1# $Id: configure.ac,v 1.397 2008/03/27 01:33:07 djm Exp $
2#
3# Copyright (c) 1999-2004 Damien Miller
4#
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.
8#
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.
16
17AC_INIT(OpenSSH, Portable, openssh-unix-dev@mindrot.org)
18AC_REVISION($Revision: 1.397 $)
19AC_CONFIG_SRCDIR([ssh.c])
20
21AC_CONFIG_HEADER(config.h)
22AC_PROG_CC
23AC_CANONICAL_HOST
24AC_C_BIGENDIAN
25
26# Checks for programs.
27AC_PROG_AWK
28AC_PROG_CPP
29AC_PROG_RANLIB
30AC_PROG_INSTALL
31AC_PROG_EGREP
32AC_PATH_PROG(AR, ar)
33AC_PATH_PROG(CAT, cat)
34AC_PATH_PROG(KILL, kill)
35AC_PATH_PROGS(PERL, perl5 perl)
36AC_PATH_PROG(SED, sed)
37AC_SUBST(PERL)
38AC_PATH_PROG(ENT, ent)
39AC_SUBST(ENT)
40AC_PATH_PROG(TEST_MINUS_S_SH, bash)
41AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
42AC_PATH_PROG(TEST_MINUS_S_SH, sh)
43AC_PATH_PROG(SH, sh)
44AC_SUBST(TEST_SHELL,sh)
45
46dnl for buildpkg.sh
47AC_PATH_PROG(PATH_GROUPADD_PROG, groupadd, groupadd,
48 [/usr/sbin${PATH_SEPARATOR}/etc])
49AC_PATH_PROG(PATH_USERADD_PROG, useradd, useradd,
50 [/usr/sbin${PATH_SEPARATOR}/etc])
51AC_CHECK_PROG(MAKE_PACKAGE_SUPPORTED, pkgmk, yes, no)
52if test -x /sbin/sh; then
53 AC_SUBST(STARTUP_SCRIPT_SHELL,/sbin/sh)
54else
55 AC_SUBST(STARTUP_SCRIPT_SHELL,/bin/sh)
56fi
57
58# System features
59AC_SYS_LARGEFILE
60
61if test -z "$AR" ; then
62 AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
63fi
64
65# Use LOGIN_PROGRAM from environment if possible
66if 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])
70else
71 # Search for login
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")
75 fi
76fi
77
78AC_PATH_PROG(PATH_PASSWD_PROG, passwd)
79if test ! -z "$PATH_PASSWD_PROG" ; then
80 AC_DEFINE_UNQUOTED(_PATH_PASSWD_PROG, "$PATH_PASSWD_PROG",
81 [Full path of your "passwd" program])
82fi
83
84if test -z "$LD" ; then
85 LD=$CC
86fi
87AC_SUBST(LD)
88
89AC_C_INLINE
90
91AC_CHECK_DECL(LLONG_MAX, have_llong_max=1, , [#include <limits.h>])
92
93use_stack_protector=1
94AC_ARG_WITH(stackprotect,
95 [ --without-stackprotect Don't use compiler's stack protection], [
96 if test "x$withval" = "xno"; then
97 use_stack_protector=0
98 fi ])
99
100if test "$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}'`
103 case $GCC_VER in
104 1.*) no_attrib_nonnull=1 ;;
105 2.8* | 2.9*)
106 CFLAGS="$CFLAGS -Wsign-compare"
107 no_attrib_nonnull=1
108 ;;
109 2.*) no_attrib_nonnull=1 ;;
110 3.*) CFLAGS="$CFLAGS -Wsign-compare" ;;
111 4.*) CFLAGS="$CFLAGS -Wsign-compare -Wno-pointer-sign" ;;
112 *) ;;
113 esac
114
115 # -fstack-protector-all doesn't always work for some GCC versions
116 # and/or platforms, so we test if we can. If it's not supported
117 # on a give platform gcc will emit a warning so we use -Werror.
118 if test "x$use_stack_protector" = "x1"; then
119 for t in -fstack-protector-all -fstack-protector; do
120 AC_MSG_CHECKING(if $CC supports $t)
121 saved_CFLAGS="$CFLAGS"
122 saved_LDFLAGS="$LDFLAGS"
123 CFLAGS="$CFLAGS $t -Werror"
124 LDFLAGS="$LDFLAGS $t -Werror"
125 AC_LINK_IFELSE(
126 [AC_LANG_SOURCE([
127#include <stdlib.h>
128int main(void){return 0;}
129 ])],
130 [ AC_MSG_RESULT(yes)
131 CFLAGS="$saved_CFLAGS $t"
132 LDFLAGS="$saved_LDFLAGS $t"
133 AC_MSG_CHECKING(if $t works)
134 AC_RUN_IFELSE(
135 [AC_LANG_SOURCE([
136#include <stdlib.h>
137int main(void){exit(0);}
138 ])],
139 [ AC_MSG_RESULT(yes)
140 break ],
141 [ AC_MSG_RESULT(no) ],
142 [ AC_MSG_WARN([cross compiling: cannot test])
143 break ]
144 )
145 ],
146 [ AC_MSG_RESULT(no) ]
147 )
148 CFLAGS="$saved_CFLAGS"
149 LDFLAGS="$saved_LDFLAGS"
150 done
151 fi
152
153 if test -z "$have_llong_max"; then
154 # retry LLONG_MAX with -std=gnu99, needed on some Linuxes
155 unset ac_cv_have_decl_LLONG_MAX
156 saved_CFLAGS="$CFLAGS"
157 CFLAGS="$CFLAGS -std=gnu99"
158 AC_CHECK_DECL(LLONG_MAX,
159 [have_llong_max=1],
160 [CFLAGS="$saved_CFLAGS"],
161 [#include <limits.h>]
162 )
163 fi
164fi
165
166if test "x$no_attrib_nonnull" != "x1" ; then
167 AC_DEFINE(HAVE_ATTRIBUTE__NONNULL__, 1, [Have attribute nonnull])
168fi
169
170AC_ARG_WITH(rpath,
171 [ --without-rpath Disable auto-added -R linker paths],
172 [
173 if test "x$withval" = "xno" ; then
174 need_dash_r=""
175 fi
176 if test "x$withval" = "xyes" ; then
177 need_dash_r=1
178 fi
179 ]
180)
181
182# Allow user to specify flags
183AC_ARG_WITH(cflags,
184 [ --with-cflags Specify additional flags to pass to compiler],
185 [
186 if test -n "$withval" && test "x$withval" != "xno" && \
187 test "x${withval}" != "xyes"; then
188 CFLAGS="$CFLAGS $withval"
189 fi
190 ]
191)
192AC_ARG_WITH(cppflags,
193 [ --with-cppflags Specify additional flags to pass to preprocessor] ,
194 [
195 if test -n "$withval" && test "x$withval" != "xno" && \
196 test "x${withval}" != "xyes"; then
197 CPPFLAGS="$CPPFLAGS $withval"
198 fi
199 ]
200)
201AC_ARG_WITH(ldflags,
202 [ --with-ldflags Specify additional flags to pass to linker],
203 [
204 if test -n "$withval" && test "x$withval" != "xno" && \
205 test "x${withval}" != "xyes"; then
206 LDFLAGS="$LDFLAGS $withval"
207 fi
208 ]
209)
210AC_ARG_WITH(libs,
211 [ --with-libs Specify additional libraries to link with],
212 [
213 if test -n "$withval" && test "x$withval" != "xno" && \
214 test "x${withval}" != "xyes"; then
215 LIBS="$LIBS $withval"
216 fi
217 ]
218)
219AC_ARG_WITH(Werror,
220 [ --with-Werror Build main code with -Werror],
221 [
222 if test -n "$withval" && test "x$withval" != "xno"; then
223 werror_flags="-Werror"
224 if test "x${withval}" != "xyes"; then
225 werror_flags="$withval"
226 fi
227 fi
228 ]
229)
230
231AC_CHECK_HEADERS( \
232 bstring.h \
233 crypt.h \
234 crypto/sha2.h \
235 dirent.h \
236 endian.h \
237 features.h \
238 fcntl.h \
239 floatingpoint.h \
240 getopt.h \
241 glob.h \
242 ia.h \
243 iaf.h \
244 limits.h \
245 login.h \
246 maillock.h \
247 ndir.h \
248 net/if_tun.h \
249 netdb.h \
250 netgroup.h \
251 pam/pam_appl.h \
252 paths.h \
253 poll.h \
254 pty.h \
255 readpassphrase.h \
256 rpc/types.h \
257 security/pam_appl.h \
258 sha2.h \
259 shadow.h \
260 stddef.h \
261 stdint.h \
262 string.h \
263 strings.h \
264 sys/audit.h \
265 sys/bitypes.h \
266 sys/bsdtty.h \
267 sys/cdefs.h \
268 sys/dir.h \
269 sys/mman.h \
270 sys/ndir.h \
271 sys/poll.h \
272 sys/prctl.h \
273 sys/pstat.h \
274 sys/select.h \
275 sys/stat.h \
276 sys/stream.h \
277 sys/stropts.h \
278 sys/strtio.h \
279 sys/sysmacros.h \
280 sys/time.h \
281 sys/timers.h \
282 sys/un.h \
283 time.h \
284 tmpdir.h \
285 ttyent.h \
286 ucred.h \
287 unistd.h \
288 usersec.h \
289 util.h \
290 utime.h \
291 utmp.h \
292 utmpx.h \
293 vis.h \
294)
295
296# lastlog.h requires sys/time.h to be included first on Solaris
297AC_CHECK_HEADERS(lastlog.h, [], [], [
298#ifdef HAVE_SYS_TIME_H
299# include <sys/time.h>
300#endif
301])
302
303# sys/ptms.h requires sys/stream.h to be included first on Solaris
304AC_CHECK_HEADERS(sys/ptms.h, [], [], [
305#ifdef HAVE_SYS_STREAM_H
306# include <sys/stream.h>
307#endif
308])
309
310# login_cap.h requires sys/types.h on NetBSD
311AC_CHECK_HEADERS(login_cap.h, [], [], [
312#include <sys/types.h>
313])
314
315# Messages for features tested for in target-specific section
316SIA_MSG="no"
317SPC_MSG="no"
318
319# Check for some target-specific stuff
320case "$host" in
321*-*-aix*)
322 # Some versions of VAC won't allow macro redefinitions at
323 # -qlanglevel=ansi, and autoconf 2.60 sometimes insists on using that
324 # particularly with older versions of vac or xlc.
325 # It also throws errors about null macro argments, but these are
326 # not fatal.
327 AC_MSG_CHECKING(if compiler allows macro redefinitions)
328 AC_COMPILE_IFELSE(
329 [AC_LANG_SOURCE([[
330#define testmacro foo
331#define testmacro bar
332int main(void) { exit(0); }
333 ]])],
334 [ AC_MSG_RESULT(yes) ],
335 [ AC_MSG_RESULT(no)
336 CC="`echo $CC | sed 's/-qlanglvl\=ansi//g'`"
337 LD="`echo $LD | sed 's/-qlanglvl\=ansi//g'`"
338 CFLAGS="`echo $CFLAGS | sed 's/-qlanglvl\=ansi//g'`"
339 CPPFLAGS="`echo $CPPFLAGS | sed 's/-qlanglvl\=ansi//g'`"
340 ]
341 )
342
343 AC_MSG_CHECKING([how to specify blibpath for linker ($LD)])
344 if (test -z "$blibpath"); then
345 blibpath="/usr/lib:/lib"
346 fi
347 saved_LDFLAGS="$LDFLAGS"
348 if test "$GCC" = "yes"; then
349 flags="-Wl,-blibpath: -Wl,-rpath, -blibpath:"
350 else
351 flags="-blibpath: -Wl,-blibpath: -Wl,-rpath,"
352 fi
353 for tryflags in $flags ;do
354 if (test -z "$blibflags"); then
355 LDFLAGS="$saved_LDFLAGS $tryflags$blibpath"
356 AC_TRY_LINK([], [], [blibflags=$tryflags])
357 fi
358 done
359 if (test -z "$blibflags"); then
360 AC_MSG_RESULT(not found)
361 AC_MSG_ERROR([*** must be able to specify blibpath on AIX - check config.log])
362 else
363 AC_MSG_RESULT($blibflags)
364 fi
365 LDFLAGS="$saved_LDFLAGS"
366 dnl Check for authenticate. Might be in libs.a on older AIXes
367 AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE, 1,
368 [Define if you want to enable AIX4's authenticate function])],
369 [AC_CHECK_LIB(s,authenticate,
370 [ AC_DEFINE(WITH_AIXAUTHENTICATE)
371 LIBS="$LIBS -ls"
372 ])
373 ])
374 dnl Check for various auth function declarations in headers.
375 AC_CHECK_DECLS([authenticate, loginrestrictions, loginsuccess,
376 passwdexpired, setauthdb], , , [#include <usersec.h>])
377 dnl Check if loginfailed is declared and takes 4 arguments (AIX >= 5.2)
378 AC_CHECK_DECLS(loginfailed,
379 [AC_MSG_CHECKING(if loginfailed takes 4 arguments)
380 AC_TRY_COMPILE(
381 [#include <usersec.h>],
382 [(void)loginfailed("user","host","tty",0);],
383 [AC_MSG_RESULT(yes)
384 AC_DEFINE(AIX_LOGINFAILED_4ARG, 1,
385 [Define if your AIX loginfailed() function
386 takes 4 arguments (AIX >= 5.2)])],
387 [AC_MSG_RESULT(no)]
388 )],
389 [],
390 [#include <usersec.h>]
391 )
392 AC_CHECK_FUNCS(getgrset setauthdb)
393 AC_CHECK_DECL(F_CLOSEM,
394 AC_DEFINE(HAVE_FCNTL_CLOSEM, 1, [Use F_CLOSEM fcntl for closefrom]),
395 [],
396 [ #include <limits.h>
397 #include <fcntl.h> ]
398 )
399 check_for_aix_broken_getaddrinfo=1
400 AC_DEFINE(BROKEN_REALPATH, 1, [Define if you have a broken realpath.])
401 AC_DEFINE(SETEUID_BREAKS_SETUID, 1,
402 [Define if your platform breaks doing a seteuid before a setuid])
403 AC_DEFINE(BROKEN_SETREUID, 1, [Define if your setreuid() is broken])
404 AC_DEFINE(BROKEN_SETREGID, 1, [Define if your setregid() is broken])
405 dnl AIX handles lastlog as part of its login message
406 AC_DEFINE(DISABLE_LASTLOG, 1, [Define if you don't want to use lastlog])
407 AC_DEFINE(LOGIN_NEEDS_UTMPX, 1,
408 [Some systems need a utmpx entry for /bin/login to work])
409 AC_DEFINE(SPT_TYPE,SPT_REUSEARGV,
410 [Define to a Set Process Title type if your system is
411 supported by bsd-setproctitle.c])
412 AC_DEFINE(SSHPAM_CHAUTHTOK_NEEDS_RUID, 1,
413 [AIX 5.2 and 5.3 (and presumably newer) require this])
414 AC_DEFINE(PTY_ZEROREAD, 1, [read(1) can return 0 for a non-closed fd])
415 ;;
416*-*-cygwin*)
417 check_for_libcrypt_later=1
418 LIBS="$LIBS /usr/lib/textreadmode.o"
419 AC_DEFINE(HAVE_CYGWIN, 1, [Define if you are on Cygwin])
420 AC_DEFINE(USE_PIPES, 1, [Use PIPES instead of a socketpair()])
421 AC_DEFINE(DISABLE_SHADOW, 1,
422 [Define if you want to disable shadow passwords])
423 AC_DEFINE(IP_TOS_IS_BROKEN, 1,
424 [Define if your system choked on IP TOS setting])
425 AC_DEFINE(NO_X11_UNIX_SOCKETS, 1,
426 [Define if X11 doesn't support AF_UNIX sockets on that system])
427 AC_DEFINE(NO_IPPORT_RESERVED_CONCEPT, 1,
428 [Define if the concept of ports only accessible to
429 superusers isn't known])
430 AC_DEFINE(DISABLE_FD_PASSING, 1,
431 [Define if your platform needs to skip post auth
432 file descriptor passing])
433 ;;
434*-*-dgux*)
435 AC_DEFINE(IP_TOS_IS_BROKEN)
436 AC_DEFINE(SETEUID_BREAKS_SETUID)
437 AC_DEFINE(BROKEN_SETREUID)
438 AC_DEFINE(BROKEN_SETREGID)
439 ;;
440*-*-darwin*)
441 AC_MSG_CHECKING(if we have working getaddrinfo)
442 AC_TRY_RUN([#include <mach-o/dyld.h>
443main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
444 exit(0);
445 else
446 exit(1);
447}], [AC_MSG_RESULT(working)],
448 [AC_MSG_RESULT(buggy)
449 AC_DEFINE(BROKEN_GETADDRINFO, 1, [getaddrinfo is broken (if present)])],
450 [AC_MSG_RESULT(assume it is working)])
451 AC_DEFINE(SETEUID_BREAKS_SETUID)
452 AC_DEFINE(BROKEN_SETREUID)
453 AC_DEFINE(BROKEN_SETREGID)
454 AC_DEFINE(BROKEN_GLOB, 1, [OS X glob does not do what we expect])
455 AC_DEFINE_UNQUOTED(BIND_8_COMPAT, 1,
456 [Define if your resolver libs need this for getrrsetbyname])
457 AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
458 AC_DEFINE(SSH_TUN_COMPAT_AF, 1,
459 [Use tunnel device compatibility to OpenBSD])
460 AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
461 [Prepend the address family to IP tunnel traffic])
462 m4_pattern_allow(AU_IPv)
463 AC_CHECK_DECL(AU_IPv4, [],
464 AC_DEFINE(AU_IPv4, 0, [System only supports IPv4 audit records])
465 [#include <bsm/audit.h>]
466 )
467 ;;
468*-*-dragonfly*)
469 SSHDLIBS="$SSHDLIBS -lcrypt"
470 ;;
471*-*-hpux*)
472 # first we define all of the options common to all HP-UX releases
473 CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
474 IPADDR_IN_DISPLAY=yes
475 AC_DEFINE(USE_PIPES)
476 AC_DEFINE(LOGIN_NO_ENDOPT, 1,
477 [Define if your login program cannot handle end of options ("--")])
478 AC_DEFINE(LOGIN_NEEDS_UTMPX)
479 AC_DEFINE(LOCKED_PASSWD_STRING, "*",
480 [String used in /etc/passwd to denote locked account])
481 AC_DEFINE(SPT_TYPE,SPT_PSTAT)
482 MAIL="/var/mail/username"
483 LIBS="$LIBS -lsec"
484 AC_CHECK_LIB(xnet, t_error, ,
485 AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
486
487 # next, we define all of the options specific to major releases
488 case "$host" in
489 *-*-hpux10*)
490 if test -z "$GCC"; then
491 CFLAGS="$CFLAGS -Ae"
492 fi
493 ;;
494 *-*-hpux11*)
495 AC_DEFINE(PAM_SUN_CODEBASE, 1,
496 [Define if you are using Solaris-derived PAM which
497 passes pam_messages to the conversation function
498 with an extra level of indirection])
499 AC_DEFINE(DISABLE_UTMP, 1,
500 [Define if you don't want to use utmp])
501 AC_DEFINE(USE_BTMP, 1, [Use btmp to log bad logins])
502 check_for_hpux_broken_getaddrinfo=1
503 check_for_conflicting_getspnam=1
504 ;;
505 esac
506
507 # lastly, we define options specific to minor releases
508 case "$host" in
509 *-*-hpux10.26)
510 AC_DEFINE(HAVE_SECUREWARE, 1,
511 [Define if you have SecureWare-based
512 protected password database])
513 disable_ptmx_check=yes
514 LIBS="$LIBS -lsecpw"
515 ;;
516 esac
517 ;;
518*-*-irix5*)
519 PATH="$PATH:/usr/etc"
520 AC_DEFINE(BROKEN_INET_NTOA, 1,
521 [Define if you system's inet_ntoa is busted
522 (e.g. Irix gcc issue)])
523 AC_DEFINE(SETEUID_BREAKS_SETUID)
524 AC_DEFINE(BROKEN_SETREUID)
525 AC_DEFINE(BROKEN_SETREGID)
526 AC_DEFINE(WITH_ABBREV_NO_TTY, 1,
527 [Define if you shouldn't strip 'tty' from your
528 ttyname in [uw]tmp])
529 AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
530 ;;
531*-*-irix6*)
532 PATH="$PATH:/usr/etc"
533 AC_DEFINE(WITH_IRIX_ARRAY, 1,
534 [Define if you have/want arrays
535 (cluster-wide session managment, not C arrays)])
536 AC_DEFINE(WITH_IRIX_PROJECT, 1,
537 [Define if you want IRIX project management])
538 AC_DEFINE(WITH_IRIX_AUDIT, 1,
539 [Define if you want IRIX audit trails])
540 AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS, 1,
541 [Define if you want IRIX kernel jobs])])
542 AC_DEFINE(BROKEN_INET_NTOA)
543 AC_DEFINE(SETEUID_BREAKS_SETUID)
544 AC_DEFINE(BROKEN_SETREUID)
545 AC_DEFINE(BROKEN_SETREGID)
546 AC_DEFINE(BROKEN_UPDWTMPX, 1, [updwtmpx is broken (if present)])
547 AC_DEFINE(WITH_ABBREV_NO_TTY)
548 AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
549 ;;
550*-*-linux*)
551 no_dev_ptmx=1
552 check_for_libcrypt_later=1
553 check_for_openpty_ctty_bug=1
554 AC_DEFINE(DONT_TRY_OTHER_AF, 1, [Workaround more Linux IPv6 quirks])
555 AC_DEFINE(PAM_TTY_KLUDGE, 1,
556 [Work around problematic Linux PAM modules handling of PAM_TTY])
557 AC_DEFINE(LOCKED_PASSWD_PREFIX, "!",
558 [String used in /etc/passwd to denote locked account])
559 AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)
560 AC_DEFINE(LINK_OPNOTSUPP_ERRNO, EPERM,
561 [Define to whatever link() returns for "not supported"
562 if it doesn't return EOPNOTSUPP.])
563 AC_DEFINE(_PATH_BTMP, "/var/log/btmp", [log for bad login attempts])
564 AC_DEFINE(USE_BTMP)
565 inet6_default_4in6=yes
566 case `uname -r` in
567 1.*|2.0.*)
568 AC_DEFINE(BROKEN_CMSG_TYPE, 1,
569 [Define if cmsg_type is not passed correctly])
570 ;;
571 esac
572 # tun(4) forwarding compat code
573 AC_CHECK_HEADERS(linux/if_tun.h)
574 if test "x$ac_cv_header_linux_if_tun_h" = "xyes" ; then
575 AC_DEFINE(SSH_TUN_LINUX, 1,
576 [Open tunnel devices the Linux tun/tap way])
577 AC_DEFINE(SSH_TUN_COMPAT_AF, 1,
578 [Use tunnel device compatibility to OpenBSD])
579 AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
580 [Prepend the address family to IP tunnel traffic])
581 fi
582 ;;
583mips-sony-bsd|mips-sony-newsos4)
584 AC_DEFINE(NEED_SETPGRP, 1, [Need setpgrp to acquire controlling tty])
585 SONY=1
586 ;;
587*-*-netbsd*)
588 check_for_libcrypt_before=1
589 if test "x$withval" != "xno" ; then
590 need_dash_r=1
591 fi
592 AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
593 AC_CHECK_HEADER([net/if_tap.h], ,
594 AC_DEFINE(SSH_TUN_NO_L2, 1, [No layer 2 tunnel support]))
595 AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
596 [Prepend the address family to IP tunnel traffic])
597 ;;
598*-*-freebsd*)
599 check_for_libcrypt_later=1
600 AC_DEFINE(LOCKED_PASSWD_PREFIX, "*LOCKED*", [Account locked with pw(1)])
601 AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
602 AC_CHECK_HEADER([net/if_tap.h], ,
603 AC_DEFINE(SSH_TUN_NO_L2, 1, [No layer 2 tunnel support]))
604 AC_DEFINE(BROKEN_GLOB, 1, [FreeBSD glob does not do what we need])
605 ;;
606*-*-bsdi*)
607 AC_DEFINE(SETEUID_BREAKS_SETUID)
608 AC_DEFINE(BROKEN_SETREUID)
609 AC_DEFINE(BROKEN_SETREGID)
610 ;;
611*-next-*)
612 conf_lastlog_location="/usr/adm/lastlog"
613 conf_utmp_location=/etc/utmp
614 conf_wtmp_location=/usr/adm/wtmp
615 MAIL=/usr/spool/mail
616 AC_DEFINE(HAVE_NEXT, 1, [Define if you are on NeXT])
617 AC_DEFINE(BROKEN_REALPATH)
618 AC_DEFINE(USE_PIPES)
619 AC_DEFINE(BROKEN_SAVED_UIDS, 1, [Needed for NeXT])
620 ;;
621*-*-openbsd*)
622 AC_DEFINE(HAVE_ATTRIBUTE__SENTINEL__, 1, [OpenBSD's gcc has sentinel])
623 AC_DEFINE(HAVE_ATTRIBUTE__BOUNDED__, 1, [OpenBSD's gcc has bounded])
624 AC_DEFINE(SSH_TUN_OPENBSD, 1, [Open tunnel devices the OpenBSD way])
625 AC_DEFINE(SYSLOG_R_SAFE_IN_SIGHAND, 1,
626 [syslog_r function is safe to use in in a signal handler])
627 ;;
628*-*-solaris*)
629 if test "x$withval" != "xno" ; then
630 need_dash_r=1
631 fi
632 AC_DEFINE(PAM_SUN_CODEBASE)
633 AC_DEFINE(LOGIN_NEEDS_UTMPX)
634 AC_DEFINE(LOGIN_NEEDS_TERM, 1,
635 [Some versions of /bin/login need the TERM supplied
636 on the commandline])
637 AC_DEFINE(PAM_TTY_KLUDGE)
638 AC_DEFINE(SSHPAM_CHAUTHTOK_NEEDS_RUID, 1,
639 [Define if pam_chauthtok wants real uid set
640 to the unpriv'ed user])
641 AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
642 # Pushing STREAMS modules will cause sshd to acquire a controlling tty.
643 AC_DEFINE(SSHD_ACQUIRES_CTTY, 1,
644 [Define if sshd somehow reacquires a controlling TTY
645 after setsid()])
646 AC_DEFINE(PASSWD_NEEDS_USERNAME, 1, [must supply username to passwd
647 in case the name is longer than 8 chars])
648 external_path_file=/etc/default/login
649 # hardwire lastlog location (can't detect it on some versions)
650 conf_lastlog_location="/var/adm/lastlog"
651 AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
652 sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
653 if test "$sol2ver" -ge 8; then
654 AC_MSG_RESULT(yes)
655 AC_DEFINE(DISABLE_UTMP)
656 AC_DEFINE(DISABLE_WTMP, 1,
657 [Define if you don't want to use wtmp])
658 else
659 AC_MSG_RESULT(no)
660 fi
661 AC_ARG_WITH(solaris-contracts,
662 [ --with-solaris-contracts Enable Solaris process contracts (experimental)],
663 [
664 AC_CHECK_LIB(contract, ct_tmpl_activate,
665 [ AC_DEFINE(USE_SOLARIS_PROCESS_CONTRACTS, 1,
666 [Define if you have Solaris process contracts])
667 SSHDLIBS="$SSHDLIBS -lcontract"
668 AC_SUBST(SSHDLIBS)
669 SPC_MSG="yes" ], )
670 ],
671 )
672 ;;
673*-*-sunos4*)
674 CPPFLAGS="$CPPFLAGS -DSUNOS4"
675 AC_CHECK_FUNCS(getpwanam)
676 AC_DEFINE(PAM_SUN_CODEBASE)
677 conf_utmp_location=/etc/utmp
678 conf_wtmp_location=/var/adm/wtmp
679 conf_lastlog_location=/var/adm/lastlog
680 AC_DEFINE(USE_PIPES)
681 ;;
682*-ncr-sysv*)
683 LIBS="$LIBS -lc89"
684 AC_DEFINE(USE_PIPES)
685 AC_DEFINE(SSHD_ACQUIRES_CTTY)
686 AC_DEFINE(SETEUID_BREAKS_SETUID)
687 AC_DEFINE(BROKEN_SETREUID)
688 AC_DEFINE(BROKEN_SETREGID)
689 ;;
690*-sni-sysv*)
691 # /usr/ucblib MUST NOT be searched on ReliantUNIX
692 AC_CHECK_LIB(dl, dlsym, ,)
693 # -lresolv needs to be at the end of LIBS or DNS lookups break
694 AC_CHECK_LIB(resolv, res_query, [ LIBS="$LIBS -lresolv" ])
695 IPADDR_IN_DISPLAY=yes
696 AC_DEFINE(USE_PIPES)
697 AC_DEFINE(IP_TOS_IS_BROKEN)
698 AC_DEFINE(SETEUID_BREAKS_SETUID)
699 AC_DEFINE(BROKEN_SETREUID)
700 AC_DEFINE(BROKEN_SETREGID)
701 AC_DEFINE(SSHD_ACQUIRES_CTTY)
702 external_path_file=/etc/default/login
703 # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
704 # Attention: always take care to bind libsocket and libnsl before libc,
705 # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
706 ;;
707# UnixWare 1.x, UnixWare 2.x, and others based on code from Univel.
708*-*-sysv4.2*)
709 AC_DEFINE(USE_PIPES)
710 AC_DEFINE(SETEUID_BREAKS_SETUID)
711 AC_DEFINE(BROKEN_SETREUID)
712 AC_DEFINE(BROKEN_SETREGID)
713 AC_DEFINE(PASSWD_NEEDS_USERNAME, 1, [must supply username to passwd])
714 AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
715 ;;
716# UnixWare 7.x, OpenUNIX 8
717*-*-sysv5*)
718 check_for_libcrypt_later=1
719 AC_DEFINE(UNIXWARE_LONG_PASSWORDS, 1, [Support passwords > 8 chars])
720 AC_DEFINE(USE_PIPES)
721 AC_DEFINE(SETEUID_BREAKS_SETUID)
722 AC_DEFINE(BROKEN_SETREUID)
723 AC_DEFINE(BROKEN_SETREGID)
724 AC_DEFINE(PASSWD_NEEDS_USERNAME)
725 case "$host" in
726 *-*-sysv5SCO_SV*) # SCO OpenServer 6.x
727 TEST_SHELL=/u95/bin/sh
728 AC_DEFINE(BROKEN_LIBIAF, 1,
729 [ia_uinfo routines not supported by OS yet])
730 AC_DEFINE(BROKEN_UPDWTMPX)
731 ;;
732 *) AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
733 ;;
734 esac
735 ;;
736*-*-sysv*)
737 ;;
738# SCO UNIX and OEM versions of SCO UNIX
739*-*-sco3.2v4*)
740 AC_MSG_ERROR("This Platform is no longer supported.")
741 ;;
742# SCO OpenServer 5.x
743*-*-sco3.2v5*)
744 if test -z "$GCC"; then
745 CFLAGS="$CFLAGS -belf"
746 fi
747 LIBS="$LIBS -lprot -lx -ltinfo -lm"
748 no_dev_ptmx=1
749 AC_DEFINE(USE_PIPES)
750 AC_DEFINE(HAVE_SECUREWARE)
751 AC_DEFINE(DISABLE_SHADOW)
752 AC_DEFINE(DISABLE_FD_PASSING)
753 AC_DEFINE(SETEUID_BREAKS_SETUID)
754 AC_DEFINE(BROKEN_SETREUID)
755 AC_DEFINE(BROKEN_SETREGID)
756 AC_DEFINE(WITH_ABBREV_NO_TTY)
757 AC_DEFINE(BROKEN_UPDWTMPX)
758 AC_DEFINE(PASSWD_NEEDS_USERNAME)
759 AC_CHECK_FUNCS(getluid setluid)
760 MANTYPE=man
761 TEST_SHELL=ksh
762 ;;
763*-*-unicosmk*)
764 AC_DEFINE(NO_SSH_LASTLOG, 1,
765 [Define if you don't want to use lastlog in session.c])
766 AC_DEFINE(SETEUID_BREAKS_SETUID)
767 AC_DEFINE(BROKEN_SETREUID)
768 AC_DEFINE(BROKEN_SETREGID)
769 AC_DEFINE(USE_PIPES)
770 AC_DEFINE(DISABLE_FD_PASSING)
771 LDFLAGS="$LDFLAGS"
772 LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
773 MANTYPE=cat
774 ;;
775*-*-unicosmp*)
776 AC_DEFINE(SETEUID_BREAKS_SETUID)
777 AC_DEFINE(BROKEN_SETREUID)
778 AC_DEFINE(BROKEN_SETREGID)
779 AC_DEFINE(WITH_ABBREV_NO_TTY)
780 AC_DEFINE(USE_PIPES)
781 AC_DEFINE(DISABLE_FD_PASSING)
782 LDFLAGS="$LDFLAGS"
783 LIBS="$LIBS -lgen -lacid -ldb"
784 MANTYPE=cat
785 ;;
786*-*-unicos*)
787 AC_DEFINE(SETEUID_BREAKS_SETUID)
788 AC_DEFINE(BROKEN_SETREUID)
789 AC_DEFINE(BROKEN_SETREGID)
790 AC_DEFINE(USE_PIPES)
791 AC_DEFINE(DISABLE_FD_PASSING)
792 AC_DEFINE(NO_SSH_LASTLOG)
793 LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal"
794 LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
795 MANTYPE=cat
796 ;;
797*-dec-osf*)
798 AC_MSG_CHECKING(for Digital Unix SIA)
799 no_osfsia=""
800 AC_ARG_WITH(osfsia,
801 [ --with-osfsia Enable Digital Unix SIA],
802 [
803 if test "x$withval" = "xno" ; then
804 AC_MSG_RESULT(disabled)
805 no_osfsia=1
806 fi
807 ],
808 )
809 if test -z "$no_osfsia" ; then
810 if test -f /etc/sia/matrix.conf; then
811 AC_MSG_RESULT(yes)
812 AC_DEFINE(HAVE_OSF_SIA, 1,
813 [Define if you have Digital Unix Security
814 Integration Architecture])
815 AC_DEFINE(DISABLE_LOGIN, 1,
816 [Define if you don't want to use your
817 system's login() call])
818 AC_DEFINE(DISABLE_FD_PASSING)
819 LIBS="$LIBS -lsecurity -ldb -lm -laud"
820 SIA_MSG="yes"
821 else
822 AC_MSG_RESULT(no)
823 AC_DEFINE(LOCKED_PASSWD_SUBSTR, "Nologin",
824 [String used in /etc/passwd to denote locked account])
825 fi
826 fi
827 AC_DEFINE(BROKEN_GETADDRINFO)
828 AC_DEFINE(SETEUID_BREAKS_SETUID)
829 AC_DEFINE(BROKEN_SETREUID)
830 AC_DEFINE(BROKEN_SETREGID)
831 ;;
832
833*-*-nto-qnx*)
834 AC_DEFINE(USE_PIPES)
835 AC_DEFINE(NO_X11_UNIX_SOCKETS)
836 AC_DEFINE(MISSING_NFDBITS, 1, [Define on *nto-qnx systems])
837 AC_DEFINE(MISSING_HOWMANY, 1, [Define on *nto-qnx systems])
838 AC_DEFINE(MISSING_FD_MASK, 1, [Define on *nto-qnx systems])
839 AC_DEFINE(DISABLE_LASTLOG)
840 AC_DEFINE(SSHD_ACQUIRES_CTTY)
841 AC_DEFINE(BROKEN_SHADOW_EXPIRE, 1, [QNX shadow support is broken])
842 enable_etc_default_login=no # has incompatible /etc/default/login
843 case "$host" in
844 *-*-nto-qnx6*)
845 AC_DEFINE(DISABLE_FD_PASSING)
846 ;;
847 esac
848 ;;
849
850*-*-ultrix*)
851 AC_DEFINE(BROKEN_GETGROUPS, 1, [getgroups(0,NULL) will return -1])
852 AC_DEFINE(BROKEN_MMAP, 1, [Ultrix mmap can't map files])
853 AC_DEFINE(NEED_SETPGRP)
854 AC_DEFINE(HAVE_SYS_SYSLOG_H, 1, [Force use of sys/syslog.h on Ultrix])
855 ;;
856
857*-*-lynxos)
858 CFLAGS="$CFLAGS -D__NO_INCLUDE_WARN__"
859 AC_DEFINE(MISSING_HOWMANY)
860 AC_DEFINE(BROKEN_SETVBUF, 1, [LynxOS has broken setvbuf() implementation])
861 ;;
862esac
863
864AC_MSG_CHECKING(compiler and flags for sanity)
865AC_RUN_IFELSE(
866 [AC_LANG_SOURCE([
867#include <stdio.h>
868int main(){exit(0);}
869 ])],
870 [ AC_MSG_RESULT(yes) ],
871 [
872 AC_MSG_RESULT(no)
873 AC_MSG_ERROR([*** compiler cannot create working executables, check config.log ***])
874 ],
875 [ AC_MSG_WARN([cross compiling: not checking compiler sanity]) ]
876)
877
878dnl Checks for header files.
879# Checks for libraries.
880AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
881AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
882
883dnl IRIX and Solaris 2.5.1 have dirname() in libgen
884AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
885 AC_CHECK_LIB(gen, dirname,[
886 AC_CACHE_CHECK([for broken dirname],
887 ac_cv_have_broken_dirname, [
888 save_LIBS="$LIBS"
889 LIBS="$LIBS -lgen"
890 AC_RUN_IFELSE(
891 [AC_LANG_SOURCE([[
892#include <libgen.h>
893#include <string.h>
894
895int main(int argc, char **argv) {
896 char *s, buf[32];
897
898 strncpy(buf,"/etc", 32);
899 s = dirname(buf);
900 if (!s || strncmp(s, "/", 32) != 0) {
901 exit(1);
902 } else {
903 exit(0);
904 }
905}
906 ]])],
907 [ ac_cv_have_broken_dirname="no" ],
908 [ ac_cv_have_broken_dirname="yes" ],
909 [ ac_cv_have_broken_dirname="no" ],
910 )
911 LIBS="$save_LIBS"
912 ])
913 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
914 LIBS="$LIBS -lgen"
915 AC_DEFINE(HAVE_DIRNAME)
916 AC_CHECK_HEADERS(libgen.h)
917 fi
918 ])
919])
920
921AC_CHECK_FUNC(getspnam, ,
922 AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
923AC_SEARCH_LIBS(basename, gen, AC_DEFINE(HAVE_BASENAME, 1,
924 [Define if you have the basename function.]))
925
926dnl zlib is required
927AC_ARG_WITH(zlib,
928 [ --with-zlib=PATH Use zlib in PATH],
929 [ if test "x$withval" = "xno" ; then
930 AC_MSG_ERROR([*** zlib is required ***])
931 elif test "x$withval" != "xyes"; then
932 if test -d "$withval/lib"; then
933 if test -n "${need_dash_r}"; then
934 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
935 else
936 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
937 fi
938 else
939 if test -n "${need_dash_r}"; then
940 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
941 else
942 LDFLAGS="-L${withval} ${LDFLAGS}"
943 fi
944 fi
945 if test -d "$withval/include"; then
946 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
947 else
948 CPPFLAGS="-I${withval} ${CPPFLAGS}"
949 fi
950 fi ]
951)
952
953AC_CHECK_LIB(z, deflate, ,
954 [
955 saved_CPPFLAGS="$CPPFLAGS"
956 saved_LDFLAGS="$LDFLAGS"
957 save_LIBS="$LIBS"
958 dnl Check default zlib install dir
959 if test -n "${need_dash_r}"; then
960 LDFLAGS="-L/usr/local/lib -R/usr/local/lib ${saved_LDFLAGS}"
961 else
962 LDFLAGS="-L/usr/local/lib ${saved_LDFLAGS}"
963 fi
964 CPPFLAGS="-I/usr/local/include ${saved_CPPFLAGS}"
965 LIBS="$LIBS -lz"
966 AC_TRY_LINK_FUNC(deflate, AC_DEFINE(HAVE_LIBZ),
967 [
968 AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***])
969 ]
970 )
971 ]
972)
973AC_CHECK_HEADER([zlib.h], ,AC_MSG_ERROR([*** zlib.h missing - please install first or check config.log ***]))
974
975AC_ARG_WITH(zlib-version-check,
976 [ --without-zlib-version-check Disable zlib version check],
977 [ if test "x$withval" = "xno" ; then
978 zlib_check_nonfatal=1
979 fi
980 ]
981)
982
983AC_MSG_CHECKING(for possibly buggy zlib)
984AC_RUN_IFELSE([AC_LANG_SOURCE([[
985#include <stdio.h>
986#include <zlib.h>
987int main()
988{
989 int a=0, b=0, c=0, d=0, n, v;
990 n = sscanf(ZLIB_VERSION, "%d.%d.%d.%d", &a, &b, &c, &d);
991 if (n != 3 && n != 4)
992 exit(1);
993 v = a*1000000 + b*10000 + c*100 + d;
994 fprintf(stderr, "found zlib version %s (%d)\n", ZLIB_VERSION, v);
995
996 /* 1.1.4 is OK */
997 if (a == 1 && b == 1 && c >= 4)
998 exit(0);
999
1000 /* 1.2.3 and up are OK */
1001 if (v >= 1020300)
1002 exit(0);
1003
1004 exit(2);
1005}
1006 ]])],
1007 AC_MSG_RESULT(no),
1008 [ AC_MSG_RESULT(yes)
1009 if test -z "$zlib_check_nonfatal" ; then
1010 AC_MSG_ERROR([*** zlib too old - check config.log ***
1011Your reported zlib version has known security problems. It's possible your
1012vendor has fixed these problems without changing the version number. If you
1013are sure this is the case, you can disable the check by running
1014"./configure --without-zlib-version-check".
1015If you are in doubt, upgrade zlib to version 1.2.3 or greater.
1016See http://www.gzip.org/zlib/ for details.])
1017 else
1018 AC_MSG_WARN([zlib version may have security problems])
1019 fi
1020 ],
1021 [ AC_MSG_WARN([cross compiling: not checking zlib version]) ]
1022)
1023
1024dnl UnixWare 2.x
1025AC_CHECK_FUNC(strcasecmp,
1026 [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
1027)
1028AC_CHECK_FUNCS(utimes,
1029 [], [ AC_CHECK_LIB(c89, utimes, [AC_DEFINE(HAVE_UTIMES)
1030 LIBS="$LIBS -lc89"]) ]
1031)
1032
1033dnl Checks for libutil functions
1034AC_CHECK_HEADERS(libutil.h)
1035AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN, 1,
1036 [Define if your libraries define login()])])
1037AC_CHECK_FUNCS(logout updwtmp logwtmp)
1038
1039AC_FUNC_STRFTIME
1040
1041# Check for ALTDIRFUNC glob() extension
1042AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
1043AC_EGREP_CPP(FOUNDIT,
1044 [
1045 #include <glob.h>
1046 #ifdef GLOB_ALTDIRFUNC
1047 FOUNDIT
1048 #endif
1049 ],
1050 [
1051 AC_DEFINE(GLOB_HAS_ALTDIRFUNC, 1,
1052 [Define if your system glob() function has
1053 the GLOB_ALTDIRFUNC extension])
1054 AC_MSG_RESULT(yes)
1055 ],
1056 [
1057 AC_MSG_RESULT(no)
1058 ]
1059)
1060
1061# Check for g.gl_matchc glob() extension
1062AC_MSG_CHECKING(for gl_matchc field in glob_t)
1063AC_TRY_COMPILE(
1064 [ #include <glob.h> ],
1065 [glob_t g; g.gl_matchc = 1;],
1066 [
1067 AC_DEFINE(GLOB_HAS_GL_MATCHC, 1,
1068 [Define if your system glob() function has
1069 gl_matchc options in glob_t])
1070 AC_MSG_RESULT(yes)
1071 ],
1072 [
1073 AC_MSG_RESULT(no)
1074 ]
1075)
1076
1077AC_CHECK_DECLS(GLOB_NOMATCH, , , [#include <glob.h>])
1078
1079AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
1080AC_RUN_IFELSE(
1081 [AC_LANG_SOURCE([[
1082#include <sys/types.h>
1083#include <dirent.h>
1084int main(void){struct dirent d;exit(sizeof(d.d_name)<=sizeof(char));}
1085 ]])],
1086 [AC_MSG_RESULT(yes)],
1087 [
1088 AC_MSG_RESULT(no)
1089 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME, 1,
1090 [Define if your struct dirent expects you to
1091 allocate extra space for d_name])
1092 ],
1093 [
1094 AC_MSG_WARN([cross compiling: assuming BROKEN_ONE_BYTE_DIRENT_D_NAME])
1095 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
1096 ]
1097)
1098
1099AC_MSG_CHECKING([for /proc/pid/fd directory])
1100if test -d "/proc/$$/fd" ; then
1101 AC_DEFINE(HAVE_PROC_PID, 1, [Define if you have /proc/$pid/fd])
1102 AC_MSG_RESULT(yes)
1103else
1104 AC_MSG_RESULT(no)
1105fi
1106
1107# Check whether user wants S/Key support
1108SKEY_MSG="no"
1109AC_ARG_WITH(skey,
1110 [ --with-skey[[=PATH]] Enable S/Key support (optionally in PATH)],
1111 [
1112 if test "x$withval" != "xno" ; then
1113
1114 if test "x$withval" != "xyes" ; then
1115 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1116 LDFLAGS="$LDFLAGS -L${withval}/lib"
1117 fi
1118
1119 AC_DEFINE(SKEY, 1, [Define if you want S/Key support])
1120 LIBS="-lskey $LIBS"
1121 SKEY_MSG="yes"
1122
1123 AC_MSG_CHECKING([for s/key support])
1124 AC_LINK_IFELSE(
1125 [AC_LANG_SOURCE([[
1126#include <stdio.h>
1127#include <skey.h>
1128int main() { char *ff = skey_keyinfo(""); ff=""; exit(0); }
1129 ]])],
1130 [AC_MSG_RESULT(yes)],
1131 [
1132 AC_MSG_RESULT(no)
1133 AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
1134 ])
1135 AC_MSG_CHECKING(if skeychallenge takes 4 arguments)
1136 AC_TRY_COMPILE(
1137 [#include <stdio.h>
1138 #include <skey.h>],
1139 [(void)skeychallenge(NULL,"name","",0);],
1140 [AC_MSG_RESULT(yes)
1141 AC_DEFINE(SKEYCHALLENGE_4ARG, 1,
1142 [Define if your skeychallenge()
1143 function takes 4 arguments (NetBSD)])],
1144 [AC_MSG_RESULT(no)]
1145 )
1146 fi
1147 ]
1148)
1149
1150# Check whether user wants TCP wrappers support
1151TCPW_MSG="no"
1152AC_ARG_WITH(tcp-wrappers,
1153 [ --with-tcp-wrappers[[=PATH]] Enable tcpwrappers support (optionally in PATH)],
1154 [
1155 if test "x$withval" != "xno" ; then
1156 saved_LIBS="$LIBS"
1157 saved_LDFLAGS="$LDFLAGS"
1158 saved_CPPFLAGS="$CPPFLAGS"
1159 if test -n "${withval}" && \
1160 test "x${withval}" != "xyes"; then
1161 if test -d "${withval}/lib"; then
1162 if test -n "${need_dash_r}"; then
1163 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
1164 else
1165 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
1166 fi
1167 else
1168 if test -n "${need_dash_r}"; then
1169 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
1170 else
1171 LDFLAGS="-L${withval} ${LDFLAGS}"
1172 fi
1173 fi
1174 if test -d "${withval}/include"; then
1175 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
1176 else
1177 CPPFLAGS="-I${withval} ${CPPFLAGS}"
1178 fi
1179 fi
1180 LIBS="-lwrap $LIBS"
1181 AC_MSG_CHECKING(for libwrap)
1182 AC_TRY_LINK(
1183 [
1184#include <sys/types.h>
1185#include <sys/socket.h>
1186#include <netinet/in.h>
1187#include <tcpd.h>
1188 int deny_severity = 0, allow_severity = 0;
1189 ],
1190 [hosts_access(0);],
1191 [
1192 AC_MSG_RESULT(yes)
1193 AC_DEFINE(LIBWRAP, 1,
1194 [Define if you want
1195 TCP Wrappers support])
1196 SSHDLIBS="$SSHDLIBS -lwrap"
1197 TCPW_MSG="yes"
1198 ],
1199 [
1200 AC_MSG_ERROR([*** libwrap missing])
1201 ]
1202 )
1203 LIBS="$saved_LIBS"
1204 fi
1205 ]
1206)
1207
1208# Check whether user wants libedit support
1209LIBEDIT_MSG="no"
1210AC_ARG_WITH(libedit,
1211 [ --with-libedit[[=PATH]] Enable libedit support for sftp],
1212 [ if test "x$withval" != "xno" ; then
1213 if test "x$withval" != "xyes"; then
1214 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1215 if test -n "${need_dash_r}"; then
1216 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
1217 else
1218 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
1219 fi
1220 fi
1221 AC_CHECK_LIB(edit, el_init,
1222 [ AC_DEFINE(USE_LIBEDIT, 1, [Use libedit for sftp])
1223 LIBEDIT="-ledit -lcurses"
1224 LIBEDIT_MSG="yes"
1225 AC_SUBST(LIBEDIT)
1226 ],
1227 [ AC_MSG_ERROR(libedit not found) ],
1228 [ -lcurses ]
1229 )
1230 AC_MSG_CHECKING(if libedit version is compatible)
1231 AC_COMPILE_IFELSE(
1232 [AC_LANG_SOURCE([[
1233#include <histedit.h>
1234int main(void)
1235{
1236 int i = H_SETSIZE;
1237 el_init("", NULL, NULL, NULL);
1238 exit(0);
1239}
1240 ]])],
1241 [ AC_MSG_RESULT(yes) ],
1242 [ AC_MSG_RESULT(no)
1243 AC_MSG_ERROR(libedit version is not compatible) ]
1244 )
1245 fi ]
1246)
1247
1248AUDIT_MODULE=none
1249AC_ARG_WITH(audit,
1250 [ --with-audit=module Enable EXPERIMENTAL audit support (modules=debug,bsm)],
1251 [
1252 AC_MSG_CHECKING(for supported audit module)
1253 case "$withval" in
1254 bsm)
1255 AC_MSG_RESULT(bsm)
1256 AUDIT_MODULE=bsm
1257 dnl Checks for headers, libs and functions
1258 AC_CHECK_HEADERS(bsm/audit.h, [],
1259 [AC_MSG_ERROR(BSM enabled and bsm/audit.h not found)],
1260 [
1261#ifdef HAVE_TIME_H
1262# include <time.h>
1263#endif
1264 ]
1265)
1266 AC_CHECK_LIB(bsm, getaudit, [],
1267 [AC_MSG_ERROR(BSM enabled and required library not found)])
1268 AC_CHECK_FUNCS(getaudit, [],
1269 [AC_MSG_ERROR(BSM enabled and required function not found)])
1270 # These are optional
1271 AC_CHECK_FUNCS(getaudit_addr aug_get_machine)
1272 AC_DEFINE(USE_BSM_AUDIT, 1, [Use BSM audit module])
1273 ;;
1274 debug)
1275 AUDIT_MODULE=debug
1276 AC_MSG_RESULT(debug)
1277 AC_DEFINE(SSH_AUDIT_EVENTS, 1, Use audit debugging module)
1278 ;;
1279 no)
1280 AC_MSG_RESULT(no)
1281 ;;
1282 *)
1283 AC_MSG_ERROR([Unknown audit module $withval])
1284 ;;
1285 esac ]
1286)
1287
1288dnl Checks for library functions. Please keep in alphabetical order
1289AC_CHECK_FUNCS( \
1290 arc4random \
1291 asprintf \
1292 b64_ntop \
1293 __b64_ntop \
1294 b64_pton \
1295 __b64_pton \
1296 bcopy \
1297 bindresvport_sa \
1298 clock \
1299 closefrom \
1300 dirfd \
1301 fchmod \
1302 fchown \
1303 freeaddrinfo \
1304 futimes \
1305 getaddrinfo \
1306 getcwd \
1307 getgrouplist \
1308 getnameinfo \
1309 getopt \
1310 getpeereid \
1311 getpeerucred \
1312 _getpty \
1313 getrlimit \
1314 getttyent \
1315 glob \
1316 inet_aton \
1317 inet_ntoa \
1318 inet_ntop \
1319 innetgr \
1320 login_getcapbool \
1321 md5_crypt \
1322 memmove \
1323 mkdtemp \
1324 mmap \
1325 ngetaddrinfo \
1326 nsleep \
1327 ogetaddrinfo \
1328 openlog_r \
1329 openpty \
1330 poll \
1331 prctl \
1332 pstat \
1333 readpassphrase \
1334 realpath \
1335 recvmsg \
1336 rresvport_af \
1337 sendmsg \
1338 setdtablesize \
1339 setegid \
1340 setenv \
1341 seteuid \
1342 setgroups \
1343 setlogin \
1344 setpcred \
1345 setproctitle \
1346 setregid \
1347 setreuid \
1348 setrlimit \
1349 setsid \
1350 setvbuf \
1351 sigaction \
1352 sigvec \
1353 snprintf \
1354 socketpair \
1355 strdup \
1356 strerror \
1357 strlcat \
1358 strlcpy \
1359 strmode \
1360 strnvis \
1361 strtonum \
1362 strtoll \
1363 strtoul \
1364 swap32 \
1365 sysconf \
1366 tcgetpgrp \
1367 truncate \
1368 unsetenv \
1369 updwtmpx \
1370 vasprintf \
1371 vhangup \
1372 vsnprintf \
1373 waitpid \
1374)
1375
1376# IRIX has a const char return value for gai_strerror()
1377AC_CHECK_FUNCS(gai_strerror,[
1378 AC_DEFINE(HAVE_GAI_STRERROR)
1379 AC_TRY_COMPILE([
1380#include <sys/types.h>
1381#include <sys/socket.h>
1382#include <netdb.h>
1383
1384const char *gai_strerror(int);],[
1385char *str;
1386
1387str = gai_strerror(0);],[
1388 AC_DEFINE(HAVE_CONST_GAI_STRERROR_PROTO, 1,
1389 [Define if gai_strerror() returns const char *])])])
1390
1391AC_SEARCH_LIBS(nanosleep, rt posix4, AC_DEFINE(HAVE_NANOSLEEP, 1,
1392 [Some systems put nanosleep outside of libc]))
1393
1394dnl Make sure prototypes are defined for these before using them.
1395AC_CHECK_DECL(getrusage, [AC_CHECK_FUNCS(getrusage)])
1396AC_CHECK_DECL(strsep,
1397 [AC_CHECK_FUNCS(strsep)],
1398 [],
1399 [
1400#ifdef HAVE_STRING_H
1401# include <string.h>
1402#endif
1403 ])
1404
1405dnl tcsendbreak might be a macro
1406AC_CHECK_DECL(tcsendbreak,
1407 [AC_DEFINE(HAVE_TCSENDBREAK)],
1408 [AC_CHECK_FUNCS(tcsendbreak)],
1409 [#include <termios.h>]
1410)
1411
1412AC_CHECK_DECLS(h_errno, , ,[#include <netdb.h>])
1413
1414AC_CHECK_DECLS(SHUT_RD, , ,
1415 [
1416#include <sys/types.h>
1417#include <sys/socket.h>
1418 ])
1419
1420AC_CHECK_DECLS(O_NONBLOCK, , ,
1421 [
1422#include <sys/types.h>
1423#ifdef HAVE_SYS_STAT_H
1424# include <sys/stat.h>
1425#endif
1426#ifdef HAVE_FCNTL_H
1427# include <fcntl.h>
1428#endif
1429 ])
1430
1431AC_CHECK_DECLS(writev, , , [
1432#include <sys/types.h>
1433#include <sys/uio.h>
1434#include <unistd.h>
1435 ])
1436
1437AC_CHECK_DECLS(MAXSYMLINKS, , , [
1438#include <sys/param.h>
1439 ])
1440
1441AC_CHECK_DECLS(offsetof, , , [
1442#include <stddef.h>
1443 ])
1444
1445AC_CHECK_FUNCS(setresuid, [
1446 dnl Some platorms have setresuid that isn't implemented, test for this
1447 AC_MSG_CHECKING(if setresuid seems to work)
1448 AC_RUN_IFELSE(
1449 [AC_LANG_SOURCE([[
1450#include <stdlib.h>
1451#include <errno.h>
1452int main(){errno=0; setresuid(0,0,0); if (errno==ENOSYS) exit(1); else exit(0);}
1453 ]])],
1454 [AC_MSG_RESULT(yes)],
1455 [AC_DEFINE(BROKEN_SETRESUID, 1,
1456 [Define if your setresuid() is broken])
1457 AC_MSG_RESULT(not implemented)],
1458 [AC_MSG_WARN([cross compiling: not checking setresuid])]
1459 )
1460])
1461
1462AC_CHECK_FUNCS(setresgid, [
1463 dnl Some platorms have setresgid that isn't implemented, test for this
1464 AC_MSG_CHECKING(if setresgid seems to work)
1465 AC_RUN_IFELSE(
1466 [AC_LANG_SOURCE([[
1467#include <stdlib.h>
1468#include <errno.h>
1469int main(){errno=0; setresgid(0,0,0); if (errno==ENOSYS) exit(1); else exit(0);}
1470 ]])],
1471 [AC_MSG_RESULT(yes)],
1472 [AC_DEFINE(BROKEN_SETRESGID, 1,
1473 [Define if your setresgid() is broken])
1474 AC_MSG_RESULT(not implemented)],
1475 [AC_MSG_WARN([cross compiling: not checking setresuid])]
1476 )
1477])
1478
1479dnl Checks for time functions
1480AC_CHECK_FUNCS(gettimeofday time)
1481dnl Checks for utmp functions
1482AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
1483AC_CHECK_FUNCS(utmpname)
1484dnl Checks for utmpx functions
1485AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
1486AC_CHECK_FUNCS(setutxent utmpxname)
1487
1488AC_CHECK_FUNC(daemon,
1489 [AC_DEFINE(HAVE_DAEMON, 1, [Define if your libraries define daemon()])],
1490 [AC_CHECK_LIB(bsd, daemon,
1491 [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
1492)
1493
1494AC_CHECK_FUNC(getpagesize,
1495 [AC_DEFINE(HAVE_GETPAGESIZE, 1,
1496 [Define if your libraries define getpagesize()])],
1497 [AC_CHECK_LIB(ucb, getpagesize,
1498 [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
1499)
1500
1501# Check for broken snprintf
1502if test "x$ac_cv_func_snprintf" = "xyes" ; then
1503 AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
1504 AC_RUN_IFELSE(
1505 [AC_LANG_SOURCE([[
1506#include <stdio.h>
1507int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');}
1508 ]])],
1509 [AC_MSG_RESULT(yes)],
1510 [
1511 AC_MSG_RESULT(no)
1512 AC_DEFINE(BROKEN_SNPRINTF, 1,
1513 [Define if your snprintf is busted])
1514 AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
1515 ],
1516 [ AC_MSG_WARN([cross compiling: Assuming working snprintf()]) ]
1517 )
1518fi
1519
1520# If we don't have a working asprintf, then we strongly depend on vsnprintf
1521# returning the right thing on overflow: the number of characters it tried to
1522# create (as per SUSv3)
1523if test "x$ac_cv_func_asprintf" != "xyes" && \
1524 test "x$ac_cv_func_vsnprintf" = "xyes" ; then
1525 AC_MSG_CHECKING([whether vsnprintf returns correct values on overflow])
1526 AC_RUN_IFELSE(
1527 [AC_LANG_SOURCE([[
1528#include <sys/types.h>
1529#include <stdio.h>
1530#include <stdarg.h>
1531
1532int x_snprintf(char *str,size_t count,const char *fmt,...)
1533{
1534 size_t ret; va_list ap;
1535 va_start(ap, fmt); ret = vsnprintf(str, count, fmt, ap); va_end(ap);
1536 return ret;
1537}
1538int main(void)
1539{
1540 char x[1];
1541 exit(x_snprintf(x, 1, "%s %d", "hello", 12345) == 11 ? 0 : 1);
1542} ]])],
1543 [AC_MSG_RESULT(yes)],
1544 [
1545 AC_MSG_RESULT(no)
1546 AC_DEFINE(BROKEN_SNPRINTF, 1,
1547 [Define if your snprintf is busted])
1548 AC_MSG_WARN([****** Your vsnprintf() function is broken, complain to your vendor])
1549 ],
1550 [ AC_MSG_WARN([cross compiling: Assuming working vsnprintf()]) ]
1551 )
1552fi
1553
1554# On systems where [v]snprintf is broken, but is declared in stdio,
1555# check that the fmt argument is const char * or just char *.
1556# This is only useful for when BROKEN_SNPRINTF
1557AC_MSG_CHECKING([whether snprintf can declare const char *fmt])
1558AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
1559 int snprintf(char *a, size_t b, const char *c, ...) { return 0; }
1560 int main(void) { snprintf(0, 0, 0); }
1561 ]])],
1562 [AC_MSG_RESULT(yes)
1563 AC_DEFINE(SNPRINTF_CONST, [const],
1564 [Define as const if snprintf() can declare const char *fmt])],
1565 [AC_MSG_RESULT(no)
1566 AC_DEFINE(SNPRINTF_CONST, [/* not const */])])
1567
1568# Check for missing getpeereid (or equiv) support
1569NO_PEERCHECK=""
1570if test "x$ac_cv_func_getpeereid" != "xyes" -a "x$ac_cv_func_getpeerucred" != "xyes"; then
1571 AC_MSG_CHECKING([whether system supports SO_PEERCRED getsockopt])
1572 AC_TRY_COMPILE(
1573 [#include <sys/types.h>
1574 #include <sys/socket.h>],
1575 [int i = SO_PEERCRED;],
1576 [ AC_MSG_RESULT(yes)
1577 AC_DEFINE(HAVE_SO_PEERCRED, 1, [Have PEERCRED socket option])
1578 ],
1579 [AC_MSG_RESULT(no)
1580 NO_PEERCHECK=1]
1581 )
1582fi
1583
1584dnl see whether mkstemp() requires XXXXXX
1585if test "x$ac_cv_func_mkdtemp" = "xyes" ; then
1586AC_MSG_CHECKING([for (overly) strict mkstemp])
1587AC_RUN_IFELSE(
1588 [AC_LANG_SOURCE([[
1589#include <stdlib.h>
1590main() { char template[]="conftest.mkstemp-test";
1591if (mkstemp(template) == -1)
1592 exit(1);
1593unlink(template); exit(0);
1594}
1595 ]])],
1596 [
1597 AC_MSG_RESULT(no)
1598 ],
1599 [
1600 AC_MSG_RESULT(yes)
1601 AC_DEFINE(HAVE_STRICT_MKSTEMP, 1, [Silly mkstemp()])
1602 ],
1603 [
1604 AC_MSG_RESULT(yes)
1605 AC_DEFINE(HAVE_STRICT_MKSTEMP)
1606 ]
1607)
1608fi
1609
1610dnl make sure that openpty does not reacquire controlling terminal
1611if test ! -z "$check_for_openpty_ctty_bug"; then
1612 AC_MSG_CHECKING(if openpty correctly handles controlling tty)
1613 AC_RUN_IFELSE(
1614 [AC_LANG_SOURCE([[
1615#include <stdio.h>
1616#include <sys/fcntl.h>
1617#include <sys/types.h>
1618#include <sys/wait.h>
1619
1620int
1621main()
1622{
1623 pid_t pid;
1624 int fd, ptyfd, ttyfd, status;
1625
1626 pid = fork();
1627 if (pid < 0) { /* failed */
1628 exit(1);
1629 } else if (pid > 0) { /* parent */
1630 waitpid(pid, &status, 0);
1631 if (WIFEXITED(status))
1632 exit(WEXITSTATUS(status));
1633 else
1634 exit(2);
1635 } else { /* child */
1636 close(0); close(1); close(2);
1637 setsid();
1638 openpty(&ptyfd, &ttyfd, NULL, NULL, NULL);
1639 fd = open("/dev/tty", O_RDWR | O_NOCTTY);
1640 if (fd >= 0)
1641 exit(3); /* Acquired ctty: broken */
1642 else
1643 exit(0); /* Did not acquire ctty: OK */
1644 }
1645}
1646 ]])],
1647 [
1648 AC_MSG_RESULT(yes)
1649 ],
1650 [
1651 AC_MSG_RESULT(no)
1652 AC_DEFINE(SSHD_ACQUIRES_CTTY)
1653 ],
1654 [
1655 AC_MSG_RESULT(cross-compiling, assuming yes)
1656 ]
1657 )
1658fi
1659
1660if test "x$ac_cv_func_getaddrinfo" = "xyes" && \
1661 test "x$check_for_hpux_broken_getaddrinfo" = "x1"; then
1662 AC_MSG_CHECKING(if getaddrinfo seems to work)
1663 AC_RUN_IFELSE(
1664 [AC_LANG_SOURCE([[
1665#include <stdio.h>
1666#include <sys/socket.h>
1667#include <netdb.h>
1668#include <errno.h>
1669#include <netinet/in.h>
1670
1671#define TEST_PORT "2222"
1672
1673int
1674main(void)
1675{
1676 int err, sock;
1677 struct addrinfo *gai_ai, *ai, hints;
1678 char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL;
1679
1680 memset(&hints, 0, sizeof(hints));
1681 hints.ai_family = PF_UNSPEC;
1682 hints.ai_socktype = SOCK_STREAM;
1683 hints.ai_flags = AI_PASSIVE;
1684
1685 err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai);
1686 if (err != 0) {
1687 fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err));
1688 exit(1);
1689 }
1690
1691 for (ai = gai_ai; ai != NULL; ai = ai->ai_next) {
1692 if (ai->ai_family != AF_INET6)
1693 continue;
1694
1695 err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop,
1696 sizeof(ntop), strport, sizeof(strport),
1697 NI_NUMERICHOST|NI_NUMERICSERV);
1698
1699 if (err != 0) {
1700 if (err == EAI_SYSTEM)
1701 perror("getnameinfo EAI_SYSTEM");
1702 else
1703 fprintf(stderr, "getnameinfo failed: %s\n",
1704 gai_strerror(err));
1705 exit(2);
1706 }
1707
1708 sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
1709 if (sock < 0)
1710 perror("socket");
1711 if (bind(sock, ai->ai_addr, ai->ai_addrlen) < 0) {
1712 if (errno == EBADF)
1713 exit(3);
1714 }
1715 }
1716 exit(0);
1717}
1718 ]])],
1719 [
1720 AC_MSG_RESULT(yes)
1721 ],
1722 [
1723 AC_MSG_RESULT(no)
1724 AC_DEFINE(BROKEN_GETADDRINFO)
1725 ],
1726 [
1727 AC_MSG_RESULT(cross-compiling, assuming yes)
1728 ]
1729 )
1730fi
1731
1732if test "x$ac_cv_func_getaddrinfo" = "xyes" && \
1733 test "x$check_for_aix_broken_getaddrinfo" = "x1"; then
1734 AC_MSG_CHECKING(if getaddrinfo seems to work)
1735 AC_RUN_IFELSE(
1736 [AC_LANG_SOURCE([[
1737#include <stdio.h>
1738#include <sys/socket.h>
1739#include <netdb.h>
1740#include <errno.h>
1741#include <netinet/in.h>
1742
1743#define TEST_PORT "2222"
1744
1745int
1746main(void)
1747{
1748 int err, sock;
1749 struct addrinfo *gai_ai, *ai, hints;
1750 char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL;
1751
1752 memset(&hints, 0, sizeof(hints));
1753 hints.ai_family = PF_UNSPEC;
1754 hints.ai_socktype = SOCK_STREAM;
1755 hints.ai_flags = AI_PASSIVE;
1756
1757 err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai);
1758 if (err != 0) {
1759 fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err));
1760 exit(1);
1761 }
1762
1763 for (ai = gai_ai; ai != NULL; ai = ai->ai_next) {
1764 if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6)
1765 continue;
1766
1767 err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop,
1768 sizeof(ntop), strport, sizeof(strport),
1769 NI_NUMERICHOST|NI_NUMERICSERV);
1770
1771 if (ai->ai_family == AF_INET && err != 0) {
1772 perror("getnameinfo");
1773 exit(2);
1774 }
1775 }
1776 exit(0);
1777}
1778 ]])],
1779 [
1780 AC_MSG_RESULT(yes)
1781 AC_DEFINE(AIX_GETNAMEINFO_HACK, 1,
1782 [Define if you have a getaddrinfo that fails
1783 for the all-zeros IPv6 address])
1784 ],
1785 [
1786 AC_MSG_RESULT(no)
1787 AC_DEFINE(BROKEN_GETADDRINFO)
1788 ],
1789 [
1790 AC_MSG_RESULT(cross-compiling, assuming no)
1791 ]
1792 )
1793fi
1794
1795if test "x$check_for_conflicting_getspnam" = "x1"; then
1796 AC_MSG_CHECKING(for conflicting getspnam in shadow.h)
1797 AC_COMPILE_IFELSE(
1798 [
1799#include <shadow.h>
1800int main(void) {exit(0);}
1801 ],
1802 [
1803 AC_MSG_RESULT(no)
1804 ],
1805 [
1806 AC_MSG_RESULT(yes)
1807 AC_DEFINE(GETSPNAM_CONFLICTING_DEFS, 1,
1808 [Conflicting defs for getspnam])
1809 ]
1810 )
1811fi
1812
1813AC_FUNC_GETPGRP
1814
1815# Search for OpenSSL
1816saved_CPPFLAGS="$CPPFLAGS"
1817saved_LDFLAGS="$LDFLAGS"
1818AC_ARG_WITH(ssl-dir,
1819 [ --with-ssl-dir=PATH Specify path to OpenSSL installation ],
1820 [
1821 if test "x$withval" != "xno" ; then
1822 case "$withval" in
1823 # Relative paths
1824 ./*|../*) withval="`pwd`/$withval"
1825 esac
1826 if test -d "$withval/lib"; then
1827 if test -n "${need_dash_r}"; then
1828 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
1829 else
1830 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
1831 fi
1832 else
1833 if test -n "${need_dash_r}"; then
1834 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
1835 else
1836 LDFLAGS="-L${withval} ${LDFLAGS}"
1837 fi
1838 fi
1839 if test -d "$withval/include"; then
1840 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
1841 else
1842 CPPFLAGS="-I${withval} ${CPPFLAGS}"
1843 fi
1844 fi
1845 ]
1846)
1847LIBS="-lcrypto $LIBS"
1848AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL, 1,
1849 [Define if your ssl headers are included
1850 with #include <openssl/header.h>]),
1851 [
1852 dnl Check default openssl install dir
1853 if test -n "${need_dash_r}"; then
1854 LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
1855 else
1856 LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
1857 fi
1858 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
1859 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
1860 [
1861 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
1862 ]
1863 )
1864 ]
1865)
1866
1867# Determine OpenSSL header version
1868AC_MSG_CHECKING([OpenSSL header version])
1869AC_RUN_IFELSE(
1870 [AC_LANG_SOURCE([[
1871#include <stdio.h>
1872#include <string.h>
1873#include <openssl/opensslv.h>
1874#define DATA "conftest.sslincver"
1875int main(void) {
1876 FILE *fd;
1877 int rc;
1878
1879 fd = fopen(DATA,"w");
1880 if(fd == NULL)
1881 exit(1);
1882
1883 if ((rc = fprintf(fd ,"%x (%s)\n", OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT)) <0)
1884 exit(1);
1885
1886 exit(0);
1887}
1888 ]])],
1889 [
1890 ssl_header_ver=`cat conftest.sslincver`
1891 AC_MSG_RESULT($ssl_header_ver)
1892 ],
1893 [
1894 AC_MSG_RESULT(not found)
1895 AC_MSG_ERROR(OpenSSL version header not found.)
1896 ],
1897 [
1898 AC_MSG_WARN([cross compiling: not checking])
1899 ]
1900)
1901
1902# Determine OpenSSL library version
1903AC_MSG_CHECKING([OpenSSL library version])
1904AC_RUN_IFELSE(
1905 [AC_LANG_SOURCE([[
1906#include <stdio.h>
1907#include <string.h>
1908#include <openssl/opensslv.h>
1909#include <openssl/crypto.h>
1910#define DATA "conftest.ssllibver"
1911int main(void) {
1912 FILE *fd;
1913 int rc;
1914
1915 fd = fopen(DATA,"w");
1916 if(fd == NULL)
1917 exit(1);
1918
1919 if ((rc = fprintf(fd ,"%x (%s)\n", SSLeay(), SSLeay_version(SSLEAY_VERSION))) <0)
1920 exit(1);
1921
1922 exit(0);
1923}
1924 ]])],
1925 [
1926 ssl_library_ver=`cat conftest.ssllibver`
1927 AC_MSG_RESULT($ssl_library_ver)
1928 ],
1929 [
1930 AC_MSG_RESULT(not found)
1931 AC_MSG_ERROR(OpenSSL library not found.)
1932 ],
1933 [
1934 AC_MSG_WARN([cross compiling: not checking])
1935 ]
1936)
1937
1938AC_ARG_WITH(openssl-header-check,
1939 [ --without-openssl-header-check Disable OpenSSL version consistency check],
1940 [ if test "x$withval" = "xno" ; then
1941 openssl_check_nonfatal=1
1942 fi
1943 ]
1944)
1945
1946# Sanity check OpenSSL headers
1947AC_MSG_CHECKING([whether OpenSSL's headers match the library])
1948AC_RUN_IFELSE(
1949 [AC_LANG_SOURCE([[
1950#include <string.h>
1951#include <openssl/opensslv.h>
1952int main(void) { exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
1953 ]])],
1954 [
1955 AC_MSG_RESULT(yes)
1956 ],
1957 [
1958 AC_MSG_RESULT(no)
1959 if test "x$openssl_check_nonfatal" = "x"; then
1960 AC_MSG_ERROR([Your OpenSSL headers do not match your
1961library. Check config.log for details.
1962If you are sure your installation is consistent, you can disable the check
1963by running "./configure --without-openssl-header-check".
1964Also see contrib/findssl.sh for help identifying header/library mismatches.
1965])
1966 else
1967 AC_MSG_WARN([Your OpenSSL headers do not match your
1968library. Check config.log for details.
1969Also see contrib/findssl.sh for help identifying header/library mismatches.])
1970 fi
1971 ],
1972 [
1973 AC_MSG_WARN([cross compiling: not checking])
1974 ]
1975)
1976
1977AC_MSG_CHECKING([if programs using OpenSSL functions will link])
1978AC_LINK_IFELSE(
1979 [AC_LANG_SOURCE([[
1980#include <openssl/evp.h>
1981int main(void) { SSLeay_add_all_algorithms(); }
1982 ]])],
1983 [
1984 AC_MSG_RESULT(yes)
1985 ],
1986 [
1987 AC_MSG_RESULT(no)
1988 saved_LIBS="$LIBS"
1989 LIBS="$LIBS -ldl"
1990 AC_MSG_CHECKING([if programs using OpenSSL need -ldl])
1991 AC_LINK_IFELSE(
1992 [AC_LANG_SOURCE([[
1993#include <openssl/evp.h>
1994int main(void) { SSLeay_add_all_algorithms(); }
1995 ]])],
1996 [
1997 AC_MSG_RESULT(yes)
1998 ],
1999 [
2000 AC_MSG_RESULT(no)
2001 LIBS="$saved_LIBS"
2002 ]
2003 )
2004 ]
2005)
2006
2007AC_ARG_WITH(ssl-engine,
2008 [ --with-ssl-engine Enable OpenSSL (hardware) ENGINE support ],
2009 [ if test "x$withval" != "xno" ; then
2010 AC_MSG_CHECKING(for OpenSSL ENGINE support)
2011 AC_TRY_COMPILE(
2012 [ #include <openssl/engine.h>],
2013 [
2014ENGINE_load_builtin_engines();ENGINE_register_all_complete();
2015 ],
2016 [ AC_MSG_RESULT(yes)
2017 AC_DEFINE(USE_OPENSSL_ENGINE, 1,
2018 [Enable OpenSSL engine support])
2019 ],
2020 [ AC_MSG_ERROR(OpenSSL ENGINE support not found)]
2021 )
2022 fi ]
2023)
2024
2025# Check for OpenSSL without EVP_aes_{192,256}_cbc
2026AC_MSG_CHECKING([whether OpenSSL has crippled AES support])
2027AC_LINK_IFELSE(
2028 [AC_LANG_SOURCE([[
2029#include <string.h>
2030#include <openssl/evp.h>
2031int main(void) { exit(EVP_aes_192_cbc() == NULL || EVP_aes_256_cbc() == NULL);}
2032 ]])],
2033 [
2034 AC_MSG_RESULT(no)
2035 ],
2036 [
2037 AC_MSG_RESULT(yes)
2038 AC_DEFINE(OPENSSL_LOBOTOMISED_AES, 1,
2039 [libcrypto is missing AES 192 and 256 bit functions])
2040 ]
2041)
2042
2043# Some systems want crypt() from libcrypt, *not* the version in OpenSSL,
2044# because the system crypt() is more featureful.
2045if test "x$check_for_libcrypt_before" = "x1"; then
2046 AC_CHECK_LIB(crypt, crypt)
2047fi
2048
2049# Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
2050# version in OpenSSL.
2051if test "x$check_for_libcrypt_later" = "x1"; then
2052 AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
2053fi
2054
2055# Search for SHA256 support in libc and/or OpenSSL
2056AC_CHECK_FUNCS(SHA256_Update EVP_sha256)
2057
2058saved_LIBS="$LIBS"
2059AC_CHECK_LIB(iaf, ia_openinfo, [
2060 LIBS="$LIBS -liaf"
2061 AC_CHECK_FUNCS(set_id, [SSHDLIBS="$SSHDLIBS -liaf"
2062 AC_DEFINE(HAVE_LIBIAF, 1,
2063 [Define if system has libiaf that supports set_id])
2064 ])
2065])
2066LIBS="$saved_LIBS"
2067
2068### Configure cryptographic random number support
2069
2070# Check wheter OpenSSL seeds itself
2071AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
2072AC_RUN_IFELSE(
2073 [AC_LANG_SOURCE([[
2074#include <string.h>
2075#include <openssl/rand.h>
2076int main(void) { exit(RAND_status() == 1 ? 0 : 1); }
2077 ]])],
2078 [
2079 OPENSSL_SEEDS_ITSELF=yes
2080 AC_MSG_RESULT(yes)
2081 ],
2082 [
2083 AC_MSG_RESULT(no)
2084 # Default to use of the rand helper if OpenSSL doesn't
2085 # seed itself
2086 USE_RAND_HELPER=yes
2087 ],
2088 [
2089 AC_MSG_WARN([cross compiling: assuming yes])
2090 # This is safe, since all recent OpenSSL versions will
2091 # complain at runtime if not seeded correctly.
2092 OPENSSL_SEEDS_ITSELF=yes
2093 ]
2094)
2095
2096# Check for PAM libs
2097PAM_MSG="no"
2098AC_ARG_WITH(pam,
2099 [ --with-pam Enable PAM support ],
2100 [
2101 if test "x$withval" != "xno" ; then
2102 if test "x$ac_cv_header_security_pam_appl_h" != "xyes" && \
2103 test "x$ac_cv_header_pam_pam_appl_h" != "xyes" ; then
2104 AC_MSG_ERROR([PAM headers not found])
2105 fi
2106
2107 saved_LIBS="$LIBS"
2108 AC_CHECK_LIB(dl, dlopen, , )
2109 AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
2110 AC_CHECK_FUNCS(pam_getenvlist)
2111 AC_CHECK_FUNCS(pam_putenv)
2112 LIBS="$saved_LIBS"
2113
2114 PAM_MSG="yes"
2115
2116 SSHDLIBS="$SSHDLIBS -lpam"
2117 AC_DEFINE(USE_PAM, 1,
2118 [Define if you want to enable PAM support])
2119
2120 if test $ac_cv_lib_dl_dlopen = yes; then
2121 case "$LIBS" in
2122 *-ldl*)
2123 # libdl already in LIBS
2124 ;;
2125 *)
2126 SSHDLIBS="$SSHDLIBS -ldl"
2127 ;;
2128 esac
2129 fi
2130 fi
2131 ]
2132)
2133
2134# Check for older PAM
2135if test "x$PAM_MSG" = "xyes" ; then
2136 # Check PAM strerror arguments (old PAM)
2137 AC_MSG_CHECKING([whether pam_strerror takes only one argument])
2138 AC_TRY_COMPILE(
2139 [
2140#include <stdlib.h>
2141#if defined(HAVE_SECURITY_PAM_APPL_H)
2142#include <security/pam_appl.h>
2143#elif defined (HAVE_PAM_PAM_APPL_H)
2144#include <pam/pam_appl.h>
2145#endif
2146 ],
2147 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
2148 [AC_MSG_RESULT(no)],
2149 [
2150 AC_DEFINE(HAVE_OLD_PAM, 1,
2151 [Define if you have an old version of PAM
2152 which takes only one argument to pam_strerror])
2153 AC_MSG_RESULT(yes)
2154 PAM_MSG="yes (old library)"
2155 ]
2156 )
2157fi
2158
2159# Do we want to force the use of the rand helper?
2160AC_ARG_WITH(rand-helper,
2161 [ --with-rand-helper Use subprocess to gather strong randomness ],
2162 [
2163 if test "x$withval" = "xno" ; then
2164 # Force use of OpenSSL's internal RNG, even if
2165 # the previous test showed it to be unseeded.
2166 if test -z "$OPENSSL_SEEDS_ITSELF" ; then
2167 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
2168 OPENSSL_SEEDS_ITSELF=yes
2169 USE_RAND_HELPER=""
2170 fi
2171 else
2172 USE_RAND_HELPER=yes
2173 fi
2174 ],
2175)
2176
2177# Which randomness source do we use?
2178if test ! -z "$OPENSSL_SEEDS_ITSELF" && test -z "$USE_RAND_HELPER" ; then
2179 # OpenSSL only
2180 AC_DEFINE(OPENSSL_PRNG_ONLY, 1,
2181 [Define if you want OpenSSL's internally seeded PRNG only])
2182 RAND_MSG="OpenSSL internal ONLY"
2183 INSTALL_SSH_RAND_HELPER=""
2184elif test ! -z "$USE_RAND_HELPER" ; then
2185 # install rand helper
2186 RAND_MSG="ssh-rand-helper"
2187 INSTALL_SSH_RAND_HELPER="yes"
2188fi
2189AC_SUBST(INSTALL_SSH_RAND_HELPER)
2190
2191### Configuration of ssh-rand-helper
2192
2193# PRNGD TCP socket
2194AC_ARG_WITH(prngd-port,
2195 [ --with-prngd-port=PORT read entropy from PRNGD/EGD TCP localhost:PORT],
2196 [
2197 case "$withval" in
2198 no)
2199 withval=""
2200 ;;
2201 [[0-9]]*)
2202 ;;
2203 *)
2204 AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
2205 ;;
2206 esac
2207 if test ! -z "$withval" ; then
2208 PRNGD_PORT="$withval"
2209 AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT,
2210 [Port number of PRNGD/EGD random number socket])
2211 fi
2212 ]
2213)
2214
2215# PRNGD Unix domain socket
2216AC_ARG_WITH(prngd-socket,
2217 [ --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
2218 [
2219 case "$withval" in
2220 yes)
2221 withval="/var/run/egd-pool"
2222 ;;
2223 no)
2224 withval=""
2225 ;;
2226 /*)
2227 ;;
2228 *)
2229 AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
2230 ;;
2231 esac
2232
2233 if test ! -z "$withval" ; then
2234 if test ! -z "$PRNGD_PORT" ; then
2235 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
2236 fi
2237 if test ! -r "$withval" ; then
2238 AC_MSG_WARN(Entropy socket is not readable)
2239 fi
2240 PRNGD_SOCKET="$withval"
2241 AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET",
2242 [Location of PRNGD/EGD random number socket])
2243 fi
2244 ],
2245 [
2246 # Check for existing socket only if we don't have a random device already
2247 if test "$USE_RAND_HELPER" = yes ; then
2248 AC_MSG_CHECKING(for PRNGD/EGD socket)
2249 # Insert other locations here
2250 for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
2251 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
2252 PRNGD_SOCKET="$sock"
2253 AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
2254 break;
2255 fi
2256 done
2257 if test ! -z "$PRNGD_SOCKET" ; then
2258 AC_MSG_RESULT($PRNGD_SOCKET)
2259 else
2260 AC_MSG_RESULT(not found)
2261 fi
2262 fi
2263 ]
2264)
2265
2266# Change default command timeout for hashing entropy source
2267entropy_timeout=200
2268AC_ARG_WITH(entropy-timeout,
2269 [ --with-entropy-timeout Specify entropy gathering command timeout (msec)],
2270 [
2271 if test -n "$withval" && test "x$withval" != "xno" && \
2272 test "x${withval}" != "xyes"; then
2273 entropy_timeout=$withval
2274 fi
2275 ]
2276)
2277AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout,
2278 [Builtin PRNG command timeout])
2279
2280SSH_PRIVSEP_USER=sshd
2281AC_ARG_WITH(privsep-user,
2282 [ --with-privsep-user=user Specify non-privileged user for privilege separation],
2283 [
2284 if test -n "$withval" && test "x$withval" != "xno" && \
2285 test "x${withval}" != "xyes"; then
2286 SSH_PRIVSEP_USER=$withval
2287 fi
2288 ]
2289)
2290AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$SSH_PRIVSEP_USER",
2291 [non-privileged user for privilege separation])
2292AC_SUBST(SSH_PRIVSEP_USER)
2293
2294# We do this little dance with the search path to insure
2295# that programs that we select for use by installed programs
2296# (which may be run by the super-user) come from trusted
2297# locations before they come from the user's private area.
2298# This should help avoid accidentally configuring some
2299# random version of a program in someone's personal bin.
2300
2301OPATH=$PATH
2302PATH=/bin:/usr/bin
2303test -h /bin 2> /dev/null && PATH=/usr/bin
2304test -d /sbin && PATH=$PATH:/sbin
2305test -d /usr/sbin && PATH=$PATH:/usr/sbin
2306PATH=$PATH:/etc:$OPATH
2307
2308# These programs are used by the command hashing source to gather entropy
2309OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
2310OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
2311OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
2312OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
2313OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
2314OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
2315OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
2316OSSH_PATH_ENTROPY_PROG(PROG_W, w)
2317OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
2318OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
2319OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
2320OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
2321OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
2322OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
2323OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
2324OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
2325# restore PATH
2326PATH=$OPATH
2327
2328# Where does ssh-rand-helper get its randomness from?
2329INSTALL_SSH_PRNG_CMDS=""
2330if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
2331 if test ! -z "$PRNGD_PORT" ; then
2332 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
2333 elif test ! -z "$PRNGD_SOCKET" ; then
2334 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
2335 else
2336 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
2337 RAND_HELPER_CMDHASH=yes
2338 INSTALL_SSH_PRNG_CMDS="yes"
2339 fi
2340fi
2341AC_SUBST(INSTALL_SSH_PRNG_CMDS)
2342
2343
2344# Cheap hack to ensure NEWS-OS libraries are arranged right.
2345if test ! -z "$SONY" ; then
2346 LIBS="$LIBS -liberty";
2347fi
2348
2349# Check for long long datatypes
2350AC_CHECK_TYPES([long long, unsigned long long, long double])
2351
2352# Check datatype sizes
2353AC_CHECK_SIZEOF(char, 1)
2354AC_CHECK_SIZEOF(short int, 2)
2355AC_CHECK_SIZEOF(int, 4)
2356AC_CHECK_SIZEOF(long int, 4)
2357AC_CHECK_SIZEOF(long long int, 8)
2358
2359# Sanity check long long for some platforms (AIX)
2360if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
2361 ac_cv_sizeof_long_long_int=0
2362fi
2363
2364# compute LLONG_MIN and LLONG_MAX if we don't know them.
2365if test -z "$have_llong_max"; then
2366 AC_MSG_CHECKING([for max value of long long])
2367 AC_RUN_IFELSE(
2368 [AC_LANG_SOURCE([[
2369#include <stdio.h>
2370/* Why is this so damn hard? */
2371#ifdef __GNUC__
2372# undef __GNUC__
2373#endif
2374#define __USE_ISOC99
2375#include <limits.h>
2376#define DATA "conftest.llminmax"
2377#define my_abs(a) ((a) < 0 ? ((a) * -1) : (a))
2378
2379/*
2380 * printf in libc on some platforms (eg old Tru64) does not understand %lld so
2381 * we do this the hard way.
2382 */
2383static int
2384fprint_ll(FILE *f, long long n)
2385{
2386 unsigned int i;
2387 int l[sizeof(long long) * 8];
2388
2389 if (n < 0)
2390 if (fprintf(f, "-") < 0)
2391 return -1;
2392 for (i = 0; n != 0; i++) {
2393 l[i] = my_abs(n % 10);
2394 n /= 10;
2395 }
2396 do {
2397 if (fprintf(f, "%d", l[--i]) < 0)
2398 return -1;
2399 } while (i != 0);
2400 if (fprintf(f, " ") < 0)
2401 return -1;
2402 return 0;
2403}
2404
2405int main(void) {
2406 FILE *f;
2407 long long i, llmin, llmax = 0;
2408
2409 if((f = fopen(DATA,"w")) == NULL)
2410 exit(1);
2411
2412#if defined(LLONG_MIN) && defined(LLONG_MAX)
2413 fprintf(stderr, "Using system header for LLONG_MIN and LLONG_MAX\n");
2414 llmin = LLONG_MIN;
2415 llmax = LLONG_MAX;
2416#else
2417 fprintf(stderr, "Calculating LLONG_MIN and LLONG_MAX\n");
2418 /* This will work on one's complement and two's complement */
2419 for (i = 1; i > llmax; i <<= 1, i++)
2420 llmax = i;
2421 llmin = llmax + 1LL; /* wrap */
2422#endif
2423
2424 /* Sanity check */
2425 if (llmin + 1 < llmin || llmin - 1 < llmin || llmax + 1 > llmax
2426 || llmax - 1 > llmax || llmin == llmax || llmin == 0
2427 || llmax == 0 || llmax < LONG_MAX || llmin > LONG_MIN) {
2428 fprintf(f, "unknown unknown\n");
2429 exit(2);
2430 }
2431
2432 if (fprint_ll(f, llmin) < 0)
2433 exit(3);
2434 if (fprint_ll(f, llmax) < 0)
2435 exit(4);
2436 if (fclose(f) < 0)
2437 exit(5);
2438 exit(0);
2439}
2440 ]])],
2441 [
2442 llong_min=`$AWK '{print $1}' conftest.llminmax`
2443 llong_max=`$AWK '{print $2}' conftest.llminmax`
2444
2445 AC_MSG_RESULT($llong_max)
2446 AC_DEFINE_UNQUOTED(LLONG_MAX, [${llong_max}LL],
2447 [max value of long long calculated by configure])
2448 AC_MSG_CHECKING([for min value of long long])
2449 AC_MSG_RESULT($llong_min)
2450 AC_DEFINE_UNQUOTED(LLONG_MIN, [${llong_min}LL],
2451 [min value of long long calculated by configure])
2452 ],
2453 [
2454 AC_MSG_RESULT(not found)
2455 ],
2456 [
2457 AC_MSG_WARN([cross compiling: not checking])
2458 ]
2459 )
2460fi
2461
2462
2463# More checks for data types
2464AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
2465 AC_TRY_COMPILE(
2466 [ #include <sys/types.h> ],
2467 [ u_int a; a = 1;],
2468 [ ac_cv_have_u_int="yes" ],
2469 [ ac_cv_have_u_int="no" ]
2470 )
2471])
2472if test "x$ac_cv_have_u_int" = "xyes" ; then
2473 AC_DEFINE(HAVE_U_INT, 1, [define if you have u_int data type])
2474 have_u_int=1
2475fi
2476
2477AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
2478 AC_TRY_COMPILE(
2479 [ #include <sys/types.h> ],
2480 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
2481 [ ac_cv_have_intxx_t="yes" ],
2482 [ ac_cv_have_intxx_t="no" ]
2483 )
2484])
2485if test "x$ac_cv_have_intxx_t" = "xyes" ; then
2486 AC_DEFINE(HAVE_INTXX_T, 1, [define if you have intxx_t data type])
2487 have_intxx_t=1
2488fi
2489
2490if (test -z "$have_intxx_t" && \
2491 test "x$ac_cv_header_stdint_h" = "xyes")
2492then
2493 AC_MSG_CHECKING([for intXX_t types in stdint.h])
2494 AC_TRY_COMPILE(
2495 [ #include <stdint.h> ],
2496 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
2497 [
2498 AC_DEFINE(HAVE_INTXX_T)
2499 AC_MSG_RESULT(yes)
2500 ],
2501 [ AC_MSG_RESULT(no) ]
2502 )
2503fi
2504
2505AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
2506 AC_TRY_COMPILE(
2507 [
2508#include <sys/types.h>
2509#ifdef HAVE_STDINT_H
2510# include <stdint.h>
2511#endif
2512#include <sys/socket.h>
2513#ifdef HAVE_SYS_BITYPES_H
2514# include <sys/bitypes.h>
2515#endif
2516 ],
2517 [ int64_t a; a = 1;],
2518 [ ac_cv_have_int64_t="yes" ],
2519 [ ac_cv_have_int64_t="no" ]
2520 )
2521])
2522if test "x$ac_cv_have_int64_t" = "xyes" ; then
2523 AC_DEFINE(HAVE_INT64_T, 1, [define if you have int64_t data type])
2524fi
2525
2526AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
2527 AC_TRY_COMPILE(
2528 [ #include <sys/types.h> ],
2529 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
2530 [ ac_cv_have_u_intxx_t="yes" ],
2531 [ ac_cv_have_u_intxx_t="no" ]
2532 )
2533])
2534if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
2535 AC_DEFINE(HAVE_U_INTXX_T, 1, [define if you have u_intxx_t data type])
2536 have_u_intxx_t=1
2537fi
2538
2539if test -z "$have_u_intxx_t" ; then
2540 AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
2541 AC_TRY_COMPILE(
2542 [ #include <sys/socket.h> ],
2543 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
2544 [
2545 AC_DEFINE(HAVE_U_INTXX_T)
2546 AC_MSG_RESULT(yes)
2547 ],
2548 [ AC_MSG_RESULT(no) ]
2549 )
2550fi
2551
2552AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
2553 AC_TRY_COMPILE(
2554 [ #include <sys/types.h> ],
2555 [ u_int64_t a; a = 1;],
2556 [ ac_cv_have_u_int64_t="yes" ],
2557 [ ac_cv_have_u_int64_t="no" ]
2558 )
2559])
2560if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
2561 AC_DEFINE(HAVE_U_INT64_T, 1, [define if you have u_int64_t data type])
2562 have_u_int64_t=1
2563fi
2564
2565if test -z "$have_u_int64_t" ; then
2566 AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
2567 AC_TRY_COMPILE(
2568 [ #include <sys/bitypes.h> ],
2569 [ u_int64_t a; a = 1],
2570 [
2571 AC_DEFINE(HAVE_U_INT64_T)
2572 AC_MSG_RESULT(yes)
2573 ],
2574 [ AC_MSG_RESULT(no) ]
2575 )
2576fi
2577
2578if test -z "$have_u_intxx_t" ; then
2579 AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
2580 AC_TRY_COMPILE(
2581 [
2582#include <sys/types.h>
2583 ],
2584 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
2585 [ ac_cv_have_uintxx_t="yes" ],
2586 [ ac_cv_have_uintxx_t="no" ]
2587 )
2588 ])
2589 if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
2590 AC_DEFINE(HAVE_UINTXX_T, 1,
2591 [define if you have uintxx_t data type])
2592 fi
2593fi
2594
2595if test -z "$have_uintxx_t" ; then
2596 AC_MSG_CHECKING([for uintXX_t types in stdint.h])
2597 AC_TRY_COMPILE(
2598 [ #include <stdint.h> ],
2599 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
2600 [
2601 AC_DEFINE(HAVE_UINTXX_T)
2602 AC_MSG_RESULT(yes)
2603 ],
2604 [ AC_MSG_RESULT(no) ]
2605 )
2606fi
2607
2608if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
2609 test "x$ac_cv_header_sys_bitypes_h" = "xyes")
2610then
2611 AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
2612 AC_TRY_COMPILE(
2613 [
2614#include <sys/bitypes.h>
2615 ],
2616 [
2617 int8_t a; int16_t b; int32_t c;
2618 u_int8_t e; u_int16_t f; u_int32_t g;
2619 a = b = c = e = f = g = 1;
2620 ],
2621 [
2622 AC_DEFINE(HAVE_U_INTXX_T)
2623 AC_DEFINE(HAVE_INTXX_T)
2624 AC_MSG_RESULT(yes)
2625 ],
2626 [AC_MSG_RESULT(no)]
2627 )
2628fi
2629
2630
2631AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
2632 AC_TRY_COMPILE(
2633 [
2634#include <sys/types.h>
2635 ],
2636 [ u_char foo; foo = 125; ],
2637 [ ac_cv_have_u_char="yes" ],
2638 [ ac_cv_have_u_char="no" ]
2639 )
2640])
2641if test "x$ac_cv_have_u_char" = "xyes" ; then
2642 AC_DEFINE(HAVE_U_CHAR, 1, [define if you have u_char data type])
2643fi
2644
2645TYPE_SOCKLEN_T
2646
2647AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
2648
2649AC_CHECK_TYPES(in_addr_t,,,
2650[#include <sys/types.h>
2651#include <netinet/in.h>])
2652
2653AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
2654 AC_TRY_COMPILE(
2655 [
2656#include <sys/types.h>
2657 ],
2658 [ size_t foo; foo = 1235; ],
2659 [ ac_cv_have_size_t="yes" ],
2660 [ ac_cv_have_size_t="no" ]
2661 )
2662])
2663if test "x$ac_cv_have_size_t" = "xyes" ; then
2664 AC_DEFINE(HAVE_SIZE_T, 1, [define if you have size_t data type])
2665fi
2666
2667AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
2668 AC_TRY_COMPILE(
2669 [
2670#include <sys/types.h>
2671 ],
2672 [ ssize_t foo; foo = 1235; ],
2673 [ ac_cv_have_ssize_t="yes" ],
2674 [ ac_cv_have_ssize_t="no" ]
2675 )
2676])
2677if test "x$ac_cv_have_ssize_t" = "xyes" ; then
2678 AC_DEFINE(HAVE_SSIZE_T, 1, [define if you have ssize_t data type])
2679fi
2680
2681AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
2682 AC_TRY_COMPILE(
2683 [
2684#include <time.h>
2685 ],
2686 [ clock_t foo; foo = 1235; ],
2687 [ ac_cv_have_clock_t="yes" ],
2688 [ ac_cv_have_clock_t="no" ]
2689 )
2690])
2691if test "x$ac_cv_have_clock_t" = "xyes" ; then
2692 AC_DEFINE(HAVE_CLOCK_T, 1, [define if you have clock_t data type])
2693fi
2694
2695AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
2696 AC_TRY_COMPILE(
2697 [
2698#include <sys/types.h>
2699#include <sys/socket.h>
2700 ],
2701 [ sa_family_t foo; foo = 1235; ],
2702 [ ac_cv_have_sa_family_t="yes" ],
2703 [ AC_TRY_COMPILE(
2704 [
2705#include <sys/types.h>
2706#include <sys/socket.h>
2707#include <netinet/in.h>
2708 ],
2709 [ sa_family_t foo; foo = 1235; ],
2710 [ ac_cv_have_sa_family_t="yes" ],
2711
2712 [ ac_cv_have_sa_family_t="no" ]
2713 )]
2714 )
2715])
2716if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
2717 AC_DEFINE(HAVE_SA_FAMILY_T, 1,
2718 [define if you have sa_family_t data type])
2719fi
2720
2721AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
2722 AC_TRY_COMPILE(
2723 [
2724#include <sys/types.h>
2725 ],
2726 [ pid_t foo; foo = 1235; ],
2727 [ ac_cv_have_pid_t="yes" ],
2728 [ ac_cv_have_pid_t="no" ]
2729 )
2730])
2731if test "x$ac_cv_have_pid_t" = "xyes" ; then
2732 AC_DEFINE(HAVE_PID_T, 1, [define if you have pid_t data type])
2733fi
2734
2735AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
2736 AC_TRY_COMPILE(
2737 [
2738#include <sys/types.h>
2739 ],
2740 [ mode_t foo; foo = 1235; ],
2741 [ ac_cv_have_mode_t="yes" ],
2742 [ ac_cv_have_mode_t="no" ]
2743 )
2744])
2745if test "x$ac_cv_have_mode_t" = "xyes" ; then
2746 AC_DEFINE(HAVE_MODE_T, 1, [define if you have mode_t data type])
2747fi
2748
2749
2750AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
2751 AC_TRY_COMPILE(
2752 [
2753#include <sys/types.h>
2754#include <sys/socket.h>
2755 ],
2756 [ struct sockaddr_storage s; ],
2757 [ ac_cv_have_struct_sockaddr_storage="yes" ],
2758 [ ac_cv_have_struct_sockaddr_storage="no" ]
2759 )
2760])
2761if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
2762 AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE, 1,
2763 [define if you have struct sockaddr_storage data type])
2764fi
2765
2766AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
2767 AC_TRY_COMPILE(
2768 [
2769#include <sys/types.h>
2770#include <netinet/in.h>
2771 ],
2772 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
2773 [ ac_cv_have_struct_sockaddr_in6="yes" ],
2774 [ ac_cv_have_struct_sockaddr_in6="no" ]
2775 )
2776])
2777if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
2778 AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6, 1,
2779 [define if you have struct sockaddr_in6 data type])
2780fi
2781
2782AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
2783 AC_TRY_COMPILE(
2784 [
2785#include <sys/types.h>
2786#include <netinet/in.h>
2787 ],
2788 [ struct in6_addr s; s.s6_addr[0] = 0; ],
2789 [ ac_cv_have_struct_in6_addr="yes" ],
2790 [ ac_cv_have_struct_in6_addr="no" ]
2791 )
2792])
2793if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
2794 AC_DEFINE(HAVE_STRUCT_IN6_ADDR, 1,
2795 [define if you have struct in6_addr data type])
2796fi
2797
2798AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
2799 AC_TRY_COMPILE(
2800 [
2801#include <sys/types.h>
2802#include <sys/socket.h>
2803#include <netdb.h>
2804 ],
2805 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
2806 [ ac_cv_have_struct_addrinfo="yes" ],
2807 [ ac_cv_have_struct_addrinfo="no" ]
2808 )
2809])
2810if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
2811 AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1,
2812 [define if you have struct addrinfo data type])
2813fi
2814
2815AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
2816 AC_TRY_COMPILE(
2817 [ #include <sys/time.h> ],
2818 [ struct timeval tv; tv.tv_sec = 1;],
2819 [ ac_cv_have_struct_timeval="yes" ],
2820 [ ac_cv_have_struct_timeval="no" ]
2821 )
2822])
2823if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
2824 AC_DEFINE(HAVE_STRUCT_TIMEVAL, 1, [define if you have struct timeval])
2825 have_struct_timeval=1
2826fi
2827
2828AC_CHECK_TYPES(struct timespec)
2829
2830# We need int64_t or else certian parts of the compile will fail.
2831if test "x$ac_cv_have_int64_t" = "xno" && \
2832 test "x$ac_cv_sizeof_long_int" != "x8" && \
2833 test "x$ac_cv_sizeof_long_long_int" = "x0" ; then
2834 echo "OpenSSH requires int64_t support. Contact your vendor or install"
2835 echo "an alternative compiler (I.E., GCC) before continuing."
2836 echo ""
2837 exit 1;
2838else
2839dnl test snprintf (broken on SCO w/gcc)
2840 AC_RUN_IFELSE(
2841 [AC_LANG_SOURCE([[
2842#include <stdio.h>
2843#include <string.h>
2844#ifdef HAVE_SNPRINTF
2845main()
2846{
2847 char buf[50];
2848 char expected_out[50];
2849 int mazsize = 50 ;
2850#if (SIZEOF_LONG_INT == 8)
2851 long int num = 0x7fffffffffffffff;
2852#else
2853 long long num = 0x7fffffffffffffffll;
2854#endif
2855 strcpy(expected_out, "9223372036854775807");
2856 snprintf(buf, mazsize, "%lld", num);
2857 if(strcmp(buf, expected_out) != 0)
2858 exit(1);
2859 exit(0);
2860}
2861#else
2862main() { exit(0); }
2863#endif
2864 ]])], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ],
2865 AC_MSG_WARN([cross compiling: Assuming working snprintf()])
2866 )
2867fi
2868
2869dnl Checks for structure members
2870OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
2871OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
2872OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
2873OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
2874OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
2875OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
2876OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
2877OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
2878OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
2879OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
2880OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
2881OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
2882OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
2883OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
2884OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
2885OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
2886OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
2887
2888AC_CHECK_MEMBERS([struct stat.st_blksize])
2889AC_CHECK_MEMBER([struct __res_state.retrans], [], [AC_DEFINE(__res_state, state,
2890 [Define if we don't have struct __res_state in resolv.h])],
2891[
2892#include <stdio.h>
2893#if HAVE_SYS_TYPES_H
2894# include <sys/types.h>
2895#endif
2896#include <netinet/in.h>
2897#include <arpa/nameser.h>
2898#include <resolv.h>
2899])
2900
2901AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
2902 ac_cv_have_ss_family_in_struct_ss, [
2903 AC_TRY_COMPILE(
2904 [
2905#include <sys/types.h>
2906#include <sys/socket.h>
2907 ],
2908 [ struct sockaddr_storage s; s.ss_family = 1; ],
2909 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
2910 [ ac_cv_have_ss_family_in_struct_ss="no" ],
2911 )
2912])
2913if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
2914 AC_DEFINE(HAVE_SS_FAMILY_IN_SS, 1, [Fields in struct sockaddr_storage])
2915fi
2916
2917AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
2918 ac_cv_have___ss_family_in_struct_ss, [
2919 AC_TRY_COMPILE(
2920 [
2921#include <sys/types.h>
2922#include <sys/socket.h>
2923 ],
2924 [ struct sockaddr_storage s; s.__ss_family = 1; ],
2925 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
2926 [ ac_cv_have___ss_family_in_struct_ss="no" ]
2927 )
2928])
2929if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
2930 AC_DEFINE(HAVE___SS_FAMILY_IN_SS, 1,
2931 [Fields in struct sockaddr_storage])
2932fi
2933
2934AC_CACHE_CHECK([for pw_class field in struct passwd],
2935 ac_cv_have_pw_class_in_struct_passwd, [
2936 AC_TRY_COMPILE(
2937 [
2938#include <pwd.h>
2939 ],
2940 [ struct passwd p; p.pw_class = 0; ],
2941 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
2942 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
2943 )
2944])
2945if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
2946 AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD, 1,
2947 [Define if your password has a pw_class field])
2948fi
2949
2950AC_CACHE_CHECK([for pw_expire field in struct passwd],
2951 ac_cv_have_pw_expire_in_struct_passwd, [
2952 AC_TRY_COMPILE(
2953 [
2954#include <pwd.h>
2955 ],
2956 [ struct passwd p; p.pw_expire = 0; ],
2957 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
2958 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
2959 )
2960])
2961if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
2962 AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD, 1,
2963 [Define if your password has a pw_expire field])
2964fi
2965
2966AC_CACHE_CHECK([for pw_change field in struct passwd],
2967 ac_cv_have_pw_change_in_struct_passwd, [
2968 AC_TRY_COMPILE(
2969 [
2970#include <pwd.h>
2971 ],
2972 [ struct passwd p; p.pw_change = 0; ],
2973 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
2974 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
2975 )
2976])
2977if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
2978 AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD, 1,
2979 [Define if your password has a pw_change field])
2980fi
2981
2982dnl make sure we're using the real structure members and not defines
2983AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
2984 ac_cv_have_accrights_in_msghdr, [
2985 AC_COMPILE_IFELSE(
2986 [
2987#include <sys/types.h>
2988#include <sys/socket.h>
2989#include <sys/uio.h>
2990int main() {
2991#ifdef msg_accrights
2992#error "msg_accrights is a macro"
2993exit(1);
2994#endif
2995struct msghdr m;
2996m.msg_accrights = 0;
2997exit(0);
2998}
2999 ],
3000 [ ac_cv_have_accrights_in_msghdr="yes" ],
3001 [ ac_cv_have_accrights_in_msghdr="no" ]
3002 )
3003])
3004if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
3005 AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR, 1,
3006 [Define if your system uses access rights style
3007 file descriptor passing])
3008fi
3009
3010AC_CACHE_CHECK([for msg_control field in struct msghdr],
3011 ac_cv_have_control_in_msghdr, [
3012 AC_COMPILE_IFELSE(
3013 [
3014#include <sys/types.h>
3015#include <sys/socket.h>
3016#include <sys/uio.h>
3017int main() {
3018#ifdef msg_control
3019#error "msg_control is a macro"
3020exit(1);
3021#endif
3022struct msghdr m;
3023m.msg_control = 0;
3024exit(0);
3025}
3026 ],
3027 [ ac_cv_have_control_in_msghdr="yes" ],
3028 [ ac_cv_have_control_in_msghdr="no" ]
3029 )
3030])
3031if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
3032 AC_DEFINE(HAVE_CONTROL_IN_MSGHDR, 1,
3033 [Define if your system uses ancillary data style
3034 file descriptor passing])
3035fi
3036
3037AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
3038 AC_TRY_LINK([],
3039 [ extern char *__progname; printf("%s", __progname); ],
3040 [ ac_cv_libc_defines___progname="yes" ],
3041 [ ac_cv_libc_defines___progname="no" ]
3042 )
3043])
3044if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
3045 AC_DEFINE(HAVE___PROGNAME, 1, [Define if libc defines __progname])
3046fi
3047
3048AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
3049 AC_TRY_LINK([
3050#include <stdio.h>
3051],
3052 [ printf("%s", __FUNCTION__); ],
3053 [ ac_cv_cc_implements___FUNCTION__="yes" ],
3054 [ ac_cv_cc_implements___FUNCTION__="no" ]
3055 )
3056])
3057if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
3058 AC_DEFINE(HAVE___FUNCTION__, 1,
3059 [Define if compiler implements __FUNCTION__])
3060fi
3061
3062AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
3063 AC_TRY_LINK([
3064#include <stdio.h>
3065],
3066 [ printf("%s", __func__); ],
3067 [ ac_cv_cc_implements___func__="yes" ],
3068 [ ac_cv_cc_implements___func__="no" ]
3069 )
3070])
3071if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
3072 AC_DEFINE(HAVE___func__, 1, [Define if compiler implements __func__])
3073fi
3074
3075AC_CACHE_CHECK([whether va_copy exists], ac_cv_have_va_copy, [
3076 AC_TRY_LINK(
3077 [#include <stdarg.h>
3078 va_list x,y;],
3079 [va_copy(x,y);],
3080 [ ac_cv_have_va_copy="yes" ],
3081 [ ac_cv_have_va_copy="no" ]
3082 )
3083])
3084if test "x$ac_cv_have_va_copy" = "xyes" ; then
3085 AC_DEFINE(HAVE_VA_COPY, 1, [Define if va_copy exists])
3086fi
3087
3088AC_CACHE_CHECK([whether __va_copy exists], ac_cv_have___va_copy, [
3089 AC_TRY_LINK(
3090 [#include <stdarg.h>
3091 va_list x,y;],
3092 [__va_copy(x,y);],
3093 [ ac_cv_have___va_copy="yes" ],
3094 [ ac_cv_have___va_copy="no" ]
3095 )
3096])
3097if test "x$ac_cv_have___va_copy" = "xyes" ; then
3098 AC_DEFINE(HAVE___VA_COPY, 1, [Define if __va_copy exists])
3099fi
3100
3101AC_CACHE_CHECK([whether getopt has optreset support],
3102 ac_cv_have_getopt_optreset, [
3103 AC_TRY_LINK(
3104 [
3105#include <getopt.h>
3106 ],
3107 [ extern int optreset; optreset = 0; ],
3108 [ ac_cv_have_getopt_optreset="yes" ],
3109 [ ac_cv_have_getopt_optreset="no" ]
3110 )
3111])
3112if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
3113 AC_DEFINE(HAVE_GETOPT_OPTRESET, 1,
3114 [Define if your getopt(3) defines and uses optreset])
3115fi
3116
3117AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
3118 AC_TRY_LINK([],
3119 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
3120 [ ac_cv_libc_defines_sys_errlist="yes" ],
3121 [ ac_cv_libc_defines_sys_errlist="no" ]
3122 )
3123])
3124if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
3125 AC_DEFINE(HAVE_SYS_ERRLIST, 1,
3126 [Define if your system defines sys_errlist[]])
3127fi
3128
3129
3130AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
3131 AC_TRY_LINK([],
3132 [ extern int sys_nerr; printf("%i", sys_nerr);],
3133 [ ac_cv_libc_defines_sys_nerr="yes" ],
3134 [ ac_cv_libc_defines_sys_nerr="no" ]
3135 )
3136])
3137if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
3138 AC_DEFINE(HAVE_SYS_NERR, 1, [Define if your system defines sys_nerr])
3139fi
3140
3141SCARD_MSG="no"
3142# Check whether user wants sectok support
3143AC_ARG_WITH(sectok,
3144 [ --with-sectok Enable smartcard support using libsectok],
3145 [
3146 if test "x$withval" != "xno" ; then
3147 if test "x$withval" != "xyes" ; then
3148 CPPFLAGS="$CPPFLAGS -I${withval}"
3149 LDFLAGS="$LDFLAGS -L${withval}"
3150 if test ! -z "$need_dash_r" ; then
3151 LDFLAGS="$LDFLAGS -R${withval}"
3152 fi
3153 if test ! -z "$blibpath" ; then
3154 blibpath="$blibpath:${withval}"
3155 fi
3156 fi
3157 AC_CHECK_HEADERS(sectok.h)
3158 if test "$ac_cv_header_sectok_h" != yes; then
3159 AC_MSG_ERROR(Can't find sectok.h)
3160 fi
3161 AC_CHECK_LIB(sectok, sectok_open)
3162 if test "$ac_cv_lib_sectok_sectok_open" != yes; then
3163 AC_MSG_ERROR(Can't find libsectok)
3164 fi
3165 AC_DEFINE(SMARTCARD, 1,
3166 [Define if you want smartcard support])
3167 AC_DEFINE(USE_SECTOK, 1,
3168 [Define if you want smartcard support
3169 using sectok])
3170 SCARD_MSG="yes, using sectok"
3171 fi
3172 ]
3173)
3174
3175# Check whether user wants OpenSC support
3176OPENSC_CONFIG="no"
3177AC_ARG_WITH(opensc,
3178 [ --with-opensc[[=PFX]] Enable smartcard support using OpenSC (optionally in PATH)],
3179 [
3180 if test "x$withval" != "xno" ; then
3181 if test "x$withval" != "xyes" ; then
3182 OPENSC_CONFIG=$withval/bin/opensc-config
3183 else
3184 AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
3185 fi
3186 if test "$OPENSC_CONFIG" != "no"; then
3187 LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
3188 LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
3189 CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
3190 LIBS="$LIBS $LIBOPENSC_LIBS"
3191 AC_DEFINE(SMARTCARD)
3192 AC_DEFINE(USE_OPENSC, 1,
3193 [Define if you want smartcard support
3194 using OpenSC])
3195 SCARD_MSG="yes, using OpenSC"
3196 fi
3197 fi
3198 ]
3199)
3200
3201# Check libraries needed by DNS fingerprint support
3202AC_SEARCH_LIBS(getrrsetbyname, resolv,
3203 [AC_DEFINE(HAVE_GETRRSETBYNAME, 1,
3204 [Define if getrrsetbyname() exists])],
3205 [
3206 # Needed by our getrrsetbyname()
3207 AC_SEARCH_LIBS(res_query, resolv)
3208 AC_SEARCH_LIBS(dn_expand, resolv)
3209 AC_MSG_CHECKING(if res_query will link)
3210 AC_TRY_LINK_FUNC(res_query, AC_MSG_RESULT(yes),
3211 [AC_MSG_RESULT(no)
3212 saved_LIBS="$LIBS"
3213 LIBS="$LIBS -lresolv"
3214 AC_MSG_CHECKING(for res_query in -lresolv)
3215 AC_LINK_IFELSE([
3216#include <resolv.h>
3217int main()
3218{
3219 res_query (0, 0, 0, 0, 0);
3220 return 0;
3221}
3222 ],
3223 [LIBS="$LIBS -lresolv"
3224 AC_MSG_RESULT(yes)],
3225 [LIBS="$saved_LIBS"
3226 AC_MSG_RESULT(no)])
3227 ])
3228 AC_CHECK_FUNCS(_getshort _getlong)
3229 AC_CHECK_DECLS([_getshort, _getlong], , ,
3230 [#include <sys/types.h>
3231 #include <arpa/nameser.h>])
3232 AC_CHECK_MEMBER(HEADER.ad,
3233 [AC_DEFINE(HAVE_HEADER_AD, 1,
3234 [Define if HEADER.ad exists in arpa/nameser.h])],,
3235 [#include <arpa/nameser.h>])
3236 ])
3237
3238AC_MSG_CHECKING(if struct __res_state _res is an extern)
3239AC_LINK_IFELSE([
3240#include <stdio.h>
3241#if HAVE_SYS_TYPES_H
3242# include <sys/types.h>
3243#endif
3244#include <netinet/in.h>
3245#include <arpa/nameser.h>
3246#include <resolv.h>
3247extern struct __res_state _res;
3248int main() { return 0; }
3249 ],
3250 [AC_MSG_RESULT(yes)
3251 AC_DEFINE(HAVE__RES_EXTERN, 1,
3252 [Define if you have struct __res_state _res as an extern])
3253 ],
3254 [ AC_MSG_RESULT(no) ]
3255)
3256
3257# Check whether user wants SELinux support
3258SELINUX_MSG="no"
3259LIBSELINUX=""
3260AC_ARG_WITH(selinux,
3261 [ --with-selinux Enable SELinux support],
3262 [ if test "x$withval" != "xno" ; then
3263 save_LIBS="$LIBS"
3264 AC_DEFINE(WITH_SELINUX,1,[Define if you want SELinux support.])
3265 SELINUX_MSG="yes"
3266 AC_CHECK_HEADER([selinux/selinux.h], ,
3267 AC_MSG_ERROR(SELinux support requires selinux.h header))
3268 AC_CHECK_LIB(selinux, setexeccon, [ LIBSELINUX="-lselinux" ],
3269 AC_MSG_ERROR(SELinux support requires libselinux library))
3270 SSHDLIBS="$SSHDLIBS $LIBSELINUX"
3271 AC_CHECK_FUNCS(getseuserbyname get_default_context_with_level)
3272 LIBS="$save_LIBS"
3273 fi ]
3274)
3275
3276# Check whether user wants Kerberos 5 support
3277KRB5_MSG="no"
3278AC_ARG_WITH(kerberos5,
3279 [ --with-kerberos5=PATH Enable Kerberos 5 support],
3280 [ if test "x$withval" != "xno" ; then
3281 if test "x$withval" = "xyes" ; then
3282 KRB5ROOT="/usr/local"
3283 else
3284 KRB5ROOT=${withval}
3285 fi
3286
3287 AC_DEFINE(KRB5, 1, [Define if you want Kerberos 5 support])
3288 KRB5_MSG="yes"
3289
3290 AC_MSG_CHECKING(for krb5-config)
3291 if test -x $KRB5ROOT/bin/krb5-config ; then
3292 KRB5CONF=$KRB5ROOT/bin/krb5-config
3293 AC_MSG_RESULT($KRB5CONF)
3294
3295 AC_MSG_CHECKING(for gssapi support)
3296 if $KRB5CONF | grep gssapi >/dev/null ; then
3297 AC_MSG_RESULT(yes)
3298 AC_DEFINE(GSSAPI, 1,
3299 [Define this if you want GSSAPI
3300 support in the version 2 protocol])
3301 k5confopts=gssapi
3302 else
3303 AC_MSG_RESULT(no)
3304 k5confopts=""
3305 fi
3306 K5CFLAGS="`$KRB5CONF --cflags $k5confopts`"
3307 K5LIBS="`$KRB5CONF --libs $k5confopts`"
3308 CPPFLAGS="$CPPFLAGS $K5CFLAGS"
3309 AC_MSG_CHECKING(whether we are using Heimdal)
3310 AC_TRY_COMPILE([ #include <krb5.h> ],
3311 [ char *tmp = heimdal_version; ],
3312 [ AC_MSG_RESULT(yes)
3313 AC_DEFINE(HEIMDAL, 1,
3314 [Define this if you are using the
3315 Heimdal version of Kerberos V5]) ],
3316 AC_MSG_RESULT(no)
3317 )
3318 else
3319 AC_MSG_RESULT(no)
3320 CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
3321 LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
3322 AC_MSG_CHECKING(whether we are using Heimdal)
3323 AC_TRY_COMPILE([ #include <krb5.h> ],
3324 [ char *tmp = heimdal_version; ],
3325 [ AC_MSG_RESULT(yes)
3326 AC_DEFINE(HEIMDAL)
3327 K5LIBS="-lkrb5 -ldes"
3328 K5LIBS="$K5LIBS -lcom_err -lasn1"
3329 AC_CHECK_LIB(roken, net_write,
3330 [K5LIBS="$K5LIBS -lroken"])
3331 ],
3332 [ AC_MSG_RESULT(no)
3333 K5LIBS="-lkrb5 -lk5crypto -lcom_err"
3334 ]
3335 )
3336 AC_SEARCH_LIBS(dn_expand, resolv)
3337
3338 AC_CHECK_LIB(gssapi,gss_init_sec_context,
3339 [ AC_DEFINE(GSSAPI)
3340 K5LIBS="-lgssapi $K5LIBS" ],
3341 [ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
3342 [ AC_DEFINE(GSSAPI)
3343 K5LIBS="-lgssapi_krb5 $K5LIBS" ],
3344 AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
3345 $K5LIBS)
3346 ],
3347 $K5LIBS)
3348
3349 AC_CHECK_HEADER(gssapi.h, ,
3350 [ unset ac_cv_header_gssapi_h
3351 CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
3352 AC_CHECK_HEADERS(gssapi.h, ,
3353 AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
3354 )
3355 ]
3356 )
3357
3358 oldCPP="$CPPFLAGS"
3359 CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
3360 AC_CHECK_HEADER(gssapi_krb5.h, ,
3361 [ CPPFLAGS="$oldCPP" ])
3362
3363 fi
3364 if test ! -z "$need_dash_r" ; then
3365 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
3366 fi
3367 if test ! -z "$blibpath" ; then
3368 blibpath="$blibpath:${KRB5ROOT}/lib"
3369 fi
3370
3371 AC_CHECK_HEADERS(gssapi.h gssapi/gssapi.h)
3372 AC_CHECK_HEADERS(gssapi_krb5.h gssapi/gssapi_krb5.h)
3373 AC_CHECK_HEADERS(gssapi_generic.h gssapi/gssapi_generic.h)
3374
3375 LIBS="$LIBS $K5LIBS"
3376 AC_SEARCH_LIBS(k_hasafs, kafs, AC_DEFINE(USE_AFS, 1,
3377 [Define this if you want to use libkafs' AFS support]))
3378 fi
3379 ]
3380)
3381
3382# Looking for programs, paths and files
3383
3384PRIVSEP_PATH=/var/empty
3385AC_ARG_WITH(privsep-path,
3386 [ --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)],
3387 [
3388 if test -n "$withval" && test "x$withval" != "xno" && \
3389 test "x${withval}" != "xyes"; then
3390 PRIVSEP_PATH=$withval
3391 fi
3392 ]
3393)
3394AC_SUBST(PRIVSEP_PATH)
3395
3396AC_ARG_WITH(xauth,
3397 [ --with-xauth=PATH Specify path to xauth program ],
3398 [
3399 if test -n "$withval" && test "x$withval" != "xno" && \
3400 test "x${withval}" != "xyes"; then
3401 xauth_path=$withval
3402 fi
3403 ],
3404 [
3405 TestPath="$PATH"
3406 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X/bin"
3407 TestPath="${TestPath}${PATH_SEPARATOR}/usr/bin/X11"
3408 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X11R6/bin"
3409 TestPath="${TestPath}${PATH_SEPARATOR}/usr/openwin/bin"
3410 AC_PATH_PROG(xauth_path, xauth, , $TestPath)
3411 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
3412 xauth_path="/usr/openwin/bin/xauth"
3413 fi
3414 ]
3415)
3416
3417STRIP_OPT=-s
3418AC_ARG_ENABLE(strip,
3419 [ --disable-strip Disable calling strip(1) on install],
3420 [
3421 if test "x$enableval" = "xno" ; then
3422 STRIP_OPT=
3423 fi
3424 ]
3425)
3426AC_SUBST(STRIP_OPT)
3427
3428if test -z "$xauth_path" ; then
3429 XAUTH_PATH="undefined"
3430 AC_SUBST(XAUTH_PATH)
3431else
3432 AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path",
3433 [Define if xauth is found in your path])
3434 XAUTH_PATH=$xauth_path
3435 AC_SUBST(XAUTH_PATH)
3436fi
3437
3438# Check for mail directory (last resort if we cannot get it from headers)
3439if test ! -z "$MAIL" ; then
3440 maildir=`dirname $MAIL`
3441 AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir",
3442 [Set this to your mail directory if you don't have maillock.h])
3443fi
3444
3445if test ! -z "$cross_compiling" && test "x$cross_compiling" = "xyes"; then
3446 AC_MSG_WARN([cross compiling: Disabling /dev/ptmx test])
3447 disable_ptmx_check=yes
3448fi
3449if test -z "$no_dev_ptmx" ; then
3450 if test "x$disable_ptmx_check" != "xyes" ; then
3451 AC_CHECK_FILE("/dev/ptmx",
3452 [
3453 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX, 1,
3454 [Define if you have /dev/ptmx])
3455 have_dev_ptmx=1
3456 ]
3457 )
3458 fi
3459fi
3460
3461if test ! -z "$cross_compiling" && test "x$cross_compiling" != "xyes"; then
3462 AC_CHECK_FILE("/dev/ptc",
3463 [
3464 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC, 1,
3465 [Define if you have /dev/ptc])
3466 have_dev_ptc=1
3467 ]
3468 )
3469else
3470 AC_MSG_WARN([cross compiling: Disabling /dev/ptc test])
3471fi
3472
3473# Options from here on. Some of these are preset by platform above
3474AC_ARG_WITH(mantype,
3475 [ --with-mantype=man|cat|doc Set man page type],
3476 [
3477 case "$withval" in
3478 man|cat|doc)
3479 MANTYPE=$withval
3480 ;;
3481 *)
3482 AC_MSG_ERROR(invalid man type: $withval)
3483 ;;
3484 esac
3485 ]
3486)
3487if test -z "$MANTYPE"; then
3488 TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb"
3489 AC_PATH_PROGS(NROFF, nroff awf, /bin/false, $TestPath)
3490 if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
3491 MANTYPE=doc
3492 elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
3493 MANTYPE=man
3494 else
3495 MANTYPE=cat
3496 fi
3497fi
3498AC_SUBST(MANTYPE)
3499if test "$MANTYPE" = "doc"; then
3500 mansubdir=man;
3501else
3502 mansubdir=$MANTYPE;
3503fi
3504AC_SUBST(mansubdir)
3505
3506# Check whether to enable MD5 passwords
3507MD5_MSG="no"
3508AC_ARG_WITH(md5-passwords,
3509 [ --with-md5-passwords Enable use of MD5 passwords],
3510 [
3511 if test "x$withval" != "xno" ; then
3512 AC_DEFINE(HAVE_MD5_PASSWORDS, 1,
3513 [Define if you want to allow MD5 passwords])
3514 MD5_MSG="yes"
3515 fi
3516 ]
3517)
3518
3519# Whether to disable shadow password support
3520AC_ARG_WITH(shadow,
3521 [ --without-shadow Disable shadow password support],
3522 [
3523 if test "x$withval" = "xno" ; then
3524 AC_DEFINE(DISABLE_SHADOW)
3525 disable_shadow=yes
3526 fi
3527 ]
3528)
3529
3530if test -z "$disable_shadow" ; then
3531 AC_MSG_CHECKING([if the systems has expire shadow information])
3532 AC_TRY_COMPILE(
3533 [
3534#include <sys/types.h>
3535#include <shadow.h>
3536 struct spwd sp;
3537 ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
3538 [ sp_expire_available=yes ], []
3539 )
3540
3541 if test "x$sp_expire_available" = "xyes" ; then
3542 AC_MSG_RESULT(yes)
3543 AC_DEFINE(HAS_SHADOW_EXPIRE, 1,
3544 [Define if you want to use shadow password expire field])
3545 else
3546 AC_MSG_RESULT(no)
3547 fi
3548fi
3549
3550# Use ip address instead of hostname in $DISPLAY
3551if test ! -z "$IPADDR_IN_DISPLAY" ; then
3552 DISPLAY_HACK_MSG="yes"
3553 AC_DEFINE(IPADDR_IN_DISPLAY, 1,
3554 [Define if you need to use IP address
3555 instead of hostname in $DISPLAY])
3556else
3557 DISPLAY_HACK_MSG="no"
3558 AC_ARG_WITH(ipaddr-display,
3559 [ --with-ipaddr-display Use ip address instead of hostname in \$DISPLAY],
3560 [
3561 if test "x$withval" != "xno" ; then
3562 AC_DEFINE(IPADDR_IN_DISPLAY)
3563 DISPLAY_HACK_MSG="yes"
3564 fi
3565 ]
3566 )
3567fi
3568
3569# check for /etc/default/login and use it if present.
3570AC_ARG_ENABLE(etc-default-login,
3571 [ --disable-etc-default-login Disable using PATH from /etc/default/login [no]],
3572 [ if test "x$enableval" = "xno"; then
3573 AC_MSG_NOTICE([/etc/default/login handling disabled])
3574 etc_default_login=no
3575 else
3576 etc_default_login=yes
3577 fi ],
3578 [ if test ! -z "$cross_compiling" && test "x$cross_compiling" = "xyes";
3579 then
3580 AC_MSG_WARN([cross compiling: not checking /etc/default/login])
3581 etc_default_login=no
3582 else
3583 etc_default_login=yes
3584 fi ]
3585)
3586
3587if test "x$etc_default_login" != "xno"; then
3588 AC_CHECK_FILE("/etc/default/login",
3589 [ external_path_file=/etc/default/login ])
3590 if test "x$external_path_file" = "x/etc/default/login"; then
3591 AC_DEFINE(HAVE_ETC_DEFAULT_LOGIN, 1,
3592 [Define if your system has /etc/default/login])
3593 fi
3594fi
3595
3596dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
3597if test $ac_cv_func_login_getcapbool = "yes" && \
3598 test $ac_cv_header_login_cap_h = "yes" ; then
3599 external_path_file=/etc/login.conf
3600fi
3601
3602# Whether to mess with the default path
3603SERVER_PATH_MSG="(default)"
3604AC_ARG_WITH(default-path,
3605 [ --with-default-path= Specify default \$PATH environment for server],
3606 [
3607 if test "x$external_path_file" = "x/etc/login.conf" ; then
3608 AC_MSG_WARN([
3609--with-default-path=PATH has no effect on this system.
3610Edit /etc/login.conf instead.])
3611 elif test "x$withval" != "xno" ; then
3612 if test ! -z "$external_path_file" ; then
3613 AC_MSG_WARN([
3614--with-default-path=PATH will only be used if PATH is not defined in
3615$external_path_file .])
3616 fi
3617 user_path="$withval"
3618 SERVER_PATH_MSG="$withval"
3619 fi
3620 ],
3621 [ if test "x$external_path_file" = "x/etc/login.conf" ; then
3622 AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
3623 else
3624 if test ! -z "$external_path_file" ; then
3625 AC_MSG_WARN([
3626If PATH is defined in $external_path_file, ensure the path to scp is included,
3627otherwise scp will not work.])
3628 fi
3629 AC_RUN_IFELSE(
3630 [AC_LANG_SOURCE([[
3631/* find out what STDPATH is */
3632#include <stdio.h>
3633#ifdef HAVE_PATHS_H
3634# include <paths.h>
3635#endif
3636#ifndef _PATH_STDPATH
3637# ifdef _PATH_USERPATH /* Irix */
3638# define _PATH_STDPATH _PATH_USERPATH
3639# else
3640# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
3641# endif
3642#endif
3643#include <sys/types.h>
3644#include <sys/stat.h>
3645#include <fcntl.h>
3646#define DATA "conftest.stdpath"
3647
3648main()
3649{
3650 FILE *fd;
3651 int rc;
3652
3653 fd = fopen(DATA,"w");
3654 if(fd == NULL)
3655 exit(1);
3656
3657 if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
3658 exit(1);
3659
3660 exit(0);
3661}
3662 ]])],
3663 [ user_path=`cat conftest.stdpath` ],
3664 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
3665 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
3666 )
3667# make sure $bindir is in USER_PATH so scp will work
3668 t_bindir=`eval echo ${bindir}`
3669 case $t_bindir in
3670 NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
3671 esac
3672 case $t_bindir in
3673 NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
3674 esac
3675 echo $user_path | grep ":$t_bindir" > /dev/null 2>&1
3676 if test $? -ne 0 ; then
3677 echo $user_path | grep "^$t_bindir" > /dev/null 2>&1
3678 if test $? -ne 0 ; then
3679 user_path=$user_path:$t_bindir
3680 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
3681 fi
3682 fi
3683 fi ]
3684)
3685if test "x$external_path_file" != "x/etc/login.conf" ; then
3686 AC_DEFINE_UNQUOTED(USER_PATH, "$user_path", [Specify default $PATH])
3687 AC_SUBST(user_path)
3688fi
3689
3690# Set superuser path separately to user path
3691AC_ARG_WITH(superuser-path,
3692 [ --with-superuser-path= Specify different path for super-user],
3693 [
3694 if test -n "$withval" && test "x$withval" != "xno" && \
3695 test "x${withval}" != "xyes"; then
3696 AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval",
3697 [Define if you want a different $PATH
3698 for the superuser])
3699 superuser_path=$withval
3700 fi
3701 ]
3702)
3703
3704
3705AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
3706IPV4_IN6_HACK_MSG="no"
3707AC_ARG_WITH(4in6,
3708 [ --with-4in6 Check for and convert IPv4 in IPv6 mapped addresses],
3709 [
3710 if test "x$withval" != "xno" ; then
3711 AC_MSG_RESULT(yes)
3712 AC_DEFINE(IPV4_IN_IPV6, 1,
3713 [Detect IPv4 in IPv6 mapped addresses
3714 and treat as IPv4])
3715 IPV4_IN6_HACK_MSG="yes"
3716 else
3717 AC_MSG_RESULT(no)
3718 fi
3719 ],[
3720 if test "x$inet6_default_4in6" = "xyes"; then
3721 AC_MSG_RESULT([yes (default)])
3722 AC_DEFINE(IPV4_IN_IPV6)
3723 IPV4_IN6_HACK_MSG="yes"
3724 else
3725 AC_MSG_RESULT([no (default)])
3726 fi
3727 ]
3728)
3729
3730# Whether to enable BSD auth support
3731BSD_AUTH_MSG=no
3732AC_ARG_WITH(bsd-auth,
3733 [ --with-bsd-auth Enable BSD auth support],
3734 [
3735 if test "x$withval" != "xno" ; then
3736 AC_DEFINE(BSD_AUTH, 1,
3737 [Define if you have BSD auth support])
3738 BSD_AUTH_MSG=yes
3739 fi
3740 ]
3741)
3742
3743# Where to place sshd.pid
3744piddir=/var/run
3745# make sure the directory exists
3746if test ! -d $piddir ; then
3747 piddir=`eval echo ${sysconfdir}`
3748 case $piddir in
3749 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
3750 esac
3751fi
3752
3753AC_ARG_WITH(pid-dir,
3754 [ --with-pid-dir=PATH Specify location of ssh.pid file],
3755 [
3756 if test -n "$withval" && test "x$withval" != "xno" && \
3757 test "x${withval}" != "xyes"; then
3758 piddir=$withval
3759 if test ! -d $piddir ; then
3760 AC_MSG_WARN([** no $piddir directory on this system **])
3761 fi
3762 fi
3763 ]
3764)
3765
3766AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir", [Specify location of ssh.pid])
3767AC_SUBST(piddir)
3768
3769dnl allow user to disable some login recording features
3770AC_ARG_ENABLE(lastlog,
3771 [ --disable-lastlog disable use of lastlog even if detected [no]],
3772 [
3773 if test "x$enableval" = "xno" ; then
3774 AC_DEFINE(DISABLE_LASTLOG)
3775 fi
3776 ]
3777)
3778AC_ARG_ENABLE(utmp,
3779 [ --disable-utmp disable use of utmp even if detected [no]],
3780 [
3781 if test "x$enableval" = "xno" ; then
3782 AC_DEFINE(DISABLE_UTMP)
3783 fi
3784 ]
3785)
3786AC_ARG_ENABLE(utmpx,
3787 [ --disable-utmpx disable use of utmpx even if detected [no]],
3788 [
3789 if test "x$enableval" = "xno" ; then
3790 AC_DEFINE(DISABLE_UTMPX, 1,
3791 [Define if you don't want to use utmpx])
3792 fi
3793 ]
3794)
3795AC_ARG_ENABLE(wtmp,
3796 [ --disable-wtmp disable use of wtmp even if detected [no]],
3797 [
3798 if test "x$enableval" = "xno" ; then
3799 AC_DEFINE(DISABLE_WTMP)
3800 fi
3801 ]
3802)
3803AC_ARG_ENABLE(wtmpx,
3804 [ --disable-wtmpx disable use of wtmpx even if detected [no]],
3805 [
3806 if test "x$enableval" = "xno" ; then
3807 AC_DEFINE(DISABLE_WTMPX, 1,
3808 [Define if you don't want to use wtmpx])
3809 fi
3810 ]
3811)
3812AC_ARG_ENABLE(libutil,
3813 [ --disable-libutil disable use of libutil (login() etc.) [no]],
3814 [
3815 if test "x$enableval" = "xno" ; then
3816 AC_DEFINE(DISABLE_LOGIN)
3817 fi
3818 ]
3819)
3820AC_ARG_ENABLE(pututline,
3821 [ --disable-pututline disable use of pututline() etc. ([uw]tmp) [no]],
3822 [
3823 if test "x$enableval" = "xno" ; then
3824 AC_DEFINE(DISABLE_PUTUTLINE, 1,
3825 [Define if you don't want to use pututline()
3826 etc. to write [uw]tmp])
3827 fi
3828 ]
3829)
3830AC_ARG_ENABLE(pututxline,
3831 [ --disable-pututxline disable use of pututxline() etc. ([uw]tmpx) [no]],
3832 [
3833 if test "x$enableval" = "xno" ; then
3834 AC_DEFINE(DISABLE_PUTUTXLINE, 1,
3835 [Define if you don't want to use pututxline()
3836 etc. to write [uw]tmpx])
3837 fi
3838 ]
3839)
3840AC_ARG_WITH(lastlog,
3841 [ --with-lastlog=FILE|DIR specify lastlog location [common locations]],
3842 [
3843 if test "x$withval" = "xno" ; then
3844 AC_DEFINE(DISABLE_LASTLOG)
3845 elif test -n "$withval" && test "x${withval}" != "xyes"; then
3846 conf_lastlog_location=$withval
3847 fi
3848 ]
3849)
3850
3851dnl lastlog, [uw]tmpx? detection
3852dnl NOTE: set the paths in the platform section to avoid the
3853dnl need for command-line parameters
3854dnl lastlog and [uw]tmp are subject to a file search if all else fails
3855
3856dnl lastlog detection
3857dnl NOTE: the code itself will detect if lastlog is a directory
3858AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
3859AC_TRY_COMPILE([
3860#include <sys/types.h>
3861#include <utmp.h>
3862#ifdef HAVE_LASTLOG_H
3863# include <lastlog.h>
3864#endif
3865#ifdef HAVE_PATHS_H
3866# include <paths.h>
3867#endif
3868#ifdef HAVE_LOGIN_H
3869# include <login.h>
3870#endif
3871 ],
3872 [ char *lastlog = LASTLOG_FILE; ],
3873 [ AC_MSG_RESULT(yes) ],
3874 [
3875 AC_MSG_RESULT(no)
3876 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
3877 AC_TRY_COMPILE([
3878#include <sys/types.h>
3879#include <utmp.h>
3880#ifdef HAVE_LASTLOG_H
3881# include <lastlog.h>
3882#endif
3883#ifdef HAVE_PATHS_H
3884# include <paths.h>
3885#endif
3886 ],
3887 [ char *lastlog = _PATH_LASTLOG; ],
3888 [ AC_MSG_RESULT(yes) ],
3889 [
3890 AC_MSG_RESULT(no)
3891 system_lastlog_path=no
3892 ])
3893 ]
3894)
3895
3896if test -z "$conf_lastlog_location"; then
3897 if test x"$system_lastlog_path" = x"no" ; then
3898 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
3899 if (test -d "$f" || test -f "$f") ; then
3900 conf_lastlog_location=$f
3901 fi
3902 done
3903 if test -z "$conf_lastlog_location"; then
3904 AC_MSG_WARN([** Cannot find lastlog **])
3905 dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
3906 fi
3907 fi
3908fi
3909
3910if test -n "$conf_lastlog_location"; then
3911 AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location",
3912 [Define if you want to specify the path to your lastlog file])
3913fi
3914
3915dnl utmp detection
3916AC_MSG_CHECKING([if your system defines UTMP_FILE])
3917AC_TRY_COMPILE([
3918#include <sys/types.h>
3919#include <utmp.h>
3920#ifdef HAVE_PATHS_H
3921# include <paths.h>
3922#endif
3923 ],
3924 [ char *utmp = UTMP_FILE; ],
3925 [ AC_MSG_RESULT(yes) ],
3926 [ AC_MSG_RESULT(no)
3927 system_utmp_path=no ]
3928)
3929if test -z "$conf_utmp_location"; then
3930 if test x"$system_utmp_path" = x"no" ; then
3931 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
3932 if test -f $f ; then
3933 conf_utmp_location=$f
3934 fi
3935 done
3936 if test -z "$conf_utmp_location"; then
3937 AC_DEFINE(DISABLE_UTMP)
3938 fi
3939 fi
3940fi
3941if test -n "$conf_utmp_location"; then
3942 AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location",
3943 [Define if you want to specify the path to your utmp file])
3944fi
3945
3946dnl wtmp detection
3947AC_MSG_CHECKING([if your system defines WTMP_FILE])
3948AC_TRY_COMPILE([
3949#include <sys/types.h>
3950#include <utmp.h>
3951#ifdef HAVE_PATHS_H
3952# include <paths.h>
3953#endif
3954 ],
3955 [ char *wtmp = WTMP_FILE; ],
3956 [ AC_MSG_RESULT(yes) ],
3957 [ AC_MSG_RESULT(no)
3958 system_wtmp_path=no ]
3959)
3960if test -z "$conf_wtmp_location"; then
3961 if test x"$system_wtmp_path" = x"no" ; then
3962 for f in /usr/adm/wtmp /var/log/wtmp; do
3963 if test -f $f ; then
3964 conf_wtmp_location=$f
3965 fi
3966 done
3967 if test -z "$conf_wtmp_location"; then
3968 AC_DEFINE(DISABLE_WTMP)
3969 fi
3970 fi
3971fi
3972if test -n "$conf_wtmp_location"; then
3973 AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location",
3974 [Define if you want to specify the path to your wtmp file])
3975fi
3976
3977
3978dnl utmpx detection - I don't know any system so perverse as to require
3979dnl utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
3980dnl there, though.
3981AC_MSG_CHECKING([if your system defines UTMPX_FILE])
3982AC_TRY_COMPILE([
3983#include <sys/types.h>
3984#include <utmp.h>
3985#ifdef HAVE_UTMPX_H
3986#include <utmpx.h>
3987#endif
3988#ifdef HAVE_PATHS_H
3989# include <paths.h>
3990#endif
3991 ],
3992 [ char *utmpx = UTMPX_FILE; ],
3993 [ AC_MSG_RESULT(yes) ],
3994 [ AC_MSG_RESULT(no)
3995 system_utmpx_path=no ]
3996)
3997if test -z "$conf_utmpx_location"; then
3998 if test x"$system_utmpx_path" = x"no" ; then
3999 AC_DEFINE(DISABLE_UTMPX)
4000 fi
4001else
4002 AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location",
4003 [Define if you want to specify the path to your utmpx file])
4004fi
4005
4006dnl wtmpx detection
4007AC_MSG_CHECKING([if your system defines WTMPX_FILE])
4008AC_TRY_COMPILE([
4009#include <sys/types.h>
4010#include <utmp.h>
4011#ifdef HAVE_UTMPX_H
4012#include <utmpx.h>
4013#endif
4014#ifdef HAVE_PATHS_H
4015# include <paths.h>
4016#endif
4017 ],
4018 [ char *wtmpx = WTMPX_FILE; ],
4019 [ AC_MSG_RESULT(yes) ],
4020 [ AC_MSG_RESULT(no)
4021 system_wtmpx_path=no ]
4022)
4023if test -z "$conf_wtmpx_location"; then
4024 if test x"$system_wtmpx_path" = x"no" ; then
4025 AC_DEFINE(DISABLE_WTMPX)
4026 fi
4027else
4028 AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location",
4029 [Define if you want to specify the path to your wtmpx file])
4030fi
4031
4032
4033if test ! -z "$blibpath" ; then
4034 LDFLAGS="$LDFLAGS $blibflags$blibpath"
4035 AC_MSG_WARN([Please check and edit blibpath in LDFLAGS in Makefile])
4036fi
4037
4038dnl Adding -Werror to CFLAGS early prevents configure tests from running.
4039dnl Add now.
4040CFLAGS="$CFLAGS $werror_flags"
4041
4042AC_EXEEXT
4043AC_CONFIG_FILES([Makefile buildpkg.sh opensshd.init openssh.xml \
4044 openbsd-compat/Makefile openbsd-compat/regress/Makefile \
4045 scard/Makefile ssh_prng_cmds survey.sh])
4046AC_OUTPUT
4047
4048# Print summary of options
4049
4050# Someone please show me a better way :)
4051A=`eval echo ${prefix}` ; A=`eval echo ${A}`
4052B=`eval echo ${bindir}` ; B=`eval echo ${B}`
4053C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
4054D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
4055E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
4056F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
4057G=`eval echo ${piddir}` ; G=`eval echo ${G}`
4058H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
4059I=`eval echo ${user_path}` ; I=`eval echo ${I}`
4060J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
4061
4062echo ""
4063echo "OpenSSH has been configured with the following options:"
4064echo " User binaries: $B"
4065echo " System binaries: $C"
4066echo " Configuration files: $D"
4067echo " Askpass program: $E"
4068echo " Manual pages: $F"
4069echo " PID file: $G"
4070echo " Privilege separation chroot path: $H"
4071if test "x$external_path_file" = "x/etc/login.conf" ; then
4072echo " At runtime, sshd will use the path defined in $external_path_file"
4073echo " Make sure the path to scp is present, otherwise scp will not work"
4074else
4075echo " sshd default user PATH: $I"
4076 if test ! -z "$external_path_file"; then
4077echo " (If PATH is set in $external_path_file it will be used instead. If"
4078echo " used, ensure the path to scp is present, otherwise scp will not work.)"
4079 fi
4080fi
4081if test ! -z "$superuser_path" ; then
4082echo " sshd superuser user PATH: $J"
4083fi
4084echo " Manpage format: $MANTYPE"
4085echo " PAM support: $PAM_MSG"
4086echo " OSF SIA support: $SIA_MSG"
4087echo " KerberosV support: $KRB5_MSG"
4088echo " SELinux support: $SELINUX_MSG"
4089echo " Smartcard support: $SCARD_MSG"
4090echo " S/KEY support: $SKEY_MSG"
4091echo " TCP Wrappers support: $TCPW_MSG"
4092echo " MD5 password support: $MD5_MSG"
4093echo " libedit support: $LIBEDIT_MSG"
4094echo " Solaris process contract support: $SPC_MSG"
4095echo " IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
4096echo " Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
4097echo " BSD Auth support: $BSD_AUTH_MSG"
4098echo " Random number source: $RAND_MSG"
4099if test ! -z "$USE_RAND_HELPER" ; then
4100echo " ssh-rand-helper collects from: $RAND_HELPER_MSG"
4101fi
4102
4103echo ""
4104
4105echo " Host: ${host}"
4106echo " Compiler: ${CC}"
4107echo " Compiler flags: ${CFLAGS}"
4108echo "Preprocessor flags: ${CPPFLAGS}"
4109echo " Linker flags: ${LDFLAGS}"
4110echo " Libraries: ${LIBS}"
4111if test ! -z "${SSHDLIBS}"; then
4112echo " +for sshd: ${SSHDLIBS}"
4113fi
4114
4115echo ""
4116
4117if test "x$MAKE_PACKAGE_SUPPORTED" = "xyes" ; then
4118 echo "SVR4 style packages are supported with \"make package\""
4119 echo ""
4120fi
4121
4122if test "x$PAM_MSG" = "xyes" ; then
4123 echo "PAM is enabled. You may need to install a PAM control file "
4124 echo "for sshd, otherwise password authentication may fail. "
4125 echo "Example PAM control files can be found in the contrib/ "
4126 echo "subdirectory"
4127 echo ""
4128fi
4129
4130if test ! -z "$RAND_HELPER_CMDHASH" ; then
4131 echo "WARNING: you are using the builtin random number collection "
4132 echo "service. Please read WARNING.RNG and request that your OS "
4133 echo "vendor includes kernel-based random number collection in "
4134 echo "future versions of your OS."
4135 echo ""
4136fi
4137
4138if test ! -z "$NO_PEERCHECK" ; then
4139 echo "WARNING: the operating system that you are using does not"
4140 echo "appear to support getpeereid(), getpeerucred() or the"
4141 echo "SO_PEERCRED getsockopt() option. These facilities are used to"
4142 echo "enforce security checks to prevent unauthorised connections to"
4143 echo "ssh-agent. Their absence increases the risk that a malicious"
4144 echo "user can connect to your agent."
4145 echo ""
4146fi
4147
4148if test "$AUDIT_MODULE" = "bsm" ; then
4149 echo "WARNING: BSM audit support is currently considered EXPERIMENTAL."
4150 echo "See the Solaris section in README.platform for details."
4151fi
2#
3# Copyright (c) 1999-2004 Damien Miller
4#
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.
8#
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.
16
17AC_INIT(OpenSSH, Portable, openssh-unix-dev@mindrot.org)
18AC_REVISION($Revision: 1.397 $)
19AC_CONFIG_SRCDIR([ssh.c])
20
21AC_CONFIG_HEADER(config.h)
22AC_PROG_CC
23AC_CANONICAL_HOST
24AC_C_BIGENDIAN
25
26# Checks for programs.
27AC_PROG_AWK
28AC_PROG_CPP
29AC_PROG_RANLIB
30AC_PROG_INSTALL
31AC_PROG_EGREP
32AC_PATH_PROG(AR, ar)
33AC_PATH_PROG(CAT, cat)
34AC_PATH_PROG(KILL, kill)
35AC_PATH_PROGS(PERL, perl5 perl)
36AC_PATH_PROG(SED, sed)
37AC_SUBST(PERL)
38AC_PATH_PROG(ENT, ent)
39AC_SUBST(ENT)
40AC_PATH_PROG(TEST_MINUS_S_SH, bash)
41AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
42AC_PATH_PROG(TEST_MINUS_S_SH, sh)
43AC_PATH_PROG(SH, sh)
44AC_SUBST(TEST_SHELL,sh)
45
46dnl for buildpkg.sh
47AC_PATH_PROG(PATH_GROUPADD_PROG, groupadd, groupadd,
48 [/usr/sbin${PATH_SEPARATOR}/etc])
49AC_PATH_PROG(PATH_USERADD_PROG, useradd, useradd,
50 [/usr/sbin${PATH_SEPARATOR}/etc])
51AC_CHECK_PROG(MAKE_PACKAGE_SUPPORTED, pkgmk, yes, no)
52if test -x /sbin/sh; then
53 AC_SUBST(STARTUP_SCRIPT_SHELL,/sbin/sh)
54else
55 AC_SUBST(STARTUP_SCRIPT_SHELL,/bin/sh)
56fi
57
58# System features
59AC_SYS_LARGEFILE
60
61if test -z "$AR" ; then
62 AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
63fi
64
65# Use LOGIN_PROGRAM from environment if possible
66if 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])
70else
71 # Search for login
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")
75 fi
76fi
77
78AC_PATH_PROG(PATH_PASSWD_PROG, passwd)
79if test ! -z "$PATH_PASSWD_PROG" ; then
80 AC_DEFINE_UNQUOTED(_PATH_PASSWD_PROG, "$PATH_PASSWD_PROG",
81 [Full path of your "passwd" program])
82fi
83
84if test -z "$LD" ; then
85 LD=$CC
86fi
87AC_SUBST(LD)
88
89AC_C_INLINE
90
91AC_CHECK_DECL(LLONG_MAX, have_llong_max=1, , [#include <limits.h>])
92
93use_stack_protector=1
94AC_ARG_WITH(stackprotect,
95 [ --without-stackprotect Don't use compiler's stack protection], [
96 if test "x$withval" = "xno"; then
97 use_stack_protector=0
98 fi ])
99
100if 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}'`
103 case $GCC_VER in
104 1.*) no_attrib_nonnull=1 ;;
105 2.8* | 2.9*)
106 CFLAGS="$CFLAGS -Wsign-compare"
107 no_attrib_nonnull=1
108 ;;
109 2.*) no_attrib_nonnull=1 ;;
110 3.*) CFLAGS="$CFLAGS -Wsign-compare" ;;
111 4.*) CFLAGS="$CFLAGS -Wsign-compare -Wno-pointer-sign" ;;
112 *) ;;
113 esac
114
115 # -fstack-protector-all doesn't always work for some GCC versions
116 # and/or platforms, so we test if we can. If it's not supported
117 # on a give platform gcc will emit a warning so we use -Werror.
118 if test "x$use_stack_protector" = "x1"; then
119 for t in -fstack-protector-all -fstack-protector; do
120 AC_MSG_CHECKING(if $CC supports $t)
121 saved_CFLAGS="$CFLAGS"
122 saved_LDFLAGS="$LDFLAGS"
123 CFLAGS="$CFLAGS $t -Werror"
124 LDFLAGS="$LDFLAGS $t -Werror"
125 AC_LINK_IFELSE(
126 [AC_LANG_SOURCE([
127#include <stdlib.h>
128int main(void){return 0;}
129 ])],
130 [ AC_MSG_RESULT(yes)
131 CFLAGS="$saved_CFLAGS $t"
132 LDFLAGS="$saved_LDFLAGS $t"
133 AC_MSG_CHECKING(if $t works)
134 AC_RUN_IFELSE(
135 [AC_LANG_SOURCE([
136#include <stdlib.h>
137int main(void){exit(0);}
138 ])],
139 [ AC_MSG_RESULT(yes)
140 break ],
141 [ AC_MSG_RESULT(no) ],
142 [ AC_MSG_WARN([cross compiling: cannot test])
143 break ]
144 )
145 ],
146 [ AC_MSG_RESULT(no) ]
147 )
148 CFLAGS="$saved_CFLAGS"
149 LDFLAGS="$saved_LDFLAGS"
150 done
151 fi
152
153 if test -z "$have_llong_max"; then
154 # retry LLONG_MAX with -std=gnu99, needed on some Linuxes
155 unset ac_cv_have_decl_LLONG_MAX
156 saved_CFLAGS="$CFLAGS"
157 CFLAGS="$CFLAGS -std=gnu99"
158 AC_CHECK_DECL(LLONG_MAX,
159 [have_llong_max=1],
160 [CFLAGS="$saved_CFLAGS"],
161 [#include <limits.h>]
162 )
163 fi
164fi
165
166if test "x$no_attrib_nonnull" != "x1" ; then
167 AC_DEFINE(HAVE_ATTRIBUTE__NONNULL__, 1, [Have attribute nonnull])
168fi
169
170AC_ARG_WITH(rpath,
171 [ --without-rpath Disable auto-added -R linker paths],
172 [
173 if test "x$withval" = "xno" ; then
174 need_dash_r=""
175 fi
176 if test "x$withval" = "xyes" ; then
177 need_dash_r=1
178 fi
179 ]
180)
181
182# Allow user to specify flags
183AC_ARG_WITH(cflags,
184 [ --with-cflags Specify additional flags to pass to compiler],
185 [
186 if test -n "$withval" && test "x$withval" != "xno" && \
187 test "x${withval}" != "xyes"; then
188 CFLAGS="$CFLAGS $withval"
189 fi
190 ]
191)
192AC_ARG_WITH(cppflags,
193 [ --with-cppflags Specify additional flags to pass to preprocessor] ,
194 [
195 if test -n "$withval" && test "x$withval" != "xno" && \
196 test "x${withval}" != "xyes"; then
197 CPPFLAGS="$CPPFLAGS $withval"
198 fi
199 ]
200)
201AC_ARG_WITH(ldflags,
202 [ --with-ldflags Specify additional flags to pass to linker],
203 [
204 if test -n "$withval" && test "x$withval" != "xno" && \
205 test "x${withval}" != "xyes"; then
206 LDFLAGS="$LDFLAGS $withval"
207 fi
208 ]
209)
210AC_ARG_WITH(libs,
211 [ --with-libs Specify additional libraries to link with],
212 [
213 if test -n "$withval" && test "x$withval" != "xno" && \
214 test "x${withval}" != "xyes"; then
215 LIBS="$LIBS $withval"
216 fi
217 ]
218)
219AC_ARG_WITH(Werror,
220 [ --with-Werror Build main code with -Werror],
221 [
222 if test -n "$withval" && test "x$withval" != "xno"; then
223 werror_flags="-Werror"
224 if test "x${withval}" != "xyes"; then
225 werror_flags="$withval"
226 fi
227 fi
228 ]
229)
230
231AC_CHECK_HEADERS( \
232 bstring.h \
233 crypt.h \
234 crypto/sha2.h \
235 dirent.h \
236 endian.h \
237 features.h \
238 fcntl.h \
239 floatingpoint.h \
240 getopt.h \
241 glob.h \
242 ia.h \
243 iaf.h \
244 limits.h \
245 login.h \
246 maillock.h \
247 ndir.h \
248 net/if_tun.h \
249 netdb.h \
250 netgroup.h \
251 pam/pam_appl.h \
252 paths.h \
253 poll.h \
254 pty.h \
255 readpassphrase.h \
256 rpc/types.h \
257 security/pam_appl.h \
258 sha2.h \
259 shadow.h \
260 stddef.h \
261 stdint.h \
262 string.h \
263 strings.h \
264 sys/audit.h \
265 sys/bitypes.h \
266 sys/bsdtty.h \
267 sys/cdefs.h \
268 sys/dir.h \
269 sys/mman.h \
270 sys/ndir.h \
271 sys/poll.h \
272 sys/prctl.h \
273 sys/pstat.h \
274 sys/select.h \
275 sys/stat.h \
276 sys/stream.h \
277 sys/stropts.h \
278 sys/strtio.h \
279 sys/sysmacros.h \
280 sys/time.h \
281 sys/timers.h \
282 sys/un.h \
283 time.h \
284 tmpdir.h \
285 ttyent.h \
286 ucred.h \
287 unistd.h \
288 usersec.h \
289 util.h \
290 utime.h \
291 utmp.h \
292 utmpx.h \
293 vis.h \
294)
295
296# lastlog.h requires sys/time.h to be included first on Solaris
297AC_CHECK_HEADERS(lastlog.h, [], [], [
298#ifdef HAVE_SYS_TIME_H
299# include <sys/time.h>
300#endif
301])
302
303# sys/ptms.h requires sys/stream.h to be included first on Solaris
304AC_CHECK_HEADERS(sys/ptms.h, [], [], [
305#ifdef HAVE_SYS_STREAM_H
306# include <sys/stream.h>
307#endif
308])
309
310# login_cap.h requires sys/types.h on NetBSD
311AC_CHECK_HEADERS(login_cap.h, [], [], [
312#include <sys/types.h>
313])
314
315# Messages for features tested for in target-specific section
316SIA_MSG="no"
317SPC_MSG="no"
318
319# Check for some target-specific stuff
320case "$host" in
321*-*-aix*)
322 # Some versions of VAC won't allow macro redefinitions at
323 # -qlanglevel=ansi, and autoconf 2.60 sometimes insists on using that
324 # particularly with older versions of vac or xlc.
325 # It also throws errors about null macro argments, but these are
326 # not fatal.
327 AC_MSG_CHECKING(if compiler allows macro redefinitions)
328 AC_COMPILE_IFELSE(
329 [AC_LANG_SOURCE([[
330#define testmacro foo
331#define testmacro bar
332int main(void) { exit(0); }
333 ]])],
334 [ AC_MSG_RESULT(yes) ],
335 [ AC_MSG_RESULT(no)
336 CC="`echo $CC | sed 's/-qlanglvl\=ansi//g'`"
337 LD="`echo $LD | sed 's/-qlanglvl\=ansi//g'`"
338 CFLAGS="`echo $CFLAGS | sed 's/-qlanglvl\=ansi//g'`"
339 CPPFLAGS="`echo $CPPFLAGS | sed 's/-qlanglvl\=ansi//g'`"
340 ]
341 )
342
343 AC_MSG_CHECKING([how to specify blibpath for linker ($LD)])
344 if (test -z "$blibpath"); then
345 blibpath="/usr/lib:/lib"
346 fi
347 saved_LDFLAGS="$LDFLAGS"
348 if test "$GCC" = "yes"; then
349 flags="-Wl,-blibpath: -Wl,-rpath, -blibpath:"
350 else
351 flags="-blibpath: -Wl,-blibpath: -Wl,-rpath,"
352 fi
353 for tryflags in $flags ;do
354 if (test -z "$blibflags"); then
355 LDFLAGS="$saved_LDFLAGS $tryflags$blibpath"
356 AC_TRY_LINK([], [], [blibflags=$tryflags])
357 fi
358 done
359 if (test -z "$blibflags"); then
360 AC_MSG_RESULT(not found)
361 AC_MSG_ERROR([*** must be able to specify blibpath on AIX - check config.log])
362 else
363 AC_MSG_RESULT($blibflags)
364 fi
365 LDFLAGS="$saved_LDFLAGS"
366 dnl Check for authenticate. Might be in libs.a on older AIXes
367 AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE, 1,
368 [Define if you want to enable AIX4's authenticate function])],
369 [AC_CHECK_LIB(s,authenticate,
370 [ AC_DEFINE(WITH_AIXAUTHENTICATE)
371 LIBS="$LIBS -ls"
372 ])
373 ])
374 dnl Check for various auth function declarations in headers.
375 AC_CHECK_DECLS([authenticate, loginrestrictions, loginsuccess,
376 passwdexpired, setauthdb], , , [#include <usersec.h>])
377 dnl Check if loginfailed is declared and takes 4 arguments (AIX >= 5.2)
378 AC_CHECK_DECLS(loginfailed,
379 [AC_MSG_CHECKING(if loginfailed takes 4 arguments)
380 AC_TRY_COMPILE(
381 [#include <usersec.h>],
382 [(void)loginfailed("user","host","tty",0);],
383 [AC_MSG_RESULT(yes)
384 AC_DEFINE(AIX_LOGINFAILED_4ARG, 1,
385 [Define if your AIX loginfailed() function
386 takes 4 arguments (AIX >= 5.2)])],
387 [AC_MSG_RESULT(no)]
388 )],
389 [],
390 [#include <usersec.h>]
391 )
392 AC_CHECK_FUNCS(getgrset setauthdb)
393 AC_CHECK_DECL(F_CLOSEM,
394 AC_DEFINE(HAVE_FCNTL_CLOSEM, 1, [Use F_CLOSEM fcntl for closefrom]),
395 [],
396 [ #include <limits.h>
397 #include <fcntl.h> ]
398 )
399 check_for_aix_broken_getaddrinfo=1
400 AC_DEFINE(BROKEN_REALPATH, 1, [Define if you have a broken realpath.])
401 AC_DEFINE(SETEUID_BREAKS_SETUID, 1,
402 [Define if your platform breaks doing a seteuid before a setuid])
403 AC_DEFINE(BROKEN_SETREUID, 1, [Define if your setreuid() is broken])
404 AC_DEFINE(BROKEN_SETREGID, 1, [Define if your setregid() is broken])
405 dnl AIX handles lastlog as part of its login message
406 AC_DEFINE(DISABLE_LASTLOG, 1, [Define if you don't want to use lastlog])
407 AC_DEFINE(LOGIN_NEEDS_UTMPX, 1,
408 [Some systems need a utmpx entry for /bin/login to work])
409 AC_DEFINE(SPT_TYPE,SPT_REUSEARGV,
410 [Define to a Set Process Title type if your system is
411 supported by bsd-setproctitle.c])
412 AC_DEFINE(SSHPAM_CHAUTHTOK_NEEDS_RUID, 1,
413 [AIX 5.2 and 5.3 (and presumably newer) require this])
414 AC_DEFINE(PTY_ZEROREAD, 1, [read(1) can return 0 for a non-closed fd])
415 ;;
416*-*-cygwin*)
417 check_for_libcrypt_later=1
418 LIBS="$LIBS /usr/lib/textreadmode.o"
419 AC_DEFINE(HAVE_CYGWIN, 1, [Define if you are on Cygwin])
420 AC_DEFINE(USE_PIPES, 1, [Use PIPES instead of a socketpair()])
421 AC_DEFINE(DISABLE_SHADOW, 1,
422 [Define if you want to disable shadow passwords])
423 AC_DEFINE(IP_TOS_IS_BROKEN, 1,
424 [Define if your system choked on IP TOS setting])
425 AC_DEFINE(NO_X11_UNIX_SOCKETS, 1,
426 [Define if X11 doesn't support AF_UNIX sockets on that system])
427 AC_DEFINE(NO_IPPORT_RESERVED_CONCEPT, 1,
428 [Define if the concept of ports only accessible to
429 superusers isn't known])
430 AC_DEFINE(DISABLE_FD_PASSING, 1,
431 [Define if your platform needs to skip post auth
432 file descriptor passing])
433 ;;
434*-*-dgux*)
435 AC_DEFINE(IP_TOS_IS_BROKEN)
436 AC_DEFINE(SETEUID_BREAKS_SETUID)
437 AC_DEFINE(BROKEN_SETREUID)
438 AC_DEFINE(BROKEN_SETREGID)
439 ;;
440*-*-darwin*)
441 AC_MSG_CHECKING(if we have working getaddrinfo)
442 AC_TRY_RUN([#include <mach-o/dyld.h>
443main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
444 exit(0);
445 else
446 exit(1);
447}], [AC_MSG_RESULT(working)],
448 [AC_MSG_RESULT(buggy)
449 AC_DEFINE(BROKEN_GETADDRINFO, 1, [getaddrinfo is broken (if present)])],
450 [AC_MSG_RESULT(assume it is working)])
451 AC_DEFINE(SETEUID_BREAKS_SETUID)
452 AC_DEFINE(BROKEN_SETREUID)
453 AC_DEFINE(BROKEN_SETREGID)
454 AC_DEFINE(BROKEN_GLOB, 1, [OS X glob does not do what we expect])
455 AC_DEFINE_UNQUOTED(BIND_8_COMPAT, 1,
456 [Define if your resolver libs need this for getrrsetbyname])
457 AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
458 AC_DEFINE(SSH_TUN_COMPAT_AF, 1,
459 [Use tunnel device compatibility to OpenBSD])
460 AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
461 [Prepend the address family to IP tunnel traffic])
462 m4_pattern_allow(AU_IPv)
463 AC_CHECK_DECL(AU_IPv4, [],
464 AC_DEFINE(AU_IPv4, 0, [System only supports IPv4 audit records])
465 [#include <bsm/audit.h>]
466 )
467 ;;
468*-*-dragonfly*)
469 SSHDLIBS="$SSHDLIBS -lcrypt"
470 ;;
471*-*-hpux*)
472 # first we define all of the options common to all HP-UX releases
473 CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
474 IPADDR_IN_DISPLAY=yes
475 AC_DEFINE(USE_PIPES)
476 AC_DEFINE(LOGIN_NO_ENDOPT, 1,
477 [Define if your login program cannot handle end of options ("--")])
478 AC_DEFINE(LOGIN_NEEDS_UTMPX)
479 AC_DEFINE(LOCKED_PASSWD_STRING, "*",
480 [String used in /etc/passwd to denote locked account])
481 AC_DEFINE(SPT_TYPE,SPT_PSTAT)
482 MAIL="/var/mail/username"
483 LIBS="$LIBS -lsec"
484 AC_CHECK_LIB(xnet, t_error, ,
485 AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
486
487 # next, we define all of the options specific to major releases
488 case "$host" in
489 *-*-hpux10*)
490 if test -z "$GCC"; then
491 CFLAGS="$CFLAGS -Ae"
492 fi
493 ;;
494 *-*-hpux11*)
495 AC_DEFINE(PAM_SUN_CODEBASE, 1,
496 [Define if you are using Solaris-derived PAM which
497 passes pam_messages to the conversation function
498 with an extra level of indirection])
499 AC_DEFINE(DISABLE_UTMP, 1,
500 [Define if you don't want to use utmp])
501 AC_DEFINE(USE_BTMP, 1, [Use btmp to log bad logins])
502 check_for_hpux_broken_getaddrinfo=1
503 check_for_conflicting_getspnam=1
504 ;;
505 esac
506
507 # lastly, we define options specific to minor releases
508 case "$host" in
509 *-*-hpux10.26)
510 AC_DEFINE(HAVE_SECUREWARE, 1,
511 [Define if you have SecureWare-based
512 protected password database])
513 disable_ptmx_check=yes
514 LIBS="$LIBS -lsecpw"
515 ;;
516 esac
517 ;;
518*-*-irix5*)
519 PATH="$PATH:/usr/etc"
520 AC_DEFINE(BROKEN_INET_NTOA, 1,
521 [Define if you system's inet_ntoa is busted
522 (e.g. Irix gcc issue)])
523 AC_DEFINE(SETEUID_BREAKS_SETUID)
524 AC_DEFINE(BROKEN_SETREUID)
525 AC_DEFINE(BROKEN_SETREGID)
526 AC_DEFINE(WITH_ABBREV_NO_TTY, 1,
527 [Define if you shouldn't strip 'tty' from your
528 ttyname in [uw]tmp])
529 AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
530 ;;
531*-*-irix6*)
532 PATH="$PATH:/usr/etc"
533 AC_DEFINE(WITH_IRIX_ARRAY, 1,
534 [Define if you have/want arrays
535 (cluster-wide session managment, not C arrays)])
536 AC_DEFINE(WITH_IRIX_PROJECT, 1,
537 [Define if you want IRIX project management])
538 AC_DEFINE(WITH_IRIX_AUDIT, 1,
539 [Define if you want IRIX audit trails])
540 AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS, 1,
541 [Define if you want IRIX kernel jobs])])
542 AC_DEFINE(BROKEN_INET_NTOA)
543 AC_DEFINE(SETEUID_BREAKS_SETUID)
544 AC_DEFINE(BROKEN_SETREUID)
545 AC_DEFINE(BROKEN_SETREGID)
546 AC_DEFINE(BROKEN_UPDWTMPX, 1, [updwtmpx is broken (if present)])
547 AC_DEFINE(WITH_ABBREV_NO_TTY)
548 AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
549 ;;
550*-*-linux*)
551 no_dev_ptmx=1
552 check_for_libcrypt_later=1
553 check_for_openpty_ctty_bug=1
554 AC_DEFINE(DONT_TRY_OTHER_AF, 1, [Workaround more Linux IPv6 quirks])
555 AC_DEFINE(PAM_TTY_KLUDGE, 1,
556 [Work around problematic Linux PAM modules handling of PAM_TTY])
557 AC_DEFINE(LOCKED_PASSWD_PREFIX, "!",
558 [String used in /etc/passwd to denote locked account])
559 AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)
560 AC_DEFINE(LINK_OPNOTSUPP_ERRNO, EPERM,
561 [Define to whatever link() returns for "not supported"
562 if it doesn't return EOPNOTSUPP.])
563 AC_DEFINE(_PATH_BTMP, "/var/log/btmp", [log for bad login attempts])
564 AC_DEFINE(USE_BTMP)
565 inet6_default_4in6=yes
566 case `uname -r` in
567 1.*|2.0.*)
568 AC_DEFINE(BROKEN_CMSG_TYPE, 1,
569 [Define if cmsg_type is not passed correctly])
570 ;;
571 esac
572 # tun(4) forwarding compat code
573 AC_CHECK_HEADERS(linux/if_tun.h)
574 if test "x$ac_cv_header_linux_if_tun_h" = "xyes" ; then
575 AC_DEFINE(SSH_TUN_LINUX, 1,
576 [Open tunnel devices the Linux tun/tap way])
577 AC_DEFINE(SSH_TUN_COMPAT_AF, 1,
578 [Use tunnel device compatibility to OpenBSD])
579 AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
580 [Prepend the address family to IP tunnel traffic])
581 fi
582 ;;
583mips-sony-bsd|mips-sony-newsos4)
584 AC_DEFINE(NEED_SETPGRP, 1, [Need setpgrp to acquire controlling tty])
585 SONY=1
586 ;;
587*-*-netbsd*)
588 check_for_libcrypt_before=1
589 if test "x$withval" != "xno" ; then
590 need_dash_r=1
591 fi
592 AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
593 AC_CHECK_HEADER([net/if_tap.h], ,
594 AC_DEFINE(SSH_TUN_NO_L2, 1, [No layer 2 tunnel support]))
595 AC_DEFINE(SSH_TUN_PREPEND_AF, 1,
596 [Prepend the address family to IP tunnel traffic])
597 ;;
598*-*-freebsd*)
599 check_for_libcrypt_later=1
600 AC_DEFINE(LOCKED_PASSWD_PREFIX, "*LOCKED*", [Account locked with pw(1)])
601 AC_DEFINE(SSH_TUN_FREEBSD, 1, [Open tunnel devices the FreeBSD way])
602 AC_CHECK_HEADER([net/if_tap.h], ,
603 AC_DEFINE(SSH_TUN_NO_L2, 1, [No layer 2 tunnel support]))
604 AC_DEFINE(BROKEN_GLOB, 1, [FreeBSD glob does not do what we need])
605 ;;
606*-*-bsdi*)
607 AC_DEFINE(SETEUID_BREAKS_SETUID)
608 AC_DEFINE(BROKEN_SETREUID)
609 AC_DEFINE(BROKEN_SETREGID)
610 ;;
611*-next-*)
612 conf_lastlog_location="/usr/adm/lastlog"
613 conf_utmp_location=/etc/utmp
614 conf_wtmp_location=/usr/adm/wtmp
615 MAIL=/usr/spool/mail
616 AC_DEFINE(HAVE_NEXT, 1, [Define if you are on NeXT])
617 AC_DEFINE(BROKEN_REALPATH)
618 AC_DEFINE(USE_PIPES)
619 AC_DEFINE(BROKEN_SAVED_UIDS, 1, [Needed for NeXT])
620 ;;
621*-*-openbsd*)
622 AC_DEFINE(HAVE_ATTRIBUTE__SENTINEL__, 1, [OpenBSD's gcc has sentinel])
623 AC_DEFINE(HAVE_ATTRIBUTE__BOUNDED__, 1, [OpenBSD's gcc has bounded])
624 AC_DEFINE(SSH_TUN_OPENBSD, 1, [Open tunnel devices the OpenBSD way])
625 AC_DEFINE(SYSLOG_R_SAFE_IN_SIGHAND, 1,
626 [syslog_r function is safe to use in in a signal handler])
627 ;;
628*-*-solaris*)
629 if test "x$withval" != "xno" ; then
630 need_dash_r=1
631 fi
632 AC_DEFINE(PAM_SUN_CODEBASE)
633 AC_DEFINE(LOGIN_NEEDS_UTMPX)
634 AC_DEFINE(LOGIN_NEEDS_TERM, 1,
635 [Some versions of /bin/login need the TERM supplied
636 on the commandline])
637 AC_DEFINE(PAM_TTY_KLUDGE)
638 AC_DEFINE(SSHPAM_CHAUTHTOK_NEEDS_RUID, 1,
639 [Define if pam_chauthtok wants real uid set
640 to the unpriv'ed user])
641 AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
642 # Pushing STREAMS modules will cause sshd to acquire a controlling tty.
643 AC_DEFINE(SSHD_ACQUIRES_CTTY, 1,
644 [Define if sshd somehow reacquires a controlling TTY
645 after setsid()])
646 AC_DEFINE(PASSWD_NEEDS_USERNAME, 1, [must supply username to passwd
647 in case the name is longer than 8 chars])
648 external_path_file=/etc/default/login
649 # hardwire lastlog location (can't detect it on some versions)
650 conf_lastlog_location="/var/adm/lastlog"
651 AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
652 sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
653 if test "$sol2ver" -ge 8; then
654 AC_MSG_RESULT(yes)
655 AC_DEFINE(DISABLE_UTMP)
656 AC_DEFINE(DISABLE_WTMP, 1,
657 [Define if you don't want to use wtmp])
658 else
659 AC_MSG_RESULT(no)
660 fi
661 AC_ARG_WITH(solaris-contracts,
662 [ --with-solaris-contracts Enable Solaris process contracts (experimental)],
663 [
664 AC_CHECK_LIB(contract, ct_tmpl_activate,
665 [ AC_DEFINE(USE_SOLARIS_PROCESS_CONTRACTS, 1,
666 [Define if you have Solaris process contracts])
667 SSHDLIBS="$SSHDLIBS -lcontract"
668 AC_SUBST(SSHDLIBS)
669 SPC_MSG="yes" ], )
670 ],
671 )
672 ;;
673*-*-sunos4*)
674 CPPFLAGS="$CPPFLAGS -DSUNOS4"
675 AC_CHECK_FUNCS(getpwanam)
676 AC_DEFINE(PAM_SUN_CODEBASE)
677 conf_utmp_location=/etc/utmp
678 conf_wtmp_location=/var/adm/wtmp
679 conf_lastlog_location=/var/adm/lastlog
680 AC_DEFINE(USE_PIPES)
681 ;;
682*-ncr-sysv*)
683 LIBS="$LIBS -lc89"
684 AC_DEFINE(USE_PIPES)
685 AC_DEFINE(SSHD_ACQUIRES_CTTY)
686 AC_DEFINE(SETEUID_BREAKS_SETUID)
687 AC_DEFINE(BROKEN_SETREUID)
688 AC_DEFINE(BROKEN_SETREGID)
689 ;;
690*-sni-sysv*)
691 # /usr/ucblib MUST NOT be searched on ReliantUNIX
692 AC_CHECK_LIB(dl, dlsym, ,)
693 # -lresolv needs to be at the end of LIBS or DNS lookups break
694 AC_CHECK_LIB(resolv, res_query, [ LIBS="$LIBS -lresolv" ])
695 IPADDR_IN_DISPLAY=yes
696 AC_DEFINE(USE_PIPES)
697 AC_DEFINE(IP_TOS_IS_BROKEN)
698 AC_DEFINE(SETEUID_BREAKS_SETUID)
699 AC_DEFINE(BROKEN_SETREUID)
700 AC_DEFINE(BROKEN_SETREGID)
701 AC_DEFINE(SSHD_ACQUIRES_CTTY)
702 external_path_file=/etc/default/login
703 # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
704 # Attention: always take care to bind libsocket and libnsl before libc,
705 # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
706 ;;
707# UnixWare 1.x, UnixWare 2.x, and others based on code from Univel.
708*-*-sysv4.2*)
709 AC_DEFINE(USE_PIPES)
710 AC_DEFINE(SETEUID_BREAKS_SETUID)
711 AC_DEFINE(BROKEN_SETREUID)
712 AC_DEFINE(BROKEN_SETREGID)
713 AC_DEFINE(PASSWD_NEEDS_USERNAME, 1, [must supply username to passwd])
714 AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
715 ;;
716# UnixWare 7.x, OpenUNIX 8
717*-*-sysv5*)
718 check_for_libcrypt_later=1
719 AC_DEFINE(UNIXWARE_LONG_PASSWORDS, 1, [Support passwords > 8 chars])
720 AC_DEFINE(USE_PIPES)
721 AC_DEFINE(SETEUID_BREAKS_SETUID)
722 AC_DEFINE(BROKEN_SETREUID)
723 AC_DEFINE(BROKEN_SETREGID)
724 AC_DEFINE(PASSWD_NEEDS_USERNAME)
725 case "$host" in
726 *-*-sysv5SCO_SV*) # SCO OpenServer 6.x
727 TEST_SHELL=/u95/bin/sh
728 AC_DEFINE(BROKEN_LIBIAF, 1,
729 [ia_uinfo routines not supported by OS yet])
730 AC_DEFINE(BROKEN_UPDWTMPX)
731 ;;
732 *) AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
733 ;;
734 esac
735 ;;
736*-*-sysv*)
737 ;;
738# SCO UNIX and OEM versions of SCO UNIX
739*-*-sco3.2v4*)
740 AC_MSG_ERROR("This Platform is no longer supported.")
741 ;;
742# SCO OpenServer 5.x
743*-*-sco3.2v5*)
744 if test -z "$GCC"; then
745 CFLAGS="$CFLAGS -belf"
746 fi
747 LIBS="$LIBS -lprot -lx -ltinfo -lm"
748 no_dev_ptmx=1
749 AC_DEFINE(USE_PIPES)
750 AC_DEFINE(HAVE_SECUREWARE)
751 AC_DEFINE(DISABLE_SHADOW)
752 AC_DEFINE(DISABLE_FD_PASSING)
753 AC_DEFINE(SETEUID_BREAKS_SETUID)
754 AC_DEFINE(BROKEN_SETREUID)
755 AC_DEFINE(BROKEN_SETREGID)
756 AC_DEFINE(WITH_ABBREV_NO_TTY)
757 AC_DEFINE(BROKEN_UPDWTMPX)
758 AC_DEFINE(PASSWD_NEEDS_USERNAME)
759 AC_CHECK_FUNCS(getluid setluid)
760 MANTYPE=man
761 TEST_SHELL=ksh
762 ;;
763*-*-unicosmk*)
764 AC_DEFINE(NO_SSH_LASTLOG, 1,
765 [Define if you don't want to use lastlog in session.c])
766 AC_DEFINE(SETEUID_BREAKS_SETUID)
767 AC_DEFINE(BROKEN_SETREUID)
768 AC_DEFINE(BROKEN_SETREGID)
769 AC_DEFINE(USE_PIPES)
770 AC_DEFINE(DISABLE_FD_PASSING)
771 LDFLAGS="$LDFLAGS"
772 LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
773 MANTYPE=cat
774 ;;
775*-*-unicosmp*)
776 AC_DEFINE(SETEUID_BREAKS_SETUID)
777 AC_DEFINE(BROKEN_SETREUID)
778 AC_DEFINE(BROKEN_SETREGID)
779 AC_DEFINE(WITH_ABBREV_NO_TTY)
780 AC_DEFINE(USE_PIPES)
781 AC_DEFINE(DISABLE_FD_PASSING)
782 LDFLAGS="$LDFLAGS"
783 LIBS="$LIBS -lgen -lacid -ldb"
784 MANTYPE=cat
785 ;;
786*-*-unicos*)
787 AC_DEFINE(SETEUID_BREAKS_SETUID)
788 AC_DEFINE(BROKEN_SETREUID)
789 AC_DEFINE(BROKEN_SETREGID)
790 AC_DEFINE(USE_PIPES)
791 AC_DEFINE(DISABLE_FD_PASSING)
792 AC_DEFINE(NO_SSH_LASTLOG)
793 LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal"
794 LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
795 MANTYPE=cat
796 ;;
797*-dec-osf*)
798 AC_MSG_CHECKING(for Digital Unix SIA)
799 no_osfsia=""
800 AC_ARG_WITH(osfsia,
801 [ --with-osfsia Enable Digital Unix SIA],
802 [
803 if test "x$withval" = "xno" ; then
804 AC_MSG_RESULT(disabled)
805 no_osfsia=1
806 fi
807 ],
808 )
809 if test -z "$no_osfsia" ; then
810 if test -f /etc/sia/matrix.conf; then
811 AC_MSG_RESULT(yes)
812 AC_DEFINE(HAVE_OSF_SIA, 1,
813 [Define if you have Digital Unix Security
814 Integration Architecture])
815 AC_DEFINE(DISABLE_LOGIN, 1,
816 [Define if you don't want to use your
817 system's login() call])
818 AC_DEFINE(DISABLE_FD_PASSING)
819 LIBS="$LIBS -lsecurity -ldb -lm -laud"
820 SIA_MSG="yes"
821 else
822 AC_MSG_RESULT(no)
823 AC_DEFINE(LOCKED_PASSWD_SUBSTR, "Nologin",
824 [String used in /etc/passwd to denote locked account])
825 fi
826 fi
827 AC_DEFINE(BROKEN_GETADDRINFO)
828 AC_DEFINE(SETEUID_BREAKS_SETUID)
829 AC_DEFINE(BROKEN_SETREUID)
830 AC_DEFINE(BROKEN_SETREGID)
831 ;;
832
833*-*-nto-qnx*)
834 AC_DEFINE(USE_PIPES)
835 AC_DEFINE(NO_X11_UNIX_SOCKETS)
836 AC_DEFINE(MISSING_NFDBITS, 1, [Define on *nto-qnx systems])
837 AC_DEFINE(MISSING_HOWMANY, 1, [Define on *nto-qnx systems])
838 AC_DEFINE(MISSING_FD_MASK, 1, [Define on *nto-qnx systems])
839 AC_DEFINE(DISABLE_LASTLOG)
840 AC_DEFINE(SSHD_ACQUIRES_CTTY)
841 AC_DEFINE(BROKEN_SHADOW_EXPIRE, 1, [QNX shadow support is broken])
842 enable_etc_default_login=no # has incompatible /etc/default/login
843 case "$host" in
844 *-*-nto-qnx6*)
845 AC_DEFINE(DISABLE_FD_PASSING)
846 ;;
847 esac
848 ;;
849
850*-*-ultrix*)
851 AC_DEFINE(BROKEN_GETGROUPS, 1, [getgroups(0,NULL) will return -1])
852 AC_DEFINE(BROKEN_MMAP, 1, [Ultrix mmap can't map files])
853 AC_DEFINE(NEED_SETPGRP)
854 AC_DEFINE(HAVE_SYS_SYSLOG_H, 1, [Force use of sys/syslog.h on Ultrix])
855 ;;
856
857*-*-lynxos)
858 CFLAGS="$CFLAGS -D__NO_INCLUDE_WARN__"
859 AC_DEFINE(MISSING_HOWMANY)
860 AC_DEFINE(BROKEN_SETVBUF, 1, [LynxOS has broken setvbuf() implementation])
861 ;;
862esac
863
864AC_MSG_CHECKING(compiler and flags for sanity)
865AC_RUN_IFELSE(
866 [AC_LANG_SOURCE([
867#include <stdio.h>
868int main(){exit(0);}
869 ])],
870 [ AC_MSG_RESULT(yes) ],
871 [
872 AC_MSG_RESULT(no)
873 AC_MSG_ERROR([*** compiler cannot create working executables, check config.log ***])
874 ],
875 [ AC_MSG_WARN([cross compiling: not checking compiler sanity]) ]
876)
877
878dnl Checks for header files.
879# Checks for libraries.
880AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
881AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
882
883dnl IRIX and Solaris 2.5.1 have dirname() in libgen
884AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
885 AC_CHECK_LIB(gen, dirname,[
886 AC_CACHE_CHECK([for broken dirname],
887 ac_cv_have_broken_dirname, [
888 save_LIBS="$LIBS"
889 LIBS="$LIBS -lgen"
890 AC_RUN_IFELSE(
891 [AC_LANG_SOURCE([[
892#include <libgen.h>
893#include <string.h>
894
895int main(int argc, char **argv) {
896 char *s, buf[32];
897
898 strncpy(buf,"/etc", 32);
899 s = dirname(buf);
900 if (!s || strncmp(s, "/", 32) != 0) {
901 exit(1);
902 } else {
903 exit(0);
904 }
905}
906 ]])],
907 [ ac_cv_have_broken_dirname="no" ],
908 [ ac_cv_have_broken_dirname="yes" ],
909 [ ac_cv_have_broken_dirname="no" ],
910 )
911 LIBS="$save_LIBS"
912 ])
913 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
914 LIBS="$LIBS -lgen"
915 AC_DEFINE(HAVE_DIRNAME)
916 AC_CHECK_HEADERS(libgen.h)
917 fi
918 ])
919])
920
921AC_CHECK_FUNC(getspnam, ,
922 AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
923AC_SEARCH_LIBS(basename, gen, AC_DEFINE(HAVE_BASENAME, 1,
924 [Define if you have the basename function.]))
925
926dnl zlib is required
927AC_ARG_WITH(zlib,
928 [ --with-zlib=PATH Use zlib in PATH],
929 [ if test "x$withval" = "xno" ; then
930 AC_MSG_ERROR([*** zlib is required ***])
931 elif test "x$withval" != "xyes"; then
932 if test -d "$withval/lib"; then
933 if test -n "${need_dash_r}"; then
934 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
935 else
936 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
937 fi
938 else
939 if test -n "${need_dash_r}"; then
940 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
941 else
942 LDFLAGS="-L${withval} ${LDFLAGS}"
943 fi
944 fi
945 if test -d "$withval/include"; then
946 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
947 else
948 CPPFLAGS="-I${withval} ${CPPFLAGS}"
949 fi
950 fi ]
951)
952
953AC_CHECK_LIB(z, deflate, ,
954 [
955 saved_CPPFLAGS="$CPPFLAGS"
956 saved_LDFLAGS="$LDFLAGS"
957 save_LIBS="$LIBS"
958 dnl Check default zlib install dir
959 if test -n "${need_dash_r}"; then
960 LDFLAGS="-L/usr/local/lib -R/usr/local/lib ${saved_LDFLAGS}"
961 else
962 LDFLAGS="-L/usr/local/lib ${saved_LDFLAGS}"
963 fi
964 CPPFLAGS="-I/usr/local/include ${saved_CPPFLAGS}"
965 LIBS="$LIBS -lz"
966 AC_TRY_LINK_FUNC(deflate, AC_DEFINE(HAVE_LIBZ),
967 [
968 AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***])
969 ]
970 )
971 ]
972)
973AC_CHECK_HEADER([zlib.h], ,AC_MSG_ERROR([*** zlib.h missing - please install first or check config.log ***]))
974
975AC_ARG_WITH(zlib-version-check,
976 [ --without-zlib-version-check Disable zlib version check],
977 [ if test "x$withval" = "xno" ; then
978 zlib_check_nonfatal=1
979 fi
980 ]
981)
982
983AC_MSG_CHECKING(for possibly buggy zlib)
984AC_RUN_IFELSE([AC_LANG_SOURCE([[
985#include <stdio.h>
986#include <zlib.h>
987int main()
988{
989 int a=0, b=0, c=0, d=0, n, v;
990 n = sscanf(ZLIB_VERSION, "%d.%d.%d.%d", &a, &b, &c, &d);
991 if (n != 3 && n != 4)
992 exit(1);
993 v = a*1000000 + b*10000 + c*100 + d;
994 fprintf(stderr, "found zlib version %s (%d)\n", ZLIB_VERSION, v);
995
996 /* 1.1.4 is OK */
997 if (a == 1 && b == 1 && c >= 4)
998 exit(0);
999
1000 /* 1.2.3 and up are OK */
1001 if (v >= 1020300)
1002 exit(0);
1003
1004 exit(2);
1005}
1006 ]])],
1007 AC_MSG_RESULT(no),
1008 [ AC_MSG_RESULT(yes)
1009 if test -z "$zlib_check_nonfatal" ; then
1010 AC_MSG_ERROR([*** zlib too old - check config.log ***
1011Your reported zlib version has known security problems. It's possible your
1012vendor has fixed these problems without changing the version number. If you
1013are sure this is the case, you can disable the check by running
1014"./configure --without-zlib-version-check".
1015If you are in doubt, upgrade zlib to version 1.2.3 or greater.
1016See http://www.gzip.org/zlib/ for details.])
1017 else
1018 AC_MSG_WARN([zlib version may have security problems])
1019 fi
1020 ],
1021 [ AC_MSG_WARN([cross compiling: not checking zlib version]) ]
1022)
1023
1024dnl UnixWare 2.x
1025AC_CHECK_FUNC(strcasecmp,
1026 [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
1027)
1028AC_CHECK_FUNCS(utimes,
1029 [], [ AC_CHECK_LIB(c89, utimes, [AC_DEFINE(HAVE_UTIMES)
1030 LIBS="$LIBS -lc89"]) ]
1031)
1032
1033dnl Checks for libutil functions
1034AC_CHECK_HEADERS(libutil.h)
1035AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN, 1,
1036 [Define if your libraries define login()])])
1037AC_CHECK_FUNCS(logout updwtmp logwtmp)
1038
1039AC_FUNC_STRFTIME
1040
1041# Check for ALTDIRFUNC glob() extension
1042AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
1043AC_EGREP_CPP(FOUNDIT,
1044 [
1045 #include <glob.h>
1046 #ifdef GLOB_ALTDIRFUNC
1047 FOUNDIT
1048 #endif
1049 ],
1050 [
1051 AC_DEFINE(GLOB_HAS_ALTDIRFUNC, 1,
1052 [Define if your system glob() function has
1053 the GLOB_ALTDIRFUNC extension])
1054 AC_MSG_RESULT(yes)
1055 ],
1056 [
1057 AC_MSG_RESULT(no)
1058 ]
1059)
1060
1061# Check for g.gl_matchc glob() extension
1062AC_MSG_CHECKING(for gl_matchc field in glob_t)
1063AC_TRY_COMPILE(
1064 [ #include <glob.h> ],
1065 [glob_t g; g.gl_matchc = 1;],
1066 [
1067 AC_DEFINE(GLOB_HAS_GL_MATCHC, 1,
1068 [Define if your system glob() function has
1069 gl_matchc options in glob_t])
1070 AC_MSG_RESULT(yes)
1071 ],
1072 [
1073 AC_MSG_RESULT(no)
1074 ]
1075)
1076
1077AC_CHECK_DECLS(GLOB_NOMATCH, , , [#include <glob.h>])
1078
1079AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
1080AC_RUN_IFELSE(
1081 [AC_LANG_SOURCE([[
1082#include <sys/types.h>
1083#include <dirent.h>
1084int main(void){struct dirent d;exit(sizeof(d.d_name)<=sizeof(char));}
1085 ]])],
1086 [AC_MSG_RESULT(yes)],
1087 [
1088 AC_MSG_RESULT(no)
1089 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME, 1,
1090 [Define if your struct dirent expects you to
1091 allocate extra space for d_name])
1092 ],
1093 [
1094 AC_MSG_WARN([cross compiling: assuming BROKEN_ONE_BYTE_DIRENT_D_NAME])
1095 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
1096 ]
1097)
1098
1099AC_MSG_CHECKING([for /proc/pid/fd directory])
1100if test -d "/proc/$$/fd" ; then
1101 AC_DEFINE(HAVE_PROC_PID, 1, [Define if you have /proc/$pid/fd])
1102 AC_MSG_RESULT(yes)
1103else
1104 AC_MSG_RESULT(no)
1105fi
1106
1107# Check whether user wants S/Key support
1108SKEY_MSG="no"
1109AC_ARG_WITH(skey,
1110 [ --with-skey[[=PATH]] Enable S/Key support (optionally in PATH)],
1111 [
1112 if test "x$withval" != "xno" ; then
1113
1114 if test "x$withval" != "xyes" ; then
1115 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1116 LDFLAGS="$LDFLAGS -L${withval}/lib"
1117 fi
1118
1119 AC_DEFINE(SKEY, 1, [Define if you want S/Key support])
1120 LIBS="-lskey $LIBS"
1121 SKEY_MSG="yes"
1122
1123 AC_MSG_CHECKING([for s/key support])
1124 AC_LINK_IFELSE(
1125 [AC_LANG_SOURCE([[
1126#include <stdio.h>
1127#include <skey.h>
1128int main() { char *ff = skey_keyinfo(""); ff=""; exit(0); }
1129 ]])],
1130 [AC_MSG_RESULT(yes)],
1131 [
1132 AC_MSG_RESULT(no)
1133 AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
1134 ])
1135 AC_MSG_CHECKING(if skeychallenge takes 4 arguments)
1136 AC_TRY_COMPILE(
1137 [#include <stdio.h>
1138 #include <skey.h>],
1139 [(void)skeychallenge(NULL,"name","",0);],
1140 [AC_MSG_RESULT(yes)
1141 AC_DEFINE(SKEYCHALLENGE_4ARG, 1,
1142 [Define if your skeychallenge()
1143 function takes 4 arguments (NetBSD)])],
1144 [AC_MSG_RESULT(no)]
1145 )
1146 fi
1147 ]
1148)
1149
1150# Check whether user wants TCP wrappers support
1151TCPW_MSG="no"
1152AC_ARG_WITH(tcp-wrappers,
1153 [ --with-tcp-wrappers[[=PATH]] Enable tcpwrappers support (optionally in PATH)],
1154 [
1155 if test "x$withval" != "xno" ; then
1156 saved_LIBS="$LIBS"
1157 saved_LDFLAGS="$LDFLAGS"
1158 saved_CPPFLAGS="$CPPFLAGS"
1159 if test -n "${withval}" && \
1160 test "x${withval}" != "xyes"; then
1161 if test -d "${withval}/lib"; then
1162 if test -n "${need_dash_r}"; then
1163 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
1164 else
1165 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
1166 fi
1167 else
1168 if test -n "${need_dash_r}"; then
1169 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
1170 else
1171 LDFLAGS="-L${withval} ${LDFLAGS}"
1172 fi
1173 fi
1174 if test -d "${withval}/include"; then
1175 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
1176 else
1177 CPPFLAGS="-I${withval} ${CPPFLAGS}"
1178 fi
1179 fi
1180 LIBS="-lwrap $LIBS"
1181 AC_MSG_CHECKING(for libwrap)
1182 AC_TRY_LINK(
1183 [
1184#include <sys/types.h>
1185#include <sys/socket.h>
1186#include <netinet/in.h>
1187#include <tcpd.h>
1188 int deny_severity = 0, allow_severity = 0;
1189 ],
1190 [hosts_access(0);],
1191 [
1192 AC_MSG_RESULT(yes)
1193 AC_DEFINE(LIBWRAP, 1,
1194 [Define if you want
1195 TCP Wrappers support])
1196 SSHDLIBS="$SSHDLIBS -lwrap"
1197 TCPW_MSG="yes"
1198 ],
1199 [
1200 AC_MSG_ERROR([*** libwrap missing])
1201 ]
1202 )
1203 LIBS="$saved_LIBS"
1204 fi
1205 ]
1206)
1207
1208# Check whether user wants libedit support
1209LIBEDIT_MSG="no"
1210AC_ARG_WITH(libedit,
1211 [ --with-libedit[[=PATH]] Enable libedit support for sftp],
1212 [ if test "x$withval" != "xno" ; then
1213 if test "x$withval" != "xyes"; then
1214 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1215 if test -n "${need_dash_r}"; then
1216 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
1217 else
1218 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
1219 fi
1220 fi
1221 AC_CHECK_LIB(edit, el_init,
1222 [ AC_DEFINE(USE_LIBEDIT, 1, [Use libedit for sftp])
1223 LIBEDIT="-ledit -lcurses"
1224 LIBEDIT_MSG="yes"
1225 AC_SUBST(LIBEDIT)
1226 ],
1227 [ AC_MSG_ERROR(libedit not found) ],
1228 [ -lcurses ]
1229 )
1230 AC_MSG_CHECKING(if libedit version is compatible)
1231 AC_COMPILE_IFELSE(
1232 [AC_LANG_SOURCE([[
1233#include <histedit.h>
1234int main(void)
1235{
1236 int i = H_SETSIZE;
1237 el_init("", NULL, NULL, NULL);
1238 exit(0);
1239}
1240 ]])],
1241 [ AC_MSG_RESULT(yes) ],
1242 [ AC_MSG_RESULT(no)
1243 AC_MSG_ERROR(libedit version is not compatible) ]
1244 )
1245 fi ]
1246)
1247
1248AUDIT_MODULE=none
1249AC_ARG_WITH(audit,
1250 [ --with-audit=module Enable EXPERIMENTAL audit support (modules=debug,bsm)],
1251 [
1252 AC_MSG_CHECKING(for supported audit module)
1253 case "$withval" in
1254 bsm)
1255 AC_MSG_RESULT(bsm)
1256 AUDIT_MODULE=bsm
1257 dnl Checks for headers, libs and functions
1258 AC_CHECK_HEADERS(bsm/audit.h, [],
1259 [AC_MSG_ERROR(BSM enabled and bsm/audit.h not found)],
1260 [
1261#ifdef HAVE_TIME_H
1262# include <time.h>
1263#endif
1264 ]
1265)
1266 AC_CHECK_LIB(bsm, getaudit, [],
1267 [AC_MSG_ERROR(BSM enabled and required library not found)])
1268 AC_CHECK_FUNCS(getaudit, [],
1269 [AC_MSG_ERROR(BSM enabled and required function not found)])
1270 # These are optional
1271 AC_CHECK_FUNCS(getaudit_addr aug_get_machine)
1272 AC_DEFINE(USE_BSM_AUDIT, 1, [Use BSM audit module])
1273 ;;
1274 debug)
1275 AUDIT_MODULE=debug
1276 AC_MSG_RESULT(debug)
1277 AC_DEFINE(SSH_AUDIT_EVENTS, 1, Use audit debugging module)
1278 ;;
1279 no)
1280 AC_MSG_RESULT(no)
1281 ;;
1282 *)
1283 AC_MSG_ERROR([Unknown audit module $withval])
1284 ;;
1285 esac ]
1286)
1287
1288dnl Checks for library functions. Please keep in alphabetical order
1289AC_CHECK_FUNCS( \
1290 arc4random \
1291 asprintf \
1292 b64_ntop \
1293 __b64_ntop \
1294 b64_pton \
1295 __b64_pton \
1296 bcopy \
1297 bindresvport_sa \
1298 clock \
1299 closefrom \
1300 dirfd \
1301 fchmod \
1302 fchown \
1303 freeaddrinfo \
1304 futimes \
1305 getaddrinfo \
1306 getcwd \
1307 getgrouplist \
1308 getnameinfo \
1309 getopt \
1310 getpeereid \
1311 getpeerucred \
1312 _getpty \
1313 getrlimit \
1314 getttyent \
1315 glob \
1316 inet_aton \
1317 inet_ntoa \
1318 inet_ntop \
1319 innetgr \
1320 login_getcapbool \
1321 md5_crypt \
1322 memmove \
1323 mkdtemp \
1324 mmap \
1325 ngetaddrinfo \
1326 nsleep \
1327 ogetaddrinfo \
1328 openlog_r \
1329 openpty \
1330 poll \
1331 prctl \
1332 pstat \
1333 readpassphrase \
1334 realpath \
1335 recvmsg \
1336 rresvport_af \
1337 sendmsg \
1338 setdtablesize \
1339 setegid \
1340 setenv \
1341 seteuid \
1342 setgroups \
1343 setlogin \
1344 setpcred \
1345 setproctitle \
1346 setregid \
1347 setreuid \
1348 setrlimit \
1349 setsid \
1350 setvbuf \
1351 sigaction \
1352 sigvec \
1353 snprintf \
1354 socketpair \
1355 strdup \
1356 strerror \
1357 strlcat \
1358 strlcpy \
1359 strmode \
1360 strnvis \
1361 strtonum \
1362 strtoll \
1363 strtoul \
1364 swap32 \
1365 sysconf \
1366 tcgetpgrp \
1367 truncate \
1368 unsetenv \
1369 updwtmpx \
1370 vasprintf \
1371 vhangup \
1372 vsnprintf \
1373 waitpid \
1374)
1375
1376# IRIX has a const char return value for gai_strerror()
1377AC_CHECK_FUNCS(gai_strerror,[
1378 AC_DEFINE(HAVE_GAI_STRERROR)
1379 AC_TRY_COMPILE([
1380#include <sys/types.h>
1381#include <sys/socket.h>
1382#include <netdb.h>
1383
1384const char *gai_strerror(int);],[
1385char *str;
1386
1387str = gai_strerror(0);],[
1388 AC_DEFINE(HAVE_CONST_GAI_STRERROR_PROTO, 1,
1389 [Define if gai_strerror() returns const char *])])])
1390
1391AC_SEARCH_LIBS(nanosleep, rt posix4, AC_DEFINE(HAVE_NANOSLEEP, 1,
1392 [Some systems put nanosleep outside of libc]))
1393
1394dnl Make sure prototypes are defined for these before using them.
1395AC_CHECK_DECL(getrusage, [AC_CHECK_FUNCS(getrusage)])
1396AC_CHECK_DECL(strsep,
1397 [AC_CHECK_FUNCS(strsep)],
1398 [],
1399 [
1400#ifdef HAVE_STRING_H
1401# include <string.h>
1402#endif
1403 ])
1404
1405dnl tcsendbreak might be a macro
1406AC_CHECK_DECL(tcsendbreak,
1407 [AC_DEFINE(HAVE_TCSENDBREAK)],
1408 [AC_CHECK_FUNCS(tcsendbreak)],
1409 [#include <termios.h>]
1410)
1411
1412AC_CHECK_DECLS(h_errno, , ,[#include <netdb.h>])
1413
1414AC_CHECK_DECLS(SHUT_RD, , ,
1415 [
1416#include <sys/types.h>
1417#include <sys/socket.h>
1418 ])
1419
1420AC_CHECK_DECLS(O_NONBLOCK, , ,
1421 [
1422#include <sys/types.h>
1423#ifdef HAVE_SYS_STAT_H
1424# include <sys/stat.h>
1425#endif
1426#ifdef HAVE_FCNTL_H
1427# include <fcntl.h>
1428#endif
1429 ])
1430
1431AC_CHECK_DECLS(writev, , , [
1432#include <sys/types.h>
1433#include <sys/uio.h>
1434#include <unistd.h>
1435 ])
1436
1437AC_CHECK_DECLS(MAXSYMLINKS, , , [
1438#include <sys/param.h>
1439 ])
1440
1441AC_CHECK_DECLS(offsetof, , , [
1442#include <stddef.h>
1443 ])
1444
1445AC_CHECK_FUNCS(setresuid, [
1446 dnl Some platorms have setresuid that isn't implemented, test for this
1447 AC_MSG_CHECKING(if setresuid seems to work)
1448 AC_RUN_IFELSE(
1449 [AC_LANG_SOURCE([[
1450#include <stdlib.h>
1451#include <errno.h>
1452int main(){errno=0; setresuid(0,0,0); if (errno==ENOSYS) exit(1); else exit(0);}
1453 ]])],
1454 [AC_MSG_RESULT(yes)],
1455 [AC_DEFINE(BROKEN_SETRESUID, 1,
1456 [Define if your setresuid() is broken])
1457 AC_MSG_RESULT(not implemented)],
1458 [AC_MSG_WARN([cross compiling: not checking setresuid])]
1459 )
1460])
1461
1462AC_CHECK_FUNCS(setresgid, [
1463 dnl Some platorms have setresgid that isn't implemented, test for this
1464 AC_MSG_CHECKING(if setresgid seems to work)
1465 AC_RUN_IFELSE(
1466 [AC_LANG_SOURCE([[
1467#include <stdlib.h>
1468#include <errno.h>
1469int main(){errno=0; setresgid(0,0,0); if (errno==ENOSYS) exit(1); else exit(0);}
1470 ]])],
1471 [AC_MSG_RESULT(yes)],
1472 [AC_DEFINE(BROKEN_SETRESGID, 1,
1473 [Define if your setresgid() is broken])
1474 AC_MSG_RESULT(not implemented)],
1475 [AC_MSG_WARN([cross compiling: not checking setresuid])]
1476 )
1477])
1478
1479dnl Checks for time functions
1480AC_CHECK_FUNCS(gettimeofday time)
1481dnl Checks for utmp functions
1482AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
1483AC_CHECK_FUNCS(utmpname)
1484dnl Checks for utmpx functions
1485AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
1486AC_CHECK_FUNCS(setutxent utmpxname)
1487
1488AC_CHECK_FUNC(daemon,
1489 [AC_DEFINE(HAVE_DAEMON, 1, [Define if your libraries define daemon()])],
1490 [AC_CHECK_LIB(bsd, daemon,
1491 [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
1492)
1493
1494AC_CHECK_FUNC(getpagesize,
1495 [AC_DEFINE(HAVE_GETPAGESIZE, 1,
1496 [Define if your libraries define getpagesize()])],
1497 [AC_CHECK_LIB(ucb, getpagesize,
1498 [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
1499)
1500
1501# Check for broken snprintf
1502if test "x$ac_cv_func_snprintf" = "xyes" ; then
1503 AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
1504 AC_RUN_IFELSE(
1505 [AC_LANG_SOURCE([[
1506#include <stdio.h>
1507int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');}
1508 ]])],
1509 [AC_MSG_RESULT(yes)],
1510 [
1511 AC_MSG_RESULT(no)
1512 AC_DEFINE(BROKEN_SNPRINTF, 1,
1513 [Define if your snprintf is busted])
1514 AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
1515 ],
1516 [ AC_MSG_WARN([cross compiling: Assuming working snprintf()]) ]
1517 )
1518fi
1519
1520# If we don't have a working asprintf, then we strongly depend on vsnprintf
1521# returning the right thing on overflow: the number of characters it tried to
1522# create (as per SUSv3)
1523if test "x$ac_cv_func_asprintf" != "xyes" && \
1524 test "x$ac_cv_func_vsnprintf" = "xyes" ; then
1525 AC_MSG_CHECKING([whether vsnprintf returns correct values on overflow])
1526 AC_RUN_IFELSE(
1527 [AC_LANG_SOURCE([[
1528#include <sys/types.h>
1529#include <stdio.h>
1530#include <stdarg.h>
1531
1532int x_snprintf(char *str,size_t count,const char *fmt,...)
1533{
1534 size_t ret; va_list ap;
1535 va_start(ap, fmt); ret = vsnprintf(str, count, fmt, ap); va_end(ap);
1536 return ret;
1537}
1538int main(void)
1539{
1540 char x[1];
1541 exit(x_snprintf(x, 1, "%s %d", "hello", 12345) == 11 ? 0 : 1);
1542} ]])],
1543 [AC_MSG_RESULT(yes)],
1544 [
1545 AC_MSG_RESULT(no)
1546 AC_DEFINE(BROKEN_SNPRINTF, 1,
1547 [Define if your snprintf is busted])
1548 AC_MSG_WARN([****** Your vsnprintf() function is broken, complain to your vendor])
1549 ],
1550 [ AC_MSG_WARN([cross compiling: Assuming working vsnprintf()]) ]
1551 )
1552fi
1553
1554# On systems where [v]snprintf is broken, but is declared in stdio,
1555# check that the fmt argument is const char * or just char *.
1556# This is only useful for when BROKEN_SNPRINTF
1557AC_MSG_CHECKING([whether snprintf can declare const char *fmt])
1558AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
1559 int snprintf(char *a, size_t b, const char *c, ...) { return 0; }
1560 int main(void) { snprintf(0, 0, 0); }
1561 ]])],
1562 [AC_MSG_RESULT(yes)
1563 AC_DEFINE(SNPRINTF_CONST, [const],
1564 [Define as const if snprintf() can declare const char *fmt])],
1565 [AC_MSG_RESULT(no)
1566 AC_DEFINE(SNPRINTF_CONST, [/* not const */])])
1567
1568# Check for missing getpeereid (or equiv) support
1569NO_PEERCHECK=""
1570if test "x$ac_cv_func_getpeereid" != "xyes" -a "x$ac_cv_func_getpeerucred" != "xyes"; then
1571 AC_MSG_CHECKING([whether system supports SO_PEERCRED getsockopt])
1572 AC_TRY_COMPILE(
1573 [#include <sys/types.h>
1574 #include <sys/socket.h>],
1575 [int i = SO_PEERCRED;],
1576 [ AC_MSG_RESULT(yes)
1577 AC_DEFINE(HAVE_SO_PEERCRED, 1, [Have PEERCRED socket option])
1578 ],
1579 [AC_MSG_RESULT(no)
1580 NO_PEERCHECK=1]
1581 )
1582fi
1583
1584dnl see whether mkstemp() requires XXXXXX
1585if test "x$ac_cv_func_mkdtemp" = "xyes" ; then
1586AC_MSG_CHECKING([for (overly) strict mkstemp])
1587AC_RUN_IFELSE(
1588 [AC_LANG_SOURCE([[
1589#include <stdlib.h>
1590main() { char template[]="conftest.mkstemp-test";
1591if (mkstemp(template) == -1)
1592 exit(1);
1593unlink(template); exit(0);
1594}
1595 ]])],
1596 [
1597 AC_MSG_RESULT(no)
1598 ],
1599 [
1600 AC_MSG_RESULT(yes)
1601 AC_DEFINE(HAVE_STRICT_MKSTEMP, 1, [Silly mkstemp()])
1602 ],
1603 [
1604 AC_MSG_RESULT(yes)
1605 AC_DEFINE(HAVE_STRICT_MKSTEMP)
1606 ]
1607)
1608fi
1609
1610dnl make sure that openpty does not reacquire controlling terminal
1611if test ! -z "$check_for_openpty_ctty_bug"; then
1612 AC_MSG_CHECKING(if openpty correctly handles controlling tty)
1613 AC_RUN_IFELSE(
1614 [AC_LANG_SOURCE([[
1615#include <stdio.h>
1616#include <sys/fcntl.h>
1617#include <sys/types.h>
1618#include <sys/wait.h>
1619
1620int
1621main()
1622{
1623 pid_t pid;
1624 int fd, ptyfd, ttyfd, status;
1625
1626 pid = fork();
1627 if (pid < 0) { /* failed */
1628 exit(1);
1629 } else if (pid > 0) { /* parent */
1630 waitpid(pid, &status, 0);
1631 if (WIFEXITED(status))
1632 exit(WEXITSTATUS(status));
1633 else
1634 exit(2);
1635 } else { /* child */
1636 close(0); close(1); close(2);
1637 setsid();
1638 openpty(&ptyfd, &ttyfd, NULL, NULL, NULL);
1639 fd = open("/dev/tty", O_RDWR | O_NOCTTY);
1640 if (fd >= 0)
1641 exit(3); /* Acquired ctty: broken */
1642 else
1643 exit(0); /* Did not acquire ctty: OK */
1644 }
1645}
1646 ]])],
1647 [
1648 AC_MSG_RESULT(yes)
1649 ],
1650 [
1651 AC_MSG_RESULT(no)
1652 AC_DEFINE(SSHD_ACQUIRES_CTTY)
1653 ],
1654 [
1655 AC_MSG_RESULT(cross-compiling, assuming yes)
1656 ]
1657 )
1658fi
1659
1660if test "x$ac_cv_func_getaddrinfo" = "xyes" && \
1661 test "x$check_for_hpux_broken_getaddrinfo" = "x1"; then
1662 AC_MSG_CHECKING(if getaddrinfo seems to work)
1663 AC_RUN_IFELSE(
1664 [AC_LANG_SOURCE([[
1665#include <stdio.h>
1666#include <sys/socket.h>
1667#include <netdb.h>
1668#include <errno.h>
1669#include <netinet/in.h>
1670
1671#define TEST_PORT "2222"
1672
1673int
1674main(void)
1675{
1676 int err, sock;
1677 struct addrinfo *gai_ai, *ai, hints;
1678 char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL;
1679
1680 memset(&hints, 0, sizeof(hints));
1681 hints.ai_family = PF_UNSPEC;
1682 hints.ai_socktype = SOCK_STREAM;
1683 hints.ai_flags = AI_PASSIVE;
1684
1685 err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai);
1686 if (err != 0) {
1687 fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err));
1688 exit(1);
1689 }
1690
1691 for (ai = gai_ai; ai != NULL; ai = ai->ai_next) {
1692 if (ai->ai_family != AF_INET6)
1693 continue;
1694
1695 err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop,
1696 sizeof(ntop), strport, sizeof(strport),
1697 NI_NUMERICHOST|NI_NUMERICSERV);
1698
1699 if (err != 0) {
1700 if (err == EAI_SYSTEM)
1701 perror("getnameinfo EAI_SYSTEM");
1702 else
1703 fprintf(stderr, "getnameinfo failed: %s\n",
1704 gai_strerror(err));
1705 exit(2);
1706 }
1707
1708 sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
1709 if (sock < 0)
1710 perror("socket");
1711 if (bind(sock, ai->ai_addr, ai->ai_addrlen) < 0) {
1712 if (errno == EBADF)
1713 exit(3);
1714 }
1715 }
1716 exit(0);
1717}
1718 ]])],
1719 [
1720 AC_MSG_RESULT(yes)
1721 ],
1722 [
1723 AC_MSG_RESULT(no)
1724 AC_DEFINE(BROKEN_GETADDRINFO)
1725 ],
1726 [
1727 AC_MSG_RESULT(cross-compiling, assuming yes)
1728 ]
1729 )
1730fi
1731
1732if test "x$ac_cv_func_getaddrinfo" = "xyes" && \
1733 test "x$check_for_aix_broken_getaddrinfo" = "x1"; then
1734 AC_MSG_CHECKING(if getaddrinfo seems to work)
1735 AC_RUN_IFELSE(
1736 [AC_LANG_SOURCE([[
1737#include <stdio.h>
1738#include <sys/socket.h>
1739#include <netdb.h>
1740#include <errno.h>
1741#include <netinet/in.h>
1742
1743#define TEST_PORT "2222"
1744
1745int
1746main(void)
1747{
1748 int err, sock;
1749 struct addrinfo *gai_ai, *ai, hints;
1750 char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL;
1751
1752 memset(&hints, 0, sizeof(hints));
1753 hints.ai_family = PF_UNSPEC;
1754 hints.ai_socktype = SOCK_STREAM;
1755 hints.ai_flags = AI_PASSIVE;
1756
1757 err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai);
1758 if (err != 0) {
1759 fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err));
1760 exit(1);
1761 }
1762
1763 for (ai = gai_ai; ai != NULL; ai = ai->ai_next) {
1764 if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6)
1765 continue;
1766
1767 err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop,
1768 sizeof(ntop), strport, sizeof(strport),
1769 NI_NUMERICHOST|NI_NUMERICSERV);
1770
1771 if (ai->ai_family == AF_INET && err != 0) {
1772 perror("getnameinfo");
1773 exit(2);
1774 }
1775 }
1776 exit(0);
1777}
1778 ]])],
1779 [
1780 AC_MSG_RESULT(yes)
1781 AC_DEFINE(AIX_GETNAMEINFO_HACK, 1,
1782 [Define if you have a getaddrinfo that fails
1783 for the all-zeros IPv6 address])
1784 ],
1785 [
1786 AC_MSG_RESULT(no)
1787 AC_DEFINE(BROKEN_GETADDRINFO)
1788 ],
1789 [
1790 AC_MSG_RESULT(cross-compiling, assuming no)
1791 ]
1792 )
1793fi
1794
1795if test "x$check_for_conflicting_getspnam" = "x1"; then
1796 AC_MSG_CHECKING(for conflicting getspnam in shadow.h)
1797 AC_COMPILE_IFELSE(
1798 [
1799#include <shadow.h>
1800int main(void) {exit(0);}
1801 ],
1802 [
1803 AC_MSG_RESULT(no)
1804 ],
1805 [
1806 AC_MSG_RESULT(yes)
1807 AC_DEFINE(GETSPNAM_CONFLICTING_DEFS, 1,
1808 [Conflicting defs for getspnam])
1809 ]
1810 )
1811fi
1812
1813AC_FUNC_GETPGRP
1814
1815# Search for OpenSSL
1816saved_CPPFLAGS="$CPPFLAGS"
1817saved_LDFLAGS="$LDFLAGS"
1818AC_ARG_WITH(ssl-dir,
1819 [ --with-ssl-dir=PATH Specify path to OpenSSL installation ],
1820 [
1821 if test "x$withval" != "xno" ; then
1822 case "$withval" in
1823 # Relative paths
1824 ./*|../*) withval="`pwd`/$withval"
1825 esac
1826 if test -d "$withval/lib"; then
1827 if test -n "${need_dash_r}"; then
1828 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
1829 else
1830 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
1831 fi
1832 else
1833 if test -n "${need_dash_r}"; then
1834 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
1835 else
1836 LDFLAGS="-L${withval} ${LDFLAGS}"
1837 fi
1838 fi
1839 if test -d "$withval/include"; then
1840 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
1841 else
1842 CPPFLAGS="-I${withval} ${CPPFLAGS}"
1843 fi
1844 fi
1845 ]
1846)
1847LIBS="-lcrypto $LIBS"
1848AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL, 1,
1849 [Define if your ssl headers are included
1850 with #include <openssl/header.h>]),
1851 [
1852 dnl Check default openssl install dir
1853 if test -n "${need_dash_r}"; then
1854 LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
1855 else
1856 LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
1857 fi
1858 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
1859 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
1860 [
1861 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
1862 ]
1863 )
1864 ]
1865)
1866
1867# Determine OpenSSL header version
1868AC_MSG_CHECKING([OpenSSL header version])
1869AC_RUN_IFELSE(
1870 [AC_LANG_SOURCE([[
1871#include <stdio.h>
1872#include <string.h>
1873#include <openssl/opensslv.h>
1874#define DATA "conftest.sslincver"
1875int main(void) {
1876 FILE *fd;
1877 int rc;
1878
1879 fd = fopen(DATA,"w");
1880 if(fd == NULL)
1881 exit(1);
1882
1883 if ((rc = fprintf(fd ,"%x (%s)\n", OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT)) <0)
1884 exit(1);
1885
1886 exit(0);
1887}
1888 ]])],
1889 [
1890 ssl_header_ver=`cat conftest.sslincver`
1891 AC_MSG_RESULT($ssl_header_ver)
1892 ],
1893 [
1894 AC_MSG_RESULT(not found)
1895 AC_MSG_ERROR(OpenSSL version header not found.)
1896 ],
1897 [
1898 AC_MSG_WARN([cross compiling: not checking])
1899 ]
1900)
1901
1902# Determine OpenSSL library version
1903AC_MSG_CHECKING([OpenSSL library version])
1904AC_RUN_IFELSE(
1905 [AC_LANG_SOURCE([[
1906#include <stdio.h>
1907#include <string.h>
1908#include <openssl/opensslv.h>
1909#include <openssl/crypto.h>
1910#define DATA "conftest.ssllibver"
1911int main(void) {
1912 FILE *fd;
1913 int rc;
1914
1915 fd = fopen(DATA,"w");
1916 if(fd == NULL)
1917 exit(1);
1918
1919 if ((rc = fprintf(fd ,"%x (%s)\n", SSLeay(), SSLeay_version(SSLEAY_VERSION))) <0)
1920 exit(1);
1921
1922 exit(0);
1923}
1924 ]])],
1925 [
1926 ssl_library_ver=`cat conftest.ssllibver`
1927 AC_MSG_RESULT($ssl_library_ver)
1928 ],
1929 [
1930 AC_MSG_RESULT(not found)
1931 AC_MSG_ERROR(OpenSSL library not found.)
1932 ],
1933 [
1934 AC_MSG_WARN([cross compiling: not checking])
1935 ]
1936)
1937
1938AC_ARG_WITH(openssl-header-check,
1939 [ --without-openssl-header-check Disable OpenSSL version consistency check],
1940 [ if test "x$withval" = "xno" ; then
1941 openssl_check_nonfatal=1
1942 fi
1943 ]
1944)
1945
1946# Sanity check OpenSSL headers
1947AC_MSG_CHECKING([whether OpenSSL's headers match the library])
1948AC_RUN_IFELSE(
1949 [AC_LANG_SOURCE([[
1950#include <string.h>
1951#include <openssl/opensslv.h>
1952int main(void) { exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
1953 ]])],
1954 [
1955 AC_MSG_RESULT(yes)
1956 ],
1957 [
1958 AC_MSG_RESULT(no)
1959 if test "x$openssl_check_nonfatal" = "x"; then
1960 AC_MSG_ERROR([Your OpenSSL headers do not match your
1961library. Check config.log for details.
1962If you are sure your installation is consistent, you can disable the check
1963by running "./configure --without-openssl-header-check".
1964Also see contrib/findssl.sh for help identifying header/library mismatches.
1965])
1966 else
1967 AC_MSG_WARN([Your OpenSSL headers do not match your
1968library. Check config.log for details.
1969Also see contrib/findssl.sh for help identifying header/library mismatches.])
1970 fi
1971 ],
1972 [
1973 AC_MSG_WARN([cross compiling: not checking])
1974 ]
1975)
1976
1977AC_MSG_CHECKING([if programs using OpenSSL functions will link])
1978AC_LINK_IFELSE(
1979 [AC_LANG_SOURCE([[
1980#include <openssl/evp.h>
1981int main(void) { SSLeay_add_all_algorithms(); }
1982 ]])],
1983 [
1984 AC_MSG_RESULT(yes)
1985 ],
1986 [
1987 AC_MSG_RESULT(no)
1988 saved_LIBS="$LIBS"
1989 LIBS="$LIBS -ldl"
1990 AC_MSG_CHECKING([if programs using OpenSSL need -ldl])
1991 AC_LINK_IFELSE(
1992 [AC_LANG_SOURCE([[
1993#include <openssl/evp.h>
1994int main(void) { SSLeay_add_all_algorithms(); }
1995 ]])],
1996 [
1997 AC_MSG_RESULT(yes)
1998 ],
1999 [
2000 AC_MSG_RESULT(no)
2001 LIBS="$saved_LIBS"
2002 ]
2003 )
2004 ]
2005)
2006
2007AC_ARG_WITH(ssl-engine,
2008 [ --with-ssl-engine Enable OpenSSL (hardware) ENGINE support ],
2009 [ if test "x$withval" != "xno" ; then
2010 AC_MSG_CHECKING(for OpenSSL ENGINE support)
2011 AC_TRY_COMPILE(
2012 [ #include <openssl/engine.h>],
2013 [
2014ENGINE_load_builtin_engines();ENGINE_register_all_complete();
2015 ],
2016 [ AC_MSG_RESULT(yes)
2017 AC_DEFINE(USE_OPENSSL_ENGINE, 1,
2018 [Enable OpenSSL engine support])
2019 ],
2020 [ AC_MSG_ERROR(OpenSSL ENGINE support not found)]
2021 )
2022 fi ]
2023)
2024
2025# Check for OpenSSL without EVP_aes_{192,256}_cbc
2026AC_MSG_CHECKING([whether OpenSSL has crippled AES support])
2027AC_LINK_IFELSE(
2028 [AC_LANG_SOURCE([[
2029#include <string.h>
2030#include <openssl/evp.h>
2031int main(void) { exit(EVP_aes_192_cbc() == NULL || EVP_aes_256_cbc() == NULL);}
2032 ]])],
2033 [
2034 AC_MSG_RESULT(no)
2035 ],
2036 [
2037 AC_MSG_RESULT(yes)
2038 AC_DEFINE(OPENSSL_LOBOTOMISED_AES, 1,
2039 [libcrypto is missing AES 192 and 256 bit functions])
2040 ]
2041)
2042
2043# Some systems want crypt() from libcrypt, *not* the version in OpenSSL,
2044# because the system crypt() is more featureful.
2045if test "x$check_for_libcrypt_before" = "x1"; then
2046 AC_CHECK_LIB(crypt, crypt)
2047fi
2048
2049# Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
2050# version in OpenSSL.
2051if test "x$check_for_libcrypt_later" = "x1"; then
2052 AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
2053fi
2054
2055# Search for SHA256 support in libc and/or OpenSSL
2056AC_CHECK_FUNCS(SHA256_Update EVP_sha256)
2057
2058saved_LIBS="$LIBS"
2059AC_CHECK_LIB(iaf, ia_openinfo, [
2060 LIBS="$LIBS -liaf"
2061 AC_CHECK_FUNCS(set_id, [SSHDLIBS="$SSHDLIBS -liaf"
2062 AC_DEFINE(HAVE_LIBIAF, 1,
2063 [Define if system has libiaf that supports set_id])
2064 ])
2065])
2066LIBS="$saved_LIBS"
2067
2068### Configure cryptographic random number support
2069
2070# Check wheter OpenSSL seeds itself
2071AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
2072AC_RUN_IFELSE(
2073 [AC_LANG_SOURCE([[
2074#include <string.h>
2075#include <openssl/rand.h>
2076int main(void) { exit(RAND_status() == 1 ? 0 : 1); }
2077 ]])],
2078 [
2079 OPENSSL_SEEDS_ITSELF=yes
2080 AC_MSG_RESULT(yes)
2081 ],
2082 [
2083 AC_MSG_RESULT(no)
2084 # Default to use of the rand helper if OpenSSL doesn't
2085 # seed itself
2086 USE_RAND_HELPER=yes
2087 ],
2088 [
2089 AC_MSG_WARN([cross compiling: assuming yes])
2090 # This is safe, since all recent OpenSSL versions will
2091 # complain at runtime if not seeded correctly.
2092 OPENSSL_SEEDS_ITSELF=yes
2093 ]
2094)
2095
2096# Check for PAM libs
2097PAM_MSG="no"
2098AC_ARG_WITH(pam,
2099 [ --with-pam Enable PAM support ],
2100 [
2101 if test "x$withval" != "xno" ; then
2102 if test "x$ac_cv_header_security_pam_appl_h" != "xyes" && \
2103 test "x$ac_cv_header_pam_pam_appl_h" != "xyes" ; then
2104 AC_MSG_ERROR([PAM headers not found])
2105 fi
2106
2107 saved_LIBS="$LIBS"
2108 AC_CHECK_LIB(dl, dlopen, , )
2109 AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
2110 AC_CHECK_FUNCS(pam_getenvlist)
2111 AC_CHECK_FUNCS(pam_putenv)
2112 LIBS="$saved_LIBS"
2113
2114 PAM_MSG="yes"
2115
2116 SSHDLIBS="$SSHDLIBS -lpam"
2117 AC_DEFINE(USE_PAM, 1,
2118 [Define if you want to enable PAM support])
2119
2120 if test $ac_cv_lib_dl_dlopen = yes; then
2121 case "$LIBS" in
2122 *-ldl*)
2123 # libdl already in LIBS
2124 ;;
2125 *)
2126 SSHDLIBS="$SSHDLIBS -ldl"
2127 ;;
2128 esac
2129 fi
2130 fi
2131 ]
2132)
2133
2134# Check for older PAM
2135if test "x$PAM_MSG" = "xyes" ; then
2136 # Check PAM strerror arguments (old PAM)
2137 AC_MSG_CHECKING([whether pam_strerror takes only one argument])
2138 AC_TRY_COMPILE(
2139 [
2140#include <stdlib.h>
2141#if defined(HAVE_SECURITY_PAM_APPL_H)
2142#include <security/pam_appl.h>
2143#elif defined (HAVE_PAM_PAM_APPL_H)
2144#include <pam/pam_appl.h>
2145#endif
2146 ],
2147 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
2148 [AC_MSG_RESULT(no)],
2149 [
2150 AC_DEFINE(HAVE_OLD_PAM, 1,
2151 [Define if you have an old version of PAM
2152 which takes only one argument to pam_strerror])
2153 AC_MSG_RESULT(yes)
2154 PAM_MSG="yes (old library)"
2155 ]
2156 )
2157fi
2158
2159# Do we want to force the use of the rand helper?
2160AC_ARG_WITH(rand-helper,
2161 [ --with-rand-helper Use subprocess to gather strong randomness ],
2162 [
2163 if test "x$withval" = "xno" ; then
2164 # Force use of OpenSSL's internal RNG, even if
2165 # the previous test showed it to be unseeded.
2166 if test -z "$OPENSSL_SEEDS_ITSELF" ; then
2167 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
2168 OPENSSL_SEEDS_ITSELF=yes
2169 USE_RAND_HELPER=""
2170 fi
2171 else
2172 USE_RAND_HELPER=yes
2173 fi
2174 ],
2175)
2176
2177# Which randomness source do we use?
2178if test ! -z "$OPENSSL_SEEDS_ITSELF" && test -z "$USE_RAND_HELPER" ; then
2179 # OpenSSL only
2180 AC_DEFINE(OPENSSL_PRNG_ONLY, 1,
2181 [Define if you want OpenSSL's internally seeded PRNG only])
2182 RAND_MSG="OpenSSL internal ONLY"
2183 INSTALL_SSH_RAND_HELPER=""
2184elif test ! -z "$USE_RAND_HELPER" ; then
2185 # install rand helper
2186 RAND_MSG="ssh-rand-helper"
2187 INSTALL_SSH_RAND_HELPER="yes"
2188fi
2189AC_SUBST(INSTALL_SSH_RAND_HELPER)
2190
2191### Configuration of ssh-rand-helper
2192
2193# PRNGD TCP socket
2194AC_ARG_WITH(prngd-port,
2195 [ --with-prngd-port=PORT read entropy from PRNGD/EGD TCP localhost:PORT],
2196 [
2197 case "$withval" in
2198 no)
2199 withval=""
2200 ;;
2201 [[0-9]]*)
2202 ;;
2203 *)
2204 AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
2205 ;;
2206 esac
2207 if test ! -z "$withval" ; then
2208 PRNGD_PORT="$withval"
2209 AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT,
2210 [Port number of PRNGD/EGD random number socket])
2211 fi
2212 ]
2213)
2214
2215# PRNGD Unix domain socket
2216AC_ARG_WITH(prngd-socket,
2217 [ --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
2218 [
2219 case "$withval" in
2220 yes)
2221 withval="/var/run/egd-pool"
2222 ;;
2223 no)
2224 withval=""
2225 ;;
2226 /*)
2227 ;;
2228 *)
2229 AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
2230 ;;
2231 esac
2232
2233 if test ! -z "$withval" ; then
2234 if test ! -z "$PRNGD_PORT" ; then
2235 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
2236 fi
2237 if test ! -r "$withval" ; then
2238 AC_MSG_WARN(Entropy socket is not readable)
2239 fi
2240 PRNGD_SOCKET="$withval"
2241 AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET",
2242 [Location of PRNGD/EGD random number socket])
2243 fi
2244 ],
2245 [
2246 # Check for existing socket only if we don't have a random device already
2247 if test "$USE_RAND_HELPER" = yes ; then
2248 AC_MSG_CHECKING(for PRNGD/EGD socket)
2249 # Insert other locations here
2250 for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
2251 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
2252 PRNGD_SOCKET="$sock"
2253 AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
2254 break;
2255 fi
2256 done
2257 if test ! -z "$PRNGD_SOCKET" ; then
2258 AC_MSG_RESULT($PRNGD_SOCKET)
2259 else
2260 AC_MSG_RESULT(not found)
2261 fi
2262 fi
2263 ]
2264)
2265
2266# Change default command timeout for hashing entropy source
2267entropy_timeout=200
2268AC_ARG_WITH(entropy-timeout,
2269 [ --with-entropy-timeout Specify entropy gathering command timeout (msec)],
2270 [
2271 if test -n "$withval" && test "x$withval" != "xno" && \
2272 test "x${withval}" != "xyes"; then
2273 entropy_timeout=$withval
2274 fi
2275 ]
2276)
2277AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout,
2278 [Builtin PRNG command timeout])
2279
2280SSH_PRIVSEP_USER=sshd
2281AC_ARG_WITH(privsep-user,
2282 [ --with-privsep-user=user Specify non-privileged user for privilege separation],
2283 [
2284 if test -n "$withval" && test "x$withval" != "xno" && \
2285 test "x${withval}" != "xyes"; then
2286 SSH_PRIVSEP_USER=$withval
2287 fi
2288 ]
2289)
2290AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$SSH_PRIVSEP_USER",
2291 [non-privileged user for privilege separation])
2292AC_SUBST(SSH_PRIVSEP_USER)
2293
2294# We do this little dance with the search path to insure
2295# that programs that we select for use by installed programs
2296# (which may be run by the super-user) come from trusted
2297# locations before they come from the user's private area.
2298# This should help avoid accidentally configuring some
2299# random version of a program in someone's personal bin.
2300
2301OPATH=$PATH
2302PATH=/bin:/usr/bin
2303test -h /bin 2> /dev/null && PATH=/usr/bin
2304test -d /sbin && PATH=$PATH:/sbin
2305test -d /usr/sbin && PATH=$PATH:/usr/sbin
2306PATH=$PATH:/etc:$OPATH
2307
2308# These programs are used by the command hashing source to gather entropy
2309OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
2310OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
2311OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
2312OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
2313OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
2314OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
2315OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
2316OSSH_PATH_ENTROPY_PROG(PROG_W, w)
2317OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
2318OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
2319OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
2320OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
2321OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
2322OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
2323OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
2324OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
2325# restore PATH
2326PATH=$OPATH
2327
2328# Where does ssh-rand-helper get its randomness from?
2329INSTALL_SSH_PRNG_CMDS=""
2330if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
2331 if test ! -z "$PRNGD_PORT" ; then
2332 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
2333 elif test ! -z "$PRNGD_SOCKET" ; then
2334 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
2335 else
2336 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
2337 RAND_HELPER_CMDHASH=yes
2338 INSTALL_SSH_PRNG_CMDS="yes"
2339 fi
2340fi
2341AC_SUBST(INSTALL_SSH_PRNG_CMDS)
2342
2343
2344# Cheap hack to ensure NEWS-OS libraries are arranged right.
2345if test ! -z "$SONY" ; then
2346 LIBS="$LIBS -liberty";
2347fi
2348
2349# Check for long long datatypes
2350AC_CHECK_TYPES([long long, unsigned long long, long double])
2351
2352# Check datatype sizes
2353AC_CHECK_SIZEOF(char, 1)
2354AC_CHECK_SIZEOF(short int, 2)
2355AC_CHECK_SIZEOF(int, 4)
2356AC_CHECK_SIZEOF(long int, 4)
2357AC_CHECK_SIZEOF(long long int, 8)
2358
2359# Sanity check long long for some platforms (AIX)
2360if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
2361 ac_cv_sizeof_long_long_int=0
2362fi
2363
2364# compute LLONG_MIN and LLONG_MAX if we don't know them.
2365if test -z "$have_llong_max"; then
2366 AC_MSG_CHECKING([for max value of long long])
2367 AC_RUN_IFELSE(
2368 [AC_LANG_SOURCE([[
2369#include <stdio.h>
2370/* Why is this so damn hard? */
2371#ifdef __GNUC__
2372# undef __GNUC__
2373#endif
2374#define __USE_ISOC99
2375#include <limits.h>
2376#define DATA "conftest.llminmax"
2377#define my_abs(a) ((a) < 0 ? ((a) * -1) : (a))
2378
2379/*
2380 * printf in libc on some platforms (eg old Tru64) does not understand %lld so
2381 * we do this the hard way.
2382 */
2383static int
2384fprint_ll(FILE *f, long long n)
2385{
2386 unsigned int i;
2387 int l[sizeof(long long) * 8];
2388
2389 if (n < 0)
2390 if (fprintf(f, "-") < 0)
2391 return -1;
2392 for (i = 0; n != 0; i++) {
2393 l[i] = my_abs(n % 10);
2394 n /= 10;
2395 }
2396 do {
2397 if (fprintf(f, "%d", l[--i]) < 0)
2398 return -1;
2399 } while (i != 0);
2400 if (fprintf(f, " ") < 0)
2401 return -1;
2402 return 0;
2403}
2404
2405int main(void) {
2406 FILE *f;
2407 long long i, llmin, llmax = 0;
2408
2409 if((f = fopen(DATA,"w")) == NULL)
2410 exit(1);
2411
2412#if defined(LLONG_MIN) && defined(LLONG_MAX)
2413 fprintf(stderr, "Using system header for LLONG_MIN and LLONG_MAX\n");
2414 llmin = LLONG_MIN;
2415 llmax = LLONG_MAX;
2416#else
2417 fprintf(stderr, "Calculating LLONG_MIN and LLONG_MAX\n");
2418 /* This will work on one's complement and two's complement */
2419 for (i = 1; i > llmax; i <<= 1, i++)
2420 llmax = i;
2421 llmin = llmax + 1LL; /* wrap */
2422#endif
2423
2424 /* Sanity check */
2425 if (llmin + 1 < llmin || llmin - 1 < llmin || llmax + 1 > llmax
2426 || llmax - 1 > llmax || llmin == llmax || llmin == 0
2427 || llmax == 0 || llmax < LONG_MAX || llmin > LONG_MIN) {
2428 fprintf(f, "unknown unknown\n");
2429 exit(2);
2430 }
2431
2432 if (fprint_ll(f, llmin) < 0)
2433 exit(3);
2434 if (fprint_ll(f, llmax) < 0)
2435 exit(4);
2436 if (fclose(f) < 0)
2437 exit(5);
2438 exit(0);
2439}
2440 ]])],
2441 [
2442 llong_min=`$AWK '{print $1}' conftest.llminmax`
2443 llong_max=`$AWK '{print $2}' conftest.llminmax`
2444
2445 AC_MSG_RESULT($llong_max)
2446 AC_DEFINE_UNQUOTED(LLONG_MAX, [${llong_max}LL],
2447 [max value of long long calculated by configure])
2448 AC_MSG_CHECKING([for min value of long long])
2449 AC_MSG_RESULT($llong_min)
2450 AC_DEFINE_UNQUOTED(LLONG_MIN, [${llong_min}LL],
2451 [min value of long long calculated by configure])
2452 ],
2453 [
2454 AC_MSG_RESULT(not found)
2455 ],
2456 [
2457 AC_MSG_WARN([cross compiling: not checking])
2458 ]
2459 )
2460fi
2461
2462
2463# More checks for data types
2464AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
2465 AC_TRY_COMPILE(
2466 [ #include <sys/types.h> ],
2467 [ u_int a; a = 1;],
2468 [ ac_cv_have_u_int="yes" ],
2469 [ ac_cv_have_u_int="no" ]
2470 )
2471])
2472if test "x$ac_cv_have_u_int" = "xyes" ; then
2473 AC_DEFINE(HAVE_U_INT, 1, [define if you have u_int data type])
2474 have_u_int=1
2475fi
2476
2477AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
2478 AC_TRY_COMPILE(
2479 [ #include <sys/types.h> ],
2480 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
2481 [ ac_cv_have_intxx_t="yes" ],
2482 [ ac_cv_have_intxx_t="no" ]
2483 )
2484])
2485if test "x$ac_cv_have_intxx_t" = "xyes" ; then
2486 AC_DEFINE(HAVE_INTXX_T, 1, [define if you have intxx_t data type])
2487 have_intxx_t=1
2488fi
2489
2490if (test -z "$have_intxx_t" && \
2491 test "x$ac_cv_header_stdint_h" = "xyes")
2492then
2493 AC_MSG_CHECKING([for intXX_t types in stdint.h])
2494 AC_TRY_COMPILE(
2495 [ #include <stdint.h> ],
2496 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
2497 [
2498 AC_DEFINE(HAVE_INTXX_T)
2499 AC_MSG_RESULT(yes)
2500 ],
2501 [ AC_MSG_RESULT(no) ]
2502 )
2503fi
2504
2505AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
2506 AC_TRY_COMPILE(
2507 [
2508#include <sys/types.h>
2509#ifdef HAVE_STDINT_H
2510# include <stdint.h>
2511#endif
2512#include <sys/socket.h>
2513#ifdef HAVE_SYS_BITYPES_H
2514# include <sys/bitypes.h>
2515#endif
2516 ],
2517 [ int64_t a; a = 1;],
2518 [ ac_cv_have_int64_t="yes" ],
2519 [ ac_cv_have_int64_t="no" ]
2520 )
2521])
2522if test "x$ac_cv_have_int64_t" = "xyes" ; then
2523 AC_DEFINE(HAVE_INT64_T, 1, [define if you have int64_t data type])
2524fi
2525
2526AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
2527 AC_TRY_COMPILE(
2528 [ #include <sys/types.h> ],
2529 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
2530 [ ac_cv_have_u_intxx_t="yes" ],
2531 [ ac_cv_have_u_intxx_t="no" ]
2532 )
2533])
2534if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
2535 AC_DEFINE(HAVE_U_INTXX_T, 1, [define if you have u_intxx_t data type])
2536 have_u_intxx_t=1
2537fi
2538
2539if test -z "$have_u_intxx_t" ; then
2540 AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
2541 AC_TRY_COMPILE(
2542 [ #include <sys/socket.h> ],
2543 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
2544 [
2545 AC_DEFINE(HAVE_U_INTXX_T)
2546 AC_MSG_RESULT(yes)
2547 ],
2548 [ AC_MSG_RESULT(no) ]
2549 )
2550fi
2551
2552AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
2553 AC_TRY_COMPILE(
2554 [ #include <sys/types.h> ],
2555 [ u_int64_t a; a = 1;],
2556 [ ac_cv_have_u_int64_t="yes" ],
2557 [ ac_cv_have_u_int64_t="no" ]
2558 )
2559])
2560if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
2561 AC_DEFINE(HAVE_U_INT64_T, 1, [define if you have u_int64_t data type])
2562 have_u_int64_t=1
2563fi
2564
2565if test -z "$have_u_int64_t" ; then
2566 AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
2567 AC_TRY_COMPILE(
2568 [ #include <sys/bitypes.h> ],
2569 [ u_int64_t a; a = 1],
2570 [
2571 AC_DEFINE(HAVE_U_INT64_T)
2572 AC_MSG_RESULT(yes)
2573 ],
2574 [ AC_MSG_RESULT(no) ]
2575 )
2576fi
2577
2578if test -z "$have_u_intxx_t" ; then
2579 AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
2580 AC_TRY_COMPILE(
2581 [
2582#include <sys/types.h>
2583 ],
2584 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
2585 [ ac_cv_have_uintxx_t="yes" ],
2586 [ ac_cv_have_uintxx_t="no" ]
2587 )
2588 ])
2589 if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
2590 AC_DEFINE(HAVE_UINTXX_T, 1,
2591 [define if you have uintxx_t data type])
2592 fi
2593fi
2594
2595if test -z "$have_uintxx_t" ; then
2596 AC_MSG_CHECKING([for uintXX_t types in stdint.h])
2597 AC_TRY_COMPILE(
2598 [ #include <stdint.h> ],
2599 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
2600 [
2601 AC_DEFINE(HAVE_UINTXX_T)
2602 AC_MSG_RESULT(yes)
2603 ],
2604 [ AC_MSG_RESULT(no) ]
2605 )
2606fi
2607
2608if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
2609 test "x$ac_cv_header_sys_bitypes_h" = "xyes")
2610then
2611 AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
2612 AC_TRY_COMPILE(
2613 [
2614#include <sys/bitypes.h>
2615 ],
2616 [
2617 int8_t a; int16_t b; int32_t c;
2618 u_int8_t e; u_int16_t f; u_int32_t g;
2619 a = b = c = e = f = g = 1;
2620 ],
2621 [
2622 AC_DEFINE(HAVE_U_INTXX_T)
2623 AC_DEFINE(HAVE_INTXX_T)
2624 AC_MSG_RESULT(yes)
2625 ],
2626 [AC_MSG_RESULT(no)]
2627 )
2628fi
2629
2630
2631AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
2632 AC_TRY_COMPILE(
2633 [
2634#include <sys/types.h>
2635 ],
2636 [ u_char foo; foo = 125; ],
2637 [ ac_cv_have_u_char="yes" ],
2638 [ ac_cv_have_u_char="no" ]
2639 )
2640])
2641if test "x$ac_cv_have_u_char" = "xyes" ; then
2642 AC_DEFINE(HAVE_U_CHAR, 1, [define if you have u_char data type])
2643fi
2644
2645TYPE_SOCKLEN_T
2646
2647AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
2648
2649AC_CHECK_TYPES(in_addr_t,,,
2650[#include <sys/types.h>
2651#include <netinet/in.h>])
2652
2653AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
2654 AC_TRY_COMPILE(
2655 [
2656#include <sys/types.h>
2657 ],
2658 [ size_t foo; foo = 1235; ],
2659 [ ac_cv_have_size_t="yes" ],
2660 [ ac_cv_have_size_t="no" ]
2661 )
2662])
2663if test "x$ac_cv_have_size_t" = "xyes" ; then
2664 AC_DEFINE(HAVE_SIZE_T, 1, [define if you have size_t data type])
2665fi
2666
2667AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
2668 AC_TRY_COMPILE(
2669 [
2670#include <sys/types.h>
2671 ],
2672 [ ssize_t foo; foo = 1235; ],
2673 [ ac_cv_have_ssize_t="yes" ],
2674 [ ac_cv_have_ssize_t="no" ]
2675 )
2676])
2677if test "x$ac_cv_have_ssize_t" = "xyes" ; then
2678 AC_DEFINE(HAVE_SSIZE_T, 1, [define if you have ssize_t data type])
2679fi
2680
2681AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
2682 AC_TRY_COMPILE(
2683 [
2684#include <time.h>
2685 ],
2686 [ clock_t foo; foo = 1235; ],
2687 [ ac_cv_have_clock_t="yes" ],
2688 [ ac_cv_have_clock_t="no" ]
2689 )
2690])
2691if test "x$ac_cv_have_clock_t" = "xyes" ; then
2692 AC_DEFINE(HAVE_CLOCK_T, 1, [define if you have clock_t data type])
2693fi
2694
2695AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
2696 AC_TRY_COMPILE(
2697 [
2698#include <sys/types.h>
2699#include <sys/socket.h>
2700 ],
2701 [ sa_family_t foo; foo = 1235; ],
2702 [ ac_cv_have_sa_family_t="yes" ],
2703 [ AC_TRY_COMPILE(
2704 [
2705#include <sys/types.h>
2706#include <sys/socket.h>
2707#include <netinet/in.h>
2708 ],
2709 [ sa_family_t foo; foo = 1235; ],
2710 [ ac_cv_have_sa_family_t="yes" ],
2711
2712 [ ac_cv_have_sa_family_t="no" ]
2713 )]
2714 )
2715])
2716if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
2717 AC_DEFINE(HAVE_SA_FAMILY_T, 1,
2718 [define if you have sa_family_t data type])
2719fi
2720
2721AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
2722 AC_TRY_COMPILE(
2723 [
2724#include <sys/types.h>
2725 ],
2726 [ pid_t foo; foo = 1235; ],
2727 [ ac_cv_have_pid_t="yes" ],
2728 [ ac_cv_have_pid_t="no" ]
2729 )
2730])
2731if test "x$ac_cv_have_pid_t" = "xyes" ; then
2732 AC_DEFINE(HAVE_PID_T, 1, [define if you have pid_t data type])
2733fi
2734
2735AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
2736 AC_TRY_COMPILE(
2737 [
2738#include <sys/types.h>
2739 ],
2740 [ mode_t foo; foo = 1235; ],
2741 [ ac_cv_have_mode_t="yes" ],
2742 [ ac_cv_have_mode_t="no" ]
2743 )
2744])
2745if test "x$ac_cv_have_mode_t" = "xyes" ; then
2746 AC_DEFINE(HAVE_MODE_T, 1, [define if you have mode_t data type])
2747fi
2748
2749
2750AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
2751 AC_TRY_COMPILE(
2752 [
2753#include <sys/types.h>
2754#include <sys/socket.h>
2755 ],
2756 [ struct sockaddr_storage s; ],
2757 [ ac_cv_have_struct_sockaddr_storage="yes" ],
2758 [ ac_cv_have_struct_sockaddr_storage="no" ]
2759 )
2760])
2761if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
2762 AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE, 1,
2763 [define if you have struct sockaddr_storage data type])
2764fi
2765
2766AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
2767 AC_TRY_COMPILE(
2768 [
2769#include <sys/types.h>
2770#include <netinet/in.h>
2771 ],
2772 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
2773 [ ac_cv_have_struct_sockaddr_in6="yes" ],
2774 [ ac_cv_have_struct_sockaddr_in6="no" ]
2775 )
2776])
2777if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
2778 AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6, 1,
2779 [define if you have struct sockaddr_in6 data type])
2780fi
2781
2782AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
2783 AC_TRY_COMPILE(
2784 [
2785#include <sys/types.h>
2786#include <netinet/in.h>
2787 ],
2788 [ struct in6_addr s; s.s6_addr[0] = 0; ],
2789 [ ac_cv_have_struct_in6_addr="yes" ],
2790 [ ac_cv_have_struct_in6_addr="no" ]
2791 )
2792])
2793if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
2794 AC_DEFINE(HAVE_STRUCT_IN6_ADDR, 1,
2795 [define if you have struct in6_addr data type])
2796fi
2797
2798AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
2799 AC_TRY_COMPILE(
2800 [
2801#include <sys/types.h>
2802#include <sys/socket.h>
2803#include <netdb.h>
2804 ],
2805 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
2806 [ ac_cv_have_struct_addrinfo="yes" ],
2807 [ ac_cv_have_struct_addrinfo="no" ]
2808 )
2809])
2810if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
2811 AC_DEFINE(HAVE_STRUCT_ADDRINFO, 1,
2812 [define if you have struct addrinfo data type])
2813fi
2814
2815AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
2816 AC_TRY_COMPILE(
2817 [ #include <sys/time.h> ],
2818 [ struct timeval tv; tv.tv_sec = 1;],
2819 [ ac_cv_have_struct_timeval="yes" ],
2820 [ ac_cv_have_struct_timeval="no" ]
2821 )
2822])
2823if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
2824 AC_DEFINE(HAVE_STRUCT_TIMEVAL, 1, [define if you have struct timeval])
2825 have_struct_timeval=1
2826fi
2827
2828AC_CHECK_TYPES(struct timespec)
2829
2830# We need int64_t or else certian parts of the compile will fail.
2831if test "x$ac_cv_have_int64_t" = "xno" && \
2832 test "x$ac_cv_sizeof_long_int" != "x8" && \
2833 test "x$ac_cv_sizeof_long_long_int" = "x0" ; then
2834 echo "OpenSSH requires int64_t support. Contact your vendor or install"
2835 echo "an alternative compiler (I.E., GCC) before continuing."
2836 echo ""
2837 exit 1;
2838else
2839dnl test snprintf (broken on SCO w/gcc)
2840 AC_RUN_IFELSE(
2841 [AC_LANG_SOURCE([[
2842#include <stdio.h>
2843#include <string.h>
2844#ifdef HAVE_SNPRINTF
2845main()
2846{
2847 char buf[50];
2848 char expected_out[50];
2849 int mazsize = 50 ;
2850#if (SIZEOF_LONG_INT == 8)
2851 long int num = 0x7fffffffffffffff;
2852#else
2853 long long num = 0x7fffffffffffffffll;
2854#endif
2855 strcpy(expected_out, "9223372036854775807");
2856 snprintf(buf, mazsize, "%lld", num);
2857 if(strcmp(buf, expected_out) != 0)
2858 exit(1);
2859 exit(0);
2860}
2861#else
2862main() { exit(0); }
2863#endif
2864 ]])], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ],
2865 AC_MSG_WARN([cross compiling: Assuming working snprintf()])
2866 )
2867fi
2868
2869dnl Checks for structure members
2870OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
2871OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
2872OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
2873OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
2874OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
2875OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
2876OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
2877OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
2878OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
2879OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
2880OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
2881OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
2882OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
2883OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
2884OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
2885OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
2886OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
2887
2888AC_CHECK_MEMBERS([struct stat.st_blksize])
2889AC_CHECK_MEMBER([struct __res_state.retrans], [], [AC_DEFINE(__res_state, state,
2890 [Define if we don't have struct __res_state in resolv.h])],
2891[
2892#include <stdio.h>
2893#if HAVE_SYS_TYPES_H
2894# include <sys/types.h>
2895#endif
2896#include <netinet/in.h>
2897#include <arpa/nameser.h>
2898#include <resolv.h>
2899])
2900
2901AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
2902 ac_cv_have_ss_family_in_struct_ss, [
2903 AC_TRY_COMPILE(
2904 [
2905#include <sys/types.h>
2906#include <sys/socket.h>
2907 ],
2908 [ struct sockaddr_storage s; s.ss_family = 1; ],
2909 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
2910 [ ac_cv_have_ss_family_in_struct_ss="no" ],
2911 )
2912])
2913if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
2914 AC_DEFINE(HAVE_SS_FAMILY_IN_SS, 1, [Fields in struct sockaddr_storage])
2915fi
2916
2917AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
2918 ac_cv_have___ss_family_in_struct_ss, [
2919 AC_TRY_COMPILE(
2920 [
2921#include <sys/types.h>
2922#include <sys/socket.h>
2923 ],
2924 [ struct sockaddr_storage s; s.__ss_family = 1; ],
2925 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
2926 [ ac_cv_have___ss_family_in_struct_ss="no" ]
2927 )
2928])
2929if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
2930 AC_DEFINE(HAVE___SS_FAMILY_IN_SS, 1,
2931 [Fields in struct sockaddr_storage])
2932fi
2933
2934AC_CACHE_CHECK([for pw_class field in struct passwd],
2935 ac_cv_have_pw_class_in_struct_passwd, [
2936 AC_TRY_COMPILE(
2937 [
2938#include <pwd.h>
2939 ],
2940 [ struct passwd p; p.pw_class = 0; ],
2941 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
2942 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
2943 )
2944])
2945if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
2946 AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD, 1,
2947 [Define if your password has a pw_class field])
2948fi
2949
2950AC_CACHE_CHECK([for pw_expire field in struct passwd],
2951 ac_cv_have_pw_expire_in_struct_passwd, [
2952 AC_TRY_COMPILE(
2953 [
2954#include <pwd.h>
2955 ],
2956 [ struct passwd p; p.pw_expire = 0; ],
2957 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
2958 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
2959 )
2960])
2961if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
2962 AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD, 1,
2963 [Define if your password has a pw_expire field])
2964fi
2965
2966AC_CACHE_CHECK([for pw_change field in struct passwd],
2967 ac_cv_have_pw_change_in_struct_passwd, [
2968 AC_TRY_COMPILE(
2969 [
2970#include <pwd.h>
2971 ],
2972 [ struct passwd p; p.pw_change = 0; ],
2973 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
2974 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
2975 )
2976])
2977if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
2978 AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD, 1,
2979 [Define if your password has a pw_change field])
2980fi
2981
2982dnl make sure we're using the real structure members and not defines
2983AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
2984 ac_cv_have_accrights_in_msghdr, [
2985 AC_COMPILE_IFELSE(
2986 [
2987#include <sys/types.h>
2988#include <sys/socket.h>
2989#include <sys/uio.h>
2990int main() {
2991#ifdef msg_accrights
2992#error "msg_accrights is a macro"
2993exit(1);
2994#endif
2995struct msghdr m;
2996m.msg_accrights = 0;
2997exit(0);
2998}
2999 ],
3000 [ ac_cv_have_accrights_in_msghdr="yes" ],
3001 [ ac_cv_have_accrights_in_msghdr="no" ]
3002 )
3003])
3004if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
3005 AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR, 1,
3006 [Define if your system uses access rights style
3007 file descriptor passing])
3008fi
3009
3010AC_CACHE_CHECK([for msg_control field in struct msghdr],
3011 ac_cv_have_control_in_msghdr, [
3012 AC_COMPILE_IFELSE(
3013 [
3014#include <sys/types.h>
3015#include <sys/socket.h>
3016#include <sys/uio.h>
3017int main() {
3018#ifdef msg_control
3019#error "msg_control is a macro"
3020exit(1);
3021#endif
3022struct msghdr m;
3023m.msg_control = 0;
3024exit(0);
3025}
3026 ],
3027 [ ac_cv_have_control_in_msghdr="yes" ],
3028 [ ac_cv_have_control_in_msghdr="no" ]
3029 )
3030])
3031if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
3032 AC_DEFINE(HAVE_CONTROL_IN_MSGHDR, 1,
3033 [Define if your system uses ancillary data style
3034 file descriptor passing])
3035fi
3036
3037AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
3038 AC_TRY_LINK([],
3039 [ extern char *__progname; printf("%s", __progname); ],
3040 [ ac_cv_libc_defines___progname="yes" ],
3041 [ ac_cv_libc_defines___progname="no" ]
3042 )
3043])
3044if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
3045 AC_DEFINE(HAVE___PROGNAME, 1, [Define if libc defines __progname])
3046fi
3047
3048AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
3049 AC_TRY_LINK([
3050#include <stdio.h>
3051],
3052 [ printf("%s", __FUNCTION__); ],
3053 [ ac_cv_cc_implements___FUNCTION__="yes" ],
3054 [ ac_cv_cc_implements___FUNCTION__="no" ]
3055 )
3056])
3057if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
3058 AC_DEFINE(HAVE___FUNCTION__, 1,
3059 [Define if compiler implements __FUNCTION__])
3060fi
3061
3062AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
3063 AC_TRY_LINK([
3064#include <stdio.h>
3065],
3066 [ printf("%s", __func__); ],
3067 [ ac_cv_cc_implements___func__="yes" ],
3068 [ ac_cv_cc_implements___func__="no" ]
3069 )
3070])
3071if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
3072 AC_DEFINE(HAVE___func__, 1, [Define if compiler implements __func__])
3073fi
3074
3075AC_CACHE_CHECK([whether va_copy exists], ac_cv_have_va_copy, [
3076 AC_TRY_LINK(
3077 [#include <stdarg.h>
3078 va_list x,y;],
3079 [va_copy(x,y);],
3080 [ ac_cv_have_va_copy="yes" ],
3081 [ ac_cv_have_va_copy="no" ]
3082 )
3083])
3084if test "x$ac_cv_have_va_copy" = "xyes" ; then
3085 AC_DEFINE(HAVE_VA_COPY, 1, [Define if va_copy exists])
3086fi
3087
3088AC_CACHE_CHECK([whether __va_copy exists], ac_cv_have___va_copy, [
3089 AC_TRY_LINK(
3090 [#include <stdarg.h>
3091 va_list x,y;],
3092 [__va_copy(x,y);],
3093 [ ac_cv_have___va_copy="yes" ],
3094 [ ac_cv_have___va_copy="no" ]
3095 )
3096])
3097if test "x$ac_cv_have___va_copy" = "xyes" ; then
3098 AC_DEFINE(HAVE___VA_COPY, 1, [Define if __va_copy exists])
3099fi
3100
3101AC_CACHE_CHECK([whether getopt has optreset support],
3102 ac_cv_have_getopt_optreset, [
3103 AC_TRY_LINK(
3104 [
3105#include <getopt.h>
3106 ],
3107 [ extern int optreset; optreset = 0; ],
3108 [ ac_cv_have_getopt_optreset="yes" ],
3109 [ ac_cv_have_getopt_optreset="no" ]
3110 )
3111])
3112if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
3113 AC_DEFINE(HAVE_GETOPT_OPTRESET, 1,
3114 [Define if your getopt(3) defines and uses optreset])
3115fi
3116
3117AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
3118 AC_TRY_LINK([],
3119 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
3120 [ ac_cv_libc_defines_sys_errlist="yes" ],
3121 [ ac_cv_libc_defines_sys_errlist="no" ]
3122 )
3123])
3124if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
3125 AC_DEFINE(HAVE_SYS_ERRLIST, 1,
3126 [Define if your system defines sys_errlist[]])
3127fi
3128
3129
3130AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
3131 AC_TRY_LINK([],
3132 [ extern int sys_nerr; printf("%i", sys_nerr);],
3133 [ ac_cv_libc_defines_sys_nerr="yes" ],
3134 [ ac_cv_libc_defines_sys_nerr="no" ]
3135 )
3136])
3137if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
3138 AC_DEFINE(HAVE_SYS_NERR, 1, [Define if your system defines sys_nerr])
3139fi
3140
3141SCARD_MSG="no"
3142# Check whether user wants sectok support
3143AC_ARG_WITH(sectok,
3144 [ --with-sectok Enable smartcard support using libsectok],
3145 [
3146 if test "x$withval" != "xno" ; then
3147 if test "x$withval" != "xyes" ; then
3148 CPPFLAGS="$CPPFLAGS -I${withval}"
3149 LDFLAGS="$LDFLAGS -L${withval}"
3150 if test ! -z "$need_dash_r" ; then
3151 LDFLAGS="$LDFLAGS -R${withval}"
3152 fi
3153 if test ! -z "$blibpath" ; then
3154 blibpath="$blibpath:${withval}"
3155 fi
3156 fi
3157 AC_CHECK_HEADERS(sectok.h)
3158 if test "$ac_cv_header_sectok_h" != yes; then
3159 AC_MSG_ERROR(Can't find sectok.h)
3160 fi
3161 AC_CHECK_LIB(sectok, sectok_open)
3162 if test "$ac_cv_lib_sectok_sectok_open" != yes; then
3163 AC_MSG_ERROR(Can't find libsectok)
3164 fi
3165 AC_DEFINE(SMARTCARD, 1,
3166 [Define if you want smartcard support])
3167 AC_DEFINE(USE_SECTOK, 1,
3168 [Define if you want smartcard support
3169 using sectok])
3170 SCARD_MSG="yes, using sectok"
3171 fi
3172 ]
3173)
3174
3175# Check whether user wants OpenSC support
3176OPENSC_CONFIG="no"
3177AC_ARG_WITH(opensc,
3178 [ --with-opensc[[=PFX]] Enable smartcard support using OpenSC (optionally in PATH)],
3179 [
3180 if test "x$withval" != "xno" ; then
3181 if test "x$withval" != "xyes" ; then
3182 OPENSC_CONFIG=$withval/bin/opensc-config
3183 else
3184 AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
3185 fi
3186 if test "$OPENSC_CONFIG" != "no"; then
3187 LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
3188 LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
3189 CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
3190 LIBS="$LIBS $LIBOPENSC_LIBS"
3191 AC_DEFINE(SMARTCARD)
3192 AC_DEFINE(USE_OPENSC, 1,
3193 [Define if you want smartcard support
3194 using OpenSC])
3195 SCARD_MSG="yes, using OpenSC"
3196 fi
3197 fi
3198 ]
3199)
3200
3201# Check libraries needed by DNS fingerprint support
3202AC_SEARCH_LIBS(getrrsetbyname, resolv,
3203 [AC_DEFINE(HAVE_GETRRSETBYNAME, 1,
3204 [Define if getrrsetbyname() exists])],
3205 [
3206 # Needed by our getrrsetbyname()
3207 AC_SEARCH_LIBS(res_query, resolv)
3208 AC_SEARCH_LIBS(dn_expand, resolv)
3209 AC_MSG_CHECKING(if res_query will link)
3210 AC_TRY_LINK_FUNC(res_query, AC_MSG_RESULT(yes),
3211 [AC_MSG_RESULT(no)
3212 saved_LIBS="$LIBS"
3213 LIBS="$LIBS -lresolv"
3214 AC_MSG_CHECKING(for res_query in -lresolv)
3215 AC_LINK_IFELSE([
3216#include <resolv.h>
3217int main()
3218{
3219 res_query (0, 0, 0, 0, 0);
3220 return 0;
3221}
3222 ],
3223 [LIBS="$LIBS -lresolv"
3224 AC_MSG_RESULT(yes)],
3225 [LIBS="$saved_LIBS"
3226 AC_MSG_RESULT(no)])
3227 ])
3228 AC_CHECK_FUNCS(_getshort _getlong)
3229 AC_CHECK_DECLS([_getshort, _getlong], , ,
3230 [#include <sys/types.h>
3231 #include <arpa/nameser.h>])
3232 AC_CHECK_MEMBER(HEADER.ad,
3233 [AC_DEFINE(HAVE_HEADER_AD, 1,
3234 [Define if HEADER.ad exists in arpa/nameser.h])],,
3235 [#include <arpa/nameser.h>])
3236 ])
3237
3238AC_MSG_CHECKING(if struct __res_state _res is an extern)
3239AC_LINK_IFELSE([
3240#include <stdio.h>
3241#if HAVE_SYS_TYPES_H
3242# include <sys/types.h>
3243#endif
3244#include <netinet/in.h>
3245#include <arpa/nameser.h>
3246#include <resolv.h>
3247extern struct __res_state _res;
3248int main() { return 0; }
3249 ],
3250 [AC_MSG_RESULT(yes)
3251 AC_DEFINE(HAVE__RES_EXTERN, 1,
3252 [Define if you have struct __res_state _res as an extern])
3253 ],
3254 [ AC_MSG_RESULT(no) ]
3255)
3256
3257# Check whether user wants SELinux support
3258SELINUX_MSG="no"
3259LIBSELINUX=""
3260AC_ARG_WITH(selinux,
3261 [ --with-selinux Enable SELinux support],
3262 [ if test "x$withval" != "xno" ; then
3263 save_LIBS="$LIBS"
3264 AC_DEFINE(WITH_SELINUX,1,[Define if you want SELinux support.])
3265 SELINUX_MSG="yes"
3266 AC_CHECK_HEADER([selinux/selinux.h], ,
3267 AC_MSG_ERROR(SELinux support requires selinux.h header))
3268 AC_CHECK_LIB(selinux, setexeccon, [ LIBSELINUX="-lselinux" ],
3269 AC_MSG_ERROR(SELinux support requires libselinux library))
3270 SSHDLIBS="$SSHDLIBS $LIBSELINUX"
3271 AC_CHECK_FUNCS(getseuserbyname get_default_context_with_level)
3272 LIBS="$save_LIBS"
3273 fi ]
3274)
3275
3276# Check whether user wants Kerberos 5 support
3277KRB5_MSG="no"
3278AC_ARG_WITH(kerberos5,
3279 [ --with-kerberos5=PATH Enable Kerberos 5 support],
3280 [ if test "x$withval" != "xno" ; then
3281 if test "x$withval" = "xyes" ; then
3282 KRB5ROOT="/usr/local"
3283 else
3284 KRB5ROOT=${withval}
3285 fi
3286
3287 AC_DEFINE(KRB5, 1, [Define if you want Kerberos 5 support])
3288 KRB5_MSG="yes"
3289
3290 AC_MSG_CHECKING(for krb5-config)
3291 if test -x $KRB5ROOT/bin/krb5-config ; then
3292 KRB5CONF=$KRB5ROOT/bin/krb5-config
3293 AC_MSG_RESULT($KRB5CONF)
3294
3295 AC_MSG_CHECKING(for gssapi support)
3296 if $KRB5CONF | grep gssapi >/dev/null ; then
3297 AC_MSG_RESULT(yes)
3298 AC_DEFINE(GSSAPI, 1,
3299 [Define this if you want GSSAPI
3300 support in the version 2 protocol])
3301 k5confopts=gssapi
3302 else
3303 AC_MSG_RESULT(no)
3304 k5confopts=""
3305 fi
3306 K5CFLAGS="`$KRB5CONF --cflags $k5confopts`"
3307 K5LIBS="`$KRB5CONF --libs $k5confopts`"
3308 CPPFLAGS="$CPPFLAGS $K5CFLAGS"
3309 AC_MSG_CHECKING(whether we are using Heimdal)
3310 AC_TRY_COMPILE([ #include <krb5.h> ],
3311 [ char *tmp = heimdal_version; ],
3312 [ AC_MSG_RESULT(yes)
3313 AC_DEFINE(HEIMDAL, 1,
3314 [Define this if you are using the
3315 Heimdal version of Kerberos V5]) ],
3316 AC_MSG_RESULT(no)
3317 )
3318 else
3319 AC_MSG_RESULT(no)
3320 CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
3321 LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
3322 AC_MSG_CHECKING(whether we are using Heimdal)
3323 AC_TRY_COMPILE([ #include <krb5.h> ],
3324 [ char *tmp = heimdal_version; ],
3325 [ AC_MSG_RESULT(yes)
3326 AC_DEFINE(HEIMDAL)
3327 K5LIBS="-lkrb5 -ldes"
3328 K5LIBS="$K5LIBS -lcom_err -lasn1"
3329 AC_CHECK_LIB(roken, net_write,
3330 [K5LIBS="$K5LIBS -lroken"])
3331 ],
3332 [ AC_MSG_RESULT(no)
3333 K5LIBS="-lkrb5 -lk5crypto -lcom_err"
3334 ]
3335 )
3336 AC_SEARCH_LIBS(dn_expand, resolv)
3337
3338 AC_CHECK_LIB(gssapi,gss_init_sec_context,
3339 [ AC_DEFINE(GSSAPI)
3340 K5LIBS="-lgssapi $K5LIBS" ],
3341 [ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
3342 [ AC_DEFINE(GSSAPI)
3343 K5LIBS="-lgssapi_krb5 $K5LIBS" ],
3344 AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
3345 $K5LIBS)
3346 ],
3347 $K5LIBS)
3348
3349 AC_CHECK_HEADER(gssapi.h, ,
3350 [ unset ac_cv_header_gssapi_h
3351 CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
3352 AC_CHECK_HEADERS(gssapi.h, ,
3353 AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
3354 )
3355 ]
3356 )
3357
3358 oldCPP="$CPPFLAGS"
3359 CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
3360 AC_CHECK_HEADER(gssapi_krb5.h, ,
3361 [ CPPFLAGS="$oldCPP" ])
3362
3363 fi
3364 if test ! -z "$need_dash_r" ; then
3365 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
3366 fi
3367 if test ! -z "$blibpath" ; then
3368 blibpath="$blibpath:${KRB5ROOT}/lib"
3369 fi
3370
3371 AC_CHECK_HEADERS(gssapi.h gssapi/gssapi.h)
3372 AC_CHECK_HEADERS(gssapi_krb5.h gssapi/gssapi_krb5.h)
3373 AC_CHECK_HEADERS(gssapi_generic.h gssapi/gssapi_generic.h)
3374
3375 LIBS="$LIBS $K5LIBS"
3376 AC_SEARCH_LIBS(k_hasafs, kafs, AC_DEFINE(USE_AFS, 1,
3377 [Define this if you want to use libkafs' AFS support]))
3378 fi
3379 ]
3380)
3381
3382# Looking for programs, paths and files
3383
3384PRIVSEP_PATH=/var/empty
3385AC_ARG_WITH(privsep-path,
3386 [ --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)],
3387 [
3388 if test -n "$withval" && test "x$withval" != "xno" && \
3389 test "x${withval}" != "xyes"; then
3390 PRIVSEP_PATH=$withval
3391 fi
3392 ]
3393)
3394AC_SUBST(PRIVSEP_PATH)
3395
3396AC_ARG_WITH(xauth,
3397 [ --with-xauth=PATH Specify path to xauth program ],
3398 [
3399 if test -n "$withval" && test "x$withval" != "xno" && \
3400 test "x${withval}" != "xyes"; then
3401 xauth_path=$withval
3402 fi
3403 ],
3404 [
3405 TestPath="$PATH"
3406 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X/bin"
3407 TestPath="${TestPath}${PATH_SEPARATOR}/usr/bin/X11"
3408 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X11R6/bin"
3409 TestPath="${TestPath}${PATH_SEPARATOR}/usr/openwin/bin"
3410 AC_PATH_PROG(xauth_path, xauth, , $TestPath)
3411 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
3412 xauth_path="/usr/openwin/bin/xauth"
3413 fi
3414 ]
3415)
3416
3417STRIP_OPT=-s
3418AC_ARG_ENABLE(strip,
3419 [ --disable-strip Disable calling strip(1) on install],
3420 [
3421 if test "x$enableval" = "xno" ; then
3422 STRIP_OPT=
3423 fi
3424 ]
3425)
3426AC_SUBST(STRIP_OPT)
3427
3428if test -z "$xauth_path" ; then
3429 XAUTH_PATH="undefined"
3430 AC_SUBST(XAUTH_PATH)
3431else
3432 AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path",
3433 [Define if xauth is found in your path])
3434 XAUTH_PATH=$xauth_path
3435 AC_SUBST(XAUTH_PATH)
3436fi
3437
3438# Check for mail directory (last resort if we cannot get it from headers)
3439if test ! -z "$MAIL" ; then
3440 maildir=`dirname $MAIL`
3441 AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir",
3442 [Set this to your mail directory if you don't have maillock.h])
3443fi
3444
3445if test ! -z "$cross_compiling" && test "x$cross_compiling" = "xyes"; then
3446 AC_MSG_WARN([cross compiling: Disabling /dev/ptmx test])
3447 disable_ptmx_check=yes
3448fi
3449if test -z "$no_dev_ptmx" ; then
3450 if test "x$disable_ptmx_check" != "xyes" ; then
3451 AC_CHECK_FILE("/dev/ptmx",
3452 [
3453 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX, 1,
3454 [Define if you have /dev/ptmx])
3455 have_dev_ptmx=1
3456 ]
3457 )
3458 fi
3459fi
3460
3461if test ! -z "$cross_compiling" && test "x$cross_compiling" != "xyes"; then
3462 AC_CHECK_FILE("/dev/ptc",
3463 [
3464 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC, 1,
3465 [Define if you have /dev/ptc])
3466 have_dev_ptc=1
3467 ]
3468 )
3469else
3470 AC_MSG_WARN([cross compiling: Disabling /dev/ptc test])
3471fi
3472
3473# Options from here on. Some of these are preset by platform above
3474AC_ARG_WITH(mantype,
3475 [ --with-mantype=man|cat|doc Set man page type],
3476 [
3477 case "$withval" in
3478 man|cat|doc)
3479 MANTYPE=$withval
3480 ;;
3481 *)
3482 AC_MSG_ERROR(invalid man type: $withval)
3483 ;;
3484 esac
3485 ]
3486)
3487if test -z "$MANTYPE"; then
3488 TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb"
3489 AC_PATH_PROGS(NROFF, nroff awf, /bin/false, $TestPath)
3490 if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
3491 MANTYPE=doc
3492 elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
3493 MANTYPE=man
3494 else
3495 MANTYPE=cat
3496 fi
3497fi
3498AC_SUBST(MANTYPE)
3499if test "$MANTYPE" = "doc"; then
3500 mansubdir=man;
3501else
3502 mansubdir=$MANTYPE;
3503fi
3504AC_SUBST(mansubdir)
3505
3506# Check whether to enable MD5 passwords
3507MD5_MSG="no"
3508AC_ARG_WITH(md5-passwords,
3509 [ --with-md5-passwords Enable use of MD5 passwords],
3510 [
3511 if test "x$withval" != "xno" ; then
3512 AC_DEFINE(HAVE_MD5_PASSWORDS, 1,
3513 [Define if you want to allow MD5 passwords])
3514 MD5_MSG="yes"
3515 fi
3516 ]
3517)
3518
3519# Whether to disable shadow password support
3520AC_ARG_WITH(shadow,
3521 [ --without-shadow Disable shadow password support],
3522 [
3523 if test "x$withval" = "xno" ; then
3524 AC_DEFINE(DISABLE_SHADOW)
3525 disable_shadow=yes
3526 fi
3527 ]
3528)
3529
3530if test -z "$disable_shadow" ; then
3531 AC_MSG_CHECKING([if the systems has expire shadow information])
3532 AC_TRY_COMPILE(
3533 [
3534#include <sys/types.h>
3535#include <shadow.h>
3536 struct spwd sp;
3537 ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
3538 [ sp_expire_available=yes ], []
3539 )
3540
3541 if test "x$sp_expire_available" = "xyes" ; then
3542 AC_MSG_RESULT(yes)
3543 AC_DEFINE(HAS_SHADOW_EXPIRE, 1,
3544 [Define if you want to use shadow password expire field])
3545 else
3546 AC_MSG_RESULT(no)
3547 fi
3548fi
3549
3550# Use ip address instead of hostname in $DISPLAY
3551if test ! -z "$IPADDR_IN_DISPLAY" ; then
3552 DISPLAY_HACK_MSG="yes"
3553 AC_DEFINE(IPADDR_IN_DISPLAY, 1,
3554 [Define if you need to use IP address
3555 instead of hostname in $DISPLAY])
3556else
3557 DISPLAY_HACK_MSG="no"
3558 AC_ARG_WITH(ipaddr-display,
3559 [ --with-ipaddr-display Use ip address instead of hostname in \$DISPLAY],
3560 [
3561 if test "x$withval" != "xno" ; then
3562 AC_DEFINE(IPADDR_IN_DISPLAY)
3563 DISPLAY_HACK_MSG="yes"
3564 fi
3565 ]
3566 )
3567fi
3568
3569# check for /etc/default/login and use it if present.
3570AC_ARG_ENABLE(etc-default-login,
3571 [ --disable-etc-default-login Disable using PATH from /etc/default/login [no]],
3572 [ if test "x$enableval" = "xno"; then
3573 AC_MSG_NOTICE([/etc/default/login handling disabled])
3574 etc_default_login=no
3575 else
3576 etc_default_login=yes
3577 fi ],
3578 [ if test ! -z "$cross_compiling" && test "x$cross_compiling" = "xyes";
3579 then
3580 AC_MSG_WARN([cross compiling: not checking /etc/default/login])
3581 etc_default_login=no
3582 else
3583 etc_default_login=yes
3584 fi ]
3585)
3586
3587if test "x$etc_default_login" != "xno"; then
3588 AC_CHECK_FILE("/etc/default/login",
3589 [ external_path_file=/etc/default/login ])
3590 if test "x$external_path_file" = "x/etc/default/login"; then
3591 AC_DEFINE(HAVE_ETC_DEFAULT_LOGIN, 1,
3592 [Define if your system has /etc/default/login])
3593 fi
3594fi
3595
3596dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
3597if test $ac_cv_func_login_getcapbool = "yes" && \
3598 test $ac_cv_header_login_cap_h = "yes" ; then
3599 external_path_file=/etc/login.conf
3600fi
3601
3602# Whether to mess with the default path
3603SERVER_PATH_MSG="(default)"
3604AC_ARG_WITH(default-path,
3605 [ --with-default-path= Specify default \$PATH environment for server],
3606 [
3607 if test "x$external_path_file" = "x/etc/login.conf" ; then
3608 AC_MSG_WARN([
3609--with-default-path=PATH has no effect on this system.
3610Edit /etc/login.conf instead.])
3611 elif test "x$withval" != "xno" ; then
3612 if test ! -z "$external_path_file" ; then
3613 AC_MSG_WARN([
3614--with-default-path=PATH will only be used if PATH is not defined in
3615$external_path_file .])
3616 fi
3617 user_path="$withval"
3618 SERVER_PATH_MSG="$withval"
3619 fi
3620 ],
3621 [ if test "x$external_path_file" = "x/etc/login.conf" ; then
3622 AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
3623 else
3624 if test ! -z "$external_path_file" ; then
3625 AC_MSG_WARN([
3626If PATH is defined in $external_path_file, ensure the path to scp is included,
3627otherwise scp will not work.])
3628 fi
3629 AC_RUN_IFELSE(
3630 [AC_LANG_SOURCE([[
3631/* find out what STDPATH is */
3632#include <stdio.h>
3633#ifdef HAVE_PATHS_H
3634# include <paths.h>
3635#endif
3636#ifndef _PATH_STDPATH
3637# ifdef _PATH_USERPATH /* Irix */
3638# define _PATH_STDPATH _PATH_USERPATH
3639# else
3640# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
3641# endif
3642#endif
3643#include <sys/types.h>
3644#include <sys/stat.h>
3645#include <fcntl.h>
3646#define DATA "conftest.stdpath"
3647
3648main()
3649{
3650 FILE *fd;
3651 int rc;
3652
3653 fd = fopen(DATA,"w");
3654 if(fd == NULL)
3655 exit(1);
3656
3657 if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
3658 exit(1);
3659
3660 exit(0);
3661}
3662 ]])],
3663 [ user_path=`cat conftest.stdpath` ],
3664 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
3665 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
3666 )
3667# make sure $bindir is in USER_PATH so scp will work
3668 t_bindir=`eval echo ${bindir}`
3669 case $t_bindir in
3670 NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
3671 esac
3672 case $t_bindir in
3673 NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
3674 esac
3675 echo $user_path | grep ":$t_bindir" > /dev/null 2>&1
3676 if test $? -ne 0 ; then
3677 echo $user_path | grep "^$t_bindir" > /dev/null 2>&1
3678 if test $? -ne 0 ; then
3679 user_path=$user_path:$t_bindir
3680 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
3681 fi
3682 fi
3683 fi ]
3684)
3685if test "x$external_path_file" != "x/etc/login.conf" ; then
3686 AC_DEFINE_UNQUOTED(USER_PATH, "$user_path", [Specify default $PATH])
3687 AC_SUBST(user_path)
3688fi
3689
3690# Set superuser path separately to user path
3691AC_ARG_WITH(superuser-path,
3692 [ --with-superuser-path= Specify different path for super-user],
3693 [
3694 if test -n "$withval" && test "x$withval" != "xno" && \
3695 test "x${withval}" != "xyes"; then
3696 AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval",
3697 [Define if you want a different $PATH
3698 for the superuser])
3699 superuser_path=$withval
3700 fi
3701 ]
3702)
3703
3704
3705AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
3706IPV4_IN6_HACK_MSG="no"
3707AC_ARG_WITH(4in6,
3708 [ --with-4in6 Check for and convert IPv4 in IPv6 mapped addresses],
3709 [
3710 if test "x$withval" != "xno" ; then
3711 AC_MSG_RESULT(yes)
3712 AC_DEFINE(IPV4_IN_IPV6, 1,
3713 [Detect IPv4 in IPv6 mapped addresses
3714 and treat as IPv4])
3715 IPV4_IN6_HACK_MSG="yes"
3716 else
3717 AC_MSG_RESULT(no)
3718 fi
3719 ],[
3720 if test "x$inet6_default_4in6" = "xyes"; then
3721 AC_MSG_RESULT([yes (default)])
3722 AC_DEFINE(IPV4_IN_IPV6)
3723 IPV4_IN6_HACK_MSG="yes"
3724 else
3725 AC_MSG_RESULT([no (default)])
3726 fi
3727 ]
3728)
3729
3730# Whether to enable BSD auth support
3731BSD_AUTH_MSG=no
3732AC_ARG_WITH(bsd-auth,
3733 [ --with-bsd-auth Enable BSD auth support],
3734 [
3735 if test "x$withval" != "xno" ; then
3736 AC_DEFINE(BSD_AUTH, 1,
3737 [Define if you have BSD auth support])
3738 BSD_AUTH_MSG=yes
3739 fi
3740 ]
3741)
3742
3743# Where to place sshd.pid
3744piddir=/var/run
3745# make sure the directory exists
3746if test ! -d $piddir ; then
3747 piddir=`eval echo ${sysconfdir}`
3748 case $piddir in
3749 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
3750 esac
3751fi
3752
3753AC_ARG_WITH(pid-dir,
3754 [ --with-pid-dir=PATH Specify location of ssh.pid file],
3755 [
3756 if test -n "$withval" && test "x$withval" != "xno" && \
3757 test "x${withval}" != "xyes"; then
3758 piddir=$withval
3759 if test ! -d $piddir ; then
3760 AC_MSG_WARN([** no $piddir directory on this system **])
3761 fi
3762 fi
3763 ]
3764)
3765
3766AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir", [Specify location of ssh.pid])
3767AC_SUBST(piddir)
3768
3769dnl allow user to disable some login recording features
3770AC_ARG_ENABLE(lastlog,
3771 [ --disable-lastlog disable use of lastlog even if detected [no]],
3772 [
3773 if test "x$enableval" = "xno" ; then
3774 AC_DEFINE(DISABLE_LASTLOG)
3775 fi
3776 ]
3777)
3778AC_ARG_ENABLE(utmp,
3779 [ --disable-utmp disable use of utmp even if detected [no]],
3780 [
3781 if test "x$enableval" = "xno" ; then
3782 AC_DEFINE(DISABLE_UTMP)
3783 fi
3784 ]
3785)
3786AC_ARG_ENABLE(utmpx,
3787 [ --disable-utmpx disable use of utmpx even if detected [no]],
3788 [
3789 if test "x$enableval" = "xno" ; then
3790 AC_DEFINE(DISABLE_UTMPX, 1,
3791 [Define if you don't want to use utmpx])
3792 fi
3793 ]
3794)
3795AC_ARG_ENABLE(wtmp,
3796 [ --disable-wtmp disable use of wtmp even if detected [no]],
3797 [
3798 if test "x$enableval" = "xno" ; then
3799 AC_DEFINE(DISABLE_WTMP)
3800 fi
3801 ]
3802)
3803AC_ARG_ENABLE(wtmpx,
3804 [ --disable-wtmpx disable use of wtmpx even if detected [no]],
3805 [
3806 if test "x$enableval" = "xno" ; then
3807 AC_DEFINE(DISABLE_WTMPX, 1,
3808 [Define if you don't want to use wtmpx])
3809 fi
3810 ]
3811)
3812AC_ARG_ENABLE(libutil,
3813 [ --disable-libutil disable use of libutil (login() etc.) [no]],
3814 [
3815 if test "x$enableval" = "xno" ; then
3816 AC_DEFINE(DISABLE_LOGIN)
3817 fi
3818 ]
3819)
3820AC_ARG_ENABLE(pututline,
3821 [ --disable-pututline disable use of pututline() etc. ([uw]tmp) [no]],
3822 [
3823 if test "x$enableval" = "xno" ; then
3824 AC_DEFINE(DISABLE_PUTUTLINE, 1,
3825 [Define if you don't want to use pututline()
3826 etc. to write [uw]tmp])
3827 fi
3828 ]
3829)
3830AC_ARG_ENABLE(pututxline,
3831 [ --disable-pututxline disable use of pututxline() etc. ([uw]tmpx) [no]],
3832 [
3833 if test "x$enableval" = "xno" ; then
3834 AC_DEFINE(DISABLE_PUTUTXLINE, 1,
3835 [Define if you don't want to use pututxline()
3836 etc. to write [uw]tmpx])
3837 fi
3838 ]
3839)
3840AC_ARG_WITH(lastlog,
3841 [ --with-lastlog=FILE|DIR specify lastlog location [common locations]],
3842 [
3843 if test "x$withval" = "xno" ; then
3844 AC_DEFINE(DISABLE_LASTLOG)
3845 elif test -n "$withval" && test "x${withval}" != "xyes"; then
3846 conf_lastlog_location=$withval
3847 fi
3848 ]
3849)
3850
3851dnl lastlog, [uw]tmpx? detection
3852dnl NOTE: set the paths in the platform section to avoid the
3853dnl need for command-line parameters
3854dnl lastlog and [uw]tmp are subject to a file search if all else fails
3855
3856dnl lastlog detection
3857dnl NOTE: the code itself will detect if lastlog is a directory
3858AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
3859AC_TRY_COMPILE([
3860#include <sys/types.h>
3861#include <utmp.h>
3862#ifdef HAVE_LASTLOG_H
3863# include <lastlog.h>
3864#endif
3865#ifdef HAVE_PATHS_H
3866# include <paths.h>
3867#endif
3868#ifdef HAVE_LOGIN_H
3869# include <login.h>
3870#endif
3871 ],
3872 [ char *lastlog = LASTLOG_FILE; ],
3873 [ AC_MSG_RESULT(yes) ],
3874 [
3875 AC_MSG_RESULT(no)
3876 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
3877 AC_TRY_COMPILE([
3878#include <sys/types.h>
3879#include <utmp.h>
3880#ifdef HAVE_LASTLOG_H
3881# include <lastlog.h>
3882#endif
3883#ifdef HAVE_PATHS_H
3884# include <paths.h>
3885#endif
3886 ],
3887 [ char *lastlog = _PATH_LASTLOG; ],
3888 [ AC_MSG_RESULT(yes) ],
3889 [
3890 AC_MSG_RESULT(no)
3891 system_lastlog_path=no
3892 ])
3893 ]
3894)
3895
3896if test -z "$conf_lastlog_location"; then
3897 if test x"$system_lastlog_path" = x"no" ; then
3898 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
3899 if (test -d "$f" || test -f "$f") ; then
3900 conf_lastlog_location=$f
3901 fi
3902 done
3903 if test -z "$conf_lastlog_location"; then
3904 AC_MSG_WARN([** Cannot find lastlog **])
3905 dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
3906 fi
3907 fi
3908fi
3909
3910if test -n "$conf_lastlog_location"; then
3911 AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location",
3912 [Define if you want to specify the path to your lastlog file])
3913fi
3914
3915dnl utmp detection
3916AC_MSG_CHECKING([if your system defines UTMP_FILE])
3917AC_TRY_COMPILE([
3918#include <sys/types.h>
3919#include <utmp.h>
3920#ifdef HAVE_PATHS_H
3921# include <paths.h>
3922#endif
3923 ],
3924 [ char *utmp = UTMP_FILE; ],
3925 [ AC_MSG_RESULT(yes) ],
3926 [ AC_MSG_RESULT(no)
3927 system_utmp_path=no ]
3928)
3929if test -z "$conf_utmp_location"; then
3930 if test x"$system_utmp_path" = x"no" ; then
3931 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
3932 if test -f $f ; then
3933 conf_utmp_location=$f
3934 fi
3935 done
3936 if test -z "$conf_utmp_location"; then
3937 AC_DEFINE(DISABLE_UTMP)
3938 fi
3939 fi
3940fi
3941if test -n "$conf_utmp_location"; then
3942 AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location",
3943 [Define if you want to specify the path to your utmp file])
3944fi
3945
3946dnl wtmp detection
3947AC_MSG_CHECKING([if your system defines WTMP_FILE])
3948AC_TRY_COMPILE([
3949#include <sys/types.h>
3950#include <utmp.h>
3951#ifdef HAVE_PATHS_H
3952# include <paths.h>
3953#endif
3954 ],
3955 [ char *wtmp = WTMP_FILE; ],
3956 [ AC_MSG_RESULT(yes) ],
3957 [ AC_MSG_RESULT(no)
3958 system_wtmp_path=no ]
3959)
3960if test -z "$conf_wtmp_location"; then
3961 if test x"$system_wtmp_path" = x"no" ; then
3962 for f in /usr/adm/wtmp /var/log/wtmp; do
3963 if test -f $f ; then
3964 conf_wtmp_location=$f
3965 fi
3966 done
3967 if test -z "$conf_wtmp_location"; then
3968 AC_DEFINE(DISABLE_WTMP)
3969 fi
3970 fi
3971fi
3972if test -n "$conf_wtmp_location"; then
3973 AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location",
3974 [Define if you want to specify the path to your wtmp file])
3975fi
3976
3977
3978dnl utmpx detection - I don't know any system so perverse as to require
3979dnl utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
3980dnl there, though.
3981AC_MSG_CHECKING([if your system defines UTMPX_FILE])
3982AC_TRY_COMPILE([
3983#include <sys/types.h>
3984#include <utmp.h>
3985#ifdef HAVE_UTMPX_H
3986#include <utmpx.h>
3987#endif
3988#ifdef HAVE_PATHS_H
3989# include <paths.h>
3990#endif
3991 ],
3992 [ char *utmpx = UTMPX_FILE; ],
3993 [ AC_MSG_RESULT(yes) ],
3994 [ AC_MSG_RESULT(no)
3995 system_utmpx_path=no ]
3996)
3997if test -z "$conf_utmpx_location"; then
3998 if test x"$system_utmpx_path" = x"no" ; then
3999 AC_DEFINE(DISABLE_UTMPX)
4000 fi
4001else
4002 AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location",
4003 [Define if you want to specify the path to your utmpx file])
4004fi
4005
4006dnl wtmpx detection
4007AC_MSG_CHECKING([if your system defines WTMPX_FILE])
4008AC_TRY_COMPILE([
4009#include <sys/types.h>
4010#include <utmp.h>
4011#ifdef HAVE_UTMPX_H
4012#include <utmpx.h>
4013#endif
4014#ifdef HAVE_PATHS_H
4015# include <paths.h>
4016#endif
4017 ],
4018 [ char *wtmpx = WTMPX_FILE; ],
4019 [ AC_MSG_RESULT(yes) ],
4020 [ AC_MSG_RESULT(no)
4021 system_wtmpx_path=no ]
4022)
4023if test -z "$conf_wtmpx_location"; then
4024 if test x"$system_wtmpx_path" = x"no" ; then
4025 AC_DEFINE(DISABLE_WTMPX)
4026 fi
4027else
4028 AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location",
4029 [Define if you want to specify the path to your wtmpx file])
4030fi
4031
4032
4033if test ! -z "$blibpath" ; then
4034 LDFLAGS="$LDFLAGS $blibflags$blibpath"
4035 AC_MSG_WARN([Please check and edit blibpath in LDFLAGS in Makefile])
4036fi
4037
4038dnl Adding -Werror to CFLAGS early prevents configure tests from running.
4039dnl Add now.
4040CFLAGS="$CFLAGS $werror_flags"
4041
4042AC_EXEEXT
4043AC_CONFIG_FILES([Makefile buildpkg.sh opensshd.init openssh.xml \
4044 openbsd-compat/Makefile openbsd-compat/regress/Makefile \
4045 scard/Makefile ssh_prng_cmds survey.sh])
4046AC_OUTPUT
4047
4048# Print summary of options
4049
4050# Someone please show me a better way :)
4051A=`eval echo ${prefix}` ; A=`eval echo ${A}`
4052B=`eval echo ${bindir}` ; B=`eval echo ${B}`
4053C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
4054D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
4055E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
4056F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
4057G=`eval echo ${piddir}` ; G=`eval echo ${G}`
4058H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
4059I=`eval echo ${user_path}` ; I=`eval echo ${I}`
4060J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
4061
4062echo ""
4063echo "OpenSSH has been configured with the following options:"
4064echo " User binaries: $B"
4065echo " System binaries: $C"
4066echo " Configuration files: $D"
4067echo " Askpass program: $E"
4068echo " Manual pages: $F"
4069echo " PID file: $G"
4070echo " Privilege separation chroot path: $H"
4071if test "x$external_path_file" = "x/etc/login.conf" ; then
4072echo " At runtime, sshd will use the path defined in $external_path_file"
4073echo " Make sure the path to scp is present, otherwise scp will not work"
4074else
4075echo " sshd default user PATH: $I"
4076 if test ! -z "$external_path_file"; then
4077echo " (If PATH is set in $external_path_file it will be used instead. If"
4078echo " used, ensure the path to scp is present, otherwise scp will not work.)"
4079 fi
4080fi
4081if test ! -z "$superuser_path" ; then
4082echo " sshd superuser user PATH: $J"
4083fi
4084echo " Manpage format: $MANTYPE"
4085echo " PAM support: $PAM_MSG"
4086echo " OSF SIA support: $SIA_MSG"
4087echo " KerberosV support: $KRB5_MSG"
4088echo " SELinux support: $SELINUX_MSG"
4089echo " Smartcard support: $SCARD_MSG"
4090echo " S/KEY support: $SKEY_MSG"
4091echo " TCP Wrappers support: $TCPW_MSG"
4092echo " MD5 password support: $MD5_MSG"
4093echo " libedit support: $LIBEDIT_MSG"
4094echo " Solaris process contract support: $SPC_MSG"
4095echo " IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
4096echo " Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
4097echo " BSD Auth support: $BSD_AUTH_MSG"
4098echo " Random number source: $RAND_MSG"
4099if test ! -z "$USE_RAND_HELPER" ; then
4100echo " ssh-rand-helper collects from: $RAND_HELPER_MSG"
4101fi
4102
4103echo ""
4104
4105echo " Host: ${host}"
4106echo " Compiler: ${CC}"
4107echo " Compiler flags: ${CFLAGS}"
4108echo "Preprocessor flags: ${CPPFLAGS}"
4109echo " Linker flags: ${LDFLAGS}"
4110echo " Libraries: ${LIBS}"
4111if test ! -z "${SSHDLIBS}"; then
4112echo " +for sshd: ${SSHDLIBS}"
4113fi
4114
4115echo ""
4116
4117if test "x$MAKE_PACKAGE_SUPPORTED" = "xyes" ; then
4118 echo "SVR4 style packages are supported with \"make package\""
4119 echo ""
4120fi
4121
4122if test "x$PAM_MSG" = "xyes" ; then
4123 echo "PAM is enabled. You may need to install a PAM control file "
4124 echo "for sshd, otherwise password authentication may fail. "
4125 echo "Example PAM control files can be found in the contrib/ "
4126 echo "subdirectory"
4127 echo ""
4128fi
4129
4130if test ! -z "$RAND_HELPER_CMDHASH" ; then
4131 echo "WARNING: you are using the builtin random number collection "
4132 echo "service. Please read WARNING.RNG and request that your OS "
4133 echo "vendor includes kernel-based random number collection in "
4134 echo "future versions of your OS."
4135 echo ""
4136fi
4137
4138if test ! -z "$NO_PEERCHECK" ; then
4139 echo "WARNING: the operating system that you are using does not"
4140 echo "appear to support getpeereid(), getpeerucred() or the"
4141 echo "SO_PEERCRED getsockopt() option. These facilities are used to"
4142 echo "enforce security checks to prevent unauthorised connections to"
4143 echo "ssh-agent. Their absence increases the risk that a malicious"
4144 echo "user can connect to your agent."
4145 echo ""
4146fi
4147
4148if test "$AUDIT_MODULE" = "bsm" ; then
4149 echo "WARNING: BSM audit support is currently considered EXPERIMENTAL."
4150 echo "See the Solaris section in README.platform for details."
4151fi