openssh/configure.ac

   1 # $Id$
   2
   3 AC_INIT
   4 AC_CONFIG_SRCDIR([ssh.c])
   5
   6 AC_CONFIG_HEADER(config.h)
   7 AC_PROG_CC
   8 AC_CANONICAL_HOST
   9 AC_C_BIGENDIAN
  10
  11 # Checks for programs.
  12 AC_PROG_AWK
  13 AC_PROG_CPP
  14 AC_PROG_RANLIB
  15 AC_PROG_INSTALL
  16 AC_PATH_PROG(AR, ar)
  17 AC_PATH_PROGS(PERL, perl5 perl)
  18 AC_PATH_PROG(SED, sed)
  19 AC_SUBST(PERL)
  20 AC_PATH_PROG(ENT, ent)
  21 AC_SUBST(ENT)
  22 AC_PATH_PROG(TEST_MINUS_S_SH, bash)
  23 AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
  24 AC_PATH_PROG(TEST_MINUS_S_SH, sh)
  25 AC_PATH_PROG(SH, sh)
  26
  27 # System features
  28 AC_SYS_LARGEFILE
  29
  30 if test -z "$AR" ; then
  31         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  32 fi
  33
  34 # Use LOGIN_PROGRAM from environment if possible
  35 if test ! -z "$LOGIN_PROGRAM" ; then
  36         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  37 else
  38         # Search for login
  39         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  40         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  41                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  42         fi
  43 fi
  44
  45 if test -z "$LD" ; then
  46         LD=$CC
  47 fi
  48 AC_SUBST(LD)
  49
  50 AC_C_INLINE
  51 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
  52         CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wno-uninitialized"
  53 fi
  54
  55 # Check for some target-specific stuff
  56 case "$host" in
  57 *-*-aix*)
  58         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
  59         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  60         AC_MSG_CHECKING([how to specify blibpath for linker ($LD)])
  61         if (test -z "$blibpath"); then
  62                 blibpath="/usr/lib:/lib:/usr/local/lib"
  63         fi
  64         saved_LDFLAGS="$LDFLAGS"
  65         for tryflags in -blibpath: -Wl,-blibpath: -Wl,-rpath, ;do
  66                 if (test -z "$blibflags"); then
  67                         LDFLAGS="$saved_LDFLAGS $tryflags$blibpath"
  68                         AC_TRY_LINK([], [], [blibflags=$tryflags])
  69                 fi
  70         done
  71         if (test -z "$blibflags"); then
  72                 AC_MSG_RESULT(not found)
  73                 AC_MSG_ERROR([*** must be able to specify blibpath on AIX - check config.log])
  74         else
  75                 AC_MSG_RESULT($blibflags)
  76         fi
  77         LDFLAGS="$saved_LDFLAGS"
  78         dnl Check for authenticate.  Might be in libs.a on older AIXes
  79         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)],
  80                 [AC_CHECK_LIB(s,authenticate,
  81                         [ AC_DEFINE(WITH_AIXAUTHENTICATE)
  82                                 LIBS="$LIBS -ls"
  83                         ])
  84                 ])
  85         dnl Check if loginfailed is declared and takes 4 arguments (AIX >= 5.2)
  86         AC_CHECK_DECL(loginfailed,
  87                  [AC_MSG_CHECKING(if loginfailed takes 4 arguments)
  88                   AC_TRY_COMPILE(
  89                         [#include <usersec.h>],
  90                         [(void)loginfailed("user","host","tty",0);],
  91                         [AC_MSG_RESULT(yes)
  92                          AC_DEFINE(AIX_LOGINFAILED_4ARG)],
  93                         [AC_MSG_RESULT(no)]
  94                 )],
  95                 [],
  96                 [#include <usersec.h>]
  97         )
  98         AC_CHECK_FUNCS(setauthdb)
  99         AC_DEFINE(BROKEN_GETADDRINFO)
 100         AC_DEFINE(BROKEN_REALPATH)
 101         AC_DEFINE(SETEUID_BREAKS_SETUID)
 102         AC_DEFINE(BROKEN_SETREUID)
 103         AC_DEFINE(BROKEN_SETREGID)
 104         dnl AIX handles lastlog as part of its login message
 105         AC_DEFINE(DISABLE_LASTLOG)
 106         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 107         AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)
 108         ;;
 109 *-*-cygwin*)
 110         check_for_libcrypt_later=1
 111         LIBS="$LIBS /usr/lib/textmode.o"
 112         AC_DEFINE(HAVE_CYGWIN)
 113         AC_DEFINE(USE_PIPES)
 114         AC_DEFINE(DISABLE_SHADOW)
 115         AC_DEFINE(IP_TOS_IS_BROKEN)
 116         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 117         AC_DEFINE(NO_IPPORT_RESERVED_CONCEPT)
 118         AC_DEFINE(DISABLE_FD_PASSING)
 119         AC_DEFINE(SETGROUPS_NOOP)
 120         ;;
 121 *-*-dgux*)
 122         AC_DEFINE(IP_TOS_IS_BROKEN)
 123         ;;
 124 *-*-darwin*)
 125         AC_MSG_CHECKING(if we have working getaddrinfo)
 126         AC_TRY_RUN([#include <mach-o/dyld.h>
 127 main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
 128                 exit(0);
 129         else
 130                 exit(1);
 131 }], [AC_MSG_RESULT(working)],
 132         [AC_MSG_RESULT(buggy)
 133         AC_DEFINE(BROKEN_GETADDRINFO)],
 134         [AC_MSG_RESULT(assume it is working)])
 135         AC_DEFINE(SETEUID_BREAKS_SETUID)
 136         AC_DEFINE(BROKEN_SETREUID)
 137         AC_DEFINE(BROKEN_SETREGID)
 138         ;;
 139 *-*-hpux10.26)
 140         if test -z "$GCC"; then
 141                 CFLAGS="$CFLAGS -Ae"
 142         fi
 143         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 144         IPADDR_IN_DISPLAY=yes
 145         AC_DEFINE(HAVE_SECUREWARE)
 146         AC_DEFINE(USE_PIPES)
 147         AC_DEFINE(LOGIN_NO_ENDOPT)
 148         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 149         AC_DEFINE(DISABLE_SHADOW)
 150         AC_DEFINE(DISABLE_UTMP)
 151         AC_DEFINE(LOCKED_PASSWD_STRING, "*")
 152         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 153         LIBS="$LIBS -lsec -lsecpw"
 154         AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
 155         disable_ptmx_check=yes
 156         ;;
 157 *-*-hpux10*)
 158         if test -z "$GCC"; then
 159                 CFLAGS="$CFLAGS -Ae"
 160         fi
 161         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 162         IPADDR_IN_DISPLAY=yes
 163         AC_DEFINE(USE_PIPES)
 164         AC_DEFINE(LOGIN_NO_ENDOPT)
 165         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 166         AC_DEFINE(DISABLE_SHADOW)
 167         AC_DEFINE(DISABLE_UTMP)
 168         AC_DEFINE(LOCKED_PASSWD_STRING, "*")
 169         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 170         LIBS="$LIBS -lsec"
 171         AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
 172         ;;
 173 *-*-hpux11*)
 174         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 175         IPADDR_IN_DISPLAY=yes
 176         AC_DEFINE(PAM_SUN_CODEBASE)
 177         AC_DEFINE(USE_PIPES)
 178         AC_DEFINE(LOGIN_NO_ENDOPT)
 179         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 180         AC_DEFINE(DISABLE_SHADOW)
 181         AC_DEFINE(DISABLE_UTMP)
 182         AC_DEFINE(LOCKED_PASSWD_STRING, "*")
 183         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 184         LIBS="$LIBS -lsec"
 185         AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
 186         ;;
 187 *-*-irix5*)
 188         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 189         LDFLAGS="$LDFLAGS"
 190         PATH="$PATH:/usr/etc"
 191         AC_DEFINE(BROKEN_INET_NTOA)
 192         AC_DEFINE(WITH_ABBREV_NO_TTY)
 193         AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
 194         ;;
 195 *-*-irix6*)
 196         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 197         LDFLAGS="$LDFLAGS"
 198         PATH="$PATH:/usr/etc"
 199         AC_DEFINE(WITH_IRIX_ARRAY)
 200         AC_DEFINE(WITH_IRIX_PROJECT)
 201         AC_DEFINE(WITH_IRIX_AUDIT)
 202         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 203         AC_DEFINE(BROKEN_INET_NTOA)
 204         AC_DEFINE(SETEUID_BREAKS_SETUID)
 205         AC_DEFINE(BROKEN_SETREUID)
 206         AC_DEFINE(BROKEN_SETREGID)
 207         AC_DEFINE(WITH_ABBREV_NO_TTY)
 208         AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
 209         ;;
 210 *-*-linux*)
 211         no_dev_ptmx=1
 212         check_for_libcrypt_later=1
 213         check_for_openpty_ctty_bug=1
 214         AC_DEFINE(DONT_TRY_OTHER_AF)
 215         AC_DEFINE(PAM_TTY_KLUDGE)
 216         AC_DEFINE(LOCKED_PASSWD_PREFIX, "!!")
 217         AC_DEFINE(SPT_TYPE,SPT_REUSEARGV)
 218         inet6_default_4in6=yes
 219         case `uname -r` in
 220         1.*|2.0.*)
 221                 AC_DEFINE(BROKEN_CMSG_TYPE)
 222                 ;;
 223         esac
 224         ;;
 225 mips-sony-bsd|mips-sony-newsos4)
 226         AC_DEFINE(HAVE_NEWS4)
 227         SONY=1
 228         ;;
 229 *-*-netbsd*)
 230         check_for_libcrypt_before=1
 231         need_dash_r=1
 232         ;;
 233 *-*-freebsd*)
 234         check_for_libcrypt_later=1
 235         ;;
 236 *-*-bsdi*)
 237         AC_DEFINE(SETEUID_BREAKS_SETUID)
 238         AC_DEFINE(BROKEN_SETREUID)
 239         AC_DEFINE(BROKEN_SETREGID)
 240         ;;
 241 *-next-*)
 242         conf_lastlog_location="/usr/adm/lastlog"
 243         conf_utmp_location=/etc/utmp
 244         conf_wtmp_location=/usr/adm/wtmp
 245         MAIL=/usr/spool/mail
 246         AC_DEFINE(HAVE_NEXT)
 247         AC_DEFINE(BROKEN_REALPATH)
 248         AC_DEFINE(USE_PIPES)
 249         AC_DEFINE(BROKEN_SAVED_UIDS)
 250         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 251         CFLAGS="$CFLAGS"
 252         ;;
 253 *-*-solaris*)
 254         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 255         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 256         need_dash_r=1
 257         AC_DEFINE(PAM_SUN_CODEBASE)
 258         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 259         AC_DEFINE(LOGIN_NEEDS_TERM)
 260         AC_DEFINE(PAM_TTY_KLUDGE)
 261         AC_DEFINE(LOCKED_PASSWD_STRING, "*LK*")
 262         # Pushing STREAMS modules will cause sshd to acquire a controlling tty.
 263         AC_DEFINE(SSHD_ACQUIRES_CTTY)
 264         external_path_file=/etc/default/login
 265         # hardwire lastlog location (can't detect it on some versions)
 266         conf_lastlog_location="/var/adm/lastlog"
 267         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 268         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 269         if test "$sol2ver" -ge 8; then
 270                 AC_MSG_RESULT(yes)
 271                 AC_DEFINE(DISABLE_UTMP)
 272                 AC_DEFINE(DISABLE_WTMP)
 273         else
 274                 AC_MSG_RESULT(no)
 275         fi
 276         ;;
 277 *-*-sunos4*)
 278         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 279         AC_CHECK_FUNCS(getpwanam)
 280         AC_DEFINE(PAM_SUN_CODEBASE)
 281         conf_utmp_location=/etc/utmp
 282         conf_wtmp_location=/var/adm/wtmp
 283         conf_lastlog_location=/var/adm/lastlog
 284         AC_DEFINE(USE_PIPES)
 285         ;;
 286 *-ncr-sysv*)
 287         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 288         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 289         LIBS="$LIBS -lc89"
 290         AC_DEFINE(USE_PIPES)
 291         AC_DEFINE(SSHD_ACQUIRES_CTTY)
 292         AC_DEFINE(SETEUID_BREAKS_SETUID)
 293         AC_DEFINE(BROKEN_SETREUID)
 294         AC_DEFINE(BROKEN_SETREGID)
 295         ;;
 296 *-sni-sysv*)
 297         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 298         # /usr/ucblib MUST NOT be searched on ReliantUNIX
 299         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 300         IPADDR_IN_DISPLAY=yes
 301         AC_DEFINE(USE_PIPES)
 302         AC_DEFINE(IP_TOS_IS_BROKEN)
 303         AC_DEFINE(SSHD_ACQUIRES_CTTY)
 304         external_path_file=/etc/default/login
 305         # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
 306         # Attention: always take care to bind libsocket and libnsl before libc,
 307         # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
 308         ;;
 309 *-*-sysv4.2*)
 310         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 311         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 312         AC_DEFINE(USE_PIPES)
 313         AC_DEFINE(SETEUID_BREAKS_SETUID)
 314         AC_DEFINE(BROKEN_SETREUID)
 315         AC_DEFINE(BROKEN_SETREGID)
 316         ;;
 317 *-*-sysv5*)
 318         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 319         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 320         AC_DEFINE(USE_PIPES)
 321         AC_DEFINE(SETEUID_BREAKS_SETUID)
 322         AC_DEFINE(BROKEN_SETREUID)
 323         AC_DEFINE(BROKEN_SETREGID)
 324         ;;
 325 *-*-sysv*)
 326         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 327         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 328         ;;
 329 *-*-sco3.2v4*)
 330         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 331         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 332         LIBS="$LIBS -los -lprot -lx -ltinfo -lm"
 333         RANLIB=true
 334         no_dev_ptmx=1
 335         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 336         AC_DEFINE(USE_PIPES)
 337         AC_DEFINE(HAVE_SECUREWARE)
 338         AC_DEFINE(DISABLE_SHADOW)
 339         AC_DEFINE(BROKEN_SAVED_UIDS)
 340         AC_DEFINE(WITH_ABBREV_NO_TTY)
 341         AC_CHECK_FUNCS(getluid setluid)
 342         MANTYPE=man
 343         do_sco3_extra_lib_check=yes
 344         ;;
 345 *-*-sco3.2v5*)
 346         if test -z "$GCC"; then
 347                 CFLAGS="$CFLAGS -belf"
 348         fi
 349         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 350         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 351         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 352         no_dev_ptmx=1
 353         AC_DEFINE(USE_PIPES)
 354         AC_DEFINE(HAVE_SECUREWARE)
 355         AC_DEFINE(DISABLE_SHADOW)
 356         AC_DEFINE(DISABLE_FD_PASSING)
 357         AC_DEFINE(SETEUID_BREAKS_SETUID)
 358         AC_DEFINE(BROKEN_SETREUID)
 359         AC_DEFINE(BROKEN_SETREGID)
 360         AC_DEFINE(WITH_ABBREV_NO_TTY)
 361         AC_CHECK_FUNCS(getluid setluid)
 362         MANTYPE=man
 363         ;;
 364 *-*-unicosmk*)
 365         AC_DEFINE(USE_PIPES)
 366         AC_DEFINE(DISABLE_FD_PASSING)
 367         LDFLAGS="$LDFLAGS"
 368         LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
 369         MANTYPE=cat
 370         ;;
 371 *-*-unicosmp*)
 372         AC_DEFINE(WITH_ABBREV_NO_TTY)
 373         AC_DEFINE(USE_PIPES)
 374         AC_DEFINE(DISABLE_FD_PASSING)
 375         LDFLAGS="$LDFLAGS"
 376         LIBS="$LIBS -lgen -lacid"
 377         MANTYPE=cat
 378         ;;
 379 *-*-unicos*)
 380         AC_DEFINE(USE_PIPES)
 381         AC_DEFINE(DISABLE_FD_PASSING)
 382         AC_DEFINE(NO_SSH_LASTLOG)
 383         LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal"
 384         LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
 385         MANTYPE=cat
 386         ;;
 387 *-dec-osf*)
 388         AC_MSG_CHECKING(for Digital Unix SIA)
 389         no_osfsia=""
 390         AC_ARG_WITH(osfsia,
 391                 [  --with-osfsia           Enable Digital Unix SIA],
 392                 [
 393                         if test "x$withval" = "xno" ; then
 394                                 AC_MSG_RESULT(disabled)
 395                                 no_osfsia=1
 396                         fi
 397                 ],
 398         )
 399         if test -z "$no_osfsia" ; then
 400                 if test -f /etc/sia/matrix.conf; then
 401                         AC_MSG_RESULT(yes)
 402                         AC_DEFINE(HAVE_OSF_SIA)
 403                         AC_DEFINE(DISABLE_LOGIN)
 404                         AC_DEFINE(DISABLE_FD_PASSING)
 405                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 406                 else
 407                         AC_MSG_RESULT(no)
 408                 fi
 409         fi
 410         AC_DEFINE(DISABLE_FD_PASSING)
 411         AC_DEFINE(BROKEN_GETADDRINFO)
 412         AC_DEFINE(SETEUID_BREAKS_SETUID)
 413         AC_DEFINE(BROKEN_SETREUID)
 414         AC_DEFINE(BROKEN_SETREGID)
 415         AC_DEFINE(LOCKED_PASSWD_SUBSTR, "Nologin")
 416         ;;
 417
 418 *-*-nto-qnx)
 419         AC_DEFINE(USE_PIPES)
 420         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 421         AC_DEFINE(MISSING_NFDBITS)
 422         AC_DEFINE(MISSING_HOWMANY)
 423         AC_DEFINE(MISSING_FD_MASK)
 424         ;;
 425 esac
 426
 427 # Allow user to specify flags
 428 AC_ARG_WITH(cflags,
 429         [  --with-cflags           Specify additional flags to pass to compiler],
 430         [
 431                 if test "x$withval" != "xno" ; then
 432                         CFLAGS="$CFLAGS $withval"
 433                 fi
 434         ]
 435 )
 436 AC_ARG_WITH(cppflags,
 437         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 438         [
 439                 if test "x$withval" != "xno"; then
 440                         CPPFLAGS="$CPPFLAGS $withval"
 441                 fi
 442         ]
 443 )
 444 AC_ARG_WITH(ldflags,
 445         [  --with-ldflags          Specify additional flags to pass to linker],
 446         [
 447                 if test "x$withval" != "xno" ; then
 448                         LDFLAGS="$LDFLAGS $withval"
 449                 fi
 450         ]
 451 )
 452 AC_ARG_WITH(libs,
 453         [  --with-libs             Specify additional libraries to link with],
 454         [
 455                 if test "x$withval" != "xno" ; then
 456                         LIBS="$LIBS $withval"
 457                 fi
 458         ]
 459 )
 460
 461 AC_MSG_CHECKING(compiler and flags for sanity)
 462 AC_TRY_RUN([
 463 #include <stdio.h>
 464 int main(){exit(0);}
 465         ],
 466         [       AC_MSG_RESULT(yes) ],
 467         [
 468                 AC_MSG_RESULT(no)
 469                 AC_MSG_ERROR([*** compiler cannot create working executables, check config.log ***])
 470         ]
 471 )
 472
 473 # Checks for header files.
 474 AC_CHECK_HEADERS(bstring.h crypt.h endian.h features.h floatingpoint.h \
 475         getopt.h glob.h ia.h lastlog.h limits.h login.h \
 476         login_cap.h maillock.h netdb.h netgroup.h \
 477         netinet/in_systm.h paths.h pty.h readpassphrase.h \
 478         rpc/types.h security/pam_appl.h shadow.h stddef.h stdint.h \
 479         strings.h sys/strtio.h sys/audit.h sys/bitypes.h sys/bsdtty.h \
 480         sys/cdefs.h sys/mman.h sys/pstat.h sys/select.h sys/stat.h \
 481         sys/stropts.h sys/sysmacros.h sys/time.h sys/timers.h \
 482         sys/un.h time.h tmpdir.h ttyent.h usersec.h \
 483         util.h utime.h utmp.h utmpx.h vis.h)
 484
 485 # Checks for libraries.
 486 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
 487 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
 488
 489 dnl SCO OS3 needs this for libwrap
 490 if test "x$with_tcp_wrappers" != "xno" ; then
 491     if test "x$do_sco3_extra_lib_check" = "xyes" ; then
 492         AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 493     fi
 494 fi
 495
 496 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 497 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 498         AC_CHECK_LIB(gen, dirname,[
 499                 AC_CACHE_CHECK([for broken dirname],
 500                         ac_cv_have_broken_dirname, [
 501                         save_LIBS="$LIBS"
 502                         LIBS="$LIBS -lgen"
 503                         AC_TRY_RUN(
 504                                 [
 505 #include <libgen.h>
 506 #include <string.h>
 507
 508 int main(int argc, char **argv) {
 509     char *s, buf[32];
 510
 511     strncpy(buf,"/etc", 32);
 512     s = dirname(buf);
 513     if (!s || strncmp(s, "/", 32) != 0) {
 514         exit(1);
 515     } else {
 516         exit(0);
 517     }
 518 }
 519                                 ],
 520                                 [ ac_cv_have_broken_dirname="no" ],
 521                                 [ ac_cv_have_broken_dirname="yes" ]
 522                         )
 523                         LIBS="$save_LIBS"
 524                 ])
 525                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 526                         LIBS="$LIBS -lgen"
 527                         AC_DEFINE(HAVE_DIRNAME)
 528                         AC_CHECK_HEADERS(libgen.h)
 529                 fi
 530         ])
 531 ])
 532
 533 AC_CHECK_FUNC(getspnam, ,
 534         AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
 535 AC_SEARCH_LIBS(basename, gen, AC_DEFINE(HAVE_BASENAME))
 536
 537 AC_ARG_WITH(rpath,
 538         [  --without-rpath         Disable auto-added -R linker paths],
 539         [
 540                 if test "x$withval" = "xno" ; then
 541                         need_dash_r=""
 542                 fi
 543                 if test "x$withval" = "xyes" ; then
 544                         need_dash_r=1
 545                 fi
 546         ]
 547 )
 548
 549 dnl zlib is required
 550 AC_ARG_WITH(zlib,
 551         [  --with-zlib=PATH        Use zlib in PATH],
 552         [
 553                 if test "x$withval" = "xno" ; then
 554                         AC_MSG_ERROR([*** zlib is required ***])
 555                 fi
 556                 if test -d "$withval/lib"; then
 557                         if test -n "${need_dash_r}"; then
 558                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 559                         else
 560                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 561                         fi
 562                 else
 563                         if test -n "${need_dash_r}"; then
 564                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 565                         else
 566                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 567                         fi
 568                 fi
 569                 if test -d "$withval/include"; then
 570                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 571                 else
 572                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 573                 fi
 574         ]
 575 )
 576
 577 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 578
 579 dnl UnixWare 2.x
 580 AC_CHECK_FUNC(strcasecmp,
 581         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 582 )
 583 AC_CHECK_FUNC(utimes,
 584         [], [ AC_CHECK_LIB(c89, utimes, [AC_DEFINE(HAVE_UTIMES)
 585                                         LIBS="$LIBS -lc89"]) ]
 586 )
 587
 588 dnl    Checks for libutil functions
 589 AC_CHECK_HEADERS(libutil.h)
 590 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN)])
 591 AC_CHECK_FUNCS(logout updwtmp logwtmp)
 592
 593 AC_FUNC_STRFTIME
 594
 595 # Check for ALTDIRFUNC glob() extension
 596 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 597 AC_EGREP_CPP(FOUNDIT,
 598         [
 599                 #include <glob.h>
 600                 #ifdef GLOB_ALTDIRFUNC
 601                 FOUNDIT
 602                 #endif
 603         ],
 604         [
 605                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 606                 AC_MSG_RESULT(yes)
 607         ],
 608         [
 609                 AC_MSG_RESULT(no)
 610         ]
 611 )
 612
 613 # Check for g.gl_matchc glob() extension
 614 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 615 AC_EGREP_CPP(FOUNDIT,
 616         [
 617                 #include <glob.h>
 618                 int main(void){glob_t g; g.gl_matchc = 1;}
 619         ],
 620         [
 621                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 622                 AC_MSG_RESULT(yes)
 623         ],
 624         [
 625                 AC_MSG_RESULT(no)
 626         ]
 627 )
 628
 629 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 630 AC_TRY_RUN(
 631         [
 632 #include <sys/types.h>
 633 #include <dirent.h>
 634 int main(void){struct dirent d;exit(sizeof(d.d_name)<=sizeof(char));}
 635         ],
 636         [AC_MSG_RESULT(yes)],
 637         [
 638                 AC_MSG_RESULT(no)
 639                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 640         ]
 641 )
 642
 643 # Check whether the user wants GSSAPI mechglue support
 644 AC_ARG_WITH(mechglue,
 645         [  --with-mechglue=PATH    Build with GSSAPI mechglue library],
 646         [
 647                 AC_MSG_CHECKING(for mechglue library)
 648
 649                 if test -e ${withval}/libgssapi.a ; then
 650                     mechglue_lib=${withval}/libgssapi.a
 651                 elif test -e ${withval}/lib/libgssapi.a ; then
 652                     mechglue_lib=${withval}/lib/libgssapi.a
 653                 else
 654                     AC_MSG_ERROR("Can't find libgssapi in ${withval}");
 655                 fi
 656                 LIBS="$LIBS ${mechglue_lib}"
 657                 AC_MSG_RESULT(${mechglue_lib})
 658
 659                 AC_CHECK_LIB(dl, dlopen, , )
 660                 if test $ac_cv_lib_dl_dlopen = yes; then
 661                    LDFLAGS="$LDFLAGS -ldl -Wl,-Bsymbolic"
 662                 fi
 663
 664                 AC_DEFINE(GSSAPI)
 665                 AC_DEFINE(MECHGLUE)
 666                 GSSAPI="mechglue"
 667
 668         ]
 669 )
 670
 671
 672 # Check whether the user wants GSI (Globus) support
 673 gsi_path="no"
 674 AC_ARG_WITH(gsi,
 675         [  --with-gsi              Enable Globus GSI authentication support],
 676         [
 677                 gsi_path="$withval"
 678         ]
 679 )
 680
 681 AC_ARG_WITH(globus,
 682         [  --with-globus           Enable Globus GSI authentication support],
 683         [
 684                 gsi_path="$withval"
 685         ]
 686 )
 687
 688 AC_ARG_WITH(globus-static,
 689         [  --with-globus-static    Link statically with Globus GSI libraries],
 690         [
 691                 gsi_static=1
 692                 if test "x$gsi_path" == "xno" ; then
 693                         gsi_path="$withval"
 694                 fi
 695         ]
 696 )
 697
 698 # Check whether the user has a Globus flavor type
 699 globus_flavor_type="no"
 700 AC_ARG_WITH(globus-flavor,
 701         [  --with-globus-flavor=TYPE  Specify Globus flavor type (ex: gcc32dbg)],
 702         [
 703                 globus_flavor_type="$withval"
 704                 if test "x$gsi_path" == "xno" ; then
 705                         gsi_path="yes"
 706                 fi
 707         ]
 708 )
 709
 710 if test "x$gsi_path" != "xno" ; then
 711         # Globus GSSAPI configuration
 712         AC_MSG_CHECKING(for Globus GSI)
 713         AC_DEFINE(GSI)
 714
 715         if test "$GSSAPI" -a "$GSSAPI" != "mechglue"; then
 716                 AC_MSG_ERROR([Previously configured GSSAPI library conflicts with Globus GSI.])
 717         fi
 718         if test -z "$GSSAPI"; then
 719                 AC_DEFINE(GSSAPI)
 720                 GSSAPI="GSI"
 721         fi
 722
 723         if test "x$gsi_path" = "xyes" ; then
 724                 if test -z "$GLOBUS_LOCATION" ; then
 725                         AC_MSG_ERROR(GLOBUS_LOCATION environment variable must be set.)
 726                 else
 727                         gsi_path="$GLOBUS_LOCATION"
 728                 fi
 729         fi
 730         GLOBUS_LOCATION="$gsi_path"
 731         export GLOBUS_LOCATION
 732         if test ! -d "$GLOBUS_LOCATION" ; then
 733                 AC_MSG_ERROR(Cannot find Globus installation.  Set GLOBUS_LOCATION environment variable.)
 734         fi
 735
 736         if test "x$globus_flavor_type" = "xno" ; then
 737                 AC_MSG_ERROR(--with-globus-flavor=TYPE must be specified)
 738         fi
 739         if test "x$globus_flavor_type" = "xyes" ; then
 740                 AC_MSG_ERROR(--with-globus-flavor=TYPE must specify a flavor type)
 741         fi
 742         AC_MSG_RESULT(yes)
 743
 744         AC_MSG_CHECKING(for Globus include path)
 745         GLOBUS_INCLUDE="${gsi_path}/include/${globus_flavor_type}"
 746         if test ! -d "$GLOBUS_INCLUDE" ; then
 747                 AC_MSG_ERROR(Cannot find Globus flavor-specific include directory: ${GLOBUS_INCLUDE})
 748         fi
 749         GSI_CPPFLAGS="-I${GLOBUS_INCLUDE}"
 750         AC_MSG_RESULT(yes)
 751
 752         #
 753         # Find GPT linkline helper
 754         #
 755
 756         AC_MSG_CHECKING(for GPT linkline helper)
 757         if test -x $GPT_LOCATION/sbin/gpt_build_config ; then
 758                 gpt_linkline_helper="$GPT_LOCATION/sbin/gpt_build_config"
 759         elif test -x ${gsi_path}/sbin/gpt_build_config ; then
 760                 gpt_linkline_helper="${gsi_path}/sbin/gpt_build_config"
 761         else
 762                 AC_MSG_ERROR(Cannot find gpt_build_config: GPT installation is incomplete)
 763         fi
 764         AC_MSG_RESULT(yes)
 765
 766         #
 767         # Build Globus linkline
 768         #
 769
 770         if test -n "${gsi_static}"; then
 771                 ${gpt_linkline_helper} -f ${globus_flavor_type} -link static -src pkg_data_src.gpt
 772         else
 773                 ${gpt_linkline_helper} -f ${globus_flavor_type} -link shared -src pkg_data_src.gpt
 774         fi
 775         . ./gpt_build_temp.sh
 776         if test -n "${need_dash_r}"; then
 777                 GSI_LDFLAGS="-L${gsi_path}/lib -R{gsi_path}/lib"
 778         else
 779                 GSI_LDFLAGS="-L${gsi_path}/lib"
 780         fi
 781         GSI_LIBS="$GPT_CONFIG_PGM_LINKS"
 782         LD_LIBRARY_PATH="${gsi_path}/lib:$LD_LIBRARY_PATH"; export LD_LIBRARY_PATH
 783
 784         #
 785         # Test Globus linkline
 786         #
 787
 788         AC_MSG_CHECKING(for Globus linkline)
 789         if test -z "$GSI_LIBS" ; then
 790                 AC_MSG_ERROR(gpt_build_config failed)
 791         fi
 792         AC_MSG_RESULT(yes)
 793
 794         LIBS="$LIBS $GSI_LIBS"
 795         LDFLAGS="$LDFLAGS $GSI_LDFLAGS"
 796         CPPFLAGS="$CPPFLAGS $GSI_CPPFLAGS"
 797
 798         AC_MSG_CHECKING(that Globus linkline works)
 799         # test that we got the libraries OK
 800         AC_TRY_LINK(
 801                 [],
 802                 [],
 803                 [
 804                         AC_MSG_RESULT(yes)
 805                 ],
 806                 [
 807                         AC_MSG_ERROR(link with Globus libraries failed)
 808                 ]
 809         )
 810         INSTALL_GSISSH="yes"
 811 else
 812         INSTALL_GSISSH=""
 813 fi
 814 # End Globus/GSI section
 815
 816 # Check whether user wants S/Key support
 817 SKEY_MSG="no"
 818 AC_ARG_WITH(skey,
 819         [  --with-skey[[=PATH]]      Enable S/Key support
 820                             (optionally in PATH)],
 821         [
 822                 if test "x$withval" != "xno" ; then
 823
 824                         if test "x$withval" != "xyes" ; then
 825                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 826                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 827                         fi
 828
 829                         AC_DEFINE(SKEY)
 830                         LIBS="-lskey $LIBS"
 831                         SKEY_MSG="yes"
 832
 833                         AC_MSG_CHECKING([for s/key support])
 834                         AC_TRY_RUN(
 835                                 [
 836 #include <stdio.h>
 837 #include <skey.h>
 838 int main() { char *ff = skey_keyinfo(""); ff=""; exit(0); }
 839                                 ],
 840                                 [AC_MSG_RESULT(yes)],
 841                                 [
 842                                         AC_MSG_RESULT(no)
 843                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 844                                 ])
 845                 fi
 846         ]
 847 )
 848
 849 # Check whether user wants TCP wrappers support
 850 TCPW_MSG="no"
 851 AC_ARG_WITH(tcp-wrappers,
 852         [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
 853                             (optionally in PATH)],
 854         [
 855                 if test "x$withval" != "xno" ; then
 856                         saved_LIBS="$LIBS"
 857                         saved_LDFLAGS="$LDFLAGS"
 858                         saved_CPPFLAGS="$CPPFLAGS"
 859                         if test -n "${withval}" -a "${withval}" != "yes"; then
 860                                 if test -d "${withval}/lib"; then
 861                                         if test -n "${need_dash_r}"; then
 862                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 863                                         else
 864                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 865                                         fi
 866                                 else
 867                                         if test -n "${need_dash_r}"; then
 868                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 869                                         else
 870                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 871                                         fi
 872                                 fi
 873                                 if test -d "${withval}/include"; then
 874                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 875                                 else
 876                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 877                                 fi
 878                         fi
 879                         LIBWRAP="-lwrap"
 880                         LIBS="$LIBWRAP $LIBS"
 881                         AC_MSG_CHECKING(for libwrap)
 882                         AC_TRY_LINK(
 883                                 [
 884 #include <tcpd.h>
 885                                         int deny_severity = 0, allow_severity = 0;
 886                                 ],
 887                                 [hosts_access(0);],
 888                                 [
 889                                         AC_MSG_RESULT(yes)
 890                                         AC_DEFINE(LIBWRAP)
 891                                         AC_SUBST(LIBWRAP)
 892                                         TCPW_MSG="yes"
 893                                 ],
 894                                 [
 895                                         AC_MSG_ERROR([*** libwrap missing])
 896                                 ]
 897                         )
 898                         LIBS="$saved_LIBS"
 899                 fi
 900         ]
 901 )
 902
 903 dnl    Checks for library functions. Please keep in alphabetical order
 904 AC_CHECK_FUNCS(\
 905         arc4random __b64_ntop b64_ntop __b64_pton b64_pton basename \
 906         bcopy bindresvport_sa clock fchmod fchown freeaddrinfo futimes \
 907         getaddrinfo getcwd getgrouplist getnameinfo getopt \
 908         getpeereid _getpty getrlimit getttyent glob inet_aton \
 909         inet_ntoa inet_ntop innetgr login_getcapbool md5_crypt memmove \
 910         mkdtemp mmap ngetaddrinfo nsleep ogetaddrinfo openlog_r openpty \
 911         pstat readpassphrase realpath recvmsg rresvport_af sendmsg \
 912         setdtablesize setegid setenv seteuid setgroups setlogin setpcred \
 913         setproctitle setregid setresgid setresuid setreuid setrlimit \
 914         setsid setvbuf sigaction sigvec snprintf socketpair strerror \
 915         strlcat strlcpy strmode strnvis sysconf tcgetpgrp \
 916         truncate utimes vhangup vsnprintf waitpid \
 917 )
 918
 919 # IRIX has a const char return value for gai_strerror()
 920 AC_CHECK_FUNCS(gai_strerror,[
 921         AC_DEFINE(HAVE_GAI_STRERROR)
 922         AC_TRY_COMPILE([
 923 #include <sys/types.h>
 924 #include <sys/socket.h>
 925 #include <netdb.h>
 926
 927 const char *gai_strerror(int);],[
 928 char *str;
 929
 930 str = gai_strerror(0);],[
 931                 AC_DEFINE(HAVE_CONST_GAI_STRERROR_PROTO, 1,
 932                 [Define if gai_strerror() returns const char *])])])
 933
 934 AC_SEARCH_LIBS(nanosleep, rt posix4, AC_DEFINE(HAVE_NANOSLEEP))
 935
 936 dnl Make sure prototypes are defined for these before using them.
 937 AC_CHECK_DECL(strsep, [AC_CHECK_FUNCS(strsep)])
 938 AC_CHECK_DECL(getrusage, [AC_CHECK_FUNCS(getrusage)])
 939
 940 dnl tcsendbreak might be a macro
 941 AC_CHECK_DECL(tcsendbreak,
 942         [AC_DEFINE(HAVE_TCSENDBREAK)],
 943         [AC_CHECK_FUNCS(tcsendbreak)],
 944         [#include <termios.h>]
 945 )
 946
 947 dnl    Checks for time functions
 948 AC_CHECK_FUNCS(gettimeofday time)
 949 dnl    Checks for utmp functions
 950 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 951 AC_CHECK_FUNCS(utmpname)
 952 dnl    Checks for utmpx functions
 953 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 954 AC_CHECK_FUNCS(setutxent utmpxname)
 955
 956 AC_CHECK_FUNC(daemon,
 957         [AC_DEFINE(HAVE_DAEMON)],
 958         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 959 )
 960
 961 AC_CHECK_FUNC(getpagesize,
 962         [AC_DEFINE(HAVE_GETPAGESIZE)],
 963         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 964 )
 965
 966 # Check for broken snprintf
 967 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 968         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 969         AC_TRY_RUN(
 970                 [
 971 #include <stdio.h>
 972 int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');}
 973                 ],
 974                 [AC_MSG_RESULT(yes)],
 975                 [
 976                         AC_MSG_RESULT(no)
 977                         AC_DEFINE(BROKEN_SNPRINTF)
 978                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 979                 ]
 980         )
 981 fi
 982
 983 dnl see whether mkstemp() requires XXXXXX
 984 if test "x$ac_cv_func_mkdtemp" = "xyes" ; then
 985 AC_MSG_CHECKING([for (overly) strict mkstemp])
 986 AC_TRY_RUN(
 987         [
 988 #include <stdlib.h>
 989 main() { char template[]="conftest.mkstemp-test";
 990 if (mkstemp(template) == -1)
 991         exit(1);
 992 unlink(template); exit(0);
 993 }
 994         ],
 995         [
 996                 AC_MSG_RESULT(no)
 997         ],
 998         [
 999                 AC_MSG_RESULT(yes)
1000                 AC_DEFINE(HAVE_STRICT_MKSTEMP)
1001         ],
1002         [
1003                 AC_MSG_RESULT(yes)
1004                 AC_DEFINE(HAVE_STRICT_MKSTEMP)
1005         ]
1006 )
1007 fi
1008
1009 dnl make sure that openpty does not reacquire controlling terminal
1010 if test ! -z "$check_for_openpty_ctty_bug"; then
1011         AC_MSG_CHECKING(if openpty correctly handles controlling tty)
1012         AC_TRY_RUN(
1013                 [
1014 #include <stdio.h>
1015 #include <sys/fcntl.h>
1016 #include <sys/types.h>
1017 #include <sys/wait.h>
1018
1019 int
1020 main()
1021 {
1022         pid_t pid;
1023         int fd, ptyfd, ttyfd, status;
1024
1025         pid = fork();
1026         if (pid < 0) {          /* failed */
1027                 exit(1);
1028         } else if (pid > 0) {   /* parent */
1029                 waitpid(pid, &status, 0);
1030                 if (WIFEXITED(status))
1031                         exit(WEXITSTATUS(status));
1032                 else
1033                         exit(2);
1034         } else {                /* child */
1035                 close(0); close(1); close(2);
1036                 setsid();
1037                 openpty(&ptyfd, &ttyfd, NULL, NULL, NULL);
1038                 fd = open("/dev/tty", O_RDWR | O_NOCTTY);
1039                 if (fd >= 0)
1040                         exit(3);        /* Acquired ctty: broken */
1041                 else
1042                         exit(0);        /* Did not acquire ctty: OK */
1043         }
1044 }
1045                 ],
1046                 [
1047                         AC_MSG_RESULT(yes)
1048                 ],
1049                 [
1050                         AC_MSG_RESULT(no)
1051                         AC_DEFINE(SSHD_ACQUIRES_CTTY)
1052                 ]
1053         )
1054 fi
1055
1056 AC_FUNC_GETPGRP
1057
1058 # Check for PAM libs
1059 PAM_MSG="no"
1060 AC_ARG_WITH(pam,
1061         [  --with-pam              Enable PAM support ],
1062         [
1063                 if test "x$withval" != "xno" ; then
1064                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
1065                                 AC_MSG_ERROR([PAM headers not found])
1066                         fi
1067
1068                         AC_CHECK_LIB(dl, dlopen, , )
1069                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
1070                         AC_CHECK_FUNCS(pam_getenvlist)
1071                         AC_CHECK_FUNCS(pam_putenv)
1072
1073                         disable_shadow=yes
1074                         PAM_MSG="yes"
1075
1076                         AC_DEFINE(USE_PAM)
1077                         if test $ac_cv_lib_dl_dlopen = yes; then
1078                                 LIBPAM="-lpam -ldl"
1079                         else
1080                                 LIBPAM="-lpam"
1081                         fi
1082
1083                         AC_SUBST(LIBPAM)
1084                 fi
1085         ]
1086 )
1087
1088 # Check for older PAM
1089 if test "x$PAM_MSG" = "xyes" ; then
1090         # Check PAM strerror arguments (old PAM)
1091         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
1092         AC_TRY_COMPILE(
1093                 [
1094 #include <stdlib.h>
1095 #include <security/pam_appl.h>
1096                 ],
1097                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
1098                 [AC_MSG_RESULT(no)],
1099                 [
1100                         AC_DEFINE(HAVE_OLD_PAM)
1101                         AC_MSG_RESULT(yes)
1102                         PAM_MSG="yes (old library)"
1103                 ]
1104         )
1105 fi
1106
1107 # Some systems want crypt() from libcrypt, *not* the version in OpenSSL,
1108 # because the system crypt() is more featureful.
1109 if test "x$check_for_libcrypt_before" = "x1"; then
1110         AC_CHECK_LIB(crypt, crypt)
1111 fi
1112
1113 # Search for OpenSSL
1114 saved_CPPFLAGS="$CPPFLAGS"
1115 saved_LDFLAGS="$LDFLAGS"
1116 AC_ARG_WITH(ssl-dir,
1117         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
1118         [
1119                 if test "x$withval" != "xno" ; then
1120                         if test -d "$withval/lib"; then
1121                                 if test -n "${need_dash_r}"; then
1122                                         LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
1123                                 else
1124                                         LDFLAGS="-L${withval}/lib ${LDFLAGS}"
1125                                 fi
1126                         else
1127                                 if test -n "${need_dash_r}"; then
1128                                         LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
1129                                 else
1130                                         LDFLAGS="-L${withval} ${LDFLAGS}"
1131                                 fi
1132                         fi
1133                         if test -d "$withval/include"; then
1134                                 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
1135                         else
1136                                 CPPFLAGS="-I${withval} ${CPPFLAGS}"
1137                         fi
1138                 fi
1139         ]
1140 )
1141
1142 if test -z "$GSI_LIBS" ; then
1143         LIBS="$LIBS -lcrypto"
1144 fi
1145
1146 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
1147         [
1148                 dnl Check default openssl install dir
1149                 if test -n "${need_dash_r}"; then
1150                         LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
1151                 else
1152                         LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
1153                 fi
1154                 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
1155                 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
1156                         [
1157                                 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
1158                         ]
1159                 )
1160         ]
1161 )
1162
1163 # Determine OpenSSL header version
1164 AC_MSG_CHECKING([OpenSSL header version])
1165 AC_TRY_RUN(
1166         [
1167 #include <stdio.h>
1168 #include <string.h>
1169 #include <openssl/opensslv.h>
1170 #define DATA "conftest.sslincver"
1171 int main(void) {
1172         FILE *fd;
1173         int rc;
1174
1175         fd = fopen(DATA,"w");
1176         if(fd == NULL)
1177                 exit(1);
1178
1179         if ((rc = fprintf(fd ,"%x (%s)\n", OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT)) <0)
1180                 exit(1);
1181
1182         exit(0);
1183 }
1184         ],
1185         [
1186                 ssl_header_ver=`cat conftest.sslincver`
1187                 AC_MSG_RESULT($ssl_header_ver)
1188         ],
1189         [
1190                 AC_MSG_RESULT(not found)
1191                 AC_MSG_ERROR(OpenSSL version header not found.)
1192         ]
1193 )
1194
1195 # Determine OpenSSL library version
1196 AC_MSG_CHECKING([OpenSSL library version])
1197 AC_TRY_RUN(
1198         [
1199 #include <stdio.h>
1200 #include <string.h>
1201 #include <openssl/opensslv.h>
1202 #include <openssl/crypto.h>
1203 #define DATA "conftest.ssllibver"
1204 int main(void) {
1205         FILE *fd;
1206         int rc;
1207
1208         fd = fopen(DATA,"w");
1209         if(fd == NULL)
1210                 exit(1);
1211
1212         if ((rc = fprintf(fd ,"%x (%s)\n", SSLeay(), SSLeay_version(SSLEAY_VERSION))) <0)
1213                 exit(1);
1214
1215         exit(0);
1216 }
1217         ],
1218         [
1219                 ssl_library_ver=`cat conftest.ssllibver`
1220                 AC_MSG_RESULT($ssl_library_ver)
1221         ],
1222         [
1223                 AC_MSG_RESULT(not found)
1224                 AC_MSG_ERROR(OpenSSL library not found.)
1225         ]
1226 )
1227
1228 # Sanity check OpenSSL headers
1229 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
1230 AC_TRY_RUN(
1231         [
1232 #include <string.h>
1233 #include <openssl/opensslv.h>
1234 int main(void) { exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
1235         ],
1236         [
1237                 AC_MSG_RESULT(yes)
1238         ],
1239         [
1240                 AC_MSG_RESULT(no)
1241                 AC_MSG_ERROR([Your OpenSSL headers do not match your library.
1242 Check config.log for details.
1243 Also see contrib/findssl.sh for help identifying header/library mismatches.])
1244         ]
1245 )
1246
1247 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
1248 # version in OpenSSL. Skip this for PAM
1249 if test "x$check_for_libcrypt_later" = "x1"; then
1250         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
1251 fi
1252
1253
1254 ### Configure cryptographic random number support
1255
1256 # Check wheter OpenSSL seeds itself
1257 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
1258 AC_TRY_RUN(
1259         [
1260 #include <string.h>
1261 #include <openssl/rand.h>
1262 int main(void) { exit(RAND_status() == 1 ? 0 : 1); }
1263         ],
1264         [
1265                 OPENSSL_SEEDS_ITSELF=yes
1266                 AC_MSG_RESULT(yes)
1267         ],
1268         [
1269                 AC_MSG_RESULT(no)
1270                 # Default to use of the rand helper if OpenSSL doesn't
1271                 # seed itself
1272                 USE_RAND_HELPER=yes
1273         ]
1274 )
1275
1276
1277 # Do we want to force the use of the rand helper?
1278 AC_ARG_WITH(rand-helper,
1279         [  --with-rand-helper      Use subprocess to gather strong randomness ],
1280         [
1281                 if test "x$withval" = "xno" ; then
1282                         # Force use of OpenSSL's internal RNG, even if
1283                         # the previous test showed it to be unseeded.
1284                         if test -z "$OPENSSL_SEEDS_ITSELF" ; then
1285                                 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
1286                                 OPENSSL_SEEDS_ITSELF=yes
1287                                 USE_RAND_HELPER=""
1288                         fi
1289                 else
1290                         USE_RAND_HELPER=yes
1291                 fi
1292         ],
1293 )
1294
1295 # Which randomness source do we use?
1296 if test ! -z "$OPENSSL_SEEDS_ITSELF" -a -z "$USE_RAND_HELPER" ; then
1297         # OpenSSL only
1298         AC_DEFINE(OPENSSL_PRNG_ONLY)
1299         RAND_MSG="OpenSSL internal ONLY"
1300         INSTALL_SSH_RAND_HELPER=""
1301 elif test ! -z "$USE_RAND_HELPER" ; then
1302         # install rand helper
1303         RAND_MSG="ssh-rand-helper"
1304         INSTALL_SSH_RAND_HELPER="yes"
1305 fi
1306 AC_SUBST(INSTALL_SSH_RAND_HELPER)
1307
1308 ### Configuration of ssh-rand-helper
1309
1310 # PRNGD TCP socket
1311 AC_ARG_WITH(prngd-port,
1312         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD TCP localhost:PORT],
1313         [
1314                 case "$withval" in
1315                 no)
1316                         withval=""
1317                         ;;
1318                 [[0-9]]*)
1319                         ;;
1320                 *)
1321                         AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
1322                         ;;
1323                 esac
1324                 if test ! -z "$withval" ; then
1325                         PRNGD_PORT="$withval"
1326                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
1327                 fi
1328         ]
1329 )
1330
1331 # PRNGD Unix domain socket
1332 AC_ARG_WITH(prngd-socket,
1333         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1334         [
1335                 case "$withval" in
1336                 yes)
1337                         withval="/var/run/egd-pool"
1338                         ;;
1339                 no)
1340                         withval=""
1341                         ;;
1342                 /*)
1343                         ;;
1344                 *)
1345                         AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
1346                         ;;
1347                 esac
1348
1349                 if test ! -z "$withval" ; then
1350                         if test ! -z "$PRNGD_PORT" ; then
1351                                 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
1352                         fi
1353                         if test ! -r "$withval" ; then
1354                                 AC_MSG_WARN(Entropy socket is not readable)
1355                         fi
1356                         PRNGD_SOCKET="$withval"
1357                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1358                 fi
1359         ],
1360         [
1361                 # Check for existing socket only if we don't have a random device already
1362                 if test "$USE_RAND_HELPER" = yes ; then
1363                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1364                         # Insert other locations here
1365                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1366                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1367                                         PRNGD_SOCKET="$sock"
1368                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1369                                         break;
1370                                 fi
1371                         done
1372                         if test ! -z "$PRNGD_SOCKET" ; then
1373                                 AC_MSG_RESULT($PRNGD_SOCKET)
1374                         else
1375                                 AC_MSG_RESULT(not found)
1376                         fi
1377                 fi
1378         ]
1379 )
1380
1381 # Change default command timeout for hashing entropy source
1382 entropy_timeout=200
1383 AC_ARG_WITH(entropy-timeout,
1384         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1385         [
1386                 if test "x$withval" != "xno" ; then
1387                         entropy_timeout=$withval
1388                 fi
1389         ]
1390 )
1391 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1392
1393 SSH_PRIVSEP_USER=sshd
1394 AC_ARG_WITH(privsep-user,
1395         [  --with-privsep-user=user Specify non-privileged user for privilege separation],
1396         [
1397                 if test -n "$withval"; then
1398                         SSH_PRIVSEP_USER=$withval
1399                 fi
1400         ]
1401 )
1402 AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$SSH_PRIVSEP_USER")
1403 AC_SUBST(SSH_PRIVSEP_USER)
1404
1405 # We do this little dance with the search path to insure
1406 # that programs that we select for use by installed programs
1407 # (which may be run by the super-user) come from trusted
1408 # locations before they come from the user's private area.
1409 # This should help avoid accidentally configuring some
1410 # random version of a program in someone's personal bin.
1411
1412 OPATH=$PATH
1413 PATH=/bin:/usr/bin
1414 test -h /bin 2> /dev/null && PATH=/usr/bin
1415 test -d /sbin && PATH=$PATH:/sbin
1416 test -d /usr/sbin && PATH=$PATH:/usr/sbin
1417 PATH=$PATH:/etc:$OPATH
1418
1419 # These programs are used by the command hashing source to gather entropy
1420 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1421 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1422 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1423 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1424 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
1425 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1426 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
1427 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1428 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1429 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1430 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1431 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1432 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1433 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1434 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1435 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1436 # restore PATH
1437 PATH=$OPATH
1438
1439 # Where does ssh-rand-helper get its randomness from?
1440 INSTALL_SSH_PRNG_CMDS=""
1441 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
1442         if test ! -z "$PRNGD_PORT" ; then
1443                 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
1444         elif test ! -z "$PRNGD_SOCKET" ; then
1445                 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
1446         else
1447                 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
1448                 RAND_HELPER_CMDHASH=yes
1449                 INSTALL_SSH_PRNG_CMDS="yes"
1450         fi
1451 fi
1452 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1453
1454
1455 # Cheap hack to ensure NEWS-OS libraries are arranged right.
1456 if test ! -z "$SONY" ; then
1457   LIBS="$LIBS -liberty";
1458 fi
1459
1460 # Checks for data types
1461 AC_CHECK_SIZEOF(char, 1)
1462 AC_CHECK_SIZEOF(short int, 2)
1463 AC_CHECK_SIZEOF(int, 4)
1464 AC_CHECK_SIZEOF(long int, 4)
1465 AC_CHECK_SIZEOF(long long int, 8)
1466
1467 # Sanity check long long for some platforms (AIX)
1468 if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
1469         ac_cv_sizeof_long_long_int=0
1470 fi
1471
1472 # More checks for data types
1473 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
1474         AC_TRY_COMPILE(
1475                 [ #include <sys/types.h> ],
1476                 [ u_int a; a = 1;],
1477                 [ ac_cv_have_u_int="yes" ],
1478                 [ ac_cv_have_u_int="no" ]
1479         )
1480 ])
1481 if test "x$ac_cv_have_u_int" = "xyes" ; then
1482         AC_DEFINE(HAVE_U_INT)
1483         have_u_int=1
1484 fi
1485
1486 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
1487         AC_TRY_COMPILE(
1488                 [ #include <sys/types.h> ],
1489                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1490                 [ ac_cv_have_intxx_t="yes" ],
1491                 [ ac_cv_have_intxx_t="no" ]
1492         )
1493 ])
1494 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
1495         AC_DEFINE(HAVE_INTXX_T)
1496         have_intxx_t=1
1497 fi
1498
1499 if (test -z "$have_intxx_t" && \
1500            test "x$ac_cv_header_stdint_h" = "xyes")
1501 then
1502     AC_MSG_CHECKING([for intXX_t types in stdint.h])
1503         AC_TRY_COMPILE(
1504                 [ #include <stdint.h> ],
1505                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1506                 [
1507                         AC_DEFINE(HAVE_INTXX_T)
1508                         AC_MSG_RESULT(yes)
1509                 ],
1510                 [ AC_MSG_RESULT(no) ]
1511         )
1512 fi
1513
1514 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
1515         AC_TRY_COMPILE(
1516                 [
1517 #include <sys/types.h>
1518 #ifdef HAVE_STDINT_H
1519 # include <stdint.h>
1520 #endif
1521 #include <sys/socket.h>
1522 #ifdef HAVE_SYS_BITYPES_H
1523 # include <sys/bitypes.h>
1524 #endif
1525                 ],
1526                 [ int64_t a; a = 1;],
1527                 [ ac_cv_have_int64_t="yes" ],
1528                 [ ac_cv_have_int64_t="no" ]
1529         )
1530 ])
1531 if test "x$ac_cv_have_int64_t" = "xyes" ; then
1532         AC_DEFINE(HAVE_INT64_T)
1533 fi
1534
1535 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
1536         AC_TRY_COMPILE(
1537                 [ #include <sys/types.h> ],
1538                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1539                 [ ac_cv_have_u_intxx_t="yes" ],
1540                 [ ac_cv_have_u_intxx_t="no" ]
1541         )
1542 ])
1543 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
1544         AC_DEFINE(HAVE_U_INTXX_T)
1545         have_u_intxx_t=1
1546 fi
1547
1548 if test -z "$have_u_intxx_t" ; then
1549     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
1550         AC_TRY_COMPILE(
1551                 [ #include <sys/socket.h> ],
1552                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1553                 [
1554                         AC_DEFINE(HAVE_U_INTXX_T)
1555                         AC_MSG_RESULT(yes)
1556                 ],
1557                 [ AC_MSG_RESULT(no) ]
1558         )
1559 fi
1560
1561 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
1562         AC_TRY_COMPILE(
1563                 [ #include <sys/types.h> ],
1564                 [ u_int64_t a; a = 1;],
1565                 [ ac_cv_have_u_int64_t="yes" ],
1566                 [ ac_cv_have_u_int64_t="no" ]
1567         )
1568 ])
1569 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
1570         AC_DEFINE(HAVE_U_INT64_T)
1571         have_u_int64_t=1
1572 fi
1573
1574 if test -z "$have_u_int64_t" ; then
1575     AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
1576         AC_TRY_COMPILE(
1577                 [ #include <sys/bitypes.h> ],
1578                 [ u_int64_t a; a = 1],
1579                 [
1580                         AC_DEFINE(HAVE_U_INT64_T)
1581                         AC_MSG_RESULT(yes)
1582                 ],
1583                 [ AC_MSG_RESULT(no) ]
1584         )
1585 fi
1586
1587 if test -z "$have_u_intxx_t" ; then
1588         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
1589                 AC_TRY_COMPILE(
1590                         [
1591 #include <sys/types.h>
1592                         ],
1593                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
1594                         [ ac_cv_have_uintxx_t="yes" ],
1595                         [ ac_cv_have_uintxx_t="no" ]
1596                 )
1597         ])
1598         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
1599                 AC_DEFINE(HAVE_UINTXX_T)
1600         fi
1601 fi
1602
1603 if test -z "$have_uintxx_t" ; then
1604     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
1605         AC_TRY_COMPILE(
1606                 [ #include <stdint.h> ],
1607                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
1608                 [
1609                         AC_DEFINE(HAVE_UINTXX_T)
1610                         AC_MSG_RESULT(yes)
1611                 ],
1612                 [ AC_MSG_RESULT(no) ]
1613         )
1614 fi
1615
1616 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
1617            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
1618 then
1619         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
1620         AC_TRY_COMPILE(
1621                 [
1622 #include <sys/bitypes.h>
1623                 ],
1624                 [
1625                         int8_t a; int16_t b; int32_t c;
1626                         u_int8_t e; u_int16_t f; u_int32_t g;
1627                         a = b = c = e = f = g = 1;
1628                 ],
1629                 [
1630                         AC_DEFINE(HAVE_U_INTXX_T)
1631                         AC_DEFINE(HAVE_INTXX_T)
1632                         AC_MSG_RESULT(yes)
1633                 ],
1634                 [AC_MSG_RESULT(no)]
1635         )
1636 fi
1637
1638
1639 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
1640         AC_TRY_COMPILE(
1641                 [
1642 #include <sys/types.h>
1643                 ],
1644                 [ u_char foo; foo = 125; ],
1645                 [ ac_cv_have_u_char="yes" ],
1646                 [ ac_cv_have_u_char="no" ]
1647         )
1648 ])
1649 if test "x$ac_cv_have_u_char" = "xyes" ; then
1650         AC_DEFINE(HAVE_U_CHAR)
1651 fi
1652
1653 TYPE_SOCKLEN_T
1654
1655 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
1656
1657 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
1658         AC_TRY_COMPILE(
1659                 [
1660 #include <sys/types.h>
1661                 ],
1662                 [ size_t foo; foo = 1235; ],
1663                 [ ac_cv_have_size_t="yes" ],
1664                 [ ac_cv_have_size_t="no" ]
1665         )
1666 ])
1667 if test "x$ac_cv_have_size_t" = "xyes" ; then
1668         AC_DEFINE(HAVE_SIZE_T)
1669 fi
1670
1671 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
1672         AC_TRY_COMPILE(
1673                 [
1674 #include <sys/types.h>
1675                 ],
1676                 [ ssize_t foo; foo = 1235; ],
1677                 [ ac_cv_have_ssize_t="yes" ],
1678                 [ ac_cv_have_ssize_t="no" ]
1679         )
1680 ])
1681 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
1682         AC_DEFINE(HAVE_SSIZE_T)
1683 fi
1684
1685 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
1686         AC_TRY_COMPILE(
1687                 [
1688 #include <time.h>
1689                 ],
1690                 [ clock_t foo; foo = 1235; ],
1691                 [ ac_cv_have_clock_t="yes" ],
1692                 [ ac_cv_have_clock_t="no" ]
1693         )
1694 ])
1695 if test "x$ac_cv_have_clock_t" = "xyes" ; then
1696         AC_DEFINE(HAVE_CLOCK_T)
1697 fi
1698
1699 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
1700         AC_TRY_COMPILE(
1701                 [
1702 #include <sys/types.h>
1703 #include <sys/socket.h>
1704                 ],
1705                 [ sa_family_t foo; foo = 1235; ],
1706                 [ ac_cv_have_sa_family_t="yes" ],
1707                 [ AC_TRY_COMPILE(
1708                   [
1709 #include <sys/types.h>
1710 #include <sys/socket.h>
1711 #include <netinet/in.h>
1712                 ],
1713                 [ sa_family_t foo; foo = 1235; ],
1714                 [ ac_cv_have_sa_family_t="yes" ],
1715
1716                 [ ac_cv_have_sa_family_t="no" ]
1717         )]
1718         )
1719 ])
1720 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
1721         AC_DEFINE(HAVE_SA_FAMILY_T)
1722 fi
1723
1724 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
1725         AC_TRY_COMPILE(
1726                 [
1727 #include <sys/types.h>
1728                 ],
1729                 [ pid_t foo; foo = 1235; ],
1730                 [ ac_cv_have_pid_t="yes" ],
1731                 [ ac_cv_have_pid_t="no" ]
1732         )
1733 ])
1734 if test "x$ac_cv_have_pid_t" = "xyes" ; then
1735         AC_DEFINE(HAVE_PID_T)
1736 fi
1737
1738 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
1739         AC_TRY_COMPILE(
1740                 [
1741 #include <sys/types.h>
1742                 ],
1743                 [ mode_t foo; foo = 1235; ],
1744                 [ ac_cv_have_mode_t="yes" ],
1745                 [ ac_cv_have_mode_t="no" ]
1746         )
1747 ])
1748 if test "x$ac_cv_have_mode_t" = "xyes" ; then
1749         AC_DEFINE(HAVE_MODE_T)
1750 fi
1751
1752
1753 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
1754         AC_TRY_COMPILE(
1755                 [
1756 #include <sys/types.h>
1757 #include <sys/socket.h>
1758                 ],
1759                 [ struct sockaddr_storage s; ],
1760                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
1761                 [ ac_cv_have_struct_sockaddr_storage="no" ]
1762         )
1763 ])
1764 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
1765         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
1766 fi
1767
1768 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
1769         AC_TRY_COMPILE(
1770                 [
1771 #include <sys/types.h>
1772 #include <netinet/in.h>
1773                 ],
1774                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1775                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1776                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1777         )
1778 ])
1779 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1780         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1781 fi
1782
1783 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1784         AC_TRY_COMPILE(
1785                 [
1786 #include <sys/types.h>
1787 #include <netinet/in.h>
1788                 ],
1789                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1790                 [ ac_cv_have_struct_in6_addr="yes" ],
1791                 [ ac_cv_have_struct_in6_addr="no" ]
1792         )
1793 ])
1794 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1795         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1796 fi
1797
1798 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1799         AC_TRY_COMPILE(
1800                 [
1801 #include <sys/types.h>
1802 #include <sys/socket.h>
1803 #include <netdb.h>
1804                 ],
1805                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1806                 [ ac_cv_have_struct_addrinfo="yes" ],
1807                 [ ac_cv_have_struct_addrinfo="no" ]
1808         )
1809 ])
1810 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1811         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1812 fi
1813
1814 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1815         AC_TRY_COMPILE(
1816                 [ #include <sys/time.h> ],
1817                 [ struct timeval tv; tv.tv_sec = 1;],
1818                 [ ac_cv_have_struct_timeval="yes" ],
1819                 [ ac_cv_have_struct_timeval="no" ]
1820         )
1821 ])
1822 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1823         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1824         have_struct_timeval=1
1825 fi
1826
1827 AC_CHECK_TYPES(struct timespec)
1828
1829 # We need int64_t or else certian parts of the compile will fail.
1830 if test "x$ac_cv_have_int64_t" = "xno" -a \
1831         "x$ac_cv_sizeof_long_int" != "x8" -a \
1832         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1833         echo "OpenSSH requires int64_t support.  Contact your vendor or install"
1834         echo "an alternative compiler (I.E., GCC) before continuing."
1835         echo ""
1836         exit 1;
1837 else
1838 dnl test snprintf (broken on SCO w/gcc)
1839         AC_TRY_RUN(
1840                 [
1841 #include <stdio.h>
1842 #include <string.h>
1843 #ifdef HAVE_SNPRINTF
1844 main()
1845 {
1846         char buf[50];
1847         char expected_out[50];
1848         int mazsize = 50 ;
1849 #if (SIZEOF_LONG_INT == 8)
1850         long int num = 0x7fffffffffffffff;
1851 #else
1852         long long num = 0x7fffffffffffffffll;
1853 #endif
1854         strcpy(expected_out, "9223372036854775807");
1855         snprintf(buf, mazsize, "%lld", num);
1856         if(strcmp(buf, expected_out) != 0)
1857                 exit(1);
1858         exit(0);
1859 }
1860 #else
1861 main() { exit(0); }
1862 #endif
1863                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1864         )
1865 fi
1866
1867 dnl Checks for structure members
1868 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1869 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1870 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1871 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1872 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1873 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1874 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1875 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1876 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1877 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1878 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1879 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1880 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1881 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1882 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1883 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1884 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1885
1886 AC_CHECK_MEMBERS([struct stat.st_blksize])
1887
1888 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1889                 ac_cv_have_ss_family_in_struct_ss, [
1890         AC_TRY_COMPILE(
1891                 [
1892 #include <sys/types.h>
1893 #include <sys/socket.h>
1894                 ],
1895                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1896                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1897                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1898         )
1899 ])
1900 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1901         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1902 fi
1903
1904 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1905                 ac_cv_have___ss_family_in_struct_ss, [
1906         AC_TRY_COMPILE(
1907                 [
1908 #include <sys/types.h>
1909 #include <sys/socket.h>
1910                 ],
1911                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1912                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1913                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1914         )
1915 ])
1916 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1917         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1918 fi
1919
1920 AC_CACHE_CHECK([for pw_class field in struct passwd],
1921                 ac_cv_have_pw_class_in_struct_passwd, [
1922         AC_TRY_COMPILE(
1923                 [
1924 #include <pwd.h>
1925                 ],
1926                 [ struct passwd p; p.pw_class = 0; ],
1927                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1928                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1929         )
1930 ])
1931 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1932         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1933 fi
1934
1935 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1936                 ac_cv_have_pw_expire_in_struct_passwd, [
1937         AC_TRY_COMPILE(
1938                 [
1939 #include <pwd.h>
1940                 ],
1941                 [ struct passwd p; p.pw_expire = 0; ],
1942                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1943                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1944         )
1945 ])
1946 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1947         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1948 fi
1949
1950 AC_CACHE_CHECK([for pw_change field in struct passwd],
1951                 ac_cv_have_pw_change_in_struct_passwd, [
1952         AC_TRY_COMPILE(
1953                 [
1954 #include <pwd.h>
1955                 ],
1956                 [ struct passwd p; p.pw_change = 0; ],
1957                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1958                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1959         )
1960 ])
1961 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1962         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1963 fi
1964
1965 dnl make sure we're using the real structure members and not defines
1966 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
1967                 ac_cv_have_accrights_in_msghdr, [
1968         AC_TRY_RUN(
1969                 [
1970 #include <sys/types.h>
1971 #include <sys/socket.h>
1972 #include <sys/uio.h>
1973 int main() {
1974 #ifdef msg_accrights
1975 exit(1);
1976 #endif
1977 struct msghdr m;
1978 m.msg_accrights = 0;
1979 exit(0);
1980 }
1981                 ],
1982                 [ ac_cv_have_accrights_in_msghdr="yes" ],
1983                 [ ac_cv_have_accrights_in_msghdr="no" ]
1984         )
1985 ])
1986 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
1987         AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
1988 fi
1989
1990 AC_CACHE_CHECK([for msg_control field in struct msghdr],
1991                 ac_cv_have_control_in_msghdr, [
1992         AC_TRY_RUN(
1993                 [
1994 #include <sys/types.h>
1995 #include <sys/socket.h>
1996 #include <sys/uio.h>
1997 int main() {
1998 #ifdef msg_control
1999 exit(1);
2000 #endif
2001 struct msghdr m;
2002 m.msg_control = 0;
2003 exit(0);
2004 }
2005                 ],
2006                 [ ac_cv_have_control_in_msghdr="yes" ],
2007                 [ ac_cv_have_control_in_msghdr="no" ]
2008         )
2009 ])
2010 if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
2011         AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
2012 fi
2013
2014 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
2015         AC_TRY_LINK([],
2016                 [ extern char *__progname; printf("%s", __progname); ],
2017                 [ ac_cv_libc_defines___progname="yes" ],
2018                 [ ac_cv_libc_defines___progname="no" ]
2019         )
2020 ])
2021 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
2022         AC_DEFINE(HAVE___PROGNAME)
2023 fi
2024
2025 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
2026         AC_TRY_LINK([
2027 #include <stdio.h>
2028 ],
2029                 [ printf("%s", __FUNCTION__); ],
2030                 [ ac_cv_cc_implements___FUNCTION__="yes" ],
2031                 [ ac_cv_cc_implements___FUNCTION__="no" ]
2032         )
2033 ])
2034 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
2035         AC_DEFINE(HAVE___FUNCTION__)
2036 fi
2037
2038 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
2039         AC_TRY_LINK([
2040 #include <stdio.h>
2041 ],
2042                 [ printf("%s", __func__); ],
2043                 [ ac_cv_cc_implements___func__="yes" ],
2044                 [ ac_cv_cc_implements___func__="no" ]
2045         )
2046 ])
2047 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
2048         AC_DEFINE(HAVE___func__)
2049 fi
2050
2051 AC_CACHE_CHECK([whether getopt has optreset support],
2052                 ac_cv_have_getopt_optreset, [
2053         AC_TRY_LINK(
2054                 [
2055 #include <getopt.h>
2056                 ],
2057                 [ extern int optreset; optreset = 0; ],
2058                 [ ac_cv_have_getopt_optreset="yes" ],
2059                 [ ac_cv_have_getopt_optreset="no" ]
2060         )
2061 ])
2062 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
2063         AC_DEFINE(HAVE_GETOPT_OPTRESET)
2064 fi
2065
2066 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
2067         AC_TRY_LINK([],
2068                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
2069                 [ ac_cv_libc_defines_sys_errlist="yes" ],
2070                 [ ac_cv_libc_defines_sys_errlist="no" ]
2071         )
2072 ])
2073 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
2074         AC_DEFINE(HAVE_SYS_ERRLIST)
2075 fi
2076
2077
2078 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
2079         AC_TRY_LINK([],
2080                 [ extern int sys_nerr; printf("%i", sys_nerr);],
2081                 [ ac_cv_libc_defines_sys_nerr="yes" ],
2082                 [ ac_cv_libc_defines_sys_nerr="no" ]
2083         )
2084 ])
2085 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
2086         AC_DEFINE(HAVE_SYS_NERR)
2087 fi
2088
2089 SCARD_MSG="no"
2090 # Check whether user wants sectok support
2091 AC_ARG_WITH(sectok,
2092         [  --with-sectok           Enable smartcard support using libsectok],
2093         [
2094                 if test "x$withval" != "xno" ; then
2095                         if test "x$withval" != "xyes" ; then
2096                                 CPPFLAGS="$CPPFLAGS -I${withval}"
2097                                 LDFLAGS="$LDFLAGS -L${withval}"
2098                                 if test ! -z "$need_dash_r" ; then
2099                                         LDFLAGS="$LDFLAGS -R${withval}"
2100                                 fi
2101                                 if test ! -z "$blibpath" ; then
2102                                         blibpath="$blibpath:${withval}"
2103                                 fi
2104                         fi
2105                         AC_CHECK_HEADERS(sectok.h)
2106                         if test "$ac_cv_header_sectok_h" != yes; then
2107                                 AC_MSG_ERROR(Can't find sectok.h)
2108                         fi
2109                         AC_CHECK_LIB(sectok, sectok_open)
2110                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
2111                                 AC_MSG_ERROR(Can't find libsectok)
2112                         fi
2113                         AC_DEFINE(SMARTCARD)
2114                         AC_DEFINE(USE_SECTOK)
2115                         SCARD_MSG="yes, using sectok"
2116                 fi
2117         ]
2118 )
2119
2120 # Check whether user wants OpenSC support
2121 AC_ARG_WITH(opensc,
2122         AC_HELP_STRING([--with-opensc=PFX],
2123                        [Enable smartcard support using OpenSC]),
2124         opensc_config_prefix="$withval", opensc_config_prefix="")
2125 if test x$opensc_config_prefix != x ; then
2126   OPENSC_CONFIG=$opensc_config_prefix/bin/opensc-config
2127   AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
2128   if test "$OPENSC_CONFIG" != "no"; then
2129     LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
2130     LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
2131     CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
2132     LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"
2133     AC_DEFINE(SMARTCARD)
2134     AC_DEFINE(USE_OPENSC)
2135     SCARD_MSG="yes, using OpenSC"
2136   fi
2137 fi
2138
2139 # Check whether user wants DNS support
2140 DNS_MSG="no"
2141 AC_ARG_WITH(dns,
2142         [  --with-dns              Support for fetching keys from DNS (experimental)],
2143         [
2144                 if test "x$withval" != "xno" ; then
2145                         DNS_MSG="yes"
2146                         AC_DEFINE(DNS)
2147                         AC_SEARCH_LIBS(getrrsetbyname, resolv,
2148                                 [AC_DEFINE(HAVE_GETRRSETBYNAME)],
2149                                 [
2150                                         # Needed by our getrrsetbyname()
2151                                         AC_SEARCH_LIBS(res_query, resolv)
2152                                         AC_SEARCH_LIBS(dn_expand, resolv)
2153                                         AC_CHECK_FUNCS(_getshort _getlong)
2154                                         AC_CHECK_MEMBER(HEADER.ad,
2155                                                 [AC_DEFINE(HAVE_HEADER_AD)],,
2156                                                 [#include <arpa/nameser.h>])
2157                                 ])
2158                 fi
2159         ]
2160 )
2161
2162 # Check whether user wants Kerberos 5 support
2163 KRB5_MSG="no"
2164 AC_ARG_WITH(kerberos5,
2165         [  --with-kerberos5=PATH   Enable Kerberos 5 support],
2166         [
2167                 if test "x$withval" != "xno" ; then
2168                         if test "x$withval" = "xyes" ; then
2169                                 KRB5ROOT="/usr/local"
2170                         else
2171                                 KRB5ROOT=${withval}
2172                         fi
2173                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
2174                         LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
2175                         AC_DEFINE(KRB5)
2176                         KRB5_MSG="yes"
2177                         AC_MSG_CHECKING(whether we are using Heimdal)
2178                         AC_TRY_COMPILE([ #include <krb5.h> ],
2179                                        [ char *tmp = heimdal_version; ],
2180                                        [ AC_MSG_RESULT(yes)
2181                                          AC_DEFINE(HEIMDAL)
2182                                          K5LIBS="-lkrb5 -ldes -lcom_err -lasn1 -lroken"
2183                                        ],
2184                                        [ AC_MSG_RESULT(no)
2185                                          K5LIBS="-lkrb5 -lk5crypto -lcom_err"
2186                                        ]
2187                         )
2188                         if test ! -z "$need_dash_r" ; then
2189                                 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
2190                         fi
2191                         if test ! -z "$blibpath" ; then
2192                                 blibpath="$blibpath:${KRB5ROOT}/lib"
2193                         fi
2194                         AC_SEARCH_LIBS(dn_expand, resolv)
2195
2196                         AC_CHECK_LIB(gssapi,gss_init_sec_context,
2197                                 [ AC_DEFINE(GSSAPI)
2198                                   K5LIBS="-lgssapi $K5LIBS" ],
2199                                 [ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
2200                                         [ AC_DEFINE(GSSAPI)
2201                                           K5LIBS="-lgssapi_krb5 $K5LIBS" ],
2202                                         AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
2203                                         $K5LIBS)
2204                                 ],
2205                                 $K5LIBS)
2206
2207                         AC_CHECK_HEADER(gssapi.h, ,
2208                                 [ unset ac_cv_header_gssapi_h
2209                                   CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
2210                                   AC_CHECK_HEADERS(gssapi.h, ,
2211                                         AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
2212                                   )
2213                                 ]
2214                         )
2215
2216                         oldCPP="$CPPFLAGS"
2217                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
2218                         AC_CHECK_HEADER(gssapi_krb5.h, ,
2219                                         [ CPPFLAGS="$oldCPP" ])
2220
2221                         # If we're using some other GSSAPI
2222                         if test "$GSSAPI" -a "$GSSAPI" != "mechglue"; then
2223                                 AC_MSG_ERROR([$GSSAPI GSSAPI library conflicts with Kerberos support.  Use mechglue instead.])
2224                         fi
2225                         AC_CHECK_LIB(gssapi,gss_init_sec_context,
2226                                 [ AC_DEFINE(GSSAPI)
2227                                   K5LIBS="-lgssapi $K5LIBS" ],
2228                                 [ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
2229                                         [ AC_DEFINE(GSSAPI)
2230                                           K5LIBS="-lgssapi_krb5 $K5LIBS" ],
2231                                         AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
2232                                         $K5LIBS)
2233                                 ],
2234                                 $K5LIBS)
2235
2236                         AC_CHECK_HEADER(gssapi.h, ,
2237                                 [ unset ac_cv_header_gssapi_h
2238                                   CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
2239                                   AC_CHECK_HEADERS(gssapi.h, ,
2240                                         AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
2241                                   )
2242                                 ]
2243                         )
2244
2245                         AC_CHECK_LIB(gssapi, gss_krb5_copy_ccache, /bin/true,
2246                                 [ K5LIBS="-lgssapi_krb5 $K5LIBS"
2247                                   AC_CHECK_LIB(gssapi_krb5, gss_krb5_copy_ccache, /bin/true,
2248                                         AC_MSG_WARN([Cannot find gss_krb5_copy_ccache -- build may fail]),
2249                                         $K5LIBS)
2250                                 ],
2251                                 $K5LIBS)
2252
2253                         oldCPP="$CPPFLAGS"
2254                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
2255                         AC_CHECK_HEADER(gssapi_krb5.h, ,
2256                                         [ CPPFLAGS="$oldCPP" ])
2257
2258                         if test -z "$GSSAPI"; then
2259                                 GSSAPI="KRB5";
2260                         fi
2261
2262                         KRB5=yes
2263                 fi
2264         ]
2265 )
2266
2267 # Check whether user wants AFS_KRB5 support
2268 AFS_KRB5_MSG="no"
2269 AC_ARG_WITH(afs-krb5,
2270         [  --with-afs-krb5[[=AKLOG_PATH]]  Enable aklog to get token (default=/usr/bin/aklog).],
2271         [
2272                 if test "x$withval" != "xno" ; then
2273
2274                         if test "x$withval" != "xyes" ; then
2275                                 AC_DEFINE_UNQUOTED(AKLOG_PATH, "$withval")
2276                         else
2277                                 AC_DEFINE_UNQUOTED(AKLOG_PATH, "/usr/bin/aklog")
2278                         fi
2279
2280                         if test -z "$KRB5" ; then
2281                                 AC_MSG_WARN([AFS_KRB5 requires Kerberos 5 support, build may fail])
2282                         fi
2283
2284                         LIBS="-lkrbafs $LIBS"
2285                         if test ! -z "$AFS_LIBS" ; then
2286                                 LIBS="$LIBS $AFS_LIBS"
2287                         fi
2288                         AC_DEFINE(AFS_KRB5)
2289                         AFS_KRB5_MSG="yes"
2290                 fi
2291         ]
2292 )
2293 LIBS="$LIBS $K5LIBS"
2294
2295 AC_ARG_WITH(session-hooks,
2296         [  --with-session-hooks    Enable hooks for executing external commands                                       before/after a session],
2297         [ AC_DEFINE(SESSION_HOOKS) ]
2298 )
2299
2300 # Looking for programs, paths and files
2301
2302 PRIVSEP_PATH=/var/empty
2303 AC_ARG_WITH(privsep-path,
2304         [  --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)],
2305         [
2306                 if test "x$withval" != "$no" ; then
2307                         PRIVSEP_PATH=$withval
2308                 fi
2309         ]
2310 )
2311 AC_SUBST(PRIVSEP_PATH)
2312
2313 AC_ARG_WITH(xauth,
2314         [  --with-xauth=PATH       Specify path to xauth program ],
2315         [
2316                 if test "x$withval" != "xno" ; then
2317                         xauth_path=$withval
2318                 fi
2319         ],
2320         [
2321                 TestPath="$PATH"
2322                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X/bin"
2323                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/bin/X11"
2324                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X11R6/bin"
2325                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/openwin/bin"
2326                 AC_PATH_PROG(xauth_path, xauth, , $TestPath)
2327                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
2328                         xauth_path="/usr/openwin/bin/xauth"
2329                 fi
2330         ]
2331 )
2332
2333 STRIP_OPT=-s
2334 AC_ARG_ENABLE(strip,
2335         [  --disable-strip         Disable calling strip(1) on install],
2336         [
2337                 if test "x$enableval" = "xno" ; then
2338                         STRIP_OPT=
2339                 fi
2340         ]
2341 )
2342 AC_SUBST(STRIP_OPT)
2343
2344 if test -z "$xauth_path" ; then
2345         XAUTH_PATH="undefined"
2346         AC_SUBST(XAUTH_PATH)
2347 else
2348         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
2349         XAUTH_PATH=$xauth_path
2350         AC_SUBST(XAUTH_PATH)
2351 fi
2352
2353 # Check for mail directory (last resort if we cannot get it from headers)
2354 if test ! -z "$MAIL" ; then
2355         maildir=`dirname $MAIL`
2356         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
2357 fi
2358
2359 if test -z "$no_dev_ptmx" ; then
2360         if test "x$disable_ptmx_check" != "xyes" ; then
2361                 AC_CHECK_FILE("/dev/ptmx",
2362                         [
2363                                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
2364                                 have_dev_ptmx=1
2365                         ]
2366                 )
2367         fi
2368 fi
2369 AC_CHECK_FILE("/dev/ptc",
2370         [
2371                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
2372                 have_dev_ptc=1
2373         ]
2374 )
2375
2376 # Options from here on. Some of these are preset by platform above
2377 AC_ARG_WITH(mantype,
2378         [  --with-mantype=man|cat|doc  Set man page type],
2379         [
2380                 case "$withval" in
2381                 man|cat|doc)
2382                         MANTYPE=$withval
2383                         ;;
2384                 *)
2385                         AC_MSG_ERROR(invalid man type: $withval)
2386                         ;;
2387                 esac
2388         ]
2389 )
2390 if test -z "$MANTYPE"; then
2391         TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb"
2392         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, $TestPath)
2393         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
2394                 MANTYPE=doc
2395         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
2396                 MANTYPE=man
2397         else
2398                 MANTYPE=cat
2399         fi
2400 fi
2401 AC_SUBST(MANTYPE)
2402 if test "$MANTYPE" = "doc"; then
2403         mansubdir=man;
2404 else
2405         mansubdir=$MANTYPE;
2406 fi
2407 AC_SUBST(mansubdir)
2408
2409 # Check whether to enable MD5 passwords
2410 MD5_MSG="no"
2411 AC_ARG_WITH(md5-passwords,
2412         [  --with-md5-passwords    Enable use of MD5 passwords],
2413         [
2414                 if test "x$withval" != "xno" ; then
2415                         AC_DEFINE(HAVE_MD5_PASSWORDS)
2416                         MD5_MSG="yes"
2417                 fi
2418         ]
2419 )
2420
2421 # Whether to disable shadow password support
2422 AC_ARG_WITH(shadow,
2423         [  --without-shadow        Disable shadow password support],
2424         [
2425                 if test "x$withval" = "xno" ; then
2426                         AC_DEFINE(DISABLE_SHADOW)
2427                         disable_shadow=yes
2428                 fi
2429         ]
2430 )
2431
2432 if test -z "$disable_shadow" ; then
2433         AC_MSG_CHECKING([if the systems has expire shadow information])
2434         AC_TRY_COMPILE(
2435         [
2436 #include <sys/types.h>
2437 #include <shadow.h>
2438         struct spwd sp;
2439         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
2440         [ sp_expire_available=yes ], []
2441         )
2442
2443         if test "x$sp_expire_available" = "xyes" ; then
2444                 AC_MSG_RESULT(yes)
2445                 AC_DEFINE(HAS_SHADOW_EXPIRE)
2446         else
2447                 AC_MSG_RESULT(no)
2448         fi
2449 fi
2450
2451 # Use ip address instead of hostname in $DISPLAY
2452 if test ! -z "$IPADDR_IN_DISPLAY" ; then
2453         DISPLAY_HACK_MSG="yes"
2454         AC_DEFINE(IPADDR_IN_DISPLAY)
2455 else
2456         DISPLAY_HACK_MSG="no"
2457         AC_ARG_WITH(ipaddr-display,
2458                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
2459                 [
2460                         if test "x$withval" != "xno" ; then
2461                                 AC_DEFINE(IPADDR_IN_DISPLAY)
2462                                 DISPLAY_HACK_MSG="yes"
2463                         fi
2464                 ]
2465         )
2466 fi
2467
2468 # check for /etc/default/login and use it if present.
2469 AC_ARG_ENABLE(etc-default-login,
2470         [  --disable-etc-default-login       Disable using PATH from /etc/default/login [no]],,
2471 [
2472 AC_CHECK_FILE("/etc/default/login", [ external_path_file=/etc/default/login ])
2473
2474 if test "x$external_path_file" = "x/etc/default/login"; then
2475         AC_DEFINE(HAVE_ETC_DEFAULT_LOGIN)
2476 fi
2477 ])
2478
2479 dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
2480 if test $ac_cv_func_login_getcapbool = "yes" -a \
2481         $ac_cv_header_login_cap_h = "yes" ; then
2482         external_path_file=/etc/login.conf
2483 fi
2484
2485 # Whether to mess with the default path
2486 SERVER_PATH_MSG="(default)"
2487 AC_ARG_WITH(default-path,
2488         [  --with-default-path=    Specify default \$PATH environment for server],
2489         [
2490                 if test "x$external_path_file" = "x/etc/login.conf" ; then
2491                         AC_MSG_WARN([
2492 --with-default-path=PATH has no effect on this system.
2493 Edit /etc/login.conf instead.])
2494                 elif test "x$withval" != "xno" ; then
2495                         if test ! -z "$external_path_file" ; then
2496                                 AC_MSG_WARN([
2497 --with-default-path=PATH will only be used if PATH is not defined in
2498 $external_path_file .])
2499                         fi
2500                         user_path="$withval"
2501                         SERVER_PATH_MSG="$withval"
2502                 fi
2503         ],
2504         [ if test "x$external_path_file" = "x/etc/login.conf" ; then
2505                 AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
2506         else
2507                 if test ! -z "$external_path_file" ; then
2508                         AC_MSG_WARN([
2509 If PATH is defined in $external_path_file, ensure the path to scp is included,
2510 otherwise scp will not work.])
2511                 fi
2512                 AC_TRY_RUN(
2513                         [
2514 /* find out what STDPATH is */
2515 #include <stdio.h>
2516 #ifdef HAVE_PATHS_H
2517 # include <paths.h>
2518 #endif
2519 #ifndef _PATH_STDPATH
2520 # ifdef _PATH_USERPATH  /* Irix */
2521 #  define _PATH_STDPATH _PATH_USERPATH
2522 # else
2523 #  define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
2524 # endif
2525 #endif
2526 #include <sys/types.h>
2527 #include <sys/stat.h>
2528 #include <fcntl.h>
2529 #define DATA "conftest.stdpath"
2530
2531 main()
2532 {
2533         FILE *fd;
2534         int rc;
2535
2536         fd = fopen(DATA,"w");
2537         if(fd == NULL)
2538                 exit(1);
2539
2540         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
2541                 exit(1);
2542
2543         exit(0);
2544 }
2545                 ], [ user_path=`cat conftest.stdpath` ],
2546                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
2547                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
2548         )
2549         fi ]
2550 )
2551 if test "x$external_path_file" != "x/etc/login.conf" ; then
2552         AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
2553         AC_SUBST(user_path)
2554 fi
2555
2556 # Set superuser path separately to user path
2557 AC_ARG_WITH(superuser-path,
2558         [  --with-superuser-path=  Specify different path for super-user],
2559         [
2560                 if test "x$withval" != "xno" ; then
2561                         AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval")
2562                         superuser_path=$withval
2563                 fi
2564         ]
2565 )
2566
2567
2568 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
2569 IPV4_IN6_HACK_MSG="no"
2570 AC_ARG_WITH(4in6,
2571         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
2572         [
2573                 if test "x$withval" != "xno" ; then
2574                         AC_MSG_RESULT(yes)
2575                         AC_DEFINE(IPV4_IN_IPV6)
2576                         IPV4_IN6_HACK_MSG="yes"
2577                 else
2578                         AC_MSG_RESULT(no)
2579                 fi
2580         ],[
2581                 if test "x$inet6_default_4in6" = "xyes"; then
2582                         AC_MSG_RESULT([yes (default)])
2583                         AC_DEFINE(IPV4_IN_IPV6)
2584                         IPV4_IN6_HACK_MSG="yes"
2585                 else
2586                         AC_MSG_RESULT([no (default)])
2587                 fi
2588         ]
2589 )
2590
2591 # Whether to enable BSD auth support
2592 BSD_AUTH_MSG=no
2593 AC_ARG_WITH(bsd-auth,
2594         [  --with-bsd-auth         Enable BSD auth support],
2595         [
2596                 if test "x$withval" != "xno" ; then
2597                         AC_DEFINE(BSD_AUTH)
2598                         BSD_AUTH_MSG=yes
2599                 fi
2600         ]
2601 )
2602
2603 dnl allow user to disable some login recording features
2604 AC_ARG_ENABLE(lastlog,
2605         [  --disable-lastlog       disable use of lastlog even if detected [no]],
2606         [
2607                 if test "x$enableval" = "xno" ; then
2608                         AC_DEFINE(DISABLE_LASTLOG)
2609                 fi
2610         ]
2611 )
2612 AC_ARG_ENABLE(utmp,
2613         [  --disable-utmp          disable use of utmp even if detected [no]],
2614         [
2615                 if test "x$enableval" = "xno" ; then
2616                         AC_DEFINE(DISABLE_UTMP)
2617                 fi
2618         ]
2619 )
2620 AC_ARG_ENABLE(utmpx,
2621         [  --disable-utmpx         disable use of utmpx even if detected [no]],
2622         [
2623                 if test "x$enableval" = "xno" ; then
2624                         AC_DEFINE(DISABLE_UTMPX)
2625                 fi
2626         ]
2627 )
2628 AC_ARG_ENABLE(wtmp,
2629         [  --disable-wtmp          disable use of wtmp even if detected [no]],
2630         [
2631                 if test "x$enableval" = "xno" ; then
2632                         AC_DEFINE(DISABLE_WTMP)
2633                 fi
2634         ]
2635 )
2636 AC_ARG_ENABLE(wtmpx,
2637         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
2638         [
2639                 if test "x$enableval" = "xno" ; then
2640                         AC_DEFINE(DISABLE_WTMPX)
2641                 fi
2642         ]
2643 )
2644 AC_ARG_ENABLE(libutil,
2645         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
2646         [
2647                 if test "x$enableval" = "xno" ; then
2648                         AC_DEFINE(DISABLE_LOGIN)
2649                 fi
2650         ]
2651 )
2652 AC_ARG_ENABLE(pututline,
2653         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
2654         [
2655                 if test "x$enableval" = "xno" ; then
2656                         AC_DEFINE(DISABLE_PUTUTLINE)
2657                 fi
2658         ]
2659 )
2660 AC_ARG_ENABLE(pututxline,
2661         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
2662         [
2663                 if test "x$enableval" = "xno" ; then
2664                         AC_DEFINE(DISABLE_PUTUTXLINE)
2665                 fi
2666         ]
2667 )
2668 AC_ARG_WITH(lastlog,
2669   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
2670         [
2671                 if test "x$withval" = "xno" ; then
2672                         AC_DEFINE(DISABLE_LASTLOG)
2673                 else
2674                         conf_lastlog_location=$withval
2675                 fi
2676         ]
2677 )
2678
2679 dnl lastlog, [uw]tmpx? detection
2680 dnl  NOTE: set the paths in the platform section to avoid the
2681 dnl   need for command-line parameters
2682 dnl lastlog and [uw]tmp are subject to a file search if all else fails
2683
2684 dnl lastlog detection
2685 dnl  NOTE: the code itself will detect if lastlog is a directory
2686 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
2687 AC_TRY_COMPILE([
2688 #include <sys/types.h>
2689 #include <utmp.h>
2690 #ifdef HAVE_LASTLOG_H
2691 #  include <lastlog.h>
2692 #endif
2693 #ifdef HAVE_PATHS_H
2694 #  include <paths.h>
2695 #endif
2696 #ifdef HAVE_LOGIN_H
2697 # include <login.h>
2698 #endif
2699         ],
2700         [ char *lastlog = LASTLOG_FILE; ],
2701         [ AC_MSG_RESULT(yes) ],
2702         [
2703                 AC_MSG_RESULT(no)
2704                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
2705                 AC_TRY_COMPILE([
2706 #include <sys/types.h>
2707 #include <utmp.h>
2708 #ifdef HAVE_LASTLOG_H
2709 #  include <lastlog.h>
2710 #endif
2711 #ifdef HAVE_PATHS_H
2712 #  include <paths.h>
2713 #endif
2714                 ],
2715                 [ char *lastlog = _PATH_LASTLOG; ],
2716                 [ AC_MSG_RESULT(yes) ],
2717                 [
2718                         AC_MSG_RESULT(no)
2719                         system_lastlog_path=no
2720                 ])
2721         ]
2722 )
2723
2724 if test -z "$conf_lastlog_location"; then
2725         if test x"$system_lastlog_path" = x"no" ; then
2726                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
2727                                 if (test -d "$f" || test -f "$f") ; then
2728                                         conf_lastlog_location=$f
2729                                 fi
2730                 done
2731                 if test -z "$conf_lastlog_location"; then
2732                         AC_MSG_WARN([** Cannot find lastlog **])
2733                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
2734                 fi
2735         fi
2736 fi
2737
2738 if test -n "$conf_lastlog_location"; then
2739         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
2740 fi
2741
2742 dnl utmp detection
2743 AC_MSG_CHECKING([if your system defines UTMP_FILE])
2744 AC_TRY_COMPILE([
2745 #include <sys/types.h>
2746 #include <utmp.h>
2747 #ifdef HAVE_PATHS_H
2748 #  include <paths.h>
2749 #endif
2750         ],
2751         [ char *utmp = UTMP_FILE; ],
2752         [ AC_MSG_RESULT(yes) ],
2753         [ AC_MSG_RESULT(no)
2754           system_utmp_path=no ]
2755 )
2756 if test -z "$conf_utmp_location"; then
2757         if test x"$system_utmp_path" = x"no" ; then
2758                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
2759                         if test -f $f ; then
2760                                 conf_utmp_location=$f
2761                         fi
2762                 done
2763                 if test -z "$conf_utmp_location"; then
2764                         AC_DEFINE(DISABLE_UTMP)
2765                 fi
2766         fi
2767 fi
2768 if test -n "$conf_utmp_location"; then
2769         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
2770 fi
2771
2772 dnl wtmp detection
2773 AC_MSG_CHECKING([if your system defines WTMP_FILE])
2774 AC_TRY_COMPILE([
2775 #include <sys/types.h>
2776 #include <utmp.h>
2777 #ifdef HAVE_PATHS_H
2778 #  include <paths.h>
2779 #endif
2780         ],
2781         [ char *wtmp = WTMP_FILE; ],
2782         [ AC_MSG_RESULT(yes) ],
2783         [ AC_MSG_RESULT(no)
2784           system_wtmp_path=no ]
2785 )
2786 if test -z "$conf_wtmp_location"; then
2787         if test x"$system_wtmp_path" = x"no" ; then
2788                 for f in /usr/adm/wtmp /var/log/wtmp; do
2789                         if test -f $f ; then
2790                                 conf_wtmp_location=$f
2791                         fi
2792                 done
2793                 if test -z "$conf_wtmp_location"; then
2794                         AC_DEFINE(DISABLE_WTMP)
2795                 fi
2796         fi
2797 fi
2798 if test -n "$conf_wtmp_location"; then
2799         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
2800 fi
2801
2802
2803 dnl utmpx detection - I don't know any system so perverse as to require
2804 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
2805 dnl  there, though.
2806 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
2807 AC_TRY_COMPILE([
2808 #include <sys/types.h>
2809 #include <utmp.h>
2810 #ifdef HAVE_UTMPX_H
2811 #include <utmpx.h>
2812 #endif
2813 #ifdef HAVE_PATHS_H
2814 #  include <paths.h>
2815 #endif
2816         ],
2817         [ char *utmpx = UTMPX_FILE; ],
2818         [ AC_MSG_RESULT(yes) ],
2819         [ AC_MSG_RESULT(no)
2820           system_utmpx_path=no ]
2821 )
2822 if test -z "$conf_utmpx_location"; then
2823         if test x"$system_utmpx_path" = x"no" ; then
2824                 AC_DEFINE(DISABLE_UTMPX)
2825         fi
2826 else
2827         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
2828 fi
2829
2830 dnl wtmpx detection
2831 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
2832 AC_TRY_COMPILE([
2833 #include <sys/types.h>
2834 #include <utmp.h>
2835 #ifdef HAVE_UTMPX_H
2836 #include <utmpx.h>
2837 #endif
2838 #ifdef HAVE_PATHS_H
2839 #  include <paths.h>
2840 #endif
2841         ],
2842         [ char *wtmpx = WTMPX_FILE; ],
2843         [ AC_MSG_RESULT(yes) ],
2844         [ AC_MSG_RESULT(no)
2845           system_wtmpx_path=no ]
2846 )
2847 if test -z "$conf_wtmpx_location"; then
2848         if test x"$system_wtmpx_path" = x"no" ; then
2849                 AC_DEFINE(DISABLE_WTMPX)
2850         fi
2851 else
2852         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
2853 fi
2854
2855
2856 if test ! -z "$blibpath" ; then
2857         LDFLAGS="$LDFLAGS $blibflags$blibpath"
2858         AC_MSG_WARN([Please check and edit blibpath in LDFLAGS in Makefile])
2859 fi
2860
2861 dnl remove pam and dl because they are in $LIBPAM
2862 if test "$PAM_MSG" = yes ; then
2863         LIBS=`echo $LIBS | sed 's/-lpam //'`
2864 fi
2865 if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
2866         LIBS=`echo $LIBS | sed 's/-ldl //'`
2867 fi
2868
2869 AC_EXEEXT
2870 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
2871 AC_OUTPUT
2872
2873 # Print summary of options
2874
2875 # Someone please show me a better way :)
2876 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
2877 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
2878 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
2879 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
2880 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
2881 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
2882 H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
2883 I=`eval echo ${user_path}` ; I=`eval echo ${I}`
2884 J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
2885
2886 echo ""
2887 echo "OpenSSH has been configured with the following options:"
2888 echo "                     User binaries: $B"
2889 echo "                   System binaries: $C"
2890 echo "               Configuration files: $D"
2891 echo "                   Askpass program: $E"
2892 echo "                      Manual pages: $F"
2893 echo "  Privilege separation chroot path: $H"
2894 if test "x$external_path_file" = "x/etc/login.conf" ; then
2895 echo "   At runtime, sshd will use the path defined in $external_path_file"
2896 echo "   Make sure the path to scp is present, otherwise scp will not work"
2897 else
2898 echo "            sshd default user PATH: $I"
2899         if test ! -z "$external_path_file"; then
2900 echo "   (If PATH is set in $external_path_file it will be used instead. If"
2901 echo "   used, ensure the path to scp is present, otherwise scp will not work.)"
2902         fi
2903 fi
2904 if test ! -z "$superuser_path" ; then
2905 echo "          sshd superuser user PATH: $J"
2906 fi
2907 echo "                    Manpage format: $MANTYPE"
2908 echo "                       DNS support: $DNS_MSG"
2909 echo "                       PAM support: $PAM_MSG"
2910 echo "                 KerberosV support: $KRB5_MSG"
2911 echo "                 Smartcard support: $SCARD_MSG"
2912 echo "                     S/KEY support: $SKEY_MSG"
2913 echo "              TCP Wrappers support: $TCPW_MSG"
2914 echo "              MD5 password support: $MD5_MSG"
2915 echo "       IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
2916 echo "           Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
2917 echo "                  BSD Auth support: $BSD_AUTH_MSG"
2918 echo "              Random number source: $RAND_MSG"
2919 if test ! -z "$USE_RAND_HELPER" ; then
2920 echo "     ssh-rand-helper collects from: $RAND_HELPER_MSG"
2921 fi
2922
2923 echo ""
2924
2925 echo "              Host: ${host}"
2926 echo "          Compiler: ${CC}"
2927 echo "    Compiler flags: ${CFLAGS}"
2928 echo "Preprocessor flags: ${CPPFLAGS}"
2929 echo "      Linker flags: ${LDFLAGS}"
2930 echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
2931
2932 echo ""
2933
2934 if test "x$PAM_MSG" = "xyes" ; then
2935         echo "PAM is enabled. You may need to install a PAM control file "
2936         echo "for sshd, otherwise password authentication may fail. "
2937         echo "Example PAM control files can be found in the contrib/ "
2938         echo "subdirectory"
2939         echo ""
2940 fi
2941
2942 if test ! -z "$RAND_HELPER_CMDHASH" ; then
2943         echo "WARNING: you are using the builtin random number collection "
2944         echo "service. Please read WARNING.RNG and request that your OS "
2945         echo "vendor includes kernel-based random number collection in "
2946         echo "future versions of your OS."
2947         echo ""
2948 fi
2949