openssh/configure.ac

   1 # $Id$
   2
   3 AC_INIT
   4 AC_CONFIG_SRCDIR([ssh.c])
   5
   6 AC_CONFIG_HEADER(config.h)
   7 AC_PROG_CC
   8 AC_CANONICAL_HOST
   9 AC_C_BIGENDIAN
  10
  11 # Checks for programs.
  12 AC_PROG_CPP
  13 AC_PROG_RANLIB
  14 AC_PROG_INSTALL
  15 AC_PATH_PROG(AR, ar)
  16 AC_PATH_PROGS(PERL, perl5 perl)
  17 AC_PATH_PROG(SED, sed)
  18 AC_SUBST(PERL)
  19 AC_PATH_PROG(ENT, ent)
  20 AC_SUBST(ENT)
  21 AC_PATH_PROG(TEST_MINUS_S_SH, bash)
  22 AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
  23 AC_PATH_PROG(TEST_MINUS_S_SH, sh)
  24 AC_PATH_PROG(SH, sh)
  25
  26 # System features
  27 AC_SYS_LARGEFILE
  28
  29 if test -z "$AR" ; then
  30         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  31 fi
  32
  33 # Use LOGIN_PROGRAM from environment if possible
  34 if test ! -z "$LOGIN_PROGRAM" ; then
  35         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  36 else
  37         # Search for login
  38         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  39         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  40                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  41         fi
  42 fi
  43
  44 if test -z "$LD" ; then
  45         LD=$CC
  46 fi
  47 AC_SUBST(LD)
  48
  49 AC_C_INLINE
  50 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
  51         CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wno-uninitialized"
  52 fi
  53
  54 # Check for some target-specific stuff
  55 case "$host" in
  56 *-*-aix*)
  57         AFS_LIBS="-lld"
  58         CPPFLAGS="$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         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)],
  79                 [AC_CHECK_LIB(s,authenticate,
  80                         [ AC_DEFINE(WITH_AIXAUTHENTICATE)
  81                                 LIBS="$LIBS -ls"
  82                         ])
  83                 ])
  84         AC_DEFINE(BROKEN_GETADDRINFO)
  85         AC_DEFINE(BROKEN_REALPATH)
  86         dnl AIX handles lastlog as part of its login message
  87         AC_DEFINE(DISABLE_LASTLOG)
  88         AC_DEFINE(LOGIN_NEEDS_UTMPX)
  89         AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_CLOBBER_ARGV)
  90         AC_DEFINE(SETPROCTITLE_PS_PADDING, '\0')
  91         ;;
  92 *-*-cygwin*)
  93         check_for_libcrypt_later=1
  94         LIBS="$LIBS /usr/lib/textmode.o"
  95         AC_DEFINE(HAVE_CYGWIN)
  96         AC_DEFINE(USE_PIPES)
  97         AC_DEFINE(DISABLE_SHADOW)
  98         AC_DEFINE(IPV4_DEFAULT)
  99         AC_DEFINE(IP_TOS_IS_BROKEN)
 100         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 101         AC_DEFINE(NO_IPPORT_RESERVED_CONCEPT)
 102         AC_DEFINE(DISABLE_FD_PASSING)
 103         AC_DEFINE(SETGROUPS_NOOP)
 104         ;;
 105 *-*-dgux*)
 106         AC_DEFINE(IP_TOS_IS_BROKEN)
 107         ;;
 108 *-*-darwin*)
 109         AC_MSG_CHECKING(if we have working getaddrinfo)
 110         AC_TRY_RUN([#include <mach-o/dyld.h>
 111 main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
 112                 exit(0);
 113         else
 114                 exit(1);
 115 }], [AC_MSG_RESULT(working)],
 116         [AC_MSG_RESULT(buggy)
 117         AC_DEFINE(BROKEN_GETADDRINFO)],
 118         [AC_MSG_RESULT(assume it is working)])
 119         ;;
 120 *-*-hpux10.26)
 121         if test -z "$GCC"; then
 122                 CFLAGS="$CFLAGS -Ae"
 123         fi
 124         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 125         IPADDR_IN_DISPLAY=yes
 126         AC_DEFINE(HAVE_SECUREWARE)
 127         AC_DEFINE(USE_PIPES)
 128         AC_DEFINE(LOGIN_NO_ENDOPT)
 129         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 130         AC_DEFINE(DISABLE_SHADOW)
 131         AC_DEFINE(DISABLE_UTMP)
 132         AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_PSTAT)
 133         LIBS="$LIBS -lsec -lsecpw"
 134         AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
 135         disable_ptmx_check=yes
 136         ;;
 137 *-*-hpux10*)
 138         if test -z "$GCC"; then
 139                 CFLAGS="$CFLAGS -Ae"
 140         fi
 141         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 142         IPADDR_IN_DISPLAY=yes
 143         AC_DEFINE(USE_PIPES)
 144         AC_DEFINE(LOGIN_NO_ENDOPT)
 145         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 146         AC_DEFINE(DISABLE_SHADOW)
 147         AC_DEFINE(DISABLE_UTMP)
 148         AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_PSTAT)
 149         LIBS="$LIBS -lsec"
 150         AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
 151         ;;
 152 *-*-hpux11*)
 153         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 154         IPADDR_IN_DISPLAY=yes
 155         AC_DEFINE(PAM_SUN_CODEBASE)
 156         AC_DEFINE(USE_PIPES)
 157         AC_DEFINE(LOGIN_NO_ENDOPT)
 158         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 159         AC_DEFINE(DISABLE_SHADOW)
 160         AC_DEFINE(DISABLE_UTMP)
 161         AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_PSTAT)
 162         LIBS="$LIBS -lsec"
 163         AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
 164         ;;
 165 *-*-irix5*)
 166         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 167         LDFLAGS="$LDFLAGS"
 168         PATH="$PATH:/usr/etc"
 169         AC_DEFINE(BROKEN_INET_NTOA)
 170         AC_DEFINE(WITH_ABBREV_NO_TTY)
 171         ;;
 172 *-*-irix6*)
 173         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 174         LDFLAGS="$LDFLAGS"
 175         PATH="$PATH:/usr/etc"
 176         AC_DEFINE(WITH_IRIX_ARRAY)
 177         AC_DEFINE(WITH_IRIX_PROJECT)
 178         AC_DEFINE(WITH_IRIX_AUDIT)
 179         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 180         AC_DEFINE(BROKEN_INET_NTOA)
 181         AC_DEFINE(WITH_ABBREV_NO_TTY)
 182         ;;
 183 *-*-linux*)
 184         no_dev_ptmx=1
 185         check_for_libcrypt_later=1
 186         AC_DEFINE(DONT_TRY_OTHER_AF)
 187         AC_DEFINE(PAM_TTY_KLUDGE)
 188         AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_CLOBBER_ARGV)
 189         AC_DEFINE(SETPROCTITLE_PS_PADDING, '\0')
 190         inet6_default_4in6=yes
 191         ;;
 192 mips-sony-bsd|mips-sony-newsos4)
 193         AC_DEFINE(HAVE_NEWS4)
 194         SONY=1
 195         ;;
 196 *-*-netbsd*)
 197         check_for_libcrypt_before=1
 198         need_dash_r=1
 199         ;;
 200 *-*-freebsd*)
 201         check_for_libcrypt_later=1
 202         ;;
 203 *-next-*)
 204         conf_lastlog_location="/usr/adm/lastlog"
 205         conf_utmp_location=/etc/utmp
 206         conf_wtmp_location=/usr/adm/wtmp
 207         MAIL=/usr/spool/mail
 208         AC_DEFINE(HAVE_NEXT)
 209         AC_DEFINE(BROKEN_REALPATH)
 210         AC_DEFINE(USE_PIPES)
 211         AC_DEFINE(BROKEN_SAVED_UIDS)
 212         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 213         CFLAGS="$CFLAGS"
 214         ;;
 215 *-*-solaris*)
 216         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 217         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 218         need_dash_r=1
 219         AC_DEFINE(PAM_SUN_CODEBASE)
 220         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 221         AC_DEFINE(LOGIN_NEEDS_TERM)
 222         AC_DEFINE(PAM_TTY_KLUDGE)
 223         AC_DEFINE(STREAMS_PUSH_ACQUIRES_CTTY)
 224         # hardwire lastlog location (can't detect it on some versions)
 225         conf_lastlog_location="/var/adm/lastlog"
 226         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 227         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 228         if test "$sol2ver" -ge 8; then
 229                 AC_MSG_RESULT(yes)
 230                 AC_DEFINE(DISABLE_UTMP)
 231                 AC_DEFINE(DISABLE_WTMP)
 232         else
 233                 AC_MSG_RESULT(no)
 234         fi
 235         ;;
 236 *-*-sunos4*)
 237         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 238         AC_CHECK_FUNCS(getpwanam)
 239         AC_DEFINE(PAM_SUN_CODEBASE)
 240         conf_utmp_location=/etc/utmp
 241         conf_wtmp_location=/var/adm/wtmp
 242         conf_lastlog_location=/var/adm/lastlog
 243         AC_DEFINE(USE_PIPES)
 244         ;;
 245 *-ncr-sysv*)
 246         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 247         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 248         LIBS="$LIBS -lc89"
 249         AC_DEFINE(USE_PIPES)
 250         ;;
 251 *-sni-sysv*)
 252         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 253         # /usr/ucblib MUST NOT be searched on ReliantUNIX
 254         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 255         IPADDR_IN_DISPLAY=yes
 256         AC_DEFINE(USE_PIPES)
 257         AC_DEFINE(IP_TOS_IS_BROKEN)
 258         # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
 259         # Attention: always take care to bind libsocket and libnsl before libc,
 260         # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
 261         ;;
 262 *-*-sysv4.2*)
 263         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 264         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 265         AC_DEFINE(USE_PIPES)
 266         ;;
 267 *-*-sysv5*)
 268         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 269         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 270         AC_DEFINE(USE_PIPES)
 271         ;;
 272 *-*-sysv*)
 273         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 274         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 275         ;;
 276 *-*-sco3.2v4*)
 277         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 278         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 279         LIBS="$LIBS -los -lprot -lx -ltinfo -lm"
 280         RANLIB=true
 281         no_dev_ptmx=1
 282         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 283         AC_DEFINE(USE_PIPES)
 284         AC_DEFINE(HAVE_SECUREWARE)
 285         AC_DEFINE(DISABLE_SHADOW)
 286         AC_DEFINE(BROKEN_SAVED_UIDS)
 287         AC_CHECK_FUNCS(getluid setluid)
 288         MANTYPE=man
 289         do_sco3_extra_lib_check=yes
 290         ;;
 291 *-*-sco3.2v5*)
 292         if test -z "$GCC"; then
 293                 CFLAGS="$CFLAGS -belf"
 294         fi
 295         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 296         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 297         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 298         no_dev_ptmx=1
 299         AC_DEFINE(USE_PIPES)
 300         AC_DEFINE(HAVE_SECUREWARE)
 301         AC_DEFINE(DISABLE_SHADOW)
 302         AC_DEFINE(DISABLE_FD_PASSING)
 303         AC_CHECK_FUNCS(getluid setluid)
 304         MANTYPE=man
 305         ;;
 306 *-*-unicosmk*)
 307         AC_DEFINE(USE_PIPES)
 308         AC_DEFINE(DISABLE_FD_PASSING)
 309         LDFLAGS="$LDFLAGS"
 310         LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
 311         MANTYPE=cat
 312         ;;
 313 *-*-unicos*)
 314         AC_DEFINE(USE_PIPES)
 315         AC_DEFINE(DISABLE_FD_PASSING)
 316         AC_DEFINE(NO_SSH_LASTLOG)
 317         LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal"
 318         LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
 319         MANTYPE=cat
 320         ;;
 321 *-dec-osf*)
 322         AC_MSG_CHECKING(for Digital Unix SIA)
 323         no_osfsia=""
 324         AC_ARG_WITH(osfsia,
 325                 [  --with-osfsia           Enable Digital Unix SIA],
 326                 [
 327                         if test "x$withval" = "xno" ; then
 328                                 AC_MSG_RESULT(disabled)
 329                                 no_osfsia=1
 330                         fi
 331                 ],
 332         )
 333         if test -z "$no_osfsia" ; then
 334                 if test -f /etc/sia/matrix.conf; then
 335                         AC_MSG_RESULT(yes)
 336                         AC_DEFINE(HAVE_OSF_SIA)
 337                         AC_DEFINE(DISABLE_LOGIN)
 338                         AC_DEFINE(DISABLE_FD_PASSING)
 339                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 340                 else
 341                         AC_MSG_RESULT(no)
 342                 fi
 343         fi
 344         AC_DEFINE(DISABLE_FD_PASSING)
 345         ;;
 346
 347 *-*-nto-qnx)
 348         AC_DEFINE(USE_PIPES)
 349         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 350         AC_DEFINE(MISSING_NFDBITS)
 351         AC_DEFINE(MISSING_HOWMANY)
 352         AC_DEFINE(MISSING_FD_MASK)
 353         ;;
 354 esac
 355
 356 # Allow user to specify flags
 357 AC_ARG_WITH(cflags,
 358         [  --with-cflags           Specify additional flags to pass to compiler],
 359         [
 360                 if test "x$withval" != "xno" ; then
 361                         CFLAGS="$CFLAGS $withval"
 362                 fi
 363         ]
 364 )
 365 AC_ARG_WITH(cppflags,
 366         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 367         [
 368                 if test "x$withval" != "xno"; then
 369                         CPPFLAGS="$CPPFLAGS $withval"
 370                 fi
 371         ]
 372 )
 373 AC_ARG_WITH(ldflags,
 374         [  --with-ldflags          Specify additional flags to pass to linker],
 375         [
 376                 if test "x$withval" != "xno" ; then
 377                         LDFLAGS="$LDFLAGS $withval"
 378                 fi
 379         ]
 380 )
 381 AC_ARG_WITH(libs,
 382         [  --with-libs             Specify additional libraries to link with],
 383         [
 384                 if test "x$withval" != "xno" ; then
 385                         LIBS="$LIBS $withval"
 386                 fi
 387         ]
 388 )
 389
 390 # Checks for header files.
 391 AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \
 392         getopt.h glob.h ia.h lastlog.h libgen.h limits.h login.h \
 393         login_cap.h maillock.h netdb.h netgroup.h \
 394         netinet/in_systm.h paths.h pty.h readpassphrase.h \
 395         rpc/types.h security/pam_appl.h shadow.h stddef.h stdint.h \
 396         strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
 397         sys/mman.h sys/pstat.h sys/select.h sys/stat.h \
 398         sys/stropts.h sys/sysmacros.h sys/time.h sys/timers.h \
 399         sys/un.h time.h tmpdir.h ttyent.h usersec.h \
 400         util.h utime.h utmp.h utmpx.h)
 401
 402 # Checks for libraries.
 403 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
 404 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
 405
 406 dnl SCO OS3 needs this for libwrap
 407 if test "x$with_tcp_wrappers" != "xno" ; then
 408     if test "x$do_sco3_extra_lib_check" = "xyes" ; then
 409         AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 410     fi
 411 fi
 412
 413 AC_CHECK_FUNC(getspnam, ,
 414         AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
 415
 416 AC_ARG_WITH(rpath,
 417         [  --without-rpath         Disable auto-added -R linker paths],
 418         [
 419                 if test "x$withval" = "xno" ; then
 420                         need_dash_r=""
 421                 fi
 422                 if test "x$withval" = "xyes" ; then
 423                         need_dash_r=1
 424                 fi
 425         ]
 426 )
 427
 428 dnl zlib is required
 429 AC_ARG_WITH(zlib,
 430         [  --with-zlib=PATH        Use zlib in PATH],
 431         [
 432                 if test "x$withval" = "xno" ; then
 433                         AC_MSG_ERROR([*** zlib is required ***])
 434                 fi
 435                 if test -d "$withval/lib"; then
 436                         if test -n "${need_dash_r}"; then
 437                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 438                         else
 439                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 440                         fi
 441                 else
 442                         if test -n "${need_dash_r}"; then
 443                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 444                         else
 445                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 446                         fi
 447                 fi
 448                 if test -d "$withval/include"; then
 449                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 450                 else
 451                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 452                 fi
 453         ]
 454 )
 455
 456 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 457
 458 dnl UnixWare 2.x
 459 AC_CHECK_FUNC(strcasecmp,
 460         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 461 )
 462 AC_CHECK_FUNC(utimes,
 463         [], [ AC_CHECK_LIB(c89, utimes, [AC_DEFINE(HAVE_UTIMES)
 464                                         LIBS="$LIBS -lc89"]) ]
 465 )
 466
 467 dnl    Checks for libutil functions
 468 AC_CHECK_HEADERS(libutil.h)
 469 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN)])
 470 AC_CHECK_FUNCS(logout updwtmp logwtmp)
 471
 472 AC_FUNC_STRFTIME
 473
 474 # Check for ALTDIRFUNC glob() extension
 475 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 476 AC_EGREP_CPP(FOUNDIT,
 477         [
 478                 #include <glob.h>
 479                 #ifdef GLOB_ALTDIRFUNC
 480                 FOUNDIT
 481                 #endif
 482         ],
 483         [
 484                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 485                 AC_MSG_RESULT(yes)
 486         ],
 487         [
 488                 AC_MSG_RESULT(no)
 489         ]
 490 )
 491
 492 # Check for g.gl_matchc glob() extension
 493 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 494 AC_EGREP_CPP(FOUNDIT,
 495         [
 496                 #include <glob.h>
 497                 int main(void){glob_t g; g.gl_matchc = 1;}
 498         ],
 499         [
 500                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 501                 AC_MSG_RESULT(yes)
 502         ],
 503         [
 504                 AC_MSG_RESULT(no)
 505         ]
 506 )
 507
 508 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 509 AC_TRY_RUN(
 510         [
 511 #include <sys/types.h>
 512 #include <dirent.h>
 513 int main(void){struct dirent d;exit(sizeof(d.d_name)<=sizeof(char));}
 514         ],
 515         [AC_MSG_RESULT(yes)],
 516         [
 517                 AC_MSG_RESULT(no)
 518                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 519         ]
 520 )
 521
 522 # Check whether the user wants GSSAPI mechglue support
 523 AC_ARG_WITH(mechglue,
 524         [  --with-mechglue=PATH    Build with GSSAPI mechglue library],
 525         [
 526                 AC_MSG_CHECKING(for mechglue library)
 527
 528                 if test -e ${withval}/libgssapi.a ; then
 529                     mechglue_lib=${withval}/libgssapi.a
 530                 elif test -e ${withval}/lib/libgssapi.a ; then
 531                     mechglue_lib=${withval}/lib/libgssapi.a
 532                 else
 533                     AC_MSG_ERROR("Can't find libgssapi in ${withval}");
 534                 fi
 535                 LIBS="$LIBS ${mechglue_lib}"
 536                 AC_MSG_RESULT(${mechglue_lib})
 537
 538                 AC_CHECK_LIB(dl, dlopen, , )
 539                 if test $ac_cv_lib_dl_dlopen = yes; then
 540                    LDFLAGS="$LDFLAGS -ldl -Wl,-Bsymbolic"
 541                 fi
 542
 543                 AC_DEFINE(GSSAPI)
 544                 AC_DEFINE(MECHGLUE)
 545                 GSSAPI="mechglue"
 546
 547         ]
 548 )
 549
 550
 551 # Check whether the user wants GSI (Globus) support
 552 gsi_path="no"
 553 AC_ARG_WITH(gsi,
 554         [  --with-gsi=PATH         Enable GSI/Globus authentication support],
 555         [
 556                 gsi_path="$withval"
 557         ]
 558 )
 559
 560 AC_ARG_WITH(globus,
 561         [  --with-globus=PATH      Enable GSI/Globus authentication support],
 562         [
 563                 gsi_path="$withval"
 564         ]
 565 )
 566
 567 # Check whether the user has a Globus flavor type
 568 globus_flavor_type="no"
 569 AC_ARG_WITH(globus-flavor,
 570         [  --with-globus-flavor=TYPE         Describe Globus flavor type (ex: gcc32dbg, etc.)],
 571         [
 572                 globus_flavor_type="$withval"
 573         ]
 574 )
 575
 576 if test "x$gsi_path" != "xno" ; then
 577         # Globus GSSAPI configuration
 578         AC_MSG_CHECKING(for Globus GSI)
 579         AC_DEFINE(GSI)
 580
 581         if test "$GSSAPI" -a "$GSSAPI" != "mechglue"; then
 582                 AC_MSG_ERROR([Previously configured GSSAPI library conflicts with Globus/GSI.])
 583         fi
 584         if test -z "$GSSAPI"; then
 585                 AC_DEFINE(GSSAPI)
 586                 GSSAPI="GSI"
 587         fi
 588
 589         if test "x$globus_install_dir" = "xyes" ; then
 590                 AC_MSG_ERROR(--with-globus=PATH must specify a path)
 591         fi
 592
 593         if test "x$globus_flavor_type" = "xno" ; then
 594                 AC_MSG_ERROR(--with-globus-flavor=TYPE must be specified)
 595         fi
 596         if test "x$globus_flavor_type" = "xyes" ; then
 597                 AC_MSG_ERROR(--with-globus-flavor=TYPE must specify a flavor type)
 598         fi
 599         AC_MSG_RESULT(yes)
 600
 601         AC_MSG_CHECKING(for Globus include path)
 602         GLOBUS_INCLUDE="${gsi_path}/include/${globus_flavor_type}"
 603         if test ! -d "$GLOBUS_INCLUDE" ; then
 604                 AC_MSG_ERROR(Cannot find Globus flavor-specific include directory: ${GLOBUS_INCLUDE})
 605         fi
 606         GSI_CPPFLAGS="-I${GLOBUS_INCLUDE}"
 607         AC_MSG_RESULT(yes)
 608
 609         #
 610         # Find GPT linkline helper
 611         #
 612
 613         AC_MSG_CHECKING(for GPT linkline helper)
 614         if test -x $GPT_LOCATION/sbin/gpt_build_config ; then
 615                 gpt_linkline_helper="$GPT_LOCATION/sbin/gpt_build_config"
 616         elif test -x ${gsi_path}/sbin/gpt_build_config ; then
 617                 gpt_linkline_helper="${gsi_path}/sbin/gpt_build_config"
 618         else
 619                 AC_MSG_ERROR(Cannot find gpt_build_config: GPT installation is incomplete)
 620         fi
 621
 622         #
 623         # Build Globus linkline
 624         #
 625
 626         ${gpt_linkline_helper} -f ${globus_flavor_type} -link shared -src pkg_data_src.gpt
 627         . ./gpt_build_temp.sh
 628         GSI_LDFLAGS="-L${gsi_path}/lib"
 629         GSI_LIBS="$GPT_CONFIG_PGM_LINKS"
 630         export LD_LIBRARY_PATH="${gsi_path}/lib:$LD_LIBRARY_PATH"
 631
 632         #
 633         # Test Globus linkline
 634         #
 635
 636         AC_MSG_CHECKING(for Globus linkline)
 637         if test -z "$GSI_LIBS" ; then
 638                 AC_MSG_ERROR(gpt_build_config failed)
 639         fi
 640         AC_MSG_RESULT(yes)
 641
 642         LIBS="$LIBS $GSI_LIBS"
 643         LDFLAGS="$LDFLAGS $GSI_LDFLAGS"
 644         CPPFLAGS="$CPPFLAGS $GSI_CPPFLAGS"
 645
 646         AC_MSG_CHECKING(that Globus linkline works)
 647         # test that we got the libraries OK
 648         AC_TRY_LINK(
 649                 [],
 650                 [],
 651                 [
 652                         AC_MSG_RESULT(yes)
 653                 ],
 654                 [
 655                         AC_MSG_ERROR(link with Globus libraries failed)
 656                 ]
 657         )
 658         INSTALL_GSISSH="yes"
 659 else
 660         INSTALL_GSISSH=""
 661 fi
 662 # End Globus/GSI section
 663
 664 # Check whether user wants S/Key support
 665 SKEY_MSG="no"
 666 AC_ARG_WITH(skey,
 667         [  --with-skey[[=PATH]]      Enable S/Key support
 668                             (optionally in PATH)],
 669         [
 670                 if test "x$withval" != "xno" ; then
 671
 672                         if test "x$withval" != "xyes" ; then
 673                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 674                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 675                         fi
 676
 677                         AC_DEFINE(SKEY)
 678                         LIBS="-lskey $LIBS"
 679                         SKEY_MSG="yes"
 680
 681                         AC_MSG_CHECKING([for s/key support])
 682                         AC_TRY_RUN(
 683                                 [
 684 #include <stdio.h>
 685 #include <skey.h>
 686 int main() { char *ff = skey_keyinfo(""); ff=""; exit(0); }
 687                                 ],
 688                                 [AC_MSG_RESULT(yes)],
 689                                 [
 690                                         AC_MSG_RESULT(no)
 691                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 692                                 ])
 693                 fi
 694         ]
 695 )
 696
 697 # Check whether user wants TCP wrappers support
 698 TCPW_MSG="no"
 699 AC_ARG_WITH(tcp-wrappers,
 700         [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
 701                             (optionally in PATH)],
 702         [
 703                 if test "x$withval" != "xno" ; then
 704                         saved_LIBS="$LIBS"
 705                         saved_LDFLAGS="$LDFLAGS"
 706                         saved_CPPFLAGS="$CPPFLAGS"
 707                         if test -n "${withval}" -a "${withval}" != "yes"; then
 708                                 if test -d "${withval}/lib"; then
 709                                         if test -n "${need_dash_r}"; then
 710                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 711                                         else
 712                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 713                                         fi
 714                                 else
 715                                         if test -n "${need_dash_r}"; then
 716                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 717                                         else
 718                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 719                                         fi
 720                                 fi
 721                                 if test -d "${withval}/include"; then
 722                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 723                                 else
 724                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 725                                 fi
 726                         fi
 727                         LIBWRAP="-lwrap"
 728                         LIBS="$LIBWRAP $LIBS"
 729                         AC_MSG_CHECKING(for libwrap)
 730                         AC_TRY_LINK(
 731                                 [
 732 #include <tcpd.h>
 733                                         int deny_severity = 0, allow_severity = 0;
 734                                 ],
 735                                 [hosts_access(0);],
 736                                 [
 737                                         AC_MSG_RESULT(yes)
 738                                         AC_DEFINE(LIBWRAP)
 739                                         AC_SUBST(LIBWRAP)
 740                                         TCPW_MSG="yes"
 741                                 ],
 742                                 [
 743                                         AC_MSG_ERROR([*** libwrap missing])
 744                                 ]
 745                         )
 746                         LIBS="$saved_LIBS"
 747                 fi
 748         ]
 749 )
 750
 751 dnl    Checks for library functions. Please keep in alphabetical order
 752 AC_CHECK_FUNCS(\
 753         arc4random __b64_ntop b64_ntop __b64_pton b64_pton basename bcopy \
 754         bindresvport_sa clock fchmod fchown freeaddrinfo futimes \
 755         gai_strerror getaddrinfo getcwd getgrouplist getnameinfo getopt \
 756         getpeereid _getpty getrlimit getrusage getttyent glob inet_aton \
 757         inet_ntoa inet_ntop innetgr login_getcapbool md5_crypt memmove \
 758         mkdtemp mmap ngetaddrinfo nsleep ogetaddrinfo openpty pstat \
 759         readpassphrase realpath recvmsg rresvport_af sendmsg setdtablesize \
 760         setegid setenv seteuid setgroups setlogin setpcred setproctitle \
 761         setresgid setreuid setrlimit setsid setvbuf sigaction sigvec \
 762         snprintf socketpair strerror strlcat strlcpy strmode strnvis \
 763         sysconf tcgetpgrp truncate utimes vhangup vsnprintf waitpid \
 764 )
 765
 766 AC_SEARCH_LIBS(nanosleep, rt posix4, AC_DEFINE(HAVE_NANOSLEEP))
 767 AC_SEARCH_LIBS(basename, gen, AC_DEFINE(HAVE_BASENAME))
 768
 769 dnl IRIX has basename() in libgen
 770 AC_SEARCH_LIBS(basename, gen, AC_DEFINE(HAVE_BASENAME))
 771
 772 dnl Make sure strsep prototype is defined before defining HAVE_STRSEP
 773 AC_CHECK_DECL(strsep, [AC_CHECK_FUNCS(strsep)])
 774
 775 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 776 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 777         AC_CHECK_LIB(gen, dirname,[
 778                 AC_CACHE_CHECK([for broken dirname],
 779                         ac_cv_have_broken_dirname, [
 780                         save_LIBS="$LIBS"
 781                         LIBS="$LIBS -lgen"
 782                         AC_TRY_RUN(
 783                                 [
 784 #include <libgen.h>
 785 #include <string.h>
 786
 787 int main(int argc, char **argv) {
 788     char *s, buf[32];
 789
 790     strncpy(buf,"/etc", 32);
 791     s = dirname(buf);
 792     if (!s || strncmp(s, "/", 32) != 0) {
 793         exit(1);
 794     } else {
 795         exit(0);
 796     }
 797 }
 798                                 ],
 799                                 [ ac_cv_have_broken_dirname="no" ],
 800                                 [ ac_cv_have_broken_dirname="yes" ]
 801                         )
 802                         LIBS="$save_LIBS"
 803                 ])
 804                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 805                         LIBS="$LIBS -lgen"
 806                         AC_DEFINE(HAVE_DIRNAME)
 807                         AC_CHECK_HEADERS(libgen.h)
 808                 fi
 809         ])
 810 ])
 811
 812 dnl    Checks for time functions
 813 AC_CHECK_FUNCS(gettimeofday time)
 814 dnl    Checks for utmp functions
 815 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 816 AC_CHECK_FUNCS(utmpname)
 817 dnl    Checks for utmpx functions
 818 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 819 AC_CHECK_FUNCS(setutxent utmpxname)
 820
 821 AC_CHECK_FUNC(daemon,
 822         [AC_DEFINE(HAVE_DAEMON)],
 823         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 824 )
 825
 826 AC_CHECK_FUNC(getpagesize,
 827         [AC_DEFINE(HAVE_GETPAGESIZE)],
 828         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 829 )
 830
 831 # Check for broken snprintf
 832 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 833         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 834         AC_TRY_RUN(
 835                 [
 836 #include <stdio.h>
 837 int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');}
 838                 ],
 839                 [AC_MSG_RESULT(yes)],
 840                 [
 841                         AC_MSG_RESULT(no)
 842                         AC_DEFINE(BROKEN_SNPRINTF)
 843                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 844                 ]
 845         )
 846 fi
 847
 848 dnl see whether mkstemp() requires XXXXXX
 849 if test "x$ac_cv_func_mkdtemp" = "xyes" ; then
 850 AC_MSG_CHECKING([for (overly) strict mkstemp])
 851 AC_TRY_RUN(
 852         [
 853 #include <stdlib.h>
 854 main() { char template[]="conftest.mkstemp-test";
 855 if (mkstemp(template) == -1)
 856         exit(1);
 857 unlink(template); exit(0);
 858 }
 859         ],
 860         [
 861                 AC_MSG_RESULT(no)
 862         ],
 863         [
 864                 AC_MSG_RESULT(yes)
 865                 AC_DEFINE(HAVE_STRICT_MKSTEMP)
 866         ],
 867         [
 868                 AC_MSG_RESULT(yes)
 869                 AC_DEFINE(HAVE_STRICT_MKSTEMP)
 870         ]
 871 )
 872 fi
 873
 874 AC_FUNC_GETPGRP
 875
 876 # Check for PAM libs
 877 PAM_MSG="no"
 878 AC_ARG_WITH(pam,
 879         [  --with-pam              Enable PAM support ],
 880         [
 881                 if test "x$withval" != "xno" ; then
 882                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 883                                 AC_MSG_ERROR([PAM headers not found])
 884                         fi
 885
 886                         AC_CHECK_LIB(dl, dlopen, , )
 887                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 888                         AC_CHECK_FUNCS(pam_getenvlist)
 889                         AC_CHECK_FUNCS(pam_putenv)
 890
 891                         disable_shadow=yes
 892                         PAM_MSG="yes"
 893
 894                         AC_DEFINE(USE_PAM)
 895                         if test $ac_cv_lib_dl_dlopen = yes; then
 896                                 LIBPAM="-lpam -ldl"
 897                         else
 898                                 LIBPAM="-lpam"
 899                         fi
 900
 901                         AC_SUBST(LIBPAM)
 902                 fi
 903         ]
 904 )
 905
 906 # Check for older PAM
 907 if test "x$PAM_MSG" = "xyes" ; then
 908         # Check PAM strerror arguments (old PAM)
 909         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 910         AC_TRY_COMPILE(
 911                 [
 912 #include <stdlib.h>
 913 #include <security/pam_appl.h>
 914                 ],
 915                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 916                 [AC_MSG_RESULT(no)],
 917                 [
 918                         AC_DEFINE(HAVE_OLD_PAM)
 919                         AC_MSG_RESULT(yes)
 920                         PAM_MSG="yes (old library)"
 921                 ]
 922         )
 923 fi
 924
 925 # Some systems want crypt() from libcrypt, *not* the version in OpenSSL,
 926 # because the system crypt() is more featureful.
 927 if test "x$check_for_libcrypt_before" = "x1"; then
 928         AC_CHECK_LIB(crypt, crypt)
 929 fi
 930
 931 # Search for OpenSSL
 932 saved_CPPFLAGS="$CPPFLAGS"
 933 saved_LDFLAGS="$LDFLAGS"
 934 AC_ARG_WITH(ssl-dir,
 935         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 936         [
 937                 if test "x$withval" != "xno" ; then
 938                         if test -d "$withval/lib"; then
 939                                 if test -n "${need_dash_r}"; then
 940                                         LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 941                                 else
 942                                         LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 943                                 fi
 944                         else
 945                                 if test -n "${need_dash_r}"; then
 946                                         LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 947                                 else
 948                                         LDFLAGS="-L${withval} ${LDFLAGS}"
 949                                 fi
 950                         fi
 951                         if test -d "$withval/include"; then
 952                                 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 953                         else
 954                                 CPPFLAGS="-I${withval} ${CPPFLAGS}"
 955                         fi
 956                 fi
 957         ]
 958 )
 959
 960 if test -z "$GSI_LIBS" ; then
 961         LIBS="$LIBS -lcrypto"
 962 fi
 963
 964 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 965         [
 966                 dnl Check default openssl install dir
 967                 if test -n "${need_dash_r}"; then
 968                         LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
 969                 else
 970                         LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
 971                 fi
 972                 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
 973                 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 974                         [
 975                                 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
 976                         ]
 977                 )
 978         ]
 979 )
 980
 981 # Determine OpenSSL header version
 982 AC_MSG_CHECKING([OpenSSL header version])
 983 AC_TRY_RUN(
 984         [
 985 #include <stdio.h>
 986 #include <string.h>
 987 #include <openssl/opensslv.h>
 988 #define DATA "conftest.sslincver"
 989 int main(void) {
 990         FILE *fd;
 991         int rc;
 992
 993         fd = fopen(DATA,"w");
 994         if(fd == NULL)
 995                 exit(1);
 996
 997         if ((rc = fprintf(fd ,"%x (%s)\n", OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT)) <0)
 998                 exit(1);
 999
1000         exit(0);
1001 }
1002         ],
1003         [
1004                 ssl_header_ver=`cat conftest.sslincver`
1005                 AC_MSG_RESULT($ssl_header_ver)
1006         ],
1007         [
1008                 AC_MSG_RESULT(not found)
1009                 AC_MSG_ERROR(OpenSSL version header not found.)
1010         ]
1011 )
1012
1013 # Determine OpenSSL library version
1014 AC_MSG_CHECKING([OpenSSL library version])
1015 AC_TRY_RUN(
1016         [
1017 #include <stdio.h>
1018 #include <string.h>
1019 #include <openssl/opensslv.h>
1020 #include <openssl/crypto.h>
1021 #define DATA "conftest.ssllibver"
1022 int main(void) {
1023         FILE *fd;
1024         int rc;
1025
1026         fd = fopen(DATA,"w");
1027         if(fd == NULL)
1028                 exit(1);
1029
1030         if ((rc = fprintf(fd ,"%x (%s)\n", SSLeay(), SSLeay_version(SSLEAY_VERSION))) <0)
1031                 exit(1);
1032
1033         exit(0);
1034 }
1035         ],
1036         [
1037                 ssl_library_ver=`cat conftest.ssllibver`
1038                 AC_MSG_RESULT($ssl_library_ver)
1039         ],
1040         [
1041                 AC_MSG_RESULT(not found)
1042                 AC_MSG_ERROR(OpenSSL library not found.)
1043         ]
1044 )
1045
1046 # Sanity check OpenSSL headers
1047 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
1048 AC_TRY_RUN(
1049         [
1050 #include <string.h>
1051 #include <openssl/opensslv.h>
1052 int main(void) { exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
1053         ],
1054         [
1055                 AC_MSG_RESULT(yes)
1056         ],
1057         [
1058                 AC_MSG_RESULT(no)
1059                 AC_MSG_ERROR(Your OpenSSL headers do not match your library)
1060         ]
1061 )
1062
1063 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
1064 # version in OpenSSL. Skip this for PAM
1065 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
1066         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
1067 fi
1068
1069
1070 ### Configure cryptographic random number support
1071
1072 # Check wheter OpenSSL seeds itself
1073 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
1074 AC_TRY_RUN(
1075         [
1076 #include <string.h>
1077 #include <openssl/rand.h>
1078 int main(void) { exit(RAND_status() == 1 ? 0 : 1); }
1079         ],
1080         [
1081                 OPENSSL_SEEDS_ITSELF=yes
1082                 AC_MSG_RESULT(yes)
1083         ],
1084         [
1085                 AC_MSG_RESULT(no)
1086                 # Default to use of the rand helper if OpenSSL doesn't
1087                 # seed itself
1088                 USE_RAND_HELPER=yes
1089         ]
1090 )
1091
1092
1093 # Do we want to force the use of the rand helper?
1094 AC_ARG_WITH(rand-helper,
1095         [  --with-rand-helper      Use subprocess to gather strong randomness ],
1096         [
1097                 if test "x$withval" = "xno" ; then
1098                         # Force use of OpenSSL's internal RNG, even if
1099                         # the previous test showed it to be unseeded.
1100                         if test -z "$OPENSSL_SEEDS_ITSELF" ; then
1101                                 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
1102                                 OPENSSL_SEEDS_ITSELF=yes
1103                                 USE_RAND_HELPER=""
1104                         fi
1105                 else
1106                         USE_RAND_HELPER=yes
1107                 fi
1108         ],
1109 )
1110
1111 # Which randomness source do we use?
1112 if test ! -z "$OPENSSL_SEEDS_ITSELF" -a -z "$USE_RAND_HELPER" ; then
1113         # OpenSSL only
1114         AC_DEFINE(OPENSSL_PRNG_ONLY)
1115         RAND_MSG="OpenSSL internal ONLY"
1116         INSTALL_SSH_RAND_HELPER=""
1117 elif test ! -z "$USE_RAND_HELPER" ; then
1118         # install rand helper
1119         RAND_MSG="ssh-rand-helper"
1120         INSTALL_SSH_RAND_HELPER="yes"
1121 fi
1122 AC_SUBST(INSTALL_SSH_RAND_HELPER)
1123
1124 ### Configuration of ssh-rand-helper
1125
1126 # PRNGD TCP socket
1127 AC_ARG_WITH(prngd-port,
1128         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD TCP localhost:PORT],
1129         [
1130                 case "$withval" in
1131                 no)
1132                         withval=""
1133                         ;;
1134                 [[0-9]]*)
1135                         ;;
1136                 *)
1137                         AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
1138                         ;;
1139                 esac
1140                 if test ! -z "$withval" ; then
1141                         PRNGD_PORT="$withval"
1142                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
1143                 fi
1144         ]
1145 )
1146
1147 # PRNGD Unix domain socket
1148 AC_ARG_WITH(prngd-socket,
1149         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1150         [
1151                 case "$withval" in
1152                 yes)
1153                         withval="/var/run/egd-pool"
1154                         ;;
1155                 no)
1156                         withval=""
1157                         ;;
1158                 /*)
1159                         ;;
1160                 *)
1161                         AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
1162                         ;;
1163                 esac
1164
1165                 if test ! -z "$withval" ; then
1166                         if test ! -z "$PRNGD_PORT" ; then
1167                                 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
1168                         fi
1169                         if test ! -r "$withval" ; then
1170                                 AC_MSG_WARN(Entropy socket is not readable)
1171                         fi
1172                         PRNGD_SOCKET="$withval"
1173                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1174                 fi
1175         ],
1176         [
1177                 # Check for existing socket only if we don't have a random device already
1178                 if test "$USE_RAND_HELPER" = yes ; then
1179                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1180                         # Insert other locations here
1181                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1182                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1183                                         PRNGD_SOCKET="$sock"
1184                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1185                                         break;
1186                                 fi
1187                         done
1188                         if test ! -z "$PRNGD_SOCKET" ; then
1189                                 AC_MSG_RESULT($PRNGD_SOCKET)
1190                         else
1191                                 AC_MSG_RESULT(not found)
1192                         fi
1193                 fi
1194         ]
1195 )
1196
1197 # Change default command timeout for hashing entropy source
1198 entropy_timeout=200
1199 AC_ARG_WITH(entropy-timeout,
1200         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1201         [
1202                 if test "x$withval" != "xno" ; then
1203                         entropy_timeout=$withval
1204                 fi
1205         ]
1206 )
1207 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1208
1209 SSH_PRIVSEP_USER=sshd
1210 AC_ARG_WITH(privsep-user,
1211         [  --with-privsep-user=user Specify non-privileged user for privilege separation],
1212         [
1213                 if test -n "$withval"; then
1214                         SSH_PRIVSEP_USER=$withval
1215                 fi
1216         ]
1217 )
1218 AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$SSH_PRIVSEP_USER")
1219 AC_SUBST(SSH_PRIVSEP_USER)
1220
1221 # We do this little dance with the search path to insure
1222 # that programs that we select for use by installed programs
1223 # (which may be run by the super-user) come from trusted
1224 # locations before they come from the user's private area.
1225 # This should help avoid accidentally configuring some
1226 # random version of a program in someone's personal bin.
1227
1228 OPATH=$PATH
1229 PATH=/bin:/usr/bin
1230 test -h /bin 2> /dev/null && PATH=/usr/bin
1231 test -d /sbin && PATH=$PATH:/sbin
1232 test -d /usr/sbin && PATH=$PATH:/usr/sbin
1233 PATH=$PATH:/etc:$OPATH
1234
1235 # These programs are used by the command hashing source to gather entropy
1236 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1237 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1238 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1239 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1240 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
1241 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1242 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
1243 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1244 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1245 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1246 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1247 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1248 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1249 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1250 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1251 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1252 # restore PATH
1253 PATH=$OPATH
1254
1255 # Where does ssh-rand-helper get its randomness from?
1256 INSTALL_SSH_PRNG_CMDS=""
1257 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
1258         if test ! -z "$PRNGD_PORT" ; then
1259                 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
1260         elif test ! -z "$PRNGD_SOCKET" ; then
1261                 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
1262         else
1263                 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
1264                 RAND_HELPER_CMDHASH=yes
1265                 INSTALL_SSH_PRNG_CMDS="yes"
1266         fi
1267 fi
1268 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1269
1270
1271 # Cheap hack to ensure NEWS-OS libraries are arranged right.
1272 if test ! -z "$SONY" ; then
1273   LIBS="$LIBS -liberty";
1274 fi
1275
1276 # Checks for data types
1277 AC_CHECK_SIZEOF(char, 1)
1278 AC_CHECK_SIZEOF(short int, 2)
1279 AC_CHECK_SIZEOF(int, 4)
1280 AC_CHECK_SIZEOF(long int, 4)
1281 AC_CHECK_SIZEOF(long long int, 8)
1282
1283 # Sanity check long long for some platforms (AIX)
1284 if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
1285         ac_cv_sizeof_long_long_int=0
1286 fi
1287
1288 # More checks for data types
1289 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
1290         AC_TRY_COMPILE(
1291                 [ #include <sys/types.h> ],
1292                 [ u_int a; a = 1;],
1293                 [ ac_cv_have_u_int="yes" ],
1294                 [ ac_cv_have_u_int="no" ]
1295         )
1296 ])
1297 if test "x$ac_cv_have_u_int" = "xyes" ; then
1298         AC_DEFINE(HAVE_U_INT)
1299         have_u_int=1
1300 fi
1301
1302 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
1303         AC_TRY_COMPILE(
1304                 [ #include <sys/types.h> ],
1305                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1306                 [ ac_cv_have_intxx_t="yes" ],
1307                 [ ac_cv_have_intxx_t="no" ]
1308         )
1309 ])
1310 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
1311         AC_DEFINE(HAVE_INTXX_T)
1312         have_intxx_t=1
1313 fi
1314
1315 if (test -z "$have_intxx_t" && \
1316            test "x$ac_cv_header_stdint_h" = "xyes")
1317 then
1318     AC_MSG_CHECKING([for intXX_t types in stdint.h])
1319         AC_TRY_COMPILE(
1320                 [ #include <stdint.h> ],
1321                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1322                 [
1323                         AC_DEFINE(HAVE_INTXX_T)
1324                         AC_MSG_RESULT(yes)
1325                 ],
1326                 [ AC_MSG_RESULT(no) ]
1327         )
1328 fi
1329
1330 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
1331         AC_TRY_COMPILE(
1332                 [
1333 #include <sys/types.h>
1334 #ifdef HAVE_STDINT_H
1335 # include <stdint.h>
1336 #endif
1337 #include <sys/socket.h>
1338 #ifdef HAVE_SYS_BITYPES_H
1339 # include <sys/bitypes.h>
1340 #endif
1341                 ],
1342                 [ int64_t a; a = 1;],
1343                 [ ac_cv_have_int64_t="yes" ],
1344                 [ ac_cv_have_int64_t="no" ]
1345         )
1346 ])
1347 if test "x$ac_cv_have_int64_t" = "xyes" ; then
1348         AC_DEFINE(HAVE_INT64_T)
1349 fi
1350
1351 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
1352         AC_TRY_COMPILE(
1353                 [ #include <sys/types.h> ],
1354                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1355                 [ ac_cv_have_u_intxx_t="yes" ],
1356                 [ ac_cv_have_u_intxx_t="no" ]
1357         )
1358 ])
1359 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
1360         AC_DEFINE(HAVE_U_INTXX_T)
1361         have_u_intxx_t=1
1362 fi
1363
1364 if test -z "$have_u_intxx_t" ; then
1365     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
1366         AC_TRY_COMPILE(
1367                 [ #include <sys/socket.h> ],
1368                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1369                 [
1370                         AC_DEFINE(HAVE_U_INTXX_T)
1371                         AC_MSG_RESULT(yes)
1372                 ],
1373                 [ AC_MSG_RESULT(no) ]
1374         )
1375 fi
1376
1377 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
1378         AC_TRY_COMPILE(
1379                 [ #include <sys/types.h> ],
1380                 [ u_int64_t a; a = 1;],
1381                 [ ac_cv_have_u_int64_t="yes" ],
1382                 [ ac_cv_have_u_int64_t="no" ]
1383         )
1384 ])
1385 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
1386         AC_DEFINE(HAVE_U_INT64_T)
1387         have_u_int64_t=1
1388 fi
1389
1390 if test -z "$have_u_int64_t" ; then
1391     AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
1392         AC_TRY_COMPILE(
1393                 [ #include <sys/bitypes.h> ],
1394                 [ u_int64_t a; a = 1],
1395                 [
1396                         AC_DEFINE(HAVE_U_INT64_T)
1397                         AC_MSG_RESULT(yes)
1398                 ],
1399                 [ AC_MSG_RESULT(no) ]
1400         )
1401 fi
1402
1403 if test -z "$have_u_intxx_t" ; then
1404         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
1405                 AC_TRY_COMPILE(
1406                         [
1407 #include <sys/types.h>
1408                         ],
1409                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
1410                         [ ac_cv_have_uintxx_t="yes" ],
1411                         [ ac_cv_have_uintxx_t="no" ]
1412                 )
1413         ])
1414         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
1415                 AC_DEFINE(HAVE_UINTXX_T)
1416         fi
1417 fi
1418
1419 if test -z "$have_uintxx_t" ; then
1420     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
1421         AC_TRY_COMPILE(
1422                 [ #include <stdint.h> ],
1423                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
1424                 [
1425                         AC_DEFINE(HAVE_UINTXX_T)
1426                         AC_MSG_RESULT(yes)
1427                 ],
1428                 [ AC_MSG_RESULT(no) ]
1429         )
1430 fi
1431
1432 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
1433            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
1434 then
1435         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
1436         AC_TRY_COMPILE(
1437                 [
1438 #include <sys/bitypes.h>
1439                 ],
1440                 [
1441                         int8_t a; int16_t b; int32_t c;
1442                         u_int8_t e; u_int16_t f; u_int32_t g;
1443                         a = b = c = e = f = g = 1;
1444                 ],
1445                 [
1446                         AC_DEFINE(HAVE_U_INTXX_T)
1447                         AC_DEFINE(HAVE_INTXX_T)
1448                         AC_MSG_RESULT(yes)
1449                 ],
1450                 [AC_MSG_RESULT(no)]
1451         )
1452 fi
1453
1454
1455 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
1456         AC_TRY_COMPILE(
1457                 [
1458 #include <sys/types.h>
1459                 ],
1460                 [ u_char foo; foo = 125; ],
1461                 [ ac_cv_have_u_char="yes" ],
1462                 [ ac_cv_have_u_char="no" ]
1463         )
1464 ])
1465 if test "x$ac_cv_have_u_char" = "xyes" ; then
1466         AC_DEFINE(HAVE_U_CHAR)
1467 fi
1468
1469 TYPE_SOCKLEN_T
1470
1471 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
1472
1473 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
1474         AC_TRY_COMPILE(
1475                 [
1476 #include <sys/types.h>
1477                 ],
1478                 [ size_t foo; foo = 1235; ],
1479                 [ ac_cv_have_size_t="yes" ],
1480                 [ ac_cv_have_size_t="no" ]
1481         )
1482 ])
1483 if test "x$ac_cv_have_size_t" = "xyes" ; then
1484         AC_DEFINE(HAVE_SIZE_T)
1485 fi
1486
1487 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
1488         AC_TRY_COMPILE(
1489                 [
1490 #include <sys/types.h>
1491                 ],
1492                 [ ssize_t foo; foo = 1235; ],
1493                 [ ac_cv_have_ssize_t="yes" ],
1494                 [ ac_cv_have_ssize_t="no" ]
1495         )
1496 ])
1497 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
1498         AC_DEFINE(HAVE_SSIZE_T)
1499 fi
1500
1501 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
1502         AC_TRY_COMPILE(
1503                 [
1504 #include <time.h>
1505                 ],
1506                 [ clock_t foo; foo = 1235; ],
1507                 [ ac_cv_have_clock_t="yes" ],
1508                 [ ac_cv_have_clock_t="no" ]
1509         )
1510 ])
1511 if test "x$ac_cv_have_clock_t" = "xyes" ; then
1512         AC_DEFINE(HAVE_CLOCK_T)
1513 fi
1514
1515 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
1516         AC_TRY_COMPILE(
1517                 [
1518 #include <sys/types.h>
1519 #include <sys/socket.h>
1520                 ],
1521                 [ sa_family_t foo; foo = 1235; ],
1522                 [ ac_cv_have_sa_family_t="yes" ],
1523                 [ AC_TRY_COMPILE(
1524                   [
1525 #include <sys/types.h>
1526 #include <sys/socket.h>
1527 #include <netinet/in.h>
1528                 ],
1529                 [ sa_family_t foo; foo = 1235; ],
1530                 [ ac_cv_have_sa_family_t="yes" ],
1531
1532                 [ ac_cv_have_sa_family_t="no" ]
1533         )]
1534         )
1535 ])
1536 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
1537         AC_DEFINE(HAVE_SA_FAMILY_T)
1538 fi
1539
1540 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
1541         AC_TRY_COMPILE(
1542                 [
1543 #include <sys/types.h>
1544                 ],
1545                 [ pid_t foo; foo = 1235; ],
1546                 [ ac_cv_have_pid_t="yes" ],
1547                 [ ac_cv_have_pid_t="no" ]
1548         )
1549 ])
1550 if test "x$ac_cv_have_pid_t" = "xyes" ; then
1551         AC_DEFINE(HAVE_PID_T)
1552 fi
1553
1554 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
1555         AC_TRY_COMPILE(
1556                 [
1557 #include <sys/types.h>
1558                 ],
1559                 [ mode_t foo; foo = 1235; ],
1560                 [ ac_cv_have_mode_t="yes" ],
1561                 [ ac_cv_have_mode_t="no" ]
1562         )
1563 ])
1564 if test "x$ac_cv_have_mode_t" = "xyes" ; then
1565         AC_DEFINE(HAVE_MODE_T)
1566 fi
1567
1568
1569 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
1570         AC_TRY_COMPILE(
1571                 [
1572 #include <sys/types.h>
1573 #include <sys/socket.h>
1574                 ],
1575                 [ struct sockaddr_storage s; ],
1576                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
1577                 [ ac_cv_have_struct_sockaddr_storage="no" ]
1578         )
1579 ])
1580 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
1581         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
1582 fi
1583
1584 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
1585         AC_TRY_COMPILE(
1586                 [
1587 #include <sys/types.h>
1588 #include <netinet/in.h>
1589                 ],
1590                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1591                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1592                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1593         )
1594 ])
1595 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1596         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1597 fi
1598
1599 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1600         AC_TRY_COMPILE(
1601                 [
1602 #include <sys/types.h>
1603 #include <netinet/in.h>
1604                 ],
1605                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1606                 [ ac_cv_have_struct_in6_addr="yes" ],
1607                 [ ac_cv_have_struct_in6_addr="no" ]
1608         )
1609 ])
1610 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1611         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1612 fi
1613
1614 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1615         AC_TRY_COMPILE(
1616                 [
1617 #include <sys/types.h>
1618 #include <sys/socket.h>
1619 #include <netdb.h>
1620                 ],
1621                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1622                 [ ac_cv_have_struct_addrinfo="yes" ],
1623                 [ ac_cv_have_struct_addrinfo="no" ]
1624         )
1625 ])
1626 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1627         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1628 fi
1629
1630 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1631         AC_TRY_COMPILE(
1632                 [ #include <sys/time.h> ],
1633                 [ struct timeval tv; tv.tv_sec = 1;],
1634                 [ ac_cv_have_struct_timeval="yes" ],
1635                 [ ac_cv_have_struct_timeval="no" ]
1636         )
1637 ])
1638 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1639         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1640         have_struct_timeval=1
1641 fi
1642
1643 AC_CHECK_TYPES(struct timespec)
1644
1645 # We need int64_t or else certian parts of the compile will fail.
1646 if test "x$ac_cv_have_int64_t" = "xno" -a \
1647         "x$ac_cv_sizeof_long_int" != "x8" -a \
1648         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1649         echo "OpenSSH requires int64_t support.  Contact your vendor or install"
1650         echo "an alternative compiler (I.E., GCC) before continuing."
1651         echo ""
1652         exit 1;
1653 else
1654 dnl test snprintf (broken on SCO w/gcc)
1655         AC_TRY_RUN(
1656                 [
1657 #include <stdio.h>
1658 #include <string.h>
1659 #ifdef HAVE_SNPRINTF
1660 main()
1661 {
1662         char buf[50];
1663         char expected_out[50];
1664         int mazsize = 50 ;
1665 #if (SIZEOF_LONG_INT == 8)
1666         long int num = 0x7fffffffffffffff;
1667 #else
1668         long long num = 0x7fffffffffffffffll;
1669 #endif
1670         strcpy(expected_out, "9223372036854775807");
1671         snprintf(buf, mazsize, "%lld", num);
1672         if(strcmp(buf, expected_out) != 0)
1673                 exit(1);
1674         exit(0);
1675 }
1676 #else
1677 main() { exit(0); }
1678 #endif
1679                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1680         )
1681 fi
1682
1683 dnl Checks for structure members
1684 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1685 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1686 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1687 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1688 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1689 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1690 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1691 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1692 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1693 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1694 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1695 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1696 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1697 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1698 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1699 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1700 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1701
1702 AC_CHECK_MEMBERS([struct stat.st_blksize])
1703
1704 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1705                 ac_cv_have_ss_family_in_struct_ss, [
1706         AC_TRY_COMPILE(
1707                 [
1708 #include <sys/types.h>
1709 #include <sys/socket.h>
1710                 ],
1711                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1712                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1713                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1714         )
1715 ])
1716 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1717         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1718 fi
1719
1720 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1721                 ac_cv_have___ss_family_in_struct_ss, [
1722         AC_TRY_COMPILE(
1723                 [
1724 #include <sys/types.h>
1725 #include <sys/socket.h>
1726                 ],
1727                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1728                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1729                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1730         )
1731 ])
1732 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1733         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1734 fi
1735
1736 AC_CACHE_CHECK([for pw_class field in struct passwd],
1737                 ac_cv_have_pw_class_in_struct_passwd, [
1738         AC_TRY_COMPILE(
1739                 [
1740 #include <pwd.h>
1741                 ],
1742                 [ struct passwd p; p.pw_class = 0; ],
1743                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1744                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1745         )
1746 ])
1747 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1748         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1749 fi
1750
1751 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1752                 ac_cv_have_pw_expire_in_struct_passwd, [
1753         AC_TRY_COMPILE(
1754                 [
1755 #include <pwd.h>
1756                 ],
1757                 [ struct passwd p; p.pw_expire = 0; ],
1758                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1759                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1760         )
1761 ])
1762 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1763         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1764 fi
1765
1766 AC_CACHE_CHECK([for pw_change field in struct passwd],
1767                 ac_cv_have_pw_change_in_struct_passwd, [
1768         AC_TRY_COMPILE(
1769                 [
1770 #include <pwd.h>
1771                 ],
1772                 [ struct passwd p; p.pw_change = 0; ],
1773                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1774                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1775         )
1776 ])
1777 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1778         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1779 fi
1780
1781 dnl make sure we're using the real structure members and not defines
1782 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
1783                 ac_cv_have_accrights_in_msghdr, [
1784         AC_TRY_RUN(
1785                 [
1786 #include <sys/types.h>
1787 #include <sys/socket.h>
1788 #include <sys/uio.h>
1789 int main() {
1790 #ifdef msg_accrights
1791 exit(1);
1792 #endif
1793 struct msghdr m;
1794 m.msg_accrights = 0;
1795 exit(0);
1796 }
1797                 ],
1798                 [ ac_cv_have_accrights_in_msghdr="yes" ],
1799                 [ ac_cv_have_accrights_in_msghdr="no" ]
1800         )
1801 ])
1802 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
1803         AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
1804 fi
1805
1806 AC_CACHE_CHECK([for msg_control field in struct msghdr],
1807                 ac_cv_have_control_in_msghdr, [
1808         AC_TRY_RUN(
1809                 [
1810 #include <sys/types.h>
1811 #include <sys/socket.h>
1812 #include <sys/uio.h>
1813 int main() {
1814 #ifdef msg_control
1815 exit(1);
1816 #endif
1817 struct msghdr m;
1818 m.msg_control = 0;
1819 exit(0);
1820 }
1821                 ],
1822                 [ ac_cv_have_control_in_msghdr="yes" ],
1823                 [ ac_cv_have_control_in_msghdr="no" ]
1824         )
1825 ])
1826 if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
1827         AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
1828 fi
1829
1830 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1831         AC_TRY_LINK([],
1832                 [ extern char *__progname; printf("%s", __progname); ],
1833                 [ ac_cv_libc_defines___progname="yes" ],
1834                 [ ac_cv_libc_defines___progname="no" ]
1835         )
1836 ])
1837 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1838         AC_DEFINE(HAVE___PROGNAME)
1839 fi
1840
1841 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
1842         AC_TRY_LINK([
1843 #include <stdio.h>
1844 ],
1845                 [ printf("%s", __FUNCTION__); ],
1846                 [ ac_cv_cc_implements___FUNCTION__="yes" ],
1847                 [ ac_cv_cc_implements___FUNCTION__="no" ]
1848         )
1849 ])
1850 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
1851         AC_DEFINE(HAVE___FUNCTION__)
1852 fi
1853
1854 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
1855         AC_TRY_LINK([
1856 #include <stdio.h>
1857 ],
1858                 [ printf("%s", __func__); ],
1859                 [ ac_cv_cc_implements___func__="yes" ],
1860                 [ ac_cv_cc_implements___func__="no" ]
1861         )
1862 ])
1863 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
1864         AC_DEFINE(HAVE___func__)
1865 fi
1866
1867 AC_CACHE_CHECK([whether getopt has optreset support],
1868                 ac_cv_have_getopt_optreset, [
1869         AC_TRY_LINK(
1870                 [
1871 #include <getopt.h>
1872                 ],
1873                 [ extern int optreset; optreset = 0; ],
1874                 [ ac_cv_have_getopt_optreset="yes" ],
1875                 [ ac_cv_have_getopt_optreset="no" ]
1876         )
1877 ])
1878 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
1879         AC_DEFINE(HAVE_GETOPT_OPTRESET)
1880 fi
1881
1882 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1883         AC_TRY_LINK([],
1884                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1885                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1886                 [ ac_cv_libc_defines_sys_errlist="no" ]
1887         )
1888 ])
1889 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1890         AC_DEFINE(HAVE_SYS_ERRLIST)
1891 fi
1892
1893
1894 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1895         AC_TRY_LINK([],
1896                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1897                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1898                 [ ac_cv_libc_defines_sys_nerr="no" ]
1899         )
1900 ])
1901 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1902         AC_DEFINE(HAVE_SYS_NERR)
1903 fi
1904
1905 SCARD_MSG="no"
1906
1907 # Check whether user wants sectok support
1908 AC_ARG_WITH(sectok,
1909         [  --with-sectok           Enable smartcard support using libsectok],
1910         [
1911                 if test "x$withval" != "xno" ; then
1912                         if test "x$withval" != "xyes" ; then
1913                                 CPPFLAGS="$CPPFLAGS -I${withval}"
1914                                 LDFLAGS="$LDFLAGS -L${withval}"
1915                                 if test ! -z "$need_dash_r" ; then
1916                                         LDFLAGS="$LDFLAGS -R${withval}"
1917                                 fi
1918                                 if test ! -z "$blibpath" ; then
1919                                         blibpath="$blibpath:${withval}"
1920                                 fi
1921                         fi
1922                         AC_CHECK_HEADERS(sectok.h)
1923                         if test "$ac_cv_header_sectok_h" != yes; then
1924                                 AC_MSG_ERROR(Can't find sectok.h)
1925                         fi
1926                         AC_CHECK_LIB(sectok, sectok_open)
1927                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
1928                                 AC_MSG_ERROR(Can't find libsectok)
1929                         fi
1930                         AC_DEFINE(SMARTCARD)
1931                         AC_DEFINE(USE_SECTOK)
1932                         SCARD_MSG="yes, using sectok"
1933                 fi
1934         ]
1935 )
1936
1937 # Check whether user wants OpenSC support
1938 AC_ARG_WITH(opensc,
1939         AC_HELP_STRING([--with-opensc=PFX],
1940                        [Enable smartcard support using OpenSC]),
1941         opensc_config_prefix="$withval", opensc_config_prefix="")
1942 if test x$opensc_config_prefix != x ; then
1943   OPENSC_CONFIG=$opensc_config_prefix/bin/opensc-config
1944   AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
1945   if test "$OPENSC_CONFIG" != "no"; then
1946     LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
1947     LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
1948     CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
1949     LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"
1950     AC_DEFINE(SMARTCARD)
1951     AC_DEFINE(USE_OPENSC)
1952     SCARD_MSG="yes, using OpenSC"
1953   fi
1954 fi
1955
1956 # Check whether user wants Kerberos 5 support
1957 KRB5_MSG="no"
1958 AC_ARG_WITH(kerberos5,
1959         [  --with-kerberos5=PATH   Enable Kerberos 5 support],
1960         [
1961                 if test "x$withval" != "xno" ; then
1962                         if test "x$withval" = "xyes" ; then
1963                                 KRB5ROOT="/usr/local"
1964                         else
1965                                 KRB5ROOT=${withval}
1966                         fi
1967                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
1968                         LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
1969                         AC_DEFINE(KRB5)
1970                         KRB5_MSG="yes"
1971                         AC_MSG_CHECKING(whether we are using Heimdal)
1972                         AC_TRY_COMPILE([ #include <krb5.h> ],
1973                                        [ char *tmp = heimdal_version; ],
1974                                        [ AC_MSG_RESULT(yes)
1975                                          AC_DEFINE(HEIMDAL)
1976                                          K5LIBS="-lkrb5 -ldes -lcom_err -lasn1 -lroken"
1977                                        ],
1978                                        [ AC_MSG_RESULT(no)
1979                                          K5LIBS="-lkrb5 -lk5crypto -lcom_err"
1980                                        ]
1981                         )
1982                         if test ! -z "$need_dash_r" ; then
1983                                 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
1984                         fi
1985                         if test ! -z "$blibpath" ; then
1986                                 blibpath="$blibpath:${KRB5ROOT}/lib"
1987                         fi
1988                         AC_CHECK_LIB(resolv, dn_expand, , )
1989
1990                         # If we're using some other GSSAPI
1991                         if test "$GSSAPI" -a "$GSSAPI" != "mechglue"; then
1992                                 AC_MSG_ERROR([$GSSAPI GSSAPI library conflicts with Kerberos support.  Use mechglue instead.])
1993                         fi
1994                         AC_CHECK_LIB(gssapi,gss_init_sec_context,
1995                                 [ AC_DEFINE(GSSAPI)
1996                                   K5LIBS="-lgssapi $K5LIBS" ],
1997                                 [ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
1998                                         [ AC_DEFINE(GSSAPI)
1999                                           K5LIBS="-lgssapi_krb5 $K5LIBS" ],
2000                                         AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
2001                                         $K5LIBS)
2002                                 ],
2003                                 $K5LIBS)
2004
2005                         AC_CHECK_HEADER(gssapi.h, ,
2006                                 [ unset ac_cv_header_gssapi_h
2007                                   CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
2008                                   AC_CHECK_HEADERS(gssapi.h, ,
2009                                         AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
2010                                   )
2011                                 ]
2012                         )
2013
2014                         AC_CHECK_LIB(gssapi, gss_krb5_copy_ccache, /bin/true,
2015                                 [ K5LIBS="-lgssapi_krb5 $K5LIBS"
2016                                   AC_CHECK_LIB(gssapi_krb5, gss_krb5_copy_ccache, /bin/true,
2017                                         AC_MSG_WARN([Cannot find gss_krb5_copy_ccache -- build may fail]),
2018                                         $K5LIBS)
2019                                 ],
2020                                 $K5LIBS)
2021
2022                         oldCPP="$CPPFLAGS"
2023                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
2024                         AC_CHECK_HEADER(gssapi_krb5.h, ,
2025                                         [ CPPFLAGS="$oldCPP" ])
2026
2027                         if test -z "$GSSAPI"; then
2028                                 GSSAPI="KRB5";
2029                         fi
2030
2031                         KRB5=yes
2032                 fi
2033         ]
2034 )
2035 # Check whether user wants Kerberos 4 support
2036 KRB4_MSG="no"
2037 AC_ARG_WITH(kerberos4,
2038         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
2039         [
2040                 if test "x$withval" != "xno" ; then
2041                         if test "x$withval" != "xyes" ; then
2042                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
2043                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
2044                                 if test ! -z "$need_dash_r" ; then
2045                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
2046                                 fi
2047                                 if test ! -z "$blibpath" ; then
2048                                         blibpath="$blibpath:${withval}/lib"
2049                                 fi
2050                         else
2051                                 if test -d /usr/include/kerberosIV ; then
2052                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
2053                                 fi
2054                         fi
2055
2056                         AC_CHECK_HEADERS(krb.h)
2057                         if test "$ac_cv_header_krb_h" != yes; then
2058                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
2059                         fi
2060                         AC_CHECK_LIB(krb, main)
2061                         if test "$ac_cv_lib_krb_main" != yes; then
2062                                 AC_CHECK_LIB(krb4, main)
2063                                 if test "$ac_cv_lib_krb4_main" != yes; then
2064                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
2065                                 else
2066                                         KLIBS="-lkrb4"
2067                                 fi
2068                         else
2069                                 KLIBS="-lkrb"
2070                         fi
2071                         AC_CHECK_LIB(des, des_cbc_encrypt)
2072                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
2073                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
2074                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
2075                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
2076                                 else
2077                                         KLIBS="-ldes425"
2078                                 fi
2079                         else
2080                                 KLIBS="-ldes"
2081                         fi
2082                         AC_CHECK_LIB(resolv, dn_expand, , )
2083                         KRB4=yes
2084                         KRB4_MSG="yes"
2085                         AC_DEFINE(KRB4)
2086                 fi
2087         ]
2088 )
2089
2090 # Check whether user wants AFS_KRB5 support
2091 AFS_KRB5_MSG="no"
2092 AC_ARG_WITH(afs-krb5,
2093         [  --with-afs-krb5[[=AKLOG_PATH]]  Enable aklog to get token (default=/usr/bin/aklog).],
2094         [
2095                 if test "x$withval" != "xno" ; then
2096
2097                         if test "x$withval" != "xyes" ; then
2098                                 AC_DEFINE_UNQUOTED(AKLOG_PATH, "$withval")
2099                         else
2100                                 AC_DEFINE_UNQUOTED(AKLOG_PATH, "/usr/bin/aklog")
2101                         fi
2102
2103                         if test -z "$KRB5" ; then
2104                                 AC_MSG_WARN([AFS_KRB5 requires Kerberos 5 support, build may fail])
2105                         fi
2106
2107                         LIBS="-lkrbafs $LIBS"
2108                         if test ! -z "$AFS_LIBS" ; then
2109                                 LIBS="$LIBS $AFS_LIBS"
2110                         fi
2111                         AC_DEFINE(AFS_KRB5)
2112                         AFS_KRB5_MSG="yes"
2113                 fi
2114         ]
2115 )
2116
2117 # Check whether user wants AFS support
2118 AFS_MSG="no"
2119 AC_ARG_WITH(afs,
2120         [  --with-afs=PATH         Enable AFS support],
2121         [
2122                 if test "x$withval" != "xno" ; then
2123
2124                         if test "x$withval" != "xyes" ; then
2125                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
2126                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
2127                         fi
2128
2129                         if test -z "$KRB4" ; then
2130                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
2131                         fi
2132
2133                         LIBS="-lkafs $LIBS"
2134                         if test ! -z "$AFS_LIBS" ; then
2135                                 LIBS="$LIBS $AFS_LIBS"
2136                         fi
2137                         AC_DEFINE(AFS)
2138                         AFS_MSG="yes"
2139                 fi
2140         ]
2141 )
2142 LIBS="$LIBS $KLIBS $K5LIBS"
2143
2144 AC_ARG_WITH(session-hooks,
2145         [  --with-session-hooks    Enable hooks for executing external commands                                       before/after a session],
2146         [ AC_DEFINE(SESSION_HOOKS) ]
2147 )
2148
2149 # Looking for programs, paths and files
2150
2151 PRIVSEP_PATH=/var/empty
2152 AC_ARG_WITH(privsep-path,
2153         [  --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)],
2154         [
2155                 if test "x$withval" != "$no" ; then
2156                         PRIVSEP_PATH=$withval
2157                 fi
2158         ]
2159 )
2160 AC_SUBST(PRIVSEP_PATH)
2161
2162 AC_ARG_WITH(xauth,
2163         [  --with-xauth=PATH       Specify path to xauth program ],
2164         [
2165                 if test "x$withval" != "xno" ; then
2166                         xauth_path=$withval
2167                 fi
2168         ],
2169         [
2170                 TestPath="$PATH"
2171                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X/bin"
2172                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/bin/X11"
2173                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X11R6/bin"
2174                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/openwin/bin"
2175                 AC_PATH_PROG(xauth_path, xauth, , $TestPath)
2176                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
2177                         xauth_path="/usr/openwin/bin/xauth"
2178                 fi
2179         ]
2180 )
2181
2182 STRIP_OPT=-s
2183 AC_ARG_ENABLE(strip,
2184         [  --disable-strip         Disable calling strip(1) on install],
2185         [
2186                 if test "x$enableval" = "xno" ; then
2187                         STRIP_OPT=
2188                 fi
2189         ]
2190 )
2191 AC_SUBST(STRIP_OPT)
2192
2193 if test -z "$xauth_path" ; then
2194         XAUTH_PATH="undefined"
2195         AC_SUBST(XAUTH_PATH)
2196 else
2197         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
2198         XAUTH_PATH=$xauth_path
2199         AC_SUBST(XAUTH_PATH)
2200 fi
2201
2202 # Check for mail directory (last resort if we cannot get it from headers)
2203 if test ! -z "$MAIL" ; then
2204         maildir=`dirname $MAIL`
2205         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
2206 fi
2207
2208 if test -z "$no_dev_ptmx" ; then
2209         if test "x$disable_ptmx_check" != "xyes" ; then
2210                 AC_CHECK_FILE("/dev/ptmx",
2211                         [
2212                                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
2213                                 have_dev_ptmx=1
2214                         ]
2215                 )
2216         fi
2217 fi
2218 AC_CHECK_FILE("/dev/ptc",
2219         [
2220                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
2221                 have_dev_ptc=1
2222         ]
2223 )
2224
2225 # Options from here on. Some of these are preset by platform above
2226 AC_ARG_WITH(mantype,
2227         [  --with-mantype=man|cat|doc  Set man page type],
2228         [
2229                 case "$withval" in
2230                 man|cat|doc)
2231                         MANTYPE=$withval
2232                         ;;
2233                 *)
2234                         AC_MSG_ERROR(invalid man type: $withval)
2235                         ;;
2236                 esac
2237         ]
2238 )
2239 if test -z "$MANTYPE"; then
2240         TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb"
2241         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, $TestPath)
2242         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
2243                 MANTYPE=doc
2244         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
2245                 MANTYPE=man
2246         else
2247                 MANTYPE=cat
2248         fi
2249 fi
2250 AC_SUBST(MANTYPE)
2251 if test "$MANTYPE" = "doc"; then
2252         mansubdir=man;
2253 else
2254         mansubdir=$MANTYPE;
2255 fi
2256 AC_SUBST(mansubdir)
2257
2258 # Check whether to enable MD5 passwords
2259 MD5_MSG="no"
2260 AC_ARG_WITH(md5-passwords,
2261         [  --with-md5-passwords    Enable use of MD5 passwords],
2262         [
2263                 if test "x$withval" != "xno" ; then
2264                         AC_DEFINE(HAVE_MD5_PASSWORDS)
2265                         MD5_MSG="yes"
2266                 fi
2267         ]
2268 )
2269
2270 # Whether to disable shadow password support
2271 AC_ARG_WITH(shadow,
2272         [  --without-shadow        Disable shadow password support],
2273         [
2274                 if test "x$withval" = "xno" ; then
2275                         AC_DEFINE(DISABLE_SHADOW)
2276                         disable_shadow=yes
2277                 fi
2278         ]
2279 )
2280
2281 if test -z "$disable_shadow" ; then
2282         AC_MSG_CHECKING([if the systems has expire shadow information])
2283         AC_TRY_COMPILE(
2284         [
2285 #include <sys/types.h>
2286 #include <shadow.h>
2287         struct spwd sp;
2288         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
2289         [ sp_expire_available=yes ], []
2290         )
2291
2292         if test "x$sp_expire_available" = "xyes" ; then
2293                 AC_MSG_RESULT(yes)
2294                 AC_DEFINE(HAS_SHADOW_EXPIRE)
2295         else
2296                 AC_MSG_RESULT(no)
2297         fi
2298 fi
2299
2300 # Use ip address instead of hostname in $DISPLAY
2301 if test ! -z "$IPADDR_IN_DISPLAY" ; then
2302         DISPLAY_HACK_MSG="yes"
2303         AC_DEFINE(IPADDR_IN_DISPLAY)
2304 else
2305         DISPLAY_HACK_MSG="no"
2306         AC_ARG_WITH(ipaddr-display,
2307                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
2308                 [
2309                         if test "x$withval" != "xno" ; then
2310                                 AC_DEFINE(IPADDR_IN_DISPLAY)
2311                                 DISPLAY_HACK_MSG="yes"
2312                         fi
2313                 ]
2314         )
2315 fi
2316
2317 dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
2318 if test $ac_cv_func_login_getcapbool = "yes" -a \
2319         $ac_cv_header_login_cap_h = "yes" ; then
2320         USES_LOGIN_CONF=yes
2321 fi
2322 # Whether to mess with the default path
2323 SERVER_PATH_MSG="(default)"
2324 AC_ARG_WITH(default-path,
2325         [  --with-default-path=    Specify default \$PATH environment for server],
2326         [
2327                 if test "$USES_LOGIN_CONF" = "yes" ; then
2328                         AC_MSG_WARN([
2329 --with-default-path=PATH has no effect on this system.
2330 Edit /etc/login.conf instead.])
2331                 elif test "x$withval" != "xno" ; then
2332                         user_path="$withval"
2333                         SERVER_PATH_MSG="$withval"
2334                 fi
2335         ],
2336         [ if test "$USES_LOGIN_CONF" = "yes" ; then
2337         AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
2338         else
2339         AC_TRY_RUN(
2340                 [
2341 /* find out what STDPATH is */
2342 #include <stdio.h>
2343 #ifdef HAVE_PATHS_H
2344 # include <paths.h>
2345 #endif
2346 #ifndef _PATH_STDPATH
2347 # ifdef _PATH_USERPATH  /* Irix */
2348 #  define _PATH_STDPATH _PATH_USERPATH
2349 # else
2350 #  define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
2351 # endif
2352 #endif
2353 #include <sys/types.h>
2354 #include <sys/stat.h>
2355 #include <fcntl.h>
2356 #define DATA "conftest.stdpath"
2357
2358 main()
2359 {
2360         FILE *fd;
2361         int rc;
2362
2363         fd = fopen(DATA,"w");
2364         if(fd == NULL)
2365                 exit(1);
2366
2367         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
2368                 exit(1);
2369
2370         exit(0);
2371 }
2372                 ], [ user_path=`cat conftest.stdpath` ],
2373                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
2374                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
2375         )
2376         fi ]
2377 )
2378 if test "$USES_LOGIN_CONF" != "yes" ; then
2379         AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
2380         AC_SUBST(user_path)
2381 fi
2382
2383 # Set superuser path separately to user path
2384 AC_ARG_WITH(superuser-path,
2385         [  --with-superuser-path=  Specify different path for super-user],
2386         [
2387                 if test "x$withval" != "xno" ; then
2388                         AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval")
2389                         superuser_path=$withval
2390                 fi
2391         ]
2392 )
2393
2394
2395 # Whether to force IPv4 by default (needed on broken glibc Linux)
2396 IPV4_HACK_MSG="no"
2397 AC_ARG_WITH(ipv4-default,
2398         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
2399         [
2400                 if test "x$withval" != "xno" ; then
2401                         AC_DEFINE(IPV4_DEFAULT)
2402                         IPV4_HACK_MSG="yes"
2403                 fi
2404         ]
2405 )
2406
2407 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
2408 IPV4_IN6_HACK_MSG="no"
2409 AC_ARG_WITH(4in6,
2410         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
2411         [
2412                 if test "x$withval" != "xno" ; then
2413                         AC_MSG_RESULT(yes)
2414                         AC_DEFINE(IPV4_IN_IPV6)
2415                         IPV4_IN6_HACK_MSG="yes"
2416                 else
2417                         AC_MSG_RESULT(no)
2418                 fi
2419         ],[
2420                 if test "x$inet6_default_4in6" = "xyes"; then
2421                         AC_MSG_RESULT([yes (default)])
2422                         AC_DEFINE(IPV4_IN_IPV6)
2423                         IPV4_IN6_HACK_MSG="yes"
2424                 else
2425                         AC_MSG_RESULT([no (default)])
2426                 fi
2427         ]
2428 )
2429
2430 # Whether to enable BSD auth support
2431 BSD_AUTH_MSG=no
2432 AC_ARG_WITH(bsd-auth,
2433         [  --with-bsd-auth         Enable BSD auth support],
2434         [
2435                 if test "x$withval" != "xno" ; then
2436                         AC_DEFINE(BSD_AUTH)
2437                         BSD_AUTH_MSG=yes
2438                 fi
2439         ]
2440 )
2441
2442 dnl allow user to disable some login recording features
2443 AC_ARG_ENABLE(lastlog,
2444         [  --disable-lastlog       disable use of lastlog even if detected [no]],
2445         [ AC_DEFINE(DISABLE_LASTLOG) ]
2446 )
2447 AC_ARG_ENABLE(utmp,
2448         [  --disable-utmp          disable use of utmp even if detected [no]],
2449         [ AC_DEFINE(DISABLE_UTMP) ]
2450 )
2451 AC_ARG_ENABLE(utmpx,
2452         [  --disable-utmpx         disable use of utmpx even if detected [no]],
2453         [ AC_DEFINE(DISABLE_UTMPX) ]
2454 )
2455 AC_ARG_ENABLE(wtmp,
2456         [  --disable-wtmp          disable use of wtmp even if detected [no]],
2457         [ AC_DEFINE(DISABLE_WTMP) ]
2458 )
2459 AC_ARG_ENABLE(wtmpx,
2460         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
2461         [ AC_DEFINE(DISABLE_WTMPX) ]
2462 )
2463 AC_ARG_ENABLE(libutil,
2464         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
2465         [ AC_DEFINE(DISABLE_LOGIN) ]
2466 )
2467 AC_ARG_ENABLE(pututline,
2468         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
2469         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
2470 )
2471 AC_ARG_ENABLE(pututxline,
2472         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
2473         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
2474 )
2475 AC_ARG_WITH(lastlog,
2476   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
2477         [
2478                 if test "x$withval" = "xno" ; then
2479                         AC_DEFINE(DISABLE_LASTLOG)
2480                 else
2481                         conf_lastlog_location=$withval
2482                 fi
2483         ]
2484 )
2485
2486 dnl lastlog, [uw]tmpx? detection
2487 dnl  NOTE: set the paths in the platform section to avoid the
2488 dnl   need for command-line parameters
2489 dnl lastlog and [uw]tmp are subject to a file search if all else fails
2490
2491 dnl lastlog detection
2492 dnl  NOTE: the code itself will detect if lastlog is a directory
2493 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
2494 AC_TRY_COMPILE([
2495 #include <sys/types.h>
2496 #include <utmp.h>
2497 #ifdef HAVE_LASTLOG_H
2498 #  include <lastlog.h>
2499 #endif
2500 #ifdef HAVE_PATHS_H
2501 #  include <paths.h>
2502 #endif
2503 #ifdef HAVE_LOGIN_H
2504 # include <login.h>
2505 #endif
2506         ],
2507         [ char *lastlog = LASTLOG_FILE; ],
2508         [ AC_MSG_RESULT(yes) ],
2509         [
2510                 AC_MSG_RESULT(no)
2511                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
2512                 AC_TRY_COMPILE([
2513 #include <sys/types.h>
2514 #include <utmp.h>
2515 #ifdef HAVE_LASTLOG_H
2516 #  include <lastlog.h>
2517 #endif
2518 #ifdef HAVE_PATHS_H
2519 #  include <paths.h>
2520 #endif
2521                 ],
2522                 [ char *lastlog = _PATH_LASTLOG; ],
2523                 [ AC_MSG_RESULT(yes) ],
2524                 [
2525                         AC_MSG_RESULT(no)
2526                         system_lastlog_path=no
2527                 ])
2528         ]
2529 )
2530
2531 if test -z "$conf_lastlog_location"; then
2532         if test x"$system_lastlog_path" = x"no" ; then
2533                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
2534                                 if (test -d "$f" || test -f "$f") ; then
2535                                         conf_lastlog_location=$f
2536                                 fi
2537                 done
2538                 if test -z "$conf_lastlog_location"; then
2539                         AC_MSG_WARN([** Cannot find lastlog **])
2540                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
2541                 fi
2542         fi
2543 fi
2544
2545 if test -n "$conf_lastlog_location"; then
2546         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
2547 fi
2548
2549 dnl utmp detection
2550 AC_MSG_CHECKING([if your system defines UTMP_FILE])
2551 AC_TRY_COMPILE([
2552 #include <sys/types.h>
2553 #include <utmp.h>
2554 #ifdef HAVE_PATHS_H
2555 #  include <paths.h>
2556 #endif
2557         ],
2558         [ char *utmp = UTMP_FILE; ],
2559         [ AC_MSG_RESULT(yes) ],
2560         [ AC_MSG_RESULT(no)
2561           system_utmp_path=no ]
2562 )
2563 if test -z "$conf_utmp_location"; then
2564         if test x"$system_utmp_path" = x"no" ; then
2565                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
2566                         if test -f $f ; then
2567                                 conf_utmp_location=$f
2568                         fi
2569                 done
2570                 if test -z "$conf_utmp_location"; then
2571                         AC_DEFINE(DISABLE_UTMP)
2572                 fi
2573         fi
2574 fi
2575 if test -n "$conf_utmp_location"; then
2576         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
2577 fi
2578
2579 dnl wtmp detection
2580 AC_MSG_CHECKING([if your system defines WTMP_FILE])
2581 AC_TRY_COMPILE([
2582 #include <sys/types.h>
2583 #include <utmp.h>
2584 #ifdef HAVE_PATHS_H
2585 #  include <paths.h>
2586 #endif
2587         ],
2588         [ char *wtmp = WTMP_FILE; ],
2589         [ AC_MSG_RESULT(yes) ],
2590         [ AC_MSG_RESULT(no)
2591           system_wtmp_path=no ]
2592 )
2593 if test -z "$conf_wtmp_location"; then
2594         if test x"$system_wtmp_path" = x"no" ; then
2595                 for f in /usr/adm/wtmp /var/log/wtmp; do
2596                         if test -f $f ; then
2597                                 conf_wtmp_location=$f
2598                         fi
2599                 done
2600                 if test -z "$conf_wtmp_location"; then
2601                         AC_DEFINE(DISABLE_WTMP)
2602                 fi
2603         fi
2604 fi
2605 if test -n "$conf_wtmp_location"; then
2606         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
2607 fi
2608
2609
2610 dnl utmpx detection - I don't know any system so perverse as to require
2611 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
2612 dnl  there, though.
2613 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
2614 AC_TRY_COMPILE([
2615 #include <sys/types.h>
2616 #include <utmp.h>
2617 #ifdef HAVE_UTMPX_H
2618 #include <utmpx.h>
2619 #endif
2620 #ifdef HAVE_PATHS_H
2621 #  include <paths.h>
2622 #endif
2623         ],
2624         [ char *utmpx = UTMPX_FILE; ],
2625         [ AC_MSG_RESULT(yes) ],
2626         [ AC_MSG_RESULT(no)
2627           system_utmpx_path=no ]
2628 )
2629 if test -z "$conf_utmpx_location"; then
2630         if test x"$system_utmpx_path" = x"no" ; then
2631                 AC_DEFINE(DISABLE_UTMPX)
2632         fi
2633 else
2634         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
2635 fi
2636
2637 dnl wtmpx detection
2638 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
2639 AC_TRY_COMPILE([
2640 #include <sys/types.h>
2641 #include <utmp.h>
2642 #ifdef HAVE_UTMPX_H
2643 #include <utmpx.h>
2644 #endif
2645 #ifdef HAVE_PATHS_H
2646 #  include <paths.h>
2647 #endif
2648         ],
2649         [ char *wtmpx = WTMPX_FILE; ],
2650         [ AC_MSG_RESULT(yes) ],
2651         [ AC_MSG_RESULT(no)
2652           system_wtmpx_path=no ]
2653 )
2654 if test -z "$conf_wtmpx_location"; then
2655         if test x"$system_wtmpx_path" = x"no" ; then
2656                 AC_DEFINE(DISABLE_WTMPX)
2657         fi
2658 else
2659         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
2660 fi
2661
2662
2663 if test ! -z "$blibpath" ; then
2664         LDFLAGS="$LDFLAGS $blibflags$blibpath"
2665         AC_MSG_WARN([Please check and edit blibpath in LDFLAGS in Makefile])
2666 fi
2667
2668 dnl remove pam and dl because they are in $LIBPAM
2669 if test "$PAM_MSG" = yes ; then
2670         LIBS=`echo $LIBS | sed 's/-lpam //'`
2671 fi
2672 if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
2673         LIBS=`echo $LIBS | sed 's/-ldl //'`
2674 fi
2675
2676 AC_EXEEXT
2677 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
2678 AC_OUTPUT
2679
2680 # Print summary of options
2681
2682 # Someone please show me a better way :)
2683 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
2684 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
2685 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
2686 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
2687 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
2688 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
2689 H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
2690 I=`eval echo ${user_path}` ; I=`eval echo ${I}`
2691 J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
2692
2693 echo ""
2694 echo "OpenSSH has been configured with the following options:"
2695 echo "                     User binaries: $B"
2696 echo "                   System binaries: $C"
2697 echo "               Configuration files: $D"
2698 echo "                   Askpass program: $E"
2699 echo "                      Manual pages: $F"
2700 echo "  Privilege separation chroot path: $H"
2701 if test "$USES_LOGIN_CONF" = "yes" ; then
2702 echo "   At runtime, sshd will use the path defined in /etc/login.conf"
2703 else
2704 echo "            sshd default user PATH: $I"
2705 fi
2706 if test ! -z "$superuser_path" ; then
2707 echo "          sshd superuser user PATH: $J"
2708 fi
2709 echo "                    Manpage format: $MANTYPE"
2710 echo "                       PAM support: ${PAM_MSG}"
2711 echo "                KerberosIV support: $KRB4_MSG"
2712 echo "                 KerberosV support: $KRB5_MSG"
2713 echo "                 Smartcard support: $SCARD_MSG"
2714 echo "                       AFS support: $AFS_MSG"
2715 echo "                     S/KEY support: $SKEY_MSG"
2716 echo "              TCP Wrappers support: $TCPW_MSG"
2717 echo "              MD5 password support: $MD5_MSG"
2718 echo "       IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
2719 echo "          Use IPv4 by default hack: $IPV4_HACK_MSG"
2720 echo "           Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
2721 echo "                  BSD Auth support: $BSD_AUTH_MSG"
2722 echo "              Random number source: $RAND_MSG"
2723 if test ! -z "$USE_RAND_HELPER" ; then
2724 echo "     ssh-rand-helper collects from: $RAND_HELPER_MSG"
2725 fi
2726
2727 echo ""
2728
2729 echo "              Host: ${host}"
2730 echo "          Compiler: ${CC}"
2731 echo "    Compiler flags: ${CFLAGS}"
2732 echo "Preprocessor flags: ${CPPFLAGS}"
2733 echo "      Linker flags: ${LDFLAGS}"
2734 echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
2735
2736 echo ""
2737
2738 if test "x$PAM_MSG" = "xyes" ; then
2739         echo "PAM is enabled. You may need to install a PAM control file "
2740         echo "for sshd, otherwise password authentication may fail. "
2741         echo "Example PAM control files can be found in the contrib/ "
2742         echo "subdirectory"
2743         echo ""
2744 fi
2745
2746 if test ! -z "$RAND_HELPER_CMDHASH" ; then
2747         echo "WARNING: you are using the builtin random number collection "
2748         echo "service. Please read WARNING.RNG and request that your OS "
2749         echo "vendor includes kernel-based random number collection in "
2750         echo "future versions of your OS."
2751         echo ""
2752 fi
2753