3 # Copyright (c) 1999-2004 Damien Miller
5 # Permission to use, copy, modify, and distribute this software for any
6 # purpose with or without fee is hereby granted, provided that the above
7 # copyright notice and this permission notice appear in all copies.
9 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 AC_INIT(OpenSSH, Portable, openssh-unix-dev@mindrot.org)
18 AC_REVISION($Revision$)
19 AC_CONFIG_SRCDIR([ssh.c])
21 AC_CONFIG_HEADER(config.h)
23 # Handle Globus configuration right away, because the Globus flavor
24 # determines our compiler options.
26 # Check whether the user wants GSI (Globus) support
29 [ --with-gsi Enable Globus GSI authentication support],
36 [ --with-globus Enable Globus GSI authentication support],
42 AC_ARG_WITH(globus-static,
43 [ --with-globus-static Link statically with Globus GSI libraries],
46 if test "x$gsi_path" = "xno" ; then
52 # Check whether the user has a Globus flavor type
53 globus_flavor_type="no"
54 AC_ARG_WITH(globus-flavor,
55 [ --with-globus-flavor=TYPE Specify Globus flavor type (ex: gcc32dbg)],
57 globus_flavor_type="$withval"
58 if test "x$gsi_path" = "xno" ; then
64 if test "x$gsi_path" != "xno" ; then
65 # Globus GSSAPI configuration
66 AC_MSG_CHECKING(for Globus GSI)
67 AC_DEFINE(GSI, 1, [Define if you want GSI/Globus authentication support.])
69 if test "$GSSAPI" -a "$GSSAPI" != "mechglue"; then
70 AC_MSG_ERROR([Previously configured GSSAPI library conflicts with Globus GSI.])
72 if test -z "$GSSAPI"; then
77 if test "x$gsi_path" = "xyes" ; then
78 if test -z "$GLOBUS_LOCATION" ; then
79 AC_MSG_ERROR(GLOBUS_LOCATION environment variable must be set.)
81 gsi_path="$GLOBUS_LOCATION"
84 GLOBUS_LOCATION="$gsi_path"
85 export GLOBUS_LOCATION
86 if test ! -d "$GLOBUS_LOCATION" ; then
87 AC_MSG_ERROR(Cannot find Globus installation. Set GLOBUS_LOCATION environment variable.)
90 if test "x$globus_flavor_type" = "xno" ; then
91 AC_MSG_ERROR(--with-globus-flavor=TYPE must be specified)
93 if test "x$globus_flavor_type" = "xyes" ; then
94 AC_MSG_ERROR(--with-globus-flavor=TYPE must specify a flavor type)
97 GLOBUS_INCLUDE="${gsi_path}/include/${globus_flavor_type}"
98 if test ! -d "$GLOBUS_INCLUDE" ; then
99 AC_MSG_ERROR(Cannot find Globus flavor-specific include directory: ${GLOBUS_INCLUDE})
102 if test -x ${gsi_path}/bin/globus-makefile-header ; then
103 ${gsi_path}/bin/globus-makefile-header --flavor=${globus_flavor_type} ${gsi_static} globus_gss_assist | sed 's/ = \(.*\)/="\1"/' > ./gpt_build_tmp.sh
104 elif test -x ${gsi_path}/sbin/globus-makefile-header ; then
105 ${gsi_path}/sbin/globus-makefile-header --flavor=${globus_flavor_type} ${gsi_static} globus_gss_assist | sed 's/ = \(.*\)/="\1"/' > ./gpt_build_tmp.sh
107 AC_MSG_ERROR(Cannot find globus-makefile-header: Globus installation is incomplete)
110 if test -z "$GLOBUS_PKG_LIBS" ; then
111 AC_MSG_ERROR(globus-makefile-header failed)
114 AC_DEFINE(HAVE_GSSAPI_H)
117 CFLAGS="$GLOBUS_CFLAGS"
119 CPPFLAGS="$GLOBUS_CPPFLAGS $GLOBUS_INCLUDES"
120 LIBS="$LIBS $GLOBUS_LIBS $GLOBUS_PKG_LIBS"
122 LDFLAGS="$LDFLAGS $GLOBUS_LDFLAGS"
124 # test that we got the libraries OK
132 AC_MSG_ERROR(link with Globus libraries failed)
135 AC_CHECK_FUNCS(globus_gss_assist_map_and_authorize)
140 AC_SUBST(INSTALL_GSISSH)
141 # End Globus/GSI section
147 # Checks for programs.
154 AC_PATH_PROG(CAT, cat)
155 AC_PATH_PROG(KILL, kill)
156 AC_PATH_PROGS(PERL, perl5 perl)
157 AC_PATH_PROG(SED, sed)
159 AC_PATH_PROG(ENT, ent)
161 AC_PATH_PROG(TEST_MINUS_S_SH, bash)
162 AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
163 AC_PATH_PROG(TEST_MINUS_S_SH, sh)
165 AC_SUBST(TEST_SHELL,sh)
168 AC_PATH_PROG(PATH_GROUPADD_PROG, groupadd, groupadd,
169 [/usr/sbin${PATH_SEPARATOR}/etc])
170 AC_PATH_PROG(PATH_USERADD_PROG, useradd, useradd,
171 [/usr/sbin${PATH_SEPARATOR}/etc])
172 AC_CHECK_PROG(MAKE_PACKAGE_SUPPORTED, pkgmk, yes, no)
173 if test -x /sbin/sh; then
174 AC_SUBST(STARTUP_SCRIPT_SHELL,/sbin/sh)
176 AC_SUBST(STARTUP_SCRIPT_SHELL,/bin/sh)
182 if test -z "$AR" ; then
183 AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
186 # Use LOGIN_PROGRAM from environment if possible
187 if test ! -z "$LOGIN_PROGRAM" ; then
188 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM",
189 [If your header files don't define LOGIN_PROGRAM,
190 then use this (detected) from environment and PATH])
193 AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
194 if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
195 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
199 AC_PATH_PROG(PATH_PASSWD_PROG, passwd)
200 if test ! -z "$PATH_PASSWD_PROG" ; then
201 AC_DEFINE_UNQUOTED(_PATH_PASSWD_PROG, "$PATH_PASSWD_PROG",
202 [Full path of your "passwd" program])
205 if test -z "$LD" ; then
212 AC_CHECK_DECL(LLONG_MAX, have_llong_max=1, , [#include <limits.h>])
214 use_stack_protector=1
215 AC_ARG_WITH(stackprotect,
216 [ --without-stackprotect Don't use compiler's stack protection], [
217 if test "x$withval" = "xno"; then
218 use_stack_protector=0
221 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
222 CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wuninitialized"
223 GCC_VER=`$CC -v 2>&1 | $AWK '/gcc version /{print $3}'`
225 1.*) no_attrib_nonnull=1 ;;
227 CFLAGS="$CFLAGS -Wsign-compare"
230 2.*) no_attrib_nonnull=1 ;;
231 3.*) CFLAGS="$CFLAGS -Wsign-compare" ;;
232 4.*) CFLAGS="$CFLAGS -Wsign-compare -Wno-pointer-sign" ;;
236 # -fstack-protector-all doesn't always work for some GCC versions
237 # and/or platforms, so we test if we can. If it's not supported
238 # on a give platform gcc will emit a warning so we use -Werror.
239 if test "x$use_stack_protector" = "x1"; then
240 for t in -fstack-protector-all -fstack-protector; do
241 AC_MSG_CHECKING(if $CC supports $t)
242 saved_CFLAGS="$CFLAGS"
243 saved_LDFLAGS="$LDFLAGS"
244 CFLAGS="$CFLAGS $t -Werror"
245 LDFLAGS="$LDFLAGS $t -Werror"
249 int main(void){return 0;}
252 CFLAGS="$saved_CFLAGS $t"
253 LDFLAGS="$saved_LDFLAGS $t"
254 AC_MSG_CHECKING(if $t works)
258 int main(void){exit(0);}
262 [ AC_MSG_RESULT(no) ],
263 [ AC_MSG_WARN([cross compiling: cannot test])
267 [ AC_MSG_RESULT(no) ]
269 CFLAGS="$saved_CFLAGS"
270 LDFLAGS="$saved_LDFLAGS"
274 if test -z "$have_llong_max"; then
275 # retry LLONG_MAX with -std=gnu99, needed on some Linuxes
276 unset ac_cv_have_decl_LLONG_MAX
277 saved_CFLAGS="$CFLAGS"
278 CFLAGS="$CFLAGS -std=gnu99"
279 AC_CHECK_DECL(LLONG_MAX,
281 [CFLAGS="$saved_CFLAGS"],
282 [#include <limits.h>]
287 if test "x$no_attrib_nonnull" != "x1" ; then
288 AC_DEFINE(HAVE_ATTRIBUTE__NONNULL__, 1, [Have attribute nonnull])
292 [ --without-rpath Disable auto-added -R linker paths],
294 if test "x$withval" = "xno" ; then
297 if test "x$withval" = "xyes" ; then
303 # Allow user to specify flags
305 [ --with-cflags Specify additional flags to pass to compiler],
307 if test -n "$withval" && test "x$withval" != "xno" && \
308 test "x${withval}" != "xyes"; then
309 CFLAGS="$CFLAGS $withval"
313 AC_ARG_WITH(cppflags,
314 [ --with-cppflags Specify additional flags to pass to preprocessor] ,
316 if test -n "$withval" && test "x$withval" != "xno" && \
317 test "x${withval}" != "xyes"; then
318 CPPFLAGS="$CPPFLAGS $withval"
323 [ --with-ldflags Specify additional flags to pass to linker],
325 if test -n "$withval" && test "x$withval" != "xno" && \
326 test "x${withval}" != "xyes"; then
327 LDFLAGS="$LDFLAGS $withval"
332 [ --with-libs Specify additional libraries to link with],
334 if test -n "$withval" && test "x$withval" != "xno" && \
335 test "x${withval}" != "xyes"; then
336 LIBS="$LIBS $withval"
341 [ --with-Werror Build main code with -Werror],
343 if test -n "$withval" && test "x$withval" != "xno"; then
344 werror_flags="-Werror"
345 if test "x${withval}" != "xyes"; then
346 werror_flags="$withval"
378 security/pam_appl.h \
417 # lastlog.h requires sys/time.h to be included first on Solaris
418 AC_CHECK_HEADERS(lastlog.h, [], [], [
419 #ifdef HAVE_SYS_TIME_H
420 # include <sys/time.h>
424 # sys/ptms.h requires sys/stream.h to be included first on Solaris
425 AC_CHECK_HEADERS(sys/ptms.h, [], [], [
426 #ifdef HAVE_SYS_STREAM_H
427 # include <sys/stream.h>
431 # login_cap.h requires sys/types.h on NetBSD
432 AC_CHECK_HEADERS(login_cap.h, [], [], [
433 #include <sys/types.h>
436 # Messages for features tested for in target-specific section
440 # Check for some target-specific stuff
443 # Some versions of VAC won't allow macro redefinitions at
444 # -qlanglevel=ansi, and autoconf 2.60 sometimes insists on using that
445 # particularly with older versions of vac or xlc.
446 # It also throws errors about null macro argments, but these are
448 AC_MSG_CHECKING(if compiler allows macro redefinitions)
451 #define testmacro foo
452 #define testmacro bar
453 int main(void) { exit(0); }
455 [ AC_MSG_RESULT(yes) ],
457 CC="`echo $CC | sed 's/-qlanglvl\=ansi//g'`"
458 LD="`echo $LD | sed 's/-qlanglvl\=ansi//g'`"
459 CFLAGS="`echo $CFLAGS | sed 's/-qlanglvl\=ansi//g'`"
460 CPPFLAGS="`echo $CPPFLAGS | sed 's/-qlanglvl\=ansi//g'`"
464 AC_MSG_CHECKING([how to specify blibpath for linker ($LD)])
465 if (test -z "$blibpath"); then
466 blibpath="/usr/lib:/lib"
468 saved_LDFLAGS="$LDFLAGS"
469 if test "$GCC" = "yes"; then
470 flags="-Wl,-blibpath: -Wl,-rpath, -blibpath:"
472 flags="-blibpath: -Wl,-blibpath: -Wl,-rpath,"
474 for tryflags in $flags ;do
475 if (test -z "$blibflags"); then
476 LDFLAGS="$saved_LDFLAGS $tryflags$blibpath"
477 AC_TRY_LINK([], [], [blibflags=$tryflags])
480 if (test -z "$blibflags"); then
481 AC_MSG_RESULT(not found)
482 AC_MSG_ERROR([*** must be able to specify blibpath on AIX - check config.log])
484 AC_MSG_RESULT($blibflags)
486 LDFLAGS="$saved_LDFLAGS"
487 dnl Check for authenticate. Might be in libs.a on older AIXes
488 AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE, 1,
489 [Define if you want to enable AIX4's authenticate function])],
490 [AC_CHECK_LIB(s,authenticate,
491 [ AC_DEFINE(WITH_AIXAUTHENTICATE)
495 dnl Check for various auth function declarations in headers.
496 AC_CHECK_DECLS([authenticate, loginrestrictions, loginsuccess,
497 passwdexpired, setauthdb], , , [#include <usersec.h>])
498 dnl Check if loginfailed is declared and takes 4 arguments (AIX >= 5.2)
499 AC_CHECK_DECLS(loginfailed,
500 [AC_MSG_CHECKING(if loginfailed takes 4 arguments)
502 [#include <usersec.h>],
503 [(void)loginfailed("user","host","tty",0);],
505 AC_DEFINE(AIX_LOGINFAILED_4ARG, 1,
506 [Define if your AIX loginfailed() function
507 takes 4 arguments (AIX >= 5.2)])],
511 [#include <usersec.h>]
513 AC_CHECK_FUNCS(getgrset setauthdb)
514 AC_CHECK_DECL(F_CLOSEM,
515 AC_DEFINE(HAVE_FCNTL_CLOSEM, 1, [Use F_CLOSEM fcntl for closefrom]),
517 [ #include <limits.h>
520 check_for_aix_broken_getaddrinfo=1
521 AC_DEFINE(BROKEN_REALPATH, 1, [Define if you have a broken realpath.])
522 AC_DEFINE(SETEUID_BREAKS_SETUID, 1,
523 [Define if your platform breaks doing a seteuid before a setuid])
524 AC_DEFINE(BROKEN_SETREUID, 1, [Define if your setreuid() is broken])
525 AC_DEFINE(BROKEN_SETREGID, 1, [Define if your setregid() is broken])
526 dnl AIX handles lastlog as part of its login message
527 AC_DEFINE(DISABLE_LASTLOG, 1, [Define if you don't want to use lastlog])
528 AC_DEFINE(LOGIN_NEEDS_UTMPX, 1,
529 [Some systems need a utmpx entry for /bin/login to work])
530 AC_DEFINE(SPT_TYPE,SPT_REUSEARGV,
531 [Define to a Set Process Title type if your system is
532 supported by bsd-setproctitle.c])
533 AC_DEFINE(SSHPAM_CHAUTHTOK_NEEDS_RUID, 1,
534 [AIX 5.2 and 5.3 (and presumably newer) require this])
535 AC_DEFINE(PTY_ZEROREAD, 1, [read(1) can return 0 for a non-closed fd])
538 check_for_libcrypt_later=1
539 LIBS="$LIBS /usr/lib/textreadmode.o"
540 AC_DEFINE(HAVE_CYGWIN, 1, [Define if you are on Cygwin])
541 AC_DEFINE(USE_PIPES, 1, [Use PIPES instead of a socketpair()])
542 AC_DEFINE(DISABLE_SHADOW, 1,
543 [Define if you want to disable shadow passwords])
544 AC_DEFINE(IP_TOS_IS_BROKEN, 1,
545 [Define if your system choked on IP TOS setting])
546 AC_DEFINE(NO_X11_UNIX_SOCKETS, 1,
547 [Define if X11 doesn't support AF_UNIX sockets on that system])
548 AC_DEFINE(NO_IPPORT_RESERVED_CONCEPT, 1,
549 [Define if the concept of ports only accessible to
550 superusers isn't known])
551 AC_DEFINE(DISABLE_FD_PASSING, 1,
552 [Define if your platform needs to skip post auth
553 file descriptor passing])
556 AC_DEFINE(IP_TOS_IS_BROKEN)
557 AC_DEFINE(SETEUID_BREAKS_SETUID)
558 AC_DEFINE(BROKEN_SETREUID)
559 AC_DEFINE(BROKEN_SETREGID)
562 AC_DEFINE(BROKEN_GETADDRINFO, 1, [Define if getaddrinfo is broken)])
563 AC_DEFINE(BROKEN_GETADDRINFO)
564 AC_DEFINE(SETEUID_BREAKS_SETUID)
565 AC_DEFINE(BROKEN_SETREUID)
566 AC_DEFINE(BROKEN_SETREGID)
567 AC_DEFINE(BROKEN_GLOB, 1, [OS X glob does not do what we expect])
568 AC_DEFINE_UNQUOTED(BIND_8_COMPAT, 1,
569 [Define if your resolver libs need this for getrrsetbyname])
570 AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
571 AC_DEFINE(SSH_TUN_COMPAT_AF, 1,
572 [Use tunnel device compatibility to OpenBSD])
573 AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
574 [Prepend the address family to IP tunnel traffic])
575 m4_pattern_allow(AU_IPv)
576 AC_CHECK_DECL(AU_IPv4, [],
577 AC_DEFINE(AU_IPv4, 0, [System only supports IPv4 audit records])
578 [#include <bsm/audit.h>]
580 AC_MSG_CHECKING(if we have the Security Authorization Session API)
581 AC_TRY_COMPILE([#include <Security/AuthSession.h>],
582 [SessionCreate(0, 0);],
583 [ac_cv_use_security_session_api="yes"
584 AC_DEFINE(USE_SECURITY_SESSION_API, 1,
585 [platform has the Security Authorization Session API])
586 LIBS="$LIBS -framework Security"
588 [ac_cv_use_security_session_api="no"
590 AC_MSG_CHECKING(if we have an in-memory credentials cache)
592 [#include <Kerberos/Kerberos.h>],
594 (void) cc_initialize (&c, 0, NULL, NULL);],
595 [AC_DEFINE(USE_CCAPI, 1,
596 [platform uses an in-memory credentials cache])
597 LIBS="$LIBS -framework Security"
599 if test "x$ac_cv_use_security_session_api" = "xno"; then
600 AC_MSG_ERROR(*** Need a security framework to use the credentials cache API ***)
606 SSHDLIBS="$SSHDLIBS -lcrypt"
609 # first we define all of the options common to all HP-UX releases
610 CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
611 IPADDR_IN_DISPLAY=yes
613 AC_DEFINE(LOGIN_NO_ENDOPT, 1,
614 [Define if your login program cannot handle end of options ("--")])
615 AC_DEFINE(LOGIN_NEEDS_UTMPX)
616 AC_DEFINE(LOCKED_PASSWD_STRING, "*",
617 [String used in /etc/passwd to denote locked account])
618 AC_DEFINE(SPT_TYPE,SPT_PSTAT)
619 MAIL="/var/mail/username"
621 AC_CHECK_LIB(xnet, t_error, ,
622 AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
624 # next, we define all of the options specific to major releases
627 if test -z "$GCC"; then
632 AC_DEFINE(PAM_SUN_CODEBASE, 1,
633 [Define if you are using Solaris-derived PAM which
634 passes pam_messages to the conversation function
635 with an extra level of indirection])
636 AC_DEFINE(DISABLE_UTMP, 1,
637 [Define if you don't want to use utmp])
638 AC_DEFINE(USE_BTMP, 1, [Use btmp to log bad logins])
639 check_for_hpux_broken_getaddrinfo=1
640 check_for_conflicting_getspnam=1
644 # lastly, we define options specific to minor releases
647 AC_DEFINE(HAVE_SECUREWARE, 1,
648 [Define if you have SecureWare-based
649 protected password database])
650 disable_ptmx_check=yes
656 PATH="$PATH:/usr/etc"
657 AC_DEFINE(BROKEN_INET_NTOA, 1,
658 [Define if you system's inet_ntoa is busted
659 (e.g. Irix gcc issue)])
660 AC_DEFINE(SETEUID_BREAKS_SETUID)
661 AC_DEFINE(BROKEN_SETREUID)
662 AC_DEFINE(BROKEN_SETREGID)
663 AC_DEFINE(WITH_ABBREV_NO_TTY, 1,
664 [Define if you shouldn't strip 'tty' from your
666 AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
669 PATH="$PATH:/usr/etc"
670 AC_DEFINE(WITH_IRIX_ARRAY, 1,
671 [Define if you have/want arrays
672 (cluster-wide session managment, not C arrays)])
673 AC_DEFINE(WITH_IRIX_PROJECT, 1,
674 [Define if you want IRIX project management])
675 AC_DEFINE(WITH_IRIX_AUDIT, 1,
676 [Define if you want IRIX audit trails])
677 AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS, 1,
678 [Define if you want IRIX kernel jobs])])
679 AC_DEFINE(BROKEN_INET_NTOA)
680 AC_DEFINE(SETEUID_BREAKS_SETUID)
681 AC_DEFINE(BROKEN_SETREUID)
682 AC_DEFINE(BROKEN_SETREGID)
683 AC_DEFINE(BROKEN_UPDWTMPX, 1, [updwtmpx is broken (if present)])
684 AC_DEFINE(WITH_ABBREV_NO_TTY)
685 AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
689 check_for_libcrypt_later=1
690 check_for_openpty_ctty_bug=1
691 AC_DEFINE(DONT_TRY_OTHER_AF, 1, [Workaround more Linux IPv6 quirks])
692 AC_DEFINE(PAM_TTY_KLUDGE, 1,
693 [Work around problematic Linux PAM modules handling of PAM_TTY])
694 AC_DEFINE(LOCKED_PASSWD_PREFIX, "!",
695 [String used in /etc/passwd to denote locked account])
696 AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)
697 AC_DEFINE(LINK_OPNOTSUPP_ERRNO, EPERM,
698 [Define to whatever link() returns for "not supported"
699 if it doesn't return EOPNOTSUPP.])
700 AC_DEFINE(_PATH_BTMP, "/var/log/btmp", [log for bad login attempts])
702 inet6_default_4in6=yes
705 AC_DEFINE(BROKEN_CMSG_TYPE, 1,
706 [Define if cmsg_type is not passed correctly])
709 # tun(4) forwarding compat code
710 AC_CHECK_HEADERS(linux/if_tun.h)
711 if test "x$ac_cv_header_linux_if_tun_h" = "xyes" ; then
712 AC_DEFINE(SSH_TUN_LINUX, 1,
713 [Open tunnel devices the Linux tun/tap way])
714 AC_DEFINE(SSH_TUN_COMPAT_AF, 1,
715 [Use tunnel device compatibility to OpenBSD])
716 AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
717 [Prepend the address family to IP tunnel traffic])
720 mips-sony-bsd|mips-sony-newsos4)
721 AC_DEFINE(NEED_SETPGRP, 1, [Need setpgrp to acquire controlling tty])
725 check_for_libcrypt_before=1
726 if test "x$withval" != "xno" ; then
729 AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
730 AC_CHECK_HEADER([net/if_tap.h], ,
731 AC_DEFINE(SSH_TUN_NO_L2, 1, [No layer 2 tunnel support]))
732 AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
733 [Prepend the address family to IP tunnel traffic])
736 check_for_libcrypt_later=1
737 AC_DEFINE(LOCKED_PASSWD_PREFIX, "*LOCKED*", [Account locked with pw(1)])
738 AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
739 AC_CHECK_HEADER([net/if_tap.h], ,
740 AC_DEFINE(SSH_TUN_NO_L2, 1, [No layer 2 tunnel support]))
741 AC_DEFINE(BROKEN_GLOB, 1, [FreeBSD glob does not do what we need])
744 AC_DEFINE(SETEUID_BREAKS_SETUID)
745 AC_DEFINE(BROKEN_SETREUID)
746 AC_DEFINE(BROKEN_SETREGID)
749 conf_lastlog_location="/usr/adm/lastlog"
750 conf_utmp_location=/etc/utmp
751 conf_wtmp_location=/usr/adm/wtmp
753 AC_DEFINE(HAVE_NEXT, 1, [Define if you are on NeXT])
754 AC_DEFINE(BROKEN_REALPATH)
756 AC_DEFINE(BROKEN_SAVED_UIDS, 1, [Needed for NeXT])
759 AC_DEFINE(HAVE_ATTRIBUTE__SENTINEL__, 1, [OpenBSD's gcc has sentinel])
760 AC_DEFINE(HAVE_ATTRIBUTE__BOUNDED__, 1, [OpenBSD's gcc has bounded])
761 AC_DEFINE(SSH_TUN_OPENBSD, 1, [Open tunnel devices the OpenBSD way])
762 AC_DEFINE(SYSLOG_R_SAFE_IN_SIGHAND, 1,
763 [syslog_r function is safe to use in in a signal handler])
766 if test "x$withval" != "xno" ; then
769 AC_DEFINE(PAM_SUN_CODEBASE)
770 AC_DEFINE(LOGIN_NEEDS_UTMPX)
771 AC_DEFINE(LOGIN_NEEDS_TERM, 1,
772 [Some versions of /bin/login need the TERM supplied
774 AC_DEFINE(PAM_TTY_KLUDGE)
775 AC_DEFINE(SSHPAM_CHAUTHTOK_NEEDS_RUID, 1,
776 [Define if pam_chauthtok wants real uid set
777 to the unpriv'ed user])
778 AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
779 # Pushing STREAMS modules will cause sshd to acquire a controlling tty.
780 AC_DEFINE(SSHD_ACQUIRES_CTTY, 1,
781 [Define if sshd somehow reacquires a controlling TTY
783 AC_DEFINE(PASSWD_NEEDS_USERNAME, 1, [must supply username to passwd
784 in case the name is longer than 8 chars])
785 external_path_file=/etc/default/login
786 # hardwire lastlog location (can't detect it on some versions)
787 conf_lastlog_location="/var/adm/lastlog"
788 AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
789 sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
790 if test "$sol2ver" -ge 8; then
792 AC_DEFINE(DISABLE_UTMP)
793 AC_DEFINE(DISABLE_WTMP, 1,
794 [Define if you don't want to use wtmp])
798 AC_ARG_WITH(solaris-contracts,
799 [ --with-solaris-contracts Enable Solaris process contracts (experimental)],
801 AC_CHECK_LIB(contract, ct_tmpl_activate,
802 [ AC_DEFINE(USE_SOLARIS_PROCESS_CONTRACTS, 1,
803 [Define if you have Solaris process contracts])
804 SSHDLIBS="$SSHDLIBS -lcontract"
811 CPPFLAGS="$CPPFLAGS -DSUNOS4"
812 AC_CHECK_FUNCS(getpwanam)
813 AC_DEFINE(PAM_SUN_CODEBASE)
814 conf_utmp_location=/etc/utmp
815 conf_wtmp_location=/var/adm/wtmp
816 conf_lastlog_location=/var/adm/lastlog
822 AC_DEFINE(SSHD_ACQUIRES_CTTY)
823 AC_DEFINE(SETEUID_BREAKS_SETUID)
824 AC_DEFINE(BROKEN_SETREUID)
825 AC_DEFINE(BROKEN_SETREGID)
828 # /usr/ucblib MUST NOT be searched on ReliantUNIX
829 AC_CHECK_LIB(dl, dlsym, ,)
830 # -lresolv needs to be at the end of LIBS or DNS lookups break
831 AC_CHECK_LIB(resolv, res_query, [ LIBS="$LIBS -lresolv" ])
832 IPADDR_IN_DISPLAY=yes
834 AC_DEFINE(IP_TOS_IS_BROKEN)
835 AC_DEFINE(SETEUID_BREAKS_SETUID)
836 AC_DEFINE(BROKEN_SETREUID)
837 AC_DEFINE(BROKEN_SETREGID)
838 AC_DEFINE(SSHD_ACQUIRES_CTTY)
839 external_path_file=/etc/default/login
840 # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
841 # Attention: always take care to bind libsocket and libnsl before libc,
842 # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
844 # UnixWare 1.x, UnixWare 2.x, and others based on code from Univel.
847 AC_DEFINE(SETEUID_BREAKS_SETUID)
848 AC_DEFINE(BROKEN_SETREUID)
849 AC_DEFINE(BROKEN_SETREGID)
850 AC_DEFINE(PASSWD_NEEDS_USERNAME, 1, [must supply username to passwd])
851 AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
853 # UnixWare 7.x, OpenUNIX 8
855 check_for_libcrypt_later=1
856 AC_DEFINE(UNIXWARE_LONG_PASSWORDS, 1, [Support passwords > 8 chars])
858 AC_DEFINE(SETEUID_BREAKS_SETUID)
859 AC_DEFINE(BROKEN_SETREUID)
860 AC_DEFINE(BROKEN_SETREGID)
861 AC_DEFINE(PASSWD_NEEDS_USERNAME)
863 *-*-sysv5SCO_SV*) # SCO OpenServer 6.x
864 TEST_SHELL=/u95/bin/sh
865 AC_DEFINE(BROKEN_LIBIAF, 1,
866 [ia_uinfo routines not supported by OS yet])
867 AC_DEFINE(BROKEN_UPDWTMPX)
869 *) AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
875 # SCO UNIX and OEM versions of SCO UNIX
877 AC_MSG_ERROR("This Platform is no longer supported.")
881 if test -z "$GCC"; then
882 CFLAGS="$CFLAGS -belf"
884 LIBS="$LIBS -lprot -lx -ltinfo -lm"
887 AC_DEFINE(HAVE_SECUREWARE)
888 AC_DEFINE(DISABLE_SHADOW)
889 AC_DEFINE(DISABLE_FD_PASSING)
890 AC_DEFINE(SETEUID_BREAKS_SETUID)
891 AC_DEFINE(BROKEN_SETREUID)
892 AC_DEFINE(BROKEN_SETREGID)
893 AC_DEFINE(WITH_ABBREV_NO_TTY)
894 AC_DEFINE(BROKEN_UPDWTMPX)
895 AC_DEFINE(PASSWD_NEEDS_USERNAME)
896 AC_CHECK_FUNCS(getluid setluid)
901 AC_DEFINE(NO_SSH_LASTLOG, 1,
902 [Define if you don't want to use lastlog in session.c])
903 AC_DEFINE(SETEUID_BREAKS_SETUID)
904 AC_DEFINE(BROKEN_SETREUID)
905 AC_DEFINE(BROKEN_SETREGID)
907 AC_DEFINE(DISABLE_FD_PASSING)
909 LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
913 AC_DEFINE(SETEUID_BREAKS_SETUID)
914 AC_DEFINE(BROKEN_SETREUID)
915 AC_DEFINE(BROKEN_SETREGID)
916 AC_DEFINE(WITH_ABBREV_NO_TTY)
918 AC_DEFINE(DISABLE_FD_PASSING)
920 LIBS="$LIBS -lgen -lacid -ldb"
924 AC_DEFINE(SETEUID_BREAKS_SETUID)
925 AC_DEFINE(BROKEN_SETREUID)
926 AC_DEFINE(BROKEN_SETREGID)
928 AC_DEFINE(DISABLE_FD_PASSING)
929 AC_DEFINE(NO_SSH_LASTLOG)
930 LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal"
931 LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
935 AC_MSG_CHECKING(for Digital Unix SIA)
938 [ --with-osfsia Enable Digital Unix SIA],
940 if test "x$withval" = "xno" ; then
941 AC_MSG_RESULT(disabled)
946 if test -z "$no_osfsia" ; then
947 if test -f /etc/sia/matrix.conf; then
949 AC_DEFINE(HAVE_OSF_SIA, 1,
950 [Define if you have Digital Unix Security
951 Integration Architecture])
952 AC_DEFINE(DISABLE_LOGIN, 1,
953 [Define if you don't want to use your
954 system's login() call])
955 AC_DEFINE(DISABLE_FD_PASSING)
956 LIBS="$LIBS -lsecurity -ldb -lm -laud"
960 AC_DEFINE(LOCKED_PASSWD_SUBSTR, "Nologin",
961 [String used in /etc/passwd to denote locked account])
964 AC_DEFINE(BROKEN_GETADDRINFO)
965 AC_DEFINE(SETEUID_BREAKS_SETUID)
966 AC_DEFINE(BROKEN_SETREUID)
967 AC_DEFINE(BROKEN_SETREGID)
972 AC_DEFINE(NO_X11_UNIX_SOCKETS)
973 AC_DEFINE(MISSING_NFDBITS, 1, [Define on *nto-qnx systems])
974 AC_DEFINE(MISSING_HOWMANY, 1, [Define on *nto-qnx systems])
975 AC_DEFINE(MISSING_FD_MASK, 1, [Define on *nto-qnx systems])
976 AC_DEFINE(DISABLE_LASTLOG)
977 AC_DEFINE(SSHD_ACQUIRES_CTTY)
978 AC_DEFINE(BROKEN_SHADOW_EXPIRE, 1, [QNX shadow support is broken])
979 enable_etc_default_login=no # has incompatible /etc/default/login
982 AC_DEFINE(DISABLE_FD_PASSING)
988 AC_DEFINE(BROKEN_GETGROUPS, 1, [getgroups(0,NULL) will return -1])
989 AC_DEFINE(BROKEN_MMAP, 1, [Ultrix mmap can't map files])
990 AC_DEFINE(NEED_SETPGRP)
991 AC_DEFINE(HAVE_SYS_SYSLOG_H, 1, [Force use of sys/syslog.h on Ultrix])
995 CFLAGS="$CFLAGS -D__NO_INCLUDE_WARN__"
996 AC_DEFINE(MISSING_HOWMANY)
997 AC_DEFINE(BROKEN_SETVBUF, 1, [LynxOS has broken setvbuf() implementation])
1001 AC_MSG_CHECKING(compiler and flags for sanity)
1005 int main(){exit(0);}
1007 [ AC_MSG_RESULT(yes) ],
1010 AC_MSG_ERROR([*** compiler cannot create working executables, check config.log ***])
1012 [ AC_MSG_WARN([cross compiling: not checking compiler sanity]) ]
1015 dnl Checks for header files.
1016 # Checks for libraries.
1017 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
1018 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
1020 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
1021 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
1022 AC_CHECK_LIB(gen, dirname,[
1023 AC_CACHE_CHECK([for broken dirname],
1024 ac_cv_have_broken_dirname, [
1032 int main(int argc, char **argv) {
1035 strncpy(buf,"/etc", 32);
1037 if (!s || strncmp(s, "/", 32) != 0) {
1044 [ ac_cv_have_broken_dirname="no" ],
1045 [ ac_cv_have_broken_dirname="yes" ],
1046 [ ac_cv_have_broken_dirname="no" ],
1050 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
1052 AC_DEFINE(HAVE_DIRNAME)
1053 AC_CHECK_HEADERS(libgen.h)
1058 AC_CHECK_FUNC(getspnam, ,
1059 AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
1060 AC_SEARCH_LIBS(basename, gen, AC_DEFINE(HAVE_BASENAME, 1,
1061 [Define if you have the basename function.]))
1063 dnl zlib is required
1065 [ --with-zlib=PATH Use zlib in PATH],
1066 [ if test "x$withval" = "xno" ; then
1067 AC_MSG_ERROR([*** zlib is required ***])
1068 elif test "x$withval" != "xyes"; then
1069 if test -d "$withval/lib"; then
1070 if test -n "${need_dash_r}"; then
1071 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
1073 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
1076 if test -n "${need_dash_r}"; then
1077 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
1079 LDFLAGS="-L${withval} ${LDFLAGS}"
1082 if test -d "$withval/include"; then
1083 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
1085 CPPFLAGS="-I${withval} ${CPPFLAGS}"
1090 AC_CHECK_LIB(z, deflate, ,
1092 saved_CPPFLAGS="$CPPFLAGS"
1093 saved_LDFLAGS="$LDFLAGS"
1095 dnl Check default zlib install dir
1096 if test -n "${need_dash_r}"; then
1097 LDFLAGS="-L/usr/local/lib -R/usr/local/lib ${saved_LDFLAGS}"
1099 LDFLAGS="-L/usr/local/lib ${saved_LDFLAGS}"
1101 CPPFLAGS="-I/usr/local/include ${saved_CPPFLAGS}"
1103 AC_TRY_LINK_FUNC(deflate, AC_DEFINE(HAVE_LIBZ),
1105 AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***])
1110 AC_CHECK_HEADER([zlib.h], ,AC_MSG_ERROR([*** zlib.h missing - please install first or check config.log ***]))
1112 AC_ARG_WITH(zlib-version-check,
1113 [ --without-zlib-version-check Disable zlib version check],
1114 [ if test "x$withval" = "xno" ; then
1115 zlib_check_nonfatal=1
1120 AC_MSG_CHECKING(for possibly buggy zlib)
1121 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1126 int a=0, b=0, c=0, d=0, n, v;
1127 n = sscanf(ZLIB_VERSION, "%d.%d.%d.%d", &a, &b, &c, &d);
1128 if (n != 3 && n != 4)
1130 v = a*1000000 + b*10000 + c*100 + d;
1131 fprintf(stderr, "found zlib version %s (%d)\n", ZLIB_VERSION, v);
1134 if (a == 1 && b == 1 && c >= 4)
1137 /* 1.2.3 and up are OK */
1145 [ AC_MSG_RESULT(yes)
1146 if test -z "$zlib_check_nonfatal" ; then
1147 AC_MSG_ERROR([*** zlib too old - check config.log ***
1148 Your reported zlib version has known security problems. It's possible your
1149 vendor has fixed these problems without changing the version number. If you
1150 are sure this is the case, you can disable the check by running
1151 "./configure --without-zlib-version-check".
1152 If you are in doubt, upgrade zlib to version 1.2.3 or greater.
1153 See http://www.gzip.org/zlib/ for details.])
1155 AC_MSG_WARN([zlib version may have security problems])
1158 [ AC_MSG_WARN([cross compiling: not checking zlib version]) ]
1162 AC_CHECK_FUNC(strcasecmp,
1163 [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
1165 AC_CHECK_FUNCS(utimes,
1166 [], [ AC_CHECK_LIB(c89, utimes, [AC_DEFINE(HAVE_UTIMES)
1167 LIBS="$LIBS -lc89"]) ]
1170 dnl Checks for libutil functions
1171 AC_CHECK_HEADERS(libutil.h)
1172 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN, 1,
1173 [Define if your libraries define login()])])
1174 AC_CHECK_FUNCS(logout updwtmp logwtmp)
1178 # Check for ALTDIRFUNC glob() extension
1179 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
1180 AC_EGREP_CPP(FOUNDIT,
1183 #ifdef GLOB_ALTDIRFUNC
1188 AC_DEFINE(GLOB_HAS_ALTDIRFUNC, 1,
1189 [Define if your system glob() function has
1190 the GLOB_ALTDIRFUNC extension])
1198 # Check for g.gl_matchc glob() extension
1199 AC_MSG_CHECKING(for gl_matchc field in glob_t)
1201 [ #include <glob.h> ],
1202 [glob_t g; g.gl_matchc = 1;],
1204 AC_DEFINE(GLOB_HAS_GL_MATCHC, 1,
1205 [Define if your system glob() function has
1206 gl_matchc options in glob_t])
1214 AC_CHECK_DECLS(GLOB_NOMATCH, , , [#include <glob.h>])
1216 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
1219 #include <sys/types.h>
1221 int main(void){struct dirent d;exit(sizeof(d.d_name)<=sizeof(char));}
1223 [AC_MSG_RESULT(yes)],
1226 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME, 1,
1227 [Define if your struct dirent expects you to
1228 allocate extra space for d_name])
1231 AC_MSG_WARN([cross compiling: assuming BROKEN_ONE_BYTE_DIRENT_D_NAME])
1232 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
1236 AC_MSG_CHECKING([for /proc/pid/fd directory])
1237 if test -d "/proc/$$/fd" ; then
1238 AC_DEFINE(HAVE_PROC_PID, 1, [Define if you have /proc/$pid/fd])
1244 # Check whether user wants S/Key support
1247 [ --with-skey[[=PATH]] Enable S/Key support (optionally in PATH)],
1249 if test "x$withval" != "xno" ; then
1251 if test "x$withval" != "xyes" ; then
1252 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1253 LDFLAGS="$LDFLAGS -L${withval}/lib"
1256 AC_DEFINE(SKEY, 1, [Define if you want S/Key support])
1260 AC_MSG_CHECKING([for s/key support])
1265 int main() { char *ff = skey_keyinfo(""); ff=""; exit(0); }
1267 [AC_MSG_RESULT(yes)],
1270 AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
1272 AC_MSG_CHECKING(if skeychallenge takes 4 arguments)
1276 [(void)skeychallenge(NULL,"name","",0);],
1278 AC_DEFINE(SKEYCHALLENGE_4ARG, 1,
1279 [Define if your skeychallenge()
1280 function takes 4 arguments (NetBSD)])],
1287 # Check whether user wants TCP wrappers support
1289 AC_ARG_WITH(tcp-wrappers,
1290 [ --with-tcp-wrappers[[=PATH]] Enable tcpwrappers support (optionally in PATH)],
1292 if test "x$withval" != "xno" ; then
1294 saved_LDFLAGS="$LDFLAGS"
1295 saved_CPPFLAGS="$CPPFLAGS"
1296 if test -n "${withval}" && \
1297 test "x${withval}" != "xyes"; then
1298 if test -d "${withval}/lib"; then
1299 if test -n "${need_dash_r}"; then
1300 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
1302 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
1305 if test -n "${need_dash_r}"; then
1306 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
1308 LDFLAGS="-L${withval} ${LDFLAGS}"
1311 if test -d "${withval}/include"; then
1312 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
1314 CPPFLAGS="-I${withval} ${CPPFLAGS}"
1318 AC_MSG_CHECKING(for libwrap)
1321 #include <sys/types.h>
1322 #include <sys/socket.h>
1323 #include <netinet/in.h>
1325 int deny_severity = 0, allow_severity = 0;
1330 AC_DEFINE(LIBWRAP, 1,
1332 TCP Wrappers support])
1333 SSHDLIBS="$SSHDLIBS -lwrap"
1337 AC_MSG_ERROR([*** libwrap missing])
1345 # Check whether user wants libedit support
1347 AC_ARG_WITH(libedit,
1348 [ --with-libedit[[=PATH]] Enable libedit support for sftp],
1349 [ if test "x$withval" != "xno" ; then
1350 if test "x$withval" != "xyes"; then
1351 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1352 if test -n "${need_dash_r}"; then
1353 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
1355 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
1358 AC_CHECK_LIB(edit, el_init,
1359 [ AC_DEFINE(USE_LIBEDIT, 1, [Use libedit for sftp])
1360 LIBEDIT="-ledit -lcurses"
1364 [ AC_MSG_ERROR(libedit not found) ],
1367 AC_MSG_CHECKING(if libedit version is compatible)
1370 #include <histedit.h>
1374 el_init("", NULL, NULL, NULL);
1378 [ AC_MSG_RESULT(yes) ],
1380 AC_MSG_ERROR(libedit version is not compatible) ]
1387 [ --with-audit=module Enable EXPERIMENTAL audit support (modules=debug,bsm)],
1389 AC_MSG_CHECKING(for supported audit module)
1394 dnl Checks for headers, libs and functions
1395 AC_CHECK_HEADERS(bsm/audit.h, [],
1396 [AC_MSG_ERROR(BSM enabled and bsm/audit.h not found)],
1403 AC_CHECK_LIB(bsm, getaudit, [],
1404 [AC_MSG_ERROR(BSM enabled and required library not found)])
1405 AC_CHECK_FUNCS(getaudit, [],
1406 [AC_MSG_ERROR(BSM enabled and required function not found)])
1407 # These are optional
1408 AC_CHECK_FUNCS(getaudit_addr aug_get_machine)
1409 AC_DEFINE(USE_BSM_AUDIT, 1, [Use BSM audit module])
1413 AC_MSG_RESULT(debug)
1414 AC_DEFINE(SSH_AUDIT_EVENTS, 1, Use audit debugging module)
1420 AC_MSG_ERROR([Unknown audit module $withval])
1425 dnl Checks for library functions. Please keep in alphabetical order
1513 # IRIX has a const char return value for gai_strerror()
1514 AC_CHECK_FUNCS(gai_strerror,[
1515 AC_DEFINE(HAVE_GAI_STRERROR)
1517 #include <sys/types.h>
1518 #include <sys/socket.h>
1521 const char *gai_strerror(int);],[
1524 str = gai_strerror(0);],[
1525 AC_DEFINE(HAVE_CONST_GAI_STRERROR_PROTO, 1,
1526 [Define if gai_strerror() returns const char *])])])
1528 AC_SEARCH_LIBS(nanosleep, rt posix4, AC_DEFINE(HAVE_NANOSLEEP, 1,
1529 [Some systems put nanosleep outside of libc]))
1531 dnl Make sure prototypes are defined for these before using them.
1532 AC_CHECK_DECL(getrusage, [AC_CHECK_FUNCS(getrusage)])
1533 AC_CHECK_DECL(strsep,
1534 [AC_CHECK_FUNCS(strsep)],
1537 #ifdef HAVE_STRING_H
1538 # include <string.h>
1542 dnl tcsendbreak might be a macro
1543 AC_CHECK_DECL(tcsendbreak,
1544 [AC_DEFINE(HAVE_TCSENDBREAK)],
1545 [AC_CHECK_FUNCS(tcsendbreak)],
1546 [#include <termios.h>]
1549 AC_CHECK_DECLS(h_errno, , ,[#include <netdb.h>])
1551 AC_CHECK_DECLS(SHUT_RD, , ,
1553 #include <sys/types.h>
1554 #include <sys/socket.h>
1557 AC_CHECK_DECLS(O_NONBLOCK, , ,
1559 #include <sys/types.h>
1560 #ifdef HAVE_SYS_STAT_H
1561 # include <sys/stat.h>
1568 AC_CHECK_DECLS(writev, , , [
1569 #include <sys/types.h>
1570 #include <sys/uio.h>
1574 AC_CHECK_DECLS(MAXSYMLINKS, , , [
1575 #include <sys/param.h>
1578 AC_CHECK_DECLS(offsetof, , , [
1582 AC_CHECK_FUNCS(setresuid, [
1583 dnl Some platorms have setresuid that isn't implemented, test for this
1584 AC_MSG_CHECKING(if setresuid seems to work)
1589 int main(){errno=0; setresuid(0,0,0); if (errno==ENOSYS) exit(1); else exit(0);}
1591 [AC_MSG_RESULT(yes)],
1592 [AC_DEFINE(BROKEN_SETRESUID, 1,
1593 [Define if your setresuid() is broken])
1594 AC_MSG_RESULT(not implemented)],
1595 [AC_MSG_WARN([cross compiling: not checking setresuid])]
1599 AC_CHECK_FUNCS(setresgid, [
1600 dnl Some platorms have setresgid that isn't implemented, test for this
1601 AC_MSG_CHECKING(if setresgid seems to work)
1606 int main(){errno=0; setresgid(0,0,0); if (errno==ENOSYS) exit(1); else exit(0);}
1608 [AC_MSG_RESULT(yes)],
1609 [AC_DEFINE(BROKEN_SETRESGID, 1,
1610 [Define if your setresgid() is broken])
1611 AC_MSG_RESULT(not implemented)],
1612 [AC_MSG_WARN([cross compiling: not checking setresuid])]
1616 dnl Checks for time functions
1617 AC_CHECK_FUNCS(gettimeofday time)
1618 dnl Checks for utmp functions
1619 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
1620 AC_CHECK_FUNCS(utmpname)
1621 dnl Checks for utmpx functions
1622 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
1623 AC_CHECK_FUNCS(setutxent utmpxname)
1625 AC_CHECK_FUNC(daemon,
1626 [AC_DEFINE(HAVE_DAEMON, 1, [Define if your libraries define daemon()])],
1627 [AC_CHECK_LIB(bsd, daemon,
1628 [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
1631 AC_CHECK_FUNC(getpagesize,
1632 [AC_DEFINE(HAVE_GETPAGESIZE, 1,
1633 [Define if your libraries define getpagesize()])],
1634 [AC_CHECK_LIB(ucb, getpagesize,
1635 [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
1638 # Check for broken snprintf
1639 if test "x$ac_cv_func_snprintf" = "xyes" ; then
1640 AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
1644 int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');}
1646 [AC_MSG_RESULT(yes)],
1649 AC_DEFINE(BROKEN_SNPRINTF, 1,
1650 [Define if your snprintf is busted])
1651 AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
1653 [ AC_MSG_WARN([cross compiling: Assuming working snprintf()]) ]
1657 # If we don't have a working asprintf, then we strongly depend on vsnprintf
1658 # returning the right thing on overflow: the number of characters it tried to
1659 # create (as per SUSv3)
1660 if test "x$ac_cv_func_asprintf" != "xyes" && \
1661 test "x$ac_cv_func_vsnprintf" = "xyes" ; then
1662 AC_MSG_CHECKING([whether vsnprintf returns correct values on overflow])
1665 #include <sys/types.h>
1669 int x_snprintf(char *str,size_t count,const char *fmt,...)
1671 size_t ret; va_list ap;
1672 va_start(ap, fmt); ret = vsnprintf(str, count, fmt, ap); va_end(ap);
1678 exit(x_snprintf(x, 1, "%s %d", "hello", 12345) == 11 ? 0 : 1);
1680 [AC_MSG_RESULT(yes)],
1683 AC_DEFINE(BROKEN_SNPRINTF, 1,
1684 [Define if your snprintf is busted])
1685 AC_MSG_WARN([****** Your vsnprintf() function is broken, complain to your vendor])
1687 [ AC_MSG_WARN([cross compiling: Assuming working vsnprintf()]) ]
1691 # On systems where [v]snprintf is broken, but is declared in stdio,
1692 # check that the fmt argument is const char * or just char *.
1693 # This is only useful for when BROKEN_SNPRINTF
1694 AC_MSG_CHECKING([whether snprintf can declare const char *fmt])
1695 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
1696 int snprintf(char *a, size_t b, const char *c, ...) { return 0; }
1697 int main(void) { snprintf(0, 0, 0); }
1700 AC_DEFINE(SNPRINTF_CONST, [const],
1701 [Define as const if snprintf() can declare const char *fmt])],
1703 AC_DEFINE(SNPRINTF_CONST, [/* not const */])])
1705 # Check for missing getpeereid (or equiv) support
1707 if test "x$ac_cv_func_getpeereid" != "xyes" -a "x$ac_cv_func_getpeerucred" != "xyes"; then
1708 AC_MSG_CHECKING([whether system supports SO_PEERCRED getsockopt])
1710 [#include <sys/types.h>
1711 #include <sys/socket.h>],
1712 [int i = SO_PEERCRED;],
1713 [ AC_MSG_RESULT(yes)
1714 AC_DEFINE(HAVE_SO_PEERCRED, 1, [Have PEERCRED socket option])
1721 dnl see whether mkstemp() requires XXXXXX
1722 if test "x$ac_cv_func_mkdtemp" = "xyes" ; then
1723 AC_MSG_CHECKING([for (overly) strict mkstemp])
1727 main() { char template[]="conftest.mkstemp-test";
1728 if (mkstemp(template) == -1)
1730 unlink(template); exit(0);
1738 AC_DEFINE(HAVE_STRICT_MKSTEMP, 1, [Silly mkstemp()])
1742 AC_DEFINE(HAVE_STRICT_MKSTEMP)
1747 dnl make sure that openpty does not reacquire controlling terminal
1748 if test ! -z "$check_for_openpty_ctty_bug"; then
1749 AC_MSG_CHECKING(if openpty correctly handles controlling tty)
1753 #include <sys/fcntl.h>
1754 #include <sys/types.h>
1755 #include <sys/wait.h>
1761 int fd, ptyfd, ttyfd, status;
1764 if (pid < 0) { /* failed */
1766 } else if (pid > 0) { /* parent */
1767 waitpid(pid, &status, 0);
1768 if (WIFEXITED(status))
1769 exit(WEXITSTATUS(status));
1772 } else { /* child */
1773 close(0); close(1); close(2);
1775 openpty(&ptyfd, &ttyfd, NULL, NULL, NULL);
1776 fd = open("/dev/tty", O_RDWR | O_NOCTTY);
1778 exit(3); /* Acquired ctty: broken */
1780 exit(0); /* Did not acquire ctty: OK */
1789 AC_DEFINE(SSHD_ACQUIRES_CTTY)
1792 AC_MSG_RESULT(cross-compiling, assuming yes)
1797 if test "x$ac_cv_func_getaddrinfo" = "xyes" && \
1798 test "x$check_for_hpux_broken_getaddrinfo" = "x1"; then
1799 AC_MSG_CHECKING(if getaddrinfo seems to work)
1803 #include <sys/socket.h>
1806 #include <netinet/in.h>
1808 #define TEST_PORT "2222"
1814 struct addrinfo *gai_ai, *ai, hints;
1815 char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL;
1817 memset(&hints, 0, sizeof(hints));
1818 hints.ai_family = PF_UNSPEC;
1819 hints.ai_socktype = SOCK_STREAM;
1820 hints.ai_flags = AI_PASSIVE;
1822 err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai);
1824 fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err));
1828 for (ai = gai_ai; ai != NULL; ai = ai->ai_next) {
1829 if (ai->ai_family != AF_INET6)
1832 err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop,
1833 sizeof(ntop), strport, sizeof(strport),
1834 NI_NUMERICHOST|NI_NUMERICSERV);
1837 if (err == EAI_SYSTEM)
1838 perror("getnameinfo EAI_SYSTEM");
1840 fprintf(stderr, "getnameinfo failed: %s\n",
1845 sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
1848 if (bind(sock, ai->ai_addr, ai->ai_addrlen) < 0) {
1861 AC_DEFINE(BROKEN_GETADDRINFO)
1864 AC_MSG_RESULT(cross-compiling, assuming yes)
1869 if test "x$ac_cv_func_getaddrinfo" = "xyes" && \
1870 test "x$check_for_aix_broken_getaddrinfo" = "x1"; then
1871 AC_MSG_CHECKING(if getaddrinfo seems to work)
1875 #include <sys/socket.h>
1878 #include <netinet/in.h>
1880 #define TEST_PORT "2222"
1886 struct addrinfo *gai_ai, *ai, hints;
1887 char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL;
1889 memset(&hints, 0, sizeof(hints));
1890 hints.ai_family = PF_UNSPEC;
1891 hints.ai_socktype = SOCK_STREAM;
1892 hints.ai_flags = AI_PASSIVE;
1894 err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai);
1896 fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err));
1900 for (ai = gai_ai; ai != NULL; ai = ai->ai_next) {
1901 if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6)
1904 err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop,
1905 sizeof(ntop), strport, sizeof(strport),
1906 NI_NUMERICHOST|NI_NUMERICSERV);
1908 if (ai->ai_family == AF_INET && err != 0) {
1909 perror("getnameinfo");
1918 AC_DEFINE(AIX_GETNAMEINFO_HACK, 1,
1919 [Define if you have a getaddrinfo that fails
1920 for the all-zeros IPv6 address])
1924 AC_DEFINE(BROKEN_GETADDRINFO)
1927 AC_MSG_RESULT(cross-compiling, assuming no)
1932 if test "x$check_for_conflicting_getspnam" = "x1"; then
1933 AC_MSG_CHECKING(for conflicting getspnam in shadow.h)
1937 int main(void) {exit(0);}
1944 AC_DEFINE(GETSPNAM_CONFLICTING_DEFS, 1,
1945 [Conflicting defs for getspnam])
1952 # Search for OpenSSL
1953 saved_CPPFLAGS="$CPPFLAGS"
1954 saved_LDFLAGS="$LDFLAGS"
1955 AC_ARG_WITH(ssl-dir,
1956 [ --with-ssl-dir=PATH Specify path to OpenSSL installation ],
1958 if test "x$withval" != "xno" ; then
1961 ./*|../*) withval="`pwd`/$withval"
1963 if test -d "$withval/lib"; then
1964 if test -n "${need_dash_r}"; then
1965 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
1967 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
1970 if test -n "${need_dash_r}"; then
1971 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
1973 LDFLAGS="-L${withval} ${LDFLAGS}"
1976 if test -d "$withval/include"; then
1977 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
1979 CPPFLAGS="-I${withval} ${CPPFLAGS}"
1984 if test -z "$GLOBUS_LDFLAGS" ; then
1985 LIBS="-lcrypto $LIBS"
1987 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL, 1,
1988 [Define if your ssl headers are included
1989 with #include <openssl/header.h>]),
1991 dnl Check default openssl install dir
1992 if test -n "${need_dash_r}"; then
1993 LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
1995 LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
1997 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
1998 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
2000 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
2006 # Determine OpenSSL header version
2007 AC_MSG_CHECKING([OpenSSL header version])
2012 #include <openssl/opensslv.h>
2013 #define DATA "conftest.sslincver"
2018 fd = fopen(DATA,"w");
2022 if ((rc = fprintf(fd ,"%x (%s)\n", OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT)) <0)
2029 ssl_header_ver=`cat conftest.sslincver`
2030 AC_MSG_RESULT($ssl_header_ver)
2033 AC_MSG_RESULT(not found)
2034 AC_MSG_ERROR(OpenSSL version header not found.)
2037 AC_MSG_WARN([cross compiling: not checking])
2041 # Determine OpenSSL library version
2042 AC_MSG_CHECKING([OpenSSL library version])
2047 #include <openssl/opensslv.h>
2048 #include <openssl/crypto.h>
2049 #define DATA "conftest.ssllibver"
2054 fd = fopen(DATA,"w");
2058 if ((rc = fprintf(fd ,"%x (%s)\n", SSLeay(), SSLeay_version(SSLEAY_VERSION))) <0)
2065 ssl_library_ver=`cat conftest.ssllibver`
2066 AC_MSG_RESULT($ssl_library_ver)
2069 AC_MSG_RESULT(not found)
2070 AC_MSG_ERROR(OpenSSL library not found.)
2073 AC_MSG_WARN([cross compiling: not checking])
2077 AC_ARG_WITH(openssl-header-check,
2078 [ --without-openssl-header-check Disable OpenSSL version consistency check],
2079 [ if test "x$withval" = "xno" ; then
2080 openssl_check_nonfatal=1
2085 # Sanity check OpenSSL headers
2086 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
2090 #include <openssl/opensslv.h>
2091 int main(void) { exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
2098 if test "x$openssl_check_nonfatal" = "x"; then
2099 AC_MSG_ERROR([Your OpenSSL headers do not match your
2100 library. Check config.log for details.
2101 If you are sure your installation is consistent, you can disable the check
2102 by running "./configure --without-openssl-header-check".
2103 Also see contrib/findssl.sh for help identifying header/library mismatches.
2106 AC_MSG_WARN([Your OpenSSL headers do not match your
2107 library. Check config.log for details.
2108 Also see contrib/findssl.sh for help identifying header/library mismatches.])
2112 AC_MSG_WARN([cross compiling: not checking])
2116 AC_MSG_CHECKING([if programs using OpenSSL functions will link])
2119 #include <openssl/evp.h>
2120 int main(void) { SSLeay_add_all_algorithms(); }
2129 AC_MSG_CHECKING([if programs using OpenSSL need -ldl])
2132 #include <openssl/evp.h>
2133 int main(void) { SSLeay_add_all_algorithms(); }
2146 AC_ARG_WITH(ssl-engine,
2147 [ --with-ssl-engine Enable OpenSSL (hardware) ENGINE support ],
2148 [ if test "x$withval" != "xno" ; then
2149 AC_MSG_CHECKING(for OpenSSL ENGINE support)
2151 [ #include <openssl/engine.h>],
2153 ENGINE_load_builtin_engines();ENGINE_register_all_complete();
2155 [ AC_MSG_RESULT(yes)
2156 AC_DEFINE(USE_OPENSSL_ENGINE, 1,
2157 [Enable OpenSSL engine support])
2159 [ AC_MSG_ERROR(OpenSSL ENGINE support not found)]
2164 # Check for OpenSSL without EVP_aes_{192,256}_cbc
2165 AC_MSG_CHECKING([whether OpenSSL has crippled AES support])
2169 #include <openssl/evp.h>
2170 int main(void) { exit(EVP_aes_192_cbc() == NULL || EVP_aes_256_cbc() == NULL);}
2177 AC_DEFINE(OPENSSL_LOBOTOMISED_AES, 1,
2178 [libcrypto is missing AES 192 and 256 bit functions])
2182 # Some systems want crypt() from libcrypt, *not* the version in OpenSSL,
2183 # because the system crypt() is more featureful.
2184 if test "x$check_for_libcrypt_before" = "x1"; then
2185 AC_CHECK_LIB(crypt, crypt)
2188 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
2189 # version in OpenSSL.
2190 if test "x$check_for_libcrypt_later" = "x1"; then
2191 AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
2194 # Search for SHA256 support in libc and/or OpenSSL
2195 AC_CHECK_FUNCS(SHA256_Update EVP_sha256)
2198 AC_CHECK_LIB(iaf, ia_openinfo, [
2200 AC_CHECK_FUNCS(set_id, [SSHDLIBS="$SSHDLIBS -liaf"
2201 AC_DEFINE(HAVE_LIBIAF, 1,
2202 [Define if system has libiaf that supports set_id])
2207 ### Configure cryptographic random number support
2209 # Check wheter OpenSSL seeds itself
2210 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
2214 #include <openssl/rand.h>
2215 int main(void) { exit(RAND_status() == 1 ? 0 : 1); }
2218 OPENSSL_SEEDS_ITSELF=yes
2223 # Default to use of the rand helper if OpenSSL doesn't
2228 AC_MSG_WARN([cross compiling: assuming yes])
2229 # This is safe, since all recent OpenSSL versions will
2230 # complain at runtime if not seeded correctly.
2231 OPENSSL_SEEDS_ITSELF=yes
2235 # Check for PAM libs
2238 [ --with-pam Enable PAM support ],
2240 if test "x$withval" != "xno" ; then
2241 if test "x$ac_cv_header_security_pam_appl_h" != "xyes" && \
2242 test "x$ac_cv_header_pam_pam_appl_h" != "xyes" ; then
2243 AC_MSG_ERROR([PAM headers not found])
2247 AC_CHECK_LIB(dl, dlopen, , )
2248 AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
2249 AC_CHECK_FUNCS(pam_getenvlist)
2250 AC_CHECK_FUNCS(pam_putenv)
2255 SSHDLIBS="$SSHDLIBS -lpam"
2256 AC_DEFINE(USE_PAM, 1,
2257 [Define if you want to enable PAM support])
2259 if test $ac_cv_lib_dl_dlopen = yes; then
2262 # libdl already in LIBS
2265 SSHDLIBS="$SSHDLIBS -ldl"
2273 # Check for older PAM
2274 if test "x$PAM_MSG" = "xyes" ; then
2275 # Check PAM strerror arguments (old PAM)
2276 AC_MSG_CHECKING([whether pam_strerror takes only one argument])
2280 #if defined(HAVE_SECURITY_PAM_APPL_H)
2281 #include <security/pam_appl.h>
2282 #elif defined (HAVE_PAM_PAM_APPL_H)
2283 #include <pam/pam_appl.h>
2286 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
2287 [AC_MSG_RESULT(no)],
2289 AC_DEFINE(HAVE_OLD_PAM, 1,
2290 [Define if you have an old version of PAM
2291 which takes only one argument to pam_strerror])
2293 PAM_MSG="yes (old library)"
2298 # Do we want to force the use of the rand helper?
2299 AC_ARG_WITH(rand-helper,
2300 [ --with-rand-helper Use subprocess to gather strong randomness ],
2302 if test "x$withval" = "xno" ; then
2303 # Force use of OpenSSL's internal RNG, even if
2304 # the previous test showed it to be unseeded.
2305 if test -z "$OPENSSL_SEEDS_ITSELF" ; then
2306 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
2307 OPENSSL_SEEDS_ITSELF=yes
2316 # Which randomness source do we use?
2317 if test ! -z "$OPENSSL_SEEDS_ITSELF" && test -z "$USE_RAND_HELPER" ; then
2319 AC_DEFINE(OPENSSL_PRNG_ONLY, 1,
2320 [Define if you want OpenSSL's internally seeded PRNG only])
2321 RAND_MSG="OpenSSL internal ONLY"
2322 INSTALL_SSH_RAND_HELPER=""
2323 elif test ! -z "$USE_RAND_HELPER" ; then
2324 # install rand helper
2325 RAND_MSG="ssh-rand-helper"
2326 INSTALL_SSH_RAND_HELPER="yes"
2328 AC_SUBST(INSTALL_SSH_RAND_HELPER)
2330 ### Configuration of ssh-rand-helper
2333 AC_ARG_WITH(prngd-port,
2334 [ --with-prngd-port=PORT read entropy from PRNGD/EGD TCP localhost:PORT],
2343 AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
2346 if test ! -z "$withval" ; then
2347 PRNGD_PORT="$withval"
2348 AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT,
2349 [Port number of PRNGD/EGD random number socket])
2354 # PRNGD Unix domain socket
2355 AC_ARG_WITH(prngd-socket,
2356 [ --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
2360 withval="/var/run/egd-pool"
2368 AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
2372 if test ! -z "$withval" ; then
2373 if test ! -z "$PRNGD_PORT" ; then
2374 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
2376 if test ! -r "$withval" ; then
2377 AC_MSG_WARN(Entropy socket is not readable)
2379 PRNGD_SOCKET="$withval"
2380 AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET",
2381 [Location of PRNGD/EGD random number socket])
2385 # Check for existing socket only if we don't have a random device already
2386 if test "$USE_RAND_HELPER" = yes ; then
2387 AC_MSG_CHECKING(for PRNGD/EGD socket)
2388 # Insert other locations here
2389 for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
2390 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
2391 PRNGD_SOCKET="$sock"
2392 AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
2396 if test ! -z "$PRNGD_SOCKET" ; then
2397 AC_MSG_RESULT($PRNGD_SOCKET)
2399 AC_MSG_RESULT(not found)
2405 # Change default command timeout for hashing entropy source
2407 AC_ARG_WITH(entropy-timeout,
2408 [ --with-entropy-timeout Specify entropy gathering command timeout (msec)],
2410 if test -n "$withval" && test "x$withval" != "xno" && \
2411 test "x${withval}" != "xyes"; then
2412 entropy_timeout=$withval
2416 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout,
2417 [Builtin PRNG command timeout])
2419 SSH_PRIVSEP_USER=sshd
2420 AC_ARG_WITH(privsep-user,
2421 [ --with-privsep-user=user Specify non-privileged user for privilege separation],
2423 if test -n "$withval" && test "x$withval" != "xno" && \
2424 test "x${withval}" != "xyes"; then
2425 SSH_PRIVSEP_USER=$withval
2429 AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$SSH_PRIVSEP_USER",
2430 [non-privileged user for privilege separation])
2431 AC_SUBST(SSH_PRIVSEP_USER)
2433 # We do this little dance with the search path to insure
2434 # that programs that we select for use by installed programs
2435 # (which may be run by the super-user) come from trusted
2436 # locations before they come from the user's private area.
2437 # This should help avoid accidentally configuring some
2438 # random version of a program in someone's personal bin.
2442 test -h /bin 2> /dev/null && PATH=/usr/bin
2443 test -d /sbin && PATH=$PATH:/sbin
2444 test -d /usr/sbin && PATH=$PATH:/usr/sbin
2445 PATH=$PATH:/etc:$OPATH
2447 # These programs are used by the command hashing source to gather entropy
2448 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
2449 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
2450 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
2451 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
2452 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
2453 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
2454 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
2455 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
2456 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
2457 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
2458 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
2459 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
2460 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
2461 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
2462 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
2463 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
2467 # Where does ssh-rand-helper get its randomness from?
2468 INSTALL_SSH_PRNG_CMDS=""
2469 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
2470 if test ! -z "$PRNGD_PORT" ; then
2471 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
2472 elif test ! -z "$PRNGD_SOCKET" ; then
2473 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
2475 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
2476 RAND_HELPER_CMDHASH=yes
2477 INSTALL_SSH_PRNG_CMDS="yes"
2480 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
2483 # Cheap hack to ensure NEWS-OS libraries are arranged right.
2484 if test ! -z "$SONY" ; then
2485 LIBS="$LIBS -liberty";
2488 # Check for long long datatypes
2489 AC_CHECK_TYPES([long long, unsigned long long, long double])
2491 # Check datatype sizes
2492 AC_CHECK_SIZEOF(char, 1)
2493 AC_CHECK_SIZEOF(short int, 2)
2494 AC_CHECK_SIZEOF(int, 4)
2495 AC_CHECK_SIZEOF(long int, 4)
2496 AC_CHECK_SIZEOF(long long int, 8)
2498 # Sanity check long long for some platforms (AIX)
2499 if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
2500 ac_cv_sizeof_long_long_int=0
2503 # compute LLONG_MIN and LLONG_MAX if we don't know them.
2504 if test -z "$have_llong_max"; then
2505 AC_MSG_CHECKING([for max value of long long])
2509 /* Why is this so damn hard? */
2513 #define __USE_ISOC99
2515 #define DATA "conftest.llminmax"
2516 #define my_abs(a) ((a) < 0 ? ((a) * -1) : (a))
2519 * printf in libc on some platforms (eg old Tru64) does not understand %lld so
2520 * we do this the hard way.
2523 fprint_ll(FILE *f, long long n)
2526 int l[sizeof(long long) * 8];
2529 if (fprintf(f, "-") < 0)
2531 for (i = 0; n != 0; i++) {
2532 l[i] = my_abs(n % 10);
2536 if (fprintf(f, "%d", l[--i]) < 0)
2539 if (fprintf(f, " ") < 0)
2546 long long i, llmin, llmax = 0;
2548 if((f = fopen(DATA,"w")) == NULL)
2551 #if defined(LLONG_MIN) && defined(LLONG_MAX)
2552 fprintf(stderr, "Using system header for LLONG_MIN and LLONG_MAX\n");
2556 fprintf(stderr, "Calculating LLONG_MIN and LLONG_MAX\n");
2557 /* This will work on one's complement and two's complement */
2558 for (i = 1; i > llmax; i <<= 1, i++)
2560 llmin = llmax + 1LL; /* wrap */
2564 if (llmin + 1 < llmin || llmin - 1 < llmin || llmax + 1 > llmax
2565 || llmax - 1 > llmax || llmin == llmax || llmin == 0
2566 || llmax == 0 || llmax < LONG_MAX || llmin > LONG_MIN) {
2567 fprintf(f, "unknown unknown\n");
2571 if (fprint_ll(f, llmin) < 0)
2573 if (fprint_ll(f, llmax) < 0)
2581 llong_min=`$AWK '{print $1}' conftest.llminmax`
2582 llong_max=`$AWK '{print $2}' conftest.llminmax`
2584 AC_MSG_RESULT($llong_max)
2585 AC_DEFINE_UNQUOTED(LLONG_MAX, [${llong_max}LL],
2586 [max value of long long calculated by configure])
2587 AC_MSG_CHECKING([for min value of long long])
2588 AC_MSG_RESULT($llong_min)
2589 AC_DEFINE_UNQUOTED(LLONG_MIN, [${llong_min}LL],
2590 [min value of long long calculated by configure])
2593 AC_MSG_RESULT(not found)
2596 AC_MSG_WARN([cross compiling: not checking])
2602 # More checks for data types
2603 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
2605 [ #include <sys/types.h> ],
2607 [ ac_cv_have_u_int="yes" ],
2608 [ ac_cv_have_u_int="no" ]
2611 if test "x$ac_cv_have_u_int" = "xyes" ; then
2612 AC_DEFINE(HAVE_U_INT, 1, [define if you have u_int data type])
2616 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
2618 [ #include <sys/types.h> ],
2619 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
2620 [ ac_cv_have_intxx_t="yes" ],
2621 [ ac_cv_have_intxx_t="no" ]
2624 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
2625 AC_DEFINE(HAVE_INTXX_T, 1, [define if you have intxx_t data type])
2629 if (test -z "$have_intxx_t" && \
2630 test "x$ac_cv_header_stdint_h" = "xyes")
2632 AC_MSG_CHECKING([for intXX_t types in stdint.h])
2634 [ #include <stdint.h> ],
2635 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
2637 AC_DEFINE(HAVE_INTXX_T)
2640 [ AC_MSG_RESULT(no) ]
2644 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
2647 #include <sys/types.h>
2648 #ifdef HAVE_STDINT_H
2649 # include <stdint.h>
2651 #include <sys/socket.h>
2652 #ifdef HAVE_SYS_BITYPES_H
2653 # include <sys/bitypes.h>
2656 [ int64_t a; a = 1;],
2657 [ ac_cv_have_int64_t="yes" ],
2658 [ ac_cv_have_int64_t="no" ]
2661 if test "x$ac_cv_have_int64_t" = "xyes" ; then
2662 AC_DEFINE(HAVE_INT64_T, 1, [define if you have int64_t data type])
2665 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
2667 [ #include <sys/types.h> ],
2668 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
2669 [ ac_cv_have_u_intxx_t="yes" ],
2670 [ ac_cv_have_u_intxx_t="no" ]
2673 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
2674 AC_DEFINE(HAVE_U_INTXX_T, 1, [define if you have u_intxx_t data type])
2678 if test -z "$have_u_intxx_t" ; then
2679 AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
2681 [ #include <sys/socket.h> ],
2682 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
2684 AC_DEFINE(HAVE_U_INTXX_T)
2687 [ AC_MSG_RESULT(no) ]
2691 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
2693 [ #include <sys/types.h> ],
2694 [ u_int64_t a; a = 1;],
2695 [ ac_cv_have_u_int64_t="yes" ],
2696 [ ac_cv_have_u_int64_t="no" ]
2699 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
2700 AC_DEFINE(HAVE_U_INT64_T, 1, [define if you have u_int64_t data type])
2704 if test -z "$have_u_int64_t" ; then
2705 AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
2707 [ #include <sys/bitypes.h> ],
2708 [ u_int64_t a; a = 1],
2710 AC_DEFINE(HAVE_U_INT64_T)
2713 [ AC_MSG_RESULT(no) ]
2717 if test -z "$have_u_intxx_t" ; then
2718 AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
2721 #include <sys/types.h>
2723 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
2724 [ ac_cv_have_uintxx_t="yes" ],
2725 [ ac_cv_have_uintxx_t="no" ]
2728 if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
2729 AC_DEFINE(HAVE_UINTXX_T, 1,
2730 [define if you have uintxx_t data type])
2734 if test -z "$have_uintxx_t" ; then
2735 AC_MSG_CHECKING([for uintXX_t types in stdint.h])
2737 [ #include <stdint.h> ],
2738 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
2740 AC_DEFINE(HAVE_UINTXX_T)
2743 [ AC_MSG_RESULT(no) ]
2747 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
2748 test "x$ac_cv_header_sys_bitypes_h" = "xyes")
2750 AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
2753 #include <sys/bitypes.h>
2756 int8_t a; int16_t b; int32_t c;
2757 u_int8_t e; u_int16_t f; u_int32_t g;
2758 a = b = c = e = f = g = 1;
2761 AC_DEFINE(HAVE_U_INTXX_T)
2762 AC_DEFINE(HAVE_INTXX_T)
2770 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
2773 #include <sys/types.h>
2775 [ u_char foo; foo = 125; ],
2776 [ ac_cv_have_u_char="yes" ],
2777 [ ac_cv_have_u_char="no" ]
2780 if test "x$ac_cv_have_u_char" = "xyes" ; then
2781 AC_DEFINE(HAVE_U_CHAR, 1, [define if you have u_char data type])
2786 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
2788 AC_CHECK_TYPES(in_addr_t,,,
2789 [#include <sys/types.h>
2790 #include <netinet/in.h>])
2792 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
2795 #include <sys/types.h>
2797 [ size_t foo; foo = 1235; ],
2798 [ ac_cv_have_size_t="yes" ],
2799 [ ac_cv_have_size_t="no" ]
2802 if test "x$ac_cv_have_size_t" = "xyes" ; then
2803 AC_DEFINE(HAVE_SIZE_T, 1, [define if you have size_t data type])
2806 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
2809 #include <sys/types.h>
2811 [ ssize_t foo; foo = 1235; ],
2812 [ ac_cv_have_ssize_t="yes" ],
2813 [ ac_cv_have_ssize_t="no" ]
2816 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
2817 AC_DEFINE(HAVE_SSIZE_T, 1, [define if you have ssize_t data type])
2820 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
2825 [ clock_t foo; foo = 1235; ],
2826 [ ac_cv_have_clock_t="yes" ],
2827 [ ac_cv_have_clock_t="no" ]
2830 if test "x$ac_cv_have_clock_t" = "xyes" ; then
2831 AC_DEFINE(HAVE_CLOCK_T, 1, [define if you have clock_t data type])
2834 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
2837 #include <sys/types.h>
2838 #include <sys/socket.h>
2840 [ sa_family_t foo; foo = 1235; ],
2841 [ ac_cv_have_sa_family_t="yes" ],
2844 #include <sys/types.h>
2845 #include <sys/socket.h>
2846 #include <netinet/in.h>
2848 [ sa_family_t foo; foo = 1235; ],
2849 [ ac_cv_have_sa_family_t="yes" ],
2851 [ ac_cv_have_sa_family_t="no" ]
2855 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
2856 AC_DEFINE(HAVE_SA_FAMILY_T, 1,
2857 [define if you have sa_family_t data type])
2860 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
2863 #include <sys/types.h>
2865 [ pid_t foo; foo = 1235; ],
2866 [ ac_cv_have_pid_t="yes" ],
2867 [ ac_cv_have_pid_t="no" ]
2870 if test "x$ac_cv_have_pid_t" = "xyes" ; then
2871 AC_DEFINE(HAVE_PID_T, 1, [define if you have pid_t data type])
2874 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
2877 #include <sys/types.h>
2879 [ mode_t foo; foo = 1235; ],
2880 [ ac_cv_have_mode_t="yes" ],
2881 [ ac_cv_have_mode_t="no" ]
2884 if test "x$ac_cv_have_mode_t" = "xyes" ; then
2885 AC_DEFINE(HAVE_MODE_T, 1, [define if you have mode_t data type])
2889 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
2892 #include <sys/types.h>
2893 #include <sys/socket.h>
2895 [ struct sockaddr_storage s; ],
2896 [ ac_cv_have_struct_sockaddr_storage="yes" ],
2897 [ ac_cv_have_struct_sockaddr_storage="no" ]
2900 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
2901 AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE, 1,
2902 [define if you have struct sockaddr_storage data type])
2905 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
2908 #include <sys/types.h>
2909 #include <netinet/in.h>
2911 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
2912 [ ac_cv_have_struct_sockaddr_in6="yes" ],
2913 [ ac_cv_have_struct_sockaddr_in6="no" ]
2916 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
2917 AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6, 1,
2918 [define if you have struct sockaddr_in6 data type])
2921 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
2924 #include <sys/types.h>
2925 #include <netinet/in.h>
2927 [ struct in6_addr s; s.s6_addr[0] = 0; ],
2928 [ ac_cv_have_struct_in6_addr="yes" ],
2929 [ ac_cv_have_struct_in6_addr="no" ]
2932 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
2933 AC_DEFINE(HAVE_STRUCT_IN6_ADDR, 1,
2934 [define if you have struct in6_addr data type])
2937 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
2940 #include <sys/types.h>
2941 #include <sys/socket.h>
2944 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
2945 [ ac_cv_have_struct_addrinfo="yes" ],
2946 [ ac_cv_have_struct_addrinfo="no" ]
2949 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
2950 AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1,
2951 [define if you have struct addrinfo data type])
2954 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
2956 [ #include <sys/time.h> ],
2957 [ struct timeval tv; tv.tv_sec = 1;],
2958 [ ac_cv_have_struct_timeval="yes" ],
2959 [ ac_cv_have_struct_timeval="no" ]
2962 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
2963 AC_DEFINE(HAVE_STRUCT_TIMEVAL, 1, [define if you have struct timeval])
2964 have_struct_timeval=1
2967 AC_CHECK_TYPES(struct timespec)
2969 # We need int64_t or else certian parts of the compile will fail.
2970 if test "x$ac_cv_have_int64_t" = "xno" && \
2971 test "x$ac_cv_sizeof_long_int" != "x8" && \
2972 test "x$ac_cv_sizeof_long_long_int" = "x0" ; then
2973 echo "OpenSSH requires int64_t support. Contact your vendor or install"
2974 echo "an alternative compiler (I.E., GCC) before continuing."
2978 dnl test snprintf (broken on SCO w/gcc)
2983 #ifdef HAVE_SNPRINTF
2987 char expected_out[50];
2989 #if (SIZEOF_LONG_INT == 8)
2990 long int num = 0x7fffffffffffffff;
2992 long long num = 0x7fffffffffffffffll;
2994 strcpy(expected_out, "9223372036854775807");
2995 snprintf(buf, mazsize, "%lld", num);
2996 if(strcmp(buf, expected_out) != 0)
3003 ]])], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ],
3004 AC_MSG_WARN([cross compiling: Assuming working snprintf()])
3008 dnl Checks for structure members
3009 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
3010 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
3011 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
3012 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
3013 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
3014 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
3015 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
3016 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
3017 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
3018 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
3019 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
3020 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
3021 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
3022 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
3023 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
3024 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
3025 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
3027 AC_CHECK_MEMBERS([struct stat.st_blksize])
3028 AC_CHECK_MEMBER([struct __res_state.retrans], [], [AC_DEFINE(__res_state, state,
3029 [Define if we don't have struct __res_state in resolv.h])],
3032 #if HAVE_SYS_TYPES_H
3033 # include <sys/types.h>
3035 #include <netinet/in.h>
3036 #include <arpa/nameser.h>
3040 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
3041 ac_cv_have_ss_family_in_struct_ss, [
3044 #include <sys/types.h>
3045 #include <sys/socket.h>
3047 [ struct sockaddr_storage s; s.ss_family = 1; ],
3048 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
3049 [ ac_cv_have_ss_family_in_struct_ss="no" ],
3052 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
3053 AC_DEFINE(HAVE_SS_FAMILY_IN_SS, 1, [Fields in struct sockaddr_storage])
3056 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
3057 ac_cv_have___ss_family_in_struct_ss, [
3060 #include <sys/types.h>
3061 #include <sys/socket.h>
3063 [ struct sockaddr_storage s; s.__ss_family = 1; ],
3064 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
3065 [ ac_cv_have___ss_family_in_struct_ss="no" ]
3068 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
3069 AC_DEFINE(HAVE___SS_FAMILY_IN_SS, 1,
3070 [Fields in struct sockaddr_storage])
3073 AC_CACHE_CHECK([for pw_class field in struct passwd],
3074 ac_cv_have_pw_class_in_struct_passwd, [
3079 [ struct passwd p; p.pw_class = 0; ],
3080 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
3081 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
3084 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
3085 AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD, 1,
3086 [Define if your password has a pw_class field])
3089 AC_CACHE_CHECK([for pw_expire field in struct passwd],
3090 ac_cv_have_pw_expire_in_struct_passwd, [
3095 [ struct passwd p; p.pw_expire = 0; ],
3096 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
3097 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
3100 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
3101 AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD, 1,
3102 [Define if your password has a pw_expire field])
3105 AC_CACHE_CHECK([for pw_change field in struct passwd],
3106 ac_cv_have_pw_change_in_struct_passwd, [
3111 [ struct passwd p; p.pw_change = 0; ],
3112 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
3113 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
3116 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
3117 AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD, 1,
3118 [Define if your password has a pw_change field])
3121 dnl make sure we're using the real structure members and not defines
3122 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
3123 ac_cv_have_accrights_in_msghdr, [
3126 #include <sys/types.h>
3127 #include <sys/socket.h>
3128 #include <sys/uio.h>
3130 #ifdef msg_accrights
3131 #error "msg_accrights is a macro"
3135 m.msg_accrights = 0;
3139 [ ac_cv_have_accrights_in_msghdr="yes" ],
3140 [ ac_cv_have_accrights_in_msghdr="no" ]
3143 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
3144 AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR, 1,
3145 [Define if your system uses access rights style
3146 file descriptor passing])
3149 AC_CACHE_CHECK([for msg_control field in struct msghdr],
3150 ac_cv_have_control_in_msghdr, [
3153 #include <sys/types.h>
3154 #include <sys/socket.h>
3155 #include <sys/uio.h>
3158 #error "msg_control is a macro"
3166 [ ac_cv_have_control_in_msghdr="yes" ],
3167 [ ac_cv_have_control_in_msghdr="no" ]
3170 if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
3171 AC_DEFINE(HAVE_CONTROL_IN_MSGHDR, 1,
3172 [Define if your system uses ancillary data style
3173 file descriptor passing])
3176 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
3178 [ extern char *__progname; printf("%s", __progname); ],
3179 [ ac_cv_libc_defines___progname="yes" ],
3180 [ ac_cv_libc_defines___progname="no" ]
3183 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
3184 AC_DEFINE(HAVE___PROGNAME, 1, [Define if libc defines __progname])
3187 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
3191 [ printf("%s", __FUNCTION__); ],
3192 [ ac_cv_cc_implements___FUNCTION__="yes" ],
3193 [ ac_cv_cc_implements___FUNCTION__="no" ]
3196 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
3197 AC_DEFINE(HAVE___FUNCTION__, 1,
3198 [Define if compiler implements __FUNCTION__])
3201 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
3205 [ printf("%s", __func__); ],
3206 [ ac_cv_cc_implements___func__="yes" ],
3207 [ ac_cv_cc_implements___func__="no" ]
3210 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
3211 AC_DEFINE(HAVE___func__, 1, [Define if compiler implements __func__])
3214 AC_CACHE_CHECK([whether va_copy exists], ac_cv_have_va_copy, [
3216 [#include <stdarg.h>
3219 [ ac_cv_have_va_copy="yes" ],
3220 [ ac_cv_have_va_copy="no" ]
3223 if test "x$ac_cv_have_va_copy" = "xyes" ; then
3224 AC_DEFINE(HAVE_VA_COPY, 1, [Define if va_copy exists])
3227 AC_CACHE_CHECK([whether __va_copy exists], ac_cv_have___va_copy, [
3229 [#include <stdarg.h>
3232 [ ac_cv_have___va_copy="yes" ],
3233 [ ac_cv_have___va_copy="no" ]
3236 if test "x$ac_cv_have___va_copy" = "xyes" ; then
3237 AC_DEFINE(HAVE___VA_COPY, 1, [Define if __va_copy exists])
3240 AC_CACHE_CHECK([whether getopt has optreset support],
3241 ac_cv_have_getopt_optreset, [
3246 [ extern int optreset; optreset = 0; ],
3247 [ ac_cv_have_getopt_optreset="yes" ],
3248 [ ac_cv_have_getopt_optreset="no" ]
3251 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
3252 AC_DEFINE(HAVE_GETOPT_OPTRESET, 1,
3253 [Define if your getopt(3) defines and uses optreset])
3256 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
3258 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
3259 [ ac_cv_libc_defines_sys_errlist="yes" ],
3260 [ ac_cv_libc_defines_sys_errlist="no" ]
3263 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
3264 AC_DEFINE(HAVE_SYS_ERRLIST, 1,
3265 [Define if your system defines sys_errlist[]])
3269 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
3271 [ extern int sys_nerr; printf("%i", sys_nerr);],
3272 [ ac_cv_libc_defines_sys_nerr="yes" ],
3273 [ ac_cv_libc_defines_sys_nerr="no" ]
3276 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
3277 AC_DEFINE(HAVE_SYS_NERR, 1, [Define if your system defines sys_nerr])
3281 # Check whether user wants sectok support
3283 [ --with-sectok Enable smartcard support using libsectok],
3285 if test "x$withval" != "xno" ; then
3286 if test "x$withval" != "xyes" ; then
3287 CPPFLAGS="$CPPFLAGS -I${withval}"
3288 LDFLAGS="$LDFLAGS -L${withval}"
3289 if test ! -z "$need_dash_r" ; then
3290 LDFLAGS="$LDFLAGS -R${withval}"
3292 if test ! -z "$blibpath" ; then
3293 blibpath="$blibpath:${withval}"
3296 AC_CHECK_HEADERS(sectok.h)
3297 if test "$ac_cv_header_sectok_h" != yes; then
3298 AC_MSG_ERROR(Can't find sectok.h)
3300 AC_CHECK_LIB(sectok, sectok_open)
3301 if test "$ac_cv_lib_sectok_sectok_open" != yes; then
3302 AC_MSG_ERROR(Can't find libsectok)
3304 AC_DEFINE(SMARTCARD, 1,
3305 [Define if you want smartcard support])
3306 AC_DEFINE(USE_SECTOK, 1,
3307 [Define if you want smartcard support
3309 SCARD_MSG="yes, using sectok"
3314 # Check whether user wants OpenSC support
3317 [ --with-opensc[[=PFX]] Enable smartcard support using OpenSC (optionally in PATH)],
3319 if test "x$withval" != "xno" ; then
3320 if test "x$withval" != "xyes" ; then
3321 OPENSC_CONFIG=$withval/bin/opensc-config
3323 AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
3325 if test "$OPENSC_CONFIG" != "no"; then
3326 LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
3327 LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
3328 CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
3329 LIBS="$LIBS $LIBOPENSC_LIBS"
3330 AC_DEFINE(SMARTCARD)
3331 AC_DEFINE(USE_OPENSC, 1,
3332 [Define if you want smartcard support
3334 SCARD_MSG="yes, using OpenSC"
3340 # Check libraries needed by DNS fingerprint support
3341 AC_SEARCH_LIBS(getrrsetbyname, resolv,
3342 [AC_DEFINE(HAVE_GETRRSETBYNAME, 1,
3343 [Define if getrrsetbyname() exists])],
3345 # Needed by our getrrsetbyname()
3346 AC_SEARCH_LIBS(res_query, resolv)
3347 AC_SEARCH_LIBS(dn_expand, resolv)
3348 AC_MSG_CHECKING(if res_query will link)
3349 AC_TRY_LINK_FUNC(res_query, AC_MSG_RESULT(yes),
3352 LIBS="$LIBS -lresolv"
3353 AC_MSG_CHECKING(for res_query in -lresolv)
3358 res_query (0, 0, 0, 0, 0);
3362 [LIBS="$LIBS -lresolv"
3363 AC_MSG_RESULT(yes)],
3367 AC_CHECK_FUNCS(_getshort _getlong)
3368 AC_CHECK_DECLS([_getshort, _getlong], , ,
3369 [#include <sys/types.h>
3370 #include <arpa/nameser.h>])
3371 AC_CHECK_MEMBER(HEADER.ad,
3372 [AC_DEFINE(HAVE_HEADER_AD, 1,
3373 [Define if HEADER.ad exists in arpa/nameser.h])],,
3374 [#include <arpa/nameser.h>])
3377 AC_MSG_CHECKING(if struct __res_state _res is an extern)
3380 #if HAVE_SYS_TYPES_H
3381 # include <sys/types.h>
3383 #include <netinet/in.h>
3384 #include <arpa/nameser.h>
3386 extern struct __res_state _res;
3387 int main() { return 0; }
3390 AC_DEFINE(HAVE__RES_EXTERN, 1,
3391 [Define if you have struct __res_state _res as an extern])
3393 [ AC_MSG_RESULT(no) ]
3396 # Check whether user wants SELinux support
3399 AC_ARG_WITH(selinux,
3400 [ --with-selinux Enable SELinux support],
3401 [ if test "x$withval" != "xno" ; then
3403 AC_DEFINE(WITH_SELINUX,1,[Define if you want SELinux support.])
3405 AC_CHECK_HEADER([selinux/selinux.h], ,
3406 AC_MSG_ERROR(SELinux support requires selinux.h header))
3407 AC_CHECK_LIB(selinux, setexeccon, [ LIBSELINUX="-lselinux" ],
3408 AC_MSG_ERROR(SELinux support requires libselinux library))
3409 SSHDLIBS="$SSHDLIBS $LIBSELINUX"
3410 AC_CHECK_FUNCS(getseuserbyname get_default_context_with_level)
3415 # Finish configuring Globus GSSAPI
3416 if test "x$gsi_path" != "xno" ; then
3417 if test ! -z "$need_dash_r" ; then
3418 LDFLAGS="$LDFLAGS -R${gsi_path}/lib"
3420 if test ! -z "$blibpath" ; then
3421 blibpath="$blibpath:${gsi_path}/lib"
3425 # Check whether the user wants GSSAPI mechglue support
3426 AC_ARG_WITH(mechglue,
3427 [ --with-mechglue=PATH Build with GSSAPI mechglue library],
3429 AC_MSG_CHECKING(for mechglue library)
3431 if test -e ${withval}/libgssapi.a ; then
3432 mechglue_lib=${withval}/libgssapi.a
3433 elif test -e ${withval}/lib/libgssapi.a ; then
3434 mechglue_lib=${withval}/lib/libgssapi.a
3436 AC_MSG_ERROR("Can't find libgssapi in ${withval}");
3438 LIBS="${mechglue_lib} $LIBS"
3439 AC_MSG_RESULT(${mechglue_lib})
3441 AC_CHECK_LIB(dl, dlopen, , )
3442 if test $ac_cv_lib_dl_dlopen = yes; then
3443 LDFLAGS="$LDFLAGS -ldl -Wl,-Bsymbolic"
3447 AC_DEFINE(MECHGLUE, 1, [Define this if you're building with GSSAPI MechGlue.])
3453 # Check whether user wants Kerberos 5 support
3455 AC_ARG_WITH(kerberos5,
3456 [ --with-kerberos5=PATH Enable Kerberos 5 support],
3457 [ if test "x$withval" != "xno" ; then
3458 if test "x$withval" = "xyes" ; then
3459 KRB5ROOT="/usr/local"
3464 AC_DEFINE(KRB5, 1, [Define if you want Kerberos 5 support])
3467 AC_MSG_CHECKING(for krb5-config)
3468 if test -x $KRB5ROOT/bin/krb5-config ; then
3469 KRB5CONF=$KRB5ROOT/bin/krb5-config
3470 AC_MSG_RESULT($KRB5CONF)
3472 AC_MSG_CHECKING(for gssapi support)
3473 if $KRB5CONF | grep gssapi >/dev/null ; then
3475 AC_DEFINE(GSSAPI, 1,
3476 [Define this if you want GSSAPI
3477 support in the version 2 protocol])
3483 K5CFLAGS="`$KRB5CONF --cflags $k5confopts`"
3484 K5LIBS="`$KRB5CONF --libs $k5confopts`"
3485 CPPFLAGS="$CPPFLAGS $K5CFLAGS"
3486 AC_MSG_CHECKING(whether we are using Heimdal)
3487 AC_TRY_COMPILE([ #include <krb5.h> ],
3488 [ char *tmp = heimdal_version; ],
3489 [ AC_MSG_RESULT(yes)
3490 AC_DEFINE(HEIMDAL, 1,
3491 [Define this if you are using the
3492 Heimdal version of Kerberos V5]) ],
3497 CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
3498 LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
3499 AC_MSG_CHECKING(whether we are using Heimdal)
3500 AC_TRY_COMPILE([ #include <krb5.h> ],
3501 [ char *tmp = heimdal_version; ],
3502 [ AC_MSG_RESULT(yes)
3504 K5LIBS="-lkrb5 -ldes"
3505 K5LIBS="$K5LIBS -lcom_err -lasn1"
3506 AC_CHECK_LIB(roken, net_write,
3507 [K5LIBS="$K5LIBS -lroken"])
3510 K5LIBS="-lkrb5 -lk5crypto -lcom_err"
3513 AC_SEARCH_LIBS(dn_expand, resolv)
3515 AC_CHECK_LIB(gssapi,gss_init_sec_context,
3517 K5LIBS="-lgssapi $K5LIBS" ],
3518 [ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
3520 K5LIBS="-lgssapi_krb5 $K5LIBS" ],
3521 AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
3526 AC_CHECK_HEADER(gssapi.h, ,
3527 [ unset ac_cv_header_gssapi_h
3528 CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
3529 AC_CHECK_HEADERS(gssapi.h, ,
3530 AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
3536 CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
3537 AC_CHECK_HEADER(gssapi_krb5.h, ,
3538 [ CPPFLAGS="$oldCPP" ])
3540 # If we're using some other GSSAPI
3541 if test "$GSSAPI" -a "$GSSAPI" != "mechglue"; then
3542 AC_MSG_ERROR([$GSSAPI GSSAPI library conflicts with Kerberos support. Use mechglue instead.])
3545 if test -z "$GSSAPI"; then
3550 CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
3551 AC_CHECK_HEADER(gssapi_krb5.h, ,
3552 [ CPPFLAGS="$oldCPP" ])
3555 if test ! -z "$need_dash_r" ; then
3556 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
3558 if test ! -z "$blibpath" ; then
3559 blibpath="$blibpath:${KRB5ROOT}/lib"
3562 AC_CHECK_HEADERS(gssapi.h gssapi/gssapi.h)
3563 AC_CHECK_HEADERS(gssapi_krb5.h gssapi/gssapi_krb5.h)
3564 AC_CHECK_HEADERS(gssapi_generic.h gssapi/gssapi_generic.h)
3566 LIBS="$LIBS $K5LIBS"
3567 AC_SEARCH_LIBS(k_hasafs, kafs, AC_DEFINE(USE_AFS, 1,
3568 [Define this if you want to use libkafs' AFS support]))
3573 # Check whether user wants AFS_KRB5 support
3575 AC_ARG_WITH(afs-krb5,
3576 [ --with-afs-krb5[[=AKLOG_PATH]] Enable aklog to get token (default=/usr/bin/aklog).],
3578 if test "x$withval" != "xno" ; then
3580 if test "x$withval" != "xyes" ; then
3581 AC_DEFINE_UNQUOTED(AKLOG_PATH, "$withval",
3582 [Define this if you want to use AFS/Kerberos 5 option, which runs aklog.])
3584 AC_DEFINE_UNQUOTED(AKLOG_PATH,
3586 [Define this if you want to use AFS/Kerberos 5 option, which runs aklog.])
3589 if test -z "$KRB5ROOT" ; then
3590 AC_MSG_WARN([AFS_KRB5 requires Kerberos 5 support, build may fail])
3593 LIBS="-lkrbafs -lkrb4 $LIBS"
3594 if test ! -z "$AFS_LIBS" ; then
3595 LIBS="$LIBS $AFS_LIBS"
3597 AC_DEFINE(AFS_KRB5, 1,
3598 [Define this if you want to use AFS/Kerberos 5 option, which runs aklog.])
3604 AC_ARG_WITH(session-hooks,
3605 [ --with-session-hooks Enable hooks for executing external commands before/after a session],
3606 [ AC_DEFINE(SESSION_HOOKS, 1, [Define this if you want support for startup/shutdown hooks]) ]
3609 # Looking for programs, paths and files
3611 PRIVSEP_PATH=/var/empty
3612 AC_ARG_WITH(privsep-path,
3613 [ --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)],
3615 if test -n "$withval" && test "x$withval" != "xno" && \
3616 test "x${withval}" != "xyes"; then
3617 PRIVSEP_PATH=$withval
3621 AC_SUBST(PRIVSEP_PATH)
3624 [ --with-xauth=PATH Specify path to xauth program ],
3626 if test -n "$withval" && test "x$withval" != "xno" && \
3627 test "x${withval}" != "xyes"; then
3633 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X/bin"
3634 TestPath="${TestPath}${PATH_SEPARATOR}/usr/bin/X11"
3635 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X11R6/bin"
3636 TestPath="${TestPath}${PATH_SEPARATOR}/usr/openwin/bin"
3637 AC_PATH_PROG(xauth_path, xauth, , $TestPath)
3638 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
3639 xauth_path="/usr/openwin/bin/xauth"
3645 AC_ARG_ENABLE(strip,
3646 [ --disable-strip Disable calling strip(1) on install],
3648 if test "x$enableval" = "xno" ; then
3655 if test -z "$xauth_path" ; then
3656 XAUTH_PATH="undefined"
3657 AC_SUBST(XAUTH_PATH)
3659 AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path",
3660 [Define if xauth is found in your path])
3661 XAUTH_PATH=$xauth_path
3662 AC_SUBST(XAUTH_PATH)
3665 # Check for mail directory (last resort if we cannot get it from headers)
3666 if test ! -z "$MAIL" ; then
3667 maildir=`dirname $MAIL`
3668 AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir",
3669 [Set this to your mail directory if you don't have maillock.h])
3672 if test ! -z "$cross_compiling" && test "x$cross_compiling" = "xyes"; then
3673 AC_MSG_WARN([cross compiling: Disabling /dev/ptmx test])
3674 disable_ptmx_check=yes
3676 if test -z "$no_dev_ptmx" ; then
3677 if test "x$disable_ptmx_check" != "xyes" ; then
3678 AC_CHECK_FILE("/dev/ptmx",
3680 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX, 1,
3681 [Define if you have /dev/ptmx])
3688 if test ! -z "$cross_compiling" && test "x$cross_compiling" != "xyes"; then
3689 AC_CHECK_FILE("/dev/ptc",
3691 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC, 1,
3692 [Define if you have /dev/ptc])
3697 AC_MSG_WARN([cross compiling: Disabling /dev/ptc test])
3700 # Options from here on. Some of these are preset by platform above
3701 AC_ARG_WITH(mantype,
3702 [ --with-mantype=man|cat|doc Set man page type],
3709 AC_MSG_ERROR(invalid man type: $withval)
3714 if test -z "$MANTYPE"; then
3715 TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb"
3716 AC_PATH_PROGS(NROFF, nroff awf, /bin/false, $TestPath)
3717 if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
3719 elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
3726 if test "$MANTYPE" = "doc"; then
3733 # Check whether to enable MD5 passwords
3735 AC_ARG_WITH(md5-passwords,
3736 [ --with-md5-passwords Enable use of MD5 passwords],
3738 if test "x$withval" != "xno" ; then
3739 AC_DEFINE(HAVE_MD5_PASSWORDS, 1,
3740 [Define if you want to allow MD5 passwords])
3746 # Whether to disable shadow password support
3748 [ --without-shadow Disable shadow password support],
3750 if test "x$withval" = "xno" ; then
3751 AC_DEFINE(DISABLE_SHADOW)
3757 if test -z "$disable_shadow" ; then
3758 AC_MSG_CHECKING([if the systems has expire shadow information])
3761 #include <sys/types.h>
3764 ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
3765 [ sp_expire_available=yes ], []
3768 if test "x$sp_expire_available" = "xyes" ; then
3770 AC_DEFINE(HAS_SHADOW_EXPIRE, 1,
3771 [Define if you want to use shadow password expire field])
3777 # Use ip address instead of hostname in $DISPLAY
3778 if test ! -z "$IPADDR_IN_DISPLAY" ; then
3779 DISPLAY_HACK_MSG="yes"
3780 AC_DEFINE(IPADDR_IN_DISPLAY, 1,
3781 [Define if you need to use IP address
3782 instead of hostname in $DISPLAY])
3784 DISPLAY_HACK_MSG="no"
3785 AC_ARG_WITH(ipaddr-display,
3786 [ --with-ipaddr-display Use ip address instead of hostname in \$DISPLAY],
3788 if test "x$withval" != "xno" ; then
3789 AC_DEFINE(IPADDR_IN_DISPLAY)
3790 DISPLAY_HACK_MSG="yes"
3796 # check for /etc/default/login and use it if present.
3797 AC_ARG_ENABLE(etc-default-login,
3798 [ --disable-etc-default-login Disable using PATH from /etc/default/login [no]],
3799 [ if test "x$enableval" = "xno"; then
3800 AC_MSG_NOTICE([/etc/default/login handling disabled])
3801 etc_default_login=no
3803 etc_default_login=yes
3805 [ if test ! -z "$cross_compiling" && test "x$cross_compiling" = "xyes";
3807 AC_MSG_WARN([cross compiling: not checking /etc/default/login])
3808 etc_default_login=no
3810 etc_default_login=yes
3814 if test "x$etc_default_login" != "xno"; then
3815 AC_CHECK_FILE("/etc/default/login",
3816 [ external_path_file=/etc/default/login ])
3817 if test "x$external_path_file" = "x/etc/default/login"; then
3818 AC_DEFINE(HAVE_ETC_DEFAULT_LOGIN, 1,
3819 [Define if your system has /etc/default/login])
3823 dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
3824 if test $ac_cv_func_login_getcapbool = "yes" && \
3825 test $ac_cv_header_login_cap_h = "yes" ; then
3826 external_path_file=/etc/login.conf
3829 # Whether to mess with the default path
3830 SERVER_PATH_MSG="(default)"
3831 AC_ARG_WITH(default-path,
3832 [ --with-default-path= Specify default \$PATH environment for server],
3834 if test "x$external_path_file" = "x/etc/login.conf" ; then
3836 --with-default-path=PATH has no effect on this system.
3837 Edit /etc/login.conf instead.])
3838 elif test "x$withval" != "xno" ; then
3839 if test ! -z "$external_path_file" ; then
3841 --with-default-path=PATH will only be used if PATH is not defined in
3842 $external_path_file .])
3844 user_path="$withval"
3845 SERVER_PATH_MSG="$withval"
3848 [ if test "x$external_path_file" = "x/etc/login.conf" ; then
3849 AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
3851 if test ! -z "$external_path_file" ; then
3853 If PATH is defined in $external_path_file, ensure the path to scp is included,
3854 otherwise scp will not work.])
3858 /* find out what STDPATH is */
3863 #ifndef _PATH_STDPATH
3864 # ifdef _PATH_USERPATH /* Irix */
3865 # define _PATH_STDPATH _PATH_USERPATH
3867 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
3870 #include <sys/types.h>
3871 #include <sys/stat.h>
3873 #define DATA "conftest.stdpath"
3880 fd = fopen(DATA,"w");
3884 if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
3890 [ user_path=`cat conftest.stdpath` ],
3891 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
3892 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
3894 # make sure $bindir is in USER_PATH so scp will work
3895 t_bindir=`eval echo ${bindir}`
3897 NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
3900 NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
3902 echo $user_path | grep ":$t_bindir" > /dev/null 2>&1
3903 if test $? -ne 0 ; then
3904 echo $user_path | grep "^$t_bindir" > /dev/null 2>&1
3905 if test $? -ne 0 ; then
3906 user_path=$user_path:$t_bindir
3907 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
3912 if test "x$external_path_file" != "x/etc/login.conf" ; then
3913 AC_DEFINE_UNQUOTED(USER_PATH, "$user_path", [Specify default $PATH])
3917 # Set superuser path separately to user path
3918 AC_ARG_WITH(superuser-path,
3919 [ --with-superuser-path= Specify different path for super-user],
3921 if test -n "$withval" && test "x$withval" != "xno" && \
3922 test "x${withval}" != "xyes"; then
3923 AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval",
3924 [Define if you want a different $PATH
3926 superuser_path=$withval
3932 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
3933 IPV4_IN6_HACK_MSG="no"
3935 [ --with-4in6 Check for and convert IPv4 in IPv6 mapped addresses],
3937 if test "x$withval" != "xno" ; then
3939 AC_DEFINE(IPV4_IN_IPV6, 1,
3940 [Detect IPv4 in IPv6 mapped addresses
3942 IPV4_IN6_HACK_MSG="yes"
3947 if test "x$inet6_default_4in6" = "xyes"; then
3948 AC_MSG_RESULT([yes (default)])
3949 AC_DEFINE(IPV4_IN_IPV6)
3950 IPV4_IN6_HACK_MSG="yes"
3952 AC_MSG_RESULT([no (default)])
3957 # Whether to enable BSD auth support
3959 AC_ARG_WITH(bsd-auth,
3960 [ --with-bsd-auth Enable BSD auth support],
3962 if test "x$withval" != "xno" ; then
3963 AC_DEFINE(BSD_AUTH, 1,
3964 [Define if you have BSD auth support])
3970 # Where to place sshd.pid
3972 # make sure the directory exists
3973 if test ! -d $piddir ; then
3974 piddir=`eval echo ${sysconfdir}`
3976 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
3980 AC_ARG_WITH(pid-dir,
3981 [ --with-pid-dir=PATH Specify location of ssh.pid file],
3983 if test -n "$withval" && test "x$withval" != "xno" && \
3984 test "x${withval}" != "xyes"; then
3986 if test ! -d $piddir ; then
3987 AC_MSG_WARN([** no $piddir directory on this system **])
3993 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir", [Specify location of ssh.pid])
3996 dnl allow user to disable some login recording features
3997 AC_ARG_ENABLE(lastlog,
3998 [ --disable-lastlog disable use of lastlog even if detected [no]],
4000 if test "x$enableval" = "xno" ; then
4001 AC_DEFINE(DISABLE_LASTLOG)
4006 [ --disable-utmp disable use of utmp even if detected [no]],
4008 if test "x$enableval" = "xno" ; then
4009 AC_DEFINE(DISABLE_UTMP)
4013 AC_ARG_ENABLE(utmpx,
4014 [ --disable-utmpx disable use of utmpx even if detected [no]],
4016 if test "x$enableval" = "xno" ; then
4017 AC_DEFINE(DISABLE_UTMPX, 1,
4018 [Define if you don't want to use utmpx])
4023 [ --disable-wtmp disable use of wtmp even if detected [no]],
4025 if test "x$enableval" = "xno" ; then
4026 AC_DEFINE(DISABLE_WTMP)
4030 AC_ARG_ENABLE(wtmpx,
4031 [ --disable-wtmpx disable use of wtmpx even if detected [no]],
4033 if test "x$enableval" = "xno" ; then
4034 AC_DEFINE(DISABLE_WTMPX, 1,
4035 [Define if you don't want to use wtmpx])
4039 AC_ARG_ENABLE(libutil,
4040 [ --disable-libutil disable use of libutil (login() etc.) [no]],
4042 if test "x$enableval" = "xno" ; then
4043 AC_DEFINE(DISABLE_LOGIN)
4047 AC_ARG_ENABLE(pututline,
4048 [ --disable-pututline disable use of pututline() etc. ([uw]tmp) [no]],
4050 if test "x$enableval" = "xno" ; then
4051 AC_DEFINE(DISABLE_PUTUTLINE, 1,
4052 [Define if you don't want to use pututline()
4053 etc. to write [uw]tmp])
4057 AC_ARG_ENABLE(pututxline,
4058 [ --disable-pututxline disable use of pututxline() etc. ([uw]tmpx) [no]],
4060 if test "x$enableval" = "xno" ; then
4061 AC_DEFINE(DISABLE_PUTUTXLINE, 1,
4062 [Define if you don't want to use pututxline()
4063 etc. to write [uw]tmpx])
4067 AC_ARG_WITH(lastlog,
4068 [ --with-lastlog=FILE|DIR specify lastlog location [common locations]],
4070 if test "x$withval" = "xno" ; then
4071 AC_DEFINE(DISABLE_LASTLOG)
4072 elif test -n "$withval" && test "x${withval}" != "xyes"; then
4073 conf_lastlog_location=$withval
4078 dnl lastlog, [uw]tmpx? detection
4079 dnl NOTE: set the paths in the platform section to avoid the
4080 dnl need for command-line parameters
4081 dnl lastlog and [uw]tmp are subject to a file search if all else fails
4083 dnl lastlog detection
4084 dnl NOTE: the code itself will detect if lastlog is a directory
4085 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
4087 #include <sys/types.h>
4089 #ifdef HAVE_LASTLOG_H
4090 # include <lastlog.h>
4099 [ char *lastlog = LASTLOG_FILE; ],
4100 [ AC_MSG_RESULT(yes) ],
4103 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
4105 #include <sys/types.h>
4107 #ifdef HAVE_LASTLOG_H
4108 # include <lastlog.h>
4114 [ char *lastlog = _PATH_LASTLOG; ],
4115 [ AC_MSG_RESULT(yes) ],
4118 system_lastlog_path=no
4123 if test -z "$conf_lastlog_location"; then
4124 if test x"$system_lastlog_path" = x"no" ; then
4125 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
4126 if (test -d "$f" || test -f "$f") ; then
4127 conf_lastlog_location=$f
4130 if test -z "$conf_lastlog_location"; then
4131 AC_MSG_WARN([** Cannot find lastlog **])
4132 dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
4137 if test -n "$conf_lastlog_location"; then
4138 AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location",
4139 [Define if you want to specify the path to your lastlog file])
4143 AC_MSG_CHECKING([if your system defines UTMP_FILE])
4145 #include <sys/types.h>
4151 [ char *utmp = UTMP_FILE; ],
4152 [ AC_MSG_RESULT(yes) ],
4154 system_utmp_path=no ]
4156 if test -z "$conf_utmp_location"; then
4157 if test x"$system_utmp_path" = x"no" ; then
4158 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
4159 if test -f $f ; then
4160 conf_utmp_location=$f
4163 if test -z "$conf_utmp_location"; then
4164 AC_DEFINE(DISABLE_UTMP)
4168 if test -n "$conf_utmp_location"; then
4169 AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location",
4170 [Define if you want to specify the path to your utmp file])
4174 AC_MSG_CHECKING([if your system defines WTMP_FILE])
4176 #include <sys/types.h>
4182 [ char *wtmp = WTMP_FILE; ],
4183 [ AC_MSG_RESULT(yes) ],
4185 system_wtmp_path=no ]
4187 if test -z "$conf_wtmp_location"; then
4188 if test x"$system_wtmp_path" = x"no" ; then
4189 for f in /usr/adm/wtmp /var/log/wtmp; do
4190 if test -f $f ; then
4191 conf_wtmp_location=$f
4194 if test -z "$conf_wtmp_location"; then
4195 AC_DEFINE(DISABLE_WTMP)
4199 if test -n "$conf_wtmp_location"; then
4200 AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location",
4201 [Define if you want to specify the path to your wtmp file])
4205 dnl utmpx detection - I don't know any system so perverse as to require
4206 dnl utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
4208 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
4210 #include <sys/types.h>
4219 [ char *utmpx = UTMPX_FILE; ],
4220 [ AC_MSG_RESULT(yes) ],
4222 system_utmpx_path=no ]
4224 if test -z "$conf_utmpx_location"; then
4225 if test x"$system_utmpx_path" = x"no" ; then
4226 AC_DEFINE(DISABLE_UTMPX)
4229 AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location",
4230 [Define if you want to specify the path to your utmpx file])
4234 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
4236 #include <sys/types.h>
4245 [ char *wtmpx = WTMPX_FILE; ],
4246 [ AC_MSG_RESULT(yes) ],
4248 system_wtmpx_path=no ]
4250 if test -z "$conf_wtmpx_location"; then
4251 if test x"$system_wtmpx_path" = x"no" ; then
4252 AC_DEFINE(DISABLE_WTMPX)
4255 AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location",
4256 [Define if you want to specify the path to your wtmpx file])
4260 if test ! -z "$blibpath" ; then
4261 LDFLAGS="$LDFLAGS $blibflags$blibpath"
4262 AC_MSG_WARN([Please check and edit blibpath in LDFLAGS in Makefile])
4265 dnl Adding -Werror to CFLAGS early prevents configure tests from running.
4267 CFLAGS="$CFLAGS $werror_flags"
4270 AC_CONFIG_FILES([Makefile buildpkg.sh opensshd.init openssh.xml \
4271 openbsd-compat/Makefile openbsd-compat/regress/Makefile \
4272 scard/Makefile ssh_prng_cmds survey.sh])
4275 # Print summary of options
4277 # Someone please show me a better way :)
4278 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
4279 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
4280 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
4281 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
4282 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
4283 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
4284 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
4285 H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
4286 I=`eval echo ${user_path}` ; I=`eval echo ${I}`
4287 J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
4290 echo "OpenSSH has been configured with the following options:"
4291 echo " User binaries: $B"
4292 echo " System binaries: $C"
4293 echo " Configuration files: $D"
4294 echo " Askpass program: $E"
4295 echo " Manual pages: $F"
4296 echo " PID file: $G"
4297 echo " Privilege separation chroot path: $H"
4298 if test "x$external_path_file" = "x/etc/login.conf" ; then
4299 echo " At runtime, sshd will use the path defined in $external_path_file"
4300 echo " Make sure the path to scp is present, otherwise scp will not work"
4302 echo " sshd default user PATH: $I"
4303 if test ! -z "$external_path_file"; then
4304 echo " (If PATH is set in $external_path_file it will be used instead. If"
4305 echo " used, ensure the path to scp is present, otherwise scp will not work.)"
4308 if test ! -z "$superuser_path" ; then
4309 echo " sshd superuser user PATH: $J"
4311 echo " Manpage format: $MANTYPE"
4312 echo " PAM support: $PAM_MSG"
4313 echo " OSF SIA support: $SIA_MSG"
4314 echo " KerberosV support: $KRB5_MSG"
4315 echo " SELinux support: $SELINUX_MSG"
4316 echo " Smartcard support: $SCARD_MSG"
4317 echo " S/KEY support: $SKEY_MSG"
4318 echo " TCP Wrappers support: $TCPW_MSG"
4319 echo " MD5 password support: $MD5_MSG"
4320 echo " libedit support: $LIBEDIT_MSG"
4321 echo " Solaris process contract support: $SPC_MSG"
4322 echo " IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
4323 echo " Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
4324 echo " BSD Auth support: $BSD_AUTH_MSG"
4325 echo " Random number source: $RAND_MSG"
4326 if test ! -z "$USE_RAND_HELPER" ; then
4327 echo " ssh-rand-helper collects from: $RAND_HELPER_MSG"
4332 echo " Host: ${host}"
4333 echo " Compiler: ${CC}"
4334 echo " Compiler flags: ${CFLAGS}"
4335 echo "Preprocessor flags: ${CPPFLAGS}"
4336 echo " Linker flags: ${LDFLAGS}"
4337 echo " Libraries: ${LIBS}"
4338 if test ! -z "${SSHDLIBS}"; then
4339 echo " +for sshd: ${SSHDLIBS}"
4344 if test "x$MAKE_PACKAGE_SUPPORTED" = "xyes" ; then
4345 echo "SVR4 style packages are supported with \"make package\""
4349 if test "x$PAM_MSG" = "xyes" ; then
4350 echo "PAM is enabled. You may need to install a PAM control file "
4351 echo "for sshd, otherwise password authentication may fail. "
4352 echo "Example PAM control files can be found in the contrib/ "
4357 if test ! -z "$RAND_HELPER_CMDHASH" ; then
4358 echo "WARNING: you are using the builtin random number collection "
4359 echo "service. Please read WARNING.RNG and request that your OS "
4360 echo "vendor includes kernel-based random number collection in "
4361 echo "future versions of your OS."
4365 if test ! -z "$NO_PEERCHECK" ; then
4366 echo "WARNING: the operating system that you are using does not"
4367 echo "appear to support getpeereid(), getpeerucred() or the"
4368 echo "SO_PEERCRED getsockopt() option. These facilities are used to"
4369 echo "enforce security checks to prevent unauthorised connections to"
4370 echo "ssh-agent. Their absence increases the risk that a malicious"
4371 echo "user can connect to your agent."
4375 if test "$AUDIT_MODULE" = "bsm" ; then
4376 echo "WARNING: BSM audit support is currently considered EXPERIMENTAL."
4377 echo "See the Solaris section in README.platform for details."