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