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         AC_MSG_RESULT(yes)
 622
 623         #
 624         # Build Globus linkline
 625         #
 626
 627         ${gpt_linkline_helper} -f ${globus_flavor_type} -link shared -src pkg_data_src.gpt
 628         . ./gpt_build_temp.sh
 629         GSI_LDFLAGS="-L${gsi_path}/lib"
 630         GSI_LIBS="$GPT_CONFIG_PGM_LINKS"
 631         LD_LIBRARY_PATH="${gsi_path}/lib:$LD_LIBRARY_PATH"; export LD_LIBRARY_PATH
 632
 633         #
 634         # Test Globus linkline
 635         #
 636
 637         AC_MSG_CHECKING(for Globus linkline)
 638         if test -z "$GSI_LIBS" ; then
 639                 AC_MSG_ERROR(gpt_build_config failed)
 640         fi
 641         AC_MSG_RESULT(yes)
 642
 643         LIBS="$LIBS $GSI_LIBS"
 644         LDFLAGS="$LDFLAGS $GSI_LDFLAGS"
 645         CPPFLAGS="$CPPFLAGS $GSI_CPPFLAGS"
 646
 647         AC_MSG_CHECKING(that Globus linkline works)
 648         # test that we got the libraries OK
 649         AC_TRY_LINK(
 650                 [],
 651                 [],
 652                 [
 653                         AC_MSG_RESULT(yes)
 654                 ],
 655                 [
 656                         AC_MSG_ERROR(link with Globus libraries failed)
 657                 ]
 658         )
 659         INSTALL_GSISSH="yes"
 660 else
 661         INSTALL_GSISSH=""
 662 fi
 663 # End Globus/GSI section
 664
 665 # Check whether user wants S/Key support
 666 SKEY_MSG="no"
 667 AC_ARG_WITH(skey,
 668         [  --with-skey[[=PATH]]      Enable S/Key support
 669                             (optionally in PATH)],
 670         [
 671                 if test "x$withval" != "xno" ; then
 672
 673                         if test "x$withval" != "xyes" ; then
 674                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 675                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 676                         fi
 677
 678                         AC_DEFINE(SKEY)
 679                         LIBS="-lskey $LIBS"
 680                         SKEY_MSG="yes"
 681
 682                         AC_MSG_CHECKING([for s/key support])
 683                         AC_TRY_RUN(
 684                                 [
 685 #include <stdio.h>
 686 #include <skey.h>
 687 int main() { char *ff = skey_keyinfo(""); ff=""; exit(0); }
 688                                 ],
 689                                 [AC_MSG_RESULT(yes)],
 690                                 [
 691                                         AC_MSG_RESULT(no)
 692                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 693                                 ])
 694                 fi
 695         ]
 696 )
 697
 698 # Check whether user wants TCP wrappers support
 699 TCPW_MSG="no"
 700 AC_ARG_WITH(tcp-wrappers,
 701         [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
 702                             (optionally in PATH)],
 703         [
 704                 if test "x$withval" != "xno" ; then
 705                         saved_LIBS="$LIBS"
 706                         saved_LDFLAGS="$LDFLAGS"
 707                         saved_CPPFLAGS="$CPPFLAGS"
 708                         if test -n "${withval}" -a "${withval}" != "yes"; then
 709                                 if test -d "${withval}/lib"; then
 710                                         if test -n "${need_dash_r}"; then
 711                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 712                                         else
 713                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 714                                         fi
 715                                 else
 716                                         if test -n "${need_dash_r}"; then
 717                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 718                                         else
 719                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 720                                         fi
 721                                 fi
 722                                 if test -d "${withval}/include"; then
 723                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 724                                 else
 725                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 726                                 fi
 727                         fi
 728                         LIBWRAP="-lwrap"
 729                         LIBS="$LIBWRAP $LIBS"
 730                         AC_MSG_CHECKING(for libwrap)
 731                         AC_TRY_LINK(
 732                                 [
 733 #include <tcpd.h>
 734                                         int deny_severity = 0, allow_severity = 0;
 735                                 ],
 736                                 [hosts_access(0);],
 737                                 [
 738                                         AC_MSG_RESULT(yes)
 739                                         AC_DEFINE(LIBWRAP)
 740                                         AC_SUBST(LIBWRAP)
 741                                         TCPW_MSG="yes"
 742                                 ],
 743                                 [
 744                                         AC_MSG_ERROR([*** libwrap missing])
 745                                 ]
 746                         )
 747                         LIBS="$saved_LIBS"
 748                 fi
 749         ]
 750 )
 751
 752 dnl    Checks for library functions. Please keep in alphabetical order
 753 AC_CHECK_FUNCS(\
 754         arc4random __b64_ntop b64_ntop __b64_pton b64_pton basename bcopy \
 755         bindresvport_sa clock fchmod fchown freeaddrinfo futimes \
 756         gai_strerror getaddrinfo getcwd getgrouplist getnameinfo getopt \
 757         getpeereid _getpty getrlimit getrusage getttyent glob inet_aton \
 758         inet_ntoa inet_ntop innetgr login_getcapbool md5_crypt memmove \
 759         mkdtemp mmap ngetaddrinfo nsleep ogetaddrinfo openpty pstat \
 760         readpassphrase realpath recvmsg rresvport_af sendmsg setdtablesize \
 761         setegid setenv seteuid setgroups setlogin setpcred setproctitle \
 762         setresgid setreuid setrlimit setsid setvbuf sigaction sigvec \
 763         snprintf socketpair strerror strlcat strlcpy strmode strnvis \
 764         sysconf tcgetpgrp truncate utimes vhangup vsnprintf waitpid \
 765 )
 766
 767 AC_SEARCH_LIBS(nanosleep, rt posix4, AC_DEFINE(HAVE_NANOSLEEP))
 768 AC_SEARCH_LIBS(basename, gen, AC_DEFINE(HAVE_BASENAME))
 769
 770 dnl IRIX has basename() in libgen
 771 AC_SEARCH_LIBS(basename, gen, AC_DEFINE(HAVE_BASENAME))
 772
 773 dnl Make sure strsep prototype is defined before defining HAVE_STRSEP
 774 AC_CHECK_DECL(strsep, [AC_CHECK_FUNCS(strsep)])
 775
 776 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 777 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 778         AC_CHECK_LIB(gen, dirname,[
 779                 AC_CACHE_CHECK([for broken dirname],
 780                         ac_cv_have_broken_dirname, [
 781                         save_LIBS="$LIBS"
 782                         LIBS="$LIBS -lgen"
 783                         AC_TRY_RUN(
 784                                 [
 785 #include <libgen.h>
 786 #include <string.h>
 787
 788 int main(int argc, char **argv) {
 789     char *s, buf[32];
 790
 791     strncpy(buf,"/etc", 32);
 792     s = dirname(buf);
 793     if (!s || strncmp(s, "/", 32) != 0) {
 794         exit(1);
 795     } else {
 796         exit(0);
 797     }
 798 }
 799                                 ],
 800                                 [ ac_cv_have_broken_dirname="no" ],
 801                                 [ ac_cv_have_broken_dirname="yes" ]
 802                         )
 803                         LIBS="$save_LIBS"
 804                 ])
 805                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 806                         LIBS="$LIBS -lgen"
 807                         AC_DEFINE(HAVE_DIRNAME)
 808                         AC_CHECK_HEADERS(libgen.h)
 809                 fi
 810         ])
 811 ])
 812
 813 dnl    Checks for time functions
 814 AC_CHECK_FUNCS(gettimeofday time)
 815 dnl    Checks for utmp functions
 816 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 817 AC_CHECK_FUNCS(utmpname)
 818 dnl    Checks for utmpx functions
 819 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 820 AC_CHECK_FUNCS(setutxent utmpxname)
 821
 822 AC_CHECK_FUNC(daemon,
 823         [AC_DEFINE(HAVE_DAEMON)],
 824         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 825 )
 826
 827 AC_CHECK_FUNC(getpagesize,
 828         [AC_DEFINE(HAVE_GETPAGESIZE)],
 829         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 830 )
 831
 832 # Check for broken snprintf
 833 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 834         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 835         AC_TRY_RUN(
 836                 [
 837 #include <stdio.h>
 838 int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');}
 839                 ],
 840                 [AC_MSG_RESULT(yes)],
 841                 [
 842                         AC_MSG_RESULT(no)
 843                         AC_DEFINE(BROKEN_SNPRINTF)
 844                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 845                 ]
 846         )
 847 fi
 848
 849 dnl see whether mkstemp() requires XXXXXX
 850 if test "x$ac_cv_func_mkdtemp" = "xyes" ; then
 851 AC_MSG_CHECKING([for (overly) strict mkstemp])
 852 AC_TRY_RUN(
 853         [
 854 #include <stdlib.h>
 855 main() { char template[]="conftest.mkstemp-test";
 856 if (mkstemp(template) == -1)
 857         exit(1);
 858 unlink(template); exit(0);
 859 }
 860         ],
 861         [
 862                 AC_MSG_RESULT(no)
 863         ],
 864         [
 865                 AC_MSG_RESULT(yes)
 866                 AC_DEFINE(HAVE_STRICT_MKSTEMP)
 867         ],
 868         [
 869                 AC_MSG_RESULT(yes)
 870                 AC_DEFINE(HAVE_STRICT_MKSTEMP)
 871         ]
 872 )
 873 fi
 874
 875 AC_FUNC_GETPGRP
 876
 877 # Check for PAM libs
 878 PAM_MSG="no"
 879 AC_ARG_WITH(pam,
 880         [  --with-pam              Enable PAM support ],
 881         [
 882                 if test "x$withval" != "xno" ; then
 883                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 884                                 AC_MSG_ERROR([PAM headers not found])
 885                         fi
 886
 887                         AC_CHECK_LIB(dl, dlopen, , )
 888                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 889                         AC_CHECK_FUNCS(pam_getenvlist)
 890                         AC_CHECK_FUNCS(pam_putenv)
 891
 892                         disable_shadow=yes
 893                         PAM_MSG="yes"
 894
 895                         AC_DEFINE(USE_PAM)
 896                         if test $ac_cv_lib_dl_dlopen = yes; then
 897                                 LIBPAM="-lpam -ldl"
 898                         else
 899                                 LIBPAM="-lpam"
 900                         fi
 901
 902                         AC_SUBST(LIBPAM)
 903                 fi
 904         ]
 905 )
 906
 907 # Check for older PAM
 908 if test "x$PAM_MSG" = "xyes" ; then
 909         # Check PAM strerror arguments (old PAM)
 910         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 911         AC_TRY_COMPILE(
 912                 [
 913 #include <stdlib.h>
 914 #include <security/pam_appl.h>
 915                 ],
 916                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 917                 [AC_MSG_RESULT(no)],
 918                 [
 919                         AC_DEFINE(HAVE_OLD_PAM)
 920                         AC_MSG_RESULT(yes)
 921                         PAM_MSG="yes (old library)"
 922                 ]
 923         )
 924 fi
 925
 926 # Some systems want crypt() from libcrypt, *not* the version in OpenSSL,
 927 # because the system crypt() is more featureful.
 928 if test "x$check_for_libcrypt_before" = "x1"; then
 929         AC_CHECK_LIB(crypt, crypt)
 930 fi
 931
 932 # Search for OpenSSL
 933 saved_CPPFLAGS="$CPPFLAGS"
 934 saved_LDFLAGS="$LDFLAGS"
 935 AC_ARG_WITH(ssl-dir,
 936         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 937         [
 938                 if test "x$withval" != "xno" ; then
 939                         if test -d "$withval/lib"; then
 940                                 if test -n "${need_dash_r}"; then
 941                                         LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 942                                 else
 943                                         LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 944                                 fi
 945                         else
 946                                 if test -n "${need_dash_r}"; then
 947                                         LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 948                                 else
 949                                         LDFLAGS="-L${withval} ${LDFLAGS}"
 950                                 fi
 951                         fi
 952                         if test -d "$withval/include"; then
 953                                 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 954                         else
 955                                 CPPFLAGS="-I${withval} ${CPPFLAGS}"
 956                         fi
 957                 fi
 958         ]
 959 )
 960
 961 if test -z "$GSI_LIBS" ; then
 962         LIBS="$LIBS -lcrypto"
 963 fi
 964
 965 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 966         [
 967                 dnl Check default openssl install dir
 968                 if test -n "${need_dash_r}"; then
 969                         LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
 970                 else
 971                         LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
 972                 fi
 973                 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
 974                 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 975                         [
 976                                 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
 977                         ]
 978                 )
 979         ]
 980 )
 981
 982 # Determine OpenSSL header version
 983 AC_MSG_CHECKING([OpenSSL header version])
 984 AC_TRY_RUN(
 985         [
 986 #include <stdio.h>
 987 #include <string.h>
 988 #include <openssl/opensslv.h>
 989 #define DATA "conftest.sslincver"
 990 int main(void) {
 991         FILE *fd;
 992         int rc;
 993
 994         fd = fopen(DATA,"w");
 995         if(fd == NULL)
 996                 exit(1);
 997
 998         if ((rc = fprintf(fd ,"%x (%s)\n", OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT)) <0)
 999                 exit(1);
1000
1001         exit(0);
1002 }
1003         ],
1004         [
1005                 ssl_header_ver=`cat conftest.sslincver`
1006                 AC_MSG_RESULT($ssl_header_ver)
1007         ],
1008         [
1009                 AC_MSG_RESULT(not found)
1010                 AC_MSG_ERROR(OpenSSL version header not found.)
1011         ]
1012 )
1013
1014 # Determine OpenSSL library version
1015 AC_MSG_CHECKING([OpenSSL library version])
1016 AC_TRY_RUN(
1017         [
1018 #include <stdio.h>
1019 #include <string.h>
1020 #include <openssl/opensslv.h>
1021 #include <openssl/crypto.h>
1022 #define DATA "conftest.ssllibver"
1023 int main(void) {
1024         FILE *fd;
1025         int rc;
1026
1027         fd = fopen(DATA,"w");
1028         if(fd == NULL)
1029                 exit(1);
1030
1031         if ((rc = fprintf(fd ,"%x (%s)\n", SSLeay(), SSLeay_version(SSLEAY_VERSION))) <0)
1032                 exit(1);
1033
1034         exit(0);
1035 }
1036         ],
1037         [
1038                 ssl_library_ver=`cat conftest.ssllibver`
1039                 AC_MSG_RESULT($ssl_library_ver)
1040         ],
1041         [
1042                 AC_MSG_RESULT(not found)
1043                 AC_MSG_ERROR(OpenSSL library not found.)
1044         ]
1045 )
1046
1047 # Sanity check OpenSSL headers
1048 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
1049 AC_TRY_RUN(
1050         [
1051 #include <string.h>
1052 #include <openssl/opensslv.h>
1053 int main(void) { exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
1054         ],
1055         [
1056                 AC_MSG_RESULT(yes)
1057         ],
1058         [
1059                 AC_MSG_RESULT(no)
1060                 AC_MSG_ERROR(Your OpenSSL headers do not match your library)
1061         ]
1062 )
1063
1064 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
1065 # version in OpenSSL. Skip this for PAM
1066 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
1067         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
1068 fi
1069
1070
1071 ### Configure cryptographic random number support
1072
1073 # Check wheter OpenSSL seeds itself
1074 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
1075 AC_TRY_RUN(
1076         [
1077 #include <string.h>
1078 #include <openssl/rand.h>
1079 int main(void) { exit(RAND_status() == 1 ? 0 : 1); }
1080         ],
1081         [
1082                 OPENSSL_SEEDS_ITSELF=yes
1083                 AC_MSG_RESULT(yes)
1084         ],
1085         [
1086                 AC_MSG_RESULT(no)
1087                 # Default to use of the rand helper if OpenSSL doesn't
1088                 # seed itself
1089                 USE_RAND_HELPER=yes
1090         ]
1091 )
1092
1093
1094 # Do we want to force the use of the rand helper?
1095 AC_ARG_WITH(rand-helper,
1096         [  --with-rand-helper      Use subprocess to gather strong randomness ],
1097         [
1098                 if test "x$withval" = "xno" ; then
1099                         # Force use of OpenSSL's internal RNG, even if
1100                         # the previous test showed it to be unseeded.
1101                         if test -z "$OPENSSL_SEEDS_ITSELF" ; then
1102                                 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
1103                                 OPENSSL_SEEDS_ITSELF=yes
1104                                 USE_RAND_HELPER=""
1105                         fi
1106                 else
1107                         USE_RAND_HELPER=yes
1108                 fi
1109         ],
1110 )
1111
1112 # Which randomness source do we use?
1113 if test ! -z "$OPENSSL_SEEDS_ITSELF" -a -z "$USE_RAND_HELPER" ; then
1114         # OpenSSL only
1115         AC_DEFINE(OPENSSL_PRNG_ONLY)
1116         RAND_MSG="OpenSSL internal ONLY"
1117         INSTALL_SSH_RAND_HELPER=""
1118 elif test ! -z "$USE_RAND_HELPER" ; then
1119         # install rand helper
1120         RAND_MSG="ssh-rand-helper"
1121         INSTALL_SSH_RAND_HELPER="yes"
1122 fi
1123 AC_SUBST(INSTALL_SSH_RAND_HELPER)
1124
1125 ### Configuration of ssh-rand-helper
1126
1127 # PRNGD TCP socket
1128 AC_ARG_WITH(prngd-port,
1129         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD TCP localhost:PORT],
1130         [
1131                 case "$withval" in
1132                 no)
1133                         withval=""
1134                         ;;
1135                 [[0-9]]*)
1136                         ;;
1137                 *)
1138                         AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
1139                         ;;
1140                 esac
1141                 if test ! -z "$withval" ; then
1142                         PRNGD_PORT="$withval"
1143                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
1144                 fi
1145         ]
1146 )
1147
1148 # PRNGD Unix domain socket
1149 AC_ARG_WITH(prngd-socket,
1150         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1151         [
1152                 case "$withval" in
1153                 yes)
1154                         withval="/var/run/egd-pool"
1155                         ;;
1156                 no)
1157                         withval=""
1158                         ;;
1159                 /*)
1160                         ;;
1161                 *)
1162                         AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
1163                         ;;
1164                 esac
1165
1166                 if test ! -z "$withval" ; then
1167                         if test ! -z "$PRNGD_PORT" ; then
1168                                 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
1169                         fi
1170                         if test ! -r "$withval" ; then
1171                                 AC_MSG_WARN(Entropy socket is not readable)
1172                         fi
1173                         PRNGD_SOCKET="$withval"
1174                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1175                 fi
1176         ],
1177         [
1178                 # Check for existing socket only if we don't have a random device already
1179                 if test "$USE_RAND_HELPER" = yes ; then
1180                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1181                         # Insert other locations here
1182                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1183                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1184                                         PRNGD_SOCKET="$sock"
1185                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1186                                         break;
1187                                 fi
1188                         done
1189                         if test ! -z "$PRNGD_SOCKET" ; then
1190                                 AC_MSG_RESULT($PRNGD_SOCKET)
1191                         else
1192                                 AC_MSG_RESULT(not found)
1193                         fi
1194                 fi
1195         ]
1196 )
1197
1198 # Change default command timeout for hashing entropy source
1199 entropy_timeout=200
1200 AC_ARG_WITH(entropy-timeout,
1201         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1202         [
1203                 if test "x$withval" != "xno" ; then
1204                         entropy_timeout=$withval
1205                 fi
1206         ]
1207 )
1208 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1209
1210 SSH_PRIVSEP_USER=sshd
1211 AC_ARG_WITH(privsep-user,
1212         [  --with-privsep-user=user Specify non-privileged user for privilege separation],
1213         [
1214                 if test -n "$withval"; then
1215                         SSH_PRIVSEP_USER=$withval
1216                 fi
1217         ]
1218 )
1219 AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$SSH_PRIVSEP_USER")
1220 AC_SUBST(SSH_PRIVSEP_USER)
1221
1222 # We do this little dance with the search path to insure
1223 # that programs that we select for use by installed programs
1224 # (which may be run by the super-user) come from trusted
1225 # locations before they come from the user's private area.
1226 # This should help avoid accidentally configuring some
1227 # random version of a program in someone's personal bin.
1228
1229 OPATH=$PATH
1230 PATH=/bin:/usr/bin
1231 test -h /bin 2> /dev/null && PATH=/usr/bin
1232 test -d /sbin && PATH=$PATH:/sbin
1233 test -d /usr/sbin && PATH=$PATH:/usr/sbin
1234 PATH=$PATH:/etc:$OPATH
1235
1236 # These programs are used by the command hashing source to gather entropy
1237 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1238 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1239 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1240 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1241 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
1242 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1243 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
1244 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1245 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1246 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1247 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1248 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1249 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1250 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1251 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1252 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1253 # restore PATH
1254 PATH=$OPATH
1255
1256 # Where does ssh-rand-helper get its randomness from?
1257 INSTALL_SSH_PRNG_CMDS=""
1258 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
1259         if test ! -z "$PRNGD_PORT" ; then
1260                 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
1261         elif test ! -z "$PRNGD_SOCKET" ; then
1262                 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
1263         else
1264                 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
1265                 RAND_HELPER_CMDHASH=yes
1266                 INSTALL_SSH_PRNG_CMDS="yes"
1267         fi
1268 fi
1269 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1270
1271
1272 # Cheap hack to ensure NEWS-OS libraries are arranged right.
1273 if test ! -z "$SONY" ; then
1274   LIBS="$LIBS -liberty";
1275 fi
1276
1277 # Checks for data types
1278 AC_CHECK_SIZEOF(char, 1)
1279 AC_CHECK_SIZEOF(short int, 2)
1280 AC_CHECK_SIZEOF(int, 4)
1281 AC_CHECK_SIZEOF(long int, 4)
1282 AC_CHECK_SIZEOF(long long int, 8)
1283
1284 # Sanity check long long for some platforms (AIX)
1285 if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
1286         ac_cv_sizeof_long_long_int=0
1287 fi
1288
1289 # More checks for data types
1290 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
1291         AC_TRY_COMPILE(
1292                 [ #include <sys/types.h> ],
1293                 [ u_int a; a = 1;],
1294                 [ ac_cv_have_u_int="yes" ],
1295                 [ ac_cv_have_u_int="no" ]
1296         )
1297 ])
1298 if test "x$ac_cv_have_u_int" = "xyes" ; then
1299         AC_DEFINE(HAVE_U_INT)
1300         have_u_int=1
1301 fi
1302
1303 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
1304         AC_TRY_COMPILE(
1305                 [ #include <sys/types.h> ],
1306                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1307                 [ ac_cv_have_intxx_t="yes" ],
1308                 [ ac_cv_have_intxx_t="no" ]
1309         )
1310 ])
1311 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
1312         AC_DEFINE(HAVE_INTXX_T)
1313         have_intxx_t=1
1314 fi
1315
1316 if (test -z "$have_intxx_t" && \
1317            test "x$ac_cv_header_stdint_h" = "xyes")
1318 then
1319     AC_MSG_CHECKING([for intXX_t types in stdint.h])
1320         AC_TRY_COMPILE(
1321                 [ #include <stdint.h> ],
1322                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1323                 [
1324                         AC_DEFINE(HAVE_INTXX_T)
1325                         AC_MSG_RESULT(yes)
1326                 ],
1327                 [ AC_MSG_RESULT(no) ]
1328         )
1329 fi
1330
1331 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
1332         AC_TRY_COMPILE(
1333                 [
1334 #include <sys/types.h>
1335 #ifdef HAVE_STDINT_H
1336 # include <stdint.h>
1337 #endif
1338 #include <sys/socket.h>
1339 #ifdef HAVE_SYS_BITYPES_H
1340 # include <sys/bitypes.h>
1341 #endif
1342                 ],
1343                 [ int64_t a; a = 1;],
1344                 [ ac_cv_have_int64_t="yes" ],
1345                 [ ac_cv_have_int64_t="no" ]
1346         )
1347 ])
1348 if test "x$ac_cv_have_int64_t" = "xyes" ; then
1349         AC_DEFINE(HAVE_INT64_T)
1350 fi
1351
1352 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
1353         AC_TRY_COMPILE(
1354                 [ #include <sys/types.h> ],
1355                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1356                 [ ac_cv_have_u_intxx_t="yes" ],
1357                 [ ac_cv_have_u_intxx_t="no" ]
1358         )
1359 ])
1360 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
1361         AC_DEFINE(HAVE_U_INTXX_T)
1362         have_u_intxx_t=1
1363 fi
1364
1365 if test -z "$have_u_intxx_t" ; then
1366     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
1367         AC_TRY_COMPILE(
1368                 [ #include <sys/socket.h> ],
1369                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1370                 [
1371                         AC_DEFINE(HAVE_U_INTXX_T)
1372                         AC_MSG_RESULT(yes)
1373                 ],
1374                 [ AC_MSG_RESULT(no) ]
1375         )
1376 fi
1377
1378 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
1379         AC_TRY_COMPILE(
1380                 [ #include <sys/types.h> ],
1381                 [ u_int64_t a; a = 1;],
1382                 [ ac_cv_have_u_int64_t="yes" ],
1383                 [ ac_cv_have_u_int64_t="no" ]
1384         )
1385 ])
1386 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
1387         AC_DEFINE(HAVE_U_INT64_T)
1388         have_u_int64_t=1
1389 fi
1390
1391 if test -z "$have_u_int64_t" ; then
1392     AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
1393         AC_TRY_COMPILE(
1394                 [ #include <sys/bitypes.h> ],
1395                 [ u_int64_t a; a = 1],
1396                 [
1397                         AC_DEFINE(HAVE_U_INT64_T)
1398                         AC_MSG_RESULT(yes)
1399                 ],
1400                 [ AC_MSG_RESULT(no) ]
1401         )
1402 fi
1403
1404 if test -z "$have_u_intxx_t" ; then
1405         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
1406                 AC_TRY_COMPILE(
1407                         [
1408 #include <sys/types.h>
1409                         ],
1410                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
1411                         [ ac_cv_have_uintxx_t="yes" ],
1412                         [ ac_cv_have_uintxx_t="no" ]
1413                 )
1414         ])
1415         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
1416                 AC_DEFINE(HAVE_UINTXX_T)
1417         fi
1418 fi
1419
1420 if test -z "$have_uintxx_t" ; then
1421     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
1422         AC_TRY_COMPILE(
1423                 [ #include <stdint.h> ],
1424                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
1425                 [
1426                         AC_DEFINE(HAVE_UINTXX_T)
1427                         AC_MSG_RESULT(yes)
1428                 ],
1429                 [ AC_MSG_RESULT(no) ]
1430         )
1431 fi
1432
1433 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
1434            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
1435 then
1436         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
1437         AC_TRY_COMPILE(
1438                 [
1439 #include <sys/bitypes.h>
1440                 ],
1441                 [
1442                         int8_t a; int16_t b; int32_t c;
1443                         u_int8_t e; u_int16_t f; u_int32_t g;
1444                         a = b = c = e = f = g = 1;
1445                 ],
1446                 [
1447                         AC_DEFINE(HAVE_U_INTXX_T)
1448                         AC_DEFINE(HAVE_INTXX_T)
1449                         AC_MSG_RESULT(yes)
1450                 ],
1451                 [AC_MSG_RESULT(no)]
1452         )
1453 fi
1454
1455
1456 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
1457         AC_TRY_COMPILE(
1458                 [
1459 #include <sys/types.h>
1460                 ],
1461                 [ u_char foo; foo = 125; ],
1462                 [ ac_cv_have_u_char="yes" ],
1463                 [ ac_cv_have_u_char="no" ]
1464         )
1465 ])
1466 if test "x$ac_cv_have_u_char" = "xyes" ; then
1467         AC_DEFINE(HAVE_U_CHAR)
1468 fi
1469
1470 TYPE_SOCKLEN_T
1471
1472 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
1473
1474 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
1475         AC_TRY_COMPILE(
1476                 [
1477 #include <sys/types.h>
1478                 ],
1479                 [ size_t foo; foo = 1235; ],
1480                 [ ac_cv_have_size_t="yes" ],
1481                 [ ac_cv_have_size_t="no" ]
1482         )
1483 ])
1484 if test "x$ac_cv_have_size_t" = "xyes" ; then
1485         AC_DEFINE(HAVE_SIZE_T)
1486 fi
1487
1488 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
1489         AC_TRY_COMPILE(
1490                 [
1491 #include <sys/types.h>
1492                 ],
1493                 [ ssize_t foo; foo = 1235; ],
1494                 [ ac_cv_have_ssize_t="yes" ],
1495                 [ ac_cv_have_ssize_t="no" ]
1496         )
1497 ])
1498 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
1499         AC_DEFINE(HAVE_SSIZE_T)
1500 fi
1501
1502 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
1503         AC_TRY_COMPILE(
1504                 [
1505 #include <time.h>
1506                 ],
1507                 [ clock_t foo; foo = 1235; ],
1508                 [ ac_cv_have_clock_t="yes" ],
1509                 [ ac_cv_have_clock_t="no" ]
1510         )
1511 ])
1512 if test "x$ac_cv_have_clock_t" = "xyes" ; then
1513         AC_DEFINE(HAVE_CLOCK_T)
1514 fi
1515
1516 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
1517         AC_TRY_COMPILE(
1518                 [
1519 #include <sys/types.h>
1520 #include <sys/socket.h>
1521                 ],
1522                 [ sa_family_t foo; foo = 1235; ],
1523                 [ ac_cv_have_sa_family_t="yes" ],
1524                 [ AC_TRY_COMPILE(
1525                   [
1526 #include <sys/types.h>
1527 #include <sys/socket.h>
1528 #include <netinet/in.h>
1529                 ],
1530                 [ sa_family_t foo; foo = 1235; ],
1531                 [ ac_cv_have_sa_family_t="yes" ],
1532
1533                 [ ac_cv_have_sa_family_t="no" ]
1534         )]
1535         )
1536 ])
1537 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
1538         AC_DEFINE(HAVE_SA_FAMILY_T)
1539 fi
1540
1541 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
1542         AC_TRY_COMPILE(
1543                 [
1544 #include <sys/types.h>
1545                 ],
1546                 [ pid_t foo; foo = 1235; ],
1547                 [ ac_cv_have_pid_t="yes" ],
1548                 [ ac_cv_have_pid_t="no" ]
1549         )
1550 ])
1551 if test "x$ac_cv_have_pid_t" = "xyes" ; then
1552         AC_DEFINE(HAVE_PID_T)
1553 fi
1554
1555 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
1556         AC_TRY_COMPILE(
1557                 [
1558 #include <sys/types.h>
1559                 ],
1560                 [ mode_t foo; foo = 1235; ],
1561                 [ ac_cv_have_mode_t="yes" ],
1562                 [ ac_cv_have_mode_t="no" ]
1563         )
1564 ])
1565 if test "x$ac_cv_have_mode_t" = "xyes" ; then
1566         AC_DEFINE(HAVE_MODE_T)
1567 fi
1568
1569
1570 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
1571         AC_TRY_COMPILE(
1572                 [
1573 #include <sys/types.h>
1574 #include <sys/socket.h>
1575                 ],
1576                 [ struct sockaddr_storage s; ],
1577                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
1578                 [ ac_cv_have_struct_sockaddr_storage="no" ]
1579         )
1580 ])
1581 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
1582         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
1583 fi
1584
1585 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
1586         AC_TRY_COMPILE(
1587                 [
1588 #include <sys/types.h>
1589 #include <netinet/in.h>
1590                 ],
1591                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1592                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1593                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1594         )
1595 ])
1596 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1597         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1598 fi
1599
1600 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1601         AC_TRY_COMPILE(
1602                 [
1603 #include <sys/types.h>
1604 #include <netinet/in.h>
1605                 ],
1606                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1607                 [ ac_cv_have_struct_in6_addr="yes" ],
1608                 [ ac_cv_have_struct_in6_addr="no" ]
1609         )
1610 ])
1611 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1612         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1613 fi
1614
1615 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1616         AC_TRY_COMPILE(
1617                 [
1618 #include <sys/types.h>
1619 #include <sys/socket.h>
1620 #include <netdb.h>
1621                 ],
1622                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1623                 [ ac_cv_have_struct_addrinfo="yes" ],
1624                 [ ac_cv_have_struct_addrinfo="no" ]
1625         )
1626 ])
1627 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1628         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1629 fi
1630
1631 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1632         AC_TRY_COMPILE(
1633                 [ #include <sys/time.h> ],
1634                 [ struct timeval tv; tv.tv_sec = 1;],
1635                 [ ac_cv_have_struct_timeval="yes" ],
1636                 [ ac_cv_have_struct_timeval="no" ]
1637         )
1638 ])
1639 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1640         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1641         have_struct_timeval=1
1642 fi
1643
1644 AC_CHECK_TYPES(struct timespec)
1645
1646 # We need int64_t or else certian parts of the compile will fail.
1647 if test "x$ac_cv_have_int64_t" = "xno" -a \
1648         "x$ac_cv_sizeof_long_int" != "x8" -a \
1649         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1650         echo "OpenSSH requires int64_t support.  Contact your vendor or install"
1651         echo "an alternative compiler (I.E., GCC) before continuing."
1652         echo ""
1653         exit 1;
1654 else
1655 dnl test snprintf (broken on SCO w/gcc)
1656         AC_TRY_RUN(
1657                 [
1658 #include <stdio.h>
1659 #include <string.h>
1660 #ifdef HAVE_SNPRINTF
1661 main()
1662 {
1663         char buf[50];
1664         char expected_out[50];
1665         int mazsize = 50 ;
1666 #if (SIZEOF_LONG_INT == 8)
1667         long int num = 0x7fffffffffffffff;
1668 #else
1669         long long num = 0x7fffffffffffffffll;
1670 #endif
1671         strcpy(expected_out, "9223372036854775807");
1672         snprintf(buf, mazsize, "%lld", num);
1673         if(strcmp(buf, expected_out) != 0)
1674                 exit(1);
1675         exit(0);
1676 }
1677 #else
1678 main() { exit(0); }
1679 #endif
1680                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1681         )
1682 fi
1683
1684 dnl Checks for structure members
1685 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1686 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1687 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1688 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1689 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1690 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1691 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1692 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1693 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1694 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1695 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1696 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1697 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1698 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1699 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1700 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1701 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1702
1703 AC_CHECK_MEMBERS([struct stat.st_blksize])
1704
1705 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1706                 ac_cv_have_ss_family_in_struct_ss, [
1707         AC_TRY_COMPILE(
1708                 [
1709 #include <sys/types.h>
1710 #include <sys/socket.h>
1711                 ],
1712                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1713                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1714                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1715         )
1716 ])
1717 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1718         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1719 fi
1720
1721 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1722                 ac_cv_have___ss_family_in_struct_ss, [
1723         AC_TRY_COMPILE(
1724                 [
1725 #include <sys/types.h>
1726 #include <sys/socket.h>
1727                 ],
1728                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1729                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1730                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1731         )
1732 ])
1733 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1734         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1735 fi
1736
1737 AC_CACHE_CHECK([for pw_class field in struct passwd],
1738                 ac_cv_have_pw_class_in_struct_passwd, [
1739         AC_TRY_COMPILE(
1740                 [
1741 #include <pwd.h>
1742                 ],
1743                 [ struct passwd p; p.pw_class = 0; ],
1744                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1745                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1746         )
1747 ])
1748 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1749         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1750 fi
1751
1752 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1753                 ac_cv_have_pw_expire_in_struct_passwd, [
1754         AC_TRY_COMPILE(
1755                 [
1756 #include <pwd.h>
1757                 ],
1758                 [ struct passwd p; p.pw_expire = 0; ],
1759                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1760                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1761         )
1762 ])
1763 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1764         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1765 fi
1766
1767 AC_CACHE_CHECK([for pw_change field in struct passwd],
1768                 ac_cv_have_pw_change_in_struct_passwd, [
1769         AC_TRY_COMPILE(
1770                 [
1771 #include <pwd.h>
1772                 ],
1773                 [ struct passwd p; p.pw_change = 0; ],
1774                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1775                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1776         )
1777 ])
1778 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1779         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1780 fi
1781
1782 dnl make sure we're using the real structure members and not defines
1783 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
1784                 ac_cv_have_accrights_in_msghdr, [
1785         AC_TRY_RUN(
1786                 [
1787 #include <sys/types.h>
1788 #include <sys/socket.h>
1789 #include <sys/uio.h>
1790 int main() {
1791 #ifdef msg_accrights
1792 exit(1);
1793 #endif
1794 struct msghdr m;
1795 m.msg_accrights = 0;
1796 exit(0);
1797 }
1798                 ],
1799                 [ ac_cv_have_accrights_in_msghdr="yes" ],
1800                 [ ac_cv_have_accrights_in_msghdr="no" ]
1801         )
1802 ])
1803 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
1804         AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
1805 fi
1806
1807 AC_CACHE_CHECK([for msg_control field in struct msghdr],
1808                 ac_cv_have_control_in_msghdr, [
1809         AC_TRY_RUN(
1810                 [
1811 #include <sys/types.h>
1812 #include <sys/socket.h>
1813 #include <sys/uio.h>
1814 int main() {
1815 #ifdef msg_control
1816 exit(1);
1817 #endif
1818 struct msghdr m;
1819 m.msg_control = 0;
1820 exit(0);
1821 }
1822                 ],
1823                 [ ac_cv_have_control_in_msghdr="yes" ],
1824                 [ ac_cv_have_control_in_msghdr="no" ]
1825         )
1826 ])
1827 if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
1828         AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
1829 fi
1830
1831 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1832         AC_TRY_LINK([],
1833                 [ extern char *__progname; printf("%s", __progname); ],
1834                 [ ac_cv_libc_defines___progname="yes" ],
1835                 [ ac_cv_libc_defines___progname="no" ]
1836         )
1837 ])
1838 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1839         AC_DEFINE(HAVE___PROGNAME)
1840 fi
1841
1842 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
1843         AC_TRY_LINK([
1844 #include <stdio.h>
1845 ],
1846                 [ printf("%s", __FUNCTION__); ],
1847                 [ ac_cv_cc_implements___FUNCTION__="yes" ],
1848                 [ ac_cv_cc_implements___FUNCTION__="no" ]
1849         )
1850 ])
1851 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
1852         AC_DEFINE(HAVE___FUNCTION__)
1853 fi
1854
1855 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
1856         AC_TRY_LINK([
1857 #include <stdio.h>
1858 ],
1859                 [ printf("%s", __func__); ],
1860                 [ ac_cv_cc_implements___func__="yes" ],
1861                 [ ac_cv_cc_implements___func__="no" ]
1862         )
1863 ])
1864 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
1865         AC_DEFINE(HAVE___func__)
1866 fi
1867
1868 AC_CACHE_CHECK([whether getopt has optreset support],
1869                 ac_cv_have_getopt_optreset, [
1870         AC_TRY_LINK(
1871                 [
1872 #include <getopt.h>
1873                 ],
1874                 [ extern int optreset; optreset = 0; ],
1875                 [ ac_cv_have_getopt_optreset="yes" ],
1876                 [ ac_cv_have_getopt_optreset="no" ]
1877         )
1878 ])
1879 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
1880         AC_DEFINE(HAVE_GETOPT_OPTRESET)
1881 fi
1882
1883 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1884         AC_TRY_LINK([],
1885                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1886                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1887                 [ ac_cv_libc_defines_sys_errlist="no" ]
1888         )
1889 ])
1890 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1891         AC_DEFINE(HAVE_SYS_ERRLIST)
1892 fi
1893
1894
1895 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1896         AC_TRY_LINK([],
1897                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1898                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1899                 [ ac_cv_libc_defines_sys_nerr="no" ]
1900         )
1901 ])
1902 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1903         AC_DEFINE(HAVE_SYS_NERR)
1904 fi
1905
1906 SCARD_MSG="no"
1907
1908 # Check whether user wants sectok support
1909 AC_ARG_WITH(sectok,
1910         [  --with-sectok           Enable smartcard support using libsectok],
1911         [
1912                 if test "x$withval" != "xno" ; then
1913                         if test "x$withval" != "xyes" ; then
1914                                 CPPFLAGS="$CPPFLAGS -I${withval}"
1915                                 LDFLAGS="$LDFLAGS -L${withval}"
1916                                 if test ! -z "$need_dash_r" ; then
1917                                         LDFLAGS="$LDFLAGS -R${withval}"
1918                                 fi
1919                                 if test ! -z "$blibpath" ; then
1920                                         blibpath="$blibpath:${withval}"
1921                                 fi
1922                         fi
1923                         AC_CHECK_HEADERS(sectok.h)
1924                         if test "$ac_cv_header_sectok_h" != yes; then
1925                                 AC_MSG_ERROR(Can't find sectok.h)
1926                         fi
1927                         AC_CHECK_LIB(sectok, sectok_open)
1928                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
1929                                 AC_MSG_ERROR(Can't find libsectok)
1930                         fi
1931                         AC_DEFINE(SMARTCARD)
1932                         AC_DEFINE(USE_SECTOK)
1933                         SCARD_MSG="yes, using sectok"
1934                 fi
1935         ]
1936 )
1937
1938 # Check whether user wants OpenSC support
1939 AC_ARG_WITH(opensc,
1940         AC_HELP_STRING([--with-opensc=PFX],
1941                        [Enable smartcard support using OpenSC]),
1942         opensc_config_prefix="$withval", opensc_config_prefix="")
1943 if test x$opensc_config_prefix != x ; then
1944   OPENSC_CONFIG=$opensc_config_prefix/bin/opensc-config
1945   AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
1946   if test "$OPENSC_CONFIG" != "no"; then
1947     LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
1948     LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
1949     CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
1950     LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"
1951     AC_DEFINE(SMARTCARD)
1952     AC_DEFINE(USE_OPENSC)
1953     SCARD_MSG="yes, using OpenSC"
1954   fi
1955 fi
1956
1957 # Check whether user wants Kerberos 5 support
1958 KRB5_MSG="no"
1959 AC_ARG_WITH(kerberos5,
1960         [  --with-kerberos5=PATH   Enable Kerberos 5 support],
1961         [
1962                 if test "x$withval" != "xno" ; then
1963                         if test "x$withval" = "xyes" ; then
1964                                 KRB5ROOT="/usr/local"
1965                         else
1966                                 KRB5ROOT=${withval}
1967                         fi
1968                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
1969                         LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
1970                         AC_DEFINE(KRB5)
1971                         KRB5_MSG="yes"
1972                         AC_MSG_CHECKING(whether we are using Heimdal)
1973                         AC_TRY_COMPILE([ #include <krb5.h> ],
1974                                        [ char *tmp = heimdal_version; ],
1975                                        [ AC_MSG_RESULT(yes)
1976                                          AC_DEFINE(HEIMDAL)
1977                                          K5LIBS="-lkrb5 -ldes -lcom_err -lasn1 -lroken"
1978                                        ],
1979                                        [ AC_MSG_RESULT(no)
1980                                          K5LIBS="-lkrb5 -lk5crypto -lcom_err"
1981                                        ]
1982                         )
1983                         if test ! -z "$need_dash_r" ; then
1984                                 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
1985                         fi
1986                         if test ! -z "$blibpath" ; then
1987                                 blibpath="$blibpath:${KRB5ROOT}/lib"
1988                         fi
1989                         AC_CHECK_LIB(resolv, dn_expand, , )
1990
1991                         # If we're using some other GSSAPI
1992                         if test "$GSSAPI" -a "$GSSAPI" != "mechglue"; then
1993                                 AC_MSG_ERROR([$GSSAPI GSSAPI library conflicts with Kerberos support.  Use mechglue instead.])
1994                         fi
1995                         AC_CHECK_LIB(gssapi,gss_init_sec_context,
1996                                 [ AC_DEFINE(GSSAPI)
1997                                   K5LIBS="-lgssapi $K5LIBS" ],
1998                                 [ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
1999                                         [ AC_DEFINE(GSSAPI)
2000                                           K5LIBS="-lgssapi_krb5 $K5LIBS" ],
2001                                         AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
2002                                         $K5LIBS)
2003                                 ],
2004                                 $K5LIBS)
2005
2006                         AC_CHECK_HEADER(gssapi.h, ,
2007                                 [ unset ac_cv_header_gssapi_h
2008                                   CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
2009                                   AC_CHECK_HEADERS(gssapi.h, ,
2010                                         AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
2011                                   )
2012                                 ]
2013                         )
2014
2015                         AC_CHECK_LIB(gssapi, gss_krb5_copy_ccache, /bin/true,
2016                                 [ K5LIBS="-lgssapi_krb5 $K5LIBS"
2017                                   AC_CHECK_LIB(gssapi_krb5, gss_krb5_copy_ccache, /bin/true,
2018                                         AC_MSG_WARN([Cannot find gss_krb5_copy_ccache -- build may fail]),
2019                                         $K5LIBS)
2020                                 ],
2021                                 $K5LIBS)
2022
2023                         oldCPP="$CPPFLAGS"
2024                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
2025                         AC_CHECK_HEADER(gssapi_krb5.h, ,
2026                                         [ CPPFLAGS="$oldCPP" ])
2027
2028                         if test -z "$GSSAPI"; then
2029                                 GSSAPI="KRB5";
2030                         fi
2031
2032                         KRB5=yes
2033                 fi
2034         ]
2035 )
2036 # Check whether user wants Kerberos 4 support
2037 KRB4_MSG="no"
2038 AC_ARG_WITH(kerberos4,
2039         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
2040         [
2041                 if test "x$withval" != "xno" ; then
2042                         if test "x$withval" != "xyes" ; then
2043                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
2044                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
2045                                 if test ! -z "$need_dash_r" ; then
2046                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
2047                                 fi
2048                                 if test ! -z "$blibpath" ; then
2049                                         blibpath="$blibpath:${withval}/lib"
2050                                 fi
2051                         else
2052                                 if test -d /usr/include/kerberosIV ; then
2053                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
2054                                 fi
2055                         fi
2056
2057                         AC_CHECK_HEADERS(krb.h)
2058                         if test "$ac_cv_header_krb_h" != yes; then
2059                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
2060                         fi
2061                         AC_CHECK_LIB(krb, main)
2062                         if test "$ac_cv_lib_krb_main" != yes; then
2063                                 AC_CHECK_LIB(krb4, main)
2064                                 if test "$ac_cv_lib_krb4_main" != yes; then
2065                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
2066                                 else
2067                                         KLIBS="-lkrb4"
2068                                 fi
2069                         else
2070                                 KLIBS="-lkrb"
2071                         fi
2072                         AC_CHECK_LIB(des, des_cbc_encrypt)
2073                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
2074                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
2075                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
2076                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
2077                                 else
2078                                         KLIBS="-ldes425"
2079                                 fi
2080                         else
2081                                 KLIBS="-ldes"
2082                         fi
2083                         AC_CHECK_LIB(resolv, dn_expand, , )
2084                         KRB4=yes
2085                         KRB4_MSG="yes"
2086                         AC_DEFINE(KRB4)
2087                 fi
2088         ]
2089 )
2090
2091 # Check whether user wants AFS_KRB5 support
2092 AFS_KRB5_MSG="no"
2093 AC_ARG_WITH(afs-krb5,
2094         [  --with-afs-krb5[[=AKLOG_PATH]]  Enable aklog to get token (default=/usr/bin/aklog).],
2095         [
2096                 if test "x$withval" != "xno" ; then
2097
2098                         if test "x$withval" != "xyes" ; then
2099                                 AC_DEFINE_UNQUOTED(AKLOG_PATH, "$withval")
2100                         else
2101                                 AC_DEFINE_UNQUOTED(AKLOG_PATH, "/usr/bin/aklog")
2102                         fi
2103
2104                         if test -z "$KRB5" ; then
2105                                 AC_MSG_WARN([AFS_KRB5 requires Kerberos 5 support, build may fail])
2106                         fi
2107
2108                         LIBS="-lkrbafs $LIBS"
2109                         if test ! -z "$AFS_LIBS" ; then
2110                                 LIBS="$LIBS $AFS_LIBS"
2111                         fi
2112                         AC_DEFINE(AFS_KRB5)
2113                         AFS_KRB5_MSG="yes"
2114                 fi
2115         ]
2116 )
2117
2118 # Check whether user wants AFS support
2119 AFS_MSG="no"
2120 AC_ARG_WITH(afs,
2121         [  --with-afs=PATH         Enable AFS support],
2122         [
2123                 if test "x$withval" != "xno" ; then
2124
2125                         if test "x$withval" != "xyes" ; then
2126                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
2127                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
2128                         fi
2129
2130                         if test -z "$KRB4" ; then
2131                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
2132                         fi
2133
2134                         LIBS="-lkafs $LIBS"
2135                         if test ! -z "$AFS_LIBS" ; then
2136                                 LIBS="$LIBS $AFS_LIBS"
2137                         fi
2138                         AC_DEFINE(AFS)
2139                         AFS_MSG="yes"
2140                 fi
2141         ]
2142 )
2143 LIBS="$LIBS $KLIBS $K5LIBS"
2144
2145 AC_ARG_WITH(session-hooks,
2146         [  --with-session-hooks    Enable hooks for executing external commands                                       before/after a session],
2147         [ AC_DEFINE(SESSION_HOOKS) ]
2148 )
2149
2150 # Looking for programs, paths and files
2151
2152 PRIVSEP_PATH=/var/empty
2153 AC_ARG_WITH(privsep-path,
2154         [  --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)],
2155         [
2156                 if test "x$withval" != "$no" ; then
2157                         PRIVSEP_PATH=$withval
2158                 fi
2159         ]
2160 )
2161 AC_SUBST(PRIVSEP_PATH)
2162
2163 AC_ARG_WITH(xauth,
2164         [  --with-xauth=PATH       Specify path to xauth program ],
2165         [
2166                 if test "x$withval" != "xno" ; then
2167                         xauth_path=$withval
2168                 fi
2169         ],
2170         [
2171                 TestPath="$PATH"
2172                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X/bin"
2173                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/bin/X11"
2174                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X11R6/bin"
2175                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/openwin/bin"
2176                 AC_PATH_PROG(xauth_path, xauth, , $TestPath)
2177                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
2178                         xauth_path="/usr/openwin/bin/xauth"
2179                 fi
2180         ]
2181 )
2182
2183 STRIP_OPT=-s
2184 AC_ARG_ENABLE(strip,
2185         [  --disable-strip         Disable calling strip(1) on install],
2186         [
2187                 if test "x$enableval" = "xno" ; then
2188                         STRIP_OPT=
2189                 fi
2190         ]
2191 )
2192 AC_SUBST(STRIP_OPT)
2193
2194 if test -z "$xauth_path" ; then
2195         XAUTH_PATH="undefined"
2196         AC_SUBST(XAUTH_PATH)
2197 else
2198         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
2199         XAUTH_PATH=$xauth_path
2200         AC_SUBST(XAUTH_PATH)
2201 fi
2202
2203 # Check for mail directory (last resort if we cannot get it from headers)
2204 if test ! -z "$MAIL" ; then
2205         maildir=`dirname $MAIL`
2206         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
2207 fi
2208
2209 if test -z "$no_dev_ptmx" ; then
2210         if test "x$disable_ptmx_check" != "xyes" ; then
2211                 AC_CHECK_FILE("/dev/ptmx",
2212                         [
2213                                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
2214                                 have_dev_ptmx=1
2215                         ]
2216                 )
2217         fi
2218 fi
2219 AC_CHECK_FILE("/dev/ptc",
2220         [
2221                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
2222                 have_dev_ptc=1
2223         ]
2224 )
2225
2226 # Options from here on. Some of these are preset by platform above
2227 AC_ARG_WITH(mantype,
2228         [  --with-mantype=man|cat|doc  Set man page type],
2229         [
2230                 case "$withval" in
2231                 man|cat|doc)
2232                         MANTYPE=$withval
2233                         ;;
2234                 *)
2235                         AC_MSG_ERROR(invalid man type: $withval)
2236                         ;;
2237                 esac
2238         ]
2239 )
2240 if test -z "$MANTYPE"; then
2241         TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb"
2242         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, $TestPath)
2243         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
2244                 MANTYPE=doc
2245         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
2246                 MANTYPE=man
2247         else
2248                 MANTYPE=cat
2249         fi
2250 fi
2251 AC_SUBST(MANTYPE)
2252 if test "$MANTYPE" = "doc"; then
2253         mansubdir=man;
2254 else
2255         mansubdir=$MANTYPE;
2256 fi
2257 AC_SUBST(mansubdir)
2258
2259 # Check whether to enable MD5 passwords
2260 MD5_MSG="no"
2261 AC_ARG_WITH(md5-passwords,
2262         [  --with-md5-passwords    Enable use of MD5 passwords],
2263         [
2264                 if test "x$withval" != "xno" ; then
2265                         AC_DEFINE(HAVE_MD5_PASSWORDS)
2266                         MD5_MSG="yes"
2267                 fi
2268         ]
2269 )
2270
2271 # Whether to disable shadow password support
2272 AC_ARG_WITH(shadow,
2273         [  --without-shadow        Disable shadow password support],
2274         [
2275                 if test "x$withval" = "xno" ; then
2276                         AC_DEFINE(DISABLE_SHADOW)
2277                         disable_shadow=yes
2278                 fi
2279         ]
2280 )
2281
2282 if test -z "$disable_shadow" ; then
2283         AC_MSG_CHECKING([if the systems has expire shadow information])
2284         AC_TRY_COMPILE(
2285         [
2286 #include <sys/types.h>
2287 #include <shadow.h>
2288         struct spwd sp;
2289         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
2290         [ sp_expire_available=yes ], []
2291         )
2292
2293         if test "x$sp_expire_available" = "xyes" ; then
2294                 AC_MSG_RESULT(yes)
2295                 AC_DEFINE(HAS_SHADOW_EXPIRE)
2296         else
2297                 AC_MSG_RESULT(no)
2298         fi
2299 fi
2300
2301 # Use ip address instead of hostname in $DISPLAY
2302 if test ! -z "$IPADDR_IN_DISPLAY" ; then
2303         DISPLAY_HACK_MSG="yes"
2304         AC_DEFINE(IPADDR_IN_DISPLAY)
2305 else
2306         DISPLAY_HACK_MSG="no"
2307         AC_ARG_WITH(ipaddr-display,
2308                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
2309                 [
2310                         if test "x$withval" != "xno" ; then
2311                                 AC_DEFINE(IPADDR_IN_DISPLAY)
2312                                 DISPLAY_HACK_MSG="yes"
2313                         fi
2314                 ]
2315         )
2316 fi
2317
2318 dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
2319 if test $ac_cv_func_login_getcapbool = "yes" -a \
2320         $ac_cv_header_login_cap_h = "yes" ; then
2321         USES_LOGIN_CONF=yes
2322 fi
2323 # Whether to mess with the default path
2324 SERVER_PATH_MSG="(default)"
2325 AC_ARG_WITH(default-path,
2326         [  --with-default-path=    Specify default \$PATH environment for server],
2327         [
2328                 if test "$USES_LOGIN_CONF" = "yes" ; then
2329                         AC_MSG_WARN([
2330 --with-default-path=PATH has no effect on this system.
2331 Edit /etc/login.conf instead.])
2332                 elif test "x$withval" != "xno" ; then
2333                         user_path="$withval"
2334                         SERVER_PATH_MSG="$withval"
2335                 fi
2336         ],
2337         [ if test "$USES_LOGIN_CONF" = "yes" ; then
2338         AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
2339         else
2340         AC_TRY_RUN(
2341                 [
2342 /* find out what STDPATH is */
2343 #include <stdio.h>
2344 #ifdef HAVE_PATHS_H
2345 # include <paths.h>
2346 #endif
2347 #ifndef _PATH_STDPATH
2348 # ifdef _PATH_USERPATH  /* Irix */
2349 #  define _PATH_STDPATH _PATH_USERPATH
2350 # else
2351 #  define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
2352 # endif
2353 #endif
2354 #include <sys/types.h>
2355 #include <sys/stat.h>
2356 #include <fcntl.h>
2357 #define DATA "conftest.stdpath"
2358
2359 main()
2360 {
2361         FILE *fd;
2362         int rc;
2363
2364         fd = fopen(DATA,"w");
2365         if(fd == NULL)
2366                 exit(1);
2367
2368         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
2369                 exit(1);
2370
2371         exit(0);
2372 }
2373                 ], [ user_path=`cat conftest.stdpath` ],
2374                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
2375                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
2376         )
2377         fi ]
2378 )
2379 if test "$USES_LOGIN_CONF" != "yes" ; then
2380         AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
2381         AC_SUBST(user_path)
2382 fi
2383
2384 # Set superuser path separately to user path
2385 AC_ARG_WITH(superuser-path,
2386         [  --with-superuser-path=  Specify different path for super-user],
2387         [
2388                 if test "x$withval" != "xno" ; then
2389                         AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval")
2390                         superuser_path=$withval
2391                 fi
2392         ]
2393 )
2394
2395
2396 # Whether to force IPv4 by default (needed on broken glibc Linux)
2397 IPV4_HACK_MSG="no"
2398 AC_ARG_WITH(ipv4-default,
2399         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
2400         [
2401                 if test "x$withval" != "xno" ; then
2402                         AC_DEFINE(IPV4_DEFAULT)
2403                         IPV4_HACK_MSG="yes"
2404                 fi
2405         ]
2406 )
2407
2408 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
2409 IPV4_IN6_HACK_MSG="no"
2410 AC_ARG_WITH(4in6,
2411         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
2412         [
2413                 if test "x$withval" != "xno" ; then
2414                         AC_MSG_RESULT(yes)
2415                         AC_DEFINE(IPV4_IN_IPV6)
2416                         IPV4_IN6_HACK_MSG="yes"
2417                 else
2418                         AC_MSG_RESULT(no)
2419                 fi
2420         ],[
2421                 if test "x$inet6_default_4in6" = "xyes"; then
2422                         AC_MSG_RESULT([yes (default)])
2423                         AC_DEFINE(IPV4_IN_IPV6)
2424                         IPV4_IN6_HACK_MSG="yes"
2425                 else
2426                         AC_MSG_RESULT([no (default)])
2427                 fi
2428         ]
2429 )
2430
2431 # Whether to enable BSD auth support
2432 BSD_AUTH_MSG=no
2433 AC_ARG_WITH(bsd-auth,
2434         [  --with-bsd-auth         Enable BSD auth support],
2435         [
2436                 if test "x$withval" != "xno" ; then
2437                         AC_DEFINE(BSD_AUTH)
2438                         BSD_AUTH_MSG=yes
2439                 fi
2440         ]
2441 )
2442
2443 dnl allow user to disable some login recording features
2444 AC_ARG_ENABLE(lastlog,
2445         [  --disable-lastlog       disable use of lastlog even if detected [no]],
2446         [ AC_DEFINE(DISABLE_LASTLOG) ]
2447 )
2448 AC_ARG_ENABLE(utmp,
2449         [  --disable-utmp          disable use of utmp even if detected [no]],
2450         [ AC_DEFINE(DISABLE_UTMP) ]
2451 )
2452 AC_ARG_ENABLE(utmpx,
2453         [  --disable-utmpx         disable use of utmpx even if detected [no]],
2454         [ AC_DEFINE(DISABLE_UTMPX) ]
2455 )
2456 AC_ARG_ENABLE(wtmp,
2457         [  --disable-wtmp          disable use of wtmp even if detected [no]],
2458         [ AC_DEFINE(DISABLE_WTMP) ]
2459 )
2460 AC_ARG_ENABLE(wtmpx,
2461         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
2462         [ AC_DEFINE(DISABLE_WTMPX) ]
2463 )
2464 AC_ARG_ENABLE(libutil,
2465         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
2466         [ AC_DEFINE(DISABLE_LOGIN) ]
2467 )
2468 AC_ARG_ENABLE(pututline,
2469         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
2470         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
2471 )
2472 AC_ARG_ENABLE(pututxline,
2473         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
2474         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
2475 )
2476 AC_ARG_WITH(lastlog,
2477   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
2478         [
2479                 if test "x$withval" = "xno" ; then
2480                         AC_DEFINE(DISABLE_LASTLOG)
2481                 else
2482                         conf_lastlog_location=$withval
2483                 fi
2484         ]
2485 )
2486
2487 dnl lastlog, [uw]tmpx? detection
2488 dnl  NOTE: set the paths in the platform section to avoid the
2489 dnl   need for command-line parameters
2490 dnl lastlog and [uw]tmp are subject to a file search if all else fails
2491
2492 dnl lastlog detection
2493 dnl  NOTE: the code itself will detect if lastlog is a directory
2494 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
2495 AC_TRY_COMPILE([
2496 #include <sys/types.h>
2497 #include <utmp.h>
2498 #ifdef HAVE_LASTLOG_H
2499 #  include <lastlog.h>
2500 #endif
2501 #ifdef HAVE_PATHS_H
2502 #  include <paths.h>
2503 #endif
2504 #ifdef HAVE_LOGIN_H
2505 # include <login.h>
2506 #endif
2507         ],
2508         [ char *lastlog = LASTLOG_FILE; ],
2509         [ AC_MSG_RESULT(yes) ],
2510         [
2511                 AC_MSG_RESULT(no)
2512                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
2513                 AC_TRY_COMPILE([
2514 #include <sys/types.h>
2515 #include <utmp.h>
2516 #ifdef HAVE_LASTLOG_H
2517 #  include <lastlog.h>
2518 #endif
2519 #ifdef HAVE_PATHS_H
2520 #  include <paths.h>
2521 #endif
2522                 ],
2523                 [ char *lastlog = _PATH_LASTLOG; ],
2524                 [ AC_MSG_RESULT(yes) ],
2525                 [
2526                         AC_MSG_RESULT(no)
2527                         system_lastlog_path=no
2528                 ])
2529         ]
2530 )
2531
2532 if test -z "$conf_lastlog_location"; then
2533         if test x"$system_lastlog_path" = x"no" ; then
2534                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
2535                                 if (test -d "$f" || test -f "$f") ; then
2536                                         conf_lastlog_location=$f
2537                                 fi
2538                 done
2539                 if test -z "$conf_lastlog_location"; then
2540                         AC_MSG_WARN([** Cannot find lastlog **])
2541                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
2542                 fi
2543         fi
2544 fi
2545
2546 if test -n "$conf_lastlog_location"; then
2547         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
2548 fi
2549
2550 dnl utmp detection
2551 AC_MSG_CHECKING([if your system defines UTMP_FILE])
2552 AC_TRY_COMPILE([
2553 #include <sys/types.h>
2554 #include <utmp.h>
2555 #ifdef HAVE_PATHS_H
2556 #  include <paths.h>
2557 #endif
2558         ],
2559         [ char *utmp = UTMP_FILE; ],
2560         [ AC_MSG_RESULT(yes) ],
2561         [ AC_MSG_RESULT(no)
2562           system_utmp_path=no ]
2563 )
2564 if test -z "$conf_utmp_location"; then
2565         if test x"$system_utmp_path" = x"no" ; then
2566                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
2567                         if test -f $f ; then
2568                                 conf_utmp_location=$f
2569                         fi
2570                 done
2571                 if test -z "$conf_utmp_location"; then
2572                         AC_DEFINE(DISABLE_UTMP)
2573                 fi
2574         fi
2575 fi
2576 if test -n "$conf_utmp_location"; then
2577         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
2578 fi
2579
2580 dnl wtmp detection
2581 AC_MSG_CHECKING([if your system defines WTMP_FILE])
2582 AC_TRY_COMPILE([
2583 #include <sys/types.h>
2584 #include <utmp.h>
2585 #ifdef HAVE_PATHS_H
2586 #  include <paths.h>
2587 #endif
2588         ],
2589         [ char *wtmp = WTMP_FILE; ],
2590         [ AC_MSG_RESULT(yes) ],
2591         [ AC_MSG_RESULT(no)
2592           system_wtmp_path=no ]
2593 )
2594 if test -z "$conf_wtmp_location"; then
2595         if test x"$system_wtmp_path" = x"no" ; then
2596                 for f in /usr/adm/wtmp /var/log/wtmp; do
2597                         if test -f $f ; then
2598                                 conf_wtmp_location=$f
2599                         fi
2600                 done
2601                 if test -z "$conf_wtmp_location"; then
2602                         AC_DEFINE(DISABLE_WTMP)
2603                 fi
2604         fi
2605 fi
2606 if test -n "$conf_wtmp_location"; then
2607         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
2608 fi
2609
2610
2611 dnl utmpx detection - I don't know any system so perverse as to require
2612 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
2613 dnl  there, though.
2614 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
2615 AC_TRY_COMPILE([
2616 #include <sys/types.h>
2617 #include <utmp.h>
2618 #ifdef HAVE_UTMPX_H
2619 #include <utmpx.h>
2620 #endif
2621 #ifdef HAVE_PATHS_H
2622 #  include <paths.h>
2623 #endif
2624         ],
2625         [ char *utmpx = UTMPX_FILE; ],
2626         [ AC_MSG_RESULT(yes) ],
2627         [ AC_MSG_RESULT(no)
2628           system_utmpx_path=no ]
2629 )
2630 if test -z "$conf_utmpx_location"; then
2631         if test x"$system_utmpx_path" = x"no" ; then
2632                 AC_DEFINE(DISABLE_UTMPX)
2633         fi
2634 else
2635         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
2636 fi
2637
2638 dnl wtmpx detection
2639 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
2640 AC_TRY_COMPILE([
2641 #include <sys/types.h>
2642 #include <utmp.h>
2643 #ifdef HAVE_UTMPX_H
2644 #include <utmpx.h>
2645 #endif
2646 #ifdef HAVE_PATHS_H
2647 #  include <paths.h>
2648 #endif
2649         ],
2650         [ char *wtmpx = WTMPX_FILE; ],
2651         [ AC_MSG_RESULT(yes) ],
2652         [ AC_MSG_RESULT(no)
2653           system_wtmpx_path=no ]
2654 )
2655 if test -z "$conf_wtmpx_location"; then
2656         if test x"$system_wtmpx_path" = x"no" ; then
2657                 AC_DEFINE(DISABLE_WTMPX)
2658         fi
2659 else
2660         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
2661 fi
2662
2663
2664 if test ! -z "$blibpath" ; then
2665         LDFLAGS="$LDFLAGS $blibflags$blibpath"
2666         AC_MSG_WARN([Please check and edit blibpath in LDFLAGS in Makefile])
2667 fi
2668
2669 dnl remove pam and dl because they are in $LIBPAM
2670 if test "$PAM_MSG" = yes ; then
2671         LIBS=`echo $LIBS | sed 's/-lpam //'`
2672 fi
2673 if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
2674         LIBS=`echo $LIBS | sed 's/-ldl //'`
2675 fi
2676
2677 AC_EXEEXT
2678 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
2679 AC_OUTPUT
2680
2681 # Print summary of options
2682
2683 # Someone please show me a better way :)
2684 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
2685 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
2686 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
2687 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
2688 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
2689 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
2690 H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
2691 I=`eval echo ${user_path}` ; I=`eval echo ${I}`
2692 J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
2693
2694 echo ""
2695 echo "OpenSSH has been configured with the following options:"
2696 echo "                     User binaries: $B"
2697 echo "                   System binaries: $C"
2698 echo "               Configuration files: $D"
2699 echo "                   Askpass program: $E"
2700 echo "                      Manual pages: $F"
2701 echo "  Privilege separation chroot path: $H"
2702 if test "$USES_LOGIN_CONF" = "yes" ; then
2703 echo "   At runtime, sshd will use the path defined in /etc/login.conf"
2704 else
2705 echo "            sshd default user PATH: $I"
2706 fi
2707 if test ! -z "$superuser_path" ; then
2708 echo "          sshd superuser user PATH: $J"
2709 fi
2710 echo "                    Manpage format: $MANTYPE"
2711 echo "                       PAM support: ${PAM_MSG}"
2712 echo "                KerberosIV support: $KRB4_MSG"
2713 echo "                 KerberosV support: $KRB5_MSG"
2714 echo "                 Smartcard support: $SCARD_MSG"
2715 echo "                       AFS support: $AFS_MSG"
2716 echo "                     S/KEY support: $SKEY_MSG"
2717 echo "              TCP Wrappers support: $TCPW_MSG"
2718 echo "              MD5 password support: $MD5_MSG"
2719 echo "       IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
2720 echo "          Use IPv4 by default hack: $IPV4_HACK_MSG"
2721 echo "           Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
2722 echo "                  BSD Auth support: $BSD_AUTH_MSG"
2723 echo "              Random number source: $RAND_MSG"
2724 if test ! -z "$USE_RAND_HELPER" ; then
2725 echo "     ssh-rand-helper collects from: $RAND_HELPER_MSG"
2726 fi
2727
2728 echo ""
2729
2730 echo "              Host: ${host}"
2731 echo "          Compiler: ${CC}"
2732 echo "    Compiler flags: ${CFLAGS}"
2733 echo "Preprocessor flags: ${CPPFLAGS}"
2734 echo "      Linker flags: ${LDFLAGS}"
2735 echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
2736
2737 echo ""
2738
2739 if test "x$PAM_MSG" = "xyes" ; then
2740         echo "PAM is enabled. You may need to install a PAM control file "
2741         echo "for sshd, otherwise password authentication may fail. "
2742         echo "Example PAM control files can be found in the contrib/ "
2743         echo "subdirectory"
2744         echo ""
2745 fi
2746
2747 if test ! -z "$RAND_HELPER_CMDHASH" ; then
2748         echo "WARNING: you are using the builtin random number collection "
2749         echo "service. Please read WARNING.RNG and request that your OS "
2750         echo "vendor includes kernel-based random number collection in "
2751         echo "future versions of your OS."
2752         echo ""
2753 fi
2754