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_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         ;;
 131 *-*-netbsd*)
 132         need_dash_r=1
 133         ;;
 134 *-*-freebsd*)
 135         check_for_libcrypt_later=1
 136         ;;
 137 *-next-*)
 138         conf_lastlog_location="/usr/adm/lastlog"
 139         conf_utmp_location=/etc/utmp
 140         conf_wtmp_location=/usr/adm/wtmp
 141         MAIL=/usr/spool/mail
 142         AC_DEFINE(HAVE_NEXT)
 143         AC_DEFINE(BROKEN_REALPATH)
 144         AC_DEFINE(USE_PIPES)
 145         AC_DEFINE(BROKEN_SAVED_UIDS)
 146         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 147         CFLAGS="$CFLAGS"
 148         ;;
 149 *-*-solaris*)
 150         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 151         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 152         need_dash_r=1
 153         AC_DEFINE(PAM_SUN_CODEBASE)
 154         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 155         AC_DEFINE(LOGIN_NEEDS_TERM)
 156         AC_DEFINE(PAM_TTY_KLUDGE)
 157         # hardwire lastlog location (can't detect it on some versions)
 158         conf_lastlog_location="/var/adm/lastlog"
 159         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 160         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 161         if test "$sol2ver" -ge 8; then
 162                 AC_MSG_RESULT(yes)
 163                 AC_DEFINE(DISABLE_UTMP)
 164                 AC_DEFINE(DISABLE_WTMP)
 165         else
 166                 AC_MSG_RESULT(no)
 167         fi
 168         ;;
 169 *-*-sunos4*)
 170         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 171         AC_CHECK_FUNCS(getpwanam)
 172         AC_DEFINE(PAM_SUN_CODEBASE)
 173         conf_utmp_location=/etc/utmp
 174         conf_wtmp_location=/var/adm/wtmp
 175         conf_lastlog_location=/var/adm/lastlog
 176         AC_DEFINE(USE_PIPES)
 177         ;;
 178 *-ncr-sysv*)
 179         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 180         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 181         LIBS="$LIBS -lc89"
 182         AC_DEFINE(USE_PIPES)
 183         ;;
 184 *-sni-sysv*)
 185         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 186         # /usr/ucblib MUST NOT be searched on ReliantUNIX
 187         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 188         IPADDR_IN_DISPLAY=yes
 189         AC_DEFINE(USE_PIPES)
 190         AC_DEFINE(IP_TOS_IS_BROKEN)
 191         # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
 192         # Attention: always take care to bind libsocket and libnsl before libc,
 193         # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
 194         ;;
 195 *-*-sysv4.2*)
 196         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 197         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 198 #       enable_suid_ssh=no
 199         AC_DEFINE(USE_PIPES)
 200         ;;
 201 *-*-sysv5*)
 202         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 203         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 204 #       enable_suid_ssh=no
 205         AC_DEFINE(USE_PIPES)
 206         ;;
 207 *-*-sysv*)
 208         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 209         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 210         ;;
 211 *-*-sco3.2v4*)
 212         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 213         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 214         LIBS="$LIBS -los -lprot -lx -ltinfo -lm"
 215         rsh_path="/usr/bin/rcmd"
 216         RANLIB=true
 217         no_dev_ptmx=1
 218         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 219         AC_DEFINE(USE_PIPES)
 220         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 221         AC_DEFINE(DISABLE_SHADOW)
 222         AC_DEFINE(BROKEN_SAVED_UIDS)
 223         AC_CHECK_FUNCS(getluid setluid)
 224         MANTYPE=man
 225         do_sco3_extra_lib_check=yes
 226         ;;
 227 *-*-sco3.2v5*)
 228         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 229         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 230         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 231         no_dev_ptmx=1
 232         rsh_path="/usr/bin/rcmd"
 233         AC_DEFINE(USE_PIPES)
 234         AC_DEFINE(HAVE_SCO_PROTECTED_PW)
 235         AC_DEFINE(DISABLE_SHADOW)
 236         AC_CHECK_FUNCS(getluid setluid)
 237         MANTYPE=man
 238         ;;
 239 *-*-unicos*)
 240         no_libsocket=1
 241         no_libnsl=1
 242         AC_DEFINE(USE_PIPES)
 243         LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal,-L/usr/local/lib"
 244         LIBS="$LIBS -lgen -lrsc"
 245         ;;
 246 *-dec-osf*)
 247         AC_MSG_CHECKING(for Digital Unix SIA)
 248         no_osfsia=""
 249         AC_ARG_WITH(osfsia,
 250                 [  --with-osfsia           Enable Digital Unix SIA],
 251                 [
 252                         if test "x$withval" = "xno" ; then
 253                                 AC_MSG_RESULT(disabled)
 254                                 no_osfsia=1
 255                         fi
 256                 ],
 257         )
 258         if test -z "$no_osfsia" ; then
 259                 if test -f /etc/sia/matrix.conf; then
 260                         AC_MSG_RESULT(yes)
 261                         AC_DEFINE(HAVE_OSF_SIA)
 262                         AC_DEFINE(DISABLE_LOGIN)
 263                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 264                 else
 265                         AC_MSG_RESULT(no)
 266                 fi
 267         fi
 268         ;;
 269
 270 *-*-nto-qnx)
 271         AC_DEFINE(USE_PIPES)
 272         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 273         AC_DEFINE(MISSING_NFDBITS)
 274         AC_DEFINE(MISSING_HOWMANY)
 275         AC_DEFINE(MISSING_FD_MASK)
 276         ;;
 277 esac
 278
 279 # Allow user to specify flags
 280 AC_ARG_WITH(cflags,
 281         [  --with-cflags           Specify additional flags to pass to compiler],
 282         [
 283                 if test "x$withval" != "xno" ; then
 284                         CFLAGS="$CFLAGS $withval"
 285                 fi
 286         ]
 287 )
 288 AC_ARG_WITH(cppflags,
 289         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 290         [
 291                 if test "x$withval" != "xno"; then
 292                         CPPFLAGS="$CPPFLAGS $withval"
 293                 fi
 294         ]
 295 )
 296 AC_ARG_WITH(ldflags,
 297         [  --with-ldflags          Specify additional flags to pass to linker],
 298         [
 299                 if test "x$withval" != "xno" ; then
 300                         LDFLAGS="$LDFLAGS $withval"
 301                 fi
 302         ]
 303 )
 304 AC_ARG_WITH(libs,
 305         [  --with-libs             Specify additional libraries to link with],
 306         [
 307                 if test "x$withval" != "xno" ; then
 308                         LIBS="$LIBS $withval"
 309                 fi
 310         ]
 311 )
 312
 313 # Checks for header files.
 314 AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \
 315         getopt.h glob.h lastlog.h limits.h login.h \
 316         login_cap.h maillock.h netdb.h netgroup.h \
 317         netinet/in_systm.h paths.h pty.h \
 318         rpc/types.h security/pam_appl.h shadow.h stddef.h stdint.h \
 319         strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
 320         sys/mman.h sys/select.h sys/stat.h \
 321         sys/stropts.h sys/sysmacros.h sys/time.h \
 322         sys/un.h time.h ttyent.h usersec.h \
 323         util.h utime.h utmp.h utmpx.h)
 324
 325 # Checks for libraries.
 326 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
 327 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
 328
 329 dnl SCO OS3 needs this for libwrap
 330 if test "x$with_tcp_wrappers" != "xno" ; then
 331     if test "x$do_sco3_extra_lib_check" = "xyes" ; then
 332         AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 333     fi
 334 fi
 335
 336 AC_CHECK_FUNC(getspnam, ,
 337         AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
 338
 339 AC_ARG_WITH(rpath,
 340         [  --without-rpath         Disable auto-added -R linker paths],
 341         [
 342                 if test "x$withval" = "xno" ; then
 343                         need_dash_r=""
 344                 fi
 345                 if test "x$withval" = "xyes" ; then
 346                         need_dash_r=1
 347                 fi
 348         ]
 349 )
 350
 351 dnl zlib is required
 352 AC_ARG_WITH(zlib,
 353         [  --with-zlib=PATH        Use zlib in PATH],
 354         [
 355                 if test "x$withval" = "xno" ; then
 356                         AC_MSG_ERROR([*** zlib is required ***])
 357                 fi
 358                 if test -d "$withval/lib"; then
 359                         if test -n "${need_dash_r}"; then
 360                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 361                         else
 362                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 363                         fi
 364                 else
 365                         if test -n "${need_dash_r}"; then
 366                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 367                         else
 368                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 369                         fi
 370                 fi
 371                 if test -d "$withval/include"; then
 372                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 373                 else
 374                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 375                 fi
 376         ]
 377 )
 378
 379 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 380
 381 dnl UnixWare 2.x
 382 AC_CHECK_FUNC(strcasecmp,
 383         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 384 )
 385 AC_CHECK_FUNC(utimes,
 386         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 387 )
 388
 389 dnl    Checks for libutil functions
 390 AC_CHECK_HEADERS(libutil.h)
 391 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN)])
 392 AC_CHECK_FUNCS(logout updwtmp logwtmp)
 393
 394 AC_FUNC_STRFTIME
 395
 396 # Check for ALTDIRFUNC glob() extension
 397 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 398 AC_EGREP_CPP(FOUNDIT,
 399         [
 400                 #include <glob.h>
 401                 #ifdef GLOB_ALTDIRFUNC
 402                 FOUNDIT
 403                 #endif
 404         ],
 405         [
 406                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 407                 AC_MSG_RESULT(yes)
 408         ],
 409         [
 410                 AC_MSG_RESULT(no)
 411         ]
 412 )
 413
 414 # Check for g.gl_matchc glob() extension
 415 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 416 AC_EGREP_CPP(FOUNDIT,
 417         [
 418                 #include <glob.h>
 419                 int main(void){glob_t g; g.gl_matchc = 1;}
 420         ],
 421         [
 422                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 423                 AC_MSG_RESULT(yes)
 424         ],
 425         [
 426                 AC_MSG_RESULT(no)
 427         ]
 428 )
 429
 430 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 431 AC_TRY_RUN(
 432         [
 433 #include <sys/types.h>
 434 #include <dirent.h>
 435 int main(void){struct dirent d;return(sizeof(d.d_name)<=sizeof(char));}
 436         ],
 437         [AC_MSG_RESULT(yes)],
 438         [
 439                 AC_MSG_RESULT(no)
 440                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 441         ]
 442 )
 443
 444 # Check whether user wants S/Key support
 445 SKEY_MSG="no"
 446 AC_ARG_WITH(skey,
 447         [  --with-skey[[=PATH]]      Enable S/Key support
 448                             (optionally in PATH)],
 449         [
 450                 if test "x$withval" != "xno" ; then
 451
 452                         if test "x$withval" != "xyes" ; then
 453                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 454                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 455                         fi
 456
 457                         AC_DEFINE(SKEY)
 458                         LIBS="-lskey $LIBS"
 459                         SKEY_MSG="yes"
 460
 461                         AC_MSG_CHECKING([for s/key support])
 462                         AC_TRY_RUN(
 463                                 [
 464 #include <stdio.h>
 465 #include <skey.h>
 466 int main() { char *ff = skey_keyinfo(""); ff=""; return 0; }
 467                                 ],
 468                                 [AC_MSG_RESULT(yes)],
 469                                 [
 470                                         AC_MSG_RESULT(no)
 471                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 472                                 ])
 473                 fi
 474         ]
 475 )
 476
 477 # Check whether user wants TCP wrappers support
 478 TCPW_MSG="no"
 479 AC_ARG_WITH(tcp-wrappers,
 480         [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
 481                             (optionally in PATH)],
 482         [
 483                 if test "x$withval" != "xno" ; then
 484                         saved_LIBS="$LIBS"
 485                         saved_LDFLAGS="$LDFLAGS"
 486                         saved_CPPFLAGS="$CPPFLAGS"
 487                         if test -n "${withval}" -a "${withval}" != "yes"; then
 488                                 if test -d "${withval}/lib"; then
 489                                         if test -n "${need_dash_r}"; then
 490                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 491                                         else
 492                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 493                                         fi
 494                                 else
 495                                         if test -n "${need_dash_r}"; then
 496                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 497                                         else
 498                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 499                                         fi
 500                                 fi
 501                                 if test -d "${withval}/include"; then
 502                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 503                                 else
 504                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 505                                 fi
 506                         fi
 507                         LIBWRAP="-lwrap"
 508                         LIBS="$LIBWRAP $LIBS"
 509                         AC_MSG_CHECKING(for libwrap)
 510                         AC_TRY_LINK(
 511                                 [
 512 #include <tcpd.h>
 513                                         int deny_severity = 0, allow_severity = 0;
 514                                 ],
 515                                 [hosts_access(0);],
 516                                 [
 517                                         AC_MSG_RESULT(yes)
 518                                         AC_DEFINE(LIBWRAP)
 519                                         AC_SUBST(LIBWRAP)
 520                                         TCPW_MSG="yes"
 521                                 ],
 522                                 [
 523                                         AC_MSG_ERROR([*** libwrap missing])
 524                                 ]
 525                         )
 526                         LIBS="$saved_LIBS"
 527                 fi
 528         ]
 529 )
 530
 531 dnl    Checks for library functions.
 532 AC_CHECK_FUNCS(arc4random b64_ntop bcopy bindresvport_sa \
 533         clock fchmod fchown freeaddrinfo futimes gai_strerror \
 534         getaddrinfo getcwd getgrouplist getnameinfo getopt \
 535         getrlimit getrusage getttyent glob inet_aton inet_ntoa \
 536         inet_ntop innetgr login_getcapbool md5_crypt memmove \
 537         mkdtemp mmap openpty readpassphrase realpath \
 538         rresvport_af setdtablesize setegid setenv seteuid \
 539         setlogin setproctitle setresgid setreuid setrlimit \
 540         setsid setvbuf sigaction sigvec snprintf strerror \
 541         strlcat strlcpy strmode strsep sysconf tcgetpgrp utimes \
 542         vhangup vsnprintf waitpid __b64_ntop _getpty)
 543
 544 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 545 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 546         AC_CHECK_LIB(gen, dirname,[
 547                 AC_CACHE_CHECK([for broken dirname],
 548                         ac_cv_have_broken_dirname, [
 549                         save_LIBS="$LIBS"
 550                         LIBS="$LIBS -lgen"
 551                         AC_TRY_RUN(
 552                                 [
 553 #include <libgen.h>
 554 #include <string.h>
 555
 556 int main(int argc, char **argv) {
 557     char *s, buf[32];
 558
 559     strncpy(buf,"/etc", 32);
 560     s = dirname(buf);
 561     if (!s || strncmp(s, "/", 32) != 0) {
 562         exit(1);
 563     } else {
 564         exit(0);
 565     }
 566 }
 567                                 ],
 568                                 [ ac_cv_have_broken_dirname="no" ],
 569                                 [ ac_cv_have_broken_dirname="yes" ]
 570                         )
 571                         LIBS="$save_LIBS"
 572                 ])
 573                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 574                         LIBS="$LIBS -lgen"
 575                         AC_DEFINE(HAVE_DIRNAME)
 576                         AC_CHECK_HEADERS(libgen.h)
 577                 fi
 578         ])
 579 ])
 580
 581 dnl    Checks for time functions
 582 AC_CHECK_FUNCS(gettimeofday time)
 583 dnl    Checks for utmp functions
 584 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 585 AC_CHECK_FUNCS(utmpname)
 586 dnl    Checks for utmpx functions
 587 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 588 AC_CHECK_FUNCS(setutxent utmpxname)
 589
 590 AC_CHECK_FUNC(getuserattr,
 591         [AC_DEFINE(HAVE_GETUSERATTR)],
 592         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 593 )
 594
 595 AC_CHECK_FUNC(daemon,
 596         [AC_DEFINE(HAVE_DAEMON)],
 597         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 598 )
 599
 600 AC_CHECK_FUNC(getpagesize,
 601         [AC_DEFINE(HAVE_GETPAGESIZE)],
 602         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 603 )
 604
 605 # Check for broken snprintf
 606 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 607         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 608         AC_TRY_RUN(
 609                 [
 610 #include <stdio.h>
 611 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 612                 ],
 613                 [AC_MSG_RESULT(yes)],
 614                 [
 615                         AC_MSG_RESULT(no)
 616                         AC_DEFINE(BROKEN_SNPRINTF)
 617                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 618                 ]
 619         )
 620 fi
 621
 622 AC_FUNC_GETPGRP
 623
 624 # Check for PAM libs
 625 PAM_MSG="no"
 626 AC_ARG_WITH(pam,
 627         [  --with-pam              Enable PAM support ],
 628         [
 629                 if test "x$withval" != "xno" ; then
 630                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 631                                 AC_MSG_ERROR([PAM headers not found])
 632                         fi
 633
 634                         AC_CHECK_LIB(dl, dlopen, , )
 635                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 636                         AC_CHECK_FUNCS(pam_getenvlist)
 637
 638                         disable_shadow=yes
 639                         PAM_MSG="yes"
 640
 641                         AC_DEFINE(USE_PAM)
 642                         if test $ac_cv_lib_dl_dlopen = yes; then
 643                                 LIBPAM="-lpam -ldl"
 644                         else
 645                                 LIBPAM="-lpam"
 646                         fi
 647                         AC_SUBST(LIBPAM)
 648                 fi
 649         ]
 650 )
 651
 652 # Check for older PAM
 653 if test "x$PAM_MSG" = "xyes" ; then
 654         # Check PAM strerror arguments (old PAM)
 655         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 656         AC_TRY_COMPILE(
 657                 [
 658 #include <stdlib.h>
 659 #include <security/pam_appl.h>
 660                 ],
 661                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 662                 [AC_MSG_RESULT(no)],
 663                 [
 664                         AC_DEFINE(HAVE_OLD_PAM)
 665                         AC_MSG_RESULT(yes)
 666                         PAM_MSG="yes (old library)"
 667                 ]
 668         )
 669 fi
 670
 671 # The big search for OpenSSL
 672 AC_ARG_WITH(ssl-dir,
 673         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 674         [
 675                 if test "x$withval" != "xno" ; then
 676                         tryssldir=$withval
 677                 fi
 678         ]
 679 )
 680
 681 saved_LIBS="$LIBS"
 682 saved_LDFLAGS="$LDFLAGS"
 683 saved_CPPFLAGS="$CPPFLAGS"
 684 if test "x$prefix" != "xNONE" ; then
 685         tryssldir="$tryssldir $prefix"
 686 fi
 687 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
 688         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 689                 CPPFLAGS="$saved_CPPFLAGS"
 690                 LDFLAGS="$saved_LDFLAGS"
 691                 LIBS="$saved_LIBS -lcrypto"
 692
 693                 # Skip directories if they don't exist
 694                 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
 695                         continue;
 696                 fi
 697                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 698                         # Try to use $ssldir/lib if it exists, otherwise
 699                         # $ssldir
 700                         if test -d "$ssldir/lib" ; then
 701                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 702                                 if test ! -z "$need_dash_r" ; then
 703                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
 704                                 fi
 705                         else
 706                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
 707                                 if test ! -z "$need_dash_r" ; then
 708                                         LDFLAGS="-R$ssldir $LDFLAGS"
 709                                 fi
 710                         fi
 711                         # Try to use $ssldir/include if it exists, otherwise
 712                         # $ssldir
 713                         if test -d "$ssldir/include" ; then
 714                                 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 715                         else
 716                                 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 717                         fi
 718                 fi
 719
 720                 # Basic test to check for compatible version and correct linking
 721                 # *does not* test for RSA - that comes later.
 722                 AC_TRY_RUN(
 723                         [
 724 #include <string.h>
 725 #include <openssl/rand.h>
 726 int main(void)
 727 {
 728         char a[2048];
 729         memset(a, 0, sizeof(a));
 730         RAND_add(a, sizeof(a), sizeof(a));
 731         return(RAND_status() <= 0);
 732 }
 733                         ],
 734                         [
 735                                 found_crypto=1
 736                                 break;
 737                         ], []
 738                 )
 739
 740                 if test ! -z "$found_crypto" ; then
 741                         break;
 742                 fi
 743         done
 744
 745         if test -z "$found_crypto" ; then
 746                 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
 747         fi
 748         if test -z "$ssldir" ; then
 749                 ssldir="(system)"
 750         fi
 751
 752         ac_cv_openssldir=$ssldir
 753 ])
 754
 755 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ; then
 756         AC_DEFINE(HAVE_OPENSSL)
 757         dnl Need to recover ssldir - test above runs in subshell
 758         ssldir=$ac_cv_openssldir
 759         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 760                 # Try to use $ssldir/lib if it exists, otherwise
 761                 # $ssldir
 762                 if test -d "$ssldir/lib" ; then
 763                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 764                         if test ! -z "$need_dash_r" ; then
 765                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
 766                         fi
 767                 else
 768                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
 769                         if test ! -z "$need_dash_r" ; then
 770                                 LDFLAGS="-R$ssldir $LDFLAGS"
 771                         fi
 772                 fi
 773                 # Try to use $ssldir/include if it exists, otherwise
 774                 # $ssldir
 775                 if test -d "$ssldir/include" ; then
 776                         CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 777                 else
 778                         CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 779                 fi
 780         fi
 781 fi
 782 LIBS="$saved_LIBS -lcrypto"
 783
 784 # Now test RSA support
 785 saved_LIBS="$LIBS"
 786 AC_MSG_CHECKING([for RSA support])
 787 for WANTS_RSAREF in "" 1 ; do
 788         if test -z "$WANTS_RSAREF" ; then
 789                 LIBS="$saved_LIBS"
 790         else
 791                 LIBS="$saved_LIBS -lRSAglue -lrsaref"
 792         fi
 793         AC_TRY_RUN([
 794 #include <string.h>
 795 #include <openssl/rand.h>
 796 #include <openssl/rsa.h>
 797 #include <openssl/bn.h>
 798 #include <openssl/sha.h>
 799 int main(void)
 800 {
 801         int num; RSA *key; static unsigned char p_in[] = "blahblah";
 802         unsigned char c[256], p[256];
 803         memset(c, 0, sizeof(c)); RAND_add(c, sizeof(c), sizeof(c));
 804         if ((key=RSA_generate_key(512, 3, NULL, NULL))==NULL) return(1);
 805         num = RSA_public_encrypt(sizeof(p_in) - 1, p_in, c, key, RSA_PKCS1_PADDING);
 806         return(-1 == RSA_private_decrypt(num, c, p, key, RSA_PKCS1_PADDING));
 807 }
 808         ],
 809         [
 810                 rsa_works=1
 811                 break;
 812         ], [])
 813 done
 814 LIBS="$saved_LIBS"
 815
 816 if test ! -z "$no_rsa" ; then
 817         AC_MSG_RESULT(disabled)
 818         RSA_MSG="disabled"
 819 else
 820         if test -z "$rsa_works" ; then
 821                 AC_MSG_WARN([*** No RSA support found *** ])
 822                 RSA_MSG="no"
 823         else
 824                 if test -z "$WANTS_RSAREF" ; then
 825                         AC_MSG_RESULT(yes)
 826                         RSA_MSG="yes"
 827                 else
 828                         RSA_MSG="yes (using RSAref)"
 829                         AC_MSG_RESULT(using RSAref)
 830                         LIBS="$LIBS -lcrypto -lRSAglue -lrsaref"
 831                 fi
 832         fi
 833 fi
 834
 835 # Sanity check OpenSSL headers
 836 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
 837 AC_TRY_RUN(
 838         [
 839 #include <string.h>
 840 #include <openssl/opensslv.h>
 841 int main(void) { return(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
 842         ],
 843         [
 844                 AC_MSG_RESULT(yes)
 845         ],
 846         [
 847                 AC_MSG_RESULT(no)
 848                 AC_MSG_ERROR(Your OpenSSL headers do not match your library)
 849         ]
 850 )
 851
 852 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 853 # version in OpenSSL. Skip this for PAM
 854 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 855         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 856 fi
 857
 858
 859 ### Configure cryptographic random number support
 860
 861 # Check wheter OpenSSL seeds itself
 862 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
 863 AC_TRY_RUN(
 864         [
 865 #include <string.h>
 866 #include <openssl/rand.h>
 867 int main(void) { return(RAND_status() == 1 ? 0 : 1); }
 868         ],
 869         [
 870                 OPENSSL_SEEDS_ITSELF=yes
 871                 AC_MSG_RESULT(yes)
 872         ],
 873         [
 874                 AC_MSG_RESULT(no)
 875                 # Default to use of the rand helper if OpenSSL doesn't
 876                 # seed itself
 877                 USE_RAND_HELPER=yes
 878         ]
 879 )
 880
 881
 882 # Do we want to force the use of the rand helper?
 883 AC_ARG_WITH(rand-helper,
 884         [  --with-rand-helper      Use subprocess to gather strong randomness ],
 885         [
 886                 if test "x$withval" = "xno" ; then
 887                         # Force use of OpenSSL's internal RNG, even if
 888                         # the previous test showed it to be unseeded.
 889                         if test -z "$OPENSSL_SEEDS_ITSELF" ; then
 890                                 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
 891                                 OPENSSL_SEEDS_ITSELF=yes
 892                                 USE_RAND_HELPER=""
 893                         fi
 894                 else
 895                         USE_RAND_HELPER=yes
 896                 fi
 897         ],
 898 )
 899
 900 # Which randomness source do we use?
 901 if test ! -z "$OPENSSL_SEEDS_ITSELF" -a -z "$USE_RAND_HELPER" ; then
 902         # OpenSSL only
 903         AC_DEFINE(OPENSSL_PRNG_ONLY)
 904         RAND_MSG="OpenSSL internal ONLY"
 905         INSTALL_SSH_RAND_HELPER=""
 906 elif test ! -z "$USE_RAND_HELPER" ; then
 907         # install rand helper
 908         RAND_MSG="ssh-rand-helper"
 909         INSTALL_SSH_RAND_HELPER="yes"
 910 fi
 911 AC_SUBST(INSTALL_SSH_RAND_HELPER)
 912
 913 ### Configuration of ssh-rand-helper
 914
 915 # PRNGD TCP socket
 916 AC_ARG_WITH(prngd-port,
 917         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD TCP localhost:PORT],
 918         [
 919                 case "$withval" in
 920                 no)
 921                         withval=""
 922                         ;;
 923                 [[0-9]]*)
 924                         ;;
 925                 *)
 926                         AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
 927                         ;;
 928                 esac
 929                 if test ! -z "$withval" ; then
 930                         PRNGD_PORT="$withval"
 931                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
 932                 fi
 933         ]
 934 )
 935
 936 # PRNGD Unix domain socket
 937 AC_ARG_WITH(prngd-socket,
 938         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
 939         [
 940                 case "$withval" in
 941                 yes)
 942                         withval="/var/run/egd-pool"
 943                         ;;
 944                 no)
 945                         withval=""
 946                         ;;
 947                 /*)
 948                         ;;
 949                 *)
 950                         AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
 951                         ;;
 952                 esac
 953
 954                 if test ! -z "$withval" ; then
 955                         if test ! -z "$PRNGD_PORT" ; then
 956                                 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
 957                         fi
 958                         if test ! -r "$withval" ; then
 959                                 AC_MSG_WARN(Entropy socket is not readable)
 960                         fi
 961                         PRNGD_SOCKET="$withval"
 962                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
 963                 fi
 964         ],
 965         [
 966                 # Check for existing socket only if we don't have a random device already
 967                 if test "$USE_RAND_HELPER" = yes ; then
 968                         AC_MSG_CHECKING(for PRNGD/EGD socket)
 969                         # Insert other locations here
 970                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
 971                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
 972                                         PRNGD_SOCKET="$sock"
 973                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
 974                                         break;
 975                                 fi
 976                         done
 977                         if test ! -z "$PRNGD_SOCKET" ; then
 978                                 AC_MSG_RESULT($PRNGD_SOCKET)
 979                         else
 980                                 AC_MSG_RESULT(not found)
 981                         fi
 982                 fi
 983         ]
 984 )
 985
 986 # Change default command timeout for hashing entropy source
 987 entropy_timeout=200
 988 AC_ARG_WITH(entropy-timeout,
 989         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
 990         [
 991                 if test "x$withval" != "xno" ; then
 992                         entropy_timeout=$withval
 993                 fi
 994         ]
 995 )
 996 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
 997
 998 ssh_privsep_user=sshd
 999 AC_ARG_WITH(privsep-user,
1000         [  --with-privsep-user     Specify non-privileged user for privilege separation],
1001         [
1002                 if test -n "$withval"; then
1003                         ssh_privsep_user=$withval
1004                 fi
1005         ]
1006 )
1007 AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$ssh_privsep_user")
1008
1009 # We do this little dance with the search path to insure
1010 # that programs that we select for use by installed programs
1011 # (which may be run by the super-user) come from trusted
1012 # locations before they come from the user's private area.
1013 # This should help avoid accidentally configuring some
1014 # random version of a program in someone's personal bin.
1015
1016 OPATH=$PATH
1017 PATH=/bin:/usr/bin
1018 /bin/test -L /bin 2> /dev/null && PATH=/usr/bin
1019 test -d /sbin && PATH=$PATH:/sbin
1020 test -d /usr/sbin && PATH=$PATH:/usr/sbin
1021 PATH=$PATH:/etc:$OPATH
1022
1023 # These programs are used by the command hashing source to gather entropy
1024 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1025 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1026 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1027 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1028 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
1029 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1030 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
1031 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1032 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1033 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1034 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1035 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1036 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1037 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1038 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1039 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1040 # restore PATH
1041 PATH=$OPATH
1042
1043 # Where does ssh-rand-helper get its randomness from?
1044 INSTALL_SSH_PRNG_CMDS=""
1045 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
1046         if test ! -z "$PRNGD_PORT" ; then
1047                 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
1048         elif test ! -z "$PRNGD_SOCKET" ; then
1049                 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
1050         else
1051                 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
1052                 RAND_HELPER_CMDHASH=yes
1053                 INSTALL_SSH_PRNG_CMDS="yes"
1054         fi
1055 fi
1056 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1057
1058
1059 # Cheap hack to ensure NEWS-OS libraries are arranged right.
1060 if test ! -z "$SONY" ; then
1061   LIBS="$LIBS -liberty";
1062 fi
1063
1064 # Checks for data types
1065 AC_CHECK_SIZEOF(char, 1)
1066 AC_CHECK_SIZEOF(short int, 2)
1067 AC_CHECK_SIZEOF(int, 4)
1068 AC_CHECK_SIZEOF(long int, 4)
1069 AC_CHECK_SIZEOF(long long int, 8)
1070
1071 # More checks for data types
1072 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
1073         AC_TRY_COMPILE(
1074                 [ #include <sys/types.h> ],
1075                 [ u_int a; a = 1;],
1076                 [ ac_cv_have_u_int="yes" ],
1077                 [ ac_cv_have_u_int="no" ]
1078         )
1079 ])
1080 if test "x$ac_cv_have_u_int" = "xyes" ; then
1081         AC_DEFINE(HAVE_U_INT)
1082         have_u_int=1
1083 fi
1084
1085 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
1086         AC_TRY_COMPILE(
1087                 [ #include <sys/types.h> ],
1088                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1089                 [ ac_cv_have_intxx_t="yes" ],
1090                 [ ac_cv_have_intxx_t="no" ]
1091         )
1092 ])
1093 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
1094         AC_DEFINE(HAVE_INTXX_T)
1095         have_intxx_t=1
1096 fi
1097
1098 if (test -z "$have_intxx_t" && \
1099            test "x$ac_cv_header_stdint_h" = "xyes")
1100 then
1101     AC_MSG_CHECKING([for intXX_t types in stdint.h])
1102         AC_TRY_COMPILE(
1103                 [ #include <stdint.h> ],
1104                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1105                 [
1106                         AC_DEFINE(HAVE_INTXX_T)
1107                         AC_MSG_RESULT(yes)
1108                 ],
1109                 [ AC_MSG_RESULT(no) ]
1110         )
1111 fi
1112
1113 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
1114         AC_TRY_COMPILE(
1115                 [ #include <sys/types.h> ],
1116                 [ int64_t a; a = 1;],
1117                 [ ac_cv_have_int64_t="yes" ],
1118                 [ ac_cv_have_int64_t="no" ]
1119         )
1120 ])
1121 if test "x$ac_cv_have_int64_t" = "xyes" ; then
1122         AC_DEFINE(HAVE_INT64_T)
1123         have_int64_t=1
1124 fi
1125
1126 if test -z "$have_int64_t" ; then
1127     AC_MSG_CHECKING([for int64_t type in sys/socket.h])
1128         AC_TRY_COMPILE(
1129                 [ #include <sys/socket.h> ],
1130                 [ int64_t a; a = 1],
1131                 [
1132                         AC_DEFINE(HAVE_INT64_T)
1133                         AC_MSG_RESULT(yes)
1134                 ],
1135                 [ AC_MSG_RESULT(no) ]
1136         )
1137 fi
1138
1139 if test -z "$have_int64_t" ; then
1140     AC_MSG_CHECKING([for int64_t type in sys/bitypes.h])
1141         AC_TRY_COMPILE(
1142                 [ #include <sys/bitypes.h> ],
1143                 [ int64_t a; a = 1],
1144                 [
1145                         AC_DEFINE(HAVE_INT64_T)
1146                         AC_MSG_RESULT(yes)
1147                 ],
1148                 [ AC_MSG_RESULT(no) ]
1149         )
1150 fi
1151
1152 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
1153         AC_TRY_COMPILE(
1154                 [ #include <sys/types.h> ],
1155                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1156                 [ ac_cv_have_u_intxx_t="yes" ],
1157                 [ ac_cv_have_u_intxx_t="no" ]
1158         )
1159 ])
1160 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
1161         AC_DEFINE(HAVE_U_INTXX_T)
1162         have_u_intxx_t=1
1163 fi
1164
1165 if test -z "$have_u_intxx_t" ; then
1166     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
1167         AC_TRY_COMPILE(
1168                 [ #include <sys/socket.h> ],
1169                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1170                 [
1171                         AC_DEFINE(HAVE_U_INTXX_T)
1172                         AC_MSG_RESULT(yes)
1173                 ],
1174                 [ AC_MSG_RESULT(no) ]
1175         )
1176 fi
1177
1178 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
1179         AC_TRY_COMPILE(
1180                 [ #include <sys/types.h> ],
1181                 [ u_int64_t a; a = 1;],
1182                 [ ac_cv_have_u_int64_t="yes" ],
1183                 [ ac_cv_have_u_int64_t="no" ]
1184         )
1185 ])
1186 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
1187         AC_DEFINE(HAVE_U_INT64_T)
1188         have_u_int64_t=1
1189 fi
1190
1191 if test -z "$have_u_int64_t" ; then
1192     AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
1193         AC_TRY_COMPILE(
1194                 [ #include <sys/bitypes.h> ],
1195                 [ u_int64_t a; a = 1],
1196                 [
1197                         AC_DEFINE(HAVE_U_INT64_T)
1198                         AC_MSG_RESULT(yes)
1199                 ],
1200                 [ AC_MSG_RESULT(no) ]
1201         )
1202 fi
1203
1204 if test -z "$have_u_intxx_t" ; then
1205         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
1206                 AC_TRY_COMPILE(
1207                         [
1208 #include <sys/types.h>
1209                         ],
1210                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
1211                         [ ac_cv_have_uintxx_t="yes" ],
1212                         [ ac_cv_have_uintxx_t="no" ]
1213                 )
1214         ])
1215         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
1216                 AC_DEFINE(HAVE_UINTXX_T)
1217         fi
1218 fi
1219
1220 if test -z "$have_uintxx_t" ; then
1221     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
1222         AC_TRY_COMPILE(
1223                 [ #include <stdint.h> ],
1224                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
1225                 [
1226                         AC_DEFINE(HAVE_UINTXX_T)
1227                         AC_MSG_RESULT(yes)
1228                 ],
1229                 [ AC_MSG_RESULT(no) ]
1230         )
1231 fi
1232
1233 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
1234            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
1235 then
1236         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
1237         AC_TRY_COMPILE(
1238                 [
1239 #include <sys/bitypes.h>
1240                 ],
1241                 [
1242                         int8_t a; int16_t b; int32_t c;
1243                         u_int8_t e; u_int16_t f; u_int32_t g;
1244                         a = b = c = e = f = g = 1;
1245                 ],
1246                 [
1247                         AC_DEFINE(HAVE_U_INTXX_T)
1248                         AC_DEFINE(HAVE_INTXX_T)
1249                         AC_MSG_RESULT(yes)
1250                 ],
1251                 [AC_MSG_RESULT(no)]
1252         )
1253 fi
1254
1255
1256 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
1257         AC_TRY_COMPILE(
1258                 [
1259 #include <sys/types.h>
1260                 ],
1261                 [ u_char foo; foo = 125; ],
1262                 [ ac_cv_have_u_char="yes" ],
1263                 [ ac_cv_have_u_char="no" ]
1264         )
1265 ])
1266 if test "x$ac_cv_have_u_char" = "xyes" ; then
1267         AC_DEFINE(HAVE_U_CHAR)
1268 fi
1269
1270 TYPE_SOCKLEN_T
1271
1272 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
1273
1274 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
1275         AC_TRY_COMPILE(
1276                 [
1277 #include <sys/types.h>
1278                 ],
1279                 [ size_t foo; foo = 1235; ],
1280                 [ ac_cv_have_size_t="yes" ],
1281                 [ ac_cv_have_size_t="no" ]
1282         )
1283 ])
1284 if test "x$ac_cv_have_size_t" = "xyes" ; then
1285         AC_DEFINE(HAVE_SIZE_T)
1286 fi
1287
1288 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
1289         AC_TRY_COMPILE(
1290                 [
1291 #include <sys/types.h>
1292                 ],
1293                 [ ssize_t foo; foo = 1235; ],
1294                 [ ac_cv_have_ssize_t="yes" ],
1295                 [ ac_cv_have_ssize_t="no" ]
1296         )
1297 ])
1298 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
1299         AC_DEFINE(HAVE_SSIZE_T)
1300 fi
1301
1302 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
1303         AC_TRY_COMPILE(
1304                 [
1305 #include <time.h>
1306                 ],
1307                 [ clock_t foo; foo = 1235; ],
1308                 [ ac_cv_have_clock_t="yes" ],
1309                 [ ac_cv_have_clock_t="no" ]
1310         )
1311 ])
1312 if test "x$ac_cv_have_clock_t" = "xyes" ; then
1313         AC_DEFINE(HAVE_CLOCK_T)
1314 fi
1315
1316 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
1317         AC_TRY_COMPILE(
1318                 [
1319 #include <sys/types.h>
1320 #include <sys/socket.h>
1321                 ],
1322                 [ sa_family_t foo; foo = 1235; ],
1323                 [ ac_cv_have_sa_family_t="yes" ],
1324                 [ AC_TRY_COMPILE(
1325                   [
1326 #include <sys/types.h>
1327 #include <sys/socket.h>
1328 #include <netinet/in.h>
1329                 ],
1330                 [ sa_family_t foo; foo = 1235; ],
1331                 [ ac_cv_have_sa_family_t="yes" ],
1332
1333                 [ ac_cv_have_sa_family_t="no" ]
1334         )]
1335         )
1336 ])
1337 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
1338         AC_DEFINE(HAVE_SA_FAMILY_T)
1339 fi
1340
1341 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
1342         AC_TRY_COMPILE(
1343                 [
1344 #include <sys/types.h>
1345                 ],
1346                 [ pid_t foo; foo = 1235; ],
1347                 [ ac_cv_have_pid_t="yes" ],
1348                 [ ac_cv_have_pid_t="no" ]
1349         )
1350 ])
1351 if test "x$ac_cv_have_pid_t" = "xyes" ; then
1352         AC_DEFINE(HAVE_PID_T)
1353 fi
1354
1355 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
1356         AC_TRY_COMPILE(
1357                 [
1358 #include <sys/types.h>
1359                 ],
1360                 [ mode_t foo; foo = 1235; ],
1361                 [ ac_cv_have_mode_t="yes" ],
1362                 [ ac_cv_have_mode_t="no" ]
1363         )
1364 ])
1365 if test "x$ac_cv_have_mode_t" = "xyes" ; then
1366         AC_DEFINE(HAVE_MODE_T)
1367 fi
1368
1369
1370 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
1371         AC_TRY_COMPILE(
1372                 [
1373 #include <sys/types.h>
1374 #include <sys/socket.h>
1375                 ],
1376                 [ struct sockaddr_storage s; ],
1377                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
1378                 [ ac_cv_have_struct_sockaddr_storage="no" ]
1379         )
1380 ])
1381 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
1382         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
1383 fi
1384
1385 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
1386         AC_TRY_COMPILE(
1387                 [
1388 #include <sys/types.h>
1389 #include <netinet/in.h>
1390                 ],
1391                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1392                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1393                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1394         )
1395 ])
1396 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1397         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1398 fi
1399
1400 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1401         AC_TRY_COMPILE(
1402                 [
1403 #include <sys/types.h>
1404 #include <netinet/in.h>
1405                 ],
1406                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1407                 [ ac_cv_have_struct_in6_addr="yes" ],
1408                 [ ac_cv_have_struct_in6_addr="no" ]
1409         )
1410 ])
1411 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1412         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1413 fi
1414
1415 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1416         AC_TRY_COMPILE(
1417                 [
1418 #include <sys/types.h>
1419 #include <sys/socket.h>
1420 #include <netdb.h>
1421                 ],
1422                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1423                 [ ac_cv_have_struct_addrinfo="yes" ],
1424                 [ ac_cv_have_struct_addrinfo="no" ]
1425         )
1426 ])
1427 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1428         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1429 fi
1430
1431 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1432         AC_TRY_COMPILE(
1433                 [ #include <sys/time.h> ],
1434                 [ struct timeval tv; tv.tv_sec = 1;],
1435                 [ ac_cv_have_struct_timeval="yes" ],
1436                 [ ac_cv_have_struct_timeval="no" ]
1437         )
1438 ])
1439 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1440         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1441         have_struct_timeval=1
1442 fi
1443
1444 # If we don't have int64_t then we can't compile sftp-server.  So don't
1445 # even attempt to do it.
1446 if test "x$ac_cv_have_int64_t" = "xno" -a \
1447         "x$ac_cv_sizeof_long_int" != "x8" -a \
1448         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1449         NO_SFTP='#'
1450 else
1451 dnl test snprintf (broken on SCO w/gcc)
1452         AC_TRY_RUN(
1453                 [
1454 #include <stdio.h>
1455 #include <string.h>
1456 #ifdef HAVE_SNPRINTF
1457 main()
1458 {
1459         char buf[50];
1460         char expected_out[50];
1461         int mazsize = 50 ;
1462 #if (SIZEOF_LONG_INT == 8)
1463         long int num = 0x7fffffffffffffff;
1464 #else
1465         long long num = 0x7fffffffffffffffll;
1466 #endif
1467         strcpy(expected_out, "9223372036854775807");
1468         snprintf(buf, mazsize, "%lld", num);
1469         if(strcmp(buf, expected_out) != 0)
1470                 exit(1);
1471         exit(0);
1472 }
1473 #else
1474 main() { exit(0); }
1475 #endif
1476                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1477         )
1478 fi
1479 AC_SUBST(NO_SFTP)
1480
1481 dnl Checks for structure members
1482 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1483 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1484 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1485 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1486 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1487 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1488 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1489 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1490 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1491 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1492 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1493 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1494 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1495 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1496 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1497 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1498 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1499
1500 AC_CHECK_MEMBERS([struct stat.st_blksize])
1501
1502 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1503                 ac_cv_have_ss_family_in_struct_ss, [
1504         AC_TRY_COMPILE(
1505                 [
1506 #include <sys/types.h>
1507 #include <sys/socket.h>
1508                 ],
1509                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1510                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1511                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1512         )
1513 ])
1514 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1515         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1516 fi
1517
1518 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1519                 ac_cv_have___ss_family_in_struct_ss, [
1520         AC_TRY_COMPILE(
1521                 [
1522 #include <sys/types.h>
1523 #include <sys/socket.h>
1524                 ],
1525                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1526                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1527                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1528         )
1529 ])
1530 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1531         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1532 fi
1533
1534 AC_CACHE_CHECK([for pw_class field in struct passwd],
1535                 ac_cv_have_pw_class_in_struct_passwd, [
1536         AC_TRY_COMPILE(
1537                 [
1538 #include <pwd.h>
1539                 ],
1540                 [ struct passwd p; p.pw_class = 0; ],
1541                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1542                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1543         )
1544 ])
1545 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1546         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1547 fi
1548
1549 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1550                 ac_cv_have_pw_expire_in_struct_passwd, [
1551         AC_TRY_COMPILE(
1552                 [
1553 #include <pwd.h>
1554                 ],
1555                 [ struct passwd p; p.pw_expire = 0; ],
1556                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1557                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1558         )
1559 ])
1560 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1561         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1562 fi
1563
1564 AC_CACHE_CHECK([for pw_change field in struct passwd],
1565                 ac_cv_have_pw_change_in_struct_passwd, [
1566         AC_TRY_COMPILE(
1567                 [
1568 #include <pwd.h>
1569                 ],
1570                 [ struct passwd p; p.pw_change = 0; ],
1571                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1572                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1573         )
1574 ])
1575 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1576         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1577 fi
1578
1579 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
1580                 ac_cv_have_accrights_in_msghdr, [
1581         AC_TRY_COMPILE(
1582                 [
1583 #include <sys/socket.h>
1584 #include <sys/uio.h>
1585                 ],
1586                 [ struct msghdr m; m.msg_accrights = 0; ],
1587                 [ ac_cv_have_accrights_in_msghdr="yes" ],
1588                 [ ac_cv_have_accrights_in_msghdr="no" ]
1589         )
1590 ])
1591 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
1592         AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
1593 fi
1594
1595 AC_CACHE_CHECK([for msg_control field in struct msghdr],
1596                 ac_cv_have_control_in_msghdr, [
1597         AC_TRY_COMPILE(
1598                 [
1599 #include <sys/socket.h>
1600 #include <sys/uio.h>
1601                 ],
1602                 [ struct msghdr m; m.msg_control = 0; ],
1603                 [ ac_cv_have_control_in_msghdr="yes" ],
1604                 [ ac_cv_have_control_in_msghdr="no" ]
1605         )
1606 ])
1607 if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
1608         AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
1609 fi
1610
1611 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1612         AC_TRY_LINK([],
1613                 [ extern char *__progname; printf("%s", __progname); ],
1614                 [ ac_cv_libc_defines___progname="yes" ],
1615                 [ ac_cv_libc_defines___progname="no" ]
1616         )
1617 ])
1618 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1619         AC_DEFINE(HAVE___PROGNAME)
1620 fi
1621
1622 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
1623         AC_TRY_LINK([
1624 #include <stdio.h>
1625 ],
1626                 [ printf("%s", __FUNCTION__); ],
1627                 [ ac_cv_cc_implements___FUNCTION__="yes" ],
1628                 [ ac_cv_cc_implements___FUNCTION__="no" ]
1629         )
1630 ])
1631 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
1632         AC_DEFINE(HAVE___FUNCTION__)
1633 fi
1634
1635 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
1636         AC_TRY_LINK([
1637 #include <stdio.h>
1638 ],
1639                 [ printf("%s", __func__); ],
1640                 [ ac_cv_cc_implements___func__="yes" ],
1641                 [ ac_cv_cc_implements___func__="no" ]
1642         )
1643 ])
1644 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
1645         AC_DEFINE(HAVE___func__)
1646 fi
1647
1648 AC_CACHE_CHECK([whether getopt has optreset support],
1649                 ac_cv_have_getopt_optreset, [
1650         AC_TRY_LINK(
1651                 [
1652 #include <getopt.h>
1653                 ],
1654                 [ extern int optreset; optreset = 0; ],
1655                 [ ac_cv_have_getopt_optreset="yes" ],
1656                 [ ac_cv_have_getopt_optreset="no" ]
1657         )
1658 ])
1659 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
1660         AC_DEFINE(HAVE_GETOPT_OPTRESET)
1661 fi
1662
1663 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1664         AC_TRY_LINK([],
1665                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1666                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1667                 [ ac_cv_libc_defines_sys_errlist="no" ]
1668         )
1669 ])
1670 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1671         AC_DEFINE(HAVE_SYS_ERRLIST)
1672 fi
1673
1674
1675 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1676         AC_TRY_LINK([],
1677                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1678                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1679                 [ ac_cv_libc_defines_sys_nerr="no" ]
1680         )
1681 ])
1682 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1683         AC_DEFINE(HAVE_SYS_NERR)
1684 fi
1685
1686 SCARD_MSG="no"
1687
1688 # Check whether user wants sectok support
1689 AC_ARG_WITH(sectok,
1690         [  --with-sectok           Enable smartcard support using libsectok],
1691         [
1692                 if test "x$withval" != "xno" ; then
1693                         if test "x$withval" != "xyes" ; then
1694                                 CPPFLAGS="$CPPFLAGS -I${withval}"
1695                                 LDFLAGS="$LDFLAGS -L${withval}"
1696                                 if test ! -z "$need_dash_r" ; then
1697                                         LDFLAGS="$LDFLAGS -R${withval}"
1698                                 fi
1699                                 if test ! -z "$blibpath" ; then
1700                                         blibpath="$blibpath:${withval}"
1701                                 fi
1702                         fi
1703                         AC_CHECK_HEADERS(sectok.h)
1704                         if test "$ac_cv_header_sectok_h" != yes; then
1705                                 AC_MSG_ERROR(Can't find sectok.h)
1706                         fi
1707                         AC_CHECK_LIB(sectok, sectok_open)
1708                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
1709                                 AC_MSG_ERROR(Can't find libsectok)
1710                         fi
1711                         AC_DEFINE(SMARTCARD)
1712                         AC_DEFINE(USE_SECTOK)
1713                         SCARD_MSG="yes, using sectok"
1714                 fi
1715         ]
1716 )
1717
1718 # Check whether user wants OpenSC support
1719 AC_ARG_WITH(opensc,
1720         [  --with-opensc           Enable smartcard support using OpenSC],
1721         [
1722                 if test "x$withval" != "xno" ; then
1723                         if test "x$withval" != "xyes" ; then
1724                                 CPPFLAGS="$CPPFLAGS -I${withval}"
1725                                 LDFLAGS="$LDFLAGS -L${withval}"
1726                                 if test ! -z "$need_dash_r" ; then
1727                                         LDFLAGS="$LDFLAGS -R${withval}"
1728                                 fi
1729                                 if test ! -z "$blibpath" ; then
1730                                         blibpath="$blibpath:${withval}"
1731                                 fi
1732                         fi
1733                         AC_CHECK_HEADERS(opensc/pkcs15.h)
1734                         if test "$ac_cv_header_opensc_pkcs15_h" != yes; then
1735                                 AC_MSG_ERROR(Can't find opensc/pkcs15.h)
1736                         fi
1737                         AC_CHECK_LIB(opensc, sc_pkcs15_bind)
1738                         if test "$ac_cv_lib_opensc_sc_pkcs15_bind" != yes; then
1739                                 AC_MSG_ERROR(Can't find libopensc)
1740                         fi
1741                         AC_DEFINE(SMARTCARD)
1742                         AC_DEFINE(USE_OPENSC)
1743                         SCARD_MSG="yes, using OpenSC"
1744                 fi
1745         ]
1746 )
1747
1748 # Check whether user wants Kerberos support
1749 KRB4_MSG="no"
1750 AC_ARG_WITH(kerberos4,
1751         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1752         [
1753                 if test "x$withval" != "xno" ; then
1754                         if test "x$withval" != "xyes" ; then
1755                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1756                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1757                                 if test ! -z "$need_dash_r" ; then
1758                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1759                                 fi
1760                                 if test ! -z "$blibpath" ; then
1761                                         blibpath="$blibpath:${withval}/lib"
1762                                 fi
1763                         else
1764                                 if test -d /usr/include/kerberosIV ; then
1765                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1766                                 fi
1767                         fi
1768
1769                         AC_CHECK_HEADERS(krb.h)
1770                         if test "$ac_cv_header_krb_h" != yes; then
1771                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1772                         fi
1773                         AC_CHECK_LIB(krb, main)
1774                         if test "$ac_cv_lib_krb_main" != yes; then
1775                                 AC_CHECK_LIB(krb4, main)
1776                                 if test "$ac_cv_lib_krb4_main" != yes; then
1777                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
1778                                 else
1779                                         KLIBS="-lkrb4"
1780                                 fi
1781                         else
1782                                 KLIBS="-lkrb"
1783                         fi
1784                         AC_CHECK_LIB(des, des_cbc_encrypt)
1785                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
1786                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
1787                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
1788                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
1789                                 else
1790                                         KLIBS="-ldes425"
1791                                 fi
1792                         else
1793                                 KLIBS="-ldes"
1794                         fi
1795                         AC_CHECK_LIB(resolv, dn_expand, , )
1796                         KRB4=yes
1797                         KRB4_MSG="yes"
1798                         AC_DEFINE(KRB4)
1799                 fi
1800         ]
1801 )
1802
1803 # Check whether user wants AFS support
1804 AFS_MSG="no"
1805 AC_ARG_WITH(afs,
1806         [  --with-afs=PATH         Enable AFS support],
1807         [
1808                 if test "x$withval" != "xno" ; then
1809
1810                         if test "x$withval" != "xyes" ; then
1811                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1812                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1813                         fi
1814
1815                         if test -z "$KRB4" ; then
1816                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1817                         fi
1818
1819                         LIBS="-lkafs $LIBS"
1820                         if test ! -z "$AFS_LIBS" ; then
1821                                 LIBS="$LIBS $AFS_LIBS"
1822                         fi
1823                         AC_DEFINE(AFS)
1824                         AFS_MSG="yes"
1825                 fi
1826         ]
1827 )
1828 LIBS="$LIBS $KLIBS"
1829
1830 # Looking for programs, paths and files
1831 AC_ARG_WITH(rsh,
1832         [  --with-rsh=PATH         Specify path to remote shell program ],
1833         [
1834                 if test "x$withval" != "$no" ; then
1835                         rsh_path=$withval
1836                 fi
1837         ],
1838         [
1839                 AC_PATH_PROG(rsh_path, rsh)
1840         ]
1841 )
1842
1843 AC_ARG_WITH(xauth,
1844         [  --with-xauth=PATH       Specify path to xauth program ],
1845         [
1846                 if test "x$withval" != "xno" ; then
1847                         xauth_path=$withval
1848                 fi
1849         ],
1850         [
1851                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1852                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1853                         xauth_path="/usr/openwin/bin/xauth"
1854                 fi
1855         ]
1856 )
1857
1858 if test -z "$xauth_path" ; then
1859         XAUTH_PATH="undefined"
1860         AC_SUBST(XAUTH_PATH)
1861 else
1862         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1863         XAUTH_PATH=$xauth_path
1864         AC_SUBST(XAUTH_PATH)
1865 fi
1866 if test ! -z "$rsh_path" ; then
1867         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
1868 fi
1869
1870 # Check for mail directory (last resort if we cannot get it from headers)
1871 if test ! -z "$MAIL" ; then
1872         maildir=`dirname $MAIL`
1873         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1874 fi
1875
1876 if test -z "$no_dev_ptmx" ; then
1877         AC_CHECK_FILE("/dev/ptmx",
1878                 [
1879                         AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1880                         have_dev_ptmx=1
1881                 ]
1882         )
1883 fi
1884 AC_CHECK_FILE("/dev/ptc",
1885         [
1886                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1887                 have_dev_ptc=1
1888         ]
1889 )
1890
1891 # Options from here on. Some of these are preset by platform above
1892 AC_ARG_WITH(mantype,
1893         [  --with-mantype=man|cat|doc  Set man page type],
1894         [
1895                 case "$withval" in
1896                 man|cat|doc)
1897                         MANTYPE=$withval
1898                         ;;
1899                 *)
1900                         AC_MSG_ERROR(invalid man type: $withval)
1901                         ;;
1902                 esac
1903         ]
1904 )
1905 if test -z "$MANTYPE"; then
1906         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, /usr/bin:/usr/ucb)
1907         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
1908                 MANTYPE=doc
1909         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
1910                 MANTYPE=man
1911         else
1912                 MANTYPE=cat
1913         fi
1914 fi
1915 AC_SUBST(MANTYPE)
1916 if test "$MANTYPE" = "doc"; then
1917         mansubdir=man;
1918 else
1919         mansubdir=$MANTYPE;
1920 fi
1921 AC_SUBST(mansubdir)
1922
1923 # Check whether to enable MD5 passwords
1924 MD5_MSG="no"
1925 AC_ARG_WITH(md5-passwords,
1926         [  --with-md5-passwords    Enable use of MD5 passwords],
1927         [
1928                 if test "x$withval" != "xno" ; then
1929                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1930                         MD5_MSG="yes"
1931                 fi
1932         ]
1933 )
1934
1935 # Whether to disable shadow password support
1936 AC_ARG_WITH(shadow,
1937         [  --without-shadow        Disable shadow password support],
1938         [
1939                 if test "x$withval" = "xno" ; then
1940                         AC_DEFINE(DISABLE_SHADOW)
1941                         disable_shadow=yes
1942                 fi
1943         ]
1944 )
1945
1946 if test -z "$disable_shadow" ; then
1947         AC_MSG_CHECKING([if the systems has expire shadow information])
1948         AC_TRY_COMPILE(
1949         [
1950 #include <sys/types.h>
1951 #include <shadow.h>
1952         struct spwd sp;
1953         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1954         [ sp_expire_available=yes ], []
1955         )
1956
1957         if test "x$sp_expire_available" = "xyes" ; then
1958                 AC_MSG_RESULT(yes)
1959                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1960         else
1961                 AC_MSG_RESULT(no)
1962         fi
1963 fi
1964
1965 # Use ip address instead of hostname in $DISPLAY
1966 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1967         DISPLAY_HACK_MSG="yes"
1968         AC_DEFINE(IPADDR_IN_DISPLAY)
1969 else
1970         DISPLAY_HACK_MSG="no"
1971         AC_ARG_WITH(ipaddr-display,
1972                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1973                 [
1974                         if test "x$withval" != "xno" ; then
1975                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1976                                 DISPLAY_HACK_MSG="yes"
1977                         fi
1978                 ]
1979         )
1980 fi
1981
1982 # Whether to mess with the default path
1983 SERVER_PATH_MSG="(default)"
1984 AC_ARG_WITH(default-path,
1985         [  --with-default-path=PATH Specify default \$PATH environment for server],
1986         [
1987                 if test "x$withval" != "xno" ; then
1988                         user_path="$withval"
1989                         SERVER_PATH_MSG="$withval"
1990                 fi
1991         ],
1992         [
1993         AC_TRY_RUN(
1994                 [
1995 /* find out what STDPATH is */
1996 #include <stdio.h>
1997 #ifdef HAVE_PATHS_H
1998 # include <paths.h>
1999 #endif
2000 #ifndef _PATH_STDPATH
2001 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
2002 #endif
2003 #include <sys/types.h>
2004 #include <sys/stat.h>
2005 #include <fcntl.h>
2006 #define DATA "conftest.stdpath"
2007
2008 main()
2009 {
2010         FILE *fd;
2011         int rc;
2012
2013         fd = fopen(DATA,"w");
2014         if(fd == NULL)
2015                 exit(1);
2016
2017         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
2018                 exit(1);
2019
2020         exit(0);
2021 }
2022                 ], [ user_path=`cat conftest.stdpath` ],
2023                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
2024                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
2025         )
2026 # make sure $bindir is in USER_PATH so scp will work
2027                 t_bindir=`eval echo ${bindir}`
2028                 case $t_bindir in
2029                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
2030                 esac
2031                 case $t_bindir in
2032                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
2033                 esac
2034                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
2035                 if test $? -ne 0  ; then
2036                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
2037                         if test $? -ne 0  ; then
2038                                 user_path=$user_path:$t_bindir
2039                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
2040                         fi
2041                 fi
2042         ]
2043 )
2044 AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
2045 AC_SUBST(user_path)
2046
2047 # Whether to force IPv4 by default (needed on broken glibc Linux)
2048 IPV4_HACK_MSG="no"
2049 AC_ARG_WITH(ipv4-default,
2050         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
2051         [
2052                 if test "x$withval" != "xno" ; then
2053                         AC_DEFINE(IPV4_DEFAULT)
2054                         IPV4_HACK_MSG="yes"
2055                 fi
2056         ]
2057 )
2058
2059 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
2060 IPV4_IN6_HACK_MSG="no"
2061 AC_ARG_WITH(4in6,
2062         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
2063         [
2064                 if test "x$withval" != "xno" ; then
2065                         AC_MSG_RESULT(yes)
2066                         AC_DEFINE(IPV4_IN_IPV6)
2067                         IPV4_IN6_HACK_MSG="yes"
2068                 else
2069                         AC_MSG_RESULT(no)
2070                 fi
2071         ],[
2072                 if test "x$inet6_default_4in6" = "xyes"; then
2073                         AC_MSG_RESULT([yes (default)])
2074                         AC_DEFINE(IPV4_IN_IPV6)
2075                         IPV4_IN6_HACK_MSG="yes"
2076                 else
2077                         AC_MSG_RESULT([no (default)])
2078                 fi
2079         ]
2080 )
2081
2082 # Whether to enable BSD auth support
2083 BSD_AUTH_MSG=no
2084 AC_ARG_WITH(bsd-auth,
2085         [  --with-bsd-auth         Enable BSD auth support],
2086         [
2087                 if test "x$withval" != "xno" ; then
2088                         AC_DEFINE(BSD_AUTH)
2089                         BSD_AUTH_MSG=yes
2090                 fi
2091         ]
2092 )
2093
2094 AC_MSG_CHECKING(whether to install ssh as suid root)
2095 AC_ARG_ENABLE(suid-ssh,
2096 [  --enable-suid-ssh       Install ssh as suid root (default)
2097   --disable-suid-ssh      Install ssh without suid bit],
2098 [ case "$enableval" in
2099   no)
2100        AC_MSG_RESULT(no)
2101        SSHMODE=0711
2102        ;;
2103   *)   AC_MSG_RESULT(yes)
2104        SSHMODE=4711
2105        ;;
2106   esac ],
2107   AC_MSG_RESULT(yes)
2108   SSHMODE=4711
2109 )
2110 AC_SUBST(SSHMODE)
2111
2112
2113 # Where to place sshd.pid
2114 piddir=/var/run
2115 # make sure the directory exists
2116 if test ! -d $piddir ; then
2117         piddir=`eval echo ${sysconfdir}`
2118         case $piddir in
2119                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
2120         esac
2121 fi
2122
2123 AC_ARG_WITH(pid-dir,
2124         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
2125         [
2126                 if test "x$withval" != "xno" ; then
2127                         piddir=$withval
2128                         if test ! -d $piddir ; then
2129                         AC_MSG_WARN([** no $piddir directory on this system **])
2130                         fi
2131                 fi
2132         ]
2133 )
2134
2135 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
2136 AC_SUBST(piddir)
2137
2138 dnl allow user to disable some login recording features
2139 AC_ARG_ENABLE(lastlog,
2140         [  --disable-lastlog       disable use of lastlog even if detected [no]],
2141         [ AC_DEFINE(DISABLE_LASTLOG) ]
2142 )
2143 AC_ARG_ENABLE(utmp,
2144         [  --disable-utmp          disable use of utmp even if detected [no]],
2145         [ AC_DEFINE(DISABLE_UTMP) ]
2146 )
2147 AC_ARG_ENABLE(utmpx,
2148         [  --disable-utmpx         disable use of utmpx even if detected [no]],
2149         [ AC_DEFINE(DISABLE_UTMPX) ]
2150 )
2151 AC_ARG_ENABLE(wtmp,
2152         [  --disable-wtmp          disable use of wtmp even if detected [no]],
2153         [ AC_DEFINE(DISABLE_WTMP) ]
2154 )
2155 AC_ARG_ENABLE(wtmpx,
2156         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
2157         [ AC_DEFINE(DISABLE_WTMPX) ]
2158 )
2159 AC_ARG_ENABLE(libutil,
2160         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
2161         [ AC_DEFINE(DISABLE_LOGIN) ]
2162 )
2163 AC_ARG_ENABLE(pututline,
2164         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
2165         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
2166 )
2167 AC_ARG_ENABLE(pututxline,
2168         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
2169         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
2170 )
2171 AC_ARG_WITH(lastlog,
2172   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
2173         [
2174                 if test "x$withval" = "xno" ; then
2175                         AC_DEFINE(DISABLE_LASTLOG)
2176                 else
2177                         conf_lastlog_location=$withval
2178                 fi
2179         ]
2180 )
2181
2182 dnl lastlog, [uw]tmpx? detection
2183 dnl  NOTE: set the paths in the platform section to avoid the
2184 dnl   need for command-line parameters
2185 dnl lastlog and [uw]tmp are subject to a file search if all else fails
2186
2187 dnl lastlog detection
2188 dnl  NOTE: the code itself will detect if lastlog is a directory
2189 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
2190 AC_TRY_COMPILE([
2191 #include <sys/types.h>
2192 #include <utmp.h>
2193 #ifdef HAVE_LASTLOG_H
2194 #  include <lastlog.h>
2195 #endif
2196 #ifdef HAVE_PATHS_H
2197 #  include <paths.h>
2198 #endif
2199 #ifdef HAVE_LOGIN_H
2200 # include <login.h>
2201 #endif
2202         ],
2203         [ char *lastlog = LASTLOG_FILE; ],
2204         [ AC_MSG_RESULT(yes) ],
2205         [
2206                 AC_MSG_RESULT(no)
2207                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
2208                 AC_TRY_COMPILE([
2209 #include <sys/types.h>
2210 #include <utmp.h>
2211 #ifdef HAVE_LASTLOG_H
2212 #  include <lastlog.h>
2213 #endif
2214 #ifdef HAVE_PATHS_H
2215 #  include <paths.h>
2216 #endif
2217                 ],
2218                 [ char *lastlog = _PATH_LASTLOG; ],
2219                 [ AC_MSG_RESULT(yes) ],
2220                 [
2221                         AC_MSG_RESULT(no)
2222                         system_lastlog_path=no
2223                 ])
2224         ]
2225 )
2226
2227 if test -z "$conf_lastlog_location"; then
2228         if test x"$system_lastlog_path" = x"no" ; then
2229                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
2230                                 if (test -d "$f" || test -f "$f") ; then
2231                                         conf_lastlog_location=$f
2232                                 fi
2233                 done
2234                 if test -z "$conf_lastlog_location"; then
2235                         AC_MSG_WARN([** Cannot find lastlog **])
2236                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
2237                 fi
2238         fi
2239 fi
2240
2241 if test -n "$conf_lastlog_location"; then
2242         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
2243 fi
2244
2245 dnl utmp detection
2246 AC_MSG_CHECKING([if your system defines UTMP_FILE])
2247 AC_TRY_COMPILE([
2248 #include <sys/types.h>
2249 #include <utmp.h>
2250 #ifdef HAVE_PATHS_H
2251 #  include <paths.h>
2252 #endif
2253         ],
2254         [ char *utmp = UTMP_FILE; ],
2255         [ AC_MSG_RESULT(yes) ],
2256         [ AC_MSG_RESULT(no)
2257           system_utmp_path=no ]
2258 )
2259 if test -z "$conf_utmp_location"; then
2260         if test x"$system_utmp_path" = x"no" ; then
2261                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
2262                         if test -f $f ; then
2263                                 conf_utmp_location=$f
2264                         fi
2265                 done
2266                 if test -z "$conf_utmp_location"; then
2267                         AC_DEFINE(DISABLE_UTMP)
2268                 fi
2269         fi
2270 fi
2271 if test -n "$conf_utmp_location"; then
2272         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
2273 fi
2274
2275 dnl wtmp detection
2276 AC_MSG_CHECKING([if your system defines WTMP_FILE])
2277 AC_TRY_COMPILE([
2278 #include <sys/types.h>
2279 #include <utmp.h>
2280 #ifdef HAVE_PATHS_H
2281 #  include <paths.h>
2282 #endif
2283         ],
2284         [ char *wtmp = WTMP_FILE; ],
2285         [ AC_MSG_RESULT(yes) ],
2286         [ AC_MSG_RESULT(no)
2287           system_wtmp_path=no ]
2288 )
2289 if test -z "$conf_wtmp_location"; then
2290         if test x"$system_wtmp_path" = x"no" ; then
2291                 for f in /usr/adm/wtmp /var/log/wtmp; do
2292                         if test -f $f ; then
2293                                 conf_wtmp_location=$f
2294                         fi
2295                 done
2296                 if test -z "$conf_wtmp_location"; then
2297                         AC_DEFINE(DISABLE_WTMP)
2298                 fi
2299         fi
2300 fi
2301 if test -n "$conf_wtmp_location"; then
2302         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
2303 fi
2304
2305
2306 dnl utmpx detection - I don't know any system so perverse as to require
2307 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
2308 dnl  there, though.
2309 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
2310 AC_TRY_COMPILE([
2311 #include <sys/types.h>
2312 #include <utmp.h>
2313 #ifdef HAVE_UTMPX_H
2314 #include <utmpx.h>
2315 #endif
2316 #ifdef HAVE_PATHS_H
2317 #  include <paths.h>
2318 #endif
2319         ],
2320         [ char *utmpx = UTMPX_FILE; ],
2321         [ AC_MSG_RESULT(yes) ],
2322         [ AC_MSG_RESULT(no)
2323           system_utmpx_path=no ]
2324 )
2325 if test -z "$conf_utmpx_location"; then
2326         if test x"$system_utmpx_path" = x"no" ; then
2327                 AC_DEFINE(DISABLE_UTMPX)
2328         fi
2329 else
2330         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
2331 fi
2332
2333 dnl wtmpx detection
2334 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
2335 AC_TRY_COMPILE([
2336 #include <sys/types.h>
2337 #include <utmp.h>
2338 #ifdef HAVE_UTMPX_H
2339 #include <utmpx.h>
2340 #endif
2341 #ifdef HAVE_PATHS_H
2342 #  include <paths.h>
2343 #endif
2344         ],
2345         [ char *wtmpx = WTMPX_FILE; ],
2346         [ AC_MSG_RESULT(yes) ],
2347         [ AC_MSG_RESULT(no)
2348           system_wtmpx_path=no ]
2349 )
2350 if test -z "$conf_wtmpx_location"; then
2351         if test x"$system_wtmpx_path" = x"no" ; then
2352                 AC_DEFINE(DISABLE_WTMPX)
2353         fi
2354 else
2355         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
2356 fi
2357
2358
2359 if test ! -z "$blibpath" ; then
2360         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
2361         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
2362 fi
2363
2364 dnl remove pam and dl because they are in $LIBPAM
2365 if test "$PAM_MSG" = yes ; then
2366         LIBS=`echo $LIBS | sed 's/-lpam //'`
2367 fi
2368 if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
2369         LIBS=`echo $LIBS | sed 's/-ldl //'`
2370 fi
2371
2372 AC_EXEEXT
2373 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
2374 AC_OUTPUT
2375
2376 # Print summary of options
2377
2378 # Someone please show me a better way :)
2379 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
2380 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
2381 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
2382 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
2383 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
2384 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
2385 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
2386 H=`eval echo ${user_path}` ; H=`eval echo ${H}`
2387
2388 echo ""
2389 echo "OpenSSH has been configured with the following options:"
2390 echo "                 User binaries: $B"
2391 echo "               System binaries: $C"
2392 echo "           Configuration files: $D"
2393 echo "               Askpass program: $E"
2394 echo "                  Manual pages: $F"
2395 echo "                      PID file: $G"
2396 echo "        sshd default user PATH: $H"
2397 echo "                Manpage format: $MANTYPE"
2398 echo "                   PAM support: ${PAM_MSG}"
2399 echo "            KerberosIV support: $KRB4_MSG"
2400 echo "             Smartcard support: $SCARD_MSG"
2401 echo "                   AFS support: $AFS_MSG"
2402 echo "                 S/KEY support: $SKEY_MSG"
2403 echo "          TCP Wrappers support: $TCPW_MSG"
2404 echo "          MD5 password support: $MD5_MSG"
2405 echo "   IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
2406 echo "      Use IPv4 by default hack: $IPV4_HACK_MSG"
2407 echo "       Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
2408 echo "              BSD Auth support: $BSD_AUTH_MSG"
2409 echo "          Random number source: $RAND_MSG"
2410 if test ! -z "$USE_RAND_HELPER" ; then
2411         echo " ssh-rand-helper collects from: $RAND_HELPER_MSG"
2412 fi
2413
2414 echo ""
2415
2416 echo "              Host: ${host}"
2417 echo "          Compiler: ${CC}"
2418 echo "    Compiler flags: ${CFLAGS}"
2419 echo "Preprocessor flags: ${CPPFLAGS}"
2420 echo "      Linker flags: ${LDFLAGS}"
2421 echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
2422
2423 echo ""
2424
2425 if test "x$PAM_MSG" = "xyes" ; then
2426         echo "PAM is enabled. You may need to install a PAM control file "
2427         echo "for sshd, otherwise password authentication may fail. "
2428         echo "Example PAM control files can be found in the contrib/ "
2429         echo "subdirectory"
2430         echo ""
2431 fi
2432
2433 if test ! -z "$NO_SFTP"; then
2434         echo "sftp-server will be disabled.  Your compiler does not "
2435         echo "support 64bit integers."
2436         echo ""
2437 fi
2438
2439 if test ! -z "$RAND_HELPER_CMDHASH" ; then
2440         echo "WARNING: you are using the builtin random number collection "
2441         echo "service. Please read WARNING.RNG and request that your OS "
2442         echo "vendor includes kernel-based random number collection in "
2443         echo "future versions of your OS."
2444         echo ""
2445 fi
2446