openssh/configure.ac

   1 # $Id$
   2
   3 AC_INIT
   4 AC_CONFIG_SRCDIR([ssh.c])
   5
   6 AC_CONFIG_HEADER(config.h)
   7 AC_PROG_CC
   8 AC_CANONICAL_HOST
   9 AC_C_BIGENDIAN
  10
  11 # Checks for programs.
  12 AC_PROG_CPP
  13 AC_PROG_RANLIB
  14 AC_PROG_INSTALL
  15 AC_PATH_PROG(AR, ar)
  16 AC_PATH_PROGS(PERL, perl5 perl)
  17 AC_PATH_PROG(SED, sed)
  18 AC_SUBST(PERL)
  19 AC_PATH_PROG(ENT, ent)
  20 AC_SUBST(ENT)
  21 AC_PATH_PROG(TEST_MINUS_S_SH, bash)
  22 AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
  23 AC_PATH_PROG(TEST_MINUS_S_SH, sh)
  24 AC_PATH_PROG(SH, sh)
  25
  26 # System features
  27 AC_SYS_LARGEFILE
  28
  29 if test -z "$AR" ; then
  30         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  31 fi
  32
  33 # Use LOGIN_PROGRAM from environment if possible
  34 if test ! -z "$LOGIN_PROGRAM" ; then
  35         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  36 else
  37         # Search for login
  38         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  39         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  40                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  41         fi
  42 fi
  43
  44 if test -z "$LD" ; then
  45         LD=$CC
  46 fi
  47 AC_SUBST(LD)
  48
  49 AC_C_INLINE
  50 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
  51         CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wno-uninitialized"
  52 fi
  53
  54 # Check for some target-specific stuff
  55 case "$host" in
  56 *-*-aix*)
  57         AFS_LIBS="-lld"
  58         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
  59         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  60         if (test "$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         AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_CLOBBER_ARGV)
  86         AC_DEFINE(SETPROCTITLE_PS_PADDING, '\0')
  87         ;;
  88 *-*-cygwin*)
  89         check_for_libcrypt_later=1
  90         LIBS="$LIBS /usr/lib/textmode.o"
  91         AC_DEFINE(HAVE_CYGWIN)
  92         AC_DEFINE(USE_PIPES)
  93         AC_DEFINE(DISABLE_SHADOW)
  94         AC_DEFINE(IPV4_DEFAULT)
  95         AC_DEFINE(IP_TOS_IS_BROKEN)
  96         AC_DEFINE(NO_X11_UNIX_SOCKETS)
  97         AC_DEFINE(NO_IPPORT_RESERVED_CONCEPT)
  98         AC_DEFINE(DISABLE_FD_PASSING)
  99         AC_DEFINE(SETGROUPS_NOOP)
 100         ;;
 101 *-*-dgux*)
 102         AC_DEFINE(IP_TOS_IS_BROKEN)
 103         ;;
 104 *-*-darwin*)
 105         AC_MSG_CHECKING(if we have working getaddrinfo)
 106         AC_TRY_RUN([#include <mach-o/dyld.h>
 107 main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
 108                 exit(0);
 109         else
 110                 exit(1);
 111 }], [AC_MSG_RESULT(working)],
 112         [AC_MSG_RESULT(buggy)
 113         AC_DEFINE(BROKEN_GETADDRINFO)],
 114         [AC_MSG_RESULT(assume it is working)])
 115         ;;
 116 *-*-hpux10.26)
 117         if test -z "$GCC"; then
 118                 CFLAGS="$CFLAGS -Ae"
 119         fi
 120         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 121         IPADDR_IN_DISPLAY=yes
 122         AC_DEFINE(HAVE_SECUREWARE)
 123         AC_DEFINE(USE_PIPES)
 124         AC_DEFINE(LOGIN_NO_ENDOPT)
 125         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 126         AC_DEFINE(DISABLE_SHADOW)
 127         AC_DEFINE(DISABLE_UTMP)
 128         AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_PSTAT)
 129         LIBS="$LIBS -lsec -lsecpw"
 130         AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
 131         disable_ptmx_check=yes
 132         ;;
 133 *-*-hpux10*)
 134         if test -z "$GCC"; then
 135                 CFLAGS="$CFLAGS -Ae"
 136         fi
 137         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 138         IPADDR_IN_DISPLAY=yes
 139         AC_DEFINE(USE_PIPES)
 140         AC_DEFINE(LOGIN_NO_ENDOPT)
 141         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 142         AC_DEFINE(DISABLE_SHADOW)
 143         AC_DEFINE(DISABLE_UTMP)
 144         AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_PSTAT)
 145         LIBS="$LIBS -lsec"
 146         AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
 147         ;;
 148 *-*-hpux11*)
 149         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 150         IPADDR_IN_DISPLAY=yes
 151         AC_DEFINE(PAM_SUN_CODEBASE)
 152         AC_DEFINE(USE_PIPES)
 153         AC_DEFINE(LOGIN_NO_ENDOPT)
 154         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 155         AC_DEFINE(DISABLE_SHADOW)
 156         AC_DEFINE(DISABLE_UTMP)
 157         AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_PSTAT)
 158         LIBS="$LIBS -lsec"
 159         AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
 160         ;;
 161 *-*-irix5*)
 162         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 163         LDFLAGS="$LDFLAGS"
 164         PATH="$PATH:/usr/etc"
 165         AC_DEFINE(BROKEN_INET_NTOA)
 166         AC_DEFINE(WITH_ABBREV_NO_TTY)
 167         ;;
 168 *-*-irix6*)
 169         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 170         LDFLAGS="$LDFLAGS"
 171         PATH="$PATH:/usr/etc"
 172         AC_DEFINE(WITH_IRIX_ARRAY)
 173         AC_DEFINE(WITH_IRIX_PROJECT)
 174         AC_DEFINE(WITH_IRIX_AUDIT)
 175         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 176         AC_DEFINE(BROKEN_INET_NTOA)
 177         AC_DEFINE(WITH_ABBREV_NO_TTY)
 178         ;;
 179 *-*-linux*)
 180         no_dev_ptmx=1
 181         check_for_libcrypt_later=1
 182         AC_DEFINE(DONT_TRY_OTHER_AF)
 183         AC_DEFINE(PAM_TTY_KLUDGE)
 184         AC_DEFINE(SETPROCTITLE_STRATEGY,PS_USE_CLOBBER_ARGV)
 185         AC_DEFINE(SETPROCTITLE_PS_PADDING, '\0')
 186         inet6_default_4in6=yes
 187         ;;
 188 mips-sony-bsd|mips-sony-newsos4)
 189         AC_DEFINE(HAVE_NEWS4)
 190         SONY=1
 191         ;;
 192 *-*-netbsd*)
 193         check_for_libcrypt_before=1
 194         need_dash_r=1
 195         ;;
 196 *-*-freebsd*)
 197         check_for_libcrypt_later=1
 198         ;;
 199 *-next-*)
 200         conf_lastlog_location="/usr/adm/lastlog"
 201         conf_utmp_location=/etc/utmp
 202         conf_wtmp_location=/usr/adm/wtmp
 203         MAIL=/usr/spool/mail
 204         AC_DEFINE(HAVE_NEXT)
 205         AC_DEFINE(BROKEN_REALPATH)
 206         AC_DEFINE(USE_PIPES)
 207         AC_DEFINE(BROKEN_SAVED_UIDS)
 208         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 209         CFLAGS="$CFLAGS"
 210         ;;
 211 *-*-solaris*)
 212         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 213         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 214         need_dash_r=1
 215         AC_DEFINE(PAM_SUN_CODEBASE)
 216         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 217         AC_DEFINE(LOGIN_NEEDS_TERM)
 218         AC_DEFINE(PAM_TTY_KLUDGE)
 219         AC_DEFINE(STREAMS_PUSH_ACQUIRES_CTTY)
 220         # hardwire lastlog location (can't detect it on some versions)
 221         conf_lastlog_location="/var/adm/lastlog"
 222         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 223         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 224         if test "$sol2ver" -ge 8; then
 225                 AC_MSG_RESULT(yes)
 226                 AC_DEFINE(DISABLE_UTMP)
 227                 AC_DEFINE(DISABLE_WTMP)
 228         else
 229                 AC_MSG_RESULT(no)
 230         fi
 231         ;;
 232 *-*-sunos4*)
 233         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 234         AC_CHECK_FUNCS(getpwanam)
 235         AC_DEFINE(PAM_SUN_CODEBASE)
 236         conf_utmp_location=/etc/utmp
 237         conf_wtmp_location=/var/adm/wtmp
 238         conf_lastlog_location=/var/adm/lastlog
 239         AC_DEFINE(USE_PIPES)
 240         ;;
 241 *-ncr-sysv*)
 242         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 243         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 244         LIBS="$LIBS -lc89"
 245         AC_DEFINE(USE_PIPES)
 246         ;;
 247 *-sni-sysv*)
 248         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 249         # /usr/ucblib MUST NOT be searched on ReliantUNIX
 250         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 251         IPADDR_IN_DISPLAY=yes
 252         AC_DEFINE(USE_PIPES)
 253         AC_DEFINE(IP_TOS_IS_BROKEN)
 254         # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
 255         # Attention: always take care to bind libsocket and libnsl before libc,
 256         # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
 257         ;;
 258 *-*-sysv4.2*)
 259         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 260         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 261         AC_DEFINE(USE_PIPES)
 262         ;;
 263 *-*-sysv5*)
 264         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 265         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 266         AC_DEFINE(USE_PIPES)
 267         ;;
 268 *-*-sysv*)
 269         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 270         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 271         ;;
 272 *-*-sco3.2v4*)
 273         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 274         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 275         LIBS="$LIBS -los -lprot -lx -ltinfo -lm"
 276         RANLIB=true
 277         no_dev_ptmx=1
 278         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 279         AC_DEFINE(USE_PIPES)
 280         AC_DEFINE(HAVE_SECUREWARE)
 281         AC_DEFINE(DISABLE_SHADOW)
 282         AC_DEFINE(BROKEN_SAVED_UIDS)
 283         AC_CHECK_FUNCS(getluid setluid)
 284         MANTYPE=man
 285         do_sco3_extra_lib_check=yes
 286         ;;
 287 *-*-sco3.2v5*)
 288         if test -z "$GCC"; then
 289                 CFLAGS="$CFLAGS -belf"
 290         fi
 291         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 292         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 293         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 294         no_dev_ptmx=1
 295         AC_DEFINE(USE_PIPES)
 296         AC_DEFINE(HAVE_SECUREWARE)
 297         AC_DEFINE(DISABLE_SHADOW)
 298         AC_DEFINE(DISABLE_FD_PASSING)
 299         AC_CHECK_FUNCS(getluid setluid)
 300         MANTYPE=man
 301         ;;
 302 *-*-unicosmk*)
 303         AC_DEFINE(USE_PIPES)
 304         AC_DEFINE(DISABLE_FD_PASSING)
 305         LDFLAGS="$LDFLAGS"
 306         LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
 307         MANTYPE=cat
 308         ;;
 309 *-*-unicos*)
 310         AC_DEFINE(USE_PIPES)
 311         AC_DEFINE(DISABLE_FD_PASSING)
 312         AC_DEFINE(NO_SSH_LASTLOG)
 313         LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal"
 314         LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
 315         MANTYPE=cat
 316         ;;
 317 *-dec-osf*)
 318         AC_MSG_CHECKING(for Digital Unix SIA)
 319         no_osfsia=""
 320         AC_ARG_WITH(osfsia,
 321                 [  --with-osfsia           Enable Digital Unix SIA],
 322                 [
 323                         if test "x$withval" = "xno" ; then
 324                                 AC_MSG_RESULT(disabled)
 325                                 no_osfsia=1
 326                         fi
 327                 ],
 328         )
 329         if test -z "$no_osfsia" ; then
 330                 if test -f /etc/sia/matrix.conf; then
 331                         AC_MSG_RESULT(yes)
 332                         AC_DEFINE(HAVE_OSF_SIA)
 333                         AC_DEFINE(DISABLE_LOGIN)
 334                         AC_DEFINE(DISABLE_FD_PASSING)
 335                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 336                 else
 337                         AC_MSG_RESULT(no)
 338                 fi
 339         fi
 340         AC_DEFINE(DISABLE_FD_PASSING)
 341         ;;
 342
 343 *-*-nto-qnx)
 344         AC_DEFINE(USE_PIPES)
 345         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 346         AC_DEFINE(MISSING_NFDBITS)
 347         AC_DEFINE(MISSING_HOWMANY)
 348         AC_DEFINE(MISSING_FD_MASK)
 349         ;;
 350 esac
 351
 352 # Allow user to specify flags
 353 AC_ARG_WITH(cflags,
 354         [  --with-cflags           Specify additional flags to pass to compiler],
 355         [
 356                 if test "x$withval" != "xno" ; then
 357                         CFLAGS="$CFLAGS $withval"
 358                 fi
 359         ]
 360 )
 361 AC_ARG_WITH(cppflags,
 362         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 363         [
 364                 if test "x$withval" != "xno"; then
 365                         CPPFLAGS="$CPPFLAGS $withval"
 366                 fi
 367         ]
 368 )
 369 AC_ARG_WITH(ldflags,
 370         [  --with-ldflags          Specify additional flags to pass to linker],
 371         [
 372                 if test "x$withval" != "xno" ; then
 373                         LDFLAGS="$LDFLAGS $withval"
 374                 fi
 375         ]
 376 )
 377 AC_ARG_WITH(libs,
 378         [  --with-libs             Specify additional libraries to link with],
 379         [
 380                 if test "x$withval" != "xno" ; then
 381                         LIBS="$LIBS $withval"
 382                 fi
 383         ]
 384 )
 385
 386 # Checks for header files.
 387 AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \
 388         getopt.h glob.h ia.h lastlog.h libgen.h limits.h login.h \
 389         login_cap.h maillock.h netdb.h netgroup.h \
 390         netinet/in_systm.h paths.h pty.h readpassphrase.h \
 391         rpc/types.h security/pam_appl.h shadow.h stddef.h stdint.h \
 392         strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
 393         sys/mman.h sys/pstat.h sys/select.h sys/stat.h \
 394         sys/stropts.h sys/sysmacros.h sys/time.h sys/timers.h \
 395         sys/un.h time.h tmpdir.h ttyent.h usersec.h \
 396         util.h utime.h utmp.h utmpx.h)
 397
 398 # Checks for libraries.
 399 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
 400 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
 401
 402 dnl SCO OS3 needs this for libwrap
 403 if test "x$with_tcp_wrappers" != "xno" ; then
 404     if test "x$do_sco3_extra_lib_check" = "xyes" ; then
 405         AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 406     fi
 407 fi
 408
 409 AC_CHECK_FUNC(getspnam, ,
 410         AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
 411
 412 AC_ARG_WITH(rpath,
 413         [  --without-rpath         Disable auto-added -R linker paths],
 414         [
 415                 if test "x$withval" = "xno" ; then
 416                         need_dash_r=""
 417                 fi
 418                 if test "x$withval" = "xyes" ; then
 419                         need_dash_r=1
 420                 fi
 421         ]
 422 )
 423
 424 dnl zlib is required
 425 AC_ARG_WITH(zlib,
 426         [  --with-zlib=PATH        Use zlib in PATH],
 427         [
 428                 if test "x$withval" = "xno" ; then
 429                         AC_MSG_ERROR([*** zlib is required ***])
 430                 fi
 431                 if test -d "$withval/lib"; then
 432                         if test -n "${need_dash_r}"; then
 433                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 434                         else
 435                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 436                         fi
 437                 else
 438                         if test -n "${need_dash_r}"; then
 439                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 440                         else
 441                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 442                         fi
 443                 fi
 444                 if test -d "$withval/include"; then
 445                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 446                 else
 447                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 448                 fi
 449         ]
 450 )
 451
 452 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 453
 454 dnl UnixWare 2.x
 455 AC_CHECK_FUNC(strcasecmp,
 456         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 457 )
 458 AC_CHECK_FUNC(utimes,
 459         [], [ AC_CHECK_LIB(c89, utimes, [AC_DEFINE(HAVE_UTIMES)
 460                                         LIBS="$LIBS -lc89"]) ]
 461 )
 462
 463 dnl    Checks for libutil functions
 464 AC_CHECK_HEADERS(libutil.h)
 465 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN)])
 466 AC_CHECK_FUNCS(logout updwtmp logwtmp)
 467
 468 AC_FUNC_STRFTIME
 469
 470 # Check for ALTDIRFUNC glob() extension
 471 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 472 AC_EGREP_CPP(FOUNDIT,
 473         [
 474                 #include <glob.h>
 475                 #ifdef GLOB_ALTDIRFUNC
 476                 FOUNDIT
 477                 #endif
 478         ],
 479         [
 480                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 481                 AC_MSG_RESULT(yes)
 482         ],
 483         [
 484                 AC_MSG_RESULT(no)
 485         ]
 486 )
 487
 488 # Check for g.gl_matchc glob() extension
 489 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 490 AC_EGREP_CPP(FOUNDIT,
 491         [
 492                 #include <glob.h>
 493                 int main(void){glob_t g; g.gl_matchc = 1;}
 494         ],
 495         [
 496                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 497                 AC_MSG_RESULT(yes)
 498         ],
 499         [
 500                 AC_MSG_RESULT(no)
 501         ]
 502 )
 503
 504 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 505 AC_TRY_RUN(
 506         [
 507 #include <sys/types.h>
 508 #include <dirent.h>
 509 int main(void){struct dirent d;exit(sizeof(d.d_name)<=sizeof(char));}
 510         ],
 511         [AC_MSG_RESULT(yes)],
 512         [
 513                 AC_MSG_RESULT(no)
 514                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 515         ]
 516 )
 517
 518 # Check whether user wants S/Key support
 519 SKEY_MSG="no"
 520 AC_ARG_WITH(skey,
 521         [  --with-skey[[=PATH]]      Enable S/Key support
 522                             (optionally in PATH)],
 523         [
 524                 if test "x$withval" != "xno" ; then
 525
 526                         if test "x$withval" != "xyes" ; then
 527                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 528                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 529                         fi
 530
 531                         AC_DEFINE(SKEY)
 532                         LIBS="-lskey $LIBS"
 533                         SKEY_MSG="yes"
 534
 535                         AC_MSG_CHECKING([for s/key support])
 536                         AC_TRY_RUN(
 537                                 [
 538 #include <stdio.h>
 539 #include <skey.h>
 540 int main() { char *ff = skey_keyinfo(""); ff=""; exit(0); }
 541                                 ],
 542                                 [AC_MSG_RESULT(yes)],
 543                                 [
 544                                         AC_MSG_RESULT(no)
 545                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 546                                 ])
 547                 fi
 548         ]
 549 )
 550
 551 # Check whether user wants TCP wrappers support
 552 TCPW_MSG="no"
 553 AC_ARG_WITH(tcp-wrappers,
 554         [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
 555                             (optionally in PATH)],
 556         [
 557                 if test "x$withval" != "xno" ; then
 558                         saved_LIBS="$LIBS"
 559                         saved_LDFLAGS="$LDFLAGS"
 560                         saved_CPPFLAGS="$CPPFLAGS"
 561                         if test -n "${withval}" -a "${withval}" != "yes"; then
 562                                 if test -d "${withval}/lib"; then
 563                                         if test -n "${need_dash_r}"; then
 564                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 565                                         else
 566                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 567                                         fi
 568                                 else
 569                                         if test -n "${need_dash_r}"; then
 570                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 571                                         else
 572                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 573                                         fi
 574                                 fi
 575                                 if test -d "${withval}/include"; then
 576                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 577                                 else
 578                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 579                                 fi
 580                         fi
 581                         LIBWRAP="-lwrap"
 582                         LIBS="$LIBWRAP $LIBS"
 583                         AC_MSG_CHECKING(for libwrap)
 584                         AC_TRY_LINK(
 585                                 [
 586 #include <tcpd.h>
 587                                         int deny_severity = 0, allow_severity = 0;
 588                                 ],
 589                                 [hosts_access(0);],
 590                                 [
 591                                         AC_MSG_RESULT(yes)
 592                                         AC_DEFINE(LIBWRAP)
 593                                         AC_SUBST(LIBWRAP)
 594                                         TCPW_MSG="yes"
 595                                 ],
 596                                 [
 597                                         AC_MSG_ERROR([*** libwrap missing])
 598                                 ]
 599                         )
 600                         LIBS="$saved_LIBS"
 601                 fi
 602         ]
 603 )
 604
 605 dnl    Checks for library functions. Please keep in alphabetical order
 606 AC_CHECK_FUNCS(\
 607         arc4random __b64_ntop b64_ntop __b64_pton b64_pton basename bcopy \
 608         bindresvport_sa clock fchmod fchown freeaddrinfo futimes \
 609         gai_strerror getaddrinfo getcwd getgrouplist getnameinfo getopt \
 610         getpeereid _getpty getrlimit getrusage getttyent glob inet_aton \
 611         inet_ntoa inet_ntop innetgr login_getcapbool md5_crypt memmove \
 612         mkdtemp mmap ngetaddrinfo nsleep ogetaddrinfo openpty pstat \
 613         readpassphrase realpath recvmsg rresvport_af sendmsg setdtablesize \
 614         setegid setenv seteuid setgroups setlogin setpcred setproctitle \
 615         setresgid setreuid setrlimit setsid setvbuf sigaction sigvec \
 616         snprintf socketpair strerror strlcat strlcpy strmode strnvis \
 617         sysconf tcgetpgrp truncate utimes vhangup vsnprintf waitpid \
 618 )
 619
 620 AC_SEARCH_LIBS(nanosleep, rt posix4, AC_DEFINE(HAVE_NANOSLEEP))
 621
 622 dnl Make sure strsep prototype is defined before defining HAVE_STRSEP
 623 AC_CHECK_DECL(strsep, [AC_CHECK_FUNCS(strsep)])
 624
 625 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 626 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 627         AC_CHECK_LIB(gen, dirname,[
 628                 AC_CACHE_CHECK([for broken dirname],
 629                         ac_cv_have_broken_dirname, [
 630                         save_LIBS="$LIBS"
 631                         LIBS="$LIBS -lgen"
 632                         AC_TRY_RUN(
 633                                 [
 634 #include <libgen.h>
 635 #include <string.h>
 636
 637 int main(int argc, char **argv) {
 638     char *s, buf[32];
 639
 640     strncpy(buf,"/etc", 32);
 641     s = dirname(buf);
 642     if (!s || strncmp(s, "/", 32) != 0) {
 643         exit(1);
 644     } else {
 645         exit(0);
 646     }
 647 }
 648                                 ],
 649                                 [ ac_cv_have_broken_dirname="no" ],
 650                                 [ ac_cv_have_broken_dirname="yes" ]
 651                         )
 652                         LIBS="$save_LIBS"
 653                 ])
 654                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 655                         LIBS="$LIBS -lgen"
 656                         AC_DEFINE(HAVE_DIRNAME)
 657                         AC_CHECK_HEADERS(libgen.h)
 658                 fi
 659         ])
 660 ])
 661
 662 dnl    Checks for time functions
 663 AC_CHECK_FUNCS(gettimeofday time)
 664 dnl    Checks for utmp functions
 665 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 666 AC_CHECK_FUNCS(utmpname)
 667 dnl    Checks for utmpx functions
 668 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 669 AC_CHECK_FUNCS(setutxent utmpxname)
 670
 671 AC_CHECK_FUNC(daemon,
 672         [AC_DEFINE(HAVE_DAEMON)],
 673         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 674 )
 675
 676 AC_CHECK_FUNC(getpagesize,
 677         [AC_DEFINE(HAVE_GETPAGESIZE)],
 678         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 679 )
 680
 681 # Check for broken snprintf
 682 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 683         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 684         AC_TRY_RUN(
 685                 [
 686 #include <stdio.h>
 687 int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');}
 688                 ],
 689                 [AC_MSG_RESULT(yes)],
 690                 [
 691                         AC_MSG_RESULT(no)
 692                         AC_DEFINE(BROKEN_SNPRINTF)
 693                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 694                 ]
 695         )
 696 fi
 697
 698 dnl see whether mkstemp() requires XXXXXX
 699 if test "x$ac_cv_func_mkdtemp" = "xyes" ; then
 700 AC_MSG_CHECKING([for (overly) strict mkstemp])
 701 AC_TRY_RUN(
 702         [
 703 #include <stdlib.h>
 704 main() { char template[]="conftest.mkstemp-test";
 705 if (mkstemp(template) == -1)
 706         exit(1);
 707 unlink(template); exit(0);
 708 }
 709         ],
 710         [
 711                 AC_MSG_RESULT(no)
 712         ],
 713         [
 714                 AC_MSG_RESULT(yes)
 715                 AC_DEFINE(HAVE_STRICT_MKSTEMP)
 716         ],
 717         [
 718                 AC_MSG_RESULT(yes)
 719                 AC_DEFINE(HAVE_STRICT_MKSTEMP)
 720         ]
 721 )
 722 fi
 723
 724 AC_FUNC_GETPGRP
 725
 726 # Check for PAM libs
 727 PAM_MSG="no"
 728 AC_ARG_WITH(pam,
 729         [  --with-pam              Enable PAM support ],
 730         [
 731                 if test "x$withval" != "xno" ; then
 732                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 733                                 AC_MSG_ERROR([PAM headers not found])
 734                         fi
 735
 736                         AC_CHECK_LIB(dl, dlopen, , )
 737                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 738                         AC_CHECK_FUNCS(pam_getenvlist)
 739
 740                         disable_shadow=yes
 741                         PAM_MSG="yes"
 742
 743                         AC_DEFINE(USE_PAM)
 744                         if test $ac_cv_lib_dl_dlopen = yes; then
 745                                 LIBPAM="-lpam -ldl"
 746                         else
 747                                 LIBPAM="-lpam"
 748                         fi
 749                         AC_SUBST(LIBPAM)
 750                 fi
 751         ]
 752 )
 753
 754 # Check for older PAM
 755 if test "x$PAM_MSG" = "xyes" ; then
 756         # Check PAM strerror arguments (old PAM)
 757         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 758         AC_TRY_COMPILE(
 759                 [
 760 #include <stdlib.h>
 761 #include <security/pam_appl.h>
 762                 ],
 763                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 764                 [AC_MSG_RESULT(no)],
 765                 [
 766                         AC_DEFINE(HAVE_OLD_PAM)
 767                         AC_MSG_RESULT(yes)
 768                         PAM_MSG="yes (old library)"
 769                 ]
 770         )
 771 fi
 772
 773 # Some systems want crypt() from libcrypt, *not* the version in OpenSSL,
 774 # because the system crypt() is more featureful.
 775 if test "x$check_for_libcrypt_before" = "x1"; then
 776         AC_CHECK_LIB(crypt, crypt)
 777 fi
 778
 779 # Search for OpenSSL
 780 saved_CPPFLAGS="$CPPFLAGS"
 781 saved_LDFLAGS="$LDFLAGS"
 782 AC_ARG_WITH(ssl-dir,
 783         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 784         [
 785                 if test "x$withval" != "xno" ; then
 786                         if test -d "$withval/lib"; then
 787                                 if test -n "${need_dash_r}"; then
 788                                         LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 789                                 else
 790                                         LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 791                                 fi
 792                         else
 793                                 if test -n "${need_dash_r}"; then
 794                                         LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 795                                 else
 796                                         LDFLAGS="-L${withval} ${LDFLAGS}"
 797                                 fi
 798                         fi
 799                         if test -d "$withval/include"; then
 800                                 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 801                         else
 802                                 CPPFLAGS="-I${withval} ${CPPFLAGS}"
 803                         fi
 804                 fi
 805         ]
 806 )
 807 LIBS="$LIBS -lcrypto"
 808 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 809         [
 810                 dnl Check default openssl install dir
 811                 if test -n "${need_dash_r}"; then
 812                         LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
 813                 else
 814                         LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
 815                 fi
 816                 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
 817                 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 818                         [
 819                                 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
 820                         ]
 821                 )
 822         ]
 823 )
 824
 825 # Determine OpenSSL header version
 826 AC_MSG_CHECKING([OpenSSL header version])
 827 AC_TRY_RUN(
 828         [
 829 #include <stdio.h>
 830 #include <string.h>
 831 #include <openssl/opensslv.h>
 832 #define DATA "conftest.sslincver"
 833 int main(void) {
 834         FILE *fd;
 835         int rc;
 836
 837         fd = fopen(DATA,"w");
 838         if(fd == NULL)
 839                 exit(1);
 840
 841         if ((rc = fprintf(fd ,"%x (%s)\n", OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT)) <0)
 842                 exit(1);
 843
 844         exit(0);
 845 }
 846         ],
 847         [
 848                 ssl_header_ver=`cat conftest.sslincver`
 849                 AC_MSG_RESULT($ssl_header_ver)
 850         ],
 851         [
 852                 AC_MSG_RESULT(not found)
 853                 AC_MSG_ERROR(OpenSSL version header not found.)
 854         ]
 855 )
 856
 857 # Determine OpenSSL library version
 858 AC_MSG_CHECKING([OpenSSL library version])
 859 AC_TRY_RUN(
 860         [
 861 #include <stdio.h>
 862 #include <string.h>
 863 #include <openssl/opensslv.h>
 864 #include <openssl/crypto.h>
 865 #define DATA "conftest.ssllibver"
 866 int main(void) {
 867         FILE *fd;
 868         int rc;
 869
 870         fd = fopen(DATA,"w");
 871         if(fd == NULL)
 872                 exit(1);
 873
 874         if ((rc = fprintf(fd ,"%x (%s)\n", SSLeay(), SSLeay_version(SSLEAY_VERSION))) <0)
 875                 exit(1);
 876
 877         exit(0);
 878 }
 879         ],
 880         [
 881                 ssl_library_ver=`cat conftest.ssllibver`
 882                 AC_MSG_RESULT($ssl_library_ver)
 883         ],
 884         [
 885                 AC_MSG_RESULT(not found)
 886                 AC_MSG_ERROR(OpenSSL library not found.)
 887         ]
 888 )
 889
 890 # Sanity check OpenSSL headers
 891 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
 892 AC_TRY_RUN(
 893         [
 894 #include <string.h>
 895 #include <openssl/opensslv.h>
 896 int main(void) { exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
 897         ],
 898         [
 899                 AC_MSG_RESULT(yes)
 900         ],
 901         [
 902                 AC_MSG_RESULT(no)
 903                 AC_MSG_ERROR(Your OpenSSL headers do not match your library)
 904         ]
 905 )
 906
 907 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 908 # version in OpenSSL. Skip this for PAM
 909 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 910         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 911 fi
 912
 913
 914 ### Configure cryptographic random number support
 915
 916 # Check wheter OpenSSL seeds itself
 917 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
 918 AC_TRY_RUN(
 919         [
 920 #include <string.h>
 921 #include <openssl/rand.h>
 922 int main(void) { exit(RAND_status() == 1 ? 0 : 1); }
 923         ],
 924         [
 925                 OPENSSL_SEEDS_ITSELF=yes
 926                 AC_MSG_RESULT(yes)
 927         ],
 928         [
 929                 AC_MSG_RESULT(no)
 930                 # Default to use of the rand helper if OpenSSL doesn't
 931                 # seed itself
 932                 USE_RAND_HELPER=yes
 933         ]
 934 )
 935
 936
 937 # Do we want to force the use of the rand helper?
 938 AC_ARG_WITH(rand-helper,
 939         [  --with-rand-helper      Use subprocess to gather strong randomness ],
 940         [
 941                 if test "x$withval" = "xno" ; then
 942                         # Force use of OpenSSL's internal RNG, even if
 943                         # the previous test showed it to be unseeded.
 944                         if test -z "$OPENSSL_SEEDS_ITSELF" ; then
 945                                 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
 946                                 OPENSSL_SEEDS_ITSELF=yes
 947                                 USE_RAND_HELPER=""
 948                         fi
 949                 else
 950                         USE_RAND_HELPER=yes
 951                 fi
 952         ],
 953 )
 954
 955 # Which randomness source do we use?
 956 if test ! -z "$OPENSSL_SEEDS_ITSELF" -a -z "$USE_RAND_HELPER" ; then
 957         # OpenSSL only
 958         AC_DEFINE(OPENSSL_PRNG_ONLY)
 959         RAND_MSG="OpenSSL internal ONLY"
 960         INSTALL_SSH_RAND_HELPER=""
 961 elif test ! -z "$USE_RAND_HELPER" ; then
 962         # install rand helper
 963         RAND_MSG="ssh-rand-helper"
 964         INSTALL_SSH_RAND_HELPER="yes"
 965 fi
 966 AC_SUBST(INSTALL_SSH_RAND_HELPER)
 967
 968 ### Configuration of ssh-rand-helper
 969
 970 # PRNGD TCP socket
 971 AC_ARG_WITH(prngd-port,
 972         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD TCP localhost:PORT],
 973         [
 974                 case "$withval" in
 975                 no)
 976                         withval=""
 977                         ;;
 978                 [[0-9]]*)
 979                         ;;
 980                 *)
 981                         AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
 982                         ;;
 983                 esac
 984                 if test ! -z "$withval" ; then
 985                         PRNGD_PORT="$withval"
 986                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
 987                 fi
 988         ]
 989 )
 990
 991 # PRNGD Unix domain socket
 992 AC_ARG_WITH(prngd-socket,
 993         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
 994         [
 995                 case "$withval" in
 996                 yes)
 997                         withval="/var/run/egd-pool"
 998                         ;;
 999                 no)
1000                         withval=""
1001                         ;;
1002                 /*)
1003                         ;;
1004                 *)
1005                         AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
1006                         ;;
1007                 esac
1008
1009                 if test ! -z "$withval" ; then
1010                         if test ! -z "$PRNGD_PORT" ; then
1011                                 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
1012                         fi
1013                         if test ! -r "$withval" ; then
1014                                 AC_MSG_WARN(Entropy socket is not readable)
1015                         fi
1016                         PRNGD_SOCKET="$withval"
1017                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1018                 fi
1019         ],
1020         [
1021                 # Check for existing socket only if we don't have a random device already
1022                 if test "$USE_RAND_HELPER" = yes ; then
1023                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1024                         # Insert other locations here
1025                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1026                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1027                                         PRNGD_SOCKET="$sock"
1028                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1029                                         break;
1030                                 fi
1031                         done
1032                         if test ! -z "$PRNGD_SOCKET" ; then
1033                                 AC_MSG_RESULT($PRNGD_SOCKET)
1034                         else
1035                                 AC_MSG_RESULT(not found)
1036                         fi
1037                 fi
1038         ]
1039 )
1040
1041 # Change default command timeout for hashing entropy source
1042 entropy_timeout=200
1043 AC_ARG_WITH(entropy-timeout,
1044         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1045         [
1046                 if test "x$withval" != "xno" ; then
1047                         entropy_timeout=$withval
1048                 fi
1049         ]
1050 )
1051 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1052
1053 SSH_PRIVSEP_USER=sshd
1054 AC_ARG_WITH(privsep-user,
1055         [  --with-privsep-user=user Specify non-privileged user for privilege separation],
1056         [
1057                 if test -n "$withval"; then
1058                         SSH_PRIVSEP_USER=$withval
1059                 fi
1060         ]
1061 )
1062 AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$SSH_PRIVSEP_USER")
1063 AC_SUBST(SSH_PRIVSEP_USER)
1064
1065 # We do this little dance with the search path to insure
1066 # that programs that we select for use by installed programs
1067 # (which may be run by the super-user) come from trusted
1068 # locations before they come from the user's private area.
1069 # This should help avoid accidentally configuring some
1070 # random version of a program in someone's personal bin.
1071
1072 OPATH=$PATH
1073 PATH=/bin:/usr/bin
1074 test -h /bin 2> /dev/null && PATH=/usr/bin
1075 test -d /sbin && PATH=$PATH:/sbin
1076 test -d /usr/sbin && PATH=$PATH:/usr/sbin
1077 PATH=$PATH:/etc:$OPATH
1078
1079 # These programs are used by the command hashing source to gather entropy
1080 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1081 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1082 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1083 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1084 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
1085 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1086 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
1087 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1088 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1089 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1090 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1091 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1092 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1093 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1094 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1095 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1096 # restore PATH
1097 PATH=$OPATH
1098
1099 # Where does ssh-rand-helper get its randomness from?
1100 INSTALL_SSH_PRNG_CMDS=""
1101 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
1102         if test ! -z "$PRNGD_PORT" ; then
1103                 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
1104         elif test ! -z "$PRNGD_SOCKET" ; then
1105                 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
1106         else
1107                 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
1108                 RAND_HELPER_CMDHASH=yes
1109                 INSTALL_SSH_PRNG_CMDS="yes"
1110         fi
1111 fi
1112 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1113
1114
1115 # Cheap hack to ensure NEWS-OS libraries are arranged right.
1116 if test ! -z "$SONY" ; then
1117   LIBS="$LIBS -liberty";
1118 fi
1119
1120 # Checks for data types
1121 AC_CHECK_SIZEOF(char, 1)
1122 AC_CHECK_SIZEOF(short int, 2)
1123 AC_CHECK_SIZEOF(int, 4)
1124 AC_CHECK_SIZEOF(long int, 4)
1125 AC_CHECK_SIZEOF(long long int, 8)
1126
1127 # Sanity check long long for some platforms (AIX)
1128 if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
1129         ac_cv_sizeof_long_long_int=0
1130 fi
1131
1132 # More checks for data types
1133 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
1134         AC_TRY_COMPILE(
1135                 [ #include <sys/types.h> ],
1136                 [ u_int a; a = 1;],
1137                 [ ac_cv_have_u_int="yes" ],
1138                 [ ac_cv_have_u_int="no" ]
1139         )
1140 ])
1141 if test "x$ac_cv_have_u_int" = "xyes" ; then
1142         AC_DEFINE(HAVE_U_INT)
1143         have_u_int=1
1144 fi
1145
1146 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
1147         AC_TRY_COMPILE(
1148                 [ #include <sys/types.h> ],
1149                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1150                 [ ac_cv_have_intxx_t="yes" ],
1151                 [ ac_cv_have_intxx_t="no" ]
1152         )
1153 ])
1154 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
1155         AC_DEFINE(HAVE_INTXX_T)
1156         have_intxx_t=1
1157 fi
1158
1159 if (test -z "$have_intxx_t" && \
1160            test "x$ac_cv_header_stdint_h" = "xyes")
1161 then
1162     AC_MSG_CHECKING([for intXX_t types in stdint.h])
1163         AC_TRY_COMPILE(
1164                 [ #include <stdint.h> ],
1165                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1166                 [
1167                         AC_DEFINE(HAVE_INTXX_T)
1168                         AC_MSG_RESULT(yes)
1169                 ],
1170                 [ AC_MSG_RESULT(no) ]
1171         )
1172 fi
1173
1174 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
1175         AC_TRY_COMPILE(
1176                 [
1177 #include <sys/types.h>
1178 #ifdef HAVE_STDINT_H
1179 # include <stdint.h>
1180 #endif
1181 #include <sys/socket.h>
1182 #ifdef HAVE_SYS_BITYPES_H
1183 # include <sys/bitypes.h>
1184 #endif
1185                 ],
1186                 [ int64_t a; a = 1;],
1187                 [ ac_cv_have_int64_t="yes" ],
1188                 [ ac_cv_have_int64_t="no" ]
1189         )
1190 ])
1191 if test "x$ac_cv_have_int64_t" = "xyes" ; then
1192         AC_DEFINE(HAVE_INT64_T)
1193 fi
1194
1195 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
1196         AC_TRY_COMPILE(
1197                 [ #include <sys/types.h> ],
1198                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1199                 [ ac_cv_have_u_intxx_t="yes" ],
1200                 [ ac_cv_have_u_intxx_t="no" ]
1201         )
1202 ])
1203 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
1204         AC_DEFINE(HAVE_U_INTXX_T)
1205         have_u_intxx_t=1
1206 fi
1207
1208 if test -z "$have_u_intxx_t" ; then
1209     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
1210         AC_TRY_COMPILE(
1211                 [ #include <sys/socket.h> ],
1212                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1213                 [
1214                         AC_DEFINE(HAVE_U_INTXX_T)
1215                         AC_MSG_RESULT(yes)
1216                 ],
1217                 [ AC_MSG_RESULT(no) ]
1218         )
1219 fi
1220
1221 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
1222         AC_TRY_COMPILE(
1223                 [ #include <sys/types.h> ],
1224                 [ u_int64_t a; a = 1;],
1225                 [ ac_cv_have_u_int64_t="yes" ],
1226                 [ ac_cv_have_u_int64_t="no" ]
1227         )
1228 ])
1229 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
1230         AC_DEFINE(HAVE_U_INT64_T)
1231         have_u_int64_t=1
1232 fi
1233
1234 if test -z "$have_u_int64_t" ; then
1235     AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
1236         AC_TRY_COMPILE(
1237                 [ #include <sys/bitypes.h> ],
1238                 [ u_int64_t a; a = 1],
1239                 [
1240                         AC_DEFINE(HAVE_U_INT64_T)
1241                         AC_MSG_RESULT(yes)
1242                 ],
1243                 [ AC_MSG_RESULT(no) ]
1244         )
1245 fi
1246
1247 if test -z "$have_u_intxx_t" ; then
1248         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
1249                 AC_TRY_COMPILE(
1250                         [
1251 #include <sys/types.h>
1252                         ],
1253                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
1254                         [ ac_cv_have_uintxx_t="yes" ],
1255                         [ ac_cv_have_uintxx_t="no" ]
1256                 )
1257         ])
1258         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
1259                 AC_DEFINE(HAVE_UINTXX_T)
1260         fi
1261 fi
1262
1263 if test -z "$have_uintxx_t" ; then
1264     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
1265         AC_TRY_COMPILE(
1266                 [ #include <stdint.h> ],
1267                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
1268                 [
1269                         AC_DEFINE(HAVE_UINTXX_T)
1270                         AC_MSG_RESULT(yes)
1271                 ],
1272                 [ AC_MSG_RESULT(no) ]
1273         )
1274 fi
1275
1276 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
1277            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
1278 then
1279         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
1280         AC_TRY_COMPILE(
1281                 [
1282 #include <sys/bitypes.h>
1283                 ],
1284                 [
1285                         int8_t a; int16_t b; int32_t c;
1286                         u_int8_t e; u_int16_t f; u_int32_t g;
1287                         a = b = c = e = f = g = 1;
1288                 ],
1289                 [
1290                         AC_DEFINE(HAVE_U_INTXX_T)
1291                         AC_DEFINE(HAVE_INTXX_T)
1292                         AC_MSG_RESULT(yes)
1293                 ],
1294                 [AC_MSG_RESULT(no)]
1295         )
1296 fi
1297
1298
1299 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
1300         AC_TRY_COMPILE(
1301                 [
1302 #include <sys/types.h>
1303                 ],
1304                 [ u_char foo; foo = 125; ],
1305                 [ ac_cv_have_u_char="yes" ],
1306                 [ ac_cv_have_u_char="no" ]
1307         )
1308 ])
1309 if test "x$ac_cv_have_u_char" = "xyes" ; then
1310         AC_DEFINE(HAVE_U_CHAR)
1311 fi
1312
1313 TYPE_SOCKLEN_T
1314
1315 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
1316
1317 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
1318         AC_TRY_COMPILE(
1319                 [
1320 #include <sys/types.h>
1321                 ],
1322                 [ size_t foo; foo = 1235; ],
1323                 [ ac_cv_have_size_t="yes" ],
1324                 [ ac_cv_have_size_t="no" ]
1325         )
1326 ])
1327 if test "x$ac_cv_have_size_t" = "xyes" ; then
1328         AC_DEFINE(HAVE_SIZE_T)
1329 fi
1330
1331 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
1332         AC_TRY_COMPILE(
1333                 [
1334 #include <sys/types.h>
1335                 ],
1336                 [ ssize_t foo; foo = 1235; ],
1337                 [ ac_cv_have_ssize_t="yes" ],
1338                 [ ac_cv_have_ssize_t="no" ]
1339         )
1340 ])
1341 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
1342         AC_DEFINE(HAVE_SSIZE_T)
1343 fi
1344
1345 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
1346         AC_TRY_COMPILE(
1347                 [
1348 #include <time.h>
1349                 ],
1350                 [ clock_t foo; foo = 1235; ],
1351                 [ ac_cv_have_clock_t="yes" ],
1352                 [ ac_cv_have_clock_t="no" ]
1353         )
1354 ])
1355 if test "x$ac_cv_have_clock_t" = "xyes" ; then
1356         AC_DEFINE(HAVE_CLOCK_T)
1357 fi
1358
1359 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
1360         AC_TRY_COMPILE(
1361                 [
1362 #include <sys/types.h>
1363 #include <sys/socket.h>
1364                 ],
1365                 [ sa_family_t foo; foo = 1235; ],
1366                 [ ac_cv_have_sa_family_t="yes" ],
1367                 [ AC_TRY_COMPILE(
1368                   [
1369 #include <sys/types.h>
1370 #include <sys/socket.h>
1371 #include <netinet/in.h>
1372                 ],
1373                 [ sa_family_t foo; foo = 1235; ],
1374                 [ ac_cv_have_sa_family_t="yes" ],
1375
1376                 [ ac_cv_have_sa_family_t="no" ]
1377         )]
1378         )
1379 ])
1380 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
1381         AC_DEFINE(HAVE_SA_FAMILY_T)
1382 fi
1383
1384 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
1385         AC_TRY_COMPILE(
1386                 [
1387 #include <sys/types.h>
1388                 ],
1389                 [ pid_t foo; foo = 1235; ],
1390                 [ ac_cv_have_pid_t="yes" ],
1391                 [ ac_cv_have_pid_t="no" ]
1392         )
1393 ])
1394 if test "x$ac_cv_have_pid_t" = "xyes" ; then
1395         AC_DEFINE(HAVE_PID_T)
1396 fi
1397
1398 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
1399         AC_TRY_COMPILE(
1400                 [
1401 #include <sys/types.h>
1402                 ],
1403                 [ mode_t foo; foo = 1235; ],
1404                 [ ac_cv_have_mode_t="yes" ],
1405                 [ ac_cv_have_mode_t="no" ]
1406         )
1407 ])
1408 if test "x$ac_cv_have_mode_t" = "xyes" ; then
1409         AC_DEFINE(HAVE_MODE_T)
1410 fi
1411
1412
1413 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
1414         AC_TRY_COMPILE(
1415                 [
1416 #include <sys/types.h>
1417 #include <sys/socket.h>
1418                 ],
1419                 [ struct sockaddr_storage s; ],
1420                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
1421                 [ ac_cv_have_struct_sockaddr_storage="no" ]
1422         )
1423 ])
1424 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
1425         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
1426 fi
1427
1428 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
1429         AC_TRY_COMPILE(
1430                 [
1431 #include <sys/types.h>
1432 #include <netinet/in.h>
1433                 ],
1434                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1435                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1436                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1437         )
1438 ])
1439 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1440         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1441 fi
1442
1443 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1444         AC_TRY_COMPILE(
1445                 [
1446 #include <sys/types.h>
1447 #include <netinet/in.h>
1448                 ],
1449                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1450                 [ ac_cv_have_struct_in6_addr="yes" ],
1451                 [ ac_cv_have_struct_in6_addr="no" ]
1452         )
1453 ])
1454 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1455         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1456 fi
1457
1458 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1459         AC_TRY_COMPILE(
1460                 [
1461 #include <sys/types.h>
1462 #include <sys/socket.h>
1463 #include <netdb.h>
1464                 ],
1465                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1466                 [ ac_cv_have_struct_addrinfo="yes" ],
1467                 [ ac_cv_have_struct_addrinfo="no" ]
1468         )
1469 ])
1470 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1471         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1472 fi
1473
1474 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1475         AC_TRY_COMPILE(
1476                 [ #include <sys/time.h> ],
1477                 [ struct timeval tv; tv.tv_sec = 1;],
1478                 [ ac_cv_have_struct_timeval="yes" ],
1479                 [ ac_cv_have_struct_timeval="no" ]
1480         )
1481 ])
1482 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1483         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1484         have_struct_timeval=1
1485 fi
1486
1487 AC_CHECK_TYPES(struct timespec)
1488
1489 # We need int64_t or else certian parts of the compile will fail.
1490 if test "x$ac_cv_have_int64_t" = "xno" -a \
1491         "x$ac_cv_sizeof_long_int" != "x8" -a \
1492         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1493         echo "OpenSSH requires int64_t support.  Contact your vendor or install"
1494         echo "an alternative compiler (I.E., GCC) before continuing."
1495         echo ""
1496         exit 1;
1497 else
1498 dnl test snprintf (broken on SCO w/gcc)
1499         AC_TRY_RUN(
1500                 [
1501 #include <stdio.h>
1502 #include <string.h>
1503 #ifdef HAVE_SNPRINTF
1504 main()
1505 {
1506         char buf[50];
1507         char expected_out[50];
1508         int mazsize = 50 ;
1509 #if (SIZEOF_LONG_INT == 8)
1510         long int num = 0x7fffffffffffffff;
1511 #else
1512         long long num = 0x7fffffffffffffffll;
1513 #endif
1514         strcpy(expected_out, "9223372036854775807");
1515         snprintf(buf, mazsize, "%lld", num);
1516         if(strcmp(buf, expected_out) != 0)
1517                 exit(1);
1518         exit(0);
1519 }
1520 #else
1521 main() { exit(0); }
1522 #endif
1523                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1524         )
1525 fi
1526
1527 dnl Checks for structure members
1528 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1529 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1530 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1531 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1532 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1533 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1534 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1535 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1536 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1537 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1538 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1539 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1540 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1541 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1542 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1543 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1544 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1545
1546 AC_CHECK_MEMBERS([struct stat.st_blksize])
1547
1548 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1549                 ac_cv_have_ss_family_in_struct_ss, [
1550         AC_TRY_COMPILE(
1551                 [
1552 #include <sys/types.h>
1553 #include <sys/socket.h>
1554                 ],
1555                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1556                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1557                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1558         )
1559 ])
1560 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1561         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1562 fi
1563
1564 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1565                 ac_cv_have___ss_family_in_struct_ss, [
1566         AC_TRY_COMPILE(
1567                 [
1568 #include <sys/types.h>
1569 #include <sys/socket.h>
1570                 ],
1571                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1572                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1573                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1574         )
1575 ])
1576 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1577         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1578 fi
1579
1580 AC_CACHE_CHECK([for pw_class field in struct passwd],
1581                 ac_cv_have_pw_class_in_struct_passwd, [
1582         AC_TRY_COMPILE(
1583                 [
1584 #include <pwd.h>
1585                 ],
1586                 [ struct passwd p; p.pw_class = 0; ],
1587                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1588                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1589         )
1590 ])
1591 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1592         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1593 fi
1594
1595 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1596                 ac_cv_have_pw_expire_in_struct_passwd, [
1597         AC_TRY_COMPILE(
1598                 [
1599 #include <pwd.h>
1600                 ],
1601                 [ struct passwd p; p.pw_expire = 0; ],
1602                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1603                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1604         )
1605 ])
1606 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1607         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1608 fi
1609
1610 AC_CACHE_CHECK([for pw_change field in struct passwd],
1611                 ac_cv_have_pw_change_in_struct_passwd, [
1612         AC_TRY_COMPILE(
1613                 [
1614 #include <pwd.h>
1615                 ],
1616                 [ struct passwd p; p.pw_change = 0; ],
1617                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1618                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1619         )
1620 ])
1621 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1622         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1623 fi
1624
1625 dnl make sure we're using the real structure members and not defines
1626 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
1627                 ac_cv_have_accrights_in_msghdr, [
1628         AC_TRY_RUN(
1629                 [
1630 #include <sys/types.h>
1631 #include <sys/socket.h>
1632 #include <sys/uio.h>
1633 int main() {
1634 #ifdef msg_accrights
1635 exit(1);
1636 #endif
1637 struct msghdr m;
1638 m.msg_accrights = 0;
1639 exit(0);
1640 }
1641                 ],
1642                 [ ac_cv_have_accrights_in_msghdr="yes" ],
1643                 [ ac_cv_have_accrights_in_msghdr="no" ]
1644         )
1645 ])
1646 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
1647         AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
1648 fi
1649
1650 AC_CACHE_CHECK([for msg_control field in struct msghdr],
1651                 ac_cv_have_control_in_msghdr, [
1652         AC_TRY_RUN(
1653                 [
1654 #include <sys/types.h>
1655 #include <sys/socket.h>
1656 #include <sys/uio.h>
1657 int main() {
1658 #ifdef msg_control
1659 exit(1);
1660 #endif
1661 struct msghdr m;
1662 m.msg_control = 0;
1663 exit(0);
1664 }
1665                 ],
1666                 [ ac_cv_have_control_in_msghdr="yes" ],
1667                 [ ac_cv_have_control_in_msghdr="no" ]
1668         )
1669 ])
1670 if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
1671         AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
1672 fi
1673
1674 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1675         AC_TRY_LINK([],
1676                 [ extern char *__progname; printf("%s", __progname); ],
1677                 [ ac_cv_libc_defines___progname="yes" ],
1678                 [ ac_cv_libc_defines___progname="no" ]
1679         )
1680 ])
1681 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1682         AC_DEFINE(HAVE___PROGNAME)
1683 fi
1684
1685 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
1686         AC_TRY_LINK([
1687 #include <stdio.h>
1688 ],
1689                 [ printf("%s", __FUNCTION__); ],
1690                 [ ac_cv_cc_implements___FUNCTION__="yes" ],
1691                 [ ac_cv_cc_implements___FUNCTION__="no" ]
1692         )
1693 ])
1694 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
1695         AC_DEFINE(HAVE___FUNCTION__)
1696 fi
1697
1698 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
1699         AC_TRY_LINK([
1700 #include <stdio.h>
1701 ],
1702                 [ printf("%s", __func__); ],
1703                 [ ac_cv_cc_implements___func__="yes" ],
1704                 [ ac_cv_cc_implements___func__="no" ]
1705         )
1706 ])
1707 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
1708         AC_DEFINE(HAVE___func__)
1709 fi
1710
1711 AC_CACHE_CHECK([whether getopt has optreset support],
1712                 ac_cv_have_getopt_optreset, [
1713         AC_TRY_LINK(
1714                 [
1715 #include <getopt.h>
1716                 ],
1717                 [ extern int optreset; optreset = 0; ],
1718                 [ ac_cv_have_getopt_optreset="yes" ],
1719                 [ ac_cv_have_getopt_optreset="no" ]
1720         )
1721 ])
1722 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
1723         AC_DEFINE(HAVE_GETOPT_OPTRESET)
1724 fi
1725
1726 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1727         AC_TRY_LINK([],
1728                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1729                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1730                 [ ac_cv_libc_defines_sys_errlist="no" ]
1731         )
1732 ])
1733 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1734         AC_DEFINE(HAVE_SYS_ERRLIST)
1735 fi
1736
1737
1738 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1739         AC_TRY_LINK([],
1740                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1741                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1742                 [ ac_cv_libc_defines_sys_nerr="no" ]
1743         )
1744 ])
1745 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1746         AC_DEFINE(HAVE_SYS_NERR)
1747 fi
1748
1749 SCARD_MSG="no"
1750
1751 # Check whether user wants sectok support
1752 AC_ARG_WITH(sectok,
1753         [  --with-sectok           Enable smartcard support using libsectok],
1754         [
1755                 if test "x$withval" != "xno" ; then
1756                         if test "x$withval" != "xyes" ; then
1757                                 CPPFLAGS="$CPPFLAGS -I${withval}"
1758                                 LDFLAGS="$LDFLAGS -L${withval}"
1759                                 if test ! -z "$need_dash_r" ; then
1760                                         LDFLAGS="$LDFLAGS -R${withval}"
1761                                 fi
1762                                 if test ! -z "$blibpath" ; then
1763                                         blibpath="$blibpath:${withval}"
1764                                 fi
1765                         fi
1766                         AC_CHECK_HEADERS(sectok.h)
1767                         if test "$ac_cv_header_sectok_h" != yes; then
1768                                 AC_MSG_ERROR(Can't find sectok.h)
1769                         fi
1770                         AC_CHECK_LIB(sectok, sectok_open)
1771                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
1772                                 AC_MSG_ERROR(Can't find libsectok)
1773                         fi
1774                         AC_DEFINE(SMARTCARD)
1775                         AC_DEFINE(USE_SECTOK)
1776                         SCARD_MSG="yes, using sectok"
1777                 fi
1778         ]
1779 )
1780
1781 # Check whether user wants OpenSC support
1782 AC_ARG_WITH(opensc,
1783         AC_HELP_STRING([--with-opensc=PFX],
1784                        [Enable smartcard support using OpenSC]),
1785         opensc_config_prefix="$withval", opensc_config_prefix="")
1786 if test x$opensc_config_prefix != x ; then
1787   OPENSC_CONFIG=$opensc_config_prefix/bin/opensc-config
1788   AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
1789   if test "$OPENSC_CONFIG" != "no"; then
1790     LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
1791     LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
1792     CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
1793     LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"
1794     AC_DEFINE(SMARTCARD)
1795     AC_DEFINE(USE_OPENSC)
1796     SCARD_MSG="yes, using OpenSC"
1797   fi
1798 fi
1799
1800 # Check whether user wants Kerberos 5 support
1801 KRB5_MSG="no"
1802 AC_ARG_WITH(kerberos5,
1803         [  --with-kerberos5=PATH   Enable Kerberos 5 support],
1804         [
1805                 if test "x$withval" != "xno" ; then
1806                         if test "x$withval" = "xyes" ; then
1807                                 KRB5ROOT="/usr/local"
1808                         else
1809                                 KRB5ROOT=${withval}
1810                         fi
1811                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
1812                         LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
1813                         AC_DEFINE(KRB5)
1814                         KRB5_MSG="yes"
1815                         AC_MSG_CHECKING(whether we are using Heimdal)
1816                         AC_TRY_COMPILE([ #include <krb5.h> ],
1817                                        [ char *tmp = heimdal_version; ],
1818                                        [ AC_MSG_RESULT(yes)
1819                                          AC_DEFINE(HEIMDAL)
1820                                          K5LIBS="-lkrb5 -ldes -lcom_err -lasn1 -lroken"
1821                                        ],
1822                                        [ AC_MSG_RESULT(no)
1823                                          K5LIBS="-lkrb5 -lk5crypto -lcom_err"
1824                                        ]
1825                         )
1826                         if test ! -z "$need_dash_r" ; then
1827                                 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
1828                         fi
1829                         if test ! -z "$blibpath" ; then
1830                                 blibpath="$blibpath:${KRB5ROOT}/lib"
1831                         fi
1832                         AC_CHECK_LIB(resolv, dn_expand, , )
1833
1834                         KRB5=yes
1835                 fi
1836         ]
1837 )
1838 # Check whether user wants Kerberos 4 support
1839 KRB4_MSG="no"
1840 AC_ARG_WITH(kerberos4,
1841         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1842         [
1843                 if test "x$withval" != "xno" ; then
1844                         if test "x$withval" != "xyes" ; then
1845                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1846                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1847                                 if test ! -z "$need_dash_r" ; then
1848                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1849                                 fi
1850                                 if test ! -z "$blibpath" ; then
1851                                         blibpath="$blibpath:${withval}/lib"
1852                                 fi
1853                         else
1854                                 if test -d /usr/include/kerberosIV ; then
1855                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1856                                 fi
1857                         fi
1858
1859                         AC_CHECK_HEADERS(krb.h)
1860                         if test "$ac_cv_header_krb_h" != yes; then
1861                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1862                         fi
1863                         AC_CHECK_LIB(krb, main)
1864                         if test "$ac_cv_lib_krb_main" != yes; then
1865                                 AC_CHECK_LIB(krb4, main)
1866                                 if test "$ac_cv_lib_krb4_main" != yes; then
1867                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
1868                                 else
1869                                         KLIBS="-lkrb4"
1870                                 fi
1871                         else
1872                                 KLIBS="-lkrb"
1873                         fi
1874                         AC_CHECK_LIB(des, des_cbc_encrypt)
1875                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
1876                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
1877                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
1878                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
1879                                 else
1880                                         KLIBS="-ldes425"
1881                                 fi
1882                         else
1883                                 KLIBS="-ldes"
1884                         fi
1885                         AC_CHECK_LIB(resolv, dn_expand, , )
1886                         KRB4=yes
1887                         KRB4_MSG="yes"
1888                         AC_DEFINE(KRB4)
1889                 fi
1890         ]
1891 )
1892
1893 # Check whether user wants AFS support
1894 AFS_MSG="no"
1895 AC_ARG_WITH(afs,
1896         [  --with-afs=PATH         Enable AFS support],
1897         [
1898                 if test "x$withval" != "xno" ; then
1899
1900                         if test "x$withval" != "xyes" ; then
1901                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1902                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1903                         fi
1904
1905                         if test -z "$KRB4" ; then
1906                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1907                         fi
1908
1909                         LIBS="-lkafs $LIBS"
1910                         if test ! -z "$AFS_LIBS" ; then
1911                                 LIBS="$LIBS $AFS_LIBS"
1912                         fi
1913                         AC_DEFINE(AFS)
1914                         AFS_MSG="yes"
1915                 fi
1916         ]
1917 )
1918 LIBS="$LIBS $KLIBS $K5LIBS"
1919
1920 # Looking for programs, paths and files
1921
1922 PRIVSEP_PATH=/var/empty
1923 AC_ARG_WITH(privsep-path,
1924         [  --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)],
1925         [
1926                 if test "x$withval" != "$no" ; then
1927                         PRIVSEP_PATH=$withval
1928                 fi
1929         ]
1930 )
1931 AC_SUBST(PRIVSEP_PATH)
1932
1933 AC_ARG_WITH(xauth,
1934         [  --with-xauth=PATH       Specify path to xauth program ],
1935         [
1936                 if test "x$withval" != "xno" ; then
1937                         xauth_path=$withval
1938                 fi
1939         ],
1940         [
1941                 TestPath="$PATH"
1942                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X/bin"
1943                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/bin/X11"
1944                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X11R6/bin"
1945                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/openwin/bin"
1946                 AC_PATH_PROG(xauth_path, xauth, , $TestPath)
1947                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1948                         xauth_path="/usr/openwin/bin/xauth"
1949                 fi
1950         ]
1951 )
1952
1953 STRIP_OPT=-s
1954 AC_ARG_ENABLE(strip,
1955         [  --disable-strip         Disable calling strip(1) on install],
1956         [
1957                 if test "x$enableval" = "xno" ; then
1958                         STRIP_OPT=
1959                 fi
1960         ]
1961 )
1962 AC_SUBST(STRIP_OPT)
1963
1964 if test -z "$xauth_path" ; then
1965         XAUTH_PATH="undefined"
1966         AC_SUBST(XAUTH_PATH)
1967 else
1968         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1969         XAUTH_PATH=$xauth_path
1970         AC_SUBST(XAUTH_PATH)
1971 fi
1972
1973 # Check for mail directory (last resort if we cannot get it from headers)
1974 if test ! -z "$MAIL" ; then
1975         maildir=`dirname $MAIL`
1976         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1977 fi
1978
1979 if test -z "$no_dev_ptmx" ; then
1980         if test "x$disable_ptmx_check" != "xyes" ; then
1981                 AC_CHECK_FILE("/dev/ptmx",
1982                         [
1983                                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1984                                 have_dev_ptmx=1
1985                         ]
1986                 )
1987         fi
1988 fi
1989 AC_CHECK_FILE("/dev/ptc",
1990         [
1991                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1992                 have_dev_ptc=1
1993         ]
1994 )
1995
1996 # Options from here on. Some of these are preset by platform above
1997 AC_ARG_WITH(mantype,
1998         [  --with-mantype=man|cat|doc  Set man page type],
1999         [
2000                 case "$withval" in
2001                 man|cat|doc)
2002                         MANTYPE=$withval
2003                         ;;
2004                 *)
2005                         AC_MSG_ERROR(invalid man type: $withval)
2006                         ;;
2007                 esac
2008         ]
2009 )
2010 if test -z "$MANTYPE"; then
2011         TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb"
2012         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, $TestPath)
2013         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
2014                 MANTYPE=doc
2015         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
2016                 MANTYPE=man
2017         else
2018                 MANTYPE=cat
2019         fi
2020 fi
2021 AC_SUBST(MANTYPE)
2022 if test "$MANTYPE" = "doc"; then
2023         mansubdir=man;
2024 else
2025         mansubdir=$MANTYPE;
2026 fi
2027 AC_SUBST(mansubdir)
2028
2029 # Check whether to enable MD5 passwords
2030 MD5_MSG="no"
2031 AC_ARG_WITH(md5-passwords,
2032         [  --with-md5-passwords    Enable use of MD5 passwords],
2033         [
2034                 if test "x$withval" != "xno" ; then
2035                         AC_DEFINE(HAVE_MD5_PASSWORDS)
2036                         MD5_MSG="yes"
2037                 fi
2038         ]
2039 )
2040
2041 # Whether to disable shadow password support
2042 AC_ARG_WITH(shadow,
2043         [  --without-shadow        Disable shadow password support],
2044         [
2045                 if test "x$withval" = "xno" ; then
2046                         AC_DEFINE(DISABLE_SHADOW)
2047                         disable_shadow=yes
2048                 fi
2049         ]
2050 )
2051
2052 if test -z "$disable_shadow" ; then
2053         AC_MSG_CHECKING([if the systems has expire shadow information])
2054         AC_TRY_COMPILE(
2055         [
2056 #include <sys/types.h>
2057 #include <shadow.h>
2058         struct spwd sp;
2059         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
2060         [ sp_expire_available=yes ], []
2061         )
2062
2063         if test "x$sp_expire_available" = "xyes" ; then
2064                 AC_MSG_RESULT(yes)
2065                 AC_DEFINE(HAS_SHADOW_EXPIRE)
2066         else
2067                 AC_MSG_RESULT(no)
2068         fi
2069 fi
2070
2071 # Use ip address instead of hostname in $DISPLAY
2072 if test ! -z "$IPADDR_IN_DISPLAY" ; then
2073         DISPLAY_HACK_MSG="yes"
2074         AC_DEFINE(IPADDR_IN_DISPLAY)
2075 else
2076         DISPLAY_HACK_MSG="no"
2077         AC_ARG_WITH(ipaddr-display,
2078                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
2079                 [
2080                         if test "x$withval" != "xno" ; then
2081                                 AC_DEFINE(IPADDR_IN_DISPLAY)
2082                                 DISPLAY_HACK_MSG="yes"
2083                         fi
2084                 ]
2085         )
2086 fi
2087
2088 dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
2089 if test $ac_cv_func_login_getcapbool = "yes" -a \
2090         $ac_cv_header_login_cap_h = "yes" ; then
2091         USES_LOGIN_CONF=yes
2092 fi
2093 # Whether to mess with the default path
2094 SERVER_PATH_MSG="(default)"
2095 AC_ARG_WITH(default-path,
2096         [  --with-default-path=    Specify default \$PATH environment for server],
2097         [
2098                 if test "$USES_LOGIN_CONF" = "yes" ; then
2099                         AC_MSG_WARN([
2100 --with-default-path=PATH has no effect on this system.
2101 Edit /etc/login.conf instead.])
2102                 elif test "x$withval" != "xno" ; then
2103                         user_path="$withval"
2104                         SERVER_PATH_MSG="$withval"
2105                 fi
2106         ],
2107         [ if test "$USES_LOGIN_CONF" = "yes" ; then
2108         AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
2109         else
2110         AC_TRY_RUN(
2111                 [
2112 /* find out what STDPATH is */
2113 #include <stdio.h>
2114 #ifdef HAVE_PATHS_H
2115 # include <paths.h>
2116 #endif
2117 #ifndef _PATH_STDPATH
2118 # ifdef _PATH_USERPATH  /* Irix */
2119 #  define _PATH_STDPATH _PATH_USERPATH
2120 # else
2121 #  define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
2122 # endif
2123 #endif
2124 #include <sys/types.h>
2125 #include <sys/stat.h>
2126 #include <fcntl.h>
2127 #define DATA "conftest.stdpath"
2128
2129 main()
2130 {
2131         FILE *fd;
2132         int rc;
2133
2134         fd = fopen(DATA,"w");
2135         if(fd == NULL)
2136                 exit(1);
2137
2138         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
2139                 exit(1);
2140
2141         exit(0);
2142 }
2143                 ], [ user_path=`cat conftest.stdpath` ],
2144                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
2145                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
2146         )
2147 # make sure $bindir is in USER_PATH so scp will work
2148                 t_bindir=`eval echo ${bindir}`
2149                 case $t_bindir in
2150                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
2151                 esac
2152                 case $t_bindir in
2153                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
2154                 esac
2155                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
2156                 if test $? -ne 0  ; then
2157                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
2158                         if test $? -ne 0  ; then
2159                                 user_path=$user_path:$t_bindir
2160                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
2161                         fi
2162                 fi
2163         fi ]
2164 )
2165 if test "$USES_LOGIN_CONF" != "yes" ; then
2166         AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
2167         AC_SUBST(user_path)
2168 fi
2169
2170 # Set superuser path separately to user path
2171 AC_ARG_WITH(superuser-path,
2172         [  --with-superuser-path=  Specify different path for super-user],
2173         [
2174                 if test "x$withval" != "xno" ; then
2175                         AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval")
2176                         superuser_path=$withval
2177                 fi
2178         ]
2179 )
2180
2181
2182 # Whether to force IPv4 by default (needed on broken glibc Linux)
2183 IPV4_HACK_MSG="no"
2184 AC_ARG_WITH(ipv4-default,
2185         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
2186         [
2187                 if test "x$withval" != "xno" ; then
2188                         AC_DEFINE(IPV4_DEFAULT)
2189                         IPV4_HACK_MSG="yes"
2190                 fi
2191         ]
2192 )
2193
2194 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
2195 IPV4_IN6_HACK_MSG="no"
2196 AC_ARG_WITH(4in6,
2197         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
2198         [
2199                 if test "x$withval" != "xno" ; then
2200                         AC_MSG_RESULT(yes)
2201                         AC_DEFINE(IPV4_IN_IPV6)
2202                         IPV4_IN6_HACK_MSG="yes"
2203                 else
2204                         AC_MSG_RESULT(no)
2205                 fi
2206         ],[
2207                 if test "x$inet6_default_4in6" = "xyes"; then
2208                         AC_MSG_RESULT([yes (default)])
2209                         AC_DEFINE(IPV4_IN_IPV6)
2210                         IPV4_IN6_HACK_MSG="yes"
2211                 else
2212                         AC_MSG_RESULT([no (default)])
2213                 fi
2214         ]
2215 )
2216
2217 # Whether to enable BSD auth support
2218 BSD_AUTH_MSG=no
2219 AC_ARG_WITH(bsd-auth,
2220         [  --with-bsd-auth         Enable BSD auth support],
2221         [
2222                 if test "x$withval" != "xno" ; then
2223                         AC_DEFINE(BSD_AUTH)
2224                         BSD_AUTH_MSG=yes
2225                 fi
2226         ]
2227 )
2228
2229 # Where to place sshd.pid
2230 piddir=/var/run
2231 # make sure the directory exists
2232 if test ! -d $piddir ; then
2233         piddir=`eval echo ${sysconfdir}`
2234         case $piddir in
2235                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
2236         esac
2237 fi
2238
2239 AC_ARG_WITH(pid-dir,
2240         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
2241         [
2242                 if test "x$withval" != "xno" ; then
2243                         piddir=$withval
2244                         if test ! -d $piddir ; then
2245                         AC_MSG_WARN([** no $piddir directory on this system **])
2246                         fi
2247                 fi
2248         ]
2249 )
2250
2251 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
2252 AC_SUBST(piddir)
2253
2254 dnl allow user to disable some login recording features
2255 AC_ARG_ENABLE(lastlog,
2256         [  --disable-lastlog       disable use of lastlog even if detected [no]],
2257         [ AC_DEFINE(DISABLE_LASTLOG) ]
2258 )
2259 AC_ARG_ENABLE(utmp,
2260         [  --disable-utmp          disable use of utmp even if detected [no]],
2261         [ AC_DEFINE(DISABLE_UTMP) ]
2262 )
2263 AC_ARG_ENABLE(utmpx,
2264         [  --disable-utmpx         disable use of utmpx even if detected [no]],
2265         [ AC_DEFINE(DISABLE_UTMPX) ]
2266 )
2267 AC_ARG_ENABLE(wtmp,
2268         [  --disable-wtmp          disable use of wtmp even if detected [no]],
2269         [ AC_DEFINE(DISABLE_WTMP) ]
2270 )
2271 AC_ARG_ENABLE(wtmpx,
2272         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
2273         [ AC_DEFINE(DISABLE_WTMPX) ]
2274 )
2275 AC_ARG_ENABLE(libutil,
2276         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
2277         [ AC_DEFINE(DISABLE_LOGIN) ]
2278 )
2279 AC_ARG_ENABLE(pututline,
2280         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
2281         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
2282 )
2283 AC_ARG_ENABLE(pututxline,
2284         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
2285         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
2286 )
2287 AC_ARG_WITH(lastlog,
2288   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
2289         [
2290                 if test "x$withval" = "xno" ; then
2291                         AC_DEFINE(DISABLE_LASTLOG)
2292                 else
2293                         conf_lastlog_location=$withval
2294                 fi
2295         ]
2296 )
2297
2298 dnl lastlog, [uw]tmpx? detection
2299 dnl  NOTE: set the paths in the platform section to avoid the
2300 dnl   need for command-line parameters
2301 dnl lastlog and [uw]tmp are subject to a file search if all else fails
2302
2303 dnl lastlog detection
2304 dnl  NOTE: the code itself will detect if lastlog is a directory
2305 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
2306 AC_TRY_COMPILE([
2307 #include <sys/types.h>
2308 #include <utmp.h>
2309 #ifdef HAVE_LASTLOG_H
2310 #  include <lastlog.h>
2311 #endif
2312 #ifdef HAVE_PATHS_H
2313 #  include <paths.h>
2314 #endif
2315 #ifdef HAVE_LOGIN_H
2316 # include <login.h>
2317 #endif
2318         ],
2319         [ char *lastlog = LASTLOG_FILE; ],
2320         [ AC_MSG_RESULT(yes) ],
2321         [
2322                 AC_MSG_RESULT(no)
2323                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
2324                 AC_TRY_COMPILE([
2325 #include <sys/types.h>
2326 #include <utmp.h>
2327 #ifdef HAVE_LASTLOG_H
2328 #  include <lastlog.h>
2329 #endif
2330 #ifdef HAVE_PATHS_H
2331 #  include <paths.h>
2332 #endif
2333                 ],
2334                 [ char *lastlog = _PATH_LASTLOG; ],
2335                 [ AC_MSG_RESULT(yes) ],
2336                 [
2337                         AC_MSG_RESULT(no)
2338                         system_lastlog_path=no
2339                 ])
2340         ]
2341 )
2342
2343 if test -z "$conf_lastlog_location"; then
2344         if test x"$system_lastlog_path" = x"no" ; then
2345                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
2346                                 if (test -d "$f" || test -f "$f") ; then
2347                                         conf_lastlog_location=$f
2348                                 fi
2349                 done
2350                 if test -z "$conf_lastlog_location"; then
2351                         AC_MSG_WARN([** Cannot find lastlog **])
2352                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
2353                 fi
2354         fi
2355 fi
2356
2357 if test -n "$conf_lastlog_location"; then
2358         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
2359 fi
2360
2361 dnl utmp detection
2362 AC_MSG_CHECKING([if your system defines UTMP_FILE])
2363 AC_TRY_COMPILE([
2364 #include <sys/types.h>
2365 #include <utmp.h>
2366 #ifdef HAVE_PATHS_H
2367 #  include <paths.h>
2368 #endif
2369         ],
2370         [ char *utmp = UTMP_FILE; ],
2371         [ AC_MSG_RESULT(yes) ],
2372         [ AC_MSG_RESULT(no)
2373           system_utmp_path=no ]
2374 )
2375 if test -z "$conf_utmp_location"; then
2376         if test x"$system_utmp_path" = x"no" ; then
2377                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
2378                         if test -f $f ; then
2379                                 conf_utmp_location=$f
2380                         fi
2381                 done
2382                 if test -z "$conf_utmp_location"; then
2383                         AC_DEFINE(DISABLE_UTMP)
2384                 fi
2385         fi
2386 fi
2387 if test -n "$conf_utmp_location"; then
2388         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
2389 fi
2390
2391 dnl wtmp detection
2392 AC_MSG_CHECKING([if your system defines WTMP_FILE])
2393 AC_TRY_COMPILE([
2394 #include <sys/types.h>
2395 #include <utmp.h>
2396 #ifdef HAVE_PATHS_H
2397 #  include <paths.h>
2398 #endif
2399         ],
2400         [ char *wtmp = WTMP_FILE; ],
2401         [ AC_MSG_RESULT(yes) ],
2402         [ AC_MSG_RESULT(no)
2403           system_wtmp_path=no ]
2404 )
2405 if test -z "$conf_wtmp_location"; then
2406         if test x"$system_wtmp_path" = x"no" ; then
2407                 for f in /usr/adm/wtmp /var/log/wtmp; do
2408                         if test -f $f ; then
2409                                 conf_wtmp_location=$f
2410                         fi
2411                 done
2412                 if test -z "$conf_wtmp_location"; then
2413                         AC_DEFINE(DISABLE_WTMP)
2414                 fi
2415         fi
2416 fi
2417 if test -n "$conf_wtmp_location"; then
2418         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
2419 fi
2420
2421
2422 dnl utmpx detection - I don't know any system so perverse as to require
2423 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
2424 dnl  there, though.
2425 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
2426 AC_TRY_COMPILE([
2427 #include <sys/types.h>
2428 #include <utmp.h>
2429 #ifdef HAVE_UTMPX_H
2430 #include <utmpx.h>
2431 #endif
2432 #ifdef HAVE_PATHS_H
2433 #  include <paths.h>
2434 #endif
2435         ],
2436         [ char *utmpx = UTMPX_FILE; ],
2437         [ AC_MSG_RESULT(yes) ],
2438         [ AC_MSG_RESULT(no)
2439           system_utmpx_path=no ]
2440 )
2441 if test -z "$conf_utmpx_location"; then
2442         if test x"$system_utmpx_path" = x"no" ; then
2443                 AC_DEFINE(DISABLE_UTMPX)
2444         fi
2445 else
2446         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
2447 fi
2448
2449 dnl wtmpx detection
2450 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
2451 AC_TRY_COMPILE([
2452 #include <sys/types.h>
2453 #include <utmp.h>
2454 #ifdef HAVE_UTMPX_H
2455 #include <utmpx.h>
2456 #endif
2457 #ifdef HAVE_PATHS_H
2458 #  include <paths.h>
2459 #endif
2460         ],
2461         [ char *wtmpx = WTMPX_FILE; ],
2462         [ AC_MSG_RESULT(yes) ],
2463         [ AC_MSG_RESULT(no)
2464           system_wtmpx_path=no ]
2465 )
2466 if test -z "$conf_wtmpx_location"; then
2467         if test x"$system_wtmpx_path" = x"no" ; then
2468                 AC_DEFINE(DISABLE_WTMPX)
2469         fi
2470 else
2471         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
2472 fi
2473
2474
2475 if test ! -z "$blibpath" ; then
2476         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
2477         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
2478 fi
2479
2480 dnl remove pam and dl because they are in $LIBPAM
2481 if test "$PAM_MSG" = yes ; then
2482         LIBS=`echo $LIBS | sed 's/-lpam //'`
2483 fi
2484 if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
2485         LIBS=`echo $LIBS | sed 's/-ldl //'`
2486 fi
2487
2488 AC_EXEEXT
2489 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
2490 AC_OUTPUT
2491
2492 # Print summary of options
2493
2494 # Someone please show me a better way :)
2495 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
2496 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
2497 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
2498 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
2499 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
2500 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
2501 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
2502 H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
2503 I=`eval echo ${user_path}` ; I=`eval echo ${I}`
2504 J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
2505
2506 echo ""
2507 echo "OpenSSH has been configured with the following options:"
2508 echo "                     User binaries: $B"
2509 echo "                   System binaries: $C"
2510 echo "               Configuration files: $D"
2511 echo "                   Askpass program: $E"
2512 echo "                      Manual pages: $F"
2513 echo "                          PID file: $G"
2514 echo "  Privilege separation chroot path: $H"
2515 if test "$USES_LOGIN_CONF" = "yes" ; then
2516 echo "   At runtime, sshd will use the path defined in /etc/login.conf"
2517 else
2518 echo "            sshd default user PATH: $I"
2519 fi
2520 if test ! -z "$superuser_path" ; then
2521 echo "          sshd superuser user PATH: $J"
2522 fi
2523 echo "                    Manpage format: $MANTYPE"
2524 echo "                       PAM support: ${PAM_MSG}"
2525 echo "                KerberosIV support: $KRB4_MSG"
2526 echo "                 KerberosV support: $KRB5_MSG"
2527 echo "                 Smartcard support: $SCARD_MSG"
2528 echo "                       AFS support: $AFS_MSG"
2529 echo "                     S/KEY support: $SKEY_MSG"
2530 echo "              TCP Wrappers support: $TCPW_MSG"
2531 echo "              MD5 password support: $MD5_MSG"
2532 echo "       IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
2533 echo "          Use IPv4 by default hack: $IPV4_HACK_MSG"
2534 echo "           Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
2535 echo "                  BSD Auth support: $BSD_AUTH_MSG"
2536 echo "              Random number source: $RAND_MSG"
2537 if test ! -z "$USE_RAND_HELPER" ; then
2538 echo "     ssh-rand-helper collects from: $RAND_HELPER_MSG"
2539 fi
2540
2541 echo ""
2542
2543 echo "              Host: ${host}"
2544 echo "          Compiler: ${CC}"
2545 echo "    Compiler flags: ${CFLAGS}"
2546 echo "Preprocessor flags: ${CPPFLAGS}"
2547 echo "      Linker flags: ${LDFLAGS}"
2548 echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
2549
2550 echo ""
2551
2552 if test "x$PAM_MSG" = "xyes" ; then
2553         echo "PAM is enabled. You may need to install a PAM control file "
2554         echo "for sshd, otherwise password authentication may fail. "
2555         echo "Example PAM control files can be found in the contrib/ "
2556         echo "subdirectory"
2557         echo ""
2558 fi
2559
2560 if test ! -z "$RAND_HELPER_CMDHASH" ; then
2561         echo "WARNING: you are using the builtin random number collection "
2562         echo "service. Please read WARNING.RNG and request that your OS "
2563         echo "vendor includes kernel-based random number collection in "
2564         echo "future versions of your OS."
2565         echo ""
2566 fi
2567