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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:38:36 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:38:36 +0000
commit26367bfc399cb3862f94ddca8fce87f98f26d67e (patch)
treeba3a4e02ed5ec62fe645dfa810c01d26decf591f /modules/pam_mail
parentInitial commit. (diff)
downloadpam-26367bfc399cb3862f94ddca8fce87f98f26d67e.tar.xz
pam-26367bfc399cb3862f94ddca8fce87f98f26d67e.zip
Adding upstream version 1.3.1.upstream/1.3.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'modules/pam_mail')
-rw-r--r--modules/pam_mail/Makefile.am31
-rw-r--r--modules/pam_mail/Makefile.in1114
-rw-r--r--modules/pam_mail/README71
-rw-r--r--modules/pam_mail/README.xml41
-rw-r--r--modules/pam_mail/pam_mail.8159
-rw-r--r--modules/pam_mail/pam_mail.8.xml280
-rw-r--r--modules/pam_mail/pam_mail.c475
-rwxr-xr-xmodules/pam_mail/tst-pam_mail2
8 files changed, 2173 insertions, 0 deletions
diff --git a/modules/pam_mail/Makefile.am b/modules/pam_mail/Makefile.am
new file mode 100644
index 0000000..84f3d9e
--- /dev/null
+++ b/modules/pam_mail/Makefile.am
@@ -0,0 +1,31 @@
+#
+# Copyright (c) 2005, 2006, 2009 Thorsten Kukuk <kukuk@suse.de>
+#
+
+CLEANFILES = *~
+MAINTAINERCLEANFILES = $(MANS) README
+
+EXTRA_DIST = README $(MANS) $(XMLS) tst-pam_mail
+
+man_MANS = pam_mail.8
+XMLS = README.xml pam_mail.8.xml
+
+TESTS = tst-pam_mail
+
+securelibdir = $(SECUREDIR)
+secureconfdir = $(SCONFIGDIR)
+
+AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include
+AM_LDFLAGS = -no-undefined -avoid-version -module
+if HAVE_VERSIONING
+ AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map
+endif
+
+securelib_LTLIBRARIES = pam_mail.la
+pam_mail_la_LIBADD = $(top_builddir)/libpam/libpam.la
+
+if ENABLE_REGENERATE_MAN
+noinst_DATA = README
+README: pam_mail.8.xml
+-include $(top_srcdir)/Make.xml.rules
+endif
diff --git a/modules/pam_mail/Makefile.in b/modules/pam_mail/Makefile.in
new file mode 100644
index 0000000..6db12c3
--- /dev/null
+++ b/modules/pam_mail/Makefile.in
@@ -0,0 +1,1114 @@
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+ topsrcdirstrip=`echo "$(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)/$$file" \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+ $(MAKE) $(AM_MAKEFLAGS) check-TESTS
+check: check-am
+all-am: Makefile $(LTLIBRARIES) $(MANS) $(DATA)
+installdirs:
+ for dir in "$(DESTDIR)$(securelibdir)" "$(DESTDIR)$(man8dir)"; do \
+ test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+ done
+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:
+ -test -z "$(TEST_LOGS)" || rm -f $(TEST_LOGS)
+ -test -z "$(TEST_LOGS:.log=.trs)" || rm -f $(TEST_LOGS:.log=.trs)
+ -test -z "$(TEST_SUITE_LOG)" || rm -f $(TEST_SUITE_LOG)
+
+clean-generic:
+ -test -z "$(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 $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-securelibLTLIBRARIES \
+ mostlyclean-am
+
+distclean: distclean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
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+
+info: info-am
+
+info-am:
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+install-data-am: install-man install-securelibLTLIBRARIES
+
+install-dvi: install-dvi-am
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+install-dvi-am:
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+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
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+install-info: install-info-am
+
+install-info-am:
+
+install-man: install-man8
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+install-pdf-am:
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+
+install-ps-am:
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+maintainer-clean: maintainer-clean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
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+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
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+
+uninstall-am: uninstall-man uninstall-securelibLTLIBRARIES
+
+uninstall-man: uninstall-man8
+
+.MAKE: check-am install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am check check-TESTS check-am clean \
+ clean-generic clean-libtool clean-securelibLTLIBRARIES \
+ 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-info install-info-am install-man install-man8 \
+ install-pdf install-pdf-am install-ps install-ps-am \
+ install-securelibLTLIBRARIES install-strip installcheck \
+ installcheck-am installdirs maintainer-clean \
+ maintainer-clean-generic mostlyclean mostlyclean-compile \
+ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+ recheck tags tags-am uninstall uninstall-am uninstall-man \
+ uninstall-man8 uninstall-securelibLTLIBRARIES
+
+@ENABLE_REGENERATE_MAN_TRUE@README: pam_mail.8.xml
+@ENABLE_REGENERATE_MAN_TRUE@-include $(top_srcdir)/Make.xml.rules
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/modules/pam_mail/README b/modules/pam_mail/README
new file mode 100644
index 0000000..3da9276
--- /dev/null
+++ b/modules/pam_mail/README
@@ -0,0 +1,71 @@
+pam_mail — Inform about available mail
+
+━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+DESCRIPTION
+
+The pam_mail PAM module provides the "you have new mail" service to the user.
+It can be plugged into any application that has credential or session hooks. It
+gives a single message indicating the newness of any mail it finds in the
+user's mail folder. This module also sets the PAM environment variable, MAIL,
+to the user's mail directory.
+
+If the mail spool file (be it /var/mail/$USER or a pathname given with the 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/
+ <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.
+
+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 <morgan@kernel.org>.
+
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 @@
+<?xml version="1.0" encoding='UTF-8'?>
+<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
+"http://www.docbook.org/xml/4.3/docbookx.dtd"
+[
+<!--
+<!ENTITY pamaccess SYSTEM "pam_mail.8.xml">
+-->
+]>
+
+<article>
+
+ <articleinfo>
+
+ <title>
+ <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
+ href="pam_mail.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_mail-name"]/*)'/>
+ </title>
+
+ </articleinfo>
+
+ <section>
+ <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
+ href="pam_mail.8.xml" xpointer='xpointer(//refsect1[@id = "pam_mail-description"]/*)'/>
+ </section>
+
+ <section>
+ <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
+ href="pam_mail.8.xml" xpointer='xpointer(//refsect1[@id = "pam_mail-options"]/*)'/>
+ </section>
+
+ <section>
+ <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
+ href="pam_mail.8.xml" xpointer='xpointer(//refsect1[@id = "pam_mail-examples"]/*)'/>
+ </section>
+
+ <section>
+ <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
+ href="pam_mail.8.xml" xpointer='xpointer(//refsect1[@id = "pam_mail-author"]/*)'/>
+ </section>
+
+</article>
diff --git a/modules/pam_mail/pam_mail.8 b/modules/pam_mail/pam_mail.8
new file mode 100644
index 0000000..41e6e44
--- /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 v1.78.1 <http://docbook.sf.net/>
+.\" Date: 05/18/2017
+.\" Manual: Linux-PAM Manual
+.\" Source: Linux-PAM Manual
+.\" Language: English
+.\"
+.TH "PAM_MAIL" "8" "05/18/2017" "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/<login>\&. The default location for mail is
+/var/mail/<login>\&. 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 <morgan@kernel\&.org>\&.
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 @@
+<?xml version="1.0" encoding='UTF-8'?>
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
+ "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd">
+
+<refentry id="pam_mail">
+
+ <refmeta>
+ <refentrytitle>pam_mail</refentrytitle>
+ <manvolnum>8</manvolnum>
+ <refmiscinfo class="sectdesc">Linux-PAM Manual</refmiscinfo>
+ </refmeta>
+
+ <refnamediv id="pam_mail-name">
+ <refname>pam_mail</refname>
+ <refpurpose>Inform about available mail</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <cmdsynopsis id="pam_mail-cmdsynopsis">
+ <command>pam_mail.so</command>
+ <arg choice="opt">
+ close
+ </arg>
+ <arg choice="opt">
+ debug
+ </arg>
+ <arg choice="opt">
+ dir=<replaceable>maildir</replaceable>
+ </arg>
+ <arg choice="opt">
+ empty
+ </arg>
+ <arg choice="opt">
+ hash=<replaceable>count</replaceable>
+ </arg>
+ <arg choice="opt">
+ noenv
+ </arg>
+ <arg choice="opt">
+ nopen
+ </arg>
+ <arg choice="opt">
+ quiet
+ </arg>
+ <arg choice="opt">
+ standard
+ </arg>
+ </cmdsynopsis>
+ </refsynopsisdiv>
+
+ <refsect1 id="pam_mail-description">
+
+ <title>DESCRIPTION</title>
+
+ <para>
+ 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 <emphasis>newness</emphasis> of any mail it finds
+ in the user's mail folder. This module also sets the PAM
+ environment variable, <emphasis remap='B'>MAIL</emphasis>, to the
+ user's mail directory.
+ </para>
+ <para>
+ If the mail spool file (be it <filename>/var/mail/$USER</filename>
+ or a pathname given with the <option>dir=</option> parameter) is
+ a directory then pam_mail assumes it is in the
+ <emphasis remap='I'>Maildir</emphasis> format.
+ </para>
+ </refsect1>
+
+ <refsect1 id="pam_mail-options">
+
+ <title>OPTIONS</title>
+ <para>
+ <variablelist>
+
+ <varlistentry>
+ <term>
+ <option>close</option>
+ </term>
+ <listitem>
+ <para>
+ Indicate if the user has any mail also on logout.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>debug</option>
+ </term>
+ <listitem>
+ <para>
+ Print debug information.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>dir=<replaceable>maildir</replaceable></option>
+ </term>
+ <listitem>
+ <para>
+ Look for the user's mail in an alternative location defined by
+ <filename>maildir/&lt;login&gt;</filename>. The default
+ location for mail is <filename>/var/mail/&lt;login&gt;</filename>.
+ Note, if the supplied
+ <filename>maildir</filename> is prefixed by a '~', the
+ directory is interpreted as indicating a file in the user's
+ home directory.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>empty</option>
+ </term>
+ <listitem>
+ <para>
+ Also print message if user has no mail.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>hash=<replaceable>count</replaceable></option>
+ </term>
+ <listitem>
+ <para>
+ Mail directory hash depth. For example, a
+ <emphasis>hashcount</emphasis> of 2 would
+ make the mail file be
+ <filename>/var/spool/mail/u/s/user</filename>.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>noenv</option>
+ </term>
+ <listitem>
+ <para>
+ Do not set the <emphasis remap='B'>MAIL</emphasis>
+ environment variable.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>nopen</option>
+ </term>
+ <listitem>
+ <para>
+ Don't print any mail information on login. This flag is
+ useful to get the <emphasis remap='B'>MAIL</emphasis>
+ environment variable set, but to not display any information
+ about it.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>quiet</option>
+ </term>
+ <listitem>
+ <para>
+ Only report when there is new mail.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>
+ <option>standard</option>
+ </term>
+ <listitem>
+ <para>
+ Old style "You have..." format which doesn't show the
+ mail spool being used. This also implies "empty".
+ </para>
+ </listitem>
+ </varlistentry>
+
+ </variablelist>
+
+ </para>
+ </refsect1>
+
+ <refsect1 id="pam_mail-types">
+ <title>MODULE TYPES PROVIDED</title>
+ <para>
+ The <option>session</option> and
+ <option>auth</option> (on establishment and
+ deletion of credentials) module types are provided.
+ </para>
+ </refsect1>
+
+ <refsect1 id='pam_mail-return_values'>
+ <title>RETURN VALUES</title>
+ <variablelist>
+ <varlistentry>
+ <term>PAM_BUF_ERR</term>
+ <listitem>
+ <para>
+ Memory buffer error.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_SERVICE_ERR</term>
+ <listitem>
+ <para>
+ Badly formed arguments.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_SUCCESS</term>
+ <listitem>
+ <para>
+ Success.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_USER_UNKNOWN</term>
+ <listitem>
+ <para>
+ User not known.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ </variablelist>
+ </refsect1>
+
+ <refsect1 id='pam_mail-examples'>
+ <title>EXAMPLES</title>
+ <para>
+ Add the following line to <filename>/etc/pam.d/login</filename> to
+ indicate that the user has new mail when they login to the system.
+ <programlisting>
+session optional pam_mail.so standard
+ </programlisting>
+ </para>
+ </refsect1>
+
+ <refsect1 id='pam_mail-see_also'>
+ <title>SEE ALSO</title>
+ <para>
+ <citerefentry>
+ <refentrytitle>pam.conf</refentrytitle><manvolnum>5</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>pam.d</refentrytitle><manvolnum>5</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>pam</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>
+ </para>
+ </refsect1>
+
+ <refsect1 id='pam_mail-author'>
+ <title>AUTHOR</title>
+ <para>
+ pam_mail was written by Andrew G. Morgan &lt;morgan@kernel.org&gt;.
+ </para>
+ </refsect1>
+
+</refentry>
diff --git a/modules/pam_mail/pam_mail.c b/modules/pam_mail/pam_mail.c
new file mode 100644
index 0000000..0022f6d
--- /dev/null
+++ b/modules/pam_mail/pam_mail.c
@@ -0,0 +1,475 @@
+/* pam_mail module */
+
+/*
+ * Written by Andrew Morgan <morgan@linux.kernel.org> 1996/3/11
+ * $HOME additions by David Kinchlea <kinch@kinch.ark.com> 1997/1/7
+ * mailhash additions by Chris Adams <cadams@ro.com> 1998/7/11
+ */
+
+#include "config.h"
+
+#include <ctype.h>
+#include <pwd.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syslog.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <errno.h>
+
+#ifdef HAVE_PATHS_H
+#include <paths.h>
+#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"
+
+/*
+ * here, we make a definition for the externally accessible function
+ * in this file (this definition is required for static a module
+ * but strongly encouraged generally) it is used to instruct the
+ * modules include file to define the function prototypes.
+ */
+
+#define PAM_SM_SESSION
+#define PAM_SM_AUTH
+
+#include <security/pam_modules.h>
+#include <security/_pam_macros.h>
+#include <security/pam_modutil.h>
+#include <security/pam_ext.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) {
+
+ /* 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 (!strncmp(*argv,"dir=",4)) {
+ *maildir = 4 + *argv;
+ 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 (!strncmp(*argv,"hash=",5)) {
+ char *ep = NULL;
+ *hashcount = strtoul(*argv+5,&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", _("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 || user == NULL) {
+ pam_syslog(pamh, LOG_ERR, "cannot determine username");
+ return PAM_USER_UNKNOWN;
+ }
+
+ pwd = pam_modutil_getpwnam (pamh, user);
+ if (pwd == NULL) {
+ pam_syslog(pamh, LOG_ERR, "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