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)
26 # Checks for programs.
33 AC_PATH_PROG(CAT, cat)
34 AC_PATH_PROG(KILL, kill)
35 AC_PATH_PROGS(PERL, perl5 perl)
36 AC_PATH_PROG(SED, sed)
38 AC_PATH_PROG(ENT, ent)
40 AC_PATH_PROG(TEST_MINUS_S_SH, bash)
41 AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
42 AC_PATH_PROG(TEST_MINUS_S_SH, sh)
44 AC_SUBST(TEST_SHELL,sh)
47 AC_PATH_PROG(PATH_GROUPADD_PROG, groupadd, groupadd,
48 [/usr/sbin${PATH_SEPARATOR}/etc])
49 AC_PATH_PROG(PATH_USERADD_PROG, useradd, useradd,
50 [/usr/sbin${PATH_SEPARATOR}/etc])
51 AC_CHECK_PROG(MAKE_PACKAGE_SUPPORTED, pkgmk, yes, no)
52 if test -x /sbin/sh; then
53 AC_SUBST(STARTUP_SCRIPT_SHELL,/sbin/sh)
55 AC_SUBST(STARTUP_SCRIPT_SHELL,/bin/sh)
61 if test -z "$AR" ; then
62 AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
65 # Use LOGIN_PROGRAM from environment if possible
66 if test ! -z "$LOGIN_PROGRAM" ; then
67 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM",
68 [If your header files don't define LOGIN_PROGRAM,
69 then use this (detected) from environment and PATH])
72 AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
73 if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
74 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
78 AC_PATH_PROG(PATH_PASSWD_PROG, passwd)
79 if test ! -z "$PATH_PASSWD_PROG" ; then
80 AC_DEFINE_UNQUOTED(_PATH_PASSWD_PROG, "$PATH_PASSWD_PROG",
81 [Full path of your "passwd" program])
84 if test -z "$LD" ; then
91 AC_CHECK_DECL(LLONG_MAX, have_llong_max=1, , [#include <limits.h>])
94 AC_ARG_WITH(stackprotect,
95 [ --without-stackprotect Don't use compiler's stack protection], [
96 if test "x$withval" = "xno"; then
100 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
101 CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wuninitialized"
102 GCC_VER=`$CC -v 2>&1 | $AWK '/gcc version /{print $3}'`
104 1.*) no_attrib_nonnull=1 ;;
106 CFLAGS="$CFLAGS -Wsign-compare"
109 2.*) no_attrib_nonnull=1 ;;
110 3.*) CFLAGS="$CFLAGS -Wsign-compare -Wformat-security" ;;
111 4.*) CFLAGS="$CFLAGS -Wsign-compare -Wno-pointer-sign -Wformat-security" ;;
115 AC_MSG_CHECKING(if $CC accepts -fno-builtin-memset)
116 saved_CFLAGS="$CFLAGS"
117 CFLAGS="$CFLAGS -fno-builtin-memset"
118 AC_LINK_IFELSE( [AC_LANG_SOURCE([[
120 int main(void){char b[10]; memset(b, 0, sizeof(b));}
122 [ AC_MSG_RESULT(yes) ],
124 CFLAGS="$saved_CFLAGS" ]
127 # -fstack-protector-all doesn't always work for some GCC versions
128 # and/or platforms, so we test if we can. If it's not supported
129 # on a give platform gcc will emit a warning so we use -Werror.
130 if test "x$use_stack_protector" = "x1"; then
131 for t in -fstack-protector-all -fstack-protector; do
132 AC_MSG_CHECKING(if $CC supports $t)
133 saved_CFLAGS="$CFLAGS"
134 saved_LDFLAGS="$LDFLAGS"
135 CFLAGS="$CFLAGS $t -Werror"
136 LDFLAGS="$LDFLAGS $t -Werror"
140 int main(void){return 0;}
143 CFLAGS="$saved_CFLAGS $t"
144 LDFLAGS="$saved_LDFLAGS $t"
145 AC_MSG_CHECKING(if $t works)
149 int main(void){exit(0);}
153 [ AC_MSG_RESULT(no) ],
154 [ AC_MSG_WARN([cross compiling: cannot test])
158 [ AC_MSG_RESULT(no) ]
160 CFLAGS="$saved_CFLAGS"
161 LDFLAGS="$saved_LDFLAGS"
165 if test -z "$have_llong_max"; then
166 # retry LLONG_MAX with -std=gnu99, needed on some Linuxes
167 unset ac_cv_have_decl_LLONG_MAX
168 saved_CFLAGS="$CFLAGS"
169 CFLAGS="$CFLAGS -std=gnu99"
170 AC_CHECK_DECL(LLONG_MAX,
172 [CFLAGS="$saved_CFLAGS"],
173 [#include <limits.h>]
178 if test "x$no_attrib_nonnull" != "x1" ; then
179 AC_DEFINE(HAVE_ATTRIBUTE__NONNULL__, 1, [Have attribute nonnull])
183 [ --without-rpath Disable auto-added -R linker paths],
185 if test "x$withval" = "xno" ; then
188 if test "x$withval" = "xyes" ; then
194 # Allow user to specify flags
196 [ --with-cflags Specify additional flags to pass to compiler],
198 if test -n "$withval" && test "x$withval" != "xno" && \
199 test "x${withval}" != "xyes"; then
200 CFLAGS="$CFLAGS $withval"
204 AC_ARG_WITH(cppflags,
205 [ --with-cppflags Specify additional flags to pass to preprocessor] ,
207 if test -n "$withval" && test "x$withval" != "xno" && \
208 test "x${withval}" != "xyes"; then
209 CPPFLAGS="$CPPFLAGS $withval"
214 [ --with-ldflags Specify additional flags to pass to linker],
216 if test -n "$withval" && test "x$withval" != "xno" && \
217 test "x${withval}" != "xyes"; then
218 LDFLAGS="$LDFLAGS $withval"
223 [ --with-libs Specify additional libraries to link with],
225 if test -n "$withval" && test "x$withval" != "xno" && \
226 test "x${withval}" != "xyes"; then
227 LIBS="$LIBS $withval"
232 [ --with-Werror Build main code with -Werror],
234 if test -n "$withval" && test "x$withval" != "xno"; then
235 werror_flags="-Werror"
236 if test "x${withval}" != "xyes"; then
237 werror_flags="$withval"
269 security/pam_appl.h \
310 # lastlog.h requires sys/time.h to be included first on Solaris
311 AC_CHECK_HEADERS(lastlog.h, [], [], [
312 #ifdef HAVE_SYS_TIME_H
313 # include <sys/time.h>
317 # sys/ptms.h requires sys/stream.h to be included first on Solaris
318 AC_CHECK_HEADERS(sys/ptms.h, [], [], [
319 #ifdef HAVE_SYS_STREAM_H
320 # include <sys/stream.h>
324 # login_cap.h requires sys/types.h on NetBSD
325 AC_CHECK_HEADERS(login_cap.h, [], [], [
326 #include <sys/types.h>
329 # Messages for features tested for in target-specific section
333 # Check for some target-specific stuff
336 # Some versions of VAC won't allow macro redefinitions at
337 # -qlanglevel=ansi, and autoconf 2.60 sometimes insists on using that
338 # particularly with older versions of vac or xlc.
339 # It also throws errors about null macro argments, but these are
341 AC_MSG_CHECKING(if compiler allows macro redefinitions)
344 #define testmacro foo
345 #define testmacro bar
346 int main(void) { exit(0); }
348 [ AC_MSG_RESULT(yes) ],
350 CC="`echo $CC | sed 's/-qlanglvl\=ansi//g'`"
351 LD="`echo $LD | sed 's/-qlanglvl\=ansi//g'`"
352 CFLAGS="`echo $CFLAGS | sed 's/-qlanglvl\=ansi//g'`"
353 CPPFLAGS="`echo $CPPFLAGS | sed 's/-qlanglvl\=ansi//g'`"
357 AC_MSG_CHECKING([how to specify blibpath for linker ($LD)])
358 if (test -z "$blibpath"); then
359 blibpath="/usr/lib:/lib"
361 saved_LDFLAGS="$LDFLAGS"
362 if test "$GCC" = "yes"; then
363 flags="-Wl,-blibpath: -Wl,-rpath, -blibpath:"
365 flags="-blibpath: -Wl,-blibpath: -Wl,-rpath,"
367 for tryflags in $flags ;do
368 if (test -z "$blibflags"); then
369 LDFLAGS="$saved_LDFLAGS $tryflags$blibpath"
370 AC_TRY_LINK([], [], [blibflags=$tryflags])
373 if (test -z "$blibflags"); then
374 AC_MSG_RESULT(not found)
375 AC_MSG_ERROR([*** must be able to specify blibpath on AIX - check config.log])
377 AC_MSG_RESULT($blibflags)
379 LDFLAGS="$saved_LDFLAGS"
380 dnl Check for authenticate. Might be in libs.a on older AIXes
381 AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE, 1,
382 [Define if you want to enable AIX4's authenticate function])],
383 [AC_CHECK_LIB(s,authenticate,
384 [ AC_DEFINE(WITH_AIXAUTHENTICATE)
388 dnl Check for various auth function declarations in headers.
389 AC_CHECK_DECLS([authenticate, loginrestrictions, loginsuccess,
390 passwdexpired, setauthdb], , , [#include <usersec.h>])
391 dnl Check if loginfailed is declared and takes 4 arguments (AIX >= 5.2)
392 AC_CHECK_DECLS(loginfailed,
393 [AC_MSG_CHECKING(if loginfailed takes 4 arguments)
395 [#include <usersec.h>],
396 [(void)loginfailed("user","host","tty",0);],
398 AC_DEFINE(AIX_LOGINFAILED_4ARG, 1,
399 [Define if your AIX loginfailed() function
400 takes 4 arguments (AIX >= 5.2)])],
404 [#include <usersec.h>]
406 AC_CHECK_FUNCS(getgrset setauthdb)
407 AC_CHECK_DECL(F_CLOSEM,
408 AC_DEFINE(HAVE_FCNTL_CLOSEM, 1, [Use F_CLOSEM fcntl for closefrom]),
410 [ #include <limits.h>
413 check_for_aix_broken_getaddrinfo=1
414 AC_DEFINE(BROKEN_REALPATH, 1, [Define if you have a broken realpath.])
415 AC_DEFINE(SETEUID_BREAKS_SETUID, 1,
416 [Define if your platform breaks doing a seteuid before a setuid])
417 AC_DEFINE(BROKEN_SETREUID, 1, [Define if your setreuid() is broken])
418 AC_DEFINE(BROKEN_SETREGID, 1, [Define if your setregid() is broken])
419 dnl AIX handles lastlog as part of its login message
420 AC_DEFINE(DISABLE_LASTLOG, 1, [Define if you don't want to use lastlog])
421 AC_DEFINE(LOGIN_NEEDS_UTMPX, 1,
422 [Some systems need a utmpx entry for /bin/login to work])
423 AC_DEFINE(SPT_TYPE,SPT_REUSEARGV,
424 [Define to a Set Process Title type if your system is
425 supported by bsd-setproctitle.c])
426 AC_DEFINE(SSHPAM_CHAUTHTOK_NEEDS_RUID, 1,
427 [AIX 5.2 and 5.3 (and presumably newer) require this])
428 AC_DEFINE(PTY_ZEROREAD, 1, [read(1) can return 0 for a non-closed fd])
431 check_for_libcrypt_later=1
432 LIBS="$LIBS /usr/lib/textreadmode.o"
433 AC_DEFINE(HAVE_CYGWIN, 1, [Define if you are on Cygwin])
434 AC_DEFINE(USE_PIPES, 1, [Use PIPES instead of a socketpair()])
435 AC_DEFINE(DISABLE_SHADOW, 1,
436 [Define if you want to disable shadow passwords])
437 AC_DEFINE(IP_TOS_IS_BROKEN, 1,
438 [Define if your system choked on IP TOS setting])
439 AC_DEFINE(NO_X11_UNIX_SOCKETS, 1,
440 [Define if X11 doesn't support AF_UNIX sockets on that system])
441 AC_DEFINE(NO_IPPORT_RESERVED_CONCEPT, 1,
442 [Define if the concept of ports only accessible to
443 superusers isn't known])
444 AC_DEFINE(DISABLE_FD_PASSING, 1,
445 [Define if your platform needs to skip post auth
446 file descriptor passing])
449 AC_DEFINE(IP_TOS_IS_BROKEN)
450 AC_DEFINE(SETEUID_BREAKS_SETUID)
451 AC_DEFINE(BROKEN_SETREUID)
452 AC_DEFINE(BROKEN_SETREGID)
455 AC_MSG_CHECKING(if we have working getaddrinfo)
456 AC_TRY_RUN([#include <mach-o/dyld.h>
457 main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
461 }], [AC_MSG_RESULT(working)],
462 [AC_MSG_RESULT(buggy)
463 AC_DEFINE(BROKEN_GETADDRINFO, 1, [getaddrinfo is broken (if present)])],
464 [AC_MSG_RESULT(assume it is working)])
465 AC_DEFINE(SETEUID_BREAKS_SETUID)
466 AC_DEFINE(BROKEN_SETREUID)
467 AC_DEFINE(BROKEN_SETREGID)
468 AC_DEFINE(BROKEN_GLOB, 1, [OS X glob does not do what we expect])
469 AC_DEFINE_UNQUOTED(BIND_8_COMPAT, 1,
470 [Define if your resolver libs need this for getrrsetbyname])
471 AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
472 AC_DEFINE(SSH_TUN_COMPAT_AF, 1,
473 [Use tunnel device compatibility to OpenBSD])
474 AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
475 [Prepend the address family to IP tunnel traffic])
476 m4_pattern_allow(AU_IPv)
477 AC_CHECK_DECL(AU_IPv4, [],
478 AC_DEFINE(AU_IPv4, 0, [System only supports IPv4 audit records])
479 [#include <bsm/audit.h>]
483 SSHDLIBS="$SSHDLIBS -lcrypt"
486 # first we define all of the options common to all HP-UX releases
487 CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
488 IPADDR_IN_DISPLAY=yes
490 AC_DEFINE(LOGIN_NO_ENDOPT, 1,
491 [Define if your login program cannot handle end of options ("--")])
492 AC_DEFINE(LOGIN_NEEDS_UTMPX)
493 AC_DEFINE(LOCKED_PASSWD_STRING, "*",
494 [String used in /etc/passwd to denote locked account])
495 AC_DEFINE(SPT_TYPE,SPT_PSTAT)
496 MAIL="/var/mail/username"
498 AC_CHECK_LIB(xnet, t_error, ,
499 AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
501 # next, we define all of the options specific to major releases
504 if test -z "$GCC"; then
509 AC_DEFINE(PAM_SUN_CODEBASE, 1,
510 [Define if you are using Solaris-derived PAM which
511 passes pam_messages to the conversation function
512 with an extra level of indirection])
513 AC_DEFINE(DISABLE_UTMP, 1,
514 [Define if you don't want to use utmp])
515 AC_DEFINE(USE_BTMP, 1, [Use btmp to log bad logins])
516 check_for_hpux_broken_getaddrinfo=1
517 check_for_conflicting_getspnam=1
521 # lastly, we define options specific to minor releases
524 AC_DEFINE(HAVE_SECUREWARE, 1,
525 [Define if you have SecureWare-based
526 protected password database])
527 disable_ptmx_check=yes
533 PATH="$PATH:/usr/etc"
534 AC_DEFINE(BROKEN_INET_NTOA, 1,
535 [Define if you system's inet_ntoa is busted
536 (e.g. Irix gcc issue)])
537 AC_DEFINE(SETEUID_BREAKS_SETUID)
538 AC_DEFINE(BROKEN_SETREUID)
539 AC_DEFINE(BROKEN_SETREGID)
540 AC_DEFINE(WITH_ABBREV_NO_TTY, 1,
541 [Define if you shouldn't strip 'tty' from your
543 AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
546 PATH="$PATH:/usr/etc"
547 AC_DEFINE(WITH_IRIX_ARRAY, 1,
548 [Define if you have/want arrays
549 (cluster-wide session managment, not C arrays)])
550 AC_DEFINE(WITH_IRIX_PROJECT, 1,
551 [Define if you want IRIX project management])
552 AC_DEFINE(WITH_IRIX_AUDIT, 1,
553 [Define if you want IRIX audit trails])
554 AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS, 1,
555 [Define if you want IRIX kernel jobs])])
556 AC_DEFINE(BROKEN_INET_NTOA)
557 AC_DEFINE(SETEUID_BREAKS_SETUID)
558 AC_DEFINE(BROKEN_SETREUID)
559 AC_DEFINE(BROKEN_SETREGID)
560 AC_DEFINE(BROKEN_UPDWTMPX, 1, [updwtmpx is broken (if present)])
561 AC_DEFINE(WITH_ABBREV_NO_TTY)
562 AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
566 check_for_libcrypt_later=1
567 check_for_openpty_ctty_bug=1
568 AC_DEFINE(PAM_TTY_KLUDGE, 1,
569 [Work around problematic Linux PAM modules handling of PAM_TTY])
570 AC_DEFINE(LOCKED_PASSWD_PREFIX, "!",
571 [String used in /etc/passwd to denote locked account])
572 AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)
573 AC_DEFINE(LINK_OPNOTSUPP_ERRNO, EPERM,
574 [Define to whatever link() returns for "not supported"
575 if it doesn't return EOPNOTSUPP.])
576 AC_DEFINE(_PATH_BTMP, "/var/log/btmp", [log for bad login attempts])
578 inet6_default_4in6=yes
581 AC_DEFINE(BROKEN_CMSG_TYPE, 1,
582 [Define if cmsg_type is not passed correctly])
585 # tun(4) forwarding compat code
586 AC_CHECK_HEADERS(linux/if_tun.h)
587 if test "x$ac_cv_header_linux_if_tun_h" = "xyes" ; then
588 AC_DEFINE(SSH_TUN_LINUX, 1,
589 [Open tunnel devices the Linux tun/tap way])
590 AC_DEFINE(SSH_TUN_COMPAT_AF, 1,
591 [Use tunnel device compatibility to OpenBSD])
592 AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
593 [Prepend the address family to IP tunnel traffic])
596 mips-sony-bsd|mips-sony-newsos4)
597 AC_DEFINE(NEED_SETPGRP, 1, [Need setpgrp to acquire controlling tty])
601 check_for_libcrypt_before=1
602 if test "x$withval" != "xno" ; then
605 AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
606 AC_CHECK_HEADER([net/if_tap.h], ,
607 AC_DEFINE(SSH_TUN_NO_L2, 1, [No layer 2 tunnel support]))
608 AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
609 [Prepend the address family to IP tunnel traffic])
612 check_for_libcrypt_later=1
613 AC_DEFINE(LOCKED_PASSWD_PREFIX, "*LOCKED*", [Account locked with pw(1)])
614 AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
615 AC_CHECK_HEADER([net/if_tap.h], ,
616 AC_DEFINE(SSH_TUN_NO_L2, 1, [No layer 2 tunnel support]))
617 AC_DEFINE(BROKEN_GLOB, 1, [FreeBSD glob does not do what we need])
620 AC_DEFINE(SETEUID_BREAKS_SETUID)
621 AC_DEFINE(BROKEN_SETREUID)
622 AC_DEFINE(BROKEN_SETREGID)
625 conf_lastlog_location="/usr/adm/lastlog"
626 conf_utmp_location=/etc/utmp
627 conf_wtmp_location=/usr/adm/wtmp
629 AC_DEFINE(HAVE_NEXT, 1, [Define if you are on NeXT])
630 AC_DEFINE(BROKEN_REALPATH)
632 AC_DEFINE(BROKEN_SAVED_UIDS, 1, [Needed for NeXT])
635 AC_DEFINE(HAVE_ATTRIBUTE__SENTINEL__, 1, [OpenBSD's gcc has sentinel])
636 AC_DEFINE(HAVE_ATTRIBUTE__BOUNDED__, 1, [OpenBSD's gcc has bounded])
637 AC_DEFINE(SSH_TUN_OPENBSD, 1, [Open tunnel devices the OpenBSD way])
638 AC_DEFINE(SYSLOG_R_SAFE_IN_SIGHAND, 1,
639 [syslog_r function is safe to use in in a signal handler])
642 if test "x$withval" != "xno" ; then
645 AC_DEFINE(PAM_SUN_CODEBASE)
646 AC_DEFINE(LOGIN_NEEDS_UTMPX)
647 AC_DEFINE(LOGIN_NEEDS_TERM, 1,
648 [Some versions of /bin/login need the TERM supplied
650 AC_DEFINE(PAM_TTY_KLUDGE)
651 AC_DEFINE(SSHPAM_CHAUTHTOK_NEEDS_RUID, 1,
652 [Define if pam_chauthtok wants real uid set
653 to the unpriv'ed user])
654 AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
655 # Pushing STREAMS modules will cause sshd to acquire a controlling tty.
656 AC_DEFINE(SSHD_ACQUIRES_CTTY, 1,
657 [Define if sshd somehow reacquires a controlling TTY
659 AC_DEFINE(PASSWD_NEEDS_USERNAME, 1, [must supply username to passwd
660 in case the name is longer than 8 chars])
661 external_path_file=/etc/default/login
662 # hardwire lastlog location (can't detect it on some versions)
663 conf_lastlog_location="/var/adm/lastlog"
664 AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
665 sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
666 if test "$sol2ver" -ge 8; then
668 AC_DEFINE(DISABLE_UTMP)
669 AC_DEFINE(DISABLE_WTMP, 1,
670 [Define if you don't want to use wtmp])
674 AC_ARG_WITH(solaris-contracts,
675 [ --with-solaris-contracts Enable Solaris process contracts (experimental)],
677 AC_CHECK_LIB(contract, ct_tmpl_activate,
678 [ AC_DEFINE(USE_SOLARIS_PROCESS_CONTRACTS, 1,
679 [Define if you have Solaris process contracts])
680 SSHDLIBS="$SSHDLIBS -lcontract"
687 CPPFLAGS="$CPPFLAGS -DSUNOS4"
688 AC_CHECK_FUNCS(getpwanam)
689 AC_DEFINE(PAM_SUN_CODEBASE)
690 conf_utmp_location=/etc/utmp
691 conf_wtmp_location=/var/adm/wtmp
692 conf_lastlog_location=/var/adm/lastlog
698 AC_DEFINE(SSHD_ACQUIRES_CTTY)
699 AC_DEFINE(SETEUID_BREAKS_SETUID)
700 AC_DEFINE(BROKEN_SETREUID)
701 AC_DEFINE(BROKEN_SETREGID)
704 # /usr/ucblib MUST NOT be searched on ReliantUNIX
705 AC_CHECK_LIB(dl, dlsym, ,)
706 # -lresolv needs to be at the end of LIBS or DNS lookups break
707 AC_CHECK_LIB(resolv, res_query, [ LIBS="$LIBS -lresolv" ])
708 IPADDR_IN_DISPLAY=yes
710 AC_DEFINE(IP_TOS_IS_BROKEN)
711 AC_DEFINE(SETEUID_BREAKS_SETUID)
712 AC_DEFINE(BROKEN_SETREUID)
713 AC_DEFINE(BROKEN_SETREGID)
714 AC_DEFINE(SSHD_ACQUIRES_CTTY)
715 external_path_file=/etc/default/login
716 # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
717 # Attention: always take care to bind libsocket and libnsl before libc,
718 # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
720 # UnixWare 1.x, UnixWare 2.x, and others based on code from Univel.
723 AC_DEFINE(SETEUID_BREAKS_SETUID)
724 AC_DEFINE(BROKEN_SETREUID)
725 AC_DEFINE(BROKEN_SETREGID)
726 AC_DEFINE(PASSWD_NEEDS_USERNAME, 1, [must supply username to passwd])
727 AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
729 # UnixWare 7.x, OpenUNIX 8
731 check_for_libcrypt_later=1
732 AC_DEFINE(UNIXWARE_LONG_PASSWORDS, 1, [Support passwords > 8 chars])
734 AC_DEFINE(SETEUID_BREAKS_SETUID)
735 AC_DEFINE(BROKEN_SETREUID)
736 AC_DEFINE(BROKEN_SETREGID)
737 AC_DEFINE(PASSWD_NEEDS_USERNAME)
739 *-*-sysv5SCO_SV*) # SCO OpenServer 6.x
740 TEST_SHELL=/u95/bin/sh
741 AC_DEFINE(BROKEN_LIBIAF, 1,
742 [ia_uinfo routines not supported by OS yet])
743 AC_DEFINE(BROKEN_UPDWTMPX)
745 *) AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
751 # SCO UNIX and OEM versions of SCO UNIX
753 AC_MSG_ERROR("This Platform is no longer supported.")
757 if test -z "$GCC"; then
758 CFLAGS="$CFLAGS -belf"
760 LIBS="$LIBS -lprot -lx -ltinfo -lm"
763 AC_DEFINE(HAVE_SECUREWARE)
764 AC_DEFINE(DISABLE_SHADOW)
765 AC_DEFINE(DISABLE_FD_PASSING)
766 AC_DEFINE(SETEUID_BREAKS_SETUID)
767 AC_DEFINE(BROKEN_SETREUID)
768 AC_DEFINE(BROKEN_SETREGID)
769 AC_DEFINE(WITH_ABBREV_NO_TTY)
770 AC_DEFINE(BROKEN_UPDWTMPX)
771 AC_DEFINE(PASSWD_NEEDS_USERNAME)
772 AC_CHECK_FUNCS(getluid setluid)
777 AC_DEFINE(NO_SSH_LASTLOG, 1,
778 [Define if you don't want to use lastlog in session.c])
779 AC_DEFINE(SETEUID_BREAKS_SETUID)
780 AC_DEFINE(BROKEN_SETREUID)
781 AC_DEFINE(BROKEN_SETREGID)
783 AC_DEFINE(DISABLE_FD_PASSING)
785 LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
789 AC_DEFINE(SETEUID_BREAKS_SETUID)
790 AC_DEFINE(BROKEN_SETREUID)
791 AC_DEFINE(BROKEN_SETREGID)
792 AC_DEFINE(WITH_ABBREV_NO_TTY)
794 AC_DEFINE(DISABLE_FD_PASSING)
796 LIBS="$LIBS -lgen -lacid -ldb"
800 AC_DEFINE(SETEUID_BREAKS_SETUID)
801 AC_DEFINE(BROKEN_SETREUID)
802 AC_DEFINE(BROKEN_SETREGID)
804 AC_DEFINE(DISABLE_FD_PASSING)
805 AC_DEFINE(NO_SSH_LASTLOG)
806 LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal"
807 LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
811 AC_MSG_CHECKING(for Digital Unix SIA)
814 [ --with-osfsia Enable Digital Unix SIA],
816 if test "x$withval" = "xno" ; then
817 AC_MSG_RESULT(disabled)
822 if test -z "$no_osfsia" ; then
823 if test -f /etc/sia/matrix.conf; then
825 AC_DEFINE(HAVE_OSF_SIA, 1,
826 [Define if you have Digital Unix Security
827 Integration Architecture])
828 AC_DEFINE(DISABLE_LOGIN, 1,
829 [Define if you don't want to use your
830 system's login() call])
831 AC_DEFINE(DISABLE_FD_PASSING)
832 LIBS="$LIBS -lsecurity -ldb -lm -laud"
836 AC_DEFINE(LOCKED_PASSWD_SUBSTR, "Nologin",
837 [String used in /etc/passwd to denote locked account])
840 AC_DEFINE(BROKEN_GETADDRINFO)
841 AC_DEFINE(SETEUID_BREAKS_SETUID)
842 AC_DEFINE(BROKEN_SETREUID)
843 AC_DEFINE(BROKEN_SETREGID)
844 AC_DEFINE(BROKEN_READV_COMPARISON, 1, [Can't do comparisons on readv])
849 AC_DEFINE(NO_X11_UNIX_SOCKETS)
850 AC_DEFINE(MISSING_NFDBITS, 1, [Define on *nto-qnx systems])
851 AC_DEFINE(MISSING_HOWMANY, 1, [Define on *nto-qnx systems])
852 AC_DEFINE(MISSING_FD_MASK, 1, [Define on *nto-qnx systems])
853 AC_DEFINE(DISABLE_LASTLOG)
854 AC_DEFINE(SSHD_ACQUIRES_CTTY)
855 AC_DEFINE(BROKEN_SHADOW_EXPIRE, 1, [QNX shadow support is broken])
856 enable_etc_default_login=no # has incompatible /etc/default/login
859 AC_DEFINE(DISABLE_FD_PASSING)
865 AC_DEFINE(BROKEN_GETGROUPS, 1, [getgroups(0,NULL) will return -1])
866 AC_DEFINE(BROKEN_MMAP, 1, [Ultrix mmap can't map files])
867 AC_DEFINE(NEED_SETPGRP)
868 AC_DEFINE(HAVE_SYS_SYSLOG_H, 1, [Force use of sys/syslog.h on Ultrix])
872 CFLAGS="$CFLAGS -D__NO_INCLUDE_WARN__"
873 AC_DEFINE(MISSING_HOWMANY)
874 AC_DEFINE(BROKEN_SETVBUF, 1, [LynxOS has broken setvbuf() implementation])
878 AC_MSG_CHECKING(compiler and flags for sanity)
884 [ AC_MSG_RESULT(yes) ],
887 AC_MSG_ERROR([*** compiler cannot create working executables, check config.log ***])
889 [ AC_MSG_WARN([cross compiling: not checking compiler sanity]) ]
892 dnl Checks for header files.
893 # Checks for libraries.
894 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
895 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
897 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
898 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
899 AC_CHECK_LIB(gen, dirname,[
900 AC_CACHE_CHECK([for broken dirname],
901 ac_cv_have_broken_dirname, [
909 int main(int argc, char **argv) {
912 strncpy(buf,"/etc", 32);
914 if (!s || strncmp(s, "/", 32) != 0) {
921 [ ac_cv_have_broken_dirname="no" ],
922 [ ac_cv_have_broken_dirname="yes" ],
923 [ ac_cv_have_broken_dirname="no" ],
927 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
929 AC_DEFINE(HAVE_DIRNAME)
930 AC_CHECK_HEADERS(libgen.h)
935 AC_CHECK_FUNC(getspnam, ,
936 AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
937 AC_SEARCH_LIBS(basename, gen, AC_DEFINE(HAVE_BASENAME, 1,
938 [Define if you have the basename function.]))
942 [ --with-zlib=PATH Use zlib in PATH],
943 [ if test "x$withval" = "xno" ; then
944 AC_MSG_ERROR([*** zlib is required ***])
945 elif test "x$withval" != "xyes"; then
946 if test -d "$withval/lib"; then
947 if test -n "${need_dash_r}"; then
948 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
950 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
953 if test -n "${need_dash_r}"; then
954 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
956 LDFLAGS="-L${withval} ${LDFLAGS}"
959 if test -d "$withval/include"; then
960 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
962 CPPFLAGS="-I${withval} ${CPPFLAGS}"
967 AC_CHECK_LIB(z, deflate, ,
969 saved_CPPFLAGS="$CPPFLAGS"
970 saved_LDFLAGS="$LDFLAGS"
972 dnl Check default zlib install dir
973 if test -n "${need_dash_r}"; then
974 LDFLAGS="-L/usr/local/lib -R/usr/local/lib ${saved_LDFLAGS}"
976 LDFLAGS="-L/usr/local/lib ${saved_LDFLAGS}"
978 CPPFLAGS="-I/usr/local/include ${saved_CPPFLAGS}"
980 AC_TRY_LINK_FUNC(deflate, AC_DEFINE(HAVE_LIBZ),
982 AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***])
987 AC_CHECK_HEADER([zlib.h], ,AC_MSG_ERROR([*** zlib.h missing - please install first or check config.log ***]))
989 AC_ARG_WITH(zlib-version-check,
990 [ --without-zlib-version-check Disable zlib version check],
991 [ if test "x$withval" = "xno" ; then
992 zlib_check_nonfatal=1
997 AC_MSG_CHECKING(for possibly buggy zlib)
998 AC_RUN_IFELSE([AC_LANG_SOURCE([[
1003 int a=0, b=0, c=0, d=0, n, v;
1004 n = sscanf(ZLIB_VERSION, "%d.%d.%d.%d", &a, &b, &c, &d);
1005 if (n != 3 && n != 4)
1007 v = a*1000000 + b*10000 + c*100 + d;
1008 fprintf(stderr, "found zlib version %s (%d)\n", ZLIB_VERSION, v);
1011 if (a == 1 && b == 1 && c >= 4)
1014 /* 1.2.3 and up are OK */
1022 [ AC_MSG_RESULT(yes)
1023 if test -z "$zlib_check_nonfatal" ; then
1024 AC_MSG_ERROR([*** zlib too old - check config.log ***
1025 Your reported zlib version has known security problems. It's possible your
1026 vendor has fixed these problems without changing the version number. If you
1027 are sure this is the case, you can disable the check by running
1028 "./configure --without-zlib-version-check".
1029 If you are in doubt, upgrade zlib to version 1.2.3 or greater.
1030 See http://www.gzip.org/zlib/ for details.])
1032 AC_MSG_WARN([zlib version may have security problems])
1035 [ AC_MSG_WARN([cross compiling: not checking zlib version]) ]
1039 AC_CHECK_FUNC(strcasecmp,
1040 [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
1042 AC_CHECK_FUNCS(utimes,
1043 [], [ AC_CHECK_LIB(c89, utimes, [AC_DEFINE(HAVE_UTIMES)
1044 LIBS="$LIBS -lc89"]) ]
1047 dnl Checks for libutil functions
1048 AC_CHECK_HEADERS(libutil.h)
1049 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN, 1,
1050 [Define if your libraries define login()])])
1051 AC_CHECK_FUNCS(fmt_scaled logout updwtmp logwtmp)
1055 # Check for ALTDIRFUNC glob() extension
1056 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
1057 AC_EGREP_CPP(FOUNDIT,
1060 #ifdef GLOB_ALTDIRFUNC
1065 AC_DEFINE(GLOB_HAS_ALTDIRFUNC, 1,
1066 [Define if your system glob() function has
1067 the GLOB_ALTDIRFUNC extension])
1075 # Check for g.gl_matchc glob() extension
1076 AC_MSG_CHECKING(for gl_matchc field in glob_t)
1078 [ #include <glob.h> ],
1079 [glob_t g; g.gl_matchc = 1;],
1081 AC_DEFINE(GLOB_HAS_GL_MATCHC, 1,
1082 [Define if your system glob() function has
1083 gl_matchc options in glob_t])
1091 AC_CHECK_DECLS(GLOB_NOMATCH, , , [#include <glob.h>])
1093 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
1096 #include <sys/types.h>
1098 int main(void){struct dirent d;exit(sizeof(d.d_name)<=sizeof(char));}
1100 [AC_MSG_RESULT(yes)],
1103 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME, 1,
1104 [Define if your struct dirent expects you to
1105 allocate extra space for d_name])
1108 AC_MSG_WARN([cross compiling: assuming BROKEN_ONE_BYTE_DIRENT_D_NAME])
1109 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
1113 AC_MSG_CHECKING([for /proc/pid/fd directory])
1114 if test -d "/proc/$$/fd" ; then
1115 AC_DEFINE(HAVE_PROC_PID, 1, [Define if you have /proc/$pid/fd])
1121 # Check whether user wants S/Key support
1124 [ --with-skey[[=PATH]] Enable S/Key support (optionally in PATH)],
1126 if test "x$withval" != "xno" ; then
1128 if test "x$withval" != "xyes" ; then
1129 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1130 LDFLAGS="$LDFLAGS -L${withval}/lib"
1133 AC_DEFINE(SKEY, 1, [Define if you want S/Key support])
1137 AC_MSG_CHECKING([for s/key support])
1142 int main() { char *ff = skey_keyinfo(""); ff=""; exit(0); }
1144 [AC_MSG_RESULT(yes)],
1147 AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
1149 AC_MSG_CHECKING(if skeychallenge takes 4 arguments)
1153 [(void)skeychallenge(NULL,"name","",0);],
1155 AC_DEFINE(SKEYCHALLENGE_4ARG, 1,
1156 [Define if your skeychallenge()
1157 function takes 4 arguments (NetBSD)])],
1164 # Check whether user wants TCP wrappers support
1166 AC_ARG_WITH(tcp-wrappers,
1167 [ --with-tcp-wrappers[[=PATH]] Enable tcpwrappers support (optionally in PATH)],
1169 if test "x$withval" != "xno" ; then
1171 saved_LDFLAGS="$LDFLAGS"
1172 saved_CPPFLAGS="$CPPFLAGS"
1173 if test -n "${withval}" && \
1174 test "x${withval}" != "xyes"; then
1175 if test -d "${withval}/lib"; then
1176 if test -n "${need_dash_r}"; then
1177 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
1179 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
1182 if test -n "${need_dash_r}"; then
1183 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
1185 LDFLAGS="-L${withval} ${LDFLAGS}"
1188 if test -d "${withval}/include"; then
1189 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
1191 CPPFLAGS="-I${withval} ${CPPFLAGS}"
1195 AC_MSG_CHECKING(for libwrap)
1198 #include <sys/types.h>
1199 #include <sys/socket.h>
1200 #include <netinet/in.h>
1202 int deny_severity = 0, allow_severity = 0;
1207 AC_DEFINE(LIBWRAP, 1,
1209 TCP Wrappers support])
1210 SSHDLIBS="$SSHDLIBS -lwrap"
1214 AC_MSG_ERROR([*** libwrap missing])
1222 # Check whether user wants libedit support
1224 AC_ARG_WITH(libedit,
1225 [ --with-libedit[[=PATH]] Enable libedit support for sftp],
1226 [ if test "x$withval" != "xno" ; then
1227 if test "x$withval" != "xyes"; then
1228 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1229 if test -n "${need_dash_r}"; then
1230 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
1232 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
1235 AC_CHECK_LIB(edit, el_init,
1236 [ AC_DEFINE(USE_LIBEDIT, 1, [Use libedit for sftp])
1237 LIBEDIT="-ledit -lcurses"
1241 [ AC_MSG_ERROR(libedit not found) ],
1244 AC_MSG_CHECKING(if libedit version is compatible)
1247 #include <histedit.h>
1251 el_init("", NULL, NULL, NULL);
1255 [ AC_MSG_RESULT(yes) ],
1257 AC_MSG_ERROR(libedit version is not compatible) ]
1264 [ --with-audit=module Enable EXPERIMENTAL audit support (modules=debug,bsm)],
1266 AC_MSG_CHECKING(for supported audit module)
1271 dnl Checks for headers, libs and functions
1272 AC_CHECK_HEADERS(bsm/audit.h, [],
1273 [AC_MSG_ERROR(BSM enabled and bsm/audit.h not found)],
1280 AC_CHECK_LIB(bsm, getaudit, [],
1281 [AC_MSG_ERROR(BSM enabled and required library not found)])
1282 AC_CHECK_FUNCS(getaudit, [],
1283 [AC_MSG_ERROR(BSM enabled and required function not found)])
1284 # These are optional
1285 AC_CHECK_FUNCS(getaudit_addr aug_get_machine)
1286 AC_DEFINE(USE_BSM_AUDIT, 1, [Use BSM audit module])
1290 AC_MSG_RESULT(debug)
1291 AC_DEFINE(SSH_AUDIT_EVENTS, 1, Use audit debugging module)
1297 AC_MSG_ERROR([Unknown audit module $withval])
1302 dnl Checks for library functions. Please keep in alphabetical order
1306 arc4random_uniform \
1395 # IRIX has a const char return value for gai_strerror()
1396 AC_CHECK_FUNCS(gai_strerror,[
1397 AC_DEFINE(HAVE_GAI_STRERROR)
1399 #include <sys/types.h>
1400 #include <sys/socket.h>
1403 const char *gai_strerror(int);],[
1406 str = gai_strerror(0);],[
1407 AC_DEFINE(HAVE_CONST_GAI_STRERROR_PROTO, 1,
1408 [Define if gai_strerror() returns const char *])])])
1410 AC_SEARCH_LIBS(nanosleep, rt posix4, AC_DEFINE(HAVE_NANOSLEEP, 1,
1411 [Some systems put nanosleep outside of libc]))
1413 dnl Make sure prototypes are defined for these before using them.
1414 AC_CHECK_DECL(getrusage, [AC_CHECK_FUNCS(getrusage)])
1415 AC_CHECK_DECL(strsep,
1416 [AC_CHECK_FUNCS(strsep)],
1419 #ifdef HAVE_STRING_H
1420 # include <string.h>
1424 dnl tcsendbreak might be a macro
1425 AC_CHECK_DECL(tcsendbreak,
1426 [AC_DEFINE(HAVE_TCSENDBREAK)],
1427 [AC_CHECK_FUNCS(tcsendbreak)],
1428 [#include <termios.h>]
1431 AC_CHECK_DECLS(h_errno, , ,[#include <netdb.h>])
1433 AC_CHECK_DECLS(SHUT_RD, , ,
1435 #include <sys/types.h>
1436 #include <sys/socket.h>
1439 AC_CHECK_DECLS(O_NONBLOCK, , ,
1441 #include <sys/types.h>
1442 #ifdef HAVE_SYS_STAT_H
1443 # include <sys/stat.h>
1450 AC_CHECK_DECLS(writev, , , [
1451 #include <sys/types.h>
1452 #include <sys/uio.h>
1456 AC_CHECK_DECLS(MAXSYMLINKS, , , [
1457 #include <sys/param.h>
1460 AC_CHECK_DECLS(offsetof, , , [
1464 AC_CHECK_FUNCS(setresuid, [
1465 dnl Some platorms have setresuid that isn't implemented, test for this
1466 AC_MSG_CHECKING(if setresuid seems to work)
1471 int main(){errno=0; setresuid(0,0,0); if (errno==ENOSYS) exit(1); else exit(0);}
1473 [AC_MSG_RESULT(yes)],
1474 [AC_DEFINE(BROKEN_SETRESUID, 1,
1475 [Define if your setresuid() is broken])
1476 AC_MSG_RESULT(not implemented)],
1477 [AC_MSG_WARN([cross compiling: not checking setresuid])]
1481 AC_CHECK_FUNCS(setresgid, [
1482 dnl Some platorms have setresgid that isn't implemented, test for this
1483 AC_MSG_CHECKING(if setresgid seems to work)
1488 int main(){errno=0; setresgid(0,0,0); if (errno==ENOSYS) exit(1); else exit(0);}
1490 [AC_MSG_RESULT(yes)],
1491 [AC_DEFINE(BROKEN_SETRESGID, 1,
1492 [Define if your setresgid() is broken])
1493 AC_MSG_RESULT(not implemented)],
1494 [AC_MSG_WARN([cross compiling: not checking setresuid])]
1498 dnl Checks for time functions
1499 AC_CHECK_FUNCS(gettimeofday time)
1500 dnl Checks for utmp functions
1501 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
1502 AC_CHECK_FUNCS(utmpname)
1503 dnl Checks for utmpx functions
1504 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
1505 AC_CHECK_FUNCS(setutxent utmpxname)
1507 AC_CHECK_FUNC(daemon,
1508 [AC_DEFINE(HAVE_DAEMON, 1, [Define if your libraries define daemon()])],
1509 [AC_CHECK_LIB(bsd, daemon,
1510 [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
1513 AC_CHECK_FUNC(getpagesize,
1514 [AC_DEFINE(HAVE_GETPAGESIZE, 1,
1515 [Define if your libraries define getpagesize()])],
1516 [AC_CHECK_LIB(ucb, getpagesize,
1517 [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
1520 # Check for broken snprintf
1521 if test "x$ac_cv_func_snprintf" = "xyes" ; then
1522 AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
1526 int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');}
1528 [AC_MSG_RESULT(yes)],
1531 AC_DEFINE(BROKEN_SNPRINTF, 1,
1532 [Define if your snprintf is busted])
1533 AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
1535 [ AC_MSG_WARN([cross compiling: Assuming working snprintf()]) ]
1539 # If we don't have a working asprintf, then we strongly depend on vsnprintf
1540 # returning the right thing on overflow: the number of characters it tried to
1541 # create (as per SUSv3)
1542 if test "x$ac_cv_func_asprintf" != "xyes" && \
1543 test "x$ac_cv_func_vsnprintf" = "xyes" ; then
1544 AC_MSG_CHECKING([whether vsnprintf returns correct values on overflow])
1547 #include <sys/types.h>
1551 int x_snprintf(char *str,size_t count,const char *fmt,...)
1553 size_t ret; va_list ap;
1554 va_start(ap, fmt); ret = vsnprintf(str, count, fmt, ap); va_end(ap);
1560 exit(x_snprintf(x, 1, "%s %d", "hello", 12345) == 11 ? 0 : 1);
1562 [AC_MSG_RESULT(yes)],
1565 AC_DEFINE(BROKEN_SNPRINTF, 1,
1566 [Define if your snprintf is busted])
1567 AC_MSG_WARN([****** Your vsnprintf() function is broken, complain to your vendor])
1569 [ AC_MSG_WARN([cross compiling: Assuming working vsnprintf()]) ]
1573 # On systems where [v]snprintf is broken, but is declared in stdio,
1574 # check that the fmt argument is const char * or just char *.
1575 # This is only useful for when BROKEN_SNPRINTF
1576 AC_MSG_CHECKING([whether snprintf can declare const char *fmt])
1577 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
1578 int snprintf(char *a, size_t b, const char *c, ...) { return 0; }
1579 int main(void) { snprintf(0, 0, 0); }
1582 AC_DEFINE(SNPRINTF_CONST, [const],
1583 [Define as const if snprintf() can declare const char *fmt])],
1585 AC_DEFINE(SNPRINTF_CONST, [/* not const */])])
1587 # Check for missing getpeereid (or equiv) support
1589 if test "x$ac_cv_func_getpeereid" != "xyes" -a "x$ac_cv_func_getpeerucred" != "xyes"; then
1590 AC_MSG_CHECKING([whether system supports SO_PEERCRED getsockopt])
1592 [#include <sys/types.h>
1593 #include <sys/socket.h>],
1594 [int i = SO_PEERCRED;],
1595 [ AC_MSG_RESULT(yes)
1596 AC_DEFINE(HAVE_SO_PEERCRED, 1, [Have PEERCRED socket option])
1603 dnl see whether mkstemp() requires XXXXXX
1604 if test "x$ac_cv_func_mkdtemp" = "xyes" ; then
1605 AC_MSG_CHECKING([for (overly) strict mkstemp])
1609 main() { char template[]="conftest.mkstemp-test";
1610 if (mkstemp(template) == -1)
1612 unlink(template); exit(0);
1620 AC_DEFINE(HAVE_STRICT_MKSTEMP, 1, [Silly mkstemp()])
1624 AC_DEFINE(HAVE_STRICT_MKSTEMP)
1629 dnl make sure that openpty does not reacquire controlling terminal
1630 if test ! -z "$check_for_openpty_ctty_bug"; then
1631 AC_MSG_CHECKING(if openpty correctly handles controlling tty)
1635 #include <sys/fcntl.h>
1636 #include <sys/types.h>
1637 #include <sys/wait.h>
1643 int fd, ptyfd, ttyfd, status;
1646 if (pid < 0) { /* failed */
1648 } else if (pid > 0) { /* parent */
1649 waitpid(pid, &status, 0);
1650 if (WIFEXITED(status))
1651 exit(WEXITSTATUS(status));
1654 } else { /* child */
1655 close(0); close(1); close(2);
1657 openpty(&ptyfd, &ttyfd, NULL, NULL, NULL);
1658 fd = open("/dev/tty", O_RDWR | O_NOCTTY);
1660 exit(3); /* Acquired ctty: broken */
1662 exit(0); /* Did not acquire ctty: OK */
1671 AC_DEFINE(SSHD_ACQUIRES_CTTY)
1674 AC_MSG_RESULT(cross-compiling, assuming yes)
1679 if test "x$ac_cv_func_getaddrinfo" = "xyes" && \
1680 test "x$check_for_hpux_broken_getaddrinfo" = "x1"; then
1681 AC_MSG_CHECKING(if getaddrinfo seems to work)
1685 #include <sys/socket.h>
1688 #include <netinet/in.h>
1690 #define TEST_PORT "2222"
1696 struct addrinfo *gai_ai, *ai, hints;
1697 char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL;
1699 memset(&hints, 0, sizeof(hints));
1700 hints.ai_family = PF_UNSPEC;
1701 hints.ai_socktype = SOCK_STREAM;
1702 hints.ai_flags = AI_PASSIVE;
1704 err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai);
1706 fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err));
1710 for (ai = gai_ai; ai != NULL; ai = ai->ai_next) {
1711 if (ai->ai_family != AF_INET6)
1714 err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop,
1715 sizeof(ntop), strport, sizeof(strport),
1716 NI_NUMERICHOST|NI_NUMERICSERV);
1719 if (err == EAI_SYSTEM)
1720 perror("getnameinfo EAI_SYSTEM");
1722 fprintf(stderr, "getnameinfo failed: %s\n",
1727 sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
1730 if (bind(sock, ai->ai_addr, ai->ai_addrlen) < 0) {
1743 AC_DEFINE(BROKEN_GETADDRINFO)
1746 AC_MSG_RESULT(cross-compiling, assuming yes)
1751 if test "x$ac_cv_func_getaddrinfo" = "xyes" && \
1752 test "x$check_for_aix_broken_getaddrinfo" = "x1"; then
1753 AC_MSG_CHECKING(if getaddrinfo seems to work)
1757 #include <sys/socket.h>
1760 #include <netinet/in.h>
1762 #define TEST_PORT "2222"
1768 struct addrinfo *gai_ai, *ai, hints;
1769 char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL;
1771 memset(&hints, 0, sizeof(hints));
1772 hints.ai_family = PF_UNSPEC;
1773 hints.ai_socktype = SOCK_STREAM;
1774 hints.ai_flags = AI_PASSIVE;
1776 err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai);
1778 fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err));
1782 for (ai = gai_ai; ai != NULL; ai = ai->ai_next) {
1783 if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6)
1786 err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop,
1787 sizeof(ntop), strport, sizeof(strport),
1788 NI_NUMERICHOST|NI_NUMERICSERV);
1790 if (ai->ai_family == AF_INET && err != 0) {
1791 perror("getnameinfo");
1800 AC_DEFINE(AIX_GETNAMEINFO_HACK, 1,
1801 [Define if you have a getaddrinfo that fails
1802 for the all-zeros IPv6 address])
1806 AC_DEFINE(BROKEN_GETADDRINFO)
1809 AC_MSG_RESULT(cross-compiling, assuming no)
1814 if test "x$check_for_conflicting_getspnam" = "x1"; then
1815 AC_MSG_CHECKING(for conflicting getspnam in shadow.h)
1819 int main(void) {exit(0);}
1826 AC_DEFINE(GETSPNAM_CONFLICTING_DEFS, 1,
1827 [Conflicting defs for getspnam])
1834 # Search for OpenSSL
1835 saved_CPPFLAGS="$CPPFLAGS"
1836 saved_LDFLAGS="$LDFLAGS"
1837 AC_ARG_WITH(ssl-dir,
1838 [ --with-ssl-dir=PATH Specify path to OpenSSL installation ],
1840 if test "x$withval" != "xno" ; then
1843 ./*|../*) withval="`pwd`/$withval"
1845 if test -d "$withval/lib"; then
1846 if test -n "${need_dash_r}"; then
1847 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
1849 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
1852 if test -n "${need_dash_r}"; then
1853 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
1855 LDFLAGS="-L${withval} ${LDFLAGS}"
1858 if test -d "$withval/include"; then
1859 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
1861 CPPFLAGS="-I${withval} ${CPPFLAGS}"
1866 LIBS="-lcrypto $LIBS"
1867 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL, 1,
1868 [Define if your ssl headers are included
1869 with #include <openssl/header.h>]),
1871 dnl Check default openssl install dir
1872 if test -n "${need_dash_r}"; then
1873 LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
1875 LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
1877 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
1878 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
1880 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
1886 # Determine OpenSSL header version
1887 AC_MSG_CHECKING([OpenSSL header version])
1892 #include <openssl/opensslv.h>
1893 #define DATA "conftest.sslincver"
1898 fd = fopen(DATA,"w");
1902 if ((rc = fprintf(fd ,"%x (%s)\n", OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT)) <0)
1909 ssl_header_ver=`cat conftest.sslincver`
1910 AC_MSG_RESULT($ssl_header_ver)
1913 AC_MSG_RESULT(not found)
1914 AC_MSG_ERROR(OpenSSL version header not found.)
1917 AC_MSG_WARN([cross compiling: not checking])
1921 # Determine OpenSSL library version
1922 AC_MSG_CHECKING([OpenSSL library version])
1927 #include <openssl/opensslv.h>
1928 #include <openssl/crypto.h>
1929 #define DATA "conftest.ssllibver"
1934 fd = fopen(DATA,"w");
1938 if ((rc = fprintf(fd ,"%x (%s)\n", SSLeay(), SSLeay_version(SSLEAY_VERSION))) <0)
1945 ssl_library_ver=`cat conftest.ssllibver`
1946 AC_MSG_RESULT($ssl_library_ver)
1949 AC_MSG_RESULT(not found)
1950 AC_MSG_ERROR(OpenSSL library not found.)
1953 AC_MSG_WARN([cross compiling: not checking])
1957 AC_ARG_WITH(openssl-header-check,
1958 [ --without-openssl-header-check Disable OpenSSL version consistency check],
1959 [ if test "x$withval" = "xno" ; then
1960 openssl_check_nonfatal=1
1965 # Sanity check OpenSSL headers
1966 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
1970 #include <openssl/opensslv.h>
1971 int main(void) { exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
1978 if test "x$openssl_check_nonfatal" = "x"; then
1979 AC_MSG_ERROR([Your OpenSSL headers do not match your
1980 library. Check config.log for details.
1981 If you are sure your installation is consistent, you can disable the check
1982 by running "./configure --without-openssl-header-check".
1983 Also see contrib/findssl.sh for help identifying header/library mismatches.
1986 AC_MSG_WARN([Your OpenSSL headers do not match your
1987 library. Check config.log for details.
1988 Also see contrib/findssl.sh for help identifying header/library mismatches.])
1992 AC_MSG_WARN([cross compiling: not checking])
1996 AC_MSG_CHECKING([if programs using OpenSSL functions will link])
1999 #include <openssl/evp.h>
2000 int main(void) { SSLeay_add_all_algorithms(); }
2009 AC_MSG_CHECKING([if programs using OpenSSL need -ldl])
2012 #include <openssl/evp.h>
2013 int main(void) { SSLeay_add_all_algorithms(); }
2026 AC_ARG_WITH(ssl-engine,
2027 [ --with-ssl-engine Enable OpenSSL (hardware) ENGINE support ],
2028 [ if test "x$withval" != "xno" ; then
2029 AC_MSG_CHECKING(for OpenSSL ENGINE support)
2031 [ #include <openssl/engine.h>],
2033 ENGINE_load_builtin_engines();ENGINE_register_all_complete();
2035 [ AC_MSG_RESULT(yes)
2036 AC_DEFINE(USE_OPENSSL_ENGINE, 1,
2037 [Enable OpenSSL engine support])
2039 [ AC_MSG_ERROR(OpenSSL ENGINE support not found)]
2044 # Check for OpenSSL without EVP_aes_{192,256}_cbc
2045 AC_MSG_CHECKING([whether OpenSSL has crippled AES support])
2049 #include <openssl/evp.h>
2050 int main(void) { exit(EVP_aes_192_cbc() == NULL || EVP_aes_256_cbc() == NULL);}
2057 AC_DEFINE(OPENSSL_LOBOTOMISED_AES, 1,
2058 [libcrypto is missing AES 192 and 256 bit functions])
2062 # Some systems want crypt() from libcrypt, *not* the version in OpenSSL,
2063 # because the system crypt() is more featureful.
2064 if test "x$check_for_libcrypt_before" = "x1"; then
2065 AC_CHECK_LIB(crypt, crypt)
2068 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
2069 # version in OpenSSL.
2070 if test "x$check_for_libcrypt_later" = "x1"; then
2071 AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
2074 # Search for SHA256 support in libc and/or OpenSSL
2075 AC_CHECK_FUNCS(SHA256_Update EVP_sha256)
2078 AC_CHECK_LIB(iaf, ia_openinfo, [
2080 AC_CHECK_FUNCS(set_id, [SSHDLIBS="$SSHDLIBS -liaf"
2081 AC_DEFINE(HAVE_LIBIAF, 1,
2082 [Define if system has libiaf that supports set_id])
2087 ### Configure cryptographic random number support
2089 # Check wheter OpenSSL seeds itself
2090 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
2094 #include <openssl/rand.h>
2095 int main(void) { exit(RAND_status() == 1 ? 0 : 1); }
2098 OPENSSL_SEEDS_ITSELF=yes
2103 # Default to use of the rand helper if OpenSSL doesn't
2108 AC_MSG_WARN([cross compiling: assuming yes])
2109 # This is safe, since all recent OpenSSL versions will
2110 # complain at runtime if not seeded correctly.
2111 OPENSSL_SEEDS_ITSELF=yes
2115 # Check for PAM libs
2118 [ --with-pam Enable PAM support ],
2120 if test "x$withval" != "xno" ; then
2121 if test "x$ac_cv_header_security_pam_appl_h" != "xyes" && \
2122 test "x$ac_cv_header_pam_pam_appl_h" != "xyes" ; then
2123 AC_MSG_ERROR([PAM headers not found])
2127 AC_CHECK_LIB(dl, dlopen, , )
2128 AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
2129 AC_CHECK_FUNCS(pam_getenvlist)
2130 AC_CHECK_FUNCS(pam_putenv)
2135 SSHDLIBS="$SSHDLIBS -lpam"
2136 AC_DEFINE(USE_PAM, 1,
2137 [Define if you want to enable PAM support])
2139 if test $ac_cv_lib_dl_dlopen = yes; then
2142 # libdl already in LIBS
2145 SSHDLIBS="$SSHDLIBS -ldl"
2153 # Check for older PAM
2154 if test "x$PAM_MSG" = "xyes" ; then
2155 # Check PAM strerror arguments (old PAM)
2156 AC_MSG_CHECKING([whether pam_strerror takes only one argument])
2160 #if defined(HAVE_SECURITY_PAM_APPL_H)
2161 #include <security/pam_appl.h>
2162 #elif defined (HAVE_PAM_PAM_APPL_H)
2163 #include <pam/pam_appl.h>
2166 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
2167 [AC_MSG_RESULT(no)],
2169 AC_DEFINE(HAVE_OLD_PAM, 1,
2170 [Define if you have an old version of PAM
2171 which takes only one argument to pam_strerror])
2173 PAM_MSG="yes (old library)"
2178 # Do we want to force the use of the rand helper?
2179 AC_ARG_WITH(rand-helper,
2180 [ --with-rand-helper Use subprocess to gather strong randomness ],
2182 if test "x$withval" = "xno" ; then
2183 # Force use of OpenSSL's internal RNG, even if
2184 # the previous test showed it to be unseeded.
2185 if test -z "$OPENSSL_SEEDS_ITSELF" ; then
2186 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
2187 OPENSSL_SEEDS_ITSELF=yes
2196 # Which randomness source do we use?
2197 if test ! -z "$OPENSSL_SEEDS_ITSELF" && test -z "$USE_RAND_HELPER" ; then
2199 AC_DEFINE(OPENSSL_PRNG_ONLY, 1,
2200 [Define if you want OpenSSL's internally seeded PRNG only])
2201 RAND_MSG="OpenSSL internal ONLY"
2202 INSTALL_SSH_RAND_HELPER=""
2203 elif test ! -z "$USE_RAND_HELPER" ; then
2204 # install rand helper
2205 RAND_MSG="ssh-rand-helper"
2206 INSTALL_SSH_RAND_HELPER="yes"
2208 AC_SUBST(INSTALL_SSH_RAND_HELPER)
2210 ### Configuration of ssh-rand-helper
2213 AC_ARG_WITH(prngd-port,
2214 [ --with-prngd-port=PORT read entropy from PRNGD/EGD TCP localhost:PORT],
2223 AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
2226 if test ! -z "$withval" ; then
2227 PRNGD_PORT="$withval"
2228 AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT,
2229 [Port number of PRNGD/EGD random number socket])
2234 # PRNGD Unix domain socket
2235 AC_ARG_WITH(prngd-socket,
2236 [ --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
2240 withval="/var/run/egd-pool"
2248 AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
2252 if test ! -z "$withval" ; then
2253 if test ! -z "$PRNGD_PORT" ; then
2254 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
2256 if test ! -r "$withval" ; then
2257 AC_MSG_WARN(Entropy socket is not readable)
2259 PRNGD_SOCKET="$withval"
2260 AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET",
2261 [Location of PRNGD/EGD random number socket])
2265 # Check for existing socket only if we don't have a random device already
2266 if test "$USE_RAND_HELPER" = yes ; then
2267 AC_MSG_CHECKING(for PRNGD/EGD socket)
2268 # Insert other locations here
2269 for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
2270 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
2271 PRNGD_SOCKET="$sock"
2272 AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
2276 if test ! -z "$PRNGD_SOCKET" ; then
2277 AC_MSG_RESULT($PRNGD_SOCKET)
2279 AC_MSG_RESULT(not found)
2285 # Change default command timeout for hashing entropy source
2287 AC_ARG_WITH(entropy-timeout,
2288 [ --with-entropy-timeout Specify entropy gathering command timeout (msec)],
2290 if test -n "$withval" && test "x$withval" != "xno" && \
2291 test "x${withval}" != "xyes"; then
2292 entropy_timeout=$withval
2296 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout,
2297 [Builtin PRNG command timeout])
2299 SSH_PRIVSEP_USER=sshd
2300 AC_ARG_WITH(privsep-user,
2301 [ --with-privsep-user=user Specify non-privileged user for privilege separation],
2303 if test -n "$withval" && test "x$withval" != "xno" && \
2304 test "x${withval}" != "xyes"; then
2305 SSH_PRIVSEP_USER=$withval
2309 AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$SSH_PRIVSEP_USER",
2310 [non-privileged user for privilege separation])
2311 AC_SUBST(SSH_PRIVSEP_USER)
2313 # We do this little dance with the search path to insure
2314 # that programs that we select for use by installed programs
2315 # (which may be run by the super-user) come from trusted
2316 # locations before they come from the user's private area.
2317 # This should help avoid accidentally configuring some
2318 # random version of a program in someone's personal bin.
2322 test -h /bin 2> /dev/null && PATH=/usr/bin
2323 test -d /sbin && PATH=$PATH:/sbin
2324 test -d /usr/sbin && PATH=$PATH:/usr/sbin
2325 PATH=$PATH:/etc:$OPATH
2327 # These programs are used by the command hashing source to gather entropy
2328 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
2329 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
2330 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
2331 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
2332 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
2333 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
2334 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
2335 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
2336 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
2337 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
2338 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
2339 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
2340 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
2341 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
2342 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
2343 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
2347 # Where does ssh-rand-helper get its randomness from?
2348 INSTALL_SSH_PRNG_CMDS=""
2349 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
2350 if test ! -z "$PRNGD_PORT" ; then
2351 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
2352 elif test ! -z "$PRNGD_SOCKET" ; then
2353 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
2355 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
2356 RAND_HELPER_CMDHASH=yes
2357 INSTALL_SSH_PRNG_CMDS="yes"
2360 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
2363 # Cheap hack to ensure NEWS-OS libraries are arranged right.
2364 if test ! -z "$SONY" ; then
2365 LIBS="$LIBS -liberty";
2368 # Check for long long datatypes
2369 AC_CHECK_TYPES([long long, unsigned long long, long double])
2371 # Check datatype sizes
2372 AC_CHECK_SIZEOF(char, 1)
2373 AC_CHECK_SIZEOF(short int, 2)
2374 AC_CHECK_SIZEOF(int, 4)
2375 AC_CHECK_SIZEOF(long int, 4)
2376 AC_CHECK_SIZEOF(long long int, 8)
2378 # Sanity check long long for some platforms (AIX)
2379 if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
2380 ac_cv_sizeof_long_long_int=0
2383 # compute LLONG_MIN and LLONG_MAX if we don't know them.
2384 if test -z "$have_llong_max"; then
2385 AC_MSG_CHECKING([for max value of long long])
2389 /* Why is this so damn hard? */
2393 #define __USE_ISOC99
2395 #define DATA "conftest.llminmax"
2396 #define my_abs(a) ((a) < 0 ? ((a) * -1) : (a))
2399 * printf in libc on some platforms (eg old Tru64) does not understand %lld so
2400 * we do this the hard way.
2403 fprint_ll(FILE *f, long long n)
2406 int l[sizeof(long long) * 8];
2409 if (fprintf(f, "-") < 0)
2411 for (i = 0; n != 0; i++) {
2412 l[i] = my_abs(n % 10);
2416 if (fprintf(f, "%d", l[--i]) < 0)
2419 if (fprintf(f, " ") < 0)
2426 long long i, llmin, llmax = 0;
2428 if((f = fopen(DATA,"w")) == NULL)
2431 #if defined(LLONG_MIN) && defined(LLONG_MAX)
2432 fprintf(stderr, "Using system header for LLONG_MIN and LLONG_MAX\n");
2436 fprintf(stderr, "Calculating LLONG_MIN and LLONG_MAX\n");
2437 /* This will work on one's complement and two's complement */
2438 for (i = 1; i > llmax; i <<= 1, i++)
2440 llmin = llmax + 1LL; /* wrap */
2444 if (llmin + 1 < llmin || llmin - 1 < llmin || llmax + 1 > llmax
2445 || llmax - 1 > llmax || llmin == llmax || llmin == 0
2446 || llmax == 0 || llmax < LONG_MAX || llmin > LONG_MIN) {
2447 fprintf(f, "unknown unknown\n");
2451 if (fprint_ll(f, llmin) < 0)
2453 if (fprint_ll(f, llmax) < 0)
2461 llong_min=`$AWK '{print $1}' conftest.llminmax`
2462 llong_max=`$AWK '{print $2}' conftest.llminmax`
2464 AC_MSG_RESULT($llong_max)
2465 AC_DEFINE_UNQUOTED(LLONG_MAX, [${llong_max}LL],
2466 [max value of long long calculated by configure])
2467 AC_MSG_CHECKING([for min value of long long])
2468 AC_MSG_RESULT($llong_min)
2469 AC_DEFINE_UNQUOTED(LLONG_MIN, [${llong_min}LL],
2470 [min value of long long calculated by configure])
2473 AC_MSG_RESULT(not found)
2476 AC_MSG_WARN([cross compiling: not checking])
2482 # More checks for data types
2483 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
2485 [ #include <sys/types.h> ],
2487 [ ac_cv_have_u_int="yes" ],
2488 [ ac_cv_have_u_int="no" ]
2491 if test "x$ac_cv_have_u_int" = "xyes" ; then
2492 AC_DEFINE(HAVE_U_INT, 1, [define if you have u_int data type])
2496 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
2498 [ #include <sys/types.h> ],
2499 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
2500 [ ac_cv_have_intxx_t="yes" ],
2501 [ ac_cv_have_intxx_t="no" ]
2504 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
2505 AC_DEFINE(HAVE_INTXX_T, 1, [define if you have intxx_t data type])
2509 if (test -z "$have_intxx_t" && \
2510 test "x$ac_cv_header_stdint_h" = "xyes")
2512 AC_MSG_CHECKING([for intXX_t types in stdint.h])
2514 [ #include <stdint.h> ],
2515 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
2517 AC_DEFINE(HAVE_INTXX_T)
2520 [ AC_MSG_RESULT(no) ]
2524 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
2527 #include <sys/types.h>
2528 #ifdef HAVE_STDINT_H
2529 # include <stdint.h>
2531 #include <sys/socket.h>
2532 #ifdef HAVE_SYS_BITYPES_H
2533 # include <sys/bitypes.h>
2536 [ int64_t a; a = 1;],
2537 [ ac_cv_have_int64_t="yes" ],
2538 [ ac_cv_have_int64_t="no" ]
2541 if test "x$ac_cv_have_int64_t" = "xyes" ; then
2542 AC_DEFINE(HAVE_INT64_T, 1, [define if you have int64_t data type])
2545 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
2547 [ #include <sys/types.h> ],
2548 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
2549 [ ac_cv_have_u_intxx_t="yes" ],
2550 [ ac_cv_have_u_intxx_t="no" ]
2553 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
2554 AC_DEFINE(HAVE_U_INTXX_T, 1, [define if you have u_intxx_t data type])
2558 if test -z "$have_u_intxx_t" ; then
2559 AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
2561 [ #include <sys/socket.h> ],
2562 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
2564 AC_DEFINE(HAVE_U_INTXX_T)
2567 [ AC_MSG_RESULT(no) ]
2571 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
2573 [ #include <sys/types.h> ],
2574 [ u_int64_t a; a = 1;],
2575 [ ac_cv_have_u_int64_t="yes" ],
2576 [ ac_cv_have_u_int64_t="no" ]
2579 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
2580 AC_DEFINE(HAVE_U_INT64_T, 1, [define if you have u_int64_t data type])
2584 if test -z "$have_u_int64_t" ; then
2585 AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
2587 [ #include <sys/bitypes.h> ],
2588 [ u_int64_t a; a = 1],
2590 AC_DEFINE(HAVE_U_INT64_T)
2593 [ AC_MSG_RESULT(no) ]
2597 if test -z "$have_u_intxx_t" ; then
2598 AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
2601 #include <sys/types.h>
2603 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
2604 [ ac_cv_have_uintxx_t="yes" ],
2605 [ ac_cv_have_uintxx_t="no" ]
2608 if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
2609 AC_DEFINE(HAVE_UINTXX_T, 1,
2610 [define if you have uintxx_t data type])
2614 if test -z "$have_uintxx_t" ; then
2615 AC_MSG_CHECKING([for uintXX_t types in stdint.h])
2617 [ #include <stdint.h> ],
2618 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
2620 AC_DEFINE(HAVE_UINTXX_T)
2623 [ AC_MSG_RESULT(no) ]
2627 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
2628 test "x$ac_cv_header_sys_bitypes_h" = "xyes")
2630 AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
2633 #include <sys/bitypes.h>
2636 int8_t a; int16_t b; int32_t c;
2637 u_int8_t e; u_int16_t f; u_int32_t g;
2638 a = b = c = e = f = g = 1;
2641 AC_DEFINE(HAVE_U_INTXX_T)
2642 AC_DEFINE(HAVE_INTXX_T)
2650 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
2653 #include <sys/types.h>
2655 [ u_char foo; foo = 125; ],
2656 [ ac_cv_have_u_char="yes" ],
2657 [ ac_cv_have_u_char="no" ]
2660 if test "x$ac_cv_have_u_char" = "xyes" ; then
2661 AC_DEFINE(HAVE_U_CHAR, 1, [define if you have u_char data type])
2666 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
2667 AC_CHECK_TYPES([fsblkcnt_t, fsfilcnt_t],,,[
2668 #include <sys/types.h>
2669 #ifdef HAVE_SYS_BITYPES_H
2670 #include <sys/bitypes.h>
2672 #ifdef HAVE_SYS_STATFS_H
2673 #include <sys/statfs.h>
2675 #ifdef HAVE_SYS_STATVFS_H
2676 #include <sys/statvfs.h>
2680 AC_CHECK_TYPES(in_addr_t,,,
2681 [#include <sys/types.h>
2682 #include <netinet/in.h>])
2684 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
2687 #include <sys/types.h>
2689 [ size_t foo; foo = 1235; ],
2690 [ ac_cv_have_size_t="yes" ],
2691 [ ac_cv_have_size_t="no" ]
2694 if test "x$ac_cv_have_size_t" = "xyes" ; then
2695 AC_DEFINE(HAVE_SIZE_T, 1, [define if you have size_t data type])
2698 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
2701 #include <sys/types.h>
2703 [ ssize_t foo; foo = 1235; ],
2704 [ ac_cv_have_ssize_t="yes" ],
2705 [ ac_cv_have_ssize_t="no" ]
2708 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
2709 AC_DEFINE(HAVE_SSIZE_T, 1, [define if you have ssize_t data type])
2712 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
2717 [ clock_t foo; foo = 1235; ],
2718 [ ac_cv_have_clock_t="yes" ],
2719 [ ac_cv_have_clock_t="no" ]
2722 if test "x$ac_cv_have_clock_t" = "xyes" ; then
2723 AC_DEFINE(HAVE_CLOCK_T, 1, [define if you have clock_t data type])
2726 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
2729 #include <sys/types.h>
2730 #include <sys/socket.h>
2732 [ sa_family_t foo; foo = 1235; ],
2733 [ ac_cv_have_sa_family_t="yes" ],
2736 #include <sys/types.h>
2737 #include <sys/socket.h>
2738 #include <netinet/in.h>
2740 [ sa_family_t foo; foo = 1235; ],
2741 [ ac_cv_have_sa_family_t="yes" ],
2743 [ ac_cv_have_sa_family_t="no" ]
2747 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
2748 AC_DEFINE(HAVE_SA_FAMILY_T, 1,
2749 [define if you have sa_family_t data type])
2752 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
2755 #include <sys/types.h>
2757 [ pid_t foo; foo = 1235; ],
2758 [ ac_cv_have_pid_t="yes" ],
2759 [ ac_cv_have_pid_t="no" ]
2762 if test "x$ac_cv_have_pid_t" = "xyes" ; then
2763 AC_DEFINE(HAVE_PID_T, 1, [define if you have pid_t data type])
2766 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
2769 #include <sys/types.h>
2771 [ mode_t foo; foo = 1235; ],
2772 [ ac_cv_have_mode_t="yes" ],
2773 [ ac_cv_have_mode_t="no" ]
2776 if test "x$ac_cv_have_mode_t" = "xyes" ; then
2777 AC_DEFINE(HAVE_MODE_T, 1, [define if you have mode_t data type])
2781 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
2784 #include <sys/types.h>
2785 #include <sys/socket.h>
2787 [ struct sockaddr_storage s; ],
2788 [ ac_cv_have_struct_sockaddr_storage="yes" ],
2789 [ ac_cv_have_struct_sockaddr_storage="no" ]
2792 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
2793 AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE, 1,
2794 [define if you have struct sockaddr_storage data type])
2797 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
2800 #include <sys/types.h>
2801 #include <netinet/in.h>
2803 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
2804 [ ac_cv_have_struct_sockaddr_in6="yes" ],
2805 [ ac_cv_have_struct_sockaddr_in6="no" ]
2808 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
2809 AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6, 1,
2810 [define if you have struct sockaddr_in6 data type])
2813 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
2816 #include <sys/types.h>
2817 #include <netinet/in.h>
2819 [ struct in6_addr s; s.s6_addr[0] = 0; ],
2820 [ ac_cv_have_struct_in6_addr="yes" ],
2821 [ ac_cv_have_struct_in6_addr="no" ]
2824 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
2825 AC_DEFINE(HAVE_STRUCT_IN6_ADDR, 1,
2826 [define if you have struct in6_addr data type])
2829 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
2832 #include <sys/types.h>
2833 #include <sys/socket.h>
2836 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
2837 [ ac_cv_have_struct_addrinfo="yes" ],
2838 [ ac_cv_have_struct_addrinfo="no" ]
2841 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
2842 AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1,
2843 [define if you have struct addrinfo data type])
2846 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
2848 [ #include <sys/time.h> ],
2849 [ struct timeval tv; tv.tv_sec = 1;],
2850 [ ac_cv_have_struct_timeval="yes" ],
2851 [ ac_cv_have_struct_timeval="no" ]
2854 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
2855 AC_DEFINE(HAVE_STRUCT_TIMEVAL, 1, [define if you have struct timeval])
2856 have_struct_timeval=1
2859 AC_CHECK_TYPES(struct timespec)
2861 # We need int64_t or else certian parts of the compile will fail.
2862 if test "x$ac_cv_have_int64_t" = "xno" && \
2863 test "x$ac_cv_sizeof_long_int" != "x8" && \
2864 test "x$ac_cv_sizeof_long_long_int" = "x0" ; then
2865 echo "OpenSSH requires int64_t support. Contact your vendor or install"
2866 echo "an alternative compiler (I.E., GCC) before continuing."
2870 dnl test snprintf (broken on SCO w/gcc)
2875 #ifdef HAVE_SNPRINTF
2879 char expected_out[50];
2881 #if (SIZEOF_LONG_INT == 8)
2882 long int num = 0x7fffffffffffffff;
2884 long long num = 0x7fffffffffffffffll;
2886 strcpy(expected_out, "9223372036854775807");
2887 snprintf(buf, mazsize, "%lld", num);
2888 if(strcmp(buf, expected_out) != 0)
2895 ]])], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ],
2896 AC_MSG_WARN([cross compiling: Assuming working snprintf()])
2900 dnl Checks for structure members
2901 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
2902 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
2903 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
2904 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
2905 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
2906 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
2907 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
2908 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
2909 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
2910 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
2911 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
2912 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
2913 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
2914 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
2915 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
2916 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
2917 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
2919 AC_CHECK_MEMBERS([struct stat.st_blksize])
2920 AC_CHECK_MEMBER([struct __res_state.retrans], [], [AC_DEFINE(__res_state, state,
2921 [Define if we don't have struct __res_state in resolv.h])],
2924 #if HAVE_SYS_TYPES_H
2925 # include <sys/types.h>
2927 #include <netinet/in.h>
2928 #include <arpa/nameser.h>
2932 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
2933 ac_cv_have_ss_family_in_struct_ss, [
2936 #include <sys/types.h>
2937 #include <sys/socket.h>
2939 [ struct sockaddr_storage s; s.ss_family = 1; ],
2940 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
2941 [ ac_cv_have_ss_family_in_struct_ss="no" ],
2944 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
2945 AC_DEFINE(HAVE_SS_FAMILY_IN_SS, 1, [Fields in struct sockaddr_storage])
2948 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
2949 ac_cv_have___ss_family_in_struct_ss, [
2952 #include <sys/types.h>
2953 #include <sys/socket.h>
2955 [ struct sockaddr_storage s; s.__ss_family = 1; ],
2956 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
2957 [ ac_cv_have___ss_family_in_struct_ss="no" ]
2960 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
2961 AC_DEFINE(HAVE___SS_FAMILY_IN_SS, 1,
2962 [Fields in struct sockaddr_storage])
2965 AC_CACHE_CHECK([for pw_class field in struct passwd],
2966 ac_cv_have_pw_class_in_struct_passwd, [
2971 [ struct passwd p; p.pw_class = 0; ],
2972 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
2973 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
2976 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
2977 AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD, 1,
2978 [Define if your password has a pw_class field])
2981 AC_CACHE_CHECK([for pw_expire field in struct passwd],
2982 ac_cv_have_pw_expire_in_struct_passwd, [
2987 [ struct passwd p; p.pw_expire = 0; ],
2988 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
2989 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
2992 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
2993 AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD, 1,
2994 [Define if your password has a pw_expire field])
2997 AC_CACHE_CHECK([for pw_change field in struct passwd],
2998 ac_cv_have_pw_change_in_struct_passwd, [
3003 [ struct passwd p; p.pw_change = 0; ],
3004 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
3005 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
3008 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
3009 AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD, 1,
3010 [Define if your password has a pw_change field])
3013 dnl make sure we're using the real structure members and not defines
3014 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
3015 ac_cv_have_accrights_in_msghdr, [
3018 #include <sys/types.h>
3019 #include <sys/socket.h>
3020 #include <sys/uio.h>
3022 #ifdef msg_accrights
3023 #error "msg_accrights is a macro"
3027 m.msg_accrights = 0;
3031 [ ac_cv_have_accrights_in_msghdr="yes" ],
3032 [ ac_cv_have_accrights_in_msghdr="no" ]
3035 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
3036 AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR, 1,
3037 [Define if your system uses access rights style
3038 file descriptor passing])
3041 AC_MSG_CHECKING(if f_fsid has val members)
3043 #include <sys/types.h>
3044 #include <sys/statvfs.h>],
3045 [struct fsid_t t; t.val[0] = 0;],
3046 [ AC_MSG_RESULT(yes)
3047 AC_DEFINE(FSID_HAS_VAL, 1, f_fsid has members) ],
3048 [ AC_MSG_RESULT(no) ]
3051 AC_CACHE_CHECK([for msg_control field in struct msghdr],
3052 ac_cv_have_control_in_msghdr, [
3055 #include <sys/types.h>
3056 #include <sys/socket.h>
3057 #include <sys/uio.h>
3060 #error "msg_control is a macro"
3068 [ ac_cv_have_control_in_msghdr="yes" ],
3069 [ ac_cv_have_control_in_msghdr="no" ]
3072 if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
3073 AC_DEFINE(HAVE_CONTROL_IN_MSGHDR, 1,
3074 [Define if your system uses ancillary data style
3075 file descriptor passing])
3078 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
3080 [ extern char *__progname; printf("%s", __progname); ],
3081 [ ac_cv_libc_defines___progname="yes" ],
3082 [ ac_cv_libc_defines___progname="no" ]
3085 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
3086 AC_DEFINE(HAVE___PROGNAME, 1, [Define if libc defines __progname])
3089 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
3093 [ printf("%s", __FUNCTION__); ],
3094 [ ac_cv_cc_implements___FUNCTION__="yes" ],
3095 [ ac_cv_cc_implements___FUNCTION__="no" ]
3098 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
3099 AC_DEFINE(HAVE___FUNCTION__, 1,
3100 [Define if compiler implements __FUNCTION__])
3103 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
3107 [ printf("%s", __func__); ],
3108 [ ac_cv_cc_implements___func__="yes" ],
3109 [ ac_cv_cc_implements___func__="no" ]
3112 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
3113 AC_DEFINE(HAVE___func__, 1, [Define if compiler implements __func__])
3116 AC_CACHE_CHECK([whether va_copy exists], ac_cv_have_va_copy, [
3118 [#include <stdarg.h>
3121 [ ac_cv_have_va_copy="yes" ],
3122 [ ac_cv_have_va_copy="no" ]
3125 if test "x$ac_cv_have_va_copy" = "xyes" ; then
3126 AC_DEFINE(HAVE_VA_COPY, 1, [Define if va_copy exists])
3129 AC_CACHE_CHECK([whether __va_copy exists], ac_cv_have___va_copy, [
3131 [#include <stdarg.h>
3134 [ ac_cv_have___va_copy="yes" ],
3135 [ ac_cv_have___va_copy="no" ]
3138 if test "x$ac_cv_have___va_copy" = "xyes" ; then
3139 AC_DEFINE(HAVE___VA_COPY, 1, [Define if __va_copy exists])
3142 AC_CACHE_CHECK([whether getopt has optreset support],
3143 ac_cv_have_getopt_optreset, [
3148 [ extern int optreset; optreset = 0; ],
3149 [ ac_cv_have_getopt_optreset="yes" ],
3150 [ ac_cv_have_getopt_optreset="no" ]
3153 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
3154 AC_DEFINE(HAVE_GETOPT_OPTRESET, 1,
3155 [Define if your getopt(3) defines and uses optreset])
3158 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
3160 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
3161 [ ac_cv_libc_defines_sys_errlist="yes" ],
3162 [ ac_cv_libc_defines_sys_errlist="no" ]
3165 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
3166 AC_DEFINE(HAVE_SYS_ERRLIST, 1,
3167 [Define if your system defines sys_errlist[]])
3171 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
3173 [ extern int sys_nerr; printf("%i", sys_nerr);],
3174 [ ac_cv_libc_defines_sys_nerr="yes" ],
3175 [ ac_cv_libc_defines_sys_nerr="no" ]
3178 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
3179 AC_DEFINE(HAVE_SYS_NERR, 1, [Define if your system defines sys_nerr])
3183 # Check whether user wants sectok support
3185 [ --with-sectok Enable smartcard support using libsectok],
3187 if test "x$withval" != "xno" ; then
3188 if test "x$withval" != "xyes" ; then
3189 CPPFLAGS="$CPPFLAGS -I${withval}"
3190 LDFLAGS="$LDFLAGS -L${withval}"
3191 if test ! -z "$need_dash_r" ; then
3192 LDFLAGS="$LDFLAGS -R${withval}"
3194 if test ! -z "$blibpath" ; then
3195 blibpath="$blibpath:${withval}"
3198 AC_CHECK_HEADERS(sectok.h)
3199 if test "$ac_cv_header_sectok_h" != yes; then
3200 AC_MSG_ERROR(Can't find sectok.h)
3202 AC_CHECK_LIB(sectok, sectok_open)
3203 if test "$ac_cv_lib_sectok_sectok_open" != yes; then
3204 AC_MSG_ERROR(Can't find libsectok)
3206 AC_DEFINE(SMARTCARD, 1,
3207 [Define if you want smartcard support])
3208 AC_DEFINE(USE_SECTOK, 1,
3209 [Define if you want smartcard support
3211 SCARD_MSG="yes, using sectok"
3216 # Check whether user wants OpenSC support
3219 [ --with-opensc[[=PFX]] Enable smartcard support using OpenSC (optionally in PATH)],
3221 if test "x$withval" != "xno" ; then
3222 if test "x$withval" != "xyes" ; then
3223 OPENSC_CONFIG=$withval/bin/opensc-config
3225 AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
3227 if test "$OPENSC_CONFIG" != "no"; then
3228 LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
3229 LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
3230 CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
3231 LIBS="$LIBS $LIBOPENSC_LIBS"
3232 AC_DEFINE(SMARTCARD)
3233 AC_DEFINE(USE_OPENSC, 1,
3234 [Define if you want smartcard support
3236 SCARD_MSG="yes, using OpenSC"
3242 # Check libraries needed by DNS fingerprint support
3243 AC_SEARCH_LIBS(getrrsetbyname, resolv,
3244 [AC_DEFINE(HAVE_GETRRSETBYNAME, 1,
3245 [Define if getrrsetbyname() exists])],
3247 # Needed by our getrrsetbyname()
3248 AC_SEARCH_LIBS(res_query, resolv)
3249 AC_SEARCH_LIBS(dn_expand, resolv)
3250 AC_MSG_CHECKING(if res_query will link)
3251 AC_TRY_LINK_FUNC(res_query, AC_MSG_RESULT(yes),
3254 LIBS="$LIBS -lresolv"
3255 AC_MSG_CHECKING(for res_query in -lresolv)
3260 res_query (0, 0, 0, 0, 0);
3264 [LIBS="$LIBS -lresolv"
3265 AC_MSG_RESULT(yes)],
3269 AC_CHECK_FUNCS(_getshort _getlong)
3270 AC_CHECK_DECLS([_getshort, _getlong], , ,
3271 [#include <sys/types.h>
3272 #include <arpa/nameser.h>])
3273 AC_CHECK_MEMBER(HEADER.ad,
3274 [AC_DEFINE(HAVE_HEADER_AD, 1,
3275 [Define if HEADER.ad exists in arpa/nameser.h])],,
3276 [#include <arpa/nameser.h>])
3279 AC_MSG_CHECKING(if struct __res_state _res is an extern)
3282 #if HAVE_SYS_TYPES_H
3283 # include <sys/types.h>
3285 #include <netinet/in.h>
3286 #include <arpa/nameser.h>
3288 extern struct __res_state _res;
3289 int main() { return 0; }
3292 AC_DEFINE(HAVE__RES_EXTERN, 1,
3293 [Define if you have struct __res_state _res as an extern])
3295 [ AC_MSG_RESULT(no) ]
3298 # Check whether user wants SELinux support
3301 AC_ARG_WITH(selinux,
3302 [ --with-selinux Enable SELinux support],
3303 [ if test "x$withval" != "xno" ; then
3305 AC_DEFINE(WITH_SELINUX,1,[Define if you want SELinux support.])
3307 AC_CHECK_HEADER([selinux/selinux.h], ,
3308 AC_MSG_ERROR(SELinux support requires selinux.h header))
3309 AC_CHECK_LIB(selinux, setexeccon, [ LIBSELINUX="-lselinux" ],
3310 AC_MSG_ERROR(SELinux support requires libselinux library))
3311 SSHDLIBS="$SSHDLIBS $LIBSELINUX"
3312 AC_CHECK_FUNCS(getseuserbyname get_default_context_with_level)
3317 # Check whether user wants Kerberos 5 support
3319 AC_ARG_WITH(kerberos5,
3320 [ --with-kerberos5=PATH Enable Kerberos 5 support],
3321 [ if test "x$withval" != "xno" ; then
3322 if test "x$withval" = "xyes" ; then
3323 KRB5ROOT="/usr/local"
3328 AC_DEFINE(KRB5, 1, [Define if you want Kerberos 5 support])
3331 AC_MSG_CHECKING(for krb5-config)
3332 if test -x $KRB5ROOT/bin/krb5-config ; then
3333 KRB5CONF=$KRB5ROOT/bin/krb5-config
3334 AC_MSG_RESULT($KRB5CONF)
3336 AC_MSG_CHECKING(for gssapi support)
3337 if $KRB5CONF | grep gssapi >/dev/null ; then
3339 AC_DEFINE(GSSAPI, 1,
3340 [Define this if you want GSSAPI
3341 support in the version 2 protocol])
3347 K5CFLAGS="`$KRB5CONF --cflags $k5confopts`"
3348 K5LIBS="`$KRB5CONF --libs $k5confopts`"
3349 CPPFLAGS="$CPPFLAGS $K5CFLAGS"
3350 AC_MSG_CHECKING(whether we are using Heimdal)
3351 AC_TRY_COMPILE([ #include <krb5.h> ],
3352 [ char *tmp = heimdal_version; ],
3353 [ AC_MSG_RESULT(yes)
3354 AC_DEFINE(HEIMDAL, 1,
3355 [Define this if you are using the
3356 Heimdal version of Kerberos V5]) ],
3361 CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
3362 LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
3363 AC_MSG_CHECKING(whether we are using Heimdal)
3364 AC_TRY_COMPILE([ #include <krb5.h> ],
3365 [ char *tmp = heimdal_version; ],
3366 [ AC_MSG_RESULT(yes)
3368 K5LIBS="-lkrb5 -ldes"
3369 K5LIBS="$K5LIBS -lcom_err -lasn1"
3370 AC_CHECK_LIB(roken, net_write,
3371 [K5LIBS="$K5LIBS -lroken"])
3374 K5LIBS="-lkrb5 -lk5crypto -lcom_err"
3377 AC_SEARCH_LIBS(dn_expand, resolv)
3379 AC_CHECK_LIB(gssapi_krb5, gss_init_sec_context,
3381 K5LIBS="-lgssapi_krb5 $K5LIBS" ],
3382 [ AC_CHECK_LIB(gssapi, gss_init_sec_context,
3384 K5LIBS="-lgssapi $K5LIBS" ],
3385 AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
3390 AC_CHECK_HEADER(gssapi.h, ,
3391 [ unset ac_cv_header_gssapi_h
3392 CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
3393 AC_CHECK_HEADERS(gssapi.h, ,
3394 AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
3400 CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
3401 AC_CHECK_HEADER(gssapi_krb5.h, ,
3402 [ CPPFLAGS="$oldCPP" ])
3405 if test ! -z "$need_dash_r" ; then
3406 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
3408 if test ! -z "$blibpath" ; then
3409 blibpath="$blibpath:${KRB5ROOT}/lib"
3412 AC_CHECK_HEADERS(gssapi.h gssapi/gssapi.h)
3413 AC_CHECK_HEADERS(gssapi_krb5.h gssapi/gssapi_krb5.h)
3414 AC_CHECK_HEADERS(gssapi_generic.h gssapi/gssapi_generic.h)
3416 LIBS="$LIBS $K5LIBS"
3417 AC_SEARCH_LIBS(k_hasafs, kafs, AC_DEFINE(USE_AFS, 1,
3418 [Define this if you want to use libkafs' AFS support]))
3423 # Looking for programs, paths and files
3425 PRIVSEP_PATH=/var/empty
3426 AC_ARG_WITH(privsep-path,
3427 [ --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)],
3429 if test -n "$withval" && test "x$withval" != "xno" && \
3430 test "x${withval}" != "xyes"; then
3431 PRIVSEP_PATH=$withval
3435 AC_SUBST(PRIVSEP_PATH)
3438 [ --with-xauth=PATH Specify path to xauth program ],
3440 if test -n "$withval" && test "x$withval" != "xno" && \
3441 test "x${withval}" != "xyes"; then
3447 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X/bin"
3448 TestPath="${TestPath}${PATH_SEPARATOR}/usr/bin/X11"
3449 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X11R6/bin"
3450 TestPath="${TestPath}${PATH_SEPARATOR}/usr/openwin/bin"
3451 AC_PATH_PROG(xauth_path, xauth, , $TestPath)
3452 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
3453 xauth_path="/usr/openwin/bin/xauth"
3459 AC_ARG_ENABLE(strip,
3460 [ --disable-strip Disable calling strip(1) on install],
3462 if test "x$enableval" = "xno" ; then
3469 if test -z "$xauth_path" ; then
3470 XAUTH_PATH="undefined"
3471 AC_SUBST(XAUTH_PATH)
3473 AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path",
3474 [Define if xauth is found in your path])
3475 XAUTH_PATH=$xauth_path
3476 AC_SUBST(XAUTH_PATH)
3479 # Check for mail directory (last resort if we cannot get it from headers)
3480 if test ! -z "$MAIL" ; then
3481 maildir=`dirname $MAIL`
3482 AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir",
3483 [Set this to your mail directory if you don't have maillock.h])
3486 if test ! -z "$cross_compiling" && test "x$cross_compiling" = "xyes"; then
3487 AC_MSG_WARN([cross compiling: Disabling /dev/ptmx test])
3488 disable_ptmx_check=yes
3490 if test -z "$no_dev_ptmx" ; then
3491 if test "x$disable_ptmx_check" != "xyes" ; then
3492 AC_CHECK_FILE("/dev/ptmx",
3494 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX, 1,
3495 [Define if you have /dev/ptmx])
3502 if test ! -z "$cross_compiling" && test "x$cross_compiling" != "xyes"; then
3503 AC_CHECK_FILE("/dev/ptc",
3505 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC, 1,
3506 [Define if you have /dev/ptc])
3511 AC_MSG_WARN([cross compiling: Disabling /dev/ptc test])
3514 # Options from here on. Some of these are preset by platform above
3515 AC_ARG_WITH(mantype,
3516 [ --with-mantype=man|cat|doc Set man page type],
3523 AC_MSG_ERROR(invalid man type: $withval)
3528 if test -z "$MANTYPE"; then
3529 TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb"
3530 AC_PATH_PROGS(NROFF, nroff awf, /bin/false, $TestPath)
3531 if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
3533 elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
3540 if test "$MANTYPE" = "doc"; then
3547 # Check whether to enable MD5 passwords
3549 AC_ARG_WITH(md5-passwords,
3550 [ --with-md5-passwords Enable use of MD5 passwords],
3552 if test "x$withval" != "xno" ; then
3553 AC_DEFINE(HAVE_MD5_PASSWORDS, 1,
3554 [Define if you want to allow MD5 passwords])
3560 # Whether to disable shadow password support
3562 [ --without-shadow Disable shadow password support],
3564 if test "x$withval" = "xno" ; then
3565 AC_DEFINE(DISABLE_SHADOW)
3571 if test -z "$disable_shadow" ; then
3572 AC_MSG_CHECKING([if the systems has expire shadow information])
3575 #include <sys/types.h>
3578 ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
3579 [ sp_expire_available=yes ], []
3582 if test "x$sp_expire_available" = "xyes" ; then
3584 AC_DEFINE(HAS_SHADOW_EXPIRE, 1,
3585 [Define if you want to use shadow password expire field])
3591 # Use ip address instead of hostname in $DISPLAY
3592 if test ! -z "$IPADDR_IN_DISPLAY" ; then
3593 DISPLAY_HACK_MSG="yes"
3594 AC_DEFINE(IPADDR_IN_DISPLAY, 1,
3595 [Define if you need to use IP address
3596 instead of hostname in $DISPLAY])
3598 DISPLAY_HACK_MSG="no"
3599 AC_ARG_WITH(ipaddr-display,
3600 [ --with-ipaddr-display Use ip address instead of hostname in \$DISPLAY],
3602 if test "x$withval" != "xno" ; then
3603 AC_DEFINE(IPADDR_IN_DISPLAY)
3604 DISPLAY_HACK_MSG="yes"
3610 # check for /etc/default/login and use it if present.
3611 AC_ARG_ENABLE(etc-default-login,
3612 [ --disable-etc-default-login Disable using PATH from /etc/default/login [no]],
3613 [ if test "x$enableval" = "xno"; then
3614 AC_MSG_NOTICE([/etc/default/login handling disabled])
3615 etc_default_login=no
3617 etc_default_login=yes
3619 [ if test ! -z "$cross_compiling" && test "x$cross_compiling" = "xyes";
3621 AC_MSG_WARN([cross compiling: not checking /etc/default/login])
3622 etc_default_login=no
3624 etc_default_login=yes
3628 if test "x$etc_default_login" != "xno"; then
3629 AC_CHECK_FILE("/etc/default/login",
3630 [ external_path_file=/etc/default/login ])
3631 if test "x$external_path_file" = "x/etc/default/login"; then
3632 AC_DEFINE(HAVE_ETC_DEFAULT_LOGIN, 1,
3633 [Define if your system has /etc/default/login])
3637 dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
3638 if test $ac_cv_func_login_getcapbool = "yes" && \
3639 test $ac_cv_header_login_cap_h = "yes" ; then
3640 external_path_file=/etc/login.conf
3643 # Whether to mess with the default path
3644 SERVER_PATH_MSG="(default)"
3645 AC_ARG_WITH(default-path,
3646 [ --with-default-path= Specify default \$PATH environment for server],
3648 if test "x$external_path_file" = "x/etc/login.conf" ; then
3650 --with-default-path=PATH has no effect on this system.
3651 Edit /etc/login.conf instead.])
3652 elif test "x$withval" != "xno" ; then
3653 if test ! -z "$external_path_file" ; then
3655 --with-default-path=PATH will only be used if PATH is not defined in
3656 $external_path_file .])
3658 user_path="$withval"
3659 SERVER_PATH_MSG="$withval"
3662 [ if test "x$external_path_file" = "x/etc/login.conf" ; then
3663 AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
3665 if test ! -z "$external_path_file" ; then
3667 If PATH is defined in $external_path_file, ensure the path to scp is included,
3668 otherwise scp will not work.])
3672 /* find out what STDPATH is */
3677 #ifndef _PATH_STDPATH
3678 # ifdef _PATH_USERPATH /* Irix */
3679 # define _PATH_STDPATH _PATH_USERPATH
3681 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
3684 #include <sys/types.h>
3685 #include <sys/stat.h>
3687 #define DATA "conftest.stdpath"
3694 fd = fopen(DATA,"w");
3698 if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
3704 [ user_path=`cat conftest.stdpath` ],
3705 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
3706 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
3708 # make sure $bindir is in USER_PATH so scp will work
3709 t_bindir=`eval echo ${bindir}`
3711 NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
3714 NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
3716 echo $user_path | grep ":$t_bindir" > /dev/null 2>&1
3717 if test $? -ne 0 ; then
3718 echo $user_path | grep "^$t_bindir" > /dev/null 2>&1
3719 if test $? -ne 0 ; then
3720 user_path=$user_path:$t_bindir
3721 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
3726 if test "x$external_path_file" != "x/etc/login.conf" ; then
3727 AC_DEFINE_UNQUOTED(USER_PATH, "$user_path", [Specify default $PATH])
3731 # Set superuser path separately to user path
3732 AC_ARG_WITH(superuser-path,
3733 [ --with-superuser-path= Specify different path for super-user],
3735 if test -n "$withval" && test "x$withval" != "xno" && \
3736 test "x${withval}" != "xyes"; then
3737 AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval",
3738 [Define if you want a different $PATH
3740 superuser_path=$withval
3746 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
3747 IPV4_IN6_HACK_MSG="no"
3749 [ --with-4in6 Check for and convert IPv4 in IPv6 mapped addresses],
3751 if test "x$withval" != "xno" ; then
3753 AC_DEFINE(IPV4_IN_IPV6, 1,
3754 [Detect IPv4 in IPv6 mapped addresses
3756 IPV4_IN6_HACK_MSG="yes"
3761 if test "x$inet6_default_4in6" = "xyes"; then
3762 AC_MSG_RESULT([yes (default)])
3763 AC_DEFINE(IPV4_IN_IPV6)
3764 IPV4_IN6_HACK_MSG="yes"
3766 AC_MSG_RESULT([no (default)])
3771 # Whether to enable BSD auth support
3773 AC_ARG_WITH(bsd-auth,
3774 [ --with-bsd-auth Enable BSD auth support],
3776 if test "x$withval" != "xno" ; then
3777 AC_DEFINE(BSD_AUTH, 1,
3778 [Define if you have BSD auth support])
3784 # Where to place sshd.pid
3786 # make sure the directory exists
3787 if test ! -d $piddir ; then
3788 piddir=`eval echo ${sysconfdir}`
3790 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
3794 AC_ARG_WITH(pid-dir,
3795 [ --with-pid-dir=PATH Specify location of ssh.pid file],
3797 if test -n "$withval" && test "x$withval" != "xno" && \
3798 test "x${withval}" != "xyes"; then
3800 if test ! -d $piddir ; then
3801 AC_MSG_WARN([** no $piddir directory on this system **])
3807 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir", [Specify location of ssh.pid])
3810 dnl allow user to disable some login recording features
3811 AC_ARG_ENABLE(lastlog,
3812 [ --disable-lastlog disable use of lastlog even if detected [no]],
3814 if test "x$enableval" = "xno" ; then
3815 AC_DEFINE(DISABLE_LASTLOG)
3820 [ --disable-utmp disable use of utmp even if detected [no]],
3822 if test "x$enableval" = "xno" ; then
3823 AC_DEFINE(DISABLE_UTMP)
3827 AC_ARG_ENABLE(utmpx,
3828 [ --disable-utmpx disable use of utmpx even if detected [no]],
3830 if test "x$enableval" = "xno" ; then
3831 AC_DEFINE(DISABLE_UTMPX, 1,
3832 [Define if you don't want to use utmpx])
3837 [ --disable-wtmp disable use of wtmp even if detected [no]],
3839 if test "x$enableval" = "xno" ; then
3840 AC_DEFINE(DISABLE_WTMP)
3844 AC_ARG_ENABLE(wtmpx,
3845 [ --disable-wtmpx disable use of wtmpx even if detected [no]],
3847 if test "x$enableval" = "xno" ; then
3848 AC_DEFINE(DISABLE_WTMPX, 1,
3849 [Define if you don't want to use wtmpx])
3853 AC_ARG_ENABLE(libutil,
3854 [ --disable-libutil disable use of libutil (login() etc.) [no]],
3856 if test "x$enableval" = "xno" ; then
3857 AC_DEFINE(DISABLE_LOGIN)
3861 AC_ARG_ENABLE(pututline,
3862 [ --disable-pututline disable use of pututline() etc. ([uw]tmp) [no]],
3864 if test "x$enableval" = "xno" ; then
3865 AC_DEFINE(DISABLE_PUTUTLINE, 1,
3866 [Define if you don't want to use pututline()
3867 etc. to write [uw]tmp])
3871 AC_ARG_ENABLE(pututxline,
3872 [ --disable-pututxline disable use of pututxline() etc. ([uw]tmpx) [no]],
3874 if test "x$enableval" = "xno" ; then
3875 AC_DEFINE(DISABLE_PUTUTXLINE, 1,
3876 [Define if you don't want to use pututxline()
3877 etc. to write [uw]tmpx])
3881 AC_ARG_WITH(lastlog,
3882 [ --with-lastlog=FILE|DIR specify lastlog location [common locations]],
3884 if test "x$withval" = "xno" ; then
3885 AC_DEFINE(DISABLE_LASTLOG)
3886 elif test -n "$withval" && test "x${withval}" != "xyes"; then
3887 conf_lastlog_location=$withval
3892 dnl lastlog, [uw]tmpx? detection
3893 dnl NOTE: set the paths in the platform section to avoid the
3894 dnl need for command-line parameters
3895 dnl lastlog and [uw]tmp are subject to a file search if all else fails
3897 dnl lastlog detection
3898 dnl NOTE: the code itself will detect if lastlog is a directory
3899 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
3901 #include <sys/types.h>
3903 #ifdef HAVE_LASTLOG_H
3904 # include <lastlog.h>
3913 [ char *lastlog = LASTLOG_FILE; ],
3914 [ AC_MSG_RESULT(yes) ],
3917 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
3919 #include <sys/types.h>
3921 #ifdef HAVE_LASTLOG_H
3922 # include <lastlog.h>
3928 [ char *lastlog = _PATH_LASTLOG; ],
3929 [ AC_MSG_RESULT(yes) ],
3932 system_lastlog_path=no
3937 if test -z "$conf_lastlog_location"; then
3938 if test x"$system_lastlog_path" = x"no" ; then
3939 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
3940 if (test -d "$f" || test -f "$f") ; then
3941 conf_lastlog_location=$f
3944 if test -z "$conf_lastlog_location"; then
3945 AC_MSG_WARN([** Cannot find lastlog **])
3946 dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
3951 if test -n "$conf_lastlog_location"; then
3952 AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location",
3953 [Define if you want to specify the path to your lastlog file])
3957 AC_MSG_CHECKING([if your system defines UTMP_FILE])
3959 #include <sys/types.h>
3965 [ char *utmp = UTMP_FILE; ],
3966 [ AC_MSG_RESULT(yes) ],
3968 system_utmp_path=no ]
3970 if test -z "$conf_utmp_location"; then
3971 if test x"$system_utmp_path" = x"no" ; then
3972 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
3973 if test -f $f ; then
3974 conf_utmp_location=$f
3977 if test -z "$conf_utmp_location"; then
3978 AC_DEFINE(DISABLE_UTMP)
3982 if test -n "$conf_utmp_location"; then
3983 AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location",
3984 [Define if you want to specify the path to your utmp file])
3988 AC_MSG_CHECKING([if your system defines WTMP_FILE])
3990 #include <sys/types.h>
3996 [ char *wtmp = WTMP_FILE; ],
3997 [ AC_MSG_RESULT(yes) ],
3999 system_wtmp_path=no ]
4001 if test -z "$conf_wtmp_location"; then
4002 if test x"$system_wtmp_path" = x"no" ; then
4003 for f in /usr/adm/wtmp /var/log/wtmp; do
4004 if test -f $f ; then
4005 conf_wtmp_location=$f
4008 if test -z "$conf_wtmp_location"; then
4009 AC_DEFINE(DISABLE_WTMP)
4013 if test -n "$conf_wtmp_location"; then
4014 AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location",
4015 [Define if you want to specify the path to your wtmp file])
4019 dnl utmpx detection - I don't know any system so perverse as to require
4020 dnl utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
4022 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
4024 #include <sys/types.h>
4033 [ char *utmpx = UTMPX_FILE; ],
4034 [ AC_MSG_RESULT(yes) ],
4036 system_utmpx_path=no ]
4038 if test -z "$conf_utmpx_location"; then
4039 if test x"$system_utmpx_path" = x"no" ; then
4040 AC_DEFINE(DISABLE_UTMPX)
4043 AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location",
4044 [Define if you want to specify the path to your utmpx file])
4048 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
4050 #include <sys/types.h>
4059 [ char *wtmpx = WTMPX_FILE; ],
4060 [ AC_MSG_RESULT(yes) ],
4062 system_wtmpx_path=no ]
4064 if test -z "$conf_wtmpx_location"; then
4065 if test x"$system_wtmpx_path" = x"no" ; then
4066 AC_DEFINE(DISABLE_WTMPX)
4069 AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location",
4070 [Define if you want to specify the path to your wtmpx file])
4074 if test ! -z "$blibpath" ; then
4075 LDFLAGS="$LDFLAGS $blibflags$blibpath"
4076 AC_MSG_WARN([Please check and edit blibpath in LDFLAGS in Makefile])
4079 dnl Adding -Werror to CFLAGS early prevents configure tests from running.
4081 CFLAGS="$CFLAGS $werror_flags"
4083 if grep "#define BROKEN_GETADDRINFO 1" confdefs.h >/dev/null || \
4084 test "x$ac_cv_func_getaddrinfo" != "xyes" ; then
4085 AC_SUBST(TEST_SSH_IPV6, no)
4087 AC_SUBST(TEST_SSH_IPV6, yes)
4091 AC_CONFIG_FILES([Makefile buildpkg.sh opensshd.init openssh.xml \
4092 openbsd-compat/Makefile openbsd-compat/regress/Makefile \
4093 scard/Makefile ssh_prng_cmds survey.sh])
4096 # Print summary of options
4098 # Someone please show me a better way :)
4099 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
4100 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
4101 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
4102 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
4103 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
4104 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
4105 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
4106 H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
4107 I=`eval echo ${user_path}` ; I=`eval echo ${I}`
4108 J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
4111 echo "OpenSSH has been configured with the following options:"
4112 echo " User binaries: $B"
4113 echo " System binaries: $C"
4114 echo " Configuration files: $D"
4115 echo " Askpass program: $E"
4116 echo " Manual pages: $F"
4117 echo " PID file: $G"
4118 echo " Privilege separation chroot path: $H"
4119 if test "x$external_path_file" = "x/etc/login.conf" ; then
4120 echo " At runtime, sshd will use the path defined in $external_path_file"
4121 echo " Make sure the path to scp is present, otherwise scp will not work"
4123 echo " sshd default user PATH: $I"
4124 if test ! -z "$external_path_file"; then
4125 echo " (If PATH is set in $external_path_file it will be used instead. If"
4126 echo " used, ensure the path to scp is present, otherwise scp will not work.)"
4129 if test ! -z "$superuser_path" ; then
4130 echo " sshd superuser user PATH: $J"
4132 echo " Manpage format: $MANTYPE"
4133 echo " PAM support: $PAM_MSG"
4134 echo " OSF SIA support: $SIA_MSG"
4135 echo " KerberosV support: $KRB5_MSG"
4136 echo " SELinux support: $SELINUX_MSG"
4137 echo " Smartcard support: $SCARD_MSG"
4138 echo " S/KEY support: $SKEY_MSG"
4139 echo " TCP Wrappers support: $TCPW_MSG"
4140 echo " MD5 password support: $MD5_MSG"
4141 echo " libedit support: $LIBEDIT_MSG"
4142 echo " Solaris process contract support: $SPC_MSG"
4143 echo " IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
4144 echo " Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
4145 echo " BSD Auth support: $BSD_AUTH_MSG"
4146 echo " Random number source: $RAND_MSG"
4147 if test ! -z "$USE_RAND_HELPER" ; then
4148 echo " ssh-rand-helper collects from: $RAND_HELPER_MSG"
4153 echo " Host: ${host}"
4154 echo " Compiler: ${CC}"
4155 echo " Compiler flags: ${CFLAGS}"
4156 echo "Preprocessor flags: ${CPPFLAGS}"
4157 echo " Linker flags: ${LDFLAGS}"
4158 echo " Libraries: ${LIBS}"
4159 if test ! -z "${SSHDLIBS}"; then
4160 echo " +for sshd: ${SSHDLIBS}"
4165 if test "x$MAKE_PACKAGE_SUPPORTED" = "xyes" ; then
4166 echo "SVR4 style packages are supported with \"make package\""
4170 if test "x$PAM_MSG" = "xyes" ; then
4171 echo "PAM is enabled. You may need to install a PAM control file "
4172 echo "for sshd, otherwise password authentication may fail. "
4173 echo "Example PAM control files can be found in the contrib/ "
4178 if test ! -z "$RAND_HELPER_CMDHASH" ; then
4179 echo "WARNING: you are using the builtin random number collection "
4180 echo "service. Please read WARNING.RNG and request that your OS "
4181 echo "vendor includes kernel-based random number collection in "
4182 echo "future versions of your OS."
4186 if test ! -z "$NO_PEERCHECK" ; then
4187 echo "WARNING: the operating system that you are using does not"
4188 echo "appear to support getpeereid(), getpeerucred() or the"
4189 echo "SO_PEERCRED getsockopt() option. These facilities are used to"
4190 echo "enforce security checks to prevent unauthorised connections to"
4191 echo "ssh-agent. Their absence increases the risk that a malicious"
4192 echo "user can connect to your agent."
4196 if test "$AUDIT_MODULE" = "bsm" ; then
4197 echo "WARNING: BSM audit support is currently considered EXPERIMENTAL."
4198 echo "See the Solaris section in README.platform for details."