From 9ada0093e92388590c7368600ca4e9e3e376f0d0 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 16:22:51 +0200 Subject: Adding upstream version 1.5.2. Signed-off-by: Daniel Baumann --- ABOUT-NLS | 1282 ++ AUTHORS | 7 + CHANGELOG | 1765 ++ COPYING | 40 + ChangeLog | 7232 +++++++ ChangeLog-CVS | 5099 +++++ Copyright | 40 + INSTALL | 368 + Make.xml.rules.in | 26 + Makefile.am | 51 + Makefile.in | 962 + NEWS | 433 + README | 63 + aclocal.m4 | 1449 ++ build-aux/compile | 348 + build-aux/config.guess | 1748 ++ build-aux/config.rpath | 690 + build-aux/config.sub | 1864 ++ build-aux/depcomp | 791 + build-aux/install-sh | 541 + build-aux/ltmain.sh | 11381 ++++++++++ build-aux/missing | 215 + build-aux/test-driver | 150 + build-aux/ylwrap | 247 + conf/Makefile.am | 6 + conf/Makefile.in | 699 + conf/install_conf | 36 + conf/md5itall | 43 + conf/pam.conf | 120 + conf/pam_conv1/Makefile.am | 19 + conf/pam_conv1/Makefile.in | 752 + conf/pam_conv1/README | 8 + conf/pam_conv1/pam_conv_l.c | 1798 ++ conf/pam_conv1/pam_conv_l.l | 47 + conf/pam_conv1/pam_conv_y.c | 1535 ++ conf/pam_conv1/pam_conv_y.h | 94 + conf/pam_conv1/pam_conv_y.y | 209 + config.h.in | 466 + configure | 23881 +++++++++++++++++++++ configure.ac | 714 + doc/Makefile.am | 23 + doc/Makefile.in | 772 + doc/adg/Linux-PAM_ADG.xml | 780 + doc/adg/Makefile.am | 113 + doc/adg/Makefile.in | 623 + doc/adg/pam_acct_mgmt.xml | 18 + doc/adg/pam_authenticate.xml | 18 + doc/adg/pam_chauthtok.xml | 18 + doc/adg/pam_close_session.xml | 18 + doc/adg/pam_conv.xml | 35 + doc/adg/pam_end.xml | 18 + doc/adg/pam_fail_delay.xml | 18 + doc/adg/pam_get_item.xml | 18 + doc/adg/pam_getenv.xml | 18 + doc/adg/pam_getenvlist.xml | 18 + doc/adg/pam_misc_conv.xml | 14 + doc/adg/pam_misc_drop_env.xml | 14 + doc/adg/pam_misc_paste_env.xml | 14 + doc/adg/pam_misc_setenv.xml | 14 + doc/adg/pam_open_session.xml | 18 + doc/adg/pam_putenv.xml | 18 + doc/adg/pam_set_item.xml | 18 + doc/adg/pam_setcred.xml | 18 + doc/adg/pam_start.xml | 18 + doc/adg/pam_strerror.xml | 18 + doc/custom-html.xsl | 18 + doc/custom-man.xsl | 9 + doc/index.html | 21 + doc/man/Makefile.am | 63 + doc/man/Makefile.in | 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mode 100644 xtests/tst-pam_unix1.c create mode 100644 xtests/tst-pam_unix1.pamd create mode 100755 xtests/tst-pam_unix1.sh create mode 100644 xtests/tst-pam_unix2.c create mode 100644 xtests/tst-pam_unix2.pamd create mode 100755 xtests/tst-pam_unix2.sh create mode 100644 xtests/tst-pam_unix3.c create mode 100644 xtests/tst-pam_unix3.pamd create mode 100755 xtests/tst-pam_unix3.sh create mode 100644 xtests/tst-pam_unix4.c create mode 100644 xtests/tst-pam_unix4.pamd create mode 100755 xtests/tst-pam_unix4.sh diff --git a/ABOUT-NLS b/ABOUT-NLS new file mode 100644 index 0000000..b1de1b6 --- /dev/null +++ b/ABOUT-NLS @@ -0,0 +1,1282 @@ +1 Notes on the Free Translation Project +*************************************** + +Free software is going international! The Free Translation Project is +a way to get maintainers of free software, translators, and users all +together, so that free software will gradually become able to speak many +languages. A few packages already provide translations for their +messages. + + If you found this `ABOUT-NLS' file inside a distribution, you may +assume that the distributed package does use GNU `gettext' internally, +itself available at your nearest GNU archive site. But you do _not_ +need to install GNU `gettext' prior to configuring, installing or using +this package with messages translated. + + Installers will find here some useful hints. These notes also +explain how users should proceed for getting the programs to use the +available translations. They tell how people wanting to contribute and +work on translations can contact the appropriate team. + +1.1 INSTALL Matters +=================== + +Some packages are "localizable" when properly installed; the programs +they contain can be made to speak your own native language. Most such +packages use GNU `gettext'. Other packages have their own ways to +internationalization, predating GNU `gettext'. + + By default, this package will be installed to allow translation of +messages. It will automatically detect whether the system already +provides the GNU `gettext' functions. Installers may use special +options at configuration time for changing the default behaviour. The +command: + + ./configure --disable-nls + +will _totally_ disable translation of messages. + + When you already have GNU `gettext' installed on your system and run +configure without an option for your new package, `configure' will +probably detect the previously built and installed `libintl' library +and will decide to use it. If not, you may have to to use the +`--with-libintl-prefix' option to tell `configure' where to look for it. + + Internationalized packages usually have many `po/LL.po' files, where +LL gives an ISO 639 two-letter code identifying the language. Unless +translations have been forbidden at `configure' time by using the +`--disable-nls' switch, all available translations are installed +together with the package. However, the environment variable `LINGUAS' +may be set, prior to configuration, to limit the installed set. +`LINGUAS' should then contain a space separated list of two-letter +codes, stating which languages are allowed. + +1.2 Using This Package +====================== + +As a user, if your language has been installed for this package, you +only have to set the `LANG' environment variable to the appropriate +`LL_CC' combination. If you happen to have the `LC_ALL' or some other +`LC_xxx' environment variables set, you should unset them before +setting `LANG', otherwise the setting of `LANG' will not have the +desired effect. Here `LL' is an ISO 639 two-letter language code, and +`CC' is an ISO 3166 two-letter country code. For example, let's +suppose that you speak German and live in Germany. At the shell +prompt, merely execute `setenv LANG de_DE' (in `csh'), +`export LANG; LANG=de_DE' (in `sh') or `export LANG=de_DE' (in `bash'). +This can be done from your `.login' or `.profile' file, once and for +all. + + You might think that the country code specification is redundant. +But in fact, some languages have dialects in different countries. For +example, `de_AT' is used for Austria, and `pt_BR' for Brazil. The +country code serves to distinguish the dialects. + + The locale naming convention of `LL_CC', with `LL' denoting the +language and `CC' denoting the country, is the one use on systems based +on GNU libc. On other systems, some variations of this scheme are +used, such as `LL' or `LL_CC.ENCODING'. You can get the list of +locales supported by your system for your language by running the +command `locale -a | grep '^LL''. + + Not all programs have translations for all languages. By default, an +English message is shown in place of a nonexistent translation. If you +understand other languages, you can set up a priority list of languages. +This is done through a different environment variable, called +`LANGUAGE'. GNU `gettext' gives preference to `LANGUAGE' over `LANG' +for the purpose of message handling, but you still need to have `LANG' +set to the primary language; this is required by other parts of the +system libraries. For example, some Swedish users who would rather +read translations in German than English for when Swedish is not +available, set `LANGUAGE' to `sv:de' while leaving `LANG' to `sv_SE'. + + Special advice for Norwegian users: The language code for Norwegian +bokma*l changed from `no' to `nb' recently (in 2003). During the +transition period, while some message catalogs for this language are +installed under `nb' and some older ones under `no', it's recommended +for Norwegian users to set `LANGUAGE' to `nb:no' so that both newer and +older translations are used. + + In the `LANGUAGE' environment variable, but not in the `LANG' +environment variable, `LL_CC' combinations can be abbreviated as `LL' +to denote the language's main dialect. For example, `de' is equivalent +to `de_DE' (German as spoken in Germany), and `pt' to `pt_PT' +(Portuguese as spoken in Portugal) in this context. + +1.3 Translating Teams +===================== + +For the Free Translation Project to be a success, we need interested +people who like their own language and write it well, and who are also +able to synergize with other translators speaking the same language. +Each translation team has its own mailing list. The up-to-date list of +teams can be found at the Free Translation Project's homepage, +`http://translationproject.org/', in the "Teams" area. + + If you'd like to volunteer to _work_ at translating messages, you +should become a member of the translating team for your own language. +The subscribing address is _not_ the same as the list itself, it has +`-request' appended. For example, speakers of Swedish can send a +message to `sv-request@li.org', having this message body: + + subscribe + + Keep in mind that team members are expected to participate +_actively_ in translations, or at solving translational difficulties, +rather than merely lurking around. If your team does not exist yet and +you want to start one, or if you are unsure about what to do or how to +get started, please write to `coordinator@translationproject.org' to +reach the coordinator for all translator teams. + + The English team is special. It works at improving and uniformizing +the terminology in use. Proven linguistic skills are praised more than +programming skills, here. + +1.4 Available Packages +====================== + +Languages are not equally supported in all packages. The following +matrix shows the current state of internationalization, as of June +2010. The matrix shows, in regard of each package, for which languages +PO files have been submitted to translation coordination, with a +translation percentage of at least 50%. + + Ready PO files af am an ar as ast az be be@latin bg bn_IN bs ca + +--------------------------------------------------+ + a2ps | [] [] | + aegis | | + ant-phone | | + anubis | | + aspell | [] [] | + bash | | + bfd | | + bibshelf | [] | + binutils | | + bison | | + bison-runtime | [] | + bluez-pin | [] [] | + bombono-dvd | | + buzztard | | + cflow | | + clisp | | + coreutils | [] [] | + cpio | | + cppi | | + cpplib | [] | + cryptsetup | | + dfarc | | + dialog | [] [] | + dico | | + diffutils | [] | + dink | | + doodle | | + e2fsprogs | [] | + enscript | [] | + exif | | + fetchmail | [] | + findutils | [] | + flex | [] | + freedink | | + gas | | + gawk | [] [] | + gcal | [] | + gcc | | + gettext-examples | [] [] [] [] | + gettext-runtime | [] [] | + gettext-tools | [] [] | + gip | [] | + gjay | | + gliv | [] | + glunarclock | [] [] | + gnubiff | | + gnucash | [] | + gnuedu | | + gnulib | | + gnunet | | + gnunet-gtk | | + gnutls | | + gold | | + gpe-aerial | | + gpe-beam | | + gpe-bluetooth | | + gpe-calendar | | + gpe-clock | [] | + gpe-conf | | + gpe-contacts | | + gpe-edit | | + gpe-filemanager | | + gpe-go | | + gpe-login | | + gpe-ownerinfo | [] | + gpe-package | | + gpe-sketchbook | | + gpe-su | [] | + gpe-taskmanager | [] | + gpe-timesheet | [] | + gpe-today | [] | + gpe-todo | | + gphoto2 | | + gprof | [] | + gpsdrive | | + gramadoir | | + grep | | + grub | [] [] | + gsasl | | + gss | | + gst-plugins-bad | [] | + gst-plugins-base | [] | + gst-plugins-good | [] | + gst-plugins-ugly | [] | + gstreamer | [] [] [] | + gtick | | + gtkam | [] | + gtkorphan | [] | + gtkspell | [] [] [] | + gutenprint | | + hello | [] | + help2man | | + hylafax | | + idutils | | + indent | [] [] | + iso_15924 | | + iso_3166 | [] [] [] [] [] [] [] | + iso_3166_2 | | + iso_4217 | | + iso_639 | [] [] [] [] | + iso_639_3 | | + jwhois | | + kbd | | + keytouch | [] | + keytouch-editor | | + keytouch-keyboa... | [] | + klavaro | [] | + latrine | | + ld | [] | + leafpad | [] [] | + libc | [] [] | + libexif | () | + libextractor | | + libgnutls | | + libgpewidget | | + libgpg-error | | + libgphoto2 | | + libgphoto2_port | | + libgsasl | | + libiconv | [] | + libidn | | + lifelines | | + liferea | [] [] | + lilypond | | + linkdr | [] | + lordsawar | | + lprng | | + lynx | [] | + m4 | | + mailfromd | | + mailutils | | + make | | + man-db | | + man-db-manpages | | + minicom | | + mkisofs | | + myserver | | + nano | [] [] | + opcodes | | + parted | | + pies | | + popt | | + psmisc | | + pspp | [] | + pwdutils | | + radius | [] | + recode | [] [] | + rosegarden | | + rpm | | + rush | | + sarg | | + screem | | + scrollkeeper | [] [] [] | + sed | [] [] | + sharutils | [] [] | + shishi | | + skencil | | + solfege | | + solfege-manual | | + soundtracker | | + sp | | + sysstat | | + tar | [] | + texinfo | | + tin | | + unicode-han-tra... | | + unicode-transla... | | + util-linux-ng | [] | + vice | | + vmm | | + vorbis-tools | | + wastesedge | | + wdiff | | + wget | [] [] | + wyslij-po | | + xchat | [] [] [] [] | + xdg-user-dirs | [] [] [] [] [] [] [] [] [] | + xkeyboard-config | [] [] | + +--------------------------------------------------+ + af am an ar as ast az be be@latin bg bn_IN bs ca + 6 0 1 2 3 19 1 10 3 28 3 1 38 + + crh cs da de el en en_GB en_ZA eo es et eu fa + +-------------------------------------------------+ + a2ps | [] [] [] [] [] [] [] | + aegis | [] [] [] | + ant-phone | [] () | + anubis | [] [] | + aspell | [] [] [] [] [] | + bash | [] [] [] | + bfd | [] | + bibshelf | [] [] [] | + binutils | [] | + bison | [] [] | + bison-runtime | [] [] [] [] | + bluez-pin | [] [] [] [] [] [] | + bombono-dvd | [] | + buzztard | [] [] [] | + cflow | [] [] | + clisp | [] [] [] [] | + coreutils | [] [] [] [] | + cpio | | + cppi | | + cpplib | [] [] [] | + cryptsetup | [] | + dfarc | [] [] [] | + dialog | [] [] [] [] [] | + dico | | + diffutils | [] [] [] [] [] [] | + dink | [] [] [] | + doodle | [] | + e2fsprogs | [] [] [] | + enscript | [] [] [] | + exif | () [] [] | + fetchmail | [] [] () [] [] [] | + findutils | [] [] [] | + flex | [] [] | + freedink | [] [] [] | + gas | [] | + gawk | [] [] [] | + gcal | [] | + gcc | [] [] | + gettext-examples | [] [] [] [] | + gettext-runtime | [] [] [] [] | + gettext-tools | [] [] [] | + gip | [] [] [] [] | + gjay | [] | + gliv | [] [] [] | + glunarclock | [] [] | + gnubiff | () | + gnucash | [] () () () () | + gnuedu | [] [] | + gnulib | [] [] | + gnunet | | + gnunet-gtk | [] | + gnutls | [] [] | + gold | [] | + gpe-aerial | [] [] [] [] | + gpe-beam | [] [] [] [] | + gpe-bluetooth | [] [] | + gpe-calendar | [] | + gpe-clock | [] [] [] [] | + gpe-conf | [] [] [] | + gpe-contacts | [] [] [] | + gpe-edit | [] [] | + gpe-filemanager | [] [] [] | + gpe-go | [] [] [] [] | + gpe-login | [] [] | + gpe-ownerinfo | [] [] [] [] | + gpe-package | [] [] [] | + gpe-sketchbook | [] [] [] [] | + gpe-su | [] [] [] [] | + gpe-taskmanager | [] [] [] [] | + gpe-timesheet | [] [] [] [] | + gpe-today | [] [] [] [] | + gpe-todo | [] [] [] | + gphoto2 | [] [] () [] [] [] | + gprof | [] [] [] | + gpsdrive | [] [] [] | + gramadoir | [] [] [] | + grep | [] | + grub | [] [] | + gsasl | [] | + gss | | + gst-plugins-bad | [] [] [] [] [] | + gst-plugins-base | [] [] [] [] [] | + gst-plugins-good | [] [] [] [] [] [] | + gst-plugins-ugly | [] [] [] [] [] [] | + gstreamer | [] [] [] [] [] | + gtick | [] () [] | + gtkam | [] [] () [] [] | + gtkorphan | [] [] [] [] | + gtkspell | [] [] [] [] [] [] [] | + gutenprint | [] [] [] | + hello | [] [] [] [] | + help2man | [] | + hylafax | [] [] | + idutils | [] [] | + indent | [] [] [] [] [] [] [] | + iso_15924 | [] () [] [] | + iso_3166 | [] [] [] [] () [] [] [] () | + iso_3166_2 | () | + iso_4217 | [] [] [] () [] [] | + iso_639 | [] [] [] [] () [] [] | + iso_639_3 | [] | + jwhois | [] | + kbd | [] [] [] [] [] | + keytouch | [] [] | + keytouch-editor | [] [] | + keytouch-keyboa... | [] | + klavaro | [] [] [] [] | + latrine | [] () | + ld | [] [] | + leafpad | [] [] [] [] [] [] | + libc | [] [] [] [] | + libexif | [] [] () | + libextractor | | + libgnutls | [] | + libgpewidget | [] [] | + libgpg-error | [] [] | + libgphoto2 | [] () | + libgphoto2_port | [] () [] | + libgsasl | | + libiconv | [] [] [] [] [] | + libidn | [] [] [] | + lifelines | [] () | + liferea | [] [] [] [] [] | + lilypond | [] [] [] | + linkdr | [] [] [] | + lordsawar | [] | + lprng | | + lynx | [] [] [] [] | + m4 | [] [] [] [] | + mailfromd | | + mailutils | [] | + make | [] [] [] | + man-db | | + man-db-manpages | | + minicom | [] [] [] [] | + mkisofs | | + myserver | | + nano | [] [] [] | + opcodes | [] [] | + parted | [] [] | + pies | | + popt | [] [] [] [] [] | + psmisc | [] [] [] | + pspp | [] | + pwdutils | [] | + radius | [] | + recode | [] [] [] [] [] [] | + rosegarden | () () () | + rpm | [] [] [] | + rush | | + sarg | | + screem | | + scrollkeeper | [] [] [] [] [] | + sed | [] [] [] [] [] [] | + sharutils | [] [] [] [] | + shishi | | + skencil | [] () [] | + solfege | [] [] [] | + solfege-manual | [] [] | + soundtracker | [] [] [] | + sp | [] | + sysstat | [] [] [] | + tar | [] [] [] [] | + texinfo | [] [] [] | + tin | [] [] | + unicode-han-tra... | | + unicode-transla... | | + util-linux-ng | [] [] [] [] | + vice | () () | + vmm | [] | + vorbis-tools | [] [] | + wastesedge | [] | + wdiff | [] [] | + wget | [] [] [] | + wyslij-po | | + xchat | [] [] [] [] [] | + xdg-user-dirs | [] [] [] [] [] [] [] [] [] | + xkeyboard-config | [] [] [] [] [] [] | + +-------------------------------------------------+ + crh cs da de el en en_GB en_ZA eo es et eu fa + 5 64 105 117 18 1 8 0 28 89 18 19 0 + + fi fr ga gl gu he hi hr hu hy id is it ja ka kn + +----------------------------------------------------+ + a2ps | [] [] [] [] | + aegis | [] [] | + ant-phone | [] [] | + anubis | [] [] [] [] | + aspell | [] [] [] [] | + bash | [] [] [] [] | + bfd | [] [] [] | + bibshelf | [] [] [] [] [] | + binutils | [] [] [] | + bison | [] [] [] [] | + bison-runtime | [] [] [] [] [] [] | + bluez-pin | [] [] [] [] [] [] [] [] | + bombono-dvd | [] | + buzztard | [] | + cflow | [] [] [] | + clisp | [] | + coreutils | [] [] [] [] [] | + cpio | [] [] [] [] | + cppi | [] [] | + cpplib | [] [] [] | + cryptsetup | [] [] [] | + dfarc | [] [] [] | + dialog | [] [] [] [] [] [] [] | + dico | | + diffutils | [] [] [] [] [] [] [] [] [] | + dink | [] | + doodle | [] [] | + e2fsprogs | [] [] | + enscript | [] [] [] [] | + exif | [] [] [] [] [] [] | + fetchmail | [] [] [] [] | + findutils | [] [] [] [] [] [] | + flex | [] [] [] | + freedink | [] [] [] | + gas | [] [] | + gawk | [] [] [] [] () [] | + gcal | [] | + gcc | [] | + gettext-examples | [] [] [] [] [] [] [] | + gettext-runtime | [] [] [] [] [] [] | + gettext-tools | [] [] [] [] | + gip | [] [] [] [] [] [] | + gjay | [] | + gliv | [] () | + glunarclock | [] [] [] [] | + gnubiff | () [] () | + gnucash | () () () () () [] | + gnuedu | [] [] | + gnulib | [] [] [] [] [] [] | + gnunet | | + gnunet-gtk | [] | + gnutls | [] [] | + gold | [] [] | + gpe-aerial | [] [] [] | + gpe-beam | [] [] [] [] | + gpe-bluetooth | [] [] [] [] | + gpe-calendar | [] [] | + gpe-clock | [] [] [] [] [] | + gpe-conf | [] [] [] [] | + gpe-contacts | [] [] [] [] | + gpe-edit | [] [] [] | + gpe-filemanager | [] [] [] [] | + gpe-go | [] [] [] [] [] | + gpe-login | [] [] [] | + gpe-ownerinfo | [] [] [] [] [] | + gpe-package | [] [] [] | + gpe-sketchbook | [] [] [] [] | + gpe-su | [] [] [] [] [] [] | + gpe-taskmanager | [] [] [] [] [] | + gpe-timesheet | [] [] [] [] [] | + gpe-today | [] [] [] [] [] [] [] | + gpe-todo | [] [] [] | + gphoto2 | [] [] [] [] [] [] | + gprof | [] [] [] [] | + gpsdrive | [] [] [] | + gramadoir | [] [] [] | + grep | [] [] | + grub | [] [] [] [] | + gsasl | [] [] [] [] [] | + gss | [] [] [] [] [] | + gst-plugins-bad | [] [] [] [] [] [] | + gst-plugins-base | [] [] [] [] [] [] | + gst-plugins-good | [] [] [] [] [] [] | + gst-plugins-ugly | [] [] [] [] [] [] | + gstreamer | [] [] [] [] [] | + gtick | [] [] [] [] [] | + gtkam | [] [] [] [] [] | + gtkorphan | [] [] [] | + gtkspell | [] [] [] [] [] [] [] [] [] | + gutenprint | [] [] [] [] | + hello | [] [] [] | + help2man | [] [] | + hylafax | [] | + idutils | [] [] [] [] [] [] | + indent | [] [] [] [] [] [] [] [] | + iso_15924 | [] () [] [] | + iso_3166 | [] () [] [] [] [] [] [] [] [] [] [] | + iso_3166_2 | () [] [] [] | + iso_4217 | [] () [] [] [] [] | + iso_639 | [] () [] [] [] [] [] [] [] | + iso_639_3 | () [] [] | + jwhois | [] [] [] [] [] | + kbd | [] [] | + keytouch | [] [] [] [] [] [] | + keytouch-editor | [] [] [] [] [] | + keytouch-keyboa... | [] [] [] [] [] | + klavaro | [] [] | + latrine | [] [] [] | + ld | [] [] [] [] | + leafpad | [] [] [] [] [] [] [] () | + libc | [] [] [] [] [] | + libexif | [] | + libextractor | | + libgnutls | [] [] | + libgpewidget | [] [] [] [] | + libgpg-error | [] [] | + libgphoto2 | [] [] [] | + libgphoto2_port | [] [] [] | + libgsasl | [] [] [] [] [] | + libiconv | [] [] [] [] [] [] | + libidn | [] [] [] [] | + lifelines | () | + liferea | [] [] [] [] | + lilypond | [] [] | + linkdr | [] [] [] [] [] | + lordsawar | | + lprng | [] | + lynx | [] [] [] [] [] | + m4 | [] [] [] [] [] [] | + mailfromd | | + mailutils | [] [] | + make | [] [] [] [] [] [] [] [] [] | + man-db | [] [] | + man-db-manpages | [] | + minicom | [] [] [] [] [] | + mkisofs | [] [] [] [] | + myserver | | + nano | [] [] [] [] [] [] | + opcodes | [] [] [] [] | + parted | [] [] [] [] | + pies | | + popt | [] [] [] [] [] [] [] [] [] | + psmisc | [] [] [] | + pspp | | + pwdutils | [] [] | + radius | [] [] | + recode | [] [] [] [] [] [] [] [] | + rosegarden | () () () () () | + rpm | [] [] | + rush | | + sarg | [] | + screem | [] [] | + scrollkeeper | [] [] [] [] | + sed | [] [] [] [] [] [] [] [] | + sharutils | [] [] [] [] [] [] [] | + shishi | [] | + skencil | [] | + solfege | [] [] [] [] | + solfege-manual | [] [] | + soundtracker | [] [] | + sp | [] () | + sysstat | [] [] [] [] [] | + tar | [] [] [] [] [] [] [] | + texinfo | [] [] [] [] | + tin | [] | + unicode-han-tra... | | + unicode-transla... | [] [] | + util-linux-ng | [] [] [] [] [] [] | + vice | () () () | + vmm | [] | + vorbis-tools | [] | + wastesedge | () () | + wdiff | [] | + wget | [] [] [] [] [] [] [] [] | + wyslij-po | [] [] [] | + xchat | [] [] [] [] [] [] [] [] [] | + xdg-user-dirs | [] [] [] [] [] [] [] [] [] [] [] [] [] | + xkeyboard-config | [] [] [] [] [] | + +----------------------------------------------------+ + fi fr ga gl gu he hi hr hu hy id is it ja ka kn + 105 121 53 20 4 8 3 5 53 2 120 5 84 67 0 4 + + ko ku ky lg lt lv mk ml mn mr ms mt nb nds ne + +-----------------------------------------------+ + a2ps | [] | + aegis | | + ant-phone | | + anubis | [] [] | + aspell | [] | + bash | | + bfd | | + bibshelf | [] [] | + binutils | | + bison | [] | + bison-runtime | [] [] [] [] [] | + bluez-pin | [] [] [] [] [] | + bombono-dvd | | + buzztard | | + cflow | | + clisp | | + coreutils | [] | + cpio | | + cppi | | + cpplib | | + cryptsetup | | + dfarc | [] | + dialog | [] [] [] [] [] | + dico | | + diffutils | [] [] | + dink | | + doodle | | + e2fsprogs | | + enscript | | + exif | [] | + fetchmail | | + findutils | | + flex | | + freedink | [] | + gas | | + gawk | | + gcal | | + gcc | | + gettext-examples | [] [] [] [] | + gettext-runtime | [] | + gettext-tools | [] | + gip | [] [] | + gjay | | + gliv | | + glunarclock | [] | + gnubiff | | + gnucash | () () () () | + gnuedu | | + gnulib | | + gnunet | | + gnunet-gtk | | + gnutls | [] | + gold | | + gpe-aerial | [] | + gpe-beam | [] | + gpe-bluetooth | [] [] | + gpe-calendar | [] | + gpe-clock | [] [] [] [] [] | + gpe-conf | [] [] | + gpe-contacts | [] [] | + gpe-edit | [] | + gpe-filemanager | [] [] | + gpe-go | [] [] [] | + gpe-login | [] | + gpe-ownerinfo | [] [] | + gpe-package | [] [] | + gpe-sketchbook | [] [] | + gpe-su | [] [] [] [] [] [] | + gpe-taskmanager | [] [] [] [] [] [] | + gpe-timesheet | [] [] | + gpe-today | [] [] [] [] | + gpe-todo | [] [] | + gphoto2 | | + gprof | [] | + gpsdrive | | + gramadoir | | + grep | | + grub | | + gsasl | | + gss | | + gst-plugins-bad | [] [] [] [] | + gst-plugins-base | [] [] | + gst-plugins-good | [] [] | + gst-plugins-ugly | [] [] [] [] [] | + gstreamer | | + gtick | | + gtkam | [] | + gtkorphan | [] [] | + gtkspell | [] [] [] [] [] [] [] | + gutenprint | | + hello | [] [] [] | + help2man | | + hylafax | | + idutils | | + indent | | + iso_15924 | [] [] | + iso_3166 | [] [] () [] [] [] [] [] | + iso_3166_2 | | + iso_4217 | [] [] | + iso_639 | [] [] | + iso_639_3 | [] | + jwhois | [] | + kbd | | + keytouch | [] | + keytouch-editor | [] | + keytouch-keyboa... | [] | + klavaro | [] | + latrine | [] | + ld | | + leafpad | [] [] [] | + libc | [] | + libexif | | + libextractor | | + libgnutls | [] | + libgpewidget | [] [] | + libgpg-error | | + libgphoto2 | | + libgphoto2_port | | + libgsasl | | + libiconv | | + libidn | | + lifelines | | + liferea | | + lilypond | | + linkdr | | + lordsawar | | + lprng | | + lynx | | + m4 | | + mailfromd | | + mailutils | | + make | [] | + man-db | | + man-db-manpages | | + minicom | [] | + mkisofs | | + myserver | | + nano | [] [] | + opcodes | | + parted | | + pies | | + popt | [] [] [] | + psmisc | | + pspp | | + pwdutils | | + radius | | + recode | | + rosegarden | | + rpm | | + rush | | + sarg | | + screem | | + scrollkeeper | [] [] | + sed | | + sharutils | | + shishi | | + skencil | | + solfege | [] | + solfege-manual | | + soundtracker | | + sp | | + sysstat | [] | + tar | [] | + texinfo | [] | + tin | | + unicode-han-tra... | | + unicode-transla... | | + util-linux-ng | | + vice | | + vmm | | + vorbis-tools | | + wastesedge | | + wdiff | | + wget | [] | + wyslij-po | | + xchat | [] [] [] | + xdg-user-dirs | [] [] [] [] [] [] [] [] | + xkeyboard-config | [] [] [] | + +-----------------------------------------------+ + ko ku ky lg lt lv mk ml mn mr ms mt nb nds ne + 20 5 10 1 13 48 4 2 2 4 24 10 20 3 1 + + nl nn or pa pl ps pt pt_BR ro ru rw sk sl sq sr + +---------------------------------------------------+ + a2ps | [] [] [] [] [] [] [] [] | + aegis | [] [] [] | + ant-phone | [] [] | + anubis | [] [] [] | + aspell | [] [] [] [] [] | + bash | [] [] | + bfd | [] | + bibshelf | [] [] | + binutils | [] [] | + bison | [] [] [] | + bison-runtime | [] [] [] [] [] [] [] | + bluez-pin | [] [] [] [] [] [] [] [] | + bombono-dvd | [] () | + buzztard | [] [] | + cflow | [] | + clisp | [] [] | + coreutils | [] [] [] [] [] [] | + cpio | [] [] [] | + cppi | [] | + cpplib | [] | + cryptsetup | [] | + dfarc | [] | + dialog | [] [] [] [] | + dico | [] | + diffutils | [] [] [] [] [] [] | + dink | () | + doodle | [] [] | + e2fsprogs | [] [] | + enscript | [] [] [] [] [] | + exif | [] [] [] () [] | + fetchmail | [] [] [] [] | + findutils | [] [] [] [] [] | + flex | [] [] [] [] [] | + freedink | [] [] | + gas | | + gawk | [] [] [] [] | + gcal | | + gcc | [] | + gettext-examples | [] [] [] [] [] [] [] [] | + gettext-runtime | [] [] [] [] [] [] [] [] [] | + gettext-tools | [] [] [] [] [] [] | + gip | [] [] [] [] [] | + gjay | | + gliv | [] [] [] [] [] [] | + glunarclock | [] [] [] [] [] | + gnubiff | [] () | + gnucash | [] () () () | + gnuedu | [] | + gnulib | [] [] [] [] | + gnunet | | + gnunet-gtk | | + gnutls | [] [] | + gold | | + gpe-aerial | [] [] [] [] [] [] [] | + gpe-beam | [] [] [] [] [] [] [] | + gpe-bluetooth | [] [] | + gpe-calendar | [] [] [] [] | + gpe-clock | [] [] [] [] [] [] [] [] | + gpe-conf | [] [] [] [] [] [] [] | + gpe-contacts | [] [] [] [] [] | + gpe-edit | [] [] [] | + gpe-filemanager | [] [] [] | + gpe-go | [] [] [] [] [] [] [] [] | + gpe-login | [] [] | + gpe-ownerinfo | [] [] [] [] [] [] [] [] | + gpe-package | [] [] | + gpe-sketchbook | [] [] [] [] [] [] [] | + gpe-su | [] [] [] [] [] [] [] [] | + gpe-taskmanager | [] [] [] [] [] [] [] [] | + gpe-timesheet | [] [] [] [] [] [] [] [] | + gpe-today | [] [] [] [] [] [] [] [] | + gpe-todo | [] [] [] [] [] | + gphoto2 | [] [] [] [] [] [] [] [] | + gprof | [] [] [] | + gpsdrive | [] [] | + gramadoir | [] [] | + grep | [] [] [] [] | + grub | [] [] [] | + gsasl | [] [] [] [] | + gss | [] [] [] | + gst-plugins-bad | [] [] [] [] [] [] | + gst-plugins-base | [] [] [] [] [] | + gst-plugins-good | [] [] [] [] [] | + gst-plugins-ugly | [] [] [] [] [] [] | + gstreamer | [] [] [] [] [] | + gtick | [] [] [] | + gtkam | [] [] [] [] [] [] | + gtkorphan | [] | + gtkspell | [] [] [] [] [] [] [] [] [] [] | + gutenprint | [] [] | + hello | [] [] [] [] | + help2man | [] [] | + hylafax | [] | + idutils | [] [] [] [] [] | + indent | [] [] [] [] [] [] [] | + iso_15924 | [] [] [] [] | + iso_3166 | [] [] [] [] [] () [] [] [] [] [] [] [] [] | + iso_3166_2 | [] [] [] | + iso_4217 | [] [] [] [] [] [] [] [] | + iso_639 | [] [] [] [] [] [] [] [] [] | + iso_639_3 | [] [] | + jwhois | [] [] [] [] | + kbd | [] [] [] | + keytouch | [] [] [] | + keytouch-editor | [] [] [] | + keytouch-keyboa... | [] [] [] | + klavaro | [] [] | + latrine | [] [] | + ld | | + leafpad | [] [] [] [] [] [] [] [] [] | + libc | [] [] [] [] | + libexif | [] [] () [] | + libextractor | | + libgnutls | [] [] | + libgpewidget | [] [] [] | + libgpg-error | [] [] | + libgphoto2 | [] [] | + libgphoto2_port | [] [] [] [] [] | + libgsasl | [] [] [] [] [] | + libiconv | [] [] [] [] [] | + libidn | [] [] | + lifelines | [] [] | + liferea | [] [] [] [] [] () () [] | + lilypond | [] | + linkdr | [] [] [] | + lordsawar | | + lprng | [] | + lynx | [] [] [] | + m4 | [] [] [] [] [] | + mailfromd | [] | + mailutils | [] | + make | [] [] [] [] | + man-db | [] [] [] | + man-db-manpages | [] [] [] | + minicom | [] [] [] [] | + mkisofs | [] [] [] | + myserver | | + nano | [] [] [] [] | + opcodes | [] [] | + parted | [] [] [] [] | + pies | [] | + popt | [] [] [] [] | + psmisc | [] [] [] | + pspp | [] [] | + pwdutils | [] | + radius | [] [] [] | + recode | [] [] [] [] [] [] [] [] | + rosegarden | () () | + rpm | [] [] [] | + rush | [] [] | + sarg | | + screem | | + scrollkeeper | [] [] [] [] [] [] [] [] | + sed | [] [] [] [] [] [] [] [] [] | + sharutils | [] [] [] [] | + shishi | [] | + skencil | [] [] | + solfege | [] [] [] [] | + solfege-manual | [] [] [] | + soundtracker | [] | + sp | | + sysstat | [] [] [] [] | + tar | [] [] [] [] | + texinfo | [] [] [] [] | + tin | [] | + unicode-han-tra... | | + unicode-transla... | | + util-linux-ng | [] [] [] [] [] | + vice | [] | + vmm | [] | + vorbis-tools | [] [] | + wastesedge | [] | + wdiff | [] [] | + wget | [] [] [] [] [] [] [] | + wyslij-po | [] [] [] | + xchat | [] [] [] [] [] [] [] [] [] | + xdg-user-dirs | [] [] [] [] [] [] [] [] [] [] [] [] [] [] | + xkeyboard-config | [] [] [] | + +---------------------------------------------------+ + nl nn or pa pl ps pt pt_BR ro ru rw sk sl sq sr + 135 10 4 7 105 1 29 62 47 91 3 54 46 9 37 + + sv sw ta te tg th tr uk vi wa zh_CN zh_HK zh_TW + +---------------------------------------------------+ + a2ps | [] [] [] [] [] | 27 + aegis | [] | 9 + ant-phone | [] [] [] [] | 9 + anubis | [] [] [] [] | 15 + aspell | [] [] [] | 20 + bash | [] [] [] | 12 + bfd | [] | 6 + bibshelf | [] [] [] | 16 + binutils | [] [] | 8 + bison | [] [] | 12 + bison-runtime | [] [] [] [] [] [] | 29 + bluez-pin | [] [] [] [] [] [] [] [] | 37 + bombono-dvd | [] | 4 + buzztard | [] | 7 + cflow | [] [] [] | 9 + clisp | | 10 + coreutils | [] [] [] [] | 22 + cpio | [] [] [] [] [] [] | 13 + cppi | [] [] | 5 + cpplib | [] [] [] [] [] [] | 14 + cryptsetup | [] [] | 7 + dfarc | [] | 9 + dialog | [] [] [] [] [] [] [] | 30 + dico | [] | 2 + diffutils | [] [] [] [] [] [] | 30 + dink | | 4 + doodle | [] [] | 7 + e2fsprogs | [] [] [] | 11 + enscript | [] [] [] [] | 17 + exif | [] [] [] | 16 + fetchmail | [] [] [] | 17 + findutils | [] [] [] [] [] | 20 + flex | [] [] [] [] | 15 + freedink | [] | 10 + gas | [] | 4 + gawk | [] [] [] [] | 18 + gcal | [] [] | 5 + gcc | [] [] [] | 7 + gettext-examples | [] [] [] [] [] [] [] | 34 + gettext-runtime | [] [] [] [] [] [] [] | 29 + gettext-tools | [] [] [] [] [] [] | 22 + gip | [] [] [] [] | 22 + gjay | [] | 3 + gliv | [] [] [] | 14 + glunarclock | [] [] [] [] [] | 19 + gnubiff | [] [] | 4 + gnucash | () [] () [] () | 10 + gnuedu | [] [] | 7 + gnulib | [] [] [] [] | 16 + gnunet | [] | 1 + gnunet-gtk | [] [] [] | 5 + gnutls | [] [] [] | 10 + gold | [] | 4 + gpe-aerial | [] [] [] | 18 + gpe-beam | [] [] [] | 19 + gpe-bluetooth | [] [] [] | 13 + gpe-calendar | [] [] [] [] | 12 + gpe-clock | [] [] [] [] [] | 28 + gpe-conf | [] [] [] [] | 20 + gpe-contacts | [] [] [] | 17 + gpe-edit | [] [] [] | 12 + gpe-filemanager | [] [] [] [] | 16 + gpe-go | [] [] [] [] [] | 25 + gpe-login | [] [] [] | 11 + gpe-ownerinfo | [] [] [] [] [] | 25 + gpe-package | [] [] [] | 13 + gpe-sketchbook | [] [] [] | 20 + gpe-su | [] [] [] [] [] | 30 + gpe-taskmanager | [] [] [] [] [] | 29 + gpe-timesheet | [] [] [] [] [] | 25 + gpe-today | [] [] [] [] [] [] | 30 + gpe-todo | [] [] [] [] | 17 + gphoto2 | [] [] [] [] [] | 24 + gprof | [] [] [] | 15 + gpsdrive | [] [] [] | 11 + gramadoir | [] [] [] | 11 + grep | [] [] [] | 10 + grub | [] [] [] | 14 + gsasl | [] [] [] [] | 14 + gss | [] [] [] | 11 + gst-plugins-bad | [] [] [] [] | 26 + gst-plugins-base | [] [] [] [] [] | 24 + gst-plugins-good | [] [] [] [] | 24 + gst-plugins-ugly | [] [] [] [] [] | 29 + gstreamer | [] [] [] [] | 22 + gtick | [] [] [] | 13 + gtkam | [] [] [] | 20 + gtkorphan | [] [] [] | 14 + gtkspell | [] [] [] [] [] [] [] [] [] | 45 + gutenprint | [] | 10 + hello | [] [] [] [] [] [] | 21 + help2man | [] [] | 7 + hylafax | [] | 5 + idutils | [] [] [] [] | 17 + indent | [] [] [] [] [] [] | 30 + iso_15924 | () [] () [] [] | 16 + iso_3166 | [] [] () [] [] () [] [] [] () | 53 + iso_3166_2 | () [] () [] | 9 + iso_4217 | [] () [] [] () [] [] | 26 + iso_639 | [] [] [] () [] () [] [] [] [] | 38 + iso_639_3 | [] () | 8 + jwhois | [] [] [] [] [] | 16 + kbd | [] [] [] [] [] | 15 + keytouch | [] [] [] | 16 + keytouch-editor | [] [] [] | 14 + keytouch-keyboa... | [] [] [] | 14 + klavaro | [] | 11 + latrine | [] [] [] | 10 + ld | [] [] [] [] | 11 + leafpad | [] [] [] [] [] [] | 33 + libc | [] [] [] [] [] | 21 + libexif | [] () | 7 + libextractor | [] | 1 + libgnutls | [] [] [] | 9 + libgpewidget | [] [] [] | 14 + libgpg-error | [] [] [] | 9 + libgphoto2 | [] [] | 8 + libgphoto2_port | [] [] [] [] | 14 + libgsasl | [] [] [] | 13 + libiconv | [] [] [] [] | 21 + libidn | () [] [] | 11 + lifelines | [] | 4 + liferea | [] [] [] | 21 + lilypond | [] | 7 + linkdr | [] [] [] [] [] | 17 + lordsawar | | 1 + lprng | [] | 3 + lynx | [] [] [] [] | 17 + m4 | [] [] [] [] | 19 + mailfromd | [] [] | 3 + mailutils | [] | 5 + make | [] [] [] [] | 21 + man-db | [] [] [] | 8 + man-db-manpages | | 4 + minicom | [] [] | 16 + mkisofs | [] [] | 9 + myserver | | 0 + nano | [] [] [] [] | 21 + opcodes | [] [] [] | 11 + parted | [] [] [] [] [] | 15 + pies | [] [] | 3 + popt | [] [] [] [] [] [] | 27 + psmisc | [] [] | 11 + pspp | | 4 + pwdutils | [] [] | 6 + radius | [] [] | 9 + recode | [] [] [] [] | 28 + rosegarden | () | 0 + rpm | [] [] [] | 11 + rush | [] [] | 4 + sarg | | 1 + screem | [] | 3 + scrollkeeper | [] [] [] [] [] | 27 + sed | [] [] [] [] [] | 30 + sharutils | [] [] [] [] [] | 22 + shishi | [] | 3 + skencil | [] [] | 7 + solfege | [] [] [] [] | 16 + solfege-manual | [] | 8 + soundtracker | [] [] [] | 9 + sp | [] | 3 + sysstat | [] [] | 15 + tar | [] [] [] [] [] [] | 23 + texinfo | [] [] [] [] [] | 17 + tin | | 4 + unicode-han-tra... | | 0 + unicode-transla... | | 2 + util-linux-ng | [] [] [] [] | 20 + vice | () () | 1 + vmm | [] | 4 + vorbis-tools | [] | 6 + wastesedge | | 2 + wdiff | [] [] | 7 + wget | [] [] [] [] [] | 26 + wyslij-po | [] [] | 8 + xchat | [] [] [] [] [] [] | 36 + xdg-user-dirs | [] [] [] [] [] [] [] [] [] [] | 63 + xkeyboard-config | [] [] [] | 22 + +---------------------------------------------------+ + 85 teams sv sw ta te tg th tr uk vi wa zh_CN zh_HK zh_TW + 178 domains 119 1 3 3 0 10 65 51 155 17 98 7 41 2618 + + Some counters in the preceding matrix are higher than the number of +visible blocks let us expect. This is because a few extra PO files are +used for implementing regional variants of languages, or language +dialects. + + For a PO file in the matrix above to be effective, the package to +which it applies should also have been internationalized and +distributed as such by its maintainer. There might be an observable +lag between the mere existence a PO file and its wide availability in a +distribution. + + If June 2010 seems to be old, you may fetch a more recent copy of +this `ABOUT-NLS' file on most GNU archive sites. The most up-to-date +matrix with full percentage details can be found at +`http://translationproject.org/extra/matrix.html'. + +1.5 Using `gettext' in new packages +=================================== + +If you are writing a freely available program and want to +internationalize it you are welcome to use GNU `gettext' in your +package. Of course you have to respect the GNU Library General Public +License which covers the use of the GNU `gettext' library. This means +in particular that even non-free programs can use `libintl' as a shared +library, whereas only free software can use `libintl' as a static +library or use modified versions of `libintl'. + + Once the sources are changed appropriately and the setup can handle +the use of `gettext' the only thing missing are the translations. The +Free Translation Project is also available for packages which are not +developed inside the GNU project. Therefore the information given above +applies also for every other Free Software Project. Contact +`coordinator@translationproject.org' to make the `.pot' files available +to the translation teams. + diff --git a/AUTHORS b/AUTHORS new file mode 100644 index 0000000..58862a6 --- /dev/null +++ b/AUTHORS @@ -0,0 +1,7 @@ +Original authors and current maintainers of Linux-PAM: + +Andrew G. Morgan +Dmitry V. Levin +Thorsten Kukuk +Sebastien Tricaud +Tomas Mraz diff --git a/CHANGELOG b/CHANGELOG new file mode 100644 index 0000000..a997c0f --- /dev/null +++ b/CHANGELOG @@ -0,0 +1,1765 @@ + +======================================================================= +======================================================================= + + This file is no longer used for tracking changes for Linux-PAM. For + user visible changes, please look at the NEWS file. A more verbose + list of changes can be found in ChangeLog. + +======================================================================= +======================================================================= + +----------------------------- + +TODO: + + - sanitize use of md5 throughout distribution.. Make a static + library for helping to develop modules that contains it and other + stuff. Also add sha-1 and ripemd-160 digest algorithms. + - once above is done. remove hacks from the secret@here module etc.. + - document PAM_INCOMPLETE changes + - verify that the PAM_INCOMPLETE interface is sensible. Can we + catch errors? should we permit item changing etc., between + pam_authenticate re-invocations? + - verify that the PAM_INCOMPLETE interface works (auth seems ok..) + - add PAM_INCOMPLETE support to modules (partially added to pam_pwdb) + - work on RFC. + - auth and acct support in pam_cracklib, "yes, I know the password + you just typed was valid, I just don't think it was very strong..." + +==================================================================== + +If you have found a bug in Linux-PAM (including a documentation bug, +or a new feature request and/or patch), please consider filing such a +bug report - outstanding bugs are listed here: + + http://sourceforge.net/tracker/?atid=106663&group_id=6663&func=browse + +(to file another bug see the 'submit bug' button on that page). + +==================================================================== + +0.81: please submit patches for this section with actual code/doc + patches! +* pam_umask: New module for setting umask from GECOS field, /etc/login.defs + or /etc/default/login (kukuk) +* configure/pam_strerror: Remove old ugly-hack option for pam_strerror + interface change (kukuk) +* configure.in: Fix AC_DEFINE usage for autoheader (kukuk) +* configure.in/_pam_aconf.h.in: Remove feature.h inclusion (kukuk) +* defs: Remove obsolete directory/content (kukuk) +* Rename _pam_aconf.h.in to config.h (kukuk) +* pam_unix: Don't ignore pam_get_item return value (kukuk) +* pam_userdb: Fix regression - crash when crypt param not specified (t8m) +* libpam: Remove pam_authenticate_secondary stub (kukuk) +* Use autoconf/automake/libtool (kukuk) +* pam_securetty: Be fail-close on user lookups, always log failures, + not just with "debug" (Solar Designer) +* Add gettext support +* Add translations for cs, de, es, fr, hu, it, ja, nb, pa, pt_BR, + pt, zh_CN and zh_TW +* pam_limits: Apply ALT Linux/Owl patch +* pam_motd: Apply ALT Linux/Owl patch +* libpam: Cache pam_get_user() failures +* libpam: Add pam_prompt,pam_vprompt,pam_error,pam_verror,pam_info + and pam_vinfo functions for use by modules as extension (kukuk). +* pam_cracklib: Make path to cracklib dicts an option (kukuk). +* libpam: Add pam_syslog function for unified syslog messages from + PAM modules (kukuk). +* pam_tally, pam_time, pam_userdb: use pam_syslog and pam_prompt (ldv) +* pam_issue: major cleanup (ldv) +* pam_echo: New PAM module for message output (kukuk) +* pam_limits: Fix regression from RLIMIT_NICE support (wrong limit + values for other limits are applied) patch by Anton Guda +* pam_unix: Always honor nis flag on password change (by Aaron Hope) +* libpam: Moved functions from pammodutil to libpam (t8m) +* pam_lastlog: Cleanup, fix broken logic in pam_parse, + modify wtmp by default, nowtmp option switches that off (ldv) + +0.80: Wed Jul 13 13:23:20 CEST 2005 +* pam_tally: test for NULL data before dereferencing them (t8m) +* pam_unix: fix regression introduced in 0.78 - both NIS and local password + should be changed if possible (t8m) +* misc_conv: flush input first then print the prompt - fixes problem + with expect scripts (t8m) +* pam_unix: nis option shouldn't clear the shadow option (t8m) +* cleanups and minor bugfixes by Steve Grubb (t8m) +* pam_private.h: set PAM_DEFAULT_PROMPT to "login: " (kukuk) +* pam_mkhomedir: Create parent directories if they do not already + exist (Bug 600351 - kukuk) +* pam_mkhomedir: Set owner/permissions of home directory after we + created all files (Bug 1032922 - kukuk) +* pam_rhosts: Get rid of static buffer for path (kukuk) +* pam_selinux/pam_unix/pam_rootok: Add SELinux support based on + patch from Red Hat (kukuk) +* pam_limits: Correct support of unlimited limits, use correct type + for rlimit value (Bug 945449 - kukuk, t8m) +* pam_xauth: Unset the XAUTHORITY variable when requesting user is + root and target user is not (t8m) +* pam_access: Add listsep option to set list element separator by + Richard Shaffer (t8m) +* pam_limits: Don't reset process priority if none is specified in + the config file (Novell #81690 - kukuk) +* Fix all occurrence of dereferencing type-punned pointer will break + strict-aliasing rules warnings (kukuk) +* pam_limits: Support new limits in linux 2.6.12 (t8m) +* pam_mkhomedir: change mode datatype (toady) +* pam_limits: Don't lowercase login names (kukuk) + +0.79: Thu Mar 31 16:48:45 CEST 2005 +* pam_tally: added audit option (toady) +* pam_unix: don't log user unknown failure when he can be properly + authenticated by another module (t8m) +* configure: don't abort if no cracklib dictinaries were found, but + warn user that pam_cracklib will not be built (kukuk) +* modules/pam_unix/support.c: Fix return value if user aborts while + changes the password (Bug 872945 - kukuk) +* modules/pam_unix/support.c: Fix return value for an unknown user + (Bug 872943 - kukuk) +* pam_limits: support for new Linux kernel 2.6 limits (from toby cabot + - t8m) +* pam_tally: major rewrite of the module (t8m) +* libpam: don't return PAM_IGNORE for OK or JUMP actions if using + cached chain (Bug 629251 - t8m) +* pam_nologin: don't overwrite return value with return from + pam_get_item (t8m) +* libpam: Add more checks for broken PAM configuration files to + avoid seg.faults (kukuk) +* pam_shells: correct README +* libpam: Fix debug code (kukuk) +* pam_limits: Fix order of LIMITS_DEF_* priorities (kukuk) +* pam_xauth: preserve DISPLAY variable (Novell #66885 - kukuk) +* libpam: Add prelude ids (http://www.prelude-ids.org) support, + as experimental. (toady) +* configure: Add the directory where new versions of cracklib is + installed (from Jim Gifford - toady) +* libpamc: Use standard u_intX_t types instead of __uX (kukuk) + +0.78: Do Nov 18 14:48:36 CET 2004 + +* pam_unix: change the order of trying password changes - local first, + NIS second (t8m) +* pam_wheel: add option only_root to make it affect authentication + to root account only +* pam_unix: test return values on renaming files and report error to + syslog and to user +* pam_unix: forced password change shouldn't trump account expiration +* pam_unix: remove the use of openlog (from debian - toady) +* pam_unix: NIS cleanup (patch from Philippe Troin) +* pam_access: you can now authenticate an explicit user on an explicit + tty (from debian - toady) +* pam_limits, pam_rhosts, pam_unix: fixed hurd portability issues + (patch from Igor Khavkine) +* pam_env: added comments in the configuration file to avoid errors + (from debian - toady) +* pam_mail: check PAM_NO_ENV to know if we can delete the environment + variable (from debian - toady) +* pam_filter: s/termio/termios/g (from debian - toady) +* pam_mkhomedir: no maxpathlen required (from debian - toady) +* pam_limits: applied patch to allow explicit limits for root + and remove limits on su. (from debian - toady) +* pam_unix: severe denial of service possible with this module since + it locked too aggressively. Bug report and testing help from Sascha + Loetz. (Bug 664290 - agmorgan) +* getlogin was spoofable: "/tmp/" and "/dev/" have the same number of + characters, so 'ln /dev/tty /tmp/tty1 ; bash < /tmp/tty1 ; logname' + attacks could potentially spoof pam_wheel with the 'trust' module + argument into granting access to a luser. Also, pam_unix gave + odd error messages in such a situation (logname != uid). This + problem was found by David Endler of iDefense.com (Bug 667584 - + agmorgan). +* added my new DSA public key to the pgp.keys.asc file. Also included + a signed copy of my new public key (1024D/D41A6DF2) made with my old + key (1024/2A398175). +* added "include" directive to config file syntax. + The whole idea is to create few "systemwide" pam configs and include + parts of them in application pam configs. + (patch by "Dmitry V. Levin" ) (Bug 812567 - baggins). +* doc/modules/pam_mkhomedir.sgml: Remove wrong debug options + (Bug 591605 - kukuk) +* pam_unix: Call password checking helper whenever the password field + contains only one character (Bug 1027903 - kukuk) +* libpam/pam_start.c: All service names should be files below /etc/pam.d + and nothing else. Forbid paths. (Bug 1027912 - kukuk) +* pam_cracklib: Fix error in distance algorithm in the 0.9 pam_cracklib + module (Bug 1010142 - toady) +* pam_userdb: applied patch from Paul Walmsley + it now indicates whether encrypted or plaintext passwords are stored + in the database needed for pam_userdb (BerliOS - toady) +* pam_group: The module should also ignore PAM_REINITIALIZE_CRED to + avoid spurious errors (from Linux distributors - kukuk) +* pam_cracklib: Clear the entire options structure (from Linux + distributors - kukuk) +* pam_issue: We write a NUL to prompt_tmp[tot_size] later, so make sure + that the destination is part of the allocated block, make do_prompt + static (from Linux distributors - kukuk) +* ldconfig: Only run full ldconfig, if we don't install into a FAKEROOT + environment, else let ldconfig only create the symlinks correct + (from Linux distributors - kukuk) +* pam_unix/pam_pwdb: Use SIG_DFL instead of SIG_IGN for SIGCHLD + (from Linux distributors - kukuk) +* Add most of Steve Grubb's resource leak and other fixes (from + Linux distributors - kukuk) +* doc/Makefile: Don't include .cvsignore files in tar ball (kukuk) +* libpam_misc/misc_conv.c: Differentiate between Ctrl-D and + (Bug 1032604 - kukuk) +* Make.Rules.in: Add targets for installing man pages for modules + (from Linux distributors - kukuk) +* Add pam_xauth module (Bug 436440 - kukuk) +* Add pam_localuser module (Bug 436444 - kukuk) +* Add pam_succeed_if module (from Linux distributors - kukuk) +* configure.in: Fix check for libcrypt (Bug 417704 - kukuk) +* Add the "broken_shadow" argument to pam_unix, for ignoring errors + reading shadow information (from Linux distributors - kukuk) +* Add patches to make PAM modules reentrant (Bug 440107 - kukuk) +* Merge patches from Red Hat (Bug 477000 and other - kukuk) +* Fix pam_rhosts option parsing (Bug 922648 - kukuk) +* Add $ISA support in config files (from Red Hat - kukuk) + +0.77: Mon Sep 23 10:25:42 PDT 2002 + +* documentation support for pdf files was not quite right - + installation was messed up. +* pam_wheel was too aggressive to grant access (in the case of the + 'deny' option you want to pay attention to 'trust'). Fix from + Nalin (Bugs 476951, 476953 - agmorgan) +* account management support for: pam_shells, pam_listfile, pam_wheel + and pam_securetty (+ static module fix for pam_nologin). Patch from + redhat through Harald Welte (Bug 436435 - agmorgan). +* pam_wheel feature from Nalin - can use the module to provide wheel + access to non-root accounts. Also from Nalin, a bugfix related to + the primary group of the applicant is the 'wheel' group. (Bugs + 476980, 476941 - agmorgan) +* pam_unix and pam_pwdb: by default turn off the SIGCHLD handler while + running the helper binary (patch from Nalin) added the "noreap" + module argument to both of these modules to turn off this new + default. Bugfix found by Silvan Minghetti for former module and + 521314 checkin. (Bugs 476963, 521314 - agmorgan). +* updated CHANGELOG and configure.in for 0.77 work. + +0.76: Mon Jul 8 21:44:59 PDT 2002 + +* pam_unix: fix for legacy crypt() support when the password entered + was long. (Bug 521314 - agmorgan). +* pam_access no longer include gethostname() prototype complaint from + David Lee (Bug 415423 - agmorgan). +* make pam_nologin more secure by default, added two new module + arguments etc. - acting on suggestion from Nico (Bug 419307 - + agmorgan) +* link in libpam to libpam_misc - since the latter uses functions in + the former it makes some sort of sense to do this (although, in the + static library case, I remain to be convinced). (Bug 565470 - + agmorgan). +* absorbed some of the proposed darwin (OS X) changes from Luke Howard + (of PADL software) - hopefully will get the rest (see Rob Braun's + 534205) by 0.77 (Bug 491466 - agmorgan). +* README fix for pam_unix from Nalin (Bug 476971 - agmorgan). +* add support for building pdf files from the documentation - request + from 'lolive' (Bug 471377 - agmorgan). +* documented the equivalent '[..]' expressions for "required" + etc. Request from Ross Patterson (Bug 529078 - agmorgan). +* '[...]' parsing: document it and also fix it to support '\]' escape + sequence. Feature request from Russell Kliese (Bug 517064 - + agmorgan). +* pam_rootok: compilation warning noted by Tony den Haan wrt no + prototype for strcmp() (Bug 557322 - agmorgan). +* documentation: (a few of mine in passing) and app documentation + suggestions regarding PAM environment variables and module + documentation changes regarding the conversation function from Jenn + Vesperman (Bug 527821, 527965 - agmorgan) +* documentation: pam_time.sgml typo fixed, pam_motd exists now, + correct Red Hat comment about config files (Bugs 554274, 554261, + 554182 - agmorgan) +* pam_limits: added '%' domain for maxlogins limiting, now '*' and @group + have the old meaning (every) and '%' the new one (all) + (Bug 533664 - baggins) +* pam_limits: put not so interesting log messages under debug arg + (Bug 533668 - baggins) +* pam_access: added the 'fieldsep=' argument (Bug 547051 - agmorgan), + made a PAM_RHOST of "" equivalent to NULL (Bug 547521 - agmorgan). +* pam_limits: keep well know behaviour of maxlogins default ('*') limit + (Bug 533664 - baggins) +* pam_unix: more from Nalin log password changes (Bug 517743 - agmorgan) +* pam_limits: make it use the priority value specified in config + (bug 530428 - baggins) +* pam_unix: removed broken code in password update code. Report from + Len Lattanzi (Bug 507379 - agmorgan) +* pam_mkhomedir: recurse directories. Patch from Nalin (Bug 476981 - + agmorgan) +* pam_limits can handle negative priority limits now (which can apply + to the superuser too) - based on patch from Nalin. Also cleanup the + error handling that was very sloppy before. Also, courtesy of Berend + De Schouwe get the math right on login counting (Bug 476990, 476987, + 493294 - agmorgan) +* documentation: random typo fixes from Nalin and more stuff from me + (Bug 476949, Tasks 43507, 17426 - agmorgan) +* A Tru64 fix (given other stuff has already resolved this, it + actually just a comment actually) from 'Eddie'. (Bug 418450 - + agmorgan) +* pam_handlers: BSD fix from Dag-Erling Smørgrav and Anton Berezin + (Bug 486063 - agmorgan) +* added the dynamic/* directory to the distribution. If you go in + there after building the rest of the tree, you'll make a pam.so + object that can be used by something like a java runtime with + dlopen. Its not very well tested - caveat emptor. (Bug 232194 - + agmorgan) +* somehow pam_unix has started forcing the user prompt to be "login: ". + This is entirely inapropriate as it overrides PAM_USER_PROMPT. (Bug + 486361 - agmorgan). +* added a static module helper library object includes a few changes + to examples/xsh.c for testing purposes (added a simple shell wrapper + for running xsh with the sandbox libraries), and also modified the + pam_rhosts_auth module to use this new library. (Bug 490938, 409852 + - agmorgan). +* pam_unix: fix 'likeauth' to kill off the memory leak once and for all. + (Bug 483959 - vorlon) +* pam_unix: restore handling of 'likeauth' argument to a known working + state; prettify AUTH_RETURN macro; remove redundant argv checks in + pam_sm_setcred() (Bugs 483959, 113596 - vorlon) +* pam_cracklib: another try at implementing similar() from Harald + Welte and Nalin (Bugs 436053, 476957 - agmorgan) +* pam_access: default access.conf file contained a type (console + instead of LOCAL) fix from Nalin (Bug 476934 - agmorgan) +* pam_unix: fixed bizarre memory leak pointed out by Fernando Trias + (Bug 483959 - agmorgan) +* misc string comparison length checking changes from Nalin. Modules + touched, pam_cracklib, pam_listfile, pam_unix, pam_wheel (Bug 476947 - + agmorgan) +* pam_userdb: require that all of typed password matches that in + database report and fix from Vladimir Pastukhov. (Bug 484252 - agmorgan) +* pam_malloc: revived malloc debugging code, now tied to + --enable-memory-debug and added strdup() support (Bug 485454 - agmorgan) +* pam_tally: Nalin's fix for lastlog corruption (Bug 476985 - agmorgan) +* pam_rhosts: Nalin adds support for '+hostname', and zdd fix + compilation warning. (Bug 476986 - agmorgan) +* pam_motd: Nalin fixed compiler warning. (Bug 476938 - agmorgan) +* pam_pwdb: Solar Designer pointed out that there was a problem with + the compatibility support for md5 password hashing. (Bug 460717, + 476961 - agmorgan) +* pam_issue: Nalin found segfaulting problems if the PAM_USER_PROMPT + is unset, found some similar problems with assumptions about + realloc. (Bug 476983 - agmorgan) +* pam_env: 'weichangyang of hotmail' pointed out a wild string with no + valid '\0' was leading to problems with sshd and suggested fix (Bug + 473034 - agmorgan) +* MANDIR cleanup. It defaults to /usr/share/man, but can be overridden + using the --enable-mandir ./configure option, similarly for DOCDIR + from Nalin (Bug 476940 - agmorgan) +* pam_filter cleanup (including moving the filter directory) Nalin + and Harald Welte (Bugs 436057, 476970 - agmorgan) +* db3 is now recognized as a libdb candidate (Bug 435764 - agmorgan) +* more changes (extracted from redhat version) courtesy of + Harald Welte (Bugs pam_limits=436061, pam_lastlog=436060, + pam_mkhomedir/pam_env=435991 - agmorgan) +* fix for legacy behavior of pam_setcred and pam_close_session in + the case that pam_authenticate and pam_open_session hadn't been + called - bug report from Seongwan Park. (Bug 468724 - agmorgan) +* some BSD updates and fixes from Mark Murray - including a slightly + more robust conversation function and some minimization of gcc + warnings. (Bugs 449203,463984 - agmorgan) +* verified that the setcred stack didn't suffer from the bug I was + nervous about, add a new module pam_debug to help me test this. + fixed a libpam/pam_dispatch.c instrumentation line that I tripped + over when testing. Also restructured pam_warn to help here (Bug + 424315 - agmorgan). +* pam_unix/support.c: sample use of reentrant NSS function. Not yet active, + because modules do not include _pam_aconf_h! (Bug 440107 - vorlon) +* doc/Makefile changes - use $(mandir) [courtesy Harald Welte] (Bug + 435760) and add some rules to make/delete the draft rfc I've been + working on (Task 17426 - agmorgan) +* pam_modules.sgml: sourceforge has changed its CVS viewing software + (Bug 460491 - agmorgan) +* pam_unix_passwd: got rid of an annoying warning (Bug 461089 - agmorgan) +* configure.in, _pam_aconf.h.in: set the stage for fully reentrant PAM + modules, with some infrastructure to detect getxxbyxx_r() functions + (Bug 440107 - vorlon) +* pam_unix: removed superfluous use of static variables in md5 and bigcrypt + routines, bringing us a step closer to thread-safeness. Eliminated + some variable indirection along the way. (Bug 440107 - vorlon) +* pam_tally: remove #include of stdlib.h, which isn't needed by anything + found in this module. Can be readded if we find a real need for it at + a later date. (Bug 436432 - vorlon) +* pam_tally: added an #include (was it really needed?) and made the + pam_tally app install (with more pretty printing and a corrected + Makefile dependency) motivated by a (red hat diff) courtesy of Harald + Welte (Bug 436432 - agmorgan) +* configure.in changes to help support non-Linux environments courtesy + of Scott T. Emery (Bug 422563 - agmorgan) +* made a pam_cracklib enhancement to interpret -ve limits in a + sensible fashion contributed by Werner Puschitz (Bug 413162 - + agmorgan) +* another fix for the latest number of rlimits available to pam_limits + (Bug 424060 - agmorgan) +* removed stale link from pam_pwdb documentation (Bug 433460 - agmorgan) +* pam_appl.sgml change - more discussion of choosing a service name + (Bug 417512 - agmorgan) +* more specific linking requirements for -lndbm for pam_userdb - from + David Lee (Bug 417339 - agmorgan) +* a large number of small changes to make AIX support better (Bug + 416229 - agmorgan) +* $(MAKE) instead of 'make' - from Scott T. Emery (Bug 422144 - + agmorgan) +* c++ header fixes for pam_misc.h and pam_client.h - from Alexandre + Sagala (Bug 420270 - agmorgan) +* pam_access fixes - looks out for trailing '.' - from Carlo Marcelo + Arenas Belon (Bug 419631 - agmorgan) +* don't zero out password strings during pam_unix's password changing + function (Bug 419803 - vorlon) +* propagate some definitions to the _pam_aconf.h file - from David Lee + (Bug 415419 - agmorgan) +* solaris GCC OS_CFLAGS change from David Lee (Bug 415412 - agmorgan) +* added a comment to this CHANGELOG to explain why most of the bugids + used below appear not to be known to sourceforge [try adding 100000 + to the bugid number.] (Bug 414943 - agmorgan) +* bumped version numbers and also added support for SONAME defines + that appear not to have survived the great autoconf experiment (Bug + 414669 - agmorgan). + +0.75: Sat Apr 7 23:10:50 PDT 2001 + + ** WARNING ** + +This release contains backwardly incompatible changes to +libpam. Prior versions were buggy - see bugfix for Bug 129775. + + ** WARNING ** + +* made 0.75 release (Bug 414665 - agmorgan) +* pam_pwdb has been removed from the suggested pam.conf template. I've + replaced it with pam_unix. (Bug 227565 - agmorgan) +* pam_limits - Richard M. Yumul reported that " -" didn't + work, first fix suggested by Werner Puschitz (Bug 404953 - agmorgan) +* Nicolay Pelov suggested a simple fix for freebsd support (Bug 407282 + - agmorgan) +* Michel D'HOOGE submitted documentation fixes (Bug 408961 - agmorgan) +* fix for module linking directions (Bug 133545 - agmorgan) +* fix for glibc-2.2.2 compilation of pam_issue (Bug 133542 - agmorgan) +* fix pam_userdb to make and link both .o files it needs - converse() + wasn't being linked! (Bug 132880 - agmorgan) +* added some sys-admin documentation for the pam_tally module (Bug + 126210 - agmorgan). +* added a link to module examples from the module writers doc (Bug + 131192 - agmorgan). +* fixed a small security hole (more of a user confusion issue) with + the unix and pwdb password helper binaries. The beef is described in + the bug report, but no uid change was possible so no-one should + think they need to issue a security bulletin over this one! (Bug + 112540 - agmorgan) +* pam_lastlog needs to be linked with -lutil, also removed ambiguity + from sysadmin guide regarding this module being a 'session' module + (Bug 131549 - agmorgan). +* pam_cracklib needs to be linked with -lcrypt (old password checking) + (Bug 131601 - agmorgan). +* fixes for static library builds and also the examples when linked + with the debugging build of the libraries. (Bug 131783 - agmorgan) +* fixed URL for original RFC to a cached kernel.org file. (Bug 131503 + - agmorgan) +* quoted the $CRACKLIB_DICTPATH test in configure.in (Bug 130130 - + agmorgan). +* improved handling of the setcred/close_session and update chauthtok + stack. *Warning* This is a backwardly incompatable change, but 'more + sane' than before. (Bug 129775 - agmorgan) +* bumped the version number, and added some code to assist in making + documentation releases (Bug 129644 - agmorgan). + +0.74: Sun Jan 21 22:36:08 PST 2001 + +* made 0.74 release (Bug 129642 - agmorgan) +* libpam - cleaned up a few non-static functions to be static and added + support for libpam to enforce things like pam_[gs]et_data() and + AUTHTOK rules for using the API. Also documented pam_[gs]et_item() + a little better including return codes (Bugs 129027, 128576 - + agmorgan). +* pam_access - fixed the non-default config file option (Bug 127561 - + agmorgan) +* pam.8 manual page clarified with respect to the default location for + finding modules, also added some text describing the [...] control + syntax. (Bug 127625 - agmorgan) +* md5.h ia64 fixes for pam_unix and pam_pwdb (Bug 127700 - agmorgan) +* removed requirement for c++ from the configure{.in,} files (Bug + 128298 - agmorgan) +* removed subdirectories from man page redirections (124396 - baggins) +* per David Lee, fixed non-POSIX shell command in modules/pam_filter/Makefile + (Bug 126440 - vorlon) +* modify format of pam_unix log messages to include service name + (Bug 126423 - vorlon) +* prevent pam_unix from logging unknown usernames (Bug 126431 - vorlon) +* changed format of pam_unix 'authentication failure' log messages to make + them clearer and more consistent (Bug 126036 - vorlon) +* improved portability of pam_unix by eliminating Linux-specific utmp + defines in PAM_getlogin() (Bug 125704 - vorlon) +* removed static variables from pam_tally (Bug 117434 - agmorgan) +* added copyright message to pam_access module from original logdaemon + sources (Bug 125022 - agmorgan) +* configure.in - removed the GCC -Wtraditional flag (Bug 124923 - agmorgan) +* pam_mail - use PAM_PATH_MAILDIR as the location of mail spool + (Bug 124397 - baggins) +* _pam_aconf.h.in, configure.in - added PAM_PATH_MAILDIR set via + --with-mailspool=dir option (default is _PAM_MAILDIR if defined + in paths.h otherwise /var/spool/mail (Bug 124397 - baggins) +* removed unnecessary CVS Log tags from all over the source + (Bug 124391 - baggins) +* pam_tally - check for PAM_TTY if PAM_RHOST is not set when writing + to faillog (Bug 124394 - baggins) +* use O_NOFOLLOW if available when opening debug log (Bug 124385 - baggins) +* pam_cracklib - removed comments about pam_unix not working with + pam_cracklib, added information about use_authtok parameter + (Bug 124388 - baggins) +* pam_userdb - fixed wrong definition of struct pam_module (was pam_wheel) + (Bug 124386 - baggins) +* fixed example/Makefile include path (Bug 124187, 127563(?) - agmorgan) +* pam_userdb compiles on RH5x. Also removed circular dependency on + configure.in. Also bumped revision number to 0.74. (Bug 124136 - + agmorgan) + +0.73: Sat Dec 2 00:04:04 PST 2000 + +* updated documentaion revisions and added 'make release' support + to the top level Makefile (Bug 124132 - agmorgan). +* documented Qmail support in pam_mail (Bug 109219 - baggins) +* add change_uid option to pam_limits, and set real uid only if + this option is present (Bug 124062 - baggins) +* pam_limits - set real uid to the user for who we set limits. + (Bug 123972 - baggins) +* removed static variables from pam_limits (thread safe now). (Bug + 117450 - agmorgan). +* removed static variable from pam_wheel (module should be thread safe + now). (Bug 112906 - agmorgan) +* added support for '/' symbols in pam_time and pam_group config files + (support for modern terminal devices). Fixed infinite loop problem + with '\\[^\n]' in these files. (Bug 116076 - agmorgan) +* avoid potential SIGPIPE when writing to helper binaries with (Bug + 123399 - agmorgan) +* replaced bogus logic in the pam_cracklib module for determining if + the replacement is too similar to the old password (Bug 115055 - + agmorgan) +* added accessconf= feature to pam_access - request from + Aldrin Martoq and Meelis Roos (Bugs 111927,117240 - agmorgan) +* fix for pam_limit module not dealing with all limits Adam J. Richter + (Bug 119554 - agmorgan) +* comment fix describing fail_delay callback in _pam_types.h (Bug + 112646 - agmorgan) +* "likeauth" fix for pam_unix and pam_pwdb which (Bug 113596 - agmorgan) +* fix for pam_unix (support.c) to avoid segfault with NULL password + (Bug 113238 - vorlon) +* fix to pam_unix_passwd: try repeatedly to get a lock on the password + file, instead of failing immediately (Bug 108845 - fix vorlon) +* fix to pam_shells: logged information was not formatted correctly + (extra comma) (Bug 111491 - fix vorlon) +* fix for C++ application support (Bug 111645 - fix agmorgan) +* fix for typo in pam_client.h (Bug 111648 - fix agmorgan) +* removal of -lpam from pam_mkhomedir Makefile (Bug 116380 - fix agmorgan) +* autoconf support [Task ID 15788, Bug ID 108297 - agmorgan with help!] + - bugfix for libpamc.h include file [Bug ID 117476 - agmorgan] + - bugfix for pam_filter.h inclusion [Bug ID 117474 - agmorgan] + +0.72: Mon Dec 13 22:41:11 PST 1999 + +* patches from Debian (Ben Collins): pam_ftp supports event driven + conversations now; pwdb_chkpwd cleanup; pam_warn static compile fix; + user_db compiler warnings removed; debian defs file; pam_mail can + now be used as a session module +* ndbm compilation option for user_db module (fix explained by Richard Khoo) +* pam_cracklib bug fix +* packaging fixes & build from scratch stuff (Konst Bulatnikov & Frodo + Looijaard) +* -ldl appended to the libpam.so compilation make rule. (Charles Seeger) +* Red Hat security patch for pam_pwdb forwarded by Debian! (Ben + Collins. Fix provided by Andrey as it caught the problem earlier in the + code.) +* heuristic to prevent leaking filedescriptors to an agent. [This needs + to be better supported perhaps by an additional libpamc API function?] +* pam_userdb segfault fix from (Ben Collins) +* PAM draft spec extras added at request of 'sen_ml' + +0.71: Sun Nov 7 20:21:19 PST 1999 + +* added -lc to linker pass for pam_nologin module (glibc is weird). +* various header changes to lower the number of warnings on glibc + systems (Dan Yefimov) +* merged a bunch of Debian fixes/patches/documentation (Ben Collins) + things touched: libpam (minor); doc/modules/pam_unix.sgml; pam_env + (plus docs); pam_mkhomedir (new module for new home directories on + the fly...); pam_motd (new module); pam_limits (adjust to match + docs); pam_issue (new module + doc) [Some of these were also + submitted by Thorsten Kukuk] +* small hack to lower the number of warnings that pam_client.h was + generating. +* debian and SuSE apparently can use the pam_ftp module, so + removed the obsolete comment about this from the docs. (Thorsten + Kukuk) + +0.70: Fri Oct 8 22:05:30 PDT 1999 + +* bug fix for parsing of value=action tokens in libpam/pam_misc.c was + segfaulting (Jan Rekorajski and independently Matthew Melvin) +* numerous fixes from Thorsten Kukuk (icluding much needed fixes for + bitrot in modules and some documentation) that got included in SuSE 6.2. +* reentrancy issues in pam_unix and pam_cracklib resolved (Jan Rekorajski) +* added hosts_equiv_rootok module option to pam_rhosts module (Tim Berger) +* added comment about 'expose_account' module argument to admin and + module writers' docs (request from Michael K Johnson). +* myriad of bug fixes for libpamc - library now built by default and + works with the biomouse fingerprint scanner agent/module + (distributed separately). + +0.69: Sun Aug 1 20:25:37 PDT 1999 + +* c++ header #ifdef'ing for pam_appl.h (Tuomo Pyhala) +* added pam_userdb module (Cristian Gafton) +* minor documentation changes +* added in revised pam_client library (libpamc). Not installed by + default yet, since the example agent/module combo is not very secure. +* glibc fixes (Thorsten Kukuk, Adam J. Richter) + +0.68: Sun Jul 4 23:04:13 PDT 1999 + +* completely new pam_unix module from Jan Rekorajski and Stephen Langasek +* Jan Rekorajski pam_mail - support for Maildir format mailboxes +* Jan Rekorajski pam_cracklib - support for old password comparison +* Jan Rekorajski bug fix for pam_pwdb setcred reusing auth retval +* Andrey's pam_tally patch (lstat -> fstat) +* Robert Milkowski's additional pam_tally patches to **change format of + /var/log/faillog** to one from shadow-utils, add new option "per_user" + for pam_tally module, failure time logging, support for fail_line + field, and support for fail_locktime field with new option + no_lock_time. +* pam_tally: clean up the tally application too. +* Marcin Korzonek added process priority settings to pam_limits (bonus + points for adding to documentation!) +* Andrey's pam_pwdb patch (cleanup + md5 endian fubar fix) +* more binary prompt preparations (make misc conv more compatible with spec) +* modified callback hook for fail delay to be more useful with event + driven applications (changed function prototype - suspect no one + will notice). Documented this in app developer guide. +* documentation for pam_access from Tim Berger +* syntax fixes for the documentation - a long time since I've built it :*( + added some more names to the CREDITS file. + +0.67: Sat Jun 19 14:01:24 PDT 1999 + +* [dropped libpam_client - libpamc will be in the next release and + conforms to the developing spec in doc/specs/draft-morgan-pam.raw. + Sorry if you are keeping a PAM tree in CVS. CVS is a pain for + directories, but this directory was actually not referenced by + anything so the disruption should be light.] +* updates to pam_tally from Tim +* multiple updates from Stephen Langasek to pam_unix +* pam_filter had some trouble compiling (bug report from Sridhar) +* pam_wheel now attempts to identify the wheel group for the local + system instead of blindly assuming it is gid=0. In the case that + there is no "wheel" group, we default to assuming gid=0 is what was + meant - former behavior. (courtesy of Sridhar) +* NIS+ changes to pam_unix module from Dmitry O Panov +* hopefully, a fix for redefinition of LOG_AUTHPRIV (bug report Luke + Kenneth Casson Leighton) +* fix for minor typo in pam_wheel documentation (Jacek Kopecky) +* slightly more explanation of the [x=y] pam.conf syntax in the sys + admin guide. + +0.66: Mon Dec 28 20:22:23 PST 1998 + +* Started using cvs to keep track of changes to Linux-PAM. This will + likely break some of the automated building stuff (RPMs etc..). +* security bug fix to pam_unix and pam_tally from Andrey. +* modules make file is now more automatic. It should be possible to + unpack an external module in the modules directory and have it automatically + added to the build process. Also added a modules/download-all script + that will make such downloading easier. I'm happy to receive patches to + this file, informing the distribution of places from which to enrich itself. +* removed pam_system_log stuff. Thought about it long and hard: a + bad idea. If libc cannot guarantee a thread safe syslog, it needs + to be fixed and compatibility with other PAM libraries was + unnecessarily strained. +* SAG documentation changes: Seth Chaiklin +* rhosts: problems with NIS lookup failures with the root-uid check. + As a work-around, I've partially eliminated the need for the lookup + by supplying two new arguments: no_uid_check, superuser=. + As a general rule this is more pluggable, since this module might be + used as an authentication scheme for a network service that does not + need root privilege... +* authenticate retval -> setcred for pam_pwdb (likeauth arg). +* pam_pwdb event driven support +* non openlog pam_listfile logging +* BUGFIX: close filedescriptor in pam_group and pam_time (Emmanuel Galanos) +* Chris Adams' mailhash change for pam_mail module +* fixed malloc failure check in pam_handlers.c (follow up to comment + by Brad M. Garcia). +* update to _pam_compat.h (Brad M. Garcia) +* support static modules in libpam again (Brad M. Garcia) +* libpam/pam_misc.c for egcs to grok the code (Brad M. Garcia) +* added a solaris-2.5.1 defs file (revived by Derrick J Brashear) +* pam_listfile logs failed attempts +* added a comment (Michael K Johnson pointed it out) about sgml2latex + having a new syntax. I'll make it the change real when I upgrade... +* a little more text to the RFC, spelling fix from William J Buffam. +* minor changes to pam_securetty to accommodate event driven support. + +0.65: Sun Apr 5 22:29:09 PDT 1998 + +* added event driven programming extensions to libpam + - added PAM_INCOMPLETE handling to libpam/pam_dispatch.c + - added PAM_CONV_AGAIN which is a new conversation response that + should be mapped to PAM_INCOMPLETE by the module. + - ensured that the pam_get_user() function can resume + - changes to pam_strerror to accommodate above return codes + - clean up _pam_former_state at pam_end() + - ensured that former state is correctly initialized + - added resumption tests to pam_authenticate(), pam_chauthtok() + - added PAM_FAIL_DELAY item for pausing on failure + +* improved _pam_macros.h so that macros can be used as single commands + (Andrey) + +* reimplemented logging to avoid bad interactions with libc. Added + new functions, pam_[,v]system_log() to libpam's API. A programmer + can check for this function's availablility by checking if + HAVE_PAM_SYSTEM_LOG is #defined. + +* removed the reduce conflict from pam_conv1 creation -- I can sleep + again now. :^] + +* made building of static and dynamic libpam separate. This is + towards making it possible to build both under Solaris (for Derrick) + +* made USE_CRACKLIB a condition in unix module (Luke Kenneth Casson Leighton) + +* automated (quiet) config installation (Andrey) + +0.64: Thu Feb 19 23:30:24 PST 1998 Andrew Morgan + +* miscellaneous patches for building under Solaris (Derrick J Brashear) + +* removed STATIC support from a number of module Makefiles. Notably, + these modules are those that use libpwdb and caused difficulties + satisfying the build process. (Please submit patches to fix this...;) + +* reomved the union for binary packet conversations from + (_pam_types.h). This is now completely implemented in libpam_client. + +* Andrey's patch for working environment variable handling in + sh_secret module. + +* made the libpam_misc conversation function a bit more flexible with + respect to binary conversations. + +* added top level define (DEBUG_REL) for compiling in the form of + a debugging release. I use this on a Red Hat 4.2 system with little + chance of crashing the system as a whole. (Andrey has another + implementation of this -- with a spec file to match..) + +0.63: Wed Jan 28 22:55:30 PST 1998 Andrew Morgan + +* added libpam_client "convention" library. This makes explicit the + use of PAM_BINARY_PROMPT. It is a first cut, so don't take it too + seriously yet. Comments/suggestions for improvements are very + welcome. Note, this library does not compile by default. It will + be enabled when it is judged stable. The library comes with two + module/agent pairs and can be used with ssh using a patch available + from my pre-release directory [where you got this file.] + +* backward compatibility patch for libpam/pam_handlers.c (PAM_IGNORE + was working with neither "requistie" nor "required") and a DEBUG'ing + compile time bug with pam_dispatch.c (Savochkin Andrey Vladimirovich) + +* minor Makefile change from (Savochkin Andrey Vladimirovich) + +* added pam_afsauth, pam_afspass, pam_restrict, and pam_syslog hooks + (Derrick J Brashear) + +* pam_access use of uname(2) problematic (security problem + highlighted by Olaf Kirch). + +* pam_listfile went a bit crazy reading group membersips (problem + highlighted by Olaf Kirch and patched independently by Cristian + Gafton and Savochkin Andrey Vladimirovich) + +* compatibility hooks for solaris and hpux (Derrick J Brashear) + +* 64 bit Linux/alpha bug fixed in pam_rhosts (Andrew D. Isaacson) + +0.62: Wed Jan 14 14:10:55 PST 1998 Andrew Morgan + +* Derrick J Brashear's patches: adds the HP stuff missed in the first + patch; adds SunOS support; adds support for the Solaris native ld + instead of requiring gnu ld. + +* last line of .rhosts file need not contain a newline. (Bug reported by + Thompson Freeman.) + +0.61: Thu Jan 8 22:57:44 PST 1998 Andrew Morgan + +* complete rewrite of the "control flag" logic. Formerly, we were + limited to four flags: requisite, required, sufficient, optional. + We can now use these keywords _and_ a great deal more besides. + The extra logic was inspired by Vipin Samar, a preliminary patch was + written by Andy Berkheimer, but I "had some ideas of my own" and + that's what I've actually included. The basic idea is to allow the + admin to custom build a control flag with a series of token=value + pairs inside square brackets. Eg., '[default=die success=ok]' which + is pretty close to a synonym for 'requisite'. I'll try to document it + better in the sys-admin guide but I'm pretty sure it is a change for + the better.... If what is in the sys-admin guide is not good enough + for you, just take a look at the source for libpam ;^) + +0.59: Thu Jan 8 22:27:22 PST 1998 Andrew Morgan + +* better handling of empty lines in .rhosts file. (Formerly, we asked + the nameserver about them!) Fix from Hugh Daschbach. + +* _broke_some_binary_compatibility_ with previous versions to become + compliant with X/Open's XSSO spec. Specifically, this has been + by changing the prototype for pam_strerror(). + +* altered the convention for the conversation mechanism to agree + with that of Sun. (number of responses 'now=' number of messages + with help from Cristian for finding a bug.. Cristian also found a + nasty speradic segfault bug -- Thanks!) + +* added NIS+ support to pam_unix_* + +* fixed a "regular file checking" problem with the ~/.rhosts sanity + check. Added "privategroup" option to permit group write permission + on the ~/.rhosts file in the case that the group owner has the same + name as the authenticating user. :*) "promiscuous" and "suppress" + were not usable! + +* added glibc compatibility to pam_rhosts_auth (protected __USE_MISC + with #ifndef since my libc already defines it!). + +* Security fix from Savochkin Andrey Vladimirovich with suggested + modification from Olaf Seibert. + +* preC contains mostly code clean-ups and a number of changes to + _pam_macros. + +0.58: whenever + +* pam_getenvlist() has a more robust definition (XSSO) than was previously + thought. It would seem that we no longer need pam_misc_copy_env() + which was there to provide the robustness that pam_getenvlist() + lacked before... + + Accordingly, I have REMOVED the prototype from libpam_misc. (The + function, however, will remain in the library as a wrapper for + legacy apps, but will likely be removed from libpam_misc-1.0.) PLEASE + FIX YOUR APPS *BEFORE* WE GET THERE! + +* Alexy Nogin reported garbage output from pam_env in the case of + a non-existent environment variable. + +* 'fixed' pwdb compilation for pam_wheel. Not very cleanly + done.. Mmmm. Should really clean up the entire source tree... + +* added prototypes for mapping functions + + <**WARNING**> + + various constants have had there names changed. Numerical values have + been retained but be aware some source old modules/applications will + need to be fixed before recompilation. + + + +* appended documentation to README for pam_rhosts module (Nicolai + Langfeldt). + +* verified X/Open compatibility of header files - note, where we differ + it is at the level of compilation warnings and the use of 'const char *' + instead of 'char *'. Previously, Sun(X/open) have revised their spec + to be more 'const'-ervative in the light of comments from Linux-PAM + development. + +* Ooops! PAM_AUTHTOKEN_REQD should have been PAM_NEW_AUTHTOK_REQD. + + changed: pam_pwdb(pam_unix_acct) (also bug fix for + _shadow_acct_mgmt_exp() return value), pam_stress, + libpam/pam_dispatch, blank, xsh. + +* New: PAM_AUTHTOK_EXPIRED - password has expired. + +* Ooops! PAM_CRED_ESTABLISH (etc.) should have been PAM_ESTABLISH_CRED + etc... (changed - this may break some people's modules - PLEASE TAKE + NOTE!) + changed: pam_group, pam_mail, blank, xsh; module and appl + docs, pam_setcred manual page. + +* renamed internal _pam_handle structure to be pam_handle as per XSSO. + +* added PAM_RADIO_TYPE (for multiple choice input method). Also + added PAM_BINARY_{MSG,PROMPT} (for interaction out of sight of user + - this could be used for RSA type authentication but is currently + just there for experimental purposes). The _BINARY_ types are now + usable with hooks in the libpam_misc conversation function. Still + have to add PAM_RADIO_TYPE. + +* added pam_access module (Alexei Nogin) + +* added documentation for pam_lastlog. Also modified the module to + not (by default) print "welcome to your new account" when it cannot + find a utmp entry for the user (you can turn this on with the + "never" argument). + +* small correction to the pam_fail_delay manual page. Either the appl or + the modules header file will prototype this function. + +* added "bigcrypt" (DEC's C2) algorithm(0) to pam_pwdb. (Andy Phillips) + +* *BSD tweaking for various #include's etc. (pam_lastlog, pam_rhosts, + pam_wheel, libpam/pam_handlers). (Michael Smith) + +* added configuration directory $SCONFIGED for module specific + configuration files. + +* added two new "linked" man pages (pam.conf(8) and pam.d(8)) + +* included a reasonable default for /etc/pam.conf (which can be + translated to /etc/pam.d/* files with the pam_conv1 binary) + +* fixed the names of the new configuration files in + conf/pam_conv1/pam_conv.y + +* fixed make check. + +* pam_lastlog fixed to handle UID in virgin part of /var/log/lastlog + (bug report from Ronald Wahl). + +* grammar fix in pam_cracklib + +* segfault avoided in pam_pwdb (getting user). Updating of passwords + that are directed to a "new" database are more robust now (bug noted + by Michael K. Johnson). Added "unix" module argument for migrating + passwords from another database to /etc/passwd. (documentation + updated). Removed "bad username []" warning for empty passwords - + on again if you supply the 'debug' module argument. + +* ctrl-D respected in conversation function (libpam_misc) + +* Removed -DPAM_FAIL_DELAY_ON from top-level Makefile. Nothing in + the distribution uses it. I guess this change happened a while + back, basically I'm trying to make the module parts of the + distribution "source compatible" with the RFC definition of PAM. + This implementation of PAM is a superset of that definition. I have + added the following symbols to the Linux-PAM header files: + + PAM_DATA_SILENT (see _pam_types.h) + HAVE_PAM_FAIL_DELAY (see _pam_types.h) + PAM_DATA_REPLACE (see _pam_modules.h) + + Any module (or application) that wants to utilize these features, + should check (#ifdef) for these tokens before using the associated + functionality. (Credit to Michael K. Johnson for pointing out my + earlier omission: not documenting this change :*) + +* first stab at making modules more independent of full library + source. Modules converted: + pam_deny + pam_permit + pam_lastlog + pam_pwdb + +* pam_env.c: #include added to ease GNU libc use. (Michael + K. Johnson) + +* pam_unix_passwd fixes to shadow aging code (Eliot Frank) + +* added README for pam_tally + +0.57: Fri Apr 4 23:00:45 PST 1997 Andrew Morgan + +* added "nodelay" argument to pam_pwdb. This can be used to turn off + the call to pam_fail_delay that takes effect when the user fails to + authenticate themself. + +* added "suppress" argument to pam_rhosts_auth module. This will stop + printing the "rlogin failure message" when the user does not have a + .rhosts file. + +* Extra fixes for FAKEROOT in Makefiles (Savochkin Andrey + Vladimirovich) + +* pam_tally added to tree courtesy of Tim Baverstock + +* pam_rhosts_auth was failing to read NFS mounted .rhosts + files. (Fixed by Peter Allgeyer). Refixed and further enhanced + (netgroups) by Nicolai Langfeldt. [Credit also to G.Wilford for some + changes that were not actually included..] + +* optional (#ifdef PAM_READ_BOTH_CONFS) support for parsing of pam.d/ + AND pam.conf files (Elliot Lee). + +* Added (and signed) Cristian's PGP key. (I've never met him, but I am + convinced the key belongs to the guy that is making the PAM rpms and + also producing libpwdb. Please note, I will not be signing anyone + else's key without a personal introduction..) + +* fixed erroneous syslog warning in pam_listfile (Savochkin Andrey + Vladimirovich, whole file reformatted by Cristian) + +* modified pam_securetty to return PAM_IGNORE in the case that the user's + name is not known to the system (was previously, PAM_USER_UNKNOWN). The + Rationale is that pam_securetty's sole purpose is to prevent superuser + login anywhere other than at the console. It is not its concern that the + user is unknown - only that they are _not_ root. Returning + PAM_IGNORE, however, insures that the pam_securetty can never be used to + "authenticate" a non-existent user. (Cristian Gafton with bug report from + Roger Hu) + +* Modified pam_nologin to display the no-login message when the user + is not known. The return value in this case is still PAM_USER_UNKNOWN. + (Bug report from Cristian Gafton) + +* Added NEED_LCKPWD for pam_unix/ This is used to define the locking + functions and should only be turned on if you don't have them in + your libc. + +* tidied up pam_lastlog and pam_pwdb: removed function that was never used. + +* Note for package maintainers: I have added $(FAKEROOT) to the list of + environment variables. This should help greatly when you build PAM + in a subdirectory. I've gone through the tree and tried to make + everything compatible with it. + +* added pam_env (courtesy of Dave Kinchlea) + +* removed pam_passwd+ from the tree. It has not been maintained in a + long time and running a shell script was basically insecure. I've + indicated where you can pick up the source if you want it. + +* #define HAVE_PAM_FAIL_DELAY . Applications can conditionally compile + with this if they want to see if the facility is available. It is + now always available. (corresponding compilation cleanups..) + +* _pam_sanitize() added to pam_misc. It purges the PAM_AUTHTOK and + PAM_OLDAUTHTOK items. (calls replaced in pam_auth and pam_password) + +* pam_rhosts now knows about the '+' entry. Since I think this is a + dangerous thing, I have required that the sysadmin supply the + "promiscuous" flag for it in the corresponding configuration file + before it will work. + +* FULL_LINUX_PAM_SOURCE_TREE exported from the top level make file. + If you want to build a module, you can test for this to determine if + it should take its directions from above or supply default locations + for installation. Etc. + +0.56: Sat Feb 15 12:21:01 PST 1997 + +* pam_handlers.c can now interpret the pam.d/ service config tree: + - if /etc/pam.d/ exists /etc/pam.conf is IGNORED + (otherwise /etc/pam.conf is treated as before) + - given /etc/pam.d/ + . config files are named (in lower case) by service-name + . config files have same syntax as /etc/pam.conf except + that the "service-name" field is not present. (there + are thus three manditory fields (and arguments are + optional): + + module-type control-flag module-path optional-args... + + ) + +* included conf/pam_conv1 for converting pam.conf to a pam.d/ version + 1.0 directory tree. This program reads a pam.conf file on the + standard input stream and creates ./pam.d/ (in the local directory) + and fills it with ./pam.d/"service-name" files. + + *> Note: It will fail if ./pam.d/ already exists. + + PLEASE REPORT ANY BUGS WITH THIS CONVERSION PROGRAM... It currently + cannot retain comments from the old conf file, so take care to do this + by hand. Also, please email me with the fix that makes the + shift/reduce conflict go away... + +* Added default module path to libpam for modules (see pam_handlers.c) + it makes use of Makfile defined symbol: DEFAULT_MODULE_PATH which is + inhereted from the defs/* variable $(SECUREDIR). Removed module + paths from the sample pam.conf file as they are no longer needed. + +* pam_pwdb can now verify read protected passwords when it is not run + by root. This is via a helper binary that is setuid root. + +* pam_permit now prompts for a username if it is not already determined + +* pam_rhosts now honors "debug" and no longer hardwire's "root" as the + superuser's name. + +* pam_securetty now honors the "debug" flag + +* trouble parsing extra spaces fixed in pam_time and pam_group + +* added Michael K. Johnson's PGP key to the pgp.keys.asc list + +* pam_end->env not being free()'d: fixed + +* manuals relocated to section 3 + +* fixed bug in pam_mail.c, and enhanced to recognize '~' as a prefix + to indicate the $HOME of the user (courtesy David + Kinchlea). *Changed* from a "session" module to an "auth" + module. It cannot be used to authenticate a user, but it can be used + in setting credentials. + +* fixed a stupid bug in pam_warn.. Only PAM_SERVICE was being read :*( + +* pam_radius rewritten to exclusively make use of libpwdb. (minor fix + to Makefile for cleaning up - AGM) + +* pam_limits extended to limit the total number of logins on a system + at any given time. + +* libpam and libpam_misc use $(MAJOR_REL) and $(MINOR_REL) to set their + version numbers [defined in top level makefile] + +* bugfix in sed command in defs/redhat.defs (AGM's fault) + +* The following was related to a possibility of buffer overruns in + the syslogging code: removed fixed length array from syslogging + function in the following modules [capitalized the log identifier + so the sysadmin can "know" these are fixed on the local system], + + pam_ftp, pam_stress, pam_rootok, pam_securetty, + pam_listfile, pam_shells, pam_warn, pam_lastlog + and + pam_unix_passwd (where it was definitely _not_ exploitable) + +0.55: Sat Jan 4 14:43:02 PST 1997, Andrew Morgan + +* added "requisite" control_flag to /etc/pam.conf syntax. [See + Sys. Admin. Guide for explanation] changes to pam_handlers.c + +* completely new handling of garbled pam.conf lines. The modus + operandi now is to assume that any errors in the line are minor. + Errors of this sort should *most definitely* lead to the module + failing, however, just ignoring the line (as was the case + previously) can lead to gaping security holes(! Not foreseen by the + RFC). The "motivation" for the RFC's comments about ignoring garbled + lines is present in spirit in the new code: basically a garbled line + is treated like an instance of the pam_deny.so module. + changes to pam_handlers.c and pam_dispatch.c . + +* patched libpam, to (a) call _pam_init_handlers from pam_start() and + (b) to log a text error if there are no modules defined for a given + service when a call to a module is requested. [pam_start() and + pam_dispatch() were changed]. + +* patched pam_securetty to deal with "/dev/" prefix on PAM_TTY item. + +* reorganized the modules/Makefile to include *ALL* modules. It is now + the responsibility of the modules themselves to test whether they can + be compiled locally or not. + +* modified pam_group to add to the getgroups() list rather than overwrite + it. [In the case of "HAVE_LIBPWDB" we use the pwdb_..() calls to + translate the group names.]. Module now pays attention to + PAM_CRED_.. flag(!) + +* identified and removed bugs in field reading code of pam_time and + (thus) pam_group. + +* Cristian's patches to pam_listfile module, corresponding change to + documentation. + +* I've discovered &ero; for sgml! + Added pam_time documentation to the admin guide. + +* added manual pages: pam.8, pam_start.2(=pam_end.2), + pam_authenticate.2, pam_setcred.2, pam_strerror.2, + pam_open_session.2(=pam_close_session.2) and pam_chauthtok.2 . + +* added new modules: + + - pam_mail (tells the user if they have any new mail + and sets their MAIL env variable) + - pam_lastlog (reports on the last time this user called + this module) + +* new module hooks provided. + +* added a timeout feature to the conversation function in + libpam_misc. Documented it in the application developers' guide. + +* fixed bug in pam_misc_paste_env() function.. + +* slight modifications to wheel and rhosts writeup. + +* more security issues added to module and application guides. + +-- +Things present but not mentioned in previous release (sorry) + +* pam_pwdb module now resets the "last_change" entry before updating a + password. +-- + +Sat Nov 30 19:30:20 PST 1996, Andrew Morgan + +* added environment handling to libpam. involved change to _pam_types.h + also added supplementary functions to libpam_misc + +* added pam_radius - Cristian + +* slight speed up for pam_rhosts + +* significantly enhanced sys-admin documentation (8 p -> 41 p in + PostScript). Added to other documentation too. Mostly the changes + in the other docs concern the new PAM-environment support, there is + also some coverage of libpam_misc in the App. Developers' guide. + +* Cristian's patches to pam_limits and pam_pwdb. Fixing bugs. (MORE added) + +* adopted Cristian's _pam_macros.h file to help with common macros and + debugging stuff, gone through tree tidying up debugging lines to use + this [not complete]. + + - for consistency replaced DROP() with _pam_drop() + +* commented memory debugging in top level makefile + +* added the following modules + + - pam_warn log information to syslog(3) about service application + - pam_ftp if user is 'ftp' then set PAM_RUSER/PAM_RHOST with password + (comment about nologin added to last release's notes) + +* modified the pam_listfile module. It now declares a meaningful static + structure name. + +Sun Nov 10 13:26:39 PST 1996, Andrew Morgan + + **PLEASE *RE*AMEND YOUR PERSONAL LINKS** + + -------> http://parc.power.net/morgan/Linux-PAM/index.html <------- + + **PLEASE *RE*AMEND YOUR PERSONAL LINKS** + +A brief summary of what has changed: + +* many modules have been modified to accomodate fixing the pam_get_user() + change. Please take note if you have a module in this distribution. + +* pam_unix is now the pam_unix that Red Hat has been using and which + should be fairly well debugged. + + - I've added some #ifdef's to make it compile for me, and also + updated it with respect to the libpam-0.53, so have a look at the + .../modules/pam_unix/Makefile to enable cracklib and shadow features + + ** BECAUSE OF THIS, I cannot guarantee this code works as it ** + ** did for Red Hat. Please test and report any problems. ** + +* the pam_unix of .52 (renamed to pam_pwdb) has been enhanced and made + more flexible with by implementing it with respect to the new + "Password Database Library" see + + http://parc.power.net/morgan/libpwdb/index.html + + modules included in this release that require this library to + function are the following: + + - pam_pwdb (ne pam_unix-0.52 + some enhancements) + - pam_wheel + - pam_limits + - pam_nologin + +* Added some optional code for memory debugging. In order to support + this you have to enable MEMORY_DEBUG in the top level makefile and + also #define MEMORY_DEBUG in your applications when they are compiled. + The extra code resides in libpam (compiled if MEMORY_DEBUG is defined) + and the macros for malloc etc. are to be found at the end of + _pam_types.h + +* used above code to locate two memory leaks in pam_unix module and two + in libpam (pam_handlers.h) + +* pam_get_user() now sets the PAM_USER item. After reading the Sun + manual page again, it was clear that it should do this. Various + modules have been assuming this and now I have modified most of them + to account for this change. Additionally, pam_get_user() is now + located in the module include file; modules are supposed to be the + ones that use it(!) [Note, this is explicitly contrary to the Sun + manual page, but in the spirit of the Linux distribution to date.] + +* replaced -D"LINUX" with -D"LINUX_PAM" as this is more explicit and less + likely to be confused with -D"linux". + Also, modified the libpam #include files to behave more like the Sun + ones #ifndef LINUX_PAM. + +* removed + +0. Before I begin, Linux-PAM has a new primary distribution site (kindly +donated by Power Net Inc., Los Angeles) + + **PLEASE AMMEND YOUR PERSONAL LINKS** + + -------> http://www.power.net/morgan/Linux-PAM <------- + + **PLEASE AMMEND YOUR PERSONAL LINKS** + +1. I'm hoping to make the next release a bug-fix release... So please find + all the bugs(! ;^) + +2. here are the changes for .52: + +* minor changes to module documentation [Incidently, it is now + available on-line from the WWW page above]. More changes to follow in + the next two releases. PLEASE EMAIL me or the list if there is + anything that isn't clear! + +* completely changed the unix module. Now a single module for all four + management groups (this meant that I could define all functions as + static that were not part of the pam_sm_... scheme. AGM) + + - Shadow support added +PASSWD - Elliot's account management included, and enhanced by Cristian Gafton. + - MD5 password support added by Cristian Gafton. + - maxtries for authentication now enforced. + - Password changing function in pam_unix now works! + Although obviously, I'm not going to *guarantee* it ;^) . + - stole Marek's locking code from the Red Hat unix module. + [ If you like you can #ifdef it in or out ... ] + + You can configure the module more from its Makefile in + 0.52/modules/pam_unix/ + + If you are nervous that it will destroy your /etc/passwd or shadow + files then EDIT the 0.52/modules/pam_unix/pam_unix_pass.-c file. + Here is the warning comment from this file... + +-------------8<----------------- +/* + * + * Uncomment the following #define if you are paranoid, and do not + * want to risk losing your /etc/passwd or shadow files. + * It works for me (AGM) but there are no guarantees. + * + * + */ +/* #define TMP__FILE */ +------------->8----------------- + + *** If anyone has any trouble, please *say*. Your problem will be + fixed in the next release. Also please feel free to scour the + code for race conditions etc... + +[* The above change requires that you purge your /usr/lib/security + directory of the old pam_unix_XXX.so modules: they will NOT be deleted + with a 'make remove'.] + +* the prototype for the cleanup function supplied to pam_set_data used + to return "int". According to Sun it should be "void". CHANGED. + +* added some definitions for the 'error_status' mask values that are + passed to the cleanup function associated with each + module-data-item. These numbers were needed to keep up with changing + a data item (see for example the code in pam_unix/support.-c that + manages the maximum number of retries so far). Will see what Sun says + (current indications are positive); this may be undone before 1.0 is + released. Here are the definitions (from pam_modules.h). + +#define PAM_DATA_SILENT 0x40000000 /* used to suppress messages... */ +#define PAM_DATA_REPLACE 0x20000000 /* used when replacing a data item */ + +* Changed the .../conf/pam.conf file. It now points to the new + pam_unix module for 'su' and 'passwd' [can get these as SimpleApps -- + I use them for testing. A more extensive selection of applications is + available from Red Hat...] + +* corrected a bug in pam_dispatch. Basically, the problem was that if + all the modules were "sufficient" then the return value for this + function was never set. The net effect was that _pam_dispatch_aux + returned success when all the sufficient modules failed. :^( I think + this is the correct fix to a problem that the Red Hat folks had + found... + +sopwith* Removed advisory locking from libpam (thanks for the POSIX patch + goes to Josh Wilmes's, my apologies for not using it in the + end.). Advisory locking did not seem sufficiently secure for libpam. + Thanks to Werner Almesberger for identifying the corresponding "denial + of service attack". :*( + +* related to fix, have introduced a lock file /var/lock/subsys/PAM + that can be used to indicate the system should pay attention to + advisory locking on /etc/pam.conf file. To implement this you need to + define PAM_LOCKING though. (see .52/libpam) + +* modified pam_fail_delay() function. Couldn't find the "not working" + problem indicated by Michael, but modified it to do pseudo-random + delays based on the values indicated by pam_fail_delay() -- the + function "that may eventually go away"... Although Sun is warming to + the idea. + +* new modules include: + + pam_shells - authentication for users with a shell listed in + /etc/shells. Erik Troan + + pam_listfile - authentication based on the contents of files. + Set to be more general than the above in the + future. UNTESTED. Elliot Lee <@redhat.com> + [Note, this module compiles with a non-trivial + warning: AGM] + +Thu Aug 8 22:32:15 PDT 1996 (Andrew Morgan ) + +* modified makefiles to take more of their installation instructions + from the top level makefile. Desired for integration into the Debian + distribution, and generally a good idea. + +* fixed memory arithmetic in pam_handlers + -- still need to track down why failure to load modules can lead to + authentication succeding.. + +* added tags for new modules (smartcards from Alex -- just a promise + at this stage) and a new module from Elliot Lee; pam_securetty + +* I have not had time to smooth out the wrinkles with it, but Alex's + pam_unix modifications are provided in pam_unix-alex (in the modules + directory) they will not be compiled by 'make all' and I can't even + say if they do compile... I will try to look at them for .52 but, in + the mean time please feel free to study/fix/discuss what is there. + +* pam_rhosts module. Removed code for manually setting the ruser + etc. This was not very secure. + +* [remade .ps docs to be in letter format -- my printer complains + about a4] + +Sunday July, 7 12:45:00 PST 1996 (Andrew Morgan ) + +* No longer accompanying the Linux-PAM release with apps installed. + [Will provide what was here in a separate package.. (soon) +lib Also see http://www.redhat.com/pam for some more (in .rpm form...)] + +* renamed libmisc to libpam_misc. It is currently configured to only compile + the static library. For some strange reason (perhaps someone can + investigate) my Linux 2.0.0 kernel with RedHat 3.0.3 system + segfaults when I compile it to be a dynamic library. The segfault + seems to be inside the call to the ** dl_XXX ** function...!? + + There is a simple flag in the libpam_misc/Makefile to turn on dynamic + compiles. + +* Added a little unofficial code for delay support in libpam (will probably + disappear later..) There is some documentation for it in the pam_modules + doc now. That will obviously go too. + +* rewritten pam_time to use *logic* to specify the stringing together of + users/times/terminals etc.. (what was there before was superficially + logical but basically un-predictable!) + +* added pam_group. Its syntax is almost identical to pam_time but it + has another field added; a list of groups to make the user a member + of if they pass the previous tests. It seems to not co-exist too well + with the groups in the /etc/group but I hope to have that fixed by + the next release... + +* minor re-formatting of pam_modules documentation + +* removed ...// since it wasn't being used and didn't look like it + would be! + +GCCSunday 23 22:35:00 PST 1996 (Andrew Morgan ) + +* The major change is the addition of a new module: pam_time for + restricting access on terminals at given times for indicated users + it comes with its own configuration file /etc/security/time.conf + and the sample file simply restricts 'you' from satisfying the blank + application if they try to use blank from any tty* + +* Small changes include +- altered pam.conf to demonstrate above new module (try typing username: you) +- very minor changes to the docs (pam_appl and pam_modules) + +Saturday June 2 01:40:00 PST 1996 (Andrew Morgan ) + +*** PLEASE READ THE README, it has changed *** + +* NOTE, 'su' exhibits a "system error", when static linking is + used. This is because the pam_unix_... module currently only has + partial static linking support. This is likely to change on Monday + June 3, when Alex makes his latest version availible. I will include + the updated module in next release. + +changes for .42: + +* modified the way in which libpam/pam_modules.h defines prototypes for + the pam_sm_ functions. Now the module must declare which functions it + is to provide *before* the #include line. + (for contrasting examples, see the pam_deny and pam_rootok modules) + This removed the ugly hack of defining functions that are never called + to overcome warnings... This seems much tidier. +insterted* updated the TODO list. (changed mailing list address) +* updated README in .../modules to reflect modifications to static + compliation protocol +* modified the pam_modules documentation to describe this. +* corrected last argument of pam_get_item( ... ) in + pam_appl/modules.sgml, to "const void **". +* altered GNU GPL's in the documentation, and various other parts of + the distribution. *Please check* that any code you are responsible for + is corrected. +* Added ./Copyright (please check that it is acceptable) +* updated ./README to make current and indicate the new mailing list + address +* have completely rewritten pam_filter. It now runs modular filter + executables (stored in /usr/sbin/pam_filter/) This should make it + trivial for others to write their own filters.. If you want yours + included in the distribution please email the list/me. +* changes to libpam; there was a silly bug with multiple arguments on a + pam.conf line that was broken with a '\'. +* 'su' rearranged code (to make better use of PAM) + *Also* now uses POSIX signals--this should help the Alpha port. +* 'passwd' now uses getlogin() to determine who's passwords to change. + +Sunday May 26 9:00:00 PST 1996 (Andrew Morgan ) + +* fixed module makefiles to create needed dynamic/static subdirectories + +Saturday May 25 20:30:27.8 PST 1996 (Andrew Morgan ) + +* LOTS has changed regarding how the modules/libpam are built. +* Michael's mostly complete changes for static support--see below + (Andrew got a little carried away and automated the static linking + of modules---bugs are likely mine ;( ) +* Thanks mostly to Michael, libpam now compiles without a single warning :^] +* made static modules/library optional. +CFLAGS* added 'make sterile' to top level makefile. This does extraclean and remove +* added Michael and Joseph to documentation credits (and a subsection for + future documentation of static module support in pam_modules.sgml) +* libpam; many changes to makefiles and also automated the inclusion of + static module objects in pam_static.c +* modified modules for automated static/dynamic support. Added static & + dynamic subdirectories, as instructed by Michael +* removed an annoying syslog message from pam_filter: "parent exited.." +* updated todo list (anyone know anything about svgalib/X? we probably should + have some support for these...) + +Friday May 24 16:30:15 EDT 1996 (Michael K. Johnson ) + +* Added first (incomplete) cut at static support. + This includes: + . changes in libpam, including a new file, pam_static.c + . changes to modules including exporting struct of function pointers + . static and dynamic linking can be combined + . right now, the only working combinations are just dynamic + linking and dynamic libpam.so with static modules linked + into libpam.so. That's on the list of things to fix... + . modules are built differently depending on whether they + are static or dynamic. Therefore, there are two directories + under each module directory, one for static, and one for + dynamic modules. +* Fixed random brokenness in the Makefiles. [ foo -nt bar ] is + rather redundant in a makefile, for instance. Also, passing + on the command line is broken because it cannot be + overridden in any way (even adding important parts) in lower-level + makefiles. +* Unfortunately, fixing some of the brokenness meant that I used + GNU-specific stuff. However, I *think* that there was GNU-specific + stuff already. And I think that we should just use the GNU + extensions, because any platform that GNU make doesn't port to + easily will be hard to port to anyway. It also won't be likely +passwd to handle autoconf, which was Ted's suggestion for getting + around limitations in standard make... + For now, I suggest that we just use some simple GNU-specific + extensions. + +Monday May 20 22:00:00 PST 1996 (Andrew Morgan ) + +* added some text to pam_modules.sgml +* corrected Marek's name in all documentation +* made pam_stress conform to chauthtok conventions -- ie can now request + old password before proceeding. +* included Alex's latest unix module +* included Al's + password strength checking module +* included pam_rootok module +* fixed too many bugs in libpam.. all subtly related to the argument lists + or use of syslog. Added more debugging lines here too. +* fixed the pam.conf file +* deleted pam_test module. It is pretty old and basically superceeded + by pam_stress + +Friday May 9 1:00:00 PST 1996 (Andrew Morgan ) + +* updated documentaion, added Al Longyear to credits and corrected the + spelling of Jeff's name(!). Most changes to pam.sgml (even added a figure!) +* new module pam_rhosts_auth (from Al Longyear) +* new apps rlogind and ftpd (a patch) from Al. +* modified 'passwd' to not call pam_authenticate (note, none of the + modules respect this convention yet!) +* fixed bug in libpam that caused trouble if the last line of a + pam.conf file ends with a module name and no newline character +* also made more compatable with documentation, in that bad lines in + pam.conf are now ignored rather than causing libpam to return an + error to the app. +* libpam now overwrites the AUTHTOKs when returning from + pam_authenticate and pam_chauthtok calls (as per Sun/RFC too) +* libpam is now installed as libpam.so.XXX in a way that ldconfig can + handle! + + +Wednesday May 1 22:00:00 PST 1996 (Andrew Morgan ) + +* removed .../test directory, use .../examples from now on. +* added .../apps directory for fully functional applications + - the apps directory contains directories that actually contain the apps. + the idea is to make application compilation conditional on the presence + of the directory. Note, there are entries in the Makefile for + 'login' and 'ftpd' that are ready for installation... Email me if + you want to reserve a directory name for an application you are + working on... +* similar changes to .../modules makefile [entries for pam_skey and + pam_kerberos created---awaiting the directories.] Email me if you + want to register another module... +* minor changes to docs.. Not really worth reprinting them quite yet! + [save the trees] +* added misc_conv to libmisc. it is a generic conversation function + for text based applications. [would be nice to see someone create + an Xlib and/or svgalib version] +* fixed ctrl-z/c bug with pam_filter module [try xsh with the default + pam.conf file] +* added 'required' argument to 'pam_stress' module. +* added a TODO list... other suggestions to the list please. + +Saturday April 7 00:00:00 PST 1996 ( Andrew Morgan ) + +* Alex and Marek please note I have altered _pam_auth_unix a little, to + make it get the passwords with the "proper method" (and also fixed it + to not have as many compiler warnings) +* updated the conf/pam.conf file +* added new example application examples/xsh.c (like blank but invokes + /bin/sh) +* Marc's patches for examples/blank.c (and AGM's too) +* fixed stacking of modules in libpam/pam_handlers.c +* fixed RESETing in libpam/pam_item.c +* added new module modules/pam_filter/ to demonstrate the possibility + of inserting an arbitrary filter between the terminal and the + application that could do customized logging etc... (see use of + bin/xsh as defined in conf/pam.conf) + + +Saturday March 16 19:00:00 PST 1996 ( Andrew Morgan ) + +These notes are for 0.3 I don't think I've left anything important +out, but I will use emacs 'C-x v a' next time! (Thanks Jeff) + + * not much has changed with the functionality of the Linux-PAM lib + .../libpam + - pam_password calls module twice with different arguments + - added const to some of the function arguments + - added PAM_MAX_MES_ to + - was a lot over zealous about purging old passwords... + I have removed much of this from source to make it + more compatible with SUN. + - moved some PAM_... tokens to pam_modules.h from _pam_types.h + (no-one should notice) + + * added three modules: pam_permit pam_deny pam_stress + no prizes for guessing what the first two do. The third is + a reasonably complete (functional) module. Is intended for testing + applications with. + + * fixed a few pieces of examples/blank.c so that it works (with + pam_stress) + + * ammended the documentation. Looking better, but suggestions/comments + very welcome! + +Sunday March 10 10:50:00 PST 1996 ( Andrew Morgan ) + +These notes are for Linux-PAM release 0.21. They cover what's changed +since I relased 0.2. + + * am now using RCS + * substantially changed ./README + * fixed bug reading \\\n in pam.conf file + * small changes to documentation + * added `blank' application to ./examples (could be viewed as + a `Linux-PAM aware' application template.) + * oops. now including pam_passwd.o and pam_session.o in pamlib.so + * compute md5 checksums for all the source when making a release + - added `make check' and `make RCScheck' to compute md5 checksums + * create a second tar file with all the RCS files in. + * removed the .html and .txt docs, supplying sgml sources instead. + - see README for info on where to get .ps files + +Thursday March 6 0:44:?? PST 1996 ( Andrew Morgan ) + +These notes are for Linux-PAM release 0.2. They cover what's changed +since Marc Ewing relased 0.1. + +**** Please note. All of the directories in this release have been modified +**** slightly to conform to the new pamlib. A couple of new directories have +**** been added. As well as some documentation. If some of your code +**** was in the previous release. Feel free to update it, but please +**** try to conform to the new headers and Makefiles. + +* Andrew Morgan (morgan@physics.ucla.edu) is making this release + availible, Marc has been busy...! + +* Marc's pam-0.1/lib has been (quietly) enhanced and integrated into + Alex Yurie's collected tree of library and module code + (linux-pam.prop.1.tar.gz). Most of the changes are to do with error + checking. Some more robustness in the reading of the pam.conf file + and the addition of the pam_get_user() function. + +* The pam_*.h files have been reorganized to logically enforce the + separation of modules from applications. [Don't panic! Apart from + changing references of the form + + #include "pam_appl.h" + + to + + #include + + The reorganization should be backwardly compatable (ie. a module + written for SUN will be as compatable as it was before with the + previous version ;)~ ] + + (All of the source in this tree now conforms to this scheme...) + + The new reorganization means that modules can be compiled with a + single header, , and applications with + . + +* I have tried to remove all the compiler warnings from the updated + "pamlib/*.c" files. On my system, (with a slightly modified + email me if it interests you..) there are only two warnings that + remain: they are that ansi does not permit void --> fn ptr + assignment. K&Rv2 doesn't mention this....? As a matter of principle, + if anyone knows how to get rid of that warning... please + tell. Thanks! "-pedantic" + +* you can "make all" as a plain user, but + +* to "make install" you must be root. The include files are placed in + /usr/include/security. The libpam.so library is installed in /usr/lib + and the modules in /usr/lib/security. The two test binaries + are installed in the Linux-PAM-0.2/bin directory and a chance is given to + replace your /etc/pam.conf file with the one in Linux-PAM-0.2/conf. + +* I have included some documentation (pretty preliminary at the +moment) which I have been working on in .../doc . + +I have had a little trouble with the modules, but atleast there are no +segfaults! Please try it out and discuss your results... I actually +hope it all works for you. But, Email any bugs/suggestions to the +Linux-PAM list: linux-pam@mit.edu ..... + +Regards, + +Andrew Morgan +(morgan@physics.ucla.edu) + + +Sat Feb 17 17:30:24 EST 1996 (Alexander O. Yuriev alex@bach.cis.temple.edu) + + * conf directory created with example of pam_conf + * stable code from pam_unix is added to modules/pam_unix + * test/test.c now requests username and password and attempts + to perform authentication diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..12ff8c5 --- /dev/null +++ b/COPYING @@ -0,0 +1,40 @@ +Unless otherwise *explicitly* stated the following text describes the +licensed conditions under which the contents of this Linux-PAM release +may be distributed: + +------------------------------------------------------------------------- +Redistribution and use in source and binary forms of Linux-PAM, with +or without modification, are permitted provided that the following +conditions are met: + +1. Redistributions of source code must retain any existing copyright + notice, and this entire permission notice in its entirety, + including the disclaimer of warranties. + +2. Redistributions in binary form must reproduce all prior and current + copyright notices, this list of conditions, and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + +3. The name of any author may not be used to endorse or promote + products derived from this software without their specific prior + written permission. + +ALTERNATIVELY, this product may be distributed under the terms of the +GNU General Public License, in which case the provisions of the GNU +GPL are required INSTEAD OF the above restrictions. (This clause is +necessary due to a potential conflict between the GNU GPL and the +restrictions contained in a BSD-style copyright.) + +THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED +WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, +INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR +TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE +USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH +DAMAGE. +------------------------------------------------------------------------- diff --git a/ChangeLog b/ChangeLog new file mode 100644 index 0000000..df5f174 --- /dev/null +++ b/ChangeLog @@ -0,0 +1,7232 @@ +2021-09-03 Dmitry V. Levin + + Fix a typo found using codespell tool. + * modules/pam_pwhistory/pam_pwhistory.c: Replace "crypted password" with + "hashed password" in comment. + * modules/pam_unix/passverify.c (create_password_hash): Rename "crypted" + local variable to "hashed". + +2021-08-30 Fabrice Fontaine + + configure.ac: also search libcrypt through pkg-config. + libxcrypt provides a libcrypt.pc file so use it if available as this + will allow to retrieve the library path (e.g. + -L/home/buildroot/output/host//riscv64-buildroot-linux-musl/sysroot/usr/lib) + which is useful when cross-compiling and will avoid the following build + failure on buildroot: + + /home/buildroot/autobuild/run/instance-3/output-1/host/opt/ext-toolchain/bin/../lib/gcc/riscv64-buildroot-linux-musl/10.2.0/../../../../riscv64-buildroot-linux-musl/bin/ld: .libs/passverify.o: in function `.L30': + passverify.c:(.text+0x368): undefined reference to `crypt_checksalt' + + Fixes: + - http://autobuild.buildroot.org/results/20b14e222b35c2d1269960075832b784ba81aa1a + +2021-08-19 Dmitry V. Levin + + pam_unix: workaround the problem caused by libnss_systemd. + The getspnam(3) manual page says that errno shall be set to EACCES when + the caller does not have permission to access the shadow password file. + Unfortunately, this contract is broken when libnss_systemd is used in + the nss stack. + + Workaround this problem by falling back to the helper invocation when + pam_modutil_getspnam returns NULL regardless of errno. As pam_unix + already behaves this way when selinux is enabled, it should be OK + for the case when selinux is not enabled, too. + + * modules/pam_unix/passverify.c (get_account_info): When + pam_modutil_getspnam returns NULL, unconditionally fall back + to the helper invocation. + + Complements: f220cace2053 ("Permit unix_chkpwd & pam_unix.so to run without being setuid-root") + Resolves: https://github.com/linux-pam/linux-pam/issues/379 + +2021-08-18 Jérôme Fenal + + po: update translations using Weblate (French) + Currently translated at 100.0% (100 of 100 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/fr/ + +2021-08-02 panchenbo + + po/zh_CN.po: fix pam_lastlog translation errors. + Closes: https://github.com/linux-pam/linux-pam/issues/383 + +2021-07-24 simmon + + po: update translations using Weblate (Korean) + Currently translated at 100.0% (100 of 100 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ko/ + +2021-07-22 Dmitry V. Levin + + po: update translations using Weblate (Swedish) + Currently translated at 100.0% (100 of 100 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/sv/ + +2021-07-22 Dmitry V. Levin + + po: update translations using Weblate (Portuguese (Brazil)) + Currently translated at 100.0% (100 of 100 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/pt_BR/ + +2021-07-22 Dmitry V. Levin + + po: update translations using Weblate (Portuguese (Brazil)) + Currently translated at 100.0% (100 of 100 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/pt/ + +2021-07-22 Dmitry V. Levin + + po: update translations using Weblate (Dutch) + Currently translated at 100.0% (100 of 100 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/nl/ + +2021-07-22 Dmitry V. Levin + + po: update translations using Weblate (Italian) + Currently translated at 100.0% (100 of 100 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/it/ + +2021-07-22 Dmitry V. Levin + + po: update translations using Weblate (Hebrew) + Currently translated at 100.0% (100 of 100 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/he/ + +2021-07-22 Dmitry V. Levin + + po: update translations using Weblate (Finnish) + Currently translated at 100.0% (100 of 100 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/fi/ + +2021-07-22 Dmitry V. Levin + + po: update translations using Weblate (Danish) + Currently translated at 100.0% (100 of 100 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/da/ + +2021-07-22 Dmitry V. Levin + + po: update translations using Weblate (Catalan) + Currently translated at 100.0% (100 of 100 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ca/ + +2021-07-22 Yuri Chornoivan + + po: update translations using Weblate (Ukrainian) + Currently translated at 100.0% (100 of 100 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/uk/ + +2021-07-22 OÄŸuz Ersen + + po: update translations using Weblate (Turkish) + Currently translated at 100.0% (100 of 100 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/tr/ + +2021-07-21 Piotr DrÄ…g + + po: update translations using Weblate (Polish) + Currently translated at 100.0% (100 of 100 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/pl/ + +2021-07-21 Dmitry V. Levin + + po: update translations using Weblate (German) + Currently translated at 100.0% (100 of 100 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/de/ + +2021-07-21 Dmitry V. Levin + + po: update translations using Weblate (Russian) + Currently translated at 100.0% (100 of 100 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ru/ + +2021-07-21 Seong-ho Cho + + po: update translations using Weblate (Korean) + Currently translated at 100.0% (99 of 99 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ko/ + +2021-07-20 Dmitry V. Levin + + po: update .pot and .po files. + Regenerate po/Linux-PAM.pot and po/*.po using "make -C po update-po" + command. + + Prepare for 1.5.2 release. + * configure.ac (AC_INIT): Raise version to 1.5.2. + * NEWS: Update. + + pam_faillock: remove confusing comment. + * modules/pam_faillock/pam_faillock.c (faillock_message): Remove the + comment that meant to help translators but actually confused xgettext. + +2021-07-09 Iker Pedrosa + + pam_filter: Close file after controlling tty. + Failing to check the descriptor value meant that there was a bug in the + attempt to close the controlling tty. Moreover, this would lead to a + file descriptor leak as pointed out by the static analyzer tool: + + Error: RESOURCE_LEAK (CWE-772): [#def26] + Linux-PAM-1.5.1/modules/pam_filter/pam_filter.c:356: open_fn: Returning handle opened by "open". [Note: The source code implementation of the function has been overridden by a user model.] + Linux-PAM-1.5.1/modules/pam_filter/pam_filter.c:356: var_assign: Assigning: "t" = handle returned from "open("/dev/tty", 2)". + Linux-PAM-1.5.1/modules/pam_filter/pam_filter.c:357: off_by_one: Testing whether handle "t" is strictly greater than zero is suspicious. "t" leaks when it is zero. + Linux-PAM-1.5.1/modules/pam_filter/pam_filter.c:357: remediation: Did you intend to include equality with zero? + Linux-PAM-1.5.1/modules/pam_filter/pam_filter.c:367: leaked_handle: Handle variable "t" going out of scope leaks the handle. + 365| pam_syslog(pamh, LOG_ERR, + 366| "child cannot become new session: %m"); + 367|-> return PAM_ABORT; + 368| } + 369| + +2021-06-29 Andrew G. Morgan + + Permit unix_chkpwd & pam_unix.so to run without being setuid-root. + Remove the hard-coding of the idea that the only way pam_unix.so can + read the shadow file is if it can, in some way, run setuid-root. + Linux capabilities only require cap_dac_override to read the /etc/shadow + file. + + This change achieves two things: it opens a path for a linux-pam + application to run without being setuid-root; further, it allows + unix_chkpwd to run non-setuid-root if it is installed: + + sudo setcap cap_dac_override=ep unix_chkpwd + + If we wanted to link against libcap, we could install this binary with + cap_dac_override=p, and use cap_set_proc() to raise the effective bit + at runtime. However, some distributions already link unix_chkpwd + against libcap-ng for some, likely spurious, reason so "ep" is fine + for now. + +2021-06-15 Fabrice Fontaine + + configure.ac: fix build with libxcrypt and uclibc-ng. + Fix the following build failure with libxcrypt and uclibc-ng: + + ld: unix_chkpwd-passverify.o: in function `verify_pwd_hash': + passverify.c:(.text+0xab4): undefined reference to `crypt_checksalt' + + Fixes: + - http://autobuild.buildroot.org/results/65d68b7c9c7de1c7cb0f941ff9982f93a49a56f8 + +2021-06-14 Mathieu Trossevin + + Add pkgconfig files for provided libraries. + * .gitignore: Add .pc files as they are generated by autoconf. + * configure.ac: Generate .pc files for libpam, libpam_misc and libpamc. + * libpam/Makefile.am: Install pam.pc. + * libpam/pam.pc.in: New file. + * libpam_misc/Makefile.am: Install pam_misc.pc + * libpam_misc/pam_misc.pc.in: New file. + * libpamc/Makefile.am: Install pamc.pc + + This allow applications and PAM modules to automatically find libpam, + libpam_misc and libpamc if they are installed instead of having to + manually search for them. + +2021-06-14 Björn Esser + + Remove support for legacy xcrypt. + Since many distributions are shipping a version of libxcrypt >= 4.0.0 + as a replacement for glibc's libcrypt now, older versions of xcrypt, + which could be installed in parallel, are not relevant anymore. + + * configure.ac (AC_CHECK_HEADERS): Remove xcrypt.h. + (AC_SEARCH_LIBS): Remove xcrypt. + (AC_CHECK_FUNCS): Remove crypt_gensalt_r. + (AC_DEFINE): Remove HAVE_LIBXCRYPT. + * modules/pam_pwhistory/opasswd.c [HAVE_LIBXCRYPT]: Remove. + * modules/pam_unix/bigcrypt.c [HAVE_LIBXCRYPT]: Likewise. + * modules/pam_userdb/pam_userdb.c [HAVE_LIBXCRYPT]: Likewise. + * modules/pam_unix/passverify.c [HAVE_LIBXCRYPT]: Likewise. + (create_password_hash) [HAVE_LIBXCRYPT]: Likewise. + +2021-06-14 Jeff Squyres + + pam_misc: set default length of misc_conv() buffer to 4096. + + pam_misc: make length of misc_conv() configurable. + Add --with-misc-conv-bufsize= option to configure to allow + a longer buffer size for libpam_misc's misc_conv() function (it still + defaults to 512 bytes). + +2021-06-14 Iker Pedrosa + + pam_timestamp: replace hmac implementation. + sha1 is no longer recommended as a cryptographic algorithm for + authentication. Thus, the idea of this change is to replace the + implementation provided by hmacsha1 included in pam_timestamp module by + the one in the openssl library. This way, there's no need to maintain + the cryptographic algorithm implementation and it can be easily changed + with a single configuration change. + + modules/pam_timestamp/hmac_openssl_wrapper.c: implement wrapper + functions around openssl's hmac implementation. Moreover, manage the key + generation and its read and write in a file. Include an option to + configure the cryptographic algorithm in login.defs file. + modules/pam_timestamp/hmac_openssl_wrapper.h: likewise. + modules/pam_timestamp/pam_timestamp.c: replace calls to functions + provided by hmacsha1 by functions provided by openssl's wrapper. + configure.ac: include openssl dependecy if it is enabled. + modules/pam_timestamp/Makefile.am: include new files and openssl library + to compilation. + ci/install-dependencies.sh: include openssl library to dependencies. + NEWS: add new item to next release. + Make.xml.rules.in: add stringparam profiling for hmac + doc/custom-man.xsl: change import docbook to one with profiling + modules/pam_timestamp/pam_timestamp.8.xml: add conditional paragraph to + indicate the value in /etc/login.defs that holds the value for the + encryption algorithm + + Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1947294 + +2021-06-13 Dmitry V. Levin + + .github: add gcc-11, clang-12, and clang-11 jobs. + * .github/workflows/ci.yml (gcc11-x86_64, gcc11-x86, gcc11-x32, + clang12-x86_64, clang11-x86_64): New jobs. + +2021-06-13 Dmitry V. Levin + + tests: fix -Wmaybe-uninitialized warnings. + Fix the following class of compilation warnings reported by gcc 11: + + tst-pam_end.c: In function ‘main’: + tst-pam_end.c:55:12: error: ‘conv’ may be used uninitialized [-Werror=maybe-uninitialized] + 55 | retval = pam_start (service, user, &conv, &pamh); + | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + In file included from tst-pam_end.c:41: + ../libpam/include/security/pam_appl.h:23:1: note: by argument 3 of type ‘const struct pam_conv *’ to ‘pam_start’ declared here + 23 | pam_start(const char *service_name, const char *user, + | ^~~~~~~~~ + tst-pam_end.c:49:19: note: ‘conv’ declared here + 49 | struct pam_conv conv; + | ^~~~ + + * tests/tst-pam_end.c (main): Initialize conv variable. + * tests/tst-pam_fail_delay.c: Likewise. + * tests/tst-pam_get_item.c: Likewise. + * tests/tst-pam_getenvlist.c: Likewise. + * tests/tst-pam_set_data.c: Likewise. + * tests/tst-pam_set_item.c: Likewise. + * tests/tst-pam_start.c: Likewise. + * tests/tst-pam_start_confdir.c: Likewise. + +2021-06-10 Dmitry V. Levin + + pam_unix: do not use crypt_checksalt when checking for password expiration + According to Zack Weinberg, the intended meaning of + CRYPT_SALT_METHOD_LEGACY is "passwd(1) should not use this hashing + method", it is not supposed to mean "force a password change on next + login for any user with an existing stored hash using this method". + + This reverts commit 4da9febc39b955892a30686e8396785b96bb8ba5. + + * modules/pam_unix/passverify.c (check_shadow_expiry) + [CRYPT_CHECKSALT_AVAILABLE]: Remove. + + Closes: https://github.com/linux-pam/linux-pam/issues/367 + +2021-06-10 Patrick Schleizer + + pam_exec: implement quiet_log option. + * modules/pam_exec/pam_exec.c (call_exec): Implement quiet_log option. + * modules/pam_exec/pam_exec.8.xml: Document it. + + Resolves: https://github.com/linux-pam/linux-pam/issues/334 + +2021-05-24 Jeff Squyres + + pam.conf: clarify default action for unspecified return codes. + Add short blurbs explaining that if a return code is not specified in + the "[value1=action1 value2=action2 ...]" form and "default=action" is + not specified, that return code's action defaults to "bad". + +2021-05-01 Hasan + + man: fix spelling bug in pam_end.3.xml. + * doc/man/pam_end.3.xml: Fix repeated words. + +2021-04-25 simmon + + po: update translations using Weblate (Korean) + Currently translated at 100.0% (99 of 99 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ko/ + +2021-04-25 Emilio Herrera + + po: update translations using Weblate (Spanish) + Currently translated at 81.8% (81 of 99 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/es/ + +2021-04-22 Josef Moellers + + pam_limits: "Unlimited" is not a valid value for RLIMIT_NOFILE. + Replace it with a value obtained from /proc/sys/fs/nr_open + + * modules/pam_limits/limits.conf.5.xml: Document the replacement. + * modules/pam_limits/pam_limits.c: Replace unlimited RLIMIT_NOFILE + value with a value obtained from /proc/sys/fs/nr_open + +2021-04-21 Stanislav Zidek + + pam_userdb: Prevent garbage characters from db. + Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1791965 + +2021-04-12 Tomas Mraz + + misc_conv: Flush the terminal input after the password is read. + Fixes #347 + + * libpam_misc/misc_conv.c (read_string): Use TCSAFLUSH instead + of TCSADRAIN when resetting the terminal echo state + +2021-04-12 Tomas Mraz + + pam_access: clean up the remote host matching code. + * modules/pam_access/pam_access.c (from_match): Split out remote_match() + function and avoid calling it when matching against LOCAL keyword. + There is also no point in doing domain match against TTY or SERVICE. + +2021-03-25 chuanqin + + pam_faillock: convert spaces to tab to keep code style. + convert spaces to tab which mixture use in modules/pam_faillock/main.c + +2021-03-08 theslimshaney <33791263+theslimshaney@users.noreply.github.com> + + pam_env: fix example in pam_env.conf.5 for setting variable. + +2021-03-05 dshein-alt <76520100+dshein-alt@users.noreply.github.com> + + pam_mkhomedir: use HOME_MODE or UMASK from /etc/login.defs. + Follow the example of useradd(8) and set the user home directory mode + to the value of HOME_MODE or UMASK configuration item from + /etc/login.defs when umask option is not specified. + +2021-02-13 Ricky Tigg + Ricky Tigg + + po: update translations using Weblate (Finnish) + Currently translated at 100.0% (99 of 99 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/fi/ + +2021-02-13 Balázs Meskó + Balázs Meskó + + po: update translations using Weblate (Hungarian) + Currently translated at 77.7% (77 of 99 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/hu/ + +2021-02-13 Carmen Bianca Bakker + Carmen Bianca Bakker + + po: update translations using Weblate (Esperanto) + Currently translated at 43.4% (43 of 99 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/eo/ + +2021-02-13 Weblate + Weblate + + Update translation files. + Updated by "Update PO files to match POT (msgmerge)" hook in Weblate. + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ + Translation: linux-pam/master + +2021-01-27 Changqing Li + + configure.ac: add --with-systemdunitdir option. + * Add this option to support the following scenario: + prefix = '/usr' + servicedir = '/lib/systemd/system' + + * The default behavior is changed: + If this option is not given, servicedir will be set to the value that is + obtained from systemd pkg-config file. If the value cannot be obtained, + servicedir will be set to the default value '$(prefix)/lib/systemd/system'. + +2021-01-27 Changqing Li + + faillock: create tallydir before creating tallyfile. + The default tallydir is "/var/run/faillock", and this default + tallydir may not exist. + + Function open may fail as tallydir does not exist when creating + the tallyfile. Therefore, faillock will not work well. + + Fix this problem by creating tallydir before creating tallyfile + when the tallydir does not exist. + +2021-01-27 Ludwig Nussel + + pam_securetty: don't complain about missing config. + Not shipping a config file should be perfectly valid for distros while + still having eg login pre-configured to honor securetty when present. + PAM itself doesn't ship any template either. So avoid spamming the log + file if /etc/securetty wasn't found. + +2021-01-25 Kolja + + faillock: Use pluralization via dngettext or fallback. + +2021-01-18 Andreas-Johann Ø Ulvestad + Andreas-Johann Ø Ulvestad + + po: update translations using Weblate (Norwegian Nynorsk) + Currently translated at 100.0% (99 of 99 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/nn/ + +2021-01-18 Jan Kuparinen + Jan Kuparinen + + po: update translations using Weblate (Finnish) + Currently translated at 100.0% (99 of 99 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/fi/ + +2020-12-28 Dmitry V. Levin + + pam_umask: fix handling of umask parameter. + Potential failures of strdup(3) were ignored, fix this by not using + strdup(3) at all. + + * modules/pam_umask/pam_umask.c (struct options_t): Add const to umask + field, add login_umask field. + (parse_option): Do not use strdup. + (get_options): Assign pam_modutil_search_key return values + to options->login_umask. + (pam_sm_open_session): Free options.login_umask instead of + options.umask. + +2020-12-28 Sven Hartge + + pam_setquota: Minor whitespace, spelling and mail address fixes. + +2020-12-26 Vlad + Vlad + + po: update translations using Weblate (Romanian) + Currently translated at 100.0% (99 of 99 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ro/ + +2020-12-23 Dmitry V. Levin + + pam_mkhomedir: fix umask wording in documentation. + * modules/pam_mkhomedir/pam_mkhomedir.8.xml (umask): Fix wording. + +2020-12-20 Dmitry V. Levin + + po: update translations using Weblate (Bulgarian) + Currently translated at 100.0% (122 of 122 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/bg/ + +2020-12-17 Issam E. Maghni + + configure: test -a|o is not POSIX. + Fixes `test: too many arguments` when building Linux-PAM using sbase. + This is due to a non-POSIX syntax test ... -a ... and test ... -o .... + + > The XSI extensions specifying the -a and -o binary primaries and the + > '(' and ')' operators have been marked obsolescent. + + See https://pubs.opengroup.org/onlinepubs/9699919799/utilities/test.html + +2020-12-08 Christian Göttsche + + pam_namespace: check for string_to_security_class failure. + Check for the unlikely case string_to_security_class() does not find the + associated SELinux security class. + This will only happen if the loaded SELinux policy does not define the + class "dir" (which no sane policy does) or querying the selinuxfs + fails. + + Suggested by #309 + +2020-12-08 Christian Göttsche + + pam_selinux: check for string_to_security_class failure. + Check for the unlikely case string_to_security_class() does not find the + associated SELinux security class. + This will only happen if the loaded SELinux policy does not define the + class "chr_file" (which no sane policy does) or querying the selinuxfs + fails. + + Suggested by #309 + +2020-12-07 Tomas Mraz + + Clarify the effect of 'done' in documentation. + The done action does not terminate the stack processing in case + there is a failing module with bad action up in the stack. + + Fixes #307 + + * doc/man/pam.conf-syntax.xml: Clarify the effect of 'done'. + +2020-11-28 Dmitry V. Levin + + .github: partially migrate from ubuntu-18.04 to ubuntu-20.04. + * .github/workflows/ci.yml (runs-on): Switch from ubuntu-latest to + ubuntu-20.04 for whitespace-errors and *-x86_64 jobs. Stick with + ubuntu-18.04 for *-x86 and *-x32 jobs until we figure out how to + obtain -lcrypt on ubuntu-20.04 for these architectures. + +2020-11-28 Dmitry V. Levin + + ci: do not install libxcrypt-dev. + Apparently, both -lcrypt and -lxcrypt from ubuntu-18.04 already provide + crypt_r. + + * ci/install-dependencies.sh (packages): Remove libxcrypt-dev. + +2020-11-24 Thomas M. DuBuisson + + pam_unix: fix memory leak on error path. + * modules/pam_unix/bigcrypt.c (bigcrypt) [HAVE_CRYPT_R]: Do not leak + cdata if crypt_r() fails. + +2020-11-24 Dmitry V. Levin + + maint: update release procedure. + * maint/README-release: Update. + +2020-11-24 Dmitry V. Levin + + po: update .po and .pot files. + Regenerate po/Linux-PAM.pot and po/*.po using "make -C po update-po" + command. This removes translations of pam_cracklib, pam_tally, and + pam_tally2 modules that were removed in v1.5.0. + + Complements: v1.5.0~10 "Remove deprecated pam_cracklib module" + Complements: v1.5.0~9 "Remove deprecated pam_tally and pam_tally2 modules" + +2020-11-24 Dmitry V. Levin + + po: cleanup POTFILES.in. + * po/POTFILES.in: Strip "./" prefix, sort the list. + +2020-11-24 Jan Kuparinen + Jan Kuparinen + + po: update translations using Weblate (Finnish) + Currently translated at 100.0% (122 of 122 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/fi/ + +2020-11-24 Dmitry V. Levin + + Prepare for 1.5.1 release. + * configure.ac (AC_INIT): Raise version to 1.5.1. + + Fix various typos found using codespell tool. + * modules/pam_limits/limits.conf: Replace "overriden" with "overridden". + * modules/pam_mkhomedir/mkhomedir_helper.c (create_homedir): Replace + "preseves" with "preserves". + * modules/pam_setquota/pam_setquota.8.xml: Replace "specifed" with + "specified". + * modules/pam_setquota/pam_setquota.c (pam_sm_open_session): Replace + "fileystem" with "filesystem", "conditons" with "conditions". + + Fix grammar: replace "an user" with "a user" everywhere. + * NEWS: Replace "an user" with "a user". + * modules/pam_faillock/pam_faillock.8.xml: Likewise. + * modules/pam_lastlog/pam_lastlog.8.xml: Likewise. + * modules/pam_limits/pam_limits.c: Likewise. + * modules/pam_sepermit/sepermit.conf: Likewise. + * modules/pam_tty_audit/pam_tty_audit.8.xml: Likewise. + * modules/pam_userdb/pam_userdb.c: Likewise. + +2020-11-24 Tomas Mraz + + pam_wheel: Use pam_modutil_user_in_group_uid_gid instead of reimplementation + The pam_modutil_user_in_group... functions use getgrouplist to check + the membership so they work also in setups with remote services which do + not provide group members in struct group. + + Fixes #297 + + * modules/pam_wheel/pam_wheel.c (perform_check): Call pam_modutil_user_in_group_uid_gid + to do the group check. + +2020-11-24 Tomas Mraz + + Add NEWS entries for the 1.5.1 security fix release. + +2020-11-20 Tomas Mraz + + Second blank check with root for non-existent users must never return 1. + The commit af0faf66 ("pam_unix: avoid determining if user exists") introduced + a regression where the blank check could return 1 if root had an empty + password hash because in the second case the password hash of root was + used. We now always return 0 in this case. + + The issue was found by Johannes Löthberg. + + Fixes #284 + + * modules/pam_unix/support.c (_unix_blankpasswd): Make the loop + to cover the complete blank check so both existing and non existing + cases are identical except for the possible return value. + +2020-11-12 Tavian Barnes + + faillock: Add a nodelay option. + Fixes #295 + +2020-11-10 Allison Karlitskaya + + libpam: add supplementary groups on priv drop. + Replace the setgroups(0, NULL) call in pam_modutil_drop_priv() with a + call to initgroups(). This makes sure that the user's supplementary + groups are also configured. Fall back to setgroups(0, NULL) in case the + initgroups() call fails. + + This fixes the permission check in pam_motd: this feature was intended + to allow setting permissions on a motd file to prevent it from being + shown to users who are not a member of a particular group (for example, + wheel). + + Closes #292 + +2020-11-05 Tomas Mraz + + pam_env: deprecation notice of reading the user environment. + * modules/pam_env/pam_env.8.xml: Add the notice to the manual. + * modules/pam_env/pam_env.c (_pam_parse): Log deprecation warning + if user_readenv is set. + +2020-11-04 Andreas Schneider + + libpam: Fix memory leak on error path in _pam_start_internal() + +2020-11-04 Andreas Schneider + + libpam: Fix memory leak with pam_start_confdir() + Found with AddressSanitzer in pam_wrapper tests. + + ==985738== 44 bytes in 4 blocks are definitely lost in loss record 18 of 18 + ==985738== at 0x4839809: malloc (vg_replace_malloc.c:307) + ==985738== by 0x48957E1: _pam_strdup (pam_misc.c:129) + ==985738== by 0x489851B: _pam_start_internal (pam_start.c:85) + ==985738== by 0x4849C8C: libpam_pam_start_confdir (pam_wrapper.c:418) + ==985738== by 0x484AF94: pwrap_pam_start (pam_wrapper.c:1461) + ==985738== by 0x484AFEE: pam_start (pam_wrapper.c:1483) + ==985738== by 0x401723: setup_noconv (test_pam_wrapper.c:189) + ==985738== by 0x4889E82: ??? (in /usr/lib64/libcmocka.so.0.7.0) + ==985738== by 0x488A444: _cmocka_run_group_tests (in /usr/lib64/libcmocka.so.0.7.0) + ==985738== by 0x403EE5: main (test_pam_wrapper.c:1059) + +2020-11-04 Tomas Mraz + + pam_env: allow environment files without EOL at EOF. + Fixes #263 + + * modules/pam_env/pam_env.c (_assemble_line): Do not error out if at feof() + +2020-11-03 Dmitry V. Levin + + Prepare for 1.5.0 release. + * configure.ac (AC_INIT): Raise version to 1.5.0. + * NEWS: Update. + +2020-11-03 ikerexxe + + pam_ftp: fix potential memory leak. + modules/pam_ftp/pam_ftp.c: free anon_user before returning as it may be + still in use. + + pam_faillock: fix unread store statement. + modules/pam_faillock/main.c: remove store statement since the value is + only read in the enclosing expression. + + pam_dispatch: fix unread store statement. + libpam/pam_dispatch: remove store statement since the value is never + read. + +2020-10-29 Dmitry V. Levin + + Remove deprecated pam_tally and pam_tally2 modules. + * ci/run-build-and-tests.sh (DISTCHECK_CONFIGURE_FLAGS): Remove + --enable-tally --enable-tally2. + * configure.ac: Remove --enable-tally and --enable-tally2 options. + (AM_CONDITIONAL): Remove COND_BUILD_PAM_TALLY and COND_BUILD_PAM_TALLY2. + (AC_CONFIG_FILES): Remove modules/pam_tally/Makefile and + modules/pam_tally2/Makefile. + * doc/sag/pam_tally.xml: Remove. + * doc/sag/pam_tally2.xml: Likewise. + * doc/sag/Linux-PAM_SAG.xml: Do not include pam_tally.xml and + pam_tally2.xml. + * modules/Makefile.am (MAYBE_PAM_TALLY, MAYBE_PAM_TALLY2): Remove. + (SUBDIRS): Remove MAYBE_PAM_TALLY and MAYBE_PAM_TALLY2. + * modules/pam_tally/.gitignore: Remove. + * modules/pam_tally/Makefile.am: Likewise. + * modules/pam_tally/README.xml: Likewise. + * modules/pam_tally/faillog.h: Likewise. + * modules/pam_tally/pam_tally.8.xml: Likewise. + * modules/pam_tally/pam_tally.c: Likewise. + * modules/pam_tally/pam_tally_app.c: Likewise. + * modules/pam_tally/tst-pam_tally: Likewise. + * modules/pam_tally2/.gitignore: Likewise. + * modules/pam_tally2/Makefile.am: Likewise. + * modules/pam_tally2/README.xml: Likewise. + * modules/pam_tally2/pam_tally2.8.xml: Likewise. + * modules/pam_tally2/pam_tally2.c: Likewise. + * modules/pam_tally2/pam_tally2_app.c: Likewise. + * modules/pam_tally2/tallylog.h: Likewise. + * modules/pam_tally2/tst-pam_tally2: Likewise. + * modules/pam_timestamp/pam_timestamp_check.8.xml: Fix typo by replacing + pam_tally with pam_timestamp. + * po/POTFILES.in: Remove ./modules/pam_tally/pam_tally_app.c, + ./modules/pam_tally/pam_tally.c, ./modules/pam_tally2/pam_tally2_app.c, + and ./modules/pam_tally2/pam_tally2.c. + * NEWS: Document this change. + + Remove deprecated pam_cracklib module. + * ci/install-dependencies.sh: Remove libcrack2-dev. + * ci/run-build-and-tests.sh (DISTCHECK_CONFIGURE_FLAGS): Remove + --enable-cracklib=check. + * conf/pam.conf: Remove references to pam_cracklib.so. + * configure.ac: Remove --enable-cracklib option. + (AC_SUBST): Remove LIBCRACK. + (AM_CONDITIONAL): Remove COND_BUILD_PAM_CRACKLIB. + (AC_CONFIG_FILES): Remove modules/pam_cracklib/Makefile. + * doc/sag/pam_cracklib.xml: Remove. + * doc/sag/Linux-PAM_SAG.xml: Do not include pam_cracklib.xml. + * modules/Makefile.am (MAYBE_PAM_CRACKLIB): Remove. + (SUBDIRS): Remove MAYBE_PAM_CRACKLIB. + * modules/pam_cracklib/Makefile.am: Remove. + * modules/pam_cracklib/README.xml: Likewise. + * modules/pam_cracklib/pam_cracklib.8.xml: Likewise. + * modules/pam_cracklib/pam_cracklib.c: Likewise. + * modules/pam_cracklib/tst-pam_cracklib: Likewise. + * xtests/tst-pam_cracklib1.c: Likewise. + * xtests/tst-pam_cracklib1.pamd: Likewise. + * xtests/tst-pam_cracklib2.c: Likewise. + * xtests/tst-pam_cracklib2.pamd: Likewise. + * modules/pam_pwhistory/pam_pwhistory.8.xml: Replace pam_cracklib + in examples with pam_passwdqc. + * modules/pam_unix/pam_unix.8.xml: Likewise. + * po/POTFILES.in: Remove ./modules/pam_cracklib/pam_cracklib.c. + * xtests/.gitignore: Remove tst-pam_cracklib1 and tst-pam_cracklib2. + * xtests/Makefile.am (EXTRA_DIST): Remove tst-pam_cracklib1.pamd + and tst-pam_cracklib2.pamd. + (XTESTS): Remove tst-pam_cracklib1 and tst-pam_cracklib2. + * NEWS: Document this change. + +2020-10-27 DDoSolitary + + pam_env: fix a typo in doc of pam_env.conf. + +2020-10-25 Christian Göttsche + + Add missing format function attributes and enable -Wmissing-format-attribute + Exported functions already have these attributes, add them to other functions. + This enables compilers to find format specifier mismatches, like: + + foo_print("Hello %d", "world") + + * m4/warn_lang_flags.m4 (gl_WARN_ADD): Add -Wmissing-format-attribute. + * conf/pam_conv1/Makefile.am (AM_CFLAGS): Add -I$(top_srcdir)/libpam/include. + * conf/pam_conv1/pam_conv_y.y: Include . + (yyerror): Add printf format attribute. + * modules/pam_pwhistory/opasswd.c (helper_log_err): Likewise. + * modules/pam_rootok/pam_rootok.c (log_callback): Likewise. + * modules/pam_tally/pam_tally.c (tally_log): Likewise. + * modules/pam_tally2/pam_tally2.c (tally_log): Likewise. + * modules/pam_unix/passverify.c (helper_log_err): Likewise. + +2020-10-21 Milo Casagrande + Milo Casagrande + + po: update translations using Weblate (Italian) + Currently translated at 100.0% (122 of 122 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/it/ + +2020-10-21 Yaron Shahrabani + Yaron Shahrabani + + po: update translations using Weblate (Hebrew) + Currently translated at 100.0% (122 of 122 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/he/ + +2020-10-21 ikerexxe + + pam_motd: unset prompt value to drop privileges. + modules/pam_motd/pam_motd.c: set NULL value instead of "key user" for the + prompt when dropping privileges. + +2020-10-20 Tomas Mraz + + pam_modutil_sanitize_fds: Add explicit casts to avoid warnings. + + Revert "libpam/pam_modutil_sanitize.c: optimize the way to close fds" + This reverts commit 1b087edc7f05237bf5eccc405704cd82b848e761. + +2020-10-14 ikerexxe + + pam_motd: document file filtering. + modules/pam_motd/pam_motd.8.xml: document file filtering of motd + messages. + NEWS: annotate change. + +2020-10-14 ikerexxe + + pam_motd: filter motd by user and group. + modules/pam_motd/pam_motd.c: filter motd by user and group owning the + proper files. This is achieved by changing the ids of the process + reading the files from root to the target user. + + Resolves: + https://bugzilla.redhat.com/show_bug.cgi?id=1861640 + +2020-10-13 Mikhail Labiuk + + pam_faillock: fix invalid error message. + args_parse function pass "conf=" argument to set_conf_opt() after handling by self. + set_conf_opt is not able to handle "conf" argument and write error: + sddm-helper[415]: pam_faillock(sddm:auth): Unknown option: conf + +2020-10-05 ikerexxe + + pam_namespace: polyinstantiation refer to gdm doc. + modules/pam_namespace/pam_namespace.8.xml: delete obsolete information + about polyinstantiation and refer to gdm's documentation. + + Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1861841 + +2020-09-30 Anton D. Kachalov + + Prevent SEGFAULT for unknown UID. + When running systemd service with DynamicUser being set, the dynamic UID + might be not mapped to user name (/etc/nsswitch.conf is not configured + with systemd nss module). + + The getuidname() routine might return NULL and this is not checked by callee. + +2020-09-10 ikerexxe + + pam_wheel: clarify use_uid option in man page. + modules/pam_wheel/pam_wheel.8.xml: indicate that use_uid option uses the + real uid of the calling process. + +2020-09-10 ikerexxe + + pam_wheel: if getlogin fails fallback to PAM_RUSER. + modules/pam_wheel/pam_wheel.c: if getlogin fails to obtain the real user + ID, then try with PAM_RUSER. + + Resolves: + https://bugzilla.redhat.com/show_bug.cgi?id=1866866 + +2020-09-10 ikerexxe + + pam_wheel: improve coding style. + modules/pam_wheel/pam_wheel.c: improve indentation and explicitly state + condition statements + +2020-08-08 Dmitry V. Levin + + configure: add --disable-unix option. + Some distributions do not build pam_unix, e.g. ALT uses pam_tcb instead. + Add a configure option to disable build of pam_unix so that those who + choose not to build pam_unix no longer have to edit modules/Makefile.am + file. The default is unchanged, i.e. build of pam_unix is enabled. + + * configure.ac (AC_ARG_ENABLE): Add unix. + (AM_CONDITIONAL): Add COND_BUILD_PAM_UNIX. + * modules/Makefile.am [COND_BUILD_PAM_UNIX] (MAYBE_PAM_UNIX): Define. + (SUBDIRS): Replace pam_unix with $(COND_BUILD_PAM_UNIX). + +2020-08-07 Dmitry V. Levin + + Build all installed executables with -Wl,-z,now if available. + This makes them built with full RELRO if -Wl,-z,relro is specified. + + * m4/ld-z-now.m4: New file. + * m4/.gitignore: Add it to exclude list. + * configure.ac: Call PAM_LD_Z_NOW. + (EXE_LDFLAGS): Append $ZNOW_LDFLAGS. + +2020-08-07 Dmitry V. Levin + + modules: build all helpers with proper CFLAGS and LDFLAGS. + This makes all installed executables built with @EXE_CFLAGS@ and + @EXE_LDFLAGS@. + + * modules/pam_mkhomedir/Makefile.am (mkhomedir_helper_CFLAGS, + mkhomedir_helper_LDFLAGS): New variables. + * modules/pam_tally/Makefile.am (pam_tally_CFLAGS, pam_tally_LDFLAGS): + Likewise. + * modules/pam_tally2/Makefile.am (pam_tally2_CFLAGS, + pam_tally2_LDFLAGS): Likewise. + +2020-08-07 Dmitry V. Levin + + build: rename PIE_* AC_SUBST variables to EXE_* + There are going to be other options added to CFLAGS and LDFLAGS + of executables made along with modules. + + * configure.ac (EXE_CFLAGS, EXE_LDFLAGS): New variables initialized from + PIE_CFLAGS and PIE_LDFLAGS, respectively. AC_SUBST them instead of + PIE_CFLAGS and PIE_LDFLAGS. All users updated. + +2020-08-07 Dmitry V. Levin + + m4: make libprelude-config diagnostics less noisy. + Before this change, every normal build of Linux-PAM used to contain + the following diagnostics: + + checking for libprelude-config... no + checking for libprelude - version >= 0.9.0... no + *** The libprelude-config script installed by LIBPRELUDE could not be found + *** If LIBPRELUDE was installed in PREFIX, make sure PREFIX/bin is in + *** your path, or set the LIBPRELUDE_CONFIG environment variable to the + *** full path to libprelude-config. + + Given that libprelude-config is rarely used nowadays, + the first two lines of diagnostics should be enough. + + * m4/libprelude.m4 (AM_PATH_LIBPRELUDE): When libprelude-config + is not found, do not print the lengthy diagnostics unless + --with-libprelude-prefix was specified. + +2020-08-07 Dmitry V. Levin + + configure.ac: rewrite --disable-pie and -fpie/pie check. + * configure.ac: Rewrite -fpie/pie check using AC_LINK_IFELSE to make + the code more readable. Add --enable-pie=check support and make it + the default, terminate if --enable-pie is specified but -fpie/pie + support is not available. + + m4: rewrite ld --no-undefined check. + * m4/ld-no-undefined.m4: Rewrite using AC_LINK_IFELSE to create a more readable + autoconf macro. + + m4: rewrite ld --as-needed check. + * m4/ld-as-needed.m4: Rewrite using AC_LINK_IFELSE to create a more readable + autoconf macro. + + m4: rewrite ld -O1 check. + * m4/ld-O1.m4: Rewrite using AC_LINK_IFELSE to create a more readable + autoconf macro. + +2020-08-07 Dmitry V. Levin + + m4: rewrite __attribute__((unused)) check. + Rewrite using AC_CACHE_CHECK to create a more readable autoconf macro. + + * m4/attribute.m4: New file. + * m4/japhar_grep_cflags.m4: Remove. + * m4/.gitignore: Replace japhar_grep_cflags.m4 with attribute.m4. + * configure.ac: Replace AC_C___ATTRIBUTE__ with PAM_ATTRIBUTE_UNUSED. + +2020-08-06 Dmitry V. Levin + + build: add -Wcast-align=strict to WARN_CFLAGS. + This way -Wcast-align will be tested regardless of the target machine. + + * m4/warn_lang_flags.m4: Add gl_WARN_ADD([-Wcast-align=strict]). + +2020-08-06 Dmitry V. Levin + + configure.ac: rewrite WARN_CFLAGS initialization. + As the old machinery was not prepared for adding compiler options + conditionally when the compiler supports them, replace it with + a new machinery that implements this. + + * m4/warnings.m4: New file. + * m4/warn_lang_flags.m4: Likewise. + * m4/.gitignore: Add exclusions for them. + * m4/japhar_grep_cflags.m4 (JAPHAR_GREP_CFLAGS): Remove. + * configure.ac: Call pam_WARN_LANG_FLAGS. Remove all uses + of JAPHAR_GREP_CFLAGS. + +2020-08-06 Dmitry V. Levin + + Fix -Wcast-align compilation warnings on arm. + Apparently, gcc is also not smart enough to infer the alignment + of structure fields, for details see + https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89133 + + Use unions to avoid these casts altogether, this fixes compilation + warnings reported by gcc on arm, e.g.: + + md5.c: In function 'MD5Update': + md5.c:92:35: error: cast increases required alignment of target type [-Werror=cast-align] + 92 | MD5Name(MD5Transform)(ctx->buf, (uint32 *) ctx->in); + | ^ + md5.c:101:35: error: cast increases required alignment of target type [-Werror=cast-align] + 101 | MD5Name(MD5Transform)(ctx->buf, (uint32 *) ctx->in); + | ^ + md5.c: In function 'MD5Final': + md5.c:136:35: error: cast increases required alignment of target type [-Werror=cast-align] + 136 | MD5Name(MD5Transform)(ctx->buf, (uint32 *) ctx->in); + | ^ + md5.c:147:9: error: cast increases required alignment of target type [-Werror=cast-align] + 147 | memcpy((uint32 *)ctx->in + 14, ctx->bits, 2*sizeof(uint32)); + | ^ + md5.c:149:34: error: cast increases required alignment of target type [-Werror=cast-align] + 149 | MD5Name(MD5Transform)(ctx->buf, (uint32 *) ctx->in); + | ^ + + * modules/pam_namespace/md5.h (struct MD5Context): Replace "buf" and + "in" fields with unions. All users updated. + * modules/pam_unix/md5.h (struct MD5Context): Likewise. + * modules/pam_timestamp/sha1.h (struct sha1_context.pending): Replace + with a union. All users updated. + + Complements: v1.4.0~195 ("Fix most of clang -Wcast-align compilation warnings") + +2020-08-05 Dmitry V. Levin + + pam_namespace: fix big-endian check in md5 implementation. + * modules/pam_namespace/md5.c: Do not check against the list of + architectures that are known to be little-endian, instead check + for WORDS_BIGENDIAN macro defined by AC_C_BIGENDIAN autoconf macro + on big-endian platforms. + +2020-08-05 Christian Göttsche + + pam_namespace: skip context translation. + These retrieved contexts are just passed to libselinux functions and not + printed or otherwise made available to the outside, so a context + translation to human readable MCS/MLS labels is not needed. + (see man:setrans.conf(5)) + + pam_xauth: skip context translation. + The retrieved context is just passed to libselinux functions and not + printed or otherwise made available to the outside, so a context + translation to human readable MCS/MLS labels is not needed. + (see man:setrans.conf(5)) + + pam_xauth: replace deprecated security_context_t. + libselinux 3.1 deprecated the typedef security_context_t. + Use the underlaying type. + + pam_unix: skip context translation. + These retrieved contexts are just passed to libselinux functions and not + printed or otherwise made available to the outside, so a context + translation to human readable MCS/MLS labels is not needed. + (see man:setrans.conf(5)) + + pam_unix: replace deprecated security_context_t. + libselinux 3.1 deprecated the typedef security_context_t. + Use the underlaying type. + + pam_rootok: skip context translation. + The retrieved context is just passed to the libselinux function + 'selinux_check_access()', so a context translation to human readable + MCS/MLS labels is not needed. (see man:setrans.conf(5)) + + pam_rootok: replace deprecated security_context_t. + libselinux 3.1 deprecated the typedef security_context_t. + Use the underlaying type. + + pam_namespace: replace deprecated matchpathcon. + The matchpathcon family is deprecated. + Use the selabel family. + + pam_namespace: replace deprecated security_context_t. + libselinux 3.1 deprecated the typedef security_context_t. + Use the underlaying type. + +2020-08-03 Christian Göttsche + + autotools: enable warnings. + +2020-08-03 Christian Göttsche + + autotools: update deprecated macros. + see https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Obsolete-Macros.html + + - update AC_HELP_STRING to AS_HELP_STRING + - update AC_TRY_COMPILE to AC_COMPILE_IFELSE + - update AC_TRY_RUN to AC_RUN_IFELSE + - update AC_TRY_LINK to AC_LINK_IFELSE + +2020-08-03 Issam Maghni + + configure.ac: fix typo in --with-kernel-overflow-uid= option to match its documentation + +2020-07-22 Tomas Mraz + + pam_unix: Add comment for the ignored PAM_AUTHTOK_ERR case. + * modules/pam_unix/pam_unix_acct.c (pam_sm_acct_mgmt): Add comment + about the reason for ignoring PAM_AUTHTOK_ERR. + +2020-07-22 Tomas Mraz + + Fix missing initialization of daysleft. + The daysleft otherwise stays uninitialized if there is no shadow entry. + + Regression from commit f5adefa. + + Fixes #255 + + * modules/pam_unix/pam_unix_acct.c (pam_sm_acct_mgmt): Initialize daysleft. + +2020-07-20 Charles Lee + + po: update translations using Weblate (Chinese (Simplified)) + Currently translated at 100.0% (122 of 122 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/zh_CN/ + +2020-07-20 ikerexxe + + pam_pwhistory: add helper to handle SELinux. + The purpose of the helper is to enable tighter confinement of login and + password changing services. The helper is thus called only when SELinux + is enabled on the system. + + Resolves: https://github.com/linux-pam/linux-pam/pull/247 + +2020-07-19 A S Alam + + po: update translations using Weblate (Punjabi) + Currently translated at 100.0% (122 of 122 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/pa/ + +2020-07-15 Dmitry V. Levin + + pam_inline.h: cleanup pam_read_passwords a bit. + * libpam/include/pam_inline.h (pam_read_passwords): Increment pptr once + instead of using pptr+1 several times. This change is not expected + to affect the code generated by the compiler as the latter is likely + to perform the optimization itself. + +2020-07-15 ikerexxe + + Move read_passwords function from pam_unix to pam_inline.h. + [ldv: rewrote commit message] + + * modules/pam_unix/passverify.h (read_passwords): Remove prototype. + * modules/pam_unix/passverify.c (read_passwords): Move ... + * libpam/include/pam_inline.h: ... here, rename to pam_read_passwords, + add static inline qualifiers. + Include and . + * modules/pam_unix/unix_chkpwd.c: Include "pam_inline.h". + (main): Replace read_passwords with pam_read_passwords. + * modules/pam_unix/unix_update.c: Include "pam_inline.h". + (set_password): Replace read_passwords with pam_read_passwords. + +2020-07-15 Dmitry V. Levin + + pam_unix: use PAM_MAX_RESP_SIZE instead of its alias MAXPASS. + * modules/pam_unix/passverify.h (MAXPASS): Remove. + * modules/pam_unix/passverify.c (read_passwords): Replace MAXPASS + with PAM_MAX_RESP_SIZE. + * modules/pam_unix/pam_unix_passwd.c (_pam_unix_approve_pass): Likewise. + * modules/pam_unix/support.c (_unix_verify_password): Likewise. + * modules/pam_unix/unix_chkpwd.c (main): Likewise. + * modules/pam_unix/unix_update.c (set_password): Likewise. + +2020-07-09 Lucas Ramage + + pam_stress: create man page. + Resolves: https://github.com/linux-pam/linux-pam/issues/148 + + * modules/pam_stress/README: Remove. + * modules/pam_stress/README.xml: New file. + * modules/pam_stress/pam_stress.8.xml: Likewise. + * modules/pam_stress/Makefile.am (MAINTAINERCLEANFILES): Add + $(MANS) and README. + (EXTRA_DIST): Add $(XMLS). + (XMLS): Add README.xml and pam_stress.8.xml. + [HAVE_DOC] (dist_man_MANS): Add pam_stress.8. + [ENABLE_REGENERATE_MAN] (dist_noinst_DATA): Add README. + [ENABLE_REGENERATE_MAN]: Include $(top_srcdir)/Make.xml.rules. + * modules/pam_stress/.gitignore: Remove. + + Resolves: https://github.com/linux-pam/linux-pam/pull/184 + +2020-07-05 Dmitry V. Levin + + po: update translations using Weblate (Slovak) + Currently translated at 100.0% (122 of 122 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/sk/ + + po: update translations using Weblate (Portuguese (Brazil)) + + Currently translated at 100.0% (122 of 122 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/pt_BR/ + + po: update translations using Weblate (Dutch) + + Currently translated at 100.0% (122 of 122 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/nl/ + + po: update translations using Weblate (Italian) + + Currently translated at 100.0% (122 of 122 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/it/ + + po: update translations using Weblate (German) + + Currently translated at 100.0% (122 of 122 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/de/ + + po: update translations using Weblate (Catalan) + + Currently translated at 100.0% (122 of 122 strings). + + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ca/ + +2020-07-05 Yaron Shahrabani + + Translated using Weblate (Hebrew) + Currently translated at 75.4% (92 of 122 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/he/ + + Translated using Weblate (Arabic) + + Currently translated at 61.4% (75 of 122 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ar/ + +2020-07-02 Dmitry V. Levin + + misc_conv: fix potential information leak on error path. + * libpam_misc/misc_conv.c (read_string): Clear the stack buffer from + data read earlier from stdin in case of a read error. + +2020-07-01 ikerexxe + + pam_loginuid: fix unlikely negative 3rd argument of strncmp on error path + [ldv: rewrote commit message] + + * modules/pam_loginuid/pam_loginuid.c (set_loginuid): Do not pass to + strncmp the return value of pam_modutil_read in an unlikely case when + the latter fails to read from /proc/self/uid_map. + +2020-07-01 ikerexxe + + pam_namespace, pam_mkhomedir: fix unlikely descriptor leaks on error path + [ldv: rewrote commit message] + + * modules/pam_mkhomedir/mkhomedir_helper.c (create_homedir): Close just + opened file descriptor "srcfd" in an unlikely case when it cannot be + fstat'ed. + * modules/pam_namespace/pam_namespace.c (create_instance): Close just + opened file descriptor "fd" in an unlikely case when it cannot be + fstat'ed. + +2020-07-01 ikerexxe + + pam_rootok: fix use of va_list. + CPPCHECK_WARNING (CWE-843): + error[va_end_missing]: va_list 'ap' was opened but not closed by + va_end(). + + [ldv: According to POSIX documentation, each invocation of va_start() + must be matched by a corresponding invocation of va_end(). + + According to the GNU libc documentation, "with most C compilers, + calling 'va_end' does nothing. This is always true in the GNU C + compiler. But you might as well call 'va_end' just in case your + program is someday compiled with a peculiar compiler." + + The main reason for applying this change is to pacify static analysis + tools like cppcheck that insist on strict POSIX conformance in this + respect.] + +2020-07-01 ikerexxe + + misc_conv: fix potential stack buffer overflow. + [ldv: rewrote commit message] + + * libpam_misc/misc_conv.c (read_string): Use _pam_overwrite_n instead + of _pam_overwrite to clear stack buffer "line" because the latter does + not have to be null-terminated. + +2020-07-01 Yaron Shahrabani + + Translated using Weblate (Hebrew) + Currently translated at 60.6% (74 of 122 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/he/ + +2020-06-30 Dmitry V. Levin + + misc_conv: remove redundant check. + * libpam_misc/misc_conv.c (read_string): Remove redundant nc > 0 + check as it has already been tested in the previous condition. + +2020-06-29 ikerexxe + + pam_limits: clarify configuration file. + Resolves: https://github.com/linux-pam/linux-pam/pull/249 + +2020-06-26 Dmitry V. Levin + + .gitignore: move doc-specific entries to doc/.gitignore. + + .gitignore: move module-specific entries to modules/.gitignore. + +2020-06-26 ikerexxe + + pam_namespace: add systemd service file to gitignore. + * modules/pam_namespace/.gitignore: Add pam_namespace.service. + + Complements: v1.4.0~247 ("pam_namespace: secure tmp-inst directories") + +2020-06-26 ikerexxe + + pam_faillock: add faillock executable to gitignore. + * modules/pam_faillock/.gitignore: Add faillock. + + Complements: v1.4.0~76 ("pam_faillock: New module for locking after multiple auth failures") + +2020-06-25 ikerexxe + + pam_env: clarify user_readenv option. + +2020-06-24 Baurzhan Muftakhidinov + + Translated using Weblate (Kazakh) + Currently translated at 100.0% (122 of 122 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/kk/ + +2020-06-24 Yaron Shahrabani + + Translated using Weblate (Hebrew) + Currently translated at 44.2% (54 of 122 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/he/ + +2020-06-22 Vito Caputo + + modules/pam_limits: add support for nonewprivs. + Expose prctl(PR_SET_NO_NEW_PRIVS) as "nonewprivs" item. + + The valid values are a boolean toggle 0/1 to keep semi-consistent + with the other numeric limits. It's slightly awkward as this is + an oddball relative to the other items in pam_limits but outside + of the item value itself this does seem at home in pam_limits. + + Resolves: https://github.com/linux-pam/linux-pam/issues/224 + Resolves: https://github.com/linux-pam/linux-pam/pull/225 + +2020-06-17 ikerexxe + + pam_usertype: avoid determining if user exists. + Taking a look at the time for the password prompt to appear it was + possible to determine if a user existed in a system. Solved it by + matching the runtime until the password prompt was shown by always + checking the password hash for an existing and a non-existing user. + + Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1629598 + +2020-06-17 ikerexxe + + pam_unix: avoid determining if user exists. + Taking a look at the time for the password prompt to appear it was + possible to determine if a user existed in a system. Solved it by + matching the runtime until the password prompt was shown by always + checking the password hash for an existing and a non-existing user. + + Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1629598 + +2020-06-17 ikerexxe + + pam_faillock: change /run/faillock/$USER permissions to 0660. + Nowadays, /run/faillock/$USER files have user:root ownership and 0600 + permissions. This forces the process that writes to these files to have + CAP_DAC_OVERRIDE capabilites. Just by changing the permissions to 0660 + the capability can be removed, which leads to a more secure system. + + Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1661822 + +2020-06-16 Dmitry V. Levin + + pam_modutil_check_user_in_passwd: avoid timing attacks. + * libpam/pam_modutil_check_user.c (pam_modutil_check_user_in_passwd): Do + not exit the file reading loop when the user is found, continue reading + the file to avoid timing attacks. + +2020-06-15 Fabrice Fontaine + + pam_faillock: fix build on musl. + Use pam_modutil_check_user_in_passwd in pam_faillock.c instead of + fgetpwent_r which is not available on musl. + + Resolves: https://github.com/linux-pam/linux-pam/issues/236 + Resolves: https://github.com/linux-pam/linux-pam/pull/237 + Fixes: http://autobuild.buildroot.org/results/0432736ffee376dd84757469434a4bbcfdcdaf4b + +2020-06-15 Fabrice Fontaine + Dmitry V. Levin + + Move check_user_in_passwd from pam_localuser.c to pam_modutil. + + * modules/pam_localuser/pam_localuser.c: Include + . + (pam_sm_authenticate): Replace check_user_in_passwd with + pam_modutil_check_user_in_passwd. + (check_user_in_passwd): Rename to pam_modutil_check_user_in_passwd, + move to ... + * libpam/pam_modutil_check_user.c: ... new file. + * libpam/Makefile.am (libpam_la_SOURCES): Add pam_modutil_check_user.c. + * libpam/include/security/pam_modutil.h + (pam_modutil_check_user_in_passwd): New function declaration. + * libpam/libpam.map (LIBPAM_MODUTIL_1.4.1): New interface. + +2020-06-15 Dmitry V. Levin + + configure.ac: fix non-portable use of test builtin. + Portable code should not assume that test builtin supports == operator. + + * configure.ac (opt_uidmin, opt_sysuidmin, opt_kerneloverflowuid): Fix + initialization. + + Resolves: https://github.com/linux-pam/linux-pam/issues/241 + Fixes: 926d7935e ("pam_usertype: new module to tell if uid is in login.defs ranges") + +2020-06-11 Fabrice Fontaine + + configure.ac: fix build failure when crypt() does not require libcrypt. + Since commit 522246d20e4cd92fadc2d760228cb7e78cbeb4c5, the build fails + if "none required" is returned by AC_SEARCH_LIBS for libcrypt. + + Resolves: https://github.com/linux-pam/linux-pam/pull/235 + Fixes: http://autobuild.buildroot.org/results/92b3dd7c984d2b843ac9aacacd69eec99f28743e + Fixes: v1.4.0~228 ("Use cached 'crypt' library result correctly") + +2020-06-04 Dmitry V. Levin + + build: do not generate tarballs compressed with bzip2 and gzip. + There are tarballs compressed with xz, that should be enough. + + * Makefile.am (AUTOMAKE_OPTIONS): Remove dist-bzip2, add no-dist-gzip. + (releasedocs): Do not create Linux-PAM-$(VERSION)-docs.tar.bz2 + and Linux-PAM-$(VERSION)-docs.tar.gz. + +2020-06-04 Dmitry V. Levin + + maint: document release procedure. + * maint/README-release: New file. + + maint: introduce gen-tag-message. + * maint/gen-tag-message: New script for preparing tag message. + + maint: introduce make-dist. + * maint/make-dist: New script for preparing release tarballs. + +2020-06-03 Dmitry V. Levin + + gitlog-to-changelog: update from gnulib. + +2020-05-29 Josef Möllers + Tomáš Mráz + Dmitry V. Levin + + pam_setquota: skip mountpoints equal to the user's $HOME. + Matthias Gerstner found the following issue: + + + So this pam_setquota module iterates over all mounted file systems using + `setmntent()` and `getmntent()`. It tries to find the longest match of + a file system mounted on /home/$USER or above (except when the + fs=/some/path parameter is passed to the pam module). + + The thing is that /home/$USER is owned by the unprivileged user. And + there exist tools like fusermount from libfuse which is by default + installed setuid-root for everybody. fusermount allows to mount a FUSE + file system using an arbitrary "source device name" as the unprivileged + user. + + Thus considering the following use case: + + 1) there is only the root file system (/) or a file system is mounted on + /home, but not on /home/$USER. + 2) the attacker mounts a fake FUSE file system over its own home directory: + + ``` + user $ export _FUSE_COMMFD=0 + user $ fusermount $HOME -ononempty,fsname=/dev/sda1 + ``` + + This will result in a mount entry in /proc/mounts looking like this: + + ``` + /dev/sda1 on /home/$USER type fuse (rw,nosuid,nodev,relatime,user_id=1000,group_id=100) + ``` + 3) when the attacker now logs in with pam_setquota configured then + pam_setquota will identify /dev/sda1 and the file system where + to apply the user's quota on. + + As a result an unprivileged user has full control over onto which block + device the quota is applied. + + + If the user's $HOME is on a separate partition, setting a quota on the + user's $HOME does not really make sense, so this patch skips mountpoints + equal to the user's $HOME, preventing the above mentioned bug as + a side-effect (or vice-versa). + + Reported-by: Matthias Gerstner + Resolves: https://github.com/linux-pam/linux-pam/pull/230 + +2020-05-25 Dmitry V. Levin + + pam_debug: do not invoke pam_get_user and do not set PAM_USER. + pam_debug used to invoke pam_get_user and set PAM_USER to "nobody" when + pam_get_user returns an empty string as the user name. When either of + these functions returned an error value, it used to return that error + value. This hasn't been documented, and I couldn't find any rationale + for this behaviour. + + * modules/pam_debug/pam_debug.c (pam_sm_authenticate): Do not invoke + pam_get_user and pam_set_item. + +2020-05-24 Yi-Jyun Pan + + Translated using Weblate (Chinese (Traditional)) + Currently translated at 100.0% (122 of 122 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/zh_TW/ + +2020-05-22 Dmitry V. Levin + + modules: downgrade syslog level for errors related to pam_get_user. + * modules/pam_faillock/pam_faillock.c (get_pam_user): Downgrade + the syslog level for diagnostics of errors returned by + pam_modutil_getpwnam for users returned by pam_get_user + from LOG_ERR to LOG_NOTICE. + * modules/pam_keyinit/pam_keyinit.c (do_keyinit): Likewise. + * modules/pam_lastlog/pam_lastlog.c (pam_sm_authenticate): Likewise. + * modules/pam_listfile/pam_listfile.c (pam_sm_authenticate): Likewise. + * modules/pam_loginuid/pam_loginuid.c (_pam_loginuid): Likewise. + * modules/pam_mail/pam_mail.c (_do_mail): Likewise. + * modules/pam_sepermit/pam_sepermit.c (sepermit_lock): Likewise. + * modules/pam_tally/pam_tally.c (pam_get_uid): Likewise. + * modules/pam_tally2/pam_tally2.c (pam_get_uid): Likewise. + * modules/pam_umask/pam_umask.c (pam_sm_open_session): Likewise. + * modules/pam_xauth/pam_xauth.c (pam_sm_open_session, + pam_sm_close_session): Likewise. + * modules/pam_tty_audit/pam_tty_audit.c (pam_sm_open_session): Downgrade + the syslog level for diagnostics of errors returned by + pam_modutil_getpwnam for users returned by pam_get_user + from LOG_WARNING to LOG_NOTICE. + + Suggested-by: Tomáš Mráz + +2020-05-22 Dmitry V. Levin + + modules: downgrade syslog level for pam_get_user errors. + * modules/pam_access/pam_access.c (pam_sm_authenticate): Downgrade + the syslog level for pam_get_user errors from LOG_ERR to LOG_NOTICE. + * modules/pam_cracklib/pam_cracklib.c (_pam_unix_approve_pass): Likewise. + * modules/pam_ftp/pam_ftp.c (pam_sm_authenticate): Likewise. + * modules/pam_group/pam_group.c (pam_sm_setcred): Likewise. + * modules/pam_lastlog/pam_lastlog.c (pam_sm_authenticate): Likewise. + * modules/pam_loginuid/pam_loginuid.c (_pam_loginuid): Likewise. + * modules/pam_mail/pam_mail.c (_do_mail): Likewise. + * modules/pam_nologin/pam_nologin.c (perform_check): Likewise. + * modules/pam_rhosts/pam_rhosts.c (pam_sm_authenticate): Likewise. + * modules/pam_sepermit/pam_sepermit.c (pam_sm_authenticate): Likewise. + * modules/pam_succeed_if/pam_succeed_if.c (pam_sm_authenticate): Likewise. + * modules/pam_tally/pam_tally.c (pam_get_uid): Likewise. + * modules/pam_tally2/pam_tally2.c (pam_get_uid): Likewise. + * modules/pam_time/pam_time.c (pam_sm_acct_mgmt): Likewise. + * modules/pam_tty_audit/pam_tty_audit.c (pam_sm_open_session): Likewise. + * modules/pam_umask/pam_umask.c (pam_sm_open_session): Likewise. + * modules/pam_userdb/pam_userdb.c (pam_sm_authenticate, + pam_sm_acct_mgmt): Likewise. + * modules/pam_usertype/pam_usertype.c (pam_usertype_get_uid): Likewise. + * modules/pam_xauth/pam_xauth.c (pam_sm_open_session, + pam_sm_close_session): Likewise. + * modules/pam_securetty/pam_securetty.c (securetty_perform_check): + Downgrade the syslog level for pam_get_user errors from LOG_WARNING + to LOG_NOTICE. + * modules/pam_stress/pam_stress.c (pam_sm_authenticate): Likewise. + + Suggested-by: Tomáš Mráz + +2020-05-22 Dmitry V. Levin + + pam_localuser: add a test for return values. + * modules/pam_localuser/tst-pam_localuser-retval.c: New file. + * modules/pam_localuser/Makefile.am (TESTS): Add $(check_PROGRAMS). + (check_PROGRAMS, tst_pam_localuser_retval_LDADD): New variables. + + pam_localuser: refactor pam_sm_authenticate. + * modules/pam_localuser/pam_localuser.c (check_user_in_passwd): New + function. + (pam_sm_authenticate): Use it. + +2020-05-22 Dmitry V. Levin + + pam_localuser: downgrade syslog level for errors related to user input. + * modules/pam_localuser/pam_localuser.c (pam_sm_authenticate): Downgrade + the syslog level for errors related to pam_get_user from LOG_ERR to + LOG_NOTICE. + + Suggested-by: Tomáš Mráz + +2020-05-21 Dmitry V. Levin + + pam_localuser: re-format pam_sm_* function declarations. + +2020-05-21 Dmitry V. Levin + + pam_localuser: remove unused includes. + Also, remove unused MODULE_NAME macro. + + * modules/pam_localuser/pam_localuser.c: Stop including unused header + files. + (MODULE_NAME): Remove. + +2020-05-21 Dmitry V. Levin + + pam_localuser: forward error values returned by pam_get_user. + Starting with commit c2c601f5340a59c5c62193d55b555d384380ea38, + pam_get_user is guaranteed to return one of the following values: + PAM_SUCCESS, PAM_BUF_ERR, PAM_CONV_AGAIN, or PAM_CONV_ERR. + + * modules/pam_localuser/pam_localuser.c (pam_sm_authenticate): Do not + replace non-PAM_CONV_AGAIN error values returned by pam_get_user with + PAM_SERVICE_ERR. + * modules/pam_localuser/pam_localuser.8.xml (RETURN VALUES): Document + new return values. + +2020-05-21 Dmitry V. Levin + + pam_localuser: return PAM_INCOMPLETE when pam_get_user returns PAM_CONV_AGAIN + Give the application a chance to handle PAM_INCOMPLETE. + + * modules/pam_localuser/pam_localuser.c (pam_sm_authenticate): Return + PAM_INCOMPLETE instead of PAM_SERVICE_ERR when pam_get_user returns + PAM_CONV_AGAIN. + * modules/pam_localuser/pam_localuser.8.xml (RETURN VALUES): Document + it. + +2020-05-21 Dmitry V. Levin + + pam_localuser: open the passwd file after user name validation. + Since user name is untrusted input, it should be validated earlier + rather than later. + + * modules/pam_localuser/pam_localuser.c (pam_sm_authenticate): Open + the passwd file after user name validation. + +2020-05-21 Dmitry V. Levin + + pam_localuser: use BUFSIZ as the line buffer size. + As BUFSIZ is the buffer size used in stdio, it must be an efficient size + for the line buffer. Also, it's larger than LINE_MAX used as the line + buffer size before this change, effectively raising the maximum user + name length supported by this module. + + * modules/pam_localuser/pam_localuser.c (pam_sm_authenticate): Replace + LINE_MAX with BUFSIZ. + +2020-05-21 Dmitry V. Levin + + pam_localuser: handle long lines in passwd files properly. + Before this change, a long line in the passwd file used to be treated as + several lines which could potentially result to false match and, + consequently, to incorrect PAM_SUCCESS return value. + + * modules/pam_localuser/pam_localuser.c (pam_sm_authenticate): Handle + long lines in passwd files properly. + +2020-05-21 Dmitry V. Levin + + pam_localuser: get rid of a temporary buffer. + * modules/pam_localuser/pam_localuser.c (pam_sm_authenticate): Do not + copy the user name into a temporary buffer, use the user name itself in + comparisons. + + pam_localuser: log unrecognized options. + * modules/pam_localuser/pam_localuser.c (pam_sm_authenticate): Log + unrecognized options. + +2020-05-21 Dmitry V. Levin + + pam_localuser: return PAM_SERVICE_ERR instead of PAM_SYSTEM_ERR. + When passwd file cannot be opened or the user name either cannot be + obtained or is not valid, return PAM_SERVICE_ERR instead of + PAM_SYSTEM_ERR. + + * modules/pam_localuser/pam_localuser.c (pam_sm_authenticate): Return + PAM_SERVICE_ERR instead of PAM_SYSTEM_ERR. + +2020-05-21 Dmitry V. Levin + + pam_localuser: reject user names that are too long. + Too long user names used to be truncated which could potentially result + to false match and, consequently, to incorrect PAM_SUCCESS return value. + + * modules/pam_localuser/pam_localuser.c (pam_sm_authenticate): Return + PAM_SERVICE_ERR if the user name is too long. + +2020-05-21 Dmitry V. Levin + + pam_localuser: reject user names containing a colon. + "root:x" is not a local user name even if the passwd file contains + a line starting with "root:x:". + + * modules/pam_localuser/pam_localuser.c (pam_sm_authenticate): Return + PAM_PERM_DENIED if the user name contains a colon. + +2020-05-21 Dmitry V. Levin + + pam_mkhomedir: add a test for return values. + * modules/pam_mkhomedir/tst-pam_mkhomedir-retval.c: New file. + * modules/pam_mkhomedir/Makefile.am (TESTS): Add $(check_PROGRAMS). + (check_PROGRAMS, tst_pam_mkhomedir_retval_LDADD): New variables. + + pam_faildelay: add a test for return values. + * modules/pam_faildelay/tst-pam_faildelay-retval.c: New file. + * modules/pam_faildelay/Makefile.am (TESTS): Add $(check_PROGRAMS). + (check_PROGRAMS, tst_pam_faildelay_retval_LDADD): New variables. + + pam_rootok: add a test for return values. + * modules/pam_rootok/tst-pam_rootok-retval.c: New file. + * modules/pam_rootok/Makefile.am (TESTS): Add $(check_PROGRAMS). + (check_PROGRAMS, tst_pam_rootok_retval_LDADD): New variables. + + pam_nologin: add a test for return values. + * modules/pam_nologin/tst-pam_nologin-retval.c: New file. + * modules/pam_nologin/Makefile.am (TESTS): Add $(check_PROGRAMS). + (check_PROGRAMS, tst_pam_nologin_retval_LDADD): New variables. + + pam_echo: add a test for return values. + * modules/pam_echo/tst-pam_echo-retval.c: New file. + * modules/pam_echo/Makefile.am (TESTS): Add $(check_PROGRAMS). + (check_PROGRAMS, tst_pam_echo_retval_LDADD): New variables. + + pam_warn: add a test for return values. + * modules/pam_warn/tst-pam_warn-retval.c: New file. + * modules/pam_warn/Makefile.am (TESTS): Add $(check_PROGRAMS). + (check_PROGRAMS, tst_pam_warn_retval_LDADD): New variables. + + pam_debug: add a test for return values. + * modules/pam_debug/tst-pam_debug-retval.c: New file. + * modules/pam_debug/Makefile.am (TESTS): Add $(check_PROGRAMS). + (check_PROGRAMS, tst_pam_debug_retval_LDADD): New variables. + + pam_permit: add a test for return values. + * modules/pam_permit/tst-pam_permit-retval.c: New file. + * modules/pam_permit/Makefile.am (TESTS): Add $(check_PROGRAMS). + (check_PROGRAMS, tst_pam_permit_retval_LDADD): New variables. + + pam_deny: add a test for return values. + * modules/pam_deny/tst-pam_deny-retval.c: New file. + * modules/pam_deny/Makefile.am (TESTS): Add $(check_PROGRAMS). + (check_PROGRAMS, tst_pam_deny_retval_LDADD): New variables. + +2020-05-21 Dmitry V. Levin + + Introduce test_assert.h. + Introduce a new internal header file for definitions of handy macros + providing convenient assertion testing functionality. + + * libpam/include/test_assert.h: New file. + * libpam/Makefile.am (noinst_HEADERS): Add include/test_assert.h. + +2020-05-21 Andreas Henriksson + + Translated using Weblate (Swedish) + Currently translated at 100.0% (122 of 122 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/sv/ + +2020-05-17 Dmitry V. Levin + + doc: fix the description of stack jump effects. + Every stack jump, besides the jump itself, has a side effect which is + one of 'ignore', 'ok', or 'bad'. Unfortunately, the side effect is far + from obvious because it depends on the PAM function call, and the + documentation that contradicts the implementation does not help either. + + * doc/man/pam.conf-syntax.xml (actionN): Rewrite the description + of stack jump effects to match the implementation. + + Fixes: 871a6e14d65c3c446ae0af51166dabc7a47a2b56 + +2020-05-17 Weblate (bot) + Allan Nordhøy + Dmitry V. Levin + + Translations update from Weblate (#227) + * Translated using Weblate (Norwegian BokmÃ¥l) + + Currently translated at 99.1% (121 of 122 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/nb_NO/ + + * Translated using Weblate (Catalan) + + Currently translated at 98.3% (120 of 122 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ca/ + +2020-05-16 Dmitry V. Levin + + modules: do not check user name for emptyness before passing it to pam_modutil_getpwnam + pam_modutil_getpwnam is perfectly capable of handling empty strings as + user names, no need to double check that. + + * modules/pam_access/pam_access.c (pam_sm_authenticate): Do not check + the user name for emptyness before passing it to pam_modutil_getpwnam. + * modules/pam_lastlog/pam_lastlog.c (pam_sm_authenticate): Likewise. + * modules/pam_pwhistory/pam_pwhistory.c (pam_sm_chauthtok): Likewise. + * modules/pam_shells/pam_shells.c (perform_check): Likewise. + * modules/pam_tally/pam_tally.c (pam_get_uid): Likewise. + * modules/pam_tally2/pam_tally2.c (pam_get_uid): Likewise. + * modules/pam_umask/pam_umask.c (pam_sm_open_session): Likewise. + +2020-05-15 Dmitry V. Levin + + pam_usertype: Document return values forwarded from pam_get_user. + * modules/pam_usertype/pam_usertype.8.xml (RETURN VALUES): Document + PAM_BUF_ERR and PAM_CONV_ERR return values. + +2020-05-15 Dmitry V. Levin + + pam_usertype: return PAM_INCOMPLETE when pam_get_user returns PAM_CONV_AGAIN + Give the application a chance to handle PAM_INCOMPLETE. + + * modules/pam_usertype/pam_usertype.c (pam_usertype_get_uid): Return + PAM_INCOMPLETE instead of PAM_CONV_AGAIN when pam_get_user returns + PAM_CONV_AGAIN. + * modules/pam_usertype/pam_usertype.8.xml (RETURN VALUES): Document it. + +2020-05-15 Dmitry V. Levin + + pam_faillock: Document return values forwarded from pam_get_user. + * modules/pam_faillock/pam_faillock.8.xml (RETURN VALUES): Document + PAM_BUF_ERR and PAM_CONV_ERR return values. + +2020-05-15 Dmitry V. Levin + + pam_faillock: return PAM_INCOMPLETE when pam_get_user returns PAM_CONV_AGAIN + Give the application a chance to handle PAM_INCOMPLETE. + + * modules/pam_faillock/pam_faillock.c (get_pam_user): Return + PAM_INCOMPLETE instead of PAM_CONV_AGAIN when pam_get_user returns + PAM_CONV_AGAIN. + * modules/pam_faillock/pam_faillock.8.xml (RETURN VALUES): Document it. + +2020-05-15 Dmitry V. Levin + + pam_securetty: forward error values returned by pam_get_user. + Starting with commit c2c601f5340a59c5c62193d55b555d384380ea38, + pam_get_user is guaranteed to return one of the following values: + PAM_SUCCESS, PAM_BUF_ERR, PAM_CONV_AGAIN, or PAM_CONV_ERR. + + * modules/pam_securetty/pam_securetty.c (pam_sm_authenticate): Do not + replace non-PAM_CONV_AGAIN error values returned by pam_get_user with + PAM_SERVICE_ERR. + * modules/pam_securetty/pam_securetty.8.xml (RETURN VALUES): Document + new return values. + +2020-05-15 Dmitry V. Levin + + modules: do not check user name for NULL if pam_get_user returned PAM_SUCCESS + If pam_get_user returned PAM_SUCCESS, the user name is guaranteed + to be a valid C string, no need to double check that. + + * modules/pam_access/pam_access.c (pam_sm_authenticate): Do not check + for NULL the user name returned by pam_get_user when the latter returned + PAM_SUCCESS. + * modules/pam_cracklib/pam_cracklib.c (_pam_unix_approve_pass): Likewise. + * modules/pam_debug/pam_debug.c (pam_sm_authenticate): Likewise. + * modules/pam_filter/pam_filter.c (process_args): Likewise. + * modules/pam_ftp/pam_ftp.c (pam_sm_authenticate): Likewise. + * modules/pam_group/pam_group.c (pam_sm_setcred): Likewise. + * modules/pam_lastlog/pam_lastlog.c (pam_sm_authenticate): Likewise. + * modules/pam_listfile/pam_listfile.c (pam_sm_authenticate): Likewise. + * modules/pam_localuser/pam_localuser.c (pam_sm_authenticate): Likewise. + * modules/pam_mail/pam_mail.c (_do_mail): Likewise. + * modules/pam_nologin/pam_nologin.c (perform_check): Likewise. + * modules/pam_permit/pam_permit.c (pam_sm_authenticate): Likewise. + * modules/pam_pwhistory/pam_pwhistory.c (pam_sm_chauthtok): Likewise. + * modules/pam_rhosts/pam_rhosts.c (pam_sm_authenticate): Likewise. + * modules/pam_securetty/pam_securetty.c (pam_sm_authenticate): Likewise. + * modules/pam_sepermit/pam_sepermit.c (pam_sm_authenticate): Likewise. + * modules/pam_shells/pam_shells.c (perform_check): Likewise. + * modules/pam_stress/pam_stress.c (pam_sm_authenticate): Likewise. + * modules/pam_succeed_if/pam_succeed_if.c (pam_sm_authenticate): Likewise. + * modules/pam_time/pam_time.c (pam_sm_acct_mgmt): Likewise. + * modules/pam_timestamp/pam_timestamp.c (get_timestamp_name): Likewise. + * modules/pam_umask/pam_umask.c (pam_sm_open_session): Likewise. + * modules/pam_unix/pam_unix_auth.c (pam_sm_authenticate): Likewise. + * modules/pam_unix/pam_unix_passwd.c (pam_sm_chauthtok): Likewise. + * modules/pam_usertype/pam_usertype.c (pam_usertype_get_uid): Likewise. + * modules/pam_wheel/pam_wheel.c (perform_check): Likewise. + * modules/pam_userdb/pam_userdb.c (pam_sm_authenticate, pam_sm_acct_mgmt): + Likewise. + +2020-05-14 Dmitry V. Levin + + pam_umask: Document return values forwarded from pam_get_user. + * modules/pam_umask/pam_umask.8.xml (RETURN VALUES): Document + PAM_BUF_ERR, PAM_CONV_ERR, and PAM_INCOMPLETE return values. + + pam_exec: Document return values forwarded from pam_get_user. + * modules/pam_exec/pam_exec.8.xml (RETURN VALUES): Document + PAM_BUF_ERR, PAM_CONV_ERR, and PAM_INCOMPLETE return values. + +2020-05-13 Dmitry V. Levin + + Deprecate pam_cracklib, pam_tally, and pam_tally2. + Deprecate pam_cracklib, there are two better alternatives to this + obsolete module: pam_passwdqc from passwdqc project and pam_pwquality + from libpwquality project. + + Deprecate pam_tally and pam_tally2 in favour of pam_faillock. + + * configure.ac: Implement --enable-cracklib=check that enables build + of pam_cracklib when libcrack is available. + Disable build of pam_cracklib, pam_tally, and pam_tally2 by default. + * NEWS: Mention this change. + * ci/run-build-and-tests.sh (DISTCHECK_CONFIGURE_FLAGS): Add + --enable-tally, --enable-tally2, and --enable-cracklib=check + to check build of these deprecated modules. + +2020-05-13 Dmitry V. Levin + + NEWS: update. + +2020-05-12 Thorsten Kukuk <5908016+thkukuk@users.noreply.github.com> + + Use correct path for pam_namespace.service file (#223) + +2020-05-09 Dmitry V. Levin + + pam_setquota: fix return value when the user is unknown. + Following the bad example in pam_mkhomedir module, from the very + beginning pam_setquota module used to return PAM_CRED_INSUFFICIENT + when pam_modutil_getpwnam() returned an error. Fix this now + by changing the return value to PAM_USER_UNKNOWN. + + * modules/pam_setquota/pam_setquota.c (pam_sm_open_session): Return + PAM_USER_UNKNOWN instead of PAM_CRED_INSUFFICIENT. + * modules/pam_setquota/pam_setquota.8.xml (PAM_CRED_INSUFFICIENT): + Replace with PAM_USER_UNKNOWN. + +2020-05-09 Dmitry V. Levin + + pam_mkhomedir: fix return value when the user is unknown. + From the very beginning pam_mkhomedir module used to return + PAM_CRED_INSUFFICIENT when getpwnam() or pam_modutil_getpwnam() + returned an error. Fix this now by changing the return value + to PAM_USER_UNKNOWN. + + * modules/pam_mkhomedir/mkhomedir_helper.c (main): Return + PAM_USER_UNKNOWN instead of PAM_CRED_INSUFFICIENT. + * modules/pam_mkhomedir/pam_mkhomedir.c (pam_sm_open_session): Likewise. + * modules/pam_mkhomedir/pam_mkhomedir.8.xml (PAM_CRED_INSUFFICIENT): + Remove. + +2020-05-06 Dmitry V. Levin + + pam_get_user: do not override valid values returned by the conversation function + When the conversation function returned a value different from + PAM_CONV_AGAIN and provided no response, pam_get_user used to replace + the return value with PAM_CONV_ERR. Fix this and replace the return + value only if it was PAM_SUCCESS. + + * libpam/pam_item.c (pam_get_user): Do not override valid values + returned by the conversation function. + +2020-05-06 Dmitry V. Levin + + pam_get_user: filter conversation function return values. + Do not assume that the conversation function provided by the application + strictly follows the return values guidelines, replace undocumented + return values with PAM_CONV_ERR. + + * libpam/pam_item.c (pam_get_user): If the value returned by the + conversation function is not one of PAM_SUCCESS, PAM_BUF_ERR, + PAM_CONV_AGAIN, or PAM_CONV_ERR, replace it with PAM_CONV_ERR. + +2020-05-06 Dmitry V. Levin + + man: document other valid pam_get_user return values. + * doc/man/pam_get_user.3.xml (pam_get_user-return_values): Add + PAM_BUF_ERR, PAM_ABORT, and PAM_CONV_AGAIN. + +2020-05-06 Dmitry V. Levin + + pam_get_user: consistently return PAM_SYSTEM_ERR if user specified a NULL pointer + pam_get_user returns PAM_SYSTEM_ERR in case of pamh == NULL. + In case of user == NULL, however, it used to return PAM_PERM_DENIED, + and in case of NULL conversation function it used to return + PAM_SERVICE_ERR. + + According to the documentation, PAM_SYSTEM_ERR shall be returned + if a NULL pointer was submitted. + + Fix this inconsistency and return PAM_SYSTEM_ERR in each of these + programming error cases. + + * libpam/pam_item.c (pam_get_user): Return PAM_SYSTEM_ERR instead of + PAM_PERM_DENIED if user == NULL. Return PAM_SYSTEM_ERR instead of + PAM_SERVICE_ERR if pamh->pam_conversation == NULL. + +2020-05-06 Weblate (bot) + + Translations update from Weblate. + * Translated using Weblate (Spanish) + + Currently translated at 81.9% (100 of 122 strings) + + * Translated using Weblate (Portuguese) + + Currently translated at 100.0% (122 of 122 strings) + +2020-05-03 Dmitry V. Levin + + doc: remove references to PAM_SM_* macros. + Starting with commit a684595c0bbd88df71285f43fb27630e3829121e aka + Linux-PAM-1.3.0~14 (Remove "--enable-static-modules" option and support + from Linux-PAM), PAM_SM_* macros have no effect. + + modules: remove PAM_SM_* macros. + Starting with commit a684595c0bbd88df71285f43fb27630e3829121e aka + Linux-PAM-1.3.0~14 (Remove "--enable-static-modules" option and support + from Linux-PAM), PAM_SM_* macros have no effect. + +2020-05-03 Dmitry V. Levin + + pam_usertype: do not override the default prompt. + Following the bad example in pam_succeed_if module, from the very + beginning pam_usertype used to override the default prompt used by + pam_get_user() with "login: ". Fix this now. + + * modules/pam_usertype/pam_usertype.c (pam_sm_authenticate): Do not + request PAM_USER_PROMPT item, invoke pam_get_user() with the default + prompt. + +2020-05-03 Dmitry V. Levin + + pam_succeed_if: do not override the default prompt. + From the very beginning pam_succeed_if used to override the default + prompt used by pam_get_user() with "login: ". Fix this now. + + * modules/pam_succeed_if/pam_succeed_if.c (pam_sm_authenticate): Do not + request PAM_USER_PROMPT item, invoke pam_get_user() with the default + prompt. + +2020-05-03 Dmitry V. Levin + + modules/*/Makefile.am: rename TESTS to dist_check_SCRIPTS. + ... and remove $(TESTS) from EXTRA_DIST. + + The change is performed automatically using the following script: + sed -i -e 's/^TESTS = \(tst.*\)/dist_check_SCRIPTS = \1\nTESTS = $(dist_check_SCRIPTS)/' \ + -e '/^EXTRA_DIST/ s/ \$(TESTS)//' modules/*/Makefile.am + +2020-05-03 Dmitry V. Levin + + modules/*/Makefile.am: rename man_MANS to dist_man_MANS. + ... and remove $(MANS) from EXTRA_DIST. + + The change is performed automatically using the following script: + sed -i 's/^man_MANS/dist_&/; /^EXTRA_DIST/ s/ \$(MANS)//' modules/*/Makefile.am + +2020-05-03 Dmitry V. Levin + + pam_namespace: cleanup pam_namespace.service installation. + * modules/pam_namespace/Makefile.am (service_DATA): New variable. + (install-data-local): Remove all commands related to servicedir. + (uninstall-local): Remove. + + Fixes: 59812d1cf ("pam_namespace: secure tmp-inst directories") + +2020-05-03 Dmitry V. Levin + + modules/*/Makefile.am: add dist_ prefix to *_DATA. + ... and remove $(DATA) from EXTRA_DIST. + + The change is performed automatically using the following script: + sed -i 's/^[a-z]*_DATA/dist_&/; /^EXTRA_DIST/ s/ \$(DATA)//' modules/*/Makefile.am + +2020-05-03 Dmitry V. Levin + + modules/pam_timestamp/Makefile.am: rename noinst_PROGRAMS to check_PROGRAMS + ... and remove nodist_TESTS. + + * modules/pam_timestamp/Makefile.am (nodist_TESTS): Remove. + (TESTS): Replace $(nodist_TESTS) with $(check_PROGRAMS). + (noinst_PROGRAMS): Rename to check_PROGRAMS. + +2020-05-03 Dmitry V. Levin + + modules/pam_timestamp/Makefile.am: rename dist_TESTS to dist_check_SCRIPTS + ... and remove it from EXTRA_DIST + + * modules/pam_timestamp/Makefile.am (EXTRA_DIST): Remove $(dist_TESTS). + (dist_TESTS): Rename to dist_check_SCRIPTS. + (TESTS): Replace $(dist_TESTS) with $(dist_check_SCRIPTS). + +2020-05-03 Dmitry V. Levin + + modules/pam_namespace/Makefile.am: add dist_ prefix to secureconf_SCRIPTS + ... and remove $(SCRIPTS) from EXTRA_DIST. + + * modules/pam_namespace/Makefile.am (EXTRA_DIST): Remove $(SCRIPTS). + (secureconf_SCRIPTS): Rename to dist_secureconf_SCRIPTS. + +2020-05-03 Dmitry V. Levin + + Translated using Weblate (Russian) + Currently translated at 100.0% (122 of 122 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ru/ + +2020-05-03 Yuri Chornoivan + + Translated using Weblate (Ukrainian) + Currently translated at 100.0% (122 of 122 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/uk/ + +2020-05-03 OÄŸuz Ersen + + Translated using Weblate (Turkish) + Currently translated at 100.0% (122 of 122 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/tr/ + +2020-05-03 Julien Humbert + + Translated using Weblate (French) + Currently translated at 100.0% (122 of 122 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/fr/ + +2020-05-03 scootergrisen + + Translated using Weblate (Danish) + Currently translated at 100.0% (122 of 122 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/da/ + +2020-05-03 Piotr DrÄ…g + + Translated using Weblate (Polish) + Currently translated at 100.0% (122 of 122 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/pl/ + +2020-04-30 Tomas Mraz + + Update .po and .pot files after adding pam_faillock. + + pam_faillock: Correct the grammar of translated strings. + Also make the message the same as in pam_tally2. + + pam_faillock: Add conf option to use a different config file. + + pam_faillock: New module for locking after multiple auth failures. + +2020-04-29 Weblate (bot) + Alesker Abdullayev - FEDORA Azerbaijan + Allan Nordhøy + + Translations update from Weblate (#215) + Updated translation using Weblate + + * Translated using Weblate (Azerbaijani) + + Currently translated at 15.8% (19 of 120 strings) + + * Translated using Weblate (Norwegian BokmÃ¥l) + + Currently translated at 100.0% (120 of 120 strings) + +2020-04-28 Dmitry V. Levin + + build: rework vendordir substitution. + Since Make.xml.rules is the only place where XSLTPROC_CUSTOM was used, + remove stereotypic definitions from other Makefiles, this way we no + longer have to worry about vendordir being used somewhere else in + documentation files. + + Likewise, define VENDORDIR in config.h and remove stereotypic + -DVENDORDIR= additions from other Makefiles, this way we no longer + have to worry about VENDORDIR being used somewhere else in the code. + + * configure.ac (AM_CONDITIONAL): Remove HAVE_VENDORDIR. + (AC_DEFINE_UNQUOTED): Add VENDORDIR. + (AC_SUBST): Remove VENDORDIR, add STRINGPARAM_VENDORDIR. + * Make.xml.rules.in: Replace $(XSLTPROC_CUSTOM) with + @STRINGPARAM_VENDORDIR@. + * doc/man/Makefile.am (XSLTPROC_CUSTOM): Remove. + * libpam/Makefile.am [HAVE_VENDORDIR]: Remove. + * modules/pam_securetty/Makefile.am [HAVE_VENDORDIR]: Remove. + (XSLTPROC_CUSTOM): Remove. + * modules/pam_securetty/pam_securetty.c: Move definitions of local + macros after config.h to benefit from macros defined there. + +2020-04-28 Dmitry V. Levin + + Make.xml.rules: prepare for configure substitutions. + * Make.xml.rules: Rename to ... + * Make.xml.rules.in: ... new file. + * Makefile.am (EXTRA_DIST): Remove Make.xml.rules. + * configure.ac (AC_CONFIG_FILES): Add Make.xml.rules. + +2020-04-27 Dmitry V. Levin + + pam_namespace: replace namespace.init with $(SCRIPTS) in EXTRA_DIST. + As namespace.init is listed in secureconf_SCRIPTS which is part of + generated SCRIPTS variable. + + * modules/pam_namespace/Makefile.am (EXTRA_DIST): Replace namespace.init + with $(SCRIPTS). + +2020-04-27 Dmitry V. Levin + + pam_env: remove environment from EXTRA_DIST. + * modules/pam_env/Makefile.am (EXTRA_DIST): Remove environment as it is + listed in sysconf_DATA which is part of DATA which is already listed in + EXTRA_DIST. + +2020-04-27 Dmitry V. Levin + + modules/*/Makefile.am: remove $(secureconf_DATA) from EXTRA_DIST. + Since the whole $(DATA) is listed in EXTRA_DIST, $(secureconf_DATA) + can be safely de-listed. + + * modules/pam_access/Makefile.am (EXTRA_DIST): Remove + $(secureconf_DATA). + * modules/pam_env/Makefile.am: Likewise. + * modules/pam_group/Makefile.am: Likewise. + * modules/pam_limits/Makefile.am: Likewise. + * modules/pam_namespace/Makefile.am: Likewise. + * modules/pam_sepermit/Makefile.am: Likewise. + * modules/pam_time/Makefile.am: Likewise. + +2020-04-27 Dmitry V. Levin + + modules/*/Makefile.am: replace README with $(DATA) in EXTRA_DIST. + Since the GNU Automake distributes README files by default, the only + reason why README had to be listed in EXTRA_DIST was to make these + README files generated. + + Since README is also listed in noinst_DATA, we can safely replace + README in EXTRA_DIST with $(DATA), this also opens the way for + further EXTRA_DIST cleanup. + + * modules/*/Makefile.am (EXTRA_DIST): Replace README with $(DATA). + +2020-04-27 Dmitry V. Levin + + modules/*/Makefile.am: reorder lines to promote uniformity. + This is essentially a no-op change that makes modules/*/Makefile.am + files less divergent. + +2020-04-27 Dmitry V. Levin + + build: move README prerequisites rule from modules/*/Makefile.am to Make.xml.rules + As the rule is now the same in every modules/*/Makefile.am file, + move it to Make.xml.rules. + + * Make.xml.rules (README): New prerequisites rule. + * modules/pam_access/Makefile.am (README): Remove rule. + * modules/pam_cracklib/Makefile.am (README): Likewise. + * modules/pam_debug/Makefile.am (README): Likewise. + * modules/pam_deny/Makefile.am (README): Likewise. + * modules/pam_echo/Makefile.am (README): Likewise. + * modules/pam_env/Makefile.am (README): Likewise. + * modules/pam_exec/Makefile.am (README): Likewise. + * modules/pam_faildelay/Makefile.am (README): Likewise. + * modules/pam_filter/Makefile.am (README): Likewise. + * modules/pam_ftp/Makefile.am (README): Likewise. + * modules/pam_group/Makefile.am (README): Likewise. + * modules/pam_issue/Makefile.am (README): Likewise. + * modules/pam_keyinit/Makefile.am (README): Likewise. + * modules/pam_lastlog/Makefile.am (README): Likewise. + * modules/pam_limits/Makefile.am (README): Likewise. + * modules/pam_listfile/Makefile.am (README): Likewise. + * modules/pam_localuser/Makefile.am (README): Likewise. + * modules/pam_loginuid/Makefile.am (README): Likewise. + * modules/pam_mail/Makefile.am (README): Likewise. + * modules/pam_mkhomedir/Makefile.am (README): Likewise. + * modules/pam_motd/Makefile.am (README): Likewise. + * modules/pam_namespace/Makefile.am (README): Likewise. + * modules/pam_nologin/Makefile.am (README): Likewise. + * modules/pam_permit/Makefile.am (README): Likewise. + * modules/pam_pwhistory/Makefile.am (README): Likewise. + * modules/pam_rhosts/Makefile.am (README): Likewise. + * modules/pam_rootok/Makefile.am (README): Likewise. + * modules/pam_securetty/Makefile.am (README): Likewise. + * modules/pam_selinux/Makefile.am (README): Likewise. + * modules/pam_sepermit/Makefile.am (README): Likewise. + * modules/pam_setquota/Makefile.am (README): Likewise. + * modules/pam_shells/Makefile.am (README): Likewise. + * modules/pam_succeed_if/Makefile.am (README): Likewise. + * modules/pam_tally/Makefile.am (README): Likewise. + * modules/pam_tally2/Makefile.am (README): Likewise. + * modules/pam_time/Makefile.am (README): Likewise. + * modules/pam_timestamp/Makefile.am (README): Likewise. + * modules/pam_tty_audit/Makefile.am (README): Likewise. + * modules/pam_umask/Makefile.am (README): Likewise. + * modules/pam_unix/Makefile.am (README): Likewise. + * modules/pam_userdb/Makefile.am (README): Likewise. + * modules/pam_usertype/Makefile.am (README): Likewise. + * modules/pam_warn/Makefile.am (README): Likewise. + * modules/pam_wheel/Makefile.am (README): Likewise. + * modules/pam_xauth/Makefile.am (README): Likewise. + +2020-04-27 Dmitry V. Levin + + modules/*/Makefile.am: list prerequisites of README target uniformly. + There is no need to list prerequisites of README targets manually as + all README targets depend on $(XMLS). + + The change is performed automatically using the following script: + sed -i 's/^README: pam_.*/README: $(XMLS)/' modules/*/Makefile.am + + * modules/pam_access/Makefile.am (README): Replace pam_access.8.xml + and access.conf.5.xml with $(XMLS). + * modules/pam_cracklib/Makefile.am (README): Replace pam_cracklib.8.xml + with $(XMLS). + * modules/pam_debug/Makefile.am (README): Replace pam_debug.8.xml + with $(XMLS). + * modules/pam_deny/Makefile.am (README): Replace pam_deny.8.xml + with $(XMLS). + * modules/pam_echo/Makefile.am (README): Replace pam_echo.8.xml + with $(XMLS). + * modules/pam_env/Makefile.am (README): Replace pam_env.8.xml and + pam_env.conf.5.xml with $(XMLS). + * modules/pam_exec/Makefile.am (README): Replace pam_exec.8.xml + with $(XMLS). + * modules/pam_faildelay/Makefile.am (README): Replace + pam_faildelay.8.xml with $(XMLS). + * modules/pam_filter/Makefile.am (README): Replace pam_filter.8.xml + with $(XMLS). + * modules/pam_ftp/Makefile.am (README): Replace pam_ftp.8.xml with + $(XMLS). + * modules/pam_group/Makefile.am (README): Replace pam_group.8.xml + and group.conf.5.xml with $(XMLS). + * modules/pam_issue/Makefile.am (README): Replace pam_issue.8.xml + with $(XMLS). + * modules/pam_keyinit/Makefile.am (README): Replace pam_keyinit.8.xml + with $(XMLS). + * modules/pam_lastlog/Makefile.am (README): Replace pam_lastlog.8.xml + with $(XMLS). + * modules/pam_limits/Makefile.am (README): Replace pam_limits.8.xml + and limits.conf.5.xml with $(XMLS). + * modules/pam_listfile/Makefile.am (README): Replace pam_listfile.8.xml + with $(XMLS). + * modules/pam_localuser/Makefile.am (README): Replace + pam_localuser.8.xml with $(XMLS). + * modules/pam_loginuid/Makefile.am (README): Replace pam_loginuid.8.xml + with $(XMLS). + * modules/pam_mail/Makefile.am (README): Replace pam_mail.8.xml + with $(XMLS). + * modules/pam_mkhomedir/Makefile.am (README): Replace + pam_mkhomedir.8.xml with $(XMLS). + * modules/pam_motd/Makefile.am (README): Replace pam_motd.8.xml + with $(XMLS). + * modules/pam_namespace/Makefile.am (README): Replace + pam_namespace.8.xml, namespace.conf.5.xml, + and pam_namespace_helper.8.xml with $(XMLS). + * modules/pam_nologin/Makefile.am (README): Replace pam_nologin.8.xml + with $(XMLS). + * modules/pam_permit/Makefile.am (README): Replace pam_permit.8.xml + with $(XMLS). + * modules/pam_pwhistory/Makefile.am (README): Replace + pam_pwhistory.8.xml with $(XMLS). + * modules/pam_rhosts/Makefile.am (README): Replace pam_rhosts.8.xml + with $(XMLS). + * modules/pam_rootok/Makefile.am (README): Replace pam_rootok.8.xml + with $(XMLS). + * modules/pam_securetty/Makefile.am (README): Replace + pam_securetty.8.xml with $(XMLS). + * modules/pam_selinux/Makefile.am (README): Replace pam_selinux.8.xml + with $(XMLS). + * modules/pam_sepermit/Makefile.am (README): Replace pam_sepermit.8.xml + with $(XMLS). + * modules/pam_setquota/Makefile.am (README): Replace pam_setquota.8.xml + with $(XMLS). + * modules/pam_shells/Makefile.am (README): Replace pam_shells.8.xml + with $(XMLS). + * modules/pam_succeed_if/Makefile.am (README): Replace + pam_succeed_if.8.xml with $(XMLS). + * modules/pam_tally/Makefile.am (README): Replace pam_tally.8.xml + with $(XMLS). + * modules/pam_tally2/Makefile.am (README): Replace pam_tally2.8.xml + with $(XMLS). + * modules/pam_time/Makefile.am (README): Replace pam_time.8.xml and + time.conf.5.xml with $(XMLS). + * modules/pam_timestamp/Makefile.am (README): Replace + pam_timestamp.8.xml with $(XMLS). + * modules/pam_tty_audit/Makefile.am (README): Replace + pam_tty_audit.8.xml with $(XMLS). + * modules/pam_umask/Makefile.am (README): Replace pam_umask.8.xml + with $(XMLS). + * modules/pam_unix/Makefile.am (README): Replace pam_unix.8.xml + with $(XMLS). + * modules/pam_userdb/Makefile.am (README): Replace pam_userdb.8.xml + with $(XMLS). + * modules/pam_usertype/Makefile.am (README): Replace pam_usertype.8.xml + with $(XMLS). + * modules/pam_warn/Makefile.am (README): Replace pam_warn.8.xml + with $(XMLS). + * modules/pam_wheel/Makefile.am (README): Replace pam_wheel.8.xml + with $(XMLS). + * modules/pam_xauth/Makefile.am (README): Replace pam_xauth.8.xml + with $(XMLS). + +2020-04-27 Dmitry V. Levin + + modules/*/Makefile.am: list secureconf_DATA files in EXTRA_DIST uniformly + The change was prepared using the following script: + git grep -l secureconf_DATA modules/*/Makefile.am |while read m; do + t="$(sed '/^secureconf_DATA = /!d;s///;q' -- "$m")" + sed -i "/^EXTRA_DIST =/ s/\\<$t\\>/\$(secureconf_DATA)/" -- "$m" + done + + * modules/pam_access/Makefile.am (EXTRA_DIST): Replace access.conf with + $(secureconf_DATA). + * modules/pam_env/Makefile.am (EXTRA_DIST): Replace pam_env.conf with + $(secureconf_DATA). + * modules/pam_group/Makefile.am (EXTRA_DIST): Replace group.conf with + $(secureconf_DATA). + * modules/pam_limits/Makefile.am (EXTRA_DIST): Replace limits.conf with + $(secureconf_DATA). + * modules/pam_namespace/Makefile.am (EXTRA_DIST): Replace namespace.conf + with $(secureconf_DATA). + * modules/pam_sepermit/Makefile.am (EXTRA_DIST): Replace sepermit.conf + with $(secureconf_DATA). + * modules/pam_time/Makefile.am (EXTRA_DIST): Replace time.conf with + $(secureconf_DATA). + +2020-04-27 Dmitry V. Levin + + modules/*/Makefile.am: list manual pages in EXTRA_DIST uniformly. + List in EXTRA_DIST those manual pages that are listed in man_MANS + as $(MANS). + + * modules/pam_cracklib/Makefile.am (EXTRA_DIST): Replace pam_cracklib.8 + with $(MANS). + * modules/pam_keyinit/Makefile.am (EXTRA_DIST): Replace pam_keyinit.8 + with $(MANS). + * modules/pam_selinux/Makefile.am (EXTRA_DIST): Replace pam_selinux.8 + with $(MANS). + * modules/pam_sepermit/Makefile.am (EXTRA_DIST): Replace pam_sepermit.8 + and sepermit.conf.5 with $(MANS). + * modules/pam_tty_audit/Makefile.am (EXTRA_DIST): Replace + pam_tty_audit.8 with $(MANS). + * modules/pam_userdb/Makefile.am (EXTRA_DIST): Replace pam_userdb.8 with + $(MANS). + +2020-04-27 Dmitry V. Levin + + modules/*/Makefile.am: list tests in EXTRA_DIST uniformly. + The change was prepared using the following script: + git grep -l '^TESTS = tst-pam_' modules/ |while read m; do + t="$(sed '/^TESTS = tst-pam_/!d;s/^TESTS = //;q' -- "$m")" + sed -i "/^EXTRA_DIST =/ s/$t\\>/\$(TESTS)/" -- "$m" + done + + * modules/pam_access/Makefile.am (EXTRA_DIST): Replace tst-pam_access + with $(TESTS). + * modules/pam_cracklib/Makefile.am (EXTRA_DIST): Replace + tst-pam_cracklib with $(TESTS). + * modules/pam_debug/Makefile.am (EXTRA_DIST): Replace tst-pam_debug with + $(TESTS). + * modules/pam_deny/Makefile.am (EXTRA_DIST): Replace tst-pam_deny with + $(TESTS). + * modules/pam_echo/Makefile.am (EXTRA_DIST): Replace tst-pam_echo with + $(TESTS). + * modules/pam_env/Makefile.am (EXTRA_DIST): Replace tst-pam_env with + $(TESTS). + * modules/pam_exec/Makefile.am (EXTRA_DIST): Replace tst-pam_exec with + $(TESTS). + * modules/pam_faildelay/Makefile.am (EXTRA_DIST): Replace + tst-pam_faildelay with $(TESTS). + * modules/pam_filter/Makefile.am (EXTRA_DIST): Replace tst-pam_filter + with $(TESTS). + * modules/pam_ftp/Makefile.am (EXTRA_DIST): Replace tst-pam_ftp with + $(TESTS). + * modules/pam_group/Makefile.am (EXTRA_DIST): Replace tst-pam_group with + $(TESTS). + * modules/pam_issue/Makefile.am (EXTRA_DIST): Replace tst-pam_issue with + $(TESTS). + * modules/pam_keyinit/Makefile.am (EXTRA_DIST): Replace tst-pam_keyinit + with $(TESTS). + * modules/pam_lastlog/Makefile.am (EXTRA_DIST): Replace tst-pam_lastlog + with $(TESTS). + * modules/pam_limits/Makefile.am (EXTRA_DIST): Replace tst-pam_limits + with $(TESTS). + * modules/pam_listfile/Makefile.am (EXTRA_DIST): Replace + tst-pam_listfile with $(TESTS). + * modules/pam_localuser/Makefile.am (EXTRA_DIST): Replace + tst-pam_localuser with $(TESTS). + * modules/pam_loginuid/Makefile.am (EXTRA_DIST): Replace + tst-pam_loginuid with $(TESTS). + * modules/pam_mail/Makefile.am (EXTRA_DIST): Replace tst-pam_mail with + $(TESTS). + * modules/pam_mkhomedir/Makefile.am (EXTRA_DIST): Replace + tst-pam_mkhomedir with $(TESTS). + * modules/pam_motd/Makefile.am (EXTRA_DIST): Replace tst-pam_motd with + $(TESTS). + * modules/pam_namespace/Makefile.am (EXTRA_DIST): Replace + tst-pam_namespace with $(TESTS). + * modules/pam_nologin/Makefile.am (EXTRA_DIST): Replace tst-pam_nologin + with $(TESTS). + * modules/pam_permit/Makefile.am (EXTRA_DIST): Replace tst-pam_permit + with $(TESTS). + * modules/pam_pwhistory/Makefile.am (EXTRA_DIST): Replace + tst-pam_pwhistory with $(TESTS). + * modules/pam_rhosts/Makefile.am (EXTRA_DIST): Replace tst-pam_rhosts + with $(TESTS). + * modules/pam_rootok/Makefile.am (EXTRA_DIST): Replace tst-pam_rootok + with $(TESTS). + * modules/pam_securetty/Makefile.am (EXTRA_DIST): Replace + tst-pam_securetty with $(TESTS). + * modules/pam_sepermit/Makefile.am (EXTRA_DIST): Replace + tst-pam_sepermit with $(TESTS). + * modules/pam_setquota/Makefile.am (EXTRA_DIST): Replace + tst-pam_setquota with $(TESTS). + * modules/pam_shells/Makefile.am (EXTRA_DIST): Replace tst-pam_shells + with $(TESTS). + * modules/pam_stress/Makefile.am (EXTRA_DIST): Replace tst-pam_stress + with $(TESTS). + * modules/pam_succeed_if/Makefile.am (EXTRA_DIST): Replace + tst-pam_succeed_if with $(TESTS). + * modules/pam_tally/Makefile.am (EXTRA_DIST): Replace tst-pam_tally with + $(TESTS). + * modules/pam_tally2/Makefile.am (EXTRA_DIST): Replace tst-pam_tally2 + with $(TESTS). + * modules/pam_time/Makefile.am (EXTRA_DIST): Replace tst-pam_time with + $(TESTS). + * modules/pam_tty_audit/Makefile.am (EXTRA_DIST): Replace + tst-pam_tty_audit with $(TESTS). + * modules/pam_umask/Makefile.am (EXTRA_DIST): Replace tst-pam_umask with + $(TESTS). + * modules/pam_userdb/Makefile.am (EXTRA_DIST): Replace tst-pam_userdb + with $(TESTS). + * modules/pam_usertype/Makefile.am (EXTRA_DIST): Replace + tst-pam_usertype with $(TESTS). + * modules/pam_warn/Makefile.am (EXTRA_DIST): Replace tst-pam_warn with + $(TESTS). + * modules/pam_wheel/Makefile.am (EXTRA_DIST): Replace tst-pam_wheel with + $(TESTS). + * modules/pam_xauth/Makefile.am (EXTRA_DIST): Replace tst-pam_xauth with + $(TESTS). + +2020-04-27 Dmitry V. Levin + + pam_namespace: simplify distribution of manual pages. + * modules/pam_namespace/Makefile.am: Merge MAN5 and MAN8 into man_MANS. + +2020-04-27 Dmitry V. Levin + + modules/*/Makefile.am: remove manual pages from noinst_DATA. + Manual pages already belong to man_MANS, listing them also + in noinst_DATA does not help in any way. + + * modules/pam_cracklib/Makefile.am (noinst_DATA): Remove pam_cracklib.8. + * modules/pam_selinux/Makefile.am (noinst_DATA): Remove pam_selinux.8. + * modules/pam_sepermit/Makefile.am (noinst_DATA): Remove pam_sepermit.8 + and sepermit.conf.5. + * modules/pam_userdb/Makefile.am (noinst_DATA): Remove pam_userdb.8. + +2020-04-27 Dmitry V. Levin + + configure: fix dlopen check. + * configure.ac: Check for the library providing dlopen using + AC_SEARCH_LIBS instead of AC_CHECK_LIB to handle the case when + dlopen is a part of libc. + + configure: add --disable-tally and --disable-tally2 options. + * configure.ac (AC_ARG_ENABLE): Add tally and tally2. + (AM_CONDITIONAL): Add COND_BUILD_PAM_TALLY and COND_BUILD_PAM_TALLY2. + * modules/Makefile.am [COND_BUILD_PAM_TALLY] (MAYBE_PAM_TALLY): Define. + [COND_BUILD_PAM_TALLY2] (MAYBE_PAM_TALLY2): Likewise. + (SUBDIRS): Replace pam_tally with $(COND_BUILD_PAM_TALLY), pam_tally2 + with $(COND_BUILD_PAM_TALLY2). + +2020-04-26 Dmitry V. Levin + + build: move pam_selinux and pam_sepermit build conditions to modules/Makefile.am + * configure.ac (AM_CONDITIONAL): Replace HAVE_LIBSELINUX with + COND_BUILD_PAM_SELINUX and COND_BUILD_PAM_SEPERMIT. + * modules/Makefile.am [COND_BUILD_PAM_SELINUX] (MAYBE_PAM_SELINUX): + Define. + [COND_BUILD_PAM_SEPERMIT] (MAYBE_PAM_SEPERMIT): Likewise. + (SUBDIRS): Replace pam_selinux with $(MAYBE_PAM_SELINUX), + pam_sepermit with MAYBE_PAM_SEPERMIT. + * modules/pam_selinux/Makefile.am: Assume HAVE_LIBSELINUX. + * modules/pam_sepermit/Makefile.am: Likewise. + + build: simplify the check for unshare function. + * configure.ac (AC_CHECK_FUNCS): Do not set UNSHARE when checking for + unshare function. + (COND_BUILD_PAM_NAMESPACE): Check for $ac_cv_func_unshare instead of + $UNSHARE. + + build: move pam_namespace build condition to modules/Makefile.am. + * configure.ac (AM_CONDITIONAL): Replace HAVE_UNSHARE with + COND_BUILD_PAM_NAMESPACE. + * modules/Makefile.am [COND_BUILD_PAM_NAMESPACE] (MAYBE_PAM_NAMESPACE): + Define. + (SUBDIRS): Replace pam_namespace with $(MAYBE_PAM_NAMESPACE). + * modules/pam_namespace/Makefile.am: Assume HAVE_UNSHARE. + + build: move pam_userdb build condition to modules/Makefile.am. + * configure.ac (AM_CONDITIONAL): Replace HAVE_LIBDB with + COND_BUILD_PAM_USERDB. + * modules/Makefile.am [COND_BUILD_PAM_USERDB] (MAYBE_PAM_USERDB): + Define. + (SUBDIRS): Replace pam_userdb with $(MAYBE_PAM_USERDB). + * modules/pam_userdb/Makefile.am: Assume HAVE_LIBDB. + + build: remove unused HAVE_LIBCRACK. + * configure.ac (AC_DEFINE): Remove unused HAVE_LIBCRACK. + + build: move pam_cracklib build condition to modules/Makefile.am. + * configure.ac (AM_CONDITIONAL): Replace HAVE_LIBCRACK with + COND_BUILD_PAM_CRACKLIB. + * modules/Makefile.am [COND_BUILD_PAM_CRACKLIB] (MAYBE_PAM_CRACKLIB): + Define. + (SUBDIRS): Replace pam_cracklib with $(MAYBE_PAM_CRACKLIB). + * modules/pam_cracklib/Makefile.am: Assume HAVE_LIBCRACK. + + build: remove unused HAVE_KEY_MANAGEMENT. + * configure.ac (AC_DEFINE, AC_SUBST): Remove unused HAVE_KEY_MANAGEMENT. + (AC_CHECK_DECL): Remove unused ENOKEY. + + build: move pam_keyinit build condition to modules/Makefile.am. + * configure.ac (AM_CONDITIONAL): Replace HAVE_KEY_MANAGEMENT with + COND_BUILD_PAM_KEYINIT. + * modules/Makefile.am [COND_BUILD_PAM_KEYINIT] (MAYBE_PAM_KEYINIT): + Define. + (SUBDIRS): Replace pam_keyinit with $(MAYBE_PAM_KEYINIT). + * modules/pam_keyinit/Makefile.am: Assume HAVE_KEY_MANAGEMENT. + + build: remove unused AC_DEFINE([HAVE_AUDIT_TTY_STATUS]) + * configure.ac (AC_DEFINE): Remove unused HAVE_AUDIT_TTY_STATUS. + + build: move pam_tty_audit build condition to modules/Makefile.am. + * configure.ac (AM_CONDITIONAL): Replace HAVE_AUDIT_TTY_STATUS with + COND_BUILD_PAM_TTY_AUDIT. + * modules/Makefile.am [COND_BUILD_PAM_TTY_AUDIT] (MAYBE_PAM_TTY_AUDIT): + Define. + (SUBDIRS): Replace pam_tty_audit with $(MAYBE_PAM_TTY_AUDIT). + * modules/pam_tty_audit/Makefile.am: Assume HAVE_AUDIT_TTY_STATUS. + + configure.ac: sort COND_BUILD_* conditionals. + ... and move them closer to the end of configure.ac. + +2020-04-26 Dmitry V. Levin + + modules/Makefile.am: sort SUBDIRS. + Also list one element of SUBDIRS per line for the ease of maintenance. + + * modules/Makefile.am (SUBDIRS): List one per line, sort. + +2020-04-26 Dmitry V. Levin + + ci: add gcc-10 jobs. + * .github/workflows/ci.yml (gcc10-x86_64, gcc10-x86, gcc10-x32): + New jobs. + * .travis.yml (matrix): Add gcc-10 jobs on x86_64, x86, x32, + and ppc64le. + +2020-04-26 Dmitry V. Levin + + pam_issue: fix potential read out of bounds. + Reported by gcc-10 -Warray-bounds: + + In file included from /usr/include/string.h:494, + from modules/pam_issue/pam_issue.c:19: + In function 'strncat', + inlined from 'read_issue_quoted' at modules/pam_issue/pam_issue.c:197:3: + /usr/include/x86_64-linux-gnu/bits/string_fortified.h:136:10: error: '__builtin___strncat_chk' offset [260, 389] from the object at 'uts' is out of the bounds of referenced subobject 'version' with type 'char[65]' at offset 195 [-Werror=array-bounds] + 136 | return __builtin___strncat_chk (__dest, __src, __len, __bos (__dest)); + | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + In file included from modules/pam_issue/pam_issue.c:26: + modules/pam_issue/pam_issue.c: In function 'read_issue_quoted': + /usr/include/x86_64-linux-gnu/sys/utsname.h:59:10: note: subobject 'version' declared here + 59 | char version[_UTSNAME_VERSION_LENGTH]; + | ^~~~~~~ + In file included from /usr/include/string.h:494, + from modules/pam_issue/pam_issue.c:19: + In function 'strncat', + inlined from 'read_issue_quoted' at modules/pam_issue/pam_issue.c:188:3: + /usr/include/x86_64-linux-gnu/bits/string_fortified.h:136:10: error: '__builtin___strncat_chk' offset [65, 389] from the object at 'uts' is out of the bounds of referenced subobject 'sysname' with type 'char[65]' at offset 0 [-Werror=array-bounds] + 136 | return __builtin___strncat_chk (__dest, __src, __len, __bos (__dest)); + | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + In file included from modules/pam_issue/pam_issue.c:26: + modules/pam_issue/pam_issue.c: In function 'read_issue_quoted': + /usr/include/x86_64-linux-gnu/sys/utsname.h:51:10: note: subobject 'sysname' declared here + 51 | char sysname[_UTSNAME_SYSNAME_LENGTH]; + | ^~~~~~~ + In file included from /usr/include/string.h:494, + from modules/pam_issue/pam_issue.c:19: + In function 'strncat', + inlined from 'read_issue_quoted' at modules/pam_issue/pam_issue.c:194:3: + /usr/include/x86_64-linux-gnu/bits/string_fortified.h:136:10: error: '__builtin___strncat_chk' offset [195, 389] from the object at 'uts' is out of the bounds of referenced subobject 'release' with type 'char[65]' at offset 130 [-Werror=array-bounds] + 136 | return __builtin___strncat_chk (__dest, __src, __len, __bos (__dest)); + | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + In file included from modules/pam_issue/pam_issue.c:26: + modules/pam_issue/pam_issue.c: In function 'read_issue_quoted': + /usr/include/x86_64-linux-gnu/sys/utsname.h:57:10: note: subobject 'release' declared here + 57 | char release[_UTSNAME_RELEASE_LENGTH]; + | ^~~~~~~ + In file included from /usr/include/string.h:494, + from modules/pam_issue/pam_issue.c:19: + In function 'strncat', + inlined from 'read_issue_quoted' at modules/pam_issue/pam_issue.c:191:3: + /usr/include/x86_64-linux-gnu/bits/string_fortified.h:136:10: error: '__builtin___strncat_chk' offset [130, 389] from the object at 'uts' is out of the bounds of referenced subobject 'nodename' with type 'char[65]' at offset 65 [-Werror=array-bounds] + 136 | return __builtin___strncat_chk (__dest, __src, __len, __bos (__dest)); + | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + In file included from modules/pam_issue/pam_issue.c:26: + modules/pam_issue/pam_issue.c: In function 'read_issue_quoted': + /usr/include/x86_64-linux-gnu/sys/utsname.h:54:10: note: subobject 'nodename' declared here + 54 | char nodename[_UTSNAME_NODENAME_LENGTH]; + | ^~~~~~~~ + In file included from /usr/include/string.h:494, + from modules/pam_issue/pam_issue.c:19: + In function 'strncat', + inlined from 'read_issue_quoted' at modules/pam_issue/pam_issue.c:200:3: + /usr/include/x86_64-linux-gnu/bits/string_fortified.h:136:10: error: '__builtin___strncat_chk' offset [325, 389] from the object at 'uts' is out of the bounds of referenced subobject 'machine' with type 'char[65]' at offset 260 [-Werror=array-bounds] + 136 | return __builtin___strncat_chk (__dest, __src, __len, __bos (__dest)); + | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + In file included from modules/pam_issue/pam_issue.c:26: + modules/pam_issue/pam_issue.c: In function 'read_issue_quoted': + /usr/include/x86_64-linux-gnu/sys/utsname.h:62:10: note: subobject 'machine' declared here + 62 | char machine[_UTSNAME_MACHINE_LENGTH]; + | ^~~~~~~ + + * modules/pam_issue/pam_issue.c (read_issue_quoted): Rewrite to avoid + strncat from potentially not null-terminated string buffer fields + of struct utsname. + +2020-04-26 Dmitry V. Levin + + pam_motd: fix NULL dereference when at least one of motd directories is not available + * modules/pam_motd/pam_motd.c + (try_to_display_directories_with_overrides): Do not assign -1U to + dirscans_sizes[i] when scandir(motd_dir_path_split[i]) returns an error. + + Resolves: https://bugzilla.altlinux.org/38389 + Fixes: d57ab221 ("pam_motd: Cleanup the code and avoid unnecessary logging") + +2020-04-26 Dmitry V. Levin + + pam_motd: cleanup calloc invocations. + Apply the following calloc invocation idiom: + ptr = calloc(nmemb, sizeof(*ptr)); + + * modules/pam_motd/pam_motd.c (pam_split_string, + try_to_display_directories_with_overrides): Cleanup calloc invocations. + + Fixes: f9c9c721 ("pam_motd: Support multiple motd paths specified, with filename overrides (#69)") + +2020-04-26 Dmitry V. Levin + + pam_motd: fix NULL dereference on error path. + * modules/pam_motd/pam_motd.c + (try_to_display_directories_with_overrides): Do not access + elements of dirscans_sizes array if dirscans_sizes == NULL + due to an earlier memory allocation error. + + Fixes: f9c9c721 ("pam_motd: Support multiple motd paths specified, with filename overrides (#69)") + +2020-04-26 Dmitry V. Levin + + pam_motd: remove redundant return statement. + * modules/pam_motd/pam_motd.c + (try_to_display_directories_with_overrides): Remove return statement + at the end of the function returning void. + + Fixes: f9c9c721 ("pam_motd: Support multiple motd paths specified, with filename overrides (#69)") + +2020-04-26 Dmitry V. Levin + + pam_motd: remove redundant prefix from syslog messages. + pam_syslog already does all the prefixing we need. + + * modules/pam_motd/pam_motd.c (pam_split_string, + try_to_display_directories_with_overrides): Remove "pam_motd: " prefix + from strings passed to pam_syslog. + + Fixes: f9c9c721 ("pam_motd: Support multiple motd paths specified, with filename overrides (#69)") + +2020-04-26 Dmitry V. Levin + + pam_motd: fix memory leak. + pam_motd used to leak memory allocated for each motd file + successfully opened in try_to_display_directories_with_overrides. + + * modules/pam_motd/pam_motd.c + (try_to_display_directories_with_overrides): Free abs_path. + + Fixes: f9c9c721 ("pam_motd: Support multiple motd paths specified, with filename overrides (#69)") + +2020-04-26 Dmitry V. Levin + + pam_motd: fix misleading error diagnostics. + Do not invoke calloc with the first argument equal to zero as the return + value can be NULL which is undistinguishable from memory allocation + error. + + * modules/pam_motd/pam_motd.c + (try_to_display_directories_with_overrides): Skip if there are no + directory entries (dirscans_size_total == 0). + + Fixes: f9c9c721 ("pam_motd: Support multiple motd paths specified, with filename overrides (#69)") + +2020-04-26 Dmitry V. Levin + + pam_motd: do not zero the memory allocated by calloc. + As dirnames_all is allocated with calloc, zeroing it out is pointless. + + * modules/pam_motd/pam_motd.c + (try_to_display_directories_with_overrides): Remove redundant zeroing + of dirnames_all. + + Fixes: f9c9c721 ("pam_motd: Support multiple motd paths specified, with filename overrides (#69)") + +2020-04-26 Dmitry V. Levin + + build: cleanup: do not add -DWITH_SELINUX to CFLAGS. + As WITH_SELINUX is already AC_DEFINE'd in configure.ac, + there is no point in adding -DWITH_SELINUX to CFLAGS. + + * libpam/Makefile.am [HAVE_LIBSELINUX] (AM_CFLAGS): Do not add + -DWITH_SELINUX. + * modules/pam_rootok/Makefile.am: Likewise. + * modules/pam_unix/Makefile.am: Likewise. + +2020-04-26 Dmitry V. Levin + + build: cleanup: replace "test ! -z" with "test -n" + * configure.ac: replace "test ! -z" with "test -n". + +2020-04-24 Dmitry V. Levin + + pam_filter: fix potential off-by-one heap buffer overflow. + Reported by gcc-10 -Wstringop-overflow: + + In file included from /usr/include/string.h:494, + from modules/pam_filter/pam_filter.c:14: + In function 'strcpy', + inlined from 'process_args' at modules/pam_filter/pam_filter.c:137:2, + inlined from 'need_a_filter.isra' at modules/pam_filter/pam_filter.c:618:12: + /usr/include/x86_64-linux-gnu/bits/string_fortified.h:90:10: warning: '__builtin_memcpy' writing 6 bytes into a region of size 5 [-Wstringop-overflow=] + 90 | return __builtin___strcpy_chk (__dest, __src, __bos (__dest)); + | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + modules/pam_filter/pam_filter.c: In function 'need_a_filter.isra': + modules/pam_filter/pam_filter.c:128:21: note: at offset 0 to an object with size 5 allocated by 'malloc' here + 128 | levp[0] = (char *) malloc(size); + | ^~~~~~~~~~~~ + + * modules/pam_filter/pam_filter.c (process_args): Fix off-by-one heap + buffer overflow in case of a filter without arguments (argc == 0). + +2020-04-24 Dmitry V. Levin + + pam_setquota: remove PAM_EXTERN and PAM_STATIC parts. + In other modules they were removed by commit Linux-PAM-1.3.0~14. + + * modules/pam_setquota/pam_setquota.c: Remove PAM_EXTERN and PAM_STATIC + parts. + +2020-04-24 Dmitry V. Levin + + pam_setquota: fix more harmless compilation warnings. + On ppc64le the compiler complains with the following diagnostics: + + pam_setquota.c: In function 'debug': + pam_setquota.c:48:59: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 6 has type '__u64' {aka 'const long unsigned int'} [-Wformat=] + 48 | pam_syslog(pamh, LOG_DEBUG, "%s device=%s bsoftlimit=%llu bhardlimit=%llu " + | ~~~^ + | | + | long long unsigned int + | %lu + ...... + 51 | p->dqb_bsoftlimit, p->dqb_bhardlimit, + | ~~~~~~~~~~~~~~~~~ + | | + | __u64 {aka const long unsigned int} + pam_setquota.c:48:75: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 7 has type '__u64' {aka 'const long unsigned int'} [-Wformat=] + 48 | pam_syslog(pamh, LOG_DEBUG, "%s device=%s bsoftlimit=%llu bhardlimit=%llu " + | ~~~^ + | | + | long long unsigned int + | %lu + ...... + 51 | p->dqb_bsoftlimit, p->dqb_bhardlimit, + | ~~~~~~~~~~~~~~~~~ + | | + | __u64 {aka const long unsigned int} + pam_setquota.c:48:31: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 8 has type '__u64' {aka 'const long unsigned int'} [-Wformat=] + 48 | pam_syslog(pamh, LOG_DEBUG, "%s device=%s bsoftlimit=%llu bhardlimit=%llu " + | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + ...... + 52 | p->dqb_isoftlimit, p->dqb_ihardlimit, + | ~~~~~~~~~~~~~~~~~ + | | + | __u64 {aka const long unsigned int} + pam_setquota.c:49:46: note: format string is defined here + 49 | "isoftlimit=%llu ihardlimit=%llu btime=%llu itime=%llu", + | ~~~^ + | | + | long long unsigned int + | %lu + pam_setquota.c:48:31: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 9 has type '__u64' {aka 'const long unsigned int'} [-Wformat=] + 48 | pam_syslog(pamh, LOG_DEBUG, "%s device=%s bsoftlimit=%llu bhardlimit=%llu " + | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + ...... + 52 | p->dqb_isoftlimit, p->dqb_ihardlimit, + | ~~~~~~~~~~~~~~~~~ + | | + | __u64 {aka const long unsigned int} + pam_setquota.c:49:62: note: format string is defined here + 49 | "isoftlimit=%llu ihardlimit=%llu btime=%llu itime=%llu", + | ~~~^ + | | + | long long unsigned int + | %lu + pam_setquota.c:48:31: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 10 has type '__u64' {aka 'const long unsigned int'} [-Wformat=] + 48 | pam_syslog(pamh, LOG_DEBUG, "%s device=%s bsoftlimit=%llu bhardlimit=%llu " + | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + ...... + 53 | p->dqb_btime, p->dqb_itime); + | ~~~~~~~~~~~~ + | | + | __u64 {aka const long unsigned int} + pam_setquota.c:49:73: note: format string is defined here + 49 | "isoftlimit=%llu ihardlimit=%llu btime=%llu itime=%llu", + | ~~~^ + | | + | long long unsigned int + | %lu + pam_setquota.c:48:31: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 11 has type '__u64' {aka 'const long unsigned int'} [-Wformat=] + 48 | pam_syslog(pamh, LOG_DEBUG, "%s device=%s bsoftlimit=%llu bhardlimit=%llu " + | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + ...... + 53 | p->dqb_btime, p->dqb_itime); + | ~~~~~~~~~~~~ + | | + | __u64 {aka const long unsigned int} + pam_setquota.c:49:84: note: format string is defined here + 49 | "isoftlimit=%llu ihardlimit=%llu btime=%llu itime=%llu", + | ~~~^ + | | + | long long unsigned int + | %lu + + * modules/pam_setquota/pam_setquota.c (debug): Cast fields of type __u64 + to unsigned long long. + +2020-04-24 Dmitry V. Levin + + pam_timestamp: include "config.h" in hmacsha1.c as the first header. + This ensures "config.h" is included before any system header + which fixes the following bug reported by ALT diagnostics: + + verify-elf: ERROR: ./lib/security/pam_timestamp.so: uses non-LFS functions: __fxstat open + + * modules/pam_timestamp/hmacsha1.c: Include "config.h". + +2020-04-24 Dmitry V. Levin + + libpamc.h: include "config.h" as the first header. + This ensures "config.h" is included before any system header included by + libpamc.h, which fixes the following bug reported by ALT diagnostics: + + verify-elf: ERROR: ./lib/libpamc.so.0.82.1: uses non-LFS functions: __xstat readdir + + * libpamc/libpamc.h: Include "config.h". + +2020-04-24 Dmitry V. Levin + + pam_setquota: apply WARN_CFLAGS. + All other modules already build with WARN_CFLAGS. + + * modules/pam_setquota/Makefile.am (AM_CFLAGS): Add $(WARN_CFLAGS). + +2020-04-24 Dmitry V. Levin + + pam_setquota: fix harmless compilation warnings. + Fix -Wunused-variable compilation warnings: + + pam_setquota.c: In function 'pam_sm_open_session': + pam_setquota.c:173:9: warning: unused variable 'ep' [-Wunused-variable] + 173 | char *ep, *val, *mntdevice = NULL; + | ^~ + pam_setquota.c:172:17: warning: unused variable 'ul' [-Wunused-variable] + 172 | unsigned long ul; + | ^~ + + Fix -Wunused-parameter compilation warnings: + + pam_setquota.c: In function 'pam_sm_open_session': + pam_setquota.c:169:60: warning: unused parameter 'flags' [-Wunused-parameter] + 169 | PAM_EXTERN int pam_sm_open_session(pam_handle_t *pamh, int flags, int argc, + | ~~~~^~~~~ + pam_setquota.c: In function 'pam_sm_close_session': + pam_setquota.c:382:40: warning: unused parameter 'pamh' [-Wunused-parameter] + 382 | int pam_sm_close_session(pam_handle_t *pamh, int flags, int argc, + | ~~~~~~~~~~~~~~^~~~ + pam_setquota.c:382:50: warning: unused parameter 'flags' [-Wunused-parameter] + 382 | int pam_sm_close_session(pam_handle_t *pamh, int flags, int argc, + | ~~~~^~~~~ + pam_setquota.c:382:61: warning: unused parameter 'argc' [-Wunused-parameter] + 382 | int pam_sm_close_session(pam_handle_t *pamh, int flags, int argc, + | ~~~~^~~~ + pam_setquota.c:383:39: warning: unused parameter 'argv' [-Wunused-parameter] + 383 | const char **argv) { + | ~~~~~~~~~~~~~^~~~ + + * modules/pam_setquota/pam_setquota.c (pam_sm_open_session): Mark + 'flags' parameter as unused. Remove unused 'ep' and 'ul' variables. + (pam_sm_close_session): Mark all parameters as unused. + +2020-04-18 OÄŸuz Ersen + + Translated using Weblate (Turkish) + Currently translated at 100.0% (120 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/tr/ + Resolves: https://github.com/linux-pam/linux-pam/pull/214 + +2020-04-17 Sven Hartge + + pam_setquota: new module to set or modify disk quotas on session start. + This makes disk quotas usable with central user databases, such as MySQL or + LDAP. + + Resolves: https://github.com/linux-pam/linux-pam/issues/92 + +2020-04-15 Dmitry V. Levin + + pam_access, pam_issue: do not assume that getdomainname always exists. + * modules/pam_access/pam_access.c (netgroup_match): Place the code + that calls getdomainname under HAVE_GETDOMAINNAME guard. + * modules/pam_issue/pam_issue.c (read_issue_quoted): Likewise. + + Resolves: https://github.com/linux-pam/linux-pam/issues/43 + +2020-04-13 OÄŸuz Ersen + + Translated using Weblate (Turkish) + Currently translated at 100.0% (120 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/tr/ + +2020-04-13 Ankit Behera + + Translated using Weblate (Odia) + Currently translated at 100.0% (120 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/or/ + +2020-04-12 Topi Miettinen + + pam_unix: modernize example in manual page. + According to crypt(5), md5 should not be used for new hashes. Let's + give a modern example with yescrypt. + +2020-04-10 Robert Antoni Buj Gelonch + + Translated using Weblate (Catalan) + Currently translated at 100.0% (120 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ca/ + Resolves: https://github.com/linux-pam/linux-pam/pull/207 + +2020-04-07 Dmitry V. Levin + + travis: remove faulty jobs. + * .travis.yml: Remove faulty gcc-9 jobs on aarch64 and s390x, + gcc-9 became uninstallable on these platforms several days ago + and hasn't been fixed yet. + +2020-04-07 Lucas Ramage + + pam_access: add an example of using groups in access.conf to permit access + Resolves: https://github.com/linux-pam/linux-pam/issues/65 + Resolves: https://github.com/linux-pam/linux-pam/pull/199 + +2020-04-07 Dmitry V. Levin + + github: add CI action. + Somewhat similar to Travis CI, this runs "make distcheck" on Ubuntu + 18.04 using gcc-9, gcc-8, gcc, clang-9, clang-8, and clang on x86_64, + x86, and x32 architectures. + + Compared with Travis CI, GitHub Actions service currently provides + a significantly better parallelism as well as (unsurprisingly) + better integration with github. + + However, GitHub Actions cannot replace Travis CI completely yet as + the latter can build on aarch64, s390x, and ppc64le architectures. + + * .github/workflows/whitespace-errors-check.yml: Remove + * .github/workflows/ci.yml: New file. + +2020-04-07 scootergrisen + + Translated using Weblate (Danish) + Currently translated at 100.0% (120 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/da/ + +2020-04-07 scootergrisen + + Translated using Weblate (Danish) + Currently translated at 100.0% (120 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/da/ + +2020-03-31 Petr Lautrbach + + pam_timestamp: Fix // in TIMESTAMPDIR. + _PATH_VARRUN already provides trailing slash for building paths + + Fixes: + $ strings /usr/lib64/security/pam_timestamp.so | grep /run/ + /var/run//pam_timestamp + /var/run//pam_timestamp/_pam_timestamp_key + +2020-03-30 James Ralston + + pam_unix: Return PAM_AUTHINFO_UNAVAIL when appropriate. + The pam_unix.so will never return PAM_AUTHINFO_UNAVAIL on systems + that use the unix_chkpwd helper. + + The reason is that in unix_chkpwd.c, towards the end of main(), if + helper_verify_password() does not return PAM_SUCCESS, main() ignores + the actual error that helper_verify_password() returned and instead + returns PAM_AUTH_ERR. + + This commit corrects this behavior. Specifically, if + helper_verify_password() returns PAM_USER_UNKNOWN, which it does + when /etc/passwd entry indicates that shadow information is present + but the /etc/shadow entry is missing, the unix_chkpwd now exits + with PAM_AUTHINFO_UNAVAIL. For any other error from + helper_verify_password(), unix_chkpwd continues to exit with + PAM_AUTH_ERR. + + * modules/pam_unix/unix_chkpwd.c (main): Return PAM_AUTHINFO_UNAVAIL + when helper_verify_password() returns PAM_USER_UNKNOWN. + +2020-03-28 Dmitry V. Levin + + Fix various typos found using codespell tool. + + po: semi-automatically fix translations of pam_get_authtok default prompts + Complements: 4daceedd ("pam_get_authtok: fix i18n of default prompts") + +2020-03-24 Dmitry V. Levin + + _pam_load_module: reduce redundancy. + * libpam/pam_handlers.c (_pam_load_module): Reorganize $ISA handling + to reduce redundancy. + + Resolves: https://github.com/linux-pam/linux-pam/pull/198 + +2020-03-24 blueskycs2c + + pam_time: add conffile option to specify an alternative configuration file + Resolves: https://github.com/linux-pam/linux-pam/pull/163 + Resolves: https://github.com/linux-pam/linux-pam/pull/191 + +2020-03-23 Alexander Zubkov + + pam_exec: require user name to be ready for the command. + pam_exec module can be called when a user name has not been prompted + yet. And thus the command is called without a user name available. + This fix asks PAM for the user name to ensure it is ready or to force + the prompt. + + Resolves: https://github.com/linux-pam/linux-pam/issues/131 + Resolves: https://github.com/linux-pam/linux-pam/pull/195 + +2020-03-23 Christian Göttsche + + pam_selinux: fall back to log to syslog if audit logging fails. + Resolves: https://github.com/linux-pam/linux-pam/pull/194 + + pam_selinux: sanitize asprintf argument on failure. + + pam_selinux: print additional information on failures. + + pam_selinux: convert send_audit_message to void function. + The result is nowhere checked and other logging functions like + pam_syslog are also not checked. + + pam_selinux: fix indentation. + +2020-03-23 Christian Göttsche + + pam_selinux: substitute legacy security_context_t type. + `security_context_t` is a legacy typedef to `char *`, substitute all usage. + + See + https://github.com/SELinuxProject/selinux/commit/9eb9c9327563014ad6a807814e7975424642d5b9 + https://github.com/SELinuxProject/selinux/blob/f8c110c8a615eb640510eab39640a0957a6ba19c/libselinux/include/selinux/selinux.h#L16 + +2020-03-20 Jiri Grönroos + + Translated using Weblate (Finnish) + Currently translated at 90.8% (109 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/fi/ + +2020-03-20 Dmitry V. Levin + + Translated using Weblate (Slovak) + Currently translated at 100.0% (120 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/sk/ + + Translated using Weblate (Czech) + + Currently translated at 100.0% (120 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/cs/ + + Translated using Weblate (French) + + Currently translated at 100.0% (120 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/fr/ + +2020-03-20 Yuri Chornoivan + + Translated using Weblate (Ukrainian) + Currently translated at 100.0% (120 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/uk/ + +2020-03-20 OÄŸuz Ersen + + Translated using Weblate (Turkish) + Currently translated at 100.0% (120 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/tr/ + +2020-03-20 Geert Warrink + + Translated using Weblate (Dutch) + Currently translated at 100.0% (120 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/nl/ + +2020-03-20 Julien Humbert + + Translated using Weblate (French) + Currently translated at 100.0% (120 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/fr/ + +2020-03-20 Dmitry V. Levin + + Translated using Weblate (Russian) + Currently translated at 100.0% (120 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ru/ + + Translated using Weblate (Portuguese (Brazil)) + + Currently translated at 100.0% (120 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/pt_BR/ + + Translated using Weblate (Portuguese) + + Currently translated at 100.0% (120 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/pt/ + + Translated using Weblate (German) + + Currently translated at 100.0% (120 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/de/ + +2020-03-20 Piotr DrÄ…g + + Translated using Weblate (Polish) + Currently translated at 100.0% (120 of 120 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/pl/ + +2020-03-19 Dmitry V. Levin + + modules/pam_userdb: use pam_str_skip_icase_prefix. + * modules/pam_userdb/pam_userdb.c: Include "pam_inline.h". + (_pam_parse, user_lookup): Use pam_str_skip_icase_prefix + instead of ugly strncasecmp invocations. + + modules/pam_umask: use pam_str_skip_icase_prefix. + * modules/pam_umask/pam_umask.c: Include "pam_inline.h". + (parse_option, setup_limits_from_gecos): Use pam_str_skip_icase_prefix + instead of ugly strncasecmp invocations. + + modules/pam_pwhistory: use pam_str_skip_icase_prefix. + * modules/pam_pwhistory/pam_pwhistory.c: Include "pam_inline.h". + (parse_option): Use pam_str_skip_icase_prefix instead of ugly + strncasecmp invocations. + + modules/pam_exec: use pam_str_skip_icase_prefix. + * modules/pam_exec/pam_exec.c (call_exec): Use pam_str_skip_icase_prefix + instead of ugly strncasecmp invocations. + +2020-03-19 Dmitry V. Levin + + Introduce pam_str_skip_icase_prefix_len and pam_str_skip_icase_prefix. + Every time I see a code like + if (strncasecmp(argv, "remember=", 9) == 0) + options->remember = strtol(&argv[9], NULL, 10); + my eyes are bleeding. + + Similar to pam_str_skip_prefix_len() and pam_str_skip_prefix(), + introduce a new helper inline function pam_str_skip_icase_prefix_len() + and a new macro pam_str_skip_icase_prefix() on top of it, to be used + in subsequent commits to cleanup the ugliness. + + * libpam/include/pam_inline.h (pam_str_skip_icase_prefix_len): New + function. + (pam_str_skip_icase_prefix): New macro. + +2020-03-19 Dmitry V. Levin + + modules/pam_xauth: use pam_str_skip_prefix. + * modules/pam_xauth/pam_xauth.c: Include "pam_inline.h". + (pam_sm_open_session, pam_sm_close_session): Use pam_str_skip_prefix + instead of ugly strncmp invocations. + + modules/pam_wheel: use pam_str_skip_prefix. + * modules/pam_wheel/pam_wheel.c: Include "pam_inline.h". + (_pam_parse): Use pam_str_skip_prefix instead of ugly strncmp + invocations. + +2020-03-19 Dmitry V. Levin + + modules/pam_unix: use pam_str_skip_prefix and pam_str_skip_prefix_len. + * modules/pam_unix/passverify.c: Include "pam_inline.h". + (verify_pwd_hash): Use pam_str_skip_prefix instead of ugly strncmp + invocations. + * modules/pam_unix/support.c: Include "pam_inline.h". + (_set_ctrl): Use pam_str_skip_prefix_len instead of hardcoding string + lengths. + * modules/pam_unix/md5_crypt.c: Include "pam_inline.h". + (crypt_md5): Use pam_str_skip_prefix_len. + + squash! modules/pam_unix: use pam_str_skip_prefix and pam_str_skip_prefix_len + +2020-03-19 Dmitry V. Levin + + modules/pam_tty_audit: use pam_str_skip_prefix. + * modules/pam_tty_audit/pam_tty_audit.c: Include "pam_inline.h". + (pam_sm_open_session): Use pam_str_skip_prefix instead of ugly strncmp + invocations. + + modules/pam_timestamp: use pam_str_skip_prefix. + * modules/pam_timestamp/pam_timestamp.c: Include "pam_inline.h". + (check_tty, get_timestamp_name, pam_sm_authenticate): Use + pam_str_skip_prefix instead of ugly strncmp invocations. + + modules/pam_tally: use pam_str_skip_prefix. + * modules/pam_tally/pam_tally.c: Include "pam_inline.h". + (tally_parse_args, getopts): Use pam_str_skip_prefix instead of ugly + strncmp invocations. + + modules/pam_tally2: use pam_str_skip_prefix. + * modules/pam_tally2/pam_tally2.c: Include "pam_inline.h". + (tally_parse_args, getopts): Use pam_str_skip_prefix instead of ugly + strncmp invocations. + + modules/pam_selinux: use pam_str_skip_prefix. + * modules/pam_selinux/pam_selinux.c: Include "pam_inline.h". + (compute_exec_context, compute_tty_context): Use pam_str_skip_prefix + instead of ugly strncmp invocations. + + modules/pam_securetty: use pam_str_skip_prefix and pam_str_skip_prefix_len + * modules/pam_securetty/pam_securetty.c: Include "pam_inline.h". + (securetty_perform_check): Use pam_str_skip_prefix and + pam_str_skip_prefix_len instead of ugly strncmp invocations. + + modules/pam_rhosts: use pam_str_skip_prefix. + * modules/pam_rhosts/pam_rhosts.c: Include "pam_inline.h". + (pam_sm_authenticate): Use pam_str_skip_prefix instead of ugly strncmp + invocations. + + modules/pam_nologin: use pam_str_skip_prefix. + * modules/pam_nologin/pam_nologin.c: Include "pam_inline.h". + (parse_args): Use pam_str_skip_prefix instead of ugly strncmp + invocations. + + modules/pam_namespace: use pam_str_skip_prefix. + * modules/pam_namespace/pam_namespace.c (root_shared): Use + pam_str_skip_prefix instead of ugly strncmp invocations. + + modules/pam_motd: use pam_str_skip_prefix. + * modules/pam_motd/pam_motd.c: Include "pam_inline.h". + (pam_sm_open_session): Use pam_str_skip_prefix instead of ugly strncmp + invocations. + + modules/pam_mkhomedir: use pam_str_skip_prefix. + * modules/pam_mkhomedir/pam_mkhomedir.c: Include "pam_inline.h". + (_pam_parse): Use pam_str_skip_prefix instead of ugly strncmp + invocations. + + modules/pam_mail: use pam_str_skip_prefix. + * modules/pam_mail/pam_mail.c: Include "pam_inline.h". + (_pam_parse): Use pam_str_skip_prefix instead of ugly strncmp + invocations. + + modules/pam_localuser: use pam_str_skip_prefix. + * modules/pam_localuser/pam_localuser.c: Include "pam_inline.h". + (pam_sm_authenticate): Use pam_str_skip_prefix instead of ugly strncmp + invocations. + + modules/pam_listfile: use pam_str_skip_prefix. + * modules/pam_listfile/pam_listfile.c: Include "pam_inline.h". + (pam_sm_authenticate): Use pam_str_skip_prefix instead of ugly strncmp + invocations. + + modules/pam_limits: use pam_str_skip_prefix. + * modules/pam_limits/pam_limits.c: Include "pam_inline.h". + (_pam_parse, parse_kernel_limits): Use pam_str_skip_prefix instead of + ugly strncmp invocations. + + modules/pam_lastlog: use pam_str_skip_prefix. + * modules/pam_lastlog/pam_lastlog.c: Include "pam_inline.h". + (_pam_auth_parse, get_tty): Use pam_str_skip_prefix instead of ugly + strncmp invocations. + + modules/pam_issue: use pam_str_skip_prefix. + * modules/pam_issue/pam_issue.c: Include "pam_inline.h". + (pam_sm_authenticate, read_issue_quoted): Use pam_str_skip_prefix + instead of ugly strncmp invocations. + + modules/pam_ftp: use pam_str_skip_prefix. + * modules/pam_ftp/pam_ftp.c: Include "pam_inline.h". + (_pam_parse): Use pam_str_skip_prefix instead of ugly strncmp invocations. + + modules/pam_env: use pam_str_skip_prefix. + * modules/pam_env/pam_env.c: Include "pam_inline.h". + (_pam_parse, _parse_line): Use pam_str_skip_prefix instead of ugly + strncmp invocations. + + modules/pam_echo: use pam_str_skip_prefix. + * modules/pam_echo/pam_echo.c: Include "pam_inline.h". + (pam_echo): Use pam_str_skip_prefix instead of ugly strncmp invocations. + + modules/pam_cracklib: use pam_str_skip_prefix. + * modules/pam_cracklib/pam_cracklib.c: Include "pam_inline.h". + (_pam_parse): Use pam_str_skip_prefix instead of ugly strncmp + invocations. + + modules/pam_access: use pam_str_skip_prefix. + * modules/pam_access/pam_access.c: Include "pam_inline.h". + (parse_args): Use pam_str_skip_prefix instead of ugly strncmp invocations. + +2020-03-19 Dmitry V. Levin + + Introduce pam_str_skip_prefix_len and pam_str_skip_prefix. + Every time I see a code like + if (!strncmp(*argv,"user_readenv=",13)) + *user_readenv = atoi(13+*argv); + my eyes are bleeding. + + Introduce a new helper inline function pam_str_skip_prefix_len() and + a new macro pam_str_skip_prefix() on top of it, to be used in subsequent + commits to cleanup the ugliness. + + * libpam/include/pam_inline.h: Include . + (pam_str_skip_prefix_len): New function. + (pam_str_skip_prefix): New macro. + +2020-03-19 Dmitry V. Levin + + Use PAM_ARRAY_SIZE. + Replace all instances of sizeof(x) / sizeof(*x) with PAM_ARRAY_SIZE(x) + which is less error-prone and implements an additional type check. + + * libpam/pam_handlers.c: Include "pam_inline.h". + (_pam_open_config_file): Use PAM_ARRAY_SIZE. + * modules/pam_exec/pam_exec.c: Include "pam_inline.h". + (call_exec): Use PAM_ARRAY_SIZE. + * modules/pam_namespace/pam_namespace.c: Include "pam_inline.h". + (filter_mntopts): Use PAM_ARRAY_SIZE. + * modules/pam_timestamp/hmacfile.c: Include "pam_inline.h". + (testvectors): Use PAM_ARRAY_SIZE. + * modules/pam_xauth/pam_xauth.c: Include "pam_inline.h". + (run_coprocess, pam_sm_open_session): Use PAM_ARRAY_SIZE. + * tests/tst-pam_get_item.c: Include "pam_inline.h". + (main): Use PAM_ARRAY_SIZE. + * tests/tst-pam_set_item.c: Likewise. + * xtests/tst-pam_pwhistory1.c: Likewise. + * xtests/tst-pam_time1.c: Likewise. + +2020-03-19 Dmitry V. Levin + + Introduce pam_inline.h. + Introduce a new internal header file for definitions of handly inline + functions and macros providing some convenient functionality to libpam + and its modules. + + * libpam/include/pam_cc_compat.h (PAM_SAME_TYPE): New macro. + * libpam/include/pam_inline.h: New file. + * libpam/Makefile.am (noinst_HEADERS): Add include/pam_inline.h. + +2020-03-19 Dmitry V. Levin + + modules/pam_cracklib: fix parsing of options without arguments. + Prefix match for options without arguments such as use_first_pass + is not correct, there has to be an exact match for these options. + + * modules/pam_cracklib/pam_cracklib.c (_pam_parse): Fix parsing + of reject_username, gecoscheck, enforce_for_root, use_authtok, + use_first_pass, and try_first_pass options. + +2020-03-19 Dmitry V. Levin + + ci: enable -Werror for all builds. + The main purpose of fixing all compilation warnings in the current code + base was to enable -Werror in CI builds so that no new warnings would + creep in. + + * ci/run-build-and-tests.sh (DISTCHECK_CONFIGURE_FLAGS): Add --enable-Werror. + +2020-03-19 Dmitry V. Levin + + configure: implement --enable-Werror option. + When configure is invoked with --enable-Werror option, + -Werror compiler option is added to WARN_CFLAGS. + + This new configure option is intended primarily for CI purposes. + + * configure.ac (AC_ARG_ENABLE): Add Werror. Forward -Werror + to JAPHAR_GREP_CFLAGS. + +2020-03-19 Dmitry V. Levin + + Fix remaining clang -Wcast-align compilation warnings. + Introduce DIAG_PUSH_IGNORE_CAST_ALIGN and DIAG_POP_IGNORE_CAST_ALIGN + macros, use them to silence remaining clang -Wcast-align compilation + warnings. + + * libpam/include/pam_cc_compat.h (DIAG_PUSH_IGNORE_CAST_ALIGN, + DIAG_POP_IGNORE_CAST_ALIGN): New macros. + * modules/pam_access/pam_access.c: Include "pam_cc_compat.h". + (from_match, network_netmask_match): Wrap inet_ntop invocations + in DIAG_PUSH_IGNORE_CAST_ALIGN and DIAG_POP_IGNORE_CAST_ALIGN. + +2020-03-19 Dmitry V. Levin + + Fix most of clang -Wcast-align compilation warnings. + Unlike gcc, clang is not smart enough to infer the alignment + of structure fields, so add some alignment hints to the code. + + * libpam/include/pam_cc_compat.h (PAM_ATTRIBUTE_ALIGNED): New macro. + * modules/pam_namespace/md5.h: Include "pam_cc_compat.h". + (struct MD5Context): Add PAM_ATTRIBUTE_ALIGNED to "in" field. + * modules/pam_namespace/md5.c [!(__i386__ || __x86_64__)] + (uint8_aligned): New type. + [!(__i386__ || __x86_64__)] (byteReverse): Use it instead of + unsigned char. + * modules/pam_timestamp/sha1.h: Include "pam_cc_compat.h". + (struct sha1_context): Add PAM_ATTRIBUTE_ALIGNED to pending field. + * modules/pam_unix/md5.h: Include "pam_cc_compat.h". + (struct MD5Context): Add PAM_ATTRIBUTE_ALIGNED to "in" field. + * modules/pam_unix/md5.c [!HIGHFIRST] (uint8_aligned): New type. + [!HIGHFIRST] (byteReverse): Use it instead of unsigned char. + +2020-03-19 Dmitry V. Levin + + modules/pam_tally, modules/pam_tally2: fix compilation warnings. + Fix the following compilation warnings reported by gcc + when sizeof(time_t) > sizeof(long), e.g. on x32: + + modules/pam_tally/pam_tally.c:541:7: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 5 has type ‘time_t’ {aka ‘long long int’} [-Wformat=] + 541 | _("The account is temporarily locked (%ld seconds left)."), + | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + modules/pam_tally/pam_tally.c:546:40: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 6 has type ‘time_t’ {aka ‘long long int’} [-Wformat=] + 546 | "user %s (%lu) has time limit [%lds left]" + | ~~^ + | | + | long int + | %lld + ...... + 549 | oldtime+lock_time-time(NULL)); + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + | | + | time_t {aka long long int} + + modules/pam_tally2/pam_tally2.c:592:27: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 5 has type ‘time_t’ {aka ‘long long int’} [-Wformat=] + 592 | pam_info(pamh, _("The account is temporarily locked (%ld seconds left)."), + | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + modules/pam_tally2/pam_tally2.c:597:50: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 6 has type ‘time_t’ {aka ‘long long int’} [-Wformat=] + 597 | "user %s (%lu) has time limit [%lds left]" + | ~~^ + | | + | long int + | %lld + ...... + 600 | oldtime+opts->lock_time-time(NULL)); + | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + | | + | time_t {aka long long int} + + This change doesn't attempt to fix handling of 64-bit time_t on 32-bit + systems in these modules. + + * modules/pam_tally/pam_tally.c (tally_check): Cast time_t expressions + to long int before passing them to pam_info and pam_syslog. + * modules/pam_tally2/pam_tally2.c (tally_check): Likewise. + +2020-03-19 Dmitry V. Levin + + modules/pam_timestamp: fix compilation warnings. + Fix the following compilation warnings reported by gcc on ilp32 platforms: + + modules/pam_timestamp/hmacfile.c: In function ‘testvectors’: + modules/pam_timestamp/hmacfile.c:121:44: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 2 has type ‘size_t’ {aka ‘unsigned int’} [-Wformat=] + 121 | printf("Incorrect result for vector %lu\n", i + 1); + | ~~^ ~~~~~ + | | | + | | size_t {aka unsigned int} + | long unsigned int + | %u + modules/pam_timestamp/hmacfile.c:128:30: warning: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 2 has type ‘size_t’ {aka ‘unsigned int’} [-Wformat=] + 128 | printf("Error in vector %lu.\n", i + 1); + | ~~^ ~~~~~ + | | | + | | size_t {aka unsigned int} + | long unsigned int + | %u + In function ‘strncpy’, + inlined from ‘pam_sm_open_session’ at modules/pam_timestamp/pam_timestamp.c:584:4: + /usr/include/bits/string_fortified.h:106:10: warning: ‘__builtin___strncpy_chk’ output may be truncated copying between 1 and 4095 bytes from a string of length 4095 [-Wstringop-truncation] + + * modules/pam_timestamp/hmacfile.c (testvectors): Cast the argument + of type size_t to unsigned long before passing it to printf. + * modules/pam_timestamp/pam_timestamp.c (pam_sm_open_session): Use + memcpy instead of strncpy as the source is not NUL-terminated, add an + extra check to ensure that iterator stays inside bounds. + +2020-03-19 Dmitry V. Levin + + modules/pam_unix: fix gcc compilation warnings. + When setreuid() fails, there is no way to proceed any further: either + the process credentials are unchanged but inappropriate, or they are + in an inconsistent state and nothing good could be made out of it. + This fixes the following compilation warnings: + + modules/pam_unix/passverify.c:209:5: warning: ignoring return value of 'setreuid', declared with attribute warn_unused_result [-Wunused-result] + modules/pam_unix/passverify.c:211:5: warning: ignoring return value of 'setreuid', declared with attribute warn_unused_result [-Wunused-result] + modules/pam_unix/passverify.c:213:6: warning: ignoring return value of 'setreuid', declared with attribute warn_unused_result [-Wunused-result] + modules/pam_unix/passverify.c:214:6: warning: ignoring return value of 'setreuid', declared with attribute warn_unused_result [-Wunused-result] + modules/pam_unix/passverify.c:222:5: warning: ignoring return value of 'setreuid', declared with attribute warn_unused_result [-Wunused-result] + modules/pam_unix/passverify.c:224:5: warning: ignoring return value of 'setreuid', declared with attribute warn_unused_result [-Wunused-result] + modules/pam_unix/passverify.c:225:5: warning: ignoring return value of 'setreuid', declared with attribute warn_unused_result [-Wunused-result] + modules/pam_unix/passverify.c:226:5: warning: ignoring return value of 'setreuid', declared with attribute warn_unused_result [-Wunused-result] + modules/pam_unix/passverify.c:209:5: warning: ignoring return value of 'setreuid', declared with attribute warn_unused_result [-Wunused-result] + modules/pam_unix/passverify.c:211:5: warning: ignoring return value of 'setreuid', declared with attribute warn_unused_result [-Wunused-result] + modules/pam_unix/passverify.c:213:6: warning: ignoring return value of 'setreuid', declared with attribute warn_unused_result [-Wunused-result] + modules/pam_unix/passverify.c:214:6: warning: ignoring return value of 'setreuid', declared with attribute warn_unused_result [-Wunused-result] + modules/pam_unix/passverify.c:222:5: warning: ignoring return value of 'setreuid', declared with attribute warn_unused_result [-Wunused-result] + modules/pam_unix/passverify.c:224:5: warning: ignoring return value of 'setreuid', declared with attribute warn_unused_result [-Wunused-result] + modules/pam_unix/passverify.c:225:5: warning: ignoring return value of 'setreuid', declared with attribute warn_unused_result [-Wunused-result] + modules/pam_unix/passverify.c:226:5: warning: ignoring return value of 'setreuid', declared with attribute warn_unused_result [-Wunused-result] + + * modules/pam_unix/passverify.c (get_account_info) [HELPER_COMPILE]: + Always check setreuid return code and return PAM_CRED_INSUFFICIENT + if setreuid failed. + +2020-03-19 Dmitry V. Levin + + modules/pam_access: fix compilation warning. + Fix the following compilation warning reported by gcc + when HAVE_LIBAUDIT is not set: + + modules/pam_access/pam_access.c: In function ‘login_access’: + modules/pam_access/pam_access.c:338:13: warning: variable ‘nonall_match’ set but not used [-Wunused-but-set-variable] + 338 | int nonall_match = NO; + | ^~~~~~~~~~~~ + + * modules/pam_access/pam_access.c (login_access): Enclose nonall_match + variable with HAVE_LIBAUDIT #ifdef's. + +2020-03-19 Dmitry V. Levin + + conf/pam_conv1: fix clang compilation warnings. + Fix the following compilation warnings reported by clang: + + pam_conv_y.y:12:23: warning: unused variable 'bisonid' [-Wunused-const-variable] + static const char bisonid[]= + ^ + pam_conv_l.l:12:23: warning: unused variable 'lexid' [-Wunused-const-variable] + static const char lexid[]= + ^ + + These static variables lost their meaning after repository conversion + from cvs to git and can be safely removed. + + * conf/pam_conv1/pam_conv_l.l (lexid): Remove. + * conf/pam_conv1/pam_conv_y.y (bisonid): Remove. + +2020-03-18 Dmitry V. Levin + + modules/pam_timestamp: fix clang compilation warning. + modules/pam_timestamp/pam_timestamp.c:807:17: warning: logical not + is only applied to the left hand side of this comparison + [-Wlogical-not-parentheses] + } else if (!timestamp_good(st.st... + ^ + + * modules/pam_timestamp/pam_timestamp.c (main): Change timestamp_good + return code check to a more traditional form. + +2020-03-18 Dmitry V. Levin + + github: check for whitespace errors on push and pull requests. + * .github/workflows/whitespace-errors-check.yml: New file. + + modules/pam_timestamp: fix EXTRA_DIST. + * modules/pam_timestamp/Makefile.am (EXTRA_DIST): Replace "$(man_MANS)" + with "$(MANS)" as the former is conditional on HAVE_DOC. + + modules/pam_namespace: fix EXTRA_DIST. + * modules/pam_namespace/Makefile.am (EXTRA_DIST): Replace + "$(MAN5) $(MAN8)" with "$(MANS)" as the former is conditional + on HAVE_DOC. + +2020-03-17 Christian Göttsche + + pam_usertype: exclude man-page generation when configured with --disable-doc + * modules/pam_usertype/Makefile.am (man_MANS): Make conditional + on HAVE_DOC. + + Resolves: https://github.com/linux-pam/linux-pam/pull/193 + +2020-03-17 Christian Göttsche + + pam_namespace: ignore pam_namespace_helper in git. + * modules/pam_namespace/.gitignore: New file. + + Resolves: https://github.com/linux-pam/linux-pam/pull/192 + +2020-03-13 Weblate + + Update translation files. + Updated by "Update PO files to match POT (msgmerge)" hook in Weblate. + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ + +2020-03-13 Ondrej Sulek + + Translated using Weblate (Slovak) + Currently translated at 100.0% (117 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/sk/ + +2020-03-13 Yuri Chornoivan + + Translated using Weblate (Ukrainian) + Currently translated at 100.0% (117 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/uk/ + +2020-03-13 Dmitry V. Levin + + Translated using Weblate (Portuguese (Brazil)) + Currently translated at 100.0% (117 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/pt_BR/ + + Translated using Weblate (Portuguese) + + Currently translated at 100.0% (117 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/pt/ + + Translated using Weblate (German) + + Currently translated at 91.4% (107 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/de/ + +2020-03-13 Tomas Mraz + + Adjust README with instructions for package prerequsities. + Also remove obsolete static modules instructions + +2020-03-11 Dmitry V. Levin + + pam_get_authtok: fix i18n of default prompts. + Change formatting of default prompts, making them translatable + to those languages that use a different word order. + From non-i18n perspective this change is essentially a no-op. + + * libpam/pam_get_authtok.c (PROMPTCURRENT): Replace with + PROMPT_CURRENT_ARG and PROMPT_CURRENT_NOARG. + (PROMPT1): Replace with PROMPT_NEW_ARG and PROMPT_NEW_NOARG. + (PROMPT2): Replace with PROMPT_RETYPE_ARG and PROMPT_RETYPE_NOARG. + (pam_get_authtok_internal, pam_get_authtok_verify): Use new macros. + * po/Linux-PAM.pot: Regenerated. + + Resolves: https://github.com/linux-pam/linux-pam/issues/29 + +2020-03-11 ikerexxe + + pam_selinux: check unknown object classes or permissions in current policy + Explanation: check whether unknown object classes or permissions are allowed or denied in the current policy + + Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1680961 + +2020-03-06 Weblate + + Update translation files. + Updated by "Update PO files to match POT (msgmerge)" hook in Weblate. + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ + +2020-03-06 Milo Casagrande + + Translated using Weblate (Italian) + Currently translated at 100.0% (117 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/it/ + +2020-03-06 Dmitry V. Levin + + Translated using Weblate (Zulu) + Currently translated at 63.2% (74 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/zu/ + + Translated using Weblate (Chinese (Traditional)) + + Currently translated at 81.1% (95 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/zh_TW/ + + Translated using Weblate (Chinese (Simplified)) + + Currently translated at 81.1% (95 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/zh_CN/ + + Translated using Weblate (Tamil) + + Currently translated at 81.1% (95 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ta/ + + Translated using Weblate (Sinhala) + + Currently translated at 65.8% (77 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/si/ + + Translated using Weblate (Russian) + + Currently translated at 100.0% (117 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ru/ + + Translated using Weblate (Portuguese (Brazil)) + + Currently translated at 81.1% (95 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/pt_BR/ + + Translated using Weblate (Kazakh) + + Currently translated at 81.1% (95 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/kk/ + + Translated using Weblate (Japanese) + + Currently translated at 81.1% (95 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ja/ + + Translated using Weblate (Hungarian) + + Currently translated at 81.1% (95 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/hu/ + + Translated using Weblate (Hindi) + + Currently translated at 81.1% (95 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/hi/ + + Translated using Weblate (Spanish) + + Currently translated at 81.1% (95 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/es/ + + Translated using Weblate (German) + + Currently translated at 81.1% (95 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/de/ + +2020-03-06 OÄŸuz Ersen + + Translated using Weblate (Turkish) + Currently translated at 100.0% (117 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/tr/ + +2020-03-06 Geert Warrink + + Translated using Weblate (Dutch) + Currently translated at 100.0% (117 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/nl/ + +2020-03-06 Julien Humbert + + Translated using Weblate (French) + Currently translated at 100.0% (117 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/fr/ + +2020-03-06 Piotr DrÄ…g + + Translated using Weblate (Polish) + Currently translated at 100.0% (117 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/pl/ + + Translated using Weblate (Polish) + + Currently translated at 100.0% (117 of 117 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/pl/ + +2020-03-06 Tomas Mraz + + Add missing file to EXTRA_DIST. + * tests/Makefile.am: Add confdir to EXTRA_DIST. + + New API call pam_start_confdir() + To load PAM stack configurations from specified directory + +2020-03-05 Dmitry V. Levin + + Fix remaining references to sourceforge.net. + Linux-PAM moved to github long time ago, update the remaining + bug tracking references to point to github issues tracker. + + * README: Refer to https://github.com/linux-pam/linux-pam/issues + instead of sourceforge.net. + * po/Makevars: Refer to https://github.com/linux-pam/linux-pam/issues + instead of http://sourceforge.net/projects/pam . + * po/Linux-PAM.pot: Regenerated. + +2020-03-05 Dmitry V. Levin + + pam_unix: fix --disable-nis compilation warnings. + When the build is configured using --disable-nis option, gcc complains: + + pam_unix_passwd.c: In function '_do_setpass': + pam_unix_passwd.c:398:8: warning: unused variable 'master' [-Wunused-variable] + + support.c: In function '_unix_getpwnam': + support.c:305:21: warning: parameter 'nis' set but not used [-Wunused-but-set-parameter] + + * modules/pam_unix/pam_unix_passwd.c (_do_setpass): Move the definition + of "master" variable to [HAVE_NIS]. + * modules/pam_unix/support.c (_unix_getpwnam) [!(HAVE_YP_GET_DEFAULT_DOMAIN + && HAVE_YP_BIND && HAVE_YP_MATCH && HAVE_YP_UNBIND)]: Do not assign + the unused parameter but mark it as used. + +2020-03-05 Dmitry V. Levin + + Sort NEWS entries. + * NEWS (1.4.0): Sort module-related news entries. + +2020-03-05 Dmitry V. Levin + + Fix whitespace issues. + Remove trailing whitespace introduced by commit + f9c9c72121eada731e010ab3620762bcf63db08f. + Remove blank lines at EOF introduced by commit + 65d6735c5949ec233df9813f734e918a93fa36cf. + + This makes the project free of warnings reported by + git diff --check 4b825dc642cb6eb9a060e54bf8d69288fbee4904 HEAD + + * doc/custom-html.xsl: Remove blank line at EOF. + * doc/custom-man.xsl: Likewise. + * modules/pam_motd/pam_motd.c: Remove trailing whitespace. + +2020-03-04 ed@s5h.net + + Adding package dependency hints to README. + +2020-03-04 Mark Wutzke + + Use cached 'crypt' library result correctly. + Configure script incorrectly used a non-cached variable (ac_lib) in the + cached code path. This results in no -lcrypt being defined resulting in + link errors on a re-build. + + Update configure.ac to use ac_cv_search_crypt (via ac_res) to setup the + correct library arguments. + +2020-03-03 Tomas Mraz + + Prepare for the 1.4.0 release. + + Updated LINGUAS to remove completely untranslated languages. + Updated pot and po files + +2020-03-03 Tomáš Mráz + + Translated using Weblate (Czech) + Currently translated at 100.0% (116 of 116 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/cs/ + +2020-03-03 OÄŸuz Ersen + + Translated using Weblate (Turkish) + Currently translated at 100.0% (121 of 121 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/tr/ + +2020-03-03 Julien Humbert + + Translated using Weblate (French) + Currently translated at 100.0% (121 of 121 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/fr/ + +2020-03-03 Piotr DrÄ…g + + Translated using Weblate (Polish) + Currently translated at 100.0% (121 of 121 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/pl/ + + Translated using Weblate (Polish) + + Currently translated at 100.0% (121 of 121 strings) + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/pl/ + +2020-03-03 Jean-Baptiste Holcroft + + Deleted translation using Weblate (Cornish) + Deleted translation using Weblate (German (Low)) + + Deleted translation using Weblate (Angika) + + Deleted translation using Weblate (English (United Kingdom)) + + Deleted translation using Weblate (Asturian) + + Deleted translation using Weblate (bal (generated)) + + Deleted translation using Weblate (Bodo) + + Deleted translation using Weblate (Breton) + + Deleted translation using Weblate (Cornish) + + Deleted translation using Weblate (Cornish) + + Deleted translation using Weblate (ilo (generated)) + + Deleted translation using Weblate (Maithili) + + Deleted translation using Weblate (Pedi) + + Deleted translation using Weblate (Tibetan) + + Deleted translation using Weblate (Twi) + + Deleted translation using Weblate (wba (generated)) + +2020-03-03 Weblate + + Update translation files. + Updated by "Update PO files to match POT (msgmerge)" hook in Weblate. + + Translation: linux-pam/master + Translate-URL: https://translate.fedoraproject.org/projects/linux-pam/master/ + +2020-02-27 Iker Pedrosa + + pam_tty_audit: if kernel audit is disabled return PAM_IGNORE. + If kernel audit is disabled the socket open will return + EPROTONOSUPPORT. + Return PAM_IGNORE from pam_tty_audit and log a warning + in this situation so login is not blocked by the module. + +2020-02-26 Dmitry V. Levin + + pam_modutil_sanitize_helper_fds: fix SIGPIPE effect of PAM_MODUTIL_PIPE_FD + When pam_modutil_sanitize_helper_fds() is invoked with + PAM_MODUTIL_PIPE_FD to provide a dummy pipe descriptor for stdout + or stderr, it closes the read end of the newly created dummy pipe. + The negative side effect of this approach is that any write to such + descriptor triggers a SIGPIPE. Avoid this by closing the write end of + the dummy pipe and using its read end as a dummy pipe descriptor for + output. Any read from such descriptor returns 0, and any write just + fails with EBADF, which should work better with unprepared writers. + + * libpam/pam_modutil_sanitize.c (redirect_out_pipe): Remove. + (redirect_out): Call redirect_in_pipe instead of redirect_out_pipe. + + Fixes: b0ec5d1e ("Introduce pam_modutil_sanitize_helper_fds") + +2020-02-26 TBK + + libpamc: Use ISO C99 uintX_t types instead of u_intX_t. + u_intX_t is a glibcism this fixes the issue of compiling against musl libc. + +2020-02-25 Tomas Mraz + + pam_group, pam_time: Fix regression in documentation from last change. + * modules/pam_group/group.conf.5.xml: Replace bare & with &. + * modules/pam_time/time.conf.5.xml: Likewise. + +2020-02-24 Tomas Mraz + + pam_limits: Document the unwanted effect of set_all with systemd. + + misc_conv: Use PAM_MAX_RESP_SIZE to limit the length of the input. + + pam_group, pam_time: Fix logical error with multiple ! operators. + * modules/pam_group/group.conf.5.xml: Document what logic list means. + * modules/pam_time/time.conf.5.xml: Likewise. + * modules/pam_group/pam_group.c (logic_field): Clear the not operator for the + further operations. + * modules/pam_time/pam_time.c (logic_field): Likewise. + +2020-02-24 Tomas Mraz + + pam_shells: Recognize /bin/sh as the default shell. + If the shell is empty in /etc/passwd entry it means /bin/sh. + + * modules/pam_shells/pam_shells.c (perform_check): Use /bin/sh as default shell. + +2020-02-24 Tomas Mraz + + pam_env: Change the default to not read the user .pam_environment file. + * modules/pam_env/pam_env.8.xml: Document the change. + * modules/pam_env/pam_env.c: Set DEFAULT_USER_READ_ENVFILE to 0. + +2020-02-24 Tomas Mraz + + pam_env: code cleanups. + Raise BUF_SIZE to 8192 bytes. + + * modules/pam_env/pam_env.c (_parse_env_file): Ignore lines starting with '='. + (_assemble_line): Detect long lines and binary files. + (_check_var): Avoid overwriting global variable. + (_expand_arg): Avoid repeated strlen calls. + +2020-02-18 Topi Miettinen + + pam_namespace: secure tmp-inst directories. + When using polyinstantiation for /tmp and/or /var/tmp, pam_namespace + creates subdirectories with fixed name tmp-inst. These paths should be + secured as early as possible to avoid that somehow these directories + could created and controlled by for example a malicious user or + service. + + Ship a systemd service, which creates the directories early in + boot sequence with correct permissions and ownership. + + Closes #111. + +2020-02-18 Tomas Mraz + + Fix warnings from the recent PR merges. + * modules/pam_succeed_if/pam_succeed_if.c: Fix const issues. + * modules/pam_usertype/pam_usertype.c: Avoid maybe used uninitialized warning. + +2020-02-18 Pavel BÅ™ezina + + pam_unix: add nullresetok option to allow reset blank passwords. + Adding nullresetok to auth phase of pam_unix module will allow users + with blank password to authenticate in order to immediatelly change + their password even if nullok is not set. + + This allows to have blank password authentication disabled but still + allows administrator to create new user accounts with expired blank + password that must be change on the first login. + +2020-02-18 Serghei Anicheev + + pam_succeed_if: Add list support for group membership checks. + Examples: + account requisite pam_succeed_if.so user ingroup group1:group2 + OR + account requisite pam_succeed_if.so user notingroup group1:group2 + OR + account requisite pam_succeed_if.so user ingroup wheel + OR + account requisite pam_succeed_if.so user notingroup wheel + + Can be very convenient to grant access based on complex group memberships (LDAP, etc) + +2020-02-18 MIZUTA Takeshi + + Remove redundant header file inclusion. + There are some source code including the same header file redundantly. + We remove these redundant header file inclusion. + +2020-01-29 edneville + + pam_tally[2]: Updating man pages to indicate account leakage without silent + * modules/pam_tally/pam_tally.8.xml: Mention account leakage without silent + * modules/pam_tally2/pam_tally2.8.xml: Mention account leakage without silent + +2020-01-29 Jakub Wilk + + pam_keyinit.8: add missing comma. + +2020-01-28 Pavel BÅ™ezina + + pam_usertype: new module to tell if uid is in login.defs ranges. + This module will check if the user account type is system or regular based + on its uid. To evaluate the condition it will use 0-99 reserved range + together with `SYS_UID_MIN` and `SYS_UID_MAX` values from `/etc/login.defs`. + + If these values are not set, it uses configure-time defaults + `--with-sys-uid-min` and `--with-uid-min` (according to `login.defs` man page + `SYS_UID_MAX` defaults to `UID_MIN - 1`. + + This information can be used to skip specific module in pam stack + based on the account type. `pam_succeed_if uid < 1000` is used at the moment + however it does not reflect changes to `login.defs`. + +2020-01-27 Fabrice Fontaine + + configure.ac: add --enable-doc option. + Allow the user to disable documentation through --disable-doc (enabled + by default), this is especially useful when cross-compiling for embedded + targets + +2020-01-20 Dmitry V. Levin + + Fix remaining -Wcast-qual compilation warnings. + Introduce a new internal header file with definitions of + DIAG_PUSH_IGNORE_CAST_QUAL and DIAG_POP_IGNORE_CAST_QUAL macros, + use them to temporary silence -Wcast-qual compilation warnings + in various modules. + + * libpam/include/pam_cc_compat.h: New file. + * libpam/Makefile.am (noinst_HEADERS): Add include/pam_cc_compat.h. + * modules/pam_mkhomedir/pam_mkhomedir.c: Include "pam_cc_compat.h". + (create_homedir): Wrap execve invocation in DIAG_PUSH_IGNORE_CAST_QUAL + and DIAG_POP_IGNORE_CAST_QUAL. + * modules/pam_namespace/pam_namespace.c: Include "pam_cc_compat.h". + (pam_sm_close_session): Wrap the cast that discards ‘const’ qualifier + in DIAG_PUSH_IGNORE_CAST_QUAL and DIAG_POP_IGNORE_CAST_QUAL. + * modules/pam_tty_audit/pam_tty_audit.c: Include "pam_cc_compat.h". + (nl_send): Wrap the cast that discards ‘const’ qualifier in + DIAG_PUSH_IGNORE_CAST_QUAL and DIAG_POP_IGNORE_CAST_QUAL. + * modules/pam_unix/pam_unix_acct.c: Include "pam_cc_compat.h". + (_unix_run_verify_binary): Wrap execve invocation in + DIAG_PUSH_IGNORE_CAST_QUAL and DIAG_POP_IGNORE_CAST_QUAL. + * modules/pam_unix/pam_unix_passwd.c: Include "pam_cc_compat.h". + (_unix_run_update_binary): Wrap execve invocation in + DIAG_PUSH_IGNORE_CAST_QUAL and DIAG_POP_IGNORE_CAST_QUAL. + * modules/pam_unix/passverify.c: Include "pam_cc_compat.h". + (unix_update_shadow): Wrap the cast that discards ‘const’ qualifier + in DIAG_PUSH_IGNORE_CAST_QUAL and DIAG_POP_IGNORE_CAST_QUAL. + * modules/pam_unix/support.c: Include "pam_cc_compat.h". + (_unix_run_helper_binary): Wrap execve invocation in + DIAG_PUSH_IGNORE_CAST_QUAL and DIAG_POP_IGNORE_CAST_QUAL. + * modules/pam_xauth/pam_xauth.c: Include "pam_cc_compat.h". + (run_coprocess): Wrap execv invocation in DIAG_PUSH_IGNORE_CAST_QUAL + and DIAG_POP_IGNORE_CAST_QUAL. + +2020-01-20 Dmitry V. Levin + + _pam_mkargv: add const qualifier to the first argument. + Also fix the following compilation warning: + + tests/tst-pam_mkargv.c:21:22: warning: initialization discards ‘const’ + qualifier from pointer target type [-Wdiscarded-qualifiers] + char *argvstring = "user = XENDT\\userα user=XENDT\\user1"; + ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + + * libpam/pam_misc.c (_pam_mkargv): Add const qualifier to the first + argument. + * libpam/pam_private.h (_pam_mkargv): Likewise. + * tests/tst-pam_mkargv.c (main): Convert argvstring from a pointer into + a static const string, make argvresult array static const. + +2020-01-20 Tomas Mraz + + Fix miscellaneous const issues. + * libpam/pam_modutil_searchkey.c: Avoid assigning empty string literal to + non-const char *. + * modules/pam_filter/pam_filter.c: Avoid using const char **. + * modules/pam_mkhomedir/pam_mkhomedir.c: Properly cast out const for execve(). + * modules/pam_namespace/pam_namespace.c: Properly cast out const from pam data. + * modules/pam_tally2/pam_tally2.c: String literal must be assigned to + const char *. + +2020-01-17 Björn Esser + + pam_unix: Return NULL instead of calling crypt_md5_wrapper(). + If the call to the crypt(3) function failed for some reason during + hashing a new login passphrase, the wrapper function for computing + a hash with the md5crypt method was called internally by the pam_unix + module in previous versions of linux-pam. + + With CVE-2012-3287 in mind, the md5crypt method is not considered to + be a safe nor recommended hashing method for a new login passphrase + since at least 2012. Thus pam_unix should error out in case of a + failure in crypt(3) instead of silently computing a hashed passphrase + using a potentially unsafe method. + + * modules/pam_unix/pam_unix.8.xml: Update documentation. + * modules/pam_unix/passverify.c (create_password_hash): Return NULL + on error instead of silently invoke crypt_md5_wrapper(). + +2020-01-15 Hulto + + Changed variable salt to hash. + helper_verify_password's variable salt is not just the salt but the whole hash. Renamed for clarity and conformity with the rest of the code. + +2020-01-15 Josef Moellers + + Add two missing va_end() calls According to the man pages, "Each invocation of va_start() must be matched by a corresponding invocation of va_end() in the same function." + +2020-01-15 Steve Langasek + + Further grammar fixes. + + Bug-Debian: https://bugs.debian.org/651560 + +2020-01-15 Steve Langasek + + Miscellaneous spelling fixes. + + Miscellaneous grammar fixes. + +2020-01-10 Andreas Henriksson + + pam_umask: document the 'nousergroups' option. + Add a short description of the nousergroups to the pam_umask(8) + man-page. + +2020-01-10 Andreas Henriksson + + pam_umask: add new 'nousergroups' module argument. + This is particularly useful when pam has been built with the new + --enable-usergroups configure switch, allowing users to override + the default-enabled state and disabling usergroups at runtime. + + This is synonymous but opposite to current and previous pam_umask + default that could be changed to enabled at runtime with the usergroups + argument. + +2020-01-10 Andreas Henriksson + + pam_umask: build-time usergroups option default. + This change adds a configure option to set the default value of the + usergroups option (of the pam_umask module) at build-time. + + Distributions usually makes the decision if usergroups should be used or + not. This allows them to control the built-in default value, without + having to ship the value in a config file (cluttering up the view + of actually relevant user/system configuration overrides). + +2020-01-02 msalle + + pam_access: Fix (IPv6) address prefix size matching. + IPv6 address prefix sizes larger than 128 (i.e. not larger or equal to) should + be discarded. Additionally, for IPv4 addresses, the largest valid prefix size + should be 32. + + Fixes #161 + +2019-12-18 Tomas Mraz + + Do not use CFLAGS for warning flags set from configure. + To be able to set CFLAGS from make command-line but not to lose the + warning flags. + + * configure.ac: Put warning flags to WARN_CFLAGS instead of CFLAGS. + * */Makefile.am: Apply WARN_CFLAGS to AM_CFLAGS. + +2019-12-17 Balint Reczey + + Return only PAM_IGNORE or error from pam_motd. + Follow-up for c81280b16e1831ab0bdd0383486c7e2d1eaf1b5e. + * modules/pam_motd/pam_motd.c: Return PAM_IGNORE if pam_putenv succeeds. + * modules/pam_motd/pam_motd.8.xml: Document additional possible return values of the module. + +2019-12-16 Dmitry V. Levin + + Add initial Travis CI support. + This runs "make distcheck" using gcc-9, gcc-8, gcc-7, and clang + on x86_64, x86, x32, aarch64, s390x, and ppc64le architectures. + + * .travis.yml: New file. + * ci/install-dependencies.sh: Likewise. + * ci/run-build-and-tests.sh: Likewise. + + Resolves: https://github.com/linux-pam/linux-pam/issues/28 + +2019-12-16 Dmitry V. Levin + + pam_pwhistory: fix build when -lxcrypt is not available. + When xcrypt.h is available but -lxcrypt is not, pam_pwhistory fails to + build with the following diagnostics: + modules/pam_pwhistory/opasswd.c:111: undefined reference to `xcrypt_r' + + Fix this by using the same check for xcrypt as in other modules. + + * modules/pam_pwhistory/opasswd.c: Replace HAVE_XCRYPT_H with + HAVE_LIBXCRYPT. + +2019-12-16 Tomas Mraz + + Fix or suppress various warnings when compiling with -Wall -Wextra. + * conf/pam_conv1/Makefile.am: Add -Wno-unused-function -Wno-sign-compare to CFLAGS. + * doc/specs/Makefile.am: Likewise. + + * libpamc/include/security/pam_client.h: Explicitly compare old_p with NULL. + + * modules/pam_access/pam_access.c: Avoid double const. + + * modules/pam_filter/pam_filter.c: Avoid arbitrary constants. Avoid strncpy() + without copying the NUL byte. + + * modules/pam_group/pam_group.c: Mark switch fallthrough with comment. + * modules/pam_time/pam_time.c: Likewise. + + * modules/pam_limits/pam_limits.c: Remove unused units variable. + + * modules/pam_listfile/pam_listfile.c: Avoid unnecessary strncpy, use pointers. + + * modules/pam_rootok/pam_rootok.c (log_callback): Mark unused parameter. + + * modules/pam_selinux/pam_selinux.c: Use string_to_security_class() instead + of hardcoded value. + + * modules/pam_sepermit/pam_sepermit.c: Properly cast when comparing. + + * modules/pam_succeed_if/pam_succeed_if.c: Mark unused parameters. + + * modules/pam_unix/pam_unix_passwd.c: Remove unused variables and properly + cast for comparison. + + * modules/pam_unix/support.c: Remove unused function. + +2019-12-04 Balint Reczey + + pam_motd: Export MOTD_SHOWN=pam after showing MOTD. + This is a useful indication for update-motd profile.d snippet which can + also try to show MOTD when it is not already shown. + + The use-case for that is showing MOTD in shells in containers without + PAM being involved. + + * modules/pam_motd/pam_motd.c: Export MOTD_SHOWN=pam after showing MOTD + * modules/pam_motd/pam_motd.8.xml: Mention setting MOTD_SHOWN=pam in the man page + +2019-11-28 ppkarwasz + + Adds an auth module to pam_keyinit (#150) + Adds an auth module to pam_keyinit, whose implementation of + pam_sm_setcred + is identical to the implementation of pam_sm_open_session. + + It is useful with PAM applications, which call pam_setcred, + before calling pam_open_session. + + * modules/pam_keyinit/pam_keyinit.c: Add an auth module to pam_keyinit. + + * modules/pam_keyinit/pam_keyinit.8.xml: Update the manpage + to describe the new functionality. + +2019-11-28 Sophie Herold + + Lower "bad username" log priority (#154) + * modules/pam_unix/pam_unix_auth.c: Use LOG_NOTICE instead of LOG_ERR. + * modules/pam_unix/pam_unix_passwd.c: Likewise. + * modules/pam_umask/pam_umask.c: Likewise. + +2019-11-04 Tomas Mraz + + pam_namespace: Support for noexec, nosuid and nodev flags for tmpfs mounts + * modules/pam_namespace/namespace.conf.5.xml: Add documentation for the + noexec, nosuid, and nodev flags support. + * modules/pam_namespace/pam_namespace.c (filter_mntopts): New function to + filter out the flags. + (parse_method): Call the function. + (ns_setup): Apply the flags to the tmpfs mount. + * modules/pam_namespace/pam_namespace.h: Add mount_flags to polydir_s struct. + +2019-11-04 Tomas Mraz + + Optimize the checkgrouplist function. + There is no point in rising the allocation size by doubling when + we can allocate required memory size at once in the second pass. + + * libpam/pam_modutil_ingroup.c (checkgrouplist): Allocate some reasonable + default size in first pass and required size in the second pass. + +2019-10-15 MIZUTA Takeshi + + doc: fix module type written in MODULE TYPES PROVIDED. + +2019-10-14 Tomas Mraz + + pam_unix: Add logging useful for debugging problems. + Two messages added about obtaining the username are guarded + by the debug option as these should not be normally + logged - they can be useful for debugging but they do not + indicate any special condition. + + The message about authenticating user with blank password is + still just LOG_DEBUG priority but it is logged unconditionally + because it is somewhat extraordinary condition to have an user + with blank password. + + * modules/pam_unix/pam_unix_auth.c (pam_sm_authenticate): Replace + D() macro calls which are not enabled on production builds with + regular pam_syslog() calls. + +2019-10-10 Tomas Mraz + + pam_unix: Fix the spelling of Jan RÄ™korajski's name. + +2019-10-08 MIZUTA Takeshi + + doc: fix typo in manpage. + +2019-10-03 MIZUTA Takeshi + + pam_mkhomedir: Add debug option to pam_mkhomedir(8) man page. + +2019-09-23 Marek ÄŒernocký + + Fixed missing quotes in configure script. + +2019-09-16 Thorsten Kukuk <5908016+thkukuk@users.noreply.github.com> + + Add support for a vendor directory and libeconf (#136) + With this, it is possible for Linux distributors to store their + supplied default configuration files somewhere below /usr, while + /etc only contains the changes made by the user. The new option + --enable-vendordir defines where Linux-PAM should additional look + for pam.d/*, login.defs and securetty if this files are not in /etc. + libeconf is a key/value configuration file reading library, which + handles the split of configuration files in different locations + and merges them transparently for the application. + +2019-09-12 Carlos Santos + + pam_lastlog: document the 'unlimited' option. + +2019-09-12 Carlos Santos + + pam_lastlog: prevent crash due to reduced 'fsize' limit. + It a reduced fsize limit is set in /etc/security/limits.conf and + pam_limits is in use pam_lastlog may cause a crash, e.g. + + ----- begin /etc/pam.d/su ---- + auth sufficient pam_rootok.so + auth required pam_wheel.so use_uid + auth required pam_env.so + auth required pam_unix.so nullok + account required pam_unix.so + password required pam_unix.so nullok + session required pam_limits.so + session required pam_env.so + session required pam_unix.so + session optional pam_lastlog.so + ----- end /etc/pam.d/su ----- + + ----- begin /etc/security/limits.d/fsize.conf ----- + * soft fsize 1710 + * hard fsize 1710 + ----- end /etc/security/limits.d/fsize.conf ----- + + # id user1 + uid=1000(user1) gid=1000(user1) groups=1000(user1) + # su - user1 + Last login: Wed Sep 11 01:52:44 UTC 2019 on console + $ exit + # id user2 + uid=60000(user2) gid=60000(user2) groups=60000(user2) + # su - user2 + File size limit exceeded + + This happens because pam_limits sets RLIMIT_FSIZE before pam_lastlog + attempts to write /var/log/lastlog, leading to a SIGXFSZ signal. + + In order to fix this, and an 'unlimited' option, which leads to saving + the 'fsize' limit and set it to unlimited before writing lastlog. After + that, restore the saved value. If 'fsize' is already unlimited nothing + is done. + + Failing to set the 'fsize' limit is not a fatal error. With luck the + configured limit will suffice, so we try to write lastlog anyway, even + under the risk of dying due to a SIGXFSZ. + + Failing to restore the 'fsize' limit is a fatal error, since we don't + want to keep it unlimited. + +2019-09-11 ed + + pam_unix_sess.c add uid for opening session. + This adds the UID of the target user to the session open log. + + Also fixing tabulation in pam_unix_sess.c. + +2019-09-09 lifecrisis <15251574+lifecrisis@users.noreply.github.com> + + Fix the man page for "pam_fail_delay()" + This man page contained the incorrect statement that setting the + PAM_FAIL_DELAY item to NULL would disable any form of delay on + authentication failure. + + I removed the incorrect statement and added a paragraph explaining + how an application should properly avoid delays. + + Closes #137. + +2019-09-06 lifecrisis <15251574+lifecrisis@users.noreply.github.com> + + Fix a typo. + There is an extra space where there should not be one. + +2019-09-06 lifecrisis <15251574+lifecrisis@users.noreply.github.com> + + Update a function comment. + The function comment for "_pam_await_timer()" does not mention the + intended behavior of prioritizing the "PAM_FAIL_DELAY" item. + + I updated the comment to make this intention clear. + +2019-09-02 Matt Cowell + + pwhistory: fix read of uninitialized data and memory leak when modifying opasswd + The glibc implementation of getline/getdelim does not guarantee a NUL + terminator in lineptr if getline returns failure (-1). This occurs when + the opasswd file exists but is empty. Since strdup is called + immediately afterwards, this causes strdup to read uninitialized memory + and possibly buffer overrun / crash. + + This also fixes a memory leak which always occurs when reading the last + line of the opasswd file. Since the strdup is called before checking + the return code from getline, getdelim, or fgets+strlen, it will + duplicate and never free either: + - The last successfully read line (for getline or getdelim) + - Uninitialized data (if the file is empty) + - A 0 byte string (for fgets+strlen) + + Fix by always checking the return code of getline, getdelim, or + fgets+strlen before calling strdup. + +2019-08-26 Christophe Besson + + libpam/pam_modutil_sanitize.c: optimize the way to close fds. + +2019-08-07 Tomas Mraz + + pam_tty_audit: Manual page clarification about password logging. + * modules/pam_tty_audit/pam_tty_audit.8.xml: Explanation why passwords + can be sometimes logged even when the option is not set. + +2019-08-07 Tomas Mraz + + pam_get_authtok_verify: Avoid duplicate password verification. + If password was already verified by previous modules in the stack + it does not need to be verified by pam_get_authtok_verify either. + + * libpam/pam_get_authtok.c (pam_get_authtok_internal): Set the authtok_verified + appropriately. + (pam_get_authtok_verify): Do not prompt if authtok_verified is set and + set it when the password is verified. + * libpam/pam_private.h: Add authtok_verified to the pam handle struct. + * libpam/pam_start.c (pam_start): Initialize authtok_verified. + +2019-07-16 2*yo + + Mention that ./autogen.sh is needeed to be run if you check out the sources from git + +2019-06-27 Tomas Mraz + + pam_unix: Correct MAXPASS define name in the previous two commits. + * modules/pam_unix/pam_unix_passwd.c: Change MAX_PASS to MAXPASS. + * modules/pam_unix/support.c: Likewise. + +2019-06-27 Florian Best + + Restrict password length when changing password. + + Trim password at PAM_MAX_RESP_SIZE chars. + Issue #118: Protect against Denial of Service attacks. + To prevent hashsum generation via crypt of very long passwords the + password is now stripped to 512 characters. This is equivalent behavior + to unix_chkpwd. + +2019-05-23 Olaf Mandel + + pam_succeed_if: Request user data only when needed. + Allow for conditions that just check the user field to also work for + users not known to the system. Before this caused a PAM_USER_UNKNOWN + even if no extra data for an existing user was needed. E.g. + + auth sufficient pam_succeed_if.so user = NotKnownToSystem + + modules/pam_succeed_if/pam_succeed_if.c (evaluate): Change the pwd + parameter to an input/output parameter. Lazily request pwd with + pam_modutil_getpwnam() if needed and return PAM_USER_UNKNOWN on failure. + + modules/pam_succeed_if/pam_succeed_if.c (pam_sm_authenticate): Don't + request the pwd if !use_uid anymore and shift the output from audit to + after the evaluate() call. Also make sure not to give the normal failure + message if the lazy pwd loading failed. + +2019-02-26 Maciej S. Szmigiero + + pam_tally2: Remove unnecessary fsync() + pam_tally2 does fsync() after writing to a tally file. + This causes hard drive cache flushes on every failed SSH login on many + (if not most) filesystems. + And an internet-exposed machine can have a lot of these failed logins. + + This operation however doesn't seem to be necessary - the pam_tally2 + module does not do any operation which would need explicit post-crash + ordering, it just does simple file reads and writes. + And doing a fsync() after them doesn't close any race if the system happens + to crash between a write being posted and its fsync() completion. + + Let's remove this operation to get rid of all these extra cache flushes. + +2019-02-19 vkwitshana + + Fixed a grammer mistake. + +2019-01-10 Christopher Head + + Fix documentation for pam_wheel. + By default, pam_wheel checks for applicant membership in the wheel group + for *all* access requests, regardless of whether the target user is root + or non-root. Only if root_only is provided does it limit the membership + check to cases when the target user is root. Update the documentation to + reflect this. + +2019-01-10 Louis Sautier + + Fix a typo in the documentation. + +2019-01-10 Nir Soffer + + pam_lastlog: Improve silent option documentation. + The silent option explicitly silents only the last login message and not + bad logins. Add a note to the manual to make this clear. + + * modules/pam_lastlog/pam_lastlog.8.xml: Clearify "silent showfailed" + +2019-01-10 Nir Soffer + + pam_lastlog: Respect PAM_SILENT flag. + pam_lastlog module will not log info about failed login if the session + was opened with PAM_SILENT flag. + + Example use case enabled by this change: + + sudo --non-interactive program + + If this command is run by another program expecting specific output from + the command run by sudo, the unexpected info about failed logins will + break this program. + + * modules/pam_lastlog/pam_lastlog.c: Respect silent option. + (_pam_session_parse): Unset LASTLOG_BTMP if PAM_SILENT is set. + +2019-01-04 Tomas Mraz + + Fix regressions from the last commits. + * configure.ac: Test for logwtmp needs -lutil in LIBS. + * modules/Makefile.am: Fix indentation of variable assignments causing + creation of incorrect Makefile. + +2019-01-04 Rosen Penev + + Replace strndupa with strncpy. + glibc only. A static string is better. + +2019-01-04 Yousong Zhou + + build: ignore pam_lastlog when logwtmp is not available. + * configure.ac: check logwtmp and set COND_BUILD_PAM_LASTLOG + * modules/pam_lastlog/Makefile.am: check COND_BUILD_PAM_LASTLOG + + build: ignore pam_rhosts if neither ruserok nor ruserok_af is available. + * configure.ac: check for ruserok and ruserok_af + * modules/Makefile.am: ignore pam_rhosts/ if it's disabled + * modules/pam_rhosts/pam_rhosts.c: include stdlib.h for malloc and free + +2018-12-20 Tomas Mraz + + pam_motd: Cleanup the code and avoid unnecessary logging. + The pam_motd module will not log if the default motd.d directories + are missing. + + Also cleanup some code cleanliness issues and fix compilation + warnings. + + * modules/pam_motd/pam_motd.c: Constification of constant strings. + (try_to_display_directory): Removed unused function. + (pam_split_string): Replace uint with unsigned int. Fix warnings. + (compare_strings): Fix warnings by proper constification. + (try_to_display_directories_with_overrides): Cleanups. Switch + off the logging if the motd.d directories are missing and they + are default ones. + (pam_sm_open_session): Cleanup warnings. Pass the information + to try_to_display_directories_with_overrides() that non-default + motd options are used. + +2018-12-20 Tomas Mraz + + pam_lastlog: Limit lastlog file use by LASTLOG_UID_MAX option in login.defs. + * modules/pam_lastlog/pam_lastlog.8.xml: Add the documentation of the + LASTLOG_UID_MAX option. + * modules/pam_lastlog/pam_lastlog.c: New function get_lastlog_uid_max(). + (last_login_date): Check the uid against the get_lastlog_uid_max(). + (pam_authenticate): Likewise. + +2018-12-11 Tomas Mraz + + Move the duplicated search_key function to pam_modutil. + * libpam/pam_modutil_searchkey.c: New source file with pam_modutil_search_key(). + * libpam/Makefile.am: Add the pam_modutil_searchkey.c. + * libpam/include/security/pam_modutil.h: Add the pam_modutil_search_key() prototype. + * libpam/libpam.map: Add the pam_modutil_search_key() into a new version. + * modules/pam_faildelay/pam_faildelay.c: Drop search_key() and use + pam_modutil_search_key(). + * modules/pam_umask/pam_umask.c: Likewise. + * modules/pam_unix/support.c: Likewise. + +2018-11-27 Tomas Mraz + + pam_unix: Use pam_syslog instead of helper_log_err. + * modules/pam_unix/passverify.c (verify_pwd_hash): Add pamh argument via + PAMH_ARG_DECL. Call pam_syslog() instead of helper_log_err(). + * modules/pam_unix/passverify.h: Adjust the declaration of verify_pwd_hash(). + * modules/pam_unix/support.c (_unix_verify_password): Add the pamh argument + to verify_pwd_hash() call. + +2018-11-27 Björn Esser + + pam_unix: Report unusable hashes found by checksalt to syslog. + libxcrypt can be build-time configured to support (or not support) + various hashing methods. Future versions will also have support for + runtime configuration by the system's vendor and/or administrator. + + For that reason adminstrator should be notified by pam if users cannot + log into their account anymore because of such a change in the system's + configuration of libxcrypt. + + Also check for malformed hashes, like descrypt hashes starting with + "$2...", which might have been generated by unsafe base64 encoding + functions as used in glibc <= 2.16. + Such hashes are likely to be rejected by many recent implementations + of libcrypt. + + * modules/pam_unix/passverify.c (verify_pwd_hash): Report unusable + hashes found by checksalt to syslog. + +2018-11-27 Tomas Mraz + + Revert "pam_unix: Add crypt_default method, if supported." + This reverts commit ad435b386b22b456724dc5c5b8d9f2d1beffc558. + +2018-11-27 Björn Esser + + pam_unix: Add crypt_default method, if supported. + libxcrypt since v4.4.0 supports a default method for its + gensalt function on most system configurations. As the + default method is to be considered the strongest available + hash method, it should be preferred over all other hash + methods supported by pam. + + * modules/pam_unix/pam_unix.8.xml: Documentation for crypt_default. + * modules/pam_unix/passverify.c: Add crypt_default method. + * modules/pam_unix/support.h: Likewise. + +2018-11-26 Tomas Mraz + + Revert part of the commit 4da9febc. + pam_unix: Do not return a hard failure on invalid or disabled salt + as in some cases the failure actually is not interesting and can + broke things such as password-less sudo. + + * modules/pam_unix/passverify.c (check_shadow_expiry): Revert checking + of disabled or invalid salt. + +2018-11-23 Björn Esser + + pam_unix: Add support for (gost-)yescrypt hashing methods. + libxcrypt (v4.2 and later) has added support for the yescrypt + hashing method; gost-yescrypt has been added in v4.3. + + * modules/pam_unix/pam_unix.8.xml: Documentation for (gost-)yescrypt. + * modules/pam_unix/pam_unix_acct.c: Use 64 bit type for control flags. + * modules/pam_unix/pam_unix_auth.c: Likewise. + * modules/pam_unix/pam_unix_passwd.c: Likewise. + * modules/pam_unix/pam_unix_sess.c: Likewise. + * modules/pam_unix/passverify.c: Add support for (gost-)yescrypt. + * modules/pam_unix/passverify.h: Use 64 bit type for control flags. + * modules/pam_unix/support.c: Set sane rounds for (gost-)yescrypt. + * modules/pam_unix/support.h: Add support for (gost-)yescrypt. + +2018-11-22 Björn Esser + + pam_unix: Fix closing curly brace. (#77) + This has been overlooked during review of commit dce80b3f11b3. + + * modules/pam_unix/support.c (_set_ctrl): Fix closing curly brace. + + Closes: https://github.com/linux-pam/linux-pam/issues/77 + +2018-11-22 Björn Esser + + pam_unix: Add support for crypt_checksalt, if libcrypt supports it. + libxcrypt v4.3 has added the crypt_checksalt function to whether + the prefix at the begining of a given hash string refers to a + supported hashing method. + + Future revisions of this function will add support to check whether + the hashing method, the prefix refers to, was disabled or considered + deprecated by the system's factory presets or system administrator. + Furthermore it will be able to detect whether the parameters, which + are used by the corresponding hashing method, being encoded in the + hash string are not considered to be strong enough anymore. + + *modules/pam_unix/passverify.c: Add support for crypt_checksalt. + +2018-11-22 Björn Esser + + pam_unix: Prefer a gensalt function, that supports auto entropy. + * modules/pam_unix/pam_unix_passwd.c: Initialize rounds parameter to 0. + * modules/pam_unix/passverify.c: Prefer gensalt with auto entropy. + * modules/pam_unix/support.c: Fix sanitizing of rounds parameter. + +2018-11-21 Robert Fairley + + pam_motd: Fix segmentation fault when no motd_dir specified (#76) + This fixes a regression introduced by #69, where motd_path was set + to NULL and passed into strdup() if the motd_dir argument was + not specified in the configuration file. This caused a segmentation + fault. + + * modules/pam_motd/pam_motd.c: fix checks for NULL in arguments + * xtests/Makefile.am: add test scripts and config file + * xtests/tst-pam_motd.sh: add running tst-pam_motd4.sh + * xtests/tst-pam_motd4.pamd: create + * xtests/tst-pam_motd4.sh: create + +2018-11-19 Robert Fairley + + pam_motd: Support multiple motd paths specified, with filename overrides (#69) + Adds specifying multiple paths to motd files and motd.d + directories to be displayed. A colon-separated list of + paths is specified as arguments motd and motd_dir to the + pam_motd module. + + This gives packages several options to install motd files to. + By default, the paths are, with highest priority first: + /etc/motd + /run/motd + /usr/lib/motd + /etc/motd.d/ + /run/motd.d/ + /usr/lib/motd.d/ + + Which is equivalent to the following arguments: + motd=/etc/motd:/run/motd:/usr/lib/motd + motd_dir=/etc/motd.d:/run/motd.d:/usr/lib/motd.d + + Files with the same filename in a lower-priority directory, + as specified by the order in the colon-separated list, are + overridden, meaning PAM will not display them. + + This allows a package to contain motd files under + /usr/lib instead of the host configuration in /etc. + A service may also write a dynamically generated motd in + /run/motd.d/ and have PAM display it without needing a + symlink from /etc/motd.d/ installed. + + Closes #68 + + * modules/pam_motd/pam_motd.8.xml: update documentation + * modules/pam_motd/pam_motd.c: add specifying multiple motd paths + * xtests/.gitignore: add generated test script + * xtests/Makefile.am: add test source, scripts and config files + * xtests/tst-pam_motd.c: create + * xtests/tst-pam_motd.sh: create + * xtests/tst-pam_motd1.pamd: create + * xtests/tst-pam_motd1.sh: create + * xtests/tst-pam_motd2.pamd: create + * xtests/tst-pam_motd2.sh: create + * xtests/tst-pam_motd3.pamd: create + * xtests/tst-pam_motd3.sh: create + +2018-11-16 Björn Esser + + pam_unix: Use bcrypt b-variant for computing new hashes. + Bcrypt hashes used the "$2a$" prefix since 1997. + However, in 2011 an implementation bug was discovered in bcrypt + affecting the handling of characters in passphrases with the 8th + bit set. + + Besides fixing the bug, OpenBSD 5.5 introduced the "$2b$" prefix + for a behavior that exactly matches crypt_blowfish's "$2y$", and + the crypt_blowfish implementation supports it as well since v1.1. + + That said new computed bcrypt hashes should use the "$2b$" prefix. + + * modules/pam_unix/passverify.c: Use bcrypt b-variant. + +2018-06-22 Dmitry V. Levin + + pam_tally, pam_tally2: fix grammar and spelling (#54) + * modules/pam_tally/pam_tally.c (tally_check): Replace + "Account is temporary locked" with "The account is temporarily locked" + in translated messages. + * modules/pam_tally2/pam_tally2.c (tally_check): Likewise. + * po/Linux-PAM.pot: Update pam_tally and pam_tally2 messages. + + Closes: https://github.com/linux-pam/linux-pam/issues/54 + +2018-06-19 Dmitry V. Levin + + Fix grammar of messages printed via pam_prompt. + Turn into proper sentences those messages that are printed without + further modifications using pam_prompt in contexts where proper + sentences are expected. + + * libpam/pam_get_authtok.c (pam_get_authtok_internal): Fix grammar + of the message passed to pam_error. + * modules/pam_limits/pam_limits.c (pam_sm_open_session): Likewise. + * modules/pam_cracklib/pam_cracklib.c (_pam_unix_approve_pass): Fix + grammar of error messages passed to pam_error. + * modules/pam_mail/pam_mail.c (report_mail): Fix grammar of a message + passed to pam_info. + * modules/pam_timestamp/pam_timestamp.c (verbose_success): Likewise. + * modules/pam_selinux/pam_selinux.c (config_context, send_text): Fix + grammar of messages passed to pam_prompt. + * modules/pam_tally/pam_tally.c (tally_check): Fix grammar of messages + passed to pam_info. + * modules/pam_tally2/pam_tally2.c (tally_check): Likewise. + * modules/pam_unix/pam_unix_acct.c (pam_sm_acct_mgmt): Fix grammar + of messages passed to _make_remark. + * modules/pam_unix/pam_unix_passwd.c (_pam_unix_approve_pass, + pam_sm_chauthtok): Likewise. + * po/Linux-PAM.pot: Regenerate. + +2018-06-19 Dmitry V. Levin + + pam_stress: do not mark messages for translation. + pam_stress is not a regular module that needs to be translated. + Besides that, its messages are not easy to understand + and even harder to translate properly. + + * modules/pam_stress/pam_stress.c (pam_sm_chauthtok): Do not mark + messages for translation. + * po/Linux-PAM.pot: Remove pam_stress messages. + +2018-05-31 Dmitry V. Levin + + pam_unix: remove obsolete _UNIX_AUTHTOK, _UNIX_OLD_AUTHTOK, and _UNIX_NEW_AUTHTOK macros + The last use of these macros was removed by commit Linux-PAM-1.3.0~5 + so their definitions should go as well. + + * modules/pam_unix/pam_unix_auth.c (_UNIX_AUTHTOK): Remove. + * modules/pam_unix/pam_unix_passwd.c (_UNIX_OLD_AUTHTOK, + _UNIX_NEW_AUTHTOK): Likewise. + + Complements: 7e09188c5dc4 ("pam_unix: Use pam_get_authtok() instead of + direct pam_prompt() calls.") + +2018-05-31 Dmitry V. Levin + + pam_unix: remove obsolete _unix_read_password prototype. + The function was removed by commit Linux-PAM-1.3.0~5 + so the function prototype should go as well. + + * modules/pam_unix/support.h (_unix_read_password): Remove. + + Complements: 7e09188c5dc4 ("pam_unix: Use pam_get_authtok() instead of + direct pam_prompt() calls.") + +2018-05-18 Thorsten Kukuk + + Release version 1.3.1. + + Add xz compression. + +2018-05-16 Allison Karlitskaya + + pam_motd: add support for a motd.d directory (#48) + Add a new feature to pam_motd to allow packages to install their own + message files in a "motd.d" directory, to be displayed after the primary + motd. + + Add an option motd_d= to specify the location of this directory. + + Modify the defaults, in the case where no options are given, to display + both /etc/motd and /etc/motd.d. + + Fixes #47 + + * modules/pam_motd/pam_motd.c: add support for motd.d + * modules/pam_motd/pam_motd.8.xml: update the manpage + +2018-05-02 Tomas Mraz + + pam_umask: Fix documentation to align with order of loading umask. + * modules/pam_umask/pam_umask.8.xml: Document the real order of loading + umask. + +2018-04-10 Joey Chagnon + + Fix missing word in documentation. + * doc/man/pam_get_user.3.xml: Fix it. + +2017-11-10 Dmitry V. Levin + + pam_tally2 --reset: avoid creating a missing tallylog file. + There is no need for pam_tally2 in --reset=0 mode to create a missing + tallylog file because its absence has the same meaning as its existence + with the appropriate entry reset. + + This was not a big deal until useradd(8) from shadow suite release 4.5 + started to invoke /sbin/pam_tally2 --reset routinely regardless of PAM + configuration. + + The positive effect of this change is noticeable when using tools like + cpio(1) that cannot archive huge sparse files efficiently. + + * modules/pam_tally2/pam_tally2.c [MAIN] (main) : Stat + cline_filename when cline_reset == 0, exit early if the file is missing. + +2017-11-10 Tomas Mraz + + pam_mkhomedir: Allow creating parent of homedir under / + * modules/pam_mkhomedir/mkhomedir_helper.c (make_parent_dirs): Do not + skip creating the directory if we are under /. + +2017-10-09 Tomas Mraz + + pam_tty_audit: Fix regression introduced by adding the uid range support. + * modules/pam_tty_audit/pam_tty_audit.c (parse_uid_range): Fix constification and + remove unneeded code carried from pam_limits. + (pam_sm_open_session): When multiple enable/disable options are present do not + stop after first match. + +2017-09-06 Tomas Mraz + + pam_access: Add note about spaces around ':' in access.conf(5) + * modules/pam_access/access.conf.5.xml: Add note about spaces around ':' + + Workaround formatting problem in pam(8) + * doc/man/pam.8.xml: Workaround formatting problem. + +2017-07-12 Peter Urbanec + + pam_unix: Check return value of malloc used for setcred data (#24) + Check the return value of malloc and if it failed print debug info, send + a syslog message and return an error code. + + The test in AUTH_RETURN for ret_data not being NULL becomes redundant. + +2017-07-10 Tomas Mraz + + pam_cracklib: Drop unused prompt macros. + * modules/pam_cracklib/pam_cracklib.c: Drop the unused macros. + +2017-06-28 Tomas Mraz + + pam_tty_audit: Support matching users by uid range. + * modules/pam_tty_audit/pam_tty_audit.c (parse_uid_range): New function to + parse the uid range. + (pam_sm_open_session): Call parse_uid_range() and behave according to its result. + * modules/pam_tty_audit/pam_tty_audit.8.xml: Document the uid range matching. + +2017-05-31 Tomas Mraz + + pam_access: support parsing files in /etc/security/access.d/*.conf. + * modules/pam_access/pam_access.c (login_access): Return NOMATCH if + there was no match in the parsed file. + (pam_sm_authenticate): Add glob() call to go through the ACCESS_CONF_GLOB + subdirectory and call login_access() on the individual files matched. + * modules/pam_access/pam_access.8.xml: Document the addition. + * modules/pam_access/Makefile.am: Add ACCESS_CONF_GLOB definition. + +2017-04-11 Tomas Mraz + + pam_localuser: Correct the example in documentation. + * modules/pam_localuser/pam_localuser.8.xml: The example configuration + does something different. + + pam_localuser: Correct documentation of return value. + * modules/pam_localuser/pam_localuser.8.xml: The module returns + PAM_PERM_DENIED when the user is not listed. + +2017-03-10 Saul Johnson + + Make maxclassrepeat=1 behavior consistent with docs (#9) + * modules/pam_cracklib/pam_cracklib.c (simple): Apply the maxclassrepeat when greater than 0. + +2017-02-09 Josef Moellers + + Properly test for strtol() failure to find any digits. + * modules/pam_access/pam_access.c (network_netmask_match): Test for endptr set + to beginning and not NULL. + +2017-01-19 Daniel Abrecht + + pam_exec: fix a potential null pointer dereference. + Fix a null pointer dereference when pam_prompt returns PAM_SUCCESS + but the response is set to NULL. + + * modules/pam_exec/pam_exec.c (call_exec): Do not invoke strndupa + with a null pointer. + + Closes: https://github.com/linux-pam/linux-pam/pull/2 + +2016-12-07 Antonio Ospite + + Add missing comma in the limits.conf.5 manpage. + * modules/pam_limits/limits.conf.5.xml: add a missing comma + +2016-11-14 Tomas Mraz + + Regular links doesn't work with -no-numbering -no-references. + * configure.ac: Use elinks instead of links. + +2016-11-01 Tomas Mraz + + pam_access: First check for the (group) match. + The (group) match is performed first to allow for groups + containing '@'. + + * modules/pam_access/pam_access.c (user_match): First check for the (group) match. + +2016-10-17 Tomas Mraz + + pam_ftp: Properly use the first name from the supplied list. + * modules/pam_ftp/pam_ftp.c (lookup): Return first user from the list + of anonymous users if user name matches. + (pam_sm_authenticate): Free the returned value allocated in lookup(). + +2016-09-12 Bartos-Elekes Zsolt + + pam_issue: Fix no prompting in parse escape codes mode. + * modules/pam_issue/pam_issue.c (read_issue_quoted): Fix misplaced strcat(). + +2016-06-30 Maxin B. John + + xtests: remove bash dependency. + There are no bash specific syntax in the xtest scripts. So, remove + the bash dependency. + +2016-06-30 Tomas Mraz + + Unification and cleanup of syslog log levels. + * libpam/pam_handlers.c: Make memory allocation failures LOG_CRIT. + * libpam/pam_modutil_priv.c: Make memory allocation failures LOG_CRIT. + * modules/pam_echo/pam_echo.c: Make memory allocation failures LOG_CRIT. + * modules/pam_env/pam_env.c: Make memory allocation failures LOG_CRIT. + * modules/pam_exec/pam_exec.c: Make memory allocation failures LOG_CRIT. + * modules/pam_filter/pam_filter.c: Make all non-memory call errors LOG_ERR. + * modules/pam_group/pam_group.c: Make memory allocation failures LOG_CRIT. + * modules/pam_issue/pam_issue.c: Make memory allocation failures LOG_CRIT. + * modules/pam_lastlog/pam_lastlog.c: The lastlog file creation is syslogged + with LOG_NOTICE, memory allocation errors with LOG_CRIT, other errors + with LOG_ERR. + * modules/pam_limits/pam_limits.c: User login limit messages are syslogged + with LOG_NOTICE, stale utmp entry with LOG_INFO, non-memory errors with + LOG_ERR. + * modules/pam_listfile/pam_listfile.c: Rejection of user is syslogged + with LOG_NOTICE. + * modules/pam_namespace/pam_namespace.c: Make memory allocation failures + LOG_CRIT. + * modules/pam_nologin/pam_nologin.c: Make memory allocation failures + LOG_CRIT, other errors LOG_ERR. + * modules/pam_securetty/pam_securetty.c: Rejection of access is syslogged + with LOG_NOTICE, non-memory errors with LOG_ERR. + * modules/pam_selinux/pam_selinux.c: Make memory allocation failures LOG_CRIT. + * modules/pam_succeed_if/pam_succeed_if.c: Make all non-memory call errors + LOG_ERR. + * modules/pam_time/pam_time.c: Make memory allocation failures LOG_CRIT. + * modules/pam_timestamp/pam_timestamp.c: Make memory allocation failures + LOG_CRIT. + * modules/pam_unix/pam_unix_acct.c: Make all non-memory call errors LOG_ERR. + * modules/pam_unix/pam_unix_passwd.c: Make memory allocation failures LOG_CRIT, + other errors LOG_ERR. + * modules/pam_unix/pam_unix_sess.c: Make all non-memory call errors LOG_ERR. + * modules/pam_unix/passverify.c: Unknown user is syslogged with LOG_NOTICE. + * modules/pam_unix/support.c: Unknown user is syslogged with LOG_NOTICE and + max retries ignorance by application likewise. + * modules/pam_unix/unix_chkpwd.c: Make all non-memory call errors LOG_ERR. + * modules/pam_userdb/pam_userdb.c: Password authentication error is syslogged + with LOG_NOTICE. + * modules/pam_xauth/pam_xauth.c: Make memory allocation failures LOG_CRIT. + +2016-06-14 Dmitry V. Levin + + pam_timestamp: fix typo in strncmp usage. + Before this fix, a typo in check_login_time resulted to ruser and + struct utmp.ut_user being compared by the first character only, + which in turn could lead to a too low timestamp value being assigned + to oldest_login, effectively causing bypass of check_login_time. + + * modules/pam_timestamp/pam_timestamp.c (check_login_time): Fix typo + in strncmp usage. + + Patch-by: Anton V. Boyarshinov + +2016-05-30 Tomas Mraz + + Correct the examples in pam_fail_delay(3) man page. + doc/man/pam_fail_delay.3.xml: Correct the examples. + +2016-05-11 Tomas Mraz + + Remove spaces in examples for access.conf. + The spaces are ignored only with the default listsep. To remove confusion + if non-default listsep is used they are removed from the examples. + + * modules/pam_access/access.conf: Remove all spaces around ':' in examples. + * modules/pam_access/access.conf.5.xml: Likewise. + +2016-05-05 Mike Frysinger + + build: avoid non-portable == with "test" (ticket #60) + POSIX says test only accepts =. Some shells (including bash) accept ==, + but we should still stick to = for portability. + + * configure.ac: Replace == with = in "test" invocations. + +2016-04-28 Thorsten Kukuk + + Release version 1.3.0. + * NEWS: add changes for 1.3.0. + * configure.ac: bump version number. + * libpam/Makefile.am: bump revision of libpam.so version. + +2016-04-28 Tomas Mraz + + Updated translations from Zanata. + * po/*.po: Updated translations from Zanata. + +2016-04-19 Tomas Mraz + + pam_wheel: Correct the documentation of the root_only option. + * modules/pam_wheel/pam_wheel.8.xml: Correct the documentation of the + root_only option. + + pam_unix: Document that MD5 password hash is used to store old passwords. + modules/pam_unix/pam_unix.8.xml: Document that the MD5 password hash is used + to store the old passwords when remember option is set. + +2016-04-14 Tomas Mraz + + Project registered at Zanata (fedora.zanata.org) for translations. + * zanata.xml: Configuration file for zanata client. + * po/LINGUAS: Update languages as supported by Zanata. + * po/Linux-PAM.pot: Updated from sources. + * po/*.po: Updated from sources. + +2016-04-06 Tomas Mraz + + pam_unix: Use pam_get_authtok() instead of direct pam_prompt() calls. + We have to drop support for not_set_pass option which is not much useful + anyway. Instead we get proper support for authtok_type option. + + * modules/pam_unix/pam_unix.8.xml: Removed not_set_pass option, added authtok_ty + pe + option. + * modules/pam_unix/pam_unix_auth.c (pam_sm_authenticate): Replace _unix_read_pas + sword() + call with equivalent pam_get_authtok() call. + * modules/pam_unix/pam_unix_passwd.c (pam_sm_chauthtok): Likewise and also drop + support for not_set_pass. + * modules/pam_unix/support.c (_unix_read_password): Remove. + * modules/pam_unix/support.h: Remove UNIX_NOT_SET_PASS add UNIX_AUTHTOK_TYPE. + +2016-04-06 Tomas Mraz + + pam_get_authtok(): Add authtok_type support to current password prompt. + * libpam/pam_get_authtok.c (pam_get_authtok_internal): When changing password, + use different prompt for current password allowing for authtok_type to be + displayed to the user. + +2016-04-04 Tomas Mraz + + pam_unix: Make password expiration messages more user-friendly. + * modules/pam_unix/pam_unix_acct.c (pam_sm_acct_mgmt): Make password + expiration messages more user-friendly. + +2016-04-04 Thorsten Kukuk + + innetgr may not be there so make sure that when innetgr is not present then we inform about it and not use it. [ticket#46] + * modules/pam_group/pam_group.c: ditto + * modules/pam_succeed_if/pam_succeed_if.c: ditto + * modules/pam_time/pam_time.c: ditto + + build: fix build when crypt() is not part of crypt_libs [ticket#46] + * configure.ac: Don't set empty -l option in crypt check + + build: use $host_cpu for lib64 directory handling [ticket#46] + * configure.ac: use $host_cpu for lib64 directory handling. + +2016-04-01 Dmitry V. Levin + + Fix whitespace issues. + Remove blank lines at EOF introduced by commit + a684595c0bbd88df71285f43fb27630e3829121e, + making the project free of warnings reported by + git diff --check 4b825dc642cb6eb9a060e54bf8d69288fbee4904 HEAD + + * libpam/pam_dynamic.c: Remove blank line at EOF. + * modules/pam_echo/pam_echo.c: Likewise. + * modules/pam_keyinit/pam_keyinit.c: Likewise. + * modules/pam_mkhomedir/pam_mkhomedir.c: Likewise. + * modules/pam_pwhistory/pam_pwhistory.c: Likewise. + * modules/pam_rhosts/pam_rhosts.c: Likewise. + * modules/pam_sepermit/pam_sepermit.c: Likewise. + * modules/pam_stress/pam_stress.c: Likewise. + +2016-04-01 Thorsten Kukuk + + Use TI-RPC functions if we compile and link against libtirpc. The old SunRPC functions don't work with IPv6. + * configure.ac: Set and restore CPPFLAGS + * modules/pam_unix/pam_unix_passwd.c: Replace getrpcport with + rpcb_getaddr if available. + +2016-03-29 Thorsten Kukuk + + PAM_EXTERN isn't needed anymore, but don't remove it to not break lot of external code using it. + * libpam/include/security/pam_modules.h: Readd PAM_EXTERN for compatibility + + Remove "--enable-static-modules" option and support from Linux-PAM. It was never official supported and was broken since years. + * configure.ac: Remove --enable-static-modules option. + * doc/man/pam_sm_acct_mgmt.3.xml: Remove PAM_EXTERN. + * doc/man/pam_sm_authenticate.3.xml: Likewise. + * doc/man/pam_sm_chauthtok.3.xml: Likewise. + * doc/man/pam_sm_close_session.3.xml: Likewise. + * doc/man/pam_sm_open_session.3.xml: Likewise. + * doc/man/pam_sm_setcred.3.xml: Likewise. + * libpam/Makefile.am: Remove STATIC_MODULES cases. + * libpam/include/security/pam_modules.h: Remove PAM_STATIC parts. + * libpam/pam_dynamic.c: Likewise. + * libpam/pam_handlers.c: Likewise. + * libpam/pam_private.h: Likewise. + * libpam/pam_static.c: Remove file. + * libpam/pam_static_modules.h: Remove header file. + * modules/pam_access/pam_access.c: Remove PAM_EXTERN and PAM_STATIC parts. + * modules/pam_cracklib/pam_cracklib.c: Likewise. + * modules/pam_debug/pam_debug.c: Likewise. + * modules/pam_deny/pam_deny.c: Likewise. + * modules/pam_echo/pam_echo.c: Likewise. + * modules/pam_env/pam_env.c: Likewise. + * modules/pam_exec/pam_exec.c: Likewise. + * modules/pam_faildelay/pam_faildelay.c: Likewise. + * modules/pam_filter/pam_filter.c: Likewise. + * modules/pam_ftp/pam_ftp.c: Likewise. + * modules/pam_group/pam_group.c: Likewise. + * modules/pam_issue/pam_issue.c: Likewise. + * modules/pam_keyinit/pam_keyinit.c: Likewise. + * modules/pam_lastlog/pam_lastlog.c: Likewise. + * modules/pam_limits/pam_limits.c: Likewise. + * modules/pam_listfile/pam_listfile.c: Likewise. + * modules/pam_localuser/pam_localuser.c: Likewise. + * modules/pam_loginuid/pam_loginuid.c: Likewise. + * modules/pam_mail/pam_mail.c: Likewise. + * modules/pam_mkhomedir/pam_mkhomedir.c: Likewise. + * modules/pam_motd/pam_motd.c: Likewise. + * modules/pam_namespace/pam_namespace.c: Likewise. + * modules/pam_nologin/pam_nologin.c: Likewise. + * modules/pam_permit/pam_permit.c: Likewise. + * modules/pam_pwhistory/pam_pwhistory.c: Likewise. + * modules/pam_rhosts/pam_rhosts.c: Likewise. + * modules/pam_rootok/pam_rootok.c: Likewise. + * modules/pam_securetty/pam_securetty.c: Likewise. + * modules/pam_selinux/pam_selinux.c: Likewise. + * modules/pam_sepermit/pam_sepermit.c: Likewise. + * modules/pam_shells/pam_shells.c: Likewise. + * modules/pam_stress/pam_stress.c: Likewise. + * modules/pam_succeed_if/pam_succeed_if.c: Likewise. + * modules/pam_tally/pam_tally.c: Likewise. + * modules/pam_tally2/pam_tally2.c: Likewise. + * modules/pam_time/pam_time.c: Likewise. + * modules/pam_timestamp/pam_timestamp.c: Likewise. + * modules/pam_tty_audit/pam_tty_audit.c: Likewise. + * modules/pam_umask/pam_umask.c: Likewise. + * modules/pam_userdb/pam_userdb.c: Likewise. + * modules/pam_warn/pam_warn.c: Likewise. + * modules/pam_wheel/pam_wheel.c: Likewise. + * modules/pam_xauth/pam_xauth.c: Likewise. + * modules/pam_unix/Makefile.am: Remove STATIC_MODULES part. + * modules/pam_unix/pam_unix_acct.c: Remove PAM_STATIC part. + * modules/pam_unix/pam_unix_auth.c: Likewise. + * modules/pam_unix/pam_unix_passwd.c: Likewise. + * modules/pam_unix/pam_unix_sess.c: Likewise. + * modules/pam_unix/pam_unix_static.c: Removed. + * modules/pam_unix/pam_unix_static.h: Removed. + * po/POTFILES.in: Remove removed files. + * tests/tst-dlopen.c: Remove PAM_STATIC part. + +2016-03-24 Thorsten Kukuk + + Fix check for libtirpc and enhance check for libnsl to include new libnsl. + * configure.ac: fix setting of CFLAGS/LIBS, enhance libnsl check + * modules/pam_unix/Makefile.am: replace NIS_* with TIRPC_* and NSL_* + +2016-03-23 Thorsten Kukuk + + Remove YP dependencies from pam_access, they were never used and such not needed. + * modules/pam_access/Makefile.am: Remove NIS_CFLAGS and NIS_LIBS + * modules/pam_access/pam_access.c: Remove yp_get_default_domain case, + it will never be used. + +2016-03-04 Tomas Mraz + + Add checks for localtime() returning NULL. + * modules/pam_lastlog/pam_lastlog.c (last_login_read): Check for localtime_r + returning NULL. + * modules/pam_tally2/pam_tally2.c (print_one): Check for localtime returning + NULL. + +2016-03-04 Tomas Mraz + + pam_unix: Silence warnings and fix a minor bug. + Fixes a minor bug in behavior when is_selinux_enabled() + returned negative value. + + * modules/pam_unix/passverify.c: Add parentheses to SELINUX_ENABLED macro. + (unix_update_shadow): Safe cast forwho to non-const char *. + * modules/pam_unix/support.c: Remove unused SELINUX_ENABLED macro. + +2016-02-17 Tomas Mraz + + pam_env: Document the /etc/environment file. + * modules/pam_env/Makefile.am: Add the environment.5 soelim stub. + * modules/pam_env/pam_env.8.xml: Add environ(7) reference. + * modules/pam_env/pam_env.conf.5.xml: Add environment alias name. + Add a paragraph about /etc/environment. Add environ(7) reference. + + pam_unix: Add no_pass_expiry option to ignore password expiration. + * modules/pam_unix/pam_unix.8.xml: Document the no_pass_expiry option. + * modules/pam_unix/pam_unix_acct.c (pam_sm_acct_mgmt): If no_pass_expiry + is on and return value data is not set to PAM_SUCCESS then ignore + PAM_NEW_AUTHTOK_REQD and PAM_AUTHTOK_EXPIRED returns. + * modules/pam_unix/pam_unix_auth.c (pam_sm_authenticate): Always set the + return value data. + (pam_sm_setcred): Test for likeauth option and use the return value data + only if set. + * modules/pam_unix/support.h: Add the no_pass_expiry option. + +2016-01-25 Tomas Mraz + + pam_unix: Change the salt length for new hashes to 16 characters. + * modules/pam_unix/passverify.c (create_password_hash): Change the + salt length for new hashes to 16 characters. + +2015-12-17 Tomas Mraz + + Relax the conditions for fatal failure on auditing. + The PAM library calls will not fail anymore for any uid if the return + value from the libaudit call is -EPERM. + + * libpam/pam_audit.c (_pam_audit_writelog): Remove check for uid != 0. + +2015-12-16 Tomas Mraz + + pam_tally2: Optionally log the tally count when checking. + * modules/pam_tally2/pam_tally2.c (tally_parse_args): Add debug option. + (tally_check): Always log the tally count with debug option. + +2015-10-02 Jakub Hrozek + + Docfix: pam handle is const in pam_syslog() and pam_vsyslog() + * doc/man/pam_syslog.3.xml: Add const to pam handle in pam_syslog() and pam_vsyslog(). + +2015-09-24 Tomas Mraz + + pam_loginuid: Add syslog message if required auditd is not detected. + * modules/pam_loginuid/pam_loginuid.c (_pam_loginuid): Add syslog message + if required auditd is not detected. + +2015-09-04 Tomas Mraz + + Allow links to be used instead of w3m for documentation regeneration. + * configure.ac: If w3m is not found check for links. + + Add missing space in pam_misc_setenv man page. + * doc/man/pam_misc_setenv.3.xml: Add a missing space. + +2015-08-12 Tomas Mraz + + pam_rootok: use rootok permission instead of passwd permission in SELinux check. + * modules/pam_rootok/pam_rootok.c (selinux_check_root): Use rootok instead of + passwd permission. + +2015-08-05 Amarnath Valluri + + pam_timestamp: Avoid leaking file descriptor. + * modules/pam_timestamp/hmacsha1.c(hmac_key_create): + close 'keyfd' when failed to own it. + +2015-06-22 Thorsten Kukuk + + Release version 1.2.1. + Security fix: CVE-2015-3238 + + If the process executing pam_sm_authenticate or pam_sm_chauthtok method + of pam_unix is not privileged enough to check the password, e.g. + if selinux is enabled, the _unix_run_helper_binary function is called. + When a long enough password is supplied (16 pages or more, i.e. 65536+ + bytes on a system with 4K pages), this helper function hangs + indefinitely, blocked in the write(2) call while writing to a blocking + pipe that has a limited capacity. + With this fix, the verifiable password length will be limited to + PAM_MAX_RESP_SIZE bytes (i.e. 512 bytes) for pam_exec and pam_unix. + + * NEWS: Update + * configure.ac: Bump version + * modules/pam_exec/pam_exec.8.xml: document limitation of password length + * modules/pam_exec/pam_exec.c: limit password length to PAM_MAX_RESP_SIZE + * modules/pam_unix/pam_unix.8.xml: document limitation of password length + * modules/pam_unix/pam_unix_passwd.c: limit password length + * modules/pam_unix/passverify.c: Likewise + * modules/pam_unix/passverify.h: Likewise + * modules/pam_unix/support.c: Likewise + +2015-04-27 Thorsten Kukuk + + Update NEWS file. + + Release version 1.2.0. + * NEWS: Update + * configure.ac: Bump version + * libpam/Makefile.am: Bump version of libpam + * libpam_misc/Makefile.am: Bump version of libpam_misc + * po/*: Regenerate po files + + Fix some grammatical errors in documentation. Patch by Louis Sautier. + * doc/adg/Linux-PAM_ADG.xml: Fix gramatical errors. + * doc/man/pam.3.xml: Likewise. + * doc/man/pam_acct_mgmt.3.xml: Likewise. + * doc/man/pam_chauthtok.3.xml: Likewise. + * doc/man/pam_sm_chauthtok.3.xml: Likewise. + * modules/pam_limits/limits.conf.5.xml: Likewise. + * modules/pam_mail/pam_mail.8.xml: Likewise. + * modules/pam_rhosts/pam_rhosts.c: Likewise. + * modules/pam_shells/pam_shells.8.xml: Likewise. + * modules/pam_tally/pam_tally.8.xml: Likewise. + * modules/pam_tally2/pam_tally2.8.xml: Likewise. + * modules/pam_unix/pam_unix.8.xml: Likewise. + +2015-04-23 Thorsten Kukuk + + Add "quiet" option to pam_unix to suppress informential info messages from session. + * modules/pam_unix/pam_unix.8.xml: Document new option. + * modules/pam_unix/support.h: Add quiet option. + * modules/pam_unix/pam_unix_sess.c: Don't print LOG_INFO messages if + 'quiet' option is set. + +2015-04-07 Tomas Mraz + + Use crypt_r if available in pam_userdb and in pam_unix. + * modules/pam_unix/passverify.c (create_password_hash): Call crypt_r() + instead of crypt() if available. + * modules/pam_userdb/pam_userdb.c (user_lookup): Call crypt_r() + instead of crypt() if available. + +2015-03-25 Thorsten Kukuk + + Support alternative "vendor configuration" files as fallback to /etc (Ticket#34, patch from ay Sievers ) + * doc/man/pam.8.xml: document additonal config directory + * libpam/pam_handlers.c: add /usr/lib/pam.d as config file fallback directory + * libpam/pam_private.h: adjust defines + + pam_env: expand @{HOME} and @{SHELL} and enhance documentation (Ticket#24 and #29) + * modules/pam_env/pam_env.c: Replace @{HOME} and @{SHELL} with passwd entries + * modules/pam_env/pam_env.conf.5.xml: Document @{HOME} and @{SHELL} + * modules/pam_env/pam_env.8.xml: Enhance documentation + +2015-03-24 Thorsten Kukuk + + Clarify pam_access docs re PAM service names and X $DISPLAY value testing. (Ticket #39) + * modules/pam_access/access.conf.5.xml + * modules/pam_access/pam_access.8.xml + + Don't use sudo directory, the timestamp format is different (Ticket#32) + * modules/pam_timestamp/pam_timestamp.c: Change default timestamp directory. + + Enhance group.conf examples (Ticket#35) + * modules/pam_group/group.conf.5.xml: Enhance example by logic group entry. + + Document timestampdir option (Ticket#33) + * modules/pam_timestamp/pam_timestamp.8.xml: Add timestampdir option. + + Adjust documentation (Ticket#36) + * libpam/pam_delay.c: Change 25% in comment to 50% as used in code. + * doc/man/pam_fail_delay.3.xml: Change 25% to 50% + +2015-02-18 Tomas Mraz + + Updated translations from Transifex. + * po/*.po: Updated translations from Transifex. + +2015-01-07 Dmitry V. Levin + + build: raise gettext version requirement. + Raise gettext requirement to the latest oldstable version 0.18.3. + This fixes the following automake warning: + + configure.ac:581: warning: The 'AM_PROG_MKDIR_P' macro is deprecated, and its use is discouraged. + configure.ac:581: You should use the Autoconf-provided 'AC_PROG_MKDIR_P' macro instead, + configure.ac:581: and use '$(MKDIR_P)' instead of '$(mkdir_p)'in your Makefile.am files. + + * configure.ac (AM_GNU_GETTEXT_VERSION): Raise from 0.15 to 0.18.3. + * po/Makevars: Update from gettext-0.18.3. + +2015-01-07 Ronny Chevalier + + build: adjust automake warning flags. + Enable all automake warning flags except for the portability issues, + since non portable features are used among the makefiles. + + * configure.ac (AM_INIT_AUTOMAKE): Add -Wall -Wno-portability. + +2015-01-07 Dmitry V. Levin + + build: rename configure.in to configure.ac. + This fixes the following automake warning: + aclocal: warning: autoconf input should be named 'configure.ac', not 'configure.in' + + * configure.in: Rename to configure.ac. + +2015-01-07 Dmitry V. Levin + + Remove unmodified GNU gettext files installed by autopoint. + These files are part of GNU gettext; we have not modified them, they are + installed by autopoint which is called by autoreconf, so they had to be + removed from this repository along with ABOUT-NLS, config.rpath, and + mkinstalldirs files that were removed by commit + Linux-PAM-1_1_5-7-g542ec8b. + + * po/Makefile.in.in: Remove. + * po/Rules-quot: Likewise. + * po/boldquot.sed: Likewise. + * po/en@boldquot.header: Likewise. + * po/en@quot.header: Likewise. + * po/insert-header.sin: Likewise. + * po/quot.sed: Likewise. + * po/remove-potcdate.sin: Likewise. + * po/.gitignore: Ignore these files. + +2015-01-06 Ronny Chevalier + + Update .gitignore. + * .gitignore: Ignore *.log and *.trs files. + +2015-01-02 Luke Shumaker + + libpam: Only print "Password change aborted" when it's true. + pam_get_authtok() may be used any time that a password needs to be entered, + unlike pam_get_authtok_{no,}verify(), which may only be used when + changing a password; yet when the user aborts, it prints "Password change + aborted." whether or not that was the operation being performed. + + This bug was non-obvious because none of the modules distributed with + Linux-PAM use it for anything but changing passwords; pam_unix has its + own utility function that it uses instead. As an example, the + nss-pam-ldapd package uses it in pam_sm_authenticate(). + + libpam/pam_get_authtok.c (pam_get_authtok_internal): check that the + password is trying to be changed before printing a message about the + password change being aborted. + +2014-12-10 Dmitry V. Levin + + build: extend cross compiling check to cover CPPFLAGS (ticket #21) + Use BUILD_CPPFLAGS variable to override CPPFLAGS where necessary in + case of cross compiling, in addition to CC_FOR_BUILD, BUILD_CFLAGS, + and BUILD_LDFLAGS variables introduced earlier to override CC, + CFLAGS, and LDFLAGS, respectively. + + * configure.in (BUILD_CPPFLAGS): Define. + * doc/specs/Makefile.am (CPPFLAGS): Define to @BUILD_CPPFLAGS@. + +2014-12-09 Dmitry V. Levin + + Do not use yywrap (ticket #42) + Our scanners do not really use yywrap. Explicitly disable yywrap + so that no references to yywrap will be generated and no LEXLIB + would be needed. + + * conf/pam_conv1/Makefile.am (pam_conv1_LDADD): Remove. + * conf/pam_conv1/pam_conv_l.l: Enable noyywrap option. + * doc/specs/Makefile.am (padout_LDADD): Remove. + * doc/specs/parse_l.l: Enable noyywrap option. + +2014-12-09 Kyle Manna + + doc: fix a trivial typo in pam_authenticate return values (ticket #38) + * doc/man/pam_authenticate.3.xml: Fix a typo in PAM_AUTHINFO_UNAVAIL. + +2014-12-08 Ronny Chevalier + + doc: fix typo in pam_authenticate.3.xml. + * doc/man/pam_authenticate.3.xml: Fix typo. + +2014-10-17 Tomas Mraz + + pam_succeed_if: Fix copy&paste error in rhost and tty values. + modules/pam_succeed_if/pam_succeed_if.c (evaluate): Use PAM_RHOST + and PAM_TTY properly for the rhost and tty values. + +2014-10-17 Tomas Mraz + + pam_succeed_if: Use long long type for numeric values. + The currently used long with additional conversion to int is + too small for uids and gids. + + modules/pam_succeed_if/pam_succeed_if.c (evaluate_num): Replace + strtol() with strtoll() and int with long long in the parameters + of comparison functions. + +2014-09-05 Tomas Mraz + + Add grantor field to audit records of libpam. + The grantor field gives audit trail of PAM modules which granted access + for successful return from libpam calls. In case of failed return + the grantor field is set to '?'. + libpam/pam_account.c (pam_acct_mgmt): Remove _pam_auditlog() call. + libpam/pam_auth.c (pam_authenticate, pam_setcred): Likewise. + libpam/pam_password.c (pam_chauthtok): Likewise. + libpam/pam_session.c (pam_open_session, pam_close_session): Likewise. + libpam/pam_audit.c (_pam_audit_writelog): Add grantors parameter, + add grantor= field to the message if grantors is set. + (_pam_list_grantors): New function creating the string with grantors list. + (_pam_auditlog): Add struct handler pointer parameter, call _pam_list_grantors() + to list the grantors from the handler list. + (_pam_audit_end): Add NULL handler parameter to _pam_auditlog() call. + (pam_modutil_audit_write): Add NULL grantors parameter to _pam_audit_writelog(). + libpam/pam_dispatch.c (_pam_dispatch_aux): Set h->grantor where appropriate. + (_pam_clear_grantors): New function to clear grantor field of handler. + (_pam_dispatch): Call _pam_clear_grantors() before executing the stack. + Call _pam_auditlog() when appropriate. + libpam/pam_handlers.c (extract_modulename): Do not allow empty module name + or just "?" to avoid confusing audit trail. + (_pam_add_handler): Test for NULL return from extract_modulename(). + Clear grantor field of handler. + libpam/pam_private.h: Add grantor field to struct handler, add handler pointer + parameter to _pam_auditlog(). + +2014-08-26 Tomas Mraz + + pam_mkhomedir: Drop superfluous stat() call. + modules/pam_mkhomedir/mkhomedir_helper.c (create_homedir): Drop superfluous + stat() call. + + pam_exec: Do not depend on open() returning STDOUT_FILENO. + modules/pam_exec/pam_exec.c (call_exec): Move the descriptor to + STDOUT_FILENO if needed. + +2014-08-25 Robin Hack + + pam_keyinit: Check return value of setregid. + modules/pam_keyinit/pam_keyinit.c (pam_sm_open_session): Log if setregid() fails. + + pam_filter: Avoid leaking descriptors when fork() fails. + modules/pam_filter/pam_filter.c (set_filter): Close descriptors when fork() fails. + +2014-08-14 Robin Hack + + pam_echo: Avoid leaking file descriptor. + modules/pam_echo/pam_echo.c (pam_echo): Close fd in error cases. + +2014-08-13 Robin Hack + + pam_tty_audit: Silence Coverity reporting uninitialized use. + modules/pam_tty_audit/pam_tty_audit.c (nl_recv): Initialize also + msg_flags. + +2014-08-13 Tomas Mraz + + pam_tally2: Avoid uninitialized use of fileinfo. + Problem found by Robin Hack . + modules/pam_tally2/pam_tally2.c (get_tally): Do not depend on file size + just try to read it. + + pam_access: Avoid uninitialized access of line. + * modules/pam_access/pam_access.c (login_access): Reorder condition + so line is not accessed when uninitialized. + +2014-08-05 Tomas Mraz + + pam_lastlog: Properly clean up last_login structure before use. + modules/pam_lastlog/pam_lastlog.c (last_login_write): Properly clean up last_login + structure before use. + +2014-07-21 Tomas Mraz + + Make pam_pwhistory and pam_unix tolerant of corrupted opasswd file. + * modules/pam_pwhistory/opasswd.c (parse_entry): Test for missing fields + in opasswd entry and return error. + * modules/pam_unix/passverify.c (save_old_password): Test for missing fields + in opasswd entry and skip it. + +2014-06-30 Dmitry V. Levin + + doc: add missing build dependencies for soelim stubs. + * doc/man/Makefile.am [ENABLE_REGENERATE_MAN]: Add dependencies for + pam_verror.3, pam_vinfo.3, pam_vprompt.3, and pam_vsyslog.3 soelim stubs. + +2014-06-23 Dmitry V. Levin + + doc: fix install in case of out of tree build (ticket #31) + * doc/adg/Makefile.am (install-data-local, releasedocs): Fall back + to srcdir if documentation files haven't been found in builddir. + (releasedocs): Treat missing documentation files as an error. + * doc/mwg/Makefile.am: Likewise. + * doc/sag/Makefile.am: Likewise. + +2014-06-19 Dmitry V. Levin + + doc: fix installation of adg-*.html and mwg-*.html files (ticket #31) + Fix a typo due to which sag-*.html files might be installed instead of + adg-*.html and mwg-*.html files. + + * doc/adg/Makefile.am (install-data-local): Install adg-*.html instead + of sag-*.html. + * doc/mwg/Makefile.am (install-data-local): Install mwg-*.html instead + of sag-*.html. + + Patch-by: Mike Frysinger + +2014-06-19 Tomas Mraz + + pam_limits: nofile refers to file descriptors not files. + modules/pam_limits/limits.conf.5.xml: Correct documentation of nofile limit. + modules/pam_limits/limits.conf: Likewise. + + pam_limits: clarify documentation of maxlogins and maxsyslogins limits. + modules/pam_limits/limits.conf.5.xml: clarify documentation of + maxlogins and maxsyslogins limits. + + pam_unix: Check for NULL return from Goodcrypt_md5(). + modules/pam_unix/pam_unix_passwd.c (check_old_password): Check for + NULL return from Goodcrypt_md5(). + + pam_unix: check for NULL return from malloc() + * modules/pam_unix/md5_crypt.c (crypt_md5): Check for NULL return from malloc(). + +2014-05-22 Tomas Mraz + + pam_loginuid: Document one more possible case of PAM_IGNORE return. + modules/pam_loginuid/pam_loginuid.8.xml: Document one more possible case + of PAM_IGNORE return value. + + pam_loginuid: Document other possible return values. + modules/pam_loginuid/pam_loginuid.8.xml: Document the possible return + values. + +2014-03-26 Dmitry V. Levin + + pam_timestamp: fix potential directory traversal issue (ticket #27) + pam_timestamp uses values of PAM_RUSER and PAM_TTY as components of + the timestamp pathname it creates, so extra care should be taken to + avoid potential directory traversal issues. + + * modules/pam_timestamp/pam_timestamp.c (check_tty): Treat + "." and ".." tty values as invalid. + (get_ruser): Treat "." and ".." ruser values, as well as any ruser + value containing '/', as invalid. + + Fixes CVE-2014-2583. + + Reported-by: Sebastian Krahmer + +2014-03-20 Tomas Mraz + + pam_userdb: document that .db suffix should not be used. + modules/pam_userdb/pam_userdb.8.xml: Document that .db suffix + should not be used and correct the example. + +2014-03-11 Tomas Mraz + + pam_selinux: canonicalize user name. + SELinux expects canonical user name for example without domain component. + + * modules/pam_selinux/pam_selinux.c (compute_exec_context): Canonicalize user name with pam_modutil_getpwnam(). + +2014-01-28 Dmitry V. Levin + + Change tarball name back to "Linux-PAM" + As a side effect of commit Linux-PAM-1_1_8-11-g3fa23ce, tarball name + changed accidentally from "Linux-PAM" to "linux-pam". + This change brings it back to "Linux-PAM". + + * configure.in (AC_INIT): Explicitly specify TARNAME argument. + +2014-01-27 Dmitry V. Levin + + Introduce pam_modutil_sanitize_helper_fds. + This change introduces pam_modutil_sanitize_helper_fds - a new function + that redirects standard descriptors and closes all other descriptors. + + pam_modutil_sanitize_helper_fds supports three types of input and output + redirection: + - PAM_MODUTIL_IGNORE_FD: do not redirect at all. + - PAM_MODUTIL_PIPE_FD: redirect to a pipe. For stdin, it is implemented + by creating a pipe, closing its write end, and redirecting stdin to + its read end. Likewise, for stdout/stderr it is implemented by + creating a pipe, closing its read end, and redirecting to its write + end. Unlike stdin redirection, stdout/stderr redirection to a pipe + has a side effect that a process writing to such descriptor should be + prepared to handle SIGPIPE appropriately. + - PAM_MODUTIL_NULL_FD: redirect to /dev/null. For stdin, it is + implemented via PAM_MODUTIL_PIPE_FD because there is no functional + difference. For stdout/stderr, it is classic redirection to + /dev/null. + + PAM_MODUTIL_PIPE_FD is usually more suitable due to linux kernel + security restrictions, but when the helper process might be writing to + the corresponding descriptor and termination of the helper process by + SIGPIPE is not desirable, one should choose PAM_MODUTIL_NULL_FD. + + * libpam/pam_modutil_sanitize.c: New file. + * libpam/Makefile.am (libpam_la_SOURCES): Add it. + * libpam/include/security/pam_modutil.h (pam_modutil_redirect_fd, + pam_modutil_sanitize_helper_fds): New declarations. + * libpam/libpam.map (LIBPAM_MODUTIL_1.1.9): New interface. + * modules/pam_exec/pam_exec.c (call_exec): Use + pam_modutil_sanitize_helper_fds. + * modules/pam_mkhomedir/pam_mkhomedir.c (create_homedir): Likewise. + * modules/pam_unix/pam_unix_acct.c (_unix_run_verify_binary): Likewise. + * modules/pam_unix/pam_unix_passwd.c (_unix_run_update_binary): + Likewise. + * modules/pam_unix/support.c (_unix_run_helper_binary): Likewise. + * modules/pam_xauth/pam_xauth.c (run_coprocess): Likewise. + * modules/pam_unix/support.h (MAX_FD_NO): Remove. + +2014-01-27 Dmitry V. Levin + + pam_xauth: avoid potential SIGPIPE when writing to xauth process. + Similar issue in pam_unix was fixed by commit Linux-PAM-0-73~8. + + * modules/pam_xauth/pam_xauth.c (run_coprocess): In the parent process, + close the read end of input pipe after writing to its write end. + +2014-01-27 Dmitry V. Levin + + pam_loginuid: log significant loginuid write errors. + * modules/pam_loginuid/pam_loginuid.c (set_loginuid): Log those errors + during /proc/self/loginuid update that are not ignored. + +2014-01-27 Dmitry V. Levin + + Fix gratuitous use of strdup and x_strdup. + There is no need to copy strings passed as arguments to execve, + the only potentially noticeable effect of using strdup/x_strdup + would be a malformed argument list in case of memory allocation error. + + Also, x_strdup, being a thin wrapper around strdup, is of no benefit + when its argument is known to be non-NULL, and should not be used in + such cases. + + * modules/pam_cracklib/pam_cracklib.c (password_check): Use strdup + instead of x_strdup, the latter is of no benefit in this case. + * modules/pam_ftp/pam_ftp.c (lookup): Likewise. + * modules/pam_userdb/pam_userdb.c (user_lookup): Likewise. + * modules/pam_userdb/pam_userdb.h (x_strdup): Remove. + * modules/pam_mkhomedir/pam_mkhomedir.c (create_homedir): Do not use + x_strdup for strings passed as arguments to execve. + * modules/pam_unix/pam_unix_acct.c (_unix_run_verify_binary): Likewise. + * modules/pam_unix/pam_unix_passwd.c (_unix_run_update_binary): Likewise. + * modules/pam_unix/support.c (_unix_run_helper_binary): Likewise. + (_unix_verify_password): Use strdup instead of x_strdup, the latter + is of no benefit in this case. + * modules/pam_xauth/pam_xauth.c (run_coprocess): Do not use strdup for + strings passed as arguments to execv. + +2014-01-27 Dmitry V. Levin + + pam_userdb: fix password hash comparison. + Starting with commit Linux-PAM-0-77-28-g0b3e583 that introduced hashed + passwords support in pam_userdb, hashes are compared case-insensitively. + This bug leads to accepting hashes for completely different passwords in + addition to those that should be accepted. + + Additionally, commit Linux-PAM-1_1_6-13-ge2a8187 that added support for + modern password hashes with different lengths and settings, did not + update the hash comparison accordingly, which leads to accepting + computed hashes longer than stored hashes when the latter is a prefix + of the former. + + * modules/pam_userdb/pam_userdb.c (user_lookup): Reject the computed + hash whose length differs from the stored hash length. + Compare computed and stored hashes case-sensitively. + Fixes CVE-2013-7041. + + Bug-Debian: http://bugs.debian.org/731368 + +2014-01-24 Dmitry V. Levin + + pam_xauth: log fatal errors preventing xauth process execution. + * modules/pam_xauth/pam_xauth.c (run_coprocess): Log errors from pipe() + and fork() calls. + +2014-01-22 Dmitry V. Levin + + pam_loginuid: cleanup loginuid buffer initialization. + * modules/pam_loginuid/pam_loginuid.c (set_loginuid): Move loginuid + buffer initialization closer to its first use. + +2014-01-22 Dmitry V. Levin + + libpam_misc: fix an inconsistency in handling memory allocation errors. + When misc_conv fails to allocate memory for pam_response array, it + returns PAM_CONV_ERR. However, when read_string fails to allocate + memory for a response string, it loses the response string and silently + ignores the error, with net result as if EOF has been read. + + * libpam_misc/misc_conv.c (read_string): Use strdup instead of x_strdup, + the latter is of no benefit in this case. + Do not ignore potential memory allocation errors returned by strdup, + forward them to misc_conv. + +2014-01-20 Dmitry V. Levin + + pam_limits: fix utmp->ut_user handling. + ut_user member of struct utmp is a string that is not necessarily + null-terminated, so extra care should be taken when using it. + + * modules/pam_limits/pam_limits.c (check_logins): Convert ut->UT_USER to + a null-terminated string and consistently use it where a null-terminated + string is expected. + +2014-01-20 Dmitry V. Levin + + pam_mkhomedir: check and create home directory for the same user (ticket #22) + Before pam_mkhomedir helper was introduced in commit + 7b14630ef39e71f603aeca0c47edf2f384717176, pam_mkhomedir was checking for + existance and creating the same directory - the home directory of the + user NAME returned by pam_get_item(PAM_USER). + + The change in behaviour accidentally introduced along with + mkhomedir_helper is not consistent: while the module still checks for + getpwnam(NAME)->pw_dir, the directory created by mkhomedir_helper is + getpwnam(getpwnam(NAME)->pw_name)->pw_dir, which is not necessarily + the same as the directory being checked. + + This change brings check and creation back in sync, both handling + getpwnam(NAME)->pw_dir. + + * modules/pam_mkhomedir/pam_mkhomedir.c (create_homedir): Replace + "struct passwd *" argument with user's name and home directory. + Pass user's name to MKHOMEDIR_HELPER. + (pam_sm_open_session): Update create_homedir call. + +2014-01-20 Tomas Mraz + + pam_limits: detect and ignore stale utmp entries. + Original idea by Christopher Hailey + + * modules/pam_limits/pam_limits.c (check_logins): Use kill() to + detect if pid of the utmp entry is still running and ignore the entry + if it is not. + +2014-01-19 Stéphane Graber + + pam_loginuid: Always return PAM_IGNORE in userns. + The previous patch to support user namespaces works fine with containers + that are started from a desktop/terminal session but fails when dealing + with containers that were started from a remote session such as ssh. + + I haven't looked at the exact reason for that in the kernel but on the + userspace side of things, the difference is that containers started from + an ssh session will happily let pam open /proc/self/loginuid read-write, + will let it read its content but will then fail with EPERM when trying + to write to it. + + So to make the userns support bullet proof, this commit moves the userns + check earlier in the function (which means a small performance impact as + it'll now happen everytime on kernels that have userns support) and will + set rc = PAM_IGNORE instead of rc = PAM_ERROR. + + The rest of the code is still executed in the event that PAM is run on a + future kernel where we have some kind of audit namespace that includes a + working loginuid. + +2014-01-15 Steve Langasek + + pam_namespace: don't use bashisms in default namespace.init script. + * modules/pam_namespace/pam_namespace.c: call setuid() before execing the + namespace init script, so that scripts run with maximum privilege regardless + of the shell implementation. + * modules/pam_namespace/namespace.init: drop the '-p' bashism from the + shebang line + + This is not a POSIX standard option, it's a bashism. The bash manpage says + that it's used to prevent the effective user id from being reset to the real + user id on startup, and to ignore certain unsafe variables from the + environment. + + In the case of pam_namespace, the -p is not necessary for environment + sanitizing because the PAM module (properly) sanitizes the environment + before execing the script. + + The stated reason given in CVS history for passing -p is to "preserve euid + when called from setuid apps (su, newrole)." This should be done more + portably, by calling setuid() before spawning the shell. + + Bug-Debian: http://bugs.debian.org/624842 + Bug-Ubuntu: https://bugs.launchpad.net/bugs/1081323 + +2014-01-10 Stéphane Graber + + pam_loginuid: Ignore failure in user namespaces. + When running pam_loginuid in a container using the user namespaces, even + uid 0 isn't allowed to set the loginuid property. + + This change catches the EACCES from opening loginuid, checks if the user + is in the host namespace (by comparing the uid_map with the host's one) + and only if that's the case, sets rc to 1. + + Should uid_map not exist or be unreadable for some reason, it'll be + assumed that the process is running on the host's namespace. + + The initial reason behind this change was failure to ssh into an + unprivileged container (using a 3.13 kernel and current LXC) when using + a standard pam profile for sshd (which requires success from + pam_loginuid). + + I believe this solution doesn't have any drawback and will allow people + to use unprivileged containers normally. An alternative would be to have + all distros set pam_loginuid as optional but that'd be bad for any of + the other potential failure case which people may care about. + + There has also been some discussions to get some of the audit features + tied with the user namespaces but currently none of that has been merged + upstream and the currently proposed implementation doesn't cover + loginuid (nor is it clear how this should even work when loginuid is set + as immutable after initial write). + +2014-01-10 Dmitry V. Levin + + pam_loginuid: return PAM_IGNORE when /proc/self/loginuid does not exist. + When /proc/self/loginuid does not exist, return PAM_IGNORE instead of + PAM_SUCCESS, so that we can distinguish between "loginuid set + successfully" and "loginuid not set, but this is expected". + + Suggested by Steve Langasek. + + * modules/pam_loginuid/pam_loginuid.c (set_loginuid): Change return + code semantics: return PAM_SUCCESS on success, PAM_IGNORE when loginuid + does not exist, PAM_SESSION_ERR in case of any other error. + (_pam_loginuid): Forward the PAM error code returned by set_loginuid. + +2013-11-20 Dmitry V. Levin + + pam_access: fix debug level logging (ticket #19) + * modules/pam_access/pam_access.c (group_match): Log the group token + passed to the function, not an uninitialized data on the stack. + + pam_warn: log flags passed to the module (ticket #25) + * modules/pam_warn/pam_warn.c (log_items): Take "flags" argument and + log it using pam_syslog. + (pam_sm_authenticate, pam_sm_setcred, pam_sm_chauthtok, + pam_sm_acct_mgmt, pam_sm_open_session, pam_sm_close_session): Pass + "flags" argument to log_items. + +2013-11-20 Dmitry V. Levin + + Modernize AM_INIT_AUTOMAKE invocation. + Before this change, automake complained that two- and three-arguments + forms of AM_INIT_AUTOMAKE are deprecated. + + * configure.in: Pass PACKAGE and VERSION arguments to AC_INIT instead + of AM_INIT_AUTOMAKE. + +2013-11-20 Dmitry V. Levin + + Fix autoconf warnings. + Before this change, autoconf complained that AC_COMPILE_IFELSE + and AC_RUN_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS. + + * configure.in: Call AC_USE_SYSTEM_EXTENSIONS before LT_INIT. + +2013-11-20 Dmitry V. Levin + + pam_securetty: check return value of fgets. + Checking return value of fgets not only silences the warning from glibc + but also leads to a cleaner code. + + * modules/pam_securetty/pam_securetty.c (securetty_perform_check): + Check return value of fgets. + +2013-11-20 Dmitry V. Levin + + pam_lastlog: fix format string. + gcc -Wformat justly complains: + format '%d' expects argument of type 'int', but argument 5 has type 'time_t' + + * modules/pam_lastlog/pam_lastlog.c (pam_sm_authenticate): Fix format + string. + +2013-11-20 Darren Tucker + + If the correct loginuid is set already, skip writing it. + modules/pam_loginuid/pam_loginuid.c (set_loginuid): Read the current loginuid + and skip writing if already correctly set. + +2013-11-11 Thorsten Kukuk + + Always ask for old password if changing NIS account. + * modules/pam_unix/pam_unix_passwd.c (pam_sm_chauthtok): ask + for old password if NIS account. + +2013-11-08 Thorsten Kukuk + + Allow DES as compatibility option for /etc/login.defs. + * modules/pam_unix/support.h: Add UNIX_DES + +2013-10-14 Tomas Mraz + + Docfix: pam_prompt() and pam_vprompt() return int. + doc/man/pam_prompt.3.xml: pam_prompt() and pam_vprompt() return int. + + Make pam_tty_audit work with old kernels not supporting log_passwd. + modules/pam_tty_audit/pam_tty_audit.c(nl_recv): Pad result with zeros + if message is short from older kernel. + +2013-09-25 Tomas Mraz + + Fix pam_tty_audit log_passwd support and regression. + modules/pam_tty_audit/pam_tty_audit.c: Add missing "config.h" include. + (pam_sm_open_session): Always copy the old status as initialization of new. + +2013-09-19 Thorsten Kukuk + + Release version 1.1.8. + +2013-09-16 Thorsten Kukuk + + Check return value of setuid to remove glibc warnings. + * modules/pam_unix/pam_unix_acct.c: Check setuid return value. + * modules/pam_unix/support.c: Likewise. + +2013-09-13 Tomas Mraz + + Write to *rounds only if non-NULL. + modules/pam_unix/support.c(_set_ctrl): Write to *rounds only if non-NULL. + + Add missing ')' + modules/pam_unix/pam_unix_passwd.c: Add missing ')'.. + +2013-09-11 Thorsten Kukuk + + Release version 1.1.7. + +2013-09-11 Tomas Mraz + + Updated translations from Transifex. + po/*.po: Updated translations from Transifex. + +2013-09-04 Thorsten Kukuk + + Extend pam_exec by stdout and type= options (ticket #8): + * modules/pam_exec/pam_exec.c: Add stdout and type= option + * modules/pam_exec/pam_exec.8.xml: Document new options + +2013-08-30 Thorsten Kukuk + + Fix compile error. + * modules/pam_unix/pam_unix_acct.c: fix last change + +2013-08-29 Thorsten Kukuk + + Restart waitpid if it returns with EINTR (ticket #17) + * modules/pam_unix/pam_unix_acct.c: run waitpid in a while loop. + * modules/pam_unix/pam_unix_passwd.c: Likewise. + * modules/pam_unix/support.c: Likewise. + +2013-08-28 Thorsten Kukuk + + misc_conv.3: Fix documentation of misc_conv. + doc/man/misc_conv.3.xml: Fix return value of misc_conv + +2013-08-23 Tomas Mraz + + Apply the exclusive check in pam_sepermit only when loginuid not set. + * modules/pam_sepermit/pam_sepermit.c(get_loginuid): Read loginuid from + /proc + (sepermit_match): Apply the exclusive check only when loginuid not set. + +2013-08-22 Tomas Mraz + + Updated translations from Transifex. + * po/*.po: Updated translations from Transifex. + +2013-07-01 Dmitry V. Levin + + pam_rootok: fix linking in --enable-audit mode. + pam_rootok.c explicitly uses functions from libaudit, so the module has + to be linked with the library. + + * modules/pam_rootok/Makefile.am (pam_rootok_la_LIBADD): Add @LIBAUDIT@. + +2013-07-01 Richard Guy Briggs + + pam_tty_audit: fix a typo that crept in during patch review. + * modules/pam_tty_audit/pam_tty_audit.c (pam_sm_open_session): Replace + all occurrences of HAVE_AUDIT_TTY_STATUS_LOG_PASSWD with + HAVE_STRUCT_AUDIT_TTY_STATUS_LOG_PASSWD. + * configure.in (HAVE_AUDIT_TTY_STATUS_LOG_PASSWD): Remove. + +2013-06-21 Richard Guy Briggs + + pam_tty_audit: add an option to control logging of passwords: log_passwd + Most commands are entered one line at a time and processed as complete lines + in non-canonical mode. Commands that interactively require a password, enter + canonical mode with echo set to off to do this. This feature (icanon and + !echo) can be used to avoid logging passwords by audit while still logging the + rest of the command. Adding a member to the struct audit_tty_status passed in + by pam_tty_audit allows control of logging passwords per task. + + * configure.in: autoconf bits to conditionally add support at compile time + depending on struct audit_tty_status kernel header version. + * modules/pam_tty_audit/pam_tty_audit.8.xml: Document new pam_tty_audit module + log_passwd option. + * modules/pam_tty_audit/pam_tty_audit.c: (pam_sm_open_session): Added + "log_passwd" option parsing. + +2013-06-20 Tomas Mraz + + Man page fix - unix_update runs in the permissive mode as well. + modules/pam_unix/unix_update.8.xml: unix_update helper runs in the + permissive mode as well. + +2013-06-18 Thorsten Kukuk + + Use hash from /etc/login.defs as default if no other one is specified as argument. + * modules/pam_unix/support.c: Add search_key, call from __set_ctrl + * modules/pam_unix/support.h: Add define for /etc/login.defs + * modules/pam_unix/pam_unix.8.xml: Document new behavior. + * modules/pam_umask/pam_umask.c: Add missing NULL pointer check + +2013-04-12 Tomas Mraz + + pam_access: better not change the default function used to get domain name. + modules/pam_access/pam_access.c (netgroup_match): As we did not use + yp_get_default_domain() in the 1.1 branch due to typo in ifdef + we should use it only as fallback. + +2013-03-28 Tomas Mraz + + Fix strict aliasing issue in MD5 implementations. + modules/pam_namespace/md5.c (MD5Final): Use memcpy instead of assignment. + modules/pam_unix/md5.c (MD5Final): Use memcpy instead of assignment. + +2013-03-22 Tomas Mraz + + pam_lastlog: Do not fail on short read if btmp is corrupted. + modules/pam_lastlog/pam_lastlog.c (last_login_failed): Just warn, not fail + on short read or read error. + + pam_rootok: Allow proper logging of the user AVC if access disallowed by SELinux + modules/pam_rootok/pam_rootok.c (log_callback, selinux_check_root): New functions. + (check_for_root): Use the selinux_check_root() instead of checkPasswdAccess. + +2013-02-08 Tomas Mraz + + Add checks for crypt() returning NULL. + modules/pam_pwhistory/opasswd.c (compare_password): Add check for crypt() NULL return. + modules/pam_unix/bigcrypt.c (bigcrypt): Likewise. + +2013-02-07 Tomas Mraz + + pam_userdb: Allow also modern password hashes supported by crypt(). + modules/pam_userdb/pam_userdb.c (user_lookup): Allow password hashes + longer than 13 characters and long salt. + +2013-01-18 Walter de Jong + + pam_access: fix typo in ifdef. + modules/pam_access/pam_access.c (netgroup_match): Fix typo + in #ifdef HAVE_YP_GET_DEFAULT_DOMAIN. + +2012-12-20 Tomas Mraz + + pam_cracklib: Mention checks that are not run for root. + modules/pam_cracklib/pam_cracklib.8.xml: Add note about checks + when run as root. + + Update also the POT file. + po/Linux-PAM.pot: Update to reflect current sources. + +2012-12-12 Tomas Mraz + + Updated translations from Transifex, added new languages. + po/LINGUAS: Added new languages. + po/*.po: Updated translations from Transifex including new languages. + +2012-11-30 Tomas Mraz + + pam_selinux: Drop obsolete and unsupported manual context selection. + modules/pam_selinux/pam_selinux.c (manual_context): Drop function. + (compute_exec_context): Drop manual_context() call. + +2012-11-23 Tomas Mraz + + pam_limits: fix grammatical mistake. + modules/pam_limits/limits.conf: Fix grammatical mistake. + +2012-11-13 Tomas Mraz + + Reflect the enforce_for_root semantics change in pam_pwhistory xtest. + xtests/tst-pam_pwhistory1.pamd: Use enforce_for_root as the test is + running with real uid == 0. + +2012-10-10 Dmitry V. Levin + + pam_unix: fix build in --enable-selinux mode. + glibc's starting with commit + http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=glibc-2.15-231-gd94a467 + does not include for POSIX 2008 conformance reasons, so + when pam is being built with SELinux support enabled, pam_unix_passwd.c + uses getrlimit(2) and therefore should include without + relying on other headers. + + * modules/pam_unix/pam_unix_passwd.c: Include . + + Reported-by: Guido Trentalancia + Reported-by: "Jory A. Pratt" + Reported-by: Diego Elio Pettenò + +2012-10-10 Tomas Mraz + + pam_namespace: add mntopts flag for tmpfs mount options. + modules/pam_namespace/pam_namespace.h: Add mount_opts member to polydir + structure. + modules/pam_namespace/pam_namespace.c (del_polydir): Free the mount_opts. + (parse_method): Parse the mntopts flag. + (ns_setup): Pass the mount_opts to mount(). + modules/pam_namespace/namespace.conf.5.xml: Document the mntopts flag. + +2012-09-06 Tomas Mraz + + pam_selinux, pam_tally2: Add tty and rhost to audit data. + modules/pam_selinux/pam_selinux.c (send_audit_message): Obtain tty and + rhost from PAM items and pass them to audit. + modules/pam_tally2/pam_tally2.c (tally_check): Obtain tty and + rhost from PAM items and pass them to audit. + (main): Obtain tty name of stdin and pass it to audit. + + Update configure.in to use more recent interfaces. + configure.in: Use LT_INIT instead of AC_PROG_LIBTOOL and AS_HELP_STRING instead + of AC_HELP_STRING. + +2012-08-17 Tomas Mraz + + Add missing $(DESTDIR) when making directories on install. + modules/pam_namespace/Makefile.am: Add missing $(DESTDIR) when making + $(namespaceddir) on install. + modules/pam_sepermit/Makefile.am: Add missing $(DESTDIR) when making + $(sepermitlockdir) on install. + +2012-08-17 Thorsten Kukuk + + release version 1.1.6. + configure.in: Bump version to 1.1.6 + NEWS: Document changes + po/*.po: Regenerate *.po files + +2012-08-16 Thorsten Kukuk + + Small documentation and define fixes. + modules/pam_limits/limits.conf.5.xml: Document race of maxlogins [#10] + modules/pam_namespace/pam_namespace.h: Define MS_SLAVE if necessary + modules/pam_pwhistory/pam_pwhistory.c: Document how the module works + modules/pam_unix/pam_unix.8.xml: Document remember option obsoleted by pam_pwhistory [#6] + +2012-08-13 Tomas Mraz + + Respect PAM_AUTHTOK_TYPE in pam_get_authtok_verify(). + libpam/pam_get_authtok.c (pam_get_authtok_internal): Set the PAM_AUTHTOK_TYPE + item when obtained from module options. + (pam_get_authtok_verify): Use the PAM_AUTHTOK_TYPE item when prompting. + +2012-08-09 Tomas Mraz + + Document limits.d also in the limits.conf manpage. + modules/pam_limits/limits.conf.5.xml: Document the limits.d existence. + +2012-07-23 Tomas Mraz + + New autotools do not create empty directories on install. + modules/pam_namespace/Makefile.am: Add install-data-local target to create + namespaceddir. + modules/pam_sepermit/Makefile.am: Add install-data-local target to create + sepermitlockdir. + +2012-07-09 Stevan Bajić + + RLIMIT_* variables are no longer defined unless you explicitly include sys/resource.h. + + modules/pam_unix/pam_unix_acct.c: Include sys/resource.h. + +2012-06-27 Tomas Mraz + + pam_umask: correct the documentation of GECOS field parsing. + modules/pam_umask/pam_umask.8.xml: Correct the documentation of GECOS field + parsing. + +2012-06-22 Tomas Mraz + + pam_cracklib: Add monotonic character sequence checking. + modules/pam_cracklib/pam_cracklib.c (_pam_parse): Parse the maxsequence option. + (sequence): New function to check for too long monotonic sequence of characters. + (password_check): Call the sequence(). + modules/pam_cracklib/pam_cracklib.8.xml: Document the maxsequence check. + +2012-06-01 Tomas Mraz + + pam_timestamp: Fix copy&paste error in manpage. + modules/pam_timestamp/pam_timestamp.8.xml: Fix AUTHOR section. + +2012-05-28 Tomas Mraz + + Pulled new translations from Transifex. + po/*.po: Updated translations. + + pam_pwhistory: Always record the old password even when root changes it. + modules/pam_pwhistory/pam_pwhistory.c (pam_sm_chauthtok): Use the UID of + the process instead of the target user UID (same as in pam_cracklib) to + check for root. Always record old password. + +2012-05-24 Tomas Mraz + + pam_cracklib: Add enforce_for_root option. + modules/pam_cracklib/pam_cracklib.c (_pam_parse): Recognize the enforce_for_root option. + (pam_sm_chauthtok): Enforce errors for root with the option. + modules/pam_cracklib/pam_cracklib.8.xml: Document the enforce_for_root option. + +2012-04-30 Tomas Mraz + + pam_cracklib: Add maxclassrepeat, gecoscheck checks and remove unused difignore. + modules/pam_cracklib/pam_cracklib.c (_pam_parse): Recognize the maxclassrepeat, gecoscheck options. Ignore difignore option. + (simple): Add the check for the same class repetition. + (usercheck): Refactor into wordcheck(). + (gecoscheck): New test for words from the GECOS field. + (password_check): Call the gecoscheck(). + (pam_sm_chauthtok): Drop the diff_ignore from options struct. + modules/pam_cracklib/pam_cracklib.8.xml: Document the maxclassrepeat and gecoscheck checks, update the documentation of the difok test. + + pam_lastlog: Never lock out the root account. + modules/pam_lastlog/pam_lastlog.c (pam_sm_authenticate): Return PAM_SUCCESS if + uid==0. + modules/pam_lastlog/pam_lastlog.8.xml: Improve documentation. + +2012-04-17 Tomas Mraz + + pam_lastlog: add possibility to lock out inactive users in auth or account + * modules/pam_lastlog/pam_lastlog.8.xml: Document the new functionality and + option. + * modules/pam_lastlog/pam_lastlog.c: Add the inactive user lock out. + (_pam_session_parse): Renamed from _pam_parse. + (_pam_auth_parse): New function to parse auth arguments. + (_last_login_open): Factor out opening of the lastlog file. + (_last_login_read): Factor out opening of the lastlog file. + (pam_sm_authenticate): Implement the lockout functionality. + (pam_sm_setcred): Just return PAM_SUCCESS. + (pam_sm_acct_mgmt): Call pam_sm_authenticate(). + +2012-04-11 Paul Wouters + + Check for crypt() failure returning NULL. + * modules/pam_unix/pam_unix_passwd.c (pam_sm_chauthtok): Adjust syslog message. + * modules/pam_unix/passverify.c (create_password_hash): Check for crypt() + returning NULL. + +2012-02-03 Dmitry V. Levin + + pam_unix: make configuration consistent in --enable-static-modules mode. + In --enable-static-modules mode, it was not possible to use "pam_unix" + in PAM config files. Instead, different names had to be used for each + management group: pam_unix_auth, pam_unix_acct, pam_unix_passwd and + pam_unix_session. This change makes pam_unix configuration consistent + with other PAM modules. + + * README: Remove the paragraph describing pam_unix distinctions in + --enable-static-modules mode. + * libpam/pam_static_modules.h (_pam_unix_acct_modstruct, + _pam_unix_auth_modstruct, _pam_unix_passwd_modstruct, + _pam_unix_session_modstruct): Remove. + (_pam_unix_modstruct): New pam_module declaration. + * modules/pam_unix/pam_unix_static.h: New file. + * modules/pam_unix/pam_unix_static.c: Likewise. + * modules/pam_unix/Makefile.am (noinst_HEADERS): Add pam_unix_static.h + (pam_unix_la_SOURCES) [STATIC_MODULES]: Add pam_unix_static.c + * modules/pam_unix/pam_unix_acct.c [PAM_STATIC]: Include + pam_unix_static.h + [PAM_STATIC] (_pam_unix_acct_modstruct): Remove. + * modules/pam_unix/pam_unix_auth.c [PAM_STATIC]: Include + pam_unix_static.h + [PAM_STATIC] (_pam_unix_auth_modstruct): Remove. + * modules/pam_unix/pam_unix_passwd.c [PAM_STATIC]: Include + pam_unix_static.h + [PAM_STATIC] (_pam_unix_passwd_modstruct): Remove. + * modules/pam_unix/pam_unix_sess.c [PAM_STATIC]: Include + pam_unix_static.h + [PAM_STATIC] (_pam_unix_session_modstruct): Remove. + + Suggested-by: Matveychikov Ilya + +2012-01-27 Dmitry V. Levin + + Make --disable-cracklib compatible with --enable-static-modules mode. + * configure.in: Define HAVE_LIBCRACK when cracklib is enabled. + * libpam/pam_static_modules.h (static_modules): Guard the use of + _pam_cracklib_modstruct by HAVE_LIBCRACK macro. + +2012-02-10 Tomas Mraz + + Add missing includes for types used in the pam_modutil.h. + * libpam/include/security/pam_modutil.h: Add missing includes for used types. + +2012-01-27 Matveychikov Ilya + + Fix compile time errors in --enable-static-modules mode. + * libpam/pam_static_modules.h (_pam_rhosts_auth_modstruct): Remove + obsolete declaration. + (static_modules): Remove undefined reference to + _pam_rhosts_auth_modstruct. + * modules/pam_pwhistory/opasswd.h: Rename {save,check}_old_password to + {save,check}_old_pass in order to avoid conflicts with pam_unix. + * modules/pam_pwhistory/opasswd.c: Likewise. + * modules/pam_pwhistory/pam_pwhistory.c: Likewise. + * modules/pam_tally2/pam_tally2.c: Rename _pam_tally_modstruct to + _pam_tally2_modstruct. + +2012-01-26 Dmitry V. Levin + + Fix SUBDIRS for --enable-static-modules mode. + There is no way to build "modules" subdirectory before "libpam" anyway. + In STATIC_MODULES mode, "libpam" subdirectory must be built twice to + produce a usable libpam.a without undefined references to multiple + _pam_*_modstruct symbols. + + * Makefile.am: Use default SUBDIRS in STATIC_MODULES mode. + +2012-01-26 Matveychikov Ilya + + configure: fix typo in --disable-nis help string. + * configure.in: Change '-disable-nis' to '--disable-nis'. + +2012-01-26 Tomas Mraz + + Do not unmount anything by default in pam_namespace close session call. + * modules/pam_namespace/pam_namespace.c (pam_sm_close_session): Recognize + the unmount_on_close option and make the default to be to not unmount. + * modules/pam_namespace/pam_namespace.h: Rename PAMNS_NO_UNMOUNT_ON_CLOSE to + PAMNS_UNMOUNT_ON_CLOSE. + * modules/pam_namespace/pam_namespace.8.xml: Document the change. + +2012-01-24 Tomas Mraz + + Make / mount as rslave instead of bind mounting polydirs. + * modules/pam_namespace/pam_namespace.c (protect_dir): Drop the always argument. + (check_inst_parent): Drop the always argument from protect_dir(). + (create_polydir): Likewise. + (ns_setup): Likewise and do not mark the polydir with MS_PRIVATE. + (setup_namespace): Mark the / with MS_SLAVE|MS_REC. + * modules/pam_namespace/pam_namespace.8.xml: Reflect the change in docs. + +2012-01-13 Tomas Mraz + + Add possibility to match ruser, rhost, and tty in pam_succeed_if. + * modules/pam_succeed_if/pam_succeed_if.c (evaluate): Match ruser, + rhost, and tty as left operand. + * modules/pam_succeed_if/pam_succeed_if.8.xml: Document the new + possible left operands. + +2012-01-03 Tomas Mraz + + Merge branch 'master' of ssh://git.fedorahosted.org/git/linux-pam. + + Fix matching of usernames in the pam_unix remember feature. + * modules/pam_unix/pam_unix_passwd.c (check_old_password): Make + sure we match only the whole username in opasswd entry. + * modules/pam_unix/passverify.c (save_old_password): Likewise make + sure we match only the whole username in opasswd entry. + +2011-12-26 Dmitry V. Levin + + pam_start: fix memory leak on error path. + * libpam/pam_start.c (pam_start): If _pam_make_env() or + _pam_init_handlers() returned an error, release the memory allocated + for pam_conv structure. + + Patch-by: cancel . + +2011-11-03 Dmitry V. Levin + + pam_selinux.8.xml: update. + * modules/pam_selinux/pam_selinux.8.xml (pam_selinux-cmdsynopsis): + Reorder options, add new "restore" option. + pam_selinux-description): Rewrite. + (pam_selinux-options): Reorder options, describe new "restore" option. + (pam_selinux-return_values): Remove PAM_AUTH_ERR, PAM_SESSION_ERR + and PAM_BUF_ERR. + (pam_selinux-see_also): Remove pam.conf(5). Add execve(2), tty(4) + and selinux(8). + + pam_selinux.c: add "restore" option. + * modules/pam_selinux/pam_selinux.c (pam_sm_open_session): Add new + "restore" option. + + pam_selinux.c: rewrite using pam_get_data/pam_set_data. + * modules/pam_selinux/pam_selinux.c (security_restorelabel_tty, + security_label_tty): Remove old functions. + (module_data_t): New structure. + (free_module_data, cleanup, get_module_data, get_item, + set_exec_context, set_file_context, compute_exec_context, + compute_tty_context, restore_context, set_context, + create_context): New functions. + (pam_sm_authenticate, pam_sm_setcred, pam_sm_open_session, + pam_sm_close_session): Use them. + +2011-10-28 Dmitry V. Levin + + Use libpam.la/libpam_misc.la to link with -lpam/-lpam_misc. + GNU automake documentation recommends to avoid using -l options in + LDADD or LIBADD when referring to libraries built by the package. + Instead, it recommends to write the file name of the library explicitly, + and use -l option only to list third-party libraries. As result, the + default value of *_DEPENDENCIES will list all local libraries and omit + the other ones. + * modules/pam_access/Makefile.am (pam_access_la_LIBADD): Replace + "-L$(top_builddir)/libpam -lpam" with + "$(top_builddir)/libpam/libpam.la", to follow GNU automake + recommendations. + * modules/pam_cracklib/Makefile.am (pam_cracklib_la_LIBADD): Likewise. + * modules/pam_debug/Makefile.am (pam_debug_la_LIBADD): Likewise. + * modules/pam_deny/Makefile.am (pam_deny_la_LIBADD): Likewise. + * modules/pam_echo/Makefile.am (pam_echo_la_LIBADD): Likewise. + * modules/pam_env/Makefile.am (pam_env_la_LIBADD): Likewise. + * modules/pam_exec/Makefile.am (pam_exec_la_LIBADD): Likewise. + * modules/pam_faildelay/Makefile.am (pam_faildelay_la_LIBADD): Likewise. + * modules/pam_filter/Makefile.am (pam_filter_la_LIBADD): Likewise. + * modules/pam_filter/upperLOWER/Makefile.am (LDADD): Likewise. + * modules/pam_ftp/Makefile.am (pam_ftp_la_LIBADD): Likewise. + * modules/pam_group/Makefile.am (pam_group_la_LIBADD): Likewise. + * modules/pam_issue/Makefile.am (pam_issue_la_LIBADD): Likewise. + * modules/pam_keyinit/Makefile.am (pam_keyinit_la_LIBADD): Likewise. + * modules/pam_lastlog/Makefile.am (pam_lastlog_la_LIBADD): Likewise. + * modules/pam_limits/Makefile.am (pam_limits_la_LIBADD): Likewise. + * modules/pam_listfile/Makefile.am (pam_listfile_la_LIBADD): Likewise. + * modules/pam_localuser/Makefile.am (pam_localuser_la_LIBADD): Likewise. + * modules/pam_loginuid/Makefile.am (pam_loginuid_la_LIBADD): Likewise. + * modules/pam_mail/Makefile.am (pam_mail_la_LIBADD): Likewise. + * modules/pam_mkhomedir/Makefile.am (pam_mkhomedir_la_LIBADD, + mkhomedir_helper_LDADD): Likewise. + * modules/pam_motd/Makefile.am (pam_motd_la_LIBADD): Likewise. + * modules/pam_namespace/Makefile.am (pam_namespace_la_LIBADD): Likewise. + * modules/pam_nologin/Makefile.am (pam_nologin_la_LIBADD): Likewise. + * modules/pam_permit/Makefile.am (pam_permit_la_LIBADD): Likewise. + * modules/pam_pwhistory/Makefile.am (pam_pwhistory_la_LIBADD): Likewise. + * modules/pam_rhosts/Makefile.am (pam_rhosts_la_LIBADD): Likewise. + * modules/pam_rootok/Makefile.am (pam_rootok_la_LIBADD): Likewise. + * modules/pam_securetty/Makefile.am (pam_securetty_la_LIBADD): Likewise. + * modules/pam_sepermit/Makefile.am (pam_sepermit_la_LIBADD): Likewise. + * modules/pam_shells/Makefile.am (pam_shells_la_LIBADD): Likewise. + * modules/pam_stress/Makefile.am (pam_stress_la_LIBADD): Likewise. + * modules/pam_succeed_if/Makefile.am (pam_succeed_if_la_LIBADD): + Likewise. + * modules/pam_tally/Makefile.am (pam_tally_la_LIBADD): Likewise. + * modules/pam_tally2/Makefile.am (pam_tally2_la_LIBADD, + pam_tally2_LDADD): Likewise. + * modules/pam_time/Makefile.am (pam_time_la_LIBADD): Likewise. + * modules/pam_timestamp/Makefile.am (pam_timestamp_la_LIBADD, + pam_timestamp_check_LDADD, hmacfile_LDADD): Likewise. + * modules/pam_tty_audit/Makefile.am (pam_tty_audit_la_LIBADD): Likewise. + * modules/pam_umask/Makefile.am (pam_umask_la_LIBADD): Likewise. + * modules/pam_unix/Makefile.am (pam_unix_la_LIBADD): Likewise. + * modules/pam_userdb/Makefile.am (pam_userdb_la_LIBADD): Likewise. + * modules/pam_warn/Makefile.am (pam_warn_la_LIBADD): Likewise. + * modules/pam_wheel/Makefile.am (pam_wheel_la_LIBADD): Likewise. + * modules/pam_xauth/Makefile.am (pam_xauth_la_LIBADD): Likewise. + * tests/Makefile.am (LDADD): Likewise. + * examples/Makefile.am (LDADD): Replace "-L$(top_builddir)/libpam -lpam" + with "$(top_builddir)/libpam/libpam.la", and + "-L$(top_builddir)/libpam_misc -lpam_misc" with + "$(top_builddir)/libpam_misc/libpam_misc.la", to follow GNU automake + recommendations. + * xtests/Makefile.am (LDADD): Likewise. + * modules/pam_selinux/Makefile.am (pam_selinux_la_LIBADD): Likewise. + + Fix usage of LIBADD, LDADD and LDFLAGS. + * modules/pam_selinux/Makefile.am: Rename pam_selinux_check_LDFLAGS to + pam_selinux_check_LDADD. + * modules/pam_userdb/Makefile.am: Split out pam_userdb_la_LIBADD from + AM_LDFLAGS. + * modules/pam_warn/Makefile.am: Split out pam_warn_la_LIBADD from + AM_LDFLAGS. + * modules/pam_wheel/Makefile.am: Split out pam_wheel_la_LIBADD from + AM_LDFLAGS. + * modules/pam_xauth/Makefile.am: split out pam_xauth_la_LIBADD from + AM_LDFLAGS. + * xtests/Makefile.am: Rename AM_LDFLAGS to LDADD. + +2011-10-27 Dmitry V. Levin + + Update .gitignore files. + * .gitignore: Add common ignore patterns. + * m4/.gitignore: Unignore local m4 files. + * dynamic/.gitignore: Unignore Makefile. + * libpamc/test/modules/.gitignore: Likewise. + * libpamc/test/regress/.gitignore: Likewise. + * po/.gitignore: Add Makevars.template. + * conf/.gitignore: Remove common ignore patterns. + * conf/pam_conv1/.gitignore: Likewise. + * doc/.gitignore: Likewise. + * doc/specs/.gitignore: Likewise. + * doc/specs/formatter/.gitignore: Likewise. + * examples/.gitignore: Likewise. + * modules/pam_filter/upperLOWER/.gitignore: Likewise. + * modules/pam_mkhomedir/.gitignore: Likewise. + * modules/pam_selinux/.gitignore: Likewise. + * modules/pam_stress/.gitignore: Likewise. + * modules/pam_tally/.gitignore: Likewise. + * modules/pam_tally2/.gitignore: Likewise. + * modules/pam_timestamp/.gitignore: Likewise. + * modules/pam_unix/.gitignore: Likewise. + * tests/.gitignore: Likewise. + * xtests/.gitignore: Likewise. + * doc/adg/.gitignore: Remove. + * doc/man/.gitignore: Remove. + * doc/mwg/.gitignore: Remove. + * doc/sag/.gitignore: Remove. + * libpamc/.gitignore: Remove. + * libpamc/test/.gitignore: Remove. + * libpam/.gitignore: Remove. + * libpam_misc/.gitignore: Remove. + * modules/.gitignore: Remove. + * modules/pam_access/.gitignore: Remove. + * modules/pam_cracklib/.gitignore: Remove. + * modules/pam_debug/.gitignore: Remove. + * modules/pam_deny/.gitignore: Remove. + * modules/pam_echo/.gitignore: Remove. + * modules/pam_env/.gitignore: Remove. + * modules/pam_exec/.gitignore: Remove. + * modules/pam_faildelay/.gitignore: Remove. + * modules/pam_filter/.gitignore: Remove. + * modules/pam_ftp/.gitignore: Remove. + * modules/pam_group/.gitignore: Remove. + * modules/pam_issue/.gitignore: Remove. + * modules/pam_keyinit/.gitignore: Remove. + * modules/pam_lastlog/.gitignore: Remove. + * modules/pam_limits/.gitignore: Remove. + * modules/pam_listfile/.gitignore: Remove. + * modules/pam_localuser/.gitignore: Remove. + * modules/pam_loginuid/.gitignore: Remove. + * modules/pam_mail/.gitignore: Remove. + * modules/pam_motd/.gitignore: Remove. + * modules/pam_namespace/.gitignore: Remove. + * modules/pam_nologin/.gitignore: Remove. + * modules/pam_permit/.gitignore: Remove. + * modules/pam_pwhistory/.gitignore: Remove. + * modules/pam_rhosts/.gitignore: Remove. + * modules/pam_rootok/.gitignore: Remove. + * modules/pam_securetty/.gitignore: Remove. + * modules/pam_sepermit/.gitignore: Remove. + * modules/pam_shells/.gitignore: Remove. + * modules/pam_succeed_if/.gitignore: Remove. + * modules/pam_time/.gitignore: Remove. + * modules/pam_tty_audit/.gitignore: Remove. + * modules/pam_umask/.gitignore: Remove. + * modules/pam_userdb/.gitignore: Remove. + * modules/pam_warn/.gitignore: Remove. + * modules/pam_wheel/.gitignore: Remove. + * modules/pam_xauth/.gitignore: Remove. + + Move generated auxiliary files to build-aux directory. + * configure.in: Add AC_CONFIG_AUX_DIR([build-aux]). + + Remove generated files. + * ABOUT-NLS: Remove. + * INSTALL: Remove. + * config.rpath: Remove. + * install-sh: Remove. + * mkinstalldirs: Remove. + * Makefile.am (EXTRA_DIST): Remove config.rpath and mkinstalldirs. + * .gitignore: Add ABOUT-NLS and INSTALL. + + Create release tarballs using safe ownership and permissions. + * Makefile.am: Define and export TAR_OPTIONS. + + Generate ChangeLog from git log. + * .gitignore: Add ChangeLog + * ChangeLog: Rename to ChangeLog-CVS. + * Makefile.am (gen-changelog): New rule. + (dist-hook, .PHONY): Depend on it. + (EXTRA_DIST): Add ChangeLog-CVS. + * README-hacking: New file. + * gitlog-to-changelog: Import from gnulib. + * autogen.sh: Create empty ChangeLog file to make automake strictness + check happy. Use automated "autoreconf -fiv" instead of manual + invocations of various autotools. + + Fix "make distcheck" + There is no use to distribute m4 files manually, because automake does + the right thing, while manual distribution is not only redundant but + also very fragile. + * Makefile.am (M4_FILES): Remove. + (EXTRA_DIST): Remove M4_FILES. + + Remove modules/pam_timestamp/hmacfile from distribution. + * modules/pam_timestamp/Makefile.am (dist_TESTS): Add tst-pam_timestamp. + (nodist_TESTS): Add hmacfile. + (EXTRA_DIST): Replace TESTS with dist_TESTS. + + Rename all .cvsignore files to .gitignore. + +2011-10-26 Dmitry V. Levin + + Fix whitespace issues. + Cleanup trailing whitespaces, indentation that uses spaces before tabs, + and blank lines at EOF. Make the project free of warnings reported by + git diff --check 4b825dc642cb6eb9a060e54bf8d69288fbee4904 HEAD + + +See ChangeLog-CVS for earlier changes. diff --git a/ChangeLog-CVS b/ChangeLog-CVS new file mode 100644 index 0000000..47b54ce --- /dev/null +++ b/ChangeLog-CVS @@ -0,0 +1,5099 @@ +2011-10-26 Dmitry V. Levin + + NB: ChangeLog file is no longer manually maintained. + See README-hacking for details. + +2011-10-25 Thorsten Kukuk + + * release version 1.1.5 + + * configure.in: Bump version number. + + * modules/pam_tally2/pam_tally2.8.xml: Remove never used option + "no_lock_time". + +2011-10-14 Kees Cook + + * modules/pam_env/pam_env.c (_expand_arg): Abort when encountering an + overflowed environment variable expansion. + Fixes CVE-2011-3149. + Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874565 + + * modules/pam_env/pam_env.c (_assemble_line): Correctly count leading + whitespace. + Fixes CVE-2011-3148. + Bug-Ubuntu: https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874469 + +2011-10-10 Tomas Mraz + + * modules/pam_access/pam_access.c: Add hostname resolution + cache. + (user_match): Clear the cache in fake_item. + (from_match): If from is not hostname, do not try to resolve it. + Cache the getaddrinfo() result. + (network_netmask_match): Cache the getaddrinfo() result. + (pam_sm_authenticate): Free the getaddrinfo() result. + + * modules/pam_access/pam_access.c (netgroup_match): If getdomainname() + fails or domainname not set use NULL as domain in innetgr(). + +2011-09-30 Tomas Mraz + + * doc/man/pam.conf-syntax.xml: Improve documentation of the + sufficient and requisite control values. (Red Hat Bug #742413) + +2011-08-25 Tomas Mraz + + * modules/pam_access/pam_access.c (user_match): Fix the split + on @ in the user field. (Red Hat Bug #732081) + + * modules/pam_loginuid/pam_loginuid.c: Correct the FSF address. + +2011-08-23 Tomas Mraz + + * modules/pam_env/pam_env.c (_pam_parse): Fix missing dereference. + +2011-06-22 Thorsten Kukuk + + * release version 1.1.4 + + * configure.in: Bump version number. + * NEWS: Document changes since 1.1.3 + * libpam/Makefile.am: Bump release number of shared library + * po/de.po: Translate new string. + + * modules/pam_unix/Makefile.am (pam_unix_la_LIBADD): Reorder + Libraries. + +2011-06-21 Thorsten Kukuk + + * modules/pam_limits/pam_limits.c: Add set_all option, + read limits from PID one if no limit is specified and set_all + is set. + * modules/pam_limits/pam_limits.8.xml: Document set_all option. + Based on Patch by Kees Cook. + +2011-06-15 Tomas Mraz + + * modules/pam_sepermit/pam_sepermit.c (check_running): Avoid + leaking memory and dir handle on realloc failure. + (sepermit_unlock): Cast fcntl() and close() calls to void. + + * modules/pam_pwhistory/opasswd.c (check_old_password): Do not + needlessly call strdupa(). + (save_old_password): Avoid memleaks in error paths. Avoid memleak of + buf. Make the opasswd entry parsing more robust. + * modules/pam_pwhistory/pam_pwhistory.8.xml: Document the + special meaning of remember=0. + + * modules/pam_unix/support.c (_set_ctrl): Do not crash when remember, + minlen, or rounds options are used with wrong module type. + + * modules/pam_timestamp/pam_timestamp.c (pam_sm_authenticate): Avoid + memleak in error path. + (pam_sm_open_session): Avoid memleak and fd leak in error path. + + * modules/pam_access/pam_access.c (user_match): Initialize the + fake_item from item. + +2011-06-14 Thorsten Kukuk + + * configure.in: Check for libtirpc by default. + * libpam/Makefile.am: Add support for libtirpc. + * modules/pam_access/Makefile.am: Likewise. + * modules/pam_unix/Makefile.am: Likewise. + * modules/pam_unix/pam_unix_passwd.c: Change ifdefs for + new libtirpc support. + * modules/pam_unix/yppasswd_xdr.c: Only compile if we have rpc/rpc.h. + +2011-06-13 Tomas Mraz + + * modules/pam_securetty/pam_securetty.c (securetty_perform_check): Test + also whether the tty is in the /sys/class/tty/console/active file. + * modules/pam_securetty/pam_securetty.8.xml: Document the new check of + /sys/class/tty/console/active/file. + +2011-06-07 Tomas Mraz + + * modules/pam_namespace/pam_namespace.c (root_shared): New + function to detect shared / mount. + (pam_sm_open_session): Call the root_shared() and enable + private mounts based on that. + * modules/pam_namespace/pam_namespace.8.xml: Document the + automatic detection of shared / mount. + +2011-06-06 Tomas Mraz + + * modules/pam_group/pam_group.c (shift_bytes): Removed. + (shift_buf, trim_spaces): Added new functions. + (read_field): Thorough rewrite of the parsing. + (check_account): read_field() now uses state information. No + extra read_field() call at the end of configuration line. + * modules/pam_time/pam_time.c (shift_bytes): Removed. + (shift_buf, trim_spaces): Added new functions. + (read_field): Thorough rewrite of the parsing. + (check_account): read_field() now uses state information. No + extra read_field() call at the end of configuration line. + + * modules/pam_namespace/pam_namespace.h: Define the MS_PRIVATE and + MS_REC flags if they are not in sys/mount.h. + +2011-06-06 Nguyá»…n Thái Ngá»c Duy + + * po/LINGUAS: Add vietnamese. + * po/vi.po: Add vietnamese translation. + +2011-06-02 Tomas Mraz + + * modules/pam_namespace/pam_namespace.c (protect_dir): Add parameter + to always do protect mount the last directory in the path. + (check_inst_parent, create_polydir): Update the protect_dir() call. + (ns_setup): Likewise and add the MS_PRIVATE mount() call. + (pam_sm_open_session): Check the mount_private option. + * modules/pam_namespace/pam_namespace.h: Add the PAMNS_MOUNT_PRIVATE. + * modules/pam_namespace/pam_namespace.8.xml: Document the mount_private + option. + + * modules/pam_cracklib/pam_cracklib.c (str_lower): Make it no-op + on NULL strings. + (password_check): Guard for NULLs returned from memory allocation. + + * modules/pam_filter/pam_filter.c (process_args): Guard for error return + from pam_get_user(). + + * modules/pam_echo/pam_echo.c (replace_and_print): Guard for error return + from pam_get_item(). + +2011-05-30 Thorsten Kukuk + + * modules/pam_timestamp/pam_timestamp.c (main): Remove unsused + variable pretval. + + * modules/pam_stress/pam_stress.c (converse): **message is const. + (stress_get_password): pmsg is const. + (pam_sm_chauthtok): Likewise. + * libpam/pam_item.c (pam_get_user): Make pmsg const and remove + casts. + +2011-05-30 Thorsten Kukuk + + * modules/pam_env/pam_env.c (_pam_parse): Implement debug option. + Based on patch by Tomas Mraz. + +2011-05-24 Thorsten Kukuk + + * modules/pam_listfile/pam_listfile.c (pam_sm_authenticate): quiet + option has no argument, print no missing file if quiet is set + [sf#3194930]. + +2011-05-04 Thorsten Kukuk + + * modules/pam_lastlog/pam_lastlog.c (last_login_failed): Don't + abort with error if btmp file does not exist. + +2011-03-21 Tomas Mraz + + * modules/pam_unix/md5.c (MD5Final): Clear the whole ctx. + +2011-03-18 Tomas Mraz + + * modules/pam_namespace/md5.c (MD5Final): Clear the whole ctx. + * modules/pam_namespace/pam_namespace.c (del_polydir): Guard for NULL poly. + (protect_dir): Guard for -1 passing to close(). + (ns_setup): Likewise. + (pam_sm_open_session): Correctly test for SELinux enabled flag. + +2011-03-17 Tomas Mraz + + * modules/pam_selinux/pam_selinux.c (config_context): Fix leak of type. + (manual_context): Likewise. + (context_from_env): Remove extraneous auditing in success case. + + * modules/pam_unix/support.c (_unix_run_helper_binary): Remove extra + close() call. + +2011-02-22 Tomas Mraz + + * modules/pam_nologin/pam_nologin.8.xml: Add missing space. + * modules/pam_limits/limits.conf.5.xml: Fix typo. + +2010-12-21 Tomas Mraz + + * modules/pam_selinux/pam_selinux.c (mls_range_allowed): Unhardcode + values for security class and av permission bit. + +2010-12-14 Tomas Mraz + + * modules/pam_limits/pam_limits.c (parse_uid_range): New function + to parse the range of uids or gids. + (parse_config_file): Call parse_uid_range() and if uid/gid range + is identified, setup the limits if the range matches. New parameters + containing user's uid and primary gid. + (pam_sm_open_session): Pass the user's uid and primary gid to + parse_config_file(). + * modules/pam_limits/limits.conf.5.xml: Document the uid/gid ranges. + +2010-12-14 Bahadır Kandemir + + * po/tr.po: Updated translations. + +2010-11-25 Tomas Mraz + + * modules/pam_securetty/pam_securetty.8.xml: Improve documentation + of the kernel console feature and the noconsole option. + +2010-11-24 Thorsten Kukuk + + * modules/pam_securetty/pam_securetty.c: Parse console= kernel + option, add noconsole option. + * modules/pam_securetty/pam_securetty.8.xml: Document new behavior + for serial console. + Patch from Lennart Poettering. + +2010-11-24 Tomas Mraz + + * modules/pam_limits/limits.conf.5.xml: Document the %group syntax. + +2010-11-18 Tomas Mraz + + * modules/pam_limits/pam_limits.c (pam_parse,pam_sm_open_session): + Drop obsolete and broken option change_uid. + * modules/pam_limits/pam_limits.8.xml: Likewise. + +2010-11-16 Tomas Mraz + + * modules/pam_pwhistory/pam_pwhistory.c (pam_sm_chauthtok): Remove + dead and duplicate code. Return PAM_INCOMPLETE instead of + PAM_CONV_AGAIN. + +2010-11-11 Tomas Mraz + + * modules/pam_selinux/pam_selinux.c (pam_sm_open_session): Fix + potential use after free in case SELinux is misconfigured. + + * modules/pam_namespace/pam_namespace.c (process_line): Fix memory + leak when parsing empty config file lines. + +2010-10-28 Thorsten Kukuk + + * release version 1.1.3 + + * configure.in: Increase version to 1.1.3 + + * NEWS: document visible changes + + * libpam/Makefile.am (libpam_la_LDFLAGS): Bump version number. + +2010-10-27 Thorsten Kukuk + + * doc/adg/Makefile.am: Use UTF-8 for html docu. + * doc/mwg/Makefile.am: Likewise. + * doc/sag/Makefile.am: Likewise. + +2010-10-22 Tomas Mraz + + * modules/pam_namespace/pam_namespace.c (inst_init): Use execle() + to execute the init script with clean environment. (CVE-2010-3853) + (cleanup_tmpdirs): Likewise for executing rm. + +2010-10-21 Dmitry V. Levin + + * modules/pam_mkhomedir/mkhomedir_helper.c (rec_mkdir): Remove. + (create_homedir): Use mkdir() instead of rec_mkdir(). + (make_parent_dirs): New function. + (main): Use make_parent_dirs() to create parent directories only + for the home directory itself. + +2010-10-21 Thorsten Kukuk + + * modules/pam_unix/support.c (_unix_getpwnam): Don't allocate + unneeded buffer for uid/gid [sf#3059572]. + +2010-10-20 Thorsten Kukuk + + * doc/man/pam_get_authtok.3.xml: Fix xml code. + + * doc/man/Makefile.am: Fix build dependencys of pam_get_authtok.3. + + * xtests/Makefile.am: Only build xtests if we run xtests. + * configure.in: Check for libdb with symbol versions, too. + Patch from Diego Elio Pettenò. + + * modules/pam_mkhomedir/mkhomedir_helper.c (rec_mkdir): Create + parent directories always with mode 0755. + (create_homedir): Create main directory with mode 0700 at first. + +2010-10-19 Dmitry V. Levin + + * modules/pam_selinux/Makefile.am (pam_selinux_la_LIBADD): Add + @LIBAUDIT@. + + * m4/ld-O1.m4 (PAM_LD_O1): Fix typo. + + * m4/ld-no-undefined.m4: New file. + * configure.in: Use PAM_LD_NO_UNDEFINED. + * Makefile.am (M4_FILES): Add m4/ld-no-undefined.m4. + + * modules/pam_selinux/pam_selinux.c (verbose_message): Remove. + (pam_sm_open_session): Call send_text() instead of verbose_message(). + +2010-10-19 Thorsten Kukuk + + * modules/pam_env/pam_env.8.xml: Document side effects of + environment variables in the stack. + * modules/pam_exec/pam_exec.8.xml: Document that user can + have controll over the environment. + +2010-10-07 Dmitry V. Levin + + * modules/pam_selinux/pam_selinux.c (verbose_message): Fix format + string. + +2010-10-04 Dmitry V. Levin + + * libpam/pam_modutil_priv.c: New file. + * libpam/Makefile.am (libpam_la_SOURCES): Add it. + * libpam/include/security/pam_modutil.h (struct pam_modutil_privs, + PAM_MODUTIL_DEF_PRIVS, pam_modutil_drop_priv, + pam_modutil_regain_priv): New declarations. + * libpam/libpam.map (LIBPAM_MODUTIL_1.1.3): New interface. + * modules/pam_env/pam_env.c (handle_env): Use new pam_modutil interface. + * modules/pam_mail/pam_mail.c (_do_mail): Likewise. + * modules/pam_xauth/pam_xauth.c (check_acl, pam_sm_open_session, + pam_sm_close_session): Likewise. + (pam_sm_open_session): Remove redundant fchown call. + Fixes CVE-2010-3430, CVE-2010-3431. + +2010-10-01 Thorsten Kukuk + + * configure.in: Extend cross compiling check. + * doc/specs/Makefile.am: Set CFLAGS and LDFLAGS to BUILD_CFLAGS + and BUILD_LDFLAGS. + Bug #3078936 / gentoo #339174 + +2010-09-30 Thorsten Kukuk + + * modules/pam_xauth/pam_xauth.c (pam_sm_close_session): Warn if + unlink() fails. + +2010-09-27 Dmitry V. Levin + + * modules/pam_xauth/pam_xauth.c (pam_sm_close_session): Return + PAM_SUCCESS immediately if no cookie file is defined. Return + PAM_SESSION_ERR if cookie file is defined but target uid cannot be + determined. Do not modify cookiefile string returned by pam_get_data. + + * modules/pam_xauth/pam_xauth.c (check_acl): Ensure that the given + access control file is a regular file. + +2010-09-16 Dmitry V. Levin + + * modules/pam_env/pam_env.c (handle_env): Use setfsuid() return code. + * modules/pam_mail/pam_mail.c (_do_mail): Likewise. + * modules/pam_xauth/pam_xauth.c (check_acl, pam_sm_open_session, + pam_sm_close_session): Likewise. + +2010-08-31 Thorsten Kukuk + + * release version 1.1.2 + + * configure.in: Bump version number. + * NEWS: Document changes since 1.1.1. + * doc/adg/Linux-PAM_ADG.xml: Bump version number. + * doc/mwg/Linux-PAM_MWG.xml: Likewise. + * doc/sag/Linux-PAM_SAG.xml: Likewise. + * libpam/Makefile.am: Bump revision of shared library. + * po/*.po: Regenerate. + +2010-08-26 Tomas Mraz + + * modules/pam_nologin/pam_nologin.c (perform_check): Try first + /var/run/nologin if the nologin file is not explicitly specified. + * modules/pam_nologin/pam_nologin.8.xml: Document that /var/run/nologin + is tried first. + +2010-08-26 Sweta Kothari + + * po/gu.po: Updated translations. + +2010-08-26 Geert Warrink + + * po/nl.po: Updated translations. + +2010-08-26 Thorsten Kukuk + + * doc/specs/Makefile.am: Use CC_FOR_BUILD as compiler (cross + compile support). + * configure.in: Check for host compiler if cross compiling. + Bug #2315432, debian#284854#42. + +2010-08-17 Thorsten Kukuk + + * modules/pam_unix/pam_unix_passwd.c: Implement minlen option. + * modules/pam_unix/support.c: Likewise. + * modules/pam_unix/support.h: Likewise. + + * modules/pam_unix/pam_unix_acct.c (pam_sm_acct_mgmt): Adjust + arguments for _set_ctrl call. + * modules/pam_unix/pam_unix_auth.c (pam_sm_authenticate): Likewise. + * modules/pam_unix/pam_unix_session.c: Likewise. + + * modules/pam_unix/pam_unix.8.xml: Document minlen option. + Based on patch by Steve Langasek. + +2010-08-12 Thorsten Kukuk + + * modules/pam_mail/pam_mail.c: Check for mail only with user + privilegs. + + * modules/pam_xauth/pam_xauth.c (run_coprocess): Check return + value of setgid, setgroups and setuid. + + * modules/pam_xauth/pam_xauth.c (check_acl): Save errno for + later usage. + + * modules/pam_env/pam_env.c (handle_env): Check if user exists, + read local user config only with user privilegs.` + +2010-08-09 Thorsten Kukuk + + * modules/pam_tally/pam_tally.8.xml: Document that pam_tally is + deprecated. + + * modules/pam_tty_audit/Makefile.am (EXTRA_DIST): Fix make dist. + + * modules/pam_unix/passverify.c (check_shadow_expiry): Correct + check for expired date. + + * modules/pam_unix/pam_unix_passwd.c (_pam_unix_approve_pass): Remove + check for password length. Bug #2923437. + +2010-08-04 Thorsten Kukuk + + * modules/pam_tally2/pam_tally2.c (get_tally): Create file + with correct permissions. Patch by Diego Elio “Flameeyes†Pettenò. + + * modules/pam_unix/passverify.c (PAMH_ARG_DECL): Don't request + password change if time is not yet set (1.1.1970). Bug #2730965. + + * modules/pam_access/pam_access.c (user_match): Make sure + that user@host will not match @@netgroup. Bug #3035919. + + * modules/pam_group/pam_group.c (check_account): Add '%' for + UNIX groups. + * modules/pam_group/group.conf: Add example for '%'. + * modules/pam_group/group.conf.5.xml: Document '%' syntax. + Bug #3002340, #3037155. + +2010-08-02 Steve Langasek + + * modules/pam_mkhomedir/Makefile.am: don't pass --version-script + options when linking executables, only when linking libraries + Patch from Julien Cristau + +2010-07-12 Thorsten Kukuk + + * modules/pam_succeed_if/pam_succeed_if.c (pam_sm_authenticate): Add + audit flag to enable logging about unknown user (#2917257). + * modules/pam_succeed_if/pam_succeed_if.8.xml: Document audit. + * modules/pam_succeed_if/pam_succeed_if.8: Regenerated from xml. + * modules/pam_succeed_if/README: Regenerated from xml. + +2010-06-22 Thorsten Kukuk + + * modules/pam_umask/pam_umask.8.xml: Remove comparisation of + gid and uid for usergroups. + * modules/pam_umask/pam_umask.c (setup_limits_from_gecos): Likewise. + Bug #3004656 + + * configure.in: Don't check for libxcrypt if no xcrypt.h exists, + fix typo introduced with 1.1.1. + Reported by Diego Elio “Flameeyes†Pettenò. + +2010-06-15 Thorsten Kukuk + + * modules/pam_xauth/pam_xauth.c (pam_sm_close_session): Call + setfsuid to be allowed to remove temporary files (#3010705). + (pam_sm_open_session): Call fchown with correct permissions. + +2010-06-09 Thorsten Kukuk + + * modules/pam_tty_audit/Makefile.am (TESTS): Add tst-pam_tty_audit. + * modules/pam_tty_audit/tst-pam_tty_audit: New. + +2010-06-07 Steve Langasek + + * modules/pam_tty_audit/Makefile.am: If we don't have the libraries + required for building pam_tty_audit, we shouldn't install the manpage + either. + +2010-05-27 Thorsten Kukuk + + * modules/pam_userdb/pam_userdb.c: Define HAVE_DBM + for BerkDB 5.0 support. Patch by Diego Elio Pettenò. + +2010-04-15 Thorsten Kukuk + + * modules/pam_exec/pam_exec.8.xml: Fix example. + +2010-04-13 Thorsten Kukuk + + * modules/pam_pwhistory/opasswd.c: Fix compilation if + cyprt_r() is not available. + * configure.in: check for getutent_r. + * modules/pam_timestamp/pam_timestamp.c: Use getutent() + if getutent_r() does not exist. + Patch from Diego Elio “Flameeyes†Pettenò. + +2010-04-12 Thorsten Kukuk + + * doc/man/pam.conf-syntax.xml: Better documentation of + "actionN". Patch from Michal Soltys . + +2010-04-06 Thorsten Kukuk + + * modules/pam_rootok/pam_rootok.c: Add support for acct_mgmt + and chauthtok. + * modules/pam_rootok/pam_rootok.8.xml: Document new module + types. + +2010-03-29 Thorsten Kukuk + + * po/ar.po: Add missing Plural-Forms entry to header. + +2010-03-25 Daniel Nylander + + * po/sv.po: Updated translations. + +2010-03-24 Ani Peter + + * po/ml.po: Updated translations. + +2010-03-08 Yuri Chornoivan + + * po/uk.po: Updated translations. + +2010-02-09 Tomas Mraz + + * libpam/pam_get_authtok.c (pam_get_authtok_internal): Fix + regression in the new password prompt. + +2010-01-04 Elad + + * po/he.po: New translation to Hebrew. + * po/LINGUAS: Add Hebrew to the list. + +2009-12-16 Thorsten Kukuk + + * release version 1.1.1 + + * NEWS: Adjust for 1.1.1 + * configure.in: Likewise. + * doc/adg/Linux-PAM_ADG.xml: Likewise. + * doc/mwg/Linux-PAM_MWG.xml: Likewise. + * doc/sag/Linux-PAM_SAG.xml: Likewise. + * po/*.po: Regenerated. + +2009-12-08 Thorsten Kukuk + + * configure.in: Rename DEBUG to PAM_DEBUG. + * libpam/pam_env.c: Likewise + * libpam/pam_handlers.c: Likewise + * libpam/pam_miscc.c: Likewise + * libpam/pam_password.c: Likewise + * libpam/include/security/_pam_macros.h: Likewise + * libpamc/test/modules/pam_secret.c: Likewise + * modules/pam_group/pam_group.c: Likewise + * modules/pam_listfile/pam_listfile.c: Likewise + * modules/pam_unix/pam_unix_auth.c: Likewise + * modules/pam_unix/pam_unix_passwd.c: Likewise + +2009-12-08 Tomas Mraz + + * modules/pam_unix/passverify.c(unix_update_shadow): Create a shadow + entry if not present in the file. + + * modules/pam_listfile/pam_listfile.c(pam_sm_authenticate): Remove + unused function and variable. + +2009-11-19 Tomas Mraz + + * modules/pam_sepermit/pam_sepermit.c(sepermit_match): Return + PAM_AUTH_ERR from the module if sepermit_lock() fails. + +2009-11-18 Tomas Mraz + + * modules/pam_access/pam_access.c(user_match): Revert the netgroup + match to the original behavior, add new syntax for adding the local + hostname. + * modules/pam_access/access.conf.5.xml: Document the new syntax + for adding the local hostname to the netgroup match. + +2009-11-10 Thorsten Kukuk + + * doc/man/pam_get_authtok.3.xml: Document pam_get_authtok_noverify + and pam_get_authtok_verify. + + * libpam/Makefile.am (libpam_la_LDFLAGS): Bump revesion of libpam. + + * libpam/pam_get_authtok.c (pam_get_authtok_internal): Renamed + from pam_get_authtok, add flags argument, always check return + values. + + * modules/pam_cracklib/pam_cracklib.c (pam_sm_chauthtok): Use + pam_get_authtok_noverify and pam_get_authtok_verify. + + * libpam/include/security/pam_ext.h: Add prototypes for + pam_get_authtok_noverify and pam_get_authtok_verify. + + * libpam/libpam.map: Add new pam_get_authtok_* functions. + +2009-11-02 Ani Peter + + * po/ml.po: Updated translations. + +2009-11-02 Tomas Mraz + + * modules/pam_sepermit/Makefile.am: Add sepermit.conf(5) manual page. + * modules/pam_sepermit/pam_sepermit.8.xml: Add reference to + sepermit.conf(5). Drop some redundant text. + * modules/pam_sepermit/sepermit.conf.5.xml: New file. + + * modules/pam_sepermit/pam_sepermit.c(sepermit_match): Implement the ignore + option in sepermit.conf. + +2009-10-29 Tomas Mraz + + * modules/pam_xauth/Makefile.am: Link with libselinux. + * modules/pam_xauth/pam_xauth.c(pam_sm_open_session): Call + setfscreatecon() if selinux is enabled to create the .xauth file + with the right label. Original idea by Dan Walsh. + +2009-10-08 Tomas Mraz + + * modules/pam_tty_audit/pam_tty_audit.8.xml: Add notice about aureport + add SEE ALSO section. + +2009-10-06 Tomas Mraz + + * modules/pam_listfile/pam_listfile.c(pam_sm_authenticate): Just + call pam_modutil_user_in_group_nam_nam() instead of reimplementation + of group matching. + +2009-10-05 Kris Thomsen + + * po/da.po: Updated translations. + +2009-09-29 Piotr DrÄ…g + + * po/pl.po: Updated translations. + +2009-09-21 Yulia Poyarkova + + * po/ru.po: Updated translations. + +2009-09-17 Kiyoto Hashida + + * po/ja.po: Updated translations. + +2009-09-17 Eunju Kim + + * po/ko.po: Updated translations. + +2009-09-17 Yulia Poyarkova + + * po/ru.po: Updated translations. + +2009-09-10 Steve Langasek + + * modules/pam_securetty/pam_securetty.c: pam_securetty should not + return PAM_USER_UNKNOWN when the tty is secure, regardless of what + was entered as a username. + Patch from Nicolas François . + +2009-08-31 Steve Langasek + + * modules/pam_namespace/namespace.init: make this portable to POSIX + awk, instead of using GNU awk extensions. + +2009-08-25 Steve Langasek + + * modules/pam_sepermit/pam_sepermit.8.xml: fix up one reference + to pam.d(8) left behind because I've forgotten how CVS works + * po/es.po: fix missing whitespace in password prompts. + +2009-08-24 Steve Langasek + + * doc/pam_get_authtok.3.xml: grammar fix. + * doc/adg/Linux-PAM-ADG.xml: Likewise. + * doc/mwg/Linux-PAM_MWG.xml: Likewise. + * doc/man/pam_setcred.3.xml: fix a typo. + +2009-07-21 Thorsten Kukuk + + * modules/pam_cracklib/pam_cracklib.c (pam_sm_chauthtok): Delete + new token if it does not match strength criteria. + +2009-06-29 Thorsten Kukuk + + * modules/pam_unix/yppasswd_xdr.c: Remove unnecessary header files. + + * modules/pam_unix/support.c (_unix_getpwnam): Only compile in NIS + support if all necessary functions exist. + + * modules/pam_unix/pam_unix_passwd.c (getNISserver): Add debug + option, handle correct if OS has no NIS support. + + * modules/pam_access/pam_access.c (netgroup_match): Check if + yp_get_default_domain and innetgr are available at compile time. + + * configure.in: Check for functions: innetgr, getdomainname + check for headers: rpcsvc/ypclnt.h, rpcsvc/yp_prot.h. + +2009-06-29 Thorsten Kukuk + + * modules/pam_unix/pam_unix.8.xml: Fix blowfish description. + Reported by Diego E. “Flameeyes†Pettenò. + +2009-06-26 Thorsten Kukuk + + * modules/pam_namespace/Makefile.am: Fix make maintainer-clean, + fix docu dependencies. + + * modules/pam_xauth/Makefile.am: Fix make maintainer-clean. + * modules/pam_access/Makefile.am: Likewise. + * modules/pam_debug/Makefile.am: Likewise. + * modules/pam_deny/Makefile.am: Likewise. + * modules/pam_echo/Makefile.am: Likewise. + * modules/pam_env/Makefile.am: Likewise. + * modules/pam_faildelay/Makefile.am: Likewise. + * modules/pam_ftp/Makefile.am: Likewise. + * modules/pam_group/Makefile.am: Likewise. + * modules/pam_issue/Makefile.am: Likewise. + * modules/pam_keyinit/Makefile.am: Likewise. + * modules/pam_lastlog/Makefile.am: Likewise. + * modules/pam_limits/Makefile.am: Likewise. + * modules/pam_listfile/Makefile.am: Likewise. + * modules/pam_localuser/Makefile.am: Likewise. + * modules/pam_loginuid/Makefile.am: Likewise. + * modules/pam_mail/Makefile.am: Likewise. + * modules/pam_mkhomedir/Makefile.am: Likewise. + * modules/pam_motd/Makefile.am: Likewise. + * modules/pam_nologin/Makefile.am: Likewise. + * modules/pam_pwhistory/Makefile.am: Likewise. + * modules/pam_rhosts/Makefile.am: Likewise. + * modules/pam_rootok/Makefile.am: Likewise. + * modules/pam_securetty/Makefile.am: Likewise. + * modules/pam_shells/Makefile.am: Likewise. + * modules/pam_succeed_if/Makefile.am: Likewise. + * modules/pam_tally2/Makefile.am: Likewise. + * modules/pam_tally/Makefile.am: Likewise. + * modules/pam_time/Makefile.am: Likewise. + * modules/pam_timestamp/Makefile.am: Likewise. + * modules/pam_tty_audit/Makefile.am: Likewise. + * modules/pam_umask/Makefile.am: Likewise. + * modules/pam_unix/Makefile.am: Likewise. + * modules/pam_warn/Makefile.am: Likewise. + * modules/pam_wheel/Makefile.am: Likewise. + * modules/pam_filter/Makefile.am: Likewise. + + * configure.in: Make regeneration of docu configureable, + rename enable_man to enable_docu. + + * modules/pam_env/pam_env.c (_pam_parse): Fix typo in debug + code. + + * modules/pam_cracklib/Makefile.am: Don't install docu if + module is disabled for building. + * modules/pam_userdb/Makefile.am: Likewise. + + * modules/pam_unix/pam_unix_passwd.c: Remove dead SELinux + code. + + * modules/pam_lastlog/pam_lastlog.c (last_login_failed): Fix + usage of wrong variable [bug#2809661]. + +2009-06-25 Thorsten Kukuk + + * configure.in: Rename crypt_gensalt_rn to crypt_gensalt_r + * modules/pam_unix/passverify.c: Likewise. + +2009-06-19 Thorsten Kukuk + + * release version 1.1.0 + +2009-06-16 Thorsten Kukuk + + * doc/sag/Linux-PAM_SAG.xml: Fix typos. + * doc/adg/Linux-PAM_ADG.xml: Likewise. + * doc/mwg/Linux-PAM_MWG.xml: Likewise. + +2009-06-08 Rajesh Ranjan + + * po/hi.po: Updated translations. + +2009-06-01 Jaswinder Singh + + * po/pa.po: Updated translations. + +2009-06-01 Tomáš Mráz + + * modules/pam_pwhistory/opasswd.c (save_old_password): Don't + call fclose() on NULL descriptor. Found by Steve Grubb. + +2009-06-01 Ville Skyttä + + * modules/pam_limits/pam_limits.8.xml: Only *.conf + files are parsed. Spelling fixes. + * modules/pam_access/pam_access.8.xml: Spelling fixes. + * modules/pam_cracklib/pam_cracklib.8.xml: Likewise. + * modules/pam_echo/pam_echo.8.xml: Likewise. + * modules/pam_env/pam_env.8.xml: Likewise. + * modules/pam_exec/pam_exec.8.xml: Likewise. + * modules/pam_filter/pam_filter.8.xml: Likewise. + * modules/pam_ftp/pam_ftp.8.xml: Likewise. + * modules/pam_group/pam_group.8.xml: Likewise. + * modules/pam_issue/pam_issue.8.xml: Likewise. + * modules/pam_lastlog/pam_lastlog.8.xml: Likewise. + * modules/pam_listfile/pam_listfile.8.xml: Likewise. + * modules/pam_localuser/pam_localuser.8.xml: Likewise. + * modules/pam_loginuid/pam_loginuid.8.xml: Likewise. + * modules/pam_mkhomedir/pam_mkhomedir.8.xml: Likewise. + * modules/pam_motd/pam_motd.8.xml: Likewise. + * modules/pam_namespace/pam_namespace.8.xml: Likewise. + * modules/pam_pwhistory/pam_pwhistory.8.xml: Likewise. + * modules/pam_selinux/pam_selinux.8.xml: Likewise. + * modules/pam_succeed_if/pam_succeed_if.8.xml: Likewise. + * modules/pam_tally/pam_tally.8.xml: Likewise. + * modules/pam_tally2/pam_tally2.8.xml: Likewise. + * modules/pam_time/pam_time.8.xml: Likewise. + * modules/pam_timestamp/pam_timestamp.8.xml: Likewise. + * modules/pam_timestamp/pam_timestamp_check.8.xml: Likewise. + * modules/pam_tty_audit/pam_tty_audit.8.xml: Likewise. + * modules/pam_umask/pam_umask.8.xml: Likewise. + * modules/pam_unix/pam_unix.8.xml: Likewise. + * modules/pam_xauth/pam_xauth.8.xml: Likewise. + +2009-05-28 Jaswinder Singh + + * po/pa.po: Updated translations. + +2009-05-21 Albert Carabasa Giribet + + * po/ca.po: Updated translations. + +2009-05-11 Ani Peter + + * po/ml.po: Updated translations. + +2009-05-11 Charles-Antoine Couret + + * po/fr.po: Updated translations. + +2009-05-11 Tomáš Mráz + + * modules/pam_unix/pam_unix_passwd.c (_unix_run_update_binary): Remove + unnecessary setuid() call. + +2009-05-05 Thorsten Kukuk + + * release version 1.0.92 + * libpamc/Makefile.am (libpamc_la_LDFLAGS): Increase revesion. + * configure.in: Increase version to 1.0.92. + +2009-04-20 Mario Santagiuliana + + * po/it.po: Updated translations. + +2009-04-17 Fabian Affolter + + * po/de.po: Updated translations. + +2009-04-16 Tomáš Mráz + + * modules/pam_succeed_if/pam_succeed_if.c (evaluate): Add user + parameter. Use user instead of pwd->pw_name in comparsions. + (pam_sm_authenticate): Pass the original user to evaluate(). + +2009-04-14 Amitakhya Phukan + + * po/as.po: Updated translations. + +2009-04-14 Runa Bhattacharjee + + * po/bn_IN.po: Updated translations. + +2009-04-14 Sweta Kothari + + * po/gu.po: Updated translations. + +2009-04-14 Sandeep Shedmake + + * po/mr.po: Updated translations. + +2009-04-14 Rui Gouveia + + * po/pt.po: Updated translations. + +2009-04-14 I. Felix + + * po/ta.po: Updated translations. + +2009-04-14 Krishna Babu K + + * po/te.po: Updated translations. + +2009-04-09 Thorsten Kukuk + + * modules/pam_unix/yppasswd.h: Update license to GPLv2 or later + on request of Olaf Kirch (Author). + * modules/pam_unix/yppasswd_xdr.c: Likewise. + +2009-04-06 R.E. van der Luit + + * po/nl.po: Updated translations. + +2009-04-06 Terry Chuang + + * po/zh_TW.po: Updated translations. + +2009-04-03 Shankar Prasad + + * po/kn.po: Updated translations. + +2009-04-03 Manoj Kumar Giri + + * po/or.po: Updated translations. + +2009-04-03 MiloÅ¡ KomarÄević + + * po/sr.po: Updated translations. + * po/sr@latin.po: Updated translations. + +2009-04-03 Leah Liu + + * po/zh_CN.po: Updated translations. + +2009-04-03 Dmitry V. Levin + + * libpamc/pamc_load.c (__pamc_exec_agent): Replace call to exit(3) + in child process with call to _exit(2). + * modules/pam_mkhomedir/pam_mkhomedir.c (create_homedir): Likewise. + * modules/pam_unix/pam_unix_acct.c (_unix_run_verify_binary): + Likewise. + * modules/pam_unix/pam_unix_passwd.c (_unix_run_update_binary): + Likewise. + * modules/pam_unix/support.c (_unix_run_helper_binary): Likewise. + * modules/pam_xauth/pam_xauth.c (run_coprocess): Likewise. + * modules/pam_exec/pam_exec.c (call_exec): Replace all calls to + exit(3) in child process with calls to _exit(2). + * modules/pam_filter/pam_filter.c (set_filter): Likewise. + * modules/pam_namespace/pam_namespace.c (inst_init, + cleanup_tmpdirs): Likewise. + +2009-03-27 Thorsten Kukuk + + * modules/pam_unix/support.c (_unix_run_helper_binary): Don't + ignore return value of write(). + + * libpamc/include/security/pam_client.h (PAM_BP_ASSERT): Honour + NDEBUG. + * modules/pam_timestamp/pam_timestamp.c: don't ignore return + values of lchown and fchown. + +2009-03-25 Thorsten Kukuk + + * modules/pam_mkhomedir/pam_mkhomedir.c: Make option handling + reentrant (#2487654) + (_pam_parse): Fix umask option. + + * modules/pam_unix/passverify.c: Fix typo. + + * modules/pam_issue/pam_issue.c: Fix compiler warning. + * modules/pam_ftp/pam_ftp.c: Likewise. + +2009-03-25 Pavol Å imo + + * po/sk.po: Updated translations. + +2009-03-24 Sulyok Péter + + * po/hu.po: Updated translations. + +2009-03-24 Domingo Becker + + * po/es.po: Updated translations. + +2009-03-24 Diego Búrigo Zacarão + + * po/pt_BR.po: Updated translations. + +2009-03-24 Piotr DrÄ…g + + * po/pl.po: Updated translations. + +2009-03-24 Tomas Mraz + + * modules/pam_unix/passverify.c(save_old_password): Call fflush() and + fsync(). + (unix_update_passwd, unix_update_shadow): Likewise. + * modules/pam_pwhistory/opasswd.c(save_old_password): Likewise. + + * po/cs.po: Updated translations. + +2009-03-09 Thorsten Kukuk + + * release version 1.0.91 + + * libpam/Makefile.am (libpam_la_LDFLAGS): Bump version number. + * xtests/Makefile.am: Add tst-pam_unix4.pamd, tst-pam_unix4.sh + and time.conf. + +2009-03-03 Dmitry V. Levin + + * tests/tst-pam_mkargv.c (main): Fix for non-64bit architectures. + +2009-03-03 Tomas Mraz + + * modules/pam_unix/pam_unix_acct.c(_unix_run_verify_binary): Test + for abnormal exit of the helper binary. + * modules/pam_unix/pam_unix_passwd.c(_unix_run_update_binary): Likewise. + * modules/pam_unix/support.c(_unix_run_helper_binary): Likewise. + * modules/pam_mkhomedir/pam_mkhomedir.c(create_homedir): Likewise. + +2009-02-27 Tomas Mraz + + * modules/pam_mkhomedir/pam_mkhomedir.c(create_homedir): Replace + signal() with sigaction(). + * modules/pam_namespace/pam_namespace.c(inst_init, cleanup_tmpdirs): + Likewise. + * modules/pam_unix/pam_unix_acct.c(_unix_run_verify_binary): Likewise. + * modules/pam_unix/pam_unix_passwd.c(_unix_run_update_binary): + Likewise. + * modules/pam_unix/passverify.c(su_sighandler): Likewise. + * modules/pam_unix/support.c(_unix_run_helper_binary): Likewise. + + * modules/pam_tally2/Makefile.am: Link the pam_tally2 app to libpam + for auxiliary functions. + * modules/pam_tally2/pam_tally2.8.xml: Drop non-existing no_reset + option. Document new serialize option. + * modules/pam_tally2/pam_tally2.c: Add support for the new serialize + option. + (_cleanup, tally_set_data, tally_get_data): Add tally file handle to + tally PAM data. Needed for fcntl() locking. + (get_tally): Use low level file access instead of stdio buffered FILE. + If serialize option is used lock the tally file access. + (set_tally, tally_bump, tally_reset): Use low level file access instead + of stdio buffered FILE. Close the file handle only when it is not owned + by PAM data. + (pam_sm_authenticate, pam_sm_setcred, pam_sm_acct_mgmt): Pass the tally + file handle to tally_set_data(). Get it from tally_get_data(). + (main): Use low level file access instead of stdio buffered FILE. + +2009-02-26 Tomas Mraz + + * xtests/Makefile.am: Add tst-pam_unix4. + * xtests/tst-pam_unix4.c: New test for password change + and shadow min days limit. + * xtests/tst-pam_unix4.pamd: Likewise. + * xtests/tst-pam_unix4.sh: Likewise. + + * modules/pam_unix/pam_unix_acct.c (pam_sm_acct_mgmt): Ignore + PAM_AUTHTOK_ERR on shadow verification. + * modules/pam_unix/passverify.c (check_shadow_expiry): Return + PAM_AUTHTOK_ERR if sp_min limit for password change is defied. + +2009-02-26 Timur Birsh + + * po/LINGUAS: New Kazakh translation. + * po/kk.po: New Kazakh translation. + +2009-02-25 Thorsten Kukuk + + * libpam/pam_misc.c (_pam_StrTok): Use unsigned char + instead of int. Reported by Marcus Granado. + * tests/Makefile.am (TESTS): Add tst-pam_mkargv. + * tests/tst-pam_mkargv.c (main): Test case for + _pam_mkargv. + + * po/de.po: Update fuzzy translations. + +2009-02-25 Tomas Mraz + + * xtests/access.conf: Add a line for name resolution test case. + * xtests/tst-pam_access4.c (main): Set PAM_RHOST for testing the LOCAL + keyword. Add a test case for name resolution. + + * modules/pam_access/pam_access.c (from_match): Move name resolution + to network_netmask_match(). + (network_netmask_match): Do a name resolution of the origin only if + matching against a real network/netmask. + +2009-02-25 Fabian Affolter + + * po/de.po: Updated translations. + +2009-02-25 Taylon Silmer Lacerda Silva + + * po/pt_BR.po: Updated translations. + +2009-02-25 Domingo Becker + + * po/es.po: Updated translations. + +2009-02-20 Thorsten Kukuk + + * modules/pam_limits/limits.conf.5.xml: Document that the kernel + can refuse values out of range for the local system. + * modules/pam_limits/pam_limits.c (setup_limits): Log if setrlimit + fails. + +2009-02-18 Thorsten Kukuk + + * libpam/pam_password.c (pam_chauthtok): Make sure applications + don't set internal flags. + +2009-02-17 Thorsten Kukuk + + * doc/man/pam_sm_chauthtok.3.xml: Document that sufficient + can break the PRELIM_CHECK chain. + + * libpam/pam_dispatch.c: Don't freeze chain for chauthtok + [bugzilla.novell.com#470337] + +2009-02-11 Daniel Nylander + + * po/sv.po: Updated translations. + +2009-01-29 Thorsten Kukuk + + * doc/man/pam_sm_setcred.3.xml: Document PAM_ESTABLISH_CRED. + +2009-01-19 Tomas Mraz + + * modules/pam_mkhomedir/Makefile.am: Add mkhomedir_helper. + * modules/pam_mkhomedir/mkhomedir_helper.8.xml: New file. Manual page + for mkhomedir_helper. + * modules/pam_mkhomedir/mkhomedir_helper.c: New file. Source + for mkhomedir_helper. Most of the code moved from pam_mkhomedir.c. + * modules/pam_mkhomedir/pam_mkhomedir.c (_pam_parse): Do not convert umask + to integer. + (rec_mkdir): Moved to mkhomedir_helper.c. + (create_homedir): Just exec the helper. + (pam_sm_open_session): Improve logging. + +2009-01-19 Daniel Cabrera + + * po/es.po: Updated translations. + +2009-01-14 Thorsten Kukuk + + * po/de.po: Updated translations. + +2009-01-07 Piotr DrÄ…g + + * po/pl.po: Updated translations. + +2008-12-23 Piotr DrÄ…g + + * po/pl.po: Updated translations. + +2008-12-18 Thorsten Kukuk + + * modules/pam_pwhistory/pam_pwhistory.c (parse_option): Rename + type= option to authtok_type= (because of pam_get_authtok). + * modules/pam_pwhistory/pam_pwhistory.8.xml: Likewise. + +2008-12-17 Tomas Mraz + + * modules/pam_tty_audit/pam_tty_audit.c (pam_sm_open_session): Do + not abort on unknown option. Avoid double free of old_status. + (pam_sm_close_session): Use LOG_DEBUG for restored status message. + + * configure.in: Test for getseuser(). + * modules/pam_selinux/pam_selinux.c (pam_sm_open_session): Call getseuser() + instead of getseuserbyname() if the function is available. + +2008-12-12 Thorsten Kukuk + + * release version 1.0.90 + + * libpam_misc/Makefile.am: Increase version number of shared library. + * libpamc/Makefile.am: Likewise. + +2008-12-12 Tomas Mraz + + * modules/pam_tally2/pam_tally2.c (get_tally): Test for EACCES + instead of EPERM. + * modules/pam_tally2/pam_tally2.8.xml: Fix documentation. + +2008-12-10 Thorsten Kukuk + + * doc/man/pam_item_types_ext.inc.xml: Document PAM_AUTHTOK_TYPE. + * libpam/pam_end.c (pam_end): Free authtok_type. + * tests/tst-pam_get_item.c: Add PAM_AUTHTOK_TYPE + as test case. + * tests/tst-pam_set_item.c: Likewise. + * libpam/pam_start.c (pam_start): Initialize xdisplay, + xauth and authtok_type. + * libpam/pam_get_authtok.c (pam_get_authtok): Rename "type" + to "authtok_type". + * modules/pam_cracklib/pam_cracklib.8.xml: Replace "type=" with + "authtok_type=". + * doc/man/pam_get_authtok.3.xml: Document authtok_type argument. + * modules/pam_cracklib/pam_cracklib.c (pam_sm_chauthtok): Set + type= argument as PAM_AUTHTOK_TYPE item. + * libpam/pam_get_authtok.c (pam_get_authtok): If no type + argument given, use PAM_AUTHTOK_TYPE item. + * libpam/pam_item.c (pam_get_item): Fetch PAM_AUTHTOK_TYPE item. + (pam_set_item): Store PAM_AUTHTOK_TYPE item. + * libpam/pam_private.h: Add authtok_type to pam_handle. + * libpam/include/security/_pam_types.h (PAM_AUTHTOK_TYPE): New. + +2008-12-03 Thorsten Kukuk + + * modules/pam_access/access.conf.5.xml: Replace + 2001:4ca0 with 2001:db8:: [bug#2356400]. + + * doc/man/Makefile.am: Add pam_get_authtok.3.xml. + * doc/man/pam_get_authtok.3.xml: New. + * libpam/Makefile.am: Add pam_get_authtok.c. + * libpam/libpam.map: Export pam_get_authtok. + * libpam/pam_get_authtok.c: New. + * libpam/pam_private.h: Add mod_argc and mod_argv to pam_handle. + * libpam_include/security/pam_ext.h: Add pam_get_authtok + prototype. + * modules/pam_cracklib/pam_cracklib.c: Use pam_get_authtok. + * modules/pam_pwhistory/pam_pwhistory.c: Likewise. + * po/POTFILES.in: Add libpam/pam_get_authtok.c. + * xtests/tst-pam_cracklib1.c: Adjust error codes. + + * modules/pam_timestamp/Makefile.am: Remove hmactest.c from + EXTRA_DIST. + + * po/*.po: Regenerated. + +2008-12-02 Michael Calmer + + * modules/pam_limits/limits.conf.5.xml: Document valid values + for limits (bnc#448314). + +2008-12-02 Thorsten Kukuk + + * modules/pam_env/pam_env.c: Add support for user specific + environment file. Based on a patch from Ubuntu. + * modules/pam_env/pam_env.8.xml: Document new options. + +2008-12-02 Olivier Fourdan + + * modules/pam_filter/pam_filter.c (master): Use /dev/ptmx + instead of the old BSD pseudoterminal API. + (set_filter): Call grantpt(), unlockpt() and ptsname(). Do not + close pseudoterminal handle in filter child. + * modules/pam_filter/upperLOWER/upperLOWER.c (main): Use + regular read() instead of pam_modutil_read() to allow for + short reads. + +2008-12-02 Tomas Mraz + + * modules/pam_timestamp/Makefile.am: Add hmacfile to tests. + * modules/pam_timestamp/hmacfile.c: Do not try the short key + testvector. + +2008-12-01 Tomas Mraz + + * modules/pam_unix/support.h: Fix masks for cipher algorithm + flags. + +2008-12-01 Thorsten Kukuk + + * modules/pam_unix/pam_unix.8.xml: Document blowfish option. + + * configure.in: Check for crypt_gensalt_rn. + * modules/pam_unix/pam_unix_passwd.c: Pass pamh to + create_password_hash function. + * modules/pam_unix/passverify.c (create_password_hash): Add + blowfish support. + * modules/pam_unix/passverify.h: Adjust create_password_hash + prototype. + * modules/pam_unix/support.c: Add support for blowfish option. + * modules/pam_unix/support.h: Add defines for blowfish option. + Jozsef Kadlecsik + +2008-12-01 Tomas Mraz + + * modules/pam_access/pam_access.8.xml: Fix description of nodefgroup + option. + + * modules/pam_group/pam_group.c (is_same): Fix check for correct + string length. + +2008-11-29 Thorsten Kukuk + + * configure.in: Check for xcrypt.h, fix typo in libaudit check. + * modules/pam_cracklib/pam_cracklib.c: Include xcrypt.h if + available. + * modules/pam_unix/bigcrypt.c: Likewise. + * modules/pam_unix/passverify.c: Likewise. + * modules/pam_userdb/pam_userdb.c: Likewise. + Jozsef Kadlecsik + + * doc/man/pam_getenv.3.xml: Document that application should + not free return value. + + * doc/man/pam.3.xml: Add Note about thread-safeness of libpam + functions. + +2008-11-28 Tomas Mraz + + * modules/pam_unix/unix_update.c (set_password): Allow root to change + passwords without verification of the old ones. + + * modules/pam_tally2/pam_tally2.c (tally_check): Fix info format + to be the same as in pam_tally. + + * configure.in: Add modules/pam_timestamp/Makefile. + * doc/sag/Linux-PAM_SAG.xml: Include pam_timestamp.xml. + * doc/sag/pam_timestamp.xml: New. + * libpam/pam_static_modules.h: Add pam_timestamp static struct. + * modules/Makefile.am: Add pam_timestamp directory. + * modules/pam_timestamp/Makefile.am: New. + * modules/pam_timestamp/README.xml: New. + * modules/pam_timestamp/hmacsha1.h: New. + * modules/pam_timestamp/sha1.h: New. + * modules/pam_timestamp/pam_timestamp.8.xml: New. + * modules/pam_timestamp/pam_timestamp_check.8.xml: New. + * modules/pam_timestamp/pam_timestamp.c: New. + * modules/pam_timestamp/pam_timestamp_check.c: New. + * modules/pam_timestamp/hmacfile.c: New. + * modules/pam_timestamp/hmacsha1.c: New. + * modules/pam_timestamp/sha1.c: New. + * modules/pam_timestamp/tst-pam_timestamp: New. + * po/POTFILES.in: Add pam_timestamp sources. + * po/*.po: Regenerate. + * po/cs.po: Updated translations. + +2008-11-25 Thorsten Kukuk + + * modules/pam_pwhistory/opasswd.c (save_old_password): Fix typo. + + * modules/pam_time/pam_time.c (is_same): Fix check + of correct string length (debian bug #326407). + +2008-11-24 Thorsten Kukuk + + * xtests/Makefile.am: Add pam_time1 tests. + * xtests/tst-pam_time1.c: New test case. + * xtests/tst-pam_time1.pamd: New. + * xtests/time.conf: New. + * xtests/run-xtests.sh: Copy time.conf. + +2008-11-24 Tomas Mraz + + * libpam/pam_handlers.c (_pam_parse_conf_file): '-' at + beginning of type token marks silent module. + (_pam_load_module): Add handler_type parameter. Do not log + module load error if module is silent. + (_pam_add_handler): Pass handler_type to _pam_load_module(). + * libpam/pam_private.h: Add PAM_HT_SILENT_MODULE. + * doc/man/pam.conf-syntax.xml: Document the '-' at beginning + of type. + + * modules/pam_cracklib/pam_cracklib.c (pam_sm_chauthtok): Fix leaks + in error path. + * modules/pam_env/pam_env.c (_parse_env_file): Remove superfluous + condition. + * modules/pam_group/pam_group.c (check_account): Fix leak + in error path. + * modules/pam_listfile/pam_listfile.c (pam_sm_authenticate): Fix leak + in error path. + * modules/pam_securetty/pam_securetty.c (securetty_perform_check): Remove + superfluous condition. + * modules/pam_stress/pam_stress.c (stress_get_password,pam_sm_authenticate): + Remove superfluous conditions. + (pam_sm_chauthtok): Fix mistaken && for &. + * modules/pam_unix/pam_unix_auth.c (pam_sm_authenticate): Remove + superfluous condition. + All the problems fixed in this commit were found by Steve Grubb. + +2008-11-20 Tomas Mraz + + * modules/pam_sepermit/pam_sepermit.c (sepermit_match): Do not + call sepermit_lock() if sense is deny. Do not crash on NULL seuser + match. + (pam_sm_authenticate): Try to call getseuserbyname() even if + SELinux is disabled. + +2008-11-19 Thorsten Kukuk + + * modules/pam_xauth/pam_xauth.c (pam_sm_open_session): + Preserve XAUTHLOCALHOSTNAME environment variable. + + * modules/pam_pwhistory/pam_pwhistory.c (pam_sm_chauthtok): Finish + implementation of type=STRING option. + + * modules/pam_pwhistory/pam_pwhistory.8.xml: Document + "type=STRING" option. + +2008-10-27 Thorsten Kukuk + + * doc/man/pam_setcred.3.xml: Document when credentials + should be deleted. + * po/ja.po: Fix syntax error. + * po/de.po: Update translations. + * po/*.po: Regenerate with pam_tally2 added. + +2008-10-23 Taylon Silmer Lacerda Silva + + * po/pt_BR.po: Updated translations. + +2008-10-23 Krishna Babu K + + * po/LINGUAS: New language. + * po/te.po: New translation to Telugu. + +2008-10-23 Manoj Kumar Giri + + * po/or.po: Updated translations. + +2008-10-21 Amitakhya Phukan + + * po/as.po: Updated translations. + +2008-10-21 Ondrej Sulek + + * po/sk.po: Updated translations. + +2008-10-21 Terry Chuang + + * po/zh_TW.po: Updated translations. + +2008-10-21 Kiyoto Hashida + + * po/ja.po: Updated translations. + +2008-10-21 Francesco Valente + + * po/it.po: Updated translations. + +2008-10-21 Peter van Egdom + + * po/nl.po: Updated translations. + +2008-10-20 Ani Peter + + * po/ml.po: Updated translations. + +2008-10-20 Pablo Martin-Gomez + + * po/fr.po: Updated translations. + +2008-10-20 Runa Bhattacharjee + + * po/bn_IN.po: Updated translations. + +2008-10-20 Shankar Prasad + + * po/kn.po: Updated translations. + +2008-10-20 Leah Liu + + * po/zh_CN.po: Updated translations. + +2008-10-20 Ondrej Sulek + + * po/LINGUAS: New language. + * po/sk.po: New translation to Slovak. + +2008-10-17 Tomas Mraz + + * configure.in: Add modules/pam_tally2/Makefile. + * doc/sag/Linux-PAM_SAG.xml: Include pam_tally2.xml. + * doc/sag/pam_tally2.xml: New. + * libpam/pam_static_modules.h: Add pam_tally2 static struct. + * modules/Makefile.am: Add pam_tally2 directory. + * modules/pam_tally2/Makefile.am: New. + * modules/pam_tally2/README.xml: New. + * modules/pam_tally2/tallylog.h: New. + * modules/pam_tally2/pam_tally2.8.xml: New. + * modules/pam_tally2/pam_tally2.c: New. + * modules/pam_tally2/pam_tally2_app.c: New. + * modules/pam_tally2/tst-pam_tally2: New. + * po/POTFILES.in: Add pam_tally2 sources. + +2008-10-17 Xavier Queralt Mateu + + * po/ca.po: Updated translations. + +2008-10-15 Tomas Mraz + + * modules/pam_keyinit/pam_keyinit.c (kill_keyrings): Save the old + euid to suid to be able to restore it. + +2008-10-15 Piotr DrÄ…g + + * po/pl.po: Updated translations. + +2008-10-13 Tomas Mraz + + * po/LINGUAS: New languages. + * po/cs.po: Updated translations. + +2008-10-13 Amitakhya Phukan + + * po/as.po: Updated translations. + +2008-10-13 Shankar Prasad + + * po/kn.po: Updated translations. + +2008-10-13 Sandeep Sheshrao Shedmake + + * po/mr.po: New translation to Marathi. + +2008-10-13 Runa Bhattacharjee + + * po/bn_IN.po: Updated translations. + +2008-10-13 Sharuzzaman Ahmat Raslan + + * po/ms.po: New translation to Malay. + +2008-10-10 Thorsten Kukuk + + * modules/pam_cracklib/pam_cracklib.c (_pam_unix_approve_pass): + Remove check for re-used passwords. + * modules/pam_cracklib/pam_cracklib.8.xml: Remove documentation + of re-used password check. + + * configure.in: add modules/pam_pwhistory/Makefile. + * doc/sag/Linux-PAM_SAG.xml: Include pam_pwhistory.xml. + * doc/sag/pam_pwhistory.xml: New. + * libpam/pam_static_modules.h: Add pam_pwhistory data. + * modules/Makefile.am: Add pam_pwhistory directory. + * modules/pam_pwhistory/Makefile.am: New. + * modules/pam_pwhistory/README.xml: New. + * modules/pam_pwhistory/opasswd.c: New. + * modules/pam_pwhistory/opasswd.h: New. + * modules/pam_pwhistory/pam_pwhistory.8.xml: New. + * modules/pam_pwhistory/pam_pwhistory.c: New. + * modules/pam_pwhistory/tst-pam_pwhistory: New. + * xtests/Makefile.am: New. + * xtests/run-xtests.sh: New. + * xtests/tst-pam_pwhistory1.c: New. + * xtests/tst-pam_pwhistory1.pamd: New. + * xtests/tst-pam_pwhistory1.sh: New. + * po/POTFILES.in: Add modules/pam_pwhistory/. + * po/de.po: Update translations. + +2008-10-02 Thorsten Kukuk + + * po/de.po: Update translations. + +2008-09-30 Manoj Kumar Giri + + * po/or.po: Updated translations. + +2008-09-30 Taylon Silmer Lacerda Silva + + * po/pt_BR.po: Updated translations. + +2008-09-30 Tomas Mraz + + * modules/pam_lastlog/pam_lastlog.8.xml: Document new options + noupdate and showfailed. + * modules/pam_lastlog/pam_lastlog.c(pam_parse): Recognize the new + options. + (last_login_read): New output parameter lltime. Do not display + the last login message if it would be empty. + (last_login_date): New output parameter lltime. Do not write the + last login info when LASTLOG_UPDATE is not set. + (last_login_failed): New function to display the last bad login + attempt from btmp. + (pam_sm_open_session): Obtain lltime from last_login_date() and + call last_login_failed() when appropriate. + + * po/Linux-pam.pot: Updated strings to translate. + * po/*.po: Likewise. + +2008-09-29 Thorsten Kukuk + + * modules/pam_echo/pam_echo.8.xml: Fix format error. + +2008-09-25 Tomas Mraz + + * modules/pam_tally/pam_tally.c(get_tally): Fix syslog message. + (tally_check): Open faillog read only. Close file descriptor. + Fix typos in messages. + +2008-09-25 Thorsten Kukuk + + * modules/pam_mail/pam_mail.c (report_mail): Fix logic of + "quiet" option (Patch from Andreas Henriksson ) + + * modules/pam_mail/pam_mail.8.xml: Fix typo. + +2008-09-23 Tomas Mraz + + * modules/pam_limits/limits.conf.5.xml: Comment that rss limit is + ignored. + +2008-09-19 Tomas Mraz + + * modules/pam_cracklib/pam_cracklib.8.xml: Fix description + of the palindrome test. Document new options maxrepeat and + reject_username. + * modules/pam_cracklib/pam_cracklib.c(_pam_parse): Parse + the maxrepeat and reject_username options. + (password_check): Call the new tests usercheck() and + consecutive(). + (_pam_unix_approve_pass): Pass user name to the password_check(). + +2008-09-16 Thorsten Kukuk + + * modules/pam_cracklib/pam_cracklib.8.xml: Fix typo. + + * modules/pam_unix/pam_unix.8.xml: Fix typo. + +2008-09-03 Thorsten Kukuk + + * modules/pam_exec/pam_exec.c: Expose authtok if requested, + provide environment variable containing service type. + * modules/pam_exec/pam_exec.8.xml: Document new option. + +2008-08-29 Tomas Mraz + + * modules/pam_loginuid/pam_loginuid.c(set_loginuid): Uids + are unsigned. + +2008-08-18 Thorsten Kukuk + + * Makefile.am (M4_FILES): Adjust list. + + * modules/pam_access/pam_access.8.xml: Fix module service + vs. module type. + * modules/pam_cracklib/pam_cracklib.8.xml: Likewise. + * modules/pam_debug/pam_debug.8.xml: Likewise. + * modules/pam_deny/pam_deny.8.xml: Likewise. + * modules/pam_echo/pam_echo.8.xml: Likewise. + * modules/pam_env/pam_env.8.xml: Likewise. + * modules/pam_exec/pam_exec.8.xml: Likewise. + * modules/pam_faildelay/pam_faildelay.8.xml: Likewise. + * modules/pam_filter/pam_filter.8.xml: Likewise. + * modules/pam_ftp/pam_ftp.8.xml: Likewise. + * modules/pam_group/pam_group.8.xml: Likewise. + * modules/pam_issue/pam_issue.8.xml: Likewise. + * modules/pam_keyinit/pam_keyinit.8.xml: Likewise. + * modules/pam_lastlog/pam_lastlog.8.xml: Likewise. + * modules/pam_limits/pam_limits.8.xml: Likewise. + * modules/pam_listfile/pam_listfile.8.xml: Likewise. + * modules/pam_localuser/pam_localuser.8.xml: Likewise. + * modules/pam_loginuid/pam_loginuid.8.xml: Likewise. + * modules/pam_mail/pam_mail.8.xml: Likewise. + * modules/pam_mkhomedir/pam_mkhomedir.8.xml: Likewise. + * modules/pam_motd/pam_motd.8.xml: Likewise. + * modules/pam_namespace/pam_namespace.8.xml: Likewise. + * modules/pam_nologin/pam_nologin.8.xml: Likewise. + * modules/pam_permit/pam_permit.8.xml: Likewise. + * modules/pam_rhosts/pam_rhosts.8.xml: Likewise. + * modules/pam_rootok/pam_rootok.8.xml: Likewise. + * modules/pam_securetty/pam_securetty.8.xml: Likewise. + * modules/pam_selinux/pam_selinux.8.xml: Likewise. + * modules/pam_sepermit/pam_sepermit.8.xml: Likewise. + * modules/pam_shells/pam_shells.8.xml: Likewise. + * modules/pam_succeed_if/pam_succeed_if.8.xml: Likewise. + * modules/pam_tally/pam_tally.8.xml: Likewise. + * modules/pam_time/pam_time.8.xml: Likewise. + * modules/pam_tty_audit/pam_tty_audit.8.xml: Likewise. + * modules/pam_umask/pam_umask.8.xml: Likewise. + * modules/pam_unix/pam_unix.8.xml: Likewise. + * modules/pam_userdb/pam_userdb.8.xml: Likewise. + * modules/pam_warn/pam_warn.8.xml: Likewise. + * modules/pam_wheel/pam_wheel.8.xml: Likewise. + * modules/pam_xauth/pam_xauth.8.xml: Likewise. + +2008-08-01 Thorsten Kukuk + + * configure.in: Add version for gettext, add search path + for m4 directory, fix handling of --disable-* options. + Patches from Diego Pettenò . + + * configure.in: Run autoupdate on it. + + * acincludde.m4: Rename to ... + * m4/jh_path_xml_catalog.m4: ... this. + + * m4/*.m4: Remove all autoconf m4 files. + +2008-07-29 Steve Langasek + + * modules/pam_cracklib/pam_cracklib.8.xml: correct a typo, + "Only he" -> "Only the" + +2008-07-28 Steve Langasek + + * libpamc/test/regress/test.libpamc.c: use standard u_int8_t + type instead of __u8, as elsewhere. + Patch from Roger Leigh . + * modules/pam_unix/passverify.c: make save_old_password() + thread-safe by using pam_modutil_getpwnam() instead of getpwnam() + * modules/pam_unix/passverify.c, modules/pam_unix/passverify.h, + modules/pam_unix/pam_unix_passwd.c: add pamh argument to + save_old_password() + +2008-07-27 Steve Langasek + + * modules/pam_*/pam_*.8.xml: fix up the references to pam.d, + which is in manpage section 5, not 8. + * modules/pam_env/environment, modules/pam_env/pam_env.8.xml: + spelling fix, seperate -> separate + +2008-07-26 Steve Langasek + + * modules/pam_env/pam_env.c: Fix module to skip over + non-alphanumeric variable names, and to handle the case when + asked to delete a non-existent variable. + +2008-07-13 Tomas Mraz + + * modules/pam_mail/pam_mail.8.xml: Module supports session and + not account service (#1980773). + +2008-07-11 Tomas Mraz + + * modules/pam_unix/pam_unix_acct.c (_unix_run_verify_binary): Do + not close the pipe descriptor in borderline case (#2009766). + * modules/pam_unix/pam_unix_passwd.c (_unix_run_update_binary): + Likewise. + * modules/pam_unix/support.c (_unix_run_helper_binary): Likewise. + * modules/pam_unix/support.h: Define upper limit of fds we will + attempt to close. + + * modules/pam_selinux/pam_selinux.c (config_context): Do not + ask for the level if use_current_range is set. + (context_from_env): New function to obtain the context from + PAM environment variables. + (pam_sm_open_session): Call context_from_env() if env_params option + is present. use_current_range now modifies behavior of the + context_from_env and config_context options. + * modules/pam_selinux/pam_selinux.8.xml: Describe the env_params + option. Adjust description of use_current_range option. + +2008-07-09 Thorsten Kukuk + + * modules/pam_exec/pam_exec.c (call_exec): Move all variable + declaration to begin of a block (#1976310). + + * xtests/tst-pam_group1.c (run_test): Move no_grps declaration + to begin of function (#1976310). + + * modules/pam_securetty/pam_securetty.8.xml: Replace + PAM_IGNORE with PAM_USER_UNKNOWN (#1994330). + + * modules/pam_tally/pam_tally.c: Add support for silent and + no_log_info options. + * modules/pam_tally/pam_tally.8.xml: Document silent and + no_log_info options. + +2008-07-08 Thorsten Kukuk + + * modules/pam_unix/passverify.c (verify_pwd_hash): Adjust debug + statement. + +2008-06-22 Thorsten Kukuk + + * modules/pam_unix/unix_chkpwd.c (main): Fix compiling without + audit support. + + * modules/pam_cracklib/pam_cracklib.8.xml: Fix typo in ucredit + description (reported by Wayne Pollock ) + +2008-06-19 Tomas Mraz + + * modules/pam_succeed_if/pam_succeed_if.c (pam_sm_authenticate): + Detect configuration errors. Fail on incomplete condition. + +2008-05-20 Tomas Mraz + + * configure.in: Work correctly with autoconf-2.62. + +2008-05-19 Tomas Mraz + + * doc/man/pam_getenv.3.xml: Correct the pam_getenv documentation. + + * doc/man/pam_prompt.3.xml: Add missing description. + +2008-05-14 Kjartan Maraas + + * po/nb.po: Updated translation. + +2008-05-14 Sulyok Péter + + * po/hu.po: Updated translation. + +2008-05-14 Tomas Mraz + + * libpam/pam_modutil_getgrgid.c: Replace hardcoded constant with + define PWD_LENGTH_SHIFT. + * libpam/pam_modutil_getgrnam.c: Likewise. + * libpam/pam_modutil_getpwnam.c: Likewise. + * libpam/pam_modutil_getpwuid.c: Likewise. + * libpam/pam_modutil_getspnam.c: Likewise. + * libpam/pam_modutil_private.h: Adjust values for PWD_ constants. + + * modules/pam_unix/pam_unix_passwd.c(pam_sm_chauthtok): Unset authtok + item when password is not approved. + * modules/pam_unix/support.c(_unix_read_password): UNIX_USE_FIRST_PASS + is always set when UNIX_AUTHTOK is set, change order of conditions. + +2008-05-02 Tomas Mraz + + * modules/pam_selinux/pam_selinux.c(query_response): Add handling + for NULL response. + (manual_context): Handle failed query_response() properly. Rename + variable responses to response which is more correct name. + (config_context): Likewise. + (pam_sm_open_session): Do not base decision on whether there is a tty. + +2008-04-22 Tomas Mraz + + * modules/pam_selinux/pam_selinux.c(pam_sm_close_sesion): Fix + regression from the change from 2008-03-20. setexeccon() must be + called also with NULL prev_context. + +2008-04-21 Thorsten Kukuk + + * modules/pam_access/access.conf.5.xml: Document changed behavior + of LOCAL keyword. + * modules/pam_access/pam_access.c: Add from_remote_host to + struct login_info to change behavior of LOCAL keyword: if + PAM_RHOST is not set, LOCAL will be true. + +2008-04-18 Tomas Mraz + + * modules/pam_namespace/pam_namespace.c: New functions + unprotect_dirs(), cleanup_protect_data(), protect_mount(), + protect_dir() to protect directory by bind mount. + (cleanup_data): Renamed to cleanup_polydir_data(). + (parse_create_params): Allow missing specification of mode + or owner. + (check_inst_parent): Call protect_dir() on the instance parent + directory. The directory is created when it doesn't exist. + (create_polydir): Protect and make the polydir by protect_dir(), + remove potential races. + (create_dirs): Renamed to create_instance(), remove call to + inst_init(). + (ns_setup): Call protect_dir() on the polydir if it already exists. + Call inst_init() after the polydir is mounted. + (setup_namespace): Set the namespace protect data to be cleaned up + on pam_close_session()/pam_end(). + (pam_sm_open_session): Initialize the protect_dirs. + (pam_sm_close_session): Cleanup namespace protect data. + * modules/pam_namespace/pam_namespace.h: Define struct for the + stack of protected dirs. + * modules/pam_namespace/pam_namespace.8.xml: Document when the + instance init script is called. + * modules/pam_namespace/namespace.conf.5.xml: Likewise. + +2008-04-17 Tomas Mraz + + * modules/pam_access/pam_access.c(myhostname): Removed function. + (user_match): Supply hostname of the machine to the netgroup_match(). + Use hostname from the loginfo instead of calling myhostname(). + (pam_sm_authenticate): Call gethostname() to fill hostname in the + loginfo. + + * modules/pam_sepermit/pam_sepermit.c(sepermit_match): Do not try + to lock if euid != 0. + +2008-04-16 Tomas Mraz + + * modules/pam_unix/Makefile.am: Link unix_chkpwd with libaudit. + * modules/pam_unix/unix_chkpwd.c(_audit_log): New function for audit. + (main): Call _audit_log() when appropriate. + + * modules/pam_cracklib/pam_cracklib.c(_pam_parse): Recognize also + try_first_pass and use_first_pass options. + (pam_sm_chauthtok): Implement the new options. + +2008-04-08 Tomas Mraz + + * modules/pam_xauth/pam_xauth.c(run_coprocess): Avoid multiple + calls to sysconf() (based on patch by Sami Farin). + + * libpam/pam_item.c (TRY_SET): Do not set when destination + is identical to source. + (pam_set_item): Do not overwrite destination when it + is identical to source. + +2008-04-07 MiloÅ¡ KomarÄević + + * po/sr.po: New file with translation. + * po/sr@latin.po: Likewise. + * po/LINGUAS: Add sr and sr@latin. + +2008-04-03 Thorsten Kukuk + + * release version 1.0.0 + + * configure.in: Set version number to 1.0.0. + * libpam/Makefile.am: Bump patchlevel of libpam. + * doc/adg/Linux-PAM_ADG.xml: Update version/date. + * doc/mwg/Linux-PAM_MWG.xml: Likewise. + * doc/sag/Linux-PAM_SAG.xml: Likewise. + +2008-03-31 Dan Walsh + + * modules/pam_sepermit/pam_sepermit.c(sepermit_lock): Mark lock fd to + be closed on exec. + +2008-03-25 Leah Liu + + * po/zh_CN.po: Updated translation. + +2008-03-20 Tomas Mraz + + * modules/pam_namespace/pam_namespace.c(poly_name): Switch to USER + method only when appropriate. + (setup_namespace): Do not umount when not mounted with RUSER. + + * modules/pam_selinux/pam_selinux.c(pam_sm_close_session): Call + freecontext() after the context is logged not before. + +2008-03-18 Canniot Thomas + + * po/fr.po: Updated translation. + +2008-03-13 Ankit Patel + + * po/gu.po: Updated translation. + +2008-03-05 Tomas Mraz + + * modules/pam_cracklib/pam_cracklib.c(pam_sm_chauthtok): Avoid + unnecessary x_strdup() of resp. + * modules/pam_ftp/pam_ftp(pam_sm_authenticate): Call _pam_overwrite() + before dropping password resp. + +2008-03-03 Tomas Mraz + + * modules/pam_selinux/pam_selinux.c: Do not translate syslog messages. + * po/Linux-PAM.pot: Update. + + * libpam/pam_item.c(RESET): Rename to TRY_SET, handle strdup failure. + (pam_set_item): Use TRY_SET() also for PAM_AUTHTOK and PAM_OLDAUTHTOK. + Handle allocation failure for PAM_XAUTHDATA. + (pam_get_user): Return error when conversation returns NULL user. + Call pam_set_item() instead of RESET(). + +2008-02-26 Tomas Mraz + + * modules/pam_unix/Makefile.am: Do not link to cracklib. + * modules/pam_unix/pam_unix_passwd.c(_pam_unix_approve_pass): + Do not call FascistCheck() from cracklib. + +2008-02-29 Fabian Affolter + + * po/de.po: Updated translation. + +2008-02-28 Piotr DrÄ…g + + * po/pl.po: Updated translation. + +2008-02-26 Tomas Mraz + + * po/LINUGAS: New languages added. + * po/es.po: Updated translations. + * po/fr.po: Likewise. + * po/it.po: Likewise. + * po/ja.po: Likewise. + * po/nl.po: Likewise. + * po/pl.po: Likewise. + * po/pt_BR.po: Likewise. + * po/ru.po: Likewise. + * po/zh_CN.po: Likewise. + * po/as.po: New file. + * po/gu.po: Likewise. + * po/hi.po: Likewise. + * po/kn.po: Likewise. + * po/ko.po: Likewise. + * po/ml.po: Likewise. + * po/or.po: Likewise. + * po/si.po: Likewise. + * po/ta.po: Likewise. + +2008-02-21 Tomas Mraz + + * libpam/pam_audit.c (_pam_audit_writelog): Silence syslog + message on non-error return. + + * modules/pam_unix/unix_chkpwd.c (main): Proceed as unprivileged + user when checking password of another user. + * modules/pam_unix/unix_update.c: Fix comment. + +2008-02-18 Dmitry V. Levin + + * libpam/pam_handlers.c (_pam_assemble_line): Fix potential + buffer overflow. + * xtests/tst-pam_assemble_line1.pamd: New test for + _pam_assemble_line. + * xtests/tst-pam_assemble_line1.sh: New script for + tst-pam_assemble_line1. + * xtests/Makefile.am (NOSRCTESTS): Add tst-pam_assemble_line1. + (EXTRA_DIST): Add tst-pam_assemble_line1.pamd and + tst-pam_assemble_line1.sh + + * modules/pam_exec/pam_exec.c (call_exec): Fix asprintf return + code check. + +2008-02-13 Thorsten Kukuk + + * release version 0.99.10.0 + + * configure.in: set version number. + + * modules/pam_rhosts/Makefile.am: Remove pam_rhosts_auth. + * modules/pam_rhosts/pam_rhosts_auth.c: Removed. + * modules/pam_rhosts/tst-pam_rhosts_auth: Removed. + + * modules/pam_namespace/Makefile.am (noinst_HEADERS): Add + pam_namespace.h. + +2008-02-13 Tomas Mraz + + * modules/pam_namespace/Makefile.am: Add argv_parse files and namespace.d + dir. + * modules/pam_namespace/argv_parse.c: New file. + * modules/pam_namespace/argv_parse.h: New file. + * modules/pam_namespace/namespace.conf.5.xml: Document new features. + * modules/pam_namespace/pam_namespace.8.xml: Likewise. + * modules/pam_namespace/pam_namespace.h: Use SECURECONF_DIR define. + Define NAMESPACE_D_DIR and NAMESPACE_D_GLOB. Define new option flags + and polydir flags. + (polydir_s): Add rdir, replace exclusive with flags, add init_script, + owner, group, and mode. + (instance_data): Add ruser, gid, and ruid. + * modules/pam_namespace/pam_namespace.c: Remove now unused copy_ent(). + (add_polydir_entry): Add the entry directly, no copy. + (del_polydir): New function. + (del_polydir_list): Call del_polydir(). + (expand_variables, parse_create_params, parse_iscript_params, + parse_method): New functions. + (process_line): Call expand_variables() on polydir and instance prefix. + Call argv_parse() instead of strtok_r(). Allocate struct polydir_s on heap. + (parse_config_file): Parse .conf files from namespace.d dir after + namespace.conf. + (form_context): Call getcon() or get_default_context_with_level() when + appropriate flags are set. + (poly_name): Handle shared polydir flag. + (inst_init): Execute non-default init script when specified. + (create_polydir): New function. + (create_dirs): Remove the code which checks the polydir. Do not call + inst_init() when noinit flag is set. + (ns_setup): Check the polydir and eventually create it if the create flag + is set. + (setup_namespace): Use ruser uid from idata. Set the namespace polydir + pam data only when namespace was set up correctly. Unmount polydir + based on ruser. + (get_user_data): New function. + (pam_sm_open_session): Check for use_current_context and + use_default_context options. Call get_user_data(). + (pam_sm_close_session): Call get_user_data(). + +2008-02-06 Thorsten Kukuk + + * po/de.po: Translate some more strings. + +2008-02-05 Thorsten Kukuk + + * modules/pam_unix/unix_update.c: Remove unused declarations. + +2008-02-04 Thorsten Kukuk + + * libpam/pam_static_modules.h: Add _pam_sepermit_modstruct. + * modules/pam_sepermit/pam_sepermit.c: Fix typo. + * modules/pam_sepermit/Makefile.am: Install config file only + if we build the module. + + * README: Add --disable-pie to configure options for static library. + + * doc/man/Makefile.am: Fix building outside of src directory. + + * libpam/Makefile.am: Bump version number of libpam. + + * modules/Makefile.am: Add pam_sepermit. + + * doc/Makefile.am: Fix build out of source directory. + + * po/POTFILES.in: Add pam_sepermit.c. + + * modules/pam_exec/pam_exec.c: Set PAM environment variables and + add 'quiet' option. + * modules/pam_exec/pam_exec.8.xml: Document new behavior. + Patch from Julien Lecomte . + +2008-02-01 Tomas Mraz + + * modules/pam_namespace/namespace.conf.5.xml: Add documentation for + tmpfs and tmpdir polyinst and for ~ user list modifier. + * modules/pam_namespace/namespace.init: Add documentation for the + new init parameter. Add home directory initialization script. + * modules/pam_namespace/pam_namespace.8.xml: Document the new + init parameter of the namespace.init script. + * modules/pam_namespace/pam_namespace.c(copy_ent): Copy exclusive flag. + (cleanup_data): New function. + (process_line): Set exclusive flag. Add tmpfs and tmpdir methods. + (ns_override): Change behavior on the exclusive flag. + (poly_name): Process tmpfs and tmpdir methods. + (inst_init): Add flag for new directory initialization. + (create_dirs): Process the tmpdir method, add the new directory + flag. + (ns_setup): Remove unused code. Process the tmpfs method. + (cleanup_tmpdirs): New function. + (setup_namespace): Set data for proper cleanup. Cleanup the tmpdirs + on failures. + (pam_sm_close_session): Instead of parsing the config file again use + the previously set data for cleanup. + * modules/pam_namespace/pam_namespace.h: Add TMPFS and TMPDIR methods + and exclusive flag. + +2008-01-29 Tomas Mraz + + * configure.in: Test for setkeycreatecon needs libselinux. + Add new module pam_sepermit. + * modules/Makefile.am: Add new module pam_sepermit. + * modules/pam_sepermit/.cvsignore: New file. + * modules/pam_sepermit/Makefile.am: Likewise. + * modules/pam_sepermit/README.xml: Likewise. + * modules/pam_sepermit/pam_sepermit.8.xml: Likewise. + * modules/pam_sepermit/pam_sepermit.c: Likewise. + * modules/pam_sepermit/sepermit.conf: Likewise. + * modules/pam_sepermit/tst-pam_sepermit: Likewise. + * doc/sag/pam_sepermit.xml: Likewise. + + * doc/sag/pam_tty_audit.xml: Add pam_tty_audit to SAG. + +2008-01-29 Miloslav Trmac + + * modules/pam_tty_audit/README.xml: Add notes section. + * modules/pam_tty_audit/pam_tty_audit.8.xml: Describe patterns + support and open_only option. Add notes. + * modules/pam_tty_audit/pam_tty_audit.c(pam_sm_open_session): Add + support for pattern matching and the open_only option. + +2008-01-28 Thorsten Kukuk + + * libpam/pam_audit.c: Include pam_modutil_private.h. + + * libpam/pam_item.c (pam_set_item): Fix compiler warning. + + * libpam/pam_end.c (pam_end): Cast to correct pointer type. + * libpam/include/security/_pam_macros.h (_pam_overwrite_n): Use + unsigned int. + + * modules/pam_unix/passverify.c: Fix compiling without SELinux + support. + +2008-01-24 Tomas Mraz + + * modules/pam_unix/bigcrypt.c (bigcrypt): Use crypt_r() when + available. + * modules/pam_unix/passverify.c (strip_hpux_aging): New function + to strip HP/UX aging info from password hash. + (verify_pwd_hash): Call strip_hpux_aging(), use crypt_r() when + available. + +2008-01-23 Tomas Mraz + + * configure.in: Add test for crypt_r(). Add setting/disabling random + device support. + + * modules/pam_unix/Makefile.am: Add unix_update.8 manpage generated from + XML, generate also unix_chkpwd.8 from XML. + * modules/pam_unix/pam_unix_acct.c: Add rounds parameter to _set_ctrl(). + * modules/pam_unix/pam_unix_auth.c: Likewise. + * modules/pam_unix/pam_unix_sess.c: Likewise. + * modules/pam_unix/pam_unix_passwd.c: Likewise. + * modules/pam_unix/support.c(_set_ctrl): Likewise. + * modules/pam_unix/support.h: Likewise. Add UNIX_SHA256_PASS, + UNIX_SHA512_PASS, and UNIX_ALGO_ROUNDS ctrls. + (pam_sm_chauthtok): Refactor out new password encryption. + * modules/pam_unix/passverify.c(crypt_make_salt): New function. + (crypt_md5_wrapper): Call crypt_make_salt(). + (create_password_hash): New function refactored out of + pam_sm_chauthtok(). Support for new password hashes. + * modules/pam_unix/passverify.h: Drop ascii_to_bin() and bin_to_ascii() + macros. Add prototype for create_password_hash(). + * modules/pam_unix/unix_update.8.xml: New file. + * modules/pam_unix/unix_chkpwd.8.xml: Likewise. + + * modules/pam_unix/Makefile.am: Add unix_update helper. + * modules/pam_unix/pam_unix_passwd.c: Move functions i64c(), + crypt_md5_wrapper(), save_old_password(), _update_passwd() and + _update_shadow() to passverify.c file. Rename _unix_run_shadow_binary() + to _unix_run_update_binary(), which also verifies old password and + does all writing. + (_do_setpass, pam_sm_chauthtok): lckpwdf()->lock_pwdf(), the same for unlock. + Call _unix_run_update_binary() appropriately. + _update_passwd()->unix_update_passwd(), the same for shadow. + * modules/pam_unix/passverify.c: Add new functions moved from + pam_unix_passwd.c and unix_chkpwd.c. + * modules/pam_unix/passverify.h: Likewise. + * modules/pam_unix/unix_chkpwd.c: Remove SELinux checks. Move + su_sighandler(), setup_signals(), getuidname() to passverify.c. + (main): Remove 'shadow' option. Refactor out read_passwords() and + call it. More strict checking how the binary is called. + * modules/pam_unix/unix_update.c: New helper binary - non-setuid, + called from SELinux confined apps only. + + * modules/pam_unix/pam_unix_acct.c (_unix_run_verify_binary): Return + status and daysleft instead of fake shadow entry. + (pam_sm_acct_mgmt): Call _unix_run_verify_binary() appropriately. + * modules/pam_unix/pam_unix_passwd.c (_unix_verify_shadow): Call + get_account_info() and check_shadow_expiry(). + * modules/pam_unix/support.h: Adjust _unix_run_verify_binary() + prototype. + * modules/pam_unix/support.c (_unix_run_helper_binary): Remove check + on selinux enabled/disabled. + * modules/pam_unix/unix_chkpwd.c (_verify_account): Rename to + _check_expiry(), now checks shadow expiry info. + (main): Remove check on selinux enabled/disabled. Check shadow + expiry through _check_expiry(). + + * modules/pam_unix/pam_unix_acct.c (pam_sm_acct_mgmt): Call + get_account_info() and check_shadow_expiry(). + * modules/pam_unix/passverify.c: Add get_account_info() to + obtain shadow and passwd entry. Add check_shadow_expiry() to + for shadow password expiry check. + (get_pwd_hash): Call get_account_info(). + * modules/pam_unix/passverify.h: Add prototypes for get_account_info() + and check_shadow_expiry(). + +2008-01-08 Thorsten Kukuk + + * doc/man/Makefile.am: Fix manual page dependencies, + add hack for bug in xsl stylestheets. + +2008-01-07 Thorsten Kukuk + + * po/it.po: Fix typos. + * po/de.po: Few new translations. + * po/POTFILES.in: Add pam_tty_audit.c and passverify.c. + * doc/man/pam_xauth_data.3.xml: Added to CVS. + * doc/man/pam_xauth_data.3: Likewise. + * modules/pam_tty_audit/README: Likewise. + * modules/pam_tty_audit/pam_tty_audit.8: Likewise. + * po/sv.po: Update swedish translation [#1857531]. + * modules/pam_succeed_if/pam_succeed_if.8.xml: Fix + cut & paste error [#1863490]. + +2008-01-02 Petteri Räty + * modules/pam_limits/limits.conf: document allowed values for + nice. + * modules/pam_limits/limits.conf.5.xml: Likewise. + +2007-12-18 Thorsten Kukuk + + * README: Document how to run make check with static modules + (SF#1822779). + +2007-12-18 Peter Breitenlohner + * README: Document that "make check" requires a file + /etc/pam.d/other (SF#1822764). + +2007-12-12 Eamon Walsh + + * doc/man/pam_item_types_ext.inc.xml: More appropriate wording + for PAM_XDISPLAY doc. + +2007-12-07 Tomas Mraz + + * po/cs.po: Updated translations. + + * libpam/libpam.map: Add LIBPAM_MODUTIL_1.1 version. + * libpam/pam_audit.c: Add _pam_audit_open() and + pam_modutil_audit_write(). + (_pam_auditlog): Call _pam_audit_open(). + * libpam/include/security/pam_modutil.h: Add pam_modutil_audit_write(). + * modules/pam_access/pam_access.8.xml: Add noaudit option. + Document auditing. + * modules/pam_access/pam_access.c: Move fs, sep, pam_access_debug, and + only_new_group_syntax variables to struct login_info. Add noaudit + member. + (_parse_args): Adjust for the move of variables and add support for + noaudit option. + (group_match): Add debug parameter. + (string_match): Likewise. + (network_netmask_match): Likewise. + (login_access): Adjust for the move of variables. Add nonall_match. + Add call to pam_modutil_audit_write(). + (list_match): Adjust for the move of variables. + (user_match): Likewise. + (from_match): Likewise. + (pam_sm_authenticate): Call _parse_args() earlier. + * modules/pam_limits/pam_limits.8.xml: Add noaudit option. + Document auditing. + * modules/pam_limits/pam_limits.c (_pam_parse): Add noaudit option. + (setup_limits): Call pam_modutil_audit_write(). + * modules/pam_time/pam_time.8.xml: Add debug and noaudit options. + Document auditing. + * modules/pam_time/pam_time.c: Add option parsing (_pam_parse()). + (check_account): Call _pam_parse(). Call pam_modutil_audit_write() + and pam_syslog() on login denials. + +2007-12-07 Luca Bruno + + * po/it.po: Updated translations. + +2007-12-06 Eamon Walsh + + * libpam/include/security/_pam_macros.h: Add _pam_overwrite_n() + macro. + * libpam/include/security/_pam_types.h: Add PAM_XDISPLAY, + PAM_XAUTHDATA items, pam_xauth_data struct. + * libpam/pam_item.c (pam_set_item, pam_get_item): Handle + PAM_XDISPLAY and PAM_XAUTHDATA items. + * libpam/pam_end.c (pam_end): Destroy the new items. + * libpam/pam_private.h (pam_handle): Add data members for new + items. Add prototype for _pam_memdup. + * libpam/pam_misc.c: Add _pam_memdup. + * doc/man/Makefile.am: Add pam_xauth_data.3. Replace + pam_item_types.inc.xml with pam_item_types_std.inc.xml and + pam_item_types_ext.inc.xml. + * doc/man/pam_get_item.3.xml: Replace pam_item_types.inc.xml + with pam_item_types_std.inc.xml and pam_item_types_ext.inc.xml. + * doc/man/pam_set_item.3.xml: Likewise. + * doc/man/pam_item_types.inc.xml: Removed file. + * doc/man/pam_item_types_ext.inc.xml: New file. + * doc/man/pam_item_types_std.inc.xml: New file. + +2007-12-06 Tomas Mraz + + * modules/pam_tty_audit/pam_tty_audit.8.xml: Fix example. + +2007-12-05 Miloslav Trmac + + * configure.in: Add test for audit_tty_status struct. Add + pam_tty_audit module. + * libpam/pam_static_modules.h: Add pam_tty_audit module. + * modules/pam_tty_audit/Makefile.am: New file. + * modules/pam_tty_audit/README.xml: Likewise. + * modules/pam_tty_audit/pam_tty_audit.8.xml: Likewise. + * modules/pam_tty_audit/pam_tty_audit.c: Likewise. + +2007-12-05 Tomas Mraz + + * modules/pam_unix/Makefile.am: Add passverify.h and passverify.c + as first part of pam_unix refactorization. + * modules/pam_unix/pam_unix/pam_unix_acct.c: Include passverify.h. + * modules/pam_unix/pam_unix_passwd.c: Likewise. + * modules/pam_unix/passverify.c: New file with common functions. + * modules/pam_unix/passverify.h: Prototypes for the common functions. + * modules/pam_unix/support.c: Include passverify.h, move + _unix_shadowed() to passverify.c. + (_unix_verify_password): Refactor out verify_pwd_hash() function. + * modules/pam_unix/support.h: Move _unix_shadowed() prototype to + passverify.h + * modules/pam_unix/unix_chkpwd.c: Use _unix_shadowed() and + verify_pwd_hash() from passverify.c. + +2007-11-20 Thorsten Kukuk + + * modules/pam_unix/Makefile.am (unix_chkpwd_LDADD): Don't link + unix_chkpwd unnecessary against libpam (#1822779). + + * modules/pam_tally/pam_tally.c (tally_log): Map + pam_modutil_getpwnam to getpwnam if we don't compile + as module. + * modules/pam_tally/Makefile.am: Don't link pam_tally_app + against libpam (#1822779). + +2007-11-06 Thorsten Kukuk + + * xtests/tst-pam_group1.c: Include stdlib.h + * xtests/tst-pam_succeed_if1.c: Likewise. + * xtests/tst-pam_limits1.c: Likewise. + * xtests/tst-pam_access1.c: Likewise. + * xtests/tst-pam_access2.c: Likewise. + * xtests/tst-pam_access3.c: Likewise. + * xtests/tst-pam_access4.c: Likewise. + * xtests/tst-pam_unix1.c: Likewise. + * xtests/tst-pam_unix2.c: Likewise. + * xtests/tst-pam_unix3.c: Likewise. + * xtests/tst-pam_cracklib1.c: Likewise. + * xtests/tst-pam_cracklib2.c: Likewise. + + * libpam/pam_static_modules.h: Fix name of pam_namespace variable. + +2007-11-01 Peter Breitenlohner + + * doc/man/pam_conv.3.xml: Correct typo. + +2007-10-30 Peter Breitenlohner + + * modules/pam_rhosts/pam_rhosts_auth.c (__icheckhost): Correct + misplaced parenthesis. + * modules/pam_unix/pam_unix_acct.c (pam_sm_acct_mgmt): Prevent use of + dngettext() when NLS is disabled. + * modules/pam_exec/pam_exec.c (call_exec): Avoid gcc warning. + * doc/specs/parse_y.y (set_label, new_counter): Break trigraphs to + avoid gcc warning. + * modules/pam_wheel/pam_wheel.c: Remove excessive initializer + elements. + + * modules/pam_cracklib/pam_cracklib.8.xml: Correct typo. + * modules/pam_limits/limits.conf.5.xml: Likewise. + * modules/pam_listfile/pam_listfile.8.xml: Likewise. + * modules/pam_xauth/pam_xauth.8.xml: Likewise. + + * modules/pam_deny/pam_deny.8.xml: Correct spelling. + * modules/pam_group/pam_group.8.xml: Likewise. + * modules/pam_permit/pam_permit.8.xml: Likewise. + * modules/pam_shells/pam_shells.8.xml: Likewise. + * modules/pam_time/pam_time.8.xml: Likewise. + * modules/pam_warn/pam_warn.8.xml: Likewise. + + * tests/tst-dlopen.c: Return 77 in case of static modules, such that + all modules/pam_*/tst-pam_* tests yield SKIP instead of FAIL. + * libpam/Makefile.am (libpam_la_LIBADD): Use "$(shell ls ...)" instead + of "`ls ...`", to allow for static modules. + * libpam/pam_static_modules.h: Make pam_keyinit module depend on + HAVE_KEY_MANAGEMENT; correct name of pam_faildelay pam_module struct. + * modules/pam_faildelay/pam_faildelay.c: Correct name of pam_module + struct. + +2007-10-25 Steve Langasek + + * modules/pam_tally/pam_tally.c: fix the definition of OPT_AUDIT + to be octal instead of decimal, so that it works properly in a + bit field instead of forcing the "even_deny_root_account" and + "no_reset" options to on. + Patch from Corey Wright . + +2007-10-19 Tomas Mraz + + * xtests/tst-pam_access1.c: Use different name for user and group. + * xtests/tst-pam_access1.sh: Likewise. + * xtests/tst-pam_access2.c: Likewise. + * xtests/tst-pam_access2.sh: Likewise. + * xtests/tst-pam_access4.c: Likewise. + * xtests/tst-pam_access4.sh: Likewise. + * xtests/group.conf: Likewise. + * xtests/tst-pam_group1.c: Likewise. + * xtests/tst-pam_group1.sh: Likewise. + + * libpam/pam_dispatch.c (_pam_dispatch_aux): Save states for substacks, + record substack level, skip over virtual substack modules, implement + evaluation of done, die, reset and jumps in substacks. Also fixes + too far jumps in substacks. + * libpam/pam_end.c (pam_end): Drop substack evaluation states. + * libpam/pam_handlers.c (_pam_parse_conf_file): Add substack level + parameter, instead of must_fail use handler_type needed for virtual + substack modules. + (_pam_load_conf_file): Add substack level parameter. + (_pam_init_handlers): Substack level parameter added to + _pam_parse_conf_file() calls. + (_pam_load_module): New function. + (_pam_add_handler): Refactor code into the _pam_load_module(). Add + support for virtual substack modules. + * libpam/pam_private.h: Rename must_fail to handler_type, add stack_level + to struct handler. Define handler type constants. Add struct + for substack evaluation states. Define constant for maximum + substack level. Add substack states pointer to former state struct. + * libpam/pam_start.c (pam_start): Initialize pointer to substack states. + * doc/man/pam.conf-syntax.xml: Document substack control. + * xtests/Makefile.am: Add new tests for substack evaluation. + * xtests/run_xtests.sh: Support multiple .pamd files in a test. + * xtests/tst-pam_authfail.pamd: New tests for substack evaluation. + * xtests/tst-pam_authsucceed.pamd: Likewise. + * xtests/tst-pam_substack1.pamd: Likewise. + * xtests/tst-pam_substack1a.pamd: Likewise. + * xtests/tst-pam_substack1.sh: Likewise. + * xtests/tst-pam_substack2.pamd: Likewise. + * xtests/tst-pam_substack2a.pamd: Likewise. + * xtests/tst-pam_substack2.sh: Likewise. + * xtests/tst-pam_substack3.pamd: Likewise. + * xtests/tst-pam_substack3a.pamd: Likewise. + * xtests/tst-pam_substack3.sh: Likewise. + * xtests/tst-pam_substack4.pamd: Likewise. + * xtests/tst-pam_substack4a.pamd: Likewise. + * xtests/tst-pam_substack4.sh: Likewise. + * xtests/tst-pam_substack5.pamd: Likewise. + * xtests/tst-pam_substack5a.pamd: Likewise. + * xtests/tst-pam_substack5.sh: Likewise. + +2007-10-18 Tomas Mraz + + * xtests/tst-pam_dispatch4.c: Fix comment about the test. + * xtests/tst-pam_dispatch4.pamd: Improve the testcase. + * xtests/tst-pam_cracklib2.c: Make the testcase more robust. + +2007-10-12 Thorsten Kukuk + + * xtests/Makefile.am: Add tst-pam_dispatch5 sources + * xtests/tst-pam_dispatch5.c: New test for jump too far. + * xtests/tst-pam_dispatch5.pamd: New test configuration. + +2007-10-09 Tomas Mraz + + * modules/pam_tally/pam_tally.8.xml: Document audit option + correctly. + +2007-10-09 Thorsten Kukuk + + * release version 0.99.9.0 + + * configure.in: Increase vesion number. + + * libpam/Makefile.am: Increase release number. + * libpam_misc/Makefile.am: Increase release number. + + * po/*.po: Regenerate. + +2007-10-08 Thorsten Kukuk + + * modules/pam_time/pam_time.c (is_same): Length of strings without + wildcard needs to be the same. + * modules/pam_group/pam_group.c (is_same): Likewise. + +2007-10-01 Thorsten Kukuk + + * xtests/tst-pam_group1.c: New test case for user compare in pam_group. + * xtests/tst-pam_group1.sh: Script to run test case. + * xtests/tst-pam_group1.pamd: Config for test case. + * xtests/Makefile.am: Add tst-pam_group1 test case. + * xtests/run-xtests.sh: Save/restore group.conf. + * xtests/group.conf: New. + + * modules/pam_xauth/pam_xauth.c (pam_sm_open_session): Don't + free arguments used for putenv(). + + * doc/man/pam_putenv.3.xml: Document that application has to free + the memory. + +2007-09-27 Tomas Mraz + + * modules/pam_succeed_if/pam_succeed_if.c (evaluate_inlist): Fix in + operator rhbz #295151. + * modules/pam_namespace/pam_namespace.c (poly_name): Do not try to + get context when SELinux is disabled. + +2007-09-27 Thorsten Kukuk + + * xtests/tst-pam_succeed_if1.c: New test case for + https://bugzilla.redhat.com/show_bug.cgi?id=295151 + * xtests/tst-pam_succeed_if1.sh: Script to run test case. + * xtests/tst-pam_succeed_if1.pamd: Config for test case. + * xtests/Makefile.am: Add tst-pam_succeed_if1 test case. + + * xtests/run-xtests.sh: Add support to skip tests. + * xtests/tst-pam_limits1.c: Skip test if RLIMIT_NICE is not + defined. + +2007-09-03 Steve Langasek + + * modules/pam_limits/pam_limits.c: remove a number of unnecessary + string manipulations, including a strncpy() that was acting on + overlapping memory. + + * libpam_misc/misc_conv.c: don't block SIGINT in misc_conv; it's + perfectly valid to allow the user to interrupt at a prompt. If + an application wants prompts to not be interruptable, the + application should take responsibility for blocking SIGINT. + +2007-09-02 Thorsten Kukuk + + * examples/Makefile.am: Fix usage of LIBADD, LDADD and LDFLAGS. + * libpam/Makefile.am: Likewise. + * modules/pam_access/Makefile.am: Likewise. + * modules/pam_cracklib/Makefile.am: Likewise. + * modules/pam_debug/Makefile.am: Likewise. + * modules/pam_deny/Makefile.am: Likewise. + * modules/pam_echo/Makefile.am: Likewise. + * modules/pam_env/Makefile.am: Likewise. + * modules/pam_exec/Makefile.am: Likewise. + * modules/pam_faildelay/Makefile.am: Likewise. + * modules/pam_filter/Makefile.am: Likewise. + * modules/pam_filter/upperLOWER/Makefile.am: Likewise. + * modules/pam_ftp/Makefile.am: Likewise. + * modules/pam_group/Makefile.am: Likewise. + * modules/pam_issue/Makefile.am: Likewise. + * modules/pam_keyinit/Makefile.am: Likewise. + * modules/pam_lastlog/Makefile.am: Likewise. + * modules/pam_limits/Makefile.am: Likewise. + * modules/pam_listfile/Makefile.am: Likewise. + * modules/pam_localuser/Makefile.am: Likewise. + * modules/pam_loginuid/Makefile.am: Likewise. + * modules/pam_mail/Makefile.am: Likewise. + * modules/pam_mkhomedir/Makefile.am: Likewise. + * modules/pam_motd/Makefile.am: Likewise. + * modules/pam_namespace/Makefile.am: Likewise. + * modules/pam_nologin/Makefile.am: Likewise. + * modules/pam_permit/Makefile.am: Likewise. + * modules/pam_rhosts/Makefile.am: Likewise. + * modules/pam_rootok/Makefile.am: Likewise. + * modules/pam_securetty/Makefile.am: Likewise. + * modules/pam_selinux/Makefile.am: Likewise. + * modules/pam_shells/Makefile.am: Likewise. + * modules/pam_stress/Makefile.am: Likewise. + * modules/pam_succeed_if/Makefile.am: Likewise. + * modules/pam_tally/Makefile.am: Likewise. + * modules/pam_time/Makefile.am: Likewise. + * modules/pam_umask/Makefile.am: Likewise. + * modules/pam_unix/Makefile.am: Likewise. + * tests/Makefile.am: Likewise. + +2007-08-31 Steve Langasek + + * modules/pam_group/group.conf: don't use "games" as an example + group, on some distros this is a pre-existing group that it would + be a security hole to give users access to. + +2007-08-30 Thorsten Kukuk + + * modules/pam_limits/limits.conf.5.xml: Document that maxlogins + is ignored for users with UID 0. + +2007-08-30 Steve Langasek + + * modules/pam_unix/support.c, modules/pam_unix/unix_chkpwd.c: + A wrong username doesn't need to be logged at LOG_ALERT; + LOG_WARNING should be sufficient. + Patch from Sam Hartman . + + * modules/pam_cracklib/pam_cracklib.c: + s/CRACKLIB_DICT/CRACKLIB_DICTS/, for consistency with existing + #define in pam_unix + +2007-08-29 Steve Langasek + + * libpam/pam_modutil_getgrgid.c, libpam/pam_modutil_getgrnam.c, + libpam/pam_modutil_getpwnam.c, libpam/pam_modutil_getpwuid.c, + libpam/pam_modutil_getspnam.c: don't use pthread mutexes in libpam + unnecessarily; this avoids linking problems on non-Linux + platforms. + + * modules/pam_listfile/pam_listfile.c, modules/pam_listfile/README, + modules/pam_listfile/pam_listfile.8, + modules/pam_listfile/pam_listfile.8.xml: add a 'quiet' option to + avoid logging errors any time a user is refused service by this + module. + +2007-08-29 Thorsten Kukuk + + * modules/pam_rhosts/pam_rhosts_auth.c: buflen needs to be size_t. + (__icheckhost): Cast to int32_t to fix limited range error. + + * modules/pam_cracklib/pam_cracklib.c: Mark cracklib_dictpath + as const. + +2007-08-29 Steve Langasek + + * modules/pam_rhosts/pam_rhosts_auth.c: getline returns -1 at + EOF, not 0. Check accordingly to fix an infinite loop. Thanks + to Stephan Springl for catching + this. + +2007-08-28 Steve Langasek + + * configure.in: call AC_CHECK_HEADERS instead of AC_CHECK_HEADER + for crack.h, so we get a HAVE_CRACK_H define. + * modules/pam_cracklib/pam_cracklib.c: don't copy around the + cracklib dictpath into a fixed-width buffer, when we can just + point at the existing strings; and allow users to override the + default cracklib path with -DCRACKLIB_DICT, required for + compatibility with cracklib 2.7. + +2007-08-27 Steve Langasek + + * modules/pam_limits/pam_limits.c: when building on non-Linux + systems, give a warning only, not an error; no one seems to + remember why this error was here in the first place, but leave + something in that might still grab the attention of non-Linux + users. + Patch from Michal Suchanek . + * configure.in, modules/pam_rhosts/pam_rhosts_auth.c: check for + the presence of net/if.h before using, required for Hurd + compatibility. + Patch from Igor Khavkine . + * modules/pam_limits/pam_limits.c: conditionalize the use of + RLIMIT_AS, which is not present on the Hurd. + Patch from Igor Khavkine . + * modules/pam_rhosts/pam_rhosts_auth.c: use getline() instead of + a static buffer when available; fixes the build on systems + without MAXHOSTNAMELEN (i.e., the Hurd). + * modules/pam_xauth/pam_xauth.c: make sure PATH_MAX is defined + before using it. + +2007-08-26 Andrew Morgan + + * doc/man/pam.conf-syntax.xml + Minor fixes: '\[' -> '\]'. + +2007-08-25 Steve Langasek + + * doc/man/pam.conf-syntax.xml, doc/man/pam.conf.5: + Document "new" control options conv_again and incomplete, supported + in pam.d's extended syntax. + Patch from Ben Collins . + +2007-08-15 Tomas Mraz + + * modules/pam_access/pam_access.c (list_match): Add explicit + sptr argument for strtok_r, otherwise the code is not portable. + +2007-08-13 Olivier Blin + + * doc/man/pam.3.xml: Fix typo. + * doc/man/pam.3: Likewise. + * doc/man/pam_end.3.xml: Likewise. + * doc/man/pam_end.3: Likewise. + +2007-07-18 Thorsten Kukuk + + * release version 0.99.8.1 + + * libpam/pam_audit.c: Include unistd.h for getuid(). + * libpam/Makefile.am: Bump version number. + +2007-07-12 Thorsten Kukuk + + * libpam/pam_audit.c (_pam_audit_writelog): Don't return + error if application runs as normal user. Fixes regression + introduced with last change. + +2007-07-10 Thorsten Kukuk + + * configure.in: Add --with-db-uniquename option to support + db libraries and functions with unique name extension. + Patch from Diego 'Flameeyes' Pettenò . + + * modules/pam_limits/pam_limits.c: Include locale.h. + +2007-07-06 Thorsten Kukuk + + * release version 0.99.8.0 + + * configure.in: Check for audit_log_acct_message instead of + audit_log_user_message. + * libpam/pam_audit.c: Use audit_log_acct_message. + Based on patch from Mark J Cox . + * libpam/Makefile.am: Bump version number of libpam. + + * modules/pam_umask/pam_umask.c (set_umask): mode_t is 32bit, + not 64bit. + + * xtests/tst-pam_limits1.c: Fix printf arguments. + + * po/*.po: Merge po files with latest code changes. + +2007-06-26 Thorsten Kukuk + + * modules/pam_limits/pam_limits.c (process_limit): Check upper and + lower limit of nice value, fix off-by-one in conversation to rlim_t. + * xtests/Makefile.am: Add new pam_limits test case. + * xtests/limits.conf: New, config file for test case. + * xtests/pam_limits1.c: New, test case for RLIMIT_NICE. + * xtests/pam_limits1.sh: Likewise. + * xtests/pam_limits1.pamd: Likewise. + +2007-06-25 Thorsten Kukuk + + * modules/pam_access/pam_access.c (list_match): Use saveptr of strtok_r + result for recursive calls. + * xtests/Makefile.am: Add new pam_access test cases. + * xtests/pam_access1.c: New test case. + * xtests/pam_access2.c: Likewise. + * xtests/pam_access3.c: Likewise. + * xtests/pam_access4.c: Likewise. + * xtests/pam_access1.sh: Wrapper to create user accounts. + * xtests/pam_access2.sh: Likewise. + * xtests/pam_access3.sh: Likewise. + * xtests/pam_access4.sh: Likewise. + * xtests/pam_access1.pamd: PAM config file for pam_access tests. + * xtests/pam_access2.pamd: Likewise. + * xtests/pam_access3.pamd: Likewise. + * xtests/pam_access4.pamd: Likewise. + * xtests/access.conf: Config file for pam_access tests. + * xtests/run-tests.sh: Install access.conf into system. + +2007-06-22 Thorsten Kukuk + + * modules/pam_loginuid/pam_loginuid.c (set_loginuid): Print + better error message if /proc/self/loginuid cannot be opened. + + * modules/pam_limits/pam_limits.c (process_limit): Check for + variable overflow after multiplication [bnc#283001]. + + * modules/pam_access/pam_access.c: Add new syntax for groups + in access.conf to differentiate group names from account names. + Based on patch from Julien Lecomte , + solves feature request [#411390]. + * modules/pam_access/access.conf: Add example for new group + syntax. + * modules/pam_access/access.conf.5.xml: Document new syntax. + +2007-06-20 Thorsten Kukuk + + * modules/pam_cracklib/pam_cracklib.8.xml: Document new minclass + option. + * modules/pam_cracklib/pam_cracklib.c: Add support for minimum + character classes [#1688777]. Based on patch from Keith Schincke. + + * xtests/tst-pam_cracklib2.c: New, test case for minclass option. + * xtests/tst-pam_cracklib2.pamd: New, PAM config file for test case. + * xtests/Makefile.am: Add new testcase. + + * xtests/pam_cracklib.c: Fix comment what this application tests. + + * configure.in: Use /lib64 on x86-64, ppc64, s390x, sparc64 + +2007-06-15 Tomas Mraz + + * modules/pam_selinux/pam_selinux.8.xml: Remove multiple option, + add select_context and use_current_range options. + * modules/pam_selinux/pam_selinux.c (send_audit_message): Added + function for auditing role/level changes. + (query_response): Add default response. + (select_context): Removed. + (manual_context): Query only role and level. + (mls_range_allowed): Added function for range check. + (config_context): Added function for role and level override. + (pam_sm_open_session): Remove multiple option, add select_context + and use_current_range_options. Use getseuserbyname to obtain + SELinux user and level. Audit role/level changes. Call setkeycreatecon + to assign key creation context. Don't fail on errors when SELinux + is not in enforcing mode. + * configure.in: Check for setkeycreatecon(). + + * modules/pam_namespace/README.xml: Avoid duplication of + documentation. + * modules/pam_namespace/namespace.conf: More real life example + from MLS support. + * modules/pam_namespace/namespace.conf.5.xml: Likewise plus + properly describe how instance directory names are formed. + * modules/pam_namespace/namespace.init: Preserve euid when + called from setuid apps (su, newrole). + * modules/pam_namespace/pam_namespace.8.xml: Added option + no_unmount_on_close. + * modules/pam_namespace/pam_namespace.c (process_line): Polyinst + methods are now user, level and context. Fix crash on unknown + override user in config file. + (ns_override): Add explicit uid parameter. + (form_context): Skip for user method. Implement level based + polyinstantiation. + (poly_name): Initialize contexts. Add level based polyinst, + remove 'both' metod. Use raw contexts for instance names, + truncate long instance names and add hash. + (ns_setup): Hashing moved to poly_name(). + (setup_namespace): Handle correctly override users for + su (when unmnt_remnt is used). + (pam_sm_close_session): Added no_unmount_on_close option. + * modules/pam_namespace/pam_namespace.h: Added + no_unmount_on_close_option, level method, limit on instance + directory name length. + +2007-05-04 Thorsten Kukuk + + * xtests/run-xtests.sh: Use SRCDIR to find PAM config files. + * xtests/Makefile.am: Call run-xtests.sh with srcdir as first + argument. + Based on patch by Bernard Leak . + +2007-04-30 Thorsten Kukuk + + * modules/pam_limits/limits.conf: Address space limit is KB. + * modules/pam_limits/limits.conf.5.xml: Likewise. + Reported by Thomas Vander Stichele . + + * modules/pam_mail/pam_mail.c (_do_mail): Remove duplicate + check for PAM_SILENT and don't bail out if it is set [#1706247]. + +2007-03-29 Tomas Mraz + + * modules/pam_access/pam_access.c (login_access, list_match): + Replace strtok with strtok_r. + * modules/pam_cracklib/pam_cracklib.c (check_old_password): + Likewise. + * modules/pam_ftp/pam_ftp.c (lookup, pam_authenticate): + Likewise. + * modules/pam_unix/pam_unix_passwd.c (check_old_password, + save_old_password): Likewise. + + * modules/pam_limits/Makefile.am: Define limits.d dir and install it. + * modules/pam_limits/pam_limits.8.xml: Describe limits.d parsing. + * modules/pam_limits/pam_limits.c (pam_limit_s): Make conf_file ptr. + (pam_parse): conf_file is now ptr. + (pam_sm_open_session): Add parsing files from limits.d subdir using + glob, change pl to pointer. + +2007-03-12 Thorsten Kukuk + + * po/ar.po: New translation. + * po/ca.po: Likewise. + * po/da.po: Likewise. + * po/ru.po: Likewise. + * po/sv.po: Likewise. + * po/zu.po: Likewise. + * po/LINGUAS: Add ar, ca, da, ru, sv, zu + + * po/hu.po: Update translation. + +2007-02-21 Tomas Mraz + + * modules/pam_unix/unix_chkpwd.c (_unix_verify_password): Test for + allocation failure in bigcrypt(). + + * modules/pam_unix/pam_unix_passwd.c (pam_sm_chauthtok): Allow + modification of '*' password by root. + +2007-02-06 Tomas Mraz + + * modules/pam_loginuid/pam_loginuid.c (set_loginuid): Remove + debug syslog message when loginuid doesn't exist. + +2007-02-01 Tomas Mraz + + * xtests/tst-pam_unix3.c: Fix typos in comments. + + * modules/pam_unix/support.c (_unix_verify_password): Explicitly + disallow '!' in the beginning of password hash. Treat only + 13 bytes password hash specifically. (Suggested by Solar Designer.) + Fix a warning and test for allocation failure. + * modules/pam_unix/unix_chkpwd.c (_unix_verify_password): Likewise. + +2007-01-31 Thorsten Kukuk + + * xtests/Makefile.am: Add new pam_unix.so tests + * xtests/run-xtests.sh: Prefer shell scripts (wrapper) + over binaries. + * xtests/tst-pam_cracklib1.c: Fix typo. + * xtests/tst-pam_unix1.c: New, for sucurity fix. + * xtests/tst-pam_unix1.pamd: New. + * xtests/tst-pam_unix1.sh: New. + * xtests/tst-pam_unix2.c: New, for crypt checks. + * xtests/tst-pam_unix2.pamd: New. + * xtests/tst-pam_unix2.sh: New. + * xtests/tst-pam_unix3.c: New, for bigcrypt checks. + * xtests/tst-pam_unix3.pamd: New. + * xtests/tst-pam_unix3.sh: New. + +2007-01-23 Thorsten Kukuk + + * release 0.99.7.1 + + * configure.in: Set version number to 0.99.7.1 + +2007-01-23 Thorsten Kukuk + Tomas Mraz + + * modules/pam_unix/support.c (_unix_verify_password): Always + compare full encrypted passwords (CVE-2007-0003). + +2007-01-23 Tomas Mraz + + * modules/pam_loginuid/Makefile.am (AM_LDFLAGS): Add LIBAUDIT. + + * modules/pam_selinux/Makefile.am (pam_selinux_check_LDFLAGS): Add + AM_LDFLAGS. + (pam_selinux_la_LDFLAGS): Likewise. + +2007-01-17 Thorsten Kukuk + + * release 0.99.7.0 + + * configure.in: Set version number to 0.99.7.0 + + * Makefile.am (M4_FILES): Replace GNU make extension by listing + all m4 files. + +2007-01-17 Tomas Mraz + + * po/*.po: Updated strings to translate. + * po/Linux-PAM.pot: Likewise. + +2007-01-16 Thorsten Kukuk + + * doc/man/pam.conf-syntax.xml: Improve documentation about + sufficient keyword (Patch by Petteri Räty ) + +2006-12-20 Thorsten Kukuk + + * modules/pam_unix/pam_unix_passwd.c (pam_sm_chauthtok): Forbid + only '+' and '-' as first characters for account names. + * modules/pam_unix/pam_unix_auth.c (pam_sm_authenticate): Likewise. + +2006-12-18 Thorsten Kukuk + + * configure.in: Fix ENOKEY check (specify errno.h as header + file to search in). + + * configure.in: Add AM_PROG_CC_C_O. + * libpam/Makefile.am: Add content of AM_LDFLAGS to *_LDFLAGS. + * modules/pam_tally/Makefile.am: Likewise. + * modules/pam_unix/Makefile.am: Likewise. + + * modules/pam_stress/pam_stress.c (pam_sm_chauthtok): Fix + localisation of message printed to user. + * po/de.po: Adjust translation. + +2006-12-18 Tomas Mraz + + * modules/pam_unix/pam_unix_passwd.c (pam_sm_chauthtok): Localize + message printed to user. + + * modules/pam_unix/support.c (_unix_verify_password): Use strncmp + only for bigcrypt result. + + * modules/pam_keyinit/pam_keyinit.c (kill_keyrings): Switch to new + egid first, euid next. Revert euid/egid to old euid/egid and not + ruid/rgid. + (pam_sm_open_session): Switch to new rgid first, ruid next. + +2006-12-13 Thorsten Kukuk + + * modules/pam_localuser/pam_localuser.c: Add support for session + and chauthtok [SF#1606180]. + * modules/pam_localuser/pam_localuser.8.xml: Document last change. + + * libpam/pam_audit.c (_pam_audit_writelog): Print error message + only once. + +2006-12-12 Thorsten Kukuk + + * libpam/pam_audit.c (_pam_audit_writelog): Print error + message on failure to syslog. + +2006-12-09 Thorsten Kukuk + + * modules/pam_umask/pam_umask.c: Use strtoul instead of strtol, + fix overflow detection. + +2006-12-06 Thorsten Kukuk + + * modules/pam_mkhomedir/pam_mkhomedir.c (rec_mkdir): Fix + handling of left-most path component [SF#1591598]. + (create_homedir): Mark user visible messages for translation. + * po/de.po: Adjust german translation for pam_mkhomedir. + + * modules/pam_faildelay/pam_faildelay.c: If no argument is + given, try to read FAIL_DELAY from /etc/login.defs. + * modules/pam_faildelay/pam_faildelay.8.xml: Document usage + of /etc/login.defs. + +2006-12-04 Tomas Mraz + + * po/jp.po: Fixed mistake in Password: message (from + Peng Huang ). + +2006-11-28 Thorsten Kukuk + + * po/hu.po: Update hungarian translation (from + Kalman Kemenczy ). + + * configure.in: Allow disabling support for cracklib, audit, libdb. + + * modules/pam_faildelay/pam_faildelay.8.xml: Correct name of Author. + + * configure.in: Remove --enable-docdir (obsolete by --docdir). + * doc/Makefile.am: Don't overwrite htmldir. + * doc/adg/Makefile.am: Use docdir, htmldir and pdfdir. + * doc/mwg/Makefile.am: Likewise. + * doc/sag/Makefile.am: Likewise. + * doc/specs/Makefile.am: Use docdir. + + * tests/tst-pam_set_data.c: New test cases for pam_set_data(). + * tests/Makefile.am: Add pam_set_data test case. + + * libpam/pam_data.c: Add NULL pointer check for module_data_name. + * libpam/Makefile.am: Bump revision of shared library. + +2006-11-08 Thorsten Kukuk + + * configure.in: Add modules/pam_faildelay/Makefile. + * doc/sag/Linux-PAM_SAG.xml: Include pam_faildelay.xml. + * doc/sag/pam_faildelay.xml: New. + * libpam/pam_static_modules.h: Include static pam_faildelay data. + * modules/Makefile.am: Add pam_faildelay directory. + * modules/pam_faildelay/Makefile.am: New. + * modules/pam_faildelay/README: New, generated from XML file. + * modules/pam_faildelay/README.xml: New. + * modules/pam_faildelay/pam_faildelay.8: New, generated from xml. + * modules/pam_faildelay/pam_faildelay.8.xml: New. + * modules/pam_faildelay/pam_faildelay.c: New. + * modules/pam_faildelay/tst-pam_faildelay: New. + + * po/POTFILES.in: Add pam_faildelay.c and pam_loginuid.c. + +2006-11-07 Thorsten Kukuk + + * modules/pam_cracklib/pam_cracklib.c: PAM_DEBUG_ARG + is a bit mask and not a boolean value (Reported by + Jochen Voss ). + +2006-10-26 Thorsten Kukuk + + * doc/man/pam.3.xml: Add pam_get_user function. + + * modules/pam_motd/pam_motd.8.xml: Fix typo. + +2006-10-24 Thorsten Kukuk + + * modules/pam_namespace/pam_namespace.c: Reserve space for + trailing zero. + +2006-10-24 Thorsten Kukuk + + * modules/pam_unix/support.c (_unix_verify_password): Try system + crypt() if we don't know the hash alogorithm. + * modules/pam_unix/unix_chkpwd.c (_unix_verify_password): Likewise. + +2006-10-13 Tomas Mraz + + * doc/mwg/Linux-PAM_MWG.xml: Add id[s] to section[s]. + * doc/sag/pam_access.xml: Likewise. + * doc/sag/pam_echo.xml: Likewise. + * doc/sag/pam_env.xml: Likewise. + * doc/sag/pam_exec.xml: Likewise. + * doc/sag/pam_group.xml: Likewise. + * doc/sag/pam_limits.xml: Likewise. + * doc/sag/pam_namespace.xml: Likewise. + * doc/sag/pam_time.xml: Likewise. + * doc/sag/Linux-PAM_SAG.xml: Add id to book. + * doc/adg/Linux-PAM_ADG.xml: Add id to book. + * doc/mwg/Linux-PAM_MWG.xml: Add id to book. + + +2006-10-07 Thorsten Kukuk + + * po/hu.po: Updated hungarian translation (from + Kalman Kemenczy ) + +2006-09-20 Thorsten Kukuk + + * doc/adg/Makefile.am: Add manual pages as dependency. + * doc/mwg/Makefile.am: Likewise. + * doc/sag/Makefile.am: Likewise. + * doc/sag/Linux-PAM_SAG.xml: Include pam_unix.xml. + * doc/sag/pam_unix.xml: New. + * modules/pam_unix/Makefile.am: Generate pam_unix.8 manual page. + * modules/pam_unix/README.xml: New. + * modules/pam_unix/pam_unix.8.xml: New. + * modules/pam_unix/README: Regenerate from XML. + * modules/pam_unix/pam_unix.8: Generated from XML. + +2006-09-09 Dmitry V. Levin + + * modules/pam_wheel/pam_wheel.8.xml: Fix typo. + * modules/pam_wheel/pam_wheel.8: Likewise. + * modules/pam_wheel/README: Likewise. + +2006-09-08 Thorsten Kukuk + + * po/de.po: Fix typo. + +2006-09-06 Thorsten Kukuk + + * release version 0.99.6.3 + +2006-09-01 Thorsten Kukuk + + * modules/pam_loginuid/pam_loginuid.8.xml: Fix typo in + config name. + +2006-08-31 Thorsten Kukuk + + * modules/pam_env/environment: New, dummy environment example + config file. + + * modules/pam_namespace/Makefile.am: Don't install + manual page if we don't build module. + + * m4/ld-as-needed.m4: Don't set LDFLAGS if check failed. + * m4/ld-O1: Likewise. + +2006-08-30 Tomas Mraz + + * modules/pam_access/pam_access.8.xml: All services supported. + * modules/pam_access/pam_access.c (pam_sm_open_session): New. + (pam_sm_close_session): New. + (pam_sm_chauthtok): New. + + * modules/pam_access/pam_succeed_if.8.xml: All services supported. + * modules/pam_access/pam_succeed_if.c (pam_sm_setcred): Return + PAM_IGNORE rather than success. + (pam_sm_open_session): New. + (pam_sm_close_session): New. + (pam_sm_chauthtok): New. + +2006-08-30 Thorsten Kukuk + + * xtests/Makefile.am: Move shell code to execute tests from here ... + * xtests/run-xtests.sh: ... to here. + * xtests/*.c: Include config.h. + * tests/*.c: Likewise. + + * modules/pam_namespace/pam_namespace.c: Use pam_modutil_getpwnam() + instead of getpwnam(). + +2006-08-29 Thorsten Kukuk + + * doc/sag/pam_loginuid.xml: New. + * doc/sag/Linux-PAM_SAG.xml: Include pam_loginuid.xml. + + * configure.in: Add modules/pam_loginuid/Makefile. + * modules/Makefile.am: Add pam_loginuid sub directory. + + * libpam/pam_static_modules.h: Add pam_loginuid. + + * modules/pam_loginuid/Makefile.am: New. + * modules/pam_loginuid/tst-pam_loginuid: New. + * modules/pam_loginuid/pam_loginuid.8.xml: New. + * modules/pam_loginuid/pam_loginuid.8: New, generated from XML source. + * modules/pam_loginuid/pam_loginuid.c: New. + * modules/pam_loginuid/README.xml: New. + * modules/pam_loginuid/README: New, generated from XML source. + +2006-08-29 Dmitry V. Levin + + * modules/pam_exec/pam_exec.c (call_exec): Add required third + argument to open() call with O_CREAT flag set. + +2006-08-28 Thorsten Kukuk + + * modules/pam_cracklib/pam_cracklib.c (pam_sm_chauthtok): Remove + duplicate code. + +2006-08-24 Thorsten Kukuk + + * release version 0.99.6.2 + + * modules/pam_lastlog/pam_lastlog.c (last_login_date): Create + lastlog file if it does not exist. + + * modules/pam_cracklib/pam_cracklib.c (pam_sm_chauthtok): Check + for error from getting second token. + * xtests/Makefile.am: Add tst-pam_cracklib1 + * xtests/tst-pam_cracklib1.c: New, check for pam_cracklib seg.fault. + * xtests/tst-pam_cracklib1.pamd: New, config for cracklib test. + +2006-08-24 Thorsten Kukuk + + * xtests/tst-pam_dispatch4.c: New test. + * xtests/tst-pam_dispatch4.pamd: PAM config for new test. + +2006-08-09 Thorsten Kukuk + + * release version 0.99.6.1 + +2006-08-09 David Howells + + * modules/pam_keyinit/pam_keyinit.c (kill_keyrings): Set real uid + to user's before revoking. + (pam_sm_open_session): Remember the uid. + +2006-08-06 Thorsten Kukuk + + * modules/pam_umask/pam_umask.c (setup_limits_from_gecos): + Add error handling. + * modules/pam_umask/pam_umask.8.xml: Document silent option. + + * xtests/Makefile.am: Fix includes for bootstrapping. + Reported by Greg Schafer . + +2006-08-05 Thorsten Kukuk + + * release version 0.99.6.0 + + * modules/pam_limits/pam_limits.c (pam_sm_open_session): Use + pam_modutil_getpwnam instead of getpwnam. + + * modules/pam_succeed_if/pam_succeed_if.c (evaluate): Cast + svc variable to char pointer for snprintf. + + * configure.in: Generate xtests/Makefile. + * Makefile.am (SUBDIRS): Add xtests. + * README: Document make check and make xtests. + * xtests/Makefile.am: New. + * xtests/tst-pam_dispatch1.pamd: New. + * xtests/tst-pam_dispatch2.pamd: New. + * xtests/tst-pam_dispatch3.pamd: New. + * xtests/tst-pam_dispatch1.c: New. + * xtests/tst-pam_dispatch2.c: New. + * xtests/tst-pam_dispatch3.c: New. + +2006-08-04 Ray Strode + + * modules/pam_succeed_if/pam_succeed_if.c (pam_sm_authenticate): + Return PAM_USER_UNKNOWN instead of PAM_SERVICE_ERR where appropriate. + +2006-08-03 David Howells + + * modules/pam_keyinit/pam_keyinit.c: Debug should be off by default. + (init_keyrings): Properly handle multiple invocations of the module. + (kill_keyrings, pam_sm_open_session, pam_sm_close_session): Likewise. + +2006-08-03 Tomas Mraz + + * modules/pam_succeed_if/pam_succeed_if.c (evaluate_inlist): + New function for list matching. + (evaluate_notinlist): Likewise. + (evaluate): Add service value match, list matching. + * modules/pam_succeed_if/pam_succeed_if.8.xml: Document the + features. + + * modules/pam_selinux/pam_selinux.c (security_label_tty): Don't log + relabelling error when the tty device doesn't exist (ENOENT). + +2006-08-01 Thorsten Kukuk + + * doc/man/pam_fail_delay.3.xml: Fix some Bugs and enhance + rationale about when this function should be used and when not. + + * doc/index.html: Cleanup to look prettier. + +2006-08-01 Thorsten Kukuk + + * libpam/Makefile.am: Bump patchlevel of libpam. + * libpam/pam_dispatch.c (_pam_dispatch_aux): If [return=die] + or [return=bad] is used, don't return PAM_IGNORE. Based on + patch by Tomas Mraz , [BRC#196859]. + +2006-07-28 Thorsten Kukuk + + * ABOUT-NLS: Upgrade to gettext-0.15. + * config.rpath: Likewise. + * m4/gettext.m4: Upgrade to gettext-0.15. + * m4/inttypes-h.m4: New file, from gettext-0.15. + * m4/inttypes-pri.m4: Upgrade to gettext-0.15. + * m4/lib-link.m4: Upgrade to gettext-0.15. + * m4/lib-prefix.m4: Upgrade to gettext-0.15. + * m4/lock.m4: New file, from gettext-0.15. + * m4/longdouble.m4: Upgrade to gettext-0.15. + * m4/nls.m4: Upgrade to gettext-0.15. + * m4/po.m4: Upgrade to gettext-0.15. + * m4/size_max.m4: Upgrade to gettext-0.15. + * m4/visibility.m4: New file, from gettext-0.15. + * po/Makefile.in.in: Upgrade to gettext-0.15. + +2006-07-24 David Quigley + + * modules/pam_namespace/Makefile.am: Add pam_namespace.h. + * modules/pam_namespace/pam_namespace.c: Move includes and + data structure definitions from here ... + * modules/pam_namespace/pam_namespace.h: ... here. New file. + + * modules/pam_namespace/pam_namespace.c: Move large sections + of code into new functions. + +2006-07-24 Thorsten Kukuk + + * doc/adg/Makefile.am: Add uninstall and distclean rules. + * doc/mwg/Makefile.am: Likewise. + * doc/sag/Makefile.am: Likewise. + +2006-07-08 Daniel Richard G. + + * conf/pam_conv1/Makefile.am: Fix rules for lex and yacc files. + * conf/pam_conv1/pam_conv.lex: Rename to ... + * conf/pam_conv1/pam_conv_l.l: ... this. + * conf/pam_conv1/pam_conv.y: Rename to ... + * conf/pam_conv1/pam_conv_y.y: ... this. + * configure.in: Add AC_HELP_STRING()s to various AC_ARG_ENABLE() + calls. + * doc/Makefile.am: Fix rule to install index.html. + * doc/adg/Makefile.am: Fix test usage. + * doc/mwg/Makefile.am: Likewise. + * doc/sag/Makefile.am: Likewise. + * doc/specs/Makefile.am: Fix rules for lex and yacc files. + * specs/parse.lex: Rename to ... + * doc/specs/parse_l.l: ... this. + * doc/specs/parse.y: Rename to ... + * doc/specs/parse_y.y: ... this. + * libpam/pam_account.c: Fix #if vs. #ifdef. + * libpam/pam_audit.c: Likewise. + * libpam/pam_auth.c: Likewise. + * libpam/pam_password.c: Likewise. + * libpam/pam_private.h: Likewise. + * libpam/pam_session.c: Likewise. + * libpam/pam_start.c: Likewise. + * libpam/pam_static.c: Fix "empty sourcefile" warning. + * modules/pam_limits/pam_limits.c: Check for __linux, too. + * modules/pam_userdb/Makefile.am: Don't run test if no + libdb available. + * tests/tst-dlopen.c: Include config.h. + +2006-07-03 Dan Yefimov + + * configure.in: Fixed have_key_syscalls test. + + * modules/pam_access/pam_access.c (from_match): Fixed IPv4 network + match, removed AI_ADDRCONFIG flag. + +2006-06-30 Tomas Mraz + + * modules/pam_namespace/Makefile.am(EXTRA_DIST): Add namespace.init. + +2006-06-29 Thorsten Kukuk + + * doc/Makefile.am (releasedocs): Fix directory layout. + * doc/adg/Makefile.am: Likewise. + * doc/mwg/Makefile.am: Likewise. + * doc/sag/Makefile.am: Likewise. + +2006-06-28 Thorsten Kukuk + + * doc/sag: System Administrator Guide as XML source. + * doc/sag/Makefile.am: New. + * doc/sag/Linux-PAM_SAG.xml: New, main XML document. + * doc/sag/pam_*.xml: New, wrapper to include module documentation. + + * doc/adg: Application Developers Guide as XML source. + * doc/adg/Makefile.am: New. + * doc/adg/Linux-PAM_ADG.xml: New, main XML document. + * doc/adg/pam_*.xml: New, wrappers to include manual pages. + + * doc/mwg: Application Developers Guide as XML source. + * doc/mwg/Makefile.am: New. + * doc/mwg/Linux-PAM_MWG.xml: New, main XML document. + * doc/mwg/pam_*.xml: New, wrappers to include manual pages. + + * doc/CREDITS: Removed. + * doc/NOTES: Removed. + * doc/pam_appl.sgml: Removed. + * doc/pam_modules.sgml: Removed. + * doc/pam_source.sgml: Removed. + * doc/figs/pam_orient.txt: Removed. + * doc/figs: Removed. + + * configure.in: Remove checks for sgml2* progrs, add sag, adg + and mwg Makefiles. + + * doc/Makefile.am: Remove references to sgml, add sag, adg and mwg + directories. + * doc/modules: Remove directory. + * doc/html: Remove directory. + * doc/ps: Remove directory. + * doc/pdf: Remove directory. + * doc/txts: Remove directory. + * doc/index.html: Moved from html directory to here. + +2006-06-28 Thorsten Kukuk + + * release version 0.99.5.0 + + * bump version number to 0.99.5.0 + + * modules/pam_rhosts/pam_rhosts.c: New module, replaces + pam_rhosts_auth.so. + * modules/pam_rhosts/pam_rhosts.8.xml: New. + * modules/pam_rhosts/pam_rhosts.8: New, generated from XML source. + * modules/pam_rhosts/tst-pam_rhosts: New. + * modules/pam_rhosts/Makefile.am: Add pam_rhosts, generate + manual page and README. + * modules/pam_rhosts/README.xml: New. + * modules/pam_rhosts/reADME: Regenerated from XML source. + + * doc/man/pam_sm_acct_mgmt.3.xml: Adjust syntax for module + writers guide. + * doc/man/pam_sm_authenticate.3.xml: Likewise. + * doc/man/pam_sm_chauthtok.3.xml: Likewise. + * doc/man/pam_sm_close_session.3.xml: Likewise. + * doc/man/pam_sm_open_session.3.xml: Likewise. + * doc/man/pam_sm_setcred.3.xml: Likewise. + + * po/POTFILES.in: Add new source files. + + * libpam/pam_static_modules.h: Add new modules. + + * modules/pam_keyinit.c: Add _pam_keyinit_modstruct. + + * modules/pam_keyinit/Makefile.am (EXTRA_DIST): Add XML + files and manual page. + +2006-06-27 Thorsten Kukuk + + * configure.in: Allow disabling of SELinux support, check for + rootok_af. + +2006-06-27 Tomas Mraz + + * modules/pam_namespace/pam_namespace.c: New module + originally written by Janak Desai. + * modules/pam_namespace/Makefile.am: New. + * modules/pam_namespace/README: New. + * modules/pam_namespace/md5.c: New. + * modules/pam_namespace/md5.h: New. + * modules/pam_namespace/namespace.conf: New. + * modules/pam_namespace/namespace.conf.5: New. + * modules/pam_namespace/namespace.conf.5.xml: New. + * modules/pam_namespace/namespace.init: New. + * modules/pam_namespace/pam_namespace.8: New. + * modules/pam_namespace/pam_namespace.8.xml: New. + * modules/pam_namespace/tst-pam_namespace: New. + * modules/Makefile.am: Added pam_namespace. + * configure.in: Added pam_namespace, test for unshare + library call. + +2006-06-27 David Howells + + * modules/pam_keyinit/pam_keyinit.c: New module. + * modules/pam_keyinit/pam_keyinit.8: New. + * modules/pam_keyinit/pam_keyinit.8.xml: New. + * modules/pam_keyinit/README: New. + * modules/pam_keyinit/README.xml: New. + * modules/pam_keyinit/Makefile.am: New. + * modules/pam_keyinit/tst-pam_keyinit: New. + * modules/Makefile.am: Added pam_keyinit. + * configure.in: Added test for the key mgmt syscall. + +2006-06-27 Thorsten Kukuk + + * m4/libprelude.m4: Sync with upstream. + +2006-06-27 Tomas Mraz + + * modules/pam_unix/pam_unix_acct.c (_unix_run_verify_binary): + signal() fails with SIG_ERR return + * modules/pam_unix/pam_unix_passwd.c(_unix_run_shadow_binary): + Likewise. + * modules/pam_unix/support.c(_unix_run_helper_binary): + Likewise. + +2006-06-25 Thorsten Kukuk + + * doc/man/misc_conv.3.xml: New. + * doc/man/misc_conv.3: New. + * doc/man/pam_misc_paste_env.3.xml: New. + * doc/man/pam_misc_paste_env.3: New. + * doc/man/pam_misc_drop_env.3.xml: New. + * doc/man/pam_misc_drop_env.3: New. + * doc/man/pam_misc_setenv.3.xml: New. + * doc/man/pam_misc_setenv.3: New. + * doc/man/Makefile.am: Add new manual pages. + + * doc/man/pam_acct_mgmt.3.xml: Fix syntax for inclusion + in Applicatoin Developer Guide. + * doc/man/pam_authenticate.3.xml: Likewise + * doc/man/pam_chauthtok.3.xml: Likewise + * doc/man/pam_close_session.3.xml: Likewise + * doc/man/pam_conv.3.xml: Likewise + * doc/man/pam_end.3.xml: Likewise + * doc/man/pam_fail_delay.3.xml: Likewise + * doc/man/pam_getenv.3.xml: Likewise + * doc/man/pam_getenvlist.3.xml: Likewise + * doc/man/pam_open_session.3.xml: Likewise + * doc/man/pam_putenv.3.xml: Likewise + * doc/man/pam_setcred.3.xml: Likewise + * doc/man/pam_start.3.xml: Likewise + * doc/man/pam_strerror.3.xml: Likewise + + * doc/man/pam_acct_mgmt.3: Regenerate from XML source. + * doc/man/pam_authenticate.3: Likewise + * doc/man/pam_chauthtok.3: Likewise + * doc/man/pam_close_session.3: Likewise + * doc/man/pam_conv.3: Likewise + * doc/man/pam_end.3: Likewise + * doc/man/pam_fail_delay.3: Likewise + * doc/man/pam_getenv.3: Likewise + * doc/man/pam_getenvlist.3: Likewise + * doc/man/pam_open_session.3: Likewise + * doc/man/pam_putenv.3: Likewise + * doc/man/pam_setcred.3: Likewise + * doc/man/pam_sm_close_session.3: Likewise + * doc/man/pam_start.3: Likewise + * doc/man/pam_strerror.3: Likewise + * doc/man/pam_syslog.3: Likewise + * doc/man/PAM.8: Likewise + +2006-06-24 Thorsten Kukuk + + * modules/pam_limits/pam_limits.c (setup_limits): Don't + reset priority for root. + +2006-06-23 Thorsten Kukuk + + * modules/pam_access/access.conf.5.xml: Fix syntax for SAG. + * modules/pam_access/pam_access.8.xml: Likewise. + * modules/pam_deny/pam_deny.8.xml: Likewise. + * modules/pam_echo/pam_echo.8.xml: Likewise. + * modules/pam_env/pam_env.8.xml: Likewise. + * modules/pam_env/pam_env.conf.5.xml: Likewise. + * modules/pam_group/group.conf.5.xml: Likewise. + * modules/pam_group/pam_group.8.xml: Likewise. + * modules/pam_limits/limits.conf.5.xml: Likewise. + * modules/pam_listfile/pam_listfile.8.xml: Likewise. + * modules/pam_succeed_if/pam_succeed_if.8.xml: Likewise. + * modules/pam_time/pam_time.8.xml: Likewise. + * modules/pam_time/time.conf.5.xml: Likewise. + + * modules/pam_access/access.conf.5: Regenerate. + * modules/pam_access/pam_access.8: Likewise. + * modules/pam_deny/pam_deny.8: Likewise. + * modules/pam_echo/README: Likewise. + * modules/pam_echo/pam_echo.8: Likewise. + * modules/pam_env/pam_env.8: Likewise. + * modules/pam_env/pam_env.conf.5: Likewise. + * modules/pam_group/README: Likewise. + * modules/pam_group/group.conf.5: Likewise. + * modules/pam_group/pam_group.8: Likewise. + * modules/pam_limits/limits.conf.5: Likewise. + * modules/pam_listfile/README: Likewise. + * modules/pam_listfile/pam_listfile.8: Likewise. + * modules/pam_succeed_if/pam_succeed_if.8: Likewise. + * modules/pam_time/pam_time.8: Likewise. + * modules/pam_time/time.conf.5: Likewise. + + * doc/man/Makefile.am: Add pam.conf-desc.xml, pam.conf-dir.xml + and pam.conf-syntax.xml. + * doc/man/pam.conf.5.xml: Split into different pieces for SAG. + * doc/man/pam.conf.5: Regenerated. + * doc/man/pam.conf-desc.xml: New. + * doc/man/pam.conf-dir.xml: New. + * doc/man/pam.conf-syntax.xml: New. + +2006-06-21 Thorsten Kukuk + + * modules/pam_selinux/Makefile.am: Fix "make dist" if libselinux + is not installed. + + * modules/pam_issue/pam_issue.8.xml: Fix listing of escapes. + * modules/pam_issue/pam_issue.8: Regenerate. + +2006-06-20 Thorsten Kukuk + + * configure.in: Remove unused check for libcap. + + * m4/ld-as-needed.m4: New. + * m4/ld-O1.m4: New. + * configure.in: Call PAM_LD_AS_NEEDED and PAM_LD_O1, + require docbook version 4.4. + +2006-06-19 Thorsten Kukuk + + * doc/man/pam.8.xml: Syntax cleanup. + * doc/pam/PAM.8: Regenerated from xml source. + * man/pam_sm_chauthtok.3: New. + * man/pam_sm_chauthtok.3.xml: New. + * man/pam_sm_close_session.3: New. + * man/pam_sm_close_session.3.xml: New. + * man/pam_sm_open_session.3: New. + * man/pam_sm_open_session.3.xml: New. + * man/pam_sm_authenticate.3: New. + * man/pam_sm_authenticate.3.xml: New. + * man/pam_sm_setcred.3: New. + * man/pam_sm_setcred.3.xml: New. + * man/Makefile.am: Add new pam_sm_* manual pages. + + * specs/Makefile.am: Fix rule to generate draft. + +2006-06-18 Thorsten Kukuk + + * modules/pam_tally/Makefile.am: Include Make.xml.rules. + * modules/pam_tally/pam_tally.8.xml: New. + * modules/pam_tally/pam_tally.8: New, generated from xml file. + * modules/pam_tally/README.xml: New. + * modules/pam_tally/README: Regenerated from xml file. + + * modules/pam_selinux/Makefile.am: Include Make.xml.rules. + * modules/pam_selinux/pam_selinux.8.xml: New. + * modules/pam_selinux/pam_selinux.8: Regenerated from xml file. + * modules/pam_selinux/README.xml: New. + * modules/pam_selinux/README: Regenerated from xml file. + +2006-06-17 Thorsten Kukuk + + * modules/pam_debug/Makefile.am: Include Make.xml.rules. + * modules/pam_debug/pam_debug.8.xml: New. + * modules/pam_debug/pam_debug.8: New, generated from xml file. + * modules/pam_debug/README.xml: New. + * modules/pam_debug/README: Regenerated from xml file. + + * examples/vpass.c: UID is unsigned on Linux. + * modules/pam_exec/pam_exec.c: Likewise. + * modules/pam_unix/pam_unix_acct.c: Likewise. + * modules/pam_unix/pam_unix_sess.c: Likewise. + + * modules/pam_succeed_if/pam_succeed_if.8.xml: Fix syntax error. + * modules/pam_succeed_if/pam_succeed_if.8: Regenerated. + * modules/pam_succeed_if/README: Regenerated. + + * modules/pam_limits/Makefile.am: Include Make.xml.rules. + * modules/pam_limits/limits.conf.5: New, generated from xml file. + * modules/pam_limits/limits.conf.5.xml: New. + * modules/pam_limits/pam_limits.8: New, generated from xml file. + * modules/pam_limits/pam_limits.8.xml: New. + * modules/pam_limits/README.xml: New. + * modules/pam_limits/README: Regenerated from README.xml. + +2006-06-16 Thorsten Kukuk + + * modules/pam_unix/pam_unix_passwd.c (save_old_password): UIDs + are unsigned on Linux, don't truncate them. + (_do_setpass): err is of type clnt_stat, not int. + + * modules/pam_lastlog/pam_lastlog.c (last_login_read): Don't + truncate UID for syslog output. + + * modules/pam_time/pam_time.c: Replace type boolean with int. + * modules/pam_group/pam_group.c: Likewise. + +2006-06-15 Thorsten Kukuk + + * modules/pam_unix/bigcrypt.h: New. + * modules/pam_unix/Makefile.am: Add bigcrypt.h. + * modules/pam_unix/bigcrypt.c: Include bigcrypt.h. + * modules/pam_unix/support.c: Include bigcrypt.h, remove + own prototype. + * modules/pam_unix/bigcrypt_main.c: Include bigcrypt.h, remove + own prototype. + * modules/pam_unix/pam_unix_passwd.c: Include bigcrypt.h, remove + own prototype. + + * modules/pam_time/pam_time.c (logic_member): Remove unused + variable len. + + * modules/pam_group/pam_group.c (logic_field): Accept + colon in tty name. [#1428276]. + (logic_member): Remove unused variable len. + (check_account): Fix usage of err variable in debug code. + + * modules/pam_time/pam_time.c (logic_field): Likewise. + + * configure.in: Add special exceptions for icc: different + compiler warnings, no PIE support. + +2006-06-14 Thorsten Kukuk + + * libpam/pam_misc.c (_pam_strdup): Use strlen and strcpy. + + * configure.in: Remove --enable-memory-debug, add option + to disable prelude if installed. + + * modules/pam_tally/pam_tally.c: Remove MEMORY_DEBUG + * modules/pam_filter/upperLOWER/upperLOWER.c: Likewise. + * modules/pam_unix/unix_chkpwd.c: Likewise. + * libpam/include/security/_pam_types.h: Likewise. + * libpam/libpam.map: Remove LIBPAM_MALLOC_DEBUG export. + * libpam/pam_malloc.c: Remove file. + * libpam/Makefile.am: Remove pam_malloc.c and pam_malloc.h. + + * libpam/pam_handlers.c (extract_modulename): Use _pam_strdup + instead of strdup. + + * libpam/pam_private.h: Remove _pam_strCMP. + * libpam/pam_misc.c: Likewise. + * libpam/pam_handlers.c: Replaced _pam_strCMP with strcasecmp. + +2006-06-12 Thorsten Kukuk + + * modules/pam_tally/Makefile.am (AM_LDFLAGS): Remove flags + for modules from main application. + +2006-06-09 Thorsten Kukuk + + * modules/pam_time/Makefile.am: Include Make.xml.rules. + * modules/pam_time/time.conf.5: New, generated from xml file. + * modules/pam_time/time.conf.5.xml: New. + * modules/pam_time/pam_time.8: New, generated from xml file. + * modules/pam_time/pam_time.8.xml: New. + * modules/pam_time/README.xml: New. + * modules/pam_time/README: Regenerated from README.xml. + + * modules/pam_wheel/Makefile.am: Include Make.xml.rules. + * modules/pam_wheel/pam_wheel.8.xml: New. + * modules/pam_wheel/pam_wheel.8: New, generated from xml file. + * modules/pam_wheel/README.xml: New. + * modules/pam_wheel/README: Regenerated from xml file. + + * modules/pam_xauth/Makefile.am: Include Make.xml.rules. + * modules/pam_xauth/pam_xauth.8.xml: New. + * modules/pam_xauth/pam_xauth.8: Regenerated from xml file. + * modules/pam_xauth/README.xml: New. + * modules/pam_xauth/README: Regenerated from xml file. + + * modules/pam_deny/pam_deny.8.xml: Fix syntax errors. + * modules/pam_deny/pam_deny.8: Regenerate from xml file. + * modules/pam_deny/README: Likewise. + + * modules/pam_warn/Makefile.am: Include Make.xml.rules. + * modules/pam_warn/pam_warn.8.xml: New. + * modules/pam_warn/pam_warn.8: New, generated from xml file. + * modules/pam_warn/README.xml: New. + * modules/pam_warn/README: Regenerated from xml file. + + * modules/pam_userdb/Makefile.am: Include Make.xml.rules. + * modules/pam_userdb/pam_userdb.8.xml: New. + * modules/pam_userdb/pam_userdb.8: New, generated from xml file. + * modules/pam_userdb/README.xml: New. + * modules/pam_userdb/README: Regenerated from xml file. + +2006-06-06 Thorsten Kukuk + + * modules/pam_shells/Makefile.am: Include Make.xml.rules. + * modules/pam_shells/pam_shells.8.xml: New. + * modules/pam_shells/pam_shells.8: New, generated from xml file. + * modules/pam_shells/README.xml: New. + * modules/pam_shells/README: Regenerated from xml file. + + * libpam/include/security/pam_malloc.h: Add missing license + informations. + + * libpam/include/security/pam_ext.h: Add brackets for C++. + * libpam/include/security/pam_modutil.h: Likewise. + + * libpam/include/security/pam_modules.h: Document where to + find the copyright/license informations. + + * libpam/include/security/pam_appl.h: Move _pam_compat.h + include inside of brackets. + +2006-06-04 Thorsten Kukuk + + * modules/pam_securetty/Makefile.am: Include Make.xml.rules. + * modules/pam_securetty/pam_securetty.8.xml: New. + * modules/pam_securetty/pam_securetty.8: Regenerated from xml file. + * modules/pam_securetty/README.xml: New. + * modules/pam_securetty/README: Regenerated from xml file. + + * modules/pam_rootok/Makefile.am: Include Make.xml.rules. + * modules/pam_rootok/pam_rootok.8.xml: New. + * modules/pam_rootok/pam_rootok.8: New, generated from xml file. + * modules/pam_rootok/README.xml: New. + * modules/pam_rootok/README: Regenerated from xml file. + + * modules/pam_permit/Makefile.am: Include Make.xml.rules. + * modules/pam_permit/pam_permit.8.xml: New. + * modules/pam_permit/pam_permit.8: New, generated from xml file. + * modules/pam_permit/README.xml: New. + * modules/pam_permit/README: Regenerated from xml file. + + * modules/pam_nologin/Makefile.am: Include Make.xml.rules. + * modules/pam_nologin/pam_nologin.8.xml: New. + * modules/pam_nologin/pam_nologin.8: Regenerated from xml file. + * modules/pam_nologin/README.xml: New. + * modules/pam_nologin/README: Regenerated from xml file. + +2006-06-03 Thorsten Kukuk + + * modules/pam_motd/Makefile.am: Include Make.xml.rules. + * modules/pam_motd/pam_motd.8.xml: New. + * modules/pam_motd/pam_motd.8: New, generated from xml file. + * modules/pam_motd/README.xml: New. + * modules/pam_motd/README: New, generated from xml file. + +2006-06-02 Thorsten Kukuk + + * modules/pam_mail/Makefile.am: Include Make.xml.rules. + * modules/pam_mail/pam_mail.8.xml: New. + * modules/pam_mail/pam_mail.8: New, generated from xml file. + * modules/pam_mail/README.xml: New. + * modules/pam_mail/README: Regenerated from xml file. + + * modules/pam_localuser/Makefile.am: Include Make.xml.rules. + * modules/pam_localuser/pam_localuser.8.xml: New. + * modules/pam_localuser/pam_localuser.8: New, generated from xml file. + * modules/pam_localuser/README.xml: New. + * modules/pam_localuser/README: Regenerated from xml file. + + * doc/man/PAM.8: Regenerate with DocBook XSL Stylesheets v1.70.1. + * doc/man/pam.3: Likewise. + * doc/man/pam.conf.5: Likewise. + * doc/man/pam_acct_mgmt.3: Likewise. + * doc/man/pam_authenticate.3: Likewise. + * doc/man/pam_chauthtok.3: Likewise. + * doc/man/pam_close_session.3: Likewise. + * doc/man/pam_conv.3: Likewise. + * doc/man/pam_end.3: Likewise. + * doc/man/pam_error.3: Likewise. + * doc/man/pam_fail_delay.3: Likewise. + * doc/man/pam_get_data.3: Likewise. + * doc/man/pam_get_item.3: Likewise. + * doc/man/pam_get_user.3: Likewise. + * doc/man/pam_getenv.3: Likewise. + * doc/man/pam_getenvlist.3: Likewise. + * doc/man/pam_info.3: Likewise. + * doc/man/pam_open_session.3: Likewise. + * doc/man/pam_prompt.3: Likewise. + * doc/man/pam_putenv.3: Likewise. + * doc/man/pam_set_data.3: Likewise. + * doc/man/pam_set_item.3: Likewise. + * doc/man/pam_setcred.3: Likewise. + * doc/man/pam_sm_acct_mgmt.3: Likewise. + * doc/man/pam_start.3: Likewise. + * doc/man/pam_strerror.3: Likewise. + * doc/man/pam_syslog.3: Likewise. + * modules/pam_access/access.conf.5: Likewise. + * modules/pam_access/pam_access.8: Likewise. + * modules/pam_cracklib/pam_cracklib.8: Likewise. + * modules/pam_deny/pam_deny.8: Likewise. + * modules/pam_echo/pam_echo.8: Likewise. + * modules/pam_env/pam_env.8: Likewise. + * modules/pam_env/pam_env.conf.5: Likewise. + * modules/pam_exec/pam_exec.8: Likewise. + * modules/pam_filter/pam_filter.8: Likewise. + * modules/pam_ftp/pam_ftp.8: Likewise. + * modules/pam_group/group.conf.5: Likewise. + * modules/pam_group/pam_group.8: Likewise. + * modules/pam_issue/pam_issue.8: Likewise. + * modules/pam_lastlog/pam_lastlog.8: Likewise. + * modules/pam_mkhomedir/pam_mkhomedir.8: Likewise. + * modules/pam_succeed_if/pam_succeed_if.8: Likewise. + * modules/pam_umask/pam_umask.8: Likewise. + + * modules/pam_unix/pam_unix_acct.c (pam_sm_acct_mgmt): Use + dngettext if available [#1427738]. + * configure.in: Check for dngettext [#1427738]. + * po/*.po: Update to dngettext usage. + + * modules/pam_listfile/Makefile.am: Include Make.xml.rules. + * modules/pam_listfile/pam_listfile.8.xml: New. + * modules/pam_listfile/pam_listfile.8: New, generated from xml file. + * modules/pam_listfile/README.xml: New. + * modules/pam_listfile/README: Regenerated from xml file. + +2006-06-01 Thorsten Kukuk + + * modules/pam_lastlog/Makefile.am: Include Make.xml.rules. + * modules/pam_lastlog/pam_lastlog.8.xml: New. + * modules/pam_lastlog/pam_lastlog.8: New, generated from xml file. + * modules/pam_lastlog/README.xml: New. + * modules/pam_lastlog/README: Regenerated from xml file. + + * modules/pam_group/Makefile.am: Include Make.xml.rules. + * modules/pam_group/group.conf.5.xml: New. + * modules/pam_group/group.conf.5: New, generated from xml file. + * modules/pam_group/pam_group.8.xml: New. + * modules/pam_group/pam_group.8: New, generated from xml file. + * modules/pam_group/README.xml: New. + * modules/pam_group/README: Regenerated from xml file. + + * modules/pam_ftp/Makefile.am: Include Make.xml.rules. + * modules/pam_ftp/pam_ftp.8.xml: New. + * modules/pam_ftp/pam_ftp.8: New, generated from xml file. + * modules/pam_ftp/README.xml: New. + * modules/pam_ftp/README: Regenerated from xml file. + + * modules/pam_issue/Makefile.am: Include Make.xml.rules. + * modules/pam_issue/pam_issue.8.xml: New. + * modules/pam_issue/pam_issue.8: New, generated from xml file. + * modules/pam_issue/README.xml: New. + * modules/pam_issue/README: Regenerated from xml file. + + * modules/pam_filter/Makefile.am: Include Make.xml.rules. + * modules/pam_filter/pam_filter.8.xml: New. + * modules/pam_filter/pam_filter.8: New, generated from xml file. + * modules/pam_filter/README.xml: New. + * modules/pam_filter/README: Regenerated from xml file. + +2006-05-30 Thorsten Kukuk + + * modules/pam_mkhomedir/pam_mkhomedir.8.xml: Fix umask and skel + directory documentation. + + * modules/pam_umask/Makefile.am: Include Make.xml.rules. + * modules/pam_umask/pam_umask.8.xml: New. + * modules/pam_umask/pam_umask.8: New, generated from xml file. + * modules/pam_umask/README.xml: New. + * modules/pam_umask/README: Regenerated from xml file. + +2006-05-29 Thorsten Kukuk + + * modules/pam_mkhomedir/Makefile.am: Include Make.xml.rules. + * modules/pam_mkhomedir/pam_mkhomedir.8.xml: New. + * modules/pam_mkhomedir/pam_mkhomedir.8: New, generated from xml file. + * modules/pam_mkhomedir/README.xml: New. + * modules/pam_mkhomedir/README: Regenerated from xml file. + +2006-05-23 Thorsten Kukuk + + * modules/pam_echo/pam_echo.c (pam_echo): Use pam_modutil_read() + instead of read(). + +2006-05-22 Thorsten Kukuk + + * modules/pam_listfile/pam_listfile.c (pam_sm_authenticate): + Fix memory leaks, [#1490956] found by Coverity. + + * modules/pam_tally/pam_tally.c (pam_get_uid): Check return + value of pam_get_user(). + (tally_get_data): Check if oldtime is not NULL. + [#1489818] found by Coverity. + + * modules/pam_mkhomedir/pam_mkhomedir.c (create_homedir): Don't + ignore return value of stat(). [#1489808] found by Coverity. + + * modules/pam_mail/pam_mail.c (get_folder): Fix a potential + NULL pointer dereference. [#1489792] found by Coverity. + + * libpam/Makefile.am: bump release number of libpam.so. + * libpam/pam_misc.c (_pam_mkargv): Fix memory leak, + [#1489804] found by Coverity. + + * modules/pam_echo/pam_echo.c (replace_and_print): Initialize + str, [#1489658] found by Coverity. + + * modules/pam_cracklib/pam_cracklib.c (_pam_unix_approve_pass): Fix + a potential NULL pointer dereference. + (pam_sm_chauthtok): Remove dead code. + [#1489634] found by Coverity. + +2006-05-04 Thorsten Kukuk + + * configure.in: Check for fseeko. + * modules/pam_tally/pam_tally.c: Use fseeko if available + (Based on patch by IBM). + +2006-05-04 Thorsten Kukuk + + * release version 0.99.4.0 + + * libpam/pam_strerror.c: Unify error messages. + + * po/zh_TW.po: Adjust for last pam_strerror changes. + * po/zh_CN.po: Likewise. + * po/uk.po: Likewise. + * po/tr.po: Likewise. + * po/pt.po: Likewise. + * po/pt_BR.po: Likewise. + * po/pl.po: Likewise. + * po/ja.po: Likewise. + * po/nl.po: Likewise. + * po/nb.po: Likewise. + * po/it.po: Likewise. + * po/hu.po: Likewise. + * po/fr.po: Likewise. + * po/fi.po: Likewise. + * po/es.po: Likewise. + * po/de.po: Likewise. + * po/cs.po: Likewise. + + * doc/man/pam.3.xml: New. + * doc/man/pam.3. New, generated from XML file. + + * doc/man/pam_sm_acct_mgmt.3.xml: New. + * doc/man/pam_sm_acct_mgmt.3: New, generated from XML file. + + * doc/man/*.xml: Fix encoding and use always UTF-8, regenerate + all manual pages. + + * doc/pam_modules.sgml (PAM_NEW_AUTHTOKEN_REQD): Fix typo. + +2006-05-02 Thorsten Kukuk + + * modules/pam_unix/pam_unix_acct.c (pam_sm_acct_mgmt): Use + different strings for plural or not [#1427738] + + * po/*.po: Adjust for pam_unix.so translation fix. + + * modules/pam_tally/pam_tally.c: Always close file handle + in error case, don't close it depending on *TALLY value [#1478180] + +2006-04-21 Thorsten Kukuk + + * po/fr.po: Updated. + +2006-04-11 Thorsten Kukuk + + * po/km.po: Updated. + +2006-03-27 Thorsten Kukuk + + * po/LINGUAS: Add uk. + + * po/uk.po: New. + * po/cs.po: Updated. + * po/po/es.po: Updated. + * po/fi.po: Updated. + * po/fr.po: Updated. + * po/hu.po: Updated. + * po/it.po: Updated. + * po/ja.po: Updated. + * po/nb.po: Updated. + * po/pl.po: Updated. + * po/pt.po: Updated. + * po/pt_BR.po: Updated. + * po/zh_CN.po: Updated. + * po/zh_TW.po: Updated. + +2006-03-21 Thorsten Kukuk + + * configure.in: Remove ALL_LINGUAS. + * po/LINGUAS: New. + * po/tr.po: New (from Ismail Donmez ). + +2006-03-13 Thorsten Kukuk + + * doc/man/pam_error.3.xml: New. + * doc/man/pam_error.3: New, generated from XML file. + * doc/man/pam_verror.3: New, generated from XML file. + * doc/man/Makefile.am: Add pam_error.3 and pam_verror.3. + + * modules/pam_lastlog/Makefile.am: Fix typo. + + * modules/pam_lastlog/pam_lastlog.c: Move comment for + translators in right line. + * po/*.po: Update po files with comment for translator. + +2006-03-12 Thorsten Kukuk + + * doc/man/Makefile.am: Add new manual pages. + + * doc/man/pam.conf.5.xml: Replace link with content + of PAM admin guide. + * doc/man/pam.conf.5: Regenerated from XML file. + + * doc/man/pam_info.3.xml: New. + * doc/man/pam_info.3: New, generated from XML file. + * doc/man/pam_vinfo.3: New, generated from XML file. + + * doc/man/pam_conv.3.xml: New. + * doc/man/pam_conv.3: New, generated from XML file. + + * doc/man/pam_putenv.3.xml: New. + * doc/man/pam_putenv.3: New, generated from XML file. + + * doc/man/pam_getenv.3.xml: New. + * doc/man/pam_getenv.3: New, generated from XML file. + + * doc/man/pam_getenvlist.3.xml: New. + * doc/man/pam_getenvlist.3: New, generated from XML file. + + * libpam/pam_item.c (pam_get_user): Check for valid pamh before + using it. + + * configure.in: create tests/Makefile + * Makefile.am (SUBDIRS): Add tests + * tests/Makefile.am: New. + * tests/tst-dlopen.c: New. + * tests/tst-pam_acct_mgmt.c: New. + * tests/tst-pam_authenticate.c: New. + * tests/tst-pam_chauthtok.c: New. + * tests/tst-pam_close_session.c: New. + * tests/tst-pam_end.c: New. + * tests/tst-pam_fail_delay.c: New. + * tests/tst-pam_getenvlist.c: New. + * tests/tst-pam_get_item.c: New. + * tests/tst-pam_open_session.c: New. + * tests/tst-pam_setcred.c: New. + * tests/tst-pam_set_item.c: New. + * tests/tst-pam_start.c: New. + * tests/tst-pam_get_user.c: New. + + * modules/pam_access/Makefile.am: Add rules for make check + * modules/pam_access/tst-pam_access: New + * modules/pam_cracklib/Makefile.am: Add rules for make check + * modules/pam_cracklib/tst-pam_cracklib: New + * modules/pam_debug/Makefile.am: Add rules for make check + * modules/pam_debug/tst-pam_debug: New + * modules/pam_deny/Makefile.am: Add rules for make check + * modules/pam_deny/tst-pam_deny: New + * modules/pam_echo/Makefile.am: Add rules for make check + * modules/pam_echo/tst-pam_echo: New + * modules/pam_env/Makefile.am: Add rules for make check + * modules/pam_env/tst-pam_env: New + * modules/pam_exec/Makefile.am: Add rules for make check + * modules/pam_exec/tst-pam_exec: New + * modules/pam_filter/Makefile.am: Add rules for make check + * modules/pam_filter/tst-pam_filter: New + * modules/pam_ftp/Makefile.am: Add rules for make check + * modules/pam_ftp/tst-pam_ftp: New + * modules/pam_group/Makefile.am: Add rules for make check + * modules/pam_group/tst-pam_group: New + * modules/pam_issue/Makefile.am: Add rules for make check + * modules/pam_issue/tst-pam_issue: New + * modules/pam_lastlog/Makefile.am: Add rules for make check + * modules/pam_lastlog/tst-pam_lastlog: New + * modules/pam_limits/Makefile.am: Add rules for make check + * modules/pam_limits/tst-pam_limits: New + * modules/pam_listfile/Makefile.am: Add rules for make check + * modules/pam_listfile/tst-pam_listfile: New + * modules/pam_localuser/Makefile.am: Add rules for make check + * modules/pam_localuser/tst-pam_localuser: New + * modules/pam_mail/Makefile.am: Add rules for make check + * modules/pam_mail/tst-pam_mail: New + * modules/pam_mkhomedir/Makefile.am: Add rules for make check + * modules/pam_mkhomedir/tst-pam_mkhomedir: New + * modules/pam_motd/Makefile.am: Add rules for make check + * modules/pam_motd/tst-pam_motd: New + * modules/pam_nologin/Makefile.am: Add rules for make check + * modules/pam_nologin/tst-pam_nologin: New + * modules/pam_permit/Makefile.am: Add rules for make check + * modules/pam_permit/tst-pam_permit: New + * modules/pam_rhosts/Makefile.am: Add rules for make check + * modules/pam_rhosts/tst-pam_rhosts: New + * modules/pam_rootok/Makefile.am: Add rules for make check + * modules/pam_rootok/tst-pam_rootok: New + * modules/pam_securetty/Makefile.am: Add rules for make check + * modules/pam_securetty/tst-pam_securetty: New + * modules/pam_selinux/Makefile.am: Add rules for make check + * modules/pam_selinux/tst-pam_selinux: New + * modules/pam_shells/Makefile.am: Add rules for make check + * modules/pam_shells/tst-pam_shells: New + * modules/pam_stress/Makefile.am: Add rules for make check + * modules/pam_stress/tst-pam_stress: New + * modules/pam_succeed_if/Makefile.am: Add rules for make check + * modules/pam_succeed_if/tst-pam_succeed_if: New + * modules/pam_tally/Makefile.am: Add rules for make check + * modules/pam_tally/tst-pam_tally: New + * modules/pam_time/Makefile.am: Add rules for make check + * modules/pam_time/tst-pam_time: New + * modules/pam_umask/Makefile.am: Add rules for make check + * modules/pam_umask/tst-pam_umask: New + * modules/pam_unix/Makefile.am: Add rules for make check + * modules/pam_unix/tst-pam_unix: New + * modules/pam_userdb/Makefile.am: Add rules for make check + * modules/pam_userdb/tst-pam_userdb: New + * modules/pam_warn/Makefile.am: Add rules for make check + * modules/pam_warn/tst-pam_warn: New + * modules/pam_wheel/Makefile.am: Add rules for make check + * modules/pam_wheel/tst-pam_wheel: New + * modules/pam_xauth/Makefile.am: Add rules for make check + * modules/pam_xauth/tst-pam_xauth: New + +2006-03-11 Thorsten Kukuk + + * doc/man/pam_fail_delay.3.xml: New. + * doc/man/pam_fail_delay.3: New, generated from xml. + * doc/man/pam_prompt.3.xml: New. + * doc/man/pam_prompt.3: New, generated from xml. + * doc/man/pam_syslog.3.xml: New. + * doc/man/pam_syslog.3: New, generated from xml. + * doc/man/pam_vprompt.3: New, generated from xml. + * doc/man/pam_vsyslog.3: New, generated from xml. + +2006-02-24 Thorsten Kukuk + + * po/km.po: Update Khmer translation. + +2006-02-24 Thorsten Kukuk + + * modules/pam_succeed_if/pam_succeed_if.8.xml: New, based on + version from #1425487. + * modules/pam_succeed_if/pam_succeed_if.8: Regenerated from xml. + * modules/pam_succeed_if/Makefile.am: Include XML rules. + * modules/pam_succeed_if/README.xml: New. + * modules/pam_succeed_if/README: Regenerated from xml. + * modules/pam_succeed_if/pam_succeed_if.c: Fix comment about + return values. + +2006-02-22 Thorsten Kukuk + + * configure.in: Fix check for incomplete libaudit installations + (Patch from Ruediger Oertel ). + + * modules/pam_lastlog/pam_lastlog.c (last_login_write): Initialize + correct last_login field [#1427401]. + + * modules/pam_lastlog/pam_lastlog.c (last_login_read): Mark strftime + format string for translation to allow reorder [#1428269]. + * po/*.po: Update with last pam_lastlog change. + + +2006-02-17 Thorsten Kukuk + + * doc/man/Makefile.am: Add new manual pages. + * doc/man/pam_end.3: Regenerated from xml file. + * doc/man/pam_end.3.xml: Document freeing of item data. + * doc/man/pam_get_user.3: New. + * doc/man/pam_get_user.3.xml: New. + * modules/pam_access/access.conf.5.xml: Fix typos. + * modules/pam_env/Makefile.am: Add new manual pages. + * modules/pam_env/README: Regenerate from xml file. + * modules/pam_env/README.xml: New. + * modules/pam_env/pam_env.8: New. + * modules/pam_env/pam_env.8.xml: New. + * modules/pam_env/pam_env.conf.5: New. + * modules/pam_env/pam_env.conf.5.xml New. + +2006-02-14 Thorsten Kukuk + + * po/fi.po: Updated translations. + * po/pl.po: Likewise. + * po/km.po: New translation. + * configure.in: Add km as new language. + +2006-02-13 Thorsten Kukuk + + * modules/pam_echo/pam_echo.8.xml: New. + * modules/pam_echo/pam_echo.8: Regenerated from xml file. + * modules/pam_echo/Makefile.am: Include Make.xml.rules. + * modules/pam_echo/pam_echo.c: Fix return value. + + * doc/modules/pam_chroot.sgml: Remove obsolete sgml file. + +2006-02-12 Thorsten Kukuk + + * configure.in: Add doc/man/Makefile. + * Make.xml.rules: Enable xincludes for manual pages. + * doc/Makefile.am (EXRA_DIST): Remove manual pages. + (SUBDIR): Add man subdirectory. + * doc/man/Makefile.am: New. + * doc/man/pam_acct_mgmt.3: New. + * doc/man/pam_acct_mgmt.3.xml: New. + * doc/man/pam_get_data.3: New. + * doc/man/pam_get_data.3.xml: New. + * doc/man/pam_set_data.3: New. + * doc/man/pam_set_data.3.xml: New. + * doc/man/pam.8.xml: New. + * doc/man/pam.8: Regenerated from xml file. + * doc/man/pam_authenticate.3.xml: New. + * doc/man/pam_authenticate.3: Regenerated from xml file. + * doc/man/pam_chauthtok.3.xml: New. + * doc/man/pam_chauthtok.3: Regenerated from xml file. + * doc/man/pam_close_session.3.xml: New. + * doc/man/pam_close_session.3: Regenerated from xml file. + * doc/man/pam_end.3.xml: New. + * doc/man/pam_end.3: Regenerated from xml file. + * doc/man/pam_fail_delay.3.xml: New. + * doc/man/pam_fail_delay.3: Regenerated from xml file. + * doc/man/pam_get_item.3.xml: New. + * doc/man/pam_get_item.3: Regenerated from xml file. + * doc/man/pam_item_types.inc.xml: New. + * doc/man/pam_open_session.3.xml: New. + * doc/man/pam_open_session.3: Regenerated from xml file. + * doc/man/pam_set_item.3.xml: New. + * doc/man/pam_set_item.3: Regenerated from xml file. + * doc/man/pam_setcred.3.xml: New. + * doc/man/pam_setcred.3: Regenerated from xml file. + * doc/man/pam_start.3.xml: New. + * doc/man/pam_start.3: Regenerated from xml file. + * doc/man/pam_strerror.3.xml: New. + * doc/man/pam_strerror.3: Regenerated from xml file. + * doc/man/template-man: Removed. + +2006-02-10 Thorsten Kukuk + + * configure.in: Remove pam_pwdb support. + * modules/Makefile.am: remove pam_pwdb. + * modules/pam_pwdb: Remove complete directory. + * libpam/Makefile.am: Remove LIBPWDB references. + * libpam/pam_static_modules.h: Remove pam_pwdb references. + * doc/modules/pam_pwdb.sgml: Removed. + * po/POTFILES.in: Remove modules/pam_pwdb/*.c entries. + * doc/pam_source.sgml: Remove references to libpwdb. + * doc/modules/pam_limits.sgml: Remove wrong reference to libpwdb. + * doc/modules/pam_group.sgml: Likewise. + * doc/modules/pam_cracklib.sgml: Replace pam_pwdb with pam_unix. + * doc/modules/pam_userdb.sgml: Likewise. + * modules/pam_cracklib/pam_cracklib.8.xml: Replace pam_pwdb + with pam_unix. + * modules/pam_mkhomedir/pam_mkhomedir.c: Likewise. + * modules/pam_group/pam_group.c: Remove dead code for libpwdb. + + * modules/pam_access/Makefile.am: Fix EXTRA_DIST. + * modules/pam_cracklib/Makefile.am: Likewise. + * modules/pam_deny/Makefile.am: Likewise. + * modules/pam_exec/Makefile.am: Likewise. + +2006-02-07 Thorsten Kukuk + + * configure.in: Check for text browser. + * Make.xml.rules: Add rule to generate README from README.xml. + + * modules/pam_access/Makefile.am: Include Make.xml.rules. + * modules/pam_access/README: Regenerated from README.xml. + * modules/pam_access/README.xml: New. + * modules/pam_access/access.conf: Extended by new examples. + * modules/pam_access/access.conf.5: New, generated from xml file. + * modules/pam_access/access.conf.5.xml: New. + * modules/pam_access/pam_access.8: New, generated from xml file. + * modules/pam_access/pam_access.8.xml: New. + * modules/pam_access/pam_access.c: Add rules for IPv6 and + netmasks. + Based on patch from Mike Becher . + + * modules/pam_deny/Makefile.am: Include Make.xml.rules. + * modules/pam_deny/pam_deny.8.xml: New. + * modules/pam_deny/pam_deny.8: New, generated from xml file. + * modules/pam_deny/README.xml: New. + * modules/pam_deny/README: Regenerated from xml file. + + * modules/pam_cracklib/Makefile.am: Include Make.xml.rules. + * modules/pam_cracklib/pam_cracklib.8.xml: New. + * modules/pam_cracklib/pam_cracklib.8: New, generated from xml file. + * modules/pam_cracklib/README.xml: New. + * modules/pam_cracklib/README: Regenerated from xml file. + + * modules/pam_exec/Makefile.am: Add rule to generate README. + * modules/pam_exec/README: Regenerated from xml file. + * modules/pam_exec/pam_exec.8: Regenerated from xml file. + * modules/pam_exec/pam_exec.8.xml: Syntax files. + +2006-02-06 Thorsten Kukuk + + * po/nl.po: New. + * po/pt.po: Update translations. + * configure.in: Add nl as new language. + +2006-01-30 Thorsten Kukuk + + * modules/pam_exec/pam_exec.8.xml: Fix syntax of Return Value section. + * modules/pam_exec/Makefile.am: Include Make.xml.rules. + + * Make.xml.rules: New. + + * Makefile.am (EXTRA_DIST): Add Make.xml.rules. + +2006-01-27 Thorsten Kukuk + + * configure.in: Prefer libdb over libndbm, fix check for + libcrack and remove not needed BACKUP_LIBS. + +2006-01-24 Thorsten Kukuk + + * modules/pam_debug/pam_debug.c: Fix name of pam_module struct. + + * po/de.po: Fix one translation. + + * configure.in: Add modules/pam_exec. + * modules/Makefile.am: Add pam_exec subdirectory. + * modules/pam_exec/README: New. + * modules/pam_exec/Makefile.am: New. + * modules/pam_exec/pam_exec.8: New. + * modules/pam_exec/pam_exec.c: New. + * modules/pam_exec/pam_exec.8.xml: New. + * po/POTFILES.in: Add modules/pam_exec/pam_exec.c. + * po/*.po: Merge new pam_exec strings. + + * libpam/pam_static_modules.h: New. + * Makefile.am: Reorder subdirectories for static modules. + * configure.in: Add --enable-static-modules option. + * libpam/Makefile.am: Define WITH_SELINUX and WITH_PWDB if + necessary, add pam_static_modules.h, link against all PAM + module object files if STATIC_MODULES is defined. + * libpam/pam_static.c: Remove old _static_module* includes, + include pam_static_modules.h. + + * configure.in: Add checks for xsltproc, xmllint and docbook + xsl stylesheet. + * m4/jh_path_xml_catalog.m4: New. + +2006-01-22 Thorsten Kukuk + + * modules/pam_succeed_if/pam_succeed_if.c: Add support for + static modules. + * modules/pam_xauth/pam_xauth.c: Likewise. + + * libpam/pam_static.c (_pam_open_static_handler): Add pamh + as argument. + * libpam/pam_private.h: Adjust prototype. + * libpam/pam_handlers.c (_pam_add_handler): Add pamh to + _pam_open_static_handler call. + + * configure.in: Don't define PAM_DYNAMIC. + * libpam/pam_handlers.c: Get ride of PAM_DYNAMIC, don't + include pam_dynamic.h + * libpam/pam_dynamic.c: Don't include pam_dynamic.h, + exclude functions if we compile with PAM_STATIC. + * libpam/pam_dynamic.h: Remove. + * libpam/pam_private.h: Add function prototypes from pam_dynamic.h. + * libpam/Makefile.am: Bump version number of libpam, remove + pam_dynamic.h. + +2006-01-21 Thorsten Kukuk + + * modules/pam_listfile/pam_listfile.c: Add support for session + and password management. + +2006-01-19 Thorsten Kukuk + + * doc/specs/Makefile.am (spec): Add padout to fix parallel + build (Reported by Andreas Haumer ). + +2006-01-15 Thorsten Kukuk + + * modules/pam_echo/pam_echo.c: Define HOST_NAME_MAX if not + already defined. + +2006-01-13 Thorsten Kukuk + + * release version 0.99.3.0 + + * libpam_misc/misc_conv.c (misc_conv): Fix strict aliasing + error. + + * modules/pam_umask/pam_umask.c (search_key): Don't ignore + EOF/error return value from fgets(). + + * configure.in: Check for getline and getdelim + + * po/fi.po: Add new translations. + * po/de.po: Likewise. + * po/es.po: Likewise. + * po/fr.po: Likewise. + * po/it.po: Likewise. + * po/ja.po: Likewise. + * po/pt_BR.po: Likewise. + * po/zh_CH.po: Likewise. + * po/zh_TW.po: Likewise. + +2006-01-13 Dmitry V. Levin + + * libpam/pam_audit.c (_pam_auditlog): Replace strerror(errno) + call with %m specifier. + +2006-01-12 Thorsten Kukuk + + * configure.in: Add check for -fpie/-pie + * modules/pam_filter/upperLOWER/Makefile.am: Compile/link + upperLOWER with -fpie/-pie if supported. + * modules/pam_unix/Makefile.am: Compile/link unix_chkpwd + with -fpie/-pie if supported. + +2006-01-12 Steve Grubb + + * configure.in: Add check for audit library. + * libpam/Makefile.am (libpam_la_LDFLAGS): Add LIBAUDIT. + (libpam_la_SOURCES): Add pam_audit.c. + * libpam/pam_account.c (pam_acct_mgmt): Add _pam_auditlog() call. + * libpam/pam_auth.c (pam_authenticate), (pam_setcred): Likewise. + * libpam/pam_password.c (pam_chauthtok): Likewise. + * libpam/pam_session.c (pam_open_session), + (pam_close_session): Likewise. + * libpam/pam_private.h: Add audit_state member to pam_handle, + declare _pam_auditlog and _pam_audit_end. + * libpam/pam_start.c (pam_start): Initialize audit_state. + * libpam/pam_audit.c: New file with _pam_auditlog and _pam_audit_end + implementation. + * libpam/pam_end.c (pam_end): Add _pam_audit_end() call. + * NEWS: Note about added auditing. + +2006-01-11 Thorsten Kukuk + + * libpam/Makefile.am (AM_CFLAGS): Define LIBPAM_COMPILE. + + * libpam/include/security/_pam_types.h: Don't define PAM_NONNULL + if we compile libpam itself. + + * po/hu.po: Update with new translations. + +2006-01-08 Thorsten Kukuk + + * modules/pam_cracklib/pam_cracklib.c: Use PAM_AUTHTOK_RECOVERY_ERR + instead of PAM_AUTHTOK_RECOVER_ERR. + * modules/pam_pwdb/support.-c: Likewise. + * modules/pam_unix/support.c: Likewise. + * modules/pam_userdb/pam_userdb.c (pam_sm_authenticate): Likewise. + * libpam/pam_strerror.c (pam_strerror): Likewise. + + * libpam/include/security/_pam_compat.h: Define + PAM_AUTHTOK_RECOVER_ERR for backward compatibility. + + * libpam/include/security/_pam_types.h: Rename + PAM_AUTHTOK_RECOVER_ERR to PAM_AUTHTOK_RECOVERY_ERR. + +2006-01-05 Thorsten Kukuk + + * libpam/include/security/_pam_types.h: Remove nonnull attribute + from third paramter (item) of pam_get_item. + * libpam/Makefile.am: Bump version number of shared library. + +2005-12-21 Tomas Mraz + + * modules/pam_succeed_if/pam_succeed_if.c (evaluate_ingroup), + (evaluate_notingroup): Simplified. + (evaluate_innetgr), (evaluate_notinnetgr): New functions. + (evaluate): Added calls to evaluate_(not)innetgr(). + * modules/pam_succeed_if/README: Documented netgroup matching. + * NEWS: Mentioned the added netgroup matching support. + +2005-12-20 Thorsten Kukuk + + * modules/pam_lastlog/pam_lastlog.c (last_login_read): Use + strftime instead of ctime. + + * po/de.po: Fix typo. + +2005-12-19 Thorsten Kukuk + + * libpam/pam_syslog.c: Define LOG_AUTHPRIV as LOG_AUTH on Solaris. + Reported by Charles_H_Bedford@nbc.gov. + + * modules/pam_time/pam_time.c (check_account): Implement + support for netgroups. + + * modules/pam_time/time.conf: Document usage of netgroups. + +2005-12-16 Thorsten Kukuk + + * modules/pam_group/pam_group.c (check_account): Implement + support for netgroups. + + * modules/pam_group/group.conf: Add all documentation to this + example config file and don't reference to outdated configs. + + * modules/pam_group/README: New. + + * modules/pam_group/Makefile.am: Add README to EXTRADIST. + +2005-12-15 Thorsten Kukuk + + * modules/pam_lastlog/pam_lastlog.c (last_login_read): Don't report an + error if user logins the first time. + + * modules/pam_lastlog/README: New. + + * modules/pam_lastlog/Makefile.am: Add README to EXTRADIST. + +2005-12-14 Thorsten Kukuk + + * modules/pam_deny/pam_deny.c: Fix comment. + + * doc/pam_appl.sgml: Fix typo. + + Reported by Russell Bateman + +2005-12-12 Thorsten Kukuk + + * release version 0.99.2.1 + + * po/de.po: Remove new fuzzy entry + + * NEWS: Add 0.99.2.1 changes + + * configure.in: bump version number to 0.99.2.1 + +2005-12-12 Dmitry V. Levin + + Cleanup pam_syslog messages. + + * modules/pam_env/pam_env.c (_expand_arg): Fix compiler warning. + * modules/pam_filter/pam_filter.c (set_filter): Append %m + specifier to pam_syslog messages where appropriate. + * modules/pam_group/pam_group.c (read_field): Likewise. + * modules/pam_mkhomedir/pam_mkhomedir.c (make_remark): Remove. + (create_homedir): Do not use make_remark() wrapper, call + pam_info() directly. Call pam_syslog() right after failed + operation and append %m specifier to pam_syslog messages where + appropriate. + * modules/pam_rhosts/pam_rhosts_auth.c (pam_iruserok): Replace + sequence of malloc(), strcpy() and strcat() calls with asprintf(). + Append %m specifier to pam_syslog messages where appropriate. + * modules/pam_securetty/pam_securetty.c (securetty_perform_check): + Append %m specifier to pam_syslog messages where appropriate. + * modules/pam_shells/pam_shells.c (perform_check): Likewise. + +2005-12-12 Tomas Mraz + + * modules/pam_mail/pam_mail.c (report_mail): Fixed typo in string. + * po/Linux-PAM.pot: Likewise. + * po/de.po: Likewise. + * po/es.po: Likewise. + * po/fi.po: Likewise. + * po/fr.po: Likewise. + * po/hu.po: Likewise. + * po/it.po: Likewise. + * po/ja.po: Likewise. + * po/nb.po: Likewise. + * po/pa.po: Likewise. + * po/pl.po: Likewise. + * po/pt.po: Likewise. + * po/pt_BR.po: Likewise. + * po/zh_CN.po: Likewise. + * po/zh_TW.po: Likewise. + * po/de.po: Add new translation, fixed typo in string. + +2005-12-12 Mike Becher + + * doc/Makefile.am: Fixed install of PS, PDF, TXT and HTML files. + +2005-12-12 Thorsten Kukuk + + * modules/pam_mail/README: Document "quiet" and "standard" + options. + +2005-12-07 Thorsten Kukuk + + * modules/pam_mail/pam_mail.c: Modify assembling of output + for easier translation. + + * po/de.po: Translate new pam_mail messages. + + +2005-11-24 Thorsten Kukuk + + * po/de.po: Add new translation, fix wrong format specifier. + * po/cs.po: Fix wrong format specifier. + * po/es.po: Likewise. + * po/fi.po: Likewise. + * po/fr.po: Likewise. + * po/hu.po: Likewise. + * po/it.po: Likewise. + * po/ja.po: Likewise. + * po/nb.po: Likewise. + * po/pa.po: Likewise. + * po/pl.po: Likewise. + * po/pt.po: Likewise. + * po/pt_BR.po: Likewise. + * po/zh_CN.po: Likewise. + * po/zh_TW.po: Likewise. + +2005-11-24 Dmitry V. Levin + + * config.h.in: Remove generated file. + * .cvsignore: Add config.h.in. + + * configure.in: Do not check for strerror. + * libpam_misc/misc_conv.c (read_string): Replace strerror() + call with %m specifier. + * libpamc/pamc_converse.c (pamc_converse): Likewise. + * modules/pam_echo/pam_echo.c (pam_echo): Likewise. + * modules/pam_localuser/pam_localuser.c (pam_sm_authenticate): + Likewise. + * modules/pam_selinux/pam_selinux.c (security_label_tty): + Likewise. + (security_restorelabel_tty, security_label_tty): Append %m + specifier where appropriate. + * modules/pam_selinux/pam_selinux_check.c (main): Replace + strerror() call with %m specifier. + * modules/pam_unix/pam_unix_passwd.c (save_old_password, + _update_passwd, _update_shadow): Likewise. + * modules/pam_unix/support.c (_unix_run_helper_binary): Likewise. + * modules/pam_unix/unix_chkpwd.c (_update_shadow): Likewise. + * po/Linux-PAM.pot: Update strings from pam_selinux. + * po/cs.po: Likewise. + * po/de.po: Likewise. + * po/es.po: Likewise. + * po/fi.po: Likewise. + * po/fr.po: Likewise. + * po/hu.po: Likewise. + * po/it.po: Likewise. + * po/ja.po: Likewise. + * po/nb.po: Likewise. + * po/pa.po: Likewise. + * po/pl.po: Likewise. + * po/pt.po: Likewise. + * po/pt_BR.po: Likewise. + * po/zh_CN.po: Likewise. + * po/zh_TW.po: Likewise. + +2005-11-23 Thorsten Kukuk + + * modules/pam_xauth/pam_xauth.c (pam_sm_open_session): Introduce + new variable to fix compiler warning. + + * libpam/pam_modutil_getlogin.c (pam_modutil_getlogin): PAM_TTY + don't need to start with /dev/. + +2005-11-21 Thorsten Kukuk + + * release version 0.99.2.0 + + * libpam_misc/Makefile.am: Increase release number (for change + from 2005-11-09) + + * NEWS: Adjust for 0.99.2.0 + +2005-11-17 Thorsten Kukuk + + * libpam/include/security/_pam_compat.h: Fix wrong #ifdef nesting. + Redefine PAM_CHANGE_EXPIRED_AUTHTOK [#604380] + +2005-11-16 Thorsten Kukuk + + * libpam/pam_handlers.c: Replace code for all dlopen variants with + a generic wrapper. + * libpam/pam_dynamic.c: Implement generic wrapper for dlopen. + * libpam/pam_dynamic.h: Provide prototypes. + For Mac OS X support [#534205] + +2005-11-09 Tomas Mraz + + * modules/pam_access/pam_access.c (pam_sm_acct_mgmt): Parse correctly + full path tty name. + * modules/pam_time/pam_time.c (pam_sm_acct_mgmt): Parse correctly + full path tty name. Allow unset tty. + (logic_member): Allow matching ':' in tty name. + * modules/pam_group/pam_group.c (pam_sm_acct_mgmt): Parse correctly + full path tty name. Allow unset tty. + (logic_member): Allow matching ':' in tty name. + + * libpam_misc/misc_conv.c (read_string): Read only up to EOL if stdin + is not terminal. + +2005-11-07 Thorsten Kukuk + + * modules/pam_unix/pam_unix_passwd.c (_unix_verify_shadow): Use + correct variable names. + +2005-11-06 Steve Langasek + + * modules/pam_env/pam_env.c: don't treat a missing + /etc/environment as a fatal error when attempting to read it, + and try to read this file by default; this restores the behavior + from Linux-PAM 0.76. + +2005-11-02 Tomas Mraz + + * modules/pam_unix/support.c (_unix_getpwnam): Fix typo [#1224807] + by ohyajapn. + + * modules/pam_unix/pam_unix_passwd.c (_unix_verify_shadow): Change the + logic when comparing dates to handle corner cases better [#1245888]. + +2005-10-31 Thorsten Kukuk + + * modules/pam_filter/pam_filter.c: Use XCASE only if defined + [#624214] + +2005-10-27 Thorsten Kukuk + + * doc/man/pam.8: Fix wording for authentication chapter [#1197444] + +2005-10-26 Tomas Mraz + + * modules/pam_unix/pam_unix_acct.c (_unix_run_verify_binary), + modules/pam_unix/pam_unix_passwd.c (_unix_run_shadow_binary), + modules/pam_unix/support.c (_unix_run_shadow_binary_): Set real + uid to 0 before executing the helper if SELinux is enabled. + * modules/pam_unix/unix_chkpwd.c (main): Disable user check only + if real uid is 0 (CVE-2005-2977). Log failed password check attempt. + + +2005-10-20 Tomas Mraz + + * configure.in: Added check for xauth binary and --with-xauth option. + * config.h.in: Added configurable PAM_PATH_XAUTH. + * modules/pam_xauth/README, + modules/pam_xauth/pam_xauth.8: Document where xauth is looked for. + * modules/pam_xauth/pam_xauth.c (pam_sm_open_session): Implement + searching xauth binary on multiple places. + (run_coprocess): Don't use execvp as it can be a security risk. + +2005-10-04 Steve Langasek + + * libpam/include/security/pam_malloc.h, + libpam/include/security/pam_modules.h: Declare public header + files extern "C" so that they are C++-safe. + +2005-10-02 Dmitry V. Levin + Steve Langasek + + Cleanup gratuitous use of strdup(). + Fix "missing argument" checks. + + * modules/pam_env/pam_env.c (_pam_parse): Add const qualifier + to conffile and envfile arguments. Do not use x_strdup() for + conffile and envfile initialization. Fix "missing argument" + checks. + (_parse_config_file): Take conffile argument of type "const char *" + instead of "char **". Do not free conffile. + (_parse_env_file): Take env_file argument of type "const char *" + instead of "char **". Do not free env_file. + (pam_sm_setcred): Add const qualifier to conf_file and env_file. + Pass conf_file and env_file to _parse_config_file() and + _parse_env_file() by value. + (pam_sm_open_session): Likewise. + + * modules/pam_ftp/pam_ftp.c (_pam_parse): Add const qualifier to + users argument. Do not use x_strdup() for users initialization. + (lookup): Add const qualifier to list argument. + (pam_sm_authenticate): Add const qualifier to users argument. + + * modules/pam_mail/pam_mail.c (_pam_parse): Add const qualifier + to maildir argument. Do not use x_strdup() for maildir + initialization. Fix "missing argument" check. + (get_folder): Take path_mail argument of type "const char *" + instead of "char **". Do not free path_mail. + (_do_mail): Add const qualifier to path_mail argument. + Pass path_mail to get_folder() by value. + + * modules/pam_motd/pam_motd.c: Include . + (pam_sm_open_session): Add const qualifier to motd_path. + Do not use x_strdup() for motd_path initialization. Do not + free motd_path. Fix "missing argument" check. Add "unknown + option" warning. + + * modules/pam_userdb/pam_userdb.c (_pam_parse): Add const + qualifier to database and cryptmode arguments. Fix "missing + argument" checks. + (pam_sm_authenticate): Add const qualifier to database and cryptmode. + (pam_sm_acct_mgmt): Likewise. + +2005-10-01 Steve Langasek + + * modules/pam_userdb/pam_userdb.c: spelling fix in log message. + +2005-09-30 Steve Langasek + + * modules/pam_userdb/pam_userdb.c: Fix memory leak due to + gratuitous use of strdup(). + +2005-09-27 Thorsten Kukuk + + * release 0.99.1.0 + + * doc/specs/Makefile.am (install-data-local): Install + rfc and draft. + (all): Copy rfc if we build outside of source directory. + +2005-09-27 Thorsten Kukuk + + * NEWS: Document removal of pam_radius. + * autogen.sh: Make configure script executeable. + + * conv/pam_conv1/Makefile (EXTRA_DIST): Removed lex.yy.c + (lex.yy.c): Fixed out of tree build. + + * conv/pam_conv1/pam_conv.y: Fix main prototype. + + * README: Adjust. + + * po/POTFILES.in: Remove files not distributed by tar archive + and not containing strings for translation. + +2005-09-26 Tomas Mraz + + * NEWS: Add a few missing entries from CHANGELOG. + + * AUTHORS: Fixed entries for Toady and me. + + * Makefile.am (M4_FILES): Fixed out of tree build. + * doc/specs/Makefile.am (EXTRA_DIST): Removed lex.yy.c + (spec, lex.yy.c): Fixed out of tree build. + + * modules/pam_userdb/README: Document try_first_pass and + use_first_pass options, remove use_authtok option. + + +2005-09-26 Dmitry V. Levin + + * NEWS: Mention changes in pam_lastlog. + +2005-09-26 Thorsten Kukuk + + * NEWS: New file. + * autogen.sh: Don't generate NEWS file. + * CHANGELOG: Document it as obsolete. + +2005-09-26 Tomas Mraz + + * modules/pam_unix/pam_unix_acct.c (_unix_run_verify_binary): + _log_err() -> pam_syslog() + (pam_sm_acct_mgmt): _log_err() -> pam_syslog(), fix warning. + * modules/pam_unix/pam_unix_auth.c (pam_sm_authenticate): + _log_err() -> pam_syslog() + * modules/pam_unix/pam_unix_passwd.c: removed obsolete ifdef + (getNISserver, _unix_run_shadow_binary, _update_passwd, + _update_shadow, _do_setpass, _pam_unix_approve_pass, + pam_sm_chauthtok): _log_err() -> pam_syslog() + * modules/pam_unix/pam_unix_sess.c: removed obsolete ifdef + (pam_sm_open_session, pam_sm_close_session): + _log_err() -> pam_syslog() + * modules/pam_unix/support.c (_log_err, converse): removed + (_make_remark): use pam_prompt() instead of converse() + (_set_ctrl, _cleanup_failures, _unix_run_helper_binary, + _unix_verify_password, _unix_read_password): + _log_err() -> pam_syslog() + _cleanup(), _unix_cleanup(): Silence unused param warnings. + (_cleanup_failures, _unix_verify_password, _unix_getpwnam, + _unix_run_helper_binary): Silence incorrect type warnings. + (_unix_read_password): Use multiple pam_prompt() and pam_info() calls + instead of converse(). + * modules/pam_unix/support.h (_log_err): removed + * modules/pam_unix/unix_chkpwd.c (_log_err): LOG_AUTH -> LOG_AUTHPRIV + +2005-09-26 Thorsten Kukuk + + * configure.in: Add doc/specs/Makefile. + * Makefile.am: Add releasedocs rule. + * doc/Makefile.am: Add specs subdir, remove files from specs + directory, add rfc86.0.txt to releasedocs. + * doc/specs/Makefile.am: New file. + * doc/specs/formatter/parse.y: move from here ... + * doc/specs/parse.y: ... here. + * doc/specs/formatter/parse.lex: move from here ... + * doc/specs/parse.lex: ... here. + + * modules/pam_mail/pam_mail.c: Mark missing strings for translation + * po/Linux-PAM.pot: Add new strings from pam_mail + * po/cs.po: Likewise. + * po/de.po: Likewise. + * po/es.po: Likewise. + * po/fi.po: Likewise. + * po/fr.po: Likewise. + * po/hu.po: Likewise. + * po/it.po: Likewise. + * po/ja.po: Likewise. + * po/nb.po: Likewise. + * po/pa.po: Likewise. + * po/pl.po: Likewise. + * po/pt.po: Likewise. + * po/pt_BR.po: Likewise. + * po/zh_CN.po: Likewise. + * po/zh_TW.po: Likewise. + +2005-09-23 Tomas Mraz + + * modules/pam_access/pam_access.c (from_match): Support NULL from. + (string_match): Support NULL string, add NONE keyword matching it. + (pam_sm_acct_mgmt): Don't fail when ttyname returns NULL. + * modules/pam_access/access.conf: NONE keyword description + * modules/pam_access/README: NONE keyword description + +2005-09-22 Dmitry V. Levin + + * modules/pam_xauth/pam_xauth.c: (check_acl, pam_sm_open_session, + pam_sm_close_session): Strip redundant "pam_xauth: " prefix from + text of log messages. + (pam_sm_open_session): Replace sequence of malloc(), strcpy() + and strcat() calls with asprintf(). Replace syslog() calls + with pam_syslog(). + + * modules/pam_nologin/pam_nologin.c (parse_args): Use strncmp() + instead of memcmp() for string comparison. + +2005-09-21 Dmitry V. Levin + + * modules/pam_nologin/pam_nologin.c: Include . + (parse_args): Add pam_handle_t* argument. Log unrecognized + options. + (perform_check): Log pam_get_user() and malloc() failures. + (pam_sm_authenticate, pam_sm_setcred, pam_sm_acct_mgmt): + Pass pam_handle_t* to parse_args(). + + * modules/pam_mail/pam_mail.c: Include . + Remove YOUR_MAIL_VERBOSE_FORMAT, YOUR_MAIL_STANDARD_FORMAT and + NO_MAIL_STANDARD_FORMAT macros. + (parse_args, get_folder): Cleanup error messages. + (get_folder): Fix leak of the path_mail variable in case of + pam_get_user() failure. Cleanup memory management. + (get_mail_status): Add pam_handle_t* argument. Fix leaks of + namelist variable. Cleanup memory management. Log memory + allocation failures. Remove 250-byte limit on Maildir pathname. + (report_mail): Mark text messages for translation. + (_do_mail): Cleanup memory management. Pass pam_handle_t* + to get_mail_status(). + + * po/Linux-PAM.pot: Update with new strings from pam_mail for + translation. + * po/cs.po: Likewise. + * po/de.po: Likewise. + * po/es.po: Likewise. + * po/fi.po: Likewise. + * po/fr.po: Likewise. + * po/hu.po: Likewise. + * po/it.po: Likewise. + * po/ja.po: Likewise. + * po/nb.po: Likewise. + * po/pa.po: Likewise. + * po/pl.po: Likewise. + * po/pt.po: Likewise. + * po/pt_BR.po: Likewise. + * po/zh_CN.po: Likewise. + * po/zh_TW.po: Likewise. + +2005-09-20 Thorsten Kukuk + + * configure.in: Add finish translation. + * po/fi.po: New. + + * acinclude.m4: remove libprelude macros. + * m4/libprelude.m4: New. + + * Makefile.am (EXTRA_DIST): make sure we include all m4 macros. + + * libpamc/Makefile.am (EXTRA_DIST): Add License. + +See CHANGELOG for earlier changes. diff --git a/Copyright b/Copyright new file mode 100644 index 0000000..12ff8c5 --- /dev/null +++ b/Copyright @@ -0,0 +1,40 @@ +Unless otherwise *explicitly* stated the following text describes the +licensed conditions under which the contents of this Linux-PAM release +may be distributed: + +------------------------------------------------------------------------- +Redistribution and use in source and binary forms of Linux-PAM, with +or without modification, are permitted provided that the following +conditions are met: + +1. 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Until the limitation is lifted, you can use this +workaround: + + CONFIG_SHELL=/bin/bash ./configure CONFIG_SHELL=/bin/bash + +'configure' Invocation +====================== + + 'configure' recognizes the following options to control how it +operates. + +'--help' +'-h' + Print a summary of all of the options to 'configure', and exit. + +'--help=short' +'--help=recursive' + Print a summary of the options unique to this package's + 'configure', and exit. The 'short' variant lists options used only + in the top level, while the 'recursive' variant lists options also + present in any nested packages. + +'--version' +'-V' + Print the version of Autoconf used to generate the 'configure' + script, and exit. + +'--cache-file=FILE' + Enable the cache: use and save the results of the tests in FILE, + traditionally 'config.cache'. FILE defaults to '/dev/null' to + disable caching. + +'--config-cache' +'-C' + Alias for '--cache-file=config.cache'. + +'--quiet' +'--silent' +'-q' + Do not print messages saying which checks are being made. To + suppress all normal output, redirect it to '/dev/null' (any error + messages will still be shown). + +'--srcdir=DIR' + Look for the package's source code in directory DIR. Usually + 'configure' can determine that directory automatically. + +'--prefix=DIR' + Use DIR as the installation prefix. *note Installation Names:: for + more details, including other options available for fine-tuning the + installation locations. + +'--no-create' +'-n' + Run the configure checks, but stop before creating any output + files. + +'configure' also accepts some other, not widely useful, options. Run +'configure --help' for more details. diff --git a/Make.xml.rules.in b/Make.xml.rules.in new file mode 100644 index 0000000..27bb510 --- /dev/null +++ b/Make.xml.rules.in @@ -0,0 +1,26 @@ +# +# Copyright (c) 2006 Thorsten Kukuk +# + +README: $(XMLS) + +README: README.xml + $(XSLTPROC) --path $(srcdir) --xinclude --stringparam generate.toc "none" @STRINGPARAM_VENDORDIR@ --nonet $(top_srcdir)/doc/custom-html.xsl $< | $(BROWSER) > $(srcdir)/$@ + +%.1: %.1.xml + $(XMLLINT) --nonet --xinclude --postvalid --noout $< + $(XSLTPROC) -o $(srcdir)/$@ --path $(srcdir) --xinclude @STRINGPARAM_VENDORDIR@ --nonet $(top_srcdir)/doc/custom-man.xsl $< + +%.3: %.3.xml + $(XMLLINT) --nonet --xinclude --postvalid --noout $< + $(XSLTPROC) -o $(srcdir)/$@ --path $(srcdir) --xinclude @STRINGPARAM_VENDORDIR@ --nonet $(top_srcdir)/doc/custom-man.xsl $< + +%.5: %.5.xml + $(XMLLINT) --nonet --xinclude --postvalid --noout $< + $(XSLTPROC) -o $(srcdir)/$@ --path $(srcdir) --xinclude @STRINGPARAM_VENDORDIR@ --nonet $(top_srcdir)/doc/custom-man.xsl $< + +%.8: %.8.xml + $(XMLLINT) --nonet --xinclude --postvalid --noout $< + $(XSLTPROC) -o $(srcdir)/$@ --path $(srcdir) --xinclude @STRINGPARAM_VENDORDIR@ @STRINGPARAM_HMAC@ --nonet $(top_srcdir)/doc/custom-man.xsl $< + +#CLEANFILES += $(man_MANS) README diff --git a/Makefile.am b/Makefile.am new file mode 100644 index 0000000..deb2526 --- /dev/null +++ b/Makefile.am @@ -0,0 +1,51 @@ +# +# Copyright (c) 2005, 2006, 2007 Thorsten Kukuk +# + +AUTOMAKE_OPTIONS = 1.9 gnu dist-xz no-dist-gzip check-news + +SUBDIRS = libpam tests libpamc libpam_misc modules po conf examples xtests + +if HAVE_DOC +SUBDIRS += doc +endif + +CLEANFILES = *~ + +EXTRA_DIST = pgp.keys.asc CHANGELOG ChangeLog-CVS Copyright + +ACLOCAL_AMFLAGS = -I m4 + +release: dist releasedocs + +release-docs: releasedocs + +releasedocs: + rm -rf Linux-PAM-$(VERSION) + mkdir -p Linux-PAM-$(VERSION)/doc + make -C doc releasedocs + tar Jfc Linux-PAM-$(VERSION)-docs.tar.xz \ + Linux-PAM-$(VERSION)/doc + rm -rf Linux-PAM-$(VERSION) + +xtests: + make -C xtests xtests + +.PHONY: xtests + +gen_changelog_start_date = 2011-10-26 +gen-ChangeLog: + if test -d .git; 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$(top_srcdir)/gitlog-to-changelog --append-dot \ + --since=$(gen_changelog_start_date) && \ + echo && echo && \ + echo 'See ChangeLog-CVS for earlier changes.' \ + ) > $(distdir)/ChangeLog.new && \ + rm -f $(distdir)/ChangeLog && \ + mv $(distdir)/ChangeLog.new $(distdir)/ChangeLog; \ + fi + +dist-hook: gen-ChangeLog +.PHONY: gen-ChangeLog + +export TAR_OPTIONS = --owner=0 --group=0 --numeric-owner --mode=go-w,go+rX + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/NEWS b/NEWS new file mode 100644 index 0000000..ca436ba --- /dev/null +++ b/NEWS @@ -0,0 +1,433 @@ +Linux-PAM NEWS -- history of user-visible changes. + +Release 1.5.2 +* pam_exec: implemented quiet_log option. +* pam_mkhomedir: added support of HOME_MODE and UMASK from /etc/login.defs. +* pam_timestamp: changed hmac algorithm to call openssl instead of the bundled + sha1 implementation if selected, added option to select + the hash algorithm to use with HMAC. +* Added pkgconfig files for provided libraries. +* Added --with-systemdunitdir configure option to specify systemd unit + directory. +* Added --with-misc-conv-bufsize configure option to specify the buffer size + in libpam_misc's misc_conv() function, raised the default value for this + parameter from 512 to 4096. +* Multiple minor bug fixes, portability fixes, documentation improvements, + and translation updates. + +Release 1.5.1 +* pam_unix: fixed CVE-2020-27780 - authentication bypass when a user + doesn't exist and root password is blank +* pam_faillock: added nodelay option to not set pam_fail_delay +* pam_wheel: use pam_modutil_user_in_group to check for the group membership + with getgrouplist where it is available + +Release 1.5.0 +* Multiple minor bug fixes, portability fixes, and documentation improvements. +* Extended libpam API with pam_modutil_check_user_in_passwd function. +* configure: added --disable-unix option to disable build of pam_unix module. +* pam_faillock: changed /run/faillock/$USER permissions from 0600 to 0660. +* pam_limits: added support for nonewprivs item. +* pam_motd: read motd files with target user credentials skipping unreadable ones. +* pam_pwhistory: added a SELinux helper executable. +* pam_unix, pam_usertype: implemented avoidance of certain timing attacks. +* pam_wheel: implemented PAM_RUSER fallback for the case when getlogin fails. +* Removed deprecated pam_cracklib module, use pam_passwdqc (from passwdqc project) + or pam_pwquality (from libpwquality project) instead. +* Removed deprecated pam_tally and pam_tally2 modules, use pam_faillock instead. +* pam_env: Reading of the user environment is deprecated and will be removed + at some point in the future. +* libpam: pam_modutil_drop_priv() now correctly sets the target user's + supplementary groups, allowing pam_motd to filter messages accordingly + +Release 1.4.0 +* Multiple minor bug fixes and documentation improvements +* Fixed grammar of messages printed via pam_prompt +* Added support for a vendor directory and libeconf +* configure: Added --enable-Werror option to enable -Werror build +* configure: Allowed disabling documentation through --disable-doc +* pam_get_authtok_verify: Avoid duplicate password verification +* pam_cracklib: Fixed parsing of options without arguments +* pam_env: Changed the default to not read the user .pam_environment file +* pam_exec: Require a user name to be specified before the command is executed +* pam_faillock: New module for locking after multiple auth failures +* pam_group, pam_time: Fixed logical error with multiple ! operators +* pam_keyinit: In pam_sm_setcred do the same as in pam_sm_open_session +* pam_lastlog: Do not log info about failed login if the session was opened + with PAM_SILENT flag +* pam_lastlog: Limit lastlog file use by LASTLOG_UID_MAX option in login.defs +* pam_lastlog: With 'unlimited' option prevent SIGXFSZ due to reduced 'fsize' + limit +* pam_mkhomedir: Fixed return value when the user is unknown +* pam_motd: Export MOTD_SHOWN=pam after showing MOTD +* pam_motd: Support multiple motd paths specified, with filename overrides +* pam_namespace: Added a systemd service, which creates the namespaced + instance parent directories during boot +* pam_namespace: Support for noexec, nosuid and nodev flags for tmpfs mounts +* pam_selinux: Check unknown object classes or permissions in current policy +* pam_selinux: Fall back to log to syslog if audit logging fails +* pam_setquota: New module to set or modify disk quotas on session start +* pam_shells: Recognize /bin/sh as the default shell +* pam_succeed_if: Fixed potential override of the default prompt +* pam_succeed_if: Support lists in group membership checks +* pam_time: Added conffile= option to specify an alternative configuration file +* pam_tty_audit: If kernel audit is disabled return PAM_IGNORE +* pam_umask: Added new 'nousergroups' module argument and allowed specifying + the default for usergroups at build-time +* pam_unix: Added 'nullresetok' option to allow resetting blank passwords +* pam_unix: Report unusable hashes found by checksalt to syslog +* pam_unix: Return PAM_AUTHINFO_UNAVAIL when shadow entry is unavailable +* pam_unix: Support for (gost-)yescrypt hashing methods +* pam_unix: Use bcrypt b-variant when it bcrypt is chosen +* pam_usertype: New module to tell if uid is in login.defs ranges +* Fixed and documented possible values returned by pam_get_user() +* Added new API call pam_start_confdir() for special applications that + cannot use the system-default PAM configuration paths and need to + explicitly specify another path +* Deprecated pam_cracklib: this module is no longer built by default and will + be removed in the next release, use pam_passwdqc (from passwdqc project) + or pam_pwquality (from libpwquality project) instead +* Deprecated pam_tally and pam_tally2: these modules are no longer built + by default and will be removed in the next release, use pam_faillock instead + +Release 1.3.1 +* pam_motd: add support for a motd.d directory +* pam_umask: Fix documentation to align with order of loading umask +* pam_get_user.3: Fix missing word in documentation +* pam_tally2 --reset: avoid creating a missing tallylog file +* pam_mkhomedir: Allow creating parent of homedir under / +* access.conf.5: Add note about spaces around ':' +* pam.8: Workaround formatting problem +* pam_unix: Check return value of malloc used for setcred data +* pam_cracklib: Drop unused prompt macros +* pam_tty_audit: Support matching users by uid range +* pam_access: support parsing files in /etc/security/access.d/*.conf +* pam_localuser: Correct documentation +* pam_issue: Fix no prompting in parse escape codes mode +* Unification and cleanup of syslog log levels + + +Release 1.3.0 +* Remove of static modules support +* pam_unix: pass_not_set was removed +* Lot of documentation fixes +* Use TI-RPC function calls if we build against libtirpc +* Add support for new, IPv6 enabled libnsl +* Lot of bug fixes +* Use fedora.zanata.org for translations + + +Release 1.2.1 +* Fix CVE-2015-3238, affected PAM modules are pam_unix and pam_exec + + +Release 1.2.0 +* Update documentation +* Update translations +* pam_unix: add quiet option +* libpam: support alternative configuration files in /usr/lib/pam.d + as fallback +* pam_env: add support for @{HOME} and @{SHELL} +* libpam: add grantor field to audit records +* libpam: Introduce pam_modutil_sanitize_helper_fds + + +Release 1.1.8 +* pam_unix: bug fix for compiling with SELinux, fix crash at login time + + +Release 1.1.7 +* Update translations +* pam_exec: add stdout and type= options +* pam_tty_audit: add options to control logging of passwords +* pam_unix: Read defaults from /etc/login.defs +* pam_userdb: Allow modern password hashes +* pam_selinux/pam_tally2: Add tty and rhost to audit data +* Lot of docu and code fixes + + +Release 1.1.6 +* Update translations +* pam_cracklib: Add more checks for weak passwords +* pam_lastlog: Never lock out root +* Lot of bug fixes and smaller enhancements + + +Release 1.1.5 +* pam_env: Fix CVE-2011-3148 and CVE-2011-3149 +* pam_access: Add hostname resolution cache +* Documentation: Improvements/fixes + + +Release 1.1.4 + +* Add vietnamese translation +* pam_namepace: Add new functionality +* pam_securetty: Honour console= kernel option, add noconsole option +* pam_limits: Add %group syntax, drop change_uid option, add set_all option +* Lot of small bug fixes +* Lot of compiler warnings fixed +* Add support for libtirpc + + +Release 1.1.3 + +* pam_namespace: Clean environment for child processes (CVE-2010-3853) +* libpam: New interface to drop/regain privileges +* Drop root privilegs in pam_env, pam_mail and pam_xauth before + accessing user files (CVE-2010-3430, CVE-2010-3431) +* pam_unix: Add minlen option, change default from 6 to 0 +* Documentation improvements +* Lot of small bug fixes + +Release 1.1.2 + +* pam_unix: Add minlen= option +* pam_group: Add support for UNIX groups beside netgroups +* pam_tally: Document that it is deprecated +* pam_rootok: Add support for chauthtok and acct_mgmt +* Update translations + +Release 1.1.1 + +* Update translations +* pam_access: Revert netgroup match to original behavior, add new + syntax for adding the local hostname to netgroup match +* libpam: Add new functions pam_get_authtok_noverify() and + pam_get_authtok_verify() +* Add sepermit.conf.5 manual page +* Lot of bug fixes + +Release 1.1.0 + +* Update translations +* Documentation updates and fixes + +Release 1.0.92 + +* Update translations +* pam_succeed_if: Use provided username +* pam_mkhomedir: Fix handling of options + +Release 1.0.91 + +* Fixed CVE-2009-0579 (minimum days limit on password change is ignored). +* Fix libpam internal config/argument parser +* Add optional file locking to pam_tally2 +* Update translations +* pam_access improvements +* Changes in the behavior of the password stack. Results of PRELIM_CHECK + are not used for the final run. + +Release 1.0.90 + +* Supply hostname of the machine to netgroup match call in pam_access +* Make pam_namespace to work safe on child directories of parent directories + owned by users +* Redefine LOCAL keyword of pam_access configuration file +* Add support for try_first_pass and use_first_pass to pam_cracklib +* Print informative messages for rejected login and add silent and + no_log_info options to pam_tally +* Add support for passing PAM_AUTHTOK to stdin of helpers from pam_exec +* New password quality tests in pam_cracklib +* New options for pam_lastlog to show last failed login attempt and + to disable lastlog update +* New pam_pwhistory module to store last used passwords +* New pam_tally2 module similar to pam_tally with wordsize independent + tally data format +* Make libpam not log missing module if its type is prepended with '-' +* New pam_timestamp module for authentication based on recent successful + login. +* Add blowfish support to pam_unix. +* Add support for user specific environment file to pam_env. +* Add pam_get_authtok to libpam as Linux-PAM extension. +* Rename type option of pam_cracklib to authtok_type. + +Release 1.0.3 + +* Small bug fix release + + +Release 1.0.2 + +* Regression fixed in pam_selinux +* Problem with big UIDs fixed in pam_loginuid + + +Release 1.0.1 + +* Regression fixed in pam_set_item() + + +Release 1.0.0 + +* Small bug fixes +* Translation updates + + +Release 0.99.10.0 + +* New substack directive in config file syntax. +* New module pam_tty_audit.so for enabling and disabling tty + auditing. +* New PAM items PAM_XDISPLAY and PAM_XAUTHDATA. +* Auditing login denials based by origin (pam_access), time (pam_time), + and number of sessions (pam_limits) to the Linux audit subsystem. +* Support sha256 and sha512 algorithms in pam_unix when they are supported + by crypt(). +* New pam_sepermit.so module for allowing/rejecting access based on + SELinux mode. +* Improved functionality of pam_namespace.so module (method flags, + namespace.d configuration directory, new options). +* Finally removed deprecated pam_rhosts_auth module. + + +Release 0.99.9.0 + +* misc_conv no longer blocks SIGINT; applications that don't want + user-interruptable prompts should block SIGINT themselves +* Merge fixes from Debian +* Fix parser for pam_group and pam_time + + +Release 0.99.8.1 + +* Fix a regression in audit code introduced with last release +* Fix compiling with --disable-nls + + +Release 0.99.8.0 + +* Add translations for ar, ca, da, ru, sv and zu. +* Update hungarian translation. +* Add support for limits.d directory to pam_limits. +* Improve pam_namespace module tobe more useful + for MLS, fixed crash with bad config files. +* Improve pam_selinux module to be more useful + for MLS. +* Add minclass option to pam_cracklib +* Add new group syntax to pam_access + + +Release 0.99.7.1 + +* Security fix for pam_unix.so (CVE-2007-0003). + + +Release 0.99.7.0 + +* Add manual page for pam_unix.so. +* Add pam_faildelay module to set pam_fail_delay() value. +* Fix possible seg.fault in libpam/pam_set_data(). +* Cleanup of configure options. +* Update hungarian translation, fix german translation. + + +Release 0.99.6.3 + +* pam_loginuid: New PAM module. +* pam_access, pam_succeed_if: Support passwd and session services. + + +Release 0.99.6.2 + +* pam_lastlog: Don't refuse login if lastlog file got lost. +* pam_cracklib: Fix a user triggerable crash. +* documentation: Regenerate with fixed docbook stylesheet. + + +Release 0.99.6.1 + +* Fix bootstrapping problems. +* Bug fixes: pam_keyinit, pam_umask + + +Release 0.99.6.0 + +* pam_namespace: Code cleanup, add init script to tar archive. +* pam_succeed_if: Add support for service match. +* Add xtests (to run after installation). +* Documentation: Convert sgml guides to XML, unify documentation + for PAM functions and modules. + + +Release 0.99.5.0 + +* pam_tally: Fix support for large UIDs +* Fixed all problems found by Coverity +* Add support for Intel C Compiler +* Add manual page for pam_mkhomedir, pam_umask, pam_filter, + pam_issue, pam_ftp, pam_group, pam_lastlog, pam_listfile, + pam_localuser, pam_mail, pam_motd, pam_nologin, pam_permit, + pam_rootok, pam_securetty, pam_shells, pam_userdb, pam_warn, + pam_time, pam_limits, pam_debug, pam_tally +* The libpam memory debug code was removed +* pam_keyinit: New module to initialise kernel session keyring. +* pam_namespace: New module to configure private namespace for a session. +* pam_rhosts: New module which replaces pam_rhosts_auth, now IPv6 capable. +* pam_rhosts_auth: This module is now deprecated. + + +Release 0.99.4.0 + +* Add test suite +* Fix building of static variants of libpam, libpamc and libpam_misc +* pam_listfile: Add support for password and session management +* pam_exec: New PAM module to execute arbitrary commands +* Fix building of a static libpam including all PAM modules +* New/updated translations for: nl, pt, pl, fi, km, tr, uk, fr +* pam_access: Add network(address) / netmask and IPv6 support +* Add manual pages for pam_cracklib, pam_deny and pam_access +* pam_pwdb: This deprecated module was removed +* Manual pages: Major rewrite/cleanup + + +Release 0.99.3.0 + +* Fix NULL pointer checks in libpam.so +* pam_succeed_if, pam_group, pam_time: Support netgroup matching +* New translations for: nb, hu, fi, de, es, fr, it, ja, pt_BR, zh_CN, zh_TW +* Audit PAM calls if Linux Audit is available +* Compile upperLOWER and unix_chkpwd as PIE binaries + + +Release 0.99.2.1 + +* Fix install of PS, PDF, TXT and HTML files +* pam_mail: Update README +* Use %m consistent +* pam_modutil_getlogin: Fix parsing of PAM_TTY variable + + +Release 0.99.2.0 + +* Fix parsing of full path tty name in various modules +* pam_xauth: Look for xauth executable in multiple places +* pam_unix: Disable user check in unix_chkpwd only if real uid + is 0 (CVE-2005-2977). Log failed password check attempt. +* pam_env: Support /etc/environment again, but don't treat it as + error if it is missing. +* pam_userdb: Fix memory leak. + + +Release 0.99.1.0 + +* Use autoconf/automake/libtool +* Add gettext support +* Add translations for cs, de, es, fr, hu, it, ja, nb, pa, pt_BR, + pt, zh_CN and zh_TW +* libpam: Remove pam_authenticate_secondary stub +* libpam: Add pam_prompt,pam_vprompt,pam_error,pam_verror,pam_info + and pam_vinfo functions for use by modules as extension +* libpam: Add pam_syslog function for unified syslog messages from + PAM modules +* libpam: Moved functions from pammodutil to libpam +* pam_umask: New module for setting umask from GECOS field, /etc/login.defs + or /etc/default/login +* pam_echo: New PAM module for message output +* pam_userdb: Fix regression (crash when crypt param not specified) +* pam_limits: Fix regression from RLIMIT_NICE support (wrong limit + values for other limits are applied) +* pam_access: Support for NULL tty - matches ALL and NONE keywords +* pam_lastlog: Enable log to wtmp by default. Add "nowtmp" option +* pam_radius: This module was removed diff --git a/README b/README new file mode 100644 index 0000000..21af8c4 --- /dev/null +++ b/README @@ -0,0 +1,63 @@ +Hello! + +Thanks for downloading Linux-PAM. + +NOTES: + +How to use it is as follows: + +Please look at the ci/install_dependencies.sh for the necessary +prerequisite packages to be able to build the Linux-PAM. The script +is targeted at Debian based Linux distributions so the package +names and availability might differ on other distributions. + +If you check out the sources from git, install Autotools and generate +configuration scripts, ensuring you have the minimum packages installed, +the ci scripts may help here: + + ./autogen.sh + +Then compile: + + ./configure --help | less + ./configure + make + +To make sure everything was compiled correct, run: + + make check + +If a test fails, you should not continue to install this build. +These tests require a suitable file /etc/pam.d/other; if necessary, +create such a file containing, e.g., these five lines (not indented) + + #%PAM-1.0 + auth required pam_deny.so + account required pam_deny.so + password required pam_deny.so + session required pam_deny.so + + +Note, if you are worried - don't even think about doing the next line +(most Linux distributions already support PAM out of the box, so if +something goes wrong with installing the code from this version your +box may stop working..) + + make install + +That said, please report problems to the bug reporting database +at https://github.com/linux-pam/linux-pam/issues . + +You can run additional checks after installing by executing + + make xtests + +as root. + +WARNING: Running "make xtests" can overwrite configuration data +or make the system insecure/unfunctional for a short time! +Backup all important data before! + +To regenerate manual pages from the XML source files you need the +docbook-xsl stylesheets in version 1.69.1 or newer, older versions had +a bug which generates a broken layout. diff --git a/aclocal.m4 b/aclocal.m4 new file mode 100644 index 0000000..1df7040 --- /dev/null +++ b/aclocal.m4 @@ -0,0 +1,1449 @@ +# generated automatically by aclocal 1.16.3 -*- Autoconf -*- + +# Copyright (C) 1996-2020 Free Software Foundation, Inc. + +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) +m4_ifndef([AC_AUTOCONF_VERSION], + [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl +m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],, +[m4_warning([this file was generated for autoconf 2.69. +You have another version of autoconf. It may work, but is not guaranteed to. +If you have problems, you may need to regenerate the build system entirely. +To do so, use the procedure documented by the package, typically 'autoreconf'.])]) + +# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*- +# serial 12 (pkg-config-0.29.2) + +dnl Copyright © 2004 Scott James Remnant . +dnl Copyright © 2012-2015 Dan Nicholson +dnl +dnl This program is free software; you can redistribute it and/or modify +dnl it under the terms of the GNU General Public License as published by +dnl the Free Software Foundation; either version 2 of the License, or +dnl (at your option) any later version. +dnl +dnl This program is distributed in the hope that it will be useful, but +dnl WITHOUT ANY WARRANTY; without even the implied warranty of +dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +dnl General Public License for more details. +dnl +dnl You should have received a copy of the GNU General Public License +dnl along with this program; if not, write to the Free Software +dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +dnl 02111-1307, USA. +dnl +dnl As a special exception to the GNU General Public License, if you +dnl distribute this file as part of a program that contains a +dnl configuration script generated by Autoconf, you may include it under +dnl the same distribution terms that you use for the rest of that +dnl program. + +dnl PKG_PREREQ(MIN-VERSION) +dnl ----------------------- +dnl Since: 0.29 +dnl +dnl Verify that the version of the pkg-config macros are at least +dnl MIN-VERSION. Unlike PKG_PROG_PKG_CONFIG, which checks the user's +dnl installed version of pkg-config, this checks the developer's version +dnl of pkg.m4 when generating configure. +dnl +dnl To ensure that this macro is defined, also add: +dnl m4_ifndef([PKG_PREREQ], +dnl [m4_fatal([must install pkg-config 0.29 or later before running autoconf/autogen])]) +dnl +dnl See the "Since" comment for each macro you use to see what version +dnl of the macros you require. +m4_defun([PKG_PREREQ], +[m4_define([PKG_MACROS_VERSION], [0.29.2]) +m4_if(m4_version_compare(PKG_MACROS_VERSION, [$1]), -1, + [m4_fatal([pkg.m4 version $1 or higher is required but ]PKG_MACROS_VERSION[ found])]) +])dnl PKG_PREREQ + +dnl PKG_PROG_PKG_CONFIG([MIN-VERSION]) +dnl ---------------------------------- +dnl Since: 0.16 +dnl +dnl Search for the pkg-config tool and set the PKG_CONFIG variable to +dnl first found in the path. Checks that the version of pkg-config found +dnl is at least MIN-VERSION. If MIN-VERSION is not specified, 0.9.0 is +dnl used since that's the first version where most current features of +dnl pkg-config existed. +AC_DEFUN([PKG_PROG_PKG_CONFIG], +[m4_pattern_forbid([^_?PKG_[A-Z_]+$]) +m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$]) +m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$]) +AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility]) +AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path]) +AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path]) + +if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then + AC_PATH_TOOL([PKG_CONFIG], [pkg-config]) +fi +if test -n "$PKG_CONFIG"; then + _pkg_min_version=m4_default([$1], [0.9.0]) + AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version]) + if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + PKG_CONFIG="" + fi +fi[]dnl +])dnl PKG_PROG_PKG_CONFIG + +dnl PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +dnl ------------------------------------------------------------------- +dnl Since: 0.18 +dnl +dnl Check to see whether a particular set of modules exists. Similar to +dnl PKG_CHECK_MODULES(), but does not set variables or print errors. +dnl +dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG]) +dnl only at the first occurence in configure.ac, so if the first place +dnl it's called might be skipped (such as if it is within an "if", you +dnl have to call PKG_CHECK_EXISTS manually +AC_DEFUN([PKG_CHECK_EXISTS], +[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl +if test -n "$PKG_CONFIG" && \ + AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then + m4_default([$2], [:]) +m4_ifvaln([$3], [else + $3])dnl +fi]) + +dnl _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES]) +dnl --------------------------------------------- +dnl Internal wrapper calling pkg-config via PKG_CONFIG and setting +dnl pkg_failed based on the result. +m4_define([_PKG_CONFIG], +[if test -n "$$1"; then + pkg_cv_[]$1="$$1" + elif test -n "$PKG_CONFIG"; then + PKG_CHECK_EXISTS([$3], + [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes ], + [pkg_failed=yes]) + else + pkg_failed=untried +fi[]dnl +])dnl _PKG_CONFIG + +dnl _PKG_SHORT_ERRORS_SUPPORTED +dnl --------------------------- +dnl Internal check to see if pkg-config supports short errors. +AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED], +[AC_REQUIRE([PKG_PROG_PKG_CONFIG]) +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi[]dnl +])dnl _PKG_SHORT_ERRORS_SUPPORTED + + +dnl PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], +dnl [ACTION-IF-NOT-FOUND]) +dnl -------------------------------------------------------------- +dnl Since: 0.4.0 +dnl +dnl Note that if there is a possibility the first call to +dnl PKG_CHECK_MODULES might not happen, you should be sure to include an +dnl explicit call to PKG_PROG_PKG_CONFIG in your configure.ac +AC_DEFUN([PKG_CHECK_MODULES], +[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl +AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl +AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl + +pkg_failed=no +AC_MSG_CHECKING([for $2]) + +_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2]) +_PKG_CONFIG([$1][_LIBS], [libs], [$2]) + +m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS +and $1[]_LIBS to avoid the need to call pkg-config. +See the pkg-config man page for more details.]) + +if test $pkg_failed = yes; then + AC_MSG_RESULT([no]) + _PKG_SHORT_ERRORS_SUPPORTED + if test $_pkg_short_errors_supported = yes; then + $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1` + else + $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD + + m4_default([$4], [AC_MSG_ERROR( +[Package requirements ($2) were not met: + +$$1_PKG_ERRORS + +Consider adjusting the PKG_CONFIG_PATH environment variable if you +installed software in a non-standard prefix. + +_PKG_TEXT])[]dnl + ]) +elif test $pkg_failed = untried; then + AC_MSG_RESULT([no]) + m4_default([$4], [AC_MSG_FAILURE( +[The pkg-config script could not be found or is too old. Make sure it +is in your PATH or set the PKG_CONFIG environment variable to the full +path to pkg-config. + +_PKG_TEXT + +To get pkg-config, see .])[]dnl + ]) +else + $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS + $1[]_LIBS=$pkg_cv_[]$1[]_LIBS + AC_MSG_RESULT([yes]) + $3 +fi[]dnl +])dnl PKG_CHECK_MODULES + + +dnl PKG_CHECK_MODULES_STATIC(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND], +dnl [ACTION-IF-NOT-FOUND]) +dnl --------------------------------------------------------------------- +dnl Since: 0.29 +dnl +dnl Checks for existence of MODULES and gathers its build flags with +dnl static libraries enabled. 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We just wanted to have am__tar + # and am__untar set. + test -n "${am_cv_prog_tar_$1}" && break + + # tar/untar a dummy directory, and stop if the command works. + rm -rf conftest.dir + mkdir conftest.dir + echo GrepMe > conftest.dir/file + AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) + rm -rf conftest.dir + if test -s conftest.tar; then + AM_RUN_LOG([$am__untar /dev/null 2>&1 && break + fi + done + rm -rf conftest.dir + + AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) + AC_MSG_RESULT([$am_cv_prog_tar_$1])]) + +AC_SUBST([am__tar]) +AC_SUBST([am__untar]) +]) # _AM_PROG_TAR + +m4_include([m4/attribute.m4]) +m4_include([m4/gettext.m4]) +m4_include([m4/iconv.m4]) +m4_include([m4/intlmacosx.m4]) +m4_include([m4/jh_path_xml_catalog.m4]) +m4_include([m4/ld-O1.m4]) +m4_include([m4/ld-as-needed.m4]) +m4_include([m4/ld-no-undefined.m4]) +m4_include([m4/ld-z-now.m4]) +m4_include([m4/lib-ld.m4]) +m4_include([m4/lib-link.m4]) +m4_include([m4/lib-prefix.m4]) +m4_include([m4/libprelude.m4]) +m4_include([m4/libtool.m4]) +m4_include([m4/ltoptions.m4]) +m4_include([m4/ltsugar.m4]) +m4_include([m4/ltversion.m4]) +m4_include([m4/lt~obsolete.m4]) +m4_include([m4/nls.m4]) +m4_include([m4/po.m4]) +m4_include([m4/progtest.m4]) +m4_include([m4/warn_lang_flags.m4]) +m4_include([m4/warnings.m4]) diff --git a/build-aux/compile b/build-aux/compile new file mode 100755 index 0000000..23fcba0 --- /dev/null +++ b/build-aux/compile @@ -0,0 +1,348 @@ +#! /bin/sh +# Wrapper for compilers which do not understand '-c -o'. + +scriptversion=2018-03-07.03; # UTC + +# Copyright (C) 1999-2020 Free Software Foundation, Inc. +# Written by Tom Tromey . +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# This file is maintained in Automake, please report +# bugs to or send patches to +# . + +nl=' +' + +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent tools from complaining about whitespace usage. +IFS=" "" $nl" + +file_conv= + +# func_file_conv build_file lazy +# Convert a $build file to $host form and store it in $file +# Currently only supports Windows hosts. If the determined conversion +# type is listed in (the comma separated) LAZY, no conversion will +# take place. +func_file_conv () +{ + file=$1 + case $file in + / | /[!/]*) # absolute file, and not a UNC file + if test -z "$file_conv"; then + # lazily determine how to convert abs files + case `uname -s` in + MINGW*) + file_conv=mingw + ;; + CYGWIN* | MSYS*) + file_conv=cygwin + ;; + *) + file_conv=wine + ;; + esac + fi + case $file_conv/,$2, in + *,$file_conv,*) + ;; + mingw/*) + file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'` + ;; + cygwin/* | msys/*) + file=`cygpath -m "$file" || echo "$file"` + ;; + wine/*) + file=`winepath -w "$file" || echo "$file"` + ;; + esac + ;; + esac +} + +# func_cl_dashL linkdir +# Make cl look for libraries in LINKDIR +func_cl_dashL () +{ + func_file_conv "$1" + if test -z "$lib_path"; then + lib_path=$file + else + lib_path="$lib_path;$file" + fi + linker_opts="$linker_opts -LIBPATH:$file" +} + +# func_cl_dashl library +# Do a library search-path lookup for cl +func_cl_dashl () +{ + lib=$1 + found=no + save_IFS=$IFS + IFS=';' + for dir in $lib_path $LIB + do + IFS=$save_IFS + if $shared && test -f "$dir/$lib.dll.lib"; then + found=yes + lib=$dir/$lib.dll.lib + break + fi + if test -f "$dir/$lib.lib"; then + found=yes + lib=$dir/$lib.lib + break + fi + if test -f "$dir/lib$lib.a"; then + found=yes + lib=$dir/lib$lib.a + break + fi + done + IFS=$save_IFS + + if test "$found" != yes; then + lib=$lib.lib + fi +} + +# func_cl_wrapper cl arg... +# Adjust compile command to suit cl +func_cl_wrapper () +{ + # Assume a capable shell + lib_path= + shared=: + linker_opts= + for arg + do + if test -n "$eat"; then + eat= + else + case $1 in + -o) + # configure might choose to run compile as 'compile cc -o foo foo.c'. + eat=1 + case $2 in + *.o | *.[oO][bB][jJ]) + func_file_conv "$2" + set x "$@" -Fo"$file" + shift + ;; + *) + func_file_conv "$2" + set x "$@" -Fe"$file" + shift + ;; + esac + ;; + -I) + eat=1 + func_file_conv "$2" mingw + set x "$@" -I"$file" + shift + ;; + -I*) + func_file_conv "${1#-I}" mingw + set x "$@" -I"$file" + shift + ;; + -l) + eat=1 + func_cl_dashl "$2" + set x "$@" "$lib" + shift + ;; + -l*) + func_cl_dashl "${1#-l}" + set x "$@" "$lib" + shift + ;; + -L) + eat=1 + func_cl_dashL "$2" + ;; + -L*) + func_cl_dashL "${1#-L}" + ;; + -static) + shared=false + ;; + -Wl,*) + arg=${1#-Wl,} + save_ifs="$IFS"; IFS=',' + for flag in $arg; do + IFS="$save_ifs" + linker_opts="$linker_opts $flag" + done + IFS="$save_ifs" + ;; + -Xlinker) + eat=1 + linker_opts="$linker_opts $2" + ;; + -*) + set x "$@" "$1" + shift + ;; + *.cc | *.CC | *.cxx | *.CXX | *.[cC]++) + func_file_conv "$1" + set x "$@" -Tp"$file" + shift + ;; + *.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO]) + func_file_conv "$1" mingw + set x "$@" "$file" + shift + ;; + *) + set x "$@" "$1" + shift + ;; + esac + fi + shift + done + if test -n "$linker_opts"; then + linker_opts="-link$linker_opts" + fi + exec "$@" $linker_opts + exit 1 +} + +eat= + +case $1 in + '') + echo "$0: No command. Try '$0 --help' for more information." 1>&2 + exit 1; + ;; + -h | --h*) + cat <<\EOF +Usage: compile [--help] [--version] PROGRAM [ARGS] + +Wrapper for compilers which do not understand '-c -o'. +Remove '-o dest.o' from ARGS, run PROGRAM with the remaining +arguments, and rename the output as expected. + +If you are trying to build a whole package this is not the +right script to run: please start by reading the file 'INSTALL'. + +Report bugs to . +EOF + exit $? + ;; + -v | --v*) + echo "compile $scriptversion" + exit $? + ;; + cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \ + icl | *[/\\]icl | icl.exe | *[/\\]icl.exe ) + func_cl_wrapper "$@" # Doesn't return... + ;; +esac + +ofile= +cfile= + +for arg +do + if test -n "$eat"; then + eat= + else + case $1 in + -o) + # configure might choose to run compile as 'compile cc -o foo foo.c'. + # So we strip '-o arg' only if arg is an object. + eat=1 + case $2 in + *.o | *.obj) + ofile=$2 + ;; + *) + set x "$@" -o "$2" + shift + ;; + esac + ;; + *.c) + cfile=$1 + set x "$@" "$1" + shift + ;; + *) + set x "$@" "$1" + shift + ;; + esac + fi + shift +done + +if test -z "$ofile" || test -z "$cfile"; then + # If no '-o' option was seen then we might have been invoked from a + # pattern rule where we don't need one. That is ok -- this is a + # normal compilation that the losing compiler can handle. If no + # '.c' file was seen then we are probably linking. That is also + # ok. + exec "$@" +fi + +# Name of file we expect compiler to create. +cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'` + +# Create the lock directory. +# Note: use '[/\\:.-]' here to ensure that we don't use the same name +# that we are using for the .o file. Also, base the name on the expected +# object file name, since that is what matters with a parallel build. +lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d +while true; do + if mkdir "$lockdir" >/dev/null 2>&1; then + break + fi + sleep 1 +done +# FIXME: race condition here if user kills between mkdir and trap. +trap "rmdir '$lockdir'; exit 1" 1 2 15 + +# Run the compile. +"$@" +ret=$? + +if test -f "$cofile"; then + test "$cofile" = "$ofile" || mv "$cofile" "$ofile" +elif test -f "${cofile}bj"; then + test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" +fi + +rmdir "$lockdir" +exit $ret + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'before-save-hook 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC0" +# time-stamp-end: "; # UTC" +# End: diff --git a/build-aux/config.guess b/build-aux/config.guess new file mode 100755 index 0000000..e81d3ae --- /dev/null +++ b/build-aux/config.guess @@ -0,0 +1,1748 @@ +#! /bin/sh +# Attempt to guess a canonical system name. +# Copyright 1992-2021 Free Software Foundation, Inc. + +# shellcheck disable=SC2006,SC2268 # see below for rationale + +timestamp='2021-06-03' + +# This file is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see . +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that +# program. This Exception is an additional permission under section 7 +# of the GNU General Public License, version 3 ("GPLv3"). +# +# Originally written by Per Bothner; maintained since 2000 by Ben Elliston. +# +# You can get the latest version of this script from: +# https://git.savannah.gnu.org/cgit/config.git/plain/config.guess +# +# Please send patches to . + + +# The "shellcheck disable" line above the timestamp inhibits complaints +# about features and limitations of the classic Bourne shell that were +# superseded or lifted in POSIX. However, this script identifies a wide +# variety of pre-POSIX systems that do not have POSIX shells at all, and +# even some reasonably current systems (Solaris 10 as case-in-point) still +# have a pre-POSIX /bin/sh. + + +me=`echo "$0" | sed -e 's,.*/,,'` + +usage="\ +Usage: $0 [OPTION] + +Output the configuration name of the system \`$me' is run on. + +Options: + -h, --help print this help, then exit + -t, --time-stamp print date of last modification, then exit + -v, --version print version number, then exit + +Report bugs and patches to ." + +version="\ +GNU config.guess ($timestamp) + +Originally written by Per Bothner. +Copyright 1992-2021 Free Software Foundation, Inc. + +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." + +help=" +Try \`$me --help' for more information." + +# Parse command line +while test $# -gt 0 ; do + case $1 in + --time-stamp | --time* | -t ) + echo "$timestamp" ; exit ;; + --version | -v ) + echo "$version" ; exit ;; + --help | --h* | -h ) + echo "$usage"; exit ;; + -- ) # Stop option processing + shift; break ;; + - ) # Use stdin as input. + break ;; + -* ) + echo "$me: invalid option $1$help" >&2 + exit 1 ;; + * ) + break ;; + esac +done + +if test $# != 0; then + echo "$me: too many arguments$help" >&2 + exit 1 +fi + +# Just in case it came from the environment. +GUESS= + +# CC_FOR_BUILD -- compiler used by this script. Note that the use of a +# compiler to aid in system detection is discouraged as it requires +# temporary files to be created and, as you can see below, it is a +# headache to deal with in a portable fashion. + +# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still +# use `HOST_CC' if defined, but it is deprecated. + +# Portable tmp directory creation inspired by the Autoconf team. + +tmp= +# shellcheck disable=SC2172 +trap 'test -z "$tmp" || rm -fr "$tmp"' 0 1 2 13 15 + +set_cc_for_build() { + # prevent multiple calls if $tmp is already set + test "$tmp" && return 0 + : "${TMPDIR=/tmp}" + # shellcheck disable=SC2039,SC3028 + { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } || + { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir "$tmp" 2>/dev/null) ; } || + { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir "$tmp" 2>/dev/null) && echo "Warning: creating insecure temp directory" >&2 ; } || + { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } + dummy=$tmp/dummy + case ${CC_FOR_BUILD-},${HOST_CC-},${CC-} in + ,,) echo "int x;" > "$dummy.c" + for driver in cc gcc c89 c99 ; do + if ($driver -c -o "$dummy.o" "$dummy.c") >/dev/null 2>&1 ; then + CC_FOR_BUILD=$driver + break + fi + done + if test x"$CC_FOR_BUILD" = x ; then + CC_FOR_BUILD=no_compiler_found + fi + ;; + ,,*) CC_FOR_BUILD=$CC ;; + ,*,*) CC_FOR_BUILD=$HOST_CC ;; + esac +} + +# This is needed to find uname on a Pyramid OSx when run in the BSD universe. +# (ghazi@noc.rutgers.edu 1994-08-24) +if test -f /.attbin/uname ; then + PATH=$PATH:/.attbin ; export PATH +fi + +UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown +UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown +UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown +UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown + +case $UNAME_SYSTEM in +Linux|GNU|GNU/*) + LIBC=unknown + + set_cc_for_build + cat <<-EOF > "$dummy.c" + #include + #if defined(__UCLIBC__) + LIBC=uclibc + #elif defined(__dietlibc__) + LIBC=dietlibc + #elif defined(__GLIBC__) + LIBC=gnu + #else + #include + /* First heuristic to detect musl libc. */ + #ifdef __DEFINED_va_list + LIBC=musl + #endif + #endif + EOF + cc_set_libc=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^LIBC' | sed 's, ,,g'` + eval "$cc_set_libc" + + # Second heuristic to detect musl libc. + if [ "$LIBC" = unknown ] && + command -v ldd >/dev/null && + ldd --version 2>&1 | grep -q ^musl; then + LIBC=musl + fi + + # If the system lacks a compiler, then just pick glibc. + # We could probably try harder. + if [ "$LIBC" = unknown ]; then + LIBC=gnu + fi + ;; +esac + +# Note: order is significant - the case branches are not exclusive. + +case $UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION in + *:NetBSD:*:*) + # NetBSD (nbsd) targets should (where applicable) match one or + # more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*, + # *-*-netbsdecoff* and *-*-netbsd*. For targets that recently + # switched to ELF, *-*-netbsd* would select the old + # object file format. This provides both forward + # compatibility and a consistent mechanism for selecting the + # object file format. + # + # Note: NetBSD doesn't particularly care about the vendor + # portion of the name. We always set it to "unknown". + UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \ + /sbin/sysctl -n hw.machine_arch 2>/dev/null || \ + /usr/sbin/sysctl -n hw.machine_arch 2>/dev/null || \ + echo unknown)` + case $UNAME_MACHINE_ARCH in + aarch64eb) machine=aarch64_be-unknown ;; + armeb) machine=armeb-unknown ;; + arm*) machine=arm-unknown ;; + sh3el) machine=shl-unknown ;; + sh3eb) machine=sh-unknown ;; + sh5el) machine=sh5le-unknown ;; + earmv*) + arch=`echo "$UNAME_MACHINE_ARCH" | sed -e 's,^e\(armv[0-9]\).*$,\1,'` + endian=`echo "$UNAME_MACHINE_ARCH" | sed -ne 's,^.*\(eb\)$,\1,p'` + machine=${arch}${endian}-unknown + ;; + *) machine=$UNAME_MACHINE_ARCH-unknown ;; + esac + # The Operating System including object format, if it has switched + # to ELF recently (or will in the future) and ABI. + case $UNAME_MACHINE_ARCH in + earm*) + os=netbsdelf + ;; + arm*|i386|m68k|ns32k|sh3*|sparc|vax) + set_cc_for_build + if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ELF__ + then + # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout). + # Return netbsd for either. FIX? + os=netbsd + else + os=netbsdelf + fi + ;; + *) + os=netbsd + ;; + esac + # Determine ABI tags. + case $UNAME_MACHINE_ARCH in + earm*) + expr='s/^earmv[0-9]/-eabi/;s/eb$//' + abi=`echo "$UNAME_MACHINE_ARCH" | sed -e "$expr"` + ;; + esac + # The OS release + # Debian GNU/NetBSD machines have a different userland, and + # thus, need a distinct triplet. However, they do not need + # kernel version information, so it can be replaced with a + # suitable tag, in the style of linux-gnu. + case $UNAME_VERSION in + Debian*) + release='-gnu' + ;; + *) + release=`echo "$UNAME_RELEASE" | sed -e 's/[-_].*//' | cut -d. -f1,2` + ;; + esac + # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM: + # contains redundant information, the shorter form: + # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used. + GUESS=$machine-${os}${release}${abi-} + ;; + *:Bitrig:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'` + GUESS=$UNAME_MACHINE_ARCH-unknown-bitrig$UNAME_RELEASE + ;; + *:OpenBSD:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'` + GUESS=$UNAME_MACHINE_ARCH-unknown-openbsd$UNAME_RELEASE + ;; + *:SecBSD:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/SecBSD.//'` + GUESS=$UNAME_MACHINE_ARCH-unknown-secbsd$UNAME_RELEASE + ;; + *:LibertyBSD:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/^.*BSD\.//'` + GUESS=$UNAME_MACHINE_ARCH-unknown-libertybsd$UNAME_RELEASE + ;; + *:MidnightBSD:*:*) + GUESS=$UNAME_MACHINE-unknown-midnightbsd$UNAME_RELEASE + ;; + *:ekkoBSD:*:*) + GUESS=$UNAME_MACHINE-unknown-ekkobsd$UNAME_RELEASE + ;; + *:SolidBSD:*:*) + GUESS=$UNAME_MACHINE-unknown-solidbsd$UNAME_RELEASE + ;; + *:OS108:*:*) + GUESS=$UNAME_MACHINE-unknown-os108_$UNAME_RELEASE + ;; + macppc:MirBSD:*:*) + GUESS=powerpc-unknown-mirbsd$UNAME_RELEASE + ;; + *:MirBSD:*:*) + GUESS=$UNAME_MACHINE-unknown-mirbsd$UNAME_RELEASE + ;; + *:Sortix:*:*) + GUESS=$UNAME_MACHINE-unknown-sortix + ;; + *:Twizzler:*:*) + GUESS=$UNAME_MACHINE-unknown-twizzler + ;; + *:Redox:*:*) + GUESS=$UNAME_MACHINE-unknown-redox + ;; + mips:OSF1:*.*) + GUESS=mips-dec-osf1 + ;; + alpha:OSF1:*:*) + # Reset EXIT trap before exiting to avoid spurious non-zero exit code. + trap '' 0 + case $UNAME_RELEASE in + *4.0) + UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'` + ;; + *5.*) + UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'` + ;; + esac + # According to Compaq, /usr/sbin/psrinfo has been available on + # OSF/1 and Tru64 systems produced since 1995. I hope that + # covers most systems running today. This code pipes the CPU + # types through head -n 1, so we only detect the type of CPU 0. + ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^ The alpha \(.*\) processor.*$/\1/p' | head -n 1` + case $ALPHA_CPU_TYPE in + "EV4 (21064)") + UNAME_MACHINE=alpha ;; + "EV4.5 (21064)") + UNAME_MACHINE=alpha ;; + "LCA4 (21066/21068)") + UNAME_MACHINE=alpha ;; + "EV5 (21164)") + UNAME_MACHINE=alphaev5 ;; + "EV5.6 (21164A)") + UNAME_MACHINE=alphaev56 ;; + "EV5.6 (21164PC)") + UNAME_MACHINE=alphapca56 ;; + "EV5.7 (21164PC)") + UNAME_MACHINE=alphapca57 ;; + "EV6 (21264)") + UNAME_MACHINE=alphaev6 ;; + "EV6.7 (21264A)") + UNAME_MACHINE=alphaev67 ;; + "EV6.8CB (21264C)") + UNAME_MACHINE=alphaev68 ;; + "EV6.8AL (21264B)") + UNAME_MACHINE=alphaev68 ;; + "EV6.8CX (21264D)") + UNAME_MACHINE=alphaev68 ;; + "EV6.9A (21264/EV69A)") + UNAME_MACHINE=alphaev69 ;; + "EV7 (21364)") + UNAME_MACHINE=alphaev7 ;; + "EV7.9 (21364A)") + UNAME_MACHINE=alphaev79 ;; + esac + # A Pn.n version is a patched version. + # A Vn.n version is a released version. + # A Tn.n version is a released field test version. + # A Xn.n version is an unreleased experimental baselevel. + # 1.2 uses "1.2" for uname -r. + OSF_REL=`echo "$UNAME_RELEASE" | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz` + GUESS=$UNAME_MACHINE-dec-osf$OSF_REL + ;; + Amiga*:UNIX_System_V:4.0:*) + GUESS=m68k-unknown-sysv4 + ;; + *:[Aa]miga[Oo][Ss]:*:*) + GUESS=$UNAME_MACHINE-unknown-amigaos + ;; + *:[Mm]orph[Oo][Ss]:*:*) + GUESS=$UNAME_MACHINE-unknown-morphos + ;; + *:OS/390:*:*) + GUESS=i370-ibm-openedition + ;; + *:z/VM:*:*) + GUESS=s390-ibm-zvmoe + ;; + *:OS400:*:*) + GUESS=powerpc-ibm-os400 + ;; + arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*) + GUESS=arm-acorn-riscix$UNAME_RELEASE + ;; + arm*:riscos:*:*|arm*:RISCOS:*:*) + GUESS=arm-unknown-riscos + ;; + SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*) + GUESS=hppa1.1-hitachi-hiuxmpp + ;; + Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*) + # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE. + case `(/bin/universe) 2>/dev/null` in + att) GUESS=pyramid-pyramid-sysv3 ;; + *) GUESS=pyramid-pyramid-bsd ;; + esac + ;; + NILE*:*:*:dcosx) + GUESS=pyramid-pyramid-svr4 + ;; + DRS?6000:unix:4.0:6*) + GUESS=sparc-icl-nx6 + ;; + DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*) + case `/usr/bin/uname -p` in + sparc) GUESS=sparc-icl-nx7 ;; + esac + ;; + s390x:SunOS:*:*) + SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'` + GUESS=$UNAME_MACHINE-ibm-solaris2$SUN_REL + ;; + sun4H:SunOS:5.*:*) + SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'` + GUESS=sparc-hal-solaris2$SUN_REL + ;; + sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*) + SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'` + GUESS=sparc-sun-solaris2$SUN_REL + ;; + i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*) + GUESS=i386-pc-auroraux$UNAME_RELEASE + ;; + i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*) + set_cc_for_build + SUN_ARCH=i386 + # If there is a compiler, see if it is configured for 64-bit objects. + # Note that the Sun cc does not turn __LP64__ into 1 like gcc does. + # This test works for both compilers. + if test "$CC_FOR_BUILD" != no_compiler_found; then + if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \ + (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_64BIT_ARCH >/dev/null + then + SUN_ARCH=x86_64 + fi + fi + SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'` + GUESS=$SUN_ARCH-pc-solaris2$SUN_REL + ;; + sun4*:SunOS:6*:*) + # According to config.sub, this is the proper way to canonicalize + # SunOS6. Hard to guess exactly what SunOS6 will be like, but + # it's likely to be more like Solaris than SunOS4. + SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'` + GUESS=sparc-sun-solaris3$SUN_REL + ;; + sun4*:SunOS:*:*) + case `/usr/bin/arch -k` in + Series*|S4*) + UNAME_RELEASE=`uname -v` + ;; + esac + # Japanese Language versions have a version number like `4.1.3-JL'. + SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/-/_/'` + GUESS=sparc-sun-sunos$SUN_REL + ;; + sun3*:SunOS:*:*) + GUESS=m68k-sun-sunos$UNAME_RELEASE + ;; + sun*:*:4.2BSD:*) + UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null` + test "x$UNAME_RELEASE" = x && UNAME_RELEASE=3 + case `/bin/arch` in + sun3) + GUESS=m68k-sun-sunos$UNAME_RELEASE + ;; + sun4) + GUESS=sparc-sun-sunos$UNAME_RELEASE + ;; + esac + ;; + aushp:SunOS:*:*) + GUESS=sparc-auspex-sunos$UNAME_RELEASE + ;; + # The situation for MiNT is a little confusing. The machine name + # can be virtually everything (everything which is not + # "atarist" or "atariste" at least should have a processor + # > m68000). The system name ranges from "MiNT" over "FreeMiNT" + # to the lowercase version "mint" (or "freemint"). Finally + # the system name "TOS" denotes a system which is actually not + # MiNT. But MiNT is downward compatible to TOS, so this should + # be no problem. + atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) + GUESS=m68k-atari-mint$UNAME_RELEASE + ;; + atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) + GUESS=m68k-atari-mint$UNAME_RELEASE + ;; + *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) + GUESS=m68k-atari-mint$UNAME_RELEASE + ;; + milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) + GUESS=m68k-milan-mint$UNAME_RELEASE + ;; + hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) + GUESS=m68k-hades-mint$UNAME_RELEASE + ;; + *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) + GUESS=m68k-unknown-mint$UNAME_RELEASE + ;; + m68k:machten:*:*) + GUESS=m68k-apple-machten$UNAME_RELEASE + ;; + powerpc:machten:*:*) + GUESS=powerpc-apple-machten$UNAME_RELEASE + ;; + RISC*:Mach:*:*) + GUESS=mips-dec-mach_bsd4.3 + ;; + RISC*:ULTRIX:*:*) + GUESS=mips-dec-ultrix$UNAME_RELEASE + ;; + VAX*:ULTRIX*:*:*) + GUESS=vax-dec-ultrix$UNAME_RELEASE + ;; + 2020:CLIX:*:* | 2430:CLIX:*:*) + GUESS=clipper-intergraph-clix$UNAME_RELEASE + ;; + mips:*:*:UMIPS | mips:*:*:RISCos) + set_cc_for_build + sed 's/^ //' << EOF > "$dummy.c" +#ifdef __cplusplus +#include /* for printf() prototype */ + int main (int argc, char *argv[]) { +#else + int main (argc, argv) int argc; char *argv[]; { +#endif + #if defined (host_mips) && defined (MIPSEB) + #if defined (SYSTYPE_SYSV) + printf ("mips-mips-riscos%ssysv\\n", argv[1]); exit (0); + #endif + #if defined (SYSTYPE_SVR4) + printf ("mips-mips-riscos%ssvr4\\n", argv[1]); exit (0); + #endif + #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) + printf ("mips-mips-riscos%sbsd\\n", argv[1]); exit (0); + #endif + #endif + exit (-1); + } +EOF + $CC_FOR_BUILD -o "$dummy" "$dummy.c" && + dummyarg=`echo "$UNAME_RELEASE" | sed -n 's/\([0-9]*\).*/\1/p'` && + SYSTEM_NAME=`"$dummy" "$dummyarg"` && + { echo "$SYSTEM_NAME"; exit; } + GUESS=mips-mips-riscos$UNAME_RELEASE + ;; + Motorola:PowerMAX_OS:*:*) + GUESS=powerpc-motorola-powermax + ;; + Motorola:*:4.3:PL8-*) + GUESS=powerpc-harris-powermax + ;; + Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) + GUESS=powerpc-harris-powermax + ;; + Night_Hawk:Power_UNIX:*:*) + GUESS=powerpc-harris-powerunix + ;; + m88k:CX/UX:7*:*) + GUESS=m88k-harris-cxux7 + ;; + m88k:*:4*:R4*) + GUESS=m88k-motorola-sysv4 + ;; + m88k:*:3*:R3*) + GUESS=m88k-motorola-sysv3 + ;; + AViiON:dgux:*:*) + # DG/UX returns AViiON for all architectures + UNAME_PROCESSOR=`/usr/bin/uname -p` + if test "$UNAME_PROCESSOR" = mc88100 || test "$UNAME_PROCESSOR" = mc88110 + then + if test "$TARGET_BINARY_INTERFACE"x = m88kdguxelfx || \ + test "$TARGET_BINARY_INTERFACE"x = x + then + GUESS=m88k-dg-dgux$UNAME_RELEASE + else + GUESS=m88k-dg-dguxbcs$UNAME_RELEASE + fi + else + GUESS=i586-dg-dgux$UNAME_RELEASE + fi + ;; + M88*:DolphinOS:*:*) # DolphinOS (SVR3) + GUESS=m88k-dolphin-sysv3 + ;; + M88*:*:R3*:*) + # Delta 88k system running SVR3 + GUESS=m88k-motorola-sysv3 + ;; + XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) + GUESS=m88k-tektronix-sysv3 + ;; + Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) + GUESS=m68k-tektronix-bsd + ;; + *:IRIX*:*:*) + IRIX_REL=`echo "$UNAME_RELEASE" | sed -e 's/-/_/g'` + GUESS=mips-sgi-irix$IRIX_REL + ;; + ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. + GUESS=romp-ibm-aix # uname -m gives an 8 hex-code CPU id + ;; # Note that: echo "'`uname -s`'" gives 'AIX ' + i*86:AIX:*:*) + GUESS=i386-ibm-aix + ;; + ia64:AIX:*:*) + if test -x /usr/bin/oslevel ; then + IBM_REV=`/usr/bin/oslevel` + else + IBM_REV=$UNAME_VERSION.$UNAME_RELEASE + fi + GUESS=$UNAME_MACHINE-ibm-aix$IBM_REV + ;; + *:AIX:2:3) + if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then + set_cc_for_build + sed 's/^ //' << EOF > "$dummy.c" + #include + + main() + { + if (!__power_pc()) + exit(1); + puts("powerpc-ibm-aix3.2.5"); + exit(0); + } +EOF + if $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` + then + GUESS=$SYSTEM_NAME + else + GUESS=rs6000-ibm-aix3.2.5 + fi + elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then + GUESS=rs6000-ibm-aix3.2.4 + else + GUESS=rs6000-ibm-aix3.2 + fi + ;; + *:AIX:*:[4567]) + IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` + if /usr/sbin/lsattr -El "$IBM_CPU_ID" | grep ' POWER' >/dev/null 2>&1; then + IBM_ARCH=rs6000 + else + IBM_ARCH=powerpc + fi + if test -x /usr/bin/lslpp ; then + IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc | \ + awk -F: '{ print $3 }' | sed s/[0-9]*$/0/` + else + IBM_REV=$UNAME_VERSION.$UNAME_RELEASE + fi + GUESS=$IBM_ARCH-ibm-aix$IBM_REV + ;; + *:AIX:*:*) + GUESS=rs6000-ibm-aix + ;; + ibmrt:4.4BSD:*|romp-ibm:4.4BSD:*) + GUESS=romp-ibm-bsd4.4 + ;; + ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and + GUESS=romp-ibm-bsd$UNAME_RELEASE # 4.3 with uname added to + ;; # report: romp-ibm BSD 4.3 + *:BOSX:*:*) + GUESS=rs6000-bull-bosx + ;; + DPX/2?00:B.O.S.:*:*) + GUESS=m68k-bull-sysv3 + ;; + 9000/[34]??:4.3bsd:1.*:*) + GUESS=m68k-hp-bsd + ;; + hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) + GUESS=m68k-hp-bsd4.4 + ;; + 9000/[34678]??:HP-UX:*:*) + HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'` + case $UNAME_MACHINE in + 9000/31?) HP_ARCH=m68000 ;; + 9000/[34]??) HP_ARCH=m68k ;; + 9000/[678][0-9][0-9]) + if test -x /usr/bin/getconf; then + sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` + sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` + case $sc_cpu_version in + 523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0 + 528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1 + 532) # CPU_PA_RISC2_0 + case $sc_kernel_bits in + 32) HP_ARCH=hppa2.0n ;; + 64) HP_ARCH=hppa2.0w ;; + '') HP_ARCH=hppa2.0 ;; # HP-UX 10.20 + esac ;; + esac + fi + if test "$HP_ARCH" = ""; then + set_cc_for_build + sed 's/^ //' << EOF > "$dummy.c" + + #define _HPUX_SOURCE + #include + #include + + int main () + { + #if defined(_SC_KERNEL_BITS) + long bits = sysconf(_SC_KERNEL_BITS); + #endif + long cpu = sysconf (_SC_CPU_VERSION); + + switch (cpu) + { + case CPU_PA_RISC1_0: puts ("hppa1.0"); break; + case CPU_PA_RISC1_1: puts ("hppa1.1"); break; + case CPU_PA_RISC2_0: + #if defined(_SC_KERNEL_BITS) + switch (bits) + { + case 64: puts ("hppa2.0w"); break; + case 32: puts ("hppa2.0n"); break; + default: puts ("hppa2.0"); break; + } break; + #else /* !defined(_SC_KERNEL_BITS) */ + puts ("hppa2.0"); break; + #endif + default: puts ("hppa1.0"); break; + } + exit (0); + } +EOF + (CCOPTS="" $CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null) && HP_ARCH=`"$dummy"` + test -z "$HP_ARCH" && HP_ARCH=hppa + fi ;; + esac + if test "$HP_ARCH" = hppa2.0w + then + set_cc_for_build + + # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating + # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler + # generating 64-bit code. GNU and HP use different nomenclature: + # + # $ CC_FOR_BUILD=cc ./config.guess + # => hppa2.0w-hp-hpux11.23 + # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess + # => hppa64-hp-hpux11.23 + + if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | + grep -q __LP64__ + then + HP_ARCH=hppa2.0w + else + HP_ARCH=hppa64 + fi + fi + GUESS=$HP_ARCH-hp-hpux$HPUX_REV + ;; + ia64:HP-UX:*:*) + HPUX_REV=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*.[0B]*//'` + GUESS=ia64-hp-hpux$HPUX_REV + ;; + 3050*:HI-UX:*:*) + set_cc_for_build + sed 's/^ //' << EOF > "$dummy.c" + #include + int + main () + { + long cpu = sysconf (_SC_CPU_VERSION); + /* The order matters, because CPU_IS_HP_MC68K erroneously returns + true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct + results, however. */ + if (CPU_IS_PA_RISC (cpu)) + { + switch (cpu) + { + case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; + case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; + case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; + default: puts ("hppa-hitachi-hiuxwe2"); break; + } + } + else if (CPU_IS_HP_MC68K (cpu)) + puts ("m68k-hitachi-hiuxwe2"); + else puts ("unknown-hitachi-hiuxwe2"); + exit (0); + } +EOF + $CC_FOR_BUILD -o "$dummy" "$dummy.c" && SYSTEM_NAME=`"$dummy"` && + { echo "$SYSTEM_NAME"; exit; } + GUESS=unknown-hitachi-hiuxwe2 + ;; + 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:*) + GUESS=hppa1.1-hp-bsd + ;; + 9000/8??:4.3bsd:*:*) + GUESS=hppa1.0-hp-bsd + ;; + *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) + GUESS=hppa1.0-hp-mpeix + ;; + hp7??:OSF1:*:* | hp8?[79]:OSF1:*:*) + GUESS=hppa1.1-hp-osf + ;; + hp8??:OSF1:*:*) + GUESS=hppa1.0-hp-osf + ;; + i*86:OSF1:*:*) + if test -x /usr/sbin/sysversion ; then + GUESS=$UNAME_MACHINE-unknown-osf1mk + else + GUESS=$UNAME_MACHINE-unknown-osf1 + fi + ;; + parisc*:Lites*:*:*) + GUESS=hppa1.1-hp-lites + ;; + C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) + GUESS=c1-convex-bsd + ;; + C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) + if getsysinfo -f scalar_acc + then echo c32-convex-bsd + else echo c2-convex-bsd + fi + exit ;; + C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) + GUESS=c34-convex-bsd + ;; + C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) + GUESS=c38-convex-bsd + ;; + C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) + GUESS=c4-convex-bsd + ;; + CRAY*Y-MP:*:*:*) + CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` + GUESS=ymp-cray-unicos$CRAY_REL + ;; + CRAY*[A-Z]90:*:*:*) + echo "$UNAME_MACHINE"-cray-unicos"$UNAME_RELEASE" \ + | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ + -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ + -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*TS:*:*:*) + CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` + GUESS=t90-cray-unicos$CRAY_REL + ;; + CRAY*T3E:*:*:*) + CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` + GUESS=alphaev5-cray-unicosmk$CRAY_REL + ;; + CRAY*SV1:*:*:*) + CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` + GUESS=sv1-cray-unicos$CRAY_REL + ;; + *:UNICOS/mp:*:*) + CRAY_REL=`echo "$UNAME_RELEASE" | sed -e 's/\.[^.]*$/.X/'` + GUESS=craynv-cray-unicosmp$CRAY_REL + ;; + F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) + FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz` + FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` + FUJITSU_REL=`echo "$UNAME_RELEASE" | sed -e 's/ /_/'` + GUESS=${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL} + ;; + 5000:UNIX_System_V:4.*:*) + FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'` + FUJITSU_REL=`echo "$UNAME_RELEASE" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'` + GUESS=sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL} + ;; + i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) + GUESS=$UNAME_MACHINE-pc-bsdi$UNAME_RELEASE + ;; + sparc*:BSD/OS:*:*) + GUESS=sparc-unknown-bsdi$UNAME_RELEASE + ;; + *:BSD/OS:*:*) + GUESS=$UNAME_MACHINE-unknown-bsdi$UNAME_RELEASE + ;; + arm:FreeBSD:*:*) + UNAME_PROCESSOR=`uname -p` + set_cc_for_build + if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_PCS_VFP + then + FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` + GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabi + else + FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` + GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL-gnueabihf + fi + ;; + *:FreeBSD:*:*) + UNAME_PROCESSOR=`/usr/bin/uname -p` + case $UNAME_PROCESSOR in + amd64) + UNAME_PROCESSOR=x86_64 ;; + i386) + UNAME_PROCESSOR=i586 ;; + esac + FREEBSD_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` + GUESS=$UNAME_PROCESSOR-unknown-freebsd$FREEBSD_REL + ;; + i*:CYGWIN*:*) + GUESS=$UNAME_MACHINE-pc-cygwin + ;; + *:MINGW64*:*) + GUESS=$UNAME_MACHINE-pc-mingw64 + ;; + *:MINGW*:*) + GUESS=$UNAME_MACHINE-pc-mingw32 + ;; + *:MSYS*:*) + GUESS=$UNAME_MACHINE-pc-msys + ;; + i*:PW*:*) + GUESS=$UNAME_MACHINE-pc-pw32 + ;; + *:Interix*:*) + case $UNAME_MACHINE in + x86) + GUESS=i586-pc-interix$UNAME_RELEASE + ;; + authenticamd | genuineintel | EM64T) + GUESS=x86_64-unknown-interix$UNAME_RELEASE + ;; + IA64) + GUESS=ia64-unknown-interix$UNAME_RELEASE + ;; + esac ;; + i*:UWIN*:*) + GUESS=$UNAME_MACHINE-pc-uwin + ;; + amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) + GUESS=x86_64-pc-cygwin + ;; + prep*:SunOS:5.*:*) + SUN_REL=`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'` + GUESS=powerpcle-unknown-solaris2$SUN_REL + ;; + *:GNU:*:*) + # the GNU system + GNU_ARCH=`echo "$UNAME_MACHINE" | sed -e 's,[-/].*$,,'` + GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's,/.*$,,'` + GUESS=$GNU_ARCH-unknown-$LIBC$GNU_REL + ;; + *:GNU/*:*:*) + # other systems with GNU libc and userland + GNU_SYS=`echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"` + GNU_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` + GUESS=$UNAME_MACHINE-unknown-$GNU_SYS$GNU_REL-$LIBC + ;; + *:Minix:*:*) + GUESS=$UNAME_MACHINE-unknown-minix + ;; + aarch64:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + aarch64_be:Linux:*:*) + UNAME_MACHINE=aarch64_be + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + alpha:Linux:*:*) + case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' /proc/cpuinfo 2>/dev/null` in + EV5) UNAME_MACHINE=alphaev5 ;; + EV56) UNAME_MACHINE=alphaev56 ;; + PCA56) UNAME_MACHINE=alphapca56 ;; + PCA57) UNAME_MACHINE=alphapca56 ;; + EV6) UNAME_MACHINE=alphaev6 ;; + EV67) UNAME_MACHINE=alphaev67 ;; + EV68*) UNAME_MACHINE=alphaev68 ;; + esac + objdump --private-headers /bin/sh | grep -q ld.so.1 + if test "$?" = 0 ; then LIBC=gnulibc1 ; fi + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + arc:Linux:*:* | arceb:Linux:*:* | arc32:Linux:*:* | arc64:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + arm*:Linux:*:*) + set_cc_for_build + if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_EABI__ + then + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + else + if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_PCS_VFP + then + GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabi + else + GUESS=$UNAME_MACHINE-unknown-linux-${LIBC}eabihf + fi + fi + ;; + avr32*:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + cris:Linux:*:*) + GUESS=$UNAME_MACHINE-axis-linux-$LIBC + ;; + crisv32:Linux:*:*) + GUESS=$UNAME_MACHINE-axis-linux-$LIBC + ;; + e2k:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + frv:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + hexagon:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + i*86:Linux:*:*) + GUESS=$UNAME_MACHINE-pc-linux-$LIBC + ;; + ia64:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + k1om:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + loongarch32:Linux:*:* | loongarch64:Linux:*:* | loongarchx32:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + m32r*:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + m68*:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + mips:Linux:*:* | mips64:Linux:*:*) + set_cc_for_build + IS_GLIBC=0 + test x"${LIBC}" = xgnu && IS_GLIBC=1 + sed 's/^ //' << EOF > "$dummy.c" + #undef CPU + #undef mips + #undef mipsel + #undef mips64 + #undef mips64el + #if ${IS_GLIBC} && defined(_ABI64) + LIBCABI=gnuabi64 + #else + #if ${IS_GLIBC} && defined(_ABIN32) + LIBCABI=gnuabin32 + #else + LIBCABI=${LIBC} + #endif + #endif + + #if ${IS_GLIBC} && defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6 + CPU=mipsisa64r6 + #else + #if ${IS_GLIBC} && !defined(__mips64) && defined(__mips_isa_rev) && __mips_isa_rev>=6 + CPU=mipsisa32r6 + #else + #if defined(__mips64) + CPU=mips64 + #else + CPU=mips + #endif + #endif + #endif + + #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) + MIPS_ENDIAN=el + #else + #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) + MIPS_ENDIAN= + #else + MIPS_ENDIAN= + #endif + #endif +EOF + cc_set_vars=`$CC_FOR_BUILD -E "$dummy.c" 2>/dev/null | grep '^CPU\|^MIPS_ENDIAN\|^LIBCABI'` + eval "$cc_set_vars" + test "x$CPU" != x && { echo "$CPU${MIPS_ENDIAN}-unknown-linux-$LIBCABI"; exit; } + ;; + mips64el:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + openrisc*:Linux:*:*) + GUESS=or1k-unknown-linux-$LIBC + ;; + or32:Linux:*:* | or1k*:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + padre:Linux:*:*) + GUESS=sparc-unknown-linux-$LIBC + ;; + parisc64:Linux:*:* | hppa64:Linux:*:*) + GUESS=hppa64-unknown-linux-$LIBC + ;; + parisc:Linux:*:* | hppa:Linux:*:*) + # Look for CPU level + case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in + PA7*) GUESS=hppa1.1-unknown-linux-$LIBC ;; + PA8*) GUESS=hppa2.0-unknown-linux-$LIBC ;; + *) GUESS=hppa-unknown-linux-$LIBC ;; + esac + ;; + ppc64:Linux:*:*) + GUESS=powerpc64-unknown-linux-$LIBC + ;; + ppc:Linux:*:*) + GUESS=powerpc-unknown-linux-$LIBC + ;; + ppc64le:Linux:*:*) + GUESS=powerpc64le-unknown-linux-$LIBC + ;; + ppcle:Linux:*:*) + GUESS=powerpcle-unknown-linux-$LIBC + ;; + riscv32:Linux:*:* | riscv32be:Linux:*:* | riscv64:Linux:*:* | riscv64be:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + s390:Linux:*:* | s390x:Linux:*:*) + GUESS=$UNAME_MACHINE-ibm-linux-$LIBC + ;; + sh64*:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + sh*:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + sparc:Linux:*:* | sparc64:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + tile*:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + vax:Linux:*:*) + GUESS=$UNAME_MACHINE-dec-linux-$LIBC + ;; + x86_64:Linux:*:*) + set_cc_for_build + LIBCABI=$LIBC + if test "$CC_FOR_BUILD" != no_compiler_found; then + if (echo '#ifdef __ILP32__'; echo IS_X32; echo '#endif') | \ + (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_X32 >/dev/null + then + LIBCABI=${LIBC}x32 + fi + fi + GUESS=$UNAME_MACHINE-pc-linux-$LIBCABI + ;; + xtensa*:Linux:*:*) + GUESS=$UNAME_MACHINE-unknown-linux-$LIBC + ;; + i*86:DYNIX/ptx:4*:*) + # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. + # earlier versions are messed up and put the nodename in both + # sysname and nodename. + GUESS=i386-sequent-sysv4 + ;; + i*86:UNIX_SV:4.2MP:2.*) + # Unixware is an offshoot of SVR4, but it has its own version + # number series starting with 2... + # I am not positive that other SVR4 systems won't match this, + # I just have to hope. -- rms. + # Use sysv4.2uw... so that sysv4* matches it. + GUESS=$UNAME_MACHINE-pc-sysv4.2uw$UNAME_VERSION + ;; + i*86:OS/2:*:*) + # If we were able to find `uname', then EMX Unix compatibility + # is probably installed. + GUESS=$UNAME_MACHINE-pc-os2-emx + ;; + i*86:XTS-300:*:STOP) + GUESS=$UNAME_MACHINE-unknown-stop + ;; + i*86:atheos:*:*) + GUESS=$UNAME_MACHINE-unknown-atheos + ;; + i*86:syllable:*:*) + GUESS=$UNAME_MACHINE-pc-syllable + ;; + i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) + GUESS=i386-unknown-lynxos$UNAME_RELEASE + ;; + i*86:*DOS:*:*) + GUESS=$UNAME_MACHINE-pc-msdosdjgpp + ;; + i*86:*:4.*:*) + UNAME_REL=`echo "$UNAME_RELEASE" | sed 's/\/MP$//'` + if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then + GUESS=$UNAME_MACHINE-univel-sysv$UNAME_REL + else + GUESS=$UNAME_MACHINE-pc-sysv$UNAME_REL + fi + ;; + i*86:*:5:[678]*) + # UnixWare 7.x, OpenUNIX and OpenServer 6. + case `/bin/uname -X | grep "^Machine"` in + *486*) UNAME_MACHINE=i486 ;; + *Pentium) UNAME_MACHINE=i586 ;; + *Pent*|*Celeron) UNAME_MACHINE=i686 ;; + esac + GUESS=$UNAME_MACHINE-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} + ;; + i*86:*:3.2:*) + if test -f /usr/options/cb.name; then + UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then + UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` + (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 + (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ + && UNAME_MACHINE=i586 + (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ + && UNAME_MACHINE=i686 + (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ + && UNAME_MACHINE=i686 + GUESS=$UNAME_MACHINE-pc-sco$UNAME_REL + else + GUESS=$UNAME_MACHINE-pc-sysv32 + fi + ;; + pc:*:*:*) + # Left here for compatibility: + # uname -m prints for DJGPP always 'pc', but it prints nothing about + # the processor, so we play safe by assuming i586. + # Note: whatever this is, it MUST be the same as what config.sub + # prints for the "djgpp" host, or else GDB configure will decide that + # this is a cross-build. + GUESS=i586-pc-msdosdjgpp + ;; + Intel:Mach:3*:*) + GUESS=i386-pc-mach3 + ;; + paragon:*:*:*) + GUESS=i860-intel-osf1 + ;; + i860:*:4.*:*) # i860-SVR4 + if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then + GUESS=i860-stardent-sysv$UNAME_RELEASE # Stardent Vistra i860-SVR4 + else # Add other i860-SVR4 vendors below as they are discovered. + GUESS=i860-unknown-sysv$UNAME_RELEASE # Unknown i860-SVR4 + fi + ;; + mini*:CTIX:SYS*5:*) + # "miniframe" + GUESS=m68010-convergent-sysv + ;; + mc68k:UNIX:SYSTEM5:3.51m) + GUESS=m68k-convergent-sysv + ;; + M680?0:D-NIX:5.3:*) + GUESS=m68k-diab-dnix + ;; + M68*:*:R3V[5678]*:*) + test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; + 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) + OS_REL='' + test -r /etc/.relid \ + && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4.3"$OS_REL"; exit; } + /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ + && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;; + 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4; exit; } ;; + NCR*:*:4.2:* | MPRAS*:*:4.2:*) + OS_REL='.3' + test -r /etc/.relid \ + && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4.3"$OS_REL"; exit; } + /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ + && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } + /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ + && { echo i586-ncr-sysv4.3"$OS_REL"; exit; } ;; + m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) + GUESS=m68k-unknown-lynxos$UNAME_RELEASE + ;; + mc68030:UNIX_System_V:4.*:*) + GUESS=m68k-atari-sysv4 + ;; + TSUNAMI:LynxOS:2.*:*) + GUESS=sparc-unknown-lynxos$UNAME_RELEASE + ;; + rs6000:LynxOS:2.*:*) + GUESS=rs6000-unknown-lynxos$UNAME_RELEASE + ;; + PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) + GUESS=powerpc-unknown-lynxos$UNAME_RELEASE + ;; + SM[BE]S:UNIX_SV:*:*) + GUESS=mips-dde-sysv$UNAME_RELEASE + ;; + RM*:ReliantUNIX-*:*:*) + GUESS=mips-sni-sysv4 + ;; + RM*:SINIX-*:*:*) + GUESS=mips-sni-sysv4 + ;; + *:SINIX-*:*:*) + if uname -p 2>/dev/null >/dev/null ; then + UNAME_MACHINE=`(uname -p) 2>/dev/null` + GUESS=$UNAME_MACHINE-sni-sysv4 + else + GUESS=ns32k-sni-sysv + fi + ;; + PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort + # says + GUESS=i586-unisys-sysv4 + ;; + *:UNIX_System_V:4*:FTX*) + # From Gerald Hewes . + # How about differentiating between stratus architectures? -djm + GUESS=hppa1.1-stratus-sysv4 + ;; + *:*:*:FTX*) + # From seanf@swdc.stratus.com. + GUESS=i860-stratus-sysv4 + ;; + i*86:VOS:*:*) + # From Paul.Green@stratus.com. + GUESS=$UNAME_MACHINE-stratus-vos + ;; + *:VOS:*:*) + # From Paul.Green@stratus.com. + GUESS=hppa1.1-stratus-vos + ;; + mc68*:A/UX:*:*) + GUESS=m68k-apple-aux$UNAME_RELEASE + ;; + news*:NEWS-OS:6*:*) + GUESS=mips-sony-newsos6 + ;; + R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) + if test -d /usr/nec; then + GUESS=mips-nec-sysv$UNAME_RELEASE + else + GUESS=mips-unknown-sysv$UNAME_RELEASE + fi + ;; + BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. + GUESS=powerpc-be-beos + ;; + BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. + GUESS=powerpc-apple-beos + ;; + BePC:BeOS:*:*) # BeOS running on Intel PC compatible. + GUESS=i586-pc-beos + ;; + BePC:Haiku:*:*) # Haiku running on Intel PC compatible. + GUESS=i586-pc-haiku + ;; + x86_64:Haiku:*:*) + GUESS=x86_64-unknown-haiku + ;; + SX-4:SUPER-UX:*:*) + GUESS=sx4-nec-superux$UNAME_RELEASE + ;; + SX-5:SUPER-UX:*:*) + GUESS=sx5-nec-superux$UNAME_RELEASE + ;; + SX-6:SUPER-UX:*:*) + GUESS=sx6-nec-superux$UNAME_RELEASE + ;; + SX-7:SUPER-UX:*:*) + GUESS=sx7-nec-superux$UNAME_RELEASE + ;; + SX-8:SUPER-UX:*:*) + GUESS=sx8-nec-superux$UNAME_RELEASE + ;; + SX-8R:SUPER-UX:*:*) + GUESS=sx8r-nec-superux$UNAME_RELEASE + ;; + SX-ACE:SUPER-UX:*:*) + GUESS=sxace-nec-superux$UNAME_RELEASE + ;; + Power*:Rhapsody:*:*) + GUESS=powerpc-apple-rhapsody$UNAME_RELEASE + ;; + *:Rhapsody:*:*) + GUESS=$UNAME_MACHINE-apple-rhapsody$UNAME_RELEASE + ;; + arm64:Darwin:*:*) + GUESS=aarch64-apple-darwin$UNAME_RELEASE + ;; + *:Darwin:*:*) + UNAME_PROCESSOR=`uname -p` + case $UNAME_PROCESSOR in + unknown) UNAME_PROCESSOR=powerpc ;; + esac + if command -v xcode-select > /dev/null 2> /dev/null && \ + ! xcode-select --print-path > /dev/null 2> /dev/null ; then + # Avoid executing cc if there is no toolchain installed as + # cc will be a stub that puts up a graphical alert + # prompting the user to install developer tools. + CC_FOR_BUILD=no_compiler_found + else + set_cc_for_build + fi + if test "$CC_FOR_BUILD" != no_compiler_found; then + if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ + (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_64BIT_ARCH >/dev/null + then + case $UNAME_PROCESSOR in + i386) UNAME_PROCESSOR=x86_64 ;; + powerpc) UNAME_PROCESSOR=powerpc64 ;; + esac + fi + # On 10.4-10.6 one might compile for PowerPC via gcc -arch ppc + if (echo '#ifdef __POWERPC__'; echo IS_PPC; echo '#endif') | \ + (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_PPC >/dev/null + then + UNAME_PROCESSOR=powerpc + fi + elif test "$UNAME_PROCESSOR" = i386 ; then + # uname -m returns i386 or x86_64 + UNAME_PROCESSOR=$UNAME_MACHINE + fi + GUESS=$UNAME_PROCESSOR-apple-darwin$UNAME_RELEASE + ;; + *:procnto*:*:* | *:QNX:[0123456789]*:*) + UNAME_PROCESSOR=`uname -p` + if test "$UNAME_PROCESSOR" = x86; then + UNAME_PROCESSOR=i386 + UNAME_MACHINE=pc + fi + GUESS=$UNAME_PROCESSOR-$UNAME_MACHINE-nto-qnx$UNAME_RELEASE + ;; + *:QNX:*:4*) + GUESS=i386-pc-qnx + ;; + NEO-*:NONSTOP_KERNEL:*:*) + GUESS=neo-tandem-nsk$UNAME_RELEASE + ;; + NSE-*:NONSTOP_KERNEL:*:*) + GUESS=nse-tandem-nsk$UNAME_RELEASE + ;; + NSR-*:NONSTOP_KERNEL:*:*) + GUESS=nsr-tandem-nsk$UNAME_RELEASE + ;; + NSV-*:NONSTOP_KERNEL:*:*) + GUESS=nsv-tandem-nsk$UNAME_RELEASE + ;; + NSX-*:NONSTOP_KERNEL:*:*) + GUESS=nsx-tandem-nsk$UNAME_RELEASE + ;; + *:NonStop-UX:*:*) + GUESS=mips-compaq-nonstopux + ;; + BS2000:POSIX*:*:*) + GUESS=bs2000-siemens-sysv + ;; + DS/*:UNIX_System_V:*:*) + GUESS=$UNAME_MACHINE-$UNAME_SYSTEM-$UNAME_RELEASE + ;; + *:Plan9:*:*) + # "uname -m" is not consistent, so use $cputype instead. 386 + # is converted to i386 for consistency with other x86 + # operating systems. + if test "${cputype-}" = 386; then + UNAME_MACHINE=i386 + elif test "x${cputype-}" != x; then + UNAME_MACHINE=$cputype + fi + GUESS=$UNAME_MACHINE-unknown-plan9 + ;; + *:TOPS-10:*:*) + GUESS=pdp10-unknown-tops10 + ;; + *:TENEX:*:*) + GUESS=pdp10-unknown-tenex + ;; + KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) + GUESS=pdp10-dec-tops20 + ;; + XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) + GUESS=pdp10-xkl-tops20 + ;; + *:TOPS-20:*:*) + GUESS=pdp10-unknown-tops20 + ;; + *:ITS:*:*) + GUESS=pdp10-unknown-its + ;; + SEI:*:*:SEIUX) + GUESS=mips-sei-seiux$UNAME_RELEASE + ;; + *:DragonFly:*:*) + DRAGONFLY_REL=`echo "$UNAME_RELEASE" | sed -e 's/[-(].*//'` + GUESS=$UNAME_MACHINE-unknown-dragonfly$DRAGONFLY_REL + ;; + *:*VMS:*:*) + UNAME_MACHINE=`(uname -p) 2>/dev/null` + case $UNAME_MACHINE in + A*) GUESS=alpha-dec-vms ;; + I*) GUESS=ia64-dec-vms ;; + V*) GUESS=vax-dec-vms ;; + esac ;; + *:XENIX:*:SysV) + GUESS=i386-pc-xenix + ;; + i*86:skyos:*:*) + SKYOS_REL=`echo "$UNAME_RELEASE" | sed -e 's/ .*$//'` + GUESS=$UNAME_MACHINE-pc-skyos$SKYOS_REL + ;; + i*86:rdos:*:*) + GUESS=$UNAME_MACHINE-pc-rdos + ;; + *:AROS:*:*) + GUESS=$UNAME_MACHINE-unknown-aros + ;; + x86_64:VMkernel:*:*) + GUESS=$UNAME_MACHINE-unknown-esx + ;; + amd64:Isilon\ OneFS:*:*) + GUESS=x86_64-unknown-onefs + ;; + *:Unleashed:*:*) + GUESS=$UNAME_MACHINE-unknown-unleashed$UNAME_RELEASE + ;; +esac + +# Do we have a guess based on uname results? +if test "x$GUESS" != x; then + echo "$GUESS" + exit +fi + +# No uname command or uname output not recognized. +set_cc_for_build +cat > "$dummy.c" < +#include +#endif +#if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__) +#if defined (vax) || defined (__vax) || defined (__vax__) || defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__) +#include +#if defined(_SIZE_T_) || defined(SIGLOST) +#include +#endif +#endif +#endif +main () +{ +#if defined (sony) +#if defined (MIPSEB) + /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed, + I don't know.... */ + printf ("mips-sony-bsd\n"); exit (0); +#else +#include + printf ("m68k-sony-newsos%s\n", +#ifdef NEWSOS4 + "4" +#else + "" +#endif + ); exit (0); +#endif +#endif + +#if defined (NeXT) +#if !defined (__ARCHITECTURE__) +#define __ARCHITECTURE__ "m68k" +#endif + int version; + version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`; + if (version < 4) + printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version); + else + printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version); + exit (0); +#endif + +#if defined (MULTIMAX) || defined (n16) +#if defined (UMAXV) + printf ("ns32k-encore-sysv\n"); exit (0); +#else +#if defined (CMU) + printf ("ns32k-encore-mach\n"); exit (0); +#else + printf ("ns32k-encore-bsd\n"); exit (0); +#endif +#endif +#endif + +#if defined (__386BSD__) + printf ("i386-pc-bsd\n"); exit (0); +#endif + +#if defined (sequent) +#if defined (i386) + printf ("i386-sequent-dynix\n"); exit (0); +#endif +#if defined (ns32000) + printf ("ns32k-sequent-dynix\n"); exit (0); +#endif +#endif + +#if defined (_SEQUENT_) + struct utsname un; + + uname(&un); + if (strncmp(un.version, "V2", 2) == 0) { + printf ("i386-sequent-ptx2\n"); exit (0); + } + if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */ + printf ("i386-sequent-ptx1\n"); exit (0); + } + printf ("i386-sequent-ptx\n"); exit (0); +#endif + +#if defined (vax) +#if !defined (ultrix) +#include +#if defined (BSD) +#if BSD == 43 + printf ("vax-dec-bsd4.3\n"); exit (0); +#else +#if BSD == 199006 + printf ("vax-dec-bsd4.3reno\n"); exit (0); +#else + printf ("vax-dec-bsd\n"); exit (0); +#endif +#endif +#else + printf ("vax-dec-bsd\n"); exit (0); +#endif +#else +#if defined(_SIZE_T_) || defined(SIGLOST) + struct utsname un; + uname (&un); + printf ("vax-dec-ultrix%s\n", un.release); exit (0); +#else + printf ("vax-dec-ultrix\n"); exit (0); +#endif +#endif +#endif +#if defined(ultrix) || defined(_ultrix) || defined(__ultrix) || defined(__ultrix__) +#if defined(mips) || defined(__mips) || defined(__mips__) || defined(MIPS) || defined(__MIPS__) +#if defined(_SIZE_T_) || defined(SIGLOST) + struct utsname *un; + uname (&un); + printf ("mips-dec-ultrix%s\n", un.release); exit (0); +#else + printf ("mips-dec-ultrix\n"); exit (0); +#endif +#endif +#endif + +#if defined (alliant) && defined (i860) + printf ("i860-alliant-bsd\n"); exit (0); +#endif + + exit (1); +} +EOF + +$CC_FOR_BUILD -o "$dummy" "$dummy.c" 2>/dev/null && SYSTEM_NAME=`"$dummy"` && + { echo "$SYSTEM_NAME"; exit; } + +# Apollos put the system type in the environment. +test -d /usr/apollo && { echo "$ISP-apollo-$SYSTYPE"; exit; } + +echo "$0: unable to guess system type" >&2 + +case $UNAME_MACHINE:$UNAME_SYSTEM in + mips:Linux | mips64:Linux) + # If we got here on MIPS GNU/Linux, output extra information. + cat >&2 <&2 <&2 </dev/null || echo unknown` +uname -r = `(uname -r) 2>/dev/null || echo unknown` +uname -s = `(uname -s) 2>/dev/null || echo unknown` +uname -v = `(uname -v) 2>/dev/null || echo unknown` + +/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` +/bin/uname -X = `(/bin/uname -X) 2>/dev/null` + +hostinfo = `(hostinfo) 2>/dev/null` +/bin/universe = `(/bin/universe) 2>/dev/null` +/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` +/bin/arch = `(/bin/arch) 2>/dev/null` +/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` +/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` + +UNAME_MACHINE = "$UNAME_MACHINE" +UNAME_RELEASE = "$UNAME_RELEASE" +UNAME_SYSTEM = "$UNAME_SYSTEM" +UNAME_VERSION = "$UNAME_VERSION" +EOF +fi + +exit 1 + +# Local variables: +# eval: (add-hook 'before-save-hook 'time-stamp) +# time-stamp-start: "timestamp='" +# time-stamp-format: "%:y-%02m-%02d" +# time-stamp-end: "'" +# End: diff --git a/build-aux/config.rpath b/build-aux/config.rpath new file mode 100755 index 0000000..c38b914 --- /dev/null +++ b/build-aux/config.rpath @@ -0,0 +1,690 @@ +#! /bin/sh +# Output a system dependent set of variables, describing how to set the +# run time search path of shared libraries in an executable. +# +# Copyright 1996-2013 Free Software Foundation, Inc. +# Taken from GNU libtool, 2001 +# Originally by Gordon Matzigkeit , 1996 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. +# +# The first argument passed to this file is the canonical host specification, +# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM +# or +# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM +# The environment variables CC, GCC, LDFLAGS, LD, with_gnu_ld +# should be set by the caller. +# +# The set of defined variables is at the end of this script. + +# Known limitations: +# - On IRIX 6.5 with CC="cc", the run time search patch must not be longer +# than 256 bytes, otherwise the compiler driver will dump core. The only +# known workaround is to choose shorter directory names for the build +# directory and/or the installation directory. + +# All known linkers require a '.a' archive for static linking (except MSVC, +# which needs '.lib'). +libext=a +shrext=.so + +host="$1" +host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` +host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` +host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` + +# Code taken from libtool.m4's _LT_CC_BASENAME. + +for cc_temp in $CC""; do + case $cc_temp in + compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; + distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; + \-*) ;; + *) break;; + esac +done +cc_basename=`echo "$cc_temp" | sed -e 's%^.*/%%'` + +# Code taken from libtool.m4's _LT_COMPILER_PIC. + +wl= +if test "$GCC" = yes; then + wl='-Wl,' +else + case "$host_os" in + aix*) + wl='-Wl,' + ;; + mingw* | cygwin* | pw32* | os2* | cegcc*) + ;; + hpux9* | hpux10* | hpux11*) + wl='-Wl,' + ;; + irix5* | irix6* | nonstopux*) + wl='-Wl,' + ;; + linux* | k*bsd*-gnu | kopensolaris*-gnu) + case $cc_basename in + ecc*) + wl='-Wl,' + ;; + icc* | ifort*) + wl='-Wl,' + ;; + lf95*) + wl='-Wl,' + ;; + nagfor*) + wl='-Wl,-Wl,,' + ;; + pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) + wl='-Wl,' + ;; + ccc*) + wl='-Wl,' + ;; + xl* | bgxl* | bgf* | mpixl*) + wl='-Wl,' + ;; + como) + wl='-lopt=' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ F* | *Sun*Fortran*) + wl= + ;; + *Sun\ C*) + wl='-Wl,' + ;; + esac + ;; + esac + ;; + newsos6) + ;; + *nto* | *qnx*) + ;; + osf3* | osf4* | osf5*) + wl='-Wl,' + ;; + rdos*) + ;; + solaris*) + case $cc_basename in + f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) + wl='-Qoption ld ' + ;; + *) + wl='-Wl,' + ;; + esac + ;; + sunos4*) + wl='-Qoption ld ' + ;; + sysv4 | sysv4.2uw2* | sysv4.3*) + wl='-Wl,' + ;; + sysv4*MP*) + ;; + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + wl='-Wl,' + ;; + unicos*) + wl='-Wl,' + ;; + uts4*) + ;; + esac +fi + +# Code taken from libtool.m4's _LT_LINKER_SHLIBS. + +hardcode_libdir_flag_spec= +hardcode_libdir_separator= +hardcode_direct=no +hardcode_minus_L=no + +case "$host_os" in + cygwin* | mingw* | pw32* | cegcc*) + # FIXME: the MSVC++ port hasn't been tested in a loooong time + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + if test "$GCC" != yes; then + with_gnu_ld=no + fi + ;; + interix*) + # we just hope/assume this is gcc and not c89 (= MSVC++) + with_gnu_ld=yes + ;; + openbsd*) + with_gnu_ld=no + ;; +esac + +ld_shlibs=yes +if test "$with_gnu_ld" = yes; then + # Set some defaults for GNU ld with shared library support. These + # are reset later if shared libraries are not supported. Putting them + # here allows them to be overridden if necessary. + # Unlike libtool, we use -rpath here, not --rpath, since the documented + # option of GNU ld is called -rpath, not --rpath. + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + case "$host_os" in + aix[3-9]*) + # On AIX/PPC, the GNU linker is very broken + if test "$host_cpu" != ia64; then + ld_shlibs=no + fi + ;; + amigaos*) + case "$host_cpu" in + powerpc) + ;; + m68k) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + esac + ;; + beos*) + if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then + : + else + ld_shlibs=no + fi + ;; + cygwin* | mingw* | pw32* | cegcc*) + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + hardcode_libdir_flag_spec='-L$libdir' + if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then + : + else + ld_shlibs=no + fi + ;; + haiku*) + ;; + interix[3-9]*) + hardcode_direct=no + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + ;; + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) + if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then + : + else + ld_shlibs=no + fi + ;; + netbsd*) + ;; + solaris*) + if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then + ld_shlibs=no + elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then + : + else + ld_shlibs=no + fi + ;; + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) + case `$LD -v 2>&1` in + *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*) + ld_shlibs=no + ;; + *) + if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then + hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`' + else + ld_shlibs=no + fi + ;; + esac + ;; + sunos4*) + hardcode_direct=yes + ;; + *) + if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then + : + else + ld_shlibs=no + fi + ;; + esac + if test "$ld_shlibs" = no; then + hardcode_libdir_flag_spec= + fi +else + case "$host_os" in + aix3*) + # Note: this linker hardcodes the directories in LIBPATH if there + # are no directories specified by -L. + hardcode_minus_L=yes + if test "$GCC" = yes; then + # Neither direct hardcoding nor static linking is supported with a + # broken collect2. + hardcode_direct=unsupported + fi + ;; + aix[4-9]*) + if test "$host_cpu" = ia64; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + else + aix_use_runtimelinking=no + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # need to do runtime linking. + case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*) + for ld_flag in $LDFLAGS; do + if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then + aix_use_runtimelinking=yes + break + fi + done + ;; + esac + fi + hardcode_direct=yes + hardcode_libdir_separator=':' + if test "$GCC" = yes; then + case $host_os in aix4.[012]|aix4.[012].*) + collect2name=`${CC} -print-prog-name=collect2` + if test -f "$collect2name" && \ + strings "$collect2name" | grep resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + hardcode_direct=unsupported + hardcode_minus_L=yes + hardcode_libdir_flag_spec='-L$libdir' + hardcode_libdir_separator= + fi + ;; + esac + fi + # Begin _LT_AC_SYS_LIBPATH_AIX. + echo 'int main () { return 0; }' > conftest.c + ${CC} ${LDFLAGS} conftest.c -o conftest + aix_libpath=`dump -H conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; } +}'` + if test -z "$aix_libpath"; then + aix_libpath=`dump -HX64 conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; } +}'` + fi + if test -z "$aix_libpath"; then + aix_libpath="/usr/lib:/lib" + fi + rm -f conftest.c conftest + # End _LT_AC_SYS_LIBPATH_AIX. + if test "$aix_use_runtimelinking" = yes; then + hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" + else + if test "$host_cpu" = ia64; then + hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' + else + hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" + fi + fi + ;; + amigaos*) + case "$host_cpu" in + powerpc) + ;; + m68k) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + esac + ;; + bsdi[45]*) + ;; + cygwin* | mingw* | pw32* | cegcc*) + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + hardcode_libdir_flag_spec=' ' + libext=lib + ;; + darwin* | rhapsody*) + hardcode_direct=no + if { case $cc_basename in ifort*) true;; *) test "$GCC" = yes;; esac; }; then + : + else + ld_shlibs=no + fi + ;; + dgux*) + hardcode_libdir_flag_spec='-L$libdir' + ;; + freebsd2.2*) + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + ;; + freebsd2*) + hardcode_direct=yes + hardcode_minus_L=yes + ;; + freebsd* | dragonfly*) + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + ;; + hpux9*) + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + ;; + hpux10*) + if test "$with_gnu_ld" = no; then + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + fi + ;; + hpux11*) + if test "$with_gnu_ld" = no; then + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' + hardcode_libdir_separator=: + case $host_cpu in + hppa*64*|ia64*) + hardcode_direct=no + ;; + *) + hardcode_direct=yes + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + ;; + esac + fi + ;; + irix5* | irix6* | nonstopux*) + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + ;; + netbsd*) + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + ;; + newsos6) + hardcode_direct=yes + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + ;; + *nto* | *qnx*) + ;; + openbsd*) + if test -f /usr/libexec/ld.so; then + hardcode_direct=yes + if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + else + case "$host_os" in + openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*) + hardcode_libdir_flag_spec='-R$libdir' + ;; + *) + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + ;; + esac + fi + else + ld_shlibs=no + fi + ;; + os2*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + osf3*) + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + ;; + osf4* | osf5*) + if test "$GCC" = yes; then + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + else + # Both cc and cxx compiler support -rpath directly + hardcode_libdir_flag_spec='-rpath $libdir' + fi + hardcode_libdir_separator=: + ;; + solaris*) + hardcode_libdir_flag_spec='-R$libdir' + ;; + sunos4*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_direct=yes + hardcode_minus_L=yes + ;; + sysv4) + case $host_vendor in + sni) + hardcode_direct=yes # is this really true??? + ;; + siemens) + hardcode_direct=no + ;; + motorola) + hardcode_direct=no #Motorola manual says yes, but my tests say they lie + ;; + esac + ;; + sysv4.3*) + ;; + sysv4*MP*) + if test -d /usr/nec; then + ld_shlibs=yes + fi + ;; + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) + ;; + sysv5* | sco3.2v5* | sco5v6*) + hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`' + hardcode_libdir_separator=':' + ;; + uts4*) + hardcode_libdir_flag_spec='-L$libdir' + ;; + *) + ld_shlibs=no + ;; + esac +fi + +# Check dynamic linker characteristics +# Code taken from libtool.m4's _LT_SYS_DYNAMIC_LINKER. +# Unlike libtool.m4, here we don't care about _all_ names of the library, but +# only about the one the linker finds when passed -lNAME. This is the last +# element of library_names_spec in libtool.m4, or possibly two of them if the +# linker has special search rules. +library_names_spec= # the last element of library_names_spec in libtool.m4 +libname_spec='lib$name' +case "$host_os" in + aix3*) + library_names_spec='$libname.a' + ;; + aix[4-9]*) + library_names_spec='$libname$shrext' + ;; + amigaos*) + case "$host_cpu" in + powerpc*) + library_names_spec='$libname$shrext' ;; + m68k) + library_names_spec='$libname.a' ;; + esac + ;; + beos*) + library_names_spec='$libname$shrext' + ;; + bsdi[45]*) + library_names_spec='$libname$shrext' + ;; + cygwin* | mingw* | pw32* | cegcc*) + shrext=.dll + library_names_spec='$libname.dll.a $libname.lib' + ;; + darwin* | rhapsody*) + shrext=.dylib + library_names_spec='$libname$shrext' + ;; + dgux*) + library_names_spec='$libname$shrext' + ;; + freebsd* | dragonfly*) + case "$host_os" in + freebsd[123]*) + library_names_spec='$libname$shrext$versuffix' ;; + *) + library_names_spec='$libname$shrext' ;; + esac + ;; + gnu*) + library_names_spec='$libname$shrext' + ;; + haiku*) + library_names_spec='$libname$shrext' + ;; + hpux9* | hpux10* | hpux11*) + case $host_cpu in + ia64*) + shrext=.so + ;; + hppa*64*) + shrext=.sl + ;; + *) + shrext=.sl + ;; + esac + library_names_spec='$libname$shrext' + ;; + interix[3-9]*) + library_names_spec='$libname$shrext' + ;; + irix5* | irix6* | nonstopux*) + library_names_spec='$libname$shrext' + case "$host_os" in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= ;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 ;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 ;; + *) libsuff= shlibsuff= ;; + esac + ;; + esac + ;; + linux*oldld* | linux*aout* | linux*coff*) + ;; + linux* | k*bsd*-gnu | kopensolaris*-gnu) + library_names_spec='$libname$shrext' + ;; + knetbsd*-gnu) + library_names_spec='$libname$shrext' + ;; + netbsd*) + library_names_spec='$libname$shrext' + ;; + newsos6) + library_names_spec='$libname$shrext' + ;; + *nto* | *qnx*) + library_names_spec='$libname$shrext' + ;; + openbsd*) + library_names_spec='$libname$shrext$versuffix' + ;; + os2*) + libname_spec='$name' + shrext=.dll + library_names_spec='$libname.a' + ;; + osf3* | osf4* | osf5*) + library_names_spec='$libname$shrext' + ;; + rdos*) + ;; + solaris*) + library_names_spec='$libname$shrext' + ;; + sunos4*) + library_names_spec='$libname$shrext$versuffix' + ;; + sysv4 | sysv4.3*) + library_names_spec='$libname$shrext' + ;; + sysv4*MP*) + library_names_spec='$libname$shrext' + ;; + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + library_names_spec='$libname$shrext' + ;; + tpf*) + library_names_spec='$libname$shrext' + ;; + uts4*) + library_names_spec='$libname$shrext' + ;; +esac + +sed_quote_subst='s/\(["`$\\]\)/\\\1/g' +escaped_wl=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"` +shlibext=`echo "$shrext" | sed -e 's,^\.,,'` +escaped_libname_spec=`echo "X$libname_spec" | sed -e 's/^X//' -e "$sed_quote_subst"` +escaped_library_names_spec=`echo "X$library_names_spec" | sed -e 's/^X//' -e "$sed_quote_subst"` +escaped_hardcode_libdir_flag_spec=`echo "X$hardcode_libdir_flag_spec" | sed -e 's/^X//' -e "$sed_quote_subst"` + +LC_ALL=C sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <. +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that +# program. This Exception is an additional permission under section 7 +# of the GNU General Public License, version 3 ("GPLv3"). + + +# Please send patches to . +# +# Configuration subroutine to validate and canonicalize a configuration type. +# Supply the specified configuration type as an argument. +# If it is invalid, we print an error message on stderr and exit with code 1. +# Otherwise, we print the canonical config type on stdout and succeed. + +# You can get the latest version of this script from: +# https://git.savannah.gnu.org/cgit/config.git/plain/config.sub + +# This file is supposed to be the same for all GNU packages +# and recognize all the CPU types, system types and aliases +# that are meaningful with *any* GNU software. +# Each package is responsible for reporting which valid configurations +# it does not support. The user should be able to distinguish +# a failure to support a valid configuration from a meaningless +# configuration. + +# The goal of this file is to map all the various variations of a given +# machine specification into a single specification in the form: +# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM +# or in some cases, the newer four-part form: +# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM +# It is wrong to echo any other type of specification. + +me=$(echo "$0" | sed -e 's,.*/,,') + +usage="\ +Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS + +Canonicalize a configuration name. + +Options: + -h, --help print this help, then exit + -t, --time-stamp print date of last modification, then exit + -v, --version print version number, then exit + +Report bugs and patches to ." + +version="\ +GNU config.sub ($timestamp) + +Copyright 1992-2021 Free Software Foundation, Inc. + +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." + +help=" +Try \`$me --help' for more information." + +# Parse command line +while test $# -gt 0 ; do + case $1 in + --time-stamp | --time* | -t ) + echo "$timestamp" ; exit ;; + --version | -v ) + echo "$version" ; exit ;; + --help | --h* | -h ) + echo "$usage"; exit ;; + -- ) # Stop option processing + shift; break ;; + - ) # Use stdin as input. + break ;; + -* ) + echo "$me: invalid option $1$help" >&2 + exit 1 ;; + + *local*) + # First pass through any local machine types. + echo "$1" + exit ;; + + * ) + break ;; + esac +done + +case $# in + 0) echo "$me: missing argument$help" >&2 + exit 1;; + 1) ;; + *) echo "$me: too many arguments$help" >&2 + exit 1;; +esac + +# Split fields of configuration type +# shellcheck disable=SC2162 +IFS="-" read field1 field2 field3 field4 <&2 + exit 1 + ;; + *-*-*-*) + basic_machine=$field1-$field2 + basic_os=$field3-$field4 + ;; + *-*-*) + # Ambiguous whether COMPANY is present, or skipped and KERNEL-OS is two + # parts + maybe_os=$field2-$field3 + case $maybe_os in + nto-qnx* | linux-* | uclinux-uclibc* \ + | uclinux-gnu* | kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* \ + | netbsd*-eabi* | kopensolaris*-gnu* | cloudabi*-eabi* \ + | storm-chaos* | os2-emx* | rtmk-nova*) + basic_machine=$field1 + basic_os=$maybe_os + ;; + android-linux) + basic_machine=$field1-unknown + basic_os=linux-android + ;; + *) + basic_machine=$field1-$field2 + basic_os=$field3 + ;; + esac + ;; + *-*) + # A lone config we happen to match not fitting any pattern + case $field1-$field2 in + decstation-3100) + basic_machine=mips-dec + basic_os= + ;; + *-*) + # Second component is usually, but not always the OS + case $field2 in + # Prevent following clause from handling this valid os + sun*os*) + basic_machine=$field1 + basic_os=$field2 + ;; + # Manufacturers + dec* | mips* | sequent* | encore* | pc533* | sgi* | sony* \ + | att* | 7300* | 3300* | delta* | motorola* | sun[234]* \ + | unicom* | ibm* | next | hp | isi* | apollo | altos* \ + | convergent* | ncr* | news | 32* | 3600* | 3100* \ + | hitachi* | c[123]* | convex* | sun | crds | omron* | dg \ + | ultra | tti* | harris | dolphin | highlevel | gould \ + | cbm | ns | masscomp | apple | axis | knuth | cray \ + | microblaze* | sim | cisco \ + | oki | wec | wrs | winbond) + basic_machine=$field1-$field2 + basic_os= + ;; + *) + basic_machine=$field1 + basic_os=$field2 + ;; + esac + ;; + esac + ;; + *) + # Convert single-component short-hands not valid as part of + # multi-component configurations. + case $field1 in + 386bsd) + basic_machine=i386-pc + basic_os=bsd + ;; + a29khif) + basic_machine=a29k-amd + basic_os=udi + ;; + adobe68k) + basic_machine=m68010-adobe + basic_os=scout + ;; + alliant) + basic_machine=fx80-alliant + basic_os= + ;; + altos | altos3068) + basic_machine=m68k-altos + basic_os= + ;; + am29k) + basic_machine=a29k-none + basic_os=bsd + ;; + amdahl) + basic_machine=580-amdahl + basic_os=sysv + ;; + amiga) + basic_machine=m68k-unknown + basic_os= + ;; + amigaos | amigados) + basic_machine=m68k-unknown + basic_os=amigaos + ;; + amigaunix | amix) + basic_machine=m68k-unknown + basic_os=sysv4 + ;; + apollo68) + basic_machine=m68k-apollo + basic_os=sysv + ;; + apollo68bsd) + basic_machine=m68k-apollo + basic_os=bsd + ;; + aros) + basic_machine=i386-pc + basic_os=aros + ;; + aux) + basic_machine=m68k-apple + basic_os=aux + ;; + balance) + basic_machine=ns32k-sequent + basic_os=dynix + ;; + blackfin) + basic_machine=bfin-unknown + basic_os=linux + ;; + cegcc) + basic_machine=arm-unknown + basic_os=cegcc + ;; + convex-c1) + basic_machine=c1-convex + basic_os=bsd + ;; + convex-c2) + basic_machine=c2-convex + basic_os=bsd + ;; + convex-c32) + basic_machine=c32-convex + basic_os=bsd + ;; + convex-c34) + basic_machine=c34-convex + basic_os=bsd + ;; + convex-c38) + basic_machine=c38-convex + basic_os=bsd + ;; + cray) + basic_machine=j90-cray + basic_os=unicos + ;; + crds | unos) + basic_machine=m68k-crds + basic_os= + ;; + da30) + basic_machine=m68k-da30 + basic_os= + ;; + decstation | pmax | pmin | dec3100 | decstatn) + basic_machine=mips-dec + basic_os= + ;; + delta88) + basic_machine=m88k-motorola + basic_os=sysv3 + ;; + dicos) + basic_machine=i686-pc + basic_os=dicos + ;; + djgpp) + basic_machine=i586-pc + basic_os=msdosdjgpp + ;; + ebmon29k) + basic_machine=a29k-amd + basic_os=ebmon + ;; + es1800 | OSE68k | ose68k | ose | OSE) + basic_machine=m68k-ericsson + basic_os=ose + ;; + gmicro) + basic_machine=tron-gmicro + basic_os=sysv + ;; + go32) + basic_machine=i386-pc + basic_os=go32 + ;; + h8300hms) + basic_machine=h8300-hitachi + basic_os=hms + ;; + h8300xray) + basic_machine=h8300-hitachi + basic_os=xray + ;; + h8500hms) + basic_machine=h8500-hitachi + basic_os=hms + ;; + harris) + basic_machine=m88k-harris + basic_os=sysv3 + ;; + hp300 | hp300hpux) + basic_machine=m68k-hp + basic_os=hpux + ;; + hp300bsd) + basic_machine=m68k-hp + basic_os=bsd + ;; + hppaosf) + basic_machine=hppa1.1-hp + basic_os=osf + ;; + hppro) + basic_machine=hppa1.1-hp + basic_os=proelf + ;; + i386mach) + basic_machine=i386-mach + basic_os=mach + ;; + isi68 | isi) + basic_machine=m68k-isi + basic_os=sysv + ;; + m68knommu) + basic_machine=m68k-unknown + basic_os=linux + ;; + magnum | m3230) + basic_machine=mips-mips + basic_os=sysv + ;; + merlin) + basic_machine=ns32k-utek + basic_os=sysv + ;; + mingw64) + basic_machine=x86_64-pc + basic_os=mingw64 + ;; + mingw32) + basic_machine=i686-pc + basic_os=mingw32 + ;; + mingw32ce) + basic_machine=arm-unknown + basic_os=mingw32ce + ;; + monitor) + basic_machine=m68k-rom68k + basic_os=coff + ;; + morphos) + basic_machine=powerpc-unknown + basic_os=morphos + ;; + moxiebox) + basic_machine=moxie-unknown + basic_os=moxiebox + ;; + msdos) + basic_machine=i386-pc + basic_os=msdos + ;; + msys) + basic_machine=i686-pc + basic_os=msys + ;; + mvs) + basic_machine=i370-ibm + basic_os=mvs + ;; + nacl) + basic_machine=le32-unknown + basic_os=nacl + ;; + ncr3000) + basic_machine=i486-ncr + basic_os=sysv4 + ;; + netbsd386) + basic_machine=i386-pc + basic_os=netbsd + ;; + netwinder) + basic_machine=armv4l-rebel + basic_os=linux + ;; + news | news700 | news800 | news900) + basic_machine=m68k-sony + basic_os=newsos + ;; + news1000) + basic_machine=m68030-sony + basic_os=newsos + ;; + necv70) + basic_machine=v70-nec + basic_os=sysv + ;; + nh3000) + basic_machine=m68k-harris + basic_os=cxux + ;; + nh[45]000) + basic_machine=m88k-harris + basic_os=cxux + ;; + nindy960) + basic_machine=i960-intel + basic_os=nindy + ;; + mon960) + basic_machine=i960-intel + basic_os=mon960 + ;; + nonstopux) + basic_machine=mips-compaq + basic_os=nonstopux + ;; + os400) + basic_machine=powerpc-ibm + basic_os=os400 + ;; + OSE68000 | ose68000) + basic_machine=m68000-ericsson + basic_os=ose + ;; + os68k) + basic_machine=m68k-none + basic_os=os68k + ;; + paragon) + basic_machine=i860-intel + basic_os=osf + ;; + parisc) + basic_machine=hppa-unknown + basic_os=linux + ;; + psp) + basic_machine=mipsallegrexel-sony + basic_os=psp + ;; + pw32) + basic_machine=i586-unknown + basic_os=pw32 + ;; + rdos | rdos64) + basic_machine=x86_64-pc + basic_os=rdos + ;; + rdos32) + basic_machine=i386-pc + basic_os=rdos + ;; + rom68k) + basic_machine=m68k-rom68k + basic_os=coff + ;; + sa29200) + basic_machine=a29k-amd + basic_os=udi + ;; + sei) + basic_machine=mips-sei + basic_os=seiux + ;; + sequent) + basic_machine=i386-sequent + basic_os= + ;; + sps7) + basic_machine=m68k-bull + basic_os=sysv2 + ;; + st2000) + basic_machine=m68k-tandem + basic_os= + ;; + stratus) + basic_machine=i860-stratus + basic_os=sysv4 + ;; + sun2) + basic_machine=m68000-sun + basic_os= + ;; + sun2os3) + basic_machine=m68000-sun + basic_os=sunos3 + ;; + sun2os4) + basic_machine=m68000-sun + basic_os=sunos4 + ;; + sun3) + basic_machine=m68k-sun + basic_os= + ;; + sun3os3) + basic_machine=m68k-sun + basic_os=sunos3 + ;; + sun3os4) + basic_machine=m68k-sun + basic_os=sunos4 + ;; + sun4) + basic_machine=sparc-sun + basic_os= + ;; + sun4os3) + basic_machine=sparc-sun + basic_os=sunos3 + ;; + sun4os4) + basic_machine=sparc-sun + basic_os=sunos4 + ;; + sun4sol2) + basic_machine=sparc-sun + basic_os=solaris2 + ;; + sun386 | sun386i | roadrunner) + basic_machine=i386-sun + basic_os= + ;; + sv1) + basic_machine=sv1-cray + basic_os=unicos + ;; + symmetry) + basic_machine=i386-sequent + basic_os=dynix + ;; + t3e) + basic_machine=alphaev5-cray + basic_os=unicos + ;; + t90) + basic_machine=t90-cray + basic_os=unicos + ;; + toad1) + basic_machine=pdp10-xkl + basic_os=tops20 + ;; + tpf) + basic_machine=s390x-ibm + basic_os=tpf + ;; + udi29k) + basic_machine=a29k-amd + basic_os=udi + ;; + ultra3) + basic_machine=a29k-nyu + basic_os=sym1 + ;; + v810 | necv810) + basic_machine=v810-nec + basic_os=none + ;; + vaxv) + basic_machine=vax-dec + basic_os=sysv + ;; + vms) + basic_machine=vax-dec + basic_os=vms + ;; + vsta) + basic_machine=i386-pc + basic_os=vsta + ;; + vxworks960) + basic_machine=i960-wrs + basic_os=vxworks + ;; + vxworks68) + basic_machine=m68k-wrs + basic_os=vxworks + ;; + vxworks29k) + basic_machine=a29k-wrs + basic_os=vxworks + ;; + xbox) + basic_machine=i686-pc + basic_os=mingw32 + ;; + ymp) + basic_machine=ymp-cray + basic_os=unicos + ;; + *) + basic_machine=$1 + basic_os= + ;; + esac + ;; +esac + +# Decode 1-component or ad-hoc basic machines +case $basic_machine in + # Here we handle the default manufacturer of certain CPU types. It is in + # some cases the only manufacturer, in others, it is the most popular. + w89k) + cpu=hppa1.1 + vendor=winbond + ;; + op50n) + cpu=hppa1.1 + vendor=oki + ;; + op60c) + cpu=hppa1.1 + vendor=oki + ;; + ibm*) + cpu=i370 + vendor=ibm + ;; + orion105) + cpu=clipper + vendor=highlevel + ;; + mac | mpw | mac-mpw) + cpu=m68k + vendor=apple + ;; + pmac | pmac-mpw) + cpu=powerpc + vendor=apple + ;; + + # Recognize the various machine names and aliases which stand + # for a CPU type and a company and sometimes even an OS. + 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) + cpu=m68000 + vendor=att + ;; + 3b*) + cpu=we32k + vendor=att + ;; + bluegene*) + cpu=powerpc + vendor=ibm + basic_os=cnk + ;; + decsystem10* | dec10*) + cpu=pdp10 + vendor=dec + basic_os=tops10 + ;; + decsystem20* | dec20*) + cpu=pdp10 + vendor=dec + basic_os=tops20 + ;; + delta | 3300 | motorola-3300 | motorola-delta \ + | 3300-motorola | delta-motorola) + cpu=m68k + vendor=motorola + ;; + dpx2*) + cpu=m68k + vendor=bull + basic_os=sysv3 + ;; + encore | umax | mmax) + cpu=ns32k + vendor=encore + ;; + elxsi) + cpu=elxsi + vendor=elxsi + basic_os=${basic_os:-bsd} + ;; + fx2800) + cpu=i860 + vendor=alliant + ;; + genix) + cpu=ns32k + vendor=ns + ;; + h3050r* | hiux*) + cpu=hppa1.1 + vendor=hitachi + basic_os=hiuxwe2 + ;; + hp3k9[0-9][0-9] | hp9[0-9][0-9]) + cpu=hppa1.0 + vendor=hp + ;; + hp9k2[0-9][0-9] | hp9k31[0-9]) + cpu=m68000 + vendor=hp + ;; + hp9k3[2-9][0-9]) + cpu=m68k + vendor=hp + ;; + hp9k6[0-9][0-9] | hp6[0-9][0-9]) + cpu=hppa1.0 + vendor=hp + ;; + hp9k7[0-79][0-9] | hp7[0-79][0-9]) + cpu=hppa1.1 + vendor=hp + ;; + hp9k78[0-9] | hp78[0-9]) + # FIXME: really hppa2.0-hp + cpu=hppa1.1 + vendor=hp + ;; + hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) + # FIXME: really hppa2.0-hp + cpu=hppa1.1 + vendor=hp + ;; + hp9k8[0-9][13679] | hp8[0-9][13679]) + cpu=hppa1.1 + vendor=hp + ;; + hp9k8[0-9][0-9] | hp8[0-9][0-9]) + cpu=hppa1.0 + vendor=hp + ;; + i*86v32) + cpu=$(echo "$1" | sed -e 's/86.*/86/') + vendor=pc + basic_os=sysv32 + ;; + i*86v4*) + cpu=$(echo "$1" | sed -e 's/86.*/86/') + vendor=pc + basic_os=sysv4 + ;; + i*86v) + cpu=$(echo "$1" | sed -e 's/86.*/86/') + vendor=pc + basic_os=sysv + ;; + i*86sol2) + cpu=$(echo "$1" | sed -e 's/86.*/86/') + vendor=pc + basic_os=solaris2 + ;; + j90 | j90-cray) + cpu=j90 + vendor=cray + basic_os=${basic_os:-unicos} + ;; + iris | iris4d) + cpu=mips + vendor=sgi + case $basic_os in + irix*) + ;; + *) + basic_os=irix4 + ;; + esac + ;; + miniframe) + cpu=m68000 + vendor=convergent + ;; + *mint | mint[0-9]* | *MiNT | *MiNT[0-9]*) + cpu=m68k + vendor=atari + basic_os=mint + ;; + news-3600 | risc-news) + cpu=mips + vendor=sony + basic_os=newsos + ;; + next | m*-next) + cpu=m68k + vendor=next + case $basic_os in + openstep*) + ;; + nextstep*) + ;; + ns2*) + basic_os=nextstep2 + ;; + *) + basic_os=nextstep3 + ;; + esac + ;; + np1) + cpu=np1 + vendor=gould + ;; + op50n-* | op60c-*) + cpu=hppa1.1 + vendor=oki + basic_os=proelf + ;; + pa-hitachi) + cpu=hppa1.1 + vendor=hitachi + basic_os=hiuxwe2 + ;; + pbd) + cpu=sparc + vendor=tti + ;; + pbb) + cpu=m68k + vendor=tti + ;; + pc532) + cpu=ns32k + vendor=pc532 + ;; + pn) + cpu=pn + vendor=gould + ;; + power) + cpu=power + vendor=ibm + ;; + ps2) + cpu=i386 + vendor=ibm + ;; + rm[46]00) + cpu=mips + vendor=siemens + ;; + rtpc | rtpc-*) + cpu=romp + vendor=ibm + ;; + sde) + cpu=mipsisa32 + vendor=sde + basic_os=${basic_os:-elf} + ;; + simso-wrs) + cpu=sparclite + vendor=wrs + basic_os=vxworks + ;; + tower | tower-32) + cpu=m68k + vendor=ncr + ;; + vpp*|vx|vx-*) + cpu=f301 + vendor=fujitsu + ;; + w65) + cpu=w65 + vendor=wdc + ;; + w89k-*) + cpu=hppa1.1 + vendor=winbond + basic_os=proelf + ;; + none) + cpu=none + vendor=none + ;; + leon|leon[3-9]) + cpu=sparc + vendor=$basic_machine + ;; + leon-*|leon[3-9]-*) + cpu=sparc + vendor=$(echo "$basic_machine" | sed 's/-.*//') + ;; + + *-*) + # shellcheck disable=SC2162 + IFS="-" read cpu vendor <&2 + exit 1 + ;; + esac + ;; +esac + +# Here we canonicalize certain aliases for manufacturers. +case $vendor in + digital*) + vendor=dec + ;; + commodore*) + vendor=cbm + ;; + *) + ;; +esac + +# Decode manufacturer-specific aliases for certain operating systems. + +if test x$basic_os != x +then + +# First recognize some ad-hoc caes, or perhaps split kernel-os, or else just +# set os. +case $basic_os in + gnu/linux*) + kernel=linux + os=$(echo $basic_os | sed -e 's|gnu/linux|gnu|') + ;; + os2-emx) + kernel=os2 + os=$(echo $basic_os | sed -e 's|os2-emx|emx|') + ;; + nto-qnx*) + kernel=nto + os=$(echo $basic_os | sed -e 's|nto-qnx|qnx|') + ;; + *-*) + # shellcheck disable=SC2162 + IFS="-" read kernel os <&2 + exit 1 + ;; +esac + +# As a final step for OS-related things, validate the OS-kernel combination +# (given a valid OS), if there is a kernel. +case $kernel-$os in + linux-gnu* | linux-dietlibc* | linux-android* | linux-newlib* | linux-musl* | linux-uclibc* ) + ;; + uclinux-uclibc* ) + ;; + -dietlibc* | -newlib* | -musl* | -uclibc* ) + # These are just libc implementations, not actual OSes, and thus + # require a kernel. + echo "Invalid configuration \`$1': libc \`$os' needs explicit kernel." 1>&2 + exit 1 + ;; + kfreebsd*-gnu* | kopensolaris*-gnu*) + ;; + vxworks-simlinux | vxworks-simwindows | vxworks-spe) + ;; + nto-qnx*) + ;; + os2-emx) + ;; + *-eabi* | *-gnueabi*) + ;; + -*) + # Blank kernel with real OS is always fine. + ;; + *-*) + echo "Invalid configuration \`$1': Kernel \`$kernel' not known to work with OS \`$os'." 1>&2 + exit 1 + ;; +esac + +# Here we handle the case where we know the os, and the CPU type, but not the +# manufacturer. We pick the logical manufacturer. +case $vendor in + unknown) + case $cpu-$os in + *-riscix*) + vendor=acorn + ;; + *-sunos*) + vendor=sun + ;; + *-cnk* | *-aix*) + vendor=ibm + ;; + *-beos*) + vendor=be + ;; + *-hpux*) + vendor=hp + ;; + *-mpeix*) + vendor=hp + ;; + *-hiux*) + vendor=hitachi + ;; + *-unos*) + vendor=crds + ;; + *-dgux*) + vendor=dg + ;; + *-luna*) + vendor=omron + ;; + *-genix*) + vendor=ns + ;; + *-clix*) + vendor=intergraph + ;; + *-mvs* | *-opened*) + vendor=ibm + ;; + *-os400*) + vendor=ibm + ;; + s390-* | s390x-*) + vendor=ibm + ;; + *-ptx*) + vendor=sequent + ;; + *-tpf*) + vendor=ibm + ;; + *-vxsim* | *-vxworks* | *-windiss*) + vendor=wrs + ;; + *-aux*) + vendor=apple + ;; + *-hms*) + vendor=hitachi + ;; + *-mpw* | *-macos*) + vendor=apple + ;; + *-*mint | *-mint[0-9]* | *-*MiNT | *-MiNT[0-9]*) + vendor=atari + ;; + *-vos*) + vendor=stratus + ;; + esac + ;; +esac + +echo "$cpu-$vendor-${kernel:+$kernel-}$os" +exit + +# Local variables: +# eval: (add-hook 'before-save-hook 'time-stamp) +# time-stamp-start: "timestamp='" +# time-stamp-format: "%:y-%02m-%02d" +# time-stamp-end: "'" +# End: diff --git a/build-aux/depcomp b/build-aux/depcomp new file mode 100755 index 0000000..6b39162 --- /dev/null +++ b/build-aux/depcomp @@ -0,0 +1,791 @@ +#! /bin/sh +# depcomp - compile a program generating dependencies as side-effects + +scriptversion=2018-03-07.03; # UTC + +# Copyright (C) 1999-2020 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# Originally written by Alexandre Oliva . + +case $1 in + '') + echo "$0: No command. Try '$0 --help' for more information." 1>&2 + exit 1; + ;; + -h | --h*) + cat <<\EOF +Usage: depcomp [--help] [--version] PROGRAM [ARGS] + +Run PROGRAMS ARGS to compile a file, generating dependencies +as side-effects. + +Environment variables: + depmode Dependency tracking mode. + source Source file read by 'PROGRAMS ARGS'. + object Object file output by 'PROGRAMS ARGS'. + DEPDIR directory where to store dependencies. + depfile Dependency file to output. + tmpdepfile Temporary file to use when outputting dependencies. + libtool Whether libtool is used (yes/no). + +Report bugs to . +EOF + exit $? + ;; + -v | --v*) + echo "depcomp $scriptversion" + exit $? + ;; +esac + +# Get the directory component of the given path, and save it in the +# global variables '$dir'. Note that this directory component will +# be either empty or ending with a '/' character. This is deliberate. +set_dir_from () +{ + case $1 in + */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;; + *) dir=;; + esac +} + +# Get the suffix-stripped basename of the given path, and save it the +# global variable '$base'. +set_base_from () +{ + base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'` +} + +# If no dependency file was actually created by the compiler invocation, +# we still have to create a dummy depfile, to avoid errors with the +# Makefile "include basename.Plo" scheme. +make_dummy_depfile () +{ + echo "#dummy" > "$depfile" +} + +# Factor out some common post-processing of the generated depfile. +# Requires the auxiliary global variable '$tmpdepfile' to be set. +aix_post_process_depfile () +{ + # If the compiler actually managed to produce a dependency file, + # post-process it. + if test -f "$tmpdepfile"; then + # Each line is of the form 'foo.o: dependency.h'. + # Do two passes, one to just change these to + # $object: dependency.h + # and one to simply output + # dependency.h: + # which is needed to avoid the deleted-header problem. + { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile" + sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile" + } > "$depfile" + rm -f "$tmpdepfile" + else + make_dummy_depfile + fi +} + +# A tabulation character. +tab=' ' +# A newline character. +nl=' +' +# Character ranges might be problematic outside the C locale. +# These definitions help. +upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ +lower=abcdefghijklmnopqrstuvwxyz +digits=0123456789 +alpha=${upper}${lower} + +if test -z "$depmode" || test -z "$source" || test -z "$object"; then + echo "depcomp: Variables source, object and depmode must be set" 1>&2 + exit 1 +fi + +# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. +depfile=${depfile-`echo "$object" | + sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} +tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} + +rm -f "$tmpdepfile" + +# Avoid interferences from the environment. +gccflag= dashmflag= + +# Some modes work just like other modes, but use different flags. We +# parameterize here, but still list the modes in the big case below, +# to make depend.m4 easier to write. Note that we *cannot* use a case +# here, because this file can only contain one case statement. +if test "$depmode" = hp; then + # HP compiler uses -M and no extra arg. + gccflag=-M + depmode=gcc +fi + +if test "$depmode" = dashXmstdout; then + # This is just like dashmstdout with a different argument. + dashmflag=-xM + depmode=dashmstdout +fi + +cygpath_u="cygpath -u -f -" +if test "$depmode" = msvcmsys; then + # This is just like msvisualcpp but w/o cygpath translation. + # Just convert the backslash-escaped backslashes to single forward + # slashes to satisfy depend.m4 + cygpath_u='sed s,\\\\,/,g' + depmode=msvisualcpp +fi + +if test "$depmode" = msvc7msys; then + # This is just like msvc7 but w/o cygpath translation. + # Just convert the backslash-escaped backslashes to single forward + # slashes to satisfy depend.m4 + cygpath_u='sed s,\\\\,/,g' + depmode=msvc7 +fi + +if test "$depmode" = xlc; then + # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. + gccflag=-qmakedep=gcc,-MF + depmode=gcc +fi + +case "$depmode" in +gcc3) +## gcc 3 implements dependency tracking that does exactly what +## we want. Yay! Note: for some reason libtool 1.4 doesn't like +## it if -MD -MP comes after the -MF stuff. Hmm. +## Unfortunately, FreeBSD c89 acceptance of flags depends upon +## the command line argument order; so add the flags where they +## appear in depend2.am. Note that the slowdown incurred here +## affects only configure: in makefiles, %FASTDEP% shortcuts this. + for arg + do + case $arg in + -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; + *) set fnord "$@" "$arg" ;; + esac + shift # fnord + shift # $arg + done + "$@" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + mv "$tmpdepfile" "$depfile" + ;; + +gcc) +## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. +## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. +## (see the conditional assignment to $gccflag above). +## There are various ways to get dependency output from gcc. Here's +## why we pick this rather obscure method: +## - Don't want to use -MD because we'd like the dependencies to end +## up in a subdir. Having to rename by hand is ugly. +## (We might end up doing this anyway to support other compilers.) +## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like +## -MM, not -M (despite what the docs say). Also, it might not be +## supported by the other compilers which use the 'gcc' depmode. +## - Using -M directly means running the compiler twice (even worse +## than renaming). + if test -z "$gccflag"; then + gccflag=-MD, + fi + "$@" -Wp,"$gccflag$tmpdepfile" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + echo "$object : \\" > "$depfile" + # The second -e expression handles DOS-style file names with drive + # letters. + sed -e 's/^[^:]*: / /' \ + -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" +## This next piece of magic avoids the "deleted header file" problem. +## The problem is that when a header file which appears in a .P file +## is deleted, the dependency causes make to die (because there is +## typically no way to rebuild the header). We avoid this by adding +## dummy dependencies for each header file. Too bad gcc doesn't do +## this for us directly. +## Some versions of gcc put a space before the ':'. On the theory +## that the space means something, we add a space to the output as +## well. hp depmode also adds that space, but also prefixes the VPATH +## to the object. Take care to not repeat it in the output. +## Some versions of the HPUX 10.20 sed can't process this invocation +## correctly. Breaking it into two sed invocations is a workaround. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +sgi) + if test "$libtool" = yes; then + "$@" "-Wp,-MDupdate,$tmpdepfile" + else + "$@" -MDupdate "$tmpdepfile" + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + + if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files + echo "$object : \\" > "$depfile" + # Clip off the initial element (the dependent). Don't try to be + # clever and replace this with sed code, as IRIX sed won't handle + # lines with more than a fixed number of characters (4096 in + # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; + # the IRIX cc adds comments like '#:fec' to the end of the + # dependency line. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ + | tr "$nl" ' ' >> "$depfile" + echo >> "$depfile" + # The second pass generates a dummy entry for each header file. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ + >> "$depfile" + else + make_dummy_depfile + fi + rm -f "$tmpdepfile" + ;; + +xlc) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +aix) + # The C for AIX Compiler uses -M and outputs the dependencies + # in a .u file. In older versions, this file always lives in the + # current directory. Also, the AIX compiler puts '$object:' at the + # start of each line; $object doesn't have directory information. + # Version 6 uses the directory in both cases. + set_dir_from "$object" + set_base_from "$object" + if test "$libtool" = yes; then + tmpdepfile1=$dir$base.u + tmpdepfile2=$base.u + tmpdepfile3=$dir.libs/$base.u + "$@" -Wc,-M + else + tmpdepfile1=$dir$base.u + tmpdepfile2=$dir$base.u + tmpdepfile3=$dir$base.u + "$@" -M + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + do + test -f "$tmpdepfile" && break + done + aix_post_process_depfile + ;; + +tcc) + # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 + # FIXME: That version still under development at the moment of writing. + # Make that this statement remains true also for stable, released + # versions. + # It will wrap lines (doesn't matter whether long or short) with a + # trailing '\', as in: + # + # foo.o : \ + # foo.c \ + # foo.h \ + # + # It will put a trailing '\' even on the last line, and will use leading + # spaces rather than leading tabs (at least since its commit 0394caf7 + # "Emit spaces for -MD"). + "$@" -MD -MF "$tmpdepfile" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. + # We have to change lines of the first kind to '$object: \'. + sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" + # And for each line of the second kind, we have to emit a 'dep.h:' + # dummy dependency, to avoid the deleted-header problem. + sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile" + rm -f "$tmpdepfile" + ;; + +## The order of this option in the case statement is important, since the +## shell code in configure will try each of these formats in the order +## listed in this file. A plain '-MD' option would be understood by many +## compilers, so we must ensure this comes after the gcc and icc options. +pgcc) + # Portland's C compiler understands '-MD'. + # Will always output deps to 'file.d' where file is the root name of the + # source file under compilation, even if file resides in a subdirectory. + # The object file name does not affect the name of the '.d' file. + # pgcc 10.2 will output + # foo.o: sub/foo.c sub/foo.h + # and will wrap long lines using '\' : + # foo.o: sub/foo.c ... \ + # sub/foo.h ... \ + # ... + set_dir_from "$object" + # Use the source, not the object, to determine the base name, since + # that's sadly what pgcc will do too. + set_base_from "$source" + tmpdepfile=$base.d + + # For projects that build the same source file twice into different object + # files, the pgcc approach of using the *source* file root name can cause + # problems in parallel builds. Use a locking strategy to avoid stomping on + # the same $tmpdepfile. + lockdir=$base.d-lock + trap " + echo '$0: caught signal, cleaning up...' >&2 + rmdir '$lockdir' + exit 1 + " 1 2 13 15 + numtries=100 + i=$numtries + while test $i -gt 0; do + # mkdir is a portable test-and-set. + if mkdir "$lockdir" 2>/dev/null; then + # This process acquired the lock. + "$@" -MD + stat=$? + # Release the lock. + rmdir "$lockdir" + break + else + # If the lock is being held by a different process, wait + # until the winning process is done or we timeout. + while test -d "$lockdir" && test $i -gt 0; do + sleep 1 + i=`expr $i - 1` + done + fi + i=`expr $i - 1` + done + trap - 1 2 13 15 + if test $i -le 0; then + echo "$0: failed to acquire lock after $numtries attempts" >&2 + echo "$0: check lockdir '$lockdir'" >&2 + exit 1 + fi + + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + # Each line is of the form `foo.o: dependent.h', + # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. + # Do two passes, one to just change these to + # `$object: dependent.h' and one to simply `dependent.h:'. + sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process this invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp2) + # The "hp" stanza above does not work with aCC (C++) and HP's ia64 + # compilers, which have integrated preprocessors. The correct option + # to use with these is +Maked; it writes dependencies to a file named + # 'foo.d', which lands next to the object file, wherever that + # happens to be. + # Much of this is similar to the tru64 case; see comments there. + set_dir_from "$object" + set_base_from "$object" + if test "$libtool" = yes; then + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir.libs/$base.d + "$@" -Wc,+Maked + else + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir$base.d + "$@" +Maked + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" + do + test -f "$tmpdepfile" && break + done + if test -f "$tmpdepfile"; then + sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile" + # Add 'dependent.h:' lines. + sed -ne '2,${ + s/^ *// + s/ \\*$// + s/$/:/ + p + }' "$tmpdepfile" >> "$depfile" + else + make_dummy_depfile + fi + rm -f "$tmpdepfile" "$tmpdepfile2" + ;; + +tru64) + # The Tru64 compiler uses -MD to generate dependencies as a side + # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. + # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put + # dependencies in 'foo.d' instead, so we check for that too. + # Subdirectories are respected. + set_dir_from "$object" + set_base_from "$object" + + if test "$libtool" = yes; then + # Libtool generates 2 separate objects for the 2 libraries. These + # two compilations output dependencies in $dir.libs/$base.o.d and + # in $dir$base.o.d. We have to check for both files, because + # one of the two compilations can be disabled. We should prefer + # $dir$base.o.d over $dir.libs/$base.o.d because the latter is + # automatically cleaned when .libs/ is deleted, while ignoring + # the former would cause a distcleancheck panic. + tmpdepfile1=$dir$base.o.d # libtool 1.5 + tmpdepfile2=$dir.libs/$base.o.d # Likewise. + tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504 + "$@" -Wc,-MD + else + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir$base.d + tmpdepfile3=$dir$base.d + "$@" -MD + fi + + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + do + test -f "$tmpdepfile" && break + done + # Same post-processing that is required for AIX mode. + aix_post_process_depfile + ;; + +msvc7) + if test "$libtool" = yes; then + showIncludes=-Wc,-showIncludes + else + showIncludes=-showIncludes + fi + "$@" $showIncludes > "$tmpdepfile" + stat=$? + grep -v '^Note: including file: ' "$tmpdepfile" + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + echo "$object : \\" > "$depfile" + # The first sed program below extracts the file names and escapes + # backslashes for cygpath. The second sed program outputs the file + # name when reading, but also accumulates all include files in the + # hold buffer in order to output them again at the end. This only + # works with sed implementations that can handle large buffers. + sed < "$tmpdepfile" -n ' +/^Note: including file: *\(.*\)/ { + s//\1/ + s/\\/\\\\/g + p +}' | $cygpath_u | sort -u | sed -n ' +s/ /\\ /g +s/\(.*\)/'"$tab"'\1 \\/p +s/.\(.*\) \\/\1:/ +H +$ { + s/.*/'"$tab"'/ + G + p +}' >> "$depfile" + echo >> "$depfile" # make sure the fragment doesn't end with a backslash + rm -f "$tmpdepfile" + ;; + +msvc7msys) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +#nosideeffect) + # This comment above is used by automake to tell side-effect + # dependency tracking mechanisms from slower ones. + +dashmstdout) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout, regardless of -o. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + # Remove '-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + test -z "$dashmflag" && dashmflag=-M + # Require at least two characters before searching for ':' + # in the target name. This is to cope with DOS-style filenames: + # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise. + "$@" $dashmflag | + sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile" + rm -f "$depfile" + cat < "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process this sed invocation + # correctly. Breaking it into two sed invocations is a workaround. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +dashXmstdout) + # This case only exists to satisfy depend.m4. It is never actually + # run, as this mode is specially recognized in the preamble. + exit 1 + ;; + +makedepend) + "$@" || exit $? + # Remove any Libtool call + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + # X makedepend + shift + cleared=no eat=no + for arg + do + case $cleared in + no) + set ""; shift + cleared=yes ;; + esac + if test $eat = yes; then + eat=no + continue + fi + case "$arg" in + -D*|-I*) + set fnord "$@" "$arg"; shift ;; + # Strip any option that makedepend may not understand. Remove + # the object too, otherwise makedepend will parse it as a source file. + -arch) + eat=yes ;; + -*|$object) + ;; + *) + set fnord "$@" "$arg"; shift ;; + esac + done + obj_suffix=`echo "$object" | sed 's/^.*\././'` + touch "$tmpdepfile" + ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" + rm -f "$depfile" + # makedepend may prepend the VPATH from the source file name to the object. + # No need to regex-escape $object, excess matching of '.' is harmless. + sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process the last invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed '1,2d' "$tmpdepfile" \ + | tr ' ' "$nl" \ + | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" "$tmpdepfile".bak + ;; + +cpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + # Remove '-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + "$@" -E \ + | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ + -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ + | sed '$ s: \\$::' > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + cat < "$tmpdepfile" >> "$depfile" + sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvisualcpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + IFS=" " + for arg + do + case "$arg" in + -o) + shift + ;; + $object) + shift + ;; + "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") + set fnord "$@" + shift + shift + ;; + *) + set fnord "$@" "$arg" + shift + shift + ;; + esac + done + "$@" -E 2>/dev/null | + sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile" + echo "$tab" >> "$depfile" + sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvcmsys) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +none) + exec "$@" + ;; + +*) + echo "Unknown depmode $depmode" 1>&2 + exit 1 + ;; +esac + +exit 0 + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'before-save-hook 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC0" +# time-stamp-end: "; # UTC" +# End: diff --git a/build-aux/install-sh b/build-aux/install-sh new file mode 100755 index 0000000..ec298b5 --- /dev/null +++ b/build-aux/install-sh @@ -0,0 +1,541 @@ +#!/bin/sh +# install - install a program, script, or datafile + +scriptversion=2020-11-14.01; # UTC + +# This originates from X11R5 (mit/util/scripts/install.sh), which was +# later released in X11R6 (xc/config/util/install.sh) with the +# following copyright and license. +# +# Copyright (C) 1994 X Consortium +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to +# deal in the Software without restriction, including without limitation the +# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +# sell copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- +# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# +# Except as contained in this notice, the name of the X Consortium shall not +# be used in advertising or otherwise to promote the sale, use or other deal- +# ings in this Software without prior written authorization from the X Consor- +# tium. +# +# +# FSF changes to this file are in the public domain. +# +# Calling this script install-sh is preferred over install.sh, to prevent +# 'make' implicit rules from creating a file called install from it +# when there is no Makefile. +# +# This script is compatible with the BSD install script, but was written +# from scratch. + +tab=' ' +nl=' +' +IFS=" $tab$nl" + +# Set DOITPROG to "echo" to test this script. + +doit=${DOITPROG-} +doit_exec=${doit:-exec} + +# Put in absolute file names if you don't have them in your path; +# or use environment vars. + +chgrpprog=${CHGRPPROG-chgrp} +chmodprog=${CHMODPROG-chmod} +chownprog=${CHOWNPROG-chown} +cmpprog=${CMPPROG-cmp} +cpprog=${CPPROG-cp} +mkdirprog=${MKDIRPROG-mkdir} +mvprog=${MVPROG-mv} +rmprog=${RMPROG-rm} +stripprog=${STRIPPROG-strip} + +posix_mkdir= + +# Desired mode of installed file. +mode=0755 + +# Create dirs (including intermediate dirs) using mode 755. +# This is like GNU 'install' as of coreutils 8.32 (2020). +mkdir_umask=22 + +backupsuffix= +chgrpcmd= +chmodcmd=$chmodprog +chowncmd= +mvcmd=$mvprog +rmcmd="$rmprog -f" +stripcmd= + +src= +dst= +dir_arg= +dst_arg= + +copy_on_change=false +is_target_a_directory=possibly + +usage="\ +Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE + or: $0 [OPTION]... SRCFILES... DIRECTORY + or: $0 [OPTION]... -t DIRECTORY SRCFILES... + or: $0 [OPTION]... -d DIRECTORIES... + +In the 1st form, copy SRCFILE to DSTFILE. +In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. +In the 4th, create DIRECTORIES. + +Options: + --help display this help and exit. + --version display version info and exit. + + -c (ignored) + -C install only if different (preserve data modification time) + -d create directories instead of installing files. + -g GROUP $chgrpprog installed files to GROUP. + -m MODE $chmodprog installed files to MODE. + -o USER $chownprog installed files to USER. + -p pass -p to $cpprog. + -s $stripprog installed files. + -S SUFFIX attempt to back up existing files, with suffix SUFFIX. + -t DIRECTORY install into DIRECTORY. + -T report an error if DSTFILE is a directory. + +Environment variables override the default commands: + CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG + RMPROG STRIPPROG + +By default, rm is invoked with -f; when overridden with RMPROG, +it's up to you to specify -f if you want it. + +If -S is not specified, no backups are attempted. + +Email bug reports to bug-automake@gnu.org. +Automake home page: https://www.gnu.org/software/automake/ +" + +while test $# -ne 0; do + case $1 in + -c) ;; + + -C) copy_on_change=true;; + + -d) dir_arg=true;; + + -g) chgrpcmd="$chgrpprog $2" + shift;; + + --help) echo "$usage"; exit $?;; + + -m) mode=$2 + case $mode in + *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*) + echo "$0: invalid mode: $mode" >&2 + exit 1;; + esac + shift;; + + -o) chowncmd="$chownprog $2" + shift;; + + -p) cpprog="$cpprog -p";; + + -s) stripcmd=$stripprog;; + + -S) backupsuffix="$2" + shift;; + + -t) + is_target_a_directory=always + dst_arg=$2 + # Protect names problematic for 'test' and other utilities. + case $dst_arg in + -* | [=\(\)!]) dst_arg=./$dst_arg;; + esac + shift;; + + -T) is_target_a_directory=never;; + + --version) echo "$0 $scriptversion"; exit $?;; + + --) shift + break;; + + -*) echo "$0: invalid option: $1" >&2 + exit 1;; + + *) break;; + esac + shift +done + +# We allow the use of options -d and -T together, by making -d +# take the precedence; this is for compatibility with GNU install. + +if test -n "$dir_arg"; then + if test -n "$dst_arg"; then + echo "$0: target directory not allowed when installing a directory." >&2 + exit 1 + fi +fi + +if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then + # When -d is used, all remaining arguments are directories to create. + # When -t is used, the destination is already specified. + # Otherwise, the last argument is the destination. Remove it from $@. + for arg + do + if test -n "$dst_arg"; then + # $@ is not empty: it contains at least $arg. + set fnord "$@" "$dst_arg" + shift # fnord + fi + shift # arg + dst_arg=$arg + # Protect names problematic for 'test' and other utilities. + case $dst_arg in + -* | [=\(\)!]) dst_arg=./$dst_arg;; + esac + done +fi + +if test $# -eq 0; then + if test -z "$dir_arg"; then + echo "$0: no input file specified." >&2 + exit 1 + fi + # It's OK to call 'install-sh -d' without argument. + # This can happen when creating conditional directories. + exit 0 +fi + +if test -z "$dir_arg"; then + if test $# -gt 1 || test "$is_target_a_directory" = always; then + if test ! -d "$dst_arg"; then + echo "$0: $dst_arg: Is not a directory." >&2 + exit 1 + fi + fi +fi + +if test -z "$dir_arg"; then + do_exit='(exit $ret); exit $ret' + trap "ret=129; $do_exit" 1 + trap "ret=130; $do_exit" 2 + trap "ret=141; $do_exit" 13 + trap "ret=143; $do_exit" 15 + + # Set umask so as not to create temps with too-generous modes. + # However, 'strip' requires both read and write access to temps. + case $mode in + # Optimize common cases. + *644) cp_umask=133;; + *755) cp_umask=22;; + + *[0-7]) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw='% 200' + fi + cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;; + *) + if test -z "$stripcmd"; then + u_plus_rw= + else + u_plus_rw=,u+rw + fi + cp_umask=$mode$u_plus_rw;; + esac +fi + +for src +do + # Protect names problematic for 'test' and other utilities. + case $src in + -* | [=\(\)!]) src=./$src;; + esac + + if test -n "$dir_arg"; then + dst=$src + dstdir=$dst + test -d "$dstdir" + dstdir_status=$? + # Don't chown directories that already exist. + if test $dstdir_status = 0; then + chowncmd="" + fi + else + + # Waiting for this to be detected by the "$cpprog $src $dsttmp" command + # might cause directories to be created, which would be especially bad + # if $src (and thus $dsttmp) contains '*'. + if test ! -f "$src" && test ! -d "$src"; then + echo "$0: $src does not exist." >&2 + exit 1 + fi + + if test -z "$dst_arg"; then + echo "$0: no destination specified." >&2 + exit 1 + fi + dst=$dst_arg + + # If destination is a directory, append the input filename. + if test -d "$dst"; then + if test "$is_target_a_directory" = never; then + echo "$0: $dst_arg: Is a directory" >&2 + exit 1 + fi + dstdir=$dst + dstbase=`basename "$src"` + case $dst in + */) dst=$dst$dstbase;; + *) dst=$dst/$dstbase;; + esac + dstdir_status=0 + else + dstdir=`dirname "$dst"` + test -d "$dstdir" + dstdir_status=$? + fi + fi + + case $dstdir in + */) dstdirslash=$dstdir;; + *) dstdirslash=$dstdir/;; + esac + + obsolete_mkdir_used=false + + if test $dstdir_status != 0; then + case $posix_mkdir in + '') + # With -d, create the new directory with the user-specified mode. + # Otherwise, rely on $mkdir_umask. + if test -n "$dir_arg"; then + mkdir_mode=-m$mode + else + mkdir_mode= + fi + + posix_mkdir=false + # The $RANDOM variable is not portable (e.g., dash). Use it + # here however when possible just to lower collision chance. + tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ + + trap ' + ret=$? + rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null + exit $ret + ' 0 + + # Because "mkdir -p" follows existing symlinks and we likely work + # directly in world-writeable /tmp, make sure that the '$tmpdir' + # directory is successfully created first before we actually test + # 'mkdir -p'. + if (umask $mkdir_umask && + $mkdirprog $mkdir_mode "$tmpdir" && + exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1 + then + if test -z "$dir_arg" || { + # Check for POSIX incompatibilities with -m. + # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or + # other-writable bit of parent directory when it shouldn't. + # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. + test_tmpdir="$tmpdir/a" + ls_ld_tmpdir=`ls -ld "$test_tmpdir"` + case $ls_ld_tmpdir in + d????-?r-*) different_mode=700;; + d????-?--*) different_mode=755;; + *) false;; + esac && + $mkdirprog -m$different_mode -p -- "$test_tmpdir" && { + ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"` + test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" + } + } + then posix_mkdir=: + fi + rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" + else + # Remove any dirs left behind by ancient mkdir implementations. + rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null + fi + trap '' 0;; + esac + + if + $posix_mkdir && ( + umask $mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" + ) + then : + else + + # mkdir does not conform to POSIX, + # or it failed possibly due to a race condition. Create the + # directory the slow way, step by step, checking for races as we go. + + case $dstdir in + /*) prefix='/';; + [-=\(\)!]*) prefix='./';; + *) prefix='';; + esac + + oIFS=$IFS + IFS=/ + set -f + set fnord $dstdir + shift + set +f + IFS=$oIFS + + prefixes= + + for d + do + test X"$d" = X && continue + + prefix=$prefix$d + if test -d "$prefix"; then + prefixes= + else + if $posix_mkdir; then + (umask $mkdir_umask && + $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break + # Don't fail if two instances are running concurrently. + test -d "$prefix" || exit 1 + else + case $prefix in + *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; + *) qprefix=$prefix;; + esac + prefixes="$prefixes '$qprefix'" + fi + fi + prefix=$prefix/ + done + + if test -n "$prefixes"; then + # Don't fail if two instances are running concurrently. + (umask $mkdir_umask && + eval "\$doit_exec \$mkdirprog $prefixes") || + test -d "$dstdir" || exit 1 + obsolete_mkdir_used=true + fi + fi + fi + + if test -n "$dir_arg"; then + { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && + { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || + test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 + else + + # Make a couple of temp file names in the proper directory. + dsttmp=${dstdirslash}_inst.$$_ + rmtmp=${dstdirslash}_rm.$$_ + + # Trap to clean up those temp files at exit. + trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 + + # Copy the file name to the temp name. + (umask $cp_umask && + { test -z "$stripcmd" || { + # Create $dsttmp read-write so that cp doesn't create it read-only, + # which would cause strip to fail. + if test -z "$doit"; then + : >"$dsttmp" # No need to fork-exec 'touch'. + else + $doit touch "$dsttmp" + fi + } + } && + $doit_exec $cpprog "$src" "$dsttmp") && + + # and set any options; do chmod last to preserve setuid bits. + # + # If any of these fail, we abort the whole thing. If we want to + # ignore errors from any of these, just make sure not to ignore + # errors from the above "$doit $cpprog $src $dsttmp" command. + # + { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && + { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && + { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && + { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && + + # If -C, don't bother to copy if it wouldn't change the file. + if $copy_on_change && + old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && + new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && + set -f && + set X $old && old=:$2:$4:$5:$6 && + set X $new && new=:$2:$4:$5:$6 && + set +f && + test "$old" = "$new" && + $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 + then + rm -f "$dsttmp" + else + # If $backupsuffix is set, and the file being installed + # already exists, attempt a backup. Don't worry if it fails, + # e.g., if mv doesn't support -f. + if test -n "$backupsuffix" && test -f "$dst"; then + $doit $mvcmd -f "$dst" "$dst$backupsuffix" 2>/dev/null + fi + + # Rename the file to the real destination. + $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || + + # The rename failed, perhaps because mv can't rename something else + # to itself, or perhaps because mv is so ancient that it does not + # support -f. + { + # Now remove or move aside any old file at destination location. + # We try this two ways since rm can't unlink itself on some + # systems and the destination file might be busy for other + # reasons. In this case, the final cleanup might fail but the new + # file should still install successfully. + { + test ! -f "$dst" || + $doit $rmcmd "$dst" 2>/dev/null || + { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && + { $doit $rmcmd "$rmtmp" 2>/dev/null; :; } + } || + { echo "$0: cannot unlink or rename $dst" >&2 + (exit 1); exit 1 + } + } && + + # Now rename the file to the real destination. + $doit $mvcmd "$dsttmp" "$dst" + } + fi || exit 1 + + trap '' 0 + fi +done + +# Local variables: +# eval: (add-hook 'before-save-hook 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC0" +# time-stamp-end: "; # UTC" +# End: diff --git a/build-aux/ltmain.sh b/build-aux/ltmain.sh new file mode 100644 index 0000000..b529753 --- /dev/null +++ b/build-aux/ltmain.sh @@ -0,0 +1,11381 @@ +#! /bin/sh +## DO NOT EDIT - This file generated from ./build-aux/ltmain.in +## by inline-source v2019-02-19.15 + +# libtool (GNU libtool) 2.4.6 +# Provide generalized library-building support services. +# Written by Gordon Matzigkeit , 1996 + +# Copyright (C) 1996-2019 Free Software Foundation, Inc. +# This is free software; see the source for copying conditions. There is NO +# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +# GNU Libtool is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# As a special exception to the GNU General Public License, +# if you distribute this file as part of a program or library that +# is built using GNU Libtool, you may include this file under the +# same distribution terms that you use for the rest of that program. +# +# GNU Libtool is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + + +PROGRAM=libtool +PACKAGE=libtool +VERSION=2.4.6 +package_revision=2.4.6 + + +## ------ ## +## Usage. ## +## ------ ## + +# Run './libtool --help' for help with using this script from the +# command line. + + +## ------------------------------- ## +## User overridable command paths. ## +## ------------------------------- ## + +# After configure completes, it has a better idea of some of the +# shell tools we need than the defaults used by the functions shared +# with bootstrap, so set those here where they can still be over- +# ridden by the user, but otherwise take precedence. + +: ${AUTOCONF="autoconf"} +: ${AUTOMAKE="automake"} + + +## -------------------------- ## +## Source external libraries. ## +## -------------------------- ## + +# Much of our low-level functionality needs to be sourced from external +# libraries, which are installed to $pkgauxdir. + +# Set a version string for this script. +scriptversion=2019-02-19.15; # UTC + +# General shell script boiler plate, and helper functions. +# Written by Gary V. Vaughan, 2004 + +# This is free software. There is NO warranty; not even for +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# +# Copyright (C) 2004-2019 Bootstrap Authors +# +# This file is dual licensed under the terms of the MIT license +# , and GPL version 2 or later +# . You must apply one of +# these licenses when using or redistributing this software or any of +# the files within it. See the URLs above, or the file `LICENSE` +# included in the Bootstrap distribution for the full license texts. + +# Please report bugs or propose patches to: +# + + +## ------ ## +## Usage. ## +## ------ ## + +# Evaluate this file near the top of your script to gain access to +# the functions and variables defined here: +# +# . `echo "$0" | ${SED-sed} 's|[^/]*$||'`/build-aux/funclib.sh +# +# If you need to override any of the default environment variable +# settings, do that before evaluating this file. + + +## -------------------- ## +## Shell normalisation. ## +## -------------------- ## + +# Some shells need a little help to be as Bourne compatible as possible. +# Before doing anything else, make sure all that help has been provided! + +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in *posix*) set -o posix ;; esac +fi + +# NLS nuisances: We save the old values in case they are required later. +_G_user_locale= +_G_safe_locale= +for _G_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES +do + eval "if test set = \"\${$_G_var+set}\"; then + save_$_G_var=\$$_G_var + $_G_var=C + export $_G_var + _G_user_locale=\"$_G_var=\\\$save_\$_G_var; \$_G_user_locale\" + _G_safe_locale=\"$_G_var=C; \$_G_safe_locale\" + fi" +done + +# Make sure IFS has a sensible default +sp=' ' +nl=' +' +IFS="$sp $nl" + +# There are apparently some retarded systems that use ';' as a PATH separator! +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# func_unset VAR +# -------------- +# Portably unset VAR. +# In some shells, an 'unset VAR' statement leaves a non-zero return +# status if VAR is already unset, which might be problematic if the +# statement is used at the end of a function (thus poisoning its return +# value) or when 'set -e' is active (causing even a spurious abort of +# the script in this case). +func_unset () +{ + { eval $1=; (eval unset $1) >/dev/null 2>&1 && eval unset $1 || : ; } +} + + +# Make sure CDPATH doesn't cause `cd` commands to output the target dir. +func_unset CDPATH + +# Make sure ${,E,F}GREP behave sanely. +func_unset GREP_OPTIONS + + +## ------------------------- ## +## Locate command utilities. ## +## ------------------------- ## + + +# func_executable_p FILE +# ---------------------- +# Check that FILE is an executable regular file. +func_executable_p () +{ + test -f "$1" && test -x "$1" +} + + +# func_path_progs PROGS_LIST CHECK_FUNC [PATH] +# -------------------------------------------- +# Search for either a program that responds to --version with output +# containing "GNU", or else returned by CHECK_FUNC otherwise, by +# trying all the directories in PATH with each of the elements of +# PROGS_LIST. +# +# CHECK_FUNC should accept the path to a candidate program, and +# set $func_check_prog_result if it truncates its output less than +# $_G_path_prog_max characters. +func_path_progs () +{ + _G_progs_list=$1 + _G_check_func=$2 + _G_PATH=${3-"$PATH"} + + _G_path_prog_max=0 + _G_path_prog_found=false + _G_save_IFS=$IFS; IFS=${PATH_SEPARATOR-:} + for _G_dir in $_G_PATH; do + IFS=$_G_save_IFS + test -z "$_G_dir" && _G_dir=. + for _G_prog_name in $_G_progs_list; do + for _exeext in '' .EXE; do + _G_path_prog=$_G_dir/$_G_prog_name$_exeext + func_executable_p "$_G_path_prog" || continue + case `"$_G_path_prog" --version 2>&1` in + *GNU*) func_path_progs_result=$_G_path_prog _G_path_prog_found=: ;; + *) $_G_check_func $_G_path_prog + func_path_progs_result=$func_check_prog_result + ;; + esac + $_G_path_prog_found && break 3 + done + done + done + IFS=$_G_save_IFS + test -z "$func_path_progs_result" && { + echo "no acceptable sed could be found in \$PATH" >&2 + exit 1 + } +} + + +# We want to be able to use the functions in this file before configure +# has figured out where the best binaries are kept, which means we have +# to search for them ourselves - except when the results are already set +# where we skip the searches. + +# Unless the user overrides by setting SED, search the path for either GNU +# sed, or the sed that truncates its output the least. +test -z "$SED" && { + _G_sed_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/ + for _G_i in 1 2 3 4 5 6 7; do + _G_sed_script=$_G_sed_script$nl$_G_sed_script + done + echo "$_G_sed_script" 2>/dev/null | sed 99q >conftest.sed + _G_sed_script= + + func_check_prog_sed () + { + _G_path_prog=$1 + + _G_count=0 + printf 0123456789 >conftest.in + while : + do + cat conftest.in conftest.in >conftest.tmp + mv conftest.tmp conftest.in + cp conftest.in conftest.nl + echo '' >> conftest.nl + "$_G_path_prog" -f conftest.sed conftest.out 2>/dev/null || break + diff conftest.out conftest.nl >/dev/null 2>&1 || break + _G_count=`expr $_G_count + 1` + if test "$_G_count" -gt "$_G_path_prog_max"; then + # Best one so far, save it but keep looking for a better one + func_check_prog_result=$_G_path_prog + _G_path_prog_max=$_G_count + fi + # 10*(2^10) chars as input seems more than enough + test 10 -lt "$_G_count" && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out + } + + func_path_progs "sed gsed" func_check_prog_sed "$PATH:/usr/xpg4/bin" + rm -f conftest.sed + SED=$func_path_progs_result +} + + +# Unless the user overrides by setting GREP, search the path for either GNU +# grep, or the grep that truncates its output the least. +test -z "$GREP" && { + func_check_prog_grep () + { + _G_path_prog=$1 + + _G_count=0 + _G_path_prog_max=0 + printf 0123456789 >conftest.in + while : + do + cat conftest.in conftest.in >conftest.tmp + mv conftest.tmp conftest.in + cp conftest.in conftest.nl + echo 'GREP' >> conftest.nl + "$_G_path_prog" -e 'GREP$' -e '-(cannot match)-' conftest.out 2>/dev/null || break + diff conftest.out conftest.nl >/dev/null 2>&1 || break + _G_count=`expr $_G_count + 1` + if test "$_G_count" -gt "$_G_path_prog_max"; then + # Best one so far, save it but keep looking for a better one + func_check_prog_result=$_G_path_prog + _G_path_prog_max=$_G_count + fi + # 10*(2^10) chars as input seems more than enough + test 10 -lt "$_G_count" && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out + } + + func_path_progs "grep ggrep" func_check_prog_grep "$PATH:/usr/xpg4/bin" + GREP=$func_path_progs_result +} + + +## ------------------------------- ## +## User overridable command paths. ## +## ------------------------------- ## + +# All uppercase variable names are used for environment variables. These +# variables can be overridden by the user before calling a script that +# uses them if a suitable command of that name is not already available +# in the command search PATH. + +: ${CP="cp -f"} +: ${ECHO="printf %s\n"} +: ${EGREP="$GREP -E"} +: ${FGREP="$GREP -F"} +: ${LN_S="ln -s"} +: ${MAKE="make"} +: ${MKDIR="mkdir"} +: ${MV="mv -f"} +: ${RM="rm -f"} +: ${SHELL="${CONFIG_SHELL-/bin/sh}"} + + +## -------------------- ## +## Useful sed snippets. ## +## -------------------- ## + +sed_dirname='s|/[^/]*$||' +sed_basename='s|^.*/||' + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +sed_quote_subst='s|\([`"$\\]\)|\\\1|g' + +# Same as above, but do not quote variable references. +sed_double_quote_subst='s/\(["`\\]\)/\\\1/g' + +# Sed substitution that turns a string into a regex matching for the +# string literally. +sed_make_literal_regex='s|[].[^$\\*\/]|\\&|g' + +# Sed substitution that converts a w32 file name or path +# that contains forward slashes, into one that contains +# (escaped) backslashes. A very naive implementation. +sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' + +# Re-'\' parameter expansions in output of sed_double_quote_subst that +# were '\'-ed in input to the same. If an odd number of '\' preceded a +# '$' in input to sed_double_quote_subst, that '$' was protected from +# expansion. Since each input '\' is now two '\'s, look for any number +# of runs of four '\'s followed by two '\'s and then a '$'. '\' that '$'. +_G_bs='\\' +_G_bs2='\\\\' +_G_bs4='\\\\\\\\' +_G_dollar='\$' +sed_double_backslash="\ + s/$_G_bs4/&\\ +/g + s/^$_G_bs2$_G_dollar/$_G_bs&/ + s/\\([^$_G_bs]\\)$_G_bs2$_G_dollar/\\1$_G_bs2$_G_bs$_G_dollar/g + s/\n//g" + + +## ----------------- ## +## Global variables. ## +## ----------------- ## + +# Except for the global variables explicitly listed below, the following +# functions in the '^func_' namespace, and the '^require_' namespace +# variables initialised in the 'Resource management' section, sourcing +# this file will not pollute your global namespace with anything +# else. There's no portable way to scope variables in Bourne shell +# though, so actually running these functions will sometimes place +# results into a variable named after the function, and often use +# temporary variables in the '^_G_' namespace. If you are careful to +# avoid using those namespaces casually in your sourcing script, things +# should continue to work as you expect. And, of course, you can freely +# overwrite any of the functions or variables defined here before +# calling anything to customize them. + +EXIT_SUCCESS=0 +EXIT_FAILURE=1 +EXIT_MISMATCH=63 # $? = 63 is used to indicate version mismatch to missing. +EXIT_SKIP=77 # $? = 77 is used to indicate a skipped test to automake. + +# Allow overriding, eg assuming that you follow the convention of +# putting '$debug_cmd' at the start of all your functions, you can get +# bash to show function call trace with: +# +# debug_cmd='eval echo "${FUNCNAME[0]} $*" >&2' bash your-script-name +debug_cmd=${debug_cmd-":"} +exit_cmd=: + +# By convention, finish your script with: +# +# exit $exit_status +# +# so that you can set exit_status to non-zero if you want to indicate +# something went wrong during execution without actually bailing out at +# the point of failure. +exit_status=$EXIT_SUCCESS + +# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh +# is ksh but when the shell is invoked as "sh" and the current value of +# the _XPG environment variable is not equal to 1 (one), the special +# positional parameter $0, within a function call, is the name of the +# function. +progpath=$0 + +# The name of this program. +progname=`$ECHO "$progpath" |$SED "$sed_basename"` + +# Make sure we have an absolute progpath for reexecution: +case $progpath in + [\\/]*|[A-Za-z]:\\*) ;; + *[\\/]*) + progdir=`$ECHO "$progpath" |$SED "$sed_dirname"` + progdir=`cd "$progdir" && pwd` + progpath=$progdir/$progname + ;; + *) + _G_IFS=$IFS + IFS=${PATH_SEPARATOR-:} + for progdir in $PATH; do + IFS=$_G_IFS + test -x "$progdir/$progname" && break + done + IFS=$_G_IFS + test -n "$progdir" || progdir=`pwd` + progpath=$progdir/$progname + ;; +esac + + +## ----------------- ## +## Standard options. ## +## ----------------- ## + +# The following options affect the operation of the functions defined +# below, and should be set appropriately depending on run-time para- +# meters passed on the command line. + +opt_dry_run=false +opt_quiet=false +opt_verbose=false + +# Categories 'all' and 'none' are always available. Append any others +# you will pass as the first argument to func_warning from your own +# code. +warning_categories= + +# By default, display warnings according to 'opt_warning_types'. Set +# 'warning_func' to ':' to elide all warnings, or func_fatal_error to +# treat the next displayed warning as a fatal error. +warning_func=func_warn_and_continue + +# Set to 'all' to display all warnings, 'none' to suppress all +# warnings, or a space delimited list of some subset of +# 'warning_categories' to display only the listed warnings. +opt_warning_types=all + + +## -------------------- ## +## Resource management. ## +## -------------------- ## + +# This section contains definitions for functions that each ensure a +# particular resource (a file, or a non-empty configuration variable for +# example) is available, and if appropriate to extract default values +# from pertinent package files. Call them using their associated +# 'require_*' variable to ensure that they are executed, at most, once. +# +# It's entirely deliberate that calling these functions can set +# variables that don't obey the namespace limitations obeyed by the rest +# of this file, in order that that they be as useful as possible to +# callers. + + +# require_term_colors +# ------------------- +# Allow display of bold text on terminals that support it. +require_term_colors=func_require_term_colors +func_require_term_colors () +{ + $debug_cmd + + test -t 1 && { + # COLORTERM and USE_ANSI_COLORS environment variables take + # precedence, because most terminfo databases neglect to describe + # whether color sequences are supported. + test -n "${COLORTERM+set}" && : ${USE_ANSI_COLORS="1"} + + if test 1 = "$USE_ANSI_COLORS"; then + # Standard ANSI escape sequences + tc_reset='' + tc_bold=''; tc_standout='' + tc_red=''; tc_green='' + tc_blue=''; tc_cyan='' + else + # Otherwise trust the terminfo database after all. + test -n "`tput sgr0 2>/dev/null`" && { + tc_reset=`tput sgr0` + test -n "`tput bold 2>/dev/null`" && tc_bold=`tput bold` + tc_standout=$tc_bold + test -n "`tput smso 2>/dev/null`" && tc_standout=`tput smso` + test -n "`tput setaf 1 2>/dev/null`" && tc_red=`tput setaf 1` + test -n "`tput setaf 2 2>/dev/null`" && tc_green=`tput setaf 2` + test -n "`tput setaf 4 2>/dev/null`" && tc_blue=`tput setaf 4` + test -n "`tput setaf 5 2>/dev/null`" && tc_cyan=`tput setaf 5` + } + fi + } + + require_term_colors=: +} + + +## ----------------- ## +## Function library. ## +## ----------------- ## + +# This section contains a variety of useful functions to call in your +# scripts. Take note of the portable wrappers for features provided by +# some modern shells, which will fall back to slower equivalents on +# less featureful shells. + + +# func_append VAR VALUE +# --------------------- +# Append VALUE onto the existing contents of VAR. + + # We should try to minimise forks, especially on Windows where they are + # unreasonably slow, so skip the feature probes when bash or zsh are + # being used: + if test set = "${BASH_VERSION+set}${ZSH_VERSION+set}"; then + : ${_G_HAVE_ARITH_OP="yes"} + : ${_G_HAVE_XSI_OPS="yes"} + # The += operator was introduced in bash 3.1 + case $BASH_VERSION in + [12].* | 3.0 | 3.0*) ;; + *) + : ${_G_HAVE_PLUSEQ_OP="yes"} + ;; + esac + fi + + # _G_HAVE_PLUSEQ_OP + # Can be empty, in which case the shell is probed, "yes" if += is + # useable or anything else if it does not work. + test -z "$_G_HAVE_PLUSEQ_OP" \ + && (eval 'x=a; x+=" b"; test "a b" = "$x"') 2>/dev/null \ + && _G_HAVE_PLUSEQ_OP=yes + +if test yes = "$_G_HAVE_PLUSEQ_OP" +then + # This is an XSI compatible shell, allowing a faster implementation... + eval 'func_append () + { + $debug_cmd + + eval "$1+=\$2" + }' +else + # ...otherwise fall back to using expr, which is often a shell builtin. + func_append () + { + $debug_cmd + + eval "$1=\$$1\$2" + } +fi + + +# func_append_quoted VAR VALUE +# ---------------------------- +# Quote VALUE and append to the end of shell variable VAR, separated +# by a space. +if test yes = "$_G_HAVE_PLUSEQ_OP"; then + eval 'func_append_quoted () + { + $debug_cmd + + func_quote_arg pretty "$2" + eval "$1+=\\ \$func_quote_arg_result" + }' +else + func_append_quoted () + { + $debug_cmd + + func_quote_arg pretty "$2" + eval "$1=\$$1\\ \$func_quote_arg_result" + } +fi + + +# func_append_uniq VAR VALUE +# -------------------------- +# Append unique VALUE onto the existing contents of VAR, assuming +# entries are delimited by the first character of VALUE. For example: +# +# func_append_uniq options " --another-option option-argument" +# +# will only append to $options if " --another-option option-argument " +# is not already present somewhere in $options already (note spaces at +# each end implied by leading space in second argument). +func_append_uniq () +{ + $debug_cmd + + eval _G_current_value='`$ECHO $'$1'`' + _G_delim=`expr "$2" : '\(.\)'` + + case $_G_delim$_G_current_value$_G_delim in + *"$2$_G_delim"*) ;; + *) func_append "$@" ;; + esac +} + + +# func_arith TERM... +# ------------------ +# Set func_arith_result to the result of evaluating TERMs. + test -z "$_G_HAVE_ARITH_OP" \ + && (eval 'test 2 = $(( 1 + 1 ))') 2>/dev/null \ + && _G_HAVE_ARITH_OP=yes + +if test yes = "$_G_HAVE_ARITH_OP"; then + eval 'func_arith () + { + $debug_cmd + + func_arith_result=$(( $* )) + }' +else + func_arith () + { + $debug_cmd + + func_arith_result=`expr "$@"` + } +fi + + +# func_basename FILE +# ------------------ +# Set func_basename_result to FILE with everything up to and including +# the last / stripped. +if test yes = "$_G_HAVE_XSI_OPS"; then + # If this shell supports suffix pattern removal, then use it to avoid + # forking. Hide the definitions single quotes in case the shell chokes + # on unsupported syntax... + _b='func_basename_result=${1##*/}' + _d='case $1 in + */*) func_dirname_result=${1%/*}$2 ;; + * ) func_dirname_result=$3 ;; + esac' + +else + # ...otherwise fall back to using sed. + _b='func_basename_result=`$ECHO "$1" |$SED "$sed_basename"`' + _d='func_dirname_result=`$ECHO "$1" |$SED "$sed_dirname"` + if test "X$func_dirname_result" = "X$1"; then + func_dirname_result=$3 + else + func_append func_dirname_result "$2" + fi' +fi + +eval 'func_basename () +{ + $debug_cmd + + '"$_b"' +}' + + +# func_dirname FILE APPEND NONDIR_REPLACEMENT +# ------------------------------------------- +# Compute the dirname of FILE. If nonempty, add APPEND to the result, +# otherwise set result to NONDIR_REPLACEMENT. +eval 'func_dirname () +{ + $debug_cmd + + '"$_d"' +}' + + +# func_dirname_and_basename FILE APPEND NONDIR_REPLACEMENT +# -------------------------------------------------------- +# Perform func_basename and func_dirname in a single function +# call: +# dirname: Compute the dirname of FILE. If nonempty, +# add APPEND to the result, otherwise set result +# to NONDIR_REPLACEMENT. +# value returned in "$func_dirname_result" +# basename: Compute filename of FILE. +# value retuned in "$func_basename_result" +# For efficiency, we do not delegate to the functions above but instead +# duplicate the functionality here. +eval 'func_dirname_and_basename () +{ + $debug_cmd + + '"$_b"' + '"$_d"' +}' + + +# func_echo ARG... +# ---------------- +# Echo program name prefixed message. +func_echo () +{ + $debug_cmd + + _G_message=$* + + func_echo_IFS=$IFS + IFS=$nl + for _G_line in $_G_message; do + IFS=$func_echo_IFS + $ECHO "$progname: $_G_line" + done + IFS=$func_echo_IFS +} + + +# func_echo_all ARG... +# -------------------- +# Invoke $ECHO with all args, space-separated. +func_echo_all () +{ + $ECHO "$*" +} + + +# func_echo_infix_1 INFIX ARG... +# ------------------------------ +# Echo program name, followed by INFIX on the first line, with any +# additional lines not showing INFIX. +func_echo_infix_1 () +{ + $debug_cmd + + $require_term_colors + + _G_infix=$1; shift + _G_indent=$_G_infix + _G_prefix="$progname: $_G_infix: " + _G_message=$* + + # Strip color escape sequences before counting printable length + for _G_tc in "$tc_reset" "$tc_bold" "$tc_standout" "$tc_red" "$tc_green" "$tc_blue" "$tc_cyan" + do + test -n "$_G_tc" && { + _G_esc_tc=`$ECHO "$_G_tc" | $SED "$sed_make_literal_regex"` + _G_indent=`$ECHO "$_G_indent" | $SED "s|$_G_esc_tc||g"` + } + done + _G_indent="$progname: "`echo "$_G_indent" | $SED 's|.| |g'`" " ## exclude from sc_prohibit_nested_quotes + + func_echo_infix_1_IFS=$IFS + IFS=$nl + for _G_line in $_G_message; do + IFS=$func_echo_infix_1_IFS + $ECHO "$_G_prefix$tc_bold$_G_line$tc_reset" >&2 + _G_prefix=$_G_indent + done + IFS=$func_echo_infix_1_IFS +} + + +# func_error ARG... +# ----------------- +# Echo program name prefixed message to standard error. +func_error () +{ + $debug_cmd + + $require_term_colors + + func_echo_infix_1 " $tc_standout${tc_red}error$tc_reset" "$*" >&2 +} + + +# func_fatal_error ARG... +# ----------------------- +# Echo program name prefixed message to standard error, and exit. +func_fatal_error () +{ + $debug_cmd + + func_error "$*" + exit $EXIT_FAILURE +} + + +# func_grep EXPRESSION FILENAME +# ----------------------------- +# Check whether EXPRESSION matches any line of FILENAME, without output. +func_grep () +{ + $debug_cmd + + $GREP "$1" "$2" >/dev/null 2>&1 +} + + +# func_len STRING +# --------------- +# Set func_len_result to the length of STRING. STRING may not +# start with a hyphen. + test -z "$_G_HAVE_XSI_OPS" \ + && (eval 'x=a/b/c; + test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \ + && _G_HAVE_XSI_OPS=yes + +if test yes = "$_G_HAVE_XSI_OPS"; then + eval 'func_len () + { + $debug_cmd + + func_len_result=${#1} + }' +else + func_len () + { + $debug_cmd + + func_len_result=`expr "$1" : ".*" 2>/dev/null || echo $max_cmd_len` + } +fi + + +# func_mkdir_p DIRECTORY-PATH +# --------------------------- +# Make sure the entire path to DIRECTORY-PATH is available. +func_mkdir_p () +{ + $debug_cmd + + _G_directory_path=$1 + _G_dir_list= + + if test -n "$_G_directory_path" && test : != "$opt_dry_run"; then + + # Protect directory names starting with '-' + case $_G_directory_path in + -*) _G_directory_path=./$_G_directory_path ;; + esac + + # While some portion of DIR does not yet exist... + while test ! -d "$_G_directory_path"; do + # ...make a list in topmost first order. Use a colon delimited + # list incase some portion of path contains whitespace. + _G_dir_list=$_G_directory_path:$_G_dir_list + + # If the last portion added has no slash in it, the list is done + case $_G_directory_path in */*) ;; *) break ;; esac + + # ...otherwise throw away the child directory and loop + _G_directory_path=`$ECHO "$_G_directory_path" | $SED -e "$sed_dirname"` + done + _G_dir_list=`$ECHO "$_G_dir_list" | $SED 's|:*$||'` + + func_mkdir_p_IFS=$IFS; IFS=: + for _G_dir in $_G_dir_list; do + IFS=$func_mkdir_p_IFS + # mkdir can fail with a 'File exist' error if two processes + # try to create one of the directories concurrently. Don't + # stop in that case! + $MKDIR "$_G_dir" 2>/dev/null || : + done + IFS=$func_mkdir_p_IFS + + # Bail out if we (or some other process) failed to create a directory. + test -d "$_G_directory_path" || \ + func_fatal_error "Failed to create '$1'" + fi +} + + +# func_mktempdir [BASENAME] +# ------------------------- +# Make a temporary directory that won't clash with other running +# libtool processes, and avoids race conditions if possible. If +# given, BASENAME is the basename for that directory. +func_mktempdir () +{ + $debug_cmd + + if test : = "$opt_dry_run"; then + # Return a directory name, but don't create it in dry-run mode + _G_mktemp='mktemp -dtu' + else + _G_mktemp='mktemp -dt' + fi + + _G_tmpdir=`$_G_mktemp "${1-$progname}-XXXXXXXX"` || \ + func_fatal_error "cannot create temporary directory" + + $ECHO "$_G_tmpdir" +} + + +# func_normal_abspath PATH +# ------------------------ +# Remove doubled-up and trailing slashes, "." path components, +# and cancel out any ".." path components in PATH after making +# it an absolute path. +func_normal_abspath () +{ + $debug_cmd + + # These SED scripts presuppose an absolute path with a trailing slash. + _G_pathcar='s|^/\([^/]*\).*$|\1|' + _G_pathcdr='s|^/[^/]*||' + _G_removedotparts=':dotsl + s|/\./|/|g + t dotsl + s|/\.$|/|' + _G_collapseslashes='s|/\{1,\}|/|g' + _G_finalslash='s|/*$|/|' + + # Start from root dir and reassemble the path. + func_normal_abspath_result= + func_normal_abspath_tpath=$1 + func_normal_abspath_altnamespace= + case $func_normal_abspath_tpath in + "") + # Empty path, that just means $cwd. + func_stripname '' '/' "`pwd`" + func_normal_abspath_result=$func_stripname_result + return + ;; + # The next three entries are used to spot a run of precisely + # two leading slashes without using negated character classes; + # we take advantage of case's first-match behaviour. + ///*) + # Unusual form of absolute path, do nothing. + ;; + //*) + # Not necessarily an ordinary path; POSIX reserves leading '//' + # and for example Cygwin uses it to access remote file shares + # over CIFS/SMB, so we conserve a leading double slash if found. + func_normal_abspath_altnamespace=/ + ;; + /*) + # Absolute path, do nothing. + ;; + *) + # Relative path, prepend $cwd. + func_normal_abspath_tpath=`pwd`/$func_normal_abspath_tpath + ;; + esac + + # Cancel out all the simple stuff to save iterations. We also want + # the path to end with a slash for ease of parsing, so make sure + # there is one (and only one) here. + func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ + -e "$_G_removedotparts" -e "$_G_collapseslashes" -e "$_G_finalslash"` + while :; do + # Processed it all yet? + if test / = "$func_normal_abspath_tpath"; then + # If we ascended to the root using ".." the result may be empty now. + if test -z "$func_normal_abspath_result"; then + func_normal_abspath_result=/ + fi + break + fi + func_normal_abspath_tcomponent=`$ECHO "$func_normal_abspath_tpath" | $SED \ + -e "$_G_pathcar"` + func_normal_abspath_tpath=`$ECHO "$func_normal_abspath_tpath" | $SED \ + -e "$_G_pathcdr"` + # Figure out what to do with it + case $func_normal_abspath_tcomponent in + "") + # Trailing empty path component, ignore it. + ;; + ..) + # Parent dir; strip last assembled component from result. + func_dirname "$func_normal_abspath_result" + func_normal_abspath_result=$func_dirname_result + ;; + *) + # Actual path component, append it. + func_append func_normal_abspath_result "/$func_normal_abspath_tcomponent" + ;; + esac + done + # Restore leading double-slash if one was found on entry. + func_normal_abspath_result=$func_normal_abspath_altnamespace$func_normal_abspath_result +} + + +# func_notquiet ARG... +# -------------------- +# Echo program name prefixed message only when not in quiet mode. +func_notquiet () +{ + $debug_cmd + + $opt_quiet || func_echo ${1+"$@"} + + # A bug in bash halts the script if the last line of a function + # fails when set -e is in force, so we need another command to + # work around that: + : +} + + +# func_relative_path SRCDIR DSTDIR +# -------------------------------- +# Set func_relative_path_result to the relative path from SRCDIR to DSTDIR. +func_relative_path () +{ + $debug_cmd + + func_relative_path_result= + func_normal_abspath "$1" + func_relative_path_tlibdir=$func_normal_abspath_result + func_normal_abspath "$2" + func_relative_path_tbindir=$func_normal_abspath_result + + # Ascend the tree starting from libdir + while :; do + # check if we have found a prefix of bindir + case $func_relative_path_tbindir in + $func_relative_path_tlibdir) + # found an exact match + func_relative_path_tcancelled= + break + ;; + $func_relative_path_tlibdir*) + # found a matching prefix + func_stripname "$func_relative_path_tlibdir" '' "$func_relative_path_tbindir" + func_relative_path_tcancelled=$func_stripname_result + if test -z "$func_relative_path_result"; then + func_relative_path_result=. + fi + break + ;; + *) + func_dirname $func_relative_path_tlibdir + func_relative_path_tlibdir=$func_dirname_result + if test -z "$func_relative_path_tlibdir"; then + # Have to descend all the way to the root! + func_relative_path_result=../$func_relative_path_result + func_relative_path_tcancelled=$func_relative_path_tbindir + break + fi + func_relative_path_result=../$func_relative_path_result + ;; + esac + done + + # Now calculate path; take care to avoid doubling-up slashes. + func_stripname '' '/' "$func_relative_path_result" + func_relative_path_result=$func_stripname_result + func_stripname '/' '/' "$func_relative_path_tcancelled" + if test -n "$func_stripname_result"; then + func_append func_relative_path_result "/$func_stripname_result" + fi + + # Normalisation. If bindir is libdir, return '.' else relative path. + if test -n "$func_relative_path_result"; then + func_stripname './' '' "$func_relative_path_result" + func_relative_path_result=$func_stripname_result + fi + + test -n "$func_relative_path_result" || func_relative_path_result=. + + : +} + + +# func_quote_portable EVAL ARG +# ---------------------------- +# Internal function to portably implement func_quote_arg. Note that we still +# keep attention to performance here so we as much as possible try to avoid +# calling sed binary (so far O(N) complexity as long as func_append is O(1)). +func_quote_portable () +{ + $debug_cmd + + func_quote_portable_result=$2 + + # one-time-loop (easy break) + while true + do + if $1; then + func_quote_portable_result=`$ECHO "$2" | $SED \ + -e "$sed_double_quote_subst" -e "$sed_double_backslash"` + break + fi + + # Quote for eval. + case $func_quote_portable_result in + *[\\\`\"\$]*) + case $func_quote_portable_result in + *[\[\*\?]*) + func_quote_portable_result=`$ECHO "$func_quote_portable_result" \ + | $SED "$sed_quote_subst"` + break + ;; + esac + + func_quote_portable_old_IFS=$IFS + for _G_char in '\' '`' '"' '$' + do + # STATE($1) PREV($2) SEPARATOR($3) + set start "" "" + func_quote_portable_result=dummy"$_G_char$func_quote_portable_result$_G_char"dummy + IFS=$_G_char + for _G_part in $func_quote_portable_result + do + case $1 in + quote) + func_append func_quote_portable_result "$3$2" + set quote "$_G_part" "\\$_G_char" + ;; + start) + set first "" "" + func_quote_portable_result= + ;; + first) + set quote "$_G_part" "" + ;; + esac + done + done + IFS=$func_quote_portable_old_IFS + ;; + *) ;; + esac + break + done + + func_quote_portable_unquoted_result=$func_quote_portable_result + case $func_quote_portable_result in + # double-quote args containing shell metacharacters to delay + # word splitting, command substitution and variable expansion + # for a subsequent eval. + # many bourne shells cannot handle close brackets correctly + # in scan sets, so we specify it separately. + *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") + func_quote_portable_result=\"$func_quote_portable_result\" + ;; + esac +} + + +# func_quotefast_eval ARG +# ----------------------- +# Quote one ARG (internal). This is equivalent to 'func_quote_arg eval ARG', +# but optimized for speed. Result is stored in $func_quotefast_eval. +if test xyes = `(x=; printf -v x %q yes; echo x"$x") 2>/dev/null`; then + printf -v _GL_test_printf_tilde %q '~' + if test '\~' = "$_GL_test_printf_tilde"; then + func_quotefast_eval () + { + printf -v func_quotefast_eval_result %q "$1" + } + else + # Broken older Bash implementations. Make those faster too if possible. + func_quotefast_eval () + { + case $1 in + '~'*) + func_quote_portable false "$1" + func_quotefast_eval_result=$func_quote_portable_result + ;; + *) + printf -v func_quotefast_eval_result %q "$1" + ;; + esac + } + fi +else + func_quotefast_eval () + { + func_quote_portable false "$1" + func_quotefast_eval_result=$func_quote_portable_result + } +fi + + +# func_quote_arg MODEs ARG +# ------------------------ +# Quote one ARG to be evaled later. MODEs argument may contain zero or more +# specifiers listed below separated by ',' character. This function returns two +# values: +# i) func_quote_arg_result +# double-quoted (when needed), suitable for a subsequent eval +# ii) func_quote_arg_unquoted_result +# has all characters that are still active within double +# quotes backslashified. Available only if 'unquoted' is specified. +# +# Available modes: +# ---------------- +# 'eval' (default) +# - escape shell special characters +# 'expand' +# - the same as 'eval'; but do not quote variable references +# 'pretty' +# - request aesthetic output, i.e. '"a b"' instead of 'a\ b'. This might +# be used later in func_quote to get output like: 'echo "a b"' instead +# of 'echo a\ b'. This is slower than default on some shells. +# 'unquoted' +# - produce also $func_quote_arg_unquoted_result which does not contain +# wrapping double-quotes. +# +# Examples for 'func_quote_arg pretty,unquoted string': +# +# string | *_result | *_unquoted_result +# ------------+-----------------------+------------------- +# " | \" | \" +# a b | "a b" | a b +# "a b" | "\"a b\"" | \"a b\" +# * | "*" | * +# z="${x-$y}" | "z=\"\${x-\$y}\"" | z=\"\${x-\$y}\" +# +# Examples for 'func_quote_arg pretty,unquoted,expand string': +# +# string | *_result | *_unquoted_result +# --------------+---------------------+-------------------- +# z="${x-$y}" | "z=\"${x-$y}\"" | z=\"${x-$y}\" +func_quote_arg () +{ + _G_quote_expand=false + case ,$1, in + *,expand,*) + _G_quote_expand=: + ;; + esac + + case ,$1, in + *,pretty,*|*,expand,*|*,unquoted,*) + func_quote_portable $_G_quote_expand "$2" + func_quote_arg_result=$func_quote_portable_result + func_quote_arg_unquoted_result=$func_quote_portable_unquoted_result + ;; + *) + # Faster quote-for-eval for some shells. + func_quotefast_eval "$2" + func_quote_arg_result=$func_quotefast_eval_result + ;; + esac +} + + +# func_quote MODEs ARGs... +# ------------------------ +# Quote all ARGs to be evaled later and join them into single command. See +# func_quote_arg's description for more info. +func_quote () +{ + $debug_cmd + _G_func_quote_mode=$1 ; shift + func_quote_result= + while test 0 -lt $#; do + func_quote_arg "$_G_func_quote_mode" "$1" + if test -n "$func_quote_result"; then + func_append func_quote_result " $func_quote_arg_result" + else + func_append func_quote_result "$func_quote_arg_result" + fi + shift + done +} + + +# func_stripname PREFIX SUFFIX NAME +# --------------------------------- +# strip PREFIX and SUFFIX from NAME, and store in func_stripname_result. +# PREFIX and SUFFIX must not contain globbing or regex special +# characters, hashes, percent signs, but SUFFIX may contain a leading +# dot (in which case that matches only a dot). +if test yes = "$_G_HAVE_XSI_OPS"; then + eval 'func_stripname () + { + $debug_cmd + + # pdksh 5.2.14 does not do ${X%$Y} correctly if both X and Y are + # positional parameters, so assign one to ordinary variable first. + func_stripname_result=$3 + func_stripname_result=${func_stripname_result#"$1"} + func_stripname_result=${func_stripname_result%"$2"} + }' +else + func_stripname () + { + $debug_cmd + + case $2 in + .*) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%\\\\$2\$%%"`;; + *) func_stripname_result=`$ECHO "$3" | $SED -e "s%^$1%%" -e "s%$2\$%%"`;; + esac + } +fi + + +# func_show_eval CMD [FAIL_EXP] +# ----------------------------- +# Unless opt_quiet is true, then output CMD. Then, if opt_dryrun is +# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP +# is given, then evaluate it. +func_show_eval () +{ + $debug_cmd + + _G_cmd=$1 + _G_fail_exp=${2-':'} + + func_quote_arg pretty,expand "$_G_cmd" + eval "func_notquiet $func_quote_arg_result" + + $opt_dry_run || { + eval "$_G_cmd" + _G_status=$? + if test 0 -ne "$_G_status"; then + eval "(exit $_G_status); $_G_fail_exp" + fi + } +} + + +# func_show_eval_locale CMD [FAIL_EXP] +# ------------------------------------ +# Unless opt_quiet is true, then output CMD. Then, if opt_dryrun is +# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP +# is given, then evaluate it. Use the saved locale for evaluation. +func_show_eval_locale () +{ + $debug_cmd + + _G_cmd=$1 + _G_fail_exp=${2-':'} + + $opt_quiet || { + func_quote_arg expand,pretty "$_G_cmd" + eval "func_echo $func_quote_arg_result" + } + + $opt_dry_run || { + eval "$_G_user_locale + $_G_cmd" + _G_status=$? + eval "$_G_safe_locale" + if test 0 -ne "$_G_status"; then + eval "(exit $_G_status); $_G_fail_exp" + fi + } +} + + +# func_tr_sh +# ---------- +# Turn $1 into a string suitable for a shell variable name. +# Result is stored in $func_tr_sh_result. All characters +# not in the set a-zA-Z0-9_ are replaced with '_'. Further, +# if $1 begins with a digit, a '_' is prepended as well. +func_tr_sh () +{ + $debug_cmd + + case $1 in + [0-9]* | *[!a-zA-Z0-9_]*) + func_tr_sh_result=`$ECHO "$1" | $SED -e 's/^\([0-9]\)/_\1/' -e 's/[^a-zA-Z0-9_]/_/g'` + ;; + * ) + func_tr_sh_result=$1 + ;; + esac +} + + +# func_verbose ARG... +# ------------------- +# Echo program name prefixed message in verbose mode only. +func_verbose () +{ + $debug_cmd + + $opt_verbose && func_echo "$*" + + : +} + + +# func_warn_and_continue ARG... +# ----------------------------- +# Echo program name prefixed warning message to standard error. +func_warn_and_continue () +{ + $debug_cmd + + $require_term_colors + + func_echo_infix_1 "${tc_red}warning$tc_reset" "$*" >&2 +} + + +# func_warning CATEGORY ARG... +# ---------------------------- +# Echo program name prefixed warning message to standard error. Warning +# messages can be filtered according to CATEGORY, where this function +# elides messages where CATEGORY is not listed in the global variable +# 'opt_warning_types'. +func_warning () +{ + $debug_cmd + + # CATEGORY must be in the warning_categories list! + case " $warning_categories " in + *" $1 "*) ;; + *) func_internal_error "invalid warning category '$1'" ;; + esac + + _G_category=$1 + shift + + case " $opt_warning_types " in + *" $_G_category "*) $warning_func ${1+"$@"} ;; + esac +} + + +# func_sort_ver VER1 VER2 +# ----------------------- +# 'sort -V' is not generally available. +# Note this deviates from the version comparison in automake +# in that it treats 1.5 < 1.5.0, and treats 1.4.4a < 1.4-p3a +# but this should suffice as we won't be specifying old +# version formats or redundant trailing .0 in bootstrap.conf. +# If we did want full compatibility then we should probably +# use m4_version_compare from autoconf. +func_sort_ver () +{ + $debug_cmd + + printf '%s\n%s\n' "$1" "$2" \ + | sort -t. -k 1,1n -k 2,2n -k 3,3n -k 4,4n -k 5,5n -k 6,6n -k 7,7n -k 8,8n -k 9,9n +} + +# func_lt_ver PREV CURR +# --------------------- +# Return true if PREV and CURR are in the correct order according to +# func_sort_ver, otherwise false. Use it like this: +# +# func_lt_ver "$prev_ver" "$proposed_ver" || func_fatal_error "..." +func_lt_ver () +{ + $debug_cmd + + test "x$1" = x`func_sort_ver "$1" "$2" | $SED 1q` +} + + +# Local variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'before-save-hook 'time-stamp) +# time-stamp-pattern: "10/scriptversion=%:y-%02m-%02d.%02H; # UTC" +# time-stamp-time-zone: "UTC" +# End: +#! /bin/sh + +# A portable, pluggable option parser for Bourne shell. +# Written by Gary V. Vaughan, 2010 + +# This is free software. There is NO warranty; not even for +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# +# Copyright (C) 2010-2019 Bootstrap Authors +# +# This file is dual licensed under the terms of the MIT license +# , and GPL version 2 or later +# . You must apply one of +# these licenses when using or redistributing this software or any of +# the files within it. See the URLs above, or the file `LICENSE` +# included in the Bootstrap distribution for the full license texts. + +# Please report bugs or propose patches to: +# + +# Set a version string for this script. +scriptversion=2019-02-19.15; # UTC + + +## ------ ## +## Usage. ## +## ------ ## + +# This file is a library for parsing options in your shell scripts along +# with assorted other useful supporting features that you can make use +# of too. +# +# For the simplest scripts you might need only: +# +# #!/bin/sh +# . relative/path/to/funclib.sh +# . relative/path/to/options-parser +# scriptversion=1.0 +# func_options ${1+"$@"} +# eval set dummy "$func_options_result"; shift +# ...rest of your script... +# +# In order for the '--version' option to work, you will need to have a +# suitably formatted comment like the one at the top of this file +# starting with '# Written by ' and ending with '# Copyright'. +# +# For '-h' and '--help' to work, you will also need a one line +# description of your script's purpose in a comment directly above the +# '# Written by ' line, like the one at the top of this file. +# +# The default options also support '--debug', which will turn on shell +# execution tracing (see the comment above debug_cmd below for another +# use), and '--verbose' and the func_verbose function to allow your script +# to display verbose messages only when your user has specified +# '--verbose'. +# +# After sourcing this file, you can plug in processing for additional +# options by amending the variables from the 'Configuration' section +# below, and following the instructions in the 'Option parsing' +# section further down. + +## -------------- ## +## Configuration. ## +## -------------- ## + +# You should override these variables in your script after sourcing this +# file so that they reflect the customisations you have added to the +# option parser. + +# The usage line for option parsing errors and the start of '-h' and +# '--help' output messages. You can embed shell variables for delayed +# expansion at the time the message is displayed, but you will need to +# quote other shell meta-characters carefully to prevent them being +# expanded when the contents are evaled. +usage='$progpath [OPTION]...' + +# Short help message in response to '-h' and '--help'. Add to this or +# override it after sourcing this library to reflect the full set of +# options your script accepts. +usage_message="\ + --debug enable verbose shell tracing + -W, --warnings=CATEGORY + report the warnings falling in CATEGORY [all] + -v, --verbose verbosely report processing + --version print version information and exit + -h, --help print short or long help message and exit +" + +# Additional text appended to 'usage_message' in response to '--help'. +long_help_message=" +Warning categories include: + 'all' show all warnings + 'none' turn off all the warnings + 'error' warnings are treated as fatal errors" + +# Help message printed before fatal option parsing errors. +fatal_help="Try '\$progname --help' for more information." + + + +## ------------------------- ## +## Hook function management. ## +## ------------------------- ## + +# This section contains functions for adding, removing, and running hooks +# in the main code. A hook is just a list of function names that can be +# run in order later on. + +# func_hookable FUNC_NAME +# ----------------------- +# Declare that FUNC_NAME will run hooks added with +# 'func_add_hook FUNC_NAME ...'. +func_hookable () +{ + $debug_cmd + + func_append hookable_fns " $1" +} + + +# func_add_hook FUNC_NAME HOOK_FUNC +# --------------------------------- +# Request that FUNC_NAME call HOOK_FUNC before it returns. FUNC_NAME must +# first have been declared "hookable" by a call to 'func_hookable'. +func_add_hook () +{ + $debug_cmd + + case " $hookable_fns " in + *" $1 "*) ;; + *) func_fatal_error "'$1' does not accept hook functions." ;; + esac + + eval func_append ${1}_hooks '" $2"' +} + + +# func_remove_hook FUNC_NAME HOOK_FUNC +# ------------------------------------ +# Remove HOOK_FUNC from the list of hook functions to be called by +# FUNC_NAME. +func_remove_hook () +{ + $debug_cmd + + eval ${1}_hooks='`$ECHO "\$'$1'_hooks" |$SED "s| '$2'||"`' +} + + +# func_propagate_result FUNC_NAME_A FUNC_NAME_B +# --------------------------------------------- +# If the *_result variable of FUNC_NAME_A _is set_, assign its value to +# *_result variable of FUNC_NAME_B. +func_propagate_result () +{ + $debug_cmd + + func_propagate_result_result=: + if eval "test \"\${${1}_result+set}\" = set" + then + eval "${2}_result=\$${1}_result" + else + func_propagate_result_result=false + fi +} + + +# func_run_hooks FUNC_NAME [ARG]... +# --------------------------------- +# Run all hook functions registered to FUNC_NAME. +# It's assumed that the list of hook functions contains nothing more +# than a whitespace-delimited list of legal shell function names, and +# no effort is wasted trying to catch shell meta-characters or preserve +# whitespace. +func_run_hooks () +{ + $debug_cmd + + case " $hookable_fns " in + *" $1 "*) ;; + *) func_fatal_error "'$1' does not support hook functions." ;; + esac + + eval _G_hook_fns=\$$1_hooks; shift + + for _G_hook in $_G_hook_fns; do + func_unset "${_G_hook}_result" + eval $_G_hook '${1+"$@"}' + func_propagate_result $_G_hook func_run_hooks + if $func_propagate_result_result; then + eval set dummy "$func_run_hooks_result"; shift + fi + done +} + + + +## --------------- ## +## Option parsing. ## +## --------------- ## + +# In order to add your own option parsing hooks, you must accept the +# full positional parameter list from your hook function. You may remove +# or edit any options that you action, and then pass back the remaining +# unprocessed options in '_result', escaped +# suitably for 'eval'. +# +# The '_result' variable is automatically unset +# before your hook gets called; for best performance, only set the +# *_result variable when necessary (i.e. don't call the 'func_quote' +# function unnecessarily because it can be an expensive operation on some +# machines). +# +# Like this: +# +# my_options_prep () +# { +# $debug_cmd +# +# # Extend the existing usage message. +# usage_message=$usage_message' +# -s, --silent don'\''t print informational messages +# ' +# # No change in '$@' (ignored completely by this hook). Leave +# # my_options_prep_result variable intact. +# } +# func_add_hook func_options_prep my_options_prep +# +# +# my_silent_option () +# { +# $debug_cmd +# +# args_changed=false +# +# # Note that, for efficiency, we parse as many options as we can +# # recognise in a loop before passing the remainder back to the +# # caller on the first unrecognised argument we encounter. +# while test $# -gt 0; do +# opt=$1; shift +# case $opt in +# --silent|-s) opt_silent=: +# args_changed=: +# ;; +# # Separate non-argument short options: +# -s*) func_split_short_opt "$_G_opt" +# set dummy "$func_split_short_opt_name" \ +# "-$func_split_short_opt_arg" ${1+"$@"} +# shift +# args_changed=: +# ;; +# *) # Make sure the first unrecognised option "$_G_opt" +# # is added back to "$@" in case we need it later, +# # if $args_changed was set to 'true'. +# set dummy "$_G_opt" ${1+"$@"}; shift; break ;; +# esac +# done +# +# # Only call 'func_quote' here if we processed at least one argument. +# if $args_changed; then +# func_quote eval ${1+"$@"} +# my_silent_option_result=$func_quote_result +# fi +# } +# func_add_hook func_parse_options my_silent_option +# +# +# my_option_validation () +# { +# $debug_cmd +# +# $opt_silent && $opt_verbose && func_fatal_help "\ +# '--silent' and '--verbose' options are mutually exclusive." +# } +# func_add_hook func_validate_options my_option_validation +# +# You'll also need to manually amend $usage_message to reflect the extra +# options you parse. It's preferable to append if you can, so that +# multiple option parsing hooks can be added safely. + + +# func_options_finish [ARG]... +# ---------------------------- +# Finishing the option parse loop (call 'func_options' hooks ATM). +func_options_finish () +{ + $debug_cmd + + func_run_hooks func_options ${1+"$@"} + func_propagate_result func_run_hooks func_options_finish +} + + +# func_options [ARG]... +# --------------------- +# All the functions called inside func_options are hookable. See the +# individual implementations for details. +func_hookable func_options +func_options () +{ + $debug_cmd + + _G_options_quoted=false + + for my_func in options_prep parse_options validate_options options_finish + do + func_unset func_${my_func}_result + func_unset func_run_hooks_result + eval func_$my_func '${1+"$@"}' + func_propagate_result func_$my_func func_options + if $func_propagate_result_result; then + eval set dummy "$func_options_result"; shift + _G_options_quoted=: + fi + done + + $_G_options_quoted || { + # As we (func_options) are top-level options-parser function and + # nobody quoted "$@" for us yet, we need to do it explicitly for + # caller. + func_quote eval ${1+"$@"} + func_options_result=$func_quote_result + } +} + + +# func_options_prep [ARG]... +# -------------------------- +# All initialisations required before starting the option parse loop. +# Note that when calling hook functions, we pass through the list of +# positional parameters. If a hook function modifies that list, and +# needs to propagate that back to rest of this script, then the complete +# modified list must be put in 'func_run_hooks_result' before returning. +func_hookable func_options_prep +func_options_prep () +{ + $debug_cmd + + # Option defaults: + opt_verbose=false + opt_warning_types= + + func_run_hooks func_options_prep ${1+"$@"} + func_propagate_result func_run_hooks func_options_prep +} + + +# func_parse_options [ARG]... +# --------------------------- +# The main option parsing loop. +func_hookable func_parse_options +func_parse_options () +{ + $debug_cmd + + _G_parse_options_requote=false + # this just eases exit handling + while test $# -gt 0; do + # Defer to hook functions for initial option parsing, so they + # get priority in the event of reusing an option name. + func_run_hooks func_parse_options ${1+"$@"} + func_propagate_result func_run_hooks func_parse_options + if $func_propagate_result_result; then + eval set dummy "$func_parse_options_result"; shift + # Even though we may have changed "$@", we passed the "$@" array + # down into the hook and it quoted it for us (because we are in + # this if-branch). No need to quote it again. + _G_parse_options_requote=false + fi + + # Break out of the loop if we already parsed every option. + test $# -gt 0 || break + + # We expect that one of the options parsed in this function matches + # and thus we remove _G_opt from "$@" and need to re-quote. + _G_match_parse_options=: + _G_opt=$1 + shift + case $_G_opt in + --debug|-x) debug_cmd='set -x' + func_echo "enabling shell trace mode" >&2 + $debug_cmd + ;; + + --no-warnings|--no-warning|--no-warn) + set dummy --warnings none ${1+"$@"} + shift + ;; + + --warnings|--warning|-W) + if test $# = 0 && func_missing_arg $_G_opt; then + _G_parse_options_requote=: + break + fi + case " $warning_categories $1" in + *" $1 "*) + # trailing space prevents matching last $1 above + func_append_uniq opt_warning_types " $1" + ;; + *all) + opt_warning_types=$warning_categories + ;; + *none) + opt_warning_types=none + warning_func=: + ;; + *error) + opt_warning_types=$warning_categories + warning_func=func_fatal_error + ;; + *) + func_fatal_error \ + "unsupported warning category: '$1'" + ;; + esac + shift + ;; + + --verbose|-v) opt_verbose=: ;; + --version) func_version ;; + -\?|-h) func_usage ;; + --help) func_help ;; + + # Separate optargs to long options (plugins may need this): + --*=*) func_split_equals "$_G_opt" + set dummy "$func_split_equals_lhs" \ + "$func_split_equals_rhs" ${1+"$@"} + shift + ;; + + # Separate optargs to short options: + -W*) + func_split_short_opt "$_G_opt" + set dummy "$func_split_short_opt_name" \ + "$func_split_short_opt_arg" ${1+"$@"} + shift + ;; + + # Separate non-argument short options: + -\?*|-h*|-v*|-x*) + func_split_short_opt "$_G_opt" + set dummy "$func_split_short_opt_name" \ + "-$func_split_short_opt_arg" ${1+"$@"} + shift + ;; + + --) _G_parse_options_requote=: ; break ;; + -*) func_fatal_help "unrecognised option: '$_G_opt'" ;; + *) set dummy "$_G_opt" ${1+"$@"}; shift + _G_match_parse_options=false + break + ;; + esac + + if $_G_match_parse_options; then + _G_parse_options_requote=: + fi + done + + if $_G_parse_options_requote; then + # save modified positional parameters for caller + func_quote eval ${1+"$@"} + func_parse_options_result=$func_quote_result + fi +} + + +# func_validate_options [ARG]... +# ------------------------------ +# Perform any sanity checks on option settings and/or unconsumed +# arguments. +func_hookable func_validate_options +func_validate_options () +{ + $debug_cmd + + # Display all warnings if -W was not given. + test -n "$opt_warning_types" || opt_warning_types=" $warning_categories" + + func_run_hooks func_validate_options ${1+"$@"} + func_propagate_result func_run_hooks func_validate_options + + # Bail if the options were screwed! + $exit_cmd $EXIT_FAILURE +} + + + +## ----------------- ## +## Helper functions. ## +## ----------------- ## + +# This section contains the helper functions used by the rest of the +# hookable option parser framework in ascii-betical order. + + +# func_fatal_help ARG... +# ---------------------- +# Echo program name prefixed message to standard error, followed by +# a help hint, and exit. +func_fatal_help () +{ + $debug_cmd + + eval \$ECHO \""Usage: $usage"\" + eval \$ECHO \""$fatal_help"\" + func_error ${1+"$@"} + exit $EXIT_FAILURE +} + + +# func_help +# --------- +# Echo long help message to standard output and exit. +func_help () +{ + $debug_cmd + + func_usage_message + $ECHO "$long_help_message" + exit 0 +} + + +# func_missing_arg ARGNAME +# ------------------------ +# Echo program name prefixed message to standard error and set global +# exit_cmd. +func_missing_arg () +{ + $debug_cmd + + func_error "Missing argument for '$1'." + exit_cmd=exit +} + + +# func_split_equals STRING +# ------------------------ +# Set func_split_equals_lhs and func_split_equals_rhs shell variables +# after splitting STRING at the '=' sign. +test -z "$_G_HAVE_XSI_OPS" \ + && (eval 'x=a/b/c; + test 5aa/bb/cc = "${#x}${x%%/*}${x%/*}${x#*/}${x##*/}"') 2>/dev/null \ + && _G_HAVE_XSI_OPS=yes + +if test yes = "$_G_HAVE_XSI_OPS" +then + # This is an XSI compatible shell, allowing a faster implementation... + eval 'func_split_equals () + { + $debug_cmd + + func_split_equals_lhs=${1%%=*} + func_split_equals_rhs=${1#*=} + if test "x$func_split_equals_lhs" = "x$1"; then + func_split_equals_rhs= + fi + }' +else + # ...otherwise fall back to using expr, which is often a shell builtin. + func_split_equals () + { + $debug_cmd + + func_split_equals_lhs=`expr "x$1" : 'x\([^=]*\)'` + func_split_equals_rhs= + test "x$func_split_equals_lhs" = "x$1" \ + || func_split_equals_rhs=`expr "x$1" : 'x[^=]*=\(.*\)$'` + } +fi #func_split_equals + + +# func_split_short_opt SHORTOPT +# ----------------------------- +# Set func_split_short_opt_name and func_split_short_opt_arg shell +# variables after splitting SHORTOPT after the 2nd character. +if test yes = "$_G_HAVE_XSI_OPS" +then + # This is an XSI compatible shell, allowing a faster implementation... + eval 'func_split_short_opt () + { + $debug_cmd + + func_split_short_opt_arg=${1#??} + func_split_short_opt_name=${1%"$func_split_short_opt_arg"} + }' +else + # ...otherwise fall back to using expr, which is often a shell builtin. + func_split_short_opt () + { + $debug_cmd + + func_split_short_opt_name=`expr "x$1" : 'x-\(.\)'` + func_split_short_opt_arg=`expr "x$1" : 'x-.\(.*\)$'` + } +fi #func_split_short_opt + + +# func_usage +# ---------- +# Echo short help message to standard output and exit. +func_usage () +{ + $debug_cmd + + func_usage_message + $ECHO "Run '$progname --help |${PAGER-more}' for full usage" + exit 0 +} + + +# func_usage_message +# ------------------ +# Echo short help message to standard output. +func_usage_message () +{ + $debug_cmd + + eval \$ECHO \""Usage: $usage"\" + echo + $SED -n 's|^# || + /^Written by/{ + x;p;x + } + h + /^Written by/q' < "$progpath" + echo + eval \$ECHO \""$usage_message"\" +} + + +# func_version +# ------------ +# Echo version message to standard output and exit. +# The version message is extracted from the calling file's header +# comments, with leading '# ' stripped: +# 1. First display the progname and version +# 2. Followed by the header comment line matching /^# Written by / +# 3. Then a blank line followed by the first following line matching +# /^# Copyright / +# 4. Immediately followed by any lines between the previous matches, +# except lines preceding the intervening completely blank line. +# For example, see the header comments of this file. +func_version () +{ + $debug_cmd + + printf '%s\n' "$progname $scriptversion" + $SED -n ' + /^# Written by /!b + s|^# ||; p; n + + :fwd2blnk + /./ { + n + b fwd2blnk + } + p; n + + :holdwrnt + s|^# || + s|^# *$|| + /^Copyright /!{ + /./H + n + b holdwrnt + } + + s|\((C)\)[ 0-9,-]*[ ,-]\([1-9][0-9]* \)|\1 \2| + G + s|\(\n\)\n*|\1|g + p; q' < "$progpath" + + exit $? +} + + +# Local variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'before-save-hook 'time-stamp) +# time-stamp-pattern: "30/scriptversion=%:y-%02m-%02d.%02H; # UTC" +# time-stamp-time-zone: "UTC" +# End: + +# Set a version string. +scriptversion='(GNU libtool) 2.4.6' + + +# func_echo ARG... +# ---------------- +# Libtool also displays the current mode in messages, so override +# funclib.sh func_echo with this custom definition. +func_echo () +{ + $debug_cmd + + _G_message=$* + + func_echo_IFS=$IFS + IFS=$nl + for _G_line in $_G_message; do + IFS=$func_echo_IFS + $ECHO "$progname${opt_mode+: $opt_mode}: $_G_line" + done + IFS=$func_echo_IFS +} + + +# func_warning ARG... +# ------------------- +# Libtool warnings are not categorized, so override funclib.sh +# func_warning with this simpler definition. +func_warning () +{ + $debug_cmd + + $warning_func ${1+"$@"} +} + + +## ---------------- ## +## Options parsing. ## +## ---------------- ## + +# Hook in the functions to make sure our own options are parsed during +# the option parsing loop. + +usage='$progpath [OPTION]... [MODE-ARG]...' + +# Short help message in response to '-h'. +usage_message="Options: + --config show all configuration variables + --debug enable verbose shell tracing + -n, --dry-run display commands without modifying any files + --features display basic configuration information and exit + --mode=MODE use operation mode MODE + --no-warnings equivalent to '-Wnone' + --preserve-dup-deps don't remove duplicate dependency libraries + --quiet, --silent don't print informational messages + --tag=TAG use configuration variables from tag TAG + -v, --verbose print more informational messages than default + --version print version information + -W, --warnings=CATEGORY report the warnings falling in CATEGORY [all] + -h, --help, --help-all print short, long, or detailed help message +" + +# Additional text appended to 'usage_message' in response to '--help'. +func_help () +{ + $debug_cmd + + func_usage_message + $ECHO "$long_help_message + +MODE must be one of the following: + + clean remove files from the build directory + compile compile a source file into a libtool object + execute automatically set library path, then run a program + finish complete the installation of libtool libraries + install install libraries or executables + link create a library or an executable + uninstall remove libraries from an installed directory + +MODE-ARGS vary depending on the MODE. When passed as first option, +'--mode=MODE' may be abbreviated as 'MODE' or a unique abbreviation of that. +Try '$progname --help --mode=MODE' for a more detailed description of MODE. + +When reporting a bug, please describe a test case to reproduce it and +include the following information: + + host-triplet: $host + shell: $SHELL + compiler: $LTCC + compiler flags: $LTCFLAGS + linker: $LD (gnu? $with_gnu_ld) + version: $progname (GNU libtool) 2.4.6 + automake: `($AUTOMAKE --version) 2>/dev/null |$SED 1q` + autoconf: `($AUTOCONF --version) 2>/dev/null |$SED 1q` + +Report bugs to . +GNU libtool home page: . +General help using GNU software: ." + exit 0 +} + + +# func_lo2o OBJECT-NAME +# --------------------- +# Transform OBJECT-NAME from a '.lo' suffix to the platform specific +# object suffix. + +lo2o=s/\\.lo\$/.$objext/ +o2lo=s/\\.$objext\$/.lo/ + +if test yes = "$_G_HAVE_XSI_OPS"; then + eval 'func_lo2o () + { + case $1 in + *.lo) func_lo2o_result=${1%.lo}.$objext ;; + * ) func_lo2o_result=$1 ;; + esac + }' + + # func_xform LIBOBJ-OR-SOURCE + # --------------------------- + # Transform LIBOBJ-OR-SOURCE from a '.o' or '.c' (or otherwise) + # suffix to a '.lo' libtool-object suffix. + eval 'func_xform () + { + func_xform_result=${1%.*}.lo + }' +else + # ...otherwise fall back to using sed. + func_lo2o () + { + func_lo2o_result=`$ECHO "$1" | $SED "$lo2o"` + } + + func_xform () + { + func_xform_result=`$ECHO "$1" | $SED 's|\.[^.]*$|.lo|'` + } +fi + + +# func_fatal_configuration ARG... +# ------------------------------- +# Echo program name prefixed message to standard error, followed by +# a configuration failure hint, and exit. +func_fatal_configuration () +{ + func_fatal_error ${1+"$@"} \ + "See the $PACKAGE documentation for more information." \ + "Fatal configuration error." +} + + +# func_config +# ----------- +# Display the configuration for all the tags in this script. +func_config () +{ + re_begincf='^# ### BEGIN LIBTOOL' + re_endcf='^# ### END LIBTOOL' + + # Default configuration. + $SED "1,/$re_begincf CONFIG/d;/$re_endcf CONFIG/,\$d" < "$progpath" + + # Now print the configurations for the tags. + for tagname in $taglist; do + $SED -n "/$re_begincf TAG CONFIG: $tagname\$/,/$re_endcf TAG CONFIG: $tagname\$/p" < "$progpath" + done + + exit $? +} + + +# func_features +# ------------- +# Display the features supported by this script. +func_features () +{ + echo "host: $host" + if test yes = "$build_libtool_libs"; then + echo "enable shared libraries" + else + echo "disable shared libraries" + fi + if test yes = "$build_old_libs"; then + echo "enable static libraries" + else + echo "disable static libraries" + fi + + exit $? +} + + +# func_enable_tag TAGNAME +# ----------------------- +# Verify that TAGNAME is valid, and either flag an error and exit, or +# enable the TAGNAME tag. We also add TAGNAME to the global $taglist +# variable here. +func_enable_tag () +{ + # Global variable: + tagname=$1 + + re_begincf="^# ### BEGIN LIBTOOL TAG CONFIG: $tagname\$" + re_endcf="^# ### END LIBTOOL TAG CONFIG: $tagname\$" + sed_extractcf=/$re_begincf/,/$re_endcf/p + + # Validate tagname. + case $tagname in + *[!-_A-Za-z0-9,/]*) + func_fatal_error "invalid tag name: $tagname" + ;; + esac + + # Don't test for the "default" C tag, as we know it's + # there but not specially marked. + case $tagname in + CC) ;; + *) + if $GREP "$re_begincf" "$progpath" >/dev/null 2>&1; then + taglist="$taglist $tagname" + + # Evaluate the configuration. Be careful to quote the path + # and the sed script, to avoid splitting on whitespace, but + # also don't use non-portable quotes within backquotes within + # quotes we have to do it in 2 steps: + extractedcf=`$SED -n -e "$sed_extractcf" < "$progpath"` + eval "$extractedcf" + else + func_error "ignoring unknown tag $tagname" + fi + ;; + esac +} + + +# func_check_version_match +# ------------------------ +# Ensure that we are using m4 macros, and libtool script from the same +# release of libtool. +func_check_version_match () +{ + if test "$package_revision" != "$macro_revision"; then + if test "$VERSION" != "$macro_version"; then + if test -z "$macro_version"; then + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, but the +$progname: definition of this LT_INIT comes from an older release. +$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION +$progname: and run autoconf again. +_LT_EOF + else + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, but the +$progname: definition of this LT_INIT comes from $PACKAGE $macro_version. +$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION +$progname: and run autoconf again. +_LT_EOF + fi + else + cat >&2 <<_LT_EOF +$progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, +$progname: but the definition of this LT_INIT comes from revision $macro_revision. +$progname: You should recreate aclocal.m4 with macros from revision $package_revision +$progname: of $PACKAGE $VERSION and run autoconf again. +_LT_EOF + fi + + exit $EXIT_MISMATCH + fi +} + + +# libtool_options_prep [ARG]... +# ----------------------------- +# Preparation for options parsed by libtool. +libtool_options_prep () +{ + $debug_mode + + # Option defaults: + opt_config=false + opt_dlopen= + opt_dry_run=false + opt_help=false + opt_mode= + opt_preserve_dup_deps=false + opt_quiet=false + + nonopt= + preserve_args= + + _G_rc_lt_options_prep=: + + # Shorthand for --mode=foo, only valid as the first argument + case $1 in + clean|clea|cle|cl) + shift; set dummy --mode clean ${1+"$@"}; shift + ;; + compile|compil|compi|comp|com|co|c) + shift; set dummy --mode compile ${1+"$@"}; shift + ;; + execute|execut|execu|exec|exe|ex|e) + shift; set dummy --mode execute ${1+"$@"}; shift + ;; + finish|finis|fini|fin|fi|f) + shift; set dummy --mode finish ${1+"$@"}; shift + ;; + install|instal|insta|inst|ins|in|i) + shift; set dummy --mode install ${1+"$@"}; shift + ;; + link|lin|li|l) + shift; set dummy --mode link ${1+"$@"}; shift + ;; + uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u) + shift; set dummy --mode uninstall ${1+"$@"}; shift + ;; + *) + _G_rc_lt_options_prep=false + ;; + esac + + if $_G_rc_lt_options_prep; then + # Pass back the list of options. + func_quote eval ${1+"$@"} + libtool_options_prep_result=$func_quote_result + fi +} +func_add_hook func_options_prep libtool_options_prep + + +# libtool_parse_options [ARG]... +# --------------------------------- +# Provide handling for libtool specific options. +libtool_parse_options () +{ + $debug_cmd + + _G_rc_lt_parse_options=false + + # Perform our own loop to consume as many options as possible in + # each iteration. + while test $# -gt 0; do + _G_match_lt_parse_options=: + _G_opt=$1 + shift + case $_G_opt in + --dry-run|--dryrun|-n) + opt_dry_run=: + ;; + + --config) func_config ;; + + --dlopen|-dlopen) + opt_dlopen="${opt_dlopen+$opt_dlopen +}$1" + shift + ;; + + --preserve-dup-deps) + opt_preserve_dup_deps=: ;; + + --features) func_features ;; + + --finish) set dummy --mode finish ${1+"$@"}; shift ;; + + --help) opt_help=: ;; + + --help-all) opt_help=': help-all' ;; + + --mode) test $# = 0 && func_missing_arg $_G_opt && break + opt_mode=$1 + case $1 in + # Valid mode arguments: + clean|compile|execute|finish|install|link|relink|uninstall) ;; + + # Catch anything else as an error + *) func_error "invalid argument for $_G_opt" + exit_cmd=exit + break + ;; + esac + shift + ;; + + --no-silent|--no-quiet) + opt_quiet=false + func_append preserve_args " $_G_opt" + ;; + + --no-warnings|--no-warning|--no-warn) + opt_warning=false + func_append preserve_args " $_G_opt" + ;; + + --no-verbose) + opt_verbose=false + func_append preserve_args " $_G_opt" + ;; + + --silent|--quiet) + opt_quiet=: + opt_verbose=false + func_append preserve_args " $_G_opt" + ;; + + --tag) test $# = 0 && func_missing_arg $_G_opt && break + opt_tag=$1 + func_append preserve_args " $_G_opt $1" + func_enable_tag "$1" + shift + ;; + + --verbose|-v) opt_quiet=false + opt_verbose=: + func_append preserve_args " $_G_opt" + ;; + + # An option not handled by this hook function: + *) set dummy "$_G_opt" ${1+"$@"} ; shift + _G_match_lt_parse_options=false + break + ;; + esac + $_G_match_lt_parse_options && _G_rc_lt_parse_options=: + done + + if $_G_rc_lt_parse_options; then + # save modified positional parameters for caller + func_quote eval ${1+"$@"} + libtool_parse_options_result=$func_quote_result + fi +} +func_add_hook func_parse_options libtool_parse_options + + + +# libtool_validate_options [ARG]... +# --------------------------------- +# Perform any sanity checks on option settings and/or unconsumed +# arguments. +libtool_validate_options () +{ + # save first non-option argument + if test 0 -lt $#; then + nonopt=$1 + shift + fi + + # preserve --debug + test : = "$debug_cmd" || func_append preserve_args " --debug" + + case $host in + # Solaris2 added to fix http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16452 + # see also: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59788 + *cygwin* | *mingw* | *pw32* | *cegcc* | *solaris2* | *os2*) + # don't eliminate duplications in $postdeps and $predeps + opt_duplicate_compiler_generated_deps=: + ;; + *) + opt_duplicate_compiler_generated_deps=$opt_preserve_dup_deps + ;; + esac + + $opt_help || { + # Sanity checks first: + func_check_version_match + + test yes != "$build_libtool_libs" \ + && test yes != "$build_old_libs" \ + && func_fatal_configuration "not configured to build any kind of library" + + # Darwin sucks + eval std_shrext=\"$shrext_cmds\" + + # Only execute mode is allowed to have -dlopen flags. + if test -n "$opt_dlopen" && test execute != "$opt_mode"; then + func_error "unrecognized option '-dlopen'" + $ECHO "$help" 1>&2 + exit $EXIT_FAILURE + fi + + # Change the help message to a mode-specific one. + generic_help=$help + help="Try '$progname --help --mode=$opt_mode' for more information." + } + + # Pass back the unparsed argument list + func_quote eval ${1+"$@"} + libtool_validate_options_result=$func_quote_result +} +func_add_hook func_validate_options libtool_validate_options + + +# Process options as early as possible so that --help and --version +# can return quickly. +func_options ${1+"$@"} +eval set dummy "$func_options_result"; shift + + + +## ----------- ## +## Main. ## +## ----------- ## + +magic='%%%MAGIC variable%%%' +magic_exe='%%%MAGIC EXE variable%%%' + +# Global variables. +extracted_archives= +extracted_serial=0 + +# If this variable is set in any of the actions, the command in it +# will be execed at the end. This prevents here-documents from being +# left over by shells. +exec_cmd= + + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +$1 +_LTECHO_EOF' +} + +# func_generated_by_libtool +# True iff stdin has been generated by Libtool. This function is only +# a basic sanity check; it will hardly flush out determined imposters. +func_generated_by_libtool_p () +{ + $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 +} + +# func_lalib_p file +# True iff FILE is a libtool '.la' library or '.lo' object file. +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_lalib_p () +{ + test -f "$1" && + $SED -e 4q "$1" 2>/dev/null | func_generated_by_libtool_p +} + +# func_lalib_unsafe_p file +# True iff FILE is a libtool '.la' library or '.lo' object file. +# This function implements the same check as func_lalib_p without +# resorting to external programs. To this end, it redirects stdin and +# closes it afterwards, without saving the original file descriptor. +# As a safety measure, use it only where a negative result would be +# fatal anyway. Works if 'file' does not exist. +func_lalib_unsafe_p () +{ + lalib_p=no + if test -f "$1" && test -r "$1" && exec 5<&0 <"$1"; then + for lalib_p_l in 1 2 3 4 + do + read lalib_p_line + case $lalib_p_line in + \#\ Generated\ by\ *$PACKAGE* ) lalib_p=yes; break;; + esac + done + exec 0<&5 5<&- + fi + test yes = "$lalib_p" +} + +# func_ltwrapper_script_p file +# True iff FILE is a libtool wrapper script +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_script_p () +{ + test -f "$1" && + $lt_truncate_bin < "$1" 2>/dev/null | func_generated_by_libtool_p +} + +# func_ltwrapper_executable_p file +# True iff FILE is a libtool wrapper executable +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_executable_p () +{ + func_ltwrapper_exec_suffix= + case $1 in + *.exe) ;; + *) func_ltwrapper_exec_suffix=.exe ;; + esac + $GREP "$magic_exe" "$1$func_ltwrapper_exec_suffix" >/dev/null 2>&1 +} + +# func_ltwrapper_scriptname file +# Assumes file is an ltwrapper_executable +# uses $file to determine the appropriate filename for a +# temporary ltwrapper_script. +func_ltwrapper_scriptname () +{ + func_dirname_and_basename "$1" "" "." + func_stripname '' '.exe' "$func_basename_result" + func_ltwrapper_scriptname_result=$func_dirname_result/$objdir/${func_stripname_result}_ltshwrapper +} + +# func_ltwrapper_p file +# True iff FILE is a libtool wrapper script or wrapper executable +# This function is only a basic sanity check; it will hardly flush out +# determined imposters. +func_ltwrapper_p () +{ + func_ltwrapper_script_p "$1" || func_ltwrapper_executable_p "$1" +} + + +# func_execute_cmds commands fail_cmd +# Execute tilde-delimited COMMANDS. +# If FAIL_CMD is given, eval that upon failure. +# FAIL_CMD may read-access the current command in variable CMD! +func_execute_cmds () +{ + $debug_cmd + + save_ifs=$IFS; IFS='~' + for cmd in $1; do + IFS=$sp$nl + eval cmd=\"$cmd\" + IFS=$save_ifs + func_show_eval "$cmd" "${2-:}" + done + IFS=$save_ifs +} + + +# func_source file +# Source FILE, adding directory component if necessary. +# Note that it is not necessary on cygwin/mingw to append a dot to +# FILE even if both FILE and FILE.exe exist: automatic-append-.exe +# behavior happens only for exec(3), not for open(2)! Also, sourcing +# 'FILE.' does not work on cygwin managed mounts. +func_source () +{ + $debug_cmd + + case $1 in + */* | *\\*) . "$1" ;; + *) . "./$1" ;; + esac +} + + +# func_resolve_sysroot PATH +# Replace a leading = in PATH with a sysroot. Store the result into +# func_resolve_sysroot_result +func_resolve_sysroot () +{ + func_resolve_sysroot_result=$1 + case $func_resolve_sysroot_result in + =*) + func_stripname '=' '' "$func_resolve_sysroot_result" + func_resolve_sysroot_result=$lt_sysroot$func_stripname_result + ;; + esac +} + +# func_replace_sysroot PATH +# If PATH begins with the sysroot, replace it with = and +# store the result into func_replace_sysroot_result. +func_replace_sysroot () +{ + case $lt_sysroot:$1 in + ?*:"$lt_sysroot"*) + func_stripname "$lt_sysroot" '' "$1" + func_replace_sysroot_result='='$func_stripname_result + ;; + *) + # Including no sysroot. + func_replace_sysroot_result=$1 + ;; + esac +} + +# func_infer_tag arg +# Infer tagged configuration to use if any are available and +# if one wasn't chosen via the "--tag" command line option. +# Only attempt this if the compiler in the base compile +# command doesn't match the default compiler. +# arg is usually of the form 'gcc ...' +func_infer_tag () +{ + $debug_cmd + + if test -n "$available_tags" && test -z "$tagname"; then + CC_quoted= + for arg in $CC; do + func_append_quoted CC_quoted "$arg" + done + CC_expanded=`func_echo_all $CC` + CC_quoted_expanded=`func_echo_all $CC_quoted` + case $@ in + # Blanks in the command may have been stripped by the calling shell, + # but not from the CC environment variable when configure was run. + " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ + " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;; + # Blanks at the start of $base_compile will cause this to fail + # if we don't check for them as well. + *) + for z in $available_tags; do + if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then + # Evaluate the configuration. + eval "`$SED -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`" + CC_quoted= + for arg in $CC; do + # Double-quote args containing other shell metacharacters. + func_append_quoted CC_quoted "$arg" + done + CC_expanded=`func_echo_all $CC` + CC_quoted_expanded=`func_echo_all $CC_quoted` + case "$@ " in + " $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \ + " $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) + # The compiler in the base compile command matches + # the one in the tagged configuration. + # Assume this is the tagged configuration we want. + tagname=$z + break + ;; + esac + fi + done + # If $tagname still isn't set, then no tagged configuration + # was found and let the user know that the "--tag" command + # line option must be used. + if test -z "$tagname"; then + func_echo "unable to infer tagged configuration" + func_fatal_error "specify a tag with '--tag'" +# else +# func_verbose "using $tagname tagged configuration" + fi + ;; + esac + fi +} + + + +# func_write_libtool_object output_name pic_name nonpic_name +# Create a libtool object file (analogous to a ".la" file), +# but don't create it if we're doing a dry run. +func_write_libtool_object () +{ + write_libobj=$1 + if test yes = "$build_libtool_libs"; then + write_lobj=\'$2\' + else + write_lobj=none + fi + + if test yes = "$build_old_libs"; then + write_oldobj=\'$3\' + else + write_oldobj=none + fi + + $opt_dry_run || { + cat >${write_libobj}T </dev/null` + if test "$?" -eq 0 && test -n "$func_convert_core_file_wine_to_w32_tmp"; then + func_convert_core_file_wine_to_w32_result=`$ECHO "$func_convert_core_file_wine_to_w32_tmp" | + $SED -e "$sed_naive_backslashify"` + else + func_convert_core_file_wine_to_w32_result= + fi + fi +} +# end: func_convert_core_file_wine_to_w32 + + +# func_convert_core_path_wine_to_w32 ARG +# Helper function used by path conversion functions when $build is *nix, and +# $host is mingw, cygwin, or some other w32 environment. Relies on a correctly +# configured wine environment available, with the winepath program in $build's +# $PATH. Assumes ARG has no leading or trailing path separator characters. +# +# ARG is path to be converted from $build format to win32. +# Result is available in $func_convert_core_path_wine_to_w32_result. +# Unconvertible file (directory) names in ARG are skipped; if no directory names +# are convertible, then the result may be empty. +func_convert_core_path_wine_to_w32 () +{ + $debug_cmd + + # unfortunately, winepath doesn't convert paths, only file names + func_convert_core_path_wine_to_w32_result= + if test -n "$1"; then + oldIFS=$IFS + IFS=: + for func_convert_core_path_wine_to_w32_f in $1; do + IFS=$oldIFS + func_convert_core_file_wine_to_w32 "$func_convert_core_path_wine_to_w32_f" + if test -n "$func_convert_core_file_wine_to_w32_result"; then + if test -z "$func_convert_core_path_wine_to_w32_result"; then + func_convert_core_path_wine_to_w32_result=$func_convert_core_file_wine_to_w32_result + else + func_append func_convert_core_path_wine_to_w32_result ";$func_convert_core_file_wine_to_w32_result" + fi + fi + done + IFS=$oldIFS + fi +} +# end: func_convert_core_path_wine_to_w32 + + +# func_cygpath ARGS... +# Wrapper around calling the cygpath program via LT_CYGPATH. This is used when +# when (1) $build is *nix and Cygwin is hosted via a wine environment; or (2) +# $build is MSYS and $host is Cygwin, or (3) $build is Cygwin. In case (1) or +# (2), returns the Cygwin file name or path in func_cygpath_result (input +# file name or path is assumed to be in w32 format, as previously converted +# from $build's *nix or MSYS format). In case (3), returns the w32 file name +# or path in func_cygpath_result (input file name or path is assumed to be in +# Cygwin format). Returns an empty string on error. +# +# ARGS are passed to cygpath, with the last one being the file name or path to +# be converted. +# +# Specify the absolute *nix (or w32) name to cygpath in the LT_CYGPATH +# environment variable; do not put it in $PATH. +func_cygpath () +{ + $debug_cmd + + if test -n "$LT_CYGPATH" && test -f "$LT_CYGPATH"; then + func_cygpath_result=`$LT_CYGPATH "$@" 2>/dev/null` + if test "$?" -ne 0; then + # on failure, ensure result is empty + func_cygpath_result= + fi + else + func_cygpath_result= + func_error "LT_CYGPATH is empty or specifies non-existent file: '$LT_CYGPATH'" + fi +} +#end: func_cygpath + + +# func_convert_core_msys_to_w32 ARG +# Convert file name or path ARG from MSYS format to w32 format. Return +# result in func_convert_core_msys_to_w32_result. +func_convert_core_msys_to_w32 () +{ + $debug_cmd + + # awkward: cmd appends spaces to result + func_convert_core_msys_to_w32_result=`( cmd //c echo "$1" ) 2>/dev/null | + $SED -e 's/[ ]*$//' -e "$sed_naive_backslashify"` +} +#end: func_convert_core_msys_to_w32 + + +# func_convert_file_check ARG1 ARG2 +# Verify that ARG1 (a file name in $build format) was converted to $host +# format in ARG2. Otherwise, emit an error message, but continue (resetting +# func_to_host_file_result to ARG1). +func_convert_file_check () +{ + $debug_cmd + + if test -z "$2" && test -n "$1"; then + func_error "Could not determine host file name corresponding to" + func_error " '$1'" + func_error "Continuing, but uninstalled executables may not work." + # Fallback: + func_to_host_file_result=$1 + fi +} +# end func_convert_file_check + + +# func_convert_path_check FROM_PATHSEP TO_PATHSEP FROM_PATH TO_PATH +# Verify that FROM_PATH (a path in $build format) was converted to $host +# format in TO_PATH. Otherwise, emit an error message, but continue, resetting +# func_to_host_file_result to a simplistic fallback value (see below). +func_convert_path_check () +{ + $debug_cmd + + if test -z "$4" && test -n "$3"; then + func_error "Could not determine the host path corresponding to" + func_error " '$3'" + func_error "Continuing, but uninstalled executables may not work." + # Fallback. This is a deliberately simplistic "conversion" and + # should not be "improved". See libtool.info. + if test "x$1" != "x$2"; then + lt_replace_pathsep_chars="s|$1|$2|g" + func_to_host_path_result=`echo "$3" | + $SED -e "$lt_replace_pathsep_chars"` + else + func_to_host_path_result=$3 + fi + fi +} +# end func_convert_path_check + + +# func_convert_path_front_back_pathsep FRONTPAT BACKPAT REPL ORIG +# Modifies func_to_host_path_result by prepending REPL if ORIG matches FRONTPAT +# and appending REPL if ORIG matches BACKPAT. +func_convert_path_front_back_pathsep () +{ + $debug_cmd + + case $4 in + $1 ) func_to_host_path_result=$3$func_to_host_path_result + ;; + esac + case $4 in + $2 ) func_append func_to_host_path_result "$3" + ;; + esac +} +# end func_convert_path_front_back_pathsep + + +################################################## +# $build to $host FILE NAME CONVERSION FUNCTIONS # +################################################## +# invoked via '$to_host_file_cmd ARG' +# +# In each case, ARG is the path to be converted from $build to $host format. +# Result will be available in $func_to_host_file_result. + + +# func_to_host_file ARG +# Converts the file name ARG from $build format to $host format. Return result +# in func_to_host_file_result. +func_to_host_file () +{ + $debug_cmd + + $to_host_file_cmd "$1" +} +# end func_to_host_file + + +# func_to_tool_file ARG LAZY +# converts the file name ARG from $build format to toolchain format. Return +# result in func_to_tool_file_result. If the conversion in use is listed +# in (the comma separated) LAZY, no conversion takes place. +func_to_tool_file () +{ + $debug_cmd + + case ,$2, in + *,"$to_tool_file_cmd",*) + func_to_tool_file_result=$1 + ;; + *) + $to_tool_file_cmd "$1" + func_to_tool_file_result=$func_to_host_file_result + ;; + esac +} +# end func_to_tool_file + + +# func_convert_file_noop ARG +# Copy ARG to func_to_host_file_result. +func_convert_file_noop () +{ + func_to_host_file_result=$1 +} +# end func_convert_file_noop + + +# func_convert_file_msys_to_w32 ARG +# Convert file name ARG from (mingw) MSYS to (mingw) w32 format; automatic +# conversion to w32 is not available inside the cwrapper. Returns result in +# func_to_host_file_result. +func_convert_file_msys_to_w32 () +{ + $debug_cmd + + func_to_host_file_result=$1 + if test -n "$1"; then + func_convert_core_msys_to_w32 "$1" + func_to_host_file_result=$func_convert_core_msys_to_w32_result + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_msys_to_w32 + + +# func_convert_file_cygwin_to_w32 ARG +# Convert file name ARG from Cygwin to w32 format. Returns result in +# func_to_host_file_result. +func_convert_file_cygwin_to_w32 () +{ + $debug_cmd + + func_to_host_file_result=$1 + if test -n "$1"; then + # because $build is cygwin, we call "the" cygpath in $PATH; no need to use + # LT_CYGPATH in this case. + func_to_host_file_result=`cygpath -m "$1"` + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_cygwin_to_w32 + + +# func_convert_file_nix_to_w32 ARG +# Convert file name ARG from *nix to w32 format. Requires a wine environment +# and a working winepath. Returns result in func_to_host_file_result. +func_convert_file_nix_to_w32 () +{ + $debug_cmd + + func_to_host_file_result=$1 + if test -n "$1"; then + func_convert_core_file_wine_to_w32 "$1" + func_to_host_file_result=$func_convert_core_file_wine_to_w32_result + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_nix_to_w32 + + +# func_convert_file_msys_to_cygwin ARG +# Convert file name ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. +# Returns result in func_to_host_file_result. +func_convert_file_msys_to_cygwin () +{ + $debug_cmd + + func_to_host_file_result=$1 + if test -n "$1"; then + func_convert_core_msys_to_w32 "$1" + func_cygpath -u "$func_convert_core_msys_to_w32_result" + func_to_host_file_result=$func_cygpath_result + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_msys_to_cygwin + + +# func_convert_file_nix_to_cygwin ARG +# Convert file name ARG from *nix to Cygwin format. Requires Cygwin installed +# in a wine environment, working winepath, and LT_CYGPATH set. Returns result +# in func_to_host_file_result. +func_convert_file_nix_to_cygwin () +{ + $debug_cmd + + func_to_host_file_result=$1 + if test -n "$1"; then + # convert from *nix to w32, then use cygpath to convert from w32 to cygwin. + func_convert_core_file_wine_to_w32 "$1" + func_cygpath -u "$func_convert_core_file_wine_to_w32_result" + func_to_host_file_result=$func_cygpath_result + fi + func_convert_file_check "$1" "$func_to_host_file_result" +} +# end func_convert_file_nix_to_cygwin + + +############################################# +# $build to $host PATH CONVERSION FUNCTIONS # +############################################# +# invoked via '$to_host_path_cmd ARG' +# +# In each case, ARG is the path to be converted from $build to $host format. +# The result will be available in $func_to_host_path_result. +# +# Path separators are also converted from $build format to $host format. If +# ARG begins or ends with a path separator character, it is preserved (but +# converted to $host format) on output. +# +# All path conversion functions are named using the following convention: +# file name conversion function : func_convert_file_X_to_Y () +# path conversion function : func_convert_path_X_to_Y () +# where, for any given $build/$host combination the 'X_to_Y' value is the +# same. If conversion functions are added for new $build/$host combinations, +# the two new functions must follow this pattern, or func_init_to_host_path_cmd +# will break. + + +# func_init_to_host_path_cmd +# Ensures that function "pointer" variable $to_host_path_cmd is set to the +# appropriate value, based on the value of $to_host_file_cmd. +to_host_path_cmd= +func_init_to_host_path_cmd () +{ + $debug_cmd + + if test -z "$to_host_path_cmd"; then + func_stripname 'func_convert_file_' '' "$to_host_file_cmd" + to_host_path_cmd=func_convert_path_$func_stripname_result + fi +} + + +# func_to_host_path ARG +# Converts the path ARG from $build format to $host format. Return result +# in func_to_host_path_result. +func_to_host_path () +{ + $debug_cmd + + func_init_to_host_path_cmd + $to_host_path_cmd "$1" +} +# end func_to_host_path + + +# func_convert_path_noop ARG +# Copy ARG to func_to_host_path_result. +func_convert_path_noop () +{ + func_to_host_path_result=$1 +} +# end func_convert_path_noop + + +# func_convert_path_msys_to_w32 ARG +# Convert path ARG from (mingw) MSYS to (mingw) w32 format; automatic +# conversion to w32 is not available inside the cwrapper. Returns result in +# func_to_host_path_result. +func_convert_path_msys_to_w32 () +{ + $debug_cmd + + func_to_host_path_result=$1 + if test -n "$1"; then + # Remove leading and trailing path separator characters from ARG. MSYS + # behavior is inconsistent here; cygpath turns them into '.;' and ';.'; + # and winepath ignores them completely. + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" + func_to_host_path_result=$func_convert_core_msys_to_w32_result + func_convert_path_check : ";" \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" + fi +} +# end func_convert_path_msys_to_w32 + + +# func_convert_path_cygwin_to_w32 ARG +# Convert path ARG from Cygwin to w32 format. Returns result in +# func_to_host_file_result. +func_convert_path_cygwin_to_w32 () +{ + $debug_cmd + + func_to_host_path_result=$1 + if test -n "$1"; then + # See func_convert_path_msys_to_w32: + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_to_host_path_result=`cygpath -m -p "$func_to_host_path_tmp1"` + func_convert_path_check : ";" \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" + fi +} +# end func_convert_path_cygwin_to_w32 + + +# func_convert_path_nix_to_w32 ARG +# Convert path ARG from *nix to w32 format. Requires a wine environment and +# a working winepath. Returns result in func_to_host_file_result. +func_convert_path_nix_to_w32 () +{ + $debug_cmd + + func_to_host_path_result=$1 + if test -n "$1"; then + # See func_convert_path_msys_to_w32: + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" + func_to_host_path_result=$func_convert_core_path_wine_to_w32_result + func_convert_path_check : ";" \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" ";" "$1" + fi +} +# end func_convert_path_nix_to_w32 + + +# func_convert_path_msys_to_cygwin ARG +# Convert path ARG from MSYS to Cygwin format. Requires LT_CYGPATH set. +# Returns result in func_to_host_file_result. +func_convert_path_msys_to_cygwin () +{ + $debug_cmd + + func_to_host_path_result=$1 + if test -n "$1"; then + # See func_convert_path_msys_to_w32: + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_msys_to_w32 "$func_to_host_path_tmp1" + func_cygpath -u -p "$func_convert_core_msys_to_w32_result" + func_to_host_path_result=$func_cygpath_result + func_convert_path_check : : \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" : "$1" + fi +} +# end func_convert_path_msys_to_cygwin + + +# func_convert_path_nix_to_cygwin ARG +# Convert path ARG from *nix to Cygwin format. Requires Cygwin installed in a +# a wine environment, working winepath, and LT_CYGPATH set. Returns result in +# func_to_host_file_result. +func_convert_path_nix_to_cygwin () +{ + $debug_cmd + + func_to_host_path_result=$1 + if test -n "$1"; then + # Remove leading and trailing path separator characters from + # ARG. msys behavior is inconsistent here, cygpath turns them + # into '.;' and ';.', and winepath ignores them completely. + func_stripname : : "$1" + func_to_host_path_tmp1=$func_stripname_result + func_convert_core_path_wine_to_w32 "$func_to_host_path_tmp1" + func_cygpath -u -p "$func_convert_core_path_wine_to_w32_result" + func_to_host_path_result=$func_cygpath_result + func_convert_path_check : : \ + "$func_to_host_path_tmp1" "$func_to_host_path_result" + func_convert_path_front_back_pathsep ":*" "*:" : "$1" + fi +} +# end func_convert_path_nix_to_cygwin + + +# func_dll_def_p FILE +# True iff FILE is a Windows DLL '.def' file. +# Keep in sync with _LT_DLL_DEF_P in libtool.m4 +func_dll_def_p () +{ + $debug_cmd + + func_dll_def_p_tmp=`$SED -n \ + -e 's/^[ ]*//' \ + -e '/^\(;.*\)*$/d' \ + -e 's/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p' \ + -e q \ + "$1"` + test DEF = "$func_dll_def_p_tmp" +} + + +# func_mode_compile arg... +func_mode_compile () +{ + $debug_cmd + + # Get the compilation command and the source file. + base_compile= + srcfile=$nonopt # always keep a non-empty value in "srcfile" + suppress_opt=yes + suppress_output= + arg_mode=normal + libobj= + later= + pie_flag= + + for arg + do + case $arg_mode in + arg ) + # do not "continue". Instead, add this to base_compile + lastarg=$arg + arg_mode=normal + ;; + + target ) + libobj=$arg + arg_mode=normal + continue + ;; + + normal ) + # Accept any command-line options. + case $arg in + -o) + test -n "$libobj" && \ + func_fatal_error "you cannot specify '-o' more than once" + arg_mode=target + continue + ;; + + -pie | -fpie | -fPIE) + func_append pie_flag " $arg" + continue + ;; + + -shared | -static | -prefer-pic | -prefer-non-pic) + func_append later " $arg" + continue + ;; + + -no-suppress) + suppress_opt=no + continue + ;; + + -Xcompiler) + arg_mode=arg # the next one goes into the "base_compile" arg list + continue # The current "srcfile" will either be retained or + ;; # replaced later. I would guess that would be a bug. + + -Wc,*) + func_stripname '-Wc,' '' "$arg" + args=$func_stripname_result + lastarg= + save_ifs=$IFS; IFS=, + for arg in $args; do + IFS=$save_ifs + func_append_quoted lastarg "$arg" + done + IFS=$save_ifs + func_stripname ' ' '' "$lastarg" + lastarg=$func_stripname_result + + # Add the arguments to base_compile. + func_append base_compile " $lastarg" + continue + ;; + + *) + # Accept the current argument as the source file. + # The previous "srcfile" becomes the current argument. + # + lastarg=$srcfile + srcfile=$arg + ;; + esac # case $arg + ;; + esac # case $arg_mode + + # Aesthetically quote the previous argument. + func_append_quoted base_compile "$lastarg" + done # for arg + + case $arg_mode in + arg) + func_fatal_error "you must specify an argument for -Xcompile" + ;; + target) + func_fatal_error "you must specify a target with '-o'" + ;; + *) + # Get the name of the library object. + test -z "$libobj" && { + func_basename "$srcfile" + libobj=$func_basename_result + } + ;; + esac + + # Recognize several different file suffixes. + # If the user specifies -o file.o, it is replaced with file.lo + case $libobj in + *.[cCFSifmso] | \ + *.ada | *.adb | *.ads | *.asm | \ + *.c++ | *.cc | *.ii | *.class | *.cpp | *.cxx | \ + *.[fF][09]? | *.for | *.java | *.go | *.obj | *.sx | *.cu | *.cup) + func_xform "$libobj" + libobj=$func_xform_result + ;; + esac + + case $libobj in + *.lo) func_lo2o "$libobj"; obj=$func_lo2o_result ;; + *) + func_fatal_error "cannot determine name of library object from '$libobj'" + ;; + esac + + func_infer_tag $base_compile + + for arg in $later; do + case $arg in + -shared) + test yes = "$build_libtool_libs" \ + || func_fatal_configuration "cannot build a shared library" + build_old_libs=no + continue + ;; + + -static) + build_libtool_libs=no + build_old_libs=yes + continue + ;; + + -prefer-pic) + pic_mode=yes + continue + ;; + + -prefer-non-pic) + pic_mode=no + continue + ;; + esac + done + + func_quote_arg pretty "$libobj" + test "X$libobj" != "X$func_quote_arg_result" \ + && $ECHO "X$libobj" | $GREP '[]~#^*{};<>?"'"'"' &()|`$[]' \ + && func_warning "libobj name '$libobj' may not contain shell special characters." + func_dirname_and_basename "$obj" "/" "" + objname=$func_basename_result + xdir=$func_dirname_result + lobj=$xdir$objdir/$objname + + test -z "$base_compile" && \ + func_fatal_help "you must specify a compilation command" + + # Delete any leftover library objects. + if test yes = "$build_old_libs"; then + removelist="$obj $lobj $libobj ${libobj}T" + else + removelist="$lobj $libobj ${libobj}T" + fi + + # On Cygwin there's no "real" PIC flag so we must build both object types + case $host_os in + cygwin* | mingw* | pw32* | os2* | cegcc*) + pic_mode=default + ;; + esac + if test no = "$pic_mode" && test pass_all != "$deplibs_check_method"; then + # non-PIC code in shared libraries is not supported + pic_mode=default + fi + + # Calculate the filename of the output object if compiler does + # not support -o with -c + if test no = "$compiler_c_o"; then + output_obj=`$ECHO "$srcfile" | $SED 's%^.*/%%; s%\.[^.]*$%%'`.$objext + lockfile=$output_obj.lock + else + output_obj= + need_locks=no + lockfile= + fi + + # Lock this critical section if it is needed + # We use this script file to make the link, it avoids creating a new file + if test yes = "$need_locks"; then + until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do + func_echo "Waiting for $lockfile to be removed" + sleep 2 + done + elif test warn = "$need_locks"; then + if test -f "$lockfile"; then + $ECHO "\ +*** ERROR, $lockfile exists and contains: +`cat $lockfile 2>/dev/null` + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support '-c' and '-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + func_append removelist " $output_obj" + $ECHO "$srcfile" > "$lockfile" + fi + + $opt_dry_run || $RM $removelist + func_append removelist " $lockfile" + trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 + + func_to_tool_file "$srcfile" func_convert_file_msys_to_w32 + srcfile=$func_to_tool_file_result + func_quote_arg pretty "$srcfile" + qsrcfile=$func_quote_arg_result + + # Only build a PIC object if we are building libtool libraries. + if test yes = "$build_libtool_libs"; then + # Without this assignment, base_compile gets emptied. + fbsd_hideous_sh_bug=$base_compile + + if test no != "$pic_mode"; then + command="$base_compile $qsrcfile $pic_flag" + else + # Don't build PIC code + command="$base_compile $qsrcfile" + fi + + func_mkdir_p "$xdir$objdir" + + if test -z "$output_obj"; then + # Place PIC objects in $objdir + func_append command " -o $lobj" + fi + + func_show_eval_locale "$command" \ + 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' + + if test warn = "$need_locks" && + test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then + $ECHO "\ +*** ERROR, $lockfile contains: +`cat $lockfile 2>/dev/null` + +but it should contain: +$srcfile + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support '-c' and '-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + + # Just move the object if needed, then go on to compile the next one + if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then + func_show_eval '$MV "$output_obj" "$lobj"' \ + 'error=$?; $opt_dry_run || $RM $removelist; exit $error' + fi + + # Allow error messages only from the first compilation. + if test yes = "$suppress_opt"; then + suppress_output=' >/dev/null 2>&1' + fi + fi + + # Only build a position-dependent object if we build old libraries. + if test yes = "$build_old_libs"; then + if test yes != "$pic_mode"; then + # Don't build PIC code + command="$base_compile $qsrcfile$pie_flag" + else + command="$base_compile $qsrcfile $pic_flag" + fi + if test yes = "$compiler_c_o"; then + func_append command " -o $obj" + fi + + # Suppress compiler output if we already did a PIC compilation. + func_append command "$suppress_output" + func_show_eval_locale "$command" \ + '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' + + if test warn = "$need_locks" && + test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then + $ECHO "\ +*** ERROR, $lockfile contains: +`cat $lockfile 2>/dev/null` + +but it should contain: +$srcfile + +This indicates that another process is trying to use the same +temporary object file, and libtool could not work around it because +your compiler does not support '-c' and '-o' together. If you +repeat this compilation, it may succeed, by chance, but you had better +avoid parallel builds (make -j) in this platform, or get a better +compiler." + + $opt_dry_run || $RM $removelist + exit $EXIT_FAILURE + fi + + # Just move the object if needed + if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then + func_show_eval '$MV "$output_obj" "$obj"' \ + 'error=$?; $opt_dry_run || $RM $removelist; exit $error' + fi + fi + + $opt_dry_run || { + func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" + + # Unlock the critical section if it was locked + if test no != "$need_locks"; then + removelist=$lockfile + $RM "$lockfile" + fi + } + + exit $EXIT_SUCCESS +} + +$opt_help || { + test compile = "$opt_mode" && func_mode_compile ${1+"$@"} +} + +func_mode_help () +{ + # We need to display help for each of the modes. + case $opt_mode in + "") + # Generic help is extracted from the usage comments + # at the start of this file. + func_help + ;; + + clean) + $ECHO \ +"Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... FILE... + +Remove files from the build directory. + +RM is the name of the program to use to delete files associated with each FILE +(typically '/bin/rm'). RM-OPTIONS are options (such as '-f') to be passed +to RM. + +If FILE is a libtool library, object or program, all the files associated +with it are deleted. Otherwise, only FILE itself is deleted using RM." + ;; + + compile) + $ECHO \ +"Usage: $progname [OPTION]... --mode=compile COMPILE-COMMAND... SOURCEFILE + +Compile a source file into a libtool library object. + +This mode accepts the following additional options: + + -o OUTPUT-FILE set the output file name to OUTPUT-FILE + -no-suppress do not suppress compiler output for multiple passes + -prefer-pic try to build PIC objects only + -prefer-non-pic try to build non-PIC objects only + -shared do not build a '.o' file suitable for static linking + -static only build a '.o' file suitable for static linking + -Wc,FLAG pass FLAG directly to the compiler + +COMPILE-COMMAND is a command to be used in creating a 'standard' object file +from the given SOURCEFILE. + +The output file name is determined by removing the directory component from +SOURCEFILE, then substituting the C source code suffix '.c' with the +library object suffix, '.lo'." + ;; + + execute) + $ECHO \ +"Usage: $progname [OPTION]... --mode=execute COMMAND [ARGS]... + +Automatically set library path, then run a program. + +This mode accepts the following additional options: + + -dlopen FILE add the directory containing FILE to the library path + +This mode sets the library path environment variable according to '-dlopen' +flags. + +If any of the ARGS are libtool executable wrappers, then they are translated +into their corresponding uninstalled binary, and any of their required library +directories are added to the library path. + +Then, COMMAND is executed, with ARGS as arguments." + ;; + + finish) + $ECHO \ +"Usage: $progname [OPTION]... --mode=finish [LIBDIR]... + +Complete the installation of libtool libraries. + +Each LIBDIR is a directory that contains libtool libraries. + +The commands that this mode executes may require superuser privileges. Use +the '--dry-run' option if you just want to see what would be executed." + ;; + + install) + $ECHO \ +"Usage: $progname [OPTION]... --mode=install INSTALL-COMMAND... + +Install executables or libraries. + +INSTALL-COMMAND is the installation command. The first component should be +either the 'install' or 'cp' program. + +The following components of INSTALL-COMMAND are treated specially: + + -inst-prefix-dir PREFIX-DIR Use PREFIX-DIR as a staging area for installation + +The rest of the components are interpreted as arguments to that command (only +BSD-compatible install options are recognized)." + ;; + + link) + $ECHO \ +"Usage: $progname [OPTION]... --mode=link LINK-COMMAND... + +Link object files or libraries together to form another library, or to +create an executable program. + +LINK-COMMAND is a command using the C compiler that you would use to create +a program from several object files. + +The following components of LINK-COMMAND are treated specially: + + -all-static do not do any dynamic linking at all + -avoid-version do not add a version suffix if possible + -bindir BINDIR specify path to binaries directory (for systems where + libraries must be found in the PATH setting at runtime) + -dlopen FILE '-dlpreopen' FILE if it cannot be dlopened at runtime + -dlpreopen FILE link in FILE and add its symbols to lt_preloaded_symbols + -export-dynamic allow symbols from OUTPUT-FILE to be resolved with dlsym(3) + -export-symbols SYMFILE + try to export only the symbols listed in SYMFILE + -export-symbols-regex REGEX + try to export only the symbols matching REGEX + -LLIBDIR search LIBDIR for required installed libraries + -lNAME OUTPUT-FILE requires the installed library libNAME + -module build a library that can dlopened + -no-fast-install disable the fast-install mode + -no-install link a not-installable executable + -no-undefined declare that a library does not refer to external symbols + -o OUTPUT-FILE create OUTPUT-FILE from the specified objects + -objectlist FILE use a list of object files found in FILE to specify objects + -os2dllname NAME force a short DLL name on OS/2 (no effect on other OSes) + -precious-files-regex REGEX + don't remove output files matching REGEX + -release RELEASE specify package release information + -rpath LIBDIR the created library will eventually be installed in LIBDIR + -R[ ]LIBDIR add LIBDIR to the runtime path of programs and libraries + -shared only do dynamic linking of libtool libraries + -shrext SUFFIX override the standard shared library file extension + -static do not do any dynamic linking of uninstalled libtool libraries + -static-libtool-libs + do not do any dynamic linking of libtool libraries + -version-info CURRENT[:REVISION[:AGE]] + specify library version info [each variable defaults to 0] + -weak LIBNAME declare that the target provides the LIBNAME interface + -Wc,FLAG + -Xcompiler FLAG pass linker-specific FLAG directly to the compiler + -Wl,FLAG + -Xlinker FLAG pass linker-specific FLAG directly to the linker + -XCClinker FLAG pass link-specific FLAG to the compiler driver (CC) + +All other options (arguments beginning with '-') are ignored. + +Every other argument is treated as a filename. Files ending in '.la' are +treated as uninstalled libtool libraries, other files are standard or library +object files. + +If the OUTPUT-FILE ends in '.la', then a libtool library is created, +only library objects ('.lo' files) may be specified, and '-rpath' is +required, except when creating a convenience library. + +If OUTPUT-FILE ends in '.a' or '.lib', then a standard library is created +using 'ar' and 'ranlib', or on Windows using 'lib'. + +If OUTPUT-FILE ends in '.lo' or '.$objext', then a reloadable object file +is created, otherwise an executable program is created." + ;; + + uninstall) + $ECHO \ +"Usage: $progname [OPTION]... --mode=uninstall RM [RM-OPTION]... FILE... + +Remove libraries from an installation directory. + +RM is the name of the program to use to delete files associated with each FILE +(typically '/bin/rm'). RM-OPTIONS are options (such as '-f') to be passed +to RM. + +If FILE is a libtool library, all the files associated with it are deleted. +Otherwise, only FILE itself is deleted using RM." + ;; + + *) + func_fatal_help "invalid operation mode '$opt_mode'" + ;; + esac + + echo + $ECHO "Try '$progname --help' for more information about other modes." +} + +# Now that we've collected a possible --mode arg, show help if necessary +if $opt_help; then + if test : = "$opt_help"; then + func_mode_help + else + { + func_help noexit + for opt_mode in compile link execute install finish uninstall clean; do + func_mode_help + done + } | $SED -n '1p; 2,$s/^Usage:/ or: /p' + { + func_help noexit + for opt_mode in compile link execute install finish uninstall clean; do + echo + func_mode_help + done + } | + $SED '1d + /^When reporting/,/^Report/{ + H + d + } + $x + /information about other modes/d + /more detailed .*MODE/d + s/^Usage:.*--mode=\([^ ]*\) .*/Description of \1 mode:/' + fi + exit $? +fi + + +# func_mode_execute arg... +func_mode_execute () +{ + $debug_cmd + + # The first argument is the command name. + cmd=$nonopt + test -z "$cmd" && \ + func_fatal_help "you must specify a COMMAND" + + # Handle -dlopen flags immediately. + for file in $opt_dlopen; do + test -f "$file" \ + || func_fatal_help "'$file' is not a file" + + dir= + case $file in + *.la) + func_resolve_sysroot "$file" + file=$func_resolve_sysroot_result + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$file" \ + || func_fatal_help "'$lib' is not a valid libtool archive" + + # Read the libtool library. + dlname= + library_names= + func_source "$file" + + # Skip this library if it cannot be dlopened. + if test -z "$dlname"; then + # Warn if it was a shared library. + test -n "$library_names" && \ + func_warning "'$file' was not linked with '-export-dynamic'" + continue + fi + + func_dirname "$file" "" "." + dir=$func_dirname_result + + if test -f "$dir/$objdir/$dlname"; then + func_append dir "/$objdir" + else + if test ! -f "$dir/$dlname"; then + func_fatal_error "cannot find '$dlname' in '$dir' or '$dir/$objdir'" + fi + fi + ;; + + *.lo) + # Just add the directory containing the .lo file. + func_dirname "$file" "" "." + dir=$func_dirname_result + ;; + + *) + func_warning "'-dlopen' is ignored for non-libtool libraries and objects" + continue + ;; + esac + + # Get the absolute pathname. + absdir=`cd "$dir" && pwd` + test -n "$absdir" && dir=$absdir + + # Now add the directory to shlibpath_var. + if eval "test -z \"\$$shlibpath_var\""; then + eval "$shlibpath_var=\"\$dir\"" + else + eval "$shlibpath_var=\"\$dir:\$$shlibpath_var\"" + fi + done + + # This variable tells wrapper scripts just to set shlibpath_var + # rather than running their programs. + libtool_execute_magic=$magic + + # Check if any of the arguments is a wrapper script. + args= + for file + do + case $file in + -* | *.la | *.lo ) ;; + *) + # Do a test to see if this is really a libtool program. + if func_ltwrapper_script_p "$file"; then + func_source "$file" + # Transform arg to wrapped name. + file=$progdir/$program + elif func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + func_source "$func_ltwrapper_scriptname_result" + # Transform arg to wrapped name. + file=$progdir/$program + fi + ;; + esac + # Quote arguments (to preserve shell metacharacters). + func_append_quoted args "$file" + done + + if $opt_dry_run; then + # Display what would be done. + if test -n "$shlibpath_var"; then + eval "\$ECHO \"\$shlibpath_var=\$$shlibpath_var\"" + echo "export $shlibpath_var" + fi + $ECHO "$cmd$args" + exit $EXIT_SUCCESS + else + if test -n "$shlibpath_var"; then + # Export the shlibpath_var. + eval "export $shlibpath_var" + fi + + # Restore saved environment variables + for lt_var in LANG LANGUAGE LC_ALL LC_CTYPE LC_COLLATE LC_MESSAGES + do + eval "if test \"\${save_$lt_var+set}\" = set; then + $lt_var=\$save_$lt_var; export $lt_var + else + $lt_unset $lt_var + fi" + done + + # Now prepare to actually exec the command. + exec_cmd=\$cmd$args + fi +} + +test execute = "$opt_mode" && func_mode_execute ${1+"$@"} + + +# func_mode_finish arg... +func_mode_finish () +{ + $debug_cmd + + libs= + libdirs= + admincmds= + + for opt in "$nonopt" ${1+"$@"} + do + if test -d "$opt"; then + func_append libdirs " $opt" + + elif test -f "$opt"; then + if func_lalib_unsafe_p "$opt"; then + func_append libs " $opt" + else + func_warning "'$opt' is not a valid libtool archive" + fi + + else + func_fatal_error "invalid argument '$opt'" + fi + done + + if test -n "$libs"; then + if test -n "$lt_sysroot"; then + sysroot_regex=`$ECHO "$lt_sysroot" | $SED "$sed_make_literal_regex"` + sysroot_cmd="s/\([ ']\)$sysroot_regex/\1/g;" + else + sysroot_cmd= + fi + + # Remove sysroot references + if $opt_dry_run; then + for lib in $libs; do + echo "removing references to $lt_sysroot and '=' prefixes from $lib" + done + else + tmpdir=`func_mktempdir` + for lib in $libs; do + $SED -e "$sysroot_cmd s/\([ ']-[LR]\)=/\1/g; s/\([ ']\)=/\1/g" $lib \ + > $tmpdir/tmp-la + mv -f $tmpdir/tmp-la $lib + done + ${RM}r "$tmpdir" + fi + fi + + if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then + for libdir in $libdirs; do + if test -n "$finish_cmds"; then + # Do each command in the finish commands. + func_execute_cmds "$finish_cmds" 'admincmds="$admincmds +'"$cmd"'"' + fi + if test -n "$finish_eval"; then + # Do the single finish_eval. + eval cmds=\"$finish_eval\" + $opt_dry_run || eval "$cmds" || func_append admincmds " + $cmds" + fi + done + fi + + # Exit here if they wanted silent mode. + $opt_quiet && exit $EXIT_SUCCESS + + if test -n "$finish_cmds$finish_eval" && test -n "$libdirs"; then + echo "----------------------------------------------------------------------" + echo "Libraries have been installed in:" + for libdir in $libdirs; do + $ECHO " $libdir" + done + echo + echo "If you ever happen to want to link against installed libraries" + echo "in a given directory, LIBDIR, you must either use libtool, and" + echo "specify the full pathname of the library, or use the '-LLIBDIR'" + echo "flag during linking and do at least one of the following:" + if test -n "$shlibpath_var"; then + echo " - add LIBDIR to the '$shlibpath_var' environment variable" + echo " during execution" + fi + if test -n "$runpath_var"; then + echo " - add LIBDIR to the '$runpath_var' environment variable" + echo " during linking" + fi + if test -n "$hardcode_libdir_flag_spec"; then + libdir=LIBDIR + eval flag=\"$hardcode_libdir_flag_spec\" + + $ECHO " - use the '$flag' linker flag" + fi + if test -n "$admincmds"; then + $ECHO " - have your system administrator run these commands:$admincmds" + fi + if test -f /etc/ld.so.conf; then + echo " - have your system administrator add LIBDIR to '/etc/ld.so.conf'" + fi + echo + + echo "See any operating system documentation about shared libraries for" + case $host in + solaris2.[6789]|solaris2.1[0-9]) + echo "more information, such as the ld(1), crle(1) and ld.so(8) manual" + echo "pages." + ;; + *) + echo "more information, such as the ld(1) and ld.so(8) manual pages." + ;; + esac + echo "----------------------------------------------------------------------" + fi + exit $EXIT_SUCCESS +} + +test finish = "$opt_mode" && func_mode_finish ${1+"$@"} + + +# func_mode_install arg... +func_mode_install () +{ + $debug_cmd + + # There may be an optional sh(1) argument at the beginning of + # install_prog (especially on Windows NT). + if test "$SHELL" = "$nonopt" || test /bin/sh = "$nonopt" || + # Allow the use of GNU shtool's install command. + case $nonopt in *shtool*) :;; *) false;; esac + then + # Aesthetically quote it. + func_quote_arg pretty "$nonopt" + install_prog="$func_quote_arg_result " + arg=$1 + shift + else + install_prog= + arg=$nonopt + fi + + # The real first argument should be the name of the installation program. + # Aesthetically quote it. + func_quote_arg pretty "$arg" + func_append install_prog "$func_quote_arg_result" + install_shared_prog=$install_prog + case " $install_prog " in + *[\\\ /]cp\ *) install_cp=: ;; + *) install_cp=false ;; + esac + + # We need to accept at least all the BSD install flags. + dest= + files= + opts= + prev= + install_type= + isdir=false + stripme= + no_mode=: + for arg + do + arg2= + if test -n "$dest"; then + func_append files " $dest" + dest=$arg + continue + fi + + case $arg in + -d) isdir=: ;; + -f) + if $install_cp; then :; else + prev=$arg + fi + ;; + -g | -m | -o) + prev=$arg + ;; + -s) + stripme=" -s" + continue + ;; + -*) + ;; + *) + # If the previous option needed an argument, then skip it. + if test -n "$prev"; then + if test X-m = "X$prev" && test -n "$install_override_mode"; then + arg2=$install_override_mode + no_mode=false + fi + prev= + else + dest=$arg + continue + fi + ;; + esac + + # Aesthetically quote the argument. + func_quote_arg pretty "$arg" + func_append install_prog " $func_quote_arg_result" + if test -n "$arg2"; then + func_quote_arg pretty "$arg2" + fi + func_append install_shared_prog " $func_quote_arg_result" + done + + test -z "$install_prog" && \ + func_fatal_help "you must specify an install program" + + test -n "$prev" && \ + func_fatal_help "the '$prev' option requires an argument" + + if test -n "$install_override_mode" && $no_mode; then + if $install_cp; then :; else + func_quote_arg pretty "$install_override_mode" + func_append install_shared_prog " -m $func_quote_arg_result" + fi + fi + + if test -z "$files"; then + if test -z "$dest"; then + func_fatal_help "no file or destination specified" + else + func_fatal_help "you must specify a destination" + fi + fi + + # Strip any trailing slash from the destination. + func_stripname '' '/' "$dest" + dest=$func_stripname_result + + # Check to see that the destination is a directory. + test -d "$dest" && isdir=: + if $isdir; then + destdir=$dest + destname= + else + func_dirname_and_basename "$dest" "" "." + destdir=$func_dirname_result + destname=$func_basename_result + func_stripname '' '/' "$destdir" + destdir=$func_stripname_result + + # Not a directory, so check to see that there is only one file specified. + set dummy $files; shift + test "$#" -gt 1 && \ + func_fatal_help "'$dest' is not a directory" + fi + case $destdir in + [\\/]* | [A-Za-z]:[\\/]*) + func_normal_abspath "$destdir" + destdir="$func_normal_abspath_result" + ;; + *) + for file in $files; do + case $file in + *.lo) ;; + *) + func_fatal_help "'$destdir' must be an absolute directory name" + ;; + esac + done + ;; + esac + + # This variable tells wrapper scripts just to set variables rather + # than running their programs. + libtool_install_magic=$magic + + staticlibs= + future_libdirs= + current_libdirs= + for file in $files; do + + # Do each installation. + case $file in + *.$libext) + # Do the static libraries later. + func_append staticlibs " $file" + ;; + + *.la) + func_resolve_sysroot "$file" + file=$func_resolve_sysroot_result + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$file" \ + || func_fatal_help "'$file' is not a valid libtool archive" + + library_names= + old_library= + relink_command= + func_source "$file" + + # Add the libdir to current_libdirs if it is the destination. + if test "X$destdir" = "X$libdir"; then + case "$current_libdirs " in + *" $libdir "*) ;; + *) func_append current_libdirs " $libdir" ;; + esac + else + # Note the libdir as a future libdir. + case "$future_libdirs " in + *" $libdir "*) ;; + *) func_append future_libdirs " $libdir" ;; + esac + fi + + func_dirname "$file" "/" "" + dir=$func_dirname_result + func_append dir "$objdir" + + if test -n "$relink_command"; then + # Determine the prefix the user has applied to our future dir. + inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"` + + # Don't allow the user to place us outside of our expected + # location b/c this prevents finding dependent libraries that + # are installed to the same prefix. + # At present, this check doesn't affect windows .dll's that + # are installed into $libdir/../bin (currently, that works fine) + # but it's something to keep an eye on. + test "$inst_prefix_dir" = "$destdir" && \ + func_fatal_error "error: cannot install '$file' to a directory not ending in $libdir" + + if test -n "$inst_prefix_dir"; then + # Stick the inst_prefix_dir data into the link command. + relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` + else + relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` + fi + + func_warning "relinking '$file'" + func_show_eval "$relink_command" \ + 'func_fatal_error "error: relink '\''$file'\'' with the above command before installing it"' + fi + + # See the names of the shared library. + set dummy $library_names; shift + if test -n "$1"; then + realname=$1 + shift + + srcname=$realname + test -n "$relink_command" && srcname=${realname}T + + # Install the shared library and build the symlinks. + func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ + 'exit $?' + tstripme=$stripme + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + case $realname in + *.dll.a) + tstripme= + ;; + esac + ;; + os2*) + case $realname in + *_dll.a) + tstripme= + ;; + esac + ;; + esac + if test -n "$tstripme" && test -n "$striplib"; then + func_show_eval "$striplib $destdir/$realname" 'exit $?' + fi + + if test "$#" -gt 0; then + # Delete the old symlinks, and create new ones. + # Try 'ln -sf' first, because the 'ln' binary might depend on + # the symlink we replace! Solaris /bin/ln does not understand -f, + # so we also need to try rm && ln -s. + for linkname + do + test "$linkname" != "$realname" \ + && func_show_eval "(cd $destdir && { $LN_S -f $realname $linkname || { $RM $linkname && $LN_S $realname $linkname; }; })" + done + fi + + # Do each command in the postinstall commands. + lib=$destdir/$realname + func_execute_cmds "$postinstall_cmds" 'exit $?' + fi + + # Install the pseudo-library for information purposes. + func_basename "$file" + name=$func_basename_result + instname=$dir/${name}i + func_show_eval "$install_prog $instname $destdir/$name" 'exit $?' + + # Maybe install the static library, too. + test -n "$old_library" && func_append staticlibs " $dir/$old_library" + ;; + + *.lo) + # Install (i.e. copy) a libtool object. + + # Figure out destination file name, if it wasn't already specified. + if test -n "$destname"; then + destfile=$destdir/$destname + else + func_basename "$file" + destfile=$func_basename_result + destfile=$destdir/$destfile + fi + + # Deduce the name of the destination old-style object file. + case $destfile in + *.lo) + func_lo2o "$destfile" + staticdest=$func_lo2o_result + ;; + *.$objext) + staticdest=$destfile + destfile= + ;; + *) + func_fatal_help "cannot copy a libtool object to '$destfile'" + ;; + esac + + # Install the libtool object if requested. + test -n "$destfile" && \ + func_show_eval "$install_prog $file $destfile" 'exit $?' + + # Install the old object if enabled. + if test yes = "$build_old_libs"; then + # Deduce the name of the old-style object file. + func_lo2o "$file" + staticobj=$func_lo2o_result + func_show_eval "$install_prog \$staticobj \$staticdest" 'exit $?' + fi + exit $EXIT_SUCCESS + ;; + + *) + # Figure out destination file name, if it wasn't already specified. + if test -n "$destname"; then + destfile=$destdir/$destname + else + func_basename "$file" + destfile=$func_basename_result + destfile=$destdir/$destfile + fi + + # If the file is missing, and there is a .exe on the end, strip it + # because it is most likely a libtool script we actually want to + # install + stripped_ext= + case $file in + *.exe) + if test ! -f "$file"; then + func_stripname '' '.exe' "$file" + file=$func_stripname_result + stripped_ext=.exe + fi + ;; + esac + + # Do a test to see if this is really a libtool program. + case $host in + *cygwin* | *mingw*) + if func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + wrapper=$func_ltwrapper_scriptname_result + else + func_stripname '' '.exe' "$file" + wrapper=$func_stripname_result + fi + ;; + *) + wrapper=$file + ;; + esac + if func_ltwrapper_script_p "$wrapper"; then + notinst_deplibs= + relink_command= + + func_source "$wrapper" + + # Check the variables that should have been set. + test -z "$generated_by_libtool_version" && \ + func_fatal_error "invalid libtool wrapper script '$wrapper'" + + finalize=: + for lib in $notinst_deplibs; do + # Check to see that each library is installed. + libdir= + if test -f "$lib"; then + func_source "$lib" + fi + libfile=$libdir/`$ECHO "$lib" | $SED 's%^.*/%%g'` + if test -n "$libdir" && test ! -f "$libfile"; then + func_warning "'$lib' has not been installed in '$libdir'" + finalize=false + fi + done + + relink_command= + func_source "$wrapper" + + outputname= + if test no = "$fast_install" && test -n "$relink_command"; then + $opt_dry_run || { + if $finalize; then + tmpdir=`func_mktempdir` + func_basename "$file$stripped_ext" + file=$func_basename_result + outputname=$tmpdir/$file + # Replace the output file specification. + relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` + + $opt_quiet || { + func_quote_arg expand,pretty "$relink_command" + eval "func_echo $func_quote_arg_result" + } + if eval "$relink_command"; then : + else + func_error "error: relink '$file' with the above command before installing it" + $opt_dry_run || ${RM}r "$tmpdir" + continue + fi + file=$outputname + else + func_warning "cannot relink '$file'" + fi + } + else + # Install the binary that we compiled earlier. + file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` + fi + fi + + # remove .exe since cygwin /usr/bin/install will append another + # one anyway + case $install_prog,$host in + */usr/bin/install*,*cygwin*) + case $file:$destfile in + *.exe:*.exe) + # this is ok + ;; + *.exe:*) + destfile=$destfile.exe + ;; + *:*.exe) + func_stripname '' '.exe' "$destfile" + destfile=$func_stripname_result + ;; + esac + ;; + esac + func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' + $opt_dry_run || if test -n "$outputname"; then + ${RM}r "$tmpdir" + fi + ;; + esac + done + + for file in $staticlibs; do + func_basename "$file" + name=$func_basename_result + + # Set up the ranlib parameters. + oldlib=$destdir/$name + func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 + tool_oldlib=$func_to_tool_file_result + + func_show_eval "$install_prog \$file \$oldlib" 'exit $?' + + if test -n "$stripme" && test -n "$old_striplib"; then + func_show_eval "$old_striplib $tool_oldlib" 'exit $?' + fi + + # Do each command in the postinstall commands. + func_execute_cmds "$old_postinstall_cmds" 'exit $?' + done + + test -n "$future_libdirs" && \ + func_warning "remember to run '$progname --finish$future_libdirs'" + + if test -n "$current_libdirs"; then + # Maybe just do a dry run. + $opt_dry_run && current_libdirs=" -n$current_libdirs" + exec_cmd='$SHELL "$progpath" $preserve_args --finish$current_libdirs' + else + exit $EXIT_SUCCESS + fi +} + +test install = "$opt_mode" && func_mode_install ${1+"$@"} + + +# func_generate_dlsyms outputname originator pic_p +# Extract symbols from dlprefiles and create ${outputname}S.o with +# a dlpreopen symbol table. +func_generate_dlsyms () +{ + $debug_cmd + + my_outputname=$1 + my_originator=$2 + my_pic_p=${3-false} + my_prefix=`$ECHO "$my_originator" | $SED 's%[^a-zA-Z0-9]%_%g'` + my_dlsyms= + + if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then + if test -n "$NM" && test -n "$global_symbol_pipe"; then + my_dlsyms=${my_outputname}S.c + else + func_error "not configured to extract global symbols from dlpreopened files" + fi + fi + + if test -n "$my_dlsyms"; then + case $my_dlsyms in + "") ;; + *.c) + # Discover the nlist of each of the dlfiles. + nlist=$output_objdir/$my_outputname.nm + + func_show_eval "$RM $nlist ${nlist}S ${nlist}T" + + # Parse the name list into a source file. + func_verbose "creating $output_objdir/$my_dlsyms" + + $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ +/* $my_dlsyms - symbol resolution table for '$my_outputname' dlsym emulation. */ +/* Generated by $PROGRAM (GNU $PACKAGE) $VERSION */ + +#ifdef __cplusplus +extern \"C\" { +#endif + +#if defined __GNUC__ && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) +#pragma GCC diagnostic ignored \"-Wstrict-prototypes\" +#endif + +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE +/* DATA imports from DLLs on WIN32 can't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT_DLSYM_CONST +#elif defined __osf__ +/* This system does not cope well with relocations in const data. */ +# define LT_DLSYM_CONST +#else +# define LT_DLSYM_CONST const +#endif + +#define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0) + +/* External symbol declarations for the compiler. */\ +" + + if test yes = "$dlself"; then + func_verbose "generating symbol list for '$output'" + + $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" + + # Add our own program objects to the symbol list. + progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` + for progfile in $progfiles; do + func_to_tool_file "$progfile" func_convert_file_msys_to_w32 + func_verbose "extracting global C symbols from '$func_to_tool_file_result'" + $opt_dry_run || eval "$NM $func_to_tool_file_result | $global_symbol_pipe >> '$nlist'" + done + + if test -n "$exclude_expsyms"; then + $opt_dry_run || { + eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + } + fi + + if test -n "$export_symbols_regex"; then + $opt_dry_run || { + eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + } + fi + + # Prepare the list of exported symbols + if test -z "$export_symbols"; then + export_symbols=$output_objdir/$outputname.exp + $opt_dry_run || { + $RM $export_symbols + eval "$SED -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' + case $host in + *cygwin* | *mingw* | *cegcc* ) + eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' + eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' + ;; + esac + } + else + $opt_dry_run || { + eval "$SED -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' + eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' + eval '$MV "$nlist"T "$nlist"' + case $host in + *cygwin* | *mingw* | *cegcc* ) + eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' + eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' + ;; + esac + } + fi + fi + + for dlprefile in $dlprefiles; do + func_verbose "extracting global C symbols from '$dlprefile'" + func_basename "$dlprefile" + name=$func_basename_result + case $host in + *cygwin* | *mingw* | *cegcc* ) + # if an import library, we need to obtain dlname + if func_win32_import_lib_p "$dlprefile"; then + func_tr_sh "$dlprefile" + eval "curr_lafile=\$libfile_$func_tr_sh_result" + dlprefile_dlbasename= + if test -n "$curr_lafile" && func_lalib_p "$curr_lafile"; then + # Use subshell, to avoid clobbering current variable values + dlprefile_dlname=`source "$curr_lafile" && echo "$dlname"` + if test -n "$dlprefile_dlname"; then + func_basename "$dlprefile_dlname" + dlprefile_dlbasename=$func_basename_result + else + # no lafile. user explicitly requested -dlpreopen . + $sharedlib_from_linklib_cmd "$dlprefile" + dlprefile_dlbasename=$sharedlib_from_linklib_result + fi + fi + $opt_dry_run || { + if test -n "$dlprefile_dlbasename"; then + eval '$ECHO ": $dlprefile_dlbasename" >> "$nlist"' + else + func_warning "Could not compute DLL name from $name" + eval '$ECHO ": $name " >> "$nlist"' + fi + func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 + eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe | + $SED -e '/I __imp/d' -e 's/I __nm_/D /;s/_nm__//' >> '$nlist'" + } + else # not an import lib + $opt_dry_run || { + eval '$ECHO ": $name " >> "$nlist"' + func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 + eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" + } + fi + ;; + *) + $opt_dry_run || { + eval '$ECHO ": $name " >> "$nlist"' + func_to_tool_file "$dlprefile" func_convert_file_msys_to_w32 + eval "$NM \"$func_to_tool_file_result\" 2>/dev/null | $global_symbol_pipe >> '$nlist'" + } + ;; + esac + done + + $opt_dry_run || { + # Make sure we have at least an empty file. + test -f "$nlist" || : > "$nlist" + + if test -n "$exclude_expsyms"; then + $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T + $MV "$nlist"T "$nlist" + fi + + # Try sorting and uniquifying the output. + if $GREP -v "^: " < "$nlist" | + if sort -k 3 /dev/null 2>&1; then + sort -k 3 + else + sort +2 + fi | + uniq > "$nlist"S; then + : + else + $GREP -v "^: " < "$nlist" > "$nlist"S + fi + + if test -f "$nlist"S; then + eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' + else + echo '/* NONE */' >> "$output_objdir/$my_dlsyms" + fi + + func_show_eval '$RM "${nlist}I"' + if test -n "$global_symbol_to_import"; then + eval "$global_symbol_to_import"' < "$nlist"S > "$nlist"I' + fi + + echo >> "$output_objdir/$my_dlsyms" "\ + +/* The mapping between symbol names and symbols. */ +typedef struct { + const char *name; + void *address; +} lt_dlsymlist; +extern LT_DLSYM_CONST lt_dlsymlist +lt_${my_prefix}_LTX_preloaded_symbols[];\ +" + + if test -s "$nlist"I; then + echo >> "$output_objdir/$my_dlsyms" "\ +static void lt_syminit(void) +{ + LT_DLSYM_CONST lt_dlsymlist *symbol = lt_${my_prefix}_LTX_preloaded_symbols; + for (; symbol->name; ++symbol) + {" + $SED 's/.*/ if (STREQ (symbol->name, \"&\")) symbol->address = (void *) \&&;/' < "$nlist"I >> "$output_objdir/$my_dlsyms" + echo >> "$output_objdir/$my_dlsyms" "\ + } +}" + fi + echo >> "$output_objdir/$my_dlsyms" "\ +LT_DLSYM_CONST lt_dlsymlist +lt_${my_prefix}_LTX_preloaded_symbols[] = +{ {\"$my_originator\", (void *) 0}," + + if test -s "$nlist"I; then + echo >> "$output_objdir/$my_dlsyms" "\ + {\"@INIT@\", (void *) <_syminit}," + fi + + case $need_lib_prefix in + no) + eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" + ;; + *) + eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" + ;; + esac + echo >> "$output_objdir/$my_dlsyms" "\ + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt_${my_prefix}_LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif\ +" + } # !$opt_dry_run + + pic_flag_for_symtable= + case "$compile_command " in + *" -static "*) ;; + *) + case $host in + # compiling the symbol table file with pic_flag works around + # a FreeBSD bug that causes programs to crash when -lm is + # linked before any other PIC object. But we must not use + # pic_flag when linking with -static. The problem exists in + # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. + *-*-freebsd2.*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) + pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; + *-*-hpux*) + pic_flag_for_symtable=" $pic_flag" ;; + *) + $my_pic_p && pic_flag_for_symtable=" $pic_flag" + ;; + esac + ;; + esac + symtab_cflags= + for arg in $LTCFLAGS; do + case $arg in + -pie | -fpie | -fPIE) ;; + *) func_append symtab_cflags " $arg" ;; + esac + done + + # Now compile the dynamic symbol file. + func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' + + # Clean up the generated files. + func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T" "${nlist}I"' + + # Transform the symbol file into the correct name. + symfileobj=$output_objdir/${my_outputname}S.$objext + case $host in + *cygwin* | *mingw* | *cegcc* ) + if test -f "$output_objdir/$my_outputname.def"; then + compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` + else + compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` + fi + ;; + *) + compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` + ;; + esac + ;; + *) + func_fatal_error "unknown suffix for '$my_dlsyms'" + ;; + esac + else + # We keep going just in case the user didn't refer to + # lt_preloaded_symbols. The linker will fail if global_symbol_pipe + # really was required. + + # Nullify the symbol file. + compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` + finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` + fi +} + +# func_cygming_gnu_implib_p ARG +# This predicate returns with zero status (TRUE) if +# ARG is a GNU/binutils-style import library. Returns +# with nonzero status (FALSE) otherwise. +func_cygming_gnu_implib_p () +{ + $debug_cmd + + func_to_tool_file "$1" func_convert_file_msys_to_w32 + func_cygming_gnu_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $EGREP ' (_head_[A-Za-z0-9_]+_[ad]l*|[A-Za-z0-9_]+_[ad]l*_iname)$'` + test -n "$func_cygming_gnu_implib_tmp" +} + +# func_cygming_ms_implib_p ARG +# This predicate returns with zero status (TRUE) if +# ARG is an MS-style import library. Returns +# with nonzero status (FALSE) otherwise. +func_cygming_ms_implib_p () +{ + $debug_cmd + + func_to_tool_file "$1" func_convert_file_msys_to_w32 + func_cygming_ms_implib_tmp=`$NM "$func_to_tool_file_result" | eval "$global_symbol_pipe" | $GREP '_NULL_IMPORT_DESCRIPTOR'` + test -n "$func_cygming_ms_implib_tmp" +} + +# func_win32_libid arg +# return the library type of file 'arg' +# +# Need a lot of goo to handle *both* DLLs and import libs +# Has to be a shell function in order to 'eat' the argument +# that is supplied when $file_magic_command is called. +# Despite the name, also deal with 64 bit binaries. +func_win32_libid () +{ + $debug_cmd + + win32_libid_type=unknown + win32_fileres=`file -L $1 2>/dev/null` + case $win32_fileres in + *ar\ archive\ import\ library*) # definitely import + win32_libid_type="x86 archive import" + ;; + *ar\ archive*) # could be an import, or static + # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. + if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | + $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then + case $nm_interface in + "MS dumpbin") + if func_cygming_ms_implib_p "$1" || + func_cygming_gnu_implib_p "$1" + then + win32_nmres=import + else + win32_nmres= + fi + ;; + *) + func_to_tool_file "$1" func_convert_file_msys_to_w32 + win32_nmres=`eval $NM -f posix -A \"$func_to_tool_file_result\" | + $SED -n -e ' + 1,100{ + / I /{ + s|.*|import| + p + q + } + }'` + ;; + esac + case $win32_nmres in + import*) win32_libid_type="x86 archive import";; + *) win32_libid_type="x86 archive static";; + esac + fi + ;; + *DLL*) + win32_libid_type="x86 DLL" + ;; + *executable*) # but shell scripts are "executable" too... + case $win32_fileres in + *MS\ Windows\ PE\ Intel*) + win32_libid_type="x86 DLL" + ;; + esac + ;; + esac + $ECHO "$win32_libid_type" +} + +# func_cygming_dll_for_implib ARG +# +# Platform-specific function to extract the +# name of the DLL associated with the specified +# import library ARG. +# Invoked by eval'ing the libtool variable +# $sharedlib_from_linklib_cmd +# Result is available in the variable +# $sharedlib_from_linklib_result +func_cygming_dll_for_implib () +{ + $debug_cmd + + sharedlib_from_linklib_result=`$DLLTOOL --identify-strict --identify "$1"` +} + +# func_cygming_dll_for_implib_fallback_core SECTION_NAME LIBNAMEs +# +# The is the core of a fallback implementation of a +# platform-specific function to extract the name of the +# DLL associated with the specified import library LIBNAME. +# +# SECTION_NAME is either .idata$6 or .idata$7, depending +# on the platform and compiler that created the implib. +# +# Echos the name of the DLL associated with the +# specified import library. +func_cygming_dll_for_implib_fallback_core () +{ + $debug_cmd + + match_literal=`$ECHO "$1" | $SED "$sed_make_literal_regex"` + $OBJDUMP -s --section "$1" "$2" 2>/dev/null | + $SED '/^Contents of section '"$match_literal"':/{ + # Place marker at beginning of archive member dllname section + s/.*/====MARK====/ + p + d + } + # These lines can sometimes be longer than 43 characters, but + # are always uninteresting + /:[ ]*file format pe[i]\{,1\}-/d + /^In archive [^:]*:/d + # Ensure marker is printed + /^====MARK====/p + # Remove all lines with less than 43 characters + /^.\{43\}/!d + # From remaining lines, remove first 43 characters + s/^.\{43\}//' | + $SED -n ' + # Join marker and all lines until next marker into a single line + /^====MARK====/ b para + H + $ b para + b + :para + x + s/\n//g + # Remove the marker + s/^====MARK====// + # Remove trailing dots and whitespace + s/[\. \t]*$// + # Print + /./p' | + # we now have a list, one entry per line, of the stringified + # contents of the appropriate section of all members of the + # archive that possess that section. Heuristic: eliminate + # all those that have a first or second character that is + # a '.' (that is, objdump's representation of an unprintable + # character.) This should work for all archives with less than + # 0x302f exports -- but will fail for DLLs whose name actually + # begins with a literal '.' or a single character followed by + # a '.'. + # + # Of those that remain, print the first one. + $SED -e '/^\./d;/^.\./d;q' +} + +# func_cygming_dll_for_implib_fallback ARG +# Platform-specific function to extract the +# name of the DLL associated with the specified +# import library ARG. +# +# This fallback implementation is for use when $DLLTOOL +# does not support the --identify-strict option. +# Invoked by eval'ing the libtool variable +# $sharedlib_from_linklib_cmd +# Result is available in the variable +# $sharedlib_from_linklib_result +func_cygming_dll_for_implib_fallback () +{ + $debug_cmd + + if func_cygming_gnu_implib_p "$1"; then + # binutils import library + sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$7' "$1"` + elif func_cygming_ms_implib_p "$1"; then + # ms-generated import library + sharedlib_from_linklib_result=`func_cygming_dll_for_implib_fallback_core '.idata$6' "$1"` + else + # unknown + sharedlib_from_linklib_result= + fi +} + + +# func_extract_an_archive dir oldlib +func_extract_an_archive () +{ + $debug_cmd + + f_ex_an_ar_dir=$1; shift + f_ex_an_ar_oldlib=$1 + if test yes = "$lock_old_archive_extraction"; then + lockfile=$f_ex_an_ar_oldlib.lock + until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do + func_echo "Waiting for $lockfile to be removed" + sleep 2 + done + fi + func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ + 'stat=$?; rm -f "$lockfile"; exit $stat' + if test yes = "$lock_old_archive_extraction"; then + $opt_dry_run || rm -f "$lockfile" + fi + if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then + : + else + func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" + fi +} + + +# func_extract_archives gentop oldlib ... +func_extract_archives () +{ + $debug_cmd + + my_gentop=$1; shift + my_oldlibs=${1+"$@"} + my_oldobjs= + my_xlib= + my_xabs= + my_xdir= + + for my_xlib in $my_oldlibs; do + # Extract the objects. + case $my_xlib in + [\\/]* | [A-Za-z]:[\\/]*) my_xabs=$my_xlib ;; + *) my_xabs=`pwd`"/$my_xlib" ;; + esac + func_basename "$my_xlib" + my_xlib=$func_basename_result + my_xlib_u=$my_xlib + while :; do + case " $extracted_archives " in + *" $my_xlib_u "*) + func_arith $extracted_serial + 1 + extracted_serial=$func_arith_result + my_xlib_u=lt$extracted_serial-$my_xlib ;; + *) break ;; + esac + done + extracted_archives="$extracted_archives $my_xlib_u" + my_xdir=$my_gentop/$my_xlib_u + + func_mkdir_p "$my_xdir" + + case $host in + *-darwin*) + func_verbose "Extracting $my_xabs" + # Do not bother doing anything if just a dry run + $opt_dry_run || { + darwin_orig_dir=`pwd` + cd $my_xdir || exit $? + darwin_archive=$my_xabs + darwin_curdir=`pwd` + func_basename "$darwin_archive" + darwin_base_archive=$func_basename_result + darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` + if test -n "$darwin_arches"; then + darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` + darwin_arch= + func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" + for darwin_arch in $darwin_arches; do + func_mkdir_p "unfat-$$/$darwin_base_archive-$darwin_arch" + $LIPO -thin $darwin_arch -output "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" "$darwin_archive" + cd "unfat-$$/$darwin_base_archive-$darwin_arch" + func_extract_an_archive "`pwd`" "$darwin_base_archive" + cd "$darwin_curdir" + $RM "unfat-$$/$darwin_base_archive-$darwin_arch/$darwin_base_archive" + done # $darwin_arches + ## Okay now we've a bunch of thin objects, gotta fatten them up :) + darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$sed_basename" | sort -u` + darwin_file= + darwin_files= + for darwin_file in $darwin_filelist; do + darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` + $LIPO -create -output "$darwin_file" $darwin_files + done # $darwin_filelist + $RM -rf unfat-$$ + cd "$darwin_orig_dir" + else + cd $darwin_orig_dir + func_extract_an_archive "$my_xdir" "$my_xabs" + fi # $darwin_arches + } # !$opt_dry_run + ;; + *) + func_extract_an_archive "$my_xdir" "$my_xabs" + ;; + esac + my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` + done + + func_extract_archives_result=$my_oldobjs +} + + +# func_emit_wrapper [arg=no] +# +# Emit a libtool wrapper script on stdout. +# Don't directly open a file because we may want to +# incorporate the script contents within a cygwin/mingw +# wrapper executable. Must ONLY be called from within +# func_mode_link because it depends on a number of variables +# set therein. +# +# ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR +# variable will take. If 'yes', then the emitted script +# will assume that the directory where it is stored is +# the $objdir directory. This is a cygwin/mingw-specific +# behavior. +func_emit_wrapper () +{ + func_emit_wrapper_arg1=${1-no} + + $ECHO "\ +#! $SHELL + +# $output - temporary wrapper script for $objdir/$outputname +# Generated by $PROGRAM (GNU $PACKAGE) $VERSION +# +# The $output program cannot be directly executed until all the libtool +# libraries that it depends on are installed. +# +# This wrapper script should never be moved out of the build directory. +# If it is, it will not operate correctly. + +# Sed substitution that helps us do robust quoting. It backslashifies +# metacharacters that are still active within double-quoted strings. +sed_quote_subst='$sed_quote_subst' + +# Be Bourne compatible +if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac +fi +BIN_SH=xpg4; export BIN_SH # for Tru64 +DUALCASE=1; export DUALCASE # for MKS sh + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +relink_command=\"$relink_command\" + +# This environment variable determines our operation mode. +if test \"\$libtool_install_magic\" = \"$magic\"; then + # install mode needs the following variables: + generated_by_libtool_version='$macro_version' + notinst_deplibs='$notinst_deplibs' +else + # When we are sourced in execute mode, \$file and \$ECHO are already set. + if test \"\$libtool_execute_magic\" != \"$magic\"; then + file=\"\$0\"" + + func_quote_arg pretty "$ECHO" + qECHO=$func_quote_arg_result + $ECHO "\ + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$1 +_LTECHO_EOF' +} + ECHO=$qECHO + fi + +# Very basic option parsing. These options are (a) specific to +# the libtool wrapper, (b) are identical between the wrapper +# /script/ and the wrapper /executable/ that is used only on +# windows platforms, and (c) all begin with the string "--lt-" +# (application programs are unlikely to have options that match +# this pattern). +# +# There are only two supported options: --lt-debug and +# --lt-dump-script. There is, deliberately, no --lt-help. +# +# The first argument to this parsing function should be the +# script's $0 value, followed by "$@". +lt_option_debug= +func_parse_lt_options () +{ + lt_script_arg0=\$0 + shift + for lt_opt + do + case \"\$lt_opt\" in + --lt-debug) lt_option_debug=1 ;; + --lt-dump-script) + lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` + test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. + lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` + cat \"\$lt_dump_D/\$lt_dump_F\" + exit 0 + ;; + --lt-*) + \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 + exit 1 + ;; + esac + done + + # Print the debug banner immediately: + if test -n \"\$lt_option_debug\"; then + echo \"$outputname:$output:\$LINENO: libtool wrapper (GNU $PACKAGE) $VERSION\" 1>&2 + fi +} + +# Used when --lt-debug. Prints its arguments to stdout +# (redirection is the responsibility of the caller) +func_lt_dump_args () +{ + lt_dump_args_N=1; + for lt_arg + do + \$ECHO \"$outputname:$output:\$LINENO: newargv[\$lt_dump_args_N]: \$lt_arg\" + lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` + done +} + +# Core function for launching the target application +func_exec_program_core () +{ +" + case $host in + # Backslashes separate directories on plain windows + *-*-mingw | *-*-os2* | *-cegcc*) + $ECHO "\ + if test -n \"\$lt_option_debug\"; then + \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir\\\\\$program\" 1>&2 + func_lt_dump_args \${1+\"\$@\"} 1>&2 + fi + exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} +" + ;; + + *) + $ECHO "\ + if test -n \"\$lt_option_debug\"; then + \$ECHO \"$outputname:$output:\$LINENO: newargv[0]: \$progdir/\$program\" 1>&2 + func_lt_dump_args \${1+\"\$@\"} 1>&2 + fi + exec \"\$progdir/\$program\" \${1+\"\$@\"} +" + ;; + esac + $ECHO "\ + \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 + exit 1 +} + +# A function to encapsulate launching the target application +# Strips options in the --lt-* namespace from \$@ and +# launches target application with the remaining arguments. +func_exec_program () +{ + case \" \$* \" in + *\\ --lt-*) + for lt_wr_arg + do + case \$lt_wr_arg in + --lt-*) ;; + *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; + esac + shift + done ;; + esac + func_exec_program_core \${1+\"\$@\"} +} + + # Parse options + func_parse_lt_options \"\$0\" \${1+\"\$@\"} + + # Find the directory that this script lives in. + thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` + test \"x\$thisdir\" = \"x\$file\" && thisdir=. + + # Follow symbolic links until we get to the real thisdir. + file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` + while test -n \"\$file\"; do + destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` + + # If there was a directory component, then change thisdir. + if test \"x\$destdir\" != \"x\$file\"; then + case \"\$destdir\" in + [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; + *) thisdir=\"\$thisdir/\$destdir\" ;; + esac + fi + + file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` + file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` + done + + # Usually 'no', except on cygwin/mingw when embedded into + # the cwrapper. + WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 + if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then + # special case for '.' + if test \"\$thisdir\" = \".\"; then + thisdir=\`pwd\` + fi + # remove .libs from thisdir + case \"\$thisdir\" in + *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; + $objdir ) thisdir=. ;; + esac + fi + + # Try to get the absolute directory name. + absdir=\`cd \"\$thisdir\" && pwd\` + test -n \"\$absdir\" && thisdir=\"\$absdir\" +" + + if test yes = "$fast_install"; then + $ECHO "\ + program=lt-'$outputname'$exeext + progdir=\"\$thisdir/$objdir\" + + if test ! -f \"\$progdir/\$program\" || + { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | $SED 1q\`; \\ + test \"X\$file\" != \"X\$progdir/\$program\"; }; then + + file=\"\$\$-\$program\" + + if test ! -d \"\$progdir\"; then + $MKDIR \"\$progdir\" + else + $RM \"\$progdir/\$file\" + fi" + + $ECHO "\ + + # relink executable if necessary + if test -n \"\$relink_command\"; then + if relink_command_output=\`eval \$relink_command 2>&1\`; then : + else + \$ECHO \"\$relink_command_output\" >&2 + $RM \"\$progdir/\$file\" + exit 1 + fi + fi + + $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || + { $RM \"\$progdir/\$program\"; + $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } + $RM \"\$progdir/\$file\" + fi" + else + $ECHO "\ + program='$outputname' + progdir=\"\$thisdir/$objdir\" +" + fi + + $ECHO "\ + + if test -f \"\$progdir/\$program\"; then" + + # fixup the dll searchpath if we need to. + # + # Fix the DLL searchpath if we need to. Do this before prepending + # to shlibpath, because on Windows, both are PATH and uninstalled + # libraries must come first. + if test -n "$dllsearchpath"; then + $ECHO "\ + # Add the dll search path components to the executable PATH + PATH=$dllsearchpath:\$PATH +" + fi + + # Export our shlibpath_var if we have one. + if test yes = "$shlibpath_overrides_runpath" && test -n "$shlibpath_var" && test -n "$temp_rpath"; then + $ECHO "\ + # Add our own library path to $shlibpath_var + $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" + + # Some systems cannot cope with colon-terminated $shlibpath_var + # The second colon is a workaround for a bug in BeOS R4 sed + $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` + + export $shlibpath_var +" + fi + + $ECHO "\ + if test \"\$libtool_execute_magic\" != \"$magic\"; then + # Run the actual program with our arguments. + func_exec_program \${1+\"\$@\"} + fi + else + # The program doesn't exist. + \$ECHO \"\$0: error: '\$progdir/\$program' does not exist\" 1>&2 + \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 + \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 + exit 1 + fi +fi\ +" +} + + +# func_emit_cwrapperexe_src +# emit the source code for a wrapper executable on stdout +# Must ONLY be called from within func_mode_link because +# it depends on a number of variable set therein. +func_emit_cwrapperexe_src () +{ + cat < +#include +#ifdef _MSC_VER +# include +# include +# include +#else +# include +# include +# ifdef __CYGWIN__ +# include +# endif +#endif +#include +#include +#include +#include +#include +#include +#include +#include + +#define STREQ(s1, s2) (strcmp ((s1), (s2)) == 0) + +/* declarations of non-ANSI functions */ +#if defined __MINGW32__ +# ifdef __STRICT_ANSI__ +int _putenv (const char *); +# endif +#elif defined __CYGWIN__ +# ifdef __STRICT_ANSI__ +char *realpath (const char *, char *); +int putenv (char *); +int setenv (const char *, const char *, int); +# endif +/* #elif defined other_platform || defined ... */ +#endif + +/* portability defines, excluding path handling macros */ +#if defined _MSC_VER +# define setmode _setmode +# define stat _stat +# define chmod _chmod +# define getcwd _getcwd +# define putenv _putenv +# define S_IXUSR _S_IEXEC +#elif defined __MINGW32__ +# define setmode _setmode +# define stat _stat +# define chmod _chmod +# define getcwd _getcwd +# define putenv _putenv +#elif defined __CYGWIN__ +# define HAVE_SETENV +# define FOPEN_WB "wb" +/* #elif defined other platforms ... */ +#endif + +#if defined PATH_MAX +# define LT_PATHMAX PATH_MAX +#elif defined MAXPATHLEN +# define LT_PATHMAX MAXPATHLEN +#else +# define LT_PATHMAX 1024 +#endif + +#ifndef S_IXOTH +# define S_IXOTH 0 +#endif +#ifndef S_IXGRP +# define S_IXGRP 0 +#endif + +/* path handling portability macros */ +#ifndef DIR_SEPARATOR +# define DIR_SEPARATOR '/' +# define PATH_SEPARATOR ':' +#endif + +#if defined _WIN32 || defined __MSDOS__ || defined __DJGPP__ || \ + defined __OS2__ +# define HAVE_DOS_BASED_FILE_SYSTEM +# define FOPEN_WB "wb" +# ifndef DIR_SEPARATOR_2 +# define DIR_SEPARATOR_2 '\\' +# endif +# ifndef PATH_SEPARATOR_2 +# define PATH_SEPARATOR_2 ';' +# endif +#endif + +#ifndef DIR_SEPARATOR_2 +# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) +#else /* DIR_SEPARATOR_2 */ +# define IS_DIR_SEPARATOR(ch) \ + (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) +#endif /* DIR_SEPARATOR_2 */ + +#ifndef PATH_SEPARATOR_2 +# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) +#else /* PATH_SEPARATOR_2 */ +# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) +#endif /* PATH_SEPARATOR_2 */ + +#ifndef FOPEN_WB +# define FOPEN_WB "w" +#endif +#ifndef _O_BINARY +# define _O_BINARY 0 +#endif + +#define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) +#define XFREE(stale) do { \ + if (stale) { free (stale); stale = 0; } \ +} while (0) + +#if defined LT_DEBUGWRAPPER +static int lt_debug = 1; +#else +static int lt_debug = 0; +#endif + +const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ + +void *xmalloc (size_t num); +char *xstrdup (const char *string); +const char *base_name (const char *name); +char *find_executable (const char *wrapper); +char *chase_symlinks (const char *pathspec); +int make_executable (const char *path); +int check_executable (const char *path); +char *strendzap (char *str, const char *pat); +void lt_debugprintf (const char *file, int line, const char *fmt, ...); +void lt_fatal (const char *file, int line, const char *message, ...); +static const char *nonnull (const char *s); +static const char *nonempty (const char *s); +void lt_setenv (const char *name, const char *value); +char *lt_extend_str (const char *orig_value, const char *add, int to_end); +void lt_update_exe_path (const char *name, const char *value); +void lt_update_lib_path (const char *name, const char *value); +char **prepare_spawn (char **argv); +void lt_dump_script (FILE *f); +EOF + + cat <= 0) + && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) + return 1; + else + return 0; +} + +int +make_executable (const char *path) +{ + int rval = 0; + struct stat st; + + lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", + nonempty (path)); + if ((!path) || (!*path)) + return 0; + + if (stat (path, &st) >= 0) + { + rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); + } + return rval; +} + +/* Searches for the full path of the wrapper. Returns + newly allocated full path name if found, NULL otherwise + Does not chase symlinks, even on platforms that support them. +*/ +char * +find_executable (const char *wrapper) +{ + int has_slash = 0; + const char *p; + const char *p_next; + /* static buffer for getcwd */ + char tmp[LT_PATHMAX + 1]; + size_t tmp_len; + char *concat_name; + + lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", + nonempty (wrapper)); + + if ((wrapper == NULL) || (*wrapper == '\0')) + return NULL; + + /* Absolute path? */ +#if defined HAVE_DOS_BASED_FILE_SYSTEM + if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') + { + concat_name = xstrdup (wrapper); + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } + else + { +#endif + if (IS_DIR_SEPARATOR (wrapper[0])) + { + concat_name = xstrdup (wrapper); + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } +#if defined HAVE_DOS_BASED_FILE_SYSTEM + } +#endif + + for (p = wrapper; *p; p++) + if (*p == '/') + { + has_slash = 1; + break; + } + if (!has_slash) + { + /* no slashes; search PATH */ + const char *path = getenv ("PATH"); + if (path != NULL) + { + for (p = path; *p; p = p_next) + { + const char *q; + size_t p_len; + for (q = p; *q; q++) + if (IS_PATH_SEPARATOR (*q)) + break; + p_len = (size_t) (q - p); + p_next = (*q == '\0' ? q : q + 1); + if (p_len == 0) + { + /* empty path: current directory */ + if (getcwd (tmp, LT_PATHMAX) == NULL) + lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", + nonnull (strerror (errno))); + tmp_len = strlen (tmp); + concat_name = + XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, tmp, tmp_len); + concat_name[tmp_len] = '/'; + strcpy (concat_name + tmp_len + 1, wrapper); + } + else + { + concat_name = + XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, p, p_len); + concat_name[p_len] = '/'; + strcpy (concat_name + p_len + 1, wrapper); + } + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + } + } + /* not found in PATH; assume curdir */ + } + /* Relative path | not found in path: prepend cwd */ + if (getcwd (tmp, LT_PATHMAX) == NULL) + lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", + nonnull (strerror (errno))); + tmp_len = strlen (tmp); + concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); + memcpy (concat_name, tmp, tmp_len); + concat_name[tmp_len] = '/'; + strcpy (concat_name + tmp_len + 1, wrapper); + + if (check_executable (concat_name)) + return concat_name; + XFREE (concat_name); + return NULL; +} + +char * +chase_symlinks (const char *pathspec) +{ +#ifndef S_ISLNK + return xstrdup (pathspec); +#else + char buf[LT_PATHMAX]; + struct stat s; + char *tmp_pathspec = xstrdup (pathspec); + char *p; + int has_symlinks = 0; + while (strlen (tmp_pathspec) && !has_symlinks) + { + lt_debugprintf (__FILE__, __LINE__, + "checking path component for symlinks: %s\n", + tmp_pathspec); + if (lstat (tmp_pathspec, &s) == 0) + { + if (S_ISLNK (s.st_mode) != 0) + { + has_symlinks = 1; + break; + } + + /* search backwards for last DIR_SEPARATOR */ + p = tmp_pathspec + strlen (tmp_pathspec) - 1; + while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) + p--; + if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) + { + /* no more DIR_SEPARATORS left */ + break; + } + *p = '\0'; + } + else + { + lt_fatal (__FILE__, __LINE__, + "error accessing file \"%s\": %s", + tmp_pathspec, nonnull (strerror (errno))); + } + } + XFREE (tmp_pathspec); + + if (!has_symlinks) + { + return xstrdup (pathspec); + } + + tmp_pathspec = realpath (pathspec, buf); + if (tmp_pathspec == 0) + { + lt_fatal (__FILE__, __LINE__, + "could not follow symlinks for %s", pathspec); + } + return xstrdup (tmp_pathspec); +#endif +} + +char * +strendzap (char *str, const char *pat) +{ + size_t len, patlen; + + assert (str != NULL); + assert (pat != NULL); + + len = strlen (str); + patlen = strlen (pat); + + if (patlen <= len) + { + str += len - patlen; + if (STREQ (str, pat)) + *str = '\0'; + } + return str; +} + +void +lt_debugprintf (const char *file, int line, const char *fmt, ...) +{ + va_list args; + if (lt_debug) + { + (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); + va_start (args, fmt); + (void) vfprintf (stderr, fmt, args); + va_end (args); + } +} + +static void +lt_error_core (int exit_status, const char *file, + int line, const char *mode, + const char *message, va_list ap) +{ + fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); + vfprintf (stderr, message, ap); + fprintf (stderr, ".\n"); + + if (exit_status >= 0) + exit (exit_status); +} + +void +lt_fatal (const char *file, int line, const char *message, ...) +{ + va_list ap; + va_start (ap, message); + lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); + va_end (ap); +} + +static const char * +nonnull (const char *s) +{ + return s ? s : "(null)"; +} + +static const char * +nonempty (const char *s) +{ + return (s && !*s) ? "(empty)" : nonnull (s); +} + +void +lt_setenv (const char *name, const char *value) +{ + lt_debugprintf (__FILE__, __LINE__, + "(lt_setenv) setting '%s' to '%s'\n", + nonnull (name), nonnull (value)); + { +#ifdef HAVE_SETENV + /* always make a copy, for consistency with !HAVE_SETENV */ + char *str = xstrdup (value); + setenv (name, str, 1); +#else + size_t len = strlen (name) + 1 + strlen (value) + 1; + char *str = XMALLOC (char, len); + sprintf (str, "%s=%s", name, value); + if (putenv (str) != EXIT_SUCCESS) + { + XFREE (str); + } +#endif + } +} + +char * +lt_extend_str (const char *orig_value, const char *add, int to_end) +{ + char *new_value; + if (orig_value && *orig_value) + { + size_t orig_value_len = strlen (orig_value); + size_t add_len = strlen (add); + new_value = XMALLOC (char, add_len + orig_value_len + 1); + if (to_end) + { + strcpy (new_value, orig_value); + strcpy (new_value + orig_value_len, add); + } + else + { + strcpy (new_value, add); + strcpy (new_value + add_len, orig_value); + } + } + else + { + new_value = xstrdup (add); + } + return new_value; +} + +void +lt_update_exe_path (const char *name, const char *value) +{ + lt_debugprintf (__FILE__, __LINE__, + "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", + nonnull (name), nonnull (value)); + + if (name && *name && value && *value) + { + char *new_value = lt_extend_str (getenv (name), value, 0); + /* some systems can't cope with a ':'-terminated path #' */ + size_t len = strlen (new_value); + while ((len > 0) && IS_PATH_SEPARATOR (new_value[len-1])) + { + new_value[--len] = '\0'; + } + lt_setenv (name, new_value); + XFREE (new_value); + } +} + +void +lt_update_lib_path (const char *name, const char *value) +{ + lt_debugprintf (__FILE__, __LINE__, + "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", + nonnull (name), nonnull (value)); + + if (name && *name && value && *value) + { + char *new_value = lt_extend_str (getenv (name), value, 0); + lt_setenv (name, new_value); + XFREE (new_value); + } +} + +EOF + case $host_os in + mingw*) + cat <<"EOF" + +/* Prepares an argument vector before calling spawn(). + Note that spawn() does not by itself call the command interpreter + (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : + ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); + GetVersionEx(&v); + v.dwPlatformId == VER_PLATFORM_WIN32_NT; + }) ? "cmd.exe" : "command.com"). + Instead it simply concatenates the arguments, separated by ' ', and calls + CreateProcess(). We must quote the arguments since Win32 CreateProcess() + interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a + special way: + - Space and tab are interpreted as delimiters. They are not treated as + delimiters if they are surrounded by double quotes: "...". + - Unescaped double quotes are removed from the input. Their only effect is + that within double quotes, space and tab are treated like normal + characters. + - Backslashes not followed by double quotes are not special. + - But 2*n+1 backslashes followed by a double quote become + n backslashes followed by a double quote (n >= 0): + \" -> " + \\\" -> \" + \\\\\" -> \\" + */ +#define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" +#define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" +char ** +prepare_spawn (char **argv) +{ + size_t argc; + char **new_argv; + size_t i; + + /* Count number of arguments. */ + for (argc = 0; argv[argc] != NULL; argc++) + ; + + /* Allocate new argument vector. */ + new_argv = XMALLOC (char *, argc + 1); + + /* Put quoted arguments into the new argument vector. */ + for (i = 0; i < argc; i++) + { + const char *string = argv[i]; + + if (string[0] == '\0') + new_argv[i] = xstrdup ("\"\""); + else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) + { + int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); + size_t length; + unsigned int backslashes; + const char *s; + char *quoted_string; + char *p; + + length = 0; + backslashes = 0; + if (quote_around) + length++; + for (s = string; *s != '\0'; s++) + { + char c = *s; + if (c == '"') + length += backslashes + 1; + length++; + if (c == '\\') + backslashes++; + else + backslashes = 0; + } + if (quote_around) + length += backslashes + 1; + + quoted_string = XMALLOC (char, length + 1); + + p = quoted_string; + backslashes = 0; + if (quote_around) + *p++ = '"'; + for (s = string; *s != '\0'; s++) + { + char c = *s; + if (c == '"') + { + unsigned int j; + for (j = backslashes + 1; j > 0; j--) + *p++ = '\\'; + } + *p++ = c; + if (c == '\\') + backslashes++; + else + backslashes = 0; + } + if (quote_around) + { + unsigned int j; + for (j = backslashes; j > 0; j--) + *p++ = '\\'; + *p++ = '"'; + } + *p = '\0'; + + new_argv[i] = quoted_string; + } + else + new_argv[i] = (char *) string; + } + new_argv[argc] = NULL; + + return new_argv; +} +EOF + ;; + esac + + cat <<"EOF" +void lt_dump_script (FILE* f) +{ +EOF + func_emit_wrapper yes | + $SED -n -e ' +s/^\(.\{79\}\)\(..*\)/\1\ +\2/ +h +s/\([\\"]\)/\\\1/g +s/$/\\n/ +s/\([^\n]*\).*/ fputs ("\1", f);/p +g +D' + cat <<"EOF" +} +EOF +} +# end: func_emit_cwrapperexe_src + +# func_win32_import_lib_p ARG +# True if ARG is an import lib, as indicated by $file_magic_cmd +func_win32_import_lib_p () +{ + $debug_cmd + + case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in + *import*) : ;; + *) false ;; + esac +} + +# func_suncc_cstd_abi +# !!ONLY CALL THIS FOR SUN CC AFTER $compile_command IS FULLY EXPANDED!! +# Several compiler flags select an ABI that is incompatible with the +# Cstd library. Avoid specifying it if any are in CXXFLAGS. +func_suncc_cstd_abi () +{ + $debug_cmd + + case " $compile_command " in + *" -compat=g "*|*\ -std=c++[0-9][0-9]\ *|*" -library=stdcxx4 "*|*" -library=stlport4 "*) + suncc_use_cstd_abi=no + ;; + *) + suncc_use_cstd_abi=yes + ;; + esac +} + +# func_mode_link arg... +func_mode_link () +{ + $debug_cmd + + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + # It is impossible to link a dll without this setting, and + # we shouldn't force the makefile maintainer to figure out + # what system we are compiling for in order to pass an extra + # flag for every libtool invocation. + # allow_undefined=no + + # FIXME: Unfortunately, there are problems with the above when trying + # to make a dll that has undefined symbols, in which case not + # even a static library is built. For now, we need to specify + # -no-undefined on the libtool link line when we can be certain + # that all symbols are satisfied, otherwise we get a static library. + allow_undefined=yes + ;; + *-*-linux*) + if test "$link_all_deplibs" = unknown; then + link_all_deplibs=no + fi + ;; + *) + allow_undefined=yes + ;; + esac + libtool_args=$nonopt + base_compile="$nonopt $@" + compile_command=$nonopt + finalize_command=$nonopt + + compile_rpath= + finalize_rpath= + compile_shlibpath= + finalize_shlibpath= + convenience= + old_convenience= + deplibs= + old_deplibs= + compiler_flags= + linker_flags= + dllsearchpath= + lib_search_path=`pwd` + inst_prefix_dir= + new_inherited_linker_flags= + + avoid_version=no + bindir= + dlfiles= + dlprefiles= + dlself=no + export_dynamic=no + export_symbols= + export_symbols_regex= + generated= + libobjs= + ltlibs= + module=no + no_install=no + objs= + os2dllname= + non_pic_objects= + precious_files_regex= + prefer_static_libs=no + preload=false + prev= + prevarg= + release= + rpath= + xrpath= + perm_rpath= + temp_rpath= + thread_safe=no + vinfo= + vinfo_number=no + weak_libs= + single_module=$wl-single_module + func_infer_tag $base_compile + + # We need to know -static, to get the right output filenames. + for arg + do + case $arg in + -shared) + test yes != "$build_libtool_libs" \ + && func_fatal_configuration "cannot build a shared library" + build_old_libs=no + break + ;; + -all-static | -static | -static-libtool-libs) + case $arg in + -all-static) + if test yes = "$build_libtool_libs" && test -z "$link_static_flag"; then + func_warning "complete static linking is impossible in this configuration" + fi + if test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=yes + ;; + -static) + if test -z "$pic_flag" && test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=built + ;; + -static-libtool-libs) + if test -z "$pic_flag" && test -n "$link_static_flag"; then + dlopen_self=$dlopen_self_static + fi + prefer_static_libs=yes + ;; + esac + build_libtool_libs=no + build_old_libs=yes + break + ;; + esac + done + + # See if our shared archives depend on static archives. + test -n "$old_archive_from_new_cmds" && build_old_libs=yes + + # Go through the arguments, transforming them on the way. + while test "$#" -gt 0; do + arg=$1 + shift + func_quote_arg pretty,unquoted "$arg" + qarg=$func_quote_arg_unquoted_result + func_append libtool_args " $func_quote_arg_result" + + # If the previous option needs an argument, assign it. + if test -n "$prev"; then + case $prev in + output) + func_append compile_command " @OUTPUT@" + func_append finalize_command " @OUTPUT@" + ;; + esac + + case $prev in + bindir) + bindir=$arg + prev= + continue + ;; + dlfiles|dlprefiles) + $preload || { + # Add the symbol object into the linking commands. + func_append compile_command " @SYMFILE@" + func_append finalize_command " @SYMFILE@" + preload=: + } + case $arg in + *.la | *.lo) ;; # We handle these cases below. + force) + if test no = "$dlself"; then + dlself=needless + export_dynamic=yes + fi + prev= + continue + ;; + self) + if test dlprefiles = "$prev"; then + dlself=yes + elif test dlfiles = "$prev" && test yes != "$dlopen_self"; then + dlself=yes + else + dlself=needless + export_dynamic=yes + fi + prev= + continue + ;; + *) + if test dlfiles = "$prev"; then + func_append dlfiles " $arg" + else + func_append dlprefiles " $arg" + fi + prev= + continue + ;; + esac + ;; + expsyms) + export_symbols=$arg + test -f "$arg" \ + || func_fatal_error "symbol file '$arg' does not exist" + prev= + continue + ;; + expsyms_regex) + export_symbols_regex=$arg + prev= + continue + ;; + framework) + case $host in + *-*-darwin*) + case "$deplibs " in + *" $qarg.ltframework "*) ;; + *) func_append deplibs " $qarg.ltframework" # this is fixed later + ;; + esac + ;; + esac + prev= + continue + ;; + inst_prefix) + inst_prefix_dir=$arg + prev= + continue + ;; + mllvm) + # Clang does not use LLVM to link, so we can simply discard any + # '-mllvm $arg' options when doing the link step. + prev= + continue + ;; + objectlist) + if test -f "$arg"; then + save_arg=$arg + moreargs= + for fil in `cat "$save_arg"` + do +# func_append moreargs " $fil" + arg=$fil + # A libtool-controlled object. + + # Check to see that this really is a libtool object. + if func_lalib_unsafe_p "$arg"; then + pic_object= + non_pic_object= + + # Read the .lo file + func_source "$arg" + + if test -z "$pic_object" || + test -z "$non_pic_object" || + test none = "$pic_object" && + test none = "$non_pic_object"; then + func_fatal_error "cannot find name of object for '$arg'" + fi + + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir=$func_dirname_result + + if test none != "$pic_object"; then + # Prepend the subdirectory the object is found in. + pic_object=$xdir$pic_object + + if test dlfiles = "$prev"; then + if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then + func_append dlfiles " $pic_object" + prev= + continue + else + # If libtool objects are unsupported, then we need to preload. + prev=dlprefiles + fi + fi + + # CHECK ME: I think I busted this. -Ossama + if test dlprefiles = "$prev"; then + # Preload the old-style object. + func_append dlprefiles " $pic_object" + prev= + fi + + # A PIC object. + func_append libobjs " $pic_object" + arg=$pic_object + fi + + # Non-PIC object. + if test none != "$non_pic_object"; then + # Prepend the subdirectory the object is found in. + non_pic_object=$xdir$non_pic_object + + # A standard non-PIC object + func_append non_pic_objects " $non_pic_object" + if test -z "$pic_object" || test none = "$pic_object"; then + arg=$non_pic_object + fi + else + # If the PIC object exists, use it instead. + # $xdir was prepended to $pic_object above. + non_pic_object=$pic_object + func_append non_pic_objects " $non_pic_object" + fi + else + # Only an error if not doing a dry-run. + if $opt_dry_run; then + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir=$func_dirname_result + + func_lo2o "$arg" + pic_object=$xdir$objdir/$func_lo2o_result + non_pic_object=$xdir$func_lo2o_result + func_append libobjs " $pic_object" + func_append non_pic_objects " $non_pic_object" + else + func_fatal_error "'$arg' is not a valid libtool object" + fi + fi + done + else + func_fatal_error "link input file '$arg' does not exist" + fi + arg=$save_arg + prev= + continue + ;; + os2dllname) + os2dllname=$arg + prev= + continue + ;; + precious_regex) + precious_files_regex=$arg + prev= + continue + ;; + release) + release=-$arg + prev= + continue + ;; + rpath | xrpath) + # We need an absolute path. + case $arg in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + func_fatal_error "only absolute run-paths are allowed" + ;; + esac + func_normal_abspath "$arg" + arg="$func_normal_abspath_result" + if test rpath = "$prev"; then + case "$rpath " in + *" $arg "*) ;; + *) func_append rpath " $arg" ;; + esac + else + case "$xrpath " in + *" $arg "*) ;; + *) func_append xrpath " $arg" ;; + esac + fi + prev= + continue + ;; + shrext) + shrext_cmds=$arg + prev= + continue + ;; + weak) + func_append weak_libs " $arg" + prev= + continue + ;; + xcclinker) + func_append linker_flags " $qarg" + func_append compiler_flags " $qarg" + prev= + func_append compile_command " $qarg" + func_append finalize_command " $qarg" + continue + ;; + xcompiler) + func_append compiler_flags " $qarg" + prev= + func_append compile_command " $qarg" + func_append finalize_command " $qarg" + continue + ;; + xlinker) + func_append linker_flags " $qarg" + func_append compiler_flags " $wl$qarg" + prev= + func_append compile_command " $wl$qarg" + func_append finalize_command " $wl$qarg" + continue + ;; + *) + eval "$prev=\"\$arg\"" + prev= + continue + ;; + esac + fi # test -n "$prev" + + prevarg=$arg + + case $arg in + -all-static) + if test -n "$link_static_flag"; then + # See comment for -static flag below, for more details. + func_append compile_command " $link_static_flag" + func_append finalize_command " $link_static_flag" + fi + continue + ;; + + -allow-undefined) + # FIXME: remove this flag sometime in the future. + func_fatal_error "'-allow-undefined' must not be used because it is the default" + ;; + + -avoid-version) + avoid_version=yes + continue + ;; + + -bindir) + prev=bindir + continue + ;; + + -dlopen) + prev=dlfiles + continue + ;; + + -dlpreopen) + prev=dlprefiles + continue + ;; + + -export-dynamic) + export_dynamic=yes + continue + ;; + + -export-symbols | -export-symbols-regex) + if test -n "$export_symbols" || test -n "$export_symbols_regex"; then + func_fatal_error "more than one -exported-symbols argument is not allowed" + fi + if test X-export-symbols = "X$arg"; then + prev=expsyms + else + prev=expsyms_regex + fi + continue + ;; + + -framework) + prev=framework + continue + ;; + + -inst-prefix-dir) + prev=inst_prefix + continue + ;; + + # The native IRIX linker understands -LANG:*, -LIST:* and -LNO:* + # so, if we see these flags be careful not to treat them like -L + -L[A-Z][A-Z]*:*) + case $with_gcc/$host in + no/*-*-irix* | /*-*-irix*) + func_append compile_command " $arg" + func_append finalize_command " $arg" + ;; + esac + continue + ;; + + -L*) + func_stripname "-L" '' "$arg" + if test -z "$func_stripname_result"; then + if test "$#" -gt 0; then + func_fatal_error "require no space between '-L' and '$1'" + else + func_fatal_error "need path for '-L' option" + fi + fi + func_resolve_sysroot "$func_stripname_result" + dir=$func_resolve_sysroot_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + *) + absdir=`cd "$dir" && pwd` + test -z "$absdir" && \ + func_fatal_error "cannot determine absolute directory name of '$dir'" + dir=$absdir + ;; + esac + case "$deplibs " in + *" -L$dir "* | *" $arg "*) + # Will only happen for absolute or sysroot arguments + ;; + *) + # Preserve sysroot, but never include relative directories + case $dir in + [\\/]* | [A-Za-z]:[\\/]* | =*) func_append deplibs " $arg" ;; + *) func_append deplibs " -L$dir" ;; + esac + func_append lib_search_path " $dir" + ;; + esac + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + testbindir=`$ECHO "$dir" | $SED 's*/lib$*/bin*'` + case :$dllsearchpath: in + *":$dir:"*) ;; + ::) dllsearchpath=$dir;; + *) func_append dllsearchpath ":$dir";; + esac + case :$dllsearchpath: in + *":$testbindir:"*) ;; + ::) dllsearchpath=$testbindir;; + *) func_append dllsearchpath ":$testbindir";; + esac + ;; + esac + continue + ;; + + -l*) + if test X-lc = "X$arg" || test X-lm = "X$arg"; then + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-beos* | *-cegcc* | *-*-haiku*) + # These systems don't actually have a C or math library (as such) + continue + ;; + *-*-os2*) + # These systems don't actually have a C library (as such) + test X-lc = "X$arg" && continue + ;; + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig*) + # Do not include libc due to us having libc/libc_r. + test X-lc = "X$arg" && continue + ;; + *-*-rhapsody* | *-*-darwin1.[012]) + # Rhapsody C and math libraries are in the System framework + func_append deplibs " System.ltframework" + continue + ;; + *-*-sco3.2v5* | *-*-sco5v6*) + # Causes problems with __ctype + test X-lc = "X$arg" && continue + ;; + *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) + # Compiler inserts libc in the correct place for threads to work + test X-lc = "X$arg" && continue + ;; + esac + elif test X-lc_r = "X$arg"; then + case $host in + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* | *-*-bitrig*) + # Do not include libc_r directly, use -pthread flag. + continue + ;; + esac + fi + func_append deplibs " $arg" + continue + ;; + + -mllvm) + prev=mllvm + continue + ;; + + -module) + module=yes + continue + ;; + + # Tru64 UNIX uses -model [arg] to determine the layout of C++ + # classes, name mangling, and exception handling. + # Darwin uses the -arch flag to determine output architecture. + -model|-arch|-isysroot|--sysroot) + func_append compiler_flags " $arg" + func_append compile_command " $arg" + func_append finalize_command " $arg" + prev=xcompiler + continue + ;; + + -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ + |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) + func_append compiler_flags " $arg" + func_append compile_command " $arg" + func_append finalize_command " $arg" + case "$new_inherited_linker_flags " in + *" $arg "*) ;; + * ) func_append new_inherited_linker_flags " $arg" ;; + esac + continue + ;; + + -multi_module) + single_module=$wl-multi_module + continue + ;; + + -no-fast-install) + fast_install=no + continue + ;; + + -no-install) + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-darwin* | *-cegcc*) + # The PATH hackery in wrapper scripts is required on Windows + # and Darwin in order for the loader to find any dlls it needs. + func_warning "'-no-install' is ignored for $host" + func_warning "assuming '-no-fast-install' instead" + fast_install=no + ;; + *) no_install=yes ;; + esac + continue + ;; + + -no-undefined) + allow_undefined=no + continue + ;; + + -objectlist) + prev=objectlist + continue + ;; + + -os2dllname) + prev=os2dllname + continue + ;; + + -o) prev=output ;; + + -precious-files-regex) + prev=precious_regex + continue + ;; + + -release) + prev=release + continue + ;; + + -rpath) + prev=rpath + continue + ;; + + -R) + prev=xrpath + continue + ;; + + -R*) + func_stripname '-R' '' "$arg" + dir=$func_stripname_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) ;; + =*) + func_stripname '=' '' "$dir" + dir=$lt_sysroot$func_stripname_result + ;; + *) + func_fatal_error "only absolute run-paths are allowed" + ;; + esac + case "$xrpath " in + *" $dir "*) ;; + *) func_append xrpath " $dir" ;; + esac + continue + ;; + + -shared) + # The effects of -shared are defined in a previous loop. + continue + ;; + + -shrext) + prev=shrext + continue + ;; + + -static | -static-libtool-libs) + # The effects of -static are defined in a previous loop. + # We used to do the same as -all-static on platforms that + # didn't have a PIC flag, but the assumption that the effects + # would be equivalent was wrong. It would break on at least + # Digital Unix and AIX. + continue + ;; + + -thread-safe) + thread_safe=yes + continue + ;; + + -version-info) + prev=vinfo + continue + ;; + + -version-number) + prev=vinfo + vinfo_number=yes + continue + ;; + + -weak) + prev=weak + continue + ;; + + -Wc,*) + func_stripname '-Wc,' '' "$arg" + args=$func_stripname_result + arg= + save_ifs=$IFS; IFS=, + for flag in $args; do + IFS=$save_ifs + func_quote_arg pretty "$flag" + func_append arg " $func_quote_arg_result" + func_append compiler_flags " $func_quote_arg_result" + done + IFS=$save_ifs + func_stripname ' ' '' "$arg" + arg=$func_stripname_result + ;; + + -Wl,*) + func_stripname '-Wl,' '' "$arg" + args=$func_stripname_result + arg= + save_ifs=$IFS; IFS=, + for flag in $args; do + IFS=$save_ifs + func_quote_arg pretty "$flag" + func_append arg " $wl$func_quote_arg_result" + func_append compiler_flags " $wl$func_quote_arg_result" + func_append linker_flags " $func_quote_arg_result" + done + IFS=$save_ifs + func_stripname ' ' '' "$arg" + arg=$func_stripname_result + ;; + + -Xcompiler) + prev=xcompiler + continue + ;; + + -Xlinker) + prev=xlinker + continue + ;; + + -XCClinker) + prev=xcclinker + continue + ;; + + # -msg_* for osf cc + -msg_*) + func_quote_arg pretty "$arg" + arg=$func_quote_arg_result + ;; + + # Flags to be passed through unchanged, with rationale: + # -64, -mips[0-9] enable 64-bit mode for the SGI compiler + # -r[0-9][0-9]* specify processor for the SGI compiler + # -xarch=*, -xtarget=* enable 64-bit mode for the Sun compiler + # +DA*, +DD* enable 64-bit mode for the HP compiler + # -q* compiler args for the IBM compiler + # -m*, -t[45]*, -txscale* architecture-specific flags for GCC + # -F/path path to uninstalled frameworks, gcc on darwin + # -p, -pg, --coverage, -fprofile-* profiling flags for GCC + # -fstack-protector* stack protector flags for GCC + # @file GCC response files + # -tp=* Portland pgcc target processor selection + # --sysroot=* for sysroot support + # -O*, -g*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization + # -specs=* GCC specs files + # -stdlib=* select c++ std lib with clang + # -fsanitize=* Clang/GCC memory and address sanitizer + # -fuse-ld=* Linker select flags for GCC + -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \ + -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \ + -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*| \ + -specs=*|-fsanitize=*|-fuse-ld=*) + func_quote_arg pretty "$arg" + arg=$func_quote_arg_result + func_append compile_command " $arg" + func_append finalize_command " $arg" + func_append compiler_flags " $arg" + continue + ;; + + -Z*) + if test os2 = "`expr $host : '.*\(os2\)'`"; then + # OS/2 uses -Zxxx to specify OS/2-specific options + compiler_flags="$compiler_flags $arg" + func_append compile_command " $arg" + func_append finalize_command " $arg" + case $arg in + -Zlinker | -Zstack) + prev=xcompiler + ;; + esac + continue + else + # Otherwise treat like 'Some other compiler flag' below + func_quote_arg pretty "$arg" + arg=$func_quote_arg_result + fi + ;; + + # Some other compiler flag. + -* | +*) + func_quote_arg pretty "$arg" + arg=$func_quote_arg_result + ;; + + *.$objext) + # A standard object. + func_append objs " $arg" + ;; + + *.lo) + # A libtool-controlled object. + + # Check to see that this really is a libtool object. + if func_lalib_unsafe_p "$arg"; then + pic_object= + non_pic_object= + + # Read the .lo file + func_source "$arg" + + if test -z "$pic_object" || + test -z "$non_pic_object" || + test none = "$pic_object" && + test none = "$non_pic_object"; then + func_fatal_error "cannot find name of object for '$arg'" + fi + + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir=$func_dirname_result + + test none = "$pic_object" || { + # Prepend the subdirectory the object is found in. + pic_object=$xdir$pic_object + + if test dlfiles = "$prev"; then + if test yes = "$build_libtool_libs" && test yes = "$dlopen_support"; then + func_append dlfiles " $pic_object" + prev= + continue + else + # If libtool objects are unsupported, then we need to preload. + prev=dlprefiles + fi + fi + + # CHECK ME: I think I busted this. -Ossama + if test dlprefiles = "$prev"; then + # Preload the old-style object. + func_append dlprefiles " $pic_object" + prev= + fi + + # A PIC object. + func_append libobjs " $pic_object" + arg=$pic_object + } + + # Non-PIC object. + if test none != "$non_pic_object"; then + # Prepend the subdirectory the object is found in. + non_pic_object=$xdir$non_pic_object + + # A standard non-PIC object + func_append non_pic_objects " $non_pic_object" + if test -z "$pic_object" || test none = "$pic_object"; then + arg=$non_pic_object + fi + else + # If the PIC object exists, use it instead. + # $xdir was prepended to $pic_object above. + non_pic_object=$pic_object + func_append non_pic_objects " $non_pic_object" + fi + else + # Only an error if not doing a dry-run. + if $opt_dry_run; then + # Extract subdirectory from the argument. + func_dirname "$arg" "/" "" + xdir=$func_dirname_result + + func_lo2o "$arg" + pic_object=$xdir$objdir/$func_lo2o_result + non_pic_object=$xdir$func_lo2o_result + func_append libobjs " $pic_object" + func_append non_pic_objects " $non_pic_object" + else + func_fatal_error "'$arg' is not a valid libtool object" + fi + fi + ;; + + *.$libext) + # An archive. + func_append deplibs " $arg" + func_append old_deplibs " $arg" + continue + ;; + + *.la) + # A libtool-controlled library. + + func_resolve_sysroot "$arg" + if test dlfiles = "$prev"; then + # This library was specified with -dlopen. + func_append dlfiles " $func_resolve_sysroot_result" + prev= + elif test dlprefiles = "$prev"; then + # The library was specified with -dlpreopen. + func_append dlprefiles " $func_resolve_sysroot_result" + prev= + else + func_append deplibs " $func_resolve_sysroot_result" + fi + continue + ;; + + # Some other compiler argument. + *) + # Unknown arguments in both finalize_command and compile_command need + # to be aesthetically quoted because they are evaled later. + func_quote_arg pretty "$arg" + arg=$func_quote_arg_result + ;; + esac # arg + + # Now actually substitute the argument into the commands. + if test -n "$arg"; then + func_append compile_command " $arg" + func_append finalize_command " $arg" + fi + done # argument parsing loop + + test -n "$prev" && \ + func_fatal_help "the '$prevarg' option requires an argument" + + if test yes = "$export_dynamic" && test -n "$export_dynamic_flag_spec"; then + eval arg=\"$export_dynamic_flag_spec\" + func_append compile_command " $arg" + func_append finalize_command " $arg" + fi + + oldlibs= + # calculate the name of the file, without its directory + func_basename "$output" + outputname=$func_basename_result + libobjs_save=$libobjs + + if test -n "$shlibpath_var"; then + # get the directories listed in $shlibpath_var + eval shlib_search_path=\`\$ECHO \"\$$shlibpath_var\" \| \$SED \'s/:/ /g\'\` + else + shlib_search_path= + fi + eval sys_lib_search_path=\"$sys_lib_search_path_spec\" + eval sys_lib_dlsearch_path=\"$sys_lib_dlsearch_path_spec\" + + # Definition is injected by LT_CONFIG during libtool generation. + func_munge_path_list sys_lib_dlsearch_path "$LT_SYS_LIBRARY_PATH" + + func_dirname "$output" "/" "" + output_objdir=$func_dirname_result$objdir + func_to_tool_file "$output_objdir/" + tool_output_objdir=$func_to_tool_file_result + # Create the object directory. + func_mkdir_p "$output_objdir" + + # Determine the type of output + case $output in + "") + func_fatal_help "you must specify an output file" + ;; + *.$libext) linkmode=oldlib ;; + *.lo | *.$objext) linkmode=obj ;; + *.la) linkmode=lib ;; + *) linkmode=prog ;; # Anything else should be a program. + esac + + specialdeplibs= + + libs= + # Find all interdependent deplibs by searching for libraries + # that are linked more than once (e.g. -la -lb -la) + for deplib in $deplibs; do + if $opt_preserve_dup_deps; then + case "$libs " in + *" $deplib "*) func_append specialdeplibs " $deplib" ;; + esac + fi + func_append libs " $deplib" + done + + if test lib = "$linkmode"; then + libs="$predeps $libs $compiler_lib_search_path $postdeps" + + # Compute libraries that are listed more than once in $predeps + # $postdeps and mark them as special (i.e., whose duplicates are + # not to be eliminated). + pre_post_deps= + if $opt_duplicate_compiler_generated_deps; then + for pre_post_dep in $predeps $postdeps; do + case "$pre_post_deps " in + *" $pre_post_dep "*) func_append specialdeplibs " $pre_post_deps" ;; + esac + func_append pre_post_deps " $pre_post_dep" + done + fi + pre_post_deps= + fi + + deplibs= + newdependency_libs= + newlib_search_path= + need_relink=no # whether we're linking any uninstalled libtool libraries + notinst_deplibs= # not-installed libtool libraries + notinst_path= # paths that contain not-installed libtool libraries + + case $linkmode in + lib) + passes="conv dlpreopen link" + for file in $dlfiles $dlprefiles; do + case $file in + *.la) ;; + *) + func_fatal_help "libraries can '-dlopen' only libtool libraries: $file" + ;; + esac + done + ;; + prog) + compile_deplibs= + finalize_deplibs= + alldeplibs=false + newdlfiles= + newdlprefiles= + passes="conv scan dlopen dlpreopen link" + ;; + *) passes="conv" + ;; + esac + + for pass in $passes; do + # The preopen pass in lib mode reverses $deplibs; put it back here + # so that -L comes before libs that need it for instance... + if test lib,link = "$linkmode,$pass"; then + ## FIXME: Find the place where the list is rebuilt in the wrong + ## order, and fix it there properly + tmp_deplibs= + for deplib in $deplibs; do + tmp_deplibs="$deplib $tmp_deplibs" + done + deplibs=$tmp_deplibs + fi + + if test lib,link = "$linkmode,$pass" || + test prog,scan = "$linkmode,$pass"; then + libs=$deplibs + deplibs= + fi + if test prog = "$linkmode"; then + case $pass in + dlopen) libs=$dlfiles ;; + dlpreopen) libs=$dlprefiles ;; + link) + libs="$deplibs %DEPLIBS%" + test "X$link_all_deplibs" = Xno || + func_append libs " $dependency_libs" + ;; + esac + fi + if test lib,dlpreopen = "$linkmode,$pass"; then + # Collect and forward deplibs of preopened libtool libs + for lib in $dlprefiles; do + # Ignore non-libtool-libs + dependency_libs= + func_resolve_sysroot "$lib" + case $lib in + *.la) func_source "$func_resolve_sysroot_result" ;; + esac + + # Collect preopened libtool deplibs, except any this library + # has declared as weak libs + for deplib in $dependency_libs; do + func_basename "$deplib" + deplib_base=$func_basename_result + case " $weak_libs " in + *" $deplib_base "*) ;; + *) func_append deplibs " $deplib" ;; + esac + done + done + libs=$dlprefiles + fi + if test dlopen = "$pass"; then + # Collect dlpreopened libraries + save_deplibs=$deplibs + deplibs= + fi + + for deplib in $libs; do + lib= + found=false + case $deplib in + -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe \ + |-threads|-fopenmp|-openmp|-mp|-xopenmp|-omp|-qsmp=*) + if test prog,link = "$linkmode,$pass"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + func_append compiler_flags " $deplib" + if test lib = "$linkmode"; then + case "$new_inherited_linker_flags " in + *" $deplib "*) ;; + * ) func_append new_inherited_linker_flags " $deplib" ;; + esac + fi + fi + continue + ;; + -l*) + if test lib != "$linkmode" && test prog != "$linkmode"; then + func_warning "'-l' is ignored for archives/objects" + continue + fi + func_stripname '-l' '' "$deplib" + name=$func_stripname_result + if test lib = "$linkmode"; then + searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" + else + searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" + fi + for searchdir in $searchdirs; do + for search_ext in .la $std_shrext .so .a; do + # Search the libtool library + lib=$searchdir/lib$name$search_ext + if test -f "$lib"; then + if test .la = "$search_ext"; then + found=: + else + found=false + fi + break 2 + fi + done + done + if $found; then + # deplib is a libtool library + # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, + # We need to do some special things here, and not later. + if test yes = "$allow_libtool_libs_with_static_runtimes"; then + case " $predeps $postdeps " in + *" $deplib "*) + if func_lalib_p "$lib"; then + library_names= + old_library= + func_source "$lib" + for l in $old_library $library_names; do + ll=$l + done + if test "X$ll" = "X$old_library"; then # only static version available + found=false + func_dirname "$lib" "" "." + ladir=$func_dirname_result + lib=$ladir/$old_library + if test prog,link = "$linkmode,$pass"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs" + fi + continue + fi + fi + ;; + *) ;; + esac + fi + else + # deplib doesn't seem to be a libtool library + if test prog,link = "$linkmode,$pass"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + test lib = "$linkmode" && newdependency_libs="$deplib $newdependency_libs" + fi + continue + fi + ;; # -l + *.ltframework) + if test prog,link = "$linkmode,$pass"; then + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + deplibs="$deplib $deplibs" + if test lib = "$linkmode"; then + case "$new_inherited_linker_flags " in + *" $deplib "*) ;; + * ) func_append new_inherited_linker_flags " $deplib" ;; + esac + fi + fi + continue + ;; + -L*) + case $linkmode in + lib) + deplibs="$deplib $deplibs" + test conv = "$pass" && continue + newdependency_libs="$deplib $newdependency_libs" + func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + func_append newlib_search_path " $func_resolve_sysroot_result" + ;; + prog) + if test conv = "$pass"; then + deplibs="$deplib $deplibs" + continue + fi + if test scan = "$pass"; then + deplibs="$deplib $deplibs" + else + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + fi + func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + func_append newlib_search_path " $func_resolve_sysroot_result" + ;; + *) + func_warning "'-L' is ignored for archives/objects" + ;; + esac # linkmode + continue + ;; # -L + -R*) + if test link = "$pass"; then + func_stripname '-R' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + dir=$func_resolve_sysroot_result + # Make sure the xrpath contains only unique directories. + case "$xrpath " in + *" $dir "*) ;; + *) func_append xrpath " $dir" ;; + esac + fi + deplibs="$deplib $deplibs" + continue + ;; + *.la) + func_resolve_sysroot "$deplib" + lib=$func_resolve_sysroot_result + ;; + *.$libext) + if test conv = "$pass"; then + deplibs="$deplib $deplibs" + continue + fi + case $linkmode in + lib) + # Linking convenience modules into shared libraries is allowed, + # but linking other static libraries is non-portable. + case " $dlpreconveniencelibs " in + *" $deplib "*) ;; + *) + valid_a_lib=false + case $deplibs_check_method in + match_pattern*) + set dummy $deplibs_check_method; shift + match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` + if eval "\$ECHO \"$deplib\"" 2>/dev/null | $SED 10q \ + | $EGREP "$match_pattern_regex" > /dev/null; then + valid_a_lib=: + fi + ;; + pass_all) + valid_a_lib=: + ;; + esac + if $valid_a_lib; then + echo + $ECHO "*** Warning: Linking the shared library $output against the" + $ECHO "*** static library $deplib is not portable!" + deplibs="$deplib $deplibs" + else + echo + $ECHO "*** Warning: Trying to link with static lib archive $deplib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have" + echo "*** because the file extensions .$libext of this argument makes me believe" + echo "*** that it is just a static archive that I should not use here." + fi + ;; + esac + continue + ;; + prog) + if test link != "$pass"; then + deplibs="$deplib $deplibs" + else + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + fi + continue + ;; + esac # linkmode + ;; # *.$libext + *.lo | *.$objext) + if test conv = "$pass"; then + deplibs="$deplib $deplibs" + elif test prog = "$linkmode"; then + if test dlpreopen = "$pass" || test yes != "$dlopen_support" || test no = "$build_libtool_libs"; then + # If there is no dlopen support or we're linking statically, + # we need to preload. + func_append newdlprefiles " $deplib" + compile_deplibs="$deplib $compile_deplibs" + finalize_deplibs="$deplib $finalize_deplibs" + else + func_append newdlfiles " $deplib" + fi + fi + continue + ;; + %DEPLIBS%) + alldeplibs=: + continue + ;; + esac # case $deplib + + $found || test -f "$lib" \ + || func_fatal_error "cannot find the library '$lib' or unhandled argument '$deplib'" + + # Check to see that this really is a libtool archive. + func_lalib_unsafe_p "$lib" \ + || func_fatal_error "'$lib' is not a valid libtool archive" + + func_dirname "$lib" "" "." + ladir=$func_dirname_result + + dlname= + dlopen= + dlpreopen= + libdir= + library_names= + old_library= + inherited_linker_flags= + # If the library was installed with an old release of libtool, + # it will not redefine variables installed, or shouldnotlink + installed=yes + shouldnotlink=no + avoidtemprpath= + + + # Read the .la file + func_source "$lib" + + # Convert "-framework foo" to "foo.ltframework" + if test -n "$inherited_linker_flags"; then + tmp_inherited_linker_flags=`$ECHO "$inherited_linker_flags" | $SED 's/-framework \([^ $]*\)/\1.ltframework/g'` + for tmp_inherited_linker_flag in $tmp_inherited_linker_flags; do + case " $new_inherited_linker_flags " in + *" $tmp_inherited_linker_flag "*) ;; + *) func_append new_inherited_linker_flags " $tmp_inherited_linker_flag";; + esac + done + fi + dependency_libs=`$ECHO " $dependency_libs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + if test lib,link = "$linkmode,$pass" || + test prog,scan = "$linkmode,$pass" || + { test prog != "$linkmode" && test lib != "$linkmode"; }; then + test -n "$dlopen" && func_append dlfiles " $dlopen" + test -n "$dlpreopen" && func_append dlprefiles " $dlpreopen" + fi + + if test conv = "$pass"; then + # Only check for convenience libraries + deplibs="$lib $deplibs" + if test -z "$libdir"; then + if test -z "$old_library"; then + func_fatal_error "cannot find name of link library for '$lib'" + fi + # It is a libtool convenience library, so add in its objects. + func_append convenience " $ladir/$objdir/$old_library" + func_append old_convenience " $ladir/$objdir/$old_library" + tmp_libs= + for deplib in $dependency_libs; do + deplibs="$deplib $deplibs" + if $opt_duplicate_deps; then + case "$tmp_libs " in + *" $deplib "*) func_append specialdeplibs " $deplib" ;; + esac + fi + func_append tmp_libs " $deplib" + done + elif test prog != "$linkmode" && test lib != "$linkmode"; then + func_fatal_error "'$lib' is not a convenience library" + fi + continue + fi # $pass = conv + + + # Get the name of the library we link against. + linklib= + if test -n "$old_library" && + { test yes = "$prefer_static_libs" || + test built,no = "$prefer_static_libs,$installed"; }; then + linklib=$old_library + else + for l in $old_library $library_names; do + linklib=$l + done + fi + if test -z "$linklib"; then + func_fatal_error "cannot find name of link library for '$lib'" + fi + + # This library was specified with -dlopen. + if test dlopen = "$pass"; then + test -z "$libdir" \ + && func_fatal_error "cannot -dlopen a convenience library: '$lib'" + if test -z "$dlname" || + test yes != "$dlopen_support" || + test no = "$build_libtool_libs" + then + # If there is no dlname, no dlopen support or we're linking + # statically, we need to preload. We also need to preload any + # dependent libraries so libltdl's deplib preloader doesn't + # bomb out in the load deplibs phase. + func_append dlprefiles " $lib $dependency_libs" + else + func_append newdlfiles " $lib" + fi + continue + fi # $pass = dlopen + + # We need an absolute path. + case $ladir in + [\\/]* | [A-Za-z]:[\\/]*) abs_ladir=$ladir ;; + *) + abs_ladir=`cd "$ladir" && pwd` + if test -z "$abs_ladir"; then + func_warning "cannot determine absolute directory name of '$ladir'" + func_warning "passing it literally to the linker, although it might fail" + abs_ladir=$ladir + fi + ;; + esac + func_basename "$lib" + laname=$func_basename_result + + # Find the relevant object directory and library name. + if test yes = "$installed"; then + if test ! -f "$lt_sysroot$libdir/$linklib" && test -f "$abs_ladir/$linklib"; then + func_warning "library '$lib' was moved." + dir=$ladir + absdir=$abs_ladir + libdir=$abs_ladir + else + dir=$lt_sysroot$libdir + absdir=$lt_sysroot$libdir + fi + test yes = "$hardcode_automatic" && avoidtemprpath=yes + else + if test ! -f "$ladir/$objdir/$linklib" && test -f "$abs_ladir/$linklib"; then + dir=$ladir + absdir=$abs_ladir + # Remove this search path later + func_append notinst_path " $abs_ladir" + else + dir=$ladir/$objdir + absdir=$abs_ladir/$objdir + # Remove this search path later + func_append notinst_path " $abs_ladir" + fi + fi # $installed = yes + func_stripname 'lib' '.la' "$laname" + name=$func_stripname_result + + # This library was specified with -dlpreopen. + if test dlpreopen = "$pass"; then + if test -z "$libdir" && test prog = "$linkmode"; then + func_fatal_error "only libraries may -dlpreopen a convenience library: '$lib'" + fi + case $host in + # special handling for platforms with PE-DLLs. + *cygwin* | *mingw* | *cegcc* ) + # Linker will automatically link against shared library if both + # static and shared are present. Therefore, ensure we extract + # symbols from the import library if a shared library is present + # (otherwise, the dlopen module name will be incorrect). We do + # this by putting the import library name into $newdlprefiles. + # We recover the dlopen module name by 'saving' the la file + # name in a special purpose variable, and (later) extracting the + # dlname from the la file. + if test -n "$dlname"; then + func_tr_sh "$dir/$linklib" + eval "libfile_$func_tr_sh_result=\$abs_ladir/\$laname" + func_append newdlprefiles " $dir/$linklib" + else + func_append newdlprefiles " $dir/$old_library" + # Keep a list of preopened convenience libraries to check + # that they are being used correctly in the link pass. + test -z "$libdir" && \ + func_append dlpreconveniencelibs " $dir/$old_library" + fi + ;; + * ) + # Prefer using a static library (so that no silly _DYNAMIC symbols + # are required to link). + if test -n "$old_library"; then + func_append newdlprefiles " $dir/$old_library" + # Keep a list of preopened convenience libraries to check + # that they are being used correctly in the link pass. + test -z "$libdir" && \ + func_append dlpreconveniencelibs " $dir/$old_library" + # Otherwise, use the dlname, so that lt_dlopen finds it. + elif test -n "$dlname"; then + func_append newdlprefiles " $dir/$dlname" + else + func_append newdlprefiles " $dir/$linklib" + fi + ;; + esac + fi # $pass = dlpreopen + + if test -z "$libdir"; then + # Link the convenience library + if test lib = "$linkmode"; then + deplibs="$dir/$old_library $deplibs" + elif test prog,link = "$linkmode,$pass"; then + compile_deplibs="$dir/$old_library $compile_deplibs" + finalize_deplibs="$dir/$old_library $finalize_deplibs" + else + deplibs="$lib $deplibs" # used for prog,scan pass + fi + continue + fi + + + if test prog = "$linkmode" && test link != "$pass"; then + func_append newlib_search_path " $ladir" + deplibs="$lib $deplibs" + + linkalldeplibs=false + if test no != "$link_all_deplibs" || test -z "$library_names" || + test no = "$build_libtool_libs"; then + linkalldeplibs=: + fi + + tmp_libs= + for deplib in $dependency_libs; do + case $deplib in + -L*) func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result" + func_append newlib_search_path " $func_resolve_sysroot_result" + ;; + esac + # Need to link against all dependency_libs? + if $linkalldeplibs; then + deplibs="$deplib $deplibs" + else + # Need to hardcode shared library paths + # or/and link against static libraries + newdependency_libs="$deplib $newdependency_libs" + fi + if $opt_preserve_dup_deps; then + case "$tmp_libs " in + *" $deplib "*) func_append specialdeplibs " $deplib" ;; + esac + fi + func_append tmp_libs " $deplib" + done # for deplib + continue + fi # $linkmode = prog... + + if test prog,link = "$linkmode,$pass"; then + if test -n "$library_names" && + { { test no = "$prefer_static_libs" || + test built,yes = "$prefer_static_libs,$installed"; } || + test -z "$old_library"; }; then + # We need to hardcode the library path + if test -n "$shlibpath_var" && test -z "$avoidtemprpath"; then + # Make sure the rpath contains only unique directories. + case $temp_rpath: in + *"$absdir:"*) ;; + *) func_append temp_rpath "$absdir:" ;; + esac + fi + + # Hardcode the library path. + # Skip directories that are in the system default run-time + # search path. + case " $sys_lib_dlsearch_path " in + *" $absdir "*) ;; + *) + case "$compile_rpath " in + *" $absdir "*) ;; + *) func_append compile_rpath " $absdir" ;; + esac + ;; + esac + case " $sys_lib_dlsearch_path " in + *" $libdir "*) ;; + *) + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + ;; + esac + fi # $linkmode,$pass = prog,link... + + if $alldeplibs && + { test pass_all = "$deplibs_check_method" || + { test yes = "$build_libtool_libs" && + test -n "$library_names"; }; }; then + # We only need to search for static libraries + continue + fi + fi + + link_static=no # Whether the deplib will be linked statically + use_static_libs=$prefer_static_libs + if test built = "$use_static_libs" && test yes = "$installed"; then + use_static_libs=no + fi + if test -n "$library_names" && + { test no = "$use_static_libs" || test -z "$old_library"; }; then + case $host in + *cygwin* | *mingw* | *cegcc* | *os2*) + # No point in relinking DLLs because paths are not encoded + func_append notinst_deplibs " $lib" + need_relink=no + ;; + *) + if test no = "$installed"; then + func_append notinst_deplibs " $lib" + need_relink=yes + fi + ;; + esac + # This is a shared library + + # Warn about portability, can't link against -module's on some + # systems (darwin). Don't bleat about dlopened modules though! + dlopenmodule= + for dlpremoduletest in $dlprefiles; do + if test "X$dlpremoduletest" = "X$lib"; then + dlopenmodule=$dlpremoduletest + break + fi + done + if test -z "$dlopenmodule" && test yes = "$shouldnotlink" && test link = "$pass"; then + echo + if test prog = "$linkmode"; then + $ECHO "*** Warning: Linking the executable $output against the loadable module" + else + $ECHO "*** Warning: Linking the shared library $output against the loadable module" + fi + $ECHO "*** $linklib is not portable!" + fi + if test lib = "$linkmode" && + test yes = "$hardcode_into_libs"; then + # Hardcode the library path. + # Skip directories that are in the system default run-time + # search path. + case " $sys_lib_dlsearch_path " in + *" $absdir "*) ;; + *) + case "$compile_rpath " in + *" $absdir "*) ;; + *) func_append compile_rpath " $absdir" ;; + esac + ;; + esac + case " $sys_lib_dlsearch_path " in + *" $libdir "*) ;; + *) + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + ;; + esac + fi + + if test -n "$old_archive_from_expsyms_cmds"; then + # figure out the soname + set dummy $library_names + shift + realname=$1 + shift + libname=`eval "\\$ECHO \"$libname_spec\""` + # use dlname if we got it. it's perfectly good, no? + if test -n "$dlname"; then + soname=$dlname + elif test -n "$soname_spec"; then + # bleh windows + case $host in + *cygwin* | mingw* | *cegcc* | *os2*) + func_arith $current - $age + major=$func_arith_result + versuffix=-$major + ;; + esac + eval soname=\"$soname_spec\" + else + soname=$realname + fi + + # Make a new name for the extract_expsyms_cmds to use + soroot=$soname + func_basename "$soroot" + soname=$func_basename_result + func_stripname 'lib' '.dll' "$soname" + newlib=libimp-$func_stripname_result.a + + # If the library has no export list, then create one now + if test -f "$output_objdir/$soname-def"; then : + else + func_verbose "extracting exported symbol list from '$soname'" + func_execute_cmds "$extract_expsyms_cmds" 'exit $?' + fi + + # Create $newlib + if test -f "$output_objdir/$newlib"; then :; else + func_verbose "generating import library for '$soname'" + func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' + fi + # make sure the library variables are pointing to the new library + dir=$output_objdir + linklib=$newlib + fi # test -n "$old_archive_from_expsyms_cmds" + + if test prog = "$linkmode" || test relink != "$opt_mode"; then + add_shlibpath= + add_dir= + add= + lib_linked=yes + case $hardcode_action in + immediate | unsupported) + if test no = "$hardcode_direct"; then + add=$dir/$linklib + case $host in + *-*-sco3.2v5.0.[024]*) add_dir=-L$dir ;; + *-*-sysv4*uw2*) add_dir=-L$dir ;; + *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ + *-*-unixware7*) add_dir=-L$dir ;; + *-*-darwin* ) + # if the lib is a (non-dlopened) module then we cannot + # link against it, someone is ignoring the earlier warnings + if /usr/bin/file -L $add 2> /dev/null | + $GREP ": [^:]* bundle" >/dev/null; then + if test "X$dlopenmodule" != "X$lib"; then + $ECHO "*** Warning: lib $linklib is a module, not a shared library" + if test -z "$old_library"; then + echo + echo "*** And there doesn't seem to be a static archive available" + echo "*** The link will probably fail, sorry" + else + add=$dir/$old_library + fi + elif test -n "$old_library"; then + add=$dir/$old_library + fi + fi + esac + elif test no = "$hardcode_minus_L"; then + case $host in + *-*-sunos*) add_shlibpath=$dir ;; + esac + add_dir=-L$dir + add=-l$name + elif test no = "$hardcode_shlibpath_var"; then + add_shlibpath=$dir + add=-l$name + else + lib_linked=no + fi + ;; + relink) + if test yes = "$hardcode_direct" && + test no = "$hardcode_direct_absolute"; then + add=$dir/$linklib + elif test yes = "$hardcode_minus_L"; then + add_dir=-L$absdir + # Try looking first in the location we're being installed to. + if test -n "$inst_prefix_dir"; then + case $libdir in + [\\/]*) + func_append add_dir " -L$inst_prefix_dir$libdir" + ;; + esac + fi + add=-l$name + elif test yes = "$hardcode_shlibpath_var"; then + add_shlibpath=$dir + add=-l$name + else + lib_linked=no + fi + ;; + *) lib_linked=no ;; + esac + + if test yes != "$lib_linked"; then + func_fatal_configuration "unsupported hardcode properties" + fi + + if test -n "$add_shlibpath"; then + case :$compile_shlibpath: in + *":$add_shlibpath:"*) ;; + *) func_append compile_shlibpath "$add_shlibpath:" ;; + esac + fi + if test prog = "$linkmode"; then + test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" + test -n "$add" && compile_deplibs="$add $compile_deplibs" + else + test -n "$add_dir" && deplibs="$add_dir $deplibs" + test -n "$add" && deplibs="$add $deplibs" + if test yes != "$hardcode_direct" && + test yes != "$hardcode_minus_L" && + test yes = "$hardcode_shlibpath_var"; then + case :$finalize_shlibpath: in + *":$libdir:"*) ;; + *) func_append finalize_shlibpath "$libdir:" ;; + esac + fi + fi + fi + + if test prog = "$linkmode" || test relink = "$opt_mode"; then + add_shlibpath= + add_dir= + add= + # Finalize command for both is simple: just hardcode it. + if test yes = "$hardcode_direct" && + test no = "$hardcode_direct_absolute"; then + add=$libdir/$linklib + elif test yes = "$hardcode_minus_L"; then + add_dir=-L$libdir + add=-l$name + elif test yes = "$hardcode_shlibpath_var"; then + case :$finalize_shlibpath: in + *":$libdir:"*) ;; + *) func_append finalize_shlibpath "$libdir:" ;; + esac + add=-l$name + elif test yes = "$hardcode_automatic"; then + if test -n "$inst_prefix_dir" && + test -f "$inst_prefix_dir$libdir/$linklib"; then + add=$inst_prefix_dir$libdir/$linklib + else + add=$libdir/$linklib + fi + else + # We cannot seem to hardcode it, guess we'll fake it. + add_dir=-L$libdir + # Try looking first in the location we're being installed to. + if test -n "$inst_prefix_dir"; then + case $libdir in + [\\/]*) + func_append add_dir " -L$inst_prefix_dir$libdir" + ;; + esac + fi + add=-l$name + fi + + if test prog = "$linkmode"; then + test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" + test -n "$add" && finalize_deplibs="$add $finalize_deplibs" + else + test -n "$add_dir" && deplibs="$add_dir $deplibs" + test -n "$add" && deplibs="$add $deplibs" + fi + fi + elif test prog = "$linkmode"; then + # Here we assume that one of hardcode_direct or hardcode_minus_L + # is not unsupported. This is valid on all known static and + # shared platforms. + if test unsupported != "$hardcode_direct"; then + test -n "$old_library" && linklib=$old_library + compile_deplibs="$dir/$linklib $compile_deplibs" + finalize_deplibs="$dir/$linklib $finalize_deplibs" + else + compile_deplibs="-l$name -L$dir $compile_deplibs" + finalize_deplibs="-l$name -L$dir $finalize_deplibs" + fi + elif test yes = "$build_libtool_libs"; then + # Not a shared library + if test pass_all != "$deplibs_check_method"; then + # We're trying link a shared library against a static one + # but the system doesn't support it. + + # Just print a warning and add the library to dependency_libs so + # that the program can be linked against the static library. + echo + $ECHO "*** Warning: This system cannot link to static lib archive $lib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have." + if test yes = "$module"; then + echo "*** But as you try to build a module library, libtool will still create " + echo "*** a static module, that should work as long as the dlopening application" + echo "*** is linked with the -dlopen flag to resolve symbols at runtime." + if test -z "$global_symbol_pipe"; then + echo + echo "*** However, this would only work if libtool was able to extract symbol" + echo "*** lists from a program, using 'nm' or equivalent, but libtool could" + echo "*** not find such a program. So, this module is probably useless." + echo "*** 'nm' from GNU binutils and a full rebuild may help." + fi + if test no = "$build_old_libs"; then + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + fi + else + deplibs="$dir/$old_library $deplibs" + link_static=yes + fi + fi # link shared/static library? + + if test lib = "$linkmode"; then + if test -n "$dependency_libs" && + { test yes != "$hardcode_into_libs" || + test yes = "$build_old_libs" || + test yes = "$link_static"; }; then + # Extract -R from dependency_libs + temp_deplibs= + for libdir in $dependency_libs; do + case $libdir in + -R*) func_stripname '-R' '' "$libdir" + temp_xrpath=$func_stripname_result + case " $xrpath " in + *" $temp_xrpath "*) ;; + *) func_append xrpath " $temp_xrpath";; + esac;; + *) func_append temp_deplibs " $libdir";; + esac + done + dependency_libs=$temp_deplibs + fi + + func_append newlib_search_path " $absdir" + # Link against this library + test no = "$link_static" && newdependency_libs="$abs_ladir/$laname $newdependency_libs" + # ... and its dependency_libs + tmp_libs= + for deplib in $dependency_libs; do + newdependency_libs="$deplib $newdependency_libs" + case $deplib in + -L*) func_stripname '-L' '' "$deplib" + func_resolve_sysroot "$func_stripname_result";; + *) func_resolve_sysroot "$deplib" ;; + esac + if $opt_preserve_dup_deps; then + case "$tmp_libs " in + *" $func_resolve_sysroot_result "*) + func_append specialdeplibs " $func_resolve_sysroot_result" ;; + esac + fi + func_append tmp_libs " $func_resolve_sysroot_result" + done + + if test no != "$link_all_deplibs"; then + # Add the search paths of all dependency libraries + for deplib in $dependency_libs; do + path= + case $deplib in + -L*) path=$deplib ;; + *.la) + func_resolve_sysroot "$deplib" + deplib=$func_resolve_sysroot_result + func_dirname "$deplib" "" "." + dir=$func_dirname_result + # We need an absolute path. + case $dir in + [\\/]* | [A-Za-z]:[\\/]*) absdir=$dir ;; + *) + absdir=`cd "$dir" && pwd` + if test -z "$absdir"; then + func_warning "cannot determine absolute directory name of '$dir'" + absdir=$dir + fi + ;; + esac + if $GREP "^installed=no" $deplib > /dev/null; then + case $host in + *-*-darwin*) + depdepl= + eval deplibrary_names=`$SED -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` + if test -n "$deplibrary_names"; then + for tmp in $deplibrary_names; do + depdepl=$tmp + done + if test -f "$absdir/$objdir/$depdepl"; then + depdepl=$absdir/$objdir/$depdepl + darwin_install_name=`$OTOOL -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` + if test -z "$darwin_install_name"; then + darwin_install_name=`$OTOOL64 -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` + fi + func_append compiler_flags " $wl-dylib_file $wl$darwin_install_name:$depdepl" + func_append linker_flags " -dylib_file $darwin_install_name:$depdepl" + path= + fi + fi + ;; + *) + path=-L$absdir/$objdir + ;; + esac + else + eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` + test -z "$libdir" && \ + func_fatal_error "'$deplib' is not a valid libtool archive" + test "$absdir" != "$libdir" && \ + func_warning "'$deplib' seems to be moved" + + path=-L$absdir + fi + ;; + esac + case " $deplibs " in + *" $path "*) ;; + *) deplibs="$path $deplibs" ;; + esac + done + fi # link_all_deplibs != no + fi # linkmode = lib + done # for deplib in $libs + if test link = "$pass"; then + if test prog = "$linkmode"; then + compile_deplibs="$new_inherited_linker_flags $compile_deplibs" + finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" + else + compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + fi + fi + dependency_libs=$newdependency_libs + if test dlpreopen = "$pass"; then + # Link the dlpreopened libraries before other libraries + for deplib in $save_deplibs; do + deplibs="$deplib $deplibs" + done + fi + if test dlopen != "$pass"; then + test conv = "$pass" || { + # Make sure lib_search_path contains only unique directories. + lib_search_path= + for dir in $newlib_search_path; do + case "$lib_search_path " in + *" $dir "*) ;; + *) func_append lib_search_path " $dir" ;; + esac + done + newlib_search_path= + } + + if test prog,link = "$linkmode,$pass"; then + vars="compile_deplibs finalize_deplibs" + else + vars=deplibs + fi + for var in $vars dependency_libs; do + # Add libraries to $var in reverse order + eval tmp_libs=\"\$$var\" + new_libs= + for deplib in $tmp_libs; do + # FIXME: Pedantically, this is the right thing to do, so + # that some nasty dependency loop isn't accidentally + # broken: + #new_libs="$deplib $new_libs" + # Pragmatically, this seems to cause very few problems in + # practice: + case $deplib in + -L*) new_libs="$deplib $new_libs" ;; + -R*) ;; + *) + # And here is the reason: when a library appears more + # than once as an explicit dependence of a library, or + # is implicitly linked in more than once by the + # compiler, it is considered special, and multiple + # occurrences thereof are not removed. Compare this + # with having the same library being listed as a + # dependency of multiple other libraries: in this case, + # we know (pedantically, we assume) the library does not + # need to be listed more than once, so we keep only the + # last copy. This is not always right, but it is rare + # enough that we require users that really mean to play + # such unportable linking tricks to link the library + # using -Wl,-lname, so that libtool does not consider it + # for duplicate removal. + case " $specialdeplibs " in + *" $deplib "*) new_libs="$deplib $new_libs" ;; + *) + case " $new_libs " in + *" $deplib "*) ;; + *) new_libs="$deplib $new_libs" ;; + esac + ;; + esac + ;; + esac + done + tmp_libs= + for deplib in $new_libs; do + case $deplib in + -L*) + case " $tmp_libs " in + *" $deplib "*) ;; + *) func_append tmp_libs " $deplib" ;; + esac + ;; + *) func_append tmp_libs " $deplib" ;; + esac + done + eval $var=\"$tmp_libs\" + done # for var + fi + + # Add Sun CC postdeps if required: + test CXX = "$tagname" && { + case $host_os in + linux*) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) # Sun C++ 5.9 + func_suncc_cstd_abi + + if test no != "$suncc_use_cstd_abi"; then + func_append postdeps ' -library=Cstd -library=Crun' + fi + ;; + esac + ;; + + solaris*) + func_cc_basename "$CC" + case $func_cc_basename_result in + CC* | sunCC*) + func_suncc_cstd_abi + + if test no != "$suncc_use_cstd_abi"; then + func_append postdeps ' -library=Cstd -library=Crun' + fi + ;; + esac + ;; + esac + } + + # Last step: remove runtime libs from dependency_libs + # (they stay in deplibs) + tmp_libs= + for i in $dependency_libs; do + case " $predeps $postdeps $compiler_lib_search_path " in + *" $i "*) + i= + ;; + esac + if test -n "$i"; then + func_append tmp_libs " $i" + fi + done + dependency_libs=$tmp_libs + done # for pass + if test prog = "$linkmode"; then + dlfiles=$newdlfiles + fi + if test prog = "$linkmode" || test lib = "$linkmode"; then + dlprefiles=$newdlprefiles + fi + + case $linkmode in + oldlib) + if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then + func_warning "'-dlopen' is ignored for archives" + fi + + case " $deplibs" in + *\ -l* | *\ -L*) + func_warning "'-l' and '-L' are ignored for archives" ;; + esac + + test -n "$rpath" && \ + func_warning "'-rpath' is ignored for archives" + + test -n "$xrpath" && \ + func_warning "'-R' is ignored for archives" + + test -n "$vinfo" && \ + func_warning "'-version-info/-version-number' is ignored for archives" + + test -n "$release" && \ + func_warning "'-release' is ignored for archives" + + test -n "$export_symbols$export_symbols_regex" && \ + func_warning "'-export-symbols' is ignored for archives" + + # Now set the variables for building old libraries. + build_libtool_libs=no + oldlibs=$output + func_append objs "$old_deplibs" + ;; + + lib) + # Make sure we only generate libraries of the form 'libNAME.la'. + case $outputname in + lib*) + func_stripname 'lib' '.la' "$outputname" + name=$func_stripname_result + eval shared_ext=\"$shrext_cmds\" + eval libname=\"$libname_spec\" + ;; + *) + test no = "$module" \ + && func_fatal_help "libtool library '$output' must begin with 'lib'" + + if test no != "$need_lib_prefix"; then + # Add the "lib" prefix for modules if required + func_stripname '' '.la' "$outputname" + name=$func_stripname_result + eval shared_ext=\"$shrext_cmds\" + eval libname=\"$libname_spec\" + else + func_stripname '' '.la' "$outputname" + libname=$func_stripname_result + fi + ;; + esac + + if test -n "$objs"; then + if test pass_all != "$deplibs_check_method"; then + func_fatal_error "cannot build libtool library '$output' from non-libtool objects on this host:$objs" + else + echo + $ECHO "*** Warning: Linking the shared library $output against the non-libtool" + $ECHO "*** objects $objs is not portable!" + func_append libobjs " $objs" + fi + fi + + test no = "$dlself" \ + || func_warning "'-dlopen self' is ignored for libtool libraries" + + set dummy $rpath + shift + test 1 -lt "$#" \ + && func_warning "ignoring multiple '-rpath's for a libtool library" + + install_libdir=$1 + + oldlibs= + if test -z "$rpath"; then + if test yes = "$build_libtool_libs"; then + # Building a libtool convenience library. + # Some compilers have problems with a '.al' extension so + # convenience libraries should have the same extension an + # archive normally would. + oldlibs="$output_objdir/$libname.$libext $oldlibs" + build_libtool_libs=convenience + build_old_libs=yes + fi + + test -n "$vinfo" && \ + func_warning "'-version-info/-version-number' is ignored for convenience libraries" + + test -n "$release" && \ + func_warning "'-release' is ignored for convenience libraries" + else + + # Parse the version information argument. + save_ifs=$IFS; IFS=: + set dummy $vinfo 0 0 0 + shift + IFS=$save_ifs + + test -n "$7" && \ + func_fatal_help "too many parameters to '-version-info'" + + # convert absolute version numbers to libtool ages + # this retains compatibility with .la files and attempts + # to make the code below a bit more comprehensible + + case $vinfo_number in + yes) + number_major=$1 + number_minor=$2 + number_revision=$3 + # + # There are really only two kinds -- those that + # use the current revision as the major version + # and those that subtract age and use age as + # a minor version. But, then there is irix + # that has an extra 1 added just for fun + # + case $version_type in + # correct linux to gnu/linux during the next big refactor + darwin|freebsd-elf|linux|osf|windows|none) + func_arith $number_major + $number_minor + current=$func_arith_result + age=$number_minor + revision=$number_revision + ;; + freebsd-aout|qnx|sunos) + current=$number_major + revision=$number_minor + age=0 + ;; + irix|nonstopux) + func_arith $number_major + $number_minor + current=$func_arith_result + age=$number_minor + revision=$number_minor + lt_irix_increment=no + ;; + *) + func_fatal_configuration "$modename: unknown library version type \`$version_type'" + ;; + esac + ;; + no) + current=$1 + revision=$2 + age=$3 + ;; + esac + + # Check that each of the things are valid numbers. + case $current in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "CURRENT '$current' must be a nonnegative integer" + func_fatal_error "'$vinfo' is not valid version information" + ;; + esac + + case $revision in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "REVISION '$revision' must be a nonnegative integer" + func_fatal_error "'$vinfo' is not valid version information" + ;; + esac + + case $age in + 0|[1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-9][0-9][0-9][0-9]|[1-9][0-9][0-9][0-9][0-9]) ;; + *) + func_error "AGE '$age' must be a nonnegative integer" + func_fatal_error "'$vinfo' is not valid version information" + ;; + esac + + if test "$age" -gt "$current"; then + func_error "AGE '$age' is greater than the current interface number '$current'" + func_fatal_error "'$vinfo' is not valid version information" + fi + + # Calculate the version variables. + major= + versuffix= + verstring= + case $version_type in + none) ;; + + darwin) + # Like Linux, but with the current version available in + # verstring for coding it into the library header + func_arith $current - $age + major=.$func_arith_result + versuffix=$major.$age.$revision + # Darwin ld doesn't like 0 for these options... + func_arith $current + 1 + minor_current=$func_arith_result + xlcverstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision" + verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" + # On Darwin other compilers + case $CC in + nagfor*) + verstring="$wl-compatibility_version $wl$minor_current $wl-current_version $wl$minor_current.$revision" + ;; + *) + verstring="-compatibility_version $minor_current -current_version $minor_current.$revision" + ;; + esac + ;; + + freebsd-aout) + major=.$current + versuffix=.$current.$revision + ;; + + freebsd-elf) + func_arith $current - $age + major=.$func_arith_result + versuffix=$major.$age.$revision + ;; + + irix | nonstopux) + if test no = "$lt_irix_increment"; then + func_arith $current - $age + else + func_arith $current - $age + 1 + fi + major=$func_arith_result + + case $version_type in + nonstopux) verstring_prefix=nonstopux ;; + *) verstring_prefix=sgi ;; + esac + verstring=$verstring_prefix$major.$revision + + # Add in all the interfaces that we are compatible with. + loop=$revision + while test 0 -ne "$loop"; do + func_arith $revision - $loop + iface=$func_arith_result + func_arith $loop - 1 + loop=$func_arith_result + verstring=$verstring_prefix$major.$iface:$verstring + done + + # Before this point, $major must not contain '.'. + major=.$major + versuffix=$major.$revision + ;; + + linux) # correct to gnu/linux during the next big refactor + func_arith $current - $age + major=.$func_arith_result + versuffix=$major.$age.$revision + ;; + + osf) + func_arith $current - $age + major=.$func_arith_result + versuffix=.$current.$age.$revision + verstring=$current.$age.$revision + + # Add in all the interfaces that we are compatible with. + loop=$age + while test 0 -ne "$loop"; do + func_arith $current - $loop + iface=$func_arith_result + func_arith $loop - 1 + loop=$func_arith_result + verstring=$verstring:$iface.0 + done + + # Make executables depend on our current version. + func_append verstring ":$current.0" + ;; + + qnx) + major=.$current + versuffix=.$current + ;; + + sco) + major=.$current + versuffix=.$current + ;; + + sunos) + major=.$current + versuffix=.$current.$revision + ;; + + windows) + # Use '-' rather than '.', since we only want one + # extension on DOS 8.3 file systems. + func_arith $current - $age + major=$func_arith_result + versuffix=-$major + ;; + + *) + func_fatal_configuration "unknown library version type '$version_type'" + ;; + esac + + # Clear the version info if we defaulted, and they specified a release. + if test -z "$vinfo" && test -n "$release"; then + major= + case $version_type in + darwin) + # we can't check for "0.0" in archive_cmds due to quoting + # problems, so we reset it completely + verstring= + ;; + *) + verstring=0.0 + ;; + esac + if test no = "$need_version"; then + versuffix= + else + versuffix=.0.0 + fi + fi + + # Remove version info from name if versioning should be avoided + if test yes,no = "$avoid_version,$need_version"; then + major= + versuffix= + verstring= + fi + + # Check to see if the archive will have undefined symbols. + if test yes = "$allow_undefined"; then + if test unsupported = "$allow_undefined_flag"; then + if test yes = "$build_old_libs"; then + func_warning "undefined symbols not allowed in $host shared libraries; building static only" + build_libtool_libs=no + else + func_fatal_error "can't build $host shared library unless -no-undefined is specified" + fi + fi + else + # Don't allow undefined symbols. + allow_undefined_flag=$no_undefined_flag + fi + + fi + + func_generate_dlsyms "$libname" "$libname" : + func_append libobjs " $symfileobj" + test " " = "$libobjs" && libobjs= + + if test relink != "$opt_mode"; then + # Remove our outputs, but don't remove object files since they + # may have been created when compiling PIC objects. + removelist= + tempremovelist=`$ECHO "$output_objdir/*"` + for p in $tempremovelist; do + case $p in + *.$objext | *.gcno) + ;; + $output_objdir/$outputname | $output_objdir/$libname.* | $output_objdir/$libname$release.*) + if test -n "$precious_files_regex"; then + if $ECHO "$p" | $EGREP -e "$precious_files_regex" >/dev/null 2>&1 + then + continue + fi + fi + func_append removelist " $p" + ;; + *) ;; + esac + done + test -n "$removelist" && \ + func_show_eval "${RM}r \$removelist" + fi + + # Now set the variables for building old libraries. + if test yes = "$build_old_libs" && test convenience != "$build_libtool_libs"; then + func_append oldlibs " $output_objdir/$libname.$libext" + + # Transform .lo files to .o files. + oldobjs="$objs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; $lo2o" | $NL2SP` + fi + + # Eliminate all temporary directories. + #for path in $notinst_path; do + # lib_search_path=`$ECHO "$lib_search_path " | $SED "s% $path % %g"` + # deplibs=`$ECHO "$deplibs " | $SED "s% -L$path % %g"` + # dependency_libs=`$ECHO "$dependency_libs " | $SED "s% -L$path % %g"` + #done + + if test -n "$xrpath"; then + # If the user specified any rpath flags, then add them. + temp_xrpath= + for libdir in $xrpath; do + # Skip directories that are in the system default run-time search path. + case " $sys_lib_dlsearch_path " in + *" $libdir "*) continue ;; + esac + func_replace_sysroot "$libdir" + func_append temp_xrpath " -R$func_replace_sysroot_result" + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + done + if test yes != "$hardcode_into_libs" || test yes = "$build_old_libs"; then + dependency_libs="$temp_xrpath $dependency_libs" + fi + fi + + # Make sure dlfiles contains only unique files that won't be dlpreopened + old_dlfiles=$dlfiles + dlfiles= + for lib in $old_dlfiles; do + case " $dlprefiles $dlfiles " in + *" $lib "*) ;; + *) func_append dlfiles " $lib" ;; + esac + done + + # Make sure dlprefiles contains only unique files + old_dlprefiles=$dlprefiles + dlprefiles= + for lib in $old_dlprefiles; do + case "$dlprefiles " in + *" $lib "*) ;; + *) func_append dlprefiles " $lib" ;; + esac + done + + if test yes = "$build_libtool_libs"; then + if test -n "$rpath"; then + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-*-beos* | *-cegcc* | *-*-haiku*) + # these systems don't actually have a c library (as such)! + ;; + *-*-rhapsody* | *-*-darwin1.[012]) + # Rhapsody C library is in the System framework + func_append deplibs " System.ltframework" + ;; + *-*-netbsd*) + # Don't link with libc until the a.out ld.so is fixed. + ;; + *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) + # Do not include libc due to us having libc/libc_r. + ;; + *-*-sco3.2v5* | *-*-sco5v6*) + # Causes problems with __ctype + ;; + *-*-sysv4.2uw2* | *-*-sysv5* | *-*-unixware* | *-*-OpenUNIX*) + # Compiler inserts libc in the correct place for threads to work + ;; + *) + # Add libc to deplibs on all other systems if necessary. + if test yes = "$build_libtool_need_lc"; then + func_append deplibs " -lc" + fi + ;; + esac + fi + + # Transform deplibs into only deplibs that can be linked in shared. + name_save=$name + libname_save=$libname + release_save=$release + versuffix_save=$versuffix + major_save=$major + # I'm not sure if I'm treating the release correctly. I think + # release should show up in the -l (ie -lgmp5) so we don't want to + # add it in twice. Is that correct? + release= + versuffix= + major= + newdeplibs= + droppeddeps=no + case $deplibs_check_method in + pass_all) + # Don't check for shared/static. Everything works. + # This might be a little naive. We might want to check + # whether the library exists or not. But this is on + # osf3 & osf4 and I'm not really sure... Just + # implementing what was already the behavior. + newdeplibs=$deplibs + ;; + test_compile) + # This code stresses the "libraries are programs" paradigm to its + # limits. Maybe even breaks it. We compile a program, linking it + # against the deplibs as a proxy for the library. Then we can check + # whether they linked in statically or dynamically with ldd. + $opt_dry_run || $RM conftest.c + cat > conftest.c </dev/null` + $nocaseglob + else + potential_libs=`ls $i/$libnameglob[.-]* 2>/dev/null` + fi + for potent_lib in $potential_libs; do + # Follow soft links. + if ls -lLd "$potent_lib" 2>/dev/null | + $GREP " -> " >/dev/null; then + continue + fi + # The statement above tries to avoid entering an + # endless loop below, in case of cyclic links. + # We might still enter an endless loop, since a link + # loop can be closed while we follow links, + # but so what? + potlib=$potent_lib + while test -h "$potlib" 2>/dev/null; do + potliblink=`ls -ld $potlib | $SED 's/.* -> //'` + case $potliblink in + [\\/]* | [A-Za-z]:[\\/]*) potlib=$potliblink;; + *) potlib=`$ECHO "$potlib" | $SED 's|[^/]*$||'`"$potliblink";; + esac + done + if eval $file_magic_cmd \"\$potlib\" 2>/dev/null | + $SED -e 10q | + $EGREP "$file_magic_regex" > /dev/null; then + func_append newdeplibs " $a_deplib" + a_deplib= + break 2 + fi + done + done + fi + if test -n "$a_deplib"; then + droppeddeps=yes + echo + $ECHO "*** Warning: linker path does not have real file for library $a_deplib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have" + echo "*** because I did check the linker path looking for a file starting" + if test -z "$potlib"; then + $ECHO "*** with $libname but no candidates were found. (...for file magic test)" + else + $ECHO "*** with $libname and none of the candidates passed a file format test" + $ECHO "*** using a file magic. Last file checked: $potlib" + fi + fi + ;; + *) + # Add a -L argument. + func_append newdeplibs " $a_deplib" + ;; + esac + done # Gone through all deplibs. + ;; + match_pattern*) + set dummy $deplibs_check_method; shift + match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` + for a_deplib in $deplibs; do + case $a_deplib in + -l*) + func_stripname -l '' "$a_deplib" + name=$func_stripname_result + if test yes = "$allow_libtool_libs_with_static_runtimes"; then + case " $predeps $postdeps " in + *" $a_deplib "*) + func_append newdeplibs " $a_deplib" + a_deplib= + ;; + esac + fi + if test -n "$a_deplib"; then + libname=`eval "\\$ECHO \"$libname_spec\""` + for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do + potential_libs=`ls $i/$libname[.-]* 2>/dev/null` + for potent_lib in $potential_libs; do + potlib=$potent_lib # see symlink-check above in file_magic test + if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \ + $EGREP "$match_pattern_regex" > /dev/null; then + func_append newdeplibs " $a_deplib" + a_deplib= + break 2 + fi + done + done + fi + if test -n "$a_deplib"; then + droppeddeps=yes + echo + $ECHO "*** Warning: linker path does not have real file for library $a_deplib." + echo "*** I have the capability to make that library automatically link in when" + echo "*** you link to this library. But I can only do this if you have a" + echo "*** shared version of the library, which you do not appear to have" + echo "*** because I did check the linker path looking for a file starting" + if test -z "$potlib"; then + $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" + else + $ECHO "*** with $libname and none of the candidates passed a file format test" + $ECHO "*** using a regex pattern. Last file checked: $potlib" + fi + fi + ;; + *) + # Add a -L argument. + func_append newdeplibs " $a_deplib" + ;; + esac + done # Gone through all deplibs. + ;; + none | unknown | *) + newdeplibs= + tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'` + if test yes = "$allow_libtool_libs_with_static_runtimes"; then + for i in $predeps $postdeps; do + # can't use Xsed below, because $i might contain '/' + tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s|$i||"` + done + fi + case $tmp_deplibs in + *[!\ \ ]*) + echo + if test none = "$deplibs_check_method"; then + echo "*** Warning: inter-library dependencies are not supported in this platform." + else + echo "*** Warning: inter-library dependencies are not known to be supported." + fi + echo "*** All declared inter-library dependencies are being dropped." + droppeddeps=yes + ;; + esac + ;; + esac + versuffix=$versuffix_save + major=$major_save + release=$release_save + libname=$libname_save + name=$name_save + + case $host in + *-*-rhapsody* | *-*-darwin1.[012]) + # On Rhapsody replace the C library with the System framework + newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'` + ;; + esac + + if test yes = "$droppeddeps"; then + if test yes = "$module"; then + echo + echo "*** Warning: libtool could not satisfy all declared inter-library" + $ECHO "*** dependencies of module $libname. Therefore, libtool will create" + echo "*** a static module, that should work as long as the dlopening" + echo "*** application is linked with the -dlopen flag." + if test -z "$global_symbol_pipe"; then + echo + echo "*** However, this would only work if libtool was able to extract symbol" + echo "*** lists from a program, using 'nm' or equivalent, but libtool could" + echo "*** not find such a program. So, this module is probably useless." + echo "*** 'nm' from GNU binutils and a full rebuild may help." + fi + if test no = "$build_old_libs"; then + oldlibs=$output_objdir/$libname.$libext + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + else + echo "*** The inter-library dependencies that have been dropped here will be" + echo "*** automatically added whenever a program is linked with this library" + echo "*** or is declared to -dlopen it." + + if test no = "$allow_undefined"; then + echo + echo "*** Since this library must not contain undefined symbols," + echo "*** because either the platform does not support them or" + echo "*** it was explicitly requested with -no-undefined," + echo "*** libtool will only create a static version of it." + if test no = "$build_old_libs"; then + oldlibs=$output_objdir/$libname.$libext + build_libtool_libs=module + build_old_libs=yes + else + build_libtool_libs=no + fi + fi + fi + fi + # Done checking deplibs! + deplibs=$newdeplibs + fi + # Time to change all our "foo.ltframework" stuff back to "-framework foo" + case $host in + *-*-darwin*) + newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + ;; + esac + + # move library search paths that coincide with paths to not yet + # installed libraries to the beginning of the library search list + new_libs= + for path in $notinst_path; do + case " $new_libs " in + *" -L$path/$objdir "*) ;; + *) + case " $deplibs " in + *" -L$path/$objdir "*) + func_append new_libs " -L$path/$objdir" ;; + esac + ;; + esac + done + for deplib in $deplibs; do + case $deplib in + -L*) + case " $new_libs " in + *" $deplib "*) ;; + *) func_append new_libs " $deplib" ;; + esac + ;; + *) func_append new_libs " $deplib" ;; + esac + done + deplibs=$new_libs + + # All the library-specific variables (install_libdir is set above). + library_names= + old_library= + dlname= + + # Test again, we may have decided not to build it any more + if test yes = "$build_libtool_libs"; then + # Remove $wl instances when linking with ld. + # FIXME: should test the right _cmds variable. + case $archive_cmds in + *\$LD\ *) wl= ;; + esac + if test yes = "$hardcode_into_libs"; then + # Hardcode the library paths + hardcode_libdirs= + dep_rpath= + rpath=$finalize_rpath + test relink = "$opt_mode" || rpath=$compile_rpath$rpath + for libdir in $rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + func_replace_sysroot "$libdir" + libdir=$func_replace_sysroot_result + if test -z "$hardcode_libdirs"; then + hardcode_libdirs=$libdir + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + func_append dep_rpath " $flag" + fi + elif test -n "$runpath_var"; then + case "$perm_rpath " in + *" $libdir "*) ;; + *) func_append perm_rpath " $libdir" ;; + esac + fi + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir=$hardcode_libdirs + eval "dep_rpath=\"$hardcode_libdir_flag_spec\"" + fi + if test -n "$runpath_var" && test -n "$perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $perm_rpath; do + func_append rpath "$dir:" + done + eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" + fi + test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" + fi + + shlibpath=$finalize_shlibpath + test relink = "$opt_mode" || shlibpath=$compile_shlibpath$shlibpath + if test -n "$shlibpath"; then + eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" + fi + + # Get the real and link names of the library. + eval shared_ext=\"$shrext_cmds\" + eval library_names=\"$library_names_spec\" + set dummy $library_names + shift + realname=$1 + shift + + if test -n "$soname_spec"; then + eval soname=\"$soname_spec\" + else + soname=$realname + fi + if test -z "$dlname"; then + dlname=$soname + fi + + lib=$output_objdir/$realname + linknames= + for link + do + func_append linknames " $link" + done + + # Use standard objects if they are pic + test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP` + test "X$libobjs" = "X " && libobjs= + + delfiles= + if test -n "$export_symbols" && test -n "$include_expsyms"; then + $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" + export_symbols=$output_objdir/$libname.uexp + func_append delfiles " $export_symbols" + fi + + orig_export_symbols= + case $host_os in + cygwin* | mingw* | cegcc*) + if test -n "$export_symbols" && test -z "$export_symbols_regex"; then + # exporting using user supplied symfile + func_dll_def_p "$export_symbols" || { + # and it's NOT already a .def file. Must figure out + # which of the given symbols are data symbols and tag + # them as such. So, trigger use of export_symbols_cmds. + # export_symbols gets reassigned inside the "prepare + # the list of exported symbols" if statement, so the + # include_expsyms logic still works. + orig_export_symbols=$export_symbols + export_symbols= + always_export_symbols=yes + } + fi + ;; + esac + + # Prepare the list of exported symbols + if test -z "$export_symbols"; then + if test yes = "$always_export_symbols" || test -n "$export_symbols_regex"; then + func_verbose "generating symbol list for '$libname.la'" + export_symbols=$output_objdir/$libname.exp + $opt_dry_run || $RM $export_symbols + cmds=$export_symbols_cmds + save_ifs=$IFS; IFS='~' + for cmd1 in $cmds; do + IFS=$save_ifs + # Take the normal branch if the nm_file_list_spec branch + # doesn't work or if tool conversion is not needed. + case $nm_file_list_spec~$to_tool_file_cmd in + *~func_convert_file_noop | *~func_convert_file_msys_to_w32 | ~*) + try_normal_branch=yes + eval cmd=\"$cmd1\" + func_len " $cmd" + len=$func_len_result + ;; + *) + try_normal_branch=no + ;; + esac + if test yes = "$try_normal_branch" \ + && { test "$len" -lt "$max_cmd_len" \ + || test "$max_cmd_len" -le -1; } + then + func_show_eval "$cmd" 'exit $?' + skipped_export=false + elif test -n "$nm_file_list_spec"; then + func_basename "$output" + output_la=$func_basename_result + save_libobjs=$libobjs + save_output=$output + output=$output_objdir/$output_la.nm + func_to_tool_file "$output" + libobjs=$nm_file_list_spec$func_to_tool_file_result + func_append delfiles " $output" + func_verbose "creating $NM input file list: $output" + for obj in $save_libobjs; do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" + done > "$output" + eval cmd=\"$cmd1\" + func_show_eval "$cmd" 'exit $?' + output=$save_output + libobjs=$save_libobjs + skipped_export=false + else + # The command line is too long to execute in one step. + func_verbose "using reloadable object file for export list..." + skipped_export=: + # Break out early, otherwise skipped_export may be + # set to false by a later but shorter cmd. + break + fi + done + IFS=$save_ifs + if test -n "$export_symbols_regex" && test : != "$skipped_export"; then + func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' + func_show_eval '$MV "${export_symbols}T" "$export_symbols"' + fi + fi + fi + + if test -n "$export_symbols" && test -n "$include_expsyms"; then + tmp_export_symbols=$export_symbols + test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols + $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' + fi + + if test : != "$skipped_export" && test -n "$orig_export_symbols"; then + # The given exports_symbols file has to be filtered, so filter it. + func_verbose "filter symbol list for '$libname.la' to tag DATA exports" + # FIXME: $output_objdir/$libname.filter potentially contains lots of + # 's' commands, which not all seds can handle. GNU sed should be fine + # though. Also, the filter scales superlinearly with the number of + # global variables. join(1) would be nice here, but unfortunately + # isn't a blessed tool. + $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter + func_append delfiles " $export_symbols $output_objdir/$libname.filter" + export_symbols=$output_objdir/$libname.def + $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols + fi + + tmp_deplibs= + for test_deplib in $deplibs; do + case " $convenience " in + *" $test_deplib "*) ;; + *) + func_append tmp_deplibs " $test_deplib" + ;; + esac + done + deplibs=$tmp_deplibs + + if test -n "$convenience"; then + if test -n "$whole_archive_flag_spec" && + test yes = "$compiler_needs_object" && + test -z "$libobjs"; then + # extract the archives, so we have objects to list. + # TODO: could optimize this to just extract one archive. + whole_archive_flag_spec= + fi + if test -n "$whole_archive_flag_spec"; then + save_libobjs=$libobjs + eval libobjs=\"\$libobjs $whole_archive_flag_spec\" + test "X$libobjs" = "X " && libobjs= + else + gentop=$output_objdir/${outputname}x + func_append generated " $gentop" + + func_extract_archives $gentop $convenience + func_append libobjs " $func_extract_archives_result" + test "X$libobjs" = "X " && libobjs= + fi + fi + + if test yes = "$thread_safe" && test -n "$thread_safe_flag_spec"; then + eval flag=\"$thread_safe_flag_spec\" + func_append linker_flags " $flag" + fi + + # Make a backup of the uninstalled library when relinking + if test relink = "$opt_mode"; then + $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? + fi + + # Do each of the archive commands. + if test yes = "$module" && test -n "$module_cmds"; then + if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then + eval test_cmds=\"$module_expsym_cmds\" + cmds=$module_expsym_cmds + else + eval test_cmds=\"$module_cmds\" + cmds=$module_cmds + fi + else + if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then + eval test_cmds=\"$archive_expsym_cmds\" + cmds=$archive_expsym_cmds + else + eval test_cmds=\"$archive_cmds\" + cmds=$archive_cmds + fi + fi + + if test : != "$skipped_export" && + func_len " $test_cmds" && + len=$func_len_result && + test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then + : + else + # The command line is too long to link in one step, link piecewise + # or, if using GNU ld and skipped_export is not :, use a linker + # script. + + # Save the value of $output and $libobjs because we want to + # use them later. If we have whole_archive_flag_spec, we + # want to use save_libobjs as it was before + # whole_archive_flag_spec was expanded, because we can't + # assume the linker understands whole_archive_flag_spec. + # This may have to be revisited, in case too many + # convenience libraries get linked in and end up exceeding + # the spec. + if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then + save_libobjs=$libobjs + fi + save_output=$output + func_basename "$output" + output_la=$func_basename_result + + # Clear the reloadable object creation command queue and + # initialize k to one. + test_cmds= + concat_cmds= + objlist= + last_robj= + k=1 + + if test -n "$save_libobjs" && test : != "$skipped_export" && test yes = "$with_gnu_ld"; then + output=$output_objdir/$output_la.lnkscript + func_verbose "creating GNU ld script: $output" + echo 'INPUT (' > $output + for obj in $save_libobjs + do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" >> $output + done + echo ')' >> $output + func_append delfiles " $output" + func_to_tool_file "$output" + output=$func_to_tool_file_result + elif test -n "$save_libobjs" && test : != "$skipped_export" && test -n "$file_list_spec"; then + output=$output_objdir/$output_la.lnk + func_verbose "creating linker input file list: $output" + : > $output + set x $save_libobjs + shift + firstobj= + if test yes = "$compiler_needs_object"; then + firstobj="$1 " + shift + fi + for obj + do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" >> $output + done + func_append delfiles " $output" + func_to_tool_file "$output" + output=$firstobj\"$file_list_spec$func_to_tool_file_result\" + else + if test -n "$save_libobjs"; then + func_verbose "creating reloadable object files..." + output=$output_objdir/$output_la-$k.$objext + eval test_cmds=\"$reload_cmds\" + func_len " $test_cmds" + len0=$func_len_result + len=$len0 + + # Loop over the list of objects to be linked. + for obj in $save_libobjs + do + func_len " $obj" + func_arith $len + $func_len_result + len=$func_arith_result + if test -z "$objlist" || + test "$len" -lt "$max_cmd_len"; then + func_append objlist " $obj" + else + # The command $test_cmds is almost too long, add a + # command to the queue. + if test 1 -eq "$k"; then + # The first file doesn't have a previous command to add. + reload_objs=$objlist + eval concat_cmds=\"$reload_cmds\" + else + # All subsequent reloadable object files will link in + # the last one created. + reload_objs="$objlist $last_robj" + eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\" + fi + last_robj=$output_objdir/$output_la-$k.$objext + func_arith $k + 1 + k=$func_arith_result + output=$output_objdir/$output_la-$k.$objext + objlist=" $obj" + func_len " $last_robj" + func_arith $len0 + $func_len_result + len=$func_arith_result + fi + done + # Handle the remaining objects by creating one last + # reloadable object file. All subsequent reloadable object + # files will link in the last one created. + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + reload_objs="$objlist $last_robj" + eval concat_cmds=\"\$concat_cmds$reload_cmds\" + if test -n "$last_robj"; then + eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" + fi + func_append delfiles " $output" + + else + output= + fi + + ${skipped_export-false} && { + func_verbose "generating symbol list for '$libname.la'" + export_symbols=$output_objdir/$libname.exp + $opt_dry_run || $RM $export_symbols + libobjs=$output + # Append the command to create the export file. + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" + if test -n "$last_robj"; then + eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" + fi + } + + test -n "$save_libobjs" && + func_verbose "creating a temporary reloadable object file: $output" + + # Loop through the commands generated above and execute them. + save_ifs=$IFS; IFS='~' + for cmd in $concat_cmds; do + IFS=$save_ifs + $opt_quiet || { + func_quote_arg expand,pretty "$cmd" + eval "func_echo $func_quote_arg_result" + } + $opt_dry_run || eval "$cmd" || { + lt_exit=$? + + # Restore the uninstalled library and exit + if test relink = "$opt_mode"; then + ( cd "$output_objdir" && \ + $RM "${realname}T" && \ + $MV "${realname}U" "$realname" ) + fi + + exit $lt_exit + } + done + IFS=$save_ifs + + if test -n "$export_symbols_regex" && ${skipped_export-false}; then + func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' + func_show_eval '$MV "${export_symbols}T" "$export_symbols"' + fi + fi + + ${skipped_export-false} && { + if test -n "$export_symbols" && test -n "$include_expsyms"; then + tmp_export_symbols=$export_symbols + test -n "$orig_export_symbols" && tmp_export_symbols=$orig_export_symbols + $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' + fi + + if test -n "$orig_export_symbols"; then + # The given exports_symbols file has to be filtered, so filter it. + func_verbose "filter symbol list for '$libname.la' to tag DATA exports" + # FIXME: $output_objdir/$libname.filter potentially contains lots of + # 's' commands, which not all seds can handle. GNU sed should be fine + # though. Also, the filter scales superlinearly with the number of + # global variables. join(1) would be nice here, but unfortunately + # isn't a blessed tool. + $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter + func_append delfiles " $export_symbols $output_objdir/$libname.filter" + export_symbols=$output_objdir/$libname.def + $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols + fi + } + + libobjs=$output + # Restore the value of output. + output=$save_output + + if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then + eval libobjs=\"\$libobjs $whole_archive_flag_spec\" + test "X$libobjs" = "X " && libobjs= + fi + # Expand the library linking commands again to reset the + # value of $libobjs for piecewise linking. + + # Do each of the archive commands. + if test yes = "$module" && test -n "$module_cmds"; then + if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then + cmds=$module_expsym_cmds + else + cmds=$module_cmds + fi + else + if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then + cmds=$archive_expsym_cmds + else + cmds=$archive_cmds + fi + fi + fi + + if test -n "$delfiles"; then + # Append the command to remove temporary files to $cmds. + eval cmds=\"\$cmds~\$RM $delfiles\" + fi + + # Add any objects from preloaded convenience libraries + if test -n "$dlprefiles"; then + gentop=$output_objdir/${outputname}x + func_append generated " $gentop" + + func_extract_archives $gentop $dlprefiles + func_append libobjs " $func_extract_archives_result" + test "X$libobjs" = "X " && libobjs= + fi + + save_ifs=$IFS; IFS='~' + for cmd in $cmds; do + IFS=$sp$nl + eval cmd=\"$cmd\" + IFS=$save_ifs + $opt_quiet || { + func_quote_arg expand,pretty "$cmd" + eval "func_echo $func_quote_arg_result" + } + $opt_dry_run || eval "$cmd" || { + lt_exit=$? + + # Restore the uninstalled library and exit + if test relink = "$opt_mode"; then + ( cd "$output_objdir" && \ + $RM "${realname}T" && \ + $MV "${realname}U" "$realname" ) + fi + + exit $lt_exit + } + done + IFS=$save_ifs + + # Restore the uninstalled library and exit + if test relink = "$opt_mode"; then + $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? + + if test -n "$convenience"; then + if test -z "$whole_archive_flag_spec"; then + func_show_eval '${RM}r "$gentop"' + fi + fi + + exit $EXIT_SUCCESS + fi + + # Create links to the real library. + for linkname in $linknames; do + if test "$realname" != "$linkname"; then + func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' + fi + done + + # If -module or -export-dynamic was specified, set the dlname. + if test yes = "$module" || test yes = "$export_dynamic"; then + # On all known operating systems, these are identical. + dlname=$soname + fi + fi + ;; + + obj) + if test -n "$dlfiles$dlprefiles" || test no != "$dlself"; then + func_warning "'-dlopen' is ignored for objects" + fi + + case " $deplibs" in + *\ -l* | *\ -L*) + func_warning "'-l' and '-L' are ignored for objects" ;; + esac + + test -n "$rpath" && \ + func_warning "'-rpath' is ignored for objects" + + test -n "$xrpath" && \ + func_warning "'-R' is ignored for objects" + + test -n "$vinfo" && \ + func_warning "'-version-info' is ignored for objects" + + test -n "$release" && \ + func_warning "'-release' is ignored for objects" + + case $output in + *.lo) + test -n "$objs$old_deplibs" && \ + func_fatal_error "cannot build library object '$output' from non-libtool objects" + + libobj=$output + func_lo2o "$libobj" + obj=$func_lo2o_result + ;; + *) + libobj= + obj=$output + ;; + esac + + # Delete the old objects. + $opt_dry_run || $RM $obj $libobj + + # Objects from convenience libraries. This assumes + # single-version convenience libraries. Whenever we create + # different ones for PIC/non-PIC, this we'll have to duplicate + # the extraction. + reload_conv_objs= + gentop= + # if reload_cmds runs $LD directly, get rid of -Wl from + # whole_archive_flag_spec and hope we can get by with turning comma + # into space. + case $reload_cmds in + *\$LD[\ \$]*) wl= ;; + esac + if test -n "$convenience"; then + if test -n "$whole_archive_flag_spec"; then + eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" + test -n "$wl" || tmp_whole_archive_flags=`$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'` + reload_conv_objs=$reload_objs\ $tmp_whole_archive_flags + else + gentop=$output_objdir/${obj}x + func_append generated " $gentop" + + func_extract_archives $gentop $convenience + reload_conv_objs="$reload_objs $func_extract_archives_result" + fi + fi + + # If we're not building shared, we need to use non_pic_objs + test yes = "$build_libtool_libs" || libobjs=$non_pic_objects + + # Create the old-style object. + reload_objs=$objs$old_deplibs' '`$ECHO "$libobjs" | $SP2NL | $SED "/\.$libext$/d; /\.lib$/d; $lo2o" | $NL2SP`' '$reload_conv_objs + + output=$obj + func_execute_cmds "$reload_cmds" 'exit $?' + + # Exit if we aren't doing a library object file. + if test -z "$libobj"; then + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + exit $EXIT_SUCCESS + fi + + test yes = "$build_libtool_libs" || { + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + # Create an invalid libtool object if no PIC, so that we don't + # accidentally link it into a program. + # $show "echo timestamp > $libobj" + # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? + exit $EXIT_SUCCESS + } + + if test -n "$pic_flag" || test default != "$pic_mode"; then + # Only do commands if we really have different PIC objects. + reload_objs="$libobjs $reload_conv_objs" + output=$libobj + func_execute_cmds "$reload_cmds" 'exit $?' + fi + + if test -n "$gentop"; then + func_show_eval '${RM}r "$gentop"' + fi + + exit $EXIT_SUCCESS + ;; + + prog) + case $host in + *cygwin*) func_stripname '' '.exe' "$output" + output=$func_stripname_result.exe;; + esac + test -n "$vinfo" && \ + func_warning "'-version-info' is ignored for programs" + + test -n "$release" && \ + func_warning "'-release' is ignored for programs" + + $preload \ + && test unknown,unknown,unknown = "$dlopen_support,$dlopen_self,$dlopen_self_static" \ + && func_warning "'LT_INIT([dlopen])' not used. Assuming no dlopen support." + + case $host in + *-*-rhapsody* | *-*-darwin1.[012]) + # On Rhapsody replace the C library is the System framework + compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'` + finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'` + ;; + esac + + case $host in + *-*-darwin*) + # Don't allow lazy linking, it breaks C++ global constructors + # But is supposedly fixed on 10.4 or later (yay!). + if test CXX = "$tagname"; then + case ${MACOSX_DEPLOYMENT_TARGET-10.0} in + 10.[0123]) + func_append compile_command " $wl-bind_at_load" + func_append finalize_command " $wl-bind_at_load" + ;; + esac + fi + # Time to change all our "foo.ltframework" stuff back to "-framework foo" + compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` + ;; + esac + + + # move library search paths that coincide with paths to not yet + # installed libraries to the beginning of the library search list + new_libs= + for path in $notinst_path; do + case " $new_libs " in + *" -L$path/$objdir "*) ;; + *) + case " $compile_deplibs " in + *" -L$path/$objdir "*) + func_append new_libs " -L$path/$objdir" ;; + esac + ;; + esac + done + for deplib in $compile_deplibs; do + case $deplib in + -L*) + case " $new_libs " in + *" $deplib "*) ;; + *) func_append new_libs " $deplib" ;; + esac + ;; + *) func_append new_libs " $deplib" ;; + esac + done + compile_deplibs=$new_libs + + + func_append compile_command " $compile_deplibs" + func_append finalize_command " $finalize_deplibs" + + if test -n "$rpath$xrpath"; then + # If the user specified any rpath flags, then add them. + for libdir in $rpath $xrpath; do + # Skip directories that are in the system default run-time search path. + case " $sys_lib_dlsearch_path " in + *" $libdir "*) continue ;; + esac + # This is the magic to use -rpath. + case "$finalize_rpath " in + *" $libdir "*) ;; + *) func_append finalize_rpath " $libdir" ;; + esac + done + fi + + # Now hardcode the library paths + rpath= + hardcode_libdirs= + for libdir in $compile_rpath $finalize_rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + if test -z "$hardcode_libdirs"; then + hardcode_libdirs=$libdir + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + func_append rpath " $flag" + fi + elif test -n "$runpath_var"; then + case "$perm_rpath " in + *" $libdir "*) ;; + *) func_append perm_rpath " $libdir" ;; + esac + fi + case $host in + *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) + testbindir=`$ECHO "$libdir" | $SED -e 's*/lib$*/bin*'` + case :$dllsearchpath: in + *":$libdir:"*) ;; + ::) dllsearchpath=$libdir;; + *) func_append dllsearchpath ":$libdir";; + esac + case :$dllsearchpath: in + *":$testbindir:"*) ;; + ::) dllsearchpath=$testbindir;; + *) func_append dllsearchpath ":$testbindir";; + esac + ;; + esac + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir=$hardcode_libdirs + eval rpath=\" $hardcode_libdir_flag_spec\" + fi + compile_rpath=$rpath + + rpath= + hardcode_libdirs= + for libdir in $finalize_rpath; do + if test -n "$hardcode_libdir_flag_spec"; then + if test -n "$hardcode_libdir_separator"; then + if test -z "$hardcode_libdirs"; then + hardcode_libdirs=$libdir + else + # Just accumulate the unique libdirs. + case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in + *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) + ;; + *) + func_append hardcode_libdirs "$hardcode_libdir_separator$libdir" + ;; + esac + fi + else + eval flag=\"$hardcode_libdir_flag_spec\" + func_append rpath " $flag" + fi + elif test -n "$runpath_var"; then + case "$finalize_perm_rpath " in + *" $libdir "*) ;; + *) func_append finalize_perm_rpath " $libdir" ;; + esac + fi + done + # Substitute the hardcoded libdirs into the rpath. + if test -n "$hardcode_libdir_separator" && + test -n "$hardcode_libdirs"; then + libdir=$hardcode_libdirs + eval rpath=\" $hardcode_libdir_flag_spec\" + fi + finalize_rpath=$rpath + + if test -n "$libobjs" && test yes = "$build_old_libs"; then + # Transform all the library objects into standard objects. + compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP` + finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP` + fi + + func_generate_dlsyms "$outputname" "@PROGRAM@" false + + # template prelinking step + if test -n "$prelink_cmds"; then + func_execute_cmds "$prelink_cmds" 'exit $?' + fi + + wrappers_required=: + case $host in + *cegcc* | *mingw32ce*) + # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway. + wrappers_required=false + ;; + *cygwin* | *mingw* ) + test yes = "$build_libtool_libs" || wrappers_required=false + ;; + *) + if test no = "$need_relink" || test yes != "$build_libtool_libs"; then + wrappers_required=false + fi + ;; + esac + $wrappers_required || { + # Replace the output file specification. + compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'` + link_command=$compile_command$compile_rpath + + # We have no uninstalled library dependencies, so finalize right now. + exit_status=0 + func_show_eval "$link_command" 'exit_status=$?' + + if test -n "$postlink_cmds"; then + func_to_tool_file "$output" + postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` + func_execute_cmds "$postlink_cmds" 'exit $?' + fi + + # Delete the generated files. + if test -f "$output_objdir/${outputname}S.$objext"; then + func_show_eval '$RM "$output_objdir/${outputname}S.$objext"' + fi + + exit $exit_status + } + + if test -n "$compile_shlibpath$finalize_shlibpath"; then + compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" + fi + if test -n "$finalize_shlibpath"; then + finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" + fi + + compile_var= + finalize_var= + if test -n "$runpath_var"; then + if test -n "$perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $perm_rpath; do + func_append rpath "$dir:" + done + compile_var="$runpath_var=\"$rpath\$$runpath_var\" " + fi + if test -n "$finalize_perm_rpath"; then + # We should set the runpath_var. + rpath= + for dir in $finalize_perm_rpath; do + func_append rpath "$dir:" + done + finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " + fi + fi + + if test yes = "$no_install"; then + # We don't need to create a wrapper script. + link_command=$compile_var$compile_command$compile_rpath + # Replace the output file specification. + link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'` + # Delete the old output file. + $opt_dry_run || $RM $output + # Link the executable and exit + func_show_eval "$link_command" 'exit $?' + + if test -n "$postlink_cmds"; then + func_to_tool_file "$output" + postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` + func_execute_cmds "$postlink_cmds" 'exit $?' + fi + + exit $EXIT_SUCCESS + fi + + case $hardcode_action,$fast_install in + relink,*) + # Fast installation is not supported + link_command=$compile_var$compile_command$compile_rpath + relink_command=$finalize_var$finalize_command$finalize_rpath + + func_warning "this platform does not like uninstalled shared libraries" + func_warning "'$output' will be relinked during installation" + ;; + *,yes) + link_command=$finalize_var$compile_command$finalize_rpath + relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'` + ;; + *,no) + link_command=$compile_var$compile_command$compile_rpath + relink_command=$finalize_var$finalize_command$finalize_rpath + ;; + *,needless) + link_command=$finalize_var$compile_command$finalize_rpath + relink_command= + ;; + esac + + # Replace the output file specification. + link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` + + # Delete the old output files. + $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname + + func_show_eval "$link_command" 'exit $?' + + if test -n "$postlink_cmds"; then + func_to_tool_file "$output_objdir/$outputname" + postlink_cmds=`func_echo_all "$postlink_cmds" | $SED -e 's%@OUTPUT@%'"$output_objdir/$outputname"'%g' -e 's%@TOOL_OUTPUT@%'"$func_to_tool_file_result"'%g'` + func_execute_cmds "$postlink_cmds" 'exit $?' + fi + + # Now create the wrapper script. + func_verbose "creating $output" + + # Quote the relink command for shipping. + if test -n "$relink_command"; then + # Preserve any variables that may affect compiler behavior + for var in $variables_saved_for_relink; do + if eval test -z \"\${$var+set}\"; then + relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" + elif eval var_value=\$$var; test -z "$var_value"; then + relink_command="$var=; export $var; $relink_command" + else + func_quote_arg pretty "$var_value" + relink_command="$var=$func_quote_arg_result; export $var; $relink_command" + fi + done + func_quote eval cd "`pwd`" + func_quote_arg pretty,unquoted "($func_quote_result; $relink_command)" + relink_command=$func_quote_arg_unquoted_result + fi + + # Only actually do things if not in dry run mode. + $opt_dry_run || { + # win32 will think the script is a binary if it has + # a .exe suffix, so we strip it off here. + case $output in + *.exe) func_stripname '' '.exe' "$output" + output=$func_stripname_result ;; + esac + # test for cygwin because mv fails w/o .exe extensions + case $host in + *cygwin*) + exeext=.exe + func_stripname '' '.exe' "$outputname" + outputname=$func_stripname_result ;; + *) exeext= ;; + esac + case $host in + *cygwin* | *mingw* ) + func_dirname_and_basename "$output" "" "." + output_name=$func_basename_result + output_path=$func_dirname_result + cwrappersource=$output_path/$objdir/lt-$output_name.c + cwrapper=$output_path/$output_name.exe + $RM $cwrappersource $cwrapper + trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 + + func_emit_cwrapperexe_src > $cwrappersource + + # The wrapper executable is built using the $host compiler, + # because it contains $host paths and files. If cross- + # compiling, it, like the target executable, must be + # executed on the $host or under an emulation environment. + $opt_dry_run || { + $LTCC $LTCFLAGS -o $cwrapper $cwrappersource + $STRIP $cwrapper + } + + # Now, create the wrapper script for func_source use: + func_ltwrapper_scriptname $cwrapper + $RM $func_ltwrapper_scriptname_result + trap "$RM $func_ltwrapper_scriptname_result; exit $EXIT_FAILURE" 1 2 15 + $opt_dry_run || { + # note: this script will not be executed, so do not chmod. + if test "x$build" = "x$host"; then + $cwrapper --lt-dump-script > $func_ltwrapper_scriptname_result + else + func_emit_wrapper no > $func_ltwrapper_scriptname_result + fi + } + ;; + * ) + $RM $output + trap "$RM $output; exit $EXIT_FAILURE" 1 2 15 + + func_emit_wrapper no > $output + chmod +x $output + ;; + esac + } + exit $EXIT_SUCCESS + ;; + esac + + # See if we need to build an old-fashioned archive. + for oldlib in $oldlibs; do + + case $build_libtool_libs in + convenience) + oldobjs="$libobjs_save $symfileobj" + addlibs=$convenience + build_libtool_libs=no + ;; + module) + oldobjs=$libobjs_save + addlibs=$old_convenience + build_libtool_libs=no + ;; + *) + oldobjs="$old_deplibs $non_pic_objects" + $preload && test -f "$symfileobj" \ + && func_append oldobjs " $symfileobj" + addlibs=$old_convenience + ;; + esac + + if test -n "$addlibs"; then + gentop=$output_objdir/${outputname}x + func_append generated " $gentop" + + func_extract_archives $gentop $addlibs + func_append oldobjs " $func_extract_archives_result" + fi + + # Do each command in the archive commands. + if test -n "$old_archive_from_new_cmds" && test yes = "$build_libtool_libs"; then + cmds=$old_archive_from_new_cmds + else + + # Add any objects from preloaded convenience libraries + if test -n "$dlprefiles"; then + gentop=$output_objdir/${outputname}x + func_append generated " $gentop" + + func_extract_archives $gentop $dlprefiles + func_append oldobjs " $func_extract_archives_result" + fi + + # POSIX demands no paths to be encoded in archives. We have + # to avoid creating archives with duplicate basenames if we + # might have to extract them afterwards, e.g., when creating a + # static archive out of a convenience library, or when linking + # the entirety of a libtool archive into another (currently + # not supported by libtool). + if (for obj in $oldobjs + do + func_basename "$obj" + $ECHO "$func_basename_result" + done | sort | sort -uc >/dev/null 2>&1); then + : + else + echo "copying selected object files to avoid basename conflicts..." + gentop=$output_objdir/${outputname}x + func_append generated " $gentop" + func_mkdir_p "$gentop" + save_oldobjs=$oldobjs + oldobjs= + counter=1 + for obj in $save_oldobjs + do + func_basename "$obj" + objbase=$func_basename_result + case " $oldobjs " in + " ") oldobjs=$obj ;; + *[\ /]"$objbase "*) + while :; do + # Make sure we don't pick an alternate name that also + # overlaps. + newobj=lt$counter-$objbase + func_arith $counter + 1 + counter=$func_arith_result + case " $oldobjs " in + *[\ /]"$newobj "*) ;; + *) if test ! -f "$gentop/$newobj"; then break; fi ;; + esac + done + func_show_eval "ln $obj $gentop/$newobj || cp $obj $gentop/$newobj" + func_append oldobjs " $gentop/$newobj" + ;; + *) func_append oldobjs " $obj" ;; + esac + done + fi + func_to_tool_file "$oldlib" func_convert_file_msys_to_w32 + tool_oldlib=$func_to_tool_file_result + eval cmds=\"$old_archive_cmds\" + + func_len " $cmds" + len=$func_len_result + if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then + cmds=$old_archive_cmds + elif test -n "$archiver_list_spec"; then + func_verbose "using command file archive linking..." + for obj in $oldobjs + do + func_to_tool_file "$obj" + $ECHO "$func_to_tool_file_result" + done > $output_objdir/$libname.libcmd + func_to_tool_file "$output_objdir/$libname.libcmd" + oldobjs=" $archiver_list_spec$func_to_tool_file_result" + cmds=$old_archive_cmds + else + # the command line is too long to link in one step, link in parts + func_verbose "using piecewise archive linking..." + save_RANLIB=$RANLIB + RANLIB=: + objlist= + concat_cmds= + save_oldobjs=$oldobjs + oldobjs= + # Is there a better way of finding the last object in the list? + for obj in $save_oldobjs + do + last_oldobj=$obj + done + eval test_cmds=\"$old_archive_cmds\" + func_len " $test_cmds" + len0=$func_len_result + len=$len0 + for obj in $save_oldobjs + do + func_len " $obj" + func_arith $len + $func_len_result + len=$func_arith_result + func_append objlist " $obj" + if test "$len" -lt "$max_cmd_len"; then + : + else + # the above command should be used before it gets too long + oldobjs=$objlist + if test "$obj" = "$last_oldobj"; then + RANLIB=$save_RANLIB + fi + test -z "$concat_cmds" || concat_cmds=$concat_cmds~ + eval concat_cmds=\"\$concat_cmds$old_archive_cmds\" + objlist= + len=$len0 + fi + done + RANLIB=$save_RANLIB + oldobjs=$objlist + if test -z "$oldobjs"; then + eval cmds=\"\$concat_cmds\" + else + eval cmds=\"\$concat_cmds~\$old_archive_cmds\" + fi + fi + fi + func_execute_cmds "$cmds" 'exit $?' + done + + test -n "$generated" && \ + func_show_eval "${RM}r$generated" + + # Now create the libtool archive. + case $output in + *.la) + old_library= + test yes = "$build_old_libs" && old_library=$libname.$libext + func_verbose "creating $output" + + # Preserve any variables that may affect compiler behavior + for var in $variables_saved_for_relink; do + if eval test -z \"\${$var+set}\"; then + relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" + elif eval var_value=\$$var; test -z "$var_value"; then + relink_command="$var=; export $var; $relink_command" + else + func_quote_arg pretty,unquoted "$var_value" + relink_command="$var=$func_quote_arg_unquoted_result; export $var; $relink_command" + fi + done + # Quote the link command for shipping. + func_quote eval cd "`pwd`" + relink_command="($func_quote_result; $SHELL \"$progpath\" $preserve_args --mode=relink $libtool_args @inst_prefix_dir@)" + func_quote_arg pretty,unquoted "$relink_command" + relink_command=$func_quote_arg_unquoted_result + if test yes = "$hardcode_automatic"; then + relink_command= + fi + + # Only create the output if not a dry run. + $opt_dry_run || { + for installed in no yes; do + if test yes = "$installed"; then + if test -z "$install_libdir"; then + break + fi + output=$output_objdir/${outputname}i + # Replace all uninstalled libtool libraries with the installed ones + newdependency_libs= + for deplib in $dependency_libs; do + case $deplib in + *.la) + func_basename "$deplib" + name=$func_basename_result + func_resolve_sysroot "$deplib" + eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $func_resolve_sysroot_result` + test -z "$libdir" && \ + func_fatal_error "'$deplib' is not a valid libtool archive" + func_append newdependency_libs " ${lt_sysroot:+=}$libdir/$name" + ;; + -L*) + func_stripname -L '' "$deplib" + func_replace_sysroot "$func_stripname_result" + func_append newdependency_libs " -L$func_replace_sysroot_result" + ;; + -R*) + func_stripname -R '' "$deplib" + func_replace_sysroot "$func_stripname_result" + func_append newdependency_libs " -R$func_replace_sysroot_result" + ;; + *) func_append newdependency_libs " $deplib" ;; + esac + done + dependency_libs=$newdependency_libs + newdlfiles= + + for lib in $dlfiles; do + case $lib in + *.la) + func_basename "$lib" + name=$func_basename_result + eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $lib` + test -z "$libdir" && \ + func_fatal_error "'$lib' is not a valid libtool archive" + func_append newdlfiles " ${lt_sysroot:+=}$libdir/$name" + ;; + *) func_append newdlfiles " $lib" ;; + esac + done + dlfiles=$newdlfiles + newdlprefiles= + for lib in $dlprefiles; do + case $lib in + *.la) + # Only pass preopened files to the pseudo-archive (for + # eventual linking with the app. that links it) if we + # didn't already link the preopened objects directly into + # the library: + func_basename "$lib" + name=$func_basename_result + eval libdir=`$SED -n -e 's/^libdir=\(.*\)$/\1/p' $lib` + test -z "$libdir" && \ + func_fatal_error "'$lib' is not a valid libtool archive" + func_append newdlprefiles " ${lt_sysroot:+=}$libdir/$name" + ;; + esac + done + dlprefiles=$newdlprefiles + else + newdlfiles= + for lib in $dlfiles; do + case $lib in + [\\/]* | [A-Za-z]:[\\/]*) abs=$lib ;; + *) abs=`pwd`"/$lib" ;; + esac + func_append newdlfiles " $abs" + done + dlfiles=$newdlfiles + newdlprefiles= + for lib in $dlprefiles; do + case $lib in + [\\/]* | [A-Za-z]:[\\/]*) abs=$lib ;; + *) abs=`pwd`"/$lib" ;; + esac + func_append newdlprefiles " $abs" + done + dlprefiles=$newdlprefiles + fi + $RM $output + # place dlname in correct position for cygwin + # In fact, it would be nice if we could use this code for all target + # systems that can't hard-code library paths into their executables + # and that have no shared library path variable independent of PATH, + # but it turns out we can't easily determine that from inspecting + # libtool variables, so we have to hard-code the OSs to which it + # applies here; at the moment, that means platforms that use the PE + # object format with DLL files. See the long comment at the top of + # tests/bindir.at for full details. + tdlname=$dlname + case $host,$output,$installed,$module,$dlname in + *cygwin*,*lai,yes,no,*.dll | *mingw*,*lai,yes,no,*.dll | *cegcc*,*lai,yes,no,*.dll) + # If a -bindir argument was supplied, place the dll there. + if test -n "$bindir"; then + func_relative_path "$install_libdir" "$bindir" + tdlname=$func_relative_path_result/$dlname + else + # Otherwise fall back on heuristic. + tdlname=../bin/$dlname + fi + ;; + esac + $ECHO > $output "\ +# $outputname - a libtool library file +# Generated by $PROGRAM (GNU $PACKAGE) $VERSION +# +# Please DO NOT delete this file! +# It is necessary for linking the library. + +# The name that we can dlopen(3). +dlname='$tdlname' + +# Names of this library. +library_names='$library_names' + +# The name of the static archive. +old_library='$old_library' + +# Linker flags that cannot go in dependency_libs. +inherited_linker_flags='$new_inherited_linker_flags' + +# Libraries that this one depends upon. +dependency_libs='$dependency_libs' + +# Names of additional weak libraries provided by this library +weak_library_names='$weak_libs' + +# Version information for $libname. +current=$current +age=$age +revision=$revision + +# Is this an already installed library? +installed=$installed + +# Should we warn about portability when linking against -modules? +shouldnotlink=$module + +# Files to dlopen/dlpreopen +dlopen='$dlfiles' +dlpreopen='$dlprefiles' + +# Directory that this library needs to be installed in: +libdir='$install_libdir'" + if test no,yes = "$installed,$need_relink"; then + $ECHO >> $output "\ +relink_command=\"$relink_command\"" + fi + done + } + + # Do a symbolic link so that the libtool archive can be found in + # LD_LIBRARY_PATH before the program is installed. + func_show_eval '( cd "$output_objdir" && $RM "$outputname" && $LN_S "../$outputname" "$outputname" )' 'exit $?' + ;; + esac + exit $EXIT_SUCCESS +} + +if test link = "$opt_mode" || test relink = "$opt_mode"; then + func_mode_link ${1+"$@"} +fi + + +# func_mode_uninstall arg... +func_mode_uninstall () +{ + $debug_cmd + + RM=$nonopt + files= + rmforce=false + exit_status=0 + + # This variable tells wrapper scripts just to set variables rather + # than running their programs. + libtool_install_magic=$magic + + for arg + do + case $arg in + -f) func_append RM " $arg"; rmforce=: ;; + -*) func_append RM " $arg" ;; + *) func_append files " $arg" ;; + esac + done + + test -z "$RM" && \ + func_fatal_help "you must specify an RM program" + + rmdirs= + + for file in $files; do + func_dirname "$file" "" "." + dir=$func_dirname_result + if test . = "$dir"; then + odir=$objdir + else + odir=$dir/$objdir + fi + func_basename "$file" + name=$func_basename_result + test uninstall = "$opt_mode" && odir=$dir + + # Remember odir for removal later, being careful to avoid duplicates + if test clean = "$opt_mode"; then + case " $rmdirs " in + *" $odir "*) ;; + *) func_append rmdirs " $odir" ;; + esac + fi + + # Don't error if the file doesn't exist and rm -f was used. + if { test -L "$file"; } >/dev/null 2>&1 || + { test -h "$file"; } >/dev/null 2>&1 || + test -f "$file"; then + : + elif test -d "$file"; then + exit_status=1 + continue + elif $rmforce; then + continue + fi + + rmfiles=$file + + case $name in + *.la) + # Possibly a libtool archive, so verify it. + if func_lalib_p "$file"; then + func_source $dir/$name + + # Delete the libtool libraries and symlinks. + for n in $library_names; do + func_append rmfiles " $odir/$n" + done + test -n "$old_library" && func_append rmfiles " $odir/$old_library" + + case $opt_mode in + clean) + case " $library_names " in + *" $dlname "*) ;; + *) test -n "$dlname" && func_append rmfiles " $odir/$dlname" ;; + esac + test -n "$libdir" && func_append rmfiles " $odir/$name $odir/${name}i" + ;; + uninstall) + if test -n "$library_names"; then + # Do each command in the postuninstall commands. + func_execute_cmds "$postuninstall_cmds" '$rmforce || exit_status=1' + fi + + if test -n "$old_library"; then + # Do each command in the old_postuninstall commands. + func_execute_cmds "$old_postuninstall_cmds" '$rmforce || exit_status=1' + fi + # FIXME: should reinstall the best remaining shared library. + ;; + esac + fi + ;; + + *.lo) + # Possibly a libtool object, so verify it. + if func_lalib_p "$file"; then + + # Read the .lo file + func_source $dir/$name + + # Add PIC object to the list of files to remove. + if test -n "$pic_object" && test none != "$pic_object"; then + func_append rmfiles " $dir/$pic_object" + fi + + # Add non-PIC object to the list of files to remove. + if test -n "$non_pic_object" && test none != "$non_pic_object"; then + func_append rmfiles " $dir/$non_pic_object" + fi + fi + ;; + + *) + if test clean = "$opt_mode"; then + noexename=$name + case $file in + *.exe) + func_stripname '' '.exe' "$file" + file=$func_stripname_result + func_stripname '' '.exe' "$name" + noexename=$func_stripname_result + # $file with .exe has already been added to rmfiles, + # add $file without .exe + func_append rmfiles " $file" + ;; + esac + # Do a test to see if this is a libtool program. + if func_ltwrapper_p "$file"; then + if func_ltwrapper_executable_p "$file"; then + func_ltwrapper_scriptname "$file" + relink_command= + func_source $func_ltwrapper_scriptname_result + func_append rmfiles " $func_ltwrapper_scriptname_result" + else + relink_command= + func_source $dir/$noexename + fi + + # note $name still contains .exe if it was in $file originally + # as does the version of $file that was added into $rmfiles + func_append rmfiles " $odir/$name $odir/${name}S.$objext" + if test yes = "$fast_install" && test -n "$relink_command"; then + func_append rmfiles " $odir/lt-$name" + fi + if test "X$noexename" != "X$name"; then + func_append rmfiles " $odir/lt-$noexename.c" + fi + fi + fi + ;; + esac + func_show_eval "$RM $rmfiles" 'exit_status=1' + done + + # Try to remove the $objdir's in the directories where we deleted files + for dir in $rmdirs; do + if test -d "$dir"; then + func_show_eval "rmdir $dir >/dev/null 2>&1" + fi + done + + exit $exit_status +} + +if test uninstall = "$opt_mode" || test clean = "$opt_mode"; then + func_mode_uninstall ${1+"$@"} +fi + +test -z "$opt_mode" && { + help=$generic_help + func_fatal_help "you must specify a MODE" +} + +test -z "$exec_cmd" && \ + func_fatal_help "invalid operation mode '$opt_mode'" + +if test -n "$exec_cmd"; then + eval exec "$exec_cmd" + exit $EXIT_FAILURE +fi + +exit $exit_status + + +# The TAGs below are defined such that we never get into a situation +# where we disable both kinds of libraries. Given conflicting +# choices, we go for a static library, that is the most portable, +# since we can't tell whether shared libraries were disabled because +# the user asked for that or because the platform doesn't support +# them. This is particularly important on AIX, because we don't +# support having both static and shared libraries enabled at the same +# time on that platform, so we default to a shared-only configuration. +# If a disable-shared tag is given, we'll fallback to a static-only +# configuration. But we'll never go from static-only to shared-only. + +# ### BEGIN LIBTOOL TAG CONFIG: disable-shared +build_libtool_libs=no +build_old_libs=yes +# ### END LIBTOOL TAG CONFIG: disable-shared + +# ### BEGIN LIBTOOL TAG CONFIG: disable-static +build_old_libs=`case $build_libtool_libs in yes) echo no;; *) echo yes;; esac` +# ### END LIBTOOL TAG CONFIG: disable-static + +# Local Variables: +# mode:shell-script +# sh-indentation:2 +# End: diff --git a/build-aux/missing b/build-aux/missing new file mode 100755 index 0000000..8d0eaad --- /dev/null +++ b/build-aux/missing @@ -0,0 +1,215 @@ +#! /bin/sh +# Common wrapper for a few potentially missing GNU programs. + +scriptversion=2018-03-07.03; # UTC + +# Copyright (C) 1996-2020 Free Software Foundation, Inc. +# Originally written by Fran,cois Pinard , 1996. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +if test $# -eq 0; then + echo 1>&2 "Try '$0 --help' for more information" + exit 1 +fi + +case $1 in + + --is-lightweight) + # Used by our autoconf macros to check whether the available missing + # script is modern enough. + exit 0 + ;; + + --run) + # Back-compat with the calling convention used by older automake. + shift + ;; + + -h|--h|--he|--hel|--help) + echo "\ +$0 [OPTION]... PROGRAM [ARGUMENT]... + +Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due +to PROGRAM being missing or too old. + +Options: + -h, --help display this help and exit + -v, --version output version information and exit + +Supported PROGRAM values: + aclocal autoconf autoheader autom4te automake makeinfo + bison yacc flex lex help2man + +Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and +'g' are ignored when checking the name. + +Send bug reports to ." + exit $? + ;; + + -v|--v|--ve|--ver|--vers|--versi|--versio|--version) + echo "missing $scriptversion (GNU Automake)" + exit $? + ;; + + -*) + echo 1>&2 "$0: unknown '$1' option" + echo 1>&2 "Try '$0 --help' for more information" + exit 1 + ;; + +esac + +# Run the given program, remember its exit status. +"$@"; st=$? + +# If it succeeded, we are done. +test $st -eq 0 && exit 0 + +# Also exit now if we it failed (or wasn't found), and '--version' was +# passed; such an option is passed most likely to detect whether the +# program is present and works. +case $2 in --version|--help) exit $st;; esac + +# Exit code 63 means version mismatch. This often happens when the user +# tries to use an ancient version of a tool on a file that requires a +# minimum version. +if test $st -eq 63; then + msg="probably too old" +elif test $st -eq 127; then + # Program was missing. + msg="missing on your system" +else + # Program was found and executed, but failed. 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Check the 'README' file, it" + echo "often tells you about the needed prerequisites for installing" + echo "this package. You may also peek at any GNU archive site, in" + echo "case some other package contains this missing '$1' program." + ;; + esac +} + +give_advice "$1" | sed -e '1s/^/WARNING: /' \ + -e '2,$s/^/ /' >&2 + +# Propagate the correct exit status (expected to be 127 for a program +# not found, 63 for a program that failed due to version mismatch). +exit $st + +# Local variables: +# eval: (add-hook 'before-save-hook 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC0" +# time-stamp-end: "; # UTC" +# End: diff --git a/build-aux/test-driver b/build-aux/test-driver new file mode 100755 index 0000000..9759384 --- /dev/null +++ b/build-aux/test-driver @@ -0,0 +1,150 @@ +#! /bin/sh +# test-driver - basic testsuite driver script. + +scriptversion=2018-03-07.03; # UTC + +# Copyright (C) 2011-2020 Free Software Foundation, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# This file is maintained in Automake, please report +# bugs to or send patches to +# . + +# Make unconditional expansion of undefined variables an error. This +# helps a lot in preventing typo-related bugs. +set -u + +usage_error () +{ + echo "$0: $*" >&2 + print_usage >&2 + exit 2 +} + +print_usage () +{ + cat <$log_file 2>&1 +estatus=$? + +if test $enable_hard_errors = no && test $estatus -eq 99; then + tweaked_estatus=1 +else + tweaked_estatus=$estatus +fi + +case $tweaked_estatus:$expect_failure in + 0:yes) col=$red res=XPASS recheck=yes gcopy=yes;; + 0:*) col=$grn res=PASS recheck=no gcopy=no;; + 77:*) col=$blu res=SKIP recheck=no gcopy=yes;; + 99:*) col=$mgn res=ERROR recheck=yes gcopy=yes;; + *:yes) col=$lgn res=XFAIL recheck=no gcopy=yes;; + *:*) col=$red res=FAIL recheck=yes gcopy=yes;; +esac + +# Report the test outcome and exit status in the logs, so that one can +# know whether the test passed or failed simply by looking at the '.log' +# file, without the need of also peaking into the corresponding '.trs' +# file (automake bug#11814). +echo "$res $test_name (exit status: $estatus)" >>$log_file + +# Report outcome to console. +echo "${col}${res}${std}: $test_name" + +# Register the test result, and other relevant metadata. +echo ":test-result: $res" > $trs_file +echo ":global-test-result: $res" >> $trs_file +echo ":recheck: $recheck" >> $trs_file +echo ":copy-in-global-log: $gcopy" >> $trs_file + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'before-save-hook 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC0" +# time-stamp-end: "; # UTC" +# End: diff --git a/build-aux/ylwrap b/build-aux/ylwrap new file mode 100755 index 0000000..d153336 --- /dev/null +++ b/build-aux/ylwrap @@ -0,0 +1,247 @@ +#! /bin/sh +# ylwrap - wrapper for lex/yacc invocations. + +scriptversion=2018-03-07.03; # UTC + +# Copyright (C) 1996-2020 Free Software Foundation, Inc. +# +# Written by Tom Tromey . +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# This file is maintained in Automake, please report +# bugs to or send patches to +# . + +get_dirname () +{ + case $1 in + */*|*\\*) printf '%s\n' "$1" | sed -e 's|\([\\/]\)[^\\/]*$|\1|';; + # Otherwise, we want the empty string (not "."). + esac +} + +# guard FILE +# ---------- +# The CPP macro used to guard inclusion of FILE. +guard () +{ + printf '%s\n' "$1" \ + | sed \ + -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \ + -e 's/[^ABCDEFGHIJKLMNOPQRSTUVWXYZ]/_/g' \ + -e 's/__*/_/g' +} + +# quote_for_sed [STRING] +# ---------------------- +# Return STRING (or stdin) quoted to be used as a sed pattern. +quote_for_sed () +{ + case $# in + 0) cat;; + 1) printf '%s\n' "$1";; + esac \ + | sed -e 's|[][\\.*]|\\&|g' +} + +case "$1" in + '') + echo "$0: No files given. Try '$0 --help' for more information." 1>&2 + exit 1 + ;; + --basedir) + basedir=$2 + shift 2 + ;; + -h|--h*) + cat <<\EOF +Usage: ylwrap [--help|--version] INPUT [OUTPUT DESIRED]... -- PROGRAM [ARGS]... + +Wrapper for lex/yacc invocations, renaming files as desired. + + INPUT is the input file + OUTPUT is one file PROG generates + DESIRED is the file we actually want instead of OUTPUT + PROGRAM is program to run + ARGS are passed to PROG + +Any number of OUTPUT,DESIRED pairs may be used. + +Report bugs to . +EOF + exit $? + ;; + -v|--v*) + echo "ylwrap $scriptversion" + exit $? + ;; +esac + + +# The input. +input=$1 +shift +# We'll later need for a correct munging of "#line" directives. +input_sub_rx=`get_dirname "$input" | quote_for_sed` +case $input in + [\\/]* | ?:[\\/]*) + # Absolute path; do nothing. + ;; + *) + # Relative path. Make it absolute. + input=`pwd`/$input + ;; +esac +input_rx=`get_dirname "$input" | quote_for_sed` + +# Since DOS filename conventions don't allow two dots, +# the DOS version of Bison writes out y_tab.c instead of y.tab.c +# and y_tab.h instead of y.tab.h. Test to see if this is the case. +y_tab_nodot=false +if test -f y_tab.c || test -f y_tab.h; then + y_tab_nodot=true +fi + +# The parser itself, the first file, is the destination of the .y.c +# rule in the Makefile. +parser=$1 + +# A sed program to s/FROM/TO/g for all the FROM/TO so that, for +# instance, we rename #include "y.tab.h" into #include "parse.h" +# during the conversion from y.tab.c to parse.c. +sed_fix_filenames= + +# Also rename header guards, as Bison 2.7 for instance uses its header +# guard in its implementation file. +sed_fix_header_guards= + +while test $# -ne 0; do + if test x"$1" = x"--"; then + shift + break + fi + from=$1 + # Handle y_tab.c and y_tab.h output by DOS + if $y_tab_nodot; then + case $from in + "y.tab.c") from=y_tab.c;; + "y.tab.h") from=y_tab.h;; + esac + fi + shift + to=$1 + shift + sed_fix_filenames="${sed_fix_filenames}s|"`quote_for_sed "$from"`"|$to|g;" + sed_fix_header_guards="${sed_fix_header_guards}s|"`guard "$from"`"|"`guard "$to"`"|g;" +done + +# The program to run. +prog=$1 +shift +# Make any relative path in $prog absolute. +case $prog in + [\\/]* | ?:[\\/]*) ;; + *[\\/]*) prog=`pwd`/$prog ;; +esac + +dirname=ylwrap$$ +do_exit="cd '`pwd`' && rm -rf $dirname > /dev/null 2>&1;"' (exit $ret); exit $ret' +trap "ret=129; $do_exit" 1 +trap "ret=130; $do_exit" 2 +trap "ret=141; $do_exit" 13 +trap "ret=143; $do_exit" 15 +mkdir $dirname || exit 1 + +cd $dirname + +case $# in + 0) "$prog" "$input" ;; + *) "$prog" "$@" "$input" ;; +esac +ret=$? + +if test $ret -eq 0; then + for from in * + do + to=`printf '%s\n' "$from" | sed "$sed_fix_filenames"` + if test -f "$from"; then + # If $2 is an absolute path name, then just use that, + # otherwise prepend '../'. + case $to in + [\\/]* | ?:[\\/]*) target=$to;; + *) target=../$to;; + esac + + # Do not overwrite unchanged header files to avoid useless + # recompilations. Always update the parser itself: it is the + # destination of the .y.c rule in the Makefile. Divert the + # output of all other files to a temporary file so we can + # compare them to existing versions. + if test $from != $parser; then + realtarget=$target + target=tmp-`printf '%s\n' "$target" | sed 's|.*[\\/]||g'` + fi + + # Munge "#line" or "#" directives. Don't let the resulting + # debug information point at an absolute srcdir. Use the real + # output file name, not yy.lex.c for instance. 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+ if [ -f "$CONFILE" ]; then + echo "\ +An older Linux-PAM configuration file already exists ($CONFILE)" + WRITE=overwrite + fi + echo -n "\ +Do you wish to copy the $CONF file in this distribution +to $CONFILE ? (y/n) [n] " + read yes +else + yes=n +fi + +if [ "$yes" = "y" ]; then + echo " copying $CONF to $CONFILE" + cp $CONF $CONFILE +else + touch "$IGNORE_AGE" + echo " Skipping $CONF installation" +fi + +echo + +exit 0 diff --git a/conf/md5itall b/conf/md5itall new file mode 100755 index 0000000..b5fecc4 --- /dev/null +++ b/conf/md5itall @@ -0,0 +1,43 @@ +#!/bin/bash +# +# $Id$ +# +# Created by Andrew G. Morgan (morgan@parc.power.net) +# + +MD5SUM=md5sum +CHKFILE1=./.md5sum +CHKFILE2=./.md5sum-new + +which $MD5SUM > /dev/null +result=$? + +if [ -x "$MD5SUM" ] || [ $result -eq 0 ]; then + rm -f $CHKFILE2 + echo -n "computing md5 checksums." + for x in `cat ../.filelist` ; do + (cd ../.. ; $MD5SUM $x) >> $CHKFILE2 + echo -n "." + done + echo + if [ -f "$CHKFILE1" ]; then + echo "\ +---> Note, since the last \`make check', the following file(s) have changed: +===========================================================================" + diff $CHKFILE1 $CHKFILE2 + if [ $? -eq 0 ]; then + echo "\ +--------------------------- Nothing has changed ---------------------------" + fi + echo "\ +===========================================================================" + fi + rm -f "$CHKFILE1" + mv "$CHKFILE2" "$CHKFILE1" + chmod 400 "$CHKFILE1" +else + echo "\ +Please install \`$MD5SUM'. +[It is used to check the integrity of this distribution] +---> no check done." +fi diff --git a/conf/pam.conf b/conf/pam.conf new file mode 100644 index 0000000..4961a0a --- /dev/null +++ b/conf/pam.conf @@ -0,0 +1,120 @@ +# ---------------------------------------------------------------------------# +# /etc/pam.conf # +# # +# Last modified by Andrew G. Morgan # +# ---------------------------------------------------------------------------# +# $Id$ +# ---------------------------------------------------------------------------# +# serv. module ctrl module [path] ...[args..] # +# name type flag # +# ---------------------------------------------------------------------------# +# +# The PAM configuration file for the `chfn' service +# +chfn auth required pam_unix.so +chfn account required pam_unix.so +chfn password required pam_unix.so shadow md5 use_authtok +# +# The PAM configuration file for the `chsh' service +# +chsh auth required pam_unix.so +chsh account required pam_unix.so +chsh password required pam_unix.so shadow md5 use_authtok +# +# The PAM configuration file for the `ftp' service +# +ftp auth requisite pam_listfile.so \ + item=user sense=deny file=/etc/ftpusers onerr=succeed +ftp auth requisite pam_shells.so +ftp auth required pam_unix.so +ftp account required pam_unix.so +# +# The PAM configuration file for the `imap' service +# +imap auth required pam_unix.so +imap account required pam_unix.so +# +# The PAM configuration file for the `login' service +# +login auth requisite pam_securetty.so +login auth required pam_unix.so +login auth optional pam_group.so +login account requisite pam_time.so +login account required pam_unix.so +login password required pam_unix.so shadow md5 use_authtok +login session required pam_unix.so +# +# The PAM configuration file for the `netatalk' service +# +netatalk auth required pam_unix.so +netatalk account required pam_unix.so +# +# The PAM configuration file for the `other' service +# +other auth required pam_deny.so +other auth required pam_warn.so +other account required pam_deny.so +other password required pam_deny.so +other password required pam_warn.so +other session required pam_deny.so +# +# The PAM configuration file for the `passwd' service +# +passwd password required pam_unix.so shadow md5 use_authtok +# +# The PAM configuration file for the `rexec' service +# +rexec auth requisite pam_securetty.so +rexec auth requisite pam_nologin.so +rexec auth sufficient pam_rhosts_auth.so +rexec auth required pam_unix.so +rexec account required pam_unix.so +rexec session required pam_unix.so +rexec session required pam_limits.so +# +# The PAM configuration file for the `rlogin' service +# this application passes control to `login' if it fails +# +rlogin auth requisite pam_securetty.so +rlogin auth requisite pam_nologin.so +rlogin auth required pam_rhosts_auth.so +rlogin account required pam_unix.so +rlogin password required pam_unix.so shadow md5 use_authtok +rlogin session required pam_unix.so +rlogin session required pam_limits.so +# +# The PAM configuration file for the `rsh' service +# +rsh auth requisite pam_securetty.so +rsh auth requisite pam_nologin.so +rsh auth sufficient pam_rhosts_auth.so +rsh auth required pam_unix.so +rsh account required pam_unix.so +rsh session required pam_unix.so +rsh session required pam_limits.so +# +# The PAM configuration file for the `samba' service +# +samba auth required pam_unix.so +samba account required pam_unix.so +# +# The PAM configuration file for the `su' service +# +su auth required pam_wheel.so +su auth sufficient pam_rootok.so +su auth required pam_unix.so +su account required pam_unix.so +su session required pam_unix.so +# +# The PAM configuration file for the `vlock' service +# +vlock auth required pam_unix.so +# +# The PAM configuration file for the `xdm' service +# +xdm auth required pam_unix.so +xdm account required pam_unix.so +# +# The PAM configuration file for the `xlock' service +# +xlock auth required pam_unix.so diff --git a/conf/pam_conv1/Makefile.am b/conf/pam_conv1/Makefile.am new file mode 100644 index 0000000..88993a2 --- /dev/null +++ b/conf/pam_conv1/Makefile.am @@ -0,0 +1,19 @@ +# +# Copyright (c) 2005 Thorsten Kukuk +# + +CLEANFILES = *~ + +EXTRA_DIST = README + +AM_YFLAGS = -d + +AM_CFLAGS = -I$(top_srcdir)/libpam/include $(WARN_CFLAGS) + +pam_conv1_CFLAGS = $(AM_CFLAGS) -Wno-unused-function -Wno-sign-compare + +BUILT_SOURCES = pam_conv_y.h + +noinst_PROGRAMS = pam_conv1 + +pam_conv1_SOURCES = pam_conv_l.l pam_conv_y.y diff --git a/conf/pam_conv1/Makefile.in b/conf/pam_conv1/Makefile.in new file mode 100644 index 0000000..6685d6c --- /dev/null +++ b/conf/pam_conv1/Makefile.in @@ -0,0 +1,752 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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The conversion program takes pam.conf from the standard input and +creates the pam.d/ directory in the current directory. + +The program will fail if ./pam.d/ already exists. + +Andrew Morgan, February 1997 diff --git a/conf/pam_conv1/pam_conv_l.c b/conf/pam_conv1/pam_conv_l.c new file mode 100644 index 0000000..4c8e4da --- /dev/null +++ b/conf/pam_conv1/pam_conv_l.c @@ -0,0 +1,1798 @@ + +#line 3 "pam_conv_l.c" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 6 +#define YY_FLEX_SUBMINOR_VERSION 4 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +/* Feature test macros. Flex uses functions that require a minimum set of + * macros defined. As defining some macros may hide function declarations that + * user code might use, be conservative and respect user's definitions as much + * as possible. In glibc, feature test macros may not be all set up until one + * of the libc header (that includes ) is included. This creates + * a circular dependency when we check the macros. is the safest + * header we can include and does not declare too many functions we don't need. + */ +#if !defined(__GNU_LIBRARY__) && defined(__STDC__) +#include +#endif +#if !(defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ + defined(_POSIX_SOURCE)) +# define _POSIX_C_SOURCE 1 /* Required for fileno() */ +# define _POSIX_SOURCE 1 +#endif +#include +#include +#include +#include + +/* end standard C headers. */ + +/* begin standard C++ headers. */ + +/* flex integer type definitions */ + +#ifndef YYFLEX_INTTYPES_DEFINED +#define YYFLEX_INTTYPES_DEFINED + +/* Prefer C99 integer types if available. */ +# if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L +/* Include and not because Solaris 2.6 has the former + * and not the latter. + */ +#include +# define YYFLEX_USE_STDINT +# else +# if defined(_MSC_VER) && _MSC_VER >= 1600 +/* Visual C++ 2010 does not define __STDC_VERSION__ and has but not + * . + */ +#include +# define YYFLEX_USE_STDINT +# endif +# endif +# ifdef YYFLEX_USE_STDINT +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +# else +typedef unsigned char flex_uint8_t; +typedef short int flex_int16_t; +typedef unsigned short int flex_uint16_t; +# ifdef __STDC__ +typedef signed char flex_int8_t; +/* ISO C only requires at least 16 bits for int. */ +#include +# if UINT_MAX >= 4294967295 +# define YYFLEX_INT32_DEFINED +typedef int flex_int32_t; +typedef unsigned int flex_uint32_t; +# endif +# else +typedef char flex_int8_t; +# endif +# ifndef YYFLEX_INT32_DEFINED +typedef long int flex_int32_t; +typedef unsigned long int flex_uint32_t; +# endif +# endif +#endif /* YYFLEX_INTTYPES_DEFINED */ + +/* TODO: this is always defined, so inline it */ +#define yyconst const + +#if defined(__GNUC__) && __GNUC__ >= 3 +#define yynoreturn __attribute__((__noreturn__)) +#define YY_ATTRIBUTE_UNUSED __attribute__ ((__unused__)) +#else +#define yynoreturn +#define YY_ATTRIBUTE_UNUSED /* __attribute__ ((__unused__)) */ +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an + * integer in range [0..255] for use as an array index. + */ +#define YY_SC_TO_UI(c) ((YY_CHAR) (c)) + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN (yy_start) = 1 + 2 * +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START (((yy_start) - 1) / 2) +#define YYSTATE YY_START +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE yyrestart( yyin ) +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#ifdef __ia64__ +/* On IA-64, the buffer size is 16k, not 8k. + * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case. + * Ditto for the __ia64__ case accordingly. + */ +#define YY_BUF_SIZE 32768 +#else +#define YY_BUF_SIZE 16384 +#endif /* __ia64__ */ +#endif + +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +extern int yyleng; + +extern FILE *yyin, *yyout; + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + #define YY_LESS_LINENO(n) + #define YY_LINENO_REWIND_TO(ptr) + +/* Return all but the first "n" matched characters back to the input stream. */ +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = (yy_hold_char); \ + YY_RESTORE_YY_MORE_OFFSET \ + (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up yytext again */ \ + } \ + while ( 0 ) +#define unput(c) yyunput( c, (yytext_ptr) ) + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + int yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + int yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via yyrestart()), so that the user can continue scanning by + * just pointing yyin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +/* Stack of input buffers. */ +static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ +static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ +static YY_BUFFER_STATE * yy_buffer_stack = NULL; /**< Stack as an array. */ + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + * + * Returns the top of the stack, or NULL. + */ +#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ + ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ + : NULL) +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] + +/* yy_hold_char holds the character lost when yytext is formed. */ +static char yy_hold_char; +static int yy_n_chars; /* number of characters read into yy_ch_buf */ +int yyleng; + +/* Points to current character in buffer. */ +static char *yy_c_buf_p = NULL; +static int yy_init = 0; /* whether we need to initialize */ +static int yy_start = 0; /* start state number */ + +/* Flag which is used to allow yywrap()'s to do buffer switches + * instead of setting up a fresh yyin. A bit of a hack ... + */ +static int yy_did_buffer_switch_on_eof; + +void yyrestart ( FILE *input_file ); +void yy_switch_to_buffer ( YY_BUFFER_STATE new_buffer ); +YY_BUFFER_STATE yy_create_buffer ( FILE *file, int size ); +void yy_delete_buffer ( YY_BUFFER_STATE b ); +void yy_flush_buffer ( YY_BUFFER_STATE b ); +void yypush_buffer_state ( YY_BUFFER_STATE new_buffer ); +void yypop_buffer_state ( void ); + +static void yyensure_buffer_stack ( void ); +static void yy_load_buffer_state ( void ); +static void yy_init_buffer ( YY_BUFFER_STATE b, FILE *file ); +#define YY_FLUSH_BUFFER yy_flush_buffer( YY_CURRENT_BUFFER ) + +YY_BUFFER_STATE yy_scan_buffer ( char *base, yy_size_t size ); +YY_BUFFER_STATE yy_scan_string ( const char *yy_str ); +YY_BUFFER_STATE yy_scan_bytes ( const char *bytes, int len ); + +void *yyalloc ( yy_size_t ); +void *yyrealloc ( void *, yy_size_t ); +void yyfree ( void * ); + +#define yy_new_buffer yy_create_buffer +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer( yyin, YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer( yyin, YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* Begin user sect3 */ + +#define yywrap() (/*CONSTCOND*/1) +#define YY_SKIP_YYWRAP +typedef flex_uint8_t YY_CHAR; + +FILE *yyin = NULL, *yyout = NULL; + +typedef int yy_state_type; + +extern int yylineno; +int yylineno = 1; + +extern char *yytext; +#ifdef yytext_ptr +#undef yytext_ptr +#endif +#define yytext_ptr yytext + +static yy_state_type yy_get_previous_state ( void ); +static yy_state_type yy_try_NUL_trans ( yy_state_type current_state ); +static int yy_get_next_buffer ( void ); +static void yynoreturn yy_fatal_error ( const char* msg ); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up yytext. + */ +#define YY_DO_BEFORE_ACTION \ + (yytext_ptr) = yy_bp; \ + yyleng = (int) (yy_cp - yy_bp); \ + (yy_hold_char) = *yy_cp; \ + *yy_cp = '\0'; \ + (yy_c_buf_p) = yy_cp; +#define YY_NUM_RULES 6 +#define YY_END_OF_BUFFER 7 +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static const flex_int16_t yy_accept[21] = + { 0, + 0, 0, 7, 3, 4, 5, 1, 3, 3, 3, + 4, 1, 1, 1, 3, 2, 3, 1, 1, 0 + } ; + +static const YY_CHAR yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 2, 1, 1, 4, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 5, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1 + } ; + +static const YY_CHAR yy_meta[6] = + { 0, + 1, 2, 3, 1, 1 + } ; + +static const flex_int16_t yy_base[24] = + { 0, + 0, 0, 26, 20, 0, 27, 5, 10, 19, 20, + 0, 0, 0, 15, 0, 27, 0, 0, 0, 27, + 17, 6, 20 + } ; + +static const flex_int16_t yy_def[24] = + { 0, + 20, 1, 20, 21, 22, 20, 20, 20, 21, 8, + 22, 7, 23, 20, 9, 20, 10, 7, 14, 0, + 20, 20, 20 + } ; + +static const flex_int16_t yy_nxt[33] = + { 0, + 4, 5, 6, 7, 8, 12, 13, 11, 12, 14, + 15, 9, 16, 15, 17, 18, 12, 9, 18, 19, + 13, 13, 20, 10, 10, 20, 3, 20, 20, 20, + 20, 20 + } ; + +static const flex_int16_t yy_chk[33] = + { 0, + 1, 1, 1, 1, 1, 7, 7, 22, 7, 7, + 8, 8, 8, 8, 8, 14, 14, 21, 14, 14, + 23, 23, 10, 9, 4, 3, 20, 20, 20, 20, + 20, 20 + } ; + +static yy_state_type yy_last_accepting_state; +static char *yy_last_accepting_cpos; + +extern int yy_flex_debug; +int yy_flex_debug = 0; + +/* The intent behind this definition is that it'll catch + * any uses of REJECT which flex missed. + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +char *yytext; +#line 1 "pam_conv_l.l" +#line 3 "pam_conv_l.l" +/* + * $Id$ + * + * Copyright (c) Andrew G. Morgan 1997 + * + * This file is covered by the Linux-PAM License (which should be + * distributed with this file.) + */ + +#ifdef HAVE_CONFIG_H +# include +#endif + +#include + +#include "pam_conv_y.h" + + extern int current_line; +#line 475 "pam_conv_l.c" +#line 476 "pam_conv_l.c" + +#define INITIAL 0 + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +#include +#endif + +#ifndef YY_EXTRA_TYPE +#define YY_EXTRA_TYPE void * +#endif + +static int yy_init_globals ( void ); + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int yylex_destroy ( void ); + +int yyget_debug ( void ); + +void yyset_debug ( int debug_flag ); + +YY_EXTRA_TYPE yyget_extra ( void ); + +void yyset_extra ( YY_EXTRA_TYPE user_defined ); + +FILE *yyget_in ( void ); + +void yyset_in ( FILE * _in_str ); + +FILE *yyget_out ( void ); + +void yyset_out ( FILE * _out_str ); + + int yyget_leng ( void ); + +char *yyget_text ( void ); + +int yyget_lineno ( void ); + +void yyset_lineno ( int _line_number ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int yywrap ( void ); +#else +extern int yywrap ( void ); +#endif +#endif + +#ifndef YY_NO_UNPUT + + static void yyunput ( int c, char *buf_ptr ); + +#endif + +#ifndef yytext_ptr +static void yy_flex_strncpy ( char *, const char *, int ); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen ( const char * ); +#endif + +#ifndef YY_NO_INPUT +#ifdef __cplusplus +static int yyinput ( void ); +#else +static int input ( void ); +#endif + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#ifdef __ia64__ +/* On IA-64, the buffer size is 16k, not 8k */ +#define YY_READ_BUF_SIZE 16384 +#else +#define YY_READ_BUF_SIZE 8192 +#endif /* __ia64__ */ +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO do { if (fwrite( yytext, (size_t) yyleng, 1, yyout )) {} } while (0) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ + { \ + int c = '*'; \ + int n; \ + for ( n = 0; n < max_size && \ + (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( yyin ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else \ + { \ + errno=0; \ + while ( (result = (int) fread(buf, 1, (yy_size_t) max_size, yyin)) == 0 && ferror(yyin)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(yyin); \ + } \ + }\ +\ + +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) +#endif + +/* end tables serialization structures and prototypes */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int yylex (void); + +#define YY_DECL int yylex (void) +#endif /* !YY_DECL */ + +/* Code executed at the beginning of each rule, after yytext and yyleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK /*LINTED*/break; +#endif + +#define YY_RULE_SETUP \ + YY_USER_ACTION + +/** The main scanner function which does all the work. + */ +YY_DECL +{ + yy_state_type yy_current_state; + char *yy_cp, *yy_bp; + int yy_act; + + if ( !(yy_init) ) + { + (yy_init) = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! (yy_start) ) + (yy_start) = 1; /* first start state */ + + if ( ! yyin ) + yyin = stdin; + + if ( ! yyout ) + yyout = stdout; + + if ( ! YY_CURRENT_BUFFER ) { + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer( yyin, YY_BUF_SIZE ); + } + + yy_load_buffer_state( ); + } + + { +#line 24 "pam_conv_l.l" + + +#line 696 "pam_conv_l.c" + + while ( /*CONSTCOND*/1 ) /* loops until end-of-file is reached */ + { + yy_cp = (yy_c_buf_p); + + /* Support of yytext. */ + *yy_cp = (yy_hold_char); + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = (yy_start); +yy_match: + do + { + YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 21 ) + yy_c = yy_meta[yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; + ++yy_cp; + } + while ( yy_base[yy_current_state] != 27 ); + +yy_find_action: + yy_act = yy_accept[yy_current_state]; + if ( yy_act == 0 ) + { /* have to back up */ + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + yy_act = yy_accept[yy_current_state]; + } + + YY_DO_BEFORE_ACTION; + +do_action: /* This label is used only to access EOF actions. */ + + switch ( yy_act ) + { /* beginning of action switch */ + case 0: /* must back up */ + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = (yy_hold_char); + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + goto yy_find_action; + +case 1: +YY_RULE_SETUP +#line 26 "pam_conv_l.l" +; /* skip comments (sorry) */ + YY_BREAK +case 2: +/* rule 2 can match eol */ +YY_RULE_SETUP +#line 28 "pam_conv_l.l" +{ + ++current_line; +} + YY_BREAK +case 3: +YY_RULE_SETUP +#line 32 "pam_conv_l.l" +{ + return TOK; +} + YY_BREAK +case 4: +YY_RULE_SETUP +#line 36 "pam_conv_l.l" +; /* Ignore */ + YY_BREAK +case YY_STATE_EOF(INITIAL): +#line 38 "pam_conv_l.l" +{ + return EOFILE; +} + YY_BREAK +case 5: +/* rule 5 can match eol */ +YY_RULE_SETUP +#line 42 "pam_conv_l.l" +{ + ++current_line; + return NL; +} + YY_BREAK +case 6: +YY_RULE_SETUP +#line 47 "pam_conv_l.l" +ECHO; + YY_BREAK +#line 798 "pam_conv_l.c" + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = (yy_hold_char); + YY_RESTORE_YY_MORE_OFFSET + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed yyin at a new source and called + * yylex(). If so, then we have to assure + * consistency between YY_CURRENT_BUFFER and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state ); + + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++(yy_c_buf_p); + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = (yy_c_buf_p); + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_END_OF_FILE: + { + (yy_did_buffer_switch_on_eof) = 0; + + if ( yywrap( ) ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * yytext, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = + (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + (yy_c_buf_p) = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ + } /* end of user's declarations */ +} /* end of yylex */ + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ +static int yy_get_next_buffer (void) +{ + char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + char *source = (yytext_ptr); + int number_to_move, i; + int ret_val; + + if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr) - 1); + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; + + else + { + int num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ + + /* just a shorter name for the current buffer */ + YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE; + + int yy_c_buf_p_offset = + (int) ((yy_c_buf_p) - b->yy_ch_buf); + + if ( b->yy_is_our_buffer ) + { + int new_size = b->yy_buf_size * 2; + + if ( new_size <= 0 ) + b->yy_buf_size += b->yy_buf_size / 8; + else + b->yy_buf_size *= 2; + + b->yy_ch_buf = (char *) + /* Include room in for 2 EOB chars. */ + yyrealloc( (void *) b->yy_ch_buf, + (yy_size_t) (b->yy_buf_size + 2) ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = NULL; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; + + num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - + number_to_move - 1; + + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + (yy_n_chars), num_to_read ); + + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + if ( (yy_n_chars) == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + yyrestart( yyin ); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + if (((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { + /* Extend the array by 50%, plus the number we really need. */ + int new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc( + (void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf, (yy_size_t) new_size ); + if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); + /* "- 2" to take care of EOB's */ + YY_CURRENT_BUFFER_LVALUE->yy_buf_size = (int) (new_size - 2); + } + + (yy_n_chars) += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; + + (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; + + return ret_val; +} + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + + static yy_state_type yy_get_previous_state (void) +{ + yy_state_type yy_current_state; + char *yy_cp; + + yy_current_state = (yy_start); + + for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) + { + YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 21 ) + yy_c = yy_meta[yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; + } + + return yy_current_state; +} + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) +{ + int yy_is_jam; + char *yy_cp = (yy_c_buf_p); + + YY_CHAR yy_c = 1; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 21 ) + yy_c = yy_meta[yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; + yy_is_jam = (yy_current_state == 20); + + return yy_is_jam ? 0 : yy_current_state; +} + +#ifndef YY_NO_UNPUT + + static void yyunput (int c, char * yy_bp ) +{ + char *yy_cp; + + yy_cp = (yy_c_buf_p); + + /* undo effects of setting up yytext */ + *yy_cp = (yy_hold_char); + + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) + { /* need to shift things up to make room */ + /* +2 for EOB chars. */ + int number_to_move = (yy_n_chars) + 2; + char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[ + YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2]; + char *source = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]; + + while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + *--dest = *--source; + + yy_cp += (int) (dest - source); + yy_bp += (int) (dest - source); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = + (yy_n_chars) = (int) YY_CURRENT_BUFFER_LVALUE->yy_buf_size; + + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) + YY_FATAL_ERROR( "flex scanner push-back overflow" ); + } + + *--yy_cp = (char) c; + + (yytext_ptr) = yy_bp; + (yy_hold_char) = *yy_cp; + (yy_c_buf_p) = yy_cp; +} + +#endif + +#ifndef YY_NO_INPUT +#ifdef __cplusplus + static int yyinput (void) +#else + static int input (void) +#endif + +{ + int c; + + *(yy_c_buf_p) = (yy_hold_char); + + if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + /* This was really a NUL. */ + *(yy_c_buf_p) = '\0'; + + else + { /* need more input */ + int offset = (int) ((yy_c_buf_p) - (yytext_ptr)); + ++(yy_c_buf_p); + + switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + yyrestart( yyin ); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( yywrap( ) ) + return 0; + + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(); +#else + return input(); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = (yytext_ptr) + offset; + break; + } + } + } + + c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ + *(yy_c_buf_p) = '\0'; /* preserve yytext */ + (yy_hold_char) = *++(yy_c_buf_p); + + return c; +} +#endif /* ifndef YY_NO_INPUT */ + +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * + * @note This function does not reset the start condition to @c INITIAL . + */ + void yyrestart (FILE * input_file ) +{ + + if ( ! YY_CURRENT_BUFFER ){ + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer( yyin, YY_BUF_SIZE ); + } + + yy_init_buffer( YY_CURRENT_BUFFER, input_file ); + yy_load_buffer_state( ); +} + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * + */ + void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) +{ + + /* TODO. We should be able to replace this entire function body + * with + * yypop_buffer_state(); + * yypush_buffer_state(new_buffer); + */ + yyensure_buffer_stack (); + if ( YY_CURRENT_BUFFER == new_buffer ) + return; + + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + YY_CURRENT_BUFFER_LVALUE = new_buffer; + yy_load_buffer_state( ); + + /* We don't actually know whether we did this switch during + * EOF (yywrap()) processing, but the only time this flag + * is looked at is after yywrap() is called, so it's safe + * to go ahead and always set it. + */ + (yy_did_buffer_switch_on_eof) = 1; +} + +static void yy_load_buffer_state (void) +{ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; + (yy_hold_char) = *(yy_c_buf_p); +} + +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * + * @return the allocated buffer state. + */ + YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) yyalloc( (yy_size_t) (b->yy_buf_size + 2) ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_is_our_buffer = 1; + + yy_init_buffer( b, file ); + + return b; +} + +/** Destroy the buffer. + * @param b a buffer created with yy_create_buffer() + * + */ + void yy_delete_buffer (YY_BUFFER_STATE b ) +{ + + if ( ! b ) + return; + + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + yyfree( (void *) b->yy_ch_buf ); + + yyfree( (void *) b ); +} + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a yyrestart() or at EOF. + */ + static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) + +{ + int oerrno = errno; + + yy_flush_buffer( b ); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then yy_init_buffer was _probably_ + * called from yyrestart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } + + b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; + + errno = oerrno; +} + +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * + */ + void yy_flush_buffer (YY_BUFFER_STATE b ) +{ + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == YY_CURRENT_BUFFER ) + yy_load_buffer_state( ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * + */ +void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) +{ + if (new_buffer == NULL) + return; + + yyensure_buffer_stack(); + + /* This block is copied from yy_switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + (yy_buffer_stack_top)++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from yy_switch_to_buffer. */ + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * + */ +void yypop_buffer_state (void) +{ + if (!YY_CURRENT_BUFFER) + return; + + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + if ((yy_buffer_stack_top) > 0) + --(yy_buffer_stack_top); + + if (YY_CURRENT_BUFFER) { + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; + } +} + +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void yyensure_buffer_stack (void) +{ + yy_size_t num_to_alloc; + + if (!(yy_buffer_stack)) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; /* After all that talk, this was set to 1 anyways... */ + (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); + + memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + (yy_buffer_stack_max) = num_to_alloc; + (yy_buffer_stack_top) = 0; + return; + } + + if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + yy_size_t grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = (yy_buffer_stack_max) + grow_size; + (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc + ((yy_buffer_stack), + num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); + + /* zero only the new slots.*/ + memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); + (yy_buffer_stack_max) = num_to_alloc; + } +} + +/** Setup the input buffer state to scan directly from a user-specified character buffer. + * @param base the character buffer + * @param size the size in bytes of the character buffer + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size ) +{ + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return NULL; + + b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); + + b->yy_buf_size = (int) (size - 2); /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = NULL; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + yy_switch_to_buffer( b ); + + return b; +} + +/** Setup the input buffer state to scan a string. The next call to yylex() will + * scan from a @e copy of @a str. + * @param yystr a NUL-terminated string to scan + * + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * yy_scan_bytes() instead. + */ +YY_BUFFER_STATE yy_scan_string (const char * yystr ) +{ + + return yy_scan_bytes( yystr, (int) strlen(yystr) ); +} + +/** Setup the input buffer state to scan the given bytes. The next call to yylex() will + * scan from a @e copy of @a bytes. + * @param yybytes the byte buffer to scan + * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_bytes (const char * yybytes, int _yybytes_len ) +{ + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + int i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = (yy_size_t) (_yybytes_len + 2); + buf = (char *) yyalloc( n ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); + + for ( i = 0; i < _yybytes_len; ++i ) + buf[i] = yybytes[i]; + + buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; + + b = yy_scan_buffer( buf, n ); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; +} + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +static void yynoreturn yy_fatal_error (const char* msg YY_ATTRIBUTE_UNUSED) +{ + fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + yytext[yyleng] = (yy_hold_char); \ + (yy_c_buf_p) = yytext + yyless_macro_arg; \ + (yy_hold_char) = *(yy_c_buf_p); \ + *(yy_c_buf_p) = '\0'; \ + yyleng = yyless_macro_arg; \ + } \ + while ( 0 ) + +/* Accessor methods (get/set functions) to struct members. */ + +/** Get the current line number. + * + */ +int yyget_lineno (void) +{ + + return yylineno; +} + +/** Get the input stream. + * + */ +FILE *yyget_in (void) +{ + return yyin; +} + +/** Get the output stream. + * + */ +FILE *yyget_out (void) +{ + return yyout; +} + +/** Get the length of the current token. + * + */ +int yyget_leng (void) +{ + return yyleng; +} + +/** Get the current token. + * + */ + +char *yyget_text (void) +{ + return yytext; +} + +/** Set the current line number. + * @param _line_number line number + * + */ +void yyset_lineno (int _line_number ) +{ + + yylineno = _line_number; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param _in_str A readable stream. + * + * @see yy_switch_to_buffer + */ +void yyset_in (FILE * _in_str ) +{ + yyin = _in_str ; +} + +void yyset_out (FILE * _out_str ) +{ + yyout = _out_str ; +} + +int yyget_debug (void) +{ + return yy_flex_debug; +} + +void yyset_debug (int _bdebug ) +{ + yy_flex_debug = _bdebug ; +} + +static int yy_init_globals (void) +{ + /* Initialization is the same as for the non-reentrant scanner. + * This function is called from yylex_destroy(), so don't allocate here. + */ + + (yy_buffer_stack) = NULL; + (yy_buffer_stack_top) = 0; + (yy_buffer_stack_max) = 0; + (yy_c_buf_p) = NULL; + (yy_init) = 0; + (yy_start) = 0; + +/* Defined in main.c */ +#ifdef YY_STDINIT + yyin = stdin; + yyout = stdout; +#else + yyin = NULL; + yyout = NULL; +#endif + + /* For future reference: Set errno on error, since we are called by + * yylex_init() + */ + return 0; +} + +/* yylex_destroy is for both reentrant and non-reentrant scanners. */ +int yylex_destroy (void) +{ + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + yy_delete_buffer( YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + yypop_buffer_state(); + } + + /* Destroy the stack itself. */ + yyfree((yy_buffer_stack) ); + (yy_buffer_stack) = NULL; + + /* Reset the globals. This is important in a non-reentrant scanner so the next time + * yylex() is called, initialization will occur. */ + yy_init_globals( ); + + return 0; +} + +/* + * Internal utility routines. + */ + +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, const char * s2, int n YY_ATTRIBUTE_UNUSED) +{ + int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (const char * s YY_ATTRIBUTE_UNUSED) +{ + int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +void *yyalloc (yy_size_t size YY_ATTRIBUTE_UNUSED) +{ + return malloc(size); +} + +void *yyrealloc (void * ptr, yy_size_t size YY_ATTRIBUTE_UNUSED) +{ + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return realloc(ptr, size); +} + +void yyfree (void * ptr YY_ATTRIBUTE_UNUSED) +{ + free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ +} + +#line 47 "pam_conv_l.l" + + diff --git a/conf/pam_conv1/pam_conv_l.l b/conf/pam_conv1/pam_conv_l.l new file mode 100644 index 0000000..2d97347 --- /dev/null +++ b/conf/pam_conv1/pam_conv_l.l @@ -0,0 +1,47 @@ + +%{ +/* + * $Id$ + * + * Copyright (c) Andrew G. Morgan 1997 + * + * This file is covered by the Linux-PAM License (which should be + * distributed with this file.) + */ + +#ifdef HAVE_CONFIG_H +# include +#endif + +#include + +#include "pam_conv_y.h" + + extern int current_line; +%} + +%option noyywrap +%% + +"#"[^\n]* ; /* skip comments (sorry) */ + +"\\\n" { + ++current_line; +} + +([^\n\t ]|[\\][^\n])+ { + return TOK; +} + +[ \t]+ ; /* Ignore */ + +<> { + return EOFILE; +} + +[\n] { + ++current_line; + return NL; +} + +%% diff --git a/conf/pam_conv1/pam_conv_y.c b/conf/pam_conv1/pam_conv_y.c new file mode 100644 index 0000000..519307c --- /dev/null +++ b/conf/pam_conv1/pam_conv_y.c @@ -0,0 +1,1535 @@ +/* A Bison parser, made by GNU Bison 3.7.6. */ + +/* Bison implementation for Yacc-like parsers in C + + Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 Free Software Foundation, + Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* C LALR(1) parser skeleton written by Richard Stallman, by + simplifying the original so-called "semantic" parser. */ + +/* DO NOT RELY ON FEATURES THAT ARE NOT DOCUMENTED in the manual, + especially those whose name start with YY_ or yy_. They are + private implementation details that can be changed or removed. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +/* Identify Bison output, and Bison version. */ +#define YYBISON 30706 + +/* Bison version string. */ +#define YYBISON_VERSION "3.7.6" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 0 + +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + + + + +/* First part of user prologue. */ +#line 1 "pam_conv_y.y" + + +/* + * $Id$ + * + * Copyright (c) Andrew G. Morgan 1997 + * + * This file is covered by the Linux-PAM License (which should be + * distributed with this file.) + */ + +#ifdef HAVE_CONFIG_H +# include +#endif + +#include +#include +#include +#include +#include +#include + +#include + + extern int yylex(void); + + int current_line=1; + extern char *yytext; + +/* XXX - later we'll change this to be the specific conf file(s) */ +#define newpamf stderr + +#define PAM_D "./pam.d" +#define PAM_D_MODE 0755 +#define PAM_D_MAGIC_HEADER \ + "#%%PAM-1.0\n" \ + "#[For version 1.0 syntax, the above header is optional]\n" + +#define PAM_D_FILE_FMT PAM_D "/%s" + + const char *old_to_new_ctrl_flag(const char *old); + void yyerror(const char *format, ...); + +#line 115 "pam_conv_y.c" + +# ifndef YY_CAST +# ifdef __cplusplus +# define YY_CAST(Type, Val) static_cast (Val) +# define YY_REINTERPRET_CAST(Type, Val) reinterpret_cast (Val) +# else +# define YY_CAST(Type, Val) ((Type) (Val)) +# define YY_REINTERPRET_CAST(Type, Val) ((Type) (Val)) +# endif +# endif +# ifndef YY_NULLPTR +# if defined __cplusplus +# if 201103L <= __cplusplus +# define YY_NULLPTR nullptr +# else +# define YY_NULLPTR 0 +# endif +# else +# define YY_NULLPTR ((void*)0) +# endif +# endif + +/* Use api.header.include to #include this header + instead of duplicating it here. */ +#ifndef YY_YY_PAM_CONV_Y_H_INCLUDED +# define YY_YY_PAM_CONV_Y_H_INCLUDED +/* Debug traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif +#if YYDEBUG +extern int yydebug; +#endif + +/* Token kinds. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + enum yytokentype + { + YYEMPTY = -2, + YYEOF = 0, /* "end of file" */ + YYerror = 256, /* error */ + YYUNDEF = 257, /* "invalid token" */ + NL = 258, /* NL */ + EOFILE = 259, /* EOFILE */ + TOK = 260 /* TOK */ + }; + typedef enum yytokentype yytoken_kind_t; +#endif +/* Token kinds. */ +#define YYEMPTY -2 +#define YYEOF 0 +#define YYerror 256 +#define YYUNDEF 257 +#define NL 258 +#define EOFILE 259 +#define TOK 260 + +/* Value type. */ +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +union YYSTYPE +{ +#line 45 "pam_conv_y.y" + + int def; + char *string; + +#line 183 "pam_conv_y.c" + +}; +typedef union YYSTYPE YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 +# define YYSTYPE_IS_DECLARED 1 +#endif + + +extern YYSTYPE yylval; + +int yyparse (void); + +#endif /* !YY_YY_PAM_CONV_Y_H_INCLUDED */ +/* Symbol kind. */ +enum yysymbol_kind_t +{ + YYSYMBOL_YYEMPTY = -2, + YYSYMBOL_YYEOF = 0, /* "end of file" */ + YYSYMBOL_YYerror = 1, /* error */ + YYSYMBOL_YYUNDEF = 2, /* "invalid token" */ + YYSYMBOL_NL = 3, /* NL */ + YYSYMBOL_EOFILE = 4, /* EOFILE */ + YYSYMBOL_TOK = 5, /* TOK */ + YYSYMBOL_YYACCEPT = 6, /* $accept */ + YYSYMBOL_complete = 7, /* complete */ + YYSYMBOL_line = 8, /* line */ + YYSYMBOL_tokenls = 9, /* tokenls */ + YYSYMBOL_path = 10, /* path */ + YYSYMBOL_tok = 11 /* tok */ +}; +typedef enum yysymbol_kind_t yysymbol_kind_t; + + + + +#ifdef short +# undef short +#endif + +/* On compilers that do not define __PTRDIFF_MAX__ etc., make sure + and (if available) are included + so that the code can choose integer types of a good width. */ + +#ifndef __PTRDIFF_MAX__ +# include /* INFRINGES ON USER NAME SPACE */ +# if defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__ +# include /* INFRINGES ON USER NAME SPACE */ +# define YY_STDINT_H +# endif +#endif + +/* Narrow types that promote to a signed type and that can represent a + signed or unsigned integer of at least N bits. In tables they can + save space and decrease cache pressure. Promoting to a signed type + helps avoid bugs in integer arithmetic. */ + +#ifdef __INT_LEAST8_MAX__ +typedef __INT_LEAST8_TYPE__ yytype_int8; +#elif defined YY_STDINT_H +typedef int_least8_t yytype_int8; +#else +typedef signed char yytype_int8; +#endif + +#ifdef __INT_LEAST16_MAX__ +typedef __INT_LEAST16_TYPE__ yytype_int16; +#elif defined YY_STDINT_H +typedef int_least16_t yytype_int16; +#else +typedef short yytype_int16; +#endif + +/* Work around bug in HP-UX 11.23, which defines these macros + incorrectly for preprocessor constants. This workaround can likely + be removed in 2023, as HPE has promised support for HP-UX 11.23 + (aka HP-UX 11i v2) only through the end of 2022; see Table 2 of + . */ +#ifdef __hpux +# undef UINT_LEAST8_MAX +# undef UINT_LEAST16_MAX +# define UINT_LEAST8_MAX 255 +# define UINT_LEAST16_MAX 65535 +#endif + +#if defined __UINT_LEAST8_MAX__ && __UINT_LEAST8_MAX__ <= __INT_MAX__ +typedef __UINT_LEAST8_TYPE__ yytype_uint8; +#elif (!defined __UINT_LEAST8_MAX__ && defined YY_STDINT_H \ + && UINT_LEAST8_MAX <= INT_MAX) +typedef uint_least8_t yytype_uint8; +#elif !defined __UINT_LEAST8_MAX__ && UCHAR_MAX <= INT_MAX +typedef unsigned char yytype_uint8; +#else +typedef short yytype_uint8; +#endif + +#if defined __UINT_LEAST16_MAX__ && __UINT_LEAST16_MAX__ <= __INT_MAX__ +typedef __UINT_LEAST16_TYPE__ yytype_uint16; +#elif (!defined __UINT_LEAST16_MAX__ && defined YY_STDINT_H \ + && UINT_LEAST16_MAX <= INT_MAX) +typedef uint_least16_t yytype_uint16; +#elif !defined __UINT_LEAST16_MAX__ && USHRT_MAX <= INT_MAX +typedef unsigned short yytype_uint16; +#else +typedef int yytype_uint16; +#endif + +#ifndef YYPTRDIFF_T +# if defined __PTRDIFF_TYPE__ && defined __PTRDIFF_MAX__ +# define YYPTRDIFF_T __PTRDIFF_TYPE__ +# define YYPTRDIFF_MAXIMUM __PTRDIFF_MAX__ +# elif defined PTRDIFF_MAX +# ifndef ptrdiff_t +# include /* INFRINGES ON USER NAME SPACE */ +# endif +# define YYPTRDIFF_T ptrdiff_t +# define YYPTRDIFF_MAXIMUM PTRDIFF_MAX +# else +# define YYPTRDIFF_T long +# define YYPTRDIFF_MAXIMUM LONG_MAX +# endif +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__ +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned +# endif +#endif + +#define YYSIZE_MAXIMUM \ + YY_CAST (YYPTRDIFF_T, \ + (YYPTRDIFF_MAXIMUM < YY_CAST (YYSIZE_T, -1) \ + ? YYPTRDIFF_MAXIMUM \ + : YY_CAST (YYSIZE_T, -1))) + +#define YYSIZEOF(X) YY_CAST (YYPTRDIFF_T, sizeof (X)) + + +/* Stored state numbers (used for stacks). */ +typedef yytype_int8 yy_state_t; + +/* State numbers in computations. */ +typedef int yy_state_fast_t; + +#ifndef YY_ +# if defined YYENABLE_NLS && YYENABLE_NLS +# if ENABLE_NLS +# include /* INFRINGES ON USER NAME SPACE */ +# define YY_(Msgid) dgettext ("bison-runtime", Msgid) +# endif +# endif +# ifndef YY_ +# define YY_(Msgid) Msgid +# endif +#endif + + +#ifndef YY_ATTRIBUTE_PURE +# if defined __GNUC__ && 2 < __GNUC__ + (96 <= __GNUC_MINOR__) +# define YY_ATTRIBUTE_PURE __attribute__ ((__pure__)) +# else +# define YY_ATTRIBUTE_PURE +# endif +#endif + +#ifndef YY_ATTRIBUTE_UNUSED +# if defined __GNUC__ && 2 < __GNUC__ + (7 <= __GNUC_MINOR__) +# define YY_ATTRIBUTE_UNUSED __attribute__ ((__unused__)) +# else +# define YY_ATTRIBUTE_UNUSED +# endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YY_USE(E) ((void) (E)) +#else +# define YY_USE(E) /* empty */ +#endif + +#if defined __GNUC__ && ! defined __ICC && 407 <= __GNUC__ * 100 + __GNUC_MINOR__ +/* Suppress an incorrect diagnostic about yylval being uninitialized. */ +# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \ + _Pragma ("GCC diagnostic push") \ + _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"") \ + _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"") +# define YY_IGNORE_MAYBE_UNINITIALIZED_END \ + _Pragma ("GCC diagnostic pop") +#else +# define YY_INITIAL_VALUE(Value) Value +#endif +#ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN +# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN +# define YY_IGNORE_MAYBE_UNINITIALIZED_END +#endif +#ifndef YY_INITIAL_VALUE +# define YY_INITIAL_VALUE(Value) /* Nothing. */ +#endif + +#if defined __cplusplus && defined __GNUC__ && ! defined __ICC && 6 <= __GNUC__ +# define YY_IGNORE_USELESS_CAST_BEGIN \ + _Pragma ("GCC diagnostic push") \ + _Pragma ("GCC diagnostic ignored \"-Wuseless-cast\"") +# define YY_IGNORE_USELESS_CAST_END \ + _Pragma ("GCC diagnostic pop") +#endif +#ifndef YY_IGNORE_USELESS_CAST_BEGIN +# define YY_IGNORE_USELESS_CAST_BEGIN +# define YY_IGNORE_USELESS_CAST_END +#endif + + +#define YY_ASSERT(E) ((void) (0 && (E))) + +#if !defined yyoverflow + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# elif defined __BUILTIN_VA_ARG_INCR +# include /* INFRINGES ON USER NAME SPACE */ +# elif defined _AIX +# define YYSTACK_ALLOC __alloca +# elif defined _MSC_VER +# include /* INFRINGES ON USER NAME SPACE */ +# define alloca _alloca +# else +# define YYSTACK_ALLOC alloca +# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS +# include /* INFRINGES ON USER NAME SPACE */ + /* Use EXIT_SUCCESS as a witness for stdlib.h. */ +# ifndef EXIT_SUCCESS +# define EXIT_SUCCESS 0 +# endif +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's 'empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ +# endif +# else +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# ifndef YYSTACK_ALLOC_MAXIMUM +# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM +# endif +# if (defined __cplusplus && ! defined EXIT_SUCCESS \ + && ! ((defined YYMALLOC || defined malloc) \ + && (defined YYFREE || defined free))) +# include /* INFRINGES ON USER NAME SPACE */ +# ifndef EXIT_SUCCESS +# define EXIT_SUCCESS 0 +# endif +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if ! defined malloc && ! defined EXIT_SUCCESS +void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifndef YYFREE +# define YYFREE free +# if ! defined free && ! defined EXIT_SUCCESS +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# endif +#endif /* !defined yyoverflow */ + +#if (! defined yyoverflow \ + && (! defined __cplusplus \ + || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + yy_state_t yyss_alloc; + YYSTYPE yyvs_alloc; +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAXIMUM (YYSIZEOF (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# define YYSTACK_BYTES(N) \ + ((N) * (YYSIZEOF (yy_state_t) + YYSIZEOF (YYSTYPE)) \ + + YYSTACK_GAP_MAXIMUM) + +# define YYCOPY_NEEDED 1 + +/* Relocate STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Stack_alloc, Stack) \ + do \ + { \ + YYPTRDIFF_T yynewbytes; \ + YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ + Stack = &yyptr->Stack_alloc; \ + yynewbytes = yystacksize * YYSIZEOF (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / YYSIZEOF (*yyptr); \ + } \ + while (0) + +#endif + +#if defined YYCOPY_NEEDED && YYCOPY_NEEDED +/* Copy COUNT objects from SRC to DST. The source and destination do + not overlap. */ +# ifndef YYCOPY +# if defined __GNUC__ && 1 < __GNUC__ +# define YYCOPY(Dst, Src, Count) \ + __builtin_memcpy (Dst, Src, YY_CAST (YYSIZE_T, (Count)) * sizeof (*(Src))) +# else +# define YYCOPY(Dst, Src, Count) \ + do \ + { \ + YYPTRDIFF_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (Dst)[yyi] = (Src)[yyi]; \ + } \ + while (0) +# endif +# endif +#endif /* !YYCOPY_NEEDED */ + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 2 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 13 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 6 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 6 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 11 +/* YYNSTATES -- Number of states. */ +#define YYNSTATES 17 + +/* YYMAXUTOK -- Last valid token kind. */ +#define YYMAXUTOK 260 + + +/* YYTRANSLATE(TOKEN-NUM) -- Symbol number corresponding to TOKEN-NUM + as returned by yylex, with out-of-bounds checking. */ +#define YYTRANSLATE(YYX) \ + (0 <= (YYX) && (YYX) <= YYMAXUTOK \ + ? YY_CAST (yysymbol_kind_t, yytranslate[YYX]) \ + : YYSYMBOL_YYUNDEF) + +/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM + as returned by yylex. */ +static const yytype_int8 yytranslate[] = +{ + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5 +}; + +#if YYDEBUG + /* YYRLINE[YYN] -- Source line where rule number YYN was defined. */ +static const yytype_uint8 yyrline[] = +{ + 0, 59, 59, 60, 61, 62, 68, 132, 138, 141, + 157, 163 +}; +#endif + +/** Accessing symbol of state STATE. */ +#define YY_ACCESSING_SYMBOL(State) YY_CAST (yysymbol_kind_t, yystos[State]) + +#if YYDEBUG || 0 +/* The user-facing name of the symbol whose (internal) number is + YYSYMBOL. No bounds checking. */ +static const char *yysymbol_name (yysymbol_kind_t yysymbol) YY_ATTRIBUTE_UNUSED; + +/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +static const char *const yytname[] = +{ + "\"end of file\"", "error", "\"invalid token\"", "NL", "EOFILE", "TOK", + "$accept", "complete", "line", "tokenls", "path", "tok", YY_NULLPTR +}; + +static const char * +yysymbol_name (yysymbol_kind_t yysymbol) +{ + return yytname[yysymbol]; +} +#endif + +#ifdef YYPRINT +/* YYTOKNUM[NUM] -- (External) token number corresponding to the + (internal) symbol number NUM (which must be that of a token). */ +static const yytype_int16 yytoknum[] = +{ + 0, 256, 257, 258, 259, 260 +}; +#endif + +#define YYPACT_NINF (-9) + +#define yypact_value_is_default(Yyn) \ + ((Yyn) == YYPACT_NINF) + +#define YYTABLE_NINF (-1) + +#define yytable_value_is_error(Yyn) \ + 0 + + /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +static const yytype_int8 yypact[] = +{ + -9, 4, -9, 7, -9, -9, -9, -9, 6, -9, + 6, 8, -9, -9, -2, -9, -9 +}; + + /* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM. + Performed when YYTABLE does not specify something else to do. Zero + means the default is an error. */ +static const yytype_int8 yydefact[] = +{ + 2, 0, 1, 0, 3, 5, 11, 4, 0, 7, + 0, 0, 10, 8, 0, 6, 9 +}; + + /* YYPGOTO[NTERM-NUM]. */ +static const yytype_int8 yypgoto[] = +{ + -9, -9, -9, -9, -9, -8 +}; + + /* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int8 yydefgoto[] = +{ + 0, 1, 7, 14, 13, 8 +}; + + /* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM. If + positive, shift that token. If negative, reduce the rule whose + number is the opposite. If YYTABLE_NINF, syntax error. */ +static const yytype_int8 yytable[] = +{ + 10, 15, 11, 6, 2, 3, 16, 4, 5, 6, + 9, 6, 0, 12 +}; + +static const yytype_int8 yycheck[] = +{ + 8, 3, 10, 5, 0, 1, 14, 3, 4, 5, + 3, 5, -1, 5 +}; + + /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_int8 yystos[] = +{ + 0, 7, 0, 1, 3, 4, 5, 8, 11, 3, + 11, 11, 5, 10, 9, 3, 11 +}; + + /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_int8 yyr1[] = +{ + 0, 6, 7, 7, 7, 7, 8, 8, 9, 9, + 10, 11 +}; + + /* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN. */ +static const yytype_int8 yyr2[] = +{ + 0, 2, 0, 2, 2, 2, 6, 2, 0, 2, + 1, 1 +}; + + +enum { YYENOMEM = -2 }; + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) + +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrorlab + + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ + do \ + if (yychar == YYEMPTY) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + YYPOPSTACK (yylen); \ + yystate = *yyssp; \ + goto yybackup; \ + } \ + else \ + { \ + yyerror (YY_("syntax error: cannot back up")); \ + YYERROR; \ + } \ + while (0) + +/* Backward compatibility with an undocumented macro. + Use YYerror or YYUNDEF. */ +#define YYERRCODE YYUNDEF + + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (0) + +/* This macro is provided for backward compatibility. */ +# ifndef YY_LOCATION_PRINT +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +# endif + + +# define YY_SYMBOL_PRINT(Title, Kind, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Kind, Value); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (0) + + +/*-----------------------------------. +| Print this symbol's value on YYO. | +`-----------------------------------*/ + +static void +yy_symbol_value_print (FILE *yyo, + yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep) +{ + FILE *yyoutput = yyo; + YY_USE (yyoutput); + if (!yyvaluep) + return; +# ifdef YYPRINT + if (yykind < YYNTOKENS) + YYPRINT (yyo, yytoknum[yykind], *yyvaluep); +# endif + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + YY_USE (yykind); + YY_IGNORE_MAYBE_UNINITIALIZED_END +} + + +/*---------------------------. +| Print this symbol on YYO. | +`---------------------------*/ + +static void +yy_symbol_print (FILE *yyo, + yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep) +{ + YYFPRINTF (yyo, "%s %s (", + yykind < YYNTOKENS ? "token" : "nterm", yysymbol_name (yykind)); + + yy_symbol_value_print (yyo, yykind, yyvaluep); + YYFPRINTF (yyo, ")"); +} + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +static void +yy_stack_print (yy_state_t *yybottom, yy_state_t *yytop) +{ + YYFPRINTF (stderr, "Stack now"); + for (; yybottom <= yytop; yybottom++) + { + int yybot = *yybottom; + YYFPRINTF (stderr, " %d", yybot); + } + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (0) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +static void +yy_reduce_print (yy_state_t *yyssp, YYSTYPE *yyvsp, + int yyrule) +{ + int yylno = yyrline[yyrule]; + int yynrhs = yyr2[yyrule]; + int yyi; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %d):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + YYFPRINTF (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, + YY_ACCESSING_SYMBOL (+yyssp[yyi + 1 - yynrhs]), + &yyvsp[(yyi + 1) - (yynrhs)]); + YYFPRINTF (stderr, "\n"); + } +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (yyssp, yyvsp, Rule); \ +} while (0) + +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) ((void) 0) +# define YY_SYMBOL_PRINT(Title, Kind, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) +#endif /* !YYDEBUG */ + + +/* YYINITDEPTH -- initial size of the parser's stacks. */ +#ifndef YYINITDEPTH +# define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only + if the built-in stack extension method is used). + + Do not make this value too large; the results are undefined if + YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#ifndef YYMAXDEPTH +# define YYMAXDEPTH 10000 +#endif + + + + + + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +static void +yydestruct (const char *yymsg, + yysymbol_kind_t yykind, YYSTYPE *yyvaluep) +{ + YY_USE (yyvaluep); + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yykind, yyvaluep, yylocationp); + + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + YY_USE (yykind); + YY_IGNORE_MAYBE_UNINITIALIZED_END +} + + +/* Lookahead token kind. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; +/* Number of syntax errors so far. */ +int yynerrs; + + + + +/*----------. +| yyparse. | +`----------*/ + +int +yyparse (void) +{ + yy_state_fast_t yystate = 0; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus = 0; + + /* Refer to the stacks through separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* Their size. */ + YYPTRDIFF_T yystacksize = YYINITDEPTH; + + /* The state stack: array, bottom, top. */ + yy_state_t yyssa[YYINITDEPTH]; + yy_state_t *yyss = yyssa; + yy_state_t *yyssp = yyss; + + /* The semantic value stack: array, bottom, top. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs = yyvsa; + YYSTYPE *yyvsp = yyvs; + + int yyn; + /* The return value of yyparse. */ + int yyresult; + /* Lookahead symbol kind. */ + yysymbol_kind_t yytoken = YYSYMBOL_YYEMPTY; + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + + + +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)) + + /* The number of symbols on the RHS of the reduced rule. + Keep to zero when no symbol should be popped. */ + int yylen = 0; + + YYDPRINTF ((stderr, "Starting parse\n")); + + yychar = YYEMPTY; /* Cause a token to be read. */ + goto yysetstate; + + +/*------------------------------------------------------------. +| yynewstate -- push a new state, which is found in yystate. | +`------------------------------------------------------------*/ +yynewstate: + /* In all cases, when you get here, the value and location stacks + have just been pushed. So pushing a state here evens the stacks. */ + yyssp++; + + +/*--------------------------------------------------------------------. +| yysetstate -- set current state (the top of the stack) to yystate. | +`--------------------------------------------------------------------*/ +yysetstate: + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + YY_ASSERT (0 <= yystate && yystate < YYNSTATES); + YY_IGNORE_USELESS_CAST_BEGIN + *yyssp = YY_CAST (yy_state_t, yystate); + YY_IGNORE_USELESS_CAST_END + YY_STACK_PRINT (yyss, yyssp); + + if (yyss + yystacksize - 1 <= yyssp) +#if !defined yyoverflow && !defined YYSTACK_RELOCATE + goto yyexhaustedlab; +#else + { + /* Get the current used size of the three stacks, in elements. */ + YYPTRDIFF_T yysize = yyssp - yyss + 1; + +# if defined yyoverflow + { + /* Give user a chance to reallocate the stack. Use copies of + these so that the &'s don't force the real ones into + memory. */ + yy_state_t *yyss1 = yyss; + YYSTYPE *yyvs1 = yyvs; + + /* Each stack pointer address is followed by the size of the + data in use in that stack, in bytes. This used to be a + conditional around just the two extra args, but that might + be undefined if yyoverflow is a macro. */ + yyoverflow (YY_("memory exhausted"), + &yyss1, yysize * YYSIZEOF (*yyssp), + &yyvs1, yysize * YYSIZEOF (*yyvsp), + &yystacksize); + yyss = yyss1; + yyvs = yyvs1; + } +# else /* defined YYSTACK_RELOCATE */ + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyexhaustedlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + yy_state_t *yyss1 = yyss; + union yyalloc *yyptr = + YY_CAST (union yyalloc *, + YYSTACK_ALLOC (YY_CAST (YYSIZE_T, YYSTACK_BYTES (yystacksize)))); + if (! yyptr) + goto yyexhaustedlab; + YYSTACK_RELOCATE (yyss_alloc, yyss); + YYSTACK_RELOCATE (yyvs_alloc, yyvs); +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + + YY_IGNORE_USELESS_CAST_BEGIN + YYDPRINTF ((stderr, "Stack size increased to %ld\n", + YY_CAST (long, yystacksize))); + YY_IGNORE_USELESS_CAST_END + + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; + } +#endif /* !defined yyoverflow && !defined YYSTACK_RELOCATE */ + + if (yystate == YYFINAL) + YYACCEPT; + + goto yybackup; + + +/*-----------. +| yybackup. | +`-----------*/ +yybackup: + /* Do appropriate processing given the current state. Read a + lookahead token if we need one and don't already have one. */ + + /* First try to decide what to do without reference to lookahead token. */ + yyn = yypact[yystate]; + if (yypact_value_is_default (yyn)) + goto yydefault; + + /* Not known => get a lookahead token if don't already have one. */ + + /* YYCHAR is either empty, or end-of-input, or a valid lookahead. */ + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token\n")); + yychar = yylex (); + } + + if (yychar <= YYEOF) + { + yychar = YYEOF; + yytoken = YYSYMBOL_YYEOF; + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else if (yychar == YYerror) + { + /* The scanner already issued an error message, process directly + to error recovery. But do not keep the error token as + lookahead, it is too special and may lead us to an endless + loop in error recovery. */ + yychar = YYUNDEF; + yytoken = YYSYMBOL_YYerror; + goto yyerrlab1; + } + else + { + yytoken = YYTRANSLATE (yychar); + YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); + } + + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) + goto yydefault; + yyn = yytable[yyn]; + if (yyn <= 0) + { + if (yytable_value_is_error (yyn)) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + /* Shift the lookahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + yystate = yyn; + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + *++yyvsp = yylval; + YY_IGNORE_MAYBE_UNINITIALIZED_END + + /* Discard the shifted token. */ + yychar = YYEMPTY; + goto yynewstate; + + +/*-----------------------------------------------------------. +| yydefault -- do the default action for the current state. | +`-----------------------------------------------------------*/ +yydefault: + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + goto yyreduce; + + +/*-----------------------------. +| yyreduce -- do a reduction. | +`-----------------------------*/ +yyreduce: + /* yyn is the number of a rule to reduce with. */ + yylen = yyr2[yyn]; + + /* If YYLEN is nonzero, implement the default value of the action: + '$$ = $1'. + + Otherwise, the following line sets YYVAL to garbage. + This behavior is undocumented and Bison + users should not rely upon it. Assigning to YYVAL + unconditionally makes the parser a bit smaller, and it avoids a + GCC warning that YYVAL may be used uninitialized. */ + yyval = yyvsp[1-yylen]; + + + YY_REDUCE_PRINT (yyn); + switch (yyn) + { + case 5: /* complete: complete EOFILE */ +#line 62 "pam_conv_y.y" + { + return 0; +} +#line 1175 "pam_conv_y.c" + break; + + case 6: /* line: tok tok tok path tokenls NL */ +#line 68 "pam_conv_y.y" + { + char *filename; + FILE *conf; + int i; + + /* make sure we have lower case */ + for (i=0; (yyvsp[-5].string)[i]; ++i) { + (yyvsp[-5].string)[i] = tolower((yyvsp[-5].string)[i]); + } + + /* $1 = service-name */ + yyerror("Appending to " PAM_D "/%s", (yyvsp[-5].string)); + + filename = malloc(strlen((yyvsp[-5].string)) + sizeof(PAM_D) + 6); + sprintf(filename, PAM_D_FILE_FMT, (yyvsp[-5].string)); + conf = fopen(filename, "r"); + if (conf == NULL) { + /* new file */ + conf = fopen(filename, "w"); + if (conf != NULL) { + fprintf(conf, PAM_D_MAGIC_HEADER); + fprintf(conf, + "#\n" + "# The PAM configuration file for the `%s' service\n" + "#\n", (yyvsp[-5].string)); + } + } else { + fclose(conf); + conf = fopen(filename, "a"); + } + if (conf == NULL) { + yyerror("trouble opening %s - aborting", filename); + exit(1); + } + free(filename); + + /* $2 = module-type */ + fprintf(conf, "%-10s", (yyvsp[-4].string)); + free((yyvsp[-4].string)); + + /* $3 = required etc. */ + { + const char *trans; + + trans = old_to_new_ctrl_flag((yyvsp[-3].string)); + free((yyvsp[-3].string)); + fprintf(conf, " %-10s", trans); + } + + /* $4 = module-path */ + fprintf(conf, " %s", (yyvsp[-2].string)); + free((yyvsp[-2].string)); + + /* $5 = arguments */ + if ((yyvsp[-1].string) != NULL) { + fprintf(conf, " \\\n\t\t%s", (yyvsp[-1].string)); + free((yyvsp[-1].string)); + } + + /* end line */ + fprintf(conf, "\n"); + + fclose(conf); +} +#line 1244 "pam_conv_y.c" + break; + + case 7: /* line: error NL */ +#line 132 "pam_conv_y.y" + { + yyerror("malformed line"); +} +#line 1252 "pam_conv_y.c" + break; + + case 8: /* tokenls: %empty */ +#line 138 "pam_conv_y.y" + { + (yyval.string)=NULL; +} +#line 1260 "pam_conv_y.c" + break; + + case 9: /* tokenls: tokenls tok */ +#line 141 "pam_conv_y.y" + { + int len; + + if ((yyvsp[-1].string)) { + len = strlen((yyvsp[-1].string)) + strlen((yyvsp[0].string)) + 2; + (yyval.string) = malloc(len); + sprintf((yyval.string),"%s %s",(yyvsp[-1].string),(yyvsp[0].string)); + free((yyvsp[-1].string)); + free((yyvsp[0].string)); + } else { + (yyval.string) = (yyvsp[0].string); + } +} +#line 1278 "pam_conv_y.c" + break; + + case 10: /* path: TOK */ +#line 157 "pam_conv_y.y" + { + /* XXX - this could be used to check if file present */ + (yyval.string) = strdup(yytext); +} +#line 1287 "pam_conv_y.c" + break; + + case 11: /* tok: TOK */ +#line 163 "pam_conv_y.y" + { + (yyval.string) = strdup(yytext); +} +#line 1295 "pam_conv_y.c" + break; + + +#line 1299 "pam_conv_y.c" + + default: break; + } + /* User semantic actions sometimes alter yychar, and that requires + that yytoken be updated with the new translation. We take the + approach of translating immediately before every use of yytoken. + One alternative is translating here after every semantic action, + but that translation would be missed if the semantic action invokes + YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or + if it invokes YYBACKUP. In the case of YYABORT or YYACCEPT, an + incorrect destructor might then be invoked immediately. In the + case of YYERROR or YYBACKUP, subsequent parser actions might lead + to an incorrect destructor call or verbose syntax error message + before the lookahead is translated. */ + YY_SYMBOL_PRINT ("-> $$ =", YY_CAST (yysymbol_kind_t, yyr1[yyn]), &yyval, &yyloc); + + YYPOPSTACK (yylen); + yylen = 0; + + *++yyvsp = yyval; + + /* Now 'shift' the result of the reduction. Determine what state + that goes to, based on the state we popped back to and the rule + number reduced by. */ + { + const int yylhs = yyr1[yyn] - YYNTOKENS; + const int yyi = yypgoto[yylhs] + *yyssp; + yystate = (0 <= yyi && yyi <= YYLAST && yycheck[yyi] == *yyssp + ? yytable[yyi] + : yydefgoto[yylhs]); + } + + goto yynewstate; + + +/*--------------------------------------. +| yyerrlab -- here on detecting error. | +`--------------------------------------*/ +yyerrlab: + /* Make sure we have latest lookahead translation. See comments at + user semantic actions for why this is necessary. */ + yytoken = yychar == YYEMPTY ? YYSYMBOL_YYEMPTY : YYTRANSLATE (yychar); + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; + yyerror (YY_("syntax error")); + } + + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + if (yychar <= YYEOF) + { + /* Return failure if at end of input. */ + if (yychar == YYEOF) + YYABORT; + } + else + { + yydestruct ("Error: discarding", + yytoken, &yylval); + yychar = YYEMPTY; + } + } + + /* Else will try to reuse lookahead token after shifting the error + token. */ + goto yyerrlab1; + + +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + /* Pacify compilers when the user code never invokes YYERROR and the + label yyerrorlab therefore never appears in user code. */ + if (0) + YYERROR; + + /* Do not reclaim the symbols of the rule whose action triggered + this YYERROR. */ + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + yystate = *yyssp; + goto yyerrlab1; + + +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ + + /* Pop stack until we find a state that shifts the error token. */ + for (;;) + { + yyn = yypact[yystate]; + if (!yypact_value_is_default (yyn)) + { + yyn += YYSYMBOL_YYerror; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYSYMBOL_YYerror) + { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } + + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; + + + yydestruct ("Error: popping", + YY_ACCESSING_SYMBOL (yystate), yyvsp); + YYPOPSTACK (1); + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); + } + + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + *++yyvsp = yylval; + YY_IGNORE_MAYBE_UNINITIALIZED_END + + + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", YY_ACCESSING_SYMBOL (yyn), yyvsp, yylsp); + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + + +#if !defined yyoverflow +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (YY_("memory exhausted")); + yyresult = 2; + goto yyreturn; +#endif + + +/*-------------------------------------------------------. +| yyreturn -- parsing is finished, clean up and return. | +`-------------------------------------------------------*/ +yyreturn: + if (yychar != YYEMPTY) + { + /* Make sure we have latest lookahead translation. See comments at + user semantic actions for why this is necessary. */ + yytoken = YYTRANSLATE (yychar); + yydestruct ("Cleanup: discarding lookahead", + yytoken, &yylval); + } + /* Do not reclaim the symbols of the rule whose action triggered + this YYABORT or YYACCEPT. */ + YYPOPSTACK (yylen); + YY_STACK_PRINT (yyss, yyssp); + while (yyssp != yyss) + { + yydestruct ("Cleanup: popping", + YY_ACCESSING_SYMBOL (+*yyssp), yyvsp); + YYPOPSTACK (1); + } +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif + + return yyresult; +} + +#line 167 "pam_conv_y.y" + + +const char *old_to_new_ctrl_flag(const char *old) +{ + static const char *clist[] = { + "requisite", + "required", + "sufficient", + "optional", + NULL, + }; + int i; + + for (i=0; clist[i]; ++i) { + if (strcasecmp(clist[i], old) == 0) { + break; + } + } + + return clist[i]; +} + +PAM_FORMAT((printf, 1, 2)) +void yyerror(const char *format, ...) +{ + va_list args; + + fprintf(stderr, "line %d: ", current_line); + va_start(args, format); + vfprintf(stderr, format, args); + va_end(args); + fprintf(stderr, "\n"); +} + +int main(void) +{ + if (mkdir(PAM_D, PAM_D_MODE) != 0) { + yyerror(PAM_D " already exists.. aborting"); + exit(1); + } + yyparse(); + exit(0); +} diff --git a/conf/pam_conv1/pam_conv_y.h b/conf/pam_conv1/pam_conv_y.h new file mode 100644 index 0000000..17bdcea --- /dev/null +++ b/conf/pam_conv1/pam_conv_y.h @@ -0,0 +1,94 @@ +/* A Bison parser, made by GNU Bison 3.7.6. */ + +/* Bison interface for Yacc-like parsers in C + + Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 Free Software Foundation, + Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* DO NOT RELY ON FEATURES THAT ARE NOT DOCUMENTED in the manual, + especially those whose name start with YY_ or yy_. They are + private implementation details that can be changed or removed. */ + +#ifndef YY_YY_PAM_CONV_Y_H_INCLUDED +# define YY_YY_PAM_CONV_Y_H_INCLUDED +/* Debug traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif +#if YYDEBUG +extern int yydebug; +#endif + +/* Token kinds. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + enum yytokentype + { + YYEMPTY = -2, + YYEOF = 0, /* "end of file" */ + YYerror = 256, /* error */ + YYUNDEF = 257, /* "invalid token" */ + NL = 258, /* NL */ + EOFILE = 259, /* EOFILE */ + TOK = 260 /* TOK */ + }; + typedef enum yytokentype yytoken_kind_t; +#endif +/* Token kinds. */ +#define YYEMPTY -2 +#define YYEOF 0 +#define YYerror 256 +#define YYUNDEF 257 +#define NL 258 +#define EOFILE 259 +#define TOK 260 + +/* Value type. */ +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +union YYSTYPE +{ +#line 45 "pam_conv_y.y" + + int def; + char *string; + +#line 82 "pam_conv_y.h" + +}; +typedef union YYSTYPE YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 +# define YYSTYPE_IS_DECLARED 1 +#endif + + +extern YYSTYPE yylval; + +int yyparse (void); + +#endif /* !YY_YY_PAM_CONV_Y_H_INCLUDED */ diff --git a/conf/pam_conv1/pam_conv_y.y b/conf/pam_conv1/pam_conv_y.y new file mode 100644 index 0000000..66d8044 --- /dev/null +++ b/conf/pam_conv1/pam_conv_y.y @@ -0,0 +1,209 @@ +%{ + +/* + * $Id$ + * + * Copyright (c) Andrew G. Morgan 1997 + * + * This file is covered by the Linux-PAM License (which should be + * distributed with this file.) + */ + +#ifdef HAVE_CONFIG_H +# include +#endif + +#include +#include +#include +#include +#include +#include + +#include + + extern int yylex(void); + + int current_line=1; + extern char *yytext; + +/* XXX - later we'll change this to be the specific conf file(s) */ +#define newpamf stderr + +#define PAM_D "./pam.d" +#define PAM_D_MODE 0755 +#define PAM_D_MAGIC_HEADER \ + "#%%PAM-1.0\n" \ + "#[For version 1.0 syntax, the above header is optional]\n" + +#define PAM_D_FILE_FMT PAM_D "/%s" + + const char *old_to_new_ctrl_flag(const char *old); + void yyerror(const char *format, ...); +%} + +%union { + int def; + char *string; +} + +%token NL EOFILE TOK + +%type tok path tokenls + +%start complete + +%% + +complete +: +| complete NL +| complete line +| complete EOFILE { + return 0; +} +; + +line +: tok tok tok path tokenls NL { + char *filename; + FILE *conf; + int i; + + /* make sure we have lower case */ + for (i=0; $1[i]; ++i) { + $1[i] = tolower($1[i]); + } + + /* $1 = service-name */ + yyerror("Appending to " PAM_D "/%s", $1); + + filename = malloc(strlen($1) + sizeof(PAM_D) + 6); + sprintf(filename, PAM_D_FILE_FMT, $1); + conf = fopen(filename, "r"); + if (conf == NULL) { + /* new file */ + conf = fopen(filename, "w"); + if (conf != NULL) { + fprintf(conf, PAM_D_MAGIC_HEADER); + fprintf(conf, + "#\n" + "# The PAM configuration file for the `%s' service\n" + "#\n", $1); + } + } else { + fclose(conf); + conf = fopen(filename, "a"); + } + if (conf == NULL) { + yyerror("trouble opening %s - aborting", filename); + exit(1); + } + free(filename); + + /* $2 = module-type */ + fprintf(conf, "%-10s", $2); + free($2); + + /* $3 = required etc. */ + { + const char *trans; + + trans = old_to_new_ctrl_flag($3); + free($3); + fprintf(conf, " %-10s", trans); + } + + /* $4 = module-path */ + fprintf(conf, " %s", $4); + free($4); + + /* $5 = arguments */ + if ($5 != NULL) { + fprintf(conf, " \\\n\t\t%s", $5); + free($5); + } + + /* end line */ + fprintf(conf, "\n"); + + fclose(conf); +} +| error NL { + yyerror("malformed line"); +} +; + +tokenls +: { + $$=NULL; +} +| tokenls tok { + int len; + + if ($1) { + len = strlen($1) + strlen($2) + 2; + $$ = malloc(len); + sprintf($$,"%s %s",$1,$2); + free($1); + free($2); + } else { + $$ = $2; + } +} +; + +path +: TOK { + /* XXX - this could be used to check if file present */ + $$ = strdup(yytext); +} + +tok +: TOK { + $$ = strdup(yytext); +} + +%% + +const char *old_to_new_ctrl_flag(const char *old) +{ + static const char *clist[] = { + "requisite", + "required", + "sufficient", + "optional", + NULL, + }; + int i; + + for (i=0; clist[i]; ++i) { + if (strcasecmp(clist[i], old) == 0) { + break; + } + } + + return clist[i]; +} + +PAM_FORMAT((printf, 1, 2)) +void yyerror(const char *format, ...) +{ + va_list args; + + fprintf(stderr, "line %d: ", current_line); + va_start(args, format); + vfprintf(stderr, format, args); + va_end(args); + fprintf(stderr, "\n"); +} + +int main(void) +{ + if (mkdir(PAM_D, PAM_D_MODE) != 0) { + yyerror(PAM_D " already exists.. aborting"); + exit(1); + } + yyparse(); + exit(0); +} diff --git a/config.h.in b/config.h.in new file mode 100644 index 0000000..89cf309 --- /dev/null +++ b/config.h.in @@ -0,0 +1,466 @@ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* Define if building universal (internal helper macro) */ +#undef AC_APPLE_UNIVERSAL_BUILD + +/* Defines the value usergroups option should have by default */ +#undef DEFAULT_USERGROUPS_SETTING + +/* Define to 1 if translation of program messages to the user's native + language is requested. */ +#undef ENABLE_NLS + +/* Define to the type of elements in the array set by `getgroups'. Usually + this is either `int' or `gid_t'. */ +#undef GETGROUPS_T + +/* Define to 1 if you have the Mac OS X function CFLocaleCopyCurrent in the + CoreFoundation framework. */ +#undef HAVE_CFLOCALECOPYCURRENT + +/* Define to 1 if you have the Mac OS X function CFPreferencesCopyAppValue in + the CoreFoundation framework. */ +#undef HAVE_CFPREFERENCESCOPYAPPVALUE + +/* Define to 1 if you have the header file. */ +#undef HAVE_CRYPT_H + +/* Define to 1 if you have the `crypt_r' function. */ +#undef HAVE_CRYPT_R + +/* Define to 1 if you have the `dbm_store' function. */ +#undef HAVE_DBM_STORE + +/* Define to 1 if you have the `db_create' function. */ +#undef HAVE_DB_CREATE + +/* Define to 1 if you have the header file. */ +#undef HAVE_DB_H + +/* Define if the GNU dcgettext() function is already present or preinstalled. + */ +#undef HAVE_DCGETTEXT + +/* Define to 1 if you have the declaration of `getrpcport', and to 0 if you + don't. */ +#undef HAVE_DECL_GETRPCPORT + +/* Define to 1 if you have the header file, and it defines `DIR'. + */ +#undef HAVE_DIRENT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_DLFCN_H + +/* Define to 1 if you have the `dngettext' function. */ +#undef HAVE_DNGETTEXT + +/* Define to 1 if you don't have `vprintf' but do have `_doprnt.' */ +#undef HAVE_DOPRNT + +/* Define to 1 if you have the header file. */ +#undef HAVE_FCNTL_H + +/* Define to 1 if you have the `fseeko' function. */ +#undef HAVE_FSEEKO + +/* Define to 1 if you have the `getdelim' function. */ +#undef HAVE_GETDELIM + +/* Define to 1 if you have the `getdomainname' function. */ +#undef HAVE_GETDOMAINNAME + +/* Define to 1 if you have the `getgrgid_r' function. */ +#undef HAVE_GETGRGID_R + +/* Define to 1 if you have the `getgrnam_r' function. */ +#undef HAVE_GETGRNAM_R + +/* Define to 1 if you have the `getgrouplist' function. */ +#undef HAVE_GETGROUPLIST + +/* Define to 1 if you have the `gethostname' function. */ +#undef HAVE_GETHOSTNAME + +/* Define to 1 if you have the `getline' function. */ +#undef HAVE_GETLINE + +/* Define to 1 if you have the `getmntent_r' function. */ +#undef HAVE_GETMNTENT_R + +/* Define to 1 if you have the `getpwnam_r' function. */ +#undef HAVE_GETPWNAM_R + +/* Define to 1 if you have the `getpwuid_r' function. */ +#undef HAVE_GETPWUID_R + +/* Define to 1 if you have the `getrpcport' function. */ +#undef HAVE_GETRPCPORT + +/* Define to 1 if you have the `getseuser' function. */ +#undef HAVE_GETSEUSER + +/* Define to 1 if you have the `getspnam_r' function. */ +#undef HAVE_GETSPNAM_R + +/* Define if the GNU gettext() function is already present or preinstalled. */ +#undef HAVE_GETTEXT + +/* Define to 1 if you have the `gettimeofday' function. */ +#undef HAVE_GETTIMEOFDAY + +/* Define to 1 if you have the `getutent_r' function. */ +#undef HAVE_GETUTENT_R + +/* Define if you have the iconv() function and it works. */ +#undef HAVE_ICONV + +/* Define to 1 if you have the `inet_ntop' function. */ +#undef HAVE_INET_NTOP + +/* Define to 1 if you have the `inet_pton' function. */ +#undef HAVE_INET_PTON + +/* Define to 1 if you have the header file. */ +#undef HAVE_INITTYPES_H + +/* Define to 1 if you have the `innetgr' function. */ +#undef HAVE_INNETGR + +/* Define to 1 if you have the header file. */ +#undef HAVE_INTTYPES_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_LASTLOG_H + +/* Define to 1 if you have the `lckpwdf' function. */ +#undef HAVE_LCKPWDF + +/* Define to 1 if audit support should be compiled in. */ +#undef HAVE_LIBAUDIT + +/* Define to 1 if you have the header file. */ +#undef HAVE_LIMITS_H + +/* Define to 1 if you have the `logwtmp' function. */ +#undef HAVE_LOGWTMP + +/* Define to 1 if you have the header file. */ +#undef HAVE_MALLOC_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_MEMORY_H + +/* Define to 1 if you have the `mkdir' function. */ +#undef HAVE_MKDIR + +/* Define to 1 if you have the header file. */ +#undef HAVE_NDBM_H + +/* Define to 1 if you have the header file, and it defines `DIR'. */ +#undef HAVE_NDIR_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_NET_IF_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_PATHS_H + +/* Define to 1 if you have the `quotactl' function. */ +#undef HAVE_QUOTACTL + +/* Define to 1 if you have the `rpcb_getaddr' function. */ +#undef HAVE_RPCB_GETADDR + +/* Define to 1 if you have the header file. */ +#undef HAVE_RPCSVC_YPCLNT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_RPCSVC_YP_PROT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_RPC_RPC_H + +/* Define to 1 if you have the `ruserok' function. */ +#undef HAVE_RUSEROK + +/* Define to 1 if you have the `ruserok_af' function. */ +#undef HAVE_RUSEROK_AF + +/* Define to 1 if you have the `select' function. */ +#undef HAVE_SELECT + +/* Define to 1 if you have the `setkeycreatecon' function. */ +#undef HAVE_SETKEYCREATECON + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the `strcspn' function. */ +#undef HAVE_STRCSPN + +/* Define to 1 if you have the `strdup' function. */ +#undef HAVE_STRDUP + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if you have the `strspn' function. */ +#undef HAVE_STRSPN + +/* Define to 1 if you have the `strstr' function. */ +#undef HAVE_STRSTR + +/* Define to 1 if you have the `strtol' function. */ +#undef HAVE_STRTOL + +/* Define to 1 if `log_passwd' is a member of `struct audit_tty_status'. */ +#undef HAVE_STRUCT_AUDIT_TTY_STATUS_LOG_PASSWD + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYSLOG_H + +/* Define to 1 if you have the header file, and it defines `DIR'. + */ +#undef HAVE_SYS_DIR_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_FILE_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_FSUID_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_IOCTL_H + +/* Define to 1 if you have the header file, and it defines `DIR'. + */ +#undef HAVE_SYS_NDIR_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TIME_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TYPES_H + +/* Define to 1 if you have that is POSIX.1 compatible. */ +#undef HAVE_SYS_WAIT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_TERMIO_H + +/* Define to 1 if you have the `uname' function. */ +#undef HAVE_UNAME + +/* Define to 1 if you have the header file. */ +#undef HAVE_UNISTD_H + +/* Define to 1 if you have the `unshare' function. */ +#undef HAVE_UNSHARE + +/* Define to 1 if you have the header file. */ +#undef HAVE_UTMPX_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_UTMP_H + +/* Define to 1 if you have the `vprintf' function. */ +#undef HAVE_VPRINTF + +/* Define to 1 if you have the `yperr_string' function. */ +#undef HAVE_YPERR_STRING + +/* Define to 1 if you have the `yp_bind' function. */ +#undef HAVE_YP_BIND + +/* Define to 1 if you have the `yp_get_default_domain' function. */ +#undef HAVE_YP_GET_DEFAULT_DOMAIN + +/* Define to 1 if you have the `yp_master' function. */ +#undef HAVE_YP_MASTER + +/* Define to 1 if you have the `yp_match' function. */ +#undef HAVE_YP_MATCH + +/* Define to 1 if you have the `yp_unbind' function. */ +#undef HAVE_YP_UNBIND + +/* Define to the sub-directory where libtool stores uninstalled libraries. */ +#undef LT_OBJDIR + +/* Name of package */ +#undef PACKAGE + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the home page for this package. */ +#undef PACKAGE_URL + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* lots of stuff gets written to /var/run/pam-debug.log */ +#undef PAM_DEBUG + +/* libpam should observe a global authentication lock */ +#undef PAM_LOCKING + +/* libpam_misc misc_conv() buffer size. */ +#undef PAM_MISC_CONV_BUFSIZE + +/* Path where mails are stored */ +#undef PAM_PATH_MAILDIR + +/* Random device path. */ +#undef PAM_PATH_RANDOMDEV + +/* Additional path of xauth executable */ +#undef PAM_PATH_XAUTH + +/* read both /etc/pam.d and /etc/pam.conf files */ +#undef PAM_READ_BOTH_CONFS + +/* Kernel overflow uid. */ +#undef PAM_USERTYPE_OVERFLOW_UID + +/* Minimum system user uid. */ +#undef PAM_USERTYPE_SYSUIDMIN + +/* Minimum regular user uid. */ +#undef PAM_USERTYPE_UIDMIN + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS + +/* Define to 1 if you can safely include both and . */ +#undef TIME_WITH_SYS_TIME + +/* Define to 1 if your declares `struct tm'. */ +#undef TM_IN_SYS_TIME + +/* Define if the compiler supports __attribute__((unused)) */ +#undef UNUSED + +/* Define to 1 if the lckpwdf function should be used */ +#undef USE_LCKPWDF + +/* Enable extensions on AIX 3, Interix. */ +#ifndef _ALL_SOURCE +# undef _ALL_SOURCE +#endif +/* Enable GNU extensions on systems that have them. */ +#ifndef _GNU_SOURCE +# undef _GNU_SOURCE +#endif +/* Enable threading extensions on Solaris. */ +#ifndef _POSIX_PTHREAD_SEMANTICS +# undef _POSIX_PTHREAD_SEMANTICS +#endif +/* Enable extensions on HP NonStop. */ +#ifndef _TANDEM_SOURCE +# undef _TANDEM_SOURCE +#endif +/* Enable general extensions on Solaris. */ +#ifndef __EXTENSIONS__ +# undef __EXTENSIONS__ +#endif + + +/* Directory for distribution provided configuration files */ +#undef VENDORDIR + +/* Version number of package */ +#undef VERSION + +/* OpenSSL provides crypto algorithm for hmac */ +#undef WITH_OPENSSL + +/* Defined if SE Linux support is compiled in */ +#undef WITH_SELINUX + +/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most + significant byte first (like Motorola and SPARC, unlike Intel). */ +#if defined AC_APPLE_UNIVERSAL_BUILD +# if defined __BIG_ENDIAN__ +# define WORDS_BIGENDIAN 1 +# endif +#else +# ifndef WORDS_BIGENDIAN +# undef WORDS_BIGENDIAN +# endif +#endif + +/* Define to 1 if `lex' declares `yytext' as a `char *' by default, not a + `char[]'. */ +#undef YYTEXT_POINTER + +/* Enable large inode numbers on Mac OS X 10.5. */ +#ifndef _DARWIN_USE_64_BIT_INODE +# define _DARWIN_USE_64_BIT_INODE 1 +#endif + +/* Number of bits in a file offset, on hosts where this is settable. */ +#undef _FILE_OFFSET_BITS + +/* Define for large files, on AIX-style hosts. */ +#undef _LARGE_FILES + +/* Define to 1 if on MINIX. */ +#undef _MINIX + +/* Define to the path, relative to SECUREDIR, where PAMs specific to this + architecture can be found. */ +#undef _PAM_ISA + +/* Define to 2 if the system does not provide POSIX.1 features except with + this defined. */ +#undef _POSIX_1_SOURCE + +/* Define to 1 if you need to in order for `stat' and other things to work. */ +#undef _POSIX_SOURCE + +/* Define to empty if `const' does not conform to ANSI C. */ +#undef const + +/* Define to `int' if doesn't define. */ +#undef gid_t + +/* Define to `long int' if does not define. */ +#undef off_t + +/* Define to `int' if does not define. */ +#undef pid_t + +/* Define to `unsigned int' if does not define. */ +#undef size_t + +/* Define to `int' if doesn't define. */ +#undef uid_t + +#ifdef ENABLE_NLS +#include +#define _(msgid) dgettext(PACKAGE, msgid) +#define N_(msgid) msgid +#else +#define _(msgid) (msgid) +#define N_(msgid) msgid +#endif /* ENABLE_NLS */ diff --git a/configure b/configure new file mode 100755 index 0000000..4a12fad --- /dev/null +++ b/configure @@ -0,0 +1,23881 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.69 for Linux-PAM 1.5.2. +# +# +# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc. +# +# +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +# Use a proper internal environment variable to ensure we don't fall + # into an infinite loop, continuously re-executing ourselves. + if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then + _as_can_reexec=no; export _as_can_reexec; + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +as_fn_exit 255 + fi + # We don't want this to propagate to other subprocesses. + { _as_can_reexec=; unset _as_can_reexec;} +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then : + +else + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1 +test -x / || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1 +test \$(( 1 + 1 )) = 2 || exit 1 + + test -n \"\${ZSH_VERSION+set}\${BASH_VERSION+set}\" || ( + ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' + ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO + ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO + PATH=/empty FPATH=/empty; export PATH FPATH + test \"X\`printf %s \$ECHO\`\" = \"X\$ECHO\" \\ + || test \"X\`print -r -- \$ECHO\`\" = \"X\$ECHO\" ) || exit 1" + if (eval "$as_required") 2>/dev/null; then : + as_have_required=yes +else + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then : + +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir/$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then : + CONFIG_SHELL=$as_shell as_have_required=yes + if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then : + break 2 +fi +fi + done;; + esac + as_found=false +done +$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi; } +IFS=$as_save_IFS + + + if test "x$CONFIG_SHELL" != x; then : + export CONFIG_SHELL + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +exit 255 +fi + + if test x$as_have_required = xno; then : + $as_echo "$0: This script requires a shell more modern than all" + $as_echo "$0: the shells that I found on your system." + if test x${ZSH_VERSION+set} = xset ; then + $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should" + $as_echo "$0: be upgraded to zsh 4.3.4 or later." + else + $as_echo "$0: Please tell bug-autoconf@gnu.org about your system, +$0: including any error possibly output before this +$0: message. Then install a modern shell, or manually run +$0: the script under such a shell if you do have one." + fi + exit 1 +fi +fi +fi +SHELL=${CONFIG_SHELL-/bin/sh} +export SHELL +# Unset more variables known to interfere with behavior of common tools. +CLICOLOR_FORCE= GREP_OPTIONS= +unset CLICOLOR_FORCE GREP_OPTIONS + +## --------------------- ## +## M4sh Shell Functions. ## +## --------------------- ## +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + + + as_lineno_1=$LINENO as_lineno_1a=$LINENO + as_lineno_2=$LINENO as_lineno_2a=$LINENO + eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" && + test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || { + # Blame Lee E. McMahon (1931-1989) for sed's syntax. :-) + sed -n ' + p + /[$]LINENO/= + ' <$as_myself | + sed ' + s/[$]LINENO.*/&-/ + t lineno + b + :lineno + N + :loop + s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/ + t loop + s/-\n.*// + ' >$as_me.lineno && + chmod +x "$as_me.lineno" || + { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; } + + # If we had to re-execute with $CONFIG_SHELL, we're ensured to have + # already done that, so ensure we don't try to do so again and fall + # in an infinite loop. This has already happened in practice. + _as_can_reexec=no; export _as_can_reexec + # Don't try to exec as it changes $[0], causing all sort of problems + # (the dirname of $[0] is not the place where we might find the + # original and so on. Autoconf is especially sensitive to this). + . "./$as_me.lineno" + # Exit status is that of the last command. + exit +} + +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -pR'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -pR' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -pR' + fi +else + as_ln_s='cp -pR' +fi +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file +rmdir conf$$.dir 2>/dev/null + +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + +as_test_x='test -x' +as_executable_p=as_fn_executable_p + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + +SHELL=${CONFIG_SHELL-/bin/sh} + + +test -n "$DJDIR" || exec 7<&0 &1 + +# Name of the host. +# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status, +# so uname gets run too. +ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q` + +# +# Initializations. +# +ac_default_prefix=/usr/local +ac_clean_files= +ac_config_libobj_dir=. +LIBOBJS= +cross_compiling=no +subdirs= +MFLAGS= +MAKEFLAGS= + +# Identity of this package. +PACKAGE_NAME='Linux-PAM' +PACKAGE_TARNAME='Linux-PAM' +PACKAGE_VERSION='1.5.2' +PACKAGE_STRING='Linux-PAM 1.5.2' +PACKAGE_BUGREPORT='' +PACKAGE_URL='' + +ac_unique_file="conf/pam_conv1/pam_conv_y.y" +ac_default_prefix=/usr +# Factoring default headers for most tests. +ac_includes_default="\ +#include +#ifdef HAVE_SYS_TYPES_H +# include +#endif +#ifdef HAVE_SYS_STAT_H +# include +#endif +#ifdef STDC_HEADERS +# include +# include +#else +# ifdef HAVE_STDLIB_H +# include +# endif +#endif +#ifdef HAVE_STRING_H +# if !defined STDC_HEADERS && defined HAVE_MEMORY_H +# include +# endif +# include +#endif +#ifdef HAVE_STRINGS_H +# include +#endif +#ifdef HAVE_INTTYPES_H +# include +#endif +#ifdef HAVE_STDINT_H +# include +#endif +#ifdef HAVE_UNISTD_H +# include +#endif" + +gt_needs= +ac_subst_vars='am__EXEEXT_FALSE +am__EXEEXT_TRUE +LTLIBOBJS +COND_BUILD_PAM_USERDB_FALSE +COND_BUILD_PAM_USERDB_TRUE +COND_BUILD_PAM_UNIX_FALSE +COND_BUILD_PAM_UNIX_TRUE 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[VAR=VALUE]... + +To assign environment variables (e.g., CC, CFLAGS...), specify them as +VAR=VALUE. See below for descriptions of some of the useful variables. + +Defaults for the options are specified in brackets. + +Configuration: + -h, --help display this help and exit + --help=short display options specific to this package + --help=recursive display the short help of all the included packages + -V, --version display version information and exit + -q, --quiet, --silent do not print \`checking ...' messages + --cache-file=FILE cache test results in FILE [disabled] + -C, --config-cache alias for \`--cache-file=config.cache' + -n, --no-create do not create output files + --srcdir=DIR find the sources in DIR [configure dir or \`..'] + +Installation directories: + --prefix=PREFIX install architecture-independent files in PREFIX + [$ac_default_prefix] + --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX + [PREFIX] + +By default, \`make install' will install all the files in +\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc. You can specify +an installation prefix other than \`$ac_default_prefix' using \`--prefix', +for instance \`--prefix=\$HOME'. + +For better control, use the options below. + +Fine tuning of the installation directories: + --bindir=DIR user executables [EPREFIX/bin] + --sbindir=DIR system admin executables [EPREFIX/sbin] + --libexecdir=DIR program executables [EPREFIX/libexec] + --sysconfdir=DIR read-only single-machine data [PREFIX/etc] + --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] + --localstatedir=DIR modifiable single-machine data [PREFIX/var] + --libdir=DIR object code libraries [EPREFIX/lib] + --includedir=DIR C header files [PREFIX/include] + --oldincludedir=DIR C header files for non-gcc [/usr/include] + --datarootdir=DIR read-only arch.-independent data root [PREFIX/share] + --datadir=DIR read-only architecture-independent data [DATAROOTDIR] + --infodir=DIR info documentation [DATAROOTDIR/info] + --localedir=DIR locale-dependent data [DATAROOTDIR/locale] + --mandir=DIR man documentation [DATAROOTDIR/man] + --docdir=DIR documentation root [DATAROOTDIR/doc/Linux-PAM] + --htmldir=DIR html documentation [DOCDIR] + --dvidir=DIR dvi documentation [DOCDIR] + --pdfdir=DIR pdf documentation [DOCDIR] + --psdir=DIR ps documentation [DOCDIR] +_ACEOF + + cat <<\_ACEOF + +Program names: + --program-prefix=PREFIX prepend PREFIX to installed program names + --program-suffix=SUFFIX append SUFFIX to installed program names + --program-transform-name=PROGRAM run sed PROGRAM on installed program names + +System types: + --build=BUILD configure for building on BUILD [guessed] + --host=HOST cross-compile to build programs to run on HOST [BUILD] +_ACEOF +fi + +if test -n "$ac_init_help"; then + case $ac_init_help in + short | recursive ) echo "Configuration of Linux-PAM 1.5.2:";; + esac + cat <<\_ACEOF + +Optional Features: + --disable-option-checking ignore unrecognized --enable/--with options + --disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no) + --enable-FEATURE[=ARG] include FEATURE [ARG=yes] + --enable-silent-rules less verbose build output (undo: "make V=1") + --disable-silent-rules verbose build output (undo: "make V=0") + --enable-dependency-tracking + do not reject slow dependency extractors + --disable-dependency-tracking + speeds up one-time build + --enable-static[=PKGS] build static libraries [default=no] + --enable-shared[=PKGS] build shared libraries [default=yes] + --enable-fast-install[=PKGS] + optimize for fast installation [default=yes] + --disable-libtool-lock avoid locking (might break parallel builds) + --disable-largefile omit support for large files + --enable-Werror turn on -Werror compiler option + --disable-pie disable position-independent executables (PIE) + --disable-doc Do not generate or install documentation + --disable-prelude do not use prelude + --enable-debug specify you are building with debugging on + --enable-securedir=DIR path to location of PAMs [default=$libdir/security] + --enable-isadir=DIR path to arch-specific module files + [default=../../(basename of $libdir)/security] + --enable-sconfigdir=DIR path to module conf files + [default=$sysconfdir/security] + --enable-pamlocking configure libpam to observe a global authentication + lock + --enable-read-both-confs + read both /etc/pam.d and /etc/pam.conf files + --disable-lckpwdf do not use the lckpwdf function + --disable-audit do not enable audit support + --enable-db=(db|ndbm|yes|no) + Default behavior 'yes', which is to check for libdb + first, followed by ndbm. Use 'no' to disable db + support. + --disable-nis Disable building NIS/YP support in pam_unix + --enable-usergroups sets the usergroups option default to enabled + --disable-selinux do not use SELinux + --disable-econf do not use libeconf + --enable-vendordir=DIR Directory for distribution provided configuration + files + --enable-openssl use OpenSSL crypto libraries + --disable-regenerate-docu + Don't re-build documentation from XML sources + --disable-nls do not use Native Language Support + --disable-rpath do not hardcode runtime library paths + --disable-unix do not build pam_unix module + +Optional Packages: + --with-PACKAGE[=ARG] use PACKAGE [ARG=yes] + --without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no) + --with-pic[=PKGS] try to use only PIC/non-PIC objects [default=use + both] + --with-aix-soname=aix|svr4|both + shared library versioning (aka "SONAME") variant to + provide on AIX, [default=aix]. + --with-gnu-ld assume the C compiler uses GNU ld [default=no] + --with-sysroot[=DIR] Search for dependent libraries within DIR (or the + compiler's sysroot if not specified). + --with-libprelude-prefix=PFX + Prefix where libprelude is installed (optional) + --with-mailspool path to mail spool directory + default _PATH_MAILDIR if defined in paths.h, otherwise /var/spool/mail + --with-xauth additional path to check for xauth when it is called from pam_xauth + added to the default of /usr/X11R6/bin/xauth, /usr/bin/xauth, /usr/bin/X11/xauth + --with-randomdev=(|yes|no) + use specified random device instead of /dev/urandom + or 'no' to disable + --with-db-uniquename=extension + Unique name for db libraries and functions. + --with-xml-catalog=CATALOG + path to xml catalog to use + --with-gnu-ld assume the C compiler uses GNU ld [default=no] + --with-libiconv-prefix[=DIR] search for libiconv in DIR/include and DIR/lib + --without-libiconv-prefix don't search for libiconv in includedir and libdir + --with-libintl-prefix[=DIR] search for libintl in DIR/include and DIR/lib + --without-libintl-prefix don't search for libintl in includedir and libdir + --with-uidmin= default value for regular user min uid (1000) + --with-sysuidmin= + default value for system user min uid (101) + --with-kernel-overflow-uid= + kernel overflow uid, default (uint16_t)-2=65534 + --with-systemdunitdir=DIR + path to systemd service directory + --with-misc-conv-bufsize= + Size of input buffer for libpam_misc's misc_conv() + conversation function, default=4096 + +Some influential environment variables: + CC C compiler command + CFLAGS C compiler flags + LDFLAGS linker flags, e.g. -L if you have libraries in a + nonstandard directory + LIBS libraries to pass to the linker, e.g. -l + CPPFLAGS (Objective) C/C++ preprocessor flags, e.g. -I if + you have headers in a nonstandard directory + CPP C preprocessor + LT_SYS_LIBRARY_PATH + User-defined run-time library search path. + YACC The `Yet Another Compiler Compiler' implementation to use. + Defaults to the first program found out of: `bison -y', `byacc', + `yacc'. + YFLAGS The list of arguments that will be passed by default to $YACC. + This script will default YFLAGS to the empty string to avoid a + default value of `-d' given by some make applications. + PKG_CONFIG path to pkg-config utility + PKG_CONFIG_PATH + directories to add to pkg-config's search path + PKG_CONFIG_LIBDIR + path overriding pkg-config's built-in search path + CRYPT_CFLAGS + C compiler flags for CRYPT, overriding pkg-config + CRYPT_LIBS linker flags for CRYPT, overriding pkg-config + TIRPC_CFLAGS + C compiler flags for TIRPC, overriding pkg-config + TIRPC_LIBS linker flags for TIRPC, overriding pkg-config + NSL_CFLAGS C compiler flags for NSL, overriding pkg-config + NSL_LIBS linker flags for NSL, overriding pkg-config + ECONF_CFLAGS + C compiler flags for ECONF, overriding pkg-config + ECONF_LIBS linker flags for ECONF, overriding pkg-config + +Use these variables to override the choices made by `configure' or to help +it to find libraries and programs with nonstandard names/locations. + +Report bugs to the package provider. +_ACEOF +ac_status=$? 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Assumes +# that executables *can* be run. +ac_fn_c_try_run () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { ac_try='./conftest$ac_exeext' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + ac_retval=0 +else + $as_echo "$as_me: program exited with status $ac_status" >&5 + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=$ac_status +fi + rm -rf conftest.dSYM conftest_ipa8_conftest.oo + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_c_try_run + +# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES +# ------------------------------------------------------- +# Tests whether HEADER exists and can be compiled using the include files in +# INCLUDES, setting the cache variable VAR accordingly. +ac_fn_c_check_header_compile () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... 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We do this before executing the actions. + rm -rf conftest.dSYM conftest_ipa8_conftest.oo + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_c_try_link + +# ac_fn_c_check_func LINENO FUNC VAR +# ---------------------------------- +# Tests whether FUNC exists, setting the cache variable VAR accordingly +ac_fn_c_check_func () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... " >&6; } +if eval \${$3+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +/* Define $2 to an innocuous variant, in case declares $2. + For example, HP-UX 11i declares gettimeofday. */ +#define $2 innocuous_$2 + +/* Tell GNU C headers to include stubs. */ +#define __need_GNU_STUBS_H + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $2 (); below. + Prefer to if __STDC__ is defined, since + exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include +#else +# include +#endif + +#undef $2 + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char $2 (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined __stub_$2 || defined __stub___$2 +choke me +#endif + +int +main () +{ +return $2 (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + eval "$3=yes" +else + if test "$GCC" = yes; then + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#undef $2 +/* Declare this function with the same prototype as __builtin_$2. + This removes a warning about conflicting types for built-in function $2 */ +__typeof__(__builtin_$2) $2; +__typeof__(__builtin_$2) *volatile f = $2; + +int +main () +{ +return f != $2; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + eval "$3=yes" +else + eval "$3=no" +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + else + eval "$3=no" + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_check_func + +# ac_fn_c_check_type LINENO TYPE VAR INCLUDES +# ------------------------------------------- +# Tests whether TYPE exists after having included INCLUDES, setting cache +# variable VAR accordingly. +ac_fn_c_check_type () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... " >&6; } +if eval \${$3+:} false; then : + $as_echo_n "(cached) " >&6 +else + eval "$3=no" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +if (sizeof ($2)) + return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +if (sizeof (($2))) + return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + eval "$3=yes" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_check_type + +# ac_fn_c_check_member LINENO AGGR MEMBER VAR INCLUDES +# ---------------------------------------------------- +# Tries to find if the field MEMBER exists in type AGGR, after including +# INCLUDES, setting cache variable VAR accordingly. +ac_fn_c_check_member () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2.$3" >&5 +$as_echo_n "checking for $2.$3... 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For more background, see: +# +# +mkdir_p='$(MKDIR_P)' + +# We need awk for the "check" target (and possibly the TAP driver). The +# system "awk" is bad on some platforms. +# Always define AMTAR for backward compatibility. Yes, it's still used +# in the wild :-( We should find a proper way to deprecate it ... +AMTAR='$${TAR-tar}' + + +# We'll loop over all known methods to create a tar archive until one works. +_am_tools='gnutar pax cpio none' + +am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -' + + + + + + +# POSIX will say in a future version that running "rm -f" with no argument +# is OK; and we want to be able to make that assumption in our Makefile +# recipes. So use an aggressive probe to check that the usage we want is +# actually supported "in the wild" to an acceptable degree. +# See automake bug#10828. +# To make any issue more visible, cause the running configure to be aborted +# by default if the 'rm' program in use doesn't match our expectations; the +# user can still override this though. +if rm -f && rm -fr && rm -rf; then : OK; else + cat >&2 <<'END' +Oops! + +Your 'rm' program seems unable to run without file operands specified +on the command line, even when the '-f' option is present. This is contrary +to the behaviour of most rm programs out there, and not conforming with +the upcoming POSIX standard: + +Please tell bug-automake@gnu.org about your system, including the value +of your $PATH and any error possibly output before this message. This +can help us improve future automake versions. + +END + if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then + echo 'Configuration will proceed anyway, since you have set the' >&2 + echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2 + echo >&2 + else + cat >&2 <<'END' +Aborting the configuration process, to ensure you take notice of the issue. + +You can download and install GNU coreutils to get an 'rm' implementation +that behaves properly: . + +If you want to complete the configuration process using your problematic +'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM +to "yes", and re-run configure. + +END + as_fn_error $? "Your 'rm' program is bad, sorry." "$LINENO" 5 + fi +fi + + +ac_config_headers="$ac_config_headers config.h" + + +# Make sure we can run config.sub. +$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 || + as_fn_error $? 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" >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? 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For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? 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It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC understands -c and -o together" >&5 +$as_echo_n "checking whether $CC understands -c and -o together... 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It turns out that the SunPro C++ compiler does not properly + # handle '-M -o', and we need to detect this. Also, some Intel + # versions had trouble with output in subdirs. + am__obj=sub/conftest.${OBJEXT-o} + am__minus_obj="-o $am__obj" + case $depmode in + gcc) + # This depmode causes a compiler race in universal mode. + test "$am__universal" = false || continue + ;; + nosideeffect) + # After this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested. + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + msvc7 | msvc7msys | msvisualcpp | msvcmsys) + # This compiler won't grok '-c -o', but also, the minuso test has + # not run yet. 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" >&6; } +if ${ac_cv_safe_to_define___extensions__+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +# define __EXTENSIONS__ 1 + $ac_includes_default +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_safe_to_define___extensions__=yes +else + ac_cv_safe_to_define___extensions__=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_safe_to_define___extensions__" >&5 +$as_echo "$ac_cv_safe_to_define___extensions__" >&6; } + test $ac_cv_safe_to_define___extensions__ = yes && + $as_echo "#define __EXTENSIONS__ 1" >>confdefs.h + + $as_echo "#define _ALL_SOURCE 1" >>confdefs.h + + $as_echo "#define _GNU_SOURCE 1" >>confdefs.h + + $as_echo "#define _POSIX_PTHREAD_SEMANTICS 1" >>confdefs.h + + $as_echo "#define _TANDEM_SOURCE 1" >>confdefs.h + + + +case `pwd` in + *\ * | *\ *) + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5 +$as_echo "$as_me: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&2;} ;; +esac + + + +macro_version='2.4.6' +macro_revision='2.4.6' + + + + + + + + + + + + + +ltmain=$ac_aux_dir/ltmain.sh + +# Backslashify metacharacters that are still active within +# double-quoted strings. +sed_quote_subst='s/\(["`$\\]\)/\\\1/g' + +# Same as above, but do not quote variable references. +double_quote_subst='s/\(["`\\]\)/\\\1/g' + +# Sed substitution to delay expansion of an escaped shell variable in a +# double_quote_subst'ed string. +delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' + +# Sed substitution to delay expansion of an escaped single quote. +delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g' + +# Sed substitution to avoid accidental globbing in evaled expressions +no_glob_subst='s/\*/\\\*/g' + +ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to print strings" >&5 +$as_echo_n "checking how to print strings... 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" >&6; } +if ${ac_cv_path_SED+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/ + for ac_i in 1 2 3 4 5 6 7; do + ac_script="$ac_script$as_nl$ac_script" + done + echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed + { ac_script=; unset ac_script;} + if test -z "$SED"; then + ac_path_SED_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in sed gsed; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_SED="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_SED" || continue +# Check for GNU ac_path_SED and select it if it is found. + # Check for GNU $ac_path_SED +case `"$ac_path_SED" --version 2>&1` in +*GNU*) + ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo '' >> "conftest.nl" + "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_SED_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_SED="$ac_path_SED" + ac_path_SED_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_SED_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_SED"; then + as_fn_error $? "no acceptable sed could be found in \$PATH" "$LINENO" 5 + fi +else + ac_cv_path_SED=$SED +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5 +$as_echo "$ac_cv_path_SED" >&6; } + SED="$ac_cv_path_SED" + rm -f conftest.sed + +test -z "$SED" && SED=sed +Xsed="$SED -e 1s/^X//" + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fgrep" >&5 +$as_echo_n "checking for fgrep... " >&6; } +if ${ac_cv_path_FGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1 + then ac_cv_path_FGREP="$GREP -F" + else + if test -z "$FGREP"; then + ac_path_FGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in fgrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_FGREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_FGREP" || continue +# Check for GNU ac_path_FGREP and select it if it is found. + # Check for GNU $ac_path_FGREP +case `"$ac_path_FGREP" --version 2>&1` in +*GNU*) + ac_cv_path_FGREP="$ac_path_FGREP" ac_path_FGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'FGREP' >> "conftest.nl" + "$ac_path_FGREP" FGREP < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_FGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_FGREP="$ac_path_FGREP" + ac_path_FGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_FGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_FGREP"; then + as_fn_error $? "no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_FGREP=$FGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5 +$as_echo "$ac_cv_path_FGREP" >&6; } + FGREP="$ac_cv_path_FGREP" + + +test -z "$GREP" && GREP=grep + + + + + + + + + + + + + + + + + + + +# Check whether --with-gnu-ld was given. +if test "${with_gnu_ld+set}" = set; then : + withval=$with_gnu_ld; test no = "$withval" || with_gnu_ld=yes +else + with_gnu_ld=no +fi + +ac_prog=ld +if test yes = "$GCC"; then + # Check if gcc -print-prog-name=ld gives a path. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5 +$as_echo_n "checking for ld used by $CC... " >&6; } + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return, which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [\\/]* | ?:[\\/]*) + re_direlt='/[^/][^/]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'` + while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do + ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"` + done + test -z "$LD" && LD=$ac_prog + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test yes = "$with_gnu_ld"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5 +$as_echo_n "checking for GNU ld... " >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5 +$as_echo_n "checking for non-GNU ld... " >&6; } +fi +if ${lt_cv_path_LD+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$LD"; then + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + lt_cv_path_LD=$ac_dir/$ac_prog + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$lt_cv_path_LD" -v 2>&1 &5 +$as_echo "$LD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5 +$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; } +if ${lt_cv_prog_gnu_ld+:} false; then : + $as_echo_n "(cached) " >&6 +else + # I'd rather use --version here, but apparently some GNU lds only accept -v. +case `$LD -v 2>&1 &5 +$as_echo "$lt_cv_prog_gnu_ld" >&6; } +with_gnu_ld=$lt_cv_prog_gnu_ld + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for BSD- or MS-compatible name lister (nm)" >&5 +$as_echo_n "checking for BSD- or MS-compatible name lister (nm)... " >&6; } +if ${lt_cv_path_NM+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$NM"; then + # Let the user override the test. + lt_cv_path_NM=$NM +else + lt_nm_to_check=${ac_tool_prefix}nm + if test -n "$ac_tool_prefix" && test "$build" = "$host"; then + lt_nm_to_check="$lt_nm_to_check nm" + fi + for lt_tmp_nm in $lt_nm_to_check; do + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + tmp_nm=$ac_dir/$lt_tmp_nm + if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then + # Check to see if the nm accepts a BSD-compat flag. + # Adding the 'sed 1q' prevents false positives on HP-UX, which says: + # nm: unknown option "B" ignored + # Tru64's nm complains that /dev/null is an invalid object file + # MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty + case $build_os in + mingw*) lt_bad_file=conftest.nm/nofile ;; + *) lt_bad_file=/dev/null ;; + esac + case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in + *$lt_bad_file* | *'Invalid file or object type'*) + lt_cv_path_NM="$tmp_nm -B" + break 2 + ;; + *) + case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in + */dev/null*) + lt_cv_path_NM="$tmp_nm -p" + break 2 + ;; + *) + lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but + continue # so that we can try to find one that supports BSD flags + ;; + esac + ;; + esac + fi + done + IFS=$lt_save_ifs + done + : ${lt_cv_path_NM=no} +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5 +$as_echo "$lt_cv_path_NM" >&6; } +if test no != "$lt_cv_path_NM"; then + NM=$lt_cv_path_NM +else + # Didn't find any BSD compatible name lister, look for dumpbin. + if test -n "$DUMPBIN"; then : + # Let the user override the test. + else + if test -n "$ac_tool_prefix"; then + for ac_prog in dumpbin "link -dump" + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DUMPBIN+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DUMPBIN"; then + ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DUMPBIN=$ac_cv_prog_DUMPBIN +if test -n "$DUMPBIN"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5 +$as_echo "$DUMPBIN" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$DUMPBIN" && break + done +fi +if test -z "$DUMPBIN"; then + ac_ct_DUMPBIN=$DUMPBIN + for ac_prog in dumpbin "link -dump" +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DUMPBIN+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DUMPBIN"; then + ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_DUMPBIN="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN +if test -n "$ac_ct_DUMPBIN"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5 +$as_echo "$ac_ct_DUMPBIN" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_DUMPBIN" && break +done + + if test "x$ac_ct_DUMPBIN" = x; then + DUMPBIN=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DUMPBIN=$ac_ct_DUMPBIN + fi +fi + + case `$DUMPBIN -symbols -headers /dev/null 2>&1 | sed '1q'` in + *COFF*) + DUMPBIN="$DUMPBIN -symbols -headers" + ;; + *) + DUMPBIN=: + ;; + esac + fi + + if test : != "$DUMPBIN"; then + NM=$DUMPBIN + fi +fi +test -z "$NM" && NM=nm + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5 +$as_echo_n "checking the name lister ($NM) interface... " >&6; } +if ${lt_cv_nm_interface+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_nm_interface="BSD nm" + echo "int some_variable = 0;" > conftest.$ac_ext + (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5) + (eval "$ac_compile" 2>conftest.err) + cat conftest.err >&5 + (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&5) + (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) + cat conftest.err >&5 + (eval echo "\"\$as_me:$LINENO: output\"" >&5) + cat conftest.out >&5 + if $GREP 'External.*some_variable' conftest.out > /dev/null; then + lt_cv_nm_interface="MS dumpbin" + fi + rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5 +$as_echo "$lt_cv_nm_interface" >&6; } + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 +$as_echo_n "checking whether ln -s works... " >&6; } +LN_S=$as_ln_s +if test "$LN_S" = "ln -s"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 +$as_echo "no, using $LN_S" >&6; } +fi + +# find the maximum length of command line arguments +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5 +$as_echo_n "checking the maximum length of command line arguments... " >&6; } +if ${lt_cv_sys_max_cmd_len+:} false; then : + $as_echo_n "(cached) " >&6 +else + i=0 + teststring=ABCD + + case $build_os in + msdosdjgpp*) + # On DJGPP, this test can blow up pretty badly due to problems in libc + # (any single argument exceeding 2000 bytes causes a buffer overrun + # during glob expansion). Even if it were fixed, the result of this + # check would be larger than it should be. + lt_cv_sys_max_cmd_len=12288; # 12K is about right + ;; + + gnu*) + # Under GNU Hurd, this test is not required because there is + # no limit to the length of command line arguments. + # Libtool will interpret -1 as no limit whatsoever + lt_cv_sys_max_cmd_len=-1; + ;; + + cygwin* | mingw* | cegcc*) + # On Win9x/ME, this test blows up -- it succeeds, but takes + # about 5 minutes as the teststring grows exponentially. + # Worse, since 9x/ME are not pre-emptively multitasking, + # you end up with a "frozen" computer, even though with patience + # the test eventually succeeds (with a max line length of 256k). + # Instead, let's just punt: use the minimum linelength reported by + # all of the supported platforms: 8192 (on NT/2K/XP). + lt_cv_sys_max_cmd_len=8192; + ;; + + mint*) + # On MiNT this can take a long time and run out of memory. + lt_cv_sys_max_cmd_len=8192; + ;; + + amigaos*) + # On AmigaOS with pdksh, this test takes hours, literally. + # So we just punt and use a minimum line length of 8192. + lt_cv_sys_max_cmd_len=8192; + ;; + + bitrig* | darwin* | dragonfly* | freebsd* | netbsd* | openbsd*) + # This has been around since 386BSD, at least. Likely further. + if test -x /sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` + elif test -x /usr/sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` + else + lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs + fi + # And add a safety zone + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + ;; + + interix*) + # We know the value 262144 and hardcode it with a safety zone (like BSD) + lt_cv_sys_max_cmd_len=196608 + ;; + + os2*) + # The test takes a long time on OS/2. + lt_cv_sys_max_cmd_len=8192 + ;; + + osf*) + # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure + # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not + # nice to cause kernel panics so lets avoid the loop below. + # First set a reasonable default. + lt_cv_sys_max_cmd_len=16384 + # + if test -x /sbin/sysconfig; then + case `/sbin/sysconfig -q proc exec_disable_arg_limit` in + *1*) lt_cv_sys_max_cmd_len=-1 ;; + esac + fi + ;; + sco3.2v5*) + lt_cv_sys_max_cmd_len=102400 + ;; + sysv5* | sco5v6* | sysv4.2uw2*) + kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` + if test -n "$kargmax"; then + lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[ ]//'` + else + lt_cv_sys_max_cmd_len=32768 + fi + ;; + *) + lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` + if test -n "$lt_cv_sys_max_cmd_len" && \ + test undefined != "$lt_cv_sys_max_cmd_len"; then + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + else + # Make teststring a little bigger before we do anything with it. + # a 1K string should be a reasonable start. + for i in 1 2 3 4 5 6 7 8; do + teststring=$teststring$teststring + done + SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} + # If test is not a shell built-in, we'll probably end up computing a + # maximum length that is only half of the actual maximum length, but + # we can't tell. + while { test X`env echo "$teststring$teststring" 2>/dev/null` \ + = "X$teststring$teststring"; } >/dev/null 2>&1 && + test 17 != "$i" # 1/2 MB should be enough + do + i=`expr $i + 1` + teststring=$teststring$teststring + done + # Only check the string length outside the loop. + lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` + teststring= + # Add a significant safety factor because C++ compilers can tack on + # massive amounts of additional arguments before passing them to the + # linker. It appears as though 1/2 is a usable value. + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` + fi + ;; + esac + +fi + +if test -n "$lt_cv_sys_max_cmd_len"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5 +$as_echo "$lt_cv_sys_max_cmd_len" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5 +$as_echo "none" >&6; } +fi +max_cmd_len=$lt_cv_sys_max_cmd_len + + + + + + +: ${CP="cp -f"} +: ${MV="mv -f"} +: ${RM="rm -f"} + +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + lt_unset=unset +else + lt_unset=false +fi + + + + + +# test EBCDIC or ASCII +case `echo X|tr X '\101'` in + A) # ASCII based system + # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr + lt_SP2NL='tr \040 \012' + lt_NL2SP='tr \015\012 \040\040' + ;; + *) # EBCDIC based system + lt_SP2NL='tr \100 \n' + lt_NL2SP='tr \r\n \100\100' + ;; +esac + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to $host format" >&5 +$as_echo_n "checking how to convert $build file names to $host format... " >&6; } +if ${lt_cv_to_host_file_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 + ;; + esac + ;; + *-*-cygwin* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin + ;; + esac + ;; + * ) # unhandled hosts (and "normal" native builds) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; +esac + +fi + +to_host_file_cmd=$lt_cv_to_host_file_cmd +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_host_file_cmd" >&5 +$as_echo "$lt_cv_to_host_file_cmd" >&6; } + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to convert $build file names to toolchain format" >&5 +$as_echo_n "checking how to convert $build file names to toolchain format... " >&6; } +if ${lt_cv_to_tool_file_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + #assume ordinary cross tools, or native build. +lt_cv_to_tool_file_cmd=func_convert_file_noop +case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 + ;; + esac + ;; +esac + +fi + +to_tool_file_cmd=$lt_cv_to_tool_file_cmd +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_to_tool_file_cmd" >&5 +$as_echo "$lt_cv_to_tool_file_cmd" >&6; } + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5 +$as_echo_n "checking for $LD option to reload object files... " >&6; } +if ${lt_cv_ld_reload_flag+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_reload_flag='-r' +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5 +$as_echo "$lt_cv_ld_reload_flag" >&6; } +reload_flag=$lt_cv_ld_reload_flag +case $reload_flag in +"" | " "*) ;; +*) reload_flag=" $reload_flag" ;; +esac +reload_cmds='$LD$reload_flag -o $output$reload_objs' +case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + if test yes != "$GCC"; then + reload_cmds=false + fi + ;; + darwin*) + if test yes = "$GCC"; then + reload_cmds='$LTCC $LTCFLAGS -nostdlib $wl-r -o $output$reload_objs' + else + reload_cmds='$LD$reload_flag -o $output$reload_objs' + fi + ;; +esac + + + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args. +set dummy ${ac_tool_prefix}objdump; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OBJDUMP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OBJDUMP"; then + ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OBJDUMP=$ac_cv_prog_OBJDUMP +if test -n "$OBJDUMP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5 +$as_echo "$OBJDUMP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OBJDUMP"; then + ac_ct_OBJDUMP=$OBJDUMP + # Extract the first word of "objdump", so it can be a program name with args. +set dummy objdump; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OBJDUMP"; then + ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OBJDUMP="objdump" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP +if test -n "$ac_ct_OBJDUMP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5 +$as_echo "$ac_ct_OBJDUMP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OBJDUMP" = x; then + OBJDUMP="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OBJDUMP=$ac_ct_OBJDUMP + fi +else + OBJDUMP="$ac_cv_prog_OBJDUMP" +fi + +test -z "$OBJDUMP" && OBJDUMP=objdump + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5 +$as_echo_n "checking how to recognize dependent libraries... " >&6; } +if ${lt_cv_deplibs_check_method+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_file_magic_cmd='$MAGIC_CMD' +lt_cv_file_magic_test_file= +lt_cv_deplibs_check_method='unknown' +# Need to set the preceding variable on all platforms that support +# interlibrary dependencies. +# 'none' -- dependencies not supported. +# 'unknown' -- same as none, but documents that we really don't know. +# 'pass_all' -- all dependencies passed with no checks. +# 'test_compile' -- check by making test program. +# 'file_magic [[regex]]' -- check by looking for files in library path +# that responds to the $file_magic_cmd with a given extended regex. +# If you have 'file' or equivalent on your system and you're not sure +# whether 'pass_all' will *always* work, you probably want this one. + +case $host_os in +aix[4-9]*) + lt_cv_deplibs_check_method=pass_all + ;; + +beos*) + lt_cv_deplibs_check_method=pass_all + ;; + +bsdi[45]*) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' + lt_cv_file_magic_cmd='/usr/bin/file -L' + lt_cv_file_magic_test_file=/shlib/libc.so + ;; + +cygwin*) + # func_win32_libid is a shell function defined in ltmain.sh + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + ;; + +mingw* | pw32*) + # Base MSYS/MinGW do not provide the 'file' command needed by + # func_win32_libid shell function, so use a weaker test based on 'objdump', + # unless we find 'file', for example because we are cross-compiling. + if ( file / ) >/dev/null 2>&1; then + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + else + # Keep this pattern in sync with the one in func_win32_libid. + lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' + lt_cv_file_magic_cmd='$OBJDUMP -f' + fi + ;; + +cegcc*) + # use the weaker test based on 'objdump'. See mingw*. + lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' + lt_cv_file_magic_cmd='$OBJDUMP -f' + ;; + +darwin* | rhapsody*) + lt_cv_deplibs_check_method=pass_all + ;; + +freebsd* | dragonfly*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + case $host_cpu in + i*86 ) + # Not sure whether the presence of OpenBSD here was a mistake. + # Let's accept both of them until this is cleared up. + lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[3-9]86 (compact )?demand paged shared library' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` + ;; + esac + else + lt_cv_deplibs_check_method=pass_all + fi + ;; + +haiku*) + lt_cv_deplibs_check_method=pass_all + ;; + +hpux10.20* | hpux11*) + lt_cv_file_magic_cmd=/usr/bin/file + case $host_cpu in + ia64*) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64' + lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so + ;; + hppa*64*) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]' + lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl + ;; + *) + lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9]\.[0-9]) shared library' + lt_cv_file_magic_test_file=/usr/lib/libc.sl + ;; + esac + ;; + +interix[3-9]*) + # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|\.a)$' + ;; + +irix5* | irix6* | nonstopux*) + case $LD in + *-32|*"-32 ") libmagic=32-bit;; + *-n32|*"-n32 ") libmagic=N32;; + *-64|*"-64 ") libmagic=64-bit;; + *) libmagic=never-match;; + esac + lt_cv_deplibs_check_method=pass_all + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + lt_cv_deplibs_check_method=pass_all + ;; + +netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so|_pic\.a)$' + fi + ;; + +newos6*) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=/usr/lib/libnls.so + ;; + +*nto* | *qnx*) + lt_cv_deplibs_check_method=pass_all + ;; + +openbsd* | bitrig*) + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|\.so|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$' + fi + ;; + +osf3* | osf4* | osf5*) + lt_cv_deplibs_check_method=pass_all + ;; + +rdos*) + lt_cv_deplibs_check_method=pass_all + ;; + +solaris*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv4 | sysv4.3*) + case $host_vendor in + motorola) + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` + ;; + ncr) + lt_cv_deplibs_check_method=pass_all + ;; + sequent) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' + ;; + sni) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method="file_magic ELF [0-9][0-9]*-bit [LM]SB dynamic lib" + lt_cv_file_magic_test_file=/lib/libc.so + ;; + siemens) + lt_cv_deplibs_check_method=pass_all + ;; + pc) + lt_cv_deplibs_check_method=pass_all + ;; + esac + ;; + +tpf*) + lt_cv_deplibs_check_method=pass_all + ;; +os2*) + lt_cv_deplibs_check_method=pass_all + ;; +esac + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5 +$as_echo "$lt_cv_deplibs_check_method" >&6; } + +file_magic_glob= +want_nocaseglob=no +if test "$build" = "$host"; then + case $host_os in + mingw* | pw32*) + if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then + want_nocaseglob=yes + else + file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[\1]\/[\1]\/g;/g"` + fi + ;; + esac +fi + +file_magic_cmd=$lt_cv_file_magic_cmd +deplibs_check_method=$lt_cv_deplibs_check_method +test -z "$deplibs_check_method" && deplibs_check_method=unknown + + + + + + + + + + + + + + + + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args. +set dummy ${ac_tool_prefix}dlltool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DLLTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DLLTOOL"; then + ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_DLLTOOL="${ac_tool_prefix}dlltool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DLLTOOL=$ac_cv_prog_DLLTOOL +if test -n "$DLLTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DLLTOOL" >&5 +$as_echo "$DLLTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_DLLTOOL"; then + ac_ct_DLLTOOL=$DLLTOOL + # Extract the first word of "dlltool", so it can be a program name with args. +set dummy dlltool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DLLTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DLLTOOL"; then + ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_DLLTOOL="dlltool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL +if test -n "$ac_ct_DLLTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DLLTOOL" >&5 +$as_echo "$ac_ct_DLLTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_DLLTOOL" = x; then + DLLTOOL="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DLLTOOL=$ac_ct_DLLTOOL + fi +else + DLLTOOL="$ac_cv_prog_DLLTOOL" +fi + +test -z "$DLLTOOL" && DLLTOOL=dlltool + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to associate runtime and link libraries" >&5 +$as_echo_n "checking how to associate runtime and link libraries... " >&6; } +if ${lt_cv_sharedlib_from_linklib_cmd+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_sharedlib_from_linklib_cmd='unknown' + +case $host_os in +cygwin* | mingw* | pw32* | cegcc*) + # two different shell functions defined in ltmain.sh; + # decide which one to use based on capabilities of $DLLTOOL + case `$DLLTOOL --help 2>&1` in + *--identify-strict*) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib + ;; + *) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback + ;; + esac + ;; +*) + # fallback: assume linklib IS sharedlib + lt_cv_sharedlib_from_linklib_cmd=$ECHO + ;; +esac + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5 +$as_echo "$lt_cv_sharedlib_from_linklib_cmd" >&6; } +sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd +test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO + + + + + + + +if test -n "$ac_tool_prefix"; then + for ac_prog in ar + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_AR+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$AR"; then + ac_cv_prog_AR="$AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_AR="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AR=$ac_cv_prog_AR +if test -n "$AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5 +$as_echo "$AR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$AR" && break + done +fi +if test -z "$AR"; then + ac_ct_AR=$AR + for ac_prog in ar +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_AR+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_AR"; then + ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_AR="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_AR=$ac_cv_prog_ac_ct_AR +if test -n "$ac_ct_AR"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5 +$as_echo "$ac_ct_AR" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_AR" && break +done + + if test "x$ac_ct_AR" = x; then + AR="false" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + AR=$ac_ct_AR + fi +fi + +: ${AR=ar} + + + + + + +# Use ARFLAGS variable as AR's operation code to sync the variable naming with +# Automake. If both AR_FLAGS and ARFLAGS are specified, AR_FLAGS should have +# higher priority because thats what people were doing historically (setting +# ARFLAGS for automake and AR_FLAGS for libtool). FIXME: Make the AR_FLAGS +# variable obsoleted/removed. + +test ${AR_FLAGS+y} || AR_FLAGS=${ARFLAGS-cr} +lt_ar_flags=$AR_FLAGS + + + + + + +# Make AR_FLAGS overridable by 'make ARFLAGS='. Don't try to run-time override +# by AR_FLAGS because that was never working and AR_FLAGS is about to die. + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for archiver @FILE support" >&5 +$as_echo_n "checking for archiver @FILE support... " >&6; } +if ${lt_cv_ar_at_file+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ar_at_file=no + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + echo conftest.$ac_objext > conftest.lst + lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&5' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 + (eval $lt_ar_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if test 0 -eq "$ac_status"; then + # Ensure the archiver fails upon bogus file names. + rm -f conftest.$ac_objext libconftest.a + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$lt_ar_try\""; } >&5 + (eval $lt_ar_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if test 0 -ne "$ac_status"; then + lt_cv_ar_at_file=@ + fi + fi + rm -f conftest.* libconftest.a + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5 +$as_echo "$lt_cv_ar_at_file" >&6; } + +if test no = "$lt_cv_ar_at_file"; then + archiver_list_spec= +else + archiver_list_spec=$lt_cv_ar_at_file +fi + + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 +$as_echo "$STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_STRIP="strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 +$as_echo "$ac_ct_STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_STRIP" = x; then + STRIP=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + STRIP=$ac_ct_STRIP + fi +else + STRIP="$ac_cv_prog_STRIP" +fi + +test -z "$STRIP" && STRIP=: + + + + + + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. +set dummy ${ac_tool_prefix}ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$RANLIB"; then + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +RANLIB=$ac_cv_prog_RANLIB +if test -n "$RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 +$as_echo "$RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_RANLIB"; then + ac_ct_RANLIB=$RANLIB + # Extract the first word of "ranlib", so it can be a program name with args. +set dummy ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_RANLIB"; then + ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_RANLIB="ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB +if test -n "$ac_ct_RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 +$as_echo "$ac_ct_RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_RANLIB" = x; then + RANLIB=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + RANLIB=$ac_ct_RANLIB + fi +else + RANLIB="$ac_cv_prog_RANLIB" +fi + +test -z "$RANLIB" && RANLIB=: + + + + + + +# Determine commands to create old-style static archives. +old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' +old_postinstall_cmds='chmod 644 $oldlib' +old_postuninstall_cmds= + +if test -n "$RANLIB"; then + case $host_os in + bitrig* | openbsd*) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" + ;; + *) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" + ;; + esac + old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" +fi + +case $host_os in + darwin*) + lock_old_archive_extraction=yes ;; + *) + lock_old_archive_extraction=no ;; +esac + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC + + +# Check for command to grab the raw symbol name followed by C symbol from nm. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5 +$as_echo_n "checking command to parse $NM output from $compiler object... " >&6; } +if ${lt_cv_sys_global_symbol_pipe+:} false; then : + $as_echo_n "(cached) " >&6 +else + +# These are sane defaults that work on at least a few old systems. +# [They come from Ultrix. What could be older than Ultrix?!! ;)] + +# Character class describing NM global symbol codes. +symcode='[BCDEGRST]' + +# Regexp to match symbols that can be accessed directly from C. +sympat='\([_A-Za-z][_A-Za-z0-9]*\)' + +# Define system-specific variables. +case $host_os in +aix*) + symcode='[BCDT]' + ;; +cygwin* | mingw* | pw32* | cegcc*) + symcode='[ABCDGISTW]' + ;; +hpux*) + if test ia64 = "$host_cpu"; then + symcode='[ABCDEGRST]' + fi + ;; +irix* | nonstopux*) + symcode='[BCDEGRST]' + ;; +osf*) + symcode='[BCDEGQRST]' + ;; +solaris*) + symcode='[BDRT]' + ;; +sco3.2v5*) + symcode='[DT]' + ;; +sysv4.2uw2*) + symcode='[DT]' + ;; +sysv5* | sco5v6* | unixware* | OpenUNIX*) + symcode='[ABDT]' + ;; +sysv4) + symcode='[DFNSTU]' + ;; +esac + +# If we're using GNU nm, then use its standard symbol codes. +case `$NM -V 2>&1` in +*GNU* | *'with BFD'*) + symcode='[ABCDGIRSTW]' ;; +esac + +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Gets list of data symbols to import. + lt_cv_sys_global_symbol_to_import="sed -n -e 's/^I .* \(.*\)$/\1/p'" + # Adjust the below global symbol transforms to fixup imported variables. + lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" + lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" + lt_c_name_lib_hook="\ + -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ + -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" +else + # Disable hooks by default. + lt_cv_sys_global_symbol_to_import= + lt_cdecl_hook= + lt_c_name_hook= + lt_c_name_lib_hook= +fi + +# Transform an extracted symbol line into a proper C declaration. +# Some systems (esp. on ia64) link data and code symbols differently, +# so use this general approach. +lt_cv_sys_global_symbol_to_cdecl="sed -n"\ +$lt_cdecl_hook\ +" -e 's/^T .* \(.*\)$/extern int \1();/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" + +# Transform an extracted symbol line into symbol name and symbol address +lt_cv_sys_global_symbol_to_c_name_address="sed -n"\ +$lt_c_name_hook\ +" -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" + +# Transform an extracted symbol line into symbol name with lib prefix and +# symbol address. +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n"\ +$lt_c_name_lib_hook\ +" -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ +" -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" + +# Handle CRLF in mingw tool chain +opt_cr= +case $build_os in +mingw*) + opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp + ;; +esac + +# Try without a prefix underscore, then with it. +for ac_symprfx in "" "_"; do + + # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. + symxfrm="\\1 $ac_symprfx\\2 \\2" + + # Write the raw and C identifiers. + if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Fake it for dumpbin and say T for any non-static function, + # D for any global variable and I for any imported variable. + # Also find C++ and __fastcall symbols from MSVC++ or ICC, + # which start with @ or ?. + lt_cv_sys_global_symbol_pipe="$AWK '"\ +" {last_section=section; section=\$ 3};"\ +" /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ +" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ +" /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ +" /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ +" /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ +" \$ 0!~/External *\|/{next};"\ +" / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ +" {if(hide[section]) next};"\ +" {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ +" {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ +" s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ +" s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ +" ' prfx=^$ac_symprfx" + else + lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" + fi + lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" + + # Check to see that the pipe works correctly. + pipe_works=no + + rm -f conftest* + cat > conftest.$ac_ext <<_LT_EOF +#ifdef __cplusplus +extern "C" { +#endif +char nm_test_var; +void nm_test_func(void); +void nm_test_func(void){} +#ifdef __cplusplus +} +#endif +int main(){nm_test_var='a';nm_test_func();return(0);} +_LT_EOF + + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + # Now try to grab the symbols. + nlist=conftest.nm + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5 + (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s "$nlist"; then + # Try sorting and uniquifying the output. + if sort "$nlist" | uniq > "$nlist"T; then + mv -f "$nlist"T "$nlist" + else + rm -f "$nlist"T + fi + + # Make sure that we snagged all the symbols we need. + if $GREP ' nm_test_var$' "$nlist" >/dev/null; then + if $GREP ' nm_test_func$' "$nlist" >/dev/null; then + cat <<_LT_EOF > conftest.$ac_ext +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE +/* DATA imports from DLLs on WIN32 can't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT_DLSYM_CONST +#elif defined __osf__ +/* This system does not cope well with relocations in const data. */ +# define LT_DLSYM_CONST +#else +# define LT_DLSYM_CONST const +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +_LT_EOF + # Now generate the symbol file. + eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' + + cat <<_LT_EOF >> conftest.$ac_ext + +/* The mapping between symbol names and symbols. */ +LT_DLSYM_CONST struct { + const char *name; + void *address; +} +lt__PROGRAM__LTX_preloaded_symbols[] = +{ + { "@PROGRAM@", (void *) 0 }, +_LT_EOF + $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext + cat <<\_LT_EOF >> conftest.$ac_ext + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt__PROGRAM__LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif +_LT_EOF + # Now try linking the two files. + mv conftest.$ac_objext conftstm.$ac_objext + lt_globsym_save_LIBS=$LIBS + lt_globsym_save_CFLAGS=$CFLAGS + LIBS=conftstm.$ac_objext + CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag" + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s conftest$ac_exeext; then + pipe_works=yes + fi + LIBS=$lt_globsym_save_LIBS + CFLAGS=$lt_globsym_save_CFLAGS + else + echo "cannot find nm_test_func in $nlist" >&5 + fi + else + echo "cannot find nm_test_var in $nlist" >&5 + fi + else + echo "cannot run $lt_cv_sys_global_symbol_pipe" >&5 + fi + else + echo "$progname: failed program was:" >&5 + cat conftest.$ac_ext >&5 + fi + rm -rf conftest* conftst* + + # Do not use the global_symbol_pipe unless it works. + if test yes = "$pipe_works"; then + break + else + lt_cv_sys_global_symbol_pipe= + fi +done + +fi + +if test -z "$lt_cv_sys_global_symbol_pipe"; then + lt_cv_sys_global_symbol_to_cdecl= +fi +if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5 +$as_echo "failed" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5 +$as_echo "ok" >&6; } +fi + +# Response file support. +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + nm_file_list_spec='@' +elif $NM --help 2>/dev/null | grep '[@]FILE' >/dev/null; then + nm_file_list_spec='@' +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysroot" >&5 +$as_echo_n "checking for sysroot... " >&6; } + +# Check whether --with-sysroot was given. +if test "${with_sysroot+set}" = set; then : + withval=$with_sysroot; +else + with_sysroot=no +fi + + +lt_sysroot= +case $with_sysroot in #( + yes) + if test yes = "$GCC"; then + lt_sysroot=`$CC --print-sysroot 2>/dev/null` + fi + ;; #( + /*) + lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` + ;; #( + no|'') + ;; #( + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_sysroot" >&5 +$as_echo "$with_sysroot" >&6; } + as_fn_error $? "The sysroot must be an absolute path." "$LINENO" 5 + ;; +esac + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${lt_sysroot:-no}" >&5 +$as_echo "${lt_sysroot:-no}" >&6; } + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a working dd" >&5 +$as_echo_n "checking for a working dd... " >&6; } +if ${ac_cv_path_lt_DD+:} false; then : + $as_echo_n "(cached) " >&6 +else + printf 0123456789abcdef0123456789abcdef >conftest.i +cat conftest.i conftest.i >conftest2.i +: ${lt_DD:=$DD} +if test -z "$lt_DD"; then + ac_path_lt_DD_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in dd; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_lt_DD="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_lt_DD" || continue +if "$ac_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then + cmp -s conftest.i conftest.out \ + && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=: +fi + $ac_path_lt_DD_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_lt_DD"; then + : + fi +else + ac_cv_path_lt_DD=$lt_DD +fi + +rm -f conftest.i conftest2.i conftest.out +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_lt_DD" >&5 +$as_echo "$ac_cv_path_lt_DD" >&6; } + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to truncate binary pipes" >&5 +$as_echo_n "checking how to truncate binary pipes... " >&6; } +if ${lt_cv_truncate_bin+:} false; then : + $as_echo_n "(cached) " >&6 +else + printf 0123456789abcdef0123456789abcdef >conftest.i +cat conftest.i conftest.i >conftest2.i +lt_cv_truncate_bin= +if "$ac_cv_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then + cmp -s conftest.i conftest.out \ + && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1" +fi +rm -f conftest.i conftest2.i conftest.out +test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_truncate_bin" >&5 +$as_echo "$lt_cv_truncate_bin" >&6; } + + + + + + + +# Calculate cc_basename. Skip known compiler wrappers and cross-prefix. +func_cc_basename () +{ + for cc_temp in $*""; do + case $cc_temp in + compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; + distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; + \-*) ;; + *) break;; + esac + done + func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` +} + +# Check whether --enable-libtool-lock was given. +if test "${enable_libtool_lock+set}" = set; then : + enableval=$enable_libtool_lock; +fi + +test no = "$enable_libtool_lock" || enable_libtool_lock=yes + +# Some flags need to be propagated to the compiler or linker for good +# libtool support. +case $host in +ia64-*-hpux*) + # Find out what ABI is being produced by ac_compile, and set mode + # options accordingly. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.$ac_objext` in + *ELF-32*) + HPUX_IA64_MODE=32 + ;; + *ELF-64*) + HPUX_IA64_MODE=64 + ;; + esac + fi + rm -rf conftest* + ;; +*-*-irix6*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo '#line '$LINENO' "configure"' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + if test yes = "$lt_cv_prog_gnu_ld"; then + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -melf32bsmip" + ;; + *N32*) + LD="${LD-ld} -melf32bmipn32" + ;; + *64-bit*) + LD="${LD-ld} -melf64bmip" + ;; + esac + else + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -32" + ;; + *N32*) + LD="${LD-ld} -n32" + ;; + *64-bit*) + LD="${LD-ld} -64" + ;; + esac + fi + fi + rm -rf conftest* + ;; + +mips64*-*linux*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo '#line '$LINENO' "configure"' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + emul=elf + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + emul="${emul}32" + ;; + *64-bit*) + libsuff=64 + emul="${emul}64" + ;; + esac + case `/usr/bin/file conftest.$ac_objext` in + *MSB*) + emul="${emul}btsmip" + ;; + *LSB*) + emul="${emul}ltsmip" + ;; + esac + case `/usr/bin/file conftest.$ac_objext` in + *N32*) + libsuff=n32 + emul="${emul}n32" + ;; + esac + LD="${LD-ld} -m $emul" + fi + rm -rf conftest* + ;; + +aarch64*-*linux*|x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \ +riscv64*-*linux*|s390*-*linux*|s390*-*tpf*|sparc*-*linux*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. Note that the listed cases only cover the + # situations where additional linker options are needed (such as when + # doing 32-bit compilation for a host where ld defaults to 64-bit, or + # vice versa); the common cases where no linker options are needed do + # not appear in the list. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.o` in + *32-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_i386_fbsd" + ;; + x86_64-*linux*-gnux32) + libsuff=x32 + LD="${LD-ld} -m elf32_x86_64" + ;; + x86_64-*linux*) + case `/usr/bin/file conftest.o` in + *x86-64*) + LD="${LD-ld} -m elf32_x86_64" + ;; + *) + LD="${LD-ld} -m elf_i386" + ;; + esac + ;; + powerpc64le-*linux*) + LD="${LD-ld} -m elf32lppclinux" + ;; + powerpc64-*linux*) + LD="${LD-ld} -m elf32ppclinux" + ;; + s390x-*linux*) + LD="${LD-ld} -m elf_s390" + ;; + sparc64-*linux*) + LD="${LD-ld} -m elf32_sparc" + ;; + esac + ;; + *64-bit*) + libsuff=64 + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_x86_64_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_x86_64" + ;; + powerpcle-*linux*) + LD="${LD-ld} -m elf64lppc" + ;; + powerpc-*linux*) + LD="${LD-ld} -m elf64ppc" + ;; + s390*-*linux*|s390*-*tpf*) + LD="${LD-ld} -m elf64_s390" + ;; + sparc*-*linux*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; + +*-*-sco3.2v5*) + # On SCO OpenServer 5, we need -belf to get full-featured binaries. + SAVE_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS -belf" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5 +$as_echo_n "checking whether the C compiler needs -belf... " >&6; } +if ${lt_cv_cc_needs_belf+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_cc_needs_belf=yes +else + lt_cv_cc_needs_belf=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5 +$as_echo "$lt_cv_cc_needs_belf" >&6; } + if test yes != "$lt_cv_cc_needs_belf"; then + # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf + CFLAGS=$SAVE_CFLAGS + fi + ;; +*-*solaris*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo 'int i;' > conftest.$ac_ext + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + case `/usr/bin/file conftest.o` in + *64-bit*) + case $lt_cv_prog_gnu_ld in + yes*) + case $host in + i?86-*-solaris*|x86_64-*-solaris*) + LD="${LD-ld} -m elf_x86_64" + ;; + sparc*-*-solaris*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + # GNU ld 2.21 introduced _sol2 emulations. Use them if available. + if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then + LD=${LD-ld}_sol2 + fi + ;; + *) + if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then + LD="${LD-ld} -64" + fi + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; +esac + +need_locks=$enable_libtool_lock + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}mt", so it can be a program name with args. +set dummy ${ac_tool_prefix}mt; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_MANIFEST_TOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$MANIFEST_TOOL"; then + ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_MANIFEST_TOOL="${ac_tool_prefix}mt" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL +if test -n "$MANIFEST_TOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MANIFEST_TOOL" >&5 +$as_echo "$MANIFEST_TOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_MANIFEST_TOOL"; then + ac_ct_MANIFEST_TOOL=$MANIFEST_TOOL + # Extract the first word of "mt", so it can be a program name with args. +set dummy mt; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_MANIFEST_TOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_MANIFEST_TOOL"; then + ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_MANIFEST_TOOL="mt" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL +if test -n "$ac_ct_MANIFEST_TOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_MANIFEST_TOOL" >&5 +$as_echo "$ac_ct_MANIFEST_TOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_MANIFEST_TOOL" = x; then + MANIFEST_TOOL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + MANIFEST_TOOL=$ac_ct_MANIFEST_TOOL + fi +else + MANIFEST_TOOL="$ac_cv_prog_MANIFEST_TOOL" +fi + +test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $MANIFEST_TOOL is a manifest tool" >&5 +$as_echo_n "checking if $MANIFEST_TOOL is a manifest tool... " >&6; } +if ${lt_cv_path_mainfest_tool+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_path_mainfest_tool=no + echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5 + $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out + cat conftest.err >&5 + if $GREP 'Manifest Tool' conftest.out > /dev/null; then + lt_cv_path_mainfest_tool=yes + fi + rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5 +$as_echo "$lt_cv_path_mainfest_tool" >&6; } +if test yes != "$lt_cv_path_mainfest_tool"; then + MANIFEST_TOOL=: +fi + + + + + + + case $host_os in + rhapsody* | darwin*) + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args. +set dummy ${ac_tool_prefix}dsymutil; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_DSYMUTIL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$DSYMUTIL"; then + ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +DSYMUTIL=$ac_cv_prog_DSYMUTIL +if test -n "$DSYMUTIL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5 +$as_echo "$DSYMUTIL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_DSYMUTIL"; then + ac_ct_DSYMUTIL=$DSYMUTIL + # Extract the first word of "dsymutil", so it can be a program name with args. +set dummy dsymutil; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_DSYMUTIL"; then + ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_DSYMUTIL="dsymutil" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL +if test -n "$ac_ct_DSYMUTIL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5 +$as_echo "$ac_ct_DSYMUTIL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_DSYMUTIL" = x; then + DSYMUTIL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + DSYMUTIL=$ac_ct_DSYMUTIL + fi +else + DSYMUTIL="$ac_cv_prog_DSYMUTIL" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args. +set dummy ${ac_tool_prefix}nmedit; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_NMEDIT+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$NMEDIT"; then + ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +NMEDIT=$ac_cv_prog_NMEDIT +if test -n "$NMEDIT"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5 +$as_echo "$NMEDIT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_NMEDIT"; then + ac_ct_NMEDIT=$NMEDIT + # Extract the first word of "nmedit", so it can be a program name with args. +set dummy nmedit; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_NMEDIT"; then + ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_NMEDIT="nmedit" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT +if test -n "$ac_ct_NMEDIT"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5 +$as_echo "$ac_ct_NMEDIT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_NMEDIT" = x; then + NMEDIT=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + NMEDIT=$ac_ct_NMEDIT + fi +else + NMEDIT="$ac_cv_prog_NMEDIT" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args. +set dummy ${ac_tool_prefix}lipo; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_LIPO+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$LIPO"; then + ac_cv_prog_LIPO="$LIPO" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_LIPO="${ac_tool_prefix}lipo" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +LIPO=$ac_cv_prog_LIPO +if test -n "$LIPO"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5 +$as_echo "$LIPO" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_LIPO"; then + ac_ct_LIPO=$LIPO + # Extract the first word of "lipo", so it can be a program name with args. +set dummy lipo; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_LIPO+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_LIPO"; then + ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_LIPO="lipo" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO +if test -n "$ac_ct_LIPO"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5 +$as_echo "$ac_ct_LIPO" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_LIPO" = x; then + LIPO=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + LIPO=$ac_ct_LIPO + fi +else + LIPO="$ac_cv_prog_LIPO" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args. +set dummy ${ac_tool_prefix}otool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OTOOL"; then + ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_OTOOL="${ac_tool_prefix}otool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OTOOL=$ac_cv_prog_OTOOL +if test -n "$OTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5 +$as_echo "$OTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OTOOL"; then + ac_ct_OTOOL=$OTOOL + # Extract the first word of "otool", so it can be a program name with args. +set dummy otool; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OTOOL+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OTOOL"; then + ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OTOOL="otool" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL +if test -n "$ac_ct_OTOOL"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5 +$as_echo "$ac_ct_OTOOL" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OTOOL" = x; then + OTOOL=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OTOOL=$ac_ct_OTOOL + fi +else + OTOOL="$ac_cv_prog_OTOOL" +fi + + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args. +set dummy ${ac_tool_prefix}otool64; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_OTOOL64+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$OTOOL64"; then + ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +OTOOL64=$ac_cv_prog_OTOOL64 +if test -n "$OTOOL64"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5 +$as_echo "$OTOOL64" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_OTOOL64"; then + ac_ct_OTOOL64=$OTOOL64 + # Extract the first word of "otool64", so it can be a program name with args. +set dummy otool64; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_OTOOL64+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_OTOOL64"; then + ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_OTOOL64="otool64" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64 +if test -n "$ac_ct_OTOOL64"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5 +$as_echo "$ac_ct_OTOOL64" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_OTOOL64" = x; then + OTOOL64=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + OTOOL64=$ac_ct_OTOOL64 + fi +else + OTOOL64="$ac_cv_prog_OTOOL64" +fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5 +$as_echo_n "checking for -single_module linker flag... " >&6; } +if ${lt_cv_apple_cc_single_mod+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_apple_cc_single_mod=no + if test -z "$LT_MULTI_MODULE"; then + # By default we will add the -single_module flag. You can override + # by either setting the environment variable LT_MULTI_MODULE + # non-empty at configure time, or by adding -multi_module to the + # link flags. + rm -rf libconftest.dylib* + echo "int foo(void){return 1;}" > conftest.c + echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ +-dynamiclib -Wl,-single_module conftest.c" >&5 + $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ + -dynamiclib -Wl,-single_module conftest.c 2>conftest.err + _lt_result=$? + # If there is a non-empty error log, and "single_module" + # appears in it, assume the flag caused a linker warning + if test -s conftest.err && $GREP single_module conftest.err; then + cat conftest.err >&5 + # Otherwise, if the output was created with a 0 exit code from + # the compiler, it worked. + elif test -f libconftest.dylib && test 0 = "$_lt_result"; then + lt_cv_apple_cc_single_mod=yes + else + cat conftest.err >&5 + fi + rm -rf libconftest.dylib* + rm -f conftest.* + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5 +$as_echo "$lt_cv_apple_cc_single_mod" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5 +$as_echo_n "checking for -exported_symbols_list linker flag... " >&6; } +if ${lt_cv_ld_exported_symbols_list+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_exported_symbols_list=no + save_LDFLAGS=$LDFLAGS + echo "_main" > conftest.sym + LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_ld_exported_symbols_list=yes +else + lt_cv_ld_exported_symbols_list=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$save_LDFLAGS + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5 +$as_echo "$lt_cv_ld_exported_symbols_list" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -force_load linker flag" >&5 +$as_echo_n "checking for -force_load linker flag... " >&6; } +if ${lt_cv_ld_force_load+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_ld_force_load=no + cat > conftest.c << _LT_EOF +int forced_loaded() { return 2;} +_LT_EOF + echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&5 + $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&5 + echo "$AR $AR_FLAGS libconftest.a conftest.o" >&5 + $AR $AR_FLAGS libconftest.a conftest.o 2>&5 + echo "$RANLIB libconftest.a" >&5 + $RANLIB libconftest.a 2>&5 + cat > conftest.c << _LT_EOF +int main() { return 0;} +_LT_EOF + echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&5 + $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err + _lt_result=$? + if test -s conftest.err && $GREP force_load conftest.err; then + cat conftest.err >&5 + elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then + lt_cv_ld_force_load=yes + else + cat conftest.err >&5 + fi + rm -f conftest.err libconftest.a conftest conftest.c + rm -rf conftest.dSYM + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5 +$as_echo "$lt_cv_ld_force_load" >&6; } + case $host_os in + rhapsody* | darwin1.[012]) + _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;; + darwin1.*) + _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; + darwin*) # darwin 5.x on + # if running on 10.5 or later, the deployment target defaults + # to the OS version, if on x86, and 10.4, the deployment + # target defaults to 10.4. Don't you love it? + case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in + 10.0,*86*-darwin8*|10.0,*-darwin[91]*) + _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;; + 10.[012][,.]*) + _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; + 10.*) + _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;; + esac + ;; + esac + if test yes = "$lt_cv_apple_cc_single_mod"; then + _lt_dar_single_mod='$single_module' + fi + if test yes = "$lt_cv_ld_exported_symbols_list"; then + _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym' + else + _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib' + fi + if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then + _lt_dsymutil='~$DSYMUTIL $lib || :' + else + _lt_dsymutil= + fi + ;; + esac + +# func_munge_path_list VARIABLE PATH +# ----------------------------------- +# VARIABLE is name of variable containing _space_ separated list of +# directories to be munged by the contents of PATH, which is string +# having a format: +# "DIR[:DIR]:" +# string "DIR[ DIR]" will be prepended to VARIABLE +# ":DIR[:DIR]" +# string "DIR[ DIR]" will be appended to VARIABLE +# "DIRP[:DIRP]::[DIRA:]DIRA" +# string "DIRP[ DIRP]" will be prepended to VARIABLE and string +# "DIRA[ DIRA]" will be appended to VARIABLE +# "DIR[:DIR]" +# VARIABLE will be replaced by "DIR[ DIR]" +func_munge_path_list () +{ + case x$2 in + x) + ;; + *:) + eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\" + ;; + x:*) + eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\" + ;; + *::*) + eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\" + eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\" + ;; + *) + eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\" + ;; + esac +} + +for ac_header in dlfcn.h +do : + ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default +" +if test "x$ac_cv_header_dlfcn_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_DLFCN_H 1 +_ACEOF + +fi + +done + + + + + +# Set options +# Check whether --enable-static was given. +if test "${enable_static+set}" = set; then : + enableval=$enable_static; p=${PACKAGE-default} + case $enableval in + yes) enable_static=yes ;; + no) enable_static=no ;; + *) + enable_static=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_static=yes + fi + done + IFS=$lt_save_ifs + ;; + esac +else + enable_static=no +fi + + + + + + + + + + + enable_dlopen=no + + + enable_win32_dll=no + + + # Check whether --enable-shared was given. +if test "${enable_shared+set}" = set; then : + enableval=$enable_shared; p=${PACKAGE-default} + case $enableval in + yes) enable_shared=yes ;; + no) enable_shared=no ;; + *) + enable_shared=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_shared=yes + fi + done + IFS=$lt_save_ifs + ;; + esac +else + enable_shared=yes +fi + + + + + + + + + + + +# Check whether --with-pic was given. +if test "${with_pic+set}" = set; then : + withval=$with_pic; lt_p=${PACKAGE-default} + case $withval in + yes|no) pic_mode=$withval ;; + *) + pic_mode=default + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for lt_pkg in $withval; do + IFS=$lt_save_ifs + if test "X$lt_pkg" = "X$lt_p"; then + pic_mode=yes + fi + done + IFS=$lt_save_ifs + ;; + esac +else + pic_mode=default +fi + + + + + + + + + # Check whether --enable-fast-install was given. +if test "${enable_fast_install+set}" = set; then : + enableval=$enable_fast_install; p=${PACKAGE-default} + case $enableval in + yes) enable_fast_install=yes ;; + no) enable_fast_install=no ;; + *) + enable_fast_install=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_fast_install=yes + fi + done + IFS=$lt_save_ifs + ;; + esac +else + enable_fast_install=yes +fi + + + + + + + + + shared_archive_member_spec= +case $host,$enable_shared in +power*-*-aix[5-9]*,yes) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking which variant of shared library versioning to provide" >&5 +$as_echo_n "checking which variant of shared library versioning to provide... " >&6; } + +# Check whether --with-aix-soname was given. +if test "${with_aix_soname+set}" = set; then : + withval=$with_aix_soname; case $withval in + aix|svr4|both) + ;; + *) + as_fn_error $? "Unknown argument to --with-aix-soname" "$LINENO" 5 + ;; + esac + lt_cv_with_aix_soname=$with_aix_soname +else + if ${lt_cv_with_aix_soname+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_with_aix_soname=aix +fi + + with_aix_soname=$lt_cv_with_aix_soname +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_aix_soname" >&5 +$as_echo "$with_aix_soname" >&6; } + if test aix != "$with_aix_soname"; then + # For the AIX way of multilib, we name the shared archive member + # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o', + # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File. + # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag, + # the AIX toolchain works better with OBJECT_MODE set (default 32). + if test 64 = "${OBJECT_MODE-32}"; then + shared_archive_member_spec=shr_64 + else + shared_archive_member_spec=shr + fi + fi + ;; +*) + with_aix_soname=aix + ;; +esac + + + + + + + + + + +# This can be used to rebuild libtool when needed +LIBTOOL_DEPS=$ltmain + +# Always use our own libtool. +LIBTOOL='$(SHELL) $(top_builddir)/libtool' + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +test -z "$LN_S" && LN_S="ln -s" + + + + + + + + + + + + + + +if test -n "${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5 +$as_echo_n "checking for objdir... " >&6; } +if ${lt_cv_objdir+:} false; then : + $as_echo_n "(cached) " >&6 +else + rm -f .libs 2>/dev/null +mkdir .libs 2>/dev/null +if test -d .libs; then + lt_cv_objdir=.libs +else + # MS-DOS does not allow filenames that begin with a dot. + lt_cv_objdir=_libs +fi +rmdir .libs 2>/dev/null +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5 +$as_echo "$lt_cv_objdir" >&6; } +objdir=$lt_cv_objdir + + + + + +cat >>confdefs.h <<_ACEOF +#define LT_OBJDIR "$lt_cv_objdir/" +_ACEOF + + + + +case $host_os in +aix3*) + # AIX sometimes has problems with the GCC collect2 program. For some + # reason, if we set the COLLECT_NAMES environment variable, the problems + # vanish in a puff of smoke. + if test set != "${COLLECT_NAMES+set}"; then + COLLECT_NAMES= + export COLLECT_NAMES + fi + ;; +esac + +# Global variables: +ofile=libtool +can_build_shared=yes + +# All known linkers require a '.a' archive for static linking (except MSVC and +# ICC, which need '.lib'). +libext=a + +with_gnu_ld=$lt_cv_prog_gnu_ld + +old_CC=$CC +old_CFLAGS=$CFLAGS + +# Set sane defaults for various variables +test -z "$CC" && CC=cc +test -z "$LTCC" && LTCC=$CC +test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS +test -z "$LD" && LD=ld +test -z "$ac_objext" && ac_objext=o + +func_cc_basename $compiler +cc_basename=$func_cc_basename_result + + +# Only perform the check for file, if the check method requires it +test -z "$MAGIC_CMD" && MAGIC_CMD=file +case $deplibs_check_method in +file_magic*) + if test "$file_magic_cmd" = '$MAGIC_CMD'; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${ac_tool_prefix}file" >&5 +$as_echo_n "checking for ${ac_tool_prefix}file... " >&6; } +if ${lt_cv_path_MAGIC_CMD+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $MAGIC_CMD in +[\\/*] | ?:[\\/]*) + lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD=$MAGIC_CMD + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" + for ac_dir in $ac_dummy; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/${ac_tool_prefix}file"; then + lt_cv_path_MAGIC_CMD=$ac_dir/"${ac_tool_prefix}file" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD=$lt_cv_path_MAGIC_CMD + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS=$lt_save_ifs + MAGIC_CMD=$lt_save_MAGIC_CMD + ;; +esac +fi + +MAGIC_CMD=$lt_cv_path_MAGIC_CMD +if test -n "$MAGIC_CMD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 +$as_echo "$MAGIC_CMD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + + + +if test -z "$lt_cv_path_MAGIC_CMD"; then + if test -n "$ac_tool_prefix"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for file" >&5 +$as_echo_n "checking for file... " >&6; } +if ${lt_cv_path_MAGIC_CMD+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $MAGIC_CMD in +[\\/*] | ?:[\\/]*) + lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD=$MAGIC_CMD + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + ac_dummy="/usr/bin$PATH_SEPARATOR$PATH" + for ac_dir in $ac_dummy; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/file"; then + lt_cv_path_MAGIC_CMD=$ac_dir/"file" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD=$lt_cv_path_MAGIC_CMD + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS=$lt_save_ifs + MAGIC_CMD=$lt_save_MAGIC_CMD + ;; +esac +fi + +MAGIC_CMD=$lt_cv_path_MAGIC_CMD +if test -n "$MAGIC_CMD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5 +$as_echo "$MAGIC_CMD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + else + MAGIC_CMD=: + fi +fi + + fi + ;; +esac + +# Use C for the default configuration in the libtool script + +lt_save_CC=$CC +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +# Source file extension for C test sources. +ac_ext=c + +# Object file extension for compiled C test sources. +objext=o +objext=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="int some_variable = 0;" + +# Code to be used in simple link tests +lt_simple_link_test_code='int main(){return(0);}' + + + + + + + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC + +# Save the default compiler, since it gets overwritten when the other +# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP. +compiler_DEFAULT=$CC + +# save warnings/boilerplate of simple test code +ac_outfile=conftest.$ac_objext +echo "$lt_simple_compile_test_code" >conftest.$ac_ext +eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_compiler_boilerplate=`cat conftest.err` +$RM conftest* + +ac_outfile=conftest.$ac_objext +echo "$lt_simple_link_test_code" >conftest.$ac_ext +eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_linker_boilerplate=`cat conftest.err` +$RM -r conftest* + + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + +lt_prog_compiler_no_builtin_flag= + +if test yes = "$GCC"; then + case $cc_basename in + nvcc*) + lt_prog_compiler_no_builtin_flag=' -Xcompiler -fno-builtin' ;; + *) + lt_prog_compiler_no_builtin_flag=' -fno-builtin' ;; + esac + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5 +$as_echo_n "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; } +if ${lt_cv_prog_compiler_rtti_exceptions+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_rtti_exceptions=no + ac_outfile=conftest.$ac_objext + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="-fno-rtti -fno-exceptions" ## exclude from sc_useless_quotes_in_assignment + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_rtti_exceptions=yes + fi + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5 +$as_echo "$lt_cv_prog_compiler_rtti_exceptions" >&6; } + +if test yes = "$lt_cv_prog_compiler_rtti_exceptions"; then + lt_prog_compiler_no_builtin_flag="$lt_prog_compiler_no_builtin_flag -fno-rtti -fno-exceptions" +else + : +fi + +fi + + + + + + + lt_prog_compiler_wl= +lt_prog_compiler_pic= +lt_prog_compiler_static= + + + if test yes = "$GCC"; then + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_static='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static='-Bstatic' + fi + lt_prog_compiler_pic='-fPIC' + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + lt_prog_compiler_pic='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the '-m68020' flag to GCC prevents building anything better, + # like '-m68040'. + lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + lt_prog_compiler_pic='-DDLL_EXPORT' + case $host_os in + os2*) + lt_prog_compiler_static='$wl-static' + ;; + esac + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + lt_prog_compiler_pic='-fno-common' + ;; + + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + lt_prog_compiler_static= + ;; + + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + # +Z the default + ;; + *) + lt_prog_compiler_pic='-fPIC' + ;; + esac + ;; + + interix[3-9]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + + msdosdjgpp*) + # Just because we use GCC doesn't mean we suddenly get shared libraries + # on systems that don't support them. + lt_prog_compiler_can_build_shared=no + enable_shared=no + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic='-fPIC -shared' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + lt_prog_compiler_pic=-Kconform_pic + fi + ;; + + *) + lt_prog_compiler_pic='-fPIC' + ;; + esac + + case $cc_basename in + nvcc*) # Cuda Compiler Driver 2.2 + lt_prog_compiler_wl='-Xlinker ' + if test -n "$lt_prog_compiler_pic"; then + lt_prog_compiler_pic="-Xcompiler $lt_prog_compiler_pic" + fi + ;; + esac + else + # PORTME Check for flag to pass linker flags through the system compiler. + case $host_os in + aix*) + lt_prog_compiler_wl='-Wl,' + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + lt_prog_compiler_static='-Bstatic' + else + lt_prog_compiler_static='-bnso -bI:/lib/syscalls.exp' + fi + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + lt_prog_compiler_pic='-fno-common' + case $cc_basename in + nagfor*) + # NAG Fortran compiler + lt_prog_compiler_wl='-Wl,-Wl,,' + lt_prog_compiler_pic='-PIC' + lt_prog_compiler_static='-Bstatic' + ;; + esac + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + lt_prog_compiler_pic='-DDLL_EXPORT' + case $host_os in + os2*) + lt_prog_compiler_static='$wl-static' + ;; + esac + ;; + + hpux9* | hpux10* | hpux11*) + lt_prog_compiler_wl='-Wl,' + # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but + # not for PA HP-UX. + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + lt_prog_compiler_pic='+Z' + ;; + esac + # Is there a better lt_prog_compiler_static that works with the bundled CC? + lt_prog_compiler_static='$wl-a ${wl}archive' + ;; + + irix5* | irix6* | nonstopux*) + lt_prog_compiler_wl='-Wl,' + # PIC (with -KPIC) is the default. + lt_prog_compiler_static='-non_shared' + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + # old Intel for x86_64, which still supported -KPIC. + ecc*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-static' + ;; + # icc used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + icc* | ifort*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fPIC' + lt_prog_compiler_static='-static' + ;; + # Lahey Fortran 8.1. + lf95*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='--shared' + lt_prog_compiler_static='--static' + ;; + nagfor*) + # NAG Fortran compiler + lt_prog_compiler_wl='-Wl,-Wl,,' + lt_prog_compiler_pic='-PIC' + lt_prog_compiler_static='-Bstatic' + ;; + tcc*) + # Fabrice Bellard et al's Tiny C Compiler + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fPIC' + lt_prog_compiler_static='-static' + ;; + pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group compilers (*not* the Pentium gcc compiler, + # which looks to be a dead project) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fpic' + lt_prog_compiler_static='-Bstatic' + ;; + ccc*) + lt_prog_compiler_wl='-Wl,' + # All Alpha code is PIC. + lt_prog_compiler_static='-non_shared' + ;; + xl* | bgxl* | bgf* | mpixl*) + # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-qpic' + lt_prog_compiler_static='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [1-7].* | *Sun*Fortran*\ 8.[0-3]*) + # Sun Fortran 8.3 passes all unrecognized flags to the linker + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='' + ;; + *Sun\ F* | *Sun*Fortran*) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='-Qoption ld ' + ;; + *Sun\ C*) + # Sun C 5.9 + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + lt_prog_compiler_wl='-Wl,' + ;; + *Intel*\ [CF]*Compiler*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fPIC' + lt_prog_compiler_static='-static' + ;; + *Portland\ Group*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-fpic' + lt_prog_compiler_static='-Bstatic' + ;; + esac + ;; + esac + ;; + + newsos6) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + lt_prog_compiler_pic='-fPIC -shared' + ;; + + osf3* | osf4* | osf5*) + lt_prog_compiler_wl='-Wl,' + # All OSF/1 code is PIC. + lt_prog_compiler_static='-non_shared' + ;; + + rdos*) + lt_prog_compiler_static='-non_shared' + ;; + + solaris*) + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + case $cc_basename in + f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) + lt_prog_compiler_wl='-Qoption ld ';; + *) + lt_prog_compiler_wl='-Wl,';; + esac + ;; + + sunos4*) + lt_prog_compiler_wl='-Qoption ld ' + lt_prog_compiler_pic='-PIC' + lt_prog_compiler_static='-Bstatic' + ;; + + sysv4 | sysv4.2uw2* | sysv4.3*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + lt_prog_compiler_pic='-Kconform_pic' + lt_prog_compiler_static='-Bstatic' + fi + ;; + + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_pic='-KPIC' + lt_prog_compiler_static='-Bstatic' + ;; + + unicos*) + lt_prog_compiler_wl='-Wl,' + lt_prog_compiler_can_build_shared=no + ;; + + uts4*) + lt_prog_compiler_pic='-pic' + lt_prog_compiler_static='-Bstatic' + ;; + + *) + lt_prog_compiler_can_build_shared=no + ;; + esac + fi + +case $host_os in + # For platforms that do not support PIC, -DPIC is meaningless: + *djgpp*) + lt_prog_compiler_pic= + ;; + *) + lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC" + ;; +esac + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5 +$as_echo_n "checking for $compiler option to produce PIC... " >&6; } +if ${lt_cv_prog_compiler_pic+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_pic=$lt_prog_compiler_pic +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5 +$as_echo "$lt_cv_prog_compiler_pic" >&6; } +lt_prog_compiler_pic=$lt_cv_prog_compiler_pic + +# +# Check to make sure the PIC flag actually works. +# +if test -n "$lt_prog_compiler_pic"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5 +$as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; } +if ${lt_cv_prog_compiler_pic_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_pic_works=no + ac_outfile=conftest.$ac_objext + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="$lt_prog_compiler_pic -DPIC" ## exclude from sc_useless_quotes_in_assignment + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_pic_works=yes + fi + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5 +$as_echo "$lt_cv_prog_compiler_pic_works" >&6; } + +if test yes = "$lt_cv_prog_compiler_pic_works"; then + case $lt_prog_compiler_pic in + "" | " "*) ;; + *) lt_prog_compiler_pic=" $lt_prog_compiler_pic" ;; + esac +else + lt_prog_compiler_pic= + lt_prog_compiler_can_build_shared=no +fi + +fi + + + + + + + + + + + +# +# Check to make sure the static flag actually works. +# +wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5 +$as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; } +if ${lt_cv_prog_compiler_static_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_static_works=no + save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS $lt_tmp_static_flag" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&5 + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler_static_works=yes + fi + else + lt_cv_prog_compiler_static_works=yes + fi + fi + $RM -r conftest* + LDFLAGS=$save_LDFLAGS + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5 +$as_echo "$lt_cv_prog_compiler_static_works" >&6; } + +if test yes = "$lt_cv_prog_compiler_static_works"; then + : +else + lt_prog_compiler_static= +fi + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; } +if ${lt_cv_prog_compiler_c_o+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_c_o=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + lt_cv_prog_compiler_c_o=yes + fi + fi + chmod u+w . 2>&5 + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 +$as_echo "$lt_cv_prog_compiler_c_o" >&6; } + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5 +$as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; } +if ${lt_cv_prog_compiler_c_o+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler_c_o=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&5) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + lt_cv_prog_compiler_c_o=yes + fi + fi + chmod u+w . 2>&5 + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5 +$as_echo "$lt_cv_prog_compiler_c_o" >&6; } + + + + +hard_links=nottested +if test no = "$lt_cv_prog_compiler_c_o" && test no != "$need_locks"; then + # do not overwrite the value of need_locks provided by the user + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5 +$as_echo_n "checking if we can lock with hard links... " >&6; } + hard_links=yes + $RM conftest* + ln conftest.a conftest.b 2>/dev/null && hard_links=no + touch conftest.a + ln conftest.a conftest.b 2>&5 || hard_links=no + ln conftest.a conftest.b 2>/dev/null && hard_links=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5 +$as_echo "$hard_links" >&6; } + if test no = "$hard_links"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&5 +$as_echo "$as_me: WARNING: '$CC' does not support '-c -o', so 'make -j' may be unsafe" >&2;} + need_locks=warn + fi +else + need_locks=no +fi + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5 +$as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; } + + runpath_var= + allow_undefined_flag= + always_export_symbols=no + archive_cmds= + archive_expsym_cmds= + compiler_needs_object=no + enable_shared_with_static_runtimes=no + export_dynamic_flag_spec= + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + hardcode_automatic=no + hardcode_direct=no + hardcode_direct_absolute=no + hardcode_libdir_flag_spec= + hardcode_libdir_separator= + hardcode_minus_L=no + hardcode_shlibpath_var=unsupported + inherit_rpath=no + link_all_deplibs=unknown + module_cmds= + module_expsym_cmds= + old_archive_from_new_cmds= + old_archive_from_expsyms_cmds= + thread_safe_flag_spec= + whole_archive_flag_spec= + # include_expsyms should be a list of space-separated symbols to be *always* + # included in the symbol list + include_expsyms= + # exclude_expsyms can be an extended regexp of symbols to exclude + # it will be wrapped by ' (' and ')$', so one must not match beginning or + # end of line. Example: 'a|bc|.*d.*' will exclude the symbols 'a' and 'bc', + # as well as any symbol that contains 'd'. + exclude_expsyms='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*' + # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out + # platforms (ab)use it in PIC code, but their linkers get confused if + # the symbol is explicitly referenced. Since portable code cannot + # rely on this symbol name, it's probably fine to never include it in + # preloaded symbol tables. + # Exclude shared library initialization/finalization symbols. + extract_expsyms_cmds= + + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + # FIXME: the MSVC++ and ICC port hasn't been tested in a loooong time + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++ or Intel C++ Compiler. + if test yes != "$GCC"; then + with_gnu_ld=no + fi + ;; + interix*) + # we just hope/assume this is gcc and not c89 (= MSVC++ or ICC) + with_gnu_ld=yes + ;; + openbsd* | bitrig*) + with_gnu_ld=no + ;; + linux* | k*bsd*-gnu) + link_all_deplibs=no + ;; + esac + + ld_shlibs=yes + + # On some targets, GNU ld is compatible enough with the native linker + # that we're better off using the native interface for both. + lt_use_gnu_ld_interface=no + if test yes = "$with_gnu_ld"; then + case $host_os in + aix*) + # The AIX port of GNU ld has always aspired to compatibility + # with the native linker. However, as the warning in the GNU ld + # block says, versions before 2.19.5* couldn't really create working + # shared libraries, regardless of the interface used. + case `$LD -v 2>&1` in + *\ \(GNU\ Binutils\)\ 2.19.5*) ;; + *\ \(GNU\ Binutils\)\ 2.[2-9]*) ;; + *\ \(GNU\ Binutils\)\ [3-9]*) ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + fi + + if test yes = "$lt_use_gnu_ld_interface"; then + # If archive_cmds runs LD, not CC, wlarc should be empty + wlarc='$wl' + + # Set some defaults for GNU ld with shared library support. These + # are reset later if shared libraries are not supported. Putting them + # here allows them to be overridden if necessary. + runpath_var=LD_RUN_PATH + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + export_dynamic_flag_spec='$wl--export-dynamic' + # ancient GNU ld didn't support --whole-archive et. al. + if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then + whole_archive_flag_spec=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive' + else + whole_archive_flag_spec= + fi + supports_anon_versioning=no + case `$LD -v | $SED -e 's/(^)\+)\s\+//' 2>&1` in + *GNU\ gold*) supports_anon_versioning=yes ;; + *\ [01].* | *\ 2.[0-9].* | *\ 2.10.*) ;; # catch versions < 2.11 + *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ... + *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ... + *\ 2.11.*) ;; # other 2.11 versions + *) supports_anon_versioning=yes ;; + esac + + # See if GNU ld supports shared libraries. + case $host_os in + aix[3-9]*) + # On AIX/PPC, the GNU linker is very broken + if test ia64 != "$host_cpu"; then + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: the GNU linker, at least up to release 2.19, is reported +*** to be unable to reliably create shared libraries on AIX. +*** Therefore, libtool is disabling shared libraries support. If you +*** really care for shared libraries, you may want to install binutils +*** 2.20 or above, or modify your PATH so that a non-GNU linker is found. +*** You will then need to restart the configuration process. + +_LT_EOF + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='' + ;; + m68k) + archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + esac + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + allow_undefined_flag=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + else + ld_shlibs=no + fi + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # _LT_TAGVAR(hardcode_libdir_flag_spec, ) is actually meaningless, + # as there is no search path for DLLs. + hardcode_libdir_flag_spec='-L$libdir' + export_dynamic_flag_spec='$wl--export-all-symbols' + allow_undefined_flag=unsupported + always_export_symbols=no + enable_shared_with_static_runtimes=yes + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1 DATA/;s/^.*[ ]__nm__\([^ ]*\)[ ][^ ]*/\1 DATA/;/^I[ ]/d;/^[AITW][ ]/s/.* //'\'' | sort | uniq > $export_symbols' + exclude_expsyms='[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname' + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file, use it as + # is; otherwise, prepend EXPORTS... + archive_expsym_cmds='if test DEF = "`$SED -n -e '\''s/^[ ]*//'\'' -e '\''/^\(;.*\)*$/d'\'' -e '\''s/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p'\'' -e q $export_symbols`" ; then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + ld_shlibs=no + fi + ;; + + haiku*) + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + link_all_deplibs=yes + ;; + + os2*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + allow_undefined_flag=unsupported + shrext_cmds=.dll + archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + prefix_cmds="$SED"~ + if test EXPORTS = "`$SED 1q $export_symbols`"; then + prefix_cmds="$prefix_cmds -e 1d"; + fi~ + prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ + cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' + enable_shared_with_static_runtimes=yes + file_list_spec='@' + ;; + + interix[3-9]*) + hardcode_direct=no + hardcode_shlibpath_var=no + hardcode_libdir_flag_spec='$wl-rpath,$libdir' + export_dynamic_flag_spec='$wl-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + archive_expsym_cmds='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) + tmp_diet=no + if test linux-dietlibc = "$host_os"; then + case $cc_basename in + diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn) + esac + fi + if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \ + && test no = "$tmp_diet" + then + tmp_addflag=' $pic_flag' + tmp_sharedflag='-shared' + case $cc_basename,$host_cpu in + pgcc*) # Portland Group C compiler + whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + tmp_addflag=' $pic_flag' + ;; + pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group f77 and f90 compilers + whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + tmp_addflag=' $pic_flag -Mnomain' ;; + ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64 + tmp_addflag=' -i_dynamic' ;; + efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64 + tmp_addflag=' -i_dynamic -nofor_main' ;; + ifc* | ifort*) # Intel Fortran compiler + tmp_addflag=' -nofor_main' ;; + lf95*) # Lahey Fortran 8.1 + whole_archive_flag_spec= + tmp_sharedflag='--shared' ;; + nagfor*) # NAGFOR 5.3 + tmp_sharedflag='-Wl,-shared' ;; + xl[cC]* | bgxl[cC]* | mpixl[cC]*) # IBM XL C 8.0 on PPC (deal with xlf below) + tmp_sharedflag='-qmkshrobj' + tmp_addflag= ;; + nvcc*) # Cuda Compiler Driver 2.2 + whole_archive_flag_spec='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + compiler_needs_object=yes + ;; + esac + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) # Sun C 5.9 + whole_archive_flag_spec='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + compiler_needs_object=yes + tmp_sharedflag='-G' ;; + *Sun\ F*) # Sun Fortran 8.3 + tmp_sharedflag='-G' ;; + esac + archive_cmds='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + + if test yes = "$supports_anon_versioning"; then + archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + if test -r $libname-altlinux.ver; then cp $libname-altlinux.ver $output_objdir/$libname.ver; fi~ + $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib' + fi + + case $cc_basename in + tcc*) + export_dynamic_flag_spec='-rdynamic' + ;; + xlf* | bgf* | bgxlf* | mpixlf*) + # IBM XL Fortran 10.1 on PPC cannot create shared libs itself + whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive' + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib' + if test yes = "$supports_anon_versioning"; then + archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib' + fi + ;; + esac + else + ld_shlibs=no + fi + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' + wlarc= + else + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + fi + ;; + + solaris*) + if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: The releases 2.8.* of the GNU linker cannot reliably +*** create shared libraries on Solaris systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.9.1 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) + case `$LD -v 2>&1` in + *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*) + ld_shlibs=no + cat <<_LT_EOF 1>&2 + +*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 cannot +*** reliably create shared libraries on SCO systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.16.91.0.3 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + ;; + *) + # For security reasons, it is highly recommended that you always + # use absolute paths for naming shared libraries, and exclude the + # DT_RUNPATH tag from executables and libraries. But doing so + # requires that you compile everything twice, which is a pain. + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + esac + ;; + + sunos4*) + archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' + wlarc= + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + *) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + ld_shlibs=no + fi + ;; + esac + + if test no = "$ld_shlibs"; then + runpath_var= + hardcode_libdir_flag_spec= + export_dynamic_flag_spec= + whole_archive_flag_spec= + fi + else + # PORTME fill in a description of your system's linker (not GNU ld) + case $host_os in + aix3*) + allow_undefined_flag=unsupported + always_export_symbols=yes + archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' + # Note: this linker hardcodes the directories in LIBPATH if there + # are no directories specified by -L. + hardcode_minus_L=yes + if test yes = "$GCC" && test -z "$lt_prog_compiler_static"; then + # Neither direct hardcoding nor static linking is supported with a + # broken collect2. + hardcode_direct=unsupported + fi + ;; + + aix[4-9]*) + if test ia64 = "$host_cpu"; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag= + else + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to GNU nm, but means don't demangle to AIX nm. + # Without the "-l" option, or with the "-B" option, AIX nm treats + # weak defined symbols like other global defined symbols, whereas + # GNU nm marks them as "W". + # While the 'weak' keyword is ignored in the Export File, we need + # it in the Import File for the 'aix-soname' feature, so we have + # to replace the "-B" option with "-P" for AIX nm. + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols' + else + export_symbols_cmds='`func_echo_all $NM | $SED -e '\''s/B\([^B]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "L") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && (substr(\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols' + fi + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # have runtime linking enabled, and use it for executables. + # For shared libraries, we enable/disable runtime linking + # depending on the kind of the shared library created - + # when "with_aix_soname,aix_use_runtimelinking" is: + # "aix,no" lib.a(lib.so.V) shared, rtl:no, for executables + # "aix,yes" lib.so shared, rtl:yes, for executables + # lib.a static archive + # "both,no" lib.so.V(shr.o) shared, rtl:yes + # lib.a(lib.so.V) shared, rtl:no, for executables + # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a(lib.so.V) shared, rtl:no + # "svr4,*" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a static archive + case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*) + for ld_flag in $LDFLAGS; do + if (test x-brtl = "x$ld_flag" || test x-Wl,-brtl = "x$ld_flag"); then + aix_use_runtimelinking=yes + break + fi + done + if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then + # With aix-soname=svr4, we create the lib.so.V shared archives only, + # so we don't have lib.a shared libs to link our executables. + # We have to force runtime linking in this case. + aix_use_runtimelinking=yes + LDFLAGS="$LDFLAGS -Wl,-brtl" + fi + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + archive_cmds='' + hardcode_direct=yes + hardcode_direct_absolute=yes + hardcode_libdir_separator=':' + link_all_deplibs=yes + file_list_spec='$wl-f,' + case $with_aix_soname,$aix_use_runtimelinking in + aix,*) ;; # traditional, no import file + svr4,* | *,yes) # use import file + # The Import File defines what to hardcode. + hardcode_direct=no + hardcode_direct_absolute=no + ;; + esac + + if test yes = "$GCC"; then + case $host_os in aix4.[012]|aix4.[012].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`$CC -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + hardcode_direct=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + hardcode_minus_L=yes + hardcode_libdir_flag_spec='-L$libdir' + hardcode_libdir_separator= + fi + ;; + esac + shared_flag='-shared' + if test yes = "$aix_use_runtimelinking"; then + shared_flag="$shared_flag "'$wl-G' + fi + # Need to ensure runtime linking is disabled for the traditional + # shared library, or the linker may eventually find shared libraries + # /with/ Import File - we do not want to mix them. + shared_flag_aix='-shared' + shared_flag_svr4='-shared $wl-G' + else + # not using gcc + if test ia64 = "$host_cpu"; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test yes = "$aix_use_runtimelinking"; then + shared_flag='$wl-G' + else + shared_flag='$wl-bM:SRE' + fi + shared_flag_aix='$wl-bM:SRE' + shared_flag_svr4='$wl-G' + fi + fi + + export_dynamic_flag_spec='$wl-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to export. + always_export_symbols=yes + if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + allow_undefined_flag='-berok' + # Determine the default libpath from the value encoded in an + # empty executable. + if test set = "${lt_cv_aix_libpath+set}"; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath_+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=/usr/lib:/lib + fi + +fi + + aix_libpath=$lt_cv_aix_libpath_ +fi + + hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath" + archive_expsym_cmds='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag + else + if test ia64 = "$host_cpu"; then + hardcode_libdir_flag_spec='$wl-R $libdir:/usr/lib:/lib' + allow_undefined_flag="-z nodefs" + archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + if test set = "${lt_cv_aix_libpath+set}"; then + aix_libpath=$lt_cv_aix_libpath +else + if ${lt_cv_aix_libpath_+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + lt_aix_libpath_sed=' + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }' + lt_cv_aix_libpath_=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test -z "$lt_cv_aix_libpath_"; then + lt_cv_aix_libpath_=/usr/lib:/lib + fi + +fi + + aix_libpath=$lt_cv_aix_libpath_ +fi + + hardcode_libdir_flag_spec='$wl-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + no_undefined_flag=' $wl-bernotok' + allow_undefined_flag=' $wl-berok' + if test yes = "$with_gnu_ld"; then + # We only use this code for GNU lds that support --whole-archive. + whole_archive_flag_spec='$wl--whole-archive$convenience $wl--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + whole_archive_flag_spec='$convenience' + fi + archive_cmds_need_lc=yes + archive_expsym_cmds='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d' + # -brtl affects multiple linker settings, -berok does not and is overridden later + compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([, ]\\)%-berok\\1%g"`' + if test svr4 != "$with_aix_soname"; then + # This is similar to how AIX traditionally builds its shared libraries. + archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname' + fi + if test aix != "$with_aix_soname"; then + archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp' + else + # used by -dlpreopen to get the symbols + archive_expsym_cmds="$archive_expsym_cmds"'~$MV $output_objdir/$realname.d/$soname $output_objdir' + fi + archive_expsym_cmds="$archive_expsym_cmds"'~$RM -r $output_objdir/$realname.d' + fi + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + archive_expsym_cmds='' + ;; + m68k) + archive_cmds='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + esac + ;; + + bsdi[45]*) + export_dynamic_flag_spec=-rdynamic + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++ or Intel C++ Compiler. + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + case $cc_basename in + cl* | icl*) + # Native MSVC or ICC + hardcode_libdir_flag_spec=' ' + allow_undefined_flag=unsupported + always_export_symbols=yes + file_list_spec='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=.dll + # FIXME: Setting linknames here is a bad hack. + archive_cmds='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames=' + archive_expsym_cmds='if test DEF = "`$SED -n -e '\''s/^[ ]*//'\'' -e '\''/^\(;.*\)*$/d'\'' -e '\''s/^\(EXPORTS\|LIBRARY\)\([ ].*\)*$/DEF/p'\'' -e q $export_symbols`" ; then + cp "$export_symbols" "$output_objdir/$soname.def"; + echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp"; + else + $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, )='true' + enable_shared_with_static_runtimes=yes + exclude_expsyms='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' + export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGRS][ ]/s/.*[ ]\([^ ]*\)/\1,DATA/'\'' | $SED -e '\''/^[AITW][ ]/s/.*[ ]//'\'' | sort | uniq > $export_symbols' + # Don't use ranlib + old_postinstall_cmds='chmod 644 $oldlib' + postlink_cmds='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile=$lt_outputfile.exe + lt_tool_outputfile=$lt_tool_outputfile.exe + ;; + esac~ + if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # Assume MSVC and ICC wrapper + hardcode_libdir_flag_spec=' ' + allow_undefined_flag=unsupported + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=.dll + # FIXME: Setting linknames here is a bad hack. + archive_cmds='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' + # The linker will automatically build a .lib file if we build a DLL. + old_archive_from_new_cmds='true' + # FIXME: Should let the user specify the lib program. + old_archive_cmds='lib -OUT:$oldlib$oldobjs$old_deplibs' + enable_shared_with_static_runtimes=yes + ;; + esac + ;; + + darwin* | rhapsody*) + + + archive_cmds_need_lc=no + hardcode_direct=no + hardcode_automatic=yes + hardcode_shlibpath_var=unsupported + if test yes = "$lt_cv_ld_force_load"; then + whole_archive_flag_spec='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' + + else + whole_archive_flag_spec='' + fi + link_all_deplibs=yes + allow_undefined_flag=$_lt_dar_allow_undefined + case $cc_basename in + ifort*|nagfor*) _lt_dar_can_shared=yes ;; + *) _lt_dar_can_shared=$GCC ;; + esac + if test yes = "$_lt_dar_can_shared"; then + output_verbose_link_cmd=func_echo_all + archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil" + module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil" + archive_expsym_cmds="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil" + module_expsym_cmds="sed -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil" + + else + ld_shlibs=no + fi + + ;; + + dgux*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_shlibpath_var=no + ;; + + # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor + # support. Future versions do this automatically, but an explicit c++rt0.o + # does not break anything, and helps significantly (at the cost of a little + # extra space). + freebsd2.2*) + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + # Unfortunately, older versions of FreeBSD 2 do not have this feature. + freebsd2.*) + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes + hardcode_minus_L=yes + hardcode_shlibpath_var=no + ;; + + # FreeBSD 3 and greater uses gcc -shared to do shared libraries. + freebsd* | dragonfly*) + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + hpux9*) + if test yes = "$GCC"; then + archive_cmds='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' + else + archive_cmds='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' + fi + hardcode_libdir_flag_spec='$wl+b $wl$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + export_dynamic_flag_spec='$wl-E' + ;; + + hpux10*) + if test yes,no = "$GCC,$with_gnu_ld"; then + archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' + fi + if test no = "$with_gnu_ld"; then + hardcode_libdir_flag_spec='$wl+b $wl$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + hardcode_direct_absolute=yes + export_dynamic_flag_spec='$wl-E' + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + fi + ;; + + hpux11*) + if test yes,no = "$GCC,$with_gnu_ld"; then + case $host_cpu in + hppa*64*) + archive_cmds='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + archive_cmds='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + else + case $host_cpu in + hppa*64*) + archive_cmds='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + archive_cmds='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + + # Older versions of the 11.00 compiler do not understand -b yet + # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC understands -b" >&5 +$as_echo_n "checking if $CC understands -b... " >&6; } +if ${lt_cv_prog_compiler__b+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_prog_compiler__b=no + save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS -b" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&5 + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + lt_cv_prog_compiler__b=yes + fi + else + lt_cv_prog_compiler__b=yes + fi + fi + $RM -r conftest* + LDFLAGS=$save_LDFLAGS + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5 +$as_echo "$lt_cv_prog_compiler__b" >&6; } + +if test yes = "$lt_cv_prog_compiler__b"; then + archive_cmds='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' +else + archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' +fi + + ;; + esac + fi + if test no = "$with_gnu_ld"; then + hardcode_libdir_flag_spec='$wl+b $wl$libdir' + hardcode_libdir_separator=: + + case $host_cpu in + hppa*64*|ia64*) + hardcode_direct=no + hardcode_shlibpath_var=no + ;; + *) + hardcode_direct=yes + hardcode_direct_absolute=yes + export_dynamic_flag_spec='$wl-E' + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + ;; + esac + fi + ;; + + irix5* | irix6* | nonstopux*) + if test yes = "$GCC"; then + archive_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + # Try to use the -exported_symbol ld option, if it does not + # work, assume that -exports_file does not work either and + # implicitly export all symbols. + # This should be the same for all languages, so no per-tag cache variable. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $host_os linker accepts -exported_symbol" >&5 +$as_echo_n "checking whether the $host_os linker accepts -exported_symbol... " >&6; } +if ${lt_cv_irix_exported_symbol+:} false; then : + $as_echo_n "(cached) " >&6 +else + save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int foo (void) { return 0; } +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + lt_cv_irix_exported_symbol=yes +else + lt_cv_irix_exported_symbol=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$save_LDFLAGS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5 +$as_echo "$lt_cv_irix_exported_symbol" >&6; } + if test yes = "$lt_cv_irix_exported_symbol"; then + archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib' + fi + else + archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib' + fi + archive_cmds_need_lc='no' + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + hardcode_libdir_separator=: + inherit_rpath=yes + link_all_deplibs=yes + ;; + + linux*) + case $cc_basename in + tcc*) + # Fabrice Bellard et al's Tiny C Compiler + ld_shlibs=yes + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out + else + archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF + fi + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + hardcode_shlibpath_var=no + ;; + + newsos6) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + hardcode_libdir_separator=: + hardcode_shlibpath_var=no + ;; + + *nto* | *qnx*) + ;; + + openbsd* | bitrig*) + if test -f /usr/libexec/ld.so; then + hardcode_direct=yes + hardcode_shlibpath_var=no + hardcode_direct_absolute=yes + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' + hardcode_libdir_flag_spec='$wl-rpath,$libdir' + export_dynamic_flag_spec='$wl-E' + else + archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + hardcode_libdir_flag_spec='$wl-rpath,$libdir' + fi + else + ld_shlibs=no + fi + ;; + + os2*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + allow_undefined_flag=unsupported + shrext_cmds=.dll + archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + prefix_cmds="$SED"~ + if test EXPORTS = "`$SED 1q $export_symbols`"; then + prefix_cmds="$prefix_cmds -e 1d"; + fi~ + prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ + cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' + enable_shared_with_static_runtimes=yes + file_list_spec='@' + ;; + + osf3*) + if test yes = "$GCC"; then + allow_undefined_flag=' $wl-expect_unresolved $wl\*' + archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + else + allow_undefined_flag=' -expect_unresolved \*' + archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + fi + archive_cmds_need_lc='no' + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + hardcode_libdir_separator=: + ;; + + osf4* | osf5*) # as osf3* with the addition of -msym flag + if test yes = "$GCC"; then + allow_undefined_flag=' $wl-expect_unresolved $wl\*' + archive_cmds='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + hardcode_libdir_flag_spec='$wl-rpath $wl$libdir' + else + allow_undefined_flag=' -expect_unresolved \*' + archive_cmds='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + archive_expsym_cmds='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ + $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' + + # Both c and cxx compiler support -rpath directly + hardcode_libdir_flag_spec='-rpath $libdir' + fi + archive_cmds_need_lc='no' + hardcode_libdir_separator=: + ;; + + solaris*) + no_undefined_flag=' -z defs' + if test yes = "$GCC"; then + wlarc='$wl' + archive_cmds='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + else + case `$CC -V 2>&1` in + *"Compilers 5.0"*) + wlarc='' + archive_cmds='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' + ;; + *) + wlarc='$wl' + archive_cmds='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + ;; + esac + fi + hardcode_libdir_flag_spec='-R$libdir' + hardcode_shlibpath_var=no + case $host_os in + solaris2.[0-5] | solaris2.[0-5].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands '-z linker_flag'. GCC discards it without '$wl', + # but is careful enough not to reorder. + # Supported since Solaris 2.6 (maybe 2.5.1?) + if test yes = "$GCC"; then + whole_archive_flag_spec='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' + else + whole_archive_flag_spec='-z allextract$convenience -z defaultextract' + fi + ;; + esac + link_all_deplibs=yes + ;; + + sunos4*) + if test sequent = "$host_vendor"; then + # Use $CC to link under sequent, because it throws in some extra .o + # files that make .init and .fini sections work. + archive_cmds='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' + fi + hardcode_libdir_flag_spec='-L$libdir' + hardcode_direct=yes + hardcode_minus_L=yes + hardcode_shlibpath_var=no + ;; + + sysv4) + case $host_vendor in + sni) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=yes # is this really true??? + ;; + siemens) + ## LD is ld it makes a PLAMLIB + ## CC just makes a GrossModule. + archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' + reload_cmds='$CC -r -o $output$reload_objs' + hardcode_direct=no + ;; + motorola) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_direct=no #Motorola manual says yes, but my tests say they lie + ;; + esac + runpath_var='LD_RUN_PATH' + hardcode_shlibpath_var=no + ;; + + sysv4.3*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_shlibpath_var=no + export_dynamic_flag_spec='-Bexport' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_shlibpath_var=no + runpath_var=LD_RUN_PATH + hardcode_runpath_var=yes + ld_shlibs=yes + fi + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) + no_undefined_flag='$wl-z,text' + archive_cmds_need_lc=no + hardcode_shlibpath_var=no + runpath_var='LD_RUN_PATH' + + if test yes = "$GCC"; then + archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We CANNOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + no_undefined_flag='$wl-z,text' + allow_undefined_flag='$wl-z,nodefs' + archive_cmds_need_lc=no + hardcode_shlibpath_var=no + hardcode_libdir_flag_spec='$wl-R,$libdir' + hardcode_libdir_separator=':' + link_all_deplibs=yes + export_dynamic_flag_spec='$wl-Bexport' + runpath_var='LD_RUN_PATH' + + if test yes = "$GCC"; then + archive_cmds='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + archive_cmds='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + archive_expsym_cmds='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + uts4*) + archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + hardcode_libdir_flag_spec='-L$libdir' + hardcode_shlibpath_var=no + ;; + + *) + ld_shlibs=no + ;; + esac + + if test sni = "$host_vendor"; then + case $host in + sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) + export_dynamic_flag_spec='$wl-Blargedynsym' + ;; + esac + fi + fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5 +$as_echo "$ld_shlibs" >&6; } +test no = "$ld_shlibs" && can_build_shared=no + +with_gnu_ld=$with_gnu_ld + + + + + + + + + + + + + + + +# +# Do we need to explicitly link libc? +# +case "x$archive_cmds_need_lc" in +x|xyes) + # Assume -lc should be added + archive_cmds_need_lc=yes + + if test yes,yes = "$GCC,$enable_shared"; then + case $archive_cmds in + *'~'*) + # FIXME: we may have to deal with multi-command sequences. + ;; + '$CC '*) + # Test whether the compiler implicitly links with -lc since on some + # systems, -lgcc has to come before -lc. If gcc already passes -lc + # to ld, don't add -lc before -lgcc. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5 +$as_echo_n "checking whether -lc should be explicitly linked in... " >&6; } +if ${lt_cv_archive_cmds_need_lc+:} false; then : + $as_echo_n "(cached) " >&6 +else + $RM conftest* + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5 + (eval $ac_compile) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } 2>conftest.err; then + soname=conftest + lib=conftest + libobjs=conftest.$ac_objext + deplibs= + wl=$lt_prog_compiler_wl + pic_flag=$lt_prog_compiler_pic + compiler_flags=-v + linker_flags=-v + verstring= + output_objdir=. + libname=conftest + lt_save_allow_undefined_flag=$allow_undefined_flag + allow_undefined_flag= + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5 + (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + then + lt_cv_archive_cmds_need_lc=no + else + lt_cv_archive_cmds_need_lc=yes + fi + allow_undefined_flag=$lt_save_allow_undefined_flag + else + cat conftest.err 1>&5 + fi + $RM conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc" >&5 +$as_echo "$lt_cv_archive_cmds_need_lc" >&6; } + archive_cmds_need_lc=$lt_cv_archive_cmds_need_lc + ;; + esac + fi + ;; +esac + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5 +$as_echo_n "checking dynamic linker characteristics... " >&6; } + +if test yes = "$GCC"; then + case $host_os in + darwin*) lt_awk_arg='/^libraries:/,/LR/' ;; + *) lt_awk_arg='/^libraries:/' ;; + esac + case $host_os in + mingw* | cegcc*) lt_sed_strip_eq='s|=\([A-Za-z]:\)|\1|g' ;; + *) lt_sed_strip_eq='s|=/|/|g' ;; + esac + lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq` + case $lt_search_path_spec in + *\;*) + # if the path contains ";" then we assume it to be the separator + # otherwise default to the standard path separator (i.e. ":") - it is + # assumed that no part of a normal pathname contains ";" but that should + # okay in the real world where ";" in dirpaths is itself problematic. + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'` + ;; + *) + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"` + ;; + esac + # Ok, now we have the path, separated by spaces, we can step through it + # and add multilib dir if necessary... + lt_tmp_lt_search_path_spec= + lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` + # ...but if some path component already ends with the multilib dir we assume + # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer). + case "$lt_multi_os_dir; $lt_search_path_spec " in + "/; "* | "/.; "* | "/./; "* | *"$lt_multi_os_dir "* | *"$lt_multi_os_dir/ "*) + lt_multi_os_dir= + ;; + esac + for lt_sys_path in $lt_search_path_spec; do + if test -d "$lt_sys_path$lt_multi_os_dir"; then + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path$lt_multi_os_dir" + elif test -n "$lt_multi_os_dir"; then + test -d "$lt_sys_path" && \ + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path" + fi + done + lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk ' +BEGIN {RS = " "; FS = "/|\n";} { + lt_foo = ""; + lt_count = 0; + for (lt_i = NF; lt_i > 0; lt_i--) { + if ($lt_i != "" && $lt_i != ".") { + if ($lt_i == "..") { + lt_count++; + } else { + if (lt_count == 0) { + lt_foo = "/" $lt_i lt_foo; + } else { + lt_count--; + } + } + } + } + if (lt_foo != "") { lt_freq[lt_foo]++; } + if (lt_freq[lt_foo] == 1) { print lt_foo; } +}'` + # AWK program above erroneously prepends '/' to C:/dos/paths + # for these hosts. + case $host_os in + mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\ + $SED 's|/\([A-Za-z]:\)|\1|g'` ;; + esac + sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP` +else + sys_lib_search_path_spec="/lib$libsuff /usr/lib$libsuff /usr/local/lib$libsuff" +fi +library_names_spec= +libname_spec='lib$name' +soname_spec= +shrext_cmds=.so +postinstall_cmds= +postuninstall_cmds= +finish_cmds= +finish_eval= +shlibpath_var= +shlibpath_overrides_runpath=unknown +version_type=none +dynamic_linker="$host_os ld.so" +sys_lib_dlsearch_path_spec="/lib$libsuff /usr/lib$libsuff" +need_lib_prefix=unknown +hardcode_into_libs=no + +# when you set need_version to no, make sure it does not cause -set_version +# flags to be left without arguments +need_version=unknown + + + +case $host_os in +aix3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname.a' + shlibpath_var=LIBPATH + + # AIX 3 has no versioning support, so we append a major version to the name. + soname_spec='$libname$release$shared_ext$major' + ;; + +aix[4-9]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + hardcode_into_libs=yes + if test ia64 = "$host_cpu"; then + # AIX 5 supports IA64 + library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + else + # With GCC up to 2.95.x, collect2 would create an import file + # for dependence libraries. The import file would start with + # the line '#! .'. This would cause the generated library to + # depend on '.', always an invalid library. This was fixed in + # development snapshots of GCC prior to 3.0. + case $host_os in + aix4 | aix4.[01] | aix4.[01].*) + if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' + echo ' yes ' + echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then + : + else + can_build_shared=no + fi + ;; + esac + # Using Import Files as archive members, it is possible to support + # filename-based versioning of shared library archives on AIX. While + # this would work for both with and without runtime linking, it will + # prevent static linking of such archives. So we do filename-based + # shared library versioning with .so extension only, which is used + # when both runtime linking and shared linking is enabled. + # Unfortunately, runtime linking may impact performance, so we do + # not want this to be the default eventually. Also, we use the + # versioned .so libs for executables only if there is the -brtl + # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only. + # To allow for filename-based versioning support, we need to create + # libNAME.so.V as an archive file, containing: + # *) an Import File, referring to the versioned filename of the + # archive as well as the shared archive member, telling the + # bitwidth (32 or 64) of that shared object, and providing the + # list of exported symbols of that shared object, eventually + # decorated with the 'weak' keyword + # *) the shared object with the F_LOADONLY flag set, to really avoid + # it being seen by the linker. + # At run time we better use the real file rather than another symlink, + # but for link time we create the symlink libNAME.so -> libNAME.so.V + + case $with_aix_soname,$aix_use_runtimelinking in + # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct + # soname into executable. Probably we can add versioning support to + # collect2, so additional links can be useful in future. + aix,yes) # traditional libtool + dynamic_linker='AIX unversionable lib.so' + # If using run time linking (on AIX 4.2 or later) use lib.so + # instead of lib.a to let people know that these are not + # typical AIX shared libraries. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + ;; + aix,no) # traditional AIX only + dynamic_linker='AIX lib.a(lib.so.V)' + # We preserve .a as extension for shared libraries through AIX4.2 + # and later when we are not doing run time linking. + library_names_spec='$libname$release.a $libname.a' + soname_spec='$libname$release$shared_ext$major' + ;; + svr4,*) # full svr4 only + dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o)" + library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' + # We do not specify a path in Import Files, so LIBPATH fires. + shlibpath_overrides_runpath=yes + ;; + *,yes) # both, prefer svr4 + dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o), lib.a(lib.so.V)" + library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' + # unpreferred sharedlib libNAME.a needs extra handling + postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"' + postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"' + # We do not specify a path in Import Files, so LIBPATH fires. + shlibpath_overrides_runpath=yes + ;; + *,no) # both, prefer aix + dynamic_linker="AIX lib.a(lib.so.V), lib.so.V($shared_archive_member_spec.o)" + library_names_spec='$libname$release.a $libname.a' + soname_spec='$libname$release$shared_ext$major' + # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling + postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)' + postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"' + ;; + esac + shlibpath_var=LIBPATH + fi + ;; + +amigaos*) + case $host_cpu in + powerpc) + # Since July 2007 AmigaOS4 officially supports .so libraries. + # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + ;; + m68k) + library_names_spec='$libname.ixlibrary $libname.a' + # Create ${libname}_ixlibrary.a entries in /sys/libs. + finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' + ;; + esac + ;; + +beos*) + library_names_spec='$libname$shared_ext' + dynamic_linker="$host_os ld.so" + shlibpath_var=LIBRARY_PATH + ;; + +bsdi[45]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" + sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" + # the default ld.so.conf also contains /usr/contrib/lib and + # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow + # libtool to hard-code these into programs + ;; + +cygwin* | mingw* | pw32* | cegcc*) + version_type=windows + shrext_cmds=.dll + need_version=no + need_lib_prefix=no + + case $GCC,$cc_basename in + yes,*) + # gcc + library_names_spec='$libname.dll.a' + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + + case $host_os in + cygwin*) + # Cygwin DLLs use 'cyg' prefix rather than 'lib' + soname_spec='`echo $libname | sed -e 's/^lib/cyg/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api" + ;; + mingw* | cegcc*) + # MinGW DLLs use traditional 'lib' prefix + soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + ;; + pw32*) + # pw32 DLLs use 'pw' prefix rather than 'lib' + library_names_spec='`echo $libname | sed -e 's/^lib/pw/'``echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + ;; + esac + dynamic_linker='Win32 ld.exe' + ;; + + *,cl* | *,icl*) + # Native MSVC or ICC + libname_spec='$name' + soname_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext' + library_names_spec='$libname.dll.lib' + + case $build_os in + mingw*) + sys_lib_search_path_spec= + lt_save_ifs=$IFS + IFS=';' + for lt_path in $LIB + do + IFS=$lt_save_ifs + # Let DOS variable expansion print the short 8.3 style file name. + lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"` + sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path" + done + IFS=$lt_save_ifs + # Convert to MSYS style. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([a-zA-Z]\\):| /\\1|g' -e 's|^ ||'` + ;; + cygwin*) + # Convert to unix form, then to dos form, then back to unix form + # but this time dos style (no spaces!) so that the unix form looks + # like /cygdrive/c/PROGRA~1:/cygdr... + sys_lib_search_path_spec=`cygpath --path --unix "$LIB"` + sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null` + sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + ;; + *) + sys_lib_search_path_spec=$LIB + if $ECHO "$sys_lib_search_path_spec" | $GREP ';[c-zC-Z]:/' >/dev/null; then + # It is most probably a Windows format PATH. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` + else + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + fi + # FIXME: find the short name or the path components, as spaces are + # common. (e.g. "Program Files" -> "PROGRA~1") + ;; + esac + + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + dynamic_linker='Win32 link.exe' + ;; + + *) + # Assume MSVC and ICC wrapper + library_names_spec='$libname`echo $release | $SED -e 's/[.]/-/g'`$versuffix$shared_ext $libname.lib' + dynamic_linker='Win32 ld.exe' + ;; + esac + # FIXME: first we should search . and the directory the executable is in + shlibpath_var=PATH + ;; + +darwin* | rhapsody*) + dynamic_linker="$host_os dyld" + version_type=darwin + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$major$shared_ext $libname$shared_ext' + soname_spec='$libname$release$major$shared_ext' + shlibpath_overrides_runpath=yes + shlibpath_var=DYLD_LIBRARY_PATH + shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`' + + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib" + sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib' + ;; + +dgux*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +freebsd* | dragonfly*) + # DragonFly does not have aout. When/if they implement a new + # versioning mechanism, adjust this. + if test -x /usr/bin/objformat; then + objformat=`/usr/bin/objformat` + else + case $host_os in + freebsd[23].*) objformat=aout ;; + *) objformat=elf ;; + esac + fi + version_type=freebsd-$objformat + case $version_type in + freebsd-elf*) + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + need_version=no + need_lib_prefix=no + ;; + freebsd-*) + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + need_version=yes + ;; + esac + shlibpath_var=LD_LIBRARY_PATH + case $host_os in + freebsd2.*) + shlibpath_overrides_runpath=yes + ;; + freebsd3.[01]* | freebsdelf3.[01]*) + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + freebsd3.[2-9]* | freebsdelf3.[2-9]* | \ + freebsd4.[0-5] | freebsdelf4.[0-5] | freebsd4.1.1 | freebsdelf4.1.1) + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + *) # from 4.6 on, and DragonFly + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + esac + ;; + +haiku*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + dynamic_linker="$host_os runtime_loader" + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LIBRARY_PATH + shlibpath_overrides_runpath=no + sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' + hardcode_into_libs=yes + ;; + +hpux9* | hpux10* | hpux11*) + # Give a soname corresponding to the major version so that dld.sl refuses to + # link against other versions. + version_type=sunos + need_lib_prefix=no + need_version=no + case $host_cpu in + ia64*) + shrext_cmds='.so' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.so" + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + if test 32 = "$HPUX_IA64_MODE"; then + sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" + sys_lib_dlsearch_path_spec=/usr/lib/hpux32 + else + sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" + sys_lib_dlsearch_path_spec=/usr/lib/hpux64 + fi + ;; + hppa*64*) + shrext_cmds='.sl' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.sl" + shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + *) + shrext_cmds='.sl' + dynamic_linker="$host_os dld.sl" + shlibpath_var=SHLIB_PATH + shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + ;; + esac + # HP-UX runs *really* slowly unless shared libraries are mode 555, ... + postinstall_cmds='chmod 555 $lib' + # or fails outright, so override atomically: + install_override_mode=555 + ;; + +interix[3-9]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +irix5* | irix6* | nonstopux*) + case $host_os in + nonstopux*) version_type=nonstopux ;; + *) + if test yes = "$lt_cv_prog_gnu_ld"; then + version_type=linux # correct to gnu/linux during the next big refactor + else + version_type=irix + fi ;; + esac + need_lib_prefix=no + need_version=no + soname_spec='$libname$release$shared_ext$major' + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' + case $host_os in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in # libtool.m4 will add one of these switches to LD + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") + libsuff= shlibsuff= libmagic=32-bit;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") + libsuff=32 shlibsuff=N32 libmagic=N32;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") + libsuff=64 shlibsuff=64 libmagic=64-bit;; + *) libsuff= shlibsuff= libmagic=never-match;; + esac + ;; + esac + shlibpath_var=LD_LIBRARY${shlibsuff}_PATH + shlibpath_overrides_runpath=no + sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff" + sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff" + hardcode_into_libs=yes + ;; + +# No shared lib support for Linux oldld, aout, or coff. +linux*oldld* | linux*aout* | linux*coff*) + dynamic_linker=no + ;; + +linux*android*) + version_type=none # Android doesn't support versioned libraries. + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext' + soname_spec='$libname$release$shared_ext' + finish_cmds= + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + dynamic_linker='Android linker' + # Don't embed -rpath directories since the linker doesn't support them. + hardcode_libdir_flag_spec='-L$libdir' + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + + # Some binutils ld are patched to set DT_RUNPATH + if ${lt_cv_shlibpath_overrides_runpath+:} false; then : + $as_echo_n "(cached) " >&6 +else + lt_cv_shlibpath_overrides_runpath=no + save_LDFLAGS=$LDFLAGS + save_libdir=$libdir + eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \ + LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\"" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + if ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then : + lt_cv_shlibpath_overrides_runpath=yes +fi +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$save_LDFLAGS + libdir=$save_libdir + +fi + + shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + # Ideally, we could use ldconfig to report *all* directores which are + # searched for libraries, however this is still not possible. Aside from not + # being certain /sbin/ldconfig is available, command + # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64, + # even though it is searched at run-time. Try to do the best guess by + # appending ld.so.conf contents (and includes) to the search path. + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` + sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on + # powerpc, because MkLinux only supported shared libraries with the + # GNU dynamic linker. Since this was broken with cross compilers, + # most powerpc-linux boxes support dynamic linking these days and + # people can always --disable-shared, the test was removed, and we + # assume the GNU/Linux dynamic linker is in use. + dynamic_linker='GNU/Linux ld.so' + ;; + +netbsd*) + version_type=sunos + need_lib_prefix=no + need_version=no + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + dynamic_linker='NetBSD (a.out) ld.so' + else + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + dynamic_linker='NetBSD ld.elf_so' + fi + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + +newsos6) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +*nto* | *qnx*) + version_type=qnx + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='ldqnx.so' + ;; + +openbsd* | bitrig*) + version_type=sunos + sys_lib_dlsearch_path_spec=/usr/lib + need_lib_prefix=no + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + need_version=no + else + need_version=yes + fi + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +os2*) + libname_spec='$name' + version_type=windows + shrext_cmds=.dll + need_version=no + need_lib_prefix=no + # OS/2 can only load a DLL with a base name of 8 characters or less. + soname_spec='`test -n "$os2dllname" && libname="$os2dllname"; + v=$($ECHO $release$versuffix | tr -d .-); + n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _); + $ECHO $n$v`$shared_ext' + library_names_spec='${libname}_dll.$libext' + dynamic_linker='OS/2 ld.exe' + shlibpath_var=BEGINLIBPATH + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + ;; + +osf3* | osf4* | osf5*) + version_type=osf + need_lib_prefix=no + need_version=no + soname_spec='$libname$release$shared_ext$major' + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + +rdos*) + dynamic_linker=no + ;; + +solaris*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + # ldd complains unless libraries are executable + postinstall_cmds='chmod +x $lib' + ;; + +sunos4*) + version_type=sunos + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + if test yes = "$with_gnu_ld"; then + need_lib_prefix=no + fi + need_version=yes + ;; + +sysv4 | sysv4.3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + case $host_vendor in + sni) + shlibpath_overrides_runpath=no + need_lib_prefix=no + runpath_var=LD_RUN_PATH + ;; + siemens) + need_lib_prefix=no + ;; + motorola) + need_lib_prefix=no + need_version=no + shlibpath_overrides_runpath=no + sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' + ;; + esac + ;; + +sysv4*MP*) + if test -d /usr/nec; then + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext' + soname_spec='$libname$shared_ext.$major' + shlibpath_var=LD_LIBRARY_PATH + fi + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + version_type=sco + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + if test yes = "$with_gnu_ld"; then + sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' + else + sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' + case $host_os in + sco3.2v5*) + sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" + ;; + esac + fi + sys_lib_dlsearch_path_spec='/usr/lib' + ;; + +tpf*) + # TPF is a cross-target only. Preferred cross-host = GNU/Linux. + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +uts4*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +*) + dynamic_linker=no + ;; +esac +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5 +$as_echo "$dynamic_linker" >&6; } +test no = "$dynamic_linker" && can_build_shared=no + +variables_saved_for_relink="PATH $shlibpath_var $runpath_var" +if test yes = "$GCC"; then + variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" +fi + +if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then + sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec +fi + +if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then + sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec +fi + +# remember unaugmented sys_lib_dlsearch_path content for libtool script decls... +configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec + +# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code +func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH" + +# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool +configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5 +$as_echo_n "checking how to hardcode library paths into programs... " >&6; } +hardcode_action= +if test -n "$hardcode_libdir_flag_spec" || + test -n "$runpath_var" || + test yes = "$hardcode_automatic"; then + + # We can hardcode non-existent directories. + if test no != "$hardcode_direct" && + # If the only mechanism to avoid hardcoding is shlibpath_var, we + # have to relink, otherwise we might link with an installed library + # when we should be linking with a yet-to-be-installed one + ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, )" && + test no != "$hardcode_minus_L"; then + # Linking always hardcodes the temporary library directory. + hardcode_action=relink + else + # We can link without hardcoding, and we can hardcode nonexisting dirs. + hardcode_action=immediate + fi +else + # We cannot hardcode anything, or else we can only hardcode existing + # directories. + hardcode_action=unsupported +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5 +$as_echo "$hardcode_action" >&6; } + +if test relink = "$hardcode_action" || + test yes = "$inherit_rpath"; then + # Fast installation is not supported + enable_fast_install=no +elif test yes = "$shlibpath_overrides_runpath" || + test no = "$enable_shared"; then + # Fast installation is not necessary + enable_fast_install=needless +fi + + + + + + + if test yes != "$enable_dlopen"; then + enable_dlopen=unknown + enable_dlopen_self=unknown + enable_dlopen_self_static=unknown +else + lt_cv_dlopen=no + lt_cv_dlopen_libs= + + case $host_os in + beos*) + lt_cv_dlopen=load_add_on + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ;; + + mingw* | pw32* | cegcc*) + lt_cv_dlopen=LoadLibrary + lt_cv_dlopen_libs= + ;; + + cygwin*) + lt_cv_dlopen=dlopen + lt_cv_dlopen_libs= + ;; + + darwin*) + # if libdl is installed we need to link against it + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 +$as_echo_n "checking for dlopen in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dl_dlopen=yes +else + ac_cv_lib_dl_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 +$as_echo "$ac_cv_lib_dl_dlopen" >&6; } +if test "x$ac_cv_lib_dl_dlopen" = xyes; then : + lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl +else + + lt_cv_dlopen=dyld + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + +fi + + ;; + + tpf*) + # Don't try to run any link tests for TPF. We know it's impossible + # because TPF is a cross-compiler, and we know how we open DSOs. + lt_cv_dlopen=dlopen + lt_cv_dlopen_libs= + lt_cv_dlopen_self=no + ;; + + *) + ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load" +if test "x$ac_cv_func_shl_load" = xyes; then : + lt_cv_dlopen=shl_load +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5 +$as_echo_n "checking for shl_load in -ldld... " >&6; } +if ${ac_cv_lib_dld_shl_load+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char shl_load (); +int +main () +{ +return shl_load (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dld_shl_load=yes +else + ac_cv_lib_dld_shl_load=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5 +$as_echo "$ac_cv_lib_dld_shl_load" >&6; } +if test "x$ac_cv_lib_dld_shl_load" = xyes; then : + lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld +else + ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen" +if test "x$ac_cv_func_dlopen" = xyes; then : + lt_cv_dlopen=dlopen +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5 +$as_echo_n "checking for dlopen in -ldl... " >&6; } +if ${ac_cv_lib_dl_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dl_dlopen=yes +else + ac_cv_lib_dl_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5 +$as_echo "$ac_cv_lib_dl_dlopen" >&6; } +if test "x$ac_cv_lib_dl_dlopen" = xyes; then : + lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5 +$as_echo_n "checking for dlopen in -lsvld... " >&6; } +if ${ac_cv_lib_svld_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lsvld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_svld_dlopen=yes +else + ac_cv_lib_svld_dlopen=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5 +$as_echo "$ac_cv_lib_svld_dlopen" >&6; } +if test "x$ac_cv_lib_svld_dlopen" = xyes; then : + lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5 +$as_echo_n "checking for dld_link in -ldld... " >&6; } +if ${ac_cv_lib_dld_dld_link+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-ldld $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dld_link (); +int +main () +{ +return dld_link (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_dld_dld_link=yes +else + ac_cv_lib_dld_dld_link=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5 +$as_echo "$ac_cv_lib_dld_dld_link" >&6; } +if test "x$ac_cv_lib_dld_dld_link" = xyes; then : + lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld +fi + + +fi + + +fi + + +fi + + +fi + + +fi + + ;; + esac + + if test no = "$lt_cv_dlopen"; then + enable_dlopen=no + else + enable_dlopen=yes + fi + + case $lt_cv_dlopen in + dlopen) + save_CPPFLAGS=$CPPFLAGS + test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" + + save_LDFLAGS=$LDFLAGS + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" + + save_LIBS=$LIBS + LIBS="$lt_cv_dlopen_libs $LIBS" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5 +$as_echo_n "checking whether a program can dlopen itself... " >&6; } +if ${lt_cv_dlopen_self+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test yes = "$cross_compiling"; then : + lt_cv_dlopen_self=cross +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisibility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +} +_LT_EOF + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then + (./conftest; exit; ) >&5 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) lt_cv_dlopen_self=yes ;; + x$lt_dlneed_uscore) lt_cv_dlopen_self=yes ;; + x$lt_dlunknown|x*) lt_cv_dlopen_self=no ;; + esac + else : + # compilation failed + lt_cv_dlopen_self=no + fi +fi +rm -fr conftest* + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5 +$as_echo "$lt_cv_dlopen_self" >&6; } + + if test yes = "$lt_cv_dlopen_self"; then + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5 +$as_echo_n "checking whether a statically linked program can dlopen itself... " >&6; } +if ${lt_cv_dlopen_self_static+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test yes = "$cross_compiling"; then : + lt_cv_dlopen_self_static=cross +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisibility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +} +_LT_EOF + if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5 + (eval $ac_link) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && test -s "conftest$ac_exeext" 2>/dev/null; then + (./conftest; exit; ) >&5 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) lt_cv_dlopen_self_static=yes ;; + x$lt_dlneed_uscore) lt_cv_dlopen_self_static=yes ;; + x$lt_dlunknown|x*) lt_cv_dlopen_self_static=no ;; + esac + else : + # compilation failed + lt_cv_dlopen_self_static=no + fi +fi +rm -fr conftest* + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5 +$as_echo "$lt_cv_dlopen_self_static" >&6; } + fi + + CPPFLAGS=$save_CPPFLAGS + LDFLAGS=$save_LDFLAGS + LIBS=$save_LIBS + ;; + esac + + case $lt_cv_dlopen_self in + yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; + *) enable_dlopen_self=unknown ;; + esac + + case $lt_cv_dlopen_self_static in + yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; + *) enable_dlopen_self_static=unknown ;; + esac +fi + + + + + + + + + + + + + + + + + +striplib= +old_striplib= +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5 +$as_echo_n "checking whether stripping libraries is possible... " >&6; } +if test -z "$STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +else + if $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then + old_striplib="$STRIP --strip-debug" + striplib="$STRIP --strip-unneeded" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + else + case $host_os in + darwin*) + # FIXME - insert some real tests, host_os isn't really good enough + striplib="$STRIP -x" + old_striplib="$STRIP -S" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + ;; + freebsd*) + if $STRIP -V 2>&1 | $GREP "elftoolchain" >/dev/null; then + old_striplib="$STRIP --strip-debug" + striplib="$STRIP --strip-unneeded" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + fi + ;; + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + ;; + esac + fi +fi + + + + + + + + + + + + + # Report what library types will actually be built + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5 +$as_echo_n "checking if libtool supports shared libraries... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5 +$as_echo "$can_build_shared" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5 +$as_echo_n "checking whether to build shared libraries... " >&6; } + test no = "$can_build_shared" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test yes = "$enable_shared" && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + + aix[4-9]*) + if test ia64 != "$host_cpu"; then + case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in + yes,aix,yes) ;; # shared object as lib.so file only + yes,svr4,*) ;; # shared object as lib.so archive member only + yes,*) enable_static=no ;; # shared object in lib.a archive as well + esac + fi + ;; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5 +$as_echo "$enable_shared" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5 +$as_echo_n "checking whether to build static libraries... " >&6; } + # Make sure either enable_shared or enable_static is yes. + test yes = "$enable_shared" || enable_static=yes + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5 +$as_echo "$enable_static" >&6; } + + + + +fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +CC=$lt_save_CC + + + + + + + + + + + + + + + + ac_config_commands="$ac_config_commands libtool" + + + + +# Only expand once: + + +# Check whether --enable-static was given. +if test "${enable_static+set}" = set; then : + enableval=$enable_static; p=${PACKAGE-default} + case $enableval in + yes) enable_static=yes ;; + no) enable_static=no ;; + *) + enable_static=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_static=yes + fi + done + IFS=$lt_save_ifs + ;; + esac +else + enable_static=no +fi + + + + + + +# Check whether --enable-shared was given. +if test "${enable_shared+set}" = set; then : + enableval=$enable_shared; p=${PACKAGE-default} + case $enableval in + yes) enable_shared=yes ;; + no) enable_shared=no ;; + *) + enable_shared=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_shared=yes + fi + done + IFS=$lt_save_ifs + ;; + esac +else + enable_shared=yes +fi + + + + + + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "no acceptable C compiler found in \$PATH +See \`config.log' for more details" "$LINENO" 5; } + +# Provide some information about the compiler. +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5 +$as_echo_n "checking whether we are using the GNU C compiler... " >&6; } +if ${ac_cv_c_compiler_gnu+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_compiler_gnu=yes +else + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... " >&6; } +if ${ac_cv_prog_cc_g+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +else + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +$as_echo "$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5 +$as_echo_n "checking for $CC option to accept ISO C89... " >&6; } +if ${ac_cv_prog_cc_c89+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_prog_cc_c89=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +struct stat; +/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */ +struct buf { int x; }; +FILE * (*rcsopen) (struct buf *, struct stat *, int); +static char *e (p, i) + char **p; + int i; +{ + return p[i]; +} +static char *f (char * (*g) (char **, int), char **p, ...) +{ + char *s; + va_list v; + va_start (v,p); + s = g (p, va_arg (v,int)); + va_end (v); + return s; +} + +/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has + function prototypes and stuff, but not '\xHH' hex character constants. + These don't provoke an error unfortunately, instead are silently treated + as 'x'. The following induces an error, until -std is added to get + proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an + array size at least. It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC understands -c and -o together" >&5 +$as_echo_n "checking whether $CC understands -c and -o together... " >&6; } +if ${am_cv_prog_cc_c_o+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF + # Make sure it works both with $CC and with simple cc. + # Following AC_PROG_CC_C_O, we do the test twice because some + # compilers refuse to overwrite an existing .o file with -o, + # though they will create one. + am_cv_prog_cc_c_o=yes + for am_i in 1 2; do + if { echo "$as_me:$LINENO: $CC -c conftest.$ac_ext -o conftest2.$ac_objext" >&5 + ($CC -c conftest.$ac_ext -o conftest2.$ac_objext) >&5 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } \ + && test -f conftest2.$ac_objext; then + : OK + else + am_cv_prog_cc_c_o=no + break + fi + done + rm -f core conftest* + unset am_i +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5 +$as_echo "$am_cv_prog_cc_c_o" >&6; } +if test "$am_cv_prog_cc_c_o" != yes; then + # Losing compiler, so override with the script. + # FIXME: It is wrong to rewrite CC. + # But if we don't then we get into trouble of one sort or another. + # A longer-term fix would be to have automake use am__CC in this case, + # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)" + CC="$am_aux_dir/compile $CC" +fi +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + +depcc="$CC" am_compiler_list= + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5 +$as_echo_n "checking dependency style of $depcc... " >&6; } +if ${am_cv_CC_dependencies_compiler_type+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then + # We make a subdir and do the tests there. Otherwise we can end up + # making bogus files that we don't know about and never remove. For + # instance it was reported that on HP-UX the gcc test will end up + # making a dummy file named 'D' -- because '-MD' means "put the output + # in D". + rm -rf conftest.dir + mkdir conftest.dir + # Copy depcomp to subdir because otherwise we won't find it if we're + # using a relative directory. + cp "$am_depcomp" conftest.dir + cd conftest.dir + # We will build objects and dependencies in a subdirectory because + # it helps to detect inapplicable dependency modes. For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CC_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp` + fi + am__universal=false + case " $depcc " in #( + *\ -arch\ *\ -arch\ *) am__universal=true ;; + esac + + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with + # Solaris 10 /bin/sh. + echo '/* dummy */' > sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + # We check with '-c' and '-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle '-M -o', and we need to detect this. Also, some Intel + # versions had trouble with output in subdirs. + am__obj=sub/conftest.${OBJEXT-o} + am__minus_obj="-o $am__obj" + case $depmode in + gcc) + # This depmode causes a compiler race in universal mode. + test "$am__universal" = false || continue + ;; + nosideeffect) + # After this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested. + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + msvc7 | msvc7msys | msvisualcpp | msvcmsys) + # This compiler won't grok '-c -o', but also, the minuso test has + # not run yet. These depmodes are late enough in the game, and + # so weak that their functioning should not be impacted. + am__obj=conftest.${OBJEXT-o} + am__minus_obj= + ;; + none) break ;; + esac + if depmode=$depmode \ + source=sub/conftest.c object=$am__obj \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep $am__obj sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CC_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CC_dependencies_compiler_type=none +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5 +$as_echo "$am_cv_CC_dependencies_compiler_type" >&6; } +CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type + + if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then + am__fastdepCC_TRUE= + am__fastdepCC_FALSE='#' +else + am__fastdepCC_TRUE='#' + am__fastdepCC_FALSE= +fi + + +for ac_prog in 'bison -y' byacc +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_YACC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$YACC"; then + ac_cv_prog_YACC="$YACC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_YACC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +YACC=$ac_cv_prog_YACC +if test -n "$YACC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $YACC" >&5 +$as_echo "$YACC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$YACC" && break +done +test -n "$YACC" || YACC="yacc" + +for ac_prog in flex lex +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_LEX+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$LEX"; then + ac_cv_prog_LEX="$LEX" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_LEX="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +LEX=$ac_cv_prog_LEX +if test -n "$LEX"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LEX" >&5 +$as_echo "$LEX" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$LEX" && break +done +test -n "$LEX" || LEX=":" + +if test "x$LEX" != "x:"; then + cat >conftest.l <<_ACEOF +%% +a { ECHO; } +b { REJECT; } +c { yymore (); } +d { yyless (1); } +e { /* IRIX 6.5 flex 2.5.4 underquotes its yyless argument. */ + yyless ((input () != 0)); } +f { unput (yytext[0]); } +. { BEGIN INITIAL; } +%% +#ifdef YYTEXT_POINTER +extern char *yytext; +#endif +int +main (void) +{ + return ! yylex () + ! yywrap (); +} +_ACEOF +{ { ac_try="$LEX conftest.l" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$LEX conftest.l") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking lex output file root" >&5 +$as_echo_n "checking lex output file root... " >&6; } +if ${ac_cv_prog_lex_root+:} false; then : + $as_echo_n "(cached) " >&6 +else + +if test -f lex.yy.c; then + ac_cv_prog_lex_root=lex.yy +elif test -f lexyy.c; then + ac_cv_prog_lex_root=lexyy +else + as_fn_error $? "cannot find output from $LEX; giving up" "$LINENO" 5 +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_lex_root" >&5 +$as_echo "$ac_cv_prog_lex_root" >&6; } +LEX_OUTPUT_ROOT=$ac_cv_prog_lex_root + +if test -z "${LEXLIB+set}"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking lex library" >&5 +$as_echo_n "checking lex library... " >&6; } +if ${ac_cv_lib_lex+:} false; then : + $as_echo_n "(cached) " >&6 +else + + ac_save_LIBS=$LIBS + ac_cv_lib_lex='none needed' + for ac_lib in '' -lfl -ll; do + LIBS="$ac_lib $ac_save_LIBS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +`cat $LEX_OUTPUT_ROOT.c` +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_lex=$ac_lib +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + test "$ac_cv_lib_lex" != 'none needed' && break + done + LIBS=$ac_save_LIBS + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_lex" >&5 +$as_echo "$ac_cv_lib_lex" >&6; } + test "$ac_cv_lib_lex" != 'none needed' && LEXLIB=$ac_cv_lib_lex +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether yytext is a pointer" >&5 +$as_echo_n "checking whether yytext is a pointer... " >&6; } +if ${ac_cv_prog_lex_yytext_pointer+:} false; then : + $as_echo_n "(cached) " >&6 +else + # POSIX says lex can declare yytext either as a pointer or an array; the +# default is implementation-dependent. Figure out which it is, since +# not all implementations provide the %pointer and %array declarations. +ac_cv_prog_lex_yytext_pointer=no +ac_save_LIBS=$LIBS +LIBS="$LEXLIB $ac_save_LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #define YYTEXT_POINTER 1 +`cat $LEX_OUTPUT_ROOT.c` +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_prog_lex_yytext_pointer=yes +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_save_LIBS + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_lex_yytext_pointer" >&5 +$as_echo "$ac_cv_prog_lex_yytext_pointer" >&6; } +if test $ac_cv_prog_lex_yytext_pointer = yes; then + +$as_echo "#define YYTEXT_POINTER 1" >>confdefs.h + +fi +rm -f conftest.l $LEX_OUTPUT_ROOT.c + +fi +if test "$LEX" = :; then + LEX=${am_missing_run}flex +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 +$as_echo_n "checking whether ln -s works... " >&6; } +LN_S=$as_ln_s +if test "$LN_S" = "ln -s"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 +$as_echo "no, using $LN_S" >&6; } +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5 +$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; } +set x ${MAKE-make} +ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'` +if eval \${ac_cv_prog_make_${ac_make}_set+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat >conftest.make <<\_ACEOF +SHELL = /bin/sh +all: + @echo '@@@%%%=$(MAKE)=@@@%%%' +_ACEOF +# GNU make sometimes prints "make[1]: Entering ...", which would confuse us. +case `${MAKE-make} -f conftest.make 2>/dev/null` in + *@@@%%%=?*=@@@%%%*) + eval ac_cv_prog_make_${ac_make}_set=yes;; + *) + eval ac_cv_prog_make_${ac_make}_set=no;; +esac +rm -f conftest.make +fi +if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + SET_MAKE= +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + SET_MAKE="MAKE=${MAKE-make}" +fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ld supports --as-needed" >&5 +$as_echo_n "checking whether ld supports --as-needed... " >&6; } +if ${pam_cv_ld_as_needed+:} false; then : + $as_echo_n "(cached) " >&6 +else + saved_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -Wl,--as-needed" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + pam_cv_ld_as_needed=yes +else + pam_cv_ld_as_needed=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS="$saved_LDFLAGS" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pam_cv_ld_as_needed" >&5 +$as_echo "$pam_cv_ld_as_needed" >&6; } + if test $pam_cv_ld_as_needed = yes; then : + LDFLAGS="$LDFLAGS -Wl,--as-needed" +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ld supports --no-undefined" >&5 +$as_echo_n "checking whether ld supports --no-undefined... " >&6; } +if ${pam_cv_ld_no_undefined+:} false; then : + $as_echo_n "(cached) " >&6 +else + saved_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -Wl,--no-undefined" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + pam_cv_ld_no_undefined=yes +else + pam_cv_ld_no_undefined=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS="$saved_LDFLAGS" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pam_cv_ld_no_undefined" >&5 +$as_echo "$pam_cv_ld_no_undefined" >&6; } + if test $pam_cv_ld_no_undefined = yes; then : + LDFLAGS="$LDFLAGS -Wl,--no-undefined" +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ld supports -O1" >&5 +$as_echo_n "checking whether ld supports -O1... " >&6; } +if ${pam_cv_ld_O1+:} false; then : + $as_echo_n "(cached) " >&6 +else + saved_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -Wl,-O1" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + pam_cv_ld_O1=yes +else + pam_cv_ld_O1=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS="$saved_LDFLAGS" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pam_cv_ld_O1" >&5 +$as_echo "$pam_cv_ld_O1" >&6; } + if test $pam_cv_ld_O1 = yes; then : + LDFLAGS="$LDFLAGS -Wl,-O1" +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ld supports \"-z now\"" >&5 +$as_echo_n "checking whether ld supports \"-z now\"... " >&6; } +if ${pam_cv_ld_z_now+:} false; then : + $as_echo_n "(cached) " >&6 +else + saved_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -Wl,-z,now" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + pam_cv_ld_z_now=yes +else + pam_cv_ld_z_now=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS="$saved_LDFLAGS" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pam_cv_ld_z_now" >&5 +$as_echo "$pam_cv_ld_z_now" >&6; } + if test $pam_cv_ld_z_now = yes; then : + ZNOW_LDFLAGS="-Wl,-z,now" +else + ZNOW_LDFLAGS= +fi + + +# Check whether --enable-largefile was given. +if test "${enable_largefile+set}" = set; then : + enableval=$enable_largefile; +fi + +if test "$enable_largefile" != no; then + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for special C compiler options needed for large files" >&5 +$as_echo_n "checking for special C compiler options needed for large files... " >&6; } +if ${ac_cv_sys_largefile_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_sys_largefile_CC=no + if test "$GCC" != yes; then + ac_save_CC=$CC + while :; do + # IRIX 6.2 and later do not support large files by default, + # so use the C compiler's -n32 option if that helps. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + /* Check that off_t can represent 2**63 - 1 correctly. + We can't simply define LARGE_OFF_T to be 9223372036854775807, + since some C++ compilers masquerading as C compilers + incorrectly reject 9223372036854775807. */ +#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) + int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 + && LARGE_OFF_T % 2147483647 == 1) + ? 1 : -1]; +int +main () +{ + + ; + return 0; +} +_ACEOF + if ac_fn_c_try_compile "$LINENO"; then : + break +fi +rm -f core conftest.err conftest.$ac_objext + CC="$CC -n32" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_sys_largefile_CC=' -n32'; break +fi +rm -f core conftest.err conftest.$ac_objext + break + done + CC=$ac_save_CC + rm -f conftest.$ac_ext + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_CC" >&5 +$as_echo "$ac_cv_sys_largefile_CC" >&6; } + if test "$ac_cv_sys_largefile_CC" != no; then + CC=$CC$ac_cv_sys_largefile_CC + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _FILE_OFFSET_BITS value needed for large files" >&5 +$as_echo_n "checking for _FILE_OFFSET_BITS value needed for large files... " >&6; } +if ${ac_cv_sys_file_offset_bits+:} false; then : + $as_echo_n "(cached) " >&6 +else + while :; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + /* Check that off_t can represent 2**63 - 1 correctly. + We can't simply define LARGE_OFF_T to be 9223372036854775807, + since some C++ compilers masquerading as C compilers + incorrectly reject 9223372036854775807. */ +#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) + int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 + && LARGE_OFF_T % 2147483647 == 1) + ? 1 : -1]; +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_sys_file_offset_bits=no; break +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#define _FILE_OFFSET_BITS 64 +#include + /* Check that off_t can represent 2**63 - 1 correctly. + We can't simply define LARGE_OFF_T to be 9223372036854775807, + since some C++ compilers masquerading as C compilers + incorrectly reject 9223372036854775807. */ +#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) + int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 + && LARGE_OFF_T % 2147483647 == 1) + ? 1 : -1]; +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_sys_file_offset_bits=64; break +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_cv_sys_file_offset_bits=unknown + break +done +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_file_offset_bits" >&5 +$as_echo "$ac_cv_sys_file_offset_bits" >&6; } +case $ac_cv_sys_file_offset_bits in #( + no | unknown) ;; + *) +cat >>confdefs.h <<_ACEOF +#define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits +_ACEOF +;; +esac +rm -rf conftest* + if test $ac_cv_sys_file_offset_bits = unknown; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _LARGE_FILES value needed for large files" >&5 +$as_echo_n "checking for _LARGE_FILES value needed for large files... " >&6; } +if ${ac_cv_sys_large_files+:} false; then : + $as_echo_n "(cached) " >&6 +else + while :; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + /* Check that off_t can represent 2**63 - 1 correctly. + We can't simply define LARGE_OFF_T to be 9223372036854775807, + since some C++ compilers masquerading as C compilers + incorrectly reject 9223372036854775807. */ +#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) + int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 + && LARGE_OFF_T % 2147483647 == 1) + ? 1 : -1]; +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_sys_large_files=no; break +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#define _LARGE_FILES 1 +#include + /* Check that off_t can represent 2**63 - 1 correctly. + We can't simply define LARGE_OFF_T to be 9223372036854775807, + since some C++ compilers masquerading as C compilers + incorrectly reject 9223372036854775807. */ +#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) + int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 + && LARGE_OFF_T % 2147483647 == 1) + ? 1 : -1]; +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_sys_large_files=1; break +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_cv_sys_large_files=unknown + break +done +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_large_files" >&5 +$as_echo "$ac_cv_sys_large_files" >&6; } +case $ac_cv_sys_large_files in #( + no | unknown) ;; + *) +cat >>confdefs.h <<_ACEOF +#define _LARGE_FILES $ac_cv_sys_large_files +_ACEOF +;; +esac +rm -rf conftest* + fi + + +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -W" >&5 +$as_echo_n "checking whether $CC handles -W... " >&6; } +if ${gl_cv_warn_CFLAGS__W+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -W" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__W=yes +else + gl_cv_warn_CFLAGS__W=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__W" >&5 +$as_echo "$gl_cv_warn_CFLAGS__W" >&6; } +if test "x$gl_cv_warn_CFLAGS__W" = xyes; then : + as_fn_append WARN_CFLAGS " -W" +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Wall" >&5 +$as_echo_n "checking whether $CC handles -Wall... " >&6; } +if ${gl_cv_warn_CFLAGS__Wall+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Wall" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Wall=yes +else + gl_cv_warn_CFLAGS__Wall=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Wall" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Wall" >&6; } +if test "x$gl_cv_warn_CFLAGS__Wall" = xyes; then : + as_fn_append WARN_CFLAGS " -Wall" +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Wbad-function-cast" >&5 +$as_echo_n "checking whether $CC handles -Wbad-function-cast... " >&6; } +if ${gl_cv_warn_CFLAGS__Wbad_function_cast+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Wbad-function-cast" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Wbad_function_cast=yes +else + gl_cv_warn_CFLAGS__Wbad_function_cast=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Wbad_function_cast" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Wbad_function_cast" >&6; } +if test "x$gl_cv_warn_CFLAGS__Wbad_function_cast" = xyes; then : + as_fn_append WARN_CFLAGS " -Wbad-function-cast" +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Wcast-align" >&5 +$as_echo_n "checking whether $CC handles -Wcast-align... " >&6; } +if ${gl_cv_warn_CFLAGS__Wcast_align+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Wcast-align" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Wcast_align=yes +else + gl_cv_warn_CFLAGS__Wcast_align=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Wcast_align" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Wcast_align" >&6; } +if test "x$gl_cv_warn_CFLAGS__Wcast_align" = xyes; then : + as_fn_append WARN_CFLAGS " -Wcast-align" +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Wcast-align=strict" >&5 +$as_echo_n "checking whether $CC handles -Wcast-align=strict... " >&6; } +if ${gl_cv_warn_CFLAGS__Wcast_align_strict+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Wcast-align=strict" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Wcast_align_strict=yes +else + gl_cv_warn_CFLAGS__Wcast_align_strict=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Wcast_align_strict" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Wcast_align_strict" >&6; } +if test "x$gl_cv_warn_CFLAGS__Wcast_align_strict" = xyes; then : + as_fn_append WARN_CFLAGS " -Wcast-align=strict" +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Wcast-qual" >&5 +$as_echo_n "checking whether $CC handles -Wcast-qual... " >&6; } +if ${gl_cv_warn_CFLAGS__Wcast_qual+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Wcast-qual" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Wcast_qual=yes +else + gl_cv_warn_CFLAGS__Wcast_qual=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Wcast_qual" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Wcast_qual" >&6; } +if test "x$gl_cv_warn_CFLAGS__Wcast_qual" = xyes; then : + as_fn_append WARN_CFLAGS " -Wcast-qual" +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Wdeprecated" >&5 +$as_echo_n "checking whether $CC handles -Wdeprecated... " >&6; } +if ${gl_cv_warn_CFLAGS__Wdeprecated+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Wdeprecated" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Wdeprecated=yes +else + gl_cv_warn_CFLAGS__Wdeprecated=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Wdeprecated" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Wdeprecated" >&6; } +if test "x$gl_cv_warn_CFLAGS__Wdeprecated" = xyes; then : + as_fn_append WARN_CFLAGS " -Wdeprecated" +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Winline" >&5 +$as_echo_n "checking whether $CC handles -Winline... " >&6; } +if ${gl_cv_warn_CFLAGS__Winline+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Winline" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Winline=yes +else + gl_cv_warn_CFLAGS__Winline=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Winline" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Winline" >&6; } +if test "x$gl_cv_warn_CFLAGS__Winline" = xyes; then : + as_fn_append WARN_CFLAGS " -Winline" +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Wmain" >&5 +$as_echo_n "checking whether $CC handles -Wmain... " >&6; } +if ${gl_cv_warn_CFLAGS__Wmain+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Wmain" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Wmain=yes +else + gl_cv_warn_CFLAGS__Wmain=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Wmain" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Wmain" >&6; } +if test "x$gl_cv_warn_CFLAGS__Wmain" = xyes; then : + as_fn_append WARN_CFLAGS " -Wmain" +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Wmissing-declarations" >&5 +$as_echo_n "checking whether $CC handles -Wmissing-declarations... " >&6; } +if ${gl_cv_warn_CFLAGS__Wmissing_declarations+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Wmissing-declarations" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Wmissing_declarations=yes +else + gl_cv_warn_CFLAGS__Wmissing_declarations=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Wmissing_declarations" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Wmissing_declarations" >&6; } +if test "x$gl_cv_warn_CFLAGS__Wmissing_declarations" = xyes; then : + as_fn_append WARN_CFLAGS " -Wmissing-declarations" +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Wmissing-format-attribute" >&5 +$as_echo_n "checking whether $CC handles -Wmissing-format-attribute... " >&6; } +if ${gl_cv_warn_CFLAGS__Wmissing_format_attribute+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Wmissing-format-attribute" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Wmissing_format_attribute=yes +else + gl_cv_warn_CFLAGS__Wmissing_format_attribute=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Wmissing_format_attribute" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Wmissing_format_attribute" >&6; } +if test "x$gl_cv_warn_CFLAGS__Wmissing_format_attribute" = xyes; then : + as_fn_append WARN_CFLAGS " -Wmissing-format-attribute" +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Wmissing-prototypes" >&5 +$as_echo_n "checking whether $CC handles -Wmissing-prototypes... " >&6; } +if ${gl_cv_warn_CFLAGS__Wmissing_prototypes+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Wmissing-prototypes" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Wmissing_prototypes=yes +else + gl_cv_warn_CFLAGS__Wmissing_prototypes=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Wmissing_prototypes" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Wmissing_prototypes" >&6; } +if test "x$gl_cv_warn_CFLAGS__Wmissing_prototypes" = xyes; then : + as_fn_append WARN_CFLAGS " -Wmissing-prototypes" +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Wp64" >&5 +$as_echo_n "checking whether $CC handles -Wp64... " >&6; } +if ${gl_cv_warn_CFLAGS__Wp64+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Wp64" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Wp64=yes +else + gl_cv_warn_CFLAGS__Wp64=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Wp64" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Wp64" >&6; } +if test "x$gl_cv_warn_CFLAGS__Wp64" = xyes; then : + as_fn_append WARN_CFLAGS " -Wp64" +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Wpointer-arith" >&5 +$as_echo_n "checking whether $CC handles -Wpointer-arith... " >&6; } +if ${gl_cv_warn_CFLAGS__Wpointer_arith+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Wpointer-arith" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Wpointer_arith=yes +else + gl_cv_warn_CFLAGS__Wpointer_arith=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Wpointer_arith" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Wpointer_arith" >&6; } +if test "x$gl_cv_warn_CFLAGS__Wpointer_arith" = xyes; then : + as_fn_append WARN_CFLAGS " -Wpointer-arith" +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Wreturn-type" >&5 +$as_echo_n "checking whether $CC handles -Wreturn-type... " >&6; } +if ${gl_cv_warn_CFLAGS__Wreturn_type+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Wreturn-type" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Wreturn_type=yes +else + gl_cv_warn_CFLAGS__Wreturn_type=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Wreturn_type" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Wreturn_type" >&6; } +if test "x$gl_cv_warn_CFLAGS__Wreturn_type" = xyes; then : + as_fn_append WARN_CFLAGS " -Wreturn-type" +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Wshadow" >&5 +$as_echo_n "checking whether $CC handles -Wshadow... " >&6; } +if ${gl_cv_warn_CFLAGS__Wshadow+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Wshadow" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Wshadow=yes +else + gl_cv_warn_CFLAGS__Wshadow=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Wshadow" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Wshadow" >&6; } +if test "x$gl_cv_warn_CFLAGS__Wshadow" = xyes; then : + as_fn_append WARN_CFLAGS " -Wshadow" +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Wstrict-prototypes" >&5 +$as_echo_n "checking whether $CC handles -Wstrict-prototypes... " >&6; } +if ${gl_cv_warn_CFLAGS__Wstrict_prototypes+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Wstrict-prototypes" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Wstrict_prototypes=yes +else + gl_cv_warn_CFLAGS__Wstrict_prototypes=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Wstrict_prototypes" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Wstrict_prototypes" >&6; } +if test "x$gl_cv_warn_CFLAGS__Wstrict_prototypes" = xyes; then : + as_fn_append WARN_CFLAGS " -Wstrict-prototypes" +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Wuninitialized" >&5 +$as_echo_n "checking whether $CC handles -Wuninitialized... " >&6; } +if ${gl_cv_warn_CFLAGS__Wuninitialized+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Wuninitialized" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Wuninitialized=yes +else + gl_cv_warn_CFLAGS__Wuninitialized=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Wuninitialized" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Wuninitialized" >&6; } +if test "x$gl_cv_warn_CFLAGS__Wuninitialized" = xyes; then : + as_fn_append WARN_CFLAGS " -Wuninitialized" +fi + + +if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Wwrite-strings" >&5 +$as_echo_n "checking whether $CC handles -Wwrite-strings... " >&6; } +if ${gl_cv_warn_CFLAGS__Wwrite_strings+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Wwrite-strings" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Wwrite_strings=yes +else + gl_cv_warn_CFLAGS__Wwrite_strings=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Wwrite_strings" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Wwrite_strings" >&6; } +if test "x$gl_cv_warn_CFLAGS__Wwrite_strings" = xyes; then : + as_fn_append WARN_CFLAGS " -Wwrite-strings" +fi + + +# Check whether --enable-Werror was given. +if test "${enable_Werror+set}" = set; then : + enableval=$enable_Werror; case $enableval in + yes) if test x${gl_unknown_warnings_are_errors+set} = x; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror -Wunknown-warning-option" >&5 +$as_echo_n "checking whether $CC handles -Werror -Wunknown-warning-option... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror -Wunknown-warning-option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=yes +else + gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror__Wunknown_warning_option" = xyes; then : + gl_unknown_warnings_are_errors='-Wunknown-warning-option -Werror' +else + gl_unknown_warnings_are_errors= +fi + + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC handles -Werror" >&5 +$as_echo_n "checking whether $CC handles -Werror... " >&6; } +if ${gl_cv_warn_CFLAGS__Werror+:} false; then : + $as_echo_n "(cached) " >&6 +else + + gl_save_compiler_FLAGS="$CFLAGS" + as_fn_append CFLAGS " $gl_unknown_warnings_are_errors -Werror" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gl_cv_warn_CFLAGS__Werror=yes +else + gl_cv_warn_CFLAGS__Werror=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$gl_save_compiler_FLAGS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_warn_CFLAGS__Werror" >&5 +$as_echo "$gl_cv_warn_CFLAGS__Werror" >&6; } +if test "x$gl_cv_warn_CFLAGS__Werror" = xyes; then : + as_fn_append WARN_CFLAGS " -Werror" +fi + + ;; + no) ;; + *) as_fn_error $? "bad value $enableval for Werror option" "$LINENO" 5 ;; + esac +fi + + + + +if test "x${CC_FOR_BUILD+set}" != "xset" ; then + if test "x$cross_compiling" = "xyes" ; then + for ac_prog in gcc cc +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC_FOR_BUILD+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC_FOR_BUILD"; then + ac_cv_prog_CC_FOR_BUILD="$CC_FOR_BUILD" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC_FOR_BUILD="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC_FOR_BUILD=$ac_cv_prog_CC_FOR_BUILD +if test -n "$CC_FOR_BUILD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC_FOR_BUILD" >&5 +$as_echo "$CC_FOR_BUILD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC_FOR_BUILD" && break +done + + else + CC_FOR_BUILD=${CC} + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for CC_FOR_BUILD" >&5 +$as_echo_n "checking for CC_FOR_BUILD... " >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC_FOR_BUILD" >&5 +$as_echo "$CC_FOR_BUILD" >&6; } + + +if test "x${BUILD_CPPFLAGS+set}" != "xset" ; then + if test "x$cross_compiling" = "xyes" ; then + BUILD_CPPFLAGS= + else + BUILD_CPPFLAGS=${CPPFLAGS} + fi +fi + + +if test "x${BUILD_CFLAGS+set}" != "xset" ; then + if test "x$cross_compiling" = "xyes" ; then + BUILD_CFLAGS= + else + BUILD_CFLAGS=${CFLAGS} + fi +fi + + +if test "x${BUILD_LDFLAGS+set}" != "xset" ; then + if test "x$cross_compiling" = "xyes" ; then + BUILD_LDFLAGS= + else + BUILD_LDFLAGS=${LDFLAGS} + fi +fi + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __attribute__((unused))" >&5 +$as_echo_n "checking for __attribute__((unused))... " >&6; } +if ${pam_cv_attribute_unused+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +int fun(int i __attribute__((unused))); +int +main () +{ +return fun(0); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + pam_cv_attribute_unused=yes +else + pam_cv_attribute_unused=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pam_cv_attribute_unused" >&5 +$as_echo "$pam_cv_attribute_unused" >&6; } + if test "$pam_cv_attribute_unused" = yes; then : + unused='__attribute__((unused))' +else + unused= +fi + +cat >>confdefs.h <<_ACEOF +#define UNUSED $unused +_ACEOF + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for .symver assembler directive" >&5 +$as_echo_n "checking for .symver assembler directive... " >&6; } +if ${libc_cv_asm_symver_directive+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat > conftest.s <&5 2>&5; then + libc_cv_asm_symver_directive=yes +else + libc_cv_asm_symver_directive=no +fi +rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_symver_directive" >&5 +$as_echo "$libc_cv_asm_symver_directive" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld --version-script" >&5 +$as_echo_n "checking for ld --version-script... " >&6; } +if ${libc_cv_ld_version_script_option+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test $libc_cv_asm_symver_directive = yes; then + cat > conftest.s < conftest.map <&5 2>&5; +then + if { ac_try='${CC-cc} $CFLAGS $LDFLAGS -shared + -o conftest.so conftest.o + -nostartfiles -nostdlib + -Wl,--version-script,conftest.map + 1>&5' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; + then + libc_cv_ld_version_script_option=yes + else + libc_cv_ld_version_script_option=no + fi + else + libc_cv_ld_version_script_option=no + fi +else + libc_cv_ld_version_script_option=no +fi +rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ld_version_script_option" >&5 +$as_echo "$libc_cv_ld_version_script_option" >&6; } + if test "$libc_cv_ld_version_script_option" = "yes"; then + HAVE_VERSIONING_TRUE= + HAVE_VERSIONING_FALSE='#' +else + HAVE_VERSIONING_TRUE='#' + HAVE_VERSIONING_FALSE= +fi + + +# Check whether --enable-pie was given. +if test "${enable_pie+set}" = set; then : + enableval=$enable_pie; +else + enable_pie=check +fi + +case "$enable_pie" in + no) ;; + yes|check) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fpie/-pie support" >&5 +$as_echo_n "checking for -fpie/-pie support... " >&6; } +if ${pam_cv_pie+:} false; then : + $as_echo_n "(cached) " >&6 +else + saved_CFLAGS="$CFLAGS" + saved_LDFLAGS="$LDFLAGS" + CFLAGS="$CFLAGS -fpie" + LDFLAGS="$LDFLAGS -pie" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + pam_cv_pie=yes +else + pam_cv_pie=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS="$saved_LDFLAGS" + CFLAGS="$saved_CFLAGS" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pam_cv_pie" >&5 +$as_echo "$pam_cv_pie" >&6; } + if test "$pam_cv_pie" = yes; then : + enable_pie=yes +else + if test "$enable_pie" = yes; then : + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "requested -fpie/-pie support not found +See \`config.log' for more details" "$LINENO" 5; } +else + enable_pie=no +fi +fi + ;; + *) as_fn_error $? "bad value $enable_pie for --enable-pie option" "$LINENO" 5 ;; +esac + +if test "$enable_pie" = yes; then : + PIE_CFLAGS="-fpie" + PIE_LDFLAGS="-pie" +else + PIE_CFLAGS= + PIE_LDFLAGS= +fi + +EXE_CFLAGS="$PIE_CFLAGS" +EXE_LDFLAGS="$PIE_LDFLAGS $ZNOW_LDFLAGS" + + + + + +# Check whether --enable-doc was given. +if test "${enable_doc+set}" = set; then : + enableval=$enable_doc; WITH_DOC=$enableval +else + WITH_DOC=yes +fi + + if test "x$WITH_DOC" = "xyes"; then + HAVE_DOC_TRUE= + HAVE_DOC_FALSE='#' +else + HAVE_DOC_TRUE='#' + HAVE_DOC_FALSE= +fi + + +# Check whether --enable-prelude was given. +if test "${enable_prelude+set}" = set; then : + enableval=$enable_prelude; WITH_PRELUDE=$enableval +else + WITH_PRELUDE=yes +fi + +if test "$WITH_PRELUDE" = "yes" ; then + +# Check whether --with-libprelude-prefix was given. +if test "${with_libprelude_prefix+set}" = set; then : + withval=$with_libprelude_prefix; libprelude_config_prefix="$withval" +else + libprelude_config_prefix="" +fi + + + if test x$libprelude_config_prefix != x ; then + if test x${LIBPRELUDE_CONFIG+set} != xset ; then + LIBPRELUDE_CONFIG=$libprelude_config_prefix/bin/libprelude-config + fi + fi + + # Extract the first word of "libprelude-config", so it can be a program name with args. +set dummy libprelude-config; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_LIBPRELUDE_CONFIG+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $LIBPRELUDE_CONFIG in + [\\/]* | ?:[\\/]*) + ac_cv_path_LIBPRELUDE_CONFIG="$LIBPRELUDE_CONFIG" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_LIBPRELUDE_CONFIG="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_path_LIBPRELUDE_CONFIG" && ac_cv_path_LIBPRELUDE_CONFIG="no" + ;; +esac +fi +LIBPRELUDE_CONFIG=$ac_cv_path_LIBPRELUDE_CONFIG +if test -n "$LIBPRELUDE_CONFIG"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIBPRELUDE_CONFIG" >&5 +$as_echo "$LIBPRELUDE_CONFIG" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + min_libprelude_version=0.9.0 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libprelude - version >= $min_libprelude_version" >&5 +$as_echo_n "checking for libprelude - version >= $min_libprelude_version... " >&6; } + no_libprelude="" + if test "$LIBPRELUDE_CONFIG" = "no" ; then + no_libprelude=yes + else + LIBPRELUDE_CFLAGS=`$LIBPRELUDE_CONFIG $libprelude_config_args --cflags` + LIBPRELUDE_PTHREAD_CFLAGS=`$LIBPRELUDE_CONFIG $libprelude_config_args --pthread-cflags` + LIBPRELUDE_LDFLAGS=`$LIBPRELUDE_CONFIG $libprelude_config_args --ldflags` + LIBPRELUDE_LIBS=`$LIBPRELUDE_CONFIG $libprelude_config_args --libs` + LIBPRELUDE_PREFIX=`$LIBPRELUDE_CONFIG $libprelude_config_args --prefix` + LIBPRELUDE_CONFIG_PREFIX=`$LIBPRELUDE_CONFIG $libprelude_config_args --config-prefix` + libprelude_config_version=`$LIBPRELUDE_CONFIG $libprelude_config_args --version` + + + ac_save_CFLAGS="$CFLAGS" + ac_save_LDFLAGS="$LDFLAGS" + ac_save_LIBS="$LIBS" + CFLAGS="$CFLAGS $LIBPRELUDE_CFLAGS" + LDFLAGS="$LDFLAGS $LIBPRELUDE_LDFLAGS" + LIBS="$LIBS $LIBPRELUDE_LIBS" + rm -f conf.libpreludetest + if test "$cross_compiling" = yes; then : + echo $ac_n "cross compiling; assumed OK... $ac_c" +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +#include +#include +#include +#include + +int +main () +{ + system ("touch conf.libpreludetest"); + + if( strcmp( prelude_check_version(NULL), "$libprelude_config_version" ) ) + { + printf("\n*** 'libprelude-config --version' returned %s, but LIBPRELUDE (%s)\n", + "$libprelude_config_version", prelude_check_version(NULL) ); + printf("*** was found! If libprelude-config was correct, then it is best\n"); + printf("*** to remove the old version of LIBPRELUDE. You may also be able to fix the error\n"); + printf("*** by modifying your LD_LIBRARY_PATH environment variable, or by editing\n"); + printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"); + printf("*** required on your system.\n"); + printf("*** If libprelude-config was wrong, set the environment variable LIBPRELUDE_CONFIG\n"); + printf("*** to point to the correct copy of libprelude-config, and remove the file config.cache\n"); + printf("*** before re-running configure\n"); + } + else if ( strcmp(prelude_check_version(NULL), LIBPRELUDE_VERSION ) ) + { + printf("\n*** LIBPRELUDE header file (version %s) does not match\n", LIBPRELUDE_VERSION); + printf("*** library (version %s)\n", prelude_check_version(NULL) ); + } + else + { + if ( prelude_check_version( "$min_libprelude_version" ) ) + { + return 0; + } + else + { + printf("no\n*** An old version of LIBPRELUDE (%s) was found.\n", + prelude_check_version(NULL) ); + printf("*** You need a version of LIBPRELUDE newer than %s. The latest version of\n", + "$min_libprelude_version" ); + printf("*** LIBPRELUDE is always available from http://www.prelude-ids.org/download/releases.\n"); + printf("*** \n"); + printf("*** If you have already installed a sufficiently new version, this error\n"); + printf("*** probably means that the wrong copy of the libprelude-config shell script is\n"); + printf("*** being found. The easiest way to fix this is to remove the old version\n"); + printf("*** of LIBPRELUDE, but you can also set the LIBPRELUDE_CONFIG environment to point to the\n"); + printf("*** correct copy of libprelude-config. (In this case, you will have to\n"); + printf("*** modify your LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf\n"); + printf("*** so that the correct libraries are found at run-time))\n"); + } + } + return 1; +} + +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + no_libprelude=yes +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + CFLAGS="$ac_save_CFLAGS" + LIBS="$ac_save_LIBS" + LDFLAGS="$ac_save_LDFLAGS" + fi + + if test "x$no_libprelude" = x ; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + : + else + if test -f conf.libpreludetest ; then + : + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + fi + if test "$LIBPRELUDE_CONFIG" = "no" ; then + if test x$libprelude_config_prefix != x ; then + echo "*** The libprelude-config script installed by LIBPRELUDE could not be found" + echo "*** If LIBPRELUDE was installed in PREFIX, make sure PREFIX/bin is in" + echo "*** your path, or set the LIBPRELUDE_CONFIG environment variable to the" + echo "*** full path to libprelude-config." + fi + else + if test -f conf.libpreludetest ; then + : + else + echo "*** Could not run libprelude test program, checking why..." + CFLAGS="$CFLAGS $LIBPRELUDE_CFLAGS" + LDFLAGS="$LDFLAGS $LIBPRELUDE_LDFLAGS" + LIBS="$LIBS $LIBPRELUDE_LIBS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +#include +#include +#include +#include + +int +main () +{ + return !!prelude_check_version(NULL); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + echo "*** The test program compiled, but did not run. This usually means" + echo "*** that the run-time linker is not finding LIBPRELUDE or finding the wrong" + echo "*** version of LIBPRELUDE. If it is not finding LIBPRELUDE, you'll need to set your" + echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" + echo "*** to the installed location Also, make sure you have run ldconfig if that" + echo "*** is required on your system" + echo "***" + echo "*** If you have an old version installed, it is best to remove it, although" + echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" + echo "***" +else + echo "*** The test program failed to compile or link. See the file config.log for the" + echo "*** exact error that occurred. This usually means LIBPRELUDE was incorrectly installed" + echo "*** or that you have moved LIBPRELUDE since it was installed. In the latter case, you" + echo "*** may want to edit the libprelude-config script: $LIBPRELUDE_CONFIG" +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + CFLAGS="$ac_save_CFLAGS" + LDFLAGS="$ac_save_LDFLAGS" + LIBS="$ac_save_LIBS" + fi + fi + LIBPRELUDE_CFLAGS="" + LIBPRELUDE_LDFLAGS="" + LIBPRELUDE_LIBS="" + : + fi + rm -f conf.libpreludetest + + + + + + + + if test "$LIBPRELUDE_CONFIG" != "no" ; then + LIBPRELUDE_CFLAGS="$LIBPRELUDE_CFLAGS -DPRELUDE=1" + fi +fi + +# Check whether --enable-debug was given. +if test "${enable_debug+set}" = set; then : + enableval=$enable_debug; +fi + + +if test x"$enable_debug" = x"yes" ; then + +$as_echo "#define PAM_DEBUG /**/" >>confdefs.h + +fi + +# Check whether --enable-securedir was given. +if test "${enable_securedir+set}" = set; then : + enableval=$enable_securedir; SECUREDIR=$enableval +else + SECUREDIR=$libdir/security +fi + + + +# Check whether --enable-isadir was given. +if test "${enable_isadir+set}" = set; then : + enableval=$enable_isadir; ISA=$enableval +else + ISA=../../`basename $libdir`/security +fi + +unset mylibdirbase + +cat >>confdefs.h <<_ACEOF +#define _PAM_ISA "$ISA" +_ACEOF + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: Defining \$ISA to \"$ISA\"" >&5 +$as_echo "Defining \$ISA to \"$ISA\"" >&6; } + +# Check whether --enable-sconfigdir was given. +if test "${enable_sconfigdir+set}" = set; then : + enableval=$enable_sconfigdir; SCONFIGDIR=$enableval +else + SCONFIGDIR=$sysconfdir/security +fi + + + +# Check whether --enable-pamlocking was given. +if test "${enable_pamlocking+set}" = set; then : + enableval=$enable_pamlocking; +fi + + +if test x"$enable_pamlocking" = "xyes"; then + +$as_echo "#define PAM_LOCKING /**/" >>confdefs.h + +fi + +# Check whether --enable-read-both-confs was given. +if test "${enable_read_both_confs+set}" = set; then : + enableval=$enable_read_both_confs; +fi + + +if test x"$enable_read_both_confs" = "xyes"; then + +$as_echo "#define PAM_READ_BOTH_CONFS /**/" >>confdefs.h + +fi + +# Check whether --enable-lckpwdf was given. +if test "${enable_lckpwdf+set}" = set; then : + enableval=$enable_lckpwdf; WITH_LCKPWDF=$enableval +else + WITH_LCKPWDF=yes +fi + +if test "$WITH_LCKPWDF" = "yes" ; then + +$as_echo "#define USE_LCKPWDF 1" >>confdefs.h + +fi + +for ac_header in paths.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "paths.h" "ac_cv_header_paths_h" "$ac_includes_default" +if test "x$ac_cv_header_paths_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_PATHS_H 1 +_ACEOF + +fi + +done + + +# Check whether --with-mailspool was given. +if test "${with_mailspool+set}" = set; then : + withval=$with_mailspool; with_mailspool=${withval} +fi + +if test x$with_mailspool != x ; then + pam_mail_spool="\"$with_mailspool\"" +else + if test "$cross_compiling" = yes; then : + pam_mail_spool="\"/var/spool/mail\"" +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +int main() { +#ifdef _PATH_MAILDIR +exit(0); +#else +exit(1); +#endif +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + pam_mail_spool="_PATH_MAILDIR" +else + pam_mail_spool="\"/var/spool/mail\"" +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi + +cat >>confdefs.h <<_ACEOF +#define PAM_PATH_MAILDIR $pam_mail_spool +_ACEOF + + + +# Check whether --with-xauth was given. +if test "${with_xauth+set}" = set; then : + withval=$with_xauth; pam_xauth_path=${withval} +fi + +if test x$with_xauth = x ; then + # Extract the first word of "xauth", so it can be a program name with args. +set dummy xauth; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_pam_xauth_path+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $pam_xauth_path in + [\\/]* | ?:[\\/]*) + ac_cv_path_pam_xauth_path="$pam_xauth_path" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_pam_xauth_path="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +pam_xauth_path=$ac_cv_path_pam_xauth_path +if test -n "$pam_xauth_path"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $pam_xauth_path" >&5 +$as_echo "$pam_xauth_path" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + if test x$pam_xauth_path = x/usr/X11R6/bin/xauth ; then + unset pam_xauth_path + fi +fi + +if test x$pam_xauth_path != x ; then + +cat >>confdefs.h <<_ACEOF +#define PAM_PATH_XAUTH "$pam_xauth_path" +_ACEOF + +fi + +saved_LIBS="$LIBS" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5 +$as_echo_n "checking for library containing dlopen... " >&6; } +if ${ac_cv_search_dlopen+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dlopen (); +int +main () +{ +return dlopen (); + ; + return 0; +} +_ACEOF +for ac_lib in '' dl; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_dlopen=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_dlopen+:} false; then : + break +fi +done +if ${ac_cv_search_dlopen+:} false; then : + +else + ac_cv_search_dlopen=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dlopen" >&5 +$as_echo "$ac_cv_search_dlopen" >&6; } +ac_res=$ac_cv_search_dlopen +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + +LIBS="$saved_LIBS" +case "$ac_cv_search_dlopen" in + no) { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "failed to find dlopen +See \`config.log' for more details" "$LINENO" 5; } ;; + -l*) LIBDL="$ac_cv_search_dlopen" ;; + *) LIBDL= ;; +esac + + +# Check whether --enable-audit was given. +if test "${enable_audit+set}" = set; then : + enableval=$enable_audit; WITH_LIBAUDIT=$enableval +else + WITH_LIBAUDIT=yes +fi + +if test x"$WITH_LIBAUDIT" != xno ; then + ac_fn_c_check_header_mongrel "$LINENO" "libaudit.h" "ac_cv_header_libaudit_h" "$ac_includes_default" +if test "x$ac_cv_header_libaudit_h" = xyes; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for audit_log_acct_message in -laudit" >&5 +$as_echo_n "checking for audit_log_acct_message in -laudit... " >&6; } +if ${ac_cv_lib_audit_audit_log_acct_message+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-laudit $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char audit_log_acct_message (); +int +main () +{ +return audit_log_acct_message (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_audit_audit_log_acct_message=yes +else + ac_cv_lib_audit_audit_log_acct_message=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_audit_audit_log_acct_message" >&5 +$as_echo "$ac_cv_lib_audit_audit_log_acct_message" >&6; } +if test "x$ac_cv_lib_audit_audit_log_acct_message" = xyes; then : + LIBAUDIT=-laudit +else + LIBAUDIT="" +fi + + ac_fn_c_check_type "$LINENO" "struct audit_tty_status" "ac_cv_type_struct_audit_tty_status" "#include +" +if test "x$ac_cv_type_struct_audit_tty_status" = xyes; then : + HAVE_AUDIT_TTY_STATUS=yes +else + HAVE_AUDIT_TTY_STATUS="" +fi + + +fi + + + if test -n "$LIBAUDIT" && test "$ac_cv_header_libaudit_h" != "no" ; then + +$as_echo "#define HAVE_LIBAUDIT 1" >>confdefs.h + + fi + if test -n "$HAVE_AUDIT_TTY_STATUS" ; then + ac_fn_c_check_member "$LINENO" "struct audit_tty_status" "log_passwd" "ac_cv_member_struct_audit_tty_status_log_passwd" "#include +" +if test "x$ac_cv_member_struct_audit_tty_status_log_passwd" = xyes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE_STRUCT_AUDIT_TTY_STATUS_LOG_PASSWD 1 +_ACEOF + + +else + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: audit_tty_status.log_passwd is not available. The log_passwd option is disabled." >&5 +$as_echo "$as_me: WARNING: audit_tty_status.log_passwd is not available. The log_passwd option is disabled." >&2;} +fi + + fi +else + LIBAUDIT="" +fi + + +for ac_header in crypt.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "crypt.h" "ac_cv_header_crypt_h" "$ac_includes_default" +if test "x$ac_cv_header_crypt_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_CRYPT_H 1 +_ACEOF + +fi + +done + + +BACKUP_LIBS=$LIBS +LIBCRYPT="" + + + + + + + +if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args. +set dummy ${ac_tool_prefix}pkg-config; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_PKG_CONFIG+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $PKG_CONFIG in + [\\/]* | ?:[\\/]*) + ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +PKG_CONFIG=$ac_cv_path_PKG_CONFIG +if test -n "$PKG_CONFIG"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5 +$as_echo "$PKG_CONFIG" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_path_PKG_CONFIG"; then + ac_pt_PKG_CONFIG=$PKG_CONFIG + # Extract the first word of "pkg-config", so it can be a program name with args. +set dummy pkg-config; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $ac_pt_PKG_CONFIG in + [\\/]* | ?:[\\/]*) + ac_cv_path_ac_pt_PKG_CONFIG="$ac_pt_PKG_CONFIG" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG +if test -n "$ac_pt_PKG_CONFIG"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5 +$as_echo "$ac_pt_PKG_CONFIG" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_pt_PKG_CONFIG" = x; then + PKG_CONFIG="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + PKG_CONFIG=$ac_pt_PKG_CONFIG + fi +else + PKG_CONFIG="$ac_cv_path_PKG_CONFIG" +fi + +fi +if test -n "$PKG_CONFIG"; then + _pkg_min_version=0.9.0 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking pkg-config is at least version $_pkg_min_version" >&5 +$as_echo_n "checking pkg-config is at least version $_pkg_min_version... " >&6; } + if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + PKG_CONFIG="" + fi +fi + +pkg_failed=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libcrypt" >&5 +$as_echo_n "checking for libcrypt... " >&6; } + +if test -n "$CRYPT_CFLAGS"; then + pkg_cv_CRYPT_CFLAGS="$CRYPT_CFLAGS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libcrypt\""; } >&5 + ($PKG_CONFIG --exists --print-errors "libcrypt") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_CRYPT_CFLAGS=`$PKG_CONFIG --cflags "libcrypt" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi +if test -n "$CRYPT_LIBS"; then + pkg_cv_CRYPT_LIBS="$CRYPT_LIBS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libcrypt\""; } >&5 + ($PKG_CONFIG --exists --print-errors "libcrypt") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_CRYPT_LIBS=`$PKG_CONFIG --libs "libcrypt" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi + + + +if test $pkg_failed = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + CRYPT_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libcrypt" 2>&1` + else + CRYPT_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libcrypt" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$CRYPT_PKG_ERRORS" >&5 + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing crypt_gensalt_rn" >&5 +$as_echo_n "checking for library containing crypt_gensalt_rn... " >&6; } +if ${ac_cv_search_crypt_gensalt_rn+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char crypt_gensalt_rn (); +int +main () +{ +return crypt_gensalt_rn (); + ; + return 0; +} +_ACEOF +for ac_lib in '' crypt; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_crypt_gensalt_rn=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_crypt_gensalt_rn+:} false; then : + break +fi +done +if ${ac_cv_search_crypt_gensalt_rn+:} false; then : + +else + ac_cv_search_crypt_gensalt_rn=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_crypt_gensalt_rn" >&5 +$as_echo "$ac_cv_search_crypt_gensalt_rn" >&6; } +ac_res=$ac_cv_search_crypt_gensalt_rn +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + + case "$ac_cv_search_crypt_gensalt_rn" in + -l*) LIBCRYPT="$ac_cv_search_crypt_gensalt_rn" ;; + no) { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing crypt_r" >&5 +$as_echo_n "checking for library containing crypt_r... " >&6; } +if ${ac_cv_search_crypt_r+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char crypt_r (); +int +main () +{ +return crypt_r (); + ; + return 0; +} +_ACEOF +for ac_lib in '' crypt; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_crypt_r=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_crypt_r+:} false; then : + break +fi +done +if ${ac_cv_search_crypt_r+:} false; then : + +else + ac_cv_search_crypt_r=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_crypt_r" >&5 +$as_echo "$ac_cv_search_crypt_r" >&6; } +ac_res=$ac_cv_search_crypt_r +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + + case "$ac_cv_search_crypt_r" in + -l*) LIBCRYPT="$ac_cv_search_crypt_r" ;; + no ) { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing crypt" >&5 +$as_echo_n "checking for library containing crypt... " >&6; } +if ${ac_cv_search_crypt+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char crypt (); +int +main () +{ +return crypt (); + ; + return 0; +} +_ACEOF +for ac_lib in '' crypt; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_crypt=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_crypt+:} false; then : + break +fi +done +if ${ac_cv_search_crypt+:} false; then : + +else + ac_cv_search_crypt=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_crypt" >&5 +$as_echo "$ac_cv_search_crypt" >&6; } +ac_res=$ac_cv_search_crypt +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + + case "$ac_cv_search_crypt" in + -l*) LIBCRYPT="$ac_cv_search_crypt" ;; + esac ;; + esac ;; + esac + +elif test $pkg_failed = untried; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing crypt_gensalt_rn" >&5 +$as_echo_n "checking for library containing crypt_gensalt_rn... " >&6; } +if ${ac_cv_search_crypt_gensalt_rn+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char crypt_gensalt_rn (); +int +main () +{ +return crypt_gensalt_rn (); + ; + return 0; +} +_ACEOF +for ac_lib in '' crypt; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_crypt_gensalt_rn=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_crypt_gensalt_rn+:} false; then : + break +fi +done +if ${ac_cv_search_crypt_gensalt_rn+:} false; then : + +else + ac_cv_search_crypt_gensalt_rn=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_crypt_gensalt_rn" >&5 +$as_echo "$ac_cv_search_crypt_gensalt_rn" >&6; } +ac_res=$ac_cv_search_crypt_gensalt_rn +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + + case "$ac_cv_search_crypt_gensalt_rn" in + -l*) LIBCRYPT="$ac_cv_search_crypt_gensalt_rn" ;; + no) { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing crypt_r" >&5 +$as_echo_n "checking for library containing crypt_r... " >&6; } +if ${ac_cv_search_crypt_r+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char crypt_r (); +int +main () +{ +return crypt_r (); + ; + return 0; +} +_ACEOF +for ac_lib in '' crypt; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_crypt_r=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_crypt_r+:} false; then : + break +fi +done +if ${ac_cv_search_crypt_r+:} false; then : + +else + ac_cv_search_crypt_r=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_crypt_r" >&5 +$as_echo "$ac_cv_search_crypt_r" >&6; } +ac_res=$ac_cv_search_crypt_r +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + + case "$ac_cv_search_crypt_r" in + -l*) LIBCRYPT="$ac_cv_search_crypt_r" ;; + no ) { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing crypt" >&5 +$as_echo_n "checking for library containing crypt... " >&6; } +if ${ac_cv_search_crypt+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char crypt (); +int +main () +{ +return crypt (); + ; + return 0; +} +_ACEOF +for ac_lib in '' crypt; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_crypt=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_crypt+:} false; then : + break +fi +done +if ${ac_cv_search_crypt+:} false; then : + +else + ac_cv_search_crypt=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_crypt" >&5 +$as_echo "$ac_cv_search_crypt" >&6; } +ac_res=$ac_cv_search_crypt +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + + case "$ac_cv_search_crypt" in + -l*) LIBCRYPT="$ac_cv_search_crypt" ;; + esac ;; + esac ;; + esac + +else + CRYPT_CFLAGS=$pkg_cv_CRYPT_CFLAGS + CRYPT_LIBS=$pkg_cv_CRYPT_LIBS + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + + CFLAGS="$CFLAGS $CRYPT_CFLAGS" + CPPFLAGS="$CPPFLAGS $CRYPT_CFLAGS" + LIBS="$LIBS $CRYPT_LIBS" + LIBCRYPT="$CRYPT_LIBS" + +fi +for ac_func in crypt_r +do : + ac_fn_c_check_func "$LINENO" "crypt_r" "ac_cv_func_crypt_r" +if test "x$ac_cv_func_crypt_r" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_CRYPT_R 1 +_ACEOF + +fi +done + +LIBS=$BACKUP_LIBS + + + +# Check whether --with-randomdev was given. +if test "${with_randomdev+set}" = set; then : + withval=$with_randomdev; opt_randomdev=$withval +fi + +if test "$opt_randomdev" = yes || test -z "$opt_randomdev"; then + opt_randomdev="/dev/urandom" +elif test "$opt_randomdev" = no; then + opt_randomdev= +fi +if test -n "$opt_randomdev"; then + +cat >>confdefs.h <<_ACEOF +#define PAM_PATH_RANDOMDEV "$opt_randomdev" +_ACEOF + +fi + +# Check whether --enable-db was given. +if test "${enable_db+set}" = set; then : + enableval=$enable_db; WITH_DB=$enableval +else + WITH_DB=yes +fi + + +# Check whether --with-db-uniquename was given. +if test "${with_db_uniquename+set}" = set; then : + withval=$with_db_uniquename; +fi + +if test x"$WITH_DB" != xno ; then + if test x"$WITH_DB" = xyes || test x"$WITH_DB" = xdb ; then + old_libs=$LIBS + LIBS="$LIBS -ldb$with_db_uniquename" + for ac_func in db_create$with_db_uniquename db_create dbm_store$with_db_uniquename dbm_store +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + LIBDB="-ldb$with_db_uniquename"; break +fi +done + + LIBS=$old_libs + fi + if test -z "$LIBDB" ; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dbm_store in -lndbm" >&5 +$as_echo_n "checking for dbm_store in -lndbm... " >&6; } +if ${ac_cv_lib_ndbm_dbm_store+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lndbm $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char dbm_store (); +int +main () +{ +return dbm_store (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_ndbm_dbm_store=yes +else + ac_cv_lib_ndbm_dbm_store=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ndbm_dbm_store" >&5 +$as_echo "$ac_cv_lib_ndbm_dbm_store" >&6; } +if test "x$ac_cv_lib_ndbm_dbm_store" = xyes; then : + LIBDB="-lndbm" +else + LIBDB="" +fi + + if test -n "$LIBDB" ; then + for ac_header in ndbm.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "ndbm.h" "ac_cv_header_ndbm_h" "$ac_includes_default" +if test "x$ac_cv_header_ndbm_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_NDBM_H 1 +_ACEOF + +fi + +done + + fi + else + for ac_header in db.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "db.h" "ac_cv_header_db_h" "$ac_includes_default" +if test "x$ac_cv_header_db_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_DB_H 1 +_ACEOF + +fi + +done + + fi +fi + + +# Check whether --enable-nis was given. +if test "${enable_nis+set}" = set; then : + enableval=$enable_nis; +fi + + +if test "x$enable_nis" != "xno"; then : + + old_CFLAGS=$CFLAGS + old_CPPFLAGS=$CPPFLAGS + old_LIBS=$LIBS + + +pkg_failed=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libtirpc" >&5 +$as_echo_n "checking for libtirpc... " >&6; } + +if test -n "$TIRPC_CFLAGS"; then + pkg_cv_TIRPC_CFLAGS="$TIRPC_CFLAGS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libtirpc\""; } >&5 + ($PKG_CONFIG --exists --print-errors "libtirpc") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_TIRPC_CFLAGS=`$PKG_CONFIG --cflags "libtirpc" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi +if test -n "$TIRPC_LIBS"; then + pkg_cv_TIRPC_LIBS="$TIRPC_LIBS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libtirpc\""; } >&5 + ($PKG_CONFIG --exists --print-errors "libtirpc") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_TIRPC_LIBS=`$PKG_CONFIG --libs "libtirpc" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi + + + +if test $pkg_failed = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + TIRPC_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libtirpc" 2>&1` + else + TIRPC_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libtirpc" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$TIRPC_PKG_ERRORS" >&5 + + :; +elif test $pkg_failed = untried; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + :; +else + TIRPC_CFLAGS=$pkg_cv_TIRPC_CFLAGS + TIRPC_LIBS=$pkg_cv_TIRPC_LIBS + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + + CFLAGS="$CFLAGS $TIRPC_CFLAGS" + CPPFLAGS="$CPPFLAGS $TIRPC_CFLAGS" + LIBS="$LIBS $TIRPC_LIBS" + +fi + + +pkg_failed=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libnsl" >&5 +$as_echo_n "checking for libnsl... " >&6; } + +if test -n "$NSL_CFLAGS"; then + pkg_cv_NSL_CFLAGS="$NSL_CFLAGS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libnsl\""; } >&5 + ($PKG_CONFIG --exists --print-errors "libnsl") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_NSL_CFLAGS=`$PKG_CONFIG --cflags "libnsl" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi +if test -n "$NSL_LIBS"; then + pkg_cv_NSL_LIBS="$NSL_LIBS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libnsl\""; } >&5 + ($PKG_CONFIG --exists --print-errors "libnsl") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_NSL_LIBS=`$PKG_CONFIG --libs "libnsl" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi + + + +if test $pkg_failed = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + NSL_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libnsl" 2>&1` + else + NSL_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libnsl" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$NSL_PKG_ERRORS" >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for yp_match in -lnsl" >&5 +$as_echo_n "checking for yp_match in -lnsl... " >&6; } +if ${ac_cv_lib_nsl_yp_match+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lnsl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char yp_match (); +int +main () +{ +return yp_match (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_nsl_yp_match=yes +else + ac_cv_lib_nsl_yp_match=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_yp_match" >&5 +$as_echo "$ac_cv_lib_nsl_yp_match" >&6; } +if test "x$ac_cv_lib_nsl_yp_match" = xyes; then : + NSL_LIBS="-lnsl" +else + NSL_LIBS="" +fi + +elif test $pkg_failed = untried; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for yp_match in -lnsl" >&5 +$as_echo_n "checking for yp_match in -lnsl... " >&6; } +if ${ac_cv_lib_nsl_yp_match+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lnsl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char yp_match (); +int +main () +{ +return yp_match (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_nsl_yp_match=yes +else + ac_cv_lib_nsl_yp_match=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_yp_match" >&5 +$as_echo "$ac_cv_lib_nsl_yp_match" >&6; } +if test "x$ac_cv_lib_nsl_yp_match" = xyes; then : + NSL_LIBS="-lnsl" +else + NSL_LIBS="" +fi + +else + NSL_CFLAGS=$pkg_cv_NSL_CFLAGS + NSL_LIBS=$pkg_cv_NSL_LIBS + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +fi + CFLAGS="$CFLAGS $NSL_CFLAGS" + CPPFLAGS="$CPPFLAGS $NSL_CFLAGS" + LIBS="$LIBS $NSL_LIBS" + + for ac_func in yp_get_default_domain yperr_string yp_master yp_bind yp_match yp_unbind +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + for ac_func in getrpcport rpcb_getaddr +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + + for ac_header in rpc/rpc.h rpcsvc/ypclnt.h rpcsvc/yp_prot.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + ac_fn_c_check_decl "$LINENO" "getrpcport" "ac_cv_have_decl_getrpcport" " + #if HAVE_RPC_RPC_H + # include + #endif + +" +if test "x$ac_cv_have_decl_getrpcport" = xyes; then : + ac_have_decl=1 +else + ac_have_decl=0 +fi + +cat >>confdefs.h <<_ACEOF +#define HAVE_DECL_GETRPCPORT $ac_have_decl +_ACEOF + + + CFLAGS="$old_CFLAGS" + CPPFLAGS="$old_CPPFLAGS" + LIBS="$old_LIBS" + +fi + + + + +# Check whether --enable-usergroups was given. +if test "${enable_usergroups+set}" = set; then : + enableval=$enable_usergroups; WITH_USERGROUPS=$enableval +else + WITH_USERGROUPS=no +fi + +if test "$WITH_USERGROUPS" = "yes" ; then + +$as_echo "#define DEFAULT_USERGROUPS_SETTING 1" >>confdefs.h + +else + +$as_echo "#define DEFAULT_USERGROUPS_SETTING 0" >>confdefs.h + +fi + +# Check whether --enable-selinux was given. +if test "${enable_selinux+set}" = set; then : + enableval=$enable_selinux; WITH_SELINUX=$enableval +else + WITH_SELINUX=yes +fi + +if test "$WITH_SELINUX" = "yes" ; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for getfilecon in -lselinux" >&5 +$as_echo_n "checking for getfilecon in -lselinux... " >&6; } +if ${ac_cv_lib_selinux_getfilecon+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lselinux $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char getfilecon (); +int +main () +{ +return getfilecon (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_selinux_getfilecon=yes +else + ac_cv_lib_selinux_getfilecon=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_selinux_getfilecon" >&5 +$as_echo "$ac_cv_lib_selinux_getfilecon" >&6; } +if test "x$ac_cv_lib_selinux_getfilecon" = xyes; then : + LIBSELINUX="-lselinux" +else + LIBSELINUX="" +fi + +else + LIBSELINUX="" +fi + +if test -n "$LIBSELINUX" ; then + +$as_echo "#define WITH_SELINUX 1" >>confdefs.h + + BACKUP_LIBS=$LIBS + LIBS="$LIBS $LIBSELINUX" + for ac_func in setkeycreatecon +do : + ac_fn_c_check_func "$LINENO" "setkeycreatecon" "ac_cv_func_setkeycreatecon" +if test "x$ac_cv_func_setkeycreatecon" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_SETKEYCREATECON 1 +_ACEOF + +fi +done + + for ac_func in getseuser +do : + ac_fn_c_check_func "$LINENO" "getseuser" "ac_cv_func_getseuser" +if test "x$ac_cv_func_getseuser" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_GETSEUSER 1 +_ACEOF + +fi +done + + LIBS=$BACKUP_LIBS +fi + +# Check whether --enable-econf was given. +if test "${enable_econf+set}" = set; then : + enableval=$enable_econf; WITH_ECONF=$enableval +else + WITH_ECONF=yes +fi + +if test "$WITH_ECONF" = "yes" ; then + +pkg_failed=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libeconf" >&5 +$as_echo_n "checking for libeconf... " >&6; } + +if test -n "$ECONF_CFLAGS"; then + pkg_cv_ECONF_CFLAGS="$ECONF_CFLAGS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libeconf\""; } >&5 + ($PKG_CONFIG --exists --print-errors "libeconf") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_ECONF_CFLAGS=`$PKG_CONFIG --cflags "libeconf" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi +if test -n "$ECONF_LIBS"; then + pkg_cv_ECONF_LIBS="$ECONF_LIBS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libeconf\""; } >&5 + ($PKG_CONFIG --exists --print-errors "libeconf") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_ECONF_LIBS=`$PKG_CONFIG --libs "libeconf" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi + + + +if test $pkg_failed = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + ECONF_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libeconf" 2>&1` + else + ECONF_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libeconf" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$ECONF_PKG_ERRORS" >&5 + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for econf_readDirs in -leconf" >&5 +$as_echo_n "checking for econf_readDirs in -leconf... " >&6; } +if ${ac_cv_lib_econf_econf_readDirs+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-leconf $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char econf_readDirs (); +int +main () +{ +return econf_readDirs (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_econf_econf_readDirs=yes +else + ac_cv_lib_econf_econf_readDirs=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_econf_econf_readDirs" >&5 +$as_echo "$ac_cv_lib_econf_econf_readDirs" >&6; } +if test "x$ac_cv_lib_econf_econf_readDirs" = xyes; then : + ECONF_LIBS="-leconf" +else + ECONF_LIBS="" +fi + +elif test $pkg_failed = untried; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for econf_readDirs in -leconf" >&5 +$as_echo_n "checking for econf_readDirs in -leconf... " >&6; } +if ${ac_cv_lib_econf_econf_readDirs+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-leconf $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char econf_readDirs (); +int +main () +{ +return econf_readDirs (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_econf_econf_readDirs=yes +else + ac_cv_lib_econf_econf_readDirs=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_econf_econf_readDirs" >&5 +$as_echo "$ac_cv_lib_econf_econf_readDirs" >&6; } +if test "x$ac_cv_lib_econf_econf_readDirs" = xyes; then : + ECONF_LIBS="-leconf" +else + ECONF_LIBS="" +fi + +else + ECONF_CFLAGS=$pkg_cv_ECONF_CFLAGS + ECONF_LIBS=$pkg_cv_ECONF_LIBS + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + +fi + if test -n "$ECONF_LIBS" ; then + ECONF_CFLAGS="-DUSE_ECONF=1 $ECONF_CFLAGS" + fi +fi + + +# Check whether --enable-vendordir was given. +if test "${enable_vendordir+set}" = set; then : + enableval=$enable_vendordir; +fi + +if test -n "$enable_vendordir"; then + +cat >>confdefs.h <<_ACEOF +#define VENDORDIR "$enable_vendordir" +_ACEOF + + STRINGPARAM_VENDORDIR="--stringparam vendordir '$enable_vendordir'" +else + STRINGPARAM_VENDORDIR="--stringparam vendordir ''" +fi + + +# Check whether --enable-openssl was given. +if test "${enable_openssl+set}" = set; then : + enableval=$enable_openssl; OPENSSL_ENABLED=$enableval +else + OPENSSL_ENABLED=no +fi + +if test "$OPENSSL_ENABLED" = "yes" ; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for EVP_MAC_CTX_new in -lcrypto" >&5 +$as_echo_n "checking for EVP_MAC_CTX_new in -lcrypto... " >&6; } +if ${ac_cv_lib_crypto_EVP_MAC_CTX_new+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lcrypto $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char EVP_MAC_CTX_new (); +int +main () +{ +return EVP_MAC_CTX_new (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_crypto_EVP_MAC_CTX_new=yes +else + ac_cv_lib_crypto_EVP_MAC_CTX_new=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypto_EVP_MAC_CTX_new" >&5 +$as_echo "$ac_cv_lib_crypto_EVP_MAC_CTX_new" >&6; } +if test "x$ac_cv_lib_crypto_EVP_MAC_CTX_new" = xyes; then : + CRYPTO_LIBS="-lcrypto" + use_openssl=yes + +$as_echo "#define WITH_OPENSSL 1" >>confdefs.h + + STRINGPARAM_HMAC="--stringparam profile.condition 'openssl_hmac'" +else + CRYPTO_LIBS="" + STRINGPARAM_HMAC="--stringparam profile.condition 'no_openssl_hmac'" +fi + +fi + + + if test "x$use_openssl" = "xyes"; then + COND_USE_OPENSSL_TRUE= + COND_USE_OPENSSL_FALSE='#' +else + COND_USE_OPENSSL_TRUE='#' + COND_USE_OPENSSL_FALSE= +fi + + +ac_header_dirent=no +for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do + as_ac_Header=`$as_echo "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_hdr that defines DIR" >&5 +$as_echo_n "checking for $ac_hdr that defines DIR... " >&6; } +if eval \${$as_ac_Header+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include <$ac_hdr> + +int +main () +{ +if ((DIR *) 0) +return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_ac_Header=yes" +else + eval "$as_ac_Header=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +eval ac_res=\$$as_ac_Header + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_hdr" | $as_tr_cpp` 1 +_ACEOF + +ac_header_dirent=$ac_hdr; break +fi + +done +# Two versions of opendir et al. are in -ldir and -lx on SCO Xenix. +if test $ac_header_dirent = dirent.h; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing opendir" >&5 +$as_echo_n "checking for library containing opendir... " >&6; } +if ${ac_cv_search_opendir+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char opendir (); +int +main () +{ +return opendir (); + ; + return 0; +} +_ACEOF +for ac_lib in '' dir; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_opendir=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_opendir+:} false; then : + break +fi +done +if ${ac_cv_search_opendir+:} false; then : + +else + ac_cv_search_opendir=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_opendir" >&5 +$as_echo "$ac_cv_search_opendir" >&6; } +ac_res=$ac_cv_search_opendir +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing opendir" >&5 +$as_echo_n "checking for library containing opendir... " >&6; } +if ${ac_cv_search_opendir+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char opendir (); +int +main () +{ +return opendir (); + ; + return 0; +} +_ACEOF +for ac_lib in '' x; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_opendir=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_opendir+:} false; then : + break +fi +done +if ${ac_cv_search_opendir+:} false; then : + +else + ac_cv_search_opendir=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_opendir" >&5 +$as_echo "$ac_cv_search_opendir" >&6; } +ac_res=$ac_cv_search_opendir +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if ${ac_cv_header_stdc+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes +else + ac_cv_header_stdc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +$as_echo "#define STDC_HEADERS 1" >>confdefs.h + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sys/wait.h that is POSIX.1 compatible" >&5 +$as_echo_n "checking for sys/wait.h that is POSIX.1 compatible... " >&6; } +if ${ac_cv_header_sys_wait_h+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#ifndef WEXITSTATUS +# define WEXITSTATUS(stat_val) ((unsigned int) (stat_val) >> 8) +#endif +#ifndef WIFEXITED +# define WIFEXITED(stat_val) (((stat_val) & 255) == 0) +#endif + +int +main () +{ + int s; + wait (&s); + s = WIFEXITED (s) ? WEXITSTATUS (s) : 1; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_sys_wait_h=yes +else + ac_cv_header_sys_wait_h=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_sys_wait_h" >&5 +$as_echo "$ac_cv_header_sys_wait_h" >&6; } +if test $ac_cv_header_sys_wait_h = yes; then + +$as_echo "#define HAVE_SYS_WAIT_H 1" >>confdefs.h + +fi + +for ac_header in fcntl.h limits.h malloc.h sys/file.h sys/ioctl.h sys/time.h syslog.h net/if.h termio.h unistd.h sys/fsuid.h inittypes.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + +for ac_header in lastlog.h utmp.h utmpx.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5 +$as_echo_n "checking whether byte ordering is bigendian... " >&6; } +if ${ac_cv_c_bigendian+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_c_bigendian=unknown + # See if we're dealing with a universal compiler. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifndef __APPLE_CC__ + not a universal capable compiler + #endif + typedef int dummy; + +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + # Check for potential -arch flags. It is not universal unless + # there are at least two -arch flags with different values. + ac_arch= + ac_prev= + for ac_word in $CC $CFLAGS $CPPFLAGS $LDFLAGS; do + if test -n "$ac_prev"; then + case $ac_word in + i?86 | x86_64 | ppc | ppc64) + if test -z "$ac_arch" || test "$ac_arch" = "$ac_word"; then + ac_arch=$ac_word + else + ac_cv_c_bigendian=universal + break + fi + ;; + esac + ac_prev= + elif test "x$ac_word" = "x-arch"; then + ac_prev=arch + fi + done +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + if test $ac_cv_c_bigendian = unknown; then + # See if sys/param.h defines the BYTE_ORDER macro. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + #include + +int +main () +{ +#if ! (defined BYTE_ORDER && defined BIG_ENDIAN \ + && defined LITTLE_ENDIAN && BYTE_ORDER && BIG_ENDIAN \ + && LITTLE_ENDIAN) + bogus endian macros + #endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + # It does; now see whether it defined to BIG_ENDIAN or not. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + #include + +int +main () +{ +#if BYTE_ORDER != BIG_ENDIAN + not big endian + #endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_c_bigendian=yes +else + ac_cv_c_bigendian=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + if test $ac_cv_c_bigendian = unknown; then + # See if defines _LITTLE_ENDIAN or _BIG_ENDIAN (e.g., Solaris). + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +int +main () +{ +#if ! (defined _LITTLE_ENDIAN || defined _BIG_ENDIAN) + bogus endian macros + #endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + # It does; now see whether it defined to _BIG_ENDIAN or not. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +int +main () +{ +#ifndef _BIG_ENDIAN + not big endian + #endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_c_bigendian=yes +else + ac_cv_c_bigendian=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + fi + if test $ac_cv_c_bigendian = unknown; then + # Compile a test program. + if test "$cross_compiling" = yes; then : + # Try to guess by grepping values from an object file. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +unsigned short int ascii_mm[] = + { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 }; + unsigned short int ascii_ii[] = + { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 }; + int use_ascii (int i) { + return ascii_mm[i] + ascii_ii[i]; + } + unsigned short int ebcdic_ii[] = + { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 }; + unsigned short int ebcdic_mm[] = + { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 }; + int use_ebcdic (int i) { + return ebcdic_mm[i] + ebcdic_ii[i]; + } + extern int foo; + +int +main () +{ +return use_ascii (foo) == use_ebcdic (foo); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + if grep BIGenDianSyS conftest.$ac_objext >/dev/null; then + ac_cv_c_bigendian=yes + fi + if grep LiTTleEnDian conftest.$ac_objext >/dev/null ; then + if test "$ac_cv_c_bigendian" = unknown; then + ac_cv_c_bigendian=no + else + # finding both strings is unlikely to happen, but who knows? + ac_cv_c_bigendian=unknown + fi + fi +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ + + /* Are we little or big endian? From Harbison&Steele. */ + union + { + long int l; + char c[sizeof (long int)]; + } u; + u.l = 1; + return u.c[sizeof (long int) - 1] == 1; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ac_cv_c_bigendian=no +else + ac_cv_c_bigendian=yes +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_bigendian" >&5 +$as_echo "$ac_cv_c_bigendian" >&6; } + case $ac_cv_c_bigendian in #( + yes) + $as_echo "#define WORDS_BIGENDIAN 1" >>confdefs.h +;; #( + no) + ;; #( + universal) + +$as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h + + ;; #( + *) + as_fn_error $? "unknown endianness + presetting ac_cv_c_bigendian=no (or yes) will help" "$LINENO" 5 ;; + esac + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5 +$as_echo_n "checking for an ANSI C-conforming const... " >&6; } +if ${ac_cv_c_const+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + +#ifndef __cplusplus + /* Ultrix mips cc rejects this sort of thing. */ + typedef int charset[2]; + const charset cs = { 0, 0 }; + /* SunOS 4.1.1 cc rejects this. */ + char const *const *pcpcc; + char **ppc; + /* NEC SVR4.0.2 mips cc rejects this. */ + struct point {int x, y;}; + static struct point const zero = {0,0}; + /* AIX XL C 1.02.0.0 rejects this. + It does not let you subtract one const X* pointer from another in + an arm of an if-expression whose if-part is not a constant + expression */ + const char *g = "string"; + pcpcc = &g + (g ? g-g : 0); + /* HPUX 7.0 cc rejects these. */ + ++pcpcc; + ppc = (char**) pcpcc; + pcpcc = (char const *const *) ppc; + { /* SCO 3.2v4 cc rejects this sort of thing. */ + char tx; + char *t = &tx; + char const *s = 0 ? (char *) 0 : (char const *) 0; + + *t++ = 0; + if (s) return 0; + } + { /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */ + int x[] = {25, 17}; + const int *foo = &x[0]; + ++foo; + } + { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */ + typedef const int *iptr; + iptr p = 0; + ++p; + } + { /* AIX XL C 1.02.0.0 rejects this sort of thing, saying + "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */ + struct s { int j; const int *ap[3]; } bx; + struct s *b = &bx; b->j = 5; + } + { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */ + const int foo = 10; + if (!foo) return 0; + } + return !cs[0] && !zero.x; +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_c_const=yes +else + ac_cv_c_const=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_const" >&5 +$as_echo "$ac_cv_c_const" >&6; } +if test $ac_cv_c_const = no; then + +$as_echo "#define const /**/" >>confdefs.h + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for uid_t in sys/types.h" >&5 +$as_echo_n "checking for uid_t in sys/types.h... " >&6; } +if ${ac_cv_type_uid_t+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "uid_t" >/dev/null 2>&1; then : + ac_cv_type_uid_t=yes +else + ac_cv_type_uid_t=no +fi +rm -f conftest* + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_uid_t" >&5 +$as_echo "$ac_cv_type_uid_t" >&6; } +if test $ac_cv_type_uid_t = no; then + +$as_echo "#define uid_t int" >>confdefs.h + + +$as_echo "#define gid_t int" >>confdefs.h + +fi + +ac_fn_c_check_type "$LINENO" "off_t" "ac_cv_type_off_t" "$ac_includes_default" +if test "x$ac_cv_type_off_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define off_t long int +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "pid_t" "ac_cv_type_pid_t" "$ac_includes_default" +if test "x$ac_cv_type_pid_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define pid_t int +_ACEOF + +fi + +ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default" +if test "x$ac_cv_type_size_t" = xyes; then : + +else + +cat >>confdefs.h <<_ACEOF +#define size_t unsigned int +_ACEOF + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether time.h and sys/time.h may both be included" >&5 +$as_echo_n "checking whether time.h and sys/time.h may both be included... " >&6; } +if ${ac_cv_header_time+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include + +int +main () +{ +if ((struct tm *) 0) +return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_time=yes +else + ac_cv_header_time=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_time" >&5 +$as_echo "$ac_cv_header_time" >&6; } +if test $ac_cv_header_time = yes; then + +$as_echo "#define TIME_WITH_SYS_TIME 1" >>confdefs.h + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct tm is in sys/time.h or time.h" >&5 +$as_echo_n "checking whether struct tm is in sys/time.h or time.h... " >&6; } +if ${ac_cv_struct_tm+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include + +int +main () +{ +struct tm tm; + int *p = &tm.tm_sec; + return !p; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_struct_tm=time.h +else + ac_cv_struct_tm=sys/time.h +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_struct_tm" >&5 +$as_echo "$ac_cv_struct_tm" >&6; } +if test $ac_cv_struct_tm = sys/time.h; then + +$as_echo "#define TM_IN_SYS_TIME 1" >>confdefs.h + +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking type of array argument to getgroups" >&5 +$as_echo_n "checking type of array argument to getgroups... " >&6; } +if ${ac_cv_type_getgroups+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + ac_cv_type_getgroups=cross +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +/* Thanks to Mike Rendell for this test. */ +$ac_includes_default +#define NGID 256 +#undef MAX +#define MAX(x, y) ((x) > (y) ? (x) : (y)) + +int +main () +{ + gid_t gidset[NGID]; + int i, n; + union { gid_t gval; long int lval; } val; + + val.lval = -1; + for (i = 0; i < NGID; i++) + gidset[i] = val.gval; + n = getgroups (sizeof (gidset) / MAX (sizeof (int), sizeof (gid_t)) - 1, + gidset); + /* Exit non-zero if getgroups seems to require an array of ints. This + happens when gid_t is short int but getgroups modifies an array + of ints. */ + return n > 0 && gidset[n] != val.gval; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ac_cv_type_getgroups=gid_t +else + ac_cv_type_getgroups=int +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +if test $ac_cv_type_getgroups = cross; then + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "getgroups.*int.*gid_t" >/dev/null 2>&1; then : + ac_cv_type_getgroups=gid_t +else + ac_cv_type_getgroups=int +fi +rm -f conftest* + +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_type_getgroups" >&5 +$as_echo "$ac_cv_type_getgroups" >&6; } + +cat >>confdefs.h <<_ACEOF +#define GETGROUPS_T $ac_cv_type_getgroups +_ACEOF + + +if test $ac_cv_c_compiler_gnu = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC needs -traditional" >&5 +$as_echo_n "checking whether $CC needs -traditional... " >&6; } +if ${ac_cv_prog_gcc_traditional+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_pattern="Autoconf.*'x'" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +Autoconf TIOCGETP +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "$ac_pattern" >/dev/null 2>&1; then : + ac_cv_prog_gcc_traditional=yes +else + ac_cv_prog_gcc_traditional=no +fi +rm -f conftest* + + + if test $ac_cv_prog_gcc_traditional = no; then + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +Autoconf TCGETA +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "$ac_pattern" >/dev/null 2>&1; then : + ac_cv_prog_gcc_traditional=yes +fi +rm -f conftest* + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_gcc_traditional" >&5 +$as_echo "$ac_cv_prog_gcc_traditional" >&6; } + if test $ac_cv_prog_gcc_traditional = yes; then + CC="$CC -traditional" + fi +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for working memcmp" >&5 +$as_echo_n "checking for working memcmp... " >&6; } +if ${ac_cv_func_memcmp_working+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test "$cross_compiling" = yes; then : + ac_cv_func_memcmp_working=no +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ + + /* Some versions of memcmp are not 8-bit clean. */ + char c0 = '\100', c1 = '\200', c2 = '\201'; + if (memcmp(&c0, &c2, 1) >= 0 || memcmp(&c1, &c2, 1) >= 0) + return 1; + + /* The Next x86 OpenStep bug shows up only when comparing 16 bytes + or more and with at least one buffer not starting on a 4-byte boundary. + William Lewis provided this test program. */ + { + char foo[21]; + char bar[21]; + int i; + for (i = 0; i < 4; i++) + { + char *a = foo + i; + char *b = bar + i; + strcpy (a, "--------01111111"); + strcpy (b, "--------10000000"); + if (memcmp (a, b, 16) >= 0) + return 1; + } + return 0; + } + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + ac_cv_func_memcmp_working=yes +else + ac_cv_func_memcmp_working=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_memcmp_working" >&5 +$as_echo "$ac_cv_func_memcmp_working" >&6; } +test $ac_cv_func_memcmp_working = no && case " $LIBOBJS " in + *" memcmp.$ac_objext "* ) ;; + *) LIBOBJS="$LIBOBJS memcmp.$ac_objext" + ;; +esac + + +for ac_func in vprintf +do : + ac_fn_c_check_func "$LINENO" "vprintf" "ac_cv_func_vprintf" +if test "x$ac_cv_func_vprintf" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_VPRINTF 1 +_ACEOF + +ac_fn_c_check_func "$LINENO" "_doprnt" "ac_cv_func__doprnt" +if test "x$ac_cv_func__doprnt" = xyes; then : + +$as_echo "#define HAVE_DOPRNT 1" >>confdefs.h + +fi + +fi +done + + +for ac_func in fseeko getdomainname gethostname gettimeofday lckpwdf mkdir select +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + +for ac_func in strcspn strdup strspn strstr strtol uname +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + +for ac_func in getutent_r getpwnam_r getpwuid_r getgrnam_r getgrgid_r getspnam_r getmntent_r +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + +for ac_func in getgrouplist getline getdelim +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + +for ac_func in inet_ntop inet_pton innetgr +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + +for ac_func in quotactl +do : + ac_fn_c_check_func "$LINENO" "quotactl" "ac_cv_func_quotactl" +if test "x$ac_cv_func_quotactl" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_QUOTACTL 1 +_ACEOF + +fi +done + +for ac_func in unshare +do : + ac_fn_c_check_func "$LINENO" "unshare" "ac_cv_func_unshare" +if test "x$ac_cv_func_unshare" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_UNSHARE 1 +_ACEOF + +fi +done + +for ac_func in ruserok_af ruserok +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +if eval test \"x\$"$as_ac_var"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + break +fi +done + +BACKUP_LIBS=$LIBS +LIBS="$LIBS -lutil" +for ac_func in logwtmp +do : + ac_fn_c_check_func "$LINENO" "logwtmp" "ac_cv_func_logwtmp" +if test "x$ac_cv_func_logwtmp" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_LOGWTMP 1 +_ACEOF + +fi +done + +LIBS=$BACKUP_LIBS + +# Check whether --enable-regenerate-docu was given. +if test "${enable_regenerate_docu+set}" = set; then : + enableval=$enable_regenerate_docu; enable_docu=$enableval +else + enable_docu=yes +fi + +# Extract the first word of "xsltproc", so it can be a program name with args. +set dummy xsltproc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_XSLTPROC+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $XSLTPROC in + [\\/]* | ?:[\\/]*) + ac_cv_path_XSLTPROC="$XSLTPROC" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_XSLTPROC="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +XSLTPROC=$ac_cv_path_XSLTPROC +if test -n "$XSLTPROC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $XSLTPROC" >&5 +$as_echo "$XSLTPROC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +if test -z "$XSLTPROC"; then + enable_docu=no +fi +# Extract the first word of "xmllint", so it can be a program name with args. +set dummy xmllint; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_XMLLINT+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $XMLLINT in + [\\/]* | ?:[\\/]*) + ac_cv_path_XMLLINT="$XMLLINT" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_XMLLINT="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_path_XMLLINT" && ac_cv_path_XMLLINT="/bin/true" + ;; +esac +fi +XMLLINT=$ac_cv_path_XMLLINT +if test -n "$XMLLINT"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $XMLLINT" >&5 +$as_echo "$XMLLINT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + + # check for the presence of the XML catalog + +# Check whether --with-xml-catalog was given. +if test "${with_xml_catalog+set}" = set; then : + withval=$with_xml_catalog; +else + with_xml_catalog=/etc/xml/catalog +fi + + jh_found_xmlcatalog=true + XML_CATALOG_FILE="$with_xml_catalog" + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for XML catalog ($XML_CATALOG_FILE)" >&5 +$as_echo_n "checking for XML catalog ($XML_CATALOG_FILE)... " >&6; } + if test -f "$XML_CATALOG_FILE"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: found" >&5 +$as_echo "found" >&6; } + else + jh_found_xmlcatalog=false + { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5 +$as_echo "not found" >&6; } + fi + + # check for the xmlcatalog program + # Extract the first word of "xmlcatalog", so it can be a program name with args. +set dummy xmlcatalog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_XMLCATALOG+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $XMLCATALOG in + [\\/]* | ?:[\\/]*) + ac_cv_path_XMLCATALOG="$XMLCATALOG" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_XMLCATALOG="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_path_XMLCATALOG" && ac_cv_path_XMLCATALOG="no" + ;; +esac +fi +XMLCATALOG=$ac_cv_path_XMLCATALOG +if test -n "$XMLCATALOG"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $XMLCATALOG" >&5 +$as_echo "$XMLCATALOG" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + if test "x$XMLCATALOG" = xno; then + jh_found_xmlcatalog=false + fi + + if $jh_found_xmlcatalog; then + : + else + : + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for DocBook XML DTD V4.4 in XML catalog" >&5 +$as_echo_n "checking for DocBook XML DTD V4.4 in XML catalog... " >&6; } + if $jh_found_xmlcatalog && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$XMLCATALOG --noout \"\$XML_CATALOG_FILE\" \"-//OASIS//DTD DocBook XML V4.4//EN\" >&2"; } >&5 + ($XMLCATALOG --noout "$XML_CATALOG_FILE" "-//OASIS//DTD DocBook XML V4.4//EN" >&2) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: found" >&5 +$as_echo "found" >&6; } + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5 +$as_echo "not found" >&6; } + enable_docu=no + fi + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for DocBook XSL Stylesheets in XML catalog" >&5 +$as_echo_n "checking for DocBook XSL Stylesheets in XML catalog... " >&6; } + if $jh_found_xmlcatalog && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$XMLCATALOG --noout \"\$XML_CATALOG_FILE\" \"http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl\" >&2"; } >&5 + ($XMLCATALOG --noout "$XML_CATALOG_FILE" "http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl" >&2) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: found" >&5 +$as_echo "found" >&6; } + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: not found" >&5 +$as_echo "not found" >&6; } + enable_docu=no + fi + + +# Extract the first word of "w3m", so it can be a program name with args. +set dummy w3m; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_BROWSER+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $BROWSER in + [\\/]* | ?:[\\/]*) + ac_cv_path_BROWSER="$BROWSER" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_BROWSER="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +BROWSER=$ac_cv_path_BROWSER +if test -n "$BROWSER"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $BROWSER" >&5 +$as_echo "$BROWSER" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +if test -n "$BROWSER"; then + BROWSER="$BROWSER -T text/html -dump" +else + # Extract the first word of "elinks", so it can be a program name with args. +set dummy elinks; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_BROWSER+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $BROWSER in + [\\/]* | ?:[\\/]*) + ac_cv_path_BROWSER="$BROWSER" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_BROWSER="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +BROWSER=$ac_cv_path_BROWSER +if test -n "$BROWSER"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $BROWSER" >&5 +$as_echo "$BROWSER" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + if test -n "$BROWSER"; then + BROWSER="$BROWSER -no-numbering -no-references -dump" + else + enable_docu=no + fi +fi + +# Extract the first word of "fop", so it can be a program name with args. +set dummy fop; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_FO2PDF+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $FO2PDF in + [\\/]* | ?:[\\/]*) + ac_cv_path_FO2PDF="$FO2PDF" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_FO2PDF="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +FO2PDF=$ac_cv_path_FO2PDF +if test -n "$FO2PDF"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $FO2PDF" >&5 +$as_echo "$FO2PDF" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + + if test x$enable_docu != xno && test x$enable_doc != xno; then + ENABLE_REGENERATE_MAN_TRUE= + ENABLE_REGENERATE_MAN_FALSE='#' +else + ENABLE_REGENERATE_MAN_TRUE='#' + ENABLE_REGENERATE_MAN_FALSE= +fi + + if test -n "$FO2PDF"; then + ENABLE_GENERATE_PDF_TRUE= + ENABLE_GENERATE_PDF_FALSE='#' +else + ENABLE_GENERATE_PDF_TRUE='#' + ENABLE_GENERATE_PDF_FALSE= +fi + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether NLS is requested" >&5 +$as_echo_n "checking whether NLS is requested... " >&6; } + # Check whether --enable-nls was given. +if test "${enable_nls+set}" = set; then : + enableval=$enable_nls; USE_NLS=$enableval +else + USE_NLS=yes +fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $USE_NLS" >&5 +$as_echo "$USE_NLS" >&6; } + + + + + GETTEXT_MACRO_VERSION=0.18 + + + + +# Prepare PATH_SEPARATOR. +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + # Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which + # contains only /bin. Note that ksh looks also at the FPATH variable, + # so we have to set that as well for the test. + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \ + && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \ + || PATH_SEPARATOR=';' + } +fi + +# Find out how to test for executable files. Don't use a zero-byte file, +# as systems may use methods other than mode bits to determine executability. +cat >conf$$.file <<_ASEOF +#! /bin/sh +exit 0 +_ASEOF +chmod +x conf$$.file +if test -x conf$$.file >/dev/null 2>&1; then + ac_executable_p="test -x" +else + ac_executable_p="test -f" +fi +rm -f conf$$.file + +# Extract the first word of "msgfmt", so it can be a program name with args. +set dummy msgfmt; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_MSGFMT+:} false; then : + $as_echo_n "(cached) " >&6 +else + case "$MSGFMT" in + [\\/]* | ?:[\\/]*) + ac_cv_path_MSGFMT="$MSGFMT" # Let the user override the test with a path. + ;; + *) + ac_save_IFS="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$ac_save_IFS" + test -z "$ac_dir" && ac_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then + echo "$as_me: trying $ac_dir/$ac_word..." >&5 + if $ac_dir/$ac_word --statistics /dev/null >&5 2>&1 && + (if $ac_dir/$ac_word --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi); then + ac_cv_path_MSGFMT="$ac_dir/$ac_word$ac_exec_ext" + break 2 + fi + fi + done + done + IFS="$ac_save_IFS" + test -z "$ac_cv_path_MSGFMT" && ac_cv_path_MSGFMT=":" + ;; +esac +fi +MSGFMT="$ac_cv_path_MSGFMT" +if test "$MSGFMT" != ":"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MSGFMT" >&5 +$as_echo "$MSGFMT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + # Extract the first word of "gmsgfmt", so it can be a program name with args. +set dummy gmsgfmt; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_GMSGFMT+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $GMSGFMT in + [\\/]* | ?:[\\/]*) + ac_cv_path_GMSGFMT="$GMSGFMT" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_GMSGFMT="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_path_GMSGFMT" && ac_cv_path_GMSGFMT="$MSGFMT" + ;; +esac +fi +GMSGFMT=$ac_cv_path_GMSGFMT +if test -n "$GMSGFMT"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GMSGFMT" >&5 +$as_echo "$GMSGFMT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + + case `$MSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in + '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) MSGFMT_015=: ;; + *) MSGFMT_015=$MSGFMT ;; + esac + + case `$GMSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in + '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) GMSGFMT_015=: ;; + *) GMSGFMT_015=$GMSGFMT ;; + esac + + + +# Prepare PATH_SEPARATOR. +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + # Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which + # contains only /bin. Note that ksh looks also at the FPATH variable, + # so we have to set that as well for the test. + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \ + && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \ + || PATH_SEPARATOR=';' + } +fi + +# Find out how to test for executable files. Don't use a zero-byte file, +# as systems may use methods other than mode bits to determine executability. +cat >conf$$.file <<_ASEOF +#! /bin/sh +exit 0 +_ASEOF +chmod +x conf$$.file +if test -x conf$$.file >/dev/null 2>&1; then + ac_executable_p="test -x" +else + ac_executable_p="test -f" +fi +rm -f conf$$.file + +# Extract the first word of "xgettext", so it can be a program name with args. +set dummy xgettext; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_XGETTEXT+:} false; then : + $as_echo_n "(cached) " >&6 +else + case "$XGETTEXT" in + [\\/]* | ?:[\\/]*) + ac_cv_path_XGETTEXT="$XGETTEXT" # Let the user override the test with a path. + ;; + *) + ac_save_IFS="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$ac_save_IFS" + test -z "$ac_dir" && ac_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then + echo "$as_me: trying $ac_dir/$ac_word..." >&5 + if $ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null >&5 2>&1 && + (if $ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi); then + ac_cv_path_XGETTEXT="$ac_dir/$ac_word$ac_exec_ext" + break 2 + fi + fi + done + done + IFS="$ac_save_IFS" + test -z "$ac_cv_path_XGETTEXT" && ac_cv_path_XGETTEXT=":" + ;; +esac +fi +XGETTEXT="$ac_cv_path_XGETTEXT" +if test "$XGETTEXT" != ":"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $XGETTEXT" >&5 +$as_echo "$XGETTEXT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + rm -f messages.po + + case `$XGETTEXT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in + '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) XGETTEXT_015=: ;; + *) XGETTEXT_015=$XGETTEXT ;; + esac + + + +# Prepare PATH_SEPARATOR. +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + # Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which + # contains only /bin. Note that ksh looks also at the FPATH variable, + # so we have to set that as well for the test. + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \ + && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \ + || PATH_SEPARATOR=';' + } +fi + +# Find out how to test for executable files. Don't use a zero-byte file, +# as systems may use methods other than mode bits to determine executability. +cat >conf$$.file <<_ASEOF +#! /bin/sh +exit 0 +_ASEOF +chmod +x conf$$.file +if test -x conf$$.file >/dev/null 2>&1; then + ac_executable_p="test -x" +else + ac_executable_p="test -f" +fi +rm -f conf$$.file + +# Extract the first word of "msgmerge", so it can be a program name with args. +set dummy msgmerge; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_MSGMERGE+:} false; then : + $as_echo_n "(cached) " >&6 +else + case "$MSGMERGE" in + [\\/]* | ?:[\\/]*) + ac_cv_path_MSGMERGE="$MSGMERGE" # Let the user override the test with a path. + ;; + *) + ac_save_IFS="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$ac_save_IFS" + test -z "$ac_dir" && ac_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if $ac_executable_p "$ac_dir/$ac_word$ac_exec_ext"; then + echo "$as_me: trying $ac_dir/$ac_word..." >&5 + if $ac_dir/$ac_word --update -q /dev/null /dev/null >&5 2>&1; then + ac_cv_path_MSGMERGE="$ac_dir/$ac_word$ac_exec_ext" + break 2 + fi + fi + done + done + IFS="$ac_save_IFS" + test -z "$ac_cv_path_MSGMERGE" && ac_cv_path_MSGMERGE=":" + ;; +esac +fi +MSGMERGE="$ac_cv_path_MSGMERGE" +if test "$MSGMERGE" != ":"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MSGMERGE" >&5 +$as_echo "$MSGMERGE" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$localedir" || localedir='${datadir}/locale' + + + test -n "${XGETTEXT_EXTRA_OPTIONS+set}" || XGETTEXT_EXTRA_OPTIONS= + + + ac_config_commands="$ac_config_commands po-directories" + + + + if test "X$prefix" = "XNONE"; then + acl_final_prefix="$ac_default_prefix" + else + acl_final_prefix="$prefix" + fi + if test "X$exec_prefix" = "XNONE"; then + acl_final_exec_prefix='${prefix}' + else + acl_final_exec_prefix="$exec_prefix" + fi + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + eval acl_final_exec_prefix=\"$acl_final_exec_prefix\" + prefix="$acl_save_prefix" + + + +# Check whether --with-gnu-ld was given. +if test "${with_gnu_ld+set}" = set; then : + withval=$with_gnu_ld; test "$withval" = no || with_gnu_ld=yes +else + with_gnu_ld=no +fi + +# Prepare PATH_SEPARATOR. +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + # Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which + # contains only /bin. Note that ksh looks also at the FPATH variable, + # so we have to set that as well for the test. + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \ + && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \ + || PATH_SEPARATOR=';' + } +fi + +ac_prog=ld +if test "$GCC" = yes; then + # Check if gcc -print-prog-name=ld gives a path. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5 +$as_echo_n "checking for ld used by $CC... " >&6; } + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [\\/]* | ?:[\\/]*) + re_direlt='/[^/][^/]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`echo "$ac_prog"| sed 's%\\\\%/%g'` + while echo "$ac_prog" | grep "$re_direlt" > /dev/null 2>&1; do + ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` + done + test -z "$LD" && LD="$ac_prog" + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test "$with_gnu_ld" = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5 +$as_echo_n "checking for GNU ld... " >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5 +$as_echo_n "checking for non-GNU ld... " >&6; } +fi +if ${acl_cv_path_LD+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$LD"; then + acl_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$acl_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + acl_cv_path_LD="$ac_dir/$ac_prog" + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$acl_cv_path_LD" -v 2>&1 &5 +$as_echo "$LD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi +test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5 +$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; } +if ${acl_cv_prog_gnu_ld+:} false; then : + $as_echo_n "(cached) " >&6 +else + # I'd rather use --version here, but apparently some GNU lds only accept -v. +case `$LD -v 2>&1 &5 +$as_echo "$acl_cv_prog_gnu_ld" >&6; } +with_gnu_ld=$acl_cv_prog_gnu_ld + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shared library run path origin" >&5 +$as_echo_n "checking for shared library run path origin... " >&6; } +if ${acl_cv_rpath+:} false; then : + $as_echo_n "(cached) " >&6 +else + + CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \ + ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh + . ./conftest.sh + rm -f ./conftest.sh + acl_cv_rpath=done + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $acl_cv_rpath" >&5 +$as_echo "$acl_cv_rpath" >&6; } + wl="$acl_cv_wl" + acl_libext="$acl_cv_libext" + acl_shlibext="$acl_cv_shlibext" + acl_libname_spec="$acl_cv_libname_spec" + acl_library_names_spec="$acl_cv_library_names_spec" + acl_hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec" + acl_hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator" + acl_hardcode_direct="$acl_cv_hardcode_direct" + acl_hardcode_minus_L="$acl_cv_hardcode_minus_L" + # Check whether --enable-rpath was given. +if test "${enable_rpath+set}" = set; then : + enableval=$enable_rpath; : +else + enable_rpath=yes +fi + + + + + acl_libdirstem=lib + acl_libdirstem2= + case "$host_os" in + solaris*) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for 64-bit host" >&5 +$as_echo_n "checking for 64-bit host... " >&6; } +if ${gl_cv_solaris_64bit+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#ifdef _LP64 +sixtyfour bits +#endif + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "sixtyfour bits" >/dev/null 2>&1; then : + gl_cv_solaris_64bit=yes +else + gl_cv_solaris_64bit=no +fi +rm -f conftest* + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_solaris_64bit" >&5 +$as_echo "$gl_cv_solaris_64bit" >&6; } + if test $gl_cv_solaris_64bit = yes; then + acl_libdirstem=lib/64 + case "$host_cpu" in + sparc*) acl_libdirstem2=lib/sparcv9 ;; + i*86 | x86_64) acl_libdirstem2=lib/amd64 ;; + esac + fi + ;; + *) + searchpath=`(LC_ALL=C $CC -print-search-dirs) 2>/dev/null | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'` + if test -n "$searchpath"; then + acl_save_IFS="${IFS= }"; IFS=":" + for searchdir in $searchpath; do + if test -d "$searchdir"; then + case "$searchdir" in + */lib64/ | */lib64 ) acl_libdirstem=lib64 ;; + */../ | */.. ) + # Better ignore directories of this form. They are misleading. + ;; + *) searchdir=`cd "$searchdir" && pwd` + case "$searchdir" in + */lib64 ) acl_libdirstem=lib64 ;; + esac ;; + esac + fi + done + IFS="$acl_save_IFS" + fi + ;; + esac + test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem" + + + + + + + + + + + + + use_additional=yes + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + +# Check whether --with-libiconv-prefix was given. +if test "${with_libiconv_prefix+set}" = set; then : + withval=$with_libiconv_prefix; + if test "X$withval" = "Xno"; then + use_additional=no + else + if test "X$withval" = "X"; then + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + else + additional_includedir="$withval/include" + additional_libdir="$withval/$acl_libdirstem" + if test "$acl_libdirstem2" != "$acl_libdirstem" \ + && ! test -d "$withval/$acl_libdirstem"; then + additional_libdir="$withval/$acl_libdirstem2" + fi + fi + fi + +fi + + LIBICONV= + LTLIBICONV= + INCICONV= + LIBICONV_PREFIX= + HAVE_LIBICONV= + rpathdirs= + ltrpathdirs= + names_already_handled= + names_next_round='iconv ' + while test -n "$names_next_round"; do + names_this_round="$names_next_round" + names_next_round= + for name in $names_this_round; do + already_handled= + for n in $names_already_handled; do + if test "$n" = "$name"; then + already_handled=yes + break + fi + done + if test -z "$already_handled"; then + names_already_handled="$names_already_handled $name" + uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./+-|ABCDEFGHIJKLMNOPQRSTUVWXYZ____|'` + eval value=\"\$HAVE_LIB$uppername\" + if test -n "$value"; then + if test "$value" = yes; then + eval value=\"\$LIB$uppername\" + test -z "$value" || LIBICONV="${LIBICONV}${LIBICONV:+ }$value" + eval value=\"\$LTLIB$uppername\" + test -z "$value" || LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }$value" + else + : + fi + else + found_dir= + found_la= + found_so= + found_a= + eval libname=\"$acl_libname_spec\" # typically: libname=lib$name + if test -n "$acl_shlibext"; then + shrext=".$acl_shlibext" # typically: shrext=.so + else + shrext= + fi + if test $use_additional = yes; then + dir="$additional_libdir" + if test -n "$acl_shlibext"; then + if test -f "$dir/$libname$shrext"; then + found_dir="$dir" + found_so="$dir/$libname$shrext" + else + if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then + ver=`(cd "$dir" && \ + for f in "$libname$shrext".*; do echo "$f"; done \ + | sed -e "s,^$libname$shrext\\\\.,," \ + | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ + | sed 1q ) 2>/dev/null` + if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then + found_dir="$dir" + found_so="$dir/$libname$shrext.$ver" + fi + else + eval library_names=\"$acl_library_names_spec\" + for f in $library_names; do + if test -f "$dir/$f"; then + found_dir="$dir" + found_so="$dir/$f" + break + fi + done + fi + fi + fi + if test "X$found_dir" = "X"; then + if test -f "$dir/$libname.$acl_libext"; then + found_dir="$dir" + found_a="$dir/$libname.$acl_libext" + fi + fi + if test "X$found_dir" != "X"; then + if test -f "$dir/$libname.la"; then + found_la="$dir/$libname.la" + fi + fi + fi + if test "X$found_dir" = "X"; then + for x in $LDFLAGS $LTLIBICONV; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + case "$x" in + -L*) + dir=`echo "X$x" | sed -e 's/^X-L//'` + if test -n "$acl_shlibext"; then + if test -f "$dir/$libname$shrext"; then + found_dir="$dir" + found_so="$dir/$libname$shrext" + else + if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then + ver=`(cd "$dir" && \ + for f in "$libname$shrext".*; do echo "$f"; done \ + | sed -e "s,^$libname$shrext\\\\.,," \ + | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ + | sed 1q ) 2>/dev/null` + if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then + found_dir="$dir" + found_so="$dir/$libname$shrext.$ver" + fi + else + eval library_names=\"$acl_library_names_spec\" + for f in $library_names; do + if test -f "$dir/$f"; then + found_dir="$dir" + found_so="$dir/$f" + break + fi + done + fi + fi + fi + if test "X$found_dir" = "X"; then + if test -f "$dir/$libname.$acl_libext"; then + found_dir="$dir" + found_a="$dir/$libname.$acl_libext" + fi + fi + if test "X$found_dir" != "X"; then + if test -f "$dir/$libname.la"; then + found_la="$dir/$libname.la" + fi + fi + ;; + esac + if test "X$found_dir" != "X"; then + break + fi + done + fi + if test "X$found_dir" != "X"; then + LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }-L$found_dir -l$name" + if test "X$found_so" != "X"; then + if test "$enable_rpath" = no \ + || test "X$found_dir" = "X/usr/$acl_libdirstem" \ + || test "X$found_dir" = "X/usr/$acl_libdirstem2"; then + LIBICONV="${LIBICONV}${LIBICONV:+ }$found_so" + else + haveit= + for x in $ltrpathdirs; do + if test "X$x" = "X$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + ltrpathdirs="$ltrpathdirs $found_dir" + fi + if test "$acl_hardcode_direct" = yes; then + LIBICONV="${LIBICONV}${LIBICONV:+ }$found_so" + else + if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then + LIBICONV="${LIBICONV}${LIBICONV:+ }$found_so" + haveit= + for x in $rpathdirs; do + if test "X$x" = "X$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + rpathdirs="$rpathdirs $found_dir" + fi + else + haveit= + for x in $LDFLAGS $LIBICONV; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X-L$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + LIBICONV="${LIBICONV}${LIBICONV:+ }-L$found_dir" + fi + if test "$acl_hardcode_minus_L" != no; then + LIBICONV="${LIBICONV}${LIBICONV:+ }$found_so" + else + LIBICONV="${LIBICONV}${LIBICONV:+ }-l$name" + fi + fi + fi + fi + else + if test "X$found_a" != "X"; then + LIBICONV="${LIBICONV}${LIBICONV:+ }$found_a" + else + LIBICONV="${LIBICONV}${LIBICONV:+ }-L$found_dir -l$name" + fi + fi + additional_includedir= + case "$found_dir" in + */$acl_libdirstem | */$acl_libdirstem/) + basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'` + if test "$name" = 'iconv'; then + LIBICONV_PREFIX="$basedir" + fi + additional_includedir="$basedir/include" + ;; + */$acl_libdirstem2 | */$acl_libdirstem2/) + basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem2/"'*$,,'` + if test "$name" = 'iconv'; then + LIBICONV_PREFIX="$basedir" + fi + additional_includedir="$basedir/include" + ;; + esac + if test "X$additional_includedir" != "X"; then + if test "X$additional_includedir" != "X/usr/include"; then + haveit= + if test "X$additional_includedir" = "X/usr/local/include"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + for x in $CPPFLAGS $INCICONV; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X-I$additional_includedir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_includedir"; then + INCICONV="${INCICONV}${INCICONV:+ }-I$additional_includedir" + fi + fi + fi + fi + fi + if test -n "$found_la"; then + save_libdir="$libdir" + case "$found_la" in + */* | *\\*) . "$found_la" ;; + *) . "./$found_la" ;; + esac + libdir="$save_libdir" + for dep in $dependency_libs; do + case "$dep" in + -L*) + additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'` + if test "X$additional_libdir" != "X/usr/$acl_libdirstem" \ + && test "X$additional_libdir" != "X/usr/$acl_libdirstem2"; then + haveit= + if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem" \ + || test "X$additional_libdir" = "X/usr/local/$acl_libdirstem2"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + haveit= + for x in $LDFLAGS $LIBICONV; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + LIBICONV="${LIBICONV}${LIBICONV:+ }-L$additional_libdir" + fi + fi + haveit= + for x in $LDFLAGS $LTLIBICONV; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }-L$additional_libdir" + fi + fi + fi + fi + ;; + -R*) + dir=`echo "X$dep" | sed -e 's/^X-R//'` + if test "$enable_rpath" != no; then + haveit= + for x in $rpathdirs; do + if test "X$x" = "X$dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + rpathdirs="$rpathdirs $dir" + fi + haveit= + for x in $ltrpathdirs; do + if test "X$x" = "X$dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + ltrpathdirs="$ltrpathdirs $dir" + fi + fi + ;; + -l*) + names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'` + ;; + *.la) + names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'` + ;; + *) + LIBICONV="${LIBICONV}${LIBICONV:+ }$dep" + LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }$dep" + ;; + esac + done + fi + else + LIBICONV="${LIBICONV}${LIBICONV:+ }-l$name" + LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }-l$name" + fi + fi + fi + done + done + if test "X$rpathdirs" != "X"; then + if test -n "$acl_hardcode_libdir_separator"; then + alldirs= + for found_dir in $rpathdirs; do + alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir" + done + acl_save_libdir="$libdir" + libdir="$alldirs" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + LIBICONV="${LIBICONV}${LIBICONV:+ }$flag" + else + for found_dir in $rpathdirs; do + acl_save_libdir="$libdir" + libdir="$found_dir" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + LIBICONV="${LIBICONV}${LIBICONV:+ }$flag" + done + fi + fi + if test "X$ltrpathdirs" != "X"; then + for found_dir in $ltrpathdirs; do + LTLIBICONV="${LTLIBICONV}${LTLIBICONV:+ }-R$found_dir" + done + fi + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for CFPreferencesCopyAppValue" >&5 +$as_echo_n "checking for CFPreferencesCopyAppValue... " >&6; } +if ${gt_cv_func_CFPreferencesCopyAppValue+:} false; then : + $as_echo_n "(cached) " >&6 +else + gt_save_LIBS="$LIBS" + LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +CFPreferencesCopyAppValue(NULL, NULL) + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gt_cv_func_CFPreferencesCopyAppValue=yes +else + gt_cv_func_CFPreferencesCopyAppValue=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LIBS="$gt_save_LIBS" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gt_cv_func_CFPreferencesCopyAppValue" >&5 +$as_echo "$gt_cv_func_CFPreferencesCopyAppValue" >&6; } + if test $gt_cv_func_CFPreferencesCopyAppValue = yes; then + +$as_echo "#define HAVE_CFPREFERENCESCOPYAPPVALUE 1" >>confdefs.h + + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for CFLocaleCopyCurrent" >&5 +$as_echo_n "checking for CFLocaleCopyCurrent... " >&6; } +if ${gt_cv_func_CFLocaleCopyCurrent+:} false; then : + $as_echo_n "(cached) " >&6 +else + gt_save_LIBS="$LIBS" + LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +CFLocaleCopyCurrent(); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + gt_cv_func_CFLocaleCopyCurrent=yes +else + gt_cv_func_CFLocaleCopyCurrent=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LIBS="$gt_save_LIBS" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gt_cv_func_CFLocaleCopyCurrent" >&5 +$as_echo "$gt_cv_func_CFLocaleCopyCurrent" >&6; } + if test $gt_cv_func_CFLocaleCopyCurrent = yes; then + +$as_echo "#define HAVE_CFLOCALECOPYCURRENT 1" >>confdefs.h + + fi + INTL_MACOSX_LIBS= + if test $gt_cv_func_CFPreferencesCopyAppValue = yes || test $gt_cv_func_CFLocaleCopyCurrent = yes; then + INTL_MACOSX_LIBS="-Wl,-framework -Wl,CoreFoundation" + fi + + + + + + + LIBINTL= + LTLIBINTL= + POSUB= + + case " $gt_needs " in + *" need-formatstring-macros "*) gt_api_version=3 ;; + *" need-ngettext "*) gt_api_version=2 ;; + *) gt_api_version=1 ;; + esac + gt_func_gnugettext_libc="gt_cv_func_gnugettext${gt_api_version}_libc" + gt_func_gnugettext_libintl="gt_cv_func_gnugettext${gt_api_version}_libintl" + + if test "$USE_NLS" = "yes"; then + gt_use_preinstalled_gnugettext=no + + + if test $gt_api_version -ge 3; then + gt_revision_test_code=' +#ifndef __GNU_GETTEXT_SUPPORTED_REVISION +#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1) +#endif +typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1]; +' + else + gt_revision_test_code= + fi + if test $gt_api_version -ge 2; then + gt_expression_test_code=' + * ngettext ("", "", 0)' + else + gt_expression_test_code= + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU gettext in libc" >&5 +$as_echo_n "checking for GNU gettext in libc... " >&6; } +if eval \${$gt_func_gnugettext_libc+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +$gt_revision_test_code +extern int _nl_msg_cat_cntr; +extern int *_nl_domain_bindings; + +int +main () +{ + +bindtextdomain ("", ""); +return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_domain_bindings + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + eval "$gt_func_gnugettext_libc=yes" +else + eval "$gt_func_gnugettext_libc=no" +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +eval ac_res=\$$gt_func_gnugettext_libc + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + + if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" != "yes"; }; then + + + + + + am_save_CPPFLAGS="$CPPFLAGS" + + for element in $INCICONV; do + haveit= + for x in $CPPFLAGS; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X$element"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }$element" + fi + done + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for iconv" >&5 +$as_echo_n "checking for iconv... " >&6; } +if ${am_cv_func_iconv+:} false; then : + $as_echo_n "(cached) " >&6 +else + + am_cv_func_iconv="no, consider installing GNU libiconv" + am_cv_lib_iconv=no + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include + +int +main () +{ +iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + am_cv_func_iconv=yes +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test "$am_cv_func_iconv" != yes; then + am_save_LIBS="$LIBS" + LIBS="$LIBS $LIBICONV" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include + +int +main () +{ +iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + am_cv_lib_iconv=yes + am_cv_func_iconv=yes +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LIBS="$am_save_LIBS" + fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_func_iconv" >&5 +$as_echo "$am_cv_func_iconv" >&6; } + if test "$am_cv_func_iconv" = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working iconv" >&5 +$as_echo_n "checking for working iconv... " >&6; } +if ${am_cv_func_iconv_works+:} false; then : + $as_echo_n "(cached) " >&6 +else + + am_save_LIBS="$LIBS" + if test $am_cv_lib_iconv = yes; then + LIBS="$LIBS $LIBICONV" + fi + if test "$cross_compiling" = yes; then : + + case "$host_os" in + aix* | hpux*) am_cv_func_iconv_works="guessing no" ;; + *) am_cv_func_iconv_works="guessing yes" ;; + esac + +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include +int main () +{ + int result = 0; + /* Test against AIX 5.1 bug: Failures are not distinguishable from successful + returns. */ + { + iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8"); + if (cd_utf8_to_88591 != (iconv_t)(-1)) + { + static const char input[] = "\342\202\254"; /* EURO SIGN */ + char buf[10]; + const char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_utf8_to_88591, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if (res == 0) + result |= 1; + iconv_close (cd_utf8_to_88591); + } + } + /* Test against Solaris 10 bug: Failures are not distinguishable from + successful returns. */ + { + iconv_t cd_ascii_to_88591 = iconv_open ("ISO8859-1", "646"); + if (cd_ascii_to_88591 != (iconv_t)(-1)) + { + static const char input[] = "\263"; + char buf[10]; + const char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_ascii_to_88591, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if (res == 0) + result |= 2; + iconv_close (cd_ascii_to_88591); + } + } + /* Test against AIX 6.1..7.1 bug: Buffer overrun. */ + { + iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1"); + if (cd_88591_to_utf8 != (iconv_t)(-1)) + { + static const char input[] = "\304"; + static char buf[2] = { (char)0xDE, (char)0xAD }; + const char *inptr = input; + size_t inbytesleft = 1; + char *outptr = buf; + size_t outbytesleft = 1; + size_t res = iconv (cd_88591_to_utf8, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if (res != (size_t)(-1) || outptr - buf > 1 || buf[1] != (char)0xAD) + result |= 4; + iconv_close (cd_88591_to_utf8); + } + } +#if 0 /* This bug could be worked around by the caller. */ + /* Test against HP-UX 11.11 bug: Positive return value instead of 0. */ + { + iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591"); + if (cd_88591_to_utf8 != (iconv_t)(-1)) + { + static const char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337"; + char buf[50]; + const char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_88591_to_utf8, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if ((int)res > 0) + result |= 8; + iconv_close (cd_88591_to_utf8); + } + } +#endif + /* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is + provided. */ + if (/* Try standardized names. */ + iconv_open ("UTF-8", "EUC-JP") == (iconv_t)(-1) + /* Try IRIX, OSF/1 names. */ + && iconv_open ("UTF-8", "eucJP") == (iconv_t)(-1) + /* Try AIX names. */ + && iconv_open ("UTF-8", "IBM-eucJP") == (iconv_t)(-1) + /* Try HP-UX names. */ + && iconv_open ("utf8", "eucJP") == (iconv_t)(-1)) + result |= 16; + return result; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + am_cv_func_iconv_works=yes +else + am_cv_func_iconv_works=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + LIBS="$am_save_LIBS" + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_func_iconv_works" >&5 +$as_echo "$am_cv_func_iconv_works" >&6; } + case "$am_cv_func_iconv_works" in + *no) am_func_iconv=no am_cv_lib_iconv=no ;; + *) am_func_iconv=yes ;; + esac + else + am_func_iconv=no am_cv_lib_iconv=no + fi + if test "$am_func_iconv" = yes; then + +$as_echo "#define HAVE_ICONV 1" >>confdefs.h + + fi + if test "$am_cv_lib_iconv" = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to link with libiconv" >&5 +$as_echo_n "checking how to link with libiconv... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIBICONV" >&5 +$as_echo "$LIBICONV" >&6; } + else + CPPFLAGS="$am_save_CPPFLAGS" + LIBICONV= + LTLIBICONV= + fi + + + + + + + + + + + + use_additional=yes + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + +# Check whether --with-libintl-prefix was given. +if test "${with_libintl_prefix+set}" = set; then : + withval=$with_libintl_prefix; + if test "X$withval" = "Xno"; then + use_additional=no + else + if test "X$withval" = "X"; then + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + else + additional_includedir="$withval/include" + additional_libdir="$withval/$acl_libdirstem" + if test "$acl_libdirstem2" != "$acl_libdirstem" \ + && ! test -d "$withval/$acl_libdirstem"; then + additional_libdir="$withval/$acl_libdirstem2" + fi + fi + fi + +fi + + LIBINTL= + LTLIBINTL= + INCINTL= + LIBINTL_PREFIX= + HAVE_LIBINTL= + rpathdirs= + ltrpathdirs= + names_already_handled= + names_next_round='intl ' + while test -n "$names_next_round"; do + names_this_round="$names_next_round" + names_next_round= + for name in $names_this_round; do + already_handled= + for n in $names_already_handled; do + if test "$n" = "$name"; then + already_handled=yes + break + fi + done + if test -z "$already_handled"; then + names_already_handled="$names_already_handled $name" + uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./+-|ABCDEFGHIJKLMNOPQRSTUVWXYZ____|'` + eval value=\"\$HAVE_LIB$uppername\" + if test -n "$value"; then + if test "$value" = yes; then + eval value=\"\$LIB$uppername\" + test -z "$value" || LIBINTL="${LIBINTL}${LIBINTL:+ }$value" + eval value=\"\$LTLIB$uppername\" + test -z "$value" || LTLIBINTL="${LTLIBINTL}${LTLIBINTL:+ }$value" + else + : + fi + else + found_dir= + found_la= + found_so= + found_a= + eval libname=\"$acl_libname_spec\" # typically: libname=lib$name + if test -n "$acl_shlibext"; then + shrext=".$acl_shlibext" # typically: shrext=.so + else + shrext= + fi + if test $use_additional = yes; then + dir="$additional_libdir" + if test -n "$acl_shlibext"; then + if test -f "$dir/$libname$shrext"; then + found_dir="$dir" + found_so="$dir/$libname$shrext" + else + if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then + ver=`(cd "$dir" && \ + for f in "$libname$shrext".*; do echo "$f"; done \ + | sed -e "s,^$libname$shrext\\\\.,," \ + | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ + | sed 1q ) 2>/dev/null` + if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then + found_dir="$dir" + found_so="$dir/$libname$shrext.$ver" + fi + else + eval library_names=\"$acl_library_names_spec\" + for f in $library_names; do + if test -f "$dir/$f"; then + found_dir="$dir" + found_so="$dir/$f" + break + fi + done + fi + fi + fi + if test "X$found_dir" = "X"; then + if test -f "$dir/$libname.$acl_libext"; then + found_dir="$dir" + found_a="$dir/$libname.$acl_libext" + fi + fi + if test "X$found_dir" != "X"; then + if test -f "$dir/$libname.la"; then + found_la="$dir/$libname.la" + fi + fi + fi + if test "X$found_dir" = "X"; then + for x in $LDFLAGS $LTLIBINTL; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + case "$x" in + -L*) + dir=`echo "X$x" | sed -e 's/^X-L//'` + if test -n "$acl_shlibext"; then + if test -f "$dir/$libname$shrext"; then + found_dir="$dir" + found_so="$dir/$libname$shrext" + else + if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then + ver=`(cd "$dir" && \ + for f in "$libname$shrext".*; do echo "$f"; done \ + | sed -e "s,^$libname$shrext\\\\.,," \ + | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ + | sed 1q ) 2>/dev/null` + if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then + found_dir="$dir" + found_so="$dir/$libname$shrext.$ver" + fi + else + eval library_names=\"$acl_library_names_spec\" + for f in $library_names; do + if test -f "$dir/$f"; then + found_dir="$dir" + found_so="$dir/$f" + break + fi + done + fi + fi + fi + if test "X$found_dir" = "X"; then + if test -f "$dir/$libname.$acl_libext"; then + found_dir="$dir" + found_a="$dir/$libname.$acl_libext" + fi + fi + if test "X$found_dir" != "X"; then + if test -f "$dir/$libname.la"; then + found_la="$dir/$libname.la" + fi + fi + ;; + esac + if test "X$found_dir" != "X"; then + break + fi + done + fi + if test "X$found_dir" != "X"; then + LTLIBINTL="${LTLIBINTL}${LTLIBINTL:+ }-L$found_dir -l$name" + if test "X$found_so" != "X"; then + if test "$enable_rpath" = no \ + || test "X$found_dir" = "X/usr/$acl_libdirstem" \ + || test "X$found_dir" = "X/usr/$acl_libdirstem2"; then + LIBINTL="${LIBINTL}${LIBINTL:+ }$found_so" + else + haveit= + for x in $ltrpathdirs; do + if test "X$x" = "X$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + ltrpathdirs="$ltrpathdirs $found_dir" + fi + if test "$acl_hardcode_direct" = yes; then + LIBINTL="${LIBINTL}${LIBINTL:+ }$found_so" + else + if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then + LIBINTL="${LIBINTL}${LIBINTL:+ }$found_so" + haveit= + for x in $rpathdirs; do + if test "X$x" = "X$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + rpathdirs="$rpathdirs $found_dir" + fi + else + haveit= + for x in $LDFLAGS $LIBINTL; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X-L$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + LIBINTL="${LIBINTL}${LIBINTL:+ }-L$found_dir" + fi + if test "$acl_hardcode_minus_L" != no; then + LIBINTL="${LIBINTL}${LIBINTL:+ }$found_so" + else + LIBINTL="${LIBINTL}${LIBINTL:+ }-l$name" + fi + fi + fi + fi + else + if test "X$found_a" != "X"; then + LIBINTL="${LIBINTL}${LIBINTL:+ }$found_a" + else + LIBINTL="${LIBINTL}${LIBINTL:+ }-L$found_dir -l$name" + fi + fi + additional_includedir= + case "$found_dir" in + */$acl_libdirstem | */$acl_libdirstem/) + basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'` + if test "$name" = 'intl'; then + LIBINTL_PREFIX="$basedir" + fi + additional_includedir="$basedir/include" + ;; + */$acl_libdirstem2 | */$acl_libdirstem2/) + basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem2/"'*$,,'` + if test "$name" = 'intl'; then + LIBINTL_PREFIX="$basedir" + fi + additional_includedir="$basedir/include" + ;; + esac + if test "X$additional_includedir" != "X"; then + if test "X$additional_includedir" != "X/usr/include"; then + haveit= + if test "X$additional_includedir" = "X/usr/local/include"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + for x in $CPPFLAGS $INCINTL; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X-I$additional_includedir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_includedir"; then + INCINTL="${INCINTL}${INCINTL:+ }-I$additional_includedir" + fi + fi + fi + fi + fi + if test -n "$found_la"; then + save_libdir="$libdir" + case "$found_la" in + */* | *\\*) . "$found_la" ;; + *) . "./$found_la" ;; + esac + libdir="$save_libdir" + for dep in $dependency_libs; do + case "$dep" in + -L*) + additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'` + if test "X$additional_libdir" != "X/usr/$acl_libdirstem" \ + && test "X$additional_libdir" != "X/usr/$acl_libdirstem2"; then + haveit= + if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem" \ + || test "X$additional_libdir" = "X/usr/local/$acl_libdirstem2"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + haveit= + for x in $LDFLAGS $LIBINTL; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + LIBINTL="${LIBINTL}${LIBINTL:+ }-L$additional_libdir" + fi + fi + haveit= + for x in $LDFLAGS $LTLIBINTL; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + LTLIBINTL="${LTLIBINTL}${LTLIBINTL:+ }-L$additional_libdir" + fi + fi + fi + fi + ;; + -R*) + dir=`echo "X$dep" | sed -e 's/^X-R//'` + if test "$enable_rpath" != no; then + haveit= + for x in $rpathdirs; do + if test "X$x" = "X$dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + rpathdirs="$rpathdirs $dir" + fi + haveit= + for x in $ltrpathdirs; do + if test "X$x" = "X$dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + ltrpathdirs="$ltrpathdirs $dir" + fi + fi + ;; + -l*) + names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'` + ;; + *.la) + names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'` + ;; + *) + LIBINTL="${LIBINTL}${LIBINTL:+ }$dep" + LTLIBINTL="${LTLIBINTL}${LTLIBINTL:+ }$dep" + ;; + esac + done + fi + else + LIBINTL="${LIBINTL}${LIBINTL:+ }-l$name" + LTLIBINTL="${LTLIBINTL}${LTLIBINTL:+ }-l$name" + fi + fi + fi + done + done + if test "X$rpathdirs" != "X"; then + if test -n "$acl_hardcode_libdir_separator"; then + alldirs= + for found_dir in $rpathdirs; do + alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir" + done + acl_save_libdir="$libdir" + libdir="$alldirs" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + LIBINTL="${LIBINTL}${LIBINTL:+ }$flag" + else + for found_dir in $rpathdirs; do + acl_save_libdir="$libdir" + libdir="$found_dir" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + LIBINTL="${LIBINTL}${LIBINTL:+ }$flag" + done + fi + fi + if test "X$ltrpathdirs" != "X"; then + for found_dir in $ltrpathdirs; do + LTLIBINTL="${LTLIBINTL}${LTLIBINTL:+ }-R$found_dir" + done + fi + + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU gettext in libintl" >&5 +$as_echo_n "checking for GNU gettext in libintl... " >&6; } +if eval \${$gt_func_gnugettext_libintl+:} false; then : + $as_echo_n "(cached) " >&6 +else + gt_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $INCINTL" + gt_save_LIBS="$LIBS" + LIBS="$LIBS $LIBINTL" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +$gt_revision_test_code +extern int _nl_msg_cat_cntr; +extern +#ifdef __cplusplus +"C" +#endif +const char *_nl_expand_alias (const char *); + +int +main () +{ + +bindtextdomain ("", ""); +return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_expand_alias ("") + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + eval "$gt_func_gnugettext_libintl=yes" +else + eval "$gt_func_gnugettext_libintl=no" +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" != yes; } && test -n "$LIBICONV"; then + LIBS="$LIBS $LIBICONV" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +$gt_revision_test_code +extern int _nl_msg_cat_cntr; +extern +#ifdef __cplusplus +"C" +#endif +const char *_nl_expand_alias (const char *); + +int +main () +{ + +bindtextdomain ("", ""); +return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_expand_alias ("") + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + LIBINTL="$LIBINTL $LIBICONV" + LTLIBINTL="$LTLIBINTL $LTLIBICONV" + eval "$gt_func_gnugettext_libintl=yes" + +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + fi + CPPFLAGS="$gt_save_CPPFLAGS" + LIBS="$gt_save_LIBS" +fi +eval ac_res=\$$gt_func_gnugettext_libintl + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + fi + + if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" = "yes"; } \ + || { { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; } \ + && test "$PACKAGE" != gettext-runtime \ + && test "$PACKAGE" != gettext-tools; }; then + gt_use_preinstalled_gnugettext=yes + else + LIBINTL= + LTLIBINTL= + INCINTL= + fi + + + + if test -n "$INTL_MACOSX_LIBS"; then + if test "$gt_use_preinstalled_gnugettext" = "yes" \ + || test "$nls_cv_use_gnu_gettext" = "yes"; then + LIBINTL="$LIBINTL $INTL_MACOSX_LIBS" + LTLIBINTL="$LTLIBINTL $INTL_MACOSX_LIBS" + fi + fi + + if test "$gt_use_preinstalled_gnugettext" = "yes" \ + || test "$nls_cv_use_gnu_gettext" = "yes"; then + +$as_echo "#define ENABLE_NLS 1" >>confdefs.h + + else + USE_NLS=no + fi + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use NLS" >&5 +$as_echo_n "checking whether to use NLS... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $USE_NLS" >&5 +$as_echo "$USE_NLS" >&6; } + if test "$USE_NLS" = "yes"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking where the gettext function comes from" >&5 +$as_echo_n "checking where the gettext function comes from... " >&6; } + if test "$gt_use_preinstalled_gnugettext" = "yes"; then + if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; }; then + gt_source="external libintl" + else + gt_source="libc" + fi + else + gt_source="included intl directory" + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gt_source" >&5 +$as_echo "$gt_source" >&6; } + fi + + if test "$USE_NLS" = "yes"; then + + if test "$gt_use_preinstalled_gnugettext" = "yes"; then + if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; }; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to link with libintl" >&5 +$as_echo_n "checking how to link with libintl... " >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIBINTL" >&5 +$as_echo "$LIBINTL" >&6; } + + for element in $INCINTL; do + haveit= + for x in $CPPFLAGS; do + + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + eval x=\"$x\" + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" + + if test "X$x" = "X$element"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }$element" + fi + done + + fi + + +$as_echo "#define HAVE_GETTEXT 1" >>confdefs.h + + +$as_echo "#define HAVE_DCGETTEXT 1" >>confdefs.h + + fi + + POSUB=po + fi + + + + INTLLIBS="$LIBINTL" + + + + + + +for ac_func in dngettext +do : + ac_fn_c_check_func "$LINENO" "dngettext" "ac_cv_func_dngettext" +if test "x$ac_cv_func_dngettext" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_DNGETTEXT 1 +_ACEOF + +fi +done + + + + +ac_fn_c_check_decl "$LINENO" "__NR_keyctl" "ac_cv_have_decl___NR_keyctl" "#include +" +if test "x$ac_cv_have_decl___NR_keyctl" = xyes; then : + have_key_syscalls=1 +else + have_key_syscalls=0 +fi + + + +# Check whether --with-uidmin was given. +if test "${with_uidmin+set}" = set; then : + withval=$with_uidmin; opt_uidmin=$withval +fi + +test -n "$opt_uidmin" || + opt_uidmin=1000 + +cat >>confdefs.h <<_ACEOF +#define PAM_USERTYPE_UIDMIN $opt_uidmin +_ACEOF + + + +# Check whether --with-sysuidmin was given. +if test "${with_sysuidmin+set}" = set; then : + withval=$with_sysuidmin; opt_sysuidmin=$withval +fi + +test -n "$opt_sysuidmin" || + opt_sysuidmin=101 + +cat >>confdefs.h <<_ACEOF +#define PAM_USERTYPE_SYSUIDMIN $opt_sysuidmin +_ACEOF + + + +# Check whether --with-kernel-overflow-uid was given. +if test "${with_kernel_overflow_uid+set}" = set; then : + withval=$with_kernel_overflow_uid; opt_kerneloverflowuid=$withval +fi + +test -n "$opt_kerneloverflowuid" || + opt_kerneloverflowuid=65534 + +cat >>confdefs.h <<_ACEOF +#define PAM_USERTYPE_OVERFLOW_UID $opt_kerneloverflowuid +_ACEOF + + + +# Check whether --with-systemdunitdir was given. +if test "${with_systemdunitdir+set}" = set; then : + withval=$with_systemdunitdir; +else + + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"systemd\""; } >&5 + ($PKG_CONFIG --exists --print-errors "systemd") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + with_systemdunitdir=$($PKG_CONFIG --variable=systemdunitdir systemd) +else + with_systemdunitdir='${prefix}/lib/systemd/system' +fi + +fi + +systemdunitdir=$with_systemdunitdir + + +# Check whether --enable-unix was given. +if test "${enable_unix+set}" = set; then : + enableval=$enable_unix; +else + enable_unix=yes +fi + +case "$enable_unix" in + yes|no) ;; + *) as_fn_error $? "bad value $enable_unix for --enable-unix option" "$LINENO" 5 ;; +esac + + +# Check whether --with-misc-conv-bufsize was given. +if test "${with_misc_conv_bufsize+set}" = set; then : + withval=$with_misc_conv_bufsize; +else + with_misc_conv_bufsize=4096 +fi + + +cat >>confdefs.h <<_ACEOF +#define PAM_MISC_CONV_BUFSIZE $with_misc_conv_bufsize +_ACEOF + + + if test "$have_key_syscalls" = 1; then + COND_BUILD_PAM_KEYINIT_TRUE= + COND_BUILD_PAM_KEYINIT_FALSE='#' +else + COND_BUILD_PAM_KEYINIT_TRUE='#' + COND_BUILD_PAM_KEYINIT_FALSE= +fi + + if test "$ac_cv_func_logwtmp" = yes; then + COND_BUILD_PAM_LASTLOG_TRUE= + COND_BUILD_PAM_LASTLOG_FALSE='#' +else + COND_BUILD_PAM_LASTLOG_TRUE='#' + COND_BUILD_PAM_LASTLOG_FALSE= +fi + + if test "$ac_cv_func_unshare" = yes; then + COND_BUILD_PAM_NAMESPACE_TRUE= + COND_BUILD_PAM_NAMESPACE_FALSE='#' +else + COND_BUILD_PAM_NAMESPACE_TRUE='#' + COND_BUILD_PAM_NAMESPACE_FALSE= +fi + + if test "$ac_cv_func_ruserok_af" = yes || test "$ac_cv_func_ruserok" = yes; then + COND_BUILD_PAM_RHOSTS_TRUE= + COND_BUILD_PAM_RHOSTS_FALSE='#' +else + COND_BUILD_PAM_RHOSTS_TRUE='#' + COND_BUILD_PAM_RHOSTS_FALSE= +fi + + if test -n "$LIBSELINUX"; then + COND_BUILD_PAM_SELINUX_TRUE= + COND_BUILD_PAM_SELINUX_FALSE='#' +else + COND_BUILD_PAM_SELINUX_TRUE='#' + COND_BUILD_PAM_SELINUX_FALSE= +fi + + if test -n "$LIBSELINUX"; then + COND_BUILD_PAM_SEPERMIT_TRUE= + COND_BUILD_PAM_SEPERMIT_FALSE='#' +else + COND_BUILD_PAM_SEPERMIT_TRUE='#' + COND_BUILD_PAM_SEPERMIT_FALSE= +fi + + if test "$ac_cv_func_quotactl" = yes; then + COND_BUILD_PAM_SETQUOTA_TRUE= + COND_BUILD_PAM_SETQUOTA_FALSE='#' +else + COND_BUILD_PAM_SETQUOTA_TRUE='#' + COND_BUILD_PAM_SETQUOTA_FALSE= +fi + + if test "$HAVE_AUDIT_TTY_STATUS" = yes; then + COND_BUILD_PAM_TTY_AUDIT_TRUE= + COND_BUILD_PAM_TTY_AUDIT_FALSE='#' +else + COND_BUILD_PAM_TTY_AUDIT_TRUE='#' + COND_BUILD_PAM_TTY_AUDIT_FALSE= +fi + + if test "$enable_unix" = yes; then + COND_BUILD_PAM_UNIX_TRUE= + COND_BUILD_PAM_UNIX_FALSE='#' +else + COND_BUILD_PAM_UNIX_TRUE='#' + COND_BUILD_PAM_UNIX_FALSE= +fi + + if test -n "$LIBDB"; then + COND_BUILD_PAM_USERDB_TRUE= + COND_BUILD_PAM_USERDB_FALSE='#' +else + COND_BUILD_PAM_USERDB_TRUE='#' + COND_BUILD_PAM_USERDB_FALSE= +fi + + +ac_config_files="$ac_config_files Makefile libpam/Makefile libpamc/Makefile libpamc/test/Makefile libpam_misc/Makefile conf/Makefile conf/pam_conv1/Makefile libpam/pam.pc libpam_misc/pam_misc.pc libpamc/pamc.pc po/Makefile.in Make.xml.rules modules/Makefile modules/pam_access/Makefile modules/pam_debug/Makefile modules/pam_deny/Makefile modules/pam_echo/Makefile modules/pam_env/Makefile modules/pam_faildelay/Makefile modules/pam_faillock/Makefile modules/pam_filter/Makefile modules/pam_filter/upperLOWER/Makefile modules/pam_ftp/Makefile modules/pam_group/Makefile modules/pam_issue/Makefile modules/pam_keyinit/Makefile modules/pam_lastlog/Makefile modules/pam_limits/Makefile modules/pam_listfile/Makefile modules/pam_localuser/Makefile modules/pam_loginuid/Makefile modules/pam_mail/Makefile modules/pam_mkhomedir/Makefile modules/pam_motd/Makefile modules/pam_namespace/Makefile modules/pam_namespace/pam_namespace_helper modules/pam_namespace/pam_namespace.service modules/pam_nologin/Makefile modules/pam_permit/Makefile modules/pam_pwhistory/Makefile modules/pam_rhosts/Makefile modules/pam_rootok/Makefile modules/pam_exec/Makefile modules/pam_securetty/Makefile modules/pam_selinux/Makefile modules/pam_sepermit/Makefile modules/pam_setquota/Makefile modules/pam_shells/Makefile modules/pam_stress/Makefile modules/pam_succeed_if/Makefile modules/pam_time/Makefile modules/pam_timestamp/Makefile modules/pam_tty_audit/Makefile modules/pam_umask/Makefile modules/pam_unix/Makefile modules/pam_userdb/Makefile modules/pam_usertype/Makefile modules/pam_warn/Makefile modules/pam_wheel/Makefile modules/pam_xauth/Makefile doc/Makefile doc/specs/Makefile doc/man/Makefile doc/sag/Makefile doc/adg/Makefile doc/mwg/Makefile examples/Makefile tests/Makefile xtests/Makefile" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + if test "x$cache_file" != "x/dev/null"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +$as_echo "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi + else + { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +U= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' + ac_i=`$as_echo "$ac_i" | sed "$ac_script"` + # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR + # will be set to the directory where LIBOBJS objects are built. + as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext" + as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking that generated files are newer than configure" >&5 +$as_echo_n "checking that generated files are newer than configure... " >&6; } + if test -n "$am_sleep_pid"; then + # Hide warnings about reused PIDs. + wait $am_sleep_pid 2>/dev/null + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: done" >&5 +$as_echo "done" >&6; } + if test -n "$EXEEXT"; then + am__EXEEXT_TRUE= + am__EXEEXT_FALSE='#' +else + am__EXEEXT_TRUE='#' + am__EXEEXT_FALSE= +fi + +if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then + as_fn_error $? "conditional \"AMDEP\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then + as_fn_error $? "conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then + as_fn_error $? "conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${HAVE_VERSIONING_TRUE}" && test -z "${HAVE_VERSIONING_FALSE}"; then + as_fn_error $? "conditional \"HAVE_VERSIONING\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${HAVE_DOC_TRUE}" && test -z "${HAVE_DOC_FALSE}"; then + as_fn_error $? "conditional \"HAVE_DOC\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${COND_USE_OPENSSL_TRUE}" && test -z "${COND_USE_OPENSSL_FALSE}"; then + as_fn_error $? "conditional \"COND_USE_OPENSSL\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi + +if test -z "${ENABLE_REGENERATE_MAN_TRUE}" && test -z "${ENABLE_REGENERATE_MAN_FALSE}"; then + as_fn_error $? "conditional \"ENABLE_REGENERATE_MAN\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${ENABLE_GENERATE_PDF_TRUE}" && test -z "${ENABLE_GENERATE_PDF_FALSE}"; then + as_fn_error $? "conditional \"ENABLE_GENERATE_PDF\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${COND_BUILD_PAM_KEYINIT_TRUE}" && test -z "${COND_BUILD_PAM_KEYINIT_FALSE}"; then + as_fn_error $? "conditional \"COND_BUILD_PAM_KEYINIT\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${COND_BUILD_PAM_LASTLOG_TRUE}" && test -z "${COND_BUILD_PAM_LASTLOG_FALSE}"; then + as_fn_error $? "conditional \"COND_BUILD_PAM_LASTLOG\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${COND_BUILD_PAM_NAMESPACE_TRUE}" && test -z "${COND_BUILD_PAM_NAMESPACE_FALSE}"; then + as_fn_error $? "conditional \"COND_BUILD_PAM_NAMESPACE\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${COND_BUILD_PAM_RHOSTS_TRUE}" && test -z "${COND_BUILD_PAM_RHOSTS_FALSE}"; then + as_fn_error $? "conditional \"COND_BUILD_PAM_RHOSTS\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${COND_BUILD_PAM_SELINUX_TRUE}" && test -z "${COND_BUILD_PAM_SELINUX_FALSE}"; then + as_fn_error $? "conditional \"COND_BUILD_PAM_SELINUX\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${COND_BUILD_PAM_SEPERMIT_TRUE}" && test -z "${COND_BUILD_PAM_SEPERMIT_FALSE}"; then + as_fn_error $? "conditional \"COND_BUILD_PAM_SEPERMIT\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${COND_BUILD_PAM_SETQUOTA_TRUE}" && test -z "${COND_BUILD_PAM_SETQUOTA_FALSE}"; then + as_fn_error $? "conditional \"COND_BUILD_PAM_SETQUOTA\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${COND_BUILD_PAM_TTY_AUDIT_TRUE}" && test -z "${COND_BUILD_PAM_TTY_AUDIT_FALSE}"; then + as_fn_error $? "conditional \"COND_BUILD_PAM_TTY_AUDIT\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${COND_BUILD_PAM_UNIX_TRUE}" && test -z "${COND_BUILD_PAM_UNIX_FALSE}"; then + as_fn_error $? "conditional \"COND_BUILD_PAM_UNIX\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${COND_BUILD_PAM_USERDB_TRUE}" && test -z "${COND_BUILD_PAM_USERDB_FALSE}"; then + as_fn_error $? "conditional \"COND_BUILD_PAM_USERDB\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi + +: "${CONFIG_STATUS=./config.status}" +ac_write_fail=0 +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5 +$as_echo "$as_me: creating $CONFIG_STATUS" >&6;} +as_write_fail=0 +cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1 +#! $SHELL +# Generated by $as_me. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false + +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1 +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -pR'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -pR' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -pR' + fi +else + as_ln_s='cp -pR' +fi +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file +rmdir conf$$.dir 2>/dev/null + + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +as_test_x='test -x' +as_executable_p=as_fn_executable_p + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 +## ----------------------------------- ## +## Main body of $CONFIG_STATUS script. ## +## ----------------------------------- ## +_ASEOF +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# Save the log message, to keep $0 and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. +ac_log=" +This file was extended by Linux-PAM $as_me 1.5.2, which was +generated by GNU Autoconf 2.69. Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +on `(hostname || uname -n) 2>/dev/null | sed 1q` +" + +_ACEOF + +case $ac_config_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac + +case $ac_config_headers in *" +"*) set x $ac_config_headers; shift; ac_config_headers=$*;; +esac + + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# Files that config.status was made for. +config_files="$ac_config_files" +config_headers="$ac_config_headers" +config_commands="$ac_config_commands" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +ac_cs_usage="\ +\`$as_me' instantiates files and other configuration actions +from templates according to the current configuration. Unless the files +and actions are specified as TAGs, all are instantiated by default. + +Usage: $0 [OPTION]... [TAG]... + + -h, --help print this help, then exit + -V, --version print version number and configuration settings, then exit + --config print configuration, then exit + -q, --quiet, --silent + do not print progress messages + -d, --debug don't remove temporary files + --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + --header=FILE[:TEMPLATE] + instantiate the configuration header FILE + +Configuration files: +$config_files + +Configuration headers: +$config_headers + +Configuration commands: +$config_commands + +Report bugs to the package provider." + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`" +ac_cs_version="\\ +Linux-PAM config.status 1.5.2 +configured by $0, generated by GNU Autoconf 2.69, + with options \\"\$ac_cs_config\\" + +Copyright (C) Free Software Foundation, Inc. +This config.status script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it." + +ac_pwd='$ac_pwd' +srcdir='$srcdir' +INSTALL='$INSTALL' +MKDIR_P='$MKDIR_P' +AWK='$AWK' +test -n "\$AWK" || AWK=awk +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# The default lists apply if the user does not specify any file. +ac_need_defaults=: +while test $# != 0 +do + case $1 in + --*=?*) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'` + ac_shift=: + ;; + --*=) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg= + ac_shift=: + ;; + *) + ac_option=$1 + ac_optarg=$2 + ac_shift=shift + ;; + esac + + case $ac_option in + # Handling of the options. + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) + ac_cs_recheck=: ;; + --version | --versio | --versi | --vers | --ver | --ve | --v | -V ) + $as_echo "$ac_cs_version"; exit ;; + --config | --confi | --conf | --con | --co | --c ) + $as_echo "$ac_cs_config"; exit ;; + --debug | --debu | --deb | --de | --d | -d ) + debug=: ;; + --file | --fil | --fi | --f ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + '') as_fn_error $? "missing file argument" ;; + esac + as_fn_append CONFIG_FILES " '$ac_optarg'" + ac_need_defaults=false;; + --header | --heade | --head | --hea ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append CONFIG_HEADERS " '$ac_optarg'" + ac_need_defaults=false;; + --he | --h) + # Conflict between --help and --header + as_fn_error $? "ambiguous option: \`$1' +Try \`$0 --help' for more information.";; + --help | --hel | -h ) + $as_echo "$ac_cs_usage"; exit ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil | --si | --s) + ac_cs_silent=: ;; + + # This is an error. + -*) as_fn_error $? "unrecognized option: \`$1' +Try \`$0 --help' for more information." ;; + + *) as_fn_append ac_config_targets " $1" + ac_need_defaults=false ;; + + esac + shift +done + +ac_configure_extra_args= + +if $ac_cs_silent; then + exec 6>/dev/null + ac_configure_extra_args="$ac_configure_extra_args --silent" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +if \$ac_cs_recheck; then + set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion + shift + \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6 + CONFIG_SHELL='$SHELL' + export CONFIG_SHELL + exec "\$@" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +exec 5>>config.log +{ + echo + sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX +## Running $as_me. ## +_ASBOX + $as_echo "$ac_log" +} >&5 + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# +# INIT-COMMANDS +# +AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}" + + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +sed_quote_subst='$sed_quote_subst' +double_quote_subst='$double_quote_subst' +delay_variable_subst='$delay_variable_subst' +macro_version='`$ECHO "$macro_version" | $SED "$delay_single_quote_subst"`' +macro_revision='`$ECHO "$macro_revision" | $SED "$delay_single_quote_subst"`' +enable_static='`$ECHO "$enable_static" | $SED "$delay_single_quote_subst"`' +enable_shared='`$ECHO "$enable_shared" | $SED "$delay_single_quote_subst"`' +pic_mode='`$ECHO "$pic_mode" | $SED "$delay_single_quote_subst"`' +enable_fast_install='`$ECHO "$enable_fast_install" | $SED "$delay_single_quote_subst"`' +shared_archive_member_spec='`$ECHO "$shared_archive_member_spec" | $SED "$delay_single_quote_subst"`' +SHELL='`$ECHO "$SHELL" | $SED "$delay_single_quote_subst"`' +ECHO='`$ECHO "$ECHO" | $SED "$delay_single_quote_subst"`' +PATH_SEPARATOR='`$ECHO "$PATH_SEPARATOR" | $SED "$delay_single_quote_subst"`' 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"$delay_single_quote_subst"`' +NMEDIT='`$ECHO "$NMEDIT" | $SED "$delay_single_quote_subst"`' +LIPO='`$ECHO "$LIPO" | $SED "$delay_single_quote_subst"`' +OTOOL='`$ECHO "$OTOOL" | $SED "$delay_single_quote_subst"`' +OTOOL64='`$ECHO "$OTOOL64" | $SED "$delay_single_quote_subst"`' +libext='`$ECHO "$libext" | $SED "$delay_single_quote_subst"`' +shrext_cmds='`$ECHO "$shrext_cmds" | $SED "$delay_single_quote_subst"`' +extract_expsyms_cmds='`$ECHO "$extract_expsyms_cmds" | $SED "$delay_single_quote_subst"`' +archive_cmds_need_lc='`$ECHO "$archive_cmds_need_lc" | $SED "$delay_single_quote_subst"`' +enable_shared_with_static_runtimes='`$ECHO "$enable_shared_with_static_runtimes" | $SED "$delay_single_quote_subst"`' +export_dynamic_flag_spec='`$ECHO "$export_dynamic_flag_spec" | $SED "$delay_single_quote_subst"`' +whole_archive_flag_spec='`$ECHO "$whole_archive_flag_spec" | $SED "$delay_single_quote_subst"`' +compiler_needs_object='`$ECHO "$compiler_needs_object" | $SED "$delay_single_quote_subst"`' +old_archive_from_new_cmds='`$ECHO "$old_archive_from_new_cmds" | $SED "$delay_single_quote_subst"`' +old_archive_from_expsyms_cmds='`$ECHO "$old_archive_from_expsyms_cmds" | $SED "$delay_single_quote_subst"`' +archive_cmds='`$ECHO "$archive_cmds" | $SED "$delay_single_quote_subst"`' +archive_expsym_cmds='`$ECHO "$archive_expsym_cmds" | $SED "$delay_single_quote_subst"`' +module_cmds='`$ECHO "$module_cmds" | $SED "$delay_single_quote_subst"`' +module_expsym_cmds='`$ECHO "$module_expsym_cmds" | $SED "$delay_single_quote_subst"`' +with_gnu_ld='`$ECHO "$with_gnu_ld" | $SED "$delay_single_quote_subst"`' +allow_undefined_flag='`$ECHO "$allow_undefined_flag" | $SED "$delay_single_quote_subst"`' +no_undefined_flag='`$ECHO "$no_undefined_flag" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_flag_spec='`$ECHO "$hardcode_libdir_flag_spec" | $SED "$delay_single_quote_subst"`' +hardcode_libdir_separator='`$ECHO "$hardcode_libdir_separator" | $SED "$delay_single_quote_subst"`' +hardcode_direct='`$ECHO "$hardcode_direct" | $SED "$delay_single_quote_subst"`' +hardcode_direct_absolute='`$ECHO "$hardcode_direct_absolute" | $SED "$delay_single_quote_subst"`' +hardcode_minus_L='`$ECHO "$hardcode_minus_L" | $SED "$delay_single_quote_subst"`' +hardcode_shlibpath_var='`$ECHO "$hardcode_shlibpath_var" | $SED "$delay_single_quote_subst"`' +hardcode_automatic='`$ECHO "$hardcode_automatic" | $SED "$delay_single_quote_subst"`' +inherit_rpath='`$ECHO "$inherit_rpath" | $SED "$delay_single_quote_subst"`' +link_all_deplibs='`$ECHO "$link_all_deplibs" | $SED "$delay_single_quote_subst"`' +always_export_symbols='`$ECHO "$always_export_symbols" | $SED "$delay_single_quote_subst"`' +export_symbols_cmds='`$ECHO "$export_symbols_cmds" | $SED "$delay_single_quote_subst"`' +exclude_expsyms='`$ECHO "$exclude_expsyms" | $SED "$delay_single_quote_subst"`' +include_expsyms='`$ECHO "$include_expsyms" | $SED "$delay_single_quote_subst"`' +prelink_cmds='`$ECHO "$prelink_cmds" | $SED "$delay_single_quote_subst"`' +postlink_cmds='`$ECHO "$postlink_cmds" | $SED "$delay_single_quote_subst"`' +file_list_spec='`$ECHO "$file_list_spec" | $SED "$delay_single_quote_subst"`' +variables_saved_for_relink='`$ECHO "$variables_saved_for_relink" | $SED "$delay_single_quote_subst"`' +need_lib_prefix='`$ECHO "$need_lib_prefix" | $SED "$delay_single_quote_subst"`' +need_version='`$ECHO "$need_version" | $SED "$delay_single_quote_subst"`' +version_type='`$ECHO "$version_type" | $SED "$delay_single_quote_subst"`' +runpath_var='`$ECHO "$runpath_var" | $SED "$delay_single_quote_subst"`' +shlibpath_var='`$ECHO "$shlibpath_var" | $SED "$delay_single_quote_subst"`' +shlibpath_overrides_runpath='`$ECHO "$shlibpath_overrides_runpath" | $SED "$delay_single_quote_subst"`' +libname_spec='`$ECHO "$libname_spec" | $SED "$delay_single_quote_subst"`' +library_names_spec='`$ECHO "$library_names_spec" | $SED "$delay_single_quote_subst"`' +soname_spec='`$ECHO "$soname_spec" | $SED "$delay_single_quote_subst"`' +install_override_mode='`$ECHO "$install_override_mode" | $SED "$delay_single_quote_subst"`' +postinstall_cmds='`$ECHO "$postinstall_cmds" | $SED "$delay_single_quote_subst"`' +postuninstall_cmds='`$ECHO "$postuninstall_cmds" | $SED "$delay_single_quote_subst"`' +finish_cmds='`$ECHO "$finish_cmds" | $SED "$delay_single_quote_subst"`' +finish_eval='`$ECHO "$finish_eval" | $SED "$delay_single_quote_subst"`' +hardcode_into_libs='`$ECHO "$hardcode_into_libs" | $SED "$delay_single_quote_subst"`' +sys_lib_search_path_spec='`$ECHO "$sys_lib_search_path_spec" | $SED "$delay_single_quote_subst"`' +configure_time_dlsearch_path='`$ECHO "$configure_time_dlsearch_path" | $SED "$delay_single_quote_subst"`' +configure_time_lt_sys_library_path='`$ECHO "$configure_time_lt_sys_library_path" | $SED "$delay_single_quote_subst"`' +hardcode_action='`$ECHO "$hardcode_action" | $SED "$delay_single_quote_subst"`' +enable_dlopen='`$ECHO "$enable_dlopen" | $SED "$delay_single_quote_subst"`' +enable_dlopen_self='`$ECHO "$enable_dlopen_self" | $SED "$delay_single_quote_subst"`' +enable_dlopen_self_static='`$ECHO "$enable_dlopen_self_static" | $SED "$delay_single_quote_subst"`' +old_striplib='`$ECHO "$old_striplib" | $SED "$delay_single_quote_subst"`' +striplib='`$ECHO "$striplib" | $SED "$delay_single_quote_subst"`' + +LTCC='$LTCC' +LTCFLAGS='$LTCFLAGS' +compiler='$compiler_DEFAULT' + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$1 +_LTECHO_EOF' +} + +# Quote evaled strings. +for var in SHELL \ +ECHO \ +PATH_SEPARATOR \ +SED \ +GREP \ +EGREP \ +FGREP \ +LD \ +NM \ +LN_S \ +lt_SP2NL \ +lt_NL2SP \ +reload_flag \ +OBJDUMP \ +deplibs_check_method \ +file_magic_cmd \ +file_magic_glob \ +want_nocaseglob \ +DLLTOOL \ +sharedlib_from_linklib_cmd \ +AR \ +archiver_list_spec \ +STRIP \ +RANLIB \ +CC \ +CFLAGS \ +compiler \ +lt_cv_sys_global_symbol_pipe \ +lt_cv_sys_global_symbol_to_cdecl \ +lt_cv_sys_global_symbol_to_import \ +lt_cv_sys_global_symbol_to_c_name_address \ +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix \ +lt_cv_nm_interface \ +nm_file_list_spec \ +lt_cv_truncate_bin \ +lt_prog_compiler_no_builtin_flag \ +lt_prog_compiler_pic \ +lt_prog_compiler_wl \ +lt_prog_compiler_static \ +lt_cv_prog_compiler_c_o \ +need_locks \ +MANIFEST_TOOL \ +DSYMUTIL \ +NMEDIT \ +LIPO \ +OTOOL \ +OTOOL64 \ +shrext_cmds \ +export_dynamic_flag_spec \ +whole_archive_flag_spec \ +compiler_needs_object \ +with_gnu_ld \ +allow_undefined_flag \ +no_undefined_flag \ +hardcode_libdir_flag_spec \ +hardcode_libdir_separator \ +exclude_expsyms \ +include_expsyms \ +file_list_spec \ +variables_saved_for_relink \ +libname_spec \ +library_names_spec \ +soname_spec \ +install_override_mode \ +finish_eval \ +old_striplib \ +striplib; do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[\\\\\\\`\\"\\\$]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +# Double-quote double-evaled strings. +for var in reload_cmds \ +old_postinstall_cmds \ +old_postuninstall_cmds \ +old_archive_cmds \ +extract_expsyms_cmds \ +old_archive_from_new_cmds \ +old_archive_from_expsyms_cmds \ +archive_cmds \ +archive_expsym_cmds \ +module_cmds \ +module_expsym_cmds \ +export_symbols_cmds \ +prelink_cmds \ +postlink_cmds \ +postinstall_cmds \ +postuninstall_cmds \ +finish_cmds \ +sys_lib_search_path_spec \ +configure_time_dlsearch_path \ +configure_time_lt_sys_library_path; do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[\\\\\\\`\\"\\\$]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +ac_aux_dir='$ac_aux_dir' + +# See if we are running on zsh, and set the options that allow our +# commands through without removal of \ escapes INIT. +if test -n "\${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST +fi + + + PACKAGE='$PACKAGE' + VERSION='$VERSION' + RM='$RM' + ofile='$ofile' + + + +# Capture the value of obsolete ALL_LINGUAS because we need it to compute + # POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES, CATALOGS. But hide it + # from automake < 1.5. + eval 'OBSOLETE_ALL_LINGUAS''="$ALL_LINGUAS"' + # Capture the value of LINGUAS because we need it to compute CATALOGS. + LINGUAS="${LINGUAS-%UNSET%}" + + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + +# Handling of arguments. +for ac_config_target in $ac_config_targets +do + case $ac_config_target in + "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;; + "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;; + "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;; + "po-directories") CONFIG_COMMANDS="$CONFIG_COMMANDS po-directories" ;; + "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; + "libpam/Makefile") CONFIG_FILES="$CONFIG_FILES libpam/Makefile" ;; + "libpamc/Makefile") CONFIG_FILES="$CONFIG_FILES libpamc/Makefile" ;; + "libpamc/test/Makefile") CONFIG_FILES="$CONFIG_FILES libpamc/test/Makefile" ;; + "libpam_misc/Makefile") CONFIG_FILES="$CONFIG_FILES libpam_misc/Makefile" ;; + "conf/Makefile") CONFIG_FILES="$CONFIG_FILES conf/Makefile" ;; + "conf/pam_conv1/Makefile") CONFIG_FILES="$CONFIG_FILES conf/pam_conv1/Makefile" ;; + "libpam/pam.pc") CONFIG_FILES="$CONFIG_FILES libpam/pam.pc" ;; + "libpam_misc/pam_misc.pc") CONFIG_FILES="$CONFIG_FILES libpam_misc/pam_misc.pc" ;; + "libpamc/pamc.pc") CONFIG_FILES="$CONFIG_FILES libpamc/pamc.pc" ;; + "po/Makefile.in") CONFIG_FILES="$CONFIG_FILES po/Makefile.in" ;; + "Make.xml.rules") CONFIG_FILES="$CONFIG_FILES Make.xml.rules" ;; + "modules/Makefile") CONFIG_FILES="$CONFIG_FILES modules/Makefile" ;; + "modules/pam_access/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_access/Makefile" ;; + "modules/pam_debug/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_debug/Makefile" ;; + "modules/pam_deny/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_deny/Makefile" ;; + "modules/pam_echo/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_echo/Makefile" ;; + "modules/pam_env/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_env/Makefile" ;; + "modules/pam_faildelay/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_faildelay/Makefile" ;; + "modules/pam_faillock/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_faillock/Makefile" ;; + "modules/pam_filter/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_filter/Makefile" ;; + "modules/pam_filter/upperLOWER/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_filter/upperLOWER/Makefile" ;; + "modules/pam_ftp/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_ftp/Makefile" ;; + "modules/pam_group/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_group/Makefile" ;; + "modules/pam_issue/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_issue/Makefile" ;; + "modules/pam_keyinit/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_keyinit/Makefile" ;; + "modules/pam_lastlog/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_lastlog/Makefile" ;; + "modules/pam_limits/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_limits/Makefile" ;; + "modules/pam_listfile/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_listfile/Makefile" ;; + "modules/pam_localuser/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_localuser/Makefile" ;; + "modules/pam_loginuid/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_loginuid/Makefile" ;; + "modules/pam_mail/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_mail/Makefile" ;; + "modules/pam_mkhomedir/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_mkhomedir/Makefile" ;; + "modules/pam_motd/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_motd/Makefile" ;; + "modules/pam_namespace/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_namespace/Makefile" ;; + "modules/pam_namespace/pam_namespace_helper") CONFIG_FILES="$CONFIG_FILES modules/pam_namespace/pam_namespace_helper" ;; + "modules/pam_namespace/pam_namespace.service") CONFIG_FILES="$CONFIG_FILES modules/pam_namespace/pam_namespace.service" ;; + "modules/pam_nologin/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_nologin/Makefile" ;; + "modules/pam_permit/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_permit/Makefile" ;; + "modules/pam_pwhistory/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_pwhistory/Makefile" ;; + "modules/pam_rhosts/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_rhosts/Makefile" ;; + "modules/pam_rootok/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_rootok/Makefile" ;; + "modules/pam_exec/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_exec/Makefile" ;; + "modules/pam_securetty/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_securetty/Makefile" ;; + "modules/pam_selinux/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_selinux/Makefile" ;; + "modules/pam_sepermit/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_sepermit/Makefile" ;; + "modules/pam_setquota/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_setquota/Makefile" ;; + "modules/pam_shells/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_shells/Makefile" ;; + "modules/pam_stress/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_stress/Makefile" ;; + "modules/pam_succeed_if/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_succeed_if/Makefile" ;; + "modules/pam_time/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_time/Makefile" ;; + "modules/pam_timestamp/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_timestamp/Makefile" ;; + "modules/pam_tty_audit/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_tty_audit/Makefile" ;; + "modules/pam_umask/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_umask/Makefile" ;; + "modules/pam_unix/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_unix/Makefile" ;; + "modules/pam_userdb/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_userdb/Makefile" ;; + "modules/pam_usertype/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_usertype/Makefile" ;; + "modules/pam_warn/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_warn/Makefile" ;; + "modules/pam_wheel/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_wheel/Makefile" ;; + "modules/pam_xauth/Makefile") CONFIG_FILES="$CONFIG_FILES modules/pam_xauth/Makefile" ;; + "doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;; + "doc/specs/Makefile") CONFIG_FILES="$CONFIG_FILES doc/specs/Makefile" ;; + "doc/man/Makefile") CONFIG_FILES="$CONFIG_FILES doc/man/Makefile" ;; + "doc/sag/Makefile") CONFIG_FILES="$CONFIG_FILES doc/sag/Makefile" ;; + "doc/adg/Makefile") CONFIG_FILES="$CONFIG_FILES doc/adg/Makefile" ;; + "doc/mwg/Makefile") CONFIG_FILES="$CONFIG_FILES doc/mwg/Makefile" ;; + "examples/Makefile") CONFIG_FILES="$CONFIG_FILES examples/Makefile" ;; + "tests/Makefile") CONFIG_FILES="$CONFIG_FILES tests/Makefile" ;; + "xtests/Makefile") CONFIG_FILES="$CONFIG_FILES xtests/Makefile" ;; + + *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;; + esac +done + + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files + test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers + test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= ac_tmp= + trap 'exit_status=$? + : "${ac_tmp:=$tmp}" + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX")` && + test -n "$tmp" && test -d "$tmp" +} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5 +ac_tmp=$tmp + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' /dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$ac_tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 +ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done +rm -f conf$$subs.sh + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK && +_ACEOF +sed -n ' +h +s/^/S["/; s/!.*/"]=/ +p +g +s/^[^!]*!// +:repl +t repl +s/'"$ac_delim"'$// +t delim +:nl +h +s/\(.\{148\}\)..*/\1/ +t more1 +s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/ +p +n +b repl +:more1 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t nl +:delim +h +s/\(.\{148\}\)..*/\1/ +t more2 +s/["\\]/\\&/g; s/^/"/; s/$/"/ +p +b +:more2 +s/["\\]/\\&/g; s/^/"/; s/$/"\\/ +p +g +s/.\{148\}// +t delim +' >$CONFIG_STATUS || ac_write_fail=1 +rm -f conf$$subs.awk +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +_ACAWK +cat >>"\$ac_tmp/subs1.awk" <<_ACAWK && + for (key in S) S_is_set[key] = 1 + FS = "" + +} +{ + line = $ 0 + nfields = split(line, field, "@") + substed = 0 + len = length(field[1]) + for (i = 2; i < nfields; i++) { + key = field[i] + keylen = length(key) + if (S_is_set[key]) { + value = S[key] + line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3) + len += length(value) + length(field[++i]) + substed = 1 + } else + len += 1 + keylen + } + + print line +} + +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then + sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g" +else + cat +fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \ + || as_fn_error $? "could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$ac_tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_tt=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_tt"; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. 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+need_locks=$lt_need_locks + +# Manifest tool. +MANIFEST_TOOL=$lt_MANIFEST_TOOL + +# Tool to manipulate archived DWARF debug symbol files on Mac OS X. +DSYMUTIL=$lt_DSYMUTIL + +# Tool to change global to local symbols on Mac OS X. +NMEDIT=$lt_NMEDIT + +# Tool to manipulate fat objects and archives on Mac OS X. +LIPO=$lt_LIPO + +# ldd/readelf like tool for Mach-O binaries on Mac OS X. +OTOOL=$lt_OTOOL + +# ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4. +OTOOL64=$lt_OTOOL64 + +# Old archive suffix (normally "a"). +libext=$libext + +# Shared library suffix (normally ".so"). +shrext_cmds=$lt_shrext_cmds + +# The commands to extract the exported symbol list from a shared archive. +extract_expsyms_cmds=$lt_extract_expsyms_cmds + +# Variables whose values should be saved in libtool wrapper scripts and +# restored at link time. +variables_saved_for_relink=$lt_variables_saved_for_relink + +# Do we need the "lib" prefix for modules? +need_lib_prefix=$need_lib_prefix + +# Do we need a version for libraries? +need_version=$need_version + +# Library versioning type. +version_type=$version_type + +# Shared library runtime path variable. +runpath_var=$runpath_var + +# Shared library path variable. +shlibpath_var=$shlibpath_var + +# Is shlibpath searched before the hard-coded library search path? +shlibpath_overrides_runpath=$shlibpath_overrides_runpath + +# Format of library name prefix. +libname_spec=$lt_libname_spec + +# List of archive names. First name is the real one, the rest are links. +# The last name is the one that the linker finds with -lNAME +library_names_spec=$lt_library_names_spec + +# The coded name of the library, if different from the real name. +soname_spec=$lt_soname_spec + +# Permission mode override for installation of shared libraries. +install_override_mode=$lt_install_override_mode + +# Command to use after installation of a shared archive. +postinstall_cmds=$lt_postinstall_cmds + +# Command to use after uninstallation of a shared archive. +postuninstall_cmds=$lt_postuninstall_cmds + +# Commands used to finish a libtool library installation in a directory. +finish_cmds=$lt_finish_cmds + +# As "finish_cmds", except a single script fragment to be evaled but +# not shown. +finish_eval=$lt_finish_eval + +# Whether we should hardcode library paths into libraries. +hardcode_into_libs=$hardcode_into_libs + +# Compile-time system search path for libraries. +sys_lib_search_path_spec=$lt_sys_lib_search_path_spec + +# Detected run-time system search path for libraries. +sys_lib_dlsearch_path_spec=$lt_configure_time_dlsearch_path + +# Explicit LT_SYS_LIBRARY_PATH set during ./configure time. +configure_time_lt_sys_library_path=$lt_configure_time_lt_sys_library_path + +# Whether dlopen is supported. +dlopen_support=$enable_dlopen + +# Whether dlopen of programs is supported. +dlopen_self=$enable_dlopen_self + +# Whether dlopen of statically linked programs is supported. +dlopen_self_static=$enable_dlopen_self_static + +# Commands to strip libraries. +old_striplib=$lt_old_striplib +striplib=$lt_striplib + + +# The linker used to build libraries. +LD=$lt_LD + +# How to create reloadable object files. +reload_flag=$lt_reload_flag +reload_cmds=$lt_reload_cmds + +# Commands used to build an old-style archive. +old_archive_cmds=$lt_old_archive_cmds + +# A language specific compiler. +CC=$lt_compiler + +# Is the compiler the GNU compiler? +with_gcc=$GCC + +# Compiler flag to turn off builtin functions. +no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag + +# Additional compiler flags for building library objects. +pic_flag=$lt_lt_prog_compiler_pic + +# How to pass a linker flag through the compiler. +wl=$lt_lt_prog_compiler_wl + +# Compiler flag to prevent dynamic linking. +link_static_flag=$lt_lt_prog_compiler_static + +# Does compiler simultaneously support -c and -o options? +compiler_c_o=$lt_lt_cv_prog_compiler_c_o + +# Whether or not to add -lc for building shared libraries. +build_libtool_need_lc=$archive_cmds_need_lc + +# Whether or not to disallow shared libs when runtime libs are static. +allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes + +# Compiler flag to allow reflexive dlopens. +export_dynamic_flag_spec=$lt_export_dynamic_flag_spec + +# Compiler flag to generate shared objects directly from archives. +whole_archive_flag_spec=$lt_whole_archive_flag_spec + +# Whether the compiler copes with passing no objects directly. +compiler_needs_object=$lt_compiler_needs_object + +# Create an old-style archive from a shared archive. +old_archive_from_new_cmds=$lt_old_archive_from_new_cmds + +# Create a temporary old-style archive to link instead of a shared archive. +old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds + +# Commands used to build a shared archive. +archive_cmds=$lt_archive_cmds +archive_expsym_cmds=$lt_archive_expsym_cmds + +# Commands used to build a loadable module if different from building +# a shared archive. +module_cmds=$lt_module_cmds +module_expsym_cmds=$lt_module_expsym_cmds + +# Whether we are building with GNU ld or not. +with_gnu_ld=$lt_with_gnu_ld + +# Flag that allows shared libraries with undefined symbols to be built. +allow_undefined_flag=$lt_allow_undefined_flag + +# Flag that enforces no undefined symbols. +no_undefined_flag=$lt_no_undefined_flag + +# Flag to hardcode \$libdir into a binary during linking. +# This must work even if \$libdir does not exist +hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec + +# Whether we need a single "-rpath" flag with a separated argument. +hardcode_libdir_separator=$lt_hardcode_libdir_separator + +# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes +# DIR into the resulting binary. +hardcode_direct=$hardcode_direct + +# Set to "yes" if using DIR/libNAME\$shared_ext during linking hardcodes +# DIR into the resulting binary and the resulting library dependency is +# "absolute",i.e impossible to change by setting \$shlibpath_var if the +# library is relocated. +hardcode_direct_absolute=$hardcode_direct_absolute + +# Set to "yes" if using the -LDIR flag during linking hardcodes DIR +# into the resulting binary. +hardcode_minus_L=$hardcode_minus_L + +# Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR +# into the resulting binary. +hardcode_shlibpath_var=$hardcode_shlibpath_var + +# Set to "yes" if building a shared library automatically hardcodes DIR +# into the library and all subsequent libraries and executables linked +# against it. +hardcode_automatic=$hardcode_automatic + +# Set to yes if linker adds runtime paths of dependent libraries +# to runtime path list. +inherit_rpath=$inherit_rpath + +# Whether libtool must link a program against all its dependency libraries. +link_all_deplibs=$link_all_deplibs + +# Set to "yes" if exported symbols are required. +always_export_symbols=$always_export_symbols + +# The commands to list exported symbols. +export_symbols_cmds=$lt_export_symbols_cmds + +# Symbols that should not be listed in the preloaded symbols. +exclude_expsyms=$lt_exclude_expsyms + +# Symbols that must always be exported. +include_expsyms=$lt_include_expsyms + +# Commands necessary for linking programs (against libraries) with templates. +prelink_cmds=$lt_prelink_cmds + +# Commands necessary for finishing linking programs. +postlink_cmds=$lt_postlink_cmds + +# Specify filename containing input files. +file_list_spec=$lt_file_list_spec + +# How to hardcode a shared library path into an executable. +hardcode_action=$hardcode_action + +# ### END LIBTOOL CONFIG + +_LT_EOF + + cat <<'_LT_EOF' >> "$cfgfile" + +# ### BEGIN FUNCTIONS SHARED WITH CONFIGURE + +# func_munge_path_list VARIABLE PATH +# ----------------------------------- +# VARIABLE is name of variable containing _space_ separated list of +# directories to be munged by the contents of PATH, which is string +# having a format: +# "DIR[:DIR]:" +# string "DIR[ DIR]" will be prepended to VARIABLE +# ":DIR[:DIR]" +# string "DIR[ DIR]" will be appended to VARIABLE +# "DIRP[:DIRP]::[DIRA:]DIRA" +# string "DIRP[ DIRP]" will be prepended to VARIABLE and string +# "DIRA[ DIRA]" will be appended to VARIABLE +# "DIR[:DIR]" +# VARIABLE will be replaced by "DIR[ DIR]" +func_munge_path_list () +{ + case x$2 in + x) + ;; + *:) + eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\" + ;; + x:*) + eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\" + ;; + *::*) + eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\" + eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\" + ;; + *) + eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\" + ;; + esac +} + + +# Calculate cc_basename. Skip known compiler wrappers and cross-prefix. +func_cc_basename () +{ + for cc_temp in $*""; do + case $cc_temp in + compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; + distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; + \-*) ;; + *) break;; + esac + done + func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` +} + + +# ### END FUNCTIONS SHARED WITH CONFIGURE + +_LT_EOF + + case $host_os in + aix3*) + cat <<\_LT_EOF >> "$cfgfile" +# AIX sometimes has problems with the GCC collect2 program. For some +# reason, if we set the COLLECT_NAMES environment variable, the problems +# vanish in a puff of smoke. +if test set != "${COLLECT_NAMES+set}"; then + COLLECT_NAMES= + export COLLECT_NAMES +fi +_LT_EOF + ;; + esac + + +ltmain=$ac_aux_dir/ltmain.sh + + + # We use sed instead of cat because bash on DJGPP gets confused if + # if finds mixed CR/LF and LF-only lines. Since sed operates in + # text mode, it properly converts lines to CR/LF. This bash problem + # is reportedly fixed, but why not run on old versions too? + sed '$q' "$ltmain" >> "$cfgfile" \ + || (rm -f "$cfgfile"; exit 1) + + mv -f "$cfgfile" "$ofile" || + (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile") + chmod +x "$ofile" + + ;; + "po-directories":C) + for ac_file in $CONFIG_FILES; do + # Support "outfile[:infile[:infile...]]" + case "$ac_file" in + *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;; + esac + # PO directories have a Makefile.in generated from Makefile.in.in. + case "$ac_file" in */Makefile.in) + # Adjust a relative srcdir. + ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'` + ac_dir_suffix=/`echo "$ac_dir"|sed 's%^\./%%'` + ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'` + # In autoconf-2.13 it is called $ac_given_srcdir. + # In autoconf-2.50 it is called $srcdir. + test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir" + case "$ac_given_srcdir" in + .) top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;; + /*) top_srcdir="$ac_given_srcdir" ;; + *) top_srcdir="$ac_dots$ac_given_srcdir" ;; + esac + # Treat a directory as a PO directory if and only if it has a + # POTFILES.in file. This allows packages to have multiple PO + # directories under different names or in different locations. + if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then + rm -f "$ac_dir/POTFILES" + test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES" + gt_tab=`printf '\t'` + cat "$ac_given_srcdir/$ac_dir/POTFILES.in" | sed -e "/^#/d" -e "/^[ ${gt_tab}]*\$/d" -e "s,.*, $top_srcdir/& \\\\," | sed -e "\$s/\(.*\) \\\\/\1/" > "$ac_dir/POTFILES" + POMAKEFILEDEPS="POTFILES.in" + # ALL_LINGUAS, POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES depend + # on $ac_dir but don't depend on user-specified configuration + # parameters. + if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then + # The LINGUAS file contains the set of available languages. + if test -n "$OBSOLETE_ALL_LINGUAS"; then + test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete" + fi + ALL_LINGUAS_=`sed -e "/^#/d" -e "s/#.*//" "$ac_given_srcdir/$ac_dir/LINGUAS"` + # Hide the ALL_LINGUAS assignment from automake < 1.5. + eval 'ALL_LINGUAS''=$ALL_LINGUAS_' + POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS" + else + # The set of available languages was given in configure.in. + # Hide the ALL_LINGUAS assignment from automake < 1.5. + eval 'ALL_LINGUAS''=$OBSOLETE_ALL_LINGUAS' + fi + # Compute POFILES + # as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).po) + # Compute UPDATEPOFILES + # as $(foreach lang, $(ALL_LINGUAS), $(lang).po-update) + # Compute DUMMYPOFILES + # as $(foreach lang, $(ALL_LINGUAS), $(lang).nop) + # Compute GMOFILES + # as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).gmo) + case "$ac_given_srcdir" in + .) srcdirpre= ;; + *) srcdirpre='$(srcdir)/' ;; + esac + POFILES= + UPDATEPOFILES= + DUMMYPOFILES= + GMOFILES= + for lang in $ALL_LINGUAS; do + POFILES="$POFILES $srcdirpre$lang.po" + UPDATEPOFILES="$UPDATEPOFILES $lang.po-update" + DUMMYPOFILES="$DUMMYPOFILES $lang.nop" + GMOFILES="$GMOFILES $srcdirpre$lang.gmo" + done + # CATALOGS depends on both $ac_dir and the user's LINGUAS + # environment variable. + INST_LINGUAS= + if test -n "$ALL_LINGUAS"; then + for presentlang in $ALL_LINGUAS; do + useit=no + if test "%UNSET%" != "$LINGUAS"; then + desiredlanguages="$LINGUAS" + else + desiredlanguages="$ALL_LINGUAS" + fi + for desiredlang in $desiredlanguages; do + # Use the presentlang catalog if desiredlang is + # a. equal to presentlang, or + # b. a variant of presentlang (because in this case, + # presentlang can be used as a fallback for messages + # which are not translated in the desiredlang catalog). + case "$desiredlang" in + "$presentlang"*) useit=yes;; + esac + done + if test $useit = yes; then + INST_LINGUAS="$INST_LINGUAS $presentlang" + fi + done + fi + CATALOGS= + if test -n "$INST_LINGUAS"; then + for lang in $INST_LINGUAS; do + CATALOGS="$CATALOGS $lang.gmo" + done + fi + test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile" + sed -e "/^POTFILES =/r $ac_dir/POTFILES" -e "/^# Makevars/r $ac_given_srcdir/$ac_dir/Makevars" -e "s|@POFILES@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@POMAKEFILEDEPS@|$POMAKEFILEDEPS|g" "$ac_dir/Makefile.in" > "$ac_dir/Makefile" + for f in "$ac_given_srcdir/$ac_dir"/Rules-*; do + if test -f "$f"; then + case "$f" in + *.orig | *.bak | *~) ;; + *) cat "$f" >> "$ac_dir/Makefile" ;; + esac + fi + done + fi + ;; + esac + done ;; + + esac +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..c06bc7d --- /dev/null +++ b/configure.ac @@ -0,0 +1,714 @@ +dnl Process this file with autoconf to produce a configure script. +AC_INIT([Linux-PAM], [1.5.2], , [Linux-PAM]) +AC_CONFIG_SRCDIR([conf/pam_conv1/pam_conv_y.y]) +AC_CONFIG_AUX_DIR([build-aux]) +AM_INIT_AUTOMAKE([-Wall -Wno-portability]) +AC_PREREQ([2.61]) +AC_CONFIG_HEADERS([config.h]) +AC_CONFIG_MACRO_DIR([m4]) +AC_CANONICAL_HOST + +AC_SUBST(PACKAGE) +AC_SUBST(VERSION) + +dnl +dnl By default, everything under PAM is installed below /usr. +dnl +AC_PREFIX_DEFAULT(/usr) + +dnl and some hacks to use /etc and /lib +test "${prefix}" = "NONE" && prefix="/usr" +if test ${prefix} = '/usr' +then +dnl If we use /usr as prefix, use /etc for config files + if test ${sysconfdir} = '${prefix}/etc' + then + sysconfdir="/etc" + fi + if test ${libdir} = '${exec_prefix}/lib' + then + case "$host_cpu" in + x86_64|ppc64|s390x|sparc64) + libdir="/lib64" ;; + *) + libdir="/lib" ;; + esac + fi + if test ${sbindir} = '${exec_prefix}/sbin' + then + sbindir="/sbin" + fi +dnl If we use /usr as prefix, use /usr/share/man for manual pages + if test ${mandir} = '${prefix}/man' + then + mandir='${prefix}/share/man' + fi +dnl Add security to include directory + if test ${includedir} = '${prefix}/include' + then + includedir="${prefix}/include/security" + fi + +dnl Add /var directory + if test ${localstatedir} = '${prefix}/var' + then + localstatedir="/var" + fi + +fi + +dnl This should be called before any macros that run the C compiler. +AC_USE_SYSTEM_EXTENSIONS + +LT_INIT([disable-static]) +AC_ENABLE_STATIC([no]) +AC_ENABLE_SHARED([yes]) + +dnl Checks for programs. +AC_PROG_CC +AC_PROG_YACC +AM_PROG_LEX +AC_PROG_INSTALL +AC_PROG_LN_S +AC_PROG_MAKE_SET +AM_PROG_CC_C_O +PAM_LD_AS_NEEDED +PAM_LD_NO_UNDEFINED +PAM_LD_O1 +PAM_LD_Z_NOW + +dnl Largefile support +AC_SYS_LARGEFILE + +pam_WARN_LANG_FLAGS + +if test "x${CC_FOR_BUILD+set}" != "xset" ; then + if test "x$cross_compiling" = "xyes" ; then + AC_CHECK_PROGS(CC_FOR_BUILD, gcc cc) + else + CC_FOR_BUILD=${CC} + fi +fi +AC_MSG_CHECKING([for CC_FOR_BUILD]) +AC_MSG_RESULT([$CC_FOR_BUILD]) +AC_SUBST(CC_FOR_BUILD) + +if test "x${BUILD_CPPFLAGS+set}" != "xset" ; then + if test "x$cross_compiling" = "xyes" ; then + BUILD_CPPFLAGS= + else + BUILD_CPPFLAGS=${CPPFLAGS} + fi +fi +AC_SUBST(BUILD_CPPFLAGS) + +if test "x${BUILD_CFLAGS+set}" != "xset" ; then + if test "x$cross_compiling" = "xyes" ; then + BUILD_CFLAGS= + else + BUILD_CFLAGS=${CFLAGS} + fi +fi +AC_SUBST(BUILD_CFLAGS) + +if test "x${BUILD_LDFLAGS+set}" != "xset" ; then + if test "x$cross_compiling" = "xyes" ; then + BUILD_LDFLAGS= + else + BUILD_LDFLAGS=${LDFLAGS} + fi +fi +AC_SUBST(BUILD_LDFLAGS) + +PAM_ATTRIBUTE_UNUSED + +dnl +dnl Check if --version-script is supported by ld +dnl +AC_CACHE_CHECK(for .symver assembler directive, libc_cv_asm_symver_directive, +[cat > conftest.s <&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then + libc_cv_asm_symver_directive=yes +else + libc_cv_asm_symver_directive=no +fi +rm -f conftest*]) +AC_CACHE_CHECK(for ld --version-script, libc_cv_ld_version_script_option, [dnl +if test $libc_cv_asm_symver_directive = yes; then + cat > conftest.s < conftest.map <&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; +then + if AC_TRY_COMMAND([${CC-cc} $CFLAGS $LDFLAGS -shared + -o conftest.so conftest.o + -nostartfiles -nostdlib + -Wl,--version-script,conftest.map + 1>&AS_MESSAGE_LOG_FD]); + then + libc_cv_ld_version_script_option=yes + else + libc_cv_ld_version_script_option=no + fi + else + libc_cv_ld_version_script_option=no + fi +else + libc_cv_ld_version_script_option=no +fi +rm -f conftest*]) +AM_CONDITIONAL([HAVE_VERSIONING], + [test "$libc_cv_ld_version_script_option" = "yes"]) + +AC_ARG_ENABLE([pie], + [AS_HELP_STRING([--disable-pie], + [disable position-independent executables (PIE)])], + [], [enable_pie=check]) +case "$enable_pie" in + no) ;; + yes|check) + dnl Check for -fpie/-pie support + AC_CACHE_CHECK([for -fpie/-pie support], + [pam_cv_pie], + [saved_CFLAGS="$CFLAGS" + saved_LDFLAGS="$LDFLAGS" + CFLAGS="$CFLAGS -fpie" + LDFLAGS="$LDFLAGS -pie" + AC_LINK_IFELSE([AC_LANG_PROGRAM(,)], + [pam_cv_pie=yes], + [pam_cv_pie=no]) + LDFLAGS="$saved_LDFLAGS" + CFLAGS="$saved_CFLAGS"]) + AS_IF([test "$pam_cv_pie" = yes], + [enable_pie=yes], + [AS_IF([test "$enable_pie" = yes], + [AC_MSG_FAILURE([requested -fpie/-pie support not found])], + [enable_pie=no])]) + ;; + *) AC_MSG_ERROR([bad value $enable_pie for --enable-pie option]) ;; +esac + +AS_IF([test "$enable_pie" = yes], + [PIE_CFLAGS="-fpie" + PIE_LDFLAGS="-pie"], + [PIE_CFLAGS= + PIE_LDFLAGS=]) + +EXE_CFLAGS="$PIE_CFLAGS" +EXE_LDFLAGS="$PIE_LDFLAGS $ZNOW_LDFLAGS" +AC_SUBST(EXE_CFLAGS) +AC_SUBST(EXE_LDFLAGS) + + +dnl +dnl options and defaults +dnl + +AC_ARG_ENABLE([doc], + AS_HELP_STRING([--disable-doc],[Do not generate or install documentation]), + WITH_DOC=$enableval, WITH_DOC=yes) +AM_CONDITIONAL([HAVE_DOC], [test "x$WITH_DOC" = "xyes"]) + +AC_ARG_ENABLE([prelude], + AS_HELP_STRING([--disable-prelude],[do not use prelude]), + WITH_PRELUDE=$enableval, WITH_PRELUDE=yes) +if test "$WITH_PRELUDE" = "yes" ; then + AM_PATH_LIBPRELUDE([0.9.0]) + if test "$LIBPRELUDE_CONFIG" != "no" ; then + LIBPRELUDE_CFLAGS="$LIBPRELUDE_CFLAGS -DPRELUDE=1" + fi +fi + +dnl lots of debugging information goes to /var/run/pam-debug.log +AC_ARG_ENABLE([debug], + AS_HELP_STRING([--enable-debug],[specify you are building with debugging on])) + +if test x"$enable_debug" = x"yes" ; then + AC_DEFINE([PAM_DEBUG],, + [lots of stuff gets written to /var/run/pam-debug.log]) +fi + +AC_ARG_ENABLE(securedir, + AS_HELP_STRING([--enable-securedir=DIR],[path to location of PAMs @<:@default=$libdir/security@:>@]), + SECUREDIR=$enableval, SECUREDIR=$libdir/security) +AC_SUBST(SECUREDIR) + +AC_ARG_ENABLE([isadir], + AS_HELP_STRING([--enable-isadir=DIR],[path to arch-specific module files @<:@default=../../(basename of $libdir)/security@:>@]), +ISA=$enableval, +ISA=../../`basename $libdir`/security) +unset mylibdirbase +AC_DEFINE_UNQUOTED(_PAM_ISA,"$ISA",[Define to the path, relative to SECUREDIR, where PAMs specific to this architecture can be found.]) +AC_MSG_RESULT([Defining \$ISA to "$ISA"]) + +AC_ARG_ENABLE(sconfigdir, + AS_HELP_STRING([--enable-sconfigdir=DIR],[path to module conf files @<:@default=$sysconfdir/security@:>@]), + SCONFIGDIR=$enableval, SCONFIGDIR=$sysconfdir/security) +AC_SUBST(SCONFIGDIR) + +AC_ARG_ENABLE(pamlocking, + AS_HELP_STRING([--enable-pamlocking],[configure libpam to observe a global authentication lock])) + +if test x"$enable_pamlocking" = "xyes"; then + AC_DEFINE([PAM_LOCKING],, + [libpam should observe a global authentication lock]) +fi + +AC_ARG_ENABLE(read-both-confs, + AS_HELP_STRING([--enable-read-both-confs],[read both /etc/pam.d and /etc/pam.conf files])) + +if test x"$enable_read_both_confs" = "xyes"; then + AC_DEFINE([PAM_READ_BOTH_CONFS],, + [read both /etc/pam.d and /etc/pam.conf files]) +fi + +AC_ARG_ENABLE([lckpwdf], + AS_HELP_STRING([--disable-lckpwdf],[do not use the lckpwdf function]), + WITH_LCKPWDF=$enableval, WITH_LCKPWDF=yes) +if test "$WITH_LCKPWDF" = "yes" ; then + AC_DEFINE([USE_LCKPWDF], 1, + [Define to 1 if the lckpwdf function should be used]) +fi + +AC_CHECK_HEADERS(paths.h) +AC_ARG_WITH(mailspool, +[ --with-mailspool path to mail spool directory + [default _PATH_MAILDIR if defined in paths.h, otherwise /var/spool/mail]], +with_mailspool=${withval}) +if test x$with_mailspool != x ; then + pam_mail_spool="\"$with_mailspool\"" +else + AC_RUN_IFELSE([AC_LANG_SOURCE([[ +#include +int main() { +#ifdef _PATH_MAILDIR +exit(0); +#else +exit(1); +#endif +}]])],[pam_mail_spool="_PATH_MAILDIR"],[pam_mail_spool="\"/var/spool/mail\""],[pam_mail_spool="\"/var/spool/mail\""]) +fi +AC_DEFINE_UNQUOTED(PAM_PATH_MAILDIR, $pam_mail_spool, + [Path where mails are stored]) + +AC_ARG_WITH(xauth, +[ --with-xauth additional path to check for xauth when it is called from pam_xauth + [added to the default of /usr/X11R6/bin/xauth, /usr/bin/xauth, /usr/bin/X11/xauth]], +pam_xauth_path=${withval}) +if test x$with_xauth = x ; then + AC_PATH_PROG(pam_xauth_path, xauth) +dnl There is no sense in adding the first default path + if test x$pam_xauth_path = x/usr/X11R6/bin/xauth ; then + unset pam_xauth_path + fi +fi + +if test x$pam_xauth_path != x ; then + AC_DEFINE_UNQUOTED(PAM_PATH_XAUTH, "$pam_xauth_path", + [Additional path of xauth executable]) +fi + +dnl Checks for the existence of libdl - in musl its a part of libc +saved_LIBS="$LIBS" +AC_SEARCH_LIBS([dlopen], [dl]) +LIBS="$saved_LIBS" +case "$ac_cv_search_dlopen" in + no) AC_MSG_FAILURE([failed to find dlopen]) ;; + -l*) LIBDL="$ac_cv_search_dlopen" ;; + *) LIBDL= ;; +esac +AC_SUBST(LIBDL) + +dnl Look for Linux Auditing library - see documentation +AC_ARG_ENABLE([audit], + AS_HELP_STRING([--disable-audit],[do not enable audit support]), + WITH_LIBAUDIT=$enableval, WITH_LIBAUDIT=yes) +if test x"$WITH_LIBAUDIT" != xno ; then + AC_CHECK_HEADER([libaudit.h], + [AC_CHECK_LIB(audit, audit_log_acct_message, LIBAUDIT=-laudit, LIBAUDIT="") + AC_CHECK_TYPE([struct audit_tty_status], + [HAVE_AUDIT_TTY_STATUS=yes], + [HAVE_AUDIT_TTY_STATUS=""], + [#include ])] + ) + if test -n "$LIBAUDIT" && test "$ac_cv_header_libaudit_h" != "no" ; then + AC_DEFINE([HAVE_LIBAUDIT], 1, [Define to 1 if audit support should be compiled in.]) + fi + if test -n "$HAVE_AUDIT_TTY_STATUS" ; then + AC_CHECK_MEMBERS([struct audit_tty_status.log_passwd], [], + AC_MSG_WARN([audit_tty_status.log_passwd is not available. The log_passwd option is disabled.]), + [[#include ]]) + fi +else + LIBAUDIT="" +fi +AC_SUBST(LIBAUDIT) + +AC_CHECK_HEADERS(crypt.h) + +BACKUP_LIBS=$LIBS +LIBCRYPT="" +PKG_CHECK_MODULES([CRYPT], [libcrypt], [ + CFLAGS="$CFLAGS $CRYPT_CFLAGS" + CPPFLAGS="$CPPFLAGS $CRYPT_CFLAGS" + LIBS="$LIBS $CRYPT_LIBS" + LIBCRYPT="$CRYPT_LIBS" +], [ + AC_SEARCH_LIBS([crypt_gensalt_rn],[crypt]) + case "$ac_cv_search_crypt_gensalt_rn" in + -l*) LIBCRYPT="$ac_cv_search_crypt_gensalt_rn" ;; + no) AC_SEARCH_LIBS([crypt_r],[crypt]) + case "$ac_cv_search_crypt_r" in + -l*) LIBCRYPT="$ac_cv_search_crypt_r" ;; + no ) AC_SEARCH_LIBS([crypt],[crypt]) + case "$ac_cv_search_crypt" in + -l*) LIBCRYPT="$ac_cv_search_crypt" ;; + esac ;; + esac ;; + esac +]) +AC_CHECK_FUNCS([crypt_r]) +LIBS=$BACKUP_LIBS +AC_SUBST(LIBCRYPT) + +AC_ARG_WITH([randomdev], AS_HELP_STRING([--with-randomdev=(|yes|no)],[use specified random device instead of /dev/urandom or 'no' to disable]), opt_randomdev=$withval) +if test "$opt_randomdev" = yes || test -z "$opt_randomdev"; then + opt_randomdev="/dev/urandom" +elif test "$opt_randomdev" = no; then + opt_randomdev= +fi +if test -n "$opt_randomdev"; then + AC_DEFINE_UNQUOTED(PAM_PATH_RANDOMDEV, "$opt_randomdev", [Random device path.]) +fi + +dnl check for libdb or libndbm as fallback. Some libndbm compat +dnl libraries are unusable, so try libdb first. +AC_ARG_ENABLE([db], + AS_HELP_STRING([--enable-db=(db|ndbm|yes|no)],[Default behavior 'yes', which is to check for libdb first, followed by ndbm. Use 'no' to disable db support.]), + WITH_DB=$enableval, WITH_DB=yes) +AC_ARG_WITH([db-uniquename], + AS_HELP_STRING([--with-db-uniquename=extension],[Unique name for db libraries and functions.])) +if test x"$WITH_DB" != xno ; then + if test x"$WITH_DB" = xyes || test x"$WITH_DB" = xdb ; then + old_libs=$LIBS + LIBS="$LIBS -ldb$with_db_uniquename" + AC_CHECK_FUNCS([db_create$with_db_uniquename db_create dbm_store$with_db_uniquename dbm_store], + [LIBDB="-ldb$with_db_uniquename"; break]) + LIBS=$old_libs + fi + if test -z "$LIBDB" ; then + AC_CHECK_LIB([ndbm],[dbm_store], LIBDB="-lndbm", LIBDB="") + if test -n "$LIBDB" ; then + AC_CHECK_HEADERS(ndbm.h) + fi + else + AC_CHECK_HEADERS(db.h) + fi +fi +AC_SUBST(LIBDB) + +AC_ARG_ENABLE([nis], + AS_HELP_STRING([--disable-nis], [Disable building NIS/YP support in pam_unix])) + +AS_IF([test "x$enable_nis" != "xno"], [ + old_CFLAGS=$CFLAGS + old_CPPFLAGS=$CPPFLAGS + old_LIBS=$LIBS + + dnl if there's libtirpc available, prefer that over the system + dnl implementation. + PKG_CHECK_MODULES([TIRPC], [libtirpc], [ + CFLAGS="$CFLAGS $TIRPC_CFLAGS" + CPPFLAGS="$CPPFLAGS $TIRPC_CFLAGS" + LIBS="$LIBS $TIRPC_LIBS" + ], [:;]) + + PKG_CHECK_MODULES([NSL], [libnsl], [], + [AC_CHECK_LIB([nsl],[yp_match],[NSL_LIBS="-lnsl"],[NSL_LIBS=""])]) + CFLAGS="$CFLAGS $NSL_CFLAGS" + CPPFLAGS="$CPPFLAGS $NSL_CFLAGS" + LIBS="$LIBS $NSL_LIBS" + + AC_CHECK_FUNCS([yp_get_default_domain yperr_string yp_master yp_bind yp_match yp_unbind]) + AC_CHECK_FUNCS([getrpcport rpcb_getaddr]) + AC_CHECK_HEADERS([rpc/rpc.h rpcsvc/ypclnt.h rpcsvc/yp_prot.h]) + AC_CHECK_DECLS([getrpcport], , , [ + #if HAVE_RPC_RPC_H + # include + #endif + ]) + + CFLAGS="$old_CFLAGS" + CPPFLAGS="$old_CPPFLAGS" + LIBS="$old_LIBS" +]) + +AC_SUBST([NIS_CFLAGS]) +AC_SUBST([NIS_LIBS]) + +AC_ARG_ENABLE([usergroups], + AS_HELP_STRING([--enable-usergroups], [sets the usergroups option default to enabled]), + [WITH_USERGROUPS=$enableval], WITH_USERGROUPS=no) +if test "$WITH_USERGROUPS" = "yes" ; then + AC_DEFINE([DEFAULT_USERGROUPS_SETTING], 1, + [Defines the value usergroups option should have by default]) +else + AC_DEFINE([DEFAULT_USERGROUPS_SETTING], 0, + [Defines the value usergroups option should have by default]) +fi + +AC_ARG_ENABLE([selinux], + AS_HELP_STRING([--disable-selinux],[do not use SELinux]), + WITH_SELINUX=$enableval, WITH_SELINUX=yes) +if test "$WITH_SELINUX" = "yes" ; then + AC_CHECK_LIB([selinux],[getfilecon], LIBSELINUX="-lselinux", LIBSELINUX="") +else + LIBSELINUX="" +fi +AC_SUBST(LIBSELINUX) +if test -n "$LIBSELINUX" ; then + AC_DEFINE([WITH_SELINUX], 1, [Defined if SE Linux support is compiled in]) + BACKUP_LIBS=$LIBS + LIBS="$LIBS $LIBSELINUX" + AC_CHECK_FUNCS(setkeycreatecon) + AC_CHECK_FUNCS(getseuser) + LIBS=$BACKUP_LIBS +fi + +AC_ARG_ENABLE([econf], + AS_HELP_STRING([--disable-econf], [do not use libeconf]), + [WITH_ECONF=$enableval], WITH_ECONF=yes) +if test "$WITH_ECONF" = "yes" ; then + PKG_CHECK_MODULES([ECONF], [libeconf], [], + [AC_CHECK_LIB([econf],[econf_readDirs],[ECONF_LIBS="-leconf"],[ECONF_LIBS=""])]) + if test -n "$ECONF_LIBS" ; then + ECONF_CFLAGS="-DUSE_ECONF=1 $ECONF_CFLAGS" + fi +fi +AC_SUBST([ECONF_CFLAGS]) +AC_SUBST([ECONF_LIBS]) +AC_ARG_ENABLE([vendordir], + AS_HELP_STRING([--enable-vendordir=DIR], [Directory for distribution provided configuration files]),,[]) +if test -n "$enable_vendordir"; then + AC_DEFINE_UNQUOTED([VENDORDIR], ["$enable_vendordir"], + [Directory for distribution provided configuration files]) + STRINGPARAM_VENDORDIR="--stringparam vendordir '$enable_vendordir'" +else + STRINGPARAM_VENDORDIR="--stringparam vendordir ''" +fi +AC_SUBST([STRINGPARAM_VENDORDIR]) + +AC_ARG_ENABLE([openssl], + AS_HELP_STRING([--enable-openssl],[use OpenSSL crypto libraries]), + [OPENSSL_ENABLED=$enableval], OPENSSL_ENABLED=no) +if test "$OPENSSL_ENABLED" = "yes" ; then + AC_CHECK_LIB([crypto], [EVP_MAC_CTX_new], + [CRYPTO_LIBS="-lcrypto" + use_openssl=yes + AC_DEFINE([WITH_OPENSSL], 1, [OpenSSL provides crypto algorithm for hmac]) + STRINGPARAM_HMAC="--stringparam profile.condition 'openssl_hmac'"], + [CRYPTO_LIBS="" + STRINGPARAM_HMAC="--stringparam profile.condition 'no_openssl_hmac'"]) +fi +AC_SUBST([CRYPTO_LIBS]) +AC_SUBST([STRINGPARAM_HMAC]) +AM_CONDITIONAL([COND_USE_OPENSSL], [test "x$use_openssl" = "xyes"]) + +dnl Checks for header files. +AC_HEADER_DIRENT +AC_HEADER_STDC +AC_HEADER_SYS_WAIT +AC_CHECK_HEADERS(fcntl.h limits.h malloc.h sys/file.h sys/ioctl.h sys/time.h syslog.h net/if.h termio.h unistd.h sys/fsuid.h inittypes.h) + +dnl For module/pam_lastlog +AC_CHECK_HEADERS(lastlog.h utmp.h utmpx.h) + +dnl Checks for typedefs, structures, and compiler characteristics. +AC_C_BIGENDIAN +AC_C_CONST +AC_TYPE_UID_T +AC_TYPE_OFF_T +AC_TYPE_PID_T +AC_TYPE_SIZE_T +AC_HEADER_TIME +AC_STRUCT_TM + +dnl Checks for library functions. +AC_TYPE_GETGROUPS +AC_PROG_GCC_TRADITIONAL +AC_FUNC_MEMCMP +AC_FUNC_VPRINTF +AC_CHECK_FUNCS(fseeko getdomainname gethostname gettimeofday lckpwdf mkdir select) +AC_CHECK_FUNCS(strcspn strdup strspn strstr strtol uname) +AC_CHECK_FUNCS(getutent_r getpwnam_r getpwuid_r getgrnam_r getgrgid_r getspnam_r getmntent_r) +AC_CHECK_FUNCS(getgrouplist getline getdelim) +AC_CHECK_FUNCS(inet_ntop inet_pton innetgr) +AC_CHECK_FUNCS(quotactl) +AC_CHECK_FUNCS(unshare) +AC_CHECK_FUNCS([ruserok_af ruserok], [break]) +BACKUP_LIBS=$LIBS +LIBS="$LIBS -lutil" +AC_CHECK_FUNCS([logwtmp]) +LIBS=$BACKUP_LIBS + +AC_ARG_ENABLE([regenerate-docu], + AS_HELP_STRING([--disable-regenerate-docu],[Don't re-build documentation from XML sources]), + [enable_docu=$enableval], [enable_docu=yes]) +dnl +dnl Check for xsltproc +dnl +AC_PATH_PROG([XSLTPROC], [xsltproc]) +if test -z "$XSLTPROC"; then + enable_docu=no +fi +AC_PATH_PROG([XMLLINT], [xmllint],[/bin/true]) +dnl check for DocBook DTD and stylesheets in the local catalog. +JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.4//EN], + [DocBook XML DTD V4.4], [], enable_docu=no) +JH_CHECK_XML_CATALOG([http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl], + [DocBook XSL Stylesheets], [], enable_docu=no) + +AC_PATH_PROG([BROWSER], [w3m]) +if test -n "$BROWSER"; then + BROWSER="$BROWSER -T text/html -dump" +else + AC_PATH_PROG([BROWSER], [elinks]) + if test -n "$BROWSER"; then + BROWSER="$BROWSER -no-numbering -no-references -dump" + else + enable_docu=no + fi +fi + +AC_PATH_PROG([FO2PDF], [fop]) + +AM_CONDITIONAL(ENABLE_REGENERATE_MAN, test x$enable_docu != xno && test x$enable_doc != xno) +AM_CONDITIONAL(ENABLE_GENERATE_PDF, test -n "$FO2PDF") + + +AM_GNU_GETTEXT_VERSION([0.18.3]) +AM_GNU_GETTEXT([external]) +AC_CHECK_FUNCS(dngettext) + +AH_BOTTOM([#ifdef ENABLE_NLS +#include +#define _(msgid) dgettext(PACKAGE, msgid) +#define N_(msgid) msgid +#else +#define _(msgid) (msgid) +#define N_(msgid) msgid +#endif /* ENABLE_NLS */]) + +dnl +dnl Check for the availability of the kernel key management facility +dnl - The pam_keyinit module only requires the syscalls, not the error codes +dnl +AC_CHECK_DECL(__NR_keyctl, [have_key_syscalls=1],[have_key_syscalls=0],[#include ]) + +dnl +dnl Get values for default uid ranges in login.defs used in pam_usertype +dnl +AC_ARG_WITH([uidmin], AS_HELP_STRING([--with-uidmin=],[default value for regular user min uid (1000)]), opt_uidmin=$withval) +test -n "$opt_uidmin" || + opt_uidmin=1000 +AC_DEFINE_UNQUOTED(PAM_USERTYPE_UIDMIN, $opt_uidmin, [Minimum regular user uid.]) + +AC_ARG_WITH([sysuidmin], AS_HELP_STRING([--with-sysuidmin=],[default value for system user min uid (101)]), opt_sysuidmin=$withval) +test -n "$opt_sysuidmin" || + opt_sysuidmin=101 +AC_DEFINE_UNQUOTED(PAM_USERTYPE_SYSUIDMIN, $opt_sysuidmin, [Minimum system user uid.]) + +AC_ARG_WITH([kernel-overflow-uid], AS_HELP_STRING([--with-kernel-overflow-uid=],[kernel overflow uid, default (uint16_t)-2=65534]), opt_kerneloverflowuid=$withval) +test -n "$opt_kerneloverflowuid" || + opt_kerneloverflowuid=65534 +AC_DEFINE_UNQUOTED(PAM_USERTYPE_OVERFLOW_UID, $opt_kerneloverflowuid, [Kernel overflow uid.]) + +AC_ARG_WITH([systemdunitdir], +AS_HELP_STRING([--with-systemdunitdir=DIR], [path to systemd service directory]), + [], + [ + PKG_CHECK_EXISTS([systemd], + [with_systemdunitdir=$($PKG_CONFIG --variable=systemdunitdir systemd)], + [with_systemdunitdir='${prefix}/lib/systemd/system']) + ]) +AC_SUBST([systemdunitdir], [$with_systemdunitdir]) + +AC_ARG_ENABLE([unix], + [AS_HELP_STRING([--disable-unix], + [do not build pam_unix module])], + [], [enable_unix=yes]) +case "$enable_unix" in + yes|no) ;; + *) AC_MSG_ERROR([bad value $enable_unix for --enable-unix option]) ;; +esac + +AC_ARG_WITH([misc-conv-bufsize], +AS_HELP_STRING([--with-misc-conv-bufsize=], + [Size of input buffer for libpam_misc's misc_conv() conversation function, default=4096]), + [], + [with_misc_conv_bufsize=4096]) +AC_DEFINE_UNQUOTED(PAM_MISC_CONV_BUFSIZE, $with_misc_conv_bufsize, [libpam_misc misc_conv() buffer size.]) + +AM_CONDITIONAL([COND_BUILD_PAM_KEYINIT], [test "$have_key_syscalls" = 1]) +AM_CONDITIONAL([COND_BUILD_PAM_LASTLOG], [test "$ac_cv_func_logwtmp" = yes]) +AM_CONDITIONAL([COND_BUILD_PAM_NAMESPACE], [test "$ac_cv_func_unshare" = yes]) +AM_CONDITIONAL([COND_BUILD_PAM_RHOSTS], [test "$ac_cv_func_ruserok_af" = yes || test "$ac_cv_func_ruserok" = yes]) +AM_CONDITIONAL([COND_BUILD_PAM_SELINUX], [test -n "$LIBSELINUX"]) +AM_CONDITIONAL([COND_BUILD_PAM_SEPERMIT], [test -n "$LIBSELINUX"]) +AM_CONDITIONAL([COND_BUILD_PAM_SETQUOTA], [test "$ac_cv_func_quotactl" = yes]) +AM_CONDITIONAL([COND_BUILD_PAM_TTY_AUDIT], [test "$HAVE_AUDIT_TTY_STATUS" = yes]) +AM_CONDITIONAL([COND_BUILD_PAM_UNIX], [test "$enable_unix" = yes]) +AM_CONDITIONAL([COND_BUILD_PAM_USERDB], [test -n "$LIBDB"]) + +dnl Files to be created from when we run configure +AC_CONFIG_FILES([Makefile libpam/Makefile libpamc/Makefile libpamc/test/Makefile \ + libpam_misc/Makefile conf/Makefile conf/pam_conv1/Makefile \ + libpam/pam.pc libpam_misc/pam_misc.pc libpamc/pamc.pc \ + po/Makefile.in \ + Make.xml.rules \ + modules/Makefile \ + modules/pam_access/Makefile \ + modules/pam_debug/Makefile modules/pam_deny/Makefile \ + modules/pam_echo/Makefile modules/pam_env/Makefile \ + modules/pam_faildelay/Makefile modules/pam_faillock/Makefile \ + modules/pam_filter/Makefile modules/pam_filter/upperLOWER/Makefile \ + modules/pam_ftp/Makefile modules/pam_group/Makefile \ + modules/pam_issue/Makefile modules/pam_keyinit/Makefile \ + modules/pam_lastlog/Makefile modules/pam_limits/Makefile \ + modules/pam_listfile/Makefile modules/pam_localuser/Makefile \ + modules/pam_loginuid/Makefile modules/pam_mail/Makefile \ + modules/pam_mkhomedir/Makefile modules/pam_motd/Makefile \ + modules/pam_namespace/Makefile \ + modules/pam_namespace/pam_namespace_helper modules/pam_namespace/pam_namespace.service \ + modules/pam_nologin/Makefile modules/pam_permit/Makefile \ + modules/pam_pwhistory/Makefile modules/pam_rhosts/Makefile \ + modules/pam_rootok/Makefile modules/pam_exec/Makefile \ + modules/pam_securetty/Makefile modules/pam_selinux/Makefile \ + modules/pam_sepermit/Makefile modules/pam_setquota/Makefile \ + modules/pam_shells/Makefile modules/pam_stress/Makefile \ + modules/pam_succeed_if/Makefile modules/pam_time/Makefile \ + modules/pam_timestamp/Makefile modules/pam_tty_audit/Makefile \ + modules/pam_umask/Makefile \ + modules/pam_unix/Makefile modules/pam_userdb/Makefile \ + modules/pam_usertype/Makefile \ + modules/pam_warn/Makefile modules/pam_wheel/Makefile \ + modules/pam_xauth/Makefile doc/Makefile doc/specs/Makefile \ + doc/man/Makefile doc/sag/Makefile doc/adg/Makefile \ + doc/mwg/Makefile examples/Makefile tests/Makefile \ + xtests/Makefile]) +AC_OUTPUT diff --git a/doc/Makefile.am b/doc/Makefile.am new file mode 100644 index 0000000..38319f5 --- /dev/null +++ b/doc/Makefile.am @@ -0,0 +1,23 @@ +# +# Copyright (c) 2005, 2006 Thorsten Kukuk +# + +SUBDIRS = man specs sag adg mwg + +CLEANFILES = *~ + +dist_html_DATA = index.html + +EXTRA_DIST = custom-html.xsl custom-man.xsl + +####################################################### + +releasedocs: all + $(mkinstalldirs) $(top_builddir)/Linux-PAM-$(VERSION)/doc/specs + cp -av specs/draft-morgan-pam-current.txt \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/specs/ + cp -av $(srcdir)/specs/rfc86.0.txt \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/specs/ + make -C sag releasedocs + make -C adg releasedocs + make -C mwg releasedocs diff --git a/doc/Makefile.in b/doc/Makefile.in new file mode 100644 index 0000000..ff0b315 --- /dev/null +++ b/doc/Makefile.in @@ -0,0 +1,772 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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exceeded. +.NOEXPORT: diff --git a/doc/adg/Linux-PAM_ADG.xml b/doc/adg/Linux-PAM_ADG.xml new file mode 100644 index 0000000..79452e1 --- /dev/null +++ b/doc/adg/Linux-PAM_ADG.xml @@ -0,0 +1,780 @@ + + + + + The Linux-PAM Application Developers' Guide + + + Andrew G. + Morgan + morgan@kernel.org + + + Thorsten + Kukuk + kukuk@thkukuk.de + + + Version 1.1.2, 31. August 2010 + + + This manual documents what an application developer needs to know + about the Linux-PAM library. It + describes how an application might use the + Linux-PAM library to authenticate + users. In addition it contains a description of the functions + to be found in libpam_misc library, that can + be used in general applications. Finally, it contains some comments + on PAM related security issues for the application developer. + + + + + + Introduction +
+ Description + + Linux-PAM + (Pluggable Authentication Modules for Linux) is a library that enables + the local system administrator to choose how individual applications + authenticate users. For an overview of the + Linux-PAM library see the + Linux-PAM System Administrators' Guide. + + + It is the purpose of the Linux-PAM + project to liberate the development of privilege granting software + from the development of secure and appropriate authentication schemes. + This is accomplished by providing a documented library of functions + that an application may use for all forms of user authentication + management. This library dynamically loads locally configured + authentication modules that actually perform the authentication tasks. + + + From the perspective of an application developer the information + contained in the local configuration of the PAM library should not be + important. Indeed it is intended that an application treat the + functions documented here as a 'black box' that will deal with all + aspects of user authentication. 'All aspects' includes user + verification, account management, session initialization/termination + and also the resetting of passwords + (authentication tokens). + +
+ +
+ Synopsis + + For general applications that wish to use the services provided by + Linux-PAM the following is a summary + of the relevant linking information: + +#include <security/pam_appl.h> + +cc -o application .... -lpam + + + + In addition to libpam, there is a library of + miscellaneous functions that make the job of writing + PAM-aware applications easier (this library is not + covered in the DCE-RFC for PAM and is specific to the Linux-PAM + distribution): + +#include <security/pam_appl.h> +#include <security/pam_misc.h> + +cc -o application .... -lpam -lpam_misc + + +
+ + + + Overview + + Most service-giving applications are restricted. In other words, + their service is not available to all and every prospective client. + Instead, the applying client must jump through a number of hoops to + convince the serving application that they are authorized to obtain + service. + + + The process of authenticating a client is what + PAM is designed to manage. In addition to authentication, PAM provides + account management, credential management, session management and + authentication-token (password changing) management services. It is + important to realize when writing a PAM based application that these + services are provided in a manner that is + transparent to the application. That is + to say, when the application is written, no assumptions can be made + about how the client will be authenticated. + + + The process of authentication is performed by the PAM library via a + call to pam_authenticate(). The return value + of this function will indicate whether a named client (the + user) has been authenticated. If the PAM library + needs to prompt the user for any information, such as their + name or a password + then it will do so. If the PAM library is configured to authenticate + the user using some silent protocol, it will do this too. (This + latter case might be via some hardware interface for example.) + + + It is important to note that the application must leave all decisions + about when to prompt the user at the discretion of the PAM library. + + + The PAM library, however, must work equally well for different styles + of application. Some applications, like the familiar + login and passwd are terminal + based applications, exchanges of information with the client in + these cases is as plain text messages. Graphically based applications, + however, have a more sophisticated interface. They generally interact + with the user via specially constructed dialogue boxes. Additionally, + network based services require that text messages exchanged with the + client are specially formatted for automated processing: one such + example is ftpd which prefixes each exchanged + message with a numeric identifier. + + + The presentation of simple requests to a client is thus something very + dependent on the protocol that the serving application will use. In + spite of the fact that PAM demands that it drives the whole + authentication process, it is not possible to leave such protocol + subtleties up to the PAM library. To overcome this potential problem, + the application provides the PAM library with a + conversation function. This function is called + from within the PAM library and enables the PAM + to directly interact with the client. The sorts of things that this + conversation function must be able to do are prompt the user with + text and/or obtain textual input from the user for processing by the + PAM library. The details of this function are provided in a later + section. + + + For example, the conversation function may be called by the PAM + library with a request to prompt the user for a password. Its job is + to reformat the prompt request into a form that the client will + understand. In the case of ftpd, this might involve + prefixing the string with the number 331 and sending + the request over the network to a connected client. The conversation + function will then obtain any reply and, after extracting the typed + password, will return this string of text to the PAM library. Similar + concerns need to be addressed in the case of an X-based graphical + server. + + + There are a number of issues that need to be addressed when one is + porting an existing application to become PAM compliant. A section + below has been devoted to this: Porting legacy applications. + + + Besides authentication, PAM provides other forms of management. + Session management is provided with calls to + pam_open_session() and + pam_close_session(). What these functions + actually do is up to the local administrator. But typically, they + could be used to log entry and exit from the system or for mounting + and unmounting the user's home directory. If an application provides + continuous service for a period of time, it should probably call + these functions, first open after the user is authenticated and then + close when the service is terminated. + + + Account management is another area that an application developer + should include with a call to pam_acct_mgmt(). + This call will perform checks on the good health of the user's account + (has it expired etc.). One of the things this function may check is + whether the user's authentication token has expired - in such a case the + application may choose to attempt to update it with a call to + pam_chauthtok(), although some applications + are not suited to this task (ftp for example) + and in this case the application should deny access to the user. + + + PAM is also capable of setting and deleting the user's credentials with + the call pam_setcred(). This function should + always be called after the user is authenticated and before service + is offered to the user. By convention, this should be the last call + to the PAM library before the PAM session is opened. What exactly a + credential is, is not well defined. However, some examples are given + in the glossary below. + + + + + + The public interface to <emphasis remap='B'>Linux-PAM</emphasis> + + + Firstly, the relevant include file for the + Linux-PAM library is + <security/pam_appl.h>. + It contains the definitions for a number of functions. After + listing these functions, we collect some guiding remarks for + programmers. + +
+ What can be expected by the application + + + + + + + + + + + + + + + +
+
+ What is expected of an application + +
+
+ Programming notes + + Note, all of the authentication service function calls accept the + token PAM_SILENT, which instructs + the modules to not send messages to the application. This token + can be logically OR'd with any one of the permitted tokens specific + to the individual function calls. + PAM_SILENT does not override the + prompting of the user for passwords etc., it only stops informative + messages from being generated. + +
+ + + + + Security issues of <emphasis remap='B'>Linux-PAM</emphasis> + + + PAM, from the perspective of an application, is a convenient API for + authenticating users. PAM modules generally have no increased + privilege over that possessed by the application that is making use of + it. For this reason, the application must take ultimate responsibility + for protecting the environment in which PAM operates. + + + A poorly (or maliciously) written application can defeat any + Linux-PAM module's authentication + mechanisms by simply ignoring it's return values. It is the + applications task and responsibility to grant privileges and access + to services. The Linux-PAM library + simply assumes the responsibility of authenticating + the user; ascertaining that the user is who they + say they are. Care should be taken to anticipate all of the documented + behavior of the Linux-PAM library + functions. A failure to do this will most certainly lead to a future + security breach. + + +
+ Care about standard library calls + + In general, writers of authorization-granting applications should + assume that each module is likely to call any or + all 'libc' functions. For 'libc' functions + that return pointers to static/dynamically allocated structures + (ie. the library allocates the memory and the user is not expected + to 'free()' it) any module call to this + function is likely to corrupt a pointer previously + obtained by the application. The application programmer should + either re-call such a 'libc' function after a call to the + Linux-PAM library, or copy the + structure contents to some safe area of memory before passing + control to the Linux-PAM library. + + + Two important function classes that fall into this category are + + getpwnam3 + and + syslog3 + . + +
+ +
+ Choice of a service name + + When picking the service-name that + corresponds to the first entry in the + Linux-PAM configuration file, + the application programmer should avoid + the temptation of choosing something related to + argv[0]. It is a trivial matter for any user + to invoke any application on a system under a different name and + this should not be permitted to cause a security breach. + + + In general, this is always the right advice if the program is + setuid, or otherwise more privileged than the user that invokes + it. In some cases, avoiding this advice is convenient, but as an + author of such an application, you should consider well the ways + in which your program will be installed and used. (Its often the + case that programs are not intended to be setuid, but end up + being installed that way for convenience. If your program falls + into this category, don't fall into the trap of making this mistake.) + + + To invoke some target application by + another name, the user may symbolically link the target application + with the desired name. To be precise all the user need do is, + ln -s /target/application ./preferred_name + and then run ./preferred_name. + + + By studying the Linux-PAM + configuration file(s), an attacker can choose the + preferred_name to be that of a service enjoying + minimal protection; for example a game which uses + Linux-PAM to restrict access to + certain hours of the day. If the service-name were to be linked + to the filename under which the service was invoked, it + is clear that the user is effectively in the position of + dictating which authentication scheme the service uses. Needless + to say, this is not a secure situation. + + + The conclusion is that the application developer should carefully + define the service-name of an application. The safest thing is to + make it a single hard-wired name. + +
+ +
+ The conversation function + + Care should be taken to ensure that the conv() + function is robust. Such a function is provided in the library + libpam_misc (see + below). + +
+ +
+ The identity of the user + + The Linux-PAM modules will need + to determine the identity of the user who requests a service, + and the identity of the user who grants the service. These two + users will seldom be the same. Indeed there is generally a third + user identity to be considered, the new (assumed) identity of + the user once the service is granted. + + + The need for keeping tabs on these identities is clearly an + issue of security. One convention that is actively used by + some modules is that the identity of the user requesting a + service should be the current UID + (user ID) of the running process; the identity of the + privilege granting user is the EUID + (effective user ID) of the running process; the identity of + the user, under whose name the service will be executed, is + given by the contents of the PAM_USER + + pam_get_item3 + . Note, modules can change the values of + PAM_USER and PAM_RUSER + during any of the pam_*() library calls. + For this reason, the application should take care to use the + pam_get_item() every time it wishes to + establish who the authenticated user is (or will currently be). + + + For network-serving databases and other applications that provide + their own security model (independent of the OS kernel) the above + scheme is insufficient to identify the requesting user. + + + A more portable solution to storing the identity of the requesting + user is to use the PAM_RUSER + pam_get_item3 + . The application should supply this value before + attempting to authenticate the user with + pam_authenticate(). How well this name can be + trusted will ultimately be at the discretion of the local + administrator (who configures PAM for your application) and a + selected module may attempt to override the value where it can + obtain more reliable data. If an application is unable to determine + the identity of the requesting entity/user, it should not call + + pam_set_item3 + to set PAM_RUSER. + + + In addition to the PAM_RUSER item, the + application should supply the PAM_RHOST + (requesting host) item. As a general rule, + the following convention for its value can be assumed: + NULL = unknown; localhost = invoked directly from the local system; + other.place.xyz = some component of the + user's connection originates from this remote/requesting host. At + present, PAM has no established convention for indicating whether + the application supports a trusted path to communication from + this host. + +
+ +
+ Sufficient resources + + Care should be taken to ensure that the proper execution of an + application is not compromised by a lack of system resources. If an + application is unable to open sufficient files to perform its service, + it should fail gracefully, or request additional resources. + Specifically, the quantities manipulated by the + setrlimit2 + family of commands should be taken into consideration. + + + This is also true of conversation prompts. The application should not + accept prompts of arbitrary length with out checking for resource + allocation failure and dealing with such extreme conditions gracefully + and in a manner that preserves the PAM API. Such tolerance may be + especially important when attempting to track a malicious adversary. + +
+ + + + A library of miscellaneous helper functions + + To aid the work of the application developer a library of + miscellaneous functions is provided. It is called + libpam_misc, and contains a text based + conversation function, and routines for enhancing the standard + PAM-environment variable support. + + + The functions, structures and macros, made available by this + library can be defined by including + <security/pam_misc.h>. It should be + noted that this library is specific to + Linux-PAM and is not referred to in + the defining DCE-RFC (see See also) + below. + +
+ Functions supplied + + + + +
+ + + + Porting legacy applications + + The point of PAM is that the application is not supposed to + have any idea how the attached authentication modules will choose + to authenticate the user. So all they can do is provide a conversation + function that will talk directly to the user(client) on the modules' + behalf. + + + Consider the case that you plug a retinal scanner into the login + program. In this situation the user would be prompted: "please look + into the scanner". No username or password would be needed - all this + information could be deduced from the scan and a database lookup. The + point is that the retinal scanner is an ideal task for a "module". + + + While it is true that a pop-daemon program is designed with the POP + protocol in mind and no-one ever considered attaching a retinal + scanner to it, it is also the case that the "clean" PAM'ification of + such a daemon would allow for the possibility of a scanner module + being be attached to it. The point being that the "standard" + pop-authentication protocol(s) [which will be needed to satisfy + inflexible/legacy clients] would be supported by inserting an + appropriate pam_qpopper module(s). However, having rewritten + popd once in this way any new protocols can be + implemented in-situ. + + + One simple test of a ported application would be to insert the + pam_permit module and see if the application + demands you type a password... In such a case, xlock + would fail to lock the terminal - or would at best be a screen-saver, + ftp would give password free access to all etc.. Neither of + these is a very secure thing to do, but they do illustrate how + much flexibility PAM puts in the hands of the local admin. + + + The key issue, in doing things correctly, is identifying what is part + of the authentication procedure (how many passwords etc..) the + exchange protocol (prefixes to prompts etc., numbers like 331 in the + case of ftpd) and what is part of the service that the application + delivers. PAM really needs to have total control in the + authentication "procedure", the conversation function should only + deal with reformatting user prompts and extracting responses from raw + input. + + + + + Glossary of PAM related terms + + The following are a list of terms used within this document. + + + + Authentication token + + + Generally, this is a password. However, a user can authenticate + him/herself in a variety of ways. Updating the user's + authentication token thus corresponds to + refreshing the object they use to + authenticate themself with the system. The word password is + avoided to keep open the possibility that the authentication + involves a retinal scan or other non-textual mode of + challenge/response. + + + + + Credentials + + + Having successfully authenticated the user, PAM is able to + establish certain characteristics/attributes of the user. + These are termed credentials. Examples + of which are group memberships to perform privileged tasks + with, and tickets in the form of + environment variables etc. . Some user-credentials, such as + the user's UID and GID (plus default group memberships) are + not deemed to be PAM-credentials. It is the responsibility + of the application to grant these directly. + + + + + + + + An example application + + To get a flavor of the way a Linux-PAM + application is written we include the following example. It prompts + the user for their password and indicates whether their account + is valid on the standard output, its return code also indicates + the success (0 for success; + 1 for failure). + + +#include +#include + +static struct pam_conv conv = { + misc_conv, + NULL +}; + +int main(int argc, char *argv[]) +{ + pam_handle_t *pamh=NULL; + int retval; + const char *user="nobody"; + + if(argc == 2) { + user = argv[1]; + } + + if(argc > 2) { + fprintf(stderr, "Usage: check_user [username]\n"); + exit(1); + } + + retval = pam_start("check_user", user, &conv, &pamh); + + if (retval == PAM_SUCCESS) + retval = pam_authenticate(pamh, 0); /* is user really user? */ + + if (retval == PAM_SUCCESS) + retval = pam_acct_mgmt(pamh, 0); /* permitted access? */ + + /* This is where we have been authorized or not. */ + + if (retval == PAM_SUCCESS) { + fprintf(stdout, "Authenticated\n"); + } else { + fprintf(stdout, "Not Authenticated\n"); + } + + if (pam_end(pamh,retval) != PAM_SUCCESS) { /* close Linux-PAM */ + pamh = NULL; + fprintf(stderr, "check_user: failed to release authenticator\n"); + exit(1); + } + + return ( retval == PAM_SUCCESS ? 0:1 ); /* indicate success */ +} +]]> + + + + + Files + + + /usr/include/security/pam_appl.h + + + Header file with interfaces for + Linux-PAM applications. + + + + + /usr/include/security/pam_misc.h + + + Header file for useful library functions for making + applications easier to write. + + + + + + + + See also + + + + The Linux-PAM System Administrators' Guide. + + + + + The Linux-PAM Module Writers' Guide. + + + + + The V. Samar and R. Schemers (SunSoft), ``UNIFIED LOGIN WITH + PLUGGABLE AUTHENTICATION MODULES'', Open Software Foundation + Request For Comments 86.0, October 1995. + + + + + + + Author/acknowledgments + + This document was written by Andrew G. Morgan (morgan@kernel.org) + with many contributions from + Chris Adams, Peter Allgeyer, Tim Baverstock, Tim Berger, Craig S. Bell, + Derrick J. Brashear, Ben Buxton, Seth Chaiklin, Oliver Crow, Chris Dent, + Marc Ewing, Cristian Gafton, Emmanuel Galanos, Brad M. Garcia, + Eric Hester, Roger Hu, Eric Jacksch, Michael K. Johnson, David Kinchlea, + Olaf Kirch, Marcin Korzonek, Thorsten Kukuk, Stephen Langasek, + Nicolai Langfeldt, Elliot Lee, Luke Kenneth Casson Leighton, + Al Longyear, Ingo Luetkebohle, Marek Michalkiewicz, Robert Milkowski, + Aleph One, Martin Pool, Sean Reifschneider, Jan Rekorajski, Erik Troan, + Theodore Ts'o, Jeff Uphoff, Myles Uyema, Savochkin Andrey Vladimirovich, + Ronald Wahl, David Wood, John Wilmes, Joseph S. D. Yao + and Alex O. Yuriev. + + + Thanks are also due to Sun Microsystems, especially to Vipin Samar and + Charlie Lai for their advice. At an early stage in the development of + Linux-PAM, Sun graciously made the + documentation for their implementation of PAM available. This act + greatly accelerated the development of + Linux-PAM. + + + + + Copyright information for this document + +Copyright (c) 2006 Thorsten Kukuk <kukuk@thkukuk.de> +Copyright (c) 1996-2002 Andrew G. Morgan <morgan@kernel.org> + + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are + met: + + +1. Redistributions of source code must retain the above copyright + notice, and the entire permission notice in its entirety, + including the disclaimer of warranties. + +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +3. The name of the author may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + + Alternatively, this product may be distributed under the terms of + the GNU General Public License (GPL), in which case the provisions + of the GNU GPL are required instead of the above restrictions. + (This clause is necessary due to a potential bad interaction between + the GNU GPL and the restrictions contained in a BSD-style copyright.) + + +THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED +WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR +TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE +USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + + + diff --git a/doc/adg/Makefile.am b/doc/adg/Makefile.am new file mode 100644 index 0000000..77bd7a9 --- /dev/null +++ b/doc/adg/Makefile.am @@ -0,0 +1,113 @@ +# +# Copyright (c) 2006 Thorsten Kukuk +# + +CLEANFILES = Linux-PAM_ADG.fo *~ + +EXTRA_DIST = $(XMLS) + +XMLS = Linux-PAM_ADG.xml $(shell ls $(srcdir)/pam_*.xml) +DEP_XMLS = $(shell ls $(top_srcdir)/doc/man/pam_*.xml) + +if ENABLE_REGENERATE_MAN +MAINTAINERCLEANFILES = Linux-PAM_ADG.txt Linux-PAM_ADG.pdf html/*.html + +all: Linux-PAM_ADG.txt html/Linux-PAM_ADG.html Linux-PAM_ADG.pdf + +Linux-PAM_ADG.pdf: $(XMLS) $(DEP_XMLS) +if ENABLE_GENERATE_PDF + $(XMLLINT) --nonet --xinclude --postvalid --noent --noout $< + $(XSLTPROC) --stringparam generate.toc "book toc" \ + --stringparam section.autolabel 1 \ + --stringparam section.label.includes.component.label 1 \ + --stringparam toc.max.depth 3 --xinclude --nonet \ + http://docbook.sourceforge.net/release/xsl/current/fo/docbook.xsl $< > Linux-PAM_ADG.fo + $(FO2PDF) Linux-PAM_ADG.fo $@ +else + echo "No fo2pdf processor installed, skip PDF generation" +endif + +Linux-PAM_ADG.txt: $(XMLS) $(DEP_XMLS) + $(XMLLINT) --nonet --xinclude --postvalid --noent --noout $< + $(XSLTPROC) --stringparam generate.toc "book toc" \ + --stringparam section.autolabel 1 \ + --stringparam section.label.includes.component.label 1 \ + --stringparam toc.max.depth 3 --xinclude --nonet \ + http://docbook.sourceforge.net/release/xsl/current/html/docbook.xsl $< | $(BROWSER) > $@ + +html/Linux-PAM_ADG.html: $(XMLS) $(DEP_XMLS) + @test -d html || mkdir -p html + $(XMLLINT) --nonet --xinclude --postvalid --noent --noout $< + $(XSLTPROC) --stringparam base.dir html/ \ + --stringparam root.filename Linux-PAM_ADG \ + --stringparam use.id.as.filename 1 \ + --stringparam chunk.first.sections 1 \ + --stringparam section.autolabel 1 \ + --stringparam section.label.includes.component.label 1 \ + --stringparam toc.max.depth 3 --xinclude --nonet \ + --stringparam chunker.output.encoding UTF-8 \ + http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl $< + +distclean-local: + -rm -rf html Linux-PAM_ADG.txt Linux-PAM_ADG.pdf + +endif + +install-data-local: + $(mkinstalldirs) $(DESTDIR)$(docdir) + $(mkinstalldirs) $(DESTDIR)$(pdfdir) + $(mkinstalldirs) $(DESTDIR)$(htmldir) + if test -f html/Linux-PAM_ADG.html; then \ + $(install_sh_DATA) html/Linux-PAM_ADG.html html/adg-*.html \ + $(DESTDIR)$(htmldir)/; \ + elif test -f $(srcdir)/html/Linux-PAM_ADG.html; then \ + $(install_sh_DATA) $(srcdir)/html/Linux-PAM_ADG.html \ + $(srcdir)/html/adg-*.html \ + $(DESTDIR)$(htmldir)/; \ + fi + if test -f Linux-PAM_ADG.txt; then \ + $(install_sh_DATA) Linux-PAM_ADG.txt $(DESTDIR)$(docdir)/; \ + elif test -f $(srcdir)/Linux-PAM_ADG.txt; then \ + $(install_sh_DATA) $(srcdir)/Linux-PAM_ADG.txt \ + $(DESTDIR)$(docdir)/; \ + fi + if test -f Linux-PAM_ADG.pdf; then \ + $(install_sh_DATA) Linux-PAM_ADG.pdf $(DESTDIR)$(pdfdir)/; \ + elif test -f $(srcdir)/Linux-PAM_ADG.pdf; then \ + $(install_sh_DATA) $(srcdir)/Linux-PAM_ADG.pdf \ + $(DESTDIR)$(pdfdir)/; \ + fi + +uninstall-local: + -rm $(DESTDIR)$(htmldir)/Linux-PAM_ADG.html + -rm $(DESTDIR)$(htmldir)/adg-*.html + -rm $(DESTDIR)$(docdir)/Linux-PAM_ADG.txt + -rm $(DESTDIR)$(pdfdir)/Linux-PAM_ADG.pdf + +releasedocs: all + $(mkinstalldirs) $(top_builddir)/Linux-PAM-$(VERSION)/doc/adg/html + if test -f html/Linux-PAM_ADG.html; then \ + cp -ap html/Linux-PAM_ADG.html html/adg-*.html \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/adg/html/; \ + elif test -f $(srcdir)/html/Linux-PAM_ADG.html; then \ + cp -ap $(srcdir)/html/Linux-PAM_ADG.html \ + $(srcdir)/html/adg-*.html \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/adg/html/; \ + else exit 1; \ + fi + if test -f Linux-PAM_ADG.txt; then \ + cp -p 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+@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ $(XMLLINT) --nonet --xinclude --postvalid --noent --noout $< +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ $(XSLTPROC) --stringparam generate.toc "book toc" \ +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ --stringparam section.autolabel 1 \ +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ --stringparam section.label.includes.component.label 1 \ +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ --stringparam toc.max.depth 3 --xinclude --nonet \ +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ http://docbook.sourceforge.net/release/xsl/current/fo/docbook.xsl $< > Linux-PAM_ADG.fo +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ $(FO2PDF) Linux-PAM_ADG.fo $@ +@ENABLE_GENERATE_PDF_FALSE@@ENABLE_REGENERATE_MAN_TRUE@ echo "No fo2pdf processor installed, skip PDF generation" + +@ENABLE_REGENERATE_MAN_TRUE@Linux-PAM_ADG.txt: $(XMLS) $(DEP_XMLS) +@ENABLE_REGENERATE_MAN_TRUE@ $(XMLLINT) --nonet --xinclude --postvalid --noent --noout $< +@ENABLE_REGENERATE_MAN_TRUE@ $(XSLTPROC) --stringparam generate.toc "book toc" \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam section.autolabel 1 \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam section.label.includes.component.label 1 \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam toc.max.depth 3 --xinclude --nonet \ +@ENABLE_REGENERATE_MAN_TRUE@ http://docbook.sourceforge.net/release/xsl/current/html/docbook.xsl $< | $(BROWSER) > $@ + +@ENABLE_REGENERATE_MAN_TRUE@html/Linux-PAM_ADG.html: $(XMLS) $(DEP_XMLS) +@ENABLE_REGENERATE_MAN_TRUE@ @test -d html || mkdir -p html +@ENABLE_REGENERATE_MAN_TRUE@ $(XMLLINT) --nonet --xinclude --postvalid --noent --noout $< +@ENABLE_REGENERATE_MAN_TRUE@ $(XSLTPROC) --stringparam base.dir html/ \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam root.filename Linux-PAM_ADG \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam use.id.as.filename 1 \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam chunk.first.sections 1 \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam section.autolabel 1 \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam section.label.includes.component.label 1 \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam toc.max.depth 3 --xinclude --nonet \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam chunker.output.encoding UTF-8 \ +@ENABLE_REGENERATE_MAN_TRUE@ http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl $< + +@ENABLE_REGENERATE_MAN_TRUE@distclean-local: +@ENABLE_REGENERATE_MAN_TRUE@ -rm -rf html Linux-PAM_ADG.txt Linux-PAM_ADG.pdf + +install-data-local: + $(mkinstalldirs) $(DESTDIR)$(docdir) + $(mkinstalldirs) $(DESTDIR)$(pdfdir) + $(mkinstalldirs) $(DESTDIR)$(htmldir) + if test -f html/Linux-PAM_ADG.html; then \ + $(install_sh_DATA) html/Linux-PAM_ADG.html html/adg-*.html \ + $(DESTDIR)$(htmldir)/; \ + elif test -f $(srcdir)/html/Linux-PAM_ADG.html; then \ + $(install_sh_DATA) $(srcdir)/html/Linux-PAM_ADG.html \ + $(srcdir)/html/adg-*.html \ + $(DESTDIR)$(htmldir)/; \ + fi + if test -f Linux-PAM_ADG.txt; then \ + $(install_sh_DATA) Linux-PAM_ADG.txt $(DESTDIR)$(docdir)/; \ + elif test -f $(srcdir)/Linux-PAM_ADG.txt; then \ + $(install_sh_DATA) $(srcdir)/Linux-PAM_ADG.txt \ + $(DESTDIR)$(docdir)/; \ + fi + if test -f Linux-PAM_ADG.pdf; then \ + $(install_sh_DATA) Linux-PAM_ADG.pdf $(DESTDIR)$(pdfdir)/; \ + elif test -f $(srcdir)/Linux-PAM_ADG.pdf; then \ + $(install_sh_DATA) $(srcdir)/Linux-PAM_ADG.pdf \ + $(DESTDIR)$(pdfdir)/; \ + fi + +uninstall-local: + -rm $(DESTDIR)$(htmldir)/Linux-PAM_ADG.html + -rm $(DESTDIR)$(htmldir)/adg-*.html + -rm $(DESTDIR)$(docdir)/Linux-PAM_ADG.txt + -rm $(DESTDIR)$(pdfdir)/Linux-PAM_ADG.pdf + +releasedocs: all + $(mkinstalldirs) $(top_builddir)/Linux-PAM-$(VERSION)/doc/adg/html + if test -f html/Linux-PAM_ADG.html; then \ + cp -ap html/Linux-PAM_ADG.html html/adg-*.html \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/adg/html/; \ + elif test -f $(srcdir)/html/Linux-PAM_ADG.html; then \ + cp -ap $(srcdir)/html/Linux-PAM_ADG.html \ + $(srcdir)/html/adg-*.html \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/adg/html/; \ + else exit 1; \ + fi + if test -f Linux-PAM_ADG.txt; then \ + cp -p Linux-PAM_ADG.txt \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/adg/; \ + elif test -f $(srcdir)/Linux-PAM_ADG.txt; then \ + cp -p $(srcdir)/Linux-PAM_ADG.txt \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/adg/; \ + else exit 1; \ + fi + if test -f Linux-PAM_ADG.pdf; then \ + cp -p Linux-PAM_ADG.pdf \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/adg/; \ + elif test -f $(srcdir)/Linux-PAM_ADG.pdf; then \ + cp -p $(srcdir)/Linux-PAM_ADG.pdf \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/adg/; \ + else exit 1; \ + fi + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/doc/adg/pam_acct_mgmt.xml b/doc/adg/pam_acct_mgmt.xml new file mode 100644 index 0000000..6a3a37d --- /dev/null +++ b/doc/adg/pam_acct_mgmt.xml @@ -0,0 +1,18 @@ + + +
+ Account validation management + + + +
+ +
+
+ +
+
diff --git a/doc/adg/pam_authenticate.xml b/doc/adg/pam_authenticate.xml new file mode 100644 index 0000000..2ca9b54 --- /dev/null +++ b/doc/adg/pam_authenticate.xml @@ -0,0 +1,18 @@ + + +
+ Authenticating the user + + + +
+ +
+
+ +
+
diff --git a/doc/adg/pam_chauthtok.xml b/doc/adg/pam_chauthtok.xml new file mode 100644 index 0000000..1c613da --- /dev/null +++ b/doc/adg/pam_chauthtok.xml @@ -0,0 +1,18 @@ + + +
+ Updating authentication tokens + + + +
+ +
+
+ +
+
diff --git a/doc/adg/pam_close_session.xml b/doc/adg/pam_close_session.xml new file mode 100644 index 0000000..4b93fc3 --- /dev/null +++ b/doc/adg/pam_close_session.xml @@ -0,0 +1,18 @@ + + +
+ terminating PAM session management + + + +
+ +
+
+ +
+
diff --git a/doc/adg/pam_conv.xml b/doc/adg/pam_conv.xml new file mode 100644 index 0000000..01b7512 --- /dev/null +++ b/doc/adg/pam_conv.xml @@ -0,0 +1,35 @@ + + +
+ The conversation function + + + + +struct pam_message { + int msg_style; + const char *msg; +}; + +struct pam_response { + char *resp; + int resp_retcode; +}; + +struct pam_conv { + int (*conv)(int num_msg, const struct pam_message **msg, + struct pam_response **resp, void *appdata_ptr); + void *appdata_ptr; +}; + +
+ +
+
+ +
+
diff --git a/doc/adg/pam_end.xml b/doc/adg/pam_end.xml new file mode 100644 index 0000000..efa328b --- /dev/null +++ b/doc/adg/pam_end.xml @@ -0,0 +1,18 @@ + + +
+ Termination of PAM transaction + + + +
+ +
+
+ +
+
diff --git a/doc/adg/pam_fail_delay.xml b/doc/adg/pam_fail_delay.xml new file mode 100644 index 0000000..589e114 --- /dev/null +++ b/doc/adg/pam_fail_delay.xml @@ -0,0 +1,18 @@ + + +
+ Request a delay on failure + + + +
+ +
+
+ +
+
diff --git a/doc/adg/pam_get_item.xml b/doc/adg/pam_get_item.xml new file mode 100644 index 0000000..f23c734 --- /dev/null +++ b/doc/adg/pam_get_item.xml @@ -0,0 +1,18 @@ + + +
+ Getting PAM items + + + +
+ +
+
+ +
+
diff --git a/doc/adg/pam_getenv.xml b/doc/adg/pam_getenv.xml new file mode 100644 index 0000000..61d69c3 --- /dev/null +++ b/doc/adg/pam_getenv.xml @@ -0,0 +1,18 @@ + + +
+ Get a PAM environment variable + + + +
+ +
+
+ +
+
diff --git a/doc/adg/pam_getenvlist.xml b/doc/adg/pam_getenvlist.xml new file mode 100644 index 0000000..d3c2fcd --- /dev/null +++ b/doc/adg/pam_getenvlist.xml @@ -0,0 +1,18 @@ + + +
+ Getting the PAM environment + + + +
+ +
+
+ +
+
diff --git a/doc/adg/pam_misc_conv.xml b/doc/adg/pam_misc_conv.xml new file mode 100644 index 0000000..2dc760c --- /dev/null +++ b/doc/adg/pam_misc_conv.xml @@ -0,0 +1,14 @@ + + +
+ Text based conversation function + + + +
+ +
+
diff --git a/doc/adg/pam_misc_drop_env.xml b/doc/adg/pam_misc_drop_env.xml new file mode 100644 index 0000000..956d481 --- /dev/null +++ b/doc/adg/pam_misc_drop_env.xml @@ -0,0 +1,14 @@ + + +
+ Liberating a locally saved environment + + + +
+ +
+
diff --git a/doc/adg/pam_misc_paste_env.xml b/doc/adg/pam_misc_paste_env.xml new file mode 100644 index 0000000..c6d3856 --- /dev/null +++ b/doc/adg/pam_misc_paste_env.xml @@ -0,0 +1,14 @@ + + +
+ Transcribing an environment to that of PAM + + + +
+ +
+
diff --git a/doc/adg/pam_misc_setenv.xml b/doc/adg/pam_misc_setenv.xml new file mode 100644 index 0000000..3b1a32e --- /dev/null +++ b/doc/adg/pam_misc_setenv.xml @@ -0,0 +1,14 @@ + + +
+ BSD like PAM environment variable setting + + + +
+ +
+
diff --git a/doc/adg/pam_open_session.xml b/doc/adg/pam_open_session.xml new file mode 100644 index 0000000..ba738a5 --- /dev/null +++ b/doc/adg/pam_open_session.xml @@ -0,0 +1,18 @@ + + +
+ Start PAM session management + + + +
+ +
+
+ +
+
diff --git a/doc/adg/pam_putenv.xml b/doc/adg/pam_putenv.xml new file mode 100644 index 0000000..e55f1a4 --- /dev/null +++ b/doc/adg/pam_putenv.xml @@ -0,0 +1,18 @@ + + +
+ Set or change PAM environment variable + + + +
+ +
+
+ +
+
diff --git a/doc/adg/pam_set_item.xml b/doc/adg/pam_set_item.xml new file mode 100644 index 0000000..4116938 --- /dev/null +++ b/doc/adg/pam_set_item.xml @@ -0,0 +1,18 @@ + + +
+ Setting PAM items + + + +
+ +
+
+ +
+
diff --git a/doc/adg/pam_setcred.xml b/doc/adg/pam_setcred.xml new file mode 100644 index 0000000..1d3d23c --- /dev/null +++ b/doc/adg/pam_setcred.xml @@ -0,0 +1,18 @@ + + +
+ Setting user credentials + + + +
+ +
+
+ +
+
diff --git a/doc/adg/pam_start.xml b/doc/adg/pam_start.xml new file mode 100644 index 0000000..e5ec848 --- /dev/null +++ b/doc/adg/pam_start.xml @@ -0,0 +1,18 @@ + + +
+ Initialization of PAM transaction + + + +
+ +
+
+ +
+
diff --git a/doc/adg/pam_strerror.xml b/doc/adg/pam_strerror.xml new file mode 100644 index 0000000..35b08a2 --- /dev/null +++ b/doc/adg/pam_strerror.xml @@ -0,0 +1,18 @@ + + +
+ Strings describing PAM error codes + + + +
+ +
+
+ +
+
diff --git a/doc/custom-html.xsl b/doc/custom-html.xsl new file mode 100644 index 0000000..fdd5df7 --- /dev/null +++ b/doc/custom-html.xsl @@ -0,0 +1,18 @@ + + + + + + + + + + + + + + + + diff --git a/doc/custom-man.xsl b/doc/custom-man.xsl new file mode 100644 index 0000000..a3408e6 --- /dev/null +++ b/doc/custom-man.xsl @@ -0,0 +1,9 @@ + + + + + + + + + diff --git a/doc/index.html b/doc/index.html new file mode 100644 index 0000000..9afc8b7 --- /dev/null +++ b/doc/index.html @@ -0,0 +1,21 @@ + + + The Linux-PAM Administration and Developer Guides + + +
+

The Linux-PAM Guides

+
+
+

+ Here is the documentation for Linux-PAM. As you will see it is + currently not complete. +

+

+
+ + \ No newline at end of file diff --git a/doc/man/Makefile.am b/doc/man/Makefile.am new file mode 100644 index 0000000..78c891d --- /dev/null +++ b/doc/man/Makefile.am @@ -0,0 +1,63 @@ +# +# Copyright (c) 2006, 2007 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) + +EXTRA_DIST = $(MANS) $(XMLS) + +man_MANS = pam.3 PAM.8 pam.8 pam.conf.5 pam.d.5 \ + pam_acct_mgmt.3 pam_authenticate.3 \ + pam_chauthtok.3 pam_close_session.3 pam_conv.3 \ + pam_end.3 pam_error.3 \ + pam_fail_delay.3 pam_xauth_data.3 \ + pam_get_authtok.3 pam_get_authtok_noverify.3 pam_get_authtok_verify.3 \ + pam_get_data.3 pam_get_item.3 pam_get_user.3 \ + pam_getenv.3 pam_getenvlist.3 \ + pam_info.3 \ + pam_open_session.3 \ + pam_prompt.3 pam_putenv.3 \ + pam_set_data.3 pam_set_item.3 pam_syslog.3 \ + pam_setcred.3 pam_sm_acct_mgmt.3 pam_sm_authenticate.3 \ + pam_sm_close_session.3 pam_sm_open_session.3 pam_sm_setcred.3 \ + pam_sm_chauthtok.3 pam_start.3 pam_strerror.3 \ + pam_verror.3 pam_vinfo.3 pam_vprompt.3 pam_vsyslog.3 \ + misc_conv.3 pam_misc_paste_env.3 pam_misc_drop_env.3 \ + pam_misc_setenv.3 +XMLS = pam.3.xml pam.8.xml \ + pam_acct_mgmt.3.xml pam_authenticate.3.xml \ + pam_chauthtok.3.xml pam_close_session.3.xml pam_conv.3.xml \ + pam_end.3.xml pam_error.3.xml \ + pam_fail_delay.3.xml pam_xauth_data.3 \ + pam_get_authtok.3.xml pam_get_data.3.xml pam_get_item.3.xml \ + pam_get_user.3.xml pam_getenv.3.xml pam_getenvlist.3.xml \ + pam_info.3.xml \ + pam_open_session.3.xml \ + pam_prompt.3.xml pam_putenv.3.xml \ + pam_set_data.3.xml pam_set_item.3.xml pam_syslog.3.xml \ + pam_setcred.3.xml pam_sm_acct_mgmt.3.xml pam_sm_authenticate.3.xml \ + pam_sm_close_session.3.xml pam_sm_open_session.3.xml \ + pam_sm_setcred.3.xml pam_start.3.xml pam_strerror.3.xml \ + pam_sm_chauthtok.3.xml \ + pam_item_types_std.inc.xml pam_item_types_ext.inc.xml \ + pam.conf-desc.xml pam.conf-dir.xml pam.conf-syntax.xml \ + misc_conv.3.xml pam_misc_paste_env.3.xml pam_misc_drop_env.3.xml \ + pam_misc_setenv.3.xml + +if ENABLE_REGENERATE_MAN +PAM.8: pam.8 +pam_get_authtok_noverify.3: pam_get_authtok.3 +pam_get_authtok_verify.3: pam_get_authtok.3 +pam_verror.3: pam_error.3 +pam_vinfo.3: pam_info.3 +pam_vprompt.3: pam_prompt.3 +pam_vsyslog.3: pam_syslog.3 +pam.d.5: pam.conf.5 + test -f $(srcdir)/pam\\.d.5 && mv $(srcdir)/pam\\.d.5 $(srcdir)/pam.d.5 ||: + +pam_get_item.3: pam_item_types_std.inc.xml pam_item_types_ext.inc.xml +pam_set_data.3: pam_item_types_std.inc.xml pam_item_types_ext.inc.xml +pam.conf.5: pam.conf-desc.xml pam.conf-dir.xml pam.conf-syntax.xml +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/doc/man/Makefile.in b/doc/man/Makefile.in new file mode 100644 index 0000000..42fd8d0 --- /dev/null +++ b/doc/man/Makefile.in @@ -0,0 +1,748 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives 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pam_prompt.3 pam_putenv.3 \ + pam_set_data.3 pam_set_item.3 pam_syslog.3 \ + pam_setcred.3 pam_sm_acct_mgmt.3 pam_sm_authenticate.3 \ + pam_sm_close_session.3 pam_sm_open_session.3 pam_sm_setcred.3 \ + pam_sm_chauthtok.3 pam_start.3 pam_strerror.3 \ + pam_verror.3 pam_vinfo.3 pam_vprompt.3 pam_vsyslog.3 \ + misc_conv.3 pam_misc_paste_env.3 pam_misc_drop_env.3 \ + pam_misc_setenv.3 + +XMLS = pam.3.xml pam.8.xml \ + pam_acct_mgmt.3.xml pam_authenticate.3.xml \ + pam_chauthtok.3.xml pam_close_session.3.xml pam_conv.3.xml \ + pam_end.3.xml pam_error.3.xml \ + pam_fail_delay.3.xml pam_xauth_data.3 \ + pam_get_authtok.3.xml pam_get_data.3.xml pam_get_item.3.xml \ + pam_get_user.3.xml pam_getenv.3.xml pam_getenvlist.3.xml \ + pam_info.3.xml \ + pam_open_session.3.xml \ + pam_prompt.3.xml pam_putenv.3.xml \ + pam_set_data.3.xml pam_set_item.3.xml pam_syslog.3.xml \ + pam_setcred.3.xml pam_sm_acct_mgmt.3.xml pam_sm_authenticate.3.xml \ + pam_sm_close_session.3.xml pam_sm_open_session.3.xml \ + 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b/doc/man/PAM.8 new file mode 100644 index 0000000..da3a5d6 --- /dev/null +++ b/doc/man/PAM.8 @@ -0,0 +1,149 @@ +'\" t +.\" Title: pam +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM" "8" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +PAM, pam \- Pluggable Authentication Modules for Linux +.SH "DESCRIPTION" +.PP +This manual is intended to offer a quick introduction to +\fBLinux\-PAM\fR\&. For more information the reader is directed to the +\fBLinux\-PAM system administrators\*(Aq guide\fR\&. +.PP +\fBLinux\-PAM\fR +is a system of libraries that handle the authentication tasks of applications (services) on the system\&. The library provides a stable general interface (Application Programming Interface \- API) that privilege granting programs (such as +\fBlogin\fR(1) +and +\fBsu\fR(1)) defer to to perform standard authentication tasks\&. +.PP +The principal feature of the PAM approach is that the nature of the authentication is dynamically configurable\&. In other words, the system administrator is free to choose how individual service\-providing applications will authenticate users\&. This dynamic configuration is set by the contents of the single +\fBLinux\-PAM\fR +configuration file +/etc/pam\&.conf\&. Alternatively, the configuration can be set by individual configuration files located in the +/etc/pam\&.d/ +directory\&. The presence of this directory will cause +\fBLinux\-PAM\fR +to +\fIignore\fR +/etc/pam\&.conf\&. +.PP +Vendor\-supplied PAM configuration files might be installed in the system directory +/usr/lib/pam\&.d/ +or a configurable vendor specific directory instead of the machine configuration directory +/etc/pam\&.d/\&. If no machine configuration file is found, the vendor\-supplied file is used\&. All files in +/etc/pam\&.d/ +override files with the same name in other directories\&. +.PP +From the point of view of the system administrator, for whom this manual is provided, it is not of primary importance to understand the internal behavior of the +\fBLinux\-PAM\fR +library\&. The important point to recognize is that the configuration file(s) +\fIdefine\fR +the connection between applications +(\fBservices\fR) and the pluggable authentication modules +(\fBPAM\fRs) that perform the actual authentication tasks\&. +.PP +\fBLinux\-PAM\fR +separates the tasks of +\fIauthentication\fR +into four independent management groups: +\fBaccount\fR +management; +\fBauth\fRentication management; +\fBpassword\fR +management; and +\fBsession\fR +management\&. (We highlight the abbreviations used for these groups in the configuration file\&.) +.PP +Simply put, these groups take care of different aspects of a typical user\*(Aqs request for a restricted service: +.PP +\fBaccount\fR +\- provide account verification types of service: has the user\*(Aqs password expired?; is this user permitted access to the requested service? +.PP +\fBauth\fRentication \- authenticate a user and set up user credentials\&. Typically this is via some challenge\-response request that the user must satisfy: if you are who you claim to be please enter your password\&. Not all authentications are of this type, there exist hardware based authentication schemes (such as the use of smart\-cards and biometric devices), with suitable modules, these may be substituted seamlessly for more standard approaches to authentication \- such is the flexibility of +\fBLinux\-PAM\fR\&. +.PP +\fBpassword\fR +\- this group\*(Aqs responsibility is the task of updating authentication mechanisms\&. Typically, such services are strongly coupled to those of the +\fBauth\fR +group\&. Some authentication mechanisms lend themselves well to being updated with such a function\&. Standard UN*X password\-based access is the obvious example: please enter a replacement password\&. +.PP +\fBsession\fR +\- this group of tasks cover things that should be done prior to a service being given and after it is withdrawn\&. Such tasks include the maintenance of audit trails and the mounting of the user\*(Aqs home directory\&. The +\fBsession\fR +management group is important as it provides both an opening and closing hook for modules to affect the services available to a user\&. +.SH "FILES" +.PP +/etc/pam\&.conf +.RS 4 +the configuration file +.RE +.PP +/etc/pam\&.d +.RS 4 +the +\fBLinux\-PAM\fR +configuration directory\&. Generally, if this directory is present, the +/etc/pam\&.conf +file is ignored\&. +.RE +.PP +/usr/lib/pam\&.d +.RS 4 +the +\fBLinux\-PAM\fR +vendor configuration directory\&. Files in +/etc/pam\&.d +override files with the same name in this directory\&. +.RE +.PP +/pam\&.d +.RS 4 +the +\fBLinux\-PAM\fR +vendor configuration directory\&. Files in +/etc/pam\&.d +and +/usr/lib/pam\&.d +override files with the same name in this directory\&. Only available if Linux\-PAM was compiled with vendordir enabled\&. +.RE +.SH "ERRORS" +.PP +Typically errors generated by the +\fBLinux\-PAM\fR +system of libraries, will be written to +\fBsyslog\fR(3)\&. +.SH "CONFORMING TO" +.PP +DCE\-RFC 86\&.0, October 1995\&. Contains additional features, but remains backwardly compatible with this RFC\&. +.SH "SEE ALSO" +.PP +\fBpam\fR(3), +\fBpam_authenticate\fR(3), +\fBpam_sm_setcred\fR(3), +\fBpam_strerror\fR(3), +\fBPAM\fR(8) diff --git a/doc/man/misc_conv.3 b/doc/man/misc_conv.3 new file mode 100644 index 0000000..8049e57 --- /dev/null +++ b/doc/man/misc_conv.3 @@ -0,0 +1,127 @@ +'\" t +.\" Title: misc_conv +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "MISC_CONV" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +misc_conv \- text based conversation function +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ misc_conv('u +.BI "int misc_conv(int\ " "num_msg" ", const\ struct\ pam_message\ **" "msgm" ", struct\ pam_response\ **" "response" ", void\ *" "appdata_ptr" ");" +.SH "DESCRIPTION" +.PP +The +\fBmisc_conv\fR +function is part of +\fBlibpam_misc\fR +and not of the standard +\fBlibpam\fR +library\&. This function will prompt the user with the appropriate comments and obtain the appropriate inputs as directed by authentication modules\&. +.PP +In addition to simply slotting into the appropriate +\fBpam_conv\fR(3), this function provides some time\-out facilities\&. The function exports five variables that can be used by an application programmer to limit the amount of time this conversation function will spend waiting for the user to type something\&. The five variables are as follows: +.PP +\fBtime_t\fR \fIpam_misc_conv_warn_time\fR; +.RS 4 +This variable contains the +\fItime\fR +(as returned by +\fBtime\fR(2)) that the user should be first warned that the clock is ticking\&. By default it has the value +0, which indicates that no such warning will be given\&. The application may set its value to sometime in the future, but this should be done prior to passing control to the +\fILinux\-PAM\fR +library\&. +.RE +.PP +\fBconst char *\fR\fIpam_misc_conv_warn_line\fR; +.RS 4 +Used in conjunction with +\fIpam_misc_conv_warn_time\fR, this variable is a pointer to the string that will be displayed when it becomes time to warn the user that the timeout is approaching\&. Its default value is a translated version of +\(lq\&.\&.\&.Time is running out\&.\&.\&.\(rq, but this can be changed by the application prior to passing control to +\fILinux\-PAM\fR\&. +.RE +.PP +\fBtime_t\fR \fIpam_misc_conv_die_time\fR; +.RS 4 +This variable contains the +\fItime\fR +(as returned by +\fBtime\fR(2)) that the will time out\&. By default it has the value +0, which indicates that the conversation function will not timeout\&. The application may set its value to sometime in the future, but this should be done prior to passing control to the +\fILinux\-PAM\fR +library\&. +.RE +.PP +\fBconst char *\fR\fIpam_misc_conv_die_line\fR; +.RS 4 +Used in conjunction with +\fIpam_misc_conv_die_time\fR, this variable is a pointer to the string that will be displayed when the conversation times out\&. Its default value is a translated version of +\(lq\&.\&.\&.Sorry, your time is up!\(rq, but this can be changed by the application prior to passing control to +\fILinux\-PAM\fR\&. +.RE +.PP +\fBint\fR \fIpam_misc_conv_died\fR; +.RS 4 +Following a return from the +\fILinux\-PAM\fR +library, the value of this variable indicates whether the conversation has timed out\&. A value of +1 +indicates the time\-out occurred\&. +.RE +.PP +The following two function pointers are available for supporting binary prompts in the conversation function\&. They are optimized for the current incarnation of the +\fBlibpamc\fR +library and are subject to change\&. +.PP +\fBint\fR \fI(*pam_binary_handler_fn)\fR(\fBvoid *\fR\fIappdata\fR, \fBpamc_bp_t *\fR\fIprompt_p\fR); +.RS 4 +This function pointer is initialized to +NULL +but can be filled with a function that provides machine\-machine (hidden) message exchange\&. It is intended for use with hidden authentication protocols such as RSA or Diffie\-Hellman key exchanges\&. (This is still under development\&.) +.RE +.PP +\fBint\fR \fI(*pam_binary_handler_free)\fR(\fBvoid *\fR\fIappdata\fR, \fBpamc_bp_t *\fR\fIdelete_me\fR); +.RS 4 +This function pointer is initialized to +\fBPAM_BP_RENEW(delete_me, 0, 0)\fR, but can be redefined as desired by the application\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_conv\fR(3), +\fBpam\fR(8) +.SH "STANDARDS" +.PP +The +\fBmisc_conv\fR +function is part of the +\fBlibpam_misc\fR +Library and not defined in any standard\&. diff --git a/doc/man/misc_conv.3.xml b/doc/man/misc_conv.3.xml new file mode 100644 index 0000000..d902ba8 --- /dev/null +++ b/doc/man/misc_conv.3.xml @@ -0,0 +1,188 @@ + + + + + + + misc_conv + 3 + Linux-PAM Manual + + + + misc_conv + text based conversation function + + + + + + + #include <security/pam_misc.h> + + int misc_conv + int num_msg + const struct pam_message **msgm + struct pam_response **response + void *appdata_ptr + + + + + + DESCRIPTION + + The misc_conv function is part of + libpam_misc and not of the standard + libpam library. This function will prompt + the user with the appropriate comments and obtain the appropriate + inputs as directed by authentication modules. + + + In addition to simply slotting into the appropriate + pam_conv3 + , this function provides some time-out facilities. + The function exports five variables that can be used by an + application programmer to limit the amount of time this conversation + function will spend waiting for the user to type something. The + five variables are as follows: + + + + time_t pam_misc_conv_warn_time; + + + This variable contains the time (as + returned by + time2 + ) that the user should be first warned that + the clock is ticking. By default it has the value + 0, which indicates that no such + warning will be given. The application may set its value to + sometime in the future, but this should be done prior to + passing control to the Linux-PAM library. + + + + + + const char *pam_misc_conv_warn_line; + + + Used in conjunction with + pam_misc_conv_warn_time, this variable is + a pointer to the string that will be displayed when it becomes + time to warn the user that the timeout is approaching. Its + default value is a translated version of + ...Time is running out..., but this can be + changed by the application prior to passing control to + Linux-PAM. + + + + + + time_t pam_misc_conv_die_time; + + + This variable contains the time (as + returned by + time2 + ) that the will time out. By default it has + the value 0, which indicates that + the conversation function will not timeout. The application + may set its value to sometime in the future, but this should + be done prior to passing control to the + Linux-PAM library. + + + + + + const char *pam_misc_conv_die_line; + + + Used in conjunction with + pam_misc_conv_die_time, this variable is + a pointer to the string that will be displayed when the + conversation times out. Its default value is a translated + version of + ...Sorry, your time is up!, but this can be + changed by the application prior to passing control to + Linux-PAM. + + + + + + int pam_misc_conv_died; + + + Following a return from the Linux-PAM + library, the value of this variable indicates whether the + conversation has timed out. A value of + 1 indicates the time-out occurred. + + + + + + The following two function pointers are available for supporting + binary prompts in the conversation function. They are optimized + for the current incarnation of the libpamc + library and are subject to change. + + + + + int (*pam_binary_handler_fn)(void *appdata, pamc_bp_t *prompt_p); + + + + This function pointer is initialized to + NULL but can be filled with a + function that provides machine-machine (hidden) message + exchange. It is intended for use with hidden authentication + protocols such as RSA or Diffie-Hellman key exchanges. + (This is still under development.) + + + + + + int (*pam_binary_handler_free)(void *appdata, pamc_bp_t *delete_me); + + + + This function pointer is initialized to + PAM_BP_RENEW(delete_me, 0, 0), but can be + redefined as desired by the application. + + + + + + + + SEE ALSO + + + pam_conv3 + , + + pam8 + + + + + + STANDARDS + + The misc_conv function is part of the + libpam_misc Library and not defined in any + standard. + + + + diff --git a/doc/man/pam.3 b/doc/man/pam.3 new file mode 100644 index 0000000..63f3e76 --- /dev/null +++ b/doc/man/pam.3 @@ -0,0 +1,302 @@ +'\" t +.\" Title: pam +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam \- Pluggable Authentication Modules Library +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.sp +.ft B +.nf +#include +.fi +.ft +.sp +.ft B +.nf +#include +.fi +.ft +.SH "DESCRIPTION" +.PP +\fBPAM\fR +is a system of libraries that handle the authentication tasks of applications (services) on the system\&. The library provides a stable general interface (Application Programming Interface \- API) that privilege granting programs (such as +\fBlogin\fR(1) +and +\fBsu\fR(1)) defer to to perform standard authentication tasks\&. +.SS "Initialization and Cleanup" +.PP +The +\fBpam_start\fR(3) +function creates the PAM context and initiates the PAM transaction\&. It is the first of the PAM functions that needs to be called by an application\&. The transaction state is contained entirely within the structure identified by this handle, so it is possible to have multiple transactions in parallel\&. But it is not possible to use the same handle for different transactions, a new one is needed for every new context\&. +.PP +The +\fBpam_end\fR(3) +function terminates the PAM transaction and is the last function an application should call in the PAM context\&. Upon return the handle pamh is no longer valid and all memory associated with it will be invalid\&. It can be called at any time to terminate a PAM transaction\&. +.SS "Authentication" +.PP +The +\fBpam_authenticate\fR(3) +function is used to authenticate the user\&. The user is required to provide an authentication token depending upon the authentication service, usually this is a password, but could also be a finger print\&. +.PP +The +\fBpam_setcred\fR(3) +function manages the user\*(Aqs credentials\&. +.SS "Account Management" +.PP +The +\fBpam_acct_mgmt\fR(3) +function is used to determine if the user\*(Aqs account is valid\&. It checks for authentication token and account expiration and verifies access restrictions\&. It is typically called after the user has been authenticated\&. +.SS "Password Management" +.PP +The +\fBpam_chauthtok\fR(3) +function is used to change the authentication token for a given user on request or because the token has expired\&. +.SS "Session Management" +.PP +The +\fBpam_open_session\fR(3) +function sets up a user session for a previously successful authenticated user\&. The session should later be terminated with a call to +\fBpam_close_session\fR(3)\&. +.SS "Conversation" +.PP +The PAM library uses an application\-defined callback to allow a direct communication between a loaded module and the application\&. This callback is specified by the +\fIstruct pam_conv\fR +passed to +\fBpam_start\fR(3) +at the start of the transaction\&. See +\fBpam_conv\fR(3) +for details\&. +.SS "Data Objects" +.PP +The +\fBpam_set_item\fR(3) +and +\fBpam_get_item\fR(3) +functions allows applications and PAM service modules to set and retrieve PAM information\&. +.PP +The +\fBpam_get_user\fR(3) +function is the preferred method to obtain the username\&. +.PP +The +\fBpam_set_data\fR(3) +and +\fBpam_get_data\fR(3) +functions allows PAM service modules to set and retrieve free\-form data from one invocation to another\&. +.SS "Environment and Error Management" +.PP +The +\fBpam_putenv\fR(3), +\fBpam_getenv\fR(3) +and +\fBpam_getenvlist\fR(3) +functions are for maintaining a set of private environment variables\&. +.PP +The +\fBpam_strerror\fR(3) +function returns a pointer to a string describing the given PAM error code\&. +.SH "RETURN VALUES" +.PP +The following return codes are known by PAM: +.PP +PAM_ABORT +.RS 4 +Critical error, immediate abort\&. +.RE +.PP +PAM_ACCT_EXPIRED +.RS 4 +User account has expired\&. +.RE +.PP +PAM_AUTHINFO_UNAVAIL +.RS 4 +Authentication service cannot retrieve authentication info\&. +.RE +.PP +PAM_AUTHTOK_DISABLE_AGING +.RS 4 +Authentication token aging disabled\&. +.RE +.PP +PAM_AUTHTOK_ERR +.RS 4 +Authentication token manipulation error\&. +.RE +.PP +PAM_AUTHTOK_EXPIRED +.RS 4 +Authentication token expired\&. +.RE +.PP +PAM_AUTHTOK_LOCK_BUSY +.RS 4 +Authentication token lock busy\&. +.RE +.PP +PAM_AUTHTOK_RECOVERY_ERR +.RS 4 +Authentication information cannot be recovered\&. +.RE +.PP +PAM_AUTH_ERR +.RS 4 +Authentication failure\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_CONV_ERR +.RS 4 +Conversation failure\&. +.RE +.PP +PAM_CRED_ERR +.RS 4 +Failure setting user credentials\&. +.RE +.PP +PAM_CRED_EXPIRED +.RS 4 +User credentials expired\&. +.RE +.PP +PAM_CRED_INSUFFICIENT +.RS 4 +Insufficient credentials to access authentication data\&. +.RE +.PP +PAM_CRED_UNAVAIL +.RS 4 +Authentication service cannot retrieve user credentials\&. +.RE +.PP +PAM_IGNORE +.RS 4 +The return value should be ignored by PAM dispatch\&. +.RE +.PP +PAM_MAXTRIES +.RS 4 +Have exhausted maximum number of retries for service\&. +.RE +.PP +PAM_MODULE_UNKNOWN +.RS 4 +Module is unknown\&. +.RE +.PP +PAM_NEW_AUTHTOK_REQD +.RS 4 +Authentication token is no longer valid; new one required\&. +.RE +.PP +PAM_NO_MODULE_DATA +.RS 4 +No module specific data is present\&. +.RE +.PP +PAM_OPEN_ERR +.RS 4 +Failed to load module\&. +.RE +.PP +PAM_PERM_DENIED +.RS 4 +Permission denied\&. +.RE +.PP +PAM_SERVICE_ERR +.RS 4 +Error in service module\&. +.RE +.PP +PAM_SESSION_ERR +.RS 4 +Cannot make/remove an entry for the specified session\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Success\&. +.RE +.PP +PAM_SYMBOL_ERR +.RS 4 +Symbol not found\&. +.RE +.PP +PAM_SYSTEM_ERR +.RS 4 +System error\&. +.RE +.PP +PAM_TRY_AGAIN +.RS 4 +Failed preliminary check by password service\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +User not known to the underlying authentication module\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_acct_mgmt\fR(3), +\fBpam_authenticate\fR(3), +\fBpam_chauthtok\fR(3), +\fBpam_close_session\fR(3), +\fBpam_conv\fR(3), +\fBpam_end\fR(3), +\fBpam_get_data\fR(3), +\fBpam_getenv\fR(3), +\fBpam_getenvlist\fR(3), +\fBpam_get_item\fR(3), +\fBpam_get_user\fR(3), +\fBpam_open_session\fR(3), +\fBpam_putenv\fR(3), +\fBpam_set_data\fR(3), +\fBpam_set_item\fR(3), +\fBpam_setcred\fR(3), +\fBpam_start\fR(3), +\fBpam_strerror\fR(3) +.SH "NOTES" +.PP +The +\fIlibpam\fR +interfaces are only thread\-safe if each thread within the multithreaded application uses its own PAM handle\&. diff --git a/doc/man/pam.3.xml b/doc/man/pam.3.xml new file mode 100644 index 0000000..0b1efcc --- /dev/null +++ b/doc/man/pam.3.xml @@ -0,0 +1,439 @@ + + + + + + pam + 3 + Linux-PAM Manual + + + + pam + Pluggable Authentication Modules Library + + + + + #include <security/pam_appl.h> + #include <security/pam_modules.h> + #include <security/pam_ext.h> + + + + + DESCRIPTION + + PAM is a system of libraries + that handle the authentication tasks of applications (services) + on the system. The library provides a stable general interface + (Application Programming Interface - API) that privilege granting + programs (such as + + login1 + and + su1 + ) + defer to to perform standard authentication tasks. + + + + Initialization and Cleanup + + The + + pam_start3 + function creates the PAM context and initiates the + PAM transaction. It is the first of the PAM functions that needs to + be called by an application. The transaction state is contained + entirely within the structure identified by this handle, so it is + possible to have multiple transactions in parallel. But it is not + possible to use the same handle for different transactions, a new + one is needed for every new context. + + + The + + pam_end3 + function terminates the PAM transaction and is the last + function an application should call in the PAM context. Upon return + the handle pamh is no longer valid and all memory associated with it + will be invalid. It can be called at any time to terminate a PAM + transaction. + + + + + Authentication + + The + + pam_authenticate3 + + function is used to + authenticate the user. The user is required to provide an + authentication token depending upon the authentication service, + usually this is a password, but could also be a finger print. + + + The + + pam_setcred3 + + function manages the user's credentials. + + + + + Account Management + + The + + pam_acct_mgmt3 + function is used to determine if the user's account is + valid. It checks for authentication token and account expiration and + verifies access restrictions. It is typically called after the user + has been authenticated. + + + + + Password Management + + The + + pam_chauthtok3 + function is used to change the authentication token + for a given user on request or because the token has expired. + + + + + Session Management + + The + + pam_open_session3 + function sets up a user session for a previously + successful authenticated user. The session should later be terminated + with a call to + + pam_close_session3 + . + + + + + Conversation + + The PAM library uses an application-defined callback to allow + a direct communication between a loaded module and the application. + This callback is specified by the + struct pam_conv passed to + + pam_start3 + at the start of the transaction. See + + pam_conv3 + + for details. + + + + + Data Objects + + The + + pam_set_item3 + + and + + pam_get_item3 + + functions allows applications and PAM service modules to set and + retrieve PAM information. + + + The + + pam_get_user3 + + function is the preferred method to obtain the username. + + + The + + pam_set_data3 + + and + + pam_get_data3 + + functions allows PAM service modules to set and retrieve free-form + data from one invocation to another. + + + + + Environment and Error Management + + The + + pam_putenv3 + , + + pam_getenv3 + and + + pam_getenvlist3 + + functions are for maintaining a set of private environment variables. + + + + The + + pam_strerror3 + function returns a pointer to a string describing the + given PAM error code. + + + + + + RETURN VALUES + + The following return codes are known by PAM: + + + + PAM_ABORT + + Critical error, immediate abort. + + + + PAM_ACCT_EXPIRED + + User account has expired. + + + + PAM_AUTHINFO_UNAVAIL + + + Authentication service cannot retrieve authentication info. + + + + + PAM_AUTHTOK_DISABLE_AGING + + Authentication token aging disabled. + + + + PAM_AUTHTOK_ERR + + Authentication token manipulation error. + + + + PAM_AUTHTOK_EXPIRED + + Authentication token expired. + + + + PAM_AUTHTOK_LOCK_BUSY + + Authentication token lock busy. + + + + PAM_AUTHTOK_RECOVERY_ERR + + Authentication information cannot be recovered. + + + + PAM_AUTH_ERR + + Authentication failure. + + + + PAM_BUF_ERR + + Memory buffer error. + + + + PAM_CONV_ERR + + Conversation failure. + + + + PAM_CRED_ERR + + Failure setting user credentials. + + + + PAM_CRED_EXPIRED + + User credentials expired. + + + + PAM_CRED_INSUFFICIENT + + Insufficient credentials to access authentication data. + + + + PAM_CRED_UNAVAIL + + Authentication service cannot retrieve user credentials. + + + + PAM_IGNORE + + The return value should be ignored by PAM dispatch. + + + + PAM_MAXTRIES + + Have exhausted maximum number of retries for service. + + + + PAM_MODULE_UNKNOWN + + Module is unknown. + + + + PAM_NEW_AUTHTOK_REQD + + + Authentication token is no longer valid; new one required. + + + + + PAM_NO_MODULE_DATA + + No module specific data is present. + + + + PAM_OPEN_ERR + + Failed to load module. + + + + PAM_PERM_DENIED + + Permission denied. + + + + PAM_SERVICE_ERR + + Error in service module. + + + + PAM_SESSION_ERR + + Cannot make/remove an entry for the specified session. + + + + PAM_SUCCESS + + Success. + + + + PAM_SYMBOL_ERR + + Symbol not found. + + + + PAM_SYSTEM_ERR + + System error. + + + + PAM_TRY_AGAIN + + Failed preliminary check by password service. + + + + PAM_USER_UNKNOWN + + User not known to the underlying authentication module. + + + + + + SEE ALSO + + + pam_acct_mgmt3 + , + pam_authenticate3 + , + pam_chauthtok3 + , + pam_close_session3 + , + pam_conv3 + , + pam_end3 + , + pam_get_data3 + , + pam_getenv3 + , + pam_getenvlist3 + , + pam_get_item3 + , + pam_get_user3 + , + pam_open_session3 + , + pam_putenv3 + , + pam_set_data3 + , + pam_set_item3 + , + pam_setcred3 + , + pam_start3 + , + pam_strerror3 + + + + NOTES + + The libpam interfaces are only thread-safe if each + thread within the multithreaded application uses its own PAM handle. + + + diff --git a/doc/man/pam.8 b/doc/man/pam.8 new file mode 100644 index 0000000..da9773b --- /dev/null +++ b/doc/man/pam.8 @@ -0,0 +1 @@ +.so man8/PAM.8 diff --git a/doc/man/pam.8.xml b/doc/man/pam.8.xml new file mode 100644 index 0000000..464af0e --- /dev/null +++ b/doc/man/pam.8.xml @@ -0,0 +1,216 @@ + + + + + + + pam + 8 + Linux-PAM Manual + + + + PAM + pam + Pluggable Authentication Modules for Linux + + + + DESCRIPTION + + This manual is intended to offer a quick introduction to + Linux-PAM. For more information + the reader is directed to the + Linux-PAM system administrators' guide. + + + + Linux-PAM is a system of libraries + that handle the authentication tasks of applications (services) on + the system. The library provides a stable general interface + (Application Programming Interface - API) that privilege granting + programs (such as + login1 + and + su1 + ) defer to to perform standard authentication tasks. + + + + The principal feature of the PAM approach is that the nature of the + authentication is dynamically configurable. In other words, the + system administrator is free to choose how individual + service-providing applications will authenticate users. This dynamic + configuration is set by the contents of the single + Linux-PAM configuration file + /etc/pam.conf. Alternatively, the configuration + can be set by individual configuration files located in the + /etc/pam.d/ directory. The presence of this + directory will cause Linux-PAM to + ignore /etc/pam.conf. + + + + Vendor-supplied PAM configuration files might be installed in + the system directory /usr/lib/pam.d/ or + a configurable vendor specific directory instead + of the machine configuration directory /etc/pam.d/. + If no machine configuration file is found, the vendor-supplied file + is used. All files in /etc/pam.d/ override + files with the same name in other directories. + + +From the point of view of the system administrator, for whom this +manual is provided, it is not of primary importance to understand the +internal behavior of the +Linux-PAM +library. The important point to recognize is that the configuration +file(s) +define +the connection between applications +(services) +and the pluggable authentication modules +(PAMs) +that perform the actual authentication tasks. + + +Linux-PAM +separates the tasks of +authentication +into four independent management groups: +account management; +authentication management; +password management; +and +session management. +(We highlight the abbreviations used for these groups in the +configuration file.) + + +Simply put, these groups take care of different aspects of a typical +user's request for a restricted service: + + +account - +provide account verification types of service: has the user's password +expired?; is this user permitted access to the requested service? + + +authentication - +authenticate a user and set up user credentials. Typically this is via +some challenge-response request that the user must satisfy: if you are +who you claim to be please enter your password. Not all authentications +are of this type, there exist hardware based authentication schemes +(such as the use of smart-cards and biometric devices), with suitable +modules, these may be substituted seamlessly for more standard +approaches to authentication - such is the flexibility of +Linux-PAM. + + +password - +this group's responsibility is the task of updating authentication +mechanisms. Typically, such services are strongly coupled to those of +the +auth +group. Some authentication mechanisms lend themselves well to being +updated with such a function. Standard UN*X password-based access is +the obvious example: please enter a replacement password. + + +session - +this group of tasks cover things that should be done prior to a +service being given and after it is withdrawn. Such tasks include the +maintenance of audit trails and the mounting of the user's home +directory. The +session +management group is important as it provides both an opening and +closing hook for modules to affect the services available to a user. + + + + + FILES + + + /etc/pam.conf + + the configuration file + + + + /etc/pam.d + + + the Linux-PAM configuration + directory. Generally, if this directory is present, the + /etc/pam.conf file is ignored. + + + + + /usr/lib/pam.d + + + the Linux-PAM vendor configuration + directory. Files in /etc/pam.d override + files with the same name in this directory. + + + + + %vendordir%/pam.d + + + the Linux-PAM vendor configuration + directory. Files in /etc/pam.d and + /usr/lib/pam.d override files with the same + name in this directory. Only available if Linux-PAM was compiled + with vendordir enabled. + + + + + + + + ERRORS + + Typically errors generated by the + Linux-PAM system of libraries, will + be written to + syslog3 + . + + + + + CONFORMING TO + + DCE-RFC 86.0, October 1995. + Contains additional features, but remains backwardly compatible + with this RFC. + + + + + SEE ALSO + + + pam3 + , + + pam_authenticate3 + , + + pam_sm_setcred3 + , + + pam_strerror3 + , + + PAM8 + + + + diff --git a/doc/man/pam.conf-desc.xml b/doc/man/pam.conf-desc.xml new file mode 100644 index 0000000..909dcdb --- /dev/null +++ b/doc/man/pam.conf-desc.xml @@ -0,0 +1,21 @@ + + +
+ + When a PAM aware privilege granting application + is started, it activates its attachment to the PAM-API. This + activation performs a number of tasks, the most important being the + reading of the configuration file(s): /etc/pam.conf. + Alternatively, this may be the contents of the + /etc/pam.d/ directory. The presence of this + directory will cause Linux-PAM to ignore + /etc/pam.conf. + + + These files list the PAMs that will do the + authentication tasks required by this service, and the appropriate + behavior of the PAM-API in the event that individual + PAMs fail. + +
diff --git a/doc/man/pam.conf-dir.xml b/doc/man/pam.conf-dir.xml new file mode 100644 index 0000000..8446cf3 --- /dev/null +++ b/doc/man/pam.conf-dir.xml @@ -0,0 +1,30 @@ + + +
+ + More flexible than the single configuration file is it to + configure libpam via the contents of the + /etc/pam.d/ directory. In this case the + directory is filled with files each of which has a filename + equal to a service-name (in lower-case): it is the personal + configuration file for the named service. + + + + The syntax of each file in /etc/pam.d/ is similar to that of the + /etc/pam.conf file and is made up of lines + of the following form: + + + +type control module-path module-arguments + + + + The only difference being that the service-name is not present. The + service-name is of course the name of the given configuration file. + For example, /etc/pam.d/login contains the + configuration for the login service. + +
diff --git a/doc/man/pam.conf-syntax.xml b/doc/man/pam.conf-syntax.xml new file mode 100644 index 0000000..5112f93 --- /dev/null +++ b/doc/man/pam.conf-syntax.xml @@ -0,0 +1,427 @@ + + + +
+ + The syntax of the /etc/pam.conf + configuration file is as follows. The file is made up of a list + of rules, each rule is typically placed on a single line, + but may be extended with an escaped end of line: `\<LF>'. + Comments are preceded with `#' marks and extend to the next end of + line. + + + + The format of each rule is a space separated collection of tokens, + the first three being case-insensitive: + + + + service type control module-path module-arguments + + + + The syntax of files contained in the /etc/pam.d/ + directory, are identical except for the absence of any + service field. In this case, the + service is the name of the file in the + /etc/pam.d/ directory. This filename must be + in lower case. + + + + An important feature of PAM, is that a + number of rules may be stacked to combine + the services of a number of PAMs for a given authentication task. + + + + The service is typically the familiar name of + the corresponding application: login and + su are good examples. The + service-name, other, + is reserved for giving default rules. + Only lines that mention the current service (or in the absence + of such, the other entries) will be associated + with the given service-application. + + + + The type is the management group that the rule + corresponds to. It is used to specify which of the management groups + the subsequent module is to be associated with. Valid entries are: + + + + account + + + this module type performs non-authentication based account + management. It is typically used to restrict/permit access + to a service based on the time of day, currently available + system resources (maximum number of users) or perhaps the + location of the applicant user -- 'root' login only on the + console. + + + + + auth + + + this module type provides two aspects of authenticating + the user. Firstly, it establishes that the user is who they + claim to be, by instructing the application to prompt the user + for a password or other means of identification. Secondly, the + module can grant group membership or other privileges through + its credential granting properties. + + + + + password + + + this module type is required for updating the authentication + token associated with the user. Typically, there is one module + for each 'challenge/response' based authentication (auth) type. + + + + + session + + + this module type is associated with doing things that need to + be done for the user before/after they can be given service. + Such things include the logging of information concerning the + opening/closing of some data exchange with a user, mounting + directories, etc. + + + + + + If the type value from the list above is prepended + with a - character the PAM library will not log to + the system log if it is not possible to load the module because it is + missing in the system. This can be useful especially for modules which + are not always installed on the system and are not required for correct + authentication and authorization of the login session. + + + + The third field, control, indicates the + behavior of the PAM-API should the module fail to succeed in its + authentication task. There are two types of syntax for this control + field: the simple one has a single simple keyword; the more + complicated one involves a square-bracketed selection of + value=action pairs. + + + + For the simple (historical) syntax valid control + values are: + + + + required + + + failure of such a PAM will ultimately lead to the PAM-API + returning failure but only after the remaining + stacked modules (for this + service and type) + have been invoked. + + + + + requisite + + + like required, however, in the case that + such a module returns a failure, control is directly returned + to the application or to the superior PAM stack. + The return value is that associated with + the first required or requisite module to fail. Note, this flag + can be used to protect against the possibility of a user getting + the opportunity to enter a password over an unsafe medium. It is + conceivable that such behavior might inform an attacker of valid + accounts on a system. This possibility should be weighed against + the not insignificant concerns of exposing a sensitive password + in a hostile environment. + + + + + sufficient + + + if such a module succeeds and no prior required + module has failed the PAM framework returns success to + the application or to the superior PAM stack immediately without + calling any further modules in the stack. A failure of a + sufficient module is ignored and processing + of the PAM module stack continues unaffected. + + + + + optional + + + the success or failure of this module is only important if + it is the only module in the stack associated with this + service+type. + + + + + include + + + include all lines of given type from the configuration + file specified as an argument to this control. + + + + + substack + + + include all lines of given type from the configuration + file specified as an argument to this control. This differs from + include in that evaluation of the + done and die actions + in a substack does not cause skipping the rest of the complete + module stack, but only of the substack. Jumps in a substack + also can not make evaluation jump out of it, and the whole substack + is counted as one module when the jump is done in a parent stack. + The reset action will reset the state of a + module stack to the state it was in as of beginning of the substack + evaluation. + + + + + + + For the more complicated syntax valid control + values have the following form: + + + [value1=action1 value2=action2 ...] + + + + Where valueN corresponds to the return code + from the function invoked in the module for which the line is + defined. It is selected from one of these: + success, open_err, + symbol_err, service_err, + system_err, buf_err, + perm_denied, auth_err, + cred_insufficient, + authinfo_unavail, + user_unknown, maxtries, + new_authtok_reqd, + acct_expired, session_err, + cred_unavail, cred_expired, + cred_err, no_module_data, + conv_err, authtok_err, + authtok_recover_err, + authtok_lock_busy, + authtok_disable_aging, + try_again, ignore, + abort, authtok_expired, + module_unknown, bad_item, + conv_again, incomplete, + and default. + + + The last of these, default, implies 'all + valueN's not mentioned explicitly. Note, the + full list of PAM errors is available in + /usr/include/security/_pam_types.h. The + actionN can take one of the following forms: + + + + ignore + + + when used with a stack of modules, the module's return + status will not contribute to the return code the application + obtains. + + + + + bad + + + this action indicates that the return code should be thought + of as indicative of the module failing. If this module is the + first in the stack to fail, its status value will be used for + that of the whole stack. This is the default action for + all return codes. + + + + + die + + + equivalent to bad with the side effect of + terminating the module stack and PAM immediately returning to + the application. + + + + + ok + + + this tells PAM that the administrator thinks this return code + should contribute directly to the return code of the full + stack of modules. In other words, if the former state of the + stack would lead to a return of PAM_SUCCESS, + the module's return code will override this value. Note, if + the former state of the stack holds some value that is + indicative of a modules failure, this 'ok' value will not be + used to override that value. + + + + + done + + + equivalent to ok with the side effect of + terminating the module stack and PAM immediately returning to the + application unless there was a non-ignored module failure before. + + + + + N (an unsigned integer) + + + jump over the next N modules in the stack. + Note that N equal to 0 is not allowed, + it would be treated as ignore in such case. + The side effect depends on the PAM function call: + for pam_authenticate, + pam_acct_mgmt, + pam_chauthtok, and + pam_open_session + it is ignore; + for pam_setcred and + pam_close_session it is + one of ignore, ok, + or bad depending on the module's return value. + + + + + reset + + + clear all memory of the state of the module stack and + start again with the next stacked module. + + + + + + + If a return code's action is not specifically defined via a + valueN token, and the + default value is not specified, that return + code's action defaults to bad. + + + + Each of the four keywords: required; requisite; sufficient; and + optional, have an equivalent expression in terms of the [...] + syntax. They are as follows: + + + + required + + + [success=ok new_authtok_reqd=ok ignore=ignore default=bad] + + + + + requisite + + + [success=ok new_authtok_reqd=ok ignore=ignore default=die] + + + + + sufficient + + + [success=done new_authtok_reqd=done default=ignore] + + + + + optional + + + [success=ok new_authtok_reqd=ok default=ignore] + + + + + + + module-path is either the full filename + of the PAM to be used by the application (it begins with a '/'), + or a relative pathname from the default module location: + /lib/security/ or + /lib64/security/, depending on the architecture. + + + + module-arguments are a space separated list + of tokens that can be used to modify the specific behavior of the + given PAM. Such arguments will be documented for each individual + module. Note, if you wish to include spaces in an argument, you + should surround that argument with square brackets. + + + squid auth required pam_mysql.so user=passwd_query passwd=mada \ + db=eminence [query=select user_name from internet_service \ + where user_name='%u' and password=PASSWORD('%p') and \ + service='web_proxy'] + + + When using this convention, you can include `[' characters + inside the string, and if you wish to include a `]' character + inside the string that will survive the argument parsing, you + should use `\]'. In other words: + + + [..[..\]..] --> ..[..].. + + + + Any line in (one of) the configuration file(s), that is not formatted + correctly, will generally tend (erring on the side of caution) to make + the authentication process fail. A corresponding error is written to + the system log files with a call to + + syslog3 + . + + +
diff --git a/doc/man/pam.conf.5 b/doc/man/pam.conf.5 new file mode 100644 index 0000000..703bcf6 --- /dev/null +++ b/doc/man/pam.conf.5 @@ -0,0 +1,382 @@ +'\" t +.\" Title: pam.conf +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM\&.CONF" "5" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam.conf, pam.d \- PAM configuration files +.SH "DESCRIPTION" +.PP +When a +\fIPAM\fR +aware privilege granting application is started, it activates its attachment to the PAM\-API\&. This activation performs a number of tasks, the most important being the reading of the configuration file(s): +/etc/pam\&.conf\&. Alternatively, this may be the contents of the +/etc/pam\&.d/ +directory\&. The presence of this directory will cause Linux\-PAM to ignore +/etc/pam\&.conf\&. +.PP +These files list the +\fIPAM\fRs that will do the authentication tasks required by this service, and the appropriate behavior of the PAM\-API in the event that individual +\fIPAM\fRs fail\&. +.PP +The syntax of the +/etc/pam\&.conf +configuration file is as follows\&. The file is made up of a list of rules, each rule is typically placed on a single line, but may be extended with an escaped end of line: `\e\*(Aq\&. Comments are preceded with `#\*(Aq marks and extend to the next end of line\&. +.PP +The format of each rule is a space separated collection of tokens, the first three being case\-insensitive: +.PP +\fB service type control module\-path module\-arguments\fR +.PP +The syntax of files contained in the +/etc/pam\&.d/ +directory, are identical except for the absence of any +\fIservice\fR +field\&. In this case, the +\fIservice\fR +is the name of the file in the +/etc/pam\&.d/ +directory\&. This filename must be in lower case\&. +.PP +An important feature of +\fIPAM\fR, is that a number of rules may be +\fIstacked\fR +to combine the services of a number of PAMs for a given authentication task\&. +.PP +The +\fIservice\fR +is typically the familiar name of the corresponding application: +\fIlogin\fR +and +\fIsu\fR +are good examples\&. The +\fIservice\fR\-name, +\fIother\fR, is reserved for giving +\fIdefault\fR +rules\&. Only lines that mention the current service (or in the absence of such, the +\fIother\fR +entries) will be associated with the given service\-application\&. +.PP +The +\fItype\fR +is the management group that the rule corresponds to\&. It is used to specify which of the management groups the subsequent module is to be associated with\&. Valid entries are: +.PP +account +.RS 4 +this module type performs non\-authentication based account management\&. It is typically used to restrict/permit access to a service based on the time of day, currently available system resources (maximum number of users) or perhaps the location of the applicant user \-\- \*(Aqroot\*(Aq login only on the console\&. +.RE +.PP +auth +.RS 4 +this module type provides two aspects of authenticating the user\&. Firstly, it establishes that the user is who they claim to be, by instructing the application to prompt the user for a password or other means of identification\&. Secondly, the module can grant group membership or other privileges through its credential granting properties\&. +.RE +.PP +password +.RS 4 +this module type is required for updating the authentication token associated with the user\&. Typically, there is one module for each \*(Aqchallenge/response\*(Aq based authentication (auth) type\&. +.RE +.PP +session +.RS 4 +this module type is associated with doing things that need to be done for the user before/after they can be given service\&. Such things include the logging of information concerning the opening/closing of some data exchange with a user, mounting directories, etc\&. +.RE +.PP +If the +\fItype\fR +value from the list above is prepended with a +\fI\-\fR +character the PAM library will not log to the system log if it is not possible to load the module because it is missing in the system\&. This can be useful especially for modules which are not always installed on the system and are not required for correct authentication and authorization of the login session\&. +.PP +The third field, +\fIcontrol\fR, indicates the behavior of the PAM\-API should the module fail to succeed in its authentication task\&. There are two types of syntax for this control field: the simple one has a single simple keyword; the more complicated one involves a square\-bracketed selection of +\fIvalue=action\fR +pairs\&. +.PP +For the simple (historical) syntax valid +\fIcontrol\fR +values are: +.PP +required +.RS 4 +failure of such a PAM will ultimately lead to the PAM\-API returning failure but only after the remaining +\fIstacked\fR +modules (for this +\fIservice\fR +and +\fItype\fR) have been invoked\&. +.RE +.PP +requisite +.RS 4 +like +\fIrequired\fR, however, in the case that such a module returns a failure, control is directly returned to the application or to the superior PAM stack\&. The return value is that associated with the first required or requisite module to fail\&. Note, this flag can be used to protect against the possibility of a user getting the opportunity to enter a password over an unsafe medium\&. It is conceivable that such behavior might inform an attacker of valid accounts on a system\&. This possibility should be weighed against the not insignificant concerns of exposing a sensitive password in a hostile environment\&. +.RE +.PP +sufficient +.RS 4 +if such a module succeeds and no prior +\fIrequired\fR +module has failed the PAM framework returns success to the application or to the superior PAM stack immediately without calling any further modules in the stack\&. A failure of a +\fIsufficient\fR +module is ignored and processing of the PAM module stack continues unaffected\&. +.RE +.PP +optional +.RS 4 +the success or failure of this module is only important if it is the only module in the stack associated with this +\fIservice\fR+\fItype\fR\&. +.RE +.PP +include +.RS 4 +include all lines of given type from the configuration file specified as an argument to this control\&. +.RE +.PP +substack +.RS 4 +include all lines of given type from the configuration file specified as an argument to this control\&. This differs from +\fIinclude\fR +in that evaluation of the +\fIdone\fR +and +\fIdie\fR +actions in a substack does not cause skipping the rest of the complete module stack, but only of the substack\&. Jumps in a substack also can not make evaluation jump out of it, and the whole substack is counted as one module when the jump is done in a parent stack\&. The +\fIreset\fR +action will reset the state of a module stack to the state it was in as of beginning of the substack evaluation\&. +.RE +.PP +For the more complicated syntax valid +\fIcontrol\fR +values have the following form: +.sp +.if n \{\ +.RS 4 +.\} +.nf + [value1=action1 value2=action2 \&.\&.\&.] + +.fi +.if n \{\ +.RE +.\} +.PP +Where +\fIvalueN\fR +corresponds to the return code from the function invoked in the module for which the line is defined\&. It is selected from one of these: +\fIsuccess\fR, +\fIopen_err\fR, +\fIsymbol_err\fR, +\fIservice_err\fR, +\fIsystem_err\fR, +\fIbuf_err\fR, +\fIperm_denied\fR, +\fIauth_err\fR, +\fIcred_insufficient\fR, +\fIauthinfo_unavail\fR, +\fIuser_unknown\fR, +\fImaxtries\fR, +\fInew_authtok_reqd\fR, +\fIacct_expired\fR, +\fIsession_err\fR, +\fIcred_unavail\fR, +\fIcred_expired\fR, +\fIcred_err\fR, +\fIno_module_data\fR, +\fIconv_err\fR, +\fIauthtok_err\fR, +\fIauthtok_recover_err\fR, +\fIauthtok_lock_busy\fR, +\fIauthtok_disable_aging\fR, +\fItry_again\fR, +\fIignore\fR, +\fIabort\fR, +\fIauthtok_expired\fR, +\fImodule_unknown\fR, +\fIbad_item\fR, +\fIconv_again\fR, +\fIincomplete\fR, and +\fIdefault\fR\&. +.PP +The last of these, +\fIdefault\fR, implies \*(Aqall +\fIvalueN\fR\*(Aqs not mentioned explicitly\&. Note, the full list of PAM errors is available in +/usr/include/security/_pam_types\&.h\&. The +\fIactionN\fR +can take one of the following forms: +.PP +ignore +.RS 4 +when used with a stack of modules, the module\*(Aqs return status will not contribute to the return code the application obtains\&. +.RE +.PP +bad +.RS 4 +this action indicates that the return code should be thought of as indicative of the module failing\&. If this module is the first in the stack to fail, its status value will be used for that of the whole stack\&. This is the default action for all return codes\&. +.RE +.PP +die +.RS 4 +equivalent to +\fIbad\fR +with the side effect of terminating the module stack and PAM immediately returning to the application\&. +.RE +.PP +ok +.RS 4 +this tells PAM that the administrator thinks this return code should contribute directly to the return code of the full stack of modules\&. In other words, if the former state of the stack would lead to a return of +\fIPAM_SUCCESS\fR, the module\*(Aqs return code will override this value\&. Note, if the former state of the stack holds some value that is indicative of a modules failure, this \*(Aqok\*(Aq value will not be used to override that value\&. +.RE +.PP +done +.RS 4 +equivalent to +\fIok\fR +with the side effect of terminating the module stack and PAM immediately returning to the application unless there was a non\-ignored module failure before\&. +.RE +.PP +N (an unsigned integer) +.RS 4 +jump over the next N modules in the stack\&. Note that N equal to 0 is not allowed, it would be treated as +\fIignore\fR +in such case\&. The side effect depends on the PAM function call: for +\fIpam_authenticate\fR, +\fIpam_acct_mgmt\fR, +\fIpam_chauthtok\fR, and +\fIpam_open_session\fR +it is +\fIignore\fR; for +\fIpam_setcred\fR +and +\fIpam_close_session\fR +it is one of +\fIignore\fR, +\fIok\fR, or +\fIbad\fR +depending on the module\*(Aqs return value\&. +.RE +.PP +reset +.RS 4 +clear all memory of the state of the module stack and start again with the next stacked module\&. +.RE +.PP +If a return code\*(Aqs action is not specifically defined via a +\fIvalueN\fR +token, and the +\fIdefault\fR +value is not specified, that return code\*(Aqs action defaults to +\fIbad\fR\&. +.PP +Each of the four keywords: required; requisite; sufficient; and optional, have an equivalent expression in terms of the [\&.\&.\&.] syntax\&. They are as follows: +.PP +required +.RS 4 +[success=ok new_authtok_reqd=ok ignore=ignore default=bad] +.RE +.PP +requisite +.RS 4 +[success=ok new_authtok_reqd=ok ignore=ignore default=die] +.RE +.PP +sufficient +.RS 4 +[success=done new_authtok_reqd=done default=ignore] +.RE +.PP +optional +.RS 4 +[success=ok new_authtok_reqd=ok default=ignore] +.RE +.PP +\fImodule\-path\fR +is either the full filename of the PAM to be used by the application (it begins with a \*(Aq/\*(Aq), or a relative pathname from the default module location: +/lib/security/ +or +/lib64/security/, depending on the architecture\&. +.PP +\fImodule\-arguments\fR +are a space separated list of tokens that can be used to modify the specific behavior of the given PAM\&. Such arguments will be documented for each individual module\&. Note, if you wish to include spaces in an argument, you should surround that argument with square brackets\&. +.sp +.if n \{\ +.RS 4 +.\} +.nf + squid auth required pam_mysql\&.so user=passwd_query passwd=mada \e + db=eminence [query=select user_name from internet_service \e + where user_name=\*(Aq%u\*(Aq and password=PASSWORD(\*(Aq%p\*(Aq) and \e + service=\*(Aqweb_proxy\*(Aq] + +.fi +.if n \{\ +.RE +.\} +.PP +When using this convention, you can include `[\*(Aq characters inside the string, and if you wish to include a `]\*(Aq character inside the string that will survive the argument parsing, you should use `\e]\*(Aq\&. In other words: +.sp +.if n \{\ +.RS 4 +.\} +.nf + [\&.\&.[\&.\&.\e]\&.\&.] \-\-> \&.\&.[\&.\&.]\&.\&. + +.fi +.if n \{\ +.RE +.\} +.PP +Any line in (one of) the configuration file(s), that is not formatted correctly, will generally tend (erring on the side of caution) to make the authentication process fail\&. A corresponding error is written to the system log files with a call to +\fBsyslog\fR(3)\&. +.PP +More flexible than the single configuration file is it to configure libpam via the contents of the +/etc/pam\&.d/ +directory\&. In this case the directory is filled with files each of which has a filename equal to a service\-name (in lower\-case): it is the personal configuration file for the named service\&. +.PP +The syntax of each file in /etc/pam\&.d/ is similar to that of the +/etc/pam\&.conf +file and is made up of lines of the following form: +.sp +.if n \{\ +.RS 4 +.\} +.nf +type control module\-path module\-arguments + +.fi +.if n \{\ +.RE +.\} +.PP +The only difference being that the service\-name is not present\&. The service\-name is of course the name of the given configuration file\&. For example, +/etc/pam\&.d/login +contains the configuration for the +\fBlogin\fR +service\&. +.SH "SEE ALSO" +.PP +\fBpam\fR(3), +\fBPAM\fR(8), +\fBpam_start\fR(3) diff --git a/doc/man/pam.d.5 b/doc/man/pam.d.5 new file mode 100644 index 0000000..e4606ae --- /dev/null +++ b/doc/man/pam.d.5 @@ -0,0 +1 @@ +.so man5/pam.conf.5 diff --git a/doc/man/pam_acct_mgmt.3 b/doc/man/pam_acct_mgmt.3 new file mode 100644 index 0000000..1d95505 --- /dev/null +++ b/doc/man/pam_acct_mgmt.3 @@ -0,0 +1,100 @@ +'\" t +.\" Title: pam_acct_mgmt +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_ACCT_MGMT" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_acct_mgmt \- PAM account validation management +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_acct_mgmt('u +.BI "int pam_acct_mgmt(pam_handle_t\ *" "pamh" ", int\ " "flags" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_acct_mgmt\fR +function is used to determine if the user\*(Aqs account is valid\&. It checks for authentication token and account expiration and verifies access restrictions\&. It is typically called after the user has been authenticated\&. +.PP +The +\fIpamh\fR +argument is an authentication handle obtained by a prior call to pam_start()\&. The flags argument is the binary or of zero or more of the following values: +.PP +PAM_SILENT +.RS 4 +Do not emit any messages\&. +.RE +.PP +PAM_DISALLOW_NULL_AUTHTOK +.RS 4 +The PAM module service should return PAM_NEW_AUTHTOK_REQD if the user has a null authentication token\&. +.RE +.SH "RETURN VALUES" +.PP +PAM_ACCT_EXPIRED +.RS 4 +User account has expired\&. +.RE +.PP +PAM_AUTH_ERR +.RS 4 +Authentication failure\&. +.RE +.PP +PAM_NEW_AUTHTOK_REQD +.RS 4 +The user account is valid but their authentication token is +\fIexpired\fR\&. The correct response to this return\-value is to require that the user satisfies the +\fBpam_chauthtok()\fR +function before obtaining service\&. It may not be possible for some applications to do this\&. In such cases, the user should be denied access until such time as they can update their password\&. +.RE +.PP +PAM_PERM_DENIED +.RS 4 +Permission denied\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +The authentication token was successfully updated\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +User unknown to password service\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_start\fR(3), +\fBpam_authenticate\fR(3), +\fBpam_chauthtok\fR(3), +\fBpam_strerror\fR(3), +\fBpam\fR(8) diff --git a/doc/man/pam_acct_mgmt.3.xml b/doc/man/pam_acct_mgmt.3.xml new file mode 100644 index 0000000..59760d7 --- /dev/null +++ b/doc/man/pam_acct_mgmt.3.xml @@ -0,0 +1,145 @@ + + + + + pam_acct_mgmt + 3 + Linux-PAM Manual + + + + pam_acct_mgmt + PAM account validation management + + + + + + + #include <security/pam_appl.h> + + int pam_acct_mgmt + pam_handle_t *pamh + int flags + + + + + + + DESCRIPTION + + The pam_acct_mgmt function is used to determine + if the user's account is valid. It checks for authentication token + and account expiration and verifies access restrictions. It is + typically called after the user has been authenticated. + + + The pamh argument is an authentication + handle obtained by a prior call to pam_start(). + The flags argument is the binary or of zero or more of the + following values: + + + + PAM_SILENT + + + Do not emit any messages. + + + + + PAM_DISALLOW_NULL_AUTHTOK + + + The PAM module service should return PAM_NEW_AUTHTOK_REQD + if the user has a null authentication token. + + + + + + + + RETURN VALUES + + + PAM_ACCT_EXPIRED + + + User account has expired. + + + + + PAM_AUTH_ERR + + + Authentication failure. + + + + + PAM_NEW_AUTHTOK_REQD + + + The user account is valid but their authentication token + is expired. The correct response to + this return-value is to require that the user satisfies + the pam_chauthtok() function before + obtaining service. It may not be possible for some + applications to do this. In such cases, the user should be + denied access until such time as they can update their password. + + + + + PAM_PERM_DENIED + + + Permission denied. + + + + + PAM_SUCCESS + + + The authentication token was successfully updated. + + + + + PAM_USER_UNKNOWN + + + User unknown to password service. + + + + + + + + SEE ALSO + + + pam_start3 + , + + pam_authenticate3 + , + + pam_chauthtok3 + , + + pam_strerror3 + , + + pam8 + + + + diff --git a/doc/man/pam_authenticate.3 b/doc/man/pam_authenticate.3 new file mode 100644 index 0000000..e3257bf --- /dev/null +++ b/doc/man/pam_authenticate.3 @@ -0,0 +1,110 @@ +'\" t +.\" Title: pam_authenticate +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_AUTHENTICATE" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_authenticate \- account authentication +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_authenticate('u +.BI "int pam_authenticate(pam_handle_t\ *" "pamh" ", int\ " "flags" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_authenticate\fR +function is used to authenticate the user\&. The user is required to provide an authentication token depending upon the authentication service, usually this is a password, but could also be a finger print\&. +.PP +The PAM service module may request that the user enter their username via the conversation mechanism (see +\fBpam_start\fR(3) +and +\fBpam_conv\fR(3))\&. The name of the authenticated user will be present in the PAM item PAM_USER\&. This item may be recovered with a call to +\fBpam_get_item\fR(3)\&. +.PP +The +\fIpamh\fR +argument is an authentication handle obtained by a prior call to pam_start()\&. The flags argument is the binary or of zero or more of the following values: +.PP +PAM_SILENT +.RS 4 +Do not emit any messages\&. +.RE +.PP +PAM_DISALLOW_NULL_AUTHTOK +.RS 4 +The PAM module service should return PAM_AUTH_ERR if the user does not have a registered authentication token\&. +.RE +.SH "RETURN VALUES" +.PP +PAM_ABORT +.RS 4 +The application should exit immediately after calling +\fBpam_end\fR(3) +first\&. +.RE +.PP +PAM_AUTH_ERR +.RS 4 +The user was not authenticated\&. +.RE +.PP +PAM_CRED_INSUFFICIENT +.RS 4 +For some reason the application does not have sufficient credentials to authenticate the user\&. +.RE +.PP +PAM_AUTHINFO_UNAVAIL +.RS 4 +The modules were not able to access the authentication information\&. This might be due to a network or hardware failure etc\&. +.RE +.PP +PAM_MAXTRIES +.RS 4 +One or more of the authentication modules has reached its limit of tries authenticating the user\&. Do not try again\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +The user was successfully authenticated\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +User unknown to authentication service\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_start\fR(3), +\fBpam_setcred\fR(3), +\fBpam_chauthtok\fR(3), +\fBpam_strerror\fR(3), +\fBpam\fR(8) diff --git a/doc/man/pam_authenticate.3.xml b/doc/man/pam_authenticate.3.xml new file mode 100644 index 0000000..c2004eb --- /dev/null +++ b/doc/man/pam_authenticate.3.xml @@ -0,0 +1,169 @@ + + + + + pam_authenticate + 3 + Linux-PAM Manual + + + + pam_authenticate + account authentication + + + + + + + #include <security/pam_appl.h> + + int pam_authenticate + pam_handle_t *pamh + int flags + + + + + + + DESCRIPTION + + The pam_authenticate function is used to + authenticate the user. The user is required to provide an + authentication token depending upon the authentication service, + usually this is a password, but could also be a finger print. + + + The PAM service module may request that the user enter their + username via the conversation mechanism (see + + pam_start3 + and + + pam_conv3 + ). The name of the authenticated user + will be present in the PAM item PAM_USER. This item may be + recovered with a call to + + pam_get_item3 + . + + + The pamh argument is an authentication + handle obtained by a prior call to pam_start(). + The flags argument is the binary or of zero or more of the + following values: + + + + PAM_SILENT + + + Do not emit any messages. + + + + + PAM_DISALLOW_NULL_AUTHTOK + + + The PAM module service should return PAM_AUTH_ERR + if the user does not have a registered authentication token. + + + + + + + + RETURN VALUES + + + PAM_ABORT + + + The application should exit immediately after calling + + pam_end3 + first. + + + + + PAM_AUTH_ERR + + + The user was not authenticated. + + + + + PAM_CRED_INSUFFICIENT + + + For some reason the application does not have sufficient + credentials to authenticate the user. + + + + + PAM_AUTHINFO_UNAVAIL + + + The modules were not able to access the authentication + information. This might be due to a network or hardware + failure etc. + + + + + PAM_MAXTRIES + + + One or more of the authentication modules has reached its + limit of tries authenticating the user. Do not try again. + + + + + PAM_SUCCESS + + + The user was successfully authenticated. + + + + + PAM_USER_UNKNOWN + + + User unknown to authentication service. + + + + + + + + SEE ALSO + + + pam_start3 + , + + pam_setcred3 + , + + pam_chauthtok3 + , + + pam_strerror3 + , + + pam8 + + + + diff --git a/doc/man/pam_chauthtok.3 b/doc/man/pam_chauthtok.3 new file mode 100644 index 0000000..d2e0b46 --- /dev/null +++ b/doc/man/pam_chauthtok.3 @@ -0,0 +1,109 @@ +'\" t +.\" Title: pam_chauthtok +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_CHAUTHTOK" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_chauthtok \- updating authentication tokens +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_chauthtok('u +.BI "int pam_chauthtok(pam_handle_t\ *" "pamh" ", int\ " "flags" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_chauthtok\fR +function is used to change the authentication token for a given user (as indicated by the state associated with the handle +\fIpamh\fR)\&. +.PP +The +\fIpamh\fR +argument is an authentication handle obtained by a prior call to pam_start()\&. The flags argument is the binary or of zero or more of the following values: +.PP +PAM_SILENT +.RS 4 +Do not emit any messages\&. +.RE +.PP +PAM_CHANGE_EXPIRED_AUTHTOK +.RS 4 +This argument indicates to the modules that the user\*(Aqs authentication token (password) should only be changed if it has expired\&. If this argument is not passed, the application requires that all authentication tokens are to be changed\&. +.RE +.SH "RETURN VALUES" +.PP +PAM_AUTHTOK_ERR +.RS 4 +A module was unable to obtain the new authentication token\&. +.RE +.PP +PAM_AUTHTOK_RECOVERY_ERR +.RS 4 +A module was unable to obtain the old authentication token\&. +.RE +.PP +PAM_AUTHTOK_LOCK_BUSY +.RS 4 +One or more of the modules was unable to change the authentication token since it is currently locked\&. +.RE +.PP +PAM_AUTHTOK_DISABLE_AGING +.RS 4 +Authentication token aging has been disabled for at least one of the modules\&. +.RE +.PP +PAM_PERM_DENIED +.RS 4 +Permission denied\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +The authentication token was successfully updated\&. +.RE +.PP +PAM_TRY_AGAIN +.RS 4 +Not all of the modules were in a position to update the authentication token(s)\&. In such a case none of the user\*(Aqs authentication tokens are updated\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +User unknown to password service\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_start\fR(3), +\fBpam_authenticate\fR(3), +\fBpam_setcred\fR(3), +\fBpam_get_item\fR(3), +\fBpam_strerror\fR(3), +\fBpam\fR(8) diff --git a/doc/man/pam_chauthtok.3.xml b/doc/man/pam_chauthtok.3.xml new file mode 100644 index 0000000..f42bc68 --- /dev/null +++ b/doc/man/pam_chauthtok.3.xml @@ -0,0 +1,164 @@ + + + + + pam_chauthtok + 3 + Linux-PAM Manual + + + + pam_chauthtok + updating authentication tokens + + + + + + + #include <security/pam_appl.h> + + int pam_chauthtok + pam_handle_t *pamh + int flags + + + + + + + DESCRIPTION + + The pam_chauthtok function is used to change the + authentication token for a given user (as indicated by the state + associated with the handle pamh). + + + The pamh argument is an authentication + handle obtained by a prior call to pam_start(). + The flags argument is the binary or of zero or more of the + following values: + + + + PAM_SILENT + + + Do not emit any messages. + + + + + PAM_CHANGE_EXPIRED_AUTHTOK + + + This argument indicates to the modules that the user's + authentication token (password) should only be changed + if it has expired. + If this argument is not passed, the application requires + that all authentication tokens are to be changed. + + + + + + + + RETURN VALUES + + + PAM_AUTHTOK_ERR + + + A module was unable to obtain the new authentication token. + + + + + PAM_AUTHTOK_RECOVERY_ERR + + + A module was unable to obtain the old authentication token. + + + + + PAM_AUTHTOK_LOCK_BUSY + + + One or more of the modules was unable to change the + authentication token since it is currently locked. + + + + + PAM_AUTHTOK_DISABLE_AGING + + + Authentication token aging has been disabled for at least + one of the modules. + + + + + PAM_PERM_DENIED + + + Permission denied. + + + + + PAM_SUCCESS + + + The authentication token was successfully updated. + + + + + PAM_TRY_AGAIN + + + Not all of the modules were in a position to update the + authentication token(s). In such a case none of the user's + authentication tokens are updated. + + + + + PAM_USER_UNKNOWN + + + User unknown to password service. + + + + + + + + SEE ALSO + + + pam_start3 + , + + pam_authenticate3 + , + + pam_setcred3 + , + + pam_get_item3 + , + + pam_strerror3 + , + + pam8 + + + + diff --git a/doc/man/pam_close_session.3 b/doc/man/pam_close_session.3 new file mode 100644 index 0000000..3a7d56b --- /dev/null +++ b/doc/man/pam_close_session.3 @@ -0,0 +1,81 @@ +'\" t +.\" Title: pam_close_session +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_CLOSE_SESSION" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_close_session \- terminate PAM session management +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_close_session('u +.BI "int pam_close_session(pam_handle_t\ *" "pamh" ", int\ " "flags" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_close_session\fR +function is used to indicate that an authenticated session has ended\&. The session should have been created with a call to +\fBpam_open_session\fR(3)\&. +.PP +It should be noted that the effective uid, +\fBgeteuid\fR(2)\&. of the application should be of sufficient privilege to perform such tasks as unmounting the user\*(Aqs home directory for example\&. +.PP +The flags argument is the binary or of zero or more of the following values: +.PP +PAM_SILENT +.RS 4 +Do not emit any messages\&. +.RE +.SH "RETURN VALUES" +.PP +PAM_ABORT +.RS 4 +General failure\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_SESSION_ERR +.RS 4 +Session failure\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Session was successful terminated\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_open_session\fR(3), +\fBpam_strerror\fR(3) diff --git a/doc/man/pam_close_session.3.xml b/doc/man/pam_close_session.3.xml new file mode 100644 index 0000000..db549bd --- /dev/null +++ b/doc/man/pam_close_session.3.xml @@ -0,0 +1,115 @@ + + + + + + + pam_close_session + 3 + Linux-PAM Manual + + + + pam_close_session + terminate PAM session management + + + + + + + #include <security/pam_appl.h> + + int pam_close_session + pam_handle_t *pamh + int flags + + + + + + + DESCRIPTION + + The pam_close_session function is used + to indicate that an authenticated session has ended. + The session should have been created with a call to + + pam_open_session3 + . + + + It should be noted that the effective uid, + + geteuid2 + . of the application should be of sufficient + privilege to perform such tasks as unmounting the + user's home directory for example. + + + The flags argument is the binary or of zero or more of the + following values: + + + + PAM_SILENT + + + Do not emit any messages. + + + + + + + + RETURN VALUES + + + PAM_ABORT + + + General failure. + + + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_SESSION_ERR + + + Session failure. + + + + + PAM_SUCCESS + + + Session was successful terminated. + + + + + + + + SEE ALSO + + + pam_open_session3 + , + + pam_strerror3 + + + + diff --git a/doc/man/pam_conv.3 b/doc/man/pam_conv.3 new file mode 100644 index 0000000..5f65b2e --- /dev/null +++ b/doc/man/pam_conv.3 @@ -0,0 +1,177 @@ +'\" t +.\" Title: pam_conv +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_CONV" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_conv \- PAM conversation function +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.sp +.nf +struct pam_message { + int msg_style; + const char *msg; +}; + +struct pam_response { + char *resp; + int resp_retcode; +}; + +struct pam_conv { + int (*conv)(int num_msg, const struct pam_message **msg, + struct pam_response **resp, void *appdata_ptr); + void *appdata_ptr; +}; + +.fi +.SH "DESCRIPTION" +.PP +The PAM library uses an application\-defined callback to allow a direct communication between a loaded module and the application\&. This callback is specified by the +\fIstruct pam_conv\fR +passed to +\fBpam_start\fR(3) +at the start of the transaction\&. +.PP +When a module calls the referenced conv() function, the argument +\fIappdata_ptr\fR +is set to the second element of this structure\&. +.PP +The other arguments of a call to conv() concern the information exchanged by module and application\&. That is to say, +\fInum_msg\fR +holds the length of the array of pointers, +\fImsg\fR\&. After a successful return, the pointer +\fIresp\fR +points to an array of pam_response structures, holding the application supplied text\&. The +\fIresp_retcode\fR +member of this struct is unused and should be set to zero\&. It is the caller\*(Aqs responsibility to release both, this array and the responses themselves, using +\fBfree\fR(3)\&. Note, +\fI*resp\fR +is a +\fIstruct pam_response\fR +array and not an array of pointers\&. +.PP +The number of responses is always equal to the +\fInum_msg\fR +conversation function argument\&. This does require that the response array is +\fBfree\fR(3)\*(Aqd after every call to the conversation function\&. The index of the responses corresponds directly to the prompt index in the pam_message array\&. +.PP +On failure, the conversation function should release any resources it has allocated, and return one of the predefined PAM error codes\&. +.PP +Each message can have one of four types, specified by the +\fImsg_style\fR +member of +\fIstruct pam_message\fR: +.PP +PAM_PROMPT_ECHO_OFF +.RS 4 +Obtain a string without echoing any text\&. +.RE +.PP +PAM_PROMPT_ECHO_ON +.RS 4 +Obtain a string whilst echoing text\&. +.RE +.PP +PAM_ERROR_MSG +.RS 4 +Display an error message\&. +.RE +.PP +PAM_TEXT_INFO +.RS 4 +Display some text\&. +.RE +.PP +The point of having an array of messages is that it becomes possible to pass a number of things to the application in a single call from the module\&. It can also be convenient for the application that related things come at once: a windows based application can then present a single form with many messages/prompts on at once\&. +.PP +In passing, it is worth noting that there is a discrepancy between the way Linux\-PAM handles the const struct pam_message **msg conversation function argument and the way that Solaris\*(Aq PAM (and derivatives, known to include HP/UX, are there others?) does\&. Linux\-PAM interprets the msg argument as entirely equivalent to the following prototype const struct pam_message *msg[] (which, in spirit, is consistent with the commonly used prototypes for argv argument to the familiar main() function: char **argv; and char *argv[])\&. Said another way Linux\-PAM interprets the msg argument as a pointer to an array of num_msg read only \*(Aqstruct pam_message\*(Aq pointers\&. Solaris\*(Aq PAM implementation interprets this argument as a pointer to a pointer to an array of num_msg pam_message structures\&. Fortunately, perhaps, for most module/application developers when num_msg has a value of one these two definitions are entirely equivalent\&. Unfortunately, casually raising this number to two has led to unanticipated compatibility problems\&. +.PP +For what its worth the two known module writer work\-arounds for trying to maintain source level compatibility with both PAM implementations are: +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +never call the conversation function with num_msg greater than one\&. +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +set up msg as doubly referenced so both types of conversation function can find the messages\&. That is, make +.sp +.if n \{\ +.RS 4 +.\} +.nf + msg[n] = & (( *msg )[n]) + +.fi +.if n \{\ +.RE +.\} +.RE +.SH "RETURN VALUES" +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_CONV_ERR +.RS 4 +Conversation failure\&. The application should not set +\fI*resp\fR\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Success\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_start\fR(3), +\fBpam_set_item\fR(3), +\fBpam_get_item\fR(3), +\fBpam_strerror\fR(3), +\fBpam\fR(8) diff --git a/doc/man/pam_conv.3.xml b/doc/man/pam_conv.3.xml new file mode 100644 index 0000000..5106ddf --- /dev/null +++ b/doc/man/pam_conv.3.xml @@ -0,0 +1,228 @@ + + + + + pam_conv + 3 + Linux-PAM Manual + + + + pam_conv + PAM conversation function + + + + + + + #include <security/pam_appl.h> + + +struct pam_message { + int msg_style; + const char *msg; +}; + +struct pam_response { + char *resp; + int resp_retcode; +}; + +struct pam_conv { + int (*conv)(int num_msg, const struct pam_message **msg, + struct pam_response **resp, void *appdata_ptr); + void *appdata_ptr; +}; + + + + + DESCRIPTION + + The PAM library uses an application-defined callback to allow + a direct communication between a loaded module and the application. + This callback is specified by the + struct pam_conv passed to + + pam_start3 + + at the start of the transaction. + + + When a module calls the referenced conv() function, the argument + appdata_ptr is set to the second element of + this structure. + + + The other arguments of a call to conv() concern the information + exchanged by module and application. That is to say, + num_msg holds the length of the array of + pointers, msg. After a successful return, the + pointer resp points to an array of pam_response + structures, holding the application supplied text. The + resp_retcode member of this struct is unused and + should be set to zero. It is the caller's responsibility to release + both, this array and the responses themselves, using + + free3 + . Note, *resp is a + struct pam_response array and not an array of + pointers. + + + The number of responses is always equal to the + num_msg conversation function argument. + This does require that the response array is + + free3 + 'd after + every call to the conversation function. The index of the + responses corresponds directly to the prompt index in the + pam_message array. + + + On failure, the conversation function should release any resources + it has allocated, and return one of the predefined PAM error codes. + + + Each message can have one of four types, specified by the + msg_style member of + struct pam_message: + + + + PAM_PROMPT_ECHO_OFF + + + Obtain a string without echoing any text. + + + + + PAM_PROMPT_ECHO_ON + + + Obtain a string whilst echoing text. + + + + + PAM_ERROR_MSG + + + Display an error message. + + + + + PAM_TEXT_INFO + + + Display some text. + + + + + + The point of having an array of messages is that it becomes possible + to pass a number of things to the application in a single call from + the module. It can also be convenient for the application that related + things come at once: a windows based application can then present a + single form with many messages/prompts on at once. + + + In passing, it is worth noting that there is a discrepancy between + the way Linux-PAM handles the const struct pam_message **msg + conversation function argument and the way that Solaris' PAM + (and derivatives, known to include HP/UX, are there others?) does. + Linux-PAM interprets the msg argument as entirely equivalent to the + following prototype + const struct pam_message *msg[] (which, in spirit, is consistent with + the commonly used prototypes for argv argument to the familiar main() + function: char **argv; and char *argv[]). Said another way Linux-PAM + interprets the msg argument as a pointer to an array of num_msg read + only 'struct pam_message' pointers. Solaris' PAM implementation + interprets this argument as a pointer to a pointer to an array of + num_msg pam_message structures. Fortunately, perhaps, for most + module/application developers when num_msg has a value of one these + two definitions are entirely equivalent. Unfortunately, casually + raising this number to two has led to unanticipated compatibility + problems. + + + For what its worth the two known module writer work-arounds for trying + to maintain source level compatibility with both PAM implementations + are: + + + + + never call the conversation function with num_msg greater than one. + + + + + set up msg as doubly referenced so both types of conversation + function can find the messages. That is, make + + + msg[n] = & (( *msg )[n]) + + + + + + + RETURN VALUES + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_CONV_ERR + + + Conversation failure. The application should not set + *resp. + + + + + PAM_SUCCESS + + + Success. + + + + + + + + SEE ALSO + + + pam_start3 + , + + pam_set_item3 + , + + pam_get_item3 + , + + pam_strerror3 + , + + pam8 + + + + diff --git a/doc/man/pam_end.3 b/doc/man/pam_end.3 new file mode 100644 index 0000000..be4815e --- /dev/null +++ b/doc/man/pam_end.3 @@ -0,0 +1,89 @@ +'\" t +.\" Title: pam_end +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_END" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_end \- termination of PAM transaction +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_end('u +.BI "int pam_end(pam_handle_t\ *" "pamh" ", int\ " "pam_status" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_end\fR +function terminates the PAM transaction and is the last function an application should call in the PAM context\&. Upon return the handle +\fIpamh\fR +is no longer valid and all memory associated with it will be invalid\&. +.PP +The +\fIpam_status\fR +argument should be set to the value returned to the application by the last PAM library call\&. +.PP +The value taken by +\fIpam_status\fR +is used as an argument to the module specific callback function, +\fBcleanup()\fR +(See +\fBpam_set_data\fR(3) +and +\fBpam_get_data\fR(3))\&. In this way the module can be given notification of the pass/fail nature of the tear\-down process, and perform any last minute tasks that are appropriate to the module before it is unlinked\&. This argument can be logically OR\*(Aqd with +\fIPAM_DATA_SILENT\fR +to indicate that the module should not treat the call too seriously\&. It is generally used to indicate that the current closing of the library is in a +\fBfork\fR(2)ed process, and that the parent will take care of cleaning up things that exist outside of the current process space (files etc\&.)\&. +.PP +This function +\fIfree\fR\*(Aqs all memory for items associated with the +\fBpam_set_item\fR(3) +and +\fBpam_get_item\fR(3) +functions\&. Pointers associated with such objects are not valid anymore after +\fBpam_end\fR +was called\&. +.SH "RETURN VALUES" +.PP +PAM_SUCCESS +.RS 4 +Transaction was successful terminated\&. +.RE +.PP +PAM_SYSTEM_ERR +.RS 4 +System error, for example a NULL pointer was submitted as PAM handle or the function was called by a module\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_get_data\fR(3), +\fBpam_set_data\fR(3), +\fBpam_start\fR(3), +\fBpam_strerror\fR(3) diff --git a/doc/man/pam_end.3.xml b/doc/man/pam_end.3.xml new file mode 100644 index 0000000..5febf85 --- /dev/null +++ b/doc/man/pam_end.3.xml @@ -0,0 +1,122 @@ + + + + + + + pam_end + 3 + Linux-PAM Manual + + + + pam_end + termination of PAM transaction + + + + + + + #include <security/pam_appl.h> + + int pam_end + pam_handle_t *pamh + int pam_status + + + + + + + DESCRIPTION + + The pam_end function terminates the PAM + transaction and is the last function an application should call + in the PAM context. Upon return the handle pamh + is no longer valid and all memory associated with it will be + invalid. + + + The pam_status argument should be set to + the value returned to the application by the last PAM + library call. + + + The value taken by pam_status is used as + an argument to the module specific callback function, + cleanup() + (See + pam_set_data3 + and + + pam_get_data3 + ). In this way the module can be given notification + of the pass/fail nature of the tear-down process, and perform any + last minute tasks that are appropriate to the module before it is + unlinked. This argument can be logically OR'd with + PAM_DATA_SILENT to indicate that + the module should not treat the call too seriously. It is generally + used to indicate that the current closing of the library is in a + + fork2 + ed + process, and that the parent will take care of cleaning up things + that exist outside of the current process space (files etc.). + + + + This function free's all memory for items + associated with the + + pam_set_item3 + and + + pam_get_item3 + functions. Pointers associated with such objects + are not valid anymore after pam_end was called. + + + + + RETURN VALUES + + + PAM_SUCCESS + + + Transaction was successful terminated. + + + + + PAM_SYSTEM_ERR + + + System error, for example a NULL pointer was submitted + as PAM handle or the function was called by a module. + + + + + + + + SEE ALSO + + + pam_get_data3 + , + + pam_set_data3 + , + + pam_start3 + , + + pam_strerror3 + + + + diff --git a/doc/man/pam_error.3 b/doc/man/pam_error.3 new file mode 100644 index 0000000..b28d708 --- /dev/null +++ b/doc/man/pam_error.3 @@ -0,0 +1,90 @@ +'\" t +.\" Title: pam_error +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_ERROR" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_error, pam_verror \- display error messages to the user +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_error('u +.BI "int pam_error(pam_handle_t\ *" "pamh" ", const\ char\ *" "fmt" ", " "\&.\&.\&." ");" +.HP \w'int\ pam_verror('u +.BI "int pam_verror(pam_handle_t\ *" "pamh" ", const\ char\ *" "fmt" ", va_list\ " "args" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_error\fR +function prints error messages through the conversation function to the user\&. +.PP +The +\fBpam_verror\fR +function performs the same task as +\fBpam_error()\fR +with the difference that it takes a set of arguments which have been obtained using the +\fBstdarg\fR(3) +variable argument list macros\&. +.SH "RETURN VALUES" +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_CONV_ERR +.RS 4 +Conversation failure\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Error message was displayed\&. +.RE +.PP +PAM_SYSTEM_ERR +.RS 4 +System error\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_info\fR(3), +\fBpam_vinfo\fR(3), +\fBpam_prompt\fR(3), +\fBpam_vprompt\fR(3), +\fBpam\fR(8) +.SH "STANDARDS" +.PP +The +\fBpam_error\fR +and +\fBpam_verror\fR +functions are Linux\-PAM extensions\&. diff --git a/doc/man/pam_error.3.xml b/doc/man/pam_error.3.xml new file mode 100644 index 0000000..de167f2 --- /dev/null +++ b/doc/man/pam_error.3.xml @@ -0,0 +1,121 @@ + + + + + + + pam_error + 3 + Linux-PAM Manual + + + + pam_error + pam_verror + display error messages to the user + + + + + + + #include <security/pam_ext.h> + + int pam_error + pam_handle_t *pamh + const char *fmt + ... + + + int pam_verror + pam_handle_t *pamh + const char *fmt + va_list args + + + + + + DESCRIPTION + + The pam_error function prints error messages + through the conversation function to the user. + + + The pam_verror function performs the same + task as pam_error() with the difference + that it takes a set of arguments which have been obtained using + the + stdarg3 + variable argument list macros. + + + + RETURN VALUES + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_CONV_ERR + + + Conversation failure. + + + + + PAM_SUCCESS + + + Error message was displayed. + + + + + PAM_SYSTEM_ERR + + + System error. + + + + + + + + SEE ALSO + + + pam_info3 + , + + pam_vinfo3 + , + + pam_prompt3 + , + + pam_vprompt3 + , + + pam8 + + + + + + STANDARDS + + The pam_error and pam_verror + functions are Linux-PAM extensions. + + + + diff --git a/doc/man/pam_fail_delay.3 b/doc/man/pam_fail_delay.3 new file mode 100644 index 0000000..bbf2c36 --- /dev/null +++ b/doc/man/pam_fail_delay.3 @@ -0,0 +1,168 @@ +'\" t +.\" Title: pam_fail_delay +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_FAIL_DELAY" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_fail_delay \- request a delay on failure +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_fail_delay('u +.BI "int pam_fail_delay(pam_handle_t\ *" "pamh" ", unsigned\ int\ " "usec" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_fail_delay\fR +function provides a mechanism by which an application or module can suggest a minimum delay of +\fIusec\fR +micro\-seconds\&. The function keeps a record of the longest time requested with this function\&. Should +\fBpam_authenticate\fR(3) +fail, the failing return to the application is delayed by an amount of time randomly distributed (by up to 50%) about this longest value\&. +.PP +Independent of success, the delay time is reset to its zero default value when the PAM service module returns control to the application\&. The delay occurs +\fIafter\fR +all authentication modules have been called, but +\fIbefore\fR +control is returned to the service application\&. +.PP +When using this function the programmer should check if it is available with: +.sp +.if n \{\ +.RS 4 +.\} +.nf +#ifdef HAVE_PAM_FAIL_DELAY + \&.\&.\&.\&. +#endif /* HAVE_PAM_FAIL_DELAY */ + +.fi +.if n \{\ +.RE +.\} +.PP +For applications written with a single thread that are event driven in nature, generating this delay may be undesirable\&. Instead, the application may want to register the delay in some other way\&. For example, in a single threaded server that serves multiple authentication requests from a single event loop, the application might want to simply mark a given connection as blocked until an application timer expires\&. For this reason the delay function can be changed with the +\fIPAM_FAIL_DELAY\fR +item\&. It can be queried and set with +\fBpam_get_item\fR(3) +and +\fBpam_set_item\fR(3) +respectively\&. The value used to set it should be a function pointer of the following prototype: +.sp +.if n \{\ +.RS 4 +.\} +.nf +void (*delay_fn)(int retval, unsigned usec_delay, void *appdata_ptr); + +.fi +.if n \{\ +.RE +.\} +.sp +The arguments being the +\fIretval\fR +return code of the module stack, the +\fIusec_delay\fR +micro\-second delay that libpam is requesting and the +\fIappdata_ptr\fR +that the application has associated with the current +\fIpamh\fR\&. This last value was set by the application when it called +\fBpam_start\fR(3) +or explicitly with +\fBpam_set_item\fR(3)\&. +.PP +Note that the PAM_FAIL_DELAY item is set to NULL by default\&. This indicates that PAM should perform a random delay as described above when authentication fails and a delay has been suggested\&. If an application does not want the PAM library to perform any delay on authentication failure, then the application must define a custom delay function that executes no statements and set the PAM_FAIL_DELAY item to point to this function\&. +.SH "RATIONALE" +.PP +It is often possible to attack an authentication scheme by exploiting the time it takes the scheme to deny access to an applicant user\&. In cases of +\fIshort\fR +timeouts, it may prove possible to attempt a +\fIbrute force\fR +dictionary attack \-\- with an automated process, the attacker tries all possible passwords to gain access to the system\&. In other cases, where individual failures can take measurable amounts of time (indicating the nature of the failure), an attacker can obtain useful information about the authentication process\&. These latter attacks make use of procedural delays that constitute a +\fIcovert channel\fR +of useful information\&. +.PP +To minimize the effectiveness of such attacks, it is desirable to introduce a random delay in a failed authentication process\&. Preferable this value should be set by the application or a special PAM module\&. Standard PAM modules should not modify the delay unconditional\&. +.SH "EXAMPLE" +.PP +For example, a login application may require a failure delay of roughly 3 seconds\&. It will contain the following code: +.sp +.if n \{\ +.RS 4 +.\} +.nf + pam_fail_delay (pamh, 3000000 /* micro\-seconds */ ); + pam_authenticate (pamh, 0); + +.fi +.if n \{\ +.RE +.\} +.PP +if the modules do not request a delay, the failure delay will be between 1\&.5 and 4\&.5 seconds\&. +.PP +However, the modules, invoked in the authentication process, may also request delays: +.sp +.if n \{\ +.RS 4 +.\} +.nf +module #1: pam_fail_delay (pamh, 2000000); +module #2: pam_fail_delay (pamh, 4000000); + +.fi +.if n \{\ +.RE +.\} +.PP +in this case, it is the largest requested value that is used to compute the actual failed delay: here between 2 and 6 seconds\&. +.SH "RETURN VALUES" +.PP +PAM_SUCCESS +.RS 4 +Delay was successful adjusted\&. +.RE +.PP +PAM_SYSTEM_ERR +.RS 4 +A NULL pointer was submitted as PAM handle\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_start\fR(3), +\fBpam_get_item\fR(3), +\fBpam_strerror\fR(3) +.SH "STANDARDS" +.PP +The +\fBpam_fail_delay\fR +function is an Linux\-PAM extension\&. diff --git a/doc/man/pam_fail_delay.3.xml b/doc/man/pam_fail_delay.3.xml new file mode 100644 index 0000000..53c1f89 --- /dev/null +++ b/doc/man/pam_fail_delay.3.xml @@ -0,0 +1,209 @@ + + + + + + + pam_fail_delay + 3 + Linux-PAM Manual + + + + pam_fail_delay + request a delay on failure + + + + + + + #include <security/pam_appl.h> + + int pam_fail_delay + pam_handle_t *pamh + unsigned int usec + + + + + + DESCRIPTION + + The pam_fail_delay function provides a + mechanism by which an application or module can suggest a minimum + delay of usec micro-seconds. The + function keeps a record of the longest time requested with this + function. Should + + pam_authenticate3 + fail, the failing return to the application is + delayed by an amount of time randomly distributed (by up to 50%) + about this longest value. + + + Independent of success, the delay time is reset to its zero + default value when the PAM service module returns control to + the application. The delay occurs after all + authentication modules have been called, but before + control is returned to the service application. + + + When using this function the programmer should check if it is + available with: + + +#ifdef HAVE_PAM_FAIL_DELAY + .... +#endif /* HAVE_PAM_FAIL_DELAY */ + + + + For applications written with a single thread that are event + driven in nature, generating this delay may be undesirable. + Instead, the application may want to register the delay in some + other way. For example, in a single threaded server that serves + multiple authentication requests from a single event loop, the + application might want to simply mark a given connection as + blocked until an application timer expires. For this reason + the delay function can be changed with the + PAM_FAIL_DELAY item. It can be queried and + set with + + pam_get_item3 + + and + + pam_set_item3 + respectively. The value used to set it should be + a function pointer of the following prototype: + +void (*delay_fn)(int retval, unsigned usec_delay, void *appdata_ptr); + + The arguments being the retval return code + of the module stack, the usec_delay + micro-second delay that libpam is requesting and the + appdata_ptr that the application has associated + with the current pamh. This last value was set + by the application when it called + + pam_start3 + or explicitly with + + pam_set_item3 + . + + + Note that the PAM_FAIL_DELAY item is set to NULL by default. This + indicates that PAM should perform a random delay as described + above when authentication fails and a delay has been suggested. + If an application does not want the PAM library to perform any + delay on authentication failure, then the application must define + a custom delay function that executes no statements and set + the PAM_FAIL_DELAY item to point to this function. + + + + + RATIONALE + + It is often possible to attack an authentication scheme by exploiting + the time it takes the scheme to deny access to an applicant user. In + cases of short timeouts, it may prove possible + to attempt a brute force dictionary attack -- + with an automated process, the attacker tries all possible passwords + to gain access to the system. In other cases, where individual + failures can take measurable amounts of time (indicating the nature + of the failure), an attacker can obtain useful information about the + authentication process. These latter attacks make use of procedural + delays that constitute a covert channel + of useful information. + + + To minimize the effectiveness of such attacks, it is desirable to + introduce a random delay in a failed authentication process. + Preferable this value should be set by the application or a special + PAM module. Standard PAM modules should not modify the delay + unconditional. + + + + + EXAMPLE + + For example, a login application may require a failure delay of + roughly 3 seconds. It will contain the following code: + + + pam_fail_delay (pamh, 3000000 /* micro-seconds */ ); + pam_authenticate (pamh, 0); + + + + if the modules do not request a delay, the failure delay will be + between 1.5 and 4.5 seconds. + + + + However, the modules, invoked in the authentication process, may + also request delays: + + + +module #1: pam_fail_delay (pamh, 2000000); +module #2: pam_fail_delay (pamh, 4000000); + + + + in this case, it is the largest requested value that is used to + compute the actual failed delay: here between 2 and 6 seconds. + + + + + RETURN VALUES + + + PAM_SUCCESS + + + Delay was successful adjusted. + + + + + PAM_SYSTEM_ERR + + + A NULL pointer was submitted as PAM handle. + + + + + + + + SEE ALSO + + + pam_start3 + , + + pam_get_item3 + , + + pam_strerror3 + + + + + + STANDARDS + + The pam_fail_delay function is an + Linux-PAM extension. + + + + diff --git a/doc/man/pam_get_authtok.3 b/doc/man/pam_get_authtok.3 new file mode 100644 index 0000000..755dd68 --- /dev/null +++ b/doc/man/pam_get_authtok.3 @@ -0,0 +1,170 @@ +'\" t +.\" Title: pam_get_authtok +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_GET_AUTHTOK" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_get_authtok, pam_get_authtok_verify, pam_get_authtok_noverify \- get authentication token +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_get_authtok('u +.BI "int pam_get_authtok(pam_handle_t\ *" "pamh" ", int\ " "item" ", const\ char\ **" "authtok" ", const\ char\ *" "prompt" ");" +.HP \w'int\ pam_get_authtok_noverify('u +.BI "int pam_get_authtok_noverify(pam_handle_t\ *" "pamh" ", const\ char\ **" "authtok" ", const\ char\ *" "prompt" ");" +.HP \w'int\ pam_get_authtok_verify('u +.BI "int pam_get_authtok_verify(pam_handle_t\ *" "pamh" ", const\ char\ **" "authtok" ", const\ char\ *" "prompt" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_get_authtok\fR +function returns the cached authentication token, or prompts the user if no token is currently cached\&. It is intended for internal use by Linux\-PAM and PAM service modules\&. Upon successful return, +\fIauthtok\fR +contains a pointer to the value of the authentication token\&. Note, this is a pointer to the +\fIactual\fR +data and should +\fBnot\fR +be +\fIfree()\fR\*(Aqed or over\-written! +.PP +The +\fIprompt\fR +argument specifies a prompt to use if no token is cached\&. If a NULL pointer is given, +\fBpam_get_authtok\fR +uses pre\-defined prompts\&. +.PP +The following values are supported for +\fIitem\fR: +.PP +PAM_AUTHTOK +.RS 4 +Returns the current authentication token\&. Called from +\fBpam_sm_chauthtok\fR(3) +\fBpam_get_authtok\fR +will ask the user to confirm the new token by retyping it\&. If a prompt was specified, "Retype" will be used as prefix\&. +.RE +.PP +PAM_OLDAUTHTOK +.RS 4 +Returns the previous authentication token when changing authentication tokens\&. +.RE +.PP +The +\fBpam_get_authtok_noverify\fR +function can only be used for changing the password (from +\fBpam_sm_chauthtok\fR(3))\&. It returns the cached authentication token, or prompts the user if no token is currently cached\&. The difference to +\fBpam_get_authtok\fR +is, that this function does not ask a second time for the password to verify it\&. Upon successful return, +\fIauthtok\fR +contains a pointer to the value of the authentication token\&. Note, this is a pointer to the +\fIactual\fR +data and should +\fBnot\fR +be +\fIfree()\fR\*(Aqed or over\-written! +.PP +The +\fBpam_get_authtok_verify\fR +function can only be used to verify a password for mistypes gotten by +\fBpam_get_authtok_noverify\fR(3)\&. This function asks a second time for the password and verify it with the password provided by +\fIauthtok\fR +argument\&. In case of an error, the value of +\fIauthtok\fR +is undefined\&. Else this argument will point to the +\fIactual\fR +data and should +\fBnot\fR +be +\fIfree()\fR\*(Aqed or over\-written! +.SH "OPTIONS" +.PP +\fBpam_get_authtok\fR +honours the following module options: +.PP +\fBtry_first_pass\fR +.RS 4 +Before prompting the user for their password, the module first tries the previous stacked module\*(Aqs password in case that satisfies this module as well\&. +.RE +.PP +\fBuse_first_pass\fR +.RS 4 +The argument +\fBuse_first_pass\fR +forces the module to use a previous stacked modules password and will never prompt the user \- if no password is available or the password is not appropriate, the user will be denied access\&. +.RE +.PP +\fBuse_authtok\fR +.RS 4 +When password changing enforce the module to set the new token to the one provided by a previously stacked +\fBpassword\fR +module\&. If no token is available token changing will fail\&. +.RE +.PP +\fBauthtok_type=\fR\fB\fIXXX\fR\fR +.RS 4 +The default action is for the module to use the following prompts when requesting passwords: "New UNIX password: " and "Retype UNIX password: "\&. The example word +\fIUNIX\fR +can be replaced with this option, by default it is empty\&. +.RE +.SH "RETURN VALUES" +.PP +PAM_AUTH_ERR +.RS 4 +Authentication token could not be retrieved\&. +.RE +.PP +PAM_AUTHTOK_ERR +.RS 4 +New authentication could not be retrieved\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Authentication token was successfully retrieved\&. +.RE +.PP +PAM_SYSTEM_ERR +.RS 4 +No space for an authentication token was provided\&. +.RE +.PP +PAM_TRY_AGAIN +.RS 4 +New authentication tokens mismatch\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam\fR(8) +.SH "STANDARDS" +.PP +The +\fBpam_get_authtok\fR +function is a Linux\-PAM extensions\&. diff --git a/doc/man/pam_get_authtok.3.xml b/doc/man/pam_get_authtok.3.xml new file mode 100644 index 0000000..5d50b16 --- /dev/null +++ b/doc/man/pam_get_authtok.3.xml @@ -0,0 +1,248 @@ + + + + + + + pam_get_authtok + 3 + Linux-PAM Manual + + + + pam_get_authtok + pam_get_authtok_verify + pam_get_authtok_noverify + get authentication token + + + + + + + #include <security/pam_ext.h> + + int pam_get_authtok + pam_handle_t *pamh + int item + const char **authtok + const char *prompt + + + int pam_get_authtok_noverify + pam_handle_t *pamh + const char **authtok + const char *prompt + + + int pam_get_authtok_verify + pam_handle_t *pamh + const char **authtok + const char *prompt + + + + + + DESCRIPTION + + The pam_get_authtok function returns the + cached authentication token, or prompts the user if no token is + currently cached. It is intended for internal use by Linux-PAM and + PAM service modules. Upon successful return, + authtok contains a pointer to the value of the + authentication token. Note, this is a pointer to the + actual data and should + not be free()'ed or + over-written! + + + The prompt argument specifies a prompt to use + if no token is cached. If a NULL pointer + is given, pam_get_authtok uses pre-defined prompts. + + + The following values are supported for item: + + + + PAM_AUTHTOK + + + Returns the current authentication token. Called from + pam_sm_chauthtok3 + pam_get_authtok will + ask the user to confirm the new token by retyping it. If + a prompt was specified, "Retype" will be used as prefix. + + + + + PAM_OLDAUTHTOK + + + Returns the previous authentication token when changing + authentication tokens. + + + + + + The pam_get_authtok_noverify function can + only be used for changing the password + (from + pam_sm_chauthtok3 + ). It returns the cached + authentication token, or prompts the user if no token is + currently cached. The difference to pam_get_authtok + is, that this function does not ask a second time for the password + to verify it. Upon successful return, authtok + contains a pointer to the value of the authentication token. Note, + this is a pointer to the + actual data and should + not be free()'ed or + over-written! + + + The pam_get_authtok_verify function can + only be used to verify a password for mistypes gotten by + + pam_get_authtok_noverify3 + . This function asks a second time for the password + and verify it with the password provided by authtok + argument. In case of an error, the value of authtok + is undefined. Else this argument will point to the + actual data and should + not be free()'ed or + over-written! + + + + + OPTIONS + + pam_get_authtok honours the following module + options: + + + + + + + + + Before prompting the user for their password, the module first + tries the previous stacked module's password in case that + satisfies this module as well. + + + + + + + + + + The argument forces the module + to use a previous stacked modules password and will never prompt + the user - if no password is available or the password is not + appropriate, the user will be denied access. + + + + + + + + + + When password changing enforce the module to set the new + token to the one provided by a previously stacked + module. If no token is available + token changing will fail. + + + + + + + + + + The default action is for the module to use the + following prompts when requesting passwords: + "New UNIX password: " and "Retype UNIX password: ". + The example word UNIX can + be replaced with this option, by default it is empty. + + + + + + + + + RETURN VALUES + + + PAM_AUTH_ERR + + + Authentication token could not be retrieved. + + + + + PAM_AUTHTOK_ERR + + + New authentication could not be retrieved. + + + + + PAM_SUCCESS + + + Authentication token was successfully retrieved. + + + + + PAM_SYSTEM_ERR + + + No space for an authentication token was provided. + + + + + PAM_TRY_AGAIN + + + New authentication tokens mismatch. + + + + + + + + SEE ALSO + + + pam8 + + + + + + STANDARDS + + The pam_get_authtok function is a Linux-PAM + extensions. + + + + diff --git a/doc/man/pam_get_authtok_noverify.3 b/doc/man/pam_get_authtok_noverify.3 new file mode 100644 index 0000000..a990dbc --- /dev/null +++ b/doc/man/pam_get_authtok_noverify.3 @@ -0,0 +1 @@ +.so man3/pam_get_authtok.3 diff --git a/doc/man/pam_get_authtok_verify.3 b/doc/man/pam_get_authtok_verify.3 new file mode 100644 index 0000000..a990dbc --- /dev/null +++ b/doc/man/pam_get_authtok_verify.3 @@ -0,0 +1 @@ +.so man3/pam_get_authtok.3 diff --git a/doc/man/pam_get_data.3 b/doc/man/pam_get_data.3 new file mode 100644 index 0000000..3eac2ef --- /dev/null +++ b/doc/man/pam_get_data.3 @@ -0,0 +1,82 @@ +'\" t +.\" Title: pam_get_data +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_GET_DATA" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_get_data \- get module internal data +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_get_data('u +.BI "int pam_get_data(const\ pam_handle_t\ *" "pamh" ", const\ char\ *" "module_data_name" ", const\ void\ **" "data" ");" +.SH "DESCRIPTION" +.PP +This function together with the +\fBpam_set_data\fR(3) +function is useful to manage module\-specific data meaningful only to the calling PAM module\&. +.PP +The +\fBpam_get_data\fR +function looks up the object associated with the (hopefully) unique string +\fImodule_data_name\fR +in the PAM context specified by the +\fIpamh\fR +argument\&. A successful call to +\fBpam_get_data\fR +will result in +\fIdata\fR +pointing to the object\&. Note, this data is +\fInot\fR +a copy and should be treated as +\fIconstant\fR +by the module\&. +.SH "RETURN VALUES" +.PP +PAM_SUCCESS +.RS 4 +Data was successful retrieved\&. +.RE +.PP +PAM_SYSTEM_ERR +.RS 4 +A NULL pointer was submitted as PAM handle or the function was called by an application\&. +.RE +.PP +PAM_NO_MODULE_DATA +.RS 4 +Module data not found or there is an entry, but it has the value NULL\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_end\fR(3), +\fBpam_set_data\fR(3), +\fBpam_strerror\fR(3) diff --git a/doc/man/pam_get_data.3.xml b/doc/man/pam_get_data.3.xml new file mode 100644 index 0000000..e84e5a4 --- /dev/null +++ b/doc/man/pam_get_data.3.xml @@ -0,0 +1,108 @@ + + + + + + + pam_get_data + 3 + Linux-PAM Manual + + + + pam_get_data + + get module internal data + + + + + + + + + + #include <security/pam_modules.h> + + int pam_get_data + const pam_handle_t *pamh + const char *module_data_name + const void **data + + + + + + + + DESCRIPTION + + This function together with the + + pam_set_data3 + function + is useful to manage module-specific data meaningful only to + the calling PAM module. + + + The pam_get_data function looks up the + object associated with the (hopefully) unique string + module_data_name in the PAM context + specified by the pamh argument. + A successful call to + pam_get_data will result in + data pointing to the object. Note, + this data is not a copy and should be + treated as constant by the module. + + + + + RETURN VALUES + + + PAM_SUCCESS + + + Data was successful retrieved. + + + + + PAM_SYSTEM_ERR + + + A NULL pointer was submitted as PAM handle or the + function was called by an application. + + + + + PAM_NO_MODULE_DATA + + + Module data not found or there is an entry, but it has + the value NULL. + + + + + + + + SEE ALSO + + + pam_end3 + , + + pam_set_data3 + , + + pam_strerror3 + + + + + diff --git a/doc/man/pam_get_item.3 b/doc/man/pam_get_item.3 new file mode 100644 index 0000000..b0e05d1 --- /dev/null +++ b/doc/man/pam_get_item.3 @@ -0,0 +1,196 @@ +'\" t +.\" Title: pam_get_item +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_GET_ITEM" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_get_item \- getting PAM information +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_get_item('u +.BI "int pam_get_item(const\ pam_handle_t\ *" "pamh" ", int\ " "item_type" ", const\ void\ **" "item" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_get_item\fR +function allows applications and PAM service modules to access and retrieve PAM information of +\fIitem_type\fR\&. Upon successful return, +\fIitem\fR +contains a pointer to the value of the corresponding item\&. Note, this is a pointer to the +\fIactual\fR +data and should +\fBnot\fR +be +\fIfree()\fR\*(Aqed or over\-written! The following values are supported for +\fIitem_type\fR: +.PP +PAM_SERVICE +.RS 4 +The service name (which identifies that PAM stack that the PAM functions will use to authenticate the program)\&. +.RE +.PP +PAM_USER +.RS 4 +The username of the entity under whose identity service will be given\&. That is, following authentication, +\fIPAM_USER\fR +identifies the local entity that gets to use the service\&. Note, this value can be mapped from something (eg\&., "anonymous") to something else (eg\&. "guest119") by any module in the PAM stack\&. As such an application should consult the value of +\fIPAM_USER\fR +after each call to a PAM function\&. +.RE +.PP +PAM_USER_PROMPT +.RS 4 +The string used when prompting for a user\*(Aqs name\&. The default value for this string is a localized version of "login: "\&. +.RE +.PP +PAM_TTY +.RS 4 +The terminal name: prefixed by +/dev/ +if it is a device file; for graphical, X\-based, applications the value for this item should be the +\fI$DISPLAY\fR +variable\&. +.RE +.PP +PAM_RUSER +.RS 4 +The requesting user name: local name for a locally requesting user or a remote user name for a remote requesting user\&. +.sp +Generally an application or module will attempt to supply the value that is most strongly authenticated (a local account before a remote one\&. The level of trust in this value is embodied in the actual authentication stack associated with the application, so it is ultimately at the discretion of the system administrator\&. +.sp +\fIPAM_RUSER@PAM_RHOST\fR +should always identify the requesting user\&. In some cases, +\fIPAM_RUSER\fR +may be NULL\&. In such situations, it is unclear who the requesting entity is\&. +.RE +.PP +PAM_RHOST +.RS 4 +The requesting hostname (the hostname of the machine from which the +\fIPAM_RUSER\fR +entity is requesting service)\&. That is +\fIPAM_RUSER@PAM_RHOST\fR +does identify the requesting user\&. In some applications, +\fIPAM_RHOST\fR +may be NULL\&. In such situations, it is unclear where the authentication request is originating from\&. +.RE +.PP +PAM_AUTHTOK +.RS 4 +The authentication token (often a password)\&. This token should be ignored by all module functions besides +\fBpam_sm_authenticate\fR(3) +and +\fBpam_sm_chauthtok\fR(3)\&. In the former function it is used to pass the most recent authentication token from one stacked module to another\&. In the latter function the token is used for another purpose\&. It contains the currently active authentication token\&. +.RE +.PP +PAM_OLDAUTHTOK +.RS 4 +The old authentication token\&. This token should be ignored by all module functions except +\fBpam_sm_chauthtok\fR(3)\&. +.RE +.PP +PAM_CONV +.RS 4 +The pam_conv structure\&. See +\fBpam_conv\fR(3)\&. +.RE +.PP +The following additional items are specific to Linux\-PAM and should not be used in portable applications: +.PP +PAM_FAIL_DELAY +.RS 4 +A function pointer to redirect centrally managed failure delays\&. See +\fBpam_fail_delay\fR(3)\&. +.RE +.PP +PAM_XDISPLAY +.RS 4 +The name of the X display\&. For graphical, X\-based applications the value for this item should be the +\fI$DISPLAY\fR +variable\&. This value may be used independently of +\fIPAM_TTY\fR +for passing the name of the display\&. +.RE +.PP +PAM_XAUTHDATA +.RS 4 +A pointer to a structure containing the X authentication data required to make a connection to the display specified by +\fIPAM_XDISPLAY\fR, if such information is necessary\&. See +\fBpam_xauth_data\fR(3)\&. +.RE +.PP +PAM_AUTHTOK_TYPE +.RS 4 +The default action is for the module to use the following prompts when requesting passwords: "New UNIX password: " and "Retype UNIX password: "\&. The example word +\fIUNIX\fR +can be replaced with this item, by default it is empty\&. This item is used by +\fBpam_get_authtok\fR(3)\&. +.RE +.PP +If a service module wishes to obtain the name of the user, it should not use this function, but instead perform a call to +\fBpam_get_user\fR(3)\&. +.PP +Only a service module is privileged to read the authentication tokens, PAM_AUTHTOK and PAM_OLDAUTHTOK\&. +.SH "RETURN VALUES" +.PP +PAM_BAD_ITEM +.RS 4 +The application attempted to set an undefined or inaccessible item\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_PERM_DENIED +.RS 4 +The value of +\fIitem\fR +was NULL\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Data was successful updated\&. +.RE +.PP +PAM_SYSTEM_ERR +.RS 4 +The +\fIpam_handle_t\fR +passed as first argument was invalid\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_set_item\fR(3), +\fBpam_strerror\fR(3) diff --git a/doc/man/pam_get_item.3.xml b/doc/man/pam_get_item.3.xml new file mode 100644 index 0000000..1145273 --- /dev/null +++ b/doc/man/pam_get_item.3.xml @@ -0,0 +1,143 @@ + + + +--> +]> + + + + + pam_get_item + 3 + Linux-PAM Manual + + + + pam_get_item + + getting PAM information + + + + + + + + + + #include <security/pam_modules.h> + + int pam_get_item + const pam_handle_t *pamh + int item_type + const void **item + + + + + + + + DESCRIPTION + + The pam_get_item function allows applications + and PAM service modules to access and retrieve PAM information + of item_type. Upon successful return, + item contains a pointer to the value of the + corresponding item. Note, this is a pointer to the + actual data and should + not be free()'ed or + over-written! The following values are supported for + item_type: + + + + + + The following additional items are specific to Linux-PAM and should not be used in + portable applications: + + + + + + If a service module wishes to obtain the name of the user, + it should not use this function, but instead perform a call to + + pam_get_user3 + . + + + Only a service module is privileged to read the + authentication tokens, PAM_AUTHTOK and PAM_OLDAUTHTOK. + + + + + + RETURN VALUES + + + PAM_BAD_ITEM + + + The application attempted to set an undefined or inaccessible + item. + + + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_PERM_DENIED + + + The value of item was NULL. + + + + + PAM_SUCCESS + + + Data was successful updated. + + + + + PAM_SYSTEM_ERR + + + The pam_handle_t passed as first + argument was invalid. + + + + + + + + SEE ALSO + + + pam_set_item3 + , + + pam_strerror3 + + + + + diff --git a/doc/man/pam_get_user.3 b/doc/man/pam_get_user.3 new file mode 100644 index 0000000..12cfaf4 --- /dev/null +++ b/doc/man/pam_get_user.3 @@ -0,0 +1,138 @@ +'\" t +.\" Title: pam_get_user +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_GET_USER" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_get_user \- get user name +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_get_user('u +.BI "int pam_get_user(const\ pam_handle_t\ *" "pamh" ", const\ char\ **" "user" ", const\ char\ *" "prompt" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_get_user\fR +function returns the name of the user specified by +\fBpam_start\fR(3)\&. If no user was specified it returns what +\fBpam_get_item (pamh, PAM_USER, \&.\&.\&. );\fR +would have returned\&. If this is NULL it obtains the username via the +\fBpam_conv\fR(3) +mechanism, it prompts the user with the first non\-NULL string in the following list: +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +The +\fIprompt\fR +argument passed to the function\&. +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +What is returned by pam_get_item (pamh, PAM_USER_PROMPT, \&.\&.\&. ); +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +The default prompt: "login: " +.RE +.PP +By whatever means the username is obtained, a pointer to it is returned as the contents of +\fI*user\fR\&. Note, this memory should +\fBnot\fR +be +\fIfree()\fR\*(Aqd or +\fImodified\fR +by the module\&. +.PP +This function sets the +\fIPAM_USER\fR +item associated with the +\fBpam_set_item\fR(3) +and +\fBpam_get_item\fR(3) +functions\&. +.SH "RETURN VALUES" +.PP +PAM_SUCCESS +.RS 4 +User name was successful retrieved\&. +.RE +.PP +PAM_SYSTEM_ERR +.RS 4 +A NULL pointer was submitted\&. +.RE +.PP +PAM_CONV_ERR +.RS 4 +The conversation method supplied by the application failed to obtain the username\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_ABORT +.RS 4 +Error resuming an old conversation\&. +.RE +.PP +PAM_CONV_AGAIN +.RS 4 +The conversation method supplied by the application is waiting for an event\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_end\fR(3), +\fBpam_get_item\fR(3), +\fBpam_set_item\fR(3), +\fBpam_strerror\fR(3) diff --git a/doc/man/pam_get_user.3.xml b/doc/man/pam_get_user.3.xml new file mode 100644 index 0000000..8bb176e --- /dev/null +++ b/doc/man/pam_get_user.3.xml @@ -0,0 +1,164 @@ + + + + + + + pam_get_user + 3 + Linux-PAM Manual + + + + pam_get_user + + get user name + + + + + + + + + + #include <security/pam_modules.h> + + int pam_get_user + const pam_handle_t *pamh + const char **user + const char *prompt + + + + + + + + DESCRIPTION + + The pam_get_user function returns the + name of the user specified by + + pam_start3 + . If no user was specified it returns what + pam_get_item (pamh, PAM_USER, ... ); would + have returned. If this is NULL it obtains the username via the + + pam_conv3 + mechanism, it prompts the user with the first + non-NULL string in the following list: + + + + + + The prompt argument passed to the function. + + + + + What is returned by pam_get_item (pamh, PAM_USER_PROMPT, ... ); + + + + + The default prompt: "login: " + + + + + By whatever means the username is obtained, a pointer to it is + returned as the contents of *user. Note, + this memory should not be + free()'d or modified + by the module. + + + This function sets the PAM_USER item + associated with the + + pam_set_item3 + and + + pam_get_item3 + functions. + + + + + RETURN VALUES + + + PAM_SUCCESS + + + User name was successful retrieved. + + + + + PAM_SYSTEM_ERR + + + A NULL pointer was submitted. + + + + + PAM_CONV_ERR + + + The conversation method supplied by the + application failed to obtain the username. + + + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_ABORT + + + Error resuming an old conversation. + + + + + PAM_CONV_AGAIN + + + The conversation method supplied by the application + is waiting for an event. + + + + + + + + SEE ALSO + + + pam_end3 + , + + pam_get_item3 + , + + pam_set_item3 + , + + pam_strerror3 + + + + + diff --git a/doc/man/pam_getenv.3 b/doc/man/pam_getenv.3 new file mode 100644 index 0000000..56f32ba --- /dev/null +++ b/doc/man/pam_getenv.3 @@ -0,0 +1,60 @@ +'\" t +.\" Title: pam_getenv +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_GETENV" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_getenv \- get a PAM environment variable +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'const\ char\ *pam_getenv('u +.BI "const char *pam_getenv(pam_handle_t\ *" "pamh" ", const\ char\ *" "name" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_getenv\fR +function searches the PAM environment list as associated with the handle +\fIpamh\fR +for an item that matches the string pointed to by +\fIname\fR +and returns a pointer to the value of the environment variable\&. The application is not allowed to free the data\&. +.SH "RETURN VALUES" +.PP +The +\fBpam_getenv\fR +function returns NULL on failure\&. +.SH "SEE ALSO" +.PP +\fBpam_start\fR(3), +\fBpam_getenvlist\fR(3), +\fBpam_putenv\fR(3), +\fBpam\fR(8) diff --git a/doc/man/pam_getenv.3.xml b/doc/man/pam_getenv.3.xml new file mode 100644 index 0000000..7e8db01 --- /dev/null +++ b/doc/man/pam_getenv.3.xml @@ -0,0 +1,67 @@ + + + + + pam_getenv + 3 + Linux-PAM Manual + + + + pam_getenv + get a PAM environment variable + + + + + + + #include <security/pam_appl.h> + + const char *pam_getenv + pam_handle_t *pamh + const char *name + + + + + + + DESCRIPTION + + The pam_getenv function searches the + PAM environment list as associated with the handle + pamh for an item that matches the string + pointed to by name and returns a pointer + to the value of the environment variable. The application is + not allowed to free the data. + + + + + RETURN VALUES + + The pam_getenv function returns NULL + on failure. + + + + + SEE ALSO + + + pam_start3 + , + + pam_getenvlist3 + , + + pam_putenv3 + , + + pam8 + + + + diff --git a/doc/man/pam_getenvlist.3 b/doc/man/pam_getenvlist.3 new file mode 100644 index 0000000..9ce441d --- /dev/null +++ b/doc/man/pam_getenvlist.3 @@ -0,0 +1,66 @@ +'\" t +.\" Title: pam_getenvlist +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_GETENVLIST" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_getenvlist \- getting the PAM environment +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'char\ **pam_getenvlist('u +.BI "char **pam_getenvlist(pam_handle_t\ *" "pamh" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_getenvlist\fR +function returns a complete copy of the PAM environment as associated with the handle +\fIpamh\fR\&. The PAM environment variables represent the contents of the regular environment variables of the authenticated user when service is granted\&. +.PP +The format of the memory is a malloc()\*(Aqd array of char pointers, the last element of which is set to NULL\&. Each of the non\-NULL entries in this array point to a NUL terminated and malloc()\*(Aqd char string of the form: "\fIname=value\fR"\&. +.PP +It should be noted that this memory will never be free()\*(Aqd by libpam\&. Once obtained by a call to +\fBpam_getenvlist\fR, it is the responsibility of the calling application to free() this memory\&. +.PP +It is by design, and not a coincidence, that the format and contents of the returned array matches that required for the third argument of the +\fBexecle\fR(3) +function call\&. +.SH "RETURN VALUES" +.PP +The +\fBpam_getenvlist\fR +function returns NULL on failure\&. +.SH "SEE ALSO" +.PP +\fBpam_start\fR(3), +\fBpam_getenv\fR(3), +\fBpam_putenv\fR(3), +\fBpam\fR(8) diff --git a/doc/man/pam_getenvlist.3.xml b/doc/man/pam_getenvlist.3.xml new file mode 100644 index 0000000..1c29b73 --- /dev/null +++ b/doc/man/pam_getenvlist.3.xml @@ -0,0 +1,85 @@ + + + + + pam_getenvlist + 3 + Linux-PAM Manual + + + + pam_getenvlist + getting the PAM environment + + + + + + + #include <security/pam_appl.h> + + char **pam_getenvlist + pam_handle_t *pamh + + + + + + + DESCRIPTION + + The pam_getenvlist function returns a complete + copy of the PAM environment as associated with the handle + pamh. The PAM environment variables + represent the contents of the regular environment variables of the + authenticated user when service is granted. + + + The format of the memory is a malloc()'d array of char pointers, + the last element of which is set to NULL. Each of the non-NULL + entries in this array point to a NUL terminated and malloc()'d + char string of the form: "name=value". + + + It should be noted that this memory will never be free()'d by + libpam. Once obtained by a call to + pam_getenvlist, it is the responsibility of + the calling application to free() this memory. + + + It is by design, and not a coincidence, that the format and contents + of the returned array matches that required for the third argument of + the + + execle3 + function call. + + + + + RETURN VALUES + + The pam_getenvlist function returns NULL + on failure. + + + + + SEE ALSO + + + pam_start3 + , + + pam_getenv3 + , + + pam_putenv3 + , + + pam8 + + + + diff --git a/doc/man/pam_info.3 b/doc/man/pam_info.3 new file mode 100644 index 0000000..c6d175b --- /dev/null +++ b/doc/man/pam_info.3 @@ -0,0 +1,86 @@ +'\" t +.\" Title: pam_info +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_INFO" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_info, pam_vinfo \- display messages to the user +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_info('u +.BI "int pam_info(pam_handle_t\ *" "pamh" ", const\ char\ *" "fmt" ", " "\&.\&.\&." ");" +.HP \w'int\ pam_vinfo('u +.BI "int pam_vinfo(pam_handle_t\ *" "pamh" ", const\ char\ *" "fmt" ", va_list\ " "args" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_info\fR +function prints messages through the conversation function to the user\&. +.PP +The +\fBpam_vinfo\fR +function performs the same task as +\fBpam_info()\fR +with the difference that it takes a set of arguments which have been obtained using the +\fBstdarg\fR(3) +variable argument list macros\&. +.SH "RETURN VALUES" +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_CONV_ERR +.RS 4 +Conversation failure\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Transaction was successful created\&. +.RE +.PP +PAM_SYSTEM_ERR +.RS 4 +System error\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam\fR(8) +.SH "STANDARDS" +.PP +The +\fBpam_info\fR +and +\fBpam_vinfo\fR +functions are Linux\-PAM extensions\&. diff --git a/doc/man/pam_info.3.xml b/doc/man/pam_info.3.xml new file mode 100644 index 0000000..88e671c --- /dev/null +++ b/doc/man/pam_info.3.xml @@ -0,0 +1,109 @@ + + + + + + + pam_info + 3 + Linux-PAM Manual + + + + pam_info + pam_vinfo + display messages to the user + + + + + + + #include <security/pam_ext.h> + + int pam_info + pam_handle_t *pamh + const char *fmt + ... + + + int pam_vinfo + pam_handle_t *pamh + const char *fmt + va_list args + + + + + + DESCRIPTION + + The pam_info function prints messages + through the conversation function to the user. + + + The pam_vinfo function performs the same + task as pam_info() with the difference + that it takes a set of arguments which have been obtained using + the + stdarg3 + variable argument list macros. + + + + RETURN VALUES + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_CONV_ERR + + + Conversation failure. + + + + + PAM_SUCCESS + + + Transaction was successful created. + + + + + PAM_SYSTEM_ERR + + + System error. + + + + + + + + SEE ALSO + + + pam8 + + + + + + STANDARDS + + The pam_info and pam_vinfo + functions are Linux-PAM extensions. + + + + diff --git a/doc/man/pam_item_types_ext.inc.xml b/doc/man/pam_item_types_ext.inc.xml new file mode 100644 index 0000000..d36a5bd --- /dev/null +++ b/doc/man/pam_item_types_ext.inc.xml @@ -0,0 +1,61 @@ + + + + + PAM_FAIL_DELAY + + + A function pointer to redirect centrally managed + failure delays. See + + pam_fail_delay3 + . + + + + + + PAM_XDISPLAY + + + The name of the X display. For graphical, X-based applications the + value for this item should be the $DISPLAY + variable. This value may be used independently of + PAM_TTY for passing the + name of the display. + + + + + + PAM_XAUTHDATA + + + A pointer to a structure containing the X authentication data + required to make a connection to the display specified by + PAM_XDISPLAY, if such information is + necessary. See + + pam_xauth_data3 + . + + + + + + PAM_AUTHTOK_TYPE + + + The default action is for the module to use the + following prompts when requesting passwords: + "New UNIX password: " and "Retype UNIX password: ". + The example word UNIX can + be replaced with this item, by default it is empty. + This item is used by + pam_get_authtok3 + . + + + + + diff --git a/doc/man/pam_item_types_std.inc.xml b/doc/man/pam_item_types_std.inc.xml new file mode 100644 index 0000000..81f240b --- /dev/null +++ b/doc/man/pam_item_types_std.inc.xml @@ -0,0 +1,138 @@ + + + + + PAM_SERVICE + + + The service name (which identifies that PAM stack that + the PAM functions will use to authenticate the program). + + + + + + PAM_USER + + + The username of the entity under whose identity service + will be given. That is, following authentication, + PAM_USER identifies the local entity + that gets to use the service. Note, this value can be mapped + from something (eg., "anonymous") to something else (eg. + "guest119") by any module in the PAM stack. As such an + application should consult the value of + PAM_USER after each call to a PAM function. + + + + + + PAM_USER_PROMPT + + + The string used when prompting for a user's name. The default + value for this string is a localized version of "login: ". + + + + + + PAM_TTY + + + The terminal name: prefixed by /dev/ if + it is a device file; for graphical, X-based, applications the + value for this item should be the + $DISPLAY variable. + + + + + + PAM_RUSER + + + The requesting user name: local name for a locally + requesting user or a remote user name for a remote + requesting user. + + + Generally an application or module will attempt to supply + the value that is most strongly authenticated (a local account + before a remote one. The level of trust in this value is + embodied in the actual authentication stack associated with + the application, so it is ultimately at the discretion of the + system administrator. + + + PAM_RUSER@PAM_RHOST should always identify + the requesting user. In some cases, + PAM_RUSER may be NULL. In such situations, + it is unclear who the requesting entity is. + + + + + + PAM_RHOST + + + The requesting hostname (the hostname of the machine from + which the PAM_RUSER entity is requesting + service). That is PAM_RUSER@PAM_RHOST + does identify the requesting user. In some applications, + PAM_RHOST may be NULL. In such situations, + it is unclear where the authentication request is originating + from. + + + + + + PAM_AUTHTOK + + + The authentication token (often a password). This token + should be ignored by all module functions besides + + pam_sm_authenticate3 + and + + pam_sm_chauthtok3 + . + In the former function it is used to pass the most recent + authentication token from one stacked module to another. In + the latter function the token is used for another purpose. + It contains the currently active authentication token. + + + + + + PAM_OLDAUTHTOK + + + The old authentication token. This token should be ignored + by all module functions except + + pam_sm_chauthtok3 + . + + + + + + + PAM_CONV + + + The pam_conv structure. See + + pam_conv3 + . + + + + + diff --git a/doc/man/pam_misc_drop_env.3 b/doc/man/pam_misc_drop_env.3 new file mode 100644 index 0000000..5decbe5 --- /dev/null +++ b/doc/man/pam_misc_drop_env.3 @@ -0,0 +1,62 @@ +'\" t +.\" Title: pam_misc_drop_env +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_MISC_DROP_ENV" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_misc_drop_env \- liberating a locally saved environment +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_misc_drop_env('u +.BI "int pam_misc_drop_env(char\ **" "env" ");" +.SH "DESCRIPTION" +.PP +This function is defined to complement the +\fBpam_getenvlist\fR(3) +function\&. It liberates the memory associated with +\fIenv\fR, +\fIoverwriting\fR +with +\fI0\fR +all memory before +\fBfree()\fRing it\&. +.SH "SEE ALSO" +.PP +\fBpam_getenvlist\fR(3), +\fBpam\fR(8) +.SH "STANDARDS" +.PP +The +\fBpam_misc_drop_env\fR +function is part of the +\fBlibpam_misc\fR +Library and not defined in any standard\&. diff --git a/doc/man/pam_misc_drop_env.3.xml b/doc/man/pam_misc_drop_env.3.xml new file mode 100644 index 0000000..1941f58 --- /dev/null +++ b/doc/man/pam_misc_drop_env.3.xml @@ -0,0 +1,63 @@ + + + + + + + pam_misc_drop_env + 3 + Linux-PAM Manual + + + + pam_misc_drop_env + liberating a locally saved environment + + + + + + + #include <security/pam_misc.h> + + int pam_misc_drop_env + char **env + + + + + + DESCRIPTION + + This function is defined to complement the + pam_getenvlist3 + function. It liberates the memory associated + with env, overwriting + with 0 all memory before + free()ing it. + + + + + SEE ALSO + + + pam_getenvlist3 + , + + pam8 + + + + + + STANDARDS + + The pam_misc_drop_env function is part of the + libpam_misc Library and not defined in any + standard. + + + + diff --git a/doc/man/pam_misc_paste_env.3 b/doc/man/pam_misc_paste_env.3 new file mode 100644 index 0000000..41456d1 --- /dev/null +++ b/doc/man/pam_misc_paste_env.3 @@ -0,0 +1,57 @@ +'\" t +.\" Title: pam_misc_paste_env +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_MISC_PASTE_ENV" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_misc_paste_env \- transcribing an environment to that of PAM +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_misc_paste_env('u +.BI "int pam_misc_paste_env(pam_handle_t\ *" "pamh" ", const\ char\ *\ const\ *" "user" ");" +.SH "DESCRIPTION" +.PP +This function takes the supplied list of environment pointers and +\fIuploads\fR +its contents to the PAM environment\&. Success is indicated by +PAM_SUCCESS\&. +.SH "SEE ALSO" +.PP +\fBpam_putenv\fR(3), +\fBpam\fR(8) +.SH "STANDARDS" +.PP +The +\fBpam_misc_paste_env\fR +function is part of the +\fBlibpam_misc\fR +Library and not defined in any standard\&. diff --git a/doc/man/pam_misc_paste_env.3.xml b/doc/man/pam_misc_paste_env.3.xml new file mode 100644 index 0000000..d9a282c --- /dev/null +++ b/doc/man/pam_misc_paste_env.3.xml @@ -0,0 +1,61 @@ + + + + + + + pam_misc_paste_env + 3 + Linux-PAM Manual + + + + pam_misc_paste_env + transcribing an environment to that of PAM + + + + + + + #include <security/pam_misc.h> + + int pam_misc_paste_env + pam_handle_t *pamh + const char * const *user + + + + + + DESCRIPTION + + This function takes the supplied list of environment pointers and + uploads its contents to the PAM environment. + Success is indicated by PAM_SUCCESS. + + + + + SEE ALSO + + + pam_putenv3 + , + + pam8 + + + + + + STANDARDS + + The pam_misc_paste_env function is part of the + libpam_misc Library and not defined in any + standard. + + + + diff --git a/doc/man/pam_misc_setenv.3 b/doc/man/pam_misc_setenv.3 new file mode 100644 index 0000000..575456d --- /dev/null +++ b/doc/man/pam_misc_setenv.3 @@ -0,0 +1,62 @@ +'\" t +.\" Title: pam_misc_setenv +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_MISC_SETENV" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_misc_setenv \- BSD like PAM environment variable setting +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_misc_setenv('u +.BI "int pam_misc_setenv(pam_handle_t\ *" "pamh" ", const\ char\ *" "name" ", const\ char\ *" "value" ", int\ " "readonly" ");" +.SH "DESCRIPTION" +.PP +This function performs a task equivalent to +\fBpam_putenv\fR(3), its syntax is, however, more like the BSD style function; +\fBsetenv()\fR\&. The +\fIname\fR +and +\fIvalue\fR +are concatenated with an \*(Aq=\*(Aq to form a name=value and passed to +\fBpam_putenv()\fR\&. If, however, the PAM variable is already set, the replacement will only be applied if the last argument, +\fIreadonly\fR, is zero\&. +.SH "SEE ALSO" +.PP +\fBpam_putenv\fR(3), +\fBpam\fR(8) +.SH "STANDARDS" +.PP +The +\fBpam_misc_setenv\fR +function is part of the +\fBlibpam_misc\fR +Library and not defined in any standard\&. diff --git a/doc/man/pam_misc_setenv.3.xml b/doc/man/pam_misc_setenv.3.xml new file mode 100644 index 0000000..7e61a8d --- /dev/null +++ b/doc/man/pam_misc_setenv.3.xml @@ -0,0 +1,68 @@ + + + + + + + pam_misc_setenv + 3 + Linux-PAM Manual + + + pam_misc_setenv + BSD like PAM environment variable setting + + + + + + + #include <security/pam_misc.h> + + int pam_misc_setenv + pam_handle_t *pamh + const char *name + const char *value + int readonly + + + + + + DESCRIPTION + + This function performs a task equivalent to + pam_putenv3 + , its syntax is, however, more like the BSD style + function; setenv(). The name + and value are concatenated with an '=' to + form a name=value and passed to pam_putenv(). + If, however, the PAM variable is already set, the replacement will + only be applied if the last argument, readonly, + is zero. + + + + + SEE ALSO + + + pam_putenv3 + , + + pam8 + + + + + + STANDARDS + + The pam_misc_setenv function is part of the + libpam_misc Library and not defined in any + standard. + + + + diff --git a/doc/man/pam_open_session.3 b/doc/man/pam_open_session.3 new file mode 100644 index 0000000..a80a9e1 --- /dev/null +++ b/doc/man/pam_open_session.3 @@ -0,0 +1,81 @@ +'\" t +.\" Title: pam_open_session +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_OPEN_SESSION" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_open_session \- start PAM session management +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_open_session('u +.BI "int pam_open_session(pam_handle_t\ *" "pamh" ", int\ " "flags" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_open_session\fR +function sets up a user session for a previously successful authenticated user\&. The session should later be terminated with a call to +\fBpam_close_session\fR(3)\&. +.PP +It should be noted that the effective uid, +\fBgeteuid\fR(2)\&. of the application should be of sufficient privilege to perform such tasks as creating or mounting the user\*(Aqs home directory for example\&. +.PP +The flags argument is the binary or of zero or more of the following values: +.PP +PAM_SILENT +.RS 4 +Do not emit any messages\&. +.RE +.SH "RETURN VALUES" +.PP +PAM_ABORT +.RS 4 +General failure\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_SESSION_ERR +.RS 4 +Session failure\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Session was successful created\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_close_session\fR(3), +\fBpam_strerror\fR(3) diff --git a/doc/man/pam_open_session.3.xml b/doc/man/pam_open_session.3.xml new file mode 100644 index 0000000..eba0bc0 --- /dev/null +++ b/doc/man/pam_open_session.3.xml @@ -0,0 +1,115 @@ + + + + + + + pam_open_session + 3 + Linux-PAM Manual + + + + pam_open_session + start PAM session management + + + + + + + #include <security/pam_appl.h> + + int pam_open_session + pam_handle_t *pamh + int flags + + + + + + + DESCRIPTION + + The pam_open_session function sets up a + user session for a previously successful authenticated user. + The session should later be terminated with a call to + + pam_close_session3 + . + + + It should be noted that the effective uid, + + geteuid2 + . of the application should be of sufficient + privilege to perform such tasks as creating or mounting the + user's home directory for example. + + + The flags argument is the binary or of zero or more of the + following values: + + + + PAM_SILENT + + + Do not emit any messages. + + + + + + + + RETURN VALUES + + + PAM_ABORT + + + General failure. + + + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_SESSION_ERR + + + Session failure. + + + + + PAM_SUCCESS + + + Session was successful created. + + + + + + + + SEE ALSO + + + pam_close_session3 + , + + pam_strerror3 + + + + diff --git a/doc/man/pam_prompt.3 b/doc/man/pam_prompt.3 new file mode 100644 index 0000000..3ff08e7 --- /dev/null +++ b/doc/man/pam_prompt.3 @@ -0,0 +1,81 @@ +'\" t +.\" Title: pam_prompt +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_PROMPT" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_prompt, pam_vprompt \- interface to conversation function +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_prompt('u +.BI "int pam_prompt(pam_handle_t\ *" "pamh" ", int\ " "style" ", char\ **" "response" ", const\ char\ *" "fmt" ", " "\&.\&.\&." ");" +.HP \w'int\ pam_vprompt('u +.BI "int pam_vprompt(pam_handle_t\ *" "pamh" ", int\ " "style" ", char\ **" "response" ", const\ char\ *" "fmt" ", va_list\ " "args" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_prompt\fR +function constructs a message from the specified format string and arguments and passes it to the conversation function as set by the service\&. Upon successful return, +\fIresponse\fR +is set to point to a string returned from the conversation function\&. This string is allocated on heap and should be freed\&. +.SH "RETURN VALUES" +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_CONV_ERR +.RS 4 +Conversation failure\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Conversation succeeded, response is set\&. +.RE +.PP +PAM_SYSTEM_ERR +.RS 4 +System error\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam\fR(8), +\fBpam_conv\fR(3) +.SH "STANDARDS" +.PP +The +\fBpam_prompt\fR +and +\fBpam_vprompt\fR +functions are Linux\-PAM extensions\&. diff --git a/doc/man/pam_prompt.3.xml b/doc/man/pam_prompt.3.xml new file mode 100644 index 0000000..bf0c9bf --- /dev/null +++ b/doc/man/pam_prompt.3.xml @@ -0,0 +1,114 @@ + + + + + + + pam_prompt + 3 + Linux-PAM Manual + + + + pam_prompt + pam_vprompt + interface to conversation function + + + + + + + #include <security/pam_ext.h> + + int pam_prompt + pam_handle_t *pamh + int style + char **response + const char *fmt + ... + + + int pam_vprompt + pam_handle_t *pamh + int style + char **response + const char *fmt + va_list args + + + + + + DESCRIPTION + + The pam_prompt function constructs a message + from the specified format string and arguments and passes it to the + conversation function as set by the service. Upon successful return, + response is set to point to a string + returned from the conversation function. This string is allocated + on heap and should be freed. + + + + + RETURN VALUES + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_CONV_ERR + + + Conversation failure. + + + + + PAM_SUCCESS + + + Conversation succeeded, response is set. + + + + + PAM_SYSTEM_ERR + + + System error. + + + + + + + + + SEE ALSO + + + pam8 + , + + pam_conv3 + + + + + + STANDARDS + + The pam_prompt and pam_vprompt + functions are Linux-PAM extensions. + + + + diff --git a/doc/man/pam_putenv.3 b/doc/man/pam_putenv.3 new file mode 100644 index 0000000..b832950 --- /dev/null +++ b/doc/man/pam_putenv.3 @@ -0,0 +1,111 @@ +'\" t +.\" Title: pam_putenv +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_PUTENV" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_putenv \- set or change PAM environment variable +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_putenv('u +.BI "int pam_putenv(pam_handle_t\ *" "pamh" ", const\ char\ *" "name_value" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_putenv\fR +function is used to add or change the value of PAM environment variables as associated with the +\fIpamh\fR +handle\&. +.PP +The +\fIpamh\fR +argument is an authentication handle obtained by a prior call to pam_start()\&. The +\fIname_value\fR +argument is a single NUL terminated string of one of the following forms: +.PP +NAME=value of variable +.RS 4 +In this case the environment variable of the given NAME is set to the indicated value: +\fIvalue of variable\fR\&. If this variable is already known, it is overwritten\&. Otherwise it is added to the PAM environment\&. +.RE +.PP +NAME= +.RS 4 +This function sets the variable to an empty value\&. It is listed separately to indicate that this is the correct way to achieve such a setting\&. +.RE +.PP +NAME +.RS 4 +Without an \*(Aq=\*(Aq the +\fBpam_putenv\fR() function will delete the corresponding variable from the PAM environment\&. +.RE +.PP +\fBpam_putenv\fR() operates on a copy of +\fIname_value\fR, which means in contrast to +\fBputenv\fR(3), the application is responsible for freeing the data\&. +.SH "RETURN VALUES" +.PP +PAM_PERM_DENIED +.RS 4 +Argument +\fIname_value\fR +given is a NULL pointer\&. +.RE +.PP +PAM_BAD_ITEM +.RS 4 +Variable requested (for deletion) is not currently set\&. +.RE +.PP +PAM_ABORT +.RS 4 +The +\fIpamh\fR +handle is corrupt\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +The environment variable was successfully updated\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_start\fR(3), +\fBpam_getenv\fR(3), +\fBpam_getenvlist\fR(3), +\fBpam_strerror\fR(3), +\fBpam\fR(8) diff --git a/doc/man/pam_putenv.3.xml b/doc/man/pam_putenv.3.xml new file mode 100644 index 0000000..2d4afbc --- /dev/null +++ b/doc/man/pam_putenv.3.xml @@ -0,0 +1,152 @@ + + + + + pam_putenv + 3 + Linux-PAM Manual + + + + pam_putenv + set or change PAM environment variable + + + + + + + #include <security/pam_appl.h> + + int pam_putenv + pam_handle_t *pamh + const char *name_value + + + + + + + DESCRIPTION + + The pam_putenv function is used to + add or change the value of PAM environment variables as + associated with the pamh handle. + + + The pamh argument is an authentication + handle obtained by a prior call to pam_start(). + The name_value argument is a single NUL + terminated string of one of the following forms: + + + + NAME=value of variable + + + In this case the environment variable of the given NAME + is set to the indicated value: + value of variable. If this variable + is already known, it is overwritten. Otherwise it is added + to the PAM environment. + + + + + NAME= + + + This function sets the variable to an empty value. It is + listed separately to indicate that this is the correct way + to achieve such a setting. + + + + + NAME + + + Without an '=' the pam_putenv() function + will delete the + corresponding variable from the PAM environment. + + + + + + pam_putenv() operates on a copy of + name_value, which means in contrast to + + putenv3 + , the application is responsible for freeing the data. + + + + + RETURN VALUES + + + PAM_PERM_DENIED + + + Argument name_value given is a NULL pointer. + + + + + PAM_BAD_ITEM + + + Variable requested (for deletion) is not currently set. + + + + + PAM_ABORT + + + The pamh handle is corrupt. + + + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_SUCCESS + + + The environment variable was successfully updated. + + + + + + + + SEE ALSO + + + pam_start3 + , + + pam_getenv3 + , + + pam_getenvlist3 + , + + pam_strerror3 + , + + pam8 + + + + diff --git a/doc/man/pam_set_data.3 b/doc/man/pam_set_data.3 new file mode 100644 index 0000000..ea00056 --- /dev/null +++ b/doc/man/pam_set_data.3 @@ -0,0 +1,119 @@ +'\" t +.\" Title: pam_set_data +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_SET_DATA" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_set_data \- set module internal data +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_set_data('u +.BI "int pam_set_data(pam_handle_t\ *" "pamh" ", const\ char\ *" "module_data_name" ", void\ *" "data" ", void\ " "(*cleanup)(pam_handle_t\ *pamh,\ void\ *data,\ int\ error_status)" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_set_data\fR +function associates a pointer to an object with the (hopefully) unique string +\fImodule_data_name\fR +in the PAM context specified by the +\fIpamh\fR +argument\&. +.PP +PAM modules may be dynamically loadable objects\&. In general such files should not contain +\fIstatic\fR +variables\&. This function and its counterpart +\fBpam_get_data\fR(3), provide a mechanism for a module to associate some data with the handle +\fIpamh\fR\&. Typically a module will call the +\fBpam_set_data\fR +function to register some data under a (hopefully) unique +\fImodule_data_name\fR\&. The data is available for use by other modules too but +\fInot\fR +by an application\&. Since this functions stores only a pointer to the +\fIdata\fR, the module should not modify or free the content of it\&. +.PP +The function +\fBcleanup()\fR +is associated with the +\fIdata\fR +and, if non\-NULL, it is called when this data is over\-written or following a call to +\fBpam_end\fR(3)\&. +.PP +The +\fIerror_status\fR +argument is used to indicate to the module the sort of action it is to take in cleaning this data item\&. As an example, Kerberos creates a ticket file during the authentication phase, this file might be associated with a data item\&. When +\fBpam_end\fR(3) +is called by the module, the +\fIerror_status\fR +carries the return value of the +\fBpam_authenticate\fR(3) +or other +\fIlibpam\fR +function as appropriate\&. Based on this value the Kerberos module may choose to delete the ticket file (\fIauthentication failure\fR) or leave it in place\&. +.PP +The +\fIerror_status\fR +may have been logically OR\*(Aqd with either of the following two values: +.PP +PAM_DATA_REPLACE +.RS 4 +When a data item is being replaced (through a second call to +\fBpam_set_data\fR) this mask is used\&. Otherwise, the call is assumed to be from +\fBpam_end\fR(3)\&. +.RE +.PP +PAM_DATA_SILENT +.RS 4 +Which indicates that the process would prefer to perform the +\fBcleanup()\fR +quietly\&. That is, discourages logging/messages to the user\&. +.RE +.SH "RETURN VALUES" +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Data was successful stored\&. +.RE +.PP +PAM_SYSTEM_ERR +.RS 4 +A NULL pointer was submitted as PAM handle or the function was called by an application\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_end\fR(3), +\fBpam_get_data\fR(3), +\fBpam_strerror\fR(3) diff --git a/doc/man/pam_set_data.3.xml b/doc/man/pam_set_data.3.xml new file mode 100644 index 0000000..c20068c --- /dev/null +++ b/doc/man/pam_set_data.3.xml @@ -0,0 +1,172 @@ + + + + + + + pam_set_data + 3 + Linux-PAM Manual + + + + pam_set_data + + set module internal data + + + + + + + + + + #include <security/pam_modules.h> + + int pam_set_data + pam_handle_t *pamh + const char *module_data_name + void *data + void (*cleanup)(pam_handle_t *pamh, void *data, int error_status) + + + + + + + + DESCRIPTION + + The pam_set_data function associates a pointer + to an object with the (hopefully) unique string + module_data_name in the PAM context specified + by the pamh argument. + + + + PAM modules may be dynamically loadable objects. In general such files + should not contain static variables. This function + and its counterpart + + pam_get_data3 + , + provide a mechanism for a module to associate some data with + the handle pamh. Typically a module will call the + pam_set_data function to register some data + under a (hopefully) unique module_data_name. + The data is available for use by other modules too but + not by an application. Since this functions + stores only a pointer to the data, the module + should not modify or free the content of it. + + + + The function cleanup() is associated with the + data and, if non-NULL, it is called when this + data is over-written or following a call to + + pam_end3 + . + + + + The error_status argument is used to indicate + to the module the sort of action it is to take in cleaning this data + item. As an example, Kerberos creates a ticket file during the + authentication phase, this file might be associated with a data item. + When + + pam_end3 + + is called by the module, the error_status + carries the return value of the + + pam_authenticate3 + + or other libpam function as appropriate. Based + on this value the Kerberos module may choose to delete the ticket file + (authentication failure) or leave it in place. + + + + The error_status may have been logically + OR'd with either of the following two values: + + + + + PAM_DATA_REPLACE + + + When a data item is being replaced (through a second call to + pam_set_data) this mask is used. + Otherwise, the call is assumed to be from + + pam_end3 + . + + + + + + PAM_DATA_SILENT + + + Which indicates that the process would prefer to perform the + cleanup() quietly. That is, discourages + logging/messages to the user. + + + + + + + + RETURN VALUES + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_SUCCESS + + + Data was successful stored. + + + + + PAM_SYSTEM_ERR + + + A NULL pointer was submitted as PAM handle or the + function was called by an application. + + + + + + + + SEE ALSO + + + pam_end3 + , + + pam_get_data3 + , + + pam_strerror3 + + + + + diff --git a/doc/man/pam_set_item.3 b/doc/man/pam_set_item.3 new file mode 100644 index 0000000..867897d --- /dev/null +++ b/doc/man/pam_set_item.3 @@ -0,0 +1,193 @@ +'\" t +.\" Title: pam_set_item +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_SET_ITEM" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_set_item \- set and update PAM information +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_set_item('u +.BI "int pam_set_item(pam_handle_t\ *" "pamh" ", int\ " "item_type" ", const\ void\ *" "item" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_set_item\fR +function allows applications and PAM service modules to access and to update PAM information of +\fIitem_type\fR\&. For this a copy of the object pointed to by the +\fIitem\fR +argument is created\&. The following +\fIitem_type\fRs are supported: +.PP +PAM_SERVICE +.RS 4 +The service name (which identifies that PAM stack that the PAM functions will use to authenticate the program)\&. +.RE +.PP +PAM_USER +.RS 4 +The username of the entity under whose identity service will be given\&. That is, following authentication, +\fIPAM_USER\fR +identifies the local entity that gets to use the service\&. Note, this value can be mapped from something (eg\&., "anonymous") to something else (eg\&. "guest119") by any module in the PAM stack\&. As such an application should consult the value of +\fIPAM_USER\fR +after each call to a PAM function\&. +.RE +.PP +PAM_USER_PROMPT +.RS 4 +The string used when prompting for a user\*(Aqs name\&. The default value for this string is a localized version of "login: "\&. +.RE +.PP +PAM_TTY +.RS 4 +The terminal name: prefixed by +/dev/ +if it is a device file; for graphical, X\-based, applications the value for this item should be the +\fI$DISPLAY\fR +variable\&. +.RE +.PP +PAM_RUSER +.RS 4 +The requesting user name: local name for a locally requesting user or a remote user name for a remote requesting user\&. +.sp +Generally an application or module will attempt to supply the value that is most strongly authenticated (a local account before a remote one\&. The level of trust in this value is embodied in the actual authentication stack associated with the application, so it is ultimately at the discretion of the system administrator\&. +.sp +\fIPAM_RUSER@PAM_RHOST\fR +should always identify the requesting user\&. In some cases, +\fIPAM_RUSER\fR +may be NULL\&. In such situations, it is unclear who the requesting entity is\&. +.RE +.PP +PAM_RHOST +.RS 4 +The requesting hostname (the hostname of the machine from which the +\fIPAM_RUSER\fR +entity is requesting service)\&. That is +\fIPAM_RUSER@PAM_RHOST\fR +does identify the requesting user\&. In some applications, +\fIPAM_RHOST\fR +may be NULL\&. In such situations, it is unclear where the authentication request is originating from\&. +.RE +.PP +PAM_AUTHTOK +.RS 4 +The authentication token (often a password)\&. This token should be ignored by all module functions besides +\fBpam_sm_authenticate\fR(3) +and +\fBpam_sm_chauthtok\fR(3)\&. In the former function it is used to pass the most recent authentication token from one stacked module to another\&. In the latter function the token is used for another purpose\&. It contains the currently active authentication token\&. +.RE +.PP +PAM_OLDAUTHTOK +.RS 4 +The old authentication token\&. This token should be ignored by all module functions except +\fBpam_sm_chauthtok\fR(3)\&. +.RE +.PP +PAM_CONV +.RS 4 +The pam_conv structure\&. See +\fBpam_conv\fR(3)\&. +.RE +.PP +The following additional items are specific to Linux\-PAM and should not be used in portable applications: +.PP +PAM_FAIL_DELAY +.RS 4 +A function pointer to redirect centrally managed failure delays\&. See +\fBpam_fail_delay\fR(3)\&. +.RE +.PP +PAM_XDISPLAY +.RS 4 +The name of the X display\&. For graphical, X\-based applications the value for this item should be the +\fI$DISPLAY\fR +variable\&. This value may be used independently of +\fIPAM_TTY\fR +for passing the name of the display\&. +.RE +.PP +PAM_XAUTHDATA +.RS 4 +A pointer to a structure containing the X authentication data required to make a connection to the display specified by +\fIPAM_XDISPLAY\fR, if such information is necessary\&. See +\fBpam_xauth_data\fR(3)\&. +.RE +.PP +PAM_AUTHTOK_TYPE +.RS 4 +The default action is for the module to use the following prompts when requesting passwords: "New UNIX password: " and "Retype UNIX password: "\&. The example word +\fIUNIX\fR +can be replaced with this item, by default it is empty\&. This item is used by +\fBpam_get_authtok\fR(3)\&. +.RE +.PP +For all +\fIitem_type\fRs, other than PAM_CONV and PAM_FAIL_DELAY, +\fIitem\fR +is a pointer to a terminated character string\&. In the case of PAM_CONV, +\fIitem\fR +points to an initialized +\fIpam_conv\fR +structure\&. In the case of PAM_FAIL_DELAY, +\fIitem\fR +is a function pointer: +\fBvoid (*delay_fn)(int retval, unsigned usec_delay, void *appdata_ptr)\fR +.PP +Both, PAM_AUTHTOK and PAM_OLDAUTHTOK, will be reset before returning to the application\&. Which means an application is not able to access the authentication tokens\&. +.SH "RETURN VALUES" +.PP +PAM_BAD_ITEM +.RS 4 +The application attempted to set an undefined or inaccessible item\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Data was successful updated\&. +.RE +.PP +PAM_SYSTEM_ERR +.RS 4 +The +\fIpam_handle_t\fR +passed as first argument was invalid\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_get_item\fR(3), +\fBpam_strerror\fR(3) diff --git a/doc/man/pam_set_item.3.xml b/doc/man/pam_set_item.3.xml new file mode 100644 index 0000000..30ab92b --- /dev/null +++ b/doc/man/pam_set_item.3.xml @@ -0,0 +1,136 @@ + + + +--> +]> + + + + + pam_set_item + 3 + Linux-PAM Manual + + + + pam_set_item + + set and update PAM information + + + + + + + + + + #include <security/pam_modules.h> + + int pam_set_item + pam_handle_t *pamh + int item_type + const void *item + + + + + + + + DESCRIPTION + + The pam_set_item function allows applications + and PAM service modules to access and to update PAM information + of item_type. For this a copy + of the object pointed to by the item argument + is created. The following item_types are + supported: + + + + + + The following additional items are specific to Linux-PAM and should not be used in + portable applications: + + + + + + For all item_types, other than PAM_CONV and + PAM_FAIL_DELAY, item is a pointer to a <NUL> + terminated character string. In the case of PAM_CONV, + item points to an initialized + pam_conv structure. In the case of + PAM_FAIL_DELAY, item is a function pointer: + void (*delay_fn)(int retval, unsigned usec_delay, void *appdata_ptr) + + + + Both, PAM_AUTHTOK and PAM_OLDAUTHTOK, will be reset before + returning to the application. Which means an application is not + able to access the authentication tokens. + + + + + + RETURN VALUES + + + PAM_BAD_ITEM + + + The application attempted to set an undefined or inaccessible + item. + + + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_SUCCESS + + + Data was successful updated. + + + + + PAM_SYSTEM_ERR + + + The pam_handle_t passed as first + argument was invalid. + + + + + + + + SEE ALSO + + + pam_get_item3 + , + + pam_strerror3 + + + + + diff --git a/doc/man/pam_setcred.3 b/doc/man/pam_setcred.3 new file mode 100644 index 0000000..3ed0fd7 --- /dev/null +++ b/doc/man/pam_setcred.3 @@ -0,0 +1,122 @@ +'\" t +.\" Title: pam_setcred +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_SETCRED" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_setcred \- establish / delete user credentials +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_setcred('u +.BI "int pam_setcred(pam_handle_t\ *" "pamh" ", int\ " "flags" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_setcred\fR +function is used to establish, maintain and delete the credentials of a user\&. It should be called to set the credentials after a user has been authenticated and before a session is opened for the user (with +\fBpam_open_session\fR(3))\&. The credentials should be deleted after the session has been closed (with +\fBpam_close_session\fR(3))\&. +.PP +A credential is something that the user possesses\&. It is some property, such as a +\fIKerberos\fR +ticket, or a supplementary group membership that make up the uniqueness of a given user\&. On a Linux system the user\*(Aqs +\fIUID\fR +and +\fIGID\fR\*(Aqs are credentials too\&. However, it has been decided that these properties (along with the default supplementary groups of which the user is a member) are credentials that should be set directly by the application and not by PAM\&. Such credentials should be established, by the application, prior to a call to this function\&. For example, +\fBinitgroups\fR(2) +(or equivalent) should have been performed\&. +.PP +Valid +\fIflags\fR, any one of which, may be logically OR\*(Aqd with +\fBPAM_SILENT\fR, are: +.PP +PAM_ESTABLISH_CRED +.RS 4 +Initialize the credentials for the user\&. +.RE +.PP +PAM_DELETE_CRED +.RS 4 +Delete the user\*(Aqs credentials\&. +.RE +.PP +PAM_REINITIALIZE_CRED +.RS 4 +Fully reinitialize the user\*(Aqs credentials\&. +.RE +.PP +PAM_REFRESH_CRED +.RS 4 +Extend the lifetime of the existing credentials\&. +.RE +.SH "RETURN VALUES" +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_CRED_ERR +.RS 4 +Failed to set user credentials\&. +.RE +.PP +PAM_CRED_EXPIRED +.RS 4 +User credentials are expired\&. +.RE +.PP +PAM_CRED_UNAVAIL +.RS 4 +Failed to retrieve user credentials\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Data was successful stored\&. +.RE +.PP +PAM_SYSTEM_ERR +.RS 4 +A NULL pointer was submitted as PAM handle, the function was called by a module or another system error occurred\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +User is not known to an authentication module\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_authenticate\fR(3), +\fBpam_open_session\fR(3), +\fBpam_close_session\fR(3), +\fBpam_strerror\fR(3) diff --git a/doc/man/pam_setcred.3.xml b/doc/man/pam_setcred.3.xml new file mode 100644 index 0000000..6292248 --- /dev/null +++ b/doc/man/pam_setcred.3.xml @@ -0,0 +1,180 @@ + + + + + + + pam_setcred + 3 + Linux-PAM Manual + + + + pam_setcred + + establish / delete user credentials + + + + + + + #include <security/pam_appl.h> + + int pam_setcred + pam_handle_t *pamh + int flags + + + + + + + DESCRIPTION + + The pam_setcred function is used to establish, + maintain and delete the credentials of a user. It should be called + to set the credentials after a user has been authenticated and before + a session is opened for the user (with + + pam_open_session3 + ). The credentials should be deleted after the session + has been closed (with + + pam_close_session3 + ). + + + + A credential is something that the user possesses. It is some + property, such as a Kerberos ticket, or a + supplementary group membership that make up the uniqueness of a + given user. On a Linux system the user's UID + and GID's are credentials too. However, it + has been decided that these properties (along with the default + supplementary groups of which the user is a member) are credentials + that should be set directly by the application and not by PAM. + Such credentials should be established, by the application, prior + to a call to this function. For example, + + initgroups2 + (or equivalent) should have been performed. + + + + Valid flags, any one of which, may be + logically OR'd with , are: + + + + + PAM_ESTABLISH_CRED + + Initialize the credentials for the user. + + + + PAM_DELETE_CRED + + Delete the user's credentials. + + + + PAM_REINITIALIZE_CRED + + Fully reinitialize the user's credentials. + + + + PAM_REFRESH_CRED + + Extend the lifetime of the existing credentials. + + + + + + + RETURN VALUES + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_CRED_ERR + + + Failed to set user credentials. + + + + + PAM_CRED_EXPIRED + + + User credentials are expired. + + + + + PAM_CRED_UNAVAIL + + + Failed to retrieve user credentials. + + + + + PAM_SUCCESS + + + Data was successful stored. + + + + + PAM_SYSTEM_ERR + + + A NULL pointer was submitted as PAM handle, the + function was called by a module or another system + error occurred. + + + + + PAM_USER_UNKNOWN + + + User is not known to an authentication module. + + + + + + + + + SEE ALSO + + + pam_authenticate3 + , + + pam_open_session3 + , + + pam_close_session3 + , + + pam_strerror3 + + + + diff --git a/doc/man/pam_sm_acct_mgmt.3 b/doc/man/pam_sm_acct_mgmt.3 new file mode 100644 index 0000000..58c0e98 --- /dev/null +++ b/doc/man/pam_sm_acct_mgmt.3 @@ -0,0 +1,105 @@ +'\" t +.\" Title: pam_sm_acct_mgmt +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_SM_ACCT_MGMT" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_sm_acct_mgmt \- PAM service function for account management +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_sm_acct_mgmt('u +.BI "int pam_sm_acct_mgmt(pam_handle_t\ *" "pamh" ", int\ " "flags" ", int\ " "argc" ", const\ char\ **" "argv" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_sm_acct_mgmt\fR +function is the service module\*(Aqs implementation of the +\fBpam_acct_mgmt\fR(3) +interface\&. +.PP +This function performs the task of establishing whether the user is permitted to gain access at this time\&. It should be understood that the user has previously been validated by an authentication module\&. This function checks for other things\&. Such things might be: the time of day or the date, the terminal line, remote hostname, etc\&. This function may also determine things like the expiration on passwords, and respond that the user change it before continuing\&. +.PP +Valid flags, which may be logically OR\*(Aqd with +\fIPAM_SILENT\fR, are: +.PP +PAM_SILENT +.RS 4 +Do not emit any messages\&. +.RE +.PP +PAM_DISALLOW_NULL_AUTHTOK +.RS 4 +Return +\fBPAM_AUTH_ERR\fR +if the database of authentication tokens for this authentication mechanism has a +\fINULL\fR +entry for the user\&. +.RE +.SH "RETURN VALUES" +.PP +PAM_ACCT_EXPIRED +.RS 4 +User account has expired\&. +.RE +.PP +PAM_AUTH_ERR +.RS 4 +Authentication failure\&. +.RE +.PP +PAM_NEW_AUTHTOK_REQD +.RS 4 +The user\*(Aqs authentication token has expired\&. Before calling this function again the application will arrange for a new one to be given\&. This will likely result in a call to +\fBpam_sm_chauthtok()\fR\&. +.RE +.PP +PAM_PERM_DENIED +.RS 4 +Permission denied\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +The authentication token was successfully updated\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +User unknown to password service\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam\fR(3), +\fBpam_acct_mgmt\fR(3), +\fBpam_sm_chauthtok\fR(3), +\fBpam_strerror\fR(3), +\fBPAM\fR(8) diff --git a/doc/man/pam_sm_acct_mgmt.3.xml b/doc/man/pam_sm_acct_mgmt.3.xml new file mode 100644 index 0000000..b37dc30 --- /dev/null +++ b/doc/man/pam_sm_acct_mgmt.3.xml @@ -0,0 +1,154 @@ + + + + + pam_sm_acct_mgmt + 3 + Linux-PAM Manual + + + + pam_sm_acct_mgmt + PAM service function for account management + + + + + + + #include <security/pam_modules.h> + + int pam_sm_acct_mgmt + pam_handle_t *pamh + int flags + int argc + const char **argv + + + + + + + DESCRIPTION + + The pam_sm_acct_mgmt function is the service + module's implementation of the + + pam_acct_mgmt3 + interface. + + + This function performs the task of establishing whether the user is + permitted to gain access at this time. It should be understood that + the user has previously been validated by an authentication + module. This function checks for other things. Such things might be: + the time of day or the date, the terminal line, remote hostname, etc. + This function may also determine things like the expiration on + passwords, and respond that the user change it before continuing. + + + Valid flags, which may be logically OR'd with + PAM_SILENT, are: + + + + PAM_SILENT + + + Do not emit any messages. + + + + + PAM_DISALLOW_NULL_AUTHTOK + + + Return PAM_AUTH_ERR if the + database of authentication tokens for this authentication + mechanism has a NULL entry for the user. + + + + + + + + RETURN VALUES + + + PAM_ACCT_EXPIRED + + + User account has expired. + + + + + PAM_AUTH_ERR + + + Authentication failure. + + + + + PAM_NEW_AUTHTOK_REQD + + + The user's authentication token has expired. Before calling + this function again the application will arrange for a new + one to be given. This will likely result in a call to + pam_sm_chauthtok(). + + + + + + PAM_PERM_DENIED + + + Permission denied. + + + + + PAM_SUCCESS + + + The authentication token was successfully updated. + + + + + PAM_USER_UNKNOWN + + + User unknown to password service. + + + + + + + + SEE ALSO + + + pam3 + , + + pam_acct_mgmt3 + , + + pam_sm_chauthtok3 + , + + pam_strerror3 + , + + PAM8 + + + + diff --git a/doc/man/pam_sm_authenticate.3 b/doc/man/pam_sm_authenticate.3 new file mode 100644 index 0000000..3e4b868 --- /dev/null +++ b/doc/man/pam_sm_authenticate.3 @@ -0,0 +1,106 @@ +'\" t +.\" Title: pam_sm_authenticate +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_SM_AUTHENTICATE" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_sm_authenticate \- PAM service function for user authentication +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_sm_authenticate('u +.BI "int pam_sm_authenticate(pam_handle_t\ *" "pamh" ", int\ " "flags" ", int\ " "argc" ", const\ char\ **" "argv" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_sm_authenticate\fR +function is the service module\*(Aqs implementation of the +\fBpam_authenticate\fR(3) +interface\&. +.PP +This function performs the task of authenticating the user\&. +.PP +Valid flags, which may be logically OR\*(Aqd with +\fIPAM_SILENT\fR, are: +.PP +PAM_SILENT +.RS 4 +Do not emit any messages\&. +.RE +.PP +PAM_DISALLOW_NULL_AUTHTOK +.RS 4 +Return +\fBPAM_AUTH_ERR\fR +if the database of authentication tokens for this authentication mechanism has a +\fINULL\fR +entry for the user\&. Without this flag, such a +\fINULL\fR +token will lead to a success without the user being prompted\&. +.RE +.SH "RETURN VALUES" +.PP +PAM_AUTH_ERR +.RS 4 +Authentication failure\&. +.RE +.PP +PAM_CRED_INSUFFICIENT +.RS 4 +For some reason the application does not have sufficient credentials to authenticate the user\&. +.RE +.PP +PAM_AUTHINFO_UNAVAIL +.RS 4 +The modules were not able to access the authentication information\&. This might be due to a network or hardware failure etc\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +The authentication token was successfully updated\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +The supplied username is not known to the authentication service\&. +.RE +.PP +PAM_MAXTRIES +.RS 4 +One or more of the authentication modules has reached its limit of tries authenticating the user\&. Do not try again\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam\fR(3), +\fBpam_authenticate\fR(3), +\fBpam_sm_setcred\fR(3), +\fBpam_strerror\fR(3), +\fBPAM\fR(8) diff --git a/doc/man/pam_sm_authenticate.3.xml b/doc/man/pam_sm_authenticate.3.xml new file mode 100644 index 0000000..ef3a8f1 --- /dev/null +++ b/doc/man/pam_sm_authenticate.3.xml @@ -0,0 +1,151 @@ + + + + + pam_sm_authenticate + 3 + Linux-PAM Manual + + + + pam_sm_authenticate + PAM service function for user authentication + + + + + + + #include <security/pam_modules.h> + + int pam_sm_authenticate + pam_handle_t *pamh + int flags + int argc + const char **argv + + + + + + + DESCRIPTION + + The pam_sm_authenticate function is the service + module's implementation of the + + pam_authenticate3 + interface. + + + This function performs the task of authenticating the user. + + + Valid flags, which may be logically OR'd with + PAM_SILENT, are: + + + + PAM_SILENT + + + Do not emit any messages. + + + + + PAM_DISALLOW_NULL_AUTHTOK + + + Return PAM_AUTH_ERR if the + database of authentication tokens for this authentication + mechanism has a NULL entry for the user. + Without this flag, such a NULL token + will lead to a success without the user being prompted. + + + + + + + + RETURN VALUES + + + PAM_AUTH_ERR + + + Authentication failure. + + + + + PAM_CRED_INSUFFICIENT + + + For some reason the application does not have sufficient + credentials to authenticate the user. + + + + + PAM_AUTHINFO_UNAVAIL + + + The modules were not able to access the authentication + information. This might be due to a network or hardware + failure etc. + + + + + PAM_SUCCESS + + + The authentication token was successfully updated. + + + + + PAM_USER_UNKNOWN + + + The supplied username is not known to the authentication + service. + + + + + PAM_MAXTRIES + + + One or more of the authentication modules has reached its + limit of tries authenticating the user. Do not try again. + + + + + + + + SEE ALSO + + + pam3 + , + + pam_authenticate3 + , + + pam_sm_setcred3 + , + + pam_strerror3 + , + + PAM8 + + + + diff --git a/doc/man/pam_sm_chauthtok.3 b/doc/man/pam_sm_chauthtok.3 new file mode 100644 index 0000000..e68876f --- /dev/null +++ b/doc/man/pam_sm_chauthtok.3 @@ -0,0 +1,137 @@ +'\" t +.\" Title: pam_sm_chauthtok +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_SM_CHAUTHTOK" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_sm_chauthtok \- PAM service function for authentication token management +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_sm_chauthtok('u +.BI "int pam_sm_chauthtok(pam_handle_t\ *" "pamh" ", int\ " "flags" ", int\ " "argc" ", const\ char\ **" "argv" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_sm_chauthtok\fR +function is the service module\*(Aqs implementation of the +\fBpam_chauthtok\fR(3) +interface\&. +.PP +This function is used to (re\-)set the authentication token of the user\&. +.PP +Valid flags, which may be logically OR\*(Aqd with +\fIPAM_SILENT\fR, are: +.PP +PAM_SILENT +.RS 4 +Do not emit any messages\&. +.RE +.PP +PAM_CHANGE_EXPIRED_AUTHTOK +.RS 4 +This argument indicates to the module that the user\*(Aqs authentication token (password) should only be changed if it has expired\&. This flag is optional and +\fImust\fR +be combined with one of the following two flags\&. Note, however, the following two options are +\fImutually exclusive\fR\&. +.RE +.PP +PAM_PRELIM_CHECK +.RS 4 +This indicates that the modules are being probed as to their ready status for altering the user\*(Aqs authentication token\&. If the module requires access to another system over some network it should attempt to verify it can connect to this system on receiving this flag\&. If a module cannot establish it is ready to update the user\*(Aqs authentication token it should return +\fBPAM_TRY_AGAIN\fR, this information will be passed back to the application\&. +.sp +If the control value +\fIsufficient\fR +is used in the password stack, the +\fIPAM_PRELIM_CHECK\fR +section of the modules following that control value is not always executed\&. +.RE +.PP +PAM_UPDATE_AUTHTOK +.RS 4 +This informs the module that this is the call it should change the authorization tokens\&. If the flag is logically OR\*(Aqd with +\fBPAM_CHANGE_EXPIRED_AUTHTOK\fR, the token is only changed if it has actually expired\&. +.RE +.PP +The PAM library calls this function twice in succession\&. The first time with +\fBPAM_PRELIM_CHECK\fR +and then, if the module does not return +\fBPAM_TRY_AGAIN\fR, subsequently with +\fBPAM_UPDATE_AUTHTOK\fR\&. It is only on the second call that the authorization token is (possibly) changed\&. +.SH "RETURN VALUES" +.PP +PAM_AUTHTOK_ERR +.RS 4 +The module was unable to obtain the new authentication token\&. +.RE +.PP +PAM_AUTHTOK_RECOVERY_ERR +.RS 4 +The module was unable to obtain the old authentication token\&. +.RE +.PP +PAM_AUTHTOK_LOCK_BUSY +.RS 4 +Cannot change the authentication token since it is currently locked\&. +.RE +.PP +PAM_AUTHTOK_DISABLE_AGING +.RS 4 +Authentication token aging has been disabled\&. +.RE +.PP +PAM_PERM_DENIED +.RS 4 +Permission denied\&. +.RE +.PP +PAM_TRY_AGAIN +.RS 4 +Preliminary check was unsuccessful\&. Signals an immediate return to the application is desired\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +The authentication token was successfully updated\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +User unknown to password service\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam\fR(3), +\fBpam_chauthtok\fR(3), +\fBpam_sm_chauthtok\fR(3), +\fBpam_strerror\fR(3), +\fBPAM\fR(8) diff --git a/doc/man/pam_sm_chauthtok.3.xml b/doc/man/pam_sm_chauthtok.3.xml new file mode 100644 index 0000000..25e17d0 --- /dev/null +++ b/doc/man/pam_sm_chauthtok.3.xml @@ -0,0 +1,204 @@ + + + + + pam_sm_chauthtok + 3 + Linux-PAM Manual + + + + pam_sm_chauthtok + PAM service function for authentication token management + + + + + + + #include <security/pam_modules.h> + + int pam_sm_chauthtok + pam_handle_t *pamh + int flags + int argc + const char **argv + + + + + + + DESCRIPTION + + The pam_sm_chauthtok function is the service + module's implementation of the + + pam_chauthtok3 + interface. + + + This function is used to (re-)set the authentication token of the user. + + + Valid flags, which may be logically OR'd with + PAM_SILENT, are: + + + + PAM_SILENT + + + Do not emit any messages. + + + + + PAM_CHANGE_EXPIRED_AUTHTOK + + + This argument indicates to the module that the user's + authentication token (password) should only be changed if + it has expired. This flag is optional and + must be combined with one of the + following two flags. Note, however, the following two options + are mutually exclusive. + + + + + PAM_PRELIM_CHECK + + + This indicates that the modules are being probed as to + their ready status for altering the user's authentication + token. If the module requires access to another system over + some network it should attempt to verify it can connect to + this system on receiving this flag. If a module cannot establish + it is ready to update the user's authentication token it should + return PAM_TRY_AGAIN, this + information will be passed back to the application. + + + If the control value sufficient is used in + the password stack, the PAM_PRELIM_CHECK section + of the modules following that control value is not always executed. + + + + + PAM_UPDATE_AUTHTOK + + + This informs the module that this is the call it should change + the authorization tokens. If the flag is logically OR'd with + PAM_CHANGE_EXPIRED_AUTHTOK, the + token is only changed if it has actually expired. + + + + + + The PAM library calls this function twice in succession. The first + time with PAM_PRELIM_CHECK and then, + if the module does not return + PAM_TRY_AGAIN, subsequently with + PAM_UPDATE_AUTHTOK. It is only on + the second call that the authorization token is (possibly) changed. + + + + + RETURN VALUES + + + PAM_AUTHTOK_ERR + + + The module was unable to obtain the new authentication token. + + + + + PAM_AUTHTOK_RECOVERY_ERR + + + The module was unable to obtain the old authentication token. + + + + + PAM_AUTHTOK_LOCK_BUSY + + + Cannot change the authentication token since it is currently + locked. + + + + + PAM_AUTHTOK_DISABLE_AGING + + + Authentication token aging has been disabled. + + + + + PAM_PERM_DENIED + + + Permission denied. + + + + + PAM_TRY_AGAIN + + + Preliminary check was unsuccessful. Signals an immediate + return to the application is desired. + + + + + PAM_SUCCESS + + + The authentication token was successfully updated. + + + + + PAM_USER_UNKNOWN + + + User unknown to password service. + + + + + + + + SEE ALSO + + + pam3 + , + + pam_chauthtok3 + , + + pam_sm_chauthtok3 + , + + pam_strerror3 + , + + PAM8 + + + + diff --git a/doc/man/pam_sm_close_session.3 b/doc/man/pam_sm_close_session.3 new file mode 100644 index 0000000..c1b4d5d --- /dev/null +++ b/doc/man/pam_sm_close_session.3 @@ -0,0 +1,74 @@ +'\" t +.\" Title: pam_sm_close_session +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_SM_CLOSE_SESSION" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_sm_close_session \- PAM service function to terminate session management +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_sm_close_session('u +.BI "int pam_sm_close_session(pam_handle_t\ *" "pamh" ", int\ " "flags" ", int\ " "argc" ", const\ char\ **" "argv" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_sm_close_session\fR +function is the service module\*(Aqs implementation of the +\fBpam_close_session\fR(3) +interface\&. +.PP +This function is called to terminate a session\&. The only valid value for +\fIflags\fR +is zero or: +.PP +PAM_SILENT +.RS 4 +Do not emit any messages\&. +.RE +.SH "RETURN VALUES" +.PP +PAM_SESSION_ERR +.RS 4 +Cannot make/remove an entry for the specified session\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +The session was successfully terminated\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam\fR(3), +\fBpam_close_session\fR(3), +\fBpam_sm_close_session\fR(3), +\fBpam_strerror\fR(3), +\fBPAM\fR(8) diff --git a/doc/man/pam_sm_close_session.3.xml b/doc/man/pam_sm_close_session.3.xml new file mode 100644 index 0000000..6d8278e --- /dev/null +++ b/doc/man/pam_sm_close_session.3.xml @@ -0,0 +1,99 @@ + + + + + pam_sm_close_session + 3 + Linux-PAM Manual + + + + pam_sm_close_session + PAM service function to terminate session management + + + + + + + #include <security/pam_modules.h> + + int pam_sm_close_session + pam_handle_t *pamh + int flags + int argc + const char **argv + + + + + + + DESCRIPTION + + The pam_sm_close_session function is the service + module's implementation of the + + pam_close_session3 + interface. + + + This function is called to terminate a session. The only valid + value for flags is zero or: + + + + PAM_SILENT + + + Do not emit any messages. + + + + + + + + RETURN VALUES + + + PAM_SESSION_ERR + + + Cannot make/remove an entry for the specified session. + + + + + PAM_SUCCESS + + + The session was successfully terminated. + + + + + + + + SEE ALSO + + + pam3 + , + + pam_close_session3 + , + + pam_sm_close_session3 + , + + pam_strerror3 + , + + PAM8 + + + + diff --git a/doc/man/pam_sm_open_session.3 b/doc/man/pam_sm_open_session.3 new file mode 100644 index 0000000..b979b12 --- /dev/null +++ b/doc/man/pam_sm_open_session.3 @@ -0,0 +1,74 @@ +'\" t +.\" Title: pam_sm_open_session +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_SM_OPEN_SESSION" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_sm_open_session \- PAM service function to start session management +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_sm_open_session('u +.BI "int pam_sm_open_session(pam_handle_t\ *" "pamh" ", int\ " "flags" ", int\ " "argc" ", const\ char\ **" "argv" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_sm_open_session\fR +function is the service module\*(Aqs implementation of the +\fBpam_open_session\fR(3) +interface\&. +.PP +This function is called to commence a session\&. The only valid value for +\fIflags\fR +is zero or: +.PP +PAM_SILENT +.RS 4 +Do not emit any messages\&. +.RE +.SH "RETURN VALUES" +.PP +PAM_SESSION_ERR +.RS 4 +Cannot make/remove an entry for the specified session\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +The session was successfully started\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam\fR(3), +\fBpam_open_session\fR(3), +\fBpam_sm_close_session\fR(3), +\fBpam_strerror\fR(3), +\fBPAM\fR(8) diff --git a/doc/man/pam_sm_open_session.3.xml b/doc/man/pam_sm_open_session.3.xml new file mode 100644 index 0000000..ead7ca7 --- /dev/null +++ b/doc/man/pam_sm_open_session.3.xml @@ -0,0 +1,99 @@ + + + + + pam_sm_open_session + 3 + Linux-PAM Manual + + + + pam_sm_open_session + PAM service function to start session management + + + + + + + #include <security/pam_modules.h> + + int pam_sm_open_session + pam_handle_t *pamh + int flags + int argc + const char **argv + + + + + + + DESCRIPTION + + The pam_sm_open_session function is the service + module's implementation of the + + pam_open_session3 + interface. + + + This function is called to commence a session. The only valid + value for flags is zero or: + + + + PAM_SILENT + + + Do not emit any messages. + + + + + + + + RETURN VALUES + + + PAM_SESSION_ERR + + + Cannot make/remove an entry for the specified session. + + + + + PAM_SUCCESS + + + The session was successfully started. + + + + + + + + SEE ALSO + + + pam3 + , + + pam_open_session3 + , + + pam_sm_close_session3 + , + + pam_strerror3 + , + + PAM8 + + + + diff --git a/doc/man/pam_sm_setcred.3 b/doc/man/pam_sm_setcred.3 new file mode 100644 index 0000000..6493870 --- /dev/null +++ b/doc/man/pam_sm_setcred.3 @@ -0,0 +1,128 @@ +'\" t +.\" Title: pam_sm_setcred +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_SM_SETCRED" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_sm_setcred \- PAM service function to alter credentials +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_sm_setcred('u +.BI "int pam_sm_setcred(pam_handle_t\ *" "pamh" ", int\ " "flags" ", int\ " "argc" ", const\ char\ **" "argv" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_sm_setcred\fR +function is the service module\*(Aqs implementation of the +\fBpam_setcred\fR(3) +interface\&. +.PP +This function performs the task of altering the credentials of the user with respect to the corresponding authorization scheme\&. Generally, an authentication module may have access to more information about a user than their authentication token\&. This function is used to make such information available to the application\&. It should only be called +\fIafter\fR +the user has been authenticated but before a session has been established\&. +.PP +Valid flags, which may be logically OR\*(Aqd with +\fIPAM_SILENT\fR, are: +.PP +PAM_SILENT +.RS 4 +Do not emit any messages\&. +.RE +.PP +PAM_ESTABLISH_CRED +.RS 4 +Initialize the credentials for the user\&. +.RE +.PP +PAM_DELETE_CRED +.RS 4 +Delete the credentials associated with the authentication service\&. +.RE +.PP +PAM_REINITIALIZE_CRED +.RS 4 +Reinitialize the user credentials\&. +.RE +.PP +PAM_REFRESH_CRED +.RS 4 +Extend the lifetime of the user credentials\&. +.RE +.PP +The way the +\fBauth\fR +stack is navigated in order to evaluate the +\fBpam_setcred\fR() function call, independent of the +\fBpam_sm_setcred\fR() return codes, is exactly the same way that it was navigated when evaluating the +\fBpam_authenticate\fR() library call\&. Typically, if a stack entry was ignored in evaluating +\fBpam_authenticate\fR(), it will be ignored when libpam evaluates the +\fBpam_setcred\fR() function call\&. Otherwise, the return codes from each module specific +\fBpam_sm_setcred\fR() call are treated as +\fBrequired\fR\&. +.SH "RETURN VALUES" +.PP +PAM_CRED_UNAVAIL +.RS 4 +This module cannot retrieve the user\*(Aqs credentials\&. +.RE +.PP +PAM_CRED_EXPIRED +.RS 4 +The user\*(Aqs credentials have expired\&. +.RE +.PP +PAM_CRED_ERR +.RS 4 +This module was unable to set the credentials of the user\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +The user credential was successfully set\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +The user is not known to this authentication module\&. +.RE +.PP +These, non\-\fIPAM_SUCCESS\fR, return values will typically lead to the credential stack +\fIfailing\fR\&. The first such error will dominate in the return value of +\fBpam_setcred\fR()\&. +.SH "SEE ALSO" +.PP +\fBpam\fR(3), +\fBpam_authenticate\fR(3), +\fBpam_setcred\fR(3), +\fBpam_sm_authenticate\fR(3), +\fBpam_strerror\fR(3), +\fBPAM\fR(8) diff --git a/doc/man/pam_sm_setcred.3.xml b/doc/man/pam_sm_setcred.3.xml new file mode 100644 index 0000000..bb04a2d --- /dev/null +++ b/doc/man/pam_sm_setcred.3.xml @@ -0,0 +1,184 @@ + + + + + pam_sm_setcred + 3 + Linux-PAM Manual + + + + pam_sm_setcred + PAM service function to alter credentials + + + + + + + #include <security/pam_modules.h> + + int pam_sm_setcred + pam_handle_t *pamh + int flags + int argc + const char **argv + + + + + + + DESCRIPTION + + The pam_sm_setcred function is the service + module's implementation of the + + pam_setcred3 + interface. + + + This function performs the task of altering the credentials of the + user with respect to the corresponding authorization + scheme. Generally, an authentication module may have access to more + information about a user than their authentication token. This + function is used to make such information available to the + application. It should only be called after the + user has been authenticated but before a session has been established. + + + Valid flags, which may be logically OR'd with + PAM_SILENT, are: + + + + PAM_SILENT + + + Do not emit any messages. + + + + + PAM_ESTABLISH_CRED + + Initialize the credentials for the user. + + + + PAM_DELETE_CRED + + + Delete the credentials associated with the authentication service. + + + + + PAM_REINITIALIZE_CRED + + + Reinitialize the user credentials. + + + + + PAM_REFRESH_CRED + + + Extend the lifetime of the user credentials. + + + + + + The way the auth stack is + navigated in order to evaluate the pam_setcred() + function call, independent of the pam_sm_setcred() + return codes, is exactly the same way that it was navigated when + evaluating the pam_authenticate() library + call. Typically, if a stack entry was ignored in evaluating + pam_authenticate(), it will be ignored when + libpam evaluates the pam_setcred() function + call. Otherwise, the return codes from each module specific + pam_sm_setcred() call are treated as + required. + + + + + RETURN VALUES + + + PAM_CRED_UNAVAIL + + + This module cannot retrieve the user's credentials. + + + + + PAM_CRED_EXPIRED + + + The user's credentials have expired. + + + + + PAM_CRED_ERR + + + This module was unable to set the credentials of the user. + + + + + PAM_SUCCESS + + + The user credential was successfully set. + + + + + PAM_USER_UNKNOWN + + + The user is not known to this authentication module. + + + + + + These, non-PAM_SUCCESS, return values will + typically lead to the credential stack failing. + The first such error will dominate in the return value of + pam_setcred(). + + + + + SEE ALSO + + + pam3 + , + + pam_authenticate3 + , + + pam_setcred3 + , + + pam_sm_authenticate3 + , + + pam_strerror3 + , + + PAM8 + + + + diff --git a/doc/man/pam_start.3 b/doc/man/pam_start.3 new file mode 100644 index 0000000..35ba148 --- /dev/null +++ b/doc/man/pam_start.3 @@ -0,0 +1,117 @@ +'\" t +.\" Title: pam_start +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_START" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_start, pam_start_confdir \- initialization of PAM transaction +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'int\ pam_start('u +.BI "int pam_start(const\ char\ *" "service_name" ", const\ char\ *" "user" ", const\ struct\ pam_conv\ *" "pam_conversation" ", pam_handle_t\ **" "pamh" ");" +.HP \w'int\ pam_start_confdir('u +.BI "int pam_start_confdir(const\ char\ *" "service_name" ", const\ char\ *" "user" ", const\ struct\ pam_conv\ *" "pam_conversation" ", const\ char\ *" "confdir" ", pam_handle_t\ **" "pamh" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_start\fR +function creates the PAM context and initiates the PAM transaction\&. It is the first of the PAM functions that needs to be called by an application\&. The transaction state is contained entirely within the structure identified by this handle, so it is possible to have multiple transactions in parallel\&. But it is not possible to use the same handle for different transactions, a new one is needed for every new context\&. +.PP +The +\fIservice_name\fR +argument specifies the name of the service to apply and will be stored as PAM_SERVICE item in the new context\&. The policy for the service will be read from the file +/etc/pam\&.d/service_name +or, if that file does not exist, from +/etc/pam\&.conf\&. +.PP +The +\fIuser\fR +argument can specify the name of the target user and will be stored as PAM_USER item\&. If the argument is NULL, the module has to ask for this item if necessary\&. +.PP +The +\fIpam_conversation\fR +argument points to a +\fIstruct pam_conv\fR +describing the conversation function to use\&. An application must provide this for direct communication between a loaded module and the application\&. +.PP +Following a successful return (PAM_SUCCESS) the contents of +\fIpamh\fR +is a handle that contains the PAM context for successive calls to the PAM functions\&. In an error case is the content of +\fIpamh\fR +undefined\&. +.PP +The +\fIpam_handle_t\fR +is a blind structure and the application should not attempt to probe it directly for information\&. Instead the PAM library provides the functions +\fBpam_set_item\fR(3) +and +\fBpam_get_item\fR(3)\&. The PAM handle cannot be used for multiple authentications at the same time as long as +\fBpam_end\fR +was not called on it before\&. +.PP +The +\fBpam_start_confdir\fR +function behaves like the +\fBpam_start\fR +function but it also allows setting +\fIconfdir\fR +argument with a path to a directory to override the default (/etc/pam\&.d) path for service policy files\&. If the +\fIconfdir\fR +is NULL, the function works exactly the same as +\fBpam_start\fR\&. +.SH "RETURN VALUES" +.PP +PAM_ABORT +.RS 4 +General failure\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Transaction was successfully started\&. +.RE +.PP +PAM_SYSTEM_ERR +.RS 4 +System error, for example a NULL pointer was submitted instead of a pointer to data\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam_get_data\fR(3), +\fBpam_set_data\fR(3), +\fBpam_end\fR(3), +\fBpam_strerror\fR(3) diff --git a/doc/man/pam_start.3.xml b/doc/man/pam_start.3.xml new file mode 100644 index 0000000..1d544e6 --- /dev/null +++ b/doc/man/pam_start.3.xml @@ -0,0 +1,167 @@ + + + + + + + pam_start + 3 + Linux-PAM Manual + + + + pam_start + pam_start_confdir + initialization of PAM transaction + + + + + + + #include <security/pam_appl.h> + + int pam_start + const char *service_name + const char *user + const struct pam_conv *pam_conversation + pam_handle_t **pamh + + + int pam_start_confdir + const char *service_name + const char *user + const struct pam_conv *pam_conversation + const char *confdir + pam_handle_t **pamh + + + + + + + DESCRIPTION + + The pam_start function creates the PAM context + and initiates the PAM transaction. It is the first of the PAM + functions that needs to be called by an application. The transaction + state is contained entirely within the structure identified by this + handle, so it is possible to have multiple transactions in parallel. + But it is not possible to use the same handle for different + transactions, a new one is needed for every new context. + + + + The service_name argument specifies the name + of the service to apply and will be stored as PAM_SERVICE item in + the new context. The policy for the service will be read from the + file /etc/pam.d/service_name or, if that file + does not exist, from /etc/pam.conf. + + + + The user argument can specify the name + of the target user and will be stored as PAM_USER item. If + the argument is NULL, the module has to ask for this item if + necessary. + + + + The pam_conversation argument points to + a struct pam_conv describing the + conversation function to use. An application must provide this + for direct communication between a loaded module and the + application. + + + + Following a successful return (PAM_SUCCESS) the contents of + pamh is a handle that contains the PAM + context for successive calls to the PAM functions. In an error + case is the content of pamh undefined. + + + + The pam_handle_t is a blind structure and + the application should not attempt to probe it directly for + information. Instead the PAM library provides the functions + + pam_set_item3 + and + + pam_get_item3 + . + The PAM handle cannot be used for multiple authentications at the + same time as long as pam_end was not called on + it before. + + + + The pam_start_confdir function behaves + like the pam_start function but it also + allows setting confdir argument with + a path to a directory to override the default + (/etc/pam.d) path for service policy + files. If the confdir is NULL, the function + works exactly the same as pam_start. + + + + + RETURN VALUES + + + PAM_ABORT + + + General failure. + + + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_SUCCESS + + + Transaction was successfully started. + + + + + PAM_SYSTEM_ERR + + + System error, for example a NULL pointer was submitted + instead of a pointer to data. + + + + + + + + SEE ALSO + + + pam_get_data3 + , + + pam_set_data3 + , + + pam_end3 + , + + pam_strerror3 + + + + diff --git a/doc/man/pam_strerror.3 b/doc/man/pam_strerror.3 new file mode 100644 index 0000000..0d15203 --- /dev/null +++ b/doc/man/pam_strerror.3 @@ -0,0 +1,52 @@ +'\" t +.\" Title: pam_strerror +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_STRERROR" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_strerror \- return string describing PAM error code +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'const\ char\ *pam_strerror('u +.BI "const char *pam_strerror(pam_handle_t\ *" "pamh" ", int\ " "errnum" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_strerror\fR +function returns a pointer to a string describing the error code passed in the argument +\fIerrnum\fR, possibly using the LC_MESSAGES part of the current locale to select the appropriate language\&. This string must not be modified by the application\&. No library function will modify this string\&. +.SH "RETURN VALUES" +.PP +This function returns always a pointer to a string\&. +.SH "SEE ALSO" +.PP +\fBpam\fR(8) diff --git a/doc/man/pam_strerror.3.xml b/doc/man/pam_strerror.3.xml new file mode 100644 index 0000000..954e131 --- /dev/null +++ b/doc/man/pam_strerror.3.xml @@ -0,0 +1,58 @@ + + + + + + + pam_strerror + 3 + Linux-PAM Manual + + + + pam_strerror + return string describing PAM error code + + + + + + + #include <security/pam_appl.h> + + const char *pam_strerror + pam_handle_t *pamh + int errnum + + + + + + + DESCRIPTION + + The pam_strerror function returns a pointer to + a string describing the error code passed in the argument + errnum, possibly using the LC_MESSAGES part of + the current locale to select the appropriate language. This string + must not be modified by the application. No library function will + modify this string. + + + + RETURN VALUES + + This function returns always a pointer to a string. + + + + + SEE ALSO + + + pam8 + + + + diff --git a/doc/man/pam_syslog.3 b/doc/man/pam_syslog.3 new file mode 100644 index 0000000..eda2e40 --- /dev/null +++ b/doc/man/pam_syslog.3 @@ -0,0 +1,77 @@ +'\" t +.\" Title: pam_syslog +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_SYSLOG" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_syslog, pam_vsyslog \- send messages to the system logger +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.sp +.ft B +.nf +#include +.fi +.ft +.HP \w'void\ pam_syslog('u +.BI "void pam_syslog(const\ pam_handle_t\ *" "pamh" ", int\ " "priority" ", const\ char\ *" "fmt" ", " "\&.\&.\&." ");" +.HP \w'void\ pam_vsyslog('u +.BI "void pam_vsyslog(const\ pam_handle_t\ *" "pamh" ", int\ " "priority" ", const\ char\ *" "fmt" ", va_list\ " "args" ");" +.SH "DESCRIPTION" +.PP +The +\fBpam_syslog\fR +function logs messages using +\fBsyslog\fR(3) +and is intended for internal use by Linux\-PAM and PAM service modules\&. The +\fIpriority\fR +argument is formed by ORing the facility and the level values as documented in the +\fBsyslog\fR(3) +manual page\&. +.PP +The +\fBpam_vsyslog\fR +function performs the same task as +\fBpam_syslog()\fR +with the difference that it takes a set of arguments which have been obtained using the +\fBstdarg\fR(3) +variable argument list macros\&. +.SH "SEE ALSO" +.PP +\fBpam\fR(8) +.SH "STANDARDS" +.PP +The +\fBpam_syslog\fR +and +\fBpam_vsyslog\fR +functions are Linux\-PAM extensions\&. diff --git a/doc/man/pam_syslog.3.xml b/doc/man/pam_syslog.3.xml new file mode 100644 index 0000000..ca28587 --- /dev/null +++ b/doc/man/pam_syslog.3.xml @@ -0,0 +1,82 @@ + + + + + + + pam_syslog + 3 + Linux-PAM Manual + + + + pam_syslog + pam_vsyslog + send messages to the system logger + + + + + + + #include <syslog.h> + #include <security/pam_ext.h> + + void pam_syslog + const pam_handle_t *pamh + int priority + const char *fmt + ... + + + void pam_vsyslog + const pam_handle_t *pamh + int priority + const char *fmt + va_list args + + + + + + DESCRIPTION + + The pam_syslog function logs messages using + + syslog3 + and is intended for internal use by Linux-PAM and + PAM service modules. The priority argument is + formed by ORing the facility and the level values as documented + in the + syslog3 + manual page. + + + The pam_vsyslog function performs the same + task as pam_syslog() with the difference + that it takes a set of arguments which have been obtained using + the + stdarg3 + variable argument list macros. + + + + + SEE ALSO + + + pam8 + + + + + + STANDARDS + + The pam_syslog and pam_vsyslog + functions are Linux-PAM extensions. + + + + diff --git a/doc/man/pam_verror.3 b/doc/man/pam_verror.3 new file mode 100644 index 0000000..6e052ef --- /dev/null +++ b/doc/man/pam_verror.3 @@ -0,0 +1 @@ +.so man3/pam_error.3 diff --git a/doc/man/pam_vinfo.3 b/doc/man/pam_vinfo.3 new file mode 100644 index 0000000..79f3a15 --- /dev/null +++ b/doc/man/pam_vinfo.3 @@ -0,0 +1 @@ +.so man3/pam_info.3 diff --git a/doc/man/pam_vprompt.3 b/doc/man/pam_vprompt.3 new file mode 100644 index 0000000..bba0b1d --- /dev/null +++ b/doc/man/pam_vprompt.3 @@ -0,0 +1 @@ +.so man3/pam_prompt.3 diff --git a/doc/man/pam_vsyslog.3 b/doc/man/pam_vsyslog.3 new file mode 100644 index 0000000..b987b06 --- /dev/null +++ b/doc/man/pam_vsyslog.3 @@ -0,0 +1 @@ +.so man3/pam_syslog.3 diff --git a/doc/man/pam_xauth_data.3 b/doc/man/pam_xauth_data.3 new file mode 100644 index 0000000..6bd4093 --- /dev/null +++ b/doc/man/pam_xauth_data.3 @@ -0,0 +1,84 @@ +'\" t +.\" Title: pam_xauth_data +.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_XAUTH_DATA" "3" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_xauth_data \- structure containing X authentication data +.SH "SYNOPSIS" +.sp +.ft B +.nf +#include +.fi +.ft +.sp +.nf +struct pam_xauth_data { + int namelen; + char *name; + int datalen; + char *data; +}; + +.fi +.SH "DESCRIPTION" +.PP +The +\fBpam_xauth_data\fR +structure contains X authentication data used to make a connection to an X display\&. Using this mechanism, an application can communicate X authentication data to PAM service modules\&. This allows modules to make a connection to the user\*(Aqs X display in order to label the user\*(Aqs session on login, display visual feedback or for other purposes\&. +.PP +The +\fIname\fR +field contains the name of the authentication method, such as "MIT\-MAGIC\-COOKIE\-1"\&. The +\fInamelen\fR +field contains the length of this string, not including the trailing NUL character\&. +.PP +The +\fIdata\fR +field contains the authentication method\-specific data corresponding to the specified name\&. The +\fIdatalen\fR +field contains its length in bytes\&. +.PP +The X authentication data can be changed with the +\fIPAM_XAUTH_DATA\fR +item\&. It can be queried and set with +\fBpam_get_item\fR(3) +and +\fBpam_set_item \fR(3) +respectively\&. The value used to set it should be a pointer to a pam_xauth_data structure\&. An internal copy of both the structure itself and its fields is made by PAM when setting the item\&. +.SH "SEE ALSO" +.PP +\fBpam_start\fR(3), +\fBpam_get_item\fR(3), +.SH "STANDARDS" +.PP +The +\fBpam_xauth_data\fR +structure and +\fIPAM_XAUTH_DATA\fR +item are Linux\-PAM extensions\&. diff --git a/doc/mwg/Linux-PAM_MWG.xml b/doc/mwg/Linux-PAM_MWG.xml new file mode 100644 index 0000000..3022538 --- /dev/null +++ b/doc/mwg/Linux-PAM_MWG.xml @@ -0,0 +1,632 @@ + + + + + The Linux-PAM Module Writers' Guide + + + Andrew G. + Morgan + morgan@kernel.org + + + Thorsten + Kukuk + kukuk@thkukuk.de + + + Version 1.1.2, 31. August 2010 + + + This manual documents what a programmer needs to know in order + to write a module that conforms to the + Linux-PAM standard.It also + discusses some security issues from the point of view of the + module programmer. + + + + + + Introduction +
+ Description + + Linux-PAM (Pluggable Authentication + Modules for Linux) is a library that enables the local system + administrator to choose how individual applications authenticate + users. For an overview of the + Linux-PAM library see the + Linux-PAM System Administrators' Guide. + + + A Linux-PAM module is a single + executable binary file that can be loaded by the + Linux-PAM interface library. + This PAM library is configured locally with a system file, + /etc/pam.conf, to authenticate a user + request via the locally available authentication modules. The + modules themselves will usually be located in the directory + /lib/security (or + /lib64/security, depending on the architecture) + and take the form of dynamically loadable object files (see + + dlopen3 + . Alternatively, the modules can be statically + linked into the Linux-PAM library; + this is mostly to allow Linux-PAM to + be used on platforms without dynamic linking available, but this is + a deprecated functionality. It is the + Linux-PAM interface that is called + by an application and it is the responsibility of the library to + locate, load and call the appropriate functions in a + Linux-PAM-module. + + + Except for the immediate purpose of interacting with the user + (entering a password etc..) the module should never call the + application directly. This exception requires a "conversation + mechanism" which is documented below. + +
+ +
+ Synopsis + +#include <security/pam_modules.h> + +gcc -fPIC -c pam_module.c +gcc -shared -o pam_module.so pam_module.o -lpam + +
+ + + + What can be expected by the module + + Here we list the interface that the conventions that all + Linux-PAM modules must adhere to. + +
+ + Getting and setting <emphasis>PAM_ITEM</emphasis>s and + <emphasis>data</emphasis> + + + First, we cover what the module should expect from the + Linux-PAM library and a + Linux-PAM aware application. + Essentially this is the libpam.* library. + + + + + + + + + + +
+
+ + Other functions provided by <filename>libpam</filename> + + + +
+ + + + What is expected of a module + + The module must supply a sub-set of the six functions listed + below. Together they define the function of a + Linux-PAM module. Module developers + are strongly urged to read the comments on security that follow + this list. + +
+ Overview + + The six module functions are grouped into four independent + management groups. These groups are as follows: + authentication, account, + session and password. + To be properly defined, a module must define all functions within + at least one of these groups. A single module may contain the + necessary functions for all four groups. + +
+ Functional independence + + The independence of the four groups of service a module can + offer means that the module should allow for the possibility + that any one of these four services may legitimately be called + in any order. Thus, the module writer should consider the + appropriateness of performing a service without the prior + success of some other part of the module. + + + As an informative example, consider the possibility that an + application applies to change a user's authentication token, + without having first requested that + Linux-PAM authenticate the + user. In some cases this may be deemed appropriate: when + root wants to change the authentication + token of some lesser user. In other cases it may not be + appropriate: when joe maliciously wants + to reset alice's password; or when anyone + other than the user themself wishes to reset their + KERBEROS authentication token. A policy + for this action should be defined by any reasonable + authentication scheme, the module writer should consider + this when implementing a given module. + +
+
+ Minimizing administration problems + + To avoid system administration problems and the poor + construction of a /etc/pam.conf file, + the module developer may define all six of the following + functions. For those functions that would not be called, + the module should return PAM_SERVICE_ERR + and write an appropriate message to the system log. When + this action is deemed inappropriate, the function would + simply return PAM_IGNORE. + +
+
+ Arguments supplied to the module + + The flags argument of each of + the following functions can be logically OR'd with + PAM_SILENT, which is used to inform the + module to not pass any text (errors or + warnings) application. + + + The argc and argv + arguments are taken from the line appropriate to this + module---that is, with the service_name + matching that of the application---in the configuration file + (see the Linux-PAM + System Administrators' Guide). Together these two parameters + provide the number of arguments and an array of pointers to + the individual argument tokens. This will be familiar to C + programmers as the ubiquitous method of passing command arguments + to the function main(). Note, however, that + the first argument (argv[0]) is a true + argument and not the name of the module. + +
+
+
+ Authentication management + + +
+
+ Account management + +
+
+ Session management + + +
+
+ Authentication token management + +
+ + + + Generic optional arguments + + Here we list the generic arguments that all modules can expect to + be passed. They are not mandatory, and their absence should be + accepted without comment by the module. + + + + debug + + + Use the + pam_syslog3 + call to log debugging information to the system + log files. + + + + + use_first_pass + + + The module should not prompt the user for a password. + Instead, it should obtain the previously typed password + (by a call to pam_get_item() for the + PAM_AUTHTOK item), and use that. If + that doesn't work, then the user will not be authenticated. + (This option is intended for auth and + passwd modules only). + + + + + + + + Programming notes + + Here we collect some pointers for the module writer to bear in mind + when writing/developing a Linux-PAM + compatible module. + + +
+ Security issues for module creation +
+ Sufficient resources + + Care should be taken to ensure that the proper execution + of a module is not compromised by a lack of system resources. + If a module is unable to open sufficient files to perform its + task, it should fail gracefully, or request additional resources. + Specifically, the quantities manipulated by the + setrlimit2 + family of commands should be taken into + consideration. + +
+
+ Who´s who? + + Generally, the module may wish to establish the identity of + the user requesting a service. This may not be the same as + the username returned by pam_get_user(). + Indeed, that is only going to be the name of the user under + whose identity the service will be given. This is not + necessarily the user that requests the service. + + + In other words, user X runs a program that is setuid-Y, it + grants the user to have the permissions of Z. A specific example + of this sort of service request is the su + program: user joe executes + su to become the user jane. + In this situation X=joe, Y=root + and Z=jane. Clearly, it is important that + the module does not confuse these different users and grant an + inappropriate level of privilege. + + + The following is the convention to be adhered to when juggling + user-identities. + + + + + X, the identity of the user invoking the service request. + This is the user identifier; returned by the function + + getuid2 + . + + + + + Y, the privileged identity of the application used to + grant the requested service. This is the + effective user identifier; + returned by the function + geteuid2 + . + + + + + Z, the user under whose identity the service will be granted. + This is the username returned by + pam_get_user() and also stored in the + Linux-PAM item, + PAM_USER. + + + + + Linux-PAM has a place for + an additional user identity that a module may care to make + use of. This is the PAM_RUSER item. + Generally, network sensitive modules/applications may wish + to set/read this item to establish the identity of the user + requesting a service from a remote location. + + + + + Note, if a module wishes to modify the identity of either the + uid or euid of the + running process, it should take care to restore the original + values prior to returning control to the + Linux-PAM library. + +
+
+ Using the conversation function + + Prior to calling the conversation function, the module should + reset the contents of the pointer that will return the applications + response. This is a good idea since the application may fail + to fill the pointer and the module should be in a position to + notice! + + + The module should be prepared for a failure from the + conversation. The generic error would be + PAM_CONV_ERR, but anything other than + PAM_SUCCESS should be treated as + indicating failure. + +
+
+ Authentication tokens + + To ensure that the authentication tokens are not left lying + around the items, PAM_AUTHTOK and + PAM_OLDAUTHTOK, are not available to + the application: they are defined in + <security/pam_modules.h>. This + is ostensibly for security reasons, but a maliciously + programmed application will always have access to all memory + of the process, so it is only superficially enforced. As a + general rule the module should overwrite authentication tokens + as soon as they are no longer needed. Especially before + free()'ing them. The + Linux-PAM library is + required to do this when either of these authentication + token items are (re)set. + + + Not to dwell too little on this concern; should the module + store the authentication tokens either as (automatic) function + variables or using pam_[gs]et_data() the + associated memory should be over-written explicitly before it + is released. In the case of the latter storage mechanism, the + associated cleanup() function should + explicitly overwrite the *data before + free()'ing it: for example, + +/* + * An example cleanup() function for releasing memory that was used to + * store a password. + */ + +int cleanup(pam_handle_t *pamh, void *data, int error_status) +{ + char *xx; + + if ((xx = data)) { + while (*xx) + *xx++ = '\0'; + free(data); + } + return PAM_SUCCESS; +} + + +
+
+
+ Use of <citerefentry> + <refentrytitle>syslog</refentrytitle><manvolnum>3</manvolnum> + </citerefentry> + + Only rarely should error information be directed to the user. + Usually, this is to be limited to + sorry you cannot login now + type messages. Information concerning errors in the configuration + file, /etc/pam.conf, or due to some system + failure encountered by the module, should be written to + + syslog3 + with facility-type + LOG_AUTHPRIV. + + + With a few exceptions, the level of logging is, at the discretion + of the module developer. Here is the recommended usage of different + logging levels: + + + + + As a general rule, errors encountered by a module should be + logged at the LOG_ERR level. However, + information regarding an unrecognized argument, passed to a + module from an entry in the /etc/pam.conf + file, is required to be logged at the + LOG_ERR level. + + + + + Debugging information, as activated by the + debug argument to the module in + /etc/pam.conf, should be logged + at the LOG_DEBUG level. + + + + + If a module discovers that its personal configuration + file or some system file it uses for information is + corrupted or somehow unusable, it should indicate this + by logging messages at level, LOG_ALERT. + + + + + Shortages of system resources, such as a failure to + manipulate a file or malloc() failures + should be logged at level LOG_CRIT. + + + + + Authentication failures, associated with an incorrectly + typed password should be logged at level, + LOG_NOTICE. + + + +
+
+ Modules that require system libraries + + Writing a module is much like writing an application. You + have to provide the "conventional hooks" for it to work + correctly, like pam_sm_authenticate() + etc., which would correspond to the main() + function in a normal function. + + + Typically, the author may want to link against some standard system + libraries. As when one compiles a normal program, this can be + done for modules too: you simply append the + -lXXX arguments + for the desired libraries when you create the shared module object. + To make sure a module is linked to the + libwhatever.so library + when it is dlopen()ed, try: + +% gcc -shared -o pam_module.so pam_module.o -lwhatever + + +
+ + + + An example module + + At some point, we may include a fully commented example of a module in + this document. For now, please look at the modules directory of the + Linux-PAM sources. + + + + + See also + + + + The Linux-PAM System Administrators' Guide. + + + + + The Linux-PAM Application Developers' Guide. + + + + + The V. Samar and R. Schemers (SunSoft), ``UNIFIED LOGIN WITH + PLUGGABLE AUTHENTICATION MODULES'', Open Software Foundation + Request For Comments 86.0, October 1995. + + + + + + + Author/acknowledgments + + This document was written by Andrew G. Morgan (morgan@kernel.org) + with many contributions from + Chris Adams, Peter Allgeyer, Tim Baverstock, Tim Berger, Craig S. Bell, + Derrick J. Brashear, Ben Buxton, Seth Chaiklin, Oliver Crow, Chris Dent, + Marc Ewing, Cristian Gafton, Emmanuel Galanos, Brad M. Garcia, + Eric Hester, Roger Hu, Eric Jacksch, Michael K. Johnson, David Kinchlea, + Olaf Kirch, Marcin Korzonek, Thorsten Kukuk, Stephen Langasek, + Nicolai Langfeldt, Elliot Lee, Luke Kenneth Casson Leighton, + Al Longyear, Ingo Luetkebohle, Marek Michalkiewicz, Robert Milkowski, + Aleph One, Martin Pool, Sean Reifschneider, Jan Rekorajski, Erik Troan, + Theodore Ts'o, Jeff Uphoff, Myles Uyema, Savochkin Andrey Vladimirovich, + Ronald Wahl, David Wood, John Wilmes, Joseph S. D. Yao + and Alex O. Yuriev. + + + Thanks are also due to Sun Microsystems, especially to Vipin Samar and + Charlie Lai for their advice. At an early stage in the development of + Linux-PAM, Sun graciously made the + documentation for their implementation of PAM available. This act + greatly accelerated the development of + Linux-PAM. + + + + + Copyright information for this document + +Copyright (c) 2006 Thorsten Kukuk <kukuk@thkukuk.de> +Copyright (c) 1996-2002 Andrew G. Morgan <morgan@kernel.org> + + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are + met: + + +1. Redistributions of source code must retain the above copyright + notice, and the entire permission notice in its entirety, + including the disclaimer of warranties. + +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +3. The name of the author may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + + Alternatively, this product may be distributed under the terms of + the GNU General Public License (GPL), in which case the provisions + of the GNU GPL are required instead of the above restrictions. + (This clause is necessary due to a potential bad interaction between + the GNU GPL and the restrictions contained in a BSD-style copyright.) + + +THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED +WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR +TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE +USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + + + diff --git a/doc/mwg/Makefile.am b/doc/mwg/Makefile.am new file mode 100644 index 0000000..2bbb2d0 --- /dev/null +++ b/doc/mwg/Makefile.am @@ -0,0 +1,113 @@ +# +# Copyright (c) 2006 Thorsten Kukuk +# + +CLEANFILES = Linux-PAM_MWG.fo *~ + +EXTRA_DIST = $(XMLS) + +XMLS = Linux-PAM_MWG.xml $(shell ls $(srcdir)/pam_*.xml) +DEP_XMLS = $(shell ls $(top_srcdir)/doc/man/pam_*.xml) + +if ENABLE_REGENERATE_MAN +MAINTAINERCLEANFILES = Linux-PAM_MWG.txt Linux-PAM_MWG.pdf html/*.html + +all: Linux-PAM_MWG.txt html/Linux-PAM_MWG.html Linux-PAM_MWG.pdf + +Linux-PAM_MWG.pdf: $(XMLS) $(DEP_XMLS) +if ENABLE_GENERATE_PDF + $(XMLLINT) --nonet --xinclude --postvalid --noent --noout $< + $(XSLTPROC) --stringparam generate.toc "book toc" \ + --stringparam section.autolabel 1 \ + --stringparam section.label.includes.component.label 1 \ + --stringparam toc.max.depth 3 --xinclude --nonet \ + http://docbook.sourceforge.net/release/xsl/current/fo/docbook.xsl $< > Linux-PAM_MWG.fo + $(FO2PDF) Linux-PAM_MWG.fo $@ +else + echo "No fo2pdf processor installed, skip PDF generation" +endif + +Linux-PAM_MWG.txt: $(XMLS) $(DEP_XMLS) + $(XMLLINT) --nonet --xinclude --postvalid --noent --noout $< + $(XSLTPROC) --stringparam generate.toc "book toc" \ + --stringparam section.autolabel 1 \ + --stringparam section.label.includes.component.label 1 \ + --stringparam toc.max.depth 3 --xinclude --nonet \ + http://docbook.sourceforge.net/release/xsl/current/html/docbook.xsl $< | $(BROWSER) > $@ + +html/Linux-PAM_MWG.html: $(XMLS) $(DEP_XMLS) + @test -d html || mkdir -p html + $(XMLLINT) --nonet --xinclude --postvalid --noent --noout $< + $(XSLTPROC) --stringparam base.dir html/ \ + --stringparam root.filename Linux-PAM_MWG \ + --stringparam use.id.as.filename 1 \ + --stringparam chunk.first.sections 1 \ + --stringparam section.autolabel 1 \ + --stringparam section.label.includes.component.label 1 \ + --stringparam toc.max.depth 3 --xinclude --nonet \ + --stringparam chunker.output.encoding UTF-8 \ + http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl $< + +distclean-local: + -rm -rf html Linux-PAM_MWG.txt Linux-PAM_MWG.pdf + +endif + +install-data-local: + $(mkinstalldirs) $(DESTDIR)$(docdir) + $(mkinstalldirs) $(DESTDIR)$(pdfdir) + $(mkinstalldirs) $(DESTDIR)$(htmldir) + if test -f html/Linux-PAM_MWG.html; then \ + $(install_sh_DATA) html/Linux-PAM_MWG.html html/mwg-*.html \ + $(DESTDIR)$(htmldir)/; \ + elif test -f $(srcdir)/html/Linux-PAM_MWG.html; then \ + $(install_sh_DATA) $(srcdir)/html/Linux-PAM_MWG.html \ + $(srcdir)/html/mwg-*.html \ + $(DESTDIR)$(htmldir)/; \ + fi + if test -f Linux-PAM_MWG.txt; then \ + $(install_sh_DATA) Linux-PAM_MWG.txt $(DESTDIR)$(docdir)/; \ + elif test -f $(srcdir)/Linux-PAM_MWG.txt; then \ + $(install_sh_DATA) $(srcdir)/Linux-PAM_MWG.txt \ + $(DESTDIR)$(docdir)/; \ + fi + if test -f Linux-PAM_MWG.pdf; then \ + $(install_sh_DATA) Linux-PAM_MWG.pdf $(DESTDIR)$(pdfdir)/; \ + elif test -f $(srcdir)/Linux-PAM_MWG.pdf; then \ + $(install_sh_DATA) $(srcdir)/Linux-PAM_MWG.pdf \ + $(DESTDIR)$(pdfdir)/; \ + fi + +uninstall-local: + -rm $(DESTDIR)$(htmldir)/Linux-PAM_MWG.html + -rm $(DESTDIR)$(htmldir)/mwg-*.html + -rm $(DESTDIR)$(docdir)/Linux-PAM_MWG.txt + -rm $(DESTDIR)$(pdfdir)/Linux-PAM_MWG.pdf + +releasedocs: all + $(mkinstalldirs) $(top_builddir)/Linux-PAM-$(VERSION)/doc/mwg/html + if test -f html/Linux-PAM_MWG.html; then \ + cp -ap html/Linux-PAM_MWG.html html/mwg-*.html \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/mwg/html/; \ + elif test -f $(srcdir)/html/Linux-PAM_MWG.html; then \ + cp -ap $(srcdir)/html/Linux-PAM_MWG.html \ + $(srcdir)/html/mwg-*.html \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/mwg/html/; \ + else exit 1; \ + fi + if test -f Linux-PAM_MWG.txt; then \ + cp -p 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+top_srcdir = @top_srcdir@ +CLEANFILES = Linux-PAM_MWG.fo *~ +EXTRA_DIST = $(XMLS) +XMLS = Linux-PAM_MWG.xml $(shell ls $(srcdir)/pam_*.xml) +DEP_XMLS = $(shell ls $(top_srcdir)/doc/man/pam_*.xml) +@ENABLE_REGENERATE_MAN_TRUE@MAINTAINERCLEANFILES = Linux-PAM_MWG.txt Linux-PAM_MWG.pdf html/*.html +all: all-am + +.SUFFIXES: +$(srcdir)/Makefile.in: $(srcdir)/Makefile.am $(am__configure_deps) + @for dep in $?; do \ + case '$(am__configure_deps)' in \ + *$$dep*) \ + ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \ + && { if test -f $@; then exit 0; else break; fi; }; \ + exit 1;; \ + esac; \ + done; \ + echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu doc/mwg/Makefile'; \ + $(am__cd) $(top_srcdir) && \ + $(AUTOMAKE) --gnu doc/mwg/Makefile +Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status + @case '$?' in \ + *config.status*) \ + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \ + *) \ + echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \ + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \ + esac; + +$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh + +$(top_srcdir)/configure: $(am__configure_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +$(ACLOCAL_M4): $(am__aclocal_m4_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +$(am__aclocal_m4_deps): + +mostlyclean-libtool: + -rm -f *.lo + +clean-libtool: + -rm -rf .libs _libs +tags TAGS: + +ctags CTAGS: + +cscope cscopelist: + + +distdir: $(BUILT_SOURCES) + $(MAKE) $(AM_MAKEFLAGS) distdir-am + +distdir-am: $(DISTFILES) + @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \ + topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \ + list='$(DISTFILES)'; \ + dist_files=`for file in $$list; do echo $$file; done | \ + sed -e "s|^$$srcdirstrip/||;t" \ + -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \ + case $$dist_files in \ + */*) $(MKDIR_P) `echo "$$dist_files" | \ + sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \ + sort -u` ;; \ + esac; \ + for file in $$dist_files; do \ + if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \ + if test -d $$d/$$file; then \ + dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \ + if test -d "$(distdir)/$$file"; then \ + find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \ + fi; \ + if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \ + cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \ + find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \ + fi; \ + cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \ + else \ + test -f "$(distdir)/$$file" \ + || cp -p $$d/$$file "$(distdir)/$$file" \ + || exit 1; \ + fi; \ + done +check-am: all-am +check: check-am +all-am: Makefile +installdirs: +install: install-am +install-exec: install-exec-am +install-data: install-data-am +uninstall: uninstall-am + +install-am: all-am + @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am + +installcheck: installcheck-am +install-strip: + if test -z '$(STRIP)'; then \ + $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \ + install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \ + install; \ + else \ + $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \ + install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \ + "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \ + fi +mostlyclean-generic: + +clean-generic: + -test -z "$(CLEANFILES)" || rm -f $(CLEANFILES) + +distclean-generic: + -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES) + -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." + -test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES) +@ENABLE_REGENERATE_MAN_FALSE@distclean-local: +clean: clean-am + +clean-am: clean-generic clean-libtool mostlyclean-am + +distclean: distclean-am + -rm -f Makefile +distclean-am: clean-am distclean-generic distclean-local + +dvi: dvi-am + +dvi-am: + +html: html-am + +html-am: + +info: info-am + +info-am: + +install-data-am: install-data-local + +install-dvi: install-dvi-am + +install-dvi-am: + +install-exec-am: + +install-html: install-html-am + +install-html-am: + +install-info: install-info-am + +install-info-am: + +install-man: + +install-pdf: install-pdf-am + +install-pdf-am: + +install-ps: install-ps-am + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-am + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-am + +mostlyclean-am: mostlyclean-generic mostlyclean-libtool + +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: uninstall-local + +.MAKE: install-am install-strip + +.PHONY: all all-am check check-am clean clean-generic clean-libtool \ + cscopelist-am ctags-am distclean distclean-generic \ + distclean-libtool distclean-local distdir dvi dvi-am html \ + html-am info info-am install install-am install-data \ + install-data-am install-data-local install-dvi install-dvi-am \ + install-exec install-exec-am install-html install-html-am \ + install-info install-info-am install-man install-pdf \ + install-pdf-am install-ps install-ps-am install-strip \ + installcheck installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-generic \ + mostlyclean-libtool pdf pdf-am ps ps-am tags-am uninstall \ + uninstall-am uninstall-local + +.PRECIOUS: Makefile + + +@ENABLE_REGENERATE_MAN_TRUE@all: Linux-PAM_MWG.txt html/Linux-PAM_MWG.html Linux-PAM_MWG.pdf + +@ENABLE_REGENERATE_MAN_TRUE@Linux-PAM_MWG.pdf: $(XMLS) $(DEP_XMLS) +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ $(XMLLINT) --nonet --xinclude --postvalid --noent --noout $< +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ $(XSLTPROC) --stringparam generate.toc "book toc" \ +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ --stringparam section.autolabel 1 \ +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ --stringparam section.label.includes.component.label 1 \ +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ --stringparam toc.max.depth 3 --xinclude --nonet \ +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ http://docbook.sourceforge.net/release/xsl/current/fo/docbook.xsl $< > Linux-PAM_MWG.fo +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ $(FO2PDF) Linux-PAM_MWG.fo $@ +@ENABLE_GENERATE_PDF_FALSE@@ENABLE_REGENERATE_MAN_TRUE@ echo "No fo2pdf processor installed, skip PDF generation" + +@ENABLE_REGENERATE_MAN_TRUE@Linux-PAM_MWG.txt: $(XMLS) $(DEP_XMLS) +@ENABLE_REGENERATE_MAN_TRUE@ $(XMLLINT) --nonet --xinclude --postvalid --noent --noout $< +@ENABLE_REGENERATE_MAN_TRUE@ $(XSLTPROC) --stringparam generate.toc "book toc" \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam section.autolabel 1 \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam section.label.includes.component.label 1 \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam toc.max.depth 3 --xinclude --nonet \ +@ENABLE_REGENERATE_MAN_TRUE@ http://docbook.sourceforge.net/release/xsl/current/html/docbook.xsl $< | $(BROWSER) > $@ + +@ENABLE_REGENERATE_MAN_TRUE@html/Linux-PAM_MWG.html: $(XMLS) $(DEP_XMLS) +@ENABLE_REGENERATE_MAN_TRUE@ @test -d html || mkdir -p html +@ENABLE_REGENERATE_MAN_TRUE@ $(XMLLINT) --nonet --xinclude --postvalid --noent --noout $< +@ENABLE_REGENERATE_MAN_TRUE@ $(XSLTPROC) --stringparam base.dir html/ \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam root.filename Linux-PAM_MWG \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam use.id.as.filename 1 \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam chunk.first.sections 1 \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam section.autolabel 1 \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam section.label.includes.component.label 1 \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam toc.max.depth 3 --xinclude --nonet \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam chunker.output.encoding UTF-8 \ +@ENABLE_REGENERATE_MAN_TRUE@ http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl $< + +@ENABLE_REGENERATE_MAN_TRUE@distclean-local: +@ENABLE_REGENERATE_MAN_TRUE@ -rm -rf html Linux-PAM_MWG.txt Linux-PAM_MWG.pdf + +install-data-local: + $(mkinstalldirs) $(DESTDIR)$(docdir) + $(mkinstalldirs) $(DESTDIR)$(pdfdir) + $(mkinstalldirs) $(DESTDIR)$(htmldir) + if test -f html/Linux-PAM_MWG.html; then \ + $(install_sh_DATA) html/Linux-PAM_MWG.html html/mwg-*.html \ + $(DESTDIR)$(htmldir)/; \ + elif test -f $(srcdir)/html/Linux-PAM_MWG.html; then \ + $(install_sh_DATA) $(srcdir)/html/Linux-PAM_MWG.html \ + $(srcdir)/html/mwg-*.html \ + $(DESTDIR)$(htmldir)/; \ + fi + if test -f Linux-PAM_MWG.txt; then \ + $(install_sh_DATA) Linux-PAM_MWG.txt $(DESTDIR)$(docdir)/; \ + elif test -f $(srcdir)/Linux-PAM_MWG.txt; then \ + $(install_sh_DATA) $(srcdir)/Linux-PAM_MWG.txt \ + $(DESTDIR)$(docdir)/; \ + fi + if test -f Linux-PAM_MWG.pdf; then \ + $(install_sh_DATA) Linux-PAM_MWG.pdf $(DESTDIR)$(pdfdir)/; \ + elif test -f $(srcdir)/Linux-PAM_MWG.pdf; then \ + $(install_sh_DATA) $(srcdir)/Linux-PAM_MWG.pdf \ + $(DESTDIR)$(pdfdir)/; \ + fi + +uninstall-local: + -rm $(DESTDIR)$(htmldir)/Linux-PAM_MWG.html + -rm $(DESTDIR)$(htmldir)/mwg-*.html + -rm $(DESTDIR)$(docdir)/Linux-PAM_MWG.txt + -rm $(DESTDIR)$(pdfdir)/Linux-PAM_MWG.pdf + +releasedocs: all + $(mkinstalldirs) $(top_builddir)/Linux-PAM-$(VERSION)/doc/mwg/html + if test -f html/Linux-PAM_MWG.html; then \ + cp -ap html/Linux-PAM_MWG.html html/mwg-*.html \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/mwg/html/; \ + elif test -f $(srcdir)/html/Linux-PAM_MWG.html; then \ + cp -ap $(srcdir)/html/Linux-PAM_MWG.html \ + $(srcdir)/html/mwg-*.html \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/mwg/html/; \ + else exit 1; \ + fi + if test -f Linux-PAM_MWG.txt; then \ + cp -p Linux-PAM_MWG.txt \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/mwg/; \ + elif test -f $(srcdir)/Linux-PAM_MWG.txt; then \ + cp -p $(srcdir)/Linux-PAM_MWG.txt \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/mwg/; \ + else exit 1; \ + fi + if test -f Linux-PAM_MWG.pdf; then \ + cp -p Linux-PAM_MWG.pdf \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/mwg/; \ + elif test -f $(srcdir)/Linux-PAM_MWG.pdf; then \ + cp -p $(srcdir)/Linux-PAM_MWG.pdf \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/mwg/; \ + else exit 1; \ + fi + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/doc/mwg/pam_conv.xml b/doc/mwg/pam_conv.xml new file mode 100644 index 0000000..a2b470a --- /dev/null +++ b/doc/mwg/pam_conv.xml @@ -0,0 +1,35 @@ + + +
+ The conversation function + + + + +struct pam_message { + int msg_style; + const char *msg; +}; + +struct pam_response { + char *resp; + int resp_retcode; +}; + +struct pam_conv { + int (*conv)(int num_msg, const struct pam_message **msg, + struct pam_response **resp, void *appdata_ptr); + void *appdata_ptr; +}; + +
+ +
+
+ +
+
diff --git a/doc/mwg/pam_fail_delay.xml b/doc/mwg/pam_fail_delay.xml new file mode 100644 index 0000000..589e114 --- /dev/null +++ b/doc/mwg/pam_fail_delay.xml @@ -0,0 +1,18 @@ + + +
+ Request a delay on failure + + + +
+ +
+
+ +
+
diff --git a/doc/mwg/pam_get_data.xml b/doc/mwg/pam_get_data.xml new file mode 100644 index 0000000..b1afdb3 --- /dev/null +++ b/doc/mwg/pam_get_data.xml @@ -0,0 +1,18 @@ + + +
+ Get module internal data + + + +
+ +
+
+ +
+
diff --git a/doc/mwg/pam_get_item.xml b/doc/mwg/pam_get_item.xml new file mode 100644 index 0000000..370a10a --- /dev/null +++ b/doc/mwg/pam_get_item.xml @@ -0,0 +1,18 @@ + + +
+ Getting PAM items + + + +
+ +
+
+ +
+
diff --git a/doc/mwg/pam_get_user.xml b/doc/mwg/pam_get_user.xml new file mode 100644 index 0000000..1cb7fdf --- /dev/null +++ b/doc/mwg/pam_get_user.xml @@ -0,0 +1,18 @@ + + +
+ Get user name + + + +
+ +
+
+ +
+
diff --git a/doc/mwg/pam_getenv.xml b/doc/mwg/pam_getenv.xml new file mode 100644 index 0000000..61d69c3 --- /dev/null +++ b/doc/mwg/pam_getenv.xml @@ -0,0 +1,18 @@ + + +
+ Get a PAM environment variable + + + +
+ +
+
+ +
+
diff --git a/doc/mwg/pam_getenvlist.xml b/doc/mwg/pam_getenvlist.xml new file mode 100644 index 0000000..d3c2fcd --- /dev/null +++ b/doc/mwg/pam_getenvlist.xml @@ -0,0 +1,18 @@ + + +
+ Getting the PAM environment + + + +
+ +
+
+ +
+
diff --git a/doc/mwg/pam_putenv.xml b/doc/mwg/pam_putenv.xml new file mode 100644 index 0000000..e55f1a4 --- /dev/null +++ b/doc/mwg/pam_putenv.xml @@ -0,0 +1,18 @@ + + +
+ Set or change PAM environment variable + + + +
+ +
+
+ +
+
diff --git a/doc/mwg/pam_set_data.xml b/doc/mwg/pam_set_data.xml new file mode 100644 index 0000000..18b2711 --- /dev/null +++ b/doc/mwg/pam_set_data.xml @@ -0,0 +1,18 @@ + + +
+ Set module internal data + + + +
+ +
+
+ +
+
diff --git a/doc/mwg/pam_set_item.xml b/doc/mwg/pam_set_item.xml new file mode 100644 index 0000000..7d19925 --- /dev/null +++ b/doc/mwg/pam_set_item.xml @@ -0,0 +1,18 @@ + + +
+ Setting PAM items + + + +
+ +
+
+ +
+
diff --git a/doc/mwg/pam_sm_acct_mgmt.xml b/doc/mwg/pam_sm_acct_mgmt.xml new file mode 100644 index 0000000..10b3c9e --- /dev/null +++ b/doc/mwg/pam_sm_acct_mgmt.xml @@ -0,0 +1,18 @@ + + +
+ Service function for account management + + + +
+ +
+
+ +
+
diff --git a/doc/mwg/pam_sm_authenticate.xml b/doc/mwg/pam_sm_authenticate.xml new file mode 100644 index 0000000..54c79af --- /dev/null +++ b/doc/mwg/pam_sm_authenticate.xml @@ -0,0 +1,18 @@ + + +
+ Service function for user authentication + + + +
+ +
+
+ +
+
diff --git a/doc/mwg/pam_sm_chauthtok.xml b/doc/mwg/pam_sm_chauthtok.xml new file mode 100644 index 0000000..a136431 --- /dev/null +++ b/doc/mwg/pam_sm_chauthtok.xml @@ -0,0 +1,18 @@ + + +
+ Service function to alter authentication token + + + +
+ +
+
+ +
+
diff --git a/doc/mwg/pam_sm_close_session.xml b/doc/mwg/pam_sm_close_session.xml new file mode 100644 index 0000000..9346c50 --- /dev/null +++ b/doc/mwg/pam_sm_close_session.xml @@ -0,0 +1,18 @@ + + +
+ Service function to terminate session management + + + +
+ +
+
+ +
+
diff --git a/doc/mwg/pam_sm_open_session.xml b/doc/mwg/pam_sm_open_session.xml new file mode 100644 index 0000000..b8e3fa9 --- /dev/null +++ b/doc/mwg/pam_sm_open_session.xml @@ -0,0 +1,18 @@ + + +
+ Service function to start session management + + + +
+ +
+
+ +
+
diff --git a/doc/mwg/pam_sm_setcred.xml b/doc/mwg/pam_sm_setcred.xml new file mode 100644 index 0000000..eee8e1d --- /dev/null +++ b/doc/mwg/pam_sm_setcred.xml @@ -0,0 +1,18 @@ + + +
+ Service function to alter credentials + + + +
+ +
+
+ +
+
diff --git a/doc/mwg/pam_strerror.xml b/doc/mwg/pam_strerror.xml new file mode 100644 index 0000000..35b08a2 --- /dev/null +++ b/doc/mwg/pam_strerror.xml @@ -0,0 +1,18 @@ + + +
+ Strings describing PAM error codes + + + +
+ +
+
+ +
+
diff --git a/doc/sag/Linux-PAM_SAG.xml b/doc/sag/Linux-PAM_SAG.xml new file mode 100644 index 0000000..0f33e0f --- /dev/null +++ b/doc/sag/Linux-PAM_SAG.xml @@ -0,0 +1,570 @@ + + + + + The Linux-PAM System Administrators' Guide + + + Andrew G. + Morgan + morgan@kernel.org + + + Thorsten + Kukuk + kukuk@thkukuk.de + + + Version 1.1.2, 31. August 2010 + + + This manual documents what a system-administrator needs to know about + the Linux-PAM library. It covers the + correct syntax of the PAM configuration file and discusses strategies + for maintaining a secure system. + + + + + + Introduction + + Linux-PAM (Pluggable Authentication + Modules for Linux) is a suite of shared libraries that enable the + local system administrator to choose how applications authenticate users. + + + In other words, without (rewriting and) recompiling a PAM-aware + application, it is possible to switch between the authentication + mechanism(s) it uses. Indeed, one may entirely upgrade the local + authentication system without touching the applications themselves. + + + Historically an application that has required a given user to be + authenticated, has had to be compiled to use a specific authentication + mechanism. For example, in the case of traditional UN*X systems, the + identity of the user is verified by the user entering a correct + password. This password, after being prefixed by a two character + ``salt'', is encrypted (with crypt(3)). The user is then authenticated + if this encrypted password is identical to the second field of the + user's entry in the system password database (the + /etc/passwd file). On such systems, most if + not all forms of privileges are granted based on this single + authentication scheme. Privilege comes in the form of a personal + user-identifier (UID) and membership of various groups. Services and + applications are available based on the personal and group identity + of the user. Traditionally, group membership has been assigned based + on entries in the /etc/group file. + + + It is the purpose of the Linux-PAM + project to separate the development of privilege granting software + from the development of secure and appropriate authentication schemes. + This is accomplished by providing a library of functions that an + application may use to request that a user be authenticated. This + PAM library is configured locally with a system file, + /etc/pam.conf (or a series of configuration + files located in /etc/pam.d/) to authenticate a + user request via the locally available authentication modules. The + modules themselves will usually be located in the directory + /lib/security or + /lib64/security and take the form of dynamically + loadable object files (see + dlopen3 + ). + + + + + Some comments on the text + + Before proceeding to read the rest of this document, it should be + noted that the text assumes that certain files are placed in certain + directories. Where they have been specified, the conventions we adopt + here for locating these files are those of the relevant RFC (RFC-86.0, + see bibliography"). If you are + using a distribution of Linux (or some other operating system) that + supports PAM but chooses to distribute these files in a different way + you should be careful when copying examples directly from the text. + + + As an example of the above, where it is explicit, the text assumes + that PAM loadable object files (the + modules) are to be located in + the following directory: /lib/security/ or + /lib64/security depending on the architecture. + This is generally the location that seems to be compatible with the + Filesystem Hierarchy Standard (FHS). On Solaris, which has its own + licensed version of PAM, and some other implementations of UN*X, + these files can be found in /usr/lib/security. + Please be careful to perform the necessary transcription when using + the examples from the text. + + + + + Overview + + For the uninitiated, we begin by considering an example. We take an + application that grants some service to users; + login is one such program. + Login does two things, it first establishes that + the requesting user is whom they claim to be and second provides + them with the requested service: in the case of + login the service is a command shell + (bash, tcsh, zsh, etc.) running with the identity of the user. + + + Traditionally, the former step is achieved by the + login application prompting the user for a + password and then verifying that it agrees with that located on + the system; hence verifying that as far as the system is concerned + the user is who they claim to be. This is the task that is delegated + to Linux-PAM. + + + From the perspective of the application programmer (in this case + the person that wrote the login application), + Linux-PAM takes care of this + authentication task -- verifying the identity of the user. + + + The flexibility of Linux-PAM is + that you, the system administrator, have + the freedom to stipulate which authentication scheme is to be + used. You have the freedom to set the scheme for any/all + PAM-aware applications on your Linux system. That is, you can + authenticate from anything as naive as + simple trust (pam_permit) + to something as paranoid as a combination of a retinal scan, a + voice print and a one-time password! + + + To illustrate the flexibility you face, consider the following + situation: a system administrator (parent) wishes to improve the + mathematical ability of her users (children). She can configure + their favorite ``Shoot 'em up game'' (PAM-aware of course) to + authenticate them with a request for the product of a couple of + random numbers less than 12. It is clear that if the game is any + good they will soon learn their + multiplication tables. As they mature, the + authentication can be upgraded to include (long) division! + + + Linux-PAM deals with four + separate types of (management) task. These are: + authentication management; + account management; + session management; and + password management. + The association of the preferred management scheme with the behavior + of an application is made with entries in the relevant + Linux-PAM configuration file. + The management functions are performed by modules + specified in the configuration file. The syntax for this + file is discussed in the section + below. + + + Here is a figure that describes the overall organization of + Linux-PAM: + + +----------------+ + | application: X | + +----------------+ / +----------+ +================+ + | authentication-[---->--\--] Linux- |--<--| PAM config file| + | + [----<--/--] PAM | |================| + |[conversation()][--+ \ | | | X auth .. a.so | + +----------------+ | / +-n--n-----+ | X auth .. b.so | + | | | __| | | _____/ + | service user | A | | |____,-----' + | | | V A + +----------------+ +------|-----|---------+ -----+------+ + +---u-----u----+ | | | + | auth.... |--[ a ]--[ b ]--[ c ] + +--------------+ + | acct.... |--[ b ]--[ d ] + +--------------+ + | password |--[ b ]--[ c ] + +--------------+ + | session |--[ e ]--[ c ] + +--------------+ + + By way of explanation, the left of the figure represents the + application; application X. Such an application interfaces with the + Linux-PAM library and knows none of + the specifics of its configured authentication method. The + Linux-PAM library (in the center) + consults the contents of the PAM configuration file and loads the + modules that are appropriate for application-X. These modules fall + into one of four management groups (lower-center) and are stacked in + the order they appear in the configuration file. These modules, when + called by Linux-PAM, perform the + various authentication tasks for the application. Textual information, + required from/or offered to the user, can be exchanged through the + use of the application-supplied conversation + function. + + + If a program is going to use PAM, then it has to have PAM + functions explicitly coded into the program. If you have + access to the source code you can add the appropriate PAM + functions. If you do not have access to the source code, and + the binary does not have the PAM functions included, then + it is not possible to use PAM. + + + + + The Linux-PAM configuration file + +
+ Configuration file syntax + +
+
+ Directory based configuration + +
+
+ Example configuration file entries + + In this section, we give some examples of entries that can + be present in the Linux-PAM + configuration file. As a first attempt at configuring your + system you could do worse than to implement these. + + + If a system is to be considered secure, it had better have a + reasonably secure 'other entry. + The following is a paranoid setting (which is not a bad place + to start!): + + +# +# default; deny access +# +other auth required pam_deny.so +other account required pam_deny.so +other password required pam_deny.so +other session required pam_deny.so + + + Whilst fundamentally a secure default, this is not very + sympathetic to a misconfigured system. For example, such + a system is vulnerable to locking everyone out should the + rest of the file become badly written. + + + The module pam_deny (documented in a + later section) is not very + sophisticated. For example, it logs no information when it + is invoked so unless the users of a system contact the + administrator when failing to execute a service application, + the administrator may go for a long while in ignorance of the + fact that his system is misconfigured. + + + The addition of the following line before those in the above + example would provide a suitable warning to the administrator. + + +# +# default; wake up! This application is not configured +# +other auth required pam_warn.so +other password required pam_warn.so + + + Having two 'other auth' lines is an + example of stacking. + + + On a system that uses the /etc/pam.d/ + configuration, the corresponding default setup would be + achieved with the following file: + + +# +# default configuration: /etc/pam.d/other +# +auth required pam_warn.so +auth required pam_deny.so +account required pam_deny.so +password required pam_warn.so +password required pam_deny.so +session required pam_deny.so + + + This is the only explicit example we give for an + /etc/pam.d/ file. In general, it + should be clear how to transpose the remaining examples + to this configuration scheme. + + + On a less sensitive computer, one on which the system + administrator wishes to remain ignorant of much of the + power of Linux-PAM, the + following selection of lines (in + /etc/pam.d/other) is likely to + mimic the historically familiar Linux setup. + + +# +# default; standard UN*X access +# +auth required pam_unix.so +account required pam_unix.so +password required pam_unix.so +session required pam_unix.so + + + In general this will provide a starting place for most applications. + +
+ + + + Security issues +
+ If something goes wrong + + Linux-PAM has the potential + to seriously change the security of your system. You can + choose to have no security or absolute security (no access + permitted). In general, Linux-PAM + errs towards the latter. Any number of configuration errors + can disable access to your system partially, or completely. + + + The most dramatic problem that is likely to be encountered when + configuring Linux-PAM is that of + deleting the configuration file(s): + /etc/pam.d/* and/or + /etc/pam.conf. This will lock you out of + your own system! + + + To recover, your best bet is to restore the system from a + backup or boot the system into a rescue system and correct + things from there. + +
+
+ Avoid having a weak `other' configuration + + It is not a good thing to have a weak default + (other) entry. + This service is the default configuration for all PAM aware + applications and if it is weak, your system is likely to be + vulnerable to attack. + + + Here is a sample "other" configuration file. The + pam_deny module will deny access and the + pam_warn module will send a syslog message + to auth.notice: + + +# +# The PAM configuration file for the `other' service +# +auth required pam_deny.so +auth required pam_warn.so +account required pam_deny.so +account required pam_warn.so +password required pam_deny.so +password required pam_warn.so +session required pam_deny.so +session required pam_warn.so + +
+ + + + A reference guide for available modules + + Here, we collect together the descriptions of the various modules + coming with Linux-PAM. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + See also + + + + The Linux-PAM Application Writers' Guide. + + + + + The Linux-PAM Module Writers' Guide. + + + + + The V. Samar and R. Schemers (SunSoft), ``UNIFIED LOGIN WITH + PLUGGABLE AUTHENTICATION MODULES'', Open Software Foundation + Request For Comments 86.0, October 1995. + + + + + + + Author/acknowledgments + + This document was written by Andrew G. Morgan (morgan@kernel.org) + with many contributions from + Chris Adams, Peter Allgeyer, Tim Baverstock, Tim Berger, + Craig S. Bell, Derrick J. Brashear, Ben Buxton, Seth Chaiklin, + Oliver Crow, Chris Dent, Marc Ewing, Cristian Gafton, + Emmanuel Galanos, Brad M. Garcia, Eric Hester, Michel D'Hooge, + Roger Hu, Eric Jacksch, Michael K. Johnson, David Kinchlea, + Olaf Kirch, Marcin Korzonek, Thorsten Kukuk, Stephen Langasek, + Nicolai Langfeldt, Elliot Lee, Luke Kenneth Casson Leighton, + Al Longyear, Ingo Luetkebohle, Marek Michalkiewicz, + Robert Milkowski, Aleph One, Martin Pool, Sean Reifschneider, + Jan Rekorajski, Erik Troan, Theodore Ts'o, Jeff Uphoff, Myles Uyema, + Savochkin Andrey Vladimirovich, Ronald Wahl, David Wood, John Wilmes, + Joseph S. D. Yao and Alex O. Yuriev. + + + Thanks are also due to Sun Microsystems, especially to Vipin Samar and + Charlie Lai for their advice. At an early stage in the development of + Linux-PAM, Sun graciously made the + documentation for their implementation of PAM available. This act + greatly accelerated the development of + Linux-PAM. + + + + + Copyright information for this document + +Copyright (c) 2006 Thorsten Kukuk <kukuk@thkukuk.de> +Copyright (c) 1996-2002 Andrew G. Morgan <morgan@kernel.org> + + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are + met: + + +1. Redistributions of source code must retain the above copyright + notice, and the entire permission notice in its entirety, + including the disclaimer of warranties. + +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +3. The name of the author may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + + Alternatively, this product may be distributed under the terms of + the GNU General Public License (GPL), in which case the provisions + of the GNU GPL are required instead of the above restrictions. + (This clause is necessary due to a potential bad interaction between + the GNU GPL and the restrictions contained in a BSD-style copyright.) + + +THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED +WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR +TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE +USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + + + diff --git a/doc/sag/Makefile.am b/doc/sag/Makefile.am new file mode 100644 index 0000000..31816aa --- /dev/null +++ b/doc/sag/Makefile.am @@ -0,0 +1,113 @@ +# +# Copyright (c) 2006 Thorsten Kukuk +# + +CLEANFILES = Linux-PAM_SAG.fo *~ + +EXTRA_DIST = $(XMLS) + +XMLS = Linux-PAM_SAG.xml $(shell ls $(srcdir)/pam_*.xml) + +DEP_XMLS = $(shell ls $(top_srcdir)/modules/pam_*/pam_*.xml) + +if ENABLE_REGENERATE_MAN +MAINTAINERCLEANFILES = Linux-PAM_SAG.txt Linux-PAM_SAG.pdf html/*.html + +all: Linux-PAM_SAG.txt html/Linux-PAM_SAG.html Linux-PAM_SAG.pdf + +Linux-PAM_SAG.pdf: $(XMLS) $(DEP_XMLS) +if ENABLE_GENERATE_PDF + $(XMLLINT) --nonet --xinclude --postvalid --noent --noout $< + $(XSLTPROC) --stringparam generate.toc "book toc" \ + --stringparam section.autolabel 1 \ + --stringparam section.label.includes.component.label 1 \ + --stringparam toc.max.depth 2 --xinclude --nonet \ + http://docbook.sourceforge.net/release/xsl/current/fo/docbook.xsl $< > Linux-PAM_SAG.fo + $(FO2PDF) Linux-PAM_SAG.fo $@ +else + echo "No fo2pdf processor installed, skip PDF generation" +endif + +Linux-PAM_SAG.txt: $(XMLS) $(DEP_XMLS) + $(XMLLINT) --nonet --xinclude --postvalid --noent --noout $< + $(XSLTPROC) --stringparam generate.toc "book toc" \ + --stringparam section.autolabel 1 \ + --stringparam section.label.includes.component.label 1 \ + --stringparam toc.max.depth 2 --xinclude --nonet \ + http://docbook.sourceforge.net/release/xsl/current/html/docbook.xsl $< | $(BROWSER) > $@ + +html/Linux-PAM_SAG.html: $(XMLS) $(DEP_XMLS) + @test -d html || mkdir -p html + $(XMLLINT) --nonet --xinclude --postvalid --noent --noout $< + $(XSLTPROC) --stringparam base.dir html/ \ + --stringparam root.filename Linux-PAM_SAG \ + --stringparam use.id.as.filename 1 \ + --stringparam chunk.first.sections 1 \ + --stringparam section.autolabel 1 \ + --stringparam section.label.includes.component.label 1 \ + --stringparam toc.max.depth 2 --xinclude --nonet \ + --stringparam chunker.output.encoding UTF-8 \ + http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl $< + +distclean-local: + -rm -rf html Linux-PAM_SAG.txt Linux-PAM_SAG.pdf +endif + +install-data-local: + $(mkinstalldirs) $(DESTDIR)$(docdir) + $(mkinstalldirs) $(DESTDIR)$(pdfdir) + $(mkinstalldirs) $(DESTDIR)$(htmldir) + if test -f html/Linux-PAM_SAG.html; then \ + $(install_sh_DATA) html/Linux-PAM_SAG.html html/sag-*.html \ + $(DESTDIR)$(htmldir)/; \ + elif test -f $(srcdir)/html/Linux-PAM_SAG.html; then \ + $(install_sh_DATA) $(srcdir)/html/Linux-PAM_SAG.html \ + $(srcdir)/html/sag-*.html \ + $(DESTDIR)$(htmldir)/; \ + fi + if test -f Linux-PAM_SAG.txt; then \ + $(install_sh_DATA) Linux-PAM_SAG.txt $(DESTDIR)$(docdir)/; \ + elif test -f $(srcdir)/Linux-PAM_SAG.txt; then \ + $(install_sh_DATA) $(srcdir)/Linux-PAM_SAG.txt \ + $(DESTDIR)$(docdir)/; \ + fi + if test -f Linux-PAM_SAG.pdf; then \ + $(install_sh_DATA) Linux-PAM_SAG.pdf $(DESTDIR)$(pdfdir)/; \ + elif test -f $(srcdir)/Linux-PAM_SAG.pdf; then \ + $(install_sh_DATA) $(srcdir)/Linux-PAM_SAG.pdf \ + $(DESTDIR)$(pdfdir)/; \ + fi + +uninstall-local: + -rm $(DESTDIR)$(htmldir)/Linux-PAM_SAG.html + -rm $(DESTDIR)$(htmldir)/sag-*.html + -rm $(DESTDIR)$(docdir)/Linux-PAM_SAG.txt + -rm $(DESTDIR)$(pdfdir)/Linux-PAM_SAG.pdf + +releasedocs: all + $(mkinstalldirs) $(top_builddir)/Linux-PAM-$(VERSION)/doc/sag/html + if test -f html/Linux-PAM_SAG.html; then \ + cp -ap html/Linux-PAM_SAG.html html/sag-*.html \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/sag/html/; \ + elif test -f $(srcdir)/html/Linux-PAM_SAG.html; then \ + cp -ap $(srcdir)/html/Linux-PAM_SAG.html \ + $(srcdir)/html/sag-*.html \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/sag/html/; \ + else exit 1; \ + fi + if test -f Linux-PAM_SAG.txt; then \ + cp -p 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@RANLIB@ +SCONFIGDIR = @SCONFIGDIR@ +SECUREDIR = @SECUREDIR@ +SED = @SED@ +SET_MAKE = @SET_MAKE@ +SHELL = @SHELL@ +STRINGPARAM_HMAC = @STRINGPARAM_HMAC@ +STRINGPARAM_VENDORDIR = @STRINGPARAM_VENDORDIR@ +STRIP = @STRIP@ +TIRPC_CFLAGS = @TIRPC_CFLAGS@ +TIRPC_LIBS = @TIRPC_LIBS@ +USE_NLS = @USE_NLS@ +VERSION = @VERSION@ +WARN_CFLAGS = @WARN_CFLAGS@ +XGETTEXT = @XGETTEXT@ +XGETTEXT_015 = @XGETTEXT_015@ +XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ +XMLCATALOG = @XMLCATALOG@ +XMLLINT = @XMLLINT@ +XML_CATALOG_FILE = @XML_CATALOG_FILE@ +XSLTPROC = @XSLTPROC@ +YACC = @YACC@ +YFLAGS = @YFLAGS@ +abs_builddir = @abs_builddir@ +abs_srcdir = @abs_srcdir@ +abs_top_builddir = @abs_top_builddir@ +abs_top_srcdir = @abs_top_srcdir@ +ac_ct_AR = @ac_ct_AR@ +ac_ct_CC = @ac_ct_CC@ +ac_ct_DUMPBIN = @ac_ct_DUMPBIN@ +am__include = @am__include@ +am__leading_dot = @am__leading_dot@ +am__quote = @am__quote@ +am__tar = @am__tar@ +am__untar = @am__untar@ +bindir = @bindir@ +build = @build@ +build_alias = @build_alias@ +build_cpu = @build_cpu@ +build_os = @build_os@ +build_vendor = @build_vendor@ +builddir = @builddir@ +datadir = @datadir@ +datarootdir = @datarootdir@ +docdir = @docdir@ +dvidir = @dvidir@ +exec_prefix = @exec_prefix@ +host = @host@ +host_alias = @host_alias@ +host_cpu = @host_cpu@ +host_os = @host_os@ +host_vendor = @host_vendor@ +htmldir = @htmldir@ +includedir = @includedir@ +infodir = @infodir@ +install_sh = @install_sh@ +libdir = @libdir@ +libexecdir = @libexecdir@ +localedir = @localedir@ +localstatedir = @localstatedir@ +mandir = @mandir@ +mkdir_p = @mkdir_p@ +oldincludedir = @oldincludedir@ +pam_xauth_path = @pam_xauth_path@ +pdfdir = @pdfdir@ +prefix = @prefix@ +program_transform_name = @program_transform_name@ +psdir = @psdir@ +sbindir = @sbindir@ +sharedstatedir = @sharedstatedir@ +srcdir = @srcdir@ +sysconfdir = @sysconfdir@ +systemdunitdir = @systemdunitdir@ +target_alias = @target_alias@ +top_build_prefix = @top_build_prefix@ +top_builddir = @top_builddir@ +top_srcdir = @top_srcdir@ +CLEANFILES = Linux-PAM_SAG.fo *~ +EXTRA_DIST = $(XMLS) +XMLS = Linux-PAM_SAG.xml $(shell ls $(srcdir)/pam_*.xml) +DEP_XMLS = $(shell ls $(top_srcdir)/modules/pam_*/pam_*.xml) +@ENABLE_REGENERATE_MAN_TRUE@MAINTAINERCLEANFILES = Linux-PAM_SAG.txt Linux-PAM_SAG.pdf html/*.html +all: all-am + +.SUFFIXES: +$(srcdir)/Makefile.in: $(srcdir)/Makefile.am $(am__configure_deps) + @for dep in $?; do \ + case '$(am__configure_deps)' in \ + *$$dep*) \ + ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \ + && { if test -f $@; then exit 0; else break; fi; }; \ + exit 1;; \ + esac; \ + done; \ + echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu doc/sag/Makefile'; \ + $(am__cd) $(top_srcdir) && \ + $(AUTOMAKE) --gnu doc/sag/Makefile +Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status + @case '$?' in \ + *config.status*) \ + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \ + *) \ + echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \ + cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \ + esac; + +$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh + +$(top_srcdir)/configure: $(am__configure_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +$(ACLOCAL_M4): $(am__aclocal_m4_deps) + cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh +$(am__aclocal_m4_deps): + +mostlyclean-libtool: + -rm -f *.lo + +clean-libtool: + -rm -rf .libs _libs +tags TAGS: + +ctags CTAGS: + +cscope cscopelist: + + +distdir: $(BUILT_SOURCES) + $(MAKE) $(AM_MAKEFLAGS) distdir-am + +distdir-am: $(DISTFILES) + @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \ + topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \ + list='$(DISTFILES)'; \ + dist_files=`for file in $$list; do echo $$file; done | \ + sed -e "s|^$$srcdirstrip/||;t" \ + -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \ + case $$dist_files in \ + */*) $(MKDIR_P) `echo "$$dist_files" | \ + sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \ + sort -u` ;; \ + esac; \ + for file in $$dist_files; do \ + if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \ + if test -d $$d/$$file; then \ + dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \ + if test -d "$(distdir)/$$file"; then \ + find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \ + fi; \ + if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \ + cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \ + find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \ + fi; \ + cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \ + else \ + test -f "$(distdir)/$$file" \ + || cp -p $$d/$$file "$(distdir)/$$file" \ + || exit 1; \ + fi; \ + done +check-am: all-am +check: check-am +all-am: Makefile +installdirs: +install: install-am +install-exec: install-exec-am +install-data: install-data-am +uninstall: uninstall-am + +install-am: all-am + @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am + +installcheck: installcheck-am +install-strip: + if test -z '$(STRIP)'; then \ + $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \ + install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \ + install; \ + else \ + $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \ + install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \ + "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \ + fi +mostlyclean-generic: + +clean-generic: + -test -z "$(CLEANFILES)" || rm -f $(CLEANFILES) + +distclean-generic: + -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES) + -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." + -test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES) +@ENABLE_REGENERATE_MAN_FALSE@distclean-local: +clean: clean-am + +clean-am: clean-generic clean-libtool mostlyclean-am + +distclean: distclean-am + -rm -f Makefile +distclean-am: clean-am distclean-generic distclean-local + +dvi: dvi-am + +dvi-am: + +html: html-am + +html-am: + +info: info-am + +info-am: + +install-data-am: install-data-local + +install-dvi: install-dvi-am + +install-dvi-am: + +install-exec-am: + +install-html: install-html-am + +install-html-am: + +install-info: install-info-am + +install-info-am: + +install-man: + +install-pdf: install-pdf-am + +install-pdf-am: + +install-ps: install-ps-am + +install-ps-am: + +installcheck-am: + +maintainer-clean: maintainer-clean-am + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-am + +mostlyclean-am: mostlyclean-generic mostlyclean-libtool + +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: uninstall-local + +.MAKE: install-am install-strip + +.PHONY: all all-am check check-am clean clean-generic clean-libtool \ + cscopelist-am ctags-am distclean distclean-generic \ + distclean-libtool distclean-local distdir dvi dvi-am html \ + html-am info info-am install install-am install-data \ + install-data-am install-data-local install-dvi install-dvi-am \ + install-exec install-exec-am install-html install-html-am \ + install-info install-info-am install-man install-pdf \ + install-pdf-am install-ps install-ps-am install-strip \ + installcheck installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-generic \ + mostlyclean-libtool pdf pdf-am ps ps-am tags-am uninstall \ + uninstall-am uninstall-local + +.PRECIOUS: Makefile + + +@ENABLE_REGENERATE_MAN_TRUE@all: Linux-PAM_SAG.txt html/Linux-PAM_SAG.html Linux-PAM_SAG.pdf + +@ENABLE_REGENERATE_MAN_TRUE@Linux-PAM_SAG.pdf: $(XMLS) $(DEP_XMLS) +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ $(XMLLINT) --nonet --xinclude --postvalid --noent --noout $< +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ $(XSLTPROC) --stringparam generate.toc "book toc" \ +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ --stringparam section.autolabel 1 \ +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ --stringparam section.label.includes.component.label 1 \ +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ --stringparam toc.max.depth 2 --xinclude --nonet \ +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ http://docbook.sourceforge.net/release/xsl/current/fo/docbook.xsl $< > Linux-PAM_SAG.fo +@ENABLE_GENERATE_PDF_TRUE@@ENABLE_REGENERATE_MAN_TRUE@ $(FO2PDF) Linux-PAM_SAG.fo $@ +@ENABLE_GENERATE_PDF_FALSE@@ENABLE_REGENERATE_MAN_TRUE@ echo "No fo2pdf processor installed, skip PDF generation" + +@ENABLE_REGENERATE_MAN_TRUE@Linux-PAM_SAG.txt: $(XMLS) $(DEP_XMLS) +@ENABLE_REGENERATE_MAN_TRUE@ $(XMLLINT) --nonet --xinclude --postvalid --noent --noout $< +@ENABLE_REGENERATE_MAN_TRUE@ $(XSLTPROC) --stringparam generate.toc "book toc" \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam section.autolabel 1 \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam section.label.includes.component.label 1 \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam toc.max.depth 2 --xinclude --nonet \ +@ENABLE_REGENERATE_MAN_TRUE@ http://docbook.sourceforge.net/release/xsl/current/html/docbook.xsl $< | $(BROWSER) > $@ + +@ENABLE_REGENERATE_MAN_TRUE@html/Linux-PAM_SAG.html: $(XMLS) $(DEP_XMLS) +@ENABLE_REGENERATE_MAN_TRUE@ @test -d html || mkdir -p html +@ENABLE_REGENERATE_MAN_TRUE@ $(XMLLINT) --nonet --xinclude --postvalid --noent --noout $< +@ENABLE_REGENERATE_MAN_TRUE@ $(XSLTPROC) --stringparam base.dir html/ \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam root.filename Linux-PAM_SAG \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam use.id.as.filename 1 \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam chunk.first.sections 1 \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam section.autolabel 1 \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam section.label.includes.component.label 1 \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam toc.max.depth 2 --xinclude --nonet \ +@ENABLE_REGENERATE_MAN_TRUE@ --stringparam chunker.output.encoding UTF-8 \ +@ENABLE_REGENERATE_MAN_TRUE@ http://docbook.sourceforge.net/release/xsl/current/html/chunk.xsl $< + +@ENABLE_REGENERATE_MAN_TRUE@distclean-local: +@ENABLE_REGENERATE_MAN_TRUE@ -rm -rf html Linux-PAM_SAG.txt Linux-PAM_SAG.pdf + +install-data-local: + $(mkinstalldirs) $(DESTDIR)$(docdir) + $(mkinstalldirs) $(DESTDIR)$(pdfdir) + $(mkinstalldirs) $(DESTDIR)$(htmldir) + if test -f html/Linux-PAM_SAG.html; then \ + $(install_sh_DATA) html/Linux-PAM_SAG.html html/sag-*.html \ + $(DESTDIR)$(htmldir)/; \ + elif test -f $(srcdir)/html/Linux-PAM_SAG.html; then \ + $(install_sh_DATA) $(srcdir)/html/Linux-PAM_SAG.html \ + $(srcdir)/html/sag-*.html \ + $(DESTDIR)$(htmldir)/; \ + fi + if test -f Linux-PAM_SAG.txt; then \ + $(install_sh_DATA) Linux-PAM_SAG.txt $(DESTDIR)$(docdir)/; \ + elif test -f $(srcdir)/Linux-PAM_SAG.txt; then \ + $(install_sh_DATA) $(srcdir)/Linux-PAM_SAG.txt \ + $(DESTDIR)$(docdir)/; \ + fi + if test -f Linux-PAM_SAG.pdf; then \ + $(install_sh_DATA) Linux-PAM_SAG.pdf $(DESTDIR)$(pdfdir)/; \ + elif test -f $(srcdir)/Linux-PAM_SAG.pdf; then \ + $(install_sh_DATA) $(srcdir)/Linux-PAM_SAG.pdf \ + $(DESTDIR)$(pdfdir)/; \ + fi + +uninstall-local: + -rm $(DESTDIR)$(htmldir)/Linux-PAM_SAG.html + -rm $(DESTDIR)$(htmldir)/sag-*.html + -rm $(DESTDIR)$(docdir)/Linux-PAM_SAG.txt + -rm $(DESTDIR)$(pdfdir)/Linux-PAM_SAG.pdf + +releasedocs: all + $(mkinstalldirs) $(top_builddir)/Linux-PAM-$(VERSION)/doc/sag/html + if test -f html/Linux-PAM_SAG.html; then \ + cp -ap html/Linux-PAM_SAG.html html/sag-*.html \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/sag/html/; \ + elif test -f $(srcdir)/html/Linux-PAM_SAG.html; then \ + cp -ap $(srcdir)/html/Linux-PAM_SAG.html \ + $(srcdir)/html/sag-*.html \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/sag/html/; \ + else exit 1; \ + fi + if test -f Linux-PAM_SAG.txt; then \ + cp -p Linux-PAM_SAG.txt \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/sag/; \ + elif test -f $(srcdir)/Linux-PAM_SAG.txt; then \ + cp -p $(srcdir)/Linux-PAM_SAG.txt \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/sag/; \ + else exit 1; \ + fi + if test -f Linux-PAM_SAG.pdf; then \ + cp -p Linux-PAM_SAG.pdf \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/sag/; \ + elif test -f $(srcdir)/Linux-PAM_SAG.pdf; then \ + cp -p $(srcdir)/Linux-PAM_SAG.pdf \ + $(top_builddir)/Linux-PAM-$(VERSION)/doc/sag/; \ + else exit 1; \ + fi + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/doc/sag/pam_access.xml b/doc/sag/pam_access.xml new file mode 100644 index 0000000..b9bf39d --- /dev/null +++ b/doc/sag/pam_access.xml @@ -0,0 +1,42 @@ + + +
+ pam_access - logdaemon style login access control + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_debug.xml b/doc/sag/pam_debug.xml new file mode 100644 index 0000000..b131954 --- /dev/null +++ b/doc/sag/pam_debug.xml @@ -0,0 +1,34 @@ + + +
+ pam_debug - debug the PAM stack + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_deny.xml b/doc/sag/pam_deny.xml new file mode 100644 index 0000000..2cb71a0 --- /dev/null +++ b/doc/sag/pam_deny.xml @@ -0,0 +1,34 @@ + + +
+ pam_deny - locking-out PAM module + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_echo.xml b/doc/sag/pam_echo.xml new file mode 100644 index 0000000..b066d4a --- /dev/null +++ b/doc/sag/pam_echo.xml @@ -0,0 +1,34 @@ + + +
+ pam_echo - print text messages + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_env.xml b/doc/sag/pam_env.xml new file mode 100644 index 0000000..9f6e633 --- /dev/null +++ b/doc/sag/pam_env.xml @@ -0,0 +1,42 @@ + + +
+ pam_env - set/unset environment variables + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_exec.xml b/doc/sag/pam_exec.xml new file mode 100644 index 0000000..265e7f4 --- /dev/null +++ b/doc/sag/pam_exec.xml @@ -0,0 +1,34 @@ + + +
+ pam_exec - call an external command + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_faildelay.xml b/doc/sag/pam_faildelay.xml new file mode 100644 index 0000000..1d8295e --- /dev/null +++ b/doc/sag/pam_faildelay.xml @@ -0,0 +1,34 @@ + + +
+ pam_faildelay - change the delay on failure per-application + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_faillock.xml b/doc/sag/pam_faillock.xml new file mode 100644 index 0000000..96940c6 --- /dev/null +++ b/doc/sag/pam_faillock.xml @@ -0,0 +1,38 @@ + + +
+ pam_faillock - temporarily locking access based on failed authentication attempts during an interval + + + + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_filter.xml b/doc/sag/pam_filter.xml new file mode 100644 index 0000000..6a4a1ba --- /dev/null +++ b/doc/sag/pam_filter.xml @@ -0,0 +1,34 @@ + + +
+ pam_filter - filter module + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_ftp.xml b/doc/sag/pam_ftp.xml new file mode 100644 index 0000000..b245626 --- /dev/null +++ b/doc/sag/pam_ftp.xml @@ -0,0 +1,34 @@ + + +
+ pam_ftp - module for anonymous access + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_group.xml b/doc/sag/pam_group.xml new file mode 100644 index 0000000..ce82bf0 --- /dev/null +++ b/doc/sag/pam_group.xml @@ -0,0 +1,42 @@ + + +
+ pam_group - module to modify group access + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_issue.xml b/doc/sag/pam_issue.xml new file mode 100644 index 0000000..5033d23 --- /dev/null +++ b/doc/sag/pam_issue.xml @@ -0,0 +1,34 @@ + + +
+ pam_issue - add issue file to user prompt + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_keyinit.xml b/doc/sag/pam_keyinit.xml new file mode 100644 index 0000000..3caa4c2 --- /dev/null +++ b/doc/sag/pam_keyinit.xml @@ -0,0 +1,34 @@ + + +
+ pam_keyinit - display the keyinit file + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_lastlog.xml b/doc/sag/pam_lastlog.xml new file mode 100644 index 0000000..c250c01 --- /dev/null +++ b/doc/sag/pam_lastlog.xml @@ -0,0 +1,34 @@ + + +
+ pam_lastlog - display date of last login + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_limits.xml b/doc/sag/pam_limits.xml new file mode 100644 index 0000000..7f898a4 --- /dev/null +++ b/doc/sag/pam_limits.xml @@ -0,0 +1,42 @@ + + +
+ pam_limits - limit resources + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_listfile.xml b/doc/sag/pam_listfile.xml new file mode 100644 index 0000000..db7acdc --- /dev/null +++ b/doc/sag/pam_listfile.xml @@ -0,0 +1,34 @@ + + +
+ pam_listfile - deny or allow services based on an arbitrary file + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_localuser.xml b/doc/sag/pam_localuser.xml new file mode 100644 index 0000000..480ff96 --- /dev/null +++ b/doc/sag/pam_localuser.xml @@ -0,0 +1,34 @@ + + +
+ pam_localuser - require users to be listed in /etc/passwd + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_loginuid.xml b/doc/sag/pam_loginuid.xml new file mode 100644 index 0000000..3b44284 --- /dev/null +++ b/doc/sag/pam_loginuid.xml @@ -0,0 +1,34 @@ + + +
+ pam_loginuid - record user's login uid to the process attribute + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_mail.xml b/doc/sag/pam_mail.xml new file mode 100644 index 0000000..031f786 --- /dev/null +++ b/doc/sag/pam_mail.xml @@ -0,0 +1,34 @@ + + +
+ pam_mail - inform about available mail + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_mkhomedir.xml b/doc/sag/pam_mkhomedir.xml new file mode 100644 index 0000000..dc6a1eb --- /dev/null +++ b/doc/sag/pam_mkhomedir.xml @@ -0,0 +1,34 @@ + + +
+ pam_mkhomedir - create users home directory + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_motd.xml b/doc/sag/pam_motd.xml new file mode 100644 index 0000000..7a7d2de --- /dev/null +++ b/doc/sag/pam_motd.xml @@ -0,0 +1,34 @@ + + +
+ pam_motd - display the motd file + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_namespace.xml b/doc/sag/pam_namespace.xml new file mode 100644 index 0000000..6ece9bc --- /dev/null +++ b/doc/sag/pam_namespace.xml @@ -0,0 +1,42 @@ + + +
+ pam_namespace - setup a private namespace + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_nologin.xml b/doc/sag/pam_nologin.xml new file mode 100644 index 0000000..0c626b8 --- /dev/null +++ b/doc/sag/pam_nologin.xml @@ -0,0 +1,34 @@ + + +
+ pam_nologin - prevent non-root users from login + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_permit.xml b/doc/sag/pam_permit.xml new file mode 100644 index 0000000..7c20047 --- /dev/null +++ b/doc/sag/pam_permit.xml @@ -0,0 +1,34 @@ + + +
+ pam_permit - the promiscuous module + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_pwhistory.xml b/doc/sag/pam_pwhistory.xml new file mode 100644 index 0000000..0677eae --- /dev/null +++ b/doc/sag/pam_pwhistory.xml @@ -0,0 +1,38 @@ + + +
+ pam_pwhistory - grant access using .pwhistory file + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_rhosts.xml b/doc/sag/pam_rhosts.xml new file mode 100644 index 0000000..680a70c --- /dev/null +++ b/doc/sag/pam_rhosts.xml @@ -0,0 +1,34 @@ + + +
+ pam_rhosts - grant access using .rhosts file + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_rootok.xml b/doc/sag/pam_rootok.xml new file mode 100644 index 0000000..59c99ae --- /dev/null +++ b/doc/sag/pam_rootok.xml @@ -0,0 +1,34 @@ + + +
+ pam_rootok - gain only root access + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_securetty.xml b/doc/sag/pam_securetty.xml new file mode 100644 index 0000000..6ed13e5 --- /dev/null +++ b/doc/sag/pam_securetty.xml @@ -0,0 +1,34 @@ + + +
+ pam_securetty - limit root login to special devices + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_selinux.xml b/doc/sag/pam_selinux.xml new file mode 100644 index 0000000..9a4f987 --- /dev/null +++ b/doc/sag/pam_selinux.xml @@ -0,0 +1,34 @@ + + +
+ pam_selinux - set the default security context + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_sepermit.xml b/doc/sag/pam_sepermit.xml new file mode 100644 index 0000000..9831a13 --- /dev/null +++ b/doc/sag/pam_sepermit.xml @@ -0,0 +1,38 @@ + + +
+ pam_sepermit - allow/reject access based on SELinux mode + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_setquota.xml b/doc/sag/pam_setquota.xml new file mode 100644 index 0000000..368dfd8 --- /dev/null +++ b/doc/sag/pam_setquota.xml @@ -0,0 +1,34 @@ + + +
+ pam_setquota - set or modify disk quotas on session start + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_shells.xml b/doc/sag/pam_shells.xml new file mode 100644 index 0000000..b3b3d32 --- /dev/null +++ b/doc/sag/pam_shells.xml @@ -0,0 +1,34 @@ + + +
+ pam_shells - check for valid login shell + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_succeed_if.xml b/doc/sag/pam_succeed_if.xml new file mode 100644 index 0000000..ce0792d --- /dev/null +++ b/doc/sag/pam_succeed_if.xml @@ -0,0 +1,34 @@ + + +
+ pam_succeed_if - test account characteristics + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_time.xml b/doc/sag/pam_time.xml new file mode 100644 index 0000000..74e9e02 --- /dev/null +++ b/doc/sag/pam_time.xml @@ -0,0 +1,42 @@ + + +
+ pam_time - time controlled access + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_timestamp.xml b/doc/sag/pam_timestamp.xml new file mode 100644 index 0000000..833a6ba --- /dev/null +++ b/doc/sag/pam_timestamp.xml @@ -0,0 +1,42 @@ + + +
+ pam_timestamp - authenticate using cached successful authentication attempts + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_tty_audit.xml b/doc/sag/pam_tty_audit.xml new file mode 100644 index 0000000..86d1cd0 --- /dev/null +++ b/doc/sag/pam_tty_audit.xml @@ -0,0 +1,38 @@ + + +
+ pam_tty_audit - enable/disable tty auditing + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_umask.xml b/doc/sag/pam_umask.xml new file mode 100644 index 0000000..b053508 --- /dev/null +++ b/doc/sag/pam_umask.xml @@ -0,0 +1,34 @@ + + +
+ pam_umask - set the file mode creation mask + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_unix.xml b/doc/sag/pam_unix.xml new file mode 100644 index 0000000..24bbaec --- /dev/null +++ b/doc/sag/pam_unix.xml @@ -0,0 +1,34 @@ + + +
+ pam_unix - traditional password authentication + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_userdb.xml b/doc/sag/pam_userdb.xml new file mode 100644 index 0000000..47c2c72 --- /dev/null +++ b/doc/sag/pam_userdb.xml @@ -0,0 +1,34 @@ + + +
+ pam_userdb - authenticate against a db database + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_warn.xml b/doc/sag/pam_warn.xml new file mode 100644 index 0000000..e2e7adb --- /dev/null +++ b/doc/sag/pam_warn.xml @@ -0,0 +1,34 @@ + + +
+ pam_warn - logs all PAM items + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_wheel.xml b/doc/sag/pam_wheel.xml new file mode 100644 index 0000000..5ea011e --- /dev/null +++ b/doc/sag/pam_wheel.xml @@ -0,0 +1,34 @@ + + +
+ pam_wheel - only permit root access to members of group wheel + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
diff --git a/doc/sag/pam_xauth.xml b/doc/sag/pam_xauth.xml new file mode 100644 index 0000000..9aca9ff --- /dev/null +++ b/doc/sag/pam_xauth.xml @@ -0,0 +1,34 @@ + + +
+ pam_xauth - forward xauth keys between users + + + +
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
+ +
+
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mostlyclean-compile \ + mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ + tags tags-am uninstall uninstall-am uninstall-docDATA + +.PRECIOUS: Makefile + + +draft-morgan-pam-current.txt: padout draft-morgan-pam.raw + ./padout < $(srcdir)/draft-morgan-pam.raw > draft-morgan-pam-current.txt + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/doc/specs/draft-morgan-pam.raw b/doc/specs/draft-morgan-pam.raw new file mode 100644 index 0000000..8fdb050 --- /dev/null +++ b/doc/specs/draft-morgan-pam.raw @@ -0,0 +1,764 @@ +Open-PAM working group ## A.G. Morgan +Internet Draft: ## Dec 8, 2001 +Document: draft-morgan-pam-08.txt ## +Expires: June 8, 2002 ## +Obsoletes: draft-morgan-pam-07.txt## + +## Pluggable Authentication Modules (PAM) ## + +#$ Status of this memo + +This document is a draft specification. Its contents are subject to +change with revision. The latest version of this draft may be obtained +from here: + + http://www.kernel.org/pub/linux/libs/pam/pre/doc/ + +As + + Linux-PAM-'version'-docs.tar.gz + +It is also contained in the Linux-PAM tar ball. + +#$ Abstract + +This document is concerned with the definition of a general +infrastructure for module based authentication. The infrastructure is +named Pluggable Authentication Modules (PAM for short). + +#$ Introduction + +Computers are tools. They provide services to people and other +computers (collectively we shall call these _users_ entities). In +order to provide convenient, reliable and individual service to +different entities, it is common for entities to be labelled. Having +defined a label as referring to a some specific entity, the label is +used for the purpose of protecting and allocating data resources. + +All modern operating systems have a notion of labelled entities and +all modern operating systems face a common problem: how to +authenticate the association of a predefined label with applicant +entities. + +There are as many authentication methods as one might care to count. +None of them are perfect and none of them are invulnerable. In +general, any given authentication method becomes weaker over time. It +is common then for new authentication methods to be developed in +response to newly discovered weaknesses in the old authentication +methods. + +The problem with inventing new authentication methods is the fact that +old applications do not support them. This contributes to an inertia +that discourages the overhaul of weakly protected systems. Another +problem is that individuals (people) are frequently powerless to layer +the protective authentication around their systems. They are forced +to rely on single (lowest common denominator) authentication schemes +even in situations where this is far from appropriate. + +PAM, as discussed in this document, is a generalization of the +approach first introduced in [#$R#{OSF_RFC_PAM}]. In short, it is a +general framework of interfaces that abstract the process of +authentication. With PAM, a service provider can custom protect +individual services to the level that they deem is appropriate. + +PAM has nothing explicit to say about transport layer encryption. +Within the context of this document encryption and/or compression of +data exchanges are application specific (strictly between client and +server) and orthogonal to the process of authentication. + +#$ Definitions + +Here we pose the authentication problem as one of configuring defined +interfaces between two entities. + +#$$#{players} Players in the authentication process + +PAM reserves the following words to specify unique entities in the +authentication process: + + applicant + the entity (user) initiating an application for service + [PAM associates the PAM_RUSER _item_ with this requesting user]. + + arbitrator + the entity (user) under whose identity the service application + is negotiated and with whose authority service is granted. + + user + the entity (user) whose identity is being authenticated + [PAM associates the PAM_USER _item_ with this identity]. + + server + the application that provides service, or acts as an + authenticated gateway to the requested service. This + application is completely responsible for the server end of + the transport layer connecting the server to the client. + PAM makes no assumptions about how data is encapsulated for + exchanges between the server and the client, only that full + octet sequences can be freely exchanged without corruption. + + client + application providing the direct/primary interface to + applicant. This application is completely responsible + for the client end of the transport layer connecting the + server to the client. PAM makes no assumptions about how data + is encapsulated for exchanges between the server and the + client, only that full octet sequences can be freely + exchanged without corruption. + + module + authentication binary that provides server-side support for + some (arbitrary) authentication method. + + agent + authentication binary that provides client-side support for + some (arbitrary) authentication method. + +Here is a diagram to help orient the reader: + +## +-------+ +--------+ ## +## . . . . .| agent | .| module | ## +## . +-------+ .+--------+ ## +## V | . | ## +## . | V | ## +## +---------+ +-------+ . +------+ ## +## | | |libpamc| . |libpam| ## +## | | +-------+ . +------+ ## +## |applicant| | . | ## +## | | +--------+ +----------+ ## +## | |---| client |-----------| server | ## +## +---------+ +--------+ +----------+ ## + +Solid lines connecting the boxes represent two-way interaction. The +dotted-directed lines indicate an optional connection between the +plugin module (agent) and the server (applicant). In the case of the +module, this represents the module invoking the 'conversation' +callback function provided to libpam by the server application when it +initializes the libpam library. In the case of the agent, this may +be some out-of-PAM API interaction (for example directly displaying a +dialog box under X). + +#$$ Defined Data Types + +In this draft, we define two composite data types, the text string and +the binary prompt. They are the data types used to communicate +authentication requests and responses. + +#$$$#{text_string} text string + +The text string is a simple sequence of non-NUL (NUL = 0x00) +octets. Terminated with a single NUL (0x00) octet. The character set +employed in the octet sequence may be negotiated out of band, but +defaults to utf-8. + +## --------------------------- ## +## [ character data | NUL ] ## +## [ octet sequence | 0x00 ] ## +## --------------------------- ## + +Within the rest of this text, PAM text strings are delimited with a +pair of double quotes. Example, "this" = {'t';'h';'i';'s';0x00}. + +#$$$#{binary_prompt} binary prompt + +A binary prompt consists of a stream of octets arranged as follows: + +## ---------------------------------------- ## +## [ u32 | u8 | (length-5 octets) ] ## +## [ length | control | data ] ## +## ---------------------------------------- ## + +That is, a 32-bit unsigned integer in network byte order, a single +unsigned byte of control information and a sequence of octets of +length (length-5). The composition of the _data_ is context dependent +but is generally not a concern for either the server or the client. It +is very much the concern of modules and agents. + +For purposes of interoperability, we define the following control +characters as legal. + +## value symbol description ## +## ------------------------------------------------- ## +## 0x01 PAM_BPC_OK - continuation packet ## +## 0x02 PAM_BPC_SELECT - initialization packet ## +## 0x03 PAM_BPC_DONE - termination packet ## +## 0x04 PAM_BPC_FAIL - unable to execute ## + +The following control characters are only legal for exchanges between +an agent and a client (it is the responsibility of the client to +enforce this rule in the face of a rogue server): + +## 0x41 PAM_BPC_GETENV - obtain client env.var ## +## 0x42 PAM_BPC_PUTENV - set client env.var ## +## 0x43 PAM_BPC_TEXT - display message ## +## 0x44 PAM_BPC_ERROR - display error message ## +## 0x45 PAM_BPC_PROMPT - echo'd text prompt ## +## 0x46 PAM_BPC_PASS - non-echo'd text prompt ## +## 0x46 PAM_BPC_STATUS - ping all active clients## +## 0x47 PAM_BPC_ABORT - please abort session ## + +Note, length is always equal to the total length of the binary +prompt and represented by a network ordered unsigned 32 bit integer. + +#$$$$#{agent_ids} PAM_BPC_SELECT binary prompts + +Binary prompts of control type PAM_BPC_SELECT have a defined +data part. It is composed of three elements: + + {agent_id;'/';data} + +The agent_id is a sequence of characters satisfying the following +regexp: + + /^[a-z0-9\_]+(@[a-z0-9\_.]+)?$/ + +and has a specific form for each independent agent. + +o Agent_ids that do not contain an at-sign (@) are to be considered as + representing some authentication mode that is a "public + standard" see reference [#$R#{PAM_STD_AGENTIDS}]. Registered names + MUST NOT contain an at-sign (@). + +o Anyone can define additional agents by using names in the format + name@domainname, e.g. "ouragent@example.com". The part following + the at-sign MUST be a valid fully qualified internet domain name + [RFC-1034] controlled by the person or organization defining the + name. (Said another way, if you control the email address that + your agent has as an identifier, they you are entitled to use + this identifier.) It is up to each domain how it manages its local + namespace. + +The '/' character is a mandatory delimiter, indicating the end of the +agent_id. The trailing data is of a format specific to the agent with +the given agent_id. + + +#$$ Special cases + +In a previous section (#{players}) we identified the most general +selection of authentication participants. In the case of network +authentication, it is straightforward to ascribe identities to the +defined participants. However, there are also special (less general) +cases that we recognize here. + +The primary authentication step, when a user is directly introduced +into a computer system (log's on to a workstation) is a special case. +In this situation, the client and the server are generally one +application. Before authenticating such a user, the applicant is +formally unknown: PAM_RUSER is NULL. + +Some client-server implementations (telnet for example) provide +effective full tty connections. In these cases, the four simple text +string prompting cases (see below) can be handled as in the primary +login step. In other words, the server absorbs most of the overhead of +propagating authentication messages. In these cases, there needs to be +special client/server support for handling binary prompts. + +In some circumstances, a legacy network transfer protocol can carry +authentication information. In such cases, a desire to support legacy +clients (with no client-side support for PAM) will neccessitate the +'hardcoding' of an agent protocol into the server application. Whilst +against the spirit of PAM, this special casing can be managed by the +server's 'conversation function' (see below). The guiding principle +when implementing such support is for the application developer to +relegate the authentication process to the PAM module -- simply +performing a transcription of data from binary-prompt to legacy +network 'packet' and visa-versa for propagating replies back to the +driving PAM module. A common case of this is with network protocols +that define an initialization packet of "user+password". In such cases +one should attempt to support the "userpass" agent-id and its defined +protocol. + +#$ Defined interfaces for information flow + +Here, we discuss the information exchange interfaces between the +players in the authentication process. It should be understood that +the server side is responsible for driving the authentication of the +applicant. Notably, every request received by the client from the +server must be matched with a single response from the client to the +server. + +#$$#{applicant_client} Applicant <-> client + +Once the client is invoked, requests to the applicant entity are +initiated by the client application. General clients are able to make +the following requests directly to an applicant: + + echo text string + echo error text string + prompt with text string for echo'd text string input + prompt with text string for concealed text string input + +the nature of the interface provided by the client for the benefit of +the applicant entity is client specific and not defined by PAM. + +#$$#{client_agent} Client <-> agent + +In general, authentication schemes require more modes of exchange than +the four defined in the previous section (#{applicant_client}). This +provides a role for client-loadable agents. The client and agent +exchange binary-messages that can have one of the following forms: + + client -> agent + binary prompt agent expecting binary prompt reply to client + + agent -> client + binary prompt reply from agent to clients binary prompt + +Following the acceptance of a binary prompt by the agent, the agent +may attempt to exchange information with the client before returning +its binary prompt reply. Permitted exchanges are binary prompts of the +following types: + + agent -> client + set environment variable (A) + get environment variable (B) + echo text string (C) + echo error text string (D) + prompt for echo'd text string input (E) + prompt for concealed text string input (F) + +In response to these prompts, the client must legitimately respond +with a corresponding binary prompt reply. We list a complete set of +example exchanges, including each type of legitimate response (passes +and a single fail): + +## Type | Agent request | Client response ## +## --------------------------------------------------------------- ## +## (A) | {13;PAM_BPC_PUTENV;"FOO=BAR"} | {5;PAM_BPC_OK;} ## +## | {10;PAM_BPC_PUTENV;"FOO="} | {5;PAM_BPC_OK;} ## +## | {9;PAM_BPC_PUTENV;"FOO"} (*) | {5;PAM_BPC_OK;} ## +## | {9;PAM_BPC_PUTENV;"BAR"} (*) | {5;PAM_BPC_FAIL;} ## +## --------------------------------------------------------------- ## +## (B) | {10;PAM_BPC_GETENV;"TERM"} | {11;PAM_BPC_OK;"vt100"} ## +## | {9;PAM_BPC_GETENV;"FOO"} | {5;PAM_BPC_FAIL;} ## +## --------------------------------------------------------------- ## +## (C) | {12;PAM_BPC_TEXT;"hello!"} | {5;PAM_BPC_OK;} ## +## | {12;PAM_BPC_TEXT;"hello!"} | {5;PAM_BPC_FAIL;} ## +## --------------------------------------------------------------- ## +## (D) | {11;PAM_BPC_ERROR;"ouch!"} | {5;PAM_BPC_OK;} ## +## | {11;PAM_BPC_ERROR;"ouch!"} | {5;PAM_BPC_FAIL;} ## +## --------------------------------------------------------------- ## +## (E) | {13;PAM_BPC_PROMPT;"login: "} | {9;PAM_BPC_OK;"joe"} ## +## | {13;PAM_BPC_PROMPT;"login: "} | {6;PAM_BPC_OK;""} ## +## | {13;PAM_BPC_PROMPT;"login: "} | {5;PAM_BPC_FAIL;} ## +## --------------------------------------------------------------- ## +## (F) | {16;PAM_BPC_PASS;"password: "} | {9;PAM_BPC_OK;"XYZ"} ## +## | {16;PAM_BPC_PASS;"password: "} | {6;PAM_BPC_OK;""} ## +## | {16;PAM_BPC_PASS;"password: "} | {5;PAM_BPC_FAIL;} ## + +(*) Used to attempt the removal of a pre-existing environment +variable. + +#$$ Client <-> server + +Once the client has established a connection with the server (the +nature of the transport protocol is not specified by PAM), the server +is responsible for driving the authentication process. + +General servers can request the following from the client: + + (to be forwarded by the client to the applicant) + echo text string + echo error text string + prompt for echo'd text string response + prompt for concealed text string response + + (to be forwarded by the client to the appropriate agent) + binary prompt for a binary prompt response + +Client side agents are required to process binary prompts. The +agents' binary prompt responses are returned to the server. + +#$$ Server <-> module + +Modules drive the authentication process. The server provides a +conversation function with which it encapsulates module-generated +requests and exchanges them with the client. Every message sent by a +module should be acknowledged. + +General conversation functions can support the following five +conversation requests: + + echo text string + echo error string + prompt for echo'd text string response + prompt for concealed text string response + binary prompt for binary prompt response + +The server is responsible for redirecting these requests to the +client. + +#$ C API for application interfaces (client and server) + +#$$ Applicant <-> client + +No API is defined for this interface. The interface is considered to +be specific to the client application. Example applications include +terminal login, (X)windows login, machine file transfer applications. + +All that is important is that the client application is able to +present the applicant with textual output and to receive textual +input from the applicant. The forms of textual exchange are listed +in an earlier section (#{applicant_client}). Other methods of +data input/output are better suited to being handled via an +authentication agent. + +#$$ Client <-> agent + +The client makes use of a general API for communicating with +agents. The client is not required to communicate directly with +available agents, instead a layer of abstraction (in the form of a +library: libpamc) takes care of loading and maintaining communication +with all requested agents. This layer of abstraction will choose which +agents to interact with based on the content of binary prompts it +receives that have the control type PAM_BPC_SELECT. + +#$$$ Client <-> libpamc + +#$$$$ Compilation information + +The C-header file provided for client-agent abstraction is included +with the following source line: + + \#include + +The library providing the corresponding client-agent abstraction +functions is, libpamc. + + cc .... -lpamc + +#$$$$ Initializing libpamc + +The libpamc library is initialized with a call to the following +function: + + pamc_handle_t pamc_start(void); + +This function is responsible for configuring the library and +registering the location of available agents. The location of the +available agents on the system is implementation specific. + +pamc_start() function returns NULL on failure. Otherwise, the return +value is a pointer to an opaque data type which provides a handle to +the libpamc library. On systems where threading is available, the +libpamc libraray is thread safe provided a single (pamc_handler_t *) +is used by each thread. + +#$$$$ Client (Applicant) selection of agents + +For the purpose of applicant and client review of available agents, +the following function is provided. + + char **pamc_list_agents(pamc_handle_t pch); + +This returns a list of pointers to the agent_id's of the agents which +are available on the system. The list is terminated by a NULL pointer. +It is the clients responsibility to free this memory area by calling +free() on each agent id and the block of agent_id pointers in the +result. + +PAM represents a server-driven authentication model, so by default +any available agent may be invoked in the authentication process. + +#$$$$$ Client demands agent + +If the client requires that a specific authentication agent is +satisfied during the authentication process, then the client should +call the following function, immediately after obtaining a +pamc_handle_t from pamc_start(). + + int pamc_load(pamc_handle_t pch, const char *agent_id); + +agent_id is a PAM text string (see section #{agent_ids}) and is not +suffixed with a '/' delimiter. The return value for this function is: + + PAM_BPC_TRUE - agent located and loaded. + PAM_BPC_FALSE - agent is not available. + +Note, although the agent is loaded, no data is fed to it. The agent's +opportunity to inform the client that it does not trust the server is +when the agent is shutdown. + +#$$$$$ Client marks agent as unusable + +The applicant might prefer that a named agent is marked as not +available. To do this, the client would invoke the following function +immediately after obtaining a pamc_handle_t from pam_start(). + + int pamc_disable(pamc_handle_t pch, const char *agent_id); + +here agent_id is a PAM text string containing an agent_id (section +#{agent_ids}). + +The return value for this function is: + + PAM_BPC_TRUE - agent is disabled. This is the response + independent of whether the agent is locally + available. + + PAM_BPC_FALSE - agent cannot be disabled (this may be because + it has already been invoked). + +#$$$$ Allocating and manipulating binary prompts + +All conversation between an client and an agent takes place with +respect to binary prompts. A binary prompt (see section #{binary_prompt}), is +obtained, resized and deleted via the following C-macro: + + CREATION of a binary prompt with control X1 and data length Y1: + + pamc_bp_t prompt = NULL; + PAM_BP_RENEW(&prompt, X1, Y1); + + REPLACEMENT of a binary prompt with a control X2 and data length Y2: + + PAM_BP_RENEW(&prompt, X2, Y2); + + DELETION of a binary prompt (the referenced prompt is scrubbed): + + PAM_BP_RENEW(&prompt, 0, 0); + +Note, the PAM_BP_RENEW macro always overwrites any prompt that you +call it with, deleting and liberating the old contents in a secure +fashion. Also note that PAM_BP_RENEW, when returning a prompt of data +size Y1>0, will always append a '\0' byte to the end of the prompt (at +data offset Y1). It is thus, by definition, acceptable to treat the +data contents of a binary packet as a text string (see #{text_string}). + + FILLING a binary prompt from a memory pointer U1 from offset O1 of + length L1: + + PAM_BP_FILL(prompt, O1, L1, U1); + + the CONTROL type for the packet can be obtained as follows: + + control = PAM_PB_CONTROL(prompt); + + the LENGTH of a data within the prompt (_excluding_ its header + information) can be obtained as follows: + + length = PAM_BP_LENGTH(prompt); + + the total SIZE of the prompt (_including_ its header information) + can be obtained as follows: + + size = PAM_BP_SIZE(prompt); + + EXTRACTING data from a binary prompt from offset O2 of length L2 to + a memory pointer U2: + + PAM_BP_EXTRACT(prompt, O2, L2, U2); + + If you require direct access to the raw prompt DATA, you should use + the following macro: + + __u8 *raw_data = PAM_BP_DATA(prompt); + +#$$$$ Client<->agent conversations + +All exchanges of binary prompts with agents are handled with the +single function: + + int pamc_converse(pamc_handle_t *pch, pamc_bp_t *prompt_p); + +The return value for pamc_converse(...) is PAM_BPC_TRUE when there is +a response packet and PAM_BPC_FALSE when the client is unable to +handle the request represented by the original prompt. In this latter +case, *prompt_p is set to NULL. + +This function takes a binary prompt and returns a replacement binary +prompt that is either a request from an agent to be acted upon by the +client or the 'result' which should be forwarded to the server. In the +former case, the following macro will return 1 (PAM_BPC_TRUE) and in +all other cases, 0 (PAM_BPC_FALSE): + + PAM_BPC_FOR_CLIENT(/* pamc_bp_t */ prompt) + +Note, all non-NULL binary prompts returned by pamc_converse(...), are +terminated with a '\0', even when the full length of the prompt (as +returned by the agent) does not contain this delimiter. This is a +defined property of the PAM_BP_RENEW macro, and can be relied upon. + +Important security note: in certain implementations, agents are +implemented by executable binaries, which are transparently loaded and +managed by the PAM client library. To ensure there is never a leakage +of elevated privilege to an unprivileged agent, the client application +should go to some effort to lower its level of privilege. It remains +the responsibility of the applicant and the client to ensure that it +is not compromised by a rogue agent. + +#$$$$ Status of agents + + int pamc_status(pamc_handle_t *pch, pamc_bp_t *prompt_p); + +At any time, the client may ping all active agents for their status +(with a PAM_BPC_STATUS binary prompt). If any agent replies with +PAM_BPC_ABORT, the client is responsible for terminating the +connection to the server and then terminating all agents with a call +to pamc_end(). In such cases, the return value of pamc_status() is +PAM_BPC_FALSE. + +If the return status of pamc_status() is PAM_BPC_TRUE and *prompt_p is +non-NULL, then an agent is requesting access to a server module. + +XXX - how this information gets propagated to the server, and + ultimately to the server's module is yet to be determined. + +#$$$$ Termination of agents + +When closing the authentication session and severing the connection +between a client and a selection of agents, the following function is +used: + + int pamc_end(pamc_handle_t *pch); + +Following a call to pamc_end, the pamc_handle_t will be invalid. + +The return value for this function is one of the following: + + PAM_BPC_TRUE - all invoked agents are content with + authentication (the server is _not_ judged + _un_trustworthy by any agent) + + PAM_BPC_FALSE - one or more agents were unsatisfied at + being terminated. In general, the client + should terminate its connection to the + server and indicate to the applicant that + the server is untrusted. + +#$$$ libpamc <-> agents + +The agents are manipulated from within libpamc. Each agent is an +executable in its own right. This permits the agent to have access to +sensitive data not accessible directly from the client. The mode of +communication between libpamc and an agent is through a pair of +pipes. The agent reads binary prompts (section #{binary_prompt}) +through its standard input file descriptor and writes response (to the +server) binary prompts and instruction binary prompts (instructions +for the client) through its standard output file descriptor. + +#$$ Client <-> server + +This interface is concerned with the exchange of text and binary +prompts between the client application and the server application. No +API is provided for this as it is considered specific to the transport +protocol shared by the client and the server. + +#$$ Server <-> modules + +The server makes use of a general API for communicating with +modules. The client is not required to communicate directly with +available modules. By abstracting the authentication interface, it +becomes possible for the local administrator to make a run time +decision about the authentication method adopted by the server. + +#$$$ Functions and definitions available to servers and modules + +[This section will document the following functions + + pam_set_item() + pam_get_item() + pam_fail_delay(pam_handle_t *pamh, unsigned int micro_sec) + pam_get_env(pam_handle_t *pamh, const char *varname) + pam_strerror(pam_handle_t *pamh, int pam_errno) + +Event driven support (XXX work in progress) + + pam_register_event() - app or module associates an event poller/handler + pam_select_event() - query for any outstanding event and act on any +] + +#$$$ Server <-> libpam + +[This section will document the following pam_ calls: + + pam_start + pam_end + pam_authenticate (*) + pam_setcred + pam_acct_mgmt + pam_open_session + pam_close_session + pam_chauthtok (*) + +The asterisked functions may return PAM_INCOMPLETE. In such cases, the +application should be aware that the conversation function was called +and that it returned PAM_CONV_AGAIN to a module. The correct action +for the application to take in response to receiving PAM_INCOMPLETE, +is to acquire the replies so that the next time the conversation +function is called it will be able to provide the desired +responses. And then recall pam_authenticate (pam_chauthtok) with the +same arguments. Libpam will arrange that the module stack is resumed +from the module that returned before. This functionality is required +for programs whose user interface is maintained by an event loop. ] + +#$$$ libpam <-> modules + +[This section will document the following pam_ and pam_sm_ calls: + +functions provided by libpam + + pam_set_data + pam_get_data + +functions provided to libpam by each module + + groups: + AUTHENTICATION + pam_sm_authenticate + pam_sm_setcred + ACCOUNT + pam_sm_acct_mgmt + SESSION + pam_sm_open_session + pam_sm_close_session + AUTHENTICATION TOKEN MANAGEMENT + pam_sm_chauthtok +] + +#$$$ The conversation function + +The server application, as part of its initialization of libpam, +provides a conversation function for use by modules and libpam. The +purpose of the conversation function is to enable direct communication +to the applicant ultimately via the client and selected agents. + +[ this section will contain a definition for the conversation + function, the conversation structure (appdata etc), and legitimate + return codes for the application supplied function. + + PAM_SUCCESS - ok conversation completed + PAM_CONV_ERR - conversation failed + PAM_CONV_AGAIN - application needs control to complete conv + PAM_CONV_RECONSIDER - application believes module should check if + it still needs to converse for this info + ] + +#$ Security considerations + +This document is devoted to standardizing authentication +infrastructure: everything in this document has implications for +security. + +#$ Contact + +The email list for discussing issues related to this document is +. + +#$ References + +[#{OSF_RFC_PAM}] OSF RFC 86.0, "Unified Login with Pluggable Authentication + Modules (PAM)", October 1995 + +[#{PAM_STD_AGENTIDS}] Definitions for standard agents, "REGISTERED + AGENTS AND THEIR AGENT-ID'S", to be found here: + +## http://www.kernel.org/pub/linux/libs/pam/pre/doc/std-agent-ids.txt ## + +#$ Author's Address + +Andrew G. Morgan +Email: morgan@kernel.org + +## $Id$ ## diff --git a/doc/specs/parse_l.c b/doc/specs/parse_l.c new file mode 100644 index 0000000..3018e59 --- /dev/null +++ b/doc/specs/parse_l.c @@ -0,0 +1,1786 @@ + +#line 3 "parse_l.c" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 6 +#define YY_FLEX_SUBMINOR_VERSION 4 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +/* Feature test macros. Flex uses functions that require a minimum set of + * macros defined. As defining some macros may hide function declarations that + * user code might use, be conservative and respect user's definitions as much + * as possible. In glibc, feature test macros may not be all set up until one + * of the libc header (that includes ) is included. This creates + * a circular dependency when we check the macros. is the safest + * header we can include and does not declare too many functions we don't need. + */ +#if !defined(__GNU_LIBRARY__) && defined(__STDC__) +#include +#endif +#if !(defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ + defined(_POSIX_SOURCE)) +# define _POSIX_C_SOURCE 1 /* Required for fileno() */ +# define _POSIX_SOURCE 1 +#endif +#include +#include +#include +#include + +/* end standard C headers. */ + +/* begin standard C++ headers. */ + +/* flex integer type definitions */ + +#ifndef YYFLEX_INTTYPES_DEFINED +#define YYFLEX_INTTYPES_DEFINED + +/* Prefer C99 integer types if available. */ +# if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L +/* Include and not because Solaris 2.6 has the former + * and not the latter. + */ +#include +# define YYFLEX_USE_STDINT +# else +# if defined(_MSC_VER) && _MSC_VER >= 1600 +/* Visual C++ 2010 does not define __STDC_VERSION__ and has but not + * . + */ +#include +# define YYFLEX_USE_STDINT +# endif +# endif +# ifdef YYFLEX_USE_STDINT +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +# else +typedef unsigned char flex_uint8_t; +typedef short int flex_int16_t; +typedef unsigned short int flex_uint16_t; +# ifdef __STDC__ +typedef signed char flex_int8_t; +/* ISO C only requires at least 16 bits for int. */ +#include +# if UINT_MAX >= 4294967295 +# define YYFLEX_INT32_DEFINED +typedef int flex_int32_t; +typedef unsigned int flex_uint32_t; +# endif +# else +typedef char flex_int8_t; +# endif +# ifndef YYFLEX_INT32_DEFINED +typedef long int flex_int32_t; +typedef unsigned long int flex_uint32_t; +# endif +# endif +#endif /* YYFLEX_INTTYPES_DEFINED */ + +/* TODO: this is always defined, so inline it */ +#define yyconst const + +#if defined(__GNUC__) && __GNUC__ >= 3 +#define yynoreturn __attribute__((__noreturn__)) +#define YY_ATTRIBUTE_UNUSED __attribute__ ((__unused__)) +#else +#define yynoreturn +#define YY_ATTRIBUTE_UNUSED /* __attribute__ ((__unused__)) */ +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an + * integer in range [0..255] for use as an array index. + */ +#define YY_SC_TO_UI(c) ((YY_CHAR) (c)) + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN (yy_start) = 1 + 2 * +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START (((yy_start) - 1) / 2) +#define YYSTATE YY_START +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE yyrestart( yyin ) +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#ifdef __ia64__ +/* On IA-64, the buffer size is 16k, not 8k. + * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case. + * Ditto for the __ia64__ case accordingly. + */ +#define YY_BUF_SIZE 32768 +#else +#define YY_BUF_SIZE 16384 +#endif /* __ia64__ */ +#endif + +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +extern int yyleng; + +extern FILE *yyin, *yyout; + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + #define YY_LESS_LINENO(n) + #define YY_LINENO_REWIND_TO(ptr) + +/* Return all but the first "n" matched characters back to the input stream. */ +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = (yy_hold_char); \ + YY_RESTORE_YY_MORE_OFFSET \ + (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up yytext again */ \ + } \ + while ( 0 ) +#define unput(c) yyunput( c, (yytext_ptr) ) + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + int yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + int yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via yyrestart()), so that the user can continue scanning by + * just pointing yyin at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +/* Stack of input buffers. */ +static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ +static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ +static YY_BUFFER_STATE * yy_buffer_stack = NULL; /**< Stack as an array. */ + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + * + * Returns the top of the stack, or NULL. + */ +#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ + ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ + : NULL) +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] + +/* yy_hold_char holds the character lost when yytext is formed. */ +static char yy_hold_char; +static int yy_n_chars; /* number of characters read into yy_ch_buf */ +int yyleng; + +/* Points to current character in buffer. */ +static char *yy_c_buf_p = NULL; +static int yy_init = 0; /* whether we need to initialize */ +static int yy_start = 0; /* start state number */ + +/* Flag which is used to allow yywrap()'s to do buffer switches + * instead of setting up a fresh yyin. A bit of a hack ... + */ +static int yy_did_buffer_switch_on_eof; + +void yyrestart ( FILE *input_file ); +void yy_switch_to_buffer ( YY_BUFFER_STATE new_buffer ); +YY_BUFFER_STATE yy_create_buffer ( FILE *file, int size ); +void yy_delete_buffer ( YY_BUFFER_STATE b ); +void yy_flush_buffer ( YY_BUFFER_STATE b ); +void yypush_buffer_state ( YY_BUFFER_STATE new_buffer ); +void yypop_buffer_state ( void ); + +static void yyensure_buffer_stack ( void ); +static void yy_load_buffer_state ( void ); +static void yy_init_buffer ( YY_BUFFER_STATE b, FILE *file ); +#define YY_FLUSH_BUFFER yy_flush_buffer( YY_CURRENT_BUFFER ) + +YY_BUFFER_STATE yy_scan_buffer ( char *base, yy_size_t size ); +YY_BUFFER_STATE yy_scan_string ( const char *yy_str ); +YY_BUFFER_STATE yy_scan_bytes ( const char *bytes, int len ); + +void *yyalloc ( yy_size_t ); +void *yyrealloc ( void *, yy_size_t ); +void yyfree ( void * ); + +#define yy_new_buffer yy_create_buffer +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer( yyin, YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + yyensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + yy_create_buffer( yyin, YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* Begin user sect3 */ + +#define yywrap() (/*CONSTCOND*/1) +#define YY_SKIP_YYWRAP +typedef flex_uint8_t YY_CHAR; + +FILE *yyin = NULL, *yyout = NULL; + +typedef int yy_state_type; + +extern int yylineno; +int yylineno = 1; + +extern char *yytext; +#ifdef yytext_ptr +#undef yytext_ptr +#endif +#define yytext_ptr yytext + +static yy_state_type yy_get_previous_state ( void ); +static yy_state_type yy_try_NUL_trans ( yy_state_type current_state ); +static int yy_get_next_buffer ( void ); +static void yynoreturn yy_fatal_error ( const char* msg ); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up yytext. + */ +#define YY_DO_BEFORE_ACTION \ + (yytext_ptr) = yy_bp; \ + yyleng = (int) (yy_cp - yy_bp); \ + (yy_hold_char) = *yy_cp; \ + *yy_cp = '\0'; \ + (yy_c_buf_p) = yy_cp; +#define YY_NUM_RULES 8 +#define YY_END_OF_BUFFER 9 +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static const flex_int16_t yy_accept[19] = + { 0, + 0, 0, 9, 6, 7, 3, 6, 4, 1, 0, + 5, 0, 1, 0, 1, 0, 2, 0 + } ; + +static const YY_CHAR yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 3, 4, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, + 6, 1, 1, 1, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 1, 8, 1, 1, 9, 1, 7, 7, 7, 7, + + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 10, 1, 11, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1 + } ; + +static const YY_CHAR yy_meta[12] = + { 0, + 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, + 2 + } ; + +static const flex_int16_t yy_base[21] = + { 0, + 0, 7, 21, 30, 30, 13, 17, 30, 20, 12, + 30, 13, 10, 2, 7, 0, 30, 30, 27, 2 + } ; + +static const flex_int16_t yy_def[21] = + { 0, + 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, + 18, 18, 9, 20, 18, 20, 18, 0, 18, 18 + } ; + +static const flex_int16_t yy_nxt[42] = + { 0, + 18, 5, 6, 16, 18, 18, 18, 7, 5, 6, + 17, 15, 17, 18, 7, 8, 9, 15, 14, 11, + 18, 18, 10, 9, 18, 12, 13, 4, 4, 3, + 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, + 18 + } ; + +static const flex_int16_t yy_chk[42] = + { 0, + 0, 1, 1, 20, 0, 0, 0, 1, 2, 2, + 16, 15, 14, 13, 2, 6, 6, 12, 10, 7, + 3, 0, 6, 9, 0, 9, 9, 19, 19, 18, + 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, + 18 + } ; + +static yy_state_type yy_last_accepting_state; +static char *yy_last_accepting_cpos; + +extern int yy_flex_debug; +int yy_flex_debug = 0; + +/* The intent behind this definition is that it'll catch + * any uses of REJECT which flex missed. + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +char *yytext; +#line 1 "parse_l.l" +#line 2 "parse_l.l" +#ifdef HAVE_CONFIG_H +# include +#endif + +#include + +#include "parse_y.h" +#line 465 "parse_l.c" +#line 466 "parse_l.c" + +#define INITIAL 0 + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +#include +#endif + +#ifndef YY_EXTRA_TYPE +#define YY_EXTRA_TYPE void * +#endif + +static int yy_init_globals ( void ); + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int yylex_destroy ( void ); + +int yyget_debug ( void ); + +void yyset_debug ( int debug_flag ); + +YY_EXTRA_TYPE yyget_extra ( void ); + +void yyset_extra ( YY_EXTRA_TYPE user_defined ); + +FILE *yyget_in ( void ); + +void yyset_in ( FILE * _in_str ); + +FILE *yyget_out ( void ); + +void yyset_out ( FILE * _out_str ); + + int yyget_leng ( void ); + +char *yyget_text ( void ); + +int yyget_lineno ( void ); + +void yyset_lineno ( int _line_number ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int yywrap ( void ); +#else +extern int yywrap ( void ); +#endif +#endif + +#ifndef YY_NO_UNPUT + + static void yyunput ( int c, char *buf_ptr ); + +#endif + +#ifndef yytext_ptr +static void yy_flex_strncpy ( char *, const char *, int ); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen ( const char * ); +#endif + +#ifndef YY_NO_INPUT +#ifdef __cplusplus +static int yyinput ( void ); +#else +static int input ( void ); +#endif + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#ifdef __ia64__ +/* On IA-64, the buffer size is 16k, not 8k */ +#define YY_READ_BUF_SIZE 16384 +#else +#define YY_READ_BUF_SIZE 8192 +#endif /* __ia64__ */ +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO do { if (fwrite( yytext, (size_t) yyleng, 1, yyout )) {} } while (0) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ + { \ + int c = '*'; \ + int n; \ + for ( n = 0; n < max_size && \ + (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( yyin ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else \ + { \ + errno=0; \ + while ( (result = (int) fread(buf, 1, (yy_size_t) max_size, yyin)) == 0 && ferror(yyin)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(yyin); \ + } \ + }\ +\ + +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) +#endif + +/* end tables serialization structures and prototypes */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int yylex (void); + +#define YY_DECL int yylex (void) +#endif /* !YY_DECL */ + +/* Code executed at the beginning of each rule, after yytext and yyleng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK /*LINTED*/break; +#endif + +#define YY_RULE_SETUP \ + YY_USER_ACTION + +/** The main scanner function which does all the work. + */ +YY_DECL +{ + yy_state_type yy_current_state; + char *yy_cp, *yy_bp; + int yy_act; + + if ( !(yy_init) ) + { + (yy_init) = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! (yy_start) ) + (yy_start) = 1; /* first start state */ + + if ( ! yyin ) + yyin = stdin; + + if ( ! yyout ) + yyout = stdout; + + if ( ! YY_CURRENT_BUFFER ) { + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer( yyin, YY_BUF_SIZE ); + } + + yy_load_buffer_state( ); + } + + { +#line 12 "parse_l.l" + + +#line 686 "parse_l.c" + + while ( /*CONSTCOND*/1 ) /* loops until end-of-file is reached */ + { + yy_cp = (yy_c_buf_p); + + /* Support of yytext. */ + *yy_cp = (yy_hold_char); + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = (yy_start); +yy_match: + do + { + YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 19 ) + yy_c = yy_meta[yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; + ++yy_cp; + } + while ( yy_base[yy_current_state] != 30 ); + +yy_find_action: + yy_act = yy_accept[yy_current_state]; + if ( yy_act == 0 ) + { /* have to back up */ + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + yy_act = yy_accept[yy_current_state]; + } + + YY_DO_BEFORE_ACTION; + +do_action: /* This label is used only to access EOF actions. */ + + switch ( yy_act ) + { /* beginning of action switch */ + case 0: /* must back up */ + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = (yy_hold_char); + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + goto yy_find_action; + +case 1: +YY_RULE_SETUP +#line 14 "parse_l.l" +return NEW_COUNTER; + YY_BREAK +case 2: +YY_RULE_SETUP +#line 15 "parse_l.l" +return LABEL; + YY_BREAK +case 3: +YY_RULE_SETUP +#line 16 "parse_l.l" +return NO_INDENT; + YY_BREAK +case 4: +YY_RULE_SETUP +#line 17 "parse_l.l" +return RIGHT; + YY_BREAK +case 5: +YY_RULE_SETUP +#line 18 "parse_l.l" +return HASH; + YY_BREAK +case 6: +YY_RULE_SETUP +#line 19 "parse_l.l" +return CHAR; + YY_BREAK +case 7: +/* rule 7 can match eol */ +YY_RULE_SETUP +#line 20 "parse_l.l" +return NEWLINE; + YY_BREAK +case 8: +YY_RULE_SETUP +#line 22 "parse_l.l" +ECHO; + YY_BREAK +#line 784 "parse_l.c" +case YY_STATE_EOF(INITIAL): + yyterminate(); + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = (yy_hold_char); + YY_RESTORE_YY_MORE_OFFSET + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed yyin at a new source and called + * yylex(). If so, then we have to assure + * consistency between YY_CURRENT_BUFFER and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state ); + + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++(yy_c_buf_p); + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = (yy_c_buf_p); + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_END_OF_FILE: + { + (yy_did_buffer_switch_on_eof) = 0; + + if ( yywrap( ) ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * yytext, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = + (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + (yy_c_buf_p) = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ + } /* end of user's declarations */ +} /* end of yylex */ + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ +static int yy_get_next_buffer (void) +{ + char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + char *source = (yytext_ptr); + int number_to_move, i; + int ret_val; + + if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr) - 1); + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; + + else + { + int num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ + + /* just a shorter name for the current buffer */ + YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE; + + int yy_c_buf_p_offset = + (int) ((yy_c_buf_p) - b->yy_ch_buf); + + if ( b->yy_is_our_buffer ) + { + int new_size = b->yy_buf_size * 2; + + if ( new_size <= 0 ) + b->yy_buf_size += b->yy_buf_size / 8; + else + b->yy_buf_size *= 2; + + b->yy_ch_buf = (char *) + /* Include room in for 2 EOB chars. */ + yyrealloc( (void *) b->yy_ch_buf, + (yy_size_t) (b->yy_buf_size + 2) ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = NULL; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; + + num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - + number_to_move - 1; + + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + (yy_n_chars), num_to_read ); + + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + if ( (yy_n_chars) == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + yyrestart( yyin ); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + if (((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { + /* Extend the array by 50%, plus the number we really need. */ + int new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc( + (void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf, (yy_size_t) new_size ); + if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); + /* "- 2" to take care of EOB's */ + YY_CURRENT_BUFFER_LVALUE->yy_buf_size = (int) (new_size - 2); + } + + (yy_n_chars) += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; + + (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; + + return ret_val; +} + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + + static yy_state_type yy_get_previous_state (void) +{ + yy_state_type yy_current_state; + char *yy_cp; + + yy_current_state = (yy_start); + + for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) + { + YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 19 ) + yy_c = yy_meta[yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; + } + + return yy_current_state; +} + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) +{ + int yy_is_jam; + char *yy_cp = (yy_c_buf_p); + + YY_CHAR yy_c = 1; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 19 ) + yy_c = yy_meta[yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; + yy_is_jam = (yy_current_state == 18); + + return yy_is_jam ? 0 : yy_current_state; +} + +#ifndef YY_NO_UNPUT + + static void yyunput (int c, char * yy_bp ) +{ + char *yy_cp; + + yy_cp = (yy_c_buf_p); + + /* undo effects of setting up yytext */ + *yy_cp = (yy_hold_char); + + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) + { /* need to shift things up to make room */ + /* +2 for EOB chars. */ + int number_to_move = (yy_n_chars) + 2; + char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[ + YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2]; + char *source = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]; + + while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + *--dest = *--source; + + yy_cp += (int) (dest - source); + yy_bp += (int) (dest - source); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = + (yy_n_chars) = (int) YY_CURRENT_BUFFER_LVALUE->yy_buf_size; + + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) + YY_FATAL_ERROR( "flex scanner push-back overflow" ); + } + + *--yy_cp = (char) c; + + (yytext_ptr) = yy_bp; + (yy_hold_char) = *yy_cp; + (yy_c_buf_p) = yy_cp; +} + +#endif + +#ifndef YY_NO_INPUT +#ifdef __cplusplus + static int yyinput (void) +#else + static int input (void) +#endif + +{ + int c; + + *(yy_c_buf_p) = (yy_hold_char); + + if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + /* This was really a NUL. */ + *(yy_c_buf_p) = '\0'; + + else + { /* need more input */ + int offset = (int) ((yy_c_buf_p) - (yytext_ptr)); + ++(yy_c_buf_p); + + switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + yyrestart( yyin ); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( yywrap( ) ) + return 0; + + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(); +#else + return input(); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = (yytext_ptr) + offset; + break; + } + } + } + + c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ + *(yy_c_buf_p) = '\0'; /* preserve yytext */ + (yy_hold_char) = *++(yy_c_buf_p); + + return c; +} +#endif /* ifndef YY_NO_INPUT */ + +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * + * @note This function does not reset the start condition to @c INITIAL . + */ + void yyrestart (FILE * input_file ) +{ + + if ( ! YY_CURRENT_BUFFER ){ + yyensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + yy_create_buffer( yyin, YY_BUF_SIZE ); + } + + yy_init_buffer( YY_CURRENT_BUFFER, input_file ); + yy_load_buffer_state( ); +} + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * + */ + void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ) +{ + + /* TODO. We should be able to replace this entire function body + * with + * yypop_buffer_state(); + * yypush_buffer_state(new_buffer); + */ + yyensure_buffer_stack (); + if ( YY_CURRENT_BUFFER == new_buffer ) + return; + + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + YY_CURRENT_BUFFER_LVALUE = new_buffer; + yy_load_buffer_state( ); + + /* We don't actually know whether we did this switch during + * EOF (yywrap()) processing, but the only time this flag + * is looked at is after yywrap() is called, so it's safe + * to go ahead and always set it. + */ + (yy_did_buffer_switch_on_eof) = 1; +} + +static void yy_load_buffer_state (void) +{ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; + (yy_hold_char) = *(yy_c_buf_p); +} + +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * + * @return the allocated buffer state. + */ + YY_BUFFER_STATE yy_create_buffer (FILE * file, int size ) +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) yyalloc( (yy_size_t) (b->yy_buf_size + 2) ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); + + b->yy_is_our_buffer = 1; + + yy_init_buffer( b, file ); + + return b; +} + +/** Destroy the buffer. + * @param b a buffer created with yy_create_buffer() + * + */ + void yy_delete_buffer (YY_BUFFER_STATE b ) +{ + + if ( ! b ) + return; + + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + yyfree( (void *) b->yy_ch_buf ); + + yyfree( (void *) b ); +} + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a yyrestart() or at EOF. + */ + static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file ) + +{ + int oerrno = errno; + + yy_flush_buffer( b ); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then yy_init_buffer was _probably_ + * called from yyrestart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } + + b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; + + errno = oerrno; +} + +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * + */ + void yy_flush_buffer (YY_BUFFER_STATE b ) +{ + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == YY_CURRENT_BUFFER ) + yy_load_buffer_state( ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * + */ +void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) +{ + if (new_buffer == NULL) + return; + + yyensure_buffer_stack(); + + /* This block is copied from yy_switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + (yy_buffer_stack_top)++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from yy_switch_to_buffer. */ + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * + */ +void yypop_buffer_state (void) +{ + if (!YY_CURRENT_BUFFER) + return; + + yy_delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + if ((yy_buffer_stack_top) > 0) + --(yy_buffer_stack_top); + + if (YY_CURRENT_BUFFER) { + yy_load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; + } +} + +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void yyensure_buffer_stack (void) +{ + yy_size_t num_to_alloc; + + if (!(yy_buffer_stack)) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; /* After all that talk, this was set to 1 anyways... */ + (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); + + memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + (yy_buffer_stack_max) = num_to_alloc; + (yy_buffer_stack_top) = 0; + return; + } + + if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + yy_size_t grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = (yy_buffer_stack_max) + grow_size; + (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc + ((yy_buffer_stack), + num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); + + /* zero only the new slots.*/ + memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); + (yy_buffer_stack_max) = num_to_alloc; + } +} + +/** Setup the input buffer state to scan directly from a user-specified character buffer. + * @param base the character buffer + * @param size the size in bytes of the character buffer + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size ) +{ + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return NULL; + + b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); + + b->yy_buf_size = (int) (size - 2); /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = NULL; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + yy_switch_to_buffer( b ); + + return b; +} + +/** Setup the input buffer state to scan a string. The next call to yylex() will + * scan from a @e copy of @a str. + * @param yystr a NUL-terminated string to scan + * + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * yy_scan_bytes() instead. + */ +YY_BUFFER_STATE yy_scan_string (const char * yystr ) +{ + + return yy_scan_bytes( yystr, (int) strlen(yystr) ); +} + +/** Setup the input buffer state to scan the given bytes. The next call to yylex() will + * scan from a @e copy of @a bytes. + * @param yybytes the byte buffer to scan + * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes. + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE yy_scan_bytes (const char * yybytes, int _yybytes_len ) +{ + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + int i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = (yy_size_t) (_yybytes_len + 2); + buf = (char *) yyalloc( n ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); + + for ( i = 0; i < _yybytes_len; ++i ) + buf[i] = yybytes[i]; + + buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; + + b = yy_scan_buffer( buf, n ); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; +} + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +static void yynoreturn yy_fatal_error (const char* msg YY_ATTRIBUTE_UNUSED) +{ + fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up yytext. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + yytext[yyleng] = (yy_hold_char); \ + (yy_c_buf_p) = yytext + yyless_macro_arg; \ + (yy_hold_char) = *(yy_c_buf_p); \ + *(yy_c_buf_p) = '\0'; \ + yyleng = yyless_macro_arg; \ + } \ + while ( 0 ) + +/* Accessor methods (get/set functions) to struct members. */ + +/** Get the current line number. + * + */ +int yyget_lineno (void) +{ + + return yylineno; +} + +/** Get the input stream. + * + */ +FILE *yyget_in (void) +{ + return yyin; +} + +/** Get the output stream. + * + */ +FILE *yyget_out (void) +{ + return yyout; +} + +/** Get the length of the current token. + * + */ +int yyget_leng (void) +{ + return yyleng; +} + +/** Get the current token. + * + */ + +char *yyget_text (void) +{ + return yytext; +} + +/** Set the current line number. + * @param _line_number line number + * + */ +void yyset_lineno (int _line_number ) +{ + + yylineno = _line_number; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param _in_str A readable stream. + * + * @see yy_switch_to_buffer + */ +void yyset_in (FILE * _in_str ) +{ + yyin = _in_str ; +} + +void yyset_out (FILE * _out_str ) +{ + yyout = _out_str ; +} + +int yyget_debug (void) +{ + return yy_flex_debug; +} + +void yyset_debug (int _bdebug ) +{ + yy_flex_debug = _bdebug ; +} + +static int yy_init_globals (void) +{ + /* Initialization is the same as for the non-reentrant scanner. + * This function is called from yylex_destroy(), so don't allocate here. + */ + + (yy_buffer_stack) = NULL; + (yy_buffer_stack_top) = 0; + (yy_buffer_stack_max) = 0; + (yy_c_buf_p) = NULL; + (yy_init) = 0; + (yy_start) = 0; + +/* Defined in main.c */ +#ifdef YY_STDINIT + yyin = stdin; + yyout = stdout; +#else + yyin = NULL; + yyout = NULL; +#endif + + /* For future reference: Set errno on error, since we are called by + * yylex_init() + */ + return 0; +} + +/* yylex_destroy is for both reentrant and non-reentrant scanners. */ +int yylex_destroy (void) +{ + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + yy_delete_buffer( YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + yypop_buffer_state(); + } + + /* Destroy the stack itself. */ + yyfree((yy_buffer_stack) ); + (yy_buffer_stack) = NULL; + + /* Reset the globals. This is important in a non-reentrant scanner so the next time + * yylex() is called, initialization will occur. */ + yy_init_globals( ); + + return 0; +} + +/* + * Internal utility routines. + */ + +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, const char * s2, int n YY_ATTRIBUTE_UNUSED) +{ + int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (const char * s YY_ATTRIBUTE_UNUSED) +{ + int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +void *yyalloc (yy_size_t size YY_ATTRIBUTE_UNUSED) +{ + return malloc(size); +} + +void *yyrealloc (void * ptr, yy_size_t size YY_ATTRIBUTE_UNUSED) +{ + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return realloc(ptr, size); +} + +void yyfree (void * ptr YY_ATTRIBUTE_UNUSED) +{ + free( (char *) ptr ); /* see yyrealloc() for (char *) cast */ +} + +#line 22 "parse_l.l" + + diff --git a/doc/specs/parse_l.l b/doc/specs/parse_l.l new file mode 100644 index 0000000..d8400a0 --- /dev/null +++ b/doc/specs/parse_l.l @@ -0,0 +1,22 @@ +%{ +#ifdef HAVE_CONFIG_H +# include +#endif + +#include + +#include "parse_y.h" +%} + +%option noyywrap +%% + +\#[\$]+[a-zA-Z]*(\=[0-9]+)? return NEW_COUNTER; +\#\{[a-zA-Z][a-zA-Z0-9\_]*\} return LABEL; +\# return NO_INDENT; +\#\# return RIGHT; +\\\# return HASH; +[^\n] return CHAR; +[\n] return NEWLINE; + +%% diff --git a/doc/specs/parse_y.c b/doc/specs/parse_y.c new file mode 100644 index 0000000..7009e3f --- /dev/null +++ b/doc/specs/parse_y.c @@ -0,0 +1,1675 @@ +/* A Bison parser, made by GNU Bison 3.7.6. */ + +/* Bison implementation for Yacc-like parsers in C + + Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 Free Software Foundation, + Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* C LALR(1) parser skeleton written by Richard Stallman, by + simplifying the original so-called "semantic" parser. */ + +/* DO NOT RELY ON FEATURES THAT ARE NOT DOCUMENTED in the manual, + especially those whose name start with YY_ or yy_. They are + private implementation details that can be changed or removed. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +/* Identify Bison output, and Bison version. */ +#define YYBISON 30706 + +/* Bison version string. */ +#define YYBISON_VERSION "3.7.6" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 0 + +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + + + + +/* First part of user prologue. */ +#line 2 "parse_y.y" + +#ifdef HAVE_CONFIG_H +# include +#endif + +#include +#include +#include + +#define MAXLINE 1000 +#define INDENT_STRING " " +#define PAPER_WIDTH 74 + + int indent=0; + int line=1; + char *last_label=NULL; + + extern int yylex(void); + extern char *yytext; + extern void yyerror(const char *x); + extern char *get_label(const char *label); + extern void set_label(const char *label, const char *target); + char *new_counter(const char *key); + +#line 96 "parse_y.c" + +# ifndef YY_CAST +# ifdef __cplusplus +# define YY_CAST(Type, Val) static_cast (Val) +# define YY_REINTERPRET_CAST(Type, Val) reinterpret_cast (Val) +# else +# define YY_CAST(Type, Val) ((Type) (Val)) +# define YY_REINTERPRET_CAST(Type, Val) ((Type) (Val)) +# endif +# endif +# ifndef YY_NULLPTR +# if defined __cplusplus +# if 201103L <= __cplusplus +# define YY_NULLPTR nullptr +# else +# define YY_NULLPTR 0 +# endif +# else +# define YY_NULLPTR ((void*)0) +# endif +# endif + +/* Use api.header.include to #include this header + instead of duplicating it here. */ +#ifndef YY_YY_PARSE_Y_H_INCLUDED +# define YY_YY_PARSE_Y_H_INCLUDED +/* Debug traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif +#if YYDEBUG +extern int yydebug; +#endif + +/* Token kinds. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + enum yytokentype + { + YYEMPTY = -2, + YYEOF = 0, /* "end of file" */ + YYerror = 256, /* error */ + YYUNDEF = 257, /* "invalid token" */ + NEW_COUNTER = 258, /* NEW_COUNTER */ + LABEL = 259, /* LABEL */ + HASH = 260, /* HASH */ + CHAR = 261, /* CHAR */ + NEWLINE = 262, /* NEWLINE */ + NO_INDENT = 263, /* NO_INDENT */ + RIGHT = 264 /* RIGHT */ + }; + typedef enum yytokentype yytoken_kind_t; +#endif +/* Token kinds. */ +#define YYEMPTY -2 +#define YYEOF 0 +#define YYerror 256 +#define YYUNDEF 257 +#define NEW_COUNTER 258 +#define LABEL 259 +#define HASH 260 +#define CHAR 261 +#define NEWLINE 262 +#define NO_INDENT 263 +#define RIGHT 264 + +/* Value type. */ +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +union YYSTYPE +{ +#line 27 "parse_y.y" + + int def; + char *string; + +#line 172 "parse_y.c" + +}; +typedef union YYSTYPE YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 +# define YYSTYPE_IS_DECLARED 1 +#endif + + +extern YYSTYPE yylval; + +int yyparse (void); + +#endif /* !YY_YY_PARSE_Y_H_INCLUDED */ +/* Symbol kind. */ +enum yysymbol_kind_t +{ + YYSYMBOL_YYEMPTY = -2, + YYSYMBOL_YYEOF = 0, /* "end of file" */ + YYSYMBOL_YYerror = 1, /* error */ + YYSYMBOL_YYUNDEF = 2, /* "invalid token" */ + YYSYMBOL_NEW_COUNTER = 3, /* NEW_COUNTER */ + YYSYMBOL_LABEL = 4, /* LABEL */ + YYSYMBOL_HASH = 5, /* HASH */ + YYSYMBOL_CHAR = 6, /* CHAR */ + YYSYMBOL_NEWLINE = 7, /* NEWLINE */ + YYSYMBOL_NO_INDENT = 8, /* NO_INDENT */ + YYSYMBOL_RIGHT = 9, /* RIGHT */ + YYSYMBOL_YYACCEPT = 10, /* $accept */ + YYSYMBOL_doc = 11, /* doc */ + YYSYMBOL_stuff = 12, /* stuff */ + YYSYMBOL_text = 13 /* text */ +}; +typedef enum yysymbol_kind_t yysymbol_kind_t; + + + + +#ifdef short +# undef short +#endif + +/* On compilers that do not define __PTRDIFF_MAX__ etc., make sure + and (if available) are included + so that the code can choose integer types of a good width. */ + +#ifndef __PTRDIFF_MAX__ +# include /* INFRINGES ON USER NAME SPACE */ +# if defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__ +# include /* INFRINGES ON USER NAME SPACE */ +# define YY_STDINT_H +# endif +#endif + +/* Narrow types that promote to a signed type and that can represent a + signed or unsigned integer of at least N bits. In tables they can + save space and decrease cache pressure. Promoting to a signed type + helps avoid bugs in integer arithmetic. */ + +#ifdef __INT_LEAST8_MAX__ +typedef __INT_LEAST8_TYPE__ yytype_int8; +#elif defined YY_STDINT_H +typedef int_least8_t yytype_int8; +#else +typedef signed char yytype_int8; +#endif + +#ifdef __INT_LEAST16_MAX__ +typedef __INT_LEAST16_TYPE__ yytype_int16; +#elif defined YY_STDINT_H +typedef int_least16_t yytype_int16; +#else +typedef short yytype_int16; +#endif + +/* Work around bug in HP-UX 11.23, which defines these macros + incorrectly for preprocessor constants. This workaround can likely + be removed in 2023, as HPE has promised support for HP-UX 11.23 + (aka HP-UX 11i v2) only through the end of 2022; see Table 2 of + . */ +#ifdef __hpux +# undef UINT_LEAST8_MAX +# undef UINT_LEAST16_MAX +# define UINT_LEAST8_MAX 255 +# define UINT_LEAST16_MAX 65535 +#endif + +#if defined __UINT_LEAST8_MAX__ && __UINT_LEAST8_MAX__ <= __INT_MAX__ +typedef __UINT_LEAST8_TYPE__ yytype_uint8; +#elif (!defined __UINT_LEAST8_MAX__ && defined YY_STDINT_H \ + && UINT_LEAST8_MAX <= INT_MAX) +typedef uint_least8_t yytype_uint8; +#elif !defined __UINT_LEAST8_MAX__ && UCHAR_MAX <= INT_MAX +typedef unsigned char yytype_uint8; +#else +typedef short yytype_uint8; +#endif + +#if defined __UINT_LEAST16_MAX__ && __UINT_LEAST16_MAX__ <= __INT_MAX__ +typedef __UINT_LEAST16_TYPE__ yytype_uint16; +#elif (!defined __UINT_LEAST16_MAX__ && defined YY_STDINT_H \ + && UINT_LEAST16_MAX <= INT_MAX) +typedef uint_least16_t yytype_uint16; +#elif !defined __UINT_LEAST16_MAX__ && USHRT_MAX <= INT_MAX +typedef unsigned short yytype_uint16; +#else +typedef int yytype_uint16; +#endif + +#ifndef YYPTRDIFF_T +# if defined __PTRDIFF_TYPE__ && defined __PTRDIFF_MAX__ +# define YYPTRDIFF_T __PTRDIFF_TYPE__ +# define YYPTRDIFF_MAXIMUM __PTRDIFF_MAX__ +# elif defined PTRDIFF_MAX +# ifndef ptrdiff_t +# include /* INFRINGES ON USER NAME SPACE */ +# endif +# define YYPTRDIFF_T ptrdiff_t +# define YYPTRDIFF_MAXIMUM PTRDIFF_MAX +# else +# define YYPTRDIFF_T long +# define YYPTRDIFF_MAXIMUM LONG_MAX +# endif +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif defined __STDC_VERSION__ && 199901 <= __STDC_VERSION__ +# include /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned +# endif +#endif + +#define YYSIZE_MAXIMUM \ + YY_CAST (YYPTRDIFF_T, \ + (YYPTRDIFF_MAXIMUM < YY_CAST (YYSIZE_T, -1) \ + ? YYPTRDIFF_MAXIMUM \ + : YY_CAST (YYSIZE_T, -1))) + +#define YYSIZEOF(X) YY_CAST (YYPTRDIFF_T, sizeof (X)) + + +/* Stored state numbers (used for stacks). */ +typedef yytype_int8 yy_state_t; + +/* State numbers in computations. */ +typedef int yy_state_fast_t; + +#ifndef YY_ +# if defined YYENABLE_NLS && YYENABLE_NLS +# if ENABLE_NLS +# include /* INFRINGES ON USER NAME SPACE */ +# define YY_(Msgid) dgettext ("bison-runtime", Msgid) +# endif +# endif +# ifndef YY_ +# define YY_(Msgid) Msgid +# endif +#endif + + +#ifndef YY_ATTRIBUTE_PURE +# if defined __GNUC__ && 2 < __GNUC__ + (96 <= __GNUC_MINOR__) +# define YY_ATTRIBUTE_PURE __attribute__ ((__pure__)) +# else +# define YY_ATTRIBUTE_PURE +# endif +#endif + +#ifndef YY_ATTRIBUTE_UNUSED +# if defined __GNUC__ && 2 < __GNUC__ + (7 <= __GNUC_MINOR__) +# define YY_ATTRIBUTE_UNUSED __attribute__ ((__unused__)) +# else +# define YY_ATTRIBUTE_UNUSED +# endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YY_USE(E) ((void) (E)) +#else +# define YY_USE(E) /* empty */ +#endif + +#if defined __GNUC__ && ! defined __ICC && 407 <= __GNUC__ * 100 + __GNUC_MINOR__ +/* Suppress an incorrect diagnostic about yylval being uninitialized. */ +# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \ + _Pragma ("GCC diagnostic push") \ + _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"") \ + _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"") +# define YY_IGNORE_MAYBE_UNINITIALIZED_END \ + _Pragma ("GCC diagnostic pop") +#else +# define YY_INITIAL_VALUE(Value) Value +#endif +#ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN +# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN +# define YY_IGNORE_MAYBE_UNINITIALIZED_END +#endif +#ifndef YY_INITIAL_VALUE +# define YY_INITIAL_VALUE(Value) /* Nothing. */ +#endif + +#if defined __cplusplus && defined __GNUC__ && ! defined __ICC && 6 <= __GNUC__ +# define YY_IGNORE_USELESS_CAST_BEGIN \ + _Pragma ("GCC diagnostic push") \ + _Pragma ("GCC diagnostic ignored \"-Wuseless-cast\"") +# define YY_IGNORE_USELESS_CAST_END \ + _Pragma ("GCC diagnostic pop") +#endif +#ifndef YY_IGNORE_USELESS_CAST_BEGIN +# define YY_IGNORE_USELESS_CAST_BEGIN +# define YY_IGNORE_USELESS_CAST_END +#endif + + +#define YY_ASSERT(E) ((void) (0 && (E))) + +#if !defined yyoverflow + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# elif defined __BUILTIN_VA_ARG_INCR +# include /* INFRINGES ON USER NAME SPACE */ +# elif defined _AIX +# define YYSTACK_ALLOC __alloca +# elif defined _MSC_VER +# include /* INFRINGES ON USER NAME SPACE */ +# define alloca _alloca +# else +# define YYSTACK_ALLOC alloca +# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS +# include /* INFRINGES ON USER NAME SPACE */ + /* Use EXIT_SUCCESS as a witness for stdlib.h. */ +# ifndef EXIT_SUCCESS +# define EXIT_SUCCESS 0 +# endif +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's 'empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ +# endif +# else +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# ifndef YYSTACK_ALLOC_MAXIMUM +# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM +# endif +# if (defined __cplusplus && ! defined EXIT_SUCCESS \ + && ! ((defined YYMALLOC || defined malloc) \ + && (defined YYFREE || defined free))) +# include /* INFRINGES ON USER NAME SPACE */ +# ifndef EXIT_SUCCESS +# define EXIT_SUCCESS 0 +# endif +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if ! defined malloc && ! defined EXIT_SUCCESS +void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifndef YYFREE +# define YYFREE free +# if ! defined free && ! defined EXIT_SUCCESS +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# endif +#endif /* !defined yyoverflow */ + +#if (! defined yyoverflow \ + && (! defined __cplusplus \ + || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + yy_state_t yyss_alloc; + YYSTYPE yyvs_alloc; +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAXIMUM (YYSIZEOF (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# define YYSTACK_BYTES(N) \ + ((N) * (YYSIZEOF (yy_state_t) + YYSIZEOF (YYSTYPE)) \ + + YYSTACK_GAP_MAXIMUM) + +# define YYCOPY_NEEDED 1 + +/* Relocate STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Stack_alloc, Stack) \ + do \ + { \ + YYPTRDIFF_T yynewbytes; \ + YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ + Stack = &yyptr->Stack_alloc; \ + yynewbytes = yystacksize * YYSIZEOF (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / YYSIZEOF (*yyptr); \ + } \ + while (0) + +#endif + +#if defined YYCOPY_NEEDED && YYCOPY_NEEDED +/* Copy COUNT objects from SRC to DST. The source and destination do + not overlap. */ +# ifndef YYCOPY +# if defined __GNUC__ && 1 < __GNUC__ +# define YYCOPY(Dst, Src, Count) \ + __builtin_memcpy (Dst, Src, YY_CAST (YYSIZE_T, (Count)) * sizeof (*(Src))) +# else +# define YYCOPY(Dst, Src, Count) \ + do \ + { \ + YYPTRDIFF_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (Dst)[yyi] = (Src)[yyi]; \ + } \ + while (0) +# endif +# endif +#endif /* !YYCOPY_NEEDED */ + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 2 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 27 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 10 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 4 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 15 +/* YYNSTATES -- Number of states. */ +#define YYNSTATES 19 + +/* YYMAXUTOK -- Last valid token kind. */ +#define YYMAXUTOK 264 + + +/* YYTRANSLATE(TOKEN-NUM) -- Symbol number corresponding to TOKEN-NUM + as returned by yylex, with out-of-bounds checking. */ +#define YYTRANSLATE(YYX) \ + (0 <= (YYX) && (YYX) <= YYMAXUTOK \ + ? YY_CAST (yysymbol_kind_t, yytranslate[YYX]) \ + : YYSYMBOL_YYUNDEF) + +/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM + as returned by yylex. */ +static const yytype_int8 yytranslate[] = +{ + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5, 6, 7, 8, 9 +}; + +#if YYDEBUG + /* YYRLINE[YYN] -- Source line where rule number YYN was defined. */ +static const yytype_uint8 yyrline[] = +{ + 0, 39, 39, 40, 44, 53, 72, 99, 128, 131, + 139, 142, 147, 151, 154, 160 +}; +#endif + +/** Accessing symbol of state STATE. */ +#define YY_ACCESSING_SYMBOL(State) YY_CAST (yysymbol_kind_t, yystos[State]) + +#if YYDEBUG || 0 +/* The user-facing name of the symbol whose (internal) number is + YYSYMBOL. No bounds checking. */ +static const char *yysymbol_name (yysymbol_kind_t yysymbol) YY_ATTRIBUTE_UNUSED; + +/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +static const char *const yytname[] = +{ + "\"end of file\"", "error", "\"invalid token\"", "NEW_COUNTER", "LABEL", + "HASH", "CHAR", "NEWLINE", "NO_INDENT", "RIGHT", "$accept", "doc", + "stuff", "text", YY_NULLPTR +}; + +static const char * +yysymbol_name (yysymbol_kind_t yysymbol) +{ + return yytname[yysymbol]; +} +#endif + +#ifdef YYPRINT +/* YYTOKNUM[NUM] -- (External) token number corresponding to the + (internal) symbol number NUM (which must be that of a token). */ +static const yytype_int16 yytoknum[] = +{ + 0, 256, 257, 258, 259, 260, 261, 262, 263, 264 +}; +#endif + +#define YYPACT_NINF (-3) + +#define yypact_value_is_default(Yyn) \ + ((Yyn) == YYPACT_NINF) + +#define YYTABLE_NINF (-1) + +#define yytable_value_is_error(Yyn) \ + 0 + + /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +static const yytype_int8 yypact[] = +{ + -3, 0, -3, -3, 5, -3, -3, -3, -3, -3, + -3, -3, 17, 12, -3, -3, -3, -2, -3 +}; + + /* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM. + Performed when YYTABLE does not specify something else to do. Zero + means the default is an error. */ +static const yytype_int8 yydefact[] = +{ + 2, 8, 1, 3, 0, 15, 14, 13, 10, 4, + 12, 8, 9, 0, 11, 5, 8, 0, 6 +}; + + /* YYPGOTO[NTERM-NUM]. */ +static const yytype_int8 yypgoto[] = +{ + -3, -3, 11, -3 +}; + + /* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int8 yydefgoto[] = +{ + 0, 1, 4, 12 +}; + + /* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM. If + positive, shift that token. If negative, reduce the rule whose + number is the opposite. If YYTABLE_NINF, syntax error. */ +static const yytype_int8 yytable[] = +{ + 2, 5, 6, 7, 8, 18, 10, 3, 5, 6, + 7, 8, 9, 10, 11, 5, 6, 7, 8, 15, + 10, 16, 13, 14, 0, 0, 0, 17 +}; + +static const yytype_int8 yycheck[] = +{ + 0, 3, 4, 5, 6, 7, 8, 7, 3, 4, + 5, 6, 7, 8, 9, 3, 4, 5, 6, 7, + 8, 9, 11, 6, -1, -1, -1, 16 +}; + + /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_int8 yystos[] = +{ + 0, 11, 0, 7, 12, 3, 4, 5, 6, 7, + 8, 9, 13, 12, 6, 7, 9, 12, 7 +}; + + /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_int8 yyr1[] = +{ + 0, 10, 11, 11, 11, 11, 11, 11, 12, 12, + 13, 13, 13, 13, 13, 13 +}; + + /* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN. */ +static const yytype_int8 yyr2[] = +{ + 0, 2, 0, 2, 3, 5, 7, 7, 0, 2, + 1, 2, 1, 1, 1, 1 +}; + + +enum { YYENOMEM = -2 }; + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) + +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrorlab + + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ + do \ + if (yychar == YYEMPTY) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + YYPOPSTACK (yylen); \ + yystate = *yyssp; \ + goto yybackup; \ + } \ + else \ + { \ + yyerror (YY_("syntax error: cannot back up")); \ + YYERROR; \ + } \ + while (0) + +/* Backward compatibility with an undocumented macro. + Use YYerror or YYUNDEF. */ +#define YYERRCODE YYUNDEF + + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (0) + +/* This macro is provided for backward compatibility. */ +# ifndef YY_LOCATION_PRINT +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +# endif + + +# define YY_SYMBOL_PRINT(Title, Kind, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Kind, Value); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (0) + + +/*-----------------------------------. +| Print this symbol's value on YYO. | +`-----------------------------------*/ + +static void +yy_symbol_value_print (FILE *yyo, + yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep) +{ + FILE *yyoutput = yyo; + YY_USE (yyoutput); + if (!yyvaluep) + return; +# ifdef YYPRINT + if (yykind < YYNTOKENS) + YYPRINT (yyo, yytoknum[yykind], *yyvaluep); +# endif + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + YY_USE (yykind); + YY_IGNORE_MAYBE_UNINITIALIZED_END +} + + +/*---------------------------. +| Print this symbol on YYO. | +`---------------------------*/ + +static void +yy_symbol_print (FILE *yyo, + yysymbol_kind_t yykind, YYSTYPE const * const yyvaluep) +{ + YYFPRINTF (yyo, "%s %s (", + yykind < YYNTOKENS ? "token" : "nterm", yysymbol_name (yykind)); + + yy_symbol_value_print (yyo, yykind, yyvaluep); + YYFPRINTF (yyo, ")"); +} + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +static void +yy_stack_print (yy_state_t *yybottom, yy_state_t *yytop) +{ + YYFPRINTF (stderr, "Stack now"); + for (; yybottom <= yytop; yybottom++) + { + int yybot = *yybottom; + YYFPRINTF (stderr, " %d", yybot); + } + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (0) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +static void +yy_reduce_print (yy_state_t *yyssp, YYSTYPE *yyvsp, + int yyrule) +{ + int yylno = yyrline[yyrule]; + int yynrhs = yyr2[yyrule]; + int yyi; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %d):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + YYFPRINTF (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, + YY_ACCESSING_SYMBOL (+yyssp[yyi + 1 - yynrhs]), + &yyvsp[(yyi + 1) - (yynrhs)]); + YYFPRINTF (stderr, "\n"); + } +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (yyssp, yyvsp, Rule); \ +} while (0) + +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) ((void) 0) +# define YY_SYMBOL_PRINT(Title, Kind, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) +#endif /* !YYDEBUG */ + + +/* YYINITDEPTH -- initial size of the parser's stacks. */ +#ifndef YYINITDEPTH +# define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only + if the built-in stack extension method is used). + + Do not make this value too large; the results are undefined if + YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#ifndef YYMAXDEPTH +# define YYMAXDEPTH 10000 +#endif + + + + + + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +static void +yydestruct (const char *yymsg, + yysymbol_kind_t yykind, YYSTYPE *yyvaluep) +{ + YY_USE (yyvaluep); + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yykind, yyvaluep, yylocationp); + + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + YY_USE (yykind); + YY_IGNORE_MAYBE_UNINITIALIZED_END +} + + +/* Lookahead token kind. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; +/* Number of syntax errors so far. */ +int yynerrs; + + + + +/*----------. +| yyparse. | +`----------*/ + +int +yyparse (void) +{ + yy_state_fast_t yystate = 0; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus = 0; + + /* Refer to the stacks through separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* Their size. */ + YYPTRDIFF_T yystacksize = YYINITDEPTH; + + /* The state stack: array, bottom, top. */ + yy_state_t yyssa[YYINITDEPTH]; + yy_state_t *yyss = yyssa; + yy_state_t *yyssp = yyss; + + /* The semantic value stack: array, bottom, top. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs = yyvsa; + YYSTYPE *yyvsp = yyvs; + + int yyn; + /* The return value of yyparse. */ + int yyresult; + /* Lookahead symbol kind. */ + yysymbol_kind_t yytoken = YYSYMBOL_YYEMPTY; + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + + + +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)) + + /* The number of symbols on the RHS of the reduced rule. + Keep to zero when no symbol should be popped. */ + int yylen = 0; + + YYDPRINTF ((stderr, "Starting parse\n")); + + yychar = YYEMPTY; /* Cause a token to be read. */ + goto yysetstate; + + +/*------------------------------------------------------------. +| yynewstate -- push a new state, which is found in yystate. | +`------------------------------------------------------------*/ +yynewstate: + /* In all cases, when you get here, the value and location stacks + have just been pushed. So pushing a state here evens the stacks. */ + yyssp++; + + +/*--------------------------------------------------------------------. +| yysetstate -- set current state (the top of the stack) to yystate. | +`--------------------------------------------------------------------*/ +yysetstate: + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + YY_ASSERT (0 <= yystate && yystate < YYNSTATES); + YY_IGNORE_USELESS_CAST_BEGIN + *yyssp = YY_CAST (yy_state_t, yystate); + YY_IGNORE_USELESS_CAST_END + YY_STACK_PRINT (yyss, yyssp); + + if (yyss + yystacksize - 1 <= yyssp) +#if !defined yyoverflow && !defined YYSTACK_RELOCATE + goto yyexhaustedlab; +#else + { + /* Get the current used size of the three stacks, in elements. */ + YYPTRDIFF_T yysize = yyssp - yyss + 1; + +# if defined yyoverflow + { + /* Give user a chance to reallocate the stack. Use copies of + these so that the &'s don't force the real ones into + memory. */ + yy_state_t *yyss1 = yyss; + YYSTYPE *yyvs1 = yyvs; + + /* Each stack pointer address is followed by the size of the + data in use in that stack, in bytes. This used to be a + conditional around just the two extra args, but that might + be undefined if yyoverflow is a macro. */ + yyoverflow (YY_("memory exhausted"), + &yyss1, yysize * YYSIZEOF (*yyssp), + &yyvs1, yysize * YYSIZEOF (*yyvsp), + &yystacksize); + yyss = yyss1; + yyvs = yyvs1; + } +# else /* defined YYSTACK_RELOCATE */ + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyexhaustedlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + yy_state_t *yyss1 = yyss; + union yyalloc *yyptr = + YY_CAST (union yyalloc *, + YYSTACK_ALLOC (YY_CAST (YYSIZE_T, YYSTACK_BYTES (yystacksize)))); + if (! yyptr) + goto yyexhaustedlab; + YYSTACK_RELOCATE (yyss_alloc, yyss); + YYSTACK_RELOCATE (yyvs_alloc, yyvs); +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + + YY_IGNORE_USELESS_CAST_BEGIN + YYDPRINTF ((stderr, "Stack size increased to %ld\n", + YY_CAST (long, yystacksize))); + YY_IGNORE_USELESS_CAST_END + + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; + } +#endif /* !defined yyoverflow && !defined YYSTACK_RELOCATE */ + + if (yystate == YYFINAL) + YYACCEPT; + + goto yybackup; + + +/*-----------. +| yybackup. | +`-----------*/ +yybackup: + /* Do appropriate processing given the current state. Read a + lookahead token if we need one and don't already have one. */ + + /* First try to decide what to do without reference to lookahead token. */ + yyn = yypact[yystate]; + if (yypact_value_is_default (yyn)) + goto yydefault; + + /* Not known => get a lookahead token if don't already have one. */ + + /* YYCHAR is either empty, or end-of-input, or a valid lookahead. */ + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token\n")); + yychar = yylex (); + } + + if (yychar <= YYEOF) + { + yychar = YYEOF; + yytoken = YYSYMBOL_YYEOF; + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else if (yychar == YYerror) + { + /* The scanner already issued an error message, process directly + to error recovery. But do not keep the error token as + lookahead, it is too special and may lead us to an endless + loop in error recovery. */ + yychar = YYUNDEF; + yytoken = YYSYMBOL_YYerror; + goto yyerrlab1; + } + else + { + yytoken = YYTRANSLATE (yychar); + YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); + } + + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) + goto yydefault; + yyn = yytable[yyn]; + if (yyn <= 0) + { + if (yytable_value_is_error (yyn)) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + /* Shift the lookahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + yystate = yyn; + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + *++yyvsp = yylval; + YY_IGNORE_MAYBE_UNINITIALIZED_END + + /* Discard the shifted token. */ + yychar = YYEMPTY; + goto yynewstate; + + +/*-----------------------------------------------------------. +| yydefault -- do the default action for the current state. | +`-----------------------------------------------------------*/ +yydefault: + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + goto yyreduce; + + +/*-----------------------------. +| yyreduce -- do a reduction. | +`-----------------------------*/ +yyreduce: + /* yyn is the number of a rule to reduce with. */ + yylen = yyr2[yyn]; + + /* If YYLEN is nonzero, implement the default value of the action: + '$$ = $1'. + + Otherwise, the following line sets YYVAL to garbage. + This behavior is undocumented and Bison + users should not rely upon it. Assigning to YYVAL + unconditionally makes the parser a bit smaller, and it avoids a + GCC warning that YYVAL may be used uninitialized. */ + yyval = yyvsp[1-yylen]; + + + YY_REDUCE_PRINT (yyn); + switch (yyn) + { + case 3: /* doc: doc NEWLINE */ +#line 40 "parse_y.y" + { + printf("\n"); + ++line; +} +#line 1170 "parse_y.c" + break; + + case 4: /* doc: doc stuff NEWLINE */ +#line 44 "parse_y.y" + { + if (strlen((yyvsp[-1].string)) > (PAPER_WIDTH-(indent ? strlen(INDENT_STRING):0))) { + yyerror("line too long"); + } + printf("%s%s\n", indent ? INDENT_STRING:"", (yyvsp[-1].string)); + free((yyvsp[-1].string)); + indent = 1; + ++line; +} +#line 1184 "parse_y.c" + break; + + case 5: /* doc: doc stuff RIGHT stuff NEWLINE */ +#line 53 "parse_y.y" + { + char fixed[PAPER_WIDTH+1]; + int len; + + len = PAPER_WIDTH-(strlen((yyvsp[-3].string))+strlen((yyvsp[-1].string))); + + if (len >= 0) { + memset(fixed, ' ', len); + fixed[len] = '\0'; + } else { + yyerror("line too wide"); + fixed[0] = '\0'; + } + printf("%s%s%s\n", (yyvsp[-3].string), fixed, (yyvsp[-1].string)); + free((yyvsp[-3].string)); + free((yyvsp[-1].string)); + indent = 1; + ++line; +} +#line 1208 "parse_y.c" + break; + + case 6: /* doc: doc stuff RIGHT stuff RIGHT stuff NEWLINE */ +#line 72 "parse_y.y" + { + char fixed[PAPER_WIDTH+1]; + int len, l; + + len = PAPER_WIDTH-(strlen((yyvsp[-5].string))+strlen((yyvsp[-3].string))); + + if (len < 0) { + len = 0; + yyerror("line too wide"); + } + + l = len/2; + memset(fixed, ' ', l); + fixed[l] = '\0'; + printf("%s%s%s", (yyvsp[-5].string), fixed, (yyvsp[-3].string)); + free((yyvsp[-5].string)); + free((yyvsp[-3].string)); + + l = (len+1)/2; + memset(fixed, ' ', l); + fixed[l] = '\0'; + printf("%s%s\n", fixed, (yyvsp[-1].string)); + free((yyvsp[-1].string)); + + indent = 1; + ++line; +} +#line 1240 "parse_y.c" + break; + + case 7: /* doc: doc stuff RIGHT stuff RIGHT stuff NEWLINE */ +#line 99 "parse_y.y" + { + char fixed[PAPER_WIDTH+1]; + int len, l; + + len = PAPER_WIDTH-(strlen((yyvsp[-5].string))+strlen((yyvsp[-3].string))); + + if (len < 0) { + len = 0; + yyerror("line too wide"); + } + + l = len/2; + memset(fixed, ' ', l); + fixed[l] = '\0'; + printf("%s%s%s", (yyvsp[-5].string), fixed, (yyvsp[-3].string)); + free((yyvsp[-5].string)); + free((yyvsp[-3].string)); + + l = (len+1)/2; + memset(fixed, ' ', l); + fixed[l] = '\0'; + printf("%s%s\n", fixed, (yyvsp[-1].string)); + free((yyvsp[-1].string)); + + indent = 1; + ++line; +} +#line 1272 "parse_y.c" + break; + + case 8: /* stuff: %empty */ +#line 128 "parse_y.y" + { + (yyval.string) = strdup(""); +} +#line 1280 "parse_y.c" + break; + + case 9: /* stuff: stuff text */ +#line 131 "parse_y.y" + { + (yyval.string) = malloc(strlen((yyvsp[-1].string))+strlen((yyvsp[0].string))+1); + sprintf((yyval.string),"%s%s", (yyvsp[-1].string), (yyvsp[0].string)); + free((yyvsp[-1].string)); + free((yyvsp[0].string)); +} +#line 1291 "parse_y.c" + break; + + case 10: /* text: CHAR */ +#line 139 "parse_y.y" + { + (yyval.string) = strdup(yytext); +} +#line 1299 "parse_y.c" + break; + + case 11: /* text: text CHAR */ +#line 142 "parse_y.y" + { + (yyval.string) = malloc(strlen((yyvsp[-1].string))+2); + sprintf((yyval.string),"%s%s", (yyvsp[-1].string), yytext); + free((yyvsp[-1].string)); +} +#line 1309 "parse_y.c" + break; + + case 12: /* text: NO_INDENT */ +#line 147 "parse_y.y" + { + (yyval.string) = strdup(""); + indent = 0; +} +#line 1318 "parse_y.c" + break; + + case 13: /* text: HASH */ +#line 151 "parse_y.y" + { + (yyval.string) = strdup("#"); +} +#line 1326 "parse_y.c" + break; + + case 14: /* text: LABEL */ +#line 154 "parse_y.y" + { + if (((yyval.string) = get_label(yytext)) == NULL) { + set_label(yytext, last_label); + (yyval.string) = strdup(""); + } +} +#line 1337 "parse_y.c" + break; + + case 15: /* text: NEW_COUNTER */ +#line 160 "parse_y.y" + { + (yyval.string) = new_counter(yytext); +} +#line 1345 "parse_y.c" + break; + + +#line 1349 "parse_y.c" + + default: break; + } + /* User semantic actions sometimes alter yychar, and that requires + that yytoken be updated with the new translation. We take the + approach of translating immediately before every use of yytoken. + One alternative is translating here after every semantic action, + but that translation would be missed if the semantic action invokes + YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or + if it invokes YYBACKUP. In the case of YYABORT or YYACCEPT, an + incorrect destructor might then be invoked immediately. In the + case of YYERROR or YYBACKUP, subsequent parser actions might lead + to an incorrect destructor call or verbose syntax error message + before the lookahead is translated. */ + YY_SYMBOL_PRINT ("-> $$ =", YY_CAST (yysymbol_kind_t, yyr1[yyn]), &yyval, &yyloc); + + YYPOPSTACK (yylen); + yylen = 0; + + *++yyvsp = yyval; + + /* Now 'shift' the result of the reduction. Determine what state + that goes to, based on the state we popped back to and the rule + number reduced by. */ + { + const int yylhs = yyr1[yyn] - YYNTOKENS; + const int yyi = yypgoto[yylhs] + *yyssp; + yystate = (0 <= yyi && yyi <= YYLAST && yycheck[yyi] == *yyssp + ? yytable[yyi] + : yydefgoto[yylhs]); + } + + goto yynewstate; + + +/*--------------------------------------. +| yyerrlab -- here on detecting error. | +`--------------------------------------*/ +yyerrlab: + /* Make sure we have latest lookahead translation. See comments at + user semantic actions for why this is necessary. */ + yytoken = yychar == YYEMPTY ? YYSYMBOL_YYEMPTY : YYTRANSLATE (yychar); + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; + yyerror (YY_("syntax error")); + } + + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + if (yychar <= YYEOF) + { + /* Return failure if at end of input. */ + if (yychar == YYEOF) + YYABORT; + } + else + { + yydestruct ("Error: discarding", + yytoken, &yylval); + yychar = YYEMPTY; + } + } + + /* Else will try to reuse lookahead token after shifting the error + token. */ + goto yyerrlab1; + + +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + /* Pacify compilers when the user code never invokes YYERROR and the + label yyerrorlab therefore never appears in user code. */ + if (0) + YYERROR; + + /* Do not reclaim the symbols of the rule whose action triggered + this YYERROR. */ + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + yystate = *yyssp; + goto yyerrlab1; + + +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ + + /* Pop stack until we find a state that shifts the error token. */ + for (;;) + { + yyn = yypact[yystate]; + if (!yypact_value_is_default (yyn)) + { + yyn += YYSYMBOL_YYerror; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYSYMBOL_YYerror) + { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } + + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; + + + yydestruct ("Error: popping", + YY_ACCESSING_SYMBOL (yystate), yyvsp); + YYPOPSTACK (1); + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); + } + + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + *++yyvsp = yylval; + YY_IGNORE_MAYBE_UNINITIALIZED_END + + + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", YY_ACCESSING_SYMBOL (yyn), yyvsp, yylsp); + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + + +#if !defined yyoverflow +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (YY_("memory exhausted")); + yyresult = 2; + goto yyreturn; +#endif + + +/*-------------------------------------------------------. +| yyreturn -- parsing is finished, clean up and return. | +`-------------------------------------------------------*/ +yyreturn: + if (yychar != YYEMPTY) + { + /* Make sure we have latest lookahead translation. See comments at + user semantic actions for why this is necessary. */ + yytoken = YYTRANSLATE (yychar); + yydestruct ("Cleanup: discarding lookahead", + yytoken, &yylval); + } + /* Do not reclaim the symbols of the rule whose action triggered + this YYABORT or YYACCEPT. */ + YYPOPSTACK (yylen); + YY_STACK_PRINT (yyss, yyssp); + while (yyssp != yyss) + { + yydestruct ("Cleanup: popping", + YY_ACCESSING_SYMBOL (+*yyssp), yyvsp); + YYPOPSTACK (1); + } +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif + + return yyresult; +} + +#line 165 "parse_y.y" + + +typedef struct node_s { + struct node_s *left, *right; + const char *key; + char *value; +} *node_t; + +node_t label_root = NULL; +node_t counter_root = NULL; + +static const char *find_key(node_t root, const char *key) +{ + while (root) { + int cmp = strcmp(key, root->key); + + if (cmp > 0) { + root = root->right; + } else if (cmp) { + root = root->left; + } else { + return root->value; + } + } + return NULL; +} + +static node_t set_key(node_t root, const char *key, const char *value) +{ + if (root) { + int cmp = strcmp(key, root->key); + if (cmp > 0) { + root->right = set_key(root->right, key, value); + } else if (cmp) { + root->left = set_key(root->left, key, value); + } else { + free(root->value); + root->value = strdup(value); + } + } else { + root = malloc(sizeof(struct node_s)); + root->right = root->left = NULL; + root->key = strdup(key); + root->value = strdup(value); + } + return root; +} + +void yyerror(const char *x) +{ + fprintf(stderr, "line %d: %s\n", line, x); +} + +char *get_label(const char *label) +{ + const char *found = find_key(label_root, label); + + if (found) { + return strdup(found); + } + return NULL; +} + +void set_label(const char *label, const char *target) +{ + if (target == NULL) { + yyerror("no hanging value for label"); + target = ""; /* avoid trigraph warning */ + } + label_root = set_key(label_root, label, target); +} + +char *new_counter(const char *key) +{ + int i=0, j, ndollars = 0; + const char *old; + char *new; + + if (key[i++] != '#') { + yyerror("bad index"); + return strdup(""); /* avoid trigraph warning */ + } + + while (key[i] == '$') { + ++ndollars; + ++i; + } + + key += i; + old = find_key(counter_root, key); + new = malloc(20*ndollars); + + if (old) { + for (j=0; ndollars > 1 && old[j]; ) { + if (old[j++] == '.' && --ndollars <= 0) { + break; + } + } + if (j) { + strncpy(new, old, j); + } + if (old[j]) { + i = atoi(old+j); + } else { + new[j++] = '.'; + i = 0; + } + } else { + j=0; + while (--ndollars > 0) { + new[j++] = '0'; + new[j++] = '.'; + } + i = 0; + } + new[j] = '\0'; + sprintf(new+j, "%d", ++i); + + counter_root = set_key(counter_root, key, new); + + if (last_label) { + free(last_label); + } + last_label = strdup(new); + + return new; +} + +int +main(void) +{ + return yyparse(); +} diff --git a/doc/specs/parse_y.h b/doc/specs/parse_y.h new file mode 100644 index 0000000..7445ca8 --- /dev/null +++ b/doc/specs/parse_y.h @@ -0,0 +1,102 @@ +/* A Bison parser, made by GNU Bison 3.7.6. */ + +/* Bison interface for Yacc-like parsers in C + + Copyright (C) 1984, 1989-1990, 2000-2015, 2018-2021 Free Software Foundation, + Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* DO NOT RELY ON FEATURES THAT ARE NOT DOCUMENTED in the manual, + especially those whose name start with YY_ or yy_. They are + private implementation details that can be changed or removed. */ + +#ifndef YY_YY_PARSE_Y_H_INCLUDED +# define YY_YY_PARSE_Y_H_INCLUDED +/* Debug traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif +#if YYDEBUG +extern int yydebug; +#endif + +/* Token kinds. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + enum yytokentype + { + YYEMPTY = -2, + YYEOF = 0, /* "end of file" */ + YYerror = 256, /* error */ + YYUNDEF = 257, /* "invalid token" */ + NEW_COUNTER = 258, /* NEW_COUNTER */ + LABEL = 259, /* LABEL */ + HASH = 260, /* HASH */ + CHAR = 261, /* CHAR */ + NEWLINE = 262, /* NEWLINE */ + NO_INDENT = 263, /* NO_INDENT */ + RIGHT = 264 /* RIGHT */ + }; + typedef enum yytokentype yytoken_kind_t; +#endif +/* Token kinds. */ +#define YYEMPTY -2 +#define YYEOF 0 +#define YYerror 256 +#define YYUNDEF 257 +#define NEW_COUNTER 258 +#define LABEL 259 +#define HASH 260 +#define CHAR 261 +#define NEWLINE 262 +#define NO_INDENT 263 +#define RIGHT 264 + +/* Value type. */ +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +union YYSTYPE +{ +#line 27 "parse_y.y" + + int def; + char *string; + +#line 90 "parse_y.h" + +}; +typedef union YYSTYPE YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 +# define YYSTYPE_IS_DECLARED 1 +#endif + + +extern YYSTYPE yylval; + +int yyparse (void); + +#endif /* !YY_YY_PARSE_Y_H_INCLUDED */ diff --git a/doc/specs/parse_y.y b/doc/specs/parse_y.y new file mode 100644 index 0000000..b195f5d --- /dev/null +++ b/doc/specs/parse_y.y @@ -0,0 +1,297 @@ + +%{ +#ifdef HAVE_CONFIG_H +# include +#endif + +#include +#include +#include + +#define MAXLINE 1000 +#define INDENT_STRING " " +#define PAPER_WIDTH 74 + + int indent=0; + int line=1; + char *last_label=NULL; + + extern int yylex(void); + extern char *yytext; + extern void yyerror(const char *x); + extern char *get_label(const char *label); + extern void set_label(const char *label, const char *target); + char *new_counter(const char *key); +%} + +%union { + int def; + char *string; +} + +%token NEW_COUNTER LABEL HASH CHAR NEWLINE NO_INDENT RIGHT +%type stuff text + +%start doc + +%% + +doc: +| doc NEWLINE { + printf("\n"); + ++line; +} +| doc stuff NEWLINE { + if (strlen($2) > (PAPER_WIDTH-(indent ? strlen(INDENT_STRING):0))) { + yyerror("line too long"); + } + printf("%s%s\n", indent ? INDENT_STRING:"", $2); + free($2); + indent = 1; + ++line; +} +| doc stuff RIGHT stuff NEWLINE { + char fixed[PAPER_WIDTH+1]; + int len; + + len = PAPER_WIDTH-(strlen($2)+strlen($4)); + + if (len >= 0) { + memset(fixed, ' ', len); + fixed[len] = '\0'; + } else { + yyerror("line too wide"); + fixed[0] = '\0'; + } + printf("%s%s%s\n", $2, fixed, $4); + free($2); + free($4); + indent = 1; + ++line; +} +| doc stuff RIGHT stuff RIGHT stuff NEWLINE { + char fixed[PAPER_WIDTH+1]; + int len, l; + + len = PAPER_WIDTH-(strlen($2)+strlen($4)); + + if (len < 0) { + len = 0; + yyerror("line too wide"); + } + + l = len/2; + memset(fixed, ' ', l); + fixed[l] = '\0'; + printf("%s%s%s", $2, fixed, $4); + free($2); + free($4); + + l = (len+1)/2; + memset(fixed, ' ', l); + fixed[l] = '\0'; + printf("%s%s\n", fixed, $6); + free($6); + + indent = 1; + ++line; +} +| doc stuff RIGHT stuff RIGHT stuff NEWLINE { + char fixed[PAPER_WIDTH+1]; + int len, l; + + len = PAPER_WIDTH-(strlen($2)+strlen($4)); + + if (len < 0) { + len = 0; + yyerror("line too wide"); + } + + l = len/2; + memset(fixed, ' ', l); + fixed[l] = '\0'; + printf("%s%s%s", $2, fixed, $4); + free($2); + free($4); + + l = (len+1)/2; + memset(fixed, ' ', l); + fixed[l] = '\0'; + printf("%s%s\n", fixed, $6); + free($6); + + indent = 1; + ++line; +} +; + +stuff: { + $$ = strdup(""); +} +| stuff text { + $$ = malloc(strlen($1)+strlen($2)+1); + sprintf($$,"%s%s", $1, $2); + free($1); + free($2); +} +; + +text: CHAR { + $$ = strdup(yytext); +} +| text CHAR { + $$ = malloc(strlen($1)+2); + sprintf($$,"%s%s", $1, yytext); + free($1); +} +| NO_INDENT { + $$ = strdup(""); + indent = 0; +} +| HASH { + $$ = strdup("#"); +} +| LABEL { + if (($$ = get_label(yytext)) == NULL) { + set_label(yytext, last_label); + $$ = strdup(""); + } +} +| NEW_COUNTER { + $$ = new_counter(yytext); +} +; + +%% + +typedef struct node_s { + struct node_s *left, *right; + const char *key; + char *value; +} *node_t; + +node_t label_root = NULL; +node_t counter_root = NULL; + +static const char *find_key(node_t root, const char *key) +{ + while (root) { + int cmp = strcmp(key, root->key); + + if (cmp > 0) { + root = root->right; + } else if (cmp) { + root = root->left; + } else { + return root->value; + } + } + return NULL; +} + +static node_t set_key(node_t root, const char *key, const char *value) +{ + if (root) { + int cmp = strcmp(key, root->key); + if (cmp > 0) { + root->right = set_key(root->right, key, value); + } else if (cmp) { + root->left = set_key(root->left, key, value); + } else { + free(root->value); + root->value = strdup(value); + } + } else { + root = malloc(sizeof(struct node_s)); + root->right = root->left = NULL; + root->key = strdup(key); + root->value = strdup(value); + } + return root; +} + +void yyerror(const char *x) +{ + fprintf(stderr, "line %d: %s\n", line, x); +} + +char *get_label(const char *label) +{ + const char *found = find_key(label_root, label); + + if (found) { + return strdup(found); + } + return NULL; +} + +void set_label(const char *label, const char *target) +{ + if (target == NULL) { + yyerror("no hanging value for label"); + target = ""; /* avoid trigraph warning */ + } + label_root = set_key(label_root, label, target); +} + +char *new_counter(const char *key) +{ + int i=0, j, ndollars = 0; + const char *old; + char *new; + + if (key[i++] != '#') { + yyerror("bad index"); + return strdup(""); /* avoid trigraph warning */ + } + + while (key[i] == '$') { + ++ndollars; + ++i; + } + + key += i; + old = find_key(counter_root, key); + new = malloc(20*ndollars); + + if (old) { + for (j=0; ndollars > 1 && old[j]; ) { + if (old[j++] == '.' && --ndollars <= 0) { + break; + } + } + if (j) { + strncpy(new, old, j); + } + if (old[j]) { + i = atoi(old+j); + } else { + new[j++] = '.'; + i = 0; + } + } else { + j=0; + while (--ndollars > 0) { + new[j++] = '0'; + new[j++] = '.'; + } + i = 0; + } + new[j] = '\0'; + sprintf(new+j, "%d", ++i); + + counter_root = set_key(counter_root, key, new); + + if (last_label) { + free(last_label); + } + last_label = strdup(new); + + return new; +} + +int +main(void) +{ + return yyparse(); +} diff --git a/doc/specs/rfc86.0.txt b/doc/specs/rfc86.0.txt new file mode 100644 index 0000000..b8c635a --- /dev/null +++ b/doc/specs/rfc86.0.txt @@ -0,0 +1,1845 @@ + + + + + + + + + Open Software Foundation V. Samar (SunSoft) + Request For Comments: 86.0 R. Schemers (SunSoft) + October 1995 + + + + UNIFIED LOGIN WITH + PLUGGABLE AUTHENTICATION MODULES (PAM) + + + 1. INTRODUCTION + + Since low-level authentication mechanisms constantly evolve, it is + important to shield the high-level consumers of these mechanisms + (system-entry services and users) from such low-level changes. With + the Pluggable Authentication Module (PAM) framework, we can provide + pluggability for a variety of system-entry services -- not just + system authentication _per se_, but also for account, session and + password management. PAM's ability to _stack_ authentication modules + can be used to integrate `login' with different authentication + mechanisms such as RSA, DCE, and Kerberos, and thus unify login + mechanisms. The PAM framework can also provide easy integration of + smart cards into the system. + + Modular design and pluggability have become important for users who + want ease of use. In the PC hardware arena, no one wants to set the + interrupt vector numbers or resolve the addressing conflict between + various devices. In the software arena, people also want to be able + to replace components easily for easy customization, maintenance, and + upgrades. + + Authentication software deserves special attention because + authentication forms a very critical component of any secure computer + system. The authentication infrastructure and its components may + have to be modified or replaced either because some deficiencies have + been found in the current algorithms, or because sites want to + enforce a different security policy than what was provided by the + system vendor. The replacement and modification should be done in + such a way that the user is not affected by these changes. + + The solution has to address not just how the applications use the new + authentication mechanisms in a generic fashion, but also how the user + will be authenticated to these mechanisms in a generic way. The + former is addressed by GSS-API [Linn 93], while this RFC addresses + the later; these two efforts are complementary to each other. + + Since most system-entry services (for example, `login', `dtlogin', + `rlogin', `ftp', `rsh') may want to be independent of the specific + authentication mechanisms used by the machine, it is important that + there be a framework for _plugging_ in various mechanisms. This + requires that the system applications use a standard API to interact + + + + Samar, Schemers Page 1 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + with the authentication services. If these system-entry services + remain independent of the actual mechanism used on that machine, the + system administrator can install suitable authentication modules + without requiring changes to these applications. + + For any security system to be successful, it has to be easy to use. + In the case of authentication, the single most important ease-of-use + characteristic is that the user should not be required to learn about + various ways of authentication and remember multiple passwords. + Ideally, there should be one all-encompassing authentication system + where there is only one password, but for heterogeneous sites, + multiple authentication mechanisms have to co-exist. The problem of + integrating multiple authentication mechanisms such as Kerberos + [Steiner 88], RSA [Rivest 78], and Diffie-Hellman [Diffie 76, Taylor + 88], is also referred to as _integrated login_, or _unified login_ + problem. Even if the user has to use multiple authentication + mechanisms, the user should not be forced to type multiple passwords. + Furthermore, the user should be able to use the new network identity + without taking any further actions. The key here is in modular + integration of the network authentication technologies with `login' + and other system-entry services. + + In this RFC we discuss the architecture and design of pluggable + authentication modules. This design gives the capability to use + field-replaceable authentication modules along with unified login + capability. It thus provides for both _pluggability_ and _ease-of- + use_. + + The RFC is organized as follows. We first motivate the need for a + generic way to authenticate the user by various system-entry services + within the operating system. We describe the goals and constraints + of the design. This leads to the architecture, description of the + interfaces, and _stacking_ of modules to get unified login + functionality. We then describe our experience with the design, and + end with a description of future work. + + + 2. OVERVIEW OF IDENTIFICATION AND AUTHENTICATION MECHANISMS + + An identification and authentication ("I&A") mechanism is used to + establish a user's identity the system (i.e., to a local machine's + operating system) and to other principals on the network. On a + typical UNIX system, there are various ports of entry into the + system, such as `login', `dtlogin', `rlogin', `ftp', `rsh', `su', and + `telnet'. In all cases, the user has to be identified and + authenticated before granting appropriate access rights to the user. + The user identification and authentication for all these entry points + needs to be coordinated to ensure a secure system. + + In most of the current UNIX systems, the login mechanism is based + upon verification of the password using the modified DES algorithm. + + + + Samar, Schemers Page 2 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + The security of the implementation assumes that the password cannot + be guessed, and that the password does not go over the wire in the + clear. These assumptions, however, are not universally valid. + Various programs are now available freely on the Internet that can + run dictionary attack against the encrypted password. Further, some + of the network services (for example, `rlogin', `ftp', `telnet') send + the password over in clear, and there are "sniffer" programs freely + available to steal these passwords. The classical assumptions may be + acceptable on a trusted network, but in an open environment there is + a need to use more restrictive and stronger authentication + mechanisms. Examples of such mechanisms include Kerberos, RSA, + Diffie-Hellman, one-time password [Skey 94], and challenge-response + based smart card authentication systems. Since this list will + continue to evolve, it is important that the system-entry services do + not have hard-coded dependencies on any of these authentication + mechanisms. + + + 3. DESIGN GOALS + + The goals of the PAM framework are as follows: + + (a) The system administrator should be able to choose the default + authentication mechanism for the machine. This can range from + a simple password-based mechanism to a biometric or a smart + card based system. + + (b) It should be possible to configure the user authentication + mechanism on a per application basis. For example, a site may + require S/Key password authentication for `telnet' access, + while allowing machine `login' sessions with just UNIX password + authentication. + + (c) The framework should support the display requirements of the + applications. For example, for a graphical login session such + as `dtlogin', the user name and the password may have to be + entered in a new window. For networking system-entry + applications such as `ftp' and `telnet', the user name and + password has to be transmitted over the network to the client + machine. + + (d) It should be possible to configure multiple authentication + protocols for each of those applications. For example, one may + want the users to get authenticated by both Kerberos and RSA + authentication systems. + + (e) The system administrator should be able to _stack_ multiple + user authentication mechanisms such that the user is + authenticated with all authentication protocols without + retyping the password. + + + + + Samar, Schemers Page 3 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + (f) The architecture should allow for multiple passwords if + necessary to achieve higher security for users with specific + security requirements. + + (g) The system-entry services should not be required to change when + the underlying mechanism changes. This can be very useful for + third-party developers because they often do not have the + source code for these services. + + (h) The architecture should provide for a _pluggable_ model for + system authentication, as well as for other related tasks such + as password, account, and session management. + + (i) For backward-compatibility reasons, the PAM API should support + the authentication requirements of the current system-entry + services. + + There are certain issues that the PAM framework does not specifically + address: + + (a) We focus only on providing a generic scheme through which users + use passwords to establish their identities to the machine. + Once the identity is established, how the identity is + communicated to other interested parties is outside the scope + of this design. There are efforts underway at IETF [Linn 93] + to develop a Generic Security Services Application Interface + (GSSAPI) that can be used by applications for secure and + authenticated communication without knowing the underlying + mechanism. + + (b) The _single-signon_ problem of securely transferring the + identity of the caller to a remote site is not addressed. For + example, the problem of delegating credentials from the + `rlogin' client to the other machine without typing the + password is not addressed by our work. We also do not address + the problem of sending the passwords over the network in the + clear. + + (c) We do not address the source of information obtained from the + "`getXbyY()'" family of calls (e.g., `getpwnam()'). Different + operating systems address this problem differently. For + example, Solaris uses the name service switch (NSS) to + determine the source of information for the "`getXbyY()'" + calls. It is expected that data which is stored in multiple + sources (such as passwd entries in NIS+ and the DCE registry) + is kept in sync using the appropriate commands (such as + `passwd_export'). + + + + + + + + Samar, Schemers Page 4 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + 4. OVERVIEW OF THE PAM FRAMEWORK + + We propose that the goals listed above can be met through a framework + in which authentication modules can be _plugged_ independently of the + application. We call this the _Pluggable Authentication Modules_ + (PAM) framework. + + The core components of the PAM framework are the authentication + library API (the front end) and the authentication mechanism-specific + modules (the back end), connected through the Service Provider + Interface (SPI). Applications write to the PAM API, while the + authentication-system providers write to the PAM SPI and supply the + back end modules that are independent of the application. + + ftp telnet login (Applications) + | | | + | | | + +--------+--------+ + | + +-----+-----+ + | PAM API | <-- pam.conf file + +-----+-----+ + | + +--------+--------+ + UNIX Kerberos Smart Cards (Mechanisms) + + Figure 1: The Basic PAM Architecture + + Figure 1 illustrates the relationship between the application, the + PAM library, and the authentication modules. Three applications + (`login', `telnet' and `ftp') are shown which use the PAM + authentication interfaces. When an application makes a call to the + PAM API, it loads the appropriate authentication module as determined + by the configuration file, `pam.conf'. The request is forwarded to + the underlying authentication module (for example, UNIX password, + Kerberos, smart cards) to perform the specified operation. The PAM + layer then returns the response from the authentication module to the + application. + + PAM unifies system authentication and access control for the system, + and allows plugging of associated authentication modules through well + defined interfaces. The plugging can be defined through various + means, one of which uses a configuration file, such as the one in + Table 1. For each of the system applications, the file specifies the + authentication module that should be loaded. In the example below, + `login' uses the UNIX password module, while `ftp' and `telnet' use + the S/Key module. + + + + + + + + Samar, Schemers Page 5 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + Table 1: A Simplified View of a Sample PAM Configuration File. + + service module_path + ------- ----------- + login pam_unix.so + ftp pam_skey.so + telnet pam_skey.so + + Authentication configuration is only one aspect of this interface. + Other critical components include account management, session + management, and password management. For example, the `login' + program may want to verify not only the password but also whether the + account has aged or expired. Generic interfaces also need to be + provided so that the password can be changed according to the + requirements of the module. Furthermore, the application may want to + log information about the current session as determined by the + module. + + Not all applications or services may need all of the above + components, and not each authentication module may need to provide + support for all of the interfaces. For example, while `login' may + need access to all four components, `su' may need access to just the + authentication component. Some applications may use some specific + authentication and password management modules but share the account + and session management modules with others. + + This reasoning leads to a partitioning of the entire set of + interfaces into four areas of functionality: (1) authentication, (2) + account, (3) session, and (4) password. The concept of PAM was + extended to these functional areas by implementing each of them as a + separate pluggable module. + + Breaking the functionality into four modules helps the module + providers because they can use the system-provided libraries for the + modules that they are not changing. For example, if a supplier wants + to provide a better version of Kerberos, they can just provide that + new authentication and password module, and reuse the existing ones + for account and session. + + 4.1. Module Description + + More details on specific API's are described in Appendix A. A brief + description of four modules follows: + + (a) Authentication management: This set includes the + `pam_authenticate()' function to authenticate the user, and the + `pam_setcred()' interface to set, refresh or destroy the user + credentials. + + (b) Account management: This set includes the `pam_acct_mgmt()' + function to check whether the authenticated user should be + + + + Samar, Schemers Page 6 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + given access to his/her account. This function can implement + account expiration and access hour restrictions. + + (c) Session management: This set includes the `pam_open_session()' + and `pam_close_session()' functions for session management and + accounting. For example, the system may want to store the + total time for the session. + + (d) Password management: This set includes a function, + `pam_chauthtok()', to change the password. + + + 5. FRAMEWORK INTERFACES + + The PAM framework further provides a set of administrative interfaces + to support the above modules and to provide for application-module + communication. There is no corresponding service provider interface + (SPI) for such functions. + + 5.1. Administrative Interfaces + + Each set of PAM transactions starts with `pam_start()' and ends with + the `pam_end()' function. The interfaces `pam_get_item()' and + `pam_set_item()' are used to read and write the state information + associated with the PAM transaction. + + If there is any error with any of the PAM interfaces, the error + message can be printed with `pam_strerror()'. + + 5.2. Application-Module Communication + + During application initialization, certain data such as the user name + is saved in the PAM framework layer through `pam_start()' so that it + can be used by the underlying modules. The application can also pass + opaque data to the module which the modules will pass back while + communicating with the user. + + 5.3. User-Module Communication + + The `pam_start()' function also passes conversation function that has + to be used by the underlying modules to read and write module + specific authentication information. For example, these functions + can be used to prompt the user for the password in a way determined + by the application. PAM can thus be used by graphical, non- + graphical, or networked applications. + + + + + + + + + + Samar, Schemers Page 7 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + 5.4. Inter-Module Communication + + Though the modules are independent, they can share certain common + information about the authentication session such as user name, + service name, password, and conversation function through the + `pam_get_item()' and `pam_set_item()' interfaces. These API's can + also be used by the application to change the state information after + having called `pam_start()' once. + + 5.5. Module State Information + + The PAM service modules may want to keep certain module-specific + state information about the session. The interfaces `pam_get_data()' + and `pam_set_data()' can be used by the service modules to access and + update module-specific information as needed from the PAM handle. + The modules can also attach a cleanup function with the data. The + cleanup function is executed when `pam_end()' is called to indicate + the end of the current authentication activity. + + Since the PAM modules are loaded upon demand, there is no direct + module initialization support in the PAM framework. If there are + certain initialization tasks that the PAM service modules have to do, + they should be done upon the first invocation. However, if there are + certain clean-up tasks to be done when the authentication session + ends, the modules should use `pam_set_data()' to specify the clean-up + functions, which would be called when `pam_end()' is called by the + application. + + + 6. MODULE CONFIGURATION MANAGEMENT + + Table 2 shows an example of a configuration file `pam.conf' with + support for authentication, session, account, and password management + modules. `login' has three entries: one each for authentication + processing, session management and account management. Each entry + specifies the module name that should be loaded for the given module + type. In this example, the `ftp' service uses the authentication and + session modules. Note that all services here share the same session + management module, while having different authentication modules. + + + + + + + + + + + + + + + + Samar, Schemers Page 8 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + Table 2: Configuration File (pam.conf) with Different Modules + and Control Flow + + service module_type control_flag module_path options + ------- ----------- ------------ ----------- ------- + login auth required pam_unix_auth.so nowarn + login session required pam_unix_session.so + login account required pam_unix_account.so + ftp auth required pam_skey_auth.so debug + ftp session required pam_unix_session.so + telnet session required pam_unix_session.so + login password required pam_unix_passwd.so + passwd password required pam_unix_passwd.so + OTHER auth required pam_unix_auth.so + OTHER session required pam_unix_session.so + OTHER account required pam_unix_account.so + + The first field, _service_, denotes the service (for example, + `login', `passwd', `rlogin'). The name `OTHER' indicates the module + used by all other applications that have not been specified in this + file. This name can also be used if all services have the same + requirements. In the example, since all the services use the same + session module, we could have replaced those lines with a single + `OTHER' line. + + The second field, _module_type_, indicates the type of the PAM + functional module. It can be one of `auth', `account', `session', or + `password' modules. + + The third field, _control_flag_ determines the behavior of stacking + multiple modules by specifying whether any particular module is + _required_, _sufficient_, or _optional_. The next section describes + stacking in more detail. + + The fourth field, _module_path_, specifies the location of the + module. The PAM framework loads this module upon demand to invoke + the required function. + + The fifth field, _options_, is used by the PAM framework layer to + pass module specific options to the modules. It is up to the module + to parse and interpret the options. This field can be used by the + modules to turn on debugging or to pass any module specific + parameters such as a timeout value. It is also used to support + unified login as described below. The options field can be used by + the system administrator to fine-tune the PAM modules. + + If any of the fields are invalid, or if a module is not found, that + line is ignored and the error is logged as a critical error via + `syslog(3)'. If no entries are found for the given module type, then + the PAM framework returns an error to the application. + + + + + Samar, Schemers Page 9 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + 7. INTEGRATING MULTIPLE AUTHENTICATION SERVICES WITH STACKING + + In the world of heterogeneous systems, the system administrator often + has to deal with the problem of integrating multiple authentication + mechanisms. The user is often required to know about the + authentication command of the new authentication module (for example, + `kinit', `dce_login') after logging into the system. This is not + user-friendly because it forces people to remember to type the new + command and enter the new password. This functionality should be + invisible instead of burdening the user with it. + + There are two problems to be addressed here: + + (a) Supporting multiple authentication mechanisms. + + (b) Providing unified login in the presence of multiple mechanisms. + + In the previous section, we described how one could replace the + default authentication module with any other module of choice. Now + we demonstrate how the same model can be extended to provide support + for multiple modules. + + 7.1. Design for Stacked Modules + + One possibility was to provide hard-coded rules in `login' or other + applications requiring authentication services [Adamson 95]. But + this becomes very specific to the particular combination of + authentication protocols, and also requires the source code of the + application. Digital's Security Integration Architecture [SIA 95] + addresses this problem by specifying the same list of authentication + modules for all applications. Since requirements for various + applications can vary, it is essential that the configuration be on a + per-application basis. + + To support multiple authentication mechanisms, the PAM framework was + extended to support _stacking_. When any API is called, the back + ends for the stacked modules are invoked in the order listed, and the + result returned to the caller. In Figure 2, the authentication + service of `login' is stacked and the user is authenticated by UNIX, + Kerberos, and RSA authentication mechanisms. Note that in this + example, there is no stacking for session or account management + modules. + + + + + + + + + + + + + Samar, Schemers Page 10 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + login + | + +--------+--------+ + | | | + session auth account + | | | + +--+--+ +--+--+ +--+--+ + | PAM | | PAM | | PAM | + +--+--+ +--+--+ +--+--+ + | | | + UNIX UNIX UNIX + session auth account + | + Kerberos + auth + | + RSA + auth + + Figure 2: Stacking With the PAM Architecture + + Stacking is specified through additional entries in the configuration + file shown earlier. As shown in Table 2, for each application (such + as `login') the configuration file can specify multiple mechanisms + that have to be invoked in the specified order. When mechanisms + fail, the _control_flag_ decides which error should be returned to + the application. Since the user should not know which authentication + module failed when a bad password was typed, the PAM framework + continues to call other authentication modules on the stack even on + failure. The semantics of the control flag are as follows: + + (a) `required': With this flag, the module failure results in the + PAM framework returning the error to the caller _after_ + executing all other modules on the stack. For the function to + be able to return success to the application all `required' + modules have to report success. This flag is normally set when + authentication by this module is a _must_. + + (b) `optional': With this flag, the PAM framework ignores the + module failure and continues with the processing of the next + module in sequence. This flag is used when the user is allowed + to login even if that particular module has failed. + + (c) `sufficient': With this flag, if the module succeeds the PAM + framework returns success to the application immediately + without trying any other modules. For failure cases, the + _sufficient_ modules are treated as `optional'. + + Table 3 shows a sample configuration file that stacks the `login' + command. Here the user is authenticated by UNIX, Kerberos, and RSA + authentication services. The `required' key word for _control_flag_ + + + + Samar, Schemers Page 11 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + enforces that the user is allowed to login only if he/she is + authenticated by _both_ UNIX and Kerberos services. RSA + authentication is optional by virtue of the `optional' key word in + the _control_flag_ field. The user can still log in even if RSA + authentication fails. + + Table 3: PAM Configuration File with Support for Stacking + + service module_type control_flag module_path options + ------- ----------- ------------ ----------- ------- + login auth required pam_unix.so debug + login auth required pam_kerb.so use_mapped_pass + login auth optional pam_rsa.so use_first_pass + + Table 4 illustrates the use of the sufficient flag for the `rlogin' + service. The Berkeley `rlogin' protocol specifies that if the remote + host is trusted (as specified in the `/etc/hosts.equiv' file or in + the `.rhosts' file in the home directory of the user), then the + `rlogin' daemon should not require the user to type the password. If + this is not the case, then the user is required to type the password. + Instead of hard coding this policy in the `rlogin' daemon, this can + be expressed with the `pam.conf' file in Table 4. The PAM module + `pam_rhosts_auth.so.1' implements the `.rhosts' policy described + above. If a site administrator wants to enable remote login with + only passwords, then the first line should be deleted. + + Table 4: PAM Configuration File for the rlogin service + + service module_type control_flag module_path options + ------- ----------- ------------ ----------- ------- + rlogin auth sufficient pam_rhosts_auth.so + rlogin auth required pam_unix.so + + 7.2. Password-Mapping + + Multiple authentication mechanisms on a machine can lead to multiple + passwords that users have to remember. One attractive solution from + the ease-of-use viewpoint is to use the same password for all + mechanisms. This, however, can also weaken the security because if + that password were to be compromised in any of the multiple + mechanisms, all mechanisms would be compromised at the same time. + Furthermore, different authentication mechanisms may have their own + distinctive password requirements in regards to its length, allowed + characters, time interval between updates, aging, locking, and so + forth. These requirements make it problematic to use the same + password for multiple authentication mechanisms. + + The solution we propose, while not precluding use of the same + password for every mechanism, allows for a different password for + each mechanism through what we call _password-mapping_. This + basically means using the user's _primary_ password to encrypt the + + + + Samar, Schemers Page 12 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + user's other (_secondary_) passwords, and storing these encrypted + passwords in a place where they are available to the user. Once the + primary password is verified, the authentication modules would obtain + the other passwords for their own mechanisms by decrypting the + mechanism-specific encrypted password with the primary password, and + passing it to the authentication service. The security of this + design for password-mapping assumes that the primary password is the + user's strongest password, in terms of its unguessability (length, + type and mix of characters used, etc.). + + If there is any error in password-mapping, or if the mapping does not + exist, the user will be prompted for the password by each + authentication module. + + To support password-mapping, the PAM framework saves the primary + password and provides it to stacked authentication modules. The + password is cleared out before the `pam_authenticate' function + returns. + + How the password is encrypted depends completely on the module + implementation. The encrypted secondary password (also called a + "mapped password") can be stored in a trusted or untrusted place, + such as a smart card, a local file, or a directory service. If the + encrypted passwords are stored in an untrusted publicly accessible + place, this does provide an intruder with opportunities for potential + dictionary attack. + + Though password-mapping is voluntary, it is recommended that all + module providers add support for the following four mapping options: + + (a) `use_first_pass': Use the same password used by the first + mechanism that asked for a password. The module should not ask + for the password if the user cannot be authenticated by the + first password. This option is normally used when the system + administrator wants to enforce the same password across + multiple modules. + + (b) `try_first_pass': This is the same as `use_first_pass', except + that if the primary password is not valid, it should prompt the + user for the password. + + (c) `use_mapped_pass': Use the password-mapping scheme to get the + actual password for this module. One possible implementation + is to get the mapped-password using the XFN API [XFN 94], and + decrypt it with the primary password to get the module-specific + password. The module should not ask for the password if the + user cannot be authenticated by the first password. The XFN + API allows user-defined attributes (such as _mapped-password_) + to be stored in the _user-context_. Using the XFN API is + particularly attractive because support for the XFN may be + found on many systems in the future. + + + + Samar, Schemers Page 13 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + (d) `try_mapped_pass': This is the same as `use_mapped_pass', + except that if the primary password is not valid, it should + prompt the user for the password. + + When passwords get updated, the PAM framework stores both the old as + well as the new password to be able to inform other dependent + authentication modules about the change. Other modules can use this + information to update the encrypted password without forcing the user + to type the sequence of passwords again. The PAM framework clears + out the passwords before returning to the application. + + Table 3 illustrates how the same password can be used by `login' for + authenticating to the standard UNIX login, Kerberos and RSA services. + Once the user has been authenticated to the primary authentication + service (UNIX `login' in this example) with the primary password, the + option `use_mapped_pass' indicates to the Kerberos module that it + should use the primary password to decrypt the stored Kerberos + password and then use the Kerberos password to get the ticket for the + ticket-granting-service. After that succeeds, the option + `use_first_pass' indicates to the RSA module that instead of + prompting the user for a password, it should use the primary password + typed earlier for authenticating the user. Note that in this + scenario, the user has to enter the password just once. + + Note that if a one-time password scheme (e.g., S/Key) is used, + password mapping cannot apply. + + 7.3. Implications of Stacking on the PAM Design + + Because of the stacking capability of PAM, we have designed the PAM + API's to not return any data to the application, except status. If + this were not the case, it would be difficult for the PAM framework + to decide which module should return data to the application. When + there is any error, the application does not know which of the + modules failed. This behavior enables (even requires) the + application to be completely independent from the modules. + + Another design decision we have made is that PAM gives only the user + name to all the underlying PAM modules, hence it is the + responsibility of the PAM modules to convert the name to their own + internal format. For example, the Kerberos module may have to + convert the UNIX user name to a Kerberos principal name. + + Stacking also forces the modules to be designed such that they can + occur anywhere in the stack without any side-effects. + + Since modules such as the authentication and the password module are + very closely related, it is important they be configured in the same + order and with compatible options. + + + + + + Samar, Schemers Page 14 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + 8. INTEGRATION WITH SMART CARDS + + Many networking authentication protocols require possession of a long + key to establish the user identity. For ease-of-use reasons, that + long key is normally encrypted with the user's password so that the + user is not required to memorize it. However, weak passwords can be + compromised through a dictionary attack and thus undermine the + stronger network authentication mechanism. Furthermore, the + encrypted data is normally stored in a centrally accessible service + whose availability depends upon the reliability of the associated + service. Solutions have been proposed to use a pass-phrase or one- + time-password, but those are much longer than the regular eight + character passwords traditionally used with UNIX `login'. This makes + the solution user-unfriendly because it requires longer strings to be + remembered and typed. + + For most authentication protocol implementations, the trust boundary + is the local machine. This assumption may not be valid in cases + where the user is mobile and has to use publicly available networked + computers. In such cases, it is required that the clear text of the + key or the password never be made available to the machine. + + Smart cards solve the above problems by reducing password exposure by + supporting a _two factor_ authentication mechanism: the first with + the possession of the card, and the second with the knowledge of the + PIN associated with the card. Not only can the smart cards be a + secure repository of multiple passwords, they can also provide the + encryption and authentication functions such that the long (private) + key is never exposed outside the card. + + The PAM framework allows for integrating smart cards to the system by + providing a smart card specific module for authentication. + Furthermore, the unified login problem is simplified because the + multiple passwords for various authentication mechanisms can be + stored on the smart card itself. This can be enabled by adding a + suitable key-word such as `use_smart_card' in the _options_ field. + + + 9. SECURITY ISSUES + + It is important to understand the impact of PAM on the security of + any system so that the site-administrator can make an informed + decision. + + (a) Sharing of passwords with multiple authentication mechanisms. + + If there are multiple authentication modules, one possibility + is to use the same password for all of them. If the password + for any of the multiple authentication system is compromised, + the user's password in all systems would be compromised. If + this is a concern, then multiple passwords might be considered + + + + Samar, Schemers Page 15 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + at the cost of ease-of-use. + + (b) Password-mapping. + + This technique of encrypting all other passwords with the + primary password assumes that it is lot more difficult to crack + the primary password and that reasonable steps have been taken + to ensure limited availability of the encrypted primary + password. If this is not done, an intruder could target the + primary password as the first point of dictionary attack. If + one of the other modules provide stronger security than the + password based security, the site would be negating the strong + security by using password-mapping. If this is a concern, then + multiple passwords might be considered at the cost of ease-of- + use. If smart cards are used, they obviate the need for + password-mapping completely. + + (c) Security of the configuration file. + + Since the policy file dictates how the user is authenticated, + this file should be protected from unauthorized modifications. + + (d) Stacking various PAM modules. + + The system administrator should fully understand the + implications of stacking various modules that will be installed + on the system and their respective orders and interactions. + The composition of various authentication modules should be + carefully examined. The trusted computing base of the machine + now includes the PAM modules. + + + 10. EXPERIENCE WITH PAM + + The PAM framework was first added in Solaris 2.3 release as a private + internal interface. PAM is currently being used by several system + entry applications such as `login', `passwd', `su', `dtlogin', + `rlogind', `rshd', `telnetd', `ftpd', `in.rexecd', `uucpd', `init', + `sac', and `ttymon'. We have found that PAM provides an excellent + framework to encapsulate the authentication-related tasks for the + entire system. The Solaris 2.3 PAM API's were hence enhanced and + simplified to support stacking. + + PAM modules have been developed for UNIX, DCE, Kerberos, S/Key, + remote user authentication, and dialpass authentication. Other PAM + modules are under development, and integration with smart cards is + being planned. + + Some third parties have used the PAM interface to extend the security + mechanisms offered by the Solaris environment. + + + + + Samar, Schemers Page 16 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + The PAM API has been accepted by Common Desktop Environment (CDE) + vendors as the API to be used for integrating the graphical interface + for login, `dtlogin' with multiple authentication mechanisms. + + + 11. FUTURE WORK + + Amongst the various components of PAM, the password component needs + to be carefully examined to see whether the stacking semantics are + particularly applicable, and how PAM should deal with partial + failures when changing passwords. + + The _control_flag_ of the configuration file can be extended to + include other semantics. For example, if the error is "name service + not available", one may want to retry. It is also possible to offer + semantics of "return success if any of the modules return success". + + In an earlier section, we had mentioned integration of smart cards + with PAM. Though we feel that integration should be straight forward + from the PAM architecture point of view, there may be some issues + with implementation because the interfaces to the smart cards have + not yet been standardized. + + One possible extension to PAM is to allow the passing of module- + specific data between applications and PAM modules. For example, the + `login' program likes to build its new environment from a select list + of variables, yet the DCE module needs the `KRB5CCNAME' variable to + be exported to the child process. For now we have modified the + `login' program to explicitly export the `KRB5CCNAME' variable. + + Administrative tools are needed to help system administrators modify + `pam.conf', and perform sanity checks on it (i.e., a `pam_check' + utility). + + + 12. CONCLUSION + + The PAM framework and the module interfaces provide pluggability for + user authentication, as well as for account, session and password + management. The PAM architecture can be used by `login' and by all + other system-entry services, and thus ensure that all entry points + for the system have been secured. This architecture enables + replacement and modification of authentication modules in the field + to secure the system against the newly found weaknesses without + changing any of the system services. + + The PAM framework can be used to integrate `login' and `dtlogin' with + different authentication mechanisms such as RSA and Kerberos. + Multiple authentication systems can be accessed with the same + password. The PAM framework also provides easy integration of smart + cards into the system. + + + + Samar, Schemers Page 17 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + PAM provides complementary functionality to GSS-API, in that it + provides mechanisms through which the user gets authenticated to any + new system-level authentication service on the machine. GSS-API then + uses the credentials for authenticated and secure communications with + other application-level service entities on the network. + + + 13. ACKNOWLEDGEMENTS + + PAM development has spanned several release cycles at SunSoft. + Shau-Ping Lo, Chuck Hickey, and Alex Choy did the first design and + implementation. Bill Shannon and Don Stephenson helped with the PAM + architecture. Rocky Wu prototyped stacking of multiple modules. + Paul Fronberg, Charlie Lai, and Roland Schemers made very significant + enhancements to the PAM interfaces and took the project to completion + within a very short time. Kathy Slattery wrote the PAM + documentation. John Perry integrated PAM within the CDE framework. + + + APPENDIX A. PAM API'S + + This appendix gives an informal description of the various interfaces + of PAM. Since the goal here is just for the reader to get a working + knowledge about the PAM interfaces, not all flags and options have + been fully defined and explained. The API's described here are + subject to change. + + The PAM Service Provider Interface is very similar to the PAM API, + except for one extra parameter to pass module-specific options to the + underlying modules. + + A.1. Framework Layer API's + + int + pam_start( + char *service_name, + char *user, + struct pam_conv *pam_conversation, + pam_handle_t **pamh + ); + + `pam_start()' is called to initiate an authentication transaction. + `pam_start()' takes as arguments the name of the service, the name of + the user to be authenticated, the address of the conversation + structure. `pamh' is later used as a handle for subsequent calls to + the PAM library. + + The PAM modules do not communicate directly with the user; instead + they rely on the application to perform all such interaction. The + application needs to provide the conversation functions, `conv()', + and associated application data pointers through a `pam_conv' + + + + Samar, Schemers Page 18 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + structure when it initiates an authentication transaction. The + module uses the `conv()' function to prompt the user for data, + display error messages, or text information. + + int + pam_end( + pam_handle_t *pamh, + int pam_status + ); + + `pam_end()' is called to terminate the PAM transaction as specified + by `pamh', and to free any storage area allocated by the PAM modules + with `pam_set_item()'. + + int + pam_set_item( + pam_handle_t *pamh, + int item_type, + void *item + ); + + int + pam_get_item( + pam_handle_t *pamh, + int item_type, + void **item); + + `pam_get_item()' and `pam_set_item()' allow the parameters specified + in the initial call to `pam_start()' to be read and updated. This is + useful when a particular parameter is not available when + `pam_start()' is called or must be modified after the initial call to + `pam_start()'. `pam_set_item()' is passed a pointer to the object, + `item', and its type, `item_type'. `pam_get_item()' is passed the + address of the pointer, `item', which is assigned the address of the + requested object. + + The `item_type' is one of the following: + + Table 5: Possible Values for Item_type + + Item Name Description + --------- ----------- + PAM_SERVICE The service name + PAM_USER The user name + PAM_TTY The tty name + PAM_RHOST The remote host name + PAM_CONV The pam_conv structure + PAM_AUTHTOK The authentication token (password) + PAM_OLDAUTHTOK The old authentication token + PAM_RUSER The remote user name + + + + + Samar, Schemers Page 19 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + Note that the values of `PAM_AUTHTOK' and `PAM_OLDAUTHTOK' are only + available to PAM modules and not to the applications. They are + explicitly cleared out by the framework before returning to the + application. + + char * + pam_strerror( + int errnum + ); + + `pam_strerror()' maps the error number to a PAM error message string, + and returns a pointer to that string. + + int + pam_set_data( + pam_handle_t *pamh, + char *module_data_name, + char *data, + (*cleanup)(pam_handle_t *pamh, char *data, + int error_status) + ); + + The `pam_set_data()' function stores module specific data within the + PAM handle. The `module_data_name' uniquely specifies the name to + which some data and cleanup callback function can be attached. The + cleanup function is called when `pam_end()' is invoked. + + int + pam_get_data( + pam_handle_t *pamh, + char *module_data_name, + void **datap + ); + + The `pam_get_data()' function obtains module-specific data from the + PAM handle stored previously by the `pam_get_data()' function. The + `module_data_name' uniquely specifies the name for which data has to + be obtained. This function is normally used to retrieve module + specific state information. + + A.2. Authentication API's + + int + pam_authenticate( + pam_handle_t *pamh, + int flags + ); + + The `pam_authenticate()' function is called to verify the identity of + the current user. The user is usually required to enter a password + or similar authentication token, depending upon the authentication + + + + Samar, Schemers Page 20 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + module configured with the system. The user in question is specified + by a prior call to `pam_start()', and is referenced by the + authentication handle, `pamh'. + + int + pam_setcred( + pam_handle_t *pamh, + int flags + ); + + The `pam_setcred()' function is called to set the credentials of the + current process associated with the authentication handle, `pamh'. + The actions that can be denoted through `flags' include credential + initialization, refresh, reinitialization and deletion. + + A.3. Account Management API + + int + pam_acct_mgmt( + pam_handle_t *pamh, + int flags + ); + + The function `pam_acct_mgmt()' is called to determine whether the + current user's account and password are valid. This typically + includes checking for password and account expiration, valid login + times, etc. The user in question is specified by a prior call to + `pam_start()', and is referenced by the authentication handle, + `pamh'. + + A.4. Session Management API's + + int + pam_open_session( + pam_handle_t *pamh, + int flags + ); + + `pam_open_session()' is called to inform the session modules that a + new session has been initialized. All programs which use PAM should + invoke `pam_open_session()' when beginning a new session. + + int + pam_close_session( + pam_handle_t *pamh, + int flags + ); + + Upon termination of this session, the `pam_close_session()' function + should be invoked to inform the underlying modules that the session + has terminated. + + + + Samar, Schemers Page 21 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + A.5. Password Management API's + + int + pam_chauthtok( + pam_handle_t *pamh, + int flags + ); + + `pam_chauthtok()' is called to change the authentication token + associated with the user referenced by the authentication handle + `pamh'. After the call, the authentication token of the user will be + changed in accordance with the authentication module configured on + the system. + + + APPENDIX B. SAMPLE PAM APPLICATION + + This appendix shows a sample `login' application which uses the PAM + API's. It is not meant to be a fully functional login program, as + some functionality has been left out in order to emphasize the use of + PAM API's. + + #include + + static int login_conv(int num_msg, struct pam_message **msg, + struct pam_response **response, void *appdata_ptr); + + static struct pam_conv pam_conv = {login_conv, NULL}; + + static pam_handle_t *pamh; /* Authentication handle */ + + void + main(int argc, char *argv[], char **renvp) + { + + /* + * Call pam_start to initiate a PAM authentication operation + */ + + if ((pam_start("login", user_name, &pam_conv, &pamh)) + != PAM_SUCCESS) + login_exit(1); + + pam_set_item(pamh, PAM_TTY, ttyn); + pam_set_item(pamh, PAM_RHOST, remote_host); + + while (!authenticated && retry < MAX_RETRIES) { + status = pam_authenticate(pamh, 0); + authenticated = (status == PAM_SUCCESS); + } + + + + + Samar, Schemers Page 22 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + if (status != PAM_SUCCESS) { + fprintf(stderr,"error: %s\n", pam_strerror(status)); + login_exit(1); + } + + /* now check if the authenticated user is allowed to login. */ + + if ((status = pam_acct_mgmt(pamh, 0)) != PAM_SUCCESS) { + if (status == PAM_AUTHTOK_EXPIRED) { + status = pam_chauthtok(pamh, 0); + if (status != PAM_SUCCESS) + login_exit(1); + } else { + login_exit(1); + } + } + + /* + * call pam_open_session to open the authenticated session + * pam_close_session gets called by the process that + * cleans up the utmp entry (i.e., init) + */ + if (status = pam_open_session(pamh, 0) != PAM_SUCCESS) { + login_exit(status); + } + + /* set up the process credentials */ + setgid(pwd->pw_gid); + + /* + * Initialize the supplementary group access list. + * This should be done before pam_setcred because + * the PAM modules might add groups during the pam_setcred call + */ + initgroups(user_name, pwd->pw_gid); + + status = pam_setcred(pamh, PAM_ESTABLISH_CRED); + if (status != PAM_SUCCESS) { + login_exit(status); + } + + /* set the real (and effective) UID */ + setuid(pwd->pw_uid); + + pam_end(pamh, PAM_SUCCESS); /* Done using PAM */ + + /* + * Add DCE/Kerberos cred name, if any. + * XXX - The module specific stuff should be removed from login + * program eventually. This is better placed in DCE module and + * will be once PAM has routines for "exporting" environment + + + + Samar, Schemers Page 23 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + * variables. + */ + krb5p = getenv("KRB5CCNAME"); + if (krb5p != NULL) { + ENVSTRNCAT(krb5ccname, krb5p); + envinit[basicenv++] = krb5ccname; + } + environ = envinit; /* Switch to the new environment. */ + exec_the_shell(); + + /* All done */ + } + + /* + * login_exit - Call exit() and terminate. + * This function is here for PAM so cleanup can + * be done before the process exits. + */ + static void + login_exit(int exit_code) + { + if (pamh) + pam_end(pamh, PAM_ABORT); + exit(exit_code); + /*NOTREACHED*/ + } + + /* + * login_conv(): + * This is the conv (conversation) function called from + * a PAM authentication module to print error messages + * or garner information from the user. + */ + + static int + login_conv(int num_msg, struct pam_message **msg, + struct pam_response **response, void *appdata_ptr) + { + + while (num_msg--) { + switch (m->msg_style) { + + case PAM_PROMPT_ECHO_OFF: + r->resp = strdup(getpass(m->msg)); + break; + + case PAM_PROMPT_ECHO_ON: + (void) fputs(m->msg, stdout); + r->resp = malloc(PAM_MAX_RESP_SIZE); + fgets(r->resp, PAM_MAX_RESP_SIZE, stdin); + /* add code here to remove \n from fputs */ + + + + Samar, Schemers Page 24 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + break; + + case PAM_ERROR_MSG: + (void) fputs(m->msg, stderr); + break; + + case PAM_TEXT_INFO: + (void) fputs(m->msg, stdout); + break; + + default: + /* add code here to log error message, etc */ + break; + } + } + return (PAM_SUCCESS); + } + + + APPENDIX C. DCE MODULE + + This appendix describes a sample implementation of a DCE PAM module. + In order to simplify the description, we do not address the issues + raised by password-mapping or stacking. The intent is to show which + DCE calls are being made by the DCE module. + + The `pam_sm_*()' functions implement the PAM SPI functions which are + called from the PAM API functions. + + C.1. DCE Authentication Management + + The algorithm for authenticating with DCE (not including error + checking, prompting for passwords, etc.) is as follows: + + pam_sm_authenticate() + { + sec_login_setup_identity(...); + pam_set_data(...); + sec_login_valid_and_cert_ident(...); + } + + pam_sm_setcred() + { + pam_get_data(...); + sec_login_set_context(...); + } + + The `pam_sm_authenticate()' function for DCE uses the + `pam_set_data()' and `pam_get_data()' functions to keep state (like + the `sec_login_handle_t' context) between calls. The following + cleanup function is also registered and gets called when `pam_end()' + + + + Samar, Schemers Page 25 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + is called: + + dce_cleanup() + { + if (/* PAM_SUCCESS and + sec_login_valid_and_cert_ident success */) { + sec_login_release_context(...); + } else { + sec_login_purge_context(...); + } + } + + If everything was successful we release the login context, but leave + the credentials file intact. If the status passed to `pam_end()' was + not `PAM_SUCCESS' (i.e., a required module failed) we purge the login + context which also removes the credentials file. + + C.2. DCE Account Management + + The algorithm for DCE account management is as follows: + + pam_sm_acct_mgmt() + { + pam_get_data(...); + sec_login_inquire_net_info(...); + /* check for expired password and account */ + sec_login_free_net_info(...); + } + + The `sec_login_inquire_net_info()' function is called to obtain + information about when the user's account and/or password are going + to expire. A warning message is displayed (using the conversation + function) if the user's account or password is going to expire in the + near future, or has expired. These warning messages can be disabled + using the `nowarn' option in the `pam.conf' file. + + C.3. DCE Session Management + + The DCE session management functions are currently empty. They could + be modified to optionally remove the DCE credentials file upon + logout, etc. + + C.4. DCE Password Management + + The algorithm for DCE password management is as follows: + + + + + + + + + + Samar, Schemers Page 26 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + pam_sm_chauthtok + { + sec_rgy_site_open(...); + sec_rgy_acct_lookup(...); + sec_rgy_acct_passwd(...); + sec_rgy_site_close(...); + } + + The `sec_rgy_acct_passwd()' function is called to change the user's + password in the DCE registry. + + + REFERENCES + + [Adamson 95] W. A. Adamson, J. Rees, and P. Honeyman, "Joining + Security Realms: A Single Login for Netware and + Kerberos", CITI Technical Report 95-1, Center for + Information Technology Integration, University of + Michigan, Ann Arbor, MI, February 1995. + + [Diffie 76] W. Diffie and M. E. Hellman, "New Directions in + Cryptography", IEEE Transactions on Information + Theory, November 1976. + + [Linn 93] J. Linn, "Generic Security Service Application + Programming Interface", Internet RFC 1508, 1509, 1993. + + [Rivest 78] R. L. Rivest, A. Shamir, and L. Adleman., "A Method + for Obtaining Digital Signatures and Pubic-key + Cryptosystems", Communications of the ACM, 21(2), + 1978. + + [SIA 95] "Digital UNIX Security", Digital Equipment + Corporation, Order Number AA-Q0R2C-TE, July 1995. + + [Skey 94] N. M. Haller, "The S/Key One-Time Password System", + ISOC Symposium on Network and Distributed Security, + 1994. + + [Steiner 88] J.G. Steiner, B. C. Neuman, and J. I. Schiller, + "Kerberos, An Authentication Service for Open Network + Systems", in Proceedings of the Winter USENIX + Conference, Dallas, Jan 1988. + + [Taylor 88] B. Taylor and D. Goldberg, "Secure Networking in the + Sun Environment", Sun Microsystems Technical Paper, + 1988. + + [XFN 94] "Federated Naming: the XFN Specifications", X/Open + Preliminary Specification, X/Open Document #P403, + ISBN:1-85912-045-8, X/Open Co. Ltd., July 1994. + + + + Samar, Schemers Page 27 + + + + + + + + OSF-RFC 86.0 PAM October 1995 + + + + AUTHOR'S ADDRESS + + Vipin Samar Internet email: vipin@eng.sun.com + SunSoft, Inc. Telephone: +1-415-336-1002 + 2550 Garcia Avenue + Mountain View, CA 94043 + USA + + Roland J. Schemers III Internet email: schemers@eng.sun.com + SunSoft, Inc. Telephone: +1-415-336-1035 + 2550 Garcia Avenue + Mountain View, CA 94043 + USA + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Samar, Schemers Page 28 diff --git a/doc/specs/std-agent-id.raw b/doc/specs/std-agent-id.raw new file mode 100644 index 0000000..d5fbdd5 --- /dev/null +++ b/doc/specs/std-agent-id.raw @@ -0,0 +1,95 @@ +PAM working group ## A.G. Morgan + +## $Id$ ## + +## Pluggable Authentication Modules ## + +## REGISTERED AGENTS AND THEIR AGENT-ID'S ## + +#$ Purpose of this document + +#$$#{definition} Definition of an agent-id + +The most complete version of a "PAM agent-id" is contained in this +reference [#$R#{PAM_RFC2}]. A copy of a recent definition is +reproduced here for convenience. The reader is recommended to consult +reference [#{PAM_RFC2}] for definitions of other terms that are +used in this document. + +## -------------- ## + +The agent_id is a sequence of characters satisfying the following +regexp: + + /^[a-z0-9\_]+(@[a-z0-9\_.]+)?$/ + +and has a specific form for each independent agent. + +o Agent_ids that do not contain an at-sign (@) are to be considered as + representing some authentication mode that is a "public + standard". Registered names MUST NOT contain an at-sign (@). + +o Anyone can define additional agents by using names in the format + name@domainname, e.g. "ouragent@example.com". The part following + the at-sign MUST be a valid fully qualified internet domain name + [RFC-1034] controlled by the person or organization defining the + name. (Said another way, if you control the email address that + your agent has as an identifier, they you are entitled to use + this identifier.) It is up to each domain how it manages its local + namespace. + +## -------------- ## + +#$ Registered agent-id's + +The structure of this section is a single subsection for each +registered agent-id. This section includes a full definition of binary +prompts accepted by the agent and example responses of said +agent. Using the defining section alone, it should be possible for a +third party to create a conforming agent and modules that can +interoperate with other implementations of these objects. + +*$ "userpass" - the user+password agent + +Many legacy authentication systems are hardcoded to support one and +only one authentication method. Namely, + + username: joe + password: + +Indeed, this authentication method is often embedded into parts of the +transport protocol. The "user+password" agent with PAM agent-id: + + "userpass" + +Is intended to support this legacy authentication scheme. The protocol +for binary prompt exchange with this 'standard agent' is as follows: + +Case 1: module does not know the username, but expects the agent to + obtain this information and also the user's password: + + module: {LENGTH;PAM_BP_SELECT;userpass;'/'} + agent: {} + +Case 2: module has suggested username, but would like agent to confirm + it and gather password: + + module: {} + agent: {} + +Case 3: module knows username and will not permit the agent to change it: + + module: {} + agent: {} + +#$ References + +[#{PAM_RFC2}] Internet draft, "Pluggable Authentication Modules + (PAM)", available here: + +# http://linux.kernel.org/pub/linux/libs/pam/pre/doc/current-draft.txt # + +#$ Author's Address + +Andrew G. 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distclean distclean-compile distclean-generic \ + distclean-libtool distclean-tags distdir dvi dvi-am html \ + html-am info info-am install install-am install-data \ + install-data-am install-dvi install-dvi-am install-exec \ + install-exec-am install-html install-html-am install-info \ + install-info-am install-man install-pdf install-pdf-am \ + install-ps install-ps-am install-strip installcheck \ + installcheck-am installdirs maintainer-clean \ + maintainer-clean-generic mostlyclean mostlyclean-compile \ + mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \ + tags tags-am uninstall uninstall-am + +.PRECIOUS: Makefile + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/examples/README b/examples/README new file mode 100644 index 0000000..fee734d --- /dev/null +++ b/examples/README @@ -0,0 +1,12 @@ + +(now we are getting networked apps, be careful to try and test on a +securely isolated system!) + +These programs grant no privileges, but they give an idea of how well +the modules are working. + +blank is new as of Linux-PAM-0.21. If you are writing/modifying an +application it might be a place to start... + +xsh is new as of Linux-PAM-0.31, it is identical to blank, but invokes +/bin/sh if the user is authenticated. diff --git a/examples/blank.c b/examples/blank.c new file mode 100644 index 0000000..8210013 --- /dev/null +++ b/examples/blank.c @@ -0,0 +1,158 @@ +/* + * $Id$ + */ + +/* Andrew Morgan (morgan@parc.power.net) -- a self contained `blank' + * application + * + * I am not very proud of this code. It makes use of a possibly ill- + * defined pamh pointer to call pam_strerror() with. The reason that + * I was sloppy with this is historical (pam_strerror, prior to 0.59, + * did not require a pamh argument) and if this program is used as a + * model for anything, I should wish that you will take this error into + * account. + */ + +#include +#include + +#include +#include + +/* ------ some local (static) functions ------- */ + +static void bail_out(pam_handle_t *pamh, int really, int code, const char *fn) +{ + fprintf(stderr,"==> called %s()\n got: `%s'\n", fn, + pam_strerror(pamh, code)); + if (really && code) + exit (1); +} + +/* ------ some static data objects ------- */ + +static struct pam_conv conv = { + misc_conv, + NULL +}; + +/* ------- the application itself -------- */ + +int main(int argc, char **argv) +{ + pam_handle_t *pamh=NULL; + char *username=NULL; + int retcode; + + /* did the user call with a username as an argument ? */ + + if (argc > 2) { + fprintf(stderr,"usage: %s [username]\n",argv[0]); + } else if (argc == 2) { + username = argv[1]; + } + + /* initialize the Linux-PAM library */ + retcode = pam_start("blank", username, &conv, &pamh); + bail_out(pamh,1,retcode,"pam_start"); + + /* test the environment stuff */ + { +#define MAXENV 15 + const char *greek[MAXENV] = { + "a=alpha", "b=beta", "c=gamma", "d=delta", "e=epsilon", + "f=phi", "g=psi", "h=eta", "i=iota", "j=mu", "k=nu", + "l=zeta", "h=", "d", "k=xi" + }; + char **env; + int i; + + for (i=0; i + slight modifications by AGM. + + You need to add the following (or equivalent) to the /etc/pam.conf file. + # check authorization + check auth required pam_unix_auth.so + check account required pam_unix_acct.so +*/ + +#include +#include +#include + +static struct pam_conv conv = { + misc_conv, + NULL +}; + +int main(int argc, char *argv[]) +{ + pam_handle_t *pamh=NULL; + int retval; + const char *user="nobody"; + + if(argc == 2) { + user = argv[1]; + } + + if(argc > 2) { + fprintf(stderr, "Usage: check_user [username]\n"); + exit(1); + } + + retval = pam_start("check", user, &conv, &pamh); + + if (retval == PAM_SUCCESS) + retval = pam_authenticate(pamh, 0); /* is user really user? */ + + if (retval == PAM_SUCCESS) + retval = pam_acct_mgmt(pamh, 0); /* permitted access? */ + + /* This is where we have been authorized or not. */ + + if (retval == PAM_SUCCESS) { + fprintf(stdout, "Authenticated\n"); + } else { + fprintf(stdout, "Not Authenticated\n"); + } + + if (pam_end(pamh,retval) != PAM_SUCCESS) { /* close Linux-PAM */ + pamh = NULL; + fprintf(stderr, "check_user: failed to release authenticator\n"); + exit(1); + } + + return ( retval == PAM_SUCCESS ? 0:1 ); /* indicate success */ +} diff --git a/examples/vpass.c b/examples/vpass.c new file mode 100644 index 0000000..f73b361 --- /dev/null +++ b/examples/vpass.c @@ -0,0 +1,49 @@ + +#include "config.h" + +#include +#include +#include +#include +#include +#include + +static int +test_conv (int num_msg UNUSED, const struct pam_message **msgm UNUSED, + struct pam_response **response UNUSED, void *appdata_ptr UNUSED) +{ + return 0; +} + +static struct pam_conv conv = { + test_conv, + NULL +}; + +int main(void) +{ + char *user; + pam_handle_t *pamh; + struct passwd *pw; + uid_t uid; + int res; + + uid = geteuid(); + pw = getpwuid(uid); + if (pw) { + user = pw->pw_name; + } else { + fprintf(stderr, "Invalid userid: %lu\n", (unsigned long) uid); + exit(1); + } + + pam_start("vpass", user, &conv, &pamh); + pam_set_item(pamh, PAM_TTY, "/dev/tty"); + if ((res = pam_authenticate(pamh, 0)) != PAM_SUCCESS) { + fprintf(stderr, "Oops: %s\n", pam_strerror(pamh, res)); + exit(1); + } + + pam_end(pamh, res); + exit(0); +} diff --git a/examples/xsh.c b/examples/xsh.c new file mode 100644 index 0000000..ef4dca0 --- /dev/null +++ b/examples/xsh.c @@ -0,0 +1,173 @@ +/* Andrew Morgan (morgan@kernel.org) -- an example application + * that invokes a shell, based on blank.c */ + +#include "config.h" + +#include +#include + +#include +#include + +#include +#include +#include + +/* ------ some local (static) functions ------- */ + +static void bail_out(pam_handle_t *pamh,int really, int code, const char *fn) +{ + fprintf(stderr,"==> called %s()\n got: `%s'\n", fn, + pam_strerror(pamh,code)); + if (really && code) + exit (1); +} + +/* ------ some static data objects ------- */ + +static struct pam_conv conv = { + misc_conv, + NULL +}; + +/* ------- the application itself -------- */ + +int main(int argc, char **argv) +{ + pam_handle_t *pamh=NULL; + const void *username=NULL; + const char *service="xsh"; + int retcode; + + /* did the user call with a username as an argument ? + * did they also */ + + if (argc > 3) { + fprintf(stderr,"usage: %s [username [service-name]]\n",argv[0]); + } + if ((argc >= 2) && (argv[1][0] != '-')) { + username = argv[1]; + } + if (argc == 3) { + service = argv[2]; + } + + /* initialize the Linux-PAM library */ + retcode = pam_start(service, username, &conv, &pamh); + bail_out(pamh,1,retcode,"pam_start"); + + /* fill in the RUSER and RHOST etc. fields */ + { + char buffer[100]; + struct passwd *pw; + const char *tty; + + pw = getpwuid(getuid()); + if (pw != NULL) { + retcode = pam_set_item(pamh, PAM_RUSER, pw->pw_name); + bail_out(pamh,1,retcode,"pam_set_item(PAM_RUSER)"); + } + + retcode = gethostname(buffer, sizeof(buffer)-1); + if (retcode) { + perror("failed to look up hostname"); + retcode = pam_end(pamh, PAM_ABORT); + bail_out(pamh,1,retcode,"pam_end"); + } + retcode = pam_set_item(pamh, PAM_RHOST, buffer); + bail_out(pamh,1,retcode,"pam_set_item(PAM_RHOST)"); + + tty = ttyname(fileno(stdin)); + if (tty) { + retcode = pam_set_item(pamh, PAM_TTY, tty); + bail_out(pamh,1,retcode,"pam_set_item(PAM_RHOST)"); + } + } + + /* to avoid using goto we abuse a loop here */ + for (;;) { + /* authenticate the user --- `0' here, could have been PAM_SILENT + * | PAM_DISALLOW_NULL_AUTHTOK */ + + retcode = pam_authenticate(pamh, 0); + bail_out(pamh,0,retcode,"pam_authenticate"); + + /* has the user proved themself valid? */ + if (retcode != PAM_SUCCESS) { + fprintf(stderr,"%s: invalid request\n",argv[0]); + break; + } + + /* the user is valid, but should they have access at this + time? */ + + retcode = pam_acct_mgmt(pamh, 0); /* `0' could be as above */ + bail_out(pamh,0,retcode,"pam_acct_mgmt"); + + if (retcode == PAM_NEW_AUTHTOK_REQD) { + fprintf(stderr,"Application must request new password...\n"); + retcode = pam_chauthtok(pamh,PAM_CHANGE_EXPIRED_AUTHTOK); + bail_out(pamh,0,retcode,"pam_chauthtok"); + } + + if (retcode != PAM_SUCCESS) { + fprintf(stderr,"%s: invalid request\n",argv[0]); + break; + } + + /* `0' could be as above */ + retcode = pam_setcred(pamh, PAM_ESTABLISH_CRED); + bail_out(pamh,0,retcode,"pam_setcred"); + + if (retcode != PAM_SUCCESS) { + fprintf(stderr,"%s: problem setting user credentials\n" + ,argv[0]); + break; + } + + /* open a session for the user --- `0' could be PAM_SILENT */ + retcode = pam_open_session(pamh,0); + bail_out(pamh,0,retcode,"pam_open_session"); + if (retcode != PAM_SUCCESS) { + fprintf(stderr,"%s: problem opening a session\n",argv[0]); + break; + } + + pam_get_item(pamh, PAM_USER, &username); + fprintf(stderr, + "The user [%s] has been authenticated and `logged in'\n", + (const char *)username); + + /* this is always a really bad thing for security! */ + retcode = system("/bin/sh"); + + /* close a session for the user --- `0' could be PAM_SILENT + * it is possible that this pam_close_call is in another program.. + */ + + retcode = pam_close_session(pamh,0); + bail_out(pamh,0,retcode,"pam_close_session"); + if (retcode != PAM_SUCCESS) { + fprintf(stderr,"%s: problem closing a session\n",argv[0]); + break; + } + + /* `0' could be as above */ + retcode = pam_setcred(pamh, PAM_DELETE_CRED); + bail_out(pamh,0,retcode,"pam_setcred"); + if (retcode != PAM_SUCCESS) { + fprintf(stderr,"%s: problem deleting user credentials\n" + ,argv[0]); + break; + } + + break; /* don't go on for ever! */ + } + + /* close the Linux-PAM library */ + retcode = pam_end(pamh, PAM_SUCCESS); + pamh = NULL; + bail_out(pamh,1,retcode,"pam_end"); + + return (0); +} diff --git a/libpam/Makefile.am b/libpam/Makefile.am new file mode 100644 index 0000000..55222af --- /dev/null +++ b/libpam/Makefile.am @@ -0,0 +1,46 @@ +# +# Copyright (c) 2005, 2006, 2007, 2009 Thorsten Kukuk +# + +AM_CFLAGS = -DDEFAULT_MODULE_PATH=\"$(SECUREDIR)/\" -DLIBPAM_COMPILE \ + -I$(srcdir)/include $(LIBPRELUDE_CFLAGS) $(ECONF_CFLAGS) \ + -DPAM_VERSION=\"$(VERSION)\" -DSYSCONFDIR=\"$(sysconfdir)\" \ + $(WARN_CFLAGS) + +CLEANFILES = *~ + +EXTRA_DIST = libpam.map + +include_HEADERS = include/security/_pam_compat.h \ + include/security/_pam_macros.h include/security/_pam_types.h \ + include/security/pam_appl.h include/security/pam_modules.h \ + include/security/pam_ext.h include/security/pam_modutil.h + +noinst_HEADERS = pam_prelude.h pam_private.h pam_tokens.h \ + pam_modutil_private.h include/pam_cc_compat.h \ + include/pam_inline.h include/test_assert.h + +libpam_la_LDFLAGS = -no-undefined -version-info 85:1:85 +libpam_la_LIBADD = @LIBAUDIT@ $(LIBPRELUDE_LIBS) $(ECONF_LIBS) @LIBDL@ + +if HAVE_VERSIONING + libpam_la_LDFLAGS += -Wl,--version-script=$(srcdir)/libpam.map +endif + +lib_LTLIBRARIES = libpam.la + +libpam_la_SOURCES = pam_account.c pam_auth.c pam_data.c pam_delay.c \ + pam_dispatch.c pam_end.c pam_env.c pam_get_authtok.c \ + pam_handlers.c pam_item.c \ + pam_misc.c pam_password.c pam_prelude.c \ + pam_session.c pam_start.c pam_strerror.c \ + pam_vprompt.c pam_syslog.c pam_dynamic.c pam_audit.c \ + pam_modutil_check_user.c \ + pam_modutil_cleanup.c pam_modutil_getpwnam.c pam_modutil_ioloop.c \ + pam_modutil_getgrgid.c pam_modutil_getpwuid.c pam_modutil_getgrnam.c \ + pam_modutil_getspnam.c pam_modutil_getlogin.c pam_modutil_ingroup.c \ + pam_modutil_priv.c pam_modutil_sanitize.c pam_modutil_searchkey.c + +# Pkg-config script. +pkgconfigdir = $(libdir)/pkgconfig +pkgconfig_DATA = pam.pc diff --git a/libpam/Makefile.in b/libpam/Makefile.in new file mode 100644 index 0000000..0c2333c --- /dev/null +++ b/libpam/Makefile.in @@ -0,0 +1,953 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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+ +distclean-generic: + -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES) + -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." +clean: clean-am + +clean-am: clean-generic clean-libLTLIBRARIES clean-libtool \ + mostlyclean-am + +distclean: distclean-am + -rm -f ./$(DEPDIR)/pam_account.Plo + -rm -f ./$(DEPDIR)/pam_audit.Plo + -rm -f ./$(DEPDIR)/pam_auth.Plo + -rm -f ./$(DEPDIR)/pam_data.Plo + -rm -f ./$(DEPDIR)/pam_delay.Plo + -rm -f ./$(DEPDIR)/pam_dispatch.Plo + -rm -f ./$(DEPDIR)/pam_dynamic.Plo + -rm -f ./$(DEPDIR)/pam_end.Plo + -rm -f ./$(DEPDIR)/pam_env.Plo + -rm -f ./$(DEPDIR)/pam_get_authtok.Plo + -rm -f ./$(DEPDIR)/pam_handlers.Plo + -rm -f ./$(DEPDIR)/pam_item.Plo + -rm -f ./$(DEPDIR)/pam_misc.Plo + -rm -f ./$(DEPDIR)/pam_modutil_check_user.Plo + -rm -f 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+ uninstall-libLTLIBRARIES uninstall-pkgconfigDATA + +.PRECIOUS: Makefile + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/libpam/include/pam_cc_compat.h b/libpam/include/pam_cc_compat.h new file mode 100644 index 0000000..6919036 --- /dev/null +++ b/libpam/include/pam_cc_compat.h @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2020 Dmitry V. Levin + */ + +#ifndef PAM_CC_COMPAT_H +#define PAM_CC_COMPAT_H + +#include "config.h" +#include + +#if defined __clang__ && defined __clang_major__ && defined __clang_minor__ +# define PAM_CLANG_PREREQ(maj, min) \ + ((__clang_major__ << 16) + __clang_minor__ >= ((maj) << 16) + (min)) +#else +# define PAM_CLANG_PREREQ(maj, min) 0 +#endif + +#if PAM_GNUC_PREREQ(2, 7) +# define PAM_ATTRIBUTE_ALIGNED(arg) __attribute__((__aligned__(arg))) +#else +# define PAM_ATTRIBUTE_ALIGNED(arg) /* empty */ +#endif + +#if PAM_GNUC_PREREQ(4, 6) +# define DIAG_PUSH_IGNORE_CAST_QUAL \ + _Pragma("GCC diagnostic push"); \ + _Pragma("GCC diagnostic ignored \"-Wcast-qual\"") +# define DIAG_POP_IGNORE_CAST_QUAL \ + _Pragma("GCC diagnostic pop") +# define DIAG_PUSH_IGNORE_CAST_ALIGN \ + _Pragma("GCC diagnostic push"); \ + _Pragma("GCC diagnostic ignored \"-Wcast-align\"") +# define DIAG_POP_IGNORE_CAST_ALIGN \ + _Pragma("GCC diagnostic pop") +#elif PAM_CLANG_PREREQ(2, 6) +# define DIAG_PUSH_IGNORE_CAST_QUAL \ + _Pragma("clang diagnostic push"); \ + _Pragma("clang diagnostic ignored \"-Wcast-qual\"") +# define DIAG_POP_IGNORE_CAST_QUAL \ + _Pragma("clang diagnostic pop") +# define DIAG_PUSH_IGNORE_CAST_ALIGN \ + _Pragma("clang diagnostic push"); \ + _Pragma("clang diagnostic ignored \"-Wcast-align\"") +# define DIAG_POP_IGNORE_CAST_ALIGN \ + _Pragma("clang diagnostic pop") +#else +# define DIAG_PUSH_IGNORE_CAST_QUAL /* empty */ +# define DIAG_POP_IGNORE_CAST_QUAL /* empty */ +# define DIAG_PUSH_IGNORE_CAST_ALIGN /* empty */ +# define DIAG_POP_IGNORE_CAST_ALIGN /* empty */ +#endif + +/* + * Evaluates to + * 1, if the given two types are known to be the same + * 0, otherwise. + */ +#if PAM_GNUC_PREREQ(3, 0) +# define PAM_IS_SAME_TYPE(x_, y_) \ + __builtin_types_compatible_p(__typeof__(x_), __typeof__(y_)) +#else +/* Cannot tell whether these types are the same. */ +# define PAM_IS_SAME_TYPE(x_, y_) 0 +#endif + +#endif /* PAM_CC_COMPAT_H */ diff --git a/libpam/include/pam_inline.h b/libpam/include/pam_inline.h new file mode 100644 index 0000000..ec2f3bf --- /dev/null +++ b/libpam/include/pam_inline.h @@ -0,0 +1,118 @@ +/* + * Copyright (c) 2020 Dmitry V. Levin + * + * Handy inline functions and macros providing some convenient functionality + * to libpam and its modules. + */ + +#ifndef PAM_INLINE_H +#define PAM_INLINE_H + +#include "pam_cc_compat.h" +#include +#include +#include + +/* + * Evaluates to + * - a syntax error if the argument is 0, + * 0, otherwise. + */ +#define PAM_FAIL_BUILD_ON_ZERO(e_) (sizeof(int[-1 + 2 * !!(e_)]) * 0) + +/* + * Evaluates to + * 1, if the given type is known to be a non-array type + * 0, otherwise. + */ +#define PAM_IS_NOT_ARRAY(a_) PAM_IS_SAME_TYPE((a_), &(a_)[0]) + +/* + * Evaluates to + * - a syntax error if the argument is not an array, + * 0, otherwise. + */ +#define PAM_MUST_BE_ARRAY(a_) PAM_FAIL_BUILD_ON_ZERO(!PAM_IS_NOT_ARRAY(a_)) + +/* Evaluates to the number of elements in the specified array. */ +#define PAM_ARRAY_SIZE(a_) (sizeof(a_) / sizeof((a_)[0]) + PAM_MUST_BE_ARRAY(a_)) + +/* + * Returns NULL if STR does not start with PREFIX, + * or a pointer to the first char in STR after PREFIX. + * The length of PREFIX is specified by PREFIX_LEN. + */ +static inline const char * +pam_str_skip_prefix_len(const char *str, const char *prefix, size_t prefix_len) +{ + return strncmp(str, prefix, prefix_len) ? NULL : str + prefix_len; +} + +#define pam_str_skip_prefix(str_, prefix_) \ + pam_str_skip_prefix_len((str_), (prefix_), sizeof(prefix_) - 1 + PAM_MUST_BE_ARRAY(prefix_)) + +/* + * Returns NULL if STR does not start with PREFIX + * (ignoring the case of the characters), + * or a pointer to the first char in STR after PREFIX. + * The length of PREFIX is specified by PREFIX_LEN. + */ +static inline const char * +pam_str_skip_icase_prefix_len(const char *str, const char *prefix, size_t prefix_len) +{ + return strncasecmp(str, prefix, prefix_len) ? NULL : str + prefix_len; +} + +#define pam_str_skip_icase_prefix(str_, prefix_) \ + pam_str_skip_icase_prefix_len((str_), (prefix_), sizeof(prefix_) - 1 + PAM_MUST_BE_ARRAY(prefix_)) + +static inline int +pam_read_passwords(int fd, int npass, char **passwords) +{ + /* + * The passwords array must contain npass preallocated + * buffers of length PAM_MAX_RESP_SIZE + 1. + */ + int rbytes = 0; + int offset = 0; + int i = 0; + char *pptr; + while (npass > 0) { + rbytes = read(fd, passwords[i]+offset, PAM_MAX_RESP_SIZE+1-offset); + + if (rbytes < 0) { + if (errno == EINTR) { + continue; + } + break; + } + if (rbytes == 0) { + break; + } + + while (npass > 0 && + (pptr = memchr(passwords[i] + offset, '\0', rbytes)) != NULL) { + ++pptr; /* skip the '\0' */ + rbytes -= pptr - (passwords[i] + offset); + i++; + offset = 0; + npass--; + if (rbytes > 0) { + if (npass > 0) { + memcpy(passwords[i], pptr, rbytes); + } + memset(pptr, '\0', rbytes); + } + } + offset += rbytes; + } + + /* clear up */ + if (offset > 0 && npass > 0) { + memset(passwords[i], '\0', offset); + } + + return i; +} + +#endif /* PAM_INLINE_H */ diff --git a/libpam/include/security/_pam_compat.h b/libpam/include/security/_pam_compat.h new file mode 100644 index 0000000..a5f58e4 --- /dev/null +++ b/libpam/include/security/_pam_compat.h @@ -0,0 +1,126 @@ +#ifndef _PAM_COMPAT_H +#define _PAM_COMPAT_H + +/* + * This file was contributed by Derrick J Brashear + * slight modification by Brad M. Garcia + * + * A number of operating systems have started to implement PAM. + * unfortunately, they have a different set of numeric values for + * certain constants. This file is included for compatibility's sake. + */ + +/* Solaris uses different constants. We redefine to those here */ +#if defined(solaris) || (defined(__SVR4) && defined(sun)) + +# ifdef _SECURITY_PAM_MODULES_H + +/* flags for pam_chauthtok() */ +# undef PAM_PRELIM_CHECK +# define PAM_PRELIM_CHECK 0x1 + +# undef PAM_UPDATE_AUTHTOK +# define PAM_UPDATE_AUTHTOK 0x2 + +# endif /* _SECURITY_PAM_MODULES_H */ + +# ifdef _SECURITY__PAM_TYPES_H + +/* generic for pam_* functions */ +# undef PAM_SILENT +# define PAM_SILENT 0x80000000 + +# undef PAM_CHANGE_EXPIRED_AUTHTOK +# define PAM_CHANGE_EXPIRED_AUTHTOK 0x4 + +/* flags for pam_setcred() */ +# undef PAM_ESTABLISH_CRED +# define PAM_ESTABLISH_CRED 0x1 + +# undef PAM_DELETE_CRED +# define PAM_DELETE_CRED 0x2 + +# undef PAM_REINITIALIZE_CRED +# define PAM_REINITIALIZE_CRED 0x4 + +# undef PAM_REFRESH_CRED +# define PAM_REFRESH_CRED 0x8 + +/* another binary incompatibility comes from the return codes! */ + +# undef PAM_CONV_ERR +# define PAM_CONV_ERR 6 + +# undef PAM_PERM_DENIED +# define PAM_PERM_DENIED 7 + +# undef PAM_MAXTRIES +# define PAM_MAXTRIES 8 + +# undef PAM_AUTH_ERR +# define PAM_AUTH_ERR 9 + +# undef PAM_NEW_AUTHTOK_REQD +# define PAM_NEW_AUTHTOK_REQD 10 + +# undef PAM_CRED_INSUFFICIENT +# define PAM_CRED_INSUFFICIENT 11 + +# undef PAM_AUTHINFO_UNAVAIL +# define PAM_AUTHINFO_UNAVAIL 12 + +# undef PAM_USER_UNKNOWN +# define PAM_USER_UNKNOWN 13 + +# undef PAM_CRED_UNAVAIL +# define PAM_CRED_UNAVAIL 14 + +# undef PAM_CRED_EXPIRED +# define PAM_CRED_EXPIRED 15 + +# undef PAM_CRED_ERR +# define PAM_CRED_ERR 16 + +# undef PAM_ACCT_EXPIRED +# define PAM_ACCT_EXPIRED 17 + +# undef PAM_AUTHTOK_EXPIRED +# define PAM_AUTHTOK_EXPIRED 18 + +# undef PAM_SESSION_ERR +# define PAM_SESSION_ERR 19 + +# undef PAM_AUTHTOK_ERR +# define PAM_AUTHTOK_ERR 20 + +# undef PAM_AUTHTOK_RECOVERY_ERR +# define PAM_AUTHTOK_RECOVERY_ERR 21 + +# undef PAM_AUTHTOK_LOCK_BUSY +# define PAM_AUTHTOK_LOCK_BUSY 22 + +# undef PAM_AUTHTOK_DISABLE_AGING +# define PAM_AUTHTOK_DISABLE_AGING 23 + +# undef PAM_NO_MODULE_DATA +# define PAM_NO_MODULE_DATA 24 + +# undef PAM_IGNORE +# define PAM_IGNORE 25 + +# undef PAM_ABORT +# define PAM_ABORT 26 + +# undef PAM_TRY_AGAIN +# define PAM_TRY_AGAIN 27 + +#endif /* _SECURITY__PAM_TYPES_H */ + +#else + +/* For compatibility with old Linux-PAM implementations. */ +#define PAM_AUTHTOK_RECOVER_ERR PAM_AUTHTOK_RECOVERY_ERR + +#endif /* defined(solaris) || (defined(__SVR4) && defined(sun)) */ + +#endif /* _PAM_COMPAT_H */ diff --git a/libpam/include/security/_pam_macros.h b/libpam/include/security/_pam_macros.h new file mode 100644 index 0000000..e891e22 --- /dev/null +++ b/libpam/include/security/_pam_macros.h @@ -0,0 +1,196 @@ +#ifndef PAM_MACROS_H +#define PAM_MACROS_H + +/* + * All kind of macros used by PAM, but usable in some other + * programs too. + * Organized by Cristian Gafton + */ + +/* a 'safe' version of strdup */ + +#include +#include + +#define x_strdup(s) ( (s) ? strdup(s):NULL ) + +/* Good policy to strike out passwords with some characters not just + free the memory */ + +#define _pam_overwrite(x) \ +do { \ + register char *__xx__; \ + if ((__xx__=(x))) \ + while (*__xx__) \ + *__xx__++ = '\0'; \ +} while (0) + +#define _pam_overwrite_n(x,n) \ +do { \ + register char *__xx__; \ + register unsigned int __i__ = 0; \ + if ((__xx__=(x))) \ + for (;__i__ + */ + +#include +#include +#include +#include +#include +#include +#include + +/* + * This is for debugging purposes ONLY. DO NOT use on live systems !!! + * You have been warned :-) - CG + * + * to get automated debugging to the log file, it must be created manually. + * _PAM_LOGFILE must exist and be writable to the programs you debug. + */ + +#ifndef _PAM_LOGFILE +#define _PAM_LOGFILE "/var/run/pam-debug.log" +#endif + +static void _pam_output_debug_info(const char *file, const char *fn + , const int line) +{ + FILE *logfile; + int must_close = 1, fd; + +#ifdef O_NOFOLLOW + if ((fd = open(_PAM_LOGFILE, O_WRONLY|O_NOFOLLOW|O_APPEND)) != -1) { +#else + if ((fd = open(_PAM_LOGFILE, O_WRONLY|O_APPEND)) != -1) { +#endif + if (!(logfile = fdopen(fd,"a"))) { + logfile = stderr; + must_close = 0; + close(fd); + } + } else { + logfile = stderr; + must_close = 0; + } + fprintf(logfile,"[%s:%s(%d)] ",file, fn, line); + fflush(logfile); + if (must_close) + fclose(logfile); +} + +static void _pam_output_debug(const char *format, ...) +{ + va_list args; + FILE *logfile; + int must_close = 1, fd; + + va_start(args, format); + +#ifdef O_NOFOLLOW + if ((fd = open(_PAM_LOGFILE, O_WRONLY|O_NOFOLLOW|O_APPEND)) != -1) { +#else + if ((fd = open(_PAM_LOGFILE, O_WRONLY|O_APPEND)) != -1) { +#endif + if (!(logfile = fdopen(fd,"a"))) { + logfile = stderr; + must_close = 0; + close(fd); + } + } else { + logfile = stderr; + must_close = 0; + } + vfprintf(logfile, format, args); + fprintf(logfile, "\n"); + fflush(logfile); + if (must_close) + fclose(logfile); + + va_end(args); +} + +#define D(x) do { \ + _pam_output_debug_info(__FILE__, __FUNCTION__, __LINE__); \ + _pam_output_debug x ; \ +} while (0) + +#define _pam_show_mem(X,XS) do { \ + int i; \ + register unsigned char *x; \ + x = (unsigned char *)X; \ + fprintf(stderr, " \n", X); \ + for (i = 0; i < XS ; ++x, ++i) { \ + fprintf(stderr, " %02X. <%p:%02X>\n", i, x, *x); \ + } \ + fprintf(stderr, " \n", X, XS); \ +} while (0) + +#define _pam_show_reply(/* struct pam_response * */reply, /* int */replies) \ +do { \ + int reply_i; \ + setbuf(stderr, NULL); \ + fprintf(stderr, "array at %p of size %d\n",reply,replies); \ + fflush(stderr); \ + if (reply) { \ + for (reply_i = 0; reply_i < replies; reply_i++) { \ + fprintf(stderr, " elem# %d at %p: resp = %p, retcode = %d\n", \ + reply_i, reply+reply_i, reply[reply_i].resp, \ + reply[reply_i].resp, _retcode); \ + fflush(stderr); \ + if (reply[reply_i].resp) { \ + fprintf(stderr, " resp[%d] = '%s'\n", \ + strlen(reply[reply_i].resp), reply[reply_i].resp); \ + fflush(stderr); \ + } \ + } \ + } \ + fprintf(stderr, "done here\n"); \ + fflush(stderr); \ +} while (0) + +#else + +#define D(x) do { } while (0) +#define _pam_show_mem(X,XS) do { } while (0) +#define _pam_show_reply(reply, replies) do { } while (0) + +#endif /* PAM_DEBUG */ + +#endif /* PAM_MACROS_H */ diff --git a/libpam/include/security/_pam_types.h b/libpam/include/security/_pam_types.h new file mode 100644 index 0000000..2abb7ee --- /dev/null +++ b/libpam/include/security/_pam_types.h @@ -0,0 +1,333 @@ +/* + * + * + * This file defines all of the types common to the Linux-PAM library + * applications and modules. + * + * Note, the copyright+license information is at end of file. + */ + +#ifndef _SECURITY__PAM_TYPES_H +#define _SECURITY__PAM_TYPES_H + +/* This is a blind structure; users aren't allowed to see inside a + * pam_handle_t, so we don't define struct pam_handle here. This is + * defined in a file private to the PAM library. (i.e., it's private + * to PAM service modules, too!) */ + +typedef struct pam_handle pam_handle_t; + +/* ---------------- The Linux-PAM Version defines ----------------- */ + +/* Major and minor version number of the Linux-PAM package. Use + these macros to test for features in specific releases. */ +#define __LINUX_PAM__ 1 +#define __LINUX_PAM_MINOR__ 0 + +/* ----------------- The Linux-PAM return values ------------------ */ + +#define PAM_SUCCESS 0 /* Successful function return */ +#define PAM_OPEN_ERR 1 /* dlopen() failure when dynamically */ + /* loading a service module */ +#define PAM_SYMBOL_ERR 2 /* Symbol not found */ +#define PAM_SERVICE_ERR 3 /* Error in service module */ +#define PAM_SYSTEM_ERR 4 /* System error */ +#define PAM_BUF_ERR 5 /* Memory buffer error */ +#define PAM_PERM_DENIED 6 /* Permission denied */ +#define PAM_AUTH_ERR 7 /* Authentication failure */ +#define PAM_CRED_INSUFFICIENT 8 /* Can not access authentication data */ + /* due to insufficient credentials */ +#define PAM_AUTHINFO_UNAVAIL 9 /* Underlying authentication service */ + /* can not retrieve authentication */ + /* information */ +#define PAM_USER_UNKNOWN 10 /* User not known to the underlying */ + /* authentication module */ +#define PAM_MAXTRIES 11 /* An authentication service has */ + /* maintained a retry count which has */ + /* been reached. No further retries */ + /* should be attempted */ +#define PAM_NEW_AUTHTOK_REQD 12 /* New authentication token required. */ + /* This is normally returned if the */ + /* machine security policies require */ + /* that the password should be changed */ + /* because the password is NULL or it */ + /* has aged */ +#define PAM_ACCT_EXPIRED 13 /* User account has expired */ +#define PAM_SESSION_ERR 14 /* Can not make/remove an entry for */ + /* the specified session */ +#define PAM_CRED_UNAVAIL 15 /* Underlying authentication service */ + /* can not retrieve user credentials */ + /* unavailable */ +#define PAM_CRED_EXPIRED 16 /* User credentials expired */ +#define PAM_CRED_ERR 17 /* Failure setting user credentials */ +#define PAM_NO_MODULE_DATA 18 /* No module specific data is present */ +#define PAM_CONV_ERR 19 /* Conversation error */ +#define PAM_AUTHTOK_ERR 20 /* Authentication token manipulation error */ +#define PAM_AUTHTOK_RECOVERY_ERR 21 /* Authentication information */ + /* cannot be recovered */ +#define PAM_AUTHTOK_LOCK_BUSY 22 /* Authentication token lock busy */ +#define PAM_AUTHTOK_DISABLE_AGING 23 /* Authentication token aging disabled */ +#define PAM_TRY_AGAIN 24 /* Preliminary check by password service */ +#define PAM_IGNORE 25 /* Ignore underlying account module */ + /* regardless of whether the control */ + /* flag is required, optional, or sufficient */ +#define PAM_ABORT 26 /* Critical error (?module fail now request) */ +#define PAM_AUTHTOK_EXPIRED 27 /* user's authentication token has expired */ +#define PAM_MODULE_UNKNOWN 28 /* module is not known */ + +#define PAM_BAD_ITEM 29 /* Bad item passed to pam_*_item() */ +#define PAM_CONV_AGAIN 30 /* conversation function is event driven + and data is not available yet */ +#define PAM_INCOMPLETE 31 /* please call this function again to + complete authentication stack. Before + calling again, verify that conversation + is completed */ + +/* + * Add new #define's here - take care to also extend the libpam code: + * pam_strerror() and "libpam/pam_tokens.h" . + */ + +#define _PAM_RETURN_VALUES 32 /* this is the number of return values */ + + +/* ---------------------- The Linux-PAM flags -------------------- */ + +/* Authentication service should not generate any messages */ +#define PAM_SILENT 0x8000U + +/* Note: these flags are used by pam_authenticate{,_secondary}() */ + +/* The authentication service should return PAM_AUTH_ERROR if the + * user has a null authentication token */ +#define PAM_DISALLOW_NULL_AUTHTOK 0x0001U + +/* Note: these flags are used for pam_setcred() */ + +/* Set user credentials for an authentication service */ +#define PAM_ESTABLISH_CRED 0x0002U + +/* Delete user credentials associated with an authentication service */ +#define PAM_DELETE_CRED 0x0004U + +/* Reinitialize user credentials */ +#define PAM_REINITIALIZE_CRED 0x0008U + +/* Extend lifetime of user credentials */ +#define PAM_REFRESH_CRED 0x0010U + +/* Note: these flags are used by pam_chauthtok */ + +/* The password service should only update those passwords that have + * aged. If this flag is not passed, the password service should + * update all passwords. */ +#define PAM_CHANGE_EXPIRED_AUTHTOK 0x0020U + +/* ------------------ The Linux-PAM item types ------------------- */ + +/* These defines are used by pam_set_item() and pam_get_item(). + Please check the spec which are allowed for use by applications + and which are only allowed for use by modules. */ + +#define PAM_SERVICE 1 /* The service name */ +#define PAM_USER 2 /* The user name */ +#define PAM_TTY 3 /* The tty name */ +#define PAM_RHOST 4 /* The remote host name */ +#define PAM_CONV 5 /* The pam_conv structure */ +#define PAM_AUTHTOK 6 /* The authentication token (password) */ +#define PAM_OLDAUTHTOK 7 /* The old authentication token */ +#define PAM_RUSER 8 /* The remote user name */ +#define PAM_USER_PROMPT 9 /* the prompt for getting a username */ +/* Linux-PAM extensions */ +#define PAM_FAIL_DELAY 10 /* app supplied function to override failure + delays */ +#define PAM_XDISPLAY 11 /* X display name */ +#define PAM_XAUTHDATA 12 /* X server authentication data */ +#define PAM_AUTHTOK_TYPE 13 /* The type for pam_get_authtok */ + +/* -------------- Special defines used by Linux-PAM -------------- */ + +#if defined(__GNUC__) && defined(__GNUC_MINOR__) +# define PAM_GNUC_PREREQ(maj, min) \ + ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min)) +#else +# define PAM_GNUC_PREREQ(maj, min) 0 +#endif + +#if PAM_GNUC_PREREQ(2,5) +# define PAM_FORMAT(params) __attribute__((__format__ params)) +#else +# define PAM_FORMAT(params) +#endif + +#if PAM_GNUC_PREREQ(3,3) && !defined(LIBPAM_COMPILE) +# define PAM_NONNULL(params) __attribute__((__nonnull__ params)) +#else +# define PAM_NONNULL(params) +#endif + +/* ---------- Common Linux-PAM application/module PI ----------- */ + +extern int PAM_NONNULL((1)) +pam_set_item(pam_handle_t *pamh, int item_type, const void *item); + +extern int PAM_NONNULL((1)) +pam_get_item(const pam_handle_t *pamh, int item_type, const void **item); + +extern const char * +pam_strerror(pam_handle_t *pamh, int errnum); + +extern int PAM_NONNULL((1,2)) +pam_putenv(pam_handle_t *pamh, const char *name_value); + +extern const char * PAM_NONNULL((1,2)) +pam_getenv(pam_handle_t *pamh, const char *name); + +extern char ** PAM_NONNULL((1)) +pam_getenvlist(pam_handle_t *pamh); + +/* ---------- Common Linux-PAM application/module PI ----------- */ + +/* + * here are some proposed error status definitions for the + * 'error_status' argument used by the cleanup function associated + * with data items they should be logically OR'd with the error_status + * of the latest return from libpam -- new with .52 and positive + * impression from Sun although not official as of 1996/9/4 + * [generally the other flags are to be found in pam_modules.h] + */ + +#define PAM_DATA_SILENT 0x40000000 /* used to suppress messages... */ + +/* + * here we define an externally (by apps or modules) callable function + * that primes the libpam library to delay when a stacked set of + * modules results in a failure. In the case of PAM_SUCCESS this delay + * is ignored. + * + * Note, the pam_[gs]et_item(... PAM_FAIL_DELAY ...) can be used to set + * a function pointer which can override the default fail-delay behavior. + * This item was added to accommodate event driven programs that need to + * manage delays more carefully. The function prototype for this data + * item is + * void (*fail_delay)(int status, unsigned int delay, void *appdata_ptr); + */ + +#define HAVE_PAM_FAIL_DELAY +extern int pam_fail_delay(pam_handle_t *pamh, unsigned int musec_delay); + +/* ------------ The Linux-PAM conversation structures ------------ */ + +/* Message styles */ + +#define PAM_PROMPT_ECHO_OFF 1 +#define PAM_PROMPT_ECHO_ON 2 +#define PAM_ERROR_MSG 3 +#define PAM_TEXT_INFO 4 + +/* Linux-PAM specific types */ + +#define PAM_RADIO_TYPE 5 /* yes/no/maybe conditionals */ + +/* This is for server client non-human interaction.. these are NOT + part of the X/Open PAM specification. */ + +#define PAM_BINARY_PROMPT 7 + +/* maximum size of messages/responses etc.. (these are mostly + arbitrary so Linux-PAM should handle longer values). */ + +#define PAM_MAX_NUM_MSG 32 +#define PAM_MAX_MSG_SIZE 512 +#define PAM_MAX_RESP_SIZE 512 + +/* Used to pass prompting text, error messages, or other informatory + * text to the user. This structure is allocated and freed by the PAM + * library (or loaded module). */ + +struct pam_message { + int msg_style; + const char *msg; +}; + +/* if the pam_message.msg_style = PAM_BINARY_PROMPT + the 'pam_message.msg' is a pointer to a 'const *' for the following + pseudo-structure. When used with a PAM_BINARY_PROMPT, the returned + pam_response.resp pointer points to an object with the following + structure: + + struct { + u32 length; # network byte order + unsigned char type; + unsigned char data[length-5]; + }; + + The 'libpamc' library is designed around this flavor of + message and should be used to handle this flavor of msg_style. + */ + +/* Used to return the user's response to the PAM library. This + structure is allocated by the application program, and free()'d by + the Linux-PAM library (or calling module). */ + +struct pam_response { + char *resp; + int resp_retcode; /* currently un-used, zero expected */ +}; + +/* The actual conversation structure itself */ + +struct pam_conv { + int (*conv)(int num_msg, const struct pam_message **msg, + struct pam_response **resp, void *appdata_ptr); + void *appdata_ptr; +}; + +/* Used by the PAM_XAUTHDATA pam item. Contains X authentication + data used by modules to connect to the user's X display. Note: + this structure is intentionally compatible with xcb_auth_info_t. */ + +struct pam_xauth_data { + int namelen; + char *name; + int datalen; + char *data; +}; + +/* ... adapted from the pam_appl.h file created by Theodore Ts'o and + * + * Copyright Theodore Ts'o, 1996. All rights reserved. + * Copyright (c) Andrew G. Morgan , 1996-8 + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. */ + +#endif /* _SECURITY__PAM_TYPES_H */ diff --git a/libpam/include/security/pam_appl.h b/libpam/include/security/pam_appl.h new file mode 100644 index 0000000..cf97a49 --- /dev/null +++ b/libpam/include/security/pam_appl.h @@ -0,0 +1,104 @@ +/* + * + * + * This header file collects definitions for the PAM API --- that is, + * public interface between the PAM library and an application program + * that wishes to use it. + * + * Note, the copyright information is at end of file. + */ + +#ifndef _SECURITY_PAM_APPL_H +#define _SECURITY_PAM_APPL_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include /* Linux-PAM common defined types */ + +/* -------------- The Linux-PAM Framework layer API ------------- */ + +extern int PAM_NONNULL((1,3,4)) +pam_start(const char *service_name, const char *user, + const struct pam_conv *pam_conversation, + pam_handle_t **pamh); + +extern int PAM_NONNULL((1,3,5)) +pam_start_confdir(const char *service_name, const char *user, + const struct pam_conv *pam_conversation, + const char *confdir, pam_handle_t **pamh); + +extern int PAM_NONNULL((1)) +pam_end(pam_handle_t *pamh, int pam_status); + +/* Authentication API's */ + +extern int PAM_NONNULL((1)) +pam_authenticate(pam_handle_t *pamh, int flags); + +extern int PAM_NONNULL((1)) +pam_setcred(pam_handle_t *pamh, int flags); + +/* Account Management API's */ + +extern int PAM_NONNULL((1)) +pam_acct_mgmt(pam_handle_t *pamh, int flags); + +/* Session Management API's */ + +extern int PAM_NONNULL((1)) +pam_open_session(pam_handle_t *pamh, int flags); + +extern int PAM_NONNULL((1)) +pam_close_session(pam_handle_t *pamh, int flags); + +/* Password Management API's */ + +extern int PAM_NONNULL((1)) +pam_chauthtok(pam_handle_t *pamh, int flags); + + +/* take care of any compatibility issues */ +#include + +#ifdef __cplusplus +} +#endif + +/* + * Copyright Theodore Ts'o, 1996. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#endif /* _SECURITY_PAM_APPL_H */ diff --git a/libpam/include/security/pam_ext.h b/libpam/include/security/pam_ext.h new file mode 100644 index 0000000..7542861 --- /dev/null +++ b/libpam/include/security/pam_ext.h @@ -0,0 +1,91 @@ +/* + * Copyright (C) 2005, 2006, 2008, 2009 Thorsten Kukuk. + * + * + * + * This header file collects definitions for the extended PAM API. + * This is a public interface of the PAM library for PAM modules, + * which makes the life of PAM developers easier, but are not documented + * in any standard and are not portable between different PAM + * implementations. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _SECURITY__PAM_EXT_H_ +#define _SECURITY__PAM_EXT_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include + +extern void PAM_FORMAT((printf, 3, 0)) PAM_NONNULL((3)) +pam_vsyslog (const pam_handle_t *pamh, int priority, + const char *fmt, va_list args); + +extern void PAM_FORMAT((printf, 3, 4)) PAM_NONNULL((3)) +pam_syslog (const pam_handle_t *pamh, int priority, const char *fmt, ...); + +extern int PAM_FORMAT((printf, 4, 0)) PAM_NONNULL((1,4)) +pam_vprompt (pam_handle_t *pamh, int style, char **response, + const char *fmt, va_list args); + +extern int PAM_FORMAT((printf, 4, 5)) PAM_NONNULL((1,4)) +pam_prompt (pam_handle_t *pamh, int style, char **response, + const char *fmt, ...); + +#define pam_error(pamh, fmt...) \ + pam_prompt(pamh, PAM_ERROR_MSG, NULL, fmt) +#define pam_verror(pamh, fmt, args) \ + pam_vprompt(pamh, PAM_ERROR_MSG, NULL, fmt, args) + +#define pam_info(pamh, fmt...) pam_prompt(pamh, PAM_TEXT_INFO, NULL, fmt) +#define pam_vinfo(pamh, fmt, args) pam_vprompt(pamh, PAM_TEXT_INFO, NULL, fmt, args) + +extern int PAM_NONNULL((1,3)) +pam_get_authtok (pam_handle_t *pamh, int item, const char **authtok, + const char *prompt); +extern int PAM_NONNULL((1,2)) +pam_get_authtok_noverify (pam_handle_t *pamh, const char **authtok, + const char *prompt); +extern int PAM_NONNULL((1,2)) +pam_get_authtok_verify (pam_handle_t *pamh, const char **authtok, + const char *prompt); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/libpam/include/security/pam_modules.h b/libpam/include/security/pam_modules.h new file mode 100644 index 0000000..ec65e3e --- /dev/null +++ b/libpam/include/security/pam_modules.h @@ -0,0 +1,124 @@ +/* + * + * + * This header file collects definitions for the PAM API --- that is, + * public interface between the PAM library and PAM modules. + * + * Note, the copyright information is at end of file. + */ + +#ifndef _SECURITY_PAM_MODULES_H +#define _SECURITY_PAM_MODULES_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include /* Linux-PAM common defined types */ + +/* -------------- The Linux-PAM Module PI ------------- */ + +extern int PAM_NONNULL((1,2)) +pam_set_data(pam_handle_t *pamh, const char *module_data_name, void *data, + void (*cleanup)(pam_handle_t *pamh, void *data, + int error_status)); + +extern int PAM_NONNULL((1,2,3)) +pam_get_data(const pam_handle_t *pamh, const char *module_data_name, + const void **data); + +extern int PAM_NONNULL((1,2)) +pam_get_user(pam_handle_t *pamh, const char **user, const char *prompt); + +/* Authentication API's */ +int pam_sm_authenticate(pam_handle_t *pamh, int flags, + int argc, const char **argv); +int pam_sm_setcred(pam_handle_t *pamh, int flags, + int argc, const char **argv); + +/* Account Management API's */ +int pam_sm_acct_mgmt(pam_handle_t *pamh, int flags, + int argc, const char **argv); + +/* Session Management API's */ +int pam_sm_open_session(pam_handle_t *pamh, int flags, + int argc, const char **argv); + +int pam_sm_close_session(pam_handle_t *pamh, int flags, + int argc, const char **argv); + +/* Password Management API's */ +int pam_sm_chauthtok(pam_handle_t *pamh, int flags, + int argc, const char **argv); + +/* The following two flags are for use across the Linux-PAM/module + * interface only. The Application is not permitted to use these + * tokens. + * + * The password service should only perform preliminary checks. No + * passwords should be updated. */ +#define PAM_PRELIM_CHECK 0x4000 + +/* The password service should update passwords Note: PAM_PRELIM_CHECK + * and PAM_UPDATE_AUTHTOK cannot both be set simultaneously! */ +#define PAM_UPDATE_AUTHTOK 0x2000 + + +/* + * here are some proposed error status definitions for the + * 'error_status' argument used by the cleanup function associated + * with data items they should be logically OR'd with the error_status + * of the latest return from libpam -- new with .52 and positive + * impression from Sun although not official as of 1996/9/4 there are + * others in _pam_types.h -- they are for common module/app use. + */ + +#define PAM_DATA_REPLACE 0x20000000 /* used when replacing a data item */ + +/* PAM_EXTERN isn't needed anymore, but don't remove it to not break + lot of external code using it. */ +#define PAM_EXTERN extern + +/* take care of any compatibility issues */ +#include + +#ifdef __cplusplus +} +#endif + +/* Copyright (C) Theodore Ts'o, 1996. + * Copyright (C) Andrew Morgan, 1996-8. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU General Public License, in which case the provisions of the + * GNU GPL are required INSTEAD OF the above restrictions. (This + * clause is necessary due to a potential bad interaction between the + * GNU GPL and the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. */ + +#endif /* _SECURITY_PAM_MODULES_H */ diff --git a/libpam/include/security/pam_modutil.h b/libpam/include/security/pam_modutil.h new file mode 100644 index 0000000..33f87b9 --- /dev/null +++ b/libpam/include/security/pam_modutil.h @@ -0,0 +1,160 @@ +/* + * Copyright (c) 2001-2002 Andrew Morgan + * + * + * + * This file is a list of handy libc wrappers that attempt to provide some + * thread-safe and other convenient functionality to modules in a common form. + * + * A number of these functions reserve space in a pam_[sg]et_data item. + * In all cases, the name of the item is prefixed with "pam_modutil_*". + * + * On systems that simply can't support thread safe programming, these + * functions don't support it either - sorry. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _SECURITY__PAM_MODUTIL_H +#define _SECURITY__PAM_MODUTIL_H + +#include +#include +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif + +#include + +extern int PAM_NONNULL((1,2)) +pam_modutil_check_user_in_passwd(pam_handle_t *pamh, + const char *user_name, + const char *file_name); + +extern struct passwd * PAM_NONNULL((1,2)) +pam_modutil_getpwnam(pam_handle_t *pamh, const char *user); + +extern struct passwd * PAM_NONNULL((1)) +pam_modutil_getpwuid(pam_handle_t *pamh, uid_t uid); + +extern struct group * PAM_NONNULL((1,2)) +pam_modutil_getgrnam(pam_handle_t *pamh, const char *group); + +extern struct group * PAM_NONNULL((1)) +pam_modutil_getgrgid(pam_handle_t *pamh, gid_t gid); + +extern struct spwd * PAM_NONNULL((1,2)) +pam_modutil_getspnam(pam_handle_t *pamh, const char *user); + +extern int PAM_NONNULL((1,2,3)) +pam_modutil_user_in_group_nam_nam(pam_handle_t *pamh, + const char *user, + const char *group); + +extern int PAM_NONNULL((1,2)) +pam_modutil_user_in_group_nam_gid(pam_handle_t *pamh, + const char *user, + gid_t group); + +extern int PAM_NONNULL((1,3)) +pam_modutil_user_in_group_uid_nam(pam_handle_t *pamh, + uid_t user, + const char *group); + +extern int PAM_NONNULL((1)) +pam_modutil_user_in_group_uid_gid(pam_handle_t *pamh, + uid_t user, + gid_t group); + +extern const char * PAM_NONNULL((1)) +pam_modutil_getlogin(pam_handle_t *pamh); + +extern int +pam_modutil_read(int fd, char *buffer, int count); + +extern int +pam_modutil_write(int fd, const char *buffer, int count); + +extern int PAM_NONNULL((1,3)) +pam_modutil_audit_write(pam_handle_t *pamh, int type, + const char *message, int retval); + +struct pam_modutil_privs { + gid_t *grplist; + int number_of_groups; + int allocated; + gid_t old_gid; + uid_t old_uid; + int is_dropped; +}; + +#define PAM_MODUTIL_NGROUPS 64 +#define PAM_MODUTIL_DEF_PRIVS(n) \ + gid_t n##_grplist[PAM_MODUTIL_NGROUPS]; \ + struct pam_modutil_privs n = { n##_grplist, PAM_MODUTIL_NGROUPS, 0, -1, -1, 0 } + +extern int PAM_NONNULL((1,2,3)) +pam_modutil_drop_priv(pam_handle_t *pamh, + struct pam_modutil_privs *p, + const struct passwd *pw); + +extern int PAM_NONNULL((1,2)) +pam_modutil_regain_priv(pam_handle_t *pamh, + struct pam_modutil_privs *p); + +enum pam_modutil_redirect_fd { + PAM_MODUTIL_IGNORE_FD, /* do not redirect */ + PAM_MODUTIL_PIPE_FD, /* redirect to a pipe */ + PAM_MODUTIL_NULL_FD, /* redirect to /dev/null */ +}; + +/* redirect standard descriptors, close all other descriptors. */ +extern int PAM_NONNULL((1)) +pam_modutil_sanitize_helper_fds(pam_handle_t *pamh, + enum pam_modutil_redirect_fd redirect_stdin, + enum pam_modutil_redirect_fd redirect_stdout, + enum pam_modutil_redirect_fd redirect_stderr); + +/* lookup a value for key in login.defs file or similar key value format */ +extern char * PAM_NONNULL((1,2,3)) +pam_modutil_search_key(pam_handle_t *pamh, + const char *file_name, + const char *key); + +#ifdef __cplusplus +} +#endif + +#endif /* _SECURITY__PAM_MODUTIL_H */ diff --git a/libpam/include/test_assert.h b/libpam/include/test_assert.h new file mode 100644 index 0000000..9d30d62 --- /dev/null +++ b/libpam/include/test_assert.h @@ -0,0 +1,55 @@ +/* + * Assert definitions for tests. + * + * Copyright (c) 2020 Dmitry V. Levin + */ + +#ifndef TEST_ASSERT_H +# define TEST_ASSERT_H + +# ifdef HAVE_CONFIG_H +# include +# endif + +# include +# include + +# define ASSERT_(expected_, expected_str_, op_, seen_, seen_str_) \ + do { \ + __typeof__(expected_) e_ = (expected_); \ + __typeof__(seen_) s_ = (seen_); \ + if (e_ op_ s_) break; \ + fprintf(stderr, \ + "%s:%d: Assertion failed: %s (%#lx) %s %s (%#lx)\n", \ + __FILE__, __LINE__, \ + (expected_str_), (unsigned long) e_, #op_, \ + (seen_str_), (unsigned long) s_); \ + abort(); \ + } while (0) \ +/* End of ASSERT_ definition. */ + +# define ASSERT_EQ(expected_, seen_) \ + ASSERT_((expected_), #expected_, ==, (seen_), #seen_) \ +/* End of ASSERT_EQ definition. */ + +# define ASSERT_NE(expected_, seen_) \ + ASSERT_((expected_), #expected_, !=, (seen_), #seen_) \ +/* End of ASSERT_NE definition. */ + +# define ASSERT_LT(expected_, seen_) \ + ASSERT_((expected_), #expected_, <, (seen_), #seen_) \ +/* End of ASSERT_LT definition. */ + +# define ASSERT_LE(expected_, seen_) \ + ASSERT_((expected_), #expected_, <=, (seen_), #seen_) \ +/* End of ASSERT_LT definition. */ + +# define ASSERT_GT(expected_, seen_) \ + ASSERT_((expected_), #expected_, >, (seen_), #seen_) \ +/* End of ASSERT_LT definition. */ + +# define ASSERT_GE(expected_, seen_) \ + ASSERT_((expected_), #expected_, >=, (seen_), #seen_) \ +/* End of ASSERT_LT definition. */ + +#endif /* TEST_ASSERT_H */ diff --git a/libpam/libpam.map b/libpam/libpam.map new file mode 100644 index 0000000..3cc7ef3 --- /dev/null +++ b/libpam/libpam.map @@ -0,0 +1,89 @@ +LIBPAM_1.0 { + global: + pam_acct_mgmt; + pam_authenticate; + pam_chauthtok; + pam_close_session; + pam_end; + pam_open_session; + pam_setcred; + pam_start; + pam_getenv; + pam_putenv; + pam_getenvlist; + pam_set_item; + pam_get_item; + pam_strerror; + pam_fail_delay; + pam_set_data; + pam_get_data; + pam_get_user; + + local: + *; +}; +LIBPAM_EXTENSION_1.0 { + global: + pam_prompt; + pam_vprompt; + pam_syslog; + pam_vsyslog; +}; + +LIBPAM_EXTENSION_1.1 { + global: + pam_get_authtok; +} LIBPAM_EXTENSION_1.0; + +LIBPAM_EXTENSION_1.1.1 { + global: + pam_get_authtok_noverify; + pam_get_authtok_verify; +} LIBPAM_EXTENSION_1.1; + +LIBPAM_MODUTIL_1.0 { + global: + pam_modutil_getpwnam; + pam_modutil_getpwuid; + pam_modutil_getgrnam; + pam_modutil_getgrgid; + pam_modutil_getspnam; + pam_modutil_user_in_group_nam_nam; + pam_modutil_user_in_group_nam_gid; + pam_modutil_user_in_group_uid_nam; + pam_modutil_user_in_group_uid_gid; + pam_modutil_getlogin; + pam_modutil_read; + pam_modutil_write; +}; + +LIBPAM_MODUTIL_1.1 { + global: + pam_modutil_audit_write; +} LIBPAM_MODUTIL_1.0; + +LIBPAM_MODUTIL_1.1.3 { + global: + pam_modutil_drop_priv; + pam_modutil_regain_priv; +} LIBPAM_MODUTIL_1.1; + +LIBPAM_MODUTIL_1.1.9 { + global: + pam_modutil_sanitize_helper_fds; +} LIBPAM_MODUTIL_1.1.3; + +LIBPAM_MODUTIL_1.3.2 { + global: + pam_modutil_search_key; +} LIBPAM_MODUTIL_1.1.9; + +LIBPAM_1.4 { + global: + pam_start_confdir; +} LIBPAM_1.0; + +LIBPAM_MODUTIL_1.4.1 { + global: + pam_modutil_check_user_in_passwd; +} LIBPAM_MODUTIL_1.3.2; diff --git a/libpam/pam.pc.in b/libpam/pam.pc.in new file mode 100644 index 0000000..a7cf852 --- /dev/null +++ b/libpam/pam.pc.in @@ -0,0 +1,9 @@ +libdir=@libdir@ +includedir=@includedir@ + +Name: PAM +Description: The primary Linux-PAM library. It is used by PAM modules and PAM-aware applications. +URL: http://www.linux-pam.org/ +Version: @VERSION@ +Cflags: -I${includedir} +Libs: -L${libdir} -lpam diff --git a/libpam/pam_account.c b/libpam/pam_account.c new file mode 100644 index 0000000..3a4fb1f --- /dev/null +++ b/libpam/pam_account.c @@ -0,0 +1,23 @@ +/* pam_account.c - PAM Account Management */ + +#include "pam_private.h" + +#include + +int pam_acct_mgmt(pam_handle_t *pamh, int flags) +{ + int retval; + + D(("called")); + + IF_NO_PAMH("pam_acct_mgmt", pamh, PAM_SYSTEM_ERR); + + if (__PAM_FROM_MODULE(pamh)) { + D(("called from module!?")); + return PAM_SYSTEM_ERR; + } + + retval = _pam_dispatch(pamh, flags, PAM_ACCOUNT); + + return retval; +} diff --git a/libpam/pam_audit.c b/libpam/pam_audit.c new file mode 100644 index 0000000..97a9a92 --- /dev/null +++ b/libpam/pam_audit.c @@ -0,0 +1,242 @@ +/* pam_audit.c -- Instrumentation code for Linux Auditing System */ + +/* (C) 2005-2006 Red Hat, Inc. -- Licensing details are in the COPYING + file accompanying the Linux-PAM source distribution. + + Authors: + Steve Grubb */ + +#include "pam_private.h" +#include "pam_modutil_private.h" + +#ifdef HAVE_LIBAUDIT +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define PAMAUDIT_LOGGED 1 + +static int +_pam_audit_writelog(pam_handle_t *pamh, int audit_fd, int type, + const char *message, const char *grantors, int retval) +{ + static int old_errno = -1; + int rc = -ENOMEM; + char *buf; + const char *grantors_field = " grantors="; + + if (grantors == NULL) { + grantors = ""; + grantors_field = ""; + } + + if (asprintf(&buf, "PAM:%s%s%s", message, grantors_field, grantors) >= 0) { + rc = audit_log_acct_message(audit_fd, type, NULL, buf, + (retval != PAM_USER_UNKNOWN && pamh->user) ? pamh->user : "?", + -1, pamh->rhost, NULL, pamh->tty, retval == PAM_SUCCESS); + free(buf); + } + + /* libaudit sets errno to his own negative error code. This can be + an official errno number, but must not. It can also be a audit + internal error code. Which makes errno useless :-((. Try the + best to fix it. */ + errno = -rc; + + pamh->audit_state |= PAMAUDIT_LOGGED; + + if (rc < 0) { + if (rc == -EPERM) + return 0; + if (errno != old_errno) { + old_errno = errno; + pam_syslog (pamh, LOG_CRIT, "audit_log_acct_message() failed: %m"); + } + } + return rc; +} + +static int +_pam_audit_open(pam_handle_t *pamh) +{ + int audit_fd; + audit_fd = audit_open(); + if (audit_fd < 0) { + /* You get these error codes only when the kernel doesn't have + * audit compiled in. */ + if (errno == EINVAL || errno == EPROTONOSUPPORT || + errno == EAFNOSUPPORT) + return -2; + + /* this should only fail in case of extreme resource shortage, + * need to prevent login in that case for CAPP compliance. + */ + pam_syslog(pamh, LOG_CRIT, "audit_open() failed: %m"); + return -1; + } + + return audit_fd; +} + +static int +_pam_list_grantors(struct handler *hlist, int retval, char **list) +{ + *list = NULL; + + if (retval == PAM_SUCCESS) { + struct handler *h; + char *p = NULL; + size_t len = 0; + + for (h = hlist; h != NULL; h = h->next) { + if (h->grantor) { + len += strlen(h->mod_name) + 1; + } + } + + if (len == 0) { + return 0; + } + + *list = malloc(len); + if (*list == NULL) { + return -1; + } + + for (h = hlist; h != NULL; h = h->next) { + if (h->grantor) { + if (p == NULL) { + p = *list; + } else { + p = stpcpy(p, ","); + } + + p = stpcpy(p, h->mod_name); + } + } + } + + return 0; +} + +int +_pam_auditlog(pam_handle_t *pamh, int action, int retval, int flags, struct handler *h) +{ + const char *message; + int type; + int audit_fd; + char *grantors; + + if ((audit_fd=_pam_audit_open(pamh)) == -1) { + return PAM_SYSTEM_ERR; + } else if (audit_fd == -2) { + return retval; + } + + switch (action) { + case PAM_AUTHENTICATE: + message = "authentication"; + type = AUDIT_USER_AUTH; + break; + case PAM_OPEN_SESSION: + message = "session_open"; + type = AUDIT_USER_START; + break; + case PAM_CLOSE_SESSION: + message = "session_close"; + type = AUDIT_USER_END; + break; + case PAM_ACCOUNT: + message = "accounting"; + type = AUDIT_USER_ACCT; + break; + case PAM_CHAUTHTOK: + message = "chauthtok"; + type = AUDIT_USER_CHAUTHTOK; + break; + case PAM_SETCRED: + message = "setcred"; + if (flags & PAM_ESTABLISH_CRED) + type = AUDIT_CRED_ACQ; + else if ((flags & PAM_REINITIALIZE_CRED) || (flags & PAM_REFRESH_CRED)) + type = AUDIT_CRED_REFR; + else if (flags & PAM_DELETE_CRED) + type = AUDIT_CRED_DISP; + else + type = AUDIT_USER_ERR; + break; + case _PAM_ACTION_DONE: + message = "bad_ident"; + type = AUDIT_USER_ERR; + break; + default: + message = "UNKNOWN"; + type = AUDIT_USER_ERR; + pam_syslog(pamh, LOG_CRIT, "_pam_auditlog() should never get here"); + retval = PAM_SYSTEM_ERR; + } + + if (_pam_list_grantors(h, retval, &grantors) < 0) { + /* allocation failure */ + pam_syslog(pamh, LOG_CRIT, "_pam_list_grantors() failed: %m"); + retval = PAM_SYSTEM_ERR; + } + + if (_pam_audit_writelog(pamh, audit_fd, type, message, + grantors ? grantors : "?", retval) < 0) + retval = PAM_SYSTEM_ERR; + + free(grantors); + + audit_close(audit_fd); + return retval; +} + +int +_pam_audit_end(pam_handle_t *pamh, int status UNUSED) +{ + if (! (pamh->audit_state & PAMAUDIT_LOGGED)) { + /* PAM library is being shut down without any of the auditted + * stacks having been run. Assume that this is sshd faking + * things for an unknown user. + */ + _pam_auditlog(pamh, _PAM_ACTION_DONE, PAM_USER_UNKNOWN, 0, NULL); + } + + return 0; +} + +int +pam_modutil_audit_write(pam_handle_t *pamh, int type, + const char *message, int retval) +{ + int audit_fd; + int rc; + + if ((audit_fd=_pam_audit_open(pamh)) == -1) { + return PAM_SYSTEM_ERR; + } else if (audit_fd == -2) { + return retval; + } + + rc = _pam_audit_writelog(pamh, audit_fd, type, message, NULL, retval); + + audit_close(audit_fd); + + return rc < 0 ? PAM_SYSTEM_ERR : PAM_SUCCESS; +} + +#else +int pam_modutil_audit_write(pam_handle_t *pamh UNUSED, int type UNUSED, + const char *message UNUSED, int retval UNUSED) +{ + return PAM_SUCCESS; +} +#endif /* HAVE_LIBAUDIT */ diff --git a/libpam/pam_auth.c b/libpam/pam_auth.c new file mode 100644 index 0000000..1e7bc6e --- /dev/null +++ b/libpam/pam_auth.c @@ -0,0 +1,73 @@ +/* + * pam_auth.c -- PAM authentication + * + * $Id$ + * + */ + +#include "pam_private.h" +#include "pam_prelude.h" + +#include +#include + +int pam_authenticate(pam_handle_t *pamh, int flags) +{ + int retval; + + D(("pam_authenticate called")); + + IF_NO_PAMH("pam_authenticate", pamh, PAM_SYSTEM_ERR); + + if (__PAM_FROM_MODULE(pamh)) { + D(("called from module!?")); + return PAM_SYSTEM_ERR; + } + + if (pamh->former.choice == PAM_NOT_STACKED) { + _pam_sanitize(pamh); + _pam_start_timer(pamh); /* we try to make the time for a failure + independent of the time it takes to + fail */ + } + + retval = _pam_dispatch(pamh, flags, PAM_AUTHENTICATE); + + if (retval != PAM_INCOMPLETE) { + _pam_sanitize(pamh); + _pam_await_timer(pamh, retval); /* if unsuccessful then wait now */ + D(("pam_authenticate exit")); + } else { + D(("will resume when ready")); + } + +#ifdef PRELUDE + prelude_send_alert(pamh, retval); +#endif + + return retval; +} + +int pam_setcred(pam_handle_t *pamh, int flags) +{ + int retval; + + D(("pam_setcred called")); + + IF_NO_PAMH("pam_setcred", pamh, PAM_SYSTEM_ERR); + + if (__PAM_FROM_MODULE(pamh)) { + D(("called from module!?")); + return PAM_SYSTEM_ERR; + } + + if (! flags) { + flags = PAM_ESTABLISH_CRED; + } + + retval = _pam_dispatch(pamh, flags, PAM_SETCRED); + + D(("pam_setcred exit")); + + return retval; +} diff --git a/libpam/pam_data.c b/libpam/pam_data.c new file mode 100644 index 0000000..30570af --- /dev/null +++ b/libpam/pam_data.c @@ -0,0 +1,166 @@ +/* + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" + +#include "pam_private.h" + +#include +#include + +static struct pam_data *_pam_locate_data(const pam_handle_t *pamh, + const char *name) +{ + struct pam_data *data; + + D(("called")); + + IF_NO_PAMH("_pam_locate_data", pamh, NULL); + + data = pamh->data; + + while (data) { + if (!strcmp(data->name, name)) { + return data; + } + data = data->next; + } + + return NULL; +} + +int pam_set_data( + pam_handle_t *pamh, + const char *module_data_name, + void *data, + void (*cleanup)(pam_handle_t *pamh, void *data, int error_status)) +{ + struct pam_data *data_entry; + + D(("called")); + + IF_NO_PAMH("pam_set_data", pamh, PAM_SYSTEM_ERR); + + if (__PAM_FROM_APP(pamh)) { + D(("called from application!?")); + return PAM_SYSTEM_ERR; + } + + /* module_data_name should not be NULL */ + if (module_data_name == NULL) { + D(("called with NULL as module_data_name")); + return PAM_SYSTEM_ERR; + } + + /* first check if there is some data already. If so clean it up */ + + if ((data_entry = _pam_locate_data(pamh, module_data_name))) { + if (data_entry->cleanup) { + data_entry->cleanup(pamh, data_entry->data, + PAM_DATA_REPLACE | PAM_SUCCESS ); + } + } else if ((data_entry = malloc(sizeof(*data_entry)))) { + char *tname; + + if ((tname = _pam_strdup(module_data_name)) == NULL) { + pam_syslog(pamh, LOG_CRIT, + "pam_set_data: no memory for data name"); + _pam_drop(data_entry); + return PAM_BUF_ERR; + } + data_entry->next = pamh->data; + pamh->data = data_entry; + data_entry->name = tname; + } else { + pam_syslog(pamh, LOG_CRIT, + "pam_set_data: cannot allocate data entry"); + return PAM_BUF_ERR; + } + + data_entry->data = data; /* note this could be NULL */ + data_entry->cleanup = cleanup; + + return PAM_SUCCESS; +} + +int pam_get_data( + const pam_handle_t *pamh, + const char *module_data_name, + const void **datap) +{ + struct pam_data *data; + + D(("called")); + + IF_NO_PAMH("pam_get_data", pamh, PAM_SYSTEM_ERR); + + if (__PAM_FROM_APP(pamh)) { + D(("called from application!?")); + return PAM_SYSTEM_ERR; + } + + /* module_data_name should not be NULL */ + if (module_data_name == NULL) { + D(("called with NULL as module_data_name")); + return PAM_SYSTEM_ERR; + } + + data = _pam_locate_data(pamh, module_data_name); + if (data) { + *datap = data->data; + return PAM_SUCCESS; + } + + return PAM_NO_MODULE_DATA; +} + +void _pam_free_data(pam_handle_t *pamh, int status) +{ + struct pam_data *last; + struct pam_data *data; + + D(("called")); + + IF_NO_PAMH("_pam_free_data", pamh, /* no return value for void fn */); + data = pamh->data; + + while (data) { + last = data; + data = data->next; + if (last->cleanup) { + last->cleanup(pamh, last->data, status); + } + _pam_drop(last->name); + _pam_drop(last); + } +} diff --git a/libpam/pam_delay.c b/libpam/pam_delay.c new file mode 100644 index 0000000..549da89 --- /dev/null +++ b/libpam/pam_delay.c @@ -0,0 +1,160 @@ +/* + * pam_delay.c + * + * Copyright (c) Andrew G. Morgan 1996-9 + * All rights reserved. + * + * $Id$ + * + */ + +/* + * This is a simple implementation of a delay on failure mechanism; an + * attempt to overcome authentication-time attacks in a simple manner. + */ + +#include "pam_private.h" +#include +#include + +/* ********************************************************************** + * initialize the time as unset, this is set on the return from the + * authenticating pair of of the libpam pam_XXX calls. + */ + +void _pam_reset_timer(pam_handle_t *pamh) +{ + D(("setting pamh->fail_delay.set to FALSE")); + pamh->fail_delay.set = PAM_FALSE; +} + +/* ********************************************************************** + * this function sets the start time for possible delayed failing. + * + * Eventually, it may set the timer so libpam knows how long the program + * has already been executing. Currently, this value is used to seed + * a pseudo-random number generator... + */ + +void _pam_start_timer(pam_handle_t *pamh) +{ + pamh->fail_delay.begin = time(NULL); + D(("starting timer...")); +} + +/* ******************************************************************* + * Compute a pseudo random time. The value is base*(1 +/- 1/5) where + * the distribution is pseudo gaussian (the sum of three evenly + * distributed random numbers -- central limit theorem and all ;^) The + * linear random numbers are based on a formulae given in Knuth's + * Seminumerical recipes that was reproduced in `Numerical Recipes + * in C'. It is *not* a cryptographically strong generator, but it is + * probably "good enough" for our purposes here. + * + * /dev/random might be a better place to look for some numbers... + */ + +static unsigned int _pam_rand(unsigned int seed) +{ +#define N1 1664525 +#define N2 1013904223 + return N1*seed + N2; +} + +static unsigned int _pam_compute_delay(unsigned int seed, unsigned int base) +{ + int i; + double sum; + unsigned int ans; + + for (sum=i=0; i<3; ++i) { + seed = _pam_rand(seed); + sum += (double) ((seed / 10) % 1000000); + } + sum = (sum/3.)/1e6 - .5; /* rescale */ + ans = (unsigned int) ( base*(1.+sum) ); + D(("random number: base=%u -> ans=%u\n", base, ans)); + + return ans; +} + +/* ********************************************************************** + * By default, the following function sleeps for a random time. The + * actual time slept is computed above. It is based on the requested + * time but will differ by up to +/- 50%. If the PAM_FAIL_DELAY item is + * set by the client, this function will call the function referenced by + * that item, overriding the default behavior. + */ + +void _pam_await_timer(pam_handle_t *pamh, int status) +{ + unsigned int delay; + D(("waiting?...")); + + delay = _pam_compute_delay(pamh->fail_delay.begin, + pamh->fail_delay.delay); + if (pamh->fail_delay.delay_fn_ptr) { + union { + const void *value; + void (*fn)(int, unsigned, void *); + } hack_fn_u; + void *appdata_ptr; + + if (pamh->pam_conversation) { + appdata_ptr = pamh->pam_conversation->appdata_ptr; + } else { + appdata_ptr = NULL; + } + + /* always call the applications delay function, even if + the delay is zero - indicate status */ + hack_fn_u.value = pamh->fail_delay.delay_fn_ptr; + hack_fn_u.fn(status, delay, appdata_ptr); + + } else if (status != PAM_SUCCESS && pamh->fail_delay.set) { + + D(("will wait %u usec", delay)); + + if (delay > 0) { + struct timeval tval; + + tval.tv_sec = delay / 1000000; + tval.tv_usec = delay % 1000000; + select(0, NULL, NULL, NULL, &tval); + } + } + + _pam_reset_timer(pamh); + D(("waiting done")); +} + +/* ********************************************************************** + * this function is known to both the module and the application, it + * keeps a running score of the largest-requested delay so far, as + * specified by either modules or an application. + */ + +int pam_fail_delay(pam_handle_t *pamh, unsigned int usec) +{ + unsigned int largest; + + IF_NO_PAMH("pam_fail_delay", pamh, PAM_SYSTEM_ERR); + + D(("setting delay to %u",usec)); + + if (pamh->fail_delay.set) { + largest = pamh->fail_delay.delay; + } else { + pamh->fail_delay.set = PAM_TRUE; + largest = 0; + } + + D(("largest = %u",largest)); + + if (largest < usec) { + D(("resetting largest delay")); + pamh->fail_delay.delay = usec; + } + + return PAM_SUCCESS; +} diff --git a/libpam/pam_dispatch.c b/libpam/pam_dispatch.c new file mode 100644 index 0000000..974104a --- /dev/null +++ b/libpam/pam_dispatch.c @@ -0,0 +1,447 @@ +/* pam_dispatch.c - handles module function dispatch */ + +/* + * Copyright (c) 1998, 2005 Andrew G. Morgan + * + */ + +#include "pam_private.h" + +#include +#include + +/* + * this is the return code we return when a function pointer is NULL + * or, the handler structure indicates a broken module config line + */ +#define PAM_MUST_FAIL_CODE PAM_PERM_DENIED + +/* impression codes - this gives some sense to the logical choices */ +#define _PAM_UNDEF 0 +#define _PAM_POSITIVE +1 +#define _PAM_NEGATIVE -1 + +/* frozen chain required codes */ +#define _PAM_PLEASE_FREEZE 0 +#define _PAM_MAY_BE_FROZEN 1 +#define _PAM_MUST_BE_FROZEN 2 + +/* + * walk a stack of modules. Interpret the administrator's instructions + * when combining the return code of each module. + */ + +static int _pam_dispatch_aux(pam_handle_t *pamh, int flags, struct handler *h, + _pam_boolean resumed, int use_cached_chain) +{ + int depth, impression, status, skip_depth, prev_level, stack_level; + struct _pam_substack_state *substates = NULL; + + IF_NO_PAMH("_pam_dispatch_aux", pamh, PAM_SYSTEM_ERR); + + if (h == NULL) { + const void *service=NULL; + + (void) pam_get_item(pamh, PAM_SERVICE, &service); + pam_syslog(pamh, LOG_ERR, "no modules loaded for `%s' service", + service ? (const char *)service:"" ); + service = NULL; + return PAM_MUST_FAIL_CODE; + } + + /* if we are recalling this module stack because a former call did + not complete, we restore the state of play from pamh. */ + if (resumed) { + skip_depth = pamh->former.depth; + status = pamh->former.status; + impression = pamh->former.impression; + substates = pamh->former.substates; + /* forget all that */ + pamh->former.impression = _PAM_UNDEF; + pamh->former.status = PAM_MUST_FAIL_CODE; + pamh->former.depth = 0; + pamh->former.substates = NULL; + } else { + skip_depth = 0; + substates = malloc(PAM_SUBSTACK_MAX_LEVEL * sizeof(*substates)); + if (substates == NULL) { + pam_syslog(pamh, LOG_CRIT, + "_pam_dispatch_aux: no memory for substack states"); + return PAM_BUF_ERR; + } + substates[0].impression = impression = _PAM_UNDEF; + substates[0].status = status = PAM_MUST_FAIL_CODE; + } + + prev_level = 0; + + /* Loop through module logic stack */ + for (depth=0 ; h != NULL ; prev_level = stack_level, h = h->next, ++depth) { + int retval, cached_retval, action; + + stack_level = h->stack_level; + + /* skip leading modules if they have already returned */ + if (depth < skip_depth) { + continue; + } + + /* remember state if we are entering a substack */ + if (prev_level < stack_level) { + substates[stack_level].impression = impression; + substates[stack_level].status = status; + } + + /* attempt to call the module */ + if (h->handler_type == PAM_HT_MUST_FAIL) { + D(("module poorly listed in PAM config; forcing failure")); + retval = PAM_MUST_FAIL_CODE; + } else if (h->handler_type == PAM_HT_SUBSTACK) { + D(("skipping substack handler")); + continue; + } else if (h->func == NULL) { + D(("module function is not defined, indicating failure")); + retval = PAM_MODULE_UNKNOWN; + } else { + D(("passing control to module...")); + pamh->mod_name=h->mod_name; + pamh->mod_argc = h->argc; + pamh->mod_argv = h->argv; + retval = h->func(pamh, flags, h->argc, h->argv); + pamh->mod_name=NULL; + pamh->mod_argc = 0; + pamh->mod_argv = NULL; + D(("module returned: %s", pam_strerror(pamh, retval))); + } + + /* + * PAM_INCOMPLETE return is special. It indicates that the + * module wants to wait for the application before continuing. + * In order to return this, the module will have saved its + * state so it can resume from an equivalent position when it + * is called next time. (This was added as of 0.65) + */ + if (retval == PAM_INCOMPLETE) { + pamh->former.impression = impression; + pamh->former.status = status; + pamh->former.depth = depth; + pamh->former.substates = substates; + + D(("module %d returned PAM_INCOMPLETE", depth)); + return retval; + } + + /* + * use_cached_chain is how we ensure that the setcred and + * close_session modules are called in the same order as they did + * when they were invoked as auth/open_session. This feature was + * added in 0.75 to make the behavior of pam_setcred sane. + */ + if (use_cached_chain != _PAM_PLEASE_FREEZE) { + + /* a former stack execution should have frozen the chain */ + + cached_retval = *(h->cached_retval_p); + if (cached_retval == _PAM_INVALID_RETVAL) { + + /* This may be a problem condition. It implies that + the application is running setcred, close_session, + chauthtok(2nd) without having first run + authenticate, open_session, chauthtok(1st) + [respectively]. */ + + D(("use_cached_chain is set to [%d]," + " but cached_retval == _PAM_INVALID_RETVAL", + use_cached_chain)); + + /* In the case of close_session and setcred there is a + backward compatibility reason for allowing this, in + the chauthtok case we have encountered a bug in + libpam! */ + + if (use_cached_chain == _PAM_MAY_BE_FROZEN) { + /* (not ideal) force non-frozen stack control. */ + cached_retval = retval; + } else { + D(("BUG in libpam -" + " chain is required to be frozen but isn't")); + + /* cached_retval is already _PAM_INVALID_RETVAL */ + } + } + } else { + /* this stack execution is defining the frozen chain */ + cached_retval = h->cached_retval = retval; + } + + /* verify that the return value is a valid one */ + if ((cached_retval < PAM_SUCCESS) + || (cached_retval >= _PAM_RETURN_VALUES)) { + + retval = PAM_MUST_FAIL_CODE; + action = _PAM_ACTION_BAD; + } else { + /* We treat the current retval with some respect. It may + (for example, in the case of setcred) have a value that + needs to be propagated to the user. We want to use the + cached_retval to determine the modules to be executed + in the stacked chain, but we want to treat each + non-ignored module in the cached chain as now being + 'required'. We only need to treat the, + _PAM_ACTION_IGNORE, _PAM_ACTION_IS_JUMP and + _PAM_ACTION_RESET actions specially. */ + + action = h->actions[cached_retval]; + } + + D(("use_cached_chain=%d action=%d cached_retval=%d retval=%d", + use_cached_chain, action, cached_retval, retval)); + + /* decide what to do */ + switch (action) { + case _PAM_ACTION_RESET: + + impression = substates[stack_level].impression; + status = substates[stack_level].status; + break; + + case _PAM_ACTION_OK: + case _PAM_ACTION_DONE: + + if ( impression == _PAM_UNDEF + || (impression == _PAM_POSITIVE && status == PAM_SUCCESS) ) { + /* in case of using cached chain + we could get here with PAM_IGNORE - don't return it */ + if ( retval != PAM_IGNORE || cached_retval == retval ) { + impression = _PAM_POSITIVE; + status = retval; + } + } + if ( impression == _PAM_POSITIVE ) { + if ( retval == PAM_SUCCESS ) { + h->grantor = 1; + } + + if ( action == _PAM_ACTION_DONE ) { + goto decision_made; + } + } + break; + + case _PAM_ACTION_BAD: + case _PAM_ACTION_DIE: +#ifdef PAM_FAIL_NOW_ON + if ( cached_retval == PAM_ABORT ) { + impression = _PAM_NEGATIVE; + status = PAM_PERM_DENIED; + goto decision_made; + } +#endif /* PAM_FAIL_NOW_ON */ + if ( impression != _PAM_NEGATIVE ) { + impression = _PAM_NEGATIVE; + /* Don't return with PAM_IGNORE as status */ + if ( retval == PAM_IGNORE ) + status = PAM_MUST_FAIL_CODE; + else + status = retval; + } + if ( action == _PAM_ACTION_DIE ) { + goto decision_made; + } + break; + + case _PAM_ACTION_IGNORE: + break; + + /* if we get here, we expect action is a positive number -- + this is what the ...JUMP macro checks. */ + + default: + if ( _PAM_ACTION_IS_JUMP(action) ) { + + /* If we are evaluating a cached chain, we treat this + module as required (aka _PAM_ACTION_OK) as well as + executing the jump. */ + + if (use_cached_chain) { + if (impression == _PAM_UNDEF + || (impression == _PAM_POSITIVE + && status == PAM_SUCCESS) ) { + if ( retval != PAM_IGNORE || cached_retval == retval ) { + if ( impression == _PAM_UNDEF && retval == PAM_SUCCESS ) { + h->grantor = 1; + } + impression = _PAM_POSITIVE; + status = retval; + } + } + } + + /* this means that we need to skip #action stacked modules */ + while (h->next != NULL && h->next->stack_level >= stack_level && action > 0) { + do { + h = h->next; + ++depth; + } while (h->next != NULL && h->next->stack_level > stack_level); + --action; + } + + /* note if we try to skip too many modules action is + still non-zero and we snag the next if. */ + } + + /* this case is a syntax error: we can't succeed */ + if (action) { + pam_syslog(pamh, LOG_ERR, "bad jump in stack"); + impression = _PAM_NEGATIVE; + status = PAM_MUST_FAIL_CODE; + } + } + continue; + +decision_made: /* by getting here we have made a decision */ + while (h->next != NULL && h->next->stack_level >= stack_level) { + h = h->next; + ++depth; + } + } + + /* Sanity check */ + if ( status == PAM_SUCCESS && impression != _PAM_POSITIVE ) { + D(("caught on sanity check -- this is probably a config error!")); + status = PAM_MUST_FAIL_CODE; + } + + free(substates); + /* We have made a decision about the modules executed */ + return status; +} + +static void _pam_clear_grantors(struct handler *h) +{ + for (; h != NULL; h = h->next) { + h->grantor = 0; + } +} + +/* + * This function translates the module dispatch request into a pointer + * to the stack of modules that will actually be run. the + * _pam_dispatch_aux() function (above) is responsible for walking the + * module stack. + */ + +int _pam_dispatch(pam_handle_t *pamh, int flags, int choice) +{ + struct handler *h = NULL; + int retval = PAM_SYSTEM_ERR, use_cached_chain; + _pam_boolean resumed; + + IF_NO_PAMH("_pam_dispatch", pamh, PAM_SYSTEM_ERR); + + if (__PAM_FROM_MODULE(pamh)) { + D(("called from a module!?")); + goto end; + } + + /* Load all modules, resolve all symbols */ + + if ((retval = _pam_init_handlers(pamh)) != PAM_SUCCESS) { + pam_syslog(pamh, LOG_ERR, "unable to dispatch function"); + goto end; + } + + use_cached_chain = _PAM_PLEASE_FREEZE; + + switch (choice) { + case PAM_AUTHENTICATE: + h = pamh->handlers.conf.authenticate; + break; + case PAM_SETCRED: + h = pamh->handlers.conf.setcred; + use_cached_chain = _PAM_MAY_BE_FROZEN; + break; + case PAM_ACCOUNT: + h = pamh->handlers.conf.acct_mgmt; + break; + case PAM_OPEN_SESSION: + h = pamh->handlers.conf.open_session; + break; + case PAM_CLOSE_SESSION: + h = pamh->handlers.conf.close_session; + use_cached_chain = _PAM_MAY_BE_FROZEN; + break; + case PAM_CHAUTHTOK: + h = pamh->handlers.conf.chauthtok; + break; + default: + pam_syslog(pamh, LOG_ERR, "undefined fn choice; %d", choice); + retval = PAM_ABORT; + goto end; + } + + if (h == NULL) { /* there was no handlers.conf... entry; will use + * handlers.other... */ + switch (choice) { + case PAM_AUTHENTICATE: + h = pamh->handlers.other.authenticate; + break; + case PAM_SETCRED: + h = pamh->handlers.other.setcred; + break; + case PAM_ACCOUNT: + h = pamh->handlers.other.acct_mgmt; + break; + case PAM_OPEN_SESSION: + h = pamh->handlers.other.open_session; + break; + case PAM_CLOSE_SESSION: + h = pamh->handlers.other.close_session; + break; + case PAM_CHAUTHTOK: + h = pamh->handlers.other.chauthtok; + break; + } + } + + /* Did a module return an "incomplete state" last time? */ + if (pamh->former.choice != PAM_NOT_STACKED) { + if (pamh->former.choice != choice) { + pam_syslog(pamh, LOG_ERR, + "application failed to re-exec stack [%d:%d]", + pamh->former.choice, choice); + retval = PAM_ABORT; + goto end; + } + resumed = PAM_TRUE; + } else { + resumed = PAM_FALSE; + _pam_clear_grantors(h); + } + + __PAM_TO_MODULE(pamh); + + /* call the list of module functions */ + pamh->choice = choice; + retval = _pam_dispatch_aux(pamh, flags, h, resumed, use_cached_chain); + + __PAM_TO_APP(pamh); + + /* Should we recall where to resume next time? */ + if (retval == PAM_INCOMPLETE) { + D(("module [%d] returned PAM_INCOMPLETE")); + pamh->former.choice = choice; + } else { + pamh->former.choice = PAM_NOT_STACKED; + } + +end: + +#ifdef HAVE_LIBAUDIT + if (choice != PAM_CHAUTHTOK || flags & PAM_UPDATE_AUTHTOK || retval != PAM_SUCCESS) { + retval = _pam_auditlog(pamh, choice, retval, flags, h); + } +#endif + + return retval; +} diff --git a/libpam/pam_dynamic.c b/libpam/pam_dynamic.c new file mode 100644 index 0000000..c063083 --- /dev/null +++ b/libpam/pam_dynamic.c @@ -0,0 +1,138 @@ +/* + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "pam_private.h" + +#ifdef PAM_SHL +# include +#elif defined(PAM_DYLD) +# include +#else /* PAM_SHL */ +# include +#endif /* PAM_SHL */ + +#ifndef SHLIB_SYM_PREFIX +#define SHLIB_SYM_PREFIX "_" +#endif + +void *_pam_dlopen(const char *mod_path) +{ +#ifdef PAM_SHL + return shl_load(mod_path, BIND_IMMEDIATE, 0L); +#elif defined(PAM_DYLD) + NSObjectFileImage ofile; + void *ret = NULL; + + if (NSCreateObjectFileImageFromFile(mod_path, &ofile) != + NSObjectFileImageSuccess ) + return NULL; + + ret = NSLinkModule(ofile, mod_path, NSLINKMODULE_OPTION_PRIVATE | NSLINKMODULE_OPTION_BINDNOW); + NSDestroyObjectFileImage(ofile); + + return ret; +#else + return dlopen(mod_path, RTLD_NOW); +#endif +} + +servicefn _pam_dlsym(void *handle, const char *symbol) +{ +#ifdef PAM_SHL + char *_symbol = NULL; + servicefn ret; + + if( symbol == NULL ) + return NULL; + + if( shl_findsym(&handle, symbol, (short) TYPE_PROCEDURE, &ret ){ + _symbol = malloc( strlen(symbol) + sizeof(SHLIB_SYM_PREFIX) + 1 ); + if( _symbol == NULL ) + return NULL; + strcpy(_symbol, SHLIB_SYM_PREFIX); + strcat(_symbol, symbol); + if( shl_findsym(&handle, _symbol, + (short) TYPE_PROCEDURE, &ret ){ + free(_symbol); + return NULL; + } + free(_symbol); + } + + return ret; + +#elif defined(PAM_DYLD) + NSSymbol nsSymbol; + char *_symbol; + + if( symbol == NULL ) + return NULL; + _symbol = malloc( strlen(symbol) + 2 ); + if( _symbol == NULL ) + return NULL; + strcpy(_symbol, SHLIB_SYM_PREFIX); + strcat(_symbol, symbol); + + nsSymbol = NSLookupSymbolInModule(handle, _symbol); + if( nsSymbol == NULL ) + return NULL; + free(_symbol); + + return (servicefn)NSAddressOfSymbol(nsSymbol); +#else + return (servicefn) dlsym(handle, symbol); +#endif +} + +void _pam_dlclose(void *handle) +{ +#ifdef PAM_SHL + shl_unload(handle); +#elif defined(PAM_DYLD) + NSUnLinkModule((NSModule)handle, NSUNLINKMODULE_OPTION_NONE); +#else + dlclose(handle); +#endif + + return; +} + +const char * +_pam_dlerror (void) +{ +#if defined(PAM_SHL) || defined(PAM_DYLD) + return "unknown"; +#else + return dlerror (); +#endif +} diff --git a/libpam/pam_end.c b/libpam/pam_end.c new file mode 100644 index 0000000..406b147 --- /dev/null +++ b/libpam/pam_end.c @@ -0,0 +1,98 @@ +/* pam_end.c */ + +/* + * $Id$ + */ + +#include "pam_private.h" + +#include + +int pam_end(pam_handle_t *pamh, int pam_status) +{ + int ret; + + D(("entering pam_end()")); + + IF_NO_PAMH("pam_end", pamh, PAM_SYSTEM_ERR); + + if (__PAM_FROM_MODULE(pamh)) { + D(("called from module!?")); + return PAM_SYSTEM_ERR; + } + +#ifdef HAVE_LIBAUDIT + _pam_audit_end(pamh, pam_status); +#endif + + /* first liberate the modules (it is not inconcevible that the + modules may need to use the service_name etc. to clean up) */ + + _pam_free_data(pamh, pam_status); + + /* now drop all modules */ + + if ((ret = _pam_free_handlers(pamh)) != PAM_SUCCESS) { + return ret; /* error occurred */ + } + + /* from this point we cannot call the modules any more. Free the remaining + memory used by the Linux-PAM interface */ + + _pam_drop_env(pamh); /* purge the environment */ + + _pam_overwrite(pamh->authtok); /* blank out old token */ + _pam_drop(pamh->authtok); + + _pam_overwrite(pamh->oldauthtok); /* blank out old token */ + _pam_drop(pamh->oldauthtok); + + _pam_overwrite(pamh->former.prompt); + _pam_drop(pamh->former.prompt); /* drop saved prompt */ + + _pam_overwrite(pamh->service_name); + _pam_drop(pamh->service_name); + + _pam_overwrite(pamh->user); + _pam_drop(pamh->user); + + _pam_overwrite(pamh->confdir); + _pam_drop(pamh->confdir); + + _pam_overwrite(pamh->prompt); + _pam_drop(pamh->prompt); /* prompt for pam_get_user() */ + + _pam_overwrite(pamh->tty); + _pam_drop(pamh->tty); + + _pam_overwrite(pamh->rhost); + _pam_drop(pamh->rhost); + + _pam_overwrite(pamh->ruser); + _pam_drop(pamh->ruser); + + _pam_drop(pamh->pam_conversation); + pamh->fail_delay.delay_fn_ptr = NULL; + + _pam_drop(pamh->former.substates); + + _pam_overwrite(pamh->xdisplay); + _pam_drop(pamh->xdisplay); + + _pam_overwrite(pamh->xauth.name); + _pam_drop(pamh->xauth.name); + _pam_overwrite_n(pamh->xauth.data, (unsigned int)pamh->xauth.datalen); + _pam_drop(pamh->xauth.data); + _pam_overwrite_n((char *)&pamh->xauth, sizeof(pamh->xauth)); + + _pam_overwrite(pamh->authtok_type); + _pam_drop(pamh->authtok_type); + + /* and finally liberate the memory for the pam_handle structure */ + + _pam_drop(pamh); + + D(("exiting pam_end() successfully")); + + return PAM_SUCCESS; +} diff --git a/libpam/pam_env.c b/libpam/pam_env.c new file mode 100644 index 0000000..1c8403d --- /dev/null +++ b/libpam/pam_env.c @@ -0,0 +1,392 @@ +/* + * pam_env.c + * + * Copyright (c) Andrew G. Morgan 1996,1997 + * All rights reserved. + * + * This file was written from a "hint" provided by the people at SUN. + * and the X/Open XSSO draft of March 1997. + * + * $Id$ + */ + +#include "pam_private.h" + +#include +#include + +#ifdef sunos +#define memmove(x,y,z) bcopy(y,x,z) +#endif + +/* helper functions */ + +#ifdef PAM_DEBUG +static void _pam_dump_env(pam_handle_t *pamh) +{ + int i; + + D(("Listing environment of pamh=%p", pamh)); + D(("pamh->env = %p", pamh->env)); + D(("environment entries used = %d [of %d allocated]" + , pamh->env->requested, pamh->env->entries)); + + for (i=0; ienv->requested; ++i) { + _pam_output_debug(">%-3d [%9p]:[%s]" + , i, pamh->env->list[i], pamh->env->list[i]); + } + _pam_output_debug("*NOTE* the last item should be (nil)"); +} +#else +#define _pam_dump_env(x) +#endif + +/* + * Create the environment + */ + +int _pam_make_env(pam_handle_t *pamh) +{ + D(("called.")); + + IF_NO_PAMH("_pam_make_env", pamh, PAM_ABORT); + + /* + * get structure memory + */ + + pamh->env = (struct pam_environ *) malloc(sizeof(struct pam_environ)); + if (pamh->env == NULL) { + pam_syslog(pamh, LOG_CRIT, "_pam_make_env: out of memory"); + return PAM_BUF_ERR; + } + + /* + * get list memory + */ + + pamh->env->list = (char **)calloc( PAM_ENV_CHUNK, sizeof(char *) ); + if (pamh->env->list == NULL) { + pam_syslog(pamh, LOG_CRIT, "_pam_make_env: no memory for list"); + _pam_drop(pamh->env); + return PAM_BUF_ERR; + } + + /* + * fill entries in pamh->env + */ + + pamh->env->entries = PAM_ENV_CHUNK; + pamh->env->requested = 1; + pamh->env->list[0] = NULL; + + _pam_dump_env(pamh); /* only active when debugging */ + + return PAM_SUCCESS; +} + +/* + * purge the environment + */ + +void _pam_drop_env(pam_handle_t *pamh) +{ + D(("called.")); + IF_NO_PAMH("_pam_make_env", pamh, /* nothing to return */); + + if (pamh->env != NULL) { + int i; + /* we will only purge the pamh->env->requested number of elements */ + + for (i=pamh->env->requested-1; i-- > 0; ) { + D(("dropping #%3d>%s<", i, pamh->env->list[i])); + _pam_overwrite(pamh->env->list[i]); /* clean */ + _pam_drop(pamh->env->list[i]); /* forget */ + } + pamh->env->requested = 0; + pamh->env->entries = 0; + _pam_drop(pamh->env->list); /* forget */ + _pam_drop(pamh->env); /* forget */ + } else { + D(("no environment present in pamh?")); + } +} + +/* + * Return the item number of the given variable = first 'length' chars + * of 'name_value'. Since this is a static function, it is safe to + * assume its supplied arguments are well defined. + */ + +static int _pam_search_env(const struct pam_environ *env + , const char *name_value, int length) +{ + int i; + + for (i=env->requested-1; i-- > 0; ) { + if (strncmp(name_value,env->list[i],length) == 0 + && env->list[i][length] == '=') { + + return i; /* Got it! */ + + } + } + + return -1; /* no luck */ +} + +/* + * externally visible functions + */ + +/* + * pam_putenv(): Add/replace/delete a PAM-environment variable. + * + * Add/replace: + * name_value = "NAME=VALUE" or "NAME=" (for empty value="\0") + * + * delete: + * name_value = "NAME" + */ + +int pam_putenv(pam_handle_t *pamh, const char *name_value) +{ + int l2eq, item, retval; + + D(("called.")); + IF_NO_PAMH("pam_putenv", pamh, PAM_ABORT); + + if (name_value == NULL) { + pam_syslog(pamh, LOG_ERR, "pam_putenv: no variable indicated"); + return PAM_PERM_DENIED; + } + + /* + * establish if we are setting or deleting; scan for '=' + */ + + for (l2eq=0; name_value[l2eq] && name_value[l2eq] != '='; ++l2eq); + if (l2eq <= 0) { + pam_syslog(pamh, LOG_ERR, "pam_putenv: bad variable"); + return PAM_BAD_ITEM; + } + + /* + * Look first for environment. + */ + + if (pamh->env == NULL || pamh->env->list == NULL) { + pam_syslog(pamh, LOG_ERR, "pam_putenv: no env%s found", + pamh->env == NULL ? "":"-list"); + return PAM_ABORT; + } + + /* find the item to replace */ + + item = _pam_search_env(pamh->env, name_value, l2eq); + + if (name_value[l2eq]) { /* (re)setting */ + + if (item == -1) { /* new variable */ + D(("adding item: %s", name_value)); + /* enough space? */ + if (pamh->env->entries <= pamh->env->requested) { + register int i; + register char **tmp; + + /* get some new space */ + tmp = calloc( pamh->env->entries + PAM_ENV_CHUNK + , sizeof(char *) ); + if (tmp == NULL) { + /* nothing has changed - old env intact */ + pam_syslog(pamh, LOG_CRIT, + "pam_putenv: cannot grow environment"); + return PAM_BUF_ERR; + } + + /* copy old env-item pointers/forget old */ + for (i=0; ienv->requested; ++i) { + tmp[i] = pamh->env->list[i]; + pamh->env->list[i] = NULL; + } + + /* drop old list and replace with new */ + _pam_drop(pamh->env->list); + pamh->env->list = tmp; + pamh->env->entries += PAM_ENV_CHUNK; + + D(("resized env list")); + _pam_dump_env(pamh); /* only when debugging */ + } + + item = pamh->env->requested-1; /* old last item (NULL) */ + + /* add a new NULL entry at end; increase counter */ + pamh->env->list[pamh->env->requested++] = NULL; + + } else { /* replace old */ + D(("replacing item: %s\n with: %s" + , pamh->env->list[item], name_value)); + _pam_overwrite(pamh->env->list[item]); + _pam_drop(pamh->env->list[item]); + } + + /* + * now we have a place to put the new env-item, insert at 'item' + */ + + pamh->env->list[item] = _pam_strdup(name_value); + if (pamh->env->list[item] != NULL) { + _pam_dump_env(pamh); /* only when debugging */ + return PAM_SUCCESS; + } + + /* something went wrong; we should delete the item - fall through */ + + retval = PAM_BUF_ERR; /* an error occurred */ + } else { + retval = PAM_SUCCESS; /* we requested delete */ + } + + /* getting to here implies we are deleting an item */ + + if (item < 0) { + pam_syslog(pamh, LOG_ERR, + "pam_putenv: delete non-existent entry; %s", name_value); + return PAM_BAD_ITEM; + } + + /* + * remove item: purge memory; reset counter; resize [; display-env] + */ + + D(("deleting: env#%3d:[%s]", item, pamh->env->list[item])); + _pam_overwrite(pamh->env->list[item]); + _pam_drop(pamh->env->list[item]); + --(pamh->env->requested); + D(("mmove: item[%d]+%d -> item[%d]" + , item+1, ( pamh->env->requested - item ), item)); + (void) memmove(&pamh->env->list[item], &pamh->env->list[item+1] + , ( pamh->env->requested - item )*sizeof(char *) ); + + _pam_dump_env(pamh); /* only when debugging */ + + /* + * deleted. + */ + + return retval; +} + +/* + * Return the value of the requested environment variable + */ + +const char *pam_getenv(pam_handle_t *pamh, const char *name) +{ + int item; + + D(("called.")); + IF_NO_PAMH("pam_getenv", pamh, NULL); + + if (name == NULL) { + pam_syslog(pamh, LOG_ERR, "pam_getenv: no variable indicated"); + return NULL; + } + + if (pamh->env == NULL || pamh->env->list == NULL) { + pam_syslog(pamh, LOG_ERR, "pam_getenv: no env%s found", + pamh->env == NULL ? "":"-list" ); + return NULL; + } + + /* find the requested item */ + + item = _pam_search_env(pamh->env, name, strlen(name)); + if (item != -1) { + + D(("env-item: %s, found!", name)); + return (pamh->env->list[item] + 1 + strlen(name)); + + } else { + + D(("env-item: %s, not found", name)); + return NULL; + + } +} + +static char **_copy_env(pam_handle_t *pamh) +{ + char **dump; + int i = pamh->env->requested; /* reckon size of environment */ + char *const *env = pamh->env->list; + + D(("now get some memory for dump")); + + /* allocate some memory for this (plus the null tail-pointer) */ + dump = (char **) calloc(i, sizeof(char *)); + D(("dump = %p", dump)); + if (dump == NULL) { + return NULL; + } + + /* now run through entries and copy the variables over */ + dump[--i] = NULL; + while (i-- > 0) { + D(("env[%d]=`%s'", i,env[i])); + dump[i] = _pam_strdup(env[i]); + D(("->dump[%d]=`%s'", i,dump[i])); + if (dump[i] == NULL) { + /* out of memory */ + + while (dump[++i]) { + _pam_overwrite(dump[i]); + _pam_drop(dump[i]); + } + _pam_drop(dump); + return NULL; + } + } + + env = NULL; /* forget now */ + + /* return transcribed environment */ + return dump; +} + +char **pam_getenvlist(pam_handle_t *pamh) +{ + int i; + + D(("called.")); + IF_NO_PAMH("pam_getenvlist", pamh, NULL); + + if (pamh->env == NULL || pamh->env->list == NULL) { + pam_syslog(pamh, LOG_ERR, "pam_getenvlist: no env%s found", + pamh->env == NULL ? "":"-list" ); + return NULL; + } + + /* some quick checks */ + + if (pamh->env->requested > pamh->env->entries) { + pam_syslog(pamh, LOG_ERR, "pam_getenvlist: environment corruption"); + _pam_dump_env(pamh); /* only active when debugging */ + return NULL; + } + + for (i=pamh->env->requested-1; i-- > 0; ) { + if (pamh->env->list[i] == NULL) { + pam_syslog(pamh, LOG_ERR, "pam_getenvlist: environment broken"); + _pam_dump_env(pamh); /* only active when debugging */ + return NULL; /* somehow we've broken the environment!? */ + } + } + + /* Seems fine; copy environment */ + + _pam_dump_env(pamh); /* only active when debugging */ + + return _copy_env(pamh); +} diff --git a/libpam/pam_get_authtok.c b/libpam/pam_get_authtok.c new file mode 100644 index 0000000..3fa7f7d --- /dev/null +++ b/libpam/pam_get_authtok.c @@ -0,0 +1,280 @@ +/* + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" +#include "pam_private.h" + +#include + +#define PROMPT _("Password: ") +/* For Translators: "%s" is replaced with "". */ +#define PROMPT_CURRENT_ARG _("Current %s password: ") +#define PROMPT_CURRENT_NOARG _("Current password: ") +/* For Translators: "%s" is replaced with "". */ +#define PROMPT_NEW_ARG _("New %s password: ") +#define PROMPT_NEW_NOARG _("New password: ") +/* For Translators: "%s" is replaced with "". */ +#define PROMPT_RETYPE_ARG _("Retype new %s password: ") +#define PROMPT_RETYPE_NOARG _("Retype new password: ") +#define MISTYPED_PASS _("Sorry, passwords do not match.") + +#define PAM_GETAUTHTOK_NOVERIFY 1 + +static const char * +get_option (pam_handle_t *pamh, const char *option) +{ + int i; + size_t len; + + + if (option == NULL || pamh == NULL || + pamh->mod_argc == 0 || pamh->mod_argv == NULL) + return NULL; + + len = strlen (option); + + for (i = 0; i < pamh->mod_argc; i++) + { + if (strncmp (option, pamh->mod_argv[i], len) == 0) + { + if (pamh->mod_argv[i][len] == '=') + return &(pamh->mod_argv[i][len+1]); + else if (pamh->mod_argv[i][len] == '\0') + return ""; + } + } + return NULL; +} + + +static int +pam_get_authtok_internal (pam_handle_t *pamh, int item, + const char **authtok, const char *prompt, + unsigned int flags) + +{ + char *resp[2] = {NULL, NULL}; + const void *prevauthtok; + const char *authtok_type = ""; + int chpass = 0; /* Password change, ask twice for it */ + int retval; + + if (authtok == NULL) + return PAM_SYSTEM_ERR; + + /* PAM_AUTHTOK in password stack returns new password, + which needs to be verified. */ + if (pamh->choice == PAM_CHAUTHTOK) + { + if (item == PAM_AUTHTOK) + { + chpass = 1; + if (!(flags & PAM_GETAUTHTOK_NOVERIFY)) + ++chpass; + } + authtok_type = get_option (pamh, "authtok_type"); + if (authtok_type == NULL) + { + retval = pam_get_item (pamh, PAM_AUTHTOK_TYPE, (const void **)&authtok_type); + if (retval != PAM_SUCCESS || authtok_type == NULL) + authtok_type = ""; + } + else + pam_set_item(pamh, PAM_AUTHTOK_TYPE, authtok_type); + } + + retval = pam_get_item (pamh, item, &prevauthtok); + if (retval == PAM_SUCCESS && prevauthtok != NULL) + { + *authtok = prevauthtok; + return PAM_SUCCESS; + } + else if (get_option (pamh, "use_first_pass") || + (chpass && get_option (pamh, "use_authtok"))) + { + if (prevauthtok == NULL) + { + if (chpass) + return PAM_AUTHTOK_ERR; + else + return PAM_AUTH_ERR; + } + else + return retval; + } + + if (prompt != NULL) + { + retval = pam_prompt (pamh, PAM_PROMPT_ECHO_OFF, &resp[0], + "%s", prompt); + if (retval == PAM_SUCCESS && chpass > 1 && resp[0] != NULL) + retval = pam_prompt (pamh, PAM_PROMPT_ECHO_OFF, &resp[1], + _("Retype %s"), prompt); + } + else if (chpass) + { + pamh->authtok_verified = 0; + + retval = *authtok_type ? + pam_prompt (pamh, PAM_PROMPT_ECHO_OFF, &resp[0], + PROMPT_NEW_ARG, authtok_type) : + pam_prompt (pamh, PAM_PROMPT_ECHO_OFF, &resp[0], + "%s", PROMPT_NEW_NOARG); + if (retval == PAM_SUCCESS && chpass > 1 && resp[0] != NULL) + { + retval = *authtok_type ? + pam_prompt (pamh, PAM_PROMPT_ECHO_OFF, &resp[1], + PROMPT_RETYPE_ARG, authtok_type) : + pam_prompt (pamh, PAM_PROMPT_ECHO_OFF, &resp[1], + "%s", PROMPT_RETYPE_NOARG); + } + } + else if (item == PAM_OLDAUTHTOK) + { + retval = *authtok_type ? + pam_prompt (pamh, PAM_PROMPT_ECHO_OFF, &resp[0], + PROMPT_CURRENT_ARG, authtok_type) : + pam_prompt (pamh, PAM_PROMPT_ECHO_OFF, &resp[0], + "%s", PROMPT_CURRENT_NOARG); + } + else + retval = pam_prompt (pamh, PAM_PROMPT_ECHO_OFF, &resp[0], "%s", PROMPT); + + if (retval != PAM_SUCCESS || resp[0] == NULL || + (chpass > 1 && resp[1] == NULL)) + { + /* We want to abort */ + if (chpass) + pam_error (pamh, _("Password change has been aborted.")); + return PAM_AUTHTOK_ERR; + } + + if (chpass > 1 && strcmp (resp[0], resp[1]) != 0) + { + pam_error (pamh, MISTYPED_PASS); + _pam_overwrite (resp[0]); + _pam_drop (resp[0]); + _pam_overwrite (resp[1]); + _pam_drop (resp[1]); + return PAM_TRY_AGAIN; + } + + _pam_overwrite (resp[1]); + _pam_drop (resp[1]); + + retval = pam_set_item (pamh, item, resp[0]); + _pam_overwrite (resp[0]); + _pam_drop (resp[0]); + if (retval != PAM_SUCCESS) + return retval; + + if (chpass > 1) + pamh->authtok_verified = 1; + + return pam_get_item(pamh, item, (const void **)authtok); +} + +int +pam_get_authtok (pam_handle_t *pamh, int item, const char **authtok, + const char *prompt) +{ + return pam_get_authtok_internal (pamh, item, authtok, prompt, 0); +} + + +int +pam_get_authtok_noverify (pam_handle_t *pamh, const char **authtok, + const char *prompt) +{ + return pam_get_authtok_internal (pamh, PAM_AUTHTOK, authtok, prompt, + PAM_GETAUTHTOK_NOVERIFY); +} + +int +pam_get_authtok_verify (pam_handle_t *pamh, const char **authtok, + const char *prompt) +{ + char *resp = NULL; + const char *authtok_type = ""; + int retval; + + if (authtok == NULL || pamh->choice != PAM_CHAUTHTOK) + return PAM_SYSTEM_ERR; + + if (pamh->authtok_verified) + return pam_get_item (pamh, PAM_AUTHTOK, (const void **)authtok); + + if (prompt != NULL) + { + retval = pam_prompt (pamh, PAM_PROMPT_ECHO_OFF, &resp, + _("Retype %s"), prompt); + } + else + { + retval = pam_get_item (pamh, PAM_AUTHTOK_TYPE, (const void **)&authtok_type); + if (retval != PAM_SUCCESS || authtok_type == NULL) + authtok_type = ""; + retval = *authtok_type ? + pam_prompt (pamh, PAM_PROMPT_ECHO_OFF, &resp, + PROMPT_RETYPE_ARG, authtok_type) : + pam_prompt (pamh, PAM_PROMPT_ECHO_OFF, &resp, + "%s", PROMPT_RETYPE_NOARG); + } + + if (retval != PAM_SUCCESS || resp == NULL) + { + /* We want to abort the password change */ + pam_set_item (pamh, PAM_AUTHTOK, NULL); + pam_error (pamh, _("Password change has been aborted.")); + return PAM_AUTHTOK_ERR; + } + + if (strcmp (*authtok, resp) != 0) + { + pam_set_item (pamh, PAM_AUTHTOK, NULL); + pam_error (pamh, MISTYPED_PASS); + _pam_overwrite (resp); + _pam_drop (resp); + return PAM_TRY_AGAIN; + } + + retval = pam_set_item (pamh, PAM_AUTHTOK, resp); + _pam_overwrite (resp); + _pam_drop (resp); + if (retval != PAM_SUCCESS) + return retval; + + pamh->authtok_verified = 1; + + return pam_get_item(pamh, PAM_AUTHTOK, (const void **)authtok); +} diff --git a/libpam/pam_handlers.c b/libpam/pam_handlers.c new file mode 100644 index 0000000..ffa5e4a --- /dev/null +++ b/libpam/pam_handlers.c @@ -0,0 +1,1045 @@ +/* pam_handlers.c -- pam config file parsing and module loading */ + +/* + * created by Marc Ewing. + * Currently maintained by Andrew G. Morgan + * + */ + +#include "pam_private.h" +#include "pam_inline.h" + +#include +#include +#include +#include +#include +#include +#include + +#define BUF_SIZE 1024 +#define MODULE_CHUNK 4 +#define UNKNOWN_MODULE "<*unknown module*>" +#ifndef _PAM_ISA +#define _PAM_ISA "." +#endif + +static int _pam_assemble_line(FILE *f, char *buf, int buf_len); + +static void _pam_free_handlers_aux(struct handler **hp); + +static int _pam_add_handler(pam_handle_t *pamh + , int must_fail, int other, int stack_level, int type + , int *actions, const char *mod_path + , int argc, char **argv, int argvlen); + +/* Values for module type */ + +#define PAM_T_ANY 0 +#define PAM_T_AUTH 1 +#define PAM_T_SESS 2 +#define PAM_T_ACCT 4 +#define PAM_T_PASS 8 + +static int _pam_load_conf_file(pam_handle_t *pamh, const char *config_name + , const char *service /* specific file */ + , int module_type /* specific type */ + , int stack_level /* level of substack */ +#ifdef PAM_READ_BOTH_CONFS + , int not_other +#endif /* PAM_READ_BOTH_CONFS */ + ); + +static int _pam_parse_conf_file(pam_handle_t *pamh, FILE *f + , const char *known_service /* specific file */ + , int requested_module_type /* specific type */ + , int stack_level /* level of substack */ +#ifdef PAM_READ_BOTH_CONFS + , int not_other +#endif /* PAM_READ_BOTH_CONFS */ + ) +{ + char buf[BUF_SIZE]; + int x; /* read a line from the FILE *f ? */ + /* + * read a line from the configuration (FILE *) f + */ + while ((x = _pam_assemble_line(f, buf, BUF_SIZE)) > 0) { + char *tok, *nexttok=NULL; + const char *this_service; + const char *mod_path; + int module_type, actions[_PAM_RETURN_VALUES]; + int other; /* set if module is for PAM_DEFAULT_SERVICE */ + int res; /* module added successfully? */ + int handler_type = PAM_HT_MODULE; /* regular handler from a module */ + int argc; + char **argv; + int argvlen; + + D(("_pam_init_handler: LINE: %s", buf)); + if (known_service != NULL) { + nexttok = buf; + /* No service field: all lines are for the known service. */ + this_service = known_service; + } else { + this_service = tok = _pam_StrTok(buf, " \n\t", &nexttok); + } + +#ifdef PAM_READ_BOTH_CONFS + if (not_other) + other = 0; + else +#endif /* PAM_READ_BOTH_CONFS */ + other = !strcasecmp(this_service, PAM_DEFAULT_SERVICE); + + /* accept "service name" or PAM_DEFAULT_SERVICE modules */ + if (!strcasecmp(this_service, pamh->service_name) || other) { + int pam_include = 0; + int substack = 0; + + /* This is a service we are looking for */ + D(("_pam_init_handlers: Found PAM config entry for: %s" + , this_service)); + + tok = _pam_StrTok(NULL, " \n\t", &nexttok); + if (tok == NULL) { + /* module type does not exist */ + D(("_pam_init_handlers: empty module type for %s", this_service)); + pam_syslog(pamh, LOG_ERR, + "(%s) empty module type", this_service); + module_type = (requested_module_type != PAM_T_ANY) ? + requested_module_type : PAM_T_AUTH; /* most sensitive */ + handler_type = PAM_HT_MUST_FAIL; /* install as normal but fail when dispatched */ + } else { + if (tok[0] == '-') { /* do not log module load errors */ + handler_type = PAM_HT_SILENT_MODULE; + ++tok; + } + if (!strcasecmp("auth", tok)) { + module_type = PAM_T_AUTH; + } else if (!strcasecmp("session", tok)) { + module_type = PAM_T_SESS; + } else if (!strcasecmp("account", tok)) { + module_type = PAM_T_ACCT; + } else if (!strcasecmp("password", tok)) { + module_type = PAM_T_PASS; + } else { + /* Illegal module type */ + D(("_pam_init_handlers: bad module type: %s", tok)); + pam_syslog(pamh, LOG_ERR, "(%s) illegal module type: %s", + this_service, tok); + module_type = (requested_module_type != PAM_T_ANY) ? + requested_module_type : PAM_T_AUTH; /* most sensitive */ + handler_type = PAM_HT_MUST_FAIL; /* install as normal but fail when dispatched */ + } + } + D(("Using %s config entry: %s", handler_type?"BAD ":"", tok)); + if (requested_module_type != PAM_T_ANY && + module_type != requested_module_type) { + D(("Skipping config entry: %s (requested=%d, found=%d)", + tok, requested_module_type, module_type)); + continue; + } + + /* reset the actions to .._UNDEF's -- this is so that + we can work out which entries are not yet set (for default). */ + { + int i; + for (i=0; i<_PAM_RETURN_VALUES; + actions[i++] = _PAM_ACTION_UNDEF); + } + tok = _pam_StrTok(NULL, " \n\t", &nexttok); + if (tok == NULL) { + /* no module name given */ + D(("_pam_init_handlers: no control flag supplied")); + pam_syslog(pamh, LOG_ERR, + "(%s) no control flag supplied", this_service); + _pam_set_default_control(actions, _PAM_ACTION_BAD); + handler_type = PAM_HT_MUST_FAIL; + } else if (!strcasecmp("required", tok)) { + D(("*PAM_F_REQUIRED*")); + actions[PAM_SUCCESS] = _PAM_ACTION_OK; + actions[PAM_NEW_AUTHTOK_REQD] = _PAM_ACTION_OK; + actions[PAM_IGNORE] = _PAM_ACTION_IGNORE; + _pam_set_default_control(actions, _PAM_ACTION_BAD); + } else if (!strcasecmp("requisite", tok)) { + D(("*PAM_F_REQUISITE*")); + actions[PAM_SUCCESS] = _PAM_ACTION_OK; + actions[PAM_NEW_AUTHTOK_REQD] = _PAM_ACTION_OK; + actions[PAM_IGNORE] = _PAM_ACTION_IGNORE; + _pam_set_default_control(actions, _PAM_ACTION_DIE); + } else if (!strcasecmp("optional", tok)) { + D(("*PAM_F_OPTIONAL*")); + actions[PAM_SUCCESS] = _PAM_ACTION_OK; + actions[PAM_NEW_AUTHTOK_REQD] = _PAM_ACTION_OK; + _pam_set_default_control(actions, _PAM_ACTION_IGNORE); + } else if (!strcasecmp("sufficient", tok)) { + D(("*PAM_F_SUFFICIENT*")); + actions[PAM_SUCCESS] = _PAM_ACTION_DONE; + actions[PAM_NEW_AUTHTOK_REQD] = _PAM_ACTION_DONE; + _pam_set_default_control(actions, _PAM_ACTION_IGNORE); + } else if (!strcasecmp("include", tok)) { + D(("*PAM_F_INCLUDE*")); + pam_include = 1; + substack = 0; + } else if (!strcasecmp("substack", tok)) { + D(("*PAM_F_SUBSTACK*")); + pam_include = 1; + substack = 1; + } else { + D(("will need to parse %s", tok)); + _pam_parse_control(actions, tok); + /* by default the default is to treat as failure */ + _pam_set_default_control(actions, _PAM_ACTION_BAD); + } + + tok = _pam_StrTok(NULL, " \n\t", &nexttok); + if (pam_include) { + if (substack) { + res = _pam_add_handler(pamh, PAM_HT_SUBSTACK, other, + stack_level, module_type, actions, tok, + 0, NULL, 0); + if (res != PAM_SUCCESS) { + pam_syslog(pamh, LOG_ERR, "error adding substack %s", tok); + D(("failed to load module - aborting")); + return PAM_ABORT; + } + } + if (_pam_load_conf_file(pamh, tok, this_service, module_type, + stack_level + substack +#ifdef PAM_READ_BOTH_CONFS + , !other +#endif /* PAM_READ_BOTH_CONFS */ + ) == PAM_SUCCESS) + continue; + _pam_set_default_control(actions, _PAM_ACTION_BAD); + mod_path = NULL; + handler_type = PAM_HT_MUST_FAIL; + nexttok = NULL; + } else if (tok != NULL) { + mod_path = tok; + D(("mod_path = %s",mod_path)); + } else { + /* no module name given */ + D(("_pam_init_handlers: no module name supplied")); + pam_syslog(pamh, LOG_ERR, + "(%s) no module name supplied", this_service); + mod_path = NULL; + handler_type = PAM_HT_MUST_FAIL; + } + + /* nexttok points to remaining arguments... */ + + if (nexttok != NULL) { + D(("list: %s",nexttok)); + argvlen = _pam_mkargv(nexttok, &argv, &argc); + D(("argvlen = %d",argvlen)); + } else { /* there are no arguments so fix by hand */ + D(("_pam_init_handlers: empty argument list")); + argvlen = argc = 0; + argv = NULL; + } + +#ifdef PAM_DEBUG + { + int y; + + D(("CONF%s: %s%s %d %s %d" + , handler_type==PAM_HT_MUST_FAIL?"<*will fail*>":"" + , this_service, other ? "(backup)":"" + , module_type + , mod_path, argc)); + for (y = 0; y < argc; y++) { + D(("CONF: %s", argv[y])); + } + for (y = 0; y<_PAM_RETURN_VALUES; ++y) { + D(("RETURN %s(%d) -> %d %s", + _pam_token_returns[y], y, actions[y], + actions[y]>0 ? "jump": + _pam_token_actions[-actions[y]])); + } + } +#endif + + res = _pam_add_handler(pamh, handler_type, other, stack_level + , module_type, actions, mod_path + , argc, argv, argvlen); + if (res != PAM_SUCCESS) { + pam_syslog(pamh, LOG_ERR, "error loading %s", mod_path); + D(("failed to load module - aborting")); + return PAM_ABORT; + } + } + } + + return ( (x < 0) ? PAM_ABORT:PAM_SUCCESS ); +} + +static int +_pam_open_config_file(pam_handle_t *pamh + , const char *service + , char **path + , FILE **file) +{ + const char *pamd_dirs[] = { PAM_CONFIG_DF, PAM_CONFIG_DIST_DF +#ifdef VENDORDIR + , PAM_CONFIG_DIST2_DF +#endif + }; + char *p = NULL; + FILE *f; + size_t i; + + /* Absolute path */ + if (service[0] == '/') { + p = _pam_strdup(service); + if (p == NULL) { + pam_syslog(pamh, LOG_CRIT, "strdup failed"); + return PAM_BUF_ERR; + } + } else if (pamh->confdir != NULL) { + if (asprintf (&p, "%s/%s", pamh->confdir, service) < 0) { + pam_syslog(pamh, LOG_CRIT, "asprintf failed"); + return PAM_BUF_ERR; + } + } + + if (p != NULL) { + D(("opening %s", p)); + f = fopen(p, "r"); + if (f != NULL) { + *path = p; + *file = f; + return PAM_SUCCESS; + } + _pam_drop(p); + return PAM_ABORT; + } + + for (i = 0; i < PAM_ARRAY_SIZE(pamd_dirs); i++) { + if (asprintf (&p, pamd_dirs[i], service) < 0) { + pam_syslog(pamh, LOG_CRIT, "asprintf failed"); + return PAM_BUF_ERR; + } + + D(("opening %s", p)); + f = fopen(p, "r"); + if (f != NULL) { + *path = p; + *file = f; + return PAM_SUCCESS; + } + _pam_drop(p); + } + + return PAM_ABORT; +} + +static int _pam_load_conf_file(pam_handle_t *pamh, const char *config_name + , const char *service /* specific file */ + , int module_type /* specific type */ + , int stack_level /* level of substack */ +#ifdef PAM_READ_BOTH_CONFS + , int not_other +#endif /* PAM_READ_BOTH_CONFS */ + ) +{ + FILE *f; + char *path = NULL; + int retval = PAM_ABORT; + + D(("_pam_load_conf_file called")); + + if (stack_level >= PAM_SUBSTACK_MAX_LEVEL) { + D(("maximum level of substacks reached")); + pam_syslog(pamh, LOG_ERR, "maximum level of substacks reached"); + return PAM_ABORT; + } + + if (config_name == NULL) { + D(("no config file supplied")); + pam_syslog(pamh, LOG_ERR, "(%s) no config name supplied", service); + return PAM_ABORT; + } + + if (_pam_open_config_file(pamh, config_name, &path, &f) == PAM_SUCCESS) { + retval = _pam_parse_conf_file(pamh, f, service, module_type, stack_level +#ifdef PAM_READ_BOTH_CONFS + , not_other +#endif /* PAM_READ_BOTH_CONFS */ + ); + if (retval != PAM_SUCCESS) + pam_syslog(pamh, LOG_ERR, + "_pam_load_conf_file: error reading %s: %s", + path, pam_strerror(pamh, retval)); + _pam_drop(path); + fclose(f); + } else { + D(("unable to open %s", config_name)); + pam_syslog(pamh, LOG_ERR, + "_pam_load_conf_file: unable to open config for %s", + config_name); + } + + return retval; +} + +/* Parse config file, allocate handler structures, dlopen() */ +int _pam_init_handlers(pam_handle_t *pamh) +{ + FILE *f; + int retval; + + D(("_pam_init_handlers called")); + IF_NO_PAMH("_pam_init_handlers",pamh,PAM_SYSTEM_ERR); + + /* Return immediately if everything is already loaded */ + if (pamh->handlers.handlers_loaded) { + return PAM_SUCCESS; + } + + D(("_pam_init_handlers: initializing")); + + /* First clean the service structure */ + + _pam_free_handlers(pamh); + if (! pamh->handlers.module) { + if ((pamh->handlers.module = + malloc(MODULE_CHUNK * sizeof(struct loaded_module))) == NULL) { + pam_syslog(pamh, LOG_CRIT, + "_pam_init_handlers: no memory loading module"); + return PAM_BUF_ERR; + } + pamh->handlers.modules_allocated = MODULE_CHUNK; + pamh->handlers.modules_used = 0; + } + + if (pamh->service_name == NULL) { + return PAM_BAD_ITEM; /* XXX - better error? */ + } + +#ifdef PAM_LOCKING + /* Is the PAM subsystem locked? */ + { + int fd_tmp; + + if ((fd_tmp = open( PAM_LOCK_FILE, O_RDONLY )) != -1) { + pam_syslog(pamh, LOG_ERR, + "_pam_init_handlers: PAM lockfile (" + PAM_LOCK_FILE ") exists - aborting"); + (void) close(fd_tmp); + /* + * to avoid swamping the system with requests + */ + _pam_start_timer(pamh); + pam_fail_delay(pamh, 5000000); + _pam_await_timer(pamh, PAM_ABORT); + + return PAM_ABORT; + } + } +#endif /* PAM_LOCKING */ + + /* + * Now parse the config file(s) and add handlers + */ + { + struct stat test_d; + + /* Is there a PAM_CONFIG_D directory? */ + if (pamh->confdir != NULL || + (stat(PAM_CONFIG_D, &test_d) == 0 && S_ISDIR(test_d.st_mode)) || + (stat(PAM_CONFIG_DIST_D, &test_d) == 0 && S_ISDIR(test_d.st_mode)) +#ifdef PAM_CONFIG_DIST2_D + || (stat(PAM_CONFIG_DIST2_D, &test_d) == 0 + && S_ISDIR(test_d.st_mode)) +#endif + ) { + char *path = NULL; + int read_something=0; + + if (_pam_open_config_file(pamh, pamh->service_name, &path, &f) == PAM_SUCCESS) { + retval = _pam_parse_conf_file(pamh, f, pamh->service_name, + PAM_T_ANY, 0 +#ifdef PAM_READ_BOTH_CONFS + , 0 +#endif /* PAM_READ_BOTH_CONFS */ + ); + if (retval != PAM_SUCCESS) { + pam_syslog(pamh, LOG_ERR, + "_pam_init_handlers: error reading %s", + path); + pam_syslog(pamh, LOG_ERR, "_pam_init_handlers: [%s]", + pam_strerror(pamh, retval)); + } else { + read_something = 1; + } + _pam_drop(path); + fclose(f); + } else { + D(("unable to open configuration for %s", pamh->service_name)); +#ifdef PAM_READ_BOTH_CONFS + D(("checking %s", PAM_CONFIG)); + + if (pamh->confdir == NULL + && (f = fopen(PAM_CONFIG,"r")) != NULL) { + retval = _pam_parse_conf_file(pamh, f, NULL, PAM_T_ANY, 0, 1); + fclose(f); + } else +#endif /* PAM_READ_BOTH_CONFS */ + retval = PAM_SUCCESS; + /* + * XXX - should we log an error? Some people want to always + * use "other" + */ + } + + if (retval == PAM_SUCCESS) { + /* now parse the PAM_DEFAULT_SERVICE */ + + if (_pam_open_config_file(pamh, PAM_DEFAULT_SERVICE, &path, &f) == PAM_SUCCESS) { + /* would test magic here? */ + retval = _pam_parse_conf_file(pamh, f, PAM_DEFAULT_SERVICE, + PAM_T_ANY, 0 +#ifdef PAM_READ_BOTH_CONFS + , 0 +#endif /* PAM_READ_BOTH_CONFS */ + ); + if (retval != PAM_SUCCESS) { + pam_syslog(pamh, LOG_ERR, + "_pam_init_handlers: error reading %s", + path); + pam_syslog(pamh, LOG_ERR, + "_pam_init_handlers: [%s]", + pam_strerror(pamh, retval)); + } else { + read_something = 1; + } + _pam_drop(path); + fclose(f); + } else { + D(("unable to open %s", PAM_DEFAULT_SERVICE)); + pam_syslog(pamh, LOG_ERR, + "_pam_init_handlers: no default config %s", + PAM_DEFAULT_SERVICE); + } + if (!read_something) { /* nothing read successfully */ + retval = PAM_ABORT; + } + } + } else { + if ((f = fopen(PAM_CONFIG, "r")) == NULL) { + pam_syslog(pamh, LOG_ERR, "_pam_init_handlers: could not open " + PAM_CONFIG ); + return PAM_ABORT; + } + + retval = _pam_parse_conf_file(pamh, f, NULL, PAM_T_ANY, 0 +#ifdef PAM_READ_BOTH_CONFS + , 0 +#endif /* PAM_READ_BOTH_CONFS */ + ); + + D(("closing configuration file")); + fclose(f); + } + } + + if (retval != PAM_SUCCESS) { + /* Read error */ + pam_syslog(pamh, LOG_ERR, "error reading PAM configuration file"); + return PAM_ABORT; + } + + pamh->handlers.handlers_loaded = 1; + + D(("_pam_init_handlers exiting")); + return PAM_SUCCESS; +} + +/* + * This is where we read a line of the PAM config file. The line may be + * preceded by lines of comments and also extended with "\\\n" + */ + +static int _pam_assemble_line(FILE *f, char *buffer, int buf_len) +{ + char *p = buffer; + char *endp = buffer + buf_len; + char *s, *os; + int used = 0; + + /* loop broken with a 'break' when a non-'\\n' ended line is read */ + + D(("called.")); + for (;;) { + if (p >= endp) { + /* Overflow */ + D(("_pam_assemble_line: overflow")); + return -1; + } + if (fgets(p, endp - p, f) == NULL) { + if (used) { + /* Incomplete read */ + return -1; + } else { + /* EOF */ + return 0; + } + } + + /* skip leading spaces --- line may be blank */ + + s = p + strspn(p, " \n\t"); + if (*s && (*s != '#')) { + os = s; + + /* + * we are only interested in characters before the first '#' + * character + */ + + while (*s && *s != '#') + ++s; + if (*s == '#') { + *s = '\0'; + used += strlen(os); + break; /* the line has been read */ + } + + s = os; + + /* + * Check for backslash by scanning back from the end of + * the entered line, the '\n' has been included since + * normally a line is terminated with this + * character. fgets() should only return one though! + */ + + s += strlen(s); + while (s > os && ((*--s == ' ') || (*s == '\t') + || (*s == '\n'))); + + /* check if it ends with a backslash */ + if (*s == '\\') { + *s++ = ' '; /* replace backslash with ' ' */ + *s = '\0'; /* truncate the line here */ + used += strlen(os); + p = s; /* there is more ... */ + } else { + /* End of the line! */ + used += strlen(os); + break; /* this is the complete line */ + } + + } else { + /* Nothing in this line */ + /* Don't move p */ + } + } + + return used; +} + +static char * +extract_modulename(const char *mod_path) +{ + const char *p = strrchr (mod_path, '/'); + char *dot, *retval; + + if (p == NULL) + p = mod_path; + else + p++; + + if ((retval = _pam_strdup (p)) == NULL) + return NULL; + + dot = strrchr (retval, '.'); + if (dot) + *dot = '\0'; + + if (*retval == '\0' || strcmp(retval, "?") == 0) { + /* do not allow empty module name or "?" to avoid confusing audit trail */ + _pam_drop(retval); + return NULL; + } + + return retval; +} + +static struct loaded_module * +_pam_load_module(pam_handle_t *pamh, const char *mod_path, int handler_type) +{ + int x = 0; + int success; + struct loaded_module *mod; + + D(("_pam_load_module: loading module `%s'", mod_path)); + + mod = pamh->handlers.module; + + /* First, ensure the module is loaded */ + while (x < pamh->handlers.modules_used) { + if (!strcmp(mod[x].name, mod_path)) { /* case sensitive ! */ + break; + } + x++; + } + if (x == pamh->handlers.modules_used) { + /* Not found */ + if (pamh->handlers.modules_allocated == pamh->handlers.modules_used) { + /* will need more memory */ + void *tmp = realloc(pamh->handlers.module, + (pamh->handlers.modules_allocated+MODULE_CHUNK) + *sizeof(struct loaded_module)); + if (tmp == NULL) { + D(("cannot enlarge module pointer memory")); + pam_syslog(pamh, LOG_CRIT, + "realloc returned NULL in _pam_load_module"); + return NULL; + } + pamh->handlers.module = tmp; + pamh->handlers.modules_allocated += MODULE_CHUNK; + } + mod = &(pamh->handlers.module[x]); + /* Be pessimistic... */ + success = PAM_ABORT; + + D(("_pam_load_module: _pam_dlopen(%s)", mod_path)); + mod->dl_handle = _pam_dlopen(mod_path); + D(("_pam_load_module: _pam_dlopen'ed")); + D(("_pam_load_module: dlopen'ed")); + if (mod->dl_handle == NULL) { + const char *isa = strstr(mod_path, "$ISA"); + size_t isa_len = strlen("$ISA"); + + if (isa != NULL) { + size_t pam_isa_len = strlen(_PAM_ISA); + char *mod_full_isa_path = + malloc(strlen(mod_path) - isa_len + pam_isa_len + 1); + + if (mod_full_isa_path == NULL) { + D(("_pam_load_module: couldn't get memory for mod_path")); + pam_syslog(pamh, LOG_CRIT, "no memory for module path"); + success = PAM_ABORT; + } else { + char *p = mod_full_isa_path; + + memcpy(p, mod_path, isa - mod_path); + p += isa - mod_path; + memcpy(p, _PAM_ISA, pam_isa_len); + p += pam_isa_len; + strcpy(p, isa + isa_len); + + mod->dl_handle = _pam_dlopen(mod_full_isa_path); + _pam_drop(mod_full_isa_path); + } + } + } + if (mod->dl_handle == NULL) { + D(("_pam_load_module: _pam_dlopen(%s) failed", mod_path)); + if (handler_type != PAM_HT_SILENT_MODULE) + pam_syslog(pamh, LOG_ERR, "unable to dlopen(%s): %s", mod_path, + _pam_dlerror()); + /* Don't abort yet; static code may be able to find function. + * But defaults to abort if nothing found below... */ + } else { + D(("module added successfully")); + success = PAM_SUCCESS; + mod->type = PAM_MT_DYNAMIC_MOD; + pamh->handlers.modules_used++; + } + + if (success != PAM_SUCCESS) { /* add a malformed module */ + mod->dl_handle = NULL; + mod->type = PAM_MT_FAULTY_MOD; + pamh->handlers.modules_used++; + if (handler_type != PAM_HT_SILENT_MODULE) + pam_syslog(pamh, LOG_ERR, "adding faulty module: %s", mod_path); + success = PAM_SUCCESS; /* We have successfully added a module */ + } + + /* indicate its name - later we will search for it by this */ + if ((mod->name = _pam_strdup(mod_path)) == NULL) { + D(("_pam_load_module: couldn't get memory for mod_path")); + pam_syslog(pamh, LOG_CRIT, "no memory for module path"); + success = PAM_ABORT; + } + + } else { /* x != pamh->handlers.modules_used */ + mod += x; /* the located module */ + success = PAM_SUCCESS; + } + return success == PAM_SUCCESS ? mod : NULL; +} + +int _pam_add_handler(pam_handle_t *pamh + , int handler_type, int other, int stack_level, int type + , int *actions, const char *mod_path + , int argc, char **argv, int argvlen) +{ + struct loaded_module *mod = NULL; + struct handler **handler_p; + struct handler **handler_p2; + struct handlers *the_handlers; + const char *sym, *sym2; + char *mod_full_path; + servicefn func, func2; + int mod_type = PAM_MT_FAULTY_MOD; + + D(("called.")); + IF_NO_PAMH("_pam_add_handler",pamh,PAM_SYSTEM_ERR); + + D(("_pam_add_handler: adding type %d, handler_type %d, module `%s'", + type, handler_type, mod_path)); + + if ((handler_type == PAM_HT_MODULE || handler_type == PAM_HT_SILENT_MODULE) && + mod_path != NULL) { + if (mod_path[0] == '/') { + mod = _pam_load_module(pamh, mod_path, handler_type); + } else if (asprintf(&mod_full_path, "%s%s", + DEFAULT_MODULE_PATH, mod_path) >= 0) { + mod = _pam_load_module(pamh, mod_full_path, handler_type); + _pam_drop(mod_full_path); + } else { + pam_syslog(pamh, LOG_CRIT, "cannot malloc full mod path"); + return PAM_ABORT; + } + + if (mod == NULL) { + /* if we get here with NULL it means allocation error */ + return PAM_ABORT; + } + + mod_type = mod->type; + } + + if (mod_path == NULL) + mod_path = UNKNOWN_MODULE; + + /* + * At this point 'mod' points to the stored/loaded module. + */ + + /* Now define the handler(s) based on mod->dlhandle and type */ + + /* decide which list of handlers to use */ + the_handlers = (other) ? &pamh->handlers.other : &pamh->handlers.conf; + + handler_p = handler_p2 = NULL; + func = func2 = NULL; + sym2 = NULL; + + /* point handler_p's at the root addresses of the function stacks */ + switch (type) { + case PAM_T_AUTH: + handler_p = &the_handlers->authenticate; + sym = "pam_sm_authenticate"; + handler_p2 = &the_handlers->setcred; + sym2 = "pam_sm_setcred"; + break; + case PAM_T_SESS: + handler_p = &the_handlers->open_session; + sym = "pam_sm_open_session"; + handler_p2 = &the_handlers->close_session; + sym2 = "pam_sm_close_session"; + break; + case PAM_T_ACCT: + handler_p = &the_handlers->acct_mgmt; + sym = "pam_sm_acct_mgmt"; + break; + case PAM_T_PASS: + handler_p = &the_handlers->chauthtok; + sym = "pam_sm_chauthtok"; + break; + default: + /* Illegal module type */ + D(("_pam_add_handler: illegal module type %d", type)); + return PAM_ABORT; + } + + /* are the modules reliable? */ + if (mod_type != PAM_MT_DYNAMIC_MOD && + mod_type != PAM_MT_FAULTY_MOD) { + D(("_pam_add_handlers: illegal module library type; %d", mod_type)); + pam_syslog(pamh, LOG_ERR, + "internal error: module library type not known: %s;%d", + sym, mod_type); + return PAM_ABORT; + } + + /* now identify this module's functions - for non-faulty modules */ + + if ((mod_type == PAM_MT_DYNAMIC_MOD) && + !(func = _pam_dlsym(mod->dl_handle, sym)) ) { + pam_syslog(pamh, LOG_ERR, "unable to resolve symbol: %s", sym); + } + if (sym2) { + if ((mod_type == PAM_MT_DYNAMIC_MOD) && + !(func2 = _pam_dlsym(mod->dl_handle, sym2)) ) { + pam_syslog(pamh, LOG_ERR, "unable to resolve symbol: %s", sym2); + } + } + + /* here func (and perhaps func2) point to the appropriate functions */ + + /* add new handler to end of existing list */ + while (*handler_p != NULL) { + handler_p = &((*handler_p)->next); + } + + if ((*handler_p = malloc(sizeof(struct handler))) == NULL) { + pam_syslog(pamh, LOG_CRIT, "cannot malloc struct handler #1"); + return (PAM_ABORT); + } + + (*handler_p)->handler_type = handler_type; + (*handler_p)->stack_level = stack_level; + (*handler_p)->func = func; + memcpy((*handler_p)->actions,actions,sizeof((*handler_p)->actions)); + (*handler_p)->cached_retval = _PAM_INVALID_RETVAL; + (*handler_p)->cached_retval_p = &((*handler_p)->cached_retval); + (*handler_p)->argc = argc; + (*handler_p)->argv = argv; /* not a copy */ + if (((*handler_p)->mod_name = extract_modulename(mod_path)) == NULL) + return PAM_ABORT; + (*handler_p)->grantor = 0; + (*handler_p)->next = NULL; + + /* some of the modules have a second calling function */ + if (handler_p2) { + /* add new handler to end of existing list */ + while (*handler_p2) { + handler_p2 = &((*handler_p2)->next); + } + + if ((*handler_p2 = malloc(sizeof(struct handler))) == NULL) { + pam_syslog(pamh, LOG_CRIT, "cannot malloc struct handler #2"); + return (PAM_ABORT); + } + + (*handler_p2)->handler_type = handler_type; + (*handler_p2)->stack_level = stack_level; + (*handler_p2)->func = func2; + memcpy((*handler_p2)->actions,actions,sizeof((*handler_p2)->actions)); + (*handler_p2)->cached_retval = _PAM_INVALID_RETVAL; /* ignored */ + /* Note, this next entry points to the handler_p value! */ + (*handler_p2)->cached_retval_p = &((*handler_p)->cached_retval); + (*handler_p2)->argc = argc; + if (argv) { + if (((*handler_p2)->argv = malloc(argvlen)) == NULL) { + pam_syslog(pamh, LOG_CRIT, "cannot malloc argv for handler #2"); + return (PAM_ABORT); + } + memcpy((*handler_p2)->argv, argv, argvlen); + } else { + (*handler_p2)->argv = NULL; /* no arguments */ + } + if (((*handler_p2)->mod_name = extract_modulename(mod_path)) == NULL) + return PAM_ABORT; + (*handler_p2)->grantor = 0; + (*handler_p2)->next = NULL; + } + + D(("_pam_add_handler: returning successfully")); + + return PAM_SUCCESS; +} + +/* Free various allocated structures and dlclose() the libs */ +int _pam_free_handlers(pam_handle_t *pamh) +{ + struct loaded_module *mod; + + D(("called.")); + IF_NO_PAMH("_pam_free_handlers",pamh,PAM_SYSTEM_ERR); + + mod = pamh->handlers.module; + + /* Close all loaded modules */ + + while (pamh->handlers.modules_used) { + D(("_pam_free_handlers: dlclose(%s)", mod->name)); + free(mod->name); + if (mod->type == PAM_MT_DYNAMIC_MOD) { + _pam_dlclose(mod->dl_handle); + } + mod++; + pamh->handlers.modules_used--; + } + + /* Free all the handlers */ + + _pam_free_handlers_aux(&(pamh->handlers.conf.authenticate)); + _pam_free_handlers_aux(&(pamh->handlers.conf.setcred)); + _pam_free_handlers_aux(&(pamh->handlers.conf.acct_mgmt)); + _pam_free_handlers_aux(&(pamh->handlers.conf.open_session)); + _pam_free_handlers_aux(&(pamh->handlers.conf.close_session)); + _pam_free_handlers_aux(&(pamh->handlers.conf.chauthtok)); + + _pam_free_handlers_aux(&(pamh->handlers.other.authenticate)); + _pam_free_handlers_aux(&(pamh->handlers.other.setcred)); + _pam_free_handlers_aux(&(pamh->handlers.other.acct_mgmt)); + _pam_free_handlers_aux(&(pamh->handlers.other.open_session)); + _pam_free_handlers_aux(&(pamh->handlers.other.close_session)); + _pam_free_handlers_aux(&(pamh->handlers.other.chauthtok)); + + /* no more loaded modules */ + + _pam_drop(pamh->handlers.module); + + /* Indicate that handlers are not initialized for this pamh */ + + pamh->handlers.handlers_loaded = 0; + + return PAM_SUCCESS; +} + +void _pam_start_handlers(pam_handle_t *pamh) +{ + D(("called.")); + /* NB. There is no check for a NULL pamh here, since no return + * value to communicate the fact! */ + + /* Indicate that handlers are not initialized for this pamh */ + pamh->handlers.handlers_loaded = 0; + + pamh->handlers.modules_allocated = 0; + pamh->handlers.modules_used = 0; + pamh->handlers.module = NULL; + + /* initialize the .conf and .other entries */ + + pamh->handlers.conf.authenticate = NULL; + pamh->handlers.conf.setcred = NULL; + pamh->handlers.conf.acct_mgmt = NULL; + pamh->handlers.conf.open_session = NULL; + pamh->handlers.conf.close_session = NULL; + pamh->handlers.conf.chauthtok = NULL; + + pamh->handlers.other.authenticate = NULL; + pamh->handlers.other.setcred = NULL; + pamh->handlers.other.acct_mgmt = NULL; + pamh->handlers.other.open_session = NULL; + pamh->handlers.other.close_session = NULL; + pamh->handlers.other.chauthtok = NULL; +} + +void _pam_free_handlers_aux(struct handler **hp) +{ + struct handler *h = *hp; + struct handler *last; + + D(("called.")); + while (h) { + last = h; + _pam_drop(h->argv); /* This is all allocated in a single chunk */ + _pam_drop(h->mod_name); + h = h->next; + memset(last, 0, sizeof(*last)); + free(last); + } + + *hp = NULL; +} diff --git a/libpam/pam_item.c b/libpam/pam_item.c new file mode 100644 index 0000000..d6af710 --- /dev/null +++ b/libpam/pam_item.c @@ -0,0 +1,396 @@ +/* pam_item.c */ + +/* + * $Id$ + */ + +#include "pam_private.h" + +#include +#include +#include +#include + +#define TRY_SET(X, Y) \ +{ \ + if ((X) != (Y)) { \ + char *_TMP_ = _pam_strdup(Y); \ + if (_TMP_ == NULL && (Y) != NULL) \ + return PAM_BUF_ERR; \ + free(X); \ + (X) = _TMP_; \ + } \ +} + +/* functions */ + +int pam_set_item (pam_handle_t *pamh, int item_type, const void *item) +{ + int retval; + + D(("called")); + + IF_NO_PAMH("pam_set_item", pamh, PAM_SYSTEM_ERR); + + retval = PAM_SUCCESS; + + switch (item_type) { + + case PAM_SERVICE: + /* Setting handlers_loaded to 0 will cause the handlers + * to be reloaded on the next call to a service module. + */ + pamh->handlers.handlers_loaded = 0; + TRY_SET(pamh->service_name, item); + { + char *tmp; + for (tmp=pamh->service_name; *tmp; ++tmp) + *tmp = tolower(*tmp); /* require lower case */ + } + break; + + case PAM_USER: + TRY_SET(pamh->user, item); + pamh->former.fail_user = PAM_SUCCESS; + break; + + case PAM_USER_PROMPT: + TRY_SET(pamh->prompt, item); + pamh->former.fail_user = PAM_SUCCESS; + break; + + case PAM_TTY: + D(("setting tty to %s", item)); + TRY_SET(pamh->tty, item); + break; + + case PAM_RUSER: + TRY_SET(pamh->ruser, item); + break; + + case PAM_RHOST: + TRY_SET(pamh->rhost, item); + break; + + case PAM_AUTHTOK: + /* + * PAM_AUTHTOK and PAM_OLDAUTHTOK are only accessible from + * modules. + */ + if (__PAM_FROM_MODULE(pamh)) { + if (pamh->authtok != item) { + _pam_overwrite(pamh->authtok); + TRY_SET(pamh->authtok, item); + } + } else { + retval = PAM_BAD_ITEM; + } + + break; + + case PAM_OLDAUTHTOK: + /* + * PAM_AUTHTOK and PAM_OLDAUTHTOK are only accessible from + * modules. + */ + if (__PAM_FROM_MODULE(pamh)) { + if (pamh->oldauthtok != item) { + _pam_overwrite(pamh->oldauthtok); + TRY_SET(pamh->oldauthtok, item); + } + } else { + retval = PAM_BAD_ITEM; + } + + break; + + case PAM_CONV: /* want to change the conversation function */ + if (item == NULL) { + pam_syslog(pamh, LOG_ERR, + "pam_set_item: attempt to set conv() to NULL"); + retval = PAM_PERM_DENIED; + } else { + struct pam_conv *tconv; + + if ((tconv= + (struct pam_conv *) malloc(sizeof(struct pam_conv)) + ) == NULL) { + pam_syslog(pamh, LOG_CRIT, + "pam_set_item: malloc failed for pam_conv"); + retval = PAM_BUF_ERR; + } else { + memcpy(tconv, item, sizeof(struct pam_conv)); + _pam_drop(pamh->pam_conversation); + pamh->pam_conversation = tconv; + pamh->former.fail_user = PAM_SUCCESS; + } + } + break; + + case PAM_FAIL_DELAY: + pamh->fail_delay.delay_fn_ptr = item; + break; + + case PAM_XDISPLAY: + TRY_SET(pamh->xdisplay, item); + break; + + case PAM_XAUTHDATA: + if (&pamh->xauth == item) + break; + if (pamh->xauth.namelen) { + _pam_overwrite(pamh->xauth.name); + free(pamh->xauth.name); + } + if (pamh->xauth.datalen) { + _pam_overwrite_n(pamh->xauth.data, + (unsigned int) pamh->xauth.datalen); + free(pamh->xauth.data); + } + pamh->xauth = *((const struct pam_xauth_data *) item); + if ((pamh->xauth.name=_pam_strdup(pamh->xauth.name)) == NULL) { + memset(&pamh->xauth, '\0', sizeof(pamh->xauth)); + return PAM_BUF_ERR; + } + if ((pamh->xauth.data=_pam_memdup(pamh->xauth.data, + pamh->xauth.datalen)) == NULL) { + _pam_overwrite(pamh->xauth.name); + free(pamh->xauth.name); + memset(&pamh->xauth, '\0', sizeof(pamh->xauth)); + return PAM_BUF_ERR; + } + break; + + case PAM_AUTHTOK_TYPE: + TRY_SET(pamh->authtok_type, item); + break; + + default: + retval = PAM_BAD_ITEM; + } + + return retval; +} + +int pam_get_item (const pam_handle_t *pamh, int item_type, const void **item) +{ + int retval = PAM_SUCCESS; + + D(("called.")); + IF_NO_PAMH("pam_get_item", pamh, PAM_SYSTEM_ERR); + + if (item == NULL) { + pam_syslog(pamh, LOG_ERR, + "pam_get_item: nowhere to place requested item"); + return PAM_PERM_DENIED; + } + else + *item = NULL; + + switch (item_type) { + case PAM_SERVICE: + *item = pamh->service_name; + break; + + case PAM_USER: + D(("returning user=%s", pamh->user)); + *item = pamh->user; + break; + + case PAM_USER_PROMPT: + D(("returning userprompt=%s", pamh->user)); + *item = pamh->prompt; + break; + + case PAM_TTY: + D(("returning tty=%s", pamh->tty)); + *item = pamh->tty; + break; + + case PAM_RUSER: + *item = pamh->ruser; + break; + + case PAM_RHOST: + *item = pamh->rhost; + break; + + case PAM_AUTHTOK: + /* + * PAM_AUTHTOK and PAM_OLDAUTHTOK are only accessible from + * modules. + */ + if (__PAM_FROM_MODULE(pamh)) { + *item = pamh->authtok; + } else { + retval = PAM_BAD_ITEM; + } + break; + + case PAM_OLDAUTHTOK: + /* + * PAM_AUTHTOK and PAM_OLDAUTHTOK are only accessible from + * modules. + */ + if (__PAM_FROM_MODULE(pamh)) { + *item = pamh->oldauthtok; + } else { + retval = PAM_BAD_ITEM; + } + break; + + case PAM_CONV: + *item = pamh->pam_conversation; + break; + + case PAM_FAIL_DELAY: + *item = pamh->fail_delay.delay_fn_ptr; + break; + + case PAM_XDISPLAY: + *item = pamh->xdisplay; + break; + + case PAM_XAUTHDATA: + *item = &pamh->xauth; + break; + + case PAM_AUTHTOK_TYPE: + *item = pamh->authtok_type; + break; + + default: + retval = PAM_BAD_ITEM; + } + + return retval; +} + +/* + * This function is the 'preferred method to obtain the username'. + */ + +int pam_get_user(pam_handle_t *pamh, const char **user, const char *prompt) +{ + const char *use_prompt; + int retval; + struct pam_message msg; + const struct pam_message *pmsg; + struct pam_response *resp; + + D(("called.")); + + IF_NO_PAMH("pam_get_user", pamh, PAM_SYSTEM_ERR); + + if (user == NULL) { + /* ensure that the module has supplied a destination */ + pam_syslog(pamh, LOG_ERR, "pam_get_user: nowhere to record username"); + return PAM_SYSTEM_ERR; + } else + *user = NULL; + + if (pamh->pam_conversation == NULL) { + pam_syslog(pamh, LOG_ERR, "pam_get_user: no conv element in pamh"); + return PAM_SYSTEM_ERR; + } + + if (pamh->user) { /* have one so return it */ + *user = pamh->user; + return PAM_SUCCESS; + } + + if (pamh->former.fail_user != PAM_SUCCESS) + return pamh->former.fail_user; + + /* will need a prompt */ + if (prompt != NULL) + use_prompt = prompt; + else if (pamh->prompt != NULL) + use_prompt = pamh->prompt; + else + use_prompt = _("login:"); + + /* If we are resuming an old conversation, we verify that the prompt + is the same. Anything else is an error. */ + if (pamh->former.want_user) { + /* must have a prompt to resume with */ + if (! pamh->former.prompt) { + pam_syslog(pamh, LOG_ERR, + "pam_get_user: failed to resume with prompt" + ); + return PAM_ABORT; + } + + /* must be the same prompt as last time */ + if (strcmp(pamh->former.prompt, use_prompt)) { + pam_syslog(pamh, LOG_ERR, + "pam_get_user: resumed with different prompt"); + return PAM_ABORT; + } + + /* ok, we can resume where we left off last time */ + pamh->former.want_user = PAM_FALSE; + _pam_overwrite(pamh->former.prompt); + _pam_drop(pamh->former.prompt); + } + + /* converse with application -- prompt user for a username */ + pmsg = &msg; + msg.msg_style = PAM_PROMPT_ECHO_ON; + msg.msg = use_prompt; + resp = NULL; + + retval = pamh->pam_conversation-> + conv(1, &pmsg, &resp, pamh->pam_conversation->appdata_ptr); + + switch (retval) { + case PAM_SUCCESS: + case PAM_BUF_ERR: + case PAM_CONV_AGAIN: + case PAM_CONV_ERR: + break; + default: + retval = PAM_CONV_ERR; + } + + switch (retval) { + case PAM_CONV_AGAIN: + /* conversation function is waiting for an event - save state */ + D(("conversation function is not ready yet")); + pamh->former.want_user = PAM_TRUE; + pamh->former.prompt = _pam_strdup(use_prompt); + break; + case PAM_SUCCESS: + if (resp != NULL && resp->resp != NULL) { + /* + * now we set the PAM_USER item -- this was missing from pre.53 + * releases. However, reading the Sun manual, it is part of + * the standard API. + */ + retval = pam_set_item(pamh, PAM_USER, resp->resp); + *user = pamh->user; + break; + } else { + /* conversation should have given a response */ + D(("pam_get_user: no response provided")); + retval = PAM_CONV_ERR; + } + /* fallthrough */ + default: + pamh->former.fail_user = retval; + } + + if (resp) { + if (retval != PAM_SUCCESS) + pam_syslog(pamh, LOG_WARNING, + "unexpected response from failed conversation function"); + /* + * note 'resp' is allocated by the application and is + * correctly free()'d here + */ + _pam_drop_reply(resp, 1); + } + + D(("completed")); + return retval; /* pass on any error from conversation */ +} diff --git a/libpam/pam_misc.c b/libpam/pam_misc.c new file mode 100644 index 0000000..996f23c --- /dev/null +++ b/libpam/pam_misc.c @@ -0,0 +1,360 @@ +/* pam_misc.c -- This is random stuff + * + * Copyright (c) Andrew G. Morgan 2000-2003 + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "pam_private.h" + +#include +#include +#include +#include +#include +#include + +char *_pam_StrTok(char *from, const char *format, char **next) +/* + * this function is a variant of the standard strtok, it differs in that + * it takes an additional argument and doesn't nul terminate tokens until + * they are actually reached. + */ +{ + char table[256], *end; + int i; + + if (from == NULL && (from = *next) == NULL) + return from; + + /* initialize table */ + for (i=1; i<256; table[i++] = '\0'); + for (i=0; format[i] ; + table[(unsigned char)format[i++]] = 'y'); + + /* look for first non-format char */ + while (*from && table[(unsigned char)*from]) { + ++from; + } + + if (*from == '[') { + /* + * special case, "[...]" is considered to be a single + * object. Note, however, if one of the format[] chars is + * '[' this single string will not be read correctly. + * Note, any '[' inside the outer "[...]" pair will survive. + * Note, the first ']' will terminate this string, but + * that "\]" will get compressed into "]". That is: + * + * "[..[..\]..]..." --> "..[..].." + */ + char *to; + for (to=end=++from; *end && *end != ']'; ++to, ++end) { + if (*end == '\\' && end[1] == ']') + ++end; + if (to != end) { + *to = *end; + } + } + if (to != end) { + *to = '\0'; + } + /* note, this string is stripped of its edges: "..." is what + remains */ + } else if (*from) { + /* simply look for next blank char */ + for (end=from; *end && !table[(unsigned char)*end]; ++end); + } else { + return (*next = NULL); /* no tokens left */ + } + + /* now terminate what we have */ + if (*end) + *end++ = '\0'; + + /* indicate what it left */ + if (*end) { + *next = end; + } else { + *next = NULL; /* have found last token */ + } + + /* return what we have */ + return from; +} + +/* + * Safe duplication of character strings. "Paranoid"; don't leave + * evidence of old token around for later stack analysis. + */ + +char *_pam_strdup(const char *x) +{ + register char *new=NULL; + + if (x != NULL) { + register int len; + + len = strlen (x) + 1; /* length of string including NUL */ + if ((new = malloc(len)) == NULL) { + len = 0; + pam_syslog(NULL, LOG_CRIT, "_pam_strdup: failed to get memory"); + } else { + strcpy (new, x); + } + x = NULL; + } + + return new; /* return the duplicate or NULL on error */ +} + +/* + * Safe duplication of memory buffers. "Paranoid"; don't leave + * evidence of old token around for later stack analysis. + */ + +char *_pam_memdup(const char *x, int len) +{ + register char *new=NULL; + + if (x != NULL) { + if ((new = malloc(len)) == NULL) { + len = 0; + pam_syslog(NULL, LOG_CRIT, "_pam_memdup: failed to get memory"); + } else { + memcpy (new, x, len); + } + x = NULL; + } + + return new; /* return the duplicate or NULL on error */ +} + +/* Generate argv, argc from s */ +/* caller must free(argv) */ + +int _pam_mkargv(const char *s, char ***argv, int *argc) +{ + int l; + int argvlen = 0; + char *sbuf, *sbuf_start; + char **our_argv = NULL; + char **argvbuf; + char *argvbufp; +#ifdef PAM_DEBUG + int count=0; +#endif + + D(("_pam_mkargv called: %s",s)); + + *argc = 0; + + l = strlen(s); + if (l) { + if ((sbuf = sbuf_start = _pam_strdup(s)) == NULL) { + pam_syslog(NULL, LOG_CRIT, + "pam_mkargv: null returned by _pam_strdup"); + D(("arg NULL")); + } else { + /* Overkill on the malloc, but not large */ + argvlen = (l + 1) * ((sizeof(char)) + sizeof(char *)); + if ((our_argv = argvbuf = malloc(argvlen)) == NULL) { + pam_syslog(NULL, LOG_CRIT, + "pam_mkargv: null returned by malloc"); + } else { + char *tmp=NULL; + + argvbufp = (char *) argvbuf + (l * sizeof(char *)); + D(("[%s]",sbuf)); + while ((sbuf = _pam_StrTok(sbuf, " \n\t", &tmp))) { + D(("arg #%d",++count)); + D(("->[%s]",sbuf)); + strcpy(argvbufp, sbuf); + D(("copied token")); + *argvbuf = argvbufp; + argvbufp += strlen(argvbufp) + 1; + D(("stepped in argvbufp")); + (*argc)++; + argvbuf++; + sbuf = NULL; + D(("loop again?")); + } + } + _pam_drop(sbuf_start); + } + } + + *argv = our_argv; + + D(("_pam_mkargv returned")); + + return(argvlen); +} + +/* + * this function is used to protect the modules from accidental or + * semi-mallicious harm that an application may do to confuse the API. + */ + +void _pam_sanitize(pam_handle_t *pamh) +{ + int old_caller_is = pamh->caller_is; + + /* + * this is for security. We reset the auth-tokens here. + */ + __PAM_TO_MODULE(pamh); + pam_set_item(pamh, PAM_AUTHTOK, NULL); + pam_set_item(pamh, PAM_OLDAUTHTOK, NULL); + pamh->caller_is = old_caller_is; +} + +/* + * This function scans the array and replaces the _PAM_ACTION_UNDEF + * entries with the default action. + */ + +void _pam_set_default_control(int *control_array, int default_action) +{ + int i; + + for (i=0; i<_PAM_RETURN_VALUES; ++i) { + if (control_array[i] == _PAM_ACTION_UNDEF) { + control_array[i] = default_action; + } + } +} + +/* + * This function is used to parse a control string. This string is a + * series of tokens of the following form: + * + * "[ ]*return_code[ ]*=[ ]*action/[ ]". + */ + +#include "pam_tokens.h" + +void _pam_parse_control(int *control_array, char *tok) +{ + const char *error; + int ret; + + while (*tok) { + int act, len; + + /* skip leading space */ + while (isspace((int)*tok) && *++tok); + if (!*tok) + break; + + /* identify return code */ + for (ret=0; ret<=_PAM_RETURN_VALUES; ++ret) { + len = strlen(_pam_token_returns[ret]); + if (!strncmp(_pam_token_returns[ret], tok, len)) { + break; + } + } + if (ret > _PAM_RETURN_VALUES || !*(tok += len)) { + error = "expecting return value"; + goto parse_error; + } + + /* observe '=' */ + while (isspace((int)*tok) && *++tok); + if (!*tok || *tok++ != '=') { + error = "expecting '='"; + goto parse_error; + } + + /* skip leading space */ + while (isspace((int)*tok) && *++tok); + if (!*tok) { + error = "expecting action"; + goto parse_error; + } + + /* observe action type */ + for (act=0; act < (-(_PAM_ACTION_UNDEF)); ++act) { + len = strlen(_pam_token_actions[act]); + if (!strncmp(_pam_token_actions[act], tok, len)) { + act *= -1; + tok += len; + break; + } + } + if (act > 0) { + /* + * Either we have a number or we have hit an error. In + * principle, there is nothing to stop us accepting + * negative offsets. (Although we would have to think of + * another way of encoding the tokens.) However, I really + * think this would be both hard to administer and easily + * cause looping problems. So, for now, we will just + * allow forward jumps. (AGM 1998/1/7) + */ + if (!isdigit((int)*tok)) { + error = "expecting jump number"; + goto parse_error; + } + /* parse a number */ + act = 0; + do { + act *= 10; + act += *tok - '0'; /* XXX - this assumes ascii behavior */ + } while (*++tok && isdigit((int)*tok)); + if (! act) { + /* we do not allow 0 jumps. There is a token ('ignore') + for that */ + error = "expecting non-zero"; + goto parse_error; + } + } + + /* set control_array element */ + if (ret != _PAM_RETURN_VALUES) { + control_array[ret] = act; + } else { + /* set the default to 'act' */ + _pam_set_default_control(control_array, act); + } + } + + /* that was a success */ + return; + +parse_error: + /* treat everything as bad */ + pam_syslog(NULL, LOG_ERR, "pam_parse: %s; [...%s]", error, tok); + for (ret=0; ret<_PAM_RETURN_VALUES; control_array[ret++]=_PAM_ACTION_BAD); + +} diff --git a/libpam/pam_modutil_check_user.c b/libpam/pam_modutil_check_user.c new file mode 100644 index 0000000..cf1bd1b --- /dev/null +++ b/libpam/pam_modutil_check_user.c @@ -0,0 +1,92 @@ +#include "pam_modutil_private.h" +#include + +#include +#include +#include + +int +pam_modutil_check_user_in_passwd(pam_handle_t *pamh, + const char *user_name, + const char *file_name) +{ + int rc; + size_t user_len; + FILE *fp; + char line[BUFSIZ]; + + /* Validate the user name. */ + if ((user_len = strlen(user_name)) == 0) { + pam_syslog(pamh, LOG_NOTICE, "user name is not valid"); + return PAM_SERVICE_ERR; + } + + if (user_len > sizeof(line) - sizeof(":")) { + pam_syslog(pamh, LOG_NOTICE, "user name is too long"); + return PAM_SERVICE_ERR; + } + + if (strchr(user_name, ':') != NULL) { + /* + * "root:x" is not a local user name even if the passwd file + * contains a line starting with "root:x:". + */ + return PAM_PERM_DENIED; + } + + /* Open the passwd file. */ + if (file_name == NULL) { + file_name = "/etc/passwd"; + } + if ((fp = fopen(file_name, "r")) == NULL) { + pam_syslog(pamh, LOG_ERR, "error opening %s: %m", file_name); + return PAM_SERVICE_ERR; + } + + /* + * Scan the file using fgets() instead of fgetpwent_r() because + * the latter is not flexible enough in handling long lines + * in passwd files. + */ + rc = PAM_PERM_DENIED; + while (fgets(line, sizeof(line), fp) != NULL) { + size_t line_len; + const char *str; + + /* + * Does this line start with the user name + * followed by a colon? + */ + if (strncmp(user_name, line, user_len) == 0 && + line[user_len] == ':') { + rc = PAM_SUCCESS; + /* + * Continue reading the file to avoid timing attacks. + */ + } + /* Has a newline been read? */ + line_len = strlen(line); + if (line_len < sizeof(line) - 1 || + line[line_len - 1] == '\n') { + /* Yes, continue with the next line. */ + continue; + } + + /* No, read till the end of this line first. */ + while ((str = fgets(line, sizeof(line), fp)) != NULL) { + line_len = strlen(line); + if (line_len == 0 || + line[line_len - 1] == '\n') { + break; + } + } + if (str == NULL) { + /* fgets returned NULL, we are done. */ + break; + } + /* Continue with the next line. */ + } + + fclose(fp); + return rc; +} diff --git a/libpam/pam_modutil_cleanup.c b/libpam/pam_modutil_cleanup.c new file mode 100644 index 0000000..8224ce6 --- /dev/null +++ b/libpam/pam_modutil_cleanup.c @@ -0,0 +1,19 @@ +/* + * $Id$ + * + * This function provides a common pam_set_data() friendly version of free(). + */ + +#include "pam_modutil_private.h" + +#include + +void +pam_modutil_cleanup (pam_handle_t *pamh UNUSED, void *data, + int error_status UNUSED) +{ + if (data) { + /* junk it */ + (void) free(data); + } +} diff --git a/libpam/pam_modutil_getgrgid.c b/libpam/pam_modutil_getgrgid.c new file mode 100644 index 0000000..386d6f4 --- /dev/null +++ b/libpam/pam_modutil_getgrgid.c @@ -0,0 +1,138 @@ +/* + * $Id$ + * + * This function provides a thread safer version of getgrgid() for use + * with PAM modules that care about this sort of thing. + * + * XXX - or at least it should provide a thread-safe alternative. + */ + +#include "pam_modutil_private.h" + +#include +#include +#include +#include +#include + +static int intlen(int number) +{ + int len = 2; + while (number != 0) { + number /= 10; + len++; + } + return len; +} + +static int longlen(long number) +{ + int len = 2; + while (number != 0) { + number /= 10; + len++; + } + return len; +} + +struct group * +pam_modutil_getgrgid(pam_handle_t *pamh, gid_t gid) +{ +#ifdef HAVE_GETGRGID_R + + void *buffer=NULL; + size_t length = PWD_INITIAL_LENGTH; + + do { + int status; + void *new_buffer; + struct group *result = NULL; + + new_buffer = realloc(buffer, sizeof(struct group) + length); + if (new_buffer == NULL) { + + D(("out of memory")); + + /* no memory for the user - so delete the memory */ + if (buffer) { + free(buffer); + } + return NULL; + } + buffer = new_buffer; + + /* make the re-entrant call to get the grp structure */ + errno = 0; + status = getgrgid_r(gid, buffer, + sizeof(struct group) + (char *) buffer, + length, &result); + if (!status && (result == buffer)) { + char *data_name; + const void *ignore; + int i; + + data_name = malloc(strlen("_pammodutil_getgrgid") + 1 + + longlen((long)gid) + 1 + intlen(INT_MAX) + 1); + if ((pamh != NULL) && (data_name == NULL)) { + D(("was unable to register the data item [%s]", + pam_strerror(pamh, status))); + free(buffer); + return NULL; + } + + if (pamh != NULL) { + for (i = 0; i < INT_MAX; i++) { + sprintf(data_name, "_pammodutil_getgrgid_%ld_%d", + (long) gid, i); + status = PAM_NO_MODULE_DATA; + if (pam_get_data(pamh, data_name, &ignore) != PAM_SUCCESS) { + status = pam_set_data(pamh, data_name, + result, pam_modutil_cleanup); + } + if (status == PAM_SUCCESS) { + break; + } + } + } else { + status = PAM_SUCCESS; + } + + free(data_name); + + if (status == PAM_SUCCESS) { + D(("success")); + return result; + } + + D(("was unable to register the data item [%s]", + pam_strerror(pamh, status))); + + free(buffer); + return NULL; + + } else if (errno != ERANGE && errno != EINTR) { + /* no sense in repeating the call */ + break; + } + + length <<= PWD_LENGTH_SHIFT; + + } while (length < PWD_ABSURD_PWD_LENGTH); + + D(("grp structure took %u bytes or so of memory", + length+sizeof(struct group))); + + free(buffer); + return NULL; + +#else /* ie. ifndef HAVE_GETGRGID_R */ + + /* + * Sorry, there does not appear to be a reentrant version of + * getgrgid(). So, we use the standard libc function. + */ + + return getgrgid(gid); + +#endif /* def HAVE_GETGRGID_R */ +} diff --git a/libpam/pam_modutil_getgrnam.c b/libpam/pam_modutil_getgrnam.c new file mode 100644 index 0000000..cbb1551 --- /dev/null +++ b/libpam/pam_modutil_getgrnam.c @@ -0,0 +1,127 @@ +/* + * $Id$ + * + * This function provides a thread safer version of getgrnam() for use + * with PAM modules that care about this sort of thing. + * + * XXX - or at least it should provide a thread-safe alternative. + */ + +#include "pam_modutil_private.h" + +#include +#include +#include +#include +#include + +static int intlen(int number) +{ + int len = 2; + while (number != 0) { + number /= 10; + len++; + } + return len; +} + +struct group * +pam_modutil_getgrnam(pam_handle_t *pamh, const char *group) +{ +#ifdef HAVE_GETGRNAM_R + + void *buffer=NULL; + size_t length = PWD_INITIAL_LENGTH; + + do { + int status; + void *new_buffer; + struct group *result = NULL; + + new_buffer = realloc(buffer, sizeof(struct group) + length); + if (new_buffer == NULL) { + + D(("out of memory")); + + /* no memory for the group - so delete the memory */ + if (buffer) { + free(buffer); + } + return NULL; + } + buffer = new_buffer; + + /* make the re-entrant call to get the grp structure */ + errno = 0; + status = getgrnam_r(group, buffer, + sizeof(struct group) + (char *) buffer, + length, &result); + if (!status && (result == buffer)) { + char *data_name; + const void *ignore; + int i; + + data_name = malloc(strlen("_pammodutil_getgrnam") + 1 + + strlen(group) + 1 + intlen(INT_MAX) + 1); + if ((pamh != NULL) && (data_name == NULL)) { + D(("was unable to register the data item [%s]", + pam_strerror(pamh, status))); + free(buffer); + return NULL; + } + + if (pamh != NULL) { + for (i = 0; i < INT_MAX; i++) { + sprintf(data_name, "_pammodutil_getgrnam_%s_%d", group, i); + status = PAM_NO_MODULE_DATA; + if (pam_get_data(pamh, data_name, &ignore) != PAM_SUCCESS) { + status = pam_set_data(pamh, data_name, + result, pam_modutil_cleanup); + } + if (status == PAM_SUCCESS) { + break; + } + } + } else { + status = PAM_SUCCESS; + } + + free(data_name); + + if (status == PAM_SUCCESS) { + D(("success")); + return result; + } + + D(("was unable to register the data item [%s]", + pam_strerror(pamh, status))); + + free(buffer); + return NULL; + + } else if (errno != ERANGE && errno != EINTR) { + /* no sense in repeating the call */ + break; + } + + length <<= PWD_LENGTH_SHIFT; + + } while (length < PWD_ABSURD_PWD_LENGTH); + + D(("grp structure took %u bytes or so of memory", + length+sizeof(struct group))); + + free(buffer); + return NULL; + +#else /* ie. ifndef HAVE_GETGRNAM_R */ + + /* + * Sorry, there does not appear to be a reentrant version of + * getgrnam(). So, we use the standard libc function. + */ + + return getgrnam(group); + +#endif /* def HAVE_GETGRNAM_R */ +} diff --git a/libpam/pam_modutil_getlogin.c b/libpam/pam_modutil_getlogin.c new file mode 100644 index 0000000..04a20fd --- /dev/null +++ b/libpam/pam_modutil_getlogin.c @@ -0,0 +1,80 @@ +/* + * $Id$ + * + * A central point for invoking getlogin(). Hopefully, this is a + * little harder to spoof than all the other versions that are out + * there. + */ + +#include "pam_modutil_private.h" + +#include +#include +#include + +#define _PAMMODUTIL_GETLOGIN "_pammodutil_getlogin" + +const char * +pam_modutil_getlogin(pam_handle_t *pamh) +{ + int status; + const void *logname; + const void *void_curr_tty; + const char *curr_tty; + char *curr_user; + struct utmp *ut, line; + + status = pam_get_data(pamh, _PAMMODUTIL_GETLOGIN, &logname); + if (status == PAM_SUCCESS) { + return logname; + } + + status = pam_get_item(pamh, PAM_TTY, &void_curr_tty); + if ((status != PAM_SUCCESS) || (void_curr_tty == NULL)) + curr_tty = ttyname(0); + else + curr_tty = (const char*)void_curr_tty; + + if (curr_tty == NULL) { + return NULL; + } + + if (curr_tty[0] == '/') { /* full path */ + const char *t; + curr_tty++; + if ((t = strchr(curr_tty, '/')) != NULL) { + curr_tty = t + 1; + } + } + logname = NULL; + + setutent(); + strncpy(line.ut_line, curr_tty, sizeof(line.ut_line)); + + if ((ut = getutline(&line)) == NULL) { + goto clean_up_and_go_home; + } + + curr_user = calloc(sizeof(line.ut_user)+1, 1); + if (curr_user == NULL) { + goto clean_up_and_go_home; + } + + strncpy(curr_user, ut->ut_user, sizeof(ut->ut_user)); + /* calloc already zeroed the memory */ + + status = pam_set_data(pamh, _PAMMODUTIL_GETLOGIN, curr_user, + pam_modutil_cleanup); + if (status != PAM_SUCCESS) { + free(curr_user); + goto clean_up_and_go_home; + } + + logname = curr_user; + +clean_up_and_go_home: + + endutent(); + + return logname; +} diff --git a/libpam/pam_modutil_getpwnam.c b/libpam/pam_modutil_getpwnam.c new file mode 100644 index 0000000..8132c76 --- /dev/null +++ b/libpam/pam_modutil_getpwnam.c @@ -0,0 +1,127 @@ +/* + * $Id$ + * + * This function provides a thread safer version of getpwnam() for use + * with PAM modules that care about this sort of thing. + * + * XXX - or at least it should provide a thread-safe alternative. + */ + +#include "pam_modutil_private.h" + +#include +#include +#include +#include +#include + +static int intlen(int number) +{ + int len = 2; + while (number != 0) { + number /= 10; + len++; + } + return len; +} + +struct passwd * +pam_modutil_getpwnam(pam_handle_t *pamh, const char *user) +{ +#ifdef HAVE_GETPWNAM_R + + void *buffer=NULL; + size_t length = PWD_INITIAL_LENGTH; + + do { + int status; + void *new_buffer; + struct passwd *result = NULL; + + new_buffer = realloc(buffer, sizeof(struct passwd) + length); + if (new_buffer == NULL) { + + D(("out of memory")); + + /* no memory for the user - so delete the memory */ + if (buffer) { + free(buffer); + } + return NULL; + } + buffer = new_buffer; + + /* make the re-entrant call to get the pwd structure */ + errno = 0; + status = getpwnam_r(user, buffer, + sizeof(struct passwd) + (char *) buffer, + length, &result); + if (!status && (result == buffer)) { + char *data_name; + const void *ignore; + int i; + + data_name = malloc(strlen("_pammodutil_getpwnam") + 1 + + strlen(user) + 1 + intlen(INT_MAX) + 1); + if ((pamh != NULL) && (data_name == NULL)) { + D(("was unable to register the data item [%s]", + pam_strerror(pamh, status))); + free(buffer); + return NULL; + } + + if (pamh != NULL) { + for (i = 0; i < INT_MAX; i++) { + sprintf(data_name, "_pammodutil_getpwnam_%s_%d", user, i); + status = PAM_NO_MODULE_DATA; + if (pam_get_data(pamh, data_name, &ignore) != PAM_SUCCESS) { + status = pam_set_data(pamh, data_name, + result, pam_modutil_cleanup); + } + if (status == PAM_SUCCESS) { + break; + } + } + } else { + status = PAM_SUCCESS; + } + + free(data_name); + + if (status == PAM_SUCCESS) { + D(("success")); + return result; + } + + D(("was unable to register the data item [%s]", + pam_strerror(pamh, status))); + + free(buffer); + return NULL; + + } else if (errno != ERANGE && errno != EINTR) { + /* no sense in repeating the call */ + break; + } + + length <<= PWD_LENGTH_SHIFT; + + } while (length < PWD_ABSURD_PWD_LENGTH); + + D(("pwd structure took %u bytes or so of memory", + length+sizeof(struct passwd))); + + free(buffer); + return NULL; + +#else /* ie. ifndef HAVE_GETPWNAM_R */ + + /* + * Sorry, there does not appear to be a reentrant version of + * getpwnam(). So, we use the standard libc function. + */ + + return getpwnam(user); + +#endif /* def HAVE_GETPWNAM_R */ +} diff --git a/libpam/pam_modutil_getpwuid.c b/libpam/pam_modutil_getpwuid.c new file mode 100644 index 0000000..3a43593 --- /dev/null +++ b/libpam/pam_modutil_getpwuid.c @@ -0,0 +1,138 @@ +/* + * $Id$ + * + * This function provides a thread safer version of getpwuid() for use + * with PAM modules that care about this sort of thing. + * + * XXX - or at least it should provide a thread-safe alternative. + */ + +#include "pam_modutil_private.h" + +#include +#include +#include +#include +#include + +static int intlen(int number) +{ + int len = 2; + while (number != 0) { + number /= 10; + len++; + } + return len; +} + +static int longlen(long number) +{ + int len = 2; + while (number != 0) { + number /= 10; + len++; + } + return len; +} + +struct passwd * +pam_modutil_getpwuid(pam_handle_t *pamh, uid_t uid) +{ +#ifdef HAVE_GETPWUID_R + + void *buffer=NULL; + size_t length = PWD_INITIAL_LENGTH; + + do { + int status; + void *new_buffer; + struct passwd *result = NULL; + + new_buffer = realloc(buffer, sizeof(struct passwd) + length); + if (new_buffer == NULL) { + + D(("out of memory")); + + /* no memory for the user - so delete the memory */ + if (buffer) { + free(buffer); + } + return NULL; + } + buffer = new_buffer; + + /* make the re-entrant call to get the pwd structure */ + errno = 0; + status = getpwuid_r(uid, buffer, + sizeof(struct passwd) + (char *) buffer, + length, &result); + if (!status && (result == buffer)) { + char *data_name; + const void *ignore; + int i; + + data_name = malloc(strlen("_pammodutil_getpwuid") + 1 + + longlen((long) uid) + 1 + intlen(INT_MAX) + 1); + if ((pamh != NULL) && (data_name == NULL)) { + D(("was unable to register the data item [%s]", + pam_strerror(pamh, status))); + free(buffer); + return NULL; + } + + if (pamh != NULL) { + for (i = 0; i < INT_MAX; i++) { + sprintf(data_name, "_pammodutil_getpwuid_%ld_%d", + (long) uid, i); + status = PAM_NO_MODULE_DATA; + if (pam_get_data(pamh, data_name, &ignore) != PAM_SUCCESS) { + status = pam_set_data(pamh, data_name, + result, pam_modutil_cleanup); + } + if (status == PAM_SUCCESS) { + break; + } + } + } else { + status = PAM_SUCCESS; + } + + free(data_name); + + if (status == PAM_SUCCESS) { + D(("success")); + return result; + } + + D(("was unable to register the data item [%s]", + pam_strerror(pamh, status))); + + free(buffer); + return NULL; + + } else if (errno != ERANGE && errno != EINTR) { + /* no sense in repeating the call */ + break; + } + + length <<= PWD_LENGTH_SHIFT; + + } while (length < PWD_ABSURD_PWD_LENGTH); + + D(("pwd structure took %u bytes or so of memory", + length+sizeof(struct passwd))); + + free(buffer); + return NULL; + +#else /* ie. ifndef HAVE_GETPWUID_R */ + + /* + * Sorry, there does not appear to be a reentrant version of + * getpwuid(). So, we use the standard libc function. + */ + + return getpwuid(uid); + +#endif /* def HAVE_GETPWUID_R */ +} diff --git a/libpam/pam_modutil_getspnam.c b/libpam/pam_modutil_getspnam.c new file mode 100644 index 0000000..032709e --- /dev/null +++ b/libpam/pam_modutil_getspnam.c @@ -0,0 +1,127 @@ +/* + * $Id$ + * + * This function provides a thread safer version of getspnam() for use + * with PAM modules that care about this sort of thing. + * + * XXX - or at least it should provide a thread-safe alternative. + */ + +#include "pam_modutil_private.h" + +#include +#include +#include +#include +#include + +static int intlen(int number) +{ + int len = 2; + while (number != 0) { + number /= 10; + len++; + } + return len; +} + +struct spwd * +pam_modutil_getspnam(pam_handle_t *pamh, const char *user) +{ +#ifdef HAVE_GETSPNAM_R + + void *buffer=NULL; + size_t length = PWD_INITIAL_LENGTH; + + do { + int status; + void *new_buffer; + struct spwd *result = NULL; + + new_buffer = realloc(buffer, sizeof(struct spwd) + length); + if (new_buffer == NULL) { + + D(("out of memory")); + + /* no memory for the user - so delete the memory */ + if (buffer) { + free(buffer); + } + return NULL; + } + buffer = new_buffer; + + /* make the re-entrant call to get the spwd structure */ + errno = 0; + status = getspnam_r(user, buffer, + sizeof(struct spwd) + (char *) buffer, + length, &result); + if (!status && (result == buffer)) { + char *data_name; + const void *ignore; + int i; + + data_name = malloc(strlen("_pammodutil_getspnam") + 1 + + strlen(user) + 1 + intlen(INT_MAX) + 1); + if ((pamh != NULL) && (data_name == NULL)) { + D(("was unable to register the data item [%s]", + pam_strerror(pamh, status))); + free(buffer); + return NULL; + } + + if (pamh != NULL) { + for (i = 0; i < INT_MAX; i++) { + sprintf(data_name, "_pammodutil_getspnam_%s_%d", user, i); + status = PAM_NO_MODULE_DATA; + if (pam_get_data(pamh, data_name, &ignore) != PAM_SUCCESS) { + status = pam_set_data(pamh, data_name, + result, pam_modutil_cleanup); + } + if (status == PAM_SUCCESS) { + break; + } + } + } else { + status = PAM_SUCCESS; + } + + free(data_name); + + if (status == PAM_SUCCESS) { + D(("success")); + return result; + } + + D(("was unable to register the data item [%s]", + pam_strerror(pamh, status))); + + free(buffer); + return NULL; + + } else if (errno != ERANGE && errno != EINTR) { + /* no sense in repeating the call */ + break; + } + + length <<= PWD_LENGTH_SHIFT; + + } while (length < PWD_ABSURD_PWD_LENGTH); + + D(("spwd structure took %u bytes or so of memory", + length+sizeof(struct spwd))); + + free(buffer); + return NULL; + +#else /* ie. ifndef HAVE_GETSPNAM_R */ + + /* + * Sorry, there does not appear to be a reentrant version of + * getspnam(). So, we use the standard libc function. + */ + + return getspnam(user); + +#endif /* def HAVE_GETSPNAM_R */ +} diff --git a/libpam/pam_modutil_ingroup.c b/libpam/pam_modutil_ingroup.c new file mode 100644 index 0000000..356302e --- /dev/null +++ b/libpam/pam_modutil_ingroup.c @@ -0,0 +1,130 @@ +/* + * $Id$ + * + * This function provides common methods for checking if a user is in a + * specified group. + */ + +#include "pam_modutil_private.h" + +#include +#include +#include + +#ifdef HAVE_GETGROUPLIST + +#define NGROUPS_MIN 100 +#define NGROUPS_MAX 65536 + +static int checkgrouplist(const char *user, gid_t primary, gid_t target) +{ + int ngroups, pgroups, i; + + ngroups = NGROUPS_MIN; + do { + gid_t *grouplist; + + pgroups = ngroups; + grouplist = malloc(sizeof(gid_t) * ngroups); + if (grouplist == NULL) { + return 0; + } + i = getgrouplist(user, primary, grouplist, &ngroups); + if (i >= 0) { + for (i = 0; i < ngroups; i++) { + if (grouplist[i] == target) { + free(grouplist); + return 1; + } + } + } + free(grouplist); + } while (i < 0 && ngroups > 0 && ngroups != pgroups && ngroups <= NGROUPS_MAX); + return 0; +} +#endif + +static int +pam_modutil_user_in_group_common(pam_handle_t *pamh UNUSED, + struct passwd *pwd, + struct group *grp) +{ + int i; + + if (pwd == NULL) { + return 0; + } + if (grp == NULL) { + return 0; + } + + if (pwd->pw_gid == grp->gr_gid) { + return 1; + } + + for (i = 0; (grp->gr_mem != NULL) && (grp->gr_mem[i] != NULL); i++) { + if (strcmp(pwd->pw_name, grp->gr_mem[i]) == 0) { + return 1; + } + } + +#ifdef HAVE_GETGROUPLIST + if (checkgrouplist(pwd->pw_name, pwd->pw_gid, grp->gr_gid)) { + return 1; + } +#endif + + return 0; +} + +int +pam_modutil_user_in_group_nam_nam(pam_handle_t *pamh, + const char *user, const char *group) +{ + struct passwd *pwd; + struct group *grp; + + pwd = pam_modutil_getpwnam(pamh, user); + grp = pam_modutil_getgrnam(pamh, group); + + return pam_modutil_user_in_group_common(pamh, pwd, grp); +} + +int +pam_modutil_user_in_group_nam_gid(pam_handle_t *pamh, + const char *user, gid_t group) +{ + struct passwd *pwd; + struct group *grp; + + pwd = pam_modutil_getpwnam(pamh, user); + grp = pam_modutil_getgrgid(pamh, group); + + return pam_modutil_user_in_group_common(pamh, pwd, grp); +} + +int +pam_modutil_user_in_group_uid_nam(pam_handle_t *pamh, + uid_t user, const char *group) +{ + struct passwd *pwd; + struct group *grp; + + pwd = pam_modutil_getpwuid(pamh, user); + grp = pam_modutil_getgrnam(pamh, group); + + return pam_modutil_user_in_group_common(pamh, pwd, grp); +} + +int +pam_modutil_user_in_group_uid_gid(pam_handle_t *pamh, + uid_t user, gid_t group) +{ + struct passwd *pwd; + struct group *grp; + + pwd = pam_modutil_getpwuid(pamh, user); + grp = pam_modutil_getgrgid(pamh, group); + + return pam_modutil_user_in_group_common(pamh, pwd, grp); +} diff --git a/libpam/pam_modutil_ioloop.c b/libpam/pam_modutil_ioloop.c new file mode 100644 index 0000000..54ab0e5 --- /dev/null +++ b/libpam/pam_modutil_ioloop.c @@ -0,0 +1,53 @@ +/* + * $Id$ + * + * These functions provides common methods for ensure a complete read or + * write occurs. It handles EINTR and partial read/write returns. + */ + +#include "pam_modutil_private.h" + +#include +#include + +int +pam_modutil_read(int fd, char *buffer, int count) +{ + int block, offset = 0; + + while (count > 0) { + block = read(fd, &buffer[offset], count); + + if (block < 0) { + if (errno == EINTR) continue; + return block; + } + if (block == 0) return offset; + + offset += block; + count -= block; + } + + return offset; +} + +int +pam_modutil_write(int fd, const char *buffer, int count) +{ + int block, offset = 0; + + while (count > 0) { + block = write(fd, &buffer[offset], count); + + if (block < 0) { + if (errno == EINTR) continue; + return block; + } + if (block == 0) return offset; + + offset += block; + count -= block; + } + + return offset; +} diff --git a/libpam/pam_modutil_priv.c b/libpam/pam_modutil_priv.c new file mode 100644 index 0000000..a463e06 --- /dev/null +++ b/libpam/pam_modutil_priv.c @@ -0,0 +1,179 @@ +/* + * $Id$ + * + * This file provides two functions: + * pam_modutil_drop_priv: + * temporarily lower process fs privileges by switching to another uid/gid, + * pam_modutil_regain_priv: + * regain process fs privileges lowered by pam_modutil_drop_priv(). + */ + +#include "pam_modutil_private.h" +#include +#include +#include +#include +#include +#include + +/* + * Two setfsuid() calls in a row are necessary to check + * whether setfsuid() succeeded or not. + */ +static int change_uid(uid_t uid, uid_t *save) +{ + uid_t tmp = setfsuid(uid); + if (save) + *save = tmp; + return (uid_t) setfsuid(uid) == uid ? 0 : -1; +} +static int change_gid(gid_t gid, gid_t *save) +{ + gid_t tmp = setfsgid(gid); + if (save) + *save = tmp; + return (gid_t) setfsgid(gid) == gid ? 0 : -1; +} + +static int cleanup(struct pam_modutil_privs *p) +{ + if (p->allocated) { + p->allocated = 0; + free(p->grplist); + } + p->grplist = NULL; + p->number_of_groups = 0; + return -1; +} + +#define PRIV_MAGIC 0x1004000a +#define PRIV_MAGIC_DONOTHING 0xdead000a + +int pam_modutil_drop_priv(pam_handle_t *pamh, + struct pam_modutil_privs *p, + const struct passwd *pw) +{ + int res; + + if (p->is_dropped) { + pam_syslog(pamh, LOG_CRIT, + "pam_modutil_drop_priv: called with dropped privileges"); + return -1; + } + + /* + * If not root, we can do nothing. + * If switching to root, we have nothing to do. + * That is, in both cases, we do not care. + */ + if (geteuid() != 0 || pw->pw_uid == 0) { + p->is_dropped = PRIV_MAGIC_DONOTHING; + return 0; + } + + if (!p->grplist || p->number_of_groups <= 0) { + pam_syslog(pamh, LOG_CRIT, + "pam_modutil_drop_priv: called without room for supplementary groups"); + return -1; + } + res = getgroups(0, NULL); + if (res < 0) { + pam_syslog(pamh, LOG_ERR, + "pam_modutil_drop_priv: getgroups failed: %m"); + return -1; + } + + p->allocated = 0; + if (res > p->number_of_groups) { + p->grplist = calloc(res, sizeof(gid_t)); + if (!p->grplist) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + return cleanup(p); + } + p->allocated = 1; + p->number_of_groups = res; + } + + res = getgroups(p->number_of_groups, p->grplist); + if (res < 0) { + pam_syslog(pamh, LOG_ERR, + "pam_modutil_drop_priv: getgroups failed: %m"); + return cleanup(p); + } + + p->number_of_groups = res; + + /* + * We should care to leave process credentials in consistent state. + * That is, e.g. if change_gid() succeeded but change_uid() failed, + * we should try to restore old gid. + * + * We try to add the supplementary groups on a best-effort + * basis. If it fails, it's not fatal: we fall back to using an + * empty list. + */ + if (initgroups(pw->pw_name, pw->pw_gid)) { + pam_syslog(pamh, LOG_WARNING, + "pam_modutil_drop_priv: initgroups failed: %m"); + + if (setgroups(0, NULL)) { + pam_syslog(pamh, LOG_ERR, + "pam_modutil_drop_priv: setgroups failed: %m"); + return cleanup(p); + } + } + if (change_gid(pw->pw_gid, &p->old_gid)) { + pam_syslog(pamh, LOG_ERR, + "pam_modutil_drop_priv: change_gid failed: %m"); + (void) setgroups(p->number_of_groups, p->grplist); + return cleanup(p); + } + if (change_uid(pw->pw_uid, &p->old_uid)) { + pam_syslog(pamh, LOG_ERR, + "pam_modutil_drop_priv: change_uid failed: %m"); + (void) change_gid(p->old_gid, NULL); + (void) setgroups(p->number_of_groups, p->grplist); + return cleanup(p); + } + + p->is_dropped = PRIV_MAGIC; + return 0; +} + +int pam_modutil_regain_priv(pam_handle_t *pamh, + struct pam_modutil_privs *p) +{ + switch (p->is_dropped) { + case PRIV_MAGIC_DONOTHING: + p->is_dropped = 0; + return 0; + + case PRIV_MAGIC: + break; + + default: + pam_syslog(pamh, LOG_CRIT, + "pam_modutil_regain_priv: called with invalid state"); + return -1; + } + + if (change_uid(p->old_uid, NULL)) { + pam_syslog(pamh, LOG_ERR, + "pam_modutil_regain_priv: change_uid failed: %m"); + return cleanup(p); + } + if (change_gid(p->old_gid, NULL)) { + pam_syslog(pamh, LOG_ERR, + "pam_modutil_regain_priv: change_gid failed: %m"); + return cleanup(p); + } + if (setgroups(p->number_of_groups, p->grplist)) { + pam_syslog(pamh, LOG_ERR, + "pam_modutil_regain_priv: setgroups failed: %m"); + return cleanup(p); + } + + p->is_dropped = 0; + cleanup(p); + return 0; +} diff --git a/libpam/pam_modutil_private.h b/libpam/pam_modutil_private.h new file mode 100644 index 0000000..98a30f6 --- /dev/null +++ b/libpam/pam_modutil_private.h @@ -0,0 +1,24 @@ +#ifndef PAMMODUTIL_PRIVATE_H +#define PAMMODUTIL_PRIVATE_H + +/* + * $Id$ + * + * Copyright (c) 2001 Andrew Morgan + */ + +#include "config.h" + +#include +#include +#include + +#define PWD_INITIAL_LENGTH 0x400 +#define PWD_ABSURD_PWD_LENGTH 0x40001 +#define PWD_LENGTH_SHIFT 4 /* 2^4 == 16 */ + +extern void +pam_modutil_cleanup(pam_handle_t *pamh, void *data, + int error_status); + +#endif /* PAMMODUTIL_PRIVATE_H */ diff --git a/libpam/pam_modutil_sanitize.c b/libpam/pam_modutil_sanitize.c new file mode 100644 index 0000000..f26e8ec --- /dev/null +++ b/libpam/pam_modutil_sanitize.c @@ -0,0 +1,147 @@ +/* + * This file implements the following functions: + * pam_modutil_sanitize_helper_fds: + * redirects standard descriptors, closes all other descriptors. + */ + +#include "pam_modutil_private.h" +#include +#include +#include +#include +#include + +/* + * Creates a pipe, closes its write end, redirects fd to its read end. + * Returns fd on success, -1 otherwise. + */ +static int +redirect_in_pipe(pam_handle_t *pamh, int fd, const char *name) +{ + int in[2]; + + if (pipe(in) < 0) { + pam_syslog(pamh, LOG_ERR, "Could not create pipe: %m"); + return -1; + } + + close(in[1]); + + if (in[0] == fd) + return fd; + + if (dup2(in[0], fd) != fd) { + pam_syslog(pamh, LOG_ERR, "dup2 of %s failed: %m", name); + fd = -1; + } + + close(in[0]); + return fd; +} + +/* + * Opens /dev/null for writing, redirects fd there. + * Returns fd on success, -1 otherwise. + */ +static int +redirect_out_null(pam_handle_t *pamh, int fd, const char *name) +{ + int null = open("/dev/null", O_WRONLY); + + if (null < 0) { + pam_syslog(pamh, LOG_ERR, "open of %s failed: %m", "/dev/null"); + return -1; + } + + if (null == fd) + return fd; + + if (dup2(null, fd) != fd) { + pam_syslog(pamh, LOG_ERR, "dup2 of %s failed: %m", name); + fd = -1; + } + + close(null); + return fd; +} + +static int +redirect_out(pam_handle_t *pamh, enum pam_modutil_redirect_fd mode, + int fd, const char *name) +{ + switch (mode) { + case PAM_MODUTIL_PIPE_FD: + if (redirect_in_pipe(pamh, fd, name) < 0) + return -1; + break; + case PAM_MODUTIL_NULL_FD: + if (redirect_out_null(pamh, fd, name) < 0) + return -1; + break; + case PAM_MODUTIL_IGNORE_FD: + break; + } + return fd; +} + +/* Closes all descriptors after stderr. */ +static void +close_fds(void) +{ + /* + * An arbitrary upper limit for the maximum file descriptor number + * returned by RLIMIT_NOFILE. + */ + const int MAX_FD_NO = 65535; + + /* The lower limit is the same as for _POSIX_OPEN_MAX. */ + const int MIN_FD_NO = 20; + + int fd; + struct rlimit rlim; + + if (getrlimit(RLIMIT_NOFILE, &rlim) || rlim.rlim_max > (rlim_t)MAX_FD_NO) + fd = MAX_FD_NO; + else if (rlim.rlim_max < (rlim_t)MIN_FD_NO) + fd = MIN_FD_NO; + else + fd = (int)rlim.rlim_max - 1; + + for (; fd > STDERR_FILENO; --fd) + close(fd); +} + +int +pam_modutil_sanitize_helper_fds(pam_handle_t *pamh, + enum pam_modutil_redirect_fd stdin_mode, + enum pam_modutil_redirect_fd stdout_mode, + enum pam_modutil_redirect_fd stderr_mode) +{ + if (stdin_mode != PAM_MODUTIL_IGNORE_FD && + redirect_in_pipe(pamh, STDIN_FILENO, "stdin") < 0) { + return -1; + } + + if (redirect_out(pamh, stdout_mode, STDOUT_FILENO, "stdout") < 0) + return -1; + + /* + * If stderr should not be ignored and + * redirect mode for stdout and stderr are the same, + * optimize by redirecting stderr to stdout. + */ + if (stderr_mode != PAM_MODUTIL_IGNORE_FD && + stdout_mode == stderr_mode) { + if (dup2(STDOUT_FILENO, STDERR_FILENO) != STDERR_FILENO) { + pam_syslog(pamh, LOG_ERR, + "dup2 of %s failed: %m", "stderr"); + return -1; + } + } else { + if (redirect_out(pamh, stderr_mode, STDERR_FILENO, "stderr") < 0) + return -1; + } + + close_fds(); + return 0; +} diff --git a/libpam/pam_modutil_searchkey.c b/libpam/pam_modutil_searchkey.c new file mode 100644 index 0000000..ba023e5 --- /dev/null +++ b/libpam/pam_modutil_searchkey.c @@ -0,0 +1,128 @@ +/* + * This file implements the following functions: + * pam_modutil_search_key: + * lookup a value for key in login.defs file or similar key value format + */ + +#include "config.h" + +#include "pam_private.h" +#include "pam_modutil_private.h" +#include +#include +#include +#include +#include +#ifdef USE_ECONF +#include +#endif + +#define BUF_SIZE 8192 + +#ifdef USE_ECONF +#define LOGIN_DEFS "/etc/login.defs" + +#ifndef VENDORDIR +#define VENDORDIR NULL +#endif + +static char * +econf_search_key (const char *name, const char *suffix, const char *key) +{ + econf_file *key_file = NULL; + char *val; + + if (econf_readDirs (&key_file, VENDORDIR, SYSCONFDIR, name, suffix, + " \t", "#")) + return NULL; + + if (econf_getStringValue (key_file, NULL, key, &val)) { + econf_free (key_file); + return NULL; + } + + econf_free (key_file); + + return val; +} + +#endif + +/* lookup a value for key in login.defs file or similar key value format */ +char * +pam_modutil_search_key(pam_handle_t *pamh UNUSED, + const char *file_name, + const char *key) +{ + FILE *fp; + char *buf = NULL; + size_t buflen = 0; + char *retval = NULL; + +#ifdef USE_ECONF + if (strcmp (file_name, LOGIN_DEFS) == 0) + return econf_search_key ("login", ".defs", key); +#endif + + fp = fopen(file_name, "r"); + if (NULL == fp) + return NULL; + + while (!feof(fp)) { + char *tmp, *cp; +#if defined(HAVE_GETLINE) + ssize_t n = getline(&buf, &buflen, fp); +#elif defined (HAVE_GETDELIM) + ssize_t n = getdelim(&buf, &buflen, '\n', fp); +#else + ssize_t n; + + if (buf == NULL) { + buflen = BUF_SIZE; + buf = malloc(buflen); + if (buf == NULL) { + fclose(fp); + return NULL; + } + } + buf[0] = '\0'; + if (fgets(buf, buflen - 1, fp) == NULL) + break; + else if (buf != NULL) + n = strlen(buf); + else + n = 0; +#endif /* HAVE_GETLINE / HAVE_GETDELIM */ + cp = buf; + + if (n < 1) + break; + if (cp[n - 1] == '\n') + cp[n - 1] = '\0'; + + tmp = strchr(cp, '#'); /* remove comments */ + if (tmp) + *tmp = '\0'; + while (isspace((int)*cp)) /* remove spaces and tabs */ + ++cp; + if (*cp == '\0') /* ignore empty lines */ + continue; + + tmp = strsep (&cp, " \t="); + if (cp != NULL) + while (isspace((int)*cp) || *cp == '=') + ++cp; + else + cp = buf + n; /* empty string */ + + if (strcasecmp(tmp, key) == 0) { + retval = strdup(cp); + break; + } + } + fclose(fp); + + free(buf); + + return retval; +} diff --git a/libpam/pam_password.c b/libpam/pam_password.c new file mode 100644 index 0000000..592e01f --- /dev/null +++ b/libpam/pam_password.c @@ -0,0 +1,61 @@ +/* pam_password.c - PAM Password Management */ + +/* + * $Id$ + */ + +#include "pam_private.h" + +#include +#include + +int pam_chauthtok(pam_handle_t *pamh, int flags) +{ + int retval; + + D(("called.")); + + IF_NO_PAMH("pam_chauthtok", pamh, PAM_SYSTEM_ERR); + + if (__PAM_FROM_MODULE(pamh)) { + D(("called from module!?")); + return PAM_SYSTEM_ERR; + } + + /* applications are not allowed to set this flags */ + if (flags & (PAM_PRELIM_CHECK | PAM_UPDATE_AUTHTOK)) { + pam_syslog (pamh, LOG_ERR, + "PAM_PRELIM_CHECK or PAM_UPDATE_AUTHTOK set by application"); + return PAM_SYSTEM_ERR; + } + + if (pamh->former.choice == PAM_NOT_STACKED) { + _pam_start_timer(pamh); /* we try to make the time for a failure + independent of the time it takes to + fail */ + _pam_sanitize(pamh); + pamh->former.update = PAM_FALSE; + } + + /* first call to check if there will be a problem */ + if (pamh->former.update || + (retval = _pam_dispatch(pamh, flags|PAM_PRELIM_CHECK, + PAM_CHAUTHTOK)) == PAM_SUCCESS) { + D(("completed check ok: former=%d", pamh->former.update)); + pamh->former.update = PAM_TRUE; + retval = _pam_dispatch(pamh, flags|PAM_UPDATE_AUTHTOK, + PAM_CHAUTHTOK); + } + + /* if we completed we should clean up */ + if (retval != PAM_INCOMPLETE) { + _pam_sanitize(pamh); + pamh->former.update = PAM_FALSE; + _pam_await_timer(pamh, retval); /* if unsuccessful then wait now */ + D(("pam_chauthtok exit %d - %d", retval, pamh->former.choice)); + } else { + D(("will resume when ready", retval)); + } + + return retval; +} diff --git a/libpam/pam_prelude.c b/libpam/pam_prelude.c new file mode 100644 index 0000000..6c73bf5 --- /dev/null +++ b/libpam/pam_prelude.c @@ -0,0 +1,454 @@ +/* + * pam_prelude.c -- prelude reporting + * http://www.prelude-ids.org + * + * (C) Sebastien Tricaud 2005 + */ + +#include +#include + +#ifdef PRELUDE + +#include +#include +#include + +#include "pam_prelude.h" +#include "pam_private.h" + + +#define ANALYZER_CLASS "pam" +#define ANALYZER_MODEL "PAM" +#define ANALYZER_MANUFACTURER "Sebastien Tricaud, http://www.kernel.org/pub/linux/libs/pam/" + +#define DEFAULT_ANALYZER_NAME "PAM" + +static const char * +pam_get_item_service(const pam_handle_t *pamh) +{ + const void *service = NULL; + + pam_get_item(pamh, PAM_SERVICE, &service); + + return service; +} + +static const char * +pam_get_item_user(const pam_handle_t *pamh) +{ + const void *user = NULL; + + pam_get_item(pamh, PAM_USER, &user); + + return user; +} + +static const char * +pam_get_item_user_prompt(const pam_handle_t *pamh) +{ + const void *user_prompt = NULL; + + pam_get_item(pamh, PAM_USER_PROMPT, &user_prompt); + + return user_prompt; +} + +static const char * +pam_get_item_tty(const pam_handle_t *pamh) +{ + const void *tty = NULL; + + pam_get_item(pamh, PAM_TTY, &tty); + + return tty; +} + +static const char * +pam_get_item_ruser(const pam_handle_t *pamh) +{ + const void *ruser = NULL; + + pam_get_item(pamh, PAM_RUSER, &ruser); + + return ruser; +} + +static const char * +pam_get_item_rhost(const pam_handle_t *pamh) +{ + const void *rhost = NULL; + + pam_get_item(pamh, PAM_RHOST, &rhost); + + return rhost; +} + +/* Courteously stolen from prelude-lml */ +static int +generate_additional_data(idmef_alert_t *alert, const char *meaning, + const char *data) +{ + int ret; + prelude_string_t *str; + idmef_additional_data_t *adata; + + ret = idmef_alert_new_additional_data(alert, &adata, -1); + if ( ret < 0 ) + return ret; + + ret = idmef_additional_data_new_meaning(adata, &str); + if ( ret < 0 ) + return ret; + + ret = prelude_string_set_ref(str, meaning); + if ( ret < 0 ) + return ret; + + return idmef_additional_data_set_string_ref(adata, data); +} + +static int +setup_analyzer(const pam_handle_t *pamh, idmef_analyzer_t *analyzer) +{ + int ret; + prelude_string_t *string; + + ret = idmef_analyzer_new_model(analyzer, &string); + if ( ret < 0 ) + goto err; + prelude_string_set_constant(string, ANALYZER_MODEL); + + ret = idmef_analyzer_new_class(analyzer, &string); + if ( ret < 0 ) + goto err; + prelude_string_set_constant(string, ANALYZER_CLASS); + + ret = idmef_analyzer_new_manufacturer(analyzer, &string); + if ( ret < 0 ) + goto err; + prelude_string_set_constant(string, ANALYZER_MANUFACTURER); + + ret = idmef_analyzer_new_version(analyzer, &string); + if ( ret < 0 ) + goto err; + prelude_string_set_constant(string, PAM_VERSION); + + + return 0; + + err: + pam_syslog(pamh, LOG_WARNING, + "%s: IDMEF error: %s.\n", + prelude_strsource(ret), prelude_strerror(ret)); + + return -1; +} + +static void +pam_alert_prelude(const char *msg, void *data, + pam_handle_t *pamh, int authval) +{ + int ret; + idmef_time_t *clienttime; + idmef_alert_t *alert; + prelude_string_t *str; + idmef_message_t *idmef = NULL; + idmef_classification_t *class; + prelude_client_t *client = (prelude_client_t *)data; + idmef_source_t *source; + idmef_target_t *target; + idmef_user_t *user; + idmef_user_id_t *user_id; + idmef_process_t *process; + idmef_classification_t *classification; + idmef_impact_t *impact; + idmef_assessment_t *assessment; + idmef_node_t *node; + idmef_analyzer_t *analyzer; + + + ret = idmef_message_new(&idmef); + if ( ret < 0 ) + goto err; + + ret = idmef_message_new_alert(idmef, &alert); + if ( ret < 0 ) + goto err; + + ret = idmef_alert_new_classification(alert, &class); + if ( ret < 0 ) + goto err; + + ret = idmef_classification_new_text(class, &str); + if ( ret < 0 ) + goto err; + + ret = prelude_string_new_ref(&str, msg); + if ( ret < 0 ) + goto err; + + idmef_classification_set_text(class, str); + + ret = idmef_time_new_from_gettimeofday(&clienttime); + if ( ret < 0 ) + goto err; + idmef_alert_set_create_time(alert, clienttime); + + idmef_alert_set_analyzer(alert, + idmef_analyzer_ref(prelude_client_get_analyzer(client)), + 0); + + /********** + * SOURCE * + **********/ + ret = idmef_alert_new_source(alert, &source, -1); + if ( ret < 0 ) + goto err; + + /* BEGIN: Sets the user doing authentication stuff */ + ret = idmef_source_new_user(source, &user); + if ( ret < 0 ) + goto err; + idmef_user_set_category(user, IDMEF_USER_CATEGORY_APPLICATION); + + ret = idmef_user_new_user_id(user, &user_id, 0); + if ( ret < 0 ) + goto err; + idmef_user_id_set_type(user_id, IDMEF_USER_ID_TYPE_ORIGINAL_USER); + + if ( pam_get_item_ruser(pamh) ) { + ret = prelude_string_new(&str); + if ( ret < 0 ) + goto err; + + ret = prelude_string_set_ref(str, pam_get_item_ruser(pamh)); + if ( ret < 0 ) + goto err; + + idmef_user_id_set_name(user_id, str); + } + /* END */ + /* BEGIN: Adds TTY infos */ + if ( pam_get_item_tty(pamh) ) { + ret = prelude_string_new(&str); + if ( ret < 0 ) + goto err; + + ret = prelude_string_set_ref(str, pam_get_item_tty(pamh)); + if ( ret < 0 ) + goto err; + + idmef_user_id_set_tty(user_id, str); + } + /* END */ + /* BEGIN: Sets the source node (rhost) */ + ret = idmef_source_new_node(source, &node); + if ( ret < 0 ) + goto err; + idmef_node_set_category(node, IDMEF_NODE_CATEGORY_HOSTS); + + if ( pam_get_item_rhost(pamh) ) { + ret = prelude_string_new(&str); + if ( ret < 0 ) + goto err; + + ret = prelude_string_set_ref(str, pam_get_item_rhost(pamh)); + if ( ret < 0 ) + goto err; + + idmef_node_set_name(node, str); + } + /* END */ + /* BEGIN: Describe the service */ + ret = idmef_source_new_process(source, &process); + if ( ret < 0 ) + goto err; + idmef_process_set_pid(process, getpid()); + + if ( pam_get_item_service(pamh) ) { + ret = prelude_string_new(&str); + if ( ret < 0 ) + goto err; + + ret = prelude_string_set_ref(str, pam_get_item_service(pamh)); + if ( ret < 0 ) + goto err; + + idmef_process_set_name(process, str); + } + /* END */ + + /********** + * TARGET * + **********/ + + ret = idmef_alert_new_target(alert, &target, -1); + if ( ret < 0 ) + goto err; + + + /* BEGIN: Sets the target node */ + analyzer = prelude_client_get_analyzer(client); + if ( ! analyzer ) goto err; + + node = idmef_analyzer_get_node(analyzer); + if ( ! node ) goto err; + idmef_target_set_node(target, node); + node = idmef_node_ref(node); + if ( ! node ) goto err; + /* END */ + /* BEGIN: Sets the user doing authentication stuff */ + ret = idmef_target_new_user(target, &user); + if ( ret < 0 ) + goto err; + idmef_user_set_category(user, IDMEF_USER_CATEGORY_APPLICATION); + + ret = idmef_user_new_user_id(user, &user_id, 0); + if ( ret < 0 ) + goto err; + idmef_user_id_set_type(user_id, IDMEF_USER_ID_TYPE_TARGET_USER); + + if ( pam_get_item_user(pamh) ) { + ret = prelude_string_new(&str); + if ( ret < 0 ) + goto err; + + ret = prelude_string_set_ref(str, pam_get_item_user(pamh)); + if ( ret < 0 ) + goto err; + + idmef_user_id_set_name(user_id, str); + } + /* END */ + /* BEGIN: Short description of the alert */ + ret = idmef_alert_new_classification(alert, &classification); + if ( ret < 0 ) + goto err; + + ret = prelude_string_new(&str); + if ( ret < 0 ) + goto err; + + ret = prelude_string_set_ref(str, + authval == PAM_SUCCESS ? + "Authentication Success" : "Authentication Failure"); + if ( ret < 0 ) + goto err; + + idmef_classification_set_text(classification, str); + /* END */ + /* BEGIN: Long description of the alert */ + ret = idmef_alert_new_assessment(alert, &assessment); + if ( ret < 0 ) + goto err; + + ret = idmef_assessment_new_impact(assessment, &impact); + if ( ret < 0 ) + goto err; + + ret = prelude_string_new(&str); + if ( ret < 0 ) + goto err; + + ret = prelude_string_set_ref(str, pam_strerror (pamh, authval)); + if ( ret < 0 ) + goto err; + + idmef_impact_set_description(impact, str); + /* END */ + /* BEGIN: Adding additional data */ + if ( pam_get_item_user_prompt(pamh) ) { + ret = generate_additional_data(alert, "Local User Prompt", + pam_get_item_user_prompt(pamh)); + if ( ret < 0 ) + goto err; + } + /* END */ + + prelude_client_send_idmef(client, idmef); + + if ( idmef ) + idmef_message_destroy(idmef); + + return; + err: + pam_syslog(pamh, LOG_WARNING, "%s: IDMEF error: %s.\n", + prelude_strsource(ret), prelude_strerror(ret)); + + if ( idmef ) + idmef_message_destroy(idmef); + +} + +static int +pam_alert_prelude_init(pam_handle_t *pamh, int authval) +{ + + int ret; + prelude_client_t *client = NULL; + + ret = prelude_init(NULL, NULL); + if ( ret < 0 ) { + pam_syslog(pamh, LOG_WARNING, + "%s: Unable to initialize the Prelude library: %s.\n", + prelude_strsource(ret), prelude_strerror(ret)); + return -1; + } + + ret = prelude_client_new(&client, DEFAULT_ANALYZER_NAME); + if ( ! client ) { + pam_syslog(pamh, LOG_WARNING, + "%s: Unable to create a prelude client object: %s.\n", + prelude_strsource(ret), prelude_strerror(ret)); + + return -1; + } + + + ret = setup_analyzer(pamh, prelude_client_get_analyzer(client)); + if ( ret < 0 ) { + pam_syslog(pamh, LOG_WARNING, + "%s: Unable to setup analyzer: %s\n", + prelude_strsource(ret), prelude_strerror(ret)); + + prelude_client_destroy(client, PRELUDE_CLIENT_EXIT_STATUS_FAILURE); + + return -1; + } + + ret = prelude_client_start(client); + if ( ret < 0 ) { + pam_syslog(pamh, LOG_WARNING, + "%s: Unable to initialize prelude client: %s.\n", + prelude_strsource(ret), prelude_strerror(ret)); + + prelude_client_destroy(client, PRELUDE_CLIENT_EXIT_STATUS_FAILURE); + + return -1; + } + + pam_alert_prelude("libpam alert" , client, pamh, authval); + + prelude_client_destroy(client, PRELUDE_CLIENT_EXIT_STATUS_SUCCESS); + + return 0; +} + +void +prelude_send_alert(pam_handle_t *pamh, int authval) +{ + + int ret; + + prelude_log_set_flags(PRELUDE_LOG_FLAGS_SYSLOG); + + ret = pam_alert_prelude_init(pamh, authval); + if ( ret < 0 ) + pam_syslog(pamh, LOG_WARNING, "No prelude alert sent"); + + prelude_deinit(); + +} + +#endif /* PRELUDE */ diff --git a/libpam/pam_prelude.h b/libpam/pam_prelude.h new file mode 100644 index 0000000..196b141 --- /dev/null +++ b/libpam/pam_prelude.h @@ -0,0 +1,15 @@ +/* + * pam_prelude.h -- prelude ids reporting + * http://www.prelude-ids.org + * + * (C) Sebastien Tricaud 2005 + */ + +#ifndef _SECURITY_PAM_PRELUDE_H +#define _SECURITY_PAM_PRELUDE_H + +#include + +void prelude_send_alert(pam_handle_t *pamh, int authval); + +#endif /* _SECURITY_PAM_PRELUDE_H */ diff --git a/libpam/pam_private.h b/libpam/pam_private.h new file mode 100644 index 0000000..508527c --- /dev/null +++ b/libpam/pam_private.h @@ -0,0 +1,358 @@ +/* + * pam_private.h + * + * This is the Linux-PAM Library Private Header. It contains things + * internal to the Linux-PAM library. Things not needed by either an + * application or module. + * + * Please see end of file for copyright. + * + * Creator: Marc Ewing. + * Maintained: CVS + */ + +#ifndef _PAM_PRIVATE_H +#define _PAM_PRIVATE_H + +#include "config.h" + +#include + +#include +#include +#include + +/* the Linux-PAM configuration file */ + +#define PAM_CONFIG "/etc/pam.conf" +#define PAM_CONFIG_D "/etc/pam.d" +#define PAM_CONFIG_DF "/etc/pam.d/%s" +#define PAM_CONFIG_DIST_D "/usr/lib/pam.d" +#define PAM_CONFIG_DIST_DF "/usr/lib/pam.d/%s" +#ifdef VENDORDIR +#define PAM_CONFIG_DIST2_D VENDORDIR"/pam.d" +#define PAM_CONFIG_DIST2_DF VENDORDIR"/pam.d/%s" +#endif + + +#define PAM_DEFAULT_SERVICE "other" /* lower case */ + +#ifdef PAM_LOCKING +/* + * the Linux-PAM lock file. If it exists Linux-PAM will abort. Use it + * to block access to libpam + */ +#define PAM_LOCK_FILE "/var/lock/subsys/PAM" +#endif + +/* components of the pam_handle structure */ + +#define _PAM_INVALID_RETVAL -1 /* default value for cached_retval */ + +struct handler { + int handler_type; + int (*func)(pam_handle_t *pamh, int flags, int argc, char **argv); + int actions[_PAM_RETURN_VALUES]; + /* set by authenticate, open_session, chauthtok(1st) + consumed by setcred, close_session, chauthtok(2nd) */ + int cached_retval; int *cached_retval_p; + int argc; + char **argv; + struct handler *next; + char *mod_name; + int stack_level; + int grantor; +}; + +#define PAM_HT_MODULE 0 +#define PAM_HT_MUST_FAIL 1 +#define PAM_HT_SUBSTACK 2 +#define PAM_HT_SILENT_MODULE 3 + +struct loaded_module { + char *name; + int type; /* PAM_STATIC_MOD or PAM_DYNAMIC_MOD */ + void *dl_handle; +}; + +#define PAM_MT_DYNAMIC_MOD 0 +#define PAM_MT_STATIC_MOD 1 +#define PAM_MT_FAULTY_MOD 2 + +struct handlers { + struct handler *authenticate; + struct handler *setcred; + struct handler *acct_mgmt; + struct handler *open_session; + struct handler *close_session; + struct handler *chauthtok; +}; + +struct service { + struct loaded_module *module; /* Array of modules */ + int modules_allocated; + int modules_used; + int handlers_loaded; + + struct handlers conf; /* the configured handlers */ + struct handlers other; /* the default handlers */ +}; + +/* + * Environment helper functions + */ + +#define PAM_ENV_CHUNK 10 /* chunks of memory calloc()'d * + * at once */ + +struct pam_environ { + int entries; /* the number of pointers available */ + int requested; /* the number of pointers used: * + * 1 <= requested <= entries */ + char **list; /* the environment storage (a list * + * of pointers to malloc() memory) */ +}; + +#include + +typedef enum { PAM_FALSE, PAM_TRUE } _pam_boolean; + +struct _pam_fail_delay { + _pam_boolean set; + unsigned int delay; + time_t begin; + const void *delay_fn_ptr; +}; + +/* initial state in substack */ +struct _pam_substack_state { + int impression; + int status; +}; + +struct _pam_former_state { +/* this is known and set by _pam_dispatch() */ + int choice; /* which flavor of module function did we call? */ + +/* state info for the _pam_dispatch_aux() function */ + int depth; /* how deep in the stack were we? */ + int impression; /* the impression at that time */ + int status; /* the status before returning incomplete */ + struct _pam_substack_state *substates; /* array of initial substack states */ + +/* state info used by pam_get_user() function */ + int fail_user; + int want_user; + char *prompt; /* saved prompt information */ + +/* state info for the pam_chauthtok() function */ + _pam_boolean update; +}; + +struct pam_handle { + char *authtok; + unsigned caller_is; + struct pam_conv *pam_conversation; + char *oldauthtok; + char *prompt; /* for use by pam_get_user() */ + char *service_name; + char *user; + char *rhost; + char *ruser; + char *tty; + char *xdisplay; + char *authtok_type; /* PAM_AUTHTOK_TYPE */ + struct pam_data *data; + struct pam_environ *env; /* structure to maintain environment list */ + struct _pam_fail_delay fail_delay; /* helper function for easy delays */ + struct pam_xauth_data xauth; /* auth info for X display */ + struct service handlers; + struct _pam_former_state former; /* library state - support for + event driven applications */ + const char *mod_name; /* Name of the module currently executed */ + int mod_argc; /* Number of module arguments */ + char **mod_argv; /* module arguments */ + int choice; /* Which function we call from the module */ + +#ifdef HAVE_LIBAUDIT + int audit_state; /* keep track of reported audit messages */ +#endif + int authtok_verified; + char *confdir; +}; + +/* Values for select arg to _pam_dispatch() */ +#define PAM_NOT_STACKED 0 +#define PAM_AUTHENTICATE 1 +#define PAM_SETCRED 2 +#define PAM_ACCOUNT 3 +#define PAM_OPEN_SESSION 4 +#define PAM_CLOSE_SESSION 5 +#define PAM_CHAUTHTOK 6 + +#define _PAM_ACTION_IS_JUMP(x) ((x) > 0) +#define _PAM_ACTION_IGNORE 0 +#define _PAM_ACTION_OK -1 +#define _PAM_ACTION_DONE -2 +#define _PAM_ACTION_BAD -3 +#define _PAM_ACTION_DIE -4 +#define _PAM_ACTION_RESET -5 +/* Add any new entries here. Will need to change ..._UNDEF and then + * need to change pam_tokens.h */ +#define _PAM_ACTION_UNDEF -6 /* this is treated as an error + ( = _PAM_ACTION_BAD) */ + +#define PAM_SUBSTACK_MAX_LEVEL 16 /* maximum level of substacks */ + +/* character tables for parsing config files */ +extern const char * const _pam_token_actions[-_PAM_ACTION_UNDEF]; +extern const char * const _pam_token_returns[_PAM_RETURN_VALUES+1]; + +/* + * internally defined functions --- these should not be directly + * called by applications or modules + */ +int _pam_dispatch(pam_handle_t *pamh, int flags, int choice); + +/* Free various allocated structures and dlclose() the libs */ +int _pam_free_handlers(pam_handle_t *pamh); + +/* Parse config file, allocate handler structures, dlopen() */ +int _pam_init_handlers(pam_handle_t *pamh); + +/* Set all handler stuff to 0/NULL - called once from pam_start() */ +void _pam_start_handlers(pam_handle_t *pamh); + +/* environment helper functions */ + +/* create the environment structure */ +int _pam_make_env(pam_handle_t *pamh); + +/* delete the environment structure */ +void _pam_drop_env(pam_handle_t *pamh); + +/* these functions deal with failure delays as required by the + authentication modules and application. Their *interface* is likely + to remain the same although their function is hopefully going to + improve */ + +/* reset the timer to no-delay */ +void _pam_reset_timer(pam_handle_t *pamh); + +/* this sets the clock ticking */ +void _pam_start_timer(pam_handle_t *pamh); + +/* this waits for the clock to stop ticking if status != PAM_SUCCESS */ +void _pam_await_timer(pam_handle_t *pamh, int status); + +typedef void (*voidfunc(void))(void); +typedef int (*servicefn)(pam_handle_t *, int, int, char **); + +void *_pam_dlopen (const char *mod_path); +servicefn _pam_dlsym (void *handle, const char *symbol); +void _pam_dlclose (void *handle); +const char *_pam_dlerror (void); + +/* For now we just use a stack and linear search for module data. */ +/* If it becomes apparent that there is a lot of data, it should */ +/* changed to either a sorted list or a hash table. */ + +struct pam_data { + char *name; + void *data; + void (*cleanup)(pam_handle_t *pamh, void *data, int error_status); + struct pam_data *next; +}; + +void _pam_free_data(pam_handle_t *pamh, int status); + +char *_pam_StrTok(char *from, const char *format, char **next); + +char *_pam_strdup(const char *s); + +char *_pam_memdup(const char *s, int len); + +int _pam_mkargv(const char *s, char ***argv, int *argc); + +void _pam_sanitize(pam_handle_t *pamh); + +void _pam_set_default_control(int *control_array, int default_action); + +void _pam_parse_control(int *control_array, char *tok); + +#define _PAM_SYSTEM_LOG_PREFIX "PAM" + +/* + * XXX - Take care with this. It could confuse the logic of a trailing + * else + */ + +#define IF_NO_PAMH(X,pamh,ERR) \ +if ((pamh) == NULL) { \ + syslog(LOG_ERR, _PAM_SYSTEM_LOG_PREFIX " " X ": NULL pam handle passed"); \ + return ERR; \ +} + +/* + * include some helpful macros + */ + +#include + +/* used to work out where control currently resides (in an application + or in a module) */ + +#define _PAM_CALLED_FROM_MODULE 1 +#define _PAM_CALLED_FROM_APP 2 + +#define __PAM_FROM_MODULE(pamh) ((pamh)->caller_is == _PAM_CALLED_FROM_MODULE) +#define __PAM_FROM_APP(pamh) ((pamh)->caller_is == _PAM_CALLED_FROM_APP) +#define __PAM_TO_MODULE(pamh) \ + do { (pamh)->caller_is = _PAM_CALLED_FROM_MODULE; } while (0) +#define __PAM_TO_APP(pamh) \ + do { (pamh)->caller_is = _PAM_CALLED_FROM_APP; } while (0) + +#ifdef HAVE_LIBAUDIT +extern int _pam_auditlog(pam_handle_t *pamh, int action, int retval, int flags, struct handler *h); +extern int _pam_audit_end(pam_handle_t *pamh, int pam_status); +#endif + +/* + * Copyright (C) 1995 by Red Hat Software, Marc Ewing + * Copyright (c) 1996-8,2001 by Andrew G. Morgan + * + * All rights reserved + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#endif /* _PAM_PRIVATE_H_ */ diff --git a/libpam/pam_session.c b/libpam/pam_session.c new file mode 100644 index 0000000..cb393c1 --- /dev/null +++ b/libpam/pam_session.c @@ -0,0 +1,45 @@ +/* pam_session.c - PAM Session Management */ + +/* + * $Id$ + */ + +#include "pam_private.h" + +#include + +int pam_open_session(pam_handle_t *pamh, int flags) +{ + int retval; + + D(("called")); + + IF_NO_PAMH("pam_open_session", pamh, PAM_SYSTEM_ERR); + + if (__PAM_FROM_MODULE(pamh)) { + D(("called from module!?")); + return PAM_SYSTEM_ERR; + } + retval = _pam_dispatch(pamh, flags, PAM_OPEN_SESSION); + + return retval; +} + +int pam_close_session(pam_handle_t *pamh, int flags) +{ + int retval; + + D(("called")); + + IF_NO_PAMH("pam_close_session", pamh, PAM_SYSTEM_ERR); + + if (__PAM_FROM_MODULE(pamh)) { + D(("called from module!?")); + return PAM_SYSTEM_ERR; + } + + retval = _pam_dispatch(pamh, flags, PAM_CLOSE_SESSION); + + return retval; + +} diff --git a/libpam/pam_start.c b/libpam/pam_start.c new file mode 100644 index 0000000..99dd038 --- /dev/null +++ b/libpam/pam_start.c @@ -0,0 +1,179 @@ +/* pam_start.c */ + +/* Creator Marc Ewing + * Maintained by AGM + * + * $Id$ + * + */ + +#include "pam_private.h" + +#include +#include +#include +#include +#include + +static int _pam_start_internal ( + const char *service_name, + const char *user, + const struct pam_conv *pam_conversation, + const char *confdir, + pam_handle_t **pamh) +{ + D(("called pam_start: [%s] [%s] [%p] [%p]" + ,service_name, user, pam_conversation, pamh)); + + if (pamh == NULL) { + pam_syslog(NULL, LOG_CRIT, + "pam_start: invalid argument: pamh == NULL"); + return (PAM_SYSTEM_ERR); + } + + if (service_name == NULL) { + pam_syslog(NULL, LOG_CRIT, + "pam_start: invalid argument: service == NULL"); + return (PAM_SYSTEM_ERR); + } + + if (pam_conversation == NULL) { + pam_syslog(NULL, LOG_CRIT, + "pam_start: invalid argument: conv == NULL"); + return (PAM_SYSTEM_ERR); + } + + if ((*pamh = calloc(1, sizeof(**pamh))) == NULL) { + pam_syslog(NULL, LOG_CRIT, "pam_start: calloc failed for *pamh"); + return (PAM_BUF_ERR); + } + + /* All service names should be files below /etc/pam.d and nothing + else. Forbid paths. */ + if (strrchr(service_name, '/') != NULL) + service_name = strrchr(service_name, '/') + 1; + + /* Mark the caller as the application - permission to do certain + things is limited to a module or an application */ + + __PAM_TO_APP(*pamh); + + if (((*pamh)->service_name = _pam_strdup(service_name)) == NULL) { + pam_syslog(*pamh, LOG_CRIT, + "pam_start: _pam_strdup failed for service name"); + _pam_drop(*pamh); + return (PAM_BUF_ERR); + } else { + char *tmp; + + for (tmp=(*pamh)->service_name; *tmp; ++tmp) + *tmp = tolower(*tmp); /* require lower case */ + } + + if (user) { + if (((*pamh)->user = _pam_strdup(user)) == NULL) { + pam_syslog(*pamh, LOG_CRIT, + "pam_start: _pam_strdup failed for user"); + _pam_drop((*pamh)->service_name); + _pam_drop(*pamh); + return (PAM_BUF_ERR); + } + } else + (*pamh)->user = NULL; + + if (confdir) { + if (((*pamh)->confdir = _pam_strdup(confdir)) == NULL) { + pam_syslog(*pamh, LOG_CRIT, + "pam_start: _pam_strdup failed for confdir"); + _pam_drop((*pamh)->service_name); + _pam_drop((*pamh)->user); + _pam_drop(*pamh); + return (PAM_BUF_ERR); + } + } else + (*pamh)->confdir = NULL; + + (*pamh)->tty = NULL; + (*pamh)->prompt = NULL; /* prompt for pam_get_user() */ + (*pamh)->ruser = NULL; + (*pamh)->rhost = NULL; + (*pamh)->authtok = NULL; + (*pamh)->oldauthtok = NULL; + (*pamh)->fail_delay.delay_fn_ptr = NULL; + (*pamh)->former.choice = PAM_NOT_STACKED; + (*pamh)->former.substates = NULL; +#ifdef HAVE_LIBAUDIT + (*pamh)->audit_state = 0; +#endif + (*pamh)->xdisplay = NULL; + (*pamh)->authtok_type = NULL; + (*pamh)->authtok_verified = 0; + memset (&((*pamh)->xauth), 0, sizeof ((*pamh)->xauth)); + + if (((*pamh)->pam_conversation = (struct pam_conv *) + malloc(sizeof(struct pam_conv))) == NULL) { + pam_syslog(*pamh, LOG_CRIT, "pam_start: malloc failed for pam_conv"); + _pam_drop((*pamh)->service_name); + _pam_drop((*pamh)->user); + _pam_drop((*pamh)->confdir); + _pam_drop(*pamh); + return (PAM_BUF_ERR); + } else { + memcpy((*pamh)->pam_conversation, pam_conversation, + sizeof(struct pam_conv)); + } + + (*pamh)->data = NULL; + if ( _pam_make_env(*pamh) != PAM_SUCCESS ) { + pam_syslog(*pamh,LOG_ERR,"pam_start: failed to initialize environment"); + _pam_drop((*pamh)->pam_conversation); + _pam_drop((*pamh)->service_name); + _pam_drop((*pamh)->user); + _pam_drop((*pamh)->confdir); + _pam_drop(*pamh); + return PAM_ABORT; + } + + _pam_reset_timer(*pamh); /* initialize timer support */ + + _pam_start_handlers(*pamh); /* cannot fail */ + + /* According to the SunOS man pages, loading modules and resolving + * symbols happens on the first call from the application. */ + + if ( _pam_init_handlers(*pamh) != PAM_SUCCESS ) { + pam_syslog(*pamh, LOG_ERR, "pam_start: failed to initialize handlers"); + _pam_drop_env(*pamh); /* purge the environment */ + _pam_drop((*pamh)->pam_conversation); + _pam_drop((*pamh)->service_name); + _pam_drop((*pamh)->user); + _pam_drop((*pamh)->confdir); + _pam_drop(*pamh); + return PAM_ABORT; + } + + D(("exiting pam_start successfully")); + + return PAM_SUCCESS; +} + +int pam_start_confdir ( + const char *service_name, + const char *user, + const struct pam_conv *pam_conversation, + const char *confdir, + pam_handle_t **pamh) +{ + return _pam_start_internal(service_name, user, pam_conversation, + confdir, pamh); +} + +int pam_start ( + const char *service_name, + const char *user, + const struct pam_conv *pam_conversation, + pam_handle_t **pamh) +{ + return _pam_start_internal(service_name, user, pam_conversation, + NULL, pamh); +} diff --git a/libpam/pam_strerror.c b/libpam/pam_strerror.c new file mode 100644 index 0000000..17c8194 --- /dev/null +++ b/libpam/pam_strerror.c @@ -0,0 +1,106 @@ +/* + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "pam_private.h" + +const char *pam_strerror(pam_handle_t *pamh UNUSED, int errnum) +{ + switch (errnum) { + case PAM_SUCCESS: + return _("Success"); + case PAM_ABORT: + return _("Critical error - immediate abort"); + case PAM_OPEN_ERR: + return _("Failed to load module"); + case PAM_SYMBOL_ERR: + return _("Symbol not found"); + case PAM_SERVICE_ERR: + return _("Error in service module"); + case PAM_SYSTEM_ERR: + return _("System error"); + case PAM_BUF_ERR: + return _("Memory buffer error"); + case PAM_PERM_DENIED: + return _("Permission denied"); + case PAM_AUTH_ERR: + return _("Authentication failure"); + case PAM_CRED_INSUFFICIENT: + return _("Insufficient credentials to access authentication data"); + case PAM_AUTHINFO_UNAVAIL: + return _("Authentication service cannot retrieve authentication info"); + case PAM_USER_UNKNOWN: + return _("User not known to the underlying authentication module"); + case PAM_MAXTRIES: + return _("Have exhausted maximum number of retries for service"); + case PAM_NEW_AUTHTOK_REQD: + return _("Authentication token is no longer valid; new one required"); + case PAM_ACCT_EXPIRED: + return _("User account has expired"); + case PAM_SESSION_ERR: + return _("Cannot make/remove an entry for the specified session"); + case PAM_CRED_UNAVAIL: + return _("Authentication service cannot retrieve user credentials"); + case PAM_CRED_EXPIRED: + return _("User credentials expired"); + case PAM_CRED_ERR: + return _("Failure setting user credentials"); + case PAM_NO_MODULE_DATA: + return _("No module specific data is present"); + case PAM_BAD_ITEM: + return _("Bad item passed to pam_*_item()"); + case PAM_CONV_ERR: + return _("Conversation error"); + case PAM_AUTHTOK_ERR: + return _("Authentication token manipulation error"); + case PAM_AUTHTOK_RECOVERY_ERR: + return _("Authentication information cannot be recovered"); + case PAM_AUTHTOK_LOCK_BUSY: + return _("Authentication token lock busy"); + case PAM_AUTHTOK_DISABLE_AGING: + return _("Authentication token aging disabled"); + case PAM_TRY_AGAIN: + return _("Failed preliminary check by password service"); + case PAM_IGNORE: + return _("The return value should be ignored by PAM dispatch"); + case PAM_MODULE_UNKNOWN: + return _("Module is unknown"); + case PAM_AUTHTOK_EXPIRED: + return _("Authentication token expired"); + case PAM_CONV_AGAIN: + return _("Conversation is waiting for event"); + case PAM_INCOMPLETE: + return _("Application needs to call libpam again"); + } + + return _("Unknown PAM error"); +} diff --git a/libpam/pam_syslog.c b/libpam/pam_syslog.c new file mode 100644 index 0000000..c5a6fec --- /dev/null +++ b/libpam/pam_syslog.c @@ -0,0 +1,115 @@ +/* + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" + +#include +#include +#include +#include +#include + +#include +#include +#include + +#include "pam_private.h" + +#ifndef LOG_AUTHPRIV +#define LOG_AUTHPRIV LOG_AUTH +#endif + +static const char * +_pam_choice2str (int choice) +{ + switch (choice) + { + case PAM_AUTHENTICATE: + return "auth"; + case PAM_SETCRED: + return "setcred"; + case PAM_ACCOUNT: + return "account"; + case PAM_OPEN_SESSION: + case PAM_CLOSE_SESSION: + return "session"; + case PAM_CHAUTHTOK: + return "chauthtok"; + } + return ""; +} + +void +pam_vsyslog (const pam_handle_t *pamh, int priority, + const char *fmt, va_list args) +{ + char *msgbuf1 = NULL, *msgbuf2 = NULL; + int save_errno = errno; + + if (pamh && pamh->mod_name) + { + if (asprintf (&msgbuf1, "%s(%s:%s):", pamh->mod_name, + pamh->service_name?pamh->service_name:"", + _pam_choice2str (pamh->choice)) < 0) + { + syslog (LOG_AUTHPRIV|LOG_ERR, "asprintf: %m"); + return; + } + } + + errno = save_errno; + if (vasprintf (&msgbuf2, fmt, args) < 0) + { + syslog (LOG_AUTHPRIV|LOG_ERR, "vasprintf: %m"); + _pam_drop (msgbuf1); + return; + } + + errno = save_errno; + syslog (LOG_AUTHPRIV|priority, "%s %s", + (msgbuf1 ? msgbuf1 : _PAM_SYSTEM_LOG_PREFIX), msgbuf2); + + _pam_drop (msgbuf1); + _pam_drop (msgbuf2); +} + +void +pam_syslog (const pam_handle_t *pamh, int priority, + const char *fmt, ...) +{ + va_list args; + + va_start (args, fmt); + pam_vsyslog (pamh, priority, fmt, args); + va_end (args); +} diff --git a/libpam/pam_tokens.h b/libpam/pam_tokens.h new file mode 100644 index 0000000..1412fa3 --- /dev/null +++ b/libpam/pam_tokens.h @@ -0,0 +1,112 @@ +/* + * pam_tokens.h + * + * $Id$ + * + * This is a Linux-PAM Library Private Header file. It contains tokens + * that are used when we parse the configuration file(s). + * + * Please see end of file for copyright. + * + * Creator: Andrew Morgan. + * + */ + +#ifndef _PAM_TOKENS_H +#define _PAM_TOKENS_H + +/* an array of actions */ + +#ifndef LIBPAM_COMPILE +static +#endif +const char * const _pam_token_actions[-_PAM_ACTION_UNDEF] = { + "ignore", /* 0 */ + "ok", /* -1 */ + "done", /* -2 */ + "bad", /* -3 */ + "die", /* -4 */ + "reset", /* -5 */ +}; + +/* an array of possible return values */ + +#ifndef LIBPAM_COMPILE +static +#endif +const char * const _pam_token_returns[_PAM_RETURN_VALUES+1] = { + "success", /* 0 */ + "open_err", /* 1 */ + "symbol_err", /* 2 */ + "service_err", /* 3 */ + "system_err", /* 4 */ + "buf_err", /* 5 */ + "perm_denied", /* 6 */ + "auth_err", /* 7 */ + "cred_insufficient", /* 8 */ + "authinfo_unavail", /* 9 */ + "user_unknown", /* 10 */ + "maxtries", /* 11 */ + "new_authtok_reqd", /* 12 */ + "acct_expired", /* 13 */ + "session_err", /* 14 */ + "cred_unavail", /* 15 */ + "cred_expired", /* 16 */ + "cred_err", /* 17 */ + "no_module_data", /* 18 */ + "conv_err", /* 19 */ + "authtok_err", /* 20 */ + "authtok_recover_err", /* 21 */ + "authtok_lock_busy", /* 22 */ + "authtok_disable_aging", /* 23 */ + "try_again", /* 24 */ + "ignore", /* 25 */ + "abort", /* 26 */ + "authtok_expired", /* 27 */ + "module_unknown", /* 28 */ + "bad_item", /* 29 */ + "conv_again", /* 30 */ + "incomplete", /* 31 */ +/* add new return codes here */ + "default" /* this is _PAM_RETURN_VALUES and indicates + the default return action */ +}; + +/* + * Copyright (C) 1998,2001 Andrew G. Morgan + * + * All rights reserved + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#endif /* _PAM_PRIVATE_H_ */ diff --git a/libpam/pam_vprompt.c b/libpam/pam_vprompt.c new file mode 100644 index 0000000..c53079b --- /dev/null +++ b/libpam/pam_vprompt.c @@ -0,0 +1,115 @@ +/* + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" + +#include +#include +#include +#include +#include + +#include +#include +#include + +#include "pam_private.h" + +int +pam_vprompt (pam_handle_t *pamh, int style, char **response, + const char *fmt, va_list args) +{ + struct pam_message msg; + struct pam_response *pam_resp = NULL; + const struct pam_message *pmsg; + const struct pam_conv *conv; + const void *convp; + char *msgbuf; + int retval; + + if (response) + *response = NULL; + + retval = pam_get_item (pamh, PAM_CONV, &convp); + if (retval != PAM_SUCCESS) + return retval; + conv = convp; + if (conv == NULL || conv->conv == NULL) + { + pam_syslog (pamh, LOG_ERR, "no conversation function"); + return PAM_SYSTEM_ERR; + } + + if (vasprintf (&msgbuf, fmt, args) < 0) + { + pam_syslog (pamh, LOG_ERR, "vasprintf: %m"); + return PAM_BUF_ERR; + } + + msg.msg_style = style; + msg.msg = msgbuf; + pmsg = &msg; + + retval = conv->conv (1, &pmsg, &pam_resp, conv->appdata_ptr); + if (retval != PAM_SUCCESS && pam_resp != NULL) + pam_syslog(pamh, LOG_WARNING, + "unexpected response from failed conversation function"); + if (response) + *response = pam_resp == NULL ? NULL : pam_resp->resp; + else if (pam_resp && pam_resp->resp) + { + _pam_overwrite (pam_resp->resp); + _pam_drop (pam_resp->resp); + } + _pam_overwrite (msgbuf); + _pam_drop (pam_resp); + free (msgbuf); + if (retval != PAM_SUCCESS) + pam_syslog (pamh, LOG_ERR, "conversation failed"); + + return retval; +} + +int +pam_prompt (pam_handle_t *pamh, int style, char **response, + const char *fmt, ...) +{ + va_list args; + int retval; + + va_start (args, fmt); + retval = pam_vprompt (pamh, style, response, fmt, args); + va_end (args); + + return retval; +} diff --git a/libpam_misc/Makefile.am b/libpam_misc/Makefile.am new file mode 100644 index 0000000..4f01d32 --- /dev/null +++ b/libpam_misc/Makefile.am @@ -0,0 +1,26 @@ +# +# Copyright (c) 2005 Thorsten Kukuk +# + +CLEANFILES = *~ + +EXTRA_DIST = libpam_misc.map + +include_HEADERS = include/security/pam_misc.h + +AM_CFLAGS = -I$(top_srcdir)/libpam/include \ + -I$(top_srcdir)/libpamc/include -I$(srcdir)/include $(WARN_CFLAGS) + +libpam_misc_la_LDFLAGS = -no-undefined -version-info 82:1:82 +if HAVE_VERSIONING + libpam_misc_la_LDFLAGS += -Wl,--version-script=$(srcdir)/libpam_misc.map +endif +libpam_misc_la_LIBADD = $(top_builddir)/libpam/libpam.la + +lib_LTLIBRARIES = libpam_misc.la + +libpam_misc_la_SOURCES = help_env.c misc_conv.c + +# Pkg-config script. +pkgconfigdir = $(libdir)/pkgconfig +pkgconfig_DATA = pam_misc.pc diff --git a/libpam_misc/Makefile.in b/libpam_misc/Makefile.in new file mode 100644 index 0000000..9ce0691 --- /dev/null +++ b/libpam_misc/Makefile.in @@ -0,0 +1,806 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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Morgan + * + */ + +#include "config.h" + +#include +#include +#include +#include + +/* + * This function should be used to carefully dispose of the copied + * environment. + * + * usage: env = pam_misc_drop_env(env); + */ + +char **pam_misc_drop_env(char **dump) +{ + int i; + + for (i=0; dump[i] != NULL; ++i) { + D(("dump[%d]=`%s'", i, dump[i])); + _pam_overwrite(dump[i]); + _pam_drop(dump[i]); + } + _pam_drop(dump); + + return NULL; +} + +/* + * This function takes the supplied environment and uploads it to be + * the PAM one. + */ + +int pam_misc_paste_env(pam_handle_t *pamh, const char * const * user_env) +{ + for (; user_env && *user_env; ++user_env) { + int retval; + + D(("uploading: %s", *user_env)); + retval = pam_putenv(pamh, *user_env); + if (retval != PAM_SUCCESS) { + D(("error setting %s: %s", *user_env, pam_strerror(pamh,retval))); + return retval; + } + } + D(("done.")); + return PAM_SUCCESS; +} + +/* + * This is a wrapper to make pam behave in the way that setenv() does. + */ + +int pam_misc_setenv(pam_handle_t *pamh, const char *name + , const char *value, int readonly) +{ + char *tmp; + int retval; + + if (readonly) { + const char *etmp; + + /* we check if the variable is there already */ + etmp = pam_getenv(pamh, name); + if (etmp != NULL) { + D(("failed to set readonly variable: %s", name)); + return PAM_PERM_DENIED; /* not allowed to overwrite */ + } + } + if (asprintf(&tmp, "%s=%s", name, value) >= 0) { + D(("pam_putt()ing: %s", tmp)); + retval = pam_putenv(pamh, tmp); + _pam_overwrite(tmp); /* purge */ + _pam_drop(tmp); /* forget */ + } else { + D(("malloc failure")); + retval = PAM_BUF_ERR; + } + + return retval; +} diff --git a/libpam_misc/include/security/pam_misc.h b/libpam_misc/include/security/pam_misc.h new file mode 100644 index 0000000..fca2422 --- /dev/null +++ b/libpam_misc/include/security/pam_misc.h @@ -0,0 +1,52 @@ +/* $Id$ */ + +#ifndef __PAMMISC_H +#define __PAMMISC_H + +#include +#include + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/* include some useful macros */ + +#include + +/* functions defined in pam_misc.* libraries */ + +extern int misc_conv(int num_msg, const struct pam_message **msgm, + struct pam_response **response, void *appdata_ptr); + +#include + +extern time_t pam_misc_conv_warn_time; /* time that we should warn user */ +extern time_t pam_misc_conv_die_time; /* cut-off time for input */ +extern const char *pam_misc_conv_warn_line; /* warning notice */ +extern const char *pam_misc_conv_die_line; /* cut-off remark */ +extern int pam_misc_conv_died; /* 1 = cut-off time reached (0 not) */ +extern int (*pam_binary_handler_fn)(void *appdata, pamc_bp_t *prompt_p); +extern void (*pam_binary_handler_free)(void *appdata, pamc_bp_t *prompt_p); +/* + * Environment helper functions + */ + +/* transcribe given environment (to pam) */ +extern int pam_misc_paste_env(pam_handle_t *pamh + , const char * const * user_env); + +/* delete environment as obtained from (pam_getenvlist) */ +extern char **pam_misc_drop_env(char **env); + +/* provide something like the POSIX setenv function for the (Linux-)PAM + * environment. */ + +extern int pam_misc_setenv(pam_handle_t *pamh, const char *name + , const char *value, int readonly); + +#ifdef __cplusplus +} +#endif /* def __cplusplus */ + +#endif /* ndef __PAMMISC_H */ diff --git a/libpam_misc/libpam_misc.map b/libpam_misc/libpam_misc.map new file mode 100644 index 0000000..2f28d5c --- /dev/null +++ b/libpam_misc/libpam_misc.map @@ -0,0 +1,17 @@ +LIBPAM_MISC_1.0 { + global: + misc_conv; + pam_misc_conv_warn_time; + pam_misc_conv_die_time; + pam_misc_conv_warn_line; + pam_misc_conv_die_line; + pam_misc_conv_died; + pam_binary_handler_fn; + pam_binary_handler_free; + pam_misc_paste_env; + pam_misc_drop_env; + pam_misc_setenv; + + local: + *; +}; diff --git a/libpam_misc/misc_conv.c b/libpam_misc/misc_conv.c new file mode 100644 index 0000000..908ee89 --- /dev/null +++ b/libpam_misc/misc_conv.c @@ -0,0 +1,401 @@ +/* + * A generic conversation function for text based applications + * + * Written by Andrew Morgan + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#define INPUTSIZE PAM_MISC_CONV_BUFSIZE /* maximum length of input+1 */ +#define CONV_ECHO_ON 1 /* types of echo state */ +#define CONV_ECHO_OFF 0 + +/* + * external timeout definitions - these can be overridden by the + * application. + */ + +time_t pam_misc_conv_warn_time = 0; /* time when we warn */ +time_t pam_misc_conv_die_time = 0; /* time when we timeout */ + +const char *pam_misc_conv_warn_line = N_("...Time is running out...\n"); +const char *pam_misc_conv_die_line = N_("...Sorry, your time is up!\n"); + +int pam_misc_conv_died=0; /* application can probe this for timeout */ + +/* + * These functions are for binary prompt manipulation. + * The manner in which a binary prompt is processed is application + * specific, so these function pointers are provided and can be + * initialized by the application prior to the conversation function + * being used. + */ + +static void pam_misc_conv_delete_binary(void *appdata UNUSED, + pamc_bp_t *delete_me) +{ + PAM_BP_RENEW(delete_me, 0, 0); +} + +int (*pam_binary_handler_fn)(void *appdata, pamc_bp_t *prompt_p) = NULL; +void (*pam_binary_handler_free)(void *appdata, pamc_bp_t *prompt_p) + = pam_misc_conv_delete_binary; + +/* the following code is used to get text input */ + +static volatile int expired=0; + +/* return to the previous signal handling */ +static void reset_alarm(struct sigaction *o_ptr) +{ + (void) alarm(0); /* stop alarm clock - if still ticking */ + (void) sigaction(SIGALRM, o_ptr, NULL); +} + +/* this is where we intercept the alarm signal */ +static void time_is_up(int ignore UNUSED) +{ + expired = 1; +} + +/* set the new alarm to hit the time_is_up() function */ +static int set_alarm(int delay, struct sigaction *o_ptr) +{ + struct sigaction new_sig; + + sigemptyset(&new_sig.sa_mask); + new_sig.sa_flags = 0; + new_sig.sa_handler = time_is_up; + if ( sigaction(SIGALRM, &new_sig, o_ptr) ) { + return 1; /* setting signal failed */ + } + if ( alarm(delay) ) { + (void) sigaction(SIGALRM, o_ptr, NULL); + return 1; /* failed to set alarm */ + } + return 0; /* all seems to have worked */ +} + +/* return the number of seconds to next alarm. 0 = no delay, -1 = expired */ +static int get_delay(void) +{ + time_t now; + + expired = 0; /* reset flag */ + (void) time(&now); + + /* has the quit time past? */ + if (pam_misc_conv_die_time && now >= pam_misc_conv_die_time) { + fprintf(stderr,"%s",pam_misc_conv_die_line); + + pam_misc_conv_died = 1; /* note we do not reset the die_time */ + return -1; /* time is up */ + } + + /* has the warning time past? */ + if (pam_misc_conv_warn_time && now >= pam_misc_conv_warn_time) { + fprintf(stderr, "%s", pam_misc_conv_warn_line); + pam_misc_conv_warn_time = 0; /* reset warn_time */ + + /* indicate remaining delay - if any */ + + return (pam_misc_conv_die_time ? pam_misc_conv_die_time - now:0 ); + } + + /* indicate possible warning delay */ + + if (pam_misc_conv_warn_time) + return (pam_misc_conv_warn_time - now); + else if (pam_misc_conv_die_time) + return (pam_misc_conv_die_time - now); + else + return 0; +} + +/* read a line of input string, giving prompt when appropriate */ +static int read_string(int echo, const char *prompt, char **retstr) +{ + struct termios term_before, term_tmp; + char line[INPUTSIZE]; + struct sigaction old_sig; + int delay, nc = -1, have_term = 0; + sigset_t oset, nset; + + D(("called with echo='%s', prompt='%s'.", echo ? "ON":"OFF" , prompt)); + + if (isatty(STDIN_FILENO)) { /* terminal state */ + + /* is a terminal so record settings and flush it */ + if ( tcgetattr(STDIN_FILENO, &term_before) != 0 ) { + D(("")); + *retstr = NULL; + return -1; + } + memcpy(&term_tmp, &term_before, sizeof(term_tmp)); + if (!echo) { + term_tmp.c_lflag &= ~(ECHO); + } + have_term = 1; + + /* + * We make a simple attempt to block TTY signals from suspending + * the conversation without giving PAM a chance to clean up. + */ + + sigemptyset(&nset); + sigaddset(&nset, SIGTSTP); + (void) sigprocmask(SIG_BLOCK, &nset, &oset); + + } else if (!echo) { + D(("")); + } + + /* set up the signal handling */ + delay = get_delay(); + + /* reading the line */ + while (delay >= 0) { + /* this may, or may not set echo off -- drop pending input */ + if (have_term) + (void) tcsetattr(STDIN_FILENO, TCSAFLUSH, &term_tmp); + + fprintf(stderr, "%s", prompt); + + if ( delay > 0 && set_alarm(delay, &old_sig) ) { + D(("")); + break; + } else { + if (have_term) + nc = read(STDIN_FILENO, line, INPUTSIZE-1); + else /* we must read one line only */ + for (nc = 0; nc < INPUTSIZE-1 && (nc?line[nc-1]:0) != '\n'; + nc++) { + int rv; + if ((rv=read(STDIN_FILENO, line+nc, 1)) != 1) { + if (rv < 0) { + _pam_overwrite_n(line, (unsigned int) nc); + nc = rv; + } + break; + } + } + if (have_term) { + (void) tcsetattr(STDIN_FILENO, TCSADRAIN, &term_before); + if (!echo || expired) /* do we need a newline? */ + fprintf(stderr, "\n"); + } + if ( delay > 0 ) { + reset_alarm(&old_sig); + } + if (expired) { + delay = get_delay(); + } else if (nc > 0) { /* we got some user input */ + D(("we got some user input")); + + if (line[nc-1] == '\n') { /* terminate */ + line[--nc] = '\0'; + } else { + if (echo) { + fprintf(stderr, "\n"); + } + line[nc] = '\0'; + } + *retstr = strdup(line); + _pam_overwrite(line); + if (!*retstr) { + D(("no memory for response string")); + nc = -1; + } + + goto cleanexit; /* return malloc()ed string */ + + } else if (nc == 0) { /* Ctrl-D */ + D(("user did not want to type anything")); + + *retstr = NULL; + if (echo) { + fprintf(stderr, "\n"); + } + goto cleanexit; /* return malloc()ed "" */ + } else if (nc == -1) { + /* Don't loop forever if read() returns -1. */ + D(("error reading input from the user: %m")); + if (echo) { + fprintf(stderr, "\n"); + } + *retstr = NULL; + goto cleanexit; /* return NULL */ + } + } + } + + /* getting here implies that the timer expired */ + + D(("the timer appears to have expired")); + + *retstr = NULL; + _pam_overwrite_n(line, sizeof(line)); + + cleanexit: + + if (have_term) { + (void) sigprocmask(SIG_SETMASK, &oset, NULL); + (void) tcsetattr(STDIN_FILENO, TCSAFLUSH, &term_before); + } + + return nc; +} + +/* end of read_string functions */ + +/* + * This conversation function is supposed to be a generic PAM one. + * Unfortunately, it is _not_ completely compatible with the Solaris PAM + * codebase. + * + * Namely, for msgm's that contain multiple prompts, this function + * interprets "const struct pam_message **msgm" as equivalent to + * "const struct pam_message *msgm[]". The Solaris module + * implementation interprets the **msgm object as a pointer to a + * pointer to an array of "struct pam_message" objects (that is, a + * confusing amount of pointer indirection). + */ + +int misc_conv(int num_msg, const struct pam_message **msgm, + struct pam_response **response, void *appdata_ptr) +{ + int count=0; + struct pam_response *reply; + + if (num_msg <= 0) + return PAM_CONV_ERR; + + D(("allocating empty response structure array.")); + + reply = (struct pam_response *) calloc(num_msg, + sizeof(struct pam_response)); + if (reply == NULL) { + D(("no memory for responses")); + return PAM_CONV_ERR; + } + + D(("entering conversation function.")); + + for (count=0; count < num_msg; ++count) { + char *string=NULL; + int nc; + + switch (msgm[count]->msg_style) { + case PAM_PROMPT_ECHO_OFF: + nc = read_string(CONV_ECHO_OFF,msgm[count]->msg, &string); + if (nc < 0) { + goto failed_conversation; + } + break; + case PAM_PROMPT_ECHO_ON: + nc = read_string(CONV_ECHO_ON,msgm[count]->msg, &string); + if (nc < 0) { + goto failed_conversation; + } + break; + case PAM_ERROR_MSG: + if (fprintf(stderr,"%s\n",msgm[count]->msg) < 0) { + goto failed_conversation; + } + break; + case PAM_TEXT_INFO: + if (fprintf(stdout,"%s\n",msgm[count]->msg) < 0) { + goto failed_conversation; + } + break; + case PAM_BINARY_PROMPT: + { + pamc_bp_t binary_prompt = NULL; + + if (!msgm[count]->msg || !pam_binary_handler_fn) { + goto failed_conversation; + } + + PAM_BP_RENEW(&binary_prompt, + PAM_BP_RCONTROL(msgm[count]->msg), + PAM_BP_LENGTH(msgm[count]->msg)); + PAM_BP_FILL(binary_prompt, 0, PAM_BP_LENGTH(msgm[count]->msg), + PAM_BP_RDATA(msgm[count]->msg)); + + if (pam_binary_handler_fn(appdata_ptr, + &binary_prompt) != PAM_SUCCESS + || (binary_prompt == NULL)) { + goto failed_conversation; + } + string = (char *) binary_prompt; + binary_prompt = NULL; + + break; + } + default: + fprintf(stderr, _("erroneous conversation (%d)\n"), + msgm[count]->msg_style); + goto failed_conversation; + } + + if (string) { /* must add to reply array */ + /* add string to list of responses */ + + reply[count].resp_retcode = 0; + reply[count].resp = string; + string = NULL; + } + } + + *response = reply; + reply = NULL; + + return PAM_SUCCESS; + +failed_conversation: + + D(("the conversation failed")); + + if (reply) { + for (count=0; countmsg_style) { + case PAM_PROMPT_ECHO_ON: + case PAM_PROMPT_ECHO_OFF: + _pam_overwrite(reply[count].resp); + free(reply[count].resp); + break; + case PAM_BINARY_PROMPT: + { + void *bt_ptr = reply[count].resp; + pam_binary_handler_free(appdata_ptr, bt_ptr); + break; + } + case PAM_ERROR_MSG: + case PAM_TEXT_INFO: + /* should not actually be able to get here... */ + free(reply[count].resp); + } + reply[count].resp = NULL; + } + /* forget reply too */ + free(reply); + reply = NULL; + } + + return PAM_CONV_ERR; +} diff --git a/libpam_misc/pam_misc.pc.in b/libpam_misc/pam_misc.pc.in new file mode 100644 index 0000000..0c8898c --- /dev/null +++ b/libpam_misc/pam_misc.pc.in @@ -0,0 +1,9 @@ +libdir=@libdir@ +includedir=@includedir@ + +Name: pam_misc +Description: Miscellaneous functions that make the job of writing PAM-aware applications easier. +URL: http://www.linux-pam.org/ +Version: @VERSION@ +Cflags: -I${includedir} +Libs: -L${libdir} -lpam_misc diff --git a/libpamc/License b/libpamc/License new file mode 100644 index 0000000..9316078 --- /dev/null +++ b/libpamc/License @@ -0,0 +1,41 @@ +Unless otherwise *explicitly* stated the following text describes the +licensed conditions under which the contents of this libpamc release +may be distributed: + +------------------------------------------------------------------------- +Redistribution and use in source and binary forms of libpamc, +with or without modification, are permitted provided that the +following conditions are met: + +1. Redistributions of source code must retain any existing copyright + notice, and this entire permission notice in its entirety, + including the disclaimer of warranties. + +2. Redistributions in binary form must reproduce all prior and current + copyright notices, this list of conditions, and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + +3. The name of any author may not be used to endorse or promote + products derived from this software without their specific prior + written permission. + +ALTERNATIVELY, this product may be distributed under the terms of the +GNU Library General Public License (LGPL), in which case the +provisions of the GNU LGPL are required INSTEAD OF the above +restrictions. (This clause is necessary due to a potential conflict +between the GNU LGPL and the restrictions contained in a BSD-style +copyright.) + +THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED +WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, +INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR +TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE +USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH +DAMAGE. +------------------------------------------------------------------------- diff --git a/libpamc/Makefile.am b/libpamc/Makefile.am new file mode 100644 index 0000000..2ebeadc --- /dev/null +++ b/libpamc/Makefile.am @@ -0,0 +1,28 @@ +# +# Copyright (c) 2005 Thorsten Kukuk +# + +SUBDIRS = test + +CLEANFILES = *~ + +EXTRA_DIST = License libpamc.map + +include_HEADERS = include/security/pam_client.h + +noinst_HEADERS = libpamc.h + +AM_CFLAGS=-I$(top_srcdir)/libpam/include -I$(srcdir)/include $(WARN_CFLAGS) + +libpamc_la_LDFLAGS = -no-undefined -version-info 82:1:82 +if HAVE_VERSIONING + libpamc_la_LDFLAGS += -Wl,--version-script=$(srcdir)/libpamc.map +endif + +lib_LTLIBRARIES = libpamc.la + +libpamc_la_SOURCES = pamc_client.c pamc_converse.c pamc_load.c + +# Pkg-config script. +pkgconfigdir = $(libdir)/pkgconfig +pkgconfig_DATA = pamc.pc diff --git a/libpamc/Makefile.in b/libpamc/Makefile.in new file mode 100644 index 0000000..424c175 --- /dev/null +++ b/libpamc/Makefile.in @@ -0,0 +1,924 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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+ +clean-generic: + -test -z "$(CLEANFILES)" || rm -f $(CLEANFILES) + +distclean-generic: + -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES) + -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." +clean: clean-recursive + +clean-am: clean-generic clean-libLTLIBRARIES clean-libtool \ + mostlyclean-am + +distclean: distclean-recursive + -rm -f ./$(DEPDIR)/pamc_client.Plo + -rm -f ./$(DEPDIR)/pamc_converse.Plo + -rm -f ./$(DEPDIR)/pamc_load.Plo + -rm -f Makefile +distclean-am: clean-am distclean-compile distclean-generic \ + distclean-tags + +dvi: dvi-recursive + +dvi-am: + +html: html-recursive + +html-am: + +info: info-recursive + +info-am: + +install-data-am: install-includeHEADERS install-pkgconfigDATA + +install-dvi: install-dvi-recursive + +install-dvi-am: + 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\ + clean-libLTLIBRARIES clean-libtool cscopelist-am ctags \ + ctags-am distclean distclean-compile distclean-generic \ + distclean-libtool distclean-tags distdir dvi dvi-am html \ + html-am info info-am install install-am install-data \ + install-data-am install-dvi install-dvi-am install-exec \ + install-exec-am install-html install-html-am \ + install-includeHEADERS install-info install-info-am \ + install-libLTLIBRARIES install-man install-pdf install-pdf-am \ + install-pkgconfigDATA install-ps install-ps-am install-strip \ + installcheck installcheck-am installdirs installdirs-am \ + maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am \ + uninstall-includeHEADERS uninstall-libLTLIBRARIES \ + uninstall-pkgconfigDATA + +.PRECIOUS: Makefile + + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/libpamc/include/security/pam_client.h b/libpamc/include/security/pam_client.h new file mode 100644 index 0000000..41f83da --- /dev/null +++ b/libpamc/include/security/pam_client.h @@ -0,0 +1,197 @@ +/* + * $Id$ + * + * Copyright (c) 1999 Andrew G. Morgan + * + * This header file provides the prototypes for the PAM client API + */ + +#ifndef PAM_CLIENT_H +#define PAM_CLIENT_H + +#ifdef __cplusplus +extern "C" { +#endif /* def __cplusplus */ + +#include +#include +#include +#include +#include + +/* opaque agent handling structure */ + +typedef struct pamc_handle_s *pamc_handle_t; + +/* binary prompt structure pointer */ +typedef struct { uint32_t length; uint8_t control; } *pamc_bp_t; + +/* + * functions provided by libpamc + */ + +/* + * Initialize the agent abstraction library + */ + +pamc_handle_t pamc_start(void); + +/* + * Terminate the authentication process + */ + +int pamc_end(pamc_handle_t *pch); + +/* + * force the loading of a specified agent + */ + +int pamc_load(pamc_handle_t pch, const char *agent_id); + +/* + * Single conversation interface for binary prompts + */ + +int pamc_converse(pamc_handle_t pch, pamc_bp_t *prompt_p); + +/* + * disable an agent + */ + +int pamc_disable(pamc_handle_t pch, const char *agent_id); + +/* + * obtain a list of available agents + */ + +char **pamc_list_agents(pamc_handle_t pch); + +/* + * PAM_BP_ MACROS for creating, destroying and manipulating binary prompts + */ + +#include +#include +#include + +#ifndef PAM_BP_ASSERT +# ifdef NDEBUG +# define PAM_BP_ASSERT(x) do {} while (0) +# else +# define PAM_BP_ASSERT(x) do { printf(__FILE__ "(%d): %s\n", \ + __LINE__, x) ; exit(1); } while (0) +# endif /* NDEBUG */ +#endif /* PAM_BP_ASSERT */ + +#ifndef PAM_BP_CALLOC +# define PAM_BP_CALLOC calloc +#endif /* PAM_BP_CALLOC */ + +#ifndef PAM_BP_FREE +# define PAM_BP_FREE free +#endif /* PAM_BP_FREE */ + +#define __PAM_BP_WOCTET(x,y) (*((y) + (uint8_t *)(x))) +#define __PAM_BP_ROCTET(x,y) (*((y) + (const uint8_t *)(x))) + +#define PAM_BP_MIN_SIZE (sizeof(uint32_t) + sizeof(uint8_t)) +#define PAM_BP_MAX_LENGTH 0x20000 /* an advisory limit */ +#define PAM_BP_WCONTROL(x) (__PAM_BP_WOCTET(x,4)) +#define PAM_BP_RCONTROL(x) (__PAM_BP_ROCTET(x,4)) +#define PAM_BP_SIZE(x) ((__PAM_BP_ROCTET(x,0)<<24)+ \ + (__PAM_BP_ROCTET(x,1)<<16)+ \ + (__PAM_BP_ROCTET(x,2)<< 8)+ \ + (__PAM_BP_ROCTET(x,3) )) +#define PAM_BP_LENGTH(x) (PAM_BP_SIZE(x) - PAM_BP_MIN_SIZE) +#define PAM_BP_WDATA(x) (PAM_BP_MIN_SIZE + (uint8_t *) (x)) +#define PAM_BP_RDATA(x) (PAM_BP_MIN_SIZE + (const uint8_t *) (x)) + +/* Note, this macro always '\0' terminates renewed packets */ + +#define PAM_BP_RENEW(old_p, cntrl, data_length) \ +do { \ + if ((old_p) != NULL) { \ + if (*(old_p)) { \ + uint32_t __size; \ + __size = PAM_BP_SIZE(*(old_p)); \ + memset(*(old_p), 0, __size); \ + PAM_BP_FREE(*(old_p)); \ + } \ + if (cntrl) { \ + uint32_t __size; \ + \ + __size = PAM_BP_MIN_SIZE + data_length; \ + if ((*(old_p) = PAM_BP_CALLOC(1, 1+__size))) { \ + __PAM_BP_WOCTET(*(old_p), 3) = __size & 0xFF; \ + __PAM_BP_WOCTET(*(old_p), 2) = (__size>>=8) & 0xFF; \ + __PAM_BP_WOCTET(*(old_p), 1) = (__size>>=8) & 0xFF; \ + __PAM_BP_WOCTET(*(old_p), 0) = (__size>>=8) & 0xFF; \ + (*(old_p))->control = cntrl; \ + } else { \ + PAM_BP_ASSERT("out of memory for binary prompt"); \ + } \ + } else { \ + *old_p = NULL; \ + } \ + } else { \ + PAM_BP_ASSERT("programming error, invalid binary prompt pointer"); \ + } \ +} while (0) + +#define PAM_BP_FILL(prmpt, offset, length, data) \ +do { \ + size_t bp_length; \ + uint8_t *prompt = (uint8_t *) (prmpt); \ + bp_length = PAM_BP_LENGTH(prompt); \ + if (bp_length < ((length)+(offset))) { \ + PAM_BP_ASSERT("attempt to write over end of prompt"); \ + } \ + memcpy((offset) + PAM_BP_WDATA(prompt), (data), (length)); \ +} while (0) + +#define PAM_BP_EXTRACT(prmpt, offset, length, data) \ +do { \ + size_t __bp_length; \ + const uint8_t *__prompt = (const uint8_t *) (prmpt); \ + __bp_length = PAM_BP_LENGTH(__prompt); \ + if (((offset) < 0) || (__bp_length < ((length)+(offset))) \ + || ((length) < 0)) { \ + PAM_BP_ASSERT("invalid extraction from prompt"); \ + } \ + memcpy((data), (offset) + PAM_BP_RDATA(__prompt), (length)); \ +} while (0) + + +/* Control types */ + +#define PAM_BPC_FALSE 0 +#define PAM_BPC_TRUE 1 + +#define PAM_BPC_OK 0x01 /* continuation packet */ +#define PAM_BPC_SELECT 0x02 /* initialization packet */ +#define PAM_BPC_DONE 0x03 /* termination packet */ +#define PAM_BPC_FAIL 0x04 /* unable to execute */ + +/* The following control characters are only legal for echanges + between an agent and a client (it is the responsibility of the + client to enforce this rule in the face of a rogue server): */ + +#define PAM_BPC_GETENV 0x41 /* obtain client env.var */ +#define PAM_BPC_PUTENV 0x42 /* set client env.var */ +#define PAM_BPC_TEXT 0x43 /* display message */ +#define PAM_BPC_ERROR 0x44 /* display error message */ +#define PAM_BPC_PROMPT 0x45 /* echo'd text prompt */ +#define PAM_BPC_PASS 0x46 /* non-echo'd text prompt*/ + +/* quick check for prompts that are legal for the client (by + implication the server too) to send to libpamc */ + +#define PAM_BPC_FOR_CLIENT(/* pamc_bp_t */ prompt) \ + (((prompt)->control <= PAM_BPC_FAIL && (prompt)->control >= PAM_BPC_OK) \ + ? PAM_BPC_TRUE:PAM_BPC_FALSE) + +#ifdef __cplusplus +} +#endif /* def __cplusplus */ + +#endif /* PAM_CLIENT_H */ diff --git a/libpamc/libpamc.h b/libpamc/libpamc.h new file mode 100644 index 0000000..cdc7724 --- /dev/null +++ b/libpamc/libpamc.h @@ -0,0 +1,66 @@ +/* + * $Id$ + * + * Copyright (c) Andrew G. Morgan + * + */ + +#ifndef LIBPAMC_H +#define LIBPAMC_H + +#include "config.h" + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define _PAMC_DEFAULT_TOP_FD 10 + +struct pamc_handle_s { + struct pamc_agent_s *current; + struct pamc_agent_s *chain; + struct pamc_blocked_s *blocked_agents; + int max_path; + char **agent_paths; + int combined_status; + int highest_fd_to_close; +}; + +typedef struct pamc_blocked_s { + char *id; /* terminated */ + struct pamc_blocked_s *next; +} pamc_blocked_t; + +typedef struct pamc_agent_s { + char *id; + int id_length; + struct pamc_agent_s *next; + int writer; /* write to agent */ + int reader; /* read from agent */ + pid_t pid; /* agent process id */ +} pamc_agent_t; + +/* used to build a tree of unique, sorted agent ids */ + +typedef struct pamc_id_node { + struct pamc_id_node *left, *right; + int child_count; + char *agent_id; +} pamc_id_node_t; + +/* internal function */ +int __pamc_valid_agent_id(int id_length, const char *id); + +#define PAMC_SYSTEM_AGENT_PATH "/lib/pamc:/usr/lib/pamc" +#define PAMC_SYSTEM_AGENT_SEPARATOR ':' + +#endif /* LIBPAMC_H */ diff --git a/libpamc/libpamc.map b/libpamc/libpamc.map new file mode 100644 index 0000000..cc61a33 --- /dev/null +++ b/libpamc/libpamc.map @@ -0,0 +1,12 @@ +LIBPAMC_1.0 { + global: + pamc_start; + pamc_end; + pamc_load; + pamc_converse; + pamc_disable; + pamc_list_agents; + + local: + *; +}; diff --git a/libpamc/pamc.pc.in b/libpamc/pamc.pc.in new file mode 100644 index 0000000..25a6385 --- /dev/null +++ b/libpamc/pamc.pc.in @@ -0,0 +1,9 @@ +libdir=@libdir@ +includedir=@includedir@ + +Name: libpamc +URL: http://www.linux-pam.org/ +Description: The PAM client API library and binary prompt support. Rarely used. +Version: @VERSION@ +Cflags: -I${includedir} +Libs: -L${libdir} -lpamc diff --git a/libpamc/pamc_client.c b/libpamc/pamc_client.c new file mode 100644 index 0000000..175f424 --- /dev/null +++ b/libpamc/pamc_client.c @@ -0,0 +1,189 @@ +/* + * $Id$ + * + * Copyright (c) Andrew G. Morgan + * + * pamc_start and pamc_end + */ + +#include "libpamc.h" + +/* + * liberate path list + */ + +static void __pamc_delete_path_list(pamc_handle_t pch) +{ + int i; + + for (i=0; pch->agent_paths[i]; ++i) { + free(pch->agent_paths[i]); + pch->agent_paths[i] = NULL; + } + + free(pch->agent_paths); + pch->agent_paths = NULL; +} + +/* + * open the pamc library + */ + +pamc_handle_t pamc_start(void) +{ + int i, count, last, this; + const char *default_path; + pamc_handle_t pch; + + pch = calloc(1, sizeof(struct pamc_handle_s)); + if (pch == NULL) { + D(("no memory for *pch")); + return NULL; + } + + pch->highest_fd_to_close = _PAMC_DEFAULT_TOP_FD; + + default_path = getenv("PAMC_AGENT_PATH"); + if (default_path == NULL) { + default_path = PAMC_SYSTEM_AGENT_PATH; + } + + /* number of individual paths */ + for (count=1, i=0; default_path[i]; ++i) { + if (default_path[i] == PAMC_SYSTEM_AGENT_SEPARATOR) { + ++count; + } + } + + pch->agent_paths = calloc(count+1, sizeof(char *)); + if (pch->agent_paths == NULL) { + D(("no memory for path list")); + goto drop_pch; + } + + this = last = i = 0; + while ( default_path[i] || (i != last) ) { + if ( default_path[i] == PAMC_SYSTEM_AGENT_SEPARATOR + || !default_path[i] ) { + int length; + + pch->agent_paths[this] = malloc(length = 1+i-last); + + if (pch->agent_paths[this] == NULL) { + D(("no memory for next path")); + goto drop_list; + } + + memcpy(pch->agent_paths[this], default_path + last, i-last); + pch->agent_paths[this][i-last] = '\0'; + if (length > pch->max_path) { + pch->max_path = length; + } + + if (++this == count) { + break; + } + + last = ++i; + } else { + ++i; + } + } + + return pch; + +drop_list: + __pamc_delete_path_list(pch); + +drop_pch: + free(pch); + + return NULL; +} + +/* + * shutdown each of the loaded agents and + */ + +static int __pamc_shutdown_agents(pamc_handle_t pch) +{ + int retval = PAM_BPC_TRUE; + + D(("called")); + + while (pch->chain) { + pid_t pid; + int status; + pamc_agent_t *this; + + this = pch->chain; + D(("cleaning up agent %p", this)); + pch->chain = pch->chain->next; + this->next = NULL; + D(("cleaning up agent: %s", this->id)); + + /* close off contact with agent and wait for it to shutdown */ + + close(this->writer); + this->writer = -1; + close(this->reader); + this->reader = -1; + + pid = waitpid(this->pid, &status, 0); + if (pid == this->pid) { + + D(("is exit:%d, exit val:%d", + WIFEXITED(status), WEXITSTATUS(status))); + + if (!(WIFEXITED(status) && (WEXITSTATUS(status) == 0))) { + retval = PAM_BPC_FALSE; + } + } else { + D(("problem shutting down agent (%s): pid(%d) != waitpid(%d)!?", + this->id, this->pid, pid)); + retval = PAM_BPC_FALSE; + } + pid = this->pid = 0; + + memset(this->id, 0, this->id_length); + free(this->id); + this->id = NULL; + this->id_length = 0; + + free(this); + this = NULL; + } + + return retval; +} + +/* + * close the pamc library + */ + +int pamc_end(pamc_handle_t *pch_p) +{ + int retval; + + if (pch_p == NULL) { + D(("called with no pch_p")); + return PAM_BPC_FALSE; + } + + if (*pch_p == NULL) { + D(("called with no *pch_p")); + return PAM_BPC_FALSE; + } + + D(("removing path_list")); + __pamc_delete_path_list(*pch_p); + + D(("shutting down agents")); + retval = __pamc_shutdown_agents(*pch_p); + + D(("freeing *pch_p")); + free(*pch_p); + *pch_p = NULL; + + return retval; +} diff --git a/libpamc/pamc_converse.c b/libpamc/pamc_converse.c new file mode 100644 index 0000000..f8f60ed --- /dev/null +++ b/libpamc/pamc_converse.c @@ -0,0 +1,211 @@ +/* + * $Id$ + * + * Copyright (c) Andrew G. Morgan + * + * pamc_converse + */ + +#include "libpamc.h" + +/* + * select agent + */ + +static int __pamc_select_agent(pamc_handle_t pch, char *agent_id) +{ + pamc_agent_t *agent; + + for (agent = pch->chain; agent; agent = agent->next) { + if (!strcmp(agent->id, agent_id)) { + pch->current = agent; + return PAM_BPC_TRUE; + } + } + + D(("failed to locate agent")); + pch->current = NULL; + return PAM_BPC_FALSE; +} + +/* + * pass a binary prompt to the active agent and wait for a reply prompt + */ + +int pamc_converse(pamc_handle_t pch, pamc_bp_t *prompt_p) +{ + uint32_t size, offset=0; + uint8_t control, raw[PAM_BP_MIN_SIZE]; + + D(("called")); + + if (pch == NULL) { + D(("null pch")); + goto pamc_converse_failure; + } + + if (prompt_p == NULL) { + D(("null prompt_p")); + goto pamc_converse_failure; + } + + if (*prompt_p == NULL) { + D(("null *prompt_p")); + goto pamc_converse_failure; + } + + /* from here on, failures are interoperability problems.. */ + + size = PAM_BP_SIZE(*prompt_p); + if (size < PAM_BP_MIN_SIZE) { + D(("problem with size being too short (%u)", size)); + goto pamc_unknown_prompt; + } + + if (PAM_BPC_FOR_CLIENT(*prompt_p) != PAM_BPC_TRUE) { + D(("*prompt_p is not legal for the client to use")); + goto pamc_unknown_prompt; + } + + /* do we need to select the agent? */ + if ((*prompt_p)->control == PAM_BPC_SELECT) { + char *rawh; + size_t i; + int retval; + + D(("selecting a specified agent")); + + rawh = (char *) *prompt_p; + for (i = PAM_BP_MIN_SIZE; i= size) + || !__pamc_valid_agent_id(i-PAM_BP_MIN_SIZE, + rawh + PAM_BP_MIN_SIZE) ) { + goto pamc_unknown_prompt; + } + + rawh[i] = '\0'; + retval = pamc_load(pch, PAM_BP_MIN_SIZE + rawh); + if (retval == PAM_BPC_TRUE) { + retval = __pamc_select_agent(pch, PAM_BP_MIN_SIZE + rawh); + } + rawh[i] = '/'; + + if (retval != PAM_BPC_TRUE) { + goto pamc_unknown_prompt; + } + + D(("agent is loaded")); + } + + if (pch->current == NULL) { + D(("unable to address agent")); + goto pamc_unknown_prompt; + } + + /* pump all of the prompt into the agent */ + do { + int rval = write(pch->current->writer, + offset + (const uint8_t *) (*prompt_p), + size - offset); + if (rval == -1) { + switch (errno) { + case EINTR: + break; + default: + D(("problem writing to agent: %m")); + goto pamc_unknown_prompt; + } + } else { + offset += rval; + } + } while (offset < size); + + D(("whole prompt sent to agent")); + + /* read size and control for response prompt */ + + offset = 0; + memset(raw, 0, sizeof(raw)); + do { + int rval; + + rval = read(pch->current->reader, raw + offset, + PAM_BP_MIN_SIZE - offset); + + if (rval == -1) { + switch (errno) { + case EINTR: + break; + default: + D(("problem reading from agent: %m")); + goto pamc_unknown_prompt; + } + } else if (rval) { + offset += rval; + } else { + D(("agent has closed its output pipe - nothing more to read")); + goto pamc_converse_failure; + } + } while (offset < PAM_BP_MIN_SIZE); + + /* construct the whole reply prompt */ + + size = PAM_BP_SIZE(raw); + control = PAM_BP_RCONTROL(raw); + memset(raw, 0, sizeof(raw)); + + D(("agent replied with prompt of size %d and control %u", + size, control)); + + PAM_BP_RENEW(prompt_p, control, size - PAM_BP_MIN_SIZE); + if (*prompt_p == NULL) { + D(("problem making a new prompt for reply")); + goto pamc_unknown_prompt; + } + + /* read the rest of the reply prompt -- note offset has the correct + value from the previous loop */ + + while (offset < size) { + int rval = read(pch->current->reader, offset + (uint8_t *) *prompt_p, + size-offset); + + if (rval == -1) { + switch (errno) { + case EINTR: + break; + default: + D(("problem reading from agent: %m")); + goto pamc_unknown_prompt; + } + } else if (rval) { + offset += rval; + } else { + D(("problem reading prompt (%d) with %d to go", + size, size-offset)); + goto pamc_converse_failure; + } + } + + D(("returning success")); + + return PAM_BPC_TRUE; + +pamc_converse_failure: + + D(("conversation failure")); + PAM_BP_RENEW(prompt_p, 0, 0); + return PAM_BPC_FALSE; + +pamc_unknown_prompt: + + /* the server is trying something that the client does not support */ + D(("unknown prompt")); + PAM_BP_RENEW(prompt_p, PAM_BPC_FAIL, 0); + return PAM_BPC_TRUE; +} diff --git a/libpamc/pamc_load.c b/libpamc/pamc_load.c new file mode 100644 index 0000000..24a65df --- /dev/null +++ b/libpamc/pamc_load.c @@ -0,0 +1,477 @@ +/* + * $Id$ + * + * Copyright (c) 1999 Andrew G. Morgan + * + * pamc_load + */ + +#include "libpamc.h" + +static int __pamc_exec_agent(pamc_handle_t pch, pamc_agent_t *agent) +{ + char *full_path; + int found_agent, length, reset_length, to_agent[2], from_agent[2]; + int return_code = PAM_BPC_FAIL; + + if (agent->id[agent->id_length] != '\0') { + PAM_BP_ASSERT("libpamc: internal error agent_id not terminated"); + } + + for (length=0; (length < agent->id_length); ++length) { + switch (agent->id[length]) { + case '/': + D(("ill formed agent id")); + return PAM_BPC_FAIL; + } + } + + /* enough memory for any path + this agent */ + reset_length = 3 + pch->max_path + agent->id_length; + D(("reset_length = %d (3+%d+%d)", + reset_length, pch->max_path, agent->id_length)); + full_path = malloc(reset_length); + if (full_path == NULL) { + D(("no memory for agent path")); + return PAM_BPC_FAIL; + } + + found_agent = 0; + for (length=0; pch->agent_paths[length]; ++length) { + struct stat buf; + + D(("path: [%s]", pch->agent_paths[length])); + D(("agent id: [%s]", agent->id)); + + sprintf(full_path, "%s/%s", pch->agent_paths[length], agent->id); + + D(("looking for agent here: [%s]\n", full_path)); + if (stat(full_path, &buf) == 0) { + D(("file existis")); + found_agent = 1; + break; + } + } + + if (! found_agent) { + D(("no agent was found")); + goto free_and_return; + } + + if (pipe(to_agent)) { + D(("failed to open pipe to agent")); + goto free_and_return; + } + + if (pipe(from_agent)) { + D(("failed to open pipe from agent")); + goto close_the_agent; + } + + agent->pid = fork(); + if (agent->pid == -1) { + + D(("failed to fork for agent")); + goto close_both_pipes; + + } else if (agent->pid == 0) { + + int i; + + dup2(from_agent[1], STDOUT_FILENO); + dup2(to_agent[0], STDIN_FILENO); + + /* we close all of the files that have filedescriptors lower + and equal to twice the highest we have seen, The idea is + that we don't want to leak filedescriptors to agents from a + privileged client application. + + XXX - this is a heuristic at this point. There is a growing + need for an extra 'set param' libpamc function, that could + be used to supply info like the highest fd to close etc.. + */ + + if (from_agent[1] > pch->highest_fd_to_close) { + pch->highest_fd_to_close = 2*from_agent[1]; + } + + for (i=0; i <= pch->highest_fd_to_close; ++i) { + switch (i) { + case STDOUT_FILENO: + case STDERR_FILENO: + case STDIN_FILENO: + /* only these three remain open */ + break; + default: + (void) close(i); /* don't care if its not open */ + } + } + + /* we make no attempt to drop other privileges - this library + has no idea how that would be done in the general case. It + is up to the client application (when calling + pamc_converse) to make sure no privilege will leak into an + (untrusted) agent. */ + + /* we propagate no environment - future versions of this + library may have the ability to audit all agent + transactions. */ + + D(("exec'ing agent %s", full_path)); + execle(full_path, "pam-agent", NULL, NULL); + + D(("exec failed")); + _exit(1); + + } + + close(to_agent[0]); + close(from_agent[1]); + + agent->writer = to_agent[1]; + agent->reader = from_agent[0]; + + return_code = PAM_BPC_TRUE; + goto free_and_return; + +close_both_pipes: + close(from_agent[0]); + close(from_agent[1]); + +close_the_agent: + close(to_agent[0]); + close(to_agent[1]); + +free_and_return: + memset(full_path, 0, reset_length); + free(full_path); + + D(("returning %d", return_code)); + + return return_code; +} + +/* + * has the named agent been loaded? + */ + +static int __pamc_agent_is_enabled(pamc_handle_t pch, const char *agent_id) +{ + pamc_agent_t *agent; + + for (agent = pch->chain; agent; agent = agent->next) { + if (!strcmp(agent->id, agent_id)) { + D(("agent already loaded")); + return PAM_BPC_TRUE; + } + } + + D(("agent is not loaded")); + return PAM_BPC_FALSE; +} + +/* + * has the named agent been disabled? + */ + +static int __pamc_agent_is_disabled(pamc_handle_t pch, const char *agent_id) +{ + pamc_blocked_t *blocked; + + for (blocked=pch->blocked_agents; blocked; blocked = blocked->next) { + if (!strcmp(agent_id, blocked->id)) { + D(("agent is disabled")); + return PAM_BPC_TRUE; + } + } + + D(("agent is not disabled")); + return PAM_BPC_FALSE; +} + +/* + * disable an agent + */ + +int pamc_disable(pamc_handle_t pch, const char *agent_id) +{ + pamc_blocked_t *block; + + if (pch == NULL) { + D(("pch is NULL")); + return PAM_BPC_FALSE; + } + + if (agent_id == NULL) { + D(("agent_id is NULL")); + return PAM_BPC_FALSE; + } + + if (__pamc_agent_is_enabled(pch, agent_id) != PAM_BPC_FALSE) { + D(("agent is already loaded")); + return PAM_BPC_FALSE; + } + + if (__pamc_agent_is_disabled(pch, agent_id) != PAM_BPC_FALSE) { + D(("agent is already disabled")); + return PAM_BPC_TRUE; + } + + block = calloc(1, sizeof(pamc_blocked_t)); + if (block == NULL) { + D(("no memory for new blocking structure")); + return PAM_BPC_FALSE; + } + + block->id = malloc(1 + strlen(agent_id)); + if (block->id == NULL) { + D(("no memory for agent id")); + free(block); + return PAM_BPC_FALSE; + } + + strcpy(block->id, agent_id); + block->next = pch->blocked_agents; + pch->blocked_agents = block; + + return PAM_BPC_TRUE; +} + +/* + * force the loading of a particular agent + */ + +int pamc_load(pamc_handle_t pch, const char *agent_id) +{ + pamc_agent_t *agent; + int length; + + /* santity checking */ + + if (pch == NULL) { + D(("pch is NULL")); + return PAM_BPC_FALSE; + } + + if (agent_id == NULL) { + D(("agent_id is NULL")); + return PAM_BPC_FALSE; + } + + if (__pamc_agent_is_disabled(pch, agent_id) != PAM_BPC_FALSE) { + D(("sorry agent is disabled")); + return PAM_BPC_FALSE; + } + + length = strlen(agent_id); + + /* scan list to see if agent is loaded */ + + if (__pamc_agent_is_enabled(pch, agent_id) == PAM_BPC_TRUE) { + D(("no need to load an already loaded agent (%s)", agent_id)); + return PAM_BPC_TRUE; + } + + /* not in the list, so we need to load it and add it to the head + of the chain */ + + agent = calloc(1, sizeof(pamc_agent_t)); + if (agent == NULL) { + D(("no memory for new agent")); + return PAM_BPC_FALSE; + } + agent->id = calloc(1, 1+length); + if (agent->id == NULL) { + D(("no memory for new agent's id")); + goto fail_free_agent; + } + memcpy(agent->id, agent_id, length); + agent->id[length] = '\0'; + agent->id_length = length; + + if (__pamc_exec_agent(pch, agent) != PAM_BPC_TRUE) { + D(("unable to exec agent")); + goto fail_free_agent_id; + } + + agent->next = pch->chain; + pch->chain = agent; + + return PAM_BPC_TRUE; + +fail_free_agent_id: + + memset(agent->id, 0, agent->id_length); + free(agent->id); + + memset(agent, 0, sizeof(*agent)); + +fail_free_agent: + + free(agent); + return PAM_BPC_FALSE; +} + +/* + * what's a valid agent name? + */ + +int __pamc_valid_agent_id(int id_length, const char *id) +{ + int post, i; + + for (i=post=0 ; i < id_length; ++i) { + int ch = id[i++]; + + if (isalpha(ch) || isdigit(ch) || (ch == '_')) { + continue; + } else if (post && (ch == '.')) { + continue; + } else if ((i > 1) && (!post) && (ch == '@')) { + post = 1; + } else { + D(("id=%s contains '%c' which is illegal", id, ch)); + return 0; + } + } + + if (!i) { + D(("length of id is 0")); + return 0; + } else { + return 1; /* id is valid */ + } +} + +/* + * building a tree of available agent names + */ + +static pamc_id_node_t *__pamc_add_node(pamc_id_node_t *root, const char *id, + int *counter) +{ + if (root) { + + int cmp; + + if ((cmp = strcmp(id, root->agent_id))) { + if (cmp > 0) { + root->right = __pamc_add_node(root->right, id, + &(root->child_count)); + } else { + root->left = __pamc_add_node(root->left, id, + &(root->child_count)); + } + } + + return root; + + } else { + + pamc_id_node_t *node = calloc(1, sizeof(pamc_id_node_t)); + + if (node) { + node->agent_id = malloc(1+strlen(id)); + if (node->agent_id) { + strcpy(node->agent_id, id); + } else { + free(node); + node = NULL; + } + } + + (*counter)++; + return node; + } +} + +/* + * drop all of the tree and any remaining ids + */ + +static pamc_id_node_t *__pamc_liberate_nodes(pamc_id_node_t *tree) +{ + if (tree) { + if (tree->agent_id) { + free(tree->agent_id); + tree->agent_id = NULL; + } + + tree->left = __pamc_liberate_nodes(tree->left); + tree->right = __pamc_liberate_nodes(tree->right); + + tree->child_count = 0; + free(tree); + } + + return NULL; +} + +/* + * fill a list with the contents of the tree (in ascii order) + */ + +static void __pamc_fill_list_from_tree(pamc_id_node_t *tree, char **agent_list, + int *counter) +{ + if (tree) { + __pamc_fill_list_from_tree(tree->left, agent_list, counter); + agent_list[(*counter)++] = tree->agent_id; + tree->agent_id = NULL; + __pamc_fill_list_from_tree(tree->right, agent_list, counter); + } +} + +/* + * get a list of the available agents + */ + +char **pamc_list_agents(pamc_handle_t pch) +{ + int i, total_agent_count=0; + pamc_id_node_t *tree = NULL; + char **agent_list; + + /* loop over agent paths */ + + for (i=0; pch->agent_paths[i]; ++i) { + DIR *dir; + + dir = opendir(pch->agent_paths[i]); + if (dir) { + struct dirent *item; + + while ((item = readdir(dir))) { + + /* this is a cheat on recognizing agent_ids */ + if (!__pamc_valid_agent_id(strlen(item->d_name), + item->d_name)) { + continue; + } + + tree = __pamc_add_node(tree, item->d_name, &total_agent_count); + } + + closedir(dir); + } + } + + /* now, we build a list of ids */ + D(("total of %d available agents\n", total_agent_count)); + + agent_list = calloc(total_agent_count+1, sizeof(char *)); + if (agent_list) { + int counter=0; + + __pamc_fill_list_from_tree(tree, agent_list, &counter); + if (counter != total_agent_count) { + PAM_BP_ASSERT("libpamc: internal error transcribing tree"); + } + } else { + D(("no memory for agent list")); + } + + __pamc_liberate_nodes(tree); + + return agent_list; +} diff --git a/libpamc/test/Makefile.am b/libpamc/test/Makefile.am new file mode 100644 index 0000000..fc0cac4 --- /dev/null +++ b/libpamc/test/Makefile.am @@ -0,0 +1,11 @@ +# +# Copyright (c) 2005 Thorsten Kukuk +# + +AUTOMAKE_OPTIONS = 1.6 gnits + +CLEANFILES = *~ */*~ + +EXTRA_DIST = agents/secret@here modules/Makefile modules/pam_secret.c \ + regress/Makefile regress/run_test.sh regress/test.libpamc.c \ + regress/test.secret@here diff --git a/libpamc/test/Makefile.in b/libpamc/test/Makefile.in new file mode 100644 index 0000000..e2f360b --- /dev/null +++ b/libpamc/test/Makefile.in @@ -0,0 +1,526 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# +# Copyright (c) 2005 Thorsten Kukuk +# +VPATH = @srcdir@ +am__is_gnu_make = { \ + if test -z '$(MAKELEVEL)'; then \ + false; \ + elif test -n '$(MAKE_HOST)'; then \ + true; \ + elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \ + true; \ + else \ + false; \ + fi; \ +} +am__make_running_with_option = \ + case $${target_option-} in \ + ?) ;; \ + *) echo "am__make_running_with_option: internal error: invalid" \ + "target option '$${target_option-}' specified" >&2; \ + exit 1;; \ + esac; \ + has_opt=no; \ + sane_makeflags=$$MAKEFLAGS; \ + if 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mode 100755 index 0000000..8d82c01 --- /dev/null +++ b/libpamc/test/agents/secret@here @@ -0,0 +1,307 @@ +#!/usr/bin/perl +# +# This is a simple example PAM authentication agent, it implements a +# simple shared secret authentication scheme. The PAM module pam_secret.so +# is its counter part. Both the agent and the remote server are able to +# authenticate one another, but the server is given the opportunity to +# ignore a failed authentication. +# + +$^W = 1; +use strict; +use IPC::Open2; +$| = 1; + +# display extra information to STDERR +my $debug = 0; +if (scalar @ARGV) { + $debug = 1; +} + +# Globals + +my %state; +my $default_key; + +my $next_key = $$; + +# loop over binary prompts +for (;;) { + my ($control, $data) = ReadBinaryPrompt(); + my ($reply_control, $reply_data); + + if ($control == 0) { + if ($debug) { + print STDERR "agent: no packet to read\n"; + } + last; + } elsif ($control == 0x02) { + ($reply_control, $reply_data) = HandleAgentSelection($data); + } elsif ($control == 0x01) { + ($reply_control, $reply_data) = HandleContinuation($data); + } else { + if ($debug) { + print STDERR + "agent: unrecognized packet $control {$data} to read\n"; + } + ($reply_control, $reply_data) = (0x04, ""); + } + + WriteBinaryPrompt($reply_control, $reply_data); +} + +# Only willing to exit well if we've completed our authentication exchange + +if (scalar keys %state) { + if ($debug) { + print STDERR "The following sessions are still active:\n "; + print STDERR join ', ', keys %state; + print STDERR "\n"; + } + exit 1; +} else { + exit 0; +} + +sub HandleAgentSelection ($) { + my ($data) = @_; + + unless ( $data =~ /^([a-zA-Z0-9_]+\@?[a-zA-Z0-9_.]*)\/(.*)$/ ) { + return (0x04, ""); + } + + my ($agent_name, $payload) = ($1, $2); + if ($debug) { + print STDERR "agent: ". "agent=$agent_name, payload=$payload\n"; + } + + # this agent has a defined name + if ($agent_name ne "secret\@here") { + if ($debug) { + print STDERR "bad agent name: [$agent_name]\n"; + } + return (0x04, ""); + } + + # the selection request is acompanied with a hexadecimal cookie + my @tokens = split '\|', $payload; + + unless ((scalar @tokens) == 2) { + if ($debug) { + print STDERR "bad payload\n"; + } + return (0x04, ""); + } + + unless ($tokens[1] =~ /^[a-z0-9]+$/) { + if ($debug) { + print STDERR "bad server cookie\n"; + } + return (0x04, ""); + } + + my $shared_secret = IdentifyLocalSecret($tokens[0]); + + unless (defined $shared_secret) { + # make a secret up + if ($debug) { + print STDERR "agent: cannot authenticate user\n"; + } + $shared_secret = GetRandom(); + } + + my $local_cookie = GetRandom(); + $default_key = $next_key++; + + $state{$default_key} = $local_cookie ."|". $tokens[1] ."|". $shared_secret; + + if ($debug) { + print STDERR "agent: \$state{$default_key} = $state{$default_key}\n"; + } + + return (0x01, $default_key ."|". $local_cookie); +} + +sub HandleContinuation ($) { + my ($data) = @_; + + my ($key, $server_digest) = split '\|', $data; + + unless (defined $state{$key}) { + # retries and out of sequence prompts are not permitted + return (0x04, ""); + } + + my $expected_digest = CreateDigest($state{$key}); + my ($local_cookie, $remote_cookie, $shared_secret) + = split '\|', $state{$key}; + delete $state{$key}; + + unless ($expected_digest eq $server_digest) { + if ($debug) { + print STDERR "agent: don't trust server - faking reply\n"; + print STDERR "agent: got ($server_digest)\n"; + print STDERR "agent: expected ($expected_digest)\n"; + } + + ## FIXME: Agent should exchange a prompt with the client warning + ## that the server is faking us out. + + return (0x03, CreateDigest($expected_digest . $data . GetRandom())); + } + + if ($debug) { + print STDERR "agent: server appears to know the secret\n"; + } + + my $session_authenticated_ticket = + CreateDigest($remote_cookie."|".$shared_secret."|".$local_cookie); + + # FIXME: Agent should set a derived session key environment + # variable (available for the client (and its children) to sign + # future data exchanges. + + if ($debug) { + print STDERR "agent: should putenv(" + ."\"AUTH_SESSION_TICKET=$session_authenticated_ticket\")\n"; + } + + # return agent's authenticating digest + return (0x03, CreateDigest($shared_secret."|".$remote_cookie + ."|".$local_cookie)); +} + +sub ReadBinaryPrompt { + my $buffer = " "; + my $count = read(STDIN, $buffer, 5); + if ($count == 0) { + # no more packets to read + return (0, ""); + } + + if ($count != 5) { + # broken packet header + return (-1, ""); + } + + my ($length, $control) = unpack("N C", $buffer); + if ($length < 5) { + # broken packet length + return (-1, ""); + } + + my $data = ""; + $length -= 5; + while ($count = read(STDIN, $buffer, $length)) { + $data .= $buffer; + if ($count != $length) { + $length -= $count; + next; + } + + if ($debug) { + print STDERR "agent: ". "data is [$data]\n"; + } + + return ($control, $data); + } + + # broken packet data + return (-1, ""); +} + +sub WriteBinaryPrompt ($$) { + my ($control, $data) = @_; + + my $length = 5 + length($data); + if ($debug) { + printf STDERR "agent: ". "{%d|0x%.2x|%s}\n", $length, $control, $data; + } + my $bp = pack("N C a*", $length, $control, $data); + print STDOUT $bp; + if ($debug) { + printf STDERR "agent: ". "agent has replied\n"; + } +} + +## +## Here is where we parse the simple secret file +## The format of this file is a list of lines of the following form: +## +## user@client0.host.name secret_string1 +## user@client1.host.name secret_string2 +## user@client2.host.name secret_string3 +## + +sub IdentifyLocalSecret ($) { + my ($identifier) = @_; + my $secret; + + if (open SECRETS, "< ". (getpwuid($<))[7] ."/.secret\@here") { + my $line; + while (defined ($line = )) { + my ($id, $sec) = split /[\s]+/, $line; + if ((defined $id) && ($id eq $identifier)) { + $secret = $sec; + last; + } + } + close SECRETS; + } + + return $secret; +} + +## Here is where we generate a message digest + +sub CreateDigest ($) { + my ($data) = @_; + + my $pid = open2(\*MD5out, \*MD5in, "/usr/bin/md5sum -") + or die "you'll need /usr/bin/md5sum installed"; + + my $oldfd = select MD5in; $|=1; select $oldfd; + if ($debug) { + print STDERR "agent: ". "telling md5: <$data>\n"; + } + print MD5in "$data"; + close MD5in; + my $reply = ; + ($reply) = split /\s/, $reply; + if ($debug) { + print STDERR "agent: ". "md5 said: <$reply>\n"; + } + close MD5out; + + return $reply; +} + +## get a random number + +sub GetRandom { + + if ( -r "/dev/urandom" ) { + open RANDOM, "< /dev/urandom" or die "crazy"; + + my $i; + my $reply = ""; + + for ($i=0; $i<4; ++$i) { + my $buffer = " "; + while (read(RANDOM, $buffer, 4) != 4) { + ; + } + $reply .= sprintf "%.8x", unpack("N", $buffer); + if ($debug) { + print STDERR "growing reply: [$reply]\n"; + } + } + close RANDOM; + + return $reply; + } else { + print STDERR "agent: ". "[got linux?]\n"; + return "%.8x%.8x%.8x%.8x", time, time, time, time; + } + +} diff --git a/libpamc/test/modules/Makefile b/libpamc/test/modules/Makefile new file mode 100644 index 0000000..4806546 --- /dev/null +++ b/libpamc/test/modules/Makefile @@ -0,0 +1,9 @@ +CFLAGS = -g -fPIC -I"../../include" + +pam_secret.so: pam_secret.o + ld -x --shared -o pam_secret.so pam_secret.o -lc + +.o.c: + +clean: + rm -f *.so *.o diff --git a/libpamc/test/modules/pam_secret.c b/libpamc/test/modules/pam_secret.c new file mode 100644 index 0000000..f1c74c6 --- /dev/null +++ b/libpamc/test/modules/pam_secret.c @@ -0,0 +1,669 @@ +/* + * $Id$ + * + * Copyright (c) 1999 Andrew G. Morgan + */ + +/* + * WARNING: AS WRITTEN THIS CODE IS NOT SECURE. THE MD5 IMPLEMENTATION + * NEEDS TO BE INTEGRATED MORE NATIVELY. + */ + +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +/* + * This is a sample module that demonstrates the use of binary prompts + * and how they can be used to implement sophisticated authentication + * schemes. + */ + +struct ps_state_s { + int retval; /* last retval returned by the authentication fn */ + int state; /* what state the module was in when it + returned incomplete */ + + char *username; /* the name of the local user */ + + char server_cookie[33]; /* storage for 32 bytes of server cookie */ + char client_cookie[33]; /* storage for 32 bytes of client cookie */ + + char *secret_data; /* pointer to terminated secret_data */ + int invalid_secret; /* indication of whether the secret is valid */ + + pamc_bp_t current_prompt; /* place to store the current prompt */ + pamc_bp_t current_reply; /* place to receive the reply prompt */ +}; + +#define PS_STATE_ID "PAM_SECRET__STATE" +#define PS_AGENT_ID "secret@here" +#define PS_STATE_DEAD 0 +#define PS_STATE_INIT 1 +#define PS_STATE_PROMPT1 2 +#define PS_STATE_PROMPT2 3 + +#define MAX_LEN_HOSTNAME 512 +#define MAX_FILE_LINE_LEN 1024 + +/* + * Routine for generating 16*8 bits of random data represented in ASCII hex + */ + +static int generate_cookie(unsigned char *buffer_33) +{ + static const char hexarray[] = "0123456789abcdef"; + int i, fd; + + /* fill buffer_33 with 32 hex characters (lower case) + '\0' */ + fd = open("/dev/urandom", O_RDONLY); + if (fd < 0) { + D(("failed to open /dev/urandom")); + return 0; + } + read(fd, buffer_33 + 16, 16); + close(fd); + + /* expand top 16 bytes into 32 nibbles */ + for (i=0; i<16; ++i) { + buffer_33[2*i ] = hexarray[(buffer_33[16+i] & 0xf0)>>4]; + buffer_33[2*i+1] = hexarray[(buffer_33[16+i] & 0x0f)]; + } + + buffer_33[32] = '\0'; + + return 1; +} + +/* + * XXX - This is a hack, and is fundamentally insecure. Its subject to + * all sorts of attacks not to mention the fact that all our secrets + * will be displayed on the command line for someone doing 'ps' to + * see. This is just for programming convenience in this instance, it + * needs to be replaced with the md5 code. Although I am loath to + * add yet another instance of md5 code to the Linux-PAM source code. + * [Need to think of a cleaner way to do this for the distribution as + * a whole...] + */ + +#define COMMAND_FORMAT "/bin/echo -n '%s|%s|%s'|/usr/bin/md5sum -" + +int create_digest(const char *d1, const char *d2, const char *d3, + char *buffer_33) +{ + int length; + char *buffer; + FILE *pipe; + + length = strlen(d1)+strlen(d2)+strlen(d3)+sizeof(COMMAND_FORMAT); + buffer = malloc(length); + if (buffer == NULL) { + D(("out of memory")); + return 0; + } + + sprintf(buffer, COMMAND_FORMAT, d1,d2,d3); + + D(("executing pipe [%s]", buffer)); + pipe = popen(buffer, "r"); + memset(buffer, 0, length); + free(buffer); + + if (pipe == NULL) { + D(("failed to launch pipe")); + return 0; + } + + if (fgets(buffer_33, 33, pipe) == NULL) { + D(("failed to read digest")); + return 0; + } + + if (strlen(buffer_33) != 32) { + D(("digest was not 32 chars")); + return 0; + } + + fclose(pipe); + + D(("done [%s]", buffer_33)); + + return 1; +} + +/* + * method to attempt to instruct the application's conversation function + */ + +static int converse(pam_handle_t *pamh, struct ps_state_s *new) +{ + int retval; + struct pam_conv *conv; + + D(("called")); + + retval = pam_get_item(pamh, PAM_CONV, (const void **) &conv); + if (retval == PAM_SUCCESS) { + struct pam_message msg; + struct pam_response *single_reply; + const struct pam_message *msg_ptr; + + memset(&msg, 0, sizeof(msg)); + msg.msg_style = PAM_BINARY_PROMPT; + msg.msg = (const char *) new->current_prompt; + msg_ptr = &msg; + + single_reply = NULL; + retval = conv->conv(1, &msg_ptr, &single_reply, conv->appdata_ptr); + if (retval == PAM_SUCCESS) { + if ((single_reply == NULL) || (single_reply->resp == NULL)) { + retval == PAM_CONV_ERR; + } else { + new->current_reply = (pamc_bp_t) single_reply->resp; + single_reply->resp = NULL; + } + } + + if (single_reply) { + free(single_reply); + } + } + +#ifdef PAM_DEBUG + if (retval == PAM_SUCCESS) { + D(("reply has length=%d and control=%u", + PAM_BP_LENGTH(new->current_reply), + PAM_BP_CONTROL(new->current_reply))); + } + D(("returning %s", pam_strerror(pamh, retval))); +#endif + + return retval; +} + +/* + * identify the secret in question + */ + +#define SECRET_FILE_FORMAT "%s/.secret@here" + +char *identify_secret(char *identity, const char *user) +{ + struct passwd *pwd; + char *temp; + FILE *secrets; + int length_id; + + pwd = getpwnam(user); + if ((pwd == NULL) || (pwd->pw_dir == NULL)) { + D(("user [%s] is not known", user)); + return NULL; + } + + length_id = strlen(pwd->pw_dir) + sizeof(SECRET_FILE_FORMAT); + temp = malloc(length_id); + if (temp == NULL) { + D(("out of memory")); + pwd = NULL; + return NULL; + } + + sprintf(temp, SECRET_FILE_FORMAT, pwd->pw_dir); + pwd = NULL; + + D(("opening key file [%s]", temp)); + secrets = fopen(temp, "r"); + memset(temp, 0, length_id); + + if (secrets == NULL) { + D(("failed to open key file")); + return NULL; + } + + length_id = strlen(identity); + temp = malloc(MAX_FILE_LINE_LEN); + + for (;;) { + char *secret = NULL; + + if (fgets(temp, MAX_FILE_LINE_LEN, secrets) == NULL) { + fclose(secrets); + return NULL; + } + + D(("cf[%s][%s]", identity, temp)); + if (memcmp(temp, identity, length_id)) { + continue; + } + + D(("found entry")); + fclose(secrets); + + for (secret=temp+length_id; *secret; ++secret) { + if (!(*secret == ' ' || *secret == '\n' || *secret == '\t')) { + break; + } + } + + memmove(temp, secret, MAX_FILE_LINE_LEN-(secret-(temp+length_id))); + secret = temp; + + for (; *secret; ++secret) { + if (*secret == ' ' || *secret == '\n' || *secret == '\t') { + break; + } + } + + if (*secret) { + *secret = '\0'; + } + + D(("secret found [%s]", temp)); + + return temp; + } + + /* NOT REACHED */ +} + +/* + * function to perform the two message authentication process + * (with support for event driven conversation functions) + */ + +static int auth_sequence(pam_handle_t *pamh, + const struct ps_state_s *old, struct ps_state_s *new) +{ + const char *rhostname; + const char *rusername; + int retval; + + retval = pam_get_item(pamh, PAM_RUSER, (const void **) &rusername); + if ((retval != PAM_SUCCESS) || (rusername == NULL)) { + D(("failed to obtain an rusername")); + new->state = PS_STATE_DEAD; + return PAM_AUTH_ERR; + } + + retval = pam_get_item(pamh, PAM_RHOST, (const void **) &rhostname); + if ((retval != PAM_SUCCESS) || (rhostname == NULL)) { + D(("failed to identify local hostname: ", pam_strerror(pamh, retval))); + new->state = PS_STATE_DEAD; + return PAM_AUTH_ERR; + } + + D(("switch on new->state=%d [%s@%s]", new->state, rusername, rhostname)); + switch (new->state) { + + case PS_STATE_INIT: + { + const char *user = NULL; + + retval = pam_get_user(pamh, &user, NULL); + + if ((retval == PAM_SUCCESS) && (user == NULL)) { + D(("success but no username?")); + new->state = PS_STATE_DEAD; + retval = PAM_USER_UNKNOWN; + } + + if (retval != PAM_SUCCESS) { + if (retval == PAM_CONV_AGAIN) { + retval = PAM_INCOMPLETE; + } else { + new->state = PS_STATE_DEAD; + } + D(("state init failed: %s", pam_strerror(pamh, retval))); + return retval; + } + + /* nothing else in this 'case' can be retried */ + + new->username = strdup(user); + if (new->username == NULL) { + D(("out of memory")); + new->state = PS_STATE_DEAD; + return PAM_BUF_ERR; + } + + if (! generate_cookie(new->server_cookie)) { + D(("problem generating server cookie")); + new->state = PS_STATE_DEAD; + return PAM_ABORT; + } + + new->current_prompt = NULL; + PAM_BP_RENEW(&new->current_prompt, PAM_BPC_SELECT, + sizeof(PS_AGENT_ID) + strlen(rusername) + 1 + + strlen(rhostname) + 1 + 32); + sprintf(PAM_BP_WDATA(new->current_prompt), + PS_AGENT_ID "/%s@%s|%.32s", rusername, rhostname, + new->server_cookie); + + /* note, the BP is guaranteed by the spec to be terminated */ + D(("initialization packet [%s]", PAM_BP_DATA(new->current_prompt))); + + /* fall through */ + new->state = PS_STATE_PROMPT1; + + D(("fall through to state_prompt1")); + } + + case PS_STATE_PROMPT1: + { + int i, length; + + /* send {secret@here/jdoe@client.host|} */ + retval = converse(pamh, new); + if (retval != PAM_SUCCESS) { + if (retval == PAM_CONV_AGAIN) { + D(("conversation failed to complete")); + return PAM_INCOMPLETE; + } else { + new->state = PS_STATE_DEAD; + return retval; + } + } + + if (retval != PAM_SUCCESS) { + D(("failed to read ruser@rhost")); + new->state = PS_STATE_DEAD; + return PAM_AUTH_ERR; + } + + /* expect to receive the following {|} */ + if (new->current_reply == NULL) { + D(("converstation returned [%s] but gave no reply", + pam_strerror(pamh, retval))); + new->state = PS_STATE_DEAD; + return PAM_CONV_ERR; + } + + /* find | */ + length = PAM_BP_LENGTH(new->current_reply); + for (i=0; icurrent_reply)[i] == '|') { + break; + } + } + if (i >= length) { + D(("malformed response (no |) of length %d", length)); + new->state = PS_STATE_DEAD; + return PAM_CONV_ERR; + } + if ((length - ++i) != 32) { + D(("cookie is incorrect length (%d,%d) %d != 32", + length, i, length-i)); + new->state = PS_STATE_DEAD; + return PAM_CONV_ERR; + } + + /* copy client cookie */ + memcpy(new->client_cookie, PAM_BP_RDATA(new->current_reply)+i, 32); + + /* generate a prompt that is length(seqid) + length(|) + 32 long */ + PAM_BP_RENEW(&new->current_prompt, PAM_BPC_OK, i+32); + /* copy the head of the response prompt */ + memcpy(PAM_BP_WDATA(new->current_prompt), + PAM_BP_RDATA(new->current_reply), i); + PAM_BP_RENEW(&new->current_reply, 0, 0); + + /* look up the secret */ + new->invalid_secret = 0; + + if (new->secret_data == NULL) { + char *ruser_rhost; + + ruser_rhost = malloc(strlen(rusername)+2+strlen(rhostname)); + if (ruser_rhost == NULL) { + D(("out of memory")); + new->state = PS_STATE_DEAD; + return PAM_BUF_ERR; + } + sprintf(ruser_rhost, "%s@%s", rusername, rhostname); + new->secret_data = identify_secret(ruser_rhost, new->username); + + memset(ruser_rhost, 0, strlen(ruser_rhost)); + free(ruser_rhost); + } + + if (new->secret_data == NULL) { + D(("secret not found for user")); + new->invalid_secret = 1; + + /* need to make up a secret */ + new->secret_data = malloc(32 + 1); + if (new->secret_data == NULL) { + D(("out of memory")); + new->state = PS_STATE_DEAD; + return PAM_BUF_ERR; + } + if (! generate_cookie(new->secret_data)) { + D(("what's up - no fake cookie generated?")); + new->state = PS_STATE_DEAD; + return PAM_ABORT; + } + } + + /* construct md5[||] */ + if (! create_digest(new->client_cookie, new->server_cookie, + new->secret_data, + PAM_BP_WDATA(new->current_prompt)+i)) { + D(("md5 digesting failed")); + new->state = PS_STATE_DEAD; + return PAM_ABORT; + } + + /* prompt2 is now constructed - fall through to send it */ + } + + case PS_STATE_PROMPT2: + { + /* send {|md5[||]} */ + retval = converse(pamh, new); + if (retval != PAM_SUCCESS) { + if (retval == PAM_CONV_AGAIN) { + D(("conversation failed to complete")); + return PAM_INCOMPLETE; + } else { + new->state = PS_STATE_DEAD; + return retval; + } + } + + /* After we complete this section, we should not be able to + recall this authentication function. So, we force all + future calls into the weeds. */ + + new->state = PS_STATE_DEAD; + + /* expect reply:{md5[||]} */ + + { + int cf; + char expectation[33]; + + if (!create_digest(new->secret_data, new->server_cookie, + new->client_cookie, expectation)) { + new->state = PS_STATE_DEAD; + return PAM_ABORT; + } + + cf = strcmp(expectation, PAM_BP_RDATA(new->current_reply)); + memset(expectation, 0, sizeof(expectation)); + if (cf || new->invalid_secret) { + D(("failed to authenticate")); + return PAM_AUTH_ERR; + } + } + + D(("correctly authenticated :)")); + return PAM_SUCCESS; + } + + default: + new->state = PS_STATE_DEAD; + + case PS_STATE_DEAD: + + D(("state is currently dead/unknown")); + return PAM_AUTH_ERR; + } + + fprintf(stderr, "pam_secret: this should not be reached\n"); + return PAM_ABORT; +} + +static void clean_data(pam_handle_t *pamh, void *datum, int error_status) +{ + struct ps_state_s *data = datum; + + D(("liberating datum=%p", datum)); + + if (data) { + D(("renew prompt")); + PAM_BP_RENEW(&data->current_prompt, 0, 0); + D(("renew reply")); + PAM_BP_RENEW(&data->current_reply, 0, 0); + D(("overwrite datum")); + memset(data, 0, sizeof(struct ps_state_s)); + D(("liberate datum")); + free(data); + } + + D(("done.")); +} + +/* + * front end for the authentication function + */ + +int pam_sm_authenticate(pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + int retval; + struct ps_state_s *new_data; + const struct ps_state_s *old_data; + + D(("called")); + + new_data = calloc(1, sizeof(struct ps_state_s)); + if (new_data == NULL) { + D(("out of memory")); + return PAM_BUF_ERR; + } + new_data->retval = PAM_SUCCESS; + + retval = pam_get_data(pamh, PS_STATE_ID, (const void **) &old_data); + if (retval == PAM_SUCCESS) { + new_data->state = old_data->state; + memcpy(new_data->server_cookie, old_data->server_cookie, 32); + memcpy(new_data->client_cookie, old_data->client_cookie, 32); + if (old_data->username) { + new_data->username = strdup(old_data->username); + } + if (old_data->secret_data) { + new_data->secret_data = strdup(old_data->secret_data); + } + if (old_data->current_prompt) { + int length; + + length = PAM_BP_LENGTH(old_data->current_prompt); + PAM_BP_RENEW(&new_data->current_prompt, + PAM_BP_CONTROL(old_data->current_prompt), length); + PAM_BP_FILL(new_data->current_prompt, 0, length, + PAM_BP_RDATA(old_data->current_prompt)); + } + /* don't need to duplicate current_reply */ + } else { + old_data = NULL; + new_data->state = PS_STATE_INIT; + } + + D(("call auth_sequence")); + new_data->retval = auth_sequence(pamh, old_data, new_data); + D(("returned from auth_sequence")); + + retval = pam_set_data(pamh, PS_STATE_ID, new_data, clean_data); + if (retval != PAM_SUCCESS) { + D(("unable to store new_data")); + } else { + retval = new_data->retval; + } + + old_data = new_data = NULL; + + D(("done (%d)", retval)); + return retval; +} + +/* + * front end for the credential setting function + */ + +#define AUTH_SESSION_TICKET_ENV_FORMAT "AUTH_SESSION_TICKET=" + +int pam_sm_setcred(pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + int retval; + const struct ps_state_s *old_data; + + D(("called")); + + /* XXX - need to pay attention to the various flavors of call */ + + /* XXX - need provide an option to turn this feature on/off: if + other modules want to supply an AUTH_SESSION_TICKET, we should + leave it up to the admin which module dominiates. */ + + retval = pam_get_data(pamh, PS_STATE_ID, (const void **) &old_data); + if (retval != PAM_SUCCESS) { + D(("no data to base decision on")); + return PAM_AUTH_ERR; + } + + /* + * If ok, export a derived shared secret session ticket to the + * client's PAM environment - the ticket has the form + * + * AUTH_SESSION_TICKET = + * md5[||] + * + * This is a precursor to supporting a spoof resistant trusted + * path mechanism. This shared secret ticket can be used to add + * a hard-to-guess checksum to further authentication data. + */ + + retval = old_data->retval; + if (retval == PAM_SUCCESS) { + char envticket[sizeof(AUTH_SESSION_TICKET_ENV_FORMAT)+32]; + + memcpy(envticket, AUTH_SESSION_TICKET_ENV_FORMAT, + sizeof(AUTH_SESSION_TICKET_ENV_FORMAT)); + + if (! create_digest(old_data->server_cookie, old_data->secret_data, + old_data->client_cookie, + envticket+sizeof(AUTH_SESSION_TICKET_ENV_FORMAT)-1 + )) { + D(("unable to generate a digest for session ticket")); + return PAM_ABORT; + } + + D(("putenv[%s]", envticket)); + retval = pam_putenv(pamh, envticket); + memset(envticket, 0, sizeof(envticket)); + } + + old_data = NULL; + D(("done (%d)", retval)); + + return retval; +} diff --git a/libpamc/test/regress/Makefile b/libpamc/test/regress/Makefile new file mode 100644 index 0000000..cba474f --- /dev/null +++ b/libpamc/test/regress/Makefile @@ -0,0 +1,7 @@ +CFLAGS = -g -I ../../include + +test.libpamc: test.libpamc.o + $(CC) -o $@ $(CFLAGS) $< -L ../.. -lpamc + +clean: + rm -f test.libpamc test.libpamc.o diff --git a/libpamc/test/regress/run_test.sh b/libpamc/test/regress/run_test.sh new file mode 100755 index 0000000..6922f03 --- /dev/null +++ b/libpamc/test/regress/run_test.sh @@ -0,0 +1,6 @@ +#!/bin/sh + +LD_LIBRARY_PATH=../.. ; export LD_LIBRARY_PATH +PAMC_AGENT_PATH="../agents" ; export PAMC_AGENT_PATH + +./test.libpamc diff --git a/libpamc/test/regress/test.libpamc.c b/libpamc/test/regress/test.libpamc.c new file mode 100644 index 0000000..4251b4f --- /dev/null +++ b/libpamc/test/regress/test.libpamc.c @@ -0,0 +1,343 @@ +/* + * This is a small test program for testing libpamc against the + * secret@here agent. It does the same as the test.secret@here perl + * script in this directory, but via the libpamc API. + */ + +#include +#include +#include +#include +#include + +struct internal_packet { + int length; + int at; + char *buffer; +}; + + +void append_data(struct internal_packet *packet, int extra, const char *data) +{ + if ((extra + packet->at) >= packet->length) { + if (packet->length == 0) { + packet->length = 1000; + } + /* make sure we have at least a char extra space available */ + while (packet->length <= (extra + packet->at)) { + packet->length <<= 1; + } + packet->buffer = realloc(packet->buffer, packet->length); + if (packet->buffer == NULL) { + fprintf(stderr, "out of memory\n"); + exit(1); + } + } + + if (data != NULL) { + memcpy(packet->at + packet->buffer, data, extra); + } + packet->at += extra; + + /* assisting string manipulation */ + packet->buffer[packet->at] = '\0'; +} + +void append_string(struct internal_packet *packet, const char *string, + int with_nul) +{ + append_data(packet, strlen(string) + (with_nul ? 1:0), string); +} + +char *identify_secret(char *identity) +{ + struct internal_packet temp_packet; + FILE *secrets; + int length_id; + + temp_packet.length = temp_packet.at = 0; + temp_packet.buffer = NULL; + + append_string(&temp_packet, "/home/", 0); + append_string(&temp_packet, getlogin(), 0); + append_string(&temp_packet, "/.secret@here", 1); + + secrets = fopen(temp_packet.buffer, "r"); + if (secrets == NULL) { + fprintf(stderr, "server: failed to open\n [%s]\n", + temp_packet.buffer); + exit(1); + } + + length_id = strlen(identity); + for (;;) { + char *secret = NULL; + temp_packet.at = 0; + + if (fgets(temp_packet.buffer, temp_packet.length, secrets) == NULL) { + fclose(secrets); + return NULL; + } + + if (memcmp(temp_packet.buffer, identity, length_id)) { + continue; + } + + fclose(secrets); + for (secret=temp_packet.buffer; *secret; ++secret) { + if (*secret == ' ' || *secret == '\n' || *secret == '\t') { + break; + } + } + for (; *secret; ++secret) { + if (!(*secret == ' ' || *secret == '\n' || *secret == '\t')) { + break; + } + } + + for (temp_packet.buffer=secret; *temp_packet.buffer; + ++temp_packet.buffer) { + if (*temp_packet.buffer == ' ' || *temp_packet.buffer == '\n' + || *temp_packet.buffer == '\t') { + break; + } + } + if (*temp_packet.buffer) { + *temp_packet.buffer = '\0'; + } + + return secret; + } + + /* NOT REACHED */ +} + +/* + * This is a hack, and is fundamentally insecure. All our secrets will be + * displayed on the command line for someone doing 'ps' to see. This + * is just for programming convenience in this instance, since this + * program is simply a regression test. The pam_secret module should + * not do this, but make use of md5 routines directly. + */ + +char *create_digest(int length, const char *raw) +{ + struct internal_packet temp_packet; + FILE *pipe; + + temp_packet.length = temp_packet.at = 0; + temp_packet.buffer = NULL; + + append_string(&temp_packet, "echo -n '", 0); + append_string(&temp_packet, raw, 0); + append_string(&temp_packet, "'|/usr/bin/md5sum -", 1); + + fprintf(stderr, "am attempting to run [%s]\n", temp_packet.buffer); + + pipe = popen(temp_packet.buffer, "r"); + if (pipe == NULL) { + fprintf(stderr, "server: failed to run\n [%s]\n", temp_packet.buffer); + exit(1); + } + + temp_packet.at = 0; + append_data(&temp_packet, 32, NULL); + + if (fgets(temp_packet.buffer, 33, pipe) == NULL) { + fprintf(stderr, "server: failed to read digest\n"); + exit(1); + } + if (strlen(temp_packet.buffer) != 32) { + fprintf(stderr, "server: digest was not 32 chars?? [%s]\n", + temp_packet.buffer); + exit(1); + } + + fclose(pipe); + + return temp_packet.buffer; +} + +void packet_to_prompt(pamc_bp_t *prompt_p, uint8_t control, + struct internal_packet *packet) +{ + PAM_BP_RENEW(prompt_p, control, packet->at); + PAM_BP_FILL(*prompt_p, 0, packet->at, packet->buffer); + packet->at = 0; +} + +void prompt_to_packet(pamc_bp_t prompt, struct internal_packet *packet) +{ + int data_length; + + data_length = PAM_BP_LENGTH(prompt); + packet->at = 0; + append_data(packet, data_length, NULL); + + PAM_BP_EXTRACT(prompt, 0, data_length, packet->buffer); + + fprintf(stderr, "server received[%d]: {%d|0x%.2x|%s}\n", + data_length, + PAM_BP_SIZE(prompt), PAM_BP_RCONTROL(prompt), + PAM_BP_RDATA(prompt)); +} + +int main(int argc, char **argv) +{ + pamc_handle_t pch; + pamc_bp_t prompt = NULL; + struct internal_packet packet_data, *packet; + char *temp_string, *secret, *user, *a_cookie, *seqid, *digest; + const char *cookie = "123451234512345"; + int retval; + + packet = &packet_data; + packet->length = 0; + packet->at = 0; + packet->buffer = NULL; + + pch = pamc_start(); + if (pch == NULL) { + fprintf(stderr, "server: unable to get a handle from libpamc\n"); + exit(1); + } + + temp_string = getlogin(); + if (temp_string == NULL) { + fprintf(stderr, "server: who are you?\n"); + exit(1); + } +#define DOMAIN "@local.host" + user = malloc(1+strlen(temp_string)+strlen(DOMAIN)); + if (user == NULL) { + fprintf(stderr, "server: out of memory for user id\n"); + exit(1); + } + sprintf(user, "%s%s", temp_string, DOMAIN); + + append_string(packet, "secret@here/", 0); + append_string(packet, user, 0); + append_string(packet, "|", 0); + append_string(packet, cookie, 0); + packet_to_prompt(&prompt, PAM_BPC_SELECT, packet); + + /* get the library to accept the first packet (which should load + the secret@here agent) */ + + retval = pamc_converse(pch, &prompt); + fprintf(stderr, "server: after conversation\n"); + if (PAM_BP_RCONTROL(prompt) != PAM_BPC_OK) { + fprintf(stderr, "server: prompt had unexpected control type: %u\n", + PAM_BP_RCONTROL(prompt)); + exit(1); + } + + fprintf(stderr, "server: got a prompt back\n"); + + prompt_to_packet(prompt, packet); + + temp_string = strtok(packet->buffer, "|"); + if (temp_string == NULL) { + fprintf(stderr, "server: prompt does not contain anything"); + exit(1); + } + seqid = strdup(temp_string); + if (seqid == NULL) { + fprintf(stderr, "server: unable to store sequence id\n"); + } + + temp_string = strtok(NULL, "|"); + if (temp_string == NULL) { + fprintf(stderr, "server: no cookie from agent\n"); + exit(1); + } + a_cookie = strdup(temp_string); + if (a_cookie == NULL) { + fprintf(stderr, "server: no memory to store agent cookie\n"); + exit(1); + } + + fprintf(stderr, "server: agent responded with {%s|%s}\n", seqid, a_cookie); + secret = identify_secret(user); + fprintf(stderr, "server: secret=%s\n", secret); + + /* now, we construct the response */ + packet->at = 0; + append_string(packet, a_cookie, 0); + append_string(packet, "|", 0); + append_string(packet, cookie, 0); + append_string(packet, "|", 0); + append_string(packet, secret, 0); + + fprintf(stderr, "server: get digest of %s\n", packet->buffer); + + digest = create_digest(packet->at, packet->buffer); + + fprintf(stderr, "server: secret=%s, digest=%s\n", secret, digest); + + packet->at = 0; + append_string(packet, seqid, 0); + append_string(packet, "|", 0); + append_string(packet, digest, 0); + packet_to_prompt(&prompt, PAM_BPC_OK, packet); + + retval = pamc_converse(pch, &prompt); + fprintf(stderr, "server: after 2nd conversation\n"); + if (PAM_BP_RCONTROL(prompt) != PAM_BPC_DONE) { + fprintf(stderr, "server: 2nd prompt had unexpected control type: %u\n", + PAM_BP_RCONTROL(prompt)); + exit(1); + } + + prompt_to_packet(prompt, packet); + PAM_BP_RENEW(&prompt, 0, 0); + + temp_string = strtok(packet->buffer, "|"); + if (temp_string == NULL) { + fprintf(stderr, "no digest from agent\n"); + exit(1); + } + temp_string = strdup(temp_string); + + packet->at = 0; + append_string(packet, secret, 0); + append_string(packet, "|", 0); + append_string(packet, cookie, 0); + append_string(packet, "|", 0); + append_string(packet, a_cookie, 0); + + fprintf(stderr, "server: get digest of %s\n", packet->buffer); + + digest = create_digest(packet->at, packet->buffer); + + fprintf(stderr, "server: digest=%s\n", digest); + + if (strcmp(digest, temp_string)) { + fprintf(stderr, "server: agent doesn't know the secret\n"); + fprintf(stderr, "server: agent says: [%s]\n" + "server: server says: [%s]\n", temp_string, digest); + exit(1); + } else { + fprintf(stderr, "server: agent seems to know the secret\n"); + + packet->at = 0; + append_string(packet, cookie, 0); + append_string(packet, "|", 0); + append_string(packet, secret, 0); + append_string(packet, "|", 0); + append_string(packet, a_cookie, 0); + + digest = create_digest(packet->at, packet->buffer); + + fprintf(stderr, "server: putenv(\"AUTH_SESSION_TICKET=%s\")\n", + digest); + } + + + retval = pamc_end(&pch); + + fprintf(stderr, "server: agent(s) were %shappy to terminate\n", + retval == PAM_BPC_TRUE ? "":"un"); + + exit(!retval); +} diff --git a/libpamc/test/regress/test.secret@here b/libpamc/test/regress/test.secret@here new file mode 100755 index 0000000..67fe22e --- /dev/null +++ b/libpamc/test/regress/test.secret@here @@ -0,0 +1,151 @@ +#!/usr/bin/perl + +## +## this is a test script for regressing changes to the secret@here PAM +## agent +## + +$^W = 1; +use strict; +use IPC::Open2; + +$| = 1; + +my $whoami = `/usr/bin/whoami`; chomp $whoami; +my $cookie = "12345"; +my $user_domain = "$whoami\@local.host"; + +my $pid = open2(\*Reader, \*Writer, "../agents/secret\@here blah") + or die "failed to load secret\@here agent"; + +unless (-f (getpwuid($<))[7]."/.secret\@here") { + print STDERR "server: ". "no " .(getpwuid($<))[7]. "/.secret\@here file\n"; + die "no config file"; +} + +WriteBinaryPrompt(\*Writer, 0x02, "secret\@here/$user_domain|$cookie"); + +my ($control, $data) = ReadBinaryPrompt(\*Reader); + +print STDERR "server: ". "reply: control=$control, data=$data\n"; +if ($control != 1) { + die "expected 1 (OK) for the first agent reply; got $control"; +} +my ($seqid, $a_cookie) = split '\|', $data; + +# server needs to convince agent that it knows the secret before +# agent will give a valid response +my $secret = IdentifyLocalSecret($user_domain); +my $digest = CreateDigest($a_cookie."|".$cookie."|".$secret); + +print STDERR "server: ". "digest = $digest\n"; +WriteBinaryPrompt(\*Writer, 0x01, "$seqid|$digest"); + +# The agent will authenticate us and then reply with its +# authenticating digest. we check that before we're done. + +($control, $data) = ReadBinaryPrompt(\*Reader); +if ($control != 0x03) { + die "server: agent did not reply with a 'done' prompt ($control)\n"; +} + +unless ($data eq CreateDigest($secret."|".$cookie."|".$a_cookie)) { + die "server: agent is not authenticated\n"; +} + +print STDERR "server: agent appears to know secret\n"; + +my $session_authenticated_ticket + = CreateDigest($cookie."|".$secret."|".$a_cookie); + +print STDERR "server: should putenv(" + ."\"AUTH_SESSION_TICKET=$session_authenticated_ticket\")\n"; + +exit 0; + +sub CreateDigest ($) { + my ($data) = @_; + + my $pid = open2(\*MD5out, \*MD5in, "/usr/bin/md5sum -") + or die "you'll need /usr/bin/md5sum installed"; + + my $oldfd = select MD5in; $|=1; select $oldfd; + print MD5in "$data"; + close MD5in; + my $reply = ; + ($reply) = split /\s/, $reply; + print STDERR "server: ". "md5 said: <$reply>\n"; + close MD5out; + + return $reply; +} + +sub ReadBinaryPrompt ($) { + my ($fd) = @_; + + my $buffer = " "; + my $count = read($fd, $buffer, 5); + if ($count == 0) { + # no more packets to read + return (0, ""); + } + + if ($count != 5) { + # broken packet header + return (-1, ""); + } + + my ($length, $control) = unpack("N C", $buffer); + if ($length < 5) { + # broken packet length + return (-1, ""); + } + + my $data = ""; + $length -= 5; + while ($count = read($fd, $buffer, $length)) { + $data .= $buffer; + if ($count != $length) { + $length -= $count; + next; + } + + print STDERR "server: ". "data is [$data]\n"; + + return ($control, $data); + } + + # broken packet data + return (-1, ""); +} + +sub WriteBinaryPrompt ($$$) { + my ($fd, $control, $data) = @_; + + my $length = 5 + length($data); + printf STDERR "server: ". "{%d|0x%.2x|%s}\n", $length, $control, $data; + my $bp = pack("N C a*", $length, $control, $data); + print $fd $bp; + + print STDERR "server: ". "control passed to agent\@here\n"; +} + +sub IdentifyLocalSecret ($) { + my ($identifier) = @_; + my $secret; + + my $whoami = `/usr/bin/whoami` ; chomp $whoami; + if (open SECRETS, "< " .(getpwuid($<))[7]. "/.secret\@here") { + my $line; + while (defined ($line = )) { + my ($id, $sec) = split /[\s]/, $line; + if ((defined $id) && ($id eq $identifier)) { + $secret = $sec; + last; + } + } + close SECRETS; + } + + return $secret; +} diff --git a/m4/attribute.m4 b/m4/attribute.m4 new file mode 100644 index 0000000..3aa2e5f --- /dev/null +++ b/m4/attribute.m4 @@ -0,0 +1,16 @@ +#!/usr/bin/m4 +dnl Check for compiler attributes + +AC_DEFUN([PAM_ATTRIBUTE_UNUSED], [ + AC_CACHE_CHECK([for __attribute__((unused))], [pam_cv_attribute_unused], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([[int fun(int i __attribute__((unused)));]], + [[return fun(0);]])], + [pam_cv_attribute_unused=yes], + [pam_cv_attribute_unused=no])]) + AS_IF([test "$pam_cv_attribute_unused" = yes], + [unused='__attribute__((unused))'], + [unused=]) + AC_DEFINE_UNQUOTED([UNUSED], [$unused], + [Define if the compiler supports __attribute__((unused))]) +]) diff --git a/m4/gettext.m4 b/m4/gettext.m4 new file mode 100644 index 0000000..8d1f066 --- /dev/null +++ b/m4/gettext.m4 @@ -0,0 +1,401 @@ +# gettext.m4 serial 66 (gettext-0.18.2) +dnl Copyright (C) 1995-2013 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. +dnl +dnl This file can can be used in projects which are not available under +dnl the GNU General Public License or the GNU Library General Public +dnl License but which still want to provide support for the GNU gettext +dnl functionality. +dnl Please note that the actual code of the GNU gettext library is covered +dnl by the GNU Library General Public License, and the rest of the GNU +dnl gettext package package is covered by the GNU General Public License. +dnl They are *not* in the public domain. + +dnl Authors: +dnl Ulrich Drepper , 1995-2000. +dnl Bruno Haible , 2000-2006, 2008-2010. + +dnl Macro to add for using GNU gettext. + +dnl Usage: AM_GNU_GETTEXT([INTLSYMBOL], [NEEDSYMBOL], [INTLDIR]). +dnl INTLSYMBOL can be one of 'external', 'no-libtool', 'use-libtool'. The +dnl default (if it is not specified or empty) is 'no-libtool'. +dnl INTLSYMBOL should be 'external' for packages with no intl directory, +dnl and 'no-libtool' or 'use-libtool' for packages with an intl directory. +dnl If INTLSYMBOL is 'use-libtool', then a libtool library +dnl $(top_builddir)/intl/libintl.la will be created (shared and/or static, +dnl depending on --{enable,disable}-{shared,static} and on the presence of +dnl AM-DISABLE-SHARED). If INTLSYMBOL is 'no-libtool', a static library +dnl $(top_builddir)/intl/libintl.a will be created. +dnl If NEEDSYMBOL is specified and is 'need-ngettext', then GNU gettext +dnl implementations (in libc or libintl) without the ngettext() function +dnl will be ignored. If NEEDSYMBOL is specified and is +dnl 'need-formatstring-macros', then GNU gettext implementations that don't +dnl support the ISO C 99 formatstring macros will be ignored. +dnl INTLDIR is used to find the intl libraries. If empty, +dnl the value '$(top_builddir)/intl/' is used. +dnl +dnl The result of the configuration is one of three cases: +dnl 1) GNU gettext, as included in the intl subdirectory, will be compiled +dnl and used. +dnl Catalog format: GNU --> install in $(datadir) +dnl Catalog extension: .mo after installation, .gmo in source tree +dnl 2) GNU gettext has been found in the system's C library. +dnl Catalog format: GNU --> install in $(datadir) +dnl Catalog extension: .mo after installation, .gmo in source tree +dnl 3) No internationalization, always use English msgid. +dnl Catalog format: none +dnl Catalog extension: none +dnl If INTLSYMBOL is 'external', only cases 2 and 3 can occur. +dnl The use of .gmo is historical (it was needed to avoid overwriting the +dnl GNU format catalogs when building on a platform with an X/Open gettext), +dnl but we keep it in order not to force irrelevant filename changes on the +dnl maintainers. +dnl +AC_DEFUN([AM_GNU_GETTEXT], +[ + dnl Argument checking. + ifelse([$1], [], , [ifelse([$1], [external], , [ifelse([$1], [no-libtool], , [ifelse([$1], [use-libtool], , + [errprint([ERROR: invalid first argument to AM_GNU_GETTEXT +])])])])]) + ifelse(ifelse([$1], [], [old])[]ifelse([$1], [no-libtool], [old]), [old], + [AC_DIAGNOSE([obsolete], [Use of AM_GNU_GETTEXT without [external] argument is deprecated.])]) + ifelse([$2], [], , [ifelse([$2], [need-ngettext], , [ifelse([$2], [need-formatstring-macros], , + [errprint([ERROR: invalid second argument to AM_GNU_GETTEXT +])])])]) + define([gt_included_intl], + ifelse([$1], [external], + ifdef([AM_GNU_GETTEXT_][INTL_SUBDIR], [yes], [no]), + [yes])) + define([gt_libtool_suffix_prefix], ifelse([$1], [use-libtool], [l], [])) + gt_NEEDS_INIT + AM_GNU_GETTEXT_NEED([$2]) + + AC_REQUIRE([AM_PO_SUBDIRS])dnl + ifelse(gt_included_intl, yes, [ + AC_REQUIRE([AM_INTL_SUBDIR])dnl + ]) + + dnl Prerequisites of AC_LIB_LINKFLAGS_BODY. + AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) + AC_REQUIRE([AC_LIB_RPATH]) + + dnl Sometimes libintl requires libiconv, so first search for libiconv. + dnl Ideally we would do this search only after the + dnl if test "$USE_NLS" = "yes"; then + dnl if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" != "yes"; }; then + dnl tests. But if configure.in invokes AM_ICONV after AM_GNU_GETTEXT + dnl the configure script would need to contain the same shell code + dnl again, outside any 'if'. There are two solutions: + dnl - Invoke AM_ICONV_LINKFLAGS_BODY here, outside any 'if'. + dnl - Control the expansions in more detail using AC_PROVIDE_IFELSE. + dnl Since AC_PROVIDE_IFELSE is only in autoconf >= 2.52 and not + dnl documented, we avoid it. + ifelse(gt_included_intl, yes, , [ + AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY]) + ]) + + dnl Sometimes, on Mac OS X, libintl requires linking with CoreFoundation. + gt_INTL_MACOSX + + dnl Set USE_NLS. + AC_REQUIRE([AM_NLS]) + + ifelse(gt_included_intl, yes, [ + BUILD_INCLUDED_LIBINTL=no + USE_INCLUDED_LIBINTL=no + ]) + LIBINTL= + LTLIBINTL= + POSUB= + + dnl Add a version number to the cache macros. + case " $gt_needs " in + *" need-formatstring-macros "*) gt_api_version=3 ;; + *" need-ngettext "*) gt_api_version=2 ;; + *) gt_api_version=1 ;; + esac + gt_func_gnugettext_libc="gt_cv_func_gnugettext${gt_api_version}_libc" + gt_func_gnugettext_libintl="gt_cv_func_gnugettext${gt_api_version}_libintl" + + dnl If we use NLS figure out what method + if test "$USE_NLS" = "yes"; then + gt_use_preinstalled_gnugettext=no + ifelse(gt_included_intl, yes, [ + AC_MSG_CHECKING([whether included gettext is requested]) + AC_ARG_WITH([included-gettext], + [ --with-included-gettext use the GNU gettext library included here], + nls_cv_force_use_gnu_gettext=$withval, + nls_cv_force_use_gnu_gettext=no) + AC_MSG_RESULT([$nls_cv_force_use_gnu_gettext]) + + nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext" + if test "$nls_cv_force_use_gnu_gettext" != "yes"; then + ]) + dnl User does not insist on using GNU NLS library. Figure out what + dnl to use. If GNU gettext is available we use this. Else we have + dnl to fall back to GNU NLS library. + + if test $gt_api_version -ge 3; then + gt_revision_test_code=' +#ifndef __GNU_GETTEXT_SUPPORTED_REVISION +#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1) +#endif +changequote(,)dnl +typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1]; +changequote([,])dnl +' + else + gt_revision_test_code= + fi + if test $gt_api_version -ge 2; then + gt_expression_test_code=' + * ngettext ("", "", 0)' + else + gt_expression_test_code= + fi + + AC_CACHE_CHECK([for GNU gettext in libc], [$gt_func_gnugettext_libc], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include +$gt_revision_test_code +extern int _nl_msg_cat_cntr; +extern int *_nl_domain_bindings; + ]], + [[ +bindtextdomain ("", ""); +return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_domain_bindings + ]])], + [eval "$gt_func_gnugettext_libc=yes"], + [eval "$gt_func_gnugettext_libc=no"])]) + + if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" != "yes"; }; then + dnl Sometimes libintl requires libiconv, so first search for libiconv. + ifelse(gt_included_intl, yes, , [ + AM_ICONV_LINK + ]) + dnl Search for libintl and define LIBINTL, LTLIBINTL and INCINTL + dnl accordingly. Don't use AC_LIB_LINKFLAGS_BODY([intl],[iconv]) + dnl because that would add "-liconv" to LIBINTL and LTLIBINTL + dnl even if libiconv doesn't exist. + AC_LIB_LINKFLAGS_BODY([intl]) + AC_CACHE_CHECK([for GNU gettext in libintl], + [$gt_func_gnugettext_libintl], + [gt_save_CPPFLAGS="$CPPFLAGS" + CPPFLAGS="$CPPFLAGS $INCINTL" + gt_save_LIBS="$LIBS" + LIBS="$LIBS $LIBINTL" + dnl Now see whether libintl exists and does not depend on libiconv. + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include +$gt_revision_test_code +extern int _nl_msg_cat_cntr; +extern +#ifdef __cplusplus +"C" +#endif +const char *_nl_expand_alias (const char *); + ]], + [[ +bindtextdomain ("", ""); +return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_expand_alias ("") + ]])], + [eval "$gt_func_gnugettext_libintl=yes"], + [eval "$gt_func_gnugettext_libintl=no"]) + dnl Now see whether libintl exists and depends on libiconv. + if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" != yes; } && test -n "$LIBICONV"; then + LIBS="$LIBS $LIBICONV" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include +$gt_revision_test_code +extern int _nl_msg_cat_cntr; +extern +#ifdef __cplusplus +"C" +#endif +const char *_nl_expand_alias (const char *); + ]], + [[ +bindtextdomain ("", ""); +return * gettext ("")$gt_expression_test_code + _nl_msg_cat_cntr + *_nl_expand_alias ("") + ]])], + [LIBINTL="$LIBINTL $LIBICONV" + LTLIBINTL="$LTLIBINTL $LTLIBICONV" + eval "$gt_func_gnugettext_libintl=yes" + ]) + fi + CPPFLAGS="$gt_save_CPPFLAGS" + LIBS="$gt_save_LIBS"]) + fi + + dnl If an already present or preinstalled GNU gettext() is found, + dnl use it. But if this macro is used in GNU gettext, and GNU + dnl gettext is already preinstalled in libintl, we update this + dnl libintl. (Cf. the install rule in intl/Makefile.in.) + if { eval "gt_val=\$$gt_func_gnugettext_libc"; test "$gt_val" = "yes"; } \ + || { { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; } \ + && test "$PACKAGE" != gettext-runtime \ + && test "$PACKAGE" != gettext-tools; }; then + gt_use_preinstalled_gnugettext=yes + else + dnl Reset the values set by searching for libintl. + LIBINTL= + LTLIBINTL= + INCINTL= + fi + + ifelse(gt_included_intl, yes, [ + if test "$gt_use_preinstalled_gnugettext" != "yes"; then + dnl GNU gettext is not found in the C library. + dnl Fall back on included GNU gettext library. + nls_cv_use_gnu_gettext=yes + fi + fi + + if test "$nls_cv_use_gnu_gettext" = "yes"; then + dnl Mark actions used to generate GNU NLS library. + BUILD_INCLUDED_LIBINTL=yes + USE_INCLUDED_LIBINTL=yes + LIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LIBICONV $LIBTHREAD" + LTLIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LTLIBICONV $LTLIBTHREAD" + LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'` + fi + + CATOBJEXT= + if test "$gt_use_preinstalled_gnugettext" = "yes" \ + || test "$nls_cv_use_gnu_gettext" = "yes"; then + dnl Mark actions to use GNU gettext tools. + CATOBJEXT=.gmo + fi + ]) + + if test -n "$INTL_MACOSX_LIBS"; then + if test "$gt_use_preinstalled_gnugettext" = "yes" \ + || test "$nls_cv_use_gnu_gettext" = "yes"; then + dnl Some extra flags are needed during linking. + LIBINTL="$LIBINTL $INTL_MACOSX_LIBS" + LTLIBINTL="$LTLIBINTL $INTL_MACOSX_LIBS" + fi + fi + + if test "$gt_use_preinstalled_gnugettext" = "yes" \ + || test "$nls_cv_use_gnu_gettext" = "yes"; then + AC_DEFINE([ENABLE_NLS], [1], + [Define to 1 if translation of program messages to the user's native language + is requested.]) + else + USE_NLS=no + fi + fi + + AC_MSG_CHECKING([whether to use NLS]) + AC_MSG_RESULT([$USE_NLS]) + if test "$USE_NLS" = "yes"; then + AC_MSG_CHECKING([where the gettext function comes from]) + if test "$gt_use_preinstalled_gnugettext" = "yes"; then + if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; }; then + gt_source="external libintl" + else + gt_source="libc" + fi + else + gt_source="included intl directory" + fi + AC_MSG_RESULT([$gt_source]) + fi + + if test "$USE_NLS" = "yes"; then + + if test "$gt_use_preinstalled_gnugettext" = "yes"; then + if { eval "gt_val=\$$gt_func_gnugettext_libintl"; test "$gt_val" = "yes"; }; then + AC_MSG_CHECKING([how to link with libintl]) + AC_MSG_RESULT([$LIBINTL]) + AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCINTL]) + fi + + dnl For backward compatibility. Some packages may be using this. + AC_DEFINE([HAVE_GETTEXT], [1], + [Define if the GNU gettext() function is already present or preinstalled.]) + AC_DEFINE([HAVE_DCGETTEXT], [1], + [Define if the GNU dcgettext() function is already present or preinstalled.]) + fi + + dnl We need to process the po/ directory. + POSUB=po + fi + + ifelse(gt_included_intl, yes, [ + dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL + dnl to 'yes' because some of the testsuite requires it. + if test "$PACKAGE" = gettext-runtime || test "$PACKAGE" = gettext-tools; then + BUILD_INCLUDED_LIBINTL=yes + fi + + dnl Make all variables we use known to autoconf. + AC_SUBST([BUILD_INCLUDED_LIBINTL]) + AC_SUBST([USE_INCLUDED_LIBINTL]) + AC_SUBST([CATOBJEXT]) + + dnl For backward compatibility. Some configure.ins may be using this. + nls_cv_header_intl= + nls_cv_header_libgt= + + dnl For backward compatibility. Some Makefiles may be using this. + DATADIRNAME=share + AC_SUBST([DATADIRNAME]) + + dnl For backward compatibility. Some Makefiles may be using this. + INSTOBJEXT=.mo + AC_SUBST([INSTOBJEXT]) + + dnl For backward compatibility. Some Makefiles may be using this. + GENCAT=gencat + AC_SUBST([GENCAT]) + + dnl For backward compatibility. Some Makefiles may be using this. + INTLOBJS= + if test "$USE_INCLUDED_LIBINTL" = yes; then + INTLOBJS="\$(GETTOBJS)" + fi + AC_SUBST([INTLOBJS]) + + dnl Enable libtool support if the surrounding package wishes it. + INTL_LIBTOOL_SUFFIX_PREFIX=gt_libtool_suffix_prefix + AC_SUBST([INTL_LIBTOOL_SUFFIX_PREFIX]) + ]) + + dnl For backward compatibility. Some Makefiles may be using this. + INTLLIBS="$LIBINTL" + AC_SUBST([INTLLIBS]) + + dnl Make all documented variables known to autoconf. + AC_SUBST([LIBINTL]) + AC_SUBST([LTLIBINTL]) + AC_SUBST([POSUB]) +]) + + +dnl gt_NEEDS_INIT ensures that the gt_needs variable is initialized. +m4_define([gt_NEEDS_INIT], +[ + m4_divert_text([DEFAULTS], [gt_needs=]) + m4_define([gt_NEEDS_INIT], []) +]) + + +dnl Usage: AM_GNU_GETTEXT_NEED([NEEDSYMBOL]) +AC_DEFUN([AM_GNU_GETTEXT_NEED], +[ + m4_divert_text([INIT_PREPARE], [gt_needs="$gt_needs $1"]) +]) + + +dnl Usage: AM_GNU_GETTEXT_VERSION([gettext-version]) +AC_DEFUN([AM_GNU_GETTEXT_VERSION], []) diff --git a/m4/iconv.m4 b/m4/iconv.m4 new file mode 100644 index 0000000..a503646 --- /dev/null +++ b/m4/iconv.m4 @@ -0,0 +1,268 @@ +# iconv.m4 serial 18 (gettext-0.18.2) +dnl Copyright (C) 2000-2002, 2007-2013 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +AC_DEFUN([AM_ICONV_LINKFLAGS_BODY], +[ + dnl Prerequisites of AC_LIB_LINKFLAGS_BODY. + AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) + AC_REQUIRE([AC_LIB_RPATH]) + + dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV + dnl accordingly. + AC_LIB_LINKFLAGS_BODY([iconv]) +]) + +AC_DEFUN([AM_ICONV_LINK], +[ + dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and + dnl those with the standalone portable GNU libiconv installed). + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + + dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV + dnl accordingly. + AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY]) + + dnl Add $INCICONV to CPPFLAGS before performing the following checks, + dnl because if the user has installed libiconv and not disabled its use + dnl via --without-libiconv-prefix, he wants to use it. The first + dnl AC_LINK_IFELSE will then fail, the second AC_LINK_IFELSE will succeed. + am_save_CPPFLAGS="$CPPFLAGS" + AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV]) + + AC_CACHE_CHECK([for iconv], [am_cv_func_iconv], [ + am_cv_func_iconv="no, consider installing GNU libiconv" + am_cv_lib_iconv=no + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include +#include + ]], + [[iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd);]])], + [am_cv_func_iconv=yes]) + if test "$am_cv_func_iconv" != yes; then + am_save_LIBS="$LIBS" + LIBS="$LIBS $LIBICONV" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include +#include + ]], + [[iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd);]])], + [am_cv_lib_iconv=yes] + [am_cv_func_iconv=yes]) + LIBS="$am_save_LIBS" + fi + ]) + if test "$am_cv_func_iconv" = yes; then + AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [ + dnl This tests against bugs in AIX 5.1, AIX 6.1..7.1, HP-UX 11.11, + dnl Solaris 10. + am_save_LIBS="$LIBS" + if test $am_cv_lib_iconv = yes; then + LIBS="$LIBS $LIBICONV" + fi + AC_RUN_IFELSE( + [AC_LANG_SOURCE([[ +#include +#include +int main () +{ + int result = 0; + /* Test against AIX 5.1 bug: Failures are not distinguishable from successful + returns. */ + { + iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8"); + if (cd_utf8_to_88591 != (iconv_t)(-1)) + { + static const char input[] = "\342\202\254"; /* EURO SIGN */ + char buf[10]; + const char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_utf8_to_88591, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if (res == 0) + result |= 1; + iconv_close (cd_utf8_to_88591); + } + } + /* Test against Solaris 10 bug: Failures are not distinguishable from + successful returns. */ + { + iconv_t cd_ascii_to_88591 = iconv_open ("ISO8859-1", "646"); + if (cd_ascii_to_88591 != (iconv_t)(-1)) + { + static const char input[] = "\263"; + char buf[10]; + const char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_ascii_to_88591, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if (res == 0) + result |= 2; + iconv_close (cd_ascii_to_88591); + } + } + /* Test against AIX 6.1..7.1 bug: Buffer overrun. */ + { + iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1"); + if (cd_88591_to_utf8 != (iconv_t)(-1)) + { + static const char input[] = "\304"; + static char buf[2] = { (char)0xDE, (char)0xAD }; + const char *inptr = input; + size_t inbytesleft = 1; + char *outptr = buf; + size_t outbytesleft = 1; + size_t res = iconv (cd_88591_to_utf8, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if (res != (size_t)(-1) || outptr - buf > 1 || buf[1] != (char)0xAD) + result |= 4; + iconv_close (cd_88591_to_utf8); + } + } +#if 0 /* This bug could be worked around by the caller. */ + /* Test against HP-UX 11.11 bug: Positive return value instead of 0. */ + { + iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591"); + if (cd_88591_to_utf8 != (iconv_t)(-1)) + { + static const char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337"; + char buf[50]; + const char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_88591_to_utf8, + (char **) &inptr, &inbytesleft, + &outptr, &outbytesleft); + if ((int)res > 0) + result |= 8; + iconv_close (cd_88591_to_utf8); + } + } +#endif + /* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is + provided. */ + if (/* Try standardized names. */ + iconv_open ("UTF-8", "EUC-JP") == (iconv_t)(-1) + /* Try IRIX, OSF/1 names. */ + && iconv_open ("UTF-8", "eucJP") == (iconv_t)(-1) + /* Try AIX names. */ + && iconv_open ("UTF-8", "IBM-eucJP") == (iconv_t)(-1) + /* Try HP-UX names. */ + && iconv_open ("utf8", "eucJP") == (iconv_t)(-1)) + result |= 16; + return result; +}]])], + [am_cv_func_iconv_works=yes], + [am_cv_func_iconv_works=no], + [ +changequote(,)dnl + case "$host_os" in + aix* | hpux*) am_cv_func_iconv_works="guessing no" ;; + *) am_cv_func_iconv_works="guessing yes" ;; + esac +changequote([,])dnl + ]) + LIBS="$am_save_LIBS" + ]) + case "$am_cv_func_iconv_works" in + *no) am_func_iconv=no am_cv_lib_iconv=no ;; + *) am_func_iconv=yes ;; + esac + else + am_func_iconv=no am_cv_lib_iconv=no + fi + if test "$am_func_iconv" = yes; then + AC_DEFINE([HAVE_ICONV], [1], + [Define if you have the iconv() function and it works.]) + fi + if test "$am_cv_lib_iconv" = yes; then + AC_MSG_CHECKING([how to link with libiconv]) + AC_MSG_RESULT([$LIBICONV]) + else + dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV + dnl either. + CPPFLAGS="$am_save_CPPFLAGS" + LIBICONV= + LTLIBICONV= + fi + AC_SUBST([LIBICONV]) + AC_SUBST([LTLIBICONV]) +]) + +dnl Define AM_ICONV using AC_DEFUN_ONCE for Autoconf >= 2.64, in order to +dnl avoid warnings like +dnl "warning: AC_REQUIRE: `AM_ICONV' was expanded before it was required". +dnl This is tricky because of the way 'aclocal' is implemented: +dnl - It requires defining an auxiliary macro whose name ends in AC_DEFUN. +dnl Otherwise aclocal's initial scan pass would miss the macro definition. +dnl - It requires a line break inside the AC_DEFUN_ONCE and AC_DEFUN expansions. +dnl Otherwise aclocal would emit many "Use of uninitialized value $1" +dnl warnings. +m4_define([gl_iconv_AC_DEFUN], + m4_version_prereq([2.64], + [[AC_DEFUN_ONCE( + [$1], [$2])]], + [m4_ifdef([gl_00GNULIB], + [[AC_DEFUN_ONCE( + [$1], [$2])]], + [[AC_DEFUN( + [$1], [$2])]])])) +gl_iconv_AC_DEFUN([AM_ICONV], +[ + AM_ICONV_LINK + if test "$am_cv_func_iconv" = yes; then + AC_MSG_CHECKING([for iconv declaration]) + AC_CACHE_VAL([am_cv_proto_iconv], [ + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include +#include +extern +#ifdef __cplusplus +"C" +#endif +#if defined(__STDC__) || defined(_MSC_VER) || defined(__cplusplus) +size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft); +#else +size_t iconv(); +#endif + ]], + [[]])], + [am_cv_proto_iconv_arg1=""], + [am_cv_proto_iconv_arg1="const"]) + am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"]) + am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'` + AC_MSG_RESULT([ + $am_cv_proto_iconv]) + AC_DEFINE_UNQUOTED([ICONV_CONST], [$am_cv_proto_iconv_arg1], + [Define as const if the declaration of iconv() needs const.]) + dnl Also substitute ICONV_CONST in the gnulib generated . + m4_ifdef([gl_ICONV_H_DEFAULTS], + [AC_REQUIRE([gl_ICONV_H_DEFAULTS]) + if test -n "$am_cv_proto_iconv_arg1"; then + ICONV_CONST="const" + fi + ]) + fi +]) diff --git a/m4/intlmacosx.m4 b/m4/intlmacosx.m4 new file mode 100644 index 0000000..ab97d39 --- /dev/null +++ b/m4/intlmacosx.m4 @@ -0,0 +1,56 @@ +# intlmacosx.m4 serial 5 (gettext-0.18.2) +dnl Copyright (C) 2004-2013 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. +dnl +dnl This file can can be used in projects which are not available under +dnl the GNU General Public License or the GNU Library General Public +dnl License but which still want to provide support for the GNU gettext +dnl functionality. +dnl Please note that the actual code of the GNU gettext library is covered +dnl by the GNU Library General Public License, and the rest of the GNU +dnl gettext package package is covered by the GNU General Public License. +dnl They are *not* in the public domain. + +dnl Checks for special options needed on Mac OS X. +dnl Defines INTL_MACOSX_LIBS. +AC_DEFUN([gt_INTL_MACOSX], +[ + dnl Check for API introduced in Mac OS X 10.2. + AC_CACHE_CHECK([for CFPreferencesCopyAppValue], + [gt_cv_func_CFPreferencesCopyAppValue], + [gt_save_LIBS="$LIBS" + LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include ]], + [[CFPreferencesCopyAppValue(NULL, NULL)]])], + [gt_cv_func_CFPreferencesCopyAppValue=yes], + [gt_cv_func_CFPreferencesCopyAppValue=no]) + LIBS="$gt_save_LIBS"]) + if test $gt_cv_func_CFPreferencesCopyAppValue = yes; then + AC_DEFINE([HAVE_CFPREFERENCESCOPYAPPVALUE], [1], + [Define to 1 if you have the Mac OS X function CFPreferencesCopyAppValue in the CoreFoundation framework.]) + fi + dnl Check for API introduced in Mac OS X 10.3. + AC_CACHE_CHECK([for CFLocaleCopyCurrent], [gt_cv_func_CFLocaleCopyCurrent], + [gt_save_LIBS="$LIBS" + LIBS="$LIBS -Wl,-framework -Wl,CoreFoundation" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include ]], + [[CFLocaleCopyCurrent();]])], + [gt_cv_func_CFLocaleCopyCurrent=yes], + [gt_cv_func_CFLocaleCopyCurrent=no]) + LIBS="$gt_save_LIBS"]) + if test $gt_cv_func_CFLocaleCopyCurrent = yes; then + AC_DEFINE([HAVE_CFLOCALECOPYCURRENT], [1], + [Define to 1 if you have the Mac OS X function CFLocaleCopyCurrent in the CoreFoundation framework.]) + fi + INTL_MACOSX_LIBS= + if test $gt_cv_func_CFPreferencesCopyAppValue = yes || test $gt_cv_func_CFLocaleCopyCurrent = yes; then + INTL_MACOSX_LIBS="-Wl,-framework -Wl,CoreFoundation" + fi + AC_SUBST([INTL_MACOSX_LIBS]) +]) diff --git a/m4/jh_path_xml_catalog.m4 b/m4/jh_path_xml_catalog.m4 new file mode 100644 index 0000000..1f2eff3 --- /dev/null +++ b/m4/jh_path_xml_catalog.m4 @@ -0,0 +1,54 @@ +# Checks the location of the XML Catalog +# Usage: +# JH_PATH_XML_CATALOG([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +# Defines XMLCATALOG and XML_CATALOG_FILE substitutions +AC_DEFUN([JH_PATH_XML_CATALOG], +[ + # check for the presence of the XML catalog + AC_ARG_WITH([xml-catalog], + [AS_HELP_STRING([--with-xml-catalog=CATALOG], + [path to xml catalog to use])],, + [with_xml_catalog=/etc/xml/catalog]) + jh_found_xmlcatalog=true + XML_CATALOG_FILE="$with_xml_catalog" + AC_SUBST([XML_CATALOG_FILE]) + AC_MSG_CHECKING([for XML catalog ($XML_CATALOG_FILE)]) + if test -f "$XML_CATALOG_FILE"; then + AC_MSG_RESULT([found]) + else + jh_found_xmlcatalog=false + AC_MSG_RESULT([not found]) + fi + + # check for the xmlcatalog program + AC_PATH_PROG(XMLCATALOG, xmlcatalog, no) + if test "x$XMLCATALOG" = xno; then + jh_found_xmlcatalog=false + fi + + if $jh_found_xmlcatalog; then + ifelse([$1],,[:],[$1]) + else + ifelse([$2],,[AC_MSG_ERROR([could not find XML catalog])],[$2]) + fi +]) + +# Checks if a particular URI appears in the XML catalog +# Usage: +# JH_CHECK_XML_CATALOG(URI, [FRIENDLY-NAME], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +AC_DEFUN([JH_CHECK_XML_CATALOG], +[ + AC_REQUIRE([JH_PATH_XML_CATALOG],[JH_PATH_XML_CATALOG(,[:])])dnl + AC_MSG_CHECKING([for ifelse([$2],,[$1],[$2]) in XML catalog]) + if $jh_found_xmlcatalog && \ + AC_RUN_LOG([$XMLCATALOG --noout "$XML_CATALOG_FILE" "$1" >&2]); then + AC_MSG_RESULT([found]) + ifelse([$3],,,[$3 +])dnl + else + AC_MSG_RESULT([not found]) + ifelse([$4],, + [AC_MSG_ERROR([could not find ifelse([$2],,[$1],[$2]) in XML catalog])], + [$4]) + fi +]) diff --git a/m4/ld-O1.m4 b/m4/ld-O1.m4 new file mode 100644 index 0000000..6459328 --- /dev/null +++ b/m4/ld-O1.m4 @@ -0,0 +1,15 @@ +#!/usr/bin/m4 +dnl Check whether ld supports -O1 + +AC_DEFUN([PAM_LD_O1], [dnl + AC_CACHE_CHECK([whether ld supports -O1], + [pam_cv_ld_O1], + [saved_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -Wl,-O1" + AC_LINK_IFELSE([AC_LANG_PROGRAM(,)], + [pam_cv_ld_O1=yes], + [pam_cv_ld_O1=no]) + LDFLAGS="$saved_LDFLAGS"]) + AS_IF([test $pam_cv_ld_O1 = yes], + [LDFLAGS="$LDFLAGS -Wl,-O1"]) +]) diff --git a/m4/ld-as-needed.m4 b/m4/ld-as-needed.m4 new file mode 100644 index 0000000..d659019 --- /dev/null +++ b/m4/ld-as-needed.m4 @@ -0,0 +1,15 @@ +#!/usr/bin/m4 +dnl Check whether ld supports --as-needed + +AC_DEFUN([PAM_LD_AS_NEEDED], [dnl + AC_CACHE_CHECK([whether ld supports --as-needed], + [pam_cv_ld_as_needed], + [saved_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -Wl,--as-needed" + AC_LINK_IFELSE([AC_LANG_PROGRAM(,)], + [pam_cv_ld_as_needed=yes], + [pam_cv_ld_as_needed=no]) + LDFLAGS="$saved_LDFLAGS"]) + AS_IF([test $pam_cv_ld_as_needed = yes], + [LDFLAGS="$LDFLAGS -Wl,--as-needed"]) +]) diff --git a/m4/ld-no-undefined.m4 b/m4/ld-no-undefined.m4 new file mode 100644 index 0000000..6f342d0 --- /dev/null +++ b/m4/ld-no-undefined.m4 @@ -0,0 +1,15 @@ +#!/usr/bin/m4 +dnl Check whether ld supports --no-undefined + +AC_DEFUN([PAM_LD_NO_UNDEFINED], [dnl + AC_CACHE_CHECK([whether ld supports --no-undefined], + [pam_cv_ld_no_undefined], + [saved_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -Wl,--no-undefined" + AC_LINK_IFELSE([AC_LANG_PROGRAM(,)], + [pam_cv_ld_no_undefined=yes], + [pam_cv_ld_no_undefined=no]) + LDFLAGS="$saved_LDFLAGS"]) + AS_IF([test $pam_cv_ld_no_undefined = yes], + [LDFLAGS="$LDFLAGS -Wl,--no-undefined"]) +]) diff --git a/m4/ld-z-now.m4 b/m4/ld-z-now.m4 new file mode 100644 index 0000000..1bc8259 --- /dev/null +++ b/m4/ld-z-now.m4 @@ -0,0 +1,16 @@ +#!/usr/bin/m4 +dnl Check whether ld supports "-z now" + +AC_DEFUN([PAM_LD_Z_NOW], [dnl + AC_CACHE_CHECK([whether ld supports "-z now"], + [pam_cv_ld_z_now], + [saved_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS -Wl,-z,now" + AC_LINK_IFELSE([AC_LANG_PROGRAM(,)], + [pam_cv_ld_z_now=yes], + [pam_cv_ld_z_now=no]) + LDFLAGS="$saved_LDFLAGS"]) + AS_IF([test $pam_cv_ld_z_now = yes], + [ZNOW_LDFLAGS="-Wl,-z,now"], + [ZNOW_LDFLAGS=]) +]) diff --git a/m4/lib-ld.m4 b/m4/lib-ld.m4 new file mode 100644 index 0000000..c145e47 --- /dev/null +++ b/m4/lib-ld.m4 @@ -0,0 +1,119 @@ +# lib-ld.m4 serial 6 +dnl Copyright (C) 1996-2003, 2009-2013 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Subroutines of libtool.m4, +dnl with replacements s/_*LT_PATH/AC_LIB_PROG/ and s/lt_/acl_/ to avoid +dnl collision with libtool.m4. + +dnl From libtool-2.4. Sets the variable with_gnu_ld to yes or no. +AC_DEFUN([AC_LIB_PROG_LD_GNU], +[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], [acl_cv_prog_gnu_ld], +[# I'd rather use --version here, but apparently some GNU lds only accept -v. +case `$LD -v 2>&1 /dev/null 2>&1 \ + && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \ + || PATH_SEPARATOR=';' + } +fi + +ac_prog=ld +if test "$GCC" = yes; then + # Check if gcc -print-prog-name=ld gives a path. + AC_MSG_CHECKING([for ld used by $CC]) + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [[\\/]]* | ?:[[\\/]]*) + re_direlt='/[[^/]][[^/]]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`echo "$ac_prog"| sed 's%\\\\%/%g'` + while echo "$ac_prog" | grep "$re_direlt" > /dev/null 2>&1; do + ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` + done + test -z "$LD" && LD="$ac_prog" + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test "$with_gnu_ld" = yes; then + AC_MSG_CHECKING([for GNU ld]) +else + AC_MSG_CHECKING([for non-GNU ld]) +fi +AC_CACHE_VAL([acl_cv_path_LD], +[if test -z "$LD"; then + acl_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$acl_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + acl_cv_path_LD="$ac_dir/$ac_prog" + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$acl_cv_path_LD" -v 2>&1 = 1.10 to complain if config.rpath is missing. + m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([config.rpath])]) + AC_REQUIRE([AC_PROG_CC]) dnl we use $CC, $GCC, $LDFLAGS + AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD, $with_gnu_ld + AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host + AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir + AC_CACHE_CHECK([for shared library run path origin], [acl_cv_rpath], [ + CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \ + ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh + . ./conftest.sh + rm -f ./conftest.sh + acl_cv_rpath=done + ]) + wl="$acl_cv_wl" + acl_libext="$acl_cv_libext" + acl_shlibext="$acl_cv_shlibext" + acl_libname_spec="$acl_cv_libname_spec" + acl_library_names_spec="$acl_cv_library_names_spec" + acl_hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec" + acl_hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator" + acl_hardcode_direct="$acl_cv_hardcode_direct" + acl_hardcode_minus_L="$acl_cv_hardcode_minus_L" + dnl Determine whether the user wants rpath handling at all. + AC_ARG_ENABLE([rpath], + [ --disable-rpath do not hardcode runtime library paths], + :, enable_rpath=yes) +]) + +dnl AC_LIB_FROMPACKAGE(name, package) +dnl declares that libname comes from the given package. The configure file +dnl will then not have a --with-libname-prefix option but a +dnl --with-package-prefix option. Several libraries can come from the same +dnl package. This declaration must occur before an AC_LIB_LINKFLAGS or similar +dnl macro call that searches for libname. +AC_DEFUN([AC_LIB_FROMPACKAGE], +[ + pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) + define([acl_frompackage_]NAME, [$2]) + popdef([NAME]) + pushdef([PACK],[$2]) + pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) + define([acl_libsinpackage_]PACKUP, + m4_ifdef([acl_libsinpackage_]PACKUP, [m4_defn([acl_libsinpackage_]PACKUP)[, ]],)[lib$1]) + popdef([PACKUP]) + popdef([PACK]) +]) + +dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and +dnl the libraries corresponding to explicit and implicit dependencies. +dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables. +dnl Also, sets the LIB${NAME}_PREFIX variable to nonempty if libname was found +dnl in ${LIB${NAME}_PREFIX}/$acl_libdirstem. +AC_DEFUN([AC_LIB_LINKFLAGS_BODY], +[ + AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) + pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) + pushdef([PACK],[m4_ifdef([acl_frompackage_]NAME, [acl_frompackage_]NAME, lib[$1])]) + pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) + pushdef([PACKLIBS],[m4_ifdef([acl_frompackage_]NAME, [acl_libsinpackage_]PACKUP, lib[$1])]) + dnl Autoconf >= 2.61 supports dots in --with options. + pushdef([P_A_C_K],[m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.61]),[-1],[m4_translit(PACK,[.],[_])],PACK)]) + dnl By default, look in $includedir and $libdir. + use_additional=yes + AC_LIB_WITH_FINAL_PREFIX([ + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + ]) + AC_ARG_WITH(P_A_C_K[-prefix], +[[ --with-]]P_A_C_K[[-prefix[=DIR] search for ]PACKLIBS[ in DIR/include and DIR/lib + --without-]]P_A_C_K[[-prefix don't search for ]PACKLIBS[ in includedir and libdir]], +[ + if test "X$withval" = "Xno"; then + use_additional=no + else + if test "X$withval" = "X"; then + AC_LIB_WITH_FINAL_PREFIX([ + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + ]) + else + additional_includedir="$withval/include" + additional_libdir="$withval/$acl_libdirstem" + if test "$acl_libdirstem2" != "$acl_libdirstem" \ + && ! test -d "$withval/$acl_libdirstem"; then + additional_libdir="$withval/$acl_libdirstem2" + fi + fi + fi +]) + dnl Search the library and its dependencies in $additional_libdir and + dnl $LDFLAGS. Using breadth-first-seach. + LIB[]NAME= + LTLIB[]NAME= + INC[]NAME= + LIB[]NAME[]_PREFIX= + dnl HAVE_LIB${NAME} is an indicator that LIB${NAME}, LTLIB${NAME} have been + dnl computed. So it has to be reset here. + HAVE_LIB[]NAME= + rpathdirs= + ltrpathdirs= + names_already_handled= + names_next_round='$1 $2' + while test -n "$names_next_round"; do + names_this_round="$names_next_round" + names_next_round= + for name in $names_this_round; do + already_handled= + for n in $names_already_handled; do + if test "$n" = "$name"; then + already_handled=yes + break + fi + done + if test -z "$already_handled"; then + names_already_handled="$names_already_handled $name" + dnl See if it was already located by an earlier AC_LIB_LINKFLAGS + dnl or AC_LIB_HAVE_LINKFLAGS call. + uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./+-|ABCDEFGHIJKLMNOPQRSTUVWXYZ____|'` + eval value=\"\$HAVE_LIB$uppername\" + if test -n "$value"; then + if test "$value" = yes; then + eval value=\"\$LIB$uppername\" + test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value" + eval value=\"\$LTLIB$uppername\" + test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value" + else + dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined + dnl that this library doesn't exist. So just drop it. + : + fi + else + dnl Search the library lib$name in $additional_libdir and $LDFLAGS + dnl and the already constructed $LIBNAME/$LTLIBNAME. + found_dir= + found_la= + found_so= + found_a= + eval libname=\"$acl_libname_spec\" # typically: libname=lib$name + if test -n "$acl_shlibext"; then + shrext=".$acl_shlibext" # typically: shrext=.so + else + shrext= + fi + if test $use_additional = yes; then + dir="$additional_libdir" + dnl The same code as in the loop below: + dnl First look for a shared library. + if test -n "$acl_shlibext"; then + if test -f "$dir/$libname$shrext"; then + found_dir="$dir" + found_so="$dir/$libname$shrext" + else + if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then + ver=`(cd "$dir" && \ + for f in "$libname$shrext".*; do echo "$f"; done \ + | sed -e "s,^$libname$shrext\\\\.,," \ + | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ + | sed 1q ) 2>/dev/null` + if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then + found_dir="$dir" + found_so="$dir/$libname$shrext.$ver" + fi + else + eval library_names=\"$acl_library_names_spec\" + for f in $library_names; do + if test -f "$dir/$f"; then + found_dir="$dir" + found_so="$dir/$f" + break + fi + done + fi + fi + fi + dnl Then look for a static library. + if test "X$found_dir" = "X"; then + if test -f "$dir/$libname.$acl_libext"; then + found_dir="$dir" + found_a="$dir/$libname.$acl_libext" + fi + fi + if test "X$found_dir" != "X"; then + if test -f "$dir/$libname.la"; then + found_la="$dir/$libname.la" + fi + fi + fi + if test "X$found_dir" = "X"; then + for x in $LDFLAGS $LTLIB[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + case "$x" in + -L*) + dir=`echo "X$x" | sed -e 's/^X-L//'` + dnl First look for a shared library. + if test -n "$acl_shlibext"; then + if test -f "$dir/$libname$shrext"; then + found_dir="$dir" + found_so="$dir/$libname$shrext" + else + if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then + ver=`(cd "$dir" && \ + for f in "$libname$shrext".*; do echo "$f"; done \ + | sed -e "s,^$libname$shrext\\\\.,," \ + | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ + | sed 1q ) 2>/dev/null` + if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then + found_dir="$dir" + found_so="$dir/$libname$shrext.$ver" + fi + else + eval library_names=\"$acl_library_names_spec\" + for f in $library_names; do + if test -f "$dir/$f"; then + found_dir="$dir" + found_so="$dir/$f" + break + fi + done + fi + fi + fi + dnl Then look for a static library. + if test "X$found_dir" = "X"; then + if test -f "$dir/$libname.$acl_libext"; then + found_dir="$dir" + found_a="$dir/$libname.$acl_libext" + fi + fi + if test "X$found_dir" != "X"; then + if test -f "$dir/$libname.la"; then + found_la="$dir/$libname.la" + fi + fi + ;; + esac + if test "X$found_dir" != "X"; then + break + fi + done + fi + if test "X$found_dir" != "X"; then + dnl Found the library. + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name" + if test "X$found_so" != "X"; then + dnl Linking with a shared library. We attempt to hardcode its + dnl directory into the executable's runpath, unless it's the + dnl standard /usr/lib. + if test "$enable_rpath" = no \ + || test "X$found_dir" = "X/usr/$acl_libdirstem" \ + || test "X$found_dir" = "X/usr/$acl_libdirstem2"; then + dnl No hardcoding is needed. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" + else + dnl Use an explicit option to hardcode DIR into the resulting + dnl binary. + dnl Potentially add DIR to ltrpathdirs. + dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. + haveit= + for x in $ltrpathdirs; do + if test "X$x" = "X$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + ltrpathdirs="$ltrpathdirs $found_dir" + fi + dnl The hardcoding into $LIBNAME is system dependent. + if test "$acl_hardcode_direct" = yes; then + dnl Using DIR/libNAME.so during linking hardcodes DIR into the + dnl resulting binary. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" + else + if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then + dnl Use an explicit option to hardcode DIR into the resulting + dnl binary. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" + dnl Potentially add DIR to rpathdirs. + dnl The rpathdirs will be appended to $LIBNAME at the end. + haveit= + for x in $rpathdirs; do + if test "X$x" = "X$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + rpathdirs="$rpathdirs $found_dir" + fi + else + dnl Rely on "-L$found_dir". + dnl But don't add it if it's already contained in the LDFLAGS + dnl or the already constructed $LIBNAME + haveit= + for x in $LDFLAGS $LIB[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-L$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir" + fi + if test "$acl_hardcode_minus_L" != no; then + dnl FIXME: Not sure whether we should use + dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" + dnl here. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" + else + dnl We cannot use $acl_hardcode_runpath_var and LD_RUN_PATH + dnl here, because this doesn't fit in flags passed to the + dnl compiler. So give up. No hardcoding. This affects only + dnl very old systems. + dnl FIXME: Not sure whether we should use + dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" + dnl here. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" + fi + fi + fi + fi + else + if test "X$found_a" != "X"; then + dnl Linking with a static library. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a" + else + dnl We shouldn't come here, but anyway it's good to have a + dnl fallback. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name" + fi + fi + dnl Assume the include files are nearby. + additional_includedir= + case "$found_dir" in + */$acl_libdirstem | */$acl_libdirstem/) + basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'` + if test "$name" = '$1'; then + LIB[]NAME[]_PREFIX="$basedir" + fi + additional_includedir="$basedir/include" + ;; + */$acl_libdirstem2 | */$acl_libdirstem2/) + basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem2/"'*$,,'` + if test "$name" = '$1'; then + LIB[]NAME[]_PREFIX="$basedir" + fi + additional_includedir="$basedir/include" + ;; + esac + if test "X$additional_includedir" != "X"; then + dnl Potentially add $additional_includedir to $INCNAME. + dnl But don't add it + dnl 1. if it's the standard /usr/include, + dnl 2. if it's /usr/local/include and we are using GCC on Linux, + dnl 3. if it's already present in $CPPFLAGS or the already + dnl constructed $INCNAME, + dnl 4. if it doesn't exist as a directory. + if test "X$additional_includedir" != "X/usr/include"; then + haveit= + if test "X$additional_includedir" = "X/usr/local/include"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + for x in $CPPFLAGS $INC[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-I$additional_includedir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_includedir"; then + dnl Really add $additional_includedir to $INCNAME. + INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir" + fi + fi + fi + fi + fi + dnl Look for dependencies. + if test -n "$found_la"; then + dnl Read the .la file. It defines the variables + dnl dlname, library_names, old_library, dependency_libs, current, + dnl age, revision, installed, dlopen, dlpreopen, libdir. + save_libdir="$libdir" + case "$found_la" in + */* | *\\*) . "$found_la" ;; + *) . "./$found_la" ;; + esac + libdir="$save_libdir" + dnl We use only dependency_libs. + for dep in $dependency_libs; do + case "$dep" in + -L*) + additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'` + dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME. + dnl But don't add it + dnl 1. if it's the standard /usr/lib, + dnl 2. if it's /usr/local/lib and we are using GCC on Linux, + dnl 3. if it's already present in $LDFLAGS or the already + dnl constructed $LIBNAME, + dnl 4. if it doesn't exist as a directory. + if test "X$additional_libdir" != "X/usr/$acl_libdirstem" \ + && test "X$additional_libdir" != "X/usr/$acl_libdirstem2"; then + haveit= + if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem" \ + || test "X$additional_libdir" = "X/usr/local/$acl_libdirstem2"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + haveit= + for x in $LDFLAGS $LIB[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + dnl Really add $additional_libdir to $LIBNAME. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir" + fi + fi + haveit= + for x in $LDFLAGS $LTLIB[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + dnl Really add $additional_libdir to $LTLIBNAME. + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir" + fi + fi + fi + fi + ;; + -R*) + dir=`echo "X$dep" | sed -e 's/^X-R//'` + if test "$enable_rpath" != no; then + dnl Potentially add DIR to rpathdirs. + dnl The rpathdirs will be appended to $LIBNAME at the end. + haveit= + for x in $rpathdirs; do + if test "X$x" = "X$dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + rpathdirs="$rpathdirs $dir" + fi + dnl Potentially add DIR to ltrpathdirs. + dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. + haveit= + for x in $ltrpathdirs; do + if test "X$x" = "X$dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + ltrpathdirs="$ltrpathdirs $dir" + fi + fi + ;; + -l*) + dnl Handle this in the next round. + names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'` + ;; + *.la) + dnl Handle this in the next round. Throw away the .la's + dnl directory; it is already contained in a preceding -L + dnl option. + names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'` + ;; + *) + dnl Most likely an immediate library name. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep" + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep" + ;; + esac + done + fi + else + dnl Didn't find the library; assume it is in the system directories + dnl known to the linker and runtime loader. (All the system + dnl directories known to the linker should also be known to the + dnl runtime loader, otherwise the system is severely misconfigured.) + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name" + fi + fi + fi + done + done + if test "X$rpathdirs" != "X"; then + if test -n "$acl_hardcode_libdir_separator"; then + dnl Weird platform: only the last -rpath option counts, the user must + dnl pass all path elements in one option. We can arrange that for a + dnl single library, but not when more than one $LIBNAMEs are used. + alldirs= + for found_dir in $rpathdirs; do + alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir" + done + dnl Note: acl_hardcode_libdir_flag_spec uses $libdir and $wl. + acl_save_libdir="$libdir" + libdir="$alldirs" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" + else + dnl The -rpath options are cumulative. + for found_dir in $rpathdirs; do + acl_save_libdir="$libdir" + libdir="$found_dir" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" + done + fi + fi + if test "X$ltrpathdirs" != "X"; then + dnl When using libtool, the option that works for both libraries and + dnl executables is -R. The -R options are cumulative. + for found_dir in $ltrpathdirs; do + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir" + done + fi + popdef([P_A_C_K]) + popdef([PACKLIBS]) + popdef([PACKUP]) + popdef([PACK]) + popdef([NAME]) +]) + +dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR, +dnl unless already present in VAR. +dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes +dnl contains two or three consecutive elements that belong together. +AC_DEFUN([AC_LIB_APPENDTOVAR], +[ + for element in [$2]; do + haveit= + for x in $[$1]; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X$element"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + [$1]="${[$1]}${[$1]:+ }$element" + fi + done +]) + +dnl For those cases where a variable contains several -L and -l options +dnl referring to unknown libraries and directories, this macro determines the +dnl necessary additional linker options for the runtime path. +dnl AC_LIB_LINKFLAGS_FROM_LIBS([LDADDVAR], [LIBSVALUE], [USE-LIBTOOL]) +dnl sets LDADDVAR to linker options needed together with LIBSVALUE. +dnl If USE-LIBTOOL evaluates to non-empty, linking with libtool is assumed, +dnl otherwise linking without libtool is assumed. +AC_DEFUN([AC_LIB_LINKFLAGS_FROM_LIBS], +[ + AC_REQUIRE([AC_LIB_RPATH]) + AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) + $1= + if test "$enable_rpath" != no; then + if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then + dnl Use an explicit option to hardcode directories into the resulting + dnl binary. + rpathdirs= + next= + for opt in $2; do + if test -n "$next"; then + dir="$next" + dnl No need to hardcode the standard /usr/lib. + if test "X$dir" != "X/usr/$acl_libdirstem" \ + && test "X$dir" != "X/usr/$acl_libdirstem2"; then + rpathdirs="$rpathdirs $dir" + fi + next= + else + case $opt in + -L) next=yes ;; + -L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'` + dnl No need to hardcode the standard /usr/lib. + if test "X$dir" != "X/usr/$acl_libdirstem" \ + && test "X$dir" != "X/usr/$acl_libdirstem2"; then + rpathdirs="$rpathdirs $dir" + fi + next= ;; + *) next= ;; + esac + fi + done + if test "X$rpathdirs" != "X"; then + if test -n ""$3""; then + dnl libtool is used for linking. Use -R options. + for dir in $rpathdirs; do + $1="${$1}${$1:+ }-R$dir" + done + else + dnl The linker is used for linking directly. + if test -n "$acl_hardcode_libdir_separator"; then + dnl Weird platform: only the last -rpath option counts, the user + dnl must pass all path elements in one option. + alldirs= + for dir in $rpathdirs; do + alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$dir" + done + acl_save_libdir="$libdir" + libdir="$alldirs" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + $1="$flag" + else + dnl The -rpath options are cumulative. + for dir in $rpathdirs; do + acl_save_libdir="$libdir" + libdir="$dir" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + $1="${$1}${$1:+ }$flag" + done + fi + fi + fi + fi + fi + AC_SUBST([$1]) +]) diff --git a/m4/lib-prefix.m4 b/m4/lib-prefix.m4 new file mode 100644 index 0000000..60908e8 --- /dev/null +++ b/m4/lib-prefix.m4 @@ -0,0 +1,224 @@ +# lib-prefix.m4 serial 7 (gettext-0.18) +dnl Copyright (C) 2001-2005, 2008-2013 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +dnl AC_LIB_ARG_WITH is synonymous to AC_ARG_WITH in autoconf-2.13, and +dnl similar to AC_ARG_WITH in autoconf 2.52...2.57 except that is doesn't +dnl require excessive bracketing. +ifdef([AC_HELP_STRING], +[AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[[$2]],[$3],[$4])])], +[AC_DEFUN([AC_][LIB_ARG_WITH], [AC_ARG_WITH([$1],[$2],[$3],[$4])])]) + +dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed +dnl to access previously installed libraries. The basic assumption is that +dnl a user will want packages to use other packages he previously installed +dnl with the same --prefix option. +dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate +dnl libraries, but is otherwise very convenient. +AC_DEFUN([AC_LIB_PREFIX], +[ + AC_BEFORE([$0], [AC_LIB_LINKFLAGS]) + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) + AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) + dnl By default, look in $includedir and $libdir. + use_additional=yes + AC_LIB_WITH_FINAL_PREFIX([ + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + ]) + AC_LIB_ARG_WITH([lib-prefix], +[ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib + --without-lib-prefix don't search for libraries in includedir and libdir], +[ + if test "X$withval" = "Xno"; then + use_additional=no + else + if test "X$withval" = "X"; then + AC_LIB_WITH_FINAL_PREFIX([ + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + ]) + else + additional_includedir="$withval/include" + additional_libdir="$withval/$acl_libdirstem" + fi + fi +]) + if test $use_additional = yes; then + dnl Potentially add $additional_includedir to $CPPFLAGS. + dnl But don't add it + dnl 1. if it's the standard /usr/include, + dnl 2. if it's already present in $CPPFLAGS, + dnl 3. if it's /usr/local/include and we are using GCC on Linux, + dnl 4. if it doesn't exist as a directory. + if test "X$additional_includedir" != "X/usr/include"; then + haveit= + for x in $CPPFLAGS; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-I$additional_includedir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test "X$additional_includedir" = "X/usr/local/include"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + if test -d "$additional_includedir"; then + dnl Really add $additional_includedir to $CPPFLAGS. + CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir" + fi + fi + fi + fi + dnl Potentially add $additional_libdir to $LDFLAGS. + dnl But don't add it + dnl 1. if it's the standard /usr/lib, + dnl 2. if it's already present in $LDFLAGS, + dnl 3. if it's /usr/local/lib and we are using GCC on Linux, + dnl 4. if it doesn't exist as a directory. + if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then + haveit= + for x in $LDFLAGS; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then + if test -n "$GCC"; then + case $host_os in + linux*) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + dnl Really add $additional_libdir to $LDFLAGS. + LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir" + fi + fi + fi + fi + fi +]) + +dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix, +dnl acl_final_exec_prefix, containing the values to which $prefix and +dnl $exec_prefix will expand at the end of the configure script. +AC_DEFUN([AC_LIB_PREPARE_PREFIX], +[ + dnl Unfortunately, prefix and exec_prefix get only finally determined + dnl at the end of configure. + if test "X$prefix" = "XNONE"; then + acl_final_prefix="$ac_default_prefix" + else + acl_final_prefix="$prefix" + fi + if test "X$exec_prefix" = "XNONE"; then + acl_final_exec_prefix='${prefix}' + else + acl_final_exec_prefix="$exec_prefix" + fi + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + eval acl_final_exec_prefix=\"$acl_final_exec_prefix\" + prefix="$acl_save_prefix" +]) + +dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the +dnl variables prefix and exec_prefix bound to the values they will have +dnl at the end of the configure script. +AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX], +[ + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + $1 + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" +]) + +dnl AC_LIB_PREPARE_MULTILIB creates +dnl - a variable acl_libdirstem, containing the basename of the libdir, either +dnl "lib" or "lib64" or "lib/64", +dnl - a variable acl_libdirstem2, as a secondary possible value for +dnl acl_libdirstem, either the same as acl_libdirstem or "lib/sparcv9" or +dnl "lib/amd64". +AC_DEFUN([AC_LIB_PREPARE_MULTILIB], +[ + dnl There is no formal standard regarding lib and lib64. + dnl On glibc systems, the current practice is that on a system supporting + dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under + dnl $prefix/lib64 and 32-bit libraries go under $prefix/lib. We determine + dnl the compiler's default mode by looking at the compiler's library search + dnl path. If at least one of its elements ends in /lib64 or points to a + dnl directory whose absolute pathname ends in /lib64, we assume a 64-bit ABI. + dnl Otherwise we use the default, namely "lib". + dnl On Solaris systems, the current practice is that on a system supporting + dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under + dnl $prefix/lib/64 (which is a symlink to either $prefix/lib/sparcv9 or + dnl $prefix/lib/amd64) and 32-bit libraries go under $prefix/lib. + AC_REQUIRE([AC_CANONICAL_HOST]) + acl_libdirstem=lib + acl_libdirstem2= + case "$host_os" in + solaris*) + dnl See Solaris 10 Software Developer Collection > Solaris 64-bit Developer's Guide > The Development Environment + dnl . + dnl "Portable Makefiles should refer to any library directories using the 64 symbolic link." + dnl But we want to recognize the sparcv9 or amd64 subdirectory also if the + dnl symlink is missing, so we set acl_libdirstem2 too. + AC_CACHE_CHECK([for 64-bit host], [gl_cv_solaris_64bit], + [AC_EGREP_CPP([sixtyfour bits], [ +#ifdef _LP64 +sixtyfour bits +#endif + ], [gl_cv_solaris_64bit=yes], [gl_cv_solaris_64bit=no]) + ]) + if test $gl_cv_solaris_64bit = yes; then + acl_libdirstem=lib/64 + case "$host_cpu" in + sparc*) acl_libdirstem2=lib/sparcv9 ;; + i*86 | x86_64) acl_libdirstem2=lib/amd64 ;; + esac + fi + ;; + *) + searchpath=`(LC_ALL=C $CC -print-search-dirs) 2>/dev/null | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'` + if test -n "$searchpath"; then + acl_save_IFS="${IFS= }"; IFS=":" + for searchdir in $searchpath; do + if test -d "$searchdir"; then + case "$searchdir" in + */lib64/ | */lib64 ) acl_libdirstem=lib64 ;; + */../ | */.. ) + # Better ignore directories of this form. They are misleading. + ;; + *) searchdir=`cd "$searchdir" && pwd` + case "$searchdir" in + */lib64 ) acl_libdirstem=lib64 ;; + esac ;; + esac + fi + done + IFS="$acl_save_IFS" + fi + ;; + esac + test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem" +]) diff --git a/m4/libprelude.m4 b/m4/libprelude.m4 new file mode 100644 index 0000000..d6a1efd --- /dev/null +++ b/m4/libprelude.m4 @@ -0,0 +1,181 @@ +dnl Autoconf macros for libprelude +dnl $id$ + +# Modified for LIBPRELUDE -- Yoann Vandoorselaere +# Modified for LIBGNUTLS -- nmav +# Configure paths for LIBGCRYPT +# Shamelessly stolen from the one of XDELTA by Owen Taylor +# Werner Koch 99-12-09 + +dnl AM_PATH_LIBPRELUDE([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]]) +dnl Test for libprelude, and define LIBPRELUDE_PREFIX, LIBPRELUDE_CFLAGS, LIBPRELUDE_PTHREAD_CFLAGS, +dnl LIBPRELUDE_LDFLAGS, and LIBPRELUDE_LIBS +dnl +AC_DEFUN([AM_PATH_LIBPRELUDE], +[dnl +dnl Get the cflags and libraries from the libprelude-config script +dnl +AC_ARG_WITH(libprelude-prefix, [AS_HELP_STRING([--with-libprelude-prefix=PFX], + [Prefix where libprelude is installed (optional)])], + libprelude_config_prefix="$withval", libprelude_config_prefix="") + + if test x$libprelude_config_prefix != x ; then + if test x${LIBPRELUDE_CONFIG+set} != xset ; then + LIBPRELUDE_CONFIG=$libprelude_config_prefix/bin/libprelude-config + fi + fi + + AC_PATH_PROG(LIBPRELUDE_CONFIG, libprelude-config, no) + min_libprelude_version=ifelse([$1], ,0.1.0,$1) + AC_MSG_CHECKING(for libprelude - version >= $min_libprelude_version) + no_libprelude="" + if test "$LIBPRELUDE_CONFIG" = "no" ; then + no_libprelude=yes + else + LIBPRELUDE_CFLAGS=`$LIBPRELUDE_CONFIG $libprelude_config_args --cflags` + LIBPRELUDE_PTHREAD_CFLAGS=`$LIBPRELUDE_CONFIG $libprelude_config_args --pthread-cflags` + LIBPRELUDE_LDFLAGS=`$LIBPRELUDE_CONFIG $libprelude_config_args --ldflags` + LIBPRELUDE_LIBS=`$LIBPRELUDE_CONFIG $libprelude_config_args --libs` + LIBPRELUDE_PREFIX=`$LIBPRELUDE_CONFIG $libprelude_config_args --prefix` + LIBPRELUDE_CONFIG_PREFIX=`$LIBPRELUDE_CONFIG $libprelude_config_args --config-prefix` + libprelude_config_version=`$LIBPRELUDE_CONFIG $libprelude_config_args --version` + + + ac_save_CFLAGS="$CFLAGS" + ac_save_LDFLAGS="$LDFLAGS" + ac_save_LIBS="$LIBS" + CFLAGS="$CFLAGS $LIBPRELUDE_CFLAGS" + LDFLAGS="$LDFLAGS $LIBPRELUDE_LDFLAGS" + LIBS="$LIBS $LIBPRELUDE_LIBS" +dnl +dnl Now check if the installed libprelude is sufficiently new. Also sanity +dnl checks the results of libprelude-config to some extent +dnl + rm -f conf.libpreludetest + AC_RUN_IFELSE([ + AC_LANG_SOURCE([[ +#include +#include +#include +#include + +int +main () +{ + system ("touch conf.libpreludetest"); + + if( strcmp( prelude_check_version(NULL), "$libprelude_config_version" ) ) + { + printf("\n*** 'libprelude-config --version' returned %s, but LIBPRELUDE (%s)\n", + "$libprelude_config_version", prelude_check_version(NULL) ); + printf("*** was found! If libprelude-config was correct, then it is best\n"); + printf("*** to remove the old version of LIBPRELUDE. You may also be able to fix the error\n"); + printf("*** by modifying your LD_LIBRARY_PATH environment variable, or by editing\n"); + printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n"); + printf("*** required on your system.\n"); + printf("*** If libprelude-config was wrong, set the environment variable LIBPRELUDE_CONFIG\n"); + printf("*** to point to the correct copy of libprelude-config, and remove the file config.cache\n"); + printf("*** before re-running configure\n"); + } + else if ( strcmp(prelude_check_version(NULL), LIBPRELUDE_VERSION ) ) + { + printf("\n*** LIBPRELUDE header file (version %s) does not match\n", LIBPRELUDE_VERSION); + printf("*** library (version %s)\n", prelude_check_version(NULL) ); + } + else + { + if ( prelude_check_version( "$min_libprelude_version" ) ) + { + return 0; + } + else + { + printf("no\n*** An old version of LIBPRELUDE (%s) was found.\n", + prelude_check_version(NULL) ); + printf("*** You need a version of LIBPRELUDE newer than %s. The latest version of\n", + "$min_libprelude_version" ); + printf("*** LIBPRELUDE is always available from http://www.prelude-ids.org/download/releases.\n"); + printf("*** \n"); + printf("*** If you have already installed a sufficiently new version, this error\n"); + printf("*** probably means that the wrong copy of the libprelude-config shell script is\n"); + printf("*** being found. The easiest way to fix this is to remove the old version\n"); + printf("*** of LIBPRELUDE, but you can also set the LIBPRELUDE_CONFIG environment to point to the\n"); + printf("*** correct copy of libprelude-config. (In this case, you will have to\n"); + printf("*** modify your LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf\n"); + printf("*** so that the correct libraries are found at run-time))\n"); + } + } + return 1; +} +]])],[],[no_libprelude=yes],[echo $ac_n "cross compiling; assumed OK... $ac_c"]) + CFLAGS="$ac_save_CFLAGS" + LIBS="$ac_save_LIBS" + LDFLAGS="$ac_save_LDFLAGS" + fi + + if test "x$no_libprelude" = x ; then + AC_MSG_RESULT(yes) + ifelse([$2], , :, [$2]) + else + if test -f conf.libpreludetest ; then + : + else + AC_MSG_RESULT(no) + fi + if test "$LIBPRELUDE_CONFIG" = "no" ; then + if test x$libprelude_config_prefix != x ; then + echo "*** The libprelude-config script installed by LIBPRELUDE could not be found" + echo "*** If LIBPRELUDE was installed in PREFIX, make sure PREFIX/bin is in" + echo "*** your path, or set the LIBPRELUDE_CONFIG environment variable to the" + echo "*** full path to libprelude-config." + fi + else + if test -f conf.libpreludetest ; then + : + else + echo "*** Could not run libprelude test program, checking why..." + CFLAGS="$CFLAGS $LIBPRELUDE_CFLAGS" + LDFLAGS="$LDFLAGS $LIBPRELUDE_LDFLAGS" + LIBS="$LIBS $LIBPRELUDE_LIBS" + AC_LINK_IFELSE([ + AC_LANG_PROGRAM([[ +#include +#include +#include +#include +]], + [[ return !!prelude_check_version(NULL); ]])], + [ echo "*** The test program compiled, but did not run. This usually means" + echo "*** that the run-time linker is not finding LIBPRELUDE or finding the wrong" + echo "*** version of LIBPRELUDE. If it is not finding LIBPRELUDE, you'll need to set your" + echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" + echo "*** to the installed location Also, make sure you have run ldconfig if that" + echo "*** is required on your system" + echo "***" + echo "*** If you have an old version installed, it is best to remove it, although" + echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" + echo "***" ], + [ echo "*** The test program failed to compile or link. See the file config.log for the" + echo "*** exact error that occurred. This usually means LIBPRELUDE was incorrectly installed" + echo "*** or that you have moved LIBPRELUDE since it was installed. In the latter case, you" + echo "*** may want to edit the libprelude-config script: $LIBPRELUDE_CONFIG" ]) + CFLAGS="$ac_save_CFLAGS" + LDFLAGS="$ac_save_LDFLAGS" + LIBS="$ac_save_LIBS" + fi + fi + LIBPRELUDE_CFLAGS="" + LIBPRELUDE_LDFLAGS="" + LIBPRELUDE_LIBS="" + ifelse([$3], , :, [$3]) + fi + rm -f conf.libpreludetest + AC_SUBST(LIBPRELUDE_CFLAGS) + AC_SUBST(LIBPRELUDE_PTHREAD_CFLAGS) + AC_SUBST(LIBPRELUDE_LDFLAGS) + AC_SUBST(LIBPRELUDE_LIBS) + AC_SUBST(LIBPRELUDE_PREFIX) + AC_SUBST(LIBPRELUDE_CONFIG_PREFIX) +]) + +dnl *-*wedit:notab*-* Please keep this as the last line. diff --git a/m4/libtool.m4 b/m4/libtool.m4 new file mode 100644 index 0000000..4e8b0e9 --- /dev/null +++ b/m4/libtool.m4 @@ -0,0 +1,8424 @@ +# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*- +# +# Copyright (C) 1996-2001, 2003-2019 Free Software Foundation, Inc. +# Written by Gordon Matzigkeit, 1996 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +m4_define([_LT_COPYING], [dnl +# Copyright (C) 2014 Free Software Foundation, Inc. +# This is free software; see the source for copying conditions. There is NO +# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + +# GNU Libtool is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of of the License, or +# (at your option) any later version. +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program or library that is built +# using GNU Libtool, you may include this file under the same +# distribution terms that you use for the rest of that program. +# +# GNU Libtool is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . +]) + +# serial 58 LT_INIT + + +# LT_PREREQ(VERSION) +# ------------------ +# Complain and exit if this libtool version is less that VERSION. +m4_defun([LT_PREREQ], +[m4_if(m4_version_compare(m4_defn([LT_PACKAGE_VERSION]), [$1]), -1, + [m4_default([$3], + [m4_fatal([Libtool version $1 or higher is required], + 63)])], + [$2])]) + + +# _LT_CHECK_BUILDDIR +# ------------------ +# Complain if the absolute build directory name contains unusual characters +m4_defun([_LT_CHECK_BUILDDIR], +[case `pwd` in + *\ * | *\ *) + AC_MSG_WARN([Libtool does not cope well with whitespace in `pwd`]) ;; +esac +]) + + +# LT_INIT([OPTIONS]) +# ------------------ +AC_DEFUN([LT_INIT], +[AC_PREREQ([2.62])dnl We use AC_PATH_PROGS_FEATURE_CHECK +AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl +AC_BEFORE([$0], [LT_LANG])dnl +AC_BEFORE([$0], [LT_OUTPUT])dnl +AC_BEFORE([$0], [LTDL_INIT])dnl +m4_require([_LT_CHECK_BUILDDIR])dnl + +dnl Autoconf doesn't catch unexpanded LT_ macros by default: +m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl +m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl +dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4 +dnl unless we require an AC_DEFUNed macro: +AC_REQUIRE([LTOPTIONS_VERSION])dnl +AC_REQUIRE([LTSUGAR_VERSION])dnl +AC_REQUIRE([LTVERSION_VERSION])dnl +AC_REQUIRE([LTOBSOLETE_VERSION])dnl +m4_require([_LT_PROG_LTMAIN])dnl + +_LT_SHELL_INIT([SHELL=${CONFIG_SHELL-/bin/sh}]) + +dnl Parse OPTIONS +_LT_SET_OPTIONS([$0], [$1]) + +# This can be used to rebuild libtool when needed +LIBTOOL_DEPS=$ltmain + +# Always use our own libtool. +LIBTOOL='$(SHELL) $(top_builddir)/libtool' +AC_SUBST(LIBTOOL)dnl + +_LT_SETUP + +# Only expand once: +m4_define([LT_INIT]) +])# LT_INIT + +# Old names: +AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT]) +AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_PROG_LIBTOOL], []) +dnl AC_DEFUN([AM_PROG_LIBTOOL], []) + + +# _LT_PREPARE_CC_BASENAME +# ----------------------- +m4_defun([_LT_PREPARE_CC_BASENAME], [ +# Calculate cc_basename. Skip known compiler wrappers and cross-prefix. +func_cc_basename () +{ + for cc_temp in @S|@*""; do + case $cc_temp in + compile | *[[\\/]]compile | ccache | *[[\\/]]ccache ) ;; + distcc | *[[\\/]]distcc | purify | *[[\\/]]purify ) ;; + \-*) ;; + *) break;; + esac + done + func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"` +} +])# _LT_PREPARE_CC_BASENAME + + +# _LT_CC_BASENAME(CC) +# ------------------- +# It would be clearer to call AC_REQUIREs from _LT_PREPARE_CC_BASENAME, +# but that macro is also expanded into generated libtool script, which +# arranges for $SED and $ECHO to be set by different means. +m4_defun([_LT_CC_BASENAME], +[m4_require([_LT_PREPARE_CC_BASENAME])dnl +AC_REQUIRE([_LT_DECL_SED])dnl +AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl +func_cc_basename $1 +cc_basename=$func_cc_basename_result +]) + + +# _LT_FILEUTILS_DEFAULTS +# ---------------------- +# It is okay to use these file commands and assume they have been set +# sensibly after 'm4_require([_LT_FILEUTILS_DEFAULTS])'. +m4_defun([_LT_FILEUTILS_DEFAULTS], +[: ${CP="cp -f"} +: ${MV="mv -f"} +: ${RM="rm -f"} +])# _LT_FILEUTILS_DEFAULTS + + +# _LT_SETUP +# --------- +m4_defun([_LT_SETUP], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +AC_REQUIRE([_LT_PREPARE_SED_QUOTE_VARS])dnl +AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl + +_LT_DECL([], [PATH_SEPARATOR], [1], [The PATH separator for the build system])dnl +dnl +_LT_DECL([], [host_alias], [0], [The host system])dnl +_LT_DECL([], [host], [0])dnl +_LT_DECL([], [host_os], [0])dnl +dnl +_LT_DECL([], [build_alias], [0], [The build system])dnl +_LT_DECL([], [build], [0])dnl +_LT_DECL([], [build_os], [0])dnl +dnl +AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([LT_PATH_LD])dnl +AC_REQUIRE([LT_PATH_NM])dnl +dnl +AC_REQUIRE([AC_PROG_LN_S])dnl +test -z "$LN_S" && LN_S="ln -s" +_LT_DECL([], [LN_S], [1], [Whether we need soft or hard links])dnl +dnl +AC_REQUIRE([LT_CMD_MAX_LEN])dnl +_LT_DECL([objext], [ac_objext], [0], [Object file suffix (normally "o")])dnl +_LT_DECL([], [exeext], [0], [Executable file suffix (normally "")])dnl +dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_CHECK_SHELL_FEATURES])dnl +m4_require([_LT_PATH_CONVERSION_FUNCTIONS])dnl +m4_require([_LT_CMD_RELOAD])dnl +m4_require([_LT_CHECK_MAGIC_METHOD])dnl +m4_require([_LT_CHECK_SHAREDLIB_FROM_LINKLIB])dnl +m4_require([_LT_CMD_OLD_ARCHIVE])dnl +m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl +m4_require([_LT_WITH_SYSROOT])dnl +m4_require([_LT_CMD_TRUNCATE])dnl + +_LT_CONFIG_LIBTOOL_INIT([ +# See if we are running on zsh, and set the options that allow our +# commands through without removal of \ escapes INIT. +if test -n "\${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST +fi +]) +if test -n "${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST +fi + +_LT_CHECK_OBJDIR + +m4_require([_LT_TAG_COMPILER])dnl + +case $host_os in +aix3*) + # AIX sometimes has problems with the GCC collect2 program. For some + # reason, if we set the COLLECT_NAMES environment variable, the problems + # vanish in a puff of smoke. + if test set != "${COLLECT_NAMES+set}"; then + COLLECT_NAMES= + export COLLECT_NAMES + fi + ;; +esac + +# Global variables: +ofile=libtool +can_build_shared=yes + +# All known linkers require a '.a' archive for static linking (except MSVC and +# ICC, which need '.lib'). +libext=a + +with_gnu_ld=$lt_cv_prog_gnu_ld + +old_CC=$CC +old_CFLAGS=$CFLAGS + +# Set sane defaults for various variables +test -z "$CC" && CC=cc +test -z "$LTCC" && LTCC=$CC +test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS +test -z "$LD" && LD=ld +test -z "$ac_objext" && ac_objext=o + +_LT_CC_BASENAME([$compiler]) + +# Only perform the check for file, if the check method requires it +test -z "$MAGIC_CMD" && MAGIC_CMD=file +case $deplibs_check_method in +file_magic*) + if test "$file_magic_cmd" = '$MAGIC_CMD'; then + _LT_PATH_MAGIC + fi + ;; +esac + +# Use C for the default configuration in the libtool script +LT_SUPPORTED_TAG([CC]) +_LT_LANG_C_CONFIG +_LT_LANG_DEFAULT_CONFIG +_LT_CONFIG_COMMANDS +])# _LT_SETUP + + +# _LT_PREPARE_SED_QUOTE_VARS +# -------------------------- +# Define a few sed substitution that help us do robust quoting. +m4_defun([_LT_PREPARE_SED_QUOTE_VARS], +[# Backslashify metacharacters that are still active within +# double-quoted strings. +sed_quote_subst='s/\([["`$\\]]\)/\\\1/g' + +# Same as above, but do not quote variable references. +double_quote_subst='s/\([["`\\]]\)/\\\1/g' + +# Sed substitution to delay expansion of an escaped shell variable in a +# double_quote_subst'ed string. +delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' + +# Sed substitution to delay expansion of an escaped single quote. +delay_single_quote_subst='s/'\''/'\'\\\\\\\'\''/g' + +# Sed substitution to avoid accidental globbing in evaled expressions +no_glob_subst='s/\*/\\\*/g' +]) + +# _LT_PROG_LTMAIN +# --------------- +# Note that this code is called both from 'configure', and 'config.status' +# now that we use AC_CONFIG_COMMANDS to generate libtool. Notably, +# 'config.status' has no value for ac_aux_dir unless we are using Automake, +# so we pass a copy along to make sure it has a sensible value anyway. +m4_defun([_LT_PROG_LTMAIN], +[m4_ifdef([AC_REQUIRE_AUX_FILE], [AC_REQUIRE_AUX_FILE([ltmain.sh])])dnl +_LT_CONFIG_LIBTOOL_INIT([ac_aux_dir='$ac_aux_dir']) +ltmain=$ac_aux_dir/ltmain.sh +])# _LT_PROG_LTMAIN + + +## ------------------------------------- ## +## Accumulate code for creating libtool. ## +## ------------------------------------- ## + +# So that we can recreate a full libtool script including additional +# tags, we accumulate the chunks of code to send to AC_CONFIG_COMMANDS +# in macros and then make a single call at the end using the 'libtool' +# label. + + +# _LT_CONFIG_LIBTOOL_INIT([INIT-COMMANDS]) +# ---------------------------------------- +# Register INIT-COMMANDS to be passed to AC_CONFIG_COMMANDS later. +m4_define([_LT_CONFIG_LIBTOOL_INIT], +[m4_ifval([$1], + [m4_append([_LT_OUTPUT_LIBTOOL_INIT], + [$1 +])])]) + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_INIT]) + + +# _LT_CONFIG_LIBTOOL([COMMANDS]) +# ------------------------------ +# Register COMMANDS to be passed to AC_CONFIG_COMMANDS later. +m4_define([_LT_CONFIG_LIBTOOL], +[m4_ifval([$1], + [m4_append([_LT_OUTPUT_LIBTOOL_COMMANDS], + [$1 +])])]) + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS]) + + +# _LT_CONFIG_SAVE_COMMANDS([COMMANDS], [INIT_COMMANDS]) +# ----------------------------------------------------- +m4_defun([_LT_CONFIG_SAVE_COMMANDS], +[_LT_CONFIG_LIBTOOL([$1]) +_LT_CONFIG_LIBTOOL_INIT([$2]) +]) + + +# _LT_FORMAT_COMMENT([COMMENT]) +# ----------------------------- +# Add leading comment marks to the start of each line, and a trailing +# full-stop to the whole comment if one is not present already. +m4_define([_LT_FORMAT_COMMENT], +[m4_ifval([$1], [ +m4_bpatsubst([m4_bpatsubst([$1], [^ *], [# ])], + [['`$\]], [\\\&])]m4_bmatch([$1], [[!?.]$], [], [.]) +)]) + + + +## ------------------------ ## +## FIXME: Eliminate VARNAME ## +## ------------------------ ## + + +# _LT_DECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION], [IS-TAGGED?]) +# ------------------------------------------------------------------- +# CONFIGNAME is the name given to the value in the libtool script. +# VARNAME is the (base) name used in the configure script. +# VALUE may be 0, 1 or 2 for a computed quote escaped value based on +# VARNAME. Any other value will be used directly. +m4_define([_LT_DECL], +[lt_if_append_uniq([lt_decl_varnames], [$2], [, ], + [lt_dict_add_subkey([lt_decl_dict], [$2], [libtool_name], + [m4_ifval([$1], [$1], [$2])]) + lt_dict_add_subkey([lt_decl_dict], [$2], [value], [$3]) + m4_ifval([$4], + [lt_dict_add_subkey([lt_decl_dict], [$2], [description], [$4])]) + lt_dict_add_subkey([lt_decl_dict], [$2], + [tagged?], [m4_ifval([$5], [yes], [no])])]) +]) + + +# _LT_TAGDECL([CONFIGNAME], VARNAME, VALUE, [DESCRIPTION]) +# -------------------------------------------------------- +m4_define([_LT_TAGDECL], [_LT_DECL([$1], [$2], [$3], [$4], [yes])]) + + +# lt_decl_tag_varnames([SEPARATOR], [VARNAME1...]) +# ------------------------------------------------ +m4_define([lt_decl_tag_varnames], +[_lt_decl_filter([tagged?], [yes], $@)]) + + +# _lt_decl_filter(SUBKEY, VALUE, [SEPARATOR], [VARNAME1..]) +# --------------------------------------------------------- +m4_define([_lt_decl_filter], +[m4_case([$#], + [0], [m4_fatal([$0: too few arguments: $#])], + [1], [m4_fatal([$0: too few arguments: $#: $1])], + [2], [lt_dict_filter([lt_decl_dict], [$1], [$2], [], lt_decl_varnames)], + [3], [lt_dict_filter([lt_decl_dict], [$1], [$2], [$3], lt_decl_varnames)], + [lt_dict_filter([lt_decl_dict], $@)])[]dnl +]) + + +# lt_decl_quote_varnames([SEPARATOR], [VARNAME1...]) +# -------------------------------------------------- +m4_define([lt_decl_quote_varnames], +[_lt_decl_filter([value], [1], $@)]) + + +# lt_decl_dquote_varnames([SEPARATOR], [VARNAME1...]) +# --------------------------------------------------- +m4_define([lt_decl_dquote_varnames], +[_lt_decl_filter([value], [2], $@)]) + + +# lt_decl_varnames_tagged([SEPARATOR], [VARNAME1...]) +# --------------------------------------------------- +m4_define([lt_decl_varnames_tagged], +[m4_assert([$# <= 2])dnl +_$0(m4_quote(m4_default([$1], [[, ]])), + m4_ifval([$2], [[$2]], [m4_dquote(lt_decl_tag_varnames)]), + m4_split(m4_normalize(m4_quote(_LT_TAGS)), [ ]))]) +m4_define([_lt_decl_varnames_tagged], +[m4_ifval([$3], [lt_combine([$1], [$2], [_], $3)])]) + + +# lt_decl_all_varnames([SEPARATOR], [VARNAME1...]) +# ------------------------------------------------ +m4_define([lt_decl_all_varnames], +[_$0(m4_quote(m4_default([$1], [[, ]])), + m4_if([$2], [], + m4_quote(lt_decl_varnames), + m4_quote(m4_shift($@))))[]dnl +]) +m4_define([_lt_decl_all_varnames], +[lt_join($@, lt_decl_varnames_tagged([$1], + lt_decl_tag_varnames([[, ]], m4_shift($@))))dnl +]) + + +# _LT_CONFIG_STATUS_DECLARE([VARNAME]) +# ------------------------------------ +# Quote a variable value, and forward it to 'config.status' so that its +# declaration there will have the same value as in 'configure'. VARNAME +# must have a single quote delimited value for this to work. +m4_define([_LT_CONFIG_STATUS_DECLARE], +[$1='`$ECHO "$][$1" | $SED "$delay_single_quote_subst"`']) + + +# _LT_CONFIG_STATUS_DECLARATIONS +# ------------------------------ +# We delimit libtool config variables with single quotes, so when +# we write them to config.status, we have to be sure to quote all +# embedded single quotes properly. In configure, this macro expands +# each variable declared with _LT_DECL (and _LT_TAGDECL) into: +# +# ='`$ECHO "$" | $SED "$delay_single_quote_subst"`' +m4_defun([_LT_CONFIG_STATUS_DECLARATIONS], +[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames), + [m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])]) + + +# _LT_LIBTOOL_TAGS +# ---------------- +# Output comment and list of tags supported by the script +m4_defun([_LT_LIBTOOL_TAGS], +[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl +available_tags='_LT_TAGS'dnl +]) + + +# _LT_LIBTOOL_DECLARE(VARNAME, [TAG]) +# ----------------------------------- +# Extract the dictionary values for VARNAME (optionally with TAG) and +# expand to a commented shell variable setting: +# +# # Some comment about what VAR is for. +# visible_name=$lt_internal_name +m4_define([_LT_LIBTOOL_DECLARE], +[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], + [description])))[]dnl +m4_pushdef([_libtool_name], + m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl +m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])), + [0], [_libtool_name=[$]$1], + [1], [_libtool_name=$lt_[]$1], + [2], [_libtool_name=$lt_[]$1], + [_libtool_name=lt_dict_fetch([lt_decl_dict], [$1], [value])])[]dnl +m4_ifval([$2], [_$2])[]m4_popdef([_libtool_name])[]dnl +]) + + +# _LT_LIBTOOL_CONFIG_VARS +# ----------------------- +# Produce commented declarations of non-tagged libtool config variables +# suitable for insertion in the LIBTOOL CONFIG section of the 'libtool' +# script. Tagged libtool config variables (even for the LIBTOOL CONFIG +# section) are produced by _LT_LIBTOOL_TAG_VARS. +m4_defun([_LT_LIBTOOL_CONFIG_VARS], +[m4_foreach([_lt_var], + m4_quote(_lt_decl_filter([tagged?], [no], [], lt_decl_varnames)), + [m4_n([_LT_LIBTOOL_DECLARE(_lt_var)])])]) + + +# _LT_LIBTOOL_TAG_VARS(TAG) +# ------------------------- +m4_define([_LT_LIBTOOL_TAG_VARS], +[m4_foreach([_lt_var], m4_quote(lt_decl_tag_varnames), + [m4_n([_LT_LIBTOOL_DECLARE(_lt_var, [$1])])])]) + + +# _LT_TAGVAR(VARNAME, [TAGNAME]) +# ------------------------------ +m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])]) + + +# _LT_CONFIG_COMMANDS +# ------------------- +# Send accumulated output to $CONFIG_STATUS. Thanks to the lists of +# variables for single and double quote escaping we saved from calls +# to _LT_DECL, we can put quote escaped variables declarations +# into 'config.status', and then the shell code to quote escape them in +# for loops in 'config.status'. Finally, any additional code accumulated +# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded. +m4_defun([_LT_CONFIG_COMMANDS], +[AC_PROVIDE_IFELSE([LT_OUTPUT], + dnl If the libtool generation code has been placed in $CONFIG_LT, + dnl instead of duplicating it all over again into config.status, + dnl then we will have config.status run $CONFIG_LT later, so it + dnl needs to know what name is stored there: + [AC_CONFIG_COMMANDS([libtool], + [$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])], + dnl If the libtool generation code is destined for config.status, + dnl expand the accumulated commands and init code now: + [AC_CONFIG_COMMANDS([libtool], + [_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])]) +])#_LT_CONFIG_COMMANDS + + +# Initialize. +m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT], +[ + +# The HP-UX ksh and POSIX shell print the target directory to stdout +# if CDPATH is set. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +sed_quote_subst='$sed_quote_subst' +double_quote_subst='$double_quote_subst' +delay_variable_subst='$delay_variable_subst' +_LT_CONFIG_STATUS_DECLARATIONS +LTCC='$LTCC' +LTCFLAGS='$LTCFLAGS' +compiler='$compiler_DEFAULT' + +# A function that is used when there is no print builtin or printf. +func_fallback_echo () +{ + eval 'cat <<_LTECHO_EOF +\$[]1 +_LTECHO_EOF' +} + +# Quote evaled strings. +for var in lt_decl_all_varnames([[ \ +]], lt_decl_quote_varnames); do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[[\\\\\\\`\\"\\\$]]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED \\"\\\$sed_quote_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +# Double-quote double-evaled strings. +for var in lt_decl_all_varnames([[ \ +]], lt_decl_dquote_varnames); do + case \`eval \\\\\$ECHO \\\\""\\\\\$\$var"\\\\"\` in + *[[\\\\\\\`\\"\\\$]]*) + eval "lt_\$var=\\\\\\"\\\`\\\$ECHO \\"\\\$\$var\\" | \\\$SED -e \\"\\\$double_quote_subst\\" -e \\"\\\$sed_quote_subst\\" -e \\"\\\$delay_variable_subst\\"\\\`\\\\\\"" ## exclude from sc_prohibit_nested_quotes + ;; + *) + eval "lt_\$var=\\\\\\"\\\$\$var\\\\\\"" + ;; + esac +done + +_LT_OUTPUT_LIBTOOL_INIT +]) + +# _LT_GENERATED_FILE_INIT(FILE, [COMMENT]) +# ------------------------------------ +# Generate a child script FILE with all initialization necessary to +# reuse the environment learned by the parent script, and make the +# file executable. If COMMENT is supplied, it is inserted after the +# '#!' sequence but before initialization text begins. After this +# macro, additional text can be appended to FILE to form the body of +# the child script. The macro ends with non-zero status if the +# file could not be fully written (such as if the disk is full). +m4_ifdef([AS_INIT_GENERATED], +[m4_defun([_LT_GENERATED_FILE_INIT],[AS_INIT_GENERATED($@)])], +[m4_defun([_LT_GENERATED_FILE_INIT], +[m4_require([AS_PREPARE])]dnl +[m4_pushdef([AS_MESSAGE_LOG_FD])]dnl +[lt_write_fail=0 +cat >$1 <<_ASEOF || lt_write_fail=1 +#! $SHELL +# Generated by $as_me. +$2 +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$1 <<\_ASEOF || lt_write_fail=1 +AS_SHELL_SANITIZE +_AS_PREPARE +exec AS_MESSAGE_FD>&1 +_ASEOF +test 0 = "$lt_write_fail" && chmod +x $1[]dnl +m4_popdef([AS_MESSAGE_LOG_FD])])])# _LT_GENERATED_FILE_INIT + +# LT_OUTPUT +# --------- +# This macro allows early generation of the libtool script (before +# AC_OUTPUT is called), incase it is used in configure for compilation +# tests. +AC_DEFUN([LT_OUTPUT], +[: ${CONFIG_LT=./config.lt} +AC_MSG_NOTICE([creating $CONFIG_LT]) +_LT_GENERATED_FILE_INIT(["$CONFIG_LT"], +[# Run this file to recreate a libtool stub with the current configuration.]) + +cat >>"$CONFIG_LT" <<\_LTEOF +lt_cl_silent=false +exec AS_MESSAGE_LOG_FD>>config.log +{ + echo + AS_BOX([Running $as_me.]) +} >&AS_MESSAGE_LOG_FD + +lt_cl_help="\ +'$as_me' creates a local libtool stub from the current configuration, +for use in further configure time tests before the real libtool is +generated. + +Usage: $[0] [[OPTIONS]] + + -h, --help print this help, then exit + -V, --version print version number, then exit + -q, --quiet do not print progress messages + -d, --debug don't remove temporary files + +Report bugs to ." + +lt_cl_version="\ +m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])config.lt[]dnl +m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION]) +configured by $[0], generated by m4_PACKAGE_STRING. + +Copyright (C) 2011 Free Software Foundation, Inc. +This config.lt script is free software; the Free Software Foundation +gives unlimited permision to copy, distribute and modify it." + +while test 0 != $[#] +do + case $[1] in + --version | --v* | -V ) + echo "$lt_cl_version"; exit 0 ;; + --help | --h* | -h ) + echo "$lt_cl_help"; exit 0 ;; + --debug | --d* | -d ) + debug=: ;; + --quiet | --q* | --silent | --s* | -q ) + lt_cl_silent=: ;; + + -*) AC_MSG_ERROR([unrecognized option: $[1] +Try '$[0] --help' for more information.]) ;; + + *) AC_MSG_ERROR([unrecognized argument: $[1] +Try '$[0] --help' for more information.]) ;; + esac + shift +done + +if $lt_cl_silent; then + exec AS_MESSAGE_FD>/dev/null +fi +_LTEOF + +cat >>"$CONFIG_LT" <<_LTEOF +_LT_OUTPUT_LIBTOOL_COMMANDS_INIT +_LTEOF + +cat >>"$CONFIG_LT" <<\_LTEOF +AC_MSG_NOTICE([creating $ofile]) +_LT_OUTPUT_LIBTOOL_COMMANDS +AS_EXIT(0) +_LTEOF +chmod +x "$CONFIG_LT" + +# configure is writing to config.log, but config.lt does its own redirection, +# appending to config.log, which fails on DOS, as config.log is still kept +# open by configure. Here we exec the FD to /dev/null, effectively closing +# config.log, so it can be properly (re)opened and appended to by config.lt. +lt_cl_success=: +test yes = "$silent" && + lt_config_lt_args="$lt_config_lt_args --quiet" +exec AS_MESSAGE_LOG_FD>/dev/null +$SHELL "$CONFIG_LT" $lt_config_lt_args || lt_cl_success=false +exec AS_MESSAGE_LOG_FD>>config.log +$lt_cl_success || AS_EXIT(1) +])# LT_OUTPUT + + +# _LT_CONFIG(TAG) +# --------------- +# If TAG is the built-in tag, create an initial libtool script with a +# default configuration from the untagged config vars. Otherwise add code +# to config.status for appending the configuration named by TAG from the +# matching tagged config vars. +m4_defun([_LT_CONFIG], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +_LT_CONFIG_SAVE_COMMANDS([ + m4_define([_LT_TAG], m4_if([$1], [], [C], [$1]))dnl + m4_if(_LT_TAG, [C], [ + # See if we are running on zsh, and set the options that allow our + # commands through without removal of \ escapes. + if test -n "${ZSH_VERSION+set}"; then + setopt NO_GLOB_SUBST + fi + + cfgfile=${ofile}T + trap "$RM \"$cfgfile\"; exit 1" 1 2 15 + $RM "$cfgfile" + + cat <<_LT_EOF >> "$cfgfile" +#! $SHELL +# Generated automatically by $as_me ($PACKAGE) $VERSION +# Libtool was configured as follows: +# NOTE: Changes made to this file will be lost: look at ltmain.sh. + +# Provide generalized library-building support services. +# Written by Gordon Matzigkeit, 1996 + +_LT_COPYING +_LT_LIBTOOL_TAGS + +# Configured defaults for sys_lib_dlsearch_path munging. +: \${LT_SYS_LIBRARY_PATH="$configure_time_lt_sys_library_path"} + +# ### BEGIN LIBTOOL CONFIG +_LT_LIBTOOL_CONFIG_VARS +_LT_LIBTOOL_TAG_VARS +# ### END LIBTOOL CONFIG + +_LT_EOF + + cat <<'_LT_EOF' >> "$cfgfile" + +# ### BEGIN FUNCTIONS SHARED WITH CONFIGURE + +_LT_PREPARE_MUNGE_PATH_LIST +_LT_PREPARE_CC_BASENAME + +# ### END FUNCTIONS SHARED WITH CONFIGURE + +_LT_EOF + + case $host_os in + aix3*) + cat <<\_LT_EOF >> "$cfgfile" +# AIX sometimes has problems with the GCC collect2 program. For some +# reason, if we set the COLLECT_NAMES environment variable, the problems +# vanish in a puff of smoke. +if test set != "${COLLECT_NAMES+set}"; then + COLLECT_NAMES= + export COLLECT_NAMES +fi +_LT_EOF + ;; + esac + + _LT_PROG_LTMAIN + + # We use sed instead of cat because bash on DJGPP gets confused if + # if finds mixed CR/LF and LF-only lines. Since sed operates in + # text mode, it properly converts lines to CR/LF. This bash problem + # is reportedly fixed, but why not run on old versions too? + sed '$q' "$ltmain" >> "$cfgfile" \ + || (rm -f "$cfgfile"; exit 1) + + mv -f "$cfgfile" "$ofile" || + (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile") + chmod +x "$ofile" +], +[cat <<_LT_EOF >> "$ofile" + +dnl Unfortunately we have to use $1 here, since _LT_TAG is not expanded +dnl in a comment (ie after a #). +# ### BEGIN LIBTOOL TAG CONFIG: $1 +_LT_LIBTOOL_TAG_VARS(_LT_TAG) +# ### END LIBTOOL TAG CONFIG: $1 +_LT_EOF +])dnl /m4_if +], +[m4_if([$1], [], [ + PACKAGE='$PACKAGE' + VERSION='$VERSION' + RM='$RM' + ofile='$ofile'], []) +])dnl /_LT_CONFIG_SAVE_COMMANDS +])# _LT_CONFIG + + +# LT_SUPPORTED_TAG(TAG) +# --------------------- +# Trace this macro to discover what tags are supported by the libtool +# --tag option, using: +# autoconf --trace 'LT_SUPPORTED_TAG:$1' +AC_DEFUN([LT_SUPPORTED_TAG], []) + + +# C support is built-in for now +m4_define([_LT_LANG_C_enabled], []) +m4_define([_LT_TAGS], []) + + +# LT_LANG(LANG) +# ------------- +# Enable libtool support for the given language if not already enabled. +AC_DEFUN([LT_LANG], +[AC_BEFORE([$0], [LT_OUTPUT])dnl +m4_case([$1], + [C], [_LT_LANG(C)], + [C++], [_LT_LANG(CXX)], + [Go], [_LT_LANG(GO)], + [Java], [_LT_LANG(GCJ)], + [Fortran 77], [_LT_LANG(F77)], + [Fortran], [_LT_LANG(FC)], + [Windows Resource], [_LT_LANG(RC)], + [m4_ifdef([_LT_LANG_]$1[_CONFIG], + [_LT_LANG($1)], + [m4_fatal([$0: unsupported language: "$1"])])])dnl +])# LT_LANG + + +# _LT_LANG(LANGNAME) +# ------------------ +m4_defun([_LT_LANG], +[m4_ifdef([_LT_LANG_]$1[_enabled], [], + [LT_SUPPORTED_TAG([$1])dnl + m4_append([_LT_TAGS], [$1 ])dnl + m4_define([_LT_LANG_]$1[_enabled], [])dnl + _LT_LANG_$1_CONFIG($1)])dnl +])# _LT_LANG + + +m4_ifndef([AC_PROG_GO], [ +############################################################ +# NOTE: This macro has been submitted for inclusion into # +# GNU Autoconf as AC_PROG_GO. When it is available in # +# a released version of Autoconf we should remove this # +# macro and use it instead. # +############################################################ +m4_defun([AC_PROG_GO], +[AC_LANG_PUSH(Go)dnl +AC_ARG_VAR([GOC], [Go compiler command])dnl +AC_ARG_VAR([GOFLAGS], [Go compiler flags])dnl +_AC_ARG_VAR_LDFLAGS()dnl +AC_CHECK_TOOL(GOC, gccgo) +if test -z "$GOC"; then + if test -n "$ac_tool_prefix"; then + AC_CHECK_PROG(GOC, [${ac_tool_prefix}gccgo], [${ac_tool_prefix}gccgo]) + fi +fi +if test -z "$GOC"; then + AC_CHECK_PROG(GOC, gccgo, gccgo, false) +fi +])#m4_defun +])#m4_ifndef + + +# _LT_LANG_DEFAULT_CONFIG +# ----------------------- +m4_defun([_LT_LANG_DEFAULT_CONFIG], +[AC_PROVIDE_IFELSE([AC_PROG_CXX], + [LT_LANG(CXX)], + [m4_define([AC_PROG_CXX], defn([AC_PROG_CXX])[LT_LANG(CXX)])]) + +AC_PROVIDE_IFELSE([AC_PROG_F77], + [LT_LANG(F77)], + [m4_define([AC_PROG_F77], defn([AC_PROG_F77])[LT_LANG(F77)])]) + +AC_PROVIDE_IFELSE([AC_PROG_FC], + [LT_LANG(FC)], + [m4_define([AC_PROG_FC], defn([AC_PROG_FC])[LT_LANG(FC)])]) + +dnl The call to [A][M_PROG_GCJ] is quoted like that to stop aclocal +dnl pulling things in needlessly. +AC_PROVIDE_IFELSE([AC_PROG_GCJ], + [LT_LANG(GCJ)], + [AC_PROVIDE_IFELSE([A][M_PROG_GCJ], + [LT_LANG(GCJ)], + [AC_PROVIDE_IFELSE([LT_PROG_GCJ], + [LT_LANG(GCJ)], + [m4_ifdef([AC_PROG_GCJ], + [m4_define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[LT_LANG(GCJ)])]) + m4_ifdef([A][M_PROG_GCJ], + [m4_define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[LT_LANG(GCJ)])]) + m4_ifdef([LT_PROG_GCJ], + [m4_define([LT_PROG_GCJ], defn([LT_PROG_GCJ])[LT_LANG(GCJ)])])])])]) + +AC_PROVIDE_IFELSE([AC_PROG_GO], + [LT_LANG(GO)], + [m4_define([AC_PROG_GO], defn([AC_PROG_GO])[LT_LANG(GO)])]) + +AC_PROVIDE_IFELSE([LT_PROG_RC], + [LT_LANG(RC)], + [m4_define([LT_PROG_RC], defn([LT_PROG_RC])[LT_LANG(RC)])]) +])# _LT_LANG_DEFAULT_CONFIG + +# Obsolete macros: +AU_DEFUN([AC_LIBTOOL_CXX], [LT_LANG(C++)]) +AU_DEFUN([AC_LIBTOOL_F77], [LT_LANG(Fortran 77)]) +AU_DEFUN([AC_LIBTOOL_FC], [LT_LANG(Fortran)]) +AU_DEFUN([AC_LIBTOOL_GCJ], [LT_LANG(Java)]) +AU_DEFUN([AC_LIBTOOL_RC], [LT_LANG(Windows Resource)]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_CXX], []) +dnl AC_DEFUN([AC_LIBTOOL_F77], []) +dnl AC_DEFUN([AC_LIBTOOL_FC], []) +dnl AC_DEFUN([AC_LIBTOOL_GCJ], []) +dnl AC_DEFUN([AC_LIBTOOL_RC], []) + + +# _LT_TAG_COMPILER +# ---------------- +m4_defun([_LT_TAG_COMPILER], +[AC_REQUIRE([AC_PROG_CC])dnl + +_LT_DECL([LTCC], [CC], [1], [A C compiler])dnl +_LT_DECL([LTCFLAGS], [CFLAGS], [1], [LTCC compiler flags])dnl +_LT_TAGDECL([CC], [compiler], [1], [A language specific compiler])dnl +_LT_TAGDECL([with_gcc], [GCC], [0], [Is the compiler the GNU compiler?])dnl + +# If no C compiler was specified, use CC. +LTCC=${LTCC-"$CC"} + +# If no C compiler flags were specified, use CFLAGS. +LTCFLAGS=${LTCFLAGS-"$CFLAGS"} + +# Allow CC to be a program name with arguments. +compiler=$CC +])# _LT_TAG_COMPILER + + +# _LT_COMPILER_BOILERPLATE +# ------------------------ +# Check for compiler boilerplate output or warnings with +# the simple compiler test code. +m4_defun([_LT_COMPILER_BOILERPLATE], +[m4_require([_LT_DECL_SED])dnl +ac_outfile=conftest.$ac_objext +echo "$lt_simple_compile_test_code" >conftest.$ac_ext +eval "$ac_compile" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_compiler_boilerplate=`cat conftest.err` +$RM conftest* +])# _LT_COMPILER_BOILERPLATE + + +# _LT_LINKER_BOILERPLATE +# ---------------------- +# Check for linker boilerplate output or warnings with +# the simple link test code. +m4_defun([_LT_LINKER_BOILERPLATE], +[m4_require([_LT_DECL_SED])dnl +ac_outfile=conftest.$ac_objext +echo "$lt_simple_link_test_code" >conftest.$ac_ext +eval "$ac_link" 2>&1 >/dev/null | $SED '/^$/d; /^ *+/d' >conftest.err +_lt_linker_boilerplate=`cat conftest.err` +$RM -r conftest* +])# _LT_LINKER_BOILERPLATE + +# _LT_REQUIRED_DARWIN_CHECKS +# ------------------------- +m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[ + case $host_os in + rhapsody* | darwin*) + AC_CHECK_TOOL([DSYMUTIL], [dsymutil], [:]) + AC_CHECK_TOOL([NMEDIT], [nmedit], [:]) + AC_CHECK_TOOL([LIPO], [lipo], [:]) + AC_CHECK_TOOL([OTOOL], [otool], [:]) + AC_CHECK_TOOL([OTOOL64], [otool64], [:]) + _LT_DECL([], [DSYMUTIL], [1], + [Tool to manipulate archived DWARF debug symbol files on Mac OS X]) + _LT_DECL([], [NMEDIT], [1], + [Tool to change global to local symbols on Mac OS X]) + _LT_DECL([], [LIPO], [1], + [Tool to manipulate fat objects and archives on Mac OS X]) + _LT_DECL([], [OTOOL], [1], + [ldd/readelf like tool for Mach-O binaries on Mac OS X]) + _LT_DECL([], [OTOOL64], [1], + [ldd/readelf like tool for 64 bit Mach-O binaries on Mac OS X 10.4]) + + AC_CACHE_CHECK([for -single_module linker flag],[lt_cv_apple_cc_single_mod], + [lt_cv_apple_cc_single_mod=no + if test -z "$LT_MULTI_MODULE"; then + # By default we will add the -single_module flag. You can override + # by either setting the environment variable LT_MULTI_MODULE + # non-empty at configure time, or by adding -multi_module to the + # link flags. + rm -rf libconftest.dylib* + echo "int foo(void){return 1;}" > conftest.c + echo "$LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ +-dynamiclib -Wl,-single_module conftest.c" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS $LDFLAGS -o libconftest.dylib \ + -dynamiclib -Wl,-single_module conftest.c 2>conftest.err + _lt_result=$? + # If there is a non-empty error log, and "single_module" + # appears in it, assume the flag caused a linker warning + if test -s conftest.err && $GREP single_module conftest.err; then + cat conftest.err >&AS_MESSAGE_LOG_FD + # Otherwise, if the output was created with a 0 exit code from + # the compiler, it worked. + elif test -f libconftest.dylib && test 0 = "$_lt_result"; then + lt_cv_apple_cc_single_mod=yes + else + cat conftest.err >&AS_MESSAGE_LOG_FD + fi + rm -rf libconftest.dylib* + rm -f conftest.* + fi]) + + AC_CACHE_CHECK([for -exported_symbols_list linker flag], + [lt_cv_ld_exported_symbols_list], + [lt_cv_ld_exported_symbols_list=no + save_LDFLAGS=$LDFLAGS + echo "_main" > conftest.sym + LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym" + AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], + [lt_cv_ld_exported_symbols_list=yes], + [lt_cv_ld_exported_symbols_list=no]) + LDFLAGS=$save_LDFLAGS + ]) + + AC_CACHE_CHECK([for -force_load linker flag],[lt_cv_ld_force_load], + [lt_cv_ld_force_load=no + cat > conftest.c << _LT_EOF +int forced_loaded() { return 2;} +_LT_EOF + echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&AS_MESSAGE_LOG_FD + echo "$AR $AR_FLAGS libconftest.a conftest.o" >&AS_MESSAGE_LOG_FD + $AR $AR_FLAGS libconftest.a conftest.o 2>&AS_MESSAGE_LOG_FD + echo "$RANLIB libconftest.a" >&AS_MESSAGE_LOG_FD + $RANLIB libconftest.a 2>&AS_MESSAGE_LOG_FD + cat > conftest.c << _LT_EOF +int main() { return 0;} +_LT_EOF + echo "$LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a" >&AS_MESSAGE_LOG_FD + $LTCC $LTCFLAGS $LDFLAGS -o conftest conftest.c -Wl,-force_load,./libconftest.a 2>conftest.err + _lt_result=$? + if test -s conftest.err && $GREP force_load conftest.err; then + cat conftest.err >&AS_MESSAGE_LOG_FD + elif test -f conftest && test 0 = "$_lt_result" && $GREP forced_load conftest >/dev/null 2>&1; then + lt_cv_ld_force_load=yes + else + cat conftest.err >&AS_MESSAGE_LOG_FD + fi + rm -f conftest.err libconftest.a conftest conftest.c + rm -rf conftest.dSYM + ]) + case $host_os in + rhapsody* | darwin1.[[012]]) + _lt_dar_allow_undefined='$wl-undefined ${wl}suppress' ;; + darwin1.*) + _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; + darwin*) # darwin 5.x on + # if running on 10.5 or later, the deployment target defaults + # to the OS version, if on x86, and 10.4, the deployment + # target defaults to 10.4. Don't you love it? + case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in + 10.0,*86*-darwin8*|10.0,*-darwin[[91]]*) + _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;; + 10.[[012]][[,.]]*) + _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;; + 10.*) + _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;; + esac + ;; + esac + if test yes = "$lt_cv_apple_cc_single_mod"; then + _lt_dar_single_mod='$single_module' + fi + if test yes = "$lt_cv_ld_exported_symbols_list"; then + _lt_dar_export_syms=' $wl-exported_symbols_list,$output_objdir/$libname-symbols.expsym' + else + _lt_dar_export_syms='~$NMEDIT -s $output_objdir/$libname-symbols.expsym $lib' + fi + if test : != "$DSYMUTIL" && test no = "$lt_cv_ld_force_load"; then + _lt_dsymutil='~$DSYMUTIL $lib || :' + else + _lt_dsymutil= + fi + ;; + esac +]) + + +# _LT_DARWIN_LINKER_FEATURES([TAG]) +# --------------------------------- +# Checks for linker and compiler features on darwin +m4_defun([_LT_DARWIN_LINKER_FEATURES], +[ + m4_require([_LT_REQUIRED_DARWIN_CHECKS]) + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_automatic, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported + if test yes = "$lt_cv_ld_force_load"; then + _LT_TAGVAR(whole_archive_flag_spec, $1)='`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience $wl-force_load,$conv\"; done; func_echo_all \"$new_convenience\"`' + m4_case([$1], [F77], [_LT_TAGVAR(compiler_needs_object, $1)=yes], + [FC], [_LT_TAGVAR(compiler_needs_object, $1)=yes]) + else + _LT_TAGVAR(whole_archive_flag_spec, $1)='' + fi + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)=$_lt_dar_allow_undefined + case $cc_basename in + ifort*|nagfor*) _lt_dar_can_shared=yes ;; + *) _lt_dar_can_shared=$GCC ;; + esac + if test yes = "$_lt_dar_can_shared"; then + output_verbose_link_cmd=func_echo_all + _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dsymutil" + _LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dsymutil" + _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod$_lt_dar_export_syms$_lt_dsymutil" + _LT_TAGVAR(module_expsym_cmds, $1)="sed -e 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags$_lt_dar_export_syms$_lt_dsymutil" + m4_if([$1], [CXX], +[ if test yes != "$lt_cv_apple_cc_single_mod"; then + _LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dsymutil" + _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's|^|_|' < \$export_symbols > \$output_objdir/\$libname-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \$lib-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$lib-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring$_lt_dar_export_syms$_lt_dsymutil" + fi +],[]) + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi +]) + +# _LT_SYS_MODULE_PATH_AIX([TAGNAME]) +# ---------------------------------- +# Links a minimal program and checks the executable +# for the system default hardcoded library path. In most cases, +# this is /usr/lib:/lib, but when the MPI compilers are used +# the location of the communication and MPI libs are included too. +# If we don't find anything, use the default library path according +# to the aix ld manual. +# Store the results from the different compilers for each TAGNAME. +# Allow to override them for all tags through lt_cv_aix_libpath. +m4_defun([_LT_SYS_MODULE_PATH_AIX], +[m4_require([_LT_DECL_SED])dnl +if test set = "${lt_cv_aix_libpath+set}"; then + aix_libpath=$lt_cv_aix_libpath +else + AC_CACHE_VAL([_LT_TAGVAR([lt_cv_aix_libpath_], [$1])], + [AC_LINK_IFELSE([AC_LANG_PROGRAM],[ + lt_aix_libpath_sed='[ + /Import File Strings/,/^$/ { + /^0/ { + s/^0 *\([^ ]*\) *$/\1/ + p + } + }]' + _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + # Check for a 64-bit object if we didn't find anything. + if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then + _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"` + fi],[]) + if test -z "$_LT_TAGVAR([lt_cv_aix_libpath_], [$1])"; then + _LT_TAGVAR([lt_cv_aix_libpath_], [$1])=/usr/lib:/lib + fi + ]) + aix_libpath=$_LT_TAGVAR([lt_cv_aix_libpath_], [$1]) +fi +])# _LT_SYS_MODULE_PATH_AIX + + +# _LT_SHELL_INIT(ARG) +# ------------------- +m4_define([_LT_SHELL_INIT], +[m4_divert_text([M4SH-INIT], [$1 +])])# _LT_SHELL_INIT + + + +# _LT_PROG_ECHO_BACKSLASH +# ----------------------- +# Find how we can fake an echo command that does not interpret backslash. +# In particular, with Autoconf 2.60 or later we add some code to the start +# of the generated configure script that will find a shell with a builtin +# printf (that we can use as an echo command). +m4_defun([_LT_PROG_ECHO_BACKSLASH], +[ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO +ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO + +AC_MSG_CHECKING([how to print strings]) +# Test print first, because it will be a builtin if present. +if test "X`( print -r -- -n ) 2>/dev/null`" = X-n && \ + test "X`print -r -- $ECHO 2>/dev/null`" = "X$ECHO"; then + ECHO='print -r --' +elif test "X`printf %s $ECHO 2>/dev/null`" = "X$ECHO"; then + ECHO='printf %s\n' +else + # Use this function as a fallback that always works. + func_fallback_echo () + { + eval 'cat <<_LTECHO_EOF +$[]1 +_LTECHO_EOF' + } + ECHO='func_fallback_echo' +fi + +# func_echo_all arg... +# Invoke $ECHO with all args, space-separated. +func_echo_all () +{ + $ECHO "$*" +} + +case $ECHO in + printf*) AC_MSG_RESULT([printf]) ;; + print*) AC_MSG_RESULT([print -r]) ;; + *) AC_MSG_RESULT([cat]) ;; +esac + +m4_ifdef([_AS_DETECT_SUGGESTED], +[_AS_DETECT_SUGGESTED([ + test -n "${ZSH_VERSION+set}${BASH_VERSION+set}" || ( + ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' + ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO + ECHO=$ECHO$ECHO$ECHO$ECHO$ECHO$ECHO + PATH=/empty FPATH=/empty; export PATH FPATH + test "X`printf %s $ECHO`" = "X$ECHO" \ + || test "X`print -r -- $ECHO`" = "X$ECHO" )])]) + +_LT_DECL([], [SHELL], [1], [Shell to use when invoking shell scripts]) +_LT_DECL([], [ECHO], [1], [An echo program that protects backslashes]) +])# _LT_PROG_ECHO_BACKSLASH + + +# _LT_WITH_SYSROOT +# ---------------- +AC_DEFUN([_LT_WITH_SYSROOT], +[AC_MSG_CHECKING([for sysroot]) +AC_ARG_WITH([sysroot], +[AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@], + [Search for dependent libraries within DIR (or the compiler's sysroot + if not specified).])], +[], [with_sysroot=no]) + +dnl lt_sysroot will always be passed unquoted. We quote it here +dnl in case the user passed a directory name. +lt_sysroot= +case $with_sysroot in #( + yes) + if test yes = "$GCC"; then + lt_sysroot=`$CC --print-sysroot 2>/dev/null` + fi + ;; #( + /*) + lt_sysroot=`echo "$with_sysroot" | sed -e "$sed_quote_subst"` + ;; #( + no|'') + ;; #( + *) + AC_MSG_RESULT([$with_sysroot]) + AC_MSG_ERROR([The sysroot must be an absolute path.]) + ;; +esac + + AC_MSG_RESULT([${lt_sysroot:-no}]) +_LT_DECL([], [lt_sysroot], [0], [The root where to search for ]dnl +[dependent libraries, and where our libraries should be installed.])]) + +# _LT_ENABLE_LOCK +# --------------- +m4_defun([_LT_ENABLE_LOCK], +[AC_ARG_ENABLE([libtool-lock], + [AS_HELP_STRING([--disable-libtool-lock], + [avoid locking (might break parallel builds)])]) +test no = "$enable_libtool_lock" || enable_libtool_lock=yes + +# Some flags need to be propagated to the compiler or linker for good +# libtool support. +case $host in +ia64-*-hpux*) + # Find out what ABI is being produced by ac_compile, and set mode + # options accordingly. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.$ac_objext` in + *ELF-32*) + HPUX_IA64_MODE=32 + ;; + *ELF-64*) + HPUX_IA64_MODE=64 + ;; + esac + fi + rm -rf conftest* + ;; +*-*-irix6*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + if test yes = "$lt_cv_prog_gnu_ld"; then + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -melf32bsmip" + ;; + *N32*) + LD="${LD-ld} -melf32bmipn32" + ;; + *64-bit*) + LD="${LD-ld} -melf64bmip" + ;; + esac + else + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + LD="${LD-ld} -32" + ;; + *N32*) + LD="${LD-ld} -n32" + ;; + *64-bit*) + LD="${LD-ld} -64" + ;; + esac + fi + fi + rm -rf conftest* + ;; + +mips64*-*linux*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + emul=elf + case `/usr/bin/file conftest.$ac_objext` in + *32-bit*) + emul="${emul}32" + ;; + *64-bit*) + libsuff=64 + emul="${emul}64" + ;; + esac + case `/usr/bin/file conftest.$ac_objext` in + *MSB*) + emul="${emul}btsmip" + ;; + *LSB*) + emul="${emul}ltsmip" + ;; + esac + case `/usr/bin/file conftest.$ac_objext` in + *N32*) + libsuff=n32 + emul="${emul}n32" + ;; + esac + LD="${LD-ld} -m $emul" + fi + rm -rf conftest* + ;; + +aarch64*-*linux*|x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \ +riscv64*-*linux*|s390*-*linux*|s390*-*tpf*|sparc*-*linux*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. Note that the listed cases only cover the + # situations where additional linker options are needed (such as when + # doing 32-bit compilation for a host where ld defaults to 64-bit, or + # vice versa); the common cases where no linker options are needed do + # not appear in the list. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.o` in + *32-bit*) + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_i386_fbsd" + ;; + x86_64-*linux*-gnux32) + libsuff=x32 + LD="${LD-ld} -m elf32_x86_64" + ;; + x86_64-*linux*) + case `/usr/bin/file conftest.o` in + *x86-64*) + LD="${LD-ld} -m elf32_x86_64" + ;; + *) + LD="${LD-ld} -m elf_i386" + ;; + esac + ;; + powerpc64le-*linux*) + LD="${LD-ld} -m elf32lppclinux" + ;; + powerpc64-*linux*) + LD="${LD-ld} -m elf32ppclinux" + ;; + s390x-*linux*) + LD="${LD-ld} -m elf_s390" + ;; + sparc64-*linux*) + LD="${LD-ld} -m elf32_sparc" + ;; + esac + ;; + *64-bit*) + libsuff=64 + case $host in + x86_64-*kfreebsd*-gnu) + LD="${LD-ld} -m elf_x86_64_fbsd" + ;; + x86_64-*linux*) + LD="${LD-ld} -m elf_x86_64" + ;; + powerpcle-*linux*) + LD="${LD-ld} -m elf64lppc" + ;; + powerpc-*linux*) + LD="${LD-ld} -m elf64ppc" + ;; + s390*-*linux*|s390*-*tpf*) + LD="${LD-ld} -m elf64_s390" + ;; + sparc*-*linux*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; + +*-*-sco3.2v5*) + # On SCO OpenServer 5, we need -belf to get full-featured binaries. + SAVE_CFLAGS=$CFLAGS + CFLAGS="$CFLAGS -belf" + AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf, + [AC_LANG_PUSH(C) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no]) + AC_LANG_POP]) + if test yes != "$lt_cv_cc_needs_belf"; then + # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf + CFLAGS=$SAVE_CFLAGS + fi + ;; +*-*solaris*) + # Find out what ABI is being produced by ac_compile, and set linker + # options accordingly. + echo 'int i;' > conftest.$ac_ext + if AC_TRY_EVAL(ac_compile); then + case `/usr/bin/file conftest.o` in + *64-bit*) + case $lt_cv_prog_gnu_ld in + yes*) + case $host in + i?86-*-solaris*|x86_64-*-solaris*) + LD="${LD-ld} -m elf_x86_64" + ;; + sparc*-*-solaris*) + LD="${LD-ld} -m elf64_sparc" + ;; + esac + # GNU ld 2.21 introduced _sol2 emulations. Use them if available. + if ${LD-ld} -V | grep _sol2 >/dev/null 2>&1; then + LD=${LD-ld}_sol2 + fi + ;; + *) + if ${LD-ld} -64 -r -o conftest2.o conftest.o >/dev/null 2>&1; then + LD="${LD-ld} -64" + fi + ;; + esac + ;; + esac + fi + rm -rf conftest* + ;; +esac + +need_locks=$enable_libtool_lock +])# _LT_ENABLE_LOCK + + +# _LT_PROG_AR +# ----------- +m4_defun([_LT_PROG_AR], +[AC_CHECK_TOOLS(AR, [ar], false) +: ${AR=ar} +_LT_DECL([], [AR], [1], [The archiver]) + +# Use ARFLAGS variable as AR's operation code to sync the variable naming with +# Automake. If both AR_FLAGS and ARFLAGS are specified, AR_FLAGS should have +# higher priority because thats what people were doing historically (setting +# ARFLAGS for automake and AR_FLAGS for libtool). FIXME: Make the AR_FLAGS +# variable obsoleted/removed. + +test ${AR_FLAGS+y} || AR_FLAGS=${ARFLAGS-cr} +lt_ar_flags=$AR_FLAGS +_LT_DECL([], [lt_ar_flags], [0], [Flags to create an archive (by configure)]) + +# Make AR_FLAGS overridable by 'make ARFLAGS='. Don't try to run-time override +# by AR_FLAGS because that was never working and AR_FLAGS is about to die. +_LT_DECL([], [AR_FLAGS], [\@S|@{ARFLAGS-"\@S|@lt_ar_flags"}], + [Flags to create an archive]) + +AC_CACHE_CHECK([for archiver @FILE support], [lt_cv_ar_at_file], + [lt_cv_ar_at_file=no + AC_COMPILE_IFELSE([AC_LANG_PROGRAM], + [echo conftest.$ac_objext > conftest.lst + lt_ar_try='$AR $AR_FLAGS libconftest.a @conftest.lst >&AS_MESSAGE_LOG_FD' + AC_TRY_EVAL([lt_ar_try]) + if test 0 -eq "$ac_status"; then + # Ensure the archiver fails upon bogus file names. + rm -f conftest.$ac_objext libconftest.a + AC_TRY_EVAL([lt_ar_try]) + if test 0 -ne "$ac_status"; then + lt_cv_ar_at_file=@ + fi + fi + rm -f conftest.* libconftest.a + ]) + ]) + +if test no = "$lt_cv_ar_at_file"; then + archiver_list_spec= +else + archiver_list_spec=$lt_cv_ar_at_file +fi +_LT_DECL([], [archiver_list_spec], [1], + [How to feed a file listing to the archiver]) +])# _LT_PROG_AR + + +# _LT_CMD_OLD_ARCHIVE +# ------------------- +m4_defun([_LT_CMD_OLD_ARCHIVE], +[_LT_PROG_AR + +AC_CHECK_TOOL(STRIP, strip, :) +test -z "$STRIP" && STRIP=: +_LT_DECL([], [STRIP], [1], [A symbol stripping program]) + +AC_CHECK_TOOL(RANLIB, ranlib, :) +test -z "$RANLIB" && RANLIB=: +_LT_DECL([], [RANLIB], [1], + [Commands used to install an old-style archive]) + +# Determine commands to create old-style static archives. +old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs' +old_postinstall_cmds='chmod 644 $oldlib' +old_postuninstall_cmds= + +if test -n "$RANLIB"; then + case $host_os in + bitrig* | openbsd*) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB -t \$tool_oldlib" + ;; + *) + old_postinstall_cmds="$old_postinstall_cmds~\$RANLIB \$tool_oldlib" + ;; + esac + old_archive_cmds="$old_archive_cmds~\$RANLIB \$tool_oldlib" +fi + +case $host_os in + darwin*) + lock_old_archive_extraction=yes ;; + *) + lock_old_archive_extraction=no ;; +esac +_LT_DECL([], [old_postinstall_cmds], [2]) +_LT_DECL([], [old_postuninstall_cmds], [2]) +_LT_TAGDECL([], [old_archive_cmds], [2], + [Commands used to build an old-style archive]) +_LT_DECL([], [lock_old_archive_extraction], [0], + [Whether to use a lock for old archive extraction]) +])# _LT_CMD_OLD_ARCHIVE + + +# _LT_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, +# [OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE]) +# ---------------------------------------------------------------- +# Check whether the given compiler option works +AC_DEFUN([_LT_COMPILER_OPTION], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_SED])dnl +AC_CACHE_CHECK([$1], [$2], + [$2=no + m4_if([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4]) + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + lt_compiler_flag="$3" ## exclude from sc_useless_quotes_in_assignment + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + # The option is referenced via a variable to avoid confusing sed. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$lt_compile" 2>conftest.err) + ac_status=$? + cat conftest.err >&AS_MESSAGE_LOG_FD + echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD + if (exit $ac_status) && test -s "$ac_outfile"; then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings other than the usual output. + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' >conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if test ! -s conftest.er2 || diff conftest.exp conftest.er2 >/dev/null; then + $2=yes + fi + fi + $RM conftest* +]) + +if test yes = "[$]$2"; then + m4_if([$5], , :, [$5]) +else + m4_if([$6], , :, [$6]) +fi +])# _LT_COMPILER_OPTION + +# Old name: +AU_ALIAS([AC_LIBTOOL_COMPILER_OPTION], [_LT_COMPILER_OPTION]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION], []) + + +# _LT_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS, +# [ACTION-SUCCESS], [ACTION-FAILURE]) +# ---------------------------------------------------- +# Check whether the given linker option works +AC_DEFUN([_LT_LINKER_OPTION], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_SED])dnl +AC_CACHE_CHECK([$1], [$2], + [$2=no + save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS $3" + echo "$lt_simple_link_test_code" > conftest.$ac_ext + if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then + # The linker can only warn and ignore the option if not recognized + # So say no if there are warnings + if test -s conftest.err; then + # Append any errors to the config.log. + cat conftest.err 1>&AS_MESSAGE_LOG_FD + $ECHO "$_lt_linker_boilerplate" | $SED '/^$/d' > conftest.exp + $SED '/^$/d; /^ *+/d' conftest.err >conftest.er2 + if diff conftest.exp conftest.er2 >/dev/null; then + $2=yes + fi + else + $2=yes + fi + fi + $RM -r conftest* + LDFLAGS=$save_LDFLAGS +]) + +if test yes = "[$]$2"; then + m4_if([$4], , :, [$4]) +else + m4_if([$5], , :, [$5]) +fi +])# _LT_LINKER_OPTION + +# Old name: +AU_ALIAS([AC_LIBTOOL_LINKER_OPTION], [_LT_LINKER_OPTION]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_LINKER_OPTION], []) + + +# LT_CMD_MAX_LEN +#--------------- +AC_DEFUN([LT_CMD_MAX_LEN], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +# find the maximum length of command line arguments +AC_MSG_CHECKING([the maximum length of command line arguments]) +AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl + i=0 + teststring=ABCD + + case $build_os in + msdosdjgpp*) + # On DJGPP, this test can blow up pretty badly due to problems in libc + # (any single argument exceeding 2000 bytes causes a buffer overrun + # during glob expansion). Even if it were fixed, the result of this + # check would be larger than it should be. + lt_cv_sys_max_cmd_len=12288; # 12K is about right + ;; + + gnu*) + # Under GNU Hurd, this test is not required because there is + # no limit to the length of command line arguments. + # Libtool will interpret -1 as no limit whatsoever + lt_cv_sys_max_cmd_len=-1; + ;; + + cygwin* | mingw* | cegcc*) + # On Win9x/ME, this test blows up -- it succeeds, but takes + # about 5 minutes as the teststring grows exponentially. + # Worse, since 9x/ME are not pre-emptively multitasking, + # you end up with a "frozen" computer, even though with patience + # the test eventually succeeds (with a max line length of 256k). + # Instead, let's just punt: use the minimum linelength reported by + # all of the supported platforms: 8192 (on NT/2K/XP). + lt_cv_sys_max_cmd_len=8192; + ;; + + mint*) + # On MiNT this can take a long time and run out of memory. + lt_cv_sys_max_cmd_len=8192; + ;; + + amigaos*) + # On AmigaOS with pdksh, this test takes hours, literally. + # So we just punt and use a minimum line length of 8192. + lt_cv_sys_max_cmd_len=8192; + ;; + + bitrig* | darwin* | dragonfly* | freebsd* | netbsd* | openbsd*) + # This has been around since 386BSD, at least. Likely further. + if test -x /sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/sbin/sysctl -n kern.argmax` + elif test -x /usr/sbin/sysctl; then + lt_cv_sys_max_cmd_len=`/usr/sbin/sysctl -n kern.argmax` + else + lt_cv_sys_max_cmd_len=65536 # usable default for all BSDs + fi + # And add a safety zone + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + ;; + + interix*) + # We know the value 262144 and hardcode it with a safety zone (like BSD) + lt_cv_sys_max_cmd_len=196608 + ;; + + os2*) + # The test takes a long time on OS/2. + lt_cv_sys_max_cmd_len=8192 + ;; + + osf*) + # Dr. Hans Ekkehard Plesser reports seeing a kernel panic running configure + # due to this test when exec_disable_arg_limit is 1 on Tru64. It is not + # nice to cause kernel panics so lets avoid the loop below. + # First set a reasonable default. + lt_cv_sys_max_cmd_len=16384 + # + if test -x /sbin/sysconfig; then + case `/sbin/sysconfig -q proc exec_disable_arg_limit` in + *1*) lt_cv_sys_max_cmd_len=-1 ;; + esac + fi + ;; + sco3.2v5*) + lt_cv_sys_max_cmd_len=102400 + ;; + sysv5* | sco5v6* | sysv4.2uw2*) + kargmax=`grep ARG_MAX /etc/conf/cf.d/stune 2>/dev/null` + if test -n "$kargmax"; then + lt_cv_sys_max_cmd_len=`echo $kargmax | sed 's/.*[[ ]]//'` + else + lt_cv_sys_max_cmd_len=32768 + fi + ;; + *) + lt_cv_sys_max_cmd_len=`(getconf ARG_MAX) 2> /dev/null` + if test -n "$lt_cv_sys_max_cmd_len" && \ + test undefined != "$lt_cv_sys_max_cmd_len"; then + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 4` + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \* 3` + else + # Make teststring a little bigger before we do anything with it. + # a 1K string should be a reasonable start. + for i in 1 2 3 4 5 6 7 8; do + teststring=$teststring$teststring + done + SHELL=${SHELL-${CONFIG_SHELL-/bin/sh}} + # If test is not a shell built-in, we'll probably end up computing a + # maximum length that is only half of the actual maximum length, but + # we can't tell. + while { test X`env echo "$teststring$teststring" 2>/dev/null` \ + = "X$teststring$teststring"; } >/dev/null 2>&1 && + test 17 != "$i" # 1/2 MB should be enough + do + i=`expr $i + 1` + teststring=$teststring$teststring + done + # Only check the string length outside the loop. + lt_cv_sys_max_cmd_len=`expr "X$teststring" : ".*" 2>&1` + teststring= + # Add a significant safety factor because C++ compilers can tack on + # massive amounts of additional arguments before passing them to the + # linker. It appears as though 1/2 is a usable value. + lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2` + fi + ;; + esac +]) +if test -n "$lt_cv_sys_max_cmd_len"; then + AC_MSG_RESULT($lt_cv_sys_max_cmd_len) +else + AC_MSG_RESULT(none) +fi +max_cmd_len=$lt_cv_sys_max_cmd_len +_LT_DECL([], [max_cmd_len], [0], + [What is the maximum length of a command?]) +])# LT_CMD_MAX_LEN + +# Old name: +AU_ALIAS([AC_LIBTOOL_SYS_MAX_CMD_LEN], [LT_CMD_MAX_LEN]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN], []) + + +# _LT_HEADER_DLFCN +# ---------------- +m4_defun([_LT_HEADER_DLFCN], +[AC_CHECK_HEADERS([dlfcn.h], [], [], [AC_INCLUDES_DEFAULT])dnl +])# _LT_HEADER_DLFCN + + +# _LT_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE, +# ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING) +# ---------------------------------------------------------------- +m4_defun([_LT_TRY_DLOPEN_SELF], +[m4_require([_LT_HEADER_DLFCN])dnl +if test yes = "$cross_compiling"; then : + [$4] +else + lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 + lt_status=$lt_dlunknown + cat > conftest.$ac_ext <<_LT_EOF +[#line $LINENO "configure" +#include "confdefs.h" + +#if HAVE_DLFCN_H +#include +#endif + +#include + +#ifdef RTLD_GLOBAL +# define LT_DLGLOBAL RTLD_GLOBAL +#else +# ifdef DL_GLOBAL +# define LT_DLGLOBAL DL_GLOBAL +# else +# define LT_DLGLOBAL 0 +# endif +#endif + +/* We may have to define LT_DLLAZY_OR_NOW in the command line if we + find out it does not work in some platform. */ +#ifndef LT_DLLAZY_OR_NOW +# ifdef RTLD_LAZY +# define LT_DLLAZY_OR_NOW RTLD_LAZY +# else +# ifdef DL_LAZY +# define LT_DLLAZY_OR_NOW DL_LAZY +# else +# ifdef RTLD_NOW +# define LT_DLLAZY_OR_NOW RTLD_NOW +# else +# ifdef DL_NOW +# define LT_DLLAZY_OR_NOW DL_NOW +# else +# define LT_DLLAZY_OR_NOW 0 +# endif +# endif +# endif +# endif +#endif + +/* When -fvisibility=hidden is used, assume the code has been annotated + correspondingly for the symbols needed. */ +#if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3)) +int fnord () __attribute__((visibility("default"))); +#endif + +int fnord () { return 42; } +int main () +{ + void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); + int status = $lt_dlunknown; + + if (self) + { + if (dlsym (self,"fnord")) status = $lt_dlno_uscore; + else + { + if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; + else puts (dlerror ()); + } + /* dlclose (self); */ + } + else + puts (dlerror ()); + + return status; +}] +_LT_EOF + if AC_TRY_EVAL(ac_link) && test -s "conftest$ac_exeext" 2>/dev/null; then + (./conftest; exit; ) >&AS_MESSAGE_LOG_FD 2>/dev/null + lt_status=$? + case x$lt_status in + x$lt_dlno_uscore) $1 ;; + x$lt_dlneed_uscore) $2 ;; + x$lt_dlunknown|x*) $3 ;; + esac + else : + # compilation failed + $3 + fi +fi +rm -fr conftest* +])# _LT_TRY_DLOPEN_SELF + + +# LT_SYS_DLOPEN_SELF +# ------------------ +AC_DEFUN([LT_SYS_DLOPEN_SELF], +[m4_require([_LT_HEADER_DLFCN])dnl +if test yes != "$enable_dlopen"; then + enable_dlopen=unknown + enable_dlopen_self=unknown + enable_dlopen_self_static=unknown +else + lt_cv_dlopen=no + lt_cv_dlopen_libs= + + case $host_os in + beos*) + lt_cv_dlopen=load_add_on + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ;; + + mingw* | pw32* | cegcc*) + lt_cv_dlopen=LoadLibrary + lt_cv_dlopen_libs= + ;; + + cygwin*) + lt_cv_dlopen=dlopen + lt_cv_dlopen_libs= + ;; + + darwin*) + # if libdl is installed we need to link against it + AC_CHECK_LIB([dl], [dlopen], + [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl],[ + lt_cv_dlopen=dyld + lt_cv_dlopen_libs= + lt_cv_dlopen_self=yes + ]) + ;; + + tpf*) + # Don't try to run any link tests for TPF. We know it's impossible + # because TPF is a cross-compiler, and we know how we open DSOs. + lt_cv_dlopen=dlopen + lt_cv_dlopen_libs= + lt_cv_dlopen_self=no + ;; + + *) + AC_CHECK_FUNC([shl_load], + [lt_cv_dlopen=shl_load], + [AC_CHECK_LIB([dld], [shl_load], + [lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld], + [AC_CHECK_FUNC([dlopen], + [lt_cv_dlopen=dlopen], + [AC_CHECK_LIB([dl], [dlopen], + [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl], + [AC_CHECK_LIB([svld], [dlopen], + [lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld], + [AC_CHECK_LIB([dld], [dld_link], + [lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld]) + ]) + ]) + ]) + ]) + ]) + ;; + esac + + if test no = "$lt_cv_dlopen"; then + enable_dlopen=no + else + enable_dlopen=yes + fi + + case $lt_cv_dlopen in + dlopen) + save_CPPFLAGS=$CPPFLAGS + test yes = "$ac_cv_header_dlfcn_h" && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" + + save_LDFLAGS=$LDFLAGS + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" + + save_LIBS=$LIBS + LIBS="$lt_cv_dlopen_libs $LIBS" + + AC_CACHE_CHECK([whether a program can dlopen itself], + lt_cv_dlopen_self, [dnl + _LT_TRY_DLOPEN_SELF( + lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes, + lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) + ]) + + if test yes = "$lt_cv_dlopen_self"; then + wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\" + AC_CACHE_CHECK([whether a statically linked program can dlopen itself], + lt_cv_dlopen_self_static, [dnl + _LT_TRY_DLOPEN_SELF( + lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes, + lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross) + ]) + fi + + CPPFLAGS=$save_CPPFLAGS + LDFLAGS=$save_LDFLAGS + LIBS=$save_LIBS + ;; + esac + + case $lt_cv_dlopen_self in + yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; + *) enable_dlopen_self=unknown ;; + esac + + case $lt_cv_dlopen_self_static in + yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; + *) enable_dlopen_self_static=unknown ;; + esac +fi +_LT_DECL([dlopen_support], [enable_dlopen], [0], + [Whether dlopen is supported]) +_LT_DECL([dlopen_self], [enable_dlopen_self], [0], + [Whether dlopen of programs is supported]) +_LT_DECL([dlopen_self_static], [enable_dlopen_self_static], [0], + [Whether dlopen of statically linked programs is supported]) +])# LT_SYS_DLOPEN_SELF + +# Old name: +AU_ALIAS([AC_LIBTOOL_DLOPEN_SELF], [LT_SYS_DLOPEN_SELF]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF], []) + + +# _LT_COMPILER_C_O([TAGNAME]) +# --------------------------- +# Check to see if options -c and -o are simultaneously supported by compiler. +# This macro does not hard code the compiler like AC_PROG_CC_C_O. +m4_defun([_LT_COMPILER_C_O], +[m4_require([_LT_DECL_SED])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_TAG_COMPILER])dnl +AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext], + [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)], + [_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no + $RM -r conftest 2>/dev/null + mkdir conftest + cd conftest + mkdir out + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + lt_compiler_flag="-o out/conftest2.$ac_objext" + # Insert the option either (1) after the last *FLAGS variable, or + # (2) before a word containing "conftest.", or (3) at the end. + # Note that $ac_compile itself does not contain backslashes and begins + # with a dollar sign (not a hyphen), so the echo should work correctly. + lt_compile=`echo "$ac_compile" | $SED \ + -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \ + -e 's: [[^ ]]*conftest\.: $lt_compiler_flag&:; t' \ + -e 's:$: $lt_compiler_flag:'` + (eval echo "\"\$as_me:$LINENO: $lt_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$lt_compile" 2>out/conftest.err) + ac_status=$? + cat out/conftest.err >&AS_MESSAGE_LOG_FD + echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD + if (exit $ac_status) && test -s out/conftest2.$ac_objext + then + # The compiler can only warn and ignore the option if not recognized + # So say no if there are warnings + $ECHO "$_lt_compiler_boilerplate" | $SED '/^$/d' > out/conftest.exp + $SED '/^$/d; /^ *+/d' out/conftest.err >out/conftest.er2 + if test ! -s out/conftest.er2 || diff out/conftest.exp out/conftest.er2 >/dev/null; then + _LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes + fi + fi + chmod u+w . 2>&AS_MESSAGE_LOG_FD + $RM conftest* + # SGI C++ compiler will create directory out/ii_files/ for + # template instantiation + test -d out/ii_files && $RM out/ii_files/* && rmdir out/ii_files + $RM out/* && rmdir out + cd .. + $RM -r conftest + $RM conftest* +]) +_LT_TAGDECL([compiler_c_o], [lt_cv_prog_compiler_c_o], [1], + [Does compiler simultaneously support -c and -o options?]) +])# _LT_COMPILER_C_O + + +# _LT_COMPILER_FILE_LOCKS([TAGNAME]) +# ---------------------------------- +# Check to see if we can do hard links to lock some files if needed +m4_defun([_LT_COMPILER_FILE_LOCKS], +[m4_require([_LT_ENABLE_LOCK])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +_LT_COMPILER_C_O([$1]) + +hard_links=nottested +if test no = "$_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)" && test no != "$need_locks"; then + # do not overwrite the value of need_locks provided by the user + AC_MSG_CHECKING([if we can lock with hard links]) + hard_links=yes + $RM conftest* + ln conftest.a conftest.b 2>/dev/null && hard_links=no + touch conftest.a + ln conftest.a conftest.b 2>&5 || hard_links=no + ln conftest.a conftest.b 2>/dev/null && hard_links=no + AC_MSG_RESULT([$hard_links]) + if test no = "$hard_links"; then + AC_MSG_WARN(['$CC' does not support '-c -o', so 'make -j' may be unsafe]) + need_locks=warn + fi +else + need_locks=no +fi +_LT_DECL([], [need_locks], [1], [Must we lock files when doing compilation?]) +])# _LT_COMPILER_FILE_LOCKS + + +# _LT_CHECK_OBJDIR +# ---------------- +m4_defun([_LT_CHECK_OBJDIR], +[AC_CACHE_CHECK([for objdir], [lt_cv_objdir], +[rm -f .libs 2>/dev/null +mkdir .libs 2>/dev/null +if test -d .libs; then + lt_cv_objdir=.libs +else + # MS-DOS does not allow filenames that begin with a dot. + lt_cv_objdir=_libs +fi +rmdir .libs 2>/dev/null]) +objdir=$lt_cv_objdir +_LT_DECL([], [objdir], [0], + [The name of the directory that contains temporary libtool files])dnl +m4_pattern_allow([LT_OBJDIR])dnl +AC_DEFINE_UNQUOTED([LT_OBJDIR], "$lt_cv_objdir/", + [Define to the sub-directory where libtool stores uninstalled libraries.]) +])# _LT_CHECK_OBJDIR + + +# _LT_LINKER_HARDCODE_LIBPATH([TAGNAME]) +# -------------------------------------- +# Check hardcoding attributes. +m4_defun([_LT_LINKER_HARDCODE_LIBPATH], +[AC_MSG_CHECKING([how to hardcode library paths into programs]) +_LT_TAGVAR(hardcode_action, $1)= +if test -n "$_LT_TAGVAR(hardcode_libdir_flag_spec, $1)" || + test -n "$_LT_TAGVAR(runpath_var, $1)" || + test yes = "$_LT_TAGVAR(hardcode_automatic, $1)"; then + + # We can hardcode non-existent directories. + if test no != "$_LT_TAGVAR(hardcode_direct, $1)" && + # If the only mechanism to avoid hardcoding is shlibpath_var, we + # have to relink, otherwise we might link with an installed library + # when we should be linking with a yet-to-be-installed one + ## test no != "$_LT_TAGVAR(hardcode_shlibpath_var, $1)" && + test no != "$_LT_TAGVAR(hardcode_minus_L, $1)"; then + # Linking always hardcodes the temporary library directory. + _LT_TAGVAR(hardcode_action, $1)=relink + else + # We can link without hardcoding, and we can hardcode nonexisting dirs. + _LT_TAGVAR(hardcode_action, $1)=immediate + fi +else + # We cannot hardcode anything, or else we can only hardcode existing + # directories. + _LT_TAGVAR(hardcode_action, $1)=unsupported +fi +AC_MSG_RESULT([$_LT_TAGVAR(hardcode_action, $1)]) + +if test relink = "$_LT_TAGVAR(hardcode_action, $1)" || + test yes = "$_LT_TAGVAR(inherit_rpath, $1)"; then + # Fast installation is not supported + enable_fast_install=no +elif test yes = "$shlibpath_overrides_runpath" || + test no = "$enable_shared"; then + # Fast installation is not necessary + enable_fast_install=needless +fi +_LT_TAGDECL([], [hardcode_action], [0], + [How to hardcode a shared library path into an executable]) +])# _LT_LINKER_HARDCODE_LIBPATH + + +# _LT_CMD_STRIPLIB +# ---------------- +m4_defun([_LT_CMD_STRIPLIB], +[m4_require([_LT_DECL_EGREP]) +striplib= +old_striplib= +AC_MSG_CHECKING([whether stripping libraries is possible]) +if test -z "$STRIP"; then + AC_MSG_RESULT([no]) +else + if $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then + old_striplib="$STRIP --strip-debug" + striplib="$STRIP --strip-unneeded" + AC_MSG_RESULT([yes]) + else + case $host_os in + darwin*) + # FIXME - insert some real tests, host_os isn't really good enough + striplib="$STRIP -x" + old_striplib="$STRIP -S" + AC_MSG_RESULT([yes]) + ;; + freebsd*) + if $STRIP -V 2>&1 | $GREP "elftoolchain" >/dev/null; then + old_striplib="$STRIP --strip-debug" + striplib="$STRIP --strip-unneeded" + AC_MSG_RESULT([yes]) + else + AC_MSG_RESULT([no]) + fi + ;; + *) + AC_MSG_RESULT([no]) + ;; + esac + fi +fi +_LT_DECL([], [old_striplib], [1], [Commands to strip libraries]) +_LT_DECL([], [striplib], [1]) +])# _LT_CMD_STRIPLIB + + +# _LT_PREPARE_MUNGE_PATH_LIST +# --------------------------- +# Make sure func_munge_path_list() is defined correctly. +m4_defun([_LT_PREPARE_MUNGE_PATH_LIST], +[[# func_munge_path_list VARIABLE PATH +# ----------------------------------- +# VARIABLE is name of variable containing _space_ separated list of +# directories to be munged by the contents of PATH, which is string +# having a format: +# "DIR[:DIR]:" +# string "DIR[ DIR]" will be prepended to VARIABLE +# ":DIR[:DIR]" +# string "DIR[ DIR]" will be appended to VARIABLE +# "DIRP[:DIRP]::[DIRA:]DIRA" +# string "DIRP[ DIRP]" will be prepended to VARIABLE and string +# "DIRA[ DIRA]" will be appended to VARIABLE +# "DIR[:DIR]" +# VARIABLE will be replaced by "DIR[ DIR]" +func_munge_path_list () +{ + case x@S|@2 in + x) + ;; + *:) + eval @S|@1=\"`$ECHO @S|@2 | $SED 's/:/ /g'` \@S|@@S|@1\" + ;; + x:*) + eval @S|@1=\"\@S|@@S|@1 `$ECHO @S|@2 | $SED 's/:/ /g'`\" + ;; + *::*) + eval @S|@1=\"\@S|@@S|@1\ `$ECHO @S|@2 | $SED -e 's/.*:://' -e 's/:/ /g'`\" + eval @S|@1=\"`$ECHO @S|@2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \@S|@@S|@1\" + ;; + *) + eval @S|@1=\"`$ECHO @S|@2 | $SED 's/:/ /g'`\" + ;; + esac +} +]])# _LT_PREPARE_PATH_LIST + + +# _LT_SYS_DYNAMIC_LINKER([TAG]) +# ----------------------------- +# PORTME Fill in your ld.so characteristics +m4_defun([_LT_SYS_DYNAMIC_LINKER], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_OBJDUMP])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_CHECK_SHELL_FEATURES])dnl +m4_require([_LT_PREPARE_MUNGE_PATH_LIST])dnl +AC_MSG_CHECKING([dynamic linker characteristics]) +m4_if([$1], + [], [ +if test yes = "$GCC"; then + case $host_os in + darwin*) lt_awk_arg='/^libraries:/,/LR/' ;; + *) lt_awk_arg='/^libraries:/' ;; + esac + case $host_os in + mingw* | cegcc*) lt_sed_strip_eq='s|=\([[A-Za-z]]:\)|\1|g' ;; + *) lt_sed_strip_eq='s|=/|/|g' ;; + esac + lt_search_path_spec=`$CC -print-search-dirs | awk $lt_awk_arg | $SED -e "s/^libraries://" -e $lt_sed_strip_eq` + case $lt_search_path_spec in + *\;*) + # if the path contains ";" then we assume it to be the separator + # otherwise default to the standard path separator (i.e. ":") - it is + # assumed that no part of a normal pathname contains ";" but that should + # okay in the real world where ";" in dirpaths is itself problematic. + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED 's/;/ /g'` + ;; + *) + lt_search_path_spec=`$ECHO "$lt_search_path_spec" | $SED "s/$PATH_SEPARATOR/ /g"` + ;; + esac + # Ok, now we have the path, separated by spaces, we can step through it + # and add multilib dir if necessary... + lt_tmp_lt_search_path_spec= + lt_multi_os_dir=/`$CC $CPPFLAGS $CFLAGS $LDFLAGS -print-multi-os-directory 2>/dev/null` + # ...but if some path component already ends with the multilib dir we assume + # that all is fine and trust -print-search-dirs as is (GCC 4.2? or newer). + case "$lt_multi_os_dir; $lt_search_path_spec " in + "/; "* | "/.; "* | "/./; "* | *"$lt_multi_os_dir "* | *"$lt_multi_os_dir/ "*) + lt_multi_os_dir= + ;; + esac + for lt_sys_path in $lt_search_path_spec; do + if test -d "$lt_sys_path$lt_multi_os_dir"; then + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path$lt_multi_os_dir" + elif test -n "$lt_multi_os_dir"; then + test -d "$lt_sys_path" && \ + lt_tmp_lt_search_path_spec="$lt_tmp_lt_search_path_spec $lt_sys_path" + fi + done + lt_search_path_spec=`$ECHO "$lt_tmp_lt_search_path_spec" | awk ' +BEGIN {RS = " "; FS = "/|\n";} { + lt_foo = ""; + lt_count = 0; + for (lt_i = NF; lt_i > 0; lt_i--) { + if ($lt_i != "" && $lt_i != ".") { + if ($lt_i == "..") { + lt_count++; + } else { + if (lt_count == 0) { + lt_foo = "/" $lt_i lt_foo; + } else { + lt_count--; + } + } + } + } + if (lt_foo != "") { lt_freq[[lt_foo]]++; } + if (lt_freq[[lt_foo]] == 1) { print lt_foo; } +}'` + # AWK program above erroneously prepends '/' to C:/dos/paths + # for these hosts. + case $host_os in + mingw* | cegcc*) lt_search_path_spec=`$ECHO "$lt_search_path_spec" |\ + $SED 's|/\([[A-Za-z]]:\)|\1|g'` ;; + esac + sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP` +else + sys_lib_search_path_spec="/lib$libsuff /usr/lib$libsuff /usr/local/lib$libsuff" +fi]) +library_names_spec= +libname_spec='lib$name' +soname_spec= +shrext_cmds=.so +postinstall_cmds= +postuninstall_cmds= +finish_cmds= +finish_eval= +shlibpath_var= +shlibpath_overrides_runpath=unknown +version_type=none +dynamic_linker="$host_os ld.so" +sys_lib_dlsearch_path_spec="/lib$libsuff /usr/lib$libsuff" +need_lib_prefix=unknown +hardcode_into_libs=no + +# when you set need_version to no, make sure it does not cause -set_version +# flags to be left without arguments +need_version=unknown + +AC_ARG_VAR([LT_SYS_LIBRARY_PATH], +[User-defined run-time library search path.]) + +case $host_os in +aix3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname.a' + shlibpath_var=LIBPATH + + # AIX 3 has no versioning support, so we append a major version to the name. + soname_spec='$libname$release$shared_ext$major' + ;; + +aix[[4-9]]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + hardcode_into_libs=yes + if test ia64 = "$host_cpu"; then + # AIX 5 supports IA64 + library_names_spec='$libname$release$shared_ext$major $libname$release$shared_ext$versuffix $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + else + # With GCC up to 2.95.x, collect2 would create an import file + # for dependence libraries. The import file would start with + # the line '#! .'. This would cause the generated library to + # depend on '.', always an invalid library. This was fixed in + # development snapshots of GCC prior to 3.0. + case $host_os in + aix4 | aix4.[[01]] | aix4.[[01]].*) + if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)' + echo ' yes ' + echo '#endif'; } | $CC -E - | $GREP yes > /dev/null; then + : + else + can_build_shared=no + fi + ;; + esac + # Using Import Files as archive members, it is possible to support + # filename-based versioning of shared library archives on AIX. While + # this would work for both with and without runtime linking, it will + # prevent static linking of such archives. So we do filename-based + # shared library versioning with .so extension only, which is used + # when both runtime linking and shared linking is enabled. + # Unfortunately, runtime linking may impact performance, so we do + # not want this to be the default eventually. Also, we use the + # versioned .so libs for executables only if there is the -brtl + # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only. + # To allow for filename-based versioning support, we need to create + # libNAME.so.V as an archive file, containing: + # *) an Import File, referring to the versioned filename of the + # archive as well as the shared archive member, telling the + # bitwidth (32 or 64) of that shared object, and providing the + # list of exported symbols of that shared object, eventually + # decorated with the 'weak' keyword + # *) the shared object with the F_LOADONLY flag set, to really avoid + # it being seen by the linker. + # At run time we better use the real file rather than another symlink, + # but for link time we create the symlink libNAME.so -> libNAME.so.V + + case $with_aix_soname,$aix_use_runtimelinking in + # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct + # soname into executable. Probably we can add versioning support to + # collect2, so additional links can be useful in future. + aix,yes) # traditional libtool + dynamic_linker='AIX unversionable lib.so' + # If using run time linking (on AIX 4.2 or later) use lib.so + # instead of lib.a to let people know that these are not + # typical AIX shared libraries. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + ;; + aix,no) # traditional AIX only + dynamic_linker='AIX lib.a[(]lib.so.V[)]' + # We preserve .a as extension for shared libraries through AIX4.2 + # and later when we are not doing run time linking. + library_names_spec='$libname$release.a $libname.a' + soname_spec='$libname$release$shared_ext$major' + ;; + svr4,*) # full svr4 only + dynamic_linker="AIX lib.so.V[(]$shared_archive_member_spec.o[)]" + library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' + # We do not specify a path in Import Files, so LIBPATH fires. + shlibpath_overrides_runpath=yes + ;; + *,yes) # both, prefer svr4 + dynamic_linker="AIX lib.so.V[(]$shared_archive_member_spec.o[)], lib.a[(]lib.so.V[)]" + library_names_spec='$libname$release$shared_ext$major $libname$shared_ext' + # unpreferred sharedlib libNAME.a needs extra handling + postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"' + postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"' + # We do not specify a path in Import Files, so LIBPATH fires. + shlibpath_overrides_runpath=yes + ;; + *,no) # both, prefer aix + dynamic_linker="AIX lib.a[(]lib.so.V[)], lib.so.V[(]$shared_archive_member_spec.o[)]" + library_names_spec='$libname$release.a $libname.a' + soname_spec='$libname$release$shared_ext$major' + # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling + postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)' + postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"' + ;; + esac + shlibpath_var=LIBPATH + fi + ;; + +amigaos*) + case $host_cpu in + powerpc) + # Since July 2007 AmigaOS4 officially supports .so libraries. + # When compiling the executable, add -use-dynld -Lsobjs: to the compileline. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + ;; + m68k) + library_names_spec='$libname.ixlibrary $libname.a' + # Create ${libname}_ixlibrary.a entries in /sys/libs. + finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`func_echo_all "$lib" | $SED '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; $RM /sys/libs/${libname}_ixlibrary.a; $show "cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a"; cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a || exit 1; done' + ;; + esac + ;; + +beos*) + library_names_spec='$libname$shared_ext' + dynamic_linker="$host_os ld.so" + shlibpath_var=LIBRARY_PATH + ;; + +bsdi[[45]]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" + sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" + # the default ld.so.conf also contains /usr/contrib/lib and + # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow + # libtool to hard-code these into programs + ;; + +cygwin* | mingw* | pw32* | cegcc*) + version_type=windows + shrext_cmds=.dll + need_version=no + need_lib_prefix=no + + case $GCC,$cc_basename in + yes,*) + # gcc + library_names_spec='$libname.dll.a' + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + + case $host_os in + cygwin*) + # Cygwin DLLs use 'cyg' prefix rather than 'lib' + soname_spec='`echo $libname | sed -e 's/^lib/cyg/'``echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext' +m4_if([$1], [],[ + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api"]) + ;; + mingw* | cegcc*) + # MinGW DLLs use traditional 'lib' prefix + soname_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext' + ;; + pw32*) + # pw32 DLLs use 'pw' prefix rather than 'lib' + library_names_spec='`echo $libname | sed -e 's/^lib/pw/'``echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext' + ;; + esac + dynamic_linker='Win32 ld.exe' + ;; + + *,cl* | *,icl*) + # Native MSVC or ICC + libname_spec='$name' + soname_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext' + library_names_spec='$libname.dll.lib' + + case $build_os in + mingw*) + sys_lib_search_path_spec= + lt_save_ifs=$IFS + IFS=';' + for lt_path in $LIB + do + IFS=$lt_save_ifs + # Let DOS variable expansion print the short 8.3 style file name. + lt_path=`cd "$lt_path" 2>/dev/null && cmd //C "for %i in (".") do @echo %~si"` + sys_lib_search_path_spec="$sys_lib_search_path_spec $lt_path" + done + IFS=$lt_save_ifs + # Convert to MSYS style. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | sed -e 's|\\\\|/|g' -e 's| \\([[a-zA-Z]]\\):| /\\1|g' -e 's|^ ||'` + ;; + cygwin*) + # Convert to unix form, then to dos form, then back to unix form + # but this time dos style (no spaces!) so that the unix form looks + # like /cygdrive/c/PROGRA~1:/cygdr... + sys_lib_search_path_spec=`cygpath --path --unix "$LIB"` + sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec" 2>/dev/null` + sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + ;; + *) + sys_lib_search_path_spec=$LIB + if $ECHO "$sys_lib_search_path_spec" | [$GREP ';[c-zC-Z]:/' >/dev/null]; then + # It is most probably a Windows format PATH. + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e 's/;/ /g'` + else + sys_lib_search_path_spec=`$ECHO "$sys_lib_search_path_spec" | $SED -e "s/$PATH_SEPARATOR/ /g"` + fi + # FIXME: find the short name or the path components, as spaces are + # common. (e.g. "Program Files" -> "PROGRA~1") + ;; + esac + + # DLL is installed to $(libdir)/../bin by postinstall_cmds + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; echo \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; echo \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + shlibpath_overrides_runpath=yes + dynamic_linker='Win32 link.exe' + ;; + + *) + # Assume MSVC and ICC wrapper + library_names_spec='$libname`echo $release | $SED -e 's/[[.]]/-/g'`$versuffix$shared_ext $libname.lib' + dynamic_linker='Win32 ld.exe' + ;; + esac + # FIXME: first we should search . and the directory the executable is in + shlibpath_var=PATH + ;; + +darwin* | rhapsody*) + dynamic_linker="$host_os dyld" + version_type=darwin + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$major$shared_ext $libname$shared_ext' + soname_spec='$libname$release$major$shared_ext' + shlibpath_overrides_runpath=yes + shlibpath_var=DYLD_LIBRARY_PATH + shrext_cmds='`test .$module = .yes && echo .so || echo .dylib`' +m4_if([$1], [],[ + sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/local/lib"]) + sys_lib_dlsearch_path_spec='/usr/local/lib /lib /usr/lib' + ;; + +dgux*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +freebsd* | dragonfly*) + # DragonFly does not have aout. When/if they implement a new + # versioning mechanism, adjust this. + if test -x /usr/bin/objformat; then + objformat=`/usr/bin/objformat` + else + case $host_os in + freebsd[[23]].*) objformat=aout ;; + *) objformat=elf ;; + esac + fi + version_type=freebsd-$objformat + case $version_type in + freebsd-elf*) + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + need_version=no + need_lib_prefix=no + ;; + freebsd-*) + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + need_version=yes + ;; + esac + shlibpath_var=LD_LIBRARY_PATH + case $host_os in + freebsd2.*) + shlibpath_overrides_runpath=yes + ;; + freebsd3.[[01]]* | freebsdelf3.[[01]]*) + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + freebsd3.[[2-9]]* | freebsdelf3.[[2-9]]* | \ + freebsd4.[[0-5]] | freebsdelf4.[[0-5]] | freebsd4.1.1 | freebsdelf4.1.1) + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + *) # from 4.6 on, and DragonFly + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + esac + ;; + +haiku*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + dynamic_linker="$host_os runtime_loader" + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LIBRARY_PATH + shlibpath_overrides_runpath=no + sys_lib_dlsearch_path_spec='/boot/home/config/lib /boot/common/lib /boot/system/lib' + hardcode_into_libs=yes + ;; + +hpux9* | hpux10* | hpux11*) + # Give a soname corresponding to the major version so that dld.sl refuses to + # link against other versions. + version_type=sunos + need_lib_prefix=no + need_version=no + case $host_cpu in + ia64*) + shrext_cmds='.so' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.so" + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + if test 32 = "$HPUX_IA64_MODE"; then + sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib" + sys_lib_dlsearch_path_spec=/usr/lib/hpux32 + else + sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64" + sys_lib_dlsearch_path_spec=/usr/lib/hpux64 + fi + ;; + hppa*64*) + shrext_cmds='.sl' + hardcode_into_libs=yes + dynamic_linker="$host_os dld.sl" + shlibpath_var=LD_LIBRARY_PATH # How should we handle SHLIB_PATH + shlibpath_overrides_runpath=yes # Unless +noenvvar is specified. + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + sys_lib_search_path_spec="/usr/lib/pa20_64 /usr/ccs/lib/pa20_64" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + *) + shrext_cmds='.sl' + dynamic_linker="$host_os dld.sl" + shlibpath_var=SHLIB_PATH + shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + ;; + esac + # HP-UX runs *really* slowly unless shared libraries are mode 555, ... + postinstall_cmds='chmod 555 $lib' + # or fails outright, so override atomically: + install_override_mode=555 + ;; + +interix[[3-9]]*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + dynamic_linker='Interix 3.x ld.so.1 (PE, like ELF)' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +irix5* | irix6* | nonstopux*) + case $host_os in + nonstopux*) version_type=nonstopux ;; + *) + if test yes = "$lt_cv_prog_gnu_ld"; then + version_type=linux # correct to gnu/linux during the next big refactor + else + version_type=irix + fi ;; + esac + need_lib_prefix=no + need_version=no + soname_spec='$libname$release$shared_ext$major' + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$release$shared_ext $libname$shared_ext' + case $host_os in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in # libtool.m4 will add one of these switches to LD + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") + libsuff= shlibsuff= libmagic=32-bit;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") + libsuff=32 shlibsuff=N32 libmagic=N32;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") + libsuff=64 shlibsuff=64 libmagic=64-bit;; + *) libsuff= shlibsuff= libmagic=never-match;; + esac + ;; + esac + shlibpath_var=LD_LIBRARY${shlibsuff}_PATH + shlibpath_overrides_runpath=no + sys_lib_search_path_spec="/usr/lib$libsuff /lib$libsuff /usr/local/lib$libsuff" + sys_lib_dlsearch_path_spec="/usr/lib$libsuff /lib$libsuff" + hardcode_into_libs=yes + ;; + +# No shared lib support for Linux oldld, aout, or coff. +linux*oldld* | linux*aout* | linux*coff*) + dynamic_linker=no + ;; + +linux*android*) + version_type=none # Android doesn't support versioned libraries. + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext' + soname_spec='$libname$release$shared_ext' + finish_cmds= + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + dynamic_linker='Android linker' + # Don't embed -rpath directories since the linker doesn't support them. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + + # Some binutils ld are patched to set DT_RUNPATH + AC_CACHE_VAL([lt_cv_shlibpath_overrides_runpath], + [lt_cv_shlibpath_overrides_runpath=no + save_LDFLAGS=$LDFLAGS + save_libdir=$libdir + eval "libdir=/foo; wl=\"$_LT_TAGVAR(lt_prog_compiler_wl, $1)\"; \ + LDFLAGS=\"\$LDFLAGS $_LT_TAGVAR(hardcode_libdir_flag_spec, $1)\"" + AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])], + [AS_IF([ ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null], + [lt_cv_shlibpath_overrides_runpath=yes])]) + LDFLAGS=$save_LDFLAGS + libdir=$save_libdir + ]) + shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath + + # This implies no fast_install, which is unacceptable. + # Some rework will be needed to allow for fast_install + # before this can be enabled. + hardcode_into_libs=yes + + # Ideally, we could use ldconfig to report *all* directores which are + # searched for libraries, however this is still not possible. Aside from not + # being certain /sbin/ldconfig is available, command + # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64, + # even though it is searched at run-time. Try to do the best guess by + # appending ld.so.conf contents (and includes) to the search path. + if test -f /etc/ld.so.conf; then + lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` + sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra" + fi + + # We used to test for /lib/ld.so.1 and disable shared libraries on + # powerpc, because MkLinux only supported shared libraries with the + # GNU dynamic linker. Since this was broken with cross compilers, + # most powerpc-linux boxes support dynamic linking these days and + # people can always --disable-shared, the test was removed, and we + # assume the GNU/Linux dynamic linker is in use. + dynamic_linker='GNU/Linux ld.so' + ;; + +netbsd*) + version_type=sunos + need_lib_prefix=no + need_version=no + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + dynamic_linker='NetBSD (a.out) ld.so' + else + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + dynamic_linker='NetBSD ld.elf_so' + fi + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + ;; + +newsos6) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +*nto* | *qnx*) + version_type=qnx + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + dynamic_linker='ldqnx.so' + ;; + +openbsd* | bitrig*) + version_type=sunos + sys_lib_dlsearch_path_spec=/usr/lib + need_lib_prefix=no + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + need_version=no + else + need_version=yes + fi + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + ;; + +os2*) + libname_spec='$name' + version_type=windows + shrext_cmds=.dll + need_version=no + need_lib_prefix=no + # OS/2 can only load a DLL with a base name of 8 characters or less. + soname_spec='`test -n "$os2dllname" && libname="$os2dllname"; + v=$($ECHO $release$versuffix | tr -d .-); + n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _); + $ECHO $n$v`$shared_ext' + library_names_spec='${libname}_dll.$libext' + dynamic_linker='OS/2 ld.exe' + shlibpath_var=BEGINLIBPATH + sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + postinstall_cmds='base_file=`basename \$file`~ + dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~ + dldir=$destdir/`dirname \$dlpath`~ + test -d \$dldir || mkdir -p \$dldir~ + $install_prog $dir/$dlname \$dldir/$dlname~ + chmod a+x \$dldir/$dlname~ + if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then + eval '\''$striplib \$dldir/$dlname'\'' || exit \$?; + fi' + postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~ + dlpath=$dir/\$dldll~ + $RM \$dlpath' + ;; + +osf3* | osf4* | osf5*) + version_type=osf + need_lib_prefix=no + need_version=no + soname_spec='$libname$release$shared_ext$major' + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" + sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec + ;; + +rdos*) + dynamic_linker=no + ;; + +solaris*) + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + # ldd complains unless libraries are executable + postinstall_cmds='chmod +x $lib' + ;; + +sunos4*) + version_type=sunos + library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix' + finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + if test yes = "$with_gnu_ld"; then + need_lib_prefix=no + fi + need_version=yes + ;; + +sysv4 | sysv4.3*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + case $host_vendor in + sni) + shlibpath_overrides_runpath=no + need_lib_prefix=no + runpath_var=LD_RUN_PATH + ;; + siemens) + need_lib_prefix=no + ;; + motorola) + need_lib_prefix=no + need_version=no + shlibpath_overrides_runpath=no + sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' + ;; + esac + ;; + +sysv4*MP*) + if test -d /usr/nec; then + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$shared_ext.$versuffix $libname$shared_ext.$major $libname$shared_ext' + soname_spec='$libname$shared_ext.$major' + shlibpath_var=LD_LIBRARY_PATH + fi + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + version_type=sco + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=yes + hardcode_into_libs=yes + if test yes = "$with_gnu_ld"; then + sys_lib_search_path_spec='/usr/local/lib /usr/gnu/lib /usr/ccs/lib /usr/lib /lib' + else + sys_lib_search_path_spec='/usr/ccs/lib /usr/lib' + case $host_os in + sco3.2v5*) + sys_lib_search_path_spec="$sys_lib_search_path_spec /lib" + ;; + esac + fi + sys_lib_dlsearch_path_spec='/usr/lib' + ;; + +tpf*) + # TPF is a cross-target only. Preferred cross-host = GNU/Linux. + version_type=linux # correct to gnu/linux during the next big refactor + need_lib_prefix=no + need_version=no + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + shlibpath_var=LD_LIBRARY_PATH + shlibpath_overrides_runpath=no + hardcode_into_libs=yes + ;; + +uts4*) + version_type=linux # correct to gnu/linux during the next big refactor + library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext' + soname_spec='$libname$release$shared_ext$major' + shlibpath_var=LD_LIBRARY_PATH + ;; + +*) + dynamic_linker=no + ;; +esac +AC_MSG_RESULT([$dynamic_linker]) +test no = "$dynamic_linker" && can_build_shared=no + +variables_saved_for_relink="PATH $shlibpath_var $runpath_var" +if test yes = "$GCC"; then + variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" +fi + +if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then + sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec +fi + +if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then + sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec +fi + +# remember unaugmented sys_lib_dlsearch_path content for libtool script decls... +configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec + +# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code +func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH" + +# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool +configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH + +_LT_DECL([], [variables_saved_for_relink], [1], + [Variables whose values should be saved in libtool wrapper scripts and + restored at link time]) +_LT_DECL([], [need_lib_prefix], [0], + [Do we need the "lib" prefix for modules?]) +_LT_DECL([], [need_version], [0], [Do we need a version for libraries?]) +_LT_DECL([], [version_type], [0], [Library versioning type]) +_LT_DECL([], [runpath_var], [0], [Shared library runtime path variable]) +_LT_DECL([], [shlibpath_var], [0],[Shared library path variable]) +_LT_DECL([], [shlibpath_overrides_runpath], [0], + [Is shlibpath searched before the hard-coded library search path?]) +_LT_DECL([], [libname_spec], [1], [Format of library name prefix]) +_LT_DECL([], [library_names_spec], [1], + [[List of archive names. First name is the real one, the rest are links. + The last name is the one that the linker finds with -lNAME]]) +_LT_DECL([], [soname_spec], [1], + [[The coded name of the library, if different from the real name]]) +_LT_DECL([], [install_override_mode], [1], + [Permission mode override for installation of shared libraries]) +_LT_DECL([], [postinstall_cmds], [2], + [Command to use after installation of a shared archive]) +_LT_DECL([], [postuninstall_cmds], [2], + [Command to use after uninstallation of a shared archive]) +_LT_DECL([], [finish_cmds], [2], + [Commands used to finish a libtool library installation in a directory]) +_LT_DECL([], [finish_eval], [1], + [[As "finish_cmds", except a single script fragment to be evaled but + not shown]]) +_LT_DECL([], [hardcode_into_libs], [0], + [Whether we should hardcode library paths into libraries]) +_LT_DECL([], [sys_lib_search_path_spec], [2], + [Compile-time system search path for libraries]) +_LT_DECL([sys_lib_dlsearch_path_spec], [configure_time_dlsearch_path], [2], + [Detected run-time system search path for libraries]) +_LT_DECL([], [configure_time_lt_sys_library_path], [2], + [Explicit LT_SYS_LIBRARY_PATH set during ./configure time]) +])# _LT_SYS_DYNAMIC_LINKER + + +# _LT_PATH_TOOL_PREFIX(TOOL) +# -------------------------- +# find a file program that can recognize shared library +AC_DEFUN([_LT_PATH_TOOL_PREFIX], +[m4_require([_LT_DECL_EGREP])dnl +AC_MSG_CHECKING([for $1]) +AC_CACHE_VAL(lt_cv_path_MAGIC_CMD, +[case $MAGIC_CMD in +[[\\/*] | ?:[\\/]*]) + lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path. + ;; +*) + lt_save_MAGIC_CMD=$MAGIC_CMD + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR +dnl $ac_dummy forces splitting on constant user-supplied paths. +dnl POSIX.2 word splitting is done only on the output of word expansions, +dnl not every word. This closes a longstanding sh security hole. + ac_dummy="m4_if([$2], , $PATH, [$2])" + for ac_dir in $ac_dummy; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$1"; then + lt_cv_path_MAGIC_CMD=$ac_dir/"$1" + if test -n "$file_magic_test_file"; then + case $deplibs_check_method in + "file_magic "*) + file_magic_regex=`expr "$deplibs_check_method" : "file_magic \(.*\)"` + MAGIC_CMD=$lt_cv_path_MAGIC_CMD + if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | + $EGREP "$file_magic_regex" > /dev/null; then + : + else + cat <<_LT_EOF 1>&2 + +*** Warning: the command libtool uses to detect shared libraries, +*** $file_magic_cmd, produces output that libtool cannot recognize. +*** The result is that libtool may fail to recognize shared libraries +*** as such. This will affect the creation of libtool libraries that +*** depend on shared libraries, but programs linked with such libtool +*** libraries will work regardless of this problem. Nevertheless, you +*** may want to report the problem to your system manager and/or to +*** bug-libtool@gnu.org + +_LT_EOF + fi ;; + esac + fi + break + fi + done + IFS=$lt_save_ifs + MAGIC_CMD=$lt_save_MAGIC_CMD + ;; +esac]) +MAGIC_CMD=$lt_cv_path_MAGIC_CMD +if test -n "$MAGIC_CMD"; then + AC_MSG_RESULT($MAGIC_CMD) +else + AC_MSG_RESULT(no) +fi +_LT_DECL([], [MAGIC_CMD], [0], + [Used to examine libraries when file_magic_cmd begins with "file"])dnl +])# _LT_PATH_TOOL_PREFIX + +# Old name: +AU_ALIAS([AC_PATH_TOOL_PREFIX], [_LT_PATH_TOOL_PREFIX]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_PATH_TOOL_PREFIX], []) + + +# _LT_PATH_MAGIC +# -------------- +# find a file program that can recognize a shared library +m4_defun([_LT_PATH_MAGIC], +[_LT_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH) +if test -z "$lt_cv_path_MAGIC_CMD"; then + if test -n "$ac_tool_prefix"; then + _LT_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH) + else + MAGIC_CMD=: + fi +fi +])# _LT_PATH_MAGIC + + +# LT_PATH_LD +# ---------- +# find the pathname to the GNU or non-GNU linker +AC_DEFUN([LT_PATH_LD], +[AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_PROG_ECHO_BACKSLASH])dnl + +AC_ARG_WITH([gnu-ld], + [AS_HELP_STRING([--with-gnu-ld], + [assume the C compiler uses GNU ld @<:@default=no@:>@])], + [test no = "$withval" || with_gnu_ld=yes], + [with_gnu_ld=no])dnl + +ac_prog=ld +if test yes = "$GCC"; then + # Check if gcc -print-prog-name=ld gives a path. + AC_MSG_CHECKING([for ld used by $CC]) + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return, which upsets mingw + ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $ac_prog in + # Accept absolute paths. + [[\\/]]* | ?:[[\\/]]*) + re_direlt='/[[^/]][[^/]]*/\.\./' + # Canonicalize the pathname of ld + ac_prog=`$ECHO "$ac_prog"| $SED 's%\\\\%/%g'` + while $ECHO "$ac_prog" | $GREP "$re_direlt" > /dev/null 2>&1; do + ac_prog=`$ECHO $ac_prog| $SED "s%$re_direlt%/%"` + done + test -z "$LD" && LD=$ac_prog + ;; + "") + # If it fails, then pretend we aren't using GCC. + ac_prog=ld + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac +elif test yes = "$with_gnu_ld"; then + AC_MSG_CHECKING([for GNU ld]) +else + AC_MSG_CHECKING([for non-GNU ld]) +fi +AC_CACHE_VAL(lt_cv_path_LD, +[if test -z "$LD"; then + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + lt_cv_path_LD=$ac_dir/$ac_prog + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$lt_cv_path_LD" -v 2>&1 &1 conftest.i +cat conftest.i conftest.i >conftest2.i +: ${lt_DD:=$DD} +AC_PATH_PROGS_FEATURE_CHECK([lt_DD], [dd], +[if "$ac_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then + cmp -s conftest.i conftest.out \ + && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=: +fi]) +rm -f conftest.i conftest2.i conftest.out]) +])# _LT_PATH_DD + + +# _LT_CMD_TRUNCATE +# ---------------- +# find command to truncate a binary pipe +m4_defun([_LT_CMD_TRUNCATE], +[m4_require([_LT_PATH_DD]) +AC_CACHE_CHECK([how to truncate binary pipes], [lt_cv_truncate_bin], +[printf 0123456789abcdef0123456789abcdef >conftest.i +cat conftest.i conftest.i >conftest2.i +lt_cv_truncate_bin= +if "$ac_cv_path_lt_DD" bs=32 count=1 conftest.out 2>/dev/null; then + cmp -s conftest.i conftest.out \ + && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1" +fi +rm -f conftest.i conftest2.i conftest.out +test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q"]) +_LT_DECL([lt_truncate_bin], [lt_cv_truncate_bin], [1], + [Command to truncate a binary pipe]) +])# _LT_CMD_TRUNCATE + + +# _LT_CHECK_MAGIC_METHOD +# ---------------------- +# how to check for library dependencies +# -- PORTME fill in with the dynamic library characteristics +m4_defun([_LT_CHECK_MAGIC_METHOD], +[m4_require([_LT_DECL_EGREP]) +m4_require([_LT_DECL_OBJDUMP]) +AC_CACHE_CHECK([how to recognize dependent libraries], +lt_cv_deplibs_check_method, +[lt_cv_file_magic_cmd='$MAGIC_CMD' +lt_cv_file_magic_test_file= +lt_cv_deplibs_check_method='unknown' +# Need to set the preceding variable on all platforms that support +# interlibrary dependencies. +# 'none' -- dependencies not supported. +# 'unknown' -- same as none, but documents that we really don't know. +# 'pass_all' -- all dependencies passed with no checks. +# 'test_compile' -- check by making test program. +# 'file_magic [[regex]]' -- check by looking for files in library path +# that responds to the $file_magic_cmd with a given extended regex. +# If you have 'file' or equivalent on your system and you're not sure +# whether 'pass_all' will *always* work, you probably want this one. + +case $host_os in +aix[[4-9]]*) + lt_cv_deplibs_check_method=pass_all + ;; + +beos*) + lt_cv_deplibs_check_method=pass_all + ;; + +bsdi[[45]]*) + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib)' + lt_cv_file_magic_cmd='/usr/bin/file -L' + lt_cv_file_magic_test_file=/shlib/libc.so + ;; + +cygwin*) + # func_win32_libid is a shell function defined in ltmain.sh + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + ;; + +mingw* | pw32*) + # Base MSYS/MinGW do not provide the 'file' command needed by + # func_win32_libid shell function, so use a weaker test based on 'objdump', + # unless we find 'file', for example because we are cross-compiling. + if ( file / ) >/dev/null 2>&1; then + lt_cv_deplibs_check_method='file_magic ^x86 archive import|^x86 DLL' + lt_cv_file_magic_cmd='func_win32_libid' + else + # Keep this pattern in sync with the one in func_win32_libid. + lt_cv_deplibs_check_method='file_magic file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' + lt_cv_file_magic_cmd='$OBJDUMP -f' + fi + ;; + +cegcc*) + # use the weaker test based on 'objdump'. See mingw*. + lt_cv_deplibs_check_method='file_magic file format pe-arm-.*little(.*architecture: arm)?' + lt_cv_file_magic_cmd='$OBJDUMP -f' + ;; + +darwin* | rhapsody*) + lt_cv_deplibs_check_method=pass_all + ;; + +freebsd* | dragonfly*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + case $host_cpu in + i*86 ) + # Not sure whether the presence of OpenBSD here was a mistake. + # Let's accept both of them until this is cleared up. + lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD|DragonFly)/i[[3-9]]86 (compact )?demand paged shared library' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*` + ;; + esac + else + lt_cv_deplibs_check_method=pass_all + fi + ;; + +haiku*) + lt_cv_deplibs_check_method=pass_all + ;; + +hpux10.20* | hpux11*) + lt_cv_file_magic_cmd=/usr/bin/file + case $host_cpu in + ia64*) + lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|ELF-[[0-9]][[0-9]]) shared object file - IA64' + lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so + ;; + hppa*64*) + [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF[ -][0-9][0-9])(-bit)?( [LM]SB)? shared object( file)?[, -]* PA-RISC [0-9]\.[0-9]'] + lt_cv_file_magic_test_file=/usr/lib/pa20_64/libc.sl + ;; + *) + lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]]\.[[0-9]]) shared library' + lt_cv_file_magic_test_file=/usr/lib/libc.sl + ;; + esac + ;; + +interix[[3-9]]*) + # PIC code is broken on Interix 3.x, that's why |\.a not |_pic\.a here + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|\.a)$' + ;; + +irix5* | irix6* | nonstopux*) + case $LD in + *-32|*"-32 ") libmagic=32-bit;; + *-n32|*"-n32 ") libmagic=N32;; + *-64|*"-64 ") libmagic=64-bit;; + *) libmagic=never-match;; + esac + lt_cv_deplibs_check_method=pass_all + ;; + +# This must be glibc/ELF. +linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + lt_cv_deplibs_check_method=pass_all + ;; + +netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so|_pic\.a)$' + fi + ;; + +newos6*) + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)' + lt_cv_file_magic_cmd=/usr/bin/file + lt_cv_file_magic_test_file=/usr/lib/libnls.so + ;; + +*nto* | *qnx*) + lt_cv_deplibs_check_method=pass_all + ;; + +openbsd* | bitrig*) + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|\.so|_pic\.a)$' + else + lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$' + fi + ;; + +osf3* | osf4* | osf5*) + lt_cv_deplibs_check_method=pass_all + ;; + +rdos*) + lt_cv_deplibs_check_method=pass_all + ;; + +solaris*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + lt_cv_deplibs_check_method=pass_all + ;; + +sysv4 | sysv4.3*) + case $host_vendor in + motorola) + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]' + lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*` + ;; + ncr) + lt_cv_deplibs_check_method=pass_all + ;; + sequent) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )' + ;; + sni) + lt_cv_file_magic_cmd='/bin/file' + lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib" + lt_cv_file_magic_test_file=/lib/libc.so + ;; + siemens) + lt_cv_deplibs_check_method=pass_all + ;; + pc) + lt_cv_deplibs_check_method=pass_all + ;; + esac + ;; + +tpf*) + lt_cv_deplibs_check_method=pass_all + ;; +os2*) + lt_cv_deplibs_check_method=pass_all + ;; +esac +]) + +file_magic_glob= +want_nocaseglob=no +if test "$build" = "$host"; then + case $host_os in + mingw* | pw32*) + if ( shopt | grep nocaseglob ) >/dev/null 2>&1; then + want_nocaseglob=yes + else + file_magic_glob=`echo aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ | $SED -e "s/\(..\)/s\/[[\1]]\/[[\1]]\/g;/g"` + fi + ;; + esac +fi + +file_magic_cmd=$lt_cv_file_magic_cmd +deplibs_check_method=$lt_cv_deplibs_check_method +test -z "$deplibs_check_method" && deplibs_check_method=unknown + +_LT_DECL([], [deplibs_check_method], [1], + [Method to check whether dependent libraries are shared objects]) +_LT_DECL([], [file_magic_cmd], [1], + [Command to use when deplibs_check_method = "file_magic"]) +_LT_DECL([], [file_magic_glob], [1], + [How to find potential files when deplibs_check_method = "file_magic"]) +_LT_DECL([], [want_nocaseglob], [1], + [Find potential files using nocaseglob when deplibs_check_method = "file_magic"]) +])# _LT_CHECK_MAGIC_METHOD + + +# LT_PATH_NM +# ---------- +# find the pathname to a BSD- or MS-compatible name lister +AC_DEFUN([LT_PATH_NM], +[AC_REQUIRE([AC_PROG_CC])dnl +AC_CACHE_CHECK([for BSD- or MS-compatible name lister (nm)], lt_cv_path_NM, +[if test -n "$NM"; then + # Let the user override the test. + lt_cv_path_NM=$NM +else + lt_nm_to_check=${ac_tool_prefix}nm + if test -n "$ac_tool_prefix" && test "$build" = "$host"; then + lt_nm_to_check="$lt_nm_to_check nm" + fi + for lt_tmp_nm in $lt_nm_to_check; do + lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR + for ac_dir in $PATH /usr/ccs/bin/elf /usr/ccs/bin /usr/ucb /bin; do + IFS=$lt_save_ifs + test -z "$ac_dir" && ac_dir=. + tmp_nm=$ac_dir/$lt_tmp_nm + if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext"; then + # Check to see if the nm accepts a BSD-compat flag. + # Adding the 'sed 1q' prevents false positives on HP-UX, which says: + # nm: unknown option "B" ignored + # Tru64's nm complains that /dev/null is an invalid object file + # MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty + case $build_os in + mingw*) lt_bad_file=conftest.nm/nofile ;; + *) lt_bad_file=/dev/null ;; + esac + case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in + *$lt_bad_file* | *'Invalid file or object type'*) + lt_cv_path_NM="$tmp_nm -B" + break 2 + ;; + *) + case `"$tmp_nm" -p /dev/null 2>&1 | sed '1q'` in + */dev/null*) + lt_cv_path_NM="$tmp_nm -p" + break 2 + ;; + *) + lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but + continue # so that we can try to find one that supports BSD flags + ;; + esac + ;; + esac + fi + done + IFS=$lt_save_ifs + done + : ${lt_cv_path_NM=no} +fi]) +if test no != "$lt_cv_path_NM"; then + NM=$lt_cv_path_NM +else + # Didn't find any BSD compatible name lister, look for dumpbin. + if test -n "$DUMPBIN"; then : + # Let the user override the test. + else + AC_CHECK_TOOLS(DUMPBIN, [dumpbin "link -dump"], :) + case `$DUMPBIN -symbols -headers /dev/null 2>&1 | sed '1q'` in + *COFF*) + DUMPBIN="$DUMPBIN -symbols -headers" + ;; + *) + DUMPBIN=: + ;; + esac + fi + AC_SUBST([DUMPBIN]) + if test : != "$DUMPBIN"; then + NM=$DUMPBIN + fi +fi +test -z "$NM" && NM=nm +AC_SUBST([NM]) +_LT_DECL([], [NM], [1], [A BSD- or MS-compatible name lister])dnl + +AC_CACHE_CHECK([the name lister ($NM) interface], [lt_cv_nm_interface], + [lt_cv_nm_interface="BSD nm" + echo "int some_variable = 0;" > conftest.$ac_ext + (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&AS_MESSAGE_LOG_FD) + (eval "$ac_compile" 2>conftest.err) + cat conftest.err >&AS_MESSAGE_LOG_FD + (eval echo "\"\$as_me:$LINENO: $NM \\\"conftest.$ac_objext\\\"\"" >&AS_MESSAGE_LOG_FD) + (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out) + cat conftest.err >&AS_MESSAGE_LOG_FD + (eval echo "\"\$as_me:$LINENO: output\"" >&AS_MESSAGE_LOG_FD) + cat conftest.out >&AS_MESSAGE_LOG_FD + if $GREP 'External.*some_variable' conftest.out > /dev/null; then + lt_cv_nm_interface="MS dumpbin" + fi + rm -f conftest*]) +])# LT_PATH_NM + +# Old names: +AU_ALIAS([AM_PROG_NM], [LT_PATH_NM]) +AU_ALIAS([AC_PROG_NM], [LT_PATH_NM]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_PROG_NM], []) +dnl AC_DEFUN([AC_PROG_NM], []) + +# _LT_CHECK_SHAREDLIB_FROM_LINKLIB +# -------------------------------- +# how to determine the name of the shared library +# associated with a specific link library. +# -- PORTME fill in with the dynamic library characteristics +m4_defun([_LT_CHECK_SHAREDLIB_FROM_LINKLIB], +[m4_require([_LT_DECL_EGREP]) +m4_require([_LT_DECL_OBJDUMP]) +m4_require([_LT_DECL_DLLTOOL]) +AC_CACHE_CHECK([how to associate runtime and link libraries], +lt_cv_sharedlib_from_linklib_cmd, +[lt_cv_sharedlib_from_linklib_cmd='unknown' + +case $host_os in +cygwin* | mingw* | pw32* | cegcc*) + # two different shell functions defined in ltmain.sh; + # decide which one to use based on capabilities of $DLLTOOL + case `$DLLTOOL --help 2>&1` in + *--identify-strict*) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib + ;; + *) + lt_cv_sharedlib_from_linklib_cmd=func_cygming_dll_for_implib_fallback + ;; + esac + ;; +*) + # fallback: assume linklib IS sharedlib + lt_cv_sharedlib_from_linklib_cmd=$ECHO + ;; +esac +]) +sharedlib_from_linklib_cmd=$lt_cv_sharedlib_from_linklib_cmd +test -z "$sharedlib_from_linklib_cmd" && sharedlib_from_linklib_cmd=$ECHO + +_LT_DECL([], [sharedlib_from_linklib_cmd], [1], + [Command to associate shared and link libraries]) +])# _LT_CHECK_SHAREDLIB_FROM_LINKLIB + + +# _LT_PATH_MANIFEST_TOOL +# ---------------------- +# locate the manifest tool +m4_defun([_LT_PATH_MANIFEST_TOOL], +[AC_CHECK_TOOL(MANIFEST_TOOL, mt, :) +test -z "$MANIFEST_TOOL" && MANIFEST_TOOL=mt +AC_CACHE_CHECK([if $MANIFEST_TOOL is a manifest tool], [lt_cv_path_mainfest_tool], + [lt_cv_path_mainfest_tool=no + echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&AS_MESSAGE_LOG_FD + $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out + cat conftest.err >&AS_MESSAGE_LOG_FD + if $GREP 'Manifest Tool' conftest.out > /dev/null; then + lt_cv_path_mainfest_tool=yes + fi + rm -f conftest*]) +if test yes != "$lt_cv_path_mainfest_tool"; then + MANIFEST_TOOL=: +fi +_LT_DECL([], [MANIFEST_TOOL], [1], [Manifest tool])dnl +])# _LT_PATH_MANIFEST_TOOL + + +# _LT_DLL_DEF_P([FILE]) +# --------------------- +# True iff FILE is a Windows DLL '.def' file. +# Keep in sync with func_dll_def_p in the libtool script +AC_DEFUN([_LT_DLL_DEF_P], +[dnl + test DEF = "`$SED -n dnl + -e '\''s/^[[ ]]*//'\'' dnl Strip leading whitespace + -e '\''/^\(;.*\)*$/d'\'' dnl Delete empty lines and comments + -e '\''s/^\(EXPORTS\|LIBRARY\)\([[ ]].*\)*$/DEF/p'\'' dnl + -e q dnl Only consider the first "real" line + $1`" dnl +])# _LT_DLL_DEF_P + + +# LT_LIB_M +# -------- +# check for math library +AC_DEFUN([LT_LIB_M], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +LIBM= +case $host in +*-*-beos* | *-*-cegcc* | *-*-cygwin* | *-*-haiku* | *-*-pw32* | *-*-darwin*) + # These system don't have libm, or don't need it + ;; +*-ncr-sysv4.3*) + AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM=-lmw) + AC_CHECK_LIB(m, cos, LIBM="$LIBM -lm") + ;; +*) + AC_CHECK_LIB(m, cos, LIBM=-lm) + ;; +esac +AC_SUBST([LIBM]) +])# LT_LIB_M + +# Old name: +AU_ALIAS([AC_CHECK_LIBM], [LT_LIB_M]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_CHECK_LIBM], []) + + +# _LT_COMPILER_NO_RTTI([TAGNAME]) +# ------------------------------- +m4_defun([_LT_COMPILER_NO_RTTI], +[m4_require([_LT_TAG_COMPILER])dnl + +_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= + +if test yes = "$GCC"; then + case $cc_basename in + nvcc*) + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -Xcompiler -fno-builtin' ;; + *) + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' ;; + esac + + _LT_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions], + lt_cv_prog_compiler_rtti_exceptions, + [-fno-rtti -fno-exceptions], [], + [_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"]) +fi +_LT_TAGDECL([no_builtin_flag], [lt_prog_compiler_no_builtin_flag], [1], + [Compiler flag to turn off builtin functions]) +])# _LT_COMPILER_NO_RTTI + + +# _LT_CMD_GLOBAL_SYMBOLS +# ---------------------- +m4_defun([_LT_CMD_GLOBAL_SYMBOLS], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([AC_PROG_AWK])dnl +AC_REQUIRE([LT_PATH_NM])dnl +AC_REQUIRE([LT_PATH_LD])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_TAG_COMPILER])dnl + +# Check for command to grab the raw symbol name followed by C symbol from nm. +AC_MSG_CHECKING([command to parse $NM output from $compiler object]) +AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], +[ +# These are sane defaults that work on at least a few old systems. +# [They come from Ultrix. What could be older than Ultrix?!! ;)] + +# Character class describing NM global symbol codes. +symcode='[[BCDEGRST]]' + +# Regexp to match symbols that can be accessed directly from C. +sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)' + +# Define system-specific variables. +case $host_os in +aix*) + symcode='[[BCDT]]' + ;; +cygwin* | mingw* | pw32* | cegcc*) + symcode='[[ABCDGISTW]]' + ;; +hpux*) + if test ia64 = "$host_cpu"; then + symcode='[[ABCDEGRST]]' + fi + ;; +irix* | nonstopux*) + symcode='[[BCDEGRST]]' + ;; +osf*) + symcode='[[BCDEGQRST]]' + ;; +solaris*) + symcode='[[BDRT]]' + ;; +sco3.2v5*) + symcode='[[DT]]' + ;; +sysv4.2uw2*) + symcode='[[DT]]' + ;; +sysv5* | sco5v6* | unixware* | OpenUNIX*) + symcode='[[ABDT]]' + ;; +sysv4) + symcode='[[DFNSTU]]' + ;; +esac + +# If we're using GNU nm, then use its standard symbol codes. +case `$NM -V 2>&1` in +*GNU* | *'with BFD'*) + symcode='[[ABCDGIRSTW]]' ;; +esac + +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Gets list of data symbols to import. + lt_cv_sys_global_symbol_to_import="sed -n -e 's/^I .* \(.*\)$/\1/p'" + # Adjust the below global symbol transforms to fixup imported variables. + lt_cdecl_hook=" -e 's/^I .* \(.*\)$/extern __declspec(dllimport) char \1;/p'" + lt_c_name_hook=" -e 's/^I .* \(.*\)$/ {\"\1\", (void *) 0},/p'" + lt_c_name_lib_hook="\ + -e 's/^I .* \(lib.*\)$/ {\"\1\", (void *) 0},/p'\ + -e 's/^I .* \(.*\)$/ {\"lib\1\", (void *) 0},/p'" +else + # Disable hooks by default. + lt_cv_sys_global_symbol_to_import= + lt_cdecl_hook= + lt_c_name_hook= + lt_c_name_lib_hook= +fi + +# Transform an extracted symbol line into a proper C declaration. +# Some systems (esp. on ia64) link data and code symbols differently, +# so use this general approach. +lt_cv_sys_global_symbol_to_cdecl="sed -n"\ +$lt_cdecl_hook\ +" -e 's/^T .* \(.*\)$/extern int \1();/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/extern char \1;/p'" + +# Transform an extracted symbol line into symbol name and symbol address +lt_cv_sys_global_symbol_to_c_name_address="sed -n"\ +$lt_c_name_hook\ +" -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/p'" + +# Transform an extracted symbol line into symbol name with lib prefix and +# symbol address. +lt_cv_sys_global_symbol_to_c_name_address_lib_prefix="sed -n"\ +$lt_c_name_lib_hook\ +" -e 's/^: \(.*\) .*$/ {\"\1\", (void *) 0},/p'"\ +" -e 's/^$symcode$symcode* .* \(lib.*\)$/ {\"\1\", (void *) \&\1},/p'"\ +" -e 's/^$symcode$symcode* .* \(.*\)$/ {\"lib\1\", (void *) \&\1},/p'" + +# Handle CRLF in mingw tool chain +opt_cr= +case $build_os in +mingw*) + opt_cr=`$ECHO 'x\{0,1\}' | tr x '\015'` # option cr in regexp + ;; +esac + +# Try without a prefix underscore, then with it. +for ac_symprfx in "" "_"; do + + # Transform symcode, sympat, and symprfx into a raw symbol and a C symbol. + symxfrm="\\1 $ac_symprfx\\2 \\2" + + # Write the raw and C identifiers. + if test "$lt_cv_nm_interface" = "MS dumpbin"; then + # Fake it for dumpbin and say T for any non-static function, + # D for any global variable and I for any imported variable. + # Also find C++ and __fastcall symbols from MSVC++ or ICC, + # which start with @ or ?. + lt_cv_sys_global_symbol_pipe="$AWK ['"\ +" {last_section=section; section=\$ 3};"\ +" /^COFF SYMBOL TABLE/{for(i in hide) delete hide[i]};"\ +" /Section length .*#relocs.*(pick any)/{hide[last_section]=1};"\ +" /^ *Symbol name *: /{split(\$ 0,sn,\":\"); si=substr(sn[2],2)};"\ +" /^ *Type *: code/{print \"T\",si,substr(si,length(prfx))};"\ +" /^ *Type *: data/{print \"I\",si,substr(si,length(prfx))};"\ +" \$ 0!~/External *\|/{next};"\ +" / 0+ UNDEF /{next}; / UNDEF \([^|]\)*()/{next};"\ +" {if(hide[section]) next};"\ +" {f=\"D\"}; \$ 0~/\(\).*\|/{f=\"T\"};"\ +" {split(\$ 0,a,/\||\r/); split(a[2],s)};"\ +" s[1]~/^[@?]/{print f,s[1],s[1]; next};"\ +" s[1]~prfx {split(s[1],t,\"@\"); print f,t[1],substr(t[1],length(prfx))}"\ +" ' prfx=^$ac_symprfx]" + else + lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ ]]\($symcode$symcode*\)[[ ]][[ ]]*$ac_symprfx$sympat$opt_cr$/$symxfrm/p'" + fi + lt_cv_sys_global_symbol_pipe="$lt_cv_sys_global_symbol_pipe | sed '/ __gnu_lto/d'" + + # Check to see that the pipe works correctly. + pipe_works=no + + rm -f conftest* + cat > conftest.$ac_ext <<_LT_EOF +#ifdef __cplusplus +extern "C" { +#endif +char nm_test_var; +void nm_test_func(void); +void nm_test_func(void){} +#ifdef __cplusplus +} +#endif +int main(){nm_test_var='a';nm_test_func();return(0);} +_LT_EOF + + if AC_TRY_EVAL(ac_compile); then + # Now try to grab the symbols. + nlist=conftest.nm + if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then + # Try sorting and uniquifying the output. + if sort "$nlist" | uniq > "$nlist"T; then + mv -f "$nlist"T "$nlist" + else + rm -f "$nlist"T + fi + + # Make sure that we snagged all the symbols we need. + if $GREP ' nm_test_var$' "$nlist" >/dev/null; then + if $GREP ' nm_test_func$' "$nlist" >/dev/null; then + cat <<_LT_EOF > conftest.$ac_ext +/* Keep this code in sync between libtool.m4, ltmain, lt_system.h, and tests. */ +#if defined _WIN32 || defined __CYGWIN__ || defined _WIN32_WCE +/* DATA imports from DLLs on WIN32 can't be const, because runtime + relocations are performed -- see ld's documentation on pseudo-relocs. */ +# define LT@&t@_DLSYM_CONST +#elif defined __osf__ +/* This system does not cope well with relocations in const data. */ +# define LT@&t@_DLSYM_CONST +#else +# define LT@&t@_DLSYM_CONST const +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +_LT_EOF + # Now generate the symbol file. + eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' + + cat <<_LT_EOF >> conftest.$ac_ext + +/* The mapping between symbol names and symbols. */ +LT@&t@_DLSYM_CONST struct { + const char *name; + void *address; +} +lt__PROGRAM__LTX_preloaded_symbols[[]] = +{ + { "@PROGRAM@", (void *) 0 }, +_LT_EOF + $SED "s/^$symcode$symcode* .* \(.*\)$/ {\"\1\", (void *) \&\1},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext + cat <<\_LT_EOF >> conftest.$ac_ext + {0, (void *) 0} +}; + +/* This works around a problem in FreeBSD linker */ +#ifdef FREEBSD_WORKAROUND +static const void *lt_preloaded_setup() { + return lt__PROGRAM__LTX_preloaded_symbols; +} +#endif + +#ifdef __cplusplus +} +#endif +_LT_EOF + # Now try linking the two files. + mv conftest.$ac_objext conftstm.$ac_objext + lt_globsym_save_LIBS=$LIBS + lt_globsym_save_CFLAGS=$CFLAGS + LIBS=conftstm.$ac_objext + CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" + if AC_TRY_EVAL(ac_link) && test -s conftest$ac_exeext; then + pipe_works=yes + fi + LIBS=$lt_globsym_save_LIBS + CFLAGS=$lt_globsym_save_CFLAGS + else + echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD + fi + else + echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD + fi + else + echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD + fi + else + echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD + cat conftest.$ac_ext >&5 + fi + rm -rf conftest* conftst* + + # Do not use the global_symbol_pipe unless it works. + if test yes = "$pipe_works"; then + break + else + lt_cv_sys_global_symbol_pipe= + fi +done +]) +if test -z "$lt_cv_sys_global_symbol_pipe"; then + lt_cv_sys_global_symbol_to_cdecl= +fi +if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then + AC_MSG_RESULT(failed) +else + AC_MSG_RESULT(ok) +fi + +# Response file support. +if test "$lt_cv_nm_interface" = "MS dumpbin"; then + nm_file_list_spec='@' +elif $NM --help 2>/dev/null | grep '[[@]]FILE' >/dev/null; then + nm_file_list_spec='@' +fi + +_LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], + [Take the output of nm and produce a listing of raw symbols and C names]) +_LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], + [Transform the output of nm in a proper C declaration]) +_LT_DECL([global_symbol_to_import], [lt_cv_sys_global_symbol_to_import], [1], + [Transform the output of nm into a list of symbols to manually relocate]) +_LT_DECL([global_symbol_to_c_name_address], + [lt_cv_sys_global_symbol_to_c_name_address], [1], + [Transform the output of nm in a C name address pair]) +_LT_DECL([global_symbol_to_c_name_address_lib_prefix], + [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], + [Transform the output of nm in a C name address pair when lib prefix is needed]) +_LT_DECL([nm_interface], [lt_cv_nm_interface], [1], + [The name lister interface]) +_LT_DECL([], [nm_file_list_spec], [1], + [Specify filename containing input files for $NM]) +]) # _LT_CMD_GLOBAL_SYMBOLS + + +# _LT_COMPILER_PIC([TAGNAME]) +# --------------------------- +m4_defun([_LT_COMPILER_PIC], +[m4_require([_LT_TAG_COMPILER])dnl +_LT_TAGVAR(lt_prog_compiler_wl, $1)= +_LT_TAGVAR(lt_prog_compiler_pic, $1)= +_LT_TAGVAR(lt_prog_compiler_static, $1)= + +m4_if([$1], [CXX], [ + # C++ specific cases for pic, static, wl, etc. + if test yes = "$GXX"; then + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the '-m68020' flag to GCC prevents building anything better, + # like '-m68040'. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + case $host_os in + os2*) + _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' + ;; + esac + ;; + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' + ;; + *djgpp*) + # DJGPP does not support shared libraries at all + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + ;; + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + _LT_TAGVAR(lt_prog_compiler_static, $1)= + ;; + interix[[3-9]]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic + fi + ;; + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + else + case $host_os in + aix[[4-9]]*) + # All AIX code is PIC. + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + else + _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' + fi + ;; + chorus*) + case $cc_basename in + cxch68*) + # Green Hills C++ Compiler + # _LT_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" + ;; + esac + ;; + mingw* | cygwin* | os2* | pw32* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + ;; + dgux*) + case $cc_basename in + ec++*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + ;; + ghcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + *) + ;; + esac + ;; + freebsd* | dragonfly*) + # FreeBSD uses GNU C++ + ;; + hpux9* | hpux10* | hpux11*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' + if test ia64 != "$host_cpu"; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + fi + ;; + aCC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + ;; + esac + ;; + *) + ;; + esac + ;; + interix*) + # This is c89, which is MS Visual C++ (no shared libs) + # Anyone wants to do a port? + ;; + irix5* | irix6* | nonstopux*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + # CC pic flag -KPIC is the default. + ;; + *) + ;; + esac + ;; + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + KCC*) + # KAI C++ Compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + ecpc* ) + # old Intel C++ for x86_64, which still supported -KPIC. + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + icpc* ) + # Intel C++, used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + pgCC* | pgcpp*) + # Portland Group C++ compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + cxx*) + # Compaq C++ + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) + # IBM XL 8.0, 9.0 on PPC and BlueGene + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + esac + ;; + esac + ;; + lynxos*) + ;; + m88k*) + ;; + mvs*) + case $cc_basename in + cxx*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' + ;; + *) + ;; + esac + ;; + netbsd*) + ;; + *qnx* | *nto*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' + ;; + RCC*) + # Rational C++ 2.4.1 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + cxx*) + # Digital/Compaq C++ + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # Make sure the PIC flag is empty. It appears that all Alpha + # Linux and Compaq Tru64 Unix objects are PIC. + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + *) + ;; + esac + ;; + psos*) + ;; + solaris*) + case $cc_basename in + CC* | sunCC*) + # Sun C++ 4.2, 5.x and Centerline C++ + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + gcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + ;; + *) + ;; + esac + ;; + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + lcc*) + # Lucid + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + ;; + *) + ;; + esac + ;; + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + case $cc_basename in + CC*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + esac + ;; + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + ;; + *) + ;; + esac + ;; + vxworks*) + ;; + *) + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + esac + fi +], +[ + if test yes = "$GCC"; then + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + + case $host_os in + aix*) + # All AIX code is PIC. + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + m68k) + # FIXME: we need at least 68020 code to build shared libraries, but + # adding the '-m68020' flag to GCC prevents building anything better, + # like '-m68040'. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' + ;; + esac + ;; + + beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) + # PIC is the default for these OSes. + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + # Although the cygwin gcc ignores -fPIC, still need this for old-style + # (--disable-auto-import) libraries + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + case $host_os in + os2*) + _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' + ;; + esac + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' + ;; + + haiku*) + # PIC is the default for Haiku. + # The "-static" flag exists, but is broken. + _LT_TAGVAR(lt_prog_compiler_static, $1)= + ;; + + hpux*) + # PIC is the default for 64-bit PA HP-UX, but not for 32-bit + # PA HP-UX. On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + case $host_cpu in + hppa*64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + ;; + + interix[[3-9]]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + + msdosdjgpp*) + # Just because we use GCC doesn't mean we suddenly get shared libraries + # on systems that don't support them. + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + enable_shared=no + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic + fi + ;; + + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + ;; + esac + + case $cc_basename in + nvcc*) # Cuda Compiler Driver 2.2 + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Xlinker ' + if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)="-Xcompiler $_LT_TAGVAR(lt_prog_compiler_pic, $1)" + fi + ;; + esac + else + # PORTME Check for flag to pass linker flags through the system compiler. + case $host_os in + aix*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + if test ia64 = "$host_cpu"; then + # AIX 5 now supports IA64 processor + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + else + _LT_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp' + fi + ;; + + darwin* | rhapsody*) + # PIC is the default on this platform + # Common symbols not allowed in MH_DYLIB files + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common' + case $cc_basename in + nagfor*) + # NAG Fortran compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + esac + ;; + + mingw* | cygwin* | pw32* | os2* | cegcc*) + # This hack is so that the source file can tell whether it is being + # built for inclusion in a dll (and should export symbols for example). + m4_if([$1], [GCJ], [], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) + case $host_os in + os2*) + _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-static' + ;; + esac + ;; + + hpux9* | hpux10* | hpux11*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but + # not for PA HP-UX. + case $host_cpu in + hppa*64*|ia64*) + # +Z the default + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='+Z' + ;; + esac + # Is there a better lt_prog_compiler_static that works with the bundled CC? + _LT_TAGVAR(lt_prog_compiler_static, $1)='$wl-a ${wl}archive' + ;; + + irix5* | irix6* | nonstopux*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # PIC (with -KPIC) is the default. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + # old Intel for x86_64, which still supported -KPIC. + ecc*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + # icc used to be incompatible with GCC. + # ICC 10 doesn't accept -KPIC any more. + icc* | ifort*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + # Lahey Fortran 8.1. + lf95*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='--shared' + _LT_TAGVAR(lt_prog_compiler_static, $1)='--static' + ;; + nagfor*) + # NAG Fortran compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,-Wl,,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + tcc*) + # Fabrice Bellard et al's Tiny C Compiler + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group compilers (*not* the Pentium gcc compiler, + # which looks to be a dead project) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + ccc*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # All Alpha code is PIC. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + xl* | bgxl* | bgf* | mpixl*) + # IBM XL C 8.0/Fortran 10.1, 11.1 on PPC and BlueGene + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ Ceres\ Fortran* | *Sun*Fortran*\ [[1-7]].* | *Sun*Fortran*\ 8.[[0-3]]*) + # Sun Fortran 8.3 passes all unrecognized flags to the linker + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='' + ;; + *Sun\ F* | *Sun*Fortran*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + ;; + *Sun\ C*) + # Sun C 5.9 + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + ;; + *Intel*\ [[CF]]*Compiler*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' + ;; + *Portland\ Group*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fpic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + esac + ;; + esac + ;; + + newsos6) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + *nto* | *qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' + ;; + + osf3* | osf4* | osf5*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + # All OSF/1 code is PIC. + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + rdos*) + _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' + ;; + + solaris*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + case $cc_basename in + f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ';; + *) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,';; + esac + ;; + + sunos4*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-PIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + sysv4 | sysv4.2uw2* | sysv4.3*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + fi + ;; + + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + unicos*) + _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + + uts4*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' + _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' + ;; + + *) + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no + ;; + esac + fi +]) +case $host_os in + # For platforms that do not support PIC, -DPIC is meaningless: + *djgpp*) + _LT_TAGVAR(lt_prog_compiler_pic, $1)= + ;; + *) + _LT_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])" + ;; +esac + +AC_CACHE_CHECK([for $compiler option to produce PIC], + [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)], + [_LT_TAGVAR(lt_cv_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_prog_compiler_pic, $1)]) +_LT_TAGVAR(lt_prog_compiler_pic, $1)=$_LT_TAGVAR(lt_cv_prog_compiler_pic, $1) + +# +# Check to make sure the PIC flag actually works. +# +if test -n "$_LT_TAGVAR(lt_prog_compiler_pic, $1)"; then + _LT_COMPILER_OPTION([if $compiler PIC flag $_LT_TAGVAR(lt_prog_compiler_pic, $1) works], + [_LT_TAGVAR(lt_cv_prog_compiler_pic_works, $1)], + [$_LT_TAGVAR(lt_prog_compiler_pic, $1)@&t@m4_if([$1],[],[ -DPIC],[m4_if([$1],[CXX],[ -DPIC],[])])], [], + [case $_LT_TAGVAR(lt_prog_compiler_pic, $1) in + "" | " "*) ;; + *) _LT_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_TAGVAR(lt_prog_compiler_pic, $1)" ;; + esac], + [_LT_TAGVAR(lt_prog_compiler_pic, $1)= + _LT_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no]) +fi +_LT_TAGDECL([pic_flag], [lt_prog_compiler_pic], [1], + [Additional compiler flags for building library objects]) + +_LT_TAGDECL([wl], [lt_prog_compiler_wl], [1], + [How to pass a linker flag through the compiler]) +# +# Check to make sure the static flag actually works. +# +wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) eval lt_tmp_static_flag=\"$_LT_TAGVAR(lt_prog_compiler_static, $1)\" +_LT_LINKER_OPTION([if $compiler static flag $lt_tmp_static_flag works], + _LT_TAGVAR(lt_cv_prog_compiler_static_works, $1), + $lt_tmp_static_flag, + [], + [_LT_TAGVAR(lt_prog_compiler_static, $1)=]) +_LT_TAGDECL([link_static_flag], [lt_prog_compiler_static], [1], + [Compiler flag to prevent dynamic linking]) +])# _LT_COMPILER_PIC + + +# _LT_LINKER_SHLIBS([TAGNAME]) +# ---------------------------- +# See if the linker supports building shared libraries. +m4_defun([_LT_LINKER_SHLIBS], +[AC_REQUIRE([LT_PATH_LD])dnl +AC_REQUIRE([LT_PATH_NM])dnl +m4_require([_LT_PATH_MANIFEST_TOOL])dnl +m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_DECL_SED])dnl +m4_require([_LT_CMD_GLOBAL_SYMBOLS])dnl +m4_require([_LT_TAG_COMPILER])dnl +AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) +m4_if([$1], [CXX], [ + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] + case $host_os in + aix[[4-9]]*) + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to GNU nm, but means don't demangle to AIX nm. + # Without the "-l" option, or with the "-B" option, AIX nm treats + # weak defined symbols like other global defined symbols, whereas + # GNU nm marks them as "W". + # While the 'weak' keyword is ignored in the Export File, we need + # it in the Import File for the 'aix-soname' feature, so we have + # to replace the "-B" option with "-P" for AIX nm. + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols' + else + _LT_TAGVAR(export_symbols_cmds, $1)='`func_echo_all $NM | $SED -e '\''s/B\([[^B]]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "L") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && ([substr](\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols' + fi + ;; + pw32*) + _LT_TAGVAR(export_symbols_cmds, $1)=$ltdll_cmds + ;; + cygwin* | mingw* | cegcc*) + case $cc_basename in + cl* | icl*) + _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' + ;; + *) + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'] + ;; + esac + ;; + linux* | k*bsd*-gnu) + _LT_TAGVAR(link_all_deplibs, $1)=no + ;; + *) + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + ;; + esac +], [ + runpath_var= + _LT_TAGVAR(allow_undefined_flag, $1)= + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(archive_cmds, $1)= + _LT_TAGVAR(archive_expsym_cmds, $1)= + _LT_TAGVAR(compiler_needs_object, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + _LT_TAGVAR(export_dynamic_flag_spec, $1)= + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(hardcode_automatic, $1)=no + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= + _LT_TAGVAR(hardcode_libdir_separator, $1)= + _LT_TAGVAR(hardcode_minus_L, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported + _LT_TAGVAR(inherit_rpath, $1)=no + _LT_TAGVAR(link_all_deplibs, $1)=unknown + _LT_TAGVAR(module_cmds, $1)= + _LT_TAGVAR(module_expsym_cmds, $1)= + _LT_TAGVAR(old_archive_from_new_cmds, $1)= + _LT_TAGVAR(old_archive_from_expsyms_cmds, $1)= + _LT_TAGVAR(thread_safe_flag_spec, $1)= + _LT_TAGVAR(whole_archive_flag_spec, $1)= + # include_expsyms should be a list of space-separated symbols to be *always* + # included in the symbol list + _LT_TAGVAR(include_expsyms, $1)= + # exclude_expsyms can be an extended regexp of symbols to exclude + # it will be wrapped by ' (' and ')$', so one must not match beginning or + # end of line. Example: 'a|bc|.*d.*' will exclude the symbols 'a' and 'bc', + # as well as any symbol that contains 'd'. + _LT_TAGVAR(exclude_expsyms, $1)=['_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'] + # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out + # platforms (ab)use it in PIC code, but their linkers get confused if + # the symbol is explicitly referenced. Since portable code cannot + # rely on this symbol name, it's probably fine to never include it in + # preloaded symbol tables. + # Exclude shared library initialization/finalization symbols. +dnl Note also adjust exclude_expsyms for C++ above. + extract_expsyms_cmds= + + case $host_os in + cygwin* | mingw* | pw32* | cegcc*) + # FIXME: the MSVC++ and ICC port hasn't been tested in a loooong time + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++ or Intel C++ Compiler. + if test yes != "$GCC"; then + with_gnu_ld=no + fi + ;; + interix*) + # we just hope/assume this is gcc and not c89 (= MSVC++ or ICC) + with_gnu_ld=yes + ;; + openbsd* | bitrig*) + with_gnu_ld=no + ;; + linux* | k*bsd*-gnu) + _LT_TAGVAR(link_all_deplibs, $1)=no + ;; + esac + + _LT_TAGVAR(ld_shlibs, $1)=yes + + # On some targets, GNU ld is compatible enough with the native linker + # that we're better off using the native interface for both. + lt_use_gnu_ld_interface=no + if test yes = "$with_gnu_ld"; then + case $host_os in + aix*) + # The AIX port of GNU ld has always aspired to compatibility + # with the native linker. However, as the warning in the GNU ld + # block says, versions before 2.19.5* couldn't really create working + # shared libraries, regardless of the interface used. + case `$LD -v 2>&1` in + *\ \(GNU\ Binutils\)\ 2.19.5*) ;; + *\ \(GNU\ Binutils\)\ 2.[[2-9]]*) ;; + *\ \(GNU\ Binutils\)\ [[3-9]]*) ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + ;; + *) + lt_use_gnu_ld_interface=yes + ;; + esac + fi + + if test yes = "$lt_use_gnu_ld_interface"; then + # If archive_cmds runs LD, not CC, wlarc should be empty + wlarc='$wl' + + # Set some defaults for GNU ld with shared library support. These + # are reset later if shared libraries are not supported. Putting them + # here allows them to be overridden if necessary. + runpath_var=LD_RUN_PATH + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' + # ancient GNU ld didn't support --whole-archive et. al. + if $LD --help 2>&1 | $GREP 'no-whole-archive' > /dev/null; then + _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + supports_anon_versioning=no + case `$LD -v | $SED -e 's/([^)]\+)\s\+//' 2>&1` in + *GNU\ gold*) supports_anon_versioning=yes ;; + *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.10.*) ;; # catch versions < 2.11 + *\ 2.11.93.0.2\ *) supports_anon_versioning=yes ;; # RH7.3 ... + *\ 2.11.92.0.12\ *) supports_anon_versioning=yes ;; # Mandrake 8.2 ... + *\ 2.11.*) ;; # other 2.11 versions + *) supports_anon_versioning=yes ;; + esac + + # See if GNU ld supports shared libraries. + case $host_os in + aix[[3-9]]*) + # On AIX/PPC, the GNU linker is very broken + if test ia64 != "$host_cpu"; then + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: the GNU linker, at least up to release 2.19, is reported +*** to be unable to reliably create shared libraries on AIX. +*** Therefore, libtool is disabling shared libraries support. If you +*** really care for shared libraries, you may want to install binutils +*** 2.20 or above, or modify your PATH so that a non-GNU linker is found. +*** You will then need to restart the configuration process. + +_LT_EOF + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='' + ;; + m68k) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless, + # as there is no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-all-symbols' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1 DATA/;s/^.*[[ ]]__nm__\([[^ ]]*\)[[ ]][[^ ]]*/\1 DATA/;/^I[[ ]]/d;/^[[AITW]][[ ]]/s/.* //'\'' | sort | uniq > $export_symbols' + _LT_TAGVAR(exclude_expsyms, $1)=['[_]+GLOBAL_OFFSET_TABLE_|[_]+GLOBAL__[FID]_.*|[_]+head_[A-Za-z0-9_]+_dll|[A-Za-z0-9_]+_dll_iname'] + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file, use it as + # is; otherwise, prepend EXPORTS... + _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + haiku*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + os2*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + shrext_cmds=.dll + _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + prefix_cmds="$SED"~ + if test EXPORTS = "`$SED 1q $export_symbols`"; then + prefix_cmds="$prefix_cmds -e 1d"; + fi~ + prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ + cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='@' + ;; + + interix[[3-9]]*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) + tmp_diet=no + if test linux-dietlibc = "$host_os"; then + case $cc_basename in + diet\ *) tmp_diet=yes;; # linux-dietlibc with static linking (!diet-dyn) + esac + fi + if $LD --help 2>&1 | $EGREP ': supported targets:.* elf' > /dev/null \ + && test no = "$tmp_diet" + then + tmp_addflag=' $pic_flag' + tmp_sharedflag='-shared' + case $cc_basename,$host_cpu in + pgcc*) # Portland Group C compiler + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + tmp_addflag=' $pic_flag' + ;; + pgf77* | pgf90* | pgf95* | pgfortran*) + # Portland Group f77 and f90 compilers + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + tmp_addflag=' $pic_flag -Mnomain' ;; + ecc*,ia64* | icc*,ia64*) # Intel C compiler on ia64 + tmp_addflag=' -i_dynamic' ;; + efc*,ia64* | ifort*,ia64*) # Intel Fortran compiler on ia64 + tmp_addflag=' -i_dynamic -nofor_main' ;; + ifc* | ifort*) # Intel Fortran compiler + tmp_addflag=' -nofor_main' ;; + lf95*) # Lahey Fortran 8.1 + _LT_TAGVAR(whole_archive_flag_spec, $1)= + tmp_sharedflag='--shared' ;; + nagfor*) # NAGFOR 5.3 + tmp_sharedflag='-Wl,-shared' ;; + xl[[cC]]* | bgxl[[cC]]* | mpixl[[cC]]*) # IBM XL C 8.0 on PPC (deal with xlf below) + tmp_sharedflag='-qmkshrobj' + tmp_addflag= ;; + nvcc*) # Cuda Compiler Driver 2.2 + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + ;; + esac + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) # Sun C 5.9 + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + tmp_sharedflag='-G' ;; + *Sun\ F*) # Sun Fortran 8.3 + tmp_sharedflag='-G' ;; + esac + _LT_TAGVAR(archive_cmds, $1)='$CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + + if test yes = "$supports_anon_versioning"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + if test -r $libname-altlinux.ver; then cp $libname-altlinux.ver $output_objdir/$libname.ver; fi~ + $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib' + fi + + case $cc_basename in + tcc*) + _LT_TAGVAR(export_dynamic_flag_spec, $1)='-rdynamic' + ;; + xlf* | bgf* | bgxlf* | mpixlf*) + # IBM XL Fortran 10.1 on PPC cannot create shared libs itself + _LT_TAGVAR(whole_archive_flag_spec, $1)='--whole-archive$convenience --no-whole-archive' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname -o $lib' + if test yes = "$supports_anon_versioning"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $LD -shared $libobjs $deplibs $linker_flags -soname $soname -version-script $output_objdir/$libname.ver -o $lib' + fi + ;; + esac + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' + wlarc= + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + fi + ;; + + solaris*) + if $LD -v 2>&1 | $GREP 'BFD 2\.8' > /dev/null; then + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: The releases 2.8.* of the GNU linker cannot reliably +*** create shared libraries on Solaris systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.9.1 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + elif $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) + case `$LD -v 2>&1` in + *\ [[01]].* | *\ 2.[[0-9]].* | *\ 2.1[[0-5]].*) + _LT_TAGVAR(ld_shlibs, $1)=no + cat <<_LT_EOF 1>&2 + +*** Warning: Releases of the GNU linker prior to 2.16.91.0.3 cannot +*** reliably create shared libraries on SCO systems. Therefore, libtool +*** is disabling shared libraries support. We urge you to upgrade GNU +*** binutils to release 2.16.91.0.3 or newer. Another option is to modify +*** your PATH or compiler configuration so that the native linker is +*** used, and then restart. + +_LT_EOF + ;; + *) + # For security reasons, it is highly recommended that you always + # use absolute paths for naming shared libraries, and exclude the + # DT_RUNPATH tag from executables and libraries. But doing so + # requires that you compile everything twice, which is a pain. + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + sunos4*) + _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' + wlarc= + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + + if test no = "$_LT_TAGVAR(ld_shlibs, $1)"; then + runpath_var= + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)= + _LT_TAGVAR(export_dynamic_flag_spec, $1)= + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + else + # PORTME fill in a description of your system's linker (not GNU ld) + case $host_os in + aix3*) + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' + # Note: this linker hardcodes the directories in LIBPATH if there + # are no directories specified by -L. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + if test yes = "$GCC" && test -z "$lt_prog_compiler_static"; then + # Neither direct hardcoding nor static linking is supported with a + # broken collect2. + _LT_TAGVAR(hardcode_direct, $1)=unsupported + fi + ;; + + aix[[4-9]]*) + if test ia64 = "$host_cpu"; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag= + else + # If we're using GNU nm, then we don't want the "-C" option. + # -C means demangle to GNU nm, but means don't demangle to AIX nm. + # Without the "-l" option, or with the "-B" option, AIX nm treats + # weak defined symbols like other global defined symbols, whereas + # GNU nm marks them as "W". + # While the 'weak' keyword is ignored in the Export File, we need + # it in the Import File for the 'aix-soname' feature, so we have + # to replace the "-B" option with "-P" for AIX nm. + if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then + _LT_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && ([substr](\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols' + else + _LT_TAGVAR(export_symbols_cmds, $1)='`func_echo_all $NM | $SED -e '\''s/B\([[^B]]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "L") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && ([substr](\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols' + fi + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # have runtime linking enabled, and use it for executables. + # For shared libraries, we enable/disable runtime linking + # depending on the kind of the shared library created - + # when "with_aix_soname,aix_use_runtimelinking" is: + # "aix,no" lib.a(lib.so.V) shared, rtl:no, for executables + # "aix,yes" lib.so shared, rtl:yes, for executables + # lib.a static archive + # "both,no" lib.so.V(shr.o) shared, rtl:yes + # lib.a(lib.so.V) shared, rtl:no, for executables + # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a(lib.so.V) shared, rtl:no + # "svr4,*" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a static archive + case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*) + for ld_flag in $LDFLAGS; do + if (test x-brtl = "x$ld_flag" || test x-Wl,-brtl = "x$ld_flag"); then + aix_use_runtimelinking=yes + break + fi + done + if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then + # With aix-soname=svr4, we create the lib.so.V shared archives only, + # so we don't have lib.a shared libs to link our executables. + # We have to force runtime linking in this case. + aix_use_runtimelinking=yes + LDFLAGS="$LDFLAGS -Wl,-brtl" + fi + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + _LT_TAGVAR(archive_cmds, $1)='' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='$wl-f,' + case $with_aix_soname,$aix_use_runtimelinking in + aix,*) ;; # traditional, no import file + svr4,* | *,yes) # use import file + # The Import File defines what to hardcode. + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=no + ;; + esac + + if test yes = "$GCC"; then + case $host_os in aix4.[[012]]|aix4.[[012]].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`$CC -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + _LT_TAGVAR(hardcode_direct, $1)=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)= + fi + ;; + esac + shared_flag='-shared' + if test yes = "$aix_use_runtimelinking"; then + shared_flag="$shared_flag "'$wl-G' + fi + # Need to ensure runtime linking is disabled for the traditional + # shared library, or the linker may eventually find shared libraries + # /with/ Import File - we do not want to mix them. + shared_flag_aix='-shared' + shared_flag_svr4='-shared $wl-G' + else + # not using gcc + if test ia64 = "$host_cpu"; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test yes = "$aix_use_runtimelinking"; then + shared_flag='$wl-G' + else + shared_flag='$wl-bM:SRE' + fi + shared_flag_aix='$wl-bM:SRE' + shared_flag_svr4='$wl-G' + fi + fi + + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to export. + _LT_TAGVAR(always_export_symbols, $1)=yes + if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(allow_undefined_flag, $1)='-berok' + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath" + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag + else + if test ia64 = "$host_cpu"; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $libdir:/usr/lib:/lib' + _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs" + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(no_undefined_flag, $1)=' $wl-bernotok' + _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-berok' + if test yes = "$with_gnu_ld"; then + # We only use this code for GNU lds that support --whole-archive. + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + _LT_TAGVAR(archive_expsym_cmds, $1)='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d' + # -brtl affects multiple linker settings, -berok does not and is overridden later + compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([[, ]]\\)%-berok\\1%g"`' + if test svr4 != "$with_aix_soname"; then + # This is similar to how AIX traditionally builds its shared libraries. + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname' + fi + if test aix != "$with_aix_soname"; then + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp' + else + # used by -dlpreopen to get the symbols + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$MV $output_objdir/$realname.d/$soname $output_objdir' + fi + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$RM -r $output_objdir/$realname.d' + fi + fi + ;; + + amigaos*) + case $host_cpu in + powerpc) + # see comment about AmigaOS4 .so support + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='' + ;; + m68k) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/a2ixlibrary.data~$ECHO "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$ECHO "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$ECHO "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$ECHO "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + ;; + + bsdi[[45]]*) + _LT_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic + ;; + + cygwin* | mingw* | pw32* | cegcc*) + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++ or Intel C++ Compiler. + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + case $cc_basename in + cl* | icl*) + # Native MSVC or ICC + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=.dll + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames=' + _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then + cp "$export_symbols" "$output_objdir/$soname.def"; + echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp"; + else + $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + _LT_TAGVAR(exclude_expsyms, $1)='_NULL_IMPORT_DESCRIPTOR|_IMPORT_DESCRIPTOR_.*' + _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[[BCDGRS]][[ ]]/s/.*[[ ]]\([[^ ]]*\)/\1,DATA/'\'' | $SED -e '\''/^[[AITW]][[ ]]/s/.*[[ ]]//'\'' | sort | uniq > $export_symbols' + # Don't use ranlib + _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib' + _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile=$lt_outputfile.exe + lt_tool_outputfile=$lt_tool_outputfile.exe + ;; + esac~ + if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # Assume MSVC and ICC wrapper + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=.dll + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `func_echo_all "$deplibs" | $SED '\''s/ -lc$//'\''` -link -dll~linknames=' + # The linker will automatically build a .lib file if we build a DLL. + _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + # FIXME: Should let the user specify the lib program. + _LT_TAGVAR(old_archive_cmds, $1)='lib -OUT:$oldlib$oldobjs$old_deplibs' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + ;; + esac + ;; + + darwin* | rhapsody*) + _LT_DARWIN_LINKER_FEATURES($1) + ;; + + dgux*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor + # support. Future versions do this automatically, but an explicit c++rt0.o + # does not break anything, and helps significantly (at the cost of a little + # extra space). + freebsd2.2*) + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # Unfortunately, older versions of FreeBSD 2 do not have this feature. + freebsd2.*) + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + # FreeBSD 3 and greater uses gcc -shared to do shared libraries. + freebsd* | dragonfly*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + hpux9*) + if test yes = "$GCC"; then + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' + else + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_direct, $1)=yes + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + ;; + + hpux10*) + if test yes,no = "$GCC,$with_gnu_ld"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' + fi + if test no = "$with_gnu_ld"; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + fi + ;; + + hpux11*) + if test yes,no = "$GCC,$with_gnu_ld"; then + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + else + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + m4_if($1, [], [ + # Older versions of the 11.00 compiler do not understand -b yet + # (HP92453-01 A.11.01.20 doesn't, HP92453-01 B.11.X.35175-35176.GP does) + _LT_LINKER_OPTION([if $CC understands -b], + _LT_TAGVAR(lt_cv_prog_compiler__b, $1), [-b], + [_LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags'], + [_LT_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'])], + [_LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $libobjs $deplibs $compiler_flags']) + ;; + esac + fi + if test no = "$with_gnu_ld"; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + case $host_cpu in + hppa*64*|ia64*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + *) + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + _LT_TAGVAR(hardcode_minus_L, $1)=yes + ;; + esac + fi + ;; + + irix5* | irix6* | nonstopux*) + if test yes = "$GCC"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + # Try to use the -exported_symbol ld option, if it does not + # work, assume that -exports_file does not work either and + # implicitly export all symbols. + # This should be the same for all languages, so no per-tag cache variable. + AC_CACHE_CHECK([whether the $host_os linker accepts -exported_symbol], + [lt_cv_irix_exported_symbol], + [save_LDFLAGS=$LDFLAGS + LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null" + AC_LINK_IFELSE( + [AC_LANG_SOURCE( + [AC_LANG_CASE([C], [[int foo (void) { return 0; }]], + [C++], [[int foo (void) { return 0; }]], + [Fortran 77], [[ + subroutine foo + end]], + [Fortran], [[ + subroutine foo + end]])])], + [lt_cv_irix_exported_symbol=yes], + [lt_cv_irix_exported_symbol=no]) + LDFLAGS=$save_LDFLAGS]) + if test yes = "$lt_cv_irix_exported_symbol"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib' + fi + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(inherit_rpath, $1)=yes + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + linux*) + case $cc_basename in + tcc*) + # Fabrice Bellard et al's Tiny C Compiler + _LT_TAGVAR(ld_shlibs, $1)=yes + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out + else + _LT_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + newsos6) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *nto* | *qnx*) + ;; + + openbsd* | bitrig*) + if test -f /usr/libexec/ld.so; then + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + if test -z "`echo __ELF__ | $CC -E - | $GREP __ELF__`"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags $wl-retain-symbols-file,$export_symbols' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + fi + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + os2*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + shrext_cmds=.dll + _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + prefix_cmds="$SED"~ + if test EXPORTS = "`$SED 1q $export_symbols`"; then + prefix_cmds="$prefix_cmds -e 1d"; + fi~ + prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ + cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='@' + ;; + + osf3*) + if test yes = "$GCC"; then + _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + else + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + ;; + + osf4* | osf5*) # as osf3* with the addition of -msym flag + if test yes = "$GCC"; then + _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $pic_flag $libobjs $deplibs $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + else + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $libobjs $deplibs $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done; printf "%s\\n" "-hidden">> $lib.exp~ + $CC -shared$allow_undefined_flag $wl-input $wl$lib.exp $compiler_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~$RM $lib.exp' + + # Both c and cxx compiler support -rpath directly + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)='no' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + ;; + + solaris*) + _LT_TAGVAR(no_undefined_flag, $1)=' -z defs' + if test yes = "$GCC"; then + wlarc='$wl' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $wl-z ${wl}text $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag $wl-z ${wl}text $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + else + case `$CC -V 2>&1` in + *"Compilers 5.0"*) + wlarc='' + _LT_TAGVAR(archive_cmds, $1)='$LD -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $LD -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$RM $lib.exp' + ;; + *) + wlarc='$wl' + _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h $soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G$allow_undefined_flag -M $lib.exp -h $soname -o $lib $libobjs $deplibs $compiler_flags~$RM $lib.exp' + ;; + esac + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands '-z linker_flag'. GCC discards it without '$wl', + # but is careful enough not to reorder. + # Supported since Solaris 2.6 (maybe 2.5.1?) + if test yes = "$GCC"; then + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' + fi + ;; + esac + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + sunos4*) + if test sequent = "$host_vendor"; then + # Use $CC to link under sequent, because it throws in some extra .o + # files that make .init and .fini sections work. + _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h $soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' + fi + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + sysv4) + case $host_vendor in + sni) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=yes # is this really true??? + ;; + siemens) + ## LD is ld it makes a PLAMLIB + ## CC just makes a GrossModule. + _LT_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(reload_cmds, $1)='$CC -r -o $output$reload_objs' + _LT_TAGVAR(hardcode_direct, $1)=no + ;; + motorola) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie + ;; + esac + runpath_var='LD_RUN_PATH' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + sysv4.3*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport' + ;; + + sysv4*MP*) + if test -d /usr/nec; then + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var=LD_RUN_PATH + hardcode_runpath_var=yes + _LT_TAGVAR(ld_shlibs, $1)=yes + fi + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) + _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var='LD_RUN_PATH' + + if test yes = "$GCC"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We CANNOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' + _LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport' + runpath_var='LD_RUN_PATH' + + if test yes = "$GCC"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + fi + ;; + + uts4*) + _LT_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + + *) + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + + if test sni = "$host_vendor"; then + case $host in + sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Blargedynsym' + ;; + esac + fi + fi +]) +AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) +test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no + +_LT_TAGVAR(with_gnu_ld, $1)=$with_gnu_ld + +_LT_DECL([], [libext], [0], [Old archive suffix (normally "a")])dnl +_LT_DECL([], [shrext_cmds], [1], [Shared library suffix (normally ".so")])dnl +_LT_DECL([], [extract_expsyms_cmds], [2], + [The commands to extract the exported symbol list from a shared archive]) + +# +# Do we need to explicitly link libc? +# +case "x$_LT_TAGVAR(archive_cmds_need_lc, $1)" in +x|xyes) + # Assume -lc should be added + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + + if test yes,yes = "$GCC,$enable_shared"; then + case $_LT_TAGVAR(archive_cmds, $1) in + *'~'*) + # FIXME: we may have to deal with multi-command sequences. + ;; + '$CC '*) + # Test whether the compiler implicitly links with -lc since on some + # systems, -lgcc has to come before -lc. If gcc already passes -lc + # to ld, don't add -lc before -lgcc. + AC_CACHE_CHECK([whether -lc should be explicitly linked in], + [lt_cv_]_LT_TAGVAR(archive_cmds_need_lc, $1), + [$RM conftest* + echo "$lt_simple_compile_test_code" > conftest.$ac_ext + + if AC_TRY_EVAL(ac_compile) 2>conftest.err; then + soname=conftest + lib=conftest + libobjs=conftest.$ac_objext + deplibs= + wl=$_LT_TAGVAR(lt_prog_compiler_wl, $1) + pic_flag=$_LT_TAGVAR(lt_prog_compiler_pic, $1) + compiler_flags=-v + linker_flags=-v + verstring= + output_objdir=. + libname=conftest + lt_save_allow_undefined_flag=$_LT_TAGVAR(allow_undefined_flag, $1) + _LT_TAGVAR(allow_undefined_flag, $1)= + if AC_TRY_EVAL(_LT_TAGVAR(archive_cmds, $1) 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) + then + lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=no + else + lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1)=yes + fi + _LT_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag + else + cat conftest.err 1>&5 + fi + $RM conftest* + ]) + _LT_TAGVAR(archive_cmds_need_lc, $1)=$lt_cv_[]_LT_TAGVAR(archive_cmds_need_lc, $1) + ;; + esac + fi + ;; +esac + +_LT_TAGDECL([build_libtool_need_lc], [archive_cmds_need_lc], [0], + [Whether or not to add -lc for building shared libraries]) +_LT_TAGDECL([allow_libtool_libs_with_static_runtimes], + [enable_shared_with_static_runtimes], [0], + [Whether or not to disallow shared libs when runtime libs are static]) +_LT_TAGDECL([], [export_dynamic_flag_spec], [1], + [Compiler flag to allow reflexive dlopens]) +_LT_TAGDECL([], [whole_archive_flag_spec], [1], + [Compiler flag to generate shared objects directly from archives]) +_LT_TAGDECL([], [compiler_needs_object], [1], + [Whether the compiler copes with passing no objects directly]) +_LT_TAGDECL([], [old_archive_from_new_cmds], [2], + [Create an old-style archive from a shared archive]) +_LT_TAGDECL([], [old_archive_from_expsyms_cmds], [2], + [Create a temporary old-style archive to link instead of a shared archive]) +_LT_TAGDECL([], [archive_cmds], [2], [Commands used to build a shared archive]) +_LT_TAGDECL([], [archive_expsym_cmds], [2]) +_LT_TAGDECL([], [module_cmds], [2], + [Commands used to build a loadable module if different from building + a shared archive.]) +_LT_TAGDECL([], [module_expsym_cmds], [2]) +_LT_TAGDECL([], [with_gnu_ld], [1], + [Whether we are building with GNU ld or not]) +_LT_TAGDECL([], [allow_undefined_flag], [1], + [Flag that allows shared libraries with undefined symbols to be built]) +_LT_TAGDECL([], [no_undefined_flag], [1], + [Flag that enforces no undefined symbols]) +_LT_TAGDECL([], [hardcode_libdir_flag_spec], [1], + [Flag to hardcode $libdir into a binary during linking. + This must work even if $libdir does not exist]) +_LT_TAGDECL([], [hardcode_libdir_separator], [1], + [Whether we need a single "-rpath" flag with a separated argument]) +_LT_TAGDECL([], [hardcode_direct], [0], + [Set to "yes" if using DIR/libNAME$shared_ext during linking hardcodes + DIR into the resulting binary]) +_LT_TAGDECL([], [hardcode_direct_absolute], [0], + [Set to "yes" if using DIR/libNAME$shared_ext during linking hardcodes + DIR into the resulting binary and the resulting library dependency is + "absolute", i.e impossible to change by setting $shlibpath_var if the + library is relocated]) +_LT_TAGDECL([], [hardcode_minus_L], [0], + [Set to "yes" if using the -LDIR flag during linking hardcodes DIR + into the resulting binary]) +_LT_TAGDECL([], [hardcode_shlibpath_var], [0], + [Set to "yes" if using SHLIBPATH_VAR=DIR during linking hardcodes DIR + into the resulting binary]) +_LT_TAGDECL([], [hardcode_automatic], [0], + [Set to "yes" if building a shared library automatically hardcodes DIR + into the library and all subsequent libraries and executables linked + against it]) +_LT_TAGDECL([], [inherit_rpath], [0], + [Set to yes if linker adds runtime paths of dependent libraries + to runtime path list]) +_LT_TAGDECL([], [link_all_deplibs], [0], + [Whether libtool must link a program against all its dependency libraries]) +_LT_TAGDECL([], [always_export_symbols], [0], + [Set to "yes" if exported symbols are required]) +_LT_TAGDECL([], [export_symbols_cmds], [2], + [The commands to list exported symbols]) +_LT_TAGDECL([], [exclude_expsyms], [1], + [Symbols that should not be listed in the preloaded symbols]) +_LT_TAGDECL([], [include_expsyms], [1], + [Symbols that must always be exported]) +_LT_TAGDECL([], [prelink_cmds], [2], + [Commands necessary for linking programs (against libraries) with templates]) +_LT_TAGDECL([], [postlink_cmds], [2], + [Commands necessary for finishing linking programs]) +_LT_TAGDECL([], [file_list_spec], [1], + [Specify filename containing input files]) +dnl FIXME: Not yet implemented +dnl _LT_TAGDECL([], [thread_safe_flag_spec], [1], +dnl [Compiler flag to generate thread safe objects]) +])# _LT_LINKER_SHLIBS + + +# _LT_LANG_C_CONFIG([TAG]) +# ------------------------ +# Ensure that the configuration variables for a C compiler are suitably +# defined. These variables are subsequently used by _LT_CONFIG to write +# the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_C_CONFIG], +[m4_require([_LT_DECL_EGREP])dnl +lt_save_CC=$CC +AC_LANG_PUSH(C) + +# Source file extension for C test sources. +ac_ext=c + +# Object file extension for compiled C test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="int some_variable = 0;" + +# Code to be used in simple link tests +lt_simple_link_test_code='int main(){return(0);}' + +_LT_TAG_COMPILER +# Save the default compiler, since it gets overwritten when the other +# tags are being tested, and _LT_TAGVAR(compiler, []) is a NOP. +compiler_DEFAULT=$CC + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + LT_SYS_DLOPEN_SELF + _LT_CMD_STRIPLIB + + # Report what library types will actually be built + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test no = "$can_build_shared" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test yes = "$enable_shared" && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + + aix[[4-9]]*) + if test ia64 != "$host_cpu"; then + case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in + yes,aix,yes) ;; # shared object as lib.so file only + yes,svr4,*) ;; # shared object as lib.so archive member only + yes,*) enable_static=no ;; # shared object in lib.a archive as well + esac + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test yes = "$enable_shared" || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_CONFIG($1) +fi +AC_LANG_POP +CC=$lt_save_CC +])# _LT_LANG_C_CONFIG + + +# _LT_LANG_CXX_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for a C++ compiler are suitably +# defined. These variables are subsequently used by _LT_CONFIG to write +# the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_CXX_CONFIG], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +m4_require([_LT_DECL_EGREP])dnl +m4_require([_LT_PATH_MANIFEST_TOOL])dnl +case "$CXX" in + "" | no) + _lt_caught_CXX_error=yes + ;; + g++* | *-g++*) + if $CXX -v >/dev/null 2>&1; then + AC_PROG_CXXCPP + else + _lt_caught_CXX_error=yes + fi + ;; + *) + AC_PROG_CXXCPP + ;; +esac + +AC_LANG_PUSH(C++) +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(compiler_needs_object, $1)=no +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_shlibpath_var, $1)=unsupported +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for C++ test sources. +ac_ext=cpp + +# Object file extension for compiled C++ test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the CXX compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test yes != "$_lt_caught_CXX_error"; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="int some_variable = 0;" + + # Code to be used in simple link tests + lt_simple_link_test_code='int main(int, char *[[]]) { return(0); }' + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC=$CC + lt_save_CFLAGS=$CFLAGS + lt_save_LD=$LD + lt_save_GCC=$GCC + GCC=$GXX + lt_save_with_gnu_ld=$with_gnu_ld + lt_save_path_LD=$lt_cv_path_LD + if test -n "${lt_cv_prog_gnu_ldcxx+set}"; then + lt_cv_prog_gnu_ld=$lt_cv_prog_gnu_ldcxx + else + $as_unset lt_cv_prog_gnu_ld + fi + if test -n "${lt_cv_path_LDCXX+set}"; then + lt_cv_path_LD=$lt_cv_path_LDCXX + else + $as_unset lt_cv_path_LD + fi + test -z "${LDCXX+set}" || LD=$LDCXX + CC=${CXX-"c++"} + CFLAGS=$CXXFLAGS + compiler=$CC + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + + if test -n "$compiler"; then + # We don't want -fno-exception when compiling C++ code, so set the + # no_builtin_flag separately + if test yes = "$GXX"; then + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin' + else + _LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)= + fi + + if test yes = "$GXX"; then + # Set up default GNU C++ configuration + + LT_PATH_LD + + # Check if GNU C++ uses GNU ld as the underlying linker, since the + # archiving commands below assume that GNU ld is being used. + if test yes = "$with_gnu_ld"; then + _LT_TAGVAR(archive_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC $pic_flag -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' + + # If archive_cmds runs LD, not CC, wlarc should be empty + # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to + # investigate it a little bit more. (MM) + wlarc='$wl' + + # ancient GNU ld didn't support --whole-archive et. al. + if eval "`$CC -print-prog-name=ld` --help 2>&1" | + $GREP 'no-whole-archive' > /dev/null; then + _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive' + else + _LT_TAGVAR(whole_archive_flag_spec, $1)= + fi + else + with_gnu_ld=no + wlarc= + + # A generic and very simple default shared library creation + # command for GNU C++ for the case where it uses the native + # linker, instead of GNU ld. If possible, this setting should + # overridden to take advantage of the native linker features on + # the platform it is being used on. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + fi + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + + else + GXX=no + with_gnu_ld=no + wlarc= + fi + + # PORTME: fill in a description of your system's C++ link characteristics + AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries]) + _LT_TAGVAR(ld_shlibs, $1)=yes + case $host_os in + aix3*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aix[[4-9]]*) + if test ia64 = "$host_cpu"; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + exp_sym_flag='-Bexport' + no_entry_flag= + else + aix_use_runtimelinking=no + + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # have runtime linking enabled, and use it for executables. + # For shared libraries, we enable/disable runtime linking + # depending on the kind of the shared library created - + # when "with_aix_soname,aix_use_runtimelinking" is: + # "aix,no" lib.a(lib.so.V) shared, rtl:no, for executables + # "aix,yes" lib.so shared, rtl:yes, for executables + # lib.a static archive + # "both,no" lib.so.V(shr.o) shared, rtl:yes + # lib.a(lib.so.V) shared, rtl:no, for executables + # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a(lib.so.V) shared, rtl:no + # "svr4,*" lib.so.V(shr.o) shared, rtl:yes, for executables + # lib.a static archive + case $host_os in aix4.[[23]]|aix4.[[23]].*|aix[[5-9]]*) + for ld_flag in $LDFLAGS; do + case $ld_flag in + *-brtl*) + aix_use_runtimelinking=yes + break + ;; + esac + done + if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then + # With aix-soname=svr4, we create the lib.so.V shared archives only, + # so we don't have lib.a shared libs to link our executables. + # We have to force runtime linking in this case. + aix_use_runtimelinking=yes + LDFLAGS="$LDFLAGS -Wl,-brtl" + fi + ;; + esac + + exp_sym_flag='-bexport' + no_entry_flag='-bnoentry' + fi + + # When large executables or shared objects are built, AIX ld can + # have problems creating the table of contents. If linking a library + # or program results in "error TOC overflow" add -mminimal-toc to + # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not + # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. + + _LT_TAGVAR(archive_cmds, $1)='' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='$wl-f,' + case $with_aix_soname,$aix_use_runtimelinking in + aix,*) ;; # no import file + svr4,* | *,yes) # use import file + # The Import File defines what to hardcode. + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=no + ;; + esac + + if test yes = "$GXX"; then + case $host_os in aix4.[[012]]|aix4.[[012]].*) + # We only want to do this on AIX 4.2 and lower, the check + # below for broken collect2 doesn't work under 4.3+ + collect2name=`$CC -print-prog-name=collect2` + if test -f "$collect2name" && + strings "$collect2name" | $GREP resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + _LT_TAGVAR(hardcode_direct, $1)=unsupported + # It fails to find uninstalled libraries when the uninstalled + # path is not listed in the libpath. Setting hardcode_minus_L + # to unsupported forces relinking + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)= + fi + esac + shared_flag='-shared' + if test yes = "$aix_use_runtimelinking"; then + shared_flag=$shared_flag' $wl-G' + fi + # Need to ensure runtime linking is disabled for the traditional + # shared library, or the linker may eventually find shared libraries + # /with/ Import File - we do not want to mix them. + shared_flag_aix='-shared' + shared_flag_svr4='-shared $wl-G' + else + # not using gcc + if test ia64 = "$host_cpu"; then + # VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release + # chokes on -Wl,-G. The following line is correct: + shared_flag='-G' + else + if test yes = "$aix_use_runtimelinking"; then + shared_flag='$wl-G' + else + shared_flag='$wl-bM:SRE' + fi + shared_flag_aix='$wl-bM:SRE' + shared_flag_svr4='$wl-G' + fi + fi + + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-bexpall' + # It seems that -bexpall does not export symbols beginning with + # underscore (_), so it is better to generate a list of symbols to + # export. + _LT_TAGVAR(always_export_symbols, $1)=yes + if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then + # Warning - without using the other runtime loading flags (-brtl), + # -berok will link without error, but may produce a broken library. + # The "-G" linker flag allows undefined symbols. + _LT_TAGVAR(no_undefined_flag, $1)='-bernotok' + # Determine the default libpath from the value encoded in an empty + # executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath" + + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $deplibs $wl'$no_entry_flag' $compiler_flags `if test -n "$allow_undefined_flag"; then func_echo_all "$wl$allow_undefined_flag"; else :; fi` $wl'$exp_sym_flag:\$export_symbols' '$shared_flag + else + if test ia64 = "$host_cpu"; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $libdir:/usr/lib:/lib' + _LT_TAGVAR(allow_undefined_flag, $1)="-z nodefs" + _LT_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs '"\$wl$no_entry_flag"' $compiler_flags $wl$allow_undefined_flag '"\$wl$exp_sym_flag:\$export_symbols" + else + # Determine the default libpath from the value encoded in an + # empty executable. + _LT_SYS_MODULE_PATH_AIX([$1]) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-blibpath:$libdir:'"$aix_libpath" + # Warning - without using the other run time loading flags, + # -berok will link without error, but may produce a broken library. + _LT_TAGVAR(no_undefined_flag, $1)=' $wl-bernotok' + _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-berok' + if test yes = "$with_gnu_ld"; then + # We only use this code for GNU lds that support --whole-archive. + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive' + else + # Exported symbols can be pulled into shared objects from archives + _LT_TAGVAR(whole_archive_flag_spec, $1)='$convenience' + fi + _LT_TAGVAR(archive_cmds_need_lc, $1)=yes + _LT_TAGVAR(archive_expsym_cmds, $1)='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d' + # -brtl affects multiple linker settings, -berok does not and is overridden later + compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([[, ]]\\)%-berok\\1%g"`' + if test svr4 != "$with_aix_soname"; then + # This is similar to how AIX traditionally builds its shared + # libraries. Need -bnortl late, we may have -brtl in LDFLAGS. + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname' + fi + if test aix != "$with_aix_soname"; then + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp' + else + # used by -dlpreopen to get the symbols + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$MV $output_objdir/$realname.d/$soname $output_objdir' + fi + _LT_TAGVAR(archive_expsym_cmds, $1)="$_LT_TAGVAR(archive_expsym_cmds, $1)"'~$RM -r $output_objdir/$realname.d' + fi + fi + ;; + + beos*) + if $LD --help 2>&1 | $GREP ': supported targets:.* elf' > /dev/null; then + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + # Joseph Beckenbach says some releases of gcc + # support --undefined. This deserves some investigation. FIXME + _LT_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + chorus*) + case $cc_basename in + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + cygwin* | mingw* | pw32* | cegcc*) + case $GXX,$cc_basename in + ,cl* | no,cl* | ,icl* | no,icl*) + # Native MSVC or ICC + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)=' ' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='@' + # Tell ltmain to make .lib files, not .a files. + libext=lib + # Tell ltmain to make .dll files, not .so files. + shrext_cmds=.dll + # FIXME: Setting linknames here is a bad hack. + _LT_TAGVAR(archive_cmds, $1)='$CC -o $output_objdir/$soname $libobjs $compiler_flags $deplibs -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~linknames=' + _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then + cp "$export_symbols" "$output_objdir/$soname.def"; + echo "$tool_output_objdir$soname.def" > "$output_objdir/$soname.exp"; + else + $SED -e '\''s/^/-link -EXPORT:/'\'' < $export_symbols > $output_objdir/$soname.exp; + fi~ + $CC -o $tool_output_objdir$soname $libobjs $compiler_flags $deplibs "@$tool_output_objdir$soname.exp" -Wl,-DLL,-IMPLIB:"$tool_output_objdir$libname.dll.lib"~ + linknames=' + # The linker will not automatically build a static lib if we build a DLL. + # _LT_TAGVAR(old_archive_from_new_cmds, $1)='true' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + # Don't use ranlib + _LT_TAGVAR(old_postinstall_cmds, $1)='chmod 644 $oldlib' + _LT_TAGVAR(postlink_cmds, $1)='lt_outputfile="@OUTPUT@"~ + lt_tool_outputfile="@TOOL_OUTPUT@"~ + case $lt_outputfile in + *.exe|*.EXE) ;; + *) + lt_outputfile=$lt_outputfile.exe + lt_tool_outputfile=$lt_tool_outputfile.exe + ;; + esac~ + func_to_tool_file "$lt_outputfile"~ + if test : != "$MANIFEST_TOOL" && test -f "$lt_outputfile.manifest"; then + $MANIFEST_TOOL -manifest "$lt_tool_outputfile.manifest" -outputresource:"$lt_tool_outputfile" || exit 1; + $RM "$lt_outputfile.manifest"; + fi' + ;; + *) + # g++ + # _LT_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless, + # as there is no search path for DLLs. + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-all-symbols' + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + _LT_TAGVAR(always_export_symbols, $1)=no + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + + if $LD --help 2>&1 | $GREP 'auto-import' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + # If the export-symbols file already is a .def file, use it as + # is; otherwise, prepend EXPORTS... + _LT_TAGVAR(archive_expsym_cmds, $1)='if _LT_DLL_DEF_P([$export_symbols]); then + cp $export_symbols $output_objdir/$soname.def; + else + echo EXPORTS > $output_objdir/$soname.def; + cat $export_symbols >> $output_objdir/$soname.def; + fi~ + $CC -shared -nostdlib $output_objdir/$soname.def $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $output_objdir/$soname $wl--enable-auto-image-base -Xlinker --out-implib -Xlinker $lib' + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + darwin* | rhapsody*) + _LT_DARWIN_LINKER_FEATURES($1) + ;; + + os2*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir' + _LT_TAGVAR(hardcode_minus_L, $1)=yes + _LT_TAGVAR(allow_undefined_flag, $1)=unsupported + shrext_cmds=.dll + _LT_TAGVAR(archive_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + _LT_TAGVAR(archive_expsym_cmds, $1)='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~ + $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~ + $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~ + $ECHO EXPORTS >> $output_objdir/$libname.def~ + prefix_cmds="$SED"~ + if test EXPORTS = "`$SED 1q $export_symbols`"; then + prefix_cmds="$prefix_cmds -e 1d"; + fi~ + prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~ + cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~ + $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~ + emximp -o $lib $output_objdir/$libname.def' + _LT_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def' + _LT_TAGVAR(enable_shared_with_static_runtimes, $1)=yes + _LT_TAGVAR(file_list_spec, $1)='@' + ;; + + dgux*) + case $cc_basename in + ec++*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + ghcx*) + # Green Hills C++ Compiler + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + freebsd2.*) + # C++ shared libraries reported to be fairly broken before + # switch to ELF + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + freebsd-elf*) + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + ;; + + freebsd* | dragonfly*) + # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF + # conventions + _LT_TAGVAR(ld_shlibs, $1)=yes + ;; + + haiku*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + + hpux9*) + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH, + # but as the default + # location of the library. + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aCC*) + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -b $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test yes = "$GXX"; then + _LT_TAGVAR(archive_cmds, $1)='$RM $output_objdir/$soname~$CC -shared -nostdlib $pic_flag $wl+b $wl$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test "x$output_objdir/$soname" = "x$lib" || mv $output_objdir/$soname $lib' + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + hpux10*|hpux11*) + if test no = "$with_gnu_ld"; then + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl+b $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + case $host_cpu in + hppa*64*|ia64*) + ;; + *) + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + ;; + esac + fi + case $host_cpu in + hppa*64*|ia64*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + ;; + *) + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH, + # but as the default + # location of the library. + ;; + esac + + case $cc_basename in + CC*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + aCC*) + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -b $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test yes = "$GXX"; then + if test no = "$with_gnu_ld"; then + case $host_cpu in + hppa*64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC $wl+h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + ia64*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+nodefaultrpath -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $pic_flag $wl+h $wl$soname $wl+b $wl$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + ;; + esac + fi + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + interix[[3-9]]*) + _LT_TAGVAR(hardcode_direct, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + # Hack: On Interix 3.x, we cannot compile PIC because of a broken gcc. + # Instead, shared libraries are loaded at an image base (0x10000000 by + # default) and relocated if they conflict, which is a slow very memory + # consuming and fragmenting process. To avoid this, we pick a random, + # 256 KiB-aligned image base between 0x50000000 and 0x6FFC0000 at link + # time. Moving up from 0x10000000 also allows more sbrk(2) space. + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s|^|_|" $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-h,$soname $wl--retain-symbols-file,$output_objdir/$soname.expsym $wl--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib' + ;; + irix5* | irix6*) + case $cc_basename in + CC*) + # SGI C++ + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + + # Archives containing C++ object files must be created using + # "CC -ar", where "CC" is the IRIX C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs' + ;; + *) + if test yes = "$GXX"; then + if test no = "$with_gnu_ld"; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + else + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` -o $lib' + fi + fi + _LT_TAGVAR(link_all_deplibs, $1)=yes + ;; + esac + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + _LT_TAGVAR(inherit_rpath, $1)=yes + ;; + + linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*) + case $cc_basename in + KCC*) + # Kuck and Associates, Inc. (KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo $lib | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib $wl-retain-symbols-file,$export_symbols; mv \$templib $lib' + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 | $GREP "ld"`; rm -f libconftest$shared_ext; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' + + # Archives containing C++ object files must be created using + # "CC -Bstatic", where "CC" is the KAI C++ compiler. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' + ;; + icpc* | ecpc* ) + # Intel C++ + with_gnu_ld=yes + # version 8.0 and above of icpc choke on multiply defined symbols + # if we add $predep_objects and $postdep_objects, however 7.1 and + # earlier do not add the objects themselves. + case `$CC -V 2>&1` in + *"Version 7."*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + ;; + *) # Version 8.0 or newer + tmp_idyn= + case $host_cpu in + ia64*) tmp_idyn=' -i_dynamic';; + esac + _LT_TAGVAR(archive_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared'"$tmp_idyn"' $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + ;; + esac + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive$convenience $wl--no-whole-archive' + ;; + pgCC* | pgcpp*) + # Portland Group C++ compiler + case `$CC -V` in + *pgCC\ [[1-5]].* | *pgcpp\ [[1-5]].*) + _LT_TAGVAR(prelink_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $objs $libobjs $compile_deplibs~ + compile_command="$compile_command `find $tpldir -name \*.o | sort | $NL2SP`"' + _LT_TAGVAR(old_archive_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $oldobjs$old_deplibs~ + $AR $AR_FLAGS $oldlib$oldobjs$old_deplibs `find $tpldir -name \*.o | sort | $NL2SP`~ + $RANLIB $oldlib' + _LT_TAGVAR(archive_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ + $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='tpldir=Template.dir~ + rm -rf $tpldir~ + $CC --prelink_objects --instantiation_dir $tpldir $predep_objects $libobjs $deplibs $convenience $postdep_objects~ + $CC -shared $pic_flag $predep_objects $libobjs $deplibs `find $tpldir -name \*.o | sort | $NL2SP` $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + ;; + *) # Version 6 and above use weak symbols + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname $wl-retain-symbols-file $wl$export_symbols -o $lib' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl--rpath $wl$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`for conv in $convenience\"\"; do test -n \"$conv\" && new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + ;; + cxx*) + # Compaq C++ + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname -o $lib $wl-retain-symbols-file $wl$export_symbols' + + runpath_var=LD_RUN_PATH + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "X$list" | $Xsed' + ;; + xl* | mpixl* | bgxl*) + # IBM XL 8.0 on PPC, with GNU ld + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl--export-dynamic' + _LT_TAGVAR(archive_cmds, $1)='$CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname -o $lib' + if test yes = "$supports_anon_versioning"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + $CC -qmkshrobj $libobjs $deplibs $compiler_flags $wl-soname $wl$soname $wl-version-script $wl$output_objdir/$libname.ver -o $lib' + fi + ;; + *) + if test "x$supports_anon_versioning" = xyes; then + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $output_objdir/$libname.ver~ + cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~ + echo "local: *; };" >> $output_objdir/$libname.ver~ + if test -r $libname-altlinux.ver; then cp $libname-altlinux.ver $output_objdir/$libname.ver; fi~ + $CC '"$tmp_sharedflag""$tmp_addflag"' $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib' + fi + + case `$CC -V 2>&1 | sed 5q` in + *Sun\ C*) + # Sun C++ 5.9 + _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' + _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file $wl$export_symbols' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl--whole-archive`new_convenience=; for conv in $convenience\"\"; do test -z \"$conv\" || new_convenience=\"$new_convenience,$conv\"; done; func_echo_all \"$new_convenience\"` $wl--no-whole-archive' + _LT_TAGVAR(compiler_needs_object, $1)=yes + + # Not sure whether something based on + # $CC $CFLAGS -v conftest.$objext -o libconftest$shared_ext 2>&1 + # would be better. + output_verbose_link_cmd='func_echo_all' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs' + ;; + esac + ;; + esac + ;; + + lynxos*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + m88k*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + mvs*) + case $cc_basename in + cxx*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + netbsd*) + if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags' + wlarc= + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + fi + # Workaround some broken pre-1.5 toolchains + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP conftest.$objext | $SED -e "s:-lgcc -lc -lgcc::"' + ;; + + *nto* | *qnx*) + _LT_TAGVAR(ld_shlibs, $1)=yes + ;; + + openbsd* | bitrig*) + if test -f /usr/libexec/ld.so; then + _LT_TAGVAR(hardcode_direct, $1)=yes + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_direct_absolute, $1)=yes + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`"; then + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-retain-symbols-file,$export_symbols -o $lib' + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-E' + _LT_TAGVAR(whole_archive_flag_spec, $1)=$wlarc'--whole-archive$convenience '$wlarc'--no-whole-archive' + fi + output_verbose_link_cmd=func_echo_all + else + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + + osf3* | osf4* | osf5*) + case $cc_basename in + KCC*) + # Kuck and Associates, Inc. (KAI) C++ Compiler + + # KCC will only create a shared library if the output file + # ends with ".so" (or ".sl" for HP-UX), so rename the library + # to its proper name (with version) after linking. + _LT_TAGVAR(archive_cmds, $1)='tempext=`echo $shared_ext | $SED -e '\''s/\([[^()0-9A-Za-z{}]]\)/\\\\\1/g'\''`; templib=`echo "$lib" | $SED -e "s/\$tempext\..*/.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Archives containing C++ object files must be created using + # the KAI C++ compiler. + case $host in + osf3*) _LT_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs' ;; + *) _LT_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs' ;; + esac + ;; + RCC*) + # Rational C++ 2.4.1 + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + cxx*) + case $host in + osf3*) + _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $soname `test -n "$verstring" && func_echo_all "$wl-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + ;; + *) + _LT_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*' + _LT_TAGVAR(archive_cmds, $1)='$CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "%s %s\\n" -exported_symbol "\$i" >> $lib.exp; done~ + echo "-hidden">> $lib.exp~ + $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname $wl-input $wl$lib.exp `test -n "$verstring" && $ECHO "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib~ + $RM $lib.exp' + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + # + # There doesn't appear to be a way to prevent this compiler from + # explicitly linking system object files so we need to strip them + # from the output so that they don't get included in the library + # dependencies. + output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP "ld" | $GREP -v "ld:"`; templist=`func_echo_all "$templist" | $SED "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"' + ;; + *) + if test yes,no = "$GXX,$with_gnu_ld"; then + _LT_TAGVAR(allow_undefined_flag, $1)=' $wl-expect_unresolved $wl\*' + case $host in + osf3*) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-msym $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations -o $lib' + ;; + esac + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-rpath $wl$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=: + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + + else + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + fi + ;; + esac + ;; + + psos*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + sunos4*) + case $cc_basename in + CC*) + # Sun C++ 4.x + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + lcc*) + # Lucid + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + solaris*) + case $cc_basename in + CC* | sunCC*) + # Sun C++ 4.2, 5.x and Centerline C++ + _LT_TAGVAR(archive_cmds_need_lc,$1)=yes + _LT_TAGVAR(no_undefined_flag, $1)=' -zdefs' + _LT_TAGVAR(archive_cmds, $1)='$CC -G$allow_undefined_flag -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G$allow_undefined_flag $wl-M $wl$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir' + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + # The compiler driver will combine and reorder linker options, + # but understands '-z linker_flag'. + # Supported since Solaris 2.6 (maybe 2.5.1?) + _LT_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' + ;; + esac + _LT_TAGVAR(link_all_deplibs, $1)=yes + + output_verbose_link_cmd='func_echo_all' + + # Archives containing C++ object files must be created using + # "CC -xar", where "CC" is the Sun C++ compiler. This is + # necessary to make sure instantiated templates are included + # in the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs' + ;; + gcx*) + # Green Hills C++ Compiler + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib' + + # The C++ compiler must be used to create the archive. + _LT_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs' + ;; + *) + # GNU C++ compiler with Solaris linker + if test yes,no = "$GXX,$with_gnu_ld"; then + _LT_TAGVAR(no_undefined_flag, $1)=' $wl-z ${wl}defs' + if $CC --version | $GREP -v '^2\.7' > /dev/null; then + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -shared $pic_flag -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + else + # g++ 2.7 appears to require '-G' NOT '-shared' on this + # platform. + _LT_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags $wl-h $wl$soname -o $lib' + _LT_TAGVAR(archive_expsym_cmds, $1)='echo "{ global:" > $lib.exp~cat $export_symbols | $SED -e "s/\(.*\)/\1;/" >> $lib.exp~echo "local: *; };" >> $lib.exp~ + $CC -G -nostdlib $wl-M $wl$lib.exp $wl-h $wl$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$RM $lib.exp' + + # Commands to make compiler produce verbose output that lists + # what "hidden" libraries, object files and flags are used when + # linking a shared library. + output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"' + fi + + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $wl$libdir' + case $host_os in + solaris2.[[0-5]] | solaris2.[[0-5]].*) ;; + *) + _LT_TAGVAR(whole_archive_flag_spec, $1)='$wl-z ${wl}allextract$convenience $wl-z ${wl}defaultextract' + ;; + esac + fi + ;; + esac + ;; + + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[[01]].[[10]]* | unixware7* | sco3.2v5.0.[[024]]*) + _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + sysv5* | sco3.2v5* | sco5v6*) + # Note: We CANNOT use -z defs as we might desire, because we do not + # link with -lc, and that would cause any symbols used from libc to + # always be unresolved, which means just about no library would + # ever link correctly. If we're not using GNU ld we use -z text + # though, which does catch some bad symbols but isn't as heavy-handed + # as -z defs. + _LT_TAGVAR(no_undefined_flag, $1)='$wl-z,text' + _LT_TAGVAR(allow_undefined_flag, $1)='$wl-z,nodefs' + _LT_TAGVAR(archive_cmds_need_lc, $1)=no + _LT_TAGVAR(hardcode_shlibpath_var, $1)=no + _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R,$libdir' + _LT_TAGVAR(hardcode_libdir_separator, $1)=':' + _LT_TAGVAR(link_all_deplibs, $1)=yes + _LT_TAGVAR(export_dynamic_flag_spec, $1)='$wl-Bexport' + runpath_var='LD_RUN_PATH' + + case $cc_basename in + CC*) + _LT_TAGVAR(archive_cmds, $1)='$CC -G $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -G $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(old_archive_cmds, $1)='$CC -Tprelink_objects $oldobjs~ + '"$_LT_TAGVAR(old_archive_cmds, $1)" + _LT_TAGVAR(reload_cmds, $1)='$CC -Tprelink_objects $reload_objs~ + '"$_LT_TAGVAR(reload_cmds, $1)" + ;; + *) + _LT_TAGVAR(archive_cmds, $1)='$CC -shared $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $wl-Bexport:$export_symbols $wl-h,$soname -o $lib $libobjs $deplibs $compiler_flags' + ;; + esac + ;; + + tandem*) + case $cc_basename in + NCC*) + # NonStop-UX NCC 3.20 + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + ;; + + vxworks*) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + + *) + # FIXME: insert proper C++ library support + _LT_TAGVAR(ld_shlibs, $1)=no + ;; + esac + + AC_MSG_RESULT([$_LT_TAGVAR(ld_shlibs, $1)]) + test no = "$_LT_TAGVAR(ld_shlibs, $1)" && can_build_shared=no + + _LT_TAGVAR(GCC, $1)=$GXX + _LT_TAGVAR(LD, $1)=$LD + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_SYS_HIDDEN_LIBDEPS($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + CC=$lt_save_CC + CFLAGS=$lt_save_CFLAGS + LDCXX=$LD + LD=$lt_save_LD + GCC=$lt_save_GCC + with_gnu_ld=$lt_save_with_gnu_ld + lt_cv_path_LDCXX=$lt_cv_path_LD + lt_cv_path_LD=$lt_save_path_LD + lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld + lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld +fi # test yes != "$_lt_caught_CXX_error" + +AC_LANG_POP +])# _LT_LANG_CXX_CONFIG + + +# _LT_FUNC_STRIPNAME_CNF +# ---------------------- +# func_stripname_cnf prefix suffix name +# strip PREFIX and SUFFIX off of NAME. +# PREFIX and SUFFIX must not contain globbing or regex special +# characters, hashes, percent signs, but SUFFIX may contain a leading +# dot (in which case that matches only a dot). +# +# This function is identical to the (non-XSI) version of func_stripname, +# except this one can be used by m4 code that may be executed by configure, +# rather than the libtool script. +m4_defun([_LT_FUNC_STRIPNAME_CNF],[dnl +AC_REQUIRE([_LT_DECL_SED]) +AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH]) +func_stripname_cnf () +{ + case @S|@2 in + .*) func_stripname_result=`$ECHO "@S|@3" | $SED "s%^@S|@1%%; s%\\\\@S|@2\$%%"`;; + *) func_stripname_result=`$ECHO "@S|@3" | $SED "s%^@S|@1%%; s%@S|@2\$%%"`;; + esac +} # func_stripname_cnf +])# _LT_FUNC_STRIPNAME_CNF + + +# _LT_SYS_HIDDEN_LIBDEPS([TAGNAME]) +# --------------------------------- +# Figure out "hidden" library dependencies from verbose +# compiler output when linking a shared library. +# Parse the compiler output and extract the necessary +# objects, libraries and library flags. +m4_defun([_LT_SYS_HIDDEN_LIBDEPS], +[m4_require([_LT_FILEUTILS_DEFAULTS])dnl +AC_REQUIRE([_LT_FUNC_STRIPNAME_CNF])dnl +# Dependencies to place before and after the object being linked: +_LT_TAGVAR(predep_objects, $1)= +_LT_TAGVAR(postdep_objects, $1)= +_LT_TAGVAR(predeps, $1)= +_LT_TAGVAR(postdeps, $1)= +_LT_TAGVAR(compiler_lib_search_path, $1)= + +dnl we can't use the lt_simple_compile_test_code here, +dnl because it contains code intended for an executable, +dnl not a library. It's possible we should let each +dnl tag define a new lt_????_link_test_code variable, +dnl but it's only used here... +m4_if([$1], [], [cat > conftest.$ac_ext <<_LT_EOF +int a; +void foo (void) { a = 0; } +_LT_EOF +], [$1], [CXX], [cat > conftest.$ac_ext <<_LT_EOF +class Foo +{ +public: + Foo (void) { a = 0; } +private: + int a; +}; +_LT_EOF +], [$1], [F77], [cat > conftest.$ac_ext <<_LT_EOF + subroutine foo + implicit none + integer*4 a + a=0 + return + end +_LT_EOF +], [$1], [FC], [cat > conftest.$ac_ext <<_LT_EOF + subroutine foo + implicit none + integer a + a=0 + return + end +_LT_EOF +], [$1], [GCJ], [cat > conftest.$ac_ext <<_LT_EOF +public class foo { + private int a; + public void bar (void) { + a = 0; + } +}; +_LT_EOF +], [$1], [GO], [cat > conftest.$ac_ext <<_LT_EOF +package foo +func foo() { +} +_LT_EOF +]) + +_lt_libdeps_save_CFLAGS=$CFLAGS +case "$CC $CFLAGS " in #( +*\ -flto*\ *) CFLAGS="$CFLAGS -fno-lto" ;; +*\ -fwhopr*\ *) CFLAGS="$CFLAGS -fno-whopr" ;; +*\ -fuse-linker-plugin*\ *) CFLAGS="$CFLAGS -fno-use-linker-plugin" ;; +esac + +dnl Parse the compiler output and extract the necessary +dnl objects, libraries and library flags. +if AC_TRY_EVAL(ac_compile); then + # Parse the compiler output and extract the necessary + # objects, libraries and library flags. + + # Sentinel used to keep track of whether or not we are before + # the conftest object file. + pre_test_object_deps_done=no + + for p in `eval "$output_verbose_link_cmd"`; do + case $prev$p in + + -L* | -R* | -l*) + # Some compilers place space between "-{L,R}" and the path. + # Remove the space. + if test x-L = "$p" || + test x-R = "$p"; then + prev=$p + continue + fi + + # Expand the sysroot to ease extracting the directories later. + if test -z "$prev"; then + case $p in + -L*) func_stripname_cnf '-L' '' "$p"; prev=-L; p=$func_stripname_result ;; + -R*) func_stripname_cnf '-R' '' "$p"; prev=-R; p=$func_stripname_result ;; + -l*) func_stripname_cnf '-l' '' "$p"; prev=-l; p=$func_stripname_result ;; + esac + fi + case $p in + =*) func_stripname_cnf '=' '' "$p"; p=$lt_sysroot$func_stripname_result ;; + esac + if test no = "$pre_test_object_deps_done"; then + case $prev in + -L | -R) + # Internal compiler library paths should come after those + # provided the user. The postdeps already come after the + # user supplied libs so there is no need to process them. + if test -z "$_LT_TAGVAR(compiler_lib_search_path, $1)"; then + _LT_TAGVAR(compiler_lib_search_path, $1)=$prev$p + else + _LT_TAGVAR(compiler_lib_search_path, $1)="${_LT_TAGVAR(compiler_lib_search_path, $1)} $prev$p" + fi + ;; + # The "-l" case would never come before the object being + # linked, so don't bother handling this case. + esac + else + if test -z "$_LT_TAGVAR(postdeps, $1)"; then + _LT_TAGVAR(postdeps, $1)=$prev$p + else + _LT_TAGVAR(postdeps, $1)="${_LT_TAGVAR(postdeps, $1)} $prev$p" + fi + fi + prev= + ;; + + *.lto.$objext) ;; # Ignore GCC LTO objects + *.$objext) + # This assumes that the test object file only shows up + # once in the compiler output. + if test "$p" = "conftest.$objext"; then + pre_test_object_deps_done=yes + continue + fi + + if test no = "$pre_test_object_deps_done"; then + if test -z "$_LT_TAGVAR(predep_objects, $1)"; then + _LT_TAGVAR(predep_objects, $1)=$p + else + _LT_TAGVAR(predep_objects, $1)="$_LT_TAGVAR(predep_objects, $1) $p" + fi + else + if test -z "$_LT_TAGVAR(postdep_objects, $1)"; then + _LT_TAGVAR(postdep_objects, $1)=$p + else + _LT_TAGVAR(postdep_objects, $1)="$_LT_TAGVAR(postdep_objects, $1) $p" + fi + fi + ;; + + *) ;; # Ignore the rest. + + esac + done + + # Clean up. + rm -f a.out a.exe +else + echo "libtool.m4: error: problem compiling $1 test program" +fi + +$RM -f confest.$objext +CFLAGS=$_lt_libdeps_save_CFLAGS + +# PORTME: override above test on systems where it is broken +m4_if([$1], [CXX], +[case $host_os in +interix[[3-9]]*) + # Interix 3.5 installs completely hosed .la files for C++, so rather than + # hack all around it, let's just trust "g++" to DTRT. + _LT_TAGVAR(predep_objects,$1)= + _LT_TAGVAR(postdep_objects,$1)= + _LT_TAGVAR(postdeps,$1)= + ;; +esac +]) + +case " $_LT_TAGVAR(postdeps, $1) " in +*" -lc "*) _LT_TAGVAR(archive_cmds_need_lc, $1)=no ;; +esac + _LT_TAGVAR(compiler_lib_search_dirs, $1)= +if test -n "${_LT_TAGVAR(compiler_lib_search_path, $1)}"; then + _LT_TAGVAR(compiler_lib_search_dirs, $1)=`echo " ${_LT_TAGVAR(compiler_lib_search_path, $1)}" | $SED -e 's! -L! !g' -e 's!^ !!'` +fi +_LT_TAGDECL([], [compiler_lib_search_dirs], [1], + [The directories searched by this compiler when creating a shared library]) +_LT_TAGDECL([], [predep_objects], [1], + [Dependencies to place before and after the objects being linked to + create a shared library]) +_LT_TAGDECL([], [postdep_objects], [1]) +_LT_TAGDECL([], [predeps], [1]) +_LT_TAGDECL([], [postdeps], [1]) +_LT_TAGDECL([], [compiler_lib_search_path], [1], + [The library search path used internally by the compiler when linking + a shared library]) +])# _LT_SYS_HIDDEN_LIBDEPS + + +# _LT_LANG_F77_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for a Fortran 77 compiler are +# suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_F77_CONFIG], +[AC_LANG_PUSH(Fortran 77) +if test -z "$F77" || test no = "$F77"; then + _lt_disable_F77=yes +fi + +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for f77 test sources. +ac_ext=f + +# Object file extension for compiled f77 test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the F77 compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test yes != "$_lt_disable_F77"; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="\ + subroutine t + return + end +" + + # Code to be used in simple link tests + lt_simple_link_test_code="\ + program t + end +" + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC=$CC + lt_save_GCC=$GCC + lt_save_CFLAGS=$CFLAGS + CC=${F77-"f77"} + CFLAGS=$FFLAGS + compiler=$CC + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + GCC=$G77 + if test -n "$compiler"; then + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test no = "$can_build_shared" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test yes = "$enable_shared" && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + aix[[4-9]]*) + if test ia64 != "$host_cpu"; then + case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in + yes,aix,yes) ;; # shared object as lib.so file only + yes,svr4,*) ;; # shared object as lib.so archive member only + yes,*) enable_static=no ;; # shared object in lib.a archive as well + esac + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test yes = "$enable_shared" || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_TAGVAR(GCC, $1)=$G77 + _LT_TAGVAR(LD, $1)=$LD + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + GCC=$lt_save_GCC + CC=$lt_save_CC + CFLAGS=$lt_save_CFLAGS +fi # test yes != "$_lt_disable_F77" + +AC_LANG_POP +])# _LT_LANG_F77_CONFIG + + +# _LT_LANG_FC_CONFIG([TAG]) +# ------------------------- +# Ensure that the configuration variables for a Fortran compiler are +# suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_FC_CONFIG], +[AC_LANG_PUSH(Fortran) + +if test -z "$FC" || test no = "$FC"; then + _lt_disable_FC=yes +fi + +_LT_TAGVAR(archive_cmds_need_lc, $1)=no +_LT_TAGVAR(allow_undefined_flag, $1)= +_LT_TAGVAR(always_export_symbols, $1)=no +_LT_TAGVAR(archive_expsym_cmds, $1)= +_LT_TAGVAR(export_dynamic_flag_spec, $1)= +_LT_TAGVAR(hardcode_direct, $1)=no +_LT_TAGVAR(hardcode_direct_absolute, $1)=no +_LT_TAGVAR(hardcode_libdir_flag_spec, $1)= +_LT_TAGVAR(hardcode_libdir_separator, $1)= +_LT_TAGVAR(hardcode_minus_L, $1)=no +_LT_TAGVAR(hardcode_automatic, $1)=no +_LT_TAGVAR(inherit_rpath, $1)=no +_LT_TAGVAR(module_cmds, $1)= +_LT_TAGVAR(module_expsym_cmds, $1)= +_LT_TAGVAR(link_all_deplibs, $1)=unknown +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds +_LT_TAGVAR(no_undefined_flag, $1)= +_LT_TAGVAR(whole_archive_flag_spec, $1)= +_LT_TAGVAR(enable_shared_with_static_runtimes, $1)=no + +# Source file extension for fc test sources. +ac_ext=${ac_fc_srcext-f} + +# Object file extension for compiled fc test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# No sense in running all these tests if we already determined that +# the FC compiler isn't working. Some variables (like enable_shared) +# are currently assumed to apply to all compilers on this platform, +# and will be corrupted by setting them based on a non-working compiler. +if test yes != "$_lt_disable_FC"; then + # Code to be used in simple compile tests + lt_simple_compile_test_code="\ + subroutine t + return + end +" + + # Code to be used in simple link tests + lt_simple_link_test_code="\ + program t + end +" + + # ltmain only uses $CC for tagged configurations so make sure $CC is set. + _LT_TAG_COMPILER + + # save warnings/boilerplate of simple test code + _LT_COMPILER_BOILERPLATE + _LT_LINKER_BOILERPLATE + + # Allow CC to be a program name with arguments. + lt_save_CC=$CC + lt_save_GCC=$GCC + lt_save_CFLAGS=$CFLAGS + CC=${FC-"f95"} + CFLAGS=$FCFLAGS + compiler=$CC + GCC=$ac_cv_fc_compiler_gnu + + _LT_TAGVAR(compiler, $1)=$CC + _LT_CC_BASENAME([$compiler]) + + if test -n "$compiler"; then + AC_MSG_CHECKING([if libtool supports shared libraries]) + AC_MSG_RESULT([$can_build_shared]) + + AC_MSG_CHECKING([whether to build shared libraries]) + test no = "$can_build_shared" && enable_shared=no + + # On AIX, shared libraries and static libraries use the same namespace, and + # are all built from PIC. + case $host_os in + aix3*) + test yes = "$enable_shared" && enable_static=no + if test -n "$RANLIB"; then + archive_cmds="$archive_cmds~\$RANLIB \$lib" + postinstall_cmds='$RANLIB $lib' + fi + ;; + aix[[4-9]]*) + if test ia64 != "$host_cpu"; then + case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in + yes,aix,yes) ;; # shared object as lib.so file only + yes,svr4,*) ;; # shared object as lib.so archive member only + yes,*) enable_static=no ;; # shared object in lib.a archive as well + esac + fi + ;; + esac + AC_MSG_RESULT([$enable_shared]) + + AC_MSG_CHECKING([whether to build static libraries]) + # Make sure either enable_shared or enable_static is yes. + test yes = "$enable_shared" || enable_static=yes + AC_MSG_RESULT([$enable_static]) + + _LT_TAGVAR(GCC, $1)=$ac_cv_fc_compiler_gnu + _LT_TAGVAR(LD, $1)=$LD + + ## CAVEAT EMPTOR: + ## There is no encapsulation within the following macros, do not change + ## the running order or otherwise move them around unless you know exactly + ## what you are doing... + _LT_SYS_HIDDEN_LIBDEPS($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_SYS_DYNAMIC_LINKER($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) + fi # test -n "$compiler" + + GCC=$lt_save_GCC + CC=$lt_save_CC + CFLAGS=$lt_save_CFLAGS +fi # test yes != "$_lt_disable_FC" + +AC_LANG_POP +])# _LT_LANG_FC_CONFIG + + +# _LT_LANG_GCJ_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for the GNU Java Compiler compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_GCJ_CONFIG], +[AC_REQUIRE([LT_PROG_GCJ])dnl +AC_LANG_SAVE + +# Source file extension for Java test sources. +ac_ext=java + +# Object file extension for compiled Java test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="class foo {}" + +# Code to be used in simple link tests +lt_simple_link_test_code='public class conftest { public static void main(String[[]] argv) {}; }' + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC=$CC +lt_save_CFLAGS=$CFLAGS +lt_save_GCC=$GCC +GCC=yes +CC=${GCJ-"gcj"} +CFLAGS=$GCJFLAGS +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_TAGVAR(LD, $1)=$LD +_LT_CC_BASENAME([$compiler]) + +# GCJ did not exist at the time GCC didn't implicitly link libc in. +_LT_TAGVAR(archive_cmds_need_lc, $1)=no + +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) +fi + +AC_LANG_RESTORE + +GCC=$lt_save_GCC +CC=$lt_save_CC +CFLAGS=$lt_save_CFLAGS +])# _LT_LANG_GCJ_CONFIG + + +# _LT_LANG_GO_CONFIG([TAG]) +# -------------------------- +# Ensure that the configuration variables for the GNU Go compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_GO_CONFIG], +[AC_REQUIRE([LT_PROG_GO])dnl +AC_LANG_SAVE + +# Source file extension for Go test sources. +ac_ext=go + +# Object file extension for compiled Go test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code="package main; func main() { }" + +# Code to be used in simple link tests +lt_simple_link_test_code='package main; func main() { }' + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC=$CC +lt_save_CFLAGS=$CFLAGS +lt_save_GCC=$GCC +GCC=yes +CC=${GOC-"gccgo"} +CFLAGS=$GOFLAGS +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_TAGVAR(LD, $1)=$LD +_LT_CC_BASENAME([$compiler]) + +# Go did not exist at the time GCC didn't implicitly link libc in. +_LT_TAGVAR(archive_cmds_need_lc, $1)=no + +_LT_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds +_LT_TAGVAR(reload_flag, $1)=$reload_flag +_LT_TAGVAR(reload_cmds, $1)=$reload_cmds + +## CAVEAT EMPTOR: +## There is no encapsulation within the following macros, do not change +## the running order or otherwise move them around unless you know exactly +## what you are doing... +if test -n "$compiler"; then + _LT_COMPILER_NO_RTTI($1) + _LT_COMPILER_PIC($1) + _LT_COMPILER_C_O($1) + _LT_COMPILER_FILE_LOCKS($1) + _LT_LINKER_SHLIBS($1) + _LT_LINKER_HARDCODE_LIBPATH($1) + + _LT_CONFIG($1) +fi + +AC_LANG_RESTORE + +GCC=$lt_save_GCC +CC=$lt_save_CC +CFLAGS=$lt_save_CFLAGS +])# _LT_LANG_GO_CONFIG + + +# _LT_LANG_RC_CONFIG([TAG]) +# ------------------------- +# Ensure that the configuration variables for the Windows resource compiler +# are suitably defined. These variables are subsequently used by _LT_CONFIG +# to write the compiler configuration to 'libtool'. +m4_defun([_LT_LANG_RC_CONFIG], +[AC_REQUIRE([LT_PROG_RC])dnl +AC_LANG_SAVE + +# Source file extension for RC test sources. +ac_ext=rc + +# Object file extension for compiled RC test sources. +objext=o +_LT_TAGVAR(objext, $1)=$objext + +# Code to be used in simple compile tests +lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }' + +# Code to be used in simple link tests +lt_simple_link_test_code=$lt_simple_compile_test_code + +# ltmain only uses $CC for tagged configurations so make sure $CC is set. +_LT_TAG_COMPILER + +# save warnings/boilerplate of simple test code +_LT_COMPILER_BOILERPLATE +_LT_LINKER_BOILERPLATE + +# Allow CC to be a program name with arguments. +lt_save_CC=$CC +lt_save_CFLAGS=$CFLAGS +lt_save_GCC=$GCC +GCC= +CC=${RC-"windres"} +CFLAGS= +compiler=$CC +_LT_TAGVAR(compiler, $1)=$CC +_LT_CC_BASENAME([$compiler]) +_LT_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes + +if test -n "$compiler"; then + : + _LT_CONFIG($1) +fi + +GCC=$lt_save_GCC +AC_LANG_RESTORE +CC=$lt_save_CC +CFLAGS=$lt_save_CFLAGS +])# _LT_LANG_RC_CONFIG + + +# LT_PROG_GCJ +# ----------- +AC_DEFUN([LT_PROG_GCJ], +[m4_ifdef([AC_PROG_GCJ], [AC_PROG_GCJ], + [m4_ifdef([A][M_PROG_GCJ], [A][M_PROG_GCJ], + [AC_CHECK_TOOL(GCJ, gcj,) + test set = "${GCJFLAGS+set}" || GCJFLAGS="-g -O2" + AC_SUBST(GCJFLAGS)])])[]dnl +]) + +# Old name: +AU_ALIAS([LT_AC_PROG_GCJ], [LT_PROG_GCJ]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_GCJ], []) + + +# LT_PROG_GO +# ---------- +AC_DEFUN([LT_PROG_GO], +[AC_CHECK_TOOL(GOC, gccgo,) +]) + + +# LT_PROG_RC +# ---------- +AC_DEFUN([LT_PROG_RC], +[AC_CHECK_TOOL(RC, windres,) +]) + +# Old name: +AU_ALIAS([LT_AC_PROG_RC], [LT_PROG_RC]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_RC], []) + + +# _LT_DECL_EGREP +# -------------- +# If we don't have a new enough Autoconf to choose the best grep +# available, choose the one first in the user's PATH. +m4_defun([_LT_DECL_EGREP], +[AC_REQUIRE([AC_PROG_EGREP])dnl +AC_REQUIRE([AC_PROG_FGREP])dnl +test -z "$GREP" && GREP=grep +_LT_DECL([], [GREP], [1], [A grep program that handles long lines]) +_LT_DECL([], [EGREP], [1], [An ERE matcher]) +_LT_DECL([], [FGREP], [1], [A literal string matcher]) +dnl Non-bleeding-edge autoconf doesn't subst GREP, so do it here too +AC_SUBST([GREP]) +]) + + +# _LT_DECL_OBJDUMP +# -------------- +# If we don't have a new enough Autoconf to choose the best objdump +# available, choose the one first in the user's PATH. +m4_defun([_LT_DECL_OBJDUMP], +[AC_CHECK_TOOL(OBJDUMP, objdump, false) +test -z "$OBJDUMP" && OBJDUMP=objdump +_LT_DECL([], [OBJDUMP], [1], [An object symbol dumper]) +AC_SUBST([OBJDUMP]) +]) + +# _LT_DECL_DLLTOOL +# ---------------- +# Ensure DLLTOOL variable is set. +m4_defun([_LT_DECL_DLLTOOL], +[AC_CHECK_TOOL(DLLTOOL, dlltool, false) +test -z "$DLLTOOL" && DLLTOOL=dlltool +_LT_DECL([], [DLLTOOL], [1], [DLL creation program]) +AC_SUBST([DLLTOOL]) +]) + +# _LT_DECL_SED +# ------------ +# Check for a fully-functional sed program, that truncates +# as few characters as possible. Prefer GNU sed if found. +m4_defun([_LT_DECL_SED], +[AC_PROG_SED +test -z "$SED" && SED=sed +Xsed="$SED -e 1s/^X//" +_LT_DECL([], [SED], [1], [A sed program that does not truncate output]) +_LT_DECL([], [Xsed], ["\$SED -e 1s/^X//"], + [Sed that helps us avoid accidentally triggering echo(1) options like -n]) +])# _LT_DECL_SED + +m4_ifndef([AC_PROG_SED], [ +############################################################ +# NOTE: This macro has been submitted for inclusion into # +# GNU Autoconf as AC_PROG_SED. When it is available in # +# a released version of Autoconf we should remove this # +# macro and use it instead. # +############################################################ + +m4_defun([AC_PROG_SED], +[AC_MSG_CHECKING([for a sed that does not truncate output]) +AC_CACHE_VAL(lt_cv_path_SED, +[# Loop through the user's path and test for sed and gsed. +# Then use that list of sed's as ones to test for truncation. +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for lt_ac_prog in sed gsed; do + for ac_exec_ext in '' $ac_executable_extensions; do + if $as_executable_p "$as_dir/$lt_ac_prog$ac_exec_ext"; then + lt_ac_sed_list="$lt_ac_sed_list $as_dir/$lt_ac_prog$ac_exec_ext" + fi + done + done +done +IFS=$as_save_IFS +lt_ac_max=0 +lt_ac_count=0 +# Add /usr/xpg4/bin/sed as it is typically found on Solaris +# along with /bin/sed that truncates output. +for lt_ac_sed in $lt_ac_sed_list /usr/xpg4/bin/sed; do + test ! -f "$lt_ac_sed" && continue + cat /dev/null > conftest.in + lt_ac_count=0 + echo $ECHO_N "0123456789$ECHO_C" >conftest.in + # Check for GNU sed and select it if it is found. + if "$lt_ac_sed" --version 2>&1 < /dev/null | grep 'GNU' > /dev/null; then + lt_cv_path_SED=$lt_ac_sed + break + fi + while true; do + cat conftest.in conftest.in >conftest.tmp + mv conftest.tmp conftest.in + cp conftest.in conftest.nl + echo >>conftest.nl + $lt_ac_sed -e 's/a$//' < conftest.nl >conftest.out || break + cmp -s conftest.out conftest.nl || break + # 10000 chars as input seems more than enough + test 10 -lt "$lt_ac_count" && break + lt_ac_count=`expr $lt_ac_count + 1` + if test "$lt_ac_count" -gt "$lt_ac_max"; then + lt_ac_max=$lt_ac_count + lt_cv_path_SED=$lt_ac_sed + fi + done +done +]) +SED=$lt_cv_path_SED +AC_SUBST([SED]) +AC_MSG_RESULT([$SED]) +])#AC_PROG_SED +])#m4_ifndef + +# Old name: +AU_ALIAS([LT_AC_PROG_SED], [AC_PROG_SED]) +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([LT_AC_PROG_SED], []) + + +# _LT_CHECK_SHELL_FEATURES +# ------------------------ +# Find out whether the shell is Bourne or XSI compatible, +# or has some other useful features. +m4_defun([_LT_CHECK_SHELL_FEATURES], +[if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + lt_unset=unset +else + lt_unset=false +fi +_LT_DECL([], [lt_unset], [0], [whether the shell understands "unset"])dnl + +# test EBCDIC or ASCII +case `echo X|tr X '\101'` in + A) # ASCII based system + # \n is not interpreted correctly by Solaris 8 /usr/ucb/tr + lt_SP2NL='tr \040 \012' + lt_NL2SP='tr \015\012 \040\040' + ;; + *) # EBCDIC based system + lt_SP2NL='tr \100 \n' + lt_NL2SP='tr \r\n \100\100' + ;; +esac +_LT_DECL([SP2NL], [lt_SP2NL], [1], [turn spaces into newlines])dnl +_LT_DECL([NL2SP], [lt_NL2SP], [1], [turn newlines into spaces])dnl +])# _LT_CHECK_SHELL_FEATURES + + +# _LT_PATH_CONVERSION_FUNCTIONS +# ----------------------------- +# Determine what file name conversion functions should be used by +# func_to_host_file (and, implicitly, by func_to_host_path). These are needed +# for certain cross-compile configurations and native mingw. +m4_defun([_LT_PATH_CONVERSION_FUNCTIONS], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +AC_REQUIRE([AC_CANONICAL_BUILD])dnl +AC_MSG_CHECKING([how to convert $build file names to $host format]) +AC_CACHE_VAL(lt_cv_to_host_file_cmd, +[case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_w32 + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_cygwin_to_w32 + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_w32 + ;; + esac + ;; + *-*-cygwin* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_host_file_cmd=func_convert_file_msys_to_cygwin + ;; + *-*-cygwin* ) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; + * ) # otherwise, assume *nix + lt_cv_to_host_file_cmd=func_convert_file_nix_to_cygwin + ;; + esac + ;; + * ) # unhandled hosts (and "normal" native builds) + lt_cv_to_host_file_cmd=func_convert_file_noop + ;; +esac +]) +to_host_file_cmd=$lt_cv_to_host_file_cmd +AC_MSG_RESULT([$lt_cv_to_host_file_cmd]) +_LT_DECL([to_host_file_cmd], [lt_cv_to_host_file_cmd], + [0], [convert $build file names to $host format])dnl + +AC_MSG_CHECKING([how to convert $build file names to toolchain format]) +AC_CACHE_VAL(lt_cv_to_tool_file_cmd, +[#assume ordinary cross tools, or native build. +lt_cv_to_tool_file_cmd=func_convert_file_noop +case $host in + *-*-mingw* ) + case $build in + *-*-mingw* ) # actually msys + lt_cv_to_tool_file_cmd=func_convert_file_msys_to_w32 + ;; + esac + ;; +esac +]) +to_tool_file_cmd=$lt_cv_to_tool_file_cmd +AC_MSG_RESULT([$lt_cv_to_tool_file_cmd]) +_LT_DECL([to_tool_file_cmd], [lt_cv_to_tool_file_cmd], + [0], [convert $build files to toolchain format])dnl +])# _LT_PATH_CONVERSION_FUNCTIONS diff --git a/m4/ltoptions.m4 b/m4/ltoptions.m4 new file mode 100644 index 0000000..c166425 --- /dev/null +++ b/m4/ltoptions.m4 @@ -0,0 +1,437 @@ +# Helper functions for option handling. -*- Autoconf -*- +# +# Copyright (C) 2004-2005, 2007-2009, 2011-2019 Free Software +# Foundation, Inc. +# Written by Gary V. Vaughan, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 8 ltoptions.m4 + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])]) + + +# _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME) +# ------------------------------------------ +m4_define([_LT_MANGLE_OPTION], +[[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])]) + + +# _LT_SET_OPTION(MACRO-NAME, OPTION-NAME) +# --------------------------------------- +# Set option OPTION-NAME for macro MACRO-NAME, and if there is a +# matching handler defined, dispatch to it. Other OPTION-NAMEs are +# saved as a flag. +m4_define([_LT_SET_OPTION], +[m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl +m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]), + _LT_MANGLE_DEFUN([$1], [$2]), + [m4_warning([Unknown $1 option '$2'])])[]dnl +]) + + +# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET]) +# ------------------------------------------------------------ +# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise. +m4_define([_LT_IF_OPTION], +[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])]) + + +# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET) +# ------------------------------------------------------- +# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME +# are set. +m4_define([_LT_UNLESS_OPTIONS], +[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), + [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option), + [m4_define([$0_found])])])[]dnl +m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3 +])[]dnl +]) + + +# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST) +# ---------------------------------------- +# OPTION-LIST is a space-separated list of Libtool options associated +# with MACRO-NAME. If any OPTION has a matching handler declared with +# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about +# the unknown option and exit. +m4_defun([_LT_SET_OPTIONS], +[# Set options +m4_foreach([_LT_Option], m4_split(m4_normalize([$2])), + [_LT_SET_OPTION([$1], _LT_Option)]) + +m4_if([$1],[LT_INIT],[ + dnl + dnl Simply set some default values (i.e off) if boolean options were not + dnl specified: + _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no + ]) + _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no + ]) + dnl + dnl If no reference was made to various pairs of opposing options, then + dnl we run the default mode handler for the pair. For example, if neither + dnl 'shared' nor 'disable-shared' was passed, we enable building of shared + dnl archives by default: + _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED]) + _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC]) + _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC]) + _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install], + [_LT_ENABLE_FAST_INSTALL]) + _LT_UNLESS_OPTIONS([LT_INIT], [aix-soname=aix aix-soname=both aix-soname=svr4], + [_LT_WITH_AIX_SONAME([aix])]) + ]) +])# _LT_SET_OPTIONS + + +## --------------------------------- ## +## Macros to handle LT_INIT options. ## +## --------------------------------- ## + +# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME) +# ----------------------------------------- +m4_define([_LT_MANGLE_DEFUN], +[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])]) + + +# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE) +# ----------------------------------------------- +m4_define([LT_OPTION_DEFINE], +[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl +])# LT_OPTION_DEFINE + + +# dlopen +# ------ +LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes +]) + +AU_DEFUN([AC_LIBTOOL_DLOPEN], +[_LT_SET_OPTION([LT_INIT], [dlopen]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the 'dlopen' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], []) + + +# win32-dll +# --------- +# Declare package support for building win32 dll's. +LT_OPTION_DEFINE([LT_INIT], [win32-dll], +[enable_win32_dll=yes + +case $host in +*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*) + AC_CHECK_TOOL(AS, as, false) + AC_CHECK_TOOL(DLLTOOL, dlltool, false) + AC_CHECK_TOOL(OBJDUMP, objdump, false) + ;; +esac + +test -z "$AS" && AS=as +_LT_DECL([], [AS], [1], [Assembler program])dnl + +test -z "$DLLTOOL" && DLLTOOL=dlltool +_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl + +test -z "$OBJDUMP" && OBJDUMP=objdump +_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl +])# win32-dll + +AU_DEFUN([AC_LIBTOOL_WIN32_DLL], +[AC_REQUIRE([AC_CANONICAL_HOST])dnl +_LT_SET_OPTION([LT_INIT], [win32-dll]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the 'win32-dll' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], []) + + +# _LT_ENABLE_SHARED([DEFAULT]) +# ---------------------------- +# implement the --enable-shared flag, and supports the 'shared' and +# 'disable-shared' LT_INIT options. +# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. +m4_define([_LT_ENABLE_SHARED], +[m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([shared], + [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@], + [build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_shared=yes ;; + no) enable_shared=no ;; + *) + enable_shared=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_shared=yes + fi + done + IFS=$lt_save_ifs + ;; + esac], + [enable_shared=]_LT_ENABLE_SHARED_DEFAULT) + + _LT_DECL([build_libtool_libs], [enable_shared], [0], + [Whether or not to build shared libraries]) +])# _LT_ENABLE_SHARED + +LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])]) + +# Old names: +AC_DEFUN([AC_ENABLE_SHARED], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared]) +]) + +AC_DEFUN([AC_DISABLE_SHARED], +[_LT_SET_OPTION([LT_INIT], [disable-shared]) +]) + +AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)]) +AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_ENABLE_SHARED], []) +dnl AC_DEFUN([AM_DISABLE_SHARED], []) + + + +# _LT_ENABLE_STATIC([DEFAULT]) +# ---------------------------- +# implement the --enable-static flag, and support the 'static' and +# 'disable-static' LT_INIT options. +# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. +m4_define([_LT_ENABLE_STATIC], +[m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([static], + [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@], + [build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_static=yes ;; + no) enable_static=no ;; + *) + enable_static=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_static=yes + fi + done + IFS=$lt_save_ifs + ;; + esac], + [enable_static=]_LT_ENABLE_STATIC_DEFAULT) + + _LT_DECL([build_old_libs], [enable_static], [0], + [Whether or not to build static libraries]) +])# _LT_ENABLE_STATIC + +LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])]) + +# Old names: +AC_DEFUN([AC_ENABLE_STATIC], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static]) +]) + +AC_DEFUN([AC_DISABLE_STATIC], +[_LT_SET_OPTION([LT_INIT], [disable-static]) +]) + +AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)]) +AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AM_ENABLE_STATIC], []) +dnl AC_DEFUN([AM_DISABLE_STATIC], []) + + + +# _LT_ENABLE_FAST_INSTALL([DEFAULT]) +# ---------------------------------- +# implement the --enable-fast-install flag, and support the 'fast-install' +# and 'disable-fast-install' LT_INIT options. +# DEFAULT is either 'yes' or 'no'. If omitted, it defaults to 'yes'. +m4_define([_LT_ENABLE_FAST_INSTALL], +[m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl +AC_ARG_ENABLE([fast-install], + [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@], + [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])], + [p=${PACKAGE-default} + case $enableval in + yes) enable_fast_install=yes ;; + no) enable_fast_install=no ;; + *) + enable_fast_install=no + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for pkg in $enableval; do + IFS=$lt_save_ifs + if test "X$pkg" = "X$p"; then + enable_fast_install=yes + fi + done + IFS=$lt_save_ifs + ;; + esac], + [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT) + +_LT_DECL([fast_install], [enable_fast_install], [0], + [Whether or not to optimize for fast installation])dnl +])# _LT_ENABLE_FAST_INSTALL + +LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])]) +LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])]) + +# Old names: +AU_DEFUN([AC_ENABLE_FAST_INSTALL], +[_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you put +the 'fast-install' option into LT_INIT's first parameter.]) +]) + +AU_DEFUN([AC_DISABLE_FAST_INSTALL], +[_LT_SET_OPTION([LT_INIT], [disable-fast-install]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you put +the 'disable-fast-install' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], []) +dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], []) + + +# _LT_WITH_AIX_SONAME([DEFAULT]) +# ---------------------------------- +# implement the --with-aix-soname flag, and support the `aix-soname=aix' +# and `aix-soname=both' and `aix-soname=svr4' LT_INIT options. DEFAULT +# is either `aix', `both' or `svr4'. If omitted, it defaults to `aix'. +m4_define([_LT_WITH_AIX_SONAME], +[m4_define([_LT_WITH_AIX_SONAME_DEFAULT], [m4_if($1, svr4, svr4, m4_if($1, both, both, aix))])dnl +shared_archive_member_spec= +case $host,$enable_shared in +power*-*-aix[[5-9]]*,yes) + AC_MSG_CHECKING([which variant of shared library versioning to provide]) + AC_ARG_WITH([aix-soname], + [AS_HELP_STRING([--with-aix-soname=aix|svr4|both], + [shared library versioning (aka "SONAME") variant to provide on AIX, @<:@default=]_LT_WITH_AIX_SONAME_DEFAULT[@:>@.])], + [case $withval in + aix|svr4|both) + ;; + *) + AC_MSG_ERROR([Unknown argument to --with-aix-soname]) + ;; + esac + lt_cv_with_aix_soname=$with_aix_soname], + [AC_CACHE_VAL([lt_cv_with_aix_soname], + [lt_cv_with_aix_soname=]_LT_WITH_AIX_SONAME_DEFAULT) + with_aix_soname=$lt_cv_with_aix_soname]) + AC_MSG_RESULT([$with_aix_soname]) + if test aix != "$with_aix_soname"; then + # For the AIX way of multilib, we name the shared archive member + # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o', + # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File. + # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag, + # the AIX toolchain works better with OBJECT_MODE set (default 32). + if test 64 = "${OBJECT_MODE-32}"; then + shared_archive_member_spec=shr_64 + else + shared_archive_member_spec=shr + fi + fi + ;; +*) + with_aix_soname=aix + ;; +esac + +_LT_DECL([], [shared_archive_member_spec], [0], + [Shared archive member basename, for filename based shared library versioning on AIX])dnl +])# _LT_WITH_AIX_SONAME + +LT_OPTION_DEFINE([LT_INIT], [aix-soname=aix], [_LT_WITH_AIX_SONAME([aix])]) +LT_OPTION_DEFINE([LT_INIT], [aix-soname=both], [_LT_WITH_AIX_SONAME([both])]) +LT_OPTION_DEFINE([LT_INIT], [aix-soname=svr4], [_LT_WITH_AIX_SONAME([svr4])]) + + +# _LT_WITH_PIC([MODE]) +# -------------------- +# implement the --with-pic flag, and support the 'pic-only' and 'no-pic' +# LT_INIT options. +# MODE is either 'yes' or 'no'. If omitted, it defaults to 'both'. +m4_define([_LT_WITH_PIC], +[AC_ARG_WITH([pic], + [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@], + [try to use only PIC/non-PIC objects @<:@default=use both@:>@])], + [lt_p=${PACKAGE-default} + case $withval in + yes|no) pic_mode=$withval ;; + *) + pic_mode=default + # Look at the argument we got. We use all the common list separators. + lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR, + for lt_pkg in $withval; do + IFS=$lt_save_ifs + if test "X$lt_pkg" = "X$lt_p"; then + pic_mode=yes + fi + done + IFS=$lt_save_ifs + ;; + esac], + [pic_mode=m4_default([$1], [default])]) + +_LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl +])# _LT_WITH_PIC + +LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])]) +LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])]) + +# Old name: +AU_DEFUN([AC_LIBTOOL_PICMODE], +[_LT_SET_OPTION([LT_INIT], [pic-only]) +AC_DIAGNOSE([obsolete], +[$0: Remove this warning and the call to _LT_SET_OPTION when you +put the 'pic-only' option into LT_INIT's first parameter.]) +]) + +dnl aclocal-1.4 backwards compatibility: +dnl AC_DEFUN([AC_LIBTOOL_PICMODE], []) + +## ----------------- ## +## LTDL_INIT Options ## +## ----------------- ## + +m4_define([_LTDL_MODE], []) +LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive], + [m4_define([_LTDL_MODE], [nonrecursive])]) +LT_OPTION_DEFINE([LTDL_INIT], [recursive], + [m4_define([_LTDL_MODE], [recursive])]) +LT_OPTION_DEFINE([LTDL_INIT], [subproject], + [m4_define([_LTDL_MODE], [subproject])]) + +m4_define([_LTDL_TYPE], []) +LT_OPTION_DEFINE([LTDL_INIT], [installable], + [m4_define([_LTDL_TYPE], [installable])]) +LT_OPTION_DEFINE([LTDL_INIT], [convenience], + [m4_define([_LTDL_TYPE], [convenience])]) diff --git a/m4/ltsugar.m4 b/m4/ltsugar.m4 new file mode 100644 index 0000000..e652d5a --- /dev/null +++ b/m4/ltsugar.m4 @@ -0,0 +1,124 @@ +# ltsugar.m4 -- libtool m4 base layer. -*-Autoconf-*- +# +# Copyright (C) 2004-2005, 2007-2008, 2011-2019 Free Software +# Foundation, Inc. +# Written by Gary V. Vaughan, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 6 ltsugar.m4 + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTSUGAR_VERSION], [m4_if([0.1])]) + + +# lt_join(SEP, ARG1, [ARG2...]) +# ----------------------------- +# Produce ARG1SEPARG2...SEPARGn, omitting [] arguments and their +# associated separator. +# Needed until we can rely on m4_join from Autoconf 2.62, since all earlier +# versions in m4sugar had bugs. +m4_define([lt_join], +[m4_if([$#], [1], [], + [$#], [2], [[$2]], + [m4_if([$2], [], [], [[$2]_])$0([$1], m4_shift(m4_shift($@)))])]) +m4_define([_lt_join], +[m4_if([$#$2], [2], [], + [m4_if([$2], [], [], [[$1$2]])$0([$1], m4_shift(m4_shift($@)))])]) + + +# lt_car(LIST) +# lt_cdr(LIST) +# ------------ +# Manipulate m4 lists. +# These macros are necessary as long as will still need to support +# Autoconf-2.59, which quotes differently. +m4_define([lt_car], [[$1]]) +m4_define([lt_cdr], +[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])], + [$#], 1, [], + [m4_dquote(m4_shift($@))])]) +m4_define([lt_unquote], $1) + + +# lt_append(MACRO-NAME, STRING, [SEPARATOR]) +# ------------------------------------------ +# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'. +# Note that neither SEPARATOR nor STRING are expanded; they are appended +# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked). +# No SEPARATOR is output if MACRO-NAME was previously undefined (different +# than defined and empty). +# +# This macro is needed until we can rely on Autoconf 2.62, since earlier +# versions of m4sugar mistakenly expanded SEPARATOR but not STRING. +m4_define([lt_append], +[m4_define([$1], + m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])]) + + + +# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...]) +# ---------------------------------------------------------- +# Produce a SEP delimited list of all paired combinations of elements of +# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list +# has the form PREFIXmINFIXSUFFIXn. +# Needed until we can rely on m4_combine added in Autoconf 2.62. +m4_define([lt_combine], +[m4_if(m4_eval([$# > 3]), [1], + [m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl +[[m4_foreach([_Lt_prefix], [$2], + [m4_foreach([_Lt_suffix], + ]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[, + [_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])]) + + +# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ]) +# ----------------------------------------------------------------------- +# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited +# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ. +m4_define([lt_if_append_uniq], +[m4_ifdef([$1], + [m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1], + [lt_append([$1], [$2], [$3])$4], + [$5])], + [lt_append([$1], [$2], [$3])$4])]) + + +# lt_dict_add(DICT, KEY, VALUE) +# ----------------------------- +m4_define([lt_dict_add], +[m4_define([$1($2)], [$3])]) + + +# lt_dict_add_subkey(DICT, KEY, SUBKEY, VALUE) +# -------------------------------------------- +m4_define([lt_dict_add_subkey], +[m4_define([$1($2:$3)], [$4])]) + + +# lt_dict_fetch(DICT, KEY, [SUBKEY]) +# ---------------------------------- +m4_define([lt_dict_fetch], +[m4_ifval([$3], + m4_ifdef([$1($2:$3)], [m4_defn([$1($2:$3)])]), + m4_ifdef([$1($2)], [m4_defn([$1($2)])]))]) + + +# lt_if_dict_fetch(DICT, KEY, [SUBKEY], VALUE, IF-TRUE, [IF-FALSE]) +# ----------------------------------------------------------------- +m4_define([lt_if_dict_fetch], +[m4_if(lt_dict_fetch([$1], [$2], [$3]), [$4], + [$5], + [$6])]) + + +# lt_dict_filter(DICT, [SUBKEY], VALUE, [SEPARATOR], KEY, [...]) +# -------------------------------------------------------------- +m4_define([lt_dict_filter], +[m4_if([$5], [], [], + [lt_join(m4_quote(m4_default([$4], [[, ]])), + lt_unquote(m4_split(m4_normalize(m4_foreach(_Lt_key, lt_car([m4_shiftn(4, $@)]), + [lt_if_dict_fetch([$1], _Lt_key, [$2], [$3], [_Lt_key ])])))))])[]dnl +]) diff --git a/m4/ltversion.m4 b/m4/ltversion.m4 new file mode 100644 index 0000000..729898e --- /dev/null +++ b/m4/ltversion.m4 @@ -0,0 +1,23 @@ +# ltversion.m4 -- version numbers -*- Autoconf -*- +# +# Copyright (C) 2004, 2011-2019 Free Software Foundation, Inc. +# Written by Scott James Remnant, 2004 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# @configure_input@ + +# serial 4223 ltversion.m4 +# This file is part of GNU Libtool + +m4_define([LT_PACKAGE_VERSION], [2.4.6]) +m4_define([LT_PACKAGE_REVISION], [2.4.6]) + +AC_DEFUN([LTVERSION_VERSION], +[macro_version='2.4.6' +macro_revision='2.4.6' +_LT_DECL(, macro_version, 0, [Which release of libtool.m4 was used?]) +_LT_DECL(, macro_revision, 0) +]) diff --git a/m4/lt~obsolete.m4 b/m4/lt~obsolete.m4 new file mode 100644 index 0000000..6c846b8 --- /dev/null +++ b/m4/lt~obsolete.m4 @@ -0,0 +1,99 @@ +# lt~obsolete.m4 -- aclocal satisfying obsolete definitions. -*-Autoconf-*- +# +# Copyright (C) 2004-2005, 2007, 2009, 2011-2019 Free Software +# Foundation, Inc. +# Written by Scott James Remnant, 2004. +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. + +# serial 5 lt~obsolete.m4 + +# These exist entirely to fool aclocal when bootstrapping libtool. +# +# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN), +# which have later been changed to m4_define as they aren't part of the +# exported API, or moved to Autoconf or Automake where they belong. +# +# The trouble is, aclocal is a bit thick. It'll see the old AC_DEFUN +# in /usr/share/aclocal/libtool.m4 and remember it, then when it sees us +# using a macro with the same name in our local m4/libtool.m4 it'll +# pull the old libtool.m4 in (it doesn't see our shiny new m4_define +# and doesn't know about Autoconf macros at all.) +# +# So we provide this file, which has a silly filename so it's always +# included after everything else. This provides aclocal with the +# AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything +# because those macros already exist, or will be overwritten later. +# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6. +# +# Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here. +# Yes, that means every name once taken will need to remain here until +# we give up compatibility with versions before 1.7, at which point +# we need to keep only those names which we still refer to. + +# This is to help aclocal find these macros, as it can't see m4_define. +AC_DEFUN([LTOBSOLETE_VERSION], [m4_if([1])]) + +m4_ifndef([AC_LIBTOOL_LINKER_OPTION], [AC_DEFUN([AC_LIBTOOL_LINKER_OPTION])]) +m4_ifndef([AC_PROG_EGREP], [AC_DEFUN([AC_PROG_EGREP])]) +m4_ifndef([_LT_AC_PROG_ECHO_BACKSLASH], [AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH])]) +m4_ifndef([_LT_AC_SHELL_INIT], [AC_DEFUN([_LT_AC_SHELL_INIT])]) +m4_ifndef([_LT_AC_SYS_LIBPATH_AIX], [AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX])]) 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[AC_DEFUN([_LT_PROG_F77])]) +m4_ifndef([_LT_PROG_FC], [AC_DEFUN([_LT_PROG_FC])]) +m4_ifndef([_LT_PROG_CXX], [AC_DEFUN([_LT_PROG_CXX])]) diff --git a/m4/nls.m4 b/m4/nls.m4 new file mode 100644 index 0000000..8f8a147 --- /dev/null +++ b/m4/nls.m4 @@ -0,0 +1,32 @@ +# nls.m4 serial 5 (gettext-0.18) +dnl Copyright (C) 1995-2003, 2005-2006, 2008-2013 Free Software Foundation, +dnl Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. +dnl +dnl This file can can be used in projects which are not available under +dnl the GNU General Public License or the GNU Library General Public +dnl License but which still want to provide support for the GNU gettext +dnl functionality. +dnl Please note that the actual code of the GNU gettext library is covered +dnl by the GNU Library General Public License, and the rest of the GNU +dnl gettext package package is covered by the GNU General Public License. +dnl They are *not* in the public domain. + +dnl Authors: +dnl Ulrich Drepper , 1995-2000. +dnl Bruno Haible , 2000-2003. + +AC_PREREQ([2.50]) + +AC_DEFUN([AM_NLS], +[ + AC_MSG_CHECKING([whether NLS is requested]) + dnl Default is enabled NLS + AC_ARG_ENABLE([nls], + [ --disable-nls do not use Native Language Support], + USE_NLS=$enableval, USE_NLS=yes) + AC_MSG_RESULT([$USE_NLS]) + AC_SUBST([USE_NLS]) +]) diff --git a/m4/po.m4 b/m4/po.m4 new file mode 100644 index 0000000..1c70b6c --- /dev/null +++ b/m4/po.m4 @@ -0,0 +1,453 @@ +# po.m4 serial 21 (gettext-0.18.3) +dnl Copyright (C) 1995-2013 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. +dnl +dnl This file can can be used in projects which are not available under +dnl the GNU General Public License or the GNU Library General Public +dnl License but which still want to provide support for the GNU gettext +dnl functionality. +dnl Please note that the actual code of the GNU gettext library is covered +dnl by the GNU Library General Public License, and the rest of the GNU +dnl gettext package package is covered by the GNU General Public License. +dnl They are *not* in the public domain. + +dnl Authors: +dnl Ulrich Drepper , 1995-2000. +dnl Bruno Haible , 2000-2003. + +AC_PREREQ([2.60]) + +dnl Checks for all prerequisites of the po subdirectory. +AC_DEFUN([AM_PO_SUBDIRS], +[ + AC_REQUIRE([AC_PROG_MAKE_SET])dnl + AC_REQUIRE([AC_PROG_INSTALL])dnl + AC_REQUIRE([AC_PROG_MKDIR_P])dnl + AC_REQUIRE([AC_PROG_SED])dnl + AC_REQUIRE([AM_NLS])dnl + + dnl Release version of the gettext macros. This is used to ensure that + dnl the gettext macros and po/Makefile.in.in are in sync. + AC_SUBST([GETTEXT_MACRO_VERSION], [0.18]) + + dnl Perform the following tests also if --disable-nls has been given, + dnl because they are needed for "make dist" to work. + + dnl Search for GNU msgfmt in the PATH. + dnl The first test excludes Solaris msgfmt and early GNU msgfmt versions. + dnl The second test excludes FreeBSD msgfmt. + AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt, + [$ac_dir/$ac_word --statistics /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1 && + (if $ac_dir/$ac_word --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)], + :) + AC_PATH_PROG([GMSGFMT], [gmsgfmt], [$MSGFMT]) + + dnl Test whether it is GNU msgfmt >= 0.15. +changequote(,)dnl + case `$MSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in + '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) MSGFMT_015=: ;; + *) MSGFMT_015=$MSGFMT ;; + esac +changequote([,])dnl + AC_SUBST([MSGFMT_015]) +changequote(,)dnl + case `$GMSGFMT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in + '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) GMSGFMT_015=: ;; + *) GMSGFMT_015=$GMSGFMT ;; + esac +changequote([,])dnl + AC_SUBST([GMSGFMT_015]) + + dnl Search for GNU xgettext 0.12 or newer in the PATH. + dnl The first test excludes Solaris xgettext and early GNU xgettext versions. + dnl The second test excludes FreeBSD xgettext. + AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext, + [$ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1 && + (if $ac_dir/$ac_word --omit-header --copyright-holder= --msgid-bugs-address= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)], + :) + dnl Remove leftover from FreeBSD xgettext call. + rm -f messages.po + + dnl Test whether it is GNU xgettext >= 0.15. +changequote(,)dnl + case `$XGETTEXT --version | sed 1q | sed -e 's,^[^0-9]*,,'` in + '' | 0.[0-9] | 0.[0-9].* | 0.1[0-4] | 0.1[0-4].*) XGETTEXT_015=: ;; + *) XGETTEXT_015=$XGETTEXT ;; + esac +changequote([,])dnl + AC_SUBST([XGETTEXT_015]) + + dnl Search for GNU msgmerge 0.11 or newer in the PATH. + AM_PATH_PROG_WITH_TEST(MSGMERGE, msgmerge, + [$ac_dir/$ac_word --update -q /dev/null /dev/null >&]AS_MESSAGE_LOG_FD[ 2>&1], :) + + dnl Installation directories. + dnl Autoconf >= 2.60 defines localedir. For older versions of autoconf, we + dnl have to define it here, so that it can be used in po/Makefile. + test -n "$localedir" || localedir='${datadir}/locale' + AC_SUBST([localedir]) + + dnl Support for AM_XGETTEXT_OPTION. + test -n "${XGETTEXT_EXTRA_OPTIONS+set}" || XGETTEXT_EXTRA_OPTIONS= + AC_SUBST([XGETTEXT_EXTRA_OPTIONS]) + + AC_CONFIG_COMMANDS([po-directories], [[ + for ac_file in $CONFIG_FILES; do + # Support "outfile[:infile[:infile...]]" + case "$ac_file" in + *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;; + esac + # PO directories have a Makefile.in generated from Makefile.in.in. + case "$ac_file" in */Makefile.in) + # Adjust a relative srcdir. + ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'` + ac_dir_suffix=/`echo "$ac_dir"|sed 's%^\./%%'` + ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'` + # In autoconf-2.13 it is called $ac_given_srcdir. + # In autoconf-2.50 it is called $srcdir. + test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir" + case "$ac_given_srcdir" in + .) top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;; + /*) top_srcdir="$ac_given_srcdir" ;; + *) top_srcdir="$ac_dots$ac_given_srcdir" ;; + esac + # Treat a directory as a PO directory if and only if it has a + # POTFILES.in file. This allows packages to have multiple PO + # directories under different names or in different locations. + if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then + rm -f "$ac_dir/POTFILES" + test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES" + gt_tab=`printf '\t'` + cat "$ac_given_srcdir/$ac_dir/POTFILES.in" | sed -e "/^#/d" -e "/^[ ${gt_tab}]*\$/d" -e "s,.*, $top_srcdir/& \\\\," | sed -e "\$s/\(.*\) \\\\/\1/" > "$ac_dir/POTFILES" + POMAKEFILEDEPS="POTFILES.in" + # ALL_LINGUAS, POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES depend + # on $ac_dir but don't depend on user-specified configuration + # parameters. + if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then + # The LINGUAS file contains the set of available languages. + if test -n "$OBSOLETE_ALL_LINGUAS"; then + test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete" + fi + ALL_LINGUAS_=`sed -e "/^#/d" -e "s/#.*//" "$ac_given_srcdir/$ac_dir/LINGUAS"` + # Hide the ALL_LINGUAS assignment from automake < 1.5. + eval 'ALL_LINGUAS''=$ALL_LINGUAS_' + POMAKEFILEDEPS="$POMAKEFILEDEPS LINGUAS" + else + # The set of available languages was given in configure.in. + # Hide the ALL_LINGUAS assignment from automake < 1.5. + eval 'ALL_LINGUAS''=$OBSOLETE_ALL_LINGUAS' + fi + # Compute POFILES + # as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).po) + # Compute UPDATEPOFILES + # as $(foreach lang, $(ALL_LINGUAS), $(lang).po-update) + # Compute DUMMYPOFILES + # as $(foreach lang, $(ALL_LINGUAS), $(lang).nop) + # Compute GMOFILES + # as $(foreach lang, $(ALL_LINGUAS), $(srcdir)/$(lang).gmo) + case "$ac_given_srcdir" in + .) srcdirpre= ;; + *) srcdirpre='$(srcdir)/' ;; + esac + POFILES= + UPDATEPOFILES= + DUMMYPOFILES= + GMOFILES= + for lang in $ALL_LINGUAS; do + POFILES="$POFILES $srcdirpre$lang.po" + UPDATEPOFILES="$UPDATEPOFILES $lang.po-update" + DUMMYPOFILES="$DUMMYPOFILES $lang.nop" + GMOFILES="$GMOFILES $srcdirpre$lang.gmo" + done + # CATALOGS depends on both $ac_dir and the user's LINGUAS + # environment variable. + INST_LINGUAS= + if test -n "$ALL_LINGUAS"; then + for presentlang in $ALL_LINGUAS; do + useit=no + if test "%UNSET%" != "$LINGUAS"; then + desiredlanguages="$LINGUAS" + else + desiredlanguages="$ALL_LINGUAS" + fi + for desiredlang in $desiredlanguages; do + # Use the presentlang catalog if desiredlang is + # a. equal to presentlang, or + # b. a variant of presentlang (because in this case, + # presentlang can be used as a fallback for messages + # which are not translated in the desiredlang catalog). + case "$desiredlang" in + "$presentlang"*) useit=yes;; + esac + done + if test $useit = yes; then + INST_LINGUAS="$INST_LINGUAS $presentlang" + fi + done + fi + CATALOGS= + if test -n "$INST_LINGUAS"; then + for lang in $INST_LINGUAS; do + CATALOGS="$CATALOGS $lang.gmo" + done + fi + test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile" + sed -e "/^POTFILES =/r $ac_dir/POTFILES" -e "/^# Makevars/r $ac_given_srcdir/$ac_dir/Makevars" -e "s|@POFILES@|$POFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" -e "s|@POMAKEFILEDEPS@|$POMAKEFILEDEPS|g" "$ac_dir/Makefile.in" > "$ac_dir/Makefile" + for f in "$ac_given_srcdir/$ac_dir"/Rules-*; do + if test -f "$f"; then + case "$f" in + *.orig | *.bak | *~) ;; + *) cat "$f" >> "$ac_dir/Makefile" ;; + esac + fi + done + fi + ;; + esac + done]], + [# Capture the value of obsolete ALL_LINGUAS because we need it to compute + # POFILES, UPDATEPOFILES, DUMMYPOFILES, GMOFILES, CATALOGS. But hide it + # from automake < 1.5. + eval 'OBSOLETE_ALL_LINGUAS''="$ALL_LINGUAS"' + # Capture the value of LINGUAS because we need it to compute CATALOGS. + LINGUAS="${LINGUAS-%UNSET%}" + ]) +]) + +dnl Postprocesses a Makefile in a directory containing PO files. +AC_DEFUN([AM_POSTPROCESS_PO_MAKEFILE], +[ + # When this code is run, in config.status, two variables have already been + # set: + # - OBSOLETE_ALL_LINGUAS is the value of LINGUAS set in configure.in, + # - LINGUAS is the value of the environment variable LINGUAS at configure + # time. + +changequote(,)dnl + # Adjust a relative srcdir. + ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'` + ac_dir_suffix=/`echo "$ac_dir"|sed 's%^\./%%'` + ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'` + # In autoconf-2.13 it is called $ac_given_srcdir. + # In autoconf-2.50 it is called $srcdir. + test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir" + case "$ac_given_srcdir" in + .) top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;; + /*) top_srcdir="$ac_given_srcdir" ;; + *) top_srcdir="$ac_dots$ac_given_srcdir" ;; + esac + + # Find a way to echo strings without interpreting backslash. + if test "X`(echo '\t') 2>/dev/null`" = 'X\t'; then + gt_echo='echo' + else + if test "X`(printf '%s\n' '\t') 2>/dev/null`" = 'X\t'; then + gt_echo='printf %s\n' + else + echo_func () { + cat < "$ac_file.tmp" + tab=`printf '\t'` + if grep -l '@TCLCATALOGS@' "$ac_file" > /dev/null; then + # Add dependencies that cannot be formulated as a simple suffix rule. + for lang in $ALL_LINGUAS; do + frobbedlang=`echo $lang | sed -e 's/\..*$//' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'` + cat >> "$ac_file.tmp" < /dev/null; then + # Add dependencies that cannot be formulated as a simple suffix rule. + for lang in $ALL_LINGUAS; do + frobbedlang=`echo $lang | sed -e 's/_/-/g' -e 's/^sr-CS/sr-SP/' -e 's/@latin$/-Latn/' -e 's/@cyrillic$/-Cyrl/' -e 's/^sr-SP$/sr-SP-Latn/' -e 's/^uz-UZ$/uz-UZ-Latn/'` + cat >> "$ac_file.tmp" <> "$ac_file.tmp" <, 1996. + +AC_PREREQ([2.50]) + +# Search path for a program which passes the given test. + +dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR, +dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]]) +AC_DEFUN([AM_PATH_PROG_WITH_TEST], +[ +# Prepare PATH_SEPARATOR. +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + # Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which + # contains only /bin. Note that ksh looks also at the FPATH variable, + # so we have to set that as well for the test. + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \ + && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \ + || PATH_SEPARATOR=';' + } +fi + +# Find out how to test for executable files. 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It provides +logdaemon style login access control based on login names, host or domain +names, internet addresses or network numbers, or on terminal line names, X +$DISPLAY values, or PAM service names in case of non-networked logins. + +By default rules for access management are taken from config file /etc/security +/access.conf if you don't specify another file. Then individual *.conf files +from the /etc/security/access.d/ directory are read. The files are parsed one +after another in the order of the system locale. The effect of the individual +files is the same as if all the files were concatenated together in the order +of parsing. This means that once a pattern is matched in some file no further +files are parsed. If a config file is explicitly specified with the accessfile +option the files in the above directory are not parsed. + +If Linux PAM is compiled with audit support the module will report when it +denies access based on origin (host, tty, etc.). + +OPTIONS + +accessfile=/path/to/access.conf + + Indicate an alternative access.conf style configuration file to override + the default. This can be useful when different services need different + access lists. + +debug + + A lot of debug information is printed with syslog(3). + +noaudit + + Do not report logins from disallowed hosts and ttys to the audit subsystem. + +fieldsep=separators + + This option modifies the field separator character that pam_access will + recognize when parsing the access configuration file. For example: fieldsep + =| will cause the default `:' character to be treated as part of a field + value and `|' becomes the field separator. Doing this may be useful in + conjunction with a system that wants to use pam_access with X based + applications, since the PAM_TTY item is likely to be of the form + "hostname:0" which includes a `:' character in its value. But you should + not need this. + +listsep=separators + + This option modifies the list separator character that pam_access will + recognize when parsing the access configuration file. For example: listsep + =, will cause the default ` ' (space) and `\t' (tab) characters to be + treated as part of a list element value and `,' becomes the only list + element separator. Doing this may be useful on a system with group + information obtained from a Windows domain, where the default built-in + groups "Domain Users", "Domain Admins" contain a space. + +nodefgroup + + User tokens which are not enclosed in parentheses will not be matched + against the group database. The backwards compatible default is to try the + group database match even for tokens not enclosed in parentheses. + +EXAMPLES + +These are some example lines which might be specified in /etc/security/ +access.conf. + +User root should be allowed to get access via cron, X11 terminal :0, tty1, ..., +tty5, tty6. + ++:root:crond :0 tty1 tty2 tty3 tty4 tty5 tty6 + +User root should be allowed to get access from hosts which own the IPv4 +addresses. This does not mean that the connection have to be a IPv4 one, a IPv6 +connection from a host with one of this IPv4 addresses does work, too. + ++:root:192.168.200.1 192.168.200.4 192.168.200.9 + ++:root:127.0.0.1 + +User root should get access from network 192.168.201. where the term will be +evaluated by string matching. But it might be better to use network/netmask +instead. The same meaning of 192.168.201. is 192.168.201.0/24 or 192.168.201.0/ +255.255.255.0. + ++:root:192.168.201. + +User root should be able to have access from hosts foo1.bar.org and +foo2.bar.org (uses string matching also). + ++:root:foo1.bar.org foo2.bar.org + +User root should be able to have access from domain foo.bar.org (uses string +matching also). + ++:root:.foo.bar.org + +User root should be denied to get access from all other sources. + +-:root:ALL + +User foo and members of netgroup admins should be allowed to get access from +all sources. This will only work if netgroup service is available. + ++:@admins foo:ALL + +User john and foo should get access from IPv6 host address. + ++:john foo:2001:db8:0:101::1 + +User john should get access from IPv6 net/mask. + ++:john:2001:db8:0:101::/64 + +Members of group wheel should be allowed to get access from all sources. + ++:(wheel):ALL + +Disallow console logins to all but the shutdown, sync and all other accounts, +which are a member of the wheel group. + +-:ALL EXCEPT (wheel) shutdown sync:LOCAL + +All other users should be denied to get access from all sources. + +-:ALL:ALL + diff --git a/modules/pam_access/README.xml b/modules/pam_access/README.xml new file mode 100644 index 0000000..8c7d078 --- /dev/null +++ b/modules/pam_access/README.xml @@ -0,0 +1,39 @@ + + +--> + +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_access.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_access-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_access/access.conf b/modules/pam_access/access.conf new file mode 100644 index 0000000..47b6b84 --- /dev/null +++ b/modules/pam_access/access.conf @@ -0,0 +1,122 @@ +# Login access control table. +# +# Comment line must start with "#", no space at front. +# Order of lines is important. +# +# When someone logs in, the table is scanned for the first entry that +# matches the (user, host) combination, or, in case of non-networked +# logins, the first entry that matches the (user, tty) combination. The +# permissions field of that table entry determines whether the login will +# be accepted or refused. +# +# Format of the login access control table is three fields separated by a +# ":" character: +# +# [Note, if you supply a 'fieldsep=|' argument to the pam_access.so +# module, you can change the field separation character to be +# '|'. This is useful for configurations where you are trying to use +# pam_access with X applications that provide PAM_TTY values that are +# the display variable like "host:0".] +# +# permission:users:origins +# +# The first field should be a "+" (access granted) or "-" (access denied) +# character. +# +# The second field should be a list of one or more login names, group +# names, or ALL (always matches). A pattern of the form user@host is +# matched when the login name matches the "user" part, and when the +# "host" part matches the local machine name. +# +# The third field should be a list of one or more tty names (for +# non-networked logins), host names, domain names (begin with "."), host +# addresses, internet network numbers (end with "."), ALL (always +# matches), NONE (matches no tty on non-networked logins) or +# LOCAL (matches any string that does not contain a "." character). +# +# You can use @netgroupname in host or user patterns; this even works +# for @usergroup@@hostgroup patterns. +# +# The EXCEPT operator makes it possible to write very compact rules. +# +# The group file is searched only when a name does not match that of the +# logged-in user. Both the user's primary group is matched, as well as +# groups in which users are explicitly listed. +# To avoid problems with accounts, which have the same name as a group, +# you can use brackets around group names '(group)' to differentiate. +# In this case, you should also set the "nodefgroup" option. +# +# TTY NAMES: Must be in the form returned by ttyname(3) less the initial +# "/dev" (e.g. tty1 or vc/1) +# +############################################################################## +# +# Disallow non-root logins on tty1 +# +#-:ALL EXCEPT root:tty1 +# +# Disallow console logins to all but a few accounts. +# +#-:ALL EXCEPT wheel shutdown sync:LOCAL +# +# Same, but make sure that really the group wheel and not the user +# wheel is used (use nodefgroup argument, too): +# +#-:ALL EXCEPT (wheel) shutdown sync:LOCAL +# +# Disallow non-local logins to privileged accounts (group wheel). +# +#-:wheel:ALL EXCEPT LOCAL .win.tue.nl +# +# Some accounts are not allowed to login from anywhere: +# +#-:wsbscaro wsbsecr wsbspac wsbsym wscosor wstaiwde:ALL +# +# All other accounts are allowed to login from anywhere. +# +############################################################################## +# All lines from here up to the end are building a more complex example. +############################################################################## +# +# User "root" should be allowed to get access via cron .. tty5 tty6. +#+:root:cron crond :0 tty1 tty2 tty3 tty4 tty5 tty6 +# +# User "root" should be allowed to get access from hosts with ip addresses. +#+:root:192.168.200.1 192.168.200.4 192.168.200.9 +#+:root:127.0.0.1 +# +# User "root" should get access from network 192.168.201. +# This term will be evaluated by string matching. +# comment: It might be better to use network/netmask instead. +# The same is 192.168.201.0/24 or 192.168.201.0/255.255.255.0 +#+:root:192.168.201. +# +# User "root" should be able to have access from domain. +# Uses string matching also. +#+:root:.foo.bar.org +# +# User "root" should be denied to get access from all other sources. +#-:root:ALL +# +# User "foo" and members of netgroup "nis_group" should be +# allowed to get access from all sources. +# This will only work if netgroup service is available. +#+:@nis_group foo:ALL +# +# User "john" should get access from ipv4 net/mask +#+:john:127.0.0.0/24 +# +# User "john" should get access from ipv4 as ipv6 net/mask +#+:john:::ffff:127.0.0.0/127 +# +# User "john" should get access from ipv6 host address +#+:john:2001:4ca0:0:101::1 +# +# User "john" should get access from ipv6 host address (same as above) +#+:john:2001:4ca0:0:101:0:0:0:1 +# +# User "john" should get access from ipv6 net/mask +#+:john:2001:4ca0:0:101::/64 +# +# All other users should be denied to get access from all sources. +#-:ALL:ALL diff --git a/modules/pam_access/access.conf.5 b/modules/pam_access/access.conf.5 new file mode 100644 index 0000000..3204aed --- /dev/null +++ b/modules/pam_access/access.conf.5 @@ -0,0 +1,222 @@ +'\" t +.\" Title: access.conf +.\" Author: [see the "AUTHORS" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "ACCESS\&.CONF" "5" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +access.conf \- the login access control table file +.SH "DESCRIPTION" +.PP +The +/etc/security/access\&.conf +file specifies (\fIuser/group\fR, +\fIhost\fR), (\fIuser/group\fR, +\fInetwork/netmask\fR), (\fIuser/group\fR, +\fItty\fR), (\fIuser/group\fR, +\fIX\-$DISPLAY\-value\fR), or (\fIuser/group\fR, +\fIpam\-service\-name\fR) combinations for which a login will be either accepted or refused\&. +.PP +When someone logs in, the file +access\&.conf +is scanned for the first entry that matches the (\fIuser/group\fR, +\fIhost\fR) or (\fIuser/group\fR, +\fInetwork/netmask\fR) combination, or, in case of non\-networked logins, the first entry that matches the (\fIuser/group\fR, +\fItty\fR) combination, or in the case of non\-networked logins without a tty, the first entry that matches the (\fIuser/group\fR, +\fIX\-$DISPLAY\-value\fR) or (\fIuser/group\fR, +\fIpam\-service\-name/\fR) combination\&. The permissions field of that table entry determines whether the login will be accepted or refused\&. +.PP +Each line of the login access control table has three fields separated by a ":" character (colon): +.PP +\fIpermission\fR:\fIusers/groups\fR:\fIorigins\fR +.PP +The first field, the +\fIpermission\fR +field, can be either a "\fI+\fR" character (plus) for access granted or a "\fI\-\fR" character (minus) for access denied\&. +.PP +The second field, the +\fIusers\fR/\fIgroup\fR +field, should be a list of one or more login names, group names, or +\fIALL\fR +(which always matches)\&. To differentiate user entries from group entries, group entries should be written with brackets, e\&.g\&. +\fI(group)\fR\&. +.PP +The third field, the +\fIorigins\fR +field, should be a list of one or more tty names (for non\-networked logins), X +\fI$DISPLAY\fR +values or PAM service names (for non\-networked logins without a tty), host names, domain names (begin with "\&."), host addresses, internet network numbers (end with "\&."), internet network addresses with network mask (where network mask can be a decimal number or an internet address also), +\fIALL\fR +(which always matches) or +\fILOCAL\fR\&. The +\fILOCAL\fR +keyword matches if and only if +\fBpam_get_item\fR(3), when called with an +\fIitem_type\fR +of +\fIPAM_RHOST\fR, returns +NULL +or an empty string (and therefore the +\fIorigins\fR +field is compared against the return value of +\fBpam_get_item\fR(3) +called with an +\fIitem_type\fR +of +\fIPAM_TTY\fR +or, absent that, +\fIPAM_SERVICE\fR)\&. +.PP +If supported by the system you can use +\fI@netgroupname\fR +in host or user patterns\&. The +\fI@@netgroupname\fR +syntax is supported in the user pattern only and it makes the local system hostname to be passed to the netgroup match call in addition to the user name\&. This might not work correctly on some libc implementations causing the match to always fail\&. +.PP +The +\fIEXCEPT\fR +operator makes it possible to write very compact rules\&. +.PP +If the +\fBnodefgroup\fR +is not set, the group file is searched when a name does not match that of the logged\-in user\&. Only groups are matched in which users are explicitly listed\&. However the PAM module does not look at the primary group id of a user\&. +.PP +The "\fI#\fR" character at start of line (no space at front) can be used to mark this line as a comment line\&. +.SH "EXAMPLES" +.PP +These are some example lines which might be specified in +/etc/security/access\&.conf\&. +.PP +User +\fIroot\fR +should be allowed to get access via +\fIcron\fR, X11 terminal +\fI:0\fR, +\fItty1\fR, \&.\&.\&., +\fItty5\fR, +\fItty6\fR\&. +.PP ++:root:crond :0 tty1 tty2 tty3 tty4 tty5 tty6 +.PP +User +\fIroot\fR +should be allowed to get access from hosts which own the IPv4 addresses\&. This does not mean that the connection have to be a IPv4 one, a IPv6 connection from a host with one of this IPv4 addresses does work, too\&. +.PP ++:root:192\&.168\&.200\&.1 192\&.168\&.200\&.4 192\&.168\&.200\&.9 +.PP ++:root:127\&.0\&.0\&.1 +.PP +User +\fIroot\fR +should get access from network +192\&.168\&.201\&. +where the term will be evaluated by string matching\&. But it might be better to use network/netmask instead\&. The same meaning of +192\&.168\&.201\&. +is +\fI192\&.168\&.201\&.0/24\fR +or +\fI192\&.168\&.201\&.0/255\&.255\&.255\&.0\fR\&. +.PP ++:root:192\&.168\&.201\&. +.PP +User +\fIroot\fR +should be able to have access from hosts +\fIfoo1\&.bar\&.org\fR +and +\fIfoo2\&.bar\&.org\fR +(uses string matching also)\&. +.PP ++:root:foo1\&.bar\&.org foo2\&.bar\&.org +.PP +User +\fIroot\fR +should be able to have access from domain +\fIfoo\&.bar\&.org\fR +(uses string matching also)\&. +.PP ++:root:\&.foo\&.bar\&.org +.PP +User +\fIroot\fR +should be denied to get access from all other sources\&. +.PP +\-:root:ALL +.PP +User +\fIfoo\fR +and members of netgroup +\fIadmins\fR +should be allowed to get access from all sources\&. This will only work if netgroup service is available\&. +.PP ++:@admins foo:ALL +.PP +User +\fIjohn\fR +and +\fIfoo\fR +should get access from IPv6 host address\&. +.PP ++:john foo:2001:db8:0:101::1 +.PP +User +\fIjohn\fR +should get access from IPv6 net/mask\&. +.PP ++:john:2001:db8:0:101::/64 +.PP +Members of group +\fIwheel\fR +should be allowed to get access from all sources\&. +.PP ++:(wheel):ALL +.PP +Disallow console logins to all but the shutdown, sync and all other accounts, which are a member of the wheel group\&. +.PP +\-:ALL EXCEPT (wheel) shutdown sync:LOCAL +.PP +All other users should be denied to get access from all sources\&. +.PP +\-:ALL:ALL +.SH "NOTES" +.PP +The default separators of list items in a field are space, \*(Aq,\*(Aq, and tabulator characters\&. Thus conveniently if spaces are put at the beginning and the end of the fields they are ignored\&. However if the list separator is changed with the +\fIlistsep\fR +option, the spaces will become part of the actual item and the line will be most probably ignored\&. For this reason, it is not recommended to put spaces around the \*(Aq:\*(Aq characters\&. +.SH "SEE ALSO" +.PP +\fBpam_access\fR(8), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHORS" +.PP +Original +\fBlogin.access\fR(5) +manual was provided by Guido van Rooij which was renamed to +\fBaccess.conf\fR(5) +to reflect relation to default config file\&. +.PP +Network address / netmask description and example text was introduced by Mike Becher \&. diff --git a/modules/pam_access/access.conf.5.xml b/modules/pam_access/access.conf.5.xml new file mode 100644 index 0000000..8fdbc31 --- /dev/null +++ b/modules/pam_access/access.conf.5.xml @@ -0,0 +1,253 @@ + + + + + + + access.conf + 5 + Linux-PAM Manual + + + + access.conf + the login access control table file + + + + + DESCRIPTION + + The /etc/security/access.conf file specifies + (user/group, host), + (user/group, network/netmask), + (user/group, tty), + (user/group, + X-$DISPLAY-value), or + (user/group, + pam-service-name) + combinations for which a login will be either accepted or refused. + + + When someone logs in, the file access.conf is + scanned for the first entry that matches the + (user/group, host) or + (user/group, network/netmask) + combination, or, in case of non-networked logins, the first entry + that matches the + (user/group, tty) + combination, or in the case of non-networked logins without a + tty, the first entry that matches the + (user/group, + X-$DISPLAY-value) or + (user/group, + pam-service-name/) + combination. The permissions field of that table entry + determines + whether the login will be accepted or refused. + + + + Each line of the login access control table has three fields separated + by a ":" character (colon): + + + + permission:users/groups:origins + + + + + The first field, the permission field, can be either a + "+" character (plus) for access granted or a + "-" character (minus) for access denied. + + + + The second field, the + users/group + field, should be a list of one or more login names, group names, or + ALL (which always matches). To differentiate + user entries from group entries, group entries should be written + with brackets, e.g. (group). + + + + The third field, the origins + field, should be a list of one or more tty names (for non-networked + logins), X $DISPLAY values or PAM service + names (for non-networked logins without a tty), host names, + domain names (begin with "."), host addresses, + internet network numbers (end with "."), internet network addresses + with network mask (where network mask can be a decimal number or an + internet address also), ALL (which always matches) + or LOCAL. The LOCAL + keyword matches if and only if + pam_get_item3, + when called with an item_type of + PAM_RHOST, returns NULL or an + empty string (and therefore the + origins field is compared against the + return value of + pam_get_item3 + called with an item_type of + PAM_TTY or, absent that, + PAM_SERVICE). + + + + If supported by the system you can use + @netgroupname in host or user patterns. The + @@netgroupname syntax is supported in the user + pattern only and it makes the local system hostname to be passed + to the netgroup match call in addition to the user name. This might not + work correctly on some libc implementations causing the match to + always fail. + + + + The EXCEPT operator makes it possible to + write very compact rules. + + + + If the is not set, the group file + is searched when a name does not match that of the logged-in + user. Only groups are matched in which users are explicitly listed. + However the PAM module does not look at the primary group id of a user. + + + + + The "#" character at start of line (no space + at front) can be used to mark this line as a comment line. + + + + + + EXAMPLES + + These are some example lines which might be specified in + /etc/security/access.conf. + + + + User root should be allowed to get access via + cron, X11 terminal :0, + tty1, ..., tty5, + tty6. + + +:root:crond :0 tty1 tty2 tty3 tty4 tty5 tty6 + + + User root should be allowed to get access from + hosts which own the IPv4 addresses. This does not mean that the + connection have to be a IPv4 one, a IPv6 connection from a host with + one of this IPv4 addresses does work, too. + + +:root:192.168.200.1 192.168.200.4 192.168.200.9 + +:root:127.0.0.1 + + + User root should get access from network + 192.168.201. where the term will be evaluated by + string matching. But it might be better to use network/netmask instead. + The same meaning of 192.168.201. is + 192.168.201.0/24 or + 192.168.201.0/255.255.255.0. + + +:root:192.168.201. + + + User root should be able to have access from hosts + foo1.bar.org and foo2.bar.org + (uses string matching also). + + +:root:foo1.bar.org foo2.bar.org + + + User root should be able to have access from + domain foo.bar.org (uses string matching also). + + +:root:.foo.bar.org + + + User root should be denied to get access + from all other sources. + + -:root:ALL + + + User foo and members of netgroup + admins should be allowed to get access + from all sources. This will only work if netgroup service is available. + + +:@admins foo:ALL + + + User john and foo + should get access from IPv6 host address. + + +:john foo:2001:db8:0:101::1 + + + User john should get access from IPv6 net/mask. + + +:john:2001:db8:0:101::/64 + + + Members of group wheel should be allowed to get access + from all sources. + + +:(wheel):ALL + + + Disallow console logins to all but the shutdown, sync and all + other accounts, which are a member of the wheel group. + + -:ALL EXCEPT (wheel) shutdown sync:LOCAL + + + All other users should be denied to get access from all sources. + + -:ALL:ALL + + + + + NOTES + + The default separators of list items in a field are space, ',', and tabulator + characters. Thus conveniently if spaces are put at the beginning and the end of + the fields they are ignored. However if the list separator is changed with the + listsep option, the spaces will become part of the actual + item and the line will be most probably ignored. For this reason, it is not + recommended to put spaces around the ':' characters. + + + + + SEE ALSO + + pam_access8, + pam.d5, + pam8 + + + + + AUTHORS + + Original login.access5 + manual was provided by Guido van Rooij which was renamed to + access.conf5 + to reflect relation to default config file. + + + Network address / netmask description and example text was + introduced by Mike Becher <mike.becher@lrz-muenchen.de>. + + + diff --git a/modules/pam_access/pam_access.8 b/modules/pam_access/pam_access.8 new file mode 100644 index 0000000..92de516 --- /dev/null +++ b/modules/pam_access/pam_access.8 @@ -0,0 +1,139 @@ +'\" t +.\" Title: pam_access +.\" Author: [see the "AUTHORS" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_ACCESS" "8" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_access \- PAM module for logdaemon style login access control +.SH "SYNOPSIS" +.HP \w'\fBpam_access\&.so\fR\ 'u +\fBpam_access\&.so\fR [debug] [nodefgroup] [noaudit] [accessfile=\fIfile\fR] [fieldsep=\fIsep\fR] [listsep=\fIsep\fR] +.SH "DESCRIPTION" +.PP +The pam_access PAM module is mainly for access management\&. It provides logdaemon style login access control based on login names, host or domain names, internet addresses or network numbers, or on terminal line names, X +\fI$DISPLAY\fR +values, or PAM service names in case of non\-networked logins\&. +.PP +By default rules for access management are taken from config file +/etc/security/access\&.conf +if you don\*(Aqt specify another file\&. Then individual +*\&.conf +files from the +/etc/security/access\&.d/ +directory are read\&. The files are parsed one after another in the order of the system locale\&. The effect of the individual files is the same as if all the files were concatenated together in the order of parsing\&. This means that once a pattern is matched in some file no further files are parsed\&. If a config file is explicitly specified with the +\fBaccessfile\fR +option the files in the above directory are not parsed\&. +.PP +If Linux PAM is compiled with audit support the module will report when it denies access based on origin (host, tty, etc\&.)\&. +.SH "OPTIONS" +.PP +\fBaccessfile=\fR\fB\fI/path/to/access\&.conf\fR\fR +.RS 4 +Indicate an alternative +access\&.conf +style configuration file to override the default\&. This can be useful when different services need different access lists\&. +.RE +.PP +\fBdebug\fR +.RS 4 +A lot of debug information is printed with +\fBsyslog\fR(3)\&. +.RE +.PP +\fBnoaudit\fR +.RS 4 +Do not report logins from disallowed hosts and ttys to the audit subsystem\&. +.RE +.PP +\fBfieldsep=\fR\fB\fIseparators\fR\fR +.RS 4 +This option modifies the field separator character that pam_access will recognize when parsing the access configuration file\&. For example: +\fBfieldsep=|\fR +will cause the default `:\*(Aq character to be treated as part of a field value and `|\*(Aq becomes the field separator\&. Doing this may be useful in conjunction with a system that wants to use pam_access with X based applications, since the +\fBPAM_TTY\fR +item is likely to be of the form "hostname:0" which includes a `:\*(Aq character in its value\&. But you should not need this\&. +.RE +.PP +\fBlistsep=\fR\fB\fIseparators\fR\fR +.RS 4 +This option modifies the list separator character that pam_access will recognize when parsing the access configuration file\&. For example: +\fBlistsep=,\fR +will cause the default ` \*(Aq (space) and `\et\*(Aq (tab) characters to be treated as part of a list element value and `,\*(Aq becomes the only list element separator\&. Doing this may be useful on a system with group information obtained from a Windows domain, where the default built\-in groups "Domain Users", "Domain Admins" contain a space\&. +.RE +.PP +\fBnodefgroup\fR +.RS 4 +User tokens which are not enclosed in parentheses will not be matched against the group database\&. The backwards compatible default is to try the group database match even for tokens not enclosed in parentheses\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +All module types (\fBauth\fR, +\fBaccount\fR, +\fBpassword\fR +and +\fBsession\fR) are provided\&. +.SH "RETURN VALUES" +.PP +PAM_SUCCESS +.RS 4 +Access was granted\&. +.RE +.PP +PAM_PERM_DENIED +.RS 4 +Access was not granted\&. +.RE +.PP +PAM_IGNORE +.RS 4 +\fBpam_setcred\fR +was called which does nothing\&. +.RE +.PP +PAM_ABORT +.RS 4 +Not all relevant data or options could be gotten\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +The user is not known to the system\&. +.RE +.SH "FILES" +.PP +/etc/security/access\&.conf +.RS 4 +Default configuration file +.RE +.SH "SEE ALSO" +.PP +\fBaccess.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8)\&. +.SH "AUTHORS" +.PP +The logdaemon style login access control scheme was designed and implemented by Wietse Venema\&. The pam_access PAM module was developed by Alexei Nogin \&. The IPv6 support and the network(address) / netmask feature was developed and provided by Mike Becher \&. diff --git a/modules/pam_access/pam_access.8.xml b/modules/pam_access/pam_access.8.xml new file mode 100644 index 0000000..9a6556c --- /dev/null +++ b/modules/pam_access/pam_access.8.xml @@ -0,0 +1,265 @@ + + + + + + + pam_access + 8 + Linux-PAM Manual + + + + pam_access + + PAM module for logdaemon style login access control + + + + + + + + pam_access.so + + debug + + + nodefgroup + + + noaudit + + + accessfile=file + + + fieldsep=sep + + + listsep=sep + + + + + + + DESCRIPTION + + The pam_access PAM module is mainly for access management. + It provides logdaemon style login access control based on login + names, host or domain names, internet addresses or network numbers, + or on terminal line names, X $DISPLAY values, + or PAM service names in case of non-networked logins. + + + By default rules for access management are taken from config file + /etc/security/access.conf if you don't specify + another file. + Then individual *.conf files from the + /etc/security/access.d/ directory are read. + The files are parsed one after another in the order of the system locale. + The effect of the individual files is the same as if all the files were + concatenated together in the order of parsing. This means that once + a pattern is matched in some file no further files are parsed. + If a config file is explicitly specified with the + option the files in the above directory are not parsed. + + + If Linux PAM is compiled with audit support the module will report + when it denies access based on origin (host, tty, etc.). + + + + + OPTIONS + + + + + + + + + Indicate an alternative access.conf + style configuration file to override the default. This can + be useful when different services need different access lists. + + + + + + + + + + + A lot of debug information is printed with + syslog3. + + + + + + + + + + + Do not report logins from disallowed hosts and ttys to the audit subsystem. + + + + + + + + + + + This option modifies the field separator character that + pam_access will recognize when parsing the access + configuration file. For example: + fieldsep=| will cause the + default `:' character to be treated as part of a field value + and `|' becomes the field separator. Doing this may be + useful in conjunction with a system that wants to use + pam_access with X based applications, since the + PAM_TTY item is likely to be + of the form "hostname:0" which includes a `:' character in + its value. But you should not need this. + + + + + + + + + + + This option modifies the list separator character that + pam_access will recognize when parsing the access + configuration file. For example: + listsep=, will cause the + default ` ' (space) and `\t' (tab) characters to be treated + as part of a list element value and `,' becomes the only + list element separator. Doing this may be useful on a system + with group information obtained from a Windows domain, + where the default built-in groups "Domain Users", + "Domain Admins" contain a space. + + + + + + + + + + + User tokens which are not enclosed in parentheses will not be + matched against the group database. The backwards compatible default is + to try the group database match even for tokens not enclosed + in parentheses. + + + + + + + + + MODULE TYPES PROVIDED + + All module types (, , + and ) are provided. + + + + + RETURN VALUES + + + PAM_SUCCESS + + + Access was granted. + + + + + PAM_PERM_DENIED + + + Access was not granted. + + + + + PAM_IGNORE + + + pam_setcred was called which does nothing. + + + + + PAM_ABORT + + + Not all relevant data or options could be gotten. + + + + + PAM_USER_UNKNOWN + + + The user is not known to the system. + + + + + + + + FILES + + + /etc/security/access.conf + + Default configuration file + + + + + + + SEE ALSO + + + access.conf5 + , + + pam.d5 + , + + pam8 + . + + + + + AUTHORS + + The logdaemon style login access control scheme was designed and implemented by + Wietse Venema. + The pam_access PAM module was developed by + Alexei Nogin <alexei@nogin.dnttm.ru>. + The IPv6 support and the network(address) / netmask feature + was developed and provided by Mike Becher <mike.becher@lrz-muenchen.de>. + + + diff --git a/modules/pam_access/pam_access.c b/modules/pam_access/pam_access.c new file mode 100644 index 0000000..277192b --- /dev/null +++ b/modules/pam_access/pam_access.c @@ -0,0 +1,985 @@ +/* + * pam_access module + * + * Written by Alexei Nogin 1997/06/15 + * (I took login_access from logdaemon-5.6 and converted it to PAM + * using parts of pam_time code.) + * + ************************************************************************ + * Copyright message from logdaemon-5.6 (original file name DISCLAIMER) + ************************************************************************ + * Copyright 1995 by Wietse Venema. All rights reserved. Individual files + * may be covered by other copyrights (as noted in the file itself.) + * + * This material was originally written and compiled by Wietse Venema at + * Eindhoven University of Technology, The Netherlands, in 1990, 1991, + * 1992, 1993, 1994 and 1995. + * + * Redistribution and use in source and binary forms are permitted + * provided that this entire copyright notice is duplicated in all such + * copies. + * + * This software is provided "as is" and without any expressed or implied + * warranties, including, without limitation, the implied warranties of + * merchantability and fitness for any particular purpose. + ************************************************************************* + */ + +#include "config.h" + +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef HAVE_LIBAUDIT +#include +#endif + +#include +#include +#include +#include +#include "pam_cc_compat.h" +#include "pam_inline.h" + +/* login_access.c from logdaemon-5.6 with several changes by A.Nogin: */ + + /* + * This module implements a simple but effective form of login access + * control based on login names and on host (or domain) names, internet + * addresses (or network numbers), or on terminal line names in case of + * non-networked logins. Diagnostics are reported through syslog(3). + * + * Author: Wietse Venema, Eindhoven University of Technology, The Netherlands. + */ + +#if !defined(MAXHOSTNAMELEN) || (MAXHOSTNAMELEN < 64) +#undef MAXHOSTNAMELEN +#define MAXHOSTNAMELEN 256 +#endif + + /* Delimiters for fields and for lists of users, ttys or hosts. */ + + +#define ALL 2 +#define YES 1 +#define NO 0 +#define NOMATCH -1 + + /* + * A structure to bundle up all login-related information to keep the + * functional interfaces as generic as possible. + */ +struct login_info { + const struct passwd *user; + const char *from; + const char *config_file; + const char *hostname; + int debug; /* Print debugging messages. */ + int only_new_group_syntax; /* Only allow group entries of the form "(xyz)" */ + int noaudit; /* Do not audit denials */ + const char *fs; /* field separator */ + const char *sep; /* list-element separator */ + int from_remote_host; /* If PAM_RHOST was used for from */ + struct addrinfo *res; /* Cached DNS resolution of from */ + int gai_rv; /* Cached retval of getaddrinfo */ +}; + +/* Parse module config arguments */ + +static int +parse_args(pam_handle_t *pamh, struct login_info *loginfo, + int argc, const char **argv) +{ + int i; + + loginfo->noaudit = NO; + loginfo->debug = NO; + loginfo->only_new_group_syntax = NO; + loginfo->fs = ":"; + loginfo->sep = ", \t"; + for (i=0; iconfig_file = str; + fclose(fp); + } else { + pam_syslog(pamh, LOG_ERR, + "failed to open accessfile=[%s]: %m", str); + return 0; + } + + } else if (strcmp (argv[i], "debug") == 0) { + loginfo->debug = YES; + } else if (strcmp (argv[i], "nodefgroup") == 0) { + loginfo->only_new_group_syntax = YES; + } else if (strcmp (argv[i], "noaudit") == 0) { + loginfo->noaudit = YES; + } else { + pam_syslog(pamh, LOG_ERR, "unrecognized option [%s]", argv[i]); + } + } + + return 1; /* OK */ +} + +/* --- static functions for checking whether the user should be let in --- */ + +typedef int match_func (pam_handle_t *, char *, struct login_info *); + +static int list_match (pam_handle_t *, char *, char *, struct login_info *, + match_func *); +static int user_match (pam_handle_t *, char *, struct login_info *); +static int group_match (pam_handle_t *, const char *, const char *, int); +static int from_match (pam_handle_t *, char *, struct login_info *); +static int remote_match (pam_handle_t *, char *, struct login_info *); +static int string_match (pam_handle_t *, const char *, const char *, int); +static int network_netmask_match (pam_handle_t *, const char *, const char *, struct login_info *); + + +/* isipaddr - find out if string provided is an IP address or not */ + +static int +isipaddr (const char *string, int *addr_type, + struct sockaddr_storage *addr) +{ + struct sockaddr_storage local_addr; + int is_ip; + + /* We use struct sockaddr_storage addr because + * struct in_addr/in6_addr is an integral part + * of struct sockaddr and we doesn't want to + * use its value. + */ + + if (addr == NULL) + addr = &local_addr; + + memset(addr, 0, sizeof(struct sockaddr_storage)); + + /* first ipv4 */ + if (inet_pton(AF_INET, string, addr) > 0) + { + if (addr_type != NULL) + *addr_type = AF_INET; + + is_ip = YES; + } + else if (inet_pton(AF_INET6, string, addr) > 0) + { /* then ipv6 */ + if (addr_type != NULL) { + *addr_type = AF_INET6; + } + is_ip = YES; + } + else + is_ip = NO; + + return is_ip; +} + + +/* are_addresses_equal - translate IP address strings to real IP + * addresses and compare them to find out if they are equal. + * If netmask was provided it will be used to focus comparison to + * relevant bits. + */ +static int +are_addresses_equal (const char *ipaddr0, const char *ipaddr1, + const char *netmask) +{ + struct sockaddr_storage addr0; + struct sockaddr_storage addr1; + int addr_type0 = 0; + int addr_type1 = 0; + + if (isipaddr (ipaddr0, &addr_type0, &addr0) == NO) + return NO; + + if (isipaddr (ipaddr1, &addr_type1, &addr1) == NO) + return NO; + + if (addr_type0 != addr_type1) + /* different address types */ + return NO; + + if (netmask != NULL) { + /* Got a netmask, so normalize addresses? */ + struct sockaddr_storage nmask; + unsigned char *byte_a, *byte_nm; + + memset(&nmask, 0, sizeof(struct sockaddr_storage)); + if (inet_pton(addr_type0, netmask, (void *)&nmask) > 0) { + unsigned int i; + byte_a = (unsigned char *)(&addr0); + byte_nm = (unsigned char *)(&nmask); + for (i=0; i= 8) { + byte_nm[i] = 0xff; + netmask -= 8; + } else + if (netmask > 0) { + byte_nm[i] = 0xff << (8 - netmask); + break; + } else + if (netmask <= 0) { + break; + } + } + + /* now generate netmask address string */ + ipaddr_dst = inet_ntop(addr_type, &nmask, ipaddr_buf, ipaddr_buf_len); + if (ipaddr_dst == ipaddr_buf) { + return (ipaddr_buf); + } + + return (NULL); +} + +/* login_access - match username/group and host/tty with access control file */ + +static int +login_access (pam_handle_t *pamh, struct login_info *item) +{ + FILE *fp; + char line[BUFSIZ]; + char *perm; /* becomes permission field */ + char *users; /* becomes list of login names */ + char *froms; /* becomes list of terminals or hosts */ + int match = NO; +#ifdef HAVE_LIBAUDIT + int nonall_match = NO; +#endif + int end; + int lineno = 0; /* for diagnostics */ + char *sptr; + + if (item->debug) + pam_syslog (pamh, LOG_DEBUG, + "login_access: user=%s, from=%s, file=%s", + item->user->pw_name, + item->from, item->config_file); + + /* + * Process the table one line at a time and stop at the first match. + * Blank lines and lines that begin with a '#' character are ignored. + * Non-comment lines are broken at the ':' character. All fields are + * mandatory. The first field should be a "+" or "-" character. A + * non-existing table means no access control. + */ + + if ((fp = fopen(item->config_file, "r"))!=NULL) { + while (!match && fgets(line, sizeof(line), fp)) { + lineno++; + if (line[end = strlen(line) - 1] != '\n') { + pam_syslog(pamh, LOG_ERR, + "%s: line %d: missing newline or line too long", + item->config_file, lineno); + continue; + } + if (line[0] == '#') + continue; /* comment line */ + while (end > 0 && isspace(line[end - 1])) + end--; + line[end] = 0; /* strip trailing whitespace */ + if (line[0] == 0) /* skip blank lines */ + continue; + + /* Allow field separator in last field of froms */ + if (!(perm = strtok_r(line, item->fs, &sptr)) + || !(users = strtok_r(NULL, item->fs, &sptr)) + || !(froms = strtok_r(NULL, "\n", &sptr))) { + pam_syslog(pamh, LOG_ERR, "%s: line %d: bad field count", + item->config_file, lineno); + continue; + } + if (perm[0] != '+' && perm[0] != '-') { + pam_syslog(pamh, LOG_ERR, "%s: line %d: bad first field", + item->config_file, lineno); + continue; + } + if (item->debug) + pam_syslog (pamh, LOG_DEBUG, + "line %d: %s : %s : %s", lineno, perm, users, froms); + match = list_match(pamh, users, NULL, item, user_match); + if (item->debug) + pam_syslog (pamh, LOG_DEBUG, "user_match=%d, \"%s\"", + match, item->user->pw_name); + if (match) { + match = list_match(pamh, froms, NULL, item, from_match); +#ifdef HAVE_LIBAUDIT + if (!match && perm[0] == '+') { + nonall_match = YES; + } +#endif + if (item->debug) + pam_syslog (pamh, LOG_DEBUG, + "from_match=%d, \"%s\"", match, item->from); + } + } + (void) fclose(fp); + } else if (errno == ENOENT) { + /* This is no error. */ + pam_syslog(pamh, LOG_WARNING, "warning: cannot open %s: %m", + item->config_file); + } else { + pam_syslog(pamh, LOG_ERR, "cannot open %s: %m", item->config_file); + return NO; + } +#ifdef HAVE_LIBAUDIT + if (!item->noaudit && (match == YES || (match == ALL && + nonall_match == YES)) && line[0] == '-') { + pam_modutil_audit_write(pamh, AUDIT_ANOM_LOGIN_LOCATION, + "pam_access", 0); + } +#endif + if (match == NO) + return NOMATCH; + if (line[0] == '+') + return YES; + return NO; +} + + +/* list_match - match an item against a list of tokens with exceptions */ + +static int +list_match(pam_handle_t *pamh, char *list, char *sptr, + struct login_info *item, match_func *match_fn) +{ + char *tok; + int match = NO; + + if (item->debug && list != NULL) + pam_syslog (pamh, LOG_DEBUG, + "list_match: list=%s, item=%s", list, item->user->pw_name); + + /* + * Process tokens one at a time. We have exhausted all possible matches + * when we reach an "EXCEPT" token or the end of the list. If we do find + * a match, look for an "EXCEPT" list and recurse to determine whether + * the match is affected by any exceptions. + */ + + for (tok = strtok_r(list, item->sep, &sptr); tok != 0; + tok = strtok_r(NULL, item->sep, &sptr)) { + if (strcasecmp(tok, "EXCEPT") == 0) /* EXCEPT: give up */ + break; + if ((match = (*match_fn) (pamh, tok, item))) /* YES */ + break; + } + /* Process exceptions to matches. */ + + if (match != NO) { + while ((tok = strtok_r(NULL, item->sep, &sptr)) && strcasecmp(tok, "EXCEPT")) + /* VOID */ ; + if (tok == 0) + return match; + if (list_match(pamh, NULL, sptr, item, match_fn) == NO) + return YES; /* drop special meaning of ALL */ + } + return (NO); +} + +/* netgroup_match - match group against machine or user */ + +static int +netgroup_match (pam_handle_t *pamh, const char *netgroup, + const char *machine, const char *user, int debug) +{ + int retval; + char *mydomain = NULL; + +#ifdef HAVE_GETDOMAINNAME + char domainname_res[256]; + + if (getdomainname (domainname_res, sizeof (domainname_res)) == 0) + { + if (domainname_res[0] != '\0' && strcmp (domainname_res, "(none)") != 0) + { + mydomain = domainname_res; + } + } +#endif + +#ifdef HAVE_INNETGR + retval = innetgr (netgroup, machine, user, mydomain); +#else + retval = 0; + pam_syslog (pamh, LOG_ERR, "pam_access does not have netgroup support"); +#endif + if (debug == YES) + pam_syslog (pamh, LOG_DEBUG, + "netgroup_match: %d (netgroup=%s, machine=%s, user=%s, domain=%s)", + retval, netgroup ? netgroup : "NULL", + machine ? machine : "NULL", + user ? user : "NULL", mydomain ? mydomain : "NULL"); + return retval; +} + +/* user_match - match a username against one token */ + +static int +user_match (pam_handle_t *pamh, char *tok, struct login_info *item) +{ + char *string = item->user->pw_name; + struct login_info fake_item; + char *at; + int rv; + + if (item->debug) + pam_syslog (pamh, LOG_DEBUG, + "user_match: tok=%s, item=%s", tok, string); + + /* + * If a token has the magic value "ALL" the match always succeeds. + * Otherwise, return YES if the token fully matches the username, if the + * token is a group that contains the username, or if the token is the + * name of the user's primary group. + */ + + /* Try to split on a pattern (@*[^@]+)(@+.*) */ + for (at = tok; *at == '@'; ++at); + + if (tok[0] == '(' && tok[strlen(tok) - 1] == ')') { + return (group_match (pamh, tok, string, item->debug)); + } else if ((at = strchr(at, '@')) != NULL) { + /* split user@host pattern */ + if (item->hostname == NULL) + return NO; + memcpy (&fake_item, item, sizeof(fake_item)); + fake_item.from = item->hostname; + fake_item.gai_rv = 0; + fake_item.res = NULL; + fake_item.from_remote_host = 1; /* hostname should be resolvable */ + *at = 0; + if (!user_match (pamh, tok, item)) + return NO; + rv = from_match (pamh, at + 1, &fake_item); + if (fake_item.gai_rv == 0 && fake_item.res) + freeaddrinfo(fake_item.res); + return rv; + } else if (tok[0] == '@') { /* netgroup */ + const char *hostname = NULL; + if (tok[1] == '@') { /* add hostname to netgroup match */ + if (item->hostname == NULL) + return NO; + ++tok; + hostname = item->hostname; + } + return (netgroup_match (pamh, tok + 1, hostname, string, item->debug)); + } else if ((rv=string_match (pamh, tok, string, item->debug)) != NO) /* ALL or exact match */ + return rv; + else if (item->only_new_group_syntax == NO && + pam_modutil_user_in_group_nam_nam (pamh, + item->user->pw_name, tok)) + /* try group membership */ + return YES; + + return NO; +} + + +/* group_match - match a username against token named group */ + +static int +group_match (pam_handle_t *pamh, const char *tok, const char* usr, + int debug) +{ + char grptok[BUFSIZ]; + + if (debug) + pam_syslog (pamh, LOG_DEBUG, + "group_match: grp=%s, user=%s", tok, usr); + + if (strlen(tok) < 3) + return NO; + + /* token is received under the format '(...)' */ + memset(grptok, 0, BUFSIZ); + strncpy(grptok, tok + 1, strlen(tok) - 2); + + if (pam_modutil_user_in_group_nam_nam(pamh, usr, grptok)) + return YES; + + return NO; +} + + +/* from_match - match a host or tty against a list of tokens */ + +static int +from_match (pam_handle_t *pamh, char *tok, struct login_info *item) +{ + const char *string = item->from; + int rv; + + if (item->debug) + pam_syslog (pamh, LOG_DEBUG, + "from_match: tok=%s, item=%s", tok, string); + + /* + * If a token has the magic value "ALL" the match always succeeds. Return + * YES if the token fully matches the string. If the token is a domain + * name, return YES if it matches the last fields of the string. If the + * token has the magic value "LOCAL", return YES if the from field was + * not taken by PAM_RHOST. If the token is a network number, return YES + * if it matches the head of the string. + */ + + if (string == NULL) { + return NO; + } else if (tok[0] == '@') { /* netgroup */ + return (netgroup_match (pamh, tok + 1, string, (char *) 0, item->debug)); + } else if ((rv = string_match(pamh, tok, string, item->debug)) != NO) { + /* ALL or exact match */ + return rv; + } else if (strcasecmp(tok, "LOCAL") == 0) { + /* LOCAL matches only local accesses */ + if (!item->from_remote_host) + return YES; + return NO; + } else if (item->from_remote_host) { + return remote_match(pamh, tok, item); + } + return NO; +} + +static int +remote_match (pam_handle_t *pamh, char *tok, struct login_info *item) +{ + const char *string = item->from; + size_t tok_len = strlen(tok); + size_t str_len; + + if (tok[0] == '.') { /* domain: match last fields */ + if ((str_len = strlen(string)) > tok_len + && strcasecmp(tok, string + str_len - tok_len) == 0) + return YES; + } else if (tok[tok_len - 1] == '.') { + struct addrinfo hint; + + memset (&hint, '\0', sizeof (hint)); + hint.ai_flags = AI_CANONNAME; + hint.ai_family = AF_INET; + + if (item->gai_rv != 0) + return NO; + else if (!item->res && + (item->gai_rv = getaddrinfo (string, NULL, &hint, &item->res)) != 0) + return NO; + else + { + struct addrinfo *runp = item->res; + + while (runp != NULL) + { + char buf[INET_ADDRSTRLEN+2]; + + if (runp->ai_family == AF_INET) + { + DIAG_PUSH_IGNORE_CAST_ALIGN; + inet_ntop (runp->ai_family, + &((struct sockaddr_in *) runp->ai_addr)->sin_addr, + buf, sizeof (buf)); + DIAG_POP_IGNORE_CAST_ALIGN; + + strcat (buf, "."); + + if (strncmp(tok, buf, tok_len) == 0) + { + return YES; + } + } + runp = runp->ai_next; + } + } + return NO; + } + + /* Assume network/netmask with an IP of a host. */ + return network_netmask_match(pamh, tok, string, item); +} + +/* string_match - match a string against one token */ + +static int +string_match (pam_handle_t *pamh, const char *tok, const char *string, + int debug) +{ + + if (debug) + pam_syslog (pamh, LOG_DEBUG, + "string_match: tok=%s, item=%s", tok, string); + + /* + * If the token has the magic value "ALL" the match always succeeds. + * Otherwise, return YES if the token fully matches the string. + * "NONE" token matches NULL string. + */ + + if (strcasecmp(tok, "ALL") == 0) { /* all: always matches */ + return (ALL); + } else if (string != NULL) { + if (strcasecmp(tok, string) == 0) { /* try exact match */ + return (YES); + } + } else if (strcasecmp(tok, "NONE") == 0) { + return (YES); + } + return (NO); +} + + +/* network_netmask_match - match a string against one token + * where string is a hostname or ip (v4,v6) address and tok + * represents either a single ip (v4,v6) address or a network/netmask + */ +static int +network_netmask_match (pam_handle_t *pamh, + const char *tok, const char *string, struct login_info *item) +{ + char *netmask_ptr; + char netmask_string[MAXHOSTNAMELEN + 1]; + int addr_type; + + if (item->debug) + pam_syslog (pamh, LOG_DEBUG, + "network_netmask_match: tok=%s, item=%s", tok, string); + /* OK, check if tok is of type addr/mask */ + if ((netmask_ptr = strchr(tok, '/')) != NULL) + { + long netmask = 0; + + /* YES */ + *netmask_ptr = 0; + netmask_ptr++; + + if (isipaddr(tok, &addr_type, NULL) == NO) + { /* no netaddr */ + return NO; + } + + /* check netmask */ + if (isipaddr(netmask_ptr, NULL, NULL) == NO) + { /* netmask as integre value */ + char *endptr = NULL; + netmask = strtol(netmask_ptr, &endptr, 0); + if ((endptr == netmask_ptr) || (*endptr != '\0')) + { /* invalid netmask value */ + return NO; + } + if ((netmask < 0) + || (addr_type == AF_INET && netmask > 32) + || (addr_type == AF_INET6 && netmask > 128)) + { /* netmask value out of range */ + return NO; + } + + netmask_ptr = number_to_netmask(netmask, addr_type, + netmask_string, MAXHOSTNAMELEN); + } + } + else + /* NO, then check if it is only an addr */ + if (isipaddr(tok, NULL, NULL) != YES) + { + return NO; + } + + if (isipaddr(string, NULL, NULL) != YES) + { + /* Assume network/netmask with a name of a host. */ + struct addrinfo hint; + + memset (&hint, '\0', sizeof (hint)); + hint.ai_flags = AI_CANONNAME; + hint.ai_family = AF_UNSPEC; + + if (item->gai_rv != 0) + return NO; + else if (!item->res && + (item->gai_rv = getaddrinfo (string, NULL, &hint, &item->res)) != 0) + return NO; + else + { + struct addrinfo *runp = item->res; + + while (runp != NULL) + { + char buf[INET6_ADDRSTRLEN]; + + DIAG_PUSH_IGNORE_CAST_ALIGN; + inet_ntop (runp->ai_family, + runp->ai_family == AF_INET + ? (void *) &((struct sockaddr_in *) runp->ai_addr)->sin_addr + : (void *) &((struct sockaddr_in6 *) runp->ai_addr)->sin6_addr, + buf, sizeof (buf)); + DIAG_POP_IGNORE_CAST_ALIGN; + + if (are_addresses_equal(buf, tok, netmask_ptr)) + { + return YES; + } + runp = runp->ai_next; + } + } + } + else + return (are_addresses_equal(string, tok, netmask_ptr)); + + return NO; +} + + +/* --- public PAM management functions --- */ + +int +pam_sm_authenticate (pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + struct login_info loginfo; + const char *user=NULL; + const void *void_from=NULL; + const char *from; + const char *default_config = PAM_ACCESS_CONFIG; + struct passwd *user_pw; + char hostname[MAXHOSTNAMELEN + 1]; + int rv; + + + /* set username */ + + if (pam_get_user(pamh, &user, NULL) != PAM_SUCCESS) { + pam_syslog(pamh, LOG_NOTICE, "cannot determine user name"); + return PAM_USER_UNKNOWN; + } + + if ((user_pw=pam_modutil_getpwnam(pamh, user))==NULL) + return (PAM_USER_UNKNOWN); + + /* + * Bundle up the arguments to avoid unnecessary clumsiness later on. + */ + memset(&loginfo, '\0', sizeof(loginfo)); + loginfo.user = user_pw; + loginfo.config_file = default_config; + + /* parse the argument list */ + + if (!parse_args(pamh, &loginfo, argc, argv)) { + pam_syslog(pamh, LOG_ERR, "failed to parse the module arguments"); + return PAM_ABORT; + } + + /* remote host name */ + + if (pam_get_item(pamh, PAM_RHOST, &void_from) + != PAM_SUCCESS) { + pam_syslog(pamh, LOG_ERR, "cannot find the remote host name"); + return PAM_ABORT; + } + from = void_from; + + if ((from==NULL) || (*from=='\0')) { + + /* local login, set tty name */ + + loginfo.from_remote_host = 0; + + if (pam_get_item(pamh, PAM_TTY, &void_from) != PAM_SUCCESS + || void_from == NULL) { + D(("PAM_TTY not set, probing stdin")); + from = ttyname(STDIN_FILENO); + if (from != NULL) { + if (pam_set_item(pamh, PAM_TTY, from) != PAM_SUCCESS) + pam_syslog(pamh, LOG_WARNING, "couldn't set tty name"); + } else { + if (pam_get_item(pamh, PAM_SERVICE, &void_from) != PAM_SUCCESS + || void_from == NULL) { + pam_syslog (pamh, LOG_ERR, + "cannot determine remote host, tty or service name"); + return PAM_ABORT; + } + from = void_from; + if (loginfo.debug) + pam_syslog (pamh, LOG_DEBUG, + "cannot determine tty or remote hostname, using service %s", + from); + } + } + else + from = void_from; + + if (from[0] == '/') { /* full path, remove device path. */ + const char *f; + from++; + if ((f = strchr(from, '/')) != NULL) { + from = f + 1; + } + } + } + else + loginfo.from_remote_host = 1; + + loginfo.from = from; + + hostname[sizeof(hostname)-1] = '\0'; + if (gethostname(hostname, sizeof(hostname)-1) == 0) + loginfo.hostname = hostname; + else { + pam_syslog (pamh, LOG_ERR, "gethostname failed: %m"); + loginfo.hostname = NULL; + } + + rv = login_access(pamh, &loginfo); + + if (rv == NOMATCH && loginfo.config_file == default_config) { + glob_t globbuf; + int i, glob_rv; + + /* We do not manipulate locale as setlocale() is not + * thread safe. We could use uselocale() in future. + */ + glob_rv = glob(ACCESS_CONF_GLOB, GLOB_ERR, NULL, &globbuf); + if (!glob_rv) { + /* Parse the *.conf files. */ + for (i = 0; globbuf.gl_pathv[i] != NULL; i++) { + loginfo.config_file = globbuf.gl_pathv[i]; + rv = login_access(pamh, &loginfo); + if (rv != NOMATCH) + break; + } + globfree(&globbuf); + } + } + + if (loginfo.gai_rv == 0 && loginfo.res) + freeaddrinfo(loginfo.res); + + if (rv) { + return (PAM_SUCCESS); + } else { + pam_syslog(pamh, LOG_ERR, + "access denied for user `%s' from `%s'",user,from); + return (PAM_PERM_DENIED); + } +} + +int +pam_sm_setcred (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_IGNORE; +} + +int +pam_sm_acct_mgmt (pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + return pam_sm_authenticate (pamh, flags, argc, argv); +} + +int +pam_sm_open_session(pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + return pam_sm_authenticate(pamh, flags, argc, argv); +} + +int +pam_sm_close_session(pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + return pam_sm_authenticate(pamh, flags, argc, argv); +} + +int +pam_sm_chauthtok(pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + return pam_sm_authenticate(pamh, flags, argc, argv); +} + +/* end of module definition */ diff --git a/modules/pam_access/tst-pam_access b/modules/pam_access/tst-pam_access new file mode 100755 index 0000000..271e69f --- /dev/null +++ b/modules/pam_access/tst-pam_access @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_access.so diff --git a/modules/pam_debug/Makefile.am b/modules/pam_debug/Makefile.am new file mode 100644 index 0000000..8aa6305 --- /dev/null +++ b/modules/pam_debug/Makefile.am @@ -0,0 +1,36 @@ +# +# Copyright (c) 2005, 2006, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_debug.8 +endif +XMLS = README.xml pam_debug.8.xml +dist_check_SCRIPTS = tst-pam_debug +TESTS = $(dist_check_SCRIPTS) $(check_PROGRAMS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_debug.la +pam_debug_la_LIBADD = $(top_builddir)/libpam/libpam.la + +check_PROGRAMS = tst-pam_debug-retval +tst_pam_debug_retval_LDADD = $(top_builddir)/libpam/libpam.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_debug/Makefile.in b/modules/pam_debug/Makefile.in new file mode 100644 index 0000000..ba2cc79 --- /dev/null +++ b/modules/pam_debug/Makefile.in @@ -0,0 +1,1180 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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This module returns what its module arguments tell +it to return. + +OPTIONS + +auth=value + + The pam_sm_authenticate(3) function will return value. + +cred=value + + The pam_sm_setcred(3) function will return value. + +acct=value + + The pam_sm_acct_mgmt(3) function will return value. + +prechauthtok=value + + The pam_sm_chauthtok(3) function will return value if the PAM_PRELIM_CHECK + flag is set. + +chauthtok=value + + The pam_sm_chauthtok(3) function will return value if the PAM_PRELIM_CHECK + flag is not set. + +open_session=value + + The pam_sm_open_session(3) function will return value. + +close_session=value + + The pam_sm_close_session(3) function will return value. + +Where value can be one of: success, open_err, symbol_err, service_err, +system_err, buf_err, perm_denied, auth_err, cred_insufficient, +authinfo_unavail, user_unknown, maxtries, new_authtok_reqd, acct_expired, +session_err, cred_unavail, cred_expired, cred_err, no_module_data, conv_err, +authtok_err, authtok_recover_err, authtok_lock_busy, authtok_disable_aging, +try_again, ignore, abort, authtok_expired, module_unknown, bad_item, +conv_again, incomplete. + +EXAMPLES + +auth requisite pam_permit.so +auth [success=2 default=ok] pam_debug.so auth=perm_denied cred=success +auth [default=reset] pam_debug.so auth=success cred=perm_denied +auth [success=done default=die] pam_debug.so +auth optional pam_debug.so auth=perm_denied cred=perm_denied +auth sufficient pam_debug.so auth=success cred=success + + +AUTHOR + +pam_debug was written by Andrew G. Morgan . + diff --git a/modules/pam_debug/README.xml b/modules/pam_debug/README.xml new file mode 100644 index 0000000..ef41911 --- /dev/null +++ b/modules/pam_debug/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_debug.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_debug-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_debug/pam_debug.8 b/modules/pam_debug/pam_debug.8 new file mode 100644 index 0000000..b3e68e2 --- /dev/null +++ b/modules/pam_debug/pam_debug.8 @@ -0,0 +1,144 @@ +'\" t +.\" Title: pam_debug +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_DEBUG" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_debug \- PAM module to debug the PAM stack +.SH "SYNOPSIS" +.HP \w'\fBpam_debug\&.so\fR\ 'u +\fBpam_debug\&.so\fR [auth=\fIvalue\fR] [cred=\fIvalue\fR] [acct=\fIvalue\fR] [prechauthtok=\fIvalue\fR] [chauthtok=\fIvalue\fR] [auth=\fIvalue\fR] [open_session=\fIvalue\fR] [close_session=\fIvalue\fR] +.SH "DESCRIPTION" +.PP +The pam_debug PAM module is intended as a debugging aide for determining how the PAM stack is operating\&. This module returns what its module arguments tell it to return\&. +.SH "OPTIONS" +.PP +\fBauth=\fR\fB\fIvalue\fR\fR +.RS 4 +The +\fBpam_sm_authenticate\fR(3) +function will return +\fIvalue\fR\&. +.RE +.PP +\fBcred=\fR\fB\fIvalue\fR\fR +.RS 4 +The +\fBpam_sm_setcred\fR(3) +function will return +\fIvalue\fR\&. +.RE +.PP +\fBacct=\fR\fB\fIvalue\fR\fR +.RS 4 +The +\fBpam_sm_acct_mgmt\fR(3) +function will return +\fIvalue\fR\&. +.RE +.PP +\fBprechauthtok=\fR\fB\fIvalue\fR\fR +.RS 4 +The +\fBpam_sm_chauthtok\fR(3) +function will return +\fIvalue\fR +if the +\fIPAM_PRELIM_CHECK\fR +flag is set\&. +.RE +.PP +\fBchauthtok=\fR\fB\fIvalue\fR\fR +.RS 4 +The +\fBpam_sm_chauthtok\fR(3) +function will return +\fIvalue\fR +if the +\fIPAM_PRELIM_CHECK\fR +flag is +\fBnot\fR +set\&. +.RE +.PP +\fBopen_session=\fR\fB\fIvalue\fR\fR +.RS 4 +The +\fBpam_sm_open_session\fR(3) +function will return +\fIvalue\fR\&. +.RE +.PP +\fBclose_session=\fR\fB\fIvalue\fR\fR +.RS 4 +The +\fBpam_sm_close_session\fR(3) +function will return +\fIvalue\fR\&. +.RE +.PP +Where +\fIvalue\fR +can be one of: success, open_err, symbol_err, service_err, system_err, buf_err, perm_denied, auth_err, cred_insufficient, authinfo_unavail, user_unknown, maxtries, new_authtok_reqd, acct_expired, session_err, cred_unavail, cred_expired, cred_err, no_module_data, conv_err, authtok_err, authtok_recover_err, authtok_lock_busy, authtok_disable_aging, try_again, ignore, abort, authtok_expired, module_unknown, bad_item, conv_again, incomplete\&. +.SH "MODULE TYPES PROVIDED" +.PP +All module types (\fBauth\fR, +\fBaccount\fR, +\fBpassword\fR +and +\fBsession\fR) are provided\&. +.SH "RETURN VALUES" +.PP +PAM_SUCCESS +.RS 4 +Default return code if no other value was specified, else specified return value\&. +.RE +.SH "EXAMPLES" +.sp +.if n \{\ +.RS 4 +.\} +.nf +auth requisite pam_permit\&.so +auth [success=2 default=ok] pam_debug\&.so auth=perm_denied cred=success +auth [default=reset] pam_debug\&.so auth=success cred=perm_denied +auth [success=done default=die] pam_debug\&.so +auth optional pam_debug\&.so auth=perm_denied cred=perm_denied +auth sufficient pam_debug\&.so auth=success cred=success + +.fi +.if n \{\ +.RE +.\} +.SH "SEE ALSO" +.PP +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_debug was written by Andrew G\&. Morgan \&. diff --git a/modules/pam_debug/pam_debug.8.xml b/modules/pam_debug/pam_debug.8.xml new file mode 100644 index 0000000..3d85f4d --- /dev/null +++ b/modules/pam_debug/pam_debug.8.xml @@ -0,0 +1,231 @@ + + + + + + + pam_debug + 8 + Linux-PAM Manual + + + + pam_debug + PAM module to debug the PAM stack + + + + + pam_debug.so + + auth=value + + + cred=value + + + acct=value + + + prechauthtok=value + + + chauthtok=value + + + auth=value + + + open_session=value + + + close_session=value + + + + + + DESCRIPTION + + The pam_debug PAM module is intended as a debugging aide for + determining how the PAM stack is operating. This module returns + what its module arguments tell it to return. + + + + + OPTIONS + + + + + + + + The + + pam_sm_authenticate3 + function will return + value. + + + + + + + + + + The + + pam_sm_setcred3 + function will return + value. + + + + + + + + + + The + + pam_sm_acct_mgmt3 + function will return + value. + + + + + + + + + + The + + pam_sm_chauthtok3 + function will return + value if the + PAM_PRELIM_CHECK flag is set. + + + + + + + + + + The + + pam_sm_chauthtok3 + function will return + value if the + PAM_PRELIM_CHECK flag is + not set. + + + + + + + + + + The + + pam_sm_open_session3 + function will return + value. + + + + + + + + + + The + + pam_sm_close_session3 + function will return + value. + + + + + + Where value can be one of: success, + open_err, symbol_err, service_err, system_err, buf_err, perm_denied, + auth_err, cred_insufficient, authinfo_unavail, user_unknown, + maxtries, new_authtok_reqd, acct_expired, session_err, cred_unavail, + cred_expired, cred_err, no_module_data, conv_err, authtok_err, + authtok_recover_err, authtok_lock_busy, authtok_disable_aging, + try_again, ignore, abort, authtok_expired, module_unknown, + bad_item, conv_again, incomplete. + + + + + MODULE TYPES PROVIDED + + All module types (, , + and ) are provided. + + + + + RETURN VALUES + + + PAM_SUCCESS + + + Default return code if no other value was specified, + else specified return value. + + + + + + + + EXAMPLES + +auth requisite pam_permit.so +auth [success=2 default=ok] pam_debug.so auth=perm_denied cred=success +auth [default=reset] pam_debug.so auth=success cred=perm_denied +auth [success=done default=die] pam_debug.so +auth optional pam_debug.so auth=perm_denied cred=perm_denied +auth sufficient pam_debug.so auth=success cred=success + + + + + SEE ALSO + + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_debug was written by Andrew G. Morgan <morgan@kernel.org>. + + + + diff --git a/modules/pam_debug/pam_debug.c b/modules/pam_debug/pam_debug.c new file mode 100644 index 0000000..414806b --- /dev/null +++ b/modules/pam_debug/pam_debug.c @@ -0,0 +1,108 @@ +/* + * pam_debug module + * + * Written by Andrew Morgan 2001/02/04 + * + * This module is intended as a debugging aide for determining how + * the PAM stack is operating. + */ + +#include "config.h" +#include + +#include +#include +#include + +#define _PAM_ACTION_UNDEF (-10) +#include "../../libpam/pam_tokens.h" + +#define DEFAULT_USER "nobody" + +/* --- authentication management functions --- */ + +static int state(pam_handle_t *pamh, const char *text) +{ + int retval; + + retval = pam_info (pamh, "%s", text); + + if (retval != PAM_SUCCESS) { + D(("pam_info failed")); + } + + return retval; +} + +static int parse_args(int retval, const char *event, + pam_handle_t *pamh, int argc, const char **argv) +{ + int i; + + for (i=0; i&2; \ + exit 1;; \ + esac; \ + has_opt=no; \ + sane_makeflags=$$MAKEFLAGS; \ + if $(am__is_gnu_make); then \ + sane_makeflags=$$MFLAGS; \ + else \ + case $$MAKEFLAGS in \ + *\\[\ \ ]*) \ + bs=\\; \ + sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \ + | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \ + esac; \ + fi; \ + skip_next=no; \ + strip_trailopt () \ + { \ + flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \ + }; \ + for flg in $$sane_makeflags; do \ + test $$skip_next = yes && { skip_next=no; continue; }; \ + case $$flg in \ + *=*|--*) continue;; \ + -*I) strip_trailopt 'I'; skip_next=yes;; \ + -*I?*) strip_trailopt 'I';; \ + -*O) strip_trailopt 'O'; skip_next=yes;; \ + -*O?*) strip_trailopt 'O';; \ + -*l) strip_trailopt 'l'; skip_next=yes;; \ + -*l?*) strip_trailopt 'l';; \ + -[dEDm]) skip_next=yes;; \ + -[JT]) skip_next=yes;; \ + esac; \ + case $$flg in \ + *$$target_option*) has_opt=yes; break;; \ + esac; \ + done; \ + test $$has_opt = yes +am__make_dryrun = (target_option=n; $(am__make_running_with_option)) +am__make_keepgoing = (target_option=k; $(am__make_running_with_option)) +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +@HAVE_VERSIONING_TRUE@am__append_1 = -Wl,--version-script=$(srcdir)/../modules.map +check_PROGRAMS = tst-pam_deny-retval$(EXEEXT) +subdir = modules/pam_deny +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/m4/attribute.m4 \ + $(top_srcdir)/m4/gettext.m4 $(top_srcdir)/m4/iconv.m4 \ + $(top_srcdir)/m4/intlmacosx.m4 \ + $(top_srcdir)/m4/jh_path_xml_catalog.m4 \ + $(top_srcdir)/m4/ld-O1.m4 $(top_srcdir)/m4/ld-as-needed.m4 \ + $(top_srcdir)/m4/ld-no-undefined.m4 \ + $(top_srcdir)/m4/ld-z-now.m4 $(top_srcdir)/m4/lib-ld.m4 \ + $(top_srcdir)/m4/lib-link.m4 $(top_srcdir)/m4/lib-prefix.m4 \ + $(top_srcdir)/m4/libprelude.m4 $(top_srcdir)/m4/libtool.m4 \ + $(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \ + $(top_srcdir)/m4/ltversion.m4 $(top_srcdir)/m4/lt~obsolete.m4 \ + $(top_srcdir)/m4/nls.m4 $(top_srcdir)/m4/po.m4 \ + $(top_srcdir)/m4/progtest.m4 \ + $(top_srcdir)/m4/warn_lang_flags.m4 \ + $(top_srcdir)/m4/warnings.m4 $(top_srcdir)/configure.ac +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +DIST_COMMON = $(srcdir)/Makefile.am $(dist_check_SCRIPTS) \ + $(am__dist_noinst_DATA_DIST) $(am__DIST_COMMON) +mkinstalldirs = $(install_sh) -d +CONFIG_HEADER = $(top_builddir)/config.h +CONFIG_CLEAN_FILES = +CONFIG_CLEAN_VPATH_FILES = +am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; +am__vpath_adj = case $$p in \ + $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \ + *) f=$$p;; \ + esac; +am__strip_dir = f=`echo $$p | sed -e 's|^.*/||'`; +am__install_max = 40 +am__nobase_strip_setup = \ + srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*|]/\\\\&/g'` +am__nobase_strip = \ + for p in $$list; do echo "$$p"; done | sed -e "s|$$srcdirstrip/||" +am__nobase_list = $(am__nobase_strip_setup); \ + for p in $$list; do echo "$$p $$p"; done | \ + sed "s| $$srcdirstrip/| |;"' / .*\//!s/ .*/ ./; s,\( .*\)/[^/]*$$,\1,' | \ + $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \ + if (++n[$$2] == $(am__install_max)) \ + { print $$2, files[$$2]; n[$$2] = 0; files[$$2] = "" } } \ + END { for (dir in files) print dir, files[dir] }' +am__base_list = \ + sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \ + sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g' +am__uninstall_files_from_dir = { \ + test -z "$$files" \ + || { test ! 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It always indicates a failure to the +application through the PAM framework. It might be suitable for using for +default (the OTHER) entries. + +EXAMPLES + +#%PAM-1.0 +# +# If we don't have config entries for a service, the +# OTHER entries are used. To be secure, warn and deny +# access to everything. +other auth required pam_warn.so +other auth required pam_deny.so +other account required pam_warn.so +other account required pam_deny.so +other password required pam_warn.so +other password required pam_deny.so +other session required pam_warn.so +other session required pam_deny.so + + +AUTHOR + +pam_deny was written by Andrew G. Morgan + diff --git a/modules/pam_deny/README.xml b/modules/pam_deny/README.xml new file mode 100644 index 0000000..ff2e82b --- /dev/null +++ b/modules/pam_deny/README.xml @@ -0,0 +1,36 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_deny.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_deny-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_deny/pam_deny.8 b/modules/pam_deny/pam_deny.8 new file mode 100644 index 0000000..7f47433 --- /dev/null +++ b/modules/pam_deny/pam_deny.8 @@ -0,0 +1,102 @@ +'\" t +.\" Title: pam_deny +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_DENY" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_deny \- The locking\-out PAM module +.SH "SYNOPSIS" +.HP \w'\fBpam_deny\&.so\fR\ 'u +\fBpam_deny\&.so\fR +.SH "DESCRIPTION" +.PP +This module can be used to deny access\&. It always indicates a failure to the application through the PAM framework\&. It might be suitable for using for default (the +\fIOTHER\fR) entries\&. +.SH "OPTIONS" +.PP +This module does not recognise any options\&. +.SH "MODULE TYPES PROVIDED" +.PP +All module types (\fBaccount\fR, +\fBauth\fR, +\fBpassword\fR +and +\fBsession\fR) are provided\&. +.SH "RETURN VALUES" +.PP +.PP +PAM_AUTH_ERR +.RS 4 +This is returned by the account and auth services\&. +.RE +.PP +PAM_CRED_ERR +.RS 4 +This is returned by the setcred function\&. +.RE +.PP +PAM_AUTHTOK_ERR +.RS 4 +This is returned by the password service\&. +.RE +.PP +PAM_SESSION_ERR +.RS 4 +This is returned by the session service\&. +.RE +.SH "EXAMPLES" +.sp +.if n \{\ +.RS 4 +.\} +.nf +#%PAM\-1\&.0 +# +# If we don\*(Aqt have config entries for a service, the +# OTHER entries are used\&. To be secure, warn and deny +# access to everything\&. +other auth required pam_warn\&.so +other auth required pam_deny\&.so +other account required pam_warn\&.so +other account required pam_deny\&.so +other password required pam_warn\&.so +other password required pam_deny\&.so +other session required pam_warn\&.so +other session required pam_deny\&.so + +.fi +.if n \{\ +.RE +.\} +.SH "SEE ALSO" +.PP +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_deny was written by Andrew G\&. Morgan diff --git a/modules/pam_deny/pam_deny.8.xml b/modules/pam_deny/pam_deny.8.xml new file mode 100644 index 0000000..a928358 --- /dev/null +++ b/modules/pam_deny/pam_deny.8.xml @@ -0,0 +1,135 @@ + + + + + + + pam_deny + 8 + Linux-PAM Manual + + + + pam_deny + The locking-out PAM module + + + + + pam_deny.so + + + + + + DESCRIPTION + + + This module can be used to deny access. It always indicates a failure + to the application through the PAM framework. It might be suitable + for using for default (the OTHER) entries. + + + + + + OPTIONS + This module does not recognise any options. + + + + MODULE TYPES PROVIDED + + All module types (, , + and ) are provided. + + + + + RETURN VALUES + + + + + PAM_AUTH_ERR + + + This is returned by the account and auth services. + + + + + + PAM_CRED_ERR + + + This is returned by the setcred function. + + + + + + PAM_AUTHTOK_ERR + + + This is returned by the password service. + + + + + + PAM_SESSION_ERR + + + This is returned by the session service. + + + + + + + + + + EXAMPLES + +#%PAM-1.0 +# +# If we don't have config entries for a service, the +# OTHER entries are used. To be secure, warn and deny +# access to everything. +other auth required pam_warn.so +other auth required pam_deny.so +other account required pam_warn.so +other account required pam_deny.so +other password required pam_warn.so +other password required pam_deny.so +other session required pam_warn.so +other session required pam_deny.so + + + + + SEE ALSO + + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_deny was written by Andrew G. Morgan <morgan@kernel.org> + + + + diff --git a/modules/pam_deny/pam_deny.c b/modules/pam_deny/pam_deny.c new file mode 100644 index 0000000..a2fe0c2 --- /dev/null +++ b/modules/pam_deny/pam_deny.c @@ -0,0 +1,60 @@ +/* + * pam_deny module + * + * Written by Andrew Morgan 1996/3/11 + */ + +#include "config.h" +#include + +/* --- authentication management functions --- */ + +int +pam_sm_authenticate(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_AUTH_ERR; +} + +int +pam_sm_setcred(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_CRED_ERR; +} + +/* --- account management functions --- */ + +int +pam_sm_acct_mgmt(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_AUTH_ERR; +} + +/* --- password management --- */ + +int +pam_sm_chauthtok(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_AUTHTOK_ERR; +} + +/* --- session management --- */ + +int +pam_sm_open_session(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_SESSION_ERR; +} + +int +pam_sm_close_session(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_SESSION_ERR; +} + +/* end of module definition */ diff --git a/modules/pam_deny/tst-pam_deny b/modules/pam_deny/tst-pam_deny new file mode 100755 index 0000000..7d9d6ba --- /dev/null +++ b/modules/pam_deny/tst-pam_deny @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_deny.so diff --git a/modules/pam_deny/tst-pam_deny-retval.c b/modules/pam_deny/tst-pam_deny-retval.c new file mode 100644 index 0000000..356ca1f --- /dev/null +++ b/modules/pam_deny/tst-pam_deny-retval.c @@ -0,0 +1,58 @@ +/* + * Check pam_deny return values. + * + * Copyright (c) 2020 Dmitry V. Levin + */ + +#include "test_assert.h" + +#include +#include +#include +#include +#include + +#define MODULE_NAME "pam_deny" +#define TEST_NAME "tst-" MODULE_NAME "-retval" + +static const char service_file[] = TEST_NAME ".service"; +static const char user_name[] = ""; +static struct pam_conv conv; + +int +main(void) +{ + pam_handle_t *pamh = NULL; + FILE *fp; + char cwd[PATH_MAX]; + + ASSERT_NE(NULL, getcwd(cwd, sizeof(cwd))); + + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so\n" + "account required %s/.libs/%s.so\n" + "password required %s/.libs/%s.so\n" + "session required %s/.libs/%s.so\n", + cwd, MODULE_NAME, + cwd, MODULE_NAME, + cwd, MODULE_NAME, + cwd, MODULE_NAME)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, user_name, &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_AUTH_ERR, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_CRED_ERR, pam_setcred(pamh, 0)); + ASSERT_EQ(PAM_AUTH_ERR, pam_acct_mgmt(pamh, 0)); + ASSERT_EQ(PAM_AUTHTOK_ERR, pam_chauthtok(pamh, 0)); + ASSERT_EQ(PAM_SESSION_ERR, pam_open_session(pamh, 0)); + ASSERT_EQ(PAM_SESSION_ERR, pam_close_session(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(0, unlink(service_file)); + + return 0; +} diff --git a/modules/pam_echo/Makefile.am b/modules/pam_echo/Makefile.am new file mode 100644 index 0000000..b855e62 --- /dev/null +++ b/modules/pam_echo/Makefile.am @@ -0,0 +1,36 @@ +# +# Copyright (c) 2005, 2006, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_echo.8 +endif +XMLS = README.xml pam_echo.8.xml +dist_check_SCRIPTS = tst-pam_echo +TESTS = $(dist_check_SCRIPTS) $(check_PROGRAMS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_echo.la +pam_echo_la_LIBADD = $(top_builddir)/libpam/libpam.la + +check_PROGRAMS = tst-pam_echo-retval +tst_pam_echo_retval_LDADD = $(top_builddir)/libpam/libpam.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_echo/Makefile.in b/modules/pam_echo/Makefile.in new file mode 100644 index 0000000..7b591fa --- /dev/null +++ b/modules/pam_echo/Makefile.in @@ -0,0 +1,1180 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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Sequences starting with the % character are interpreted in the +following way: + +%H + + The name of the remote host (PAM_RHOST). + +%h + + The name of the local host. + +%s + + The service name (PAM_SERVICE). + +%t + + The name of the controlling terminal (PAM_TTY). + +%U + + The remote user name (PAM_RUSER). + +%u + + The local user name (PAM_USER). + +All other sequences beginning with % expands to the characters following the % +character. + +EXAMPLES + +For an example of the use of this module, we show how it may be used to print +information about good passwords: + +password optional pam_echo.so file=/usr/share/doc/good-password.txt +password required pam_unix.so + + +AUTHOR + +Thorsten Kukuk + diff --git a/modules/pam_echo/README.xml b/modules/pam_echo/README.xml new file mode 100644 index 0000000..b1556e3 --- /dev/null +++ b/modules/pam_echo/README.xml @@ -0,0 +1,36 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_echo.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_echo-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_echo/pam_echo.8 b/modules/pam_echo/pam_echo.8 new file mode 100644 index 0000000..ba46e06 --- /dev/null +++ b/modules/pam_echo/pam_echo.8 @@ -0,0 +1,132 @@ +'\" t +.\" Title: pam_echo +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_ECHO" "8" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_echo \- PAM module for printing text messages +.SH "SYNOPSIS" +.HP \w'\fBpam_echo\&.so\fR\ 'u +\fBpam_echo\&.so\fR [file=\fI/path/message\fR] +.SH "DESCRIPTION" +.PP +The +\fIpam_echo\fR +PAM module is for printing text messages to inform user about special things\&. Sequences starting with the +\fI%\fR +character are interpreted in the following way: +.PP +\fI%H\fR +.RS 4 +The name of the remote host (PAM_RHOST)\&. +.RE +.PP +\fI%h\fR +.RS 4 +The name of the local host\&. +.RE +.PP +\fI%s\fR +.RS 4 +The service name (PAM_SERVICE)\&. +.RE +.PP +\fI%t\fR +.RS 4 +The name of the controlling terminal (PAM_TTY)\&. +.RE +.PP +\fI%U\fR +.RS 4 +The remote user name (PAM_RUSER)\&. +.RE +.PP +\fI%u\fR +.RS 4 +The local user name (PAM_USER)\&. +.RE +.PP +All other sequences beginning with +\fI%\fR +expands to the characters following the +\fI%\fR +character\&. +.SH "OPTIONS" +.PP +\fBfile=\fR\fB\fI/path/message\fR\fR +.RS 4 +The content of the file +/path/message +will be printed with the PAM conversion function as PAM_TEXT_INFO\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +All module types (\fBauth\fR, +\fBaccount\fR, +\fBpassword\fR +and +\fBsession\fR) are provided\&. +.SH "RETURN VALUES" +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Message was successful printed\&. +.RE +.PP +PAM_IGNORE +.RS 4 +PAM_SILENT flag was given or message file does not exist, no message printed\&. +.RE +.SH "EXAMPLES" +.PP +For an example of the use of this module, we show how it may be used to print information about good passwords: +.sp +.if n \{\ +.RS 4 +.\} +.nf +password optional pam_echo\&.so file=/usr/share/doc/good\-password\&.txt +password required pam_unix\&.so + +.fi +.if n \{\ +.RE +.\} +.sp +.SH "SEE ALSO" +.PP +\fBpam.conf\fR(8), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +Thorsten Kukuk diff --git a/modules/pam_echo/pam_echo.8.xml b/modules/pam_echo/pam_echo.8.xml new file mode 100644 index 0000000..ef76b02 --- /dev/null +++ b/modules/pam_echo/pam_echo.8.xml @@ -0,0 +1,170 @@ + + + + + + pam_echo + 8 + Linux-PAM Manual + + + + pam_echo + PAM module for printing text messages + + + + + + + pam_echo.so + + file=/path/message + + + + + + DESCRIPTION + + The pam_echo PAM module is for printing + text messages to inform user about special things. Sequences + starting with the % character are + interpreted in the following way: + + + + %H + + The name of the remote host (PAM_RHOST). + + + + %h + + The name of the local host. + + + + %s + + The service name (PAM_SERVICE). + + + + %t + + The name of the controlling terminal (PAM_TTY). + + + + %U + + The remote user name (PAM_RUSER). + + + + %u + + The local user name (PAM_USER). + + + + + + All other sequences beginning with % + expands to the characters following the % + character. + + + + + OPTIONS + + + + + + + + The content of the file /path/message + will be printed with the PAM conversion function as PAM_TEXT_INFO. + + + + + + + + MODULE TYPES PROVIDED + + All module types (, , + and ) are provided. + + + + + + + RETURN VALUES + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_SUCCESS + + + Message was successful printed. + + + + + PAM_IGNORE + + + PAM_SILENT flag was given or message file does not + exist, no message printed. + + + + + + + + EXAMPLES + + For an example of the use of this module, we show how it may be + used to print information about good passwords: + +password optional pam_echo.so file=/usr/share/doc/good-password.txt +password required pam_unix.so + + + + + + SEE ALSO + + + pam.conf8 + , + + pam.d5 + , + + pam8 + + + + + AUTHOR + Thorsten Kukuk <kukuk@thkukuk.de> + + diff --git a/modules/pam_echo/pam_echo.c b/modules/pam_echo/pam_echo.c new file mode 100644 index 0000000..181aeb4 --- /dev/null +++ b/modules/pam_echo/pam_echo.c @@ -0,0 +1,260 @@ +/* + * Copyright (c) 2005, 2006 Thorsten Kukuk + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#if defined(HAVE_CONFIG_H) +#include "config.h" +#endif + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifndef HOST_NAME_MAX +#define HOST_NAME_MAX 255 +#endif + +#include +#include +#include +#include +#include "pam_inline.h" + +static int +replace_and_print (pam_handle_t *pamh, const char *mesg) +{ + char *output; + size_t length = strlen (mesg) + PAM_MAX_MSG_SIZE; + char myhostname[HOST_NAME_MAX+1]; + const void *str = NULL; + const char *p, *q; + int item; + size_t len; + + output = malloc (length); + if (output == NULL) + { + pam_syslog (pamh, LOG_CRIT, "running out of memory"); + return PAM_BUF_ERR; + } + + for (p = mesg, len = 0; *p != '\0' && len < length - 1; ++p) + { + if (*p != '%' || p[1] == '\0') + { + output[len++] = *p; + continue; + } + switch (*++p) + { + case 'H': + item = PAM_RHOST; + break; + case 'h': + item = -2; /* aka PAM_LOCALHOST */ + break; + case 's': + item = PAM_SERVICE; + break; + case 't': + item = PAM_TTY; + break; + case 'U': + item = PAM_RUSER; + break; + case 'u': + item = PAM_USER; + break; + default: + output[len++] = *p; + continue; + } + if (item == -2) + { + if (gethostname (myhostname, sizeof (myhostname)) == -1) + str = NULL; + else + str = &myhostname; + } + else + { + if (pam_get_item (pamh, item, &str) != PAM_SUCCESS) + str = NULL; + } + if (str == NULL) + str = "(null)"; + for (q = str; *q != '\0' && len < length - 1; ++q) + output[len++] = *q; + } + output[len] = '\0'; + + pam_info (pamh, "%s", output); + free (output); + + return PAM_SUCCESS; +} + +static int +pam_echo (pam_handle_t *pamh, int flags, int argc, const char **argv) +{ + int fd; + int orig_argc = argc; + const char **orig_argv = argv; + const char *file = NULL; + int retval; + + if (flags & PAM_SILENT) + return PAM_IGNORE; + + for (; argc-- > 0; ++argv) + { + const char *str = pam_str_skip_prefix(*argv, "file="); + if (str != NULL) + file = str; + } + + /* No file= option, use argument for output. */ + if (file == NULL || file[0] == '\0') + { + char msg[PAM_MAX_MSG_SIZE]; + const char *p; + int i; + size_t len; + + for (i = 0, len = 0; i < orig_argc && len < sizeof (msg) - 1; ++i) + { + if (i > 0) + msg[len++] = ' '; + for (p = orig_argv[i]; *p != '\0' && len < sizeof(msg) - 1; ++p) + msg[len++] = *p; + } + msg[len] = '\0'; + + retval = replace_and_print (pamh, msg); + } + else if ((fd = open (file, O_RDONLY, 0)) >= 0) + { + char *mtmp = NULL; + struct stat st; + + /* load file into message buffer. */ + if ((fstat (fd, &st) < 0) || !st.st_size) + { + close (fd); + return PAM_IGNORE; + } + + mtmp = malloc (st.st_size + 1); + if (!mtmp) + { + close (fd); + return PAM_BUF_ERR; + } + + if (pam_modutil_read (fd, mtmp, st.st_size) == -1) + { + pam_syslog (pamh, LOG_ERR, "Error while reading %s: %m", file); + free (mtmp); + close (fd); + return PAM_IGNORE; + } + + if (mtmp[st.st_size - 1] == '\n') + mtmp[st.st_size - 1] = '\0'; + else + mtmp[st.st_size] = '\0'; + + close (fd); + retval = replace_and_print (pamh, mtmp); + free (mtmp); + } + else + { + pam_syslog (pamh, LOG_ERR, "Cannot open %s: %m", file); + retval = PAM_IGNORE; + } + return retval; +} + +int +pam_sm_authenticate (pam_handle_t *pamh, int flags, int argc, + const char **argv) +{ + return pam_echo (pamh, flags, argc, argv); +} + +int +pam_sm_setcred (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_IGNORE; +} + +int +pam_sm_acct_mgmt (pam_handle_t *pamh, int flags, int argc, + const char **argv) +{ + return pam_echo (pamh, flags, argc, argv); +} + +int +pam_sm_open_session (pam_handle_t *pamh, int flags, int argc, + const char **argv) +{ + return pam_echo (pamh, flags, argc, argv); +} + +int +pam_sm_close_session (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_IGNORE; +} + +int +pam_sm_chauthtok (pam_handle_t *pamh, int flags, int argc, + const char **argv) +{ + if (flags & PAM_PRELIM_CHECK) + return pam_echo (pamh, flags, argc, argv); + else + return PAM_IGNORE; +} diff --git a/modules/pam_echo/tst-pam_echo b/modules/pam_echo/tst-pam_echo new file mode 100755 index 0000000..483a2c2 --- /dev/null +++ b/modules/pam_echo/tst-pam_echo @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_echo.so diff --git a/modules/pam_echo/tst-pam_echo-retval.c b/modules/pam_echo/tst-pam_echo-retval.c new file mode 100644 index 0000000..2374b71 --- /dev/null +++ b/modules/pam_echo/tst-pam_echo-retval.c @@ -0,0 +1,101 @@ +/* + * Check pam_echo return values. + * + * Copyright (c) 2020 Dmitry V. Levin + */ + +#include "test_assert.h" + +#include +#include +#include +#include +#include + +#define MODULE_NAME "pam_echo" +#define TEST_NAME "tst-" MODULE_NAME "-retval" + +static const char service_file[] = TEST_NAME ".service"; +static const char user_name[] = ""; +static struct pam_conv conv; + +int +main(void) +{ + pam_handle_t *pamh = NULL; + FILE *fp; + char cwd[PATH_MAX]; + + ASSERT_NE(NULL, getcwd(cwd, sizeof(cwd))); + + /* PAM_SUCCESS -> PAM_SUCCESS, PAM_IGNORE -> PAM_PERM_DENIED */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so\n" + "account required %s/.libs/%s.so\n" + "password required %s/.libs/%s.so\n" + "session required %s/.libs/%s.so\n", + cwd, MODULE_NAME, + cwd, MODULE_NAME, + cwd, MODULE_NAME, + cwd, MODULE_NAME)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, user_name, &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SUCCESS, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_PERM_DENIED, pam_setcred(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_acct_mgmt(pamh, 0)); + ASSERT_EQ(PAM_PERM_DENIED, pam_chauthtok(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_open_session(pamh, 0)); + ASSERT_EQ(PAM_PERM_DENIED, pam_close_session(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + /* PAM_SILENT: PAM_IGNORE -> PAM_PERM_DENIED */ + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, user_name, &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_PERM_DENIED, pam_authenticate(pamh, PAM_SILENT)); + ASSERT_EQ(PAM_PERM_DENIED, pam_setcred(pamh, PAM_SILENT)); + ASSERT_EQ(PAM_PERM_DENIED, pam_acct_mgmt(pamh, PAM_SILENT)); + ASSERT_EQ(PAM_PERM_DENIED, pam_chauthtok(pamh, PAM_SILENT)); + ASSERT_EQ(PAM_PERM_DENIED, pam_open_session(pamh, PAM_SILENT)); + ASSERT_EQ(PAM_PERM_DENIED, pam_close_session(pamh, PAM_SILENT)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + /* PAM_IGNORE -> PAM_SUCCESS */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so\n" + "auth required %s/../pam_permit/.libs/pam_permit.so\n" + "account required %s/.libs/%s.so\n" + "account required %s/../pam_permit/.libs/pam_permit.so\n" + "password required %s/.libs/%s.so\n" + "password required %s/../pam_permit/.libs/pam_permit.so\n" + "session required %s/.libs/%s.so\n" + "session required %s/../pam_permit/.libs/pam_permit.so\n", + cwd, MODULE_NAME, cwd, + cwd, MODULE_NAME, cwd, + cwd, MODULE_NAME, cwd, + cwd, MODULE_NAME, cwd)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, user_name, &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SUCCESS, pam_authenticate(pamh, PAM_SILENT)); + ASSERT_EQ(PAM_SUCCESS, pam_setcred(pamh, PAM_SILENT)); + ASSERT_EQ(PAM_SUCCESS, pam_acct_mgmt(pamh, PAM_SILENT)); + ASSERT_EQ(PAM_SUCCESS, pam_chauthtok(pamh, PAM_SILENT)); + ASSERT_EQ(PAM_SUCCESS, pam_open_session(pamh, PAM_SILENT)); + ASSERT_EQ(PAM_SUCCESS, pam_close_session(pamh, PAM_SILENT)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(0, unlink(service_file)); + + return 0; +} diff --git a/modules/pam_env/Makefile.am b/modules/pam_env/Makefile.am new file mode 100644 index 0000000..c66112d --- /dev/null +++ b/modules/pam_env/Makefile.am @@ -0,0 +1,37 @@ +# +# Copyright (c) 2005, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_env.conf.5 pam_env.8 environment.5 +endif +XMLS = README.xml pam_env.conf.5.xml pam_env.8.xml +dist_check_SCRIPTS = tst-pam_env +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + -DDEFAULT_CONF_FILE=\"$(SCONFIGDIR)/pam_env.conf\" $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_env.la +pam_env_la_LIBADD = $(top_builddir)/libpam/libpam.la + +dist_secureconf_DATA = pam_env.conf +dist_sysconf_DATA = environment + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +environment.5: pam_env.conf.5.xml +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_env/Makefile.in b/modules/pam_env/Makefile.in new file mode 100644 index 0000000..255458f --- /dev/null +++ b/modules/pam_env/Makefile.in @@ -0,0 +1,1248 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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An alternate file can be specified with the conffile +option. + +Second a file (/etc/environment by default) with simple KEY=VAL pairs on +separate lines will be read. With the envfile option an alternate file can be +specified. And with the readenv option this can be completely disabled. + +Third it will read a user configuration file ($HOME/.pam_environment by +default). The default file can be changed with the user_envfile option and it +can be turned on and off with the user_readenv option. + +Since setting of PAM environment variables can have side effects to other +modules, this module should be the last one on the stack. + +OPTIONS + +conffile=/path/to/pam_env.conf + + Indicate an alternative pam_env.conf style configuration file to override + the default. This can be useful when different services need different + environments. + +debug + + A lot of debug information is printed with syslog(3). + +envfile=/path/to/environment + + Indicate an alternative environment file to override the default. The + syntax are simple KEY=VAL pairs on separate lines. The export instruction + can be specified for bash compatibility, but will be ignored. This can be + useful when different services need different environments. + +readenv=0|1 + + Turns on or off the reading of the file specified by envfile (0 is off, 1 + is on). By default this option is on. + +user_envfile=filename + + Indicate an alternative .pam_environment file to override the default.The + syntax is the same as for /etc/security/pam_env.conf. The filename is + relative to the user home directory. This can be useful when different + services need different environments. + +user_readenv=0|1 + + Turns on or off the reading of the user specific environment file. 0 is + off, 1 is on. By default this option is off as user supplied environment + variables in the PAM environment could affect behavior of subsequent + modules in the stack without the consent of the system administrator. + + Due to problematic security this functionality is deprecated since the + 1.5.0 version and will be removed completely at some point in the future. + +EXAMPLES + +These are some example lines which might be specified in /etc/security/ +pam_env.conf. + +Set the REMOTEHOST variable for any hosts that are remote, default to +"localhost" rather than not being set at all + + REMOTEHOST DEFAULT=localhost OVERRIDE=@{PAM_RHOST} + + +Set the DISPLAY variable if it seems reasonable + + DISPLAY DEFAULT=${REMOTEHOST}:0.0 OVERRIDE=${DISPLAY} + + +Now some simple variables + + PAGER DEFAULT=less + MANPAGER DEFAULT=less + LESS DEFAULT="M q e h15 z23 b80" + NNTPSERVER DEFAULT=localhost + PATH DEFAULT=${HOME}/bin:/usr/local/bin:/bin\ + :/usr/bin:/usr/local/bin/X11:/usr/bin/X11 + XDG_DATA_HOME DEFAULT=@{HOME}/share/ + + +Silly examples of escaped variables, just to show how they work. + + DOLLAR DEFAULT=\$ + DOLLARDOLLAR DEFAULT= OVERRIDE=\$${DOLLAR} + DOLLARPLUS DEFAULT=\${REMOTEHOST}${REMOTEHOST} + ATSIGN DEFAULT="" OVERRIDE=\@ + + diff --git a/modules/pam_env/README.xml b/modules/pam_env/README.xml new file mode 100644 index 0000000..21a9b85 --- /dev/null +++ b/modules/pam_env/README.xml @@ -0,0 +1,39 @@ + + +--> + +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_env.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_env-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_env/environment b/modules/pam_env/environment new file mode 100644 index 0000000..3e704a6 --- /dev/null +++ b/modules/pam_env/environment @@ -0,0 +1,5 @@ +# +# This file is parsed by pam_env module +# +# Syntax: simple "KEY=VAL" pairs on separate lines +# diff --git a/modules/pam_env/environment.5 b/modules/pam_env/environment.5 new file mode 100644 index 0000000..aa670e2 --- /dev/null +++ b/modules/pam_env/environment.5 @@ -0,0 +1 @@ +.so man5/pam_env.conf.5 diff --git a/modules/pam_env/pam_env.8 b/modules/pam_env/pam_env.8 new file mode 100644 index 0000000..8b0d519 --- /dev/null +++ b/modules/pam_env/pam_env.8 @@ -0,0 +1,160 @@ +'\" t +.\" Title: pam_env +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_ENV" "8" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_env \- PAM module to set/unset environment variables +.SH "SYNOPSIS" +.HP \w'\fBpam_env\&.so\fR\ 'u +\fBpam_env\&.so\fR [debug] [conffile=\fIconf\-file\fR] [envfile=\fIenv\-file\fR] [readenv=\fI0|1\fR] [user_envfile=\fIenv\-file\fR] [user_readenv=\fI0|1\fR] +.SH "DESCRIPTION" +.PP +The pam_env PAM module allows the (un)setting of environment variables\&. Supported is the use of previously set environment variables as well as +\fIPAM_ITEM\fRs such as +\fIPAM_RHOST\fR\&. +.PP +By default rules for (un)setting of variables are taken from the config file +/etc/security/pam_env\&.conf\&. An alternate file can be specified with the +\fIconffile\fR +option\&. +.PP +Second a file (/etc/environment +by default) with simple +\fIKEY=VAL\fR +pairs on separate lines will be read\&. With the +\fIenvfile\fR +option an alternate file can be specified\&. And with the +\fIreadenv\fR +option this can be completely disabled\&. +.PP +Third it will read a user configuration file ($HOME/\&.pam_environment +by default)\&. The default file can be changed with the +\fIuser_envfile\fR +option and it can be turned on and off with the +\fIuser_readenv\fR +option\&. +.PP +Since setting of PAM environment variables can have side effects to other modules, this module should be the last one on the stack\&. +.SH "OPTIONS" +.PP +\fBconffile=\fR\fB\fI/path/to/pam_env\&.conf\fR\fR +.RS 4 +Indicate an alternative +pam_env\&.conf +style configuration file to override the default\&. This can be useful when different services need different environments\&. +.RE +.PP +\fBdebug\fR +.RS 4 +A lot of debug information is printed with +\fBsyslog\fR(3)\&. +.RE +.PP +\fBenvfile=\fR\fB\fI/path/to/environment\fR\fR +.RS 4 +Indicate an alternative +environment +file to override the default\&. The syntax are simple +\fIKEY=VAL\fR +pairs on separate lines\&. The +\fIexport\fR +instruction can be specified for bash compatibility, but will be ignored\&. This can be useful when different services need different environments\&. +.RE +.PP +\fBreadenv=\fR\fB\fI0|1\fR\fR +.RS 4 +Turns on or off the reading of the file specified by envfile (0 is off, 1 is on)\&. By default this option is on\&. +.RE +.PP +\fBuser_envfile=\fR\fB\fIfilename\fR\fR +.RS 4 +Indicate an alternative +\&.pam_environment +file to override the default\&.The syntax is the same as for +\fI/etc/security/pam_env\&.conf\fR\&. The filename is relative to the user home directory\&. This can be useful when different services need different environments\&. +.RE +.PP +\fBuser_readenv=\fR\fB\fI0|1\fR\fR +.RS 4 +Turns on or off the reading of the user specific environment file\&. 0 is off, 1 is on\&. By default this option is off as user supplied environment variables in the PAM environment could affect behavior of subsequent modules in the stack without the consent of the system administrator\&. +.sp +Due to problematic security this functionality is deprecated since the 1\&.5\&.0 version and will be removed completely at some point in the future\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +The +\fBauth\fR +and +\fBsession\fR +module types are provided\&. +.SH "RETURN VALUES" +.PP +PAM_ABORT +.RS 4 +Not all relevant data or options could be gotten\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_IGNORE +.RS 4 +No pam_env\&.conf and environment file was found\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Environment variables were set\&. +.RE +.SH "FILES" +.PP +/etc/security/pam_env\&.conf +.RS 4 +Default configuration file +.RE +.PP +/etc/environment +.RS 4 +Default environment file +.RE +.PP +$HOME/\&.pam_environment +.RS 4 +User specific environment file +.RE +.SH "SEE ALSO" +.PP +\fBpam_env.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8), +\fBenviron\fR(7)\&. +.SH "AUTHOR" +.PP +pam_env was written by Dave Kinchlea \&. diff --git a/modules/pam_env/pam_env.8.xml b/modules/pam_env/pam_env.8.xml new file mode 100644 index 0000000..75ff862 --- /dev/null +++ b/modules/pam_env/pam_env.8.xml @@ -0,0 +1,271 @@ + + + + + + + pam_env + 8 + Linux-PAM Manual + + + + pam_env + + PAM module to set/unset environment variables + + + + + + + + pam_env.so + + debug + + + conffile=conf-file + + + envfile=env-file + + + readenv=0|1 + + + user_envfile=env-file + + + user_readenv=0|1 + + + + + + + DESCRIPTION + + The pam_env PAM module allows the (un)setting of environment + variables. Supported is the use of previously set environment + variables as well as PAM_ITEMs such as + PAM_RHOST. + + + By default rules for (un)setting of variables are taken from the + config file /etc/security/pam_env.conf. An + alternate file can be specified with the conffile + option. + + + Second a file (/etc/environment by default) with simple + KEY=VAL pairs on separate lines will be read. + With the envfile option an alternate file can be specified. + And with the readenv option this can be completely disabled. + + + Third it will read a user configuration file + ($HOME/.pam_environment by default). + The default file can be changed with the + user_envfile option + and it can be turned on and off with the user_readenv option. + + + Since setting of PAM environment variables can have side effects + to other modules, this module should be the last one on the stack. + + + + + OPTIONS + + + + + + + + + Indicate an alternative pam_env.conf + style configuration file to override the default. This can + be useful when different services need different environments. + + + + + + + + + + + A lot of debug information is printed with + syslog3. + + + + + + + + + + + Indicate an alternative environment + file to override the default. The syntax are simple + KEY=VAL pairs on separate lines. The + export instruction can be specified for bash + compatibility, but will be ignored. + This can be useful when different services need different environments. + + + + + + + + + + + Turns on or off the reading of the file specified by envfile + (0 is off, 1 is on). By default this option is on. + + + + + + + + + + + + Indicate an alternative .pam_environment + file to override the default.The syntax is the same as + for /etc/security/pam_env.conf. + The filename is relative to the user home directory. + This can be useful when different services need different + environments. + + + + + + + + + + + Turns on or off the reading of the user specific environment + file. 0 is off, 1 is on. By default this option is off as user + supplied environment variables in the PAM environment could affect + behavior of subsequent modules in the stack without the consent + of the system administrator. + + + Due to problematic security this functionality is deprecated + since the 1.5.0 version and will be removed completely at some + point in the future. + + + + + + + + + MODULE TYPES PROVIDED + + The and module + types are provided. + + + + + RETURN VALUES + + + PAM_ABORT + + + Not all relevant data or options could be gotten. + + + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_IGNORE + + + No pam_env.conf and environment file was found. + + + + + PAM_SUCCESS + + + Environment variables were set. + + + + + + + + FILES + + + /etc/security/pam_env.conf + + Default configuration file + + + + /etc/environment + + Default environment file + + + + $HOME/.pam_environment + + User specific environment file + + + + + + + SEE ALSO + + + pam_env.conf5 + , + + pam.d5 + , + + pam8 + , + + environ7 + . + + + + + AUTHOR + + pam_env was written by Dave Kinchlea <kinch@kinch.ark.com>. + + + diff --git a/modules/pam_env/pam_env.c b/modules/pam_env/pam_env.c new file mode 100644 index 0000000..f5f8cea --- /dev/null +++ b/modules/pam_env/pam_env.c @@ -0,0 +1,894 @@ +/* + * pam_env module + * + * Written by Dave Kinchlea 1997/01/31 + * Inspired by Andrew Morgan , who also supplied the + * template for this file (via pam_mail) + */ + +#define DEFAULT_ETC_ENVFILE "/etc/environment" +#define DEFAULT_READ_ENVFILE 1 + +#define DEFAULT_USER_ENVFILE ".pam_environment" +#define DEFAULT_USER_READ_ENVFILE 0 + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include "pam_inline.h" + +/* This little structure makes it easier to keep variables together */ + +typedef struct var { + char *name; + char *value; + char *defval; + char *override; +} VAR; + +#define BUF_SIZE 8192 +#define MAX_ENV 8192 + +#define GOOD_LINE 0 +#define BAD_LINE 100 /* This must be > the largest PAM_* error code */ + +#define DEFINE_VAR 101 +#define UNDEFINE_VAR 102 +#define ILLEGAL_VAR 103 + +static int _assemble_line(FILE *, char *, int); +static int _parse_line(const pam_handle_t *, const char *, VAR *); +static int _check_var(pam_handle_t *, VAR *); /* This is the real meat */ +static void _clean_var(VAR *); +static int _expand_arg(pam_handle_t *, char **); +static const char * _pam_get_item_byname(pam_handle_t *, const char *); +static int _define_var(pam_handle_t *, int, VAR *); +static int _undefine_var(pam_handle_t *, int, VAR *); + +/* This is a special value used to designate an empty string */ +static char quote='\0'; + +/* argument parsing */ + +#define PAM_DEBUG_ARG 0x01 + +static int +_pam_parse (const pam_handle_t *pamh, int argc, const char **argv, + const char **conffile, const char **envfile, int *readenv, + const char **user_envfile, int *user_readenv) +{ + int ctrl=0; + + *user_envfile = DEFAULT_USER_ENVFILE; + *envfile = DEFAULT_ETC_ENVFILE; + *readenv = DEFAULT_READ_ENVFILE; + *user_readenv = DEFAULT_USER_READ_ENVFILE; + *conffile = DEFAULT_CONF_FILE; + + /* step through arguments */ + for (; argc-- > 0; ++argv) { + const char *str; + + /* generic options */ + + if (!strcmp(*argv,"debug")) + ctrl |= PAM_DEBUG_ARG; + else if ((str = pam_str_skip_prefix(*argv, "conffile=")) != NULL) { + if (str[0] == '\0') { + pam_syslog(pamh, LOG_ERR, + "conffile= specification missing argument - ignored"); + } else { + *conffile = str; + D(("new Configuration File: %s", *conffile)); + } + } else if ((str = pam_str_skip_prefix(*argv, "envfile=")) != NULL) { + if (str[0] == '\0') { + pam_syslog (pamh, LOG_ERR, + "envfile= specification missing argument - ignored"); + } else { + *envfile = str; + D(("new Env File: %s", *envfile)); + } + } else if ((str = pam_str_skip_prefix(*argv, "user_envfile=")) != NULL) { + if (str[0] == '\0') { + pam_syslog (pamh, LOG_ERR, + "user_envfile= specification missing argument - ignored"); + } else { + *user_envfile = str; + D(("new User Env File: %s", *user_envfile)); + } + } else if ((str = pam_str_skip_prefix(*argv, "readenv=")) != NULL) { + *readenv = atoi(str); + } else if ((str = pam_str_skip_prefix(*argv, "user_readenv=")) != NULL) { + *user_readenv = atoi(str); + } else + pam_syslog(pamh, LOG_ERR, "unknown option: %s", *argv); + } + + if (*user_readenv) + pam_syslog(pamh, LOG_DEBUG, "deprecated reading of user environment enabled"); + + return ctrl; +} + +static int +_parse_config_file(pam_handle_t *pamh, int ctrl, const char *file) +{ + int retval; + char buffer[BUF_SIZE]; + FILE *conf; + VAR Var, *var=&Var; + + D(("Called.")); + + var->name=NULL; var->defval=NULL; var->override=NULL; + + D(("Config file name is: %s", file)); + + /* + * Lets try to open the config file, parse it and process + * any variables found. + */ + + if ((conf = fopen(file,"r")) == NULL) { + pam_syslog(pamh, LOG_ERR, "Unable to open config file: %s: %m", file); + return PAM_IGNORE; + } + + /* _pam_assemble_line will provide a complete line from the config file, + * with all comments removed and any escaped newlines fixed up + */ + + while (( retval = _assemble_line(conf, buffer, BUF_SIZE)) > 0) { + D(("Read line: %s", buffer)); + + if ((retval = _parse_line(pamh, buffer, var)) == GOOD_LINE) { + retval = _check_var(pamh, var); + + if (DEFINE_VAR == retval) { + retval = _define_var(pamh, ctrl, var); + + } else if (UNDEFINE_VAR == retval) { + retval = _undefine_var(pamh, ctrl, var); + } + } + if (PAM_SUCCESS != retval && ILLEGAL_VAR != retval + && BAD_LINE != retval && PAM_BAD_ITEM != retval) break; + + _clean_var(var); + + } /* while */ + + (void) fclose(conf); + + /* tidy up */ + _clean_var(var); /* We could have got here prematurely, + * this is safe though */ + D(("Exit.")); + return (retval != 0 ? PAM_ABORT : PAM_SUCCESS); +} + +static int +_parse_env_file(pam_handle_t *pamh, int ctrl, const char *file) +{ + int retval=PAM_SUCCESS, i, t; + char buffer[BUF_SIZE], *key, *mark; + FILE *conf; + + D(("Env file name is: %s", file)); + + if ((conf = fopen(file,"r")) == NULL) { + pam_syslog(pamh, LOG_ERR, "Unable to open env file: %s: %m", file); + return PAM_IGNORE; + } + + while (_assemble_line(conf, buffer, BUF_SIZE) > 0) { + D(("Read line: %s", buffer)); + key = buffer; + + /* skip leading white space */ + key += strspn(key, " \n\t"); + + /* skip blanks lines and comments */ + if (key[0] == '#') + continue; + + /* skip over "export " if present so we can be compat with + bash type declarations */ + if (strncmp(key, "export ", (size_t) 7) == 0) + key += 7; + + /* now find the end of value */ + mark = key; + while(mark[0] != '\n' && mark[0] != '#' && mark[0] != '\0') + mark++; + if (mark[0] != '\0') + mark[0] = '\0'; + + /* + * sanity check, the key must be alphanumeric + */ + + if (key[0] == '=') { + pam_syslog(pamh, LOG_ERR, + "missing key name '%s' in %s', ignoring", + key, file); + continue; + } + + for ( i = 0 ; key[i] != '=' && key[i] != '\0' ; i++ ) + if (!isalnum(key[i]) && key[i] != '_') { + pam_syslog(pamh, LOG_ERR, + "non-alphanumeric key '%s' in %s', ignoring", + key, file); + break; + } + /* non-alphanumeric key, ignore this line */ + if (key[i] != '=' && key[i] != '\0') + continue; + + /* now we try to be smart about quotes around the value, + but not too smart, we can't get all fancy with escaped + values like bash */ + if (key[i] == '=' && (key[++i] == '\"' || key[i] == '\'')) { + for ( t = i+1 ; key[t] != '\0' ; t++) + if (key[t] != '\"' && key[t] != '\'') + key[i++] = key[t]; + else if (key[t+1] != '\0') + key[i++] = key[t]; + key[i] = '\0'; + } + + /* if this is a request to delete a variable, check that it's + actually set first, so we don't get a vague error back from + pam_putenv() */ + for (i = 0; key[i] != '=' && key[i] != '\0'; i++); + + if (key[i] == '\0' && !pam_getenv(pamh,key)) + continue; + + /* set the env var, if it fails, we break out of the loop */ + retval = pam_putenv(pamh, key); + if (retval != PAM_SUCCESS) { + D(("error setting env \"%s\"", key)); + break; + } else if (ctrl & PAM_DEBUG_ARG) { + pam_syslog(pamh, LOG_DEBUG, + "pam_putenv(\"%s\")", key); + } + } + + (void) fclose(conf); + + /* tidy up */ + D(("Exit.")); + return retval; +} + +/* + * This is where we read a line of the PAM config file. The line may be + * preceded by lines of comments and also extended with "\\\n" + */ + +static int _assemble_line(FILE *f, char *buffer, int buf_len) +{ + char *p = buffer; + char *s, *os; + int used = 0; + int whitespace; + + /* loop broken with a 'break' when a non-'\\n' ended line is read */ + + D(("called.")); + for (;;) { + if (used >= buf_len) { + /* Overflow */ + D(("_assemble_line: overflow")); + return -1; + } + if (fgets(p, buf_len - used, f) == NULL) { + if (used) { + /* Incomplete read */ + return -1; + } else { + /* EOF */ + return 0; + } + } + if (p[0] == '\0') { + D(("_assemble_line: corrupted or binary file")); + return -1; + } + if (p[strlen(p)-1] != '\n' && !feof(f)) { + D(("_assemble_line: line too long")); + return -1; + } + + /* skip leading spaces --- line may be blank */ + + whitespace = strspn(p, " \n\t"); + s = p + whitespace; + if (*s && (*s != '#')) { + used += whitespace; + os = s; + + /* + * we are only interested in characters before the first '#' + * character + */ + + while (*s && *s != '#') + ++s; + if (*s == '#') { + *s = '\0'; + used += strlen(os); + break; /* the line has been read */ + } + + s = os; + + /* + * Check for backslash by scanning back from the end of + * the entered line, the '\n' has been included since + * normally a line is terminated with this + * character. fgets() should only return one though! + */ + + s += strlen(s); + while (s > os && ((*--s == ' ') || (*s == '\t') + || (*s == '\n'))); + + /* check if it ends with a backslash */ + if (*s == '\\') { + *s = '\0'; /* truncate the line here */ + used += strlen(os); + p = s; /* there is more ... */ + } else { + /* End of the line! */ + used += strlen(os); + break; /* this is the complete line */ + } + + } else { + /* Nothing in this line */ + /* Don't move p */ + } + } + + return used; +} + +static int +_parse_line (const pam_handle_t *pamh, const char *buffer, VAR *var) +{ + /* + * parse buffer into var, legal syntax is + * VARIABLE [DEFAULT=[[string]] [OVERRIDE=[value]] + * + * Any other options defined make this a bad line, + * error logged and no var set + */ + + int length, quoteflg=0; + const char *ptr, *tmpptr; + char **valptr; + + D(("Called buffer = <%s>", buffer)); + + length = strcspn(buffer," \t\n"); + + if ((var->name = malloc(length + 1)) == NULL) { + pam_syslog(pamh, LOG_CRIT, "Couldn't malloc %d bytes", length+1); + return PAM_BUF_ERR; + } + + /* + * The first thing on the line HAS to be the variable name, + * it may be the only thing though. + */ + strncpy(var->name, buffer, length); + var->name[length] = '\0'; + D(("var->name = <%s>, length = %d", var->name, length)); + + /* + * Now we check for arguments, we only support two kinds and ('cause I am lazy) + * each one can actually be listed any number of times + */ + + ptr = buffer+length; + while ((length = strspn(ptr, " \t")) > 0) { + ptr += length; /* remove leading whitespace */ + D((ptr)); + if ((tmpptr = pam_str_skip_prefix(ptr, "DEFAULT=")) != NULL) { + ptr = tmpptr; + D(("Default arg found: <%s>", ptr)); + valptr=&(var->defval); + } else if ((tmpptr = pam_str_skip_prefix(ptr, "OVERRIDE=")) != NULL) { + ptr = tmpptr; + D(("Override arg found: <%s>", ptr)); + valptr=&(var->override); + } else { + D(("Unrecognized options: <%s> - ignoring line", ptr)); + pam_syslog(pamh, LOG_ERR, "Unrecognized Option: %s - ignoring line", ptr); + return BAD_LINE; + } + + if ('"' != *ptr) { /* Escaped quotes not supported */ + length = strcspn(ptr, " \t\n"); + tmpptr = ptr+length; + } else { + tmpptr = strchr(++ptr, '"'); + if (!tmpptr) { + D(("Unterminated quoted string: %s", ptr-1)); + pam_syslog(pamh, LOG_ERR, "Unterminated quoted string: %s", ptr-1); + return BAD_LINE; + } + length = tmpptr - ptr; + if (*++tmpptr && ' ' != *tmpptr && '\t' != *tmpptr && '\n' != *tmpptr) { + D(("Quotes must cover the entire string: <%s>", ptr)); + pam_syslog(pamh, LOG_ERR, "Quotes must cover the entire string: <%s>", ptr); + return BAD_LINE; + } + quoteflg++; + } + if (length) { + if ((*valptr = malloc(length + 1)) == NULL) { + D(("Couldn't malloc %d bytes", length+1)); + pam_syslog(pamh, LOG_CRIT, "Couldn't malloc %d bytes", length+1); + return PAM_BUF_ERR; + } + (void)strncpy(*valptr,ptr,length); + (*valptr)[length]='\0'; + } else if (quoteflg--) { + *valptr = "e; /* a quick hack to handle the empty string */ + } + ptr = tmpptr; /* Start the search where we stopped */ + } /* while */ + + /* + * The line is parsed, all is well. + */ + + D(("Exit.")); + ptr = NULL; tmpptr = NULL; valptr = NULL; + return GOOD_LINE; +} + +static int _check_var(pam_handle_t *pamh, VAR *var) +{ + /* + * Examine the variable and determine what action to take. + * Returns DEFINE_VAR, UNDEFINE_VAR depending on action to take + * or a PAM_* error code if passed back from other routines + * + * if no DEFAULT provided, the empty string is assumed + * if no OVERRIDE provided, the empty string is assumed + * if DEFAULT= and OVERRIDE evaluates to the empty string, + * this variable should be undefined + * if DEFAULT="" and OVERRIDE evaluates to the empty string, + * this variable should be defined with no value + * if OVERRIDE=value and value turns into the empty string, DEFAULT is used + * + * If DEFINE_VAR is to be returned, the correct value to define will + * be pointed to by var->value + */ + + int retval; + + D(("Called.")); + + /* + * First thing to do is to expand any arguments, but only + * if they are not the special quote values (cause expand_arg + * changes memory). + */ + + if (var->defval && ("e != var->defval) && + ((retval = _expand_arg(pamh, &(var->defval))) != PAM_SUCCESS)) { + return retval; + } + if (var->override && ("e != var->override) && + ((retval = _expand_arg(pamh, &(var->override))) != PAM_SUCCESS)) { + return retval; + } + + /* Now its easy */ + + if (var->override && *(var->override)) { + /* if there is a non-empty string in var->override, we use it */ + D(("OVERRIDE variable <%s> being used: <%s>", var->name, var->override)); + var->value = var->override; + retval = DEFINE_VAR; + } else { + + var->value = var->defval; + if ("e == var->defval) { + /* + * This means that the empty string was given for defval value + * which indicates that a variable should be defined with no value + */ + D(("An empty variable: <%s>", var->name)); + retval = DEFINE_VAR; + } else if (var->defval) { + D(("DEFAULT variable <%s> being used: <%s>", var->name, var->defval)); + retval = DEFINE_VAR; + } else { + D(("UNDEFINE variable <%s>", var->name)); + retval = UNDEFINE_VAR; + } + } + + D(("Exit.")); + return retval; +} + +static int _expand_arg(pam_handle_t *pamh, char **value) +{ + const char *orig=*value, *tmpptr=NULL; + char *ptr; /* + * Sure would be nice to use tmpptr but it needs to be + * a constant so that the compiler will shut up when I + * call pam_getenv and _pam_get_item_byname -- sigh + */ + + /* No unexpanded variable can be bigger than BUF_SIZE */ + char type, tmpval[BUF_SIZE]; + + /* I know this shouldn't be hard-coded but it's so much easier this way */ + char tmp[MAX_ENV]; + size_t idx; + + D(("Remember to initialize tmp!")); + memset(tmp, 0, MAX_ENV); + idx = 0; + + /* + * (possibly non-existent) environment variables can be used as values + * by prepending a "$" and wrapping in {} (ie: ${HOST}), can escape with "\" + * (possibly non-existent) PAM items can be used as values + * by prepending a "@" and wrapping in {} (ie: @{PAM_RHOST}, can escape + * + */ + D(("Expanding <%s>",orig)); + while (*orig) { /* while there is some input to deal with */ + if ('\\' == *orig) { + ++orig; + if ('$' != *orig && '@' != *orig) { + D(("Unrecognized escaped character: <%c> - ignoring", *orig)); + pam_syslog(pamh, LOG_ERR, + "Unrecognized escaped character: <%c> - ignoring", + *orig); + } else if (idx + 1 < MAX_ENV) { + tmp[idx++] = *orig++; /* Note the increment */ + } else { + /* is it really a good idea to try to log this? */ + D(("Variable buffer overflow: <%s> + <%s>", tmp, tmpptr)); + pam_syslog (pamh, LOG_ERR, "Variable buffer overflow: <%s> + <%s>", + tmp, tmpptr); + return PAM_BUF_ERR; + } + continue; + } + if ('$' == *orig || '@' == *orig) { + if ('{' != *(orig+1)) { + D(("Expandable variables must be wrapped in {}" + " <%s> - ignoring", orig)); + pam_syslog(pamh, LOG_ERR, "Expandable variables must be wrapped in {}" + " <%s> - ignoring", orig); + if (idx + 1 < MAX_ENV) { + tmp[idx++] = *orig++; /* Note the increment */ + } + continue; + } else { + D(("Expandable argument: <%s>", orig)); + type = *orig; + orig+=2; /* skip the ${ or @{ characters */ + ptr = strchr(orig, '}'); + if (ptr) { + *ptr++ = '\0'; + } else { + D(("Unterminated expandable variable: <%s>", orig-2)); + pam_syslog(pamh, LOG_ERR, + "Unterminated expandable variable: <%s>", orig-2); + return PAM_ABORT; + } + strncpy(tmpval, orig, sizeof(tmpval)); + tmpval[sizeof(tmpval)-1] = '\0'; + orig=ptr; + /* + * so, we know we need to expand tmpval, it is either + * an environment variable or a PAM_ITEM. type will tell us which + */ + switch (type) { + + case '$': + D(("Expanding env var: <%s>",tmpval)); + tmpptr = pam_getenv(pamh, tmpval); + D(("Expanded to <%s>", tmpptr)); + break; + + case '@': + D(("Expanding pam item: <%s>",tmpval)); + tmpptr = _pam_get_item_byname(pamh, tmpval); + D(("Expanded to <%s>", tmpptr)); + break; + + default: + D(("Impossible error, type == <%c>", type)); + pam_syslog(pamh, LOG_CRIT, "Impossible error, type == <%c>", type); + return PAM_ABORT; + } /* switch */ + + if (tmpptr) { + size_t len = strlen(tmpptr); + if (idx + len < MAX_ENV) { + strcpy(tmp + idx, tmpptr); + idx += len; + } else { + /* is it really a good idea to try to log this? */ + D(("Variable buffer overflow: <%s> + <%s>", tmp, tmpptr)); + pam_syslog (pamh, LOG_ERR, + "Variable buffer overflow: <%s> + <%s>", tmp, tmpptr); + return PAM_BUF_ERR; + } + } + } /* if ('{' != *orig++) */ + } else { /* if ( '$' == *orig || '@' == *orig) */ + if (idx + 1 < MAX_ENV) { + tmp[idx++] = *orig++; /* Note the increment */ + } else { + /* is it really a good idea to try to log this? */ + D(("Variable buffer overflow: <%s> + <%s>", tmp, tmpptr)); + pam_syslog(pamh, LOG_ERR, + "Variable buffer overflow: <%s> + <%s>", tmp, tmpptr); + return PAM_BUF_ERR; + } + } + } /* for (;*orig;) */ + + if (idx > strlen(*value)) { + free(*value); + if ((*value = malloc(idx + 1)) == NULL) { + D(("Couldn't malloc %d bytes for expanded var", idx + 1)); + pam_syslog (pamh, LOG_CRIT, "Couldn't malloc %lu bytes for expanded var", + (unsigned long)idx+1); + return PAM_BUF_ERR; + } + } + strcpy(*value, tmp); + memset(tmp, '\0', sizeof(tmp)); + D(("Exit.")); + + return PAM_SUCCESS; +} + +static const char * _pam_get_item_byname(pam_handle_t *pamh, const char *name) +{ + /* + * This function just allows me to use names as given in the config + * file and translate them into the appropriate PAM_ITEM macro + */ + + int item; + const void *itemval; + + D(("Called.")); + if (strcmp(name, "PAM_USER") == 0 || strcmp(name, "HOME") == 0 || strcmp(name, "SHELL") == 0) { + item = PAM_USER; + } else if (strcmp(name, "PAM_USER_PROMPT") == 0) { + item = PAM_USER_PROMPT; + } else if (strcmp(name, "PAM_TTY") == 0) { + item = PAM_TTY; + } else if (strcmp(name, "PAM_RUSER") == 0) { + item = PAM_RUSER; + } else if (strcmp(name, "PAM_RHOST") == 0) { + item = PAM_RHOST; + } else { + D(("Unknown PAM_ITEM: <%s>", name)); + pam_syslog (pamh, LOG_ERR, "Unknown PAM_ITEM: <%s>", name); + return NULL; + } + + if (pam_get_item(pamh, item, &itemval) != PAM_SUCCESS) { + D(("pam_get_item failed")); + return NULL; /* let pam_get_item() log the error */ + } + + if (itemval && (strcmp(name, "HOME") == 0 || strcmp(name, "SHELL") == 0)) { + struct passwd *user_entry; + user_entry = pam_modutil_getpwnam (pamh, itemval); + if (!user_entry) { + pam_syslog(pamh, LOG_ERR, "No such user!?"); + return NULL; + } + return (strcmp(name, "SHELL") == 0) ? + user_entry->pw_shell : + user_entry->pw_dir; + } + + D(("Exit.")); + return itemval; +} + +static int _define_var(pam_handle_t *pamh, int ctrl, VAR *var) +{ + /* We have a variable to define, this is a simple function */ + + char *envvar; + int retval = PAM_SUCCESS; + + D(("Called.")); + if (asprintf(&envvar, "%s=%s", var->name, var->value) < 0) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + return PAM_BUF_ERR; + } + + retval = pam_putenv(pamh, envvar); + if (ctrl & PAM_DEBUG_ARG) { + pam_syslog(pamh, LOG_DEBUG, "pam_putenv(\"%s\")", envvar); + } + _pam_drop(envvar); + D(("Exit.")); + return retval; +} + +static int _undefine_var(pam_handle_t *pamh, int ctrl, VAR *var) +{ + /* We have a variable to undefine, this is a simple function */ + + D(("Called and exit.")); + if (ctrl & PAM_DEBUG_ARG) { + pam_syslog(pamh, LOG_DEBUG, "remove variable \"%s\"", var->name); + } + return pam_putenv(pamh, var->name); +} + +static void _clean_var(VAR *var) +{ + if (var->name) { + free(var->name); + } + if (var->defval && ("e != var->defval)) { + free(var->defval); + } + if (var->override && ("e != var->override)) { + free(var->override); + } + var->name = NULL; + var->value = NULL; /* never has memory specific to it */ + var->defval = NULL; + var->override = NULL; + return; +} + + + +/* --- authentication management functions (only) --- */ + +int +pam_sm_authenticate (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_IGNORE; +} + +static int +handle_env (pam_handle_t *pamh, int argc, const char **argv) +{ + int retval, ctrl, readenv=DEFAULT_READ_ENVFILE; + int user_readenv = DEFAULT_USER_READ_ENVFILE; + const char *conf_file = NULL, *env_file = NULL, *user_env_file = NULL; + + /* + * this module sets environment variables read in from a file + */ + + D(("Called.")); + ctrl = _pam_parse(pamh, argc, argv, &conf_file, &env_file, + &readenv, &user_env_file, &user_readenv); + + retval = _parse_config_file(pamh, ctrl, conf_file); + + if(readenv && retval == PAM_SUCCESS) { + retval = _parse_env_file(pamh, ctrl, env_file); + if (retval == PAM_IGNORE) + retval = PAM_SUCCESS; + } + + if(user_readenv && retval == PAM_SUCCESS) { + char *envpath = NULL; + struct passwd *user_entry = NULL; + const char *username; + struct stat statbuf; + + username = _pam_get_item_byname(pamh, "PAM_USER"); + + if (username) + user_entry = pam_modutil_getpwnam (pamh, username); + if (!user_entry) { + pam_syslog(pamh, LOG_ERR, "No such user!?"); + } + else { + if (asprintf(&envpath, "%s/%s", user_entry->pw_dir, user_env_file) < 0) + { + pam_syslog(pamh, LOG_CRIT, "Out of memory"); + return PAM_BUF_ERR; + } + if (stat(envpath, &statbuf) == 0) { + PAM_MODUTIL_DEF_PRIVS(privs); + + if (pam_modutil_drop_priv(pamh, &privs, user_entry)) { + retval = PAM_SESSION_ERR; + } else { + retval = _parse_config_file(pamh, ctrl, envpath); + if (pam_modutil_regain_priv(pamh, &privs)) + retval = PAM_SESSION_ERR; + } + if (retval == PAM_IGNORE) + retval = PAM_SUCCESS; + } + free(envpath); + } + } + + /* indicate success or failure */ + D(("Exit.")); + return retval; +} + +int +pam_sm_acct_mgmt (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + pam_syslog (pamh, LOG_NOTICE, "pam_sm_acct_mgmt called inappropriately"); + return PAM_SERVICE_ERR; +} + +int +pam_sm_setcred (pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + D(("Called")); + return handle_env (pamh, argc, argv); +} + +int +pam_sm_open_session (pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + D(("Called")); + return handle_env (pamh, argc, argv); +} + +int +pam_sm_close_session (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + D(("Called and Exit")); + return PAM_SUCCESS; +} + +int +pam_sm_chauthtok (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + pam_syslog (pamh, LOG_NOTICE, "pam_sm_chauthtok called inappropriately"); + return PAM_SERVICE_ERR; +} + +/* end of module definition */ diff --git a/modules/pam_env/pam_env.conf b/modules/pam_env/pam_env.conf new file mode 100644 index 0000000..2549e43 --- /dev/null +++ b/modules/pam_env/pam_env.conf @@ -0,0 +1,73 @@ +# +# This is the configuration file for pam_env, a PAM module to load in +# a configurable list of environment variables for a +# +# The original idea for this came from Andrew G. Morgan ... +# +# Mmm. Perhaps you might like to write a pam_env module that reads a +# default environment from a file? I can see that as REALLY +# useful... Note it would be an "auth" module that returns PAM_IGNORE +# for the auth part and sets the environment returning PAM_SUCCESS in +# the setcred function... +# +# +# What I wanted was the REMOTEHOST variable set, purely for selfish +# reasons, and AGM didn't want it added to the SimpleApps login +# program (which is where I added the patch). So, my first concern is +# that variable, from there there are numerous others that might/would +# be useful to be set: NNTPSERVER, LESS, PATH, PAGER, MANPAGER ..... +# +# Of course, these are a different kind of variable than REMOTEHOST in +# that they are things that are likely to be configured by +# administrators rather than set by logging in, how to treat them both +# in the same config file? +# +# Here is my idea: +# +# Each line starts with the variable name, there are then two possible +# options for each variable DEFAULT and OVERRIDE. +# DEFAULT allows an administrator to set the value of the +# variable to some default value, if none is supplied then the empty +# string is assumed. The OVERRIDE option tells pam_env that it should +# enter in its value (overriding the default value) if there is one +# to use. OVERRIDE is not used, "" is assumed and no override will be +# done. +# +# VARIABLE [DEFAULT=[value]] [OVERRIDE=[value]] +# +# (Possibly non-existent) environment variables may be used in values +# using the ${string} syntax and (possibly non-existent) PAM_ITEMs may +# be used in values using the @{string} syntax. Both the $ and @ +# characters can be backslash escaped to be used as literal values +# values can be delimited with "", escaped " not supported. +# Note that many environment variables that you would like to use +# may not be set by the time the module is called. +# For example, HOME is used below several times, but +# many PAM applications don't make it available by the time you need it. +# +# +# First, some special variables +# +# Set the REMOTEHOST variable for any hosts that are remote, default +# to "localhost" rather than not being set at all +#REMOTEHOST DEFAULT=localhost OVERRIDE=@{PAM_RHOST} +# +# Set the DISPLAY variable if it seems reasonable +#DISPLAY DEFAULT=${REMOTEHOST}:0.0 OVERRIDE=${DISPLAY} +# +# +# Now some simple variables +# +#PAGER DEFAULT=less +#MANPAGER DEFAULT=less +#LESS DEFAULT="M q e h15 z23 b80" +#NNTPSERVER DEFAULT=localhost +#PATH DEFAULT=${HOME}/bin:/usr/local/bin:/bin\ +#:/usr/bin:/usr/local/bin/X11:/usr/bin/X11 +# +# silly examples of escaped variables, just to show how they work. +# +#DOLLAR DEFAULT=\$ +#DOLLARDOLLAR DEFAULT= OVERRIDE=\$${DOLLAR} +#DOLLARPLUS DEFAULT=\${REMOTEHOST}${REMOTEHOST} +#ATSIGN DEFAULT="" OVERRIDE=\@ diff --git a/modules/pam_env/pam_env.conf.5 b/modules/pam_env/pam_env.conf.5 new file mode 100644 index 0000000..40fd118 --- /dev/null +++ b/modules/pam_env/pam_env.conf.5 @@ -0,0 +1,132 @@ +'\" t +.\" Title: pam_env.conf +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_ENV\&.CONF" "5" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_env.conf, environment \- the environment variables config files +.SH "DESCRIPTION" +.PP +The +/etc/security/pam_env\&.conf +file specifies the environment variables to be set, unset or modified by +\fBpam_env\fR(8)\&. When someone logs in, this file is read and the environment variables are set according\&. +.PP +Each line starts with the variable name, there are then two possible options for each variable DEFAULT and OVERRIDE\&. DEFAULT allows an administrator to set the value of the variable to some default value, if none is supplied then the empty string is assumed\&. The OVERRIDE option tells pam_env that it should enter in its value (overriding the default value) if there is one to use\&. OVERRIDE is not used, "" is assumed and no override will be done\&. +.PP +\fIVARIABLE\fR +[\fIDEFAULT=[value]\fR] [\fIOVERRIDE=[value]\fR] +.PP +(Possibly non\-existent) environment variables may be used in values using the ${string} syntax and (possibly non\-existent) PAM_ITEMs as well as HOME and SHELL may be used in values using the @{string} syntax\&. Both the $ and @ characters can be backslash escaped to be used as literal values values can be delimited with "", escaped " not supported\&. Note that many environment variables that you would like to use may not be set by the time the module is called\&. For example, ${HOME} is used below several times, but many PAM applications don\*(Aqt make it available by the time you need it\&. The special variables @{HOME} and @{SHELL} are expanded to the values for the user from his +\fIpasswd\fR +entry\&. +.PP +The "\fI#\fR" character at start of line (no space at front) can be used to mark this line as a comment line\&. +.PP +The +/etc/environment +file specifies the environment variables to be set\&. The file must consist of simple +\fINAME=VALUE\fR +pairs on separate lines\&. The +\fBpam_env\fR(8) +module will read the file after the +pam_env\&.conf +file\&. +.SH "EXAMPLES" +.PP +These are some example lines which might be specified in +/etc/security/pam_env\&.conf\&. +.PP +Set the REMOTEHOST variable for any hosts that are remote, default to "localhost" rather than not being set at all +.sp +.if n \{\ +.RS 4 +.\} +.nf + REMOTEHOST DEFAULT=localhost OVERRIDE=@{PAM_RHOST} + +.fi +.if n \{\ +.RE +.\} +.PP +Set the DISPLAY variable if it seems reasonable +.sp +.if n \{\ +.RS 4 +.\} +.nf + DISPLAY DEFAULT=${REMOTEHOST}:0\&.0 OVERRIDE=${DISPLAY} + +.fi +.if n \{\ +.RE +.\} +.PP +Now some simple variables +.sp +.if n \{\ +.RS 4 +.\} +.nf + PAGER DEFAULT=less + MANPAGER DEFAULT=less + LESS DEFAULT="M q e h15 z23 b80" + NNTPSERVER DEFAULT=localhost + PATH DEFAULT=${HOME}/bin:/usr/local/bin:/bin\e + :/usr/bin:/usr/local/bin/X11:/usr/bin/X11 + XDG_DATA_HOME DEFAULT=@{HOME}/share/ + +.fi +.if n \{\ +.RE +.\} +.PP +Silly examples of escaped variables, just to show how they work\&. +.sp +.if n \{\ +.RS 4 +.\} +.nf + DOLLAR DEFAULT=\e$ + DOLLARDOLLAR DEFAULT= OVERRIDE=\e$${DOLLAR} + DOLLARPLUS DEFAULT=\e${REMOTEHOST}${REMOTEHOST} + ATSIGN DEFAULT="" OVERRIDE=\e@ + +.fi +.if n \{\ +.RE +.\} +.SH "SEE ALSO" +.PP +\fBpam_env\fR(8), +\fBpam.d\fR(5), +\fBpam\fR(8), +\fBenviron\fR(7) +.SH "AUTHOR" +.PP +pam_env was written by Dave Kinchlea \&. diff --git a/modules/pam_env/pam_env.conf.5.xml b/modules/pam_env/pam_env.conf.5.xml new file mode 100644 index 0000000..fca046f --- /dev/null +++ b/modules/pam_env/pam_env.conf.5.xml @@ -0,0 +1,136 @@ + + + + + + + pam_env.conf + 5 + Linux-PAM Manual + + + + pam_env.conf + environment + the environment variables config files + + + + + DESCRIPTION + + + The /etc/security/pam_env.conf file specifies + the environment variables to be set, unset or modified by + pam_env8. + When someone logs in, this file is read and the environment + variables are set according. + + + Each line starts with the variable name, there are then two possible + options for each variable DEFAULT and OVERRIDE. DEFAULT allows an + administrator to set the value of the variable to some default + value, if none is supplied then the empty string is assumed. The + OVERRIDE option tells pam_env that it should enter in its value + (overriding the default value) if there is one to use. OVERRIDE is + not used, "" is assumed and no override will be done. + + + VARIABLE + [DEFAULT=[value]] + [OVERRIDE=[value]] + + + + (Possibly non-existent) environment variables may be used in values + using the ${string} syntax and (possibly non-existent) PAM_ITEMs as well + as HOME and SHELL may be used in values using the @{string} syntax. Both + the $ and @ characters can be backslash escaped to be used as literal values + values can be delimited with "", escaped " not supported. + Note that many environment variables that you would like to use + may not be set by the time the module is called. + For example, ${HOME} is used below several times, but + many PAM applications don't make it available by the time you need it. + The special variables @{HOME} and @{SHELL} are expanded to the values + for the user from his passwd entry. + + + + The "#" character at start of line (no space + at front) can be used to mark this line as a comment line. + + + + The /etc/environment file specifies + the environment variables to be set. The file must consist of simple + NAME=VALUE pairs on separate lines. + The pam_env8 + module will read the file after the pam_env.conf + file. + + + + + EXAMPLES + + These are some example lines which might be specified in + /etc/security/pam_env.conf. + + + + Set the REMOTEHOST variable for any hosts that are remote, default + to "localhost" rather than not being set at all + + + REMOTEHOST DEFAULT=localhost OVERRIDE=@{PAM_RHOST} + + + + Set the DISPLAY variable if it seems reasonable + + + DISPLAY DEFAULT=${REMOTEHOST}:0.0 OVERRIDE=${DISPLAY} + + + + Now some simple variables + + + PAGER DEFAULT=less + MANPAGER DEFAULT=less + LESS DEFAULT="M q e h15 z23 b80" + NNTPSERVER DEFAULT=localhost + PATH DEFAULT=${HOME}/bin:/usr/local/bin:/bin\ + :/usr/bin:/usr/local/bin/X11:/usr/bin/X11 + XDG_DATA_HOME DEFAULT=@{HOME}/share/ + + + + Silly examples of escaped variables, just to show how they work. + + + DOLLAR DEFAULT=\$ + DOLLARDOLLAR DEFAULT= OVERRIDE=\$${DOLLAR} + DOLLARPLUS DEFAULT=\${REMOTEHOST}${REMOTEHOST} + ATSIGN DEFAULT="" OVERRIDE=\@ + + + + + SEE ALSO + + pam_env8, + pam.d5, + pam8, + environ7 + + + + + AUTHOR + + pam_env was written by Dave Kinchlea <kinch@kinch.ark.com>. + + + diff --git a/modules/pam_env/tst-pam_env b/modules/pam_env/tst-pam_env new file mode 100755 index 0000000..c40e70a --- /dev/null +++ b/modules/pam_env/tst-pam_env @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_env.so diff --git a/modules/pam_exec/Makefile.am b/modules/pam_exec/Makefile.am new file mode 100644 index 0000000..713de6a --- /dev/null +++ b/modules/pam_exec/Makefile.am @@ -0,0 +1,33 @@ +# +# Copyright (c) 2006, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_exec.8 +endif +XMLS = README.xml pam_exec.8.xml +dist_check_SCRIPTS = tst-pam_exec +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_exec.la +pam_exec_la_LIBADD = $(top_builddir)/libpam/libpam.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_exec/Makefile.in b/modules/pam_exec/Makefile.in new file mode 100644 index 0000000..a312387 --- /dev/null +++ b/modules/pam_exec/Makefile.in @@ -0,0 +1,1150 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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Only first PAM_MAX_RESP_SIZE bytes of a password are provided to the + command. + +log=file + + The output of the command is appended to file + +type=type + + Only run the command if the module type matches the given type. + +stdout + + Per default the output of the executed command is written to /dev/null. + With this option, the stdout output of the executed command is redirected + to the calling application. It's in the responsibility of this application + what happens with the output. The log option is ignored. + +quiet + + Per default pam_exec.so will echo the exit status of the external command + if it fails. Specifying this option will suppress the message. + +quiet_log + + Per default pam_exec.so will log the exit status of the external command if + it fails. Specifying this option will suppress the log message. + +seteuid + + Per default pam_exec.so will execute the external command with the real + user ID of the calling process. Specifying this option means the command is + run with the effective user ID. + +EXAMPLES + +Add the following line to /etc/pam.d/passwd to rebuild the NIS database after +each local password change: + + password optional pam_exec.so seteuid /usr/bin/make -C /var/yp + + +This will execute the command + +make -C /var/yp + +with effective user ID. + +AUTHOR + +pam_exec was written by Thorsten Kukuk and Josh Triplett +. + diff --git a/modules/pam_exec/README.xml b/modules/pam_exec/README.xml new file mode 100644 index 0000000..5e76cab --- /dev/null +++ b/modules/pam_exec/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_exec.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_exec-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_exec/pam_exec.8 b/modules/pam_exec/pam_exec.8 new file mode 100644 index 0000000..7108791 --- /dev/null +++ b/modules/pam_exec/pam_exec.8 @@ -0,0 +1,188 @@ +'\" t +.\" Title: pam_exec +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_EXEC" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_exec \- PAM module which calls an external command +.SH "SYNOPSIS" +.HP \w'\fBpam_exec\&.so\fR\ 'u +\fBpam_exec\&.so\fR [debug] [expose_authtok] [seteuid] [quiet] [quiet_log] [stdout] [log=\fIfile\fR] [type=\fItype\fR] \fIcommand\fR [\fI\&.\&.\&.\fR] +.SH "DESCRIPTION" +.PP +pam_exec is a PAM module that can be used to run an external command\&. +.PP +The child\*(Aqs environment is set to the current PAM environment list, as returned by +\fBpam_getenvlist\fR(3) +In addition, the following PAM items are exported as environment variables: +\fIPAM_RHOST\fR, +\fIPAM_RUSER\fR, +\fIPAM_SERVICE\fR, +\fIPAM_TTY\fR, +\fIPAM_USER\fR +and +\fIPAM_TYPE\fR, which contains one of the module types: +\fBaccount\fR, +\fBauth\fR, +\fBpassword\fR, +\fBopen_session\fR +and +\fBclose_session\fR\&. +.PP +Commands called by pam_exec need to be aware of that the user can have control over the environment\&. +.SH "OPTIONS" +.PP +.PP +\fBdebug\fR +.RS 4 +Print debug information\&. +.RE +.PP +\fBexpose_authtok\fR +.RS 4 +During authentication the calling command can read the password from +\fBstdin\fR(3)\&. Only first +\fIPAM_MAX_RESP_SIZE\fR +bytes of a password are provided to the command\&. +.RE +.PP +\fBlog=\fR\fB\fIfile\fR\fR +.RS 4 +The output of the command is appended to +file +.RE +.PP +\fBtype=\fR\fB\fItype\fR\fR +.RS 4 +Only run the command if the module type matches the given type\&. +.RE +.PP +\fBstdout\fR +.RS 4 +Per default the output of the executed command is written to +/dev/null\&. With this option, the stdout output of the executed command is redirected to the calling application\&. It\*(Aqs in the responsibility of this application what happens with the output\&. The +\fBlog\fR +option is ignored\&. +.RE +.PP +\fBquiet\fR +.RS 4 +Per default pam_exec\&.so will echo the exit status of the external command if it fails\&. Specifying this option will suppress the message\&. +.RE +.PP +\fBquiet_log\fR +.RS 4 +Per default pam_exec\&.so will log the exit status of the external command if it fails\&. Specifying this option will suppress the log message\&. +.RE +.PP +\fBseteuid\fR +.RS 4 +Per default pam_exec\&.so will execute the external command with the real user ID of the calling process\&. Specifying this option means the command is run with the effective user ID\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +All module types (\fBauth\fR, +\fBaccount\fR, +\fBpassword\fR +and +\fBsession\fR) are provided\&. +.SH "RETURN VALUES" +.PP +.PP +PAM_SUCCESS +.RS 4 +The external command was run successfully\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_CONV_ERR +.RS 4 +The conversation method supplied by the application failed to obtain the username\&. +.RE +.PP +PAM_INCOMPLETE +.RS 4 +The conversation method supplied by the application returned PAM_CONV_AGAIN\&. +.RE +.PP +PAM_SERVICE_ERR +.RS 4 +No argument or a wrong number of arguments were given\&. +.RE +.PP +PAM_SYSTEM_ERR +.RS 4 +A system error occurred or the command to execute failed\&. +.RE +.PP +PAM_IGNORE +.RS 4 +\fBpam_setcred\fR +was called, which does not execute the command\&. Or, the value given for the type= parameter did not match the module type\&. +.RE +.SH "EXAMPLES" +.PP +Add the following line to +/etc/pam\&.d/passwd +to rebuild the NIS database after each local password change: +.sp +.if n \{\ +.RS 4 +.\} +.nf + password optional pam_exec\&.so seteuid /usr/bin/make \-C /var/yp + +.fi +.if n \{\ +.RE +.\} +.sp +This will execute the command +.sp +.if n \{\ +.RS 4 +.\} +.nf +make \-C /var/yp +.fi +.if n \{\ +.RE +.\} +.sp +with effective user ID\&. +.SH "SEE ALSO" +.PP +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_exec was written by Thorsten Kukuk and Josh Triplett \&. diff --git a/modules/pam_exec/pam_exec.8.xml b/modules/pam_exec/pam_exec.8.xml new file mode 100644 index 0000000..7e89943 --- /dev/null +++ b/modules/pam_exec/pam_exec.8.xml @@ -0,0 +1,319 @@ + + + + + + + pam_exec + 8 + Linux-PAM Manual + + + + pam_exec + PAM module which calls an external command + + + + + pam_exec.so + + debug + + + expose_authtok + + + seteuid + + + quiet + + + quiet_log + + + stdout + + + log=file + + + type=type + + + command + + + ... + + + + + + + DESCRIPTION + + + pam_exec is a PAM module that can be used to run + an external command. + + + + The child's environment is set to the current PAM environment list, as + returned by + + pam_getenvlist3 + + In addition, the following PAM items are + exported as environment variables: PAM_RHOST, + PAM_RUSER, PAM_SERVICE, + PAM_TTY, PAM_USER and + PAM_TYPE, which contains one of the module + types: , , + , and + . + + + + Commands called by pam_exec need to be aware of that the user + can have control over the environment. + + + + + + + OPTIONS + + + + + + + + + + Print debug information. + + + + + + + + + + + During authentication the calling command can read + the password from + stdin3 + . Only first PAM_MAX_RESP_SIZE + bytes of a password are provided to the command. + + + + + + + + + + + The output of the command is appended to + file + + + + + + + + + + + Only run the command if the module type matches the given type. + + + + + + + + + + + Per default the output of the executed command is written to /dev/null. With this option, the stdout output of the executed command is redirected to the calling application. It's in the responsibility of this application what happens with the output. The option is ignored. + + + + + + + + + + + Per default pam_exec.so will echo the exit status of the + external command if it fails. + Specifying this option will suppress the message. + + + + + + + + + + + Per default pam_exec.so will log the exit status of the + external command if it fails. + Specifying this option will suppress the log message. + + + + + + + + + + + Per default pam_exec.so will execute the external command + with the real user ID of the calling process. + Specifying this option means the command is run + with the effective user ID. + + + + + + + + + + + MODULE TYPES PROVIDED + + All module types (, , + and ) are provided. + + + + + RETURN VALUES + + + + + PAM_SUCCESS + + + The external command was run successfully. + + + + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + + PAM_CONV_ERR + + + The conversation method supplied by the application + failed to obtain the username. + + + + + + PAM_INCOMPLETE + + + The conversation method supplied by the application + returned PAM_CONV_AGAIN. + + + + + + PAM_SERVICE_ERR + + + No argument or a wrong number of arguments were given. + + + + + + PAM_SYSTEM_ERR + + + A system error occurred or the command to execute failed. + + + + + + PAM_IGNORE + + + pam_setcred was called, which + does not execute the command. Or, the value given for the type= + parameter did not match the module type. + + + + + + + + + + EXAMPLES + + Add the following line to /etc/pam.d/passwd to + rebuild the NIS database after each local password change: + + password optional pam_exec.so seteuid /usr/bin/make -C /var/yp + + + This will execute the command + make -C /var/yp + with effective user ID. + + + + + SEE ALSO + + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_exec was written by Thorsten Kukuk <kukuk@thkukuk.de> and + Josh Triplett <josh@joshtriplett.org>. + + + + diff --git a/modules/pam_exec/pam_exec.c b/modules/pam_exec/pam_exec.c new file mode 100644 index 0000000..05dec16 --- /dev/null +++ b/modules/pam_exec/pam_exec.c @@ -0,0 +1,522 @@ +/* + * Copyright (c) 2006, 2008 Thorsten Kukuk + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#if defined(HAVE_CONFIG_H) +#include "config.h" +#endif + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include "pam_inline.h" + +#define ENV_ITEM(n) { (n), #n } +static struct { + int item; + const char *name; +} env_items[] = { + ENV_ITEM(PAM_SERVICE), + ENV_ITEM(PAM_USER), + ENV_ITEM(PAM_TTY), + ENV_ITEM(PAM_RHOST), + ENV_ITEM(PAM_RUSER), +}; + +/* move_fd_to_non_stdio copies the given file descriptor to something other + * than stdin, stdout, or stderr. Assumes that the caller will close all + * unwanted fds after calling. */ +static int +move_fd_to_non_stdio (pam_handle_t *pamh, int fd) +{ + while (fd < 3) + { + fd = dup(fd); + if (fd == -1) + { + int err = errno; + pam_syslog (pamh, LOG_ERR, "dup failed: %m"); + _exit (err); + } + } + return fd; +} + +static int +call_exec (const char *pam_type, pam_handle_t *pamh, + int argc, const char **argv) +{ + int debug = 0; + int call_setuid = 0; + int quiet = 0; + int quiet_log = 0; + int expose_authtok = 0; + int use_stdout = 0; + int optargc; + const char *logfile = NULL; + char authtok[PAM_MAX_RESP_SIZE] = {}; + pid_t pid; + int fds[2]; + int stdout_fds[2]; + FILE *stdout_file = NULL; + int retval; + const char *name; + + if (argc < 1) { + pam_syslog (pamh, LOG_ERR, + "This module needs at least one argument"); + return PAM_SERVICE_ERR; + } + + for (optargc = 0; optargc < argc; optargc++) + { + const char *str; + + if (argv[optargc][0] == '/') /* paths starts with / */ + break; + + if (strcasecmp (argv[optargc], "debug") == 0) + debug = 1; + else if (strcasecmp (argv[optargc], "stdout") == 0) + use_stdout = 1; + else if ((str = pam_str_skip_icase_prefix (argv[optargc], "log=")) != NULL) + logfile = str; + else if ((str = pam_str_skip_icase_prefix (argv[optargc], "type=")) != NULL) + { + if (strcmp (pam_type, str) != 0) + return PAM_IGNORE; + } + else if (strcasecmp (argv[optargc], "seteuid") == 0) + call_setuid = 1; + else if (strcasecmp (argv[optargc], "quiet") == 0) + quiet = 1; + else if (strcasecmp (argv[optargc], "quiet_log") == 0) + quiet_log = 1; + else if (strcasecmp (argv[optargc], "expose_authtok") == 0) + expose_authtok = 1; + else + break; /* Unknown option, assume program to execute. */ + } + + /* Request user name to be available. */ + + retval = pam_get_user(pamh, &name, NULL); + if (retval != PAM_SUCCESS) + { + if (retval == PAM_CONV_AGAIN) + retval = PAM_INCOMPLETE; + return retval; + } + + if (expose_authtok == 1) + { + if (strcmp (pam_type, "auth") != 0) + { + pam_syslog (pamh, LOG_ERR, + "expose_authtok not supported for type %s", pam_type); + expose_authtok = 0; + } + else + { + const void *void_pass; + + retval = pam_get_item (pamh, PAM_AUTHTOK, &void_pass); + if (retval != PAM_SUCCESS) + { + if (debug) + pam_syslog (pamh, LOG_DEBUG, + "pam_get_item (PAM_AUTHTOK) failed, return %d", + retval); + return retval; + } + else if (void_pass == NULL) + { + char *resp = NULL; + + retval = pam_prompt (pamh, PAM_PROMPT_ECHO_OFF, + &resp, _("Password: ")); + + if (retval != PAM_SUCCESS) + { + _pam_drop (resp); + if (retval == PAM_CONV_AGAIN) + retval = PAM_INCOMPLETE; + return retval; + } + + if (resp) + { + pam_set_item (pamh, PAM_AUTHTOK, resp); + strncpy (authtok, resp, sizeof(authtok) - 1); + _pam_drop (resp); + } + } + else + strncpy (authtok, void_pass, sizeof(authtok) - 1); + + if (pipe(fds) != 0) + { + pam_syslog (pamh, LOG_ERR, "Could not create pipe: %m"); + return PAM_SYSTEM_ERR; + } + } + } + + if (use_stdout) + { + if (pipe(stdout_fds) != 0) + { + pam_syslog (pamh, LOG_ERR, "Could not create pipe: %m"); + return PAM_SYSTEM_ERR; + } + stdout_file = fdopen(stdout_fds[0], "r"); + if (!stdout_file) + { + pam_syslog (pamh, LOG_ERR, "Could not fdopen pipe: %m"); + return PAM_SYSTEM_ERR; + } + } + + if (optargc >= argc) { + pam_syslog (pamh, LOG_ERR, "No path given as argument"); + return PAM_SERVICE_ERR; + } + + pid = fork(); + if (pid == -1) + return PAM_SYSTEM_ERR; + if (pid > 0) /* parent */ + { + int status = 0; + pid_t rc; + + if (expose_authtok) /* send the password to the child */ + { + if (debug) + pam_syslog (pamh, LOG_DEBUG, "send password to child"); + if (write(fds[1], authtok, strlen(authtok)) == -1) + pam_syslog (pamh, LOG_ERR, + "sending password to child failed: %m"); + + close(fds[0]); /* close here to avoid possible SIGPIPE above */ + close(fds[1]); + } + + if (use_stdout) + { + char buf[4096]; + close(stdout_fds[1]); + while (fgets(buf, sizeof(buf), stdout_file) != NULL) + { + size_t len; + len = strlen(buf); + if (buf[len-1] == '\n') + buf[len-1] = '\0'; + pam_info(pamh, "%s", buf); + } + fclose(stdout_file); + } + + while ((rc = waitpid (pid, &status, 0)) == -1 && + errno == EINTR); + if (rc == (pid_t)-1) + { + pam_syslog (pamh, LOG_ERR, "waitpid returns with -1: %m"); + return PAM_SYSTEM_ERR; + } + else if (status != 0) + { + if (WIFEXITED(status)) + { + if (!quiet_log) + pam_syslog (pamh, LOG_ERR, "%s failed: exit code %d", + argv[optargc], WEXITSTATUS(status)); + if (!quiet) + pam_error (pamh, _("%s failed: exit code %d"), + argv[optargc], WEXITSTATUS(status)); + } + else if (WIFSIGNALED(status)) + { + if (!quiet_log) + pam_syslog (pamh, LOG_ERR, "%s failed: caught signal %d%s", + argv[optargc], WTERMSIG(status), + WCOREDUMP(status) ? " (core dumped)" : ""); + if (!quiet) + pam_error (pamh, _("%s failed: caught signal %d%s"), + argv[optargc], WTERMSIG(status), + WCOREDUMP(status) ? " (core dumped)" : ""); + } + else + { + if (!quiet_log) + pam_syslog (pamh, LOG_ERR, "%s failed: unknown status 0x%x", + argv[optargc], status); + if (!quiet) + pam_error (pamh, _("%s failed: unknown status 0x%x"), + argv[optargc], status); + } + return PAM_SYSTEM_ERR; + } + return PAM_SUCCESS; + } + else /* child */ + { + char **arggv; + int i; + char **envlist, **tmp; + int envlen, nitems; + char *envstr; + enum pam_modutil_redirect_fd redirect_stdin = + expose_authtok ? PAM_MODUTIL_IGNORE_FD : PAM_MODUTIL_PIPE_FD; + enum pam_modutil_redirect_fd redirect_stdout = + (use_stdout || logfile) ? PAM_MODUTIL_IGNORE_FD : PAM_MODUTIL_NULL_FD; + + /* First, move all the pipes off of stdin, stdout, and stderr, to ensure + * that calls to dup2 won't close them. */ + + if (expose_authtok) + { + fds[0] = move_fd_to_non_stdio(pamh, fds[0]); + close(fds[1]); + } + + if (use_stdout) + { + stdout_fds[1] = move_fd_to_non_stdio(pamh, stdout_fds[1]); + close(stdout_fds[0]); + } + + /* Set up stdin. */ + + if (expose_authtok) + { + /* reopen stdin as pipe */ + if (dup2(fds[0], STDIN_FILENO) == -1) + { + int err = errno; + pam_syslog (pamh, LOG_ERR, "dup2 of STDIN failed: %m"); + _exit (err); + } + } + + /* Set up stdout. */ + + if (use_stdout) + { + if (dup2(stdout_fds[1], STDOUT_FILENO) == -1) + { + int err = errno; + pam_syslog (pamh, LOG_ERR, "dup2 to stdout failed: %m"); + _exit (err); + } + } + else if (logfile) + { + time_t tm = time (NULL); + char *buffer = NULL; + + close (STDOUT_FILENO); + if ((i = open (logfile, O_CREAT|O_APPEND|O_WRONLY, + S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH)) == -1) + { + int err = errno; + pam_syslog (pamh, LOG_ERR, "open of %s failed: %m", + logfile); + _exit (err); + } + if (i != STDOUT_FILENO) + { + if (dup2 (i, STDOUT_FILENO) == -1) + { + int err = errno; + pam_syslog (pamh, LOG_ERR, "dup2 failed: %m"); + _exit (err); + } + close (i); + } + if (asprintf (&buffer, "*** %s", ctime (&tm)) > 0) + { + pam_modutil_write (STDOUT_FILENO, buffer, strlen (buffer)); + free (buffer); + } + } + + if ((use_stdout || logfile) && + dup2 (STDOUT_FILENO, STDERR_FILENO) == -1) + { + int err = errno; + pam_syslog (pamh, LOG_ERR, "dup2 failed: %m"); + _exit (err); + } + + if (pam_modutil_sanitize_helper_fds(pamh, redirect_stdin, + redirect_stdout, redirect_stdout) < 0) + _exit(1); + + if (call_setuid) + if (setuid (geteuid ()) == -1) + { + int err = errno; + pam_syslog (pamh, LOG_ERR, "setuid(%lu) failed: %m", + (unsigned long) geteuid ()); + _exit (err); + } + + if (setsid () == -1) + { + int err = errno; + pam_syslog (pamh, LOG_ERR, "setsid failed: %m"); + _exit (err); + } + + arggv = calloc (argc + 4, sizeof (char *)); + if (arggv == NULL) + _exit (ENOMEM); + + for (i = 0; i < (argc - optargc); i++) + arggv[i] = strdup(argv[i+optargc]); + arggv[i] = NULL; + + /* + * Set up the child's environment list. It consists of the PAM + * environment, plus a few hand-picked PAM items. + */ + envlist = pam_getenvlist(pamh); + for (envlen = 0; envlist[envlen] != NULL; ++envlen) + /* nothing */ ; + nitems = PAM_ARRAY_SIZE(env_items); + /* + 2 because of PAM_TYPE and NULL entry */ + tmp = realloc(envlist, (envlen + nitems + 2) * sizeof(*envlist)); + if (tmp == NULL) + { + free(envlist); + pam_syslog (pamh, LOG_CRIT, "realloc environment failed: %m"); + _exit (ENOMEM); + } + envlist = tmp; + for (i = 0; i < nitems; ++i) + { + const void *item; + + if (pam_get_item(pamh, env_items[i].item, &item) != PAM_SUCCESS || item == NULL) + continue; + if (asprintf(&envstr, "%s=%s", env_items[i].name, (const char *)item) < 0) + { + free(envlist); + pam_syslog (pamh, LOG_CRIT, "prepare environment failed: %m"); + _exit (ENOMEM); + } + envlist[envlen++] = envstr; + envlist[envlen] = NULL; + } + + if (asprintf(&envstr, "PAM_TYPE=%s", pam_type) < 0) + { + free(envlist); + pam_syslog (pamh, LOG_CRIT, "prepare environment failed: %m"); + _exit (ENOMEM); + } + envlist[envlen++] = envstr; + envlist[envlen] = NULL; + + if (debug) + pam_syslog (pamh, LOG_DEBUG, "Calling %s ...", arggv[0]); + + execve (arggv[0], arggv, envlist); + i = errno; + pam_syslog (pamh, LOG_ERR, "execve(%s,...) failed: %m", arggv[0]); + free(envlist); + _exit (i); + } + return PAM_SYSTEM_ERR; /* will never be reached. */ +} + +int +pam_sm_authenticate (pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + return call_exec ("auth", pamh, argc, argv); +} + +int +pam_sm_setcred (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_IGNORE; +} + +/* password updating functions */ + +int +pam_sm_chauthtok(pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + if (flags & PAM_PRELIM_CHECK) + return PAM_SUCCESS; + return call_exec ("password", pamh, argc, argv); +} + +int +pam_sm_acct_mgmt(pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + return call_exec ("account", pamh, argc, argv); +} + +int +pam_sm_open_session(pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + return call_exec ("open_session", pamh, argc, argv); +} + +int +pam_sm_close_session(pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + return call_exec ("close_session", pamh, argc, argv); +} diff --git a/modules/pam_exec/tst-pam_exec b/modules/pam_exec/tst-pam_exec new file mode 100755 index 0000000..a0b0039 --- /dev/null +++ b/modules/pam_exec/tst-pam_exec @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_exec.so diff --git a/modules/pam_faildelay/Makefile.am b/modules/pam_faildelay/Makefile.am new file mode 100644 index 0000000..3a49a11 --- /dev/null +++ b/modules/pam_faildelay/Makefile.am @@ -0,0 +1,36 @@ +# +# Copyright (c) 2006, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_faildelay.8 +endif +XMLS = README.xml pam_faildelay.8.xml +dist_check_SCRIPTS = tst-pam_faildelay +TESTS = $(dist_check_SCRIPTS) $(check_PROGRAMS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_faildelay.la +pam_faildelay_la_LIBADD = $(top_builddir)/libpam/libpam.la + +check_PROGRAMS = tst-pam_faildelay-retval +tst_pam_faildelay_retval_LDADD = $(top_builddir)/libpam/libpam.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_faildelay/Makefile.in b/modules/pam_faildelay/Makefile.in new file mode 100644 index 0000000..f06712a --- /dev/null +++ b/modules/pam_faildelay/Makefile.in @@ -0,0 +1,1181 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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index 0000000..a06d7e3 --- /dev/null +++ b/modules/pam_faildelay/README @@ -0,0 +1,33 @@ +pam_faildelay — Change the delay on failure per-application + +â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â” + +DESCRIPTION + +pam_faildelay is a PAM module that can be used to set the delay on failure +per-application. + +If no delay is given, pam_faildelay will use the value of FAIL_DELAY from /etc/ +login.defs. + +OPTIONS + +debug + + Turns on debugging messages sent to syslog. + +delay=N + + Set the delay on failure to N microseconds. + +EXAMPLES + +The following example will set the delay on failure to 10 seconds: + +auth optional pam_faildelay.so delay=10000000 + + +AUTHOR + +pam_faildelay was written by Darren Tucker . + diff --git a/modules/pam_faildelay/README.xml b/modules/pam_faildelay/README.xml new file mode 100644 index 0000000..64d4acc --- /dev/null +++ b/modules/pam_faildelay/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_faildelay.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_faildelay-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_faildelay/pam_faildelay.8 b/modules/pam_faildelay/pam_faildelay.8 new file mode 100644 index 0000000..5a29b6e --- /dev/null +++ b/modules/pam_faildelay/pam_faildelay.8 @@ -0,0 +1,93 @@ +'\" t +.\" Title: pam_faildelay +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_FAILDELAY" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_faildelay \- Change the delay on failure per\-application +.SH "SYNOPSIS" +.HP \w'\fBpam_faildelay\&.so\fR\ 'u +\fBpam_faildelay\&.so\fR [debug] [delay=\fImicroseconds\fR] +.SH "DESCRIPTION" +.PP +pam_faildelay is a PAM module that can be used to set the delay on failure per\-application\&. +.PP +If no +\fBdelay\fR +is given, pam_faildelay will use the value of FAIL_DELAY from +/etc/login\&.defs\&. +.SH "OPTIONS" +.PP +\fBdebug\fR +.RS 4 +Turns on debugging messages sent to syslog\&. +.RE +.PP +\fBdelay=\fR\fB\fIN\fR\fR +.RS 4 +Set the delay on failure to N microseconds\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +Only the +\fBauth\fR +module type is provided\&. +.SH "RETURN VALUES" +.PP +PAM_IGNORE +.RS 4 +Delay was successful adjusted\&. +.RE +.PP +PAM_SYSTEM_ERR +.RS 4 +The specified delay was not valid\&. +.RE +.SH "EXAMPLES" +.PP +The following example will set the delay on failure to 10 seconds: +.sp +.if n \{\ +.RS 4 +.\} +.nf +auth optional pam_faildelay\&.so delay=10000000 + +.fi +.if n \{\ +.RE +.\} +.sp +.SH "SEE ALSO" +.PP +\fBpam_fail_delay\fR(3), +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_faildelay was written by Darren Tucker \&. diff --git a/modules/pam_faildelay/pam_faildelay.8.xml b/modules/pam_faildelay/pam_faildelay.8.xml new file mode 100644 index 0000000..5710720 --- /dev/null +++ b/modules/pam_faildelay/pam_faildelay.8.xml @@ -0,0 +1,136 @@ + + + + + + + pam_faildelay + 8 + Linux-PAM Manual + + + + pam_faildelay + Change the delay on failure per-application + + + + + pam_faildelay.so + + debug + + + delay=microseconds + + + + + + + DESCRIPTION + + + pam_faildelay is a PAM module that can be used to set + the delay on failure per-application. + + + If no is given, pam_faildelay will + use the value of FAIL_DELAY from /etc/login.defs. + + + + + + OPTIONS + + + + + + + + Turns on debugging messages sent to syslog. + + + + + + + + + + Set the delay on failure to N microseconds. + + + + + + + + MODULE TYPES PROVIDED + + Only the module type is provided. + + + + + RETURN VALUES + + + PAM_IGNORE + + + Delay was successful adjusted. + + + + + PAM_SYSTEM_ERR + + + The specified delay was not valid. + + + + + + + + EXAMPLES + + The following example will set the delay on failure to + 10 seconds: + +auth optional pam_faildelay.so delay=10000000 + + + + + + SEE ALSO + + + pam_fail_delay3 + , + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_faildelay was written by Darren Tucker <dtucker@zip.com.au>. + + + + diff --git a/modules/pam_faildelay/pam_faildelay.c b/modules/pam_faildelay/pam_faildelay.c new file mode 100644 index 0000000..02c5faf --- /dev/null +++ b/modules/pam_faildelay/pam_faildelay.c @@ -0,0 +1,138 @@ +/* + * pam_faildelay module + * + * Allows an admin to set the delay on failure per-application. + * Provides "auth" interface only. + * + * Use by putting something like this in the relevant pam config: + * auth required pam_faildelay.so delay=[microseconds] + * + * eg: + * auth required pam_faildelay.so delay=10000000 + * will set the delay on failure to 10 seconds. + * + * If no delay option was given, pam_faildelay.so will use the + * FAIL_DELAY value of /etc/login.defs. + * + * Based on pam_rootok and parts of pam_unix both by Andrew Morgan + * + * + * Copyright (c) 2006 Thorsten Kukuk + * - Rewrite to use extended PAM functions + * - Add /etc/login.defs support + * + * Portions Copyright (c) 2005 Darren Tucker . + * + * Redistribution and use in source and binary forms of, with + * or without modification, are permitted provided that the following + * conditions are met: + * + * 1. Redistributions of source code must retain any existing copyright + * notice, and this entire permission notice in its entirety, + * including the disclaimer of warranties. + * + * 2. Redistributions in binary form must reproduce all prior and current + * copyright notices, this list of conditions, and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * 3. The name of any author may not be used to endorse or promote + * products derived from this software without their specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of the + * GNU General Public License, in which case the provisions of the GNU + * GPL are required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential conflict between the GNU GPL and the + * restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR + * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#define LOGIN_DEFS "/etc/login.defs" + +/* --- authentication management functions (only) --- */ + +int pam_sm_authenticate(pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + int i, debug_flag = 0; + long int delay = -1; + + /* step through arguments */ + for (i = 0; i < argc; i++) { + if (sscanf(argv[i], "delay=%ld", &delay) == 1) { + /* sscanf did already everything necessary */ + } else if (strcmp (argv[i], "debug") == 0) + debug_flag = 1; + else + pam_syslog (pamh, LOG_ERR, "unknown option; %s", argv[i]); + } + + if (delay == -1) + { + char *endptr; + char *val = pam_modutil_search_key (pamh, LOGIN_DEFS, "FAIL_DELAY"); + const char *val_orig = val; + + if (val == NULL) + return PAM_IGNORE; + + errno = 0; + delay = strtol (val, &endptr, 10) & 0777; + if (((delay == 0) && (val_orig == endptr)) || + ((delay == LONG_MIN || delay == LONG_MAX) && (errno == ERANGE))) + { + pam_syslog (pamh, LOG_ERR, "FAIL_DELAY=%s in %s not valid", + val, LOGIN_DEFS); + free (val); + return PAM_IGNORE; + } + + free (val); + /* delay is in seconds, convert to microseconds. */ + delay *= 1000000; + } + + if (debug_flag) + pam_syslog (pamh, LOG_DEBUG, "setting fail delay to %ld", delay); + + i = pam_fail_delay(pamh, delay); + if (i == PAM_SUCCESS) + return PAM_IGNORE; + else + return i; +} + +int pam_sm_setcred(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_IGNORE; +} + +/* end of module definition */ diff --git a/modules/pam_faildelay/tst-pam_faildelay b/modules/pam_faildelay/tst-pam_faildelay new file mode 100755 index 0000000..87f7fd4 --- /dev/null +++ b/modules/pam_faildelay/tst-pam_faildelay @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_faildelay.so diff --git a/modules/pam_faildelay/tst-pam_faildelay-retval.c b/modules/pam_faildelay/tst-pam_faildelay-retval.c new file mode 100644 index 0000000..cbd8f2a --- /dev/null +++ b/modules/pam_faildelay/tst-pam_faildelay-retval.c @@ -0,0 +1,88 @@ +/* + * Check pam_faildelay return values. + * + * Copyright (c) 2020 Dmitry V. Levin + */ + +#include "test_assert.h" + +#include +#include +#include +#include +#include + +#define MODULE_NAME "pam_faildelay" +#define TEST_NAME "tst-" MODULE_NAME "-retval" + +static const char service_file[] = TEST_NAME ".service"; +static const char user_name[] = ""; +static struct pam_conv conv; + +int +main(void) +{ + pam_handle_t *pamh = NULL; + FILE *fp; + char cwd[PATH_MAX]; + + ASSERT_NE(NULL, getcwd(cwd, sizeof(cwd))); + + /* PAM_IGNORE -> PAM_PERM_DENIED */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so delay=1\n" + "account required %s/.libs/%s.so delay=1\n" + "password required %s/.libs/%s.so delay=1\n" + "session required %s/.libs/%s.so delay=1\n", + cwd, MODULE_NAME, + cwd, MODULE_NAME, + cwd, MODULE_NAME, + cwd, MODULE_NAME)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, user_name, &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_PERM_DENIED, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_PERM_DENIED, pam_setcred(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_acct_mgmt(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_open_session(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_close_session(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + /* PAM_IGNORE -> PAM_SUCCESS */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so delay=1\n" + "auth required %s/../pam_permit/.libs/pam_permit.so\n" + "account required %s/.libs/%s.so delay=1\n" + "account required %s/../pam_permit/.libs/pam_permit.so\n" + "password required %s/.libs/%s.so delay=1\n" + "password required %s/../pam_permit/.libs/pam_permit.so\n" + "session required %s/.libs/%s.so delay=1\n" + "session required %s/../pam_permit/.libs/pam_permit.so\n", + cwd, MODULE_NAME, cwd, + cwd, MODULE_NAME, cwd, + cwd, MODULE_NAME, cwd, + cwd, MODULE_NAME, cwd)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, user_name, &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SUCCESS, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_setcred(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_acct_mgmt(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_open_session(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_close_session(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(0, unlink(service_file)); + + return 0; +} diff --git a/modules/pam_faillock/Makefile.am b/modules/pam_faillock/Makefile.am new file mode 100644 index 0000000..44a4966 --- /dev/null +++ b/modules/pam_faillock/Makefile.am @@ -0,0 +1,50 @@ +# +# Copyright (c) 2005, 2006, 2007, 2009 Thorsten Kukuk +# Copyright (c) 2008, 2018, 2020 Red Hat, Inc. +# Copyright (c) 2010 Tomas Mraz +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_faillock.8 faillock.8 faillock.conf.5 +endif +XMLS = README.xml pam_faillock.8.xml faillock.8.xml faillock.conf.5.xml + +dist_check_SCRIPTS = tst-pam_faillock +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +noinst_HEADERS = faillock.h + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) + +faillock_CFLAGS = $(AM_CFLAGS) @EXE_CFLAGS@ + +pam_faillock_la_LDFLAGS = -no-undefined -avoid-version -module +pam_faillock_la_LIBADD = $(top_builddir)/libpam/libpam.la $(LIBAUDIT) +if HAVE_VERSIONING + pam_faillock_la_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +faillock_LDFLAGS = @EXE_LDFLAGS@ +faillock_LDADD = $(top_builddir)/libpam/libpam.la $(LIBAUDIT) + +dist_secureconf_DATA = faillock.conf + +securelib_LTLIBRARIES = pam_faillock.la +sbin_PROGRAMS = faillock + +pam_faillock_la_SOURCES = pam_faillock.c faillock.c +faillock_SOURCES = main.c faillock.c + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_faillock/Makefile.in b/modules/pam_faillock/Makefile.in new file mode 100644 index 0000000..9070f17 --- /dev/null +++ b/modules/pam_faillock/Makefile.in @@ -0,0 +1,1344 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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a/modules/pam_faillock/README b/modules/pam_faillock/README new file mode 100644 index 0000000..3b63c6b --- /dev/null +++ b/modules/pam_faillock/README @@ -0,0 +1,140 @@ +pam_faillock — Module counting authentication failures during a specified +interval + +â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â”â” + +DESCRIPTION + +This module maintains a list of failed authentication attempts per user during +a specified interval and locks the account in case there were more than deny +consecutive failed authentications. + +Normally, failed attempts to authenticate root will not cause the root account +to become blocked, to prevent denial-of-service: if your users aren't given +shell accounts and root may only login via su or at the machine console (not +telnet/rsh, etc), this is safe. + +OPTIONS + +{preauth|authfail|authsucc} + + This argument must be set accordingly to the position of this module + instance in the PAM stack. + + The preauth argument must be used when the module is called before the + modules which ask for the user credentials such as the password. The module + just examines whether the user should be blocked from accessing the service + in case there were anomalous number of failed consecutive authentication + attempts recently. This call is optional if authsucc is used. + + The authfail argument must be used when the module is called after the + modules which determine the authentication outcome, failed. Unless the user + is already blocked due to previous authentication failures, the module will + record the failure into the appropriate user tally file. + + The authsucc argument must be used when the module is called after the + modules which determine the authentication outcome, succeeded. Unless the + user is already blocked due to previous authentication failures, the module + will then clear the record of the failures in the respective user tally + file. Otherwise it will return authentication error. If this call is not + done, the pam_faillock will not distinguish between consecutive and + non-consecutive failed authentication attempts. The preauth call must be + used in such case. Due to complications in the way the PAM stack can be + configured it is also possible to call pam_faillock as an account module. + In such configuration the module must be also called in the preauth stage. + +conf=/path/to/config-file + + Use another configuration file instead of the default /etc/security/ + faillock.conf. + +The options for configuring the module behavior are described in the +faillock.conf(5) manual page. The options specified on the module command line +override the values from the configuration file. + +NOTES + +Configuring options on the module command line is not recommend. The /etc/ +security/faillock.conf should be used instead. + +The setup of pam_faillock in the PAM stack is different from the pam_tally2 +module setup. + +Individual files with the failure records are created as owned by the user. +This allows pam_faillock.so module to work correctly when it is called from a +screensaver. + +Note that using the module in preauth without the silent option specified in / +etc/security/faillock.conf or with requisite control field leaks an information +about existence or non-existence of a user account in the system because the +failures are not recorded for the unknown users. The message about the user +account being locked is never displayed for non-existing user accounts allowing +the adversary to infer that a particular account is not existing on a system. + +EXAMPLES + +Here are two possible configuration examples for /etc/pam.d/login. They make +pam_faillock to lock the account after 4 consecutive failed logins during the +default interval of 15 minutes. Root account will be locked as well. The +accounts will be automatically unlocked after 20 minutes. + +In the first example the module is called only in the auth phase and the module +does not print any information about the account being blocked by pam_faillock. +The preauth call can be added to tell users that their logins are blocked by +the module and also to abort the authentication without even asking for +password in such case. + +/etc/security/faillock.conf file example: + +deny=4 +unlock_time=1200 +silent + + +/etc/pam.d/config file example: + +auth required pam_securetty.so +auth required pam_env.so +auth required pam_nologin.so +# optionally call: auth requisite pam_faillock.so preauth +# to display the message about account being locked +auth [success=1 default=bad] pam_unix.so +auth [default=die] pam_faillock.so authfail +auth sufficient pam_faillock.so authsucc +auth required pam_deny.so +account required pam_unix.so +password required pam_unix.so shadow +session required pam_selinux.so close +session required pam_loginuid.so +session required pam_unix.so +session required pam_selinux.so open + + +In the second example the module is called both in the auth and account phases +and the module informs the authenticating user when the account is locked if +silent option is not specified in the faillock.conf. + +auth required pam_securetty.so +auth required pam_env.so +auth required pam_nologin.so +auth required pam_faillock.so preauth +# optionally use requisite above if you do not want to prompt for the password +# on locked accounts +auth sufficient pam_unix.so +auth [default=die] pam_faillock.so authfail +auth required pam_deny.so +account required pam_faillock.so +# if you drop the above call to pam_faillock.so the lock will be done also +# on non-consecutive authentication failures +account required pam_unix.so +password required pam_unix.so shadow +session required pam_selinux.so close +session required pam_loginuid.so +session required pam_unix.so +session required pam_selinux.so open + + +AUTHOR + +pam_faillock was written by Tomas Mraz. + diff --git a/modules/pam_faillock/README.xml b/modules/pam_faillock/README.xml new file mode 100644 index 0000000..f0654db --- /dev/null +++ b/modules/pam_faillock/README.xml @@ -0,0 +1,46 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_faillock.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_faillock-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_faillock/faillock.8 b/modules/pam_faillock/faillock.8 new file mode 100644 index 0000000..5544353 --- /dev/null +++ b/modules/pam_faillock/faillock.8 @@ -0,0 +1,78 @@ +'\" t +.\" Title: faillock +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "FAILLOCK" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +faillock \- Tool for displaying and modifying the authentication failure record files +.SH "SYNOPSIS" +.HP \w'\fBfaillock\fR\ 'u +\fBfaillock\fR [\-\-dir\ \fI/path/to/tally\-directory\fR] [\-\-user\ \fIusername\fR] [\-\-reset] +.SH "DESCRIPTION" +.PP +The +\fIpam_faillock\&.so\fR +module maintains a list of failed authentication attempts per user during a specified interval and locks the account in case there were more than +\fIdeny\fR +consecutive failed authentications\&. It stores the failure records into per\-user files in the tally directory\&. +.PP +The +\fBfaillock\fR +command is an application which can be used to examine and modify the contents of the tally files\&. It can display the recent failed authentication attempts of the +\fIusername\fR +or clear the tally files of all or individual +\fIusernames\fR\&. +.SH "OPTIONS" +.PP +\fB\-\-dir \fR\fB\fI/path/to/tally\-directory\fR\fR +.RS 4 +The directory where the user files with the failure records are kept\&. The default is +/var/run/faillock\&. +.RE +.PP +\fB\-\-user \fR\fB\fIusername\fR\fR +.RS 4 +The user whose failure records should be displayed or cleared\&. +.RE +.PP +\fB\-\-reset\fR +.RS 4 +Instead of displaying the user\*(Aqs failure records, clear them\&. +.RE +.SH "FILES" +.PP +/var/run/faillock/* +.RS 4 +the files logging the authentication failures for users +.RE +.SH "SEE ALSO" +.PP +\fBpam_faillock\fR(8), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +faillock was written by Tomas Mraz\&. diff --git a/modules/pam_faillock/faillock.8.xml b/modules/pam_faillock/faillock.8.xml new file mode 100644 index 0000000..6c20593 --- /dev/null +++ b/modules/pam_faillock/faillock.8.xml @@ -0,0 +1,123 @@ + + + + + + + faillock + 8 + Linux-PAM Manual + + + + faillock + Tool for displaying and modifying the authentication failure record files + + + + + faillock + + --dir /path/to/tally-directory + + + --user username + + + --reset + + + + + + + DESCRIPTION + + + The pam_faillock.so module maintains a list of + failed authentication attempts per user during a specified interval + and locks the account in case there were more than + deny consecutive failed authentications. + It stores the failure records into per-user files in the tally + directory. + + + The faillock command is an application which + can be used to examine and modify the contents of the + tally files. It can display the recent failed authentication + attempts of the username or clear the tally + files of all or individual usernames. + + + + + + OPTIONS + + + + + + + + The directory where the user files with the failure records are kept. The + default is /var/run/faillock. + + + + + + + + + + The user whose failure records should be displayed or cleared. + + + + + + + + + + Instead of displaying the user's failure records, clear them. + + + + + + + + FILES + + + /var/run/faillock/* + + the files logging the authentication failures for users + + + + + + + SEE ALSO + + + pam_faillock8 + , + + pam8 + + + + + + AUTHOR + + faillock was written by Tomas Mraz. + + + + diff --git a/modules/pam_faillock/faillock.c b/modules/pam_faillock/faillock.c new file mode 100644 index 0000000..091f253 --- /dev/null +++ b/modules/pam_faillock/faillock.c @@ -0,0 +1,176 @@ +/* + * Copyright (c) 2010 Tomas Mraz + * Copyright (c) 2010, 2016, 2017 Red Hat, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "faillock.h" + +#define ignore_return(x) if (1==((int)x)) {;} + +int +open_tally (const char *dir, const char *user, uid_t uid, int create) +{ + char *path; + int flags = O_RDWR; + int fd; + + if (dir == NULL || strstr(user, "../") != NULL) + /* just a defensive programming as the user must be a + * valid user on the system anyway + */ + return -1; + path = malloc(strlen(dir) + strlen(user) + 2); + if (path == NULL) + return -1; + + strcpy(path, dir); + if (*dir && dir[strlen(dir) - 1] != '/') { + strcat(path, "/"); + } + strcat(path, user); + + if (create) { + flags |= O_CREAT; + if (access(dir, F_OK) != 0) { + mkdir(dir, 0755); + } + } + + fd = open(path, flags, 0660); + + free(path); + + if (fd != -1) { + struct stat st; + + while (flock(fd, LOCK_EX) == -1 && errno == EINTR); + if (fstat(fd, &st) == 0) { + if (st.st_uid != uid) { + ignore_return(fchown(fd, uid, -1)); + } + + /* + * If umask is set to 022, as will probably in most systems, then the + * group will not be able to write to the file. So, change the file + * permissions just in case. + * Note: owners of this file are user:root, so if the permissions are + * not changed the root process writing to this file will require + * CAP_DAC_OVERRIDE. + */ + if (!(st.st_mode & S_IWGRP)) { + ignore_return(fchmod(fd, 0660)); + } + } + } + + return fd; +} + +#define CHUNK_SIZE (64 * sizeof(struct tally)) +#define MAX_RECORDS 1024 + +int +read_tally(int fd, struct tally_data *tallies) +{ + void *data = NULL, *newdata; + unsigned int count = 0; + ssize_t chunk = 0; + + do { + newdata = realloc(data, count * sizeof(struct tally) + CHUNK_SIZE); + if (newdata == NULL) { + free(data); + return -1; + } + + data = newdata; + + chunk = pam_modutil_read(fd, (char *)data + count * sizeof(struct tally), CHUNK_SIZE); + if (chunk < 0) { + free(data); + return -1; + } + + count += chunk/sizeof(struct tally); + + if (count >= MAX_RECORDS) + break; + } + while (chunk == CHUNK_SIZE); + + tallies->records = data; + tallies->count = count; + + return 0; +} + +int +update_tally(int fd, struct tally_data *tallies) +{ + void *data = tallies->records; + unsigned int count = tallies->count; + ssize_t chunk; + + if (tallies->count > MAX_RECORDS) { + data = tallies->records + (count - MAX_RECORDS); + count = MAX_RECORDS; + } + + if (lseek(fd, 0, SEEK_SET) == (off_t)-1) { + return -1; + } + + chunk = pam_modutil_write(fd, data, count * sizeof(struct tally)); + + if (chunk != (ssize_t)(count * sizeof(struct tally))) { + return -1; + } + + if (ftruncate(fd, count * sizeof(struct tally)) == -1) + return -1; + + return 0; +} diff --git a/modules/pam_faillock/faillock.conf b/modules/pam_faillock/faillock.conf new file mode 100644 index 0000000..16d93df --- /dev/null +++ b/modules/pam_faillock/faillock.conf @@ -0,0 +1,62 @@ +# Configuration for locking the user after multiple failed +# authentication attempts. +# +# The directory where the user files with the failure records are kept. +# The default is /var/run/faillock. +# dir = /var/run/faillock +# +# Will log the user name into the system log if the user is not found. +# Enabled if option is present. +# audit +# +# Don't print informative messages. +# Enabled if option is present. +# silent +# +# Don't log informative messages via syslog. +# Enabled if option is present. +# no_log_info +# +# Only track failed user authentications attempts for local users +# in /etc/passwd and ignore centralized (AD, IdM, LDAP, etc.) users. +# The `faillock` command will also no longer track user failed +# authentication attempts. Enabling this option will prevent a +# double-lockout scenario where a user is locked out locally and +# in the centralized mechanism. +# Enabled if option is present. +# local_users_only +# +# Deny access if the number of consecutive authentication failures +# for this user during the recent interval exceeds n tries. +# The default is 3. +# deny = 3 +# +# The length of the interval during which the consecutive +# authentication failures must happen for the user account +# lock out is n seconds. +# The default is 900 (15 minutes). +# fail_interval = 900 +# +# The access will be re-enabled after n seconds after the lock out. +# The value 0 has the same meaning as value `never` - the access +# will not be re-enabled without resetting the faillock +# entries by the `faillock` command. +# The default is 600 (10 minutes). +# unlock_time = 600 +# +# Root account can become locked as well as regular accounts. +# Enabled if option is present. +# even_deny_root +# +# This option implies the `even_deny_root` option. +# Allow access after n seconds to root account after the +# account is locked. In case the option is not specified +# the value is the same as of the `unlock_time` option. +# root_unlock_time = 900 +# +# If a group name is specified with this option, members +# of the group will be handled by this module the same as +# the root account (the options `even_deny_root>` and +# `root_unlock_time` will apply to them. +# By default, the option is not set. +# admin_group = diff --git a/modules/pam_faillock/faillock.conf.5 b/modules/pam_faillock/faillock.conf.5 new file mode 100644 index 0000000..7b4ddb5 --- /dev/null +++ b/modules/pam_faillock/faillock.conf.5 @@ -0,0 +1,171 @@ +'\" t +.\" Title: faillock.conf +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "FAILLOCK\&.CONF" "5" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +faillock.conf \- pam_faillock configuration file +.SH "DESCRIPTION" +.PP +\fBfaillock\&.conf\fR +provides a way to configure the default settings for locking the user after multiple failed authentication attempts\&. This file is read by the +\fIpam_faillock\fR +module and is the preferred method over configuring +\fIpam_faillock\fR +directly\&. +.PP +The file has a very simple +\fIname = value\fR +format with possible comments starting with +\fI#\fR +character\&. The whitespace at the beginning of line, end of line, and around the +\fI=\fR +sign is ignored\&. +.SH "OPTIONS" +.PP +\fBdir=\fR\fB\fI/path/to/tally\-directory\fR\fR +.RS 4 +The directory where the user files with the failure records are kept\&. The default is +/var/run/faillock\&. +.RE +.PP +\fBaudit\fR +.RS 4 +Will log the user name into the system log if the user is not found\&. +.RE +.PP +\fBsilent\fR +.RS 4 +Don\*(Aqt print informative messages to the user\&. Please note that when this option is not used there will be difference in the authentication behavior for users which exist on the system and non\-existing users\&. +.RE +.PP +\fBno_log_info\fR +.RS 4 +Don\*(Aqt log informative messages via +\fBsyslog\fR(3)\&. +.RE +.PP +\fBlocal_users_only\fR +.RS 4 +Only track failed user authentications attempts for local users in /etc/passwd and ignore centralized (AD, IdM, LDAP, etc\&.) users\&. The +\fBfaillock\fR(8) +command will also no longer track user failed authentication attempts\&. Enabling this option will prevent a double\-lockout scenario where a user is locked out locally and in the centralized mechanism\&. +.RE +.PP +\fBnodelay\fR +.RS 4 +Don\*(Aqt enforce a delay after authentication failures\&. +.RE +.PP +\fBdeny=\fR\fB\fIn\fR\fR +.RS 4 +Deny access if the number of consecutive authentication failures for this user during the recent interval exceeds +\fIn\fR\&. The default is 3\&. +.RE +.PP +\fBfail_interval=\fR\fB\fIn\fR\fR +.RS 4 +The length of the interval during which the consecutive authentication failures must happen for the user account lock out is +\fIn\fR +seconds\&. The default is 900 (15 minutes)\&. +.RE +.PP +\fBunlock_time=\fR\fB\fIn\fR\fR +.RS 4 +The access will be re\-enabled after +\fIn\fR +seconds after the lock out\&. The value 0 has the same meaning as value +\fInever\fR +\- the access will not be re\-enabled without resetting the faillock entries by the +\fBfaillock\fR(8) +command\&. The default is 600 (10 minutes)\&. +.sp +Note that the default directory that +\fIpam_faillock\fR +uses is usually cleared on system boot so the access will be also re\-enabled after system reboot\&. If that is undesirable a different tally directory must be set with the +\fBdir\fR +option\&. +.sp +Also note that it is usually undesirable to permanently lock out users as they can become easily a target of denial of service attack unless the usernames are random and kept secret to potential attackers\&. +.RE +.PP +\fBeven_deny_root\fR +.RS 4 +Root account can become locked as well as regular accounts\&. +.RE +.PP +\fBroot_unlock_time=\fR\fB\fIn\fR\fR +.RS 4 +This option implies +\fBeven_deny_root\fR +option\&. Allow access after +\fIn\fR +seconds to root account after the account is locked\&. In case the option is not specified the value is the same as of the +\fBunlock_time\fR +option\&. +.RE +.PP +\fBadmin_group=\fR\fB\fIname\fR\fR +.RS 4 +If a group name is specified with this option, members of the group will be handled by this module the same as the root account (the options +\fBeven_deny_root\fR +and +\fBroot_unlock_time\fR +will apply to them\&. By default the option is not set\&. +.RE +.SH "EXAMPLES" +.PP +/etc/security/faillock\&.conf file example: +.sp +.if n \{\ +.RS 4 +.\} +.nf +deny=4 +unlock_time=1200 +silent + +.fi +.if n \{\ +.RE +.\} +.SH "FILES" +.PP +/etc/security/faillock\&.conf +.RS 4 +the config file for custom options +.RE +.SH "SEE ALSO" +.PP +\fBfaillock\fR(8), +\fBpam_faillock\fR(8), +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_faillock was written by Tomas Mraz\&. The support for faillock\&.conf was written by Brian Ward\&. diff --git a/modules/pam_faillock/faillock.conf.5.xml b/modules/pam_faillock/faillock.conf.5.xml new file mode 100644 index 0000000..04a8410 --- /dev/null +++ b/modules/pam_faillock/faillock.conf.5.xml @@ -0,0 +1,253 @@ + + + + + + + faillock.conf + 5 + Linux-PAM Manual + + + + faillock.conf + pam_faillock configuration file + + + + + DESCRIPTION + + faillock.conf provides a way to configure the + default settings for locking the user after multiple failed authentication attempts. + This file is read by the pam_faillock module and is the + preferred method over configuring pam_faillock directly. + + + The file has a very simple name = value format with possible comments + starting with # character. The whitespace at the beginning of line, end + of line, and around the = sign is ignored. + + + + + + OPTIONS + + + + + + + + The directory where the user files with the failure records are kept. The + default is /var/run/faillock. + + + + + + + + + + Will log the user name into the system log if the user is not found. + + + + + + + + + + Don't print informative messages to the user. Please note that when + this option is not used there will be difference in the authentication + behavior for users which exist on the system and non-existing users. + + + + + + + + + + Don't log informative messages via syslog3. + + + + + + + + + + Only track failed user authentications attempts for local users + in /etc/passwd and ignore centralized (AD, IdM, LDAP, etc.) users. + The faillock8 + command will also no longer track user failed + authentication attempts. Enabling this option will prevent a + double-lockout scenario where a user is locked out locally and + in the centralized mechanism. + + + + + + + + + + Don't enforce a delay after authentication failures. + + + + + + + + + + Deny access if the number of consecutive authentication failures + for this user during the recent interval exceeds + n. The default is 3. + + + + + + + + + + The length of the interval during which the consecutive + authentication failures must happen for the user account + lock out is n seconds. + The default is 900 (15 minutes). + + + + + + + + + + The access will be re-enabled after + n seconds after the lock out. + The value 0 has the same meaning as value + never - the access + will not be re-enabled without resetting the faillock + entries by the faillock8 command. + The default is 600 (10 minutes). + + + Note that the default directory that pam_faillock + uses is usually cleared on system boot so the access will be also re-enabled + after system reboot. If that is undesirable a different tally directory + must be set with the option. + + + Also note that it is usually undesirable to permanently lock + out users as they can become easily a target of denial of service + attack unless the usernames are random and kept secret to potential + attackers. + + + + + + + + + + Root account can become locked as well as regular accounts. + + + + + + + + + + This option implies option. + Allow access after n seconds + to root account after the account is locked. In case the + option is not specified the value is the same as of the + option. + + + + + + + + + + If a group name is specified with this option, members + of the group will be handled by this module the same as + the root account (the options + and will apply to them. + By default the option is not set. + + + + + + + + EXAMPLES + + /etc/security/faillock.conf file example: + + +deny=4 +unlock_time=1200 +silent + + + + + FILES + + + /etc/security/faillock.conf + + the config file for custom options + + + + + + + SEE ALSO + + + faillock8 + , + + pam_faillock8 + , + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_faillock was written by Tomas Mraz. The support for faillock.conf was written by Brian Ward. + + + + diff --git a/modules/pam_faillock/faillock.h b/modules/pam_faillock/faillock.h new file mode 100644 index 0000000..b22a9df --- /dev/null +++ b/modules/pam_faillock/faillock.h @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2010 Tomas Mraz + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * faillock.h - authentication failure data file record structure + * + * Each record in the file represents an instance of login failure of + * the user at the recorded time. + */ + + +#ifndef _FAILLOCK_H +#define _FAILLOCK_H + +#include +#include + +#define TALLY_STATUS_VALID 0x1 /* the tally file entry is valid */ +#define TALLY_STATUS_RHOST 0x2 /* the source is rhost */ +#define TALLY_STATUS_TTY 0x4 /* the source is tty */ +/* If neither TALLY_FLAG_RHOST nor TALLY_FLAG_TTY are set the source is service. */ + +struct tally { + char source[52]; /* rhost or tty of the login failure */ + /* (not necessarily NULL terminated) */ + uint16_t reserved; /* reserved for future use */ + uint16_t status; /* record status */ + uint64_t time; /* time of the login failure */ +}; +/* 64 bytes per entry */ + +struct tally_data { + struct tally *records; /* array of tallies */ + unsigned int count; /* number of records */ +}; + +#define FAILLOCK_DEFAULT_TALLYDIR "/var/run/faillock" +#define FAILLOCK_DEFAULT_CONF "/etc/security/faillock.conf" + +int open_tally(const char *dir, const char *user, uid_t uid, int create); +int read_tally(int fd, struct tally_data *tallies); +int update_tally(int fd, struct tally_data *tallies); +#endif diff --git a/modules/pam_faillock/main.c b/modules/pam_faillock/main.c new file mode 100644 index 0000000..f62e1bb --- /dev/null +++ b/modules/pam_faillock/main.c @@ -0,0 +1,231 @@ +/* + * Copyright (c) 2010 Tomas Mraz + * Copyright (c) 2010 Red Hat, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef HAVE_LIBAUDIT +#include + +#define AUDIT_NO_ID ((unsigned int) -1) +#endif + +#include "faillock.h" + +struct options { + unsigned int reset; + const char *dir; + const char *user; + const char *progname; +}; + +static int +args_parse(int argc, char **argv, struct options *opts) +{ + int i; + memset(opts, 0, sizeof(*opts)); + + opts->dir = FAILLOCK_DEFAULT_TALLYDIR; + opts->progname = argv[0]; + + for (i = 1; i < argc; ++i) { + if (strcmp(argv[i], "--dir") == 0) { + ++i; + if (i >= argc || strlen(argv[i]) == 0) { + fprintf(stderr, "%s: No directory supplied.\n", argv[0]); + return -1; + } + opts->dir = argv[i]; + } + else if (strcmp(argv[i], "--user") == 0) { + ++i; + if (i >= argc || strlen(argv[i]) == 0) { + fprintf(stderr, "%s: No user name supplied.\n", argv[0]); + return -1; + } + opts->user = argv[i]; + } + else if (strcmp(argv[i], "--reset") == 0) { + opts->reset = 1; + } + else { + fprintf(stderr, "%s: Unknown option: %s\n", argv[0], argv[i]); + return -1; + } + } + return 0; +} + +static void +usage(const char *progname) +{ + fprintf(stderr, _("Usage: %s [--dir /path/to/tally-directory] [--user username] [--reset]\n"), + progname); +} + +static int +do_user(struct options *opts, const char *user) +{ + int fd; + int rv; + struct tally_data tallies; + struct passwd *pwd; + + pwd = getpwnam(user); + + fd = open_tally(opts->dir, user, pwd != NULL ? pwd->pw_uid : 0, 0); + + if (fd == -1) { + if (errno == ENOENT) { + return 0; + } + else { + fprintf(stderr, "%s: Error opening the tally file for %s:", + opts->progname, user); + perror(NULL); + return 3; + } + } + if (opts->reset) { +#ifdef HAVE_LIBAUDIT + int audit_fd; +#endif + + while ((rv=ftruncate(fd, 0)) == -1 && errno == EINTR); + if (rv == -1) { + fprintf(stderr, "%s: Error clearing the tally file for %s:", + opts->progname, user); + perror(NULL); +#ifdef HAVE_LIBAUDIT + } + if ((audit_fd=audit_open()) >= 0) { + audit_log_acct_message(audit_fd, AUDIT_USER_MGMT, NULL, + "faillock-reset", user, + pwd != NULL ? pwd->pw_uid : AUDIT_NO_ID, + NULL, NULL, NULL, rv == 0); + close(audit_fd); + } + if (rv == -1) { +#endif + close(fd); + return 4; + } + } + else { + unsigned int i; + + memset(&tallies, 0, sizeof(tallies)); + if (read_tally(fd, &tallies) == -1) { + fprintf(stderr, "%s: Error reading the tally file for %s:", + opts->progname, user); + perror(NULL); + close(fd); + return 5; + } + + printf("%s:\n", user); + printf("%-19s %-5s %-48s %-5s\n", "When", "Type", "Source", "Valid"); + + for (i = 0; i < tallies.count; i++) { + struct tm *tm; + char timebuf[80]; + uint16_t status = tallies.records[i].status; + time_t when = tallies.records[i].time; + + tm = localtime(&when); + strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm); + printf("%-19s %-5s %-52.52s %s\n", timebuf, + status & TALLY_STATUS_RHOST ? "RHOST" : (status & TALLY_STATUS_TTY ? "TTY" : "SVC"), + tallies.records[i].source, status & TALLY_STATUS_VALID ? "V":"I"); + } + free(tallies.records); + } + close(fd); + return 0; +} + +static int +do_allusers(struct options *opts) +{ + struct dirent **userlist; + int rv, i; + + rv = scandir(opts->dir, &userlist, NULL, alphasort); + if (rv < 0) { + fprintf(stderr, "%s: Error reading tally directory: %m\n", opts->progname); + return 2; + } + + for (i = 0; i < rv; i++) { + if (userlist[i]->d_name[0] == '.') { + if ((userlist[i]->d_name[1] == '.' && userlist[i]->d_name[2] == '\0') || + userlist[i]->d_name[1] == '\0') + continue; + } + do_user(opts, userlist[i]->d_name); + free(userlist[i]); + } + free(userlist); + + return 0; +} + + +/*-----------------------------------------------------------------------*/ +int +main (int argc, char *argv[]) +{ + struct options opts; + + if (args_parse(argc, argv, &opts)) { + usage(argv[0]); + return 1; + } + + if (opts.user == NULL) { + return do_allusers(&opts); + } + + return do_user(&opts, opts.user); +} diff --git a/modules/pam_faillock/pam_faillock.8 b/modules/pam_faillock/pam_faillock.8 new file mode 100644 index 0000000..cec02ea --- /dev/null +++ b/modules/pam_faillock/pam_faillock.8 @@ -0,0 +1,262 @@ +'\" t +.\" Title: pam_faillock +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_FAILLOCK" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_faillock \- Module counting authentication failures during a specified interval +.SH "SYNOPSIS" +.HP \w'\fBauth\ \&.\&.\&.\ pam_faillock\&.so\fR\ 'u +\fBauth \&.\&.\&. pam_faillock\&.so\fR {preauth|authfail|authsucc} [conf=\fI/path/to/config\-file\fR] [dir=\fI/path/to/tally\-directory\fR] [even_deny_root] [deny=\fIn\fR] [fail_interval=\fIn\fR] [unlock_time=\fIn\fR] [root_unlock_time=\fIn\fR] [admin_group=\fIname\fR] [audit] [silent] [no_log_info] +.HP \w'\fBaccount\ \&.\&.\&.\ pam_faillock\&.so\fR\ 'u +\fBaccount \&.\&.\&. pam_faillock\&.so\fR [dir=\fI/path/to/tally\-directory\fR] [no_log_info] +.SH "DESCRIPTION" +.PP +This module maintains a list of failed authentication attempts per user during a specified interval and locks the account in case there were more than +\fIdeny\fR +consecutive failed authentications\&. +.PP +Normally, failed attempts to authenticate +\fIroot\fR +will +\fBnot\fR +cause the root account to become blocked, to prevent denial\-of\-service: if your users aren\*(Aqt given shell accounts and root may only login via +\fBsu\fR +or at the machine console (not telnet/rsh, etc), this is safe\&. +.SH "OPTIONS" +.PP +\fB{preauth|authfail|authsucc}\fR +.RS 4 +This argument must be set accordingly to the position of this module instance in the PAM stack\&. +.sp +The +\fIpreauth\fR +argument must be used when the module is called before the modules which ask for the user credentials such as the password\&. The module just examines whether the user should be blocked from accessing the service in case there were anomalous number of failed consecutive authentication attempts recently\&. This call is optional if +\fIauthsucc\fR +is used\&. +.sp +The +\fIauthfail\fR +argument must be used when the module is called after the modules which determine the authentication outcome, failed\&. Unless the user is already blocked due to previous authentication failures, the module will record the failure into the appropriate user tally file\&. +.sp +The +\fIauthsucc\fR +argument must be used when the module is called after the modules which determine the authentication outcome, succeeded\&. Unless the user is already blocked due to previous authentication failures, the module will then clear the record of the failures in the respective user tally file\&. Otherwise it will return authentication error\&. If this call is not done, the pam_faillock will not distinguish between consecutive and non\-consecutive failed authentication attempts\&. The +\fIpreauth\fR +call must be used in such case\&. Due to complications in the way the PAM stack can be configured it is also possible to call +\fIpam_faillock\fR +as an account module\&. In such configuration the module must be also called in the +\fIpreauth\fR +stage\&. +.RE +.PP +\fBconf=/path/to/config\-file\fR +.RS 4 +Use another configuration file instead of the default +/etc/security/faillock\&.conf\&. +.RE +.PP +The options for configuring the module behavior are described in the +\fBfaillock.conf\fR(5) +manual page\&. The options specified on the module command line override the values from the configuration file\&. +.SH "MODULE TYPES PROVIDED" +.PP +The +\fBauth\fR +and +\fBaccount\fR +module types are provided\&. +.SH "RETURN VALUES" +.PP +PAM_AUTH_ERR +.RS 4 +An invalid option was given, the module was not able to retrieve the user name, no valid counter file was found, or too many failed logins\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_CONV_ERR +.RS 4 +The conversation method supplied by the application failed to obtain the username\&. +.RE +.PP +PAM_INCOMPLETE +.RS 4 +The conversation method supplied by the application returned PAM_CONV_AGAIN\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Everything was successful\&. +.RE +.PP +PAM_IGNORE +.RS 4 +User not present in passwd database\&. +.RE +.SH "NOTES" +.PP +Configuring options on the module command line is not recommend\&. The +/etc/security/faillock\&.conf +should be used instead\&. +.PP +The setup of +\fIpam_faillock\fR +in the PAM stack is different from the +\fIpam_tally2\fR +module setup\&. +.PP +Individual files with the failure records are created as owned by the user\&. This allows +\fBpam_faillock\&.so\fR +module to work correctly when it is called from a screensaver\&. +.PP +Note that using the module in +\fBpreauth\fR +without the +\fBsilent\fR +option specified in +/etc/security/faillock\&.conf +or with +\fIrequisite\fR +control field leaks an information about existence or non\-existence of a user account in the system because the failures are not recorded for the unknown users\&. The message about the user account being locked is never displayed for non\-existing user accounts allowing the adversary to infer that a particular account is not existing on a system\&. +.SH "EXAMPLES" +.PP +Here are two possible configuration examples for +/etc/pam\&.d/login\&. They make +\fIpam_faillock\fR +to lock the account after 4 consecutive failed logins during the default interval of 15 minutes\&. Root account will be locked as well\&. The accounts will be automatically unlocked after 20 minutes\&. +.PP +In the first example the module is called only in the +\fIauth\fR +phase and the module does not print any information about the account being blocked by +\fIpam_faillock\fR\&. The +\fIpreauth\fR +call can be added to tell users that their logins are blocked by the module and also to abort the authentication without even asking for password in such case\&. +.PP +/etc/security/faillock\&.conf +file example: +.sp +.if n \{\ +.RS 4 +.\} +.nf +deny=4 +unlock_time=1200 +silent + +.fi +.if n \{\ +.RE +.\} +.PP +/etc/pam\&.d/config file example: +.sp +.if n \{\ +.RS 4 +.\} +.nf +auth required pam_securetty\&.so +auth required pam_env\&.so +auth required pam_nologin\&.so +# optionally call: auth requisite pam_faillock\&.so preauth +# to display the message about account being locked +auth [success=1 default=bad] pam_unix\&.so +auth [default=die] pam_faillock\&.so authfail +auth sufficient pam_faillock\&.so authsucc +auth required pam_deny\&.so +account required pam_unix\&.so +password required pam_unix\&.so shadow +session required pam_selinux\&.so close +session required pam_loginuid\&.so +session required pam_unix\&.so +session required pam_selinux\&.so open + +.fi +.if n \{\ +.RE +.\} +.PP +In the second example the module is called both in the +\fIauth\fR +and +\fIaccount\fR +phases and the module informs the authenticating user when the account is locked if +\fBsilent\fR +option is not specified in the +faillock\&.conf\&. +.sp +.if n \{\ +.RS 4 +.\} +.nf +auth required pam_securetty\&.so +auth required pam_env\&.so +auth required pam_nologin\&.so +auth required pam_faillock\&.so preauth +# optionally use requisite above if you do not want to prompt for the password +# on locked accounts +auth sufficient pam_unix\&.so +auth [default=die] pam_faillock\&.so authfail +auth required pam_deny\&.so +account required pam_faillock\&.so +# if you drop the above call to pam_faillock\&.so the lock will be done also +# on non\-consecutive authentication failures +account required pam_unix\&.so +password required pam_unix\&.so shadow +session required pam_selinux\&.so close +session required pam_loginuid\&.so +session required pam_unix\&.so +session required pam_selinux\&.so open + +.fi +.if n \{\ +.RE +.\} +.SH "FILES" +.PP +/var/run/faillock/* +.RS 4 +the files logging the authentication failures for users +.RE +.PP +/etc/security/faillock\&.conf +.RS 4 +the config file for pam_faillock options +.RE +.SH "SEE ALSO" +.PP +\fBfaillock\fR(8), +\fBfaillock.conf\fR(5), +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_faillock was written by Tomas Mraz\&. diff --git a/modules/pam_faillock/pam_faillock.8.xml b/modules/pam_faillock/pam_faillock.8.xml new file mode 100644 index 0000000..58c1644 --- /dev/null +++ b/modules/pam_faillock/pam_faillock.8.xml @@ -0,0 +1,362 @@ + + + + + + + pam_faillock + 8 + Linux-PAM Manual + + + + pam_faillock + Module counting authentication failures during a specified interval + + + + + auth ... pam_faillock.so + + preauth|authfail|authsucc + + + conf=/path/to/config-file + + + dir=/path/to/tally-directory + + + even_deny_root + + + deny=n + + + fail_interval=n + + + unlock_time=n + + + root_unlock_time=n + + + admin_group=name + + + audit + + + silent + + + no_log_info + + + + account ... pam_faillock.so + + dir=/path/to/tally-directory + + + no_log_info + + + + + + + DESCRIPTION + + + This module maintains a list of failed authentication attempts per + user during a specified interval and locks the account in case + there were more than deny consecutive + failed authentications. + + + Normally, failed attempts to authenticate root will + not cause the root account to become + blocked, to prevent denial-of-service: if your users aren't given + shell accounts and root may only login via su or + at the machine console (not telnet/rsh, etc), this is safe. + + + + + + OPTIONS + + + + + + + + This argument must be set accordingly to the position of this module + instance in the PAM stack. + + + The preauth argument must be used when the module + is called before the modules which ask for the user credentials such + as the password. The module just examines whether the user should + be blocked from accessing the service in case there were anomalous + number of failed consecutive authentication attempts recently. This + call is optional if authsucc is used. + + + The authfail argument must be used when the module + is called after the modules which determine the authentication outcome, + failed. Unless the user is already blocked due to previous authentication + failures, the module will record the failure into the appropriate user + tally file. + + + The authsucc argument must be used when the module + is called after the modules which determine the authentication outcome, + succeeded. Unless the user is already blocked due to previous authentication + failures, the module will then clear the record of the failures in the + respective user tally file. Otherwise it will return authentication error. + If this call is not done, the pam_faillock will not distinguish between + consecutive and non-consecutive failed authentication attempts. The + preauth call must be used in such case. Due to + complications in the way the PAM stack can be configured it is also + possible to call pam_faillock as an account module. + In such configuration the module must be also called in the + preauth stage. + + + + + + + + + + Use another configuration file instead of the default + /etc/security/faillock.conf. + + + + + + The options for configuring the module behavior are described in the + faillock.conf5 + manual page. The options specified on the module command + line override the values from the configuration file. + + + + + MODULE TYPES PROVIDED + + The and module types are + provided. + + + + + RETURN VALUES + + + PAM_AUTH_ERR + + + An invalid option was given, the module was not able + to retrieve the user name, no valid counter file + was found, or too many failed logins. + + + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_CONV_ERR + + + The conversation method supplied by the application + failed to obtain the username. + + + + + PAM_INCOMPLETE + + + The conversation method supplied by the application + returned PAM_CONV_AGAIN. + + + + + PAM_SUCCESS + + + Everything was successful. + + + + + PAM_IGNORE + + + User not present in passwd database. + + + + + + + + NOTES + + Configuring options on the module command line is not recommend. The + /etc/security/faillock.conf should be used instead. + + + The setup of pam_faillock in the PAM stack is different + from the pam_tally2 module setup. + + + Individual files with the failure records are created as owned by + the user. This allows pam_faillock.so module + to work correctly when it is called from a screensaver. + + + Note that using the module in without the + option specified in /etc/security/faillock.conf + or with requisite control field leaks an information about + existence or non-existence of a user account in the system because + the failures are not recorded for the unknown users. The message + about the user account being locked is never displayed for non-existing + user accounts allowing the adversary to infer that a particular account + is not existing on a system. + + + + + EXAMPLES + + Here are two possible configuration examples for /etc/pam.d/login. + They make pam_faillock to lock the account after 4 consecutive + failed logins during the default interval of 15 minutes. Root account will be locked + as well. The accounts will be automatically unlocked after 20 minutes. + + + In the first example the module is called only in the auth + phase and the module does not print any information about the account being blocked + by pam_faillock. The preauth call can + be added to tell users that their logins are blocked by the module and also to abort + the authentication without even asking for password in such case. + + + /etc/security/faillock.conf file example: + + +deny=4 +unlock_time=1200 +silent + + + /etc/pam.d/config file example: + + +auth required pam_securetty.so +auth required pam_env.so +auth required pam_nologin.so +# optionally call: auth requisite pam_faillock.so preauth +# to display the message about account being locked +auth [success=1 default=bad] pam_unix.so +auth [default=die] pam_faillock.so authfail +auth sufficient pam_faillock.so authsucc +auth required pam_deny.so +account required pam_unix.so +password required pam_unix.so shadow +session required pam_selinux.so close +session required pam_loginuid.so +session required pam_unix.so +session required pam_selinux.so open + + + In the second example the module is called both in the auth + and account phases and the module informs the authenticating + user when the account is locked if option is not + specified in the faillock.conf. + + +auth required pam_securetty.so +auth required pam_env.so +auth required pam_nologin.so +auth required pam_faillock.so preauth +# optionally use requisite above if you do not want to prompt for the password +# on locked accounts +auth sufficient pam_unix.so +auth [default=die] pam_faillock.so authfail +auth required pam_deny.so +account required pam_faillock.so +# if you drop the above call to pam_faillock.so the lock will be done also +# on non-consecutive authentication failures +account required pam_unix.so +password required pam_unix.so shadow +session required pam_selinux.so close +session required pam_loginuid.so +session required pam_unix.so +session required pam_selinux.so open + + + + + FILES + + + /var/run/faillock/* + + the files logging the authentication failures for users + + + + /etc/security/faillock.conf + + the config file for pam_faillock options + + + + + + + SEE ALSO + + + faillock8 + , + + faillock.conf5 + , + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_faillock was written by Tomas Mraz. + + + + diff --git a/modules/pam_faillock/pam_faillock.c b/modules/pam_faillock/pam_faillock.c new file mode 100644 index 0000000..8328fba --- /dev/null +++ b/modules/pam_faillock/pam_faillock.c @@ -0,0 +1,764 @@ +/* + * Copyright (c) 2010, 2017, 2019 Tomas Mraz + * Copyright (c) 2010, 2017, 2019 Red Hat, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef HAVE_LIBAUDIT +#include +#endif + +#include +#include +#include + +#include "pam_inline.h" +#include "faillock.h" + +#define FAILLOCK_ACTION_PREAUTH 0 +#define FAILLOCK_ACTION_AUTHSUCC 1 +#define FAILLOCK_ACTION_AUTHFAIL 2 + +#define FAILLOCK_FLAG_DENY_ROOT 0x1 +#define FAILLOCK_FLAG_AUDIT 0x2 +#define FAILLOCK_FLAG_SILENT 0x4 +#define FAILLOCK_FLAG_NO_LOG_INFO 0x8 +#define FAILLOCK_FLAG_UNLOCKED 0x10 +#define FAILLOCK_FLAG_LOCAL_ONLY 0x20 +#define FAILLOCK_FLAG_NO_DELAY 0x40 + +#define MAX_TIME_INTERVAL 604800 /* 7 days */ +#define FAILLOCK_CONF_MAX_LINELEN 1023 + +static const char default_faillock_conf[] = FAILLOCK_DEFAULT_CONF; + +struct options { + unsigned int action; + unsigned int flags; + unsigned short deny; + unsigned int fail_interval; + unsigned int unlock_time; + unsigned int root_unlock_time; + char *dir; + const char *user; + char *admin_group; + int failures; + uint64_t latest_time; + uid_t uid; + int is_admin; + uint64_t now; + int fatal_error; +}; + +static int read_config_file( + pam_handle_t *pamh, + struct options *opts, + const char *cfgfile +); + +static void set_conf_opt( + pam_handle_t *pamh, + struct options *opts, + const char *name, + const char *value +); + +static int +args_parse(pam_handle_t *pamh, int argc, const char **argv, + int flags, struct options *opts) +{ + int i; + int config_arg_index = -1; + int rv; + const char *conf = default_faillock_conf; + + memset(opts, 0, sizeof(*opts)); + + opts->dir = strdup(FAILLOCK_DEFAULT_TALLYDIR); + opts->deny = 3; + opts->fail_interval = 900; + opts->unlock_time = 600; + opts->root_unlock_time = MAX_TIME_INTERVAL+1; + + for (i = 0; i < argc; ++i) { + const char *str = pam_str_skip_prefix(argv[i], "conf="); + + if (str != NULL) { + conf = str; + config_arg_index = i; + } + } + + if ((rv = read_config_file(pamh, opts, conf)) != PAM_SUCCESS) { + pam_syslog(pamh, LOG_ERR, + "Configuration file missing or broken"); + return rv; + } + + for (i = 0; i < argc; ++i) { + if (i == config_arg_index) { + continue; + } + else if (strcmp(argv[i], "preauth") == 0) { + opts->action = FAILLOCK_ACTION_PREAUTH; + } + else if (strcmp(argv[i], "authfail") == 0) { + opts->action = FAILLOCK_ACTION_AUTHFAIL; + } + else if (strcmp(argv[i], "authsucc") == 0) { + opts->action = FAILLOCK_ACTION_AUTHSUCC; + } + else { + char buf[FAILLOCK_CONF_MAX_LINELEN + 1]; + char *val; + + strncpy(buf, argv[i], sizeof(buf) - 1); + buf[sizeof(buf) - 1] = '\0'; + + val = strchr(buf, '='); + if (val != NULL) { + *val = '\0'; + ++val; + } + else { + val = buf + sizeof(buf) - 1; + } + set_conf_opt(pamh, opts, buf, val); + } + } + + if (opts->root_unlock_time == MAX_TIME_INTERVAL+1) + opts->root_unlock_time = opts->unlock_time; + if (flags & PAM_SILENT) + opts->flags |= FAILLOCK_FLAG_SILENT; + + if (opts->dir == NULL) { + pam_syslog(pamh, LOG_CRIT, "Error allocating memory: %m"); + opts->fatal_error = 1; + } + + if (opts->fatal_error) + return PAM_BUF_ERR; + return PAM_SUCCESS; +} + +/* parse a single configuration file */ +static int +read_config_file(pam_handle_t *pamh, struct options *opts, const char *cfgfile) +{ + FILE *f; + char linebuf[FAILLOCK_CONF_MAX_LINELEN+1]; + + f = fopen(cfgfile, "r"); + if (f == NULL) { + /* ignore non-existent default config file */ + if (errno == ENOENT && cfgfile == default_faillock_conf) + return PAM_SUCCESS; + return PAM_SERVICE_ERR; + } + + while (fgets(linebuf, sizeof(linebuf), f) != NULL) { + size_t len; + char *ptr; + char *name; + int eq; + + len = strlen(linebuf); + /* len cannot be 0 unless there is a bug in fgets */ + if (len && linebuf[len - 1] != '\n' && !feof(f)) { + (void) fclose(f); + return PAM_SERVICE_ERR; + } + + if ((ptr=strchr(linebuf, '#')) != NULL) { + *ptr = '\0'; + } else { + ptr = linebuf + len; + } + + /* drop terminating whitespace including the \n */ + while (ptr > linebuf) { + if (!isspace(*(ptr-1))) { + *ptr = '\0'; + break; + } + --ptr; + } + + /* skip initial whitespace */ + for (ptr = linebuf; isspace(*ptr); ptr++); + if (*ptr == '\0') + continue; + + /* grab the key name */ + eq = 0; + name = ptr; + while (*ptr != '\0') { + if (isspace(*ptr) || *ptr == '=') { + eq = *ptr == '='; + *ptr = '\0'; + ++ptr; + break; + } + ++ptr; + } + + /* grab the key value */ + while (*ptr != '\0') { + if (*ptr != '=' || eq) { + if (!isspace(*ptr)) { + break; + } + } else { + eq = 1; + } + ++ptr; + } + + /* set the key:value pair on opts */ + set_conf_opt(pamh, opts, name, ptr); + } + + (void)fclose(f); + return PAM_SUCCESS; +} + +static void +set_conf_opt(pam_handle_t *pamh, struct options *opts, const char *name, const char *value) +{ + if (strcmp(name, "dir") == 0) { + if (value[0] != '/') { + pam_syslog(pamh, LOG_ERR, + "Tally directory is not absolute path (%s); keeping default", value); + } else { + free(opts->dir); + opts->dir = strdup(value); + } + } + else if (strcmp(name, "deny") == 0) { + if (sscanf(value, "%hu", &opts->deny) != 1) { + pam_syslog(pamh, LOG_ERR, + "Bad number supplied for deny argument"); + } + } + else if (strcmp(name, "fail_interval") == 0) { + unsigned int temp; + if (sscanf(value, "%u", &temp) != 1 || + temp > MAX_TIME_INTERVAL) { + pam_syslog(pamh, LOG_ERR, + "Bad number supplied for fail_interval argument"); + } else { + opts->fail_interval = temp; + } + } + else if (strcmp(name, "unlock_time") == 0) { + unsigned int temp; + + if (strcmp(value, "never") == 0) { + opts->unlock_time = 0; + } + else if (sscanf(value, "%u", &temp) != 1 || + temp > MAX_TIME_INTERVAL) { + pam_syslog(pamh, LOG_ERR, + "Bad number supplied for unlock_time argument"); + } + else { + opts->unlock_time = temp; + } + } + else if (strcmp(name, "root_unlock_time") == 0) { + unsigned int temp; + + if (strcmp(value, "never") == 0) { + opts->root_unlock_time = 0; + } + else if (sscanf(value, "%u", &temp) != 1 || + temp > MAX_TIME_INTERVAL) { + pam_syslog(pamh, LOG_ERR, + "Bad number supplied for root_unlock_time argument"); + } else { + opts->root_unlock_time = temp; + } + } + else if (strcmp(name, "admin_group") == 0) { + free(opts->admin_group); + opts->admin_group = strdup(value); + if (opts->admin_group == NULL) { + opts->fatal_error = 1; + pam_syslog(pamh, LOG_CRIT, "Error allocating memory: %m"); + } + } + else if (strcmp(name, "even_deny_root") == 0) { + opts->flags |= FAILLOCK_FLAG_DENY_ROOT; + } + else if (strcmp(name, "audit") == 0) { + opts->flags |= FAILLOCK_FLAG_AUDIT; + } + else if (strcmp(name, "silent") == 0) { + opts->flags |= FAILLOCK_FLAG_SILENT; + } + else if (strcmp(name, "no_log_info") == 0) { + opts->flags |= FAILLOCK_FLAG_NO_LOG_INFO; + } + else if (strcmp(name, "local_users_only") == 0) { + opts->flags |= FAILLOCK_FLAG_LOCAL_ONLY; + } + else if (strcmp(name, "nodelay") == 0) { + opts->flags |= FAILLOCK_FLAG_NO_DELAY; + } + else { + pam_syslog(pamh, LOG_ERR, "Unknown option: %s", name); + } +} + +static int +check_local_user (pam_handle_t *pamh, const char *user) +{ + return pam_modutil_check_user_in_passwd(pamh, user, NULL) == PAM_SUCCESS; +} + +static int +get_pam_user(pam_handle_t *pamh, struct options *opts) +{ + const char *user; + int rv; + struct passwd *pwd; + + if ((rv=pam_get_user(pamh, &user, NULL)) != PAM_SUCCESS) { + return rv == PAM_CONV_AGAIN ? PAM_INCOMPLETE : rv; + } + + if (*user == '\0') { + return PAM_IGNORE; + } + + if ((pwd=pam_modutil_getpwnam(pamh, user)) == NULL) { + if (opts->flags & FAILLOCK_FLAG_AUDIT) { + pam_syslog(pamh, LOG_NOTICE, "User unknown: %s", user); + } + else { + pam_syslog(pamh, LOG_NOTICE, "User unknown"); + } + return PAM_IGNORE; + } + opts->user = user; + opts->uid = pwd->pw_uid; + + if (pwd->pw_uid == 0) { + opts->is_admin = 1; + return PAM_SUCCESS; + } + + if (opts->admin_group && *opts->admin_group) { + opts->is_admin = pam_modutil_user_in_group_uid_nam(pamh, + pwd->pw_uid, opts->admin_group); + } + + return PAM_SUCCESS; +} + +static int +check_tally(pam_handle_t *pamh, struct options *opts, struct tally_data *tallies, int *fd) +{ + int tfd; + unsigned int i; + uint64_t latest_time; + int failures; + + opts->now = time(NULL); + + tfd = open_tally(opts->dir, opts->user, opts->uid, 0); + + *fd = tfd; + + if (tfd == -1) { + if (errno == EACCES || errno == ENOENT) { + return PAM_SUCCESS; + } + pam_syslog(pamh, LOG_ERR, "Error opening the tally file for %s: %m", opts->user); + return PAM_SYSTEM_ERR; + } + + if (read_tally(tfd, tallies) != 0) { + pam_syslog(pamh, LOG_ERR, "Error reading the tally file for %s: %m", opts->user); + return PAM_SYSTEM_ERR; + } + + if (opts->is_admin && !(opts->flags & FAILLOCK_FLAG_DENY_ROOT)) { + return PAM_SUCCESS; + } + + latest_time = 0; + for (i = 0; i < tallies->count; i++) { + if ((tallies->records[i].status & TALLY_STATUS_VALID) && + tallies->records[i].time > latest_time) + latest_time = tallies->records[i].time; + } + + opts->latest_time = latest_time; + + failures = 0; + for (i = 0; i < tallies->count; i++) { + if ((tallies->records[i].status & TALLY_STATUS_VALID) && + latest_time - tallies->records[i].time < opts->fail_interval) { + ++failures; + } + } + + opts->failures = failures; + + if (opts->deny && failures >= opts->deny) { + if ((!opts->is_admin && opts->unlock_time && latest_time + opts->unlock_time < opts->now) || + (opts->is_admin && opts->root_unlock_time && latest_time + opts->root_unlock_time < opts->now)) { +#ifdef HAVE_LIBAUDIT + if (opts->action != FAILLOCK_ACTION_PREAUTH) { /* do not audit in preauth */ + char buf[64]; + int audit_fd; + const void *rhost = NULL, *tty = NULL; + + audit_fd = audit_open(); + /* If there is an error & audit support is in the kernel report error */ + if ((audit_fd < 0) && !(errno == EINVAL || errno == EPROTONOSUPPORT || + errno == EAFNOSUPPORT)) + return PAM_SYSTEM_ERR; + + (void)pam_get_item(pamh, PAM_TTY, &tty); + (void)pam_get_item(pamh, PAM_RHOST, &rhost); + snprintf(buf, sizeof(buf), "pam_faillock uid=%u ", opts->uid); + audit_log_user_message(audit_fd, AUDIT_RESP_ACCT_UNLOCK_TIMED, buf, + rhost, NULL, tty, 1); + } +#endif + opts->flags |= FAILLOCK_FLAG_UNLOCKED; + return PAM_SUCCESS; + } + return PAM_AUTH_ERR; + } + return PAM_SUCCESS; +} + +static void +reset_tally(pam_handle_t *pamh, struct options *opts, int *fd) +{ + int rv; + + if (*fd == -1) { + *fd = open_tally(opts->dir, opts->user, opts->uid, 1); + } + else { + while ((rv=ftruncate(*fd, 0)) == -1 && errno == EINTR); + if (rv == -1) { + pam_syslog(pamh, LOG_ERR, "Error clearing the tally file for %s: %m", opts->user); + } + } +} + +static int +write_tally(pam_handle_t *pamh, struct options *opts, struct tally_data *tallies, int *fd) +{ + struct tally *records; + unsigned int i; + int failures; + unsigned int oldest; + uint64_t oldtime; + const void *source = NULL; + + if (*fd == -1) { + *fd = open_tally(opts->dir, opts->user, opts->uid, 1); + } + if (*fd == -1) { + if (errno == EACCES) { + return PAM_SUCCESS; + } + pam_syslog(pamh, LOG_ERR, "Error opening the tally file for %s: %m", opts->user); + return PAM_SYSTEM_ERR; + } + + oldtime = 0; + oldest = 0; + failures = 0; + + for (i = 0; i < tallies->count; ++i) { + if (oldtime == 0 || tallies->records[i].time < oldtime) { + oldtime = tallies->records[i].time; + oldest = i; + } + if (opts->flags & FAILLOCK_FLAG_UNLOCKED || + opts->now - tallies->records[i].time >= opts->fail_interval ) { + tallies->records[i].status &= ~TALLY_STATUS_VALID; + } else { + ++failures; + } + } + + if (oldest >= tallies->count || (tallies->records[oldest].status & TALLY_STATUS_VALID)) { + oldest = tallies->count; + + if ((records=realloc(tallies->records, (oldest+1) * sizeof (*tallies->records))) == NULL) { + pam_syslog(pamh, LOG_CRIT, "Error allocating memory for tally records: %m"); + return PAM_BUF_ERR; + } + + ++tallies->count; + tallies->records = records; + } + + memset(&tallies->records[oldest], 0, sizeof (*tallies->records)); + + tallies->records[oldest].status = TALLY_STATUS_VALID; + if (pam_get_item(pamh, PAM_RHOST, &source) != PAM_SUCCESS || source == NULL) { + if (pam_get_item(pamh, PAM_TTY, &source) != PAM_SUCCESS || source == NULL) { + if (pam_get_item(pamh, PAM_SERVICE, &source) != PAM_SUCCESS || source == NULL) { + source = ""; + } + } + else { + tallies->records[oldest].status |= TALLY_STATUS_TTY; + } + } + else { + tallies->records[oldest].status |= TALLY_STATUS_RHOST; + } + + strncpy(tallies->records[oldest].source, source, sizeof(tallies->records[oldest].source)); + /* source does not have to be null terminated */ + + tallies->records[oldest].time = opts->now; + + ++failures; + + if (opts->deny && failures == opts->deny) { +#ifdef HAVE_LIBAUDIT + char buf[64]; + int audit_fd; + + audit_fd = audit_open(); + /* If there is an error & audit support is in the kernel report error */ + if ((audit_fd < 0) && !(errno == EINVAL || errno == EPROTONOSUPPORT || + errno == EAFNOSUPPORT)) + return PAM_SYSTEM_ERR; + + snprintf(buf, sizeof(buf), "pam_faillock uid=%u ", opts->uid); + audit_log_user_message(audit_fd, AUDIT_ANOM_LOGIN_FAILURES, buf, + NULL, NULL, NULL, 1); + + if (!opts->is_admin || (opts->flags & FAILLOCK_FLAG_DENY_ROOT)) { + audit_log_user_message(audit_fd, AUDIT_RESP_ACCT_LOCK, buf, + NULL, NULL, NULL, 1); + } + close(audit_fd); +#endif + if (!(opts->flags & FAILLOCK_FLAG_NO_LOG_INFO)) { + pam_syslog(pamh, LOG_INFO, "Consecutive login failures for user %s account temporarily locked", + opts->user); + } + } + + if (update_tally(*fd, tallies) == 0) + return PAM_SUCCESS; + + return PAM_SYSTEM_ERR; +} + +static void +faillock_message(pam_handle_t *pamh, struct options *opts) +{ + int64_t left; + + if (!(opts->flags & FAILLOCK_FLAG_SILENT)) { + if (opts->is_admin) { + left = opts->latest_time + opts->root_unlock_time - opts->now; + } + else { + left = opts->latest_time + opts->unlock_time - opts->now; + } + + pam_info(pamh, _("The account is locked due to %u failed logins."), + (unsigned int)opts->failures); + if (left > 0) { + left = (left + 59)/60; /* minutes */ + +#if defined HAVE_DNGETTEXT && defined ENABLE_NLS + pam_info( + pamh, + dngettext(PACKAGE, + "(%d minute left to unlock)", + "(%d minutes left to unlock)", + (int)left), + (int)left); +#else + if (left == 1) + pam_info(pamh, _("(%d minute left to unlock)"), (int)left); + else + /* TRANSLATORS: only used if dngettext is not supported. */ + pam_info(pamh, _("(%d minutes left to unlock)"), (int)left); +#endif + } + } +} + +static void +tally_cleanup(struct tally_data *tallies, int fd) +{ + if (fd != -1) { + close(fd); + } + + free(tallies->records); +} + +static void +opts_cleanup(struct options *opts) +{ + free(opts->dir); + free(opts->admin_group); +} + +/*---------------------------------------------------------------------*/ + +int +pam_sm_authenticate(pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + struct options opts; + int rv, fd = -1; + struct tally_data tallies; + + memset(&tallies, 0, sizeof(tallies)); + + rv = args_parse(pamh, argc, argv, flags, &opts); + if (rv != PAM_SUCCESS) + goto err; + + if (!(opts.flags & FAILLOCK_FLAG_NO_DELAY)) { + pam_fail_delay(pamh, 2000000); /* 2 sec delay on failure */ + } + + if ((rv=get_pam_user(pamh, &opts)) != PAM_SUCCESS) { + goto err; + } + + if (!(opts.flags & FAILLOCK_FLAG_LOCAL_ONLY) || + check_local_user (pamh, opts.user) != 0) { + switch (opts.action) { + case FAILLOCK_ACTION_PREAUTH: + rv = check_tally(pamh, &opts, &tallies, &fd); + if (rv == PAM_AUTH_ERR && !(opts.flags & FAILLOCK_FLAG_SILENT)) { + faillock_message(pamh, &opts); + } + break; + + case FAILLOCK_ACTION_AUTHSUCC: + rv = check_tally(pamh, &opts, &tallies, &fd); + if (rv == PAM_SUCCESS) { + reset_tally(pamh, &opts, &fd); + } + break; + + case FAILLOCK_ACTION_AUTHFAIL: + rv = check_tally(pamh, &opts, &tallies, &fd); + if (rv == PAM_SUCCESS) { + rv = PAM_IGNORE; /* this return value should be ignored */ + write_tally(pamh, &opts, &tallies, &fd); + } + break; + } + } + + tally_cleanup(&tallies, fd); + +err: + opts_cleanup(&opts); + + return rv; +} + +/*---------------------------------------------------------------------*/ + +int +pam_sm_setcred(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_SUCCESS; +} + +/*---------------------------------------------------------------------*/ + +int +pam_sm_acct_mgmt(pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + struct options opts; + int rv, fd = -1; + struct tally_data tallies; + + memset(&tallies, 0, sizeof(tallies)); + + rv = args_parse(pamh, argc, argv, flags, &opts); + + if (rv != PAM_SUCCESS) + goto err; + + opts.action = FAILLOCK_ACTION_AUTHSUCC; + + if ((rv=get_pam_user(pamh, &opts)) != PAM_SUCCESS) { + goto err; + } + + if (!(opts.flags & FAILLOCK_FLAG_LOCAL_ONLY) || + check_local_user (pamh, opts.user) != 0) { + check_tally(pamh, &opts, &tallies, &fd); /* for auditing */ + reset_tally(pamh, &opts, &fd); + } + + tally_cleanup(&tallies, fd); + +err: + opts_cleanup(&opts); + + return rv; +} + +/*-----------------------------------------------------------------------*/ diff --git a/modules/pam_faillock/tst-pam_faillock b/modules/pam_faillock/tst-pam_faillock new file mode 100755 index 0000000..ec454c2 --- /dev/null +++ b/modules/pam_faillock/tst-pam_faillock @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_faillock.so diff --git a/modules/pam_filter/Makefile.am b/modules/pam_filter/Makefile.am new file mode 100644 index 0000000..4d75e84 --- /dev/null +++ b/modules/pam_filter/Makefile.am @@ -0,0 +1,37 @@ +# +# Copyright (c) 2005, 2006, 2007, 2009 Thorsten Kukuk +# + +SUBDIRS = upperLOWER + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_filter.8 +endif +XMLS = README.xml pam_filter.8.xml +dist_check_SCRIPTS = tst-pam_filter +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +include_HEADERS=pam_filter.h +pam_filter_la_LIBADD = $(top_builddir)/libpam/libpam.la + +securelib_LTLIBRARIES = pam_filter.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_filter/Makefile.in b/modules/pam_filter/Makefile.in new file mode 100644 index 0000000..76b1765 --- /dev/null +++ b/modules/pam_filter/Makefile.in @@ -0,0 +1,1294 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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It is only +suitable for tty-based and (stdin/stdout) applications. + +To function this module requires filters to be installed on the system. The +single filter provided with the module simply transposes upper and lower case +letters in the input and output streams. (This can be very annoying and is not +kind to termcap based editors). + +Each component of the module has the potential to invoke the desired filter. +The filter is always execv(2) with the privilege of the calling application and +not that of the user. For this reason it cannot usually be killed by the user +without closing their session. + +OPTIONS + +debug + + Print debug information. + +new_term + + The default action of the filter is to set the PAM_TTY item to indicate the + terminal that the user is using to connect to the application. This + argument indicates that the filter should set PAM_TTY to the filtered + pseudo-terminal. + +non_term + + don't try to set the PAM_TTY item. + +runX + + In order that the module can invoke a filter it should know when to invoke + it. This argument is required to tell the filter when to do this. + + Permitted values for X are 1 and 2. These indicate the precise time that + the filter is to be run. To understand this concept it will be useful to + have read the pam(3) manual page. Basically, for each management group + there are up to two ways of calling the module's functions. In the case of + the authentication and session components there are actually two separate + functions. For the case of authentication, these functions are + pam_authenticate(3) and pam_setcred(3), here run1 means run the filter from + the pam_authenticate function and run2 means run the filter from + pam_setcred. In the case of the session modules, run1 implies that the + filter is invoked at the pam_open_session(3) stage, and run2 for + pam_close_session(3). + + For the case of the account component. Either run1 or run2 may be used. + + For the case of the password component, run1 is used to indicate that the + filter is run on the first occasion of pam_chauthtok(3) (the + PAM_PRELIM_CHECK phase) and run2 is used to indicate that the filter is run + on the second occasion (the PAM_UPDATE_AUTHTOK phase). + +filter + + The full pathname of the filter to be run and any command line arguments + that the filter might expect. + +EXAMPLES + +Add the following line to /etc/pam.d/login to see how to configure login to +transpose upper and lower case letters once the user has logged in: + + session required pam_filter.so run1 /lib/security/pam_filter/upperLOWER + + +AUTHOR + +pam_filter was written by Andrew G. Morgan . + diff --git a/modules/pam_filter/README.xml b/modules/pam_filter/README.xml new file mode 100644 index 0000000..b76cb74 --- /dev/null +++ b/modules/pam_filter/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_filter.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_filter-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_filter/pam_filter.8 b/modules/pam_filter/pam_filter.8 new file mode 100644 index 0000000..d804faf --- /dev/null +++ b/modules/pam_filter/pam_filter.8 @@ -0,0 +1,172 @@ +'\" t +.\" Title: pam_filter +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_FILTER" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_filter \- PAM filter module +.SH "SYNOPSIS" +.HP \w'\fBpam_filter\&.so\fR\ 'u +\fBpam_filter\&.so\fR [debug] [new_term] [non_term] run1|run2 \fIfilter\fR [\fI\&.\&.\&.\fR] +.SH "DESCRIPTION" +.PP +This module is intended to be a platform for providing access to all of the input/output that passes between the user and the application\&. It is only suitable for tty\-based and (stdin/stdout) applications\&. +.PP +To function this module requires +\fIfilters\fR +to be installed on the system\&. The single filter provided with the module simply transposes upper and lower case letters in the input and output streams\&. (This can be very annoying and is not kind to termcap based editors)\&. +.PP +Each component of the module has the potential to invoke the desired filter\&. The filter is always +\fBexecv\fR(2) +with the privilege of the calling application and +\fInot\fR +that of the user\&. For this reason it cannot usually be killed by the user without closing their session\&. +.SH "OPTIONS" +.PP +.PP +\fBdebug\fR +.RS 4 +Print debug information\&. +.RE +.PP +\fBnew_term\fR +.RS 4 +The default action of the filter is to set the +\fIPAM_TTY\fR +item to indicate the terminal that the user is using to connect to the application\&. This argument indicates that the filter should set +\fIPAM_TTY\fR +to the filtered pseudo\-terminal\&. +.RE +.PP +\fBnon_term\fR +.RS 4 +don\*(Aqt try to set the +\fIPAM_TTY\fR +item\&. +.RE +.PP +\fBrunX\fR +.RS 4 +In order that the module can invoke a filter it should know when to invoke it\&. This argument is required to tell the filter when to do this\&. +.sp +Permitted values for +\fIX\fR +are +\fI1\fR +and +\fI2\fR\&. These indicate the precise time that the filter is to be run\&. To understand this concept it will be useful to have read the +\fBpam\fR(3) +manual page\&. Basically, for each management group there are up to two ways of calling the module\*(Aqs functions\&. In the case of the +\fIauthentication\fR +and +\fIsession\fR +components there are actually two separate functions\&. For the case of authentication, these functions are +\fBpam_authenticate\fR(3) +and +\fBpam_setcred\fR(3), here +\fBrun1\fR +means run the filter from the +\fBpam_authenticate\fR +function and +\fBrun2\fR +means run the filter from +\fBpam_setcred\fR\&. In the case of the session modules, +\fIrun1\fR +implies that the filter is invoked at the +\fBpam_open_session\fR(3) +stage, and +\fIrun2\fR +for +\fBpam_close_session\fR(3)\&. +.sp +For the case of the account component\&. Either +\fIrun1\fR +or +\fIrun2\fR +may be used\&. +.sp +For the case of the password component, +\fIrun1\fR +is used to indicate that the filter is run on the first occasion of +\fBpam_chauthtok\fR(3) +(the +\fIPAM_PRELIM_CHECK\fR +phase) and +\fIrun2\fR +is used to indicate that the filter is run on the second occasion (the +\fIPAM_UPDATE_AUTHTOK\fR +phase)\&. +.RE +.PP +\fBfilter\fR +.RS 4 +The full pathname of the filter to be run and any command line arguments that the filter might expect\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +All module types (\fBauth\fR, +\fBaccount\fR, +\fBpassword\fR +and +\fBsession\fR) are provided\&. +.SH "RETURN VALUES" +.PP +.PP +PAM_SUCCESS +.RS 4 +The new filter was set successfully\&. +.RE +.PP +PAM_ABORT +.RS 4 +Critical error, immediate abort\&. +.RE +.SH "EXAMPLES" +.PP +Add the following line to +/etc/pam\&.d/login +to see how to configure login to transpose upper and lower case letters once the user has logged in: +.sp +.if n \{\ +.RS 4 +.\} +.nf + session required pam_filter\&.so run1 /lib/security/pam_filter/upperLOWER + +.fi +.if n \{\ +.RE +.\} +.sp +.SH "SEE ALSO" +.PP +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_filter was written by Andrew G\&. Morgan \&. diff --git a/modules/pam_filter/pam_filter.8.xml b/modules/pam_filter/pam_filter.8.xml new file mode 100644 index 0000000..7309c35 --- /dev/null +++ b/modules/pam_filter/pam_filter.8.xml @@ -0,0 +1,261 @@ + + + + + + + pam_filter + 8 + Linux-PAM Manual + + + + pam_filter + PAM filter module + + + + + pam_filter.so + + debug + + + new_term + + + non_term + + + run1|run2 + + + filter + + + ... + + + + + + + DESCRIPTION + + + This module is intended to be a platform for providing access to all + of the input/output that passes between the user and the application. + It is only suitable for tty-based and (stdin/stdout) applications. + + + To function this module requires filters to be + installed on the system. + The single filter provided with the module simply transposes upper and + lower case letters in the input and output streams. (This can be very + annoying and is not kind to termcap based editors). + + + Each component of the module has the potential to invoke the + desired filter. The filter is always + + execv2 + with the privilege of the calling application + and not that of the user. For this reason it + cannot usually be killed by the user without closing their session. + + + + + + OPTIONS + + + + + + + + + + Print debug information. + + + + + + + + + + + The default action of the filter is to set the + PAM_TTY item to indicate the + terminal that the user is using to connect to the + application. This argument indicates that the filter + should set PAM_TTY to the filtered + pseudo-terminal. + + + + + + + + + + + don't try to set the PAM_TTY item. + + + + + + + + + + + In order that the module can invoke a filter it should + know when to invoke it. This argument is required to tell + the filter when to do this. + + + Permitted values for X are + 1 and 2. These + indicate the precise time that the filter is to be run. + To understand this concept it will be useful to have read + the + pam3 + manual page. + Basically, for each management group there are up to two ways + of calling the module's functions. + In the case of the authentication and + session components there are actually + two separate functions. For the case of authentication, these + functions are + + pam_authenticate3 + and + + pam_setcred3 + , here means run the + filter from the pam_authenticate function + and means run the filter from + pam_setcred. In the case of the + session modules, run1 implies + that the filter is invoked at the + + pam_open_session3 + stage, and run2 for + + pam_close_session3 + . + + + For the case of the account component. Either + run1 or run2 + may be used. + + + For the case of the password component, run1 + is used to indicate that the filter is run on the first + occasion of + + pam_chauthtok3 + (the PAM_PRELIM_CHECK + phase) and run2 is used to indicate + that the filter is run on the second occasion (the + PAM_UPDATE_AUTHTOK phase). + + + + + + + + + + + + The full pathname of the filter to be run and any command line + arguments that the filter might expect. + + + + + + + + + + MODULE TYPES PROVIDED + + All module types (, , + and ) are provided. + + + + + RETURN VALUES + + + + + PAM_SUCCESS + + + The new filter was set successfully. + + + + + + PAM_ABORT + + + Critical error, immediate abort. + + + + + + + + + + EXAMPLES + + Add the following line to /etc/pam.d/login to + see how to configure login to transpose upper and lower case letters + once the user has logged in: + + + session required pam_filter.so run1 /lib/security/pam_filter/upperLOWER + + + + + + SEE ALSO + + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_filter was written by Andrew G. Morgan <morgan@kernel.org>. + + + + diff --git a/modules/pam_filter/pam_filter.c b/modules/pam_filter/pam_filter.c new file mode 100644 index 0000000..6e6def3 --- /dev/null +++ b/modules/pam_filter/pam_filter.c @@ -0,0 +1,714 @@ +/* + * pam_filter module + * + * written by Andrew Morgan with much help from + * Richard Stevens' UNIX Network Programming book. + */ + +#include "config.h" + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include +#include +#include "pam_filter.h" + +/* ------ some tokens used for convenience throughout this file ------- */ + +#define FILTER_DEBUG 01 +#define FILTER_RUN1 02 +#define FILTER_RUN2 04 +#define NEW_TERM 010 +#define NON_TERM 020 + +/* -------------------------------------------------------------------- */ + +/* log errors */ + +#include + +#define DEV_PTMX "/dev/ptmx" + +static int +master (void) +{ + int fd; + + if ((fd = open(DEV_PTMX, O_RDWR)) >= 0) { + return fd; + } + + return -1; +} + +static int process_args(pam_handle_t *pamh + , int argc, const char **argv, const char *type + , char ***evp, const char **filtername) +{ + int ctrl=0; + + while (argc-- > 0) { + if (strcmp("debug",*argv) == 0) { + ctrl |= FILTER_DEBUG; + } else if (strcmp("new_term",*argv) == 0) { + ctrl |= NEW_TERM; + } else if (strcmp("non_term",*argv) == 0) { + ctrl |= NON_TERM; + } else if (strcmp("run1",*argv) == 0) { + ctrl |= FILTER_RUN1; + if (argc <= 0) { + pam_syslog(pamh, LOG_ERR, "no run filter supplied"); + } else + break; + } else if (strcmp("run2",*argv) == 0) { + ctrl |= FILTER_RUN2; + if (argc <= 0) { + pam_syslog(pamh, LOG_ERR, "no run filter supplied"); + } else + break; + } else { + pam_syslog(pamh, LOG_ERR, "unrecognized option: %s", *argv); + } + ++argv; /* step along list */ + } + + if (argc < 0) { + /* there was no reference to a filter */ + *filtername = NULL; + *evp = NULL; + } else { + char **levp; + const char *user = NULL; + const void *tmp; + int i,size, retval; + + *filtername = *++argv; + if (ctrl & FILTER_DEBUG) { + pam_syslog(pamh, LOG_DEBUG, "will run filter %s", *filtername); + } + + levp = (char **) malloc(5*sizeof(char *)); + if (levp == NULL) { + pam_syslog(pamh, LOG_CRIT, "no memory for environment of filter"); + return -1; + } + + /* the "ARGS" variable */ + +#define ARGS_NAME "ARGS=" +#define ARGS_OFFSET (sizeof(ARGS_NAME) - 1) + + size = sizeof(ARGS_NAME); + + for (i=0; i terminate */ + + /* the "USER" variable */ + +#define USER_NAME "USER=" +#define USER_OFFSET (sizeof(USER_NAME) - 1) + + if (pam_get_user(pamh, &user, NULL) != PAM_SUCCESS) { + user = ""; + } + size = USER_OFFSET+strlen(user); + + levp[2] = (char *) malloc(size+1); + if (levp[2] == NULL) { + pam_syslog(pamh, LOG_CRIT, "no memory for user's name"); + if (levp) { + free(levp[1]); + free(levp[0]); + free(levp); + } + return -1; + } + + strcpy(levp[2], USER_NAME); + strcpy(levp[2]+USER_OFFSET, user); + levp[2][size] = '\0'; /* terminate */ + + /* the "USER" variable */ + +#define TYPE_NAME "TYPE=" +#define TYPE_OFFSET (sizeof(TYPE_NAME) - 1) + + size = TYPE_OFFSET+strlen(type); + + levp[3] = (char *) malloc(size+1); + if (levp[3] == NULL) { + pam_syslog(pamh, LOG_CRIT, "no memory for type"); + if (levp) { + free(levp[2]); + free(levp[1]); + free(levp[0]); + free(levp); + } + return -1; + } + + strcpy(levp[3], TYPE_NAME); + strcpy(levp[3]+TYPE_OFFSET, type); + levp[3][size] = '\0'; /* terminate */ + + levp[4] = NULL; /* end list */ + + *evp = levp; + } + + if ((ctrl & FILTER_DEBUG) && *filtername) { + char **e; + + pam_syslog(pamh, LOG_DEBUG, "filter[%s]: %s", type, *filtername); + pam_syslog(pamh, LOG_DEBUG, "environment:"); + for (e=*evp; e && *e; ++e) { + pam_syslog(pamh, LOG_DEBUG, " %s", *e); + } + } + + return ctrl; +} + +static void free_evp(char *evp[]) +{ + int i; + + if (evp) + for (i=0; i<4; ++i) { + if (evp[i]) + free(evp[i]); + } + free(evp); +} + +static int +set_filter (pam_handle_t *pamh, int flags UNUSED, int ctrl, + char * const evp[], const char *filtername) +{ + int status=-1; + char* terminal = NULL; + struct termios stored_mode; /* initial terminal mode settings */ + int fd[2], child=0, child2=0, aterminal; + + if (filtername == NULL || *filtername != '/') { + pam_syslog(pamh, LOG_ERR, + "filtername not permitted; full pathname required"); + return PAM_ABORT; + } + + if (!isatty(STDIN_FILENO) || !isatty(STDOUT_FILENO)) { + aterminal = 0; + } else { + aterminal = 1; + } + + if (aterminal) { + + /* open the master pseudo terminal */ + + fd[0] = master(); + if (fd[0] < 0) { + pam_syslog(pamh, LOG_CRIT, "no master terminal"); + return PAM_AUTH_ERR; + } + + /* set terminal into raw mode.. remember old mode so that we can + revert to it after the child has quit. */ + + /* this is termios terminal handling... */ + + if ( tcgetattr(STDIN_FILENO, &stored_mode) < 0 ) { + pam_syslog(pamh, LOG_CRIT, "couldn't copy terminal mode: %m"); + /* in trouble, so close down */ + close(fd[0]); + return PAM_ABORT; + } else { + struct termios t_mode = stored_mode; + + t_mode.c_iflag = 0; /* no input control */ + t_mode.c_oflag &= ~OPOST; /* no output post processing */ + + /* no signals, canonical input, echoing, upper/lower output */ +#ifdef XCASE + t_mode.c_lflag &= ~(XCASE); +#endif + t_mode.c_lflag &= ~(ISIG|ICANON|ECHO); + t_mode.c_cflag &= ~(CSIZE|PARENB); /* no parity */ + t_mode.c_cflag |= CS8; /* 8 bit chars */ + + t_mode.c_cc[VMIN] = 1; /* number of chars to satisfy a read */ + t_mode.c_cc[VTIME] = 0; /* 0/10th second for chars */ + + if ( tcsetattr(STDIN_FILENO, TCSAFLUSH, &t_mode) < 0 ) { + pam_syslog(pamh, LOG_ERR, + "couldn't put terminal in RAW mode: %m"); + close(fd[0]); + return PAM_ABORT; + } + + /* + * NOTE: Unlike the stream socket case here the child + * opens the slave terminal as fd[1] *after* the fork... + */ + } + } else { + + /* + * not a terminal line so just open a stream socket fd[0-1] + * both set... + */ + + if ( socketpair(AF_UNIX, SOCK_STREAM, 0, fd) < 0 ) { + pam_syslog(pamh, LOG_ERR, "couldn't open a stream pipe: %m"); + return PAM_ABORT; + } + } + + /* start child process */ + + if ( (child = fork()) < 0 ) { + + pam_syslog(pamh, LOG_ERR, "first fork failed: %m"); + if (aterminal) { + (void) tcsetattr(STDIN_FILENO, TCSAFLUSH, &stored_mode); + close(fd[0]); + } else { + /* Socket pair */ + close(fd[0]); + close(fd[1]); + } + + return PAM_AUTH_ERR; + } + + if ( child == 0 ) { /* child process *is* application */ + + if (aterminal) { + + /* close the controlling tty */ + +#if defined(__hpux) && defined(O_NOCTTY) + int t = open("/dev/tty", O_RDWR|O_NOCTTY); +#else + int t = open("/dev/tty",O_RDWR); + if (t >= 0) { + (void) ioctl(t, TIOCNOTTY, NULL); + close(t); + } +#endif /* defined(__hpux) && defined(O_NOCTTY) */ + + /* make this process it's own process leader */ + if (setsid() == -1) { + pam_syslog(pamh, LOG_ERR, + "child cannot become new session: %m"); + return PAM_ABORT; + } + + /* grant slave terminal */ + if (grantpt (fd[0]) < 0) { + pam_syslog(pamh, LOG_ERR, "Cannot grant access to slave terminal"); + return PAM_ABORT; + } + + /* unlock slave terminal */ + if (unlockpt (fd[0]) < 0) { + pam_syslog(pamh, LOG_ERR, "Cannot unlock slave terminal"); + return PAM_ABORT; + } + + /* find slave's name */ + terminal = ptsname(fd[0]); /* returned value should not be freed */ + + if (terminal == NULL) { + pam_syslog(pamh, LOG_ERR, + "Cannot get the name of the slave terminal: %m"); + return PAM_ABORT; + } + + fd[1] = open(terminal, O_RDWR); + close(fd[0]); /* process is the child -- uses line fd[1] */ + + if (fd[1] < 0) { + pam_syslog(pamh, LOG_ERR, + "cannot open slave terminal: %s: %m", terminal); + return PAM_ABORT; + } + + /* initialize the child's terminal to be the way the + parent's was before we set it into RAW mode */ + + if ( tcsetattr(fd[1], TCSANOW, &stored_mode) < 0 ) { + pam_syslog(pamh, LOG_ERR, + "cannot set slave terminal mode: %s: %m", terminal); + close(fd[1]); + return PAM_ABORT; + } + } else { + + /* nothing to do for a simple stream socket */ + + } + + /* re-assign the stdin/out to fd[1] <- (talks to filter). */ + + if ( dup2(fd[1],STDIN_FILENO) != STDIN_FILENO || + dup2(fd[1],STDOUT_FILENO) != STDOUT_FILENO || + dup2(fd[1],STDERR_FILENO) != STDERR_FILENO ) { + pam_syslog(pamh, LOG_ERR, + "unable to re-assign STDIN/OUT/ERR: %m"); + close(fd[1]); + return PAM_ABORT; + } + + /* make sure that file descriptors survive 'exec's */ + + if ( fcntl(STDIN_FILENO, F_SETFD, 0) || + fcntl(STDOUT_FILENO,F_SETFD, 0) || + fcntl(STDERR_FILENO,F_SETFD, 0) ) { + pam_syslog(pamh, LOG_ERR, + "unable to re-assign STDIN/OUT/ERR: %m"); + return PAM_ABORT; + } + + /* now the user input is read from the parent/filter: forget fd */ + + close(fd[1]); + + /* the current process is now apparently working with filtered + stdio/stdout/stderr --- success! */ + + return PAM_SUCCESS; + } + + /* Clear out passwords... there is a security problem here in + * that this process never executes pam_end. Consequently, any + * other sensitive data in this process is *not* explicitly + * overwritten, before the process terminates */ + + (void) pam_set_item(pamh, PAM_AUTHTOK, NULL); + (void) pam_set_item(pamh, PAM_OLDAUTHTOK, NULL); + + /* fork a copy of process to run the actual filter executable */ + + if ( (child2 = fork()) < 0 ) { + + pam_syslog(pamh, LOG_ERR, "filter fork failed: %m"); + child2 = 0; + + } else if ( child2 == 0 ) { /* exec the child filter */ + + if ( dup2(fd[0],APPIN_FILENO) != APPIN_FILENO || + dup2(fd[0],APPOUT_FILENO) != APPOUT_FILENO || + dup2(fd[0],APPERR_FILENO) != APPERR_FILENO ) { + pam_syslog(pamh, LOG_ERR, + "unable to re-assign APPIN/OUT/ERR: %m"); + close(fd[0]); + _exit(1); + } + + /* make sure that file descriptors survive 'exec's */ + + if ( fcntl(APPIN_FILENO, F_SETFD, 0) == -1 || + fcntl(APPOUT_FILENO,F_SETFD, 0) == -1 || + fcntl(APPERR_FILENO,F_SETFD, 0) == -1 ) { + pam_syslog(pamh, LOG_ERR, + "unable to retain APPIN/OUT/ERR: %m"); + close(APPIN_FILENO); + close(APPOUT_FILENO); + close(APPERR_FILENO); + _exit(1); + } + + /* now the user input is read from the parent through filter */ + + execle(filtername, "", NULL, evp); + + /* getting to here is an error */ + + pam_syslog(pamh, LOG_ERR, "filter: %s: %m", filtername); + _exit(1); + + } else { /* wait for either of the two children to exit */ + + while (child && child2) { /* loop if there are two children */ + int lstatus=0; + int chid; + + chid = wait(&lstatus); + if (chid == child) { + + if (WIFEXITED(lstatus)) { /* exited ? */ + status = WEXITSTATUS(lstatus); + } else if (WIFSIGNALED(lstatus)) { /* killed ? */ + status = -1; + } else + continue; /* just stopped etc.. */ + child = 0; /* the child has exited */ + + } else if (chid == child2) { + /* + * if the filter has exited. Let the child die + * naturally below + */ + if (WIFEXITED(lstatus) || WIFSIGNALED(lstatus)) + child2 = 0; + } else { + + pam_syslog(pamh, LOG_ERR, + "programming error " + "in file %s at line %d", + chid, lstatus, __FILE__, __LINE__); + child = child2 = 0; + status = -1; + + } + } + } + + close(fd[0]); + + /* if there is something running, wait for it to exit */ + + while (child || child2) { + int lstatus=0; + int chid; + + chid = wait(&lstatus); + + if (child && chid == child) { + + if (WIFEXITED(lstatus)) { /* exited ? */ + status = WEXITSTATUS(lstatus); + } else if (WIFSIGNALED(lstatus)) { /* killed ? */ + status = -1; + } else + continue; /* just stopped etc.. */ + child = 0; /* the child has exited */ + + } else if (child2 && chid == child2) { + + if (WIFEXITED(lstatus) || WIFSIGNALED(lstatus)) + child2 = 0; + + } else { + + pam_syslog(pamh, LOG_ERR, + "programming error " + "in file %s at line %d", + chid, lstatus, __FILE__, __LINE__); + child = child2 = 0; + status = -1; + + } + } + + if (aterminal) { + /* reset to initial terminal mode */ + (void) tcsetattr(STDIN_FILENO, TCSANOW, &stored_mode); + } + + if (ctrl & FILTER_DEBUG) { + pam_syslog(pamh, LOG_DEBUG, "parent process exited"); /* clock off */ + } + + /* quit the parent process, returning the child's exit status */ + + exit(status); + return status; /* never reached, to make gcc happy */ +} + +static int set_the_terminal(pam_handle_t *pamh) +{ + const void *tty; + + if (pam_get_item(pamh, PAM_TTY, &tty) != PAM_SUCCESS + || tty == NULL) { + tty = ttyname(STDIN_FILENO); + if (tty == NULL) { + pam_syslog(pamh, LOG_ERR, "couldn't get the tty name"); + return PAM_ABORT; + } + if (pam_set_item(pamh, PAM_TTY, tty) != PAM_SUCCESS) { + pam_syslog(pamh, LOG_ERR, "couldn't set tty name"); + return PAM_ABORT; + } + } + return PAM_SUCCESS; +} + +static int need_a_filter(pam_handle_t *pamh + , int flags, int argc, const char **argv + , const char *name, int which_run) +{ + int ctrl; + char **evp; + const char *filterfile; + int retval; + + ctrl = process_args(pamh, argc, argv, name, &evp, &filterfile); + if (ctrl == -1) { + return PAM_AUTHINFO_UNAVAIL; + } + + /* set the tty to the old or the new one? */ + + if (!(ctrl & NON_TERM) && !(ctrl & NEW_TERM)) { + retval = set_the_terminal(pamh); + if (retval != PAM_SUCCESS) { + pam_syslog(pamh, LOG_ERR, "tried and failed to set PAM_TTY"); + } + } else { + retval = PAM_SUCCESS; /* nothing to do which is always a success */ + } + + if (retval == PAM_SUCCESS && (ctrl & which_run)) { + retval = set_filter(pamh, flags, ctrl, evp, filterfile); + } + + if (retval == PAM_SUCCESS + && !(ctrl & NON_TERM) && (ctrl & NEW_TERM)) { + retval = set_the_terminal(pamh); + if (retval != PAM_SUCCESS) { + pam_syslog(pamh, LOG_ERR, + "tried and failed to set new terminal as PAM_TTY"); + } + } + + free_evp(evp); + + if (ctrl & FILTER_DEBUG) { + pam_syslog(pamh, LOG_DEBUG, "filter/%s, returning %d", name, retval); + pam_syslog(pamh, LOG_DEBUG, "[%s]", pam_strerror(pamh, retval)); + } + + return retval; +} + +/* ----------------- public functions ---------------- */ + +/* + * here are the advertised access points ... + */ + +/* ------------------ authentication ----------------- */ + +int pam_sm_authenticate(pam_handle_t *pamh, + int flags, int argc, const char **argv) +{ + return need_a_filter(pamh, flags, argc, argv + , "authenticate", FILTER_RUN1); +} + +int pam_sm_setcred(pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + return need_a_filter(pamh, flags, argc, argv, "setcred", FILTER_RUN2); +} + +/* --------------- account management ---------------- */ + +int pam_sm_acct_mgmt(pam_handle_t *pamh, int flags, int argc, + const char **argv) +{ + return need_a_filter(pamh, flags, argc, argv + , "setcred", FILTER_RUN1|FILTER_RUN2 ); +} + +/* --------------- session management ---------------- */ + +int pam_sm_open_session(pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + return need_a_filter(pamh, flags, argc, argv + , "open_session", FILTER_RUN1); +} + +int pam_sm_close_session(pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + return need_a_filter(pamh, flags, argc, argv + , "close_session", FILTER_RUN2); +} + +/* --------- updating authentication tokens --------- */ + + +int pam_sm_chauthtok(pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + int runN; + + if (flags & PAM_PRELIM_CHECK) + runN = FILTER_RUN1; + else if (flags & PAM_UPDATE_AUTHTOK) + runN = FILTER_RUN2; + else { + pam_syslog(pamh, LOG_ERR, "unknown flags for chauthtok (0x%X)", flags); + return PAM_TRY_AGAIN; + } + + return need_a_filter(pamh, flags, argc, argv, "chauthtok", runN); +} diff --git a/modules/pam_filter/pam_filter.h b/modules/pam_filter/pam_filter.h new file mode 100644 index 0000000..630198e --- /dev/null +++ b/modules/pam_filter/pam_filter.h @@ -0,0 +1,32 @@ +/* + * $Id$ + * + * this file is associated with the Linux-PAM filter module. + * it was written by Andrew G. Morgan + * + */ + +#ifndef PAM_FILTER_H +#define PAM_FILTER_H + +#include + +/* + * this will fail if there is some problem with these file descriptors + * being allocated by the pam_filter Linux-PAM module. The numbers + * here are thought safe, but the filter developer should use the + * macros, as these numbers are subject to change. + * + * The APPXXX_FILENO file descriptors are the STDIN/OUT/ERR_FILENO of the + * application. The filter uses the STDIN/OUT/ERR_FILENO's to converse + * with the user, passes (modified) user input to the application via + * APPIN_FILENO, and receives application output from APPOUT_FILENO/ERR. + */ + +#define APPIN_FILENO 3 /* write here to give application input */ +#define APPOUT_FILENO 4 /* read here to get application output */ +#define APPERR_FILENO 5 /* read here to get application errors */ + +#define APPTOP_FILE 6 /* used by select */ + +#endif diff --git a/modules/pam_filter/tst-pam_filter b/modules/pam_filter/tst-pam_filter new file mode 100755 index 0000000..56a5d08 --- /dev/null +++ b/modules/pam_filter/tst-pam_filter @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_filter.so diff --git a/modules/pam_filter/upperLOWER/Makefile.am b/modules/pam_filter/upperLOWER/Makefile.am new file mode 100644 index 0000000..f65c462 --- /dev/null +++ b/modules/pam_filter/upperLOWER/Makefile.am @@ -0,0 +1,15 @@ +# +# Copyright (c) 2005 Thorsten Kukuk +# + +CLEANFILES = *~ + +securelibfilterdir = $(SECUREDIR)/pam_filter + + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + -I$(srcdir)/.. @EXE_CFLAGS@ $(WARN_CFLAGS) +AM_LDFLAGS = @EXE_LDFLAGS@ +LDADD = $(top_builddir)/libpam/libpam.la + +securelibfilter_PROGRAMS = upperLOWER diff --git a/modules/pam_filter/upperLOWER/Makefile.in b/modules/pam_filter/upperLOWER/Makefile.in new file mode 100644 index 0000000..3046fe8 --- /dev/null +++ b/modules/pam_filter/upperLOWER/Makefile.in @@ -0,0 +1,728 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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+.NOEXPORT: diff --git a/modules/pam_filter/upperLOWER/upperLOWER.c b/modules/pam_filter/upperLOWER/upperLOWER.c new file mode 100644 index 0000000..25e70a5 --- /dev/null +++ b/modules/pam_filter/upperLOWER/upperLOWER.c @@ -0,0 +1,141 @@ +/* + * This is a sample filter program, for use with pam_filter (a module + * provided with Linux-PAM). This filter simply transposes upper and + * lower case letters, it is intended for demonstration purposes and + * it serves no purpose other than to annoy the user... + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include + +#include "pam_filter.h" +#include + +/* ---------------------------------------------------------------- */ + +static void do_transpose(char *buffer,int len) +{ + int i; + for (i=0; i %s\r\n",environ[i]); + } + fprintf(stderr,"]: end\r\n"); + } +#endif + + if (argc != 1) { +#ifdef DEBUG + fprintf(stderr,"filter invoked as conventional executable\n"); +#else + syslog(LOG_ERR, "filter invoked as conventional executable"); +#endif + exit(1); + } + + before_user = before_app = do_transpose; /* assign filter functions */ + + /* enter a loop that deals with the input and output of the + user.. passing it to and from the application */ + + FD_ZERO(&readers); /* initialize reading mask */ + + for (;;) { + + FD_SET(APPOUT_FILENO, &readers); /* wake for output */ + FD_SET(APPERR_FILENO, &readers); /* wake for error */ + FD_SET(STDIN_FILENO, &readers); /* wake for input */ + + if ( select(APPTOP_FILE,&readers,NULL,NULL,NULL) < 0 ) { +#ifdef DEBUG + fprintf(stderr,"select failed\n"); +#else + syslog(LOG_WARNING,"select failed"); +#endif + break; + } + + /* application errors */ + + if ( FD_ISSET(APPERR_FILENO,&readers) ) { + int got = read(APPERR_FILENO, buffer, BUFSIZ); + if (got <= 0) { + break; + } else { + /* translate to give to real terminal */ + if (before_user != NULL) + before_user(buffer, got); + if (pam_modutil_write(STDERR_FILENO, buffer, got) != got ) { + syslog(LOG_WARNING,"couldn't write %d bytes?!",got); + break; + } + } + } else if ( FD_ISSET(APPOUT_FILENO,&readers) ) { /* app output */ + int got = read(APPOUT_FILENO, buffer, BUFSIZ); + if (got <= 0) { + break; + } else { + /* translate to give to real terminal */ + if (before_user != NULL) + before_user(buffer, got); + if (pam_modutil_write(STDOUT_FILENO, buffer, got) != got ) { + syslog(LOG_WARNING,"couldn't write %d bytes!?",got); + break; + } + } + } + + if ( FD_ISSET(STDIN_FILENO, &readers) ) { /* user input */ + int got = read(STDIN_FILENO, buffer, BUFSIZ); + if (got < 0) { + syslog(LOG_WARNING,"user input junked"); + break; + } else if (got) { + /* translate to give to application */ + if (before_app != NULL) + before_app(buffer, got); + if (pam_modutil_write(APPIN_FILENO, buffer, got) != got ) { + syslog(LOG_WARNING,"couldn't pass %d bytes!?",got); + break; + } + } else { + /* nothing received -- an error? */ + syslog(LOG_WARNING,"user input null?"); + break; + } + } + } + + exit(0); +} diff --git a/modules/pam_ftp/Makefile.am b/modules/pam_ftp/Makefile.am new file mode 100644 index 0000000..abfa98a --- /dev/null +++ b/modules/pam_ftp/Makefile.am @@ -0,0 +1,33 @@ +# +# Copyright (c) 2005, 2006, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_ftp.8 +endif +XMLS = README.xml pam_ftp.8.xml +dist_check_SCRIPTS = tst-pam_ftp +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_ftp.la +pam_ftp_la_LIBADD = $(top_builddir)/libpam/libpam.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_ftp/Makefile.in b/modules/pam_ftp/Makefile.in new file mode 100644 index 0000000..7788d6e --- /dev/null +++ b/modules/pam_ftp/Makefile.in @@ -0,0 +1,1150 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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If the name is ftp or +anonymous, the user's password is broken up at the @ delimiter into a PAM_RUSER +and a PAM_RHOST part; these pam-items being set accordingly. The username ( +PAM_USER) is set to ftp. In this case the module succeeds. Alternatively, the +module sets the PAM_AUTHTOK item with the entered password and fails. + +This module is not safe and easily spoofable. + +OPTIONS + +debug + + Print debug information. + +ignore + + Pay no attention to the email address of the user (if supplied). + +ftp=XXX,YYY,... + + Instead of ftp or anonymous, provide anonymous login to the comma separated + list of users: XXX,YYY,.... Should the applicant enter one of these + usernames the returned username is set to the first in the list: XXX. + +EXAMPLES + +Add the following line to /etc/pam.d/ftpd to handle ftp style anonymous login: + +# +# ftpd; add ftp-specifics. These lines enable anonymous ftp over +# standard UN*X access (the listfile entry blocks access to +# users listed in /etc/ftpusers) +# +auth sufficient pam_ftp.so +auth required pam_unix.so use_first_pass +auth required pam_listfile.so \ + onerr=succeed item=user sense=deny file=/etc/ftpusers + + +AUTHOR + +pam_ftp was written by Andrew G. Morgan . + diff --git a/modules/pam_ftp/README.xml b/modules/pam_ftp/README.xml new file mode 100644 index 0000000..65de28e --- /dev/null +++ b/modules/pam_ftp/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_ftp.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_ftp-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_ftp/pam_ftp.8 b/modules/pam_ftp/pam_ftp.8 new file mode 100644 index 0000000..28e1af8 --- /dev/null +++ b/modules/pam_ftp/pam_ftp.8 @@ -0,0 +1,125 @@ +'\" t +.\" Title: pam_ftp +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_FTP" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_ftp \- PAM module for anonymous access module +.SH "SYNOPSIS" +.HP \w'\fBpam_ftp\&.so\fR\ 'u +\fBpam_ftp\&.so\fR [debug] [ignore] [users=\fIXXX,YYY,\fR...] +.SH "DESCRIPTION" +.PP +pam_ftp is a PAM module which provides a pluggable anonymous ftp mode of access\&. +.PP +This module intercepts the user\*(Aqs name and password\&. If the name is +\fIftp\fR +or +\fIanonymous\fR, the user\*(Aqs password is broken up at the +\fI@\fR +delimiter into a +\fIPAM_RUSER\fR +and a +\fIPAM_RHOST\fR +part; these pam\-items being set accordingly\&. The username (\fIPAM_USER\fR) is set to +\fIftp\fR\&. In this case the module succeeds\&. Alternatively, the module sets the +\fIPAM_AUTHTOK\fR +item with the entered password and fails\&. +.PP +This module is not safe and easily spoofable\&. +.SH "OPTIONS" +.PP +.PP +\fBdebug\fR +.RS 4 +Print debug information\&. +.RE +.PP +\fBignore\fR +.RS 4 +Pay no attention to the email address of the user (if supplied)\&. +.RE +.PP +\fBftp=\fR\fB\fIXXX,YYY,\&.\&.\&.\fR\fR +.RS 4 +Instead of +\fIftp\fR +or +\fIanonymous\fR, provide anonymous login to the comma separated list of users: +\fB\fIXXX,YYY,\&.\&.\&.\fR\fR\&. Should the applicant enter one of these usernames the returned username is set to the first in the list: +\fIXXX\fR\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +Only the +\fBauth\fR +module type is provided\&. +.SH "RETURN VALUES" +.PP +.PP +PAM_SUCCESS +.RS 4 +The authentication was successful\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +User not known\&. +.RE +.SH "EXAMPLES" +.PP +Add the following line to +/etc/pam\&.d/ftpd +to handle ftp style anonymous login: +.sp +.if n \{\ +.RS 4 +.\} +.nf +# +# ftpd; add ftp\-specifics\&. These lines enable anonymous ftp over +# standard UN*X access (the listfile entry blocks access to +# users listed in /etc/ftpusers) +# +auth sufficient pam_ftp\&.so +auth required pam_unix\&.so use_first_pass +auth required pam_listfile\&.so \e + onerr=succeed item=user sense=deny file=/etc/ftpusers + +.fi +.if n \{\ +.RE +.\} +.sp +.SH "SEE ALSO" +.PP +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_ftp was written by Andrew G\&. Morgan \&. diff --git a/modules/pam_ftp/pam_ftp.8.xml b/modules/pam_ftp/pam_ftp.8.xml new file mode 100644 index 0000000..6f11f57 --- /dev/null +++ b/modules/pam_ftp/pam_ftp.8.xml @@ -0,0 +1,183 @@ + + + + + + + pam_ftp + 8 + Linux-PAM Manual + + + + pam_ftp + PAM module for anonymous access module + + + + + pam_ftp.so + + debug + + + ignore + + + users=XXX,YYY, + + + + + + + DESCRIPTION + + + pam_ftp is a PAM module which provides a pluggable + anonymous ftp mode of access. + + + This module intercepts the user's name and password. If the name is + ftp or anonymous, the + user's password is broken up at the @ delimiter + into a PAM_RUSER and a + PAM_RHOST part; these pam-items being set + accordingly. The username (PAM_USER) is set + to ftp. In this case the module succeeds. + Alternatively, the module sets the PAM_AUTHTOK + item with the entered password and fails. + + + This module is not safe and easily spoofable. + + + + + + OPTIONS + + + + + + + + + + Print debug information. + + + + + + + + + + + Pay no attention to the email address of the user + (if supplied). + + + + + + + + + + + Instead of ftp or + anonymous, provide anonymous login + to the comma separated list of users: + . + Should the applicant enter + one of these usernames the returned username is set to + the first in the list: XXX. + + + + + + + + + + + MODULE TYPES PROVIDED + + Only the module type is provided. + + + + + RETURN VALUES + + + + + PAM_SUCCESS + + + The authentication was successful. + + + + + + PAM_USER_UNKNOWN + + + User not known. + + + + + + + + + + EXAMPLES + + Add the following line to /etc/pam.d/ftpd to + handle ftp style anonymous login: + +# +# ftpd; add ftp-specifics. These lines enable anonymous ftp over +# standard UN*X access (the listfile entry blocks access to +# users listed in /etc/ftpusers) +# +auth sufficient pam_ftp.so +auth required pam_unix.so use_first_pass +auth required pam_listfile.so \ + onerr=succeed item=user sense=deny file=/etc/ftpusers + + + + + + SEE ALSO + + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_ftp was written by Andrew G. Morgan <morgan@kernel.org>. + + + + diff --git a/modules/pam_ftp/pam_ftp.c b/modules/pam_ftp/pam_ftp.c new file mode 100644 index 0000000..441f2bb --- /dev/null +++ b/modules/pam_ftp/pam_ftp.c @@ -0,0 +1,215 @@ +/* + * pam_ftp module + * + * Written by Andrew Morgan 1996/3/11 + */ + +#define PLEASE_ENTER_PASSWORD "Password required for %s." +#define GUEST_LOGIN_PROMPT "Guest login ok, " \ +"send your complete e-mail address as password." + +/* the following is a password that "can't be correct" */ +#define BLOCK_PASSWORD "\177BAD PASSWPRD\177" + +#include "config.h" + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include "pam_inline.h" + +/* argument parsing */ + +#define PAM_DEBUG_ARG 01 +#define PAM_IGNORE_EMAIL 02 +#define PAM_NO_ANON 04 + +static int +_pam_parse(pam_handle_t *pamh, int argc, const char **argv, const char **users) +{ + int ctrl=0; + + /* step through arguments */ + for (ctrl=0; argc-- > 0; ++argv) { + const char *str; + + /* generic options */ + + if (!strcmp(*argv,"debug")) + ctrl |= PAM_DEBUG_ARG; + else if (!strcmp(*argv,"ignore")) + ctrl |= PAM_IGNORE_EMAIL; + else if ((str = pam_str_skip_prefix(*argv, "users=")) != NULL) + *users = str; + else + pam_syslog(pamh, LOG_ERR, "unknown option: %s", *argv); + } + + return ctrl; +} + +/* + * check if name is in list or default list. place users name in *_user + * return 1 if listed 0 if not. + */ + +static int lookup(const char *name, const char *list, char **_user) +{ + int anon = 0; + + if (list && *list) { + const char *l; + char *list_copy, *x; + char *sptr = NULL; + + list_copy = strdup(list); + x = list_copy; + while (list_copy && (l = strtok_r(x, ",", &sptr))) { + x = NULL; + if (!strcmp(name, l)) { + *_user = list_copy; + anon = 1; + break; + } + } + if (*_user != list_copy) { + free(list_copy); + } + } else { +#define MAX_L 2 + static const char *l[MAX_L] = { "ftp", "anonymous" }; + int i; + + for (i=0; i +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = group.conf.5 pam_group.8 +endif +XMLS = README.xml group.conf.5.xml pam_group.8.xml +dist_check_SCRIPTS = tst-pam_group +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + -DPAM_GROUP_CONF=\"$(SCONFIGDIR)/group.conf\" $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_group.la +pam_group_la_LIBADD = $(top_builddir)/libpam/libpam.la + +dist_secureconf_DATA = group.conf + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_group/Makefile.in b/modules/pam_group/Makefile.in new file mode 100644 index 0000000..6d916f1 --- /dev/null +++ b/modules/pam_group/Makefile.in @@ -0,0 +1,1221 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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Such memberships are based on the service they are +applying for. + +By default rules for group memberships are taken from config file /etc/security +/group.conf. + +This module's usefulness relies on the file-systems accessible to the user. The +point being that once granted the membership of a group, the user may attempt +to create a setgid binary with a restricted group ownership. Later, when the +user is not given membership to this group, they can recover group membership +with the precompiled binary. The reason that the file-systems that the user has +access to are so significant, is the fact that when a system is mounted nosuid +the user is unable to create or execute such a binary file. For this module to +provide any level of security, all file-systems that the user has write access +to should be mounted nosuid. + +The pam_group module functions in parallel with the /etc/group file. If the +user is granted any groups based on the behavior of this module, they are +granted in addition to those entries /etc/group (or equivalent). + +EXAMPLES + +These are some example lines which might be specified in /etc/security/ +group.conf. + +Running 'xsh' on tty* (any ttyXXX device), the user 'us' is given access to the +floppy (through membership of the floppy group) + +xsh;tty*&!ttyp*;us;Al0000-2400;floppy + +Running 'xsh' on tty* (any ttyXXX device), the users 'sword', 'pike' and +'shield' are given access to games (through membership of the floppy group) +after work hours. + +xsh; tty* ;sword|pike|shield;!Wk0900-1800;games, sound +xsh; tty* ;*;Al0900-1800;floppy + + +Any member of the group 'admin' running 'xsh' on tty*, is granted access (at +any time) to the group 'plugdev' + +xsh; tty* ;%admin;Al0000-2400;plugdev + + diff --git a/modules/pam_group/README.xml b/modules/pam_group/README.xml new file mode 100644 index 0000000..387d698 --- /dev/null +++ b/modules/pam_group/README.xml @@ -0,0 +1,34 @@ + + +--> + +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_group.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_group-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_group/group.conf b/modules/pam_group/group.conf new file mode 100644 index 0000000..7c07a26 --- /dev/null +++ b/modules/pam_group/group.conf @@ -0,0 +1,106 @@ +# +# This is the configuration file for the pam_group module. +# + +# +# *** Please note that giving group membership on a session basis is +# *** NOT inherently secure. If a user can create an executable that +# *** is setgid a group that they are infrequently given membership +# *** of, they can basically obtain group membership any time they +# *** like. Example: games are allowed between the hours of 6pm and 6am +# *** user joe logs in at 7pm writes a small C-program toplay.c that +# *** invokes their favorite shell, compiles it and does +# *** "chgrp play toplay; chmod g+s toplay". They are basically able +# *** to play games any time... You have been warned. AGM +# + +# +# The syntax of the lines is as follows: +# +# services;ttys;users;times;groups +# +# white space is ignored and lines maybe extended with '\\n' (escaped +# newlines). From reading these comments, it is clear that +# text following a '#' is ignored to the end of the line. +# +# the combination of individual users/terminals etc is a logic list +# namely individual tokens that are optionally prefixed with '!' (logical +# not) and separated with '&' (logical and) and '|' (logical or). +# +# services +# is a logic list of PAM service names that the rule applies to. +# +# ttys +# is a logic list of terminal names that this rule applies to. +# +# users +# is a logic list of users or a netgroup of users to whom this +# rule applies. +# +# NB. For these items the simple wildcard '*' may be used only once. +# With netgroups no wildcards or logic operators are allowed. +# +# times +# It is used to indicate "when" these groups are to be given to the +# user. The format here is a logic list of day/time-range +# entries the days are specified by a sequence of two character +# entries, MoTuSa for example is Monday Tuesday and Saturday. Note +# that repeated days are unset MoMo = no day, and MoWk = all weekdays +# bar Monday. The two character combinations accepted are +# +# Mo Tu We Th Fr Sa Su Wk Wd Al +# +# the last two being week-end days and all 7 days of the week +# respectively. As a final example, AlFr means all days except Friday. +# +# Each day/time-range can be prefixed with a '!' to indicate "anything +# but" +# +# The time-range part is two 24-hour times HHMM separated by a hyphen +# indicating the start and finish time (if the finish time is smaller +# than the start time it is deemed to apply on the following day). +# +# groups +# The (comma or space separated) list of groups that the user +# inherits membership of. These groups are added if the previous +# fields are satisfied by the user's request +# +# For a rule to be active, ALL of service+ttys+users must be satisfied +# by the applying process. +# + +# +# Note, to get this to work as it is currently typed you need +# +# 1. to run an application as root +# 2. add the following groups to the /etc/group file: +# floppy, play, sound +# + +# +# Here is a simple example: running 'xsh' on tty* (any ttyXXX device), +# the user 'us' is given access to the floppy (through membership of +# the floppy group) +# + +#xsh;tty*&!ttyp*;us;Al0000-2400;floppy + +# +# another example: running 'xsh' on tty* (any ttyXXX device), +# the user 'sword' is given access to games (through membership of +# the sound and play group) after work hours. +# + +#xsh; tty* ;sword;!Wk0900-1800;sound, play +#xsh; tty* ;*;Al0900-1800;floppy + +# +# yet another example: any member of the group 'admin' running +# 'xsh' on tty*, is granted access (at any time) to the group 'plugdev' +# + +#xsh; tty* ;%admin;Al0000-2400;plugdev + +# +# End of group.conf file +# diff --git a/modules/pam_group/group.conf.5 b/modules/pam_group/group.conf.5 new file mode 100644 index 0000000..bbbe307 --- /dev/null +++ b/modules/pam_group/group.conf.5 @@ -0,0 +1,121 @@ +'\" t +.\" Title: group.conf +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "GROUP\&.CONF" "5" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +group.conf \- configuration file for the pam_group module +.SH "DESCRIPTION" +.PP +The pam_group PAM module does not authenticate the user, but instead it grants group memberships (in the credential setting phase of the authentication module) to the user\&. Such memberships are based on the service they are applying for\&. +.PP +For this module to function correctly there must be a correctly formatted +/etc/security/group\&.conf +file present\&. White spaces are ignored and lines maybe extended with \*(Aq\e\*(Aq (escaped newlines)\&. Text following a \*(Aq#\*(Aq is ignored to the end of the line\&. +.PP +The syntax of the lines is as follows: +.PP +\fIservices\fR;\fIttys\fR;\fIusers\fR;\fItimes\fR;\fIgroups\fR +.PP +The first field, the +\fIservices\fR +field, is a logic list of PAM service names that the rule applies to\&. +.PP +The second field, the +\fItty\fR +field, is a logic list of terminal names that this rule applies to\&. +.PP +The third field, the +\fIusers\fR +field, is a logic list of users, or a UNIX group, or a netgroup of users to whom this rule applies\&. Group names are preceded by a \*(Aq%\*(Aq symbol, while netgroup names are preceded by a \*(Aq@\*(Aq symbol\&. +.PP +A logic list namely means individual tokens that are optionally prefixed with \*(Aq!\*(Aq (logical not) and separated with \*(Aq&\*(Aq (logical and) and \*(Aq|\*(Aq (logical or)\&. +.PP +For these items the simple wildcard \*(Aq*\*(Aq may be used only once\&. With UNIX groups or netgroups no wildcards or logic operators are allowed\&. +.PP +The +\fItimes\fR +field is used to indicate "when" these groups are to be given to the user\&. The format here is a logic list of day/time\-range entries\&. The days are specified by a sequence of two character entries, MoTuSa for example is Monday Tuesday and Saturday\&. Note that repeated days are unset MoMo = no day, and MoWk = all weekdays bar Monday\&. The two character combinations accepted are Mo Tu We Th Fr Sa Su Wk Wd Al, the last two being week\-end days and all 7 days of the week respectively\&. As a final example, AlFr means all days except Friday\&. +.PP +Each day/time\-range can be prefixed with a \*(Aq!\*(Aq to indicate "anything but"\&. The time\-range part is two 24\-hour times HHMM, separated by a hyphen, indicating the start and finish time (if the finish time is smaller than the start time it is deemed to apply on the following day)\&. +.PP +The +\fIgroups\fR +field is a comma or space separated list of groups that the user inherits membership of\&. These groups are added if the previous fields are satisfied by the user\*(Aqs request\&. +.PP +For a rule to be active, ALL of service+ttys+users must be satisfied by the applying process\&. +.SH "EXAMPLES" +.PP +These are some example lines which might be specified in +/etc/security/group\&.conf\&. +.PP +Running \*(Aqxsh\*(Aq on tty* (any ttyXXX device), the user \*(Aqus\*(Aq is given access to the floppy (through membership of the floppy group) +.sp +.if n \{\ +.RS 4 +.\} +.nf +xsh;tty*&!ttyp*;us;Al0000\-2400;floppy +.fi +.if n \{\ +.RE +.\} +.PP +Running \*(Aqxsh\*(Aq on tty* (any ttyXXX device), the users \*(Aqsword\*(Aq, \*(Aqpike\*(Aq and \*(Aqshield\*(Aq are given access to games (through membership of the floppy group) after work hours\&. +.sp +.if n \{\ +.RS 4 +.\} +.nf +xsh; tty* ;sword|pike|shield;!Wk0900\-1800;games, sound +xsh; tty* ;*;Al0900\-1800;floppy + +.fi +.if n \{\ +.RE +.\} +.PP +Any member of the group \*(Aqadmin\*(Aq running \*(Aqxsh\*(Aq on tty*, is granted access (at any time) to the group \*(Aqplugdev\*(Aq +.sp +.if n \{\ +.RS 4 +.\} +.nf +xsh; tty* ;%admin;Al0000\-2400;plugdev + +.fi +.if n \{\ +.RE +.\} +.SH "SEE ALSO" +.PP +\fBpam_group\fR(8), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_group was written by Andrew G\&. Morgan \&. diff --git a/modules/pam_group/group.conf.5.xml b/modules/pam_group/group.conf.5.xml new file mode 100644 index 0000000..2b7fb34 --- /dev/null +++ b/modules/pam_group/group.conf.5.xml @@ -0,0 +1,147 @@ + + + + + + + group.conf + 5 + Linux-PAM Manual + + + + group.conf + configuration file for the pam_group module + + + + DESCRIPTION + + + The pam_group PAM module does not authenticate the user, but instead + it grants group memberships (in the credential setting phase of the + authentication module) to the user. Such memberships are based on the + service they are applying for. + + + For this module to function correctly there must be a correctly + formatted /etc/security/group.conf file present. + White spaces are ignored and lines maybe extended with '\' (escaped + newlines). Text following a '#' is ignored to the end of the line. + + + + The syntax of the lines is as follows: + + + + services;ttys;users;times;groups + + + + + The first field, the services field, is a logic list + of PAM service names that the rule applies to. + + + + The second field, the tty + field, is a logic list of terminal names that this rule applies to. + + + + The third field, the users + field, is a logic list of users, or a UNIX group, or a netgroup of + users to whom this rule applies. Group names are preceded by a '%' + symbol, while netgroup names are preceded by a '@' symbol. + + + + A logic list namely means individual tokens that are optionally prefixed + with '!' (logical not) and separated with '&' (logical and) and '|' + (logical or). + + + + For these items the simple wildcard '*' may be used only once. + With UNIX groups or netgroups no wildcards or logic operators + are allowed. + + + + The times field is used to indicate "when" + these groups are to be given to the user. The format here is a logic + list of day/time-range entries. The days are specified by a sequence of + two character entries, MoTuSa for example is Monday Tuesday and Saturday. + Note that repeated days are unset MoMo = no day, and MoWk = all weekdays + bar Monday. The two character combinations accepted are Mo Tu We Th Fr Sa + Su Wk Wd Al, the last two being week-end days and all 7 days of the week + respectively. As a final example, AlFr means all days except Friday. + + + Each day/time-range can be prefixed with a '!' to indicate "anything but". + The time-range part is two 24-hour times HHMM, separated by a hyphen, + indicating the start and finish time (if the finish time is smaller + than the start time it is deemed to apply on the following day). + + + + The groups field is a comma or space + separated list of groups that the user inherits membership of. These + groups are added if the previous fields are satisfied by the user's request. + + + + For a rule to be active, ALL of service+ttys+users must be satisfied + by the applying process. + + + + + EXAMPLES + + These are some example lines which might be specified in + /etc/security/group.conf. + + + + Running 'xsh' on tty* (any ttyXXX device), the user 'us' is given access + to the floppy (through membership of the floppy group) + + xsh;tty*&!ttyp*;us;Al0000-2400;floppy + + + Running 'xsh' on tty* (any ttyXXX device), the users 'sword', 'pike' and + 'shield' are given access to games (through membership of the floppy group) after work hours. + + +xsh; tty* ;sword|pike|shield;!Wk0900-1800;games, sound +xsh; tty* ;*;Al0900-1800;floppy + + + Any member of the group 'admin' running 'xsh' on tty*, + is granted access (at any time) to the group 'plugdev' + + +xsh; tty* ;%admin;Al0000-2400;plugdev + + + + + + SEE ALSO + + pam_group8, + pam.d5, + pam8 + + + + + AUTHOR + + pam_group was written by Andrew G. Morgan <morgan@kernel.org>. + + + diff --git a/modules/pam_group/pam_group.8 b/modules/pam_group/pam_group.8 new file mode 100644 index 0000000..77c7341 --- /dev/null +++ b/modules/pam_group/pam_group.8 @@ -0,0 +1,109 @@ +'\" t +.\" Title: pam_group +.\" Author: [see the "AUTHORS" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_GROUP" "8" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_group \- PAM module for group access +.SH "SYNOPSIS" +.HP \w'\fBpam_group\&.so\fR\ 'u +\fBpam_group\&.so\fR +.SH "DESCRIPTION" +.PP +The pam_group PAM module does not authenticate the user, but instead it grants group memberships (in the credential setting phase of the authentication module) to the user\&. Such memberships are based on the service they are applying for\&. +.PP +By default rules for group memberships are taken from config file +/etc/security/group\&.conf\&. +.PP +This module\*(Aqs usefulness relies on the file\-systems accessible to the user\&. The point being that once granted the membership of a group, the user may attempt to create a +\fBsetgid\fR +binary with a restricted group ownership\&. Later, when the user is not given membership to this group, they can recover group membership with the precompiled binary\&. The reason that the file\-systems that the user has access to are so significant, is the fact that when a system is mounted +\fInosuid\fR +the user is unable to create or execute such a binary file\&. For this module to provide any level of security, all file\-systems that the user has write access to should be mounted +\fInosuid\fR\&. +.PP +The pam_group module functions in parallel with the +/etc/group +file\&. If the user is granted any groups based on the behavior of this module, they are granted +\fIin addition\fR +to those entries +/etc/group +(or equivalent)\&. +.SH "OPTIONS" +.PP +This module does not recognise any options\&. +.SH "MODULE TYPES PROVIDED" +.PP +Only the +\fBauth\fR +module type is provided\&. +.SH "RETURN VALUES" +.PP +PAM_SUCCESS +.RS 4 +group membership was granted\&. +.RE +.PP +PAM_ABORT +.RS 4 +Not all relevant data could be gotten\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_CRED_ERR +.RS 4 +Group membership was not granted\&. +.RE +.PP +PAM_IGNORE +.RS 4 +\fBpam_sm_authenticate\fR +was called which does nothing\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +The user is not known to the system\&. +.RE +.SH "FILES" +.PP +/etc/security/group\&.conf +.RS 4 +Default configuration file +.RE +.SH "SEE ALSO" +.PP +\fBgroup.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8)\&. +.SH "AUTHORS" +.PP +pam_group was written by Andrew G\&. Morgan \&. diff --git a/modules/pam_group/pam_group.8.xml b/modules/pam_group/pam_group.8.xml new file mode 100644 index 0000000..2c1c905 --- /dev/null +++ b/modules/pam_group/pam_group.8.xml @@ -0,0 +1,162 @@ + + + + + + + pam_group + 8 + Linux-PAM Manual + + + + pam_group + + PAM module for group access + + + + + + + + pam_group.so + + + + + + DESCRIPTION + + The pam_group PAM module does not authenticate the user, but instead + it grants group memberships (in the credential setting phase of the + authentication module) to the user. Such memberships are based on the + service they are applying for. + + + By default rules for group memberships are taken from config file + /etc/security/group.conf. + + + This module's usefulness relies on the file-systems + accessible to the user. The point being that once granted the + membership of a group, the user may attempt to create a + setgid binary with a restricted group ownership. + Later, when the user is not given membership to this group, they can + recover group membership with the precompiled binary. The reason that + the file-systems that the user has access to are so significant, is the + fact that when a system is mounted nosuid the user + is unable to create or execute such a binary file. For this module to + provide any level of security, all file-systems that the user has write + access to should be mounted nosuid. + + + The pam_group module functions in parallel with the + /etc/group file. If the user is granted any groups + based on the behavior of this module, they are granted + in addition to those entries + /etc/group (or equivalent). + + + + + OPTIONS + This module does not recognise any options. + + + + MODULE TYPES PROVIDED + + Only the module type is provided. + + + + + RETURN VALUES + + + PAM_SUCCESS + + + group membership was granted. + + + + + PAM_ABORT + + + Not all relevant data could be gotten. + + + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_CRED_ERR + + + Group membership was not granted. + + + + + PAM_IGNORE + + + pam_sm_authenticate was called which does nothing. + + + + + PAM_USER_UNKNOWN + + + The user is not known to the system. + + + + + + + + FILES + + + /etc/security/group.conf + + Default configuration file + + + + + + + SEE ALSO + + + group.conf5 + , + + pam.d5 + , + + pam8 + . + + + + + AUTHORS + + pam_group was written by Andrew G. Morgan <morgan@kernel.org>. + + + diff --git a/modules/pam_group/pam_group.c b/modules/pam_group/pam_group.c new file mode 100644 index 0000000..d9a35ea --- /dev/null +++ b/modules/pam_group/pam_group.c @@ -0,0 +1,815 @@ +/* + * pam_group module + * + * Written by Andrew Morgan 1996/7/6 + * Field parsing rewritten by Tomas Mraz + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#define PAM_GROUP_BUFLEN 1000 +#define FIELD_SEPARATOR ';' /* this is new as of .02 */ + +#ifndef TRUE +# define TRUE 1 +#endif +#ifndef FALSE +# define FALSE 0 +#endif + +typedef enum { AND, OR } operator; + +#include +#include +#include +#include + +/* --- static functions for checking whether the user should be let in --- */ + +static char * +shift_buf(char *mem, int from) +{ + char *start = mem; + while ((*mem = mem[from]) != '\0') + ++mem; + memset(mem, '\0', PAM_GROUP_BUFLEN - (mem - start)); + return mem; +} + +static void +trim_spaces(char *buf, char *from) +{ + while (from > buf) { + --from; + if (*from == ' ') + *from = '\0'; + else + break; + } +} + +#define STATE_NL 0 /* new line starting */ +#define STATE_COMMENT 1 /* inside comment */ +#define STATE_FIELD 2 /* field following */ +#define STATE_EOF 3 /* end of file or error */ + +static int +read_field(const pam_handle_t *pamh, int fd, char **buf, int *from, int *state) +{ + char *to; + char *src; + int i; + char c; + int onspace; + + /* is buf set ? */ + if (! *buf) { + *buf = (char *) calloc(1, PAM_GROUP_BUFLEN+1); + if (! *buf) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + D(("no memory")); + *state = STATE_EOF; + return -1; + } + *from = 0; + *state = STATE_NL; + fd = open(PAM_GROUP_CONF, O_RDONLY); + if (fd < 0) { + pam_syslog(pamh, LOG_ERR, "error opening %s: %m", PAM_GROUP_CONF); + _pam_drop(*buf); + *state = STATE_EOF; + return -1; + } + } + + if (*from > 0) + to = shift_buf(*buf, *from); + else + to = *buf; + + while (fd != -1 && to - *buf < PAM_GROUP_BUFLEN) { + i = pam_modutil_read(fd, to, PAM_GROUP_BUFLEN - (to - *buf)); + if (i < 0) { + pam_syslog(pamh, LOG_ERR, "error reading %s: %m", PAM_GROUP_CONF); + close(fd); + memset(*buf, 0, PAM_GROUP_BUFLEN); + _pam_drop(*buf); + *state = STATE_EOF; + return -1; + } else if (!i) { + close(fd); + fd = -1; /* end of file reached */ + } + + to += i; + } + + if (to == *buf) { + /* nothing previously in buf, nothing read */ + _pam_drop(*buf); + *state = STATE_EOF; + return -1; + } + + memset(to, '\0', PAM_GROUP_BUFLEN - (to - *buf)); + + to = *buf; + onspace = 1; /* delete any leading spaces */ + + for (src = to; (c=*src) != '\0'; ++src) { + if (*state == STATE_COMMENT && c != '\n') { + continue; + } + + switch (c) { + case '\n': + *state = STATE_NL; + *to = '\0'; + *from = (src - *buf) + 1; + trim_spaces(*buf, to); + return fd; + + case '\t': + case ' ': + if (!onspace) { + onspace = 1; + *to++ = ' '; + } + break; + + case '!': + onspace = 1; /* ignore following spaces */ + *to++ = '!'; + break; + + case '#': + *state = STATE_COMMENT; + break; + + case FIELD_SEPARATOR: + *state = STATE_FIELD; + *to = '\0'; + *from = (src - *buf) + 1; + trim_spaces(*buf, to); + return fd; + + case '\\': + if (src[1] == '\n') { + ++src; /* skip it */ + break; + } + /* fallthrough */ + default: + *to++ = c; + onspace = 0; + } + if (src > to) + *src = '\0'; /* clearing */ + } + + if (*state != STATE_COMMENT) { + *state = STATE_COMMENT; + pam_syslog(pamh, LOG_ERR, "field too long - ignored"); + **buf = '\0'; + } else { + *to = '\0'; + trim_spaces(*buf, to); + } + + *from = 0; + return fd; +} + +/* read a member from a field */ + +static int logic_member(const char *string, int *at) +{ + int c,to; + int done=0; + int token=0; + + to=*at; + do { + c = string[to++]; + + switch (c) { + + case '\0': + --to; + done = 1; + break; + + case '&': + case '|': + case '!': + if (token) { + --to; + } + done = 1; + break; + + default: + if (isalpha(c) || c == '*' || isdigit(c) || c == '_' + || c == '-' || c == '.' || c == '/' || c == ':') { + token = 1; + } else if (token) { + --to; + done = 1; + } else { + ++*at; + } + } + } while (!done); + + return to - *at; +} + +typedef enum { VAL, OP } expect; + +static int +logic_field (const pam_handle_t *pamh, const void *me, + const char *x, int rule, + int (*agrees)(const pam_handle_t *pamh, const void *, + const char *, int, int)) +{ + int left=FALSE, right, not=FALSE; + operator oper=OR; + int at=0, l; + expect next=VAL; + + while ((l = logic_member(x,&at))) { + int c = x[at]; + + if (next == VAL) { + if (c == '!') + not = !not; + else if (isalpha(c) || c == '*' || isdigit(c) || c == '_' + || c == '-' || c == '.' || c == '/' || c == ':') { + right = not ^ agrees(pamh, me, x+at, l, rule); + if (oper == AND) + left &= right; + else + left |= right; + next = OP; + } else { + pam_syslog(pamh, LOG_ERR, + "garbled syntax; expected name (rule #%d)", + rule); + return FALSE; + } + } else { /* OP */ + switch (c) { + case '&': + oper = AND; + break; + case '|': + oper = OR; + break; + default: + pam_syslog(pamh, LOG_ERR, + "garbled syntax; expected & or | (rule #%d)", + rule); + D(("%c at %d",c,at)); + return FALSE; + } + next = VAL; + not = FALSE; + } + at += l; + } + + return left; +} + +static int +is_same (const pam_handle_t *pamh UNUSED, + const void *A, const char *b, int len, int rule UNUSED) +{ + int i; + const char *a; + + a = A; + for (i=0; len > 0; ++i, --len) { + if (b[i] != a[i]) { + if (b[i++] == '*') { + return (!--len || !strncmp(b+i,a+strlen(a)-len,len)); + } else + return FALSE; + } + } + + /* Ok, we know that b is a substring from A and does not contain + wildcards, but now the length of both strings must be the same, + too. In this case it means, a[i] has to be the end of the string. */ + if (a[i] != '\0') + return FALSE; + + return ( !len ); +} + +typedef struct { + int day; /* array of 7 bits, one set for today */ + int minute; /* integer, hour*100+minute for now */ +} TIME; + +static struct day { + const char *d; + int bit; +} const days[11] = { + { "su", 01 }, + { "mo", 02 }, + { "tu", 04 }, + { "we", 010 }, + { "th", 020 }, + { "fr", 040 }, + { "sa", 0100 }, + { "wk", 076 }, + { "wd", 0101 }, + { "al", 0177 }, + { NULL, 0 } +}; + +static TIME time_now(void) +{ + struct tm *local; + time_t the_time; + TIME this; + + the_time = time((time_t *)0); /* get the current time */ + local = localtime(&the_time); + this.day = days[local->tm_wday].bit; + this.minute = local->tm_hour*100 + local->tm_min; + + D(("day: 0%o, time: %.4d", this.day, this.minute)); + return this; +} + +/* take the current date and see if the range "date" passes it */ +static int +check_time (const pam_handle_t *pamh, const void *AT, + const char *times, int len, int rule) +{ + int not,pass; + int marked_day, time_start, time_end; + const TIME *at; + int i,j=0; + + at = AT; + D(("checking: 0%o/%.4d vs. %s", at->day, at->minute, times)); + + if (times == NULL) { + /* this should not happen */ + pam_syslog(pamh, LOG_CRIT, "internal error in file %s at line %d", + __FILE__, __LINE__); + return FALSE; + } + + if (times[j] == '!') { + ++j; + not = TRUE; + } else { + not = FALSE; + } + + for (marked_day = 0; len > 0 && isalpha(times[j]); --len) { + int this_day=-1; + + D(("%c%c ?", times[j], times[j+1])); + for (i=0; days[i].d != NULL; ++i) { + if (tolower(times[j]) == days[i].d[0] + && tolower(times[j+1]) == days[i].d[1] ) { + this_day = days[i].bit; + break; + } + } + j += 2; + if (this_day == -1) { + pam_syslog(pamh, LOG_ERR, "bad day specified (rule #%d)", rule); + return FALSE; + } + marked_day ^= this_day; + } + if (marked_day == 0) { + pam_syslog(pamh, LOG_ERR, "no day specified"); + return FALSE; + } + D(("day range = 0%o", marked_day)); + + time_start = 0; + for (i=0; len > 0 && i < 4 && isdigit(times[i+j]); ++i, --len) { + time_start *= 10; + time_start += times[i+j]-'0'; /* is this portable? */ + } + j += i; + + if (times[j] == '-') { + time_end = 0; + for (i=1; len > 0 && i < 5 && isdigit(times[i+j]); ++i, --len) { + time_end *= 10; + time_end += times[i+j]-'0'; /* is this portable? */ + } + j += i; + } else + time_end = -1; + + D(("i=%d, time_end=%d, times[j]='%c'", i, time_end, times[j])); + if (i != 5 || time_end == -1) { + pam_syslog(pamh, LOG_ERR, "no/bad times specified (rule #%d)", rule); + return TRUE; + } + D(("times(%d to %d)", time_start,time_end)); + D(("marked_day = 0%o", marked_day)); + + /* compare with the actual time now */ + + pass = FALSE; + if (time_start < time_end) { /* start < end ? --> same day */ + if ((at->day & marked_day) && (at->minute >= time_start) + && (at->minute < time_end)) { + D(("time is listed")); + pass = TRUE; + } + } else { /* spans two days */ + if ((at->day & marked_day) && (at->minute >= time_start)) { + D(("caught on first day")); + pass = TRUE; + } else { + marked_day <<= 1; + marked_day |= (marked_day & 0200) ? 1:0; + D(("next day = 0%o", marked_day)); + if ((at->day & marked_day) && (at->minute <= time_end)) { + D(("caught on second day")); + pass = TRUE; + } + } + } + + return (not ^ pass); +} + +static int find_member(const char *string, int *at) +{ + int c,to; + int done=0; + int token=0; + + to=*at; + do { + c = string[to++]; + + switch (c) { + + case '\0': + --to; + done = 1; + break; + + case '&': + case '|': + case '!': + if (token) { + --to; + } + done = 1; + break; + + default: + if (isalpha(c) || isdigit(c) || c == '_' || c == '*' + || c == '-') { + token = 1; + } else if (token) { + --to; + done = 1; + } else { + ++*at; + } + } + } while (!done); + + return to - *at; +} + +#define GROUP_BLK 10 +#define blk_size(len) (((len-1 + GROUP_BLK)/GROUP_BLK)*GROUP_BLK) + +static int mkgrplist(pam_handle_t *pamh, char *buf, gid_t **list, int len) +{ + int l,at=0; + int blks; + + blks = blk_size(len); + D(("cf. blks=%d and len=%d", blks,len)); + + while ((l = find_member(buf,&at))) { + int edge; + + if (len >= blks) { + gid_t *tmp; + + D(("allocating new block")); + tmp = (gid_t *) realloc((*list) + , sizeof(gid_t) * (blks += GROUP_BLK)); + if (tmp != NULL) { + (*list) = tmp; + } else { + pam_syslog(pamh, LOG_ERR, "out of memory for group list"); + free(*list); + (*list) = NULL; + return -1; + } + } + + /* '\0' terminate the entry */ + + edge = (buf[at+l]) ? 1:0; + buf[at+l] = '\0'; + D(("found group: %s",buf+at)); + + /* this is where we convert a group name to a gid_t */ + { + const struct group *grp; + + grp = pam_modutil_getgrnam(pamh, buf+at); + if (grp == NULL) { + pam_syslog(pamh, LOG_ERR, "bad group: %s", buf+at); + } else { + D(("group %s exists", buf+at)); + (*list)[len++] = grp->gr_gid; + } + } + + /* next entry along */ + + at += l + edge; + } + D(("returning with [%p/len=%d]->%p",list,len,*list)); + return len; +} + + +static int check_account(pam_handle_t *pamh, const char *service, + const char *tty, const char *user) +{ + int from=0, state=STATE_NL, fd=-1; + char *buffer=NULL; + int count=0; + TIME here_and_now; + int retval=PAM_SUCCESS; + gid_t *grps; + int no_grps; + + /* + * first we get the current list of groups - the application + * will have previously done an initgroups(), or equivalent. + */ + + D(("counting supplementary groups")); + no_grps = getgroups(0, NULL); /* find the current number of groups */ + if (no_grps > 0) { + grps = calloc( blk_size(no_grps) , sizeof(gid_t) ); + D(("copying current list into grps [%d big]",blk_size(no_grps))); + if (getgroups(no_grps, grps) < 0) { + D(("getgroups call failed")); + no_grps = 0; + _pam_drop(grps); + } +#ifdef PAM_DEBUG + { + int z; + for (z=0; z 0) { + D(("rule #%d passed, added %d groups", count, good)); + } else if (good < 0) { + retval = PAM_BUF_ERR; + } else { + D(("rule #%d failed", count)); + } + + } while (state != STATE_EOF); + + /* now set the groups for the user */ + + if (no_grps > 0) { +#ifdef PAM_DEBUG + int err; +#endif + D(("trying to set %d groups", no_grps)); +#ifdef PAM_DEBUG + for (err=0; 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It +also by default parses escape codes in the issue file similar to some common +getty's (using \x format). + +Recognized escapes: + +\d + + current day + +\l + + name of this tty + +\m + + machine architecture (uname -m) + +\n + + machine's network node hostname (uname -n) + +\o + + domain name of this system + +\r + + release number of operating system (uname -r) + +\t + + current time + +\s + + operating system name (uname -s) + +\u + + number of users currently logged in + +\U + + same as \u except it is suffixed with "user" or "users" (eg. "1 user" or + "10 users") + +\v + + operating system version and build date (uname -v) + +OPTIONS + +noesc + + Turns off escape code parsing. + +issue=issue-file-name + + The file to output if not using the default. + +EXAMPLES + +Add the following line to /etc/pam.d/login to set the user specific issue at +login: + + auth optional pam_issue.so issue=/etc/issue + + +AUTHOR + +pam_issue was written by Ben Collins . + diff --git a/modules/pam_issue/README.xml b/modules/pam_issue/README.xml new file mode 100644 index 0000000..b5b61c3 --- /dev/null +++ b/modules/pam_issue/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_issue.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_issue-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_issue/pam_issue.8 b/modules/pam_issue/pam_issue.8 new file mode 100644 index 0000000..810406e --- /dev/null +++ b/modules/pam_issue/pam_issue.8 @@ -0,0 +1,158 @@ +'\" t +.\" Title: pam_issue +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_ISSUE" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_issue \- PAM module to add issue file to user prompt +.SH "SYNOPSIS" +.HP \w'\fBpam_issue\&.so\fR\ 'u +\fBpam_issue\&.so\fR [noesc] [issue=\fIissue\-file\-name\fR] +.SH "DESCRIPTION" +.PP +pam_issue is a PAM module to prepend an issue file to the username prompt\&. It also by default parses escape codes in the issue file similar to some common getty\*(Aqs (using \ex format)\&. +.PP +Recognized escapes: +.PP +\fB\ed\fR +.RS 4 +current day +.RE +.PP +\fB\el\fR +.RS 4 +name of this tty +.RE +.PP +\fB\em\fR +.RS 4 +machine architecture (uname \-m) +.RE +.PP +\fB\en\fR +.RS 4 +machine\*(Aqs network node hostname (uname \-n) +.RE +.PP +\fB\eo\fR +.RS 4 +domain name of this system +.RE +.PP +\fB\er\fR +.RS 4 +release number of operating system (uname \-r) +.RE +.PP +\fB\et\fR +.RS 4 +current time +.RE +.PP +\fB\es\fR +.RS 4 +operating system name (uname \-s) +.RE +.PP +\fB\eu\fR +.RS 4 +number of users currently logged in +.RE +.PP +\fB\eU\fR +.RS 4 +same as \eu except it is suffixed with "user" or "users" (eg\&. "1 user" or "10 users") +.RE +.PP +\fB\ev\fR +.RS 4 +operating system version and build date (uname \-v) +.RE +.SH "OPTIONS" +.PP +.PP +\fBnoesc\fR +.RS 4 +Turns off escape code parsing\&. +.RE +.PP +\fBissue=\fR\fB\fIissue\-file\-name\fR\fR +.RS 4 +The file to output if not using the default\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +Only the +\fBauth\fR +module type is provided\&. +.SH "RETURN VALUES" +.PP +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_IGNORE +.RS 4 +The prompt was already changed\&. +.RE +.PP +PAM_SERVICE_ERR +.RS 4 +A service module error occurred\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +The new prompt was set successfully\&. +.RE +.SH "EXAMPLES" +.PP +Add the following line to +/etc/pam\&.d/login +to set the user specific issue at login: +.sp +.if n \{\ +.RS 4 +.\} +.nf + auth optional pam_issue\&.so issue=/etc/issue + +.fi +.if n \{\ +.RE +.\} +.sp +.SH "SEE ALSO" +.PP +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_issue was written by Ben Collins \&. diff --git a/modules/pam_issue/pam_issue.8.xml b/modules/pam_issue/pam_issue.8.xml new file mode 100644 index 0000000..fb9b737 --- /dev/null +++ b/modules/pam_issue/pam_issue.8.xml @@ -0,0 +1,234 @@ + + + + + + + pam_issue + 8 + Linux-PAM Manual + + + + pam_issue + PAM module to add issue file to user prompt + + + + + pam_issue.so + + noesc + + + issue=issue-file-name + + + + + + + DESCRIPTION + + + pam_issue is a PAM module to prepend an issue file to the username + prompt. It also by default parses escape codes in the issue file + similar to some common getty's (using \x format). + + + Recognized escapes: + + + + \d + + current day + + + + \l + + name of this tty + + + + \m + + machine architecture (uname -m) + + + + \n + + machine's network node hostname (uname -n) + + + + \o + + domain name of this system + + + + \r + + release number of operating system (uname -r) + + + + \t + + current time + + + + \s + + operating system name (uname -s) + + + + \u + + number of users currently logged in + + + + \U + + + same as \u except it is suffixed with "user" or + "users" (eg. "1 user" or "10 users") + + + + + \v + + operating system version and build date (uname -v) + + + + + + + + + OPTIONS + + + + + + + + + + Turns off escape code parsing. + + + + + + + + + + + The file to output if not using the default. + + + + + + + + + + + MODULE TYPES PROVIDED + + Only the module type is provided. + + + + + RETURN VALUES + + + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + + PAM_IGNORE + + + The prompt was already changed. + + + + + + PAM_SERVICE_ERR + + + A service module error occurred. + + + + + + PAM_SUCCESS + + + The new prompt was set successfully. + + + + + + + + + + EXAMPLES + + Add the following line to /etc/pam.d/login to + set the user specific issue at login: + + auth optional pam_issue.so issue=/etc/issue + + + + + + SEE ALSO + + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_issue was written by Ben Collins <bcollins@debian.org>. + + + + diff --git a/modules/pam_issue/pam_issue.c b/modules/pam_issue/pam_issue.c new file mode 100644 index 0000000..5b6a466 --- /dev/null +++ b/modules/pam_issue/pam_issue.c @@ -0,0 +1,306 @@ +/* + * pam_issue module - a simple /etc/issue parser to set PAM_USER_PROMPT + * + * Copyright 1999 by Ben Collins + * + * Needs to be called before any other auth modules so we can setup the + * user prompt before it's first used. Allows one argument option, which + * is the full path to a file to be used for issue (uses /etc/issue as a + * default) such as "issue=/etc/issue.telnet". + * + * We can also parse escapes within the the issue file (enabled by + * default, but can be disabled with the "noesc" option). It's the exact + * same parsing as util-linux's agetty program performs. + * + * Released under the GNU LGPL version 2 or later + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include "pam_inline.h" + +static int _user_prompt_set = 0; + +static int read_issue_raw(pam_handle_t *pamh, FILE *fp, char **prompt); +static int read_issue_quoted(pam_handle_t *pamh, FILE *fp, char **prompt); + +/* --- authentication management functions (only) --- */ + +int +pam_sm_authenticate (pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + int retval = PAM_SERVICE_ERR; + FILE *fp; + const char *issue_file = NULL; + int parse_esc = 1; + const void *item = NULL; + const char *cur_prompt; + char *issue_prompt = NULL; + + /* If we've already set the prompt, don't set it again */ + if(_user_prompt_set) + return PAM_IGNORE; + + /* We set this here so if we fail below, we won't get further + than this next time around (only one real failure) */ + _user_prompt_set = 1; + + for ( ; argc-- > 0 ; ++argv ) { + const char *str; + + if ((str = pam_str_skip_prefix(*argv, "issue=")) != NULL) { + issue_file = str; + D(("set issue_file to: %s", issue_file)); + } else if (!strcmp(*argv,"noesc")) { + parse_esc = 0; + D(("turning off escape parsing by request")); + } else + D(("unknown option passed: %s", *argv)); + } + + if (issue_file == NULL) + issue_file = "/etc/issue"; + + if ((fp = fopen(issue_file, "r")) == NULL) { + pam_syslog(pamh, LOG_ERR, "error opening %s: %m", issue_file); + return PAM_SERVICE_ERR; + } + + if ((retval = pam_get_item(pamh, PAM_USER_PROMPT, &item)) != PAM_SUCCESS) { + fclose(fp); + return retval; + } + + cur_prompt = item; + if (cur_prompt == NULL) + cur_prompt = ""; + + if (parse_esc) + retval = read_issue_quoted(pamh, fp, &issue_prompt); + else + retval = read_issue_raw(pamh, fp, &issue_prompt); + + fclose(fp); + + if (retval != PAM_SUCCESS) + goto out; + + { + size_t size = strlen(issue_prompt) + strlen(cur_prompt) + 1; + char *new_prompt = realloc(issue_prompt, size); + + if (new_prompt == NULL) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + retval = PAM_BUF_ERR; + goto out; + } + issue_prompt = new_prompt; + } + + strcat(issue_prompt, cur_prompt); + retval = pam_set_item(pamh, PAM_USER_PROMPT, + (const void *) issue_prompt); + out: + _pam_drop(issue_prompt); + return (retval == PAM_SUCCESS) ? PAM_IGNORE : retval; +} + +int +pam_sm_setcred (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_IGNORE; +} + +static int +read_issue_raw(pam_handle_t *pamh, FILE *fp, char **prompt) +{ + char *issue; + struct stat st; + + *prompt = NULL; + + if (fstat(fileno(fp), &st) < 0) { + pam_syslog(pamh, LOG_ERR, "stat error: %m"); + return PAM_SERVICE_ERR; + } + + if ((issue = malloc(st.st_size + 1)) == NULL) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + return PAM_BUF_ERR; + } + + if ((off_t)fread(issue, 1, st.st_size, fp) != st.st_size) { + pam_syslog(pamh, LOG_ERR, "read error: %m"); + _pam_drop(issue); + return PAM_SERVICE_ERR; + } + + issue[st.st_size] = '\0'; + *prompt = issue; + return PAM_SUCCESS; +} + +static int +read_issue_quoted(pam_handle_t *pamh, FILE *fp, char **prompt) +{ + int c; + size_t size = 1024; + size_t issue_len = 0; + char *issue; + struct utsname uts; + + *prompt = NULL; + + if ((issue = malloc(size)) == NULL) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + return PAM_BUF_ERR; + } + + (void) uname(&uts); + + while ((c = getc(fp)) != EOF) { + const char *src = NULL; + size_t len = 0; + char buf[1024] = ""; + + if (c == '\\') { + if ((c = getc(fp)) == EOF) + break; + switch (c) { + case 's': + src = uts.sysname; + len = strnlen(uts.sysname, sizeof(uts.sysname)); + break; + case 'n': + src = uts.nodename; + len = strnlen(uts.nodename, sizeof(uts.nodename)); + break; + case 'r': + src = uts.release; + len = strnlen(uts.release, sizeof(uts.release)); + break; + case 'v': + src = uts.version; + len = strnlen(uts.version, sizeof(uts.version)); + break; + case 'm': + src = uts.machine; + len = strnlen(uts.machine, sizeof(uts.machine)); + break; + case 'o': +#ifdef HAVE_GETDOMAINNAME + if (getdomainname(buf, sizeof(buf)) >= 0) + buf[sizeof(buf) - 1] = '\0'; +#endif + break; + case 'd': + case 't': + { + const char *weekday[] = { + "Sun", "Mon", "Tue", "Wed", "Thu", + "Fri", "Sat" }; + const char *month[] = { + "Jan", "Feb", "Mar", "Apr", "May", + "Jun", "Jul", "Aug", "Sep", "Oct", + "Nov", "Dec" }; + time_t now; + struct tm *tm; + + (void) time (&now); + tm = localtime(&now); + + if (c == 'd') + snprintf (buf, sizeof buf, "%s %s %d %d", + weekday[tm->tm_wday], month[tm->tm_mon], + tm->tm_mday, tm->tm_year + 1900); + else + snprintf (buf, sizeof buf, "%02d:%02d:%02d", + tm->tm_hour, tm->tm_min, tm->tm_sec); + } + break; + case 'l': + { + const char *ttyn = ttyname(1); + if (ttyn) { + const char *str = pam_str_skip_prefix(ttyn, "/dev/"); + if (str != NULL) + ttyn = str; + src = ttyn; + len = strlen(ttyn); + } + } + break; + case 'u': + case 'U': + { + unsigned int users = 0; + struct utmp *ut; + setutent(); + while ((ut = getutent())) { + if (ut->ut_type == USER_PROCESS) + ++users; + } + endutent(); + if (c == 'U') + snprintf (buf, sizeof buf, "%u %s", users, + (users == 1) ? "user" : "users"); + else + snprintf (buf, sizeof buf, "%u", users); + break; + } + default: + buf[0] = c; buf[1] = '\0'; + } + } else { + buf[0] = c; buf[1] = '\0'; + } + + if (src == NULL) { + src = buf; + len = strlen(buf); + } + if (issue_len + len + 1 > size) { + char *new_issue; + + size += len + 1; + new_issue = realloc (issue, size); + if (new_issue == NULL) { + _pam_drop(issue); + return PAM_BUF_ERR; + } + issue = new_issue; + } + memcpy(issue + issue_len, src, len); + issue_len += len; + } + + issue[issue_len] = '\0'; + + if (ferror(fp)) { + pam_syslog(pamh, LOG_ERR, "read error: %m"); + _pam_drop(issue); + return PAM_SERVICE_ERR; + } + + *prompt = issue; + return PAM_SUCCESS; +} + +/* end of module definition */ diff --git a/modules/pam_issue/tst-pam_issue b/modules/pam_issue/tst-pam_issue new file mode 100755 index 0000000..0fe4f76 --- /dev/null +++ b/modules/pam_issue/tst-pam_issue @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_issue.so diff --git a/modules/pam_keyinit/Makefile.am b/modules/pam_keyinit/Makefile.am new file mode 100644 index 0000000..e195331 --- /dev/null +++ b/modules/pam_keyinit/Makefile.am @@ -0,0 +1,33 @@ +# +# Copyright (c) 2006, 2009 David Howells +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_keyinit.8 +endif +XMLS = README.xml pam_keyinit.8.xml +dist_check_SCRIPTS = tst-pam_keyinit +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_keyinit.la +pam_keyinit_la_LIBADD = $(top_builddir)/libpam/libpam.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_keyinit/Makefile.in b/modules/pam_keyinit/Makefile.in new file mode 100644 index 0000000..600c19c --- /dev/null +++ b/modules/pam_keyinit/Makefile.in @@ -0,0 +1,1150 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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If a new session keyring is created, it will install a +link to the user-keyring(7) in the session keyring so that keys common to the +user will be automatically accessible through it. The session keyring of the +invoking process will thenceforth be inherited by all its children unless they +override it. + +In order to allow other PAM modules to attach tokens to the keyring, this +module provides both an auth (limited to pam_setcred(3) and a session +component. The session keyring is created in the module called. Moreover this +module should be included as early as possible in a PAM configuration. + +This module is intended primarily for use by login processes. Be aware that +after the session keyring has been replaced, the old session keyring and the +keys it contains will no longer be accessible. + +This module should not, generally, be invoked by programs like su, since it is +usually desirable for the key set to percolate through to the alternate +context. The keys have their own permissions system to manage this. + +The keyutils package is used to manipulate keys more directly. This can be +obtained from: + +Keyutils + +OPTIONS + +debug + + Log debug information with syslog(3). + +force + + Causes the session keyring of the invoking process to be replaced + unconditionally. + +revoke + + Causes the session keyring of the invoking process to be revoked when the + invoking process exits if the session keyring was created for this process + in the first place. + +EXAMPLES + +Add this line to your login entries to start each login session with its own +session keyring: + +session required pam_keyinit.so + + +This will prevent keys from one session leaking into another session for the +same user. + +AUTHOR + +pam_keyinit was written by David Howells, . + diff --git a/modules/pam_keyinit/README.xml b/modules/pam_keyinit/README.xml new file mode 100644 index 0000000..47659e8 --- /dev/null +++ b/modules/pam_keyinit/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_keyinit.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_keyinit-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_keyinit/pam_keyinit.8 b/modules/pam_keyinit/pam_keyinit.8 new file mode 100644 index 0000000..01bfa52 --- /dev/null +++ b/modules/pam_keyinit/pam_keyinit.8 @@ -0,0 +1,150 @@ +'\" t +.\" Title: pam_keyinit +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_KEYINIT" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_keyinit \- Kernel session keyring initialiser module +.SH "SYNOPSIS" +.HP \w'\fBpam_keyinit\&.so\fR\ 'u +\fBpam_keyinit\&.so\fR [debug] [force] [revoke] +.SH "DESCRIPTION" +.PP +The pam_keyinit PAM module ensures that the invoking process has a session keyring other than the user default session keyring\&. +.PP +The module checks to see if the process\*(Aqs session keyring is the +\fBuser-session-keyring\fR(7), and, if it is, creates a new +\fBsession-keyring\fR(7) +with which to replace it\&. If a new session keyring is created, it will install a link to the +\fBuser-keyring\fR(7) +in the session keyring so that keys common to the user will be automatically accessible through it\&. The session keyring of the invoking process will thenceforth be inherited by all its children unless they override it\&. +.PP +In order to allow other PAM modules to attach tokens to the keyring, this module provides both an +\fIauth\fR +(limited to +\fBpam_setcred\fR(3) +and a +\fIsession\fR +component\&. The session keyring is created in the module called\&. Moreover this module should be included as early as possible in a PAM configuration\&. +.PP +This module is intended primarily for use by login processes\&. Be aware that after the session keyring has been replaced, the old session keyring and the keys it contains will no longer be accessible\&. +.PP +This module should not, generally, be invoked by programs like +\fBsu\fR, since it is usually desirable for the key set to percolate through to the alternate context\&. The keys have their own permissions system to manage this\&. +.PP +The keyutils package is used to manipulate keys more directly\&. This can be obtained from: +.PP +\m[blue]\fBKeyutils\fR\m[]\&\s-2\u[1]\d\s+2 +.SH "OPTIONS" +.PP +\fBdebug\fR +.RS 4 +Log debug information with +\fBsyslog\fR(3)\&. +.RE +.PP +\fBforce\fR +.RS 4 +Causes the session keyring of the invoking process to be replaced unconditionally\&. +.RE +.PP +\fBrevoke\fR +.RS 4 +Causes the session keyring of the invoking process to be revoked when the invoking process exits if the session keyring was created for this process in the first place\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +Only the +\fBsession\fR +module type is provided\&. +.SH "RETURN VALUES" +.PP +PAM_SUCCESS +.RS 4 +This module will usually return this value +.RE +.PP +PAM_AUTH_ERR +.RS 4 +Authentication failure\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_IGNORE +.RS 4 +The return value should be ignored by PAM dispatch\&. +.RE +.PP +PAM_SERVICE_ERR +.RS 4 +Cannot determine the user name\&. +.RE +.PP +PAM_SESSION_ERR +.RS 4 +This module will return this value if its arguments are invalid or if a system error such as ENOMEM occurs\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +User not known\&. +.RE +.SH "EXAMPLES" +.PP +Add this line to your login entries to start each login session with its own session keyring: +.sp +.if n \{\ +.RS 4 +.\} +.nf +session required pam_keyinit\&.so + +.fi +.if n \{\ +.RE +.\} +.PP +This will prevent keys from one session leaking into another session for the same user\&. +.SH "SEE ALSO" +.PP +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8), +\fBkeyctl\fR(1) +.SH "AUTHOR" +.PP +pam_keyinit was written by David Howells, \&. +.SH "NOTES" +.IP " 1." 4 +Keyutils +.RS 4 +\%http://people.redhat.com/~dhowells/keyutils/ +.RE diff --git a/modules/pam_keyinit/pam_keyinit.8.xml b/modules/pam_keyinit/pam_keyinit.8.xml new file mode 100644 index 0000000..ff1e7d0 --- /dev/null +++ b/modules/pam_keyinit/pam_keyinit.8.xml @@ -0,0 +1,250 @@ + + + + + + + pam_keyinit + 8 + Linux-PAM Manual + + + + pam_keyinit + Kernel session keyring initialiser module + + + + + pam_keyinit.so + + debug + + + force + + + revoke + + + + + + DESCRIPTION + + The pam_keyinit PAM module ensures that the invoking process has a + session keyring other than the user default session keyring. + + + The module checks to see if the process's session keyring is the + + user-session-keyring7 + , + and, if it is, creates a new + + session-keyring7 + + with which to replace it. If a new session keyring is created, it will + install a link to the + + user-keyring7 + + in the session keyring so that keys common to the user will be + automatically accessible through it. The session keyring of the invoking + process will thenceforth be inherited by all its children unless they override it. + + + In order to allow other PAM modules to attach tokens to the keyring, this module + provides both an auth (limited to + + pam_setcred3 + + and a session component. The session keyring is created + in the module called. Moreover this module should be included as early as + possible in a PAM configuration. + + + This module is intended primarily for use by login processes. Be aware + that after the session keyring has been replaced, the old session keyring + and the keys it contains will no longer be accessible. + + + This module should not, generally, be invoked by programs like + su, since it is usually desirable for the + key set to percolate through to the alternate context. The keys have + their own permissions system to manage this. + + + The keyutils package is used to manipulate keys more directly. This + can be obtained from: + + + + Keyutils + + + + + + OPTIONS + + + + + + + + Log debug information with + syslog3 + . + + + + + + + + + + + Causes the session keyring of the invoking process to be replaced + unconditionally. + + + + + + + + + + + Causes the session keyring of the invoking process to be revoked + when the invoking process exits if the session keyring was created + for this process in the first place. + + + + + + + + + MODULE TYPES PROVIDED + + Only the module type is provided. + + + + + RETURN VALUES + + + PAM_SUCCESS + + + This module will usually return this value + + + + + + PAM_AUTH_ERR + + + Authentication failure. + + + + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + + PAM_IGNORE + + + The return value should be ignored by PAM dispatch. + + + + + + PAM_SERVICE_ERR + + + Cannot determine the user name. + + + + + + PAM_SESSION_ERR + + + This module will return this value if its arguments are invalid or + if a system error such as ENOMEM occurs. + + + + + + PAM_USER_UNKNOWN + + + User not known. + + + + + + + + + EXAMPLES + + Add this line to your login entries to start each login session with its + own session keyring: + +session required pam_keyinit.so + + + + This will prevent keys from one session leaking into another session for + the same user. + + + + + SEE ALSO + + + pam.conf5 + , + + pam.d5 + , + + pam8 + , + + keyctl1 + + + + + + AUTHOR + + pam_keyinit was written by David Howells, <dhowells@redhat.com>. + + + + diff --git a/modules/pam_keyinit/pam_keyinit.c b/modules/pam_keyinit/pam_keyinit.c new file mode 100644 index 0000000..92e4953 --- /dev/null +++ b/modules/pam_keyinit/pam_keyinit.c @@ -0,0 +1,298 @@ +/* + * pam_keyinit: Initialise the session keyring on login through a PAM module + * + * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include "config.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define KEY_SPEC_SESSION_KEYRING -3 /* ID for session keyring */ +#define KEY_SPEC_USER_KEYRING -4 /* ID for UID-specific keyring */ +#define KEY_SPEC_USER_SESSION_KEYRING -5 /* - key ID for UID-session keyring */ + +#define KEYCTL_GET_KEYRING_ID 0 /* ask for a keyring's ID */ +#define KEYCTL_JOIN_SESSION_KEYRING 1 /* start named session keyring */ +#define KEYCTL_REVOKE 3 /* revoke a key */ +#define KEYCTL_LINK 8 /* link a key into a keyring */ + +static int my_session_keyring = 0; +static int session_counter = 0; +static int do_revoke = 0; +static uid_t revoke_as_uid; +static gid_t revoke_as_gid; +static int xdebug = 0; + +static void debug(pam_handle_t *pamh, const char *fmt, ...) + __attribute__((format(printf, 2, 3))); + +static void debug(pam_handle_t *pamh, const char *fmt, ...) +{ + va_list va; + + if (xdebug) { + va_start(va, fmt); + pam_vsyslog(pamh, LOG_DEBUG, fmt, va); + va_end(va); + } +} + +static void error(pam_handle_t *pamh, const char *fmt, ...) + __attribute__((format(printf, 2, 3))); + +static void error(pam_handle_t *pamh, const char *fmt, ...) +{ + va_list va; + + va_start(va, fmt); + pam_vsyslog(pamh, LOG_ERR, fmt, va); + va_end(va); +} + +/* + * initialise the session keyring for this process + */ +static int init_keyrings(pam_handle_t *pamh, int force, int error_ret) +{ + int session, usession, ret; + + if (!force) { + /* get the IDs of the session keyring and the user session + * keyring */ + session = syscall(__NR_keyctl, + KEYCTL_GET_KEYRING_ID, + KEY_SPEC_SESSION_KEYRING, + 0); + debug(pamh, "GET SESSION = %d", session); + if (session < 0) { + /* don't worry about keyrings if facility not + * installed */ + if (errno == ENOSYS) + return PAM_SUCCESS; + return error_ret; + } + + usession = syscall(__NR_keyctl, + KEYCTL_GET_KEYRING_ID, + KEY_SPEC_USER_SESSION_KEYRING, + 0); + debug(pamh, "GET SESSION = %d", usession); + if (usession < 0) + return error_ret; + + /* if the user session keyring is our keyring, then we don't + * need to do anything if we're not forcing */ + if (session != usession) + return PAM_SUCCESS; + } + + /* create a session keyring, discarding the old one */ + ret = syscall(__NR_keyctl, + KEYCTL_JOIN_SESSION_KEYRING, + NULL); + debug(pamh, "JOIN = %d", ret); + if (ret < 0) + return error_ret; + + my_session_keyring = ret; + + /* make a link from the session keyring to the user keyring */ + ret = syscall(__NR_keyctl, + KEYCTL_LINK, + KEY_SPEC_USER_KEYRING, + KEY_SPEC_SESSION_KEYRING); + + return ret < 0 ? error_ret : PAM_SUCCESS; +} + +/* + * revoke the session keyring for this process + */ +static int kill_keyrings(pam_handle_t *pamh, int error_ret) +{ + uid_t old_uid; + gid_t old_gid; + int ret = PAM_SUCCESS; + + /* revoke the session keyring we created earlier */ + if (my_session_keyring > 0) { + debug(pamh, "REVOKE %d", my_session_keyring); + + old_uid = geteuid(); + old_gid = getegid(); + debug(pamh, "UID:%d [%d] GID:%d [%d]", + revoke_as_uid, old_uid, revoke_as_gid, old_gid); + + /* switch to the real UID and GID so that we have permission to + * revoke the key */ + if (revoke_as_gid != old_gid && setregid(-1, revoke_as_gid) < 0) { + error(pamh, "Unable to change GID to %d temporarily\n", revoke_as_gid); + return error_ret; + } + + if (revoke_as_uid != old_uid && setresuid(-1, revoke_as_uid, old_uid) < 0) { + error(pamh, "Unable to change UID to %d temporarily\n", revoke_as_uid); + if (getegid() != old_gid && setregid(-1, old_gid) < 0) + error(pamh, "Unable to change GID back to %d\n", old_gid); + return error_ret; + } + + if (syscall(__NR_keyctl, KEYCTL_REVOKE, my_session_keyring) < 0) { + ret = error_ret; + } + + /* return to the original UID and GID (probably root) */ + if (revoke_as_uid != old_uid && setreuid(-1, old_uid) < 0) { + error(pamh, "Unable to change UID back to %d\n", old_uid); + ret = error_ret; + } + + if (revoke_as_gid != old_gid && setregid(-1, old_gid) < 0) { + error(pamh, "Unable to change GID back to %d\n", old_gid); + ret = error_ret; + } + + my_session_keyring = 0; + } + return ret; +} + +static int do_keyinit(pam_handle_t *pamh, int argc, const char **argv, int error_ret) +{ + struct passwd *pw; + const char *username; + int ret, loop, force = 0; + uid_t old_uid, uid; + gid_t old_gid, gid; + + for (loop = 0; loop < argc; loop++) { + if (strcmp(argv[loop], "force") == 0) + force = 1; + else if (strcmp(argv[loop], "debug") == 0) + xdebug = 1; + else if (strcmp(argv[loop], "revoke") == 0) + do_revoke = 1; + } + + /* don't do anything if already created a keyring (will be called + * multiple times if mentioned more than once in a pam script) + */ + if (my_session_keyring > 0) + return PAM_SUCCESS; + + /* look up the target UID */ + ret = pam_get_user(pamh, &username, "key user"); + if (ret != PAM_SUCCESS) + return ret; + + pw = pam_modutil_getpwnam(pamh, username); + if (!pw) { + pam_syslog(pamh, LOG_NOTICE, "Unable to look up user \"%s\"\n", + username); + return PAM_USER_UNKNOWN; + } + + revoke_as_uid = uid = pw->pw_uid; + old_uid = getuid(); + revoke_as_gid = gid = pw->pw_gid; + old_gid = getgid(); + debug(pamh, "UID:%d [%d] GID:%d [%d]", uid, old_uid, gid, old_gid); + + /* switch to the real UID and GID so that the keyring ends up owned by + * the right user */ + if (gid != old_gid && setregid(gid, -1) < 0) { + error(pamh, "Unable to change GID to %d temporarily\n", gid); + return error_ret; + } + + if (uid != old_uid && setreuid(uid, -1) < 0) { + error(pamh, "Unable to change UID to %d temporarily\n", uid); + if (setregid(old_gid, -1) < 0) + error(pamh, "Unable to change GID back to %d\n", old_gid); + return error_ret; + } + + ret = init_keyrings(pamh, force, error_ret); + + /* return to the original UID and GID (probably root) */ + if (uid != old_uid && setreuid(old_uid, -1) < 0) { + error(pamh, "Unable to change UID back to %d\n", old_uid); + ret = error_ret; + } + + if (gid != old_gid && setregid(old_gid, -1) < 0) { + error(pamh, "Unable to change GID back to %d\n", old_gid); + ret = error_ret; + } + + return ret; +} + +/* + * Dummy + */ +int pam_sm_authenticate(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_IGNORE; +} + +/* + * since setcred and open_session are called in different orders, a + * session ring is invoked by the first of these functions called. + */ +int pam_sm_setcred(pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + if (flags & PAM_ESTABLISH_CRED) { + debug(pamh, "ESTABLISH_CRED"); + return do_keyinit(pamh, argc, argv, PAM_CRED_ERR); + } + if (flags & PAM_DELETE_CRED && my_session_keyring > 0 && do_revoke) { + debug(pamh, "DELETE_CRED"); + return kill_keyrings(pamh, PAM_CRED_ERR); + } + return PAM_IGNORE; +} + +int pam_sm_open_session(pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + session_counter++; + + debug(pamh, "OPEN %d", session_counter); + + return do_keyinit(pamh, argc, argv, PAM_SESSION_ERR); +} + +/* + * close a PAM session by revoking the session keyring if requested + */ +int pam_sm_close_session(pam_handle_t *pamh, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + debug(pamh, "CLOSE %d,%d,%d", + session_counter, my_session_keyring, do_revoke); + + session_counter--; + + if (session_counter <= 0 && my_session_keyring > 0 && do_revoke) + kill_keyrings(pamh, PAM_SESSION_ERR); + + return PAM_SUCCESS; +} diff --git a/modules/pam_keyinit/tst-pam_keyinit b/modules/pam_keyinit/tst-pam_keyinit new file mode 100755 index 0000000..f0a7b9b --- /dev/null +++ b/modules/pam_keyinit/tst-pam_keyinit @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_keyinit.so diff --git a/modules/pam_lastlog/Makefile.am b/modules/pam_lastlog/Makefile.am new file mode 100644 index 0000000..dc0c7c4 --- /dev/null +++ b/modules/pam_lastlog/Makefile.am @@ -0,0 +1,33 @@ +# +# Copyright (c) 2005, 2006, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_lastlog.8 +endif +XMLS = README.xml pam_lastlog.8.xml +dist_check_SCRIPTS = tst-pam_lastlog +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_lastlog.la +pam_lastlog_la_LIBADD = $(top_builddir)/libpam/libpam.la -lutil + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_lastlog/Makefile.in b/modules/pam_lastlog/Makefile.in new file mode 100644 index 0000000..16baea8 --- /dev/null +++ b/modules/pam_lastlog/Makefile.in @@ -0,0 +1,1150 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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In addition, the module maintains the /var/log/lastlog file. + +Some applications may perform this function themselves. In such cases, this +module is not necessary. + +The module checks LASTLOG_UID_MAX option in /etc/login.defs and does not update +or display last login records for users with UID higher than its value. If the +option is not present or its value is invalid, no user ID limit is applied. + +If the module is called in the auth or account phase, the accounts that were +not used recently enough will be disallowed to log in. The check is not +performed for the root account so the root is never locked out. It is also not +performed for users with UID higher than the LASTLOG_UID_MAX value. + +OPTIONS + +debug + + Print debug information. + +silent + + Don't inform the user about any previous login, just update the /var/log/ + lastlog file. This option does not affect display of bad login attempts. + +never + + If the /var/log/lastlog file does not contain any old entries for the user, + indicate that the user has never previously logged in with a welcome + message. + +nodate + + Don't display the date of the last login. + +noterm + + Don't display the terminal name on which the last login was attempted. + +nohost + + Don't indicate from which host the last login was attempted. + +nowtmp + + Don't update the wtmp entry. + +noupdate + + Don't update any file. + +showfailed + + Display number of failed login attempts and the date of the last failed + attempt from btmp. The date is not displayed when nodate is specified. + +inactive= + + This option is specific for the auth or account phase. It specifies the + number of days after the last login of the user when the user will be + locked out by the module. The default value is 90. + +unlimited + + If the fsize limit is set, this option can be used to override it, + preventing failures on systems with large UID values that lead lastlog to + become a huge sparse file. + +EXAMPLES + +Add the following line to /etc/pam.d/login to display the last login time of a +user: + + session required pam_lastlog.so nowtmp + + +To reject the user if he did not login during the previous 50 days the +following line can be used: + + auth required pam_lastlog.so inactive=50 + + +AUTHOR + +pam_lastlog was written by Andrew G. Morgan . + +Inactive account lock out added by Tomáš Mráz . + diff --git a/modules/pam_lastlog/README.xml b/modules/pam_lastlog/README.xml new file mode 100644 index 0000000..7fe7033 --- /dev/null +++ b/modules/pam_lastlog/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_lastlog.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_lastlog-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_lastlog/pam_lastlog.8 b/modules/pam_lastlog/pam_lastlog.8 new file mode 100644 index 0000000..325456e --- /dev/null +++ b/modules/pam_lastlog/pam_lastlog.8 @@ -0,0 +1,197 @@ +'\" t +.\" Title: pam_lastlog +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_LASTLOG" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_lastlog \- PAM module to display date of last login and perform inactive account lock out +.SH "SYNOPSIS" +.HP \w'\fBpam_lastlog\&.so\fR\ 'u +\fBpam_lastlog\&.so\fR [debug] [silent] [never] [nodate] [nohost] [noterm] [nowtmp] [noupdate] [showfailed] [inactive=] [unlimited] +.SH "DESCRIPTION" +.PP +pam_lastlog is a PAM module to display a line of information about the last login of the user\&. In addition, the module maintains the +/var/log/lastlog +file\&. +.PP +Some applications may perform this function themselves\&. In such cases, this module is not necessary\&. +.PP +The module checks +\fBLASTLOG_UID_MAX\fR +option in +/etc/login\&.defs +and does not update or display last login records for users with UID higher than its value\&. If the option is not present or its value is invalid, no user ID limit is applied\&. +.PP +If the module is called in the auth or account phase, the accounts that were not used recently enough will be disallowed to log in\&. The check is not performed for the root account so the root is never locked out\&. It is also not performed for users with UID higher than the +\fBLASTLOG_UID_MAX\fR +value\&. +.SH "OPTIONS" +.PP +\fBdebug\fR +.RS 4 +Print debug information\&. +.RE +.PP +\fBsilent\fR +.RS 4 +Don\*(Aqt inform the user about any previous login, just update the +/var/log/lastlog +file\&. This option does not affect display of bad login attempts\&. +.RE +.PP +\fBnever\fR +.RS 4 +If the +/var/log/lastlog +file does not contain any old entries for the user, indicate that the user has never previously logged in with a welcome message\&. +.RE +.PP +\fBnodate\fR +.RS 4 +Don\*(Aqt display the date of the last login\&. +.RE +.PP +\fBnoterm\fR +.RS 4 +Don\*(Aqt display the terminal name on which the last login was attempted\&. +.RE +.PP +\fBnohost\fR +.RS 4 +Don\*(Aqt indicate from which host the last login was attempted\&. +.RE +.PP +\fBnowtmp\fR +.RS 4 +Don\*(Aqt update the wtmp entry\&. +.RE +.PP +\fBnoupdate\fR +.RS 4 +Don\*(Aqt update any file\&. +.RE +.PP +\fBshowfailed\fR +.RS 4 +Display number of failed login attempts and the date of the last failed attempt from btmp\&. The date is not displayed when +\fBnodate\fR +is specified\&. +.RE +.PP +\fBinactive=\fR +.RS 4 +This option is specific for the auth or account phase\&. It specifies the number of days after the last login of the user when the user will be locked out by the module\&. The default value is 90\&. +.RE +.PP +\fBunlimited\fR +.RS 4 +If the +\fIfsize\fR +limit is set, this option can be used to override it, preventing failures on systems with large UID values that lead lastlog to become a huge sparse file\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +The +\fBauth\fR +and +\fBaccount\fR +module type allows one to lock out users who did not login recently enough\&. The +\fBsession\fR +module type is provided for displaying the information about the last login and/or updating the lastlog and wtmp files\&. +.SH "RETURN VALUES" +.PP +.PP +PAM_SUCCESS +.RS 4 +Everything was successful\&. +.RE +.PP +PAM_SERVICE_ERR +.RS 4 +Internal service module error\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +User not known\&. +.RE +.PP +PAM_AUTH_ERR +.RS 4 +User locked out in the auth or account phase due to inactivity\&. +.RE +.PP +PAM_IGNORE +.RS 4 +There was an error during reading the lastlog file in the auth or account phase and thus inactivity of the user cannot be determined\&. +.RE +.SH "EXAMPLES" +.PP +Add the following line to +/etc/pam\&.d/login +to display the last login time of a user: +.sp +.if n \{\ +.RS 4 +.\} +.nf + session required pam_lastlog\&.so nowtmp + +.fi +.if n \{\ +.RE +.\} +.PP +To reject the user if he did not login during the previous 50 days the following line can be used: +.sp +.if n \{\ +.RS 4 +.\} +.nf + auth required pam_lastlog\&.so inactive=50 + +.fi +.if n \{\ +.RE +.\} +.SH "FILES" +.PP +/var/log/lastlog +.RS 4 +Lastlog logging file +.RE +.SH "SEE ALSO" +.PP +\fBlimits.conf\fR(5), +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_lastlog was written by Andrew G\&. Morgan \&. +.PP +Inactive account lock out added by Tomáš Mráz \&. diff --git a/modules/pam_lastlog/pam_lastlog.8.xml b/modules/pam_lastlog/pam_lastlog.8.xml new file mode 100644 index 0000000..bada2ea --- /dev/null +++ b/modules/pam_lastlog/pam_lastlog.8.xml @@ -0,0 +1,343 @@ + + + + + + + pam_lastlog + 8 + Linux-PAM Manual + + + + pam_lastlog + PAM module to display date of last login and perform inactive account lock out + + + + + pam_lastlog.so + + debug + + + silent + + + never + + + nodate + + + nohost + + + noterm + + + nowtmp + + + noupdate + + + showfailed + + + inactive=<days> + + + unlimited + + + + + + + DESCRIPTION + + + pam_lastlog is a PAM module to display a line of information + about the last login of the user. In addition, the module maintains + the /var/log/lastlog file. + + + Some applications may perform this function themselves. In such + cases, this module is not necessary. + + + The module checks option in + /etc/login.defs and does not update or display + last login records for users with UID higher than its value. + If the option is not present or its value is invalid, no user ID + limit is applied. + + + If the module is called in the auth or account phase, the accounts that + were not used recently enough will be disallowed to log in. The + check is not performed for the root account so the root is never + locked out. It is also not performed for users with UID higher + than the value. + + + + + + OPTIONS + + + + + + + + Print debug information. + + + + + + + + + + Don't inform the user about any previous login, + just update the /var/log/lastlog file. + This option does not affect display of bad login attempts. + + + + + + + + + + If the /var/log/lastlog file does + not contain any old entries for the user, indicate that + the user has never previously logged in with a welcome + message. + + + + + + + + + + Don't display the date of the last login. + + + + + + + + + + Don't display the terminal name on which the + last login was attempted. + + + + + + + + + + Don't indicate from which host the last login was + attempted. + + + + + + + + + + Don't update the wtmp entry. + + + + + + + + + + Don't update any file. + + + + + + + + + + Display number of failed login attempts and the date of the + last failed attempt from btmp. The date is not displayed + when is specified. + + + + + + + + + + This option is specific for the auth or account phase. It + specifies the number of days after the last login of the user + when the user will be locked out by the module. The default + value is 90. + + + + + + + + + + If the fsize limit is set, this option can be + used to override it, preventing failures on systems with large UID + values that lead lastlog to become a huge sparse file. + + + + + + + + MODULE TYPES PROVIDED + + The and module type + allows one to lock out users who did not login recently enough. + The module type is provided for displaying + the information about the last login and/or updating the lastlog and + wtmp files. + + + + + RETURN VALUES + + + + + PAM_SUCCESS + + + Everything was successful. + + + + + + PAM_SERVICE_ERR + + + Internal service module error. + + + + + + PAM_USER_UNKNOWN + + + User not known. + + + + + + PAM_AUTH_ERR + + + User locked out in the auth or account phase due to + inactivity. + + + + + + PAM_IGNORE + + + There was an error during reading the lastlog file + in the auth or account phase and thus inactivity + of the user cannot be determined. + + + + + + + + + + EXAMPLES + + Add the following line to /etc/pam.d/login to + display the last login time of a user: + + + session required pam_lastlog.so nowtmp + + + To reject the user if he did not login during the previous 50 days + the following line can be used: + + + auth required pam_lastlog.so inactive=50 + + + + + FILES + + + /var/log/lastlog + + Lastlog logging file + + + + + + + SEE ALSO + + + limits.conf5 + , + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_lastlog was written by Andrew G. Morgan <morgan@kernel.org>. + + + Inactive account lock out added by Tomáš Mráz <tm@t8m.info>. + + + + diff --git a/modules/pam_lastlog/pam_lastlog.c b/modules/pam_lastlog/pam_lastlog.c new file mode 100644 index 0000000..abd048d --- /dev/null +++ b/modules/pam_lastlog/pam_lastlog.c @@ -0,0 +1,804 @@ +/* + * pam_lastlog module + * + * Written by Andrew Morgan 1996/3/11 + * + * This module does the necessary work to display the last login + * time+date for this user, it then updates this entry for the + * present (login) service. + */ + +#include "config.h" + +#include +#include +#include +#ifdef HAVE_UTMP_H +# include +#else +# include +#endif +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#if defined(hpux) || defined(sunos) || defined(solaris) +# ifndef _PATH_LASTLOG +# define _PATH_LASTLOG "/usr/adm/lastlog" +# endif /* _PATH_LASTLOG */ +# ifndef UT_HOSTSIZE +# define UT_HOSTSIZE 16 +# endif /* UT_HOSTSIZE */ +# ifndef UT_LINESIZE +# define UT_LINESIZE 12 +# endif /* UT_LINESIZE */ +#endif +#if defined(hpux) +struct lastlog { + time_t ll_time; + char ll_line[UT_LINESIZE]; + char ll_host[UT_HOSTSIZE]; /* same as in utmp */ +}; +#endif /* hpux */ + +#ifndef _PATH_BTMP +# define _PATH_BTMP "/var/log/btmp" +#endif + +#ifndef PATH_LOGIN_DEFS +# define PATH_LOGIN_DEFS "/etc/login.defs" +#endif + +/* XXX - time before ignoring lock. Is 1 sec enough? */ +#define LASTLOG_IGNORE_LOCK_TIME 1 + +#define DEFAULT_HOST "" /* "[no.where]" */ +#define DEFAULT_TERM "" /* "tt???" */ + +#define DEFAULT_INACTIVE_DAYS 90 +#define MAX_INACTIVE_DAYS 100000 + +#include +#include +#include +#include +#include "pam_inline.h" + +/* argument parsing */ + +#define LASTLOG_DATE 01 /* display the date of the last login */ +#define LASTLOG_HOST 02 /* display the last host used (if set) */ +#define LASTLOG_LINE 04 /* display the last terminal used */ +#define LASTLOG_NEVER 010 /* display a welcome message for first login */ +#define LASTLOG_DEBUG 020 /* send info to syslog(3) */ +#define LASTLOG_QUIET 040 /* keep quiet about things */ +#define LASTLOG_WTMP 0100 /* log to wtmp as well as lastlog */ +#define LASTLOG_BTMP 0200 /* display failed login info from btmp */ +#define LASTLOG_UPDATE 0400 /* update the lastlog and wtmp files (default) */ +#define LASTLOG_UNLIMITED 01000 /* unlimited file size (ignore 'fsize' limit) */ + +static int +_pam_auth_parse(pam_handle_t *pamh, int flags, int argc, const char **argv, + time_t *inactive) +{ + int ctrl = 0; + + *inactive = DEFAULT_INACTIVE_DAYS; + + /* does the application require quiet? */ + if (flags & PAM_SILENT) { + ctrl |= LASTLOG_QUIET; + } + + /* step through arguments */ + for (; argc-- > 0; ++argv) { + const char *str; + char *ep = NULL; + long l; + + if (!strcmp(*argv,"debug")) { + ctrl |= LASTLOG_DEBUG; + } else if (!strcmp(*argv,"silent")) { + ctrl |= LASTLOG_QUIET; + } else if ((str = pam_str_skip_prefix(*argv, "inactive=")) != NULL) { + l = strtol(str, &ep, 10); + if (ep != str && l > 0 && l < MAX_INACTIVE_DAYS) + *inactive = l; + else { + pam_syslog(pamh, LOG_ERR, "bad option value: %s", *argv); + } + } else { + pam_syslog(pamh, LOG_ERR, "unknown option: %s", *argv); + } + } + + D(("ctrl = %o", ctrl)); + return ctrl; +} + +static int +_pam_session_parse(pam_handle_t *pamh, int flags, int argc, const char **argv) +{ + int ctrl=(LASTLOG_DATE|LASTLOG_HOST|LASTLOG_LINE|LASTLOG_WTMP|LASTLOG_UPDATE); + + /* step through arguments */ + for (; argc-- > 0; ++argv) { + + /* generic options */ + + if (!strcmp(*argv,"debug")) { + ctrl |= LASTLOG_DEBUG; + } else if (!strcmp(*argv,"nodate")) { + ctrl &= ~LASTLOG_DATE; + } else if (!strcmp(*argv,"noterm")) { + ctrl &= ~LASTLOG_LINE; + } else if (!strcmp(*argv,"nohost")) { + ctrl &= ~LASTLOG_HOST; + } else if (!strcmp(*argv,"silent")) { + ctrl |= LASTLOG_QUIET; + } else if (!strcmp(*argv,"never")) { + ctrl |= LASTLOG_NEVER; + } else if (!strcmp(*argv,"nowtmp")) { + ctrl &= ~LASTLOG_WTMP; + } else if (!strcmp(*argv,"noupdate")) { + ctrl &= ~(LASTLOG_WTMP|LASTLOG_UPDATE); + } else if (!strcmp(*argv,"showfailed")) { + ctrl |= LASTLOG_BTMP; + } else if (!strcmp(*argv,"unlimited")) { + ctrl |= LASTLOG_UNLIMITED; + } else { + pam_syslog(pamh, LOG_ERR, "unknown option: %s", *argv); + } + } + + /* does the application require quiet? */ + if (flags & PAM_SILENT) { + ctrl |= LASTLOG_QUIET; + ctrl &= ~LASTLOG_BTMP; + } + + D(("ctrl = %o", ctrl)); + return ctrl; +} + +static const char * +get_tty(pam_handle_t *pamh) +{ + const void *void_terminal_line = NULL; + const char *terminal_line; + const char *str; + + if (pam_get_item(pamh, PAM_TTY, &void_terminal_line) != PAM_SUCCESS + || void_terminal_line == NULL) { + terminal_line = DEFAULT_TERM; + } else { + terminal_line = void_terminal_line; + } + + /* strip leading "/dev/" from tty. */ + str = pam_str_skip_prefix(terminal_line, "/dev/"); + if (str != NULL) + terminal_line = str; + + D(("terminal = %s", terminal_line)); + return terminal_line; +} + +#define MAX_UID_VALUE 0xFFFFFFFFUL + +static uid_t +get_lastlog_uid_max(pam_handle_t *pamh) +{ + uid_t uid_max = MAX_UID_VALUE; + unsigned long ul; + char *s, *ep; + + s = pam_modutil_search_key(pamh, PATH_LOGIN_DEFS, "LASTLOG_UID_MAX"); + if (s == NULL) + return uid_max; + + ep = s + strlen(s); + while (ep > s && isspace(*(--ep))) { + *ep = '\0'; + } + errno = 0; + ul = strtoul(s, &ep, 10); + if (!(ul >= MAX_UID_VALUE + || (uid_t)ul >= MAX_UID_VALUE + || (errno != 0 && ul == 0) + || s == ep + || *ep != '\0')) { + uid_max = (uid_t)ul; + } + free(s); + + return uid_max; +} + +static int +last_login_open(pam_handle_t *pamh, int announce, uid_t uid) +{ + int last_fd; + + /* obtain the last login date and all the relevant info */ + last_fd = open(_PATH_LASTLOG, announce&LASTLOG_UPDATE ? O_RDWR : O_RDONLY); + if (last_fd < 0) { + if (errno == ENOENT && (announce & LASTLOG_UPDATE)) { + last_fd = open(_PATH_LASTLOG, O_RDWR|O_CREAT, + S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH); + if (last_fd < 0) { + pam_syslog(pamh, LOG_ERR, + "unable to create %s: %m", _PATH_LASTLOG); + D(("unable to create %s file", _PATH_LASTLOG)); + return -1; + } + pam_syslog(pamh, LOG_NOTICE, + "file %s created", _PATH_LASTLOG); + D(("file %s created", _PATH_LASTLOG)); + } else { + pam_syslog(pamh, LOG_ERR, "unable to open %s: %m", _PATH_LASTLOG); + D(("unable to open %s file", _PATH_LASTLOG)); + return -1; + } + } + + if (lseek(last_fd, sizeof(struct lastlog) * (off_t) uid, SEEK_SET) < 0) { + pam_syslog(pamh, LOG_ERR, "failed to lseek %s: %m", _PATH_LASTLOG); + D(("unable to lseek %s file", _PATH_LASTLOG)); + close(last_fd); + return -1; + } + + return last_fd; +} + + +static int +last_login_read(pam_handle_t *pamh, int announce, int last_fd, uid_t uid, time_t *lltime) +{ + struct flock last_lock; + struct lastlog last_login; + int retval = PAM_SUCCESS; + char the_time[256]; + char *date = NULL; + char *host = NULL; + char *line = NULL; + + memset(&last_lock, 0, sizeof(last_lock)); + last_lock.l_type = F_RDLCK; + last_lock.l_whence = SEEK_SET; + last_lock.l_start = sizeof(last_login) * (off_t) uid; + last_lock.l_len = sizeof(last_login); + + if (fcntl(last_fd, F_SETLK, &last_lock) < 0) { + D(("locking %s failed..(waiting a little)", _PATH_LASTLOG)); + pam_syslog(pamh, LOG_WARNING, + "file %s is locked/read", _PATH_LASTLOG); + sleep(LASTLOG_IGNORE_LOCK_TIME); + } + + if (pam_modutil_read(last_fd, (char *) &last_login, + sizeof(last_login)) != sizeof(last_login)) { + memset(&last_login, 0, sizeof(last_login)); + } + + last_lock.l_type = F_UNLCK; + (void) fcntl(last_fd, F_SETLK, &last_lock); /* unlock */ + + *lltime = last_login.ll_time; + if (!last_login.ll_time) { + if (announce & LASTLOG_DEBUG) { + pam_syslog(pamh, LOG_DEBUG, + "first login for user with uid %lu", + (unsigned long int)uid); + } + } + + if (!(announce & LASTLOG_QUIET)) { + + if (last_login.ll_time) { + + /* we want the date? */ + if (announce & LASTLOG_DATE) { + struct tm *tm, tm_buf; + time_t ll_time; + + ll_time = last_login.ll_time; + if ((tm = localtime_r (&ll_time, &tm_buf)) != NULL) { + strftime (the_time, sizeof (the_time), + /* TRANSLATORS: "strftime options for date of last login" */ + _(" %a %b %e %H:%M:%S %Z %Y"), tm); + date = the_time; + } + } + + /* we want & have the host? */ + if ((announce & LASTLOG_HOST) + && (last_login.ll_host[0] != '\0')) { + /* TRANSLATORS: " from " */ + if (asprintf(&host, _(" from %.*s"), UT_HOSTSIZE, + last_login.ll_host) < 0) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + retval = PAM_BUF_ERR; + goto cleanup; + } + } + + /* we want and have the terminal? */ + if ((announce & LASTLOG_LINE) + && (last_login.ll_line[0] != '\0')) { + /* TRANSLATORS: " on " */ + if (asprintf(&line, _(" on %.*s"), UT_LINESIZE, + last_login.ll_line) < 0) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + retval = PAM_BUF_ERR; + goto cleanup; + } + } + + if (date != NULL || host != NULL || line != NULL) + /* TRANSLATORS: "Last login: from on " */ + retval = pam_info(pamh, _("Last login:%s%s%s"), + date ? date : "", + host ? host : "", + line ? line : ""); + } else if (announce & LASTLOG_NEVER) { + D(("this is the first time this user has logged in")); + retval = pam_info(pamh, "%s", _("Welcome to your new account!")); + } + } + + /* cleanup */ + cleanup: + memset(&last_login, 0, sizeof(last_login)); + _pam_overwrite(date); + _pam_overwrite(host); + _pam_drop(host); + _pam_overwrite(line); + _pam_drop(line); + + return retval; +} + +static int +last_login_write(pam_handle_t *pamh, int announce, int last_fd, + uid_t uid, const char *user) +{ + static struct rlimit no_limit = { + RLIM_INFINITY, + RLIM_INFINITY + }; + struct rlimit old_limit; + int setrlimit_res; + struct flock last_lock; + struct lastlog last_login; + time_t ll_time; + const void *void_remote_host = NULL; + const char *remote_host; + const char *terminal_line; + int retval = PAM_SUCCESS; + + /* rewind */ + if (lseek(last_fd, sizeof(last_login) * (off_t) uid, SEEK_SET) < 0) { + pam_syslog(pamh, LOG_ERR, "failed to lseek %s: %m", _PATH_LASTLOG); + return PAM_SERVICE_ERR; + } + + memset(&last_login, 0, sizeof(last_login)); + + /* set this login date */ + D(("set the most recent login time")); + (void) time(&ll_time); /* set the time */ + last_login.ll_time = ll_time; + + /* set the remote host */ + if (pam_get_item(pamh, PAM_RHOST, &void_remote_host) != PAM_SUCCESS + || void_remote_host == NULL) { + remote_host = DEFAULT_HOST; + } else { + remote_host = void_remote_host; + } + + /* copy to last_login */ + strncat(last_login.ll_host, remote_host, sizeof(last_login.ll_host)-1); + + /* set the terminal line */ + terminal_line = get_tty(pamh); + + /* copy to last_login */ + strncat(last_login.ll_line, terminal_line, sizeof(last_login.ll_line)-1); + terminal_line = NULL; + + D(("locking lastlog file")); + + /* now we try to lock this file-record exclusively; non-blocking */ + memset(&last_lock, 0, sizeof(last_lock)); + last_lock.l_type = F_WRLCK; + last_lock.l_whence = SEEK_SET; + last_lock.l_start = sizeof(last_login) * (off_t) uid; + last_lock.l_len = sizeof(last_login); + + if (fcntl(last_fd, F_SETLK, &last_lock) < 0) { + D(("locking %s failed..(waiting a little)", _PATH_LASTLOG)); + pam_syslog(pamh, LOG_WARNING, "file %s is locked/write", _PATH_LASTLOG); + sleep(LASTLOG_IGNORE_LOCK_TIME); + } + + /* + * Failing to set the 'fsize' limit is not a fatal error. We try to write + * lastlog anyway, under the risk of dying due to a SIGXFSZ. + */ + D(("setting limit for 'fsize'")); + + if ((announce & LASTLOG_UNLIMITED) == 0) { /* don't set to unlimited */ + setrlimit_res = -1; + } else if (getrlimit(RLIMIT_FSIZE, &old_limit) == 0) { + if (old_limit.rlim_cur == RLIM_INFINITY) { /* already unlimited */ + setrlimit_res = -1; + } else { + setrlimit_res = setrlimit(RLIMIT_FSIZE, &no_limit); + if (setrlimit_res != 0) + pam_syslog(pamh, LOG_WARNING, "Could not set limit for 'fsize': %m"); + } + } else { + setrlimit_res = -1; + if (errno == EINVAL) { + pam_syslog(pamh, LOG_INFO, "Limit for 'fsize' not supported: %m"); + } else { + pam_syslog(pamh, LOG_WARNING, "Could not get limit for 'fsize': %m"); + } + } + + D(("writing to the lastlog file")); + if (pam_modutil_write (last_fd, (char *) &last_login, + sizeof (last_login)) != sizeof(last_login)) { + pam_syslog(pamh, LOG_ERR, "failed to write %s: %m", _PATH_LASTLOG); + retval = PAM_SERVICE_ERR; + } + + /* + * Failing to restore the 'fsize' limit is a fatal error. + */ + D(("restoring limit for 'fsize'")); + if (setrlimit_res == 0) { + setrlimit_res = setrlimit(RLIMIT_FSIZE, &old_limit); + if (setrlimit_res != 0) { + pam_syslog(pamh, LOG_ERR, "Could not restore limit for 'fsize': %m"); + retval = PAM_SERVICE_ERR; + } + } + + last_lock.l_type = F_UNLCK; + (void) fcntl(last_fd, F_SETLK, &last_lock); /* unlock */ + D(("unlocked")); + + if (announce & LASTLOG_WTMP) { + /* write wtmp entry for user */ + logwtmp(last_login.ll_line, user, remote_host); + } + + /* cleanup */ + memset(&last_login, 0, sizeof(last_login)); + + return retval; +} + +static int +last_login_date(pam_handle_t *pamh, int announce, uid_t uid, const char *user, time_t *lltime) +{ + int retval; + int last_fd; + + if (uid > get_lastlog_uid_max(pamh)) { + return PAM_SUCCESS; + } + + /* obtain the last login date and all the relevant info */ + last_fd = last_login_open(pamh, announce, uid); + if (last_fd < 0) { + return PAM_SERVICE_ERR; + } + + retval = last_login_read(pamh, announce, last_fd, uid, lltime); + if (retval != PAM_SUCCESS) + { + close(last_fd); + D(("error while reading lastlog file")); + return retval; + } + + if (announce & LASTLOG_UPDATE) { + retval = last_login_write(pamh, announce, last_fd, uid, user); + } + + close(last_fd); + D(("all done with last login")); + + return retval; +} + +static int +last_login_failed(pam_handle_t *pamh, int announce, const char *user, time_t lltime) +{ + int retval; + int fd; + struct utmp ut; + struct utmp utuser; + int failed = 0; + char the_time[256]; + char *date = NULL; + char *host = NULL; + char *line = NULL; + + if (strlen(user) > UT_NAMESIZE) { + pam_syslog(pamh, LOG_WARNING, "username too long, output might be inaccurate"); + } + + /* obtain the failed login attempt records from btmp */ + fd = open(_PATH_BTMP, O_RDONLY); + if (fd < 0) { + int save_errno = errno; + pam_syslog(pamh, LOG_ERR, "unable to open %s: %m", _PATH_BTMP); + D(("unable to open %s file", _PATH_BTMP)); + if (save_errno == ENOENT) + return PAM_SUCCESS; + else + return PAM_SERVICE_ERR; + } + + while ((retval=pam_modutil_read(fd, (void *)&ut, + sizeof(ut))) == sizeof(ut)) { + if (ut.ut_tv.tv_sec >= lltime && strncmp(ut.ut_user, user, UT_NAMESIZE) == 0) { + memcpy(&utuser, &ut, sizeof(utuser)); + failed++; + } + } + + if (retval != 0) + pam_syslog(pamh, LOG_ERR, "corruption detected in %s", _PATH_BTMP); + retval = PAM_SUCCESS; + + if (failed) { + /* we want the date? */ + if (announce & LASTLOG_DATE) { + struct tm *tm, tm_buf; + time_t lf_time; + + lf_time = utuser.ut_tv.tv_sec; + tm = localtime_r (&lf_time, &tm_buf); + strftime (the_time, sizeof (the_time), + /* TRANSLATORS: "strftime options for date of last login" */ + _(" %a %b %e %H:%M:%S %Z %Y"), tm); + + date = the_time; + } + + /* we want & have the host? */ + if ((announce & LASTLOG_HOST) + && (utuser.ut_host[0] != '\0')) { + /* TRANSLATORS: " from " */ + if (asprintf(&host, _(" from %.*s"), UT_HOSTSIZE, + utuser.ut_host) < 0) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + retval = PAM_BUF_ERR; + goto cleanup; + } + } + + /* we want and have the terminal? */ + if ((announce & LASTLOG_LINE) + && (utuser.ut_line[0] != '\0')) { + /* TRANSLATORS: " on " */ + if (asprintf(&line, _(" on %.*s"), UT_LINESIZE, + utuser.ut_line) < 0) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + retval = PAM_BUF_ERR; + goto cleanup; + } + } + + if (line != NULL || date != NULL || host != NULL) { + /* TRANSLATORS: "Last failed login: from on " */ + pam_info(pamh, _("Last failed login:%s%s%s"), + date ? date : "", + host ? host : "", + line ? line : ""); + } + + _pam_drop(line); +#if defined HAVE_DNGETTEXT && defined ENABLE_NLS + retval = asprintf (&line, dngettext(PACKAGE, + "There was %d failed login attempt since the last successful login.", + "There were %d failed login attempts since the last successful login.", + failed), + failed); +#else + if (failed == 1) + retval = asprintf(&line, + _("There was %d failed login attempt since the last successful login."), + failed); + else + retval = asprintf(&line, + /* TRANSLATORS: only used if dngettext is not supported */ + _("There were %d failed login attempts since the last successful login."), + failed); +#endif + if (retval >= 0) + retval = pam_info(pamh, "%s", line); + else { + retval = PAM_BUF_ERR; + line = NULL; + } + } + +cleanup: + free(host); + free(line); + close(fd); + D(("all done with btmp")); + + return retval; +} + +/* --- authentication (locking out inactive users) functions --- */ +int +pam_sm_authenticate(pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + int retval, ctrl; + const char *user = NULL; + const struct passwd *pwd; + uid_t uid; + time_t lltime = 0; + time_t inactive_days = 0; + int last_fd; + + /* + * Lock out the user if he did not login recently enough. + */ + + ctrl = _pam_auth_parse(pamh, flags, argc, argv, &inactive_days); + + /* which user? */ + + if (pam_get_user(pamh, &user, NULL) != PAM_SUCCESS) { + pam_syslog(pamh, LOG_NOTICE, "cannot determine user name"); + return PAM_USER_UNKNOWN; + } + + /* what uid? */ + + pwd = pam_modutil_getpwnam (pamh, user); + if (pwd == NULL) { + pam_syslog(pamh, LOG_NOTICE, "user unknown"); + return PAM_USER_UNKNOWN; + } + uid = pwd->pw_uid; + pwd = NULL; /* tidy up */ + + if (uid == 0 || uid > get_lastlog_uid_max(pamh)) + return PAM_SUCCESS; + + /* obtain the last login date and all the relevant info */ + last_fd = last_login_open(pamh, ctrl, uid); + if (last_fd < 0) { + return PAM_IGNORE; + } + + retval = last_login_read(pamh, ctrl|LASTLOG_QUIET, last_fd, uid, &lltime); + close(last_fd); + + if (retval != PAM_SUCCESS) { + D(("error while reading lastlog file")); + return PAM_IGNORE; + } + + if (lltime == 0) { /* user never logged in before */ + if (ctrl & LASTLOG_DEBUG) + pam_syslog(pamh, LOG_DEBUG, "user never logged in - pass"); + return PAM_SUCCESS; + } + + lltime = (time(NULL) - lltime) / (24*60*60); + + if (lltime > inactive_days) { + pam_syslog(pamh, LOG_INFO, "user %s inactive for %ld days - denied", + user, (long) lltime); + return PAM_AUTH_ERR; + } + + return PAM_SUCCESS; +} + +int +pam_sm_setcred(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_SUCCESS; +} + +int +pam_sm_acct_mgmt(pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + return pam_sm_authenticate(pamh, flags, argc, argv); +} + +/* --- session management functions --- */ + +int +pam_sm_open_session(pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + int retval, ctrl; + const void *user; + const struct passwd *pwd; + uid_t uid; + time_t lltime = 0; + + /* + * this module gets the uid of the PAM_USER. Uses it to display + * last login info and then updates the lastlog for that user. + */ + + ctrl = _pam_session_parse(pamh, flags, argc, argv); + + /* which user? */ + + retval = pam_get_item(pamh, PAM_USER, &user); + if (retval != PAM_SUCCESS || user == NULL || *(const char *)user == '\0') { + pam_syslog(pamh, LOG_NOTICE, "user unknown"); + return PAM_USER_UNKNOWN; + } + + /* what uid? */ + + pwd = pam_modutil_getpwnam (pamh, user); + if (pwd == NULL) { + D(("couldn't identify user %s", user)); + return PAM_USER_UNKNOWN; + } + uid = pwd->pw_uid; + pwd = NULL; /* tidy up */ + + /* process the current login attempt (indicate last) */ + + retval = last_login_date(pamh, ctrl, uid, user, &lltime); + + if ((ctrl & LASTLOG_BTMP) && retval == PAM_SUCCESS) { + retval = last_login_failed(pamh, ctrl, user, lltime); + } + + /* indicate success or failure */ + + uid = -1; /* forget this */ + + return retval; +} + +int +pam_sm_close_session (pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + const char *terminal_line; + + if (!(_pam_session_parse(pamh, flags, argc, argv) & LASTLOG_WTMP)) + return PAM_SUCCESS; + + terminal_line = get_tty(pamh); + + /* Wipe out utmp logout entry */ + logwtmp(terminal_line, "", ""); + + return PAM_SUCCESS; +} + +/* end of module definition */ diff --git a/modules/pam_lastlog/tst-pam_lastlog b/modules/pam_lastlog/tst-pam_lastlog new file mode 100755 index 0000000..ea9a5eb --- /dev/null +++ b/modules/pam_lastlog/tst-pam_lastlog @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_lastlog.so diff --git a/modules/pam_limits/Makefile.am b/modules/pam_limits/Makefile.am new file mode 100644 index 0000000..911b07b --- /dev/null +++ b/modules/pam_limits/Makefile.am @@ -0,0 +1,40 @@ +# +# Copyright (c) 2005, 2006, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = limits.conf.5 pam_limits.8 +endif +XMLS = README.xml limits.conf.5.xml pam_limits.8.xml +dist_check_SCRIPTS = tst-pam_limits +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) +limits_conf_dir = $(SCONFIGDIR)/limits.d + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + -DLIMITS_FILE_DIR=\"$(limits_conf_dir)/*.conf\" \ + -DLIMITS_FILE=\"$(SCONFIGDIR)/limits.conf\" $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_limits.la +pam_limits_la_LIBADD = $(top_builddir)/libpam/libpam.la + +dist_secureconf_DATA = limits.conf + +install-data-local: + mkdir -p $(DESTDIR)$(limits_conf_dir) + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_limits/Makefile.in b/modules/pam_limits/Makefile.in new file mode 100644 index 0000000..ac26508 --- /dev/null +++ b/modules/pam_limits/Makefile.in @@ -0,0 +1,1227 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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Users of uid=0 are affected by this limits, too. + +By default limits are taken from the /etc/security/limits.conf config file. +Then individual *.conf files from the /etc/security/limits.d/ directory are +read. The files are parsed one after another in the order of "C" locale. The +effect of the individual files is the same as if all the files were +concatenated together in the order of parsing. If a config file is explicitly +specified with a module option then the files in the above directory are not +parsed. + +The module must not be called by a multithreaded application. + +If Linux PAM is compiled with audit support the module will report when it +denies access based on limit of maximum number of concurrent login sessions. + +OPTIONS + +conf=/path/to/limits.conf + + Indicate an alternative limits.conf style configuration file to override + the default. + +debug + + Print debug information. + +set_all + + Set the limits for which no value is specified in the configuration file to + the one from the process with the PID 1. Please note that if the init + process is systemd these limits will not be the kernel default limits and + this option should not be used. + +utmp_early + + Some broken applications actually allocate a utmp entry for the user before + the user is admitted to the system. If some of the services you are + configuring PAM for do this, you can selectively use this module argument + to compensate for this behavior and at the same time maintain system-wide + consistency with a single limits.conf file. + +noaudit + + Do not report exceeded maximum logins count to the audit subsystem. + +EXAMPLES + +These are some example lines which might be specified in /etc/security/ +limits.conf. + +* soft core 0 +* hard nofile 512 +@student hard nproc 20 +@faculty soft nproc 20 +@faculty hard nproc 50 +ftp hard nproc 0 +@student - maxlogins 4 +@student - nonewprivs 1 +:123 hard cpu 5000 +@500: soft cpu 10000 +600:700 hard locks 10 + + diff --git a/modules/pam_limits/README.xml b/modules/pam_limits/README.xml new file mode 100644 index 0000000..964a5a2 --- /dev/null +++ b/modules/pam_limits/README.xml @@ -0,0 +1,39 @@ + + +--> + +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_limits.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_limits-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_limits/limits.conf b/modules/pam_limits/limits.conf new file mode 100644 index 0000000..e8a746c --- /dev/null +++ b/modules/pam_limits/limits.conf @@ -0,0 +1,61 @@ +# /etc/security/limits.conf +# +#This file sets the resource limits for the users logged in via PAM. +#It does not affect resource limits of the system services. +# +#Also note that configuration files in /etc/security/limits.d directory, +#which are read in alphabetical order, override the settings in this +#file in case the domain is the same or more specific. +#That means, for example, that setting a limit for wildcard domain here +#can be overridden with a wildcard setting in a config file in the +#subdirectory, but a user specific setting here can be overridden only +#with a user specific setting in the subdirectory. +# +#Each line describes a limit for a user in the form: +# +# +# +#Where: +# can be: +# - a user name +# - a group name, with @group syntax +# - the wildcard *, for default entry +# - the wildcard %, can be also used with %group syntax, +# for maxlogin limit +# +# can have the two values: +# - "soft" for enforcing the soft limits +# - "hard" for enforcing hard limits +# +# can be one of the following: +# - core - limits the core file size (KB) +# - data - max data size (KB) +# - fsize - maximum filesize (KB) +# - memlock - max locked-in-memory address space (KB) +# - nofile - max number of open file descriptors +# - rss - max resident set size (KB) +# - stack - max stack size (KB) +# - cpu - max CPU time (MIN) +# - nproc - max number of processes +# - as - address space limit (KB) +# - maxlogins - max number of logins for this user +# - maxsyslogins - max number of logins on the system +# - priority - the priority to run user process with +# - locks - max number of file locks the user can hold +# - sigpending - max number of pending signals +# - msgqueue - max memory used by POSIX message queues (bytes) +# - nice - max nice priority allowed to raise to values: [-20, 19] +# - rtprio - max realtime priority +# +# +# + +#* soft core 0 +#* hard rss 10000 +#@student hard nproc 20 +#@faculty soft nproc 20 +#@faculty hard nproc 50 +#ftp hard nproc 0 +#@student - maxlogins 4 + +# End of file diff --git a/modules/pam_limits/limits.conf.5 b/modules/pam_limits/limits.conf.5 new file mode 100644 index 0000000..a4a0ed3 --- /dev/null +++ b/modules/pam_limits/limits.conf.5 @@ -0,0 +1,349 @@ +'\" t +.\" Title: limits.conf +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "LIMITS\&.CONF" "5" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +limits.conf \- configuration file for the pam_limits module +.SH "DESCRIPTION" +.PP +The +\fIpam_limits\&.so\fR +module applies ulimit limits, nice priority and number of simultaneous login sessions limit to user login sessions\&. This description of the configuration file syntax applies to the +/etc/security/limits\&.conf +file and +*\&.conf +files in the +/etc/security/limits\&.d +directory\&. +.PP +The syntax of the lines is as follows: +.PP +\fI\fR +\fI\fR +\fI\fR +\fI\fR +.PP +The fields listed above should be filled as follows: +.PP +\fB\fR +.RS 4 +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +a username +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +a groupname, with +\fB@group\fR +syntax\&. This should not be confused with netgroups\&. +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +the wildcard +\fB*\fR, for default entry\&. +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +the wildcard +\fB%\fR, for maxlogins limit only, can also be used with +\fB%group\fR +syntax\&. If the +\fB%\fR +wildcard is used alone it is identical to using +\fB*\fR +with maxsyslogins limit\&. With a group specified after +\fB%\fR +it limits the total number of logins of all users that are member of the group\&. +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +an uid range specified as +\fI\fR\fB:\fR\fI\fR\&. If min_uid is omitted, the match is exact for the max_uid\&. If max_uid is omitted, all uids greater than or equal min_uid match\&. +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +a gid range specified as +\fB@\fR\fI\fR\fB:\fR\fI\fR\&. If min_gid is omitted, the match is exact for the max_gid\&. If max_gid is omitted, all gids greater than or equal min_gid match\&. For the exact match all groups including the user\*(Aqs supplementary groups are examined\&. For the range matches only the user\*(Aqs primary group is examined\&. +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +a gid specified as +\fB%:\fR\fI\fR +applicable to maxlogins limit only\&. It limits the total number of logins of all users that are member of the group with the specified gid\&. +.RE +.RE +.PP +\fB\fR +.RS 4 +.PP +\fBhard\fR +.RS 4 +for enforcing +\fBhard\fR +resource limits\&. These limits are set by the superuser and enforced by the Kernel\&. The user cannot raise his requirement of system resources above such values\&. +.RE +.PP +\fBsoft\fR +.RS 4 +for enforcing +\fBsoft\fR +resource limits\&. These limits are ones that the user can move up or down within the permitted range by any pre\-existing +\fBhard\fR +limits\&. The values specified with this token can be thought of as +\fIdefault\fR +values, for normal system usage\&. +.RE +.PP +\fB\-\fR +.RS 4 +for enforcing both +\fBsoft\fR +and +\fBhard\fR +resource limits together\&. +.sp +Note, if you specify a type of \*(Aq\-\*(Aq but neglect to supply the item and value fields then the module will never enforce any limits on the specified user/group etc\&. \&. +.RE +.RE +.PP +\fB\fR +.RS 4 +.PP +\fBcore\fR +.RS 4 +limits the core file size (KB) +.RE +.PP +\fBdata\fR +.RS 4 +maximum data size (KB) +.RE +.PP +\fBfsize\fR +.RS 4 +maximum filesize (KB) +.RE +.PP +\fBmemlock\fR +.RS 4 +maximum locked\-in\-memory address space (KB) +.RE +.PP +\fBnofile\fR +.RS 4 +maximum number of open file descriptors +.RE +.PP +\fBrss\fR +.RS 4 +maximum resident set size (KB) (Ignored in Linux 2\&.4\&.30 and higher) +.RE +.PP +\fBstack\fR +.RS 4 +maximum stack size (KB) +.RE +.PP +\fBcpu\fR +.RS 4 +maximum CPU time (minutes) +.RE +.PP +\fBnproc\fR +.RS 4 +maximum number of processes +.RE +.PP +\fBas\fR +.RS 4 +address space limit (KB) +.RE +.PP +\fBmaxlogins\fR +.RS 4 +maximum number of logins for this user (this limit does not apply to user with +\fIuid=0\fR) +.RE +.PP +\fBmaxsyslogins\fR +.RS 4 +maximum number of all logins on system; user is not allowed to log\-in if total number of all user logins is greater than specified number (this limit does not apply to user with +\fIuid=0\fR) +.RE +.PP +\fBnonewprivs\fR +.RS 4 +value of 0 or 1; if set to 1 disables acquiring new privileges by invoking prctl(PR_SET_NO_NEW_PRIVS) +.RE +.PP +\fBpriority\fR +.RS 4 +the priority to run user process with (negative values boost process priority) +.RE +.PP +\fBlocks\fR +.RS 4 +maximum locked files (Linux 2\&.4 and higher) +.RE +.PP +\fBsigpending\fR +.RS 4 +maximum number of pending signals (Linux 2\&.6 and higher) +.RE +.PP +\fBmsgqueue\fR +.RS 4 +maximum memory used by POSIX message queues (bytes) (Linux 2\&.6 and higher) +.RE +.PP +\fBnice\fR +.RS 4 +maximum nice priority allowed to raise to (Linux 2\&.6\&.12 and higher) values: [\-20,19] +.RE +.PP +\fBrtprio\fR +.RS 4 +maximum realtime priority allowed for non\-privileged processes (Linux 2\&.6\&.12 and higher) +.RE +.RE +.PP +All items support the values +\fI\-1\fR, +\fIunlimited\fR +or +\fIinfinity\fR +indicating no limit, except for +\fBpriority\fR, +\fBnice\fR, and +\fBnonewprivs\fR\&. If +\fBnofile\fR +is to be set to one of these values, it will be set to the contents of /proc/sys/fs/nr_open instead (see setrlimit(3))\&. +.PP +If a hard limit or soft limit of a resource is set to a valid value, but outside of the supported range of the local system, the system may reject the new limit or unexpected behavior may occur\&. If the control value +\fIrequired\fR +is used, the module will reject the login if a limit could not be set\&. +.PP +In general, individual limits have priority over group limits, so if you impose no limits for +\fIadmin\fR +group, but one of the members in this group have a limits line, the user will have its limits set according to this line\&. +.PP +Also, please note that all limit settings are set +\fIper login\fR\&. They are not global, nor are they permanent; existing only for the duration of the session\&. One exception is the +\fImaxlogin\fR +option, this one is system wide\&. But there is a race, concurrent logins at the same time will not always be detect as such but only counted as one\&. +.PP +In the +\fIlimits\fR +configuration file, the \*(Aq\fB#\fR\*(Aq character introduces a comment \- after which the rest of the line is ignored\&. +.PP +The pam_limits module does report configuration problems found in its configuration file and errors via +\fBsyslog\fR(3)\&. +.SH "EXAMPLES" +.PP +These are some example lines which might be specified in +/etc/security/limits\&.conf\&. +.sp +.if n \{\ +.RS 4 +.\} +.nf +* soft core 0 +* hard nofile 512 +@student hard nproc 20 +@faculty soft nproc 20 +@faculty hard nproc 50 +ftp hard nproc 0 +@student \- maxlogins 4 +@student \- nonewprivs 1 +:123 hard cpu 5000 +@500: soft cpu 10000 +600:700 hard locks 10 + +.fi +.if n \{\ +.RE +.\} +.SH "SEE ALSO" +.PP +\fBpam_limits\fR(8), +\fBpam.d\fR(5), +\fBpam\fR(8), +\fBgetrlimit\fR(2), +\fBgetrlimit\fR(3p) +.SH "AUTHOR" +.PP +pam_limits was initially written by Cristian Gafton diff --git a/modules/pam_limits/limits.conf.5.xml b/modules/pam_limits/limits.conf.5.xml new file mode 100644 index 0000000..c5bd676 --- /dev/null +++ b/modules/pam_limits/limits.conf.5.xml @@ -0,0 +1,360 @@ + + + + + + + limits.conf + 5 + Linux-PAM Manual + + + + limits.conf + configuration file for the pam_limits module + + + + DESCRIPTION + + The pam_limits.so module applies ulimit limits, + nice priority and number of simultaneous login sessions limit to user + login sessions. This description of the configuration file syntax + applies to the /etc/security/limits.conf file and + *.conf files in the + /etc/security/limits.d directory. + + + The syntax of the lines is as follows: + + + <domain> <type> + <item> <value> + + + The fields listed above should be filled as follows: + + + + + + + + + + + a username + + + + + a groupname, with @group syntax. + This should not be confused with netgroups. + + + + + the wildcard *, for default entry. + + + + + the wildcard %, for maxlogins limit only, + can also be used with %group syntax. If the + % wildcard is used alone it is identical + to using * with maxsyslogins limit. With + a group specified after % it limits the total + number of logins of all users that are member of the group. + + + + + an uid range specified as <min_uid>:<max_uid>. If min_uid + is omitted, the match is exact for the max_uid. If max_uid is omitted, all + uids greater than or equal min_uid match. + + + + + a gid range specified as @<min_gid>:<max_gid>. If min_gid + is omitted, the match is exact for the max_gid. If max_gid is omitted, all + gids greater than or equal min_gid match. For the exact match all groups including + the user's supplementary groups are examined. For the range matches only + the user's primary group is examined. + + + + + a gid specified as %:<gid> applicable + to maxlogins limit only. It limits the total number of logins of all users + that are member of the group with the specified gid. + + + + + + + + + + + + + + + + + for enforcing hard resource limits. + These limits are set by the superuser and enforced by the Kernel. + The user cannot raise his requirement of system resources above such values. + + + + + + + + for enforcing soft resource limits. + These limits are ones that the user can move up or down within the + permitted range by any pre-existing hard + limits. The values specified with this token can be thought of as + default values, for normal system usage. + + + + + + + + for enforcing both soft and + hard resource limits together. + + + Note, if you specify a type of '-' but neglect to supply the + item and value fields then the module will never enforce any + limits on the specified user/group etc. . + + + + + + + + + + + + + + + + + limits the core file size (KB) + + + + + + maximum data size (KB) + + + + + + maximum filesize (KB) + + + + + + maximum locked-in-memory address space (KB) + + + + + + maximum number of open file descriptors + + + + + + maximum resident set size (KB) (Ignored in Linux 2.4.30 and higher) + + + + + + maximum stack size (KB) + + + + + + maximum CPU time (minutes) + + + + + + maximum number of processes + + + + + + address space limit (KB) + + + + + + maximum number of logins for this user (this limit does + not apply to user with uid=0) + + + + + + maximum number of all logins on system; user is not + allowed to log-in if total number of all user logins is + greater than specified number (this limit does not apply to + user with uid=0) + + + + + + value of 0 or 1; if set to 1 disables acquiring new + privileges by invoking prctl(PR_SET_NO_NEW_PRIVS) + + + + + + the priority to run user process with (negative + values boost process priority) + + + + + + maximum locked files (Linux 2.4 and higher) + + + + + + maximum number of pending signals (Linux 2.6 and higher) + + + + + + maximum memory used by POSIX message queues (bytes) + (Linux 2.6 and higher) + + + + + + maximum nice priority allowed to raise to (Linux 2.6.12 and higher) values: [-20,19] + + + + + + maximum realtime priority allowed for non-privileged processes + (Linux 2.6.12 and higher) + + + + + + + + + All items support the values -1, + unlimited or infinity indicating no limit, + except for priority, nice, + and nonewprivs. + If nofile is to be set to one of these values, + it will be set to the contents of /proc/sys/fs/nr_open instead (see setrlimit(3)). + + + If a hard limit or soft limit of a resource is set to a valid value, + but outside of the supported range of the local system, the system + may reject the new limit or unexpected behavior may occur. If the + control value required is used, the module will + reject the login if a limit could not be set. + + + In general, individual limits have priority over group limits, so if + you impose no limits for admin group, but one of + the members in this group have a limits line, the user will have its + limits set according to this line. + + + Also, please note that all limit settings are set + per login. They are not global, nor are they + permanent; existing only for the duration of the session. + One exception is the maxlogin option, this one + is system wide. But there is a race, concurrent logins at the same + time will not always be detect as such but only counted as one. + + + In the limits configuration file, the + '#' character introduces a comment + - after which the rest of the line is ignored. + + + The pam_limits module does report configuration problems + found in its configuration file and errors via + syslog3. + + + + + EXAMPLES + + These are some example lines which might be specified in + /etc/security/limits.conf. + + +* soft core 0 +* hard nofile 512 +@student hard nproc 20 +@faculty soft nproc 20 +@faculty hard nproc 50 +ftp hard nproc 0 +@student - maxlogins 4 +@student - nonewprivs 1 +:123 hard cpu 5000 +@500: soft cpu 10000 +600:700 hard locks 10 + + + + + SEE ALSO + + pam_limits8, + pam.d5, + pam8, + getrlimit2, + getrlimit3p + + + + + AUTHOR + + pam_limits was initially written by Cristian Gafton <gafton@redhat.com> + + + diff --git a/modules/pam_limits/pam_limits.8 b/modules/pam_limits/pam_limits.8 new file mode 100644 index 0000000..50e9a10 --- /dev/null +++ b/modules/pam_limits/pam_limits.8 @@ -0,0 +1,152 @@ +'\" t +.\" Title: pam_limits +.\" Author: [see the "AUTHORS" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_LIMITS" "8" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_limits \- PAM module to limit resources +.SH "SYNOPSIS" +.HP \w'\fBpam_limits\&.so\fR\ 'u +\fBpam_limits\&.so\fR [conf=\fI/path/to/limits\&.conf\fR] [debug] [set_all] [utmp_early] [noaudit] +.SH "DESCRIPTION" +.PP +The pam_limits PAM module sets limits on the system resources that can be obtained in a user\-session\&. Users of +\fIuid=0\fR +are affected by this limits, too\&. +.PP +By default limits are taken from the +/etc/security/limits\&.conf +config file\&. Then individual *\&.conf files from the +/etc/security/limits\&.d/ +directory are read\&. The files are parsed one after another in the order of "C" locale\&. The effect of the individual files is the same as if all the files were concatenated together in the order of parsing\&. If a config file is explicitly specified with a module option then the files in the above directory are not parsed\&. +.PP +The module must not be called by a multithreaded application\&. +.PP +If Linux PAM is compiled with audit support the module will report when it denies access based on limit of maximum number of concurrent login sessions\&. +.SH "OPTIONS" +.PP +\fBconf=\fR\fB\fI/path/to/limits\&.conf\fR\fR +.RS 4 +Indicate an alternative limits\&.conf style configuration file to override the default\&. +.RE +.PP +\fBdebug\fR +.RS 4 +Print debug information\&. +.RE +.PP +\fBset_all\fR +.RS 4 +Set the limits for which no value is specified in the configuration file to the one from the process with the PID 1\&. Please note that if the init process is systemd these limits will not be the kernel default limits and this option should not be used\&. +.RE +.PP +\fButmp_early\fR +.RS 4 +Some broken applications actually allocate a utmp entry for the user before the user is admitted to the system\&. If some of the services you are configuring PAM for do this, you can selectively use this module argument to compensate for this behavior and at the same time maintain system\-wide consistency with a single limits\&.conf file\&. +.RE +.PP +\fBnoaudit\fR +.RS 4 +Do not report exceeded maximum logins count to the audit subsystem\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +Only the +\fBsession\fR +module type is provided\&. +.SH "RETURN VALUES" +.PP +PAM_ABORT +.RS 4 +Cannot get current limits\&. +.RE +.PP +PAM_IGNORE +.RS 4 +No limits found for this user\&. +.RE +.PP +PAM_PERM_DENIED +.RS 4 +New limits could not be set\&. +.RE +.PP +PAM_SERVICE_ERR +.RS 4 +Cannot read config file\&. +.RE +.PP +PAM_SESSION_ERR +.RS 4 +Error recovering account name\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Limits were changed\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +The user is not known to the system\&. +.RE +.SH "FILES" +.PP +/etc/security/limits\&.conf +.RS 4 +Default configuration file +.RE +.SH "EXAMPLES" +.PP +For the services you need resources limits (login for example) put a the following line in +/etc/pam\&.d/login +as the last line for that service (usually after the pam_unix session line): +.sp +.if n \{\ +.RS 4 +.\} +.nf +#%PAM\-1\&.0 +# +# Resource limits imposed on login sessions via pam_limits +# +session required pam_limits\&.so + +.fi +.if n \{\ +.RE +.\} +.PP +Replace "login" for each service you are using this module\&. +.SH "SEE ALSO" +.PP +\fBlimits.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8)\&. +.SH "AUTHORS" +.PP +pam_limits was initially written by Cristian Gafton diff --git a/modules/pam_limits/pam_limits.8.xml b/modules/pam_limits/pam_limits.8.xml new file mode 100644 index 0000000..bc46cbf --- /dev/null +++ b/modules/pam_limits/pam_limits.8.xml @@ -0,0 +1,257 @@ + + + + + + + pam_limits + 8 + Linux-PAM Manual + + + + pam_limits + + PAM module to limit resources + + + + + + + + pam_limits.so + + conf=/path/to/limits.conf + + + debug + + + set_all + + + utmp_early + + + noaudit + + + + + + + DESCRIPTION + + The pam_limits PAM module sets limits on the system resources that can be + obtained in a user-session. Users of uid=0 are affected + by this limits, too. + + + By default limits are taken from the /etc/security/limits.conf + config file. Then individual *.conf files from the /etc/security/limits.d/ + directory are read. The files are parsed one after another in the order of "C" locale. + The effect of the individual files is the same as if all the files were + concatenated together in the order of parsing. + If a config file is explicitly specified with a module option then the + files in the above directory are not parsed. + + + The module must not be called by a multithreaded application. + + + If Linux PAM is compiled with audit support the module will report + when it denies access based on limit of maximum number of concurrent + login sessions. + + + + + OPTIONS + + + + + + + + Indicate an alternative limits.conf style configuration file to + override the default. + + + + + + + + + + Print debug information. + + + + + + + + + + Set the limits for which no value is specified in the + configuration file to the one from the process with the + PID 1. Please note that if the init process is systemd + these limits will not be the kernel default limits and + this option should not be used. + + + + + + + + + + Some broken applications actually allocate a utmp entry for + the user before the user is admitted to the system. If some + of the services you are configuring PAM for do this, you can + selectively use this module argument to compensate for this + behavior and at the same time maintain system-wide consistency + with a single limits.conf file. + + + + + + + + + + Do not report exceeded maximum logins count to the audit subsystem. + + + + + + + + MODULE TYPES PROVIDED + + Only the module type is provided. + + + + + RETURN VALUES + + + PAM_ABORT + + + Cannot get current limits. + + + + + PAM_IGNORE + + + No limits found for this user. + + + + + PAM_PERM_DENIED + + + New limits could not be set. + + + + + PAM_SERVICE_ERR + + + Cannot read config file. + + + + + PAM_SESSION_ERR + + + Error recovering account name. + + + + + PAM_SUCCESS + + + Limits were changed. + + + + + PAM_USER_UNKNOWN + + + The user is not known to the system. + + + + + + + + FILES + + + /etc/security/limits.conf + + Default configuration file + + + + + + + EXAMPLES + + For the services you need resources limits (login for example) put a + the following line in /etc/pam.d/login as the last + line for that service (usually after the pam_unix session line): + + +#%PAM-1.0 +# +# Resource limits imposed on login sessions via pam_limits +# +session required pam_limits.so + + + Replace "login" for each service you are using this module. + + + + + SEE ALSO + + + limits.conf5 + , + + pam.d5 + , + + pam8 + . + + + + + AUTHORS + + pam_limits was initially written by Cristian Gafton <gafton@redhat.com> + + + diff --git a/modules/pam_limits/pam_limits.c b/modules/pam_limits/pam_limits.c new file mode 100644 index 0000000..7cc45d7 --- /dev/null +++ b/modules/pam_limits/pam_limits.c @@ -0,0 +1,1215 @@ +/* + * pam_limits - impose resource limits when opening a user session + * + * 1.6 - modified for PLD (added process priority settings) + * by Marcin Korzonek + * 1.5 - Elliot Lee's "max system logins patch" + * 1.4 - addressed bug in configuration file parser + * 1.3 - modified the configuration file format + * 1.2 - added 'debug' and 'conf=' arguments + * 1.1 - added @group support + * 1.0 - initial release - Linux ONLY + * + * See end for Copyright information + */ + +#if !defined(linux) && !defined(__linux) +#warning THIS CODE IS KNOWN TO WORK ONLY ON LINUX !!! +#endif + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifndef UT_USER /* some systems have ut_name instead of ut_user */ +#define UT_USER ut_user +#endif + +#include +#include +#include + +#ifdef HAVE_LIBAUDIT +#include +#endif + +/* Module defines */ +#define LINE_LENGTH 1024 + +#define LIMITS_DEF_USER 0 /* limit was set by a user entry */ +#define LIMITS_DEF_GROUP 1 /* limit was set by a group entry */ +#define LIMITS_DEF_ALLGROUP 2 /* limit was set by a group entry */ +#define LIMITS_DEF_ALL 3 /* limit was set by an all entry */ +#define LIMITS_DEF_DEFAULT 4 /* limit was set by a default entry */ +#define LIMITS_DEF_KERNEL 5 /* limit was set from /proc/1/limits */ +#define LIMITS_DEF_NONE 6 /* this limit was not set yet */ + +#define LIMIT_RANGE_ERR -1 /* error in specified uid/gid range */ +#define LIMIT_RANGE_NONE 0 /* no range specified */ +#define LIMIT_RANGE_ONE 1 /* exact uid/gid specified (:max_uid)*/ +#define LIMIT_RANGE_MIN 2 /* only minimum uid/gid specified (min_uid:) */ +#define LIMIT_RANGE_MM 3 /* both min and max uid/gid specified (min_uid:max_uid) */ + +static const char *limits_def_names[] = { + "USER", + "GROUP", + "ALLGROUP", + "ALL", + "DEFAULT", + "KERNEL", + "NONE", + NULL +}; + +struct user_limits_struct { + int supported; + int src_soft; + int src_hard; + struct rlimit limit; +}; + +/* internal data */ +struct pam_limit_s { + int login_limit; /* the max logins limit */ + int login_limit_def; /* which entry set the login limit */ + int flag_numsyslogins; /* whether to limit logins only for a + specific user or to count all logins */ + int priority; /* the priority to run user process with */ + int nonewprivs; /* whether to prctl(PR_SET_NO_NEW_PRIVS) */ + struct user_limits_struct limits[RLIM_NLIMITS]; + const char *conf_file; + int utmp_after_pam_call; + char login_group[LINE_LENGTH]; +}; + +#define LIMIT_LOGIN RLIM_NLIMITS+1 +#define LIMIT_NUMSYSLOGINS RLIM_NLIMITS+2 + +#define LIMIT_PRI RLIM_NLIMITS+3 +#define LIMIT_NONEWPRIVS RLIM_NLIMITS+4 + +#define LIMIT_SOFT 1 +#define LIMIT_HARD 2 + +#include +#include +#include +#include +#include "pam_inline.h" + +/* argument parsing */ + +#define PAM_DEBUG_ARG 0x0001 +#define PAM_UTMP_EARLY 0x0004 +#define PAM_NO_AUDIT 0x0008 +#define PAM_SET_ALL 0x0010 + +/* Limits from globbed files. */ +#define LIMITS_CONF_GLOB LIMITS_FILE_DIR + +#define CONF_FILE (pl->conf_file != NULL)?pl->conf_file:LIMITS_FILE + +static int +_pam_parse (const pam_handle_t *pamh, int argc, const char **argv, + struct pam_limit_s *pl) +{ + int ctrl=0; + + /* step through arguments */ + for (ctrl=0; argc-- > 0; ++argv) { + const char *str; + + /* generic options */ + + if (!strcmp(*argv,"debug")) { + ctrl |= PAM_DEBUG_ARG; + } else if ((str = pam_str_skip_prefix(*argv, "conf=")) != NULL) { + pl->conf_file = str; + } else if (!strcmp(*argv,"utmp_early")) { + ctrl |= PAM_UTMP_EARLY; + } else if (!strcmp(*argv,"noaudit")) { + ctrl |= PAM_NO_AUDIT; + } else if (!strcmp(*argv,"set_all")) { + ctrl |= PAM_SET_ALL; + } else { + pam_syslog(pamh, LOG_ERR, "unknown option: %s", *argv); + } + } + + return ctrl; +} + +static const char * +rlimit2str (int i) +{ + switch (i) { + case RLIMIT_CPU: + return "cpu"; + break; + case RLIMIT_FSIZE: + return "fsize"; + break; + case RLIMIT_DATA: + return "data"; + break; + case RLIMIT_STACK: + return "stack"; + break; + case RLIMIT_CORE: + return "core"; + break; + case RLIMIT_RSS: + return "rss"; + break; + case RLIMIT_NPROC: + return "nproc"; + break; + case RLIMIT_NOFILE: + return "nofile"; + break; + case RLIMIT_MEMLOCK: + return "memlock"; + break; +#ifdef RLIMIT_AS + case RLIMIT_AS: + return "as"; + break; +#endif +#ifdef RLIMIT_LOCKS + case RLIMIT_LOCKS: + return "locks"; + break; +#endif +#ifdef RLIMIT_SIGPENDING + case RLIMIT_SIGPENDING: + return "sigpending"; + break; +#endif +#ifdef RLIMIT_MSGQUEUE + case RLIMIT_MSGQUEUE: + return "msgqueue"; + break; +#endif +#ifdef RLIMIT_NICE + case RLIMIT_NICE: + return "nice"; + break; +#endif +#ifdef RLIMIT_RTPRIO + case RLIMIT_RTPRIO: + return "rtprio"; + break; +#endif + default: + return "UNKNOWN"; + break; + } +} + + +#define LIMITED_OK 0 /* limit setting appeared to work */ +#define LIMIT_ERR 1 /* error setting a limit */ +#define LOGIN_ERR 2 /* too many logins err */ + +/* Counts the number of user logins and check against the limit*/ +static int +check_logins (pam_handle_t *pamh, const char *name, int limit, int ctrl, + struct pam_limit_s *pl) +{ + struct utmp *ut; + int count; + + if (ctrl & PAM_DEBUG_ARG) { + pam_syslog(pamh, LOG_DEBUG, + "checking logins for '%s' (maximum of %d)", name, limit); + } + + if (limit < 0) + return 0; /* no limits imposed */ + if (limit == 0) /* maximum 0 logins ? */ { + pam_syslog(pamh, LOG_WARNING, "No logins allowed for '%s'", name); + return LOGIN_ERR; + } + + setutent(); + + /* Because there is no definition about when an application + actually adds a utmp entry, some applications bizarrely do the + utmp call before the have PAM authenticate them to the system: + you're logged it, sort of...? Anyway, you can use the + "utmp_early" module argument in your PAM config file to make + allowances for this sort of problem. (There should be a PAM + standard for this, since if a module wants to actually map a + username then any early utmp entry will be for the unmapped + name = broken.) */ + + if (ctrl & PAM_UTMP_EARLY) { + count = 0; + } else { + count = 1; + } + + while((ut = getutent())) { +#ifdef USER_PROCESS + if (ut->ut_type != USER_PROCESS) { + continue; + } +#endif + if (ut->UT_USER[0] == '\0') { + continue; + } + if (!pl->flag_numsyslogins) { + char user[sizeof(ut->UT_USER) + 1]; + user[0] = '\0'; + strncat(user, ut->UT_USER, sizeof(ut->UT_USER)); + + if (((pl->login_limit_def == LIMITS_DEF_USER) + || (pl->login_limit_def == LIMITS_DEF_GROUP) + || (pl->login_limit_def == LIMITS_DEF_DEFAULT)) + && strcmp(name, user) != 0) { + continue; + } + if ((pl->login_limit_def == LIMITS_DEF_ALLGROUP) + && !pam_modutil_user_in_group_nam_nam(pamh, user, pl->login_group)) { + continue; + } + if (kill(ut->ut_pid, 0) == -1 && errno == ESRCH) { + /* process does not exist anymore */ + pam_syslog(pamh, LOG_INFO, + "Stale utmp entry (pid %d) for '%s' ignored", + ut->ut_pid, user); + continue; + } + } + if (++count > limit) { + break; + } + } + endutent(); + if (count > limit) { + if (name) { + pam_syslog(pamh, LOG_NOTICE, + "Too many logins (max %d) for %s", limit, name); + } else { + pam_syslog(pamh, LOG_NOTICE, "Too many system logins (max %d)", limit); + } + return LOGIN_ERR; + } + return 0; +} + +static const char *lnames[RLIM_NLIMITS] = { + [RLIMIT_CPU] = "Max cpu time", + [RLIMIT_FSIZE] = "Max file size", + [RLIMIT_DATA] = "Max data size", + [RLIMIT_STACK] = "Max stack size", + [RLIMIT_CORE] = "Max core file size", + [RLIMIT_RSS] = "Max resident set", + [RLIMIT_NPROC] = "Max processes", + [RLIMIT_NOFILE] = "Max open files", + [RLIMIT_MEMLOCK] = "Max locked memory", +#ifdef RLIMIT_AS + [RLIMIT_AS] = "Max address space", +#endif +#ifdef RLIMIT_LOCKS + [RLIMIT_LOCKS] = "Max file locks", +#endif +#ifdef RLIMIT_SIGPENDING + [RLIMIT_SIGPENDING] = "Max pending signals", +#endif +#ifdef RLIMIT_MSGQUEUE + [RLIMIT_MSGQUEUE] = "Max msgqueue size", +#endif +#ifdef RLIMIT_NICE + [RLIMIT_NICE] = "Max nice priority", +#endif +#ifdef RLIMIT_RTPRIO + [RLIMIT_RTPRIO] = "Max realtime priority", +#endif +#ifdef RLIMIT_RTTIME + [RLIMIT_RTTIME] = "Max realtime timeout", +#endif +}; + +static int str2rlimit(char *name) { + int i; + if (!name || *name == '\0') + return -1; + for(i = 0; i < RLIM_NLIMITS; i++) { + if (strcmp(name, lnames[i]) == 0) return i; + } + return -1; +} + +static rlim_t str2rlim_t(char *value) { + unsigned long long rlimit = 0; + + if (!value) return (rlim_t)rlimit; + if (strcmp(value, "unlimited") == 0) { + return RLIM_INFINITY; + } + rlimit = strtoull(value, NULL, 10); + return (rlim_t)rlimit; +} + +#define LIMITS_SKIP_WHITESPACE { \ + /* step backwards over spaces */ \ + pos--; \ + while (pos && line[pos] == ' ') pos--; \ + if (!pos) continue; \ + line[pos+1] = '\0'; \ +} +#define LIMITS_MARK_ITEM(item) { \ + /* step backwards over non-spaces */ \ + pos--; \ + while (pos && line[pos] != ' ') pos--; \ + if (!pos) continue; \ + item = line + pos + 1; \ +} + +static void parse_kernel_limits(pam_handle_t *pamh, struct pam_limit_s *pl, int ctrl) +{ + int i, maxlen = 0; + FILE *limitsfile; + const char *proclimits = "/proc/1/limits"; + char line[256]; + char *hard, *soft, *name; + + if (!(limitsfile = fopen(proclimits, "r"))) { + pam_syslog(pamh, LOG_WARNING, "Could not read %s (%s), using PAM defaults", proclimits, strerror(errno)); + return; + } + + while (fgets(line, 256, limitsfile)) { + int pos = strlen(line); + if (pos < 2) continue; + + /* drop trailing newline */ + if (line[pos-1] == '\n') { + pos--; + line[pos] = '\0'; + } + + /* determine formatting boundary of limits report */ + if (!maxlen && pam_str_skip_prefix(line, "Limit") != NULL) { + maxlen = pos; + continue; + } + + if (pos == maxlen) { + /* step backwards over "Units" name */ + LIMITS_SKIP_WHITESPACE; + LIMITS_MARK_ITEM(hard); /* not a typo, units unused */ + } + + /* step backwards over "Hard Limit" value */ + LIMITS_SKIP_WHITESPACE; + LIMITS_MARK_ITEM(hard); + + /* step backwards over "Soft Limit" value */ + LIMITS_SKIP_WHITESPACE; + LIMITS_MARK_ITEM(soft); + + /* step backwards over name of limit */ + LIMITS_SKIP_WHITESPACE; + name = line; + + i = str2rlimit(name); + if (i < 0 || i >= RLIM_NLIMITS) { + if (ctrl & PAM_DEBUG_ARG) + pam_syslog(pamh, LOG_DEBUG, "Unknown kernel rlimit '%s' ignored", name); + continue; + } + pl->limits[i].limit.rlim_cur = str2rlim_t(soft); + pl->limits[i].limit.rlim_max = str2rlim_t(hard); + pl->limits[i].src_soft = LIMITS_DEF_KERNEL; + pl->limits[i].src_hard = LIMITS_DEF_KERNEL; + } + fclose(limitsfile); +} + +static int init_limits(pam_handle_t *pamh, struct pam_limit_s *pl, int ctrl) +{ + int i; + int retval = PAM_SUCCESS; + + D(("called.")); + + for(i = 0; i < RLIM_NLIMITS; i++) { + int r = getrlimit(i, &pl->limits[i].limit); + if (r == -1) { + pl->limits[i].supported = 0; + if (errno != EINVAL) { + retval = !PAM_SUCCESS; + } + } else { + pl->limits[i].supported = 1; + pl->limits[i].src_soft = LIMITS_DEF_NONE; + pl->limits[i].src_hard = LIMITS_DEF_NONE; + } + } + +#ifdef __linux__ + if (ctrl & PAM_SET_ALL) { + parse_kernel_limits(pamh, pl, ctrl); + + for(i = 0; i < RLIM_NLIMITS; i++) { + if (pl->limits[i].supported && + (pl->limits[i].src_soft == LIMITS_DEF_NONE || + pl->limits[i].src_hard == LIMITS_DEF_NONE)) { + pam_syslog(pamh, LOG_WARNING, "Did not find kernel RLIMIT for %s, using PAM default", rlimit2str(i)); + } + } + } +#endif + + errno = 0; + pl->priority = getpriority (PRIO_PROCESS, 0); + if (pl->priority == -1 && errno != 0) + retval = !PAM_SUCCESS; + pl->login_limit = -2; + pl->login_limit_def = LIMITS_DEF_NONE; + + return retval; +} + +/* + * Read the contents of and return it in *valuep + * return 1 if conversion succeeds, result is in *valuep + * return 0 if conversion fails, *valuep is untouched. + */ +static int +value_from_file(const char *pathname, rlim_t *valuep) +{ + char buf[128]; + FILE *fp; + int retval; + + retval = 0; + + if ((fp = fopen(pathname, "r")) != NULL) { + if (fgets(buf, sizeof(buf), fp) != NULL) { + char *endptr; + unsigned long long value; + + errno = 0; + value = strtoull(buf, &endptr, 10); + if (endptr != buf && + (value != ULLONG_MAX || errno == 0) && + (unsigned long long) (rlim_t) value == value) { + *valuep = (rlim_t) value; + retval = 1; + } + } + + fclose(fp); + } + + return retval; +} + +static void +process_limit (const pam_handle_t *pamh, int source, const char *lim_type, + const char *lim_item, const char *lim_value, + int ctrl, struct pam_limit_s *pl) +{ + int limit_item; + int limit_type = 0; + int int_value = 0; + rlim_t rlimit_value = 0; + char *endptr; + const char *value_orig = lim_value; + + if (ctrl & PAM_DEBUG_ARG) + pam_syslog(pamh, LOG_DEBUG, "%s: processing %s %s %s for %s", + __FUNCTION__, lim_type, lim_item, lim_value, + limits_def_names[source]); + + if (strcmp(lim_item, "cpu") == 0) + limit_item = RLIMIT_CPU; + else if (strcmp(lim_item, "fsize") == 0) + limit_item = RLIMIT_FSIZE; + else if (strcmp(lim_item, "data") == 0) + limit_item = RLIMIT_DATA; + else if (strcmp(lim_item, "stack") == 0) + limit_item = RLIMIT_STACK; + else if (strcmp(lim_item, "core") == 0) + limit_item = RLIMIT_CORE; + else if (strcmp(lim_item, "rss") == 0) + limit_item = RLIMIT_RSS; + else if (strcmp(lim_item, "nproc") == 0) + limit_item = RLIMIT_NPROC; + else if (strcmp(lim_item, "nofile") == 0) + limit_item = RLIMIT_NOFILE; + else if (strcmp(lim_item, "memlock") == 0) + limit_item = RLIMIT_MEMLOCK; +#ifdef RLIMIT_AS + else if (strcmp(lim_item, "as") == 0) + limit_item = RLIMIT_AS; +#endif /*RLIMIT_AS*/ +#ifdef RLIMIT_LOCKS + else if (strcmp(lim_item, "locks") == 0) + limit_item = RLIMIT_LOCKS; +#endif +#ifdef RLIMIT_SIGPENDING + else if (strcmp(lim_item, "sigpending") == 0) + limit_item = RLIMIT_SIGPENDING; +#endif +#ifdef RLIMIT_MSGQUEUE + else if (strcmp(lim_item, "msgqueue") == 0) + limit_item = RLIMIT_MSGQUEUE; +#endif +#ifdef RLIMIT_NICE + else if (strcmp(lim_item, "nice") == 0) + limit_item = RLIMIT_NICE; +#endif +#ifdef RLIMIT_RTPRIO + else if (strcmp(lim_item, "rtprio") == 0) + limit_item = RLIMIT_RTPRIO; +#endif + else if (strcmp(lim_item, "maxlogins") == 0) { + limit_item = LIMIT_LOGIN; + pl->flag_numsyslogins = 0; + } else if (strcmp(lim_item, "maxsyslogins") == 0) { + limit_item = LIMIT_NUMSYSLOGINS; + pl->flag_numsyslogins = 1; + } else if (strcmp(lim_item, "priority") == 0) { + limit_item = LIMIT_PRI; + } else if (strcmp(lim_item, "nonewprivs") == 0) { + limit_item = LIMIT_NONEWPRIVS; + } else { + pam_syslog(pamh, LOG_DEBUG, "unknown limit item '%s'", lim_item); + return; + } + + if (strcmp(lim_type,"soft")==0) + limit_type=LIMIT_SOFT; + else if (strcmp(lim_type, "hard")==0) + limit_type=LIMIT_HARD; + else if (strcmp(lim_type,"-")==0) + limit_type=LIMIT_SOFT | LIMIT_HARD; + else if (limit_item != LIMIT_LOGIN && limit_item != LIMIT_NUMSYSLOGINS + && limit_item != LIMIT_NONEWPRIVS) { + pam_syslog(pamh, LOG_DEBUG, "unknown limit type '%s'", lim_type); + return; + } + if (limit_item == LIMIT_NONEWPRIVS) { + /* just require a bool-style 0 or 1 */ + if (strcmp(lim_value, "0") == 0) { + int_value = 0; + } else if (strcmp(lim_value, "1") == 0) { + int_value = 1; + } else { + pam_syslog(pamh, LOG_DEBUG, + "wrong limit value '%s' for limit type '%s'", + lim_value, lim_type); + } + } else if (limit_item != LIMIT_PRI +#ifdef RLIMIT_NICE + && limit_item != RLIMIT_NICE +#endif + && (strcmp(lim_value, "-1") == 0 + || strcmp(lim_value, "-") == 0 || strcmp(lim_value, "unlimited") == 0 + || strcmp(lim_value, "infinity") == 0)) { + int_value = -1; + rlimit_value = RLIM_INFINITY; + } else if (limit_item == LIMIT_PRI || limit_item == LIMIT_LOGIN || +#ifdef RLIMIT_NICE + limit_item == RLIMIT_NICE || +#endif + limit_item == LIMIT_NUMSYSLOGINS) { + long temp; + temp = strtol (lim_value, &endptr, 10); + temp = temp < INT_MAX ? temp : INT_MAX; + int_value = temp > INT_MIN ? temp : INT_MIN; + if (int_value == 0 && value_orig == endptr) { + pam_syslog(pamh, LOG_DEBUG, + "wrong limit value '%s' for limit type '%s'", + lim_value, lim_type); + return; + } + } else { +#ifdef __USE_FILE_OFFSET64 + rlimit_value = strtoull (lim_value, &endptr, 10); +#else + rlimit_value = strtoul (lim_value, &endptr, 10); +#endif + if (rlimit_value == 0 && value_orig == endptr) { + pam_syslog(pamh, LOG_DEBUG, + "wrong limit value '%s' for limit type '%s'", + lim_value, lim_type); + return; + } + } + + /* one more special case when limiting logins */ + if ((source == LIMITS_DEF_ALL || source == LIMITS_DEF_ALLGROUP) + && (limit_item != LIMIT_LOGIN)) { + if (ctrl & PAM_DEBUG_ARG) + pam_syslog(pamh, LOG_DEBUG, + "'%%' domain valid for maxlogins type only"); + return; + } + + switch(limit_item) { + case RLIMIT_CPU: + if (rlimit_value != RLIM_INFINITY) + { + if (rlimit_value >= RLIM_INFINITY/60) + rlimit_value = RLIM_INFINITY; + else + rlimit_value *= 60; + } + break; + case RLIMIT_FSIZE: + case RLIMIT_DATA: + case RLIMIT_STACK: + case RLIMIT_CORE: + case RLIMIT_RSS: + case RLIMIT_MEMLOCK: +#ifdef RLIMIT_AS + case RLIMIT_AS: +#endif + if (rlimit_value != RLIM_INFINITY) + { + if (rlimit_value >= RLIM_INFINITY/1024) + rlimit_value = RLIM_INFINITY; + else + rlimit_value *= 1024; + } + break; +#ifdef RLIMIT_NICE + case RLIMIT_NICE: + if (int_value > 19) + int_value = 19; + if (int_value < -20) + int_value = -20; + rlimit_value = 20 - int_value; + break; +#endif + case RLIMIT_NOFILE: + /* + * If nofile is to be set to "unlimited", try to set it to + * the value in /proc/sys/fs/nr_open instead. + */ + if (rlimit_value == RLIM_INFINITY) { + if (!value_from_file("/proc/sys/fs/nr_open", &rlimit_value)) + pam_syslog(pamh, LOG_WARNING, + "Cannot set \"nofile\" to a sensible value"); + else if (ctrl & PAM_DEBUG_ARG) + pam_syslog(pamh, LOG_DEBUG, "Setting \"nofile\" limit to %llu", + (unsigned long long) rlimit_value); + } + break; + } + + if ( (limit_item != LIMIT_LOGIN) + && (limit_item != LIMIT_NUMSYSLOGINS) + && (limit_item != LIMIT_PRI) + && (limit_item != LIMIT_NONEWPRIVS) ) { + if (limit_type & LIMIT_SOFT) { + if (pl->limits[limit_item].src_soft < source) { + return; + } else { + pl->limits[limit_item].limit.rlim_cur = rlimit_value; + pl->limits[limit_item].src_soft = source; + } + } + if (limit_type & LIMIT_HARD) { + if (pl->limits[limit_item].src_hard < source) { + return; + } else { + pl->limits[limit_item].limit.rlim_max = rlimit_value; + pl->limits[limit_item].src_hard = source; + } + } + } else { + /* recent kernels support negative priority limits (=raise priority) */ + + if (limit_item == LIMIT_PRI) { + pl->priority = int_value; + } else if (limit_item == LIMIT_NONEWPRIVS) { + pl->nonewprivs = int_value; + } else { + if (pl->login_limit_def < source) { + return; + } else { + pl->login_limit = int_value; + pl->login_limit_def = source; + } + } + } + return; +} + +static int +parse_uid_range(pam_handle_t *pamh, const char *domain, + uid_t *min_uid, uid_t *max_uid) +{ + const char *range = domain; + char *pmax; + char *endptr; + int rv = LIMIT_RANGE_MM; + + if ((pmax=strchr(range, ':')) == NULL) + return LIMIT_RANGE_NONE; + ++pmax; + + if (range[0] == '@' || range[0] == '%') + ++range; + + if (range[0] == ':') + rv = LIMIT_RANGE_ONE; + else { + errno = 0; + *min_uid = strtoul (range, &endptr, 10); + if (errno != 0 || (range == endptr) || *endptr != ':') { + pam_syslog(pamh, LOG_DEBUG, + "wrong min_uid/gid value in '%s'", domain); + return LIMIT_RANGE_ERR; + } + } + + if (*pmax == '\0') { + if (rv == LIMIT_RANGE_ONE) + return LIMIT_RANGE_ERR; + else + return LIMIT_RANGE_MIN; + } + + errno = 0; + *max_uid = strtoul (pmax, &endptr, 10); + if (errno != 0 || (pmax == endptr) || *endptr != '\0') { + pam_syslog(pamh, LOG_DEBUG, + "wrong max_uid/gid value in '%s'", domain); + return LIMIT_RANGE_ERR; + } + + if (rv == LIMIT_RANGE_ONE) + *min_uid = *max_uid; + return rv; +} + +static int +parse_config_file(pam_handle_t *pamh, const char *uname, uid_t uid, gid_t gid, + int ctrl, struct pam_limit_s *pl) +{ + FILE *fil; + char buf[LINE_LENGTH]; + + /* check for the LIMITS_FILE */ + if (ctrl & PAM_DEBUG_ARG) + pam_syslog(pamh, LOG_DEBUG, "reading settings from '%s'", CONF_FILE); + fil = fopen(CONF_FILE, "r"); + if (fil == NULL) { + pam_syslog (pamh, LOG_WARNING, + "cannot read settings from %s: %m", CONF_FILE); + return PAM_SERVICE_ERR; + } + + /* start the show */ + while (fgets(buf, LINE_LENGTH, fil) != NULL) { + char domain[LINE_LENGTH]; + char ltype[LINE_LENGTH]; + char item[LINE_LENGTH]; + char value[LINE_LENGTH]; + int i; + int rngtype; + size_t j; + char *tptr,*line; + uid_t min_uid = (uid_t)-1, max_uid = (uid_t)-1; + + line = buf; + /* skip the leading white space */ + while (*line && isspace(*line)) + line++; + + /* Rip off the comments */ + tptr = strchr(line,'#'); + if (tptr) + *tptr = '\0'; + /* Rip off the newline char */ + tptr = strchr(line,'\n'); + if (tptr) + *tptr = '\0'; + /* Anything left ? */ + if (!strlen(line)) + continue; + + domain[0] = ltype[0] = item[0] = value[0] = '\0'; + + i = sscanf(line,"%s%s%s%s", domain, ltype, item, value); + D(("scanned line[%d]: domain[%s], ltype[%s], item[%s], value[%s]", + i, domain, ltype, item, value)); + + for(j=0; j < strlen(ltype); j++) + ltype[j]=tolower(ltype[j]); + + if ((rngtype=parse_uid_range(pamh, domain, &min_uid, &max_uid)) < 0) { + pam_syslog(pamh, LOG_WARNING, "invalid uid range '%s' - skipped", domain); + continue; + } + + if (i == 4) { /* a complete line */ + for(j=0; j < strlen(item); j++) + item[j]=tolower(item[j]); + for(j=0; j < strlen(value); j++) + value[j]=tolower(value[j]); + + if (strcmp(uname, domain) == 0) /* this user have a limit */ + process_limit(pamh, LIMITS_DEF_USER, ltype, item, value, ctrl, pl); + else if (domain[0]=='@') { + if (ctrl & PAM_DEBUG_ARG) { + pam_syslog(pamh, LOG_DEBUG, + "checking if %s is in group %s", + uname, domain + 1); + } + switch(rngtype) { + case LIMIT_RANGE_NONE: + if (pam_modutil_user_in_group_nam_nam(pamh, uname, domain+1)) + process_limit(pamh, LIMITS_DEF_GROUP, ltype, item, value, ctrl, + pl); + break; + case LIMIT_RANGE_ONE: + if (pam_modutil_user_in_group_nam_gid(pamh, uname, (gid_t)max_uid)) + process_limit(pamh, LIMITS_DEF_GROUP, ltype, item, value, ctrl, + pl); + break; + case LIMIT_RANGE_MM: + if (gid > (gid_t)max_uid) + break; + /* fallthrough */ + case LIMIT_RANGE_MIN: + if (gid >= (gid_t)min_uid) + process_limit(pamh, LIMITS_DEF_GROUP, ltype, item, value, ctrl, + pl); + } + } else if (domain[0]=='%') { + if (ctrl & PAM_DEBUG_ARG) { + pam_syslog(pamh, LOG_DEBUG, + "checking if %s is in group %s", + uname, domain + 1); + } + switch(rngtype) { + case LIMIT_RANGE_NONE: + if (strcmp(domain,"%") == 0) + process_limit(pamh, LIMITS_DEF_ALL, ltype, item, value, ctrl, + pl); + else if (pam_modutil_user_in_group_nam_nam(pamh, uname, domain+1)) { + strcpy(pl->login_group, domain+1); + process_limit(pamh, LIMITS_DEF_ALLGROUP, ltype, item, value, ctrl, + pl); + } + break; + case LIMIT_RANGE_ONE: + if (pam_modutil_user_in_group_nam_gid(pamh, uname, (gid_t)max_uid)) { + struct group *grp; + grp = pam_modutil_getgrgid(pamh, (gid_t)max_uid); + strncpy(pl->login_group, grp->gr_name, sizeof(pl->login_group)); + pl->login_group[sizeof(pl->login_group)-1] = '\0'; + process_limit(pamh, LIMITS_DEF_ALLGROUP, ltype, item, value, ctrl, + pl); + } + break; + case LIMIT_RANGE_MIN: + case LIMIT_RANGE_MM: + pam_syslog(pamh, LOG_WARNING, "range unsupported for %%group matching - ignored"); + } + } else { + switch(rngtype) { + case LIMIT_RANGE_NONE: + if (strcmp(domain, "*") == 0) + process_limit(pamh, LIMITS_DEF_DEFAULT, ltype, item, value, ctrl, + pl); + break; + case LIMIT_RANGE_ONE: + if (uid != max_uid) + break; + /* fallthrough */ + case LIMIT_RANGE_MM: + if (uid > max_uid) + break; + /* fallthrough */ + case LIMIT_RANGE_MIN: + if (uid >= min_uid) + process_limit(pamh, LIMITS_DEF_USER, ltype, item, value, ctrl, pl); + } + } + } else if (i == 2 && ltype[0] == '-') { /* Probably a no-limit line */ + if (strcmp(uname, domain) == 0) { + if (ctrl & PAM_DEBUG_ARG) { + pam_syslog(pamh, LOG_DEBUG, "no limits for '%s'", uname); + } + } else if (domain[0] == '@') { + switch(rngtype) { + case LIMIT_RANGE_NONE: + if (!pam_modutil_user_in_group_nam_nam(pamh, uname, domain+1)) + continue; /* next line */ + break; + case LIMIT_RANGE_ONE: + if (!pam_modutil_user_in_group_nam_gid(pamh, uname, (gid_t)max_uid)) + continue; /* next line */ + break; + case LIMIT_RANGE_MM: + if (gid > (gid_t)max_uid) + continue; /* next line */ + /* fallthrough */ + case LIMIT_RANGE_MIN: + if (gid < (gid_t)min_uid) + continue; /* next line */ + } + if (ctrl & PAM_DEBUG_ARG) { + pam_syslog(pamh, LOG_DEBUG, + "no limits for '%s' in group '%s'", + uname, domain+1); + } + } else { + switch(rngtype) { + case LIMIT_RANGE_NONE: + continue; /* next line */ + case LIMIT_RANGE_ONE: + if (uid != max_uid) + continue; /* next line */ + break; + case LIMIT_RANGE_MM: + if (uid > max_uid) + continue; /* next line */ + /* fallthrough */ + case LIMIT_RANGE_MIN: + if (uid >= min_uid) + break; + continue; /* next line */ + } + if (ctrl & PAM_DEBUG_ARG) { + pam_syslog(pamh, LOG_DEBUG, "no limits for '%s'", uname); + } + } + fclose(fil); + return PAM_IGNORE; + } else { + pam_syslog(pamh, LOG_WARNING, "invalid line '%s' - skipped", line); + } + } + fclose(fil); + return PAM_SUCCESS; +} + +static int setup_limits(pam_handle_t *pamh, + const char *uname, uid_t uid, int ctrl, + struct pam_limit_s *pl) +{ + int i; + int status; + int retval = LIMITED_OK; + + for (i=0, status=LIMITED_OK; ilimits[i].supported) { + /* skip it if its not known to the system */ + continue; + } + if (pl->limits[i].src_soft == LIMITS_DEF_NONE && + pl->limits[i].src_hard == LIMITS_DEF_NONE) { + /* skip it if its not initialized */ + continue; + } + if (pl->limits[i].limit.rlim_cur > pl->limits[i].limit.rlim_max) + pl->limits[i].limit.rlim_cur = pl->limits[i].limit.rlim_max; + res = setrlimit(i, &pl->limits[i].limit); + if (res != 0) + pam_syslog(pamh, LOG_ERR, "Could not set limit for '%s': %m", + rlimit2str(i)); + status |= res; + } + + if (status) { + retval = LIMIT_ERR; + } + + status = setpriority(PRIO_PROCESS, 0, pl->priority); + if (status != 0) { + pam_syslog(pamh, LOG_ERR, "Could not set limit for PRIO_PROCESS: %m"); + retval = LIMIT_ERR; + } + + if (uid == 0) { + D(("skip login limit check for uid=0")); + } else if (pl->login_limit > 0) { + if (check_logins(pamh, uname, pl->login_limit, ctrl, pl) == LOGIN_ERR) { +#ifdef HAVE_LIBAUDIT + if (!(ctrl & PAM_NO_AUDIT)) { + pam_modutil_audit_write(pamh, AUDIT_ANOM_LOGIN_SESSIONS, + "pam_limits", PAM_PERM_DENIED); + /* ignore return value as we fail anyway */ + } +#endif + retval |= LOGIN_ERR; + } + } else if (pl->login_limit == 0) { + retval |= LOGIN_ERR; + } + + if (pl->nonewprivs) { + if (prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0) < 0) { + pam_syslog(pamh, LOG_ERR, "Could not set prctl(PR_SET_NO_NEW_PRIVS): %m"); + retval |= LIMIT_ERR; + } + } + + return retval; +} + +/* now the session stuff */ +int +pam_sm_open_session (pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + int retval; + int i; + int glob_rc; + char *user_name; + struct passwd *pwd; + int ctrl; + struct pam_limit_s plstruct; + struct pam_limit_s *pl = &plstruct; + glob_t globbuf; + const char *oldlocale; + + D(("called.")); + + memset(pl, 0, sizeof(*pl)); + memset(&globbuf, 0, sizeof(globbuf)); + + ctrl = _pam_parse(pamh, argc, argv, pl); + retval = pam_get_item( pamh, PAM_USER, (void*) &user_name ); + if ( user_name == NULL || retval != PAM_SUCCESS ) { + pam_syslog(pamh, LOG_ERR, "open_session - error recovering username"); + return PAM_SESSION_ERR; + } + + pwd = pam_modutil_getpwnam(pamh, user_name); + if (!pwd) { + if (ctrl & PAM_DEBUG_ARG) + pam_syslog(pamh, LOG_WARNING, + "open_session username '%s' does not exist", user_name); + return PAM_USER_UNKNOWN; + } + + retval = init_limits(pamh, pl, ctrl); + if (retval != PAM_SUCCESS) { + pam_syslog(pamh, LOG_ERR, "cannot initialize"); + return PAM_ABORT; + } + + retval = parse_config_file(pamh, pwd->pw_name, pwd->pw_uid, pwd->pw_gid, ctrl, pl); + if (retval == PAM_IGNORE) { + D(("the configuration file ('%s') has an applicable ' -' entry", CONF_FILE)); + return PAM_SUCCESS; + } + if (retval != PAM_SUCCESS || pl->conf_file != NULL) + /* skip reading limits.d if config file explicitly specified */ + goto out; + + /* Read subsequent *.conf files, if they exist. */ + + /* set the LC_COLLATE so the sorting order doesn't depend + on system locale */ + + oldlocale = setlocale(LC_COLLATE, "C"); + glob_rc = glob(LIMITS_CONF_GLOB, GLOB_ERR, NULL, &globbuf); + + if (oldlocale != NULL) + setlocale (LC_COLLATE, oldlocale); + + if (!glob_rc) { + /* Parse the *.conf files. */ + for (i = 0; globbuf.gl_pathv[i] != NULL; i++) { + pl->conf_file = globbuf.gl_pathv[i]; + retval = parse_config_file(pamh, pwd->pw_name, pwd->pw_uid, pwd->pw_gid, ctrl, pl); + if (retval == PAM_IGNORE) { + D(("the configuration file ('%s') has an applicable ' -' entry", pl->conf_file)); + globfree(&globbuf); + return PAM_SUCCESS; + } + if (retval != PAM_SUCCESS) + goto out; + } + } + +out: + globfree(&globbuf); + if (retval != PAM_SUCCESS) + { + pam_syslog(pamh, LOG_ERR, "error parsing the configuration file: '%s' ",CONF_FILE); + return retval; + } + + retval = setup_limits(pamh, pwd->pw_name, pwd->pw_uid, ctrl, pl); + if (retval & LOGIN_ERR) + pam_error(pamh, _("There were too many logins for '%s'."), + pwd->pw_name); + if (retval != LIMITED_OK) { + return PAM_PERM_DENIED; + } + + return PAM_SUCCESS; +} + +int +pam_sm_close_session (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + /* nothing to do */ + return PAM_SUCCESS; +} + +/* + * Copyright (c) Cristian Gafton, 1996-1997, + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ diff --git a/modules/pam_limits/tst-pam_limits b/modules/pam_limits/tst-pam_limits new file mode 100755 index 0000000..f563beb --- /dev/null +++ b/modules/pam_limits/tst-pam_limits @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_limits.so diff --git a/modules/pam_listfile/Makefile.am b/modules/pam_listfile/Makefile.am new file mode 100644 index 0000000..8b0fc28 --- /dev/null +++ b/modules/pam_listfile/Makefile.am @@ -0,0 +1,33 @@ +# +# Copyright (c) 2005, 2006, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_listfile.8 +endif +XMLS = README.xml pam_listfile.8.xml +dist_check_SCRIPTS = tst-pam_listfile +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_listfile.la +pam_listfile_la_LIBADD = $(top_builddir)/libpam/libpam.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_listfile/Makefile.in b/modules/pam_listfile/Makefile.in new file mode 100644 index 0000000..86a9e91 --- /dev/null +++ b/modules/pam_listfile/Makefile.in @@ -0,0 +1,1150 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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tty specifies the name of the terminal over which the request has +been made, PAM_TTY; rhost specifies the name of the remote host (if any) from +which the request was made, PAM_RHOST; and ruser specifies the name of the +remote user (if available) who made the request, PAM_RUSER -- and looks for an +instance of that item in the file=filename. filename contains one line per item +listed. If the item is found, then if sense=allow, PAM_SUCCESS is returned, +causing the authorization request to succeed; else if sense=deny, PAM_AUTH_ERR +is returned, causing the authorization request to fail. + +If an error is encountered (for instance, if filename does not exist, or a +poorly-constructed argument is encountered), then if onerr=succeed, PAM_SUCCESS +is returned, otherwise if onerr=fail, PAM_AUTH_ERR or PAM_SERVICE_ERR (as +appropriate) will be returned. + +An additional argument, apply=, can be used to restrict the application of the +above to a specific user (apply=username) or a given group (apply=@groupname). +This added restriction is only meaningful when used with the tty, rhost and +shell items. + +Besides this last one, all arguments should be specified; do not count on any +default behavior. + +No credentials are awarded by this module. + +OPTIONS + +item=[tty|user|rhost|ruser|group|shell] + + What is listed in the file and should be checked for. + +sense=[allow|deny] + + Action to take if found in file, if the item is NOT found in the file, then + the opposite action is requested. + +file=/path/filename + + File containing one item per line. The file needs to be a plain file and + not world writable. + +onerr=[succeed|fail] + + What to do if something weird happens like being unable to open the file. + +apply=[user|@group] + + Restrict the user class for which the restriction apply. Note that with + item=[user|ruser|group] this does not make sense, but for item=[tty|rhost| + shell] it have a meaning. + +quiet + + Do not treat service refusals or missing list files as errors that need to + be logged. + +EXAMPLES + +Classic 'ftpusers' authentication can be implemented with this entry in /etc/ +pam.d/ftpd: + +# +# deny ftp-access to users listed in the /etc/ftpusers file +# +auth required pam_listfile.so \ + onerr=succeed item=user sense=deny file=/etc/ftpusers + + +Note, users listed in /etc/ftpusers file are (counterintuitively) not allowed +access to the ftp service. + +To allow login access only for certain users, you can use a /etc/pam.d/login +entry like this: + +# +# permit login to users listed in /etc/loginusers +# +auth required pam_listfile.so \ + onerr=fail item=user sense=allow file=/etc/loginusers + + +For this example to work, all users who are allowed to use the login service +should be listed in the file /etc/loginusers. Unless you are explicitly trying +to lock out root, make sure that when you do this, you leave a way for root to +log in, either by listing root in /etc/loginusers, or by listing a user who is +able to su to the root account. + +AUTHOR + +pam_listfile was written by Michael K. Johnson and Elliot +Lee . + diff --git a/modules/pam_listfile/README.xml b/modules/pam_listfile/README.xml new file mode 100644 index 0000000..d851aef --- /dev/null +++ b/modules/pam_listfile/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_listfile.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_listfile-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_listfile/pam_listfile.8 b/modules/pam_listfile/pam_listfile.8 new file mode 100644 index 0000000..35cc2e7 --- /dev/null +++ b/modules/pam_listfile/pam_listfile.8 @@ -0,0 +1,211 @@ +'\" t +.\" Title: pam_listfile +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_LISTFILE" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_listfile \- deny or allow services based on an arbitrary file +.SH "SYNOPSIS" +.HP \w'\fBpam_listfile\&.so\fR\ 'u +\fBpam_listfile\&.so\fR item=[tty|user|rhost|ruser|group|shell] sense=[allow|deny] file=\fI/path/filename\fR onerr=[succeed|fail] [apply=[\fIuser\fR|\fI@group\fR]] [quiet] +.SH "DESCRIPTION" +.PP +pam_listfile is a PAM module which provides a way to deny or allow services based on an arbitrary file\&. +.PP +The module gets the +\fBitem\fR +of the type specified \-\- +\fIuser\fR +specifies the username, +\fIPAM_USER\fR; tty specifies the name of the terminal over which the request has been made, +\fIPAM_TTY\fR; rhost specifies the name of the remote host (if any) from which the request was made, +\fIPAM_RHOST\fR; and ruser specifies the name of the remote user (if available) who made the request, +\fIPAM_RUSER\fR +\-\- and looks for an instance of that item in the +\fBfile=\fR\fB\fIfilename\fR\fR\&. +filename +contains one line per item listed\&. If the item is found, then if +\fBsense=\fR\fB\fIallow\fR\fR, +\fIPAM_SUCCESS\fR +is returned, causing the authorization request to succeed; else if +\fBsense=\fR\fB\fIdeny\fR\fR, +\fIPAM_AUTH_ERR\fR +is returned, causing the authorization request to fail\&. +.PP +If an error is encountered (for instance, if +filename +does not exist, or a poorly\-constructed argument is encountered), then if +\fIonerr=succeed\fR, +\fIPAM_SUCCESS\fR +is returned, otherwise if +\fIonerr=fail\fR, +\fIPAM_AUTH_ERR\fR +or +\fIPAM_SERVICE_ERR\fR +(as appropriate) will be returned\&. +.PP +An additional argument, +\fBapply=\fR, can be used to restrict the application of the above to a specific user (\fBapply=\fR\fB\fIusername\fR\fR) or a given group (\fBapply=\fR\fB\fI@groupname\fR\fR)\&. This added restriction is only meaningful when used with the +\fItty\fR, +\fIrhost\fR +and +\fIshell\fR +items\&. +.PP +Besides this last one, all arguments should be specified; do not count on any default behavior\&. +.PP +No credentials are awarded by this module\&. +.SH "OPTIONS" +.PP +.PP +\fBitem=[tty|user|rhost|ruser|group|shell]\fR +.RS 4 +What is listed in the file and should be checked for\&. +.RE +.PP +\fBsense=[allow|deny]\fR +.RS 4 +Action to take if found in file, if the item is NOT found in the file, then the opposite action is requested\&. +.RE +.PP +\fBfile=\fR\fB\fI/path/filename\fR\fR +.RS 4 +File containing one item per line\&. The file needs to be a plain file and not world writable\&. +.RE +.PP +\fBonerr=[succeed|fail]\fR +.RS 4 +What to do if something weird happens like being unable to open the file\&. +.RE +.PP +\fBapply=[\fR\fB\fIuser\fR\fR\fB|\fR\fB\fI@group\fR\fR\fB]\fR +.RS 4 +Restrict the user class for which the restriction apply\&. Note that with +\fBitem=[user|ruser|group]\fR +this does not make sense, but for +\fBitem=[tty|rhost|shell]\fR +it have a meaning\&. +.RE +.PP +\fBquiet\fR +.RS 4 +Do not treat service refusals or missing list files as errors that need to be logged\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +All module types (\fBauth\fR, +\fBaccount\fR, +\fBpassword\fR +and +\fBsession\fR) are provided\&. +.SH "RETURN VALUES" +.PP +.PP +PAM_AUTH_ERR +.RS 4 +Authentication failure\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_IGNORE +.RS 4 +The rule does not apply to the +\fBapply\fR +option\&. +.RE +.PP +PAM_SERVICE_ERR +.RS 4 +Error in service module\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Success\&. +.RE +.SH "EXAMPLES" +.PP +Classic \*(Aqftpusers\*(Aq authentication can be implemented with this entry in +/etc/pam\&.d/ftpd: +.sp +.if n \{\ +.RS 4 +.\} +.nf +# +# deny ftp\-access to users listed in the /etc/ftpusers file +# +auth required pam_listfile\&.so \e + onerr=succeed item=user sense=deny file=/etc/ftpusers + +.fi +.if n \{\ +.RE +.\} +.sp +Note, users listed in +/etc/ftpusers +file are (counterintuitively) +\fInot\fR +allowed access to the ftp service\&. +.PP +To allow login access only for certain users, you can use a +/etc/pam\&.d/login +entry like this: +.sp +.if n \{\ +.RS 4 +.\} +.nf +# +# permit login to users listed in /etc/loginusers +# +auth required pam_listfile\&.so \e + onerr=fail item=user sense=allow file=/etc/loginusers + +.fi +.if n \{\ +.RE +.\} +.sp +For this example to work, all users who are allowed to use the login service should be listed in the file +/etc/loginusers\&. Unless you are explicitly trying to lock out root, make sure that when you do this, you leave a way for root to log in, either by listing root in +/etc/loginusers, or by listing a user who is able to +\fIsu\fR +to the root account\&. +.SH "SEE ALSO" +.PP +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_listfile was written by Michael K\&. Johnson and Elliot Lee \&. diff --git a/modules/pam_listfile/pam_listfile.8.xml b/modules/pam_listfile/pam_listfile.8.xml new file mode 100644 index 0000000..15f047c --- /dev/null +++ b/modules/pam_listfile/pam_listfile.8.xml @@ -0,0 +1,297 @@ + + + + + + + pam_listfile + 8 + Linux-PAM Manual + + + + pam_listfile + deny or allow services based on an arbitrary file + + + + + pam_listfile.so + + item=[tty|user|rhost|ruser|group|shell] + + + sense=[allow|deny] + + + file=/path/filename + + + onerr=[succeed|fail] + + + apply=[user|@group] + + + quiet + + + + + + + DESCRIPTION + + + pam_listfile is a PAM module which provides a way to deny or + allow services based on an arbitrary file. + + + The module gets the of the type specified -- + user specifies the username, + PAM_USER; tty specifies the name of the terminal + over which the request has been made, PAM_TTY; + rhost specifies the name of the remote host (if any) from which the + request was made, PAM_RHOST; and ruser specifies + the name of the remote user (if available) who made the request, + PAM_RUSER -- and looks for an instance of that + item in the . + filename contains one line per item listed. If + the item is found, then if + , + PAM_SUCCESS is returned, causing the authorization + request to succeed; else if + , + PAM_AUTH_ERR is returned, causing the authorization + request to fail. + + + If an error is encountered (for instance, if + filename does not exist, or a poorly-constructed + argument is encountered), then if onerr=succeed, + PAM_SUCCESS is returned, otherwise if + onerr=fail, PAM_AUTH_ERR or + PAM_SERVICE_ERR (as appropriate) will be returned. + + + An additional argument, , can be used + to restrict the application of the above to a specific user + () + or a given group + (). + This added restriction is only meaningful when used with the + tty, rhost and + shell items. + + + Besides this last one, all arguments should be specified; do not + count on any default behavior. + + + No credentials are awarded by this module. + + + + + + OPTIONS + + + + + + + + + + What is listed in the file and should be checked for. + + + + + + + + + + + Action to take if found in file, if the item is NOT found in + the file, then the opposite action is requested. + + + + + + + + + + + File containing one item per line. The file needs to be a plain + file and not world writable. + + + + + + + + + + + What to do if something weird happens like being unable to open + the file. + + + + + + + + + + + Restrict the user class for which the restriction apply. Note that + with this does not make sense, + but for it have a meaning. + + + + + + + + + + + Do not treat service refusals or missing list files as + errors that need to be logged. + + + + + + + + + + MODULE TYPES PROVIDED + + All module types (, , + and ) are provided. + + + + + RETURN VALUES + + + + + PAM_AUTH_ERR + + Authentication failure. + + + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + + PAM_IGNORE + + + The rule does not apply to the option. + + + + + + PAM_SERVICE_ERR + + + Error in service module. + + + + + + PAM_SUCCESS + + + Success. + + + + + + + + + + EXAMPLES + + Classic 'ftpusers' authentication can be implemented with this entry + in /etc/pam.d/ftpd: + +# +# deny ftp-access to users listed in the /etc/ftpusers file +# +auth required pam_listfile.so \ + onerr=succeed item=user sense=deny file=/etc/ftpusers + + Note, users listed in /etc/ftpusers file are + (counterintuitively) not allowed access to + the ftp service. + + + To allow login access only for certain users, you can use a + /etc/pam.d/login entry like this: + +# +# permit login to users listed in /etc/loginusers +# +auth required pam_listfile.so \ + onerr=fail item=user sense=allow file=/etc/loginusers + + For this example to work, all users who are allowed to use the + login service should be listed in the file + /etc/loginusers. Unless you are explicitly + trying to lock out root, make sure that when you do this, you leave + a way for root to log in, either by listing root in + /etc/loginusers, or by listing a user who is + able to su to the root account. + + + + + SEE ALSO + + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_listfile was written by Michael K. Johnson <johnsonm@redhat.com> + and Elliot Lee <sopwith@cuc.edu>. + + + + diff --git a/modules/pam_listfile/pam_listfile.c b/modules/pam_listfile/pam_listfile.c new file mode 100644 index 0000000..28fd58f --- /dev/null +++ b/modules/pam_listfile/pam_listfile.c @@ -0,0 +1,397 @@ +/* + * pam_listfile module + * + * by Elliot Lee , Red Hat Software. July 25, 1996. + * log refused access error christopher mccrory 1998/7/11 + * + * This code began life as the pam_rootok module. + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef PAM_DEBUG +#include +#endif + +#include +#include +#include +#include +#include "pam_inline.h" + +/* --- authentication management functions (only) --- */ + +/* Extended Items that are not directly available via pam_get_item() */ +#define EI_GROUP (1 << 0) +#define EI_SHELL (1 << 1) + +/* Constants for apply= parameter */ +#define APPLY_TYPE_NULL 0 +#define APPLY_TYPE_NONE 1 +#define APPLY_TYPE_USER 2 +#define APPLY_TYPE_GROUP 3 + +#define LESSER(a, b) ((a) < (b) ? (a) : (b)) + +int +pam_sm_authenticate (pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + int retval, i, citem=0, extitem=0, onerr=PAM_SERVICE_ERR, sense=2, quiet=0; + const void *void_citemp; + const char *citemp; + char *ifname=NULL; + char aline[256]; + char mybuf[256],myval[256]; + struct stat fileinfo; + FILE *inf; + const char *apply_val; + int apply_type; + + /* Stuff for "extended" items */ + struct passwd *userinfo; + + apply_type=APPLY_TYPE_NULL; + apply_val=""; + + for(i=0; i < argc; i++) { + { + const char *junk; + + /* option quiet has no value */ + if(!strcmp(argv[i],"quiet")) { + quiet = 1; + continue; + } + + memset(mybuf,'\0',sizeof(mybuf)); + memset(myval,'\0',sizeof(myval)); + junk = strchr(argv[i], '='); + if((junk == NULL) || (junk - argv[i]) >= (int) sizeof(mybuf)) { + pam_syslog(pamh,LOG_ERR, "Bad option: \"%s\"", + argv[i]); + continue; + } + strncpy(mybuf, argv[i], + LESSER(junk - argv[i], (int)sizeof(mybuf) - 1)); + strncpy(myval, junk + 1, sizeof(myval) - 1); + } + if(!strcmp(mybuf,"onerr")) + if(!strcmp(myval,"succeed")) + onerr = PAM_SUCCESS; + else if(!strcmp(myval,"fail")) + onerr = PAM_SERVICE_ERR; + else { + if (ifname) free (ifname); + return PAM_SERVICE_ERR; + } + else if(!strcmp(mybuf,"sense")) + if(!strcmp(myval,"allow")) + sense=0; + else if(!strcmp(myval,"deny")) + sense=1; + else { + if (ifname) free (ifname); + return onerr; + } + else if(!strcmp(mybuf,"file")) { + if (ifname) free (ifname); + ifname = (char *)malloc(strlen(myval)+1); + if (!ifname) + return PAM_BUF_ERR; + strcpy(ifname,myval); + } else if(!strcmp(mybuf,"item")) + if(!strcmp(myval,"user")) + citem = PAM_USER; + else if(!strcmp(myval,"tty")) + citem = PAM_TTY; + else if(!strcmp(myval,"rhost")) + citem = PAM_RHOST; + else if(!strcmp(myval,"ruser")) + citem = PAM_RUSER; + else { /* These items are related to the user, but are not + directly gettable with pam_get_item */ + citem = PAM_USER; + if(!strcmp(myval,"group")) + extitem = EI_GROUP; + else if(!strcmp(myval,"shell")) + extitem = EI_SHELL; + else + citem = 0; + } else if(!strcmp(mybuf,"apply")) { + apply_type=APPLY_TYPE_NONE; + if (myval[0]=='@') { + apply_type=APPLY_TYPE_GROUP; + apply_val=myval+1; + } else { + apply_type=APPLY_TYPE_USER; + apply_val=myval; + } + } else { + free(ifname); + pam_syslog(pamh,LOG_ERR, "Unknown option: %s",mybuf); + return onerr; + } + } + + if(!citem) { + pam_syslog(pamh,LOG_ERR, + "Unknown item or item not specified"); + free(ifname); + return onerr; + } else if(!ifname) { + pam_syslog(pamh,LOG_ERR, "List filename not specified"); + return onerr; + } else if(sense == 2) { + pam_syslog(pamh,LOG_ERR, + "Unknown sense or sense not specified"); + free(ifname); + return onerr; + } else if( + (apply_type==APPLY_TYPE_NONE) || + ((apply_type!=APPLY_TYPE_NULL) && (*apply_val=='\0')) + ) { + pam_syslog(pamh,LOG_ERR, + "Invalid usage for apply= parameter"); + free (ifname); + return onerr; + } + + /* Check if it makes sense to use the apply= parameter */ + if (apply_type != APPLY_TYPE_NULL) { + if((citem==PAM_USER) || (citem==PAM_RUSER)) { + pam_syslog(pamh,LOG_WARNING, + "Non-sense use for apply= parameter"); + apply_type=APPLY_TYPE_NULL; + } + if(extitem && (extitem==EI_GROUP)) { + pam_syslog(pamh,LOG_WARNING, + "Non-sense use for apply= parameter"); + apply_type=APPLY_TYPE_NULL; + } + } + + /* Short-circuit - test if this session apply for this user */ + { + const char *user_name; + int rval; + + rval=pam_get_user(pamh,&user_name,NULL); + if(rval==PAM_SUCCESS && user_name[0]) { + /* Got it ? Valid ? */ + if(apply_type==APPLY_TYPE_USER) { + if(strcmp(user_name, apply_val)) { + /* Does not apply to this user */ +#ifdef PAM_DEBUG + pam_syslog(pamh,LOG_DEBUG, + "don't apply: apply=%s, user=%s", + apply_val,user_name); +#endif /* PAM_DEBUG */ + free(ifname); + return PAM_IGNORE; + } + } else if(apply_type==APPLY_TYPE_GROUP) { + if(!pam_modutil_user_in_group_nam_nam(pamh,user_name,apply_val)) { + /* Not a member of apply= group */ +#ifdef PAM_DEBUG + pam_syslog(pamh,LOG_DEBUG, + + "don't apply: %s not a member of group %s", + user_name,apply_val); +#endif /* PAM_DEBUG */ + free(ifname); + return PAM_IGNORE; + } + } + } + } + + retval = pam_get_item(pamh,citem,&void_citemp); + citemp = void_citemp; + if(retval != PAM_SUCCESS) { + free(ifname); + return onerr; + } + if((citem == PAM_USER) && !citemp) { + retval = pam_get_user(pamh,&citemp,NULL); + if (retval != PAM_SUCCESS) { + free(ifname); + return PAM_SERVICE_ERR; + } + } + if((citem == PAM_TTY) && citemp) { + /* Normalize the TTY name. */ + const char *str = pam_str_skip_prefix(citemp, "/dev/"); + if (str != NULL) + citemp = str; + } + + if(!citemp || (strlen(citemp) == 0)) { + free(ifname); + /* The item was NULL - we are sure not to match */ + return sense?PAM_SUCCESS:PAM_AUTH_ERR; + } + + if(extitem) { + switch(extitem) { + case EI_GROUP: + /* Just ignore, call pam_modutil_in_group... later */ + break; + case EI_SHELL: + /* Assume that we have already gotten PAM_USER in + pam_get_item() - a valid assumption since citem + gets set to PAM_USER in the extitem switch */ + userinfo = pam_modutil_getpwnam(pamh, citemp); + if (userinfo == NULL) { + pam_syslog(pamh, LOG_NOTICE, "getpwnam(%s) failed", + citemp); + free(ifname); + return onerr; + } + citemp = userinfo->pw_shell; + break; + default: + pam_syslog(pamh,LOG_ERR, + + "Internal weirdness, unknown extended item %d", + extitem); + free(ifname); + return onerr; + } + } +#ifdef PAM_DEBUG + pam_syslog(pamh,LOG_INFO, + + "Got file = %s, item = %d, value = %s, sense = %d", + ifname, citem, citemp, sense); +#endif + if(lstat(ifname,&fileinfo)) { + if(!quiet) + pam_syslog(pamh,LOG_ERR, "Couldn't open %s",ifname); + free(ifname); + return onerr; + } + + if((fileinfo.st_mode & S_IWOTH) + || !S_ISREG(fileinfo.st_mode)) { + /* If the file is world writable or is not a + normal file, return error */ + pam_syslog(pamh,LOG_ERR, + "%s is either world writable or not a normal file", + ifname); + free(ifname); + return PAM_AUTH_ERR; + } + + inf = fopen(ifname,"r"); + if(inf == NULL) { /* Check that we opened it successfully */ + if (onerr == PAM_SERVICE_ERR) { + /* Only report if it's an error... */ + pam_syslog(pamh,LOG_ERR, "Error opening %s", ifname); + } + free(ifname); + return onerr; + } + /* There should be no more errors from here on */ + retval=PAM_AUTH_ERR; + /* This loop assumes that PAM_SUCCESS == 0 + and PAM_AUTH_ERR != 0 */ +#ifdef PAM_DEBUG + assert(PAM_SUCCESS == 0); + assert(PAM_AUTH_ERR != 0); +#endif + while((fgets(aline,sizeof(aline),inf) != NULL) + && retval) { + const char *a = aline; + + if(strlen(aline) == 0) + continue; + if(aline[strlen(aline) - 1] == '\n') + aline[strlen(aline) - 1] = '\0'; + if(strlen(aline) == 0) + continue; + if(aline[strlen(aline) - 1] == '\r') + aline[strlen(aline) - 1] = '\0'; + if(citem == PAM_TTY) { + const char *str = pam_str_skip_prefix(a, "/dev/"); + if (str != NULL) + a = str; + } + if (extitem == EI_GROUP) { + retval = !pam_modutil_user_in_group_nam_nam(pamh, + citemp, aline); + } else { + retval = strcmp(a, citemp); + } + } + + fclose(inf); + free(ifname); + if ((sense && retval) || (!sense && !retval)) { +#ifdef PAM_DEBUG + pam_syslog(pamh,LOG_INFO, + "Returning PAM_SUCCESS, retval = %d", retval); +#endif + return PAM_SUCCESS; + } + else { + const void *service; + const char *user_name; +#ifdef PAM_DEBUG + pam_syslog(pamh,LOG_INFO, + "Returning PAM_AUTH_ERR, retval = %d", retval); +#endif + (void) pam_get_item(pamh, PAM_SERVICE, &service); + (void) pam_get_user(pamh, &user_name, NULL); + if (!quiet) + pam_syslog (pamh, LOG_NOTICE, "Refused user %s for service %s", + user_name, (const char *)service); + return PAM_AUTH_ERR; + } +} + +int +pam_sm_setcred (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_SUCCESS; +} + +int +pam_sm_acct_mgmt (pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + return pam_sm_authenticate(pamh, flags, argc, argv); +} + +int +pam_sm_open_session (pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + return pam_sm_authenticate(pamh, flags, argc, argv); +} + +int +pam_sm_close_session (pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + return pam_sm_authenticate(pamh, flags, argc, argv); +} + +int +pam_sm_chauthtok (pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + return pam_sm_authenticate(pamh, flags, argc, argv); +} diff --git a/modules/pam_listfile/tst-pam_listfile b/modules/pam_listfile/tst-pam_listfile new file mode 100755 index 0000000..f555a9f --- /dev/null +++ b/modules/pam_listfile/tst-pam_listfile @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_listfile.so diff --git a/modules/pam_localuser/Makefile.am b/modules/pam_localuser/Makefile.am new file mode 100644 index 0000000..46f87a8 --- /dev/null +++ b/modules/pam_localuser/Makefile.am @@ -0,0 +1,36 @@ +# +# Copyright (c) 2005, 2006, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_localuser.8 +endif +XMLS = README.xml pam_localuser.8.xml +dist_check_SCRIPTS = tst-pam_localuser +TESTS = $(dist_check_SCRIPTS) $(check_PROGRAMS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_localuser.la +pam_localuser_la_LIBADD = $(top_builddir)/libpam/libpam.la + +check_PROGRAMS = tst-pam_localuser-retval +tst_pam_localuser_retval_LDADD = $(top_builddir)/libpam/libpam.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_localuser/Makefile.in b/modules/pam_localuser/Makefile.in new file mode 100644 index 0000000..9f1526f --- /dev/null +++ b/modules/pam_localuser/Makefile.in @@ -0,0 +1,1181 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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Using pam_localuser and pam_wheel +or pam_listfile is an effective way to restrict access to either local users +and/or a subset of the network's users. + +This could also be implemented using pam_listfile.so and a very short awk +script invoked by cron, but it's common enough to have been separated out. + +OPTIONS + +debug + + Print debug information. + +file=/path/passwd + + Use a file other than /etc/passwd. + +EXAMPLES + +Add the following lines to /etc/pam.d/su to allow only local users or group +wheel to use su. + +account sufficient pam_localuser.so +account required pam_wheel.so + + +AUTHOR + +pam_localuser was written by Nalin Dahyabhai . + diff --git a/modules/pam_localuser/README.xml b/modules/pam_localuser/README.xml new file mode 100644 index 0000000..4ab56d9 --- /dev/null +++ b/modules/pam_localuser/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_localuser.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_localuser-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_localuser/pam_localuser.8 b/modules/pam_localuser/pam_localuser.8 new file mode 100644 index 0000000..724ab54 --- /dev/null +++ b/modules/pam_localuser/pam_localuser.8 @@ -0,0 +1,123 @@ +'\" t +.\" Title: pam_localuser +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_LOCALUSER" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_localuser \- require users to be listed in /etc/passwd +.SH "SYNOPSIS" +.HP \w'\fBpam_localuser\&.so\fR\ 'u +\fBpam_localuser\&.so\fR [debug] [file=\fI/path/passwd\fR] +.SH "DESCRIPTION" +.PP +pam_localuser is a PAM module to help implementing site\-wide login policies, where they typically include a subset of the network\*(Aqs users and a few accounts that are local to a particular workstation\&. Using pam_localuser and pam_wheel or pam_listfile is an effective way to restrict access to either local users and/or a subset of the network\*(Aqs users\&. +.PP +This could also be implemented using pam_listfile\&.so and a very short awk script invoked by cron, but it\*(Aqs common enough to have been separated out\&. +.SH "OPTIONS" +.PP +.PP +\fBdebug\fR +.RS 4 +Print debug information\&. +.RE +.PP +\fBfile=\fR\fB\fI/path/passwd\fR\fR +.RS 4 +Use a file other than +/etc/passwd\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +All module types (\fBaccount\fR, +\fBauth\fR, +\fBpassword\fR +and +\fBsession\fR) are provided\&. +.SH "RETURN VALUES" +.PP +.PP +PAM_SUCCESS +.RS 4 +The new localuser was set successfully\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_CONV_ERR +.RS 4 +The conversation method supplied by the application failed to obtain the username\&. +.RE +.PP +PAM_INCOMPLETE +.RS 4 +The conversation method supplied by the application returned PAM_CONV_AGAIN\&. +.RE +.PP +PAM_SERVICE_ERR +.RS 4 +The user name is not valid or the passwd file is unavailable\&. +.RE +.PP +PAM_PERM_DENIED +.RS 4 +The user is not listed in the passwd file\&. +.RE +.SH "EXAMPLES" +.PP +Add the following lines to +/etc/pam\&.d/su +to allow only local users or group wheel to use su\&. +.sp +.if n \{\ +.RS 4 +.\} +.nf +account sufficient pam_localuser\&.so +account required pam_wheel\&.so + +.fi +.if n \{\ +.RE +.\} +.sp +.SH "FILES" +.PP +/etc/passwd +.RS 4 +Local user account information\&. +.RE +.SH "SEE ALSO" +.PP +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_localuser was written by Nalin Dahyabhai \&. diff --git a/modules/pam_localuser/pam_localuser.8.xml b/modules/pam_localuser/pam_localuser.8.xml new file mode 100644 index 0000000..b3c1886 --- /dev/null +++ b/modules/pam_localuser/pam_localuser.8.xml @@ -0,0 +1,202 @@ + + + + + + + pam_localuser + 8 + Linux-PAM Manual + + + + pam_localuser + require users to be listed in /etc/passwd + + + + + pam_localuser.so + + debug + + + file=/path/passwd + + + + + + + DESCRIPTION + + + pam_localuser is a PAM module to help implementing site-wide login + policies, where they typically include a subset of the network's + users and a few accounts that are local to a particular workstation. + Using pam_localuser and pam_wheel or pam_listfile is an effective + way to restrict access to either local users and/or a subset of the + network's users. + + + This could also be implemented using pam_listfile.so and a very + short awk script invoked by cron, but it's common enough to have + been separated out. + + + + + + + OPTIONS + + + + + + + + + + Print debug information. + + + + + + + + + + + Use a file other than /etc/passwd. + + + + + + + + + + + MODULE TYPES PROVIDED + + All module types (, , + and ) are provided. + + + + + RETURN VALUES + + + + + PAM_SUCCESS + + + The new localuser was set successfully. + + + + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + + PAM_CONV_ERR + + + The conversation method supplied by the application + failed to obtain the username. + + + + + + PAM_INCOMPLETE + + + The conversation method supplied by the application + returned PAM_CONV_AGAIN. + + + + + + PAM_SERVICE_ERR + + + The user name is not valid or the passwd file is unavailable. + + + + + + PAM_PERM_DENIED + + + The user is not listed in the passwd file. + + + + + + + + + + EXAMPLES + + Add the following lines to /etc/pam.d/su to + allow only local users or group wheel to use su. + +account sufficient pam_localuser.so +account required pam_wheel.so + + + + + + FILES + + + /etc/passwd + + Local user account information. + + + + + + + SEE ALSO + + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_localuser was written by Nalin Dahyabhai <nalin@redhat.com>. + + + + diff --git a/modules/pam_localuser/pam_localuser.c b/modules/pam_localuser/pam_localuser.c new file mode 100644 index 0000000..a9f2233 --- /dev/null +++ b/modules/pam_localuser/pam_localuser.c @@ -0,0 +1,126 @@ +/* + * pam_localuser module + * + * Copyright 2001, 2004 Red Hat, Inc. + * Copyright (c) 2020 Dmitry V. Levin + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" + +#include +#include +#include +#include +#include + +#include +#include +#include +#include "pam_inline.h" + +int +pam_sm_authenticate(pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + int i; + int rc; + int debug = 0; + const char *file_name = NULL; + const char *user_name = NULL; + + /* Process arguments. */ + for (i = 0; i < argc; ++i) { + if (strcmp("debug", argv[i]) == 0) { + debug = 1; + } + } + for (i = 0; i < argc; ++i) { + const char *str; + + if (strcmp("debug", argv[i]) == 0) { + /* Already processed. */ + continue; + } + if ((str = pam_str_skip_prefix(argv[i], "file=")) != NULL) { + file_name = str; + if (debug) { + pam_syslog(pamh, LOG_DEBUG, + "set filename to %s", file_name); + } + } else { + pam_syslog(pamh, LOG_ERR, "unrecognized option: %s", + argv[i]); + } + } + + /* Obtain the user name. */ + if ((rc = pam_get_user(pamh, &user_name, NULL)) != PAM_SUCCESS) { + pam_syslog(pamh, LOG_NOTICE, "cannot determine user name: %s", + pam_strerror(pamh, rc)); + return rc == PAM_CONV_AGAIN ? PAM_INCOMPLETE : rc; + } + + return pam_modutil_check_user_in_passwd(pamh, user_name, file_name); +} + +int +pam_sm_setcred(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_SUCCESS; +} + +int +pam_sm_acct_mgmt(pam_handle_t *pamh, int flags, int argc, const char **argv) +{ + return pam_sm_authenticate(pamh, flags, argc, argv); +} + +int +pam_sm_open_session(pam_handle_t *pamh, int flags, int argc, const char **argv) +{ + return pam_sm_authenticate(pamh, flags, argc, argv); +} + +int +pam_sm_close_session(pam_handle_t *pamh, int flags, int argc, const char **argv) +{ + return pam_sm_authenticate(pamh, flags, argc, argv); +} + +int +pam_sm_chauthtok(pam_handle_t *pamh, int flags, int argc, const char **argv) +{ + return pam_sm_authenticate(pamh, flags, argc, argv); +} diff --git a/modules/pam_localuser/tst-pam_localuser b/modules/pam_localuser/tst-pam_localuser new file mode 100755 index 0000000..2bcdf6b --- /dev/null +++ b/modules/pam_localuser/tst-pam_localuser @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_localuser.so diff --git a/modules/pam_localuser/tst-pam_localuser-retval.c b/modules/pam_localuser/tst-pam_localuser-retval.c new file mode 100644 index 0000000..5581cec --- /dev/null +++ b/modules/pam_localuser/tst-pam_localuser-retval.c @@ -0,0 +1,144 @@ +/* + * Check pam_localuser return values. + * + * Copyright (c) 2020 Dmitry V. Levin + */ + +#include "test_assert.h" + +#include +#include +#include +#include +#include +#include + +#define MODULE_NAME "pam_localuser" +#define TEST_NAME "tst-" MODULE_NAME "-retval" + +static const char service_file[] = TEST_NAME ".service"; +static const char passwd_file[] = TEST_NAME ".passwd"; +static const char missing_file[] = TEST_NAME ".missing"; + +static const char alice_line[] = "alice:x:1001:1001:Alice:/home/alice:"; +static const char bob_line[] = "bob:x:1002:1002:Bob:/home/bob:"; +static const char craig_prefix[] = ":x:1003:1003:"; +static const char craig_suffix[] = "craig:/home/craig:"; + +int +main(void) +{ + static struct pam_conv conv; + pam_handle_t *pamh = NULL; + FILE *fp; + char cwd[PATH_MAX]; + char name[BUFSIZ]; + + ASSERT_NE(NULL, getcwd(cwd, sizeof(cwd))); + + /* default passwd */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so\n", + cwd, MODULE_NAME)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, "", &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SERVICE_ERR, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + memset(name, 'x', sizeof(name) - 1); + name[sizeof(name) - 1] = '\0'; + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, name, &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SERVICE_ERR, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, "root:x", &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_PERM_DENIED, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + /* missing passwd file */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so file=%s\n", + cwd, MODULE_NAME, missing_file)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, "root", &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SERVICE_ERR, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + /* custom passwd file */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so file=%s\n", + cwd, MODULE_NAME, passwd_file)); + ASSERT_EQ(0, fclose(fp)); + + memcpy(name + (sizeof(name) - sizeof(craig_prefix)), + craig_prefix, sizeof(craig_prefix)); + ASSERT_NE(NULL, fp = fopen(passwd_file, "w")); + ASSERT_LT(0, fprintf(fp, "%s\n%s\n%s%s\n", + alice_line, bob_line, name, craig_suffix)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, "", &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SERVICE_ERR, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + memset(name, 'x', sizeof(name) - 1); + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, name, &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SERVICE_ERR, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, "alice", &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SUCCESS, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, "bob", &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SUCCESS, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, "alice:x", &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_PERM_DENIED, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, "craig", &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_PERM_DENIED, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(0, unlink(service_file)); + ASSERT_EQ(0, unlink(passwd_file)); + + return 0; +} diff --git a/modules/pam_loginuid/Makefile.am b/modules/pam_loginuid/Makefile.am new file mode 100644 index 0000000..071b2ae --- /dev/null +++ b/modules/pam_loginuid/Makefile.am @@ -0,0 +1,33 @@ +# +# Copyright (c) 2006, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_loginuid.8 +endif +XMLS = README.xml pam_loginuid.8.xml +dist_check_SCRIPTS = tst-pam_loginuid +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_loginuid.la +pam_loginuid_la_LIBADD = $(top_builddir)/libpam/libpam.la @LIBAUDIT@ + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_loginuid/Makefile.in b/modules/pam_loginuid/Makefile.in new file mode 100644 index 0000000..bcfe714 --- /dev/null +++ b/modules/pam_loginuid/Makefile.in @@ -0,0 +1,1150 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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This is necessary for applications to be correctly +audited. This PAM module should only be used for entry point applications like: +login, sshd, gdm, vsftpd, crond and atd. There are probably other entry point +applications besides these. You should not use it for applications like sudo or +su as that defeats the purpose by changing the loginuid to the account they +just switched to. + +EXAMPLES + +#%PAM-1.0 +auth required pam_unix.so +auth required pam_nologin.so +account required pam_unix.so +password required pam_unix.so +session required pam_unix.so +session required pam_loginuid.so + + +AUTHOR + +pam_loginuid was written by Steve Grubb + diff --git a/modules/pam_loginuid/README.xml b/modules/pam_loginuid/README.xml new file mode 100644 index 0000000..3bcd38a --- /dev/null +++ b/modules/pam_loginuid/README.xml @@ -0,0 +1,36 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_loginuid.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_loginuid-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_loginuid/pam_loginuid.8 b/modules/pam_loginuid/pam_loginuid.8 new file mode 100644 index 0000000..3bb3fda --- /dev/null +++ b/modules/pam_loginuid/pam_loginuid.8 @@ -0,0 +1,93 @@ +'\" t +.\" Title: pam_loginuid +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_LOGINUID" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_loginuid \- Record user\*(Aqs login uid to the process attribute +.SH "SYNOPSIS" +.HP \w'\fBpam_loginuid\&.so\fR\ 'u +\fBpam_loginuid\&.so\fR [require_auditd] +.SH "DESCRIPTION" +.PP +The pam_loginuid module sets the loginuid process attribute for the process that was authenticated\&. This is necessary for applications to be correctly audited\&. This PAM module should only be used for entry point applications like: login, sshd, gdm, vsftpd, crond and atd\&. There are probably other entry point applications besides these\&. You should not use it for applications like sudo or su as that defeats the purpose by changing the loginuid to the account they just switched to\&. +.SH "OPTIONS" +.PP +\fBrequire_auditd\fR +.RS 4 +This option, when given, will cause this module to query the audit daemon status and deny logins if it is not running\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +Only the +\fBsession\fR +module type is provided\&. +.SH "RETURN VALUES" +.PP +.PP +PAM_SUCCESS +.RS 4 +The loginuid value is set and auditd is running if check requested\&. +.RE +.PP +PAM_IGNORE +.RS 4 +The /proc/self/loginuid file is not present on the system or the login process runs inside uid namespace and kernel does not support overwriting loginuid\&. +.RE +.PP +PAM_SESSION_ERR +.RS 4 +Any other error prevented setting loginuid or auditd is not running\&. +.RE +.SH "EXAMPLES" +.sp +.if n \{\ +.RS 4 +.\} +.nf +#%PAM\-1\&.0 +auth required pam_unix\&.so +auth required pam_nologin\&.so +account required pam_unix\&.so +password required pam_unix\&.so +session required pam_unix\&.so +session required pam_loginuid\&.so + +.fi +.if n \{\ +.RE +.\} +.SH "SEE ALSO" +.PP +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8), +\fBauditctl\fR(8), +\fBauditd\fR(8) +.SH "AUTHOR" +.PP +pam_loginuid was written by Steve Grubb diff --git a/modules/pam_loginuid/pam_loginuid.8.xml b/modules/pam_loginuid/pam_loginuid.8.xml new file mode 100644 index 0000000..9513b0e --- /dev/null +++ b/modules/pam_loginuid/pam_loginuid.8.xml @@ -0,0 +1,142 @@ + + + + + + + pam_loginuid + 8 + Linux-PAM Manual + + + + pam_loginuid + Record user's login uid to the process attribute + + + + + pam_loginuid.so + + require_auditd + + + + + + + DESCRIPTION + + + The pam_loginuid module sets the loginuid process attribute for the + process that was authenticated. This is necessary for applications + to be correctly audited. This PAM module should only be used for entry + point applications like: login, sshd, gdm, vsftpd, crond and atd. + There are probably other entry point applications besides these. + You should not use it for applications like sudo or su as that + defeats the purpose by changing the loginuid to the account they just + switched to. + + + + + OPTIONS + + + + + + + + This option, when given, will cause this module to query + the audit daemon status and deny logins if it is not running. + + + + + + + + MODULE TYPES PROVIDED + + Only the module type is provided. + + + + + RETURN VALUES + + + + PAM_SUCCESS + + + The loginuid value is set and auditd is running if check requested. + + + + + PAM_IGNORE + + + The /proc/self/loginuid file is not present on the system or the + login process runs inside uid namespace and kernel does not support + overwriting loginuid. + + + + + PAM_SESSION_ERR + + + Any other error prevented setting loginuid or auditd is not running. + + + + + + + + + EXAMPLES + +#%PAM-1.0 +auth required pam_unix.so +auth required pam_nologin.so +account required pam_unix.so +password required pam_unix.so +session required pam_unix.so +session required pam_loginuid.so + + + + + SEE ALSO + + + pam.conf5 + , + + pam.d5 + , + + pam8 + , + + auditctl8 + , + + auditd8 + + + + + + AUTHOR + + pam_loginuid was written by Steve Grubb <sgrubb@redhat.com> + + + + diff --git a/modules/pam_loginuid/pam_loginuid.c b/modules/pam_loginuid/pam_loginuid.c new file mode 100644 index 0000000..6f5a638 --- /dev/null +++ b/modules/pam_loginuid/pam_loginuid.c @@ -0,0 +1,267 @@ +/* + * pam_loginuid module + * + * Copyright 2005 Red Hat Inc., Durham, North Carolina. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Suite 500 + * Boston, MA 02110-1335 USA + * + * Authors: + * Steve Grubb + * + * PAM module that sets the login uid introduced in kernel 2.6.11 + */ + +#include "config.h" +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include + +#ifdef HAVE_LIBAUDIT +#include +#include +#endif + +/* + * This function writes the loginuid to the /proc system. It returns + * PAM_SUCCESS on success, + * PAM_IGNORE when /proc/self/loginuid does not exist, + * PAM_SESSION_ERR in case of any other error. + */ +static int set_loginuid(pam_handle_t *pamh, uid_t uid) +{ + int fd, count, rc = PAM_SESSION_ERR; + char loginuid[24], buf[24]; + static const char host_uid_map[] = " 0 0 4294967295\n"; + char uid_map[sizeof(host_uid_map)]; + + /* loginuid in user namespaces currently isn't writable and in some + case, not even readable, so consider any failure as ignorable (but try + anyway, in case we hit a kernel which supports it). */ + fd = open("/proc/self/uid_map", O_RDONLY); + if (fd >= 0) { + count = pam_modutil_read(fd, uid_map, sizeof(uid_map)); + if (count <= 0 || strncmp(uid_map, host_uid_map, count) != 0) + rc = PAM_IGNORE; + close(fd); + } + + fd = open("/proc/self/loginuid", O_NOFOLLOW|O_RDWR); + if (fd < 0) { + if (errno == ENOENT) { + rc = PAM_IGNORE; + } + if (rc != PAM_IGNORE) { + pam_syslog(pamh, LOG_ERR, "Cannot open %s: %m", + "/proc/self/loginuid"); + } + return rc; + } + + count = snprintf(loginuid, sizeof(loginuid), "%lu", (unsigned long)uid); + if (pam_modutil_read(fd, buf, sizeof(buf)) == count && + memcmp(buf, loginuid, count) == 0) { + rc = PAM_SUCCESS; + goto done; /* already correct */ + } + if (lseek(fd, 0, SEEK_SET) == 0 && ftruncate(fd, 0) == 0 && + pam_modutil_write(fd, loginuid, count) == count) { + rc = PAM_SUCCESS; + } else { + if (rc != PAM_IGNORE) { + pam_syslog(pamh, LOG_ERR, "Error writing %s: %m", + "/proc/self/loginuid"); + } + } + done: + close(fd); + return rc; +} + +#ifdef HAVE_LIBAUDIT +/* + * This function is called only if "require_auditd" option is passed. It is + * called after loginuid has been set. The purpose is to disallow logins + * should the audit daemon not be running or crashed. It returns PAM_SUCCESS + * if the audit daemon is running and PAM_SESSION_ERR otherwise. + */ +static int check_auditd(void) +{ + int fd, retval; + + fd = audit_open(); + if (fd < 0) { + /* This is here to let people that build their own kernel + and disable the audit system get in. You get these error + codes only when the kernel doesn't have audit + compiled in. */ + if (errno == EINVAL || errno == EPROTONOSUPPORT || + errno == EAFNOSUPPORT) + return PAM_SUCCESS; + return PAM_SESSION_ERR; + } + retval = audit_request_status(fd); + if (retval > 0) { + struct audit_reply rep; + int i; + int timeout = 30; /* tenths of seconds */ + fd_set read_mask; + + FD_ZERO(&read_mask); + FD_SET(fd, &read_mask); + + for (i = 0; i < timeout; i++) { + struct timeval t; + int rc; + + t.tv_sec = 0; + t.tv_usec = 100000; + do { + rc = select(fd+1, &read_mask, NULL, NULL, &t); + } while (rc < 0 && errno == EINTR); + + rc = audit_get_reply(fd, &rep, GET_REPLY_NONBLOCKING,0); + if (rc > 0) { + /* If we get done or error, break out */ + if (rep.type == NLMSG_DONE || + rep.type == NLMSG_ERROR) + break; + + /* If its not status, keep looping */ + if (rep.type != AUDIT_GET) + continue; + + /* Found it... */ + close(fd); + if (rep.status->pid == 0) + return PAM_SESSION_ERR; + else + return PAM_SUCCESS; + } + } + } + close(fd); + if (retval == -ECONNREFUSED) { + /* This is here to let people that build their own kernel + and disable the audit system get in. ECONNREFUSED is + issued by the kernel when there is "no on listening". */ + return PAM_SUCCESS; + } else if (retval == -EPERM && getuid() != 0) { + /* If we get this, then the kernel supports auditing + * but we don't have enough privilege to write to the + * socket. Therefore, we have already been authenticated + * and we are a common user. Just act as though auditing + * is not enabled. Any other error we take seriously. */ + return PAM_SUCCESS; + } + + return PAM_SESSION_ERR; +} +#endif + +/* + * Initialize audit session for user + */ +static int +_pam_loginuid(pam_handle_t *pamh, int flags UNUSED, +#ifdef HAVE_LIBAUDIT + int argc, const char **argv +#else + int argc UNUSED, const char **argv UNUSED +#endif +) +{ + const char *user = NULL; + struct passwd *pwd; + int ret; +#ifdef HAVE_LIBAUDIT + int require_auditd = 0; +#endif + + /* get user name */ + if (pam_get_user(pamh, &user, NULL) != PAM_SUCCESS) { + pam_syslog(pamh, LOG_NOTICE, "cannot determine user name"); + return PAM_SESSION_ERR; + } + + /* get user info */ + if ((pwd = pam_modutil_getpwnam(pamh, user)) == NULL) { + pam_syslog(pamh, LOG_NOTICE, + "error: login user-name '%s' does not exist", user); + return PAM_SESSION_ERR; + } + + ret = set_loginuid(pamh, pwd->pw_uid); + switch (ret) { + case PAM_SUCCESS: + case PAM_IGNORE: + break; + default: + pam_syslog(pamh, LOG_ERR, "set_loginuid failed"); + return ret; + } + +#ifdef HAVE_LIBAUDIT + while (argc-- > 0) { + if (strcmp(*argv, "require_auditd") == 0) + require_auditd = 1; + argv++; + } + + if (require_auditd) { + int rc = check_auditd(); + if (rc != PAM_SUCCESS) + pam_syslog(pamh, LOG_ERR, "required running auditd not detected"); + return rc != PAM_SUCCESS ? rc : ret; + } else +#endif + return ret; +} + +/* + * PAM routines + * + * This is here for vsftpd which doesn't seem to run the session stack + */ +int +pam_sm_acct_mgmt(pam_handle_t *pamh, int flags, int argc, const char **argv) +{ + return _pam_loginuid(pamh, flags, argc, argv); +} + +int +pam_sm_open_session(pam_handle_t *pamh, int flags, int argc, const char **argv) +{ + return _pam_loginuid(pamh, flags, argc, argv); +} + +int +pam_sm_close_session(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_SUCCESS; +} diff --git a/modules/pam_loginuid/tst-pam_loginuid b/modules/pam_loginuid/tst-pam_loginuid new file mode 100755 index 0000000..bd1e83b --- /dev/null +++ b/modules/pam_loginuid/tst-pam_loginuid @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_loginuid.so diff --git a/modules/pam_mail/Makefile.am b/modules/pam_mail/Makefile.am new file mode 100644 index 0000000..6756f40 --- /dev/null +++ b/modules/pam_mail/Makefile.am @@ -0,0 +1,33 @@ +# +# Copyright (c) 2005, 2006, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_mail.8 +endif +XMLS = README.xml pam_mail.8.xml +dist_check_SCRIPTS = tst-pam_mail +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_mail.la +pam_mail_la_LIBADD = $(top_builddir)/libpam/libpam.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_mail/Makefile.in b/modules/pam_mail/Makefile.in new file mode 100644 index 0000000..fbbffa7 --- /dev/null +++ b/modules/pam_mail/Makefile.in @@ -0,0 +1,1150 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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It +gives a single message indicating the newness of any mail it finds in the +user's mail folder. This module also sets the PAM environment variable, MAIL, +to the user's mail directory. + +If the mail spool file (be it /var/mail/$USER or a pathname given with the dir= +parameter) is a directory then pam_mail assumes it is in the Maildir format. + +OPTIONS + +close + + Indicate if the user has any mail also on logout. + +debug + + Print debug information. + +dir=maildir + + Look for the user's mail in an alternative location defined by maildir/ + . The default location for mail is /var/mail/. Note, if the + supplied maildir is prefixed by a '~', the directory is interpreted as + indicating a file in the user's home directory. + +empty + + Also print message if user has no mail. + +hash=count + + Mail directory hash depth. For example, a hashcount of 2 would make the + mail file be /var/spool/mail/u/s/user. + +noenv + + Do not set the MAIL environment variable. + +nopen + + Don't print any mail information on login. This flag is useful to get the + MAIL environment variable set, but to not display any information about it. + +quiet + + Only report when there is new mail. + +standard + + Old style "You have..." format which doesn't show the mail spool being + used. This also implies "empty". + +EXAMPLES + +Add the following line to /etc/pam.d/login to indicate that the user has new +mail when they login to the system. + +session optional pam_mail.so standard + + +AUTHOR + +pam_mail was written by Andrew G. Morgan . + diff --git a/modules/pam_mail/README.xml b/modules/pam_mail/README.xml new file mode 100644 index 0000000..4165d85 --- /dev/null +++ b/modules/pam_mail/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_mail.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_mail-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_mail/pam_mail.8 b/modules/pam_mail/pam_mail.8 new file mode 100644 index 0000000..a6f7766 --- /dev/null +++ b/modules/pam_mail/pam_mail.8 @@ -0,0 +1,159 @@ +'\" t +.\" Title: pam_mail +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_MAIL" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_mail \- Inform about available mail +.SH "SYNOPSIS" +.HP \w'\fBpam_mail\&.so\fR\ 'u +\fBpam_mail\&.so\fR [close] [debug] [dir=\fImaildir\fR] [empty] [hash=\fIcount\fR] [noenv] [nopen] [quiet] [standard] +.SH "DESCRIPTION" +.PP +The pam_mail PAM module provides the "you have new mail" service to the user\&. It can be plugged into any application that has credential or session hooks\&. It gives a single message indicating the +\fInewness\fR +of any mail it finds in the user\*(Aqs mail folder\&. This module also sets the PAM environment variable, +\fBMAIL\fR, to the user\*(Aqs mail directory\&. +.PP +If the mail spool file (be it +/var/mail/$USER +or a pathname given with the +\fBdir=\fR +parameter) is a directory then pam_mail assumes it is in the +\fIMaildir\fR +format\&. +.SH "OPTIONS" +.PP +.PP +\fBclose\fR +.RS 4 +Indicate if the user has any mail also on logout\&. +.RE +.PP +\fBdebug\fR +.RS 4 +Print debug information\&. +.RE +.PP +\fBdir=\fR\fB\fImaildir\fR\fR +.RS 4 +Look for the user\*(Aqs mail in an alternative location defined by +maildir/\&. The default location for mail is +/var/mail/\&. Note, if the supplied +maildir +is prefixed by a \*(Aq~\*(Aq, the directory is interpreted as indicating a file in the user\*(Aqs home directory\&. +.RE +.PP +\fBempty\fR +.RS 4 +Also print message if user has no mail\&. +.RE +.PP +\fBhash=\fR\fB\fIcount\fR\fR +.RS 4 +Mail directory hash depth\&. For example, a +\fIhashcount\fR +of 2 would make the mail file be +/var/spool/mail/u/s/user\&. +.RE +.PP +\fBnoenv\fR +.RS 4 +Do not set the +\fBMAIL\fR +environment variable\&. +.RE +.PP +\fBnopen\fR +.RS 4 +Don\*(Aqt print any mail information on login\&. This flag is useful to get the +\fBMAIL\fR +environment variable set, but to not display any information about it\&. +.RE +.PP +\fBquiet\fR +.RS 4 +Only report when there is new mail\&. +.RE +.PP +\fBstandard\fR +.RS 4 +Old style "You have\&.\&.\&." format which doesn\*(Aqt show the mail spool being used\&. This also implies "empty"\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +The +\fBsession\fR +and +\fBauth\fR +(on establishment and deletion of credentials) module types are provided\&. +.SH "RETURN VALUES" +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_SERVICE_ERR +.RS 4 +Badly formed arguments\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Success\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +User not known\&. +.RE +.SH "EXAMPLES" +.PP +Add the following line to +/etc/pam\&.d/login +to indicate that the user has new mail when they login to the system\&. +.sp +.if n \{\ +.RS 4 +.\} +.nf +session optional pam_mail\&.so standard + +.fi +.if n \{\ +.RE +.\} +.sp +.SH "SEE ALSO" +.PP +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_mail was written by Andrew G\&. Morgan \&. diff --git a/modules/pam_mail/pam_mail.8.xml b/modules/pam_mail/pam_mail.8.xml new file mode 100644 index 0000000..95216b6 --- /dev/null +++ b/modules/pam_mail/pam_mail.8.xml @@ -0,0 +1,280 @@ + + + + + + + pam_mail + 8 + Linux-PAM Manual + + + + pam_mail + Inform about available mail + + + + + pam_mail.so + + close + + + debug + + + dir=maildir + + + empty + + + hash=count + + + noenv + + + nopen + + + quiet + + + standard + + + + + + + DESCRIPTION + + + The pam_mail PAM module provides the "you have new mail" + service to the user. It can be plugged into any application + that has credential or session hooks. It gives a single message + indicating the newness of any mail it finds + in the user's mail folder. This module also sets the PAM + environment variable, MAIL, to the + user's mail directory. + + + If the mail spool file (be it /var/mail/$USER + or a pathname given with the parameter) is + a directory then pam_mail assumes it is in the + Maildir format. + + + + + + OPTIONS + + + + + + + + + + Indicate if the user has any mail also on logout. + + + + + + + + + + + Print debug information. + + + + + + + + + + + Look for the user's mail in an alternative location defined by + maildir/<login>. The default + location for mail is /var/mail/<login>. + Note, if the supplied + maildir is prefixed by a '~', the + directory is interpreted as indicating a file in the user's + home directory. + + + + + + + + + + + Also print message if user has no mail. + + + + + + + + + + + Mail directory hash depth. For example, a + hashcount of 2 would + make the mail file be + /var/spool/mail/u/s/user. + + + + + + + + + + + Do not set the MAIL + environment variable. + + + + + + + + + + + Don't print any mail information on login. This flag is + useful to get the MAIL + environment variable set, but to not display any information + about it. + + + + + + + + + + + Only report when there is new mail. + + + + + + + + + + + Old style "You have..." format which doesn't show the + mail spool being used. This also implies "empty". + + + + + + + + + + + MODULE TYPES PROVIDED + + The and + (on establishment and + deletion of credentials) module types are provided. + + + + + RETURN VALUES + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + + PAM_SERVICE_ERR + + + Badly formed arguments. + + + + + + PAM_SUCCESS + + + Success. + + + + + + PAM_USER_UNKNOWN + + + User not known. + + + + + + + + + EXAMPLES + + Add the following line to /etc/pam.d/login to + indicate that the user has new mail when they login to the system. + +session optional pam_mail.so standard + + + + + + SEE ALSO + + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_mail was written by Andrew G. Morgan <morgan@kernel.org>. + + + + diff --git a/modules/pam_mail/pam_mail.c b/modules/pam_mail/pam_mail.c new file mode 100644 index 0000000..17383c7 --- /dev/null +++ b/modules/pam_mail/pam_mail.c @@ -0,0 +1,468 @@ +/* + * pam_mail module + * + * Written by Andrew Morgan 1996/3/11 + * $HOME additions by David Kinchlea 1997/1/7 + * mailhash additions by Chris Adams 1998/7/11 + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef HAVE_PATHS_H +#include +#endif + +#define DEFAULT_MAIL_DIRECTORY PAM_PATH_MAILDIR +#define MAIL_FILE_FORMAT "%s%s/%s" +#define MAIL_ENV_NAME "MAIL" +#define MAIL_ENV_FORMAT MAIL_ENV_NAME "=%s" + +#include +#include +#include +#include +#include "pam_inline.h" + +/* argument parsing */ + +#define PAM_DEBUG_ARG 0x0001 +#define PAM_NO_LOGIN 0x0002 +#define PAM_LOGOUT_TOO 0x0004 +#define PAM_NEW_MAIL_DIR 0x0010 +#define PAM_MAIL_SILENT 0x0020 +#define PAM_NO_ENV 0x0040 +#define PAM_HOME_MAIL 0x0100 +#define PAM_EMPTY_TOO 0x0200 +#define PAM_STANDARD_MAIL 0x0400 +#define PAM_QUIET_MAIL 0x1000 + +#define HAVE_NEW_MAIL 0x1 +#define HAVE_OLD_MAIL 0x2 +#define HAVE_NO_MAIL 0x3 +#define HAVE_MAIL 0x4 + +static int +_pam_parse (const pam_handle_t *pamh, int flags, int argc, + const char **argv, const char **maildir, size_t *hashcount) +{ + int ctrl=0; + + if (flags & PAM_SILENT) { + ctrl |= PAM_MAIL_SILENT; + } + + *hashcount = 0; + + /* step through arguments */ + for (; argc-- > 0; ++argv) { + const char *str; + + /* generic options */ + + if (!strcmp(*argv,"debug")) + ctrl |= PAM_DEBUG_ARG; + else if (!strcmp(*argv,"quiet")) + ctrl |= PAM_QUIET_MAIL; + else if (!strcmp(*argv,"standard")) + ctrl |= PAM_STANDARD_MAIL | PAM_EMPTY_TOO; + else if ((str = pam_str_skip_prefix(*argv, "dir=")) != NULL) { + *maildir = str; + if (**maildir != '\0') { + D(("new mail directory: %s", *maildir)); + ctrl |= PAM_NEW_MAIL_DIR; + } else { + pam_syslog(pamh, LOG_ERR, + "dir= specification missing argument - ignored"); + } + } else if ((str = pam_str_skip_prefix(*argv, "hash=")) != NULL) { + char *ep = NULL; + *hashcount = strtoul(str,&ep,10); + if (!ep) { + *hashcount = 0; + } + } else if (!strcmp(*argv,"close")) { + ctrl |= PAM_LOGOUT_TOO; + } else if (!strcmp(*argv,"nopen")) { + ctrl |= PAM_NO_LOGIN; + } else if (!strcmp(*argv,"noenv")) { + ctrl |= PAM_NO_ENV; + } else if (!strcmp(*argv,"empty")) { + ctrl |= PAM_EMPTY_TOO; + } else { + pam_syslog(pamh, LOG_ERR, "unknown option: %s", *argv); + } + } + + if ((*hashcount != 0) && !(ctrl & PAM_NEW_MAIL_DIR)) { + *maildir = DEFAULT_MAIL_DIRECTORY; + ctrl |= PAM_NEW_MAIL_DIR; + } + + return ctrl; +} + +static int +get_folder(pam_handle_t *pamh, int ctrl, + const char *path_mail, char **folder_p, size_t hashcount, + const struct passwd *pwd) +{ + int retval; + const char *path; + char *folder = NULL; + + if (ctrl & PAM_NEW_MAIL_DIR) { + path = path_mail; + if (*path == '~') { /* support for $HOME delivery */ + /* + * "~/xxx" and "~xxx" are treated as same + */ + if (!*++path || (*path == '/' && !*++path)) { + pam_syslog(pamh, LOG_ERR, + "badly formed mail path [%s]", path_mail); + retval = PAM_SERVICE_ERR; + goto get_folder_cleanup; + } + ctrl |= PAM_HOME_MAIL; + if (hashcount != 0) { + pam_syslog(pamh, LOG_ERR, + "cannot do hash= and home directory mail"); + } + } + } else { + path = DEFAULT_MAIL_DIRECTORY; + } + + /* put folder together */ + + hashcount = hashcount < strlen(pwd->pw_name) ? + hashcount : strlen(pwd->pw_name); + + retval = PAM_BUF_ERR; + if (ctrl & PAM_HOME_MAIL) { + if (asprintf(&folder, MAIL_FILE_FORMAT, pwd->pw_dir, "", path) < 0) + goto get_folder_cleanup; + } else { + int rc; + size_t i; + char *hash; + + if ((hash = malloc(2 * hashcount + 1)) == NULL) + goto get_folder_cleanup; + + for (i = 0; i < hashcount; i++) { + hash[2 * i] = '/'; + hash[2 * i + 1] = pwd->pw_name[i]; + } + hash[2 * i] = '\0'; + + rc = asprintf(&folder, MAIL_FILE_FORMAT, path, hash, pwd->pw_name); + _pam_overwrite(hash); + _pam_drop(hash); + if (rc < 0) + goto get_folder_cleanup; + } + D(("folder=[%s]", folder)); + retval = PAM_SUCCESS; + + /* tidy up */ + + get_folder_cleanup: + path = NULL; + + *folder_p = folder; + folder = NULL; + + if (retval == PAM_BUF_ERR) + pam_syslog(pamh, LOG_CRIT, "out of memory for mail folder"); + + return retval; +} + +static int +get_mail_status(pam_handle_t *pamh, int ctrl, const char *folder) +{ + int type = 0; + struct stat mail_st; + + if (stat(folder, &mail_st) < 0) + return 0; + + if (S_ISDIR(mail_st.st_mode)) { /* Assume Maildir format */ + int i, save_errno; + char *dir; + struct dirent **namelist; + + if (asprintf(&dir, "%s/new", folder) < 0) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + goto get_mail_status_cleanup; + } + i = scandir(dir, &namelist, 0, alphasort); + save_errno = errno; + _pam_overwrite(dir); + _pam_drop(dir); + if (i < 0) { + type = 0; + namelist = NULL; + if (save_errno == ENOMEM) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + goto get_mail_status_cleanup; + } + } + type = (i > 2) ? HAVE_NEW_MAIL : 0; + while (--i >= 0) + _pam_drop(namelist[i]); + _pam_drop(namelist); + if (type == 0) { + if (asprintf(&dir, "%s/cur", folder) < 0) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + goto get_mail_status_cleanup; + } + i = scandir(dir, &namelist, 0, alphasort); + save_errno = errno; + _pam_overwrite(dir); + _pam_drop(dir); + if (i < 0) { + type = 0; + namelist = NULL; + if (save_errno == ENOMEM) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + goto get_mail_status_cleanup; + } + } + if (i > 2) + type = HAVE_OLD_MAIL; + else + type = (ctrl & PAM_EMPTY_TOO) ? HAVE_NO_MAIL : 0; + while (--i >= 0) + _pam_drop(namelist[i]); + _pam_drop(namelist); + } + } else { + if (mail_st.st_size > 0) { + if (mail_st.st_atime < mail_st.st_mtime) /* new */ + type = HAVE_NEW_MAIL; + else /* old */ + type = (ctrl & PAM_STANDARD_MAIL) ? HAVE_MAIL : HAVE_OLD_MAIL; + } else if (ctrl & PAM_EMPTY_TOO) { + type = HAVE_NO_MAIL; + } else { + type = 0; + } + } + + get_mail_status_cleanup: + memset(&mail_st, 0, sizeof(mail_st)); + D(("user has %d mail in %s folder", type, folder)); + return type; +} + +static int +report_mail(pam_handle_t *pamh, int ctrl, int type, const char *folder) +{ + int retval; + + if ((ctrl & PAM_MAIL_SILENT) || + ((ctrl & PAM_QUIET_MAIL) && type != HAVE_NEW_MAIL)) + { + D(("keeping quiet")); + retval = PAM_SUCCESS; + } + else + { + if (ctrl & PAM_STANDARD_MAIL) + switch (type) + { + case HAVE_NO_MAIL: + retval = pam_info (pamh, "%s", _("You have no mail.")); + break; + case HAVE_NEW_MAIL: + retval = pam_info (pamh, "%s", _("You have new mail.")); + break; + case HAVE_OLD_MAIL: + retval = pam_info (pamh, "%s", _("You have old mail.")); + break; + case HAVE_MAIL: + default: + retval = pam_info (pamh, "%s", _("You have mail.")); + break; + } + else + switch (type) + { + case HAVE_NO_MAIL: + retval = pam_info (pamh, _("You have no mail in folder %s."), + folder); + break; + case HAVE_NEW_MAIL: + retval = pam_info (pamh, _("You have new mail in folder %s."), + folder); + break; + case HAVE_OLD_MAIL: + retval = pam_info (pamh, _("You have old mail in folder %s."), + folder); + break; + case HAVE_MAIL: + default: + retval = pam_info (pamh, _("You have mail in folder %s."), + folder); + break; + } + } + + D(("returning %s", pam_strerror(pamh, retval))); + return retval; +} + +static int _do_mail(pam_handle_t *, int, int, const char **, int); + +/* --- authentication functions --- */ + +int +pam_sm_authenticate (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_IGNORE; +} + +/* Checking mail as part of authentication */ +int pam_sm_setcred(pam_handle_t *pamh, int flags, int argc, + const char **argv) +{ + if (!(flags & (PAM_ESTABLISH_CRED|PAM_DELETE_CRED))) + return PAM_IGNORE; + return _do_mail(pamh,flags,argc,argv,(flags & PAM_ESTABLISH_CRED)); +} + +/* --- session management functions --- */ + +int pam_sm_close_session(pam_handle_t *pamh,int flags,int argc + ,const char **argv) +{ + return _do_mail(pamh,flags,argc,argv,0); +} + +/* Checking mail as part of the session management */ +int pam_sm_open_session(pam_handle_t *pamh, int flags, int argc, + const char **argv) +{ + return _do_mail(pamh,flags,argc,argv,1); +} + + +/* --- The Beaf (Tm) --- */ + +static int _do_mail(pam_handle_t *pamh, int flags, int argc, + const char **argv, int est) +{ + int retval, ctrl, type; + size_t hashcount; + char *folder = NULL; + const char *user; + const char *path_mail = NULL; + const struct passwd *pwd = NULL; + + /* + * this module (un)sets the MAIL environment variable, and checks if + * the user has any new mail. + */ + + ctrl = _pam_parse(pamh, flags, argc, argv, &path_mail, &hashcount); + + retval = pam_get_user(pamh, &user, NULL); + if (retval != PAM_SUCCESS) { + pam_syslog(pamh, LOG_NOTICE, "cannot determine user name: %s", + pam_strerror(pamh, retval)); + return PAM_USER_UNKNOWN; + } + + pwd = pam_modutil_getpwnam (pamh, user); + if (pwd == NULL) { + pam_syslog(pamh, LOG_NOTICE, "user unknown"); + return PAM_USER_UNKNOWN; + } + + /* which folder? */ + + retval = get_folder(pamh, ctrl, path_mail, &folder, hashcount, pwd); + if (retval != PAM_SUCCESS) { + D(("failed to find folder")); + return retval; + } + + /* set the MAIL variable? */ + + if (!(ctrl & PAM_NO_ENV) && est) { + char *tmp; + + if (asprintf(&tmp, MAIL_ENV_FORMAT, folder) < 0) { + pam_syslog(pamh, LOG_CRIT, + "no memory for " MAIL_ENV_NAME " variable"); + retval = PAM_BUF_ERR; + goto do_mail_cleanup; + } + D(("setting env: %s", tmp)); + retval = pam_putenv(pamh, tmp); + _pam_overwrite(tmp); + _pam_drop(tmp); + if (retval != PAM_SUCCESS) { + pam_syslog(pamh, LOG_CRIT, + "unable to set " MAIL_ENV_NAME " variable"); + retval = PAM_BUF_ERR; + goto do_mail_cleanup; + } + } else { + D(("not setting " MAIL_ENV_NAME " variable")); + } + + /* + * OK. we've got the mail folder... what about its status? + */ + + if ((est && !(ctrl & PAM_NO_LOGIN)) + || (!est && (ctrl & PAM_LOGOUT_TOO))) { + PAM_MODUTIL_DEF_PRIVS(privs); + + if (pam_modutil_drop_priv(pamh, &privs, pwd)) { + retval = PAM_SESSION_ERR; + goto do_mail_cleanup; + } else { + type = get_mail_status(pamh, ctrl, folder); + if (pam_modutil_regain_priv(pamh, &privs)) { + retval = PAM_SESSION_ERR; + goto do_mail_cleanup; + } + } + + if (type != 0) { + retval = report_mail(pamh, ctrl, type, folder); + type = 0; + } + } + + /* Delete environment variable? */ + if ( ! est && ! (ctrl & PAM_NO_ENV) ) + (void) pam_putenv(pamh, MAIL_ENV_NAME); + + do_mail_cleanup: + _pam_overwrite(folder); + _pam_drop(folder); + + /* indicate success or failure */ + + return retval; +} + +/* end of module definition */ diff --git a/modules/pam_mail/tst-pam_mail b/modules/pam_mail/tst-pam_mail new file mode 100755 index 0000000..99fb7ed --- /dev/null +++ b/modules/pam_mail/tst-pam_mail @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_mail.so diff --git a/modules/pam_mkhomedir/Makefile.am b/modules/pam_mkhomedir/Makefile.am new file mode 100644 index 0000000..04da1dc --- /dev/null +++ b/modules/pam_mkhomedir/Makefile.am @@ -0,0 +1,44 @@ +# +# Copyright (c) 2005, 2006, 2009 Thorsten Kukuk +# Copyright (c) 2008 Red Hat, Inc. +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_mkhomedir.8 mkhomedir_helper.8 +endif +XMLS = README.xml pam_mkhomedir.8.xml mkhomedir_helper.8.xml +dist_check_SCRIPTS = tst-pam_mkhomedir +TESTS = $(dist_check_SCRIPTS) $(check_PROGRAMS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + -DMKHOMEDIR_HELPER=\"$(sbindir)/mkhomedir_helper\" $(WARN_CFLAGS) + +securelib_LTLIBRARIES = pam_mkhomedir.la +pam_mkhomedir_la_SOURCES = pam_mkhomedir.c +pam_mkhomedir_la_LIBADD = $(top_builddir)/libpam/libpam.la +pam_mkhomedir_la_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + pam_mkhomedir_la_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +sbin_PROGRAMS = mkhomedir_helper +mkhomedir_helper_SOURCES = mkhomedir_helper.c +mkhomedir_helper_CFLAGS = $(AM_CFLAGS) @EXE_CFLAGS@ +mkhomedir_helper_LDFLAGS = @EXE_LDFLAGS@ +mkhomedir_helper_LDADD = $(top_builddir)/libpam/libpam.la + +check_PROGRAMS = tst-pam_mkhomedir-retval +tst_pam_mkhomedir_retval_LDADD = $(top_builddir)/libpam/libpam.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_mkhomedir/Makefile.in b/modules/pam_mkhomedir/Makefile.in new file mode 100644 index 0000000..163531e --- /dev/null +++ b/modules/pam_mkhomedir/Makefile.in @@ -0,0 +1,1280 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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This allows users to be present in central +database (such as NIS, kerberos or LDAP) without using a distributed file +system or pre-creating a large number of directories. The skeleton directory +(usually /etc/skel/) is used to copy default files and also sets a umask for +the creation. + +The new users home directory will not be removed after logout of the user. + +EXAMPLES + +A sample /etc/pam.d/login file: + + auth requisite pam_securetty.so + auth sufficient pam_ldap.so + auth required pam_unix.so + auth required pam_nologin.so + account sufficient pam_ldap.so + account required pam_unix.so + password required pam_unix.so + session required pam_mkhomedir.so skel=/etc/skel/ umask=0022 + session required pam_unix.so + session optional pam_lastlog.so + session optional pam_mail.so standard + + +AUTHOR + +pam_mkhomedir was written by Jason Gunthorpe . + diff --git a/modules/pam_mkhomedir/README.xml b/modules/pam_mkhomedir/README.xml new file mode 100644 index 0000000..978cbe7 --- /dev/null +++ b/modules/pam_mkhomedir/README.xml @@ -0,0 +1,36 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_mkhomedir.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_mkhomedir-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_mkhomedir/mkhomedir_helper.8 b/modules/pam_mkhomedir/mkhomedir_helper.8 new file mode 100644 index 0000000..a9e68a0 --- /dev/null +++ b/modules/pam_mkhomedir/mkhomedir_helper.8 @@ -0,0 +1,63 @@ +'\" t +.\" Title: mkhomedir_helper +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "MKHOMEDIR_HELPER" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +mkhomedir_helper \- Helper binary that creates home directories +.SH "SYNOPSIS" +.HP \w'\fBmkhomedir_helper\fR\ 'u +\fBmkhomedir_helper\fR {\fIuser\fR} [\fIumask\fR\ [\ \fIpath\-to\-skel\fR\ [\ \fIhome_mode\fR\ ]\ ]] +.SH "DESCRIPTION" +.PP +\fImkhomedir_helper\fR +is a helper program for the +\fIpam_mkhomedir\fR +module that creates home directories and populates them with contents of the specified skel directory\&. +.PP +The default value of +\fIumask\fR +is 0022 and the default value of +\fIpath\-to\-skel\fR +is +\fI/etc/skel\fR\&. The default value of +\fIhome_mode\fR +is computed from the value of +\fIumask\fR\&. +.PP +The helper is separated from the module to not require direct access from login SELinux domains to the contents of user home directories\&. The SELinux domain transition happens when the module is executing the +\fImkhomedir_helper\fR\&. +.PP +The helper never touches home directories if they already exist\&. +.SH "SEE ALSO" +.PP +\fBpam_mkhomedir\fR(8) +.SH "AUTHOR" +.PP +Written by Tomas Mraz based on the code originally in +\fIpam_mkhomedir\fR +module\&. diff --git a/modules/pam_mkhomedir/mkhomedir_helper.8.xml b/modules/pam_mkhomedir/mkhomedir_helper.8.xml new file mode 100644 index 0000000..8a76f2d --- /dev/null +++ b/modules/pam_mkhomedir/mkhomedir_helper.8.xml @@ -0,0 +1,83 @@ + + + + + + + mkhomedir_helper + 8 + Linux-PAM Manual + + + + mkhomedir_helper + Helper binary that creates home directories + + + + + mkhomedir_helper + + user + + + umask + + path-to-skel + + home_mode + + + + + + + + + DESCRIPTION + + + mkhomedir_helper is a helper program for the + pam_mkhomedir module that creates home directories + and populates them with contents of the specified skel directory. + + + + The default value of umask is 0022 and the + default value of path-to-skel is + /etc/skel. The default value of + home_mode is computed from the value of + umask. + + + + The helper is separated from the module to not require direct access from + login SELinux domains to the contents of user home directories. The + SELinux domain transition happens when the module is executing the + mkhomedir_helper. + + + + The helper never touches home directories if they already exist. + + + + + SEE ALSO + + + pam_mkhomedir8 + + + + + + AUTHOR + + Written by Tomas Mraz based on the code originally in + pam_mkhomedir module. + + + + diff --git a/modules/pam_mkhomedir/mkhomedir_helper.c b/modules/pam_mkhomedir/mkhomedir_helper.c new file mode 100644 index 0000000..582fecc --- /dev/null +++ b/modules/pam_mkhomedir/mkhomedir_helper.c @@ -0,0 +1,439 @@ +/* mkhomedir_helper - helper for pam_mkhomedir module + + Released under the GNU LGPL version 2 or later + + Copyright (c) Red Hat, Inc., 2009 + Originally written by Jason Gunthorpe Feb 1999 + Structure taken from pam_lastlogin by Andrew Morgan + 1996 + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +static unsigned long u_mask = 0022; +static unsigned long home_mode = 0; +static char skeldir[BUFSIZ] = "/etc/skel"; + +/* Do the actual work of creating a home dir */ +static int +create_homedir(const struct passwd *pwd, + const char *source, const char *dest) +{ + char remark[BUFSIZ]; + DIR *d; + struct dirent *dent; + int retval = PAM_SESSION_ERR; + + /* Create the new directory */ + if (mkdir(dest, 0700) && errno != EEXIST) + { + pam_syslog(NULL, LOG_ERR, "unable to create directory %s: %m", dest); + return PAM_PERM_DENIED; + } + + /* See if we need to copy the skel dir over. */ + if ((source == NULL) || (strlen(source) == 0)) + { + retval = PAM_SUCCESS; + goto go_out; + } + + /* Scan the directory */ + d = opendir(source); + if (d == NULL) + { + pam_syslog(NULL, LOG_DEBUG, "unable to read directory %s: %m", source); + retval = PAM_PERM_DENIED; + goto go_out; + } + + for (dent = readdir(d); dent != NULL; dent = readdir(d)) + { + int srcfd; + int destfd; + int res; + struct stat st; +#ifndef PATH_MAX + char *newsource = NULL, *newdest = NULL; + /* track length of buffers */ + int nslen = 0, ndlen = 0; + int slen = strlen(source), dlen = strlen(dest); +#else + char newsource[PATH_MAX], newdest[PATH_MAX]; +#endif + + /* Skip some files.. */ + if (strcmp(dent->d_name,".") == 0 || + strcmp(dent->d_name,"..") == 0) + continue; + + /* Determine what kind of file it is. */ +#ifndef PATH_MAX + nslen = slen + strlen(dent->d_name) + 2; + + if (nslen <= 0) + { + retval = PAM_BUF_ERR; + goto go_out; + } + + if ((newsource = malloc(nslen)) == NULL) + { + retval = PAM_BUF_ERR; + goto go_out; + } + + sprintf(newsource, "%s/%s", source, dent->d_name); +#else + snprintf(newsource, sizeof(newsource), "%s/%s", source, dent->d_name); +#endif + + if (lstat(newsource, &st) != 0) +#ifndef PATH_MAX + { + free(newsource); + newsource = NULL; + continue; + } +#else + continue; +#endif + + + /* We'll need the new file's name. */ +#ifndef PATH_MAX + ndlen = dlen + strlen(dent->d_name)+2; + + if (ndlen <= 0) + { + retval = PAM_BUF_ERR; + goto go_out; + } + + if ((newdest = malloc(ndlen)) == NULL) + { + free (newsource); + retval = PAM_BUF_ERR; + goto go_out; + } + + sprintf (newdest, "%s/%s", dest, dent->d_name); +#else + snprintf (newdest, sizeof (newdest), "%s/%s", dest, dent->d_name); +#endif + + /* If it's a directory, recurse. */ + if (S_ISDIR(st.st_mode)) + { + retval = create_homedir(pwd, newsource, newdest); + +#ifndef PATH_MAX + free(newsource); newsource = NULL; + free(newdest); newdest = NULL; +#endif + + if (retval != PAM_SUCCESS) + { + closedir(d); + goto go_out; + } + continue; + } + + /* If it's a symlink, create a new link. */ + if (S_ISLNK(st.st_mode)) + { + int pointedlen = 0; +#ifndef PATH_MAX + char *pointed = NULL; + { + int size = 100; + + while (1) { + pointed = malloc(size); + if (pointed == NULL) { + free(newsource); + free(newdest); + return PAM_BUF_ERR; + } + pointedlen = readlink(newsource, pointed, size); + if (pointedlen < 0) break; + if (pointedlen < size) break; + free(pointed); + size *= 2; + } + } + if (pointedlen < 0) + free(pointed); + else + pointed[pointedlen] = 0; +#else + char pointed[PATH_MAX]; + memset(pointed, 0, sizeof(pointed)); + + pointedlen = readlink(newsource, pointed, sizeof(pointed) - 1); +#endif + + if (pointedlen >= 0) { + if(symlink(pointed, newdest) == 0) + { + if (lchown(newdest, pwd->pw_uid, pwd->pw_gid) != 0) + { + pam_syslog(NULL, LOG_DEBUG, + "unable to change perms on link %s: %m", newdest); + closedir(d); +#ifndef PATH_MAX + free(pointed); + free(newsource); + free(newdest); +#endif + return PAM_PERM_DENIED; + } + } +#ifndef PATH_MAX + free(pointed); +#endif + } +#ifndef PATH_MAX + free(newsource); newsource = NULL; + free(newdest); newdest = NULL; +#endif + continue; + } + + /* If it's not a regular file, it's probably not a good idea to create + * the new device node, FIFO, or whatever it is. */ + if (!S_ISREG(st.st_mode)) + { +#ifndef PATH_MAX + free(newsource); newsource = NULL; + free(newdest); newdest = NULL; +#endif + continue; + } + + /* Open the source file */ + if ((srcfd = open(newsource, O_RDONLY)) < 0 || fstat(srcfd, &st) != 0) + { + pam_syslog(NULL, LOG_DEBUG, + "unable to open or stat src file %s: %m", newsource); + if (srcfd >= 0) + close(srcfd); + closedir(d); + +#ifndef PATH_MAX + free(newsource); newsource = NULL; + free(newdest); newdest = NULL; +#endif + + return PAM_PERM_DENIED; + } + + /* Open the dest file */ + if ((destfd = open(newdest, O_WRONLY | O_TRUNC | O_CREAT, 0600)) < 0) + { + pam_syslog(NULL, LOG_DEBUG, + "unable to open dest file %s: %m", newdest); + close(srcfd); + closedir(d); + +#ifndef PATH_MAX + free(newsource); newsource = NULL; + free(newdest); newdest = NULL; +#endif + return PAM_PERM_DENIED; + } + + /* Set the proper ownership and permissions for the module. We make + the file a+w and then mask it with the set mask. This preserves + execute bits */ + if (fchmod(destfd, (st.st_mode | 0222) & (~u_mask)) != 0 || + fchown(destfd, pwd->pw_uid, pwd->pw_gid) != 0) + { + pam_syslog(NULL, LOG_DEBUG, + "unable to change perms on copy %s: %m", newdest); + close(srcfd); + close(destfd); + closedir(d); + +#ifndef PATH_MAX + free(newsource); newsource = NULL; + free(newdest); newdest = NULL; +#endif + + return PAM_PERM_DENIED; + } + + /* Copy the file */ + do + { + res = pam_modutil_read(srcfd, remark, sizeof(remark)); + + if (res == 0) + continue; + + if (res > 0) { + if (pam_modutil_write(destfd, remark, res) == res) + continue; + } + + /* If we get here, pam_modutil_read returned a -1 or + pam_modutil_write returned something unexpected. */ + pam_syslog(NULL, LOG_DEBUG, "unable to perform IO: %m"); + close(srcfd); + close(destfd); + closedir(d); + +#ifndef PATH_MAX + free(newsource); newsource = NULL; + free(newdest); newdest = NULL; +#endif + + return PAM_PERM_DENIED; + } + while (res != 0); + close(srcfd); + close(destfd); + +#ifndef PATH_MAX + free(newsource); newsource = NULL; + free(newdest); newdest = NULL; +#endif + + } + closedir(d); + + retval = PAM_SUCCESS; + + go_out: + + if (chmod(dest, 0777 & (~u_mask)) != 0 || + chown(dest, pwd->pw_uid, pwd->pw_gid) != 0) + { + pam_syslog(NULL, LOG_DEBUG, + "unable to change perms on directory %s: %m", dest); + return PAM_PERM_DENIED; + } + + return retval; +} + +static int +create_homedir_helper(const struct passwd *_pwd, + const char *_skeldir, const char *_homedir) +{ + int retval = PAM_SESSION_ERR; + + retval = create_homedir(_pwd, _skeldir, _homedir); + + if (chmod(_homedir, home_mode) != 0) + { + pam_syslog(NULL, LOG_DEBUG, + "unable to change perms on home directory %s: %m", _homedir); + return PAM_PERM_DENIED; + } + + return retval; +} + +static int +make_parent_dirs(char *dir, int make) +{ + int rc = PAM_SUCCESS; + char *cp = strrchr(dir, '/'); + struct stat st; + + if (!cp) + return rc; + + if (cp != dir) { + *cp = '\0'; + if (stat(dir, &st) && errno == ENOENT) + rc = make_parent_dirs(dir, 1); + *cp = '/'; + + if (rc != PAM_SUCCESS) + return rc; + } + + if (make && mkdir(dir, 0755) && errno != EEXIST) { + pam_syslog(NULL, LOG_ERR, "unable to create directory %s: %m", dir); + return PAM_PERM_DENIED; + } + + return rc; +} + +int +main(int argc, char *argv[]) +{ + struct passwd *pwd; + struct stat st; + char *eptr; + + if (argc < 2) { + fprintf(stderr, "Usage: %s [ [ []]]\n", argv[0]); + return PAM_SESSION_ERR; + } + + pwd = getpwnam(argv[1]); + if (pwd == NULL) { + pam_syslog(NULL, LOG_ERR, "User unknown."); + return PAM_USER_UNKNOWN; + } + + if (argc >= 3) { + errno = 0; + u_mask = strtoul(argv[2], &eptr, 0); + if (errno != 0 || *eptr != '\0') { + pam_syslog(NULL, LOG_ERR, "Bogus umask value %s", argv[2]); + return PAM_SESSION_ERR; + } + } + + if (argc >= 4) { + if (strlen(argv[3]) >= sizeof(skeldir)) { + pam_syslog(NULL, LOG_ERR, "Too long skeldir path."); + return PAM_SESSION_ERR; + } + strcpy(skeldir, argv[3]); + } + + if (argc >= 5) { + errno = 0; + home_mode = strtoul(argv[4], &eptr, 0); + if (errno != 0 || *eptr != '\0') { + pam_syslog(NULL, LOG_ERR, "Bogus home_mode value %s", argv[4]); + return PAM_SESSION_ERR; + } + } + + if (home_mode == 0) + home_mode = 0777 & ~u_mask; + + /* Stat the home directory, if something exists then we assume it is + correct and return a success */ + if (stat(pwd->pw_dir, &st) == 0) + return PAM_SUCCESS; + + if (make_parent_dirs(pwd->pw_dir, 0) != PAM_SUCCESS) + return PAM_PERM_DENIED; + + return create_homedir_helper(pwd, skeldir, pwd->pw_dir); +} diff --git a/modules/pam_mkhomedir/pam_mkhomedir.8 b/modules/pam_mkhomedir/pam_mkhomedir.8 new file mode 100644 index 0000000..b8a4754 --- /dev/null +++ b/modules/pam_mkhomedir/pam_mkhomedir.8 @@ -0,0 +1,135 @@ +'\" t +.\" Title: pam_mkhomedir +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_MKHOMEDIR" "8" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_mkhomedir \- PAM module to create users home directory +.SH "SYNOPSIS" +.HP \w'\fBpam_mkhomedir\&.so\fR\ 'u +\fBpam_mkhomedir\&.so\fR [silent] [debug] [umask=\fImode\fR] [skel=\fIskeldir\fR] +.SH "DESCRIPTION" +.PP +The pam_mkhomedir PAM module will create a users home directory if it does not exist when the session begins\&. This allows users to be present in central database (such as NIS, kerberos or LDAP) without using a distributed file system or pre\-creating a large number of directories\&. The skeleton directory (usually +/etc/skel/) is used to copy default files and also sets a umask for the creation\&. +.PP +The new users home directory will not be removed after logout of the user\&. +.SH "OPTIONS" +.PP +\fBsilent\fR +.RS 4 +Don\*(Aqt print informative messages\&. +.RE +.PP +\fBdebug\fR +.RS 4 +Turns on debugging via +\fBsyslog\fR(3)\&. +.RE +.PP +\fBumask=\fR\fB\fImask\fR\fR +.RS 4 +The file mode creation mask is set to +\fImask\fR\&. The default value of mask is 0022\&. If this option is not specified, then the permissions of created user home directory is set to the value of +\fBHOME_MODE\fR +configuration item from +/etc/login\&.defs\&. If there is no such configuration item then the value is computed from the value of +\fBUMASK\fR +in the same file\&. If there is no such configuration option either the default value of 0755 is used for the mode\&. +.RE +.PP +\fBskel=\fR\fB\fI/path/to/skel/directory\fR\fR +.RS 4 +Indicate an alternative +skel +directory to override the default +/etc/skel\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +Only the +\fBsession\fR +module type is provided\&. +.SH "RETURN VALUES" +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_PERM_DENIED +.RS 4 +Not enough permissions to create the new directory or read the skel directory\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +User not known to the underlying authentication module\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Environment variables were set\&. +.RE +.SH "FILES" +.PP +/etc/skel +.RS 4 +Default skel directory +.RE +.SH "EXAMPLES" +.PP +A sample /etc/pam\&.d/login file: +.sp +.if n \{\ +.RS 4 +.\} +.nf + auth requisite pam_securetty\&.so + auth sufficient pam_ldap\&.so + auth required pam_unix\&.so + auth required pam_nologin\&.so + account sufficient pam_ldap\&.so + account required pam_unix\&.so + password required pam_unix\&.so + session required pam_mkhomedir\&.so skel=/etc/skel/ umask=0022 + session required pam_unix\&.so + session optional pam_lastlog\&.so + session optional pam_mail\&.so standard + +.fi +.if n \{\ +.RE +.\} +.sp +.SH "SEE ALSO" +.PP +\fBpam.d\fR(5), +\fBpam\fR(8)\&. +.SH "AUTHOR" +.PP +pam_mkhomedir was written by Jason Gunthorpe \&. diff --git a/modules/pam_mkhomedir/pam_mkhomedir.8.xml b/modules/pam_mkhomedir/pam_mkhomedir.8.xml new file mode 100644 index 0000000..1010906 --- /dev/null +++ b/modules/pam_mkhomedir/pam_mkhomedir.8.xml @@ -0,0 +1,219 @@ + + + + + + + pam_mkhomedir + 8 + Linux-PAM Manual + + + + pam_mkhomedir + + PAM module to create users home directory + + + + + + + + pam_mkhomedir.so + + silent + + + debug + + + umask=mode + + + skel=skeldir + + + + + + + DESCRIPTION + + The pam_mkhomedir PAM module will create a users home directory + if it does not exist when the session begins. This allows users + to be present in central database (such as NIS, kerberos or LDAP) + without using a distributed file system or pre-creating a large + number of directories. The skeleton directory (usually + /etc/skel/) is used to copy default files + and also sets a umask for the creation. + + + The new users home directory will not be removed after logout + of the user. + + + + + OPTIONS + + + + + + + + + Don't print informative messages. + + + + + + + + + + + Turns on debugging via + + syslog3 + . + + + + + + + + + + + The file mode creation mask is set to + mask. The default value of mask + is 0022. If this option is not specified, then the permissions + of created user home directory is set to the value of + configuration item from + /etc/login.defs. If there is no such + configuration item then the value is computed from the + value of in the same file. If + there is no such configuration option either the default + value of 0755 is used for the mode. + + + + + + + + + + + Indicate an alternative skel directory + to override the default /etc/skel. + + + + + + + + + MODULE TYPES PROVIDED + + Only the module type is provided. + + + + + RETURN VALUES + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_PERM_DENIED + + + Not enough permissions to create the new directory + or read the skel directory. + + + + + PAM_USER_UNKNOWN + + + User not known to the underlying authentication module. + + + + + PAM_SUCCESS + + + Environment variables were set. + + + + + + + + FILES + + + /etc/skel + + Default skel directory + + + + + + + EXAMPLES + + A sample /etc/pam.d/login file: + + auth requisite pam_securetty.so + auth sufficient pam_ldap.so + auth required pam_unix.so + auth required pam_nologin.so + account sufficient pam_ldap.so + account required pam_unix.so + password required pam_unix.so + session required pam_mkhomedir.so skel=/etc/skel/ umask=0022 + session required pam_unix.so + session optional pam_lastlog.so + session optional pam_mail.so standard + + + + + + + SEE ALSO + + + pam.d5 + , + + pam8 + . + + + + + AUTHOR + + pam_mkhomedir was written by Jason Gunthorpe <jgg@debian.org>. + + + diff --git a/modules/pam_mkhomedir/pam_mkhomedir.c b/modules/pam_mkhomedir/pam_mkhomedir.c new file mode 100644 index 0000000..48e578f --- /dev/null +++ b/modules/pam_mkhomedir/pam_mkhomedir.c @@ -0,0 +1,267 @@ +/* PAM Make Home Dir module + + This module will create a users home directory if it does not exist + when the session begins. This allows users to be present in central + database (such as nis, kerb or ldap) without using a distributed + file system or pre-creating a large number of directories. + + Here is a sample /etc/pam.d/login file for Debian GNU/Linux + 2.1: + + auth requisite pam_securetty.so + auth sufficient pam_ldap.so + auth required pam_unix.so + auth optional pam_group.so + auth optional pam_mail.so + account requisite pam_time.so + account sufficient pam_ldap.so + account required pam_unix.so + session required pam_mkhomedir.so skel=/etc/skel/ umask=0022 + session required pam_unix.so + session optional pam_lastlog.so + password required pam_unix.so + + Released under the GNU LGPL version 2 or later + Copyright (c) Red Hat, Inc. 2009 + Originally written by Jason Gunthorpe Feb 1999 + Structure taken from pam_lastlogin by Andrew Morgan + 1996 + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include "pam_cc_compat.h" +#include "pam_inline.h" + +/* argument parsing */ +#define MKHOMEDIR_DEBUG 020 /* be verbose about things */ +#define MKHOMEDIR_QUIET 040 /* keep quiet about things */ + +#define LOGIN_DEFS "/etc/login.defs" +#define UMASK_DEFAULT "0022" + +struct options_t { + int ctrl; + const char *umask; + const char *skeldir; +}; +typedef struct options_t options_t; + +static void +_pam_parse (const pam_handle_t *pamh, int flags, int argc, const char **argv, + options_t *opt) +{ + opt->ctrl = 0; + opt->umask = NULL; + opt->skeldir = "/etc/skel"; + + /* does the application require quiet? */ + if ((flags & PAM_SILENT) == PAM_SILENT) + opt->ctrl |= MKHOMEDIR_QUIET; + + /* step through arguments */ + for (; argc-- > 0; ++argv) + { + const char *str; + + if (!strcmp(*argv, "silent")) { + opt->ctrl |= MKHOMEDIR_QUIET; + } else if (!strcmp(*argv, "debug")) { + opt->ctrl |= MKHOMEDIR_DEBUG; + } else if ((str = pam_str_skip_prefix(*argv, "umask=")) != NULL) { + opt->umask = str; + } else if ((str = pam_str_skip_prefix(*argv, "skel=")) != NULL) { + opt->skeldir = str; + } else { + pam_syslog(pamh, LOG_ERR, "unknown option: %s", *argv); + } + } +} + +static char* +_pam_conv_str_umask_to_homemode(const char *umask) +{ + unsigned int m = 0; + char tmp[5]; + + m = 0777 & ~strtoul(umask, NULL, 8); + (void) snprintf(tmp, sizeof(tmp), "0%o", m); + return strdup(tmp); +} + +/* Do the actual work of creating a home dir */ +static int +create_homedir (pam_handle_t *pamh, options_t *opt, + const char *user, const char *dir) +{ + int retval, child; + struct sigaction newsa, oldsa; + char *login_umask = NULL; + char *login_homemode = NULL; + + /* Mention what is happening, if the notification fails that is OK */ + if (!(opt->ctrl & MKHOMEDIR_QUIET)) + pam_info(pamh, _("Creating directory '%s'."), dir); + + + D(("called.")); + + /* + * This code arranges that the demise of the child does not cause + * the application to receive a signal it is not expecting - which + * may kill the application or worse. + */ + memset(&newsa, '\0', sizeof(newsa)); + newsa.sa_handler = SIG_DFL; + sigaction(SIGCHLD, &newsa, &oldsa); + + if (opt->ctrl & MKHOMEDIR_DEBUG) { + pam_syslog(pamh, LOG_DEBUG, "Executing mkhomedir_helper."); + } + + /* fetch UMASK from /etc/login.defs if not in argv */ + if (opt->umask == NULL) { + login_umask = pam_modutil_search_key(pamh, LOGIN_DEFS, "UMASK"); + login_homemode = pam_modutil_search_key(pamh, LOGIN_DEFS, "HOME_MODE"); + if (login_homemode == NULL) { + if (login_umask != NULL) { + login_homemode = _pam_conv_str_umask_to_homemode(login_umask); + } else { + login_homemode = _pam_conv_str_umask_to_homemode(UMASK_DEFAULT); + } + } + } else { + login_homemode = _pam_conv_str_umask_to_homemode(opt->umask); + } + + /* fork */ + child = fork(); + if (child == 0) { + static char *envp[] = { NULL }; + const char *args[] = { NULL, NULL, NULL, NULL, NULL, NULL }; + + if (pam_modutil_sanitize_helper_fds(pamh, PAM_MODUTIL_PIPE_FD, + PAM_MODUTIL_PIPE_FD, + PAM_MODUTIL_PIPE_FD) < 0) + _exit(PAM_SYSTEM_ERR); + + /* exec the mkhomedir helper */ + args[0] = MKHOMEDIR_HELPER; + args[1] = user; + args[2] = opt->umask ? opt->umask : UMASK_DEFAULT; + args[3] = opt->skeldir; + args[4] = login_homemode; + + DIAG_PUSH_IGNORE_CAST_QUAL; + execve(MKHOMEDIR_HELPER, (char **)args, envp); + DIAG_POP_IGNORE_CAST_QUAL; + + /* should not get here: exit with error */ + D(("helper binary is not available")); + _exit(PAM_SYSTEM_ERR); + } else if (child > 0) { + int rc; + while ((rc=waitpid(child, &retval, 0)) < 0 && errno == EINTR); + if (rc < 0) { + pam_syslog(pamh, LOG_ERR, "waitpid failed: %m"); + retval = PAM_SYSTEM_ERR; + } else if (!WIFEXITED(retval)) { + pam_syslog(pamh, LOG_ERR, "mkhomedir_helper abnormal exit: %d", retval); + retval = PAM_SYSTEM_ERR; + } else { + retval = WEXITSTATUS(retval); + } + } else { + D(("fork failed")); + pam_syslog(pamh, LOG_ERR, "fork failed: %m"); + retval = PAM_SYSTEM_ERR; + } + + sigaction(SIGCHLD, &oldsa, NULL); /* restore old signal handler */ + + if (opt->ctrl & MKHOMEDIR_DEBUG) { + pam_syslog(pamh, LOG_DEBUG, "mkhomedir_helper returned %d", retval); + } + + if (retval != PAM_SUCCESS && !(opt->ctrl & MKHOMEDIR_QUIET)) { + pam_error(pamh, _("Unable to create and initialize directory '%s'."), + dir); + } + + free(login_umask); + free(login_homemode); + + D(("returning %d", retval)); + return retval; +} + +/* --- authentication management functions (only) --- */ + +int +pam_sm_open_session (pam_handle_t *pamh, int flags, int argc, + const char **argv) +{ + int retval; + options_t opt; + const void *user; + const struct passwd *pwd; + struct stat St; + + /* Parse the flag values */ + _pam_parse(pamh, flags, argc, argv, &opt); + + /* Determine the user name so we can get the home directory */ + retval = pam_get_item(pamh, PAM_USER, &user); + if (retval != PAM_SUCCESS || user == NULL || *(const char *)user == '\0') + { + pam_syslog(pamh, LOG_NOTICE, "Cannot obtain the user name."); + return PAM_USER_UNKNOWN; + } + + /* Get the password entry */ + pwd = pam_modutil_getpwnam (pamh, user); + if (pwd == NULL) + { + pam_syslog(pamh, LOG_NOTICE, "User unknown."); + D(("couldn't identify user %s", user)); + return PAM_USER_UNKNOWN; + } + + /* Stat the home directory, if something exists then we assume it is + correct and return a success*/ + if (stat(pwd->pw_dir, &St) == 0) { + if (opt.ctrl & MKHOMEDIR_DEBUG) { + pam_syslog(pamh, LOG_DEBUG, "Home directory %s already exists.", + pwd->pw_dir); + } + return PAM_SUCCESS; + } + + return create_homedir(pamh, &opt, user, pwd->pw_dir); +} + +/* Ignore */ +int pam_sm_close_session (pam_handle_t * pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_SUCCESS; +} diff --git a/modules/pam_mkhomedir/tst-pam_mkhomedir b/modules/pam_mkhomedir/tst-pam_mkhomedir new file mode 100755 index 0000000..5447883 --- /dev/null +++ b/modules/pam_mkhomedir/tst-pam_mkhomedir @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_mkhomedir.so diff --git a/modules/pam_mkhomedir/tst-pam_mkhomedir-retval.c b/modules/pam_mkhomedir/tst-pam_mkhomedir-retval.c new file mode 100644 index 0000000..451d2e5 --- /dev/null +++ b/modules/pam_mkhomedir/tst-pam_mkhomedir-retval.c @@ -0,0 +1,110 @@ +/* + * Check pam_mkhomedir return values. + * + * Copyright (c) 2020 Dmitry V. Levin + */ + +#include "test_assert.h" + +#include +#include +#include +#include +#include +#include +#include +#include + +#define MODULE_NAME "pam_mkhomedir" +#define TEST_NAME "tst-" MODULE_NAME "-retval" + +static const char service_file[] = TEST_NAME ".service"; +static const char user_empty[] = ""; +static const char user_missing[] = ":"; +static struct pam_conv conv; + +int +main(void) +{ + pam_handle_t *pamh = NULL; + FILE *fp; + struct passwd *pw; + struct stat st; + char cwd[PATH_MAX]; + + ASSERT_NE(NULL, getcwd(cwd, sizeof(cwd))); + + /* PAM_USER_UNKNOWN */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so\n" + "account required %s/.libs/%s.so\n" + "password required %s/.libs/%s.so\n" + "session required %s/.libs/%s.so\n", + cwd, MODULE_NAME, + cwd, MODULE_NAME, + cwd, MODULE_NAME, + cwd, MODULE_NAME)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, user_empty, + &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_setcred(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_acct_mgmt(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0)); + ASSERT_EQ(PAM_USER_UNKNOWN, pam_open_session(pamh, 0)); + ASSERT_EQ(PAM_PERM_DENIED, pam_close_session(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, user_missing, + &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_setcred(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_acct_mgmt(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0)); + ASSERT_EQ(PAM_USER_UNKNOWN, pam_open_session(pamh, 0)); + ASSERT_EQ(PAM_PERM_DENIED, pam_close_session(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + /* PAM_SUCCESS */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so debug\n" + "account required %s/.libs/%s.so debug\n" + "password required %s/.libs/%s.so debug\n" + "session required %s/.libs/%s.so debug\n", + cwd, MODULE_NAME, + cwd, MODULE_NAME, + cwd, MODULE_NAME, + cwd, MODULE_NAME)); + ASSERT_EQ(0, fclose(fp)); + + if ((pw = getpwuid(geteuid())) != NULL && + pw->pw_dir != NULL && + stat(pw->pw_dir, &st) == 0 && + (st.st_mode & S_IFMT) == S_IFDIR) { + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, pw->pw_name, + &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_setcred(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_acct_mgmt(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_open_session(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_close_session(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + } + + ASSERT_EQ(0, unlink(service_file)); + + return 0; +} diff --git a/modules/pam_motd/Makefile.am b/modules/pam_motd/Makefile.am new file mode 100644 index 0000000..956dad2 --- /dev/null +++ b/modules/pam_motd/Makefile.am @@ -0,0 +1,33 @@ +# +# Copyright (c) 2005, 2006, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_motd.8 +endif +XMLS = README.xml pam_motd.8.xml +dist_check_SCRIPTS = tst-pam_motd +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_motd.la +pam_motd_la_LIBADD = $(top_builddir)/libpam/libpam.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_motd/Makefile.in b/modules/pam_motd/Makefile.in new file mode 100644 index 0000000..14ab6bb --- /dev/null +++ b/modules/pam_motd/Makefile.in @@ -0,0 +1,1150 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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By default, pam_motd shows files in +the following locations: + +/etc/motd +/run/motd +/usr/lib/motd +/etc/motd.d/ +/run/motd.d/ +/usr/lib/motd.d/ + +Each message size is limited to 64KB. + +If /etc/motd does not exist, then /run/motd is shown. If /run/motd does not +exist, then /usr/lib/motd is shown. + +Similar overriding behavior applies to the directories. Files in /etc/motd.d/ +override files with the same name in /run/motd.d/ and /usr/lib/motd.d/. Files +in /run/motd.d/ override files with the same name in /usr/lib/motd.d/. + +Files in the directories listed above are displayed in lexicographic order by +name. Moreover, the files are filtered by reading them with the credentials of +the target user authenticating on the system. + +To silence a message, a symbolic link with target /dev/null may be placed in / +etc/motd.d with the same filename as the message to be silenced. Example: +Creating a symbolic link as follows silences /usr/lib/motd.d/my_motd. + +ln -s /dev/null /etc/motd.d/my_motd + +The MOTD_SHOWN=pam environment variable is set after showing the motd files, +even when all of them were silenced using symbolic links. + +OPTIONS + +motd=/path/filename + + The /path/filename file is displayed as message of the day. Multiple paths + to try can be specified as a colon-separated list. By default this option + is set to /etc/motd:/run/motd:/usr/lib/motd. + +motd_dir=/path/dirname.d + + The /path/dirname.d directory is scanned and each file contained inside of + it is displayed. Multiple directories to scan can be specified as a + colon-separated list. By default this option is set to /etc/motd.d:/run/ + motd.d:/usr/lib/motd.d. + +When no options are given, the default behavior applies for both options. +Specifying either option (or both) will disable the default behavior for both +options. + +EXAMPLES + +The suggested usage for /etc/pam.d/login is: + +session optional pam_motd.so + + +To use a motd file from a different location: + +session optional pam_motd.so motd=/elsewhere/motd + + +To use a motd file from elsewhere, along with a corresponding .d directory: + +session optional pam_motd.so motd=/elsewhere/motd motd_dir=/elsewhere/motd.d + + +AUTHOR + +pam_motd was written by Ben Collins . + +The motd_dir= option was added by Allison Karlitskaya +. + diff --git a/modules/pam_motd/README.xml b/modules/pam_motd/README.xml new file mode 100644 index 0000000..779e4d1 --- /dev/null +++ b/modules/pam_motd/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_motd.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_motd-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_motd/pam_motd.8 b/modules/pam_motd/pam_motd.8 new file mode 100644 index 0000000..a211d6e --- /dev/null +++ b/modules/pam_motd/pam_motd.8 @@ -0,0 +1,195 @@ +'\" t +.\" Title: pam_motd +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_MOTD" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_motd \- Display the motd file +.SH "SYNOPSIS" +.HP \w'\fBpam_motd\&.so\fR\ 'u +\fBpam_motd\&.so\fR [motd=\fI/path/filename\fR] [motd_dir=\fI/path/dirname\&.d\fR] +.SH "DESCRIPTION" +.PP +pam_motd is a PAM module that can be used to display arbitrary motd (message of the day) files after a successful login\&. By default, pam_motd shows files in the following locations: +.PP +.RS 4 +/etc/motd +.RE +.RS 4 +/run/motd +.RE +.RS 4 +/usr/lib/motd +.RE +.RS 4 +/etc/motd\&.d/ +.RE +.RS 4 +/run/motd\&.d/ +.RE +.RS 4 +/usr/lib/motd\&.d/ +.RE +.PP +Each message size is limited to 64KB\&. +.PP +If +/etc/motd +does not exist, then +/run/motd +is shown\&. If +/run/motd +does not exist, then +/usr/lib/motd +is shown\&. +.PP +Similar overriding behavior applies to the directories\&. Files in +/etc/motd\&.d/ +override files with the same name in +/run/motd\&.d/ +and +/usr/lib/motd\&.d/\&. Files in +/run/motd\&.d/ +override files with the same name in +/usr/lib/motd\&.d/\&. +.PP +Files in the directories listed above are displayed in lexicographic order by name\&. Moreover, the files are filtered by reading them with the credentials of the target user authenticating on the system\&. +.PP +To silence a message, a symbolic link with target +/dev/null +may be placed in +/etc/motd\&.d +with the same filename as the message to be silenced\&. Example: Creating a symbolic link as follows silences +/usr/lib/motd\&.d/my_motd\&. +.PP +\fBln \-s /dev/null /etc/motd\&.d/my_motd\fR +.PP +The +\fBMOTD_SHOWN=pam\fR +environment variable is set after showing the motd files, even when all of them were silenced using symbolic links\&. +.SH "OPTIONS" +.PP +\fBmotd=\fR\fB\fI/path/filename\fR\fR +.RS 4 +The +/path/filename +file is displayed as message of the day\&. Multiple paths to try can be specified as a colon\-separated list\&. By default this option is set to +/etc/motd:/run/motd:/usr/lib/motd\&. +.RE +.PP +\fBmotd_dir=\fR\fB\fI/path/dirname\&.d\fR\fR +.RS 4 +The +/path/dirname\&.d +directory is scanned and each file contained inside of it is displayed\&. Multiple directories to scan can be specified as a colon\-separated list\&. By default this option is set to +/etc/motd\&.d:/run/motd\&.d:/usr/lib/motd\&.d\&. +.RE +.PP +When no options are given, the default behavior applies for both options\&. Specifying either option (or both) will disable the default behavior for both options\&. +.SH "MODULE TYPES PROVIDED" +.PP +Only the +\fBsession\fR +module type is provided\&. +.SH "RETURN VALUES" +.PP +PAM_ABORT +.RS 4 +Not all relevant data or options could be obtained\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_IGNORE +.RS 4 +This is the default return value of this module\&. +.RE +.SH "EXAMPLES" +.PP +The suggested usage for +/etc/pam\&.d/login +is: +.sp +.if n \{\ +.RS 4 +.\} +.nf +session optional pam_motd\&.so + +.fi +.if n \{\ +.RE +.\} +.PP +To use a +motd +file from a different location: +.sp +.if n \{\ +.RS 4 +.\} +.nf +session optional pam_motd\&.so motd=/elsewhere/motd + +.fi +.if n \{\ +.RE +.\} +.PP +To use a +motd +file from elsewhere, along with a corresponding +\&.d +directory: +.sp +.if n \{\ +.RS 4 +.\} +.nf +session optional pam_motd\&.so motd=/elsewhere/motd motd_dir=/elsewhere/motd\&.d + +.fi +.if n \{\ +.RE +.\} +.sp +.SH "SEE ALSO" +.PP +\fBmotd\fR(5), +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_motd was written by Ben Collins \&. +.PP +The +\fBmotd_dir=\fR +option was added by Allison Karlitskaya \&. diff --git a/modules/pam_motd/pam_motd.8.xml b/modules/pam_motd/pam_motd.8.xml new file mode 100644 index 0000000..0afd4c9 --- /dev/null +++ b/modules/pam_motd/pam_motd.8.xml @@ -0,0 +1,215 @@ + + + + + + + pam_motd + 8 + Linux-PAM Manual + + + + pam_motd + Display the motd file + + + + + pam_motd.so + + motd=/path/filename + + + motd_dir=/path/dirname.d + + + + + + + DESCRIPTION + + + pam_motd is a PAM module that can be used to display + arbitrary motd (message of the day) files after a successful + login. By default, pam_motd shows files in the + following locations: + + + + /etc/motd + /run/motd + /usr/lib/motd + /etc/motd.d/ + /run/motd.d/ + /usr/lib/motd.d/ + + + + Each message size is limited to 64KB. + + + If /etc/motd does not exist, + then /run/motd is shown. If + /run/motd does not exist, then + /usr/lib/motd is shown. + + + Similar overriding behavior applies to the directories. + Files in /etc/motd.d/ override files + with the same name in /run/motd.d/ and + /usr/lib/motd.d/. Files in /run/motd.d/ + override files with the same name in /usr/lib/motd.d/. + + + Files in the directories listed above are displayed in lexicographic + order by name. Moreover, the files are filtered by reading them with the + credentials of the target user authenticating on the system. + + + To silence a message, + a symbolic link with target /dev/null + may be placed in /etc/motd.d with + the same filename as the message to be silenced. Example: + Creating a symbolic link as follows silences /usr/lib/motd.d/my_motd. + + + ln -s /dev/null /etc/motd.d/my_motd + + + The MOTD_SHOWN=pam environment variable + is set after showing the motd files, even when all of them were silenced + using symbolic links. + + + + + + OPTIONS + + + + + + + + The /path/filename file is displayed + as message of the day. Multiple paths to try can be + specified as a colon-separated list. By default this option + is set to /etc/motd:/run/motd:/usr/lib/motd. + + + + + + + + + + The /path/dirname.d directory is scanned + and each file contained inside of it is displayed. Multiple + directories to scan can be specified as a colon-separated list. + By default this option is set to /etc/motd.d:/run/motd.d:/usr/lib/motd.d. + + + + + + When no options are given, the default behavior applies for both + options. Specifying either option (or both) will disable the + default behavior for both options. + + + + + MODULE TYPES PROVIDED + + Only the module type is provided. + + + + + RETURN VALUES + + + PAM_ABORT + + + Not all relevant data or options could be obtained. + + + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_IGNORE + + + This is the default return value of this module. + + + + + + + + EXAMPLES + + The suggested usage for /etc/pam.d/login is: + +session optional pam_motd.so + + + + To use a motd file from a different location: + +session optional pam_motd.so motd=/elsewhere/motd + + + + To use a motd file from elsewhere, along with a + corresponding .d directory: + +session optional pam_motd.so motd=/elsewhere/motd motd_dir=/elsewhere/motd.d + + + + + + SEE ALSO + + + motd5 + , + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_motd was written by Ben Collins <bcollins@debian.org>. + + + The option was added by + Allison Karlitskaya <allison.karlitskaya@redhat.com>. + + + + diff --git a/modules/pam_motd/pam_motd.c b/modules/pam_motd/pam_motd.c new file mode 100644 index 0000000..6ac8cba --- /dev/null +++ b/modules/pam_motd/pam_motd.c @@ -0,0 +1,445 @@ +/* + * pam_motd module + * + * Modified for pam_motd by Ben Collins + * Written by Michael K. Johnson 1996/10/24 + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include "pam_inline.h" + +#define DEFAULT_MOTD "/etc/motd:/run/motd:/usr/lib/motd" +#define DEFAULT_MOTD_D "/etc/motd.d:/run/motd.d:/usr/lib/motd.d" + +/* --- session management functions (only) --- */ + +int +pam_sm_close_session (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_IGNORE; +} + +static const char default_motd[] = DEFAULT_MOTD; +static const char default_motd_dir[] = DEFAULT_MOTD_D; + +static void try_to_display_fd(pam_handle_t *pamh, int fd) +{ + struct stat st; + char *mtmp = NULL; + + /* fill in message buffer with contents of motd */ + if ((fstat(fd, &st) < 0) || !st.st_size || st.st_size > 0x10000) + return; + + if (!(mtmp = malloc(st.st_size+1))) + return; + + if (pam_modutil_read(fd, mtmp, st.st_size) == st.st_size) { + if (mtmp[st.st_size-1] == '\n') + mtmp[st.st_size-1] = '\0'; + else + mtmp[st.st_size] = '\0'; + + pam_info (pamh, "%s", mtmp); + } + + _pam_drop(mtmp); +} + +/* + * Split a DELIM-separated string ARG into an array. + * Outputs a newly allocated array of strings OUT_ARG_SPLIT + * and the number of strings OUT_NUM_STRS. + * Returns 0 in case of error, 1 in case of success. + */ +static int pam_split_string(const pam_handle_t *pamh, char *arg, char delim, + char ***out_arg_split, unsigned int *out_num_strs) +{ + char *arg_extracted = NULL; + const char *arg_ptr = arg; + char **arg_split = NULL; + char delim_str[2]; + unsigned int i = 0; + unsigned int num_strs = 0; + int retval = 0; + + delim_str[0] = delim; + delim_str[1] = '\0'; + + if (arg == NULL) { + goto out; + } + + while (arg_ptr != NULL) { + num_strs++; + arg_ptr = strchr(arg_ptr + sizeof(const char), delim); + } + + arg_split = calloc(num_strs, sizeof(*arg_split)); + if (arg_split == NULL) { + pam_syslog(pamh, LOG_CRIT, "failed to allocate string array"); + goto out; + } + + arg_extracted = strtok_r(arg, delim_str, &arg); + while (arg_extracted != NULL && i < num_strs) { + arg_split[i++] = arg_extracted; + arg_extracted = strtok_r(NULL, delim_str, &arg); + } + + retval = 1; + + out: + *out_num_strs = num_strs; + *out_arg_split = arg_split; + + return retval; +} + +/* Join A_STR and B_STR, inserting a "/" between them if one is not already trailing + * in A_STR or beginning B_STR. A pointer to a newly allocated string holding the + * joined string is returned in STRP_OUT. + * Returns -1 in case of error, or the number of bytes in the joined string in + * case of success. */ +static int join_dir_strings(char **strp_out, const char *a_str, const char *b_str) +{ + int has_sep = 0; + int retval = -1; + char *join_strp = NULL; + + if (strp_out == NULL || a_str == NULL || b_str == NULL) { + goto out; + } + if (strlen(a_str) == 0) { + goto out; + } + + has_sep = (a_str[strlen(a_str) - 1] == '/') || (b_str[0] == '/'); + + retval = asprintf(&join_strp, "%s%s%s", a_str, + (has_sep == 1) ? "" : "/", b_str); + + if (retval < 0) { + goto out; + } + + *strp_out = join_strp; + + out: + return retval; +} + +static int compare_strings(const void *a, const void *b) +{ + const char *a_str = *(const char * const *)a; + const char *b_str = *(const char * const *)b; + + if (a_str == NULL && b_str == NULL) { + return 0; + } + else if (a_str == NULL) { + return -1; + } + else if (b_str == NULL) { + return 1; + } + else { + return strcmp(a_str, b_str); + } +} + +static int filter_dirents(const struct dirent *d) +{ + return (d->d_type == DT_REG || d->d_type == DT_LNK); +} + +static void try_to_display_directories_with_overrides(pam_handle_t *pamh, + char **motd_dir_path_split, unsigned int num_motd_dirs, int report_missing) +{ + struct dirent ***dirscans = NULL; + unsigned int *dirscans_sizes = NULL; + unsigned int dirscans_size_total = 0; + char **dirnames_all = NULL; + unsigned int i; + int i_dirnames = 0; + + if (pamh == NULL || motd_dir_path_split == NULL) { + goto out; + } + if (num_motd_dirs < 1) { + goto out; + } + + if ((dirscans = calloc(num_motd_dirs, sizeof(*dirscans))) == NULL) { + pam_syslog(pamh, LOG_CRIT, "failed to allocate dirent arrays"); + goto out; + } + if ((dirscans_sizes = calloc(num_motd_dirs, sizeof(*dirscans_sizes))) == NULL) { + pam_syslog(pamh, LOG_CRIT, "failed to allocate dirent array sizes"); + goto out; + } + + for (i = 0; i < num_motd_dirs; i++) { + int rv; + rv = scandir(motd_dir_path_split[i], &(dirscans[i]), + filter_dirents, alphasort); + if (rv < 0) { + if (errno != ENOENT || report_missing) { + pam_syslog(pamh, LOG_ERR, "error scanning directory %s: %m", + motd_dir_path_split[i]); + } + } else { + dirscans_sizes[i] = rv; + } + dirscans_size_total += dirscans_sizes[i]; + } + + if (dirscans_size_total == 0) + goto out; + + /* Allocate space for all file names found in the directories, including duplicates. */ + if ((dirnames_all = calloc(dirscans_size_total, sizeof(*dirnames_all))) == NULL) { + pam_syslog(pamh, LOG_CRIT, "failed to allocate dirname array"); + goto out; + } + + for (i = 0; i < num_motd_dirs; i++) { + unsigned int j; + + for (j = 0; j < dirscans_sizes[i]; j++) { + dirnames_all[i_dirnames] = dirscans[i][j]->d_name; + i_dirnames++; + } + } + + qsort(dirnames_all, dirscans_size_total, + sizeof(const char *), compare_strings); + + for (i = 0; i < dirscans_size_total; i++) { + unsigned int j; + + if (dirnames_all[i] == NULL) { + continue; + } + + /* Skip duplicate file names. */ + if (i > 0 && strcmp(dirnames_all[i], dirnames_all[i - 1]) == 0) { + continue; + } + + for (j = 0; j < num_motd_dirs; j++) { + char *abs_path = NULL; + int fd; + + if (join_dir_strings(&abs_path, motd_dir_path_split[j], + dirnames_all[i]) < 0 || abs_path == NULL) { + continue; + } + + fd = open(abs_path, O_RDONLY, 0); + _pam_drop(abs_path); + + if (fd >= 0) { + try_to_display_fd(pamh, fd); + close(fd); + + /* We displayed a file, skip to the next file name. */ + break; + } + } + } + + out: + _pam_drop(dirnames_all); + if (dirscans_sizes != NULL) { + for (i = 0; i < num_motd_dirs; i++) { + unsigned int j; + + for (j = 0; j < dirscans_sizes[i]; j++) + _pam_drop(dirscans[i][j]); + _pam_drop(dirscans[i]); + } + _pam_drop(dirscans_sizes); + } + _pam_drop(dirscans); +} + +static int drop_privileges(pam_handle_t *pamh, struct pam_modutil_privs *privs) +{ + struct passwd *pw; + const char *username; + int retval; + + retval = pam_get_user(pamh, &username, NULL); + + if (retval == PAM_SUCCESS) { + pw = pam_modutil_getpwnam (pamh, username); + } else { + return PAM_SESSION_ERR; + } + + if (pw == NULL || pam_modutil_drop_priv(pamh, privs, pw)) { + return PAM_SESSION_ERR; + } + + return PAM_SUCCESS; +} + +static int try_to_display(pam_handle_t *pamh, char **motd_path_split, + unsigned int num_motd_paths, + char **motd_dir_path_split, + unsigned int num_motd_dir_paths, int report_missing) +{ + PAM_MODUTIL_DEF_PRIVS(privs); + + if (drop_privileges(pamh, &privs) != PAM_SUCCESS) { + pam_syslog(pamh, LOG_ERR, "Unable to drop privileges"); + return PAM_SESSION_ERR; + } + + if (motd_path_split != NULL) { + unsigned int i; + + for (i = 0; i < num_motd_paths; i++) { + int fd = open(motd_path_split[i], O_RDONLY, 0); + + if (fd >= 0) { + try_to_display_fd(pamh, fd); + close(fd); + + /* We found and displayed a file, + * move onto next filename. + */ + break; + } + } + } + + if (motd_dir_path_split != NULL) { + try_to_display_directories_with_overrides(pamh, + motd_dir_path_split, + num_motd_dir_paths, + report_missing); + } + + if (pam_modutil_regain_priv(pamh, &privs)) { + pam_syslog(pamh, LOG_ERR, "Unable to regain privileges"); + return PAM_SESSION_ERR; + } + + return PAM_SUCCESS; +} + +int pam_sm_open_session(pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + int retval = PAM_IGNORE; + const char *motd_path = NULL; + char *motd_path_copy = NULL; + unsigned int num_motd_paths = 0; + char **motd_path_split = NULL; + const char *motd_dir_path = NULL; + char *motd_dir_path_copy = NULL; + unsigned int num_motd_dir_paths = 0; + char **motd_dir_path_split = NULL; + int report_missing; + + if (flags & PAM_SILENT) { + return retval; + } + + for (; argc-- > 0; ++argv) { + const char *str; + if ((str = pam_str_skip_prefix(*argv, "motd=")) != NULL) { + + motd_path = str; + if (*motd_path != '\0') { + D(("set motd path: %s", motd_path)); + } else { + motd_path = NULL; + pam_syslog(pamh, LOG_ERR, + "motd= specification missing argument - ignored"); + } + } + else if ((str = pam_str_skip_prefix(*argv, "motd_dir=")) != NULL) { + + motd_dir_path = str; + if (*motd_dir_path != '\0') { + D(("set motd.d path: %s", motd_dir_path)); + } else { + motd_dir_path = NULL; + pam_syslog(pamh, LOG_ERR, + "motd_dir= specification missing argument - ignored"); + } + } + else + pam_syslog(pamh, LOG_ERR, "unknown option: %s", *argv); + } + + if (motd_path == NULL && motd_dir_path == NULL) { + motd_path = default_motd; + motd_dir_path = default_motd_dir; + report_missing = 0; + } else { + report_missing = 1; + } + + if (motd_path != NULL) { + motd_path_copy = strdup(motd_path); + } + + if (motd_path_copy != NULL) { + if (pam_split_string(pamh, motd_path_copy, ':', + &motd_path_split, &num_motd_paths) == 0) { + goto out; + } + } + + if (motd_dir_path != NULL) { + motd_dir_path_copy = strdup(motd_dir_path); + } + + if (motd_dir_path_copy != NULL) { + if (pam_split_string(pamh, motd_dir_path_copy, ':', + &motd_dir_path_split, &num_motd_dir_paths) == 0) { + goto out; + } + } + + retval = try_to_display(pamh, motd_path_split, num_motd_paths, + motd_dir_path_split, num_motd_dir_paths, + report_missing); + + out: + _pam_drop(motd_path_copy); + _pam_drop(motd_path_split); + _pam_drop(motd_dir_path_copy); + _pam_drop(motd_dir_path_split); + + if (retval == PAM_SUCCESS) { + retval = pam_putenv(pamh, "MOTD_SHOWN=pam"); + return retval == PAM_SUCCESS ? PAM_IGNORE : retval; + } else { + return retval; + } +} + +/* end of module definition */ diff --git a/modules/pam_motd/tst-pam_motd b/modules/pam_motd/tst-pam_motd new file mode 100755 index 0000000..155e230 --- /dev/null +++ b/modules/pam_motd/tst-pam_motd @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_motd.so diff --git a/modules/pam_namespace/Makefile.am b/modules/pam_namespace/Makefile.am new file mode 100644 index 0000000..47cc38e --- /dev/null +++ b/modules/pam_namespace/Makefile.am @@ -0,0 +1,48 @@ +# +# Copyright (c) 2009 Thorsten Kukuk +# Copyright (c) 2006 Red Hat, Inc. +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = namespace.conf.5 pam_namespace.8 pam_namespace_helper.8 +endif +XMLS = README.xml namespace.conf.5.xml pam_namespace.8.xml pam_namespace_helper.8.xml +dist_check_SCRIPTS = tst-pam_namespace +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) +namespaceddir = $(SCONFIGDIR)/namespace.d +servicedir = $(systemdunitdir) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + -DSECURECONF_DIR=\"$(SCONFIGDIR)/\" $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +noinst_HEADERS = md5.h pam_namespace.h argv_parse.h + +securelib_LTLIBRARIES = pam_namespace.la +pam_namespace_la_SOURCES = pam_namespace.c md5.c argv_parse.c +pam_namespace_la_LIBADD = $(top_builddir)/libpam/libpam.la @LIBSELINUX@ + +dist_secureconf_DATA = namespace.conf +dist_secureconf_SCRIPTS = namespace.init +service_DATA = pam_namespace.service + +install-data-local: + mkdir -p $(DESTDIR)$(namespaceddir) + +sbin_SCRIPTS = pam_namespace_helper + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_namespace/Makefile.in b/modules/pam_namespace/Makefile.in new file mode 100644 index 0000000..e21c836 --- /dev/null +++ b/modules/pam_namespace/Makefile.in @@ -0,0 +1,1348 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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A polyinstantiated directory provides a different +instance of itself based on user name, or when using SELinux, user name, +security context or both. If an executable script /etc/security/namespace.init +exists, it is used to initialize the instance directory after it is set up and +mounted on the polyinstantiated directory. The script receives the +polyinstantiated directory path, the instance directory path, flag whether the +instance directory was newly created (0 for no, 1 for yes), and the user name +as its arguments. + +The pam_namespace module disassociates the session namespace from the parent +namespace. Any mounts/unmounts performed in the parent namespace, such as +mounting of devices, are not reflected in the session namespace. To propagate +selected mount/unmount events from the parent namespace into the disassociated +session namespace, an administrator may use the special shared-subtree feature. +For additional information on shared-subtree feature, please refer to the mount +(8) man page and the shared-subtree description at http://lwn.net/Articles/ +159077 and http://lwn.net/Articles/159092. + +OPTIONS + +debug + + A lot of debug information is logged using syslog + +unmnt_remnt + + For programs such as su and newrole, the login session has already setup a + polyinstantiated namespace. For these programs, polyinstantiation is + performed based on new user id or security context, however the command + first needs to undo the polyinstantiation performed by login. This argument + instructs the command to first undo previous polyinstantiation before + proceeding with new polyinstantiation based on new id/context + +unmnt_only + + For trusted programs that want to undo any existing bind mounts and process + instance directories on their own, this argument allows them to unmount + currently mounted instance directories + +require_selinux + + If selinux is not enabled, return failure + +gen_hash + + Instead of using the security context string for the instance name, + generate and use its md5 hash. + +ignore_config_error + + If a line in the configuration file corresponding to a polyinstantiated + directory contains format error, skip that line process the next line. + Without this option, pam will return an error to the calling program + resulting in termination of the session. + +ignore_instance_parent_mode + + Instance parent directories by default are expected to have the restrictive + mode of 000. Using this option, an administrator can choose to ignore the + mode of the instance parent. This option should be used with caution as it + will reduce security and isolation goals of the polyinstantiation + mechanism. + +unmount_on_close + + Explicitly unmount the polyinstantiated directories instead of relying on + automatic namespace destruction after the last process in a namespace + exits. This option should be used only in case it is ensured by other means + that there cannot be any processes running in the private namespace left + after the session close. It is also useful only in case there are multiple + pam session calls in sequence from the same process. + +use_current_context + + Useful for services which do not change the SELinux context with setexeccon + call. The module will use the current SELinux context of the calling + process for the level and context polyinstantiation. + +use_default_context + + Useful for services which do not use pam_selinux for changing the SELinux + context with setexeccon call. The module will use the default SELinux + context of the user for the level and context polyinstantiation. + +mount_private + + This option can be used on systems where the / mount point or its submounts + are made shared (for example with a mount --make-rshared / command). The + module will mark the whole directory tree so any mount and unmount + operations in the polyinstantiation namespace are private. Normally the + pam_namespace will try to detect the shared / mount point and make the + polyinstantiated directories private automatically. This option has to be + used just when only a subtree is shared and / is not. + + Note that mounts and unmounts done in the private namespace will not affect + the parent namespace if this option is used or when the shared / mount + point is autodetected. + +DESCRIPTION + +The pam_namespace.so module allows setup of private namespaces with +polyinstantiated directories. Directories can be polyinstantiated based on user +name or, in the case of SELinux, user name, sensitivity level or complete +security context. If an executable script /etc/security/namespace.init exists, +it is used to initialize the namespace every time an instance directory is set +up and mounted. The script receives the polyinstantiated directory path and the +instance directory path as its arguments. + +The /etc/security/namespace.conf file specifies which directories are +polyinstantiated, how they are polyinstantiated, how instance directories would +be named, and any users for whom polyinstantiation would not be performed. + +When someone logs in, the file namespace.conf is scanned. Comments are marked +by # characters. Each non comment line represents one polyinstantiated +directory. The fields are separated by spaces but can be quoted by " characters +also escape sequences \b, \n, and \t are recognized. The fields are as follows: + +polydir instance_prefix method list_of_uids + +The first field, polydir, is the absolute pathname of the directory to +polyinstantiate. The special string $HOME is replaced with the user's home +directory, and $USER with the username. This field cannot be blank. + +The second field, instance_prefix is the string prefix used to build the +pathname for the instantiation of . Depending on the polyinstantiation +method it is then appended with "instance differentiation string" to generate +the final instance directory path. This directory is created if it did not +exist already, and is then bind mounted on the to provide an instance +of based on the column. The special string $HOME is replaced +with the user's home directory, and $USER with the username. This field cannot +be blank. + +The third field, method, is the method used for polyinstantiation. It can take +these values; "user" for polyinstantiation based on user name, "level" for +polyinstantiation based on process MLS level and user name, "context" for +polyinstantiation based on process security context and user name, "tmpfs" for +mounting tmpfs filesystem as an instance dir, and "tmpdir" for creating +temporary directory as an instance dir which is removed when the user's session +is closed. Methods "context" and "level" are only available with SELinux. This +field cannot be blank. + +The fourth field, list_of_uids, is a comma separated list of user names for +whom the polyinstantiation is not performed. If left blank, polyinstantiation +will be performed for all users. If the list is preceded with a single "~" +character, polyinstantiation is performed only for users in the list. + +The method field can contain also following optional flags separated by : +characters. + +create=mode,owner,group - create the polyinstantiated directory. The mode, +owner and group parameters are optional. The default for mode is determined by +umask, the default owner is the user whose session is opened, the default group +is the primary group of the user. + +iscript=path - path to the instance directory init script. The base directory +for relative paths is /etc/security/namespace.d. + +noinit - instance directory init script will not be executed. + +shared - the instance directories for "context" and "level" methods will not +contain the user name and will be shared among all users. + +mntopts=value - value of this flag is passed to the mount call when the tmpfs +mount is done. It allows for example the specification of the maximum size of +the tmpfs instance that is created by the mount call. In addition to options +specified in the tmpfs(5) manual the nosuid, noexec, and nodev flags can be +used to respectively disable setuid bit effect, disable running executables, +and disable devices to be interpreted on the mounted tmpfs filesystem. + +The directory where polyinstantiated instances are to be created, must exist +and must have, by default, the mode of 0000. The requirement that the instance +parent be of mode 0000 can be overridden with the command line option +ignore_instance_parent_mode + +In case of context or level polyinstantiation the SELinux context which is used +for polyinstantiation is the context used for executing a new process as +obtained by getexeccon. This context must be set by the calling application or +pam_selinux.so module. If this context is not set the polyinstatiation will be +based just on user name. + +The "instance differentiation string" is for "user" method and +_ for "context" and "level" methods. If the +whole string is too long the end of it is replaced with md5sum of itself. Also +when command line option gen_hash is used the whole string is replaced with +md5sum of itself. + +EXAMPLES + +These are some example lines which might be specified in /etc/security/ +namespace.conf. + + +      # The following three lines will polyinstantiate /tmp, +      # /var/tmp and user's home directories. /tmp and /var/tmp +      # will be polyinstantiated based on the security level +      # as well as user name, whereas home directory will be +      # polyinstantiated based on the full security context and user name. +      # Polyinstantiation will not be performed for user root +      # and adm for directories /tmp and /var/tmp, whereas home +      # directories will be polyinstantiated for all users. +      # +      # Note that instance directories do not have to reside inside +      # the polyinstantiated directory. In the examples below, +      # instances of /tmp will be created in /tmp-inst directory, +      # where as instances of /var/tmp and users home directories +      # will reside within the directories that are being +      # polyinstantiated. +      # +      /tmp     /tmp-inst/               level      root,adm +      /var/tmp /var/tmp/tmp-inst/    level      root,adm +      $HOME    $HOME/$USER.inst/inst- context +     + +For the s you need polyinstantiation (login for example) put the +following line in /etc/pam.d/ as the last line for session group: + +session required pam_namespace.so [arguments] + +This module also depends on pam_selinux.so setting the context. + diff --git a/modules/pam_namespace/README.xml b/modules/pam_namespace/README.xml new file mode 100644 index 0000000..4ef99c9 --- /dev/null +++ b/modules/pam_namespace/README.xml @@ -0,0 +1,44 @@ + + +--> + +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_namespace.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_namespace-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_namespace/argv_parse.c b/modules/pam_namespace/argv_parse.c new file mode 100644 index 0000000..4051054 --- /dev/null +++ b/modules/pam_namespace/argv_parse.c @@ -0,0 +1,172 @@ +/* + * argv_parse.c --- utility function for parsing a string into a + * argc, argv array. + * + * This file defines a function argv_parse() which parsing a + * passed-in string, handling double quotes and backslashes, and + * creates an allocated argv vector which can be freed using the + * argv_free() function. + * + * See argv_parse.h for the formal definition of the functions. + * + * Copyright 1999 by Theodore Ts'o. + * + * Permission to use, copy, modify, and distribute this software for + * any purpose with or without fee is hereby granted, provided that + * the above copyright notice and this permission notice appear in all + * copies. THE SOFTWARE IS PROVIDED "AS IS" AND THEODORE TS'O (THE + * AUTHOR) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. (Isn't + * it sick that the U.S. culture of lawsuit-happy lawyers requires + * this kind of disclaimer?) + * + * Version 1.1, modified 2/27/1999 + */ + +#include +#include +#include +#include "argv_parse.h" + +#define STATE_WHITESPACE 1 +#define STATE_TOKEN 2 +#define STATE_QUOTED 3 + +/* + * Returns 0 on success, -1 on failure. + */ +int argv_parse(const char *in_buf, int *ret_argc, char ***ret_argv) +{ + int argc = 0, max_argc = 0; + char **argv, **new_argv, *buf, ch; + const char *cp = NULL; + char *outcp = NULL; + int state = STATE_WHITESPACE; + + buf = malloc(strlen(in_buf)+1); + if (!buf) + return -1; + + argv = NULL; + outcp = buf; + for (cp = in_buf; (ch = *cp); cp++) { + if (state == STATE_WHITESPACE) { + if (isspace((int) ch)) + continue; + /* Not whitespace, so start a new token */ + state = STATE_TOKEN; + if (argc >= max_argc) { + max_argc += 3; + new_argv = realloc(argv, + (max_argc+1)*sizeof(char *)); + if (!new_argv) { + if (argv) free(argv); + free(buf); + return -1; + } + argv = new_argv; + } + argv[argc++] = outcp; + } + if (state == STATE_QUOTED) { + if (ch == '"') + state = STATE_TOKEN; + else + *outcp++ = ch; + continue; + } + /* Must be processing characters in a word */ + if (isspace((int) ch)) { + /* + * Terminate the current word and start + * looking for the beginning of the next word. + */ + *outcp++ = 0; + state = STATE_WHITESPACE; + continue; + } + if (ch == '"') { + state = STATE_QUOTED; + continue; + } + if (ch == '\\') { + ch = *++cp; + switch (ch) { + case '\0': + ch = '\\'; cp--; break; + case 'n': + ch = '\n'; break; + case 't': + ch = '\t'; break; + case 'b': + ch = '\b'; break; + } + } + *outcp++ = ch; + } + if (state != STATE_WHITESPACE) + *outcp++ = '\0'; + if (ret_argv) { + if (argv == NULL) { + free(buf); + if ((argv=malloc(sizeof(char *))) == NULL) + return -1; + } + argv[argc] = NULL; + *ret_argv = argv; + } else { + free(buf); + free(argv); + } + if (ret_argc) + *ret_argc = argc; + return 0; +} + +void argv_free(char **argv) +{ + if (argv) { + if (*argv) + free(*argv); + free(argv); + } +} + +#ifdef DEBUG_ARGV_PARSE +/* + * For debugging + */ + +#include + +int main(int argc, char **argv) +{ + int ac, ret; + char **av, **cpp; + char buf[256]; + + while (!feof(stdin)) { + if (fgets(buf, sizeof(buf), stdin) == NULL) + break; + ret = argv_parse(buf, &ac, &av); + if (ret != 0) { + printf("Argv_parse returned %d!\n", ret); + continue; + } + printf("Argv_parse returned %d arguments...\n", ac); + for (cpp = av; *cpp; cpp++) { + if (cpp != av) + printf(", "); + printf("'%s'", *cpp); + } + printf("\n"); + argv_free(av); + } + exit(0); +} +#endif diff --git a/modules/pam_namespace/argv_parse.h b/modules/pam_namespace/argv_parse.h new file mode 100644 index 0000000..c7878fc --- /dev/null +++ b/modules/pam_namespace/argv_parse.h @@ -0,0 +1,43 @@ +/* + * argv_parse.h --- header file for the argv parser. + * + * This file defines the interface for the functions argv_parse() and + * argv_free(). + * + *********************************************************************** + * int argv_parse(char *in_buf, int *ret_argc, char ***ret_argv) + * + * This function takes as its first argument a string which it will + * parse into an argv argument vector, with each white-space separated + * word placed into its own slot in the argv. This function handles + * double quotes and backslashes so that the parsed words can contain + * special characters. The count of the number words found in the + * parsed string, as well as the argument vector, are returned into + * ret_argc and ret_argv, respectively. + *********************************************************************** + * extern void argv_free(char **argv); + * + * This function frees the argument vector created by argv_parse(). + *********************************************************************** + * + * Copyright 1999 by Theodore Ts'o. + * + * Permission to use, copy, modify, and distribute this software for + * any purpose with or without fee is hereby granted, provided that + * the above copyright notice and this permission notice appear in all + * copies. THE SOFTWARE IS PROVIDED "AS IS" AND THEODORE TS'O (THE + * AUTHOR) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. (Isn't + * it sick that the U.S. culture of lawsuit-happy lawyers requires + * this kind of disclaimer?) + * + * Version 1.1, modified 2/27/1999 + */ + +extern int argv_parse(const char *in_buf, int *ret_argc, char ***ret_argv); +extern void argv_free(char **argv); diff --git a/modules/pam_namespace/md5.c b/modules/pam_namespace/md5.c new file mode 100644 index 0000000..22e41ee --- /dev/null +++ b/modules/pam_namespace/md5.c @@ -0,0 +1,261 @@ +/* + * $Id$ + * + * This code implements the MD5 message-digest algorithm. + * The algorithm is due to Ron Rivest. This code was + * written by Colin Plumb in 1993, no copyright is claimed. + * This code is in the public domain; do with it what you wish. + * + * Equivalent code is available from RSA Data Security, Inc. + * This code has been tested against that, and is equivalent, + * except that you don't need to include two pages of legalese + * with every copy. + * + * To compute the message digest of a chunk of bytes, declare an + * MD5Context structure, pass it to MD5Init, call MD5Update as + * needed on buffers full of bytes, and then call MD5Final, which + * will fill a supplied 16-byte array with the digest. + * + */ + +#include "md5.h" +#include + +#define MD5Name(x) x + +#ifdef WORDS_BIGENDIAN +typedef unsigned char PAM_ATTRIBUTE_ALIGNED(4) uint8_aligned; + +static void byteReverse(uint8_aligned *buf, unsigned longs); + +/* + * Note: this code is harmless on little-endian machines. + */ +static void byteReverse(uint8_aligned *buf, unsigned longs) +{ + uint32 t; + do { + t = (uint32) ((unsigned) buf[3] << 8 | buf[2]) << 16 | + ((unsigned) buf[1] << 8 | buf[0]); + *(uint32 *) buf = t; + buf += 4; + } while (--longs); +} +#else +#define byteReverse(buf, len) /* Nothing */ +#endif + +/* + * Start MD5 accumulation. Set bit count to 0 and buffer to mysterious + * initialization constants. + */ +void MD5Name(MD5Init)(struct MD5Context *ctx) +{ + ctx->buf.i[0] = 0x67452301U; + ctx->buf.i[1] = 0xefcdab89U; + ctx->buf.i[2] = 0x98badcfeU; + ctx->buf.i[3] = 0x10325476U; + + ctx->bits[0] = 0; + ctx->bits[1] = 0; +} + +/* + * Update context to reflect the concatenation of another buffer full + * of bytes. + */ +void MD5Name(MD5Update)(struct MD5Context *ctx, unsigned const char *buf, unsigned len) +{ + uint32 t; + + /* Update bitcount */ + + t = ctx->bits[0]; + if ((ctx->bits[0] = t + ((uint32) len << 3)) < t) + ctx->bits[1]++; /* Carry from low to high */ + ctx->bits[1] += len >> 29; + + t = (t >> 3) & 0x3f; /* Bytes already in shsInfo->data */ + + /* Handle any leading odd-sized chunks */ + + if (t) { + unsigned char *p = ctx->in.c + t; + + t = 64 - t; + if (len < t) { + memcpy(p, buf, len); + return; + } + memcpy(p, buf, t); + byteReverse(ctx->in.c, 16); + MD5Name(MD5Transform)(ctx->buf.i, ctx->in.i); + buf += t; + len -= t; + } + /* Process data in 64-byte chunks */ + + while (len >= 64) { + memcpy(ctx->in.c, buf, 64); + byteReverse(ctx->in.c, 16); + MD5Name(MD5Transform)(ctx->buf.i, ctx->in.i); + buf += 64; + len -= 64; + } + + /* Handle any remaining bytes of data. */ + + memcpy(ctx->in.c, buf, len); +} + +/* + * Final wrapup - pad to 64-byte boundary with the bit pattern + * 1 0* (64-bit count of bits processed, MSB-first) + */ +void MD5Name(MD5Final)(unsigned char digest[16], struct MD5Context *ctx) +{ + unsigned count; + unsigned char *p; + + /* Compute number of bytes mod 64 */ + count = (ctx->bits[0] >> 3) & 0x3F; + + /* Set the first char of padding to 0x80. This is safe since there is + always at least one byte free */ + p = ctx->in.c + count; + *p++ = 0x80; + + /* Bytes of padding needed to make 64 bytes */ + count = 64 - 1 - count; + + /* Pad out to 56 mod 64 */ + if (count < 8) { + /* Two lots of padding: Pad the first block to 64 bytes */ + memset(p, 0, count); + byteReverse(ctx->in.c, 16); + MD5Name(MD5Transform)(ctx->buf.i, ctx->in.i); + + /* Now fill the next block with 56 bytes */ + memset(ctx->in.c, 0, 56); + } else { + /* Pad block to 56 bytes */ + memset(p, 0, count - 8); + } + byteReverse(ctx->in.c, 14); + + /* Append length in bits and transform */ + memcpy(ctx->in.i + 14, ctx->bits, 2*sizeof(uint32)); + + MD5Name(MD5Transform)(ctx->buf.i, ctx->in.i); + byteReverse(ctx->buf.c, 4); + memcpy(digest, ctx->buf.c, 16); + memset(ctx, 0, sizeof(*ctx)); /* In case it's sensitive */ +} + +/* The four core functions - F1 is optimized somewhat */ + +/* #define F1(x, y, z) (x & y | ~x & z) */ +#define F1(x, y, z) (z ^ (x & (y ^ z))) +#define F2(x, y, z) F1(z, x, y) +#define F3(x, y, z) (x ^ y ^ z) +#define F4(x, y, z) (y ^ (x | ~z)) + +/* This is the central step in the MD5 algorithm. */ +#define MD5STEP(f, w, x, y, z, data, s) \ + ( w += f(x, y, z) + data, w = w<>(32-s), w += x ) + +/* + * The core of the MD5 algorithm, this alters an existing MD5 hash to + * reflect the addition of 16 longwords of new data. MD5Update blocks + * the data and converts bytes into longwords for this routine. + */ +void MD5Name(MD5Transform)(uint32 buf[4], uint32 const in[16]) +{ + register uint32 a, b, c, d; + + a = buf[0]; + b = buf[1]; + c = buf[2]; + d = buf[3]; + + MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478U, 7); + MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756U, 12); + MD5STEP(F1, c, d, a, b, in[2] + 0x242070dbU, 17); + MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceeeU, 22); + MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0fafU, 7); + MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62aU, 12); + MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613U, 17); + MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501U, 22); + MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8U, 7); + MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7afU, 12); + MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1U, 17); + MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7beU, 22); + MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122U, 7); + MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193U, 12); + MD5STEP(F1, c, d, a, b, in[14] + 0xa679438eU, 17); + MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821U, 22); + + MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562U, 5); + MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340U, 9); + MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51U, 14); + MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aaU, 20); + MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105dU, 5); + MD5STEP(F2, d, a, b, c, in[10] + 0x02441453U, 9); + MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681U, 14); + MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8U, 20); + MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6U, 5); + MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6U, 9); + MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87U, 14); + MD5STEP(F2, b, c, d, a, in[8] + 0x455a14edU, 20); + MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905U, 5); + MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8U, 9); + MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9U, 14); + MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8aU, 20); + + MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942U, 4); + MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681U, 11); + MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122U, 16); + MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380cU, 23); + MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44U, 4); + MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9U, 11); + MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60U, 16); + MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70U, 23); + MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6U, 4); + MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127faU, 11); + MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085U, 16); + MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05U, 23); + MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039U, 4); + MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5U, 11); + MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8U, 16); + MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665U, 23); + + MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244U, 6); + MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97U, 10); + MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7U, 15); + MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039U, 21); + MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3U, 6); + MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92U, 10); + MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47dU, 15); + MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1U, 21); + MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4fU, 6); + MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0U, 10); + MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314U, 15); + MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1U, 21); + MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82U, 6); + MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235U, 10); + MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bbU, 15); + MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391U, 21); + + buf[0] += a; + buf[1] += b; + buf[2] += c; + buf[3] += d; +} + +void MD5Name(MD5)(unsigned const char *buf, unsigned len, unsigned char digest[16]) +{ + struct MD5Context ctx; + MD5Name(MD5Init)(&ctx); + MD5Name(MD5Update)(&ctx, buf, len); + MD5Name(MD5Final)(digest, &ctx); +} diff --git a/modules/pam_namespace/md5.h b/modules/pam_namespace/md5.h new file mode 100644 index 0000000..501aab4 --- /dev/null +++ b/modules/pam_namespace/md5.h @@ -0,0 +1,36 @@ + +#ifndef MD5_H +#define MD5_H + +#include "pam_cc_compat.h" + +typedef unsigned int uint32; + +struct MD5Context { + union { + uint32 i[4]; + unsigned char c[16] PAM_ATTRIBUTE_ALIGNED(4); + } buf; + uint32 bits[2]; + union { + uint32 i[16]; + unsigned char c[64] PAM_ATTRIBUTE_ALIGNED(4); + } in; +}; + +#define MD5_DIGEST_LENGTH 16 + +void MD5Init(struct MD5Context *); +void MD5Update(struct MD5Context *, unsigned const char *, unsigned); +void MD5Final(unsigned char digest[MD5_DIGEST_LENGTH], struct MD5Context *); +void MD5Transform(uint32 buf[4], uint32 const in[MD5_DIGEST_LENGTH]); +void MD5(unsigned const char *, unsigned, unsigned char digest[MD5_DIGEST_LENGTH]); + + +/* + * This is needed to make RSAREF happy on some MS-DOS compilers. + */ + +typedef struct MD5Context MD5_CTX; + +#endif /* MD5_H */ diff --git a/modules/pam_namespace/namespace.conf b/modules/pam_namespace/namespace.conf new file mode 100644 index 0000000..75ec619 --- /dev/null +++ b/modules/pam_namespace/namespace.conf @@ -0,0 +1,31 @@ +# /etc/security/namespace.conf +# +# See /usr/share/doc/pam-*/txts/README.pam_namespace for more information. +# +# Uncommenting the following three lines will polyinstantiate +# /tmp, /var/tmp and user's home directories. /tmp and /var/tmp will +# be polyinstantiated based on the MLS level part of the security context as well as user +# name, Polyinstantion will not be performed for user root and adm for directories +# /tmp and /var/tmp, whereas home directories will be polyinstantiated for all users. +# The user name and context is appended to the instance prefix. +# +# Note that instance directories do not have to reside inside the +# polyinstantiated directory. In the examples below, instances of /tmp +# will be created in /tmp-inst directory, where as instances of /var/tmp +# and users home directories will reside within the directories that +# are being polyinstantiated. +# +# Instance parent directories must exist for the polyinstantiation +# mechanism to work. By default, they should be created with the mode +# of 000. pam_namespace module will enforce this mode unless it +# is explicitly called with an argument to ignore the mode of the +# instance parent. System administrators should use this argument with +# caution, as it will reduce security and isolation achieved by +# polyinstantiation. The parent directories (except $HOME) are created +# at boot by pam_namespace_helper, but in a live system, system +# administrators should create the parent directories before enabling +# them here. +# +#/tmp /tmp-inst/ level root,adm +#/var/tmp /var/tmp/tmp-inst/ level root,adm +#$HOME $HOME/$USER.inst/ level diff --git a/modules/pam_namespace/namespace.conf.5 b/modules/pam_namespace/namespace.conf.5 new file mode 100644 index 0000000..ff122cb --- /dev/null +++ b/modules/pam_namespace/namespace.conf.5 @@ -0,0 +1,168 @@ +'\" t +.\" Title: namespace.conf +.\" Author: [see the "AUTHORS" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "NAMESPACE\&.CONF" "5" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +namespace.conf \- the namespace configuration file +.SH "DESCRIPTION" +.PP +The +\fIpam_namespace\&.so\fR +module allows setup of private namespaces with polyinstantiated directories\&. Directories can be polyinstantiated based on user name or, in the case of SELinux, user name, sensitivity level or complete security context\&. If an executable script +/etc/security/namespace\&.init +exists, it is used to initialize the namespace every time an instance directory is set up and mounted\&. The script receives the polyinstantiated directory path and the instance directory path as its arguments\&. +.PP +The +/etc/security/namespace\&.conf +file specifies which directories are polyinstantiated, how they are polyinstantiated, how instance directories would be named, and any users for whom polyinstantiation would not be performed\&. +.PP +When someone logs in, the file +namespace\&.conf +is scanned\&. Comments are marked by +\fI#\fR +characters\&. Each non comment line represents one polyinstantiated directory\&. The fields are separated by spaces but can be quoted by +\fI"\fR +characters also escape sequences +\fI\eb\fR, +\fI\en\fR, and +\fI\et\fR +are recognized\&. The fields are as follows: +.PP +\fIpolydir\fR +\fIinstance_prefix\fR +\fImethod\fR +\fIlist_of_uids\fR +.PP +The first field, +\fIpolydir\fR, is the absolute pathname of the directory to polyinstantiate\&. The special string +\fI$HOME\fR +is replaced with the user\*(Aqs home directory, and +\fI$USER\fR +with the username\&. This field cannot be blank\&. +.PP +The second field, +\fIinstance_prefix\fR +is the string prefix used to build the pathname for the instantiation of \&. Depending on the polyinstantiation +\fImethod\fR +it is then appended with "instance differentiation string" to generate the final instance directory path\&. This directory is created if it did not exist already, and is then bind mounted on the to provide an instance of based on the column\&. The special string +\fI$HOME\fR +is replaced with the user\*(Aqs home directory, and +\fI$USER\fR +with the username\&. This field cannot be blank\&. +.PP +The third field, +\fImethod\fR, is the method used for polyinstantiation\&. It can take these values; "user" for polyinstantiation based on user name, "level" for polyinstantiation based on process MLS level and user name, "context" for polyinstantiation based on process security context and user name, "tmpfs" for mounting tmpfs filesystem as an instance dir, and "tmpdir" for creating temporary directory as an instance dir which is removed when the user\*(Aqs session is closed\&. Methods "context" and "level" are only available with SELinux\&. This field cannot be blank\&. +.PP +The fourth field, +\fIlist_of_uids\fR, is a comma separated list of user names for whom the polyinstantiation is not performed\&. If left blank, polyinstantiation will be performed for all users\&. If the list is preceded with a single "~" character, polyinstantiation is performed only for users in the list\&. +.PP +The +\fImethod\fR +field can contain also following optional flags separated by +\fI:\fR +characters\&. +.PP +\fIcreate\fR=\fImode\fR,\fIowner\fR,\fIgroup\fR +\- create the polyinstantiated directory\&. The mode, owner and group parameters are optional\&. The default for mode is determined by umask, the default owner is the user whose session is opened, the default group is the primary group of the user\&. +.PP +\fIiscript\fR=\fIpath\fR +\- path to the instance directory init script\&. The base directory for relative paths is +/etc/security/namespace\&.d\&. +.PP +\fInoinit\fR +\- instance directory init script will not be executed\&. +.PP +\fIshared\fR +\- the instance directories for "context" and "level" methods will not contain the user name and will be shared among all users\&. +.PP +\fImntopts\fR=\fIvalue\fR +\- value of this flag is passed to the mount call when the tmpfs mount is done\&. It allows for example the specification of the maximum size of the tmpfs instance that is created by the mount call\&. In addition to options specified in the +\fBtmpfs\fR(5) +manual the +\fInosuid\fR, +\fInoexec\fR, and +\fInodev\fR +flags can be used to respectively disable setuid bit effect, disable running executables, and disable devices to be interpreted on the mounted tmpfs filesystem\&. +.PP +The directory where polyinstantiated instances are to be created, must exist and must have, by default, the mode of 0000\&. The requirement that the instance parent be of mode 0000 can be overridden with the command line option +\fIignore_instance_parent_mode\fR +.PP +In case of context or level polyinstantiation the SELinux context which is used for polyinstantiation is the context used for executing a new process as obtained by getexeccon\&. This context must be set by the calling application or +pam_selinux\&.so +module\&. If this context is not set the polyinstatiation will be based just on user name\&. +.PP +The "instance differentiation string" is for "user" method and _ for "context" and "level" methods\&. If the whole string is too long the end of it is replaced with md5sum of itself\&. Also when command line option +\fIgen_hash\fR +is used the whole string is replaced with md5sum of itself\&. +.SH "EXAMPLES" +.PP +These are some example lines which might be specified in +/etc/security/namespace\&.conf\&. +.sp +.if n \{\ +.RS 4 +.\} +.nf + # The following three lines will polyinstantiate /tmp, + # /var/tmp and user\*(Aqs home directories\&. /tmp and /var/tmp + # will be polyinstantiated based on the security level + # as well as user name, whereas home directory will be + # polyinstantiated based on the full security context and user name\&. + # Polyinstantiation will not be performed for user root + # and adm for directories /tmp and /var/tmp, whereas home + # directories will be polyinstantiated for all users\&. + # + # Note that instance directories do not have to reside inside + # the polyinstantiated directory\&. In the examples below, + # instances of /tmp will be created in /tmp\-inst directory, + # where as instances of /var/tmp and users home directories + # will reside within the directories that are being + # polyinstantiated\&. + # + /tmp /tmp\-inst/ level root,adm + /var/tmp /var/tmp/tmp\-inst/ level root,adm + $HOME $HOME/$USER\&.inst/inst\- context + +.fi +.if n \{\ +.RE +.\} +.PP +For the s you need polyinstantiation (login for example) put the following line in /etc/pam\&.d/ as the last line for session group: +.PP +session required pam_namespace\&.so [arguments] +.PP +This module also depends on pam_selinux\&.so setting the context\&. +.SH "SEE ALSO" +.PP +\fBpam_namespace\fR(8), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHORS" +.PP +The namespace\&.conf manual page was written by Janak Desai \&. More features added by Tomas Mraz \&. diff --git a/modules/pam_namespace/namespace.conf.5.xml b/modules/pam_namespace/namespace.conf.5.xml new file mode 100644 index 0000000..a94b49e --- /dev/null +++ b/modules/pam_namespace/namespace.conf.5.xml @@ -0,0 +1,223 @@ + + + + + + + namespace.conf + 5 + Linux-PAM Manual + + + + namespace.conf + the namespace configuration file + + + + + DESCRIPTION + + + The pam_namespace.so module allows setup of + private namespaces with polyinstantiated directories. + Directories can be polyinstantiated based on user name + or, in the case of SELinux, user name, sensitivity level or complete security context. If an + executable script /etc/security/namespace.init + exists, it is used to initialize the namespace every time an instance + directory is set up and mounted. The script receives the polyinstantiated + directory path and the instance directory path as its arguments. + + + + The /etc/security/namespace.conf file specifies + which directories are polyinstantiated, how they are polyinstantiated, + how instance directories would be named, and any users for whom + polyinstantiation would not be performed. + + + + When someone logs in, the file namespace.conf is + scanned. Comments are marked by # characters. + Each non comment line represents one polyinstantiated + directory. The fields are separated by spaces but can be quoted by + " characters also escape + sequences \b, \n, and + \t are recognized. The fields are as follows: + + + polydir instance_prefix method list_of_uids + + + + The first field, polydir, is the absolute + pathname of the directory to polyinstantiate. The special string + $HOME is replaced with the user's home directory, + and $USER with the username. This field cannot + be blank. + + + + The second field, instance_prefix is + the string prefix used to build the pathname for the instantiation + of <polydir>. Depending on the polyinstantiation + method it is then appended with + "instance differentiation string" to generate the final + instance directory path. This directory is created if it did not exist + already, and is then bind mounted on the <polydir> to provide an + instance of <polydir> based on the <method> column. + The special string $HOME is replaced with the + user's home directory, and $USER with the username. + This field cannot be blank. + + + + The third field, method, is the method + used for polyinstantiation. It can take these values; "user" + for polyinstantiation based on user name, "level" for + polyinstantiation based on process MLS level and user name, "context" for + polyinstantiation based on process security context and user name, + "tmpfs" for mounting tmpfs filesystem as an instance dir, and + "tmpdir" for creating temporary directory as an instance dir which is + removed when the user's session is closed. + Methods "context" and "level" are only available with SELinux. This + field cannot be blank. + + + + The fourth field, list_of_uids, is + a comma separated list of user names for whom the polyinstantiation + is not performed. If left blank, polyinstantiation will be performed + for all users. If the list is preceded with a single "~" character, + polyinstantiation is performed only for users in the list. + + + + The method field can contain also following + optional flags separated by : characters. + + + create=mode,owner,group + - create the polyinstantiated directory. The mode, owner and group parameters + are optional. The default for mode is determined by umask, the default + owner is the user whose session is opened, the default group is the + primary group of the user. + + + iscript=path + - path to the instance directory init script. The base directory for relative + paths is /etc/security/namespace.d. + + + noinit + - instance directory init script will not be executed. + + + shared + - the instance directories for "context" and "level" methods will not + contain the user name and will be shared among all users. + + + mntopts=value + - value of this flag is passed to the mount call when the tmpfs mount is + done. It allows for example the specification of the maximum size of the + tmpfs instance that is created by the mount call. In addition to + options specified in the + tmpfs5 + manual the nosuid, + noexec, and nodev flags + can be used to respectively disable setuid bit effect, disable running + executables, and disable devices to be interpreted on the mounted + tmpfs filesystem. + + + + The directory where polyinstantiated instances are to be + created, must exist and must have, by default, the mode of 0000. The + requirement that the instance parent be of mode 0000 can be overridden + with the command line option ignore_instance_parent_mode + + + + In case of context or level polyinstantiation the SELinux context + which is used for polyinstantiation is the context used for executing + a new process as obtained by getexeccon. This context must be set + by the calling application or pam_selinux.so + module. If this context is not set the polyinstatiation will be + based just on user name. + + + + The "instance differentiation string" is <user name> for "user" + method and <user name>_<raw directory context> for "context" + and "level" methods. If the whole string is too long the end of it is + replaced with md5sum of itself. Also when command line option + gen_hash is used the whole string is replaced + with md5sum of itself. + + + + + + EXAMPLES + + These are some example lines which might be specified in + /etc/security/namespace.conf. + + + + # The following three lines will polyinstantiate /tmp, + # /var/tmp and user's home directories. /tmp and /var/tmp + # will be polyinstantiated based on the security level + # as well as user name, whereas home directory will be + # polyinstantiated based on the full security context and user name. + # Polyinstantiation will not be performed for user root + # and adm for directories /tmp and /var/tmp, whereas home + # directories will be polyinstantiated for all users. + # + # Note that instance directories do not have to reside inside + # the polyinstantiated directory. In the examples below, + # instances of /tmp will be created in /tmp-inst directory, + # where as instances of /var/tmp and users home directories + # will reside within the directories that are being + # polyinstantiated. + # + /tmp /tmp-inst/ level root,adm + /var/tmp /var/tmp/tmp-inst/ level root,adm + $HOME $HOME/$USER.inst/inst- context + + + + For the <service>s you need polyinstantiation (login for example) + put the following line in /etc/pam.d/<service> as the last line for + session group: + + + + session required pam_namespace.so [arguments] + + + + This module also depends on pam_selinux.so setting the context. + + + + + + SEE ALSO + + pam_namespace8, + pam.d5, + pam8 + + + + + AUTHORS + + The namespace.conf manual page was written by Janak Desai <janak@us.ibm.com>. + More features added by Tomas Mraz <tmraz@redhat.com>. + + + diff --git a/modules/pam_namespace/namespace.init b/modules/pam_namespace/namespace.init new file mode 100755 index 0000000..67d4aa2 --- /dev/null +++ b/modules/pam_namespace/namespace.init @@ -0,0 +1,25 @@ +#!/bin/sh +# It receives polydir path as $1, the instance path as $2, +# a flag whether the instance dir was newly created (0 - no, 1 - yes) in $3, +# and user name in $4. +# +# The following section will copy the contents of /etc/skel if this is a +# newly created home directory. +if [ "$3" = 1 ]; then + # This line will fix the labeling on all newly created directories + [ -x /sbin/restorecon ] && /sbin/restorecon "$1" + user="$4" + passwd=$(getent passwd "$user") + homedir=$(echo "$passwd" | cut -f6 -d":") + if [ "$1" = "$homedir" ]; then + gid=$(echo "$passwd" | cut -f4 -d":") + cp -rT /etc/skel "$homedir" + chown -R "$user":"$gid" "$homedir" + mask=$(awk '/^UMASK/{gsub("#.*$", "", $2); print $2; exit}' /etc/login.defs) + mode=$(printf "%o" $((0777 & ~$mask))) + chmod ${mode:-700} "$homedir" + [ -x /sbin/restorecon ] && /sbin/restorecon -R "$homedir" + fi +fi + +exit 0 diff --git a/modules/pam_namespace/pam_namespace.8 b/modules/pam_namespace/pam_namespace.8 new file mode 100644 index 0000000..d0afb6c --- /dev/null +++ b/modules/pam_namespace/pam_namespace.8 @@ -0,0 +1,154 @@ +'\" t +.\" Title: pam_namespace +.\" Author: [see the "AUTHORS" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_NAMESPACE" "8" "09/03/2021" "Linux-PAM Manual" "Linux-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_namespace \- PAM module for configuring namespace for a session +.SH "SYNOPSIS" +.HP \w'\fBpam_namespace\&.so\fR\ 'u +\fBpam_namespace\&.so\fR [debug] [unmnt_remnt] [unmnt_only] [require_selinux] [gen_hash] [ignore_config_error] [ignore_instance_parent_mode] [unmount_on_close] [use_current_context] [use_default_context] [mount_private] +.SH "DESCRIPTION" +.PP +The pam_namespace PAM module sets up a private namespace for a session with polyinstantiated directories\&. A polyinstantiated directory provides a different instance of itself based on user name, or when using SELinux, user name, security context or both\&. If an executable script +/etc/security/namespace\&.init +exists, it is used to initialize the instance directory after it is set up and mounted on the polyinstantiated directory\&. The script receives the polyinstantiated directory path, the instance directory path, flag whether the instance directory was newly created (0 for no, 1 for yes), and the user name as its arguments\&. +.PP +The pam_namespace module disassociates the session namespace from the parent namespace\&. Any mounts/unmounts performed in the parent namespace, such as mounting of devices, are not reflected in the session namespace\&. To propagate selected mount/unmount events from the parent namespace into the disassociated session namespace, an administrator may use the special shared\-subtree feature\&. For additional information on shared\-subtree feature, please refer to the mount(8) man page and the shared\-subtree description at http://lwn\&.net/Articles/159077 and http://lwn\&.net/Articles/159092\&. +.SH "OPTIONS" +.PP +\fBdebug\fR +.RS 4 +A lot of debug information is logged using syslog +.RE +.PP +\fBunmnt_remnt\fR +.RS 4 +For programs such as su and newrole, the login session has already setup a polyinstantiated namespace\&. For these programs, polyinstantiation is performed based on new user id or security context, however the command first needs to undo the polyinstantiation performed by login\&. This argument instructs the command to first undo previous polyinstantiation before proceeding with new polyinstantiation based on new id/context +.RE +.PP +\fBunmnt_only\fR +.RS 4 +For trusted programs that want to undo any existing bind mounts and process instance directories on their own, this argument allows them to unmount currently mounted instance directories +.RE +.PP +\fBrequire_selinux\fR +.RS 4 +If selinux is not enabled, return failure +.RE +.PP +\fBgen_hash\fR +.RS 4 +Instead of using the security context string for the instance name, generate and use its md5 hash\&. +.RE +.PP +\fBignore_config_error\fR +.RS 4 +If a line in the configuration file corresponding to a polyinstantiated directory contains format error, skip that line process the next line\&. Without this option, pam will return an error to the calling program resulting in termination of the session\&. +.RE +.PP +\fBignore_instance_parent_mode\fR +.RS 4 +Instance parent directories by default are expected to have the restrictive mode of 000\&. Using this option, an administrator can choose to ignore the mode of the instance parent\&. This option should be used with caution as it will reduce security and isolation goals of the polyinstantiation mechanism\&. +.RE +.PP +\fBunmount_on_close\fR +.RS 4 +Explicitly unmount the polyinstantiated directories instead of relying on automatic namespace destruction after the last process in a namespace exits\&. This option should be used only in case it is ensured by other means that there cannot be any processes running in the private namespace left after the session close\&. It is also useful only in case there are multiple pam session calls in sequence from the same process\&. +.RE +.PP +\fBuse_current_context\fR +.RS 4 +Useful for services which do not change the SELinux context with setexeccon call\&. The module will use the current SELinux context of the calling process for the level and context polyinstantiation\&. +.RE +.PP +\fBuse_default_context\fR +.RS 4 +Useful for services which do not use pam_selinux for changing the SELinux context with setexeccon call\&. The module will use the default SELinux context of the user for the level and context polyinstantiation\&. +.RE +.PP +\fBmount_private\fR +.RS 4 +This option can be used on systems where the / mount point or its submounts are made shared (for example with a +\fBmount \-\-make\-rshared /\fR +command)\&. The module will mark the whole directory tree so any mount and unmount operations in the polyinstantiation namespace are private\&. Normally the pam_namespace will try to detect the shared / mount point and make the polyinstantiated directories private automatically\&. This option has to be used just when only a subtree is shared and / is not\&. +.sp +Note that mounts and unmounts done in the private namespace will not affect the parent namespace if this option is used or when the shared / mount point is autodetected\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +Only the +\fBsession\fR +module type is provided\&. The module must not be called from multithreaded processes\&. +.SH "RETURN VALUES" +.PP +PAM_SUCCESS +.RS 4 +Namespace setup was successful\&. +.RE +.PP +PAM_SERVICE_ERR +.RS 4 +Unexpected system error occurred while setting up namespace\&. +.RE +.PP +PAM_SESSION_ERR +.RS 4 +Unexpected namespace configuration error occurred\&. +.RE +.SH "FILES" +.PP +/etc/security/namespace\&.conf +.RS 4 +Main configuration file +.RE +.PP +/etc/security/namespace\&.d +.RS 4 +Directory for additional configuration files +.RE +.PP +/etc/security/namespace\&.init +.RS 4 +Init script for instance directories +.RE +.SH "EXAMPLES" +.PP +For the s you need polyinstantiation (login for example) put the following line in /etc/pam\&.d/ as the last line for session group: +.PP +session required pam_namespace\&.so [arguments] +.PP +To use polyinstantiation with graphical display manager gdm, please refer to gdm\*(Aqs documentation\&. +.SH "SEE ALSO" +.PP +\fBnamespace.conf\fR(5), +\fBpam.d\fR(5), +\fBmount\fR(8), +\fBpam\fR(8)\&. +.SH "AUTHORS" +.PP +The namespace setup scheme was designed by Stephen Smalley, Janak Desai and Chad Sellers\&. The pam_namespace PAM module was developed by Janak Desai , Chad Sellers and Steve Grubb \&. Additional improvements by Xavier Toth and Tomas Mraz \&. diff --git a/modules/pam_namespace/pam_namespace.8.xml b/modules/pam_namespace/pam_namespace.8.xml new file mode 100644 index 0000000..57c44c4 --- /dev/null +++ b/modules/pam_namespace/pam_namespace.8.xml @@ -0,0 +1,381 @@ + + + + + + + pam_namespace + 8 + Linux-PAM Manual + + + + pam_namespace + + PAM module for configuring namespace for a session + + + + + + + + pam_namespace.so + + debug + + + unmnt_remnt + + + unmnt_only + + + require_selinux + + + gen_hash + + + ignore_config_error + + + ignore_instance_parent_mode + + + unmount_on_close + + + use_current_context + + + use_default_context + + + mount_private + + + + + + + DESCRIPTION + + The pam_namespace PAM module sets up a private namespace for a session + with polyinstantiated directories. A polyinstantiated directory + provides a different instance of itself based on user name, or when + using SELinux, user name, security context or both. If an executable + script /etc/security/namespace.init exists, it + is used to initialize the instance directory after it is set up + and mounted on the polyinstantiated directory. The script receives the + polyinstantiated directory path, the instance directory path, flag + whether the instance directory was newly created (0 for no, 1 for yes), + and the user name as its arguments. + + + + The pam_namespace module disassociates the session namespace from + the parent namespace. Any mounts/unmounts performed in the parent + namespace, such as mounting of devices, are not reflected in the + session namespace. To propagate selected mount/unmount events from + the parent namespace into the disassociated session namespace, an + administrator may use the special shared-subtree feature. For + additional information on shared-subtree feature, please refer to + the mount(8) man page and the shared-subtree description at + http://lwn.net/Articles/159077 and http://lwn.net/Articles/159092. + + + + + + OPTIONS + + + + + + + + + A lot of debug information is logged using syslog + + + + + + + + + + + For programs such as su and newrole, the login + session has already setup a polyinstantiated + namespace. For these programs, polyinstantiation + is performed based on new user id or security + context, however the command first needs to + undo the polyinstantiation performed by login. + This argument instructs the command to + first undo previous polyinstantiation before + proceeding with new polyinstantiation based on + new id/context + + + + + + + + + + + For trusted programs that want to undo any + existing bind mounts and process instance + directories on their own, this argument allows + them to unmount currently mounted instance + directories + + + + + + + + + + + If selinux is not enabled, return failure + + + + + + + + + + + Instead of using the security context string + for the instance name, generate and use its + md5 hash. + + + + + + + + + + + If a line in the configuration file corresponding + to a polyinstantiated directory contains format + error, skip that line process the next line. + Without this option, pam will return an error + to the calling program resulting in termination + of the session. + + + + + + + + + + + Instance parent directories by default are expected to have + the restrictive mode of 000. Using this option, an administrator + can choose to ignore the mode of the instance parent. This option + should be used with caution as it will reduce security and + isolation goals of the polyinstantiation mechanism. + + + + + + + + + + + Explicitly unmount the polyinstantiated directories instead + of relying on automatic namespace destruction after the last + process in a namespace exits. This option should be used + only in case it is ensured by other means that there cannot be + any processes running in the private namespace left after the + session close. It is also useful only in case there are + multiple pam session calls in sequence from the same process. + + + + + + + + + + + Useful for services which do not change the SELinux context + with setexeccon call. The module will use the current SELinux + context of the calling process for the level and context + polyinstantiation. + + + + + + + + + + + Useful for services which do not use pam_selinux for changing + the SELinux context with setexeccon call. The module will use + the default SELinux context of the user for the level and context + polyinstantiation. + + + + + + + + + + + This option can be used on systems where the / mount point or + its submounts are made shared (for example with a + mount --make-rshared / command). + The module will mark the whole directory tree so any mount and + unmount operations in the polyinstantiation namespace are private. + Normally the pam_namespace will try to detect the + shared / mount point and make the polyinstantiated directories + private automatically. This option has to be used just when + only a subtree is shared and / is not. + + + Note that mounts and unmounts done in the private namespace will not + affect the parent namespace if this option is used or when the + shared / mount point is autodetected. + + + + + + + + + MODULE TYPES PROVIDED + + Only the module type is provided. + The module must not be called from multithreaded processes. + + + + + RETURN VALUES + + + PAM_SUCCESS + + + Namespace setup was successful. + + + + + PAM_SERVICE_ERR + + + Unexpected system error occurred while setting up namespace. + + + + + PAM_SESSION_ERR + + + Unexpected namespace configuration error occurred. + + + + + + + + FILES + + + /etc/security/namespace.conf + + Main configuration file + + + + + /etc/security/namespace.d + + Directory for additional configuration files + + + + + /etc/security/namespace.init + + Init script for instance directories + + + + + + + EXAMPLES + + + For the <service>s you need polyinstantiation (login for example) + put the following line in /etc/pam.d/<service> as the last line for + session group: + + + + session required pam_namespace.so [arguments] + + + + To use polyinstantiation with graphical display manager gdm, please refer + to gdm's documentation. + + + + + + SEE ALSO + + + namespace.conf5 + , + + pam.d5 + , + + mount8 + , + + pam8 + . + + + + + AUTHORS + + The namespace setup scheme was designed by Stephen Smalley, Janak Desai + and Chad Sellers. + The pam_namespace PAM module was developed by Janak Desai <janak@us.ibm.com>, + Chad Sellers <csellers@tresys.com> and Steve Grubb <sgrubb@redhat.com>. + Additional improvements by Xavier Toth <txtoth@gmail.com> and Tomas Mraz + <tmraz@redhat.com>. + + + diff --git a/modules/pam_namespace/pam_namespace.c b/modules/pam_namespace/pam_namespace.c new file mode 100644 index 0000000..4d4188d --- /dev/null +++ b/modules/pam_namespace/pam_namespace.c @@ -0,0 +1,2272 @@ +/****************************************************************************** + * A module for Linux-PAM that will set the default namespace after + * establishing a session via PAM. + * + * (C) Copyright IBM Corporation 2005 + * (C) Copyright Red Hat, Inc. 2006, 2008 + * All Rights Reserved. + * + * Written by: Janak Desai + * With Revisions by: Steve Grubb + * Contributions by: Xavier Toth , + * Tomas Mraz + * Derived from a namespace setup patch by Chad Sellers + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#define _ATFILE_SOURCE + +#include "pam_cc_compat.h" +#include "pam_inline.h" +#include "pam_namespace.h" +#include "argv_parse.h" + +/* + * Adds an entry for a polyinstantiated directory to the linked list of + * polyinstantiated directories. It is called from process_line() while + * parsing the namespace configuration file. + */ +static void add_polydir_entry(struct instance_data *idata, + struct polydir_s *ent) +{ + /* Now attach to linked list */ + ent->next = NULL; + if (idata->polydirs_ptr == NULL) + idata->polydirs_ptr = ent; + else { + struct polydir_s *tail; + + tail = idata->polydirs_ptr; + while (tail->next) + tail = tail->next; + tail->next = ent; + } +} + +static void del_polydir(struct polydir_s *poly) +{ + if (poly) { + free(poly->uid); + free(poly->init_script); + free(poly->mount_opts); + free(poly); + } +} + +/* + * Deletes all the entries in the linked list. + */ +static void del_polydir_list(struct polydir_s *polydirs_ptr) +{ + struct polydir_s *dptr = polydirs_ptr; + + while (dptr) { + struct polydir_s *tptr = dptr; + dptr = dptr->next; + del_polydir(tptr); + } +} + +static void unprotect_dirs(struct protect_dir_s *dir) +{ + struct protect_dir_s *next; + + while (dir != NULL) { + umount(dir->dir); + free(dir->dir); + next = dir->next; + free(dir); + dir = next; + } +} + +static void cleanup_polydir_data(pam_handle_t *pamh UNUSED , void *data, int err UNUSED) +{ + del_polydir_list(data); +} + +static void cleanup_protect_data(pam_handle_t *pamh UNUSED , void *data, int err UNUSED) +{ + unprotect_dirs(data); +} + +static char *expand_variables(const char *orig, const char *var_names[], const char *var_values[]) +{ + const char *src = orig; + char *dst; + char *expanded; + char c; + size_t dstlen = 0; + while (*src) { + if (*src == '$') { + int i; + for (i = 0; var_names[i]; i++) { + int namelen = strlen(var_names[i]); + if (strncmp(var_names[i], src+1, namelen) == 0) { + dstlen += strlen(var_values[i]) - 1; /* $ */ + src += namelen; + break; + } + } + } + ++dstlen; + ++src; + } + if ((dst=expanded=malloc(dstlen + 1)) == NULL) + return NULL; + src = orig; + while ((c=*src) != '\0') { + if (c == '$') { + int i; + for (i = 0; var_names[i]; i++) { + int namelen = strlen(var_names[i]); + if (strncmp(var_names[i], src+1, namelen) == 0) { + dst = stpcpy(dst, var_values[i]); + --dst; + c = *dst; /* replace $ */ + src += namelen; + break; + } + } + } + *dst = c; + ++dst; + ++src; + } + *dst = '\0'; + return expanded; +} + +static int parse_create_params(char *params, struct polydir_s *poly) +{ + char *next; + struct passwd *pwd = NULL; + struct group *grp; + + poly->mode = (mode_t)ULONG_MAX; + poly->owner = (uid_t)ULONG_MAX; + poly->group = (gid_t)ULONG_MAX; + + if (*params != '=') + return 0; + params++; + + next = strchr(params, ','); + if (next != NULL) { + *next = '\0'; + next++; + } + + if (*params != '\0') { + errno = 0; + poly->mode = (mode_t)strtoul(params, NULL, 0); + if (errno != 0) { + poly->mode = (mode_t)ULONG_MAX; + } + } + + params = next; + if (params == NULL) + return 0; + next = strchr(params, ','); + if (next != NULL) { + *next = '\0'; + next++; + } + + if (*params != '\0') { + pwd = getpwnam(params); /* session modules are not reentrant */ + if (pwd == NULL) + return -1; + poly->owner = pwd->pw_uid; + } + + params = next; + if (params == NULL || *params == '\0') { + if (pwd != NULL) + poly->group = pwd->pw_gid; + return 0; + } + grp = getgrnam(params); + if (grp == NULL) + return -1; + poly->group = grp->gr_gid; + + return 0; +} + +static int parse_iscript_params(char *params, struct polydir_s *poly) +{ + if (*params != '=') + return 0; + params++; + + if (*params != '\0') { + if (*params != '/') { /* path is relative to NAMESPACE_D_DIR */ + if (asprintf(&poly->init_script, "%s%s", NAMESPACE_D_DIR, params) == -1) + return -1; + } else { + poly->init_script = strdup(params); + } + if (poly->init_script == NULL) + return -1; + } + return 0; +} + +struct mntflag { + const char *name; + size_t len; + unsigned long flag; +}; + +#define LITERAL_AND_LEN(x) x, sizeof(x) - 1 + +static const struct mntflag mntflags[] = { + { LITERAL_AND_LEN("noexec"), MS_NOEXEC }, + { LITERAL_AND_LEN("nosuid"), MS_NOSUID }, + { LITERAL_AND_LEN("nodev"), MS_NODEV } + }; + +static int filter_mntopts(const char *opts, char **filtered, + unsigned long *mountflags) +{ + size_t origlen = strlen(opts); + const char *end; + char *dest; + + dest = *filtered = NULL; + *mountflags = 0; + + if (origlen == 0) + return 0; + + do { + size_t len; + unsigned int i; + + end = strchr(opts, ','); + if (end == NULL) { + len = strlen(opts); + } else { + len = end - opts; + } + + for (i = 0; i < PAM_ARRAY_SIZE(mntflags); i++) { + if (mntflags[i].len != len) + continue; + if (memcmp(mntflags[i].name, opts, len) == 0) { + *mountflags |= mntflags[i].flag; + opts = end; + break; + } + } + + if (opts != end) { + if (dest != NULL) { + *dest = ','; + ++dest; + } else { + dest = *filtered = calloc(1, origlen + 1); + if (dest == NULL) + return -1; + } + memcpy(dest, opts, len); + dest += len; + } + + opts = end + 1; + } while (end != NULL); + + return 0; +} + +static int parse_method(char *method, struct polydir_s *poly, + struct instance_data *idata) +{ + enum polymethod pm; + char *sptr = NULL; + static const char *method_names[] = { "user", "context", "level", "tmpdir", + "tmpfs", NULL }; + static const char *flag_names[] = { "create", "noinit", "iscript", + "shared", "mntopts", NULL }; + static const unsigned int flag_values[] = { POLYDIR_CREATE, POLYDIR_NOINIT, + POLYDIR_ISCRIPT, POLYDIR_SHARED, POLYDIR_MNTOPTS }; + int i; + char *flag; + + method = strtok_r(method, ":", &sptr); + pm = NONE; + + for (i = 0; method_names[i]; i++) { + if (strcmp(method, method_names[i]) == 0) { + pm = i + 1; /* 0 = NONE */ + } + } + + if (pm == NONE) { + pam_syslog(idata->pamh, LOG_NOTICE, "Unknown method"); + return -1; + } + + poly->method = pm; + + while ((flag=strtok_r(NULL, ":", &sptr)) != NULL) { + for (i = 0; flag_names[i]; i++) { + int namelen = strlen(flag_names[i]); + + if (strncmp(flag, flag_names[i], namelen) == 0) { + poly->flags |= flag_values[i]; + switch (flag_values[i]) { + case POLYDIR_CREATE: + if (parse_create_params(flag+namelen, poly) != 0) { + pam_syslog(idata->pamh, LOG_CRIT, "Invalid create parameters"); + return -1; + } + break; + + case POLYDIR_ISCRIPT: + if (parse_iscript_params(flag+namelen, poly) != 0) { + pam_syslog(idata->pamh, LOG_CRIT, "Memory allocation error"); + return -1; + }; + break; + + case POLYDIR_MNTOPTS: + if (flag[namelen] != '=') + break; + if (poly->method != TMPFS) { + pam_syslog(idata->pamh, LOG_WARNING, "Mount options applicable only to tmpfs method"); + break; + } + free(poly->mount_opts); /* if duplicate mntopts specified */ + poly->mount_opts = NULL; + if (filter_mntopts(flag+namelen+1, &poly->mount_opts, &poly->mount_flags) != 0) { + pam_syslog(idata->pamh, LOG_CRIT, "Memory allocation error"); + return -1; + } + break; + } + } + } + } + + return 0; +} + +/* + * Called from parse_config_file, this function processes a single line + * of the namespace configuration file. It skips over comments and incomplete + * or malformed lines. It processes a valid line with information on + * polyinstantiating a directory by populating appropriate fields of a + * polyinstatiated directory structure and then calling add_polydir_entry to + * add that entry to the linked list of polyinstantiated directories. + */ +static int process_line(char *line, const char *home, const char *rhome, + struct instance_data *idata) +{ + char *dir = NULL, *instance_prefix = NULL, *rdir = NULL; + char *method, *uids; + char *tptr; + struct polydir_s *poly; + int retval = 0; + char **config_options = NULL; + static const char *var_names[] = {"HOME", "USER", NULL}; + const char *var_values[] = {home, idata->user}; + const char *rvar_values[] = {rhome, idata->ruser}; + int len; + + /* + * skip the leading white space + */ + while (*line && isspace(*line)) + line++; + + /* + * Rip off the comments + */ + tptr = strchr(line,'#'); + if (tptr) + *tptr = '\0'; + + /* + * Rip off the newline char + */ + tptr = strchr(line,'\n'); + if (tptr) + *tptr = '\0'; + + /* + * Anything left ? + */ + if (line[0] == 0) + return 0; + + poly = calloc(1, sizeof(*poly)); + if (poly == NULL) + goto erralloc; + + /* + * Initialize and scan the five strings from the line from the + * namespace configuration file. + */ + retval = argv_parse(line, NULL, &config_options); + if (retval != 0) { + goto erralloc; + } + + dir = config_options[0]; + if (dir == NULL) { + pam_syslog(idata->pamh, LOG_NOTICE, "Invalid line missing polydir"); + goto skipping; + } + instance_prefix = config_options[1]; + if (instance_prefix == NULL) { + pam_syslog(idata->pamh, LOG_NOTICE, "Invalid line missing instance_prefix"); + instance_prefix = NULL; + goto skipping; + } + method = config_options[2]; + if (method == NULL) { + pam_syslog(idata->pamh, LOG_NOTICE, "Invalid line missing method"); + instance_prefix = NULL; + dir = NULL; + goto skipping; + } + + /* + * Only the uids field is allowed to be blank, to indicate no + * override users for polyinstantiation of that directory. If + * any of the other fields are blank, the line is incomplete so + * skip it. + */ + uids = config_options[3]; + + /* + * Expand $HOME and $USER in poly dir and instance dir prefix + */ + if ((rdir=expand_variables(dir, var_names, rvar_values)) == NULL) { + instance_prefix = NULL; + dir = NULL; + goto erralloc; + } + + if ((dir=expand_variables(dir, var_names, var_values)) == NULL) { + instance_prefix = NULL; + goto erralloc; + } + + if ((instance_prefix=expand_variables(instance_prefix, var_names, var_values)) + == NULL) { + goto erralloc; + } + + if (idata->flags & PAMNS_DEBUG) { + pam_syslog(idata->pamh, LOG_DEBUG, "Expanded polydir: '%s'", dir); + pam_syslog(idata->pamh, LOG_DEBUG, "Expanded ruser polydir: '%s'", rdir); + pam_syslog(idata->pamh, LOG_DEBUG, "Expanded instance prefix: '%s'", instance_prefix); + } + + len = strlen(dir); + if (len > 0 && dir[len-1] == '/') { + dir[len-1] = '\0'; + } + + len = strlen(rdir); + if (len > 0 && rdir[len-1] == '/') { + rdir[len-1] = '\0'; + } + + if (dir[0] == '\0' || rdir[0] == '\0') { + pam_syslog(idata->pamh, LOG_NOTICE, "Invalid polydir"); + goto skipping; + } + + /* + * Populate polyinstantiated directory structure with appropriate + * pathnames and the method with which to polyinstantiate. + */ + if (strlen(dir) >= sizeof(poly->dir) + || strlen(rdir) >= sizeof(poly->rdir) + || strlen(instance_prefix) >= sizeof(poly->instance_prefix)) { + pam_syslog(idata->pamh, LOG_NOTICE, "Pathnames too long"); + goto skipping; + } + strcpy(poly->dir, dir); + strcpy(poly->rdir, rdir); + strcpy(poly->instance_prefix, instance_prefix); + + if (parse_method(method, poly, idata) != 0) { + goto skipping; + } + + if (poly->method == TMPDIR) { + if (sizeof(poly->instance_prefix) - strlen(poly->instance_prefix) < 7) { + pam_syslog(idata->pamh, LOG_NOTICE, "Pathnames too long"); + goto skipping; + } + strcat(poly->instance_prefix, "XXXXXX"); + } + + /* + * Ensure that all pathnames are absolute path names. + */ + if ((poly->dir[0] != '/') || (poly->method != TMPFS && poly->instance_prefix[0] != '/')) { + pam_syslog(idata->pamh, LOG_NOTICE, "Pathnames must start with '/'"); + goto skipping; + } + if (strstr(dir, "..") || strstr(poly->instance_prefix, "..")) { + pam_syslog(idata->pamh, LOG_NOTICE, "Pathnames must not contain '..'"); + goto skipping; + } + + /* + * If the line in namespace.conf for a directory to polyinstantiate + * contains a list of override users (users for whom polyinstantiation + * is not performed), read the user ids, convert names into uids, and + * add to polyinstantiated directory structure. + */ + if (uids) { + uid_t *uidptr; + const char *ustr, *sstr; + int count, i; + + if (*uids == '~') { + poly->flags |= POLYDIR_EXCLUSIVE; + uids++; + } + for (count = 0, ustr = sstr = uids; sstr; ustr = sstr + 1, count++) + sstr = strchr(ustr, ','); + + poly->num_uids = count; + poly->uid = (uid_t *) malloc(count * sizeof (uid_t)); + uidptr = poly->uid; + if (uidptr == NULL) { + goto erralloc; + } + + ustr = uids; + for (i = 0; i < count; i++) { + struct passwd *pwd; + + tptr = strchr(ustr, ','); + if (tptr) + *tptr = '\0'; + + pwd = pam_modutil_getpwnam(idata->pamh, ustr); + if (pwd == NULL) { + pam_syslog(idata->pamh, LOG_ERR, "Unknown user %s in configuration", ustr); + poly->num_uids--; + } else { + *uidptr = pwd->pw_uid; + uidptr++; + } + ustr = tptr + 1; + } + } + + /* + * Add polyinstantiated directory structure to the linked list + * of all polyinstantiated directory structures. + */ + add_polydir_entry(idata, poly); + + goto out; + +erralloc: + pam_syslog(idata->pamh, LOG_CRIT, "Memory allocation error"); + +skipping: + if (idata->flags & PAMNS_IGN_CONFIG_ERR) + retval = 0; + else + retval = PAM_SERVICE_ERR; + del_polydir(poly); +out: + free(rdir); + free(dir); + free(instance_prefix); + argv_free(config_options); + return retval; +} + + +/* + * Parses /etc/security/namespace.conf file to build a linked list of + * polyinstantiated directory structures of type polydir_s. Each entry + * in the linked list contains information needed to polyinstantiate + * one directory. + */ +static int parse_config_file(struct instance_data *idata) +{ + FILE *fil; + char *home, *rhome; + const char *confname; + struct passwd *cpwd; + char *line; + int retval; + size_t len = 0; + glob_t globbuf; + const char *oldlocale; + size_t n; + + /* + * Extract the user's home directory to resolve $HOME entries + * in the namespace configuration file. + */ + cpwd = pam_modutil_getpwnam(idata->pamh, idata->user); + if (!cpwd) { + pam_syslog(idata->pamh, LOG_ERR, + "Error getting home dir for '%s'", idata->user); + return PAM_SESSION_ERR; + } + if ((home=strdup(cpwd->pw_dir)) == NULL) { + pam_syslog(idata->pamh, LOG_CRIT, + "Memory allocation error"); + return PAM_SESSION_ERR; + } + + cpwd = pam_modutil_getpwnam(idata->pamh, idata->ruser); + if (!cpwd) { + pam_syslog(idata->pamh, LOG_ERR, + "Error getting home dir for '%s'", idata->ruser); + free(home); + return PAM_SESSION_ERR; + } + + if ((rhome=strdup(cpwd->pw_dir)) == NULL) { + pam_syslog(idata->pamh, LOG_CRIT, + "Memory allocation error"); + free(home); + return PAM_SESSION_ERR; + } + + /* + * Open configuration file, read one line at a time and call + * process_line to process each line. + */ + + memset(&globbuf, '\0', sizeof(globbuf)); + oldlocale = setlocale(LC_COLLATE, "C"); + glob(NAMESPACE_D_GLOB, 0, NULL, &globbuf); + if (oldlocale != NULL) + setlocale(LC_COLLATE, oldlocale); + + confname = PAM_NAMESPACE_CONFIG; + n = 0; + for (;;) { + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, "Parsing config file %s", + confname); + fil = fopen(confname, "r"); + if (fil == NULL) { + pam_syslog(idata->pamh, LOG_ERR, "Error opening config file %s", + confname); + globfree(&globbuf); + free(rhome); + free(home); + return PAM_SERVICE_ERR; + } + + /* Use unlocked IO */ + __fsetlocking(fil, FSETLOCKING_BYCALLER); + + line = NULL; + /* loop reading the file */ + while (getline(&line, &len, fil) > 0) { + retval = process_line(line, home, rhome, idata); + if (retval) { + pam_syslog(idata->pamh, LOG_ERR, + "Error processing conf file %s line %s", confname, line); + fclose(fil); + free(line); + globfree(&globbuf); + free(rhome); + free(home); + return PAM_SERVICE_ERR; + } + } + fclose(fil); + free(line); + + if (n >= globbuf.gl_pathc) + break; + + confname = globbuf.gl_pathv[n]; + n++; + } + + globfree(&globbuf); + free(rhome); + free(home); + + /* All done...just some debug stuff */ + if (idata->flags & PAMNS_DEBUG) { + struct polydir_s *dptr = idata->polydirs_ptr; + uid_t *iptr; + uid_t i; + + pam_syslog(idata->pamh, LOG_DEBUG, + dptr?"Configured poly dirs:":"No configured poly dirs"); + while (dptr) { + pam_syslog(idata->pamh, LOG_DEBUG, "dir='%s' iprefix='%s' meth=%d", + dptr->dir, dptr->instance_prefix, dptr->method); + for (i = 0, iptr = dptr->uid; i < dptr->num_uids; i++, iptr++) + pam_syslog(idata->pamh, LOG_DEBUG, "override user %d ", *iptr); + dptr = dptr->next; + } + } + + return PAM_SUCCESS; +} + + +/* + * This function returns true if a given uid is present in the polyinstantiated + * directory's list of override uids. If the uid is one of the override + * uids for the polyinstantiated directory, polyinstantiation is not + * performed for that user for that directory. + * If exclusive is set the returned values are opposite. + */ +static int ns_override(struct polydir_s *polyptr, struct instance_data *idata, + uid_t uid) +{ + unsigned int i; + + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, + "Checking for ns override in dir %s for uid %d", + polyptr->dir, uid); + + for (i = 0; i < polyptr->num_uids; i++) { + if (uid == polyptr->uid[i]) { + return !(polyptr->flags & POLYDIR_EXCLUSIVE); + } + } + + return !!(polyptr->flags & POLYDIR_EXCLUSIVE); +} + +/* + * md5hash generates a hash of the passed in instance directory name. + */ +static char *md5hash(const char *instname, struct instance_data *idata) +{ + int i; + char *md5inst = NULL; + char *to; + unsigned char inst_digest[MD5_DIGEST_LENGTH]; + + /* + * Create MD5 hashes for instance pathname. + */ + + MD5((const unsigned char *)instname, strlen(instname), inst_digest); + + if ((md5inst = malloc(MD5_DIGEST_LENGTH * 2 + 1)) == NULL) { + pam_syslog(idata->pamh, LOG_CRIT, "Unable to allocate buffer"); + return NULL; + } + + to = md5inst; + for (i = 0; i < MD5_DIGEST_LENGTH; i++) { + snprintf(to, 3, "%02x", (unsigned int)inst_digest[i]); + to += 2; + } + + return md5inst; +} + +#ifdef WITH_SELINUX +static int form_context(const struct polydir_s *polyptr, + char **i_context, char **origcon, + struct instance_data *idata) +{ + int rc = PAM_SUCCESS; + char *scon = NULL; + security_class_t tclass; + + /* + * Get the security context of the directory to polyinstantiate. + */ + rc = getfilecon(polyptr->dir, origcon); + if (rc < 0 || *origcon == NULL) { + pam_syslog(idata->pamh, LOG_ERR, + "Error getting poly dir context, %m"); + return PAM_SESSION_ERR; + } + + if (polyptr->method == USER) return PAM_SUCCESS; + + if (idata->flags & PAMNS_USE_CURRENT_CONTEXT) { + rc = getcon(&scon); + } else if (idata->flags & PAMNS_USE_DEFAULT_CONTEXT) { + char *seuser = NULL, *level = NULL; + + if ((rc=getseuserbyname(idata->user, &seuser, &level)) == 0) { + rc = get_default_context_with_level(seuser, level, NULL, &scon); + free(seuser); + free(level); + } + } else { + rc = getexeccon(&scon); + } + if (rc < 0 || scon == NULL) { + pam_syslog(idata->pamh, LOG_ERR, + "Error getting exec context, %m"); + return PAM_SESSION_ERR; + } + + /* + * If polyinstantiating based on security context, get current + * process security context, get security class for directories, + * and ask the policy to provide security context of the + * polyinstantiated instance directory. + */ + + if (polyptr->method == CONTEXT) { + tclass = string_to_security_class("dir"); + if (tclass == 0) { + pam_syslog(idata->pamh, LOG_ERR, + "Error getting dir security class"); + freecon(scon); + return PAM_SESSION_ERR; + } + + if (security_compute_member(scon, *origcon, tclass, + i_context) < 0) { + pam_syslog(idata->pamh, LOG_ERR, + "Error computing poly dir member context"); + freecon(scon); + return PAM_SESSION_ERR; + } else if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, + "member context returned by policy %s", *i_context); + freecon(scon); + return PAM_SUCCESS; + } + + /* + * If polyinstantiating based on security level, get current + * process security context, get security class for directories, + * and change the directories MLS Level to match process. + */ + + if (polyptr->method == LEVEL) { + context_t scontext = NULL; + context_t fcontext = NULL; + rc = PAM_SESSION_ERR; + + scontext = context_new(scon); + if (! scontext) { + pam_syslog(idata->pamh, LOG_CRIT, "out of memory"); + goto fail; + } + fcontext = context_new(*origcon); + if (! fcontext) { + pam_syslog(idata->pamh, LOG_CRIT, "out of memory"); + goto fail; + } + if (context_range_set(fcontext, context_range_get(scontext)) != 0) { + pam_syslog(idata->pamh, LOG_ERR, "Unable to set MLS Component of context"); + goto fail; + } + *i_context=strdup(context_str(fcontext)); + if (! *i_context) { + pam_syslog(idata->pamh, LOG_CRIT, "out of memory"); + goto fail; + } + + rc = PAM_SUCCESS; + fail: + context_free(scontext); + context_free(fcontext); + freecon(scon); + return rc; + } + /* Should never get here */ + return PAM_SUCCESS; +} +#endif + +/* + * poly_name returns the name of the polyinstantiated instance directory + * based on the method used for polyinstantiation (user, context or level) + * In addition, the function also returns the security contexts of the + * original directory to polyinstantiate and the polyinstantiated instance + * directory. + */ +#ifdef WITH_SELINUX +static int poly_name(const struct polydir_s *polyptr, char **i_name, + char **i_context, char **origcon, + struct instance_data *idata) +#else +static int poly_name(const struct polydir_s *polyptr, char **i_name, + struct instance_data *idata) +#endif +{ + int rc; + char *hash = NULL; + enum polymethod pm; +#ifdef WITH_SELINUX + char *rawcon = NULL; +#endif + + *i_name = NULL; +#ifdef WITH_SELINUX + *i_context = NULL; + *origcon = NULL; + if ((idata->flags & PAMNS_SELINUX_ENABLED) && + (rc=form_context(polyptr, i_context, origcon, idata)) != PAM_SUCCESS) { + return rc; + } +#endif + + rc = PAM_SESSION_ERR; + /* + * Set the name of the polyinstantiated instance dir based on the + * polyinstantiation method. + */ + + pm = polyptr->method; + if (pm == LEVEL || pm == CONTEXT) +#ifdef WITH_SELINUX + if (!(idata->flags & PAMNS_CTXT_BASED_INST)) { +#else + { + pam_syslog(idata->pamh, LOG_NOTICE, + "Context and level methods not available, using user method"); +#endif + if (polyptr->flags & POLYDIR_SHARED) { + rc = PAM_IGNORE; + goto fail; + } + pm = USER; + } + + switch (pm) { + case USER: + if (asprintf(i_name, "%s", idata->user) < 0) { + *i_name = NULL; + goto fail; + } + break; + +#ifdef WITH_SELINUX + case LEVEL: + case CONTEXT: + if (selinux_trans_to_raw_context(*i_context, &rawcon) < 0) { + pam_syslog(idata->pamh, LOG_ERR, "Error translating directory context"); + goto fail; + } + if (polyptr->flags & POLYDIR_SHARED) { + if (asprintf(i_name, "%s", rawcon) < 0) { + *i_name = NULL; + goto fail; + } + } else { + if (asprintf(i_name, "%s_%s", rawcon, idata->user) < 0) { + *i_name = NULL; + goto fail; + } + } + break; + +#endif /* WITH_SELINUX */ + + case TMPDIR: + case TMPFS: + if ((*i_name=strdup("")) == NULL) + goto fail; + return PAM_SUCCESS; + + default: + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_ERR, "Unknown method"); + goto fail; + } + + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, "poly_name %s", *i_name); + + if ((idata->flags & PAMNS_GEN_HASH) || strlen(*i_name) > NAMESPACE_MAX_DIR_LEN) { + hash = md5hash(*i_name, idata); + if (hash == NULL) { + goto fail; + } + if (idata->flags & PAMNS_GEN_HASH) { + free(*i_name); + *i_name = hash; + hash = NULL; + } else { + char *newname; + if (asprintf(&newname, "%.*s_%s", NAMESPACE_MAX_DIR_LEN-1-(int)strlen(hash), + *i_name, hash) < 0) { + goto fail; + } + free(*i_name); + *i_name = newname; + } + } + rc = PAM_SUCCESS; + +fail: + free(hash); +#ifdef WITH_SELINUX + freecon(rawcon); +#endif + if (rc != PAM_SUCCESS) { +#ifdef WITH_SELINUX + freecon(*i_context); + *i_context = NULL; + freecon(*origcon); + *origcon = NULL; +#endif + free(*i_name); + *i_name = NULL; + } + return rc; +} + +static int protect_mount(int dfd, const char *path, struct instance_data *idata) +{ + struct protect_dir_s *dir = idata->protect_dirs; + char tmpbuf[64]; + + while (dir != NULL) { + if (strcmp(path, dir->dir) == 0) { + return 0; + } + dir = dir->next; + } + + dir = calloc(1, sizeof(*dir)); + + if (dir == NULL) { + return -1; + } + + dir->dir = strdup(path); + + if (dir->dir == NULL) { + free(dir); + return -1; + } + + snprintf(tmpbuf, sizeof(tmpbuf), "/proc/self/fd/%d", dfd); + + if (idata->flags & PAMNS_DEBUG) { + pam_syslog(idata->pamh, LOG_INFO, + "Protect mount of %s over itself", path); + } + + if (mount(tmpbuf, tmpbuf, NULL, MS_BIND, NULL) != 0) { + int save_errno = errno; + pam_syslog(idata->pamh, LOG_ERR, + "Protect mount of %s failed: %m", tmpbuf); + free(dir->dir); + free(dir); + errno = save_errno; + return -1; + } + + dir->next = idata->protect_dirs; + idata->protect_dirs = dir; + + return 0; +} + +static int protect_dir(const char *path, mode_t mode, int do_mkdir, + struct instance_data *idata) +{ + char *p = strdup(path); + char *d; + char *dir = p; + int dfd = AT_FDCWD; + int dfd_next; + int save_errno; + int flags = O_RDONLY; + int rv = -1; + struct stat st; + + if (p == NULL) { + goto error; + } + + if (*dir == '/') { + dfd = open("/", flags); + if (dfd == -1) { + goto error; + } + dir++; /* assume / is safe */ + } + + while ((d=strchr(dir, '/')) != NULL) { + *d = '\0'; + dfd_next = openat(dfd, dir, flags); + if (dfd_next == -1) { + goto error; + } + + if (dfd != AT_FDCWD) + close(dfd); + dfd = dfd_next; + + if (fstat(dfd, &st) != 0) { + goto error; + } + + if (flags & O_NOFOLLOW) { + /* we are inside user-owned dir - protect */ + if (protect_mount(dfd, p, idata) == -1) + goto error; + } else if (st.st_uid != 0 || st.st_gid != 0 || + (st.st_mode & S_IWOTH)) { + /* do not follow symlinks on subdirectories */ + flags |= O_NOFOLLOW; + } + + *d = '/'; + dir = d + 1; + } + + rv = openat(dfd, dir, flags); + + if (rv == -1) { + if (!do_mkdir || mkdirat(dfd, dir, mode) != 0) { + goto error; + } + rv = openat(dfd, dir, flags); + } + + if (rv != -1) { + if (fstat(rv, &st) != 0) { + save_errno = errno; + close(rv); + rv = -1; + errno = save_errno; + goto error; + } + if (!S_ISDIR(st.st_mode)) { + close(rv); + errno = ENOTDIR; + rv = -1; + goto error; + } + } + + if (flags & O_NOFOLLOW) { + /* we are inside user-owned dir - protect */ + if (protect_mount(rv, p, idata) == -1) { + save_errno = errno; + close(rv); + rv = -1; + errno = save_errno; + } + } + +error: + save_errno = errno; + free(p); + if (dfd != AT_FDCWD && dfd >= 0) + close(dfd); + errno = save_errno; + + return rv; +} + +static int check_inst_parent(char *ipath, struct instance_data *idata) +{ + struct stat instpbuf; + char *inst_parent, *trailing_slash; + int dfd; + /* + * stat the instance parent path to make sure it exists + * and is a directory. Check that its mode is 000 (unless the + * admin explicitly instructs to ignore the instance parent + * mode by the "ignore_instance_parent_mode" argument). + */ + inst_parent = (char *) malloc(strlen(ipath)+1); + if (!inst_parent) { + pam_syslog(idata->pamh, LOG_CRIT, "Error allocating pathname string"); + return PAM_SESSION_ERR; + } + + strcpy(inst_parent, ipath); + trailing_slash = strrchr(inst_parent, '/'); + if (trailing_slash) + *trailing_slash = '\0'; + + dfd = protect_dir(inst_parent, 0, 1, idata); + + if (dfd == -1 || fstat(dfd, &instpbuf) < 0) { + pam_syslog(idata->pamh, LOG_ERR, + "Error creating or accessing instance parent %s, %m", inst_parent); + if (dfd != -1) + close(dfd); + free(inst_parent); + return PAM_SESSION_ERR; + } + + if ((idata->flags & PAMNS_IGN_INST_PARENT_MODE) == 0) { + if ((instpbuf.st_mode & (S_IRWXU|S_IRWXG|S_IRWXO)) || instpbuf.st_uid != 0) { + pam_syslog(idata->pamh, LOG_ERR, "Mode of inst parent %s not 000 or owner not root", + inst_parent); + close(dfd); + free(inst_parent); + return PAM_SESSION_ERR; + } + } + close(dfd); + free(inst_parent); + return PAM_SUCCESS; +} + +/* +* Check to see if there is a namespace initialization script in +* the /etc/security directory. If such a script exists +* execute it and pass directory to polyinstantiate and instance +* directory as arguments. +*/ +static int inst_init(const struct polydir_s *polyptr, const char *ipath, + struct instance_data *idata, int newdir) +{ + pid_t rc, pid; + struct sigaction newsa, oldsa; + int status; + const char *init_script = NAMESPACE_INIT_SCRIPT; + + memset(&newsa, '\0', sizeof(newsa)); + newsa.sa_handler = SIG_DFL; + if (sigaction(SIGCHLD, &newsa, &oldsa) == -1) { + pam_syslog(idata->pamh, LOG_ERR, "Cannot set signal value"); + return PAM_SESSION_ERR; + } + + if ((polyptr->flags & POLYDIR_ISCRIPT) && polyptr->init_script) + init_script = polyptr->init_script; + + if (access(init_script, F_OK) == 0) { + if (access(init_script, X_OK) < 0) { + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_ERR, + "Namespace init script not executable"); + rc = PAM_SESSION_ERR; + goto out; + } else { + pid = fork(); + if (pid == 0) { + static char *envp[] = { NULL }; +#ifdef WITH_SELINUX + if (idata->flags & PAMNS_SELINUX_ENABLED) { + if (setexeccon(NULL) < 0) + _exit(1); + } +#endif + /* Pass maximum privs when we exec() */ + if (setuid(geteuid()) < 0) { + /* ignore failures, they don't matter */ + } + + if (execle(init_script, init_script, + polyptr->dir, ipath, newdir?"1":"0", idata->user, NULL, envp) < 0) + _exit(1); + } else if (pid > 0) { + while (((rc = waitpid(pid, &status, 0)) == (pid_t)-1) && + (errno == EINTR)); + if (rc == (pid_t)-1) { + pam_syslog(idata->pamh, LOG_ERR, "waitpid failed- %m"); + rc = PAM_SESSION_ERR; + goto out; + } + if (!WIFEXITED(status) || WIFSIGNALED(status) > 0) { + pam_syslog(idata->pamh, LOG_ERR, + "Error initializing instance"); + rc = PAM_SESSION_ERR; + goto out; + } + } else if (pid < 0) { + pam_syslog(idata->pamh, LOG_ERR, + "Cannot fork to run namespace init script, %m"); + rc = PAM_SESSION_ERR; + goto out; + } + } + } + rc = PAM_SUCCESS; +out: + (void) sigaction(SIGCHLD, &oldsa, NULL); + + return rc; +} + +static int create_polydir(struct polydir_s *polyptr, + struct instance_data *idata) +{ + mode_t mode; + int rc; +#ifdef WITH_SELINUX + char *dircon_raw, *oldcon_raw = NULL; + struct selabel_handle *label_handle; +#endif + const char *dir = polyptr->dir; + uid_t uid; + gid_t gid; + + if (polyptr->mode != (mode_t)ULONG_MAX) + mode = polyptr->mode; + else + mode = 0777; + +#ifdef WITH_SELINUX + if (idata->flags & PAMNS_SELINUX_ENABLED) { + getfscreatecon_raw(&oldcon_raw); + + label_handle = selabel_open(SELABEL_CTX_FILE, NULL, 0); + if (!label_handle) { + pam_syslog(idata->pamh, LOG_NOTICE, + "Unable to initialize SELinux labeling handle: %m"); + } else { + rc = selabel_lookup_raw(label_handle, &dircon_raw, dir, S_IFDIR); + if (rc) { + pam_syslog(idata->pamh, LOG_NOTICE, + "Unable to get default context for directory %s, check your policy: %m", dir); + } else { + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, + "Polydir %s context: %s", dir, dircon_raw); + if (setfscreatecon_raw(dircon_raw) != 0) + pam_syslog(idata->pamh, LOG_NOTICE, + "Error setting context for directory %s: %m", dir); + freecon(dircon_raw); + } + selabel_close(label_handle); + } + } +#endif + + rc = protect_dir(dir, mode, 1, idata); + if (rc == -1) { + pam_syslog(idata->pamh, LOG_ERR, + "Error creating directory %s: %m", dir); + return PAM_SESSION_ERR; + } + +#ifdef WITH_SELINUX + if (idata->flags & PAMNS_SELINUX_ENABLED) { + if (setfscreatecon_raw(oldcon_raw) != 0) + pam_syslog(idata->pamh, LOG_NOTICE, + "Error resetting fs create context: %m"); + freecon(oldcon_raw); + } +#endif + + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, "Created polydir %s", dir); + + if (polyptr->mode != (mode_t)ULONG_MAX) { + /* explicit mode requested */ + if (fchmod(rc, mode) != 0) { + pam_syslog(idata->pamh, LOG_ERR, + "Error changing mode of directory %s: %m", dir); + close(rc); + umount(dir); /* undo the eventual protection bind mount */ + rmdir(dir); + return PAM_SESSION_ERR; + } + } + + if (polyptr->owner != (uid_t)ULONG_MAX) + uid = polyptr->owner; + else + uid = idata->uid; + + if (polyptr->group != (gid_t)ULONG_MAX) + gid = polyptr->group; + else + gid = idata->gid; + + if (fchown(rc, uid, gid) != 0) { + pam_syslog(idata->pamh, LOG_ERR, + "Unable to change owner on directory %s: %m", dir); + close(rc); + umount(dir); /* undo the eventual protection bind mount */ + rmdir(dir); + return PAM_SESSION_ERR; + } + + close(rc); + + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, + "Polydir owner %u group %u", uid, gid); + + return PAM_SUCCESS; +} + +/* + * Create polyinstantiated instance directory (ipath). + */ +#ifdef WITH_SELINUX +static int create_instance(struct polydir_s *polyptr, char *ipath, struct stat *statbuf, + const char *icontext, const char *ocontext, + struct instance_data *idata) +#else +static int create_instance(struct polydir_s *polyptr, char *ipath, struct stat *statbuf, + struct instance_data *idata) +#endif +{ + struct stat newstatbuf; + int fd; + + /* + * Check to make sure instance parent is valid. + */ + if (check_inst_parent(ipath, idata)) + return PAM_SESSION_ERR; + + /* + * Create instance directory and set its security context to the context + * returned by the security policy. Set its mode and ownership + * attributes to match that of the original directory that is being + * polyinstantiated. + */ + + if (polyptr->method == TMPDIR) { + if (mkdtemp(polyptr->instance_prefix) == NULL) { + pam_syslog(idata->pamh, LOG_ERR, "Error creating temporary instance %s, %m", + polyptr->instance_prefix); + polyptr->method = NONE; /* do not clean up! */ + return PAM_SESSION_ERR; + } + /* copy the actual directory name to ipath */ + strcpy(ipath, polyptr->instance_prefix); + } else if (mkdir(ipath, S_IRUSR) < 0) { + if (errno == EEXIST) + return PAM_IGNORE; + else { + pam_syslog(idata->pamh, LOG_ERR, "Error creating %s, %m", + ipath); + return PAM_SESSION_ERR; + } + } + + /* Open a descriptor to it to prevent races */ + fd = open(ipath, O_DIRECTORY | O_RDONLY); + if (fd < 0) { + pam_syslog(idata->pamh, LOG_ERR, "Error opening %s, %m", ipath); + rmdir(ipath); + return PAM_SESSION_ERR; + } +#ifdef WITH_SELINUX + /* If SE Linux is disabled, no need to label it */ + if (idata->flags & PAMNS_SELINUX_ENABLED) { + /* If method is USER, icontext is NULL */ + if (icontext) { + if (fsetfilecon(fd, icontext) < 0) { + pam_syslog(idata->pamh, LOG_ERR, + "Error setting context of %s to %s", ipath, icontext); + close(fd); + rmdir(ipath); + return PAM_SESSION_ERR; + } + } else { + if (fsetfilecon(fd, ocontext) < 0) { + pam_syslog(idata->pamh, LOG_ERR, + "Error setting context of %s to %s", ipath, ocontext); + close(fd); + rmdir(ipath); + return PAM_SESSION_ERR; + } + } + } +#endif + if (fstat(fd, &newstatbuf) < 0) { + pam_syslog(idata->pamh, LOG_ERR, "Error stating %s, %m", + ipath); + close(fd); + rmdir(ipath); + return PAM_SESSION_ERR; + } + if (newstatbuf.st_uid != statbuf->st_uid || + newstatbuf.st_gid != statbuf->st_gid) { + if (fchown(fd, statbuf->st_uid, statbuf->st_gid) < 0) { + pam_syslog(idata->pamh, LOG_ERR, + "Error changing owner for %s, %m", + ipath); + close(fd); + rmdir(ipath); + return PAM_SESSION_ERR; + } + } + if (fchmod(fd, statbuf->st_mode & 07777) < 0) { + pam_syslog(idata->pamh, LOG_ERR, "Error changing mode for %s, %m", + ipath); + close(fd); + rmdir(ipath); + return PAM_SESSION_ERR; + } + close(fd); + return PAM_SUCCESS; +} + + +/* + * This function performs the namespace setup for a particular directory + * that is being polyinstantiated. It calls poly_name to create name of instance + * directory, calls create_instance to mkdir it with appropriate + * security attributes, and performs bind mount to setup the process + * namespace. + */ +static int ns_setup(struct polydir_s *polyptr, + struct instance_data *idata) +{ + int retval; + int newdir = 1; + char *inst_dir = NULL; + char *instname = NULL; + struct stat statbuf; +#ifdef WITH_SELINUX + char *instcontext = NULL, *origcontext = NULL; +#endif + + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, + "Set namespace for directory %s", polyptr->dir); + + retval = protect_dir(polyptr->dir, 0, 0, idata); + + if (retval < 0 && errno != ENOENT) { + pam_syslog(idata->pamh, LOG_ERR, "Polydir %s access error: %m", + polyptr->dir); + return PAM_SESSION_ERR; + } + + if (retval < 0) { + if ((polyptr->flags & POLYDIR_CREATE) && + create_polydir(polyptr, idata) != PAM_SUCCESS) + return PAM_SESSION_ERR; + } else { + close(retval); + } + + if (polyptr->method == TMPFS) { + if (mount("tmpfs", polyptr->dir, "tmpfs", polyptr->mount_flags, polyptr->mount_opts) < 0) { + pam_syslog(idata->pamh, LOG_ERR, "Error mounting tmpfs on %s, %m", + polyptr->dir); + return PAM_SESSION_ERR; + } + + if (polyptr->flags & POLYDIR_NOINIT) + return PAM_SUCCESS; + + return inst_init(polyptr, "tmpfs", idata, 1); + } + + if (stat(polyptr->dir, &statbuf) < 0) { + pam_syslog(idata->pamh, LOG_ERR, "Error stating %s: %m", + polyptr->dir); + return PAM_SESSION_ERR; + } + + /* + * Obtain the name of instance pathname based on the + * polyinstantiation method and instance context returned by + * security policy. + */ +#ifdef WITH_SELINUX + retval = poly_name(polyptr, &instname, &instcontext, + &origcontext, idata); +#else + retval = poly_name(polyptr, &instname, idata); +#endif + + if (retval != PAM_SUCCESS) { + if (retval != PAM_IGNORE) + pam_syslog(idata->pamh, LOG_ERR, "Error getting instance name"); + goto cleanup; + } else { +#ifdef WITH_SELINUX + if ((idata->flags & PAMNS_DEBUG) && + (idata->flags & PAMNS_SELINUX_ENABLED)) + pam_syslog(idata->pamh, LOG_DEBUG, "Inst ctxt %s Orig ctxt %s", + instcontext, origcontext); +#endif + } + + if (asprintf(&inst_dir, "%s%s", polyptr->instance_prefix, instname) < 0) + goto error_out; + + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, "instance_dir %s", + inst_dir); + + /* + * Create instance directory with appropriate security + * contexts, owner, group and mode bits. + */ +#ifdef WITH_SELINUX + retval = create_instance(polyptr, inst_dir, &statbuf, instcontext, + origcontext, idata); +#else + retval = create_instance(polyptr, inst_dir, &statbuf, idata); +#endif + + if (retval == PAM_IGNORE) { + newdir = 0; + retval = PAM_SUCCESS; + } + + if (retval != PAM_SUCCESS) { + goto error_out; + } + + /* + * Bind mount instance directory on top of the polyinstantiated + * directory to provide an instance of polyinstantiated directory + * based on polyinstantiated method. + */ + if (mount(inst_dir, polyptr->dir, NULL, MS_BIND, NULL) < 0) { + pam_syslog(idata->pamh, LOG_ERR, "Error mounting %s on %s, %m", + inst_dir, polyptr->dir); + goto error_out; + } + + if (!(polyptr->flags & POLYDIR_NOINIT)) + retval = inst_init(polyptr, inst_dir, idata, newdir); + + goto cleanup; + + /* + * various error exit points. Free allocated memory and set return + * value to indicate a pam session error. + */ +error_out: + retval = PAM_SESSION_ERR; + +cleanup: + free(inst_dir); + free(instname); +#ifdef WITH_SELINUX + freecon(instcontext); + freecon(origcontext); +#endif + return retval; +} + + +/* + * This function checks to see if the current working directory is + * inside the directory passed in as the first argument. + */ +static int cwd_in(char *dir, struct instance_data *idata) +{ + int retval = 0; + char cwd[PATH_MAX]; + + if (getcwd(cwd, PATH_MAX) == NULL) { + pam_syslog(idata->pamh, LOG_ERR, "Can't get current dir, %m"); + return -1; + } + + if (strncmp(cwd, dir, strlen(dir)) == 0) { + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, "cwd is inside %s", dir); + retval = 1; + } else { + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, "cwd is outside %s", dir); + } + + return retval; +} + +static int cleanup_tmpdirs(struct instance_data *idata) +{ + struct polydir_s *pptr; + pid_t rc, pid; + struct sigaction newsa, oldsa; + int status; + + memset(&newsa, '\0', sizeof(newsa)); + newsa.sa_handler = SIG_DFL; + if (sigaction(SIGCHLD, &newsa, &oldsa) == -1) { + pam_syslog(idata->pamh, LOG_ERR, "Cannot set signal value"); + return PAM_SESSION_ERR; + } + + for (pptr = idata->polydirs_ptr; pptr; pptr = pptr->next) { + if (pptr->method == TMPDIR && access(pptr->instance_prefix, F_OK) == 0) { + pid = fork(); + if (pid == 0) { + static char *envp[] = { NULL }; +#ifdef WITH_SELINUX + if (idata->flags & PAMNS_SELINUX_ENABLED) { + if (setexeccon(NULL) < 0) + _exit(1); + } +#endif + if (execle("/bin/rm", "/bin/rm", "-rf", pptr->instance_prefix, NULL, envp) < 0) + _exit(1); + } else if (pid > 0) { + while (((rc = waitpid(pid, &status, 0)) == (pid_t)-1) && + (errno == EINTR)); + if (rc == (pid_t)-1) { + pam_syslog(idata->pamh, LOG_ERR, "waitpid failed: %m"); + rc = PAM_SESSION_ERR; + goto out; + } + if (!WIFEXITED(status) || WIFSIGNALED(status) > 0) { + pam_syslog(idata->pamh, LOG_ERR, + "Error removing %s", pptr->instance_prefix); + } + } else if (pid < 0) { + pam_syslog(idata->pamh, LOG_ERR, + "Cannot fork to run namespace init script, %m"); + rc = PAM_SESSION_ERR; + goto out; + } + } + } + + rc = PAM_SUCCESS; +out: + sigaction(SIGCHLD, &oldsa, NULL); + return rc; +} + +/* + * This function checks to see if polyinstantiation is needed for any + * of the directories listed in the configuration file. If needed, + * cycles through all polyinstantiated directory entries and calls + * ns_setup to setup polyinstantiation for each one of them. + */ +static int setup_namespace(struct instance_data *idata, enum unmnt_op unmnt) +{ + int retval = 0, need_poly = 0, changing_dir = 0; + char *cptr, *fptr, poly_parent[PATH_MAX]; + struct polydir_s *pptr; + + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, "Set up namespace for pid %d", + getpid()); + + /* + * Cycle through all polyinstantiated directory entries to see if + * polyinstantiation is needed at all. + */ + for (pptr = idata->polydirs_ptr; pptr; pptr = pptr->next) { + if (ns_override(pptr, idata, idata->uid)) { + if (unmnt == NO_UNMNT || ns_override(pptr, idata, idata->ruid)) { + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, + "Overriding poly for user %d for dir %s", + idata->uid, pptr->dir); + } else { + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, + "Need unmount ns for user %d for dir %s", + idata->ruid, pptr->dir); + need_poly = 1; + break; + } + continue; + } else { + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, + "Need poly ns for user %d for dir %s", + idata->uid, pptr->dir); + need_poly = 1; + break; + } + } + + /* + * If polyinstantiation is needed, call the unshare system call to + * disassociate from the parent namespace. + */ + if (need_poly) { + if (unshare(CLONE_NEWNS) < 0) { + pam_syslog(idata->pamh, LOG_ERR, + "Unable to unshare from parent namespace, %m"); + return PAM_SESSION_ERR; + } + if (idata->flags & PAMNS_MOUNT_PRIVATE) { + /* + * Remount / as SLAVE so that nothing mounted in the namespace + * shows up in the parent + */ + if (mount("/", "/", NULL, MS_SLAVE | MS_REC , NULL) < 0) { + pam_syslog(idata->pamh, LOG_ERR, + "Failed to mark / as a slave mount point, %m"); + return PAM_SESSION_ERR; + } + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, + "The / mount point was marked as slave"); + } + } else { + del_polydir_list(idata->polydirs_ptr); + return PAM_SUCCESS; + } + + /* + * Again cycle through all polyinstantiated directories, this time, + * call ns_setup to setup polyinstantiation for a particular entry. + */ + for (pptr = idata->polydirs_ptr; pptr; pptr = pptr->next) { + enum unmnt_op dir_unmnt = unmnt; + + if (ns_override(pptr, idata, idata->ruid)) { + dir_unmnt = NO_UNMNT; + } + if (ns_override(pptr, idata, idata->uid)) { + if (dir_unmnt == NO_UNMNT) { + continue; + } else { + dir_unmnt = UNMNT_ONLY; + } + } + + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, + "Setting poly ns for user %d for dir %s", + idata->uid, pptr->dir); + + if ((dir_unmnt == UNMNT_REMNT) || (dir_unmnt == UNMNT_ONLY)) { + /* + * Check to see if process current directory is in the + * bind mounted instance_parent directory that we are trying to + * umount + */ + if ((changing_dir = cwd_in(pptr->rdir, idata)) < 0) { + retval = PAM_SESSION_ERR; + goto out; + } else if (changing_dir) { + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, "changing cwd"); + + /* + * Change current working directory to the parent of + * the mount point, that is parent of the orig + * directory where original contents of the polydir + * are available from + */ + strcpy(poly_parent, pptr->rdir); + fptr = strchr(poly_parent, '/'); + cptr = strrchr(poly_parent, '/'); + if (fptr && cptr && (fptr == cptr)) + strcpy(poly_parent, "/"); + else if (cptr) + *cptr = '\0'; + if (chdir(poly_parent) < 0) { + pam_syslog(idata->pamh, LOG_ERR, + "Can't chdir to %s, %m", poly_parent); + } + } + + if (umount(pptr->rdir) < 0) { + int saved_errno = errno; + pam_syslog(idata->pamh, LOG_ERR, "Unmount of %s failed, %m", + pptr->rdir); + if (saved_errno != EINVAL) { + retval = PAM_SESSION_ERR; + goto out; + } + } else if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, "Umount succeeded %s", + pptr->rdir); + } + + if (dir_unmnt != UNMNT_ONLY) { + retval = ns_setup(pptr, idata); + if (retval == PAM_IGNORE) + retval = PAM_SUCCESS; + if (retval != PAM_SUCCESS) + break; + } + } +out: + if (retval != PAM_SUCCESS) { + cleanup_tmpdirs(idata); + unprotect_dirs(idata->protect_dirs); + } else if (pam_set_data(idata->pamh, NAMESPACE_PROTECT_DATA, idata->protect_dirs, + cleanup_protect_data) != PAM_SUCCESS) { + pam_syslog(idata->pamh, LOG_ERR, "Unable to set namespace protect data"); + cleanup_tmpdirs(idata); + unprotect_dirs(idata->protect_dirs); + return PAM_SYSTEM_ERR; + } else if (pam_set_data(idata->pamh, NAMESPACE_POLYDIR_DATA, idata->polydirs_ptr, + cleanup_polydir_data) != PAM_SUCCESS) { + pam_syslog(idata->pamh, LOG_ERR, "Unable to set namespace polydir data"); + cleanup_tmpdirs(idata); + pam_set_data(idata->pamh, NAMESPACE_PROTECT_DATA, NULL, NULL); + idata->protect_dirs = NULL; + return PAM_SYSTEM_ERR; + } + return retval; +} + + +/* + * Orig namespace. This function is called from when closing a pam + * session. If authorized, it unmounts instance directory. + */ +static int orig_namespace(struct instance_data *idata) +{ + struct polydir_s *pptr; + + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, "orig namespace for pid %d", + getpid()); + + /* + * Cycle through all polyinstantiated directories from the namespace + * configuration file to see if polyinstantiation was performed for + * this user for each of the entry. If it was, try and unmount + * appropriate polyinstantiated instance directories. + */ + for (pptr = idata->polydirs_ptr; pptr; pptr = pptr->next) { + if (ns_override(pptr, idata, idata->uid)) + continue; + else { + if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, + "Unmounting instance dir for user %d & dir %s", + idata->uid, pptr->dir); + + if (umount(pptr->dir) < 0) { + pam_syslog(idata->pamh, LOG_ERR, "Unmount of %s failed, %m", + pptr->dir); + return PAM_SESSION_ERR; + } else if (idata->flags & PAMNS_DEBUG) + pam_syslog(idata->pamh, LOG_DEBUG, "Unmount of %s succeeded", + pptr->dir); + } + } + + cleanup_tmpdirs(idata); + return 0; +} + + +#ifdef WITH_SELINUX +/* + * This function checks if the calling program has requested context + * change by calling setexeccon(). If context change is not requested + * then it does not make sense to polyinstantiate based on context. + * The return value from this function is used when selecting the + * polyinstantiation method. If context change is not requested then + * the polyinstantiation method is set to USER, even if the configuration + * file lists the method as "context" or "level". + */ +static int ctxt_based_inst_needed(void) +{ + char *scon = NULL; + int rc = 0; + + rc = getexeccon(&scon); + if (rc < 0 || scon == NULL) + return 0; + else { + freecon(scon); + return 1; + } +} +#endif + +static int root_shared(void) +{ + FILE *f; + char *line = NULL; + size_t n = 0; + int rv = 0; + + f = fopen("/proc/self/mountinfo", "r"); + + if (f == NULL) + return 0; + + while(getline(&line, &n, f) != -1) { + char *l; + char *sptr; + int i; + + l = line; + sptr = NULL; + for (i = 0; i < 7; i++) { + char *tok; + + tok = strtok_r(l, " ", &sptr); + l = NULL; + if (tok == NULL) + /* next mountinfo line */ + break; + + if (i == 4 && strcmp(tok, "/") != 0) + /* next mountinfo line */ + break; + + if (i == 6) { + if (pam_str_skip_prefix(tok, "shared:") != NULL) + /* there might be more / mounts, the last one counts */ + rv = 1; + else + rv = 0; + } + } + } + + free(line); + fclose(f); + + return rv; +} + +static int get_user_data(struct instance_data *idata) +{ + int retval; + char *user_name; + struct passwd *pwd; + /* + * Lookup user and fill struct items + */ + retval = pam_get_item(idata->pamh, PAM_USER, (void*) &user_name ); + if ( user_name == NULL || retval != PAM_SUCCESS ) { + pam_syslog(idata->pamh, LOG_ERR, "Error recovering pam user name"); + return PAM_SESSION_ERR; + } + + pwd = pam_modutil_getpwnam(idata->pamh, user_name); + if (!pwd) { + pam_syslog(idata->pamh, LOG_ERR, "user unknown '%s'", user_name); + return PAM_USER_UNKNOWN; + } + + /* + * Add the user info to the instance data so we can refer to them later. + */ + idata->user[0] = 0; + strncat(idata->user, user_name, sizeof(idata->user) - 1); + idata->uid = pwd->pw_uid; + idata->gid = pwd->pw_gid; + + /* Fill in RUSER too */ + retval = pam_get_item(idata->pamh, PAM_RUSER, (void*) &user_name ); + if ( user_name != NULL && retval == PAM_SUCCESS && user_name[0] != '\0' ) { + strncat(idata->ruser, user_name, sizeof(idata->ruser) - 1); + pwd = pam_modutil_getpwnam(idata->pamh, user_name); + } else { + pwd = pam_modutil_getpwuid(idata->pamh, getuid()); + } + if (!pwd) { + pam_syslog(idata->pamh, LOG_ERR, "user unknown '%s'", user_name); + return PAM_USER_UNKNOWN; + } + user_name = pwd->pw_name; + + idata->ruser[0] = 0; + strncat(idata->ruser, user_name, sizeof(idata->ruser) - 1); + idata->ruid = pwd->pw_uid; + + return PAM_SUCCESS; +} + +/* + * Entry point from pam_open_session call. + */ +int pam_sm_open_session(pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + int i, retval; + struct instance_data idata; + enum unmnt_op unmnt = NO_UNMNT; + + /* init instance data */ + idata.flags = 0; + idata.polydirs_ptr = NULL; + idata.protect_dirs = NULL; + idata.pamh = pamh; +#ifdef WITH_SELINUX + if (is_selinux_enabled()) + idata.flags |= PAMNS_SELINUX_ENABLED; + if (ctxt_based_inst_needed()) + idata.flags |= PAMNS_CTXT_BASED_INST; +#endif + + /* Parse arguments. */ + for (i = 0; i < argc; i++) { + if (strcmp(argv[i], "debug") == 0) + idata.flags |= PAMNS_DEBUG; + if (strcmp(argv[i], "gen_hash") == 0) + idata.flags |= PAMNS_GEN_HASH; + if (strcmp(argv[i], "ignore_config_error") == 0) + idata.flags |= PAMNS_IGN_CONFIG_ERR; + if (strcmp(argv[i], "ignore_instance_parent_mode") == 0) + idata.flags |= PAMNS_IGN_INST_PARENT_MODE; + if (strcmp(argv[i], "use_current_context") == 0) { + idata.flags |= PAMNS_USE_CURRENT_CONTEXT; + idata.flags |= PAMNS_CTXT_BASED_INST; + } + if (strcmp(argv[i], "use_default_context") == 0) { + idata.flags |= PAMNS_USE_DEFAULT_CONTEXT; + idata.flags |= PAMNS_CTXT_BASED_INST; + } + if (strcmp(argv[i], "mount_private") == 0) { + idata.flags |= PAMNS_MOUNT_PRIVATE; + } + if (strcmp(argv[i], "unmnt_remnt") == 0) + unmnt = UNMNT_REMNT; + if (strcmp(argv[i], "unmnt_only") == 0) + unmnt = UNMNT_ONLY; + if (strcmp(argv[i], "require_selinux") == 0) { + if (!(idata.flags & PAMNS_SELINUX_ENABLED)) { + pam_syslog(idata.pamh, LOG_ERR, + "selinux_required option given and selinux is disabled"); + return PAM_SESSION_ERR; + } + } + } + if (idata.flags & PAMNS_DEBUG) + pam_syslog(idata.pamh, LOG_DEBUG, "open_session - start"); + + retval = get_user_data(&idata); + if (retval != PAM_SUCCESS) + return retval; + + if (root_shared()) { + idata.flags |= PAMNS_MOUNT_PRIVATE; + } + + /* + * Parse namespace configuration file which lists directories to + * polyinstantiate, directory where instance directories are to + * be created and the method used for polyinstantiation. + */ + retval = parse_config_file(&idata); + if (retval != PAM_SUCCESS) { + del_polydir_list(idata.polydirs_ptr); + return PAM_SESSION_ERR; + } + + if (idata.polydirs_ptr) { + retval = setup_namespace(&idata, unmnt); + if (idata.flags & PAMNS_DEBUG) { + if (retval) + pam_syslog(idata.pamh, LOG_DEBUG, + "namespace setup failed for pid %d", getpid()); + else + pam_syslog(idata.pamh, LOG_DEBUG, + "namespace setup ok for pid %d", getpid()); + } + } else if (idata.flags & PAMNS_DEBUG) + pam_syslog(idata.pamh, LOG_DEBUG, "Nothing to polyinstantiate"); + + if (retval != PAM_SUCCESS) + del_polydir_list(idata.polydirs_ptr); + return retval; +} + + +/* + * Entry point from pam_close_session call. + */ +int pam_sm_close_session(pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + int i, retval; + struct instance_data idata; + const void *polyptr; + + /* init instance data */ + idata.flags = 0; + idata.polydirs_ptr = NULL; + idata.pamh = pamh; +#ifdef WITH_SELINUX + if (is_selinux_enabled()) + idata.flags |= PAMNS_SELINUX_ENABLED; + if (ctxt_based_inst_needed()) + idata.flags |= PAMNS_CTXT_BASED_INST; +#endif + + /* Parse arguments. */ + for (i = 0; i < argc; i++) { + if (strcmp(argv[i], "debug") == 0) + idata.flags |= PAMNS_DEBUG; + if (strcmp(argv[i], "ignore_config_error") == 0) + idata.flags |= PAMNS_IGN_CONFIG_ERR; + if (strcmp(argv[i], "unmount_on_close") == 0) + idata.flags |= PAMNS_UNMOUNT_ON_CLOSE; + } + + if (idata.flags & PAMNS_DEBUG) + pam_syslog(idata.pamh, LOG_DEBUG, "close_session - start"); + + /* + * Normally the unmount is implicitly done when the last + * process in the private namespace exits. + * If it is ensured that there are no child processes left in + * the private namespace by other means and if there are + * multiple sessions opened and closed sequentially by the + * same process, the "unmount_on_close" option might be + * used to unmount the polydirs explicitly. + */ + if (!(idata.flags & PAMNS_UNMOUNT_ON_CLOSE)) { + pam_set_data(idata.pamh, NAMESPACE_POLYDIR_DATA, NULL, NULL); + pam_set_data(idata.pamh, NAMESPACE_PROTECT_DATA, NULL, NULL); + + if (idata.flags & PAMNS_DEBUG) + pam_syslog(idata.pamh, LOG_DEBUG, "close_session - successful"); + return PAM_SUCCESS; + } + + retval = get_user_data(&idata); + if (retval != PAM_SUCCESS) + return retval; + + retval = pam_get_data(idata.pamh, NAMESPACE_POLYDIR_DATA, &polyptr); + if (retval != PAM_SUCCESS || polyptr == NULL) + /* nothing to reset */ + return PAM_SUCCESS; + + DIAG_PUSH_IGNORE_CAST_QUAL; + idata.polydirs_ptr = (void *)polyptr; + DIAG_POP_IGNORE_CAST_QUAL; + + if (idata.flags & PAMNS_DEBUG) + pam_syslog(idata.pamh, LOG_DEBUG, "Resetting namespace for pid %d", + getpid()); + + retval = orig_namespace(&idata); + if (idata.flags & PAMNS_DEBUG) { + if (retval) + pam_syslog(idata.pamh, LOG_DEBUG, + "resetting namespace failed for pid %d", getpid()); + else + pam_syslog(idata.pamh, LOG_DEBUG, + "resetting namespace ok for pid %d", getpid()); + } + + pam_set_data(idata.pamh, NAMESPACE_POLYDIR_DATA, NULL, NULL); + pam_set_data(idata.pamh, NAMESPACE_PROTECT_DATA, NULL, NULL); + + return PAM_SUCCESS; +} diff --git a/modules/pam_namespace/pam_namespace.h b/modules/pam_namespace/pam_namespace.h new file mode 100644 index 0000000..b51f284 --- /dev/null +++ b/modules/pam_namespace/pam_namespace.h @@ -0,0 +1,192 @@ +/****************************************************************************** + * A module for Linux-PAM that will set the default namespace after + * establishing a session via PAM. + * + * (C) Copyright IBM Corporation 2005 + * (C) Copyright Red Hat 2006 + * All Rights Reserved. + * + * Written by: Janak Desai + * With Revisions by: Steve Grubb + * Derived from a namespace setup patch by Chad Sellers + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#if !(defined(linux)) +#error THIS CODE IS KNOWN TO WORK ONLY ON LINUX !!! +#endif + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "security/pam_modules.h" +#include "security/pam_modutil.h" +#include "security/pam_ext.h" +#include "md5.h" + +#ifdef WITH_SELINUX +#include +#include +#include +#include +#endif + +#ifndef CLONE_NEWNS +#define CLONE_NEWNS 0x00020000 /* Flag to create new namespace */ +#endif + +/* mount flags for mount_private */ +#ifndef MS_REC +#define MS_REC (1<<14) +#endif +#ifndef MS_PRIVATE +#define MS_PRIVATE (1<<18) +#endif +#ifndef MS_SLAVE +#define MS_SLAVE (1<<19) +#endif + + +/* + * Module defines + */ +#ifndef SECURECONF_DIR +#define SECURECONF_DIR "/etc/security/" +#endif + +#define PAM_NAMESPACE_CONFIG (SECURECONF_DIR "namespace.conf") +#define NAMESPACE_INIT_SCRIPT (SECURECONF_DIR "namespace.init") +#define NAMESPACE_D_DIR (SECURECONF_DIR "namespace.d/") +#define NAMESPACE_D_GLOB (SECURECONF_DIR "namespace.d/*.conf") + +/* module flags */ +#define PAMNS_DEBUG 0x00000100 /* Running in debug mode */ +#define PAMNS_SELINUX_ENABLED 0x00000400 /* SELinux is enabled */ +#define PAMNS_CTXT_BASED_INST 0x00000800 /* Context based instance needed */ +#define PAMNS_GEN_HASH 0x00002000 /* Generate md5 hash for inst names */ +#define PAMNS_IGN_CONFIG_ERR 0x00004000 /* Ignore format error in conf file */ +#define PAMNS_IGN_INST_PARENT_MODE 0x00008000 /* Ignore instance parent mode */ +#define PAMNS_UNMOUNT_ON_CLOSE 0x00010000 /* Unmount at session close */ +#define PAMNS_USE_CURRENT_CONTEXT 0x00020000 /* use getcon instead of getexeccon */ +#define PAMNS_USE_DEFAULT_CONTEXT 0x00040000 /* use get_default_context instead of getexeccon */ +#define PAMNS_MOUNT_PRIVATE 0x00080000 /* Make the polydir mounts private */ + +/* polydir flags */ +#define POLYDIR_EXCLUSIVE 0x00000001 /* polyinstatiate exclusively for override uids */ +#define POLYDIR_CREATE 0x00000002 /* create the polydir */ +#define POLYDIR_NOINIT 0x00000004 /* no init script */ +#define POLYDIR_SHARED 0x00000008 /* share context/level instances among users */ +#define POLYDIR_ISCRIPT 0x00000010 /* non default init script */ +#define POLYDIR_MNTOPTS 0x00000020 /* mount options for tmpfs mount */ + + +#define NAMESPACE_MAX_DIR_LEN 80 +#define NAMESPACE_POLYDIR_DATA "pam_namespace:polydir_data" +#define NAMESPACE_PROTECT_DATA "pam_namespace:protect_data" + +/* + * Polyinstantiation method options, based on user, security context + * or both + */ +enum polymethod { + NONE, + USER, + CONTEXT, + LEVEL, + TMPDIR, + TMPFS +}; + +/* + * Depending on the application using this namespace module, we + * may need to unmount previously bind mounted instance directory. + * Applications such as login and sshd, that establish a new + * session unmount of instance directory is not needed. For applications + * such as su and newrole, that switch the identity, this module + * has to unmount previous instance directory first and re-mount + * based on the new identity. For other trusted applications that + * just want to undo polyinstantiation, only unmount of previous + * instance directory is needed. + */ +enum unmnt_op { + NO_UNMNT, + UNMNT_REMNT, + UNMNT_ONLY, +}; + +/* + * Structure that holds information about a directory to polyinstantiate + */ +struct polydir_s { + char dir[PATH_MAX]; /* directory to polyinstantiate */ + char rdir[PATH_MAX]; /* directory to unmount (based on RUSER) */ + char instance_prefix[PATH_MAX]; /* prefix for instance dir path name */ + enum polymethod method; /* method used to polyinstantiate */ + unsigned int num_uids; /* number of override uids */ + uid_t *uid; /* list of override uids */ + unsigned int flags; /* polydir flags */ + char *init_script; /* path to init script */ + char *mount_opts; /* mount options for tmpfs mount */ + unsigned long mount_flags; /* mount flags for tmpfs mount */ + uid_t owner; /* user which should own the polydir */ + gid_t group; /* group which should own the polydir */ + mode_t mode; /* mode of the polydir */ + struct polydir_s *next; /* pointer to the next polydir entry */ +}; + +struct protect_dir_s { + char *dir; /* protected directory */ + struct protect_dir_s *next; /* next entry */ +}; + +struct instance_data { + pam_handle_t *pamh; /* The pam handle for this instance */ + struct polydir_s *polydirs_ptr; /* The linked list pointer */ + struct protect_dir_s *protect_dirs; /* The pointer to stack of mount-protected dirs */ + char user[LOGIN_NAME_MAX]; /* User name */ + char ruser[LOGIN_NAME_MAX]; /* Requesting user name */ + uid_t uid; /* The uid of the user */ + gid_t gid; /* The gid of the user's primary group */ + uid_t ruid; /* The uid of the requesting user */ + unsigned long flags; /* Flags for debug, selinux etc */ +}; diff --git a/modules/pam_namespace/pam_namespace.service.in b/modules/pam_namespace/pam_namespace.service.in new file mode 100644 index 0000000..e231191 --- /dev/null +++ b/modules/pam_namespace/pam_namespace.service.in @@ -0,0 +1,11 @@ +[Unit] +After=local-fs.target +Before=multi-user.target shutdown.target +Conflicts=shutdown.target +DefaultDependencies=no +Description=Make sure parent directories configured in @SCONFIGDIR@/namespace.conf for polyinstantiation exist +Documentation=man:pam_namespace(8) + +[Service] +ExecStart=@sbindir@/pam_namespace_helper +Type=oneshot diff --git a/modules/pam_namespace/pam_namespace_helper.8 b/modules/pam_namespace/pam_namespace_helper.8 new file mode 100644 index 0000000..df93df2 --- /dev/null +++ b/modules/pam_namespace/pam_namespace_helper.8 @@ -0,0 +1,49 @@ +'\" t +.\" Title: pam_namespace_helper +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_NAMESPACE_HELPER" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_namespace_helper \- Helper binary that creates home directories +.SH "SYNOPSIS" +.HP \w'\fBpam_namespace_helper\fR\ 'u +\fBpam_namespace_helper\fR +.SH "DESCRIPTION" +.PP +\fIpam_namespace_helper\fR +is a helper program for the +\fIpam_namespace\fR +module that sets up a private namespace for a session with polyinstantiated directories\&. The helper ensures that the namespace mount points exist before they are started to be used for the polyinstantiated directories\&. Mount points for home directories (lines with $HOME) are not created\&. +.PP +\fIpam_namespace_helper\fR +should be run by systemd at system startup\&. It should also be run by the administrator after defining the polyinstantiated directories but before enabling them\&. +.SH "SEE ALSO" +.PP +\fBpam_namespace\fR(8) +.SH "AUTHOR" +.PP +Written by Topi Miettinen\&. diff --git a/modules/pam_namespace/pam_namespace_helper.8.xml b/modules/pam_namespace/pam_namespace_helper.8.xml new file mode 100644 index 0000000..2f5adbe --- /dev/null +++ b/modules/pam_namespace/pam_namespace_helper.8.xml @@ -0,0 +1,62 @@ + + + + + + + pam_namespace_helper + 8 + Linux-PAM Manual + + + + pam_namespace_helper + Helper binary that creates home directories + + + + + pam_namespace_helper + + + + + + DESCRIPTION + + + pam_namespace_helper is a helper program + for the pam_namespace module that sets up a + private namespace for a session with polyinstantiated + directories. The helper ensures that the namespace mount points + exist before they are started to be used for the + polyinstantiated directories. Mount points for home directories + (lines with $HOME) are not created. + + + + pam_namespace_helper should be run by + systemd at system startup. It should also be run by the + administrator after defining the polyinstantiated directories + but before enabling them. + + + + + SEE ALSO + + + pam_namespace8 + + + + + + AUTHOR + + Written by Topi Miettinen. + + + + diff --git a/modules/pam_namespace/pam_namespace_helper.in b/modules/pam_namespace/pam_namespace_helper.in new file mode 100644 index 0000000..b9c361f --- /dev/null +++ b/modules/pam_namespace/pam_namespace_helper.in @@ -0,0 +1,15 @@ +#!/bin/sh + +CONF=@SCONFIGDIR@/namespace.conf + +# Match logic of process_line(), except lines with $HOME are ignored +# skip the leading white space, rip off the comments, ignore empty lines +sed -e 's/^[ ]*//g' -e 's/#.*//g' -e '/.*\$HOME.*/d' -e '/^$/d' < $CONF | \ + while read polydir instance_prefix method uids; do + if [ ! -e "$instance_prefix" ]; then + echo "mkdir $instance_prefix" + mkdir --parents --mode=0 -Z "$instance_prefix" + fi + done + +exit 0 diff --git a/modules/pam_namespace/tst-pam_namespace b/modules/pam_namespace/tst-pam_namespace new file mode 100755 index 0000000..c929dfc --- /dev/null +++ b/modules/pam_namespace/tst-pam_namespace @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_namespace.so diff --git a/modules/pam_nologin/Makefile.am b/modules/pam_nologin/Makefile.am new file mode 100644 index 0000000..d1ec203 --- /dev/null +++ b/modules/pam_nologin/Makefile.am @@ -0,0 +1,36 @@ +# +# Copyright (c) 2005, 2006, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_nologin.8 +endif +XMLS = README.xml pam_nologin.8.xml +dist_check_SCRIPTS = tst-pam_nologin +TESTS = $(dist_check_SCRIPTS) $(check_PROGRAMS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_nologin.la +pam_nologin_la_LIBADD = $(top_builddir)/libpam/libpam.la + +check_PROGRAMS = tst-pam_nologin-retval +tst_pam_nologin_retval_LDADD = $(top_builddir)/libpam/libpam.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_nologin/Makefile.in b/modules/pam_nologin/Makefile.in new file mode 100644 index 0000000..0e84bd6 --- /dev/null +++ b/modules/pam_nologin/Makefile.in @@ -0,0 +1,1181 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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The contents of the file are +displayed to the user. The pam_nologin module has no effect on the root user's +ability to log in. + +OPTIONS + +file=/path/nologin + + Use this file instead the default /var/run/nologin or /etc/nologin. + +successok + + Return PAM_SUCCESS if no file exists, the default is PAM_IGNORE. + +EXAMPLES + +The suggested usage for /etc/pam.d/login is: + +auth required pam_nologin.so + + +NOTES + +In order to make this module effective, all login methods should be secured by +it. It should be used as a required method listed before any sufficient methods +in order to get standard Unix nologin semantics. Note, the use of successok +module argument causes the module to return PAM_SUCCESS and as such would break +such a configuration - failing sufficient modules would lead to a successful +login because the nologin module succeeded. + +AUTHOR + +pam_nologin was written by Michael K. Johnson . + diff --git a/modules/pam_nologin/README.xml b/modules/pam_nologin/README.xml new file mode 100644 index 0000000..bc0808e --- /dev/null +++ b/modules/pam_nologin/README.xml @@ -0,0 +1,46 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_nologin.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_nologin-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_nologin/pam_nologin.8 b/modules/pam_nologin/pam_nologin.8 new file mode 100644 index 0000000..df0c255 --- /dev/null +++ b/modules/pam_nologin/pam_nologin.8 @@ -0,0 +1,130 @@ +'\" t +.\" Title: pam_nologin +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_NOLOGIN" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_nologin \- Prevent non\-root users from login +.SH "SYNOPSIS" +.HP \w'\fBpam_nologin\&.so\fR\ 'u +\fBpam_nologin\&.so\fR [file=\fI/path/nologin\fR] [successok] +.SH "DESCRIPTION" +.PP +pam_nologin is a PAM module that prevents users from logging into the system when +/var/run/nologin +or +/etc/nologin +exists\&. The contents of the file are displayed to the user\&. The pam_nologin module has no effect on the root user\*(Aqs ability to log in\&. +.SH "OPTIONS" +.PP +\fBfile=\fR\fB\fI/path/nologin\fR\fR +.RS 4 +Use this file instead the default +/var/run/nologin +or +/etc/nologin\&. +.RE +.PP +\fBsuccessok\fR +.RS 4 +Return PAM_SUCCESS if no file exists, the default is PAM_IGNORE\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +The +\fBauth\fR +and +\fBaccount\fR +module types are provided\&. +.SH "RETURN VALUES" +.PP +PAM_AUTH_ERR +.RS 4 +The user is not root and +/etc/nologin +exists, so the user is not permitted to log in\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_IGNORE +.RS 4 +This is the default return value\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Success: either the user is root or the nologin file does not exist\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +User not known to the underlying authentication module\&. +.RE +.SH "EXAMPLES" +.PP +The suggested usage for +/etc/pam\&.d/login +is: +.sp +.if n \{\ +.RS 4 +.\} +.nf +auth required pam_nologin\&.so + +.fi +.if n \{\ +.RE +.\} +.sp +.SH "NOTES" +.PP +In order to make this module effective, all login methods should be secured by it\&. It should be used as a +\fIrequired\fR +method listed before any +\fIsufficient\fR +methods in order to get standard Unix nologin semantics\&. Note, the use of +\fBsuccessok\fR +module argument causes the module to return +\fIPAM_SUCCESS\fR +and as such would break such a configuration \- failing +\fIsufficient\fR +modules would lead to a successful login because the nologin module +\fIsucceeded\fR\&. +.SH "SEE ALSO" +.PP +\fBnologin\fR(5), +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_nologin was written by Michael K\&. Johnson \&. diff --git a/modules/pam_nologin/pam_nologin.8.xml b/modules/pam_nologin/pam_nologin.8.xml new file mode 100644 index 0000000..c86e376 --- /dev/null +++ b/modules/pam_nologin/pam_nologin.8.xml @@ -0,0 +1,175 @@ + + + + + + + pam_nologin + 8 + Linux-PAM Manual + + + + pam_nologin + Prevent non-root users from login + + + + + pam_nologin.so + + file=/path/nologin + + + successok + + + + + + + DESCRIPTION + + + pam_nologin is a PAM module that prevents users from logging into + the system when /var/run/nologin or + /etc/nologin exists. The contents + of the file are displayed to the user. The pam_nologin module + has no effect on the root user's ability to log in. + + + + + + OPTIONS + + + + + + + + Use this file instead the default + /var/run/nologin or + /etc/nologin. + + + + + + + + + + Return PAM_SUCCESS if no file exists, the default is PAM_IGNORE. + + + + + + + + MODULE TYPES PROVIDED + + The and module + types are provided. + + + + + RETURN VALUES + + + PAM_AUTH_ERR + + + The user is not root and /etc/nologin + exists, so the user is not permitted to log in. + + + + + PAM_BUF_ERR + + Memory buffer error. + + + + PAM_IGNORE + + + This is the default return value. + + + + + PAM_SUCCESS + + + Success: either the user is root or the + nologin file does not exist. + + + + + PAM_USER_UNKNOWN + + + User not known to the underlying authentication module. + + + + + + + + EXAMPLES + + The suggested usage for /etc/pam.d/login is: + +auth required pam_nologin.so + + + + + NOTES + + In order to make this module effective, all login methods should be + secured by it. It should be used as a required + method listed before any sufficient methods in + order to get standard Unix nologin semantics. Note, the use of + module argument causes the module to + return PAM_SUCCESS and as such would break + such a configuration - failing sufficient modules + would lead to a successful login because the nologin module + succeeded. + + + + + SEE ALSO + + + nologin5 + , + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_nologin was written by Michael K. Johnson <johnsonm@redhat.com>. + + + + diff --git a/modules/pam_nologin/pam_nologin.c b/modules/pam_nologin/pam_nologin.c new file mode 100644 index 0000000..b7f9bab --- /dev/null +++ b/modules/pam_nologin/pam_nologin.c @@ -0,0 +1,163 @@ +/* + * pam_nologin module + * + * Written by Michael K. Johnson 1996/10/24 + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include "pam_inline.h" + +#define DEFAULT_NOLOGIN_PATH "/var/run/nologin" +#define COMPAT_NOLOGIN_PATH "/etc/nologin" + +/* + * parse some command line options + */ +struct opt_s { + int retval_when_nofile; + const char *nologin_file; +}; + +static void +parse_args(pam_handle_t *pamh, int argc, const char **argv, struct opt_s *opts) +{ + int i; + + memset(opts, 0, sizeof(*opts)); + + opts->retval_when_nofile = PAM_IGNORE; + + for (i=0; iretval_when_nofile = PAM_SUCCESS; + } else if ((str = pam_str_skip_prefix(argv[i], "file=")) != NULL) { + opts->nologin_file = str; + } else { + pam_syslog(pamh, LOG_ERR, "unknown option: %s", argv[i]); + } + } +} + +/* + * do the meat of the work for this module + */ + +static int perform_check(pam_handle_t *pamh, struct opt_s *opts) +{ + const char *username; + int retval = opts->retval_when_nofile; + int fd = -1; + + if ((pam_get_user(pamh, &username, NULL) != PAM_SUCCESS)) { + pam_syslog(pamh, LOG_NOTICE, "cannot determine user name"); + return PAM_USER_UNKNOWN; + } + + if (opts->nologin_file == NULL) { + if ((fd = open(DEFAULT_NOLOGIN_PATH, O_RDONLY, 0)) < 0) { + fd = open(COMPAT_NOLOGIN_PATH, O_RDONLY, 0); + } + } else { + fd = open(opts->nologin_file, O_RDONLY, 0); + } + + if (fd >= 0) { + + char *mtmp=NULL; + int msg_style = PAM_TEXT_INFO; + struct passwd *user_pwd; + struct stat st; + + user_pwd = pam_modutil_getpwnam(pamh, username); + if (user_pwd == NULL) { + retval = PAM_USER_UNKNOWN; + msg_style = PAM_ERROR_MSG; + } else if (user_pwd->pw_uid) { + retval = PAM_AUTH_ERR; + msg_style = PAM_ERROR_MSG; + } + + /* fill in message buffer with contents of /etc/nologin */ + if (fstat(fd, &st) < 0) { + /* give up trying to display message */ + goto clean_up_fd; + } + + mtmp = malloc(st.st_size+1); + if (!mtmp) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + retval = PAM_BUF_ERR; + goto clean_up_fd; + } + + if (pam_modutil_read(fd, mtmp, st.st_size) == st.st_size) { + mtmp[st.st_size] = '\0'; + (void) pam_prompt (pamh, msg_style, NULL, "%s", mtmp); + } + else + retval = PAM_SYSTEM_ERR; + + free(mtmp); + + clean_up_fd: + + close(fd); + } + + return retval; +} + +/* --- authentication management functions --- */ + +int +pam_sm_authenticate (pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + struct opt_s opts; + + parse_args(pamh, argc, argv, &opts); + + return perform_check(pamh, &opts); +} + +int +pam_sm_setcred (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc, const char **argv) +{ + struct opt_s opts; + + parse_args(pamh, argc, argv, &opts); + + return opts.retval_when_nofile; +} + +/* --- account management function --- */ + +int +pam_sm_acct_mgmt(pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + struct opt_s opts; + + parse_args(pamh, argc, argv, &opts); + + return perform_check(pamh, &opts); +} + +/* end of module definition */ diff --git a/modules/pam_nologin/tst-pam_nologin b/modules/pam_nologin/tst-pam_nologin new file mode 100755 index 0000000..caa91b6 --- /dev/null +++ b/modules/pam_nologin/tst-pam_nologin @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_nologin.so diff --git a/modules/pam_nologin/tst-pam_nologin-retval.c b/modules/pam_nologin/tst-pam_nologin-retval.c new file mode 100644 index 0000000..0046eec --- /dev/null +++ b/modules/pam_nologin/tst-pam_nologin-retval.c @@ -0,0 +1,226 @@ +/* + * Check pam_nologin return values. + * + * Copyright (c) 2020 Dmitry V. Levin + */ + +#include "test_assert.h" + +#include +#include +#include +#include +#include +#include + +#define MODULE_NAME "pam_nologin" +#define TEST_NAME "tst-" MODULE_NAME "-retval" + +static const char service_file[] = TEST_NAME ".service"; +static const char missing_file[] = TEST_NAME ".missing"; +static const char empty_file[] = "/dev/null"; +static const char user_name[] = ""; +static struct pam_conv conv; + +int +main(void) +{ + pam_handle_t *pamh = NULL; + FILE *fp; + struct passwd *pw; + char cwd[PATH_MAX]; + + ASSERT_NE(NULL, getcwd(cwd, sizeof(cwd))); + + /* PAM_IGNORE -> PAM_PERM_DENIED */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so file=%s\n" + "account required %s/.libs/%s.so file=%s\n" + "password required %s/.libs/%s.so file=%s\n" + "session required %s/.libs/%s.so file=%s\n", + cwd, MODULE_NAME, missing_file, + cwd, MODULE_NAME, missing_file, + cwd, MODULE_NAME, missing_file, + cwd, MODULE_NAME, missing_file)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, user_name, &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_PERM_DENIED, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_PERM_DENIED, pam_setcred(pamh, 0)); + ASSERT_EQ(PAM_PERM_DENIED, pam_acct_mgmt(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_open_session(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_close_session(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + /* PAM_IGNORE -> PAM_SUCCESS */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so file=%s\n" + "auth required %s/../pam_permit/.libs/pam_permit.so\n" + "account required %s/.libs/%s.so file=%s\n" + "account required %s/../pam_permit/.libs/pam_permit.so\n" + "password required %s/.libs/%s.so file=%s\n" + "password required %s/../pam_permit/.libs/pam_permit.so\n" + "session required %s/.libs/%s.so file=%s\n" + "session required %s/../pam_permit/.libs/pam_permit.so\n", + cwd, MODULE_NAME, missing_file, cwd, + cwd, MODULE_NAME, missing_file, cwd, + cwd, MODULE_NAME, missing_file, cwd, + cwd, MODULE_NAME, missing_file, cwd)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, user_name, &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SUCCESS, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_setcred(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_acct_mgmt(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_open_session(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_close_session(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + /* successok -> PAM_SUCCESS */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so successok file=%s\n" + "account required %s/.libs/%s.so successok file=%s\n" + "password required %s/.libs/%s.so successok file=%s\n" + "session required %s/.libs/%s.so successok file=%s\n", + cwd, MODULE_NAME, missing_file, + cwd, MODULE_NAME, missing_file, + cwd, MODULE_NAME, missing_file, + cwd, MODULE_NAME, missing_file)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, user_name, &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SUCCESS, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_setcred(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_acct_mgmt(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_open_session(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_close_session(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + /* PAM_USER_UNKNOWN */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so file=%s\n" + "account required %s/.libs/%s.so file=%s\n" + "password required %s/.libs/%s.so file=%s\n" + "session required %s/.libs/%s.so file=%s\n", + cwd, MODULE_NAME, empty_file, + cwd, MODULE_NAME, empty_file, + cwd, MODULE_NAME, empty_file, + cwd, MODULE_NAME, empty_file)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, user_name, &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_USER_UNKNOWN, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_PERM_DENIED, pam_setcred(pamh, 0)); + ASSERT_EQ(PAM_USER_UNKNOWN, pam_acct_mgmt(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_open_session(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_close_session(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + /* uid == 0 */ + if ((pw = getpwuid(0)) != NULL) { + /* successok -> PAM_SUCCESS */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so successok file=%s\n" + "account required %s/.libs/%s.so successok file=%s\n" + "password required %s/.libs/%s.so successok file=%s\n" + "session required %s/.libs/%s.so successok file=%s\n", + cwd, MODULE_NAME, empty_file, + cwd, MODULE_NAME, empty_file, + cwd, MODULE_NAME, empty_file, + cwd, MODULE_NAME, empty_file)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, pw->pw_name, + &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SUCCESS, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_setcred(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_acct_mgmt(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_open_session(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_close_session(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + /* PAM_SYSTEM_ERR */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so file=%s\n" + "account required %s/.libs/%s.so file=%s\n" + "password required %s/.libs/%s.so file=%s\n" + "session required %s/.libs/%s.so file=%s\n", + cwd, MODULE_NAME, ".", + cwd, MODULE_NAME, ".", + cwd, MODULE_NAME, ".", + cwd, MODULE_NAME, ".")); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, pw->pw_name, + &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SYSTEM_ERR, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_PERM_DENIED, pam_setcred(pamh, 0)); + ASSERT_EQ(PAM_SYSTEM_ERR, pam_acct_mgmt(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_open_session(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_close_session(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + } + + /* uid != 0 */ + if (geteuid() != 0 && (pw = getpwuid(geteuid())) != NULL) { + /* PAM_AUTH_ERR */ + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so file=%s\n" + "account required %s/.libs/%s.so file=%s\n" + "password required %s/.libs/%s.so file=%s\n" + "session required %s/.libs/%s.so file=%s\n", + cwd, MODULE_NAME, empty_file, + cwd, MODULE_NAME, empty_file, + cwd, MODULE_NAME, empty_file, + cwd, MODULE_NAME, empty_file)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, pw->pw_name, + &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_AUTH_ERR, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_PERM_DENIED, pam_setcred(pamh, 0)); + ASSERT_EQ(PAM_AUTH_ERR, pam_acct_mgmt(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_chauthtok(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_open_session(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_close_session(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + } + + ASSERT_EQ(0, unlink(service_file)); + + return 0; +} diff --git a/modules/pam_permit/Makefile.am b/modules/pam_permit/Makefile.am new file mode 100644 index 0000000..3fb4792 --- /dev/null +++ b/modules/pam_permit/Makefile.am @@ -0,0 +1,36 @@ +# +# Copyright (c) 2005, 2006, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_permit.8 +endif +XMLS = README.xml pam_permit.8.xml +dist_check_SCRIPTS = tst-pam_permit +TESTS = $(dist_check_SCRIPTS) $(check_PROGRAMS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_permit.la +pam_permit_la_LIBADD = $(top_builddir)/libpam/libpam.la + +check_PROGRAMS = tst-pam_permit-retval +tst_pam_permit_retval_LDADD = $(top_builddir)/libpam/libpam.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_permit/Makefile.in b/modules/pam_permit/Makefile.in new file mode 100644 index 0000000..1094172 --- /dev/null +++ b/modules/pam_permit/Makefile.in @@ -0,0 +1,1180 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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It does nothing else. + +In the case of authentication, the user's name will be set to nobody if the +application didn't set one. Many applications and PAM modules become confused +if this name is unknown. + +This module is very dangerous. It should be used with extreme caution. + +OPTIONS + +This module does not recognise any options. + +EXAMPLES + +Add this line to your other login entries to disable account management, but +continue to permit users to log in. + +account required pam_permit.so + + +AUTHOR + +pam_permit was written by Andrew G. Morgan, . + diff --git a/modules/pam_permit/README.xml b/modules/pam_permit/README.xml new file mode 100644 index 0000000..acb38b5 --- /dev/null +++ b/modules/pam_permit/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_permit.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_permit-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_permit/pam_permit.8 b/modules/pam_permit/pam_permit.8 new file mode 100644 index 0000000..88dff2b --- /dev/null +++ b/modules/pam_permit/pam_permit.8 @@ -0,0 +1,84 @@ +'\" t +.\" Title: pam_permit +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_PERMIT" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_permit \- The promiscuous module +.SH "SYNOPSIS" +.HP \w'\fBpam_permit\&.so\fR\ 'u +\fBpam_permit\&.so\fR +.SH "DESCRIPTION" +.PP +pam_permit is a PAM module that always permit access\&. It does nothing else\&. +.PP +In the case of authentication, the user\*(Aqs name will be set to +\fInobody\fR +if the application didn\*(Aqt set one\&. Many applications and PAM modules become confused if this name is unknown\&. +.PP +This module is very dangerous\&. It should be used with extreme caution\&. +.SH "OPTIONS" +.PP +This module does not recognise any options\&. +.SH "MODULE TYPES PROVIDED" +.PP +The +\fBauth\fR, +\fBaccount\fR, +\fBpassword\fR +and +\fBsession\fR +module types are provided\&. +.SH "RETURN VALUES" +.PP +PAM_SUCCESS +.RS 4 +This module always returns this value\&. +.RE +.SH "EXAMPLES" +.PP +Add this line to your other login entries to disable account management, but continue to permit users to log in\&. +.sp +.if n \{\ +.RS 4 +.\} +.nf +account required pam_permit\&.so + +.fi +.if n \{\ +.RE +.\} +.sp +.SH "SEE ALSO" +.PP +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_permit was written by Andrew G\&. Morgan, \&. diff --git a/modules/pam_permit/pam_permit.8.xml b/modules/pam_permit/pam_permit.8.xml new file mode 100644 index 0000000..6bb4965 --- /dev/null +++ b/modules/pam_permit/pam_permit.8.xml @@ -0,0 +1,106 @@ + + + + + + + pam_permit + 8 + Linux-PAM Manual + + + + pam_permit + The promiscuous module + + + + + pam_permit.so + + + + + + DESCRIPTION + + + pam_permit is a PAM module that always permit access. It does + nothing else. + + + In the case of authentication, the user's name will be set to + nobody if the application didn't set one. + Many applications and PAM modules become confused if this name + is unknown. + + + This module is very dangerous. It should be used with extreme + caution. + + + + + + OPTIONS + This module does not recognise any options. + + + + MODULE TYPES PROVIDED + + The , , + and + module types are provided. + + + + + RETURN VALUES + + + PAM_SUCCESS + + + This module always returns this value. + + + + + + + + EXAMPLES + + Add this line to your other login entries to disable account + management, but continue to permit users to log in. + +account required pam_permit.so + + + + + + SEE ALSO + + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_permit was written by Andrew G. Morgan, <morgan@kernel.org>. + + + + diff --git a/modules/pam_permit/pam_permit.c b/modules/pam_permit/pam_permit.c new file mode 100644 index 0000000..4f97368 --- /dev/null +++ b/modules/pam_permit/pam_permit.c @@ -0,0 +1,84 @@ +/* + * pam_permit module + * + * Written by Andrew Morgan 1996/3/11 + */ + +#include "config.h" +#include + +#include +#include + +#define DEFAULT_USER "nobody" + +/* --- authentication management functions --- */ + +int +pam_sm_authenticate(pam_handle_t *pamh, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + int retval; + const char *user=NULL; + + /* + * authentication requires we know who the user wants to be + */ + retval = pam_get_user(pamh, &user, NULL); + if (retval != PAM_SUCCESS) { + D(("get user returned error: %s", pam_strerror(pamh,retval))); + return retval; + } + if (*user == '\0') { + D(("username not known")); + retval = pam_set_item(pamh, PAM_USER, (const void *) DEFAULT_USER); + if (retval != PAM_SUCCESS) + return PAM_USER_UNKNOWN; + } + user = NULL; /* clean up */ + + return PAM_SUCCESS; +} + +int +pam_sm_setcred(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_SUCCESS; +} + +/* --- account management functions --- */ + +int +pam_sm_acct_mgmt(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_SUCCESS; +} + +/* --- password management --- */ + +int +pam_sm_chauthtok(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_SUCCESS; +} + +/* --- session management --- */ + +int +pam_sm_open_session(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_SUCCESS; +} + +int +pam_sm_close_session(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_SUCCESS; +} + +/* end of module definition */ diff --git a/modules/pam_permit/tst-pam_permit b/modules/pam_permit/tst-pam_permit new file mode 100755 index 0000000..8adb427 --- /dev/null +++ b/modules/pam_permit/tst-pam_permit @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_permit.so diff --git a/modules/pam_permit/tst-pam_permit-retval.c b/modules/pam_permit/tst-pam_permit-retval.c new file mode 100644 index 0000000..33a789f --- /dev/null +++ b/modules/pam_permit/tst-pam_permit-retval.c @@ -0,0 +1,58 @@ +/* + * Check pam_permit return values. + * + * Copyright (c) 2020 Dmitry V. Levin + */ + +#include "test_assert.h" + +#include +#include +#include +#include +#include + +#define MODULE_NAME "pam_permit" +#define TEST_NAME "tst-" MODULE_NAME "-retval" + +static const char service_file[] = TEST_NAME ".service"; +static const char user_name[] = ""; +static struct pam_conv conv; + +int +main(void) +{ + pam_handle_t *pamh = NULL; + FILE *fp; + char cwd[PATH_MAX]; + + ASSERT_NE(NULL, getcwd(cwd, sizeof(cwd))); + + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so\n" + "account required %s/.libs/%s.so\n" + "password required %s/.libs/%s.so\n" + "session required %s/.libs/%s.so\n", + cwd, MODULE_NAME, + cwd, MODULE_NAME, + cwd, MODULE_NAME, + cwd, MODULE_NAME)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, user_name, &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SUCCESS, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_setcred(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_acct_mgmt(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_chauthtok(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_open_session(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_close_session(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(0, unlink(service_file)); + + return 0; +} diff --git a/modules/pam_pwhistory/Makefile.am b/modules/pam_pwhistory/Makefile.am new file mode 100644 index 0000000..8a4dbcb --- /dev/null +++ b/modules/pam_pwhistory/Makefile.am @@ -0,0 +1,45 @@ +# +# Copyright (c) 2008, 2009 Thorsten Kukuk +# Copyright (c) 2013 Red Hat, Inc. +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_pwhistory.8 pwhistory_helper.8 +endif +XMLS = README.xml pam_pwhistory.8.xml pwhistory_helper.8.xml +dist_check_SCRIPTS = tst-pam_pwhistory +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) -DPWHISTORY_HELPER=\"$(sbindir)/pwhistory_helper\" + +pam_pwhistory_la_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + pam_pwhistory_la_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +noinst_HEADERS = opasswd.h + +securelib_LTLIBRARIES = pam_pwhistory.la +pam_pwhistory_la_CFLAGS = $(AM_CFLAGS) +pam_pwhistory_la_LIBADD = $(top_builddir)/libpam/libpam.la @LIBCRYPT@ @LIBSELINUX@ +pam_pwhistory_la_SOURCES = pam_pwhistory.c opasswd.c + +sbin_PROGRAMS = pwhistory_helper +pwhistory_helper_CFLAGS = $(AM_CFLAGS) -DHELPER_COMPILE=\"pwhistory_helper\" @EXE_CFLAGS@ +pwhistory_helper_SOURCES = pwhistory_helper.c opasswd.c +pwhistory_helper_LDFLAGS = @EXE_LDFLAGS@ +pwhistory_helper_LDADD = $(top_builddir)/libpam/libpam.la @LIBCRYPT@ + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_pwhistory/Makefile.in b/modules/pam_pwhistory/Makefile.in new file mode 100644 index 0000000..cf1082b --- /dev/null +++ b/modules/pam_pwhistory/Makefile.in @@ -0,0 +1,1289 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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In general, it does not make +much sense to use this module in conjunction with NIS or LDAP, since the old +passwords are stored on the local machine and are not available on another +machine for password history checking. + +OPTIONS + +debug + + Turns on debugging via syslog(3). + +use_authtok + + When password changing enforce the module to use the new password provided + by a previously stacked password module (this is used in the example of the + stacking of the pam_passwdqc module documented below). + +enforce_for_root + + If this option is set, the check is enforced for root, too. + +remember=N + + The last N passwords for each user are saved in /etc/security/opasswd. The + default is 10. Value of 0 makes the module to keep the existing contents of + the opasswd file unchanged. + +retry=N + + Prompt user at most N times before returning with error. The default is 1. + +authtok_type=STRING + + See pam_get_authtok(3) for more details. + +EXAMPLES + +An example password section would be: + +#%PAM-1.0 +password required pam_pwhistory.so +password required pam_unix.so use_authtok + + +In combination with pam_passwdqc: + +#%PAM-1.0 +password required pam_passwdqc.so config=/etc/passwdqc.conf +password required pam_pwhistory.so use_authtok +password required pam_unix.so use_authtok + + +AUTHOR + +pam_pwhistory was written by Thorsten Kukuk + diff --git a/modules/pam_pwhistory/README.xml b/modules/pam_pwhistory/README.xml new file mode 100644 index 0000000..f048e32 --- /dev/null +++ b/modules/pam_pwhistory/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_pwhistory.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_pwhistory-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_pwhistory/opasswd.c b/modules/pam_pwhistory/opasswd.c new file mode 100644 index 0000000..a6cd3d2 --- /dev/null +++ b/modules/pam_pwhistory/opasswd.c @@ -0,0 +1,564 @@ +/* + * Copyright (c) 2008 Thorsten Kukuk + * Copyright (c) 2013 Red Hat, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#if defined(HAVE_CONFIG_H) +#include +#endif + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#ifdef HELPER_COMPILE +#include +#endif +#include + +#ifdef HAVE_CRYPT_H +#include +#endif + +#ifdef HELPER_COMPILE +#define pam_modutil_getpwnam(h,n) getpwnam(n) +#define pam_modutil_getspnam(h,n) getspnam(n) +#define pam_syslog(h,a,...) helper_log_err(a,__VA_ARGS__) +#else +#include +#include +#endif +#include + +#include "opasswd.h" + +#ifndef RANDOM_DEVICE +#define RANDOM_DEVICE "/dev/urandom" +#endif + +#define OLD_PASSWORDS_FILE "/etc/security/opasswd" +#define TMP_PASSWORDS_FILE OLD_PASSWORDS_FILE".tmpXXXXXX" + +#define DEFAULT_BUFLEN 4096 + +typedef struct { + char *user; + char *uid; + int count; + char *old_passwords; +} opwd; + +#ifdef HELPER_COMPILE +PAM_FORMAT((printf, 2, 3)) +void +helper_log_err(int err, const char *format, ...) +{ + va_list args; + + va_start(args, format); + openlog(HELPER_COMPILE, LOG_CONS | LOG_PID, LOG_AUTHPRIV); + vsyslog(err, format, args); + va_end(args); + closelog(); +} +#endif + +static int +parse_entry (char *line, opwd *data) +{ + const char delimiters[] = ":"; + char *endptr; + char *count; + + data->user = strsep (&line, delimiters); + data->uid = strsep (&line, delimiters); + count = strsep (&line, delimiters); + if (count == NULL) + return 1; + + data->count = strtol (count, &endptr, 10); + if (endptr != NULL && *endptr != '\0') + return 1; + + data->old_passwords = strsep (&line, delimiters); + + return 0; +} + +static int +compare_password(const char *newpass, const char *oldpass) +{ + char *outval; +#ifdef HAVE_CRYPT_R + struct crypt_data output; + + output.initialized = 0; + + outval = crypt_r (newpass, oldpass, &output); +#else + outval = crypt (newpass, oldpass); +#endif + + return outval != NULL && strcmp(outval, oldpass) == 0; +} + +/* Check, if the new password is already in the opasswd file. */ +PAMH_ARG_DECL(int +check_old_pass, const char *user, const char *newpass, int debug) +{ + int retval = PAM_SUCCESS; + FILE *oldpf; + char *buf = NULL; + size_t buflen = 0; + opwd entry; + int found = 0; + +#ifndef HELPER_COMPILE + if (SELINUX_ENABLED) + return PAM_PWHISTORY_RUN_HELPER; +#endif + + if ((oldpf = fopen (OLD_PASSWORDS_FILE, "r")) == NULL) + { + if (errno != ENOENT) + pam_syslog (pamh, LOG_ERR, "Cannot open %s: %m", OLD_PASSWORDS_FILE); + return PAM_SUCCESS; + } + + while (!feof (oldpf)) + { + char *cp, *tmp; +#if defined(HAVE_GETLINE) + ssize_t n = getline (&buf, &buflen, oldpf); +#elif defined (HAVE_GETDELIM) + ssize_t n = getdelim (&buf, &buflen, '\n', oldpf); +#else + ssize_t n; + + if (buf == NULL) + { + buflen = DEFAULT_BUFLEN; + buf = malloc (buflen); + if (buf == NULL) + return PAM_BUF_ERR; + } + buf[0] = '\0'; + fgets (buf, buflen - 1, oldpf); + n = strlen (buf); +#endif /* HAVE_GETLINE / HAVE_GETDELIM */ + cp = buf; + + if (n < 1) + break; + + tmp = strchr (cp, '#'); /* remove comments */ + if (tmp) + *tmp = '\0'; + while (isspace ((int)*cp)) /* remove spaces and tabs */ + ++cp; + if (*cp == '\0') /* ignore empty lines */ + continue; + + if (cp[strlen (cp) - 1] == '\n') + cp[strlen (cp) - 1] = '\0'; + + if (strncmp (cp, user, strlen (user)) == 0 && + cp[strlen (user)] == ':') + { + /* We found the line we needed */ + if (parse_entry (cp, &entry) == 0) + { + found = 1; + break; + } + } + } + + fclose (oldpf); + + if (found && entry.old_passwords) + { + const char delimiters[] = ","; + char *running; + char *oldpass; + + running = entry.old_passwords; + + do { + oldpass = strsep (&running, delimiters); + if (oldpass && strlen (oldpass) > 0 && + compare_password(newpass, oldpass) ) + { + if (debug) + pam_syslog (pamh, LOG_DEBUG, "New password already used"); + retval = PAM_AUTHTOK_ERR; + break; + } + } while (oldpass != NULL); + } + + if (buf) + free (buf); + + return retval; +} + +PAMH_ARG_DECL(int +save_old_pass, const char *user, int howmany, int debug UNUSED) +{ + char opasswd_tmp[] = TMP_PASSWORDS_FILE; + struct stat opasswd_stat; + FILE *oldpf, *newpf; + int newpf_fd; + int do_create = 0; + int retval = PAM_SUCCESS; + char *buf = NULL; + size_t buflen = 0; + int found = 0; + struct passwd *pwd; + const char *oldpass; + + pwd = pam_modutil_getpwnam (pamh, user); + if (pwd == NULL) + return PAM_USER_UNKNOWN; + + if (howmany <= 0) + return PAM_SUCCESS; + +#ifndef HELPER_COMPILE + if (SELINUX_ENABLED) + return PAM_PWHISTORY_RUN_HELPER; +#endif + + if ((strcmp(pwd->pw_passwd, "x") == 0) || + ((pwd->pw_passwd[0] == '#') && + (pwd->pw_passwd[1] == '#') && + (strcmp(pwd->pw_name, pwd->pw_passwd + 2) == 0))) + { + struct spwd *spw = pam_modutil_getspnam (pamh, user); + + if (spw == NULL) + return PAM_USER_UNKNOWN; + oldpass = spw->sp_pwdp; + } + else + oldpass = pwd->pw_passwd; + + if (oldpass == NULL || *oldpass == '\0') + return PAM_SUCCESS; + + if ((oldpf = fopen (OLD_PASSWORDS_FILE, "r")) == NULL) + { + if (errno == ENOENT) + { + pam_syslog (pamh, LOG_NOTICE, "Creating %s", + OLD_PASSWORDS_FILE); + do_create = 1; + } + else + { + pam_syslog (pamh, LOG_ERR, "Cannot open %s: %m", + OLD_PASSWORDS_FILE); + return PAM_AUTHTOK_ERR; + } + } + else if (fstat (fileno (oldpf), &opasswd_stat) < 0) + { + pam_syslog (pamh, LOG_ERR, "Cannot stat %s: %m", OLD_PASSWORDS_FILE); + fclose (oldpf); + return PAM_AUTHTOK_ERR; + } + + /* Open a temp passwd file */ + newpf_fd = mkstemp (opasswd_tmp); + if (newpf_fd == -1) + { + pam_syslog (pamh, LOG_ERR, "Cannot create %s temp file: %m", + OLD_PASSWORDS_FILE); + if (oldpf) + fclose (oldpf); + return PAM_AUTHTOK_ERR; + } + if (do_create) + { + if (fchmod (newpf_fd, S_IRUSR|S_IWUSR) != 0) + pam_syslog (pamh, LOG_ERR, + "Cannot set permissions of %s temp file: %m", + OLD_PASSWORDS_FILE); + if (fchown (newpf_fd, 0, 0) != 0) + pam_syslog (pamh, LOG_ERR, + "Cannot set owner/group of %s temp file: %m", + OLD_PASSWORDS_FILE); + } + else + { + if (fchmod (newpf_fd, opasswd_stat.st_mode) != 0) + pam_syslog (pamh, LOG_ERR, + "Cannot set permissions of %s temp file: %m", + OLD_PASSWORDS_FILE); + if (fchown (newpf_fd, opasswd_stat.st_uid, opasswd_stat.st_gid) != 0) + pam_syslog (pamh, LOG_ERR, + "Cannot set owner/group of %s temp file: %m", + OLD_PASSWORDS_FILE); + } + newpf = fdopen (newpf_fd, "w+"); + if (newpf == NULL) + { + pam_syslog (pamh, LOG_ERR, "Cannot fdopen %s: %m", opasswd_tmp); + if (oldpf) + fclose (oldpf); + close (newpf_fd); + retval = PAM_AUTHTOK_ERR; + goto error_opasswd; + } + + if (!do_create) + while (!feof (oldpf)) + { + char *cp, *tmp, *save; +#if defined(HAVE_GETLINE) + ssize_t n = getline (&buf, &buflen, oldpf); +#elif defined (HAVE_GETDELIM) + ssize_t n = getdelim (&buf, &buflen, '\n', oldpf); +#else + ssize_t n; + + if (buf == NULL) + { + buflen = DEFAULT_BUFLEN; + buf = malloc (buflen); + if (buf == NULL) + { + fclose (oldpf); + fclose (newpf); + retval = PAM_BUF_ERR; + goto error_opasswd; + } + } + buf[0] = '\0'; + fgets (buf, buflen - 1, oldpf); + n = strlen (buf); +#endif /* HAVE_GETLINE / HAVE_GETDELIM */ + + if (n < 1) + break; + + cp = buf; + save = strdup (buf); /* Copy to write the original data back. */ + if (save == NULL) + { + fclose (oldpf); + fclose (newpf); + retval = PAM_BUF_ERR; + goto error_opasswd; + } + + tmp = strchr (cp, '#'); /* remove comments */ + if (tmp) + *tmp = '\0'; + while (isspace ((int)*cp)) /* remove spaces and tabs */ + ++cp; + if (*cp == '\0') /* ignore empty lines */ + goto write_old_data; + + if (cp[strlen (cp) - 1] == '\n') + cp[strlen (cp) - 1] = '\0'; + + if (strncmp (cp, user, strlen (user)) == 0 && + cp[strlen (user)] == ':') + { + /* We found the line we needed */ + opwd entry; + + if (parse_entry (cp, &entry) == 0) + { + char *out = NULL; + + found = 1; + + /* Don't save the current password twice */ + if (entry.old_passwords && entry.old_passwords[0] != '\0') + { + char *last = entry.old_passwords; + + cp = entry.old_passwords; + entry.count = 1; /* Don't believe the count */ + while ((cp = strchr (cp, ',')) != NULL) + { + entry.count++; + last = ++cp; + } + + /* compare the last password */ + if (strcmp (last, oldpass) == 0) + goto write_old_data; + } + else + entry.count = 0; + + /* increase count. */ + entry.count++; + + /* check that we don't remember to many passwords. */ + while (entry.count > howmany && entry.count > 1) + { + char *p = strpbrk (entry.old_passwords, ","); + if (p != NULL) + entry.old_passwords = ++p; + entry.count--; + } + + if (entry.count == 1) + { + if (asprintf (&out, "%s:%s:%d:%s\n", + entry.user, entry.uid, entry.count, + oldpass) < 0) + { + free (save); + retval = PAM_AUTHTOK_ERR; + fclose (oldpf); + fclose (newpf); + goto error_opasswd; + } + } + else + { + if (asprintf (&out, "%s:%s:%d:%s,%s\n", + entry.user, entry.uid, entry.count, + entry.old_passwords, oldpass) < 0) + { + free (save); + retval = PAM_AUTHTOK_ERR; + fclose (oldpf); + fclose (newpf); + goto error_opasswd; + } + } + + if (fputs (out, newpf) < 0) + { + free (out); + free (save); + retval = PAM_AUTHTOK_ERR; + fclose (oldpf); + fclose (newpf); + goto error_opasswd; + } + free (out); + } + } + else + { + write_old_data: + if (fputs (save, newpf) < 0) + { + free (save); + retval = PAM_AUTHTOK_ERR; + fclose (oldpf); + fclose (newpf); + goto error_opasswd; + } + } + free (save); + } + + if (!found) + { + char *out; + + if (asprintf (&out, "%s:%d:1:%s\n", user, pwd->pw_uid, oldpass) < 0) + { + retval = PAM_AUTHTOK_ERR; + if (oldpf) + fclose (oldpf); + fclose (newpf); + goto error_opasswd; + } + if (fputs (out, newpf) < 0) + { + free (out); + retval = PAM_AUTHTOK_ERR; + if (oldpf) + fclose (oldpf); + fclose (newpf); + goto error_opasswd; + } + free (out); + } + + if (oldpf) + if (fclose (oldpf) != 0) + { + pam_syslog (pamh, LOG_ERR, "Error while closing old opasswd file: %m"); + retval = PAM_AUTHTOK_ERR; + fclose (newpf); + goto error_opasswd; + } + + if (fflush (newpf) != 0 || fsync (fileno (newpf)) != 0) + { + pam_syslog (pamh, LOG_ERR, + "Error while syncing temporary opasswd file: %m"); + retval = PAM_AUTHTOK_ERR; + fclose (newpf); + goto error_opasswd; + } + + if (fclose (newpf) != 0) + { + pam_syslog (pamh, LOG_ERR, + "Error while closing temporary opasswd file: %m"); + retval = PAM_AUTHTOK_ERR; + goto error_opasswd; + } + + unlink (OLD_PASSWORDS_FILE".old"); + if (link (OLD_PASSWORDS_FILE, OLD_PASSWORDS_FILE".old") != 0 && + errno != ENOENT) + pam_syslog (pamh, LOG_ERR, "Cannot create backup file of %s: %m", + OLD_PASSWORDS_FILE); + rename (opasswd_tmp, OLD_PASSWORDS_FILE); + error_opasswd: + unlink (opasswd_tmp); + free (buf); + + return retval; +} diff --git a/modules/pam_pwhistory/opasswd.h b/modules/pam_pwhistory/opasswd.h new file mode 100644 index 0000000..3f25728 --- /dev/null +++ b/modules/pam_pwhistory/opasswd.h @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2008 Thorsten Kukuk + * Copyright (c) 2013 Red Hat, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __OPASSWD_H__ +#define __OPASSWD_H__ + +#define PAM_PWHISTORY_RUN_HELPER PAM_CRED_INSUFFICIENT + +#ifdef WITH_SELINUX +#include +#define SELINUX_ENABLED (is_selinux_enabled()>0) +#else +#define SELINUX_ENABLED 0 +#endif + +#ifdef HELPER_COMPILE +#define PAMH_ARG_DECL(fname, ...) fname(__VA_ARGS__) +#else +#define PAMH_ARG_DECL(fname, ...) fname(pam_handle_t *pamh, __VA_ARGS__) +#endif + +#ifdef HELPER_COMPILE +void +helper_log_err(int err, const char *format, ...); +#endif + +PAMH_ARG_DECL(int +check_old_pass, const char *user, const char *newpass, int debug); + +PAMH_ARG_DECL(int +save_old_pass, const char *user, int howmany, int debug); + +#endif /* __OPASSWD_H__ */ diff --git a/modules/pam_pwhistory/pam_pwhistory.8 b/modules/pam_pwhistory/pam_pwhistory.8 new file mode 100644 index 0000000..bdbd6c8 --- /dev/null +++ b/modules/pam_pwhistory/pam_pwhistory.8 @@ -0,0 +1,163 @@ +'\" t +.\" Title: pam_pwhistory +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_PWHISTORY" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_pwhistory \- PAM module to remember last passwords +.SH "SYNOPSIS" +.HP \w'\fBpam_pwhistory\&.so\fR\ 'u +\fBpam_pwhistory\&.so\fR [debug] [use_authtok] [enforce_for_root] [remember=\fIN\fR] [retry=\fIN\fR] [authtok_type=\fISTRING\fR] +.SH "DESCRIPTION" +.PP +This module saves the last passwords for each user in order to force password change history and keep the user from alternating between the same password too frequently\&. +.PP +This module does not work together with kerberos\&. In general, it does not make much sense to use this module in conjunction with NIS or LDAP, since the old passwords are stored on the local machine and are not available on another machine for password history checking\&. +.SH "OPTIONS" +.PP +\fBdebug\fR +.RS 4 +Turns on debugging via +\fBsyslog\fR(3)\&. +.RE +.PP +\fBuse_authtok\fR +.RS 4 +When password changing enforce the module to use the new password provided by a previously stacked +\fBpassword\fR +module (this is used in the example of the stacking of the +\fBpam_passwdqc\fR +module documented below)\&. +.RE +.PP +\fBenforce_for_root\fR +.RS 4 +If this option is set, the check is enforced for root, too\&. +.RE +.PP +\fBremember=\fR\fB\fIN\fR\fR +.RS 4 +The last +\fIN\fR +passwords for each user are saved in +/etc/security/opasswd\&. The default is +\fI10\fR\&. Value of +\fI0\fR +makes the module to keep the existing contents of the +opasswd +file unchanged\&. +.RE +.PP +\fBretry=\fR\fB\fIN\fR\fR +.RS 4 +Prompt user at most +\fIN\fR +times before returning with error\&. The default is +\fI1\fR\&. +.RE +.PP +\fBauthtok_type=\fR\fB\fISTRING\fR\fR +.RS 4 +See +\fBpam_get_authtok\fR(3) +for more details\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +Only the +\fBpassword\fR +module type is provided\&. +.SH "RETURN VALUES" +.PP +PAM_AUTHTOK_ERR +.RS 4 +No new password was entered, the user aborted password change or new password couldn\*(Aqt be set\&. +.RE +.PP +PAM_IGNORE +.RS 4 +Password history was disabled\&. +.RE +.PP +PAM_MAXTRIES +.RS 4 +Password was rejected too often\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +User is not known to system\&. +.RE +.SH "EXAMPLES" +.PP +An example password section would be: +.sp +.if n \{\ +.RS 4 +.\} +.nf +#%PAM\-1\&.0 +password required pam_pwhistory\&.so +password required pam_unix\&.so use_authtok + +.fi +.if n \{\ +.RE +.\} +.PP +In combination with +\fBpam_passwdqc\fR: +.sp +.if n \{\ +.RS 4 +.\} +.nf +#%PAM\-1\&.0 +password required pam_passwdqc\&.so config=/etc/passwdqc\&.conf +password required pam_pwhistory\&.so use_authtok +password required pam_unix\&.so use_authtok + +.fi +.if n \{\ +.RE +.\} +.sp +.SH "FILES" +.PP +/etc/security/opasswd +.RS 4 +File with password history +.RE +.SH "SEE ALSO" +.PP +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +\fBpam_get_authtok\fR(3) +.SH "AUTHOR" +.PP +pam_pwhistory was written by Thorsten Kukuk diff --git a/modules/pam_pwhistory/pam_pwhistory.8.xml b/modules/pam_pwhistory/pam_pwhistory.8.xml new file mode 100644 index 0000000..d88115c --- /dev/null +++ b/modules/pam_pwhistory/pam_pwhistory.8.xml @@ -0,0 +1,247 @@ + + + + + + + pam_pwhistory + 8 + Linux-PAM Manual + + + + pam_pwhistory + PAM module to remember last passwords + + + + + pam_pwhistory.so + + debug + + + use_authtok + + + enforce_for_root + + + remember=N + + + retry=N + + + authtok_type=STRING + + + + + + + + DESCRIPTION + + + This module saves the last passwords for each user in order + to force password change history and keep the user from + alternating between the same password too frequently. + + + This module does not work together with kerberos. In general, + it does not make much sense to use this module in conjunction + with NIS or LDAP, since the old passwords are stored on the + local machine and are not available on another machine for + password history checking. + + + + + OPTIONS + + + + + + + + Turns on debugging via + + syslog3 + . + + + + + + + + + + When password changing enforce the module to use the new password + provided by a previously stacked + module (this is used in the example of the stacking of the + pam_passwdqc module documented below). + + + + + + + + + + If this option is set, the check is enforced for root, too. + + + + + + + + + + The last N passwords for each + user are saved in /etc/security/opasswd. + The default is 10. Value of + 0 makes the module to keep the existing + contents of the opasswd file unchanged. + + + + + + + + + + Prompt user at most N times + before returning with error. The default is + 1. + + + + + + + + + + + See + pam_get_authtok3 + for more details. + + + + + + + + + MODULE TYPES PROVIDED + + Only the module type is provided. + + + + + RETURN VALUES + + + PAM_AUTHTOK_ERR + + + No new password was entered, the user aborted password + change or new password couldn't be set. + + + + + PAM_IGNORE + + + Password history was disabled. + + + + + PAM_MAXTRIES + + + Password was rejected too often. + + + + + PAM_USER_UNKNOWN + + + User is not known to system. + + + + + + + + EXAMPLES + + An example password section would be: + +#%PAM-1.0 +password required pam_pwhistory.so +password required pam_unix.so use_authtok + + + + In combination with pam_passwdqc: + +#%PAM-1.0 +password required pam_passwdqc.so config=/etc/passwdqc.conf +password required pam_pwhistory.so use_authtok +password required pam_unix.so use_authtok + + + + + + FILES + + + /etc/security/opasswd + + File with password history + + + + + + + SEE ALSO + + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + pam_get_authtok3 + + + + + + AUTHOR + + pam_pwhistory was written by Thorsten Kukuk <kukuk@thkukuk.de> + + + + diff --git a/modules/pam_pwhistory/pam_pwhistory.c b/modules/pam_pwhistory/pam_pwhistory.c new file mode 100644 index 0000000..ce2c21f --- /dev/null +++ b/modules/pam_pwhistory/pam_pwhistory.c @@ -0,0 +1,390 @@ +/* + * pam_pwhistory module + * + * Copyright (c) 2008, 2012 Thorsten Kukuk + * Author: Thorsten Kukuk + * Copyright (c) 2013 Red Hat, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#if defined(HAVE_CONFIG_H) +#include +#endif + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include "opasswd.h" +#include "pam_inline.h" + +struct options_t { + int debug; + int enforce_for_root; + int remember; + int tries; +}; +typedef struct options_t options_t; + + +static void +parse_option (pam_handle_t *pamh, const char *argv, options_t *options) +{ + const char *str; + + if (strcasecmp (argv, "try_first_pass") == 0) + /* ignore */; + else if (strcasecmp (argv, "use_first_pass") == 0) + /* ignore */; + else if (strcasecmp (argv, "use_authtok") == 0) + /* ignore, handled by pam_get_authtok */; + else if (strcasecmp (argv, "debug") == 0) + options->debug = 1; + else if ((str = pam_str_skip_icase_prefix(argv, "remember=")) != NULL) + { + options->remember = strtol(str, NULL, 10); + if (options->remember < 0) + options->remember = 0; + if (options->remember > 400) + options->remember = 400; + } + else if ((str = pam_str_skip_icase_prefix(argv, "retry=")) != NULL) + { + options->tries = strtol(str, NULL, 10); + if (options->tries < 0) + options->tries = 1; + } + else if (strcasecmp (argv, "enforce_for_root") == 0) + options->enforce_for_root = 1; + else if (pam_str_skip_icase_prefix(argv, "authtok_type=") != NULL) + { /* ignore, for pam_get_authtok */; } + else + pam_syslog (pamh, LOG_ERR, "pam_pwhistory: unknown option: %s", argv); +} + +static int +run_save_helper(pam_handle_t *pamh, const char *user, + int howmany, int debug) +{ + int retval, child; + struct sigaction newsa, oldsa; + + memset(&newsa, '\0', sizeof(newsa)); + newsa.sa_handler = SIG_DFL; + sigaction(SIGCHLD, &newsa, &oldsa); + + child = fork(); + if (child == 0) + { + static char *envp[] = { NULL }; + char *args[] = { NULL, NULL, NULL, NULL, NULL, NULL }; + + if (pam_modutil_sanitize_helper_fds(pamh, PAM_MODUTIL_PIPE_FD, + PAM_MODUTIL_PIPE_FD, + PAM_MODUTIL_PIPE_FD) < 0) + { + _exit(PAM_SYSTEM_ERR); + } + + /* exec binary helper */ + DIAG_PUSH_IGNORE_CAST_QUAL; + args[0] = (char *)PWHISTORY_HELPER; + args[1] = (char *)"save"; + args[2] = (char *)user; + DIAG_POP_IGNORE_CAST_QUAL; + if (asprintf(&args[3], "%d", howmany) < 0 || + asprintf(&args[4], "%d", debug) < 0) + { + pam_syslog(pamh, LOG_ERR, "asprintf: %m"); + _exit(PAM_SYSTEM_ERR); + } + + execve(args[0], args, envp); + + pam_syslog(pamh, LOG_ERR, "helper binary execve failed: %s: %m", args[0]); + + _exit(PAM_SYSTEM_ERR); + } + else if (child > 0) + { + /* wait for child */ + int rc = 0; + while ((rc = waitpid (child, &retval, 0)) == -1 && + errno == EINTR); + if (rc < 0) + { + pam_syslog(pamh, LOG_ERR, "pwhistory_helper save: waitpid: %m"); + retval = PAM_SYSTEM_ERR; + } + else if (!WIFEXITED(retval)) + { + pam_syslog(pamh, LOG_ERR, "pwhistory_helper save abnormal exit: %d", retval); + retval = PAM_SYSTEM_ERR; + } + else + { + retval = WEXITSTATUS(retval); + } + } + else + { + pam_syslog(pamh, LOG_ERR, "fork failed: %m"); + retval = PAM_SYSTEM_ERR; + } + + sigaction(SIGCHLD, &oldsa, NULL); /* restore old signal handler */ + + return retval; +} + +static int +run_check_helper(pam_handle_t *pamh, const char *user, + const char *newpass, int debug) +{ + int retval, child, fds[2]; + struct sigaction newsa, oldsa; + + /* create a pipe for the password */ + if (pipe(fds) != 0) + return PAM_SYSTEM_ERR; + + memset(&newsa, '\0', sizeof(newsa)); + newsa.sa_handler = SIG_DFL; + sigaction(SIGCHLD, &newsa, &oldsa); + + child = fork(); + if (child == 0) + { + static char *envp[] = { NULL }; + char *args[] = { NULL, NULL, NULL, NULL, NULL }; + + /* reopen stdin as pipe */ + if (dup2(fds[0], STDIN_FILENO) != STDIN_FILENO) + { + pam_syslog(pamh, LOG_ERR, "dup2 of %s failed: %m", "stdin"); + _exit(PAM_SYSTEM_ERR); + } + + if (pam_modutil_sanitize_helper_fds(pamh, PAM_MODUTIL_IGNORE_FD, + PAM_MODUTIL_PIPE_FD, + PAM_MODUTIL_PIPE_FD) < 0) + { + _exit(PAM_SYSTEM_ERR); + } + + /* exec binary helper */ + DIAG_PUSH_IGNORE_CAST_QUAL; + args[0] = (char *)PWHISTORY_HELPER; + args[1] = (char *)"check"; + args[2] = (char *)user; + DIAG_POP_IGNORE_CAST_QUAL; + if (asprintf(&args[3], "%d", debug) < 0) + { + pam_syslog(pamh, LOG_ERR, "asprintf: %m"); + _exit(PAM_SYSTEM_ERR); + } + + execve(args[0], args, envp); + + pam_syslog(pamh, LOG_ERR, "helper binary execve failed: %s: %m", args[0]); + + _exit(PAM_SYSTEM_ERR); + } + else if (child > 0) + { + /* wait for child */ + int rc = 0; + if (newpass == NULL) + newpass = ""; + + /* send the password to the child */ + if (write(fds[1], newpass, strlen(newpass)+1) == -1) + { + pam_syslog(pamh, LOG_ERR, "Cannot send password to helper: %m"); + retval = PAM_SYSTEM_ERR; + } + newpass = NULL; + close(fds[0]); /* close here to avoid possible SIGPIPE above */ + close(fds[1]); + while ((rc = waitpid (child, &retval, 0)) == -1 && + errno == EINTR); + if (rc < 0) + { + pam_syslog(pamh, LOG_ERR, "pwhistory_helper check: waitpid: %m"); + retval = PAM_SYSTEM_ERR; + } + else if (!WIFEXITED(retval)) + { + pam_syslog(pamh, LOG_ERR, "pwhistory_helper check abnormal exit: %d", retval); + retval = PAM_SYSTEM_ERR; + } + else + { + retval = WEXITSTATUS(retval); + } + } + else + { + pam_syslog(pamh, LOG_ERR, "fork failed: %m"); + close(fds[0]); + close(fds[1]); + retval = PAM_SYSTEM_ERR; + } + + sigaction(SIGCHLD, &oldsa, NULL); /* restore old signal handler */ + + return retval; +} + +/* This module saves the current hashed password in /etc/security/opasswd + and then compares the new password with all entries in this file. */ + +int +pam_sm_chauthtok (pam_handle_t *pamh, int flags, int argc, const char **argv) +{ + const char *newpass; + const char *user; + int retval, tries; + options_t options; + + memset (&options, 0, sizeof (options)); + + /* Set some default values, which could be overwritten later. */ + options.remember = 10; + options.tries = 1; + + /* Parse parameters for module */ + for ( ; argc-- > 0; argv++) + parse_option (pamh, *argv, &options); + + if (options.debug) + pam_syslog (pamh, LOG_DEBUG, "pam_sm_chauthtok entered"); + + + if (options.remember == 0) + return PAM_IGNORE; + + retval = pam_get_user (pamh, &user, NULL); + if (retval != PAM_SUCCESS) + return retval; + + if (flags & PAM_PRELIM_CHECK) + { + if (options.debug) + pam_syslog (pamh, LOG_DEBUG, + "pam_sm_chauthtok(PAM_PRELIM_CHECK)"); + + return PAM_SUCCESS; + } + + retval = save_old_pass (pamh, user, options.remember, options.debug); + + if (retval == PAM_PWHISTORY_RUN_HELPER) + retval = run_save_helper(pamh, user, options.remember, options.debug); + + if (retval != PAM_SUCCESS) + return retval; + + newpass = NULL; + tries = 0; + while ((newpass == NULL) && (tries < options.tries)) + { + retval = pam_get_authtok (pamh, PAM_AUTHTOK, &newpass, NULL); + if (retval != PAM_SUCCESS && retval != PAM_TRY_AGAIN) + { + if (retval == PAM_CONV_AGAIN) + retval = PAM_INCOMPLETE; + return retval; + } + tries++; + + if (options.debug) + { + if (newpass) + pam_syslog (pamh, LOG_DEBUG, "got new auth token"); + else + pam_syslog (pamh, LOG_DEBUG, "got no auth token"); + } + + if (newpass == NULL || retval == PAM_TRY_AGAIN) + continue; + + if (options.debug) + pam_syslog (pamh, LOG_DEBUG, "check against old password file"); + + retval = check_old_pass (pamh, user, newpass, options.debug); + if (retval == PAM_PWHISTORY_RUN_HELPER) + retval = run_check_helper(pamh, user, newpass, options.debug); + + if (retval != PAM_SUCCESS) + { + if (getuid() || options.enforce_for_root || + (flags & PAM_CHANGE_EXPIRED_AUTHTOK)) + { + pam_error (pamh, + _("Password has been already used. Choose another.")); + newpass = NULL; + /* Remove password item, else following module will use it */ + pam_set_item (pamh, PAM_AUTHTOK, (void *) NULL); + } + else + pam_info (pamh, + _("Password has been already used.")); + } + } + + if (newpass == NULL && tries >= options.tries) + { + if (options.debug) + pam_syslog (pamh, LOG_DEBUG, "Aborted, too many tries"); + return PAM_MAXTRIES; + } + + return PAM_SUCCESS; +} diff --git a/modules/pam_pwhistory/pwhistory_helper.8 b/modules/pam_pwhistory/pwhistory_helper.8 new file mode 100644 index 0000000..684b5b0 --- /dev/null +++ b/modules/pam_pwhistory/pwhistory_helper.8 @@ -0,0 +1,54 @@ +'\" t +.\" Title: pwhistory_helper +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PWHISTORY_HELPER" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pwhistory_helper \- Helper binary that transfers password hashes from passwd or shadow to opasswd +.SH "SYNOPSIS" +.HP \w'\fBpwhistory_helper\fR\ 'u +\fBpwhistory_helper\fR [\&.\&.\&.] +.SH "DESCRIPTION" +.PP +\fIpwhistory_helper\fR +is a helper program for the +\fIpam_pwhistory\fR +module that transfers password hashes from passwd or shadow file to the opasswd file and checks a password supplied by user against the existing hashes in the opasswd file\&. +.PP +The purpose of the helper is to enable tighter confinement of login and password changing services\&. The helper is thus called only when SELinux is enabled on the system\&. +.PP +The interface of the helper \- command line options, and input/output data format are internal to the +\fIpam_pwhistory\fR +module and it should not be called directly from applications\&. +.SH "SEE ALSO" +.PP +\fBpam_pwhistory\fR(8) +.SH "AUTHOR" +.PP +Written by Tomas Mraz based on the code originally in +\fIpam_pwhistory and pam_unix\fR +modules\&. diff --git a/modules/pam_pwhistory/pwhistory_helper.8.xml b/modules/pam_pwhistory/pwhistory_helper.8.xml new file mode 100644 index 0000000..a030176 --- /dev/null +++ b/modules/pam_pwhistory/pwhistory_helper.8.xml @@ -0,0 +1,68 @@ + + + + + + + pwhistory_helper + 8 + Linux-PAM Manual + + + + pwhistory_helper + Helper binary that transfers password hashes from passwd or shadow to opasswd + + + + + pwhistory_helper + + ... + + + + + + + DESCRIPTION + + + pwhistory_helper is a helper program for the + pam_pwhistory module that transfers password hashes + from passwd or shadow file to the opasswd file and checks a password + supplied by user against the existing hashes in the opasswd file. + + + + The purpose of the helper is to enable tighter confinement of + login and password changing services. The helper is thus called only + when SELinux is enabled on the system. + + + + The interface of the helper - command line options, and input/output + data format are internal to the pam_pwhistory + module and it should not be called directly from applications. + + + + + SEE ALSO + + + pam_pwhistory8 + + + + + + AUTHOR + + Written by Tomas Mraz based on the code originally in + pam_pwhistory and pam_unix modules. + + + + diff --git a/modules/pam_pwhistory/pwhistory_helper.c b/modules/pam_pwhistory/pwhistory_helper.c new file mode 100644 index 0000000..b08a14a --- /dev/null +++ b/modules/pam_pwhistory/pwhistory_helper.c @@ -0,0 +1,119 @@ +/* + * Copyright (c) 2013 Red Hat, Inc. + * Author: Tomas Mraz + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "opasswd.h" +#include "pam_inline.h" + + +static int +check_history(const char *user, const char *debug) +{ + char pass[PAM_MAX_RESP_SIZE + 1]; + char *passwords[] = { pass }; + int npass; + int dbg = atoi(debug); /* no need to be too fancy here */ + int retval; + + /* read the password from stdin (a pipe from the pam_pwhistory module) */ + npass = pam_read_passwords(STDIN_FILENO, 1, passwords); + + if (npass != 1) + { /* is it a valid password? */ + helper_log_err(LOG_DEBUG, "no password supplied"); + return PAM_AUTHTOK_ERR; + } + + retval = check_old_pass(user, pass, dbg); + + memset(pass, '\0', PAM_MAX_RESP_SIZE); /* clear memory of the password */ + + return retval; +} + +static int +save_history(const char *user, const char *howmany, const char *debug) +{ + int num = atoi(howmany); + int dbg = atoi(debug); /* no need to be too fancy here */ + int retval; + + retval = save_old_pass(user, num, dbg); + + return retval; +} + +int +main(int argc, char *argv[]) +{ + const char *option; + const char *user; + + /* + * we establish that this program is running with non-tty stdin. + * this is to discourage casual use. + */ + + if (isatty(STDIN_FILENO) || argc < 4) + { + fprintf(stderr, + "This binary is not designed for running in this way.\n"); + return PAM_SYSTEM_ERR; + } + + option = argv[1]; + user = argv[2]; + + if (strcmp(option, "check") == 0 && argc == 4) + return check_history(user, argv[3]); + else if (strcmp(option, "save") == 0 && argc == 5) + return save_history(user, argv[3], argv[4]); + + fprintf(stderr, "This binary is not designed for running in this way.\n"); + + return PAM_SYSTEM_ERR; +} diff --git a/modules/pam_pwhistory/tst-pam_pwhistory b/modules/pam_pwhistory/tst-pam_pwhistory new file mode 100755 index 0000000..3531a88 --- /dev/null +++ b/modules/pam_pwhistory/tst-pam_pwhistory @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_pwhistory.so diff --git a/modules/pam_rhosts/Makefile.am b/modules/pam_rhosts/Makefile.am new file mode 100644 index 0000000..cc3f2f2 --- /dev/null +++ b/modules/pam_rhosts/Makefile.am @@ -0,0 +1,33 @@ +# +# Copyright (c) 2005, 2006, 2008, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_rhosts.8 +endif +XMLS = README.xml pam_rhosts.8.xml +dist_check_SCRIPTS = tst-pam_rhosts +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_rhosts.la +pam_rhosts_la_LIBADD = $(top_builddir)/libpam/libpam.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_rhosts/Makefile.in b/modules/pam_rhosts/Makefile.in new file mode 100644 index 0000000..6cfb1ff --- /dev/null +++ b/modules/pam_rhosts/Makefile.in @@ -0,0 +1,1150 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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/etc/hosts.equiv (or and ~/.rhosts. Firstly, hosts listed in the former +file are treated as equivalent to the localhost. Secondly, entries in the +user's own copy of the latter file is used to map "remote-host remote-user" +pairs to that user's account on the current host. Access is granted to the user +if their host is present in /etc/hosts.equiv and their remote account is +identical to their local one, or if their remote account has an entry in their +personal configuration file. + +The module authenticates a remote user (internally specified by the item +PAM_RUSER connecting from the remote host (internally specified by the item +PAM_RHOST). Accordingly, for applications to be compatible this authentication +module they must set these items prior to calling pam_authenticate(). The +module is not capable of independently probing the network connection for such +information. + +OPTIONS + +debug + + Print debug information. + +silent + + Don't print informative messages. + +superuser=account + + Handle account as root. + +EXAMPLES + +To grant a remote user access by /etc/hosts.equiv or .rhosts for rsh add the +following lines to /etc/pam.d/rsh: + +#%PAM-1.0 +# +auth required pam_rhosts.so +auth required pam_nologin.so +auth required pam_env.so +auth required pam_unix.so + + +AUTHOR + +pam_rhosts was written by Thorsten Kukuk + diff --git a/modules/pam_rhosts/README.xml b/modules/pam_rhosts/README.xml new file mode 100644 index 0000000..5d3307e --- /dev/null +++ b/modules/pam_rhosts/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_rhosts.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_rhosts-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_rhosts/pam_rhosts.8 b/modules/pam_rhosts/pam_rhosts.8 new file mode 100644 index 0000000..61e9a44 --- /dev/null +++ b/modules/pam_rhosts/pam_rhosts.8 @@ -0,0 +1,128 @@ +'\" t +.\" Title: pam_rhosts +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_RHOSTS" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_rhosts \- The rhosts PAM module +.SH "SYNOPSIS" +.HP \w'\fBpam_rhosts\&.so\fR\ 'u +\fBpam_rhosts\&.so\fR +.SH "DESCRIPTION" +.PP +This module performs the standard network authentication for services, as used by traditional implementations of +\fBrlogin\fR +and +\fBrsh\fR +etc\&. +.PP +The authentication mechanism of this module is based on the contents of two files; +/etc/hosts\&.equiv +(or and +~/\&.rhosts\&. Firstly, hosts listed in the former file are treated as equivalent to the localhost\&. Secondly, entries in the user\*(Aqs own copy of the latter file is used to map "\fIremote\-host remote\-user\fR" pairs to that user\*(Aqs account on the current host\&. Access is granted to the user if their host is present in +/etc/hosts\&.equiv +and their remote account is identical to their local one, or if their remote account has an entry in their personal configuration file\&. +.PP +The module authenticates a remote user (internally specified by the item +\fIPAM_RUSER\fR +connecting from the remote host (internally specified by the item +\fBPAM_RHOST\fR)\&. Accordingly, for applications to be compatible this authentication module they must set these items prior to calling +\fBpam_authenticate()\fR\&. The module is not capable of independently probing the network connection for such information\&. +.SH "OPTIONS" +.PP +\fBdebug\fR +.RS 4 +Print debug information\&. +.RE +.PP +\fBsilent\fR +.RS 4 +Don\*(Aqt print informative messages\&. +.RE +.PP +\fBsuperuser=\fR\fB\fIaccount\fR\fR +.RS 4 +Handle +\fIaccount\fR +as root\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +Only the +\fBauth\fR +module type is provided\&. +.SH "RETURN VALUES" +.PP +PAM_AUTH_ERR +.RS 4 +The remote host, remote user name or the local user name couldn\*(Aqt be determined or access was denied by +\&.rhosts +file\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +User is not known to system\&. +.RE +.SH "EXAMPLES" +.PP +To grant a remote user access by +/etc/hosts\&.equiv +or +\&.rhosts +for +\fBrsh\fR +add the following lines to +/etc/pam\&.d/rsh: +.sp +.if n \{\ +.RS 4 +.\} +.nf +#%PAM\-1\&.0 +# +auth required pam_rhosts\&.so +auth required pam_nologin\&.so +auth required pam_env\&.so +auth required pam_unix\&.so + +.fi +.if n \{\ +.RE +.\} +.sp +.SH "SEE ALSO" +.PP +\fBrootok\fR(3), +\fBhosts.equiv\fR(5), +\fBrhosts\fR(5), +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_rhosts was written by Thorsten Kukuk diff --git a/modules/pam_rhosts/pam_rhosts.8.xml b/modules/pam_rhosts/pam_rhosts.8.xml new file mode 100644 index 0000000..eb96371 --- /dev/null +++ b/modules/pam_rhosts/pam_rhosts.8.xml @@ -0,0 +1,171 @@ + + + + + + + pam_rhosts + 8 + Linux-PAM Manual + + + + pam_rhosts + The rhosts PAM module + + + + + pam_rhosts.so + + + + + + DESCRIPTION + + + This module performs the standard network authentication for services, + as used by traditional implementations of rlogin + and rsh etc. + + + The authentication mechanism of this module is based on the contents + of two files; /etc/hosts.equiv (or + and ~/.rhosts. Firstly, hosts listed in the + former file are treated as equivalent to the localhost. Secondly, + entries in the user's own copy of the latter file is used to map + "remote-host remote-user" pairs to that user's + account on the current host. Access is granted to the user if their + host is present in /etc/hosts.equiv and their + remote account is identical to their local one, or if their remote + account has an entry in their personal configuration file. + + + The module authenticates a remote user (internally specified by the + item PAM_RUSER connecting from the remote + host (internally specified by the item PAM_RHOST). + Accordingly, for applications to be compatible this authentication + module they must set these items prior to calling + pam_authenticate(). The module is not capable + of independently probing the network connection for such information. + + + + + OPTIONS + + + + + + + + Print debug information. + + + + + + + + + + Don't print informative messages. + + + + + + + + + + Handle account as root. + + + + + + + + MODULE TYPES PROVIDED + + Only the module type is provided. + + + + + RETURN VALUES + + + PAM_AUTH_ERR + + + The remote host, remote user name or the local user name + couldn't be determined or access was denied by + .rhosts file. + + + + + PAM_USER_UNKNOWN + + + User is not known to system. + + + + + + + + EXAMPLES + + To grant a remote user access by /etc/hosts.equiv + or .rhosts for rsh add the + following lines to /etc/pam.d/rsh: + +#%PAM-1.0 +# +auth required pam_rhosts.so +auth required pam_nologin.so +auth required pam_env.so +auth required pam_unix.so + + + + + + SEE ALSO + + + rootok3 + , + + hosts.equiv5 + , + + rhosts5 + , + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_rhosts was written by Thorsten Kukuk <kukuk@thkukuk.de> + + + + diff --git a/modules/pam_rhosts/pam_rhosts.c b/modules/pam_rhosts/pam_rhosts.c new file mode 100644 index 0000000..a1b394d --- /dev/null +++ b/modules/pam_rhosts/pam_rhosts.c @@ -0,0 +1,142 @@ +/* + * pam_rhosts module + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#include "config.h" + +#include +#include +#include +#include +#include + +#include +#include +#include +#include "pam_inline.h" + +int pam_sm_authenticate (pam_handle_t *pamh, int flags, int argc, + const char **argv) +{ + const char *luser = NULL; + const char *ruser = NULL, *rhost = NULL; + const char *opt_superuser = NULL; + const void *c_void; + int opt_debug = 0; + int opt_silent; + int as_root; + int retval; + + opt_silent = flags & PAM_SILENT; + + while (argc-- > 0) { + const char *str; + + if (strcmp(*argv, "debug") == 0) + opt_debug = 1; + else if (strcmp (*argv, "silent") == 0 || strcmp(*argv, "suppress") == 0) + opt_silent = 1; + else if ((str = pam_str_skip_prefix(*argv, "superuser=")) != NULL) + opt_superuser = str; + else + pam_syslog(pamh, LOG_WARNING, "unrecognized option '%s'", *argv); + + ++argv; + } + + retval = pam_get_item (pamh, PAM_RHOST, &c_void); + if (retval != PAM_SUCCESS) { + pam_syslog(pamh, LOG_ERR, "could not get the remote host name"); + return retval; + } + rhost = c_void; + + retval = pam_get_item(pamh, PAM_RUSER, &c_void); + ruser = c_void; + if (retval != PAM_SUCCESS) { + pam_syslog(pamh, LOG_ERR, "could not get the remote username"); + return retval; + } + + retval = pam_get_user(pamh, &luser, NULL); + if (retval != PAM_SUCCESS) { + pam_syslog(pamh, LOG_NOTICE, "cannot determine local user name: %s", + pam_strerror(pamh, retval)); + return retval; + } + + if (rhost == NULL || ruser == NULL) + return PAM_AUTH_ERR; + + if (opt_superuser && strcmp(opt_superuser, luser) == 0) + as_root = 1; + else { + struct passwd *lpwd; + + lpwd = pam_modutil_getpwnam(pamh, luser); + if (lpwd == NULL) { + if (opt_debug) + /* don't print by default, could be the user's password */ + pam_syslog(pamh, LOG_DEBUG, + "user '%s' unknown to this system", luser); + return PAM_USER_UNKNOWN; + + } + as_root = (lpwd->pw_uid == 0); + } + +#ifdef HAVE_RUSEROK_AF + retval = ruserok_af (rhost, as_root, ruser, luser, PF_UNSPEC); +#else + retval = ruserok (rhost, as_root, ruser, luser); +#endif + if (retval != 0) { + if (!opt_silent || opt_debug) + pam_syslog(pamh, LOG_WARNING, "denied access to %s@%s as %s", + ruser, rhost, luser); + return PAM_AUTH_ERR; + } else { + if (!opt_silent || opt_debug) + pam_syslog(pamh, LOG_NOTICE, "allowed access to %s@%s as %s", + ruser, rhost, luser); + return PAM_SUCCESS; + } +} + + +int +pam_sm_setcred (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_SUCCESS; +} diff --git a/modules/pam_rhosts/tst-pam_rhosts b/modules/pam_rhosts/tst-pam_rhosts new file mode 100755 index 0000000..65e85a9 --- /dev/null +++ b/modules/pam_rhosts/tst-pam_rhosts @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_rhosts.so diff --git a/modules/pam_rootok/Makefile.am b/modules/pam_rootok/Makefile.am new file mode 100644 index 0000000..787218b --- /dev/null +++ b/modules/pam_rootok/Makefile.am @@ -0,0 +1,36 @@ +# +# Copyright (c) 2005, 2006, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_rootok.8 +endif +XMLS = README.xml pam_rootok.8.xml +dist_check_SCRIPTS = tst-pam_rootok +TESTS = $(dist_check_SCRIPTS) $(check_PROGRAMS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_rootok.la +pam_rootok_la_LIBADD = $(top_builddir)/libpam/libpam.la @LIBSELINUX@ @LIBAUDIT@ + +check_PROGRAMS = tst-pam_rootok-retval +tst_pam_rootok_retval_LDADD = $(top_builddir)/libpam/libpam.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_rootok/Makefile.in b/modules/pam_rootok/Makefile.in new file mode 100644 index 0000000..d4422af --- /dev/null +++ b/modules/pam_rootok/Makefile.in @@ -0,0 +1,1180 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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It is the real UID +that is checked. + +OPTIONS + +debug + + Print debug information. + +EXAMPLES + +In the case of the su(1) application the historical usage is to permit the +superuser to adopt the identity of a lesser user without the use of a password. +To obtain this behavior with PAM the following pair of lines are needed for the +corresponding entry in the /etc/pam.d/su configuration file: + +# su authentication. Root is granted access by default. +auth sufficient pam_rootok.so +auth required pam_unix.so + + +AUTHOR + +pam_rootok was written by Andrew G. Morgan, . + diff --git a/modules/pam_rootok/README.xml b/modules/pam_rootok/README.xml new file mode 100644 index 0000000..6fb58cd --- /dev/null +++ b/modules/pam_rootok/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_rootok.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_rootok-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_rootok/pam_rootok.8 b/modules/pam_rootok/pam_rootok.8 new file mode 100644 index 0000000..861a6a6 --- /dev/null +++ b/modules/pam_rootok/pam_rootok.8 @@ -0,0 +1,106 @@ +'\" t +.\" Title: pam_rootok +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_ROOTOK" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_rootok \- Gain only root access +.SH "SYNOPSIS" +.HP \w'\fBpam_rootok\&.so\fR\ 'u +\fBpam_rootok\&.so\fR [debug] +.SH "DESCRIPTION" +.PP +pam_rootok is a PAM module that authenticates the user if their +\fIUID\fR +is +\fI0\fR\&. Applications that are created setuid\-root generally retain the +\fIUID\fR +of the user but run with the authority of an enhanced effective\-UID\&. It is the real +\fIUID\fR +that is checked\&. +.SH "OPTIONS" +.PP +\fBdebug\fR +.RS 4 +Print debug information\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +The +\fBauth\fR, +\fBaccount\fR +and +\fBpassword\fR +module types are provided\&. +.SH "RETURN VALUES" +.PP +PAM_SUCCESS +.RS 4 +The +\fIUID\fR +is +\fI0\fR\&. +.RE +.PP +PAM_AUTH_ERR +.RS 4 +The +\fIUID\fR +is +\fBnot\fR +\fI0\fR\&. +.RE +.SH "EXAMPLES" +.PP +In the case of the +\fBsu\fR(1) +application the historical usage is to permit the superuser to adopt the identity of a lesser user without the use of a password\&. To obtain this behavior with PAM the following pair of lines are needed for the corresponding entry in the +/etc/pam\&.d/su +configuration file: +.sp +.if n \{\ +.RS 4 +.\} +.nf +# su authentication\&. Root is granted access by default\&. +auth sufficient pam_rootok\&.so +auth required pam_unix\&.so + +.fi +.if n \{\ +.RE +.\} +.sp +.SH "SEE ALSO" +.PP +\fBsu\fR(1), +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_rootok was written by Andrew G\&. Morgan, \&. diff --git a/modules/pam_rootok/pam_rootok.8.xml b/modules/pam_rootok/pam_rootok.8.xml new file mode 100644 index 0000000..06457bf --- /dev/null +++ b/modules/pam_rootok/pam_rootok.8.xml @@ -0,0 +1,131 @@ + + + + + + + pam_rootok + 8 + Linux-PAM Manual + + + + pam_rootok + Gain only root access + + + + + pam_rootok.so + + debug + + + + + + + DESCRIPTION + + + pam_rootok is a PAM module that authenticates the user if their + UID is 0. + Applications that are created setuid-root generally retain the + UID of the user but run with the authority + of an enhanced effective-UID. It is the real UID + that is checked. + + + + + OPTIONS + + + + + + + + Print debug information. + + + + + + + + MODULE TYPES PROVIDED + + The , and + module types are provided. + + + + + RETURN VALUES + + + PAM_SUCCESS + + + The UID is 0. + + + + + PAM_AUTH_ERR + + + The UID is not + 0. + + + + + + + + EXAMPLES + + In the case of the + su1 + application the historical usage is to + permit the superuser to adopt the identity of a lesser user + without the use of a password. To obtain this behavior with PAM + the following pair of lines are needed for the corresponding entry + in the /etc/pam.d/su configuration file: + +# su authentication. Root is granted access by default. +auth sufficient pam_rootok.so +auth required pam_unix.so + + + + + + SEE ALSO + + + su1 + , + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_rootok was written by Andrew G. Morgan, <morgan@kernel.org>. + + + + diff --git a/modules/pam_rootok/pam_rootok.c b/modules/pam_rootok/pam_rootok.c new file mode 100644 index 0000000..dd374c5 --- /dev/null +++ b/modules/pam_rootok/pam_rootok.c @@ -0,0 +1,174 @@ +/* + * pam_rootok module + * + * Written by Andrew Morgan 1996/3/11 + */ + +#include "config.h" + +#include +#include +#include +#include +#include + +#include +#include + +#ifdef WITH_SELINUX +#include +#include +#endif + +#ifdef HAVE_LIBAUDIT +#include +#endif + +/* argument parsing */ + +#define PAM_DEBUG_ARG 01 + +static int +_pam_parse (const pam_handle_t *pamh, int argc, const char **argv) +{ + int ctrl=0; + + /* step through arguments */ + for (ctrl=0; argc-- > 0; ++argv) { + + /* generic options */ + + if (!strcmp(*argv,"debug")) + ctrl |= PAM_DEBUG_ARG; + else { + pam_syslog(pamh, LOG_ERR, "unknown option: %s", *argv); + } + } + + return ctrl; +} + +#ifdef WITH_SELINUX +static int +PAM_FORMAT((printf, 2, 3)) +log_callback (int type UNUSED, const char *fmt, ...) +{ + int audit_fd; + va_list ap; + +#ifdef HAVE_LIBAUDIT + audit_fd = audit_open(); + + if (audit_fd >= 0) { + char *buf; + int ret; + + va_start(ap, fmt); + ret = vasprintf (&buf, fmt, ap); + va_end(ap); + if (ret < 0) { + return 0; + } + audit_log_user_avc_message(audit_fd, AUDIT_USER_AVC, buf, NULL, NULL, + NULL, 0); + audit_close(audit_fd); + free(buf); + va_end(ap); + return 0; + } + +#endif + va_start(ap, fmt); + vsyslog (LOG_USER | LOG_INFO, fmt, ap); + va_end(ap); + return 0; +} + +static int +selinux_check_root (void) +{ + int status = -1; + char *user_context_raw; + union selinux_callback old_callback; + + if (is_selinux_enabled() < 1) + return 0; + + old_callback = selinux_get_callback(SELINUX_CB_LOG); + /* setup callbacks */ + selinux_set_callback(SELINUX_CB_LOG, (union selinux_callback) &log_callback); + if ((status = getprevcon_raw(&user_context_raw)) < 0) { + selinux_set_callback(SELINUX_CB_LOG, old_callback); + return status; + } + + status = selinux_check_access(user_context_raw, user_context_raw, "passwd", "rootok", NULL); + + selinux_set_callback(SELINUX_CB_LOG, old_callback); + freecon(user_context_raw); + return status; +} +#endif + +static int +check_for_root (pam_handle_t *pamh, int ctrl) +{ + int retval = PAM_AUTH_ERR; + + if (getuid() == 0) +#ifdef WITH_SELINUX + if (selinux_check_root() == 0 || security_getenforce() == 0) +#endif + retval = PAM_SUCCESS; + + if (ctrl & PAM_DEBUG_ARG) { + pam_syslog(pamh, LOG_DEBUG, "root check %s", + (retval==PAM_SUCCESS) ? "succeeded" : "failed"); + } + + return retval; +} + +/* --- management functions --- */ + +int +pam_sm_authenticate (pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + int ctrl; + + ctrl = _pam_parse(pamh, argc, argv); + + return check_for_root (pamh, ctrl); +} + +int +pam_sm_setcred (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_SUCCESS; +} + +int +pam_sm_acct_mgmt (pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + int ctrl; + + ctrl = _pam_parse(pamh, argc, argv); + + return check_for_root (pamh, ctrl); +} + +int +pam_sm_chauthtok (pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + int ctrl; + + ctrl = _pam_parse(pamh, argc, argv); + + return check_for_root (pamh, ctrl); +} + +/* end of module definition */ diff --git a/modules/pam_rootok/tst-pam_rootok b/modules/pam_rootok/tst-pam_rootok new file mode 100755 index 0000000..385ef76 --- /dev/null +++ b/modules/pam_rootok/tst-pam_rootok @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_rootok.so diff --git a/modules/pam_rootok/tst-pam_rootok-retval.c b/modules/pam_rootok/tst-pam_rootok-retval.c new file mode 100644 index 0000000..b179701 --- /dev/null +++ b/modules/pam_rootok/tst-pam_rootok-retval.c @@ -0,0 +1,72 @@ +/* + * Check pam_rootok return values. + * + * Copyright (c) 2020 Dmitry V. Levin + */ + +#include "test_assert.h" + +#include +#include +#include +#include +#include + +#define MODULE_NAME "pam_rootok" +#define TEST_NAME "tst-" MODULE_NAME "-retval" + +static const char service_file[] = TEST_NAME ".service"; +static const char user_name[] = ""; +static struct pam_conv conv; + +int +main(void) +{ + pam_handle_t *pamh = NULL; + FILE *fp; + char cwd[PATH_MAX]; + + ASSERT_NE(NULL, getcwd(cwd, sizeof(cwd))); + + ASSERT_NE(NULL, fp = fopen(service_file, "w")); + ASSERT_LT(0, fprintf(fp, "#%%PAM-1.0\n" + "auth required %s/.libs/%s.so\n" + "account required %s/.libs/%s.so\n" + "password required %s/.libs/%s.so\n" + "session required %s/.libs/%s.so\n", + cwd, MODULE_NAME, + cwd, MODULE_NAME, + cwd, MODULE_NAME, + cwd, MODULE_NAME)); + ASSERT_EQ(0, fclose(fp)); + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, user_name, &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + ASSERT_EQ(PAM_SUCCESS, pam_setcred(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(PAM_SUCCESS, + pam_start_confdir(service_file, user_name, &conv, ".", &pamh)); + ASSERT_NE(NULL, pamh); + if (getuid() == 0) { + ASSERT_EQ(PAM_SUCCESS, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_setcred(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_acct_mgmt(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_chauthtok(pamh, 0)); + } else { + ASSERT_EQ(PAM_AUTH_ERR, pam_authenticate(pamh, 0)); + ASSERT_EQ(PAM_PERM_DENIED, pam_setcred(pamh, 0)); + ASSERT_EQ(PAM_AUTH_ERR, pam_acct_mgmt(pamh, 0)); + ASSERT_EQ(PAM_AUTH_ERR, pam_chauthtok(pamh, 0)); + } + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_open_session(pamh, 0)); + ASSERT_EQ(PAM_MODULE_UNKNOWN, pam_close_session(pamh, 0)); + ASSERT_EQ(PAM_SUCCESS, pam_end(pamh, 0)); + pamh = NULL; + + ASSERT_EQ(0, unlink(service_file)); + + return 0; +} diff --git a/modules/pam_securetty/Makefile.am b/modules/pam_securetty/Makefile.am new file mode 100644 index 0000000..8ea02d8 --- /dev/null +++ b/modules/pam_securetty/Makefile.am @@ -0,0 +1,33 @@ +# +# Copyright (c) 2005, 2006, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_securetty.8 +endif +XMLS = README.xml pam_securetty.8.xml +dist_check_SCRIPTS = tst-pam_securetty +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_securetty.la +pam_securetty_la_LIBADD = $(top_builddir)/libpam/libpam.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_securetty/Makefile.in b/modules/pam_securetty/Makefile.in new file mode 100644 index 0000000..0763989 --- /dev/null +++ b/modules/pam_securetty/Makefile.in @@ -0,0 +1,1150 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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If not and it was +built with vendordir support, it will use /securetty. pam_securetty +also checks that the securetty files are plain files and not world writable. It +will also allow root logins on the tty specified with console= switch on the +kernel command line and on ttys from the /sys/class/tty/console/active. + +This module has no effect on non-root users and requires that the application +fills in the PAM_TTY item correctly. + +For canonical usage, should be listed as a required authentication method +before any sufficient authentication methods. + +OPTIONS + +debug + + Print debug information. + +noconsole + + Do not automatically allow root logins on the kernel console device, as + specified on the kernel command line or by the sys file, if it is not also + specified in the securetty file. + +EXAMPLES + +auth required pam_securetty.so +auth required pam_unix.so + + +AUTHOR + +pam_securetty was written by Elliot Lee . + diff --git a/modules/pam_securetty/README.xml b/modules/pam_securetty/README.xml new file mode 100644 index 0000000..a8c098a --- /dev/null +++ b/modules/pam_securetty/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_securetty.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_securetty-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_securetty/pam_securetty.8 b/modules/pam_securetty/pam_securetty.8 new file mode 100644 index 0000000..a808aea --- /dev/null +++ b/modules/pam_securetty/pam_securetty.8 @@ -0,0 +1,140 @@ +'\" t +.\" Title: pam_securetty +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_SECURETTY" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_securetty \- Limit root login to special devices +.SH "SYNOPSIS" +.HP \w'\fBpam_securetty\&.so\fR\ 'u +\fBpam_securetty\&.so\fR [debug] +.SH "DESCRIPTION" +.PP +pam_securetty is a PAM module that allows root logins only if the user is logging in on a "secure" tty, as defined by the listing in the +securetty +file\&. pam_securetty checks at first, if +/etc/securetty +exists\&. If not and it was built with vendordir support, it will use +/securetty\&. pam_securetty also checks that the +securetty +files are plain files and not world writable\&. It will also allow root logins on the tty specified with +\fBconsole=\fR +switch on the kernel command line and on ttys from the +/sys/class/tty/console/active\&. +.PP +This module has no effect on non\-root users and requires that the application fills in the +\fBPAM_TTY\fR +item correctly\&. +.PP +For canonical usage, should be listed as a +\fBrequired\fR +authentication method before any +\fBsufficient\fR +authentication methods\&. +.SH "OPTIONS" +.PP +\fBdebug\fR +.RS 4 +Print debug information\&. +.RE +.PP +\fBnoconsole\fR +.RS 4 +Do not automatically allow root logins on the kernel console device, as specified on the kernel command line or by the sys file, if it is not also specified in the +securetty +file\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +Only the +\fBauth\fR +module type is provided\&. +.SH "RETURN VALUES" +.PP +PAM_SUCCESS +.RS 4 +The user is allowed to continue authentication\&. Either the user is not root, or the root user is trying to log in on an acceptable device\&. +.RE +.PP +PAM_AUTH_ERR +.RS 4 +Authentication is rejected\&. Either root is attempting to log in via an unacceptable device, or the +securetty +file is world writable or not a normal file\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_CONV_ERR +.RS 4 +The conversation method supplied by the application failed to obtain the username\&. +.RE +.PP +PAM_INCOMPLETE +.RS 4 +The conversation method supplied by the application returned PAM_CONV_AGAIN\&. +.RE +.PP +PAM_SERVICE_ERR +.RS 4 +An error occurred while the module was determining the user\*(Aqs name or tty, or the module could not open the +securetty +file\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +The module could not find the user name in the +/etc/passwd +file to verify whether the user had a UID of 0\&. Therefore, the results of running this module are ignored\&. +.RE +.SH "EXAMPLES" +.PP +.if n \{\ +.RS 4 +.\} +.nf +auth required pam_securetty\&.so +auth required pam_unix\&.so + +.fi +.if n \{\ +.RE +.\} +.sp +.SH "SEE ALSO" +.PP +\fBsecuretty\fR(5), +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_securetty was written by Elliot Lee \&. diff --git a/modules/pam_securetty/pam_securetty.8.xml b/modules/pam_securetty/pam_securetty.8.xml new file mode 100644 index 0000000..e49d572 --- /dev/null +++ b/modules/pam_securetty/pam_securetty.8.xml @@ -0,0 +1,202 @@ + + + + + + + pam_securetty + 8 + Linux-PAM Manual + + + + pam_securetty + Limit root login to special devices + + + + + pam_securetty.so + + debug + + + + + + + DESCRIPTION + + + pam_securetty is a PAM module that allows root logins only if the + user is logging in on a "secure" tty, as defined by the listing + in the securetty file. pam_securetty checks at + first, if /etc/securetty exists. If not and + it was built with vendordir support, it will use + %vendordir%/securetty. pam_securetty also + checks that the securetty files are plain + files and not world writable. It will also allow root logins on + the tty specified with switch on the + kernel command line and on ttys from the + /sys/class/tty/console/active. + + + This module has no effect on non-root users and requires that the + application fills in the PAM_TTY + item correctly. + + + For canonical usage, should be listed as a + required authentication method + before any sufficient + authentication methods. + + + + + OPTIONS + + + + + + + + Print debug information. + + + + + + + + + + Do not automatically allow root logins on the kernel console + device, as specified on the kernel command line or by the sys file, + if it is not also specified in the + securetty file. + + + + + + + + MODULE TYPES PROVIDED + + Only the module type is provided. + + + + + RETURN VALUES + + + PAM_SUCCESS + + + The user is allowed to continue authentication. + Either the user is not root, or the root user is + trying to log in on an acceptable device. + + + + + PAM_AUTH_ERR + + + Authentication is rejected. Either root is attempting to + log in via an unacceptable device, or the + securetty file is world writable or + not a normal file. + + + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + PAM_CONV_ERR + + + The conversation method supplied by the application + failed to obtain the username. + + + + + PAM_INCOMPLETE + + + The conversation method supplied by the application + returned PAM_CONV_AGAIN. + + + + + PAM_SERVICE_ERR + + + An error occurred while the module was determining the + user's name or tty, or the module could not open + the securetty file. + + + + + PAM_USER_UNKNOWN + + + The module could not find the user name in the + /etc/passwd file to verify whether + the user had a UID of 0. Therefore, the results of running + this module are ignored. + + + + + + + + EXAMPLES + + +auth required pam_securetty.so +auth required pam_unix.so + + + + + + SEE ALSO + + + securetty5 + , + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_securetty was written by Elliot Lee <sopwith@cuc.edu>. + + + + diff --git a/modules/pam_securetty/pam_securetty.c b/modules/pam_securetty/pam_securetty.c new file mode 100644 index 0000000..47a5cd9 --- /dev/null +++ b/modules/pam_securetty/pam_securetty.c @@ -0,0 +1,286 @@ +/* + * pam_securetty module + * + * by Elliot Lee , Red Hat Software. + * July 25, 1996. + * This code shamelessly ripped from the pam_rootok module. + * Slight modifications AGM. 1996/12/3 + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include "pam_inline.h" + +#define PAM_DEBUG_ARG 0x0001 +#define PAM_NOCONSOLE_ARG 0x0002 + +#define SECURETTY_FILE "/etc/securetty" +#ifdef VENDORDIR +#define SECURETTY2_FILE VENDORDIR"/securetty" +#endif +#define TTY_PREFIX "/dev/" +#define CMDLINE_FILE "/proc/cmdline" +#define CONSOLEACTIVE_FILE "/sys/class/tty/console/active" + +static int +_pam_parse (const pam_handle_t *pamh, int argc, const char **argv) +{ + int ctrl=0; + + /* step through arguments */ + for (ctrl=0; argc-- > 0; ++argv) { + + /* generic options */ + + if (!strcmp(*argv,"debug")) + ctrl |= PAM_DEBUG_ARG; + else if (!strcmp(*argv, "noconsole")) + ctrl |= PAM_NOCONSOLE_ARG; + else { + pam_syslog(pamh, LOG_ERR, "unknown option: %s", *argv); + } + } + + return ctrl; +} + +static int +securetty_perform_check (pam_handle_t *pamh, int ctrl, + const char *function_name) +{ + int retval = PAM_AUTH_ERR; + const char *securettyfile; + const char *username; + const char *uttyname; + const char *str; + const void *void_uttyname; + char ttyfileline[256]; + char ptname[256]; + struct stat ttyfileinfo; + struct passwd *user_pwd; + FILE *ttyfile; + + /* log a trail for debugging */ + if (ctrl & PAM_DEBUG_ARG) { + pam_syslog(pamh, LOG_DEBUG, "pam_securetty called via %s function", + function_name); + } + + retval = pam_get_user(pamh, &username, NULL); + if (retval != PAM_SUCCESS) { + pam_syslog(pamh, LOG_NOTICE, "cannot determine user name: %s", + pam_strerror(pamh, retval)); + return (retval == PAM_CONV_AGAIN ? PAM_INCOMPLETE : retval); + } + + user_pwd = pam_modutil_getpwnam(pamh, username); + if (user_pwd != NULL && user_pwd->pw_uid != 0) { + /* If the user is not root, securetty's does not apply to them */ + return PAM_SUCCESS; + } + /* The user is now either root or an invalid / mistyped username */ + + retval = pam_get_item(pamh, PAM_TTY, &void_uttyname); + uttyname = void_uttyname; + if (retval != PAM_SUCCESS || uttyname == NULL) { + pam_syslog (pamh, LOG_ERR, "cannot determine user's tty"); + return PAM_SERVICE_ERR; + } + + /* The PAM_TTY item may be prefixed with "/dev/" - skip that */ + if ((str = pam_str_skip_prefix(uttyname, TTY_PREFIX)) != NULL) + uttyname = str; + + if (stat(SECURETTY_FILE, &ttyfileinfo)) { +#ifdef VENDORDIR + if (errno == ENOENT) { + if (stat(SECURETTY2_FILE, &ttyfileinfo)) { + if (ctrl & PAM_DEBUG_ARG) + pam_syslog(pamh, LOG_DEBUG, + "Couldn't open %s: %m", SECURETTY2_FILE); + return PAM_SUCCESS; /* for compatibility with old securetty handling, + this needs to succeed. But we still log the + error. */ + } + securettyfile = SECURETTY2_FILE; + } else { +#endif + if (ctrl & PAM_DEBUG_ARG) + pam_syslog(pamh, LOG_DEBUG, "Couldn't open %s: %m", SECURETTY_FILE); + return PAM_SUCCESS; /* for compatibility with old securetty handling, + this needs to succeed. But we still log the + error. */ +#ifdef VENDORDIR + } +#endif + } else { + securettyfile = SECURETTY_FILE; + } + + if ((ttyfileinfo.st_mode & S_IWOTH) || !S_ISREG(ttyfileinfo.st_mode)) { + /* If the file is world writable or is not a + normal file, return error */ + pam_syslog(pamh, LOG_ERR, + "%s is either world writable or not a normal file", + securettyfile); + return PAM_AUTH_ERR; + } + + ttyfile = fopen(securettyfile,"r"); + if (ttyfile == NULL) { /* Check that we opened it successfully */ + pam_syslog(pamh, LOG_ERR, "Error opening %s: %m", securettyfile); + return PAM_SERVICE_ERR; + } + + if (isdigit(uttyname[0])) { + snprintf(ptname, sizeof(ptname), "pts/%s", uttyname); + } else { + ptname[0] = '\0'; + } + + retval = 1; + + while ((fgets(ttyfileline, sizeof(ttyfileline)-1, ttyfile) != NULL) + && retval) { + if (ttyfileline[strlen(ttyfileline) - 1] == '\n') + ttyfileline[strlen(ttyfileline) - 1] = '\0'; + + retval = ( strcmp(ttyfileline, uttyname) + && (!ptname[0] || strcmp(ptname, uttyname)) ); + } + fclose(ttyfile); + + if (retval && !(ctrl & PAM_NOCONSOLE_ARG)) { + FILE *cmdlinefile; + + /* Allow access from the kernel console, if enabled */ + cmdlinefile = fopen(CMDLINE_FILE, "r"); + + if (cmdlinefile != NULL) { + char line[LINE_MAX], *p; + + p = fgets(line, sizeof(line), cmdlinefile); + fclose(cmdlinefile); + + for (; p; p = strstr(p+1, "console=")) { + const char *e; + + /* Test whether this is a beginning of a word? */ + if (p > line && p[-1] != ' ') + continue; + + /* Is this our console? */ + if ((e = pam_str_skip_prefix_len(p + 8, uttyname, strlen(uttyname))) == NULL) + continue; + + /* Is there any garbage after the TTY name? */ + if (*e == ',' || *e == ' ' || *e == '\n' || *e == 0) { + retval = 0; + break; + } + } + } + } + if (retval && !(ctrl & PAM_NOCONSOLE_ARG)) { + FILE *consoleactivefile; + + /* Allow access from the active console */ + consoleactivefile = fopen(CONSOLEACTIVE_FILE, "r"); + + if (consoleactivefile != NULL) { + char line[LINE_MAX], *p, *n; + + line[0] = 0; + p = fgets(line, sizeof(line), consoleactivefile); + fclose(consoleactivefile); + + if (p) { + /* remove the newline character at end */ + if (line[strlen(line)-1] == '\n') + line[strlen(line)-1] = 0; + + for (n = p; n != NULL; p = n+1) { + if ((n = strchr(p, ' ')) != NULL) + *n = '\0'; + + if (strcmp(p, uttyname) == 0) { + retval = 0; + break; + } + } + } + } + } + + if (retval) { + pam_syslog(pamh, LOG_NOTICE, "access denied: tty '%s' is not secure !", + uttyname); + + retval = PAM_AUTH_ERR; + if (user_pwd == NULL) { + retval = PAM_USER_UNKNOWN; + } + } else { + if (ctrl & PAM_DEBUG_ARG) { + pam_syslog(pamh, LOG_DEBUG, "access allowed for '%s' on '%s'", + username, uttyname); + } + retval = PAM_SUCCESS; + + } + + return retval; +} + +/* --- authentication management functions --- */ + +int pam_sm_authenticate(pam_handle_t *pamh, int flags UNUSED, int argc, + const char **argv) +{ + int ctrl; + + /* parse the arguments */ + ctrl = _pam_parse (pamh, argc, argv); + + return securetty_perform_check(pamh, ctrl, __FUNCTION__); +} + +int +pam_sm_setcred (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_SUCCESS; +} + +/* --- account management functions --- */ + +int +pam_sm_acct_mgmt (pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + int ctrl; + + /* parse the arguments */ + ctrl = _pam_parse (pamh, argc, argv); + + /* take the easy route */ + return securetty_perform_check(pamh, ctrl, __FUNCTION__); +} + +/* end of module definition */ diff --git a/modules/pam_securetty/tst-pam_securetty b/modules/pam_securetty/tst-pam_securetty new file mode 100755 index 0000000..1252f79 --- /dev/null +++ b/modules/pam_securetty/tst-pam_securetty @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_securetty.so diff --git a/modules/pam_selinux/Makefile.am b/modules/pam_selinux/Makefile.am new file mode 100644 index 0000000..9476ab3 --- /dev/null +++ b/modules/pam_selinux/Makefile.am @@ -0,0 +1,37 @@ +# +# Copyright (c) 2005, 2006, 2007 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) pam_selinux_check.8 + +if HAVE_DOC +dist_man_MANS = pam_selinux.8 +endif +XMLS = README.xml pam_selinux.8.xml +dist_check_SCRIPTS = tst-pam_selinux +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + -I$(top_srcdir)/libpam_misc/include $(WARN_CFLAGS) + +pam_selinux_la_LDFLAGS = -no-undefined -avoid-version -module +pam_selinux_la_LIBADD = $(top_builddir)/libpam/libpam.la @LIBSELINUX@ @LIBAUDIT@ +if HAVE_VERSIONING + pam_selinux_la_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_selinux.la +noinst_PROGRAMS = pam_selinux_check +pam_selinux_check_LDADD = $(top_builddir)/libpam/libpam.la \ + $(top_builddir)/libpam_misc/libpam_misc.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_selinux/Makefile.in b/modules/pam_selinux/Makefile.in new file mode 100644 index 0000000..c58ce8e --- /dev/null +++ b/modules/pam_selinux/Makefile.in @@ -0,0 +1,1182 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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To avoid that, pam_selinux.so open should +be placed after such modules in the PAM stack, and pam_selinux.so close should +be placed before them. When such a placement is not feasible, pam_selinux.so +restore could be used to temporary restore original security contexts. + +OPTIONS + +open + + Only execute the open_session part of the module. + +close + + Only execute the close_session part of the module. + +restore + + In open_session part of the module, temporarily restore the security + contexts as they were before the previous call of the module. Another call + of this module without the restore option will set up the new security + contexts again. + +nottys + + Do not setup security context of the controlling terminal. + +debug + + Turn on debug messages via syslog(3). + +verbose + + Attempt to inform the user when security context is set. + +select_context + + Attempt to ask the user for a custom security context role. If MLS is on, + ask also for sensitivity level. + +env_params + + Attempt to obtain a custom security context role from PAM environment. If + MLS is on, obtain also sensitivity level. This option and the + select_context option are mutually exclusive. The respective PAM + environment variables are SELINUX_ROLE_REQUESTED, SELINUX_LEVEL_REQUESTED, + and SELINUX_USE_CURRENT_RANGE. The first two variables are self describing + and the last one if set to 1 makes the PAM module behave as if the + use_current_range was specified on the command line of the module. + +use_current_range + + Use the sensitivity level of the current process for the user context + instead of the default level. Also suppresses asking of the sensitivity + level from the user or obtaining it from PAM environment. + +EXAMPLES + +auth required pam_unix.so +session required pam_permit.so +session optional pam_selinux.so + + +AUTHOR + +pam_selinux was written by Dan Walsh . + diff --git a/modules/pam_selinux/README.xml b/modules/pam_selinux/README.xml new file mode 100644 index 0000000..7e1baf5 --- /dev/null +++ b/modules/pam_selinux/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_selinux.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_selinux-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_selinux/pam_selinux.8 b/modules/pam_selinux/pam_selinux.8 new file mode 100644 index 0000000..22a3d0a --- /dev/null +++ b/modules/pam_selinux/pam_selinux.8 @@ -0,0 +1,151 @@ +'\" t +.\" Title: pam_selinux +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_SELINUX" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_selinux \- PAM module to set the default security context +.SH "SYNOPSIS" +.HP \w'\fBpam_selinux\&.so\fR\ 'u +\fBpam_selinux\&.so\fR [open] [close] [restore] [nottys] [debug] [verbose] [select_context] [env_params] [use_current_range] +.SH "DESCRIPTION" +.PP +pam_selinux is a PAM module that sets up the default SELinux security context for the next executed process\&. +.PP +When a new session is started, the open_session part of the module computes and sets up the execution security context used for the next +\fBexecve\fR(2) +call, the file security context for the controlling terminal, and the security context used for creating a new kernel keyring\&. +.PP +When the session is ended, the close_session part of the module restores old security contexts that were in effect before the change made by the open_session part of the module\&. +.PP +Adding pam_selinux into the PAM stack might disrupt behavior of other PAM modules which execute applications\&. To avoid that, +\fIpam_selinux\&.so open\fR +should be placed after such modules in the PAM stack, and +\fIpam_selinux\&.so close\fR +should be placed before them\&. When such a placement is not feasible, +\fIpam_selinux\&.so restore\fR +could be used to temporary restore original security contexts\&. +.SH "OPTIONS" +.PP +\fBopen\fR +.RS 4 +Only execute the open_session part of the module\&. +.RE +.PP +\fBclose\fR +.RS 4 +Only execute the close_session part of the module\&. +.RE +.PP +\fBrestore\fR +.RS 4 +In open_session part of the module, temporarily restore the security contexts as they were before the previous call of the module\&. Another call of this module without the restore option will set up the new security contexts again\&. +.RE +.PP +\fBnottys\fR +.RS 4 +Do not setup security context of the controlling terminal\&. +.RE +.PP +\fBdebug\fR +.RS 4 +Turn on debug messages via +\fBsyslog\fR(3)\&. +.RE +.PP +\fBverbose\fR +.RS 4 +Attempt to inform the user when security context is set\&. +.RE +.PP +\fBselect_context\fR +.RS 4 +Attempt to ask the user for a custom security context role\&. If MLS is on, ask also for sensitivity level\&. +.RE +.PP +\fBenv_params\fR +.RS 4 +Attempt to obtain a custom security context role from PAM environment\&. If MLS is on, obtain also sensitivity level\&. This option and the select_context option are mutually exclusive\&. The respective PAM environment variables are +\fISELINUX_ROLE_REQUESTED\fR, +\fISELINUX_LEVEL_REQUESTED\fR, and +\fISELINUX_USE_CURRENT_RANGE\fR\&. The first two variables are self describing and the last one if set to 1 makes the PAM module behave as if the use_current_range was specified on the command line of the module\&. +.RE +.PP +\fBuse_current_range\fR +.RS 4 +Use the sensitivity level of the current process for the user context instead of the default level\&. Also suppresses asking of the sensitivity level from the user or obtaining it from PAM environment\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +Only the +\fBsession\fR +module type is provided\&. +.SH "RETURN VALUES" +.PP +PAM_SUCCESS +.RS 4 +The security context was set successfully\&. +.RE +.PP +PAM_SESSION_ERR +.RS 4 +Unable to get or set a valid context\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +The user is not known to the system\&. +.RE +.PP +PAM_BUF_ERR +.RS 4 +Memory allocation error\&. +.RE +.SH "EXAMPLES" +.sp +.if n \{\ +.RS 4 +.\} +.nf +auth required pam_unix\&.so +session required pam_permit\&.so +session optional pam_selinux\&.so + +.fi +.if n \{\ +.RE +.\} +.SH "SEE ALSO" +.PP +\fBexecve\fR(2), +\fBtty\fR(4), +\fBpam.d\fR(5), +\fBpam\fR(8), +\fBselinux\fR(8) +.SH "AUTHOR" +.PP +pam_selinux was written by Dan Walsh \&. diff --git a/modules/pam_selinux/pam_selinux.8.xml b/modules/pam_selinux/pam_selinux.8.xml new file mode 100644 index 0000000..28d465f --- /dev/null +++ b/modules/pam_selinux/pam_selinux.8.xml @@ -0,0 +1,276 @@ + + + + + + + pam_selinux + 8 + Linux-PAM Manual + + + + pam_selinux + PAM module to set the default security context + + + + + pam_selinux.so + + open + + + close + + + restore + + + nottys + + + debug + + + verbose + + + select_context + + + env_params + + + use_current_range + + + + + + DESCRIPTION + + pam_selinux is a PAM module that sets up the default SELinux security + context for the next executed process. + + + When a new session is started, the open_session part of the module + computes and sets up the execution security context used for the next + + execve2 + + call, the file security context for the controlling terminal, and + the security context used for creating a new kernel keyring. + + + When the session is ended, the close_session part of the module restores + old security contexts that were in effect before the change made + by the open_session part of the module. + + + Adding pam_selinux into the PAM stack might disrupt behavior of other + PAM modules which execute applications. To avoid that, + pam_selinux.so open should be placed after such + modules in the PAM stack, and pam_selinux.so close + should be placed before them. When such a placement is not feasible, + pam_selinux.so restore could be used to temporary + restore original security contexts. + + + + + OPTIONS + + + + + + + + Only execute the open_session part of the module. + + + + + + + + + + Only execute the close_session part of the module. + + + + + + + + + + In open_session part of the module, temporarily restore the + security contexts as they were before the previous call of + the module. Another call of this module without the restore + option will set up the new security contexts again. + + + + + + + + + + Do not setup security context of the controlling terminal. + + + + + + + + + + Turn on debug messages via + + syslog3 + . + + + + + + + + + + Attempt to inform the user when security context is set. + + + + + + + + + + Attempt to ask the user for a custom security context role. + If MLS is on, ask also for sensitivity level. + + + + + + + + + + Attempt to obtain a custom security context role from PAM environment. + If MLS is on, obtain also sensitivity level. This option and the + select_context option are mutually exclusive. The respective PAM + environment variables are SELINUX_ROLE_REQUESTED, + SELINUX_LEVEL_REQUESTED, and + SELINUX_USE_CURRENT_RANGE. The first two variables + are self describing and the last one if set to 1 makes the PAM module behave as + if the use_current_range was specified on the command line of the module. + + + + + + + + + + Use the sensitivity level of the current process for the user context + instead of the default level. Also suppresses asking of the + sensitivity level from the user or obtaining it from PAM environment. + + + + + + + + MODULE TYPES PROVIDED + + Only the module type is provided. + + + + + RETURN VALUES + + + PAM_SUCCESS + + + The security context was set successfully. + + + + + PAM_SESSION_ERR + + + Unable to get or set a valid context. + + + + + PAM_USER_UNKNOWN + + + The user is not known to the system. + + + + + PAM_BUF_ERR + + + Memory allocation error. + + + + + + + + EXAMPLES + +auth required pam_unix.so +session required pam_permit.so +session optional pam_selinux.so + + + + + SEE ALSO + + + execve2 + , + + tty4 + , + + pam.d5 + , + + pam8 + , + + selinux8 + + + + + + AUTHOR + + pam_selinux was written by Dan Walsh <dwalsh@redhat.com>. + + + + diff --git a/modules/pam_selinux/pam_selinux.c b/modules/pam_selinux/pam_selinux.c new file mode 100644 index 0000000..d8e10d8 --- /dev/null +++ b/modules/pam_selinux/pam_selinux.c @@ -0,0 +1,818 @@ +/****************************************************************************** + * A module for Linux-PAM that will set the default security context after login + * via PAM. + * + * Copyright (c) 2003-2008 Red Hat, Inc. + * Written by Dan Walsh + * Additional improvements by Tomas Mraz + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include "pam_inline.h" + +#include +#include +#include +#include + +#ifdef HAVE_LIBAUDIT +#include +#include +#endif + +/* Send audit message */ +static void +send_audit_message(const pam_handle_t *pamh, int success, const char *default_context, + const char *selected_context) +{ +#ifdef HAVE_LIBAUDIT + char *msg = NULL; + int audit_fd = audit_open(); + char *default_raw = NULL; + char *selected_raw = NULL; + const void *tty = NULL, *rhost = NULL; + if (audit_fd < 0) { + if (errno == EINVAL || errno == EPROTONOSUPPORT || + errno == EAFNOSUPPORT) { + goto fallback; /* No audit support in kernel */ + } + pam_syslog(pamh, LOG_ERR, "Error connecting to audit system: %m"); + goto fallback; + } + (void)pam_get_item(pamh, PAM_TTY, &tty); + (void)pam_get_item(pamh, PAM_RHOST, &rhost); + if (selinux_trans_to_raw_context(default_context, &default_raw) < 0) { + pam_syslog(pamh, LOG_ERR, "Error translating default context '%s'.", default_context); + default_raw = NULL; + } + if (selinux_trans_to_raw_context(selected_context, &selected_raw) < 0) { + pam_syslog(pamh, LOG_ERR, "Error translating selected context '%s'.", selected_context); + selected_raw = NULL; + } + if (asprintf(&msg, "pam: default-context=%s selected-context=%s", + default_raw ? default_raw : (default_context ? default_context : "?"), + selected_raw ? selected_raw : (selected_context ? selected_context : "?")) < 0) { + msg = NULL; /* asprintf leaves msg in undefined state on failure */ + pam_syslog(pamh, LOG_ERR, "Error allocating memory."); + goto fallback; + } + if (audit_log_user_message(audit_fd, AUDIT_USER_ROLE_CHANGE, + msg, rhost, NULL, tty, success) <= 0) { + pam_syslog(pamh, LOG_ERR, "Error sending audit message: %m"); + goto fallback; + } + goto cleanup; + + fallback: +#endif /* HAVE_LIBAUDIT */ + pam_syslog(pamh, LOG_NOTICE, "pam: default-context=%s selected-context=%s success %d", + default_context, selected_context, success); + +#ifdef HAVE_LIBAUDIT + cleanup: + free(msg); + freecon(default_raw); + freecon(selected_raw); + if (audit_fd >= 0) + close(audit_fd); +#endif /* HAVE_LIBAUDIT */ +} + +static int +send_text (pam_handle_t *pamh, const char *text, int debug) +{ + if (debug) + pam_syslog(pamh, LOG_NOTICE, "%s", text); + return pam_info (pamh, "%s", text); +} + +/* + * This function sends a message to the user and gets the response. The caller + * is responsible for freeing the responses. + */ +static int +query_response (pam_handle_t *pamh, const char *text, const char *def, + char **response, int debug) +{ + int rc; + if (def) + rc = pam_prompt (pamh, PAM_PROMPT_ECHO_ON, response, "%s [%s] ", text, def); + else + rc = pam_prompt (pamh, PAM_PROMPT_ECHO_ON, response, "%s ", text); + + if (*response == NULL) { + rc = PAM_CONV_ERR; + } + + if (rc != PAM_SUCCESS) { + pam_syslog(pamh, LOG_WARNING, "No response to query: %s", text); + } else if (debug) + pam_syslog(pamh, LOG_NOTICE, "%s %s", text, *response); + return rc; +} + +static char * +config_context (pam_handle_t *pamh, const char *defaultcon, int use_current_range, int debug) +{ + char *newcon = NULL; + context_t new_context; + int mls_enabled = is_selinux_mls_enabled(); + char *response=NULL; + char *type=NULL; + char resp_val = 0; + + pam_prompt (pamh, PAM_TEXT_INFO, NULL, _("The default security context is %s."), defaultcon); + + while (1) { + if (query_response(pamh, + _("Would you like to enter a different role or level?"), "n", + &response, debug) == PAM_SUCCESS) { + resp_val = response[0]; + _pam_drop(response); + } else { + resp_val = 'N'; + } + if ((resp_val == 'y') || (resp_val == 'Y')) + { + if ((new_context = context_new(defaultcon)) == NULL) + goto fail_set; + + /* Allow the user to enter role and level individually */ + if (query_response(pamh, _("role:"), context_role_get(new_context), + &response, debug) == PAM_SUCCESS && response[0]) { + if (get_default_type(response, &type)) { + pam_prompt(pamh, PAM_ERROR_MSG, NULL, + _("There is no default type for role %s."), response); + _pam_drop(response); + continue; + } else { + if (context_role_set(new_context, response)) + goto fail_set; + if (context_type_set (new_context, type)) + goto fail_set; + _pam_drop(type); + } + } + _pam_drop(response); + + if (mls_enabled) + { + if (use_current_range) { + char *mycon = NULL; + context_t my_context; + + if (getcon(&mycon) != 0) + goto fail_set; + my_context = context_new(mycon); + if (my_context == NULL) { + freecon(mycon); + goto fail_set; + } + freecon(mycon); + if (context_range_set(new_context, context_range_get(my_context))) { + context_free(my_context); + goto fail_set; + } + context_free(my_context); + } else if (query_response(pamh, _("level:"), context_range_get(new_context), + &response, debug) == PAM_SUCCESS && response[0]) { + if (context_range_set(new_context, response)) + goto fail_set; + } + _pam_drop(response); + } + + if (debug) + pam_syslog(pamh, LOG_NOTICE, "Selected Security Context %s", context_str(new_context)); + + /* Get the string value of the context and see if it is valid. */ + if (!security_check_context(context_str(new_context))) { + newcon = strdup(context_str(new_context)); + if (newcon == NULL) + goto fail_set; + context_free(new_context); + + /* we have to check that this user is allowed to go into the + range they have specified ... role is tied to an seuser, so that'll + be checked at setexeccon time */ + if (mls_enabled && + selinux_check_access(defaultcon, newcon, "context", "contains", NULL) != 0) { + pam_syslog(pamh, LOG_NOTICE, "Security context %s is not allowed for %s", defaultcon, newcon); + + send_audit_message(pamh, 0, defaultcon, newcon); + + free(newcon); + goto fail_range; + } + return newcon; + } + else { + send_audit_message(pamh, 0, defaultcon, context_str(new_context)); + send_text(pamh,_("This is not a valid security context."),debug); + } + context_free(new_context); /* next time around allocates another */ + } + else + return strdup(defaultcon); + } /* end while */ + + return NULL; + + fail_set: + free(type); + _pam_drop(response); + context_free (new_context); + send_audit_message(pamh, 0, defaultcon, NULL); + fail_range: + return NULL; +} + +static char * +context_from_env (pam_handle_t *pamh, const char *defaultcon, int env_params, int use_current_range, int debug) +{ + char *newcon = NULL; + context_t new_context; + context_t my_context = NULL; + int mls_enabled = is_selinux_mls_enabled(); + const char *env = NULL; + char *type = NULL; + int fail = 1; + + if ((new_context = context_new(defaultcon)) == NULL) + goto fail_set; + + if (env_params && (env = pam_getenv(pamh, "SELINUX_ROLE_REQUESTED")) != NULL && env[0] != '\0') { + if (debug) + pam_syslog(pamh, LOG_NOTICE, "Requested role: %s", env); + + if (get_default_type(env, &type)) { + pam_syslog(pamh, LOG_NOTICE, "No default type for role %s", env); + goto fail_set; + } else { + if (context_role_set(new_context, env)) + goto fail_set; + if (context_type_set(new_context, type)) + goto fail_set; + } + } + + if (mls_enabled) { + if ((env = pam_getenv(pamh, "SELINUX_USE_CURRENT_RANGE")) != NULL && env[0] == '1') { + if (debug) + pam_syslog(pamh, LOG_NOTICE, "SELINUX_USE_CURRENT_RANGE is set"); + use_current_range = 1; + } + + if (use_current_range) { + char *mycon = NULL; + + if (getcon(&mycon) != 0) + goto fail_set; + my_context = context_new(mycon); + if (my_context == NULL) { + freecon(mycon); + goto fail_set; + } + freecon(mycon); + env = context_range_get(my_context); + } else { + env = pam_getenv(pamh, "SELINUX_LEVEL_REQUESTED"); + } + + if (env != NULL && env[0] != '\0') { + if (debug) + pam_syslog(pamh, LOG_NOTICE, "Requested level: %s", env); + if (context_range_set(new_context, env)) + goto fail_set; + } + } + + newcon = strdup(context_str(new_context)); + if (newcon == NULL) + goto fail_set; + + if (debug) + pam_syslog(pamh, LOG_NOTICE, "Selected Security Context %s", newcon); + + /* Get the string value of the context and see if it is valid. */ + if (security_check_context(newcon)) { + pam_syslog(pamh, LOG_NOTICE, "Not a valid security context %s", newcon); + + goto fail_set; + } + + /* we have to check that this user is allowed to go into the + range they have specified ... role is tied to an seuser, so that'll + be checked at setexeccon time */ + if (mls_enabled && + selinux_check_access(defaultcon, newcon, "context", "contains", NULL) != 0) { + pam_syslog(pamh, LOG_NOTICE, "Security context %s is not allowed for %s", defaultcon, newcon); + + goto fail_set; + } + + fail = 0; + + fail_set: + free(type); + context_free(my_context); + context_free(new_context); + if (fail) { + send_audit_message(pamh, 0, defaultcon, newcon); + freecon(newcon); + newcon = NULL; + } + return newcon; +} + +#define DATANAME "pam_selinux_context" +typedef struct { + char *exec_context; + char *prev_exec_context; + char *default_user_context; + char *tty_context; + char *prev_tty_context; + char *tty_path; +} module_data_t; + +static void +free_module_data(module_data_t *data) +{ + free(data->tty_path); + freecon(data->prev_tty_context); + freecon(data->tty_context); + freecon(data->default_user_context); + freecon(data->prev_exec_context); + if (data->exec_context != data->default_user_context) + freecon(data->exec_context); + memset(data, 0, sizeof(*data)); + free(data); +} + +static void +cleanup(pam_handle_t *pamh UNUSED, void *data, int err UNUSED) +{ + free_module_data(data); +} + +static const module_data_t * +get_module_data(const pam_handle_t *pamh) +{ + const void *data; + + return (pam_get_data(pamh, DATANAME, &data) == PAM_SUCCESS) ? data : NULL; +} + +static const char * +get_item(const pam_handle_t *pamh, int item_type) +{ + const void *item; + + return (pam_get_item(pamh, item_type, &item) == PAM_SUCCESS) ? item : NULL; +} + +static int +set_exec_context(const pam_handle_t *pamh, const char *context) +{ + if (setexeccon(context) == 0) + return 0; + pam_syslog(pamh, LOG_ERR, "Setting executable context \"%s\" failed: %m", + context ? context : ""); + return -1; +} + +static int +set_file_context(const pam_handle_t *pamh, const char *context, + const char *file) +{ + if (!file) + return 0; + if (setfilecon(file, context) == 0 || errno == ENOENT) + return 0; + pam_syslog(pamh, LOG_ERR, "Setting file context \"%s\" failed for %s: %m", + context ? context : "", file); + return -1; +} + +static int +compute_exec_context(pam_handle_t *pamh, module_data_t *data, + int select_context, int use_current_range, + int env_params, int debug) +{ + const char *username; + +#ifdef HAVE_GETSEUSER + const char *service; +#endif + char *seuser = NULL; + char *level = NULL; + char **contextlist = NULL; + int num_contexts = 0; + const struct passwd *pwd; + + if (!(username = get_item(pamh, PAM_USER))) { + pam_syslog(pamh, LOG_ERR, "Cannot obtain the user name"); + return PAM_USER_UNKNOWN; + } + + if ((pwd = pam_modutil_getpwnam(pamh, username)) != NULL) { + username = pwd->pw_name; + } /* ignore error and keep using original username */ + + /* compute execute context */ +#ifdef HAVE_GETSEUSER + if (!(service = get_item(pamh, PAM_SERVICE))) { + pam_syslog(pamh, LOG_ERR, "Cannot obtain the service name"); + return PAM_SESSION_ERR; + } + if (getseuser(username, service, &seuser, &level) == 0) { +#else + if (getseuserbyname(username, &seuser, &level) == 0) { +#endif + num_contexts = get_ordered_context_list_with_level(seuser, level, NULL, + &contextlist); + if (debug) + pam_syslog(pamh, LOG_DEBUG, "Username= %s SELinux User= %s Level= %s", + username, seuser, level); + free(level); + } + if (num_contexts > 0) { + free(seuser); + data->default_user_context = strdup(contextlist[0]); + freeconary(contextlist); + if (!data->default_user_context) { + pam_syslog(pamh, LOG_CRIT, "Out of memory"); + return PAM_BUF_ERR; + } + + data->exec_context = data->default_user_context; + if (select_context) + data->exec_context = config_context(pamh, data->default_user_context, + use_current_range, debug); + else if (env_params || use_current_range) + data->exec_context = context_from_env(pamh, data->default_user_context, + env_params, use_current_range, + debug); + } + + if (!data->exec_context) { + pam_syslog(pamh, LOG_ERR, "Unable to get valid context for %s", username); + pam_prompt(pamh, PAM_ERROR_MSG, NULL, + _("A valid context for %s could not be obtained."), username); + } + + if (getexeccon(&data->prev_exec_context) < 0) + data->prev_exec_context = NULL; + + return PAM_SUCCESS; +} + +static int +compute_tty_context(const pam_handle_t *pamh, module_data_t *data) +{ + const char *tty = get_item(pamh, PAM_TTY); + security_class_t tclass; + + if (!tty || !*tty || !strcmp(tty, "ssh") + || pam_str_skip_prefix(tty, "NODEV") != NULL) { + tty = ttyname(STDIN_FILENO); + if (!tty || !*tty) + tty = ttyname(STDOUT_FILENO); + if (!tty || !*tty) + tty = ttyname(STDERR_FILENO); + if (!tty || !*tty) + return PAM_SUCCESS; + } + + if (pam_str_skip_prefix(tty, "/dev/") == NULL) { + if (asprintf(&data->tty_path, "%s%s", "/dev/", tty) < 0) + data->tty_path = NULL; + } else { + data->tty_path = strdup(tty); + } + + if (!data->tty_path) { + pam_syslog(pamh, LOG_CRIT, "Out of memory"); + return PAM_BUF_ERR; + } + + if (getfilecon(data->tty_path, &data->prev_tty_context) < 0) { + data->prev_tty_context = NULL; + if (errno == ENOENT) { + free(data->tty_path); + data->tty_path = NULL; + return PAM_SUCCESS; + } + pam_syslog(pamh, LOG_ERR, "Failed to get current context for %s: %m", + data->tty_path); + return (security_getenforce() == 1) ? PAM_SESSION_ERR : PAM_SUCCESS; + } + + tclass = string_to_security_class("chr_file"); + if (tclass == 0) { + pam_syslog(pamh, LOG_ERR, "Failed to get chr_file security class"); + freecon(data->prev_tty_context); + data->prev_tty_context = NULL; + free(data->tty_path); + data->tty_path = NULL; + return (security_getenforce() == 1) ? PAM_SESSION_ERR : PAM_SUCCESS; + } + + if (security_compute_relabel(data->exec_context, data->prev_tty_context, + tclass, &data->tty_context)) { + data->tty_context = NULL; + pam_syslog(pamh, LOG_ERR, "Failed to compute new context for %s: %m", + data->tty_path); + freecon(data->prev_tty_context); + data->prev_tty_context = NULL; + free(data->tty_path); + data->tty_path = NULL; + return (security_getenforce() == 1) ? PAM_SESSION_ERR : PAM_SUCCESS; + } + + return PAM_SUCCESS; +} + +static int +restore_context(const pam_handle_t *pamh, const module_data_t *data, int debug) +{ + int err; + + if (!data) { + if (debug) + pam_syslog(pamh, LOG_NOTICE, "No context to restore"); + return PAM_SUCCESS; + } + + if (debug && data->tty_path) + pam_syslog(pamh, LOG_NOTICE, + "Restore file context of tty %s: [%s] -> [%s]", + data->tty_path, + data->tty_context ? data->tty_context : "", + data->prev_tty_context ? data->prev_tty_context : ""); + err = set_file_context(pamh, data->prev_tty_context, data->tty_path); + + if (debug) + pam_syslog(pamh, LOG_NOTICE, "Restore executable context: [%s] -> [%s]", + data->exec_context, + data->prev_exec_context ? data->prev_exec_context : ""); + err |= set_exec_context(pamh, data->prev_exec_context); + + if (err && security_getenforce() == 1) + return PAM_SESSION_ERR; + + return PAM_SUCCESS; +} + +static int +set_context(pam_handle_t *pamh, const module_data_t *data, + int debug, int verbose) +{ + int rc, err; + + if (debug && data->tty_path) + pam_syslog(pamh, LOG_NOTICE, "Set file context of tty %s: [%s] -> [%s]", + data->tty_path, + data->prev_tty_context ? data->prev_tty_context : "", + data->tty_context ? data->tty_context : ""); + err = set_file_context(pamh, data->tty_context, data->tty_path); + + if (debug) + pam_syslog(pamh, LOG_NOTICE, "Set executable context: [%s] -> [%s]", + data->prev_exec_context ? data->prev_exec_context : "", + data->exec_context); + rc = set_exec_context(pamh, data->exec_context); + err |= rc; + + send_audit_message(pamh, !rc, data->default_user_context, data->exec_context); + if (verbose && !rc) { + char msg[PATH_MAX]; + + snprintf(msg, sizeof(msg), + _("Security context %s has been assigned."), data->exec_context); + send_text(pamh, msg, debug); + } +#ifdef HAVE_SETKEYCREATECON + if (debug) + pam_syslog(pamh, LOG_NOTICE, "Set key creation context to %s", + data->exec_context ? data->exec_context : ""); + rc = setkeycreatecon(data->exec_context); + err |= rc; + if (rc) + pam_syslog(pamh, LOG_ERR, "Setting key creation context %s failed: %m", + data->exec_context ? data->exec_context : ""); + if (verbose && !rc) { + char msg[PATH_MAX]; + + snprintf(msg, sizeof(msg), + _("Key creation context %s has been assigned."), data->exec_context); + send_text(pamh, msg, debug); + } +#endif + + if (err && security_getenforce() == 1) + return PAM_SESSION_ERR; + + return PAM_SUCCESS; +} + +static int +create_context(pam_handle_t *pamh, int argc, const char **argv, + int debug, int verbose) +{ + int i; + int ttys = 1; + int select_context = 0; + int use_current_range = 0; + int env_params = 0; + module_data_t *data; + + /* Parse arguments. */ + for (i = 0; i < argc; i++) { + if (strcmp(argv[i], "nottys") == 0) { + ttys = 0; + } + if (strcmp(argv[i], "select_context") == 0) { + select_context = 1; + } + if (strcmp(argv[i], "use_current_range") == 0) { + use_current_range = 1; + } + if (strcmp(argv[i], "env_params") == 0) { + env_params = 1; + } + } + + if (is_selinux_enabled() <= 0) { + if (debug) + pam_syslog(pamh, LOG_NOTICE, "SELinux is not enabled"); + return PAM_SUCCESS; + } + + if (select_context && env_params) { + pam_syslog(pamh, LOG_ERR, + "select_context cannot be used with env_params"); + select_context = 0; + } + + if (!(data = calloc(1, sizeof(*data)))) { + pam_syslog(pamh, LOG_CRIT, "Out of memory"); + return PAM_BUF_ERR; + } + + i = compute_exec_context(pamh, data, select_context, use_current_range, + env_params, debug); + if (i != PAM_SUCCESS) { + free_module_data(data); + return i; + } + + if (!data->exec_context) { + free_module_data(data); + return (security_getenforce() == 1) ? PAM_SESSION_ERR : PAM_SUCCESS; + } + + if (ttys && (i = compute_tty_context(pamh, data)) != PAM_SUCCESS) { + free_module_data(data); + return i; + } + + if ((i = pam_set_data(pamh, DATANAME, data, cleanup)) != PAM_SUCCESS) { + pam_syslog(pamh, LOG_ERR, "Error saving context: %m"); + free_module_data(data); + return i; + } + + return set_context(pamh, data, debug, verbose); +} + +int +pam_sm_authenticate(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + /* Fail by default. */ + return PAM_AUTH_ERR; +} + +int +pam_sm_setcred(pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_SUCCESS; +} + +int +pam_sm_open_session(pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + const module_data_t *data; + int i, debug = 0, verbose = 0, close_session = 0, restore = 0; + + /* Parse arguments. */ + for (i = 0; i < argc; i++) { + if (strcmp(argv[i], "debug") == 0) { + debug = 1; + } + if (strcmp(argv[i], "verbose") == 0) { + verbose = 1; + } + if (strcmp(argv[i], "close") == 0) { + close_session = 1; + } + if (strcmp(argv[i], "restore") == 0) { + restore = 1; + } + } + + if (debug) + pam_syslog(pamh, LOG_NOTICE, "Open Session"); + + /* Is this module supposed to execute close_session only? */ + if (close_session) + return PAM_SUCCESS; + + data = get_module_data(pamh); + + /* Is this module supposed only to restore original context? */ + if (restore) + return restore_context(pamh, data, debug); + + /* If there is a saved context, this module is supposed to set it again. */ + return data ? set_context(pamh, data, debug, verbose) : + create_context(pamh, argc, argv, debug, verbose); +} + +int +pam_sm_close_session(pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + int i, debug = 0, open_session = 0; + + /* Parse arguments. */ + for (i = 0; i < argc; i++) { + if (strcmp(argv[i], "debug") == 0) { + debug = 1; + } + if (strcmp(argv[i], "open") == 0) { + open_session = 1; + } + } + + if (debug) + pam_syslog(pamh, LOG_NOTICE, "Close Session"); + + /* Is this module supposed to execute open_session only? */ + if (open_session) + return PAM_SUCCESS; + + /* Restore original context. */ + return restore_context(pamh, get_module_data(pamh), debug); +} diff --git a/modules/pam_selinux/pam_selinux_check.8 b/modules/pam_selinux/pam_selinux_check.8 new file mode 100644 index 0000000..34f578d --- /dev/null +++ b/modules/pam_selinux/pam_selinux_check.8 @@ -0,0 +1,35 @@ +.TH pam_selinux_check 8 2002/05/23 "Red Hat Linux" "System Administrator's Manual" +.SH NAME +pam_selinux_check \- login program to test pam_selinux.so +.SH SYNOPSIS +.B pam_selinux_check [user] +.br + +.SH DESCRIPTION +With no arguments, +.B pam_selinux_check +will prompt for user + +.SH OPTIONS +.IP target_user +The user to login as. + +.SH DIAGNOSTICS +You must setup a /etc/pam.d/pam_selinux_check file, in order for the check to work. + +When checking if a selinux is valid, +.B pam_selinux_check +returns an exit code of 0 for success and > 0 on error: + +.nf +1: Authentication failure +.fi + +.SH SEE ALSO +pam_selinux(8) + +.SH BUGS +Let's hope not, but if you find any, please email the author. + +.SH AUTHOR +Dan Walsh diff --git a/modules/pam_selinux/pam_selinux_check.c b/modules/pam_selinux/pam_selinux_check.c new file mode 100644 index 0000000..30526d3 --- /dev/null +++ b/modules/pam_selinux/pam_selinux_check.c @@ -0,0 +1,161 @@ +/****************************************************************************** + * A module for Linux-PAM that will set the default security context after login + * via PAM. + * + * Copyright (c) 2003 Red Hat, Inc. + * Written by Dan Walsh + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +/************************************************************************ + * + * All PAM code goes in this section. + * + ************************************************************************/ + +#include "config.h" + +#include +#include +#include /* for getuid(), exit(), getopt() */ +#include +#include /* for wait() */ + +#include /* for PAM functions */ +#include /* for misc_conv PAM utility function */ + +#define SERVICE_NAME "pam_selinux_check" /* the name of this program for PAM */ + /* The file containing the context to run + * the scripts under. */ +int authenticate_via_pam( const char *user , pam_handle_t **pamh); + +/* authenticate_via_pam() + * + * in: user + * out: nothing + * return: value condition + * ----- --------- + * 1 pam thinks that the user authenticated themselves properly + * 0 otherwise + * + * this function uses pam to authenticate the user running this + * program. this is the only function in this program that makes pam + * calls. + * + */ + +int authenticate_via_pam( const char *user , pam_handle_t **pamh) { + + struct pam_conv *conv; + int result = 0; /* our result, set to 0 (not authenticated) by default */ + + /* this is a jump table of functions for pam to use when it wants to * + * communicate with the user. we'll be using misc_conv(), which is * + * provided for us via pam_misc.h. */ + struct pam_conv pam_conversation = { + misc_conv, + NULL + }; + conv = &pam_conversation; + + + /* make `p_pam_handle' a valid pam handle so we can use it when * + * calling pam functions. */ + if( PAM_SUCCESS != pam_start( SERVICE_NAME, + user, + conv, + pamh ) ) { + fprintf( stderr, _("failed to initialize PAM\n") ); + exit( -1 ); + } + + if( PAM_SUCCESS != pam_set_item(*pamh, PAM_RUSER, user)) + { + fprintf( stderr, _("failed to pam_set_item()\n") ); + exit( -1 ); + } + + /* Ask PAM to authenticate the user running this program */ + if( PAM_SUCCESS == pam_authenticate(*pamh,0) ) { + if ( PAM_SUCCESS == pam_open_session(*pamh, 0) ) + result = 1; /* user authenticated OK! */ + } + return( result ); + +} /* authenticate_via_pam() */ + +int +main (int argc, char **argv) +{ + pam_handle_t *pamh; + int childPid; + + if (argc < 1) + exit (-1); + + if (!authenticate_via_pam(argv[1],&pamh)) + exit(-1); + + childPid = fork(); + if (childPid < 0) { + /* error in fork() */ + fprintf(stderr, _("login: failure forking: %m")); + pam_close_session(pamh, 0); + /* We're done with PAM. Free `pam_handle'. */ + pam_end( pamh, PAM_SUCCESS ); + exit(0); + } + if (childPid) { + close(0); close(1); close(2); + struct sigaction sa; + memset(&sa,0,sizeof(sa)); + sa.sa_handler = SIG_IGN; + sigaction(SIGQUIT, &sa, NULL); + sigaction(SIGINT, &sa, NULL); + while(wait(NULL) == -1 && errno == EINTR) /**/ ; + openlog("login", LOG_ODELAY, LOG_AUTHPRIV); + pam_close_session(pamh, 0); + /* We're done with PAM. Free `pam_handle'. */ + pam_end( pamh, PAM_SUCCESS ); + exit(0); + } + argv[0]=strdup ("/bin/sh"); + argv[1]=NULL; + + /* NOTE: The environment has not been sanitized. LD_PRELOAD and other fun + * things could be set. */ + execv("/bin/sh",argv); + fprintf(stderr,"Failure\n"); + return 0; +} diff --git a/modules/pam_selinux/tst-pam_selinux b/modules/pam_selinux/tst-pam_selinux new file mode 100755 index 0000000..14c3d82 --- /dev/null +++ b/modules/pam_selinux/tst-pam_selinux @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_selinux.so diff --git a/modules/pam_sepermit/Makefile.am b/modules/pam_sepermit/Makefile.am new file mode 100644 index 0000000..18a89b6 --- /dev/null +++ b/modules/pam_sepermit/Makefile.am @@ -0,0 +1,42 @@ +# +# Copyright (c) 2005, 2006, 2007 Thorsten Kukuk +# Copyright (c) 2008, 2009 Red Hat, Inc. +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_sepermit.8 sepermit.conf.5 +endif +XMLS = README.xml pam_sepermit.8.xml sepermit.conf.5.xml +dist_check_SCRIPTS = tst-pam_sepermit +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) +sepermitlockdir = ${localstatedir}/run/sepermit + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + -I$(top_srcdir)/libpam_misc/include \ + -D SEPERMIT_CONF_FILE=\"$(SCONFIGDIR)/sepermit.conf\" \ + -D SEPERMIT_LOCKDIR=\"$(sepermitlockdir)\" $(WARN_CFLAGS) + +pam_sepermit_la_LIBADD = $(top_builddir)/libpam/libpam.la @LIBSELINUX@ +pam_sepermit_la_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + pam_sepermit_la_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +dist_secureconf_DATA = sepermit.conf +securelib_LTLIBRARIES = pam_sepermit.la + +install-data-local: + mkdir -p $(DESTDIR)$(sepermitlockdir) + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_sepermit/Makefile.in b/modules/pam_sepermit/Makefile.in new file mode 100644 index 0000000..3d2ba12 --- /dev/null +++ b/modules/pam_sepermit/Makefile.in @@ -0,0 +1,1234 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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Otherwise he is +denied access. For users not matching any entry in the config file the +pam_sepermit module returns PAM_IGNORE return value. + +The config file contains a list of user names one per line with optional +arguments. If the name is prefixed with @ character it means that all users in +the group name match. If it is prefixed with a % character the SELinux user is +used to match against the name instead of the account name. Note that when +SELinux is disabled the SELinux user assigned to the account cannot be +determined. This means that such entries are never matched when SELinux is +disabled and pam_sepermit will return PAM_IGNORE. + +See sepermit.conf(5) for details. + +OPTIONS + +debug + + Turns on debugging via syslog(3). + +conf=/path/to/config/file + + Path to alternative config file overriding the default. + +EXAMPLES + +auth [success=done ignore=ignore default=bad] pam_sepermit.so +auth required pam_unix.so +account required pam_unix.so +session required pam_permit.so + + +AUTHOR + +pam_sepermit and this manual page were written by Tomas Mraz +. + diff --git a/modules/pam_sepermit/README.xml b/modules/pam_sepermit/README.xml new file mode 100644 index 0000000..bb65951 --- /dev/null +++ b/modules/pam_sepermit/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_sepermit.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_sepermit-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_sepermit/pam_sepermit.8 b/modules/pam_sepermit/pam_sepermit.8 new file mode 100644 index 0000000..fb82cb9 --- /dev/null +++ b/modules/pam_sepermit/pam_sepermit.8 @@ -0,0 +1,131 @@ +'\" t +.\" Title: pam_sepermit +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_SEPERMIT" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_sepermit \- PAM module to allow/deny login depending on SELinux enforcement state +.SH "SYNOPSIS" +.HP \w'\fBpam_sepermit\&.so\fR\ 'u +\fBpam_sepermit\&.so\fR [debug] [conf=\fI/path/to/config/file\fR] +.SH "DESCRIPTION" +.PP +The pam_sepermit module allows or denies login depending on SELinux enforcement state\&. +.PP +When the user which is logging in matches an entry in the config file he is allowed access only when the SELinux is in enforcing mode\&. Otherwise he is denied access\&. For users not matching any entry in the config file the pam_sepermit module returns PAM_IGNORE return value\&. +.PP +The config file contains a list of user names one per line with optional arguments\&. If the +\fIname\fR +is prefixed with +\fI@\fR +character it means that all users in the group +\fIname\fR +match\&. If it is prefixed with a +\fI%\fR +character the SELinux user is used to match against the +\fIname\fR +instead of the account name\&. Note that when SELinux is disabled the SELinux user assigned to the account cannot be determined\&. This means that such entries are never matched when SELinux is disabled and pam_sepermit will return PAM_IGNORE\&. +.PP +See +\fBsepermit.conf\fR(5) +for details\&. +.SH "OPTIONS" +.PP +\fBdebug\fR +.RS 4 +Turns on debugging via +\fBsyslog\fR(3)\&. +.RE +.PP +\fBconf=\fR\fB\fI/path/to/config/file\fR\fR +.RS 4 +Path to alternative config file overriding the default\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +The +\fBauth\fR +and +\fBaccount\fR +module types are provided\&. +.SH "RETURN VALUES" +.PP +PAM_AUTH_ERR +.RS 4 +SELinux is disabled or in the permissive mode and the user matches\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +SELinux is in the enforcing mode and the user matches\&. +.RE +.PP +PAM_IGNORE +.RS 4 +The user does not match any entry in the config file\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +The module was unable to determine the user\*(Aqs name\&. +.RE +.PP +PAM_SERVICE_ERR +.RS 4 +Error during reading or parsing the config file\&. +.RE +.SH "FILES" +.PP +/etc/security/sepermit\&.conf +.RS 4 +Default configuration file +.RE +.SH "EXAMPLES" +.sp +.if n \{\ +.RS 4 +.\} +.nf +auth [success=done ignore=ignore default=bad] pam_sepermit\&.so +auth required pam_unix\&.so +account required pam_unix\&.so +session required pam_permit\&.so + +.fi +.if n \{\ +.RE +.\} +.SH "SEE ALSO" +.PP +\fBsepermit.conf\fR(5), +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +\fBselinux\fR(8) +.SH "AUTHOR" +.PP +pam_sepermit and this manual page were written by Tomas Mraz \&. diff --git a/modules/pam_sepermit/pam_sepermit.8.xml b/modules/pam_sepermit/pam_sepermit.8.xml new file mode 100644 index 0000000..30d9cc5 --- /dev/null +++ b/modules/pam_sepermit/pam_sepermit.8.xml @@ -0,0 +1,194 @@ + + + + + + + pam_sepermit + 8 + Linux-PAM Manual + + + + pam_sepermit + PAM module to allow/deny login depending on SELinux enforcement state + + + + + pam_sepermit.so + + debug + + + conf=/path/to/config/file + + + + + + DESCRIPTION + + The pam_sepermit module allows or denies login depending on SELinux + enforcement state. + + + When the user which is logging in matches an entry in the config file + he is allowed access only when the SELinux is in enforcing mode. Otherwise + he is denied access. For users not matching any entry in the config file + the pam_sepermit module returns PAM_IGNORE return value. + + + The config file contains a list of user names one per line with optional arguments. If the + name is prefixed with @ character it means that all + users in the group name match. If it is prefixed + with a % character the SELinux user is used to match against the name + instead of the account name. Note that when SELinux is disabled the + SELinux user assigned to the account cannot be determined. This means that + such entries are never matched when SELinux is disabled and pam_sepermit + will return PAM_IGNORE. + + + See + sepermit.conf5 + for details. + + + + + + OPTIONS + + + + + + + + Turns on debugging via + + syslog3 + . + + + + + + + + + + Path to alternative config file overriding the default. + + + + + + + + MODULE TYPES PROVIDED + + The and + module types are provided. + + + + + RETURN VALUES + + + PAM_AUTH_ERR + + + SELinux is disabled or in the permissive mode and the user + matches. + + + + + PAM_SUCCESS + + + SELinux is in the enforcing mode and the user matches. + + + + + PAM_IGNORE + + + The user does not match any entry in the config file. + + + + + PAM_USER_UNKNOWN + + + The module was unable to determine the user's name. + + + + + PAM_SERVICE_ERR + + + Error during reading or parsing the config file. + + + + + + + + FILES + + + /etc/security/sepermit.conf + + Default configuration file + + + + + + + EXAMPLES + +auth [success=done ignore=ignore default=bad] pam_sepermit.so +auth required pam_unix.so +account required pam_unix.so +session required pam_permit.so + + + + + SEE ALSO + + + sepermit.conf5 + , + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + selinux8 + + + + + + AUTHOR + + pam_sepermit and this manual page were written by Tomas Mraz <tmraz@redhat.com>. + + + + diff --git a/modules/pam_sepermit/pam_sepermit.c b/modules/pam_sepermit/pam_sepermit.c new file mode 100644 index 0000000..f7d98d5 --- /dev/null +++ b/modules/pam_sepermit/pam_sepermit.c @@ -0,0 +1,440 @@ +/****************************************************************************** + * A module for Linux-PAM that allows/denies access based on SELinux state. + * + * Copyright (c) 2007, 2008, 2009 Red Hat, Inc. + * Originally written by Tomas Mraz + * Contributions by Dan Walsh + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, and the entire permission notice in its entirety, + * including the disclaimer of warranties. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior + * written permission. + * + * ALTERNATIVELY, this product may be distributed under the terms of + * the GNU Public License, in which case the provisions of the GPL are + * required INSTEAD OF the above restrictions. (This clause is + * necessary due to a potential bad interaction between the GPL and + * the restrictions contained in a BSD-style copyright.) + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include + +#define MODULE "pam_sepermit" +#define OPT_DELIM ":" + +struct lockfd { + uid_t uid; + int fd; + int debug; +}; + +#define PROC_BASE "/proc" +#define MAX_NAMES (int)(sizeof(unsigned long)*8) + +static int +match_process_uid(pid_t pid, uid_t uid) +{ + char buf[128]; + uid_t puid; + FILE *f; + int re = 0; + + snprintf (buf, sizeof buf, PROC_BASE "/%d/status", pid); + if (!(f = fopen (buf, "r"))) + return 0; + + while (fgets(buf, sizeof buf, f)) { + if (sscanf (buf, "Uid:\t%d", &puid)) { + re = uid == puid; + break; + } + } + fclose(f); + return re; +} + +static int +check_running (pam_handle_t *pamh, uid_t uid, int killall, int debug) +{ + DIR *dir; + struct dirent *de; + pid_t *pid_table, pid, self; + int i; + int pids, max_pids; + int running = 0; + self = getpid(); + if (!(dir = opendir(PROC_BASE))) { + pam_syslog(pamh, LOG_ERR, "Failed to open proc directory file %s:", PROC_BASE); + return -1; + } + max_pids = 256; + pid_table = malloc(max_pids * sizeof (pid_t)); + if (!pid_table) { + (void)closedir(dir); + pam_syslog(pamh, LOG_CRIT, "Memory allocation error"); + return -1; + } + pids = 0; + while ((de = readdir (dir)) != NULL) { + if (!(pid = (pid_t)atoi(de->d_name)) || pid == self) + continue; + + if (pids == max_pids) { + pid_t *npt; + + if (!(npt = realloc(pid_table, 2*pids*sizeof(pid_t)))) { + free(pid_table); + (void)closedir(dir); + pam_syslog(pamh, LOG_CRIT, "Memory allocation error"); + return -1; + } + pid_table = npt; + max_pids *= 2; + } + pid_table[pids++] = pid; + } + + (void)closedir(dir); + + for (i = 0; i < pids; i++) { + pid_t id; + + if (match_process_uid(pid_table[i], uid) == 0) + continue; + id = pid_table[i]; + + if (killall) { + if (debug) + pam_syslog(pamh, LOG_NOTICE, "Attempting to kill %d", id); + kill(id, SIGKILL); + } + running++; + } + + free(pid_table); + return running; +} + +/* + * This function reads the loginuid from the /proc system. It returns + * (uid_t)-1 on failure. + */ +static uid_t get_loginuid(pam_handle_t *pamh) +{ + int fd, count; + char loginuid[24]; + char *eptr; + uid_t rv = (uid_t)-1; + + fd = open("/proc/self/loginuid", O_NOFOLLOW|O_RDONLY); + if (fd < 0) { + if (errno != ENOENT) { + pam_syslog(pamh, LOG_ERR, + "Cannot open /proc/self/loginuid: %m"); + } + return rv; + } + if ((count = pam_modutil_read(fd, loginuid, sizeof(loginuid)-1)) < 1) { + close(fd); + return rv; + } + loginuid[count] = '\0'; + close(fd); + + errno = 0; + rv = strtoul(loginuid, &eptr, 10); + if (errno != 0 || eptr == loginuid) + rv = (uid_t) -1; + + return rv; +} + +static void +sepermit_unlock(pam_handle_t *pamh, void *plockfd, int error_status UNUSED) +{ + struct lockfd *lockfd = plockfd; + struct flock fl; + + memset(&fl, 0, sizeof(fl)); + fl.l_type = F_UNLCK; + fl.l_whence = SEEK_SET; + + if (lockfd->debug) + pam_syslog(pamh, LOG_ERR, "Unlocking fd: %d uid: %d", lockfd->fd, lockfd->uid); + + /* Don't kill uid==0 */ + if (lockfd->uid) + /* This is a DOS but it prevents an app from forking to prevent killing */ + while(check_running(pamh, lockfd->uid, 1, lockfd->debug) > 0) + continue; + + (void)fcntl(lockfd->fd, F_SETLK, &fl); + (void)close(lockfd->fd); + free(lockfd); +} + +static int +sepermit_lock(pam_handle_t *pamh, const char *user, int debug) +{ + char buf[PATH_MAX]; + struct flock fl; + + memset(&fl, 0, sizeof(fl)); + fl.l_type = F_WRLCK; + fl.l_whence = SEEK_SET; + + struct passwd *pw = pam_modutil_getpwnam( pamh, user ); + if (!pw) { + pam_syslog(pamh, LOG_NOTICE, "Unable to find uid for user %s", + user); + return -1; + } + if (check_running(pamh, pw->pw_uid, 0, debug) > 0) { + pam_syslog(pamh, LOG_ERR, "User %s processes are running. Exclusive login not allowed", user); + return -1; + } + + snprintf(buf, sizeof(buf), "%s/%d.lock", SEPERMIT_LOCKDIR, pw->pw_uid); + int fd = open(buf, O_RDWR | O_CREAT, S_IRUSR | S_IWUSR); + if (fd < 0) { + pam_syslog(pamh, LOG_ERR, "Unable to open lock file %s/%d.lock", SEPERMIT_LOCKDIR, pw->pw_uid); + return -1; + } + + /* Need to close on exec */ + fcntl(fd, F_SETFD, FD_CLOEXEC); + + if (fcntl(fd, F_SETLK, &fl) == -1) { + pam_syslog(pamh, LOG_ERR, "User %s with exclusive login already logged in", user); + close(fd); + return -1; + } + struct lockfd *lockfd=calloc(1, sizeof(struct lockfd)); + if (!lockfd) { + close(fd); + pam_syslog(pamh, LOG_CRIT, "Memory allocation error"); + return -1; + } + lockfd->uid = pw->pw_uid; + lockfd->debug = debug; + lockfd->fd=fd; + pam_set_data(pamh, MODULE, lockfd, sepermit_unlock); + return 0; +} + +/* return 0 when matched, -1 when unmatched, pam error otherwise */ +static int +sepermit_match(pam_handle_t *pamh, const char *cfgfile, const char *user, + const char *seuser, int debug, int *sense) +{ + FILE *f; + char *line = NULL; + char *start; + size_t len = 0; + int matched = 0; + int exclusive = 0; + int ignore = 0; + + f = fopen(cfgfile, "r"); + + if (!f) { + pam_syslog(pamh, LOG_ERR, "Failed to open config file %s: %m", cfgfile); + return PAM_SERVICE_ERR; + } + + while (!matched && getline(&line, &len, f) != -1) { + size_t n; + char *sptr; + char *opt; + + if (line[0] == '#') + continue; + + start = line; + while (isspace(*start)) + ++start; + n = strlen(start); + while (n > 0 && isspace(start[n-1])) { + --n; + } + if (n == 0) + continue; + + start[n] = '\0'; + start = strtok_r(start, OPT_DELIM, &sptr); + + switch (start[0]) { + case '@': + ++start; + if (debug) + pam_syslog(pamh, LOG_NOTICE, "Matching user %s against group %s", user, start); + if (pam_modutil_user_in_group_nam_nam(pamh, user, start)) { + matched = 1; + } + break; + case '%': + if (seuser == NULL) + break; + ++start; + if (debug) + pam_syslog(pamh, LOG_NOTICE, "Matching seuser %s against seuser %s", seuser, start); + if (strcmp(seuser, start) == 0) { + matched = 1; + } + break; + default: + if (debug) + pam_syslog(pamh, LOG_NOTICE, "Matching user %s against user %s", user, start); + if (strcmp(user, start) == 0) { + matched = 1; + } + } + if (matched) + while ((opt=strtok_r(NULL, OPT_DELIM, &sptr)) != NULL) { + if (strcmp(opt, "exclusive") == 0) + exclusive = 1; + else if (strcmp(opt, "ignore") == 0) + ignore = 1; + else if (debug) { + pam_syslog(pamh, LOG_NOTICE, "Unknown user option: %s", opt); + } + } + } + + free(line); + fclose(f); + if (matched) { + if (*sense == PAM_SUCCESS) { + if (ignore) + *sense = PAM_IGNORE; + if (geteuid() == 0 && exclusive && get_loginuid(pamh) == (uid_t)-1) + if (sepermit_lock(pamh, user, debug) < 0) + *sense = PAM_AUTH_ERR; + } + return 0; + } + else + return -1; +} + +int +pam_sm_authenticate(pam_handle_t *pamh, int flags UNUSED, + int argc, const char **argv) +{ + int i; + int rv; + int debug = 0; + int sense = PAM_AUTH_ERR; + const char *user = NULL; + char *seuser = NULL; + char *level = NULL; + const char *cfgfile = SEPERMIT_CONF_FILE; + + /* Parse arguments. */ + for (i = 0; i < argc; i++) { + if (strcmp(argv[i], "debug") == 0) { + debug = 1; + } + if (strcmp(argv[i], "conf=") == 0) { + cfgfile = argv[i] + 5; + } + } + + if (debug) + pam_syslog(pamh, LOG_NOTICE, "Parsing config file: %s", cfgfile); + + if (pam_get_user(pamh, &user, NULL) != PAM_SUCCESS || *user == '\0') { + pam_syslog(pamh, LOG_NOTICE, "cannot determine user name"); + return PAM_USER_UNKNOWN; + } + + if (is_selinux_enabled() > 0) { + if (security_getenforce() == 1) { + if (debug) + pam_syslog(pamh, LOG_NOTICE, "Enforcing mode, access will be allowed on match"); + sense = PAM_SUCCESS; + } + } + + if (getseuserbyname(user, &seuser, &level) != 0) { + seuser = NULL; + level = NULL; + pam_syslog(pamh, LOG_ERR, "getseuserbyname failed: %m"); + } + + if (debug && sense != PAM_SUCCESS) + pam_syslog(pamh, LOG_NOTICE, "Access will not be allowed on match"); + + rv = sepermit_match(pamh, cfgfile, user, seuser, debug, &sense); + + if (debug) + pam_syslog(pamh, LOG_NOTICE, "sepermit_match returned: %d", rv); + + free(seuser); + free(level); + + switch (rv) { + case -1: + return PAM_IGNORE; + case 0: + return sense; + } + + return rv; +} + +int +pam_sm_setcred (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_IGNORE; +} + +int +pam_sm_acct_mgmt(pam_handle_t *pamh, int flags, + int argc, const char **argv) +{ + return pam_sm_authenticate(pamh, flags, argc, argv); +} diff --git a/modules/pam_sepermit/sepermit.conf b/modules/pam_sepermit/sepermit.conf new file mode 100644 index 0000000..0a12cd8 --- /dev/null +++ b/modules/pam_sepermit/sepermit.conf @@ -0,0 +1,11 @@ +# /etc/security/sepermit.conf +# +# Each line contains either: +# - a user name +# - a group name, with @group syntax +# - a SELinux user name, with %seuser syntax +# Each line can contain optional arguments separated by : +# The possible arguments are: +# - exclusive - only single login session will +# be allowed for the user and the user's processes +# will be killed on logout diff --git a/modules/pam_sepermit/sepermit.conf.5 b/modules/pam_sepermit/sepermit.conf.5 new file mode 100644 index 0000000..b4b91c8 --- /dev/null +++ b/modules/pam_sepermit/sepermit.conf.5 @@ -0,0 +1,117 @@ +'\" t +.\" Title: sepermit.conf +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "SEPERMIT\&.CONF" "5" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +sepermit.conf \- configuration file for the pam_sepermit module +.SH "DESCRIPTION" +.PP +The lines of the configuration file have the following syntax: +.PP +\fI\fR[:\fI