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