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