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# $Id: configure.ac,v 1.397 2008/03/27 01:33:07 djm Exp $
#
# 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_PREREQ([2.68])
AC_INIT(OpenSSH, Portable, openssh-unix-dev@mindrot.org)
AC_REVISION($Revision: 1.397 $)
AC_CONFIG_SRCDIR([pam_ssh_agent_auth.c])
AC_USE_SYSTEM_EXTENSIONS
AC_CONFIG_SRCDIR([config.h.in])
AC_CONFIG_HEADERS([config.h])
AC_PROG_CC
AC_C_INLINE
AC_CANONICAL_HOST
AC_C_BIGENDIAN
# Checks for programs.
AC_PROG_AWK
AC_PROG_CPP
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_PROG_EGREP
AC_PATH_PROG(AR, ar)
AC_PATH_PROG(CAT, cat)
AC_PATH_PROG(KILL, kill)
AC_PATH_PROGS(PERL, perl5 perl)
AC_PATH_PROG(SED, sed)
AC_SUBST(PERL)
AC_PATH_PROG(ENT, ent)
AC_SUBST(ENT)
AC_PATH_PROG(TEST_MINUS_S_SH, bash)
AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
AC_PATH_PROG(TEST_MINUS_S_SH, sh)
AC_PATH_PROG(SH, sh)
AC_SUBST(TEST_SHELL,sh)
dnl for buildpkg.sh
AC_PATH_PROG(PATH_GROUPADD_PROG, groupadd, groupadd,
[/usr/sbin${PATH_SEPARATOR}/etc])
AC_PATH_PROG(PATH_USERADD_PROG, useradd, useradd,
[/usr/sbin${PATH_SEPARATOR}/etc])
AC_CHECK_PROG(MAKE_PACKAGE_SUPPORTED, pkgmk, yes, no)
if test -x /sbin/sh; then
AC_SUBST(STARTUP_SCRIPT_SHELL,/sbin/sh)
else
AC_SUBST(STARTUP_SCRIPT_SHELL,/bin/sh)
fi
# Check functions
AC_FUNC_CHOWN
AC_FUNC_CLOSEDIR_VOID
AC_FUNC_FORK
AC_PROG_GCC_TRADITIONAL
AC_FUNC_LSTAT
AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
AC_FUNC_MALLOC
AC_FUNC_MEMCMP
AC_FUNC_MMAP
AC_FUNC_REALLOC
AC_FUNC_SELECT_ARGTYPES
AC_TYPE_SIGNAL
AC_FUNC_STAT
AC_FUNC_STRNLEN
AC_FUNC_UTIME_NULL
AC_CHECK_FUNCS([dup2 endgrent ftruncate getcwd gethostbyaddr gethostbyname getpass getspnam gettimeofday inet_ntoa isascii memmove memset mkdir realpath rmdir select setenv socket strcasecmp strchr strdup strerror strncasecmp strpbrk strrchr strspn strstr strtol strtoul uname utime strnlen gethostname])
AC_CHECK_FUNCS(openpty,,
AC_CHECK_LIB(util,openpty,
[AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"],
AC_CHECK_LIB(bsd,openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lbsd"])
)
)
AC_CHECK_FUNCS(forkpty,,
AC_CHECK_LIB(util,forkpty,
[AC_DEFINE(HAVE_FORKPTY) LIBS="$LIBS -lutil"],
AC_CHECK_LIB(bsd,forkpty, [AC_DEFINE(HAVE_FORKPTY) LIBS="$LIBS -lbsd"])
)
)
# System features
AC_SYS_LARGEFILE
if test -z "$AR" ; then
AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
fi
# Use LOGIN_PROGRAM from environment if possible
if test ! -z "$LOGIN_PROGRAM" ; then
AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM",
[If your header files don't define LOGIN_PROGRAM,
then use this (detected) from environment and PATH])
else
# Search for login
AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
fi
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
if test -z "$LD" ; then
LD=$CC
fi
AC_SUBST(LD)
AC_CHECK_DECL(LLONG_MAX, have_llong_max=1, , [#include <limits.h>])
enable_sudo_hack=1
AC_ARG_ENABLE(sudo-hack,
[ --disable-sudo-hack Disable using SUDO_USER from the environment
when PAM_SERVICE is sudo and PAM_RUSER is null ], [
if test "x$withval" = "xno"; then
enable_sudo_hack=0
fi ])
if test "$enable_sudo_hack" -eq "1"; then
AC_DEFINE(ENABLE_SUDO_HACK, 1, [enable sudo hack])
fi
use_stack_protector=1
AC_ARG_WITH(stackprotect,
[ --without-stackprotect Don't use compiler's stack protection], [
if test "x$withval" = "xno"; then
use_stack_protector=0
fi ])
if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
CFLAGS="$CFLAGS -fPIC -Wall -Wpointer-arith -Wuninitialized"
GCC_VER=`$CC -v 2>&1 | $AWK '/gcc version /{print $3}'`
case $GCC_VER in
1.*) no_attrib_nonnull=1 ;;
2.8* | 2.9*)
CFLAGS="$CFLAGS -Wsign-compare"
no_attrib_nonnull=1
;;
2.*) no_attrib_nonnull=1 ;;
3.*) CFLAGS="$CFLAGS -Wsign-compare" ;;
4.*) CFLAGS="$CFLAGS -Wsign-compare -Wall -Wextra" ;;
*) ;;
esac
# -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 give platform gcc will emit a warning so we use -Werror.
if test "x$use_stack_protector" = "x1"; then
for t in -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 $t -Werror"
AC_LINK_IFELSE(
[AC_LANG_SOURCE([
#include <stdlib.h>
int main(void){return 0;}
])],
[ AC_MSG_RESULT(yes)
CFLAGS="$saved_CFLAGS $t"
LDFLAGS="$saved_LDFLAGS $t"
AC_MSG_CHECKING(if $t works)
AC_RUN_IFELSE(
[AC_LANG_SOURCE([
#include <stdlib.h>
int main(void){exit(0);}
])],
[ AC_MSG_RESULT(yes)
break ],
[ AC_MSG_RESULT(no) ],
[ AC_MSG_WARN([cross compiling: cannot test])
break ]
)
],
[ AC_MSG_RESULT(no) ]
)
CFLAGS="$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="$saved_CFLAGS"],
[#include <limits.h>]
)
fi
fi
if test "x$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 $withval"
fi
]
)
AC_ARG_WITH(cppflags,
[ --with-cppflags Specify additional flags to pass to preprocessor] ,
[
if test -n "$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 $withval"
fi
]
)
AC_ARG_WITH(libs,
[ --with-libs Specify additional libraries to link with],
[
if test -n "$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( \
bstring.h \
crypt.h \
crypto/sha2.h \
dirent.h \
endian.h \
features.h \
fcntl.h \
floatingpoint.h \
getopt.h \
glob.h \
ia.h \
iaf.h \
limits.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/audit.h \
sys/bitypes.h \
sys/bsdtty.h \
sys/cdefs.h \
sys/dir.h \
sys/mman.h \
sys/ndir.h \
sys/poll.h \
sys/prctl.h \
sys/pstat.h \
sys/select.h \
sys/stat.h \
sys/stream.h \
sys/stropts.h \
sys/strtio.h \
sys/sysmacros.h \
sys/time.h \
sys/timers.h \
sys/un.h \
time.h \
tmpdir.h \
ttyent.h \
ucred.h \
unistd.h \
usersec.h \
util.h \
utime.h \
utmp.h \
utmpx.h \
vis.h \
time.h \
unistd.h \
)
AC_CHECK_FUNC(strnvis, found_strnvis=yes, found_strnvis=no)
AS_VAR_IF([found_strnvis],[yes],
[AC_MSG_CHECKING([if strnvis argument order is what we expect])
AC_EGREP_HEADER([strnvis[[:space:]]*\([[:space:]]*char[[:space:]]*\*[[:space:]]*,[[:space:]]*const[[:space:]]+char[[:space:]]*\*,[[:space:]]*size_t[[:space:]]*,[[:space:]]*int[[:space:]]*\)],[vis.h],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_DEFINE([BROKEN_STRNVIS],[],[Define to 1 if you have the strnvis function that does accept arguments like pamsshagentauth_strnvis])])])
# 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>
])
LDFLAGS_SHARED="-shared"
# Messages for features tested for in target-specific section
SIA_MSG="no"
SPC_MSG="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 argments, but these are
# not fatal.
AC_MSG_CHECKING(if compiler allows macro redefinitions)
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE([[
#define testmacro foo
#define testmacro bar
int main(void) { exit(0); }
]])],
[ AC_MSG_RESULT(yes) ],
[ AC_MSG_RESULT(no)
CC="`echo $CC | sed 's/-qlanglvl\=ansi//g'`"
LD="`echo $LD | 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_TRY_LINK([], [], [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="$LIBS -ls"
])
])
dnl Check for various auth function declarations in headers.
AC_CHECK_DECLS([authenticate, loginrestrictions, loginsuccess,
passwdexpired, setauthdb], , , [#include <usersec.h>])
dnl Check if loginfailed is declared and takes 4 arguments (AIX >= 5.2)
AC_CHECK_DECLS(loginfailed,
[AC_MSG_CHECKING(if loginfailed takes 4 arguments)
AC_TRY_COMPILE(
[#include <usersec.h>],
[(void)loginfailed("user","host","tty",0);],
[AC_MSG_RESULT(yes)
AC_DEFINE(AIX_LOGINFAILED_4ARG, 1,
[Define if your AIX loginfailed() function
takes 4 arguments (AIX >= 5.2)])],
[AC_MSG_RESULT(no)]
)],
[],
[#include <usersec.h>]
)
AC_CHECK_FUNCS(getgrset setauthdb)
AC_CHECK_DECL(F_CLOSEM,
AC_DEFINE(HAVE_FCNTL_CLOSEM, 1, [Use F_CLOSEM fcntl for closefrom]),
[],
[ #include <limits.h>
#include <fcntl.h> ]
)
check_for_aix_broken_getaddrinfo=1
AC_DEFINE(BROKEN_REALPATH, 1, [Define if you have a broken realpath.])
AC_DEFINE(SETEUID_BREAKS_SETUID, 1,
[Define if your platform breaks doing a seteuid before a setuid])
AC_DEFINE(BROKEN_SETREUID, 1, [Define if your setreuid() is broken])
AC_DEFINE(BROKEN_SETREGID, 1, [Define if your setregid() is broken])
dnl AIX handles lastlog as part of its login message
AC_DEFINE(DISABLE_LASTLOG, 1, [Define if you don't want to use lastlog])
AC_DEFINE(LOGIN_NEEDS_UTMPX, 1,
[Some systems need a utmpx entry for /bin/login to work])
AC_DEFINE(SPT_TYPE,SPT_REUSEARGV,
[Define to a Set Process Title type if your system is
supported by bsd-setproctitle.c])
AC_DEFINE(SSHPAM_CHAUTHTOK_NEEDS_RUID, 1,
[AIX 5.2 and 5.3 (and presumably newer) require this])
AC_DEFINE(PTY_ZEROREAD, 1, [read(1) can return 0 for a non-closed fd])
;;
*-*-cygwin*)
check_for_libcrypt_later=1
LIBS="$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(DISABLE_SHADOW, 1,
[Define if you want to disable shadow passwords])
AC_DEFINE(IP_TOS_IS_BROKEN, 1,
[Define if your system choked on IP TOS setting])
AC_DEFINE(NO_X11_UNIX_SOCKETS, 1,
[Define if X11 doesn't support AF_UNIX sockets on that system])
AC_DEFINE(NO_IPPORT_RESERVED_CONCEPT, 1,
[Define if the concept of ports only accessible to
superusers isn't known])
AC_DEFINE(DISABLE_FD_PASSING, 1,
[Define if your platform needs to skip post auth
file descriptor passing])
;;
*-*-dgux*)
AC_DEFINE(IP_TOS_IS_BROKEN)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
;;
*-*-darwin*)
AC_DEFINE(HAVE_BUNDLE, 1, [Define if your system uses bundles instead of ELF shared objects])
AC_MSG_CHECKING(if we have working getaddrinfo)
AC_TRY_RUN([#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>]
)
LDFLAGS_SHARED="-bundle -fno-common -undefined error"
CFLAGS="$CFLAGS -fno-common"
;;
*-*-dragonfly*)
LIBS="$LIBS -lcrypt"
;;
*-*-hpux*)
# first we define all of the options common to all HP-UX releases
CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
IPADDR_IN_DISPLAY=yes
AC_DEFINE(USE_PIPES)
AC_DEFINE(LOGIN_NO_ENDOPT, 1,
[Define if your login program cannot handle end of options ("--")])
AC_DEFINE(LOGIN_NEEDS_UTMPX)
AC_DEFINE(LOCKED_PASSWD_STRING, "*",
[String used in /etc/passwd to denote locked account])
AC_DEFINE(SPT_TYPE,SPT_PSTAT)
MAIL="/var/mail/username"
LIBS="$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="$PATH:/usr/etc"
AC_DEFINE(WITH_IRIX_ARRAY, 1,
[Define if you have/want arrays
(cluster-wide session managment, not C arrays)])
AC_DEFINE(WITH_IRIX_PROJECT, 1,
[Define if you want IRIX project management])
AC_DEFINE(WITH_IRIX_AUDIT, 1,
[Define if you want IRIX audit trails])
AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS, 1,
[Define if you want IRIX kernel jobs])])
AC_DEFINE(BROKEN_INET_NTOA)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
AC_DEFINE(BROKEN_UPDWTMPX, 1, [updwtmpx is broken (if present)])
AC_DEFINE(WITH_ABBREV_NO_TTY)
AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
;;
*-*-linux*)
no_dev_ptmx=1
check_for_libcrypt_later=1
check_for_openpty_ctty_bug=1
AC_DEFINE(DONT_TRY_OTHER_AF, 1, [Workaround more Linux IPv6 quirks])
AC_DEFINE(PAM_TTY_KLUDGE, 1,
[Work around problematic Linux PAM modules handling of PAM_TTY])
AC_DEFINE(LOCKED_PASSWD_PREFIX, "!",
[String used in /etc/passwd to denote locked account])
AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)
AC_DEFINE(LINK_OPNOTSUPP_ERRNO, EPERM,
[Define to whatever link() returns for "not supported"
if it doesn't return EOPNOTSUPP.])
AC_DEFINE(_PATH_BTMP, "/var/log/btmp", [log for bad login attempts])
AC_DEFINE(USE_BTMP)
inet6_default_4in6=yes
case `uname -r` in
1.*|2.0.*)
AC_DEFINE(BROKEN_CMSG_TYPE, 1,
[Define if cmsg_type is not passed correctly])
;;
esac
# tun(4) forwarding compat code
AC_CHECK_HEADERS(linux/if_tun.h)
if test "x$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
;;
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$withval" != "xno" ; then
need_dash_r=1
fi
AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
AC_CHECK_HEADER([net/if_tap.h], ,
AC_DEFINE(SSH_TUN_NO_L2, 1, [No layer 2 tunnel support]))
AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
[Prepend the address family to IP tunnel traffic])
;;
*-*-freebsd*)
check_for_libcrypt_later=1
AC_DEFINE(LOCKED_PASSWD_PREFIX, "*LOCKED*", [Account locked with pw(1)])
AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
AC_CHECK_HEADER([net/if_tap.h], ,
AC_DEFINE(SSH_TUN_NO_L2, 1, [No layer 2 tunnel support]))
AC_DEFINE(BROKEN_GLOB, 1, [FreeBSD glob does not do what we need])
;;
*-*-bsdi*)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
;;
*-next-*)
conf_lastlog_location="/usr/adm/lastlog"
conf_utmp_location=/etc/utmp
conf_wtmp_location=/usr/adm/wtmp
MAIL=/usr/spool/mail
AC_DEFINE(HAVE_NEXT, 1, [Define if you are on NeXT])
AC_DEFINE(BROKEN_REALPATH)
AC_DEFINE(USE_PIPES)
AC_DEFINE(BROKEN_SAVED_UIDS, 1, [Needed for NeXT])
;;
*-*-openbsd*)
AC_DEFINE(HAVE_ATTRIBUTE__SENTINEL__, 1, [OpenBSD's gcc has sentinel])
AC_DEFINE(HAVE_ATTRIBUTE__BOUNDED__, 1, [OpenBSD's gcc has bounded])
AC_DEFINE(SSH_TUN_OPENBSD, 1, [Open tunnel devices the OpenBSD way])
AC_DEFINE(SYSLOG_R_SAFE_IN_SIGHAND, 1,
[syslog_r function is safe to use in in a signal handler])
;;
*-*-solaris*)
if test "x$withval" != "xno" ; then
need_dash_r=1
fi
AC_DEFINE(PAM_SUN_CODEBASE)
AC_DEFINE(LOGIN_NEEDS_UTMPX)
AC_DEFINE(LOGIN_NEEDS_TERM, 1,
[Some versions of /bin/login need the TERM supplied
on the commandline])
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])
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
;;
*-*-sunos4*)
CPPFLAGS="$CPPFLAGS -DSUNOS4"
AC_CHECK_FUNCS(getpwanam)
AC_DEFINE(PAM_SUN_CODEBASE)
conf_utmp_location=/etc/utmp
conf_wtmp_location=/var/adm/wtmp
conf_lastlog_location=/var/adm/lastlog
AC_DEFINE(USE_PIPES)
;;
*-ncr-sysv*)
LIBS="$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="$LIBS -lresolv" ])
IPADDR_IN_DISPLAY=yes
AC_DEFINE(USE_PIPES)
AC_DEFINE(IP_TOS_IS_BROKEN)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
AC_DEFINE(SSHD_ACQUIRES_CTTY)
external_path_file=/etc/default/login
# /usr/ucblib/libucb.a no longer needed on ReliantUNIX
# Attention: always take care to bind libsocket and libnsl before libc,
# otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
;;
# UnixWare 1.x, UnixWare 2.x, and others based on code from Univel.
*-*-sysv4.2*)
AC_DEFINE(USE_PIPES)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
AC_DEFINE(PASSWD_NEEDS_USERNAME, 1, [must supply username to passwd])
AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
;;
# UnixWare 7.x, OpenUNIX 8
*-*-sysv5*)
check_for_libcrypt_later=1
AC_DEFINE(UNIXWARE_LONG_PASSWORDS, 1, [Support passwords > 8 chars])
AC_DEFINE(USE_PIPES)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
AC_DEFINE(PASSWD_NEEDS_USERNAME)
case "$host" in
*-*-sysv5SCO_SV*) # SCO OpenServer 6.x
TEST_SHELL=/u95/bin/sh
AC_DEFINE(BROKEN_LIBIAF, 1,
[ia_uinfo routines not supported by OS yet])
AC_DEFINE(BROKEN_UPDWTMPX)
;;
*) 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="$LIBS -lprot -lx -ltinfo -lm"
no_dev_ptmx=1
AC_DEFINE(USE_PIPES)
AC_DEFINE(HAVE_SECUREWARE)
AC_DEFINE(DISABLE_SHADOW)
AC_DEFINE(DISABLE_FD_PASSING)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
AC_DEFINE(WITH_ABBREV_NO_TTY)
AC_DEFINE(BROKEN_UPDWTMPX)
AC_DEFINE(PASSWD_NEEDS_USERNAME)
AC_CHECK_FUNCS(getluid setluid)
MANTYPE=man
TEST_SHELL=ksh
;;
*-*-unicosmk*)
AC_DEFINE(NO_SSH_LASTLOG, 1,
[Define if you don't want to use lastlog in session.c])
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
AC_DEFINE(USE_PIPES)
AC_DEFINE(DISABLE_FD_PASSING)
LDFLAGS="$LDFLAGS"
LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
MANTYPE=cat
;;
*-*-unicosmp*)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
AC_DEFINE(WITH_ABBREV_NO_TTY)
AC_DEFINE(USE_PIPES)
AC_DEFINE(DISABLE_FD_PASSING)
LDFLAGS="$LDFLAGS"
LIBS="$LIBS -lgen -lacid -ldb"
MANTYPE=cat
;;
*-*-unicos*)
AC_DEFINE(SETEUID_BREAKS_SETUID)
AC_DEFINE(BROKEN_SETREUID)
AC_DEFINE(BROKEN_SETREGID)
AC_DEFINE(USE_PIPES)
AC_DEFINE(DISABLE_FD_PASSING)
AC_DEFINE(NO_SSH_LASTLOG)
LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal"
LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
MANTYPE=cat
;;
*-dec-osf*)
AC_MSG_CHECKING(for Digital Unix SIA)
no_osfsia=""
AC_ARG_WITH(osfsia,
[ --with-osfsia Enable Digital Unix SIA],
[
if test "x$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)
;;
*-*-nto-qnx*)
AC_DEFINE(USE_PIPES)
AC_DEFINE(NO_X11_UNIX_SOCKETS)
AC_DEFINE(MISSING_NFDBITS, 1, [Define on *nto-qnx systems])
AC_DEFINE(MISSING_HOWMANY, 1, [Define on *nto-qnx systems])
AC_DEFINE(MISSING_FD_MASK, 1, [Define on *nto-qnx systems])
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 "$host" in
*-*-nto-qnx6*)
AC_DEFINE(DISABLE_FD_PASSING)
;;
esac
;;
*-*-ultrix*)
AC_DEFINE(BROKEN_GETGROUPS, 1, [getgroups(0,NULL) will return -1])
AC_DEFINE(BROKEN_MMAP, 1, [Ultrix mmap can't map files])
AC_DEFINE(NEED_SETPGRP)
AC_DEFINE(HAVE_SYS_SYSLOG_H, 1, [Force use of sys/syslog.h on Ultrix])
;;
*-*-lynxos)
CFLAGS="$CFLAGS -D__NO_INCLUDE_WARN__"
AC_DEFINE(MISSING_HOWMANY)
AC_DEFINE(BROKEN_SETVBUF, 1, [LynxOS has broken setvbuf() implementation])
;;
esac
AC_SUBST(LDFLAGS_SHARED)
AC_MSG_CHECKING(compiler and flags for sanity)
AC_RUN_IFELSE(
[AC_LANG_SOURCE([
#include <stdio.h>
int main(){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(yp_match, , AC_CHECK_LIB(nsl, yp_match))
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_MSG_CHECKING([for /proc/pid/fd directory])
if test -f "/proc/$$/cmdline" ; then
AC_DEFINE(HAVE_PROC_PID_CMDLINE, 1, [Define if you have /proc/<pid>/cmdline])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
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.]))
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)
AC_CHECK_FUNCS(pam_get_item)
LIBS="$saved_LIBS"
PAM_MSG="yes"
LIBS="$LIBS -lpam"
# if test $ac_cv_lib_dl_dlopen = yes; then
# case "$LIBS" in
# *-ldl*)
# # libdl already in LIBS
# ;;
# *)
# LIBS="$LIBS -ldl"
# ;;
# esac
# fi
fi
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 ]
)
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(libutil.h)
#AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN, 1,
# [Define if your libraries define login()])])
AC_CHECK_FUNCS(logout updwtmp logwtmp)
AC_FUNC_STRFTIME
# 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_TRY_COMPILE(
[ #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)
]
)
AC_CHECK_DECLS(GLOB_NOMATCH, , , [#include <glob.h>])
AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <sys/types.h>
#include <dirent.h>
int main(void){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/$pid/fd])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
AUDIT_MODULE=none
AC_ARG_WITH(audit,
[ --with-audit=module Enable EXPERIMENTAL audit support (modules=debug,bsm)],
[
AC_MSG_CHECKING(for supported audit module)
case "$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])
;;
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 ]
)
dnl Checks for library functions. Please keep in alphabetical order
AC_CHECK_FUNCS( \
arc4random \
asprintf \
b64_ntop \
__b64_ntop \
b64_pton \
__b64_pton \
bcopy \
bindresvport_sa \
clock \
closefrom \
dirfd \
fchmod \
fchown \
freeaddrinfo \
futimes \
getaddrinfo \
getcwd \
getgrouplist \
getnameinfo \
getopt \
getpeereid \
getpeerucred \
_getpty \
getrlimit \
getttyent \
glob \
inet_aton \
inet_ntoa \
inet_ntop \
innetgr \
login_getcapbool \
md5_crypt \
memmove \
mkdtemp \
mmap \
ngetaddrinfo \
nsleep \
ogetaddrinfo \
openlog_r \
poll \
prctl \
pstat \
readpassphrase \
realpath \
recvmsg \
rresvport_af \
sendmsg \
setdtablesize \
setegid \
setenv \
seteuid \
setgroups \
setlogin \
setpcred \
setproctitle \
setregid \
setreuid \
setrlimit \
setsid \
setvbuf \
sigaction \
sigvec \
snprintf \
socketpair \
strdup \
strerror \
strlcat \
strlcpy \
strmode \
strnvis \
strtonum \
strtoll \
strtoul \
swap32 \
sysconf \
tcgetpgrp \
truncate \
unsetenv \
updwtmpx \
vasprintf \
vhangup \
vsnprintf \
waitpid \
)
# IRIX has a const char return value for gai_strerror()
AC_CHECK_FUNCS(gai_strerror,[
AC_DEFINE(HAVE_GAI_STRERROR)
AC_TRY_COMPILE([
#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]))
dnl Make sure prototypes are defined for these before using them.
AC_CHECK_DECL(getrusage, [AC_CHECK_FUNCS(getrusage)])
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(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>
])
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_SOURCE([[
#include <stdlib.h>
#include <errno.h>
int main(){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_SOURCE([[
#include <stdlib.h>
#include <errno.h>
int main(){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])]
)
])
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 pututxline )
AC_CHECK_FUNCS(setutxent utmpxname)
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_SOURCE([[
#include <stdio.h>
int main(void){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 we don't have a working asprintf, then we strongly depend on vsnprintf
# returning the right thing on overflow: the number of characters it tried to
# create (as per SUSv3)
if test "x$ac_cv_func_asprintf" != "xyes" && \
test "x$ac_cv_func_vsnprintf" = "xyes" ; then
AC_MSG_CHECKING([whether vsnprintf returns correct values on overflow])
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#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;
}
int main(void)
{
char x[1];
exit(x_snprintf(x, 1, "%s %d", "hello", 12345) == 11 ? 0 : 1);
} ]])],
[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_SOURCE([[#include <stdio.h>
int snprintf(char *a, size_t b, const char *c, ...) { return 0; }
int main(void) { 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_TRY_COMPILE(
[#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$ac_cv_func_mkdtemp" = "xyes" ; then
AC_MSG_CHECKING([for (overly) strict mkstemp])
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <stdlib.h>
main() { char template[]="conftest.mkstemp-test";
if (mkstemp(template) == -1)
exit(1);
unlink(template); exit(0);
}
]])],
[
AC_MSG_RESULT(no)
],
[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_STRICT_MKSTEMP, 1, [Silly mkstemp()])
],
[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_STRICT_MKSTEMP)
]
)
fi
dnl make sure that openpty does not reacquire controlling terminal
if test ! -z "$check_for_openpty_ctty_bug"; then
AC_MSG_CHECKING(if openpty correctly handles controlling tty)
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <stdio.h>
#include <sys/fcntl.h>
#include <sys/types.h>
#include <sys/wait.h>
int
main()
{
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_SOURCE([[
#include <stdio.h>
#include <sys/socket.h>
#include <netdb.h>
#include <errno.h>
#include <netinet/in.h>
#define TEST_PORT "2222"
int
main(void)
{
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_SOURCE([[
#include <stdio.h>
#include <sys/socket.h>
#include <netdb.h>
#include <errno.h>
#include <netinet/in.h>
#define TEST_PORT "2222"
int
main(void)
{
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$check_for_conflicting_getspnam" = "x1"; then
AC_MSG_CHECKING(for conflicting getspnam in shadow.h)
AC_COMPILE_IFELSE([AC_LANG_SOURCE(
[
#include <shadow.h>
int main(void) {exit(0);}
])],
[
AC_MSG_RESULT(no)
],
[
AC_MSG_RESULT(yes)
AC_DEFINE(GETSPNAM_CONFLICTING_DEFS, 1,
[Conflicting defs for getspnam])
]
)
fi
AC_FUNC_GETPGRP
# Search for OpenSSL
saved_CPPFLAGS="$CPPFLAGS"
saved_LDFLAGS="$LDFLAGS"
AC_ARG_WITH(ssl-dir,
[ --with-ssl-dir=PATH Specify path to OpenSSL installation ],
[
if test "x$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 ${LDFLAGS}"
fi
else
if test -n "${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
]
)
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 ${saved_CPPFLAGS}"
AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
[
AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
]
)
]
)
# Determine OpenSSL header version
AC_MSG_CHECKING([OpenSSL header version])
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <stdio.h>
#include <string.h>
#include <openssl/opensslv.h>
#define DATA "conftest.sslincver"
int main(void) {
FILE *fd;
int rc;
fd = fopen(DATA,"w");
if(fd == NULL)
exit(1);
if ((rc = fprintf(fd ,"%x (%s)\n", OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT)) <0)
exit(1);
exit(0);
}
]])],
[
ssl_header_ver=`cat conftest.sslincver`
AC_MSG_RESULT($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_SOURCE([[
#include <stdio.h>
#include <string.h>
#include <openssl/opensslv.h>
#include <openssl/crypto.h>
#define DATA "conftest.ssllibver"
int main(void) {
FILE *fd;
int rc;
fd = fopen(DATA,"w");
if(fd == NULL)
exit(1);
if ((rc = fprintf(fd ,"%x (%s)\n", SSLeay(), SSLeay_version(SSLEAY_VERSION))) <0)
exit(1);
exit(0);
}
]])],
[
ssl_library_ver=`cat conftest.ssllibver`
AC_MSG_RESULT($ssl_library_ver)
],
[
AC_MSG_RESULT(not found)
AC_MSG_ERROR(OpenSSL library not found.)
],
[
AC_MSG_WARN([cross compiling: not checking])
]
)
AC_ARG_WITH(openssl-header-check,
[ --without-openssl-header-check Disable OpenSSL version consistency check],
[ if test "x$withval" = "xno" ; then
openssl_check_nonfatal=1
fi
]
)
# Sanity check OpenSSL headers
AC_MSG_CHECKING([whether OpenSSL's headers match the library])
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <string.h>
#include <openssl/opensslv.h>
int main(void) { exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
]])],
[
AC_MSG_RESULT(yes)
],
[
AC_MSG_RESULT(no)
if test "x$openssl_check_nonfatal" = "x"; then
AC_MSG_ERROR([Your OpenSSL headers do not match your
library. Check config.log for details.
If you are sure your installation is consistent, you can disable the check
by running "./configure --without-openssl-header-check".
Also see contrib/findssl.sh for help identifying header/library mismatches.
])
else
AC_MSG_WARN([Your OpenSSL headers do not match your
library. Check config.log for details.
Also see contrib/findssl.sh for help identifying header/library mismatches.])
fi
],
[
AC_MSG_WARN([cross compiling: not checking])
]
)
AC_MSG_CHECKING([if programs using OpenSSL functions will link])
AC_LINK_IFELSE(
[AC_LANG_SOURCE([[
#include <openssl/evp.h>
int main(void) { SSLeay_add_all_algorithms(); }
]])],
[
AC_MSG_RESULT(yes)
],
[
AC_MSG_RESULT(no)
saved_LIBS="$LIBS"
LIBS="$LIBS -ldl"
AC_MSG_CHECKING([if programs using OpenSSL need -ldl])
AC_LINK_IFELSE(
[AC_LANG_SOURCE([[
#include <openssl/evp.h>
int main(void) { SSLeay_add_all_algorithms(); }
]])],
[
AC_MSG_RESULT(yes)
],
[
AC_MSG_RESULT(no)
LIBS="$saved_LIBS"
]
)
]
)
AC_ARG_WITH(ssl-engine,
[ --with-ssl-engine Enable OpenSSL (hardware) ENGINE support ],
[ if test "x$withval" != "xno" ; then
AC_MSG_CHECKING(for OpenSSL ENGINE support)
AC_TRY_COMPILE(
[ #include <openssl/engine.h>],
[
ENGINE_load_builtin_engines();ENGINE_register_all_complete();
],
[ AC_MSG_RESULT(yes)
AC_DEFINE(USE_OPENSSL_ENGINE, 1,
[Enable OpenSSL engine support])
],
[ AC_MSG_ERROR(OpenSSL ENGINE support not found)]
)
fi ]
)
# Check for OpenSSL without EVP_aes_{192,256}_cbc
AC_MSG_CHECKING([whether OpenSSL has crippled AES support])
AC_LINK_IFELSE(
[AC_LANG_SOURCE([[
#include <string.h>
#include <openssl/evp.h>
int main(void) { exit(EVP_aes_192_cbc() == NULL || EVP_aes_256_cbc() == NULL);}
]])],
[
AC_MSG_RESULT(no)
],
[
AC_MSG_RESULT(yes)
AC_DEFINE(OPENSSL_LOBOTOMISED_AES, 1,
[libcrypto is missing AES 192 and 256 bit functions])
]
)
# Some systems want crypt() from libcrypt, *not* the version in OpenSSL,
# because the system crypt() is more featureful.
if test "x$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
# Search for SHA256 support in libc and/or OpenSSL
AC_CHECK_FUNCS(SHA256_Update EVP_sha256)
saved_LIBS="$LIBS"
AC_CHECK_LIB(iaf, ia_openinfo, [
LIBS="$LIBS -liaf"
AC_CHECK_FUNCS(set_id, [LIBS="$LIBS -liaf"
AC_DEFINE(HAVE_LIBIAF, 1,
[Define if system has libiaf that supports set_id])
])
])
LIBS="$saved_LIBS"
### Configure cryptographic random number support
# Check wheter OpenSSL seeds itself
AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <string.h>
#include <openssl/rand.h>
int main(void) { exit(RAND_status() == 1 ? 0 : 1); }
]])],
[
OPENSSL_SEEDS_ITSELF=yes
AC_MSG_RESULT(yes)
],
[
AC_MSG_RESULT(no)
# Default to use of the rand helper if OpenSSL doesn't
# seed itself
USE_RAND_HELPER=yes
],
[
AC_MSG_WARN([cross compiling: assuming yes])
# This is safe, since all recent OpenSSL versions will
# complain at runtime if not seeded correctly.
OPENSSL_SEEDS_ITSELF=yes
]
)
# Check for older PAM
if test "x$PAM_MSG" = "xyes" ; then
# Check PAM strerror arguments (old PAM)
AC_MSG_CHECKING([whether pam_strerror takes only one argument])
AC_TRY_COMPILE(
[
#include <stdlib.h>
#if defined(HAVE_SECURITY_PAM_APPL_H)
#include <security/pam_appl.h>
#elif defined (HAVE_PAM_PAM_APPL_H)
#include <pam/pam_appl.h>
#endif
],
[(void)pam_strerror((pam_handle_t *)NULL, -1);],
[AC_MSG_RESULT(no)],
[
AC_DEFINE(HAVE_OLD_PAM, 1,
[Define if you have an old version of PAM
which takes only one argument to pam_strerror])
AC_MSG_RESULT(yes)
PAM_MSG="yes (old library)"
]
)
fi
# Do we want to force the use of the rand helper?
AC_ARG_WITH(rand-helper,
[ --with-rand-helper Use subprocess to gather strong randomness ],
[
if test "x$withval" = "xno" ; then
# Force use of OpenSSL's internal RNG, even if
# the previous test showed it to be unseeded.
if test -z "$OPENSSL_SEEDS_ITSELF" ; then
AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
OPENSSL_SEEDS_ITSELF=yes
USE_RAND_HELPER=""
fi
else
USE_RAND_HELPER=yes
fi
],
)
# Which randomness source do we use?
if test ! -z "$OPENSSL_SEEDS_ITSELF" && test -z "$USE_RAND_HELPER" ; then
# OpenSSL only
AC_DEFINE(OPENSSL_PRNG_ONLY, 1,
[Define if you want OpenSSL's internally seeded PRNG only])
RAND_MSG="OpenSSL internal ONLY"
INSTALL_SSH_RAND_HELPER=""
elif test ! -z "$USE_RAND_HELPER" ; then
# install rand helper
RAND_MSG="ssh-rand-helper"
INSTALL_SSH_RAND_HELPER="yes"
fi
AC_SUBST(INSTALL_SSH_RAND_HELPER)
# Change default command timeout for hashing entropy source
entropy_timeout=200
AC_ARG_WITH(entropy-timeout,
[ --with-entropy-timeout Specify entropy gathering command timeout (msec)],
[
if test -n "$withval" && test "x$withval" != "xno" && \
test "x${withval}" != "xyes"; then
entropy_timeout=$withval
fi
]
)
AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout,
[Builtin PRNG command timeout])
# We do this little dance with the search path to insure
# that programs that we select for use by installed programs
# (which may be run by the super-user) come from trusted
# locations before they come from the user's private area.
# This should help avoid accidentally configuring some
# random version of a program in someone's personal bin.
OPATH=$PATH
PATH=/bin:/usr/bin
test -h /bin 2> /dev/null && PATH=/usr/bin
test -d /sbin && PATH=$PATH:/sbin
test -d /usr/sbin && PATH=$PATH:/usr/sbin
PATH=$PATH:/etc:$OPATH
# These programs are used by the command hashing source to gather entropy
OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
OSSH_PATH_ENTROPY_PROG(PROG_W, w)
OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
# restore PATH
PATH=$OPATH
# Where does ssh-rand-helper get its randomness from?
INSTALL_SSH_PRNG_CMDS=""
if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
if test ! -z "$PRNGD_PORT" ; then
RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
elif test ! -z "$PRNGD_SOCKET" ; then
RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
else
RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
RAND_HELPER_CMDHASH=yes
INSTALL_SSH_PRNG_CMDS="yes"
fi
fi
AC_SUBST(INSTALL_SSH_PRNG_CMDS)
# Cheap hack to ensure NEWS-OS libraries are arranged right.
if test ! -z "$SONY" ; then
LIBS="$LIBS -liberty";
fi
# Check for long long datatypes
AC_CHECK_TYPES([long long, unsigned long long, long double])
# Check datatype sizes
AC_CHECK_SIZEOF(char, 1)
AC_CHECK_SIZEOF(short int, 2)
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(long int, 4)
AC_CHECK_SIZEOF(long long int, 8)
# Sanity check long long for some platforms (AIX)
if test "x$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 "$have_llong_max"; then
AC_MSG_CHECKING([for max value of long long])
AC_RUN_IFELSE(
[AC_LANG_SOURCE([[
#include <stdio.h>
/* Why is this so damn hard? */
#ifdef __GNUC__
# undef __GNUC__
#endif
#define __USE_ISOC99
#include <limits.h>
#define DATA "conftest.llminmax"
#define my_abs(a) ((a) < 0 ? ((a) * -1) : (a))
/*
* printf in libc on some platforms (eg old Tru64) does not understand %lld so
* we do this the hard way.
*/
static int
fprint_ll(FILE *f, long long n)
{
unsigned int i;
int l[sizeof(long long) * 8];
if (n < 0)
if (fprintf(f, "-") < 0)
return -1;
for (i = 0; n != 0; i++) {
l[i] = my_abs(n % 10);
n /= 10;
}
do {
if (fprintf(f, "%d", l[--i]) < 0)
return -1;
} while (i != 0);
if (fprintf(f, " ") < 0)
return -1;
return 0;
}
int main(void) {
FILE *f;
long long i, llmin, llmax = 0;
if((f = fopen(DATA,"w")) == NULL)
exit(1);
#if defined(LLONG_MIN) && defined(LLONG_MAX)
fprintf(stderr, "Using system header for LLONG_MIN and LLONG_MAX\n");
llmin = LLONG_MIN;
llmax = LLONG_MAX;
#else
fprintf(stderr, "Calculating LLONG_MIN and LLONG_MAX\n");
/* This will work on one's complement and two's complement */
for (i = 1; i > llmax; i <<= 1, i++)
llmax = i;
llmin = llmax + 1LL; /* wrap */
#endif
/* Sanity check */
if (llmin + 1 < llmin || llmin - 1 < llmin || llmax + 1 > llmax
|| llmax - 1 > llmax || llmin == llmax || llmin == 0
|| llmax == 0 || llmax < LONG_MAX || llmin > LONG_MIN) {
fprintf(f, "unknown unknown\n");
exit(2);
}
if (fprint_ll(f, llmin) < 0)
exit(3);
if (fprint_ll(f, llmax) < 0)
exit(4);
if (fclose(f) < 0)
exit(5);
exit(0);
}
]])],
[
llong_min=`$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, [${llong_min}LL],
[min value of long long calculated by configure])
],
[
AC_MSG_RESULT(not found)
],
[
AC_MSG_WARN([cross compiling: not checking])
]
)
fi
# More checks for data types
AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
AC_TRY_COMPILE(
[ #include <sys/types.h> ],
[ u_int a; a = 1;],
[ ac_cv_have_u_int="yes" ],
[ ac_cv_have_u_int="no" ]
)
])
if test "x$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_TRY_COMPILE(
[ #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$ac_cv_header_stdint_h" = "xyes")
then
AC_MSG_CHECKING([for intXX_t types in stdint.h])
AC_TRY_COMPILE(
[ #include <stdint.h> ],
[ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
[
AC_DEFINE(HAVE_INTXX_T)
AC_MSG_RESULT(yes)
],
[ AC_MSG_RESULT(no) ]
)
fi
AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
AC_TRY_COMPILE(
[
#include <sys/types.h>
#ifdef HAVE_STDINT_H
# include <stdint.h>
#endif
#include <sys/socket.h>
#ifdef HAVE_SYS_BITYPES_H
# include <sys/bitypes.h>
#endif
],
[ int64_t a; a = 1;],
[ ac_cv_have_int64_t="yes" ],
[ ac_cv_have_int64_t="no" ]
)
])
if test "x$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_TRY_COMPILE(
[ #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_TRY_COMPILE(
[ #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_TRY_COMPILE(
[ #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" ; then
AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
AC_TRY_COMPILE(
[ #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 "$have_u_intxx_t" ; then
AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
AC_TRY_COMPILE(
[
#include <sys/types.h>
],
[ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
[ ac_cv_have_uintxx_t="yes" ],
[ ac_cv_have_uintxx_t="no" ]
)
])
if test "x$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 "$have_uintxx_t" ; then
AC_MSG_CHECKING([for uintXX_t types in stdint.h])
AC_TRY_COMPILE(
[ #include <stdint.h> ],
[ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
[
AC_DEFINE(HAVE_UINTXX_T)
AC_MSG_RESULT(yes)
],
[ AC_MSG_RESULT(no) ]
)
fi
if (test -z "$have_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_TRY_COMPILE(
[
#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_TRY_COMPILE(
[
#include <sys/types.h>
],
[ u_char foo; foo = 125; ],
[ ac_cv_have_u_char="yes" ],
[ ac_cv_have_u_char="no" ]
)
])
if test "x$ac_cv_have_u_char" = "xyes" ; then
AC_DEFINE(HAVE_U_CHAR, 1, [define if you have u_char data type])
fi
TYPE_SOCKLEN_T
AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
AC_CHECK_TYPES(in_addr_t,,,
[#include <sys/types.h>
#include <netinet/in.h>])
AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
AC_TRY_COMPILE(
[
#include <sys/types.h>
],
[ size_t foo; foo = 1235; ],
[ ac_cv_have_size_t="yes" ],
[ ac_cv_have_size_t="no" ]
)
])
if test "x$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_TRY_COMPILE(
[
#include <sys/types.h>
],
[ ssize_t foo; foo = 1235; ],
[ ac_cv_have_ssize_t="yes" ],
[ ac_cv_have_ssize_t="no" ]
)
])
if test "x$ac_cv_have_ssize_t" = "xyes" ; then
AC_DEFINE(HAVE_SSIZE_T, 1, [define if you have ssize_t data type])
fi
AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
AC_TRY_COMPILE(
[
#include <time.h>
],
[ clock_t foo; foo = 1235; ],
[ ac_cv_have_clock_t="yes" ],
[ ac_cv_have_clock_t="no" ]
)
])
if test "x$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_TRY_COMPILE(
[
#include <sys/types.h>
#include <sys/socket.h>
],
[ sa_family_t foo; foo = 1235; ],
[ ac_cv_have_sa_family_t="yes" ],
[ AC_TRY_COMPILE(
[
#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$ac_cv_have_sa_family_t" = "xyes" ; then
AC_DEFINE(HAVE_SA_FAMILY_T, 1,
[define if you have sa_family_t data type])
fi
AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
AC_TRY_COMPILE(
[
#include <sys/types.h>
],
[ pid_t foo; foo = 1235; ],
[ ac_cv_have_pid_t="yes" ],
[ ac_cv_have_pid_t="no" ]
)
])
if test "x$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_TRY_COMPILE(
[
#include <sys/types.h>
],
[ mode_t foo; foo = 1235; ],
[ ac_cv_have_mode_t="yes" ],
[ ac_cv_have_mode_t="no" ]
)
])
if test "x$ac_cv_have_mode_t" = "xyes" ; then
AC_DEFINE(HAVE_MODE_T, 1, [define if you have mode_t data type])
fi
AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
AC_TRY_COMPILE(
[
#include <sys/types.h>
#include <sys/socket.h>
],
[ struct sockaddr_storage s; ],
[ ac_cv_have_struct_sockaddr_storage="yes" ],
[ ac_cv_have_struct_sockaddr_storage="no" ]
)
])
if test "x$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_TRY_COMPILE(
[
#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$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6, 1,
[define if you have struct sockaddr_in6 data type])
fi
AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
AC_TRY_COMPILE(
[
#include <sys/types.h>
#include <netinet/in.h>
],
[ struct in6_addr s; s.s6_addr[0] = 0; ],
[ ac_cv_have_struct_in6_addr="yes" ],
[ ac_cv_have_struct_in6_addr="no" ]
)
])
if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
AC_DEFINE(HAVE_STRUCT_IN6_ADDR, 1,
[define if you have struct in6_addr data type])
fi
AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
AC_TRY_COMPILE(
[
#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$ac_cv_have_struct_addrinfo" = "xyes" ; then
AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1,
[define if you have struct addrinfo data type])
fi
AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
AC_TRY_COMPILE(
[ #include <sys/time.h> ],
[ struct timeval tv; tv.tv_sec = 1;],
[ ac_cv_have_struct_timeval="yes" ],
[ ac_cv_have_struct_timeval="no" ]
)
])
if test "x$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 certian 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_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_TRY_COMPILE(
[
#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_TRY_COMPILE(
[
#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$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
AC_DEFINE(HAVE___SS_FAMILY_IN_SS, 1,
[Fields in struct sockaddr_storage])
fi
AC_CACHE_CHECK([for pw_class field in struct passwd],
ac_cv_have_pw_class_in_struct_passwd, [
AC_TRY_COMPILE(
[
#include <pwd.h>
],
[ struct passwd p; p.pw_class = 0; ],
[ ac_cv_have_pw_class_in_struct_passwd="yes" ],
[ ac_cv_have_pw_class_in_struct_passwd="no" ]
)
])
if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD, 1,
[Define if your password has a pw_class field])
fi
AC_CACHE_CHECK([for pw_expire field in struct passwd],
ac_cv_have_pw_expire_in_struct_passwd, [
AC_TRY_COMPILE(
[
#include <pwd.h>
],
[ struct passwd p; p.pw_expire = 0; ],
[ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
[ ac_cv_have_pw_expire_in_struct_passwd="no" ]
)
])
if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD, 1,
[Define if your password has a pw_expire field])
fi
AC_CACHE_CHECK([for pw_change field in struct passwd],
ac_cv_have_pw_change_in_struct_passwd, [
AC_TRY_COMPILE(
[
#include <pwd.h>
],
[ struct passwd p; p.pw_change = 0; ],
[ ac_cv_have_pw_change_in_struct_passwd="yes" ],
[ ac_cv_have_pw_change_in_struct_passwd="no" ]
)
])
if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD, 1,
[Define if your password has a pw_change field])
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_SOURCE(
[
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/uio.h>
int main() {
#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$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR, 1,
[Define if your system uses access rights style
file descriptor passing])
fi
AC_CACHE_CHECK([for msg_control field in struct msghdr],
ac_cv_have_control_in_msghdr, [
AC_COMPILE_IFELSE([AC_LANG_SOURCE(
[
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/uio.h>
int main() {
#ifdef msg_control
#error "msg_control is a macro"
exit(1);
#endif
struct msghdr m;
m.msg_control = 0;
exit(0);
}
])],
[ ac_cv_have_control_in_msghdr="yes" ],
[ ac_cv_have_control_in_msghdr="no" ]
)
])
if test "x$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_TRY_LINK([],
[ 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 $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
AC_TRY_LINK([
#include <stdio.h>
],
[ printf("%s", __FUNCTION__); ],
[ ac_cv_cc_implements___FUNCTION__="yes" ],
[ ac_cv_cc_implements___FUNCTION__="no" ]
)
])
if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
AC_DEFINE(HAVE___FUNCTION__, 1,
[Define if compiler implements __FUNCTION__])
fi
AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
AC_TRY_LINK([
#include <stdio.h>
],
[ printf("%s", __func__); ],
[ ac_cv_cc_implements___func__="yes" ],
[ ac_cv_cc_implements___func__="no" ]
)
])
if test "x$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_TRY_LINK(
[#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$ac_cv_have_va_copy" = "xyes" ; then
AC_DEFINE(HAVE_VA_COPY, 1, [Define if va_copy exists])
fi
AC_CACHE_CHECK([whether __va_copy exists], ac_cv_have___va_copy, [
AC_TRY_LINK(
[#include <stdarg.h>
va_list x,y;],
[__va_copy(x,y);],
[ ac_cv_have___va_copy="yes" ],
[ ac_cv_have___va_copy="no" ]
)
])
if test "x$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_TRY_LINK(
[
#include <getopt.h>
],
[ extern int optreset; optreset = 0; ],
[ ac_cv_have_getopt_optreset="yes" ],
[ ac_cv_have_getopt_optreset="no" ]
)
])
if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
AC_DEFINE(HAVE_GETOPT_OPTRESET, 1,
[Define if your getopt(3) defines and uses optreset])
fi
AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
AC_TRY_LINK([],
[ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
[ ac_cv_libc_defines_sys_errlist="yes" ],
[ ac_cv_libc_defines_sys_errlist="no" ]
)
])
if test "x$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_TRY_LINK([],
[ 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$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
AC_DEFINE(HAVE_SYS_NERR, 1, [Define if your system defines sys_nerr])
fi
SCARD_MSG="no"
# Check libraries needed by DNS fingerprint support
AC_SEARCH_LIBS(getrrsetbyname, resolv,
[AC_DEFINE(HAVE_GETRRSETBYNAME, 1,
[Define if getrrsetbyname() exists])],
[
# Needed by our getrrsetbyname()
AC_SEARCH_LIBS(res_query, resolv)
AC_SEARCH_LIBS(dn_expand, resolv)
AC_MSG_CHECKING(if res_query will link)
AC_TRY_LINK_FUNC(res_query, AC_MSG_RESULT(yes),
[AC_MSG_RESULT(no)
saved_LIBS="$LIBS"
LIBS="$LIBS -lresolv"
AC_MSG_CHECKING(for res_query in -lresolv)
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <resolv.h>
int main()
{
res_query (0, 0, 0, 0, 0);
return 0;
}
])],
[LIBS="$LIBS -lresolv"
AC_MSG_RESULT(yes)],
[LIBS="$saved_LIBS"
AC_MSG_RESULT(no)])
])
AC_CHECK_FUNCS(_getshort _getlong)
AC_CHECK_DECLS([_getshort, _getlong], , ,
[#include <sys/types.h>
#include <arpa/nameser.h>])
AC_CHECK_MEMBER(HEADER.ad,
[AC_DEFINE(HAVE_HEADER_AD, 1,
[Define if HEADER.ad exists in arpa/nameser.h])],,
[#include <arpa/nameser.h>])
])
AC_MSG_CHECKING(if struct __res_state _res is an extern)
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <stdio.h>
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <resolv.h>
extern struct __res_state _res;
int main() { return 0; }
])],
[AC_MSG_RESULT(yes)
AC_DEFINE(HAVE__RES_EXTERN, 1,
[Define if you have struct __res_state _res as an extern])
],
[ AC_MSG_RESULT(no) ]
)
# Check whether user wants SELinux support
SELINUX_MSG="no"
LIBSELINUX=""
AC_ARG_WITH(selinux,
[ --with-selinux Enable SELinux support],
[ if test "x$withval" != "xno" ; then
save_LIBS="$LIBS"
AC_DEFINE(WITH_SELINUX,1,[Define if you want SELinux support.])
SELINUX_MSG="yes"
AC_CHECK_HEADER([selinux/selinux.h], ,
AC_MSG_ERROR(SELinux support requires selinux.h header))
AC_CHECK_LIB(selinux, setexeccon, [ LIBSELINUX="-lselinux ]",
AC_MSG_ERROR(SELinux support requires libselinux library))
AC_CHECK_FUNCS(getseuserbyname get_default_context_with_level)
if test "x$LIBSELINUX" = "x" ; then
LIBS="$save_LIBS"
else
LIBS="$LIBS $LIBSELINUX"
fi
fi ]
)
# Looking for programs, paths and files
STRIP_OPT=-s
AC_ARG_ENABLE(strip,
[ --disable-strip Disable calling strip(1) on install],
[
if test "x$enableval" = "xno" ; then
STRIP_OPT=
fi
]
)
AC_SUBST(STRIP_OPT)
if test ! -z "$cross_compiling" && test "x$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=$MANTYPE;
fi
AC_SUBST(mansubdir)
if test ! -z "$blibpath" ; then
LDFLAGS="$LDFLAGS $blibflags$blibpath"
AC_MSG_WARN([Please check and edit blibpath in LDFLAGS in Makefile])
fi
dnl Adding -Werror to CFLAGS early prevents configure tests from running.
dnl Add now.
CFLAGS="$CFLAGS $werror_flags"
AC_EXEEXT
AC_CONFIG_FILES([Makefile \
openbsd-compat/Makefile openbsd-compat/regress/Makefile \
])
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 " Manpage format: $MANTYPE"
echo " SELinux support: $SELINUX_MSG"
echo " Host: ${host}"
echo " Compiler: ${CC}"
echo " Compiler flags: ${CFLAGS}"
echo "Preprocessor flags: ${CPPFLAGS}"
echo " Linker flags: ${LDFLAGS}"
echo " Libraries: ${LIBS}"
echo ""
if test ! -z "$RAND_HELPER_CMDHASH" ; then
echo "WARNING: you are using the builtin random number collection "
echo "service. Please read WARNING.RNG and request that your OS "
echo "vendor includes kernel-based random number collection in "
echo "future versions of your OS."
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
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