openssh/configure.ac

   1 # $Id$
   2
   3 AC_INIT
   4 AC_CONFIG_SRCDIR([ssh.c])
   5
   6 AC_CONFIG_HEADER(config.h)
   7 AC_PROG_CC
   8 AC_CANONICAL_HOST
   9 AC_C_BIGENDIAN
  10
  11 # Checks for programs.
  12 AC_PROG_CPP
  13 AC_PROG_RANLIB
  14 AC_PROG_INSTALL
  15 AC_PATH_PROG(AR, ar)
  16 AC_PATH_PROGS(PERL, perl5 perl)
  17 AC_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 AC_PATH_PROG(SH, sh)
  25
  26 # System features
  27 AC_SYS_LARGEFILE
  28
  29 if test -z "$AR" ; then
  30         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  31 fi
  32
  33 # Use LOGIN_PROGRAM from environment if possible
  34 if test ! -z "$LOGIN_PROGRAM" ; then
  35         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  36 else
  37         # Search for login
  38         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  39         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  40                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  41         fi
  42 fi
  43
  44 if test -z "$LD" ; then
  45         LD=$CC
  46 fi
  47 AC_SUBST(LD)
  48
  49 AC_C_INLINE
  50 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
  51         CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wno-uninitialized"
  52 fi
  53
  54 # Check for some target-specific stuff
  55 case "$host" in
  56 *-*-aix*)
  57         AFS_LIBS="-lld"
  58         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
  59         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  60         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  61                 AC_MSG_CHECKING([if linkage editor ($LD) accepts -blibpath])
  62                 saved_LDFLAGS="$LDFLAGS"
  63                 LDFLAGS="$LDFLAGS -blibpath:/usr/lib:/lib:/usr/local/lib"
  64                 AC_TRY_LINK([],
  65                         [],
  66                         [
  67                                 AC_MSG_RESULT(yes)
  68                                 blibpath="/usr/lib:/lib:/usr/local/lib"
  69                         ],
  70                         [ AC_MSG_RESULT(no) ]
  71                 )
  72                 LDFLAGS="$saved_LDFLAGS"
  73         fi
  74         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  75         AC_DEFINE(BROKEN_GETADDRINFO)
  76         AC_DEFINE(BROKEN_REALPATH)
  77         dnl AIX handles lastlog as part of its login message
  78         AC_DEFINE(DISABLE_LASTLOG)
  79         ;;
  80 *-*-cygwin*)
  81         LIBS="$LIBS /usr/lib/textmode.o"
  82         AC_DEFINE(HAVE_CYGWIN)
  83         AC_DEFINE(USE_PIPES)
  84         AC_DEFINE(DISABLE_SHADOW)
  85         AC_DEFINE(IPV4_DEFAULT)
  86         AC_DEFINE(IP_TOS_IS_BROKEN)
  87         AC_DEFINE(NO_X11_UNIX_SOCKETS)
  88         ;;
  89 *-*-dgux*)
  90         AC_DEFINE(IP_TOS_IS_BROKEN)
  91         ;;
  92 *-*-darwin*)
  93         AC_DEFINE(BROKEN_GETADDRINFO)
  94         ;;
  95 *-*-hpux10.26)
  96         if test -z "$GCC"; then
  97                 CFLAGS="$CFLAGS -Ae"
  98         fi
  99         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 100         IPADDR_IN_DISPLAY=yes
 101         AC_DEFINE(HAVE_SECUREWARE)
 102         AC_DEFINE(USE_PIPES)
 103         AC_DEFINE(LOGIN_NO_ENDOPT)
 104         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 105         AC_DEFINE(DISABLE_SHADOW)
 106         AC_DEFINE(DISABLE_UTMP)
 107         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 108         LIBS="$LIBS -lxnet -lsec -lsecpw"
 109         disable_ptmx_check=yes
 110         ;;
 111 *-*-hpux10*)
 112         if test -z "$GCC"; then
 113                 CFLAGS="$CFLAGS -Ae"
 114         fi
 115         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 116         IPADDR_IN_DISPLAY=yes
 117         AC_DEFINE(USE_PIPES)
 118         AC_DEFINE(LOGIN_NO_ENDOPT)
 119         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 120         AC_DEFINE(DISABLE_SHADOW)
 121         AC_DEFINE(DISABLE_UTMP)
 122         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 123         LIBS="$LIBS -lxnet -lsec"
 124         ;;
 125 *-*-hpux11*)
 126         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 127         IPADDR_IN_DISPLAY=yes
 128         AC_DEFINE(PAM_SUN_CODEBASE)
 129         AC_DEFINE(USE_PIPES)
 130         AC_DEFINE(LOGIN_NO_ENDOPT)
 131         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 132         AC_DEFINE(DISABLE_SHADOW)
 133         AC_DEFINE(DISABLE_UTMP)
 134         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 135         LIBS="$LIBS -lxnet -lsec"
 136         ;;
 137 *-*-irix5*)
 138         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 139         LDFLAGS="$LDFLAGS"
 140         PATH="$PATH:/usr/etc"
 141         AC_DEFINE(BROKEN_INET_NTOA)
 142         AC_DEFINE(WITH_ABBREV_NO_TTY)
 143         ;;
 144 *-*-irix6*)
 145         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 146         LDFLAGS="$LDFLAGS"
 147         PATH="$PATH:/usr/etc"
 148         AC_DEFINE(WITH_IRIX_ARRAY)
 149         AC_DEFINE(WITH_IRIX_PROJECT)
 150         AC_DEFINE(WITH_IRIX_AUDIT)
 151         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 152         AC_DEFINE(BROKEN_INET_NTOA)
 153         AC_DEFINE(WITH_ABBREV_NO_TTY)
 154         ;;
 155 *-*-linux*)
 156         no_dev_ptmx=1
 157         check_for_libcrypt_later=1
 158         AC_DEFINE(DONT_TRY_OTHER_AF)
 159         AC_DEFINE(PAM_TTY_KLUDGE)
 160         inet6_default_4in6=yes
 161         ;;
 162 mips-sony-bsd|mips-sony-newsos4)
 163         AC_DEFINE(HAVE_NEWS4)
 164         SONY=1
 165         ;;
 166 *-*-netbsd*)
 167         need_dash_r=1
 168         ;;
 169 *-*-freebsd*)
 170         check_for_libcrypt_later=1
 171         ;;
 172 *-next-*)
 173         conf_lastlog_location="/usr/adm/lastlog"
 174         conf_utmp_location=/etc/utmp
 175         conf_wtmp_location=/usr/adm/wtmp
 176         MAIL=/usr/spool/mail
 177         AC_DEFINE(HAVE_NEXT)
 178         AC_DEFINE(BROKEN_REALPATH)
 179         AC_DEFINE(USE_PIPES)
 180         AC_DEFINE(BROKEN_SAVED_UIDS)
 181         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 182         CFLAGS="$CFLAGS"
 183         ;;
 184 *-*-solaris*)
 185         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 186         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 187         need_dash_r=1
 188         AC_DEFINE(PAM_SUN_CODEBASE)
 189         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 190         AC_DEFINE(LOGIN_NEEDS_TERM)
 191         AC_DEFINE(PAM_TTY_KLUDGE)
 192         # hardwire lastlog location (can't detect it on some versions)
 193         conf_lastlog_location="/var/adm/lastlog"
 194         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 195         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 196         if test "$sol2ver" -ge 8; then
 197                 AC_MSG_RESULT(yes)
 198                 AC_DEFINE(DISABLE_UTMP)
 199                 AC_DEFINE(DISABLE_WTMP)
 200         else
 201                 AC_MSG_RESULT(no)
 202         fi
 203         ;;
 204 *-*-sunos4*)
 205         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 206         AC_CHECK_FUNCS(getpwanam)
 207         AC_DEFINE(PAM_SUN_CODEBASE)
 208         conf_utmp_location=/etc/utmp
 209         conf_wtmp_location=/var/adm/wtmp
 210         conf_lastlog_location=/var/adm/lastlog
 211         AC_DEFINE(USE_PIPES)
 212         ;;
 213 *-ncr-sysv*)
 214         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 215         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 216         LIBS="$LIBS -lc89"
 217         AC_DEFINE(USE_PIPES)
 218         ;;
 219 *-sni-sysv*)
 220         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 221         # /usr/ucblib MUST NOT be searched on ReliantUNIX
 222         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 223         IPADDR_IN_DISPLAY=yes
 224         AC_DEFINE(USE_PIPES)
 225         AC_DEFINE(IP_TOS_IS_BROKEN)
 226         # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
 227         # Attention: always take care to bind libsocket and libnsl before libc,
 228         # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
 229         ;;
 230 *-*-sysv4.2*)
 231         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 232         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 233 #       enable_suid_ssh=no
 234         AC_DEFINE(USE_PIPES)
 235         ;;
 236 *-*-sysv5*)
 237         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 238         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 239 #       enable_suid_ssh=no
 240         AC_DEFINE(USE_PIPES)
 241         ;;
 242 *-*-sysv*)
 243         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 244         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 245         ;;
 246 *-*-sco3.2v4*)
 247         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 248         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 249         LIBS="$LIBS -los -lprot -lx -ltinfo -lm"
 250         rsh_path="/usr/bin/rcmd"
 251         RANLIB=true
 252         no_dev_ptmx=1
 253         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 254         AC_DEFINE(USE_PIPES)
 255         AC_DEFINE(HAVE_SECUREWARE)
 256         AC_DEFINE(DISABLE_SHADOW)
 257         AC_DEFINE(BROKEN_SAVED_UIDS)
 258         AC_CHECK_FUNCS(getluid setluid)
 259         MANTYPE=man
 260         do_sco3_extra_lib_check=yes
 261         ;;
 262 *-*-sco3.2v5*)
 263         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 264         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 265         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 266         no_dev_ptmx=1
 267         rsh_path="/usr/bin/rcmd"
 268         AC_DEFINE(USE_PIPES)
 269         AC_DEFINE(HAVE_SECUREWARE)
 270         AC_DEFINE(DISABLE_SHADOW)
 271         AC_CHECK_FUNCS(getluid setluid)
 272         MANTYPE=man
 273         ;;
 274 *-*-unicos*)
 275         no_libsocket=1
 276         no_libnsl=1
 277         AC_DEFINE(USE_PIPES)
 278         LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal,-L/usr/local/lib"
 279         LIBS="$LIBS -lgen -lrsc"
 280         ;;
 281 *-dec-osf*)
 282         AC_MSG_CHECKING(for Digital Unix SIA)
 283         no_osfsia=""
 284         AC_ARG_WITH(osfsia,
 285                 [  --with-osfsia           Enable Digital Unix SIA],
 286                 [
 287                         if test "x$withval" = "xno" ; then
 288                                 AC_MSG_RESULT(disabled)
 289                                 no_osfsia=1
 290                         fi
 291                 ],
 292         )
 293         if test -z "$no_osfsia" ; then
 294                 if test -f /etc/sia/matrix.conf; then
 295                         AC_MSG_RESULT(yes)
 296                         AC_DEFINE(HAVE_OSF_SIA)
 297                         AC_DEFINE(DISABLE_LOGIN)
 298                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 299                 else
 300                         AC_MSG_RESULT(no)
 301                 fi
 302         fi
 303         ;;
 304
 305 *-*-nto-qnx)
 306         AC_DEFINE(USE_PIPES)
 307         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 308         AC_DEFINE(MISSING_NFDBITS)
 309         AC_DEFINE(MISSING_HOWMANY)
 310         AC_DEFINE(MISSING_FD_MASK)
 311         ;;
 312 esac
 313
 314 # Allow user to specify flags
 315 AC_ARG_WITH(cflags,
 316         [  --with-cflags           Specify additional flags to pass to compiler],
 317         [
 318                 if test "x$withval" != "xno" ; then
 319                         CFLAGS="$CFLAGS $withval"
 320                 fi
 321         ]
 322 )
 323 AC_ARG_WITH(cppflags,
 324         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 325         [
 326                 if test "x$withval" != "xno"; then
 327                         CPPFLAGS="$CPPFLAGS $withval"
 328                 fi
 329         ]
 330 )
 331 AC_ARG_WITH(ldflags,
 332         [  --with-ldflags          Specify additional flags to pass to linker],
 333         [
 334                 if test "x$withval" != "xno" ; then
 335                         LDFLAGS="$LDFLAGS $withval"
 336                 fi
 337         ]
 338 )
 339 AC_ARG_WITH(libs,
 340         [  --with-libs             Specify additional libraries to link with],
 341         [
 342                 if test "x$withval" != "xno" ; then
 343                         LIBS="$LIBS $withval"
 344                 fi
 345         ]
 346 )
 347
 348 # Checks for header files.
 349 AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \
 350         getopt.h glob.h lastlog.h limits.h login.h \
 351         login_cap.h maillock.h netdb.h netgroup.h \
 352         netinet/in_systm.h paths.h pty.h readpassphrase.h \
 353         rpc/types.h security/pam_appl.h shadow.h stddef.h stdint.h \
 354         strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
 355         sys/mman.h sys/select.h sys/stat.h \
 356         sys/stropts.h sys/sysmacros.h sys/time.h \
 357         sys/un.h time.h ttyent.h usersec.h \
 358         util.h utime.h utmp.h utmpx.h)
 359
 360 # Checks for libraries.
 361 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
 362 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
 363
 364 dnl SCO OS3 needs this for libwrap
 365 if test "x$with_tcp_wrappers" != "xno" ; then
 366     if test "x$do_sco3_extra_lib_check" = "xyes" ; then
 367         AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 368     fi
 369 fi
 370
 371 AC_CHECK_FUNC(getspnam, ,
 372         AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
 373
 374 AC_ARG_WITH(rpath,
 375         [  --without-rpath         Disable auto-added -R linker paths],
 376         [
 377                 if test "x$withval" = "xno" ; then
 378                         need_dash_r=""
 379                 fi
 380                 if test "x$withval" = "xyes" ; then
 381                         need_dash_r=1
 382                 fi
 383         ]
 384 )
 385
 386 dnl zlib is required
 387 AC_ARG_WITH(zlib,
 388         [  --with-zlib=PATH        Use zlib in PATH],
 389         [
 390                 if test "x$withval" = "xno" ; then
 391                         AC_MSG_ERROR([*** zlib is required ***])
 392                 fi
 393                 if test -d "$withval/lib"; then
 394                         if test -n "${need_dash_r}"; then
 395                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 396                         else
 397                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 398                         fi
 399                 else
 400                         if test -n "${need_dash_r}"; then
 401                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 402                         else
 403                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 404                         fi
 405                 fi
 406                 if test -d "$withval/include"; then
 407                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 408                 else
 409                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 410                 fi
 411         ]
 412 )
 413
 414 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 415
 416 dnl UnixWare 2.x
 417 AC_CHECK_FUNC(strcasecmp,
 418         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 419 )
 420 AC_CHECK_FUNC(utimes,
 421         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 422 )
 423
 424 dnl    Checks for libutil functions
 425 AC_CHECK_HEADERS(libutil.h)
 426 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN)])
 427 AC_CHECK_FUNCS(logout updwtmp logwtmp)
 428
 429 AC_FUNC_STRFTIME
 430
 431 # Check for ALTDIRFUNC glob() extension
 432 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 433 AC_EGREP_CPP(FOUNDIT,
 434         [
 435                 #include <glob.h>
 436                 #ifdef GLOB_ALTDIRFUNC
 437                 FOUNDIT
 438                 #endif
 439         ],
 440         [
 441                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 442                 AC_MSG_RESULT(yes)
 443         ],
 444         [
 445                 AC_MSG_RESULT(no)
 446         ]
 447 )
 448
 449 # Check for g.gl_matchc glob() extension
 450 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 451 AC_EGREP_CPP(FOUNDIT,
 452         [
 453                 #include <glob.h>
 454                 int main(void){glob_t g; g.gl_matchc = 1;}
 455         ],
 456         [
 457                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 458                 AC_MSG_RESULT(yes)
 459         ],
 460         [
 461                 AC_MSG_RESULT(no)
 462         ]
 463 )
 464
 465 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 466 AC_TRY_RUN(
 467         [
 468 #include <sys/types.h>
 469 #include <dirent.h>
 470 int main(void){struct dirent d;return(sizeof(d.d_name)<=sizeof(char));}
 471         ],
 472         [AC_MSG_RESULT(yes)],
 473         [
 474                 AC_MSG_RESULT(no)
 475                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 476         ]
 477 )
 478
 479 # Check whether user wants S/Key support
 480 SKEY_MSG="no"
 481 AC_ARG_WITH(skey,
 482         [  --with-skey[[=PATH]]      Enable S/Key support
 483                             (optionally in PATH)],
 484         [
 485                 if test "x$withval" != "xno" ; then
 486
 487                         if test "x$withval" != "xyes" ; then
 488                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 489                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 490                         fi
 491
 492                         AC_DEFINE(SKEY)
 493                         LIBS="-lskey $LIBS"
 494                         SKEY_MSG="yes"
 495
 496                         AC_MSG_CHECKING([for s/key support])
 497                         AC_TRY_RUN(
 498                                 [
 499 #include <stdio.h>
 500 #include <skey.h>
 501 int main() { char *ff = skey_keyinfo(""); ff=""; return 0; }
 502                                 ],
 503                                 [AC_MSG_RESULT(yes)],
 504                                 [
 505                                         AC_MSG_RESULT(no)
 506                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 507                                 ])
 508                 fi
 509         ]
 510 )
 511
 512 # Check whether user wants TCP wrappers support
 513 TCPW_MSG="no"
 514 AC_ARG_WITH(tcp-wrappers,
 515         [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
 516                             (optionally in PATH)],
 517         [
 518                 if test "x$withval" != "xno" ; then
 519                         saved_LIBS="$LIBS"
 520                         saved_LDFLAGS="$LDFLAGS"
 521                         saved_CPPFLAGS="$CPPFLAGS"
 522                         if test -n "${withval}" -a "${withval}" != "yes"; then
 523                                 if test -d "${withval}/lib"; then
 524                                         if test -n "${need_dash_r}"; then
 525                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 526                                         else
 527                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 528                                         fi
 529                                 else
 530                                         if test -n "${need_dash_r}"; then
 531                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 532                                         else
 533                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 534                                         fi
 535                                 fi
 536                                 if test -d "${withval}/include"; then
 537                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 538                                 else
 539                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 540                                 fi
 541                         fi
 542                         LIBWRAP="-lwrap"
 543                         LIBS="$LIBWRAP $LIBS"
 544                         AC_MSG_CHECKING(for libwrap)
 545                         AC_TRY_LINK(
 546                                 [
 547 #include <tcpd.h>
 548                                         int deny_severity = 0, allow_severity = 0;
 549                                 ],
 550                                 [hosts_access(0);],
 551                                 [
 552                                         AC_MSG_RESULT(yes)
 553                                         AC_DEFINE(LIBWRAP)
 554                                         AC_SUBST(LIBWRAP)
 555                                         TCPW_MSG="yes"
 556                                 ],
 557                                 [
 558                                         AC_MSG_ERROR([*** libwrap missing])
 559                                 ]
 560                         )
 561                         LIBS="$saved_LIBS"
 562                 fi
 563         ]
 564 )
 565
 566 dnl    Checks for library functions.
 567 AC_CHECK_FUNCS(arc4random b64_ntop bcopy bindresvport_sa \
 568         clock fchmod fchown freeaddrinfo futimes gai_strerror \
 569         getaddrinfo getcwd getgrouplist getnameinfo getopt \
 570         getrlimit getrusage getttyent glob inet_aton inet_ntoa \
 571         inet_ntop innetgr login_getcapbool md5_crypt memmove \
 572         mkdtemp mmap ngetaddrinfo openpty ogetaddrinfo readpassphrase \
 573         realpath recvmsg rresvport_af sendmsg setdtablesize setegid \
 574         setenv seteuid setlogin setproctitle setresgid setreuid setrlimit \
 575         setsid setvbuf sigaction sigvec snprintf socketpair strerror \
 576         strlcat strlcpy strmode strsep sysconf tcgetpgrp truncate utimes \
 577         vhangup vsnprintf waitpid __b64_ntop _getpty)
 578
 579 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 580 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 581         AC_CHECK_LIB(gen, dirname,[
 582                 AC_CACHE_CHECK([for broken dirname],
 583                         ac_cv_have_broken_dirname, [
 584                         save_LIBS="$LIBS"
 585                         LIBS="$LIBS -lgen"
 586                         AC_TRY_RUN(
 587                                 [
 588 #include <libgen.h>
 589 #include <string.h>
 590
 591 int main(int argc, char **argv) {
 592     char *s, buf[32];
 593
 594     strncpy(buf,"/etc", 32);
 595     s = dirname(buf);
 596     if (!s || strncmp(s, "/", 32) != 0) {
 597         exit(1);
 598     } else {
 599         exit(0);
 600     }
 601 }
 602                                 ],
 603                                 [ ac_cv_have_broken_dirname="no" ],
 604                                 [ ac_cv_have_broken_dirname="yes" ]
 605                         )
 606                         LIBS="$save_LIBS"
 607                 ])
 608                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 609                         LIBS="$LIBS -lgen"
 610                         AC_DEFINE(HAVE_DIRNAME)
 611                         AC_CHECK_HEADERS(libgen.h)
 612                 fi
 613         ])
 614 ])
 615
 616 dnl    Checks for time functions
 617 AC_CHECK_FUNCS(gettimeofday time)
 618 dnl    Checks for utmp functions
 619 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 620 AC_CHECK_FUNCS(utmpname)
 621 dnl    Checks for utmpx functions
 622 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 623 AC_CHECK_FUNCS(setutxent utmpxname)
 624
 625 AC_CHECK_FUNC(getuserattr,
 626         [AC_DEFINE(HAVE_GETUSERATTR)],
 627         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 628 )
 629
 630 AC_CHECK_FUNC(daemon,
 631         [AC_DEFINE(HAVE_DAEMON)],
 632         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 633 )
 634
 635 AC_CHECK_FUNC(getpagesize,
 636         [AC_DEFINE(HAVE_GETPAGESIZE)],
 637         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 638 )
 639
 640 # Check for broken snprintf
 641 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 642         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 643         AC_TRY_RUN(
 644                 [
 645 #include <stdio.h>
 646 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 647                 ],
 648                 [AC_MSG_RESULT(yes)],
 649                 [
 650                         AC_MSG_RESULT(no)
 651                         AC_DEFINE(BROKEN_SNPRINTF)
 652                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 653                 ]
 654         )
 655 fi
 656
 657 AC_FUNC_GETPGRP
 658
 659 # Check for PAM libs
 660 PAM_MSG="no"
 661 AC_ARG_WITH(pam,
 662         [  --with-pam              Enable PAM support ],
 663         [
 664                 if test "x$withval" != "xno" ; then
 665                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 666                                 AC_MSG_ERROR([PAM headers not found])
 667                         fi
 668
 669                         AC_CHECK_LIB(dl, dlopen, , )
 670                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 671                         AC_CHECK_FUNCS(pam_getenvlist)
 672
 673                         disable_shadow=yes
 674                         PAM_MSG="yes"
 675
 676                         AC_DEFINE(USE_PAM)
 677                         if test $ac_cv_lib_dl_dlopen = yes; then
 678                                 LIBPAM="-lpam -ldl"
 679                         else
 680                                 LIBPAM="-lpam"
 681                         fi
 682                         AC_SUBST(LIBPAM)
 683                 fi
 684         ]
 685 )
 686
 687 # Check for older PAM
 688 if test "x$PAM_MSG" = "xyes" ; then
 689         # Check PAM strerror arguments (old PAM)
 690         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 691         AC_TRY_COMPILE(
 692                 [
 693 #include <stdlib.h>
 694 #include <security/pam_appl.h>
 695                 ],
 696                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 697                 [AC_MSG_RESULT(no)],
 698                 [
 699                         AC_DEFINE(HAVE_OLD_PAM)
 700                         AC_MSG_RESULT(yes)
 701                         PAM_MSG="yes (old library)"
 702                 ]
 703         )
 704 fi
 705
 706 # Search for OpenSSL
 707 saved_CPPFLAGS="$CPPFLAGS"
 708 saved_LDFLAGS="$LDFLAGS"
 709 AC_ARG_WITH(ssl-dir,
 710         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 711         [
 712                 if test "x$withval" != "xno" ; then
 713                         if test -d "$withval/lib"; then
 714                                 if test -n "${need_dash_r}"; then
 715                                         LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 716                                 else
 717                                         LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 718                                 fi
 719                         else
 720                                 if test -n "${need_dash_r}"; then
 721                                         LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 722                                 else
 723                                         LDFLAGS="-L${withval} ${LDFLAGS}"
 724                                 fi
 725                         fi
 726                         if test -d "$withval/include"; then
 727                                 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 728                         else
 729                                 CPPFLAGS="-I${withval} ${CPPFLAGS}"
 730                         fi
 731                 fi
 732         ]
 733 )
 734 LIBS="$LIBS -lcrypto"
 735 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 736         [
 737                 dnl Check default openssl install dir
 738                 if test -n "${need_dash_r}"; then
 739                         LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
 740                 else
 741                         LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
 742                 fi
 743                 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
 744                 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 745                         [
 746                                 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
 747                         ]
 748                 )
 749         ]
 750 )
 751
 752
 753 # Sanity check OpenSSL headers
 754 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
 755 AC_TRY_RUN(
 756         [
 757 #include <string.h>
 758 #include <openssl/opensslv.h>
 759 int main(void) { return(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
 760         ],
 761         [
 762                 AC_MSG_RESULT(yes)
 763         ],
 764         [
 765                 AC_MSG_RESULT(no)
 766                 AC_MSG_ERROR(Your OpenSSL headers do not match your library)
 767         ]
 768 )
 769
 770 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 771 # version in OpenSSL. Skip this for PAM
 772 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 773         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 774 fi
 775
 776
 777 ### Configure cryptographic random number support
 778
 779 # Check wheter OpenSSL seeds itself
 780 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
 781 AC_TRY_RUN(
 782         [
 783 #include <string.h>
 784 #include <openssl/rand.h>
 785 int main(void) { return(RAND_status() == 1 ? 0 : 1); }
 786         ],
 787         [
 788                 OPENSSL_SEEDS_ITSELF=yes
 789                 AC_MSG_RESULT(yes)
 790         ],
 791         [
 792                 AC_MSG_RESULT(no)
 793                 # Default to use of the rand helper if OpenSSL doesn't
 794                 # seed itself
 795                 USE_RAND_HELPER=yes
 796         ]
 797 )
 798
 799
 800 # Do we want to force the use of the rand helper?
 801 AC_ARG_WITH(rand-helper,
 802         [  --with-rand-helper      Use subprocess to gather strong randomness ],
 803         [
 804                 if test "x$withval" = "xno" ; then
 805                         # Force use of OpenSSL's internal RNG, even if
 806                         # the previous test showed it to be unseeded.
 807                         if test -z "$OPENSSL_SEEDS_ITSELF" ; then
 808                                 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
 809                                 OPENSSL_SEEDS_ITSELF=yes
 810                                 USE_RAND_HELPER=""
 811                         fi
 812                 else
 813                         USE_RAND_HELPER=yes
 814                 fi
 815         ],
 816 )
 817
 818 # Which randomness source do we use?
 819 if test ! -z "$OPENSSL_SEEDS_ITSELF" -a -z "$USE_RAND_HELPER" ; then
 820         # OpenSSL only
 821         AC_DEFINE(OPENSSL_PRNG_ONLY)
 822         RAND_MSG="OpenSSL internal ONLY"
 823         INSTALL_SSH_RAND_HELPER=""
 824 elif test ! -z "$USE_RAND_HELPER" ; then
 825         # install rand helper
 826         RAND_MSG="ssh-rand-helper"
 827         INSTALL_SSH_RAND_HELPER="yes"
 828 fi
 829 AC_SUBST(INSTALL_SSH_RAND_HELPER)
 830
 831 ### Configuration of ssh-rand-helper
 832
 833 # PRNGD TCP socket
 834 AC_ARG_WITH(prngd-port,
 835         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD TCP localhost:PORT],
 836         [
 837                 case "$withval" in
 838                 no)
 839                         withval=""
 840                         ;;
 841                 [[0-9]]*)
 842                         ;;
 843                 *)
 844                         AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
 845                         ;;
 846                 esac
 847                 if test ! -z "$withval" ; then
 848                         PRNGD_PORT="$withval"
 849                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
 850                 fi
 851         ]
 852 )
 853
 854 # PRNGD Unix domain socket
 855 AC_ARG_WITH(prngd-socket,
 856         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
 857         [
 858                 case "$withval" in
 859                 yes)
 860                         withval="/var/run/egd-pool"
 861                         ;;
 862                 no)
 863                         withval=""
 864                         ;;
 865                 /*)
 866                         ;;
 867                 *)
 868                         AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
 869                         ;;
 870                 esac
 871
 872                 if test ! -z "$withval" ; then
 873                         if test ! -z "$PRNGD_PORT" ; then
 874                                 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
 875                         fi
 876                         if test ! -r "$withval" ; then
 877                                 AC_MSG_WARN(Entropy socket is not readable)
 878                         fi
 879                         PRNGD_SOCKET="$withval"
 880                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
 881                 fi
 882         ],
 883         [
 884                 # Check for existing socket only if we don't have a random device already
 885                 if test "$USE_RAND_HELPER" = yes ; then
 886                         AC_MSG_CHECKING(for PRNGD/EGD socket)
 887                         # Insert other locations here
 888                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
 889                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
 890                                         PRNGD_SOCKET="$sock"
 891                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
 892                                         break;
 893                                 fi
 894                         done
 895                         if test ! -z "$PRNGD_SOCKET" ; then
 896                                 AC_MSG_RESULT($PRNGD_SOCKET)
 897                         else
 898                                 AC_MSG_RESULT(not found)
 899                         fi
 900                 fi
 901         ]
 902 )
 903
 904 # Change default command timeout for hashing entropy source
 905 entropy_timeout=200
 906 AC_ARG_WITH(entropy-timeout,
 907         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
 908         [
 909                 if test "x$withval" != "xno" ; then
 910                         entropy_timeout=$withval
 911                 fi
 912         ]
 913 )
 914 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
 915
 916 ssh_privsep_user=sshd
 917 AC_ARG_WITH(privsep-user,
 918         [  --with-privsep-user=user Specify non-privileged user for privilege separation],
 919         [
 920                 if test -n "$withval"; then
 921                         ssh_privsep_user=$withval
 922                 fi
 923         ]
 924 )
 925 AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$ssh_privsep_user")
 926
 927 # We do this little dance with the search path to insure
 928 # that programs that we select for use by installed programs
 929 # (which may be run by the super-user) come from trusted
 930 # locations before they come from the user's private area.
 931 # This should help avoid accidentally configuring some
 932 # random version of a program in someone's personal bin.
 933
 934 OPATH=$PATH
 935 PATH=/bin:/usr/bin
 936 test -h /bin 2> /dev/null && PATH=/usr/bin
 937 test -d /sbin && PATH=$PATH:/sbin
 938 test -d /usr/sbin && PATH=$PATH:/usr/sbin
 939 PATH=$PATH:/etc:$OPATH
 940
 941 # These programs are used by the command hashing source to gather entropy
 942 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
 943 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
 944 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
 945 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
 946 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
 947 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
 948 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
 949 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
 950 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
 951 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
 952 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
 953 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
 954 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
 955 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
 956 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
 957 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
 958 # restore PATH
 959 PATH=$OPATH
 960
 961 # Where does ssh-rand-helper get its randomness from?
 962 INSTALL_SSH_PRNG_CMDS=""
 963 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
 964         if test ! -z "$PRNGD_PORT" ; then
 965                 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
 966         elif test ! -z "$PRNGD_SOCKET" ; then
 967                 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
 968         else
 969                 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
 970                 RAND_HELPER_CMDHASH=yes
 971                 INSTALL_SSH_PRNG_CMDS="yes"
 972         fi
 973 fi
 974 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
 975
 976
 977 # Cheap hack to ensure NEWS-OS libraries are arranged right.
 978 if test ! -z "$SONY" ; then
 979   LIBS="$LIBS -liberty";
 980 fi
 981
 982 # Checks for data types
 983 AC_CHECK_SIZEOF(char, 1)
 984 AC_CHECK_SIZEOF(short int, 2)
 985 AC_CHECK_SIZEOF(int, 4)
 986 AC_CHECK_SIZEOF(long int, 4)
 987 AC_CHECK_SIZEOF(long long int, 8)
 988
 989 # Sanity check long long for some platforms (AIX)
 990 if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
 991         ac_cv_sizeof_long_long_int=0
 992 fi
 993
 994 # More checks for data types
 995 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
 996         AC_TRY_COMPILE(
 997                 [ #include <sys/types.h> ],
 998                 [ u_int a; a = 1;],
 999                 [ ac_cv_have_u_int="yes" ],
1000                 [ ac_cv_have_u_int="no" ]
1001         )
1002 ])
1003 if test "x$ac_cv_have_u_int" = "xyes" ; then
1004         AC_DEFINE(HAVE_U_INT)
1005         have_u_int=1
1006 fi
1007
1008 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
1009         AC_TRY_COMPILE(
1010                 [ #include <sys/types.h> ],
1011                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1012                 [ ac_cv_have_intxx_t="yes" ],
1013                 [ ac_cv_have_intxx_t="no" ]
1014         )
1015 ])
1016 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
1017         AC_DEFINE(HAVE_INTXX_T)
1018         have_intxx_t=1
1019 fi
1020
1021 if (test -z "$have_intxx_t" && \
1022            test "x$ac_cv_header_stdint_h" = "xyes")
1023 then
1024     AC_MSG_CHECKING([for intXX_t types in stdint.h])
1025         AC_TRY_COMPILE(
1026                 [ #include <stdint.h> ],
1027                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1028                 [
1029                         AC_DEFINE(HAVE_INTXX_T)
1030                         AC_MSG_RESULT(yes)
1031                 ],
1032                 [ AC_MSG_RESULT(no) ]
1033         )
1034 fi
1035
1036 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
1037         AC_TRY_COMPILE(
1038                 [ #include <sys/types.h> ],
1039                 [ int64_t a; a = 1;],
1040                 [ ac_cv_have_int64_t="yes" ],
1041                 [ ac_cv_have_int64_t="no" ]
1042         )
1043 ])
1044 if test "x$ac_cv_have_int64_t" = "xyes" ; then
1045         AC_DEFINE(HAVE_INT64_T)
1046         have_int64_t=1
1047 fi
1048
1049 if test -z "$have_int64_t" ; then
1050     AC_MSG_CHECKING([for int64_t type in sys/socket.h])
1051         AC_TRY_COMPILE(
1052                 [ #include <sys/socket.h> ],
1053                 [ int64_t a; a = 1],
1054                 [
1055                         AC_DEFINE(HAVE_INT64_T)
1056                         AC_MSG_RESULT(yes)
1057                 ],
1058                 [ AC_MSG_RESULT(no) ]
1059         )
1060 fi
1061
1062 if test -z "$have_int64_t" ; then
1063     AC_MSG_CHECKING([for int64_t type in sys/bitypes.h])
1064         AC_TRY_COMPILE(
1065                 [ #include <sys/bitypes.h> ],
1066                 [ int64_t a; a = 1],
1067                 [
1068                         AC_DEFINE(HAVE_INT64_T)
1069                         AC_MSG_RESULT(yes)
1070                 ],
1071                 [ AC_MSG_RESULT(no) ]
1072         )
1073 fi
1074
1075 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
1076         AC_TRY_COMPILE(
1077                 [ #include <sys/types.h> ],
1078                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1079                 [ ac_cv_have_u_intxx_t="yes" ],
1080                 [ ac_cv_have_u_intxx_t="no" ]
1081         )
1082 ])
1083 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
1084         AC_DEFINE(HAVE_U_INTXX_T)
1085         have_u_intxx_t=1
1086 fi
1087
1088 if test -z "$have_u_intxx_t" ; then
1089     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
1090         AC_TRY_COMPILE(
1091                 [ #include <sys/socket.h> ],
1092                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1093                 [
1094                         AC_DEFINE(HAVE_U_INTXX_T)
1095                         AC_MSG_RESULT(yes)
1096                 ],
1097                 [ AC_MSG_RESULT(no) ]
1098         )
1099 fi
1100
1101 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
1102         AC_TRY_COMPILE(
1103                 [ #include <sys/types.h> ],
1104                 [ u_int64_t a; a = 1;],
1105                 [ ac_cv_have_u_int64_t="yes" ],
1106                 [ ac_cv_have_u_int64_t="no" ]
1107         )
1108 ])
1109 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
1110         AC_DEFINE(HAVE_U_INT64_T)
1111         have_u_int64_t=1
1112 fi
1113
1114 if test -z "$have_u_int64_t" ; then
1115     AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
1116         AC_TRY_COMPILE(
1117                 [ #include <sys/bitypes.h> ],
1118                 [ u_int64_t a; a = 1],
1119                 [
1120                         AC_DEFINE(HAVE_U_INT64_T)
1121                         AC_MSG_RESULT(yes)
1122                 ],
1123                 [ AC_MSG_RESULT(no) ]
1124         )
1125 fi
1126
1127 if test -z "$have_u_intxx_t" ; then
1128         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
1129                 AC_TRY_COMPILE(
1130                         [
1131 #include <sys/types.h>
1132                         ],
1133                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
1134                         [ ac_cv_have_uintxx_t="yes" ],
1135                         [ ac_cv_have_uintxx_t="no" ]
1136                 )
1137         ])
1138         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
1139                 AC_DEFINE(HAVE_UINTXX_T)
1140         fi
1141 fi
1142
1143 if test -z "$have_uintxx_t" ; then
1144     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
1145         AC_TRY_COMPILE(
1146                 [ #include <stdint.h> ],
1147                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
1148                 [
1149                         AC_DEFINE(HAVE_UINTXX_T)
1150                         AC_MSG_RESULT(yes)
1151                 ],
1152                 [ AC_MSG_RESULT(no) ]
1153         )
1154 fi
1155
1156 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
1157            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
1158 then
1159         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
1160         AC_TRY_COMPILE(
1161                 [
1162 #include <sys/bitypes.h>
1163                 ],
1164                 [
1165                         int8_t a; int16_t b; int32_t c;
1166                         u_int8_t e; u_int16_t f; u_int32_t g;
1167                         a = b = c = e = f = g = 1;
1168                 ],
1169                 [
1170                         AC_DEFINE(HAVE_U_INTXX_T)
1171                         AC_DEFINE(HAVE_INTXX_T)
1172                         AC_MSG_RESULT(yes)
1173                 ],
1174                 [AC_MSG_RESULT(no)]
1175         )
1176 fi
1177
1178
1179 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
1180         AC_TRY_COMPILE(
1181                 [
1182 #include <sys/types.h>
1183                 ],
1184                 [ u_char foo; foo = 125; ],
1185                 [ ac_cv_have_u_char="yes" ],
1186                 [ ac_cv_have_u_char="no" ]
1187         )
1188 ])
1189 if test "x$ac_cv_have_u_char" = "xyes" ; then
1190         AC_DEFINE(HAVE_U_CHAR)
1191 fi
1192
1193 TYPE_SOCKLEN_T
1194
1195 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
1196
1197 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
1198         AC_TRY_COMPILE(
1199                 [
1200 #include <sys/types.h>
1201                 ],
1202                 [ size_t foo; foo = 1235; ],
1203                 [ ac_cv_have_size_t="yes" ],
1204                 [ ac_cv_have_size_t="no" ]
1205         )
1206 ])
1207 if test "x$ac_cv_have_size_t" = "xyes" ; then
1208         AC_DEFINE(HAVE_SIZE_T)
1209 fi
1210
1211 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
1212         AC_TRY_COMPILE(
1213                 [
1214 #include <sys/types.h>
1215                 ],
1216                 [ ssize_t foo; foo = 1235; ],
1217                 [ ac_cv_have_ssize_t="yes" ],
1218                 [ ac_cv_have_ssize_t="no" ]
1219         )
1220 ])
1221 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
1222         AC_DEFINE(HAVE_SSIZE_T)
1223 fi
1224
1225 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
1226         AC_TRY_COMPILE(
1227                 [
1228 #include <time.h>
1229                 ],
1230                 [ clock_t foo; foo = 1235; ],
1231                 [ ac_cv_have_clock_t="yes" ],
1232                 [ ac_cv_have_clock_t="no" ]
1233         )
1234 ])
1235 if test "x$ac_cv_have_clock_t" = "xyes" ; then
1236         AC_DEFINE(HAVE_CLOCK_T)
1237 fi
1238
1239 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
1240         AC_TRY_COMPILE(
1241                 [
1242 #include <sys/types.h>
1243 #include <sys/socket.h>
1244                 ],
1245                 [ sa_family_t foo; foo = 1235; ],
1246                 [ ac_cv_have_sa_family_t="yes" ],
1247                 [ AC_TRY_COMPILE(
1248                   [
1249 #include <sys/types.h>
1250 #include <sys/socket.h>
1251 #include <netinet/in.h>
1252                 ],
1253                 [ sa_family_t foo; foo = 1235; ],
1254                 [ ac_cv_have_sa_family_t="yes" ],
1255
1256                 [ ac_cv_have_sa_family_t="no" ]
1257         )]
1258         )
1259 ])
1260 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
1261         AC_DEFINE(HAVE_SA_FAMILY_T)
1262 fi
1263
1264 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
1265         AC_TRY_COMPILE(
1266                 [
1267 #include <sys/types.h>
1268                 ],
1269                 [ pid_t foo; foo = 1235; ],
1270                 [ ac_cv_have_pid_t="yes" ],
1271                 [ ac_cv_have_pid_t="no" ]
1272         )
1273 ])
1274 if test "x$ac_cv_have_pid_t" = "xyes" ; then
1275         AC_DEFINE(HAVE_PID_T)
1276 fi
1277
1278 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
1279         AC_TRY_COMPILE(
1280                 [
1281 #include <sys/types.h>
1282                 ],
1283                 [ mode_t foo; foo = 1235; ],
1284                 [ ac_cv_have_mode_t="yes" ],
1285                 [ ac_cv_have_mode_t="no" ]
1286         )
1287 ])
1288 if test "x$ac_cv_have_mode_t" = "xyes" ; then
1289         AC_DEFINE(HAVE_MODE_T)
1290 fi
1291
1292
1293 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
1294         AC_TRY_COMPILE(
1295                 [
1296 #include <sys/types.h>
1297 #include <sys/socket.h>
1298                 ],
1299                 [ struct sockaddr_storage s; ],
1300                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
1301                 [ ac_cv_have_struct_sockaddr_storage="no" ]
1302         )
1303 ])
1304 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
1305         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
1306 fi
1307
1308 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
1309         AC_TRY_COMPILE(
1310                 [
1311 #include <sys/types.h>
1312 #include <netinet/in.h>
1313                 ],
1314                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1315                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1316                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1317         )
1318 ])
1319 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1320         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1321 fi
1322
1323 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1324         AC_TRY_COMPILE(
1325                 [
1326 #include <sys/types.h>
1327 #include <netinet/in.h>
1328                 ],
1329                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1330                 [ ac_cv_have_struct_in6_addr="yes" ],
1331                 [ ac_cv_have_struct_in6_addr="no" ]
1332         )
1333 ])
1334 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1335         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1336 fi
1337
1338 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1339         AC_TRY_COMPILE(
1340                 [
1341 #include <sys/types.h>
1342 #include <sys/socket.h>
1343 #include <netdb.h>
1344                 ],
1345                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1346                 [ ac_cv_have_struct_addrinfo="yes" ],
1347                 [ ac_cv_have_struct_addrinfo="no" ]
1348         )
1349 ])
1350 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1351         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1352 fi
1353
1354 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1355         AC_TRY_COMPILE(
1356                 [ #include <sys/time.h> ],
1357                 [ struct timeval tv; tv.tv_sec = 1;],
1358                 [ ac_cv_have_struct_timeval="yes" ],
1359                 [ ac_cv_have_struct_timeval="no" ]
1360         )
1361 ])
1362 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1363         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1364         have_struct_timeval=1
1365 fi
1366
1367 # If we don't have int64_t then we can't compile sftp-server.  So don't
1368 # even attempt to do it.
1369 if test "x$ac_cv_have_int64_t" = "xno" -a \
1370         "x$ac_cv_sizeof_long_int" != "x8" -a \
1371         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1372         NO_SFTP='#'
1373 else
1374 dnl test snprintf (broken on SCO w/gcc)
1375         AC_TRY_RUN(
1376                 [
1377 #include <stdio.h>
1378 #include <string.h>
1379 #ifdef HAVE_SNPRINTF
1380 main()
1381 {
1382         char buf[50];
1383         char expected_out[50];
1384         int mazsize = 50 ;
1385 #if (SIZEOF_LONG_INT == 8)
1386         long int num = 0x7fffffffffffffff;
1387 #else
1388         long long num = 0x7fffffffffffffffll;
1389 #endif
1390         strcpy(expected_out, "9223372036854775807");
1391         snprintf(buf, mazsize, "%lld", num);
1392         if(strcmp(buf, expected_out) != 0)
1393                 exit(1);
1394         exit(0);
1395 }
1396 #else
1397 main() { exit(0); }
1398 #endif
1399                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1400         )
1401 fi
1402 AC_SUBST(NO_SFTP)
1403
1404 dnl Checks for structure members
1405 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1406 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1407 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1408 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1409 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1410 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1411 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1412 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1413 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1414 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1415 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1416 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1417 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1418 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1419 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1420 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1421 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1422
1423 AC_CHECK_MEMBERS([struct stat.st_blksize])
1424
1425 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1426                 ac_cv_have_ss_family_in_struct_ss, [
1427         AC_TRY_COMPILE(
1428                 [
1429 #include <sys/types.h>
1430 #include <sys/socket.h>
1431                 ],
1432                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1433                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1434                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1435         )
1436 ])
1437 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1438         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1439 fi
1440
1441 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1442                 ac_cv_have___ss_family_in_struct_ss, [
1443         AC_TRY_COMPILE(
1444                 [
1445 #include <sys/types.h>
1446 #include <sys/socket.h>
1447                 ],
1448                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1449                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1450                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1451         )
1452 ])
1453 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1454         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1455 fi
1456
1457 AC_CACHE_CHECK([for pw_class field in struct passwd],
1458                 ac_cv_have_pw_class_in_struct_passwd, [
1459         AC_TRY_COMPILE(
1460                 [
1461 #include <pwd.h>
1462                 ],
1463                 [ struct passwd p; p.pw_class = 0; ],
1464                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1465                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1466         )
1467 ])
1468 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1469         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1470 fi
1471
1472 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1473                 ac_cv_have_pw_expire_in_struct_passwd, [
1474         AC_TRY_COMPILE(
1475                 [
1476 #include <pwd.h>
1477                 ],
1478                 [ struct passwd p; p.pw_expire = 0; ],
1479                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1480                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1481         )
1482 ])
1483 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1484         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1485 fi
1486
1487 AC_CACHE_CHECK([for pw_change field in struct passwd],
1488                 ac_cv_have_pw_change_in_struct_passwd, [
1489         AC_TRY_COMPILE(
1490                 [
1491 #include <pwd.h>
1492                 ],
1493                 [ struct passwd p; p.pw_change = 0; ],
1494                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1495                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1496         )
1497 ])
1498 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1499         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1500 fi
1501
1502 dnl make sure we're using the real structure members and not defines
1503 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
1504                 ac_cv_have_accrights_in_msghdr, [
1505         AC_TRY_RUN(
1506                 [
1507 #include <sys/types.h>
1508 #include <sys/socket.h>
1509 #include <sys/uio.h>
1510 int main() {
1511 #ifdef msg_accrights
1512 exit(1);
1513 #endif
1514 struct msghdr m;
1515 m.msg_accrights = 0;
1516 exit(0);
1517 }
1518                 ],
1519                 [ ac_cv_have_accrights_in_msghdr="yes" ],
1520                 [ ac_cv_have_accrights_in_msghdr="no" ]
1521         )
1522 ])
1523 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
1524         AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
1525 fi
1526
1527 AC_CACHE_CHECK([for msg_control field in struct msghdr],
1528                 ac_cv_have_control_in_msghdr, [
1529         AC_TRY_RUN(
1530                 [
1531 #include <sys/types.h>
1532 #include <sys/socket.h>
1533 #include <sys/uio.h>
1534 int main() {
1535 #ifdef msg_control
1536 exit(1);
1537 #endif
1538 struct msghdr m;
1539 m.msg_control = 0;
1540 exit(0);
1541 }
1542                 ],
1543                 [ ac_cv_have_control_in_msghdr="yes" ],
1544                 [ ac_cv_have_control_in_msghdr="no" ]
1545         )
1546 ])
1547 if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
1548         AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
1549 fi
1550
1551 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1552         AC_TRY_LINK([],
1553                 [ extern char *__progname; printf("%s", __progname); ],
1554                 [ ac_cv_libc_defines___progname="yes" ],
1555                 [ ac_cv_libc_defines___progname="no" ]
1556         )
1557 ])
1558 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1559         AC_DEFINE(HAVE___PROGNAME)
1560 fi
1561
1562 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
1563         AC_TRY_LINK([
1564 #include <stdio.h>
1565 ],
1566                 [ printf("%s", __FUNCTION__); ],
1567                 [ ac_cv_cc_implements___FUNCTION__="yes" ],
1568                 [ ac_cv_cc_implements___FUNCTION__="no" ]
1569         )
1570 ])
1571 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
1572         AC_DEFINE(HAVE___FUNCTION__)
1573 fi
1574
1575 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
1576         AC_TRY_LINK([
1577 #include <stdio.h>
1578 ],
1579                 [ printf("%s", __func__); ],
1580                 [ ac_cv_cc_implements___func__="yes" ],
1581                 [ ac_cv_cc_implements___func__="no" ]
1582         )
1583 ])
1584 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
1585         AC_DEFINE(HAVE___func__)
1586 fi
1587
1588 AC_CACHE_CHECK([whether getopt has optreset support],
1589                 ac_cv_have_getopt_optreset, [
1590         AC_TRY_LINK(
1591                 [
1592 #include <getopt.h>
1593                 ],
1594                 [ extern int optreset; optreset = 0; ],
1595                 [ ac_cv_have_getopt_optreset="yes" ],
1596                 [ ac_cv_have_getopt_optreset="no" ]
1597         )
1598 ])
1599 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
1600         AC_DEFINE(HAVE_GETOPT_OPTRESET)
1601 fi
1602
1603 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1604         AC_TRY_LINK([],
1605                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1606                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1607                 [ ac_cv_libc_defines_sys_errlist="no" ]
1608         )
1609 ])
1610 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1611         AC_DEFINE(HAVE_SYS_ERRLIST)
1612 fi
1613
1614
1615 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1616         AC_TRY_LINK([],
1617                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1618                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1619                 [ ac_cv_libc_defines_sys_nerr="no" ]
1620         )
1621 ])
1622 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1623         AC_DEFINE(HAVE_SYS_NERR)
1624 fi
1625
1626 SCARD_MSG="no"
1627
1628 # Check whether user wants sectok support
1629 AC_ARG_WITH(sectok,
1630         [  --with-sectok           Enable smartcard support using libsectok],
1631         [
1632                 if test "x$withval" != "xno" ; then
1633                         if test "x$withval" != "xyes" ; then
1634                                 CPPFLAGS="$CPPFLAGS -I${withval}"
1635                                 LDFLAGS="$LDFLAGS -L${withval}"
1636                                 if test ! -z "$need_dash_r" ; then
1637                                         LDFLAGS="$LDFLAGS -R${withval}"
1638                                 fi
1639                                 if test ! -z "$blibpath" ; then
1640                                         blibpath="$blibpath:${withval}"
1641                                 fi
1642                         fi
1643                         AC_CHECK_HEADERS(sectok.h)
1644                         if test "$ac_cv_header_sectok_h" != yes; then
1645                                 AC_MSG_ERROR(Can't find sectok.h)
1646                         fi
1647                         AC_CHECK_LIB(sectok, sectok_open)
1648                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
1649                                 AC_MSG_ERROR(Can't find libsectok)
1650                         fi
1651                         AC_DEFINE(SMARTCARD)
1652                         AC_DEFINE(USE_SECTOK)
1653                         SCARD_MSG="yes, using sectok"
1654                 fi
1655         ]
1656 )
1657
1658 # Check whether user wants OpenSC support
1659 AC_ARG_WITH(opensc,
1660         AC_HELP_STRING([--with-opensc=PFX],
1661                        [Enable smartcard support using OpenSC]),
1662         opensc_config_prefix="$withval", opensc_config_prefix="")
1663 if test x$opensc_config_prefix != x ; then
1664   OPENSC_CONFIG=$opensc_config_prefix/bin/opensc-config
1665   AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
1666   if test "$OPENSC_CONFIG" != "no"; then
1667     LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
1668     LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
1669     CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
1670     LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"
1671     AC_DEFINE(SMARTCARD)
1672     AC_DEFINE(USE_OPENSC)
1673     SCARD_MSG="yes, using OpenSC"
1674   fi
1675 fi
1676
1677 # Check whether user wants Kerberos 5 support
1678 KRB5_MSG="no"
1679 AC_ARG_WITH(kerberos5,
1680         [  --with-kerberos5=PATH   Enable Kerberos 5 support],
1681         [
1682                 if test "x$withval" != "xno" ; then
1683                         if test "x$withval" = "xyes" ; then
1684                                 KRB5ROOT="/usr/local"
1685                         else
1686                                 KRB5ROOT=${withval}
1687                         fi
1688                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
1689                         LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
1690                         AC_DEFINE(KRB5)
1691                         KRB5_MSG="yes"
1692                         AC_MSG_CHECKING(whether we are using Heimdal)
1693                         AC_TRY_COMPILE([ #include <krb5.h> ],
1694                                        [ char *tmp = heimdal_version; ],
1695                                        [ AC_MSG_RESULT(yes)
1696                                          AC_DEFINE(HEIMDAL)
1697                                          K5LIBS="-lkrb5 -ldes -lcom_err -lasn1 -lroken"
1698                                        ],
1699                                        [ AC_MSG_RESULT(no)
1700                                          K5LIBS="-lkrb5 -lk5crypto -lcom_err"
1701                                        ]
1702                         )
1703                         if test ! -z "$need_dash_r" ; then
1704                                 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
1705                         fi
1706                         if test ! -z "$blibpath" ; then
1707                                 blibpath="$blibpath:${KRB5ROOT}/lib"
1708                         fi
1709                         AC_CHECK_LIB(resolv, dn_expand, , )
1710
1711                         KRB5=yes
1712                 fi
1713         ]
1714 )
1715 # Check whether user wants Kerberos 4 support
1716 KRB4_MSG="no"
1717 AC_ARG_WITH(kerberos4,
1718         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1719         [
1720                 if test "x$withval" != "xno" ; then
1721                         if test "x$withval" != "xyes" ; then
1722                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1723                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1724                                 if test ! -z "$need_dash_r" ; then
1725                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1726                                 fi
1727                                 if test ! -z "$blibpath" ; then
1728                                         blibpath="$blibpath:${withval}/lib"
1729                                 fi
1730                         else
1731                                 if test -d /usr/include/kerberosIV ; then
1732                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1733                                 fi
1734                         fi
1735
1736                         AC_CHECK_HEADERS(krb.h)
1737                         if test "$ac_cv_header_krb_h" != yes; then
1738                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1739                         fi
1740                         AC_CHECK_LIB(krb, main)
1741                         if test "$ac_cv_lib_krb_main" != yes; then
1742                                 AC_CHECK_LIB(krb4, main)
1743                                 if test "$ac_cv_lib_krb4_main" != yes; then
1744                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
1745                                 else
1746                                         KLIBS="-lkrb4"
1747                                 fi
1748                         else
1749                                 KLIBS="-lkrb"
1750                         fi
1751                         AC_CHECK_LIB(des, des_cbc_encrypt)
1752                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
1753                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
1754                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
1755                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
1756                                 else
1757                                         KLIBS="-ldes425"
1758                                 fi
1759                         else
1760                                 KLIBS="-ldes"
1761                         fi
1762                         AC_CHECK_LIB(resolv, dn_expand, , )
1763                         KRB4=yes
1764                         KRB4_MSG="yes"
1765                         AC_DEFINE(KRB4)
1766                 fi
1767         ]
1768 )
1769
1770 # Check whether user wants AFS support
1771 AFS_MSG="no"
1772 AC_ARG_WITH(afs,
1773         [  --with-afs=PATH         Enable AFS support],
1774         [
1775                 if test "x$withval" != "xno" ; then
1776
1777                         if test "x$withval" != "xyes" ; then
1778                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1779                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1780                         fi
1781
1782                         if test -z "$KRB4" ; then
1783                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1784                         fi
1785
1786                         LIBS="-lkafs $LIBS"
1787                         if test ! -z "$AFS_LIBS" ; then
1788                                 LIBS="$LIBS $AFS_LIBS"
1789                         fi
1790                         AC_DEFINE(AFS)
1791                         AFS_MSG="yes"
1792                 fi
1793         ]
1794 )
1795 LIBS="$LIBS $KLIBS $K5LIBS"
1796
1797 # Looking for programs, paths and files
1798 AC_ARG_WITH(rsh,
1799         [  --with-rsh=PATH         Specify path to remote shell program ],
1800         [
1801                 if test "x$withval" != "$no" ; then
1802                         rsh_path=$withval
1803                 fi
1804         ],
1805         [
1806                 AC_PATH_PROG(rsh_path, rsh)
1807         ]
1808 )
1809
1810 PRIVSEP_PATH=/var/empty
1811 AC_ARG_WITH(privsep-path,
1812         [  --with-privsep-path=xxx Path for privilege separation chroot ],
1813         [
1814                 if test "x$withval" != "$no" ; then
1815                         PRIVSEP_PATH=$withval
1816                 fi
1817         ]
1818 )
1819 AC_SUBST(PRIVSEP_PATH)
1820
1821 AC_ARG_WITH(xauth,
1822         [  --with-xauth=PATH       Specify path to xauth program ],
1823         [
1824                 if test "x$withval" != "xno" ; then
1825                         xauth_path=$withval
1826                 fi
1827         ],
1828         [
1829                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1830                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1831                         xauth_path="/usr/openwin/bin/xauth"
1832                 fi
1833         ]
1834 )
1835
1836 if test -z "$xauth_path" ; then
1837         XAUTH_PATH="undefined"
1838         AC_SUBST(XAUTH_PATH)
1839 else
1840         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1841         XAUTH_PATH=$xauth_path
1842         AC_SUBST(XAUTH_PATH)
1843 fi
1844 if test ! -z "$rsh_path" ; then
1845         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
1846 fi
1847
1848 # Check for mail directory (last resort if we cannot get it from headers)
1849 if test ! -z "$MAIL" ; then
1850         maildir=`dirname $MAIL`
1851         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1852 fi
1853
1854 if test -z "$no_dev_ptmx" ; then
1855         if test "x$disable_ptmx_check" != "xyes" ; then
1856                 AC_CHECK_FILE("/dev/ptmx",
1857                         [
1858                                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1859                                 have_dev_ptmx=1
1860                         ]
1861                 )
1862         fi
1863 fi
1864 AC_CHECK_FILE("/dev/ptc",
1865         [
1866                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1867                 have_dev_ptc=1
1868         ]
1869 )
1870
1871 # Options from here on. Some of these are preset by platform above
1872 AC_ARG_WITH(mantype,
1873         [  --with-mantype=man|cat|doc  Set man page type],
1874         [
1875                 case "$withval" in
1876                 man|cat|doc)
1877                         MANTYPE=$withval
1878                         ;;
1879                 *)
1880                         AC_MSG_ERROR(invalid man type: $withval)
1881                         ;;
1882                 esac
1883         ]
1884 )
1885 if test -z "$MANTYPE"; then
1886         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, /usr/bin:/usr/ucb)
1887         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
1888                 MANTYPE=doc
1889         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
1890                 MANTYPE=man
1891         else
1892                 MANTYPE=cat
1893         fi
1894 fi
1895 AC_SUBST(MANTYPE)
1896 if test "$MANTYPE" = "doc"; then
1897         mansubdir=man;
1898 else
1899         mansubdir=$MANTYPE;
1900 fi
1901 AC_SUBST(mansubdir)
1902
1903 # Check whether to enable MD5 passwords
1904 MD5_MSG="no"
1905 AC_ARG_WITH(md5-passwords,
1906         [  --with-md5-passwords    Enable use of MD5 passwords],
1907         [
1908                 if test "x$withval" != "xno" ; then
1909                         AC_DEFINE(HAVE_MD5_PASSWORDS)
1910                         MD5_MSG="yes"
1911                 fi
1912         ]
1913 )
1914
1915 # Whether to disable shadow password support
1916 AC_ARG_WITH(shadow,
1917         [  --without-shadow        Disable shadow password support],
1918         [
1919                 if test "x$withval" = "xno" ; then
1920                         AC_DEFINE(DISABLE_SHADOW)
1921                         disable_shadow=yes
1922                 fi
1923         ]
1924 )
1925
1926 if test -z "$disable_shadow" ; then
1927         AC_MSG_CHECKING([if the systems has expire shadow information])
1928         AC_TRY_COMPILE(
1929         [
1930 #include <sys/types.h>
1931 #include <shadow.h>
1932         struct spwd sp;
1933         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
1934         [ sp_expire_available=yes ], []
1935         )
1936
1937         if test "x$sp_expire_available" = "xyes" ; then
1938                 AC_MSG_RESULT(yes)
1939                 AC_DEFINE(HAS_SHADOW_EXPIRE)
1940         else
1941                 AC_MSG_RESULT(no)
1942         fi
1943 fi
1944
1945 # Use ip address instead of hostname in $DISPLAY
1946 if test ! -z "$IPADDR_IN_DISPLAY" ; then
1947         DISPLAY_HACK_MSG="yes"
1948         AC_DEFINE(IPADDR_IN_DISPLAY)
1949 else
1950         DISPLAY_HACK_MSG="no"
1951         AC_ARG_WITH(ipaddr-display,
1952                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
1953                 [
1954                         if test "x$withval" != "xno" ; then
1955                                 AC_DEFINE(IPADDR_IN_DISPLAY)
1956                                 DISPLAY_HACK_MSG="yes"
1957                         fi
1958                 ]
1959         )
1960 fi
1961
1962 dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
1963 if test $ac_cv_func_login_getcapbool = "yes" -a \
1964         $ac_cv_header_login_cap_h = "yes" ; then
1965         USES_LOGIN_CONF=yes
1966 fi
1967 # Whether to mess with the default path
1968 SERVER_PATH_MSG="(default)"
1969 AC_ARG_WITH(default-path,
1970         [  --with-default-path=    Specify default \$PATH environment for server],
1971         [
1972                 if test "$USES_LOGIN_CONF" = "yes" ; then
1973                         AC_MSG_WARN([
1974 --with-default-path=PATH has no effect on this system.
1975 Edit /etc/login.conf instead.])
1976                 elif test "x$withval" != "xno" ; then
1977                         user_path="$withval"
1978                         SERVER_PATH_MSG="$withval"
1979                 fi
1980         ],
1981         [ if test "$USES_LOGIN_CONF" = "yes" ; then
1982         AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
1983         else
1984         AC_TRY_RUN(
1985                 [
1986 /* find out what STDPATH is */
1987 #include <stdio.h>
1988 #ifdef HAVE_PATHS_H
1989 # include <paths.h>
1990 #endif
1991 #ifndef _PATH_STDPATH
1992 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
1993 #endif
1994 #include <sys/types.h>
1995 #include <sys/stat.h>
1996 #include <fcntl.h>
1997 #define DATA "conftest.stdpath"
1998
1999 main()
2000 {
2001         FILE *fd;
2002         int rc;
2003
2004         fd = fopen(DATA,"w");
2005         if(fd == NULL)
2006                 exit(1);
2007
2008         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
2009                 exit(1);
2010
2011         exit(0);
2012 }
2013                 ], [ user_path=`cat conftest.stdpath` ],
2014                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
2015                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
2016         )
2017 # make sure $bindir is in USER_PATH so scp will work
2018                 t_bindir=`eval echo ${bindir}`
2019                 case $t_bindir in
2020                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
2021                 esac
2022                 case $t_bindir in
2023                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
2024                 esac
2025                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
2026                 if test $? -ne 0  ; then
2027                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
2028                         if test $? -ne 0  ; then
2029                                 user_path=$user_path:$t_bindir
2030                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
2031                         fi
2032                 fi
2033         fi ]
2034 )
2035 if test "$USES_LOGIN_CONF" != "yes" ; then
2036         AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
2037         AC_SUBST(user_path)
2038 fi
2039
2040 # Set superuser path separately to user path
2041 AC_ARG_WITH(superuser-path,
2042         [  --with-superuser-path=  Specify different path for super-user],
2043         [
2044                 if test "x$withval" != "xno" ; then
2045                         AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval")
2046                         superuser_path=$withval
2047                 fi
2048         ]
2049 )
2050
2051
2052 # Whether to force IPv4 by default (needed on broken glibc Linux)
2053 IPV4_HACK_MSG="no"
2054 AC_ARG_WITH(ipv4-default,
2055         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
2056         [
2057                 if test "x$withval" != "xno" ; then
2058                         AC_DEFINE(IPV4_DEFAULT)
2059                         IPV4_HACK_MSG="yes"
2060                 fi
2061         ]
2062 )
2063
2064 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
2065 IPV4_IN6_HACK_MSG="no"
2066 AC_ARG_WITH(4in6,
2067         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
2068         [
2069                 if test "x$withval" != "xno" ; then
2070                         AC_MSG_RESULT(yes)
2071                         AC_DEFINE(IPV4_IN_IPV6)
2072                         IPV4_IN6_HACK_MSG="yes"
2073                 else
2074                         AC_MSG_RESULT(no)
2075                 fi
2076         ],[
2077                 if test "x$inet6_default_4in6" = "xyes"; then
2078                         AC_MSG_RESULT([yes (default)])
2079                         AC_DEFINE(IPV4_IN_IPV6)
2080                         IPV4_IN6_HACK_MSG="yes"
2081                 else
2082                         AC_MSG_RESULT([no (default)])
2083                 fi
2084         ]
2085 )
2086
2087 # Whether to enable BSD auth support
2088 BSD_AUTH_MSG=no
2089 AC_ARG_WITH(bsd-auth,
2090         [  --with-bsd-auth         Enable BSD auth support],
2091         [
2092                 if test "x$withval" != "xno" ; then
2093                         AC_DEFINE(BSD_AUTH)
2094                         BSD_AUTH_MSG=yes
2095                 fi
2096         ]
2097 )
2098
2099 AC_MSG_CHECKING(whether to install ssh as suid root)
2100 AC_ARG_ENABLE(suid-ssh,
2101 [  --enable-suid-ssh       Install ssh as suid root (default)
2102   --disable-suid-ssh      Install ssh without suid bit],
2103 [ case "$enableval" in
2104   no)
2105        AC_MSG_RESULT(no)
2106        SSHMODE=0711
2107        ;;
2108   *)   AC_MSG_RESULT(yes)
2109        SSHMODE=4711
2110        ;;
2111   esac ],
2112   AC_MSG_RESULT(yes)
2113   SSHMODE=4711
2114 )
2115 AC_SUBST(SSHMODE)
2116
2117
2118 # Where to place sshd.pid
2119 piddir=/var/run
2120 # make sure the directory exists
2121 if test ! -d $piddir ; then
2122         piddir=`eval echo ${sysconfdir}`
2123         case $piddir in
2124                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
2125         esac
2126 fi
2127
2128 AC_ARG_WITH(pid-dir,
2129         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
2130         [
2131                 if test "x$withval" != "xno" ; then
2132                         piddir=$withval
2133                         if test ! -d $piddir ; then
2134                         AC_MSG_WARN([** no $piddir directory on this system **])
2135                         fi
2136                 fi
2137         ]
2138 )
2139
2140 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
2141 AC_SUBST(piddir)
2142
2143 dnl allow user to disable some login recording features
2144 AC_ARG_ENABLE(lastlog,
2145         [  --disable-lastlog       disable use of lastlog even if detected [no]],
2146         [ AC_DEFINE(DISABLE_LASTLOG) ]
2147 )
2148 AC_ARG_ENABLE(utmp,
2149         [  --disable-utmp          disable use of utmp even if detected [no]],
2150         [ AC_DEFINE(DISABLE_UTMP) ]
2151 )
2152 AC_ARG_ENABLE(utmpx,
2153         [  --disable-utmpx         disable use of utmpx even if detected [no]],
2154         [ AC_DEFINE(DISABLE_UTMPX) ]
2155 )
2156 AC_ARG_ENABLE(wtmp,
2157         [  --disable-wtmp          disable use of wtmp even if detected [no]],
2158         [ AC_DEFINE(DISABLE_WTMP) ]
2159 )
2160 AC_ARG_ENABLE(wtmpx,
2161         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
2162         [ AC_DEFINE(DISABLE_WTMPX) ]
2163 )
2164 AC_ARG_ENABLE(libutil,
2165         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
2166         [ AC_DEFINE(DISABLE_LOGIN) ]
2167 )
2168 AC_ARG_ENABLE(pututline,
2169         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
2170         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
2171 )
2172 AC_ARG_ENABLE(pututxline,
2173         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
2174         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
2175 )
2176 AC_ARG_WITH(lastlog,
2177   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
2178         [
2179                 if test "x$withval" = "xno" ; then
2180                         AC_DEFINE(DISABLE_LASTLOG)
2181                 else
2182                         conf_lastlog_location=$withval
2183                 fi
2184         ]
2185 )
2186
2187 dnl lastlog, [uw]tmpx? detection
2188 dnl  NOTE: set the paths in the platform section to avoid the
2189 dnl   need for command-line parameters
2190 dnl lastlog and [uw]tmp are subject to a file search if all else fails
2191
2192 dnl lastlog detection
2193 dnl  NOTE: the code itself will detect if lastlog is a directory
2194 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
2195 AC_TRY_COMPILE([
2196 #include <sys/types.h>
2197 #include <utmp.h>
2198 #ifdef HAVE_LASTLOG_H
2199 #  include <lastlog.h>
2200 #endif
2201 #ifdef HAVE_PATHS_H
2202 #  include <paths.h>
2203 #endif
2204 #ifdef HAVE_LOGIN_H
2205 # include <login.h>
2206 #endif
2207         ],
2208         [ char *lastlog = LASTLOG_FILE; ],
2209         [ AC_MSG_RESULT(yes) ],
2210         [
2211                 AC_MSG_RESULT(no)
2212                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
2213                 AC_TRY_COMPILE([
2214 #include <sys/types.h>
2215 #include <utmp.h>
2216 #ifdef HAVE_LASTLOG_H
2217 #  include <lastlog.h>
2218 #endif
2219 #ifdef HAVE_PATHS_H
2220 #  include <paths.h>
2221 #endif
2222                 ],
2223                 [ char *lastlog = _PATH_LASTLOG; ],
2224                 [ AC_MSG_RESULT(yes) ],
2225                 [
2226                         AC_MSG_RESULT(no)
2227                         system_lastlog_path=no
2228                 ])
2229         ]
2230 )
2231
2232 if test -z "$conf_lastlog_location"; then
2233         if test x"$system_lastlog_path" = x"no" ; then
2234                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
2235                                 if (test -d "$f" || test -f "$f") ; then
2236                                         conf_lastlog_location=$f
2237                                 fi
2238                 done
2239                 if test -z "$conf_lastlog_location"; then
2240                         AC_MSG_WARN([** Cannot find lastlog **])
2241                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
2242                 fi
2243         fi
2244 fi
2245
2246 if test -n "$conf_lastlog_location"; then
2247         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
2248 fi
2249
2250 dnl utmp detection
2251 AC_MSG_CHECKING([if your system defines UTMP_FILE])
2252 AC_TRY_COMPILE([
2253 #include <sys/types.h>
2254 #include <utmp.h>
2255 #ifdef HAVE_PATHS_H
2256 #  include <paths.h>
2257 #endif
2258         ],
2259         [ char *utmp = UTMP_FILE; ],
2260         [ AC_MSG_RESULT(yes) ],
2261         [ AC_MSG_RESULT(no)
2262           system_utmp_path=no ]
2263 )
2264 if test -z "$conf_utmp_location"; then
2265         if test x"$system_utmp_path" = x"no" ; then
2266                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
2267                         if test -f $f ; then
2268                                 conf_utmp_location=$f
2269                         fi
2270                 done
2271                 if test -z "$conf_utmp_location"; then
2272                         AC_DEFINE(DISABLE_UTMP)
2273                 fi
2274         fi
2275 fi
2276 if test -n "$conf_utmp_location"; then
2277         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
2278 fi
2279
2280 dnl wtmp detection
2281 AC_MSG_CHECKING([if your system defines WTMP_FILE])
2282 AC_TRY_COMPILE([
2283 #include <sys/types.h>
2284 #include <utmp.h>
2285 #ifdef HAVE_PATHS_H
2286 #  include <paths.h>
2287 #endif
2288         ],
2289         [ char *wtmp = WTMP_FILE; ],
2290         [ AC_MSG_RESULT(yes) ],
2291         [ AC_MSG_RESULT(no)
2292           system_wtmp_path=no ]
2293 )
2294 if test -z "$conf_wtmp_location"; then
2295         if test x"$system_wtmp_path" = x"no" ; then
2296                 for f in /usr/adm/wtmp /var/log/wtmp; do
2297                         if test -f $f ; then
2298                                 conf_wtmp_location=$f
2299                         fi
2300                 done
2301                 if test -z "$conf_wtmp_location"; then
2302                         AC_DEFINE(DISABLE_WTMP)
2303                 fi
2304         fi
2305 fi
2306 if test -n "$conf_wtmp_location"; then
2307         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
2308 fi
2309
2310
2311 dnl utmpx detection - I don't know any system so perverse as to require
2312 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
2313 dnl  there, though.
2314 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
2315 AC_TRY_COMPILE([
2316 #include <sys/types.h>
2317 #include <utmp.h>
2318 #ifdef HAVE_UTMPX_H
2319 #include <utmpx.h>
2320 #endif
2321 #ifdef HAVE_PATHS_H
2322 #  include <paths.h>
2323 #endif
2324         ],
2325         [ char *utmpx = UTMPX_FILE; ],
2326         [ AC_MSG_RESULT(yes) ],
2327         [ AC_MSG_RESULT(no)
2328           system_utmpx_path=no ]
2329 )
2330 if test -z "$conf_utmpx_location"; then
2331         if test x"$system_utmpx_path" = x"no" ; then
2332                 AC_DEFINE(DISABLE_UTMPX)
2333         fi
2334 else
2335         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
2336 fi
2337
2338 dnl wtmpx detection
2339 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
2340 AC_TRY_COMPILE([
2341 #include <sys/types.h>
2342 #include <utmp.h>
2343 #ifdef HAVE_UTMPX_H
2344 #include <utmpx.h>
2345 #endif
2346 #ifdef HAVE_PATHS_H
2347 #  include <paths.h>
2348 #endif
2349         ],
2350         [ char *wtmpx = WTMPX_FILE; ],
2351         [ AC_MSG_RESULT(yes) ],
2352         [ AC_MSG_RESULT(no)
2353           system_wtmpx_path=no ]
2354 )
2355 if test -z "$conf_wtmpx_location"; then
2356         if test x"$system_wtmpx_path" = x"no" ; then
2357                 AC_DEFINE(DISABLE_WTMPX)
2358         fi
2359 else
2360         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
2361 fi
2362
2363
2364 if test ! -z "$blibpath" ; then
2365         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
2366         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
2367 fi
2368
2369 dnl remove pam and dl because they are in $LIBPAM
2370 if test "$PAM_MSG" = yes ; then
2371         LIBS=`echo $LIBS | sed 's/-lpam //'`
2372 fi
2373 if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
2374         LIBS=`echo $LIBS | sed 's/-ldl //'`
2375 fi
2376
2377 AC_EXEEXT
2378 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
2379 AC_OUTPUT
2380
2381 # Print summary of options
2382
2383 # Someone please show me a better way :)
2384 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
2385 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
2386 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
2387 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
2388 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
2389 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
2390 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
2391 H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
2392 I=`eval echo ${user_path}` ; I=`eval echo ${I}`
2393 J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
2394
2395 echo ""
2396 echo "OpenSSH has been configured with the following options:"
2397 echo "                     User binaries: $B"
2398 echo "                   System binaries: $C"
2399 echo "               Configuration files: $D"
2400 echo "                   Askpass program: $E"
2401 echo "                      Manual pages: $F"
2402 echo "                          PID file: $G"
2403 echo "  Privilege separation chroot path: $H"
2404 if test "$USES_LOGIN_CONF" = "yes" ; then
2405 echo "   At runtime, sshd will use the path defined in /etc/login.conf"
2406 else
2407 echo "            sshd default user PATH: $I"
2408 fi
2409 if test ! -z "$superuser_path" ; then
2410 echo "          sshd superuser user PATH: $J"
2411 fi
2412 echo "                    Manpage format: $MANTYPE"
2413 echo "                       PAM support: ${PAM_MSG}"
2414 echo "                KerberosIV support: $KRB4_MSG"
2415 echo "                 KerberosV support: $KRB5_MSG"
2416 echo "                 Smartcard support: $SCARD_MSG"
2417 echo "                       AFS support: $AFS_MSG"
2418 echo "                     S/KEY support: $SKEY_MSG"
2419 echo "              TCP Wrappers support: $TCPW_MSG"
2420 echo "              MD5 password support: $MD5_MSG"
2421 echo "       IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
2422 echo "          Use IPv4 by default hack: $IPV4_HACK_MSG"
2423 echo "           Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
2424 echo "                  BSD Auth support: $BSD_AUTH_MSG"
2425 echo "              Random number source: $RAND_MSG"
2426 if test ! -z "$USE_RAND_HELPER" ; then
2427 echo "     ssh-rand-helper collects from: $RAND_HELPER_MSG"
2428 fi
2429
2430 echo ""
2431
2432 echo "              Host: ${host}"
2433 echo "          Compiler: ${CC}"
2434 echo "    Compiler flags: ${CFLAGS}"
2435 echo "Preprocessor flags: ${CPPFLAGS}"
2436 echo "      Linker flags: ${LDFLAGS}"
2437 echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
2438
2439 echo ""
2440
2441 if test "x$PAM_MSG" = "xyes" ; then
2442         echo "PAM is enabled. You may need to install a PAM control file "
2443         echo "for sshd, otherwise password authentication may fail. "
2444         echo "Example PAM control files can be found in the contrib/ "
2445         echo "subdirectory"
2446         echo ""
2447 fi
2448
2449 if test ! -z "$NO_SFTP"; then
2450         echo "sftp-server will be disabled.  Your compiler does not "
2451         echo "support 64bit integers."
2452         echo ""
2453 fi
2454
2455 if test ! -z "$RAND_HELPER_CMDHASH" ; then
2456         echo "WARNING: you are using the builtin random number collection "
2457         echo "service. Please read WARNING.RNG and request that your OS "
2458         echo "vendor includes kernel-based random number collection in "
2459         echo "future versions of your OS."
2460         echo ""
2461 fi
2462