configure.ac

   1 # $Id$
   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
  17 AC_INIT(OpenSSH, Portable, openssh-unix-dev@mindrot.org)
  18 AC_CONFIG_SRCDIR([ssh.c])
  19
  20 AC_CONFIG_HEADER(config.h)
  21 AC_PROG_CC
  22 AC_CANONICAL_HOST
  23 AC_C_BIGENDIAN
  24
  25 # Checks for programs.
  26 AC_PROG_AWK
  27 AC_PROG_CPP
  28 AC_PROG_RANLIB
  29 AC_PROG_INSTALL
  30 AC_PATH_PROG(AR, ar)
  31 AC_PATH_PROG(CAT, cat)
  32 AC_PATH_PROG(KILL, kill)
  33 AC_PATH_PROGS(PERL, perl5 perl)
  34 AC_PATH_PROG(SED, sed)
  35 AC_SUBST(PERL)
  36 AC_PATH_PROG(ENT, ent)
  37 AC_SUBST(ENT)
  38 AC_PATH_PROG(TEST_MINUS_S_SH, bash)
  39 AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
  40 AC_PATH_PROG(TEST_MINUS_S_SH, sh)
  41 AC_PATH_PROG(SH, sh)
  42 AC_SUBST(TEST_SHELL,sh)
  43
  44 dnl for buildpkg.sh
  45 AC_PATH_PROG(PATH_GROUPADD_PROG, groupadd, groupadd,
  46         [/usr/sbin${PATH_SEPARATOR}/etc])
  47 AC_PATH_PROG(PATH_USERADD_PROG, useradd, useradd,
  48         [/usr/sbin${PATH_SEPARATOR}/etc])
  49 AC_CHECK_PROG(MAKE_PACKAGE_SUPPORTED, pkgmk, yes, no)
  50
  51 # System features
  52 AC_SYS_LARGEFILE
  53
  54 if test -z "$AR" ; then
  55         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  56 fi
  57
  58 # Use LOGIN_PROGRAM from environment if possible
  59 if test ! -z "$LOGIN_PROGRAM" ; then
  60         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  61 else
  62         # Search for login
  63         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  64         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  65                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  66         fi
  67 fi
  68
  69 AC_PATH_PROG(PATH_PASSWD_PROG, passwd)
  70 if test ! -z "$PATH_PASSWD_PROG" ; then
  71         AC_DEFINE_UNQUOTED(_PATH_PASSWD_PROG, "$PATH_PASSWD_PROG")
  72 fi
  73
  74 if test -z "$LD" ; then
  75         LD=$CC
  76 fi
  77 AC_SUBST(LD)
  78
  79 AC_C_INLINE
  80
  81 AC_CHECK_DECL(LLONG_MAX, have_llong_max=1, , [#include <limits.h>])
  82
  83 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
  84         CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wuninitialized"
  85         GCC_VER=`$CC --version`
  86         case $GCC_VER in
  87                 1.*) ;;
  88                 2.8* | 2.9*) CFLAGS="$CFLAGS -Wsign-compare" ;;
  89                 2.*) ;;
  90                 *) CFLAGS="$CFLAGS -Wsign-compare" ;;
  91         esac
  92
  93         if test -z "$have_llong_max"; then
  94                 # retry LLONG_MAX with -std=gnu99, needed on some Linuxes
  95                 unset ac_cv_have_decl_LLONG_MAX
  96                 saved_CFLAGS="$CFLAGS"
  97                 CFLAGS="$CFLAGS -std=gnu99"
  98                 AC_CHECK_DECL(LLONG_MAX,
  99                     [have_llong_max=1],
 100                     [CFLAGS="$saved_CFLAGS"],
 101                     [#include <limits.h>]
 102                 )
 103         fi
 104 fi
 105
 106 if test -z "$have_llong_max"; then
 107         AC_MSG_CHECKING([for max value of long long])
 108         AC_RUN_IFELSE(
 109                 [AC_LANG_SOURCE([[
 110 #include <stdio.h>
 111 /* Why is this so damn hard? */
 112 #ifdef __GNUC__
 113 # undef __GNUC__
 114 #endif
 115 #define __USE_ISOC99
 116 #include <limits.h>
 117 #define DATA "conftest.llminmax"
 118 int main(void) {
 119         FILE *f;
 120         long long i, llmin, llmax = 0;
 121
 122         if((f = fopen(DATA,"w")) == NULL)
 123                 exit(1);
 124
 125 #if defined(LLONG_MIN) && defined(LLONG_MAX)
 126         fprintf(stderr, "Using system header for LLONG_MIN and LLONG_MAX\n");
 127         llmin = LLONG_MIN;
 128         llmax = LLONG_MAX;
 129 #else
 130         fprintf(stderr, "Calculating  LLONG_MIN and LLONG_MAX\n");
 131         /* This will work on one's complement and two's complement */
 132         for (i = 1; i > llmax; i <<= 1, i++)
 133                 llmax = i;
 134         llmin = llmax + 1LL;    /* wrap */
 135 #endif
 136
 137         /* Sanity check */
 138         if (llmin + 1 < llmin || llmin - 1 < llmin || llmax + 1 > llmax
 139             || llmax - 1 > llmax) {
 140                 fprintf(f, "unknown unknown\n");
 141                 exit(2);
 142         }
 143
 144         if (fprintf(f ,"%lld %lld", llmin, llmax) < 0)
 145                 exit(3);
 146
 147         exit(0);
 148 }
 149                 ]])],
 150                 [
 151                         llong_min=`$AWK '{print $1}' conftest.llminmax`
 152                         llong_max=`$AWK '{print $2}' conftest.llminmax`
 153                         AC_MSG_RESULT($llong_max)
 154                         AC_DEFINE_UNQUOTED(LLONG_MAX, [${llong_max}LL],
 155                             [max value of long long calculated by configure])
 156                         AC_MSG_CHECKING([for min value of long long])
 157                         AC_MSG_RESULT($llong_min)
 158                         AC_DEFINE_UNQUOTED(LLONG_MIN, [${llong_min}LL],
 159                             [min value of long long calculated by configure])
 160                 ],
 161                 [
 162                         AC_MSG_RESULT(not found)
 163                 ],
 164                 [
 165                         AC_MSG_WARN([cross compiling: not checking])
 166                 ]
 167         )
 168 fi
 169
 170 AC_ARG_WITH(rpath,
 171         [  --without-rpath         Disable auto-added -R linker paths],
 172         [
 173                 if test "x$withval" = "xno" ; then
 174                         need_dash_r=""
 175                 fi
 176                 if test "x$withval" = "xyes" ; then
 177                         need_dash_r=1
 178                 fi
 179         ]
 180 )
 181
 182 # Check for some target-specific stuff
 183 case "$host" in
 184 *-*-aix*)
 185         AC_MSG_CHECKING([how to specify blibpath for linker ($LD)])
 186         if (test -z "$blibpath"); then
 187                 blibpath="/usr/lib:/lib"
 188         fi
 189         saved_LDFLAGS="$LDFLAGS"
 190         for tryflags in -blibpath: -Wl,-blibpath: -Wl,-rpath, ;do
 191                 if (test -z "$blibflags"); then
 192                         LDFLAGS="$saved_LDFLAGS $tryflags$blibpath"
 193                         AC_TRY_LINK([], [], [blibflags=$tryflags])
 194                 fi
 195         done
 196         if (test -z "$blibflags"); then
 197                 AC_MSG_RESULT(not found)
 198                 AC_MSG_ERROR([*** must be able to specify blibpath on AIX - check config.log])
 199         else
 200                 AC_MSG_RESULT($blibflags)
 201         fi
 202         LDFLAGS="$saved_LDFLAGS"
 203         dnl Check for authenticate.  Might be in libs.a on older AIXes
 204         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)],
 205                 [AC_CHECK_LIB(s,authenticate,
 206                         [ AC_DEFINE(WITH_AIXAUTHENTICATE)
 207                                 LIBS="$LIBS -ls"
 208                         ])
 209                 ])
 210         dnl Check for various auth function declarations in headers.
 211         AC_CHECK_DECLS([authenticate, loginrestrictions, loginsuccess,
 212             passwdexpired, setauthdb], , , [#include <usersec.h>])
 213         dnl Check if loginfailed is declared and takes 4 arguments (AIX >= 5.2)
 214         AC_CHECK_DECLS(loginfailed,
 215                  [AC_MSG_CHECKING(if loginfailed takes 4 arguments)
 216                   AC_TRY_COMPILE(
 217                         [#include <usersec.h>],
 218                         [(void)loginfailed("user","host","tty",0);],
 219                         [AC_MSG_RESULT(yes)
 220                          AC_DEFINE(AIX_LOGINFAILED_4ARG)],
 221                         [AC_MSG_RESULT(no)]
 222                 )],
 223                 [],
 224                 [#include <usersec.h>]
 225         )
 226         AC_CHECK_FUNCS(setauthdb)
 227         check_for_aix_broken_getaddrinfo=1
 228         AC_DEFINE(BROKEN_REALPATH)
 229         AC_DEFINE(SETEUID_BREAKS_SETUID)
 230         AC_DEFINE(BROKEN_SETREUID)
 231         AC_DEFINE(BROKEN_SETREGID)
 232         dnl AIX handles lastlog as part of its login message
 233         AC_DEFINE(DISABLE_LASTLOG)
 234         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 235         AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)
 236         ;;
 237 *-*-cygwin*)
 238         check_for_libcrypt_later=1
 239         LIBS="$LIBS /usr/lib/textmode.o"
 240         AC_DEFINE(HAVE_CYGWIN)
 241         AC_DEFINE(USE_PIPES)
 242         AC_DEFINE(DISABLE_SHADOW)
 243         AC_DEFINE(IP_TOS_IS_BROKEN)
 244         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 245         AC_DEFINE(NO_IPPORT_RESERVED_CONCEPT)
 246         AC_DEFINE(DISABLE_FD_PASSING)
 247         ;;
 248 *-*-dgux*)
 249         AC_DEFINE(IP_TOS_IS_BROKEN)
 250         AC_DEFINE(SETEUID_BREAKS_SETUID)
 251         AC_DEFINE(BROKEN_SETREUID)
 252         AC_DEFINE(BROKEN_SETREGID)
 253         ;;
 254 *-*-darwin*)
 255         AC_MSG_CHECKING(if we have working getaddrinfo)
 256         AC_TRY_RUN([#include <mach-o/dyld.h>
 257 main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
 258                 exit(0);
 259         else
 260                 exit(1);
 261 }], [AC_MSG_RESULT(working)],
 262         [AC_MSG_RESULT(buggy)
 263         AC_DEFINE(BROKEN_GETADDRINFO)],
 264         [AC_MSG_RESULT(assume it is working)])
 265         AC_DEFINE(SETEUID_BREAKS_SETUID)
 266         AC_DEFINE(BROKEN_SETREUID)
 267         AC_DEFINE(BROKEN_SETREGID)
 268         AC_DEFINE_UNQUOTED(BIND_8_COMPAT, 1)
 269         ;;
 270 *-*-hpux*)
 271         # first we define all of the options common to all HP-UX releases
 272         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 273         IPADDR_IN_DISPLAY=yes
 274         AC_DEFINE(USE_PIPES)
 275         AC_DEFINE(LOGIN_NO_ENDOPT)
 276         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 277         AC_DEFINE(LOCKED_PASSWD_STRING, "*")
 278         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 279         LIBS="$LIBS -lsec"
 280         AC_CHECK_LIB(xnet, t_error, ,
 281             AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
 282
 283         # next, we define all of the options specific to major releases
 284         case "$host" in
 285         *-*-hpux10*)
 286                 if test -z "$GCC"; then
 287                         CFLAGS="$CFLAGS -Ae"
 288                 fi
 289                 ;;
 290         *-*-hpux11*)
 291                 AC_DEFINE(PAM_SUN_CODEBASE)
 292                 AC_DEFINE(DISABLE_UTMP)
 293                 AC_DEFINE(USE_BTMP, 1, [Use btmp to log bad logins])
 294                 check_for_hpux_broken_getaddrinfo=1
 295                 check_for_conflicting_getspnam=1
 296                 ;;
 297         esac
 298
 299         # lastly, we define options specific to minor releases
 300         case "$host" in
 301         *-*-hpux10.26)
 302                 AC_DEFINE(HAVE_SECUREWARE)
 303                 disable_ptmx_check=yes
 304                 LIBS="$LIBS -lsecpw"
 305                 ;;
 306         esac
 307         ;;
 308 *-*-irix5*)
 309         PATH="$PATH:/usr/etc"
 310         AC_DEFINE(BROKEN_INET_NTOA)
 311         AC_DEFINE(SETEUID_BREAKS_SETUID)
 312         AC_DEFINE(BROKEN_SETREUID)
 313         AC_DEFINE(BROKEN_SETREGID)
 314         AC_DEFINE(WITH_ABBREV_NO_TTY)
 315         AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
 316         ;;
 317 *-*-irix6*)
 318         PATH="$PATH:/usr/etc"
 319         AC_DEFINE(WITH_IRIX_ARRAY)
 320         AC_DEFINE(WITH_IRIX_PROJECT)
 321         AC_DEFINE(WITH_IRIX_AUDIT)
 322         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 323         AC_DEFINE(BROKEN_INET_NTOA)
 324         AC_DEFINE(SETEUID_BREAKS_SETUID)
 325         AC_DEFINE(BROKEN_SETREUID)
 326         AC_DEFINE(BROKEN_SETREGID)
 327         AC_DEFINE(BROKEN_UPDWTMPX)
 328         AC_DEFINE(WITH_ABBREV_NO_TTY)
 329         AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
 330         ;;
 331 *-*-linux*)
 332         no_dev_ptmx=1
 333         check_for_libcrypt_later=1
 334         check_for_openpty_ctty_bug=1
 335         AC_DEFINE(DONT_TRY_OTHER_AF)
 336         AC_DEFINE(PAM_TTY_KLUDGE)
 337         AC_DEFINE(LOCKED_PASSWD_PREFIX, "!")
 338         AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)
 339         AC_DEFINE(LINK_OPNOTSUPP_ERRNO, EPERM)
 340         AC_DEFINE(_PATH_BTMP, "/var/log/btmp", [log for bad login attempts])
 341         AC_DEFINE(USE_BTMP, 1, [Use btmp to log bad logins])
 342         inet6_default_4in6=yes
 343         case `uname -r` in
 344         1.*|2.0.*)
 345                 AC_DEFINE(BROKEN_CMSG_TYPE)
 346                 ;;
 347         esac
 348         ;;
 349 mips-sony-bsd|mips-sony-newsos4)
 350         AC_DEFINE(NEED_SETPRGP, [], [Need setpgrp to acquire controlling tty])
 351         SONY=1
 352         ;;
 353 *-*-netbsd*)
 354         check_for_libcrypt_before=1
 355         if test "x$withval" != "xno" ; then
 356                 need_dash_r=1
 357         fi
 358         ;;
 359 *-*-freebsd*)
 360         check_for_libcrypt_later=1
 361         ;;
 362 *-*-bsdi*)
 363         AC_DEFINE(SETEUID_BREAKS_SETUID)
 364         AC_DEFINE(BROKEN_SETREUID)
 365         AC_DEFINE(BROKEN_SETREGID)
 366         ;;
 367 *-next-*)
 368         conf_lastlog_location="/usr/adm/lastlog"
 369         conf_utmp_location=/etc/utmp
 370         conf_wtmp_location=/usr/adm/wtmp
 371         MAIL=/usr/spool/mail
 372         AC_DEFINE(HAVE_NEXT)
 373         AC_DEFINE(BROKEN_REALPATH)
 374         AC_DEFINE(USE_PIPES)
 375         AC_DEFINE(BROKEN_SAVED_UIDS)
 376         ;;
 377 *-*-openbsd*)
 378         AC_DEFINE(HAVE_ATTRIBUTE__SENTINEL__, 1, [OpenBSD's gcc has sentinel])
 379         ;;
 380 *-*-solaris*)
 381         if test "x$withval" != "xno" ; then
 382                 need_dash_r=1
 383         fi
 384         AC_DEFINE(PAM_SUN_CODEBASE)
 385         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 386         AC_DEFINE(LOGIN_NEEDS_TERM)
 387         AC_DEFINE(PAM_TTY_KLUDGE)
 388         AC_DEFINE(SSHPAM_CHAUTHTOK_NEEDS_RUID)
 389         AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
 390         # Pushing STREAMS modules will cause sshd to acquire a controlling tty.
 391         AC_DEFINE(SSHD_ACQUIRES_CTTY)
 392         external_path_file=/etc/default/login
 393         # hardwire lastlog location (can't detect it on some versions)
 394         conf_lastlog_location="/var/adm/lastlog"
 395         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 396         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 397         if test "$sol2ver" -ge 8; then
 398                 AC_MSG_RESULT(yes)
 399                 AC_DEFINE(DISABLE_UTMP)
 400                 AC_DEFINE(DISABLE_WTMP)
 401         else
 402                 AC_MSG_RESULT(no)
 403         fi
 404         ;;
 405 *-*-sunos4*)
 406         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 407         AC_CHECK_FUNCS(getpwanam)
 408         AC_DEFINE(PAM_SUN_CODEBASE)
 409         conf_utmp_location=/etc/utmp
 410         conf_wtmp_location=/var/adm/wtmp
 411         conf_lastlog_location=/var/adm/lastlog
 412         AC_DEFINE(USE_PIPES)
 413         ;;
 414 *-ncr-sysv*)
 415         LIBS="$LIBS -lc89"
 416         AC_DEFINE(USE_PIPES)
 417         AC_DEFINE(SSHD_ACQUIRES_CTTY)
 418         AC_DEFINE(SETEUID_BREAKS_SETUID)
 419         AC_DEFINE(BROKEN_SETREUID)
 420         AC_DEFINE(BROKEN_SETREGID)
 421         ;;
 422 *-sni-sysv*)
 423         # /usr/ucblib MUST NOT be searched on ReliantUNIX
 424         AC_CHECK_LIB(dl, dlsym, ,)
 425         # -lresolv needs to be at then end of LIBS or DNS lookups break
 426         AC_CHECK_LIB(res_query, resolv, [ LIBS="$LIBS -lresolv" ])
 427         IPADDR_IN_DISPLAY=yes
 428         AC_DEFINE(USE_PIPES)
 429         AC_DEFINE(IP_TOS_IS_BROKEN)
 430         AC_DEFINE(SETEUID_BREAKS_SETUID)
 431         AC_DEFINE(BROKEN_SETREUID)
 432         AC_DEFINE(BROKEN_SETREGID)
 433         AC_DEFINE(SSHD_ACQUIRES_CTTY)
 434         external_path_file=/etc/default/login
 435         # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
 436         # Attention: always take care to bind libsocket and libnsl before libc,
 437         # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
 438         ;;
 439 # UnixWare 1.x, UnixWare 2.x, and others based on code from Univel.
 440 *-*-sysv4.2*)
 441         AC_DEFINE(USE_PIPES)
 442         AC_DEFINE(SETEUID_BREAKS_SETUID)
 443         AC_DEFINE(BROKEN_SETREUID)
 444         AC_DEFINE(BROKEN_SETREGID)
 445         AC_DEFINE(PASSWD_NEEDS_USERNAME, 1, [must supply username to passwd])
 446         ;;
 447 # UnixWare 7.x, OpenUNIX 8
 448 *-*-sysv5*)
 449         check_for_libcrypt_later=1
 450         AC_DEFINE(UNIXWARE_LONG_PASSWORDS, 1, [Support passwords > 8 chars])
 451         AC_DEFINE(USE_PIPES)
 452         AC_DEFINE(SETEUID_BREAKS_SETUID)
 453         AC_DEFINE(BROKEN_SETREUID)
 454         AC_DEFINE(BROKEN_SETREGID)
 455         AC_DEFINE(PASSWD_NEEDS_USERNAME, 1, [must supply username to passwd])
 456         case "$host" in
 457         *-*-sysv5SCO_SV*)       # SCO OpenServer 6.x
 458                 TEST_SHELL=/u95/bin/sh
 459                 ;;
 460         esac
 461         ;;
 462 *-*-sysv*)
 463         ;;
 464 # SCO UNIX and OEM versions of SCO UNIX
 465 *-*-sco3.2v4*)
 466         AC_MSG_ERROR("This Platform is no longer supported.")
 467         ;;
 468 # SCO OpenServer 5.x
 469 *-*-sco3.2v5*)
 470         if test -z "$GCC"; then
 471                 CFLAGS="$CFLAGS -belf"
 472         fi
 473         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 474         no_dev_ptmx=1
 475         AC_DEFINE(USE_PIPES)
 476         AC_DEFINE(HAVE_SECUREWARE)
 477         AC_DEFINE(DISABLE_SHADOW)
 478         AC_DEFINE(DISABLE_FD_PASSING)
 479         AC_DEFINE(SETEUID_BREAKS_SETUID)
 480         AC_DEFINE(BROKEN_SETREUID)
 481         AC_DEFINE(BROKEN_SETREGID)
 482         AC_DEFINE(WITH_ABBREV_NO_TTY)
 483         AC_DEFINE(BROKEN_UPDWTMPX)
 484         AC_DEFINE(PASSWD_NEEDS_USERNAME, 1, [must supply username to passwd])
 485         AC_CHECK_FUNCS(getluid setluid)
 486         MANTYPE=man
 487         TEST_SHELL=ksh
 488         ;;
 489 *-*-unicosmk*)
 490         AC_DEFINE(NO_SSH_LASTLOG)
 491         AC_DEFINE(SETEUID_BREAKS_SETUID)
 492         AC_DEFINE(BROKEN_SETREUID)
 493         AC_DEFINE(BROKEN_SETREGID)
 494         AC_DEFINE(USE_PIPES)
 495         AC_DEFINE(DISABLE_FD_PASSING)
 496         LDFLAGS="$LDFLAGS"
 497         LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
 498         MANTYPE=cat
 499         ;;
 500 *-*-unicosmp*)
 501         AC_DEFINE(SETEUID_BREAKS_SETUID)
 502         AC_DEFINE(BROKEN_SETREUID)
 503         AC_DEFINE(BROKEN_SETREGID)
 504         AC_DEFINE(WITH_ABBREV_NO_TTY)
 505         AC_DEFINE(USE_PIPES)
 506         AC_DEFINE(DISABLE_FD_PASSING)
 507         LDFLAGS="$LDFLAGS"
 508         LIBS="$LIBS -lgen -lacid -ldb"
 509         MANTYPE=cat
 510         ;;
 511 *-*-unicos*)
 512         AC_DEFINE(SETEUID_BREAKS_SETUID)
 513         AC_DEFINE(BROKEN_SETREUID)
 514         AC_DEFINE(BROKEN_SETREGID)
 515         AC_DEFINE(USE_PIPES)
 516         AC_DEFINE(DISABLE_FD_PASSING)
 517         AC_DEFINE(NO_SSH_LASTLOG)
 518         LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal"
 519         LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
 520         MANTYPE=cat
 521         ;;
 522 *-dec-osf*)
 523         AC_MSG_CHECKING(for Digital Unix SIA)
 524         no_osfsia=""
 525         AC_ARG_WITH(osfsia,
 526                 [  --with-osfsia           Enable Digital Unix SIA],
 527                 [
 528                         if test "x$withval" = "xno" ; then
 529                                 AC_MSG_RESULT(disabled)
 530                                 no_osfsia=1
 531                         fi
 532                 ],
 533         )
 534         if test -z "$no_osfsia" ; then
 535                 if test -f /etc/sia/matrix.conf; then
 536                         AC_MSG_RESULT(yes)
 537                         AC_DEFINE(HAVE_OSF_SIA)
 538                         AC_DEFINE(DISABLE_LOGIN)
 539                         AC_DEFINE(DISABLE_FD_PASSING)
 540                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 541                 else
 542                         AC_MSG_RESULT(no)
 543                         AC_DEFINE(LOCKED_PASSWD_SUBSTR, "Nologin")
 544                 fi
 545         fi
 546         AC_DEFINE(BROKEN_GETADDRINFO)
 547         AC_DEFINE(SETEUID_BREAKS_SETUID)
 548         AC_DEFINE(BROKEN_SETREUID)
 549         AC_DEFINE(BROKEN_SETREGID)
 550         ;;
 551
 552 *-*-nto-qnx)
 553         AC_DEFINE(USE_PIPES)
 554         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 555         AC_DEFINE(MISSING_NFDBITS)
 556         AC_DEFINE(MISSING_HOWMANY)
 557         AC_DEFINE(MISSING_FD_MASK)
 558         ;;
 559
 560 *-*-ultrix*)
 561         AC_DEFINE(BROKEN_GETGROUPS, [], [getgroups(0,NULL) will return -1])
 562         AC_DEFINE(BROKEN_MMAP, [], [Ultrix mmap can't map files])
 563         AC_DEFINE(NEED_SETPRGP, [], [Need setpgrp to acquire controlling tty])
 564         AC_DEFINE(HAVE_SYS_SYSLOG_H, 1, [Force use of sys/syslog.h on Ultrix])
 565         ;;
 566
 567 *-*-lynxos)
 568         CFLAGS="$CFLAGS -D__NO_INCLUDE_WARN__"
 569         AC_DEFINE(MISSING_HOWMANY)
 570         AC_DEFINE(BROKEN_SETVBUF, 1, [LynxOS has broken setvbuf() implementation])
 571         ;;
 572 esac
 573
 574 # Allow user to specify flags
 575 AC_ARG_WITH(cflags,
 576         [  --with-cflags           Specify additional flags to pass to compiler],
 577         [
 578                 if test -n "$withval"  &&  test "x$withval" != "xno"  &&  \
 579                     test "x${withval}" != "xyes"; then
 580                         CFLAGS="$CFLAGS $withval"
 581                 fi
 582         ]
 583 )
 584 AC_ARG_WITH(cppflags,
 585         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 586         [
 587                 if test -n "$withval"  &&  test "x$withval" != "xno"  &&  \
 588                     test "x${withval}" != "xyes"; then
 589                         CPPFLAGS="$CPPFLAGS $withval"
 590                 fi
 591         ]
 592 )
 593 AC_ARG_WITH(ldflags,
 594         [  --with-ldflags          Specify additional flags to pass to linker],
 595         [
 596                 if test -n "$withval"  &&  test "x$withval" != "xno"  &&  \
 597                     test "x${withval}" != "xyes"; then
 598                         LDFLAGS="$LDFLAGS $withval"
 599                 fi
 600         ]
 601 )
 602 AC_ARG_WITH(libs,
 603         [  --with-libs             Specify additional libraries to link with],
 604         [
 605                 if test -n "$withval"  &&  test "x$withval" != "xno"  &&  \
 606                     test "x${withval}" != "xyes"; then
 607                         LIBS="$LIBS $withval"
 608                 fi
 609         ]
 610 )
 611 AC_ARG_WITH(Werror,
 612         [  --with-Werror           Build main code with -Werror],
 613         [
 614                 if test -n "$withval"  &&  test "x$withval" != "xno"; then
 615                         werror_flags="-Werror"
 616                         if "x${withval}" != "xyes"; then
 617                                 werror_flags="$withval"
 618                         fi
 619                 fi
 620         ]
 621 )
 622
 623 AC_MSG_CHECKING(compiler and flags for sanity)
 624 AC_RUN_IFELSE(
 625         [AC_LANG_SOURCE([
 626 #include <stdio.h>
 627 int main(){exit(0);}
 628         ])],
 629         [       AC_MSG_RESULT(yes) ],
 630         [
 631                 AC_MSG_RESULT(no)
 632                 AC_MSG_ERROR([*** compiler cannot create working executables, check config.log ***])
 633         ],
 634         [       AC_MSG_WARN([cross compiling: not checking compiler sanity]) ]
 635 )
 636
 637 dnl Checks for header files.
 638 AC_CHECK_HEADERS( \
 639         bstring.h \
 640         crypt.h \
 641         dirent.h \
 642         endian.h \
 643         features.h \
 644         floatingpoint.h \
 645         getopt.h \
 646         glob.h \
 647         ia.h \
 648         iaf.h \
 649         lastlog.h \
 650         limits.h \
 651         login.h \
 652         login_cap.h \
 653         maillock.h \
 654         ndir.h \
 655         netdb.h \
 656         netgroup.h \
 657         netinet/in_systm.h \
 658         pam/pam_appl.h \
 659         paths.h \
 660         pty.h \
 661         readpassphrase.h \
 662         rpc/types.h \
 663         security/pam_appl.h \
 664         shadow.h \
 665         stddef.h \
 666         stdint.h \
 667         string.h \
 668         strings.h \
 669         sys/audit.h \
 670         sys/bitypes.h \
 671         sys/bsdtty.h \
 672         sys/cdefs.h \
 673         sys/dir.h \
 674         sys/mman.h \
 675         sys/ndir.h \
 676         sys/prctl.h \
 677         sys/pstat.h \
 678         sys/select.h \
 679         sys/stat.h \
 680         sys/stream.h \
 681         sys/stropts.h \
 682         sys/strtio.h \
 683         sys/sysmacros.h \
 684         sys/time.h \
 685         sys/timers.h \
 686         sys/un.h \
 687         time.h \
 688         tmpdir.h \
 689         ttyent.h \
 690         unistd.h \
 691         usersec.h \
 692         util.h \
 693         utime.h \
 694         utmp.h \
 695         utmpx.h \
 696         vis.h \
 697 )
 698
 699 # sys/ptms.h requires sys/stream.h to be included first on Solaris
 700 AC_CHECK_HEADERS(sys/ptms.h, [], [], [
 701 #ifdef HAVE_SYS_STREAM_H
 702 # include <sys/stream.h>
 703 #endif
 704 ])
 705
 706 # Checks for libraries.
 707 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
 708 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
 709
 710 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 711 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 712         AC_CHECK_LIB(gen, dirname,[
 713                 AC_CACHE_CHECK([for broken dirname],
 714                         ac_cv_have_broken_dirname, [
 715                         save_LIBS="$LIBS"
 716                         LIBS="$LIBS -lgen"
 717                         AC_TRY_RUN(
 718                                 [
 719 #include <libgen.h>
 720 #include <string.h>
 721
 722 int main(int argc, char **argv) {
 723     char *s, buf[32];
 724
 725     strncpy(buf,"/etc", 32);
 726     s = dirname(buf);
 727     if (!s || strncmp(s, "/", 32) != 0) {
 728         exit(1);
 729     } else {
 730         exit(0);
 731     }
 732 }
 733                                 ],
 734                                 [ ac_cv_have_broken_dirname="no" ],
 735                                 [ ac_cv_have_broken_dirname="yes" ]
 736                         )
 737                         LIBS="$save_LIBS"
 738                 ])
 739                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 740                         LIBS="$LIBS -lgen"
 741                         AC_DEFINE(HAVE_DIRNAME)
 742                         AC_CHECK_HEADERS(libgen.h)
 743                 fi
 744         ])
 745 ])
 746
 747 AC_CHECK_FUNC(getspnam, ,
 748         AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
 749 AC_SEARCH_LIBS(basename, gen, AC_DEFINE(HAVE_BASENAME))
 750
 751 dnl zlib is required
 752 AC_ARG_WITH(zlib,
 753         [  --with-zlib=PATH        Use zlib in PATH],
 754         [ if test "x$withval" = "xno" ; then
 755                 AC_MSG_ERROR([*** zlib is required ***])
 756           elif test "x$withval" != "xyes"; then
 757                 if test -d "$withval/lib"; then
 758                         if test -n "${need_dash_r}"; then
 759                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 760                         else
 761                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 762                         fi
 763                 else
 764                         if test -n "${need_dash_r}"; then
 765                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 766                         else
 767                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 768                         fi
 769                 fi
 770                 if test -d "$withval/include"; then
 771                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 772                 else
 773                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 774                 fi
 775         fi ]
 776 )
 777
 778 AC_CHECK_LIB(z, deflate, ,
 779         [
 780                 saved_CPPFLAGS="$CPPFLAGS"
 781                 saved_LDFLAGS="$LDFLAGS"
 782                 save_LIBS="$LIBS"
 783                 dnl Check default zlib install dir
 784                 if test -n "${need_dash_r}"; then
 785                         LDFLAGS="-L/usr/local/lib -R/usr/local/lib ${saved_LDFLAGS}"
 786                 else
 787                         LDFLAGS="-L/usr/local/lib ${saved_LDFLAGS}"
 788                 fi
 789                 CPPFLAGS="-I/usr/local/include ${saved_CPPFLAGS}"
 790                 LIBS="$LIBS -lz"
 791                 AC_TRY_LINK_FUNC(deflate, AC_DEFINE(HAVE_LIBZ),
 792                         [
 793                                 AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***])
 794                         ]
 795                 )
 796         ]
 797 )
 798 AC_CHECK_HEADER([zlib.h], ,AC_MSG_ERROR([*** zlib.h missing - please install first or check config.log ***]))
 799
 800 AC_ARG_WITH(zlib-version-check,
 801         [  --without-zlib-version-check Disable zlib version check],
 802         [  if test "x$withval" = "xno" ; then
 803                 zlib_check_nonfatal=1
 804            fi
 805         ]
 806 )
 807
 808 AC_MSG_CHECKING(for possibly buggy zlib)
 809 AC_RUN_IFELSE([AC_LANG_SOURCE([[
 810 #include <stdio.h>
 811 #include <zlib.h>
 812 int main()
 813 {
 814         int a=0, b=0, c=0, d=0, n, v;
 815         n = sscanf(ZLIB_VERSION, "%d.%d.%d.%d", &a, &b, &c, &d);
 816         if (n != 3 && n != 4)
 817                 exit(1);
 818         v = a*1000000 + b*10000 + c*100 + d;
 819         fprintf(stderr, "found zlib version %s (%d)\n", ZLIB_VERSION, v);
 820
 821         /* 1.1.4 is OK */
 822         if (a == 1 && b == 1 && c >= 4)
 823                 exit(0);
 824
 825         /* 1.2.3 and up are OK */
 826         if (v >= 1020300)
 827                 exit(0);
 828
 829         exit(2);
 830 }
 831         ]])],
 832         AC_MSG_RESULT(no),
 833         [ AC_MSG_RESULT(yes)
 834           if test -z "$zlib_check_nonfatal" ; then
 835                 AC_MSG_ERROR([*** zlib too old - check config.log ***
 836 Your reported zlib version has known security problems.  It's possible your
 837 vendor has fixed these problems without changing the version number.  If you
 838 are sure this is the case, you can disable the check by running
 839 "./configure --without-zlib-version-check".
 840 If you are in doubt, upgrade zlib to version 1.2.3 or greater.
 841 See http://www.gzip.org/zlib/ for details.])
 842           else
 843                 AC_MSG_WARN([zlib version may have security problems])
 844           fi
 845         ],
 846         [       AC_MSG_WARN([cross compiling: not checking zlib version]) ]
 847 )
 848
 849 dnl UnixWare 2.x
 850 AC_CHECK_FUNC(strcasecmp,
 851         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 852 )
 853 AC_CHECK_FUNC(utimes,
 854         [], [ AC_CHECK_LIB(c89, utimes, [AC_DEFINE(HAVE_UTIMES)
 855                                         LIBS="$LIBS -lc89"]) ]
 856 )
 857
 858 dnl    Checks for libutil functions
 859 AC_CHECK_HEADERS(libutil.h)
 860 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN)])
 861 AC_CHECK_FUNCS(logout updwtmp logwtmp)
 862
 863 AC_FUNC_STRFTIME
 864
 865 # Check for ALTDIRFUNC glob() extension
 866 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 867 AC_EGREP_CPP(FOUNDIT,
 868         [
 869                 #include <glob.h>
 870                 #ifdef GLOB_ALTDIRFUNC
 871                 FOUNDIT
 872                 #endif
 873         ],
 874         [
 875                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 876                 AC_MSG_RESULT(yes)
 877         ],
 878         [
 879                 AC_MSG_RESULT(no)
 880         ]
 881 )
 882
 883 # Check for g.gl_matchc glob() extension
 884 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 885 AC_EGREP_CPP(FOUNDIT,
 886         [
 887                 #include <glob.h>
 888                 int main(void){glob_t g; g.gl_matchc = 1;}
 889         ],
 890         [
 891                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 892                 AC_MSG_RESULT(yes)
 893         ],
 894         [
 895                 AC_MSG_RESULT(no)
 896         ]
 897 )
 898
 899 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 900 AC_RUN_IFELSE(
 901         [AC_LANG_SOURCE([[
 902 #include <sys/types.h>
 903 #include <dirent.h>
 904 int main(void){struct dirent d;exit(sizeof(d.d_name)<=sizeof(char));}
 905         ]])],
 906         [AC_MSG_RESULT(yes)],
 907         [
 908                 AC_MSG_RESULT(no)
 909                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 910         ],
 911         [
 912                 AC_MSG_WARN([cross compiling: assuming BROKEN_ONE_BYTE_DIRENT_D_NAME])
 913                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 914         ]
 915 )
 916
 917 AC_MSG_CHECKING([for /proc/pid/fd directory])
 918 if test -d "/proc/$$/fd" ; then
 919         AC_DEFINE(HAVE_PROC_PID)
 920         AC_MSG_RESULT(yes)
 921 else
 922         AC_MSG_RESULT(no)
 923 fi
 924
 925 # Check whether user wants S/Key support
 926 SKEY_MSG="no"
 927 AC_ARG_WITH(skey,
 928         [  --with-skey[[=PATH]]      Enable S/Key support (optionally in PATH)],
 929         [
 930                 if test "x$withval" != "xno" ; then
 931
 932                         if test "x$withval" != "xyes" ; then
 933                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 934                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 935                         fi
 936
 937                         AC_DEFINE(SKEY)
 938                         LIBS="-lskey $LIBS"
 939                         SKEY_MSG="yes"
 940
 941                         AC_MSG_CHECKING([for s/key support])
 942                         AC_TRY_RUN(
 943                                 [
 944 #include <stdio.h>
 945 #include <skey.h>
 946 int main() { char *ff = skey_keyinfo(""); ff=""; exit(0); }
 947                                 ],
 948                                 [AC_MSG_RESULT(yes)],
 949                                 [
 950                                         AC_MSG_RESULT(no)
 951                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 952                                 ])
 953                         AC_MSG_CHECKING(if skeychallenge takes 4 arguments)
 954                         AC_TRY_COMPILE(
 955                                 [#include <stdio.h>
 956                                  #include <skey.h>],
 957                                 [(void)skeychallenge(NULL,"name","",0);],
 958                                 [AC_MSG_RESULT(yes)
 959                                  AC_DEFINE(SKEYCHALLENGE_4ARG)],
 960                                 [AC_MSG_RESULT(no)]
 961                         )
 962                 fi
 963         ]
 964 )
 965
 966 # Check whether user wants TCP wrappers support
 967 TCPW_MSG="no"
 968 AC_ARG_WITH(tcp-wrappers,
 969         [  --with-tcp-wrappers[[=PATH]] Enable tcpwrappers support (optionally in PATH)],
 970         [
 971                 if test "x$withval" != "xno" ; then
 972                         saved_LIBS="$LIBS"
 973                         saved_LDFLAGS="$LDFLAGS"
 974                         saved_CPPFLAGS="$CPPFLAGS"
 975                         if test -n "${withval}" && \
 976                             test "x${withval}" != "xyes"; then
 977                                 if test -d "${withval}/lib"; then
 978                                         if test -n "${need_dash_r}"; then
 979                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 980                                         else
 981                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 982                                         fi
 983                                 else
 984                                         if test -n "${need_dash_r}"; then
 985                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 986                                         else
 987                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 988                                         fi
 989                                 fi
 990                                 if test -d "${withval}/include"; then
 991                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 992                                 else
 993                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 994                                 fi
 995                         fi
 996                         LIBWRAP="-lwrap"
 997                         LIBS="$LIBWRAP $LIBS"
 998                         AC_MSG_CHECKING(for libwrap)
 999                         AC_TRY_LINK(
1000                                 [
1001 #include <sys/types.h>
1002 #include <sys/socket.h>
1003 #include <netinet/in.h>
1004 #include <tcpd.h>
1005                                         int deny_severity = 0, allow_severity = 0;
1006                                 ],
1007                                 [hosts_access(0);],
1008                                 [
1009                                         AC_MSG_RESULT(yes)
1010                                         AC_DEFINE(LIBWRAP)
1011                                         AC_SUBST(LIBWRAP)
1012                                         TCPW_MSG="yes"
1013                                 ],
1014                                 [
1015                                         AC_MSG_ERROR([*** libwrap missing])
1016                                 ]
1017                         )
1018                         LIBS="$saved_LIBS"
1019                 fi
1020         ]
1021 )
1022
1023 # Check whether user wants libedit support
1024 LIBEDIT_MSG="no"
1025 AC_ARG_WITH(libedit,
1026         [  --with-libedit[[=PATH]]   Enable libedit support for sftp],
1027         [ if test "x$withval" != "xno" ; then
1028                 if test "x$withval" != "xyes"; then
1029                         CPPFLAGS="$CPPFLAGS -I$withval/include"
1030                         LDFLAGS="$LDFLAGS -L$withval/lib"
1031                 fi
1032                 AC_CHECK_LIB(edit, el_init,
1033                         [ AC_DEFINE(USE_LIBEDIT, [], [Use libedit for sftp])
1034                           LIBEDIT="-ledit -lcurses"
1035                           LIBEDIT_MSG="yes"
1036                           AC_SUBST(LIBEDIT)
1037                         ],
1038                         [ AC_MSG_ERROR(libedit not found) ],
1039                         [ -lcurses ]
1040                 )
1041                 AC_MSG_CHECKING(if libedit version is compatible)
1042                 AC_COMPILE_IFELSE(
1043                     [AC_LANG_SOURCE([[
1044 #include <histedit.h>
1045 int main(void)
1046 {
1047         int i = H_SETSIZE;
1048         el_init("", NULL, NULL, NULL);
1049         exit(0);
1050 }
1051                     ]])],
1052                     [ AC_MSG_RESULT(yes) ],
1053                     [ AC_MSG_RESULT(no)
1054                       AC_MSG_ERROR(libedit version is not compatible) ]
1055                 )
1056         fi ]
1057 )
1058
1059 AUDIT_MODULE=none
1060 AC_ARG_WITH(audit,
1061         [  --with-audit=module     Enable EXPERIMENTAL audit support (modules=debug,bsm)],
1062         [
1063           AC_MSG_CHECKING(for supported audit module)
1064           case "$withval" in
1065           bsm)
1066                 AC_MSG_RESULT(bsm)
1067                 AUDIT_MODULE=bsm
1068                 dnl    Checks for headers, libs and functions
1069                 AC_CHECK_HEADERS(bsm/audit.h, [],
1070                     [AC_MSG_ERROR(BSM enabled and bsm/audit.h not found)])
1071                 AC_CHECK_LIB(bsm, getaudit, [],
1072                     [AC_MSG_ERROR(BSM enabled and required library not found)])
1073                 AC_CHECK_FUNCS(getaudit, [],
1074                     [AC_MSG_ERROR(BSM enabled and required function not found)])
1075                 # These are optional
1076                 AC_CHECK_FUNCS(getaudit_addr)
1077                 AC_DEFINE(USE_BSM_AUDIT, [], [Use BSM audit module])
1078                 ;;
1079           debug)
1080                 AUDIT_MODULE=debug
1081                 AC_MSG_RESULT(debug)
1082                 AC_DEFINE(SSH_AUDIT_EVENTS, [], Use audit debugging module)
1083                 ;;
1084           no)
1085                 AC_MSG_RESULT(no)
1086                 ;;
1087           *)
1088                 AC_MSG_ERROR([Unknown audit module $withval])
1089                 ;;
1090         esac ]
1091 )
1092
1093 dnl    Checks for library functions. Please keep in alphabetical order
1094 AC_CHECK_FUNCS( \
1095         arc4random \
1096         b64_ntop \
1097         __b64_ntop \
1098         b64_pton \
1099         __b64_pton \
1100         bcopy \
1101         bindresvport_sa \
1102         clock \
1103         closefrom \
1104         dirfd \
1105         fchmod \
1106         fchown \
1107         freeaddrinfo \
1108         futimes \
1109         getaddrinfo \
1110         getcwd \
1111         getgrouplist \
1112         getnameinfo \
1113         getopt \
1114         getpeereid \
1115         _getpty \
1116         getrlimit \
1117         getttyent \
1118         glob \
1119         inet_aton \
1120         inet_ntoa \
1121         inet_ntop \
1122         innetgr \
1123         login_getcapbool \
1124         md5_crypt \
1125         memmove \
1126         mkdtemp \
1127         mmap \
1128         ngetaddrinfo \
1129         nsleep \
1130         ogetaddrinfo \
1131         openlog_r \
1132         openpty \
1133         prctl \
1134         pstat \
1135         readpassphrase \
1136         realpath \
1137         recvmsg \
1138         rresvport_af \
1139         sendmsg \
1140         setdtablesize \
1141         setegid \
1142         setenv \
1143         seteuid \
1144         setgroups \
1145         setlogin \
1146         setpcred \
1147         setproctitle \
1148         setregid \
1149         setreuid \
1150         setrlimit \
1151         setsid \
1152         setvbuf \
1153         sigaction \
1154         sigvec \
1155         snprintf \
1156         socketpair \
1157         strdup \
1158         strerror \
1159         strlcat \
1160         strlcpy \
1161         strmode \
1162         strnvis \
1163         strtonum \
1164         strtoll \
1165         strtoul \
1166         sysconf \
1167         tcgetpgrp \
1168         truncate \
1169         unsetenv \
1170         updwtmpx \
1171         utimes \
1172         vhangup \
1173         vsnprintf \
1174         waitpid \
1175 )
1176
1177 # IRIX has a const char return value for gai_strerror()
1178 AC_CHECK_FUNCS(gai_strerror,[
1179         AC_DEFINE(HAVE_GAI_STRERROR)
1180         AC_TRY_COMPILE([
1181 #include <sys/types.h>
1182 #include <sys/socket.h>
1183 #include <netdb.h>
1184
1185 const char *gai_strerror(int);],[
1186 char *str;
1187
1188 str = gai_strerror(0);],[
1189                 AC_DEFINE(HAVE_CONST_GAI_STRERROR_PROTO, 1,
1190                 [Define if gai_strerror() returns const char *])])])
1191
1192 AC_SEARCH_LIBS(nanosleep, rt posix4, AC_DEFINE(HAVE_NANOSLEEP))
1193
1194 dnl Make sure prototypes are defined for these before using them.
1195 AC_CHECK_DECL(getrusage, [AC_CHECK_FUNCS(getrusage)])
1196 AC_CHECK_DECL(strsep,
1197         [AC_CHECK_FUNCS(strsep)],
1198         [],
1199         [
1200 #ifdef HAVE_STRING_H
1201 # include <string.h>
1202 #endif
1203         ])
1204
1205 dnl tcsendbreak might be a macro
1206 AC_CHECK_DECL(tcsendbreak,
1207         [AC_DEFINE(HAVE_TCSENDBREAK)],
1208         [AC_CHECK_FUNCS(tcsendbreak)],
1209         [#include <termios.h>]
1210 )
1211
1212 AC_CHECK_DECLS(h_errno, , ,[#include <netdb.h>])
1213
1214 AC_CHECK_FUNCS(setresuid, [
1215         dnl Some platorms have setresuid that isn't implemented, test for this
1216         AC_MSG_CHECKING(if setresuid seems to work)
1217         AC_RUN_IFELSE(
1218                 [AC_LANG_SOURCE([[
1219 #include <stdlib.h>
1220 #include <errno.h>
1221 int main(){errno=0; setresuid(0,0,0); if (errno==ENOSYS) exit(1); else exit(0);}
1222                 ]])],
1223                 [AC_MSG_RESULT(yes)],
1224                 [AC_DEFINE(BROKEN_SETRESUID)
1225                  AC_MSG_RESULT(not implemented)],
1226                 [AC_MSG_WARN([cross compiling: not checking setresuid])]
1227         )
1228 ])
1229
1230 AC_CHECK_FUNCS(setresgid, [
1231         dnl Some platorms have setresgid that isn't implemented, test for this
1232         AC_MSG_CHECKING(if setresgid seems to work)
1233         AC_RUN_IFELSE(
1234                 [AC_LANG_SOURCE([[
1235 #include <stdlib.h>
1236 #include <errno.h>
1237 int main(){errno=0; setresgid(0,0,0); if (errno==ENOSYS) exit(1); else exit(0);}
1238                 ]])],
1239                 [AC_MSG_RESULT(yes)],
1240                 [AC_DEFINE(BROKEN_SETRESGID)
1241                  AC_MSG_RESULT(not implemented)],
1242                 [AC_MSG_WARN([cross compiling: not checking setresuid])]
1243         )
1244 ])
1245
1246 dnl    Checks for time functions
1247 AC_CHECK_FUNCS(gettimeofday time)
1248 dnl    Checks for utmp functions
1249 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
1250 AC_CHECK_FUNCS(utmpname)
1251 dnl    Checks for utmpx functions
1252 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
1253 AC_CHECK_FUNCS(setutxent utmpxname)
1254
1255 AC_CHECK_FUNC(daemon,
1256         [AC_DEFINE(HAVE_DAEMON)],
1257         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
1258 )
1259
1260 AC_CHECK_FUNC(getpagesize,
1261         [AC_DEFINE(HAVE_GETPAGESIZE)],
1262         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
1263 )
1264
1265 # Check for broken snprintf
1266 if test "x$ac_cv_func_snprintf" = "xyes" ; then
1267         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
1268         AC_RUN_IFELSE(
1269                 [AC_LANG_SOURCE([[
1270 #include <stdio.h>
1271 int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');}
1272                 ]])],
1273                 [AC_MSG_RESULT(yes)],
1274                 [
1275                         AC_MSG_RESULT(no)
1276                         AC_DEFINE(BROKEN_SNPRINTF)
1277                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
1278                 ],
1279                 [ AC_MSG_WARN([cross compiling: Assuming working snprintf()]) ]
1280         )
1281 fi
1282
1283 # Check for missing getpeereid (or equiv) support
1284 NO_PEERCHECK=""
1285 if test "x$ac_cv_func_getpeereid" != "xyes" ; then
1286         AC_MSG_CHECKING([whether system supports SO_PEERCRED getsockopt])
1287         AC_TRY_COMPILE(
1288                 [#include <sys/types.h>
1289                  #include <sys/socket.h>],
1290                 [int i = SO_PEERCRED;],
1291                 [ AC_MSG_RESULT(yes)
1292                   AC_DEFINE(HAVE_SO_PEERCRED, [], [Have PEERCRED socket option])
1293                 ],
1294                 [AC_MSG_RESULT(no)
1295                 NO_PEERCHECK=1]
1296         )
1297 fi
1298
1299 dnl see whether mkstemp() requires XXXXXX
1300 if test "x$ac_cv_func_mkdtemp" = "xyes" ; then
1301 AC_MSG_CHECKING([for (overly) strict mkstemp])
1302 AC_TRY_RUN(
1303         [
1304 #include <stdlib.h>
1305 main() { char template[]="conftest.mkstemp-test";
1306 if (mkstemp(template) == -1)
1307         exit(1);
1308 unlink(template); exit(0);
1309 }
1310         ],
1311         [
1312                 AC_MSG_RESULT(no)
1313         ],
1314         [
1315                 AC_MSG_RESULT(yes)
1316                 AC_DEFINE(HAVE_STRICT_MKSTEMP)
1317         ],
1318         [
1319                 AC_MSG_RESULT(yes)
1320                 AC_DEFINE(HAVE_STRICT_MKSTEMP)
1321         ]
1322 )
1323 fi
1324
1325 dnl make sure that openpty does not reacquire controlling terminal
1326 if test ! -z "$check_for_openpty_ctty_bug"; then
1327         AC_MSG_CHECKING(if openpty correctly handles controlling tty)
1328         AC_TRY_RUN(
1329                 [
1330 #include <stdio.h>
1331 #include <sys/fcntl.h>
1332 #include <sys/types.h>
1333 #include <sys/wait.h>
1334
1335 int
1336 main()
1337 {
1338         pid_t pid;
1339         int fd, ptyfd, ttyfd, status;
1340
1341         pid = fork();
1342         if (pid < 0) {          /* failed */
1343                 exit(1);
1344         } else if (pid > 0) {   /* parent */
1345                 waitpid(pid, &status, 0);
1346                 if (WIFEXITED(status))
1347                         exit(WEXITSTATUS(status));
1348                 else
1349                         exit(2);
1350         } else {                /* child */
1351                 close(0); close(1); close(2);
1352                 setsid();
1353                 openpty(&ptyfd, &ttyfd, NULL, NULL, NULL);
1354                 fd = open("/dev/tty", O_RDWR | O_NOCTTY);
1355                 if (fd >= 0)
1356                         exit(3);        /* Acquired ctty: broken */
1357                 else
1358                         exit(0);        /* Did not acquire ctty: OK */
1359         }
1360 }
1361                 ],
1362                 [
1363                         AC_MSG_RESULT(yes)
1364                 ],
1365                 [
1366                         AC_MSG_RESULT(no)
1367                         AC_DEFINE(SSHD_ACQUIRES_CTTY)
1368                 ]
1369         )
1370 fi
1371
1372 if test "x$ac_cv_func_getaddrinfo" = "xyes" && \
1373     test "x$check_for_hpux_broken_getaddrinfo" = "x1"; then
1374         AC_MSG_CHECKING(if getaddrinfo seems to work)
1375         AC_TRY_RUN(
1376                 [
1377 #include <stdio.h>
1378 #include <sys/socket.h>
1379 #include <netdb.h>
1380 #include <errno.h>
1381 #include <netinet/in.h>
1382
1383 #define TEST_PORT "2222"
1384
1385 int
1386 main(void)
1387 {
1388         int err, sock;
1389         struct addrinfo *gai_ai, *ai, hints;
1390         char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL;
1391
1392         memset(&hints, 0, sizeof(hints));
1393         hints.ai_family = PF_UNSPEC;
1394         hints.ai_socktype = SOCK_STREAM;
1395         hints.ai_flags = AI_PASSIVE;
1396
1397         err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai);
1398         if (err != 0) {
1399                 fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err));
1400                 exit(1);
1401         }
1402
1403         for (ai = gai_ai; ai != NULL; ai = ai->ai_next) {
1404                 if (ai->ai_family != AF_INET6)
1405                         continue;
1406
1407                 err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop,
1408                     sizeof(ntop), strport, sizeof(strport),
1409                     NI_NUMERICHOST|NI_NUMERICSERV);
1410
1411                 if (err != 0) {
1412                         if (err == EAI_SYSTEM)
1413                                 perror("getnameinfo EAI_SYSTEM");
1414                         else
1415                                 fprintf(stderr, "getnameinfo failed: %s\n",
1416                                     gai_strerror(err));
1417                         exit(2);
1418                 }
1419
1420                 sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
1421                 if (sock < 0)
1422                         perror("socket");
1423                 if (bind(sock, ai->ai_addr, ai->ai_addrlen) < 0) {
1424                         if (errno == EBADF)
1425                                 exit(3);
1426                 }
1427         }
1428         exit(0);
1429 }
1430                 ],
1431                 [
1432                         AC_MSG_RESULT(yes)
1433                 ],
1434                 [
1435                         AC_MSG_RESULT(no)
1436                         AC_DEFINE(BROKEN_GETADDRINFO)
1437                 ]
1438         )
1439 fi
1440
1441 if test "x$ac_cv_func_getaddrinfo" = "xyes" && \
1442     test "x$check_for_aix_broken_getaddrinfo" = "x1"; then
1443         AC_MSG_CHECKING(if getaddrinfo seems to work)
1444         AC_TRY_RUN(
1445                 [
1446 #include <stdio.h>
1447 #include <sys/socket.h>
1448 #include <netdb.h>
1449 #include <errno.h>
1450 #include <netinet/in.h>
1451
1452 #define TEST_PORT "2222"
1453
1454 int
1455 main(void)
1456 {
1457         int err, sock;
1458         struct addrinfo *gai_ai, *ai, hints;
1459         char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL;
1460
1461         memset(&hints, 0, sizeof(hints));
1462         hints.ai_family = PF_UNSPEC;
1463         hints.ai_socktype = SOCK_STREAM;
1464         hints.ai_flags = AI_PASSIVE;
1465
1466         err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai);
1467         if (err != 0) {
1468                 fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err));
1469                 exit(1);
1470         }
1471
1472         for (ai = gai_ai; ai != NULL; ai = ai->ai_next) {
1473                 if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6)
1474                         continue;
1475
1476                 err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop,
1477                     sizeof(ntop), strport, sizeof(strport),
1478                     NI_NUMERICHOST|NI_NUMERICSERV);
1479
1480                 if (ai->ai_family == AF_INET && err != 0) {
1481                         perror("getnameinfo");
1482                         exit(2);
1483                 }
1484         }
1485         exit(0);
1486 }
1487                 ],
1488                 [
1489                         AC_MSG_RESULT(yes)
1490                         AC_DEFINE(AIX_GETNAMEINFO_HACK, [],
1491 [Define if you have a getaddrinfo that fails for the all-zeros IPv6 address])
1492                 ],
1493                 [
1494                         AC_MSG_RESULT(no)
1495                         AC_DEFINE(BROKEN_GETADDRINFO)
1496                 ]
1497         )
1498 fi
1499
1500 if test "x$check_for_conflicting_getspnam" = "x1"; then
1501         AC_MSG_CHECKING(for conflicting getspnam in shadow.h)
1502         AC_COMPILE_IFELSE(
1503                 [
1504 #include <shadow.h>
1505 int main(void) {exit(0);}
1506                 ],
1507                 [
1508                         AC_MSG_RESULT(no)
1509                 ],
1510                 [
1511                         AC_MSG_RESULT(yes)
1512                         AC_DEFINE(GETSPNAM_CONFLICTING_DEFS, 1,
1513                             [Conflicting defs for getspnam])
1514                 ]
1515         )
1516 fi
1517
1518 AC_FUNC_GETPGRP
1519
1520 # Check for PAM libs
1521 PAM_MSG="no"
1522 AC_ARG_WITH(pam,
1523         [  --with-pam              Enable PAM support ],
1524         [
1525                 if test "x$withval" != "xno" ; then
1526                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" && \
1527                            test "x$ac_cv_header_pam_pam_appl_h" != "xyes" ; then
1528                                 AC_MSG_ERROR([PAM headers not found])
1529                         fi
1530
1531                         AC_CHECK_LIB(dl, dlopen, , )
1532                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
1533                         AC_CHECK_FUNCS(pam_getenvlist)
1534                         AC_CHECK_FUNCS(pam_putenv)
1535
1536                         PAM_MSG="yes"
1537
1538                         AC_DEFINE(USE_PAM)
1539                         if test $ac_cv_lib_dl_dlopen = yes; then
1540                                 LIBPAM="-lpam -ldl"
1541                         else
1542                                 LIBPAM="-lpam"
1543                         fi
1544                         AC_SUBST(LIBPAM)
1545                 fi
1546         ]
1547 )
1548
1549 # Check for older PAM
1550 if test "x$PAM_MSG" = "xyes" ; then
1551         # Check PAM strerror arguments (old PAM)
1552         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
1553         AC_TRY_COMPILE(
1554                 [
1555 #include <stdlib.h>
1556 #if defined(HAVE_SECURITY_PAM_APPL_H)
1557 #include <security/pam_appl.h>
1558 #elif defined (HAVE_PAM_PAM_APPL_H)
1559 #include <pam/pam_appl.h>
1560 #endif
1561                 ],
1562                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
1563                 [AC_MSG_RESULT(no)],
1564                 [
1565                         AC_DEFINE(HAVE_OLD_PAM)
1566                         AC_MSG_RESULT(yes)
1567                         PAM_MSG="yes (old library)"
1568                 ]
1569         )
1570 fi
1571
1572 # Search for OpenSSL
1573 saved_CPPFLAGS="$CPPFLAGS"
1574 saved_LDFLAGS="$LDFLAGS"
1575 AC_ARG_WITH(ssl-dir,
1576         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
1577         [
1578                 if test "x$withval" != "xno" ; then
1579                         case "$withval" in
1580                                 # Relative paths
1581                                 ./*|../*)       withval="`pwd`/$withval"
1582                         esac
1583                         if test -d "$withval/lib"; then
1584                                 if test -n "${need_dash_r}"; then
1585                                         LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
1586                                 else
1587                                         LDFLAGS="-L${withval}/lib ${LDFLAGS}"
1588                                 fi
1589                         else
1590                                 if test -n "${need_dash_r}"; then
1591                                         LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
1592                                 else
1593                                         LDFLAGS="-L${withval} ${LDFLAGS}"
1594                                 fi
1595                         fi
1596                         if test -d "$withval/include"; then
1597                                 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
1598                         else
1599                                 CPPFLAGS="-I${withval} ${CPPFLAGS}"
1600                         fi
1601                 fi
1602         ]
1603 )
1604 LIBS="-lcrypto $LIBS"
1605 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
1606         [
1607                 dnl Check default openssl install dir
1608                 if test -n "${need_dash_r}"; then
1609                         LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
1610                 else
1611                         LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
1612                 fi
1613                 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
1614                 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
1615                         [
1616                                 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
1617                         ]
1618                 )
1619         ]
1620 )
1621
1622 # Determine OpenSSL header version
1623 AC_MSG_CHECKING([OpenSSL header version])
1624 AC_RUN_IFELSE(
1625         [AC_LANG_SOURCE([[
1626 #include <stdio.h>
1627 #include <string.h>
1628 #include <openssl/opensslv.h>
1629 #define DATA "conftest.sslincver"
1630 int main(void) {
1631         FILE *fd;
1632         int rc;
1633
1634         fd = fopen(DATA,"w");
1635         if(fd == NULL)
1636                 exit(1);
1637
1638         if ((rc = fprintf(fd ,"%x (%s)\n", OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT)) <0)
1639                 exit(1);
1640
1641         exit(0);
1642 }
1643         ]])],
1644         [
1645                 ssl_header_ver=`cat conftest.sslincver`
1646                 AC_MSG_RESULT($ssl_header_ver)
1647         ],
1648         [
1649                 AC_MSG_RESULT(not found)
1650                 AC_MSG_ERROR(OpenSSL version header not found.)
1651         ],
1652         [
1653                 AC_MSG_WARN([cross compiling: not checking])
1654         ]
1655 )
1656
1657 # Determine OpenSSL library version
1658 AC_MSG_CHECKING([OpenSSL library version])
1659 AC_RUN_IFELSE(
1660         [AC_LANG_SOURCE([[
1661 #include <stdio.h>
1662 #include <string.h>
1663 #include <openssl/opensslv.h>
1664 #include <openssl/crypto.h>
1665 #define DATA "conftest.ssllibver"
1666 int main(void) {
1667         FILE *fd;
1668         int rc;
1669
1670         fd = fopen(DATA,"w");
1671         if(fd == NULL)
1672                 exit(1);
1673
1674         if ((rc = fprintf(fd ,"%x (%s)\n", SSLeay(), SSLeay_version(SSLEAY_VERSION))) <0)
1675                 exit(1);
1676
1677         exit(0);
1678 }
1679         ]])],
1680         [
1681                 ssl_library_ver=`cat conftest.ssllibver`
1682                 AC_MSG_RESULT($ssl_library_ver)
1683         ],
1684         [
1685                 AC_MSG_RESULT(not found)
1686                 AC_MSG_ERROR(OpenSSL library not found.)
1687         ],
1688         [
1689                 AC_MSG_WARN([cross compiling: not checking])
1690         ]
1691 )
1692
1693 # Sanity check OpenSSL headers
1694 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
1695 AC_RUN_IFELSE(
1696         [AC_LANG_SOURCE([[
1697 #include <string.h>
1698 #include <openssl/opensslv.h>
1699 int main(void) { exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
1700         ]])],
1701         [
1702                 AC_MSG_RESULT(yes)
1703         ],
1704         [
1705                 AC_MSG_RESULT(no)
1706                 AC_MSG_ERROR([Your OpenSSL headers do not match your library.
1707 Check config.log for details.
1708 Also see contrib/findssl.sh for help identifying header/library mismatches.])
1709         ],
1710         [
1711                 AC_MSG_WARN([cross compiling: not checking])
1712         ]
1713 )
1714
1715 # Some systems want crypt() from libcrypt, *not* the version in OpenSSL,
1716 # because the system crypt() is more featureful.
1717 if test "x$check_for_libcrypt_before" = "x1"; then
1718         AC_CHECK_LIB(crypt, crypt)
1719 fi
1720
1721 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
1722 # version in OpenSSL.
1723 if test "x$check_for_libcrypt_later" = "x1"; then
1724         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
1725 fi
1726
1727 AC_CHECK_LIB(iaf, ia_openinfo)
1728
1729 ### Configure cryptographic random number support
1730
1731 # Check wheter OpenSSL seeds itself
1732 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
1733 AC_RUN_IFELSE(
1734         [AC_LANG_SOURCE([[
1735 #include <string.h>
1736 #include <openssl/rand.h>
1737 int main(void) { exit(RAND_status() == 1 ? 0 : 1); }
1738         ]])],
1739         [
1740                 OPENSSL_SEEDS_ITSELF=yes
1741                 AC_MSG_RESULT(yes)
1742         ],
1743         [
1744                 AC_MSG_RESULT(no)
1745                 # Default to use of the rand helper if OpenSSL doesn't
1746                 # seed itself
1747                 USE_RAND_HELPER=yes
1748         ],
1749         [
1750                 AC_MSG_WARN([cross compiling: assuming yes])
1751                 # This is safe, since all recent OpenSSL versions will
1752                 # complain at runtime if not seeded correctly.
1753                 OPENSSL_SEEDS_ITSELF=yes
1754         ]
1755 )
1756
1757
1758 # Do we want to force the use of the rand helper?
1759 AC_ARG_WITH(rand-helper,
1760         [  --with-rand-helper      Use subprocess to gather strong randomness ],
1761         [
1762                 if test "x$withval" = "xno" ; then
1763                         # Force use of OpenSSL's internal RNG, even if
1764                         # the previous test showed it to be unseeded.
1765                         if test -z "$OPENSSL_SEEDS_ITSELF" ; then
1766                                 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
1767                                 OPENSSL_SEEDS_ITSELF=yes
1768                                 USE_RAND_HELPER=""
1769                         fi
1770                 else
1771                         USE_RAND_HELPER=yes
1772                 fi
1773         ],
1774 )
1775
1776 # Which randomness source do we use?
1777 if test ! -z "$OPENSSL_SEEDS_ITSELF" && test -z "$USE_RAND_HELPER" ; then
1778         # OpenSSL only
1779         AC_DEFINE(OPENSSL_PRNG_ONLY)
1780         RAND_MSG="OpenSSL internal ONLY"
1781         INSTALL_SSH_RAND_HELPER=""
1782 elif test ! -z "$USE_RAND_HELPER" ; then
1783         # install rand helper
1784         RAND_MSG="ssh-rand-helper"
1785         INSTALL_SSH_RAND_HELPER="yes"
1786 fi
1787 AC_SUBST(INSTALL_SSH_RAND_HELPER)
1788
1789 ### Configuration of ssh-rand-helper
1790
1791 # PRNGD TCP socket
1792 AC_ARG_WITH(prngd-port,
1793         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD TCP localhost:PORT],
1794         [
1795                 case "$withval" in
1796                 no)
1797                         withval=""
1798                         ;;
1799                 [[0-9]]*)
1800                         ;;
1801                 *)
1802                         AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
1803                         ;;
1804                 esac
1805                 if test ! -z "$withval" ; then
1806                         PRNGD_PORT="$withval"
1807                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
1808                 fi
1809         ]
1810 )
1811
1812 # PRNGD Unix domain socket
1813 AC_ARG_WITH(prngd-socket,
1814         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1815         [
1816                 case "$withval" in
1817                 yes)
1818                         withval="/var/run/egd-pool"
1819                         ;;
1820                 no)
1821                         withval=""
1822                         ;;
1823                 /*)
1824                         ;;
1825                 *)
1826                         AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
1827                         ;;
1828                 esac
1829
1830                 if test ! -z "$withval" ; then
1831                         if test ! -z "$PRNGD_PORT" ; then
1832                                 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
1833                         fi
1834                         if test ! -r "$withval" ; then
1835                                 AC_MSG_WARN(Entropy socket is not readable)
1836                         fi
1837                         PRNGD_SOCKET="$withval"
1838                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1839                 fi
1840         ],
1841         [
1842                 # Check for existing socket only if we don't have a random device already
1843                 if test "$USE_RAND_HELPER" = yes ; then
1844                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1845                         # Insert other locations here
1846                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1847                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1848                                         PRNGD_SOCKET="$sock"
1849                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1850                                         break;
1851                                 fi
1852                         done
1853                         if test ! -z "$PRNGD_SOCKET" ; then
1854                                 AC_MSG_RESULT($PRNGD_SOCKET)
1855                         else
1856                                 AC_MSG_RESULT(not found)
1857                         fi
1858                 fi
1859         ]
1860 )
1861
1862 # Change default command timeout for hashing entropy source
1863 entropy_timeout=200
1864 AC_ARG_WITH(entropy-timeout,
1865         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1866         [
1867                 if test -n "$withval"  &&  test "x$withval" != "xno"  &&  \
1868                     test "x${withval}" != "xyes"; then
1869                         entropy_timeout=$withval
1870                 fi
1871         ]
1872 )
1873 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1874
1875 SSH_PRIVSEP_USER=sshd
1876 AC_ARG_WITH(privsep-user,
1877         [  --with-privsep-user=user Specify non-privileged user for privilege separation],
1878         [
1879                 if test -n "$withval"  &&  test "x$withval" != "xno"  &&  \
1880                     test "x${withval}" != "xyes"; then
1881                         SSH_PRIVSEP_USER=$withval
1882                 fi
1883         ]
1884 )
1885 AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$SSH_PRIVSEP_USER")
1886 AC_SUBST(SSH_PRIVSEP_USER)
1887
1888 # We do this little dance with the search path to insure
1889 # that programs that we select for use by installed programs
1890 # (which may be run by the super-user) come from trusted
1891 # locations before they come from the user's private area.
1892 # This should help avoid accidentally configuring some
1893 # random version of a program in someone's personal bin.
1894
1895 OPATH=$PATH
1896 PATH=/bin:/usr/bin
1897 test -h /bin 2> /dev/null && PATH=/usr/bin
1898 test -d /sbin && PATH=$PATH:/sbin
1899 test -d /usr/sbin && PATH=$PATH:/usr/sbin
1900 PATH=$PATH:/etc:$OPATH
1901
1902 # These programs are used by the command hashing source to gather entropy
1903 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1904 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1905 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1906 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1907 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
1908 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1909 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
1910 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1911 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1912 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1913 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1914 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1915 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1916 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1917 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1918 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1919 # restore PATH
1920 PATH=$OPATH
1921
1922 # Where does ssh-rand-helper get its randomness from?
1923 INSTALL_SSH_PRNG_CMDS=""
1924 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
1925         if test ! -z "$PRNGD_PORT" ; then
1926                 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
1927         elif test ! -z "$PRNGD_SOCKET" ; then
1928                 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
1929         else
1930                 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
1931                 RAND_HELPER_CMDHASH=yes
1932                 INSTALL_SSH_PRNG_CMDS="yes"
1933         fi
1934 fi
1935 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1936
1937
1938 # Cheap hack to ensure NEWS-OS libraries are arranged right.
1939 if test ! -z "$SONY" ; then
1940   LIBS="$LIBS -liberty";
1941 fi
1942
1943 # Checks for data types
1944 AC_CHECK_SIZEOF(char, 1)
1945 AC_CHECK_SIZEOF(short int, 2)
1946 AC_CHECK_SIZEOF(int, 4)
1947 AC_CHECK_SIZEOF(long int, 4)
1948 AC_CHECK_SIZEOF(long long int, 8)
1949
1950 # Sanity check long long for some platforms (AIX)
1951 if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
1952         ac_cv_sizeof_long_long_int=0
1953 fi
1954
1955 # More checks for data types
1956 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
1957         AC_TRY_COMPILE(
1958                 [ #include <sys/types.h> ],
1959                 [ u_int a; a = 1;],
1960                 [ ac_cv_have_u_int="yes" ],
1961                 [ ac_cv_have_u_int="no" ]
1962         )
1963 ])
1964 if test "x$ac_cv_have_u_int" = "xyes" ; then
1965         AC_DEFINE(HAVE_U_INT)
1966         have_u_int=1
1967 fi
1968
1969 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
1970         AC_TRY_COMPILE(
1971                 [ #include <sys/types.h> ],
1972                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1973                 [ ac_cv_have_intxx_t="yes" ],
1974                 [ ac_cv_have_intxx_t="no" ]
1975         )
1976 ])
1977 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
1978         AC_DEFINE(HAVE_INTXX_T)
1979         have_intxx_t=1
1980 fi
1981
1982 if (test -z "$have_intxx_t" && \
1983            test "x$ac_cv_header_stdint_h" = "xyes")
1984 then
1985     AC_MSG_CHECKING([for intXX_t types in stdint.h])
1986         AC_TRY_COMPILE(
1987                 [ #include <stdint.h> ],
1988                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1989                 [
1990                         AC_DEFINE(HAVE_INTXX_T)
1991                         AC_MSG_RESULT(yes)
1992                 ],
1993                 [ AC_MSG_RESULT(no) ]
1994         )
1995 fi
1996
1997 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
1998         AC_TRY_COMPILE(
1999                 [
2000 #include <sys/types.h>
2001 #ifdef HAVE_STDINT_H
2002 # include <stdint.h>
2003 #endif
2004 #include <sys/socket.h>
2005 #ifdef HAVE_SYS_BITYPES_H
2006 # include <sys/bitypes.h>
2007 #endif
2008                 ],
2009                 [ int64_t a; a = 1;],
2010                 [ ac_cv_have_int64_t="yes" ],
2011                 [ ac_cv_have_int64_t="no" ]
2012         )
2013 ])
2014 if test "x$ac_cv_have_int64_t" = "xyes" ; then
2015         AC_DEFINE(HAVE_INT64_T)
2016 fi
2017
2018 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
2019         AC_TRY_COMPILE(
2020                 [ #include <sys/types.h> ],
2021                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
2022                 [ ac_cv_have_u_intxx_t="yes" ],
2023                 [ ac_cv_have_u_intxx_t="no" ]
2024         )
2025 ])
2026 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
2027         AC_DEFINE(HAVE_U_INTXX_T)
2028         have_u_intxx_t=1
2029 fi
2030
2031 if test -z "$have_u_intxx_t" ; then
2032     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
2033         AC_TRY_COMPILE(
2034                 [ #include <sys/socket.h> ],
2035                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
2036                 [
2037                         AC_DEFINE(HAVE_U_INTXX_T)
2038                         AC_MSG_RESULT(yes)
2039                 ],
2040                 [ AC_MSG_RESULT(no) ]
2041         )
2042 fi
2043
2044 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
2045         AC_TRY_COMPILE(
2046                 [ #include <sys/types.h> ],
2047                 [ u_int64_t a; a = 1;],
2048                 [ ac_cv_have_u_int64_t="yes" ],
2049                 [ ac_cv_have_u_int64_t="no" ]
2050         )
2051 ])
2052 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
2053         AC_DEFINE(HAVE_U_INT64_T)
2054         have_u_int64_t=1
2055 fi
2056
2057 if test -z "$have_u_int64_t" ; then
2058     AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
2059         AC_TRY_COMPILE(
2060                 [ #include <sys/bitypes.h> ],
2061                 [ u_int64_t a; a = 1],
2062                 [
2063                         AC_DEFINE(HAVE_U_INT64_T)
2064                         AC_MSG_RESULT(yes)
2065                 ],
2066                 [ AC_MSG_RESULT(no) ]
2067         )
2068 fi
2069
2070 if test -z "$have_u_intxx_t" ; then
2071         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
2072                 AC_TRY_COMPILE(
2073                         [
2074 #include <sys/types.h>
2075                         ],
2076                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
2077                         [ ac_cv_have_uintxx_t="yes" ],
2078                         [ ac_cv_have_uintxx_t="no" ]
2079                 )
2080         ])
2081         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
2082                 AC_DEFINE(HAVE_UINTXX_T)
2083         fi
2084 fi
2085
2086 if test -z "$have_uintxx_t" ; then
2087     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
2088         AC_TRY_COMPILE(
2089                 [ #include <stdint.h> ],
2090                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
2091                 [
2092                         AC_DEFINE(HAVE_UINTXX_T)
2093                         AC_MSG_RESULT(yes)
2094                 ],
2095                 [ AC_MSG_RESULT(no) ]
2096         )
2097 fi
2098
2099 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
2100            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
2101 then
2102         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
2103         AC_TRY_COMPILE(
2104                 [
2105 #include <sys/bitypes.h>
2106                 ],
2107                 [
2108                         int8_t a; int16_t b; int32_t c;
2109                         u_int8_t e; u_int16_t f; u_int32_t g;
2110                         a = b = c = e = f = g = 1;
2111                 ],
2112                 [
2113                         AC_DEFINE(HAVE_U_INTXX_T)
2114                         AC_DEFINE(HAVE_INTXX_T)
2115                         AC_MSG_RESULT(yes)
2116                 ],
2117                 [AC_MSG_RESULT(no)]
2118         )
2119 fi
2120
2121
2122 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
2123         AC_TRY_COMPILE(
2124                 [
2125 #include <sys/types.h>
2126                 ],
2127                 [ u_char foo; foo = 125; ],
2128                 [ ac_cv_have_u_char="yes" ],
2129                 [ ac_cv_have_u_char="no" ]
2130         )
2131 ])
2132 if test "x$ac_cv_have_u_char" = "xyes" ; then
2133         AC_DEFINE(HAVE_U_CHAR)
2134 fi
2135
2136 TYPE_SOCKLEN_T
2137
2138 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
2139
2140 AC_CHECK_TYPES(in_addr_t,,,
2141 [#include <sys/types.h>
2142 #include <netinet/in.h>])
2143
2144 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
2145         AC_TRY_COMPILE(
2146                 [
2147 #include <sys/types.h>
2148                 ],
2149                 [ size_t foo; foo = 1235; ],
2150                 [ ac_cv_have_size_t="yes" ],
2151                 [ ac_cv_have_size_t="no" ]
2152         )
2153 ])
2154 if test "x$ac_cv_have_size_t" = "xyes" ; then
2155         AC_DEFINE(HAVE_SIZE_T)
2156 fi
2157
2158 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
2159         AC_TRY_COMPILE(
2160                 [
2161 #include <sys/types.h>
2162                 ],
2163                 [ ssize_t foo; foo = 1235; ],
2164                 [ ac_cv_have_ssize_t="yes" ],
2165                 [ ac_cv_have_ssize_t="no" ]
2166         )
2167 ])
2168 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
2169         AC_DEFINE(HAVE_SSIZE_T)
2170 fi
2171
2172 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
2173         AC_TRY_COMPILE(
2174                 [
2175 #include <time.h>
2176                 ],
2177                 [ clock_t foo; foo = 1235; ],
2178                 [ ac_cv_have_clock_t="yes" ],
2179                 [ ac_cv_have_clock_t="no" ]
2180         )
2181 ])
2182 if test "x$ac_cv_have_clock_t" = "xyes" ; then
2183         AC_DEFINE(HAVE_CLOCK_T)
2184 fi
2185
2186 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
2187         AC_TRY_COMPILE(
2188                 [
2189 #include <sys/types.h>
2190 #include <sys/socket.h>
2191                 ],
2192                 [ sa_family_t foo; foo = 1235; ],
2193                 [ ac_cv_have_sa_family_t="yes" ],
2194                 [ AC_TRY_COMPILE(
2195                   [
2196 #include <sys/types.h>
2197 #include <sys/socket.h>
2198 #include <netinet/in.h>
2199                 ],
2200                 [ sa_family_t foo; foo = 1235; ],
2201                 [ ac_cv_have_sa_family_t="yes" ],
2202
2203                 [ ac_cv_have_sa_family_t="no" ]
2204         )]
2205         )
2206 ])
2207 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
2208         AC_DEFINE(HAVE_SA_FAMILY_T)
2209 fi
2210
2211 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
2212         AC_TRY_COMPILE(
2213                 [
2214 #include <sys/types.h>
2215                 ],
2216                 [ pid_t foo; foo = 1235; ],
2217                 [ ac_cv_have_pid_t="yes" ],
2218                 [ ac_cv_have_pid_t="no" ]
2219         )
2220 ])
2221 if test "x$ac_cv_have_pid_t" = "xyes" ; then
2222         AC_DEFINE(HAVE_PID_T)
2223 fi
2224
2225 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
2226         AC_TRY_COMPILE(
2227                 [
2228 #include <sys/types.h>
2229                 ],
2230                 [ mode_t foo; foo = 1235; ],
2231                 [ ac_cv_have_mode_t="yes" ],
2232                 [ ac_cv_have_mode_t="no" ]
2233         )
2234 ])
2235 if test "x$ac_cv_have_mode_t" = "xyes" ; then
2236         AC_DEFINE(HAVE_MODE_T)
2237 fi
2238
2239
2240 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
2241         AC_TRY_COMPILE(
2242                 [
2243 #include <sys/types.h>
2244 #include <sys/socket.h>
2245                 ],
2246                 [ struct sockaddr_storage s; ],
2247                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
2248                 [ ac_cv_have_struct_sockaddr_storage="no" ]
2249         )
2250 ])
2251 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
2252         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
2253 fi
2254
2255 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
2256         AC_TRY_COMPILE(
2257                 [
2258 #include <sys/types.h>
2259 #include <netinet/in.h>
2260                 ],
2261                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
2262                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
2263                 [ ac_cv_have_struct_sockaddr_in6="no" ]
2264         )
2265 ])
2266 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
2267         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
2268 fi
2269
2270 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
2271         AC_TRY_COMPILE(
2272                 [
2273 #include <sys/types.h>
2274 #include <netinet/in.h>
2275                 ],
2276                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
2277                 [ ac_cv_have_struct_in6_addr="yes" ],
2278                 [ ac_cv_have_struct_in6_addr="no" ]
2279         )
2280 ])
2281 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
2282         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
2283 fi
2284
2285 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
2286         AC_TRY_COMPILE(
2287                 [
2288 #include <sys/types.h>
2289 #include <sys/socket.h>
2290 #include <netdb.h>
2291                 ],
2292                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
2293                 [ ac_cv_have_struct_addrinfo="yes" ],
2294                 [ ac_cv_have_struct_addrinfo="no" ]
2295         )
2296 ])
2297 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
2298         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
2299 fi
2300
2301 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
2302         AC_TRY_COMPILE(
2303                 [ #include <sys/time.h> ],
2304                 [ struct timeval tv; tv.tv_sec = 1;],
2305                 [ ac_cv_have_struct_timeval="yes" ],
2306                 [ ac_cv_have_struct_timeval="no" ]
2307         )
2308 ])
2309 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
2310         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
2311         have_struct_timeval=1
2312 fi
2313
2314 AC_CHECK_TYPES(struct timespec)
2315
2316 # We need int64_t or else certian parts of the compile will fail.
2317 if test "x$ac_cv_have_int64_t" = "xno" && \
2318         test "x$ac_cv_sizeof_long_int" != "x8" && \
2319         test "x$ac_cv_sizeof_long_long_int" = "x0" ; then
2320         echo "OpenSSH requires int64_t support.  Contact your vendor or install"
2321         echo "an alternative compiler (I.E., GCC) before continuing."
2322         echo ""
2323         exit 1;
2324 else
2325 dnl test snprintf (broken on SCO w/gcc)
2326         AC_RUN_IFELSE(
2327                 [AC_LANG_SOURCE([[
2328 #include <stdio.h>
2329 #include <string.h>
2330 #ifdef HAVE_SNPRINTF
2331 main()
2332 {
2333         char buf[50];
2334         char expected_out[50];
2335         int mazsize = 50 ;
2336 #if (SIZEOF_LONG_INT == 8)
2337         long int num = 0x7fffffffffffffff;
2338 #else
2339         long long num = 0x7fffffffffffffffll;
2340 #endif
2341         strcpy(expected_out, "9223372036854775807");
2342         snprintf(buf, mazsize, "%lld", num);
2343         if(strcmp(buf, expected_out) != 0)
2344                 exit(1);
2345         exit(0);
2346 }
2347 #else
2348 main() { exit(0); }
2349 #endif
2350                 ]])], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ],
2351                 AC_MSG_WARN([cross compiling: Assuming working snprintf()])
2352         )
2353 fi
2354
2355 dnl Checks for structure members
2356 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
2357 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
2358 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
2359 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
2360 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
2361 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
2362 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
2363 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
2364 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
2365 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
2366 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
2367 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
2368 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
2369 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
2370 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
2371 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
2372 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
2373
2374 AC_CHECK_MEMBERS([struct stat.st_blksize])
2375
2376 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
2377                 ac_cv_have_ss_family_in_struct_ss, [
2378         AC_TRY_COMPILE(
2379                 [
2380 #include <sys/types.h>
2381 #include <sys/socket.h>
2382                 ],
2383                 [ struct sockaddr_storage s; s.ss_family = 1; ],
2384                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
2385                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
2386         )
2387 ])
2388 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
2389         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
2390 fi
2391
2392 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
2393                 ac_cv_have___ss_family_in_struct_ss, [
2394         AC_TRY_COMPILE(
2395                 [
2396 #include <sys/types.h>
2397 #include <sys/socket.h>
2398                 ],
2399                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
2400                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
2401                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
2402         )
2403 ])
2404 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
2405         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
2406 fi
2407
2408 AC_CACHE_CHECK([for pw_class field in struct passwd],
2409                 ac_cv_have_pw_class_in_struct_passwd, [
2410         AC_TRY_COMPILE(
2411                 [
2412 #include <pwd.h>
2413                 ],
2414                 [ struct passwd p; p.pw_class = 0; ],
2415                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
2416                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
2417         )
2418 ])
2419 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
2420         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
2421 fi
2422
2423 AC_CACHE_CHECK([for pw_expire field in struct passwd],
2424                 ac_cv_have_pw_expire_in_struct_passwd, [
2425         AC_TRY_COMPILE(
2426                 [
2427 #include <pwd.h>
2428                 ],
2429                 [ struct passwd p; p.pw_expire = 0; ],
2430                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
2431                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
2432         )
2433 ])
2434 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
2435         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
2436 fi
2437
2438 AC_CACHE_CHECK([for pw_change field in struct passwd],
2439                 ac_cv_have_pw_change_in_struct_passwd, [
2440         AC_TRY_COMPILE(
2441                 [
2442 #include <pwd.h>
2443                 ],
2444                 [ struct passwd p; p.pw_change = 0; ],
2445                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
2446                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
2447         )
2448 ])
2449 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
2450         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
2451 fi
2452
2453 dnl make sure we're using the real structure members and not defines
2454 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
2455                 ac_cv_have_accrights_in_msghdr, [
2456         AC_COMPILE_IFELSE(
2457                 [
2458 #include <sys/types.h>
2459 #include <sys/socket.h>
2460 #include <sys/uio.h>
2461 int main() {
2462 #ifdef msg_accrights
2463 #error "msg_accrights is a macro"
2464 exit(1);
2465 #endif
2466 struct msghdr m;
2467 m.msg_accrights = 0;
2468 exit(0);
2469 }
2470                 ],
2471                 [ ac_cv_have_accrights_in_msghdr="yes" ],
2472                 [ ac_cv_have_accrights_in_msghdr="no" ]
2473         )
2474 ])
2475 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
2476         AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
2477 fi
2478
2479 AC_CACHE_CHECK([for msg_control field in struct msghdr],
2480                 ac_cv_have_control_in_msghdr, [
2481         AC_COMPILE_IFELSE(
2482                 [
2483 #include <sys/types.h>
2484 #include <sys/socket.h>
2485 #include <sys/uio.h>
2486 int main() {
2487 #ifdef msg_control
2488 #error "msg_control is a macro"
2489 exit(1);
2490 #endif
2491 struct msghdr m;
2492 m.msg_control = 0;
2493 exit(0);
2494 }
2495                 ],
2496                 [ ac_cv_have_control_in_msghdr="yes" ],
2497                 [ ac_cv_have_control_in_msghdr="no" ]
2498         )
2499 ])
2500 if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
2501         AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
2502 fi
2503
2504 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
2505         AC_TRY_LINK([],
2506                 [ extern char *__progname; printf("%s", __progname); ],
2507                 [ ac_cv_libc_defines___progname="yes" ],
2508                 [ ac_cv_libc_defines___progname="no" ]
2509         )
2510 ])
2511 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
2512         AC_DEFINE(HAVE___PROGNAME)
2513 fi
2514
2515 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
2516         AC_TRY_LINK([
2517 #include <stdio.h>
2518 ],
2519                 [ printf("%s", __FUNCTION__); ],
2520                 [ ac_cv_cc_implements___FUNCTION__="yes" ],
2521                 [ ac_cv_cc_implements___FUNCTION__="no" ]
2522         )
2523 ])
2524 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
2525         AC_DEFINE(HAVE___FUNCTION__)
2526 fi
2527
2528 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
2529         AC_TRY_LINK([
2530 #include <stdio.h>
2531 ],
2532                 [ printf("%s", __func__); ],
2533                 [ ac_cv_cc_implements___func__="yes" ],
2534                 [ ac_cv_cc_implements___func__="no" ]
2535         )
2536 ])
2537 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
2538         AC_DEFINE(HAVE___func__)
2539 fi
2540
2541 AC_CACHE_CHECK([whether getopt has optreset support],
2542                 ac_cv_have_getopt_optreset, [
2543         AC_TRY_LINK(
2544                 [
2545 #include <getopt.h>
2546                 ],
2547                 [ extern int optreset; optreset = 0; ],
2548                 [ ac_cv_have_getopt_optreset="yes" ],
2549                 [ ac_cv_have_getopt_optreset="no" ]
2550         )
2551 ])
2552 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
2553         AC_DEFINE(HAVE_GETOPT_OPTRESET)
2554 fi
2555
2556 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
2557         AC_TRY_LINK([],
2558                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
2559                 [ ac_cv_libc_defines_sys_errlist="yes" ],
2560                 [ ac_cv_libc_defines_sys_errlist="no" ]
2561         )
2562 ])
2563 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
2564         AC_DEFINE(HAVE_SYS_ERRLIST)
2565 fi
2566
2567
2568 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
2569         AC_TRY_LINK([],
2570                 [ extern int sys_nerr; printf("%i", sys_nerr);],
2571                 [ ac_cv_libc_defines_sys_nerr="yes" ],
2572                 [ ac_cv_libc_defines_sys_nerr="no" ]
2573         )
2574 ])
2575 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
2576         AC_DEFINE(HAVE_SYS_NERR)
2577 fi
2578
2579 SCARD_MSG="no"
2580 # Check whether user wants sectok support
2581 AC_ARG_WITH(sectok,
2582         [  --with-sectok           Enable smartcard support using libsectok],
2583         [
2584                 if test "x$withval" != "xno" ; then
2585                         if test "x$withval" != "xyes" ; then
2586                                 CPPFLAGS="$CPPFLAGS -I${withval}"
2587                                 LDFLAGS="$LDFLAGS -L${withval}"
2588                                 if test ! -z "$need_dash_r" ; then
2589                                         LDFLAGS="$LDFLAGS -R${withval}"
2590                                 fi
2591                                 if test ! -z "$blibpath" ; then
2592                                         blibpath="$blibpath:${withval}"
2593                                 fi
2594                         fi
2595                         AC_CHECK_HEADERS(sectok.h)
2596                         if test "$ac_cv_header_sectok_h" != yes; then
2597                                 AC_MSG_ERROR(Can't find sectok.h)
2598                         fi
2599                         AC_CHECK_LIB(sectok, sectok_open)
2600                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
2601                                 AC_MSG_ERROR(Can't find libsectok)
2602                         fi
2603                         AC_DEFINE(SMARTCARD)
2604                         AC_DEFINE(USE_SECTOK)
2605                         SCARD_MSG="yes, using sectok"
2606                 fi
2607         ]
2608 )
2609
2610 # Check whether user wants OpenSC support
2611 OPENSC_CONFIG="no"
2612 AC_ARG_WITH(opensc,
2613         [--with-opensc[[=PFX]]       Enable smartcard support using OpenSC (optionally in PATH)],
2614         [
2615             if test "x$withval" != "xno" ; then
2616                 if test "x$withval" != "xyes" ; then
2617                         OPENSC_CONFIG=$withval/bin/opensc-config
2618                 else
2619                         AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
2620                 fi
2621                 if test "$OPENSC_CONFIG" != "no"; then
2622                         LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
2623                         LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
2624                         CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
2625                         LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"
2626                         AC_DEFINE(SMARTCARD)
2627                         AC_DEFINE(USE_OPENSC)
2628                         SCARD_MSG="yes, using OpenSC"
2629                 fi
2630             fi
2631         ]
2632 )
2633
2634 # Check libraries needed by DNS fingerprint support
2635 AC_SEARCH_LIBS(getrrsetbyname, resolv,
2636         [AC_DEFINE(HAVE_GETRRSETBYNAME)],
2637         [
2638                 # Needed by our getrrsetbyname()
2639                 AC_SEARCH_LIBS(res_query, resolv)
2640                 AC_SEARCH_LIBS(dn_expand, resolv)
2641                 AC_MSG_CHECKING(if res_query will link)
2642                 AC_TRY_LINK_FUNC(res_query, AC_MSG_RESULT(yes),
2643                    [AC_MSG_RESULT(no)
2644                     saved_LIBS="$LIBS"
2645                     LIBS="$LIBS -lresolv"
2646                     AC_MSG_CHECKING(for res_query in -lresolv)
2647                     AC_LINK_IFELSE([
2648 #include <resolv.h>
2649 int main()
2650 {
2651         res_query (0, 0, 0, 0, 0);
2652         return 0;
2653 }
2654                         ],
2655                         [LIBS="$LIBS -lresolv"
2656                          AC_MSG_RESULT(yes)],
2657                         [LIBS="$saved_LIBS"
2658                          AC_MSG_RESULT(no)])
2659                     ])
2660                 AC_CHECK_FUNCS(_getshort _getlong)
2661                 AC_CHECK_DECLS([_getshort, _getlong], , ,
2662                     [#include <sys/types.h>
2663                     #include <arpa/nameser.h>])
2664                 AC_CHECK_MEMBER(HEADER.ad,
2665                         [AC_DEFINE(HAVE_HEADER_AD)],,
2666                         [#include <arpa/nameser.h>])
2667         ])
2668
2669 # Check whether user wants Kerberos 5 support
2670 KRB5_MSG="no"
2671 AC_ARG_WITH(kerberos5,
2672         [  --with-kerberos5=PATH   Enable Kerberos 5 support],
2673         [ if test "x$withval" != "xno" ; then
2674                 if test "x$withval" = "xyes" ; then
2675                         KRB5ROOT="/usr/local"
2676                 else
2677                         KRB5ROOT=${withval}
2678                 fi
2679
2680                 AC_DEFINE(KRB5)
2681                 KRB5_MSG="yes"
2682
2683                 AC_MSG_CHECKING(for krb5-config)
2684                 if test -x  $KRB5ROOT/bin/krb5-config ; then
2685                         KRB5CONF=$KRB5ROOT/bin/krb5-config
2686                         AC_MSG_RESULT($KRB5CONF)
2687
2688                         AC_MSG_CHECKING(for gssapi support)
2689                         if $KRB5CONF | grep gssapi >/dev/null ; then
2690                                 AC_MSG_RESULT(yes)
2691                                 AC_DEFINE(GSSAPI)
2692                                 k5confopts=gssapi
2693                         else
2694                                 AC_MSG_RESULT(no)
2695                                 k5confopts=""
2696                         fi
2697                         K5CFLAGS="`$KRB5CONF --cflags $k5confopts`"
2698                         K5LIBS="`$KRB5CONF --libs $k5confopts`"
2699                         CPPFLAGS="$CPPFLAGS $K5CFLAGS"
2700                         AC_MSG_CHECKING(whether we are using Heimdal)
2701                         AC_TRY_COMPILE([ #include <krb5.h> ],
2702                                        [ char *tmp = heimdal_version; ],
2703                                        [ AC_MSG_RESULT(yes)
2704                                          AC_DEFINE(HEIMDAL) ],
2705                                          AC_MSG_RESULT(no)
2706                         )
2707                 else
2708                         AC_MSG_RESULT(no)
2709                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
2710                         LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
2711                         AC_MSG_CHECKING(whether we are using Heimdal)
2712                         AC_TRY_COMPILE([ #include <krb5.h> ],
2713                                        [ char *tmp = heimdal_version; ],
2714                                        [ AC_MSG_RESULT(yes)
2715                                          AC_DEFINE(HEIMDAL)
2716                                          K5LIBS="-lkrb5 -ldes"
2717                                          K5LIBS="$K5LIBS -lcom_err -lasn1"
2718                                          AC_CHECK_LIB(roken, net_write,
2719                                            [K5LIBS="$K5LIBS -lroken"])
2720                                        ],
2721                                        [ AC_MSG_RESULT(no)
2722                                          K5LIBS="-lkrb5 -lk5crypto -lcom_err"
2723                                        ]
2724                         )
2725                         AC_SEARCH_LIBS(dn_expand, resolv)
2726
2727                         AC_CHECK_LIB(gssapi,gss_init_sec_context,
2728                                 [ AC_DEFINE(GSSAPI)
2729                                   K5LIBS="-lgssapi $K5LIBS" ],
2730                                 [ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
2731                                         [ AC_DEFINE(GSSAPI)
2732                                           K5LIBS="-lgssapi_krb5 $K5LIBS" ],
2733                                         AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
2734                                         $K5LIBS)
2735                                 ],
2736                                 $K5LIBS)
2737
2738                         AC_CHECK_HEADER(gssapi.h, ,
2739                                 [ unset ac_cv_header_gssapi_h
2740                                   CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
2741                                   AC_CHECK_HEADERS(gssapi.h, ,
2742                                         AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
2743                                   )
2744                                 ]
2745                         )
2746
2747                         oldCPP="$CPPFLAGS"
2748                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
2749                         AC_CHECK_HEADER(gssapi_krb5.h, ,
2750                                         [ CPPFLAGS="$oldCPP" ])
2751
2752                 fi
2753                 if test ! -z "$need_dash_r" ; then
2754                         LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
2755                 fi
2756                 if test ! -z "$blibpath" ; then
2757                         blibpath="$blibpath:${KRB5ROOT}/lib"
2758                 fi
2759         fi
2760
2761         AC_CHECK_HEADERS(gssapi.h gssapi/gssapi.h)
2762         AC_CHECK_HEADERS(gssapi_krb5.h gssapi/gssapi_krb5.h)
2763         AC_CHECK_HEADERS(gssapi_generic.h gssapi/gssapi_generic.h)
2764
2765         LIBS="$LIBS $K5LIBS"
2766         AC_SEARCH_LIBS(k_hasafs, kafs, AC_DEFINE(USE_AFS))
2767         ]
2768 )
2769
2770 # Looking for programs, paths and files
2771
2772 PRIVSEP_PATH=/var/empty
2773 AC_ARG_WITH(privsep-path,
2774         [  --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)],
2775         [
2776                 if test -n "$withval"  &&  test "x$withval" != "xno"  &&  \
2777                     test "x${withval}" != "xyes"; then
2778                         PRIVSEP_PATH=$withval
2779                 fi
2780         ]
2781 )
2782 AC_SUBST(PRIVSEP_PATH)
2783
2784 AC_ARG_WITH(xauth,
2785         [  --with-xauth=PATH       Specify path to xauth program ],
2786         [
2787                 if test -n "$withval"  &&  test "x$withval" != "xno"  &&  \
2788                     test "x${withval}" != "xyes"; then
2789                         xauth_path=$withval
2790                 fi
2791         ],
2792         [
2793                 TestPath="$PATH"
2794                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X/bin"
2795                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/bin/X11"
2796                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X11R6/bin"
2797                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/openwin/bin"
2798                 AC_PATH_PROG(xauth_path, xauth, , $TestPath)
2799                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
2800                         xauth_path="/usr/openwin/bin/xauth"
2801                 fi
2802         ]
2803 )
2804
2805 STRIP_OPT=-s
2806 AC_ARG_ENABLE(strip,
2807         [  --disable-strip         Disable calling strip(1) on install],
2808         [
2809                 if test "x$enableval" = "xno" ; then
2810                         STRIP_OPT=
2811                 fi
2812         ]
2813 )
2814 AC_SUBST(STRIP_OPT)
2815
2816 if test -z "$xauth_path" ; then
2817         XAUTH_PATH="undefined"
2818         AC_SUBST(XAUTH_PATH)
2819 else
2820         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
2821         XAUTH_PATH=$xauth_path
2822         AC_SUBST(XAUTH_PATH)
2823 fi
2824
2825 # Check for mail directory (last resort if we cannot get it from headers)
2826 if test ! -z "$MAIL" ; then
2827         maildir=`dirname $MAIL`
2828         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
2829 fi
2830
2831 if test ! -z "$cross_compiling" && test "x$cross_compiling" = "xyes"; then
2832         AC_MSG_WARN([cross compiling: Disabling /dev/ptmx test])
2833         disable_ptmx_check=yes
2834 fi
2835 if test -z "$no_dev_ptmx" ; then
2836         if test "x$disable_ptmx_check" != "xyes" ; then
2837                 AC_CHECK_FILE("/dev/ptmx",
2838                         [
2839                                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
2840                                 have_dev_ptmx=1
2841                         ]
2842                 )
2843         fi
2844 fi
2845
2846 if test ! -z "$cross_compiling" && test "x$cross_compiling" != "xyes"; then
2847         AC_CHECK_FILE("/dev/ptc",
2848                 [
2849                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
2850                         have_dev_ptc=1
2851                 ]
2852         )
2853 else
2854         AC_MSG_WARN([cross compiling: Disabling /dev/ptc test])
2855 fi
2856
2857 # Options from here on. Some of these are preset by platform above
2858 AC_ARG_WITH(mantype,
2859         [  --with-mantype=man|cat|doc  Set man page type],
2860         [
2861                 case "$withval" in
2862                 man|cat|doc)
2863                         MANTYPE=$withval
2864                         ;;
2865                 *)
2866                         AC_MSG_ERROR(invalid man type: $withval)
2867                         ;;
2868                 esac
2869         ]
2870 )
2871 if test -z "$MANTYPE"; then
2872         TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb"
2873         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, $TestPath)
2874         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
2875                 MANTYPE=doc
2876         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
2877                 MANTYPE=man
2878         else
2879                 MANTYPE=cat
2880         fi
2881 fi
2882 AC_SUBST(MANTYPE)
2883 if test "$MANTYPE" = "doc"; then
2884         mansubdir=man;
2885 else
2886         mansubdir=$MANTYPE;
2887 fi
2888 AC_SUBST(mansubdir)
2889
2890 # Check whether to enable MD5 passwords
2891 MD5_MSG="no"
2892 AC_ARG_WITH(md5-passwords,
2893         [  --with-md5-passwords    Enable use of MD5 passwords],
2894         [
2895                 if test "x$withval" != "xno" ; then
2896                         AC_DEFINE(HAVE_MD5_PASSWORDS)
2897                         MD5_MSG="yes"
2898                 fi
2899         ]
2900 )
2901
2902 # Whether to disable shadow password support
2903 AC_ARG_WITH(shadow,
2904         [  --without-shadow        Disable shadow password support],
2905         [
2906                 if test "x$withval" = "xno" ; then
2907                         AC_DEFINE(DISABLE_SHADOW)
2908                         disable_shadow=yes
2909                 fi
2910         ]
2911 )
2912
2913 if test -z "$disable_shadow" ; then
2914         AC_MSG_CHECKING([if the systems has expire shadow information])
2915         AC_TRY_COMPILE(
2916         [
2917 #include <sys/types.h>
2918 #include <shadow.h>
2919         struct spwd sp;
2920         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
2921         [ sp_expire_available=yes ], []
2922         )
2923
2924         if test "x$sp_expire_available" = "xyes" ; then
2925                 AC_MSG_RESULT(yes)
2926                 AC_DEFINE(HAS_SHADOW_EXPIRE)
2927         else
2928                 AC_MSG_RESULT(no)
2929         fi
2930 fi
2931
2932 # Use ip address instead of hostname in $DISPLAY
2933 if test ! -z "$IPADDR_IN_DISPLAY" ; then
2934         DISPLAY_HACK_MSG="yes"
2935         AC_DEFINE(IPADDR_IN_DISPLAY)
2936 else
2937         DISPLAY_HACK_MSG="no"
2938         AC_ARG_WITH(ipaddr-display,
2939                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
2940                 [
2941                         if test "x$withval" != "xno" ; then
2942                                 AC_DEFINE(IPADDR_IN_DISPLAY)
2943                                 DISPLAY_HACK_MSG="yes"
2944                         fi
2945                 ]
2946         )
2947 fi
2948
2949 # check for /etc/default/login and use it if present.
2950 AC_ARG_ENABLE(etc-default-login,
2951         [  --disable-etc-default-login Disable using PATH from /etc/default/login [no]],
2952         [ if test "x$enableval" = "xno"; then
2953                 AC_MSG_NOTICE([/etc/default/login handling disabled])
2954                 etc_default_login=no
2955           else
2956                 etc_default_login=yes
2957           fi ],
2958         [ etc_default_login=yes ]
2959 )
2960
2961 if test "x$etc_default_login" != "xno"; then
2962         AC_CHECK_FILE("/etc/default/login",
2963             [ external_path_file=/etc/default/login ])
2964         if test ! -z "$cross_compiling" && test "x$cross_compiling" = "xyes";
2965         then
2966                 AC_MSG_WARN([cross compiling: Disabling /etc/default/login test])
2967         elif test "x$external_path_file" = "x/etc/default/login"; then
2968                 AC_DEFINE(HAVE_ETC_DEFAULT_LOGIN)
2969         fi
2970 fi
2971
2972 dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
2973 if test $ac_cv_func_login_getcapbool = "yes" && \
2974         test $ac_cv_header_login_cap_h = "yes" ; then
2975         external_path_file=/etc/login.conf
2976 fi
2977
2978 # Whether to mess with the default path
2979 SERVER_PATH_MSG="(default)"
2980 AC_ARG_WITH(default-path,
2981         [  --with-default-path=    Specify default \$PATH environment for server],
2982         [
2983                 if test "x$external_path_file" = "x/etc/login.conf" ; then
2984                         AC_MSG_WARN([
2985 --with-default-path=PATH has no effect on this system.
2986 Edit /etc/login.conf instead.])
2987                 elif test "x$withval" != "xno" ; then
2988                         if test ! -z "$external_path_file" ; then
2989                                 AC_MSG_WARN([
2990 --with-default-path=PATH will only be used if PATH is not defined in
2991 $external_path_file .])
2992                         fi
2993                         user_path="$withval"
2994                         SERVER_PATH_MSG="$withval"
2995                 fi
2996         ],
2997         [ if test "x$external_path_file" = "x/etc/login.conf" ; then
2998                 AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
2999         else
3000                 if test ! -z "$external_path_file" ; then
3001                         AC_MSG_WARN([
3002 If PATH is defined in $external_path_file, ensure the path to scp is included,
3003 otherwise scp will not work.])
3004                 fi
3005                 AC_TRY_RUN(
3006                         [
3007 /* find out what STDPATH is */
3008 #include <stdio.h>
3009 #ifdef HAVE_PATHS_H
3010 # include <paths.h>
3011 #endif
3012 #ifndef _PATH_STDPATH
3013 # ifdef _PATH_USERPATH  /* Irix */
3014 #  define _PATH_STDPATH _PATH_USERPATH
3015 # else
3016 #  define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
3017 # endif
3018 #endif
3019 #include <sys/types.h>
3020 #include <sys/stat.h>
3021 #include <fcntl.h>
3022 #define DATA "conftest.stdpath"
3023
3024 main()
3025 {
3026         FILE *fd;
3027         int rc;
3028
3029         fd = fopen(DATA,"w");
3030         if(fd == NULL)
3031                 exit(1);
3032
3033         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
3034                 exit(1);
3035
3036         exit(0);
3037 }
3038                 ], [ user_path=`cat conftest.stdpath` ],
3039                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
3040                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
3041         )
3042 # make sure $bindir is in USER_PATH so scp will work
3043                 t_bindir=`eval echo ${bindir}`
3044                 case $t_bindir in
3045                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
3046                 esac
3047                 case $t_bindir in
3048                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
3049                 esac
3050                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
3051                 if test $? -ne 0  ; then
3052                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
3053                         if test $? -ne 0  ; then
3054                                 user_path=$user_path:$t_bindir
3055                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
3056                         fi
3057                 fi
3058         fi ]
3059 )
3060 if test "x$external_path_file" != "x/etc/login.conf" ; then
3061         AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
3062         AC_SUBST(user_path)
3063 fi
3064
3065 # Set superuser path separately to user path
3066 AC_ARG_WITH(superuser-path,
3067         [  --with-superuser-path=  Specify different path for super-user],
3068         [
3069                 if test -n "$withval"  &&  test "x$withval" != "xno"  &&  \
3070                     test "x${withval}" != "xyes"; then
3071                         AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval")
3072                         superuser_path=$withval
3073                 fi
3074         ]
3075 )
3076
3077
3078 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
3079 IPV4_IN6_HACK_MSG="no"
3080 AC_ARG_WITH(4in6,
3081         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
3082         [
3083                 if test "x$withval" != "xno" ; then
3084                         AC_MSG_RESULT(yes)
3085                         AC_DEFINE(IPV4_IN_IPV6)
3086                         IPV4_IN6_HACK_MSG="yes"
3087                 else
3088                         AC_MSG_RESULT(no)
3089                 fi
3090         ],[
3091                 if test "x$inet6_default_4in6" = "xyes"; then
3092                         AC_MSG_RESULT([yes (default)])
3093                         AC_DEFINE(IPV4_IN_IPV6)
3094                         IPV4_IN6_HACK_MSG="yes"
3095                 else
3096                         AC_MSG_RESULT([no (default)])
3097                 fi
3098         ]
3099 )
3100
3101 # Whether to enable BSD auth support
3102 BSD_AUTH_MSG=no
3103 AC_ARG_WITH(bsd-auth,
3104         [  --with-bsd-auth         Enable BSD auth support],
3105         [
3106                 if test "x$withval" != "xno" ; then
3107                         AC_DEFINE(BSD_AUTH)
3108                         BSD_AUTH_MSG=yes
3109                 fi
3110         ]
3111 )
3112
3113 # Where to place sshd.pid
3114 piddir=/var/run
3115 # make sure the directory exists
3116 if test ! -d $piddir ; then
3117         piddir=`eval echo ${sysconfdir}`
3118         case $piddir in
3119                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
3120         esac
3121 fi
3122
3123 AC_ARG_WITH(pid-dir,
3124         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
3125         [
3126                 if test -n "$withval"  &&  test "x$withval" != "xno"  &&  \
3127                     test "x${withval}" != "xyes"; then
3128                         piddir=$withval
3129                         if test ! -d $piddir ; then
3130                         AC_MSG_WARN([** no $piddir directory on this system **])
3131                         fi
3132                 fi
3133         ]
3134 )
3135
3136 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
3137 AC_SUBST(piddir)
3138
3139 dnl allow user to disable some login recording features
3140 AC_ARG_ENABLE(lastlog,
3141         [  --disable-lastlog       disable use of lastlog even if detected [no]],
3142         [
3143                 if test "x$enableval" = "xno" ; then
3144                         AC_DEFINE(DISABLE_LASTLOG)
3145                 fi
3146         ]
3147 )
3148 AC_ARG_ENABLE(utmp,
3149         [  --disable-utmp          disable use of utmp even if detected [no]],
3150         [
3151                 if test "x$enableval" = "xno" ; then
3152                         AC_DEFINE(DISABLE_UTMP)
3153                 fi
3154         ]
3155 )
3156 AC_ARG_ENABLE(utmpx,
3157         [  --disable-utmpx         disable use of utmpx even if detected [no]],
3158         [
3159                 if test "x$enableval" = "xno" ; then
3160                         AC_DEFINE(DISABLE_UTMPX)
3161                 fi
3162         ]
3163 )
3164 AC_ARG_ENABLE(wtmp,
3165         [  --disable-wtmp          disable use of wtmp even if detected [no]],
3166         [
3167                 if test "x$enableval" = "xno" ; then
3168                         AC_DEFINE(DISABLE_WTMP)
3169                 fi
3170         ]
3171 )
3172 AC_ARG_ENABLE(wtmpx,
3173         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
3174         [
3175                 if test "x$enableval" = "xno" ; then
3176                         AC_DEFINE(DISABLE_WTMPX)
3177                 fi
3178         ]
3179 )
3180 AC_ARG_ENABLE(libutil,
3181         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
3182         [
3183                 if test "x$enableval" = "xno" ; then
3184                         AC_DEFINE(DISABLE_LOGIN)
3185                 fi
3186         ]
3187 )
3188 AC_ARG_ENABLE(pututline,
3189         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
3190         [
3191                 if test "x$enableval" = "xno" ; then
3192                         AC_DEFINE(DISABLE_PUTUTLINE)
3193                 fi
3194         ]
3195 )
3196 AC_ARG_ENABLE(pututxline,
3197         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
3198         [
3199                 if test "x$enableval" = "xno" ; then
3200                         AC_DEFINE(DISABLE_PUTUTXLINE)
3201                 fi
3202         ]
3203 )
3204 AC_ARG_WITH(lastlog,
3205   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
3206         [
3207                 if test "x$withval" = "xno" ; then
3208                         AC_DEFINE(DISABLE_LASTLOG)
3209                 elif test -n "$withval"  &&  test "x${withval}" != "xyes"; then
3210                         conf_lastlog_location=$withval
3211                 fi
3212         ]
3213 )
3214
3215 dnl lastlog, [uw]tmpx? detection
3216 dnl  NOTE: set the paths in the platform section to avoid the
3217 dnl   need for command-line parameters
3218 dnl lastlog and [uw]tmp are subject to a file search if all else fails
3219
3220 dnl lastlog detection
3221 dnl  NOTE: the code itself will detect if lastlog is a directory
3222 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
3223 AC_TRY_COMPILE([
3224 #include <sys/types.h>
3225 #include <utmp.h>
3226 #ifdef HAVE_LASTLOG_H
3227 #  include <lastlog.h>
3228 #endif
3229 #ifdef HAVE_PATHS_H
3230 #  include <paths.h>
3231 #endif
3232 #ifdef HAVE_LOGIN_H
3233 # include <login.h>
3234 #endif
3235         ],
3236         [ char *lastlog = LASTLOG_FILE; ],
3237         [ AC_MSG_RESULT(yes) ],
3238         [
3239                 AC_MSG_RESULT(no)
3240                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
3241                 AC_TRY_COMPILE([
3242 #include <sys/types.h>
3243 #include <utmp.h>
3244 #ifdef HAVE_LASTLOG_H
3245 #  include <lastlog.h>
3246 #endif
3247 #ifdef HAVE_PATHS_H
3248 #  include <paths.h>
3249 #endif
3250                 ],
3251                 [ char *lastlog = _PATH_LASTLOG; ],
3252                 [ AC_MSG_RESULT(yes) ],
3253                 [
3254                         AC_MSG_RESULT(no)
3255                         system_lastlog_path=no
3256                 ])
3257         ]
3258 )
3259
3260 if test -z "$conf_lastlog_location"; then
3261         if test x"$system_lastlog_path" = x"no" ; then
3262                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
3263                                 if (test -d "$f" || test -f "$f") ; then
3264                                         conf_lastlog_location=$f
3265                                 fi
3266                 done
3267                 if test -z "$conf_lastlog_location"; then
3268                         AC_MSG_WARN([** Cannot find lastlog **])
3269                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
3270                 fi
3271         fi
3272 fi
3273
3274 if test -n "$conf_lastlog_location"; then
3275         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
3276 fi
3277
3278 dnl utmp detection
3279 AC_MSG_CHECKING([if your system defines UTMP_FILE])
3280 AC_TRY_COMPILE([
3281 #include <sys/types.h>
3282 #include <utmp.h>
3283 #ifdef HAVE_PATHS_H
3284 #  include <paths.h>
3285 #endif
3286         ],
3287         [ char *utmp = UTMP_FILE; ],
3288         [ AC_MSG_RESULT(yes) ],
3289         [ AC_MSG_RESULT(no)
3290           system_utmp_path=no ]
3291 )
3292 if test -z "$conf_utmp_location"; then
3293         if test x"$system_utmp_path" = x"no" ; then
3294                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
3295                         if test -f $f ; then
3296                                 conf_utmp_location=$f
3297                         fi
3298                 done
3299                 if test -z "$conf_utmp_location"; then
3300                         AC_DEFINE(DISABLE_UTMP)
3301                 fi
3302         fi
3303 fi
3304 if test -n "$conf_utmp_location"; then
3305         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
3306 fi
3307
3308 dnl wtmp detection
3309 AC_MSG_CHECKING([if your system defines WTMP_FILE])
3310 AC_TRY_COMPILE([
3311 #include <sys/types.h>
3312 #include <utmp.h>
3313 #ifdef HAVE_PATHS_H
3314 #  include <paths.h>
3315 #endif
3316         ],
3317         [ char *wtmp = WTMP_FILE; ],
3318         [ AC_MSG_RESULT(yes) ],
3319         [ AC_MSG_RESULT(no)
3320           system_wtmp_path=no ]
3321 )
3322 if test -z "$conf_wtmp_location"; then
3323         if test x"$system_wtmp_path" = x"no" ; then
3324                 for f in /usr/adm/wtmp /var/log/wtmp; do
3325                         if test -f $f ; then
3326                                 conf_wtmp_location=$f
3327                         fi
3328                 done
3329                 if test -z "$conf_wtmp_location"; then
3330                         AC_DEFINE(DISABLE_WTMP)
3331                 fi
3332         fi
3333 fi
3334 if test -n "$conf_wtmp_location"; then
3335         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
3336 fi
3337
3338
3339 dnl utmpx detection - I don't know any system so perverse as to require
3340 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
3341 dnl  there, though.
3342 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
3343 AC_TRY_COMPILE([
3344 #include <sys/types.h>
3345 #include <utmp.h>
3346 #ifdef HAVE_UTMPX_H
3347 #include <utmpx.h>
3348 #endif
3349 #ifdef HAVE_PATHS_H
3350 #  include <paths.h>
3351 #endif
3352         ],
3353         [ char *utmpx = UTMPX_FILE; ],
3354         [ AC_MSG_RESULT(yes) ],
3355         [ AC_MSG_RESULT(no)
3356           system_utmpx_path=no ]
3357 )
3358 if test -z "$conf_utmpx_location"; then
3359         if test x"$system_utmpx_path" = x"no" ; then
3360                 AC_DEFINE(DISABLE_UTMPX)
3361         fi
3362 else
3363         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
3364 fi
3365
3366 dnl wtmpx detection
3367 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
3368 AC_TRY_COMPILE([
3369 #include <sys/types.h>
3370 #include <utmp.h>
3371 #ifdef HAVE_UTMPX_H
3372 #include <utmpx.h>
3373 #endif
3374 #ifdef HAVE_PATHS_H
3375 #  include <paths.h>
3376 #endif
3377         ],
3378         [ char *wtmpx = WTMPX_FILE; ],
3379         [ AC_MSG_RESULT(yes) ],
3380         [ AC_MSG_RESULT(no)
3381           system_wtmpx_path=no ]
3382 )
3383 if test -z "$conf_wtmpx_location"; then
3384         if test x"$system_wtmpx_path" = x"no" ; then
3385                 AC_DEFINE(DISABLE_WTMPX)
3386         fi
3387 else
3388         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
3389 fi
3390
3391
3392 if test ! -z "$blibpath" ; then
3393         LDFLAGS="$LDFLAGS $blibflags$blibpath"
3394         AC_MSG_WARN([Please check and edit blibpath in LDFLAGS in Makefile])
3395 fi
3396
3397 dnl remove pam and dl because they are in $LIBPAM
3398 if test "$PAM_MSG" = yes ; then
3399         LIBS=`echo $LIBS | sed 's/-lpam //'`
3400 fi
3401 if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
3402         LIBS=`echo $LIBS | sed 's/-ldl //'`
3403 fi
3404
3405 dnl Adding -Werror to CFLAGS early prevents configure tests from running.
3406 dnl Add now.
3407 CFLAGS="$CFLAGS $werror_flags"
3408
3409 AC_EXEEXT
3410 AC_CONFIG_FILES([Makefile buildpkg.sh opensshd.init openbsd-compat/Makefile \
3411         scard/Makefile ssh_prng_cmds survey.sh])
3412 AC_OUTPUT
3413
3414 # Print summary of options
3415
3416 # Someone please show me a better way :)
3417 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
3418 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
3419 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
3420 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
3421 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
3422 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
3423 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
3424 H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
3425 I=`eval echo ${user_path}` ; I=`eval echo ${I}`
3426 J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
3427
3428 echo ""
3429 echo "OpenSSH has been configured with the following options:"
3430 echo "                     User binaries: $B"
3431 echo "                   System binaries: $C"
3432 echo "               Configuration files: $D"
3433 echo "                   Askpass program: $E"
3434 echo "                      Manual pages: $F"
3435 echo "                          PID file: $G"
3436 echo "  Privilege separation chroot path: $H"
3437 if test "x$external_path_file" = "x/etc/login.conf" ; then
3438 echo "   At runtime, sshd will use the path defined in $external_path_file"
3439 echo "   Make sure the path to scp is present, otherwise scp will not work"
3440 else
3441 echo "            sshd default user PATH: $I"
3442         if test ! -z "$external_path_file"; then
3443 echo "   (If PATH is set in $external_path_file it will be used instead. If"
3444 echo "   used, ensure the path to scp is present, otherwise scp will not work.)"
3445         fi
3446 fi
3447 if test ! -z "$superuser_path" ; then
3448 echo "          sshd superuser user PATH: $J"
3449 fi
3450 echo "                    Manpage format: $MANTYPE"
3451 echo "                       PAM support: $PAM_MSG"
3452 echo "                 KerberosV support: $KRB5_MSG"
3453 echo "                 Smartcard support: $SCARD_MSG"
3454 echo "                     S/KEY support: $SKEY_MSG"
3455 echo "              TCP Wrappers support: $TCPW_MSG"
3456 echo "              MD5 password support: $MD5_MSG"
3457 echo "                   libedit support: $LIBEDIT_MSG"
3458 echo "       IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
3459 echo "           Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
3460 echo "                  BSD Auth support: $BSD_AUTH_MSG"
3461 echo "              Random number source: $RAND_MSG"
3462 if test ! -z "$USE_RAND_HELPER" ; then
3463 echo "     ssh-rand-helper collects from: $RAND_HELPER_MSG"
3464 fi
3465
3466 echo ""
3467
3468 echo "              Host: ${host}"
3469 echo "          Compiler: ${CC}"
3470 echo "    Compiler flags: ${CFLAGS}"
3471 echo "Preprocessor flags: ${CPPFLAGS}"
3472 echo "      Linker flags: ${LDFLAGS}"
3473 echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
3474
3475 echo ""
3476
3477 if test "x$MAKE_PACKAGE_SUPPORTED" = "xyes" ; then
3478         echo "SVR4 style packages are supported with \"make package\""
3479         echo ""
3480 fi
3481
3482 if test "x$PAM_MSG" = "xyes" ; then
3483         echo "PAM is enabled. You may need to install a PAM control file "
3484         echo "for sshd, otherwise password authentication may fail. "
3485         echo "Example PAM control files can be found in the contrib/ "
3486         echo "subdirectory"
3487         echo ""
3488 fi
3489
3490 if test ! -z "$RAND_HELPER_CMDHASH" ; then
3491         echo "WARNING: you are using the builtin random number collection "
3492         echo "service. Please read WARNING.RNG and request that your OS "
3493         echo "vendor includes kernel-based random number collection in "
3494         echo "future versions of your OS."
3495         echo ""
3496 fi
3497
3498 if test ! -z "$NO_PEERCHECK" ; then
3499         echo "WARNING: the operating system that you are using does not "
3500         echo "appear to support either the getpeereid() API nor the "
3501         echo "SO_PEERCRED getsockopt() option. These facilities are used to "
3502         echo "enforce security checks to prevent unauthorised connections to "
3503         echo "ssh-agent. Their absence increases the risk that a malicious "
3504         echo "user can connect to your agent. "
3505         echo ""
3506 fi
3507
3508 if test "$AUDIT_MODULE" = "bsm" ; then
3509         echo "WARNING: BSM audit support is currently considered EXPERIMENTAL."
3510         echo "See the Solaris section in README.platform for details."
3511 fi