configure.ac

   1 i# $Id$
   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_SUBST(PERL)
  18 AC_PATH_PROG(ENT, ent)
  19 AC_SUBST(ENT)
  20 AC_PATH_PROGS(FILEPRIV, filepriv, true, /sbin:/usr/sbin)
  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
  25 # System features
  26 AC_SYS_LARGEFILE
  27
  28 if test -z "$AR" ; then
  29         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  30 fi
  31
  32 # Use LOGIN_PROGRAM from environment if possible
  33 if test ! -z "$LOGIN_PROGRAM" ; then
  34         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  35 else
  36         # Search for login
  37         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  38         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  39                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  40         fi
  41 fi
  42
  43 if test -z "$LD" ; then
  44         LD=$CC
  45 fi
  46 AC_SUBST(LD)
  47
  48 AC_C_INLINE
  49 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
  50         CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wno-uninitialized"
  51 fi
  52
  53 # Check for some target-specific stuff
  54 case "$host" in
  55 *-*-aix*)
  56         AFS_LIBS="-lld"
  57         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
  58         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  59         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  60                 blibpath="/usr/lib:/lib:/usr/local/lib"
  61         fi
  62         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  63         AC_DEFINE(BROKEN_GETADDRINFO)
  64         dnl AIX handles lastlog as part of its login message
  65         AC_DEFINE(DISABLE_LASTLOG)
  66         ;;
  67 *-*-cygwin*)
  68         LIBS="$LIBS /usr/lib/textmode.o"
  69         AC_DEFINE(HAVE_CYGWIN)
  70         AC_DEFINE(USE_PIPES)
  71         AC_DEFINE(DISABLE_SHADOW)
  72         AC_DEFINE(IPV4_DEFAULT)
  73         AC_DEFINE(IP_TOS_IS_BROKEN)
  74         AC_DEFINE(NO_X11_UNIX_SOCKETS)
  75         ;;
  76 *-*-dgux*)
  77         AC_DEFINE(IP_TOS_IS_BROKEN)
  78         ;;
  79 *-*-darwin*)
  80         AC_DEFINE(BROKEN_GETADDRINFO)
  81         ;;
  82 *-*-hpux10*)
  83         if test -z "$GCC"; then
  84                 CFLAGS="$CFLAGS -Ae"
  85         fi
  86         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
  87         IPADDR_IN_DISPLAY=yes
  88         AC_DEFINE(USE_PIPES)
  89         AC_DEFINE(DISABLE_SHADOW)
  90         AC_DEFINE(DISABLE_UTMP)
  91         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
  92         LIBS="$LIBS -lxnet -lsec"
  93         ;;
  94 *-*-hpux11*)
  95         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
  96         IPADDR_IN_DISPLAY=yes
  97         AC_DEFINE(PAM_SUN_CODEBASE)
  98         AC_DEFINE(USE_PIPES)
  99         AC_DEFINE(DISABLE_SHADOW)
 100         AC_DEFINE(DISABLE_UTMP)
 101         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 102         LIBS="$LIBS -lxnet -lsec"
 103         ;;
 104 *-*-irix5*)
 105         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 106         LDFLAGS="$LDFLAGS"
 107         PATH="$PATH:/usr/etc"
 108         AC_DEFINE(BROKEN_INET_NTOA)
 109         ;;
 110 *-*-irix6*)
 111         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 112         LDFLAGS="$LDFLAGS"
 113         PATH="$PATH:/usr/etc"
 114         AC_DEFINE(WITH_IRIX_ARRAY)
 115         AC_DEFINE(WITH_IRIX_PROJECT)
 116         AC_DEFINE(WITH_IRIX_AUDIT)
 117         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 118         AC_DEFINE(BROKEN_INET_NTOA)
 119         ;;
 120 *-*-linux*)
 121         no_dev_ptmx=1
 122         check_for_libcrypt_later=1
 123         AC_DEFINE(DONT_TRY_OTHER_AF)
 124         AC_DEFINE(PAM_TTY_KLUDGE)
 125         inet6_default_4in6=yes
 126         ;;
 127 mips-sony-bsd|mips-sony-newsos4)
 128         AC_DEFINE(HAVE_NEWS4)
 129         SONY=1
 130         AC_CHECK_LIB(iberty, xatexit, AC_DEFINE(HAVE_XATEXIT),
 131                 AC_MSG_ERROR([*** libiberty missing - please install first or check config.log ***])
 132         )
 133         ;;
 134 *-*-netbsd*)
 135         need_dash_r=1
 136         ;;
 137 *-*-freebsd*)
 138         check_for_libcrypt_later=1
 139         ;;
 140 *-next-*)
 141         conf_lastlog_location="/usr/adm/lastlog"
 142         conf_utmp_location=/etc/utmp
 143         conf_wtmp_location=/usr/adm/wtmp
 144         MAIL=/usr/spool/mail
 145         AC_DEFINE(HAVE_NEXT)
 146         AC_DEFINE(BROKEN_REALPATH)
 147         AC_DEFINE(USE_PIPES)
 148         AC_DEFINE(BROKEN_SAVED_UIDS)
 149         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 150         CFLAGS="$CFLAGS"
 151         ;;
 152 *-*-solaris*)
 153         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 154         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 155         need_dash_r=1
 156         AC_DEFINE(PAM_SUN_CODEBASE)
 157         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 158         AC_DEFINE(LOGIN_NEEDS_TERM)
 159         AC_DEFINE(PAM_TTY_KLUDGE)
 160         # hardwire lastlog location (can't detect it on some versions)
 161         conf_lastlog_location="/var/adm/lastlog"
 162         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 163         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 164         if test "$sol2ver" -ge 8; then
 165                 AC_MSG_RESULT(yes)
 166                 AC_DEFINE(DISABLE_UTMP)
 167                 AC_DEFINE(DISABLE_WTMP)
 168         else
 169                 AC_MSG_RESULT(no)
 170         fi
 171         ;;
 172 *-*-sunos4*)
 173         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 174         AC_CHECK_FUNCS(getpwanam)
 175         AC_DEFINE(PAM_SUN_CODEBASE)
 176         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 177         conf_utmp_location=/etc/utmp
 178         conf_wtmp_location=/var/adm/wtmp
 179         conf_lastlog_location=/var/adm/lastlog
 180         AC_DEFINE(USE_PIPES)
 181         ;;
 182 *-ncr-sysv*)
 183         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 184         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 185         LIBS="$LIBS -lc89"
 186         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 187         ;;
 188 *-sni-sysv*)
 189         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 190         # /usr/ucblib MUST NOT be searched on ReliantUNIX
 191         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 192         IPADDR_IN_DISPLAY=yes
 193         AC_DEFINE(USE_PIPES)
 194         AC_DEFINE(IP_TOS_IS_BROKEN)
 195         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 196         # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
 197         # Attention: always take care to bind libsocket and libnsl before libc,
 198         # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
 199         ;;
 200 *-*-sysv4.2*)
 201         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 202         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 203 #       enable_suid_ssh=no
 204         AC_DEFINE(USE_PIPES)
 205         ;;
 206 *-*-sysv5*)
 207         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 208         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 209 #       enable_suid_ssh=no
 210         AC_DEFINE(USE_PIPES)
 211         ;;
 212 *-*-sysv*)
 213         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 214         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 215         ;;
 216 *-*-sco3.2v4*)
 217         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 218         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 219         LIBS="$LIBS -los -lprot -lx -ltinfo -lm"
 220         rsh_path="/usr/bin/rcmd"
 221         RANLIB=true
 222         no_dev_ptmx=1
 223         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 224         AC_DEFINE(USE_PIPES)
 225         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 226         AC_DEFINE(DISABLE_SHADOW)
 227         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 228         AC_DEFINE(BROKEN_SAVED_UIDS)
 229         AC_CHECK_FUNCS(getluid setluid)
 230         MANTYPE=man
 231         do_sco3_extra_lib_check=yes
 232         ;;
 233 *-*-sco3.2v5*)
 234         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 235         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 236         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 237         no_dev_ptmx=1
 238         rsh_path="/usr/bin/rcmd"
 239         AC_DEFINE(USE_PIPES)
 240         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 241         AC_DEFINE(DISABLE_SHADOW)
 242         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 243         AC_CHECK_FUNCS(getluid setluid)
 244         MANTYPE=man
 245         ;;
 246 *-*-unicos*)
 247         no_libsocket=1
 248         no_libnsl=1
 249         AC_DEFINE(USE_PIPES)
 250         LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal,-L/usr/local/lib"
 251         LIBS="$LIBS -lgen -lrsc"
 252         ;;
 253 *-dec-osf*)
 254         AC_MSG_CHECKING(for Digital Unix SIA)
 255         no_osfsia=""
 256         AC_ARG_WITH(osfsia,
 257                 [  --with-osfsia           Enable Digital Unix SIA],
 258                 [
 259                         if test "x$withval" = "xno" ; then
 260                                 AC_MSG_RESULT(disabled)
 261                                 no_osfsia=1
 262                         fi
 263                 ],
 264         )
 265         if test -z "$no_osfsia" ; then
 266                 if test -f /etc/sia/matrix.conf; then
 267                         AC_MSG_RESULT(yes)
 268                         AC_DEFINE(HAVE_OSF_SIA)
 269                         AC_DEFINE(DISABLE_LOGIN)
 270                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 271                 else
 272                         AC_MSG_RESULT(no)
 273                 fi
 274         fi
 275         ;;
 276
 277 *-*-nto-qnx)
 278         AC_DEFINE(USE_PIPES)
 279         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 280         AC_DEFINE(MISSING_NFDBITS)
 281         AC_DEFINE(MISSING_HOWMANY)
 282         AC_DEFINE(MISSING_FD_MASK)
 283         ;;
 284 esac
 285
 286 # Allow user to specify flags
 287 AC_ARG_WITH(cflags,
 288         [  --with-cflags           Specify additional flags to pass to compiler],
 289         [
 290                 if test "x$withval" != "xno" ; then
 291                         CFLAGS="$CFLAGS $withval"
 292                 fi
 293         ]
 294 )
 295 AC_ARG_WITH(cppflags,
 296         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 297         [
 298                 if test "x$withval" != "xno"; then
 299                         CPPFLAGS="$CPPFLAGS $withval"
 300                 fi
 301         ]
 302 )
 303 AC_ARG_WITH(ldflags,
 304         [  --with-ldflags          Specify additional flags to pass to linker],
 305         [
 306                 if test "x$withval" != "xno" ; then
 307                         LDFLAGS="$LDFLAGS $withval"
 308                 fi
 309         ]
 310 )
 311 AC_ARG_WITH(libs,
 312         [  --with-libs             Specify additional libraries to link with],
 313         [
 314                 if test "x$withval" != "xno" ; then
 315                         LIBS="$LIBS $withval"
 316                 fi
 317         ]
 318 )
 319
 320 # Checks for libraries.
 321 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
 322 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
 323
 324 dnl SCO OS3 needs this for libwrap
 325 if test "x$with_tcp_wrappers" != "xno" ; then
 326     if test "x$do_sco3_extra_lib_check" = "xyes" ; then
 327         AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 328     fi
 329 fi
 330
 331 AC_CHECK_FUNC(getspnam, ,
 332         AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
 333
 334 dnl zlib is required
 335 AC_ARG_WITH(zlib,
 336         [  --with-zlib=PATH        Use zlib in PATH],
 337         [
 338                 if test -d "$withval/lib"; then
 339                         if test -n "${need_dash_r}"; then
 340                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 341                         else
 342                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 343                         fi
 344                 else
 345                         if test -n "${need_dash_r}"; then
 346                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 347                         else
 348                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 349                         fi
 350                 fi
 351                 if test -d "$withval/include"; then
 352                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 353                 else
 354                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 355                 fi
 356         ]
 357 )
 358
 359 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 360
 361 dnl UnixWare 2.x
 362 AC_CHECK_FUNC(strcasecmp,
 363         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 364 )
 365 AC_CHECK_FUNC(utimes,
 366         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 367 )
 368
 369 dnl    Checks for libutil functions
 370 AC_CHECK_HEADERS(libutil.h)
 371 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN)])
 372 AC_CHECK_FUNCS(logout updwtmp logwtmp)
 373
 374 AC_FUNC_STRFTIME
 375
 376 # Checks for header files.
 377 AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \
 378         getopt.h glob.h lastlog.h limits.h login.h \
 379         login_cap.h maillock.h netdb.h netgroup.h \
 380         netinet/in_systm.h paths.h poll.h pty.h \
 381         security/pam_appl.h shadow.h stddef.h stdint.h \
 382         strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
 383         sys/poll.h sys/queue.h sys/select.h sys/stat.h \
 384         sys/stropts.h sys/sysmacros.h sys/time.h \
 385         sys/ttcompat.h sys/un.h time.h ttyent.h usersec.h \
 386         util.h utime.h utmp.h utmpx.h)
 387
 388 # Check for ALTDIRFUNC glob() extension
 389 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 390 AC_EGREP_CPP(FOUNDIT,
 391         [
 392                 #include <glob.h>
 393                 #ifdef GLOB_ALTDIRFUNC
 394                 FOUNDIT
 395                 #endif
 396         ],
 397         [
 398                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 399                 AC_MSG_RESULT(yes)
 400         ],
 401         [
 402                 AC_MSG_RESULT(no)
 403         ]
 404 )
 405
 406 # Check for g.gl_matchc glob() extension
 407 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 408 AC_EGREP_CPP(FOUNDIT,
 409         [
 410                 #include <glob.h>
 411                 int main(void){glob_t g; g.gl_matchc = 1;}
 412         ],
 413         [
 414                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 415                 AC_MSG_RESULT(yes)
 416         ],
 417         [
 418                 AC_MSG_RESULT(no)
 419         ]
 420 )
 421
 422 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 423 AC_TRY_RUN(
 424         [
 425 #include <sys/types.h>
 426 #include <dirent.h>
 427 int main(void){struct dirent d;return(sizeof(d.d_name)<=sizeof(char));}
 428         ],
 429         [AC_MSG_RESULT(yes)],
 430         [
 431                 AC_MSG_RESULT(no)
 432                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 433         ]
 434 )
 435
 436 # Check whether user wants S/Key support
 437 SKEY_MSG="no"
 438 AC_ARG_WITH(skey,
 439         [  --with-skey[[=PATH]]      Enable S/Key support
 440                             (optionally in PATH)],
 441         [
 442                 if test "x$withval" != "xno" ; then
 443
 444                         if test "x$withval" != "xyes" ; then
 445                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 446                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 447                         fi
 448
 449                         AC_DEFINE(SKEY)
 450                         LIBS="-lskey $LIBS"
 451                         SKEY_MSG="yes"
 452
 453                         AC_CHECK_FUNC(skey_keyinfo,
 454                                 [],
 455                                 [
 456                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 457                                 ])
 458                 fi
 459         ]
 460 )
 461
 462 # Check whether user wants TCP wrappers support
 463 TCPW_MSG="no"
 464 AC_ARG_WITH(tcp-wrappers,
 465         [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
 466                             (optionally in PATH)],
 467         [
 468                 if test "x$withval" != "xno" ; then
 469                         saved_LIBS="$LIBS"
 470                         saved_LDFLAGS="$LDFLAGS"
 471                         saved_CPPFLAGS="$CPPFLAGS"
 472                         if test -n "${withval}" -a "${withval}" != "yes"; then
 473                                 if test -d "${withval}/lib"; then
 474                                         if test -n "${need_dash_r}"; then
 475                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 476                                         else
 477                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 478                                         fi
 479                                 else
 480                                         if test -n "${need_dash_r}"; then
 481                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 482                                         else
 483                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 484                                         fi
 485                                 fi
 486                                 if test -d "${withval}/include"; then
 487                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 488                                 else
 489                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 490                                 fi
 491                         fi
 492                         LIBS="-lwrap $LIBS"
 493                         AC_MSG_CHECKING(for libwrap)
 494                         AC_TRY_LINK(
 495                                 [
 496 #include <tcpd.h>
 497                                         int deny_severity = 0, allow_severity = 0;
 498                                 ],
 499                                 [hosts_access(0);],
 500                                 [
 501                                         AC_MSG_RESULT(yes)
 502                                         AC_DEFINE(LIBWRAP)
 503                                         TCPW_MSG="yes"
 504                                 ],
 505                                 [
 506                                         AC_MSG_ERROR([*** libwrap missing])
 507                                 ]
 508                         )
 509                 fi
 510         ]
 511 )
 512
 513 dnl    Checks for library functions.
 514 AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_sa \
 515         clock fchmod fchown freeaddrinfo futimes gai_strerror \
 516         getaddrinfo getcwd getgrouplist getnameinfo getopt \
 517         getrlimit getrusage getttyent glob inet_aton inet_ntoa \
 518         inet_ntop innetgr login_getcapbool md5_crypt memmove \
 519         mkdtemp on_exit openpty readpassphrase realpath \
 520         rresvport_af setdtablesize setegid setenv seteuid \
 521         setlogin setproctitle setresgid setreuid setrlimit \
 522         setsid setvbuf sigaction sigvec snprintf strerror \
 523         strlcat strlcpy strmode strsep sysconf tcgetpgrp utimes \
 524         vhangup vsnprintf waitpid __b64_ntop _getpty)
 525
 526 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 527 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 528         AC_CHECK_LIB(gen, dirname,[
 529                 AC_CACHE_CHECK([for broken dirname],
 530                         ac_cv_have_broken_dirname, [
 531                         save_LIBS="$LIBS"
 532                         LIBS="$LIBS -lgen"
 533                         AC_TRY_RUN(
 534                                 [
 535 #include <libgen.h>
 536 #include <string.h>
 537
 538 int main(int argc, char **argv) {
 539     char *s, buf[32];
 540
 541     strncpy(buf,"/etc", 32);
 542     s = dirname(buf);
 543     if (!s || strncmp(s, "/", 32) != 0) {
 544         exit(1);
 545     } else {
 546         exit(0);
 547     }
 548 }
 549                                 ],
 550                                 [ ac_cv_have_broken_dirname="no" ],
 551                                 [ ac_cv_have_broken_dirname="yes" ]
 552                         )
 553                         LIBS="$save_LIBS"
 554                 ])
 555                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 556                         LIBS="$LIBS -lgen"
 557                         AC_DEFINE(HAVE_DIRNAME)
 558                         AC_CHECK_HEADERS(libgen.h)
 559                 fi
 560         ])
 561 ])
 562
 563 dnl    Checks for time functions
 564 AC_CHECK_FUNCS(gettimeofday time)
 565 dnl    Checks for utmp functions
 566 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 567 AC_CHECK_FUNCS(utmpname)
 568 dnl    Checks for utmpx functions
 569 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 570 AC_CHECK_FUNCS(setutxent utmpxname)
 571
 572 AC_CHECK_FUNC(getuserattr,
 573         [AC_DEFINE(HAVE_GETUSERATTR)],
 574         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 575 )
 576
 577 AC_CHECK_FUNC(daemon,
 578         [AC_DEFINE(HAVE_DAEMON)],
 579         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 580 )
 581
 582 AC_CHECK_FUNC(getpagesize,
 583         [AC_DEFINE(HAVE_GETPAGESIZE)],
 584         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 585 )
 586
 587 # Check for broken snprintf
 588 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 589         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 590         AC_TRY_RUN(
 591                 [
 592 #include <stdio.h>
 593 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 594                 ],
 595                 [AC_MSG_RESULT(yes)],
 596                 [
 597                         AC_MSG_RESULT(no)
 598                         AC_DEFINE(BROKEN_SNPRINTF)
 599                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 600                 ]
 601         )
 602 fi
 603
 604 AC_FUNC_GETPGRP
 605
 606 # Check for PAM libs
 607 PAM_MSG="no"
 608 AC_ARG_WITH(pam,
 609         [  --with-pam              Enable PAM support ],
 610         [
 611                 if test "x$withval" != "xno" ; then
 612                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 613                                 AC_MSG_ERROR([PAM headers not found])
 614                         fi
 615
 616                         AC_CHECK_LIB(dl, dlopen, , )
 617                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 618                         AC_CHECK_FUNCS(pam_getenvlist)
 619
 620                         disable_shadow=yes
 621                         PAM_MSG="yes"
 622
 623                         AC_DEFINE(USE_PAM)
 624                 fi
 625         ]
 626 )
 627
 628 # Check for older PAM
 629 if test "x$PAM_MSG" = "xyes" ; then
 630         # Check PAM strerror arguments (old PAM)
 631         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 632         AC_TRY_COMPILE(
 633                 [
 634 #include <stdlib.h>
 635 #include <security/pam_appl.h>
 636                 ],
 637                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 638                 [AC_MSG_RESULT(no)],
 639                 [
 640                         AC_DEFINE(HAVE_OLD_PAM)
 641                         AC_MSG_RESULT(yes)
 642                         PAM_MSG="yes (old library)"
 643                 ]
 644         )
 645 fi
 646
 647 # The big search for OpenSSL
 648 AC_ARG_WITH(ssl-dir,
 649         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 650         [
 651                 if test "x$withval" != "xno" ; then
 652                         tryssldir=$withval
 653                 fi
 654         ]
 655 )
 656
 657 saved_LIBS="$LIBS"
 658 saved_LDFLAGS="$LDFLAGS"
 659 saved_CPPFLAGS="$CPPFLAGS"
 660 if test "x$prefix" != "xNONE" ; then
 661         tryssldir="$tryssldir $prefix"
 662 fi
 663 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 664         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 665                 CPPFLAGS="$saved_CPPFLAGS"
 666                 LDFLAGS="$saved_LDFLAGS"
 667                 LIBS="$saved_LIBS -lcrypto"
 668
 669                 # Skip directories if they don't exist
 670                 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
 671                         continue;
 672                 fi
 673                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 674                         # Try to use $ssldir/lib if it exists, otherwise
 675                         # $ssldir
 676                         if test -d "$ssldir/lib" ; then
 677                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 678                                 if test ! -z "$need_dash_r" ; then
 679                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
 680                                 fi
 681                         else
 682                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
 683                                 if test ! -z "$need_dash_r" ; then
 684                                         LDFLAGS="-R$ssldir $LDFLAGS"
 685                                 fi
 686                         fi
 687                         # Try to use $ssldir/include if it exists, otherwise
 688                         # $ssldir
 689                         if test -d "$ssldir/include" ; then
 690                                 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 691                         else
 692                                 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 693                         fi
 694                 fi
 695
 696                 # Basic test to check for compatible version and correct linking
 697                 # *does not* test for RSA - that comes later.
 698                 AC_TRY_RUN(
 699                         [
 700 #include <string.h>
 701 #include <openssl/rand.h>
 702 int main(void)
 703 {
 704         char a[2048];
 705         memset(a, 0, sizeof(a));
 706         RAND_add(a, sizeof(a), sizeof(a));
 707         return(RAND_status() <= 0);
 708 }
 709                         ],
 710                         [
 711                                 found_crypto=1
 712                                 break;
 713                         ], []
 714                 )
 715
 716                 if test ! -z "$found_crypto" ; then
 717                         break;
 718                 fi
 719         done
 720
 721         if test -z "$found_crypto" ; then
 722                 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
 723         fi
 724         if test -z "$ssldir" ; then
 725                 ssldir="(system)"
 726         fi
 727
 728         ac_cv_openssldir=$ssldir
 729 ])
 730
 731 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 732         AC_DEFINE(HAVE_OPENSSL)
 733         dnl Need to recover ssldir - test above runs in subshell
 734         ssldir=$ac_cv_openssldir
 735         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 736                 # Try to use $ssldir/lib if it exists, otherwise
 737                 # $ssldir
 738                 if test -d "$ssldir/lib" ; then
 739                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 740                         if test ! -z "$need_dash_r" ; then
 741                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
 742                         fi
 743                 else
 744                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
 745                         if test ! -z "$need_dash_r" ; then
 746                                 LDFLAGS="-R$ssldir $LDFLAGS"
 747                         fi
 748                 fi
 749                 # Try to use $ssldir/include if it exists, otherwise
 750                 # $ssldir
 751                 if test -d "$ssldir/include" ; then
 752                         CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 753                 else
 754                         CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 755                 fi
 756         fi
 757 fi
 758 LIBS="$saved_LIBS -lcrypto"
 759
 760 # Now test RSA support
 761 saved_LIBS="$LIBS"
 762 AC_MSG_CHECKING([for RSA support])
 763 for WANTS_RSAREF in "" 1 ; do
 764         if test -z "$WANTS_RSAREF" ; then
 765                 LIBS="$saved_LIBS"
 766         else
 767                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 768         fi
 769         AC_TRY_RUN([
 770 #include <string.h>
 771 #include <openssl/rand.h>
 772 #include <openssl/rsa.h>
 773 #include <openssl/bn.h>
 774 #include <openssl/sha.h>
 775 int main(void)
 776 {
 777         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 778         unsigned char c[256], p[256];
 779         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 780         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 781         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 782         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 783 }
 784         ],
 785         [
 786                 rsa_works=1
 787                 break;
 788         ], [])
 789 done
 790 LIBS="$saved_LIBS"
 791
 792 if test ! -z "$no_rsa" ; then
 793         AC_MSG_RESULT(disabled)
 794         RSA_MSG="disabled"
 795 else
 796         if test -z "$rsa_works" ; then
 797                 AC_MSG_WARN([*** No RSA support found *** ])
 798                 RSA_MSG="no"
 799         else
 800                 if test -z "$WANTS_RSAREF" ; then
 801                         AC_MSG_RESULT(yes)
 802                         RSA_MSG="yes"
 803                 else
 804                         RSA_MSG="yes (using RSAref)"
 805                         AC_MSG_RESULT(using RSAref)
 806                         LIBS="$LIBS -lcrypto -lRSAglue -lrsaref"
 807                 fi
 808         fi
 809 fi
 810
 811 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 812 # version in OpenSSL. Skip this for PAM
 813 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 814         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 815 fi
 816
 817 # Cheap hack to ensure NEWS-OS libraries are arranged right.
 818 if test ! -z "$SONY" ; then
 819   LIBS="$LIBS -liberty";
 820 fi
 821
 822 # Checks for data types
 823 AC_CHECK_SIZEOF(char, 1)
 824 AC_CHECK_SIZEOF(short int, 2)
 825 AC_CHECK_SIZEOF(int, 4)
 826 AC_CHECK_SIZEOF(long int, 4)
 827 AC_CHECK_SIZEOF(long long int, 8)
 828
 829 # More checks for data types
 830 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
 831         AC_TRY_COMPILE(
 832                 [ #include <sys/types.h> ],
 833                 [ u_int a; a = 1;],
 834                 [ ac_cv_have_u_int="yes" ],
 835                 [ ac_cv_have_u_int="no" ]
 836         )
 837 ])
 838 if test "x$ac_cv_have_u_int" = "xyes" ; then
 839         AC_DEFINE(HAVE_U_INT)
 840         have_u_int=1
 841 fi
 842
 843 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
 844         AC_TRY_COMPILE(
 845                 [ #include <sys/types.h> ],
 846                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 847                 [ ac_cv_have_intxx_t="yes" ],
 848                 [ ac_cv_have_intxx_t="no" ]
 849         )
 850 ])
 851 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
 852         AC_DEFINE(HAVE_INTXX_T)
 853         have_intxx_t=1
 854 fi
 855
 856 if (test -z "$have_intxx_t" && \
 857            test "x$ac_cv_header_stdint_h" = "xyes")
 858 then
 859     AC_MSG_CHECKING([for intXX_t types in stdint.h])
 860         AC_TRY_COMPILE(
 861                 [ #include <stdint.h> ],
 862                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
 863                 [
 864                         AC_DEFINE(HAVE_INTXX_T)
 865                         AC_MSG_RESULT(yes)
 866                 ],
 867                 [ AC_MSG_RESULT(no) ]
 868         )
 869 fi
 870
 871 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
 872         AC_TRY_COMPILE(
 873                 [ #include <sys/types.h> ],
 874                 [ int64_t a; a = 1;],
 875                 [ ac_cv_have_int64_t="yes" ],
 876                 [ ac_cv_have_int64_t="no" ]
 877         )
 878 ])
 879 if test "x$ac_cv_have_int64_t" = "xyes" ; then
 880         AC_DEFINE(HAVE_INT64_T)
 881         have_int64_t=1
 882 fi
 883
 884 if test -z "$have_int64_t" ; then
 885     AC_MSG_CHECKING([for int64_t type in sys/socket.h])
 886         AC_TRY_COMPILE(
 887                 [ #include <sys/socket.h> ],
 888                 [ int64_t a; a = 1],
 889                 [
 890                         AC_DEFINE(HAVE_INT64_T)
 891                         AC_MSG_RESULT(yes)
 892                 ],
 893                 [ AC_MSG_RESULT(no) ]
 894         )
 895 fi
 896
 897 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
 898         AC_TRY_COMPILE(
 899                 [ #include <sys/types.h> ],
 900                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 901                 [ ac_cv_have_u_intxx_t="yes" ],
 902                 [ ac_cv_have_u_intxx_t="no" ]
 903         )
 904 ])
 905 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
 906         AC_DEFINE(HAVE_U_INTXX_T)
 907         have_u_intxx_t=1
 908 fi
 909
 910 if test -z "$have_u_intxx_t" ; then
 911     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
 912         AC_TRY_COMPILE(
 913                 [ #include <sys/socket.h> ],
 914                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
 915                 [
 916                         AC_DEFINE(HAVE_U_INTXX_T)
 917                         AC_MSG_RESULT(yes)
 918                 ],
 919                 [ AC_MSG_RESULT(no) ]
 920         )
 921 fi
 922
 923 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
 924         AC_TRY_COMPILE(
 925                 [ #include <sys/types.h> ],
 926                 [ u_int64_t a; a = 1;],
 927                 [ ac_cv_have_u_int64_t="yes" ],
 928                 [ ac_cv_have_u_int64_t="no" ]
 929         )
 930 ])
 931 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
 932         AC_DEFINE(HAVE_U_INT64_T)
 933         have_u_int64_t=1
 934 fi
 935
 936 if test -z "$have_u_intxx_t" ; then
 937         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
 938                 AC_TRY_COMPILE(
 939                         [
 940 #include <sys/types.h>
 941                         ],
 942                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
 943                         [ ac_cv_have_uintxx_t="yes" ],
 944                         [ ac_cv_have_uintxx_t="no" ]
 945                 )
 946         ])
 947         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
 948                 AC_DEFINE(HAVE_UINTXX_T)
 949         fi
 950 fi
 951
 952 if test -z "$have_uintxx_t" ; then
 953     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
 954         AC_TRY_COMPILE(
 955                 [ #include <stdint.h> ],
 956                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
 957                 [
 958                         AC_DEFINE(HAVE_UINTXX_T)
 959                         AC_MSG_RESULT(yes)
 960                 ],
 961                 [ AC_MSG_RESULT(no) ]
 962         )
 963 fi
 964
 965 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
 966            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
 967 then
 968         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
 969         AC_TRY_COMPILE(
 970                 [
 971 #include <sys/bitypes.h>
 972                 ],
 973                 [
 974                         int8_t a; int16_t b; int32_t c;
 975                         u_int8_t e; u_int16_t f; u_int32_t g;
 976                         a = b = c = e = f = g = 1;
 977                 ],
 978                 [
 979                         AC_DEFINE(HAVE_U_INTXX_T)
 980                         AC_DEFINE(HAVE_INTXX_T)
 981                         AC_MSG_RESULT(yes)
 982                 ],
 983                 [AC_MSG_RESULT(no)]
 984         )
 985 fi
 986
 987
 988 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
 989         AC_TRY_COMPILE(
 990                 [
 991 #include <sys/types.h>
 992                 ],
 993                 [ u_char foo; foo = 125; ],
 994                 [ ac_cv_have_u_char="yes" ],
 995                 [ ac_cv_have_u_char="no" ]
 996         )
 997 ])
 998 if test "x$ac_cv_have_u_char" = "xyes" ; then
 999         AC_DEFINE(HAVE_U_CHAR)
1000 fi
1001
1002 TYPE_SOCKLEN_T
1003
1004 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
1005         AC_TRY_COMPILE(
1006                 [
1007 #include <sys/types.h>
1008                 ],
1009                 [ size_t foo; foo = 1235; ],
1010                 [ ac_cv_have_size_t="yes" ],
1011                 [ ac_cv_have_size_t="no" ]
1012         )
1013 ])
1014 if test "x$ac_cv_have_size_t" = "xyes" ; then
1015         AC_DEFINE(HAVE_SIZE_T)
1016 fi
1017
1018 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
1019         AC_TRY_COMPILE(
1020                 [
1021 #include <sys/types.h>
1022                 ],
1023                 [ ssize_t foo; foo = 1235; ],
1024                 [ ac_cv_have_ssize_t="yes" ],
1025                 [ ac_cv_have_ssize_t="no" ]
1026         )
1027 ])
1028 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
1029         AC_DEFINE(HAVE_SSIZE_T)
1030 fi
1031
1032 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
1033         AC_TRY_COMPILE(
1034                 [
1035 #include <time.h>
1036                 ],
1037                 [ clock_t foo; foo = 1235; ],
1038                 [ ac_cv_have_clock_t="yes" ],
1039                 [ ac_cv_have_clock_t="no" ]
1040         )
1041 ])
1042 if test "x$ac_cv_have_clock_t" = "xyes" ; then
1043         AC_DEFINE(HAVE_CLOCK_T)
1044 fi
1045
1046 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
1047         AC_TRY_COMPILE(
1048                 [
1049 #include <sys/types.h>
1050 #include <sys/socket.h>
1051                 ],
1052                 [ sa_family_t foo; foo = 1235; ],
1053                 [ ac_cv_have_sa_family_t="yes" ],
1054                 [ AC_TRY_COMPILE(
1055                   [
1056 #include <sys/types.h>
1057 #include <sys/socket.h>
1058 #include <netinet/in.h>
1059                 ],
1060                 [ sa_family_t foo; foo = 1235; ],
1061                 [ ac_cv_have_sa_family_t="yes" ],
1062
1063                 [ ac_cv_have_sa_family_t="no" ]
1064         )]
1065         )
1066 ])
1067 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
1068         AC_DEFINE(HAVE_SA_FAMILY_T)
1069 fi
1070
1071 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
1072         AC_TRY_COMPILE(
1073                 [
1074 #include <sys/types.h>
1075                 ],
1076                 [ pid_t foo; foo = 1235; ],
1077                 [ ac_cv_have_pid_t="yes" ],
1078                 [ ac_cv_have_pid_t="no" ]
1079         )
1080 ])
1081 if test "x$ac_cv_have_pid_t" = "xyes" ; then
1082         AC_DEFINE(HAVE_PID_T)
1083 fi
1084
1085 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
1086         AC_TRY_COMPILE(
1087                 [
1088 #include <sys/types.h>
1089                 ],
1090                 [ mode_t foo; foo = 1235; ],
1091                 [ ac_cv_have_mode_t="yes" ],
1092                 [ ac_cv_have_mode_t="no" ]
1093         )
1094 ])
1095 if test "x$ac_cv_have_mode_t" = "xyes" ; then
1096         AC_DEFINE(HAVE_MODE_T)
1097 fi
1098
1099
1100 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
1101         AC_TRY_COMPILE(
1102                 [
1103 #include <sys/types.h>
1104 #include <sys/socket.h>
1105                 ],
1106                 [ struct sockaddr_storage s; ],
1107                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
1108                 [ ac_cv_have_struct_sockaddr_storage="no" ]
1109         )
1110 ])
1111 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
1112         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
1113 fi
1114
1115 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
1116         AC_TRY_COMPILE(
1117                 [
1118 #include <sys/types.h>
1119 #include <netinet/in.h>
1120                 ],
1121                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1122                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1123                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1124         )
1125 ])
1126 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1127         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1128 fi
1129
1130 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1131         AC_TRY_COMPILE(
1132                 [
1133 #include <sys/types.h>
1134 #include <netinet/in.h>
1135                 ],
1136                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1137                 [ ac_cv_have_struct_in6_addr="yes" ],
1138                 [ ac_cv_have_struct_in6_addr="no" ]
1139         )
1140 ])
1141 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1142         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1143 fi
1144
1145 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1146         AC_TRY_COMPILE(
1147                 [
1148 #include <sys/types.h>
1149 #include <sys/socket.h>
1150 #include <netdb.h>
1151                 ],
1152                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1153                 [ ac_cv_have_struct_addrinfo="yes" ],
1154                 [ ac_cv_have_struct_addrinfo="no" ]
1155         )
1156 ])
1157 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1158         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1159 fi
1160
1161 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1162         AC_TRY_COMPILE(
1163                 [ #include <sys/time.h> ],
1164                 [ struct timeval tv; tv.tv_sec = 1;],
1165                 [ ac_cv_have_struct_timeval="yes" ],
1166                 [ ac_cv_have_struct_timeval="no" ]
1167         )
1168 ])
1169 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1170         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1171         have_struct_timeval=1
1172 fi
1173
1174 # If we don't have int64_t then we can't compile sftp-server.  So don't
1175 # even attempt to do it.
1176 if test "x$ac_cv_have_int64_t" = "xno" -a \
1177         "x$ac_cv_sizeof_long_int" != "x8" -a \
1178         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1179         NO_SFTP='#'
1180 else
1181 dnl test snprintf (broken on SCO w/gcc)
1182         AC_TRY_RUN(
1183                 [
1184 #include <stdio.h>
1185 #include <string.h>
1186 #ifdef HAVE_SNPRINTF
1187 main()
1188 {
1189         char buf[50];
1190         char expected_out[50];
1191         int mazsize = 50 ;
1192 #if (SIZEOF_LONG_INT == 8)
1193         long int num = 0x7fffffffffffffff;
1194 #else
1195         long long num = 0x7fffffffffffffffll;
1196 #endif
1197         strcpy(expected_out, "9223372036854775807");
1198         snprintf(buf, mazsize, "%lld", num);
1199         if(strcmp(buf, expected_out) != 0)
1200                 exit(1);
1201         exit(0);
1202 }
1203 #else
1204 main() { exit(0); }
1205 #endif
1206                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1207         )
1208 fi
1209 AC_SUBST(NO_SFTP)
1210
1211 dnl Checks for structure members
1212 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1213 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1214 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1215 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1216 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1217 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1218 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1219 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1220 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1221 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1222 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1223 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1224 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1225 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1226 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1227 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1228 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1229
1230 AC_CHECK_MEMBERS([struct stat.st_blksize])
1231
1232 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1233                 ac_cv_have_ss_family_in_struct_ss, [
1234         AC_TRY_COMPILE(
1235                 [
1236 #include <sys/types.h>
1237 #include <sys/socket.h>
1238                 ],
1239                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1240                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1241                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1242         )
1243 ])
1244 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1245         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1246 fi
1247
1248 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1249                 ac_cv_have___ss_family_in_struct_ss, [
1250         AC_TRY_COMPILE(
1251                 [
1252 #include <sys/types.h>
1253 #include <sys/socket.h>
1254                 ],
1255                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1256                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1257                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1258         )
1259 ])
1260 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1261         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1262 fi
1263
1264 AC_CACHE_CHECK([for pw_class field in struct passwd],
1265                 ac_cv_have_pw_class_in_struct_passwd, [
1266         AC_TRY_COMPILE(
1267                 [
1268 #include <pwd.h>
1269                 ],
1270                 [ struct passwd p; p.pw_class = 0; ],
1271                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1272                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1273         )
1274 ])
1275 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1276         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1277 fi
1278
1279 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1280                 ac_cv_have_pw_expire_in_struct_passwd, [
1281         AC_TRY_COMPILE(
1282                 [
1283 #include <pwd.h>
1284                 ],
1285                 [ struct passwd p; p.pw_expire = 0; ],
1286                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1287                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1288         )
1289 ])
1290 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1291         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1292 fi
1293
1294 AC_CACHE_CHECK([for pw_change field in struct passwd],
1295                 ac_cv_have_pw_change_in_struct_passwd, [
1296         AC_TRY_COMPILE(
1297                 [
1298 #include <pwd.h>
1299                 ],
1300                 [ struct passwd p; p.pw_change = 0; ],
1301                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1302                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1303         )
1304 ])
1305 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1306         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1307 fi
1308
1309 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1310         AC_TRY_LINK([],
1311                 [ extern char *__progname; printf("%s", __progname); ],
1312                 [ ac_cv_libc_defines___progname="yes" ],
1313                 [ ac_cv_libc_defines___progname="no" ]
1314         )
1315 ])
1316 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1317         AC_DEFINE(HAVE___PROGNAME)
1318 fi
1319
1320 AC_CACHE_CHECK([whether getopt has optreset support],
1321                 ac_cv_have_getopt_optreset, [
1322         AC_TRY_LINK(
1323                 [
1324 #include <getopt.h>
1325                 ],
1326                 [ extern int optreset; optreset = 0; ],
1327                 [ ac_cv_have_getopt_optreset="yes" ],
1328                 [ ac_cv_have_getopt_optreset="no" ]
1329         )
1330 ])
1331 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
1332         AC_DEFINE(HAVE_GETOPT_OPTRESET)
1333 fi
1334
1335 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1336         AC_TRY_LINK([],
1337                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1338                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1339                 [ ac_cv_libc_defines_sys_errlist="no" ]
1340         )
1341 ])
1342 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1343         AC_DEFINE(HAVE_SYS_ERRLIST)
1344 fi
1345
1346
1347 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1348         AC_TRY_LINK([],
1349                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1350                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1351                 [ ac_cv_libc_defines_sys_nerr="no" ]
1352         )
1353 ])
1354 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1355         AC_DEFINE(HAVE_SYS_NERR)
1356 fi
1357
1358
1359 # Check whether user wants Kerberos support
1360 SCARD_MSG="no"
1361 AC_ARG_WITH(smartcard,
1362         [  --with-smartcard        Enable smartcard support],
1363         [
1364                 if test "x$withval" != "xno" ; then
1365                         if test "x$withval" != "xyes" ; then
1366                                 CPPFLAGS="$CPPFLAGS -I${withval}"
1367                                 LDFLAGS="$LDFLAGS -L${withval}"
1368                                 if test ! -z "$need_dash_r" ; then
1369                                         LDFLAGS="$LDFLAGS -R${withval}"
1370                                 fi
1371                                 if test ! -z "$blibpath" ; then
1372                                         blibpath="$blibpath:${withval}"
1373                                 fi
1374                         fi
1375                         AC_CHECK_HEADERS(sectok.h)
1376                         if test "$ac_cv_header_sectok_h" != yes; then
1377                                 AC_MSG_ERROR(Can't find sectok.h)
1378                         fi
1379                         AC_CHECK_LIB(sectok, sectok_open)
1380                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
1381                                 AC_MSG_ERROR(Can't find libsectok)
1382                         fi
1383                         AC_DEFINE(SMARTCARD)
1384                         SCARD_MSG="yes"
1385                 fi
1386         ]
1387 )
1388
1389 # Check whether user wants Kerberos support
1390 KRB4_MSG="no"
1391 AC_ARG_WITH(kerberos4,
1392         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1393         [
1394                 if test "x$withval" != "xno" ; then
1395                         if test "x$withval" != "xyes" ; then
1396                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1397                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1398                                 if test ! -z "$need_dash_r" ; then
1399                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1400                                 fi
1401                                 if test ! -z "$blibpath" ; then
1402                                         blibpath="$blibpath:${withval}/lib"
1403                                 fi
1404                         else
1405                                 if test -d /usr/include/kerberosIV ; then
1406                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1407                                 fi
1408                         fi
1409
1410                         AC_CHECK_HEADERS(krb.h)
1411                         if test "$ac_cv_header_krb_h" != yes; then
1412                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1413                         fi
1414                         AC_CHECK_LIB(krb, main)
1415                         if test "$ac_cv_lib_krb_main" != yes; then
1416                                 AC_CHECK_LIB(krb4, main)
1417                                 if test "$ac_cv_lib_krb4_main" != yes; then
1418                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
1419                                 else
1420                                         KLIBS="-lkrb4"
1421                                 fi
1422                         else
1423                                 KLIBS="-lkrb"
1424                         fi
1425                         AC_CHECK_LIB(des, des_cbc_encrypt)
1426                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
1427                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
1428                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
1429                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
1430                                 else
1431                                         KLIBS="-ldes425"
1432                                 fi
1433                         else
1434                                 KLIBS="-ldes"
1435                         fi
1436                         AC_CHECK_LIB(resolv, dn_expand, , )
1437                         KRB4=yes
1438                         KRB4_MSG="yes"
1439                         AC_DEFINE(KRB4)
1440                 fi
1441         ]
1442 )
1443
1444 # Check whether user wants AFS support
1445 AFS_MSG="no"
1446 AC_ARG_WITH(afs,
1447         [  --with-afs=PATH         Enable AFS support],
1448         [
1449                 if test "x$withval" != "xno" ; then
1450
1451                         if test "x$withval" != "xyes" ; then
1452                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1453                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1454                         fi
1455
1456                         if test -z "$KRB4" ; then
1457                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1458                         fi
1459
1460                         LIBS="-lkafs $LIBS"
1461                         if test ! -z "$AFS_LIBS" ; then
1462                                 LIBS="$LIBS $AFS_LIBS"
1463                         fi
1464                         AC_DEFINE(AFS)
1465                         AFS_MSG="yes"
1466                 fi
1467         ]
1468 )
1469 LIBS="$LIBS $KLIBS"
1470
1471 # Looking for programs, paths and files
1472 AC_ARG_WITH(rsh,
1473         [  --with-rsh=PATH         Specify path to remote shell program ],
1474         [
1475                 if test "x$withval" != "$no" ; then
1476                         rsh_path=$withval
1477                 fi
1478         ],
1479         [
1480                 AC_PATH_PROG(rsh_path, rsh)
1481         ]
1482 )
1483
1484 AC_ARG_WITH(xauth,
1485         [  --with-xauth=PATH       Specify path to xauth program ],
1486         [
1487                 if test "x$withval" != "xno" ; then
1488                         xauth_path=$withval
1489                 fi
1490         ],
1491         [
1492                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1493                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1494                         xauth_path="/usr/openwin/bin/xauth"
1495                 fi
1496         ]
1497 )
1498
1499 if test -z "$xauth_path" ; then
1500         XAUTH_PATH="undefined"
1501         AC_SUBST(XAUTH_PATH)
1502 else
1503         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1504         XAUTH_PATH=$xauth_path
1505         AC_SUBST(XAUTH_PATH)
1506 fi
1507 if test ! -z "$rsh_path" ; then
1508         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
1509 fi
1510
1511 # Check for mail directory (last resort if we cannot get it from headers)
1512 if test ! -z "$MAIL" ; then
1513         maildir=`dirname $MAIL`
1514         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1515 fi
1516
1517 if test -z "$no_dev_ptmx" ; then
1518         AC_CHECK_FILE("/dev/ptmx",
1519                 [
1520                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1521                         have_dev_ptmx=1
1522                 ]
1523         )
1524 fi
1525 AC_CHECK_FILE("/dev/ptc",
1526         [
1527                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1528                 have_dev_ptc=1
1529         ]
1530 )
1531
1532 # Options from here on. Some of these are preset by platform above
1533
1534 # Check for user-specified random device, otherwise check /dev/urandom
1535 AC_ARG_WITH(random,
1536         [  --with-random=FILE      read entropy from FILE (default=/dev/urandom)],
1537         [
1538                 if test "x$withval" != "xno" ; then
1539                         RANDOM_POOL="$withval";
1540                         AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1541                 fi
1542         ],
1543         [
1544                 # Check for random device
1545                 AC_CHECK_FILE("/dev/urandom",
1546                         [
1547                                 RANDOM_POOL="/dev/urandom";
1548                                 AC_SUBST(RANDOM_POOL)
1549                                 AC_DEFINE_UNQUOTED(RANDOM_POOL, "$RANDOM_POOL")
1550                         ]
1551                 )
1552         ]
1553 )
1554
1555 # Check for PRNGD/EGD pool file
1556 AC_ARG_WITH(prngd-port,
1557         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD localhost:PORT],
1558         [
1559                 if test ! -z "$withval" -a "x$withval" != "xno" ; then
1560                         PRNGD_PORT="$withval"
1561                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
1562                 fi
1563         ]
1564 )
1565
1566 # Check for PRNGD/EGD pool file
1567 AC_ARG_WITH(prngd-socket,
1568         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1569         [
1570                 if test "x$withval" != "xno" ; then
1571                         PRNGD_SOCKET="$withval"
1572                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1573                 fi
1574         ],
1575         [
1576                 # Check for existing socket only if we don't have a random device already
1577                 if test -z "$RANDOM_POOL" ; then
1578                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1579                         # Insert other locations here
1580                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1581                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1582                                         PRNGD_SOCKET="$sock"
1583                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1584                                         break;
1585                                 fi
1586                         done
1587                         if test ! -z "$PRNGD_SOCKET" ; then
1588                                 AC_MSG_RESULT($PRNGD_SOCKET)
1589                         else
1590                                 AC_MSG_RESULT(not found)
1591                         fi
1592                 fi
1593         ]
1594 )
1595
1596
1597 # detect pathnames for entropy gathering commands, if we need them
1598 INSTALL_SSH_PRNG_CMDS=""
1599 rm -f prng_commands
1600 if (test -z "$RANDOM_POOL" && test -z "$PRNGD") ; then
1601         INSTALL_SSH_PRNG_CMDS="yes"
1602 fi
1603 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1604
1605 # These programs are used to gather entropy from
1606 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1607 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1608 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1609 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1610 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
1611 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1612 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
1613 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1614 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1615 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1616 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1617 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1618 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1619 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1620 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1621 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1622
1623
1624 AC_ARG_WITH(mantype,
1625         [  --with-mantype=man|cat|doc  Set man page type],
1626         [
1627                 case "$withval" in
1628                 man|cat|doc)
1629                         MANTYPE=$withval
1630                         ;;
1631                 *)
1632                         AC_MSG_ERROR(invalid man type: $withval)
1633                         ;;
1634                 esac
1635         ]
1636 )
1637 if test -z "$MANTYPE"; then
1638         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, /usr/bin:/usr/ucb)
1639         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
1640                 MANTYPE=doc
1641         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
1642                 MANTYPE=man
1643         else
1644                 MANTYPE=cat
1645         fi
1646 fi
1647 AC_SUBST(MANTYPE)
1648 if test "$MANTYPE" = "doc"; then
1649         mansubdir=man;
1650 else
1651         mansubdir=$MANTYPE;
1652 fi
1653 AC_SUBST(mansubdir)
1654
1655 # Check whether to enable MD5 passwords
1656 MD5_MSG="no"
1657 AC_ARG_WITH(md5-passwords,
1658         [  --with-md5-passwords    Enable use of MD5 passwords],
1659         [
1660                 if test "x$withval" != "xno" ; then
1661                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1662                         MD5_MSG="yes"
1663                 fi
1664         ]
1665 )
1666
1667 # Whether to disable shadow password support
1668 AC_ARG_WITH(shadow,
1669         [  --without-shadow        Disable shadow password support],
1670         [
1671                 if test "x$withval" = "xno" ; then
1672                         AC_DEFINE(DISABLE_SHADOW)
1673                         disable_shadow=yes
1674                 fi
1675         ]
1676 )
1677
1678 if test -z "$disable_shadow" ; then
1679         AC_MSG_CHECKING([if the systems has expire shadow information])
1680         AC_TRY_COMPILE(
1681         [
1682 #include <sys/types.h>
1683 #include <shadow.h>
1684         struct spwd sp;
1685         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1686         [ sp_expire_available=yes ], []
1687         )
1688
1689         if test "x$sp_expire_available" = "xyes" ; then
1690                 AC_MSG_RESULT(yes)
1691                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1692         else
1693                 AC_MSG_RESULT(no)
1694         fi
1695 fi
1696
1697 # Use ip address instead of hostname in $DISPLAY
1698 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1699         DISPLAY_HACK_MSG="yes"
1700         AC_DEFINE(IPADDR_IN_DISPLAY)
1701 else
1702         DISPLAY_HACK_MSG="no"
1703         AC_ARG_WITH(ipaddr-display,
1704                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1705                 [
1706                         if test "x$withval" != "xno" ; then
1707                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1708                                 DISPLAY_HACK_MSG="yes"
1709                         fi
1710                 ]
1711         )
1712 fi
1713
1714 # Whether to mess with the default path
1715 SERVER_PATH_MSG="(default)"
1716 AC_ARG_WITH(default-path,
1717         [  --with-default-path=PATH Specify default \$PATH environment for server],
1718         [
1719                 if test "x$withval" != "xno" ; then
1720                         user_path="$withval"
1721                         SERVER_PATH_MSG="$withval"
1722                 fi
1723         ],
1724         [
1725         AC_TRY_RUN(
1726                 [
1727 /* find out what STDPATH is */
1728 #include <stdio.h>
1729 #ifdef HAVE_PATHS_H
1730 # include <paths.h>
1731 #endif
1732 #ifndef _PATH_STDPATH
1733 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
1734 #endif
1735 #include <sys/types.h>
1736 #include <sys/stat.h>
1737 #include <fcntl.h>
1738 #define DATA "conftest.stdpath"
1739
1740 main()
1741 {
1742         FILE *fd;
1743         int rc;
1744
1745         fd = fopen(DATA,"w");
1746         if(fd == NULL)
1747                 exit(1);
1748
1749         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
1750                 exit(1);
1751
1752         exit(0);
1753 }
1754                 ], [ user_path=`cat conftest.stdpath` ],
1755                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
1756                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
1757         )
1758 # make sure $bindir is in USER_PATH so scp will work
1759                 t_bindir=`eval echo ${bindir}`
1760                 case $t_bindir in
1761                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
1762                 esac
1763                 case $t_bindir in
1764                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
1765                 esac
1766                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
1767                 if test $? -ne 0  ; then
1768                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
1769                         if test $? -ne 0  ; then
1770                                 user_path=$user_path:$t_bindir
1771                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
1772                         fi
1773                 fi
1774         ]
1775 )
1776 AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
1777 AC_SUBST(user_path)
1778
1779 # Whether to force IPv4 by default (needed on broken glibc Linux)
1780 IPV4_HACK_MSG="no"
1781 AC_ARG_WITH(ipv4-default,
1782         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
1783         [
1784                 if test "x$withval" != "xno" ; then
1785                         AC_DEFINE(IPV4_DEFAULT)
1786                         IPV4_HACK_MSG="yes"
1787                 fi
1788         ]
1789 )
1790
1791 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
1792 IPV4_IN6_HACK_MSG="no"
1793 AC_ARG_WITH(4in6,
1794         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
1795         [
1796                 if test "x$withval" != "xno" ; then
1797                         AC_MSG_RESULT(yes)
1798                         AC_DEFINE(IPV4_IN_IPV6)
1799                         IPV4_IN6_HACK_MSG="yes"
1800                 else
1801                         AC_MSG_RESULT(no)
1802                 fi
1803         ],[
1804                 if test "x$inet6_default_4in6" = "xyes"; then
1805                         AC_MSG_RESULT([yes (default)])
1806                         AC_DEFINE(IPV4_IN_IPV6)
1807                         IPV4_IN6_HACK_MSG="yes"
1808                 else
1809                         AC_MSG_RESULT([no (default)])
1810                 fi
1811         ]
1812 )
1813
1814 # Whether to enable BSD auth support
1815 AC_ARG_WITH(bsd-auth,
1816         [  --with-bsd-auth         Enable BSD auth support],
1817         [
1818                 if test "x$withval" != "xno" ; then
1819                         AC_DEFINE(BSD_AUTH)
1820                         bsd_auth=yes
1821                 fi
1822         ]
1823 )
1824
1825 AC_MSG_CHECKING(whether to install ssh as suid root)
1826 AC_ARG_ENABLE(suid-ssh,
1827 [  --enable-suid-ssh       Install ssh as suid root (default)
1828   --disable-suid-ssh      Install ssh without suid bit],
1829 [ case "$enableval" in
1830   no)
1831        AC_MSG_RESULT(no)
1832        SSHMODE=0711
1833        ;;
1834   *)   AC_MSG_RESULT(yes)
1835        SSHMODE=4711
1836        ;;
1837   esac ],
1838   AC_MSG_RESULT(yes)
1839   SSHMODE=4711
1840 )
1841 AC_SUBST(SSHMODE)
1842
1843
1844 # Where to place sshd.pid
1845 piddir=/var/run
1846 AC_ARG_WITH(pid-dir,
1847         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
1848         [
1849                 if test "x$withval" != "xno" ; then
1850                         piddir=$withval
1851                 fi
1852         ]
1853 )
1854
1855 # make sure the directory exists
1856 if test ! -d $piddir ; then
1857         piddir=`eval echo ${sysconfdir}`
1858         case $piddir in
1859                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
1860         esac
1861 fi
1862
1863 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
1864 AC_SUBST(piddir)
1865
1866 dnl allow user to disable some login recording features
1867 AC_ARG_ENABLE(lastlog,
1868         [  --disable-lastlog       disable use of lastlog even if detected [no]],
1869         [ AC_DEFINE(DISABLE_LASTLOG) ]
1870 )
1871 AC_ARG_ENABLE(utmp,
1872         [  --disable-utmp          disable use of utmp even if detected [no]],
1873         [ AC_DEFINE(DISABLE_UTMP) ]
1874 )
1875 AC_ARG_ENABLE(utmpx,
1876         [  --disable-utmpx         disable use of utmpx even if detected [no]],
1877         [ AC_DEFINE(DISABLE_UTMPX) ]
1878 )
1879 AC_ARG_ENABLE(wtmp,
1880         [  --disable-wtmp          disable use of wtmp even if detected [no]],
1881         [ AC_DEFINE(DISABLE_WTMP) ]
1882 )
1883 AC_ARG_ENABLE(wtmpx,
1884         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
1885         [ AC_DEFINE(DISABLE_WTMPX) ]
1886 )
1887 AC_ARG_ENABLE(libutil,
1888         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
1889         [ AC_DEFINE(DISABLE_LOGIN) ]
1890 )
1891 AC_ARG_ENABLE(pututline,
1892         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
1893         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
1894 )
1895 AC_ARG_ENABLE(pututxline,
1896         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
1897         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
1898 )
1899 AC_ARG_WITH(lastlog,
1900   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
1901         [
1902                 if test "x$withval" = "xno" ; then
1903                         AC_DEFINE(DISABLE_LASTLOG)
1904                 else
1905                         conf_lastlog_location=$withval
1906                 fi
1907         ]
1908 )
1909
1910 dnl lastlog, [uw]tmpx? detection
1911 dnl  NOTE: set the paths in the platform section to avoid the
1912 dnl   need for command-line parameters
1913 dnl lastlog and [uw]tmp are subject to a file search if all else fails
1914
1915 dnl lastlog detection
1916 dnl  NOTE: the code itself will detect if lastlog is a directory
1917 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
1918 AC_TRY_COMPILE([
1919 #include <sys/types.h>
1920 #include <utmp.h>
1921 #ifdef HAVE_LASTLOG_H
1922 #  include <lastlog.h>
1923 #endif
1924 #ifdef HAVE_PATHS_H
1925 #  include <paths.h>
1926 #endif
1927 #ifdef HAVE_LOGIN_H
1928 # include <login.h>
1929 #endif
1930         ],
1931         [ char *lastlog = LASTLOG_FILE; ],
1932         [ AC_MSG_RESULT(yes) ],
1933         [
1934                 AC_MSG_RESULT(no)
1935                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
1936                 AC_TRY_COMPILE([
1937 #include <sys/types.h>
1938 #include <utmp.h>
1939 #ifdef HAVE_LASTLOG_H
1940 #  include <lastlog.h>
1941 #endif
1942 #ifdef HAVE_PATHS_H
1943 #  include <paths.h>
1944 #endif
1945                 ],
1946                 [ char *lastlog = _PATH_LASTLOG; ],
1947                 [ AC_MSG_RESULT(yes) ],
1948                 [
1949                         AC_MSG_RESULT(no)
1950                         system_lastlog_path=no
1951                 ])
1952         ]
1953 )
1954
1955 if test -z "$conf_lastlog_location"; then
1956         if test x"$system_lastlog_path" = x"no" ; then
1957                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
1958                                 if (test -d "$f" || test -f "$f") ; then
1959                                         conf_lastlog_location=$f
1960                                 fi
1961                 done
1962                 if test -z "$conf_lastlog_location"; then
1963                         AC_MSG_WARN([** Cannot find lastlog **])
1964                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
1965                 fi
1966         fi
1967 fi
1968
1969 if test -n "$conf_lastlog_location"; then
1970         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
1971 fi
1972
1973 dnl utmp detection
1974 AC_MSG_CHECKING([if your system defines UTMP_FILE])
1975 AC_TRY_COMPILE([
1976 #include <sys/types.h>
1977 #include <utmp.h>
1978 #ifdef HAVE_PATHS_H
1979 #  include <paths.h>
1980 #endif
1981         ],
1982         [ char *utmp = UTMP_FILE; ],
1983         [ AC_MSG_RESULT(yes) ],
1984         [ AC_MSG_RESULT(no)
1985           system_utmp_path=no ]
1986 )
1987 if test -z "$conf_utmp_location"; then
1988         if test x"$system_utmp_path" = x"no" ; then
1989                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
1990                         if test -f $f ; then
1991                                 conf_utmp_location=$f
1992                         fi
1993                 done
1994                 if test -z "$conf_utmp_location"; then
1995                         AC_DEFINE(DISABLE_UTMP)
1996                 fi
1997         fi
1998 fi
1999 if test -n "$conf_utmp_location"; then
2000         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
2001 fi
2002
2003 dnl wtmp detection
2004 AC_MSG_CHECKING([if your system defines WTMP_FILE])
2005 AC_TRY_COMPILE([
2006 #include <sys/types.h>
2007 #include <utmp.h>
2008 #ifdef HAVE_PATHS_H
2009 #  include <paths.h>
2010 #endif
2011         ],
2012         [ char *wtmp = WTMP_FILE; ],
2013         [ AC_MSG_RESULT(yes) ],
2014         [ AC_MSG_RESULT(no)
2015           system_wtmp_path=no ]
2016 )
2017 if test -z "$conf_wtmp_location"; then
2018         if test x"$system_wtmp_path" = x"no" ; then
2019                 for f in /usr/adm/wtmp /var/log/wtmp; do
2020                         if test -f $f ; then
2021                                 conf_wtmp_location=$f
2022                         fi
2023                 done
2024                 if test -z "$conf_wtmp_location"; then
2025                         AC_DEFINE(DISABLE_WTMP)
2026                 fi
2027         fi
2028 fi
2029 if test -n "$conf_wtmp_location"; then
2030         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
2031 fi
2032
2033
2034 dnl utmpx detection - I don't know any system so perverse as to require
2035 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
2036 dnl  there, though.
2037 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
2038 AC_TRY_COMPILE([
2039 #include <sys/types.h>
2040 #include <utmp.h>
2041 #ifdef HAVE_UTMPX_H
2042 #include <utmpx.h>
2043 #endif
2044 #ifdef HAVE_PATHS_H
2045 #  include <paths.h>
2046 #endif
2047         ],
2048         [ char *utmpx = UTMPX_FILE; ],
2049         [ AC_MSG_RESULT(yes) ],
2050         [ AC_MSG_RESULT(no)
2051           system_utmpx_path=no ]
2052 )
2053 if test -z "$conf_utmpx_location"; then
2054         if test x"$system_utmpx_path" = x"no" ; then
2055                 AC_DEFINE(DISABLE_UTMPX)
2056         fi
2057 else
2058         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
2059 fi
2060
2061 dnl wtmpx detection
2062 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
2063 AC_TRY_COMPILE([
2064 #include <sys/types.h>
2065 #include <utmp.h>
2066 #ifdef HAVE_UTMPX_H
2067 #include <utmpx.h>
2068 #endif
2069 #ifdef HAVE_PATHS_H
2070 #  include <paths.h>
2071 #endif
2072         ],
2073         [ char *wtmpx = WTMPX_FILE; ],
2074         [ AC_MSG_RESULT(yes) ],
2075         [ AC_MSG_RESULT(no)
2076           system_wtmpx_path=no ]
2077 )
2078 if test -z "$conf_wtmpx_location"; then
2079         if test x"$system_wtmpx_path" = x"no" ; then
2080                 AC_DEFINE(DISABLE_WTMPX)
2081         fi
2082 else
2083         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
2084 fi
2085
2086
2087 # Change default command timeout for builtin PRNG
2088 entropy_timeout=200
2089 AC_ARG_WITH(entropy-timeout,
2090         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
2091         [
2092                 if test "x$withval" != "xno" ; then
2093                         entropy_timeout=$withval
2094                 fi
2095         ]
2096 )
2097 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
2098
2099
2100 if test ! -z "$blibpath" ; then
2101         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
2102         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
2103 fi
2104
2105 AC_EXEEXT
2106
2107 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
2108 AC_OUTPUT
2109
2110 # Print summary of options
2111
2112 if test ! -z "$RANDOM_POOL" ; then
2113         RAND_MSG="Device ($RANDOM_POOL)"
2114 else
2115         if test ! -z "$PRNGD_PORT" ; then
2116                 RAND_MSG="PRNGD/EGD (port localhost:$PRNGD_PORT)"
2117         elif test ! -z "$PRNGD_SOCKET" ; then
2118                 RAND_MSG="PRNGD/EGD (socket $PRNGD_SOCKET)"
2119         else
2120                 RAND_MSG="Builtin (timeout $entropy_timeout)"
2121                 BUILTIN_RNG=1
2122         fi
2123 fi
2124
2125 # Someone please show me a better way :)
2126 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
2127 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
2128 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
2129 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
2130 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
2131 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
2132 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
2133 H=`eval echo ${user_path}` ; H=`eval echo ${H}`
2134
2135 echo ""
2136 echo "OpenSSH has been configured with the following options:"
2137 echo "                 User binaries: $B"
2138 echo "               System binaries: $C"
2139 echo "           Configuration files: $D"
2140 echo "               Askpass program: $E"
2141 echo "                  Manual pages: $F"
2142 echo "                      PID file: $G"
2143 echo "        sshd default user PATH: $H"
2144 echo "      Random number collection: $RAND_MSG"
2145 echo "                Manpage format: $MANTYPE"
2146 echo "                   PAM support: ${PAM_MSG}"
2147 echo "            KerberosIV support: $KRB4_MSG"
2148 echo "             Smartcard support: $SCARD_MSG"
2149 echo "                   AFS support: $AFS_MSG"
2150 echo "                 S/KEY support: $SKEY_MSG"
2151 echo "          TCP Wrappers support: $TCPW_MSG"
2152 echo "          MD5 password support: $MD5_MSG"
2153 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
2154 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
2155 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
2156
2157 if test ! -z "$bsd_auth"; then
2158         echo "              BSD Auth support: yes"
2159 fi
2160
2161 echo ""
2162
2163 echo "              Host: ${host}"
2164 echo "          Compiler: ${CC}"
2165 echo "    Compiler flags: ${CFLAGS}"
2166 echo "Preprocessor flags: ${CPPFLAGS}"
2167 echo "      Linker flags: ${LDFLAGS}"
2168 echo "         Libraries: ${LIBS}"
2169
2170 echo ""
2171
2172 if test "x$PAM_MSG" = "xyes" ; then
2173         echo "PAM is enabled. You may need to install a PAM control file for sshd,"
2174         echo "otherwise password authentication may fail. Example PAM control files"
2175         echo "can be found in the contrib/ subdirectory"
2176         echo ""
2177 fi
2178
2179 if test ! -z "$BUILTIN_RNG" ; then
2180         echo "WARNING: you are using the builtin random number collection service."
2181         echo "Please read WARNING.RNG and request that your OS vendor includes"
2182         echo "/dev/random in future versions of their OS."
2183         echo ""
2184 fi
2185
2186 if test ! -z "$NO_SFTP"; then
2187         echo "sftp-server will be disabled.  Your compiler does not support"
2188         echo "64bit integers."
2189         echo ""
2190 fi
2191