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