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-rw-r--r--configure.ac5363
1 files changed, 5363 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
new file mode 100644
index 0000000..7379ab3
--- /dev/null
+++ b/configure.ac
@@ -0,0 +1,5363 @@
+#
+# Copyright (c) 1999-2004 Damien Miller
+#
+# 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 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.
+
+AC_INIT([OpenSSH], [Portable], [openssh-unix-dev@mindrot.org])
+AC_REVISION($Revision: 1.583 $)
+AC_CONFIG_SRCDIR([ssh.c])
+AC_LANG([C])
+
+AC_CONFIG_HEADER([config.h])
+AC_PROG_CC
+AC_CANONICAL_HOST
+AC_C_BIGENDIAN
+
+# Checks for programs.
+AC_PROG_AWK
+AC_PROG_CPP
+AC_PROG_RANLIB
+AC_PROG_INSTALL
+AC_PROG_EGREP
+AC_PROG_MKDIR_P
+AC_CHECK_TOOLS([AR], [ar])
+AC_PATH_PROG([CAT], [cat])
+AC_PATH_PROG([KILL], [kill])
+AC_PATH_PROG([SED], [sed])
+AC_PATH_PROG([ENT], [ent])
+AC_SUBST([ENT])
+AC_PATH_PROG([TEST_MINUS_S_SH], [bash])
+AC_PATH_PROG([TEST_MINUS_S_SH], [ksh])
+AC_PATH_PROG([TEST_MINUS_S_SH], [sh])
+AC_PATH_PROG([SH], [sh])
+AC_PATH_PROG([GROFF], [groff])
+AC_PATH_PROG([NROFF], [nroff])
+AC_PATH_PROG([MANDOC], [mandoc])
+AC_SUBST([TEST_SHELL], [sh])
+
+dnl select manpage formatter
+if test "x$MANDOC" != "x" ; then
+ MANFMT="$MANDOC"
+elif test "x$NROFF" != "x" ; then
+ MANFMT="$NROFF -mandoc"
+elif test "x$GROFF" != "x" ; then
+ MANFMT="$GROFF -mandoc -Tascii"
+else
+ AC_MSG_WARN([no manpage formatted found])
+ MANFMT="false"
+fi
+AC_SUBST([MANFMT])
+
+dnl for buildpkg.sh
+AC_PATH_PROG([PATH_GROUPADD_PROG], [groupadd], [groupadd],
+ [/usr/sbin${PATH_SEPARATOR}/etc])
+AC_PATH_PROG([PATH_USERADD_PROG], [useradd], [useradd],
+ [/usr/sbin${PATH_SEPARATOR}/etc])
+AC_CHECK_PROG([MAKE_PACKAGE_SUPPORTED], [pkgmk], [yes], [no])
+if test -x /sbin/sh; then
+ AC_SUBST([STARTUP_SCRIPT_SHELL], [/sbin/sh])
+else
+ AC_SUBST([STARTUP_SCRIPT_SHELL], [/bin/sh])
+fi
+
+# System features
+AC_SYS_LARGEFILE
+
+if test -z "$AR" ; then
+ AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
+fi
+
+AC_PATH_PROG([PATH_PASSWD_PROG], [passwd])
+if test ! -z "$PATH_PASSWD_PROG" ; then
+ AC_DEFINE_UNQUOTED([_PATH_PASSWD_PROG], ["$PATH_PASSWD_PROG"],
+ [Full path of your "passwd" program])
+fi
+
+dnl Since autoconf doesn't support it very well, we no longer allow users to
+dnl override LD, however keeping the hook here for now in case there's a use
+dnl use case we overlooked and someone needs to re-enable it. Unless a good
+dnl reason is found we'll be removing this in future.
+LD="$CC"
+AC_SUBST([LD])
+
+AC_C_INLINE
+
+AC_CHECK_DECL([LLONG_MAX], [have_llong_max=1], , [#include <limits.h>])
+AC_CHECK_DECL([SYSTR_POLICY_KILL], [have_systr_policy_kill=1], , [
+ #include <sys/types.h>
+ #include <sys/param.h>
+ #include <dev/systrace.h>
+])
+AC_CHECK_DECL([RLIMIT_NPROC],
+ [AC_DEFINE([HAVE_RLIMIT_NPROC], [], [sys/resource.h has RLIMIT_NPROC])], , [
+ #include <sys/types.h>
+ #include <sys/resource.h>
+])
+AC_CHECK_DECL([PR_SET_NO_NEW_PRIVS], [have_linux_no_new_privs=1], , [
+ #include <sys/types.h>
+ #include <linux/prctl.h>
+])
+
+openssl=yes
+AC_ARG_WITH([openssl],
+ [ --without-openssl Disable use of OpenSSL; use only limited internal crypto **EXPERIMENTAL** ],
+ [ if test "x$withval" = "xno" ; then
+ openssl=no
+ fi
+ ]
+)
+AC_MSG_CHECKING([whether OpenSSL will be used for cryptography])
+if test "x$openssl" = "xyes" ; then
+ AC_MSG_RESULT([yes])
+ AC_DEFINE_UNQUOTED([WITH_OPENSSL], [1], [use libcrypto for cryptography])
+else
+ AC_MSG_RESULT([no])
+fi
+
+use_stack_protector=1
+use_toolchain_hardening=1
+AC_ARG_WITH([stackprotect],
+ [ --without-stackprotect Don't use compiler's stack protection], [
+ if test "x$withval" = "xno"; then
+ use_stack_protector=0
+ fi ])
+AC_ARG_WITH([hardening],
+ [ --without-hardening Don't use toolchain hardening flags], [
+ if test "x$withval" = "xno"; then
+ use_toolchain_hardening=0
+ fi ])
+
+# We use -Werror for the tests only so that we catch warnings like "this is
+# on by default" for things like -fPIE.
+AC_MSG_CHECKING([if $CC supports -Werror])
+saved_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Werror"
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int main(void) { return 0; }]])],
+ [ AC_MSG_RESULT([yes])
+ WERROR="-Werror"],
+ [ AC_MSG_RESULT([no])
+ WERROR="" ]
+)
+CFLAGS="$saved_CFLAGS"
+
+if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
+ OSSH_CHECK_CFLAG_COMPILE([-pipe])
+ OSSH_CHECK_CFLAG_COMPILE([-Qunused-arguments])
+ OSSH_CHECK_CFLAG_COMPILE([-Wunknown-warning-option])
+ OSSH_CHECK_CFLAG_COMPILE([-Wall])
+ OSSH_CHECK_CFLAG_COMPILE([-Wpointer-arith])
+ OSSH_CHECK_CFLAG_COMPILE([-Wuninitialized])
+ OSSH_CHECK_CFLAG_COMPILE([-Wsign-compare])
+ OSSH_CHECK_CFLAG_COMPILE([-Wformat-security])
+ OSSH_CHECK_CFLAG_COMPILE([-Wsizeof-pointer-memaccess])
+ OSSH_CHECK_CFLAG_COMPILE([-Wpointer-sign], [-Wno-pointer-sign])
+ OSSH_CHECK_CFLAG_COMPILE([-Wunused-result], [-Wno-unused-result])
+ OSSH_CHECK_CFLAG_COMPILE([-fno-strict-aliasing])
+ if test "x$use_toolchain_hardening" = "x1"; then
+ OSSH_CHECK_CFLAG_COMPILE([-mretpoline]) # clang
+ OSSH_CHECK_LDFLAG_LINK([-Wl,-z,retpolineplt])
+ OSSH_CHECK_CFLAG_COMPILE([-D_FORTIFY_SOURCE=2])
+ OSSH_CHECK_LDFLAG_LINK([-Wl,-z,relro])
+ OSSH_CHECK_LDFLAG_LINK([-Wl,-z,now])
+ OSSH_CHECK_LDFLAG_LINK([-Wl,-z,noexecstack])
+ # NB. -ftrapv expects certain support functions to be present in
+ # the compiler library (libgcc or similar) to detect integer operations
+ # that can overflow. We must check that the result of enabling it
+ # actually links. The test program compiled/linked includes a number
+ # of integer operations that should exercise this.
+ OSSH_CHECK_CFLAG_LINK([-ftrapv])
+ fi
+ AC_MSG_CHECKING([gcc version])
+ GCC_VER=`$CC -v 2>&1 | $AWK '/gcc version /{print $3}'`
+ case $GCC_VER in
+ 1.*) no_attrib_nonnull=1 ;;
+ 2.8* | 2.9*)
+ no_attrib_nonnull=1
+ ;;
+ 2.*) no_attrib_nonnull=1 ;;
+ *) ;;
+ esac
+ AC_MSG_RESULT([$GCC_VER])
+
+ AC_MSG_CHECKING([if $CC accepts -fno-builtin-memset])
+ saved_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -fno-builtin-memset"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include <string.h> ]],
+ [[ char b[10]; memset(b, 0, sizeof(b)); ]])],
+ [ AC_MSG_RESULT([yes]) ],
+ [ AC_MSG_RESULT([no])
+ CFLAGS="$saved_CFLAGS" ]
+ )
+
+ # -fstack-protector-all doesn't always work for some GCC versions
+ # and/or platforms, so we test if we can. If it's not supported
+ # on a given platform gcc will emit a warning so we use -Werror.
+ if test "x$use_stack_protector" = "x1"; then
+ for t in -fstack-protector-strong -fstack-protector-all \
+ -fstack-protector; do
+ AC_MSG_CHECKING([if $CC supports $t])
+ saved_CFLAGS="$CFLAGS"
+ saved_LDFLAGS="$LDFLAGS"
+ CFLAGS="$CFLAGS $t -Werror"
+ LDFLAGS="$LDFLAGS $t -Werror"
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[ #include <stdio.h> ]],
+ [[
+ char x[256];
+ snprintf(x, sizeof(x), "XXX");
+ ]])],
+ [ AC_MSG_RESULT([yes])
+ CFLAGS="$saved_CFLAGS $t"
+ LDFLAGS="$saved_LDFLAGS $t"
+ AC_MSG_CHECKING([if $t works])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[ #include <stdio.h> ]],
+ [[
+ char x[256];
+ snprintf(x, sizeof(x), "XXX");
+ ]])],
+ [ AC_MSG_RESULT([yes])
+ break ],
+ [ AC_MSG_RESULT([no]) ],
+ [ AC_MSG_WARN([cross compiling: cannot test])
+ break ]
+ )
+ ],
+ [ AC_MSG_RESULT([no]) ]
+ )
+ CFLAGS="$saved_CFLAGS"
+ LDFLAGS="$saved_LDFLAGS"
+ done
+ fi
+
+ if test -z "$have_llong_max"; then
+ # retry LLONG_MAX with -std=gnu99, needed on some Linuxes
+ unset ac_cv_have_decl_LLONG_MAX
+ saved_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -std=gnu99"
+ AC_CHECK_DECL([LLONG_MAX],
+ [have_llong_max=1],
+ [CFLAGS="$saved_CFLAGS"],
+ [#include <limits.h>]
+ )
+ fi
+fi
+
+AC_MSG_CHECKING([if compiler allows __attribute__ on return types])
+AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <stdlib.h>
+__attribute__((__unused__)) static void foo(void){return;}]],
+ [[ exit(0); ]])],
+ [ AC_MSG_RESULT([yes]) ],
+ [ AC_MSG_RESULT([no])
+ AC_DEFINE(NO_ATTRIBUTE_ON_RETURN_TYPE, 1,
+ [compiler does not accept __attribute__ on return types]) ]
+)
+
+AC_MSG_CHECKING([if compiler allows __attribute__ prototype args])
+AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <stdlib.h>
+typedef void foo(const char *, ...) __attribute__((format(printf, 1, 2)));]],
+ [[ exit(0); ]])],
+ [ AC_MSG_RESULT([yes]) ],
+ [ AC_MSG_RESULT([no])
+ AC_DEFINE(NO_ATTRIBUTE_ON_PROTOTYPE_ARGS, 1,
+ [compiler does not accept __attribute__ on prototype args]) ]
+)
+
+if test "x$no_attrib_nonnull" != "x1" ; then
+ AC_DEFINE([HAVE_ATTRIBUTE__NONNULL__], [1], [Have attribute nonnull])
+fi
+
+AC_ARG_WITH([rpath],
+ [ --without-rpath Disable auto-added -R linker paths],
+ [
+ if test "x$withval" = "xno" ; then
+ need_dash_r=""
+ fi
+ if test "x$withval" = "xyes" ; then
+ need_dash_r=1
+ fi
+ ]
+)
+
+# Allow user to specify flags
+AC_ARG_WITH([cflags],
+ [ --with-cflags Specify additional flags to pass to compiler],
+ [
+ if test -n "$withval" && test "x$withval" != "xno" && \
+ test "x${withval}" != "xyes"; then
+ CFLAGS="$CFLAGS $withval"
+ fi
+ ]
+)
+
+AC_ARG_WITH([cflags-after],
+ [ --with-cflags-after Specify additional flags to pass to compiler after configure],
+ [
+ if test -n "$withval" && test "x$withval" != "xno" && \
+ test "x${withval}" != "xyes"; then
+ CFLAGS_AFTER="$withval"
+ fi
+ ]
+)
+AC_ARG_WITH([cppflags],
+ [ --with-cppflags Specify additional flags to pass to preprocessor] ,
+ [
+ if test -n "$withval" && test "x$withval" != "xno" && \
+ test "x${withval}" != "xyes"; then
+ CPPFLAGS="$CPPFLAGS $withval"
+ fi
+ ]
+)
+AC_ARG_WITH([ldflags],
+ [ --with-ldflags Specify additional flags to pass to linker],
+ [
+ if test -n "$withval" && test "x$withval" != "xno" && \
+ test "x${withval}" != "xyes"; then
+ LDFLAGS="$LDFLAGS $withval"
+ fi
+ ]
+)
+AC_ARG_WITH([ldflags-after],
+ [ --with-ldflags-after Specify additional flags to pass to linker after configure],
+ [
+ if test -n "$withval" && test "x$withval" != "xno" && \
+ test "x${withval}" != "xyes"; then
+ LDFLAGS_AFTER="$withval"
+ fi
+ ]
+)
+AC_ARG_WITH([libs],
+ [ --with-libs Specify additional libraries to link with],
+ [
+ if test -n "$withval" && test "x$withval" != "xno" && \
+ test "x${withval}" != "xyes"; then
+ LIBS="$LIBS $withval"
+ fi
+ ]
+)
+AC_ARG_WITH([Werror],
+ [ --with-Werror Build main code with -Werror],
+ [
+ if test -n "$withval" && test "x$withval" != "xno"; then
+ werror_flags="-Werror"
+ if test "x${withval}" != "xyes"; then
+ werror_flags="$withval"
+ fi
+ fi
+ ]
+)
+
+AC_CHECK_HEADERS([ \
+ blf.h \
+ bstring.h \
+ crypt.h \
+ crypto/sha2.h \
+ dirent.h \
+ endian.h \
+ elf.h \
+ err.h \
+ features.h \
+ fcntl.h \
+ floatingpoint.h \
+ getopt.h \
+ glob.h \
+ ia.h \
+ iaf.h \
+ ifaddrs.h \
+ inttypes.h \
+ langinfo.h \
+ limits.h \
+ locale.h \
+ login.h \
+ maillock.h \
+ ndir.h \
+ net/if_tun.h \
+ netdb.h \
+ netgroup.h \
+ pam/pam_appl.h \
+ paths.h \
+ poll.h \
+ pty.h \
+ readpassphrase.h \
+ rpc/types.h \
+ security/pam_appl.h \
+ sha2.h \
+ shadow.h \
+ stddef.h \
+ stdint.h \
+ string.h \
+ strings.h \
+ sys/bitypes.h \
+ sys/bsdtty.h \
+ sys/cdefs.h \
+ sys/dir.h \
+ sys/file.h \
+ sys/mman.h \
+ sys/label.h \
+ sys/ndir.h \
+ sys/poll.h \
+ sys/prctl.h \
+ sys/pstat.h \
+ sys/ptrace.h \
+ sys/random.h \
+ sys/select.h \
+ sys/stat.h \
+ sys/stream.h \
+ sys/stropts.h \
+ sys/strtio.h \
+ sys/statvfs.h \
+ sys/sysmacros.h \
+ sys/time.h \
+ sys/timers.h \
+ sys/vfs.h \
+ time.h \
+ tmpdir.h \
+ ttyent.h \
+ ucred.h \
+ unistd.h \
+ usersec.h \
+ util.h \
+ utime.h \
+ utmp.h \
+ utmpx.h \
+ vis.h \
+ wchar.h \
+])
+
+# On some platforms (eg SunOS4) sys/audit.h requires sys/[time|types|label.h]
+# to be included first.
+AC_CHECK_HEADERS([sys/audit.h], [], [], [
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_LABEL_H
+# include <sys/label.h>
+#endif
+])
+
+# sys/capsicum.h requires sys/types.h
+AC_CHECK_HEADERS([sys/capsicum.h], [], [], [
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+])
+
+# net/route.h requires sys/socket.h and sys/types.h.
+# sys/sysctl.h also requires sys/param.h
+AC_CHECK_HEADERS([net/route.h sys/sysctl.h], [], [], [
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#include <sys/param.h>
+#include <sys/socket.h>
+])
+
+# lastlog.h requires sys/time.h to be included first on Solaris
+AC_CHECK_HEADERS([lastlog.h], [], [], [
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+])
+
+# sys/ptms.h requires sys/stream.h to be included first on Solaris
+AC_CHECK_HEADERS([sys/ptms.h], [], [], [
+#ifdef HAVE_SYS_STREAM_H
+# include <sys/stream.h>
+#endif
+])
+
+# login_cap.h requires sys/types.h on NetBSD
+AC_CHECK_HEADERS([login_cap.h], [], [], [
+#include <sys/types.h>
+])
+
+# older BSDs need sys/param.h before sys/mount.h
+AC_CHECK_HEADERS([sys/mount.h], [], [], [
+#include <sys/param.h>
+])
+
+# Android requires sys/socket.h to be included before sys/un.h
+AC_CHECK_HEADERS([sys/un.h], [], [], [
+#include <sys/types.h>
+#include <sys/socket.h>
+])
+
+# Messages for features tested for in target-specific section
+SIA_MSG="no"
+SPC_MSG="no"
+SP_MSG="no"
+SPP_MSG="no"
+
+# Support for Solaris/Illumos privileges (this test is used by both
+# the --with-solaris-privs option and --with-sandbox=solaris).
+SOLARIS_PRIVS="no"
+
+# Check for some target-specific stuff
+case "$host" in
+*-*-aix*)
+ # Some versions of VAC won't allow macro redefinitions at
+ # -qlanglevel=ansi, and autoconf 2.60 sometimes insists on using that
+ # particularly with older versions of vac or xlc.
+ # It also throws errors about null macro arguments, but these are
+ # not fatal.
+ AC_MSG_CHECKING([if compiler allows macro redefinitions])
+ AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[
+#define testmacro foo
+#define testmacro bar]],
+ [[ exit(0); ]])],
+ [ AC_MSG_RESULT([yes]) ],
+ [ AC_MSG_RESULT([no])
+ CC="`echo $CC | sed 's/-qlanglvl\=ansi//g'`"
+ CFLAGS="`echo $CFLAGS | sed 's/-qlanglvl\=ansi//g'`"
+ CPPFLAGS="`echo $CPPFLAGS | sed 's/-qlanglvl\=ansi//g'`"
+ ]
+ )
+
+ AC_MSG_CHECKING([how to specify blibpath for linker ($LD)])
+ if (test -z "$blibpath"); then
+ blibpath="/usr/lib:/lib"
+ fi
+ saved_LDFLAGS="$LDFLAGS"
+ if test "$GCC" = "yes"; then
+ flags="-Wl,-blibpath: -Wl,-rpath, -blibpath:"
+ else
+ flags="-blibpath: -Wl,-blibpath: -Wl,-rpath,"
+ fi
+ for tryflags in $flags ;do
+ if (test -z "$blibflags"); then
+ LDFLAGS="$saved_LDFLAGS $tryflags$blibpath"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
+ [blibflags=$tryflags], [])
+ fi
+ done
+ if (test -z "$blibflags"); then
+ AC_MSG_RESULT([not found])
+ AC_MSG_ERROR([*** must be able to specify blibpath on AIX - check config.log])
+ else
+ AC_MSG_RESULT([$blibflags])
+ fi
+ LDFLAGS="$saved_LDFLAGS"
+ dnl Check for authenticate. Might be in libs.a on older AIXes
+ AC_CHECK_FUNC([authenticate], [AC_DEFINE([WITH_AIXAUTHENTICATE], [1],
+ [Define if you want to enable AIX4's authenticate function])],
+ [AC_CHECK_LIB([s], [authenticate],
+ [ AC_DEFINE([WITH_AIXAUTHENTICATE])
+ LIBS="$LIBS -ls"
+ ])
+ ])
+ dnl Check for various auth function declarations in headers.
+ AC_CHECK_DECLS([authenticate, loginrestrictions, loginsuccess,
+ passwdexpired, setauthdb], , , [#include <usersec.h>])
+ dnl Check if loginfailed is declared and takes 4 arguments (AIX >= 5.2)
+ AC_CHECK_DECLS([loginfailed],
+ [AC_MSG_CHECKING([if loginfailed takes 4 arguments])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <usersec.h> ]],
+ [[ (void)loginfailed("user","host","tty",0); ]])],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE([AIX_LOGINFAILED_4ARG], [1],
+ [Define if your AIX loginfailed() function
+ takes 4 arguments (AIX >= 5.2)])], [AC_MSG_RESULT([no])
+ ])],
+ [],
+ [#include <usersec.h>]
+ )
+ AC_CHECK_FUNCS([getgrset setauthdb])
+ AC_CHECK_DECL([F_CLOSEM],
+ AC_DEFINE([HAVE_FCNTL_CLOSEM], [1], [Use F_CLOSEM fcntl for closefrom]),
+ [],
+ [ #include <limits.h>
+ #include <fcntl.h> ]
+ )
+ check_for_aix_broken_getaddrinfo=1
+ AC_DEFINE([BROKEN_REALPATH], [1], [Define if you have a broken realpath.])
+ AC_DEFINE([SETEUID_BREAKS_SETUID], [1],
+ [Define if your platform breaks doing a seteuid before a setuid])
+ AC_DEFINE([BROKEN_SETREUID], [1], [Define if your setreuid() is broken])
+ AC_DEFINE([BROKEN_SETREGID], [1], [Define if your setregid() is broken])
+ dnl AIX handles lastlog as part of its login message
+ AC_DEFINE([DISABLE_LASTLOG], [1], [Define if you don't want to use lastlog])
+ AC_DEFINE([LOGIN_NEEDS_UTMPX], [1],
+ [Some systems need a utmpx entry for /bin/login to work])
+ AC_DEFINE([SPT_TYPE], [SPT_REUSEARGV],
+ [Define to a Set Process Title type if your system is
+ supported by bsd-setproctitle.c])
+ AC_DEFINE([SSHPAM_CHAUTHTOK_NEEDS_RUID], [1],
+ [AIX 5.2 and 5.3 (and presumably newer) require this])
+ AC_DEFINE([PTY_ZEROREAD], [1], [read(1) can return 0 for a non-closed fd])
+ AC_DEFINE([PLATFORM_SYS_DIR_UID], 2, [System dirs owned by bin (uid 2)])
+ AC_DEFINE([BROKEN_STRNDUP], 1, [strndup broken, see APAR IY61211])
+ AC_DEFINE([BROKEN_STRNLEN], 1, [strnlen broken, see APAR IY62551])
+ ;;
+*-*-android*)
+ AC_DEFINE([DISABLE_UTMP], [1], [Define if you don't want to use utmp])
+ AC_DEFINE([DISABLE_WTMP], [1], [Define if you don't want to use wtmp])
+ ;;
+*-*-cygwin*)
+ check_for_libcrypt_later=1
+ LIBS="$LIBS /usr/lib/textreadmode.o"
+ AC_DEFINE([HAVE_CYGWIN], [1], [Define if you are on Cygwin])
+ AC_DEFINE([USE_PIPES], [1], [Use PIPES instead of a socketpair()])
+ AC_DEFINE([NO_UID_RESTORATION_TEST], [1],
+ [Define to disable UID restoration test])
+ AC_DEFINE([DISABLE_SHADOW], [1],
+ [Define if you want to disable shadow passwords])
+ AC_DEFINE([NO_X11_UNIX_SOCKETS], [1],
+ [Define if X11 doesn't support AF_UNIX sockets on that system])
+ AC_DEFINE([DISABLE_FD_PASSING], [1],
+ [Define if your platform needs to skip post auth
+ file descriptor passing])
+ AC_DEFINE([SSH_IOBUFSZ], [65535], [Windows is sensitive to read buffer size])
+ AC_DEFINE([FILESYSTEM_NO_BACKSLASH], [1], [File names may not contain backslash characters])
+ # Cygwin defines optargs, optargs as declspec(dllimport) for historical
+ # reasons which cause compile warnings, so we disable those warnings.
+ OSSH_CHECK_CFLAG_COMPILE([-Wno-attributes])
+ ;;
+*-*-dgux*)
+ AC_DEFINE([IP_TOS_IS_BROKEN], [1],
+ [Define if your system choked on IP TOS setting])
+ AC_DEFINE([SETEUID_BREAKS_SETUID])
+ AC_DEFINE([BROKEN_SETREUID])
+ AC_DEFINE([BROKEN_SETREGID])
+ ;;
+*-*-darwin*)
+ use_pie=auto
+ AC_MSG_CHECKING([if we have working getaddrinfo])
+ AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <mach-o/dyld.h>
+main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
+ exit(0);
+ else
+ exit(1);
+}
+ ]])],
+ [AC_MSG_RESULT([working])],
+ [AC_MSG_RESULT([buggy])
+ AC_DEFINE([BROKEN_GETADDRINFO], [1],
+ [getaddrinfo is broken (if present)])
+ ],
+ [AC_MSG_RESULT([assume it is working])])
+ AC_DEFINE([SETEUID_BREAKS_SETUID])
+ AC_DEFINE([BROKEN_SETREUID])
+ AC_DEFINE([BROKEN_SETREGID])
+ AC_DEFINE([BROKEN_GLOB], [1], [OS X glob does not do what we expect])
+ AC_DEFINE_UNQUOTED([BIND_8_COMPAT], [1],
+ [Define if your resolver libs need this for getrrsetbyname])
+ AC_DEFINE([SSH_TUN_FREEBSD], [1], [Open tunnel devices the FreeBSD way])
+ AC_DEFINE([SSH_TUN_COMPAT_AF], [1],
+ [Use tunnel device compatibility to OpenBSD])
+ AC_DEFINE([SSH_TUN_PREPEND_AF], [1],
+ [Prepend the address family to IP tunnel traffic])
+ m4_pattern_allow([AU_IPv])
+ AC_CHECK_DECL([AU_IPv4], [],
+ AC_DEFINE([AU_IPv4], [0], [System only supports IPv4 audit records])
+ [#include <bsm/audit.h>]
+ AC_DEFINE([LASTLOG_WRITE_PUTUTXLINE], [1],
+ [Define if pututxline updates lastlog too])
+ )
+ AC_DEFINE([SPT_TYPE], [SPT_REUSEARGV],
+ [Define to a Set Process Title type if your system is
+ supported by bsd-setproctitle.c])
+ AC_CHECK_FUNCS([sandbox_init])
+ AC_CHECK_HEADERS([sandbox.h])
+ AC_CHECK_LIB([sandbox], [sandbox_apply], [
+ SSHDLIBS="$SSHDLIBS -lsandbox"
+ ])
+ ;;
+*-*-dragonfly*)
+ SSHDLIBS="$SSHDLIBS -lcrypt"
+ TEST_MALLOC_OPTIONS="AFGJPRX"
+ ;;
+*-*-haiku*)
+ LIBS="$LIBS -lbsd "
+ AC_CHECK_LIB([network], [socket])
+ AC_DEFINE([HAVE_U_INT64_T])
+ MANTYPE=man
+ ;;
+*-*-hpux*)
+ # first we define all of the options common to all HP-UX releases
+ CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
+ IPADDR_IN_DISPLAY=yes
+ AC_DEFINE([USE_PIPES])
+ AC_DEFINE([LOGIN_NEEDS_UTMPX])
+ AC_DEFINE([LOCKED_PASSWD_STRING], ["*"],
+ [String used in /etc/passwd to denote locked account])
+ AC_DEFINE([SPT_TYPE], [SPT_PSTAT])
+ AC_DEFINE([PLATFORM_SYS_DIR_UID], 2, [System dirs owned by bin (uid 2)])
+ maildir="/var/mail"
+ LIBS="$LIBS -lsec"
+ AC_CHECK_LIB([xnet], [t_error], ,
+ [AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***])])
+
+ # next, we define all of the options specific to major releases
+ case "$host" in
+ *-*-hpux10*)
+ if test -z "$GCC"; then
+ CFLAGS="$CFLAGS -Ae"
+ fi
+ ;;
+ *-*-hpux11*)
+ AC_DEFINE([PAM_SUN_CODEBASE], [1],
+ [Define if you are using Solaris-derived PAM which
+ passes pam_messages to the conversation function
+ with an extra level of indirection])
+ AC_DEFINE([DISABLE_UTMP], [1],
+ [Define if you don't want to use utmp])
+ AC_DEFINE([USE_BTMP], [1], [Use btmp to log bad logins])
+ check_for_hpux_broken_getaddrinfo=1
+ check_for_conflicting_getspnam=1
+ ;;
+ esac
+
+ # lastly, we define options specific to minor releases
+ case "$host" in
+ *-*-hpux10.26)
+ AC_DEFINE([HAVE_SECUREWARE], [1],
+ [Define if you have SecureWare-based
+ protected password database])
+ disable_ptmx_check=yes
+ LIBS="$LIBS -lsecpw"
+ ;;
+ esac
+ ;;
+*-*-irix5*)
+ PATH="$PATH:/usr/etc"
+ AC_DEFINE([BROKEN_INET_NTOA], [1],
+ [Define if you system's inet_ntoa is busted
+ (e.g. Irix gcc issue)])
+ AC_DEFINE([SETEUID_BREAKS_SETUID])
+ AC_DEFINE([BROKEN_SETREUID])
+ AC_DEFINE([BROKEN_SETREGID])
+ AC_DEFINE([WITH_ABBREV_NO_TTY], [1],
+ [Define if you shouldn't strip 'tty' from your
+ ttyname in [uw]tmp])
+ AC_DEFINE([LOCKED_PASSWD_STRING], ["*LK*"])
+ ;;
+*-*-irix6*)
+ PATH="$PATH:/usr/etc"
+ AC_DEFINE([WITH_IRIX_ARRAY], [1],
+ [Define if you have/want arrays
+ (cluster-wide session management, not C arrays)])
+ AC_DEFINE([WITH_IRIX_PROJECT], [1],
+ [Define if you want IRIX project management])
+ AC_DEFINE([WITH_IRIX_AUDIT], [1],
+ [Define if you want IRIX audit trails])
+ AC_CHECK_FUNC([jlimit_startjob], [AC_DEFINE([WITH_IRIX_JOBS], [1],
+ [Define if you want IRIX kernel jobs])])
+ AC_DEFINE([BROKEN_INET_NTOA])
+ AC_DEFINE([SETEUID_BREAKS_SETUID])
+ AC_DEFINE([BROKEN_SETREUID])
+ AC_DEFINE([BROKEN_SETREGID])
+ AC_DEFINE([BROKEN_UPDWTMPX], [1], [updwtmpx is broken (if present)])
+ AC_DEFINE([WITH_ABBREV_NO_TTY])
+ AC_DEFINE([LOCKED_PASSWD_STRING], ["*LK*"])
+ ;;
+*-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
+ check_for_libcrypt_later=1
+ AC_DEFINE([PAM_TTY_KLUDGE])
+ AC_DEFINE([LOCKED_PASSWD_PREFIX], ["!"])
+ AC_DEFINE([SPT_TYPE], [SPT_REUSEARGV])
+ AC_DEFINE([_PATH_BTMP], ["/var/log/btmp"], [log for bad login attempts])
+ AC_DEFINE([USE_BTMP], [1], [Use btmp to log bad logins])
+ ;;
+*-*-linux*)
+ no_dev_ptmx=1
+ use_pie=auto
+ check_for_libcrypt_later=1
+ check_for_openpty_ctty_bug=1
+ dnl Target SUSv3/POSIX.1-2001 plus BSD specifics.
+ dnl _DEFAULT_SOURCE is the new name for _BSD_SOURCE
+ CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=600 -D_BSD_SOURCE -D_DEFAULT_SOURCE"
+ AC_DEFINE([PAM_TTY_KLUDGE], [1],
+ [Work around problematic Linux PAM modules handling of PAM_TTY])
+ AC_DEFINE([LOCKED_PASSWD_PREFIX], ["!"],
+ [String used in /etc/passwd to denote locked account])
+ AC_DEFINE([SPT_TYPE], [SPT_REUSEARGV])
+ AC_DEFINE([LINK_OPNOTSUPP_ERRNO], [EPERM],
+ [Define to whatever link() returns for "not supported"
+ if it doesn't return EOPNOTSUPP.])
+ AC_DEFINE([_PATH_BTMP], ["/var/log/btmp"], [log for bad login attempts])
+ AC_DEFINE([USE_BTMP])
+ AC_DEFINE([LINUX_OOM_ADJUST], [1], [Adjust Linux out-of-memory killer])
+ inet6_default_4in6=yes
+ case `uname -r` in
+ 1.*|2.0.*)
+ AC_DEFINE([BROKEN_CMSG_TYPE], [1],
+ [Define if cmsg_type is not passed correctly])
+ ;;
+ esac
+ # tun(4) forwarding compat code
+ AC_CHECK_HEADERS([linux/if_tun.h])
+ if test "x$ac_cv_header_linux_if_tun_h" = "xyes" ; then
+ AC_DEFINE([SSH_TUN_LINUX], [1],
+ [Open tunnel devices the Linux tun/tap way])
+ AC_DEFINE([SSH_TUN_COMPAT_AF], [1],
+ [Use tunnel device compatibility to OpenBSD])
+ AC_DEFINE([SSH_TUN_PREPEND_AF], [1],
+ [Prepend the address family to IP tunnel traffic])
+ fi
+ AC_CHECK_HEADER([linux/if.h],
+ AC_DEFINE([SYS_RDOMAIN_LINUX], [1],
+ [Support routing domains using Linux VRF]), [], [
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.H>
+#endif
+ ])
+ AC_CHECK_HEADERS([linux/seccomp.h linux/filter.h linux/audit.h], [],
+ [], [#include <linux/types.h>])
+ # Obtain MIPS ABI
+ case "$host" in
+ mips*)
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#if _MIPS_SIM != _ABIO32
+#error
+#endif
+ ]])],[mips_abi="o32"],[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#if _MIPS_SIM != _ABIN32
+#error
+#endif
+ ]])],[mips_abi="n32"],[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#if _MIPS_SIM != _ABI64
+#error
+#endif
+ ]])],[mips_abi="n64"],[AC_MSG_ERROR([unknown MIPS ABI])
+ ])
+ ])
+ ])
+ ;;
+ esac
+ AC_MSG_CHECKING([for seccomp architecture])
+ seccomp_audit_arch=
+ case "$host" in
+ x86_64-*)
+ seccomp_audit_arch=AUDIT_ARCH_X86_64
+ ;;
+ i*86-*)
+ seccomp_audit_arch=AUDIT_ARCH_I386
+ ;;
+ arm*-*)
+ seccomp_audit_arch=AUDIT_ARCH_ARM
+ ;;
+ aarch64*-*)
+ seccomp_audit_arch=AUDIT_ARCH_AARCH64
+ ;;
+ s390x-*)
+ seccomp_audit_arch=AUDIT_ARCH_S390X
+ ;;
+ s390-*)
+ seccomp_audit_arch=AUDIT_ARCH_S390
+ ;;
+ powerpc64-*)
+ seccomp_audit_arch=AUDIT_ARCH_PPC64
+ ;;
+ powerpc64le-*)
+ seccomp_audit_arch=AUDIT_ARCH_PPC64LE
+ ;;
+ mips-*)
+ seccomp_audit_arch=AUDIT_ARCH_MIPS
+ ;;
+ mipsel-*)
+ seccomp_audit_arch=AUDIT_ARCH_MIPSEL
+ ;;
+ mips64-*)
+ case "$mips_abi" in
+ "n32")
+ seccomp_audit_arch=AUDIT_ARCH_MIPS64N32
+ ;;
+ "n64")
+ seccomp_audit_arch=AUDIT_ARCH_MIPS64
+ ;;
+ esac
+ ;;
+ mips64el-*)
+ case "$mips_abi" in
+ "n32")
+ seccomp_audit_arch=AUDIT_ARCH_MIPSEL64N32
+ ;;
+ "n64")
+ seccomp_audit_arch=AUDIT_ARCH_MIPSEL64
+ ;;
+ esac
+ ;;
+ esac
+ if test "x$seccomp_audit_arch" != "x" ; then
+ AC_MSG_RESULT(["$seccomp_audit_arch"])
+ AC_DEFINE_UNQUOTED([SECCOMP_AUDIT_ARCH], [$seccomp_audit_arch],
+ [Specify the system call convention in use])
+ else
+ AC_MSG_RESULT([architecture not supported])
+ fi
+ ;;
+mips-sony-bsd|mips-sony-newsos4)
+ AC_DEFINE([NEED_SETPGRP], [1], [Need setpgrp to acquire controlling tty])
+ SONY=1
+ ;;
+*-*-netbsd*)
+ check_for_libcrypt_before=1
+ if test "x$withval" != "xno" ; then
+ need_dash_r=1
+ fi
+ CPPFLAGS="$CPPFLAGS -D_OPENBSD_SOURCE"
+ AC_DEFINE([SSH_TUN_FREEBSD], [1], [Open tunnel devices the FreeBSD way])
+ AC_CHECK_HEADER([net/if_tap.h], ,
+ AC_DEFINE([SSH_TUN_NO_L2], [1], [No layer 2 tunnel support]))
+ AC_DEFINE([SSH_TUN_PREPEND_AF], [1],
+ [Prepend the address family to IP tunnel traffic])
+ TEST_MALLOC_OPTIONS="AJRX"
+ AC_DEFINE([BROKEN_READ_COMPARISON], [1],
+ [NetBSD read function is sometimes redirected, breaking atomicio comparisons against it])
+ ;;
+*-*-freebsd*)
+ check_for_libcrypt_later=1
+ AC_DEFINE([LOCKED_PASSWD_PREFIX], ["*LOCKED*"], [Account locked with pw(1)])
+ AC_DEFINE([SSH_TUN_FREEBSD], [1], [Open tunnel devices the FreeBSD way])
+ AC_CHECK_HEADER([net/if_tap.h], ,
+ AC_DEFINE([SSH_TUN_NO_L2], [1], [No layer 2 tunnel support]))
+ AC_DEFINE([BROKEN_GLOB], [1], [FreeBSD glob does not do what we need])
+ TEST_MALLOC_OPTIONS="AJRX"
+ # Preauth crypto occasionally uses file descriptors for crypto offload
+ # and will crash if they cannot be opened.
+ AC_DEFINE([SANDBOX_SKIP_RLIMIT_NOFILE], [1],
+ [define if setrlimit RLIMIT_NOFILE breaks things])
+ ;;
+*-*-bsdi*)
+ AC_DEFINE([SETEUID_BREAKS_SETUID])
+ AC_DEFINE([BROKEN_SETREUID])
+ AC_DEFINE([BROKEN_SETREGID])
+ ;;
+*-next-*)
+ conf_lastlog_location="/usr/adm/lastlog"
+ conf_utmp_location=/etc/utmp
+ conf_wtmp_location=/usr/adm/wtmp
+ maildir=/usr/spool/mail
+ AC_DEFINE([HAVE_NEXT], [1], [Define if you are on NeXT])
+ AC_DEFINE([BROKEN_REALPATH])
+ AC_DEFINE([USE_PIPES])
+ AC_DEFINE([BROKEN_SAVED_UIDS], [1], [Needed for NeXT])
+ ;;
+*-*-openbsd*)
+ use_pie=auto
+ AC_DEFINE([HAVE_ATTRIBUTE__SENTINEL__], [1], [OpenBSD's gcc has sentinel])
+ AC_DEFINE([HAVE_ATTRIBUTE__BOUNDED__], [1], [OpenBSD's gcc has bounded])
+ AC_DEFINE([SSH_TUN_OPENBSD], [1], [Open tunnel devices the OpenBSD way])
+ AC_DEFINE([SYSLOG_R_SAFE_IN_SIGHAND], [1],
+ [syslog_r function is safe to use in in a signal handler])
+ TEST_MALLOC_OPTIONS="AFGJPRX"
+ ;;
+*-*-solaris*)
+ if test "x$withval" != "xno" ; then
+ need_dash_r=1
+ fi
+ AC_DEFINE([PAM_SUN_CODEBASE])
+ AC_DEFINE([LOGIN_NEEDS_UTMPX])
+ AC_DEFINE([PAM_TTY_KLUDGE])
+ AC_DEFINE([SSHPAM_CHAUTHTOK_NEEDS_RUID], [1],
+ [Define if pam_chauthtok wants real uid set
+ to the unpriv'ed user])
+ AC_DEFINE([LOCKED_PASSWD_STRING], ["*LK*"])
+ # Pushing STREAMS modules will cause sshd to acquire a controlling tty.
+ AC_DEFINE([SSHD_ACQUIRES_CTTY], [1],
+ [Define if sshd somehow reacquires a controlling TTY
+ after setsid()])
+ AC_DEFINE([PASSWD_NEEDS_USERNAME], [1], [must supply username to passwd
+ in case the name is longer than 8 chars])
+ AC_DEFINE([BROKEN_TCGETATTR_ICANON], [1], [tcgetattr with ICANON may hang])
+ external_path_file=/etc/default/login
+ # hardwire lastlog location (can't detect it on some versions)
+ conf_lastlog_location="/var/adm/lastlog"
+ AC_MSG_CHECKING([for obsolete utmp and wtmp in solaris2.x])
+ sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
+ if test "$sol2ver" -ge 8; then
+ AC_MSG_RESULT([yes])
+ AC_DEFINE([DISABLE_UTMP])
+ AC_DEFINE([DISABLE_WTMP], [1],
+ [Define if you don't want to use wtmp])
+ else
+ AC_MSG_RESULT([no])
+ fi
+ AC_CHECK_FUNCS([setpflags])
+ AC_CHECK_FUNCS([setppriv])
+ AC_CHECK_FUNCS([priv_basicset])
+ AC_CHECK_HEADERS([priv.h])
+ AC_ARG_WITH([solaris-contracts],
+ [ --with-solaris-contracts Enable Solaris process contracts (experimental)],
+ [
+ AC_CHECK_LIB([contract], [ct_tmpl_activate],
+ [ AC_DEFINE([USE_SOLARIS_PROCESS_CONTRACTS], [1],
+ [Define if you have Solaris process contracts])
+ LIBS="$LIBS -lcontract"
+ SPC_MSG="yes" ], )
+ ],
+ )
+ AC_ARG_WITH([solaris-projects],
+ [ --with-solaris-projects Enable Solaris projects (experimental)],
+ [
+ AC_CHECK_LIB([project], [setproject],
+ [ AC_DEFINE([USE_SOLARIS_PROJECTS], [1],
+ [Define if you have Solaris projects])
+ LIBS="$LIBS -lproject"
+ SP_MSG="yes" ], )
+ ],
+ )
+ AC_ARG_WITH([solaris-privs],
+ [ --with-solaris-privs Enable Solaris/Illumos privileges (experimental)],
+ [
+ AC_MSG_CHECKING([for Solaris/Illumos privilege support])
+ if test "x$ac_cv_func_setppriv" = "xyes" -a \
+ "x$ac_cv_header_priv_h" = "xyes" ; then
+ SOLARIS_PRIVS=yes
+ AC_MSG_RESULT([found])
+ AC_DEFINE([NO_UID_RESTORATION_TEST], [1],
+ [Define to disable UID restoration test])
+ AC_DEFINE([USE_SOLARIS_PRIVS], [1],
+ [Define if you have Solaris privileges])
+ SPP_MSG="yes"
+ else
+ AC_MSG_RESULT([not found])
+ AC_MSG_ERROR([*** must have support for Solaris privileges to use --with-solaris-privs])
+ fi
+ ],
+ )
+ TEST_SHELL=$SHELL # let configure find us a capable shell
+ ;;
+*-*-sunos4*)
+ CPPFLAGS="$CPPFLAGS -DSUNOS4"
+ AC_CHECK_FUNCS([getpwanam])
+ AC_DEFINE([PAM_SUN_CODEBASE])
+ conf_utmp_location=/etc/utmp
+ conf_wtmp_location=/var/adm/wtmp
+ conf_lastlog_location=/var/adm/lastlog
+ AC_DEFINE([USE_PIPES])
+ AC_DEFINE([DISABLE_UTMPX], [1], [no utmpx])
+ ;;
+*-ncr-sysv*)
+ LIBS="$LIBS -lc89"
+ AC_DEFINE([USE_PIPES])
+ AC_DEFINE([SSHD_ACQUIRES_CTTY])
+ AC_DEFINE([SETEUID_BREAKS_SETUID])
+ AC_DEFINE([BROKEN_SETREUID])
+ AC_DEFINE([BROKEN_SETREGID])
+ ;;
+*-sni-sysv*)
+ # /usr/ucblib MUST NOT be searched on ReliantUNIX
+ AC_CHECK_LIB([dl], [dlsym], ,)
+ # -lresolv needs to be at the end of LIBS or DNS lookups break
+ AC_CHECK_LIB([resolv], [res_query], [ LIBS="$LIBS -lresolv" ])
+ IPADDR_IN_DISPLAY=yes
+ AC_DEFINE([USE_PIPES])
+ AC_DEFINE([IP_TOS_IS_BROKEN])
+ AC_DEFINE([SETEUID_BREAKS_SETUID])
+ AC_DEFINE([BROKEN_SETREUID])
+ AC_DEFINE([BROKEN_SETREGID])
+ AC_DEFINE([SSHD_ACQUIRES_CTTY])
+ external_path_file=/etc/default/login
+ # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
+ # Attention: always take care to bind libsocket and libnsl before libc,
+ # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
+ ;;
+# UnixWare 1.x, UnixWare 2.x, and others based on code from Univel.
+*-*-sysv4.2*)
+ AC_DEFINE([USE_PIPES])
+ AC_DEFINE([SETEUID_BREAKS_SETUID])
+ AC_DEFINE([BROKEN_SETREUID])
+ AC_DEFINE([BROKEN_SETREGID])
+ AC_DEFINE([PASSWD_NEEDS_USERNAME], [1], [must supply username to passwd])
+ AC_DEFINE([LOCKED_PASSWD_STRING], ["*LK*"])
+ TEST_SHELL=$SHELL # let configure find us a capable shell
+ ;;
+# UnixWare 7.x, OpenUNIX 8
+*-*-sysv5*)
+ CPPFLAGS="$CPPFLAGS -Dvsnprintf=_xvsnprintf -Dsnprintf=_xsnprintf"
+ AC_DEFINE([UNIXWARE_LONG_PASSWORDS], [1], [Support passwords > 8 chars])
+ AC_DEFINE([USE_PIPES])
+ AC_DEFINE([SETEUID_BREAKS_SETUID])
+ AC_DEFINE([BROKEN_GETADDRINFO])
+ AC_DEFINE([BROKEN_SETREUID])
+ AC_DEFINE([BROKEN_SETREGID])
+ AC_DEFINE([PASSWD_NEEDS_USERNAME])
+ AC_DEFINE([BROKEN_TCGETATTR_ICANON])
+ TEST_SHELL=$SHELL # let configure find us a capable shell
+ check_for_libcrypt_later=1
+ case "$host" in
+ *-*-sysv5SCO_SV*) # SCO OpenServer 6.x
+ maildir=/var/spool/mail
+ AC_DEFINE([BROKEN_UPDWTMPX])
+ AC_CHECK_LIB([prot], [getluid], [ LIBS="$LIBS -lprot"
+ AC_CHECK_FUNCS([getluid setluid], , , [-lprot])
+ ], , )
+ ;;
+ *) AC_DEFINE([LOCKED_PASSWD_STRING], ["*LK*"])
+ ;;
+ esac
+ ;;
+*-*-sysv*)
+ ;;
+# SCO UNIX and OEM versions of SCO UNIX
+*-*-sco3.2v4*)
+ AC_MSG_ERROR("This Platform is no longer supported.")
+ ;;
+# SCO OpenServer 5.x
+*-*-sco3.2v5*)
+ if test -z "$GCC"; then
+ CFLAGS="$CFLAGS -belf"
+ fi
+ LIBS="$LIBS -lprot -lx -ltinfo -lm"
+ no_dev_ptmx=1
+ AC_DEFINE([USE_PIPES])
+ AC_DEFINE([HAVE_SECUREWARE])
+ AC_DEFINE([DISABLE_SHADOW])
+ AC_DEFINE([DISABLE_FD_PASSING])
+ AC_DEFINE([SETEUID_BREAKS_SETUID])
+ AC_DEFINE([BROKEN_GETADDRINFO])
+ AC_DEFINE([BROKEN_SETREUID])
+ AC_DEFINE([BROKEN_SETREGID])
+ AC_DEFINE([WITH_ABBREV_NO_TTY])
+ AC_DEFINE([BROKEN_UPDWTMPX])
+ AC_DEFINE([PASSWD_NEEDS_USERNAME])
+ AC_CHECK_FUNCS([getluid setluid])
+ MANTYPE=man
+ TEST_SHELL=$SHELL # let configure find us a capable shell
+ SKIP_DISABLE_LASTLOG_DEFINE=yes
+ ;;
+*-dec-osf*)
+ AC_MSG_CHECKING([for Digital Unix SIA])
+ no_osfsia=""
+ AC_ARG_WITH([osfsia],
+ [ --with-osfsia Enable Digital Unix SIA],
+ [
+ if test "x$withval" = "xno" ; then
+ AC_MSG_RESULT([disabled])
+ no_osfsia=1
+ fi
+ ],
+ )
+ if test -z "$no_osfsia" ; then
+ if test -f /etc/sia/matrix.conf; then
+ AC_MSG_RESULT([yes])
+ AC_DEFINE([HAVE_OSF_SIA], [1],
+ [Define if you have Digital Unix Security
+ Integration Architecture])
+ AC_DEFINE([DISABLE_LOGIN], [1],
+ [Define if you don't want to use your
+ system's login() call])
+ AC_DEFINE([DISABLE_FD_PASSING])
+ LIBS="$LIBS -lsecurity -ldb -lm -laud"
+ SIA_MSG="yes"
+ else
+ AC_MSG_RESULT([no])
+ AC_DEFINE([LOCKED_PASSWD_SUBSTR], ["Nologin"],
+ [String used in /etc/passwd to denote locked account])
+ fi
+ fi
+ AC_DEFINE([BROKEN_GETADDRINFO])
+ AC_DEFINE([SETEUID_BREAKS_SETUID])
+ AC_DEFINE([BROKEN_SETREUID])
+ AC_DEFINE([BROKEN_SETREGID])
+ AC_DEFINE([BROKEN_READV_COMPARISON], [1], [Can't do comparisons on readv])
+ ;;
+
+*-*-nto-qnx*)
+ AC_DEFINE([USE_PIPES])
+ AC_DEFINE([NO_X11_UNIX_SOCKETS])
+ AC_DEFINE([DISABLE_LASTLOG])
+ AC_DEFINE([SSHD_ACQUIRES_CTTY])
+ AC_DEFINE([BROKEN_SHADOW_EXPIRE], [1], [QNX shadow support is broken])
+ enable_etc_default_login=no # has incompatible /etc/default/login
+ case "$host" in
+ *-*-nto-qnx6*)
+ AC_DEFINE([DISABLE_FD_PASSING])
+ ;;
+ esac
+ ;;
+
+*-*-ultrix*)
+ AC_DEFINE([BROKEN_GETGROUPS], [1], [getgroups(0,NULL) will return -1])
+ AC_DEFINE([NEED_SETPGRP])
+ AC_DEFINE([HAVE_SYS_SYSLOG_H], [1], [Force use of sys/syslog.h on Ultrix])
+ ;;
+
+*-*-lynxos)
+ CFLAGS="$CFLAGS -D__NO_INCLUDE_WARN__"
+ AC_DEFINE([BROKEN_SETVBUF], [1],
+ [LynxOS has broken setvbuf() implementation])
+ ;;
+esac
+
+AC_MSG_CHECKING([compiler and flags for sanity])
+AC_RUN_IFELSE([AC_LANG_PROGRAM([[ #include <stdio.h> ]], [[ exit(0); ]])],
+ [ AC_MSG_RESULT([yes]) ],
+ [
+ AC_MSG_RESULT([no])
+ AC_MSG_ERROR([*** compiler cannot create working executables, check config.log ***])
+ ],
+ [ AC_MSG_WARN([cross compiling: not checking compiler sanity]) ]
+)
+
+dnl Checks for header files.
+# Checks for libraries.
+AC_CHECK_FUNC([setsockopt], , [AC_CHECK_LIB([socket], [setsockopt])])
+
+dnl IRIX and Solaris 2.5.1 have dirname() in libgen
+AC_CHECK_FUNCS([dirname], [AC_CHECK_HEADERS([libgen.h])] , [
+ AC_CHECK_LIB([gen], [dirname], [
+ AC_CACHE_CHECK([for broken dirname],
+ ac_cv_have_broken_dirname, [
+ save_LIBS="$LIBS"
+ LIBS="$LIBS -lgen"
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
+#include <libgen.h>
+#include <string.h>
+
+int main(int argc, char **argv) {
+ char *s, buf[32];
+
+ strncpy(buf,"/etc", 32);
+ s = dirname(buf);
+ if (!s || strncmp(s, "/", 32) != 0) {
+ exit(1);
+ } else {
+ exit(0);
+ }
+}
+ ]])],
+ [ ac_cv_have_broken_dirname="no" ],
+ [ ac_cv_have_broken_dirname="yes" ],
+ [ ac_cv_have_broken_dirname="no" ],
+ )
+ LIBS="$save_LIBS"
+ ])
+ if test "x$ac_cv_have_broken_dirname" = "xno" ; then
+ LIBS="$LIBS -lgen"
+ AC_DEFINE([HAVE_DIRNAME])
+ AC_CHECK_HEADERS([libgen.h])
+ fi
+ ])
+])
+
+AC_CHECK_FUNC([getspnam], ,
+ [AC_CHECK_LIB([gen], [getspnam], [LIBS="$LIBS -lgen"])])
+AC_SEARCH_LIBS([basename], [gen], [AC_DEFINE([HAVE_BASENAME], [1],
+ [Define if you have the basename function.])])
+
+dnl zlib is required
+AC_ARG_WITH([zlib],
+ [ --with-zlib=PATH Use zlib in PATH],
+ [ if test "x$withval" = "xno" ; then
+ AC_MSG_ERROR([*** zlib is required ***])
+ elif test "x$withval" != "xyes"; then
+ if test -d "$withval/lib"; then
+ if test -n "${need_dash_r}"; then
+ LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
+ else
+ LDFLAGS="-L${withval}/lib ${LDFLAGS}"
+ fi
+ else
+ if test -n "${need_dash_r}"; then
+ LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
+ else
+ LDFLAGS="-L${withval} ${LDFLAGS}"
+ fi
+ fi
+ if test -d "$withval/include"; then
+ CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
+ else
+ CPPFLAGS="-I${withval} ${CPPFLAGS}"
+ fi
+ fi ]
+)
+
+AC_CHECK_HEADER([zlib.h], ,[AC_MSG_ERROR([*** zlib.h missing - please install first or check config.log ***])])
+AC_CHECK_LIB([z], [deflate], ,
+ [
+ saved_CPPFLAGS="$CPPFLAGS"
+ saved_LDFLAGS="$LDFLAGS"
+ save_LIBS="$LIBS"
+ dnl Check default zlib install dir
+ if test -n "${need_dash_r}"; then
+ LDFLAGS="-L/usr/local/lib -R/usr/local/lib ${saved_LDFLAGS}"
+ else
+ LDFLAGS="-L/usr/local/lib ${saved_LDFLAGS}"
+ fi
+ CPPFLAGS="-I/usr/local/include ${saved_CPPFLAGS}"
+ LIBS="$LIBS -lz"
+ AC_TRY_LINK_FUNC([deflate], [AC_DEFINE([HAVE_LIBZ])],
+ [
+ AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***])
+ ]
+ )
+ ]
+)
+
+AC_ARG_WITH([zlib-version-check],
+ [ --without-zlib-version-check Disable zlib version check],
+ [ if test "x$withval" = "xno" ; then
+ zlib_check_nonfatal=1
+ fi
+ ]
+)
+
+AC_MSG_CHECKING([for possibly buggy zlib])
+AC_RUN_IFELSE([AC_LANG_PROGRAM([[
+#include <stdio.h>
+#include <stdlib.h>
+#include <zlib.h>
+ ]],
+ [[
+ int a=0, b=0, c=0, d=0, n, v;
+ n = sscanf(ZLIB_VERSION, "%d.%d.%d.%d", &a, &b, &c, &d);
+ if (n != 3 && n != 4)
+ exit(1);
+ v = a*1000000 + b*10000 + c*100 + d;
+ fprintf(stderr, "found zlib version %s (%d)\n", ZLIB_VERSION, v);
+
+ /* 1.1.4 is OK */
+ if (a == 1 && b == 1 && c >= 4)
+ exit(0);
+
+ /* 1.2.3 and up are OK */
+ if (v >= 1020300)
+ exit(0);
+
+ exit(2);
+ ]])],
+ AC_MSG_RESULT([no]),
+ [ AC_MSG_RESULT([yes])
+ if test -z "$zlib_check_nonfatal" ; then
+ AC_MSG_ERROR([*** zlib too old - check config.log ***
+Your reported zlib version has known security problems. It's possible your
+vendor has fixed these problems without changing the version number. If you
+are sure this is the case, you can disable the check by running
+"./configure --without-zlib-version-check".
+If you are in doubt, upgrade zlib to version 1.2.3 or greater.
+See http://www.gzip.org/zlib/ for details.])
+ else
+ AC_MSG_WARN([zlib version may have security problems])
+ fi
+ ],
+ [ AC_MSG_WARN([cross compiling: not checking zlib version]) ]
+)
+
+dnl UnixWare 2.x
+AC_CHECK_FUNC([strcasecmp],
+ [], [ AC_CHECK_LIB([resolv], [strcasecmp], [LIBS="$LIBS -lresolv"]) ]
+)
+AC_CHECK_FUNCS([utimes],
+ [], [ AC_CHECK_LIB([c89], [utimes], [AC_DEFINE([HAVE_UTIMES])
+ LIBS="$LIBS -lc89"]) ]
+)
+
+dnl Checks for libutil functions
+AC_CHECK_HEADERS([bsd/libutil.h libutil.h])
+AC_SEARCH_LIBS([fmt_scaled], [util bsd])
+AC_SEARCH_LIBS([scan_scaled], [util bsd])
+AC_SEARCH_LIBS([login], [util bsd])
+AC_SEARCH_LIBS([logout], [util bsd])
+AC_SEARCH_LIBS([logwtmp], [util bsd])
+AC_SEARCH_LIBS([openpty], [util bsd])
+AC_SEARCH_LIBS([updwtmp], [util bsd])
+AC_CHECK_FUNCS([fmt_scaled scan_scaled login logout openpty updwtmp logwtmp])
+
+# On some platforms, inet_ntop and gethostbyname may be found in libresolv
+# or libnsl.
+AC_SEARCH_LIBS([inet_ntop], [resolv nsl])
+AC_SEARCH_LIBS([gethostbyname], [resolv nsl])
+
+# "Particular Function Checks"
+# see https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Particular-Functions.html
+AC_FUNC_STRFTIME
+AC_FUNC_MALLOC
+AC_FUNC_REALLOC
+# autoconf doesn't have AC_FUNC_CALLOC so fake it if malloc returns NULL;
+AC_MSG_CHECKING([if calloc(0, N) returns non-null])
+AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[ #include <stdlib.h> ]],
+ [[ void *p = calloc(0, 1); exit(p == NULL); ]]
+ )],
+ [ func_calloc_0_nonnull=yes ],
+ [ func_calloc_0_nonnull=no ],
+ [ AC_MSG_WARN([cross compiling: assuming same as malloc])
+ func_calloc_0_nonnull="$ac_cv_func_malloc_0_nonnull"]
+)
+AC_MSG_RESULT([$func_calloc_0_nonnull])
+
+if test "x$func_calloc_0_nonnull" = "xyes"; then
+ AC_DEFINE(HAVE_CALLOC, 1, [calloc(0, x) returns non-null])
+else
+ AC_DEFINE(HAVE_CALLOC, 0, [calloc(0, x) returns NULL])
+ AC_DEFINE(calloc, rpl_calloc,
+ [Define to rpl_calloc if the replacement function should be used.])
+fi
+
+# Check for ALTDIRFUNC glob() extension
+AC_MSG_CHECKING([for GLOB_ALTDIRFUNC support])
+AC_EGREP_CPP([FOUNDIT],
+ [
+ #include <glob.h>
+ #ifdef GLOB_ALTDIRFUNC
+ FOUNDIT
+ #endif
+ ],
+ [
+ AC_DEFINE([GLOB_HAS_ALTDIRFUNC], [1],
+ [Define if your system glob() function has
+ the GLOB_ALTDIRFUNC extension])
+ AC_MSG_RESULT([yes])
+ ],
+ [
+ AC_MSG_RESULT([no])
+ ]
+)
+
+# Check for g.gl_matchc glob() extension
+AC_MSG_CHECKING([for gl_matchc field in glob_t])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <glob.h> ]],
+ [[ glob_t g; g.gl_matchc = 1; ]])],
+ [
+ AC_DEFINE([GLOB_HAS_GL_MATCHC], [1],
+ [Define if your system glob() function has
+ gl_matchc options in glob_t])
+ AC_MSG_RESULT([yes])
+ ], [
+ AC_MSG_RESULT([no])
+])
+
+# Check for g.gl_statv glob() extension
+AC_MSG_CHECKING([for gl_statv and GLOB_KEEPSTAT extensions for glob])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <glob.h> ]], [[
+#ifndef GLOB_KEEPSTAT
+#error "glob does not support GLOB_KEEPSTAT extension"
+#endif
+glob_t g;
+g.gl_statv = NULL;
+]])],
+ [
+ AC_DEFINE([GLOB_HAS_GL_STATV], [1],
+ [Define if your system glob() function has
+ gl_statv options in glob_t])
+ AC_MSG_RESULT([yes])
+ ], [
+ AC_MSG_RESULT([no])
+
+])
+
+AC_CHECK_DECLS([GLOB_NOMATCH], , , [#include <glob.h>])
+
+AC_CHECK_DECL([VIS_ALL], ,
+ AC_DEFINE(BROKEN_STRNVIS, 1, [missing VIS_ALL]), [#include <vis.h>])
+
+AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
+AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <dirent.h>]],
+ [[
+ struct dirent d;
+ exit(sizeof(d.d_name)<=sizeof(char));
+ ]])],
+ [AC_MSG_RESULT([yes])],
+ [
+ AC_MSG_RESULT([no])
+ AC_DEFINE([BROKEN_ONE_BYTE_DIRENT_D_NAME], [1],
+ [Define if your struct dirent expects you to
+ allocate extra space for d_name])
+ ],
+ [
+ AC_MSG_WARN([cross compiling: assuming BROKEN_ONE_BYTE_DIRENT_D_NAME])
+ AC_DEFINE([BROKEN_ONE_BYTE_DIRENT_D_NAME])
+ ]
+)
+
+AC_MSG_CHECKING([for /proc/pid/fd directory])
+if test -d "/proc/$$/fd" ; then
+ AC_DEFINE([HAVE_PROC_PID], [1], [Define if you have /proc/$pid/fd])
+ AC_MSG_RESULT([yes])
+else
+ AC_MSG_RESULT([no])
+fi
+
+# Check whether user wants to use ldns
+LDNS_MSG="no"
+AC_ARG_WITH(ldns,
+ [ --with-ldns[[=PATH]] Use ldns for DNSSEC support (optionally in PATH)],
+ [
+ ldns=""
+ if test "x$withval" = "xyes" ; then
+ AC_PATH_TOOL([LDNSCONFIG], [ldns-config], [no])
+ if test "x$LDNSCONFIG" = "xno"; then
+ CPPFLAGS="$CPPFLAGS -I${withval}/include"
+ LDFLAGS="$LDFLAGS -L${withval}/lib"
+ LIBS="-lldns $LIBS"
+ ldns=yes
+ else
+ LIBS="$LIBS `$LDNSCONFIG --libs`"
+ CPPFLAGS="$CPPFLAGS `$LDNSCONFIG --cflags`"
+ ldns=yes
+ fi
+ elif test "x$withval" != "xno" ; then
+ CPPFLAGS="$CPPFLAGS -I${withval}/include"
+ LDFLAGS="$LDFLAGS -L${withval}/lib"
+ LIBS="-lldns $LIBS"
+ ldns=yes
+ fi
+
+ # Verify that it works.
+ if test "x$ldns" = "xyes" ; then
+ AC_DEFINE(HAVE_LDNS, 1, [Define if you want ldns support])
+ LDNS_MSG="yes"
+ AC_MSG_CHECKING([for ldns support])
+ AC_LINK_IFELSE(
+ [AC_LANG_SOURCE([[
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <ldns/ldns.h>
+int main() { ldns_status status = ldns_verify_trusted(NULL, NULL, NULL, NULL); status=LDNS_STATUS_OK; exit(0); }
+ ]])
+ ],
+ [AC_MSG_RESULT(yes)],
+ [
+ AC_MSG_RESULT(no)
+ AC_MSG_ERROR([** Incomplete or missing ldns libraries.])
+ ])
+ fi
+])
+
+# Check whether user wants libedit support
+LIBEDIT_MSG="no"
+AC_ARG_WITH([libedit],
+ [ --with-libedit[[=PATH]] Enable libedit support for sftp],
+ [ if test "x$withval" != "xno" ; then
+ if test "x$withval" = "xyes" ; then
+ AC_PATH_TOOL([PKGCONFIG], [pkg-config], [no])
+ if test "x$PKGCONFIG" != "xno"; then
+ AC_MSG_CHECKING([if $PKGCONFIG knows about libedit])
+ if "$PKGCONFIG" libedit; then
+ AC_MSG_RESULT([yes])
+ use_pkgconfig_for_libedit=yes
+ else
+ AC_MSG_RESULT([no])
+ fi
+ fi
+ else
+ CPPFLAGS="$CPPFLAGS -I${withval}/include"
+ if test -n "${need_dash_r}"; then
+ LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
+ else
+ LDFLAGS="-L${withval}/lib ${LDFLAGS}"
+ fi
+ fi
+ if test "x$use_pkgconfig_for_libedit" = "xyes"; then
+ LIBEDIT=`$PKGCONFIG --libs libedit`
+ CPPFLAGS="$CPPFLAGS `$PKGCONFIG --cflags libedit`"
+ else
+ LIBEDIT="-ledit -lcurses"
+ fi
+ OTHERLIBS=`echo $LIBEDIT | sed 's/-ledit//'`
+ AC_CHECK_LIB([edit], [el_init],
+ [ AC_DEFINE([USE_LIBEDIT], [1], [Use libedit for sftp])
+ LIBEDIT_MSG="yes"
+ AC_SUBST([LIBEDIT])
+ ],
+ [ AC_MSG_ERROR([libedit not found]) ],
+ [ $OTHERLIBS ]
+ )
+ AC_MSG_CHECKING([if libedit version is compatible])
+ AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[ #include <histedit.h> ]],
+ [[
+ int i = H_SETSIZE;
+ el_init("", NULL, NULL, NULL);
+ exit(0);
+ ]])],
+ [ AC_MSG_RESULT([yes]) ],
+ [ AC_MSG_RESULT([no])
+ AC_MSG_ERROR([libedit version is not compatible]) ]
+ )
+ fi ]
+)
+
+AUDIT_MODULE=none
+AC_ARG_WITH([audit],
+ [ --with-audit=module Enable audit support (modules=debug,bsm,linux)],
+ [
+ AC_MSG_CHECKING([for supported audit module])
+ case "$withval" in
+ bsm)
+ AC_MSG_RESULT([bsm])
+ AUDIT_MODULE=bsm
+ dnl Checks for headers, libs and functions
+ AC_CHECK_HEADERS([bsm/audit.h], [],
+ [AC_MSG_ERROR([BSM enabled and bsm/audit.h not found])],
+ [
+#ifdef HAVE_TIME_H
+# include <time.h>
+#endif
+ ]
+)
+ AC_CHECK_LIB([bsm], [getaudit], [],
+ [AC_MSG_ERROR([BSM enabled and required library not found])])
+ AC_CHECK_FUNCS([getaudit], [],
+ [AC_MSG_ERROR([BSM enabled and required function not found])])
+ # These are optional
+ AC_CHECK_FUNCS([getaudit_addr aug_get_machine])
+ AC_DEFINE([USE_BSM_AUDIT], [1], [Use BSM audit module])
+ if test "$sol2ver" -ge 11; then
+ SSHDLIBS="$SSHDLIBS -lscf"
+ AC_DEFINE([BROKEN_BSM_API], [1],
+ [The system has incomplete BSM API])
+ fi
+ ;;
+ linux)
+ AC_MSG_RESULT([linux])
+ AUDIT_MODULE=linux
+ dnl Checks for headers, libs and functions
+ AC_CHECK_HEADERS([libaudit.h])
+ SSHDLIBS="$SSHDLIBS -laudit"
+ AC_DEFINE([USE_LINUX_AUDIT], [1], [Use Linux audit module])
+ ;;
+ debug)
+ AUDIT_MODULE=debug
+ AC_MSG_RESULT([debug])
+ AC_DEFINE([SSH_AUDIT_EVENTS], [1], [Use audit debugging module])
+ ;;
+ no)
+ AC_MSG_RESULT([no])
+ ;;
+ *)
+ AC_MSG_ERROR([Unknown audit module $withval])
+ ;;
+ esac ]
+)
+
+AC_ARG_WITH([pie],
+ [ --with-pie Build Position Independent Executables if possible], [
+ if test "x$withval" = "xno"; then
+ use_pie=no
+ fi
+ if test "x$withval" = "xyes"; then
+ use_pie=yes
+ fi
+ ]
+)
+if test "x$use_pie" = "x"; then
+ use_pie=no
+fi
+if test "x$use_toolchain_hardening" != "x1" && test "x$use_pie" = "xauto"; then
+ # Turn off automatic PIE when toolchain hardening is off.
+ use_pie=no
+fi
+if test "x$use_pie" = "xauto"; then
+ # Automatic PIE requires gcc >= 4.x
+ AC_MSG_CHECKING([for gcc >= 4.x])
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+#if !defined(__GNUC__) || __GNUC__ < 4
+#error gcc is too old
+#endif
+]])],
+ [ AC_MSG_RESULT([yes]) ],
+ [ AC_MSG_RESULT([no])
+ use_pie=no ]
+)
+fi
+if test "x$use_pie" != "xno"; then
+ SAVED_CFLAGS="$CFLAGS"
+ SAVED_LDFLAGS="$LDFLAGS"
+ OSSH_CHECK_CFLAG_COMPILE([-fPIE])
+ OSSH_CHECK_LDFLAG_LINK([-pie])
+ # We use both -fPIE and -pie or neither.
+ AC_MSG_CHECKING([whether both -fPIE and -pie are supported])
+ if echo "x $CFLAGS" | grep ' -fPIE' >/dev/null 2>&1 && \
+ echo "x $LDFLAGS" | grep ' -pie' >/dev/null 2>&1 ; then
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+ CFLAGS="$SAVED_CFLAGS"
+ LDFLAGS="$SAVED_LDFLAGS"
+ fi
+fi
+
+dnl Checks for library functions. Please keep in alphabetical order
+AC_CHECK_FUNCS([ \
+ Blowfish_initstate \
+ Blowfish_expandstate \
+ Blowfish_expand0state \
+ Blowfish_stream2word \
+ asprintf \
+ b64_ntop \
+ __b64_ntop \
+ b64_pton \
+ __b64_pton \
+ bcopy \
+ bcrypt_pbkdf \
+ bindresvport_sa \
+ blf_enc \
+ bzero \
+ cap_rights_limit \
+ clock \
+ closefrom \
+ dirfd \
+ endgrent \
+ err \
+ errx \
+ explicit_bzero \
+ fchmod \
+ fchown \
+ flock \
+ freeaddrinfo \
+ freezero \
+ fstatfs \
+ fstatvfs \
+ futimes \
+ getaddrinfo \
+ getcwd \
+ getgrouplist \
+ getline \
+ getnameinfo \
+ getopt \
+ getpagesize \
+ getpeereid \
+ getpeerucred \
+ getpgid \
+ _getpty \
+ getrlimit \
+ getrandom \
+ getsid \
+ getttyent \
+ glob \
+ group_from_gid \
+ inet_aton \
+ inet_ntoa \
+ inet_ntop \
+ innetgr \
+ llabs \
+ login_getcapbool \
+ md5_crypt \
+ memmove \
+ memset_s \
+ mkdtemp \
+ ngetaddrinfo \
+ nsleep \
+ ogetaddrinfo \
+ openlog_r \
+ pledge \
+ poll \
+ prctl \
+ pstat \
+ raise \
+ readpassphrase \
+ reallocarray \
+ recvmsg \
+ recallocarray \
+ rresvport_af \
+ sendmsg \
+ setdtablesize \
+ setegid \
+ setenv \
+ seteuid \
+ setgroupent \
+ setgroups \
+ setlinebuf \
+ setlogin \
+ setpassent\
+ setpcred \
+ setproctitle \
+ setregid \
+ setreuid \
+ setrlimit \
+ setsid \
+ setvbuf \
+ sigaction \
+ sigvec \
+ snprintf \
+ socketpair \
+ statfs \
+ statvfs \
+ strcasestr \
+ strdup \
+ strerror \
+ strlcat \
+ strlcpy \
+ strmode \
+ strndup \
+ strnlen \
+ strnvis \
+ strptime \
+ strsignal \
+ strtonum \
+ strtoll \
+ strtoul \
+ strtoull \
+ swap32 \
+ sysconf \
+ tcgetpgrp \
+ timingsafe_bcmp \
+ truncate \
+ unsetenv \
+ updwtmpx \
+ user_from_uid \
+ usleep \
+ vasprintf \
+ vsnprintf \
+ waitpid \
+ warn \
+])
+
+AC_CHECK_DECLS([bzero])
+
+dnl Wide character support.
+AC_CHECK_FUNCS([mblen mbtowc nl_langinfo wcwidth])
+
+TEST_SSH_UTF8=${TEST_SSH_UTF8:=yes}
+AC_MSG_CHECKING([for utf8 locale support])
+AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <locale.h>
+#include <stdlib.h>
+ ]], [[
+ char *loc = setlocale(LC_CTYPE, "en_US.UTF-8");
+ if (loc != NULL)
+ exit(0);
+ exit(1);
+ ]])],
+ AC_MSG_RESULT(yes),
+ [AC_MSG_RESULT(no)
+ TEST_SSH_UTF8=no],
+ AC_MSG_WARN([cross compiling: assuming yes])
+)
+
+AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[ #include <ctype.h> ]],
+ [[ return (isblank('a')); ]])],
+ [AC_DEFINE([HAVE_ISBLANK], [1], [Define if you have isblank(3C).])
+])
+
+disable_pkcs11=
+AC_ARG_ENABLE([pkcs11],
+ [ --disable-pkcs11 disable PKCS#11 support code [no]],
+ [
+ if test "x$enableval" = "xno" ; then
+ disable_pkcs11=1
+ fi
+ ]
+)
+
+# PKCS11 depends on OpenSSL.
+if test "x$openssl" = "xyes" && test "x$disable_pkcs11" = "x"; then
+ # PKCS#11 support requires dlopen() and co
+ AC_SEARCH_LIBS([dlopen], [dl],
+ AC_CHECK_DECL([RTLD_NOW],
+ AC_DEFINE([ENABLE_PKCS11], [], [Enable for PKCS#11 support]),
+ [], [#include <dlfcn.h>]
+ )
+ )
+fi
+
+# IRIX has a const char return value for gai_strerror()
+AC_CHECK_FUNCS([gai_strerror], [
+ AC_DEFINE([HAVE_GAI_STRERROR])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+
+const char *gai_strerror(int);
+ ]], [[
+ char *str;
+ str = gai_strerror(0);
+ ]])], [
+ AC_DEFINE([HAVE_CONST_GAI_STRERROR_PROTO], [1],
+ [Define if gai_strerror() returns const char *])], [])])
+
+AC_SEARCH_LIBS([nanosleep], [rt posix4], [AC_DEFINE([HAVE_NANOSLEEP], [1],
+ [Some systems put nanosleep outside of libc])])
+
+AC_SEARCH_LIBS([clock_gettime], [rt],
+ [AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [Have clock_gettime])])
+
+dnl Make sure prototypes are defined for these before using them.
+AC_CHECK_DECL([strsep],
+ [AC_CHECK_FUNCS([strsep])],
+ [],
+ [
+#ifdef HAVE_STRING_H
+# include <string.h>
+#endif
+ ])
+
+dnl tcsendbreak might be a macro
+AC_CHECK_DECL([tcsendbreak],
+ [AC_DEFINE([HAVE_TCSENDBREAK])],
+ [AC_CHECK_FUNCS([tcsendbreak])],
+ [#include <termios.h>]
+)
+
+AC_CHECK_DECLS([h_errno], , ,[#include <netdb.h>])
+
+AC_CHECK_DECLS([SHUT_RD], , ,
+ [
+#include <sys/types.h>
+#include <sys/socket.h>
+ ])
+
+AC_CHECK_DECLS([O_NONBLOCK], , ,
+ [
+#include <sys/types.h>
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef HAVE_FCNTL_H
+# include <fcntl.h>
+#endif
+ ])
+
+AC_CHECK_DECLS([readv, writev], , , [
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <unistd.h>
+ ])
+
+AC_CHECK_DECLS([MAXSYMLINKS], , , [
+#include <sys/param.h>
+ ])
+
+AC_CHECK_DECLS([offsetof], , , [
+#include <stddef.h>
+ ])
+
+# extra bits for select(2)
+AC_CHECK_DECLS([howmany, NFDBITS], [], [], [[
+#include <sys/param.h>
+#include <sys/types.h>
+#ifdef HAVE_SYS_SYSMACROS_H
+#include <sys/sysmacros.h>
+#endif
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+ ]])
+AC_CHECK_TYPES([fd_mask], [], [], [[
+#include <sys/param.h>
+#include <sys/types.h>
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+ ]])
+
+AC_CHECK_FUNCS([setresuid], [
+ dnl Some platorms have setresuid that isn't implemented, test for this
+ AC_MSG_CHECKING([if setresuid seems to work])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <stdlib.h>
+#include <errno.h>
+ ]], [[
+ errno=0;
+ setresuid(0,0,0);
+ if (errno==ENOSYS)
+ exit(1);
+ else
+ exit(0);
+ ]])],
+ [AC_MSG_RESULT([yes])],
+ [AC_DEFINE([BROKEN_SETRESUID], [1],
+ [Define if your setresuid() is broken])
+ AC_MSG_RESULT([not implemented])],
+ [AC_MSG_WARN([cross compiling: not checking setresuid])]
+ )
+])
+
+AC_CHECK_FUNCS([setresgid], [
+ dnl Some platorms have setresgid that isn't implemented, test for this
+ AC_MSG_CHECKING([if setresgid seems to work])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <stdlib.h>
+#include <errno.h>
+ ]], [[
+ errno=0;
+ setresgid(0,0,0);
+ if (errno==ENOSYS)
+ exit(1);
+ else
+ exit(0);
+ ]])],
+ [AC_MSG_RESULT([yes])],
+ [AC_DEFINE([BROKEN_SETRESGID], [1],
+ [Define if your setresgid() is broken])
+ AC_MSG_RESULT([not implemented])],
+ [AC_MSG_WARN([cross compiling: not checking setresuid])]
+ )
+])
+
+AC_CHECK_FUNCS([realpath], [
+ dnl the sftp v3 spec says SSH_FXP_REALPATH will "canonicalize any given
+ dnl path name", however some implementations of realpath (and some
+ dnl versions of the POSIX spec) do not work on non-existent files,
+ dnl so we use the OpenBSD implementation on those platforms.
+ AC_MSG_CHECKING([if realpath works with non-existent files])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <limits.h>
+#include <stdlib.h>
+#include <errno.h>
+ ]], [[
+ char buf[PATH_MAX];
+ if (realpath("/opensshnonexistentfilename1234", buf) == NULL)
+ if (errno == ENOENT)
+ exit(1);
+ exit(0);
+ ]])],
+ [AC_MSG_RESULT([yes])],
+ [AC_DEFINE([BROKEN_REALPATH], [1],
+ [realpath does not work with nonexistent files])
+ AC_MSG_RESULT([no])],
+ [AC_MSG_WARN([cross compiling: assuming working])]
+ )
+])
+
+AC_MSG_CHECKING([for working fflush(NULL)])
+AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[#include <stdio.h>]], [[fflush(NULL); exit(0);]])],
+ AC_MSG_RESULT([yes]),
+ [AC_MSG_RESULT([no])
+ AC_DEFINE([FFLUSH_NULL_BUG], [1],
+ [define if fflush(NULL) does not work])],
+ AC_MSG_WARN([cross compiling: assuming working])
+)
+
+dnl Checks for time functions
+AC_CHECK_FUNCS([gettimeofday time])
+dnl Checks for utmp functions
+AC_CHECK_FUNCS([endutent getutent getutid getutline pututline setutent])
+AC_CHECK_FUNCS([utmpname])
+dnl Checks for utmpx functions
+AC_CHECK_FUNCS([endutxent getutxent getutxid getutxline getutxuser pututxline])
+AC_CHECK_FUNCS([setutxdb setutxent utmpxname])
+dnl Checks for lastlog functions
+AC_CHECK_FUNCS([getlastlogxbyname])
+
+AC_CHECK_FUNC([daemon],
+ [AC_DEFINE([HAVE_DAEMON], [1], [Define if your libraries define daemon()])],
+ [AC_CHECK_LIB([bsd], [daemon],
+ [LIBS="$LIBS -lbsd"; AC_DEFINE([HAVE_DAEMON])])]
+)
+
+AC_CHECK_FUNC([getpagesize],
+ [AC_DEFINE([HAVE_GETPAGESIZE], [1],
+ [Define if your libraries define getpagesize()])],
+ [AC_CHECK_LIB([ucb], [getpagesize],
+ [LIBS="$LIBS -lucb"; AC_DEFINE([HAVE_GETPAGESIZE])])]
+)
+
+# Check for broken snprintf
+if test "x$ac_cv_func_snprintf" = "xyes" ; then
+ AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[ #include <stdio.h> ]],
+ [[
+ char b[5];
+ snprintf(b,5,"123456789");
+ exit(b[4]!='\0');
+ ]])],
+ [AC_MSG_RESULT([yes])],
+ [
+ AC_MSG_RESULT([no])
+ AC_DEFINE([BROKEN_SNPRINTF], [1],
+ [Define if your snprintf is busted])
+ AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
+ ],
+ [ AC_MSG_WARN([cross compiling: Assuming working snprintf()]) ]
+ )
+fi
+
+if test "x$ac_cv_func_snprintf" = "xyes" ; then
+ AC_MSG_CHECKING([whether snprintf understands %zu])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <stdio.h>
+ ]],
+ [[
+ size_t a = 1, b = 2;
+ char z[128];
+ snprintf(z, sizeof z, "%zu%zu", a, b);
+ exit(strcmp(z, "12"));
+ ]])],
+ [AC_MSG_RESULT([yes])],
+ [
+ AC_MSG_RESULT([no])
+ AC_DEFINE([BROKEN_SNPRINTF], [1],
+ [snprintf does not understand %zu])
+ ],
+ [ AC_MSG_WARN([cross compiling: Assuming working snprintf()]) ]
+ )
+fi
+
+# We depend on vsnprintf returning the right thing on overflow: the
+# number of characters it tried to create (as per SUSv3)
+if test "x$ac_cv_func_vsnprintf" = "xyes" ; then
+ AC_MSG_CHECKING([whether vsnprintf returns correct values on overflow])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdarg.h>
+
+int x_snprintf(char *str, size_t count, const char *fmt, ...)
+{
+ size_t ret;
+ va_list ap;
+
+ va_start(ap, fmt);
+ ret = vsnprintf(str, count, fmt, ap);
+ va_end(ap);
+ return ret;
+}
+ ]], [[
+char x[1];
+if (x_snprintf(x, 1, "%s %d", "hello", 12345) != 11)
+ return 1;
+if (x_snprintf(NULL, 0, "%s %d", "hello", 12345) != 11)
+ return 1;
+return 0;
+ ]])],
+ [AC_MSG_RESULT([yes])],
+ [
+ AC_MSG_RESULT([no])
+ AC_DEFINE([BROKEN_SNPRINTF], [1],
+ [Define if your snprintf is busted])
+ AC_MSG_WARN([****** Your vsnprintf() function is broken, complain to your vendor])
+ ],
+ [ AC_MSG_WARN([cross compiling: Assuming working vsnprintf()]) ]
+ )
+fi
+
+# On systems where [v]snprintf is broken, but is declared in stdio,
+# check that the fmt argument is const char * or just char *.
+# This is only useful for when BROKEN_SNPRINTF
+AC_MSG_CHECKING([whether snprintf can declare const char *fmt])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <stdio.h>
+int snprintf(char *a, size_t b, const char *c, ...) { return 0; }
+ ]], [[
+ snprintf(0, 0, 0);
+ ]])],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE([SNPRINTF_CONST], [const],
+ [Define as const if snprintf() can declare const char *fmt])],
+ [AC_MSG_RESULT([no])
+ AC_DEFINE([SNPRINTF_CONST], [/* not const */])])
+
+# Check for missing getpeereid (or equiv) support
+NO_PEERCHECK=""
+if test "x$ac_cv_func_getpeereid" != "xyes" -a "x$ac_cv_func_getpeerucred" != "xyes"; then
+ AC_MSG_CHECKING([whether system supports SO_PEERCRED getsockopt])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/socket.h>]], [[int i = SO_PEERCRED;]])],
+ [ AC_MSG_RESULT([yes])
+ AC_DEFINE([HAVE_SO_PEERCRED], [1], [Have PEERCRED socket option])
+ ], [AC_MSG_RESULT([no])
+ NO_PEERCHECK=1
+ ])
+fi
+
+dnl see whether mkstemp() requires XXXXXX
+if test "x$ac_cv_func_mkdtemp" = "xyes" ; then
+AC_MSG_CHECKING([for (overly) strict mkstemp])
+AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <stdlib.h>
+ ]], [[
+ char template[]="conftest.mkstemp-test";
+ if (mkstemp(template) == -1)
+ exit(1);
+ unlink(template);
+ exit(0);
+ ]])],
+ [
+ AC_MSG_RESULT([no])
+ ],
+ [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE([HAVE_STRICT_MKSTEMP], [1], [Silly mkstemp()])
+ ],
+ [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE([HAVE_STRICT_MKSTEMP])
+ ]
+)
+fi
+
+dnl make sure that openpty does not reacquire controlling terminal
+if test ! -z "$check_for_openpty_ctty_bug"; then
+ AC_MSG_CHECKING([if openpty correctly handles controlling tty])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <stdio.h>
+#include <sys/fcntl.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+ ]], [[
+ pid_t pid;
+ int fd, ptyfd, ttyfd, status;
+
+ pid = fork();
+ if (pid < 0) { /* failed */
+ exit(1);
+ } else if (pid > 0) { /* parent */
+ waitpid(pid, &status, 0);
+ if (WIFEXITED(status))
+ exit(WEXITSTATUS(status));
+ else
+ exit(2);
+ } else { /* child */
+ close(0); close(1); close(2);
+ setsid();
+ openpty(&ptyfd, &ttyfd, NULL, NULL, NULL);
+ fd = open("/dev/tty", O_RDWR | O_NOCTTY);
+ if (fd >= 0)
+ exit(3); /* Acquired ctty: broken */
+ else
+ exit(0); /* Did not acquire ctty: OK */
+ }
+ ]])],
+ [
+ AC_MSG_RESULT([yes])
+ ],
+ [
+ AC_MSG_RESULT([no])
+ AC_DEFINE([SSHD_ACQUIRES_CTTY])
+ ],
+ [
+ AC_MSG_RESULT([cross-compiling, assuming yes])
+ ]
+ )
+fi
+
+if test "x$ac_cv_func_getaddrinfo" = "xyes" && \
+ test "x$check_for_hpux_broken_getaddrinfo" = "x1"; then
+ AC_MSG_CHECKING([if getaddrinfo seems to work])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <stdio.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <errno.h>
+#include <netinet/in.h>
+
+#define TEST_PORT "2222"
+ ]], [[
+ int err, sock;
+ struct addrinfo *gai_ai, *ai, hints;
+ char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL;
+
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_family = PF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_flags = AI_PASSIVE;
+
+ err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai);
+ if (err != 0) {
+ fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err));
+ exit(1);
+ }
+
+ for (ai = gai_ai; ai != NULL; ai = ai->ai_next) {
+ if (ai->ai_family != AF_INET6)
+ continue;
+
+ err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop,
+ sizeof(ntop), strport, sizeof(strport),
+ NI_NUMERICHOST|NI_NUMERICSERV);
+
+ if (err != 0) {
+ if (err == EAI_SYSTEM)
+ perror("getnameinfo EAI_SYSTEM");
+ else
+ fprintf(stderr, "getnameinfo failed: %s\n",
+ gai_strerror(err));
+ exit(2);
+ }
+
+ sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
+ if (sock < 0)
+ perror("socket");
+ if (bind(sock, ai->ai_addr, ai->ai_addrlen) < 0) {
+ if (errno == EBADF)
+ exit(3);
+ }
+ }
+ exit(0);
+ ]])],
+ [
+ AC_MSG_RESULT([yes])
+ ],
+ [
+ AC_MSG_RESULT([no])
+ AC_DEFINE([BROKEN_GETADDRINFO])
+ ],
+ [
+ AC_MSG_RESULT([cross-compiling, assuming yes])
+ ]
+ )
+fi
+
+if test "x$ac_cv_func_getaddrinfo" = "xyes" && \
+ test "x$check_for_aix_broken_getaddrinfo" = "x1"; then
+ AC_MSG_CHECKING([if getaddrinfo seems to work])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <stdio.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <errno.h>
+#include <netinet/in.h>
+
+#define TEST_PORT "2222"
+ ]], [[
+ int err, sock;
+ struct addrinfo *gai_ai, *ai, hints;
+ char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL;
+
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_family = PF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_flags = AI_PASSIVE;
+
+ err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai);
+ if (err != 0) {
+ fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err));
+ exit(1);
+ }
+
+ for (ai = gai_ai; ai != NULL; ai = ai->ai_next) {
+ if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6)
+ continue;
+
+ err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop,
+ sizeof(ntop), strport, sizeof(strport),
+ NI_NUMERICHOST|NI_NUMERICSERV);
+
+ if (ai->ai_family == AF_INET && err != 0) {
+ perror("getnameinfo");
+ exit(2);
+ }
+ }
+ exit(0);
+ ]])],
+ [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE([AIX_GETNAMEINFO_HACK], [1],
+ [Define if you have a getaddrinfo that fails
+ for the all-zeros IPv6 address])
+ ],
+ [
+ AC_MSG_RESULT([no])
+ AC_DEFINE([BROKEN_GETADDRINFO])
+ ],
+ [
+ AC_MSG_RESULT([cross-compiling, assuming no])
+ ]
+ )
+fi
+
+if test "x$ac_cv_func_getaddrinfo" = "xyes"; then
+ AC_CHECK_DECLS(AI_NUMERICSERV, , ,
+ [#include <sys/types.h>
+ #include <sys/socket.h>
+ #include <netdb.h>])
+fi
+
+if test "x$check_for_conflicting_getspnam" = "x1"; then
+ AC_MSG_CHECKING([for conflicting getspnam in shadow.h])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <shadow.h> ]],
+ [[ exit(0); ]])],
+ [
+ AC_MSG_RESULT([no])
+ ],
+ [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE([GETSPNAM_CONFLICTING_DEFS], [1],
+ [Conflicting defs for getspnam])
+ ]
+ )
+fi
+
+dnl NetBSD added an strnvis and unfortunately made it incompatible with the
+dnl existing one in OpenBSD and Linux's libbsd (the former having existed
+dnl for over ten years). Despite this incompatibility being reported during
+dnl development (see http://gnats.netbsd.org/44977) they still shipped it.
+dnl Even more unfortunately FreeBSD and later MacOS picked up this incompatible
+dnl implementation. Try to detect this mess, and assume the only safe option
+dnl if we're cross compiling.
+dnl
+dnl OpenBSD, 2001: strnvis(char *dst, const char *src, size_t dlen, int flag);
+dnl NetBSD: 2012, strnvis(char *dst, size_t dlen, const char *src, int flag);
+if test "x$ac_cv_func_strnvis" = "xyes"; then
+ AC_MSG_CHECKING([for working strnvis])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+#include <vis.h>
+static void sighandler(int sig) { _exit(1); }
+ ]], [[
+ char dst[16];
+
+ signal(SIGSEGV, sighandler);
+ if (strnvis(dst, "src", 4, 0) && strcmp(dst, "src") == 0)
+ exit(0);
+ exit(1)
+ ]])],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])
+ AC_DEFINE([BROKEN_STRNVIS], [1], [strnvis detected broken])],
+ [AC_MSG_WARN([cross compiling: assuming broken])
+ AC_DEFINE([BROKEN_STRNVIS], [1], [strnvis assumed broken])]
+ )
+fi
+
+AC_CHECK_FUNCS([getpgrp],[
+ AC_MSG_CHECKING([if getpgrp accepts zero args])
+ AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[$ac_includes_default]], [[ getpgrp(); ]])],
+ [ AC_MSG_RESULT([yes])
+ AC_DEFINE([GETPGRP_VOID], [1], [getpgrp takes zero args])],
+ [ AC_MSG_RESULT([no])
+ AC_DEFINE([GETPGRP_VOID], [0], [getpgrp takes one arg])]
+ )
+])
+
+# Search for OpenSSL
+saved_CPPFLAGS="$CPPFLAGS"
+saved_LDFLAGS="$LDFLAGS"
+AC_ARG_WITH([ssl-dir],
+ [ --with-ssl-dir=PATH Specify path to OpenSSL installation ],
+ [
+ if test "x$openssl" = "xno" ; then
+ AC_MSG_ERROR([cannot use --with-ssl-dir when OpenSSL disabled])
+ fi
+ if test "x$withval" != "xno" ; then
+ case "$withval" in
+ # Relative paths
+ ./*|../*) withval="`pwd`/$withval"
+ esac
+ if test -d "$withval/lib"; then
+ if test -n "${need_dash_r}"; then
+ LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
+ else
+ LDFLAGS="-L${withval}/lib ${LDFLAGS}"
+ fi
+ elif test -d "$withval/lib64"; then
+ if test -n "${need_dash_r}"; then
+ LDFLAGS="-L${withval}/lib64 -R${withval}/lib64 ${LDFLAGS}"
+ else
+ LDFLAGS="-L${withval}/lib64 ${LDFLAGS}"
+ fi
+ else
+ if test -n "${need_dash_r}"; then
+ LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
+ else
+ LDFLAGS="-L${withval} ${LDFLAGS}"
+ fi
+ fi
+ if test -d "$withval/include"; then
+ CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
+ else
+ CPPFLAGS="-I${withval} ${CPPFLAGS}"
+ fi
+ fi
+ ]
+)
+
+AC_ARG_WITH([openssl-header-check],
+ [ --without-openssl-header-check Disable OpenSSL version consistency check],
+ [
+ if test "x$withval" = "xno" ; then
+ openssl_check_nonfatal=1
+ fi
+ ]
+)
+
+openssl_engine=no
+AC_ARG_WITH([ssl-engine],
+ [ --with-ssl-engine Enable OpenSSL (hardware) ENGINE support ],
+ [
+ if test "x$withval" != "xno" ; then
+ if test "x$openssl" = "xno" ; then
+ AC_MSG_ERROR([cannot use --with-ssl-engine when OpenSSL disabled])
+ fi
+ openssl_engine=yes
+ fi
+ ]
+)
+
+if test "x$openssl" = "xyes" ; then
+ LIBS="-lcrypto $LIBS"
+ AC_TRY_LINK_FUNC([RAND_add], [AC_DEFINE([HAVE_OPENSSL], [1],
+ [Define if your ssl headers are included
+ with #include <openssl/header.h>])],
+ [
+ dnl Check default openssl install dir
+ if test -n "${need_dash_r}"; then
+ LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
+ else
+ LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
+ fi
+ CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
+ AC_CHECK_HEADER([openssl/opensslv.h], ,
+ [AC_MSG_ERROR([*** OpenSSL headers missing - please install first or check config.log ***])])
+ AC_TRY_LINK_FUNC([RAND_add], [AC_DEFINE([HAVE_OPENSSL])],
+ [
+ AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
+ ]
+ )
+ ]
+ )
+
+ # Determine OpenSSL header version
+ AC_MSG_CHECKING([OpenSSL header version])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+ #include <stdlib.h>
+ #include <stdio.h>
+ #include <string.h>
+ #include <openssl/opensslv.h>
+ #define DATA "conftest.sslincver"
+ ]], [[
+ FILE *fd;
+ int rc;
+
+ fd = fopen(DATA,"w");
+ if(fd == NULL)
+ exit(1);
+
+ if ((rc = fprintf(fd, "%08lx (%s)\n",
+ (unsigned long)OPENSSL_VERSION_NUMBER,
+ OPENSSL_VERSION_TEXT)) < 0)
+ exit(1);
+
+ exit(0);
+ ]])],
+ [
+ ssl_header_ver=`cat conftest.sslincver`
+ AC_MSG_RESULT([$ssl_header_ver])
+ ],
+ [
+ AC_MSG_RESULT([not found])
+ AC_MSG_ERROR([OpenSSL version header not found.])
+ ],
+ [
+ AC_MSG_WARN([cross compiling: not checking])
+ ]
+ )
+
+ # Determine OpenSSL library version
+ AC_MSG_CHECKING([OpenSSL library version])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+ #include <stdio.h>
+ #include <string.h>
+ #include <openssl/opensslv.h>
+ #include <openssl/crypto.h>
+ #define DATA "conftest.ssllibver"
+ ]], [[
+ FILE *fd;
+ int rc;
+
+ fd = fopen(DATA,"w");
+ if(fd == NULL)
+ exit(1);
+
+ if ((rc = fprintf(fd, "%08lx (%s)\n", (unsigned long)SSLeay(),
+ SSLeay_version(SSLEAY_VERSION))) < 0)
+ exit(1);
+
+ exit(0);
+ ]])],
+ [
+ ssl_library_ver=`cat conftest.ssllibver`
+ # Check version is supported.
+ case "$ssl_library_ver" in
+ 10000*|0*)
+ AC_MSG_ERROR([OpenSSL >= 1.0.1 required (have "$ssl_library_ver")])
+ ;;
+ 100*) ;; # 1.0.x
+ 101000[0123456]*)
+ # https://github.com/openssl/openssl/pull/4613
+ AC_MSG_ERROR([OpenSSL 1.1.x versions prior to 1.1.0g have a bug that breaks their use with OpenSSH (have "$ssl_library_ver")])
+ ;;
+ 101*) ;; # 1.1.x
+ 200*) ;; # LibreSSL
+ *)
+ AC_MSG_ERROR([OpenSSL > 1.1.x is not yet supported (have "$ssl_library_ver")])
+ ;;
+ esac
+ AC_MSG_RESULT([$ssl_library_ver])
+ ],
+ [
+ AC_MSG_RESULT([not found])
+ AC_MSG_ERROR([OpenSSL library not found.])
+ ],
+ [
+ AC_MSG_WARN([cross compiling: not checking])
+ ]
+ )
+
+ # Sanity check OpenSSL headers
+ AC_MSG_CHECKING([whether OpenSSL's headers match the library])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+ #include <string.h>
+ #include <openssl/opensslv.h>
+ #include <openssl/crypto.h>
+ ]], [[
+ exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1);
+ ]])],
+ [
+ AC_MSG_RESULT([yes])
+ ],
+ [
+ AC_MSG_RESULT([no])
+ if test "x$openssl_check_nonfatal" = "x"; then
+ AC_MSG_ERROR([Your OpenSSL headers do not match your
+ library. Check config.log for details.
+ If you are sure your installation is consistent, you can disable the check
+ by running "./configure --without-openssl-header-check".
+ Also see contrib/findssl.sh for help identifying header/library mismatches.
+ ])
+ else
+ AC_MSG_WARN([Your OpenSSL headers do not match your
+ library. Check config.log for details.
+ Also see contrib/findssl.sh for help identifying header/library mismatches.])
+ fi
+ ],
+ [
+ AC_MSG_WARN([cross compiling: not checking])
+ ]
+ )
+
+ AC_MSG_CHECKING([if programs using OpenSSL functions will link])
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[ #include <openssl/evp.h> ]],
+ [[ SSLeay_add_all_algorithms(); ]])],
+ [
+ AC_MSG_RESULT([yes])
+ ],
+ [
+ AC_MSG_RESULT([no])
+ saved_LIBS="$LIBS"
+ LIBS="$LIBS -ldl"
+ AC_MSG_CHECKING([if programs using OpenSSL need -ldl])
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[ #include <openssl/evp.h> ]],
+ [[ SSLeay_add_all_algorithms(); ]])],
+ [
+ AC_MSG_RESULT([yes])
+ ],
+ [
+ AC_MSG_RESULT([no])
+ LIBS="$saved_LIBS"
+ ]
+ )
+ ]
+ )
+
+ AC_CHECK_FUNCS([ \
+ BN_is_prime_ex \
+ DSA_generate_parameters_ex \
+ EVP_DigestInit_ex \
+ EVP_DigestFinal_ex \
+ EVP_MD_CTX_init \
+ EVP_MD_CTX_cleanup \
+ EVP_MD_CTX_copy_ex \
+ HMAC_CTX_init \
+ RSA_generate_key_ex \
+ RSA_get_default_method \
+ ])
+
+ if test "x$openssl_engine" = "xyes" ; then
+ AC_MSG_CHECKING([for OpenSSL ENGINE support])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <openssl/engine.h>
+ ]], [[
+ ENGINE_load_builtin_engines();
+ ENGINE_register_all_complete();
+ ]])],
+ [ AC_MSG_RESULT([yes])
+ AC_DEFINE([USE_OPENSSL_ENGINE], [1],
+ [Enable OpenSSL engine support])
+ ], [ AC_MSG_ERROR([OpenSSL ENGINE support not found])
+ ])
+ fi
+
+ # Check for OpenSSL without EVP_aes_{192,256}_cbc
+ AC_MSG_CHECKING([whether OpenSSL has crippled AES support])
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[
+ #include <string.h>
+ #include <openssl/evp.h>
+ ]], [[
+ exit(EVP_aes_192_cbc() == NULL || EVP_aes_256_cbc() == NULL);
+ ]])],
+ [
+ AC_MSG_RESULT([no])
+ ],
+ [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE([OPENSSL_LOBOTOMISED_AES], [1],
+ [libcrypto is missing AES 192 and 256 bit functions])
+ ]
+ )
+
+ # Check for OpenSSL with EVP_aes_*ctr
+ AC_MSG_CHECKING([whether OpenSSL has AES CTR via EVP])
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[
+ #include <string.h>
+ #include <openssl/evp.h>
+ ]], [[
+ exit(EVP_aes_128_ctr() == NULL ||
+ EVP_aes_192_cbc() == NULL ||
+ EVP_aes_256_cbc() == NULL);
+ ]])],
+ [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE([OPENSSL_HAVE_EVPCTR], [1],
+ [libcrypto has EVP AES CTR])
+ ],
+ [
+ AC_MSG_RESULT([no])
+ ]
+ )
+
+ # Check for OpenSSL with EVP_aes_*gcm
+ AC_MSG_CHECKING([whether OpenSSL has AES GCM via EVP])
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[
+ #include <string.h>
+ #include <openssl/evp.h>
+ ]], [[
+ exit(EVP_aes_128_gcm() == NULL ||
+ EVP_aes_256_gcm() == NULL ||
+ EVP_CTRL_GCM_SET_IV_FIXED == 0 ||
+ EVP_CTRL_GCM_IV_GEN == 0 ||
+ EVP_CTRL_GCM_SET_TAG == 0 ||
+ EVP_CTRL_GCM_GET_TAG == 0 ||
+ EVP_CIPHER_CTX_ctrl(NULL, 0, 0, NULL) == 0);
+ ]])],
+ [
+ AC_MSG_RESULT([yes])
+ AC_DEFINE([OPENSSL_HAVE_EVPGCM], [1],
+ [libcrypto has EVP AES GCM])
+ ],
+ [
+ AC_MSG_RESULT([no])
+ unsupported_algorithms="$unsupported_cipers \
+ aes128-gcm@openssh.com \
+ aes256-gcm@openssh.com"
+ ]
+ )
+
+ AC_SEARCH_LIBS([EVP_CIPHER_CTX_ctrl], [crypto],
+ [AC_DEFINE([HAVE_EVP_CIPHER_CTX_CTRL], [1],
+ [Define if libcrypto has EVP_CIPHER_CTX_ctrl])])
+
+ # LibreSSL/OpenSSL 1.1x API
+ AC_SEARCH_LIBS([DH_get0_key], [crypto],
+ [AC_DEFINE([HAVE_DH_GET0_KEY], [1],
+ [Define if libcrypto has DH_get0_key])])
+ AC_SEARCH_LIBS([DH_get0_pqg], [crypto],
+ [AC_DEFINE([HAVE_DH_GET0_PQG], [1],
+ [Define if libcrypto has DH_get0_pqg])])
+ AC_SEARCH_LIBS([DH_set0_key], [crypto],
+ [AC_DEFINE([HAVE_DH_SET0_KEY], [1],
+ [Define if libcrypto has DH_set0_key])])
+ AC_SEARCH_LIBS([DH_set_length], [crypto],
+ [AC_DEFINE([HAVE_DH_SET_LENGTH], [1],
+ [Define if libcrypto has DH_set_length])])
+ AC_SEARCH_LIBS([DH_set0_pqg], [crypto],
+ [AC_DEFINE([HAVE_DH_SET0_PQG], [1],
+ [Define if libcrypto has DH_set0_pqg])])
+
+ AC_SEARCH_LIBS([DSA_get0_key], [crypto],
+ [AC_DEFINE([HAVE_DSA_GET0_KEY], [1],
+ [Define if libcrypto has DSA_get0_key])])
+ AC_SEARCH_LIBS([DSA_get0_pqg], [crypto],
+ [AC_DEFINE([HAVE_DSA_GET0_PQG], [1],
+ [Define if libcrypto has DSA_get0_pqg])])
+ AC_SEARCH_LIBS([DSA_set0_key], [crypto],
+ [AC_DEFINE([HAVE_DSA_SET0_KEY], [1],
+ [Define if libcrypto has DSA_set0_key])])
+ AC_SEARCH_LIBS([DSA_set0_pqg], [crypto],
+ [AC_DEFINE([HAVE_DSA_SET0_PQG], [1],
+ [Define if libcrypto has DSA_set0_pqg])])
+
+ AC_SEARCH_LIBS([DSA_SIG_get0], [crypto],
+ [AC_DEFINE([HAVE_DSA_SIG_GET0], [1],
+ [Define if libcrypto has DSA_SIG_get0])])
+ AC_SEARCH_LIBS([DSA_SIG_set0], [crypto],
+ [AC_DEFINE([HAVE_DSA_SIG_SET0], [1],
+ [Define if libcrypto has DSA_SIG_set0])])
+
+ AC_SEARCH_LIBS([ECDSA_SIG_get0], [crypto],
+ [AC_DEFINE([HAVE_ECDSA_SIG_GET0], [1],
+ [Define if libcrypto has ECDSA_SIG_get0])])
+ AC_SEARCH_LIBS([ECDSA_SIG_set0], [crypto],
+ [AC_DEFINE([HAVE_ECDSA_SIG_SET0], [1],
+ [Define if libcrypto has ECDSA_SIG_set0])])
+
+ AC_SEARCH_LIBS([EVP_CIPHER_CTX_iv], [crypto],
+ [AC_DEFINE([HAVE_EVP_CIPHER_CTX_IV], [1],
+ [Define if libcrypto has EVP_CIPHER_CTX_iv])])
+ AC_SEARCH_LIBS([EVP_CIPHER_CTX_iv_noconst], [crypto],
+ [AC_DEFINE([HAVE_EVP_CIPHER_CTX_IV_NOCONST], [1],
+ [Define if libcrypto has EVP_CIPHER_CTX_iv_noconst])])
+ AC_SEARCH_LIBS([EVP_CIPHER_CTX_get_iv], [crypto],
+ [AC_DEFINE([HAVE_EVP_CIPHER_CTX_GET_IV], [1],
+ [Define if libcrypto has EVP_CIPHER_CTX_get_iv])])
+ AC_SEARCH_LIBS([EVP_CIPHER_CTX_set_iv], [crypto],
+ [AC_DEFINE([HAVE_EVP_CIPHER_CTX_GET_IV], [1],
+ [Define if libcrypto has EVP_CIPHER_CTX_set_iv])])
+
+ AC_SEARCH_LIBS([RSA_get0_crt_params], [crypto],
+ [AC_DEFINE([HAVE_RSA_GET0_CRT_PARAMS], [1],
+ [Define if libcrypto has RSA_get0_crt_params])])
+ AC_SEARCH_LIBS([RSA_get0_factors], [crypto],
+ [AC_DEFINE([HAVE_RSA_GET0_FACTORS], [1],
+ [Define if libcrypto has RSA_get0_factors])])
+ AC_SEARCH_LIBS([RSA_get0_key], [crypto],
+ [AC_DEFINE([HAVE_RSA_GET0_KEY], [1],
+ [Define if libcrypto has RSA_get0_key])])
+ AC_SEARCH_LIBS([RSA_set0_crt_params], [crypto],
+ [AC_DEFINE([HAVE_RSA_SET0_CRT_PARAMS], [1],
+ [Define if libcrypto has RSA_get0_srt_params])])
+ AC_SEARCH_LIBS([RSA_set0_factors], [crypto],
+ [AC_DEFINE([HAVE_RSA_SET0_FACTORS], [1],
+ [Define if libcrypto has RSA_set0_factors])])
+ AC_SEARCH_LIBS([RSA_set0_key], [crypto],
+ [AC_DEFINE([HAVE_RSA_SET0_KEY], [1],
+ [Define if libcrypto has RSA_set0_key])])
+
+ AC_SEARCH_LIBS([RSA_meth_free], [crypto],
+ [AC_DEFINE([HAVE_RSA_METH_FREE], [1],
+ [Define if libcrypto has RSA_meth_free])])
+ AC_SEARCH_LIBS([RSA_meth_dup], [crypto],
+ [AC_DEFINE([HAVE_RSA_METH_DUP], [1],
+ [Define if libcrypto has RSA_meth_dup])])
+ AC_SEARCH_LIBS([RSA_meth_set1_name], [crypto],
+ [AC_DEFINE([HAVE_RSA_METH_SET1_NAME], [1],
+ [Define if libcrypto has RSA_meth_set1_name])])
+ AC_SEARCH_LIBS([RSA_meth_get_finish], [crypto],
+ [AC_DEFINE([HAVE_RSA_METH_GET_FINISH], [1],
+ [Define if libcrypto has RSA_meth_get_finish])])
+ AC_SEARCH_LIBS([RSA_meth_set_priv_enc], [crypto],
+ [AC_DEFINE([HAVE_RSA_METH_SET_PRIV_ENC], [1],
+ [Define if libcrypto has RSA_meth_set_priv_enc])])
+ AC_SEARCH_LIBS([RSA_meth_set_priv_dec], [crypto],
+ [AC_DEFINE([HAVE_RSA_METH_SET_PRIV_DEC], [1],
+ [Define if libcrypto has RSA_meth_set_priv_dec])])
+ AC_SEARCH_LIBS([RSA_meth_set_finish], [crypto],
+ [AC_DEFINE([HAVE_RSA_METH_SET_FINISH], [1],
+ [Define if libcrypto has RSA_meth_set_finish])])
+
+ AC_SEARCH_LIBS([EVP_PKEY_get0_RSA], [crypto],
+ [AC_DEFINE([HAVE_EVP_PKEY_GET0_RSA], [1],
+ [Define if libcrypto has EVP_PKEY_get0_RSA])])
+
+ AC_SEARCH_LIBS([EVP_MD_CTX_new], [crypto],
+ [AC_DEFINE([HAVE_EVP_MD_CTX_NEW], [1],
+ [Define if libcrypto has EVP_MD_CTX_new])])
+ AC_SEARCH_LIBS([EVP_MD_CTX_free], [crypto],
+ [AC_DEFINE([HAVE_EVP_MD_CTX_FREE], [1],
+ [Define if libcrypto has EVP_MD_CTX_free])])
+
+ AC_MSG_CHECKING([if EVP_DigestUpdate returns an int])
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[
+ #include <string.h>
+ #include <openssl/evp.h>
+ ]], [[
+ if(EVP_DigestUpdate(NULL, NULL,0))
+ exit(0);
+ ]])],
+ [
+ AC_MSG_RESULT([yes])
+ ],
+ [
+ AC_MSG_RESULT([no])
+ AC_DEFINE([OPENSSL_EVP_DIGESTUPDATE_VOID], [1],
+ [Define if EVP_DigestUpdate returns void])
+ ]
+ )
+
+ # Some systems want crypt() from libcrypt, *not* the version in OpenSSL,
+ # because the system crypt() is more featureful.
+ if test "x$check_for_libcrypt_before" = "x1"; then
+ AC_CHECK_LIB([crypt], [crypt])
+ fi
+
+ # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
+ # version in OpenSSL.
+ if test "x$check_for_libcrypt_later" = "x1"; then
+ AC_CHECK_LIB([crypt], [crypt], [LIBS="$LIBS -lcrypt"])
+ fi
+ AC_CHECK_FUNCS([crypt DES_crypt])
+
+ # Search for SHA256 support in libc and/or OpenSSL
+ AC_CHECK_FUNCS([SHA256_Update EVP_sha256], ,
+ [unsupported_algorithms="$unsupported_algorithms \
+ hmac-sha2-256 \
+ hmac-sha2-512 \
+ diffie-hellman-group-exchange-sha256 \
+ hmac-sha2-256-etm@openssh.com \
+ hmac-sha2-512-etm@openssh.com"
+ ]
+ )
+ # Search for RIPE-MD support in OpenSSL
+ AC_CHECK_FUNCS([EVP_ripemd160], ,
+ [unsupported_algorithms="$unsupported_algorithms \
+ hmac-ripemd160 \
+ hmac-ripemd160@openssh.com \
+ hmac-ripemd160-etm@openssh.com"
+ ]
+ )
+
+ # Check complete ECC support in OpenSSL
+ AC_MSG_CHECKING([whether OpenSSL has NID_X9_62_prime256v1])
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[
+ #include <openssl/ec.h>
+ #include <openssl/ecdh.h>
+ #include <openssl/ecdsa.h>
+ #include <openssl/evp.h>
+ #include <openssl/objects.h>
+ #include <openssl/opensslv.h>
+ ]], [[
+ EC_KEY *e = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
+ const EVP_MD *m = EVP_sha256(); /* We need this too */
+ ]])],
+ [ AC_MSG_RESULT([yes])
+ enable_nistp256=1 ],
+ [ AC_MSG_RESULT([no]) ]
+ )
+
+ AC_MSG_CHECKING([whether OpenSSL has NID_secp384r1])
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[
+ #include <openssl/ec.h>
+ #include <openssl/ecdh.h>
+ #include <openssl/ecdsa.h>
+ #include <openssl/evp.h>
+ #include <openssl/objects.h>
+ #include <openssl/opensslv.h>
+ ]], [[
+ EC_KEY *e = EC_KEY_new_by_curve_name(NID_secp384r1);
+ const EVP_MD *m = EVP_sha384(); /* We need this too */
+ ]])],
+ [ AC_MSG_RESULT([yes])
+ enable_nistp384=1 ],
+ [ AC_MSG_RESULT([no]) ]
+ )
+
+ AC_MSG_CHECKING([whether OpenSSL has NID_secp521r1])
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[
+ #include <openssl/ec.h>
+ #include <openssl/ecdh.h>
+ #include <openssl/ecdsa.h>
+ #include <openssl/evp.h>
+ #include <openssl/objects.h>
+ #include <openssl/opensslv.h>
+ ]], [[
+ EC_KEY *e = EC_KEY_new_by_curve_name(NID_secp521r1);
+ const EVP_MD *m = EVP_sha512(); /* We need this too */
+ ]])],
+ [ AC_MSG_RESULT([yes])
+ AC_MSG_CHECKING([if OpenSSL's NID_secp521r1 is functional])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+ #include <openssl/ec.h>
+ #include <openssl/ecdh.h>
+ #include <openssl/ecdsa.h>
+ #include <openssl/evp.h>
+ #include <openssl/objects.h>
+ #include <openssl/opensslv.h>
+ ]],[[
+ EC_KEY *e = EC_KEY_new_by_curve_name(NID_secp521r1);
+ const EVP_MD *m = EVP_sha512(); /* We need this too */
+ exit(e == NULL || m == NULL);
+ ]])],
+ [ AC_MSG_RESULT([yes])
+ enable_nistp521=1 ],
+ [ AC_MSG_RESULT([no]) ],
+ [ AC_MSG_WARN([cross-compiling: assuming yes])
+ enable_nistp521=1 ]
+ )],
+ AC_MSG_RESULT([no])
+ )
+
+ COMMENT_OUT_ECC="#no ecc#"
+ TEST_SSH_ECC=no
+
+ if test x$enable_nistp256 = x1 || test x$enable_nistp384 = x1 || \
+ test x$enable_nistp521 = x1; then
+ AC_DEFINE(OPENSSL_HAS_ECC, [1], [OpenSSL has ECC])
+ fi
+ if test x$enable_nistp256 = x1; then
+ AC_DEFINE([OPENSSL_HAS_NISTP256], [1],
+ [libcrypto has NID_X9_62_prime256v1])
+ TEST_SSH_ECC=yes
+ COMMENT_OUT_ECC=""
+ else
+ unsupported_algorithms="$unsupported_algorithms \
+ ecdsa-sha2-nistp256 \
+ ecdh-sha2-nistp256 \
+ ecdsa-sha2-nistp256-cert-v01@openssh.com"
+ fi
+ if test x$enable_nistp384 = x1; then
+ AC_DEFINE([OPENSSL_HAS_NISTP384], [1], [libcrypto has NID_secp384r1])
+ TEST_SSH_ECC=yes
+ COMMENT_OUT_ECC=""
+ else
+ unsupported_algorithms="$unsupported_algorithms \
+ ecdsa-sha2-nistp384 \
+ ecdh-sha2-nistp384 \
+ ecdsa-sha2-nistp384-cert-v01@openssh.com"
+ fi
+ if test x$enable_nistp521 = x1; then
+ AC_DEFINE([OPENSSL_HAS_NISTP521], [1], [libcrypto has NID_secp521r1])
+ TEST_SSH_ECC=yes
+ COMMENT_OUT_ECC=""
+ else
+ unsupported_algorithms="$unsupported_algorithms \
+ ecdh-sha2-nistp521 \
+ ecdsa-sha2-nistp521 \
+ ecdsa-sha2-nistp521-cert-v01@openssh.com"
+ fi
+
+ AC_SUBST([TEST_SSH_ECC])
+ AC_SUBST([COMMENT_OUT_ECC])
+else
+ AC_CHECK_LIB([crypt], [crypt], [LIBS="$LIBS -lcrypt"])
+ AC_CHECK_FUNCS([crypt])
+fi
+
+AC_CHECK_FUNCS([ \
+ arc4random \
+ arc4random_buf \
+ arc4random_stir \
+ arc4random_uniform \
+])
+
+saved_LIBS="$LIBS"
+AC_CHECK_LIB([iaf], [ia_openinfo], [
+ LIBS="$LIBS -liaf"
+ AC_CHECK_FUNCS([set_id], [SSHDLIBS="$SSHDLIBS -liaf"
+ AC_DEFINE([HAVE_LIBIAF], [1],
+ [Define if system has libiaf that supports set_id])
+ ])
+])
+LIBS="$saved_LIBS"
+
+### Configure cryptographic random number support
+
+# Check whether OpenSSL seeds itself
+if test "x$openssl" = "xyes" ; then
+ AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+ #include <string.h>
+ #include <openssl/rand.h>
+ ]], [[
+ exit(RAND_status() == 1 ? 0 : 1);
+ ]])],
+ [
+ OPENSSL_SEEDS_ITSELF=yes
+ AC_MSG_RESULT([yes])
+ ],
+ [
+ AC_MSG_RESULT([no])
+ ],
+ [
+ AC_MSG_WARN([cross compiling: assuming yes])
+ # This is safe, since we will fatal() at runtime if
+ # OpenSSL is not seeded correctly.
+ OPENSSL_SEEDS_ITSELF=yes
+ ]
+ )
+fi
+
+# PRNGD TCP socket
+AC_ARG_WITH([prngd-port],
+ [ --with-prngd-port=PORT read entropy from PRNGD/EGD TCP localhost:PORT],
+ [
+ case "$withval" in
+ no)
+ withval=""
+ ;;
+ [[0-9]]*)
+ ;;
+ *)
+ AC_MSG_ERROR([You must specify a numeric port number for --with-prngd-port])
+ ;;
+ esac
+ if test ! -z "$withval" ; then
+ PRNGD_PORT="$withval"
+ AC_DEFINE_UNQUOTED([PRNGD_PORT], [$PRNGD_PORT],
+ [Port number of PRNGD/EGD random number socket])
+ fi
+ ]
+)
+
+# PRNGD Unix domain socket
+AC_ARG_WITH([prngd-socket],
+ [ --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
+ [
+ case "$withval" in
+ yes)
+ withval="/var/run/egd-pool"
+ ;;
+ no)
+ withval=""
+ ;;
+ /*)
+ ;;
+ *)
+ AC_MSG_ERROR([You must specify an absolute path to the entropy socket])
+ ;;
+ esac
+
+ if test ! -z "$withval" ; then
+ if test ! -z "$PRNGD_PORT" ; then
+ AC_MSG_ERROR([You may not specify both a PRNGD/EGD port and socket])
+ fi
+ if test ! -r "$withval" ; then
+ AC_MSG_WARN([Entropy socket is not readable])
+ fi
+ PRNGD_SOCKET="$withval"
+ AC_DEFINE_UNQUOTED([PRNGD_SOCKET], ["$PRNGD_SOCKET"],
+ [Location of PRNGD/EGD random number socket])
+ fi
+ ],
+ [
+ # Check for existing socket only if we don't have a random device already
+ if test "x$OPENSSL_SEEDS_ITSELF" != "xyes" ; then
+ AC_MSG_CHECKING([for PRNGD/EGD socket])
+ # Insert other locations here
+ for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
+ if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
+ PRNGD_SOCKET="$sock"
+ AC_DEFINE_UNQUOTED([PRNGD_SOCKET], ["$PRNGD_SOCKET"])
+ break;
+ fi
+ done
+ if test ! -z "$PRNGD_SOCKET" ; then
+ AC_MSG_RESULT([$PRNGD_SOCKET])
+ else
+ AC_MSG_RESULT([not found])
+ fi
+ fi
+ ]
+)
+
+# Which randomness source do we use?
+if test ! -z "$PRNGD_PORT" ; then
+ RAND_MSG="PRNGd port $PRNGD_PORT"
+elif test ! -z "$PRNGD_SOCKET" ; then
+ RAND_MSG="PRNGd socket $PRNGD_SOCKET"
+elif test ! -z "$OPENSSL_SEEDS_ITSELF" ; then
+ AC_DEFINE([OPENSSL_PRNG_ONLY], [1],
+ [Define if you want the OpenSSL internally seeded PRNG only])
+ RAND_MSG="OpenSSL internal ONLY"
+elif test "x$openssl" = "xno" ; then
+ AC_MSG_WARN([OpenSSH will use /dev/urandom as a source of random numbers. It will fail if this device is not supported or accessible])
+else
+ AC_MSG_ERROR([OpenSSH has no source of random numbers. Please configure OpenSSL with an entropy source or re-run configure using one of the --with-prngd-port or --with-prngd-socket options])
+fi
+
+# Check for PAM libs
+PAM_MSG="no"
+AC_ARG_WITH([pam],
+ [ --with-pam Enable PAM support ],
+ [
+ if test "x$withval" != "xno" ; then
+ if test "x$ac_cv_header_security_pam_appl_h" != "xyes" && \
+ test "x$ac_cv_header_pam_pam_appl_h" != "xyes" ; then
+ AC_MSG_ERROR([PAM headers not found])
+ fi
+
+ saved_LIBS="$LIBS"
+ AC_CHECK_LIB([dl], [dlopen], , )
+ AC_CHECK_LIB([pam], [pam_set_item], , [AC_MSG_ERROR([*** libpam missing])])
+ AC_CHECK_FUNCS([pam_getenvlist])
+ AC_CHECK_FUNCS([pam_putenv])
+ LIBS="$saved_LIBS"
+
+ PAM_MSG="yes"
+
+ SSHDLIBS="$SSHDLIBS -lpam"
+ AC_DEFINE([USE_PAM], [1],
+ [Define if you want to enable PAM support])
+
+ if test $ac_cv_lib_dl_dlopen = yes; then
+ case "$LIBS" in
+ *-ldl*)
+ # libdl already in LIBS
+ ;;
+ *)
+ SSHDLIBS="$SSHDLIBS -ldl"
+ ;;
+ esac
+ fi
+ fi
+ ]
+)
+
+AC_ARG_WITH([pam-service],
+ [ --with-pam-service=name Specify PAM service name ],
+ [
+ if test "x$withval" != "xno" && \
+ test "x$withval" != "xyes" ; then
+ AC_DEFINE_UNQUOTED([SSHD_PAM_SERVICE],
+ ["$withval"], [sshd PAM service name])
+ fi
+ ]
+)
+
+# Check for older PAM
+if test "x$PAM_MSG" = "xyes" ; then
+ # Check PAM strerror arguments (old PAM)
+ AC_MSG_CHECKING([whether pam_strerror takes only one argument])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <stdlib.h>
+#if defined(HAVE_SECURITY_PAM_APPL_H)
+#include <security/pam_appl.h>
+#elif defined (HAVE_PAM_PAM_APPL_H)
+#include <pam/pam_appl.h>
+#endif
+ ]], [[
+(void)pam_strerror((pam_handle_t *)NULL, -1);
+ ]])], [AC_MSG_RESULT([no])], [
+ AC_DEFINE([HAVE_OLD_PAM], [1],
+ [Define if you have an old version of PAM
+ which takes only one argument to pam_strerror])
+ AC_MSG_RESULT([yes])
+ PAM_MSG="yes (old library)"
+
+ ])
+fi
+
+case "$host" in
+*-*-cygwin*)
+ SSH_PRIVSEP_USER=CYGWIN_SSH_PRIVSEP_USER
+ ;;
+*)
+ SSH_PRIVSEP_USER=sshd
+ ;;
+esac
+AC_ARG_WITH([privsep-user],
+ [ --with-privsep-user=user Specify non-privileged user for privilege separation],
+ [
+ if test -n "$withval" && test "x$withval" != "xno" && \
+ test "x${withval}" != "xyes"; then
+ SSH_PRIVSEP_USER=$withval
+ fi
+ ]
+)
+if test "x$SSH_PRIVSEP_USER" = "xCYGWIN_SSH_PRIVSEP_USER" ; then
+ AC_DEFINE_UNQUOTED([SSH_PRIVSEP_USER], [CYGWIN_SSH_PRIVSEP_USER],
+ [Cygwin function to fetch non-privileged user for privilege separation])
+else
+ AC_DEFINE_UNQUOTED([SSH_PRIVSEP_USER], ["$SSH_PRIVSEP_USER"],
+ [non-privileged user for privilege separation])
+fi
+AC_SUBST([SSH_PRIVSEP_USER])
+
+if test "x$have_linux_no_new_privs" = "x1" ; then
+AC_CHECK_DECL([SECCOMP_MODE_FILTER], [have_seccomp_filter=1], , [
+ #include <sys/types.h>
+ #include <linux/seccomp.h>
+])
+fi
+if test "x$have_seccomp_filter" = "x1" ; then
+AC_MSG_CHECKING([kernel for seccomp_filter support])
+AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+ #include <errno.h>
+ #include <elf.h>
+ #include <linux/audit.h>
+ #include <linux/seccomp.h>
+ #include <stdlib.h>
+ #include <sys/prctl.h>
+ ]],
+ [[ int i = $seccomp_audit_arch;
+ errno = 0;
+ prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, NULL, 0, 0);
+ exit(errno == EFAULT ? 0 : 1); ]])],
+ [ AC_MSG_RESULT([yes]) ], [
+ AC_MSG_RESULT([no])
+ # Disable seccomp filter as a target
+ have_seccomp_filter=0
+ ]
+)
+fi
+
+# Decide which sandbox style to use
+sandbox_arg=""
+AC_ARG_WITH([sandbox],
+ [ --with-sandbox=style Specify privilege separation sandbox (no, capsicum, darwin, rlimit, seccomp_filter, systrace, pledge)],
+ [
+ if test "x$withval" = "xyes" ; then
+ sandbox_arg=""
+ else
+ sandbox_arg="$withval"
+ fi
+ ]
+)
+
+# Some platforms (seems to be the ones that have a kernel poll(2)-type
+# function with which they implement select(2)) use an extra file descriptor
+# when calling select(2), which means we can't use the rlimit sandbox.
+AC_MSG_CHECKING([if select works with descriptor rlimit])
+AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+#include <sys/resource.h>
+#ifdef HAVE_SYS_SELECT_H
+# include <sys/select.h>
+#endif
+#include <errno.h>
+#include <fcntl.h>
+#include <stdlib.h>
+ ]],[[
+ struct rlimit rl_zero;
+ int fd, r;
+ fd_set fds;
+ struct timeval tv;
+
+ fd = open("/dev/null", O_RDONLY);
+ FD_ZERO(&fds);
+ FD_SET(fd, &fds);
+ rl_zero.rlim_cur = rl_zero.rlim_max = 0;
+ setrlimit(RLIMIT_FSIZE, &rl_zero);
+ setrlimit(RLIMIT_NOFILE, &rl_zero);
+ tv.tv_sec = 1;
+ tv.tv_usec = 0;
+ r = select(fd+1, &fds, NULL, NULL, &tv);
+ exit (r == -1 ? 1 : 0);
+ ]])],
+ [AC_MSG_RESULT([yes])
+ select_works_with_rlimit=yes],
+ [AC_MSG_RESULT([no])
+ select_works_with_rlimit=no],
+ [AC_MSG_WARN([cross compiling: assuming yes])
+ select_works_with_rlimit=yes]
+)
+
+AC_MSG_CHECKING([if setrlimit(RLIMIT_NOFILE,{0,0}) works])
+AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+#include <sys/resource.h>
+#include <errno.h>
+#include <stdlib.h>
+ ]],[[
+ struct rlimit rl_zero;
+ int fd, r;
+ fd_set fds;
+
+ rl_zero.rlim_cur = rl_zero.rlim_max = 0;
+ r = setrlimit(RLIMIT_NOFILE, &rl_zero);
+ exit (r == -1 ? 1 : 0);
+ ]])],
+ [AC_MSG_RESULT([yes])
+ rlimit_nofile_zero_works=yes],
+ [AC_MSG_RESULT([no])
+ rlimit_nofile_zero_works=no],
+ [AC_MSG_WARN([cross compiling: assuming yes])
+ rlimit_nofile_zero_works=yes]
+)
+
+AC_MSG_CHECKING([if setrlimit RLIMIT_FSIZE works])
+AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/resource.h>
+#include <stdlib.h>
+ ]],[[
+ struct rlimit rl_zero;
+
+ rl_zero.rlim_cur = rl_zero.rlim_max = 0;
+ exit(setrlimit(RLIMIT_FSIZE, &rl_zero) != 0);
+ ]])],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])
+ AC_DEFINE(SANDBOX_SKIP_RLIMIT_FSIZE, 1,
+ [setrlimit RLIMIT_FSIZE works])],
+ [AC_MSG_WARN([cross compiling: assuming yes])]
+)
+
+if test "x$sandbox_arg" = "xpledge" || \
+ ( test -z "$sandbox_arg" && test "x$ac_cv_func_pledge" = "xyes" ) ; then
+ test "x$ac_cv_func_pledge" != "xyes" && \
+ AC_MSG_ERROR([pledge sandbox requires pledge(2) support])
+ SANDBOX_STYLE="pledge"
+ AC_DEFINE([SANDBOX_PLEDGE], [1], [Sandbox using pledge(2)])
+elif test "x$sandbox_arg" = "xsystrace" || \
+ ( test -z "$sandbox_arg" && test "x$have_systr_policy_kill" = "x1" ) ; then
+ test "x$have_systr_policy_kill" != "x1" && \
+ AC_MSG_ERROR([systrace sandbox requires systrace headers and SYSTR_POLICY_KILL support])
+ SANDBOX_STYLE="systrace"
+ AC_DEFINE([SANDBOX_SYSTRACE], [1], [Sandbox using systrace(4)])
+elif test "x$sandbox_arg" = "xdarwin" || \
+ ( test -z "$sandbox_arg" && test "x$ac_cv_func_sandbox_init" = "xyes" && \
+ test "x$ac_cv_header_sandbox_h" = "xyes") ; then
+ test "x$ac_cv_func_sandbox_init" != "xyes" -o \
+ "x$ac_cv_header_sandbox_h" != "xyes" && \
+ AC_MSG_ERROR([Darwin seatbelt sandbox requires sandbox.h and sandbox_init function])
+ SANDBOX_STYLE="darwin"
+ AC_DEFINE([SANDBOX_DARWIN], [1], [Sandbox using Darwin sandbox_init(3)])
+elif test "x$sandbox_arg" = "xseccomp_filter" || \
+ ( test -z "$sandbox_arg" && \
+ test "x$have_seccomp_filter" = "x1" && \
+ test "x$ac_cv_header_elf_h" = "xyes" && \
+ test "x$ac_cv_header_linux_audit_h" = "xyes" && \
+ test "x$ac_cv_header_linux_filter_h" = "xyes" && \
+ test "x$seccomp_audit_arch" != "x" && \
+ test "x$have_linux_no_new_privs" = "x1" && \
+ test "x$ac_cv_func_prctl" = "xyes" ) ; then
+ test "x$seccomp_audit_arch" = "x" && \
+ AC_MSG_ERROR([seccomp_filter sandbox not supported on $host])
+ test "x$have_linux_no_new_privs" != "x1" && \
+ AC_MSG_ERROR([seccomp_filter sandbox requires PR_SET_NO_NEW_PRIVS])
+ test "x$have_seccomp_filter" != "x1" && \
+ AC_MSG_ERROR([seccomp_filter sandbox requires seccomp headers])
+ test "x$ac_cv_func_prctl" != "xyes" && \
+ AC_MSG_ERROR([seccomp_filter sandbox requires prctl function])
+ SANDBOX_STYLE="seccomp_filter"
+ AC_DEFINE([SANDBOX_SECCOMP_FILTER], [1], [Sandbox using seccomp filter])
+elif test "x$sandbox_arg" = "xcapsicum" || \
+ ( test -z "$sandbox_arg" && \
+ test "x$ac_cv_header_sys_capsicum_h" = "xyes" && \
+ test "x$ac_cv_func_cap_rights_limit" = "xyes") ; then
+ test "x$ac_cv_header_sys_capsicum_h" != "xyes" && \
+ AC_MSG_ERROR([capsicum sandbox requires sys/capsicum.h header])
+ test "x$ac_cv_func_cap_rights_limit" != "xyes" && \
+ AC_MSG_ERROR([capsicum sandbox requires cap_rights_limit function])
+ SANDBOX_STYLE="capsicum"
+ AC_DEFINE([SANDBOX_CAPSICUM], [1], [Sandbox using capsicum])
+elif test "x$sandbox_arg" = "xrlimit" || \
+ ( test -z "$sandbox_arg" && test "x$ac_cv_func_setrlimit" = "xyes" && \
+ test "x$select_works_with_rlimit" = "xyes" && \
+ test "x$rlimit_nofile_zero_works" = "xyes" ) ; then
+ test "x$ac_cv_func_setrlimit" != "xyes" && \
+ AC_MSG_ERROR([rlimit sandbox requires setrlimit function])
+ test "x$select_works_with_rlimit" != "xyes" && \
+ AC_MSG_ERROR([rlimit sandbox requires select to work with rlimit])
+ SANDBOX_STYLE="rlimit"
+ AC_DEFINE([SANDBOX_RLIMIT], [1], [Sandbox using setrlimit(2)])
+elif test "x$sandbox_arg" = "xsolaris" || \
+ ( test -z "$sandbox_arg" && test "x$SOLARIS_PRIVS" = "xyes" ) ; then
+ SANDBOX_STYLE="solaris"
+ AC_DEFINE([SANDBOX_SOLARIS], [1], [Sandbox using Solaris/Illumos privileges])
+elif test -z "$sandbox_arg" || test "x$sandbox_arg" = "xno" || \
+ test "x$sandbox_arg" = "xnone" || test "x$sandbox_arg" = "xnull" ; then
+ SANDBOX_STYLE="none"
+ AC_DEFINE([SANDBOX_NULL], [1], [no privsep sandboxing])
+else
+ AC_MSG_ERROR([unsupported --with-sandbox])
+fi
+
+# Cheap hack to ensure NEWS-OS libraries are arranged right.
+if test ! -z "$SONY" ; then
+ LIBS="$LIBS -liberty";
+fi
+
+# Check for long long datatypes
+AC_CHECK_TYPES([long long, unsigned long long, long double])
+
+# Check datatype sizes
+AC_CHECK_SIZEOF([short int], [2])
+AC_CHECK_SIZEOF([int], [4])
+AC_CHECK_SIZEOF([long int], [4])
+AC_CHECK_SIZEOF([long long int], [8])
+
+# Sanity check long long for some platforms (AIX)
+if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
+ ac_cv_sizeof_long_long_int=0
+fi
+
+# compute LLONG_MIN and LLONG_MAX if we don't know them.
+if test -z "$have_llong_max"; then
+ AC_MSG_CHECKING([for max value of long long])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <stdio.h>
+/* Why is this so damn hard? */
+#ifdef __GNUC__
+# undef __GNUC__
+#endif
+#define __USE_ISOC99
+#include <limits.h>
+#define DATA "conftest.llminmax"
+#define my_abs(a) ((a) < 0 ? ((a) * -1) : (a))
+
+/*
+ * printf in libc on some platforms (eg old Tru64) does not understand %lld so
+ * we do this the hard way.
+ */
+static int
+fprint_ll(FILE *f, long long n)
+{
+ unsigned int i;
+ int l[sizeof(long long) * 8];
+
+ if (n < 0)
+ if (fprintf(f, "-") < 0)
+ return -1;
+ for (i = 0; n != 0; i++) {
+ l[i] = my_abs(n % 10);
+ n /= 10;
+ }
+ do {
+ if (fprintf(f, "%d", l[--i]) < 0)
+ return -1;
+ } while (i != 0);
+ if (fprintf(f, " ") < 0)
+ return -1;
+ return 0;
+}
+ ]], [[
+ FILE *f;
+ long long i, llmin, llmax = 0;
+
+ if((f = fopen(DATA,"w")) == NULL)
+ exit(1);
+
+#if defined(LLONG_MIN) && defined(LLONG_MAX)
+ fprintf(stderr, "Using system header for LLONG_MIN and LLONG_MAX\n");
+ llmin = LLONG_MIN;
+ llmax = LLONG_MAX;
+#else
+ fprintf(stderr, "Calculating LLONG_MIN and LLONG_MAX\n");
+ /* This will work on one's complement and two's complement */
+ for (i = 1; i > llmax; i <<= 1, i++)
+ llmax = i;
+ llmin = llmax + 1LL; /* wrap */
+#endif
+
+ /* Sanity check */
+ if (llmin + 1 < llmin || llmin - 1 < llmin || llmax + 1 > llmax
+ || llmax - 1 > llmax || llmin == llmax || llmin == 0
+ || llmax == 0 || llmax < LONG_MAX || llmin > LONG_MIN) {
+ fprintf(f, "unknown unknown\n");
+ exit(2);
+ }
+
+ if (fprint_ll(f, llmin) < 0)
+ exit(3);
+ if (fprint_ll(f, llmax) < 0)
+ exit(4);
+ if (fclose(f) < 0)
+ exit(5);
+ exit(0);
+ ]])],
+ [
+ llong_min=`$AWK '{print $1}' conftest.llminmax`
+ llong_max=`$AWK '{print $2}' conftest.llminmax`
+
+ AC_MSG_RESULT([$llong_max])
+ AC_DEFINE_UNQUOTED([LLONG_MAX], [${llong_max}LL],
+ [max value of long long calculated by configure])
+ AC_MSG_CHECKING([for min value of long long])
+ AC_MSG_RESULT([$llong_min])
+ AC_DEFINE_UNQUOTED([LLONG_MIN], [${llong_min}LL],
+ [min value of long long calculated by configure])
+ ],
+ [
+ AC_MSG_RESULT([not found])
+ ],
+ [
+ AC_MSG_WARN([cross compiling: not checking])
+ ]
+ )
+fi
+
+
+# More checks for data types
+AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]],
+ [[ u_int a; a = 1;]])],
+ [ ac_cv_have_u_int="yes" ], [ ac_cv_have_u_int="no"
+ ])
+])
+if test "x$ac_cv_have_u_int" = "xyes" ; then
+ AC_DEFINE([HAVE_U_INT], [1], [define if you have u_int data type])
+ have_u_int=1
+fi
+
+AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]],
+ [[ int8_t a; int16_t b; int32_t c; a = b = c = 1;]])],
+ [ ac_cv_have_intxx_t="yes" ], [ ac_cv_have_intxx_t="no"
+ ])
+])
+if test "x$ac_cv_have_intxx_t" = "xyes" ; then
+ AC_DEFINE([HAVE_INTXX_T], [1], [define if you have intxx_t data type])
+ have_intxx_t=1
+fi
+
+if (test -z "$have_intxx_t" && \
+ test "x$ac_cv_header_stdint_h" = "xyes")
+then
+ AC_MSG_CHECKING([for intXX_t types in stdint.h])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <stdint.h> ]],
+ [[ int8_t a; int16_t b; int32_t c; a = b = c = 1;]])],
+ [
+ AC_DEFINE([HAVE_INTXX_T])
+ AC_MSG_RESULT([yes])
+ ], [ AC_MSG_RESULT([no])
+ ])
+fi
+
+AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#include <sys/socket.h>
+#ifdef HAVE_SYS_BITYPES_H
+# include <sys/bitypes.h>
+#endif
+ ]], [[
+int64_t a; a = 1;
+ ]])],
+ [ ac_cv_have_int64_t="yes" ], [ ac_cv_have_int64_t="no"
+ ])
+])
+if test "x$ac_cv_have_int64_t" = "xyes" ; then
+ AC_DEFINE([HAVE_INT64_T], [1], [define if you have int64_t data type])
+fi
+
+AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]],
+ [[ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;]])],
+ [ ac_cv_have_u_intxx_t="yes" ], [ ac_cv_have_u_intxx_t="no"
+ ])
+])
+if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
+ AC_DEFINE([HAVE_U_INTXX_T], [1], [define if you have u_intxx_t data type])
+ have_u_intxx_t=1
+fi
+
+if test -z "$have_u_intxx_t" ; then
+ AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/socket.h> ]],
+ [[ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;]])],
+ [
+ AC_DEFINE([HAVE_U_INTXX_T])
+ AC_MSG_RESULT([yes])
+ ], [ AC_MSG_RESULT([no])
+ ])
+fi
+
+AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]],
+ [[ u_int64_t a; a = 1;]])],
+ [ ac_cv_have_u_int64_t="yes" ], [ ac_cv_have_u_int64_t="no"
+ ])
+])
+if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
+ AC_DEFINE([HAVE_U_INT64_T], [1], [define if you have u_int64_t data type])
+ have_u_int64_t=1
+fi
+
+if (test -z "$have_u_int64_t" && \
+ test "x$ac_cv_header_sys_bitypes_h" = "xyes")
+then
+ AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/bitypes.h> ]],
+ [[ u_int64_t a; a = 1]])],
+ [
+ AC_DEFINE([HAVE_U_INT64_T])
+ AC_MSG_RESULT([yes])
+ ], [ AC_MSG_RESULT([no])
+ ])
+fi
+
+if test -z "$have_u_intxx_t" ; then
+ AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+ ]], [[
+ uint8_t a;
+ uint16_t b;
+ uint32_t c;
+ a = b = c = 1;
+ ]])],
+ [ ac_cv_have_uintxx_t="yes" ], [ ac_cv_have_uintxx_t="no"
+ ])
+ ])
+ if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
+ AC_DEFINE([HAVE_UINTXX_T], [1],
+ [define if you have uintxx_t data type])
+ fi
+fi
+
+if (test -z "$have_uintxx_t" && \
+ test "x$ac_cv_header_stdint_h" = "xyes")
+then
+ AC_MSG_CHECKING([for uintXX_t types in stdint.h])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <stdint.h> ]],
+ [[ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;]])],
+ [
+ AC_DEFINE([HAVE_UINTXX_T])
+ AC_MSG_RESULT([yes])
+ ], [ AC_MSG_RESULT([no])
+ ])
+fi
+
+if (test -z "$have_uintxx_t" && \
+ test "x$ac_cv_header_inttypes_h" = "xyes")
+then
+ AC_MSG_CHECKING([for uintXX_t types in inttypes.h])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <inttypes.h> ]],
+ [[ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;]])],
+ [
+ AC_DEFINE([HAVE_UINTXX_T])
+ AC_MSG_RESULT([yes])
+ ], [ AC_MSG_RESULT([no])
+ ])
+fi
+
+if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
+ test "x$ac_cv_header_sys_bitypes_h" = "xyes")
+then
+ AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/bitypes.h>
+ ]], [[
+ int8_t a; int16_t b; int32_t c;
+ u_int8_t e; u_int16_t f; u_int32_t g;
+ a = b = c = e = f = g = 1;
+ ]])],
+ [
+ AC_DEFINE([HAVE_U_INTXX_T])
+ AC_DEFINE([HAVE_INTXX_T])
+ AC_MSG_RESULT([yes])
+ ], [AC_MSG_RESULT([no])
+ ])
+fi
+
+
+AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]],
+ [[ u_char foo; foo = 125; ]])],
+ [ ac_cv_have_u_char="yes" ], [ ac_cv_have_u_char="no"
+ ])
+])
+if test "x$ac_cv_have_u_char" = "xyes" ; then
+ AC_DEFINE([HAVE_U_CHAR], [1], [define if you have u_char data type])
+fi
+
+AC_CHECK_TYPES([intmax_t, uintmax_t], , , [
+#include <sys/types.h>
+#include <stdint.h>
+])
+
+TYPE_SOCKLEN_T
+
+AC_CHECK_TYPES([sig_atomic_t], , , [#include <signal.h>])
+AC_CHECK_TYPES([fsblkcnt_t, fsfilcnt_t], , , [
+#include <sys/types.h>
+#ifdef HAVE_SYS_BITYPES_H
+#include <sys/bitypes.h>
+#endif
+#ifdef HAVE_SYS_STATFS_H
+#include <sys/statfs.h>
+#endif
+#ifdef HAVE_SYS_STATVFS_H
+#include <sys/statvfs.h>
+#endif
+])
+
+AC_CHECK_MEMBERS([struct statfs.f_flags], [], [], [[
+#include <sys/types.h>
+#ifdef HAVE_SYS_BITYPES_H
+#include <sys/bitypes.h>
+#endif
+#ifdef HAVE_SYS_STATFS_H
+#include <sys/statfs.h>
+#endif
+#ifdef HAVE_SYS_STATVFS_H
+#include <sys/statvfs.h>
+#endif
+#ifdef HAVE_SYS_VFS_H
+#include <sys/vfs.h>
+#endif
+]])
+
+
+AC_CHECK_TYPES([in_addr_t, in_port_t], , ,
+[#include <sys/types.h>
+#include <netinet/in.h>])
+
+AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]],
+ [[ size_t foo; foo = 1235; ]])],
+ [ ac_cv_have_size_t="yes" ], [ ac_cv_have_size_t="no"
+ ])
+])
+if test "x$ac_cv_have_size_t" = "xyes" ; then
+ AC_DEFINE([HAVE_SIZE_T], [1], [define if you have size_t data type])
+fi
+
+AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]],
+ [[ ssize_t foo; foo = 1235; ]])],
+ [ ac_cv_have_ssize_t="yes" ], [ ac_cv_have_ssize_t="no"
+ ])
+])
+if test "x$ac_cv_have_ssize_t" = "xyes" ; then
+ AC_DEFINE([HAVE_SSIZE_T], [1], [define if you have ssize_t data type])
+fi
+
+AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <time.h> ]],
+ [[ clock_t foo; foo = 1235; ]])],
+ [ ac_cv_have_clock_t="yes" ], [ ac_cv_have_clock_t="no"
+ ])
+])
+if test "x$ac_cv_have_clock_t" = "xyes" ; then
+ AC_DEFINE([HAVE_CLOCK_T], [1], [define if you have clock_t data type])
+fi
+
+AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/socket.h>
+ ]], [[ sa_family_t foo; foo = 1235; ]])],
+ [ ac_cv_have_sa_family_t="yes" ],
+ [ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+ ]], [[ sa_family_t foo; foo = 1235; ]])],
+ [ ac_cv_have_sa_family_t="yes" ],
+ [ ac_cv_have_sa_family_t="no" ]
+ )
+ ])
+])
+if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
+ AC_DEFINE([HAVE_SA_FAMILY_T], [1],
+ [define if you have sa_family_t data type])
+fi
+
+AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]],
+ [[ pid_t foo; foo = 1235; ]])],
+ [ ac_cv_have_pid_t="yes" ], [ ac_cv_have_pid_t="no"
+ ])
+])
+if test "x$ac_cv_have_pid_t" = "xyes" ; then
+ AC_DEFINE([HAVE_PID_T], [1], [define if you have pid_t data type])
+fi
+
+AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]],
+ [[ mode_t foo; foo = 1235; ]])],
+ [ ac_cv_have_mode_t="yes" ], [ ac_cv_have_mode_t="no"
+ ])
+])
+if test "x$ac_cv_have_mode_t" = "xyes" ; then
+ AC_DEFINE([HAVE_MODE_T], [1], [define if you have mode_t data type])
+fi
+
+
+AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/socket.h>
+ ]], [[ struct sockaddr_storage s; ]])],
+ [ ac_cv_have_struct_sockaddr_storage="yes" ],
+ [ ac_cv_have_struct_sockaddr_storage="no"
+ ])
+])
+if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
+ AC_DEFINE([HAVE_STRUCT_SOCKADDR_STORAGE], [1],
+ [define if you have struct sockaddr_storage data type])
+fi
+
+AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <netinet/in.h>
+ ]], [[ struct sockaddr_in6 s; s.sin6_family = 0; ]])],
+ [ ac_cv_have_struct_sockaddr_in6="yes" ],
+ [ ac_cv_have_struct_sockaddr_in6="no"
+ ])
+])
+if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
+ AC_DEFINE([HAVE_STRUCT_SOCKADDR_IN6], [1],
+ [define if you have struct sockaddr_in6 data type])
+fi
+
+AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <netinet/in.h>
+ ]], [[ struct in6_addr s; s.s6_addr[0] = 0; ]])],
+ [ ac_cv_have_struct_in6_addr="yes" ],
+ [ ac_cv_have_struct_in6_addr="no"
+ ])
+])
+if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
+ AC_DEFINE([HAVE_STRUCT_IN6_ADDR], [1],
+ [define if you have struct in6_addr data type])
+
+dnl Now check for sin6_scope_id
+ AC_CHECK_MEMBERS([struct sockaddr_in6.sin6_scope_id], , ,
+ [
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#include <netinet/in.h>
+ ])
+fi
+
+AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+ ]], [[ struct addrinfo s; s.ai_flags = AI_PASSIVE; ]])],
+ [ ac_cv_have_struct_addrinfo="yes" ],
+ [ ac_cv_have_struct_addrinfo="no"
+ ])
+])
+if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
+ AC_DEFINE([HAVE_STRUCT_ADDRINFO], [1],
+ [define if you have struct addrinfo data type])
+fi
+
+AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/time.h> ]],
+ [[ struct timeval tv; tv.tv_sec = 1;]])],
+ [ ac_cv_have_struct_timeval="yes" ],
+ [ ac_cv_have_struct_timeval="no"
+ ])
+])
+if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
+ AC_DEFINE([HAVE_STRUCT_TIMEVAL], [1], [define if you have struct timeval])
+ have_struct_timeval=1
+fi
+
+AC_CHECK_TYPES([struct timespec])
+
+# We need int64_t or else certain parts of the compile will fail.
+if test "x$ac_cv_have_int64_t" = "xno" && \
+ test "x$ac_cv_sizeof_long_int" != "x8" && \
+ test "x$ac_cv_sizeof_long_long_int" = "x0" ; then
+ echo "OpenSSH requires int64_t support. Contact your vendor or install"
+ echo "an alternative compiler (I.E., GCC) before continuing."
+ echo ""
+ exit 1;
+else
+dnl test snprintf (broken on SCO w/gcc)
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
+#include <stdio.h>
+#include <string.h>
+#ifdef HAVE_SNPRINTF
+main()
+{
+ char buf[50];
+ char expected_out[50];
+ int mazsize = 50 ;
+#if (SIZEOF_LONG_INT == 8)
+ long int num = 0x7fffffffffffffff;
+#else
+ long long num = 0x7fffffffffffffffll;
+#endif
+ strcpy(expected_out, "9223372036854775807");
+ snprintf(buf, mazsize, "%lld", num);
+ if(strcmp(buf, expected_out) != 0)
+ exit(1);
+ exit(0);
+}
+#else
+main() { exit(0); }
+#endif
+ ]])], [ true ], [ AC_DEFINE([BROKEN_SNPRINTF]) ],
+ AC_MSG_WARN([cross compiling: Assuming working snprintf()])
+ )
+fi
+
+dnl Checks for structure members
+OSSH_CHECK_HEADER_FOR_FIELD([ut_host], [utmp.h], [HAVE_HOST_IN_UTMP])
+OSSH_CHECK_HEADER_FOR_FIELD([ut_host], [utmpx.h], [HAVE_HOST_IN_UTMPX])
+OSSH_CHECK_HEADER_FOR_FIELD([syslen], [utmpx.h], [HAVE_SYSLEN_IN_UTMPX])
+OSSH_CHECK_HEADER_FOR_FIELD([ut_pid], [utmp.h], [HAVE_PID_IN_UTMP])
+OSSH_CHECK_HEADER_FOR_FIELD([ut_type], [utmp.h], [HAVE_TYPE_IN_UTMP])
+OSSH_CHECK_HEADER_FOR_FIELD([ut_type], [utmpx.h], [HAVE_TYPE_IN_UTMPX])
+OSSH_CHECK_HEADER_FOR_FIELD([ut_tv], [utmp.h], [HAVE_TV_IN_UTMP])
+OSSH_CHECK_HEADER_FOR_FIELD([ut_id], [utmp.h], [HAVE_ID_IN_UTMP])
+OSSH_CHECK_HEADER_FOR_FIELD([ut_id], [utmpx.h], [HAVE_ID_IN_UTMPX])
+OSSH_CHECK_HEADER_FOR_FIELD([ut_addr], [utmp.h], [HAVE_ADDR_IN_UTMP])
+OSSH_CHECK_HEADER_FOR_FIELD([ut_addr], [utmpx.h], [HAVE_ADDR_IN_UTMPX])
+OSSH_CHECK_HEADER_FOR_FIELD([ut_addr_v6], [utmp.h], [HAVE_ADDR_V6_IN_UTMP])
+OSSH_CHECK_HEADER_FOR_FIELD([ut_addr_v6], [utmpx.h], [HAVE_ADDR_V6_IN_UTMPX])
+OSSH_CHECK_HEADER_FOR_FIELD([ut_exit], [utmp.h], [HAVE_EXIT_IN_UTMP])
+OSSH_CHECK_HEADER_FOR_FIELD([ut_time], [utmp.h], [HAVE_TIME_IN_UTMP])
+OSSH_CHECK_HEADER_FOR_FIELD([ut_time], [utmpx.h], [HAVE_TIME_IN_UTMPX])
+OSSH_CHECK_HEADER_FOR_FIELD([ut_tv], [utmpx.h], [HAVE_TV_IN_UTMPX])
+
+AC_CHECK_MEMBERS([struct stat.st_blksize])
+AC_CHECK_MEMBERS([struct stat.st_mtim])
+AC_CHECK_MEMBERS([struct stat.st_mtime])
+AC_CHECK_MEMBERS([struct passwd.pw_gecos, struct passwd.pw_class,
+struct passwd.pw_change, struct passwd.pw_expire],
+[], [], [[
+#include <sys/types.h>
+#include <pwd.h>
+]])
+
+AC_CHECK_MEMBER([struct __res_state.retrans], [], [AC_DEFINE([__res_state], [state],
+ [Define if we don't have struct __res_state in resolv.h])],
+[[
+#include <stdio.h>
+#if HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+]])
+
+AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
+ ac_cv_have_ss_family_in_struct_ss, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/socket.h>
+ ]], [[ struct sockaddr_storage s; s.ss_family = 1; ]])],
+ [ ac_cv_have_ss_family_in_struct_ss="yes" ],
+ [ ac_cv_have_ss_family_in_struct_ss="no" ])
+])
+if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
+ AC_DEFINE([HAVE_SS_FAMILY_IN_SS], [1], [Fields in struct sockaddr_storage])
+fi
+
+AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
+ ac_cv_have___ss_family_in_struct_ss, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/socket.h>
+ ]], [[ struct sockaddr_storage s; s.__ss_family = 1; ]])],
+ [ ac_cv_have___ss_family_in_struct_ss="yes" ],
+ [ ac_cv_have___ss_family_in_struct_ss="no"
+ ])
+])
+if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
+ AC_DEFINE([HAVE___SS_FAMILY_IN_SS], [1],
+ [Fields in struct sockaddr_storage])
+fi
+
+dnl make sure we're using the real structure members and not defines
+AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
+ ac_cv_have_accrights_in_msghdr, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+ ]], [[
+#ifdef msg_accrights
+#error "msg_accrights is a macro"
+exit(1);
+#endif
+struct msghdr m;
+m.msg_accrights = 0;
+exit(0);
+ ]])],
+ [ ac_cv_have_accrights_in_msghdr="yes" ],
+ [ ac_cv_have_accrights_in_msghdr="no" ]
+ )
+])
+if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
+ AC_DEFINE([HAVE_ACCRIGHTS_IN_MSGHDR], [1],
+ [Define if your system uses access rights style
+ file descriptor passing])
+fi
+
+AC_MSG_CHECKING([if struct statvfs.f_fsid is integral type])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/param.h>
+#include <sys/stat.h>
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+#ifdef HAVE_SYS_MOUNT_H
+#include <sys/mount.h>
+#endif
+#ifdef HAVE_SYS_STATVFS_H
+#include <sys/statvfs.h>
+#endif
+ ]], [[ struct statvfs s; s.f_fsid = 0; ]])],
+ [ AC_MSG_RESULT([yes]) ],
+ [ AC_MSG_RESULT([no])
+
+ AC_MSG_CHECKING([if fsid_t has member val])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/statvfs.h>
+ ]], [[ fsid_t t; t.val[0] = 0; ]])],
+ [ AC_MSG_RESULT([yes])
+ AC_DEFINE([FSID_HAS_VAL], [1], [fsid_t has member val]) ],
+ [ AC_MSG_RESULT([no]) ])
+
+ AC_MSG_CHECKING([if f_fsid has member __val])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/statvfs.h>
+ ]], [[ fsid_t t; t.__val[0] = 0; ]])],
+ [ AC_MSG_RESULT([yes])
+ AC_DEFINE([FSID_HAS___VAL], [1], [fsid_t has member __val]) ],
+ [ AC_MSG_RESULT([no]) ])
+])
+
+AC_CACHE_CHECK([for msg_control field in struct msghdr],
+ ac_cv_have_control_in_msghdr, [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+ ]], [[
+#ifdef msg_control
+#error "msg_control is a macro"
+exit(1);
+#endif
+struct msghdr m;
+m.msg_control = 0;
+exit(0);
+ ]])],
+ [ ac_cv_have_control_in_msghdr="yes" ],
+ [ ac_cv_have_control_in_msghdr="no" ]
+ )
+])
+if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
+ AC_DEFINE([HAVE_CONTROL_IN_MSGHDR], [1],
+ [Define if your system uses ancillary data style
+ file descriptor passing])
+fi
+
+AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
+ [[ extern char *__progname; printf("%s", __progname); ]])],
+ [ ac_cv_libc_defines___progname="yes" ],
+ [ ac_cv_libc_defines___progname="no"
+ ])
+])
+if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
+ AC_DEFINE([HAVE___PROGNAME], [1], [Define if libc defines __progname])
+fi
+
+AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include <stdio.h> ]],
+ [[ printf("%s", __FUNCTION__); ]])],
+ [ ac_cv_cc_implements___FUNCTION__="yes" ],
+ [ ac_cv_cc_implements___FUNCTION__="no"
+ ])
+])
+if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
+ AC_DEFINE([HAVE___FUNCTION__], [1],
+ [Define if compiler implements __FUNCTION__])
+fi
+
+AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include <stdio.h> ]],
+ [[ printf("%s", __func__); ]])],
+ [ ac_cv_cc_implements___func__="yes" ],
+ [ ac_cv_cc_implements___func__="no"
+ ])
+])
+if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
+ AC_DEFINE([HAVE___func__], [1], [Define if compiler implements __func__])
+fi
+
+AC_CACHE_CHECK([whether va_copy exists], ac_cv_have_va_copy, [
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <stdarg.h>
+va_list x,y;
+ ]], [[ va_copy(x,y); ]])],
+ [ ac_cv_have_va_copy="yes" ],
+ [ ac_cv_have_va_copy="no"
+ ])
+])
+if test "x$ac_cv_have_va_copy" = "xyes" ; then
+ AC_DEFINE([HAVE_VA_COPY], [1], [Define if va_copy exists])
+fi
+
+AC_CACHE_CHECK([whether __va_copy exists], ac_cv_have___va_copy, [
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <stdarg.h>
+va_list x,y;
+ ]], [[ __va_copy(x,y); ]])],
+ [ ac_cv_have___va_copy="yes" ], [ ac_cv_have___va_copy="no"
+ ])
+])
+if test "x$ac_cv_have___va_copy" = "xyes" ; then
+ AC_DEFINE([HAVE___VA_COPY], [1], [Define if __va_copy exists])
+fi
+
+AC_CACHE_CHECK([whether getopt has optreset support],
+ ac_cv_have_getopt_optreset, [
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include <getopt.h> ]],
+ [[ extern int optreset; optreset = 0; ]])],
+ [ ac_cv_have_getopt_optreset="yes" ],
+ [ ac_cv_have_getopt_optreset="no"
+ ])
+])
+if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
+ AC_DEFINE([HAVE_GETOPT_OPTRESET], [1],
+ [Define if your getopt(3) defines and uses optreset])
+fi
+
+AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
+[[ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);]])],
+ [ ac_cv_libc_defines_sys_errlist="yes" ],
+ [ ac_cv_libc_defines_sys_errlist="no"
+ ])
+])
+if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
+ AC_DEFINE([HAVE_SYS_ERRLIST], [1],
+ [Define if your system defines sys_errlist[]])
+fi
+
+
+AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
+[[ extern int sys_nerr; printf("%i", sys_nerr);]])],
+ [ ac_cv_libc_defines_sys_nerr="yes" ],
+ [ ac_cv_libc_defines_sys_nerr="no"
+ ])
+])
+if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
+ AC_DEFINE([HAVE_SYS_NERR], [1], [Define if your system defines sys_nerr])
+fi
+
+# Check libraries needed by DNS fingerprint support
+AC_SEARCH_LIBS([getrrsetbyname], [resolv],
+ [AC_DEFINE([HAVE_GETRRSETBYNAME], [1],
+ [Define if getrrsetbyname() exists])],
+ [
+ # Needed by our getrrsetbyname()
+ AC_SEARCH_LIBS([res_query], [resolv])
+ AC_SEARCH_LIBS([dn_expand], [resolv])
+ AC_MSG_CHECKING([if res_query will link])
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <netdb.h>
+#include <resolv.h>
+ ]], [[
+ res_query (0, 0, 0, 0, 0);
+ ]])],
+ AC_MSG_RESULT([yes]),
+ [AC_MSG_RESULT([no])
+ saved_LIBS="$LIBS"
+ LIBS="$LIBS -lresolv"
+ AC_MSG_CHECKING([for res_query in -lresolv])
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <netdb.h>
+#include <resolv.h>
+ ]], [[
+ res_query (0, 0, 0, 0, 0);
+ ]])],
+ [AC_MSG_RESULT([yes])],
+ [LIBS="$saved_LIBS"
+ AC_MSG_RESULT([no])])
+ ])
+ AC_CHECK_FUNCS([_getshort _getlong])
+ AC_CHECK_DECLS([_getshort, _getlong], , ,
+ [#include <sys/types.h>
+ #include <arpa/nameser.h>])
+ AC_CHECK_MEMBER([HEADER.ad],
+ [AC_DEFINE([HAVE_HEADER_AD], [1],
+ [Define if HEADER.ad exists in arpa/nameser.h])], ,
+ [#include <arpa/nameser.h>])
+ ])
+
+AC_MSG_CHECKING([if struct __res_state _res is an extern])
+AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <stdio.h>
+#if HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+extern struct __res_state _res;
+ ]], [[
+struct __res_state *volatile p = &_res; /* force resolution of _res */
+return 0;
+ ]],)],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE([HAVE__RES_EXTERN], [1],
+ [Define if you have struct __res_state _res as an extern])
+ ],
+ [ AC_MSG_RESULT([no]) ]
+)
+
+# Check whether user wants SELinux support
+SELINUX_MSG="no"
+LIBSELINUX=""
+AC_ARG_WITH([selinux],
+ [ --with-selinux Enable SELinux support],
+ [ if test "x$withval" != "xno" ; then
+ save_LIBS="$LIBS"
+ AC_DEFINE([WITH_SELINUX], [1],
+ [Define if you want SELinux support.])
+ SELINUX_MSG="yes"
+ AC_CHECK_HEADER([selinux/selinux.h], ,
+ AC_MSG_ERROR([SELinux support requires selinux.h header]))
+ AC_CHECK_LIB([selinux], [setexeccon],
+ [ LIBSELINUX="-lselinux"
+ LIBS="$LIBS -lselinux"
+ ],
+ AC_MSG_ERROR([SELinux support requires libselinux library]))
+ SSHLIBS="$SSHLIBS $LIBSELINUX"
+ SSHDLIBS="$SSHDLIBS $LIBSELINUX"
+ AC_CHECK_FUNCS([getseuserbyname get_default_context_with_level])
+ LIBS="$save_LIBS"
+ fi ]
+)
+AC_SUBST([SSHLIBS])
+AC_SUBST([SSHDLIBS])
+
+# Check whether user wants Kerberos 5 support
+KRB5_MSG="no"
+AC_ARG_WITH([kerberos5],
+ [ --with-kerberos5=PATH Enable Kerberos 5 support],
+ [ if test "x$withval" != "xno" ; then
+ if test "x$withval" = "xyes" ; then
+ KRB5ROOT="/usr/local"
+ else
+ KRB5ROOT=${withval}
+ fi
+
+ AC_DEFINE([KRB5], [1], [Define if you want Kerberos 5 support])
+ KRB5_MSG="yes"
+
+ AC_PATH_TOOL([KRB5CONF], [krb5-config],
+ [$KRB5ROOT/bin/krb5-config],
+ [$KRB5ROOT/bin:$PATH])
+ if test -x $KRB5CONF ; then
+ K5CFLAGS="`$KRB5CONF --cflags`"
+ K5LIBS="`$KRB5CONF --libs`"
+ CPPFLAGS="$CPPFLAGS $K5CFLAGS"
+
+ AC_MSG_CHECKING([for gssapi support])
+ if $KRB5CONF | grep gssapi >/dev/null ; then
+ AC_MSG_RESULT([yes])
+ AC_DEFINE([GSSAPI], [1],
+ [Define this if you want GSSAPI
+ support in the version 2 protocol])
+ GSSCFLAGS="`$KRB5CONF --cflags gssapi`"
+ GSSLIBS="`$KRB5CONF --libs gssapi`"
+ CPPFLAGS="$CPPFLAGS $GSSCFLAGS"
+ else
+ AC_MSG_RESULT([no])
+ fi
+ AC_MSG_CHECKING([whether we are using Heimdal])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <krb5.h>
+ ]], [[ char *tmp = heimdal_version; ]])],
+ [ AC_MSG_RESULT([yes])
+ AC_DEFINE([HEIMDAL], [1],
+ [Define this if you are using the Heimdal
+ version of Kerberos V5]) ],
+ [AC_MSG_RESULT([no])
+ ])
+ else
+ CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
+ LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
+ AC_MSG_CHECKING([whether we are using Heimdal])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <krb5.h>
+ ]], [[ char *tmp = heimdal_version; ]])],
+ [ AC_MSG_RESULT([yes])
+ AC_DEFINE([HEIMDAL])
+ K5LIBS="-lkrb5"
+ K5LIBS="$K5LIBS -lcom_err -lasn1"
+ AC_CHECK_LIB([roken], [net_write],
+ [K5LIBS="$K5LIBS -lroken"])
+ AC_CHECK_LIB([des], [des_cbc_encrypt],
+ [K5LIBS="$K5LIBS -ldes"])
+ ], [ AC_MSG_RESULT([no])
+ K5LIBS="-lkrb5 -lk5crypto -lcom_err"
+ ])
+ AC_SEARCH_LIBS([dn_expand], [resolv])
+
+ AC_CHECK_LIB([gssapi_krb5], [gss_init_sec_context],
+ [ AC_DEFINE([GSSAPI])
+ GSSLIBS="-lgssapi_krb5" ],
+ [ AC_CHECK_LIB([gssapi], [gss_init_sec_context],
+ [ AC_DEFINE([GSSAPI])
+ GSSLIBS="-lgssapi" ],
+ [ AC_CHECK_LIB([gss], [gss_init_sec_context],
+ [ AC_DEFINE([GSSAPI])
+ GSSLIBS="-lgss" ],
+ AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]))
+ ])
+ ])
+
+ AC_CHECK_HEADER([gssapi.h], ,
+ [ unset ac_cv_header_gssapi_h
+ CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
+ AC_CHECK_HEADERS([gssapi.h], ,
+ AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
+ )
+ ]
+ )
+
+ oldCPP="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
+ AC_CHECK_HEADER([gssapi_krb5.h], ,
+ [ CPPFLAGS="$oldCPP" ])
+
+ fi
+ if test ! -z "$need_dash_r" ; then
+ LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
+ fi
+ if test ! -z "$blibpath" ; then
+ blibpath="$blibpath:${KRB5ROOT}/lib"
+ fi
+
+ AC_CHECK_HEADERS([gssapi.h gssapi/gssapi.h])
+ AC_CHECK_HEADERS([gssapi_krb5.h gssapi/gssapi_krb5.h])
+ AC_CHECK_HEADERS([gssapi_generic.h gssapi/gssapi_generic.h])
+
+ AC_SEARCH_LIBS([k_hasafs], [kafs], [AC_DEFINE([USE_AFS], [1],
+ [Define this if you want to use libkafs' AFS support])])
+
+ AC_CHECK_DECLS([GSS_C_NT_HOSTBASED_SERVICE], [], [], [[
+#ifdef HAVE_GSSAPI_H
+# include <gssapi.h>
+#elif defined(HAVE_GSSAPI_GSSAPI_H)
+# include <gssapi/gssapi.h>
+#endif
+
+#ifdef HAVE_GSSAPI_GENERIC_H
+# include <gssapi_generic.h>
+#elif defined(HAVE_GSSAPI_GSSAPI_GENERIC_H)
+# include <gssapi/gssapi_generic.h>
+#endif
+ ]])
+ saved_LIBS="$LIBS"
+ LIBS="$LIBS $K5LIBS"
+ AC_CHECK_FUNCS([krb5_cc_new_unique krb5_get_error_message krb5_free_error_message])
+ LIBS="$saved_LIBS"
+
+ fi
+ ]
+)
+AC_SUBST([GSSLIBS])
+AC_SUBST([K5LIBS])
+
+# Looking for programs, paths and files
+
+PRIVSEP_PATH=/var/empty
+AC_ARG_WITH([privsep-path],
+ [ --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)],
+ [
+ if test -n "$withval" && test "x$withval" != "xno" && \
+ test "x${withval}" != "xyes"; then
+ PRIVSEP_PATH=$withval
+ fi
+ ]
+)
+AC_SUBST([PRIVSEP_PATH])
+
+AC_ARG_WITH([xauth],
+ [ --with-xauth=PATH Specify path to xauth program ],
+ [
+ if test -n "$withval" && test "x$withval" != "xno" && \
+ test "x${withval}" != "xyes"; then
+ xauth_path=$withval
+ fi
+ ],
+ [
+ TestPath="$PATH"
+ TestPath="${TestPath}${PATH_SEPARATOR}/usr/X/bin"
+ TestPath="${TestPath}${PATH_SEPARATOR}/usr/bin/X11"
+ TestPath="${TestPath}${PATH_SEPARATOR}/usr/X11R6/bin"
+ TestPath="${TestPath}${PATH_SEPARATOR}/usr/openwin/bin"
+ AC_PATH_PROG([xauth_path], [xauth], , [$TestPath])
+ if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
+ xauth_path="/usr/openwin/bin/xauth"
+ fi
+ ]
+)
+
+STRIP_OPT=-s
+AC_ARG_ENABLE([strip],
+ [ --disable-strip Disable calling strip(1) on install],
+ [
+ if test "x$enableval" = "xno" ; then
+ STRIP_OPT=
+ fi
+ ]
+)
+AC_SUBST([STRIP_OPT])
+
+if test -z "$xauth_path" ; then
+ XAUTH_PATH="undefined"
+ AC_SUBST([XAUTH_PATH])
+else
+ AC_DEFINE_UNQUOTED([XAUTH_PATH], ["$xauth_path"],
+ [Define if xauth is found in your path])
+ XAUTH_PATH=$xauth_path
+ AC_SUBST([XAUTH_PATH])
+fi
+
+dnl # --with-maildir=/path/to/mail gets top priority.
+dnl # if maildir is set in the platform case statement above we use that.
+dnl # Otherwise we run a program to get the dir from system headers.
+dnl # We first look for _PATH_MAILDIR then MAILDIR then _PATH_MAIL
+dnl # If we find _PATH_MAILDIR we do nothing because that is what
+dnl # session.c expects anyway. Otherwise we set to the value found
+dnl # stripping any trailing slash. If for some strage reason our program
+dnl # does not find what it needs, we default to /var/spool/mail.
+# Check for mail directory
+AC_ARG_WITH([maildir],
+ [ --with-maildir=/path/to/mail Specify your system mail directory],
+ [
+ if test "X$withval" != X && test "x$withval" != xno && \
+ test "x${withval}" != xyes; then
+ AC_DEFINE_UNQUOTED([MAIL_DIRECTORY], ["$withval"],
+ [Set this to your mail directory if you do not have _PATH_MAILDIR])
+ fi
+ ],[
+ if test "X$maildir" != "X"; then
+ AC_DEFINE_UNQUOTED([MAIL_DIRECTORY], ["$maildir"])
+ else
+ AC_MSG_CHECKING([Discovering system mail directory])
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <stdio.h>
+#include <string.h>
+#ifdef HAVE_PATHS_H
+#include <paths.h>
+#endif
+#ifdef HAVE_MAILLOCK_H
+#include <maillock.h>
+#endif
+#define DATA "conftest.maildir"
+ ]], [[
+ FILE *fd;
+ int rc;
+
+ fd = fopen(DATA,"w");
+ if(fd == NULL)
+ exit(1);
+
+#if defined (_PATH_MAILDIR)
+ if ((rc = fprintf(fd ,"_PATH_MAILDIR:%s\n", _PATH_MAILDIR)) <0)
+ exit(1);
+#elif defined (MAILDIR)
+ if ((rc = fprintf(fd ,"MAILDIR:%s\n", MAILDIR)) <0)
+ exit(1);
+#elif defined (_PATH_MAIL)
+ if ((rc = fprintf(fd ,"_PATH_MAIL:%s\n", _PATH_MAIL)) <0)
+ exit(1);
+#else
+ exit (2);
+#endif
+
+ exit(0);
+ ]])],
+ [
+ maildir_what=`awk -F: '{print $1}' conftest.maildir`
+ maildir=`awk -F: '{print $2}' conftest.maildir \
+ | sed 's|/$||'`
+ AC_MSG_RESULT([Using: $maildir from $maildir_what])
+ if test "x$maildir_what" != "x_PATH_MAILDIR"; then
+ AC_DEFINE_UNQUOTED([MAIL_DIRECTORY], ["$maildir"])
+ fi
+ ],
+ [
+ if test "X$ac_status" = "X2";then
+# our test program didn't find it. Default to /var/spool/mail
+ AC_MSG_RESULT([Using: default value of /var/spool/mail])
+ AC_DEFINE_UNQUOTED([MAIL_DIRECTORY], ["/var/spool/mail"])
+ else
+ AC_MSG_RESULT([*** not found ***])
+ fi
+ ],
+ [
+ AC_MSG_WARN([cross compiling: use --with-maildir=/path/to/mail])
+ ]
+ )
+ fi
+ ]
+) # maildir
+
+if test ! -z "$cross_compiling" && test "x$cross_compiling" = "xyes"; then
+ AC_MSG_WARN([cross compiling: Disabling /dev/ptmx test])
+ disable_ptmx_check=yes
+fi
+if test -z "$no_dev_ptmx" ; then
+ if test "x$disable_ptmx_check" != "xyes" ; then
+ AC_CHECK_FILE(["/dev/ptmx"],
+ [
+ AC_DEFINE_UNQUOTED([HAVE_DEV_PTMX], [1],
+ [Define if you have /dev/ptmx])
+ have_dev_ptmx=1
+ ]
+ )
+ fi
+fi
+
+if test ! -z "$cross_compiling" && test "x$cross_compiling" != "xyes"; then
+ AC_CHECK_FILE(["/dev/ptc"],
+ [
+ AC_DEFINE_UNQUOTED([HAVE_DEV_PTS_AND_PTC], [1],
+ [Define if you have /dev/ptc])
+ have_dev_ptc=1
+ ]
+ )
+else
+ AC_MSG_WARN([cross compiling: Disabling /dev/ptc test])
+fi
+
+# Options from here on. Some of these are preset by platform above
+AC_ARG_WITH([mantype],
+ [ --with-mantype=man|cat|doc Set man page type],
+ [
+ case "$withval" in
+ man|cat|doc)
+ MANTYPE=$withval
+ ;;
+ *)
+ AC_MSG_ERROR([invalid man type: $withval])
+ ;;
+ esac
+ ]
+)
+if test -z "$MANTYPE"; then
+ TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb"
+ AC_PATH_PROGS([NROFF], [nroff awf], [/bin/false], [$TestPath])
+ if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
+ MANTYPE=doc
+ elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
+ MANTYPE=man
+ else
+ MANTYPE=cat
+ fi
+fi
+AC_SUBST([MANTYPE])
+if test "$MANTYPE" = "doc"; then
+ mansubdir=man;
+else
+ mansubdir=$MANTYPE;
+fi
+AC_SUBST([mansubdir])
+
+# Check whether to enable MD5 passwords
+MD5_MSG="no"
+AC_ARG_WITH([md5-passwords],
+ [ --with-md5-passwords Enable use of MD5 passwords],
+ [
+ if test "x$withval" != "xno" ; then
+ AC_DEFINE([HAVE_MD5_PASSWORDS], [1],
+ [Define if you want to allow MD5 passwords])
+ MD5_MSG="yes"
+ fi
+ ]
+)
+
+# Whether to disable shadow password support
+AC_ARG_WITH([shadow],
+ [ --without-shadow Disable shadow password support],
+ [
+ if test "x$withval" = "xno" ; then
+ AC_DEFINE([DISABLE_SHADOW])
+ disable_shadow=yes
+ fi
+ ]
+)
+
+if test -z "$disable_shadow" ; then
+ AC_MSG_CHECKING([if the systems has expire shadow information])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <shadow.h>
+struct spwd sp;
+ ]], [[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ]])],
+ [ sp_expire_available=yes ], [
+ ])
+
+ if test "x$sp_expire_available" = "xyes" ; then
+ AC_MSG_RESULT([yes])
+ AC_DEFINE([HAS_SHADOW_EXPIRE], [1],
+ [Define if you want to use shadow password expire field])
+ else
+ AC_MSG_RESULT([no])
+ fi
+fi
+
+# Use ip address instead of hostname in $DISPLAY
+if test ! -z "$IPADDR_IN_DISPLAY" ; then
+ DISPLAY_HACK_MSG="yes"
+ AC_DEFINE([IPADDR_IN_DISPLAY], [1],
+ [Define if you need to use IP address
+ instead of hostname in $DISPLAY])
+else
+ DISPLAY_HACK_MSG="no"
+ AC_ARG_WITH([ipaddr-display],
+ [ --with-ipaddr-display Use ip address instead of hostname in $DISPLAY],
+ [
+ if test "x$withval" != "xno" ; then
+ AC_DEFINE([IPADDR_IN_DISPLAY])
+ DISPLAY_HACK_MSG="yes"
+ fi
+ ]
+ )
+fi
+
+# check for /etc/default/login and use it if present.
+AC_ARG_ENABLE([etc-default-login],
+ [ --disable-etc-default-login Disable using PATH from /etc/default/login [no]],
+ [ if test "x$enableval" = "xno"; then
+ AC_MSG_NOTICE([/etc/default/login handling disabled])
+ etc_default_login=no
+ else
+ etc_default_login=yes
+ fi ],
+ [ if test ! -z "$cross_compiling" && test "x$cross_compiling" = "xyes";
+ then
+ AC_MSG_WARN([cross compiling: not checking /etc/default/login])
+ etc_default_login=no
+ else
+ etc_default_login=yes
+ fi ]
+)
+
+if test "x$etc_default_login" != "xno"; then
+ AC_CHECK_FILE(["/etc/default/login"],
+ [ external_path_file=/etc/default/login ])
+ if test "x$external_path_file" = "x/etc/default/login"; then
+ AC_DEFINE([HAVE_ETC_DEFAULT_LOGIN], [1],
+ [Define if your system has /etc/default/login])
+ fi
+fi
+
+dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
+if test $ac_cv_func_login_getcapbool = "yes" && \
+ test $ac_cv_header_login_cap_h = "yes" ; then
+ external_path_file=/etc/login.conf
+fi
+
+# Whether to mess with the default path
+SERVER_PATH_MSG="(default)"
+AC_ARG_WITH([default-path],
+ [ --with-default-path= Specify default $PATH environment for server],
+ [
+ if test "x$external_path_file" = "x/etc/login.conf" ; then
+ AC_MSG_WARN([
+--with-default-path=PATH has no effect on this system.
+Edit /etc/login.conf instead.])
+ elif test "x$withval" != "xno" ; then
+ if test ! -z "$external_path_file" ; then
+ AC_MSG_WARN([
+--with-default-path=PATH will only be used if PATH is not defined in
+$external_path_file .])
+ fi
+ user_path="$withval"
+ SERVER_PATH_MSG="$withval"
+ fi
+ ],
+ [ if test "x$external_path_file" = "x/etc/login.conf" ; then
+ AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
+ else
+ if test ! -z "$external_path_file" ; then
+ AC_MSG_WARN([
+If PATH is defined in $external_path_file, ensure the path to scp is included,
+otherwise scp will not work.])
+ fi
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+/* find out what STDPATH is */
+#include <stdio.h>
+#ifdef HAVE_PATHS_H
+# include <paths.h>
+#endif
+#ifndef _PATH_STDPATH
+# ifdef _PATH_USERPATH /* Irix */
+# define _PATH_STDPATH _PATH_USERPATH
+# else
+# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
+# endif
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#define DATA "conftest.stdpath"
+ ]], [[
+ FILE *fd;
+ int rc;
+
+ fd = fopen(DATA,"w");
+ if(fd == NULL)
+ exit(1);
+
+ if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
+ exit(1);
+
+ exit(0);
+ ]])],
+ [ user_path=`cat conftest.stdpath` ],
+ [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
+ [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
+ )
+# make sure $bindir is in USER_PATH so scp will work
+ t_bindir="${bindir}"
+ while echo "${t_bindir}" | egrep '\$\{|NONE/' >/dev/null 2>&1; do
+ t_bindir=`eval echo ${t_bindir}`
+ case $t_bindir in
+ NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
+ esac
+ case $t_bindir in
+ NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
+ esac
+ done
+ echo $user_path | grep ":$t_bindir" > /dev/null 2>&1
+ if test $? -ne 0 ; then
+ echo $user_path | grep "^$t_bindir" > /dev/null 2>&1
+ if test $? -ne 0 ; then
+ user_path=$user_path:$t_bindir
+ AC_MSG_RESULT([Adding $t_bindir to USER_PATH so scp will work])
+ fi
+ fi
+ fi ]
+)
+if test "x$external_path_file" != "x/etc/login.conf" ; then
+ AC_DEFINE_UNQUOTED([USER_PATH], ["$user_path"], [Specify default $PATH])
+ AC_SUBST([user_path])
+fi
+
+# Set superuser path separately to user path
+AC_ARG_WITH([superuser-path],
+ [ --with-superuser-path= Specify different path for super-user],
+ [
+ if test -n "$withval" && test "x$withval" != "xno" && \
+ test "x${withval}" != "xyes"; then
+ AC_DEFINE_UNQUOTED([SUPERUSER_PATH], ["$withval"],
+ [Define if you want a different $PATH
+ for the superuser])
+ superuser_path=$withval
+ fi
+ ]
+)
+
+
+AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
+IPV4_IN6_HACK_MSG="no"
+AC_ARG_WITH(4in6,
+ [ --with-4in6 Check for and convert IPv4 in IPv6 mapped addresses],
+ [
+ if test "x$withval" != "xno" ; then
+ AC_MSG_RESULT([yes])
+ AC_DEFINE([IPV4_IN_IPV6], [1],
+ [Detect IPv4 in IPv6 mapped addresses
+ and treat as IPv4])
+ IPV4_IN6_HACK_MSG="yes"
+ else
+ AC_MSG_RESULT([no])
+ fi
+ ], [
+ if test "x$inet6_default_4in6" = "xyes"; then
+ AC_MSG_RESULT([yes (default)])
+ AC_DEFINE([IPV4_IN_IPV6])
+ IPV4_IN6_HACK_MSG="yes"
+ else
+ AC_MSG_RESULT([no (default)])
+ fi
+ ]
+)
+
+# Whether to enable BSD auth support
+BSD_AUTH_MSG=no
+AC_ARG_WITH([bsd-auth],
+ [ --with-bsd-auth Enable BSD auth support],
+ [
+ if test "x$withval" != "xno" ; then
+ AC_DEFINE([BSD_AUTH], [1],
+ [Define if you have BSD auth support])
+ BSD_AUTH_MSG=yes
+ fi
+ ]
+)
+
+# Where to place sshd.pid
+piddir=/var/run
+# make sure the directory exists
+if test ! -d $piddir ; then
+ piddir=`eval echo ${sysconfdir}`
+ case $piddir in
+ NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
+ esac
+fi
+
+AC_ARG_WITH([pid-dir],
+ [ --with-pid-dir=PATH Specify location of sshd.pid file],
+ [
+ if test -n "$withval" && test "x$withval" != "xno" && \
+ test "x${withval}" != "xyes"; then
+ piddir=$withval
+ if test ! -d $piddir ; then
+ AC_MSG_WARN([** no $piddir directory on this system **])
+ fi
+ fi
+ ]
+)
+
+AC_DEFINE_UNQUOTED([_PATH_SSH_PIDDIR], ["$piddir"],
+ [Specify location of ssh.pid])
+AC_SUBST([piddir])
+
+dnl allow user to disable some login recording features
+AC_ARG_ENABLE([lastlog],
+ [ --disable-lastlog disable use of lastlog even if detected [no]],
+ [
+ if test "x$enableval" = "xno" ; then
+ AC_DEFINE([DISABLE_LASTLOG])
+ fi
+ ]
+)
+AC_ARG_ENABLE([utmp],
+ [ --disable-utmp disable use of utmp even if detected [no]],
+ [
+ if test "x$enableval" = "xno" ; then
+ AC_DEFINE([DISABLE_UTMP])
+ fi
+ ]
+)
+AC_ARG_ENABLE([utmpx],
+ [ --disable-utmpx disable use of utmpx even if detected [no]],
+ [
+ if test "x$enableval" = "xno" ; then
+ AC_DEFINE([DISABLE_UTMPX], [1],
+ [Define if you don't want to use utmpx])
+ fi
+ ]
+)
+AC_ARG_ENABLE([wtmp],
+ [ --disable-wtmp disable use of wtmp even if detected [no]],
+ [
+ if test "x$enableval" = "xno" ; then
+ AC_DEFINE([DISABLE_WTMP])
+ fi
+ ]
+)
+AC_ARG_ENABLE([wtmpx],
+ [ --disable-wtmpx disable use of wtmpx even if detected [no]],
+ [
+ if test "x$enableval" = "xno" ; then
+ AC_DEFINE([DISABLE_WTMPX], [1],
+ [Define if you don't want to use wtmpx])
+ fi
+ ]
+)
+AC_ARG_ENABLE([libutil],
+ [ --disable-libutil disable use of libutil (login() etc.) [no]],
+ [
+ if test "x$enableval" = "xno" ; then
+ AC_DEFINE([DISABLE_LOGIN])
+ fi
+ ]
+)
+AC_ARG_ENABLE([pututline],
+ [ --disable-pututline disable use of pututline() etc. ([uw]tmp) [no]],
+ [
+ if test "x$enableval" = "xno" ; then
+ AC_DEFINE([DISABLE_PUTUTLINE], [1],
+ [Define if you don't want to use pututline()
+ etc. to write [uw]tmp])
+ fi
+ ]
+)
+AC_ARG_ENABLE([pututxline],
+ [ --disable-pututxline disable use of pututxline() etc. ([uw]tmpx) [no]],
+ [
+ if test "x$enableval" = "xno" ; then
+ AC_DEFINE([DISABLE_PUTUTXLINE], [1],
+ [Define if you don't want to use pututxline()
+ etc. to write [uw]tmpx])
+ fi
+ ]
+)
+AC_ARG_WITH([lastlog],
+ [ --with-lastlog=FILE|DIR specify lastlog location [common locations]],
+ [
+ if test "x$withval" = "xno" ; then
+ AC_DEFINE([DISABLE_LASTLOG])
+ elif test -n "$withval" && test "x${withval}" != "xyes"; then
+ conf_lastlog_location=$withval
+ fi
+ ]
+)
+
+dnl lastlog, [uw]tmpx? detection
+dnl NOTE: set the paths in the platform section to avoid the
+dnl need for command-line parameters
+dnl lastlog and [uw]tmp are subject to a file search if all else fails
+
+dnl lastlog detection
+dnl NOTE: the code itself will detect if lastlog is a directory
+AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <utmp.h>
+#ifdef HAVE_LASTLOG_H
+# include <lastlog.h>
+#endif
+#ifdef HAVE_PATHS_H
+# include <paths.h>
+#endif
+#ifdef HAVE_LOGIN_H
+# include <login.h>
+#endif
+ ]], [[ char *lastlog = LASTLOG_FILE; ]])],
+ [ AC_MSG_RESULT([yes]) ],
+ [
+ AC_MSG_RESULT([no])
+ AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <utmp.h>
+#ifdef HAVE_LASTLOG_H
+# include <lastlog.h>
+#endif
+#ifdef HAVE_PATHS_H
+# include <paths.h>
+#endif
+ ]], [[ char *lastlog = _PATH_LASTLOG; ]])],
+ [ AC_MSG_RESULT([yes]) ],
+ [
+ AC_MSG_RESULT([no])
+ system_lastlog_path=no
+ ])
+])
+
+if test -z "$conf_lastlog_location"; then
+ if test x"$system_lastlog_path" = x"no" ; then
+ for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
+ if (test -d "$f" || test -f "$f") ; then
+ conf_lastlog_location=$f
+ fi
+ done
+ if test -z "$conf_lastlog_location"; then
+ AC_MSG_WARN([** Cannot find lastlog **])
+ dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
+ fi
+ fi
+fi
+
+if test -n "$conf_lastlog_location"; then
+ AC_DEFINE_UNQUOTED([CONF_LASTLOG_FILE], ["$conf_lastlog_location"],
+ [Define if you want to specify the path to your lastlog file])
+fi
+
+dnl utmp detection
+AC_MSG_CHECKING([if your system defines UTMP_FILE])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <utmp.h>
+#ifdef HAVE_PATHS_H
+# include <paths.h>
+#endif
+ ]], [[ char *utmp = UTMP_FILE; ]])],
+ [ AC_MSG_RESULT([yes]) ],
+ [ AC_MSG_RESULT([no])
+ system_utmp_path=no
+])
+if test -z "$conf_utmp_location"; then
+ if test x"$system_utmp_path" = x"no" ; then
+ for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
+ if test -f $f ; then
+ conf_utmp_location=$f
+ fi
+ done
+ if test -z "$conf_utmp_location"; then
+ AC_DEFINE([DISABLE_UTMP])
+ fi
+ fi
+fi
+if test -n "$conf_utmp_location"; then
+ AC_DEFINE_UNQUOTED([CONF_UTMP_FILE], ["$conf_utmp_location"],
+ [Define if you want to specify the path to your utmp file])
+fi
+
+dnl wtmp detection
+AC_MSG_CHECKING([if your system defines WTMP_FILE])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <utmp.h>
+#ifdef HAVE_PATHS_H
+# include <paths.h>
+#endif
+ ]], [[ char *wtmp = WTMP_FILE; ]])],
+ [ AC_MSG_RESULT([yes]) ],
+ [ AC_MSG_RESULT([no])
+ system_wtmp_path=no
+])
+if test -z "$conf_wtmp_location"; then
+ if test x"$system_wtmp_path" = x"no" ; then
+ for f in /usr/adm/wtmp /var/log/wtmp; do
+ if test -f $f ; then
+ conf_wtmp_location=$f
+ fi
+ done
+ if test -z "$conf_wtmp_location"; then
+ AC_DEFINE([DISABLE_WTMP])
+ fi
+ fi
+fi
+if test -n "$conf_wtmp_location"; then
+ AC_DEFINE_UNQUOTED([CONF_WTMP_FILE], ["$conf_wtmp_location"],
+ [Define if you want to specify the path to your wtmp file])
+fi
+
+dnl wtmpx detection
+AC_MSG_CHECKING([if your system defines WTMPX_FILE])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <utmp.h>
+#ifdef HAVE_UTMPX_H
+#include <utmpx.h>
+#endif
+#ifdef HAVE_PATHS_H
+# include <paths.h>
+#endif
+ ]], [[ char *wtmpx = WTMPX_FILE; ]])],
+ [ AC_MSG_RESULT([yes]) ],
+ [ AC_MSG_RESULT([no])
+ system_wtmpx_path=no
+])
+if test -z "$conf_wtmpx_location"; then
+ if test x"$system_wtmpx_path" = x"no" ; then
+ AC_DEFINE([DISABLE_WTMPX])
+ fi
+else
+ AC_DEFINE_UNQUOTED([CONF_WTMPX_FILE], ["$conf_wtmpx_location"],
+ [Define if you want to specify the path to your wtmpx file])
+fi
+
+
+if test ! -z "$blibpath" ; then
+ LDFLAGS="$LDFLAGS $blibflags$blibpath"
+ AC_MSG_WARN([Please check and edit blibpath in LDFLAGS in Makefile])
+fi
+
+AC_CHECK_MEMBER([struct lastlog.ll_line], [], [
+ if test x$SKIP_DISABLE_LASTLOG_DEFINE != "xyes" ; then
+ AC_DEFINE([DISABLE_LASTLOG])
+ fi
+ ], [
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_UTMP_H
+#include <utmp.h>
+#endif
+#ifdef HAVE_UTMPX_H
+#include <utmpx.h>
+#endif
+#ifdef HAVE_LASTLOG_H
+#include <lastlog.h>
+#endif
+ ])
+
+AC_CHECK_MEMBER([struct utmp.ut_line], [], [
+ AC_DEFINE([DISABLE_UTMP])
+ AC_DEFINE([DISABLE_WTMP])
+ ], [
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_UTMP_H
+#include <utmp.h>
+#endif
+#ifdef HAVE_UTMPX_H
+#include <utmpx.h>
+#endif
+#ifdef HAVE_LASTLOG_H
+#include <lastlog.h>
+#endif
+ ])
+
+dnl Adding -Werror to CFLAGS early prevents configure tests from running.
+dnl Add now.
+CFLAGS="$CFLAGS $werror_flags"
+
+if test "x$ac_cv_func_getaddrinfo" != "xyes" ; then
+ TEST_SSH_IPV6=no
+else
+ TEST_SSH_IPV6=yes
+fi
+AC_CHECK_DECL([BROKEN_GETADDRINFO], [TEST_SSH_IPV6=no])
+AC_SUBST([TEST_SSH_IPV6], [$TEST_SSH_IPV6])
+AC_SUBST([TEST_SSH_UTF8], [$TEST_SSH_UTF8])
+AC_SUBST([TEST_MALLOC_OPTIONS], [$TEST_MALLOC_OPTIONS])
+AC_SUBST([UNSUPPORTED_ALGORITHMS], [$unsupported_algorithms])
+AC_SUBST([DEPEND], [$(cat $srcdir/.depend)])
+
+CFLAGS="${CFLAGS} ${CFLAGS_AFTER}"
+LDFLAGS="${LDFLAGS} ${LDFLAGS_AFTER}"
+
+AC_EXEEXT
+AC_CONFIG_FILES([Makefile buildpkg.sh opensshd.init openssh.xml \
+ openbsd-compat/Makefile openbsd-compat/regress/Makefile \
+ survey.sh])
+AC_OUTPUT
+
+# Print summary of options
+
+# Someone please show me a better way :)
+A=`eval echo ${prefix}` ; A=`eval echo ${A}`
+B=`eval echo ${bindir}` ; B=`eval echo ${B}`
+C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
+D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
+E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
+F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
+G=`eval echo ${piddir}` ; G=`eval echo ${G}`
+H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
+I=`eval echo ${user_path}` ; I=`eval echo ${I}`
+J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
+
+echo ""
+echo "OpenSSH has been configured with the following options:"
+echo " User binaries: $B"
+echo " System binaries: $C"
+echo " Configuration files: $D"
+echo " Askpass program: $E"
+echo " Manual pages: $F"
+echo " PID file: $G"
+echo " Privilege separation chroot path: $H"
+if test "x$external_path_file" = "x/etc/login.conf" ; then
+echo " At runtime, sshd will use the path defined in $external_path_file"
+echo " Make sure the path to scp is present, otherwise scp will not work"
+else
+echo " sshd default user PATH: $I"
+ if test ! -z "$external_path_file"; then
+echo " (If PATH is set in $external_path_file it will be used instead. If"
+echo " used, ensure the path to scp is present, otherwise scp will not work.)"
+ fi
+fi
+if test ! -z "$superuser_path" ; then
+echo " sshd superuser user PATH: $J"
+fi
+echo " Manpage format: $MANTYPE"
+echo " PAM support: $PAM_MSG"
+echo " OSF SIA support: $SIA_MSG"
+echo " KerberosV support: $KRB5_MSG"
+echo " SELinux support: $SELINUX_MSG"
+echo " MD5 password support: $MD5_MSG"
+echo " libedit support: $LIBEDIT_MSG"
+echo " libldns support: $LDNS_MSG"
+echo " Solaris process contract support: $SPC_MSG"
+echo " Solaris project support: $SP_MSG"
+echo " Solaris privilege support: $SPP_MSG"
+echo " IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
+echo " Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
+echo " BSD Auth support: $BSD_AUTH_MSG"
+echo " Random number source: $RAND_MSG"
+echo " Privsep sandbox style: $SANDBOX_STYLE"
+
+echo ""
+
+echo " Host: ${host}"
+echo " Compiler: ${CC}"
+echo " Compiler flags: ${CFLAGS}"
+echo "Preprocessor flags: ${CPPFLAGS}"
+echo " Linker flags: ${LDFLAGS}"
+echo " Libraries: ${LIBS}"
+if test ! -z "${SSHDLIBS}"; then
+echo " +for sshd: ${SSHDLIBS}"
+fi
+if test ! -z "${SSHLIBS}"; then
+echo " +for ssh: ${SSHLIBS}"
+fi
+
+echo ""
+
+if test "x$MAKE_PACKAGE_SUPPORTED" = "xyes" ; then
+ echo "SVR4 style packages are supported with \"make package\""
+ echo ""
+fi
+
+if test "x$PAM_MSG" = "xyes" ; then
+ echo "PAM is enabled. You may need to install a PAM control file "
+ echo "for sshd, otherwise password authentication may fail. "
+ echo "Example PAM control files can be found in the contrib/ "
+ echo "subdirectory"
+ echo ""
+fi
+
+if test ! -z "$NO_PEERCHECK" ; then
+ echo "WARNING: the operating system that you are using does not"
+ echo "appear to support getpeereid(), getpeerucred() or the"
+ echo "SO_PEERCRED getsockopt() option. These facilities are used to"
+ echo "enforce security checks to prevent unauthorised connections to"
+ echo "ssh-agent. Their absence increases the risk that a malicious"
+ echo "user can connect to your agent."
+ echo ""
+fi
+
+if test "$AUDIT_MODULE" = "bsm" ; then
+ echo "WARNING: BSM audit support is currently considered EXPERIMENTAL."
+ echo "See the Solaris section in README.platform for details."
+fi