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="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 214         need_dash_r=1
 215         AC_DEFINE(PAM_SUN_CODEBASE)
 216         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 217         AC_DEFINE(LOGIN_NEEDS_TERM)
 218         AC_DEFINE(PAM_TTY_KLUDGE)
 219         # hardwire lastlog location (can't detect it on some versions)
 220         conf_lastlog_location="/var/adm/lastlog"
 221         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 222         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 223         if test "$sol2ver" -ge 8; then
 224                 AC_MSG_RESULT(yes)
 225                 AC_DEFINE(DISABLE_UTMP)
 226                 AC_DEFINE(DISABLE_WTMP)
 227         else
 228                 AC_MSG_RESULT(no)
 229         fi
 230         ;;
 231 *-*-sunos4*)
 232         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 233         AC_CHECK_FUNCS(getpwanam)
 234         AC_DEFINE(PAM_SUN_CODEBASE)
 235         conf_utmp_location=/etc/utmp
 236         conf_wtmp_location=/var/adm/wtmp
 237         conf_lastlog_location=/var/adm/lastlog
 238         AC_DEFINE(USE_PIPES)
 239         ;;
 240 *-ncr-sysv*)
 241         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 242         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 243         LIBS="$LIBS -lc89"
 244         AC_DEFINE(USE_PIPES)
 245         ;;
 246 *-sni-sysv*)
 247         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 248         # /usr/ucblib MUST NOT be searched on ReliantUNIX
 249         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 250         IPADDR_IN_DISPLAY=yes
 251         AC_DEFINE(USE_PIPES)
 252         AC_DEFINE(IP_TOS_IS_BROKEN)
 253         # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
 254         # Attention: always take care to bind libsocket and libnsl before libc,
 255         # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
 256         ;;
 257 *-*-sysv4.2*)
 258         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 259         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 260         AC_DEFINE(USE_PIPES)
 261         ;;
 262 *-*-sysv5*)
 263         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 264         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 265         AC_DEFINE(USE_PIPES)
 266         ;;
 267 *-*-sysv*)
 268         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 269         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 270         ;;
 271 *-*-sco3.2v4*)
 272         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 273         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 274         LIBS="$LIBS -los -lprot -lx -ltinfo -lm"
 275         RANLIB=true
 276         no_dev_ptmx=1
 277         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 278         AC_DEFINE(USE_PIPES)
 279         AC_DEFINE(HAVE_SECUREWARE)
 280         AC_DEFINE(DISABLE_SHADOW)
 281         AC_DEFINE(BROKEN_SAVED_UIDS)
 282         AC_CHECK_FUNCS(getluid setluid)
 283         MANTYPE=man
 284         do_sco3_extra_lib_check=yes
 285         ;;
 286 *-*-sco3.2v5*)
 287         if test -z "$GCC"; then
 288                 CFLAGS="$CFLAGS -belf"
 289         fi
 290         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 291         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 292         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 293         no_dev_ptmx=1
 294         AC_DEFINE(USE_PIPES)
 295         AC_DEFINE(HAVE_SECUREWARE)
 296         AC_DEFINE(DISABLE_SHADOW)
 297         AC_DEFINE(DISABLE_FD_PASSING)
 298         AC_CHECK_FUNCS(getluid setluid)
 299         MANTYPE=man
 300         ;;
 301 *-*-unicosmk*)
 302         AC_DEFINE(USE_PIPES)
 303         AC_DEFINE(DISABLE_FD_PASSING)
 304         LDFLAGS="$LDFLAGS"
 305         LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
 306         MANTYPE=cat
 307         ;;
 308 *-*-unicos*)
 309         AC_DEFINE(USE_PIPES)
 310         AC_DEFINE(DISABLE_FD_PASSING)
 311         AC_DEFINE(NO_SSH_LASTLOG)
 312         LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal"
 313         LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
 314         MANTYPE=cat
 315         ;;
 316 *-dec-osf*)
 317         AC_MSG_CHECKING(for Digital Unix SIA)
 318         no_osfsia=""
 319         AC_ARG_WITH(osfsia,
 320                 [  --with-osfsia           Enable Digital Unix SIA],
 321                 [
 322                         if test "x$withval" = "xno" ; then
 323                                 AC_MSG_RESULT(disabled)
 324                                 no_osfsia=1
 325                         fi
 326                 ],
 327         )
 328         if test -z "$no_osfsia" ; then
 329                 if test -f /etc/sia/matrix.conf; then
 330                         AC_MSG_RESULT(yes)
 331                         AC_DEFINE(HAVE_OSF_SIA)
 332                         AC_DEFINE(DISABLE_LOGIN)
 333                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 334                 else
 335                         AC_MSG_RESULT(no)
 336                 fi
 337         fi
 338         AC_DEFINE(DISABLE_FD_PASSING)
 339         ;;
 340
 341 *-*-nto-qnx)
 342         AC_DEFINE(USE_PIPES)
 343         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 344         AC_DEFINE(MISSING_NFDBITS)
 345         AC_DEFINE(MISSING_HOWMANY)
 346         AC_DEFINE(MISSING_FD_MASK)
 347         ;;
 348 esac
 349
 350 # Allow user to specify flags
 351 AC_ARG_WITH(cflags,
 352         [  --with-cflags           Specify additional flags to pass to compiler],
 353         [
 354                 if test "x$withval" != "xno" ; then
 355                         CFLAGS="$CFLAGS $withval"
 356                 fi
 357         ]
 358 )
 359 AC_ARG_WITH(cppflags,
 360         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 361         [
 362                 if test "x$withval" != "xno"; then
 363                         CPPFLAGS="$CPPFLAGS $withval"
 364                 fi
 365         ]
 366 )
 367 AC_ARG_WITH(ldflags,
 368         [  --with-ldflags          Specify additional flags to pass to linker],
 369         [
 370                 if test "x$withval" != "xno" ; then
 371                         LDFLAGS="$LDFLAGS $withval"
 372                 fi
 373         ]
 374 )
 375 AC_ARG_WITH(libs,
 376         [  --with-libs             Specify additional libraries to link with],
 377         [
 378                 if test "x$withval" != "xno" ; then
 379                         LIBS="$LIBS $withval"
 380                 fi
 381         ]
 382 )
 383
 384 # Checks for header files.
 385 AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \
 386         getopt.h glob.h ia.h lastlog.h libgen.h limits.h login.h \
 387         login_cap.h maillock.h netdb.h netgroup.h \
 388         netinet/in_systm.h paths.h pty.h readpassphrase.h \
 389         rpc/types.h security/pam_appl.h shadow.h stddef.h stdint.h \
 390         strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
 391         sys/mman.h sys/pstat.h sys/select.h sys/stat.h \
 392         sys/stropts.h sys/sysmacros.h sys/time.h sys/timers.h \
 393         sys/un.h time.h tmpdir.h ttyent.h usersec.h \
 394         util.h utime.h utmp.h utmpx.h)
 395
 396 # Checks for libraries.
 397 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
 398 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
 399
 400 dnl SCO OS3 needs this for libwrap
 401 if test "x$with_tcp_wrappers" != "xno" ; then
 402     if test "x$do_sco3_extra_lib_check" = "xyes" ; then
 403         AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 404     fi
 405 fi
 406
 407 AC_CHECK_FUNC(getspnam, ,
 408         AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
 409
 410 AC_ARG_WITH(rpath,
 411         [  --without-rpath         Disable auto-added -R linker paths],
 412         [
 413                 if test "x$withval" = "xno" ; then
 414                         need_dash_r=""
 415                 fi
 416                 if test "x$withval" = "xyes" ; then
 417                         need_dash_r=1
 418                 fi
 419         ]
 420 )
 421
 422 dnl zlib is required
 423 AC_ARG_WITH(zlib,
 424         [  --with-zlib=PATH        Use zlib in PATH],
 425         [
 426                 if test "x$withval" = "xno" ; then
 427                         AC_MSG_ERROR([*** zlib is required ***])
 428                 fi
 429                 if test -d "$withval/lib"; then
 430                         if test -n "${need_dash_r}"; then
 431                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 432                         else
 433                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 434                         fi
 435                 else
 436                         if test -n "${need_dash_r}"; then
 437                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 438                         else
 439                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 440                         fi
 441                 fi
 442                 if test -d "$withval/include"; then
 443                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 444                 else
 445                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 446                 fi
 447         ]
 448 )
 449
 450 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 451
 452 dnl UnixWare 2.x
 453 AC_CHECK_FUNC(strcasecmp,
 454         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 455 )
 456 AC_CHECK_FUNC(utimes,
 457         [], [ AC_CHECK_LIB(c89, utimes, [AC_DEFINE(HAVE_UTIMES)
 458                                         LIBS="$LIBS -lc89"]) ]
 459 )
 460
 461 dnl    Checks for libutil functions
 462 AC_CHECK_HEADERS(libutil.h)
 463 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN)])
 464 AC_CHECK_FUNCS(logout updwtmp logwtmp)
 465
 466 AC_FUNC_STRFTIME
 467
 468 # Check for ALTDIRFUNC glob() extension
 469 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 470 AC_EGREP_CPP(FOUNDIT,
 471         [
 472                 #include <glob.h>
 473                 #ifdef GLOB_ALTDIRFUNC
 474                 FOUNDIT
 475                 #endif
 476         ],
 477         [
 478                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 479                 AC_MSG_RESULT(yes)
 480         ],
 481         [
 482                 AC_MSG_RESULT(no)
 483         ]
 484 )
 485
 486 # Check for g.gl_matchc glob() extension
 487 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 488 AC_EGREP_CPP(FOUNDIT,
 489         [
 490                 #include <glob.h>
 491                 int main(void){glob_t g; g.gl_matchc = 1;}
 492         ],
 493         [
 494                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 495                 AC_MSG_RESULT(yes)
 496         ],
 497         [
 498                 AC_MSG_RESULT(no)
 499         ]
 500 )
 501
 502 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 503 AC_TRY_RUN(
 504         [
 505 #include <sys/types.h>
 506 #include <dirent.h>
 507 int main(void){struct dirent d;exit(sizeof(d.d_name)<=sizeof(char));}
 508         ],
 509         [AC_MSG_RESULT(yes)],
 510         [
 511                 AC_MSG_RESULT(no)
 512                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 513         ]
 514 )
 515
 516 # Check whether user wants S/Key support
 517 SKEY_MSG="no"
 518 AC_ARG_WITH(skey,
 519         [  --with-skey[[=PATH]]      Enable S/Key support
 520                             (optionally in PATH)],
 521         [
 522                 if test "x$withval" != "xno" ; then
 523
 524                         if test "x$withval" != "xyes" ; then
 525                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 526                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 527                         fi
 528
 529                         AC_DEFINE(SKEY)
 530                         LIBS="-lskey $LIBS"
 531                         SKEY_MSG="yes"
 532
 533                         AC_MSG_CHECKING([for s/key support])
 534                         AC_TRY_RUN(
 535                                 [
 536 #include <stdio.h>
 537 #include <skey.h>
 538 int main() { char *ff = skey_keyinfo(""); ff=""; exit(0); }
 539                                 ],
 540                                 [AC_MSG_RESULT(yes)],
 541                                 [
 542                                         AC_MSG_RESULT(no)
 543                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 544                                 ])
 545                 fi
 546         ]
 547 )
 548
 549 # Check whether user wants TCP wrappers support
 550 TCPW_MSG="no"
 551 AC_ARG_WITH(tcp-wrappers,
 552         [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
 553                             (optionally in PATH)],
 554         [
 555                 if test "x$withval" != "xno" ; then
 556                         saved_LIBS="$LIBS"
 557                         saved_LDFLAGS="$LDFLAGS"
 558                         saved_CPPFLAGS="$CPPFLAGS"
 559                         if test -n "${withval}" -a "${withval}" != "yes"; then
 560                                 if test -d "${withval}/lib"; then
 561                                         if test -n "${need_dash_r}"; then
 562                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 563                                         else
 564                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 565                                         fi
 566                                 else
 567                                         if test -n "${need_dash_r}"; then
 568                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 569                                         else
 570                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 571                                         fi
 572                                 fi
 573                                 if test -d "${withval}/include"; then
 574                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 575                                 else
 576                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 577                                 fi
 578                         fi
 579                         LIBWRAP="-lwrap"
 580                         LIBS="$LIBWRAP $LIBS"
 581                         AC_MSG_CHECKING(for libwrap)
 582                         AC_TRY_LINK(
 583                                 [
 584 #include <tcpd.h>
 585                                         int deny_severity = 0, allow_severity = 0;
 586                                 ],
 587                                 [hosts_access(0);],
 588                                 [
 589                                         AC_MSG_RESULT(yes)
 590                                         AC_DEFINE(LIBWRAP)
 591                                         AC_SUBST(LIBWRAP)
 592                                         TCPW_MSG="yes"
 593                                 ],
 594                                 [
 595                                         AC_MSG_ERROR([*** libwrap missing])
 596                                 ]
 597                         )
 598                         LIBS="$saved_LIBS"
 599                 fi
 600         ]
 601 )
 602
 603 dnl    Checks for library functions.
 604 AC_CHECK_FUNCS(arc4random b64_ntop bcopy bindresvport_sa \
 605         clock fchmod fchown freeaddrinfo futimes gai_strerror \
 606         getaddrinfo getcwd getgrouplist getnameinfo getopt getpeereid\
 607         getrlimit getrusage getttyent glob inet_aton inet_ntoa \
 608         inet_ntop innetgr login_getcapbool md5_crypt memmove mkdtemp \
 609         mmap ngetaddrinfo nsleep openpty ogetaddrinfo pstat readpassphrase \
 610         realpath recvmsg rresvport_af sendmsg setdtablesize setegid \
 611         setenv seteuid setgroups setlogin setproctitle setresgid setreuid \
 612         setrlimit setsid setpcred setvbuf sigaction sigvec snprintf \
 613         socketpair strerror strlcat strlcpy strmode strnvis sysconf tcgetpgrp \
 614         truncate utimes vhangup vsnprintf waitpid __b64_ntop _getpty)
 615
 616 AC_SEARCH_LIBS(nanosleep, rt posix4, AC_DEFINE(HAVE_NANOSLEEP))
 617
 618 dnl Make sure strsep prototype is defined before defining HAVE_STRSEP
 619 AC_CHECK_DECL(strsep, [AC_CHECK_FUNCS(strsep)])
 620
 621 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 622 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 623         AC_CHECK_LIB(gen, dirname,[
 624                 AC_CACHE_CHECK([for broken dirname],
 625                         ac_cv_have_broken_dirname, [
 626                         save_LIBS="$LIBS"
 627                         LIBS="$LIBS -lgen"
 628                         AC_TRY_RUN(
 629                                 [
 630 #include <libgen.h>
 631 #include <string.h>
 632
 633 int main(int argc, char **argv) {
 634     char *s, buf[32];
 635
 636     strncpy(buf,"/etc", 32);
 637     s = dirname(buf);
 638     if (!s || strncmp(s, "/", 32) != 0) {
 639         exit(1);
 640     } else {
 641         exit(0);
 642     }
 643 }
 644                                 ],
 645                                 [ ac_cv_have_broken_dirname="no" ],
 646                                 [ ac_cv_have_broken_dirname="yes" ]
 647                         )
 648                         LIBS="$save_LIBS"
 649                 ])
 650                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 651                         LIBS="$LIBS -lgen"
 652                         AC_DEFINE(HAVE_DIRNAME)
 653                         AC_CHECK_HEADERS(libgen.h)
 654                 fi
 655         ])
 656 ])
 657
 658 dnl    Checks for time functions
 659 AC_CHECK_FUNCS(gettimeofday time)
 660 dnl    Checks for utmp functions
 661 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 662 AC_CHECK_FUNCS(utmpname)
 663 dnl    Checks for utmpx functions
 664 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 665 AC_CHECK_FUNCS(setutxent utmpxname)
 666
 667 AC_CHECK_FUNC(daemon,
 668         [AC_DEFINE(HAVE_DAEMON)],
 669         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 670 )
 671
 672 AC_CHECK_FUNC(getpagesize,
 673         [AC_DEFINE(HAVE_GETPAGESIZE)],
 674         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 675 )
 676
 677 # Check for broken snprintf
 678 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 679         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 680         AC_TRY_RUN(
 681                 [
 682 #include <stdio.h>
 683 int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');}
 684                 ],
 685                 [AC_MSG_RESULT(yes)],
 686                 [
 687                         AC_MSG_RESULT(no)
 688                         AC_DEFINE(BROKEN_SNPRINTF)
 689                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 690                 ]
 691         )
 692 fi
 693
 694 dnl see whether mkstemp() requires XXXXXX
 695 if test "x$ac_cv_func_mkdtemp" = "xyes" ; then
 696 AC_MSG_CHECKING([for (overly) strict mkstemp])
 697 AC_TRY_RUN(
 698         [
 699 #include <stdlib.h>
 700 main() { char template[]="conftest.mkstemp-test";
 701 if (mkstemp(template) == -1)
 702         exit(1);
 703 unlink(template); exit(0);
 704 }
 705         ],
 706         [
 707                 AC_MSG_RESULT(no)
 708         ],
 709         [
 710                 AC_MSG_RESULT(yes)
 711                 AC_DEFINE(HAVE_STRICT_MKSTEMP)
 712         ],
 713         [
 714                 AC_MSG_RESULT(yes)
 715                 AC_DEFINE(HAVE_STRICT_MKSTEMP)
 716         ]
 717 )
 718 fi
 719
 720 AC_FUNC_GETPGRP
 721
 722 # Check for PAM libs
 723 PAM_MSG="no"
 724 AC_ARG_WITH(pam,
 725         [  --with-pam              Enable PAM support ],
 726         [
 727                 if test "x$withval" != "xno" ; then
 728                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 729                                 AC_MSG_ERROR([PAM headers not found])
 730                         fi
 731
 732                         AC_CHECK_LIB(dl, dlopen, , )
 733                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 734                         AC_CHECK_FUNCS(pam_getenvlist)
 735
 736                         disable_shadow=yes
 737                         PAM_MSG="yes"
 738
 739                         AC_DEFINE(USE_PAM)
 740                         if test $ac_cv_lib_dl_dlopen = yes; then
 741                                 LIBPAM="-lpam -ldl"
 742                         else
 743                                 LIBPAM="-lpam"
 744                         fi
 745                         AC_SUBST(LIBPAM)
 746                 fi
 747         ]
 748 )
 749
 750 # Check for older PAM
 751 if test "x$PAM_MSG" = "xyes" ; then
 752         # Check PAM strerror arguments (old PAM)
 753         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 754         AC_TRY_COMPILE(
 755                 [
 756 #include <stdlib.h>
 757 #include <security/pam_appl.h>
 758                 ],
 759                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 760                 [AC_MSG_RESULT(no)],
 761                 [
 762                         AC_DEFINE(HAVE_OLD_PAM)
 763                         AC_MSG_RESULT(yes)
 764                         PAM_MSG="yes (old library)"
 765                 ]
 766         )
 767 fi
 768
 769 # Some systems want crypt() from libcrypt, *not* the version in OpenSSL,
 770 # because the system crypt() is more featureful.
 771 if test "x$check_for_libcrypt_before" = "x1"; then
 772         AC_CHECK_LIB(crypt, crypt)
 773 fi
 774
 775 # Search for OpenSSL
 776 saved_CPPFLAGS="$CPPFLAGS"
 777 saved_LDFLAGS="$LDFLAGS"
 778 AC_ARG_WITH(ssl-dir,
 779         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 780         [
 781                 if test "x$withval" != "xno" ; then
 782                         if test -d "$withval/lib"; then
 783                                 if test -n "${need_dash_r}"; then
 784                                         LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 785                                 else
 786                                         LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 787                                 fi
 788                         else
 789                                 if test -n "${need_dash_r}"; then
 790                                         LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 791                                 else
 792                                         LDFLAGS="-L${withval} ${LDFLAGS}"
 793                                 fi
 794                         fi
 795                         if test -d "$withval/include"; then
 796                                 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 797                         else
 798                                 CPPFLAGS="-I${withval} ${CPPFLAGS}"
 799                         fi
 800                 fi
 801         ]
 802 )
 803 LIBS="$LIBS -lcrypto"
 804 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 805         [
 806                 dnl Check default openssl install dir
 807                 if test -n "${need_dash_r}"; then
 808                         LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
 809                 else
 810                         LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
 811                 fi
 812                 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
 813                 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 814                         [
 815                                 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
 816                         ]
 817                 )
 818         ]
 819 )
 820
 821 # Determine OpenSSL header version
 822 AC_MSG_CHECKING([OpenSSL header version])
 823 AC_TRY_RUN(
 824         [
 825 #include <stdio.h>
 826 #include <string.h>
 827 #include <openssl/opensslv.h>
 828 #define DATA "conftest.sslincver"
 829 int main(void) {
 830         FILE *fd;
 831         int rc;
 832
 833         fd = fopen(DATA,"w");
 834         if(fd == NULL)
 835                 exit(1);
 836
 837         if ((rc = fprintf(fd ,"%x (%s)\n", OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT)) <0)
 838                 exit(1);
 839
 840         exit(0);
 841 }
 842         ],
 843         [
 844                 ssl_header_ver=`cat conftest.sslincver`
 845                 AC_MSG_RESULT($ssl_header_ver)
 846         ],
 847         [
 848                 AC_MSG_RESULT(not found)
 849                 AC_MSG_ERROR(OpenSSL version header not found.)
 850         ]
 851 )
 852
 853 # Determine OpenSSL library version
 854 AC_MSG_CHECKING([OpenSSL library version])
 855 AC_TRY_RUN(
 856         [
 857 #include <stdio.h>
 858 #include <string.h>
 859 #include <openssl/opensslv.h>
 860 #include <openssl/crypto.h>
 861 #define DATA "conftest.ssllibver"
 862 int main(void) {
 863         FILE *fd;
 864         int rc;
 865
 866         fd = fopen(DATA,"w");
 867         if(fd == NULL)
 868                 exit(1);
 869
 870         if ((rc = fprintf(fd ,"%x (%s)\n", SSLeay(), SSLeay_version(SSLEAY_VERSION))) <0)
 871                 exit(1);
 872
 873         exit(0);
 874 }
 875         ],
 876         [
 877                 ssl_library_ver=`cat conftest.ssllibver`
 878                 AC_MSG_RESULT($ssl_library_ver)
 879         ],
 880         [
 881                 AC_MSG_RESULT(not found)
 882                 AC_MSG_ERROR(OpenSSL library not found.)
 883         ]
 884 )
 885
 886 # Sanity check OpenSSL headers
 887 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
 888 AC_TRY_RUN(
 889         [
 890 #include <string.h>
 891 #include <openssl/opensslv.h>
 892 int main(void) { exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
 893         ],
 894         [
 895                 AC_MSG_RESULT(yes)
 896         ],
 897         [
 898                 AC_MSG_RESULT(no)
 899                 AC_MSG_ERROR(Your OpenSSL headers do not match your library)
 900         ]
 901 )
 902
 903 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 904 # version in OpenSSL. Skip this for PAM
 905 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 906         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 907 fi
 908
 909
 910 ### Configure cryptographic random number support
 911
 912 # Check wheter OpenSSL seeds itself
 913 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
 914 AC_TRY_RUN(
 915         [
 916 #include <string.h>
 917 #include <openssl/rand.h>
 918 int main(void) { exit(RAND_status() == 1 ? 0 : 1); }
 919         ],
 920         [
 921                 OPENSSL_SEEDS_ITSELF=yes
 922                 AC_MSG_RESULT(yes)
 923         ],
 924         [
 925                 AC_MSG_RESULT(no)
 926                 # Default to use of the rand helper if OpenSSL doesn't
 927                 # seed itself
 928                 USE_RAND_HELPER=yes
 929         ]
 930 )
 931
 932
 933 # Do we want to force the use of the rand helper?
 934 AC_ARG_WITH(rand-helper,
 935         [  --with-rand-helper      Use subprocess to gather strong randomness ],
 936         [
 937                 if test "x$withval" = "xno" ; then
 938                         # Force use of OpenSSL's internal RNG, even if
 939                         # the previous test showed it to be unseeded.
 940                         if test -z "$OPENSSL_SEEDS_ITSELF" ; then
 941                                 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
 942                                 OPENSSL_SEEDS_ITSELF=yes
 943                                 USE_RAND_HELPER=""
 944                         fi
 945                 else
 946                         USE_RAND_HELPER=yes
 947                 fi
 948         ],
 949 )
 950
 951 # Which randomness source do we use?
 952 if test ! -z "$OPENSSL_SEEDS_ITSELF" -a -z "$USE_RAND_HELPER" ; then
 953         # OpenSSL only
 954         AC_DEFINE(OPENSSL_PRNG_ONLY)
 955         RAND_MSG="OpenSSL internal ONLY"
 956         INSTALL_SSH_RAND_HELPER=""
 957 elif test ! -z "$USE_RAND_HELPER" ; then
 958         # install rand helper
 959         RAND_MSG="ssh-rand-helper"
 960         INSTALL_SSH_RAND_HELPER="yes"
 961 fi
 962 AC_SUBST(INSTALL_SSH_RAND_HELPER)
 963
 964 ### Configuration of ssh-rand-helper
 965
 966 # PRNGD TCP socket
 967 AC_ARG_WITH(prngd-port,
 968         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD TCP localhost:PORT],
 969         [
 970                 case "$withval" in
 971                 no)
 972                         withval=""
 973                         ;;
 974                 [[0-9]]*)
 975                         ;;
 976                 *)
 977                         AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
 978                         ;;
 979                 esac
 980                 if test ! -z "$withval" ; then
 981                         PRNGD_PORT="$withval"
 982                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
 983                 fi
 984         ]
 985 )
 986
 987 # PRNGD Unix domain socket
 988 AC_ARG_WITH(prngd-socket,
 989         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
 990         [
 991                 case "$withval" in
 992                 yes)
 993                         withval="/var/run/egd-pool"
 994                         ;;
 995                 no)
 996                         withval=""
 997                         ;;
 998                 /*)
 999                         ;;
1000                 *)
1001                         AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
1002                         ;;
1003                 esac
1004
1005                 if test ! -z "$withval" ; then
1006                         if test ! -z "$PRNGD_PORT" ; then
1007                                 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
1008                         fi
1009                         if test ! -r "$withval" ; then
1010                                 AC_MSG_WARN(Entropy socket is not readable)
1011                         fi
1012                         PRNGD_SOCKET="$withval"
1013                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1014                 fi
1015         ],
1016         [
1017                 # Check for existing socket only if we don't have a random device already
1018                 if test "$USE_RAND_HELPER" = yes ; then
1019                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1020                         # Insert other locations here
1021                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1022                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1023                                         PRNGD_SOCKET="$sock"
1024                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1025                                         break;
1026                                 fi
1027                         done
1028                         if test ! -z "$PRNGD_SOCKET" ; then
1029                                 AC_MSG_RESULT($PRNGD_SOCKET)
1030                         else
1031                                 AC_MSG_RESULT(not found)
1032                         fi
1033                 fi
1034         ]
1035 )
1036
1037 # Change default command timeout for hashing entropy source
1038 entropy_timeout=200
1039 AC_ARG_WITH(entropy-timeout,
1040         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1041         [
1042                 if test "x$withval" != "xno" ; then
1043                         entropy_timeout=$withval
1044                 fi
1045         ]
1046 )
1047 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1048
1049 SSH_PRIVSEP_USER=sshd
1050 AC_ARG_WITH(privsep-user,
1051         [  --with-privsep-user=user Specify non-privileged user for privilege separation],
1052         [
1053                 if test -n "$withval"; then
1054                         SSH_PRIVSEP_USER=$withval
1055                 fi
1056         ]
1057 )
1058 AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$SSH_PRIVSEP_USER")
1059 AC_SUBST(SSH_PRIVSEP_USER)
1060
1061 # We do this little dance with the search path to insure
1062 # that programs that we select for use by installed programs
1063 # (which may be run by the super-user) come from trusted
1064 # locations before they come from the user's private area.
1065 # This should help avoid accidentally configuring some
1066 # random version of a program in someone's personal bin.
1067
1068 OPATH=$PATH
1069 PATH=/bin:/usr/bin
1070 test -h /bin 2> /dev/null && PATH=/usr/bin
1071 test -d /sbin && PATH=$PATH:/sbin
1072 test -d /usr/sbin && PATH=$PATH:/usr/sbin
1073 PATH=$PATH:/etc:$OPATH
1074
1075 # These programs are used by the command hashing source to gather entropy
1076 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1077 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1078 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1079 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1080 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
1081 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1082 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
1083 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1084 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1085 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1086 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1087 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1088 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1089 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1090 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1091 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1092 # restore PATH
1093 PATH=$OPATH
1094
1095 # Where does ssh-rand-helper get its randomness from?
1096 INSTALL_SSH_PRNG_CMDS=""
1097 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
1098         if test ! -z "$PRNGD_PORT" ; then
1099                 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
1100         elif test ! -z "$PRNGD_SOCKET" ; then
1101                 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
1102         else
1103                 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
1104                 RAND_HELPER_CMDHASH=yes
1105                 INSTALL_SSH_PRNG_CMDS="yes"
1106         fi
1107 fi
1108 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1109
1110
1111 # Cheap hack to ensure NEWS-OS libraries are arranged right.
1112 if test ! -z "$SONY" ; then
1113   LIBS="$LIBS -liberty";
1114 fi
1115
1116 # Checks for data types
1117 AC_CHECK_SIZEOF(char, 1)
1118 AC_CHECK_SIZEOF(short int, 2)
1119 AC_CHECK_SIZEOF(int, 4)
1120 AC_CHECK_SIZEOF(long int, 4)
1121 AC_CHECK_SIZEOF(long long int, 8)
1122
1123 # Sanity check long long for some platforms (AIX)
1124 if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
1125         ac_cv_sizeof_long_long_int=0
1126 fi
1127
1128 # More checks for data types
1129 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
1130         AC_TRY_COMPILE(
1131                 [ #include <sys/types.h> ],
1132                 [ u_int a; a = 1;],
1133                 [ ac_cv_have_u_int="yes" ],
1134                 [ ac_cv_have_u_int="no" ]
1135         )
1136 ])
1137 if test "x$ac_cv_have_u_int" = "xyes" ; then
1138         AC_DEFINE(HAVE_U_INT)
1139         have_u_int=1
1140 fi
1141
1142 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
1143         AC_TRY_COMPILE(
1144                 [ #include <sys/types.h> ],
1145                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1146                 [ ac_cv_have_intxx_t="yes" ],
1147                 [ ac_cv_have_intxx_t="no" ]
1148         )
1149 ])
1150 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
1151         AC_DEFINE(HAVE_INTXX_T)
1152         have_intxx_t=1
1153 fi
1154
1155 if (test -z "$have_intxx_t" && \
1156            test "x$ac_cv_header_stdint_h" = "xyes")
1157 then
1158     AC_MSG_CHECKING([for intXX_t types in stdint.h])
1159         AC_TRY_COMPILE(
1160                 [ #include <stdint.h> ],
1161                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1162                 [
1163                         AC_DEFINE(HAVE_INTXX_T)
1164                         AC_MSG_RESULT(yes)
1165                 ],
1166                 [ AC_MSG_RESULT(no) ]
1167         )
1168 fi
1169
1170 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
1171         AC_TRY_COMPILE(
1172                 [
1173 #include <sys/types.h>
1174 #ifdef HAVE_STDINT_H
1175 # include <stdint.h>
1176 #endif
1177 #include <sys/socket.h>
1178 #ifdef HAVE_SYS_BITYPES_H
1179 # include <sys/bitypes.h>
1180 #endif
1181                 ],
1182                 [ int64_t a; a = 1;],
1183                 [ ac_cv_have_int64_t="yes" ],
1184                 [ ac_cv_have_int64_t="no" ]
1185         )
1186 ])
1187 if test "x$ac_cv_have_int64_t" = "xyes" ; then
1188         AC_DEFINE(HAVE_INT64_T)
1189 fi
1190
1191 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
1192         AC_TRY_COMPILE(
1193                 [ #include <sys/types.h> ],
1194                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1195                 [ ac_cv_have_u_intxx_t="yes" ],
1196                 [ ac_cv_have_u_intxx_t="no" ]
1197         )
1198 ])
1199 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
1200         AC_DEFINE(HAVE_U_INTXX_T)
1201         have_u_intxx_t=1
1202 fi
1203
1204 if test -z "$have_u_intxx_t" ; then
1205     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
1206         AC_TRY_COMPILE(
1207                 [ #include <sys/socket.h> ],
1208                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1209                 [
1210                         AC_DEFINE(HAVE_U_INTXX_T)
1211                         AC_MSG_RESULT(yes)
1212                 ],
1213                 [ AC_MSG_RESULT(no) ]
1214         )
1215 fi
1216
1217 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
1218         AC_TRY_COMPILE(
1219                 [ #include <sys/types.h> ],
1220                 [ u_int64_t a; a = 1;],
1221                 [ ac_cv_have_u_int64_t="yes" ],
1222                 [ ac_cv_have_u_int64_t="no" ]
1223         )
1224 ])
1225 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
1226         AC_DEFINE(HAVE_U_INT64_T)
1227         have_u_int64_t=1
1228 fi
1229
1230 if test -z "$have_u_int64_t" ; then
1231     AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
1232         AC_TRY_COMPILE(
1233                 [ #include <sys/bitypes.h> ],
1234                 [ u_int64_t a; a = 1],
1235                 [
1236                         AC_DEFINE(HAVE_U_INT64_T)
1237                         AC_MSG_RESULT(yes)
1238                 ],
1239                 [ AC_MSG_RESULT(no) ]
1240         )
1241 fi
1242
1243 if test -z "$have_u_intxx_t" ; then
1244         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
1245                 AC_TRY_COMPILE(
1246                         [
1247 #include <sys/types.h>
1248                         ],
1249                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
1250                         [ ac_cv_have_uintxx_t="yes" ],
1251                         [ ac_cv_have_uintxx_t="no" ]
1252                 )
1253         ])
1254         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
1255                 AC_DEFINE(HAVE_UINTXX_T)
1256         fi
1257 fi
1258
1259 if test -z "$have_uintxx_t" ; then
1260     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
1261         AC_TRY_COMPILE(
1262                 [ #include <stdint.h> ],
1263                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
1264                 [
1265                         AC_DEFINE(HAVE_UINTXX_T)
1266                         AC_MSG_RESULT(yes)
1267                 ],
1268                 [ AC_MSG_RESULT(no) ]
1269         )
1270 fi
1271
1272 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
1273            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
1274 then
1275         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
1276         AC_TRY_COMPILE(
1277                 [
1278 #include <sys/bitypes.h>
1279                 ],
1280                 [
1281                         int8_t a; int16_t b; int32_t c;
1282                         u_int8_t e; u_int16_t f; u_int32_t g;
1283                         a = b = c = e = f = g = 1;
1284                 ],
1285                 [
1286                         AC_DEFINE(HAVE_U_INTXX_T)
1287                         AC_DEFINE(HAVE_INTXX_T)
1288                         AC_MSG_RESULT(yes)
1289                 ],
1290                 [AC_MSG_RESULT(no)]
1291         )
1292 fi
1293
1294
1295 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
1296         AC_TRY_COMPILE(
1297                 [
1298 #include <sys/types.h>
1299                 ],
1300                 [ u_char foo; foo = 125; ],
1301                 [ ac_cv_have_u_char="yes" ],
1302                 [ ac_cv_have_u_char="no" ]
1303         )
1304 ])
1305 if test "x$ac_cv_have_u_char" = "xyes" ; then
1306         AC_DEFINE(HAVE_U_CHAR)
1307 fi
1308
1309 TYPE_SOCKLEN_T
1310
1311 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
1312
1313 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
1314         AC_TRY_COMPILE(
1315                 [
1316 #include <sys/types.h>
1317                 ],
1318                 [ size_t foo; foo = 1235; ],
1319                 [ ac_cv_have_size_t="yes" ],
1320                 [ ac_cv_have_size_t="no" ]
1321         )
1322 ])
1323 if test "x$ac_cv_have_size_t" = "xyes" ; then
1324         AC_DEFINE(HAVE_SIZE_T)
1325 fi
1326
1327 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
1328         AC_TRY_COMPILE(
1329                 [
1330 #include <sys/types.h>
1331                 ],
1332                 [ ssize_t foo; foo = 1235; ],
1333                 [ ac_cv_have_ssize_t="yes" ],
1334                 [ ac_cv_have_ssize_t="no" ]
1335         )
1336 ])
1337 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
1338         AC_DEFINE(HAVE_SSIZE_T)
1339 fi
1340
1341 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
1342         AC_TRY_COMPILE(
1343                 [
1344 #include <time.h>
1345                 ],
1346                 [ clock_t foo; foo = 1235; ],
1347                 [ ac_cv_have_clock_t="yes" ],
1348                 [ ac_cv_have_clock_t="no" ]
1349         )
1350 ])
1351 if test "x$ac_cv_have_clock_t" = "xyes" ; then
1352         AC_DEFINE(HAVE_CLOCK_T)
1353 fi
1354
1355 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
1356         AC_TRY_COMPILE(
1357                 [
1358 #include <sys/types.h>
1359 #include <sys/socket.h>
1360                 ],
1361                 [ sa_family_t foo; foo = 1235; ],
1362                 [ ac_cv_have_sa_family_t="yes" ],
1363                 [ AC_TRY_COMPILE(
1364                   [
1365 #include <sys/types.h>
1366 #include <sys/socket.h>
1367 #include <netinet/in.h>
1368                 ],
1369                 [ sa_family_t foo; foo = 1235; ],
1370                 [ ac_cv_have_sa_family_t="yes" ],
1371
1372                 [ ac_cv_have_sa_family_t="no" ]
1373         )]
1374         )
1375 ])
1376 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
1377         AC_DEFINE(HAVE_SA_FAMILY_T)
1378 fi
1379
1380 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
1381         AC_TRY_COMPILE(
1382                 [
1383 #include <sys/types.h>
1384                 ],
1385                 [ pid_t foo; foo = 1235; ],
1386                 [ ac_cv_have_pid_t="yes" ],
1387                 [ ac_cv_have_pid_t="no" ]
1388         )
1389 ])
1390 if test "x$ac_cv_have_pid_t" = "xyes" ; then
1391         AC_DEFINE(HAVE_PID_T)
1392 fi
1393
1394 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
1395         AC_TRY_COMPILE(
1396                 [
1397 #include <sys/types.h>
1398                 ],
1399                 [ mode_t foo; foo = 1235; ],
1400                 [ ac_cv_have_mode_t="yes" ],
1401                 [ ac_cv_have_mode_t="no" ]
1402         )
1403 ])
1404 if test "x$ac_cv_have_mode_t" = "xyes" ; then
1405         AC_DEFINE(HAVE_MODE_T)
1406 fi
1407
1408
1409 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
1410         AC_TRY_COMPILE(
1411                 [
1412 #include <sys/types.h>
1413 #include <sys/socket.h>
1414                 ],
1415                 [ struct sockaddr_storage s; ],
1416                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
1417                 [ ac_cv_have_struct_sockaddr_storage="no" ]
1418         )
1419 ])
1420 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
1421         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
1422 fi
1423
1424 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
1425         AC_TRY_COMPILE(
1426                 [
1427 #include <sys/types.h>
1428 #include <netinet/in.h>
1429                 ],
1430                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1431                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1432                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1433         )
1434 ])
1435 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1436         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1437 fi
1438
1439 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1440         AC_TRY_COMPILE(
1441                 [
1442 #include <sys/types.h>
1443 #include <netinet/in.h>
1444                 ],
1445                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1446                 [ ac_cv_have_struct_in6_addr="yes" ],
1447                 [ ac_cv_have_struct_in6_addr="no" ]
1448         )
1449 ])
1450 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1451         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1452 fi
1453
1454 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1455         AC_TRY_COMPILE(
1456                 [
1457 #include <sys/types.h>
1458 #include <sys/socket.h>
1459 #include <netdb.h>
1460                 ],
1461                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1462                 [ ac_cv_have_struct_addrinfo="yes" ],
1463                 [ ac_cv_have_struct_addrinfo="no" ]
1464         )
1465 ])
1466 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1467         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1468 fi
1469
1470 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1471         AC_TRY_COMPILE(
1472                 [ #include <sys/time.h> ],
1473                 [ struct timeval tv; tv.tv_sec = 1;],
1474                 [ ac_cv_have_struct_timeval="yes" ],
1475                 [ ac_cv_have_struct_timeval="no" ]
1476         )
1477 ])
1478 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1479         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1480         have_struct_timeval=1
1481 fi
1482
1483 # If we don't have int64_t then we can't compile sftp-server.  So don't
1484 # even attempt to do it.
1485 if test "x$ac_cv_have_int64_t" = "xno" -a \
1486         "x$ac_cv_sizeof_long_int" != "x8" -a \
1487         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1488         NO_SFTP='#'
1489 else
1490 dnl test snprintf (broken on SCO w/gcc)
1491         AC_TRY_RUN(
1492                 [
1493 #include <stdio.h>
1494 #include <string.h>
1495 #ifdef HAVE_SNPRINTF
1496 main()
1497 {
1498         char buf[50];
1499         char expected_out[50];
1500         int mazsize = 50 ;
1501 #if (SIZEOF_LONG_INT == 8)
1502         long int num = 0x7fffffffffffffff;
1503 #else
1504         long long num = 0x7fffffffffffffffll;
1505 #endif
1506         strcpy(expected_out, "9223372036854775807");
1507         snprintf(buf, mazsize, "%lld", num);
1508         if(strcmp(buf, expected_out) != 0)
1509                 exit(1);
1510         exit(0);
1511 }
1512 #else
1513 main() { exit(0); }
1514 #endif
1515                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1516         )
1517 fi
1518 AC_SUBST(NO_SFTP)
1519
1520 dnl Checks for structure members
1521 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1522 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1523 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1524 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1525 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1526 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1527 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1528 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1529 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1530 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1531 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1532 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1533 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1534 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1535 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1536 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1537 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1538
1539 AC_CHECK_MEMBERS([struct stat.st_blksize])
1540
1541 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1542                 ac_cv_have_ss_family_in_struct_ss, [
1543         AC_TRY_COMPILE(
1544                 [
1545 #include <sys/types.h>
1546 #include <sys/socket.h>
1547                 ],
1548                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1549                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1550                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1551         )
1552 ])
1553 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1554         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1555 fi
1556
1557 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1558                 ac_cv_have___ss_family_in_struct_ss, [
1559         AC_TRY_COMPILE(
1560                 [
1561 #include <sys/types.h>
1562 #include <sys/socket.h>
1563                 ],
1564                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1565                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1566                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1567         )
1568 ])
1569 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1570         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1571 fi
1572
1573 AC_CACHE_CHECK([for pw_class field in struct passwd],
1574                 ac_cv_have_pw_class_in_struct_passwd, [
1575         AC_TRY_COMPILE(
1576                 [
1577 #include <pwd.h>
1578                 ],
1579                 [ struct passwd p; p.pw_class = 0; ],
1580                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1581                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1582         )
1583 ])
1584 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1585         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1586 fi
1587
1588 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1589                 ac_cv_have_pw_expire_in_struct_passwd, [
1590         AC_TRY_COMPILE(
1591                 [
1592 #include <pwd.h>
1593                 ],
1594                 [ struct passwd p; p.pw_expire = 0; ],
1595                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1596                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1597         )
1598 ])
1599 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1600         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1601 fi
1602
1603 AC_CACHE_CHECK([for pw_change field in struct passwd],
1604                 ac_cv_have_pw_change_in_struct_passwd, [
1605         AC_TRY_COMPILE(
1606                 [
1607 #include <pwd.h>
1608                 ],
1609                 [ struct passwd p; p.pw_change = 0; ],
1610                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1611                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1612         )
1613 ])
1614 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1615         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1616 fi
1617
1618 dnl make sure we're using the real structure members and not defines
1619 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
1620                 ac_cv_have_accrights_in_msghdr, [
1621         AC_TRY_RUN(
1622                 [
1623 #include <sys/types.h>
1624 #include <sys/socket.h>
1625 #include <sys/uio.h>
1626 int main() {
1627 #ifdef msg_accrights
1628 exit(1);
1629 #endif
1630 struct msghdr m;
1631 m.msg_accrights = 0;
1632 exit(0);
1633 }
1634                 ],
1635                 [ ac_cv_have_accrights_in_msghdr="yes" ],
1636                 [ ac_cv_have_accrights_in_msghdr="no" ]
1637         )
1638 ])
1639 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
1640         AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
1641 fi
1642
1643 AC_CACHE_CHECK([for msg_control field in struct msghdr],
1644                 ac_cv_have_control_in_msghdr, [
1645         AC_TRY_RUN(
1646                 [
1647 #include <sys/types.h>
1648 #include <sys/socket.h>
1649 #include <sys/uio.h>
1650 int main() {
1651 #ifdef msg_control
1652 exit(1);
1653 #endif
1654 struct msghdr m;
1655 m.msg_control = 0;
1656 exit(0);
1657 }
1658                 ],
1659                 [ ac_cv_have_control_in_msghdr="yes" ],
1660                 [ ac_cv_have_control_in_msghdr="no" ]
1661         )
1662 ])
1663 if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
1664         AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
1665 fi
1666
1667 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1668         AC_TRY_LINK([],
1669                 [ extern char *__progname; printf("%s", __progname); ],
1670                 [ ac_cv_libc_defines___progname="yes" ],
1671                 [ ac_cv_libc_defines___progname="no" ]
1672         )
1673 ])
1674 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1675         AC_DEFINE(HAVE___PROGNAME)
1676 fi
1677
1678 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
1679         AC_TRY_LINK([
1680 #include <stdio.h>
1681 ],
1682                 [ printf("%s", __FUNCTION__); ],
1683                 [ ac_cv_cc_implements___FUNCTION__="yes" ],
1684                 [ ac_cv_cc_implements___FUNCTION__="no" ]
1685         )
1686 ])
1687 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
1688         AC_DEFINE(HAVE___FUNCTION__)
1689 fi
1690
1691 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
1692         AC_TRY_LINK([
1693 #include <stdio.h>
1694 ],
1695                 [ printf("%s", __func__); ],
1696                 [ ac_cv_cc_implements___func__="yes" ],
1697                 [ ac_cv_cc_implements___func__="no" ]
1698         )
1699 ])
1700 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
1701         AC_DEFINE(HAVE___func__)
1702 fi
1703
1704 AC_CACHE_CHECK([whether getopt has optreset support],
1705                 ac_cv_have_getopt_optreset, [
1706         AC_TRY_LINK(
1707                 [
1708 #include <getopt.h>
1709                 ],
1710                 [ extern int optreset; optreset = 0; ],
1711                 [ ac_cv_have_getopt_optreset="yes" ],
1712                 [ ac_cv_have_getopt_optreset="no" ]
1713         )
1714 ])
1715 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
1716         AC_DEFINE(HAVE_GETOPT_OPTRESET)
1717 fi
1718
1719 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1720         AC_TRY_LINK([],
1721                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1722                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1723                 [ ac_cv_libc_defines_sys_errlist="no" ]
1724         )
1725 ])
1726 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1727         AC_DEFINE(HAVE_SYS_ERRLIST)
1728 fi
1729
1730
1731 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1732         AC_TRY_LINK([],
1733                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1734                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1735                 [ ac_cv_libc_defines_sys_nerr="no" ]
1736         )
1737 ])
1738 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1739         AC_DEFINE(HAVE_SYS_NERR)
1740 fi
1741
1742 SCARD_MSG="no"
1743
1744 # Check whether user wants sectok support
1745 AC_ARG_WITH(sectok,
1746         [  --with-sectok           Enable smartcard support using libsectok],
1747         [
1748                 if test "x$withval" != "xno" ; then
1749                         if test "x$withval" != "xyes" ; then
1750                                 CPPFLAGS="$CPPFLAGS -I${withval}"
1751                                 LDFLAGS="$LDFLAGS -L${withval}"
1752                                 if test ! -z "$need_dash_r" ; then
1753                                         LDFLAGS="$LDFLAGS -R${withval}"
1754                                 fi
1755                                 if test ! -z "$blibpath" ; then
1756                                         blibpath="$blibpath:${withval}"
1757                                 fi
1758                         fi
1759                         AC_CHECK_HEADERS(sectok.h)
1760                         if test "$ac_cv_header_sectok_h" != yes; then
1761                                 AC_MSG_ERROR(Can't find sectok.h)
1762                         fi
1763                         AC_CHECK_LIB(sectok, sectok_open)
1764                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
1765                                 AC_MSG_ERROR(Can't find libsectok)
1766                         fi
1767                         AC_DEFINE(SMARTCARD)
1768                         AC_DEFINE(USE_SECTOK)
1769                         SCARD_MSG="yes, using sectok"
1770                 fi
1771         ]
1772 )
1773
1774 # Check whether user wants OpenSC support
1775 AC_ARG_WITH(opensc,
1776         AC_HELP_STRING([--with-opensc=PFX],
1777                        [Enable smartcard support using OpenSC]),
1778         opensc_config_prefix="$withval", opensc_config_prefix="")
1779 if test x$opensc_config_prefix != x ; then
1780   OPENSC_CONFIG=$opensc_config_prefix/bin/opensc-config
1781   AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
1782   if test "$OPENSC_CONFIG" != "no"; then
1783     LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
1784     LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
1785     CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
1786     LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"
1787     AC_DEFINE(SMARTCARD)
1788     AC_DEFINE(USE_OPENSC)
1789     SCARD_MSG="yes, using OpenSC"
1790   fi
1791 fi
1792
1793 # Check whether user wants Kerberos 5 support
1794 KRB5_MSG="no"
1795 AC_ARG_WITH(kerberos5,
1796         [  --with-kerberos5=PATH   Enable Kerberos 5 support],
1797         [
1798                 if test "x$withval" != "xno" ; then
1799                         if test "x$withval" = "xyes" ; then
1800                                 KRB5ROOT="/usr/local"
1801                         else
1802                                 KRB5ROOT=${withval}
1803                         fi
1804                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
1805                         LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
1806                         AC_DEFINE(KRB5)
1807                         KRB5_MSG="yes"
1808                         AC_MSG_CHECKING(whether we are using Heimdal)
1809                         AC_TRY_COMPILE([ #include <krb5.h> ],
1810                                        [ char *tmp = heimdal_version; ],
1811                                        [ AC_MSG_RESULT(yes)
1812                                          AC_DEFINE(HEIMDAL)
1813                                          K5LIBS="-lkrb5 -ldes -lcom_err -lasn1 -lroken"
1814                                        ],
1815                                        [ AC_MSG_RESULT(no)
1816                                          K5LIBS="-lkrb5 -lk5crypto -lcom_err"
1817                                        ]
1818                         )
1819                         if test ! -z "$need_dash_r" ; then
1820                                 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
1821                         fi
1822                         if test ! -z "$blibpath" ; then
1823                                 blibpath="$blibpath:${KRB5ROOT}/lib"
1824                         fi
1825                         AC_CHECK_LIB(resolv, dn_expand, , )
1826
1827                         KRB5=yes
1828                 fi
1829         ]
1830 )
1831 # Check whether user wants Kerberos 4 support
1832 KRB4_MSG="no"
1833 AC_ARG_WITH(kerberos4,
1834         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1835         [
1836                 if test "x$withval" != "xno" ; then
1837                         if test "x$withval" != "xyes" ; then
1838                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1839                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1840                                 if test ! -z "$need_dash_r" ; then
1841                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1842                                 fi
1843                                 if test ! -z "$blibpath" ; then
1844                                         blibpath="$blibpath:${withval}/lib"
1845                                 fi
1846                         else
1847                                 if test -d /usr/include/kerberosIV ; then
1848                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1849                                 fi
1850                         fi
1851
1852                         AC_CHECK_HEADERS(krb.h)
1853                         if test "$ac_cv_header_krb_h" != yes; then
1854                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1855                         fi
1856                         AC_CHECK_LIB(krb, main)
1857                         if test "$ac_cv_lib_krb_main" != yes; then
1858                                 AC_CHECK_LIB(krb4, main)
1859                                 if test "$ac_cv_lib_krb4_main" != yes; then
1860                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
1861                                 else
1862                                         KLIBS="-lkrb4"
1863                                 fi
1864                         else
1865                                 KLIBS="-lkrb"
1866                         fi
1867                         AC_CHECK_LIB(des, des_cbc_encrypt)
1868                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
1869                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
1870                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
1871                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
1872                                 else
1873                                         KLIBS="-ldes425"
1874                                 fi
1875                         else
1876                                 KLIBS="-ldes"
1877                         fi
1878                         AC_CHECK_LIB(resolv, dn_expand, , )
1879                         KRB4=yes
1880                         KRB4_MSG="yes"
1881                         AC_DEFINE(KRB4)
1882                 fi
1883         ]
1884 )
1885
1886 # Check whether user wants AFS support
1887 AFS_MSG="no"
1888 AC_ARG_WITH(afs,
1889         [  --with-afs=PATH         Enable AFS support],
1890         [
1891                 if test "x$withval" != "xno" ; then
1892
1893                         if test "x$withval" != "xyes" ; then
1894                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1895                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1896                         fi
1897
1898                         if test -z "$KRB4" ; then
1899                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1900                         fi
1901
1902                         LIBS="-lkafs $LIBS"
1903                         if test ! -z "$AFS_LIBS" ; then
1904                                 LIBS="$LIBS $AFS_LIBS"
1905                         fi
1906                         AC_DEFINE(AFS)
1907                         AFS_MSG="yes"
1908                 fi
1909         ]
1910 )
1911 LIBS="$LIBS $KLIBS $K5LIBS"
1912
1913 # Looking for programs, paths and files
1914
1915 PRIVSEP_PATH=/var/empty
1916 AC_ARG_WITH(privsep-path,
1917         [  --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)],
1918         [
1919                 if test "x$withval" != "$no" ; then
1920                         PRIVSEP_PATH=$withval
1921                 fi
1922         ]
1923 )
1924 AC_SUBST(PRIVSEP_PATH)
1925
1926 AC_ARG_WITH(xauth,
1927         [  --with-xauth=PATH       Specify path to xauth program ],
1928         [
1929                 if test "x$withval" != "xno" ; then
1930                         xauth_path=$withval
1931                 fi
1932         ],
1933         [
1934                 TestPath="$PATH"
1935                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X/bin"
1936                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/bin/X11"
1937                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X11R6/bin"
1938                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/openwin/bin"
1939                 AC_PATH_PROG(xauth_path, xauth, , $TestPath)
1940                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1941                         xauth_path="/usr/openwin/bin/xauth"
1942                 fi
1943         ]
1944 )
1945
1946 STRIP_OPT=-s
1947 AC_ARG_ENABLE(strip,
1948         [  --disable-strip         Disable calling strip(1) on install],
1949         [
1950                 if test "x$enableval" = "xno" ; then
1951                         STRIP_OPT=
1952                 fi
1953         ]
1954 )
1955 AC_SUBST(STRIP_OPT)
1956
1957 if test -z "$xauth_path" ; then
1958         XAUTH_PATH="undefined"
1959         AC_SUBST(XAUTH_PATH)
1960 else
1961         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1962         XAUTH_PATH=$xauth_path
1963         AC_SUBST(XAUTH_PATH)
1964 fi
1965
1966 # Check for mail directory (last resort if we cannot get it from headers)
1967 if test ! -z "$MAIL" ; then
1968         maildir=`dirname $MAIL`
1969         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1970 fi
1971
1972 if test -z "$no_dev_ptmx" ; then
1973         if test "x$disable_ptmx_check" != "xyes" ; then
1974                 AC_CHECK_FILE("/dev/ptmx",
1975                         [
1976                                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1977                                 have_dev_ptmx=1
1978                         ]
1979                 )
1980         fi
1981 fi
1982 AC_CHECK_FILE("/dev/ptc",
1983         [
1984                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1985                 have_dev_ptc=1
1986         ]
1987 )
1988
1989 # Options from here on. Some of these are preset by platform above
1990 AC_ARG_WITH(mantype,
1991         [  --with-mantype=man|cat|doc  Set man page type],
1992         [
1993                 case "$withval" in
1994                 man|cat|doc)
1995                         MANTYPE=$withval
1996                         ;;
1997                 *)
1998                         AC_MSG_ERROR(invalid man type: $withval)
1999                         ;;
2000                 esac
2001         ]
2002 )
2003 if test -z "$MANTYPE"; then
2004         TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb"
2005         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, $TestPath)
2006         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
2007                 MANTYPE=doc
2008         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
2009                 MANTYPE=man
2010         else
2011                 MANTYPE=cat
2012         fi
2013 fi
2014 AC_SUBST(MANTYPE)
2015 if test "$MANTYPE" = "doc"; then
2016         mansubdir=man;
2017 else
2018         mansubdir=$MANTYPE;
2019 fi
2020 AC_SUBST(mansubdir)
2021
2022 # Check whether to enable MD5 passwords
2023 MD5_MSG="no"
2024 AC_ARG_WITH(md5-passwords,
2025         [  --with-md5-passwords    Enable use of MD5 passwords],
2026         [
2027                 if test "x$withval" != "xno" ; then
2028                         AC_DEFINE(HAVE_MD5_PASSWORDS)
2029                         MD5_MSG="yes"
2030                 fi
2031         ]
2032 )
2033
2034 # Whether to disable shadow password support
2035 AC_ARG_WITH(shadow,
2036         [  --without-shadow        Disable shadow password support],
2037         [
2038                 if test "x$withval" = "xno" ; then
2039                         AC_DEFINE(DISABLE_SHADOW)
2040                         disable_shadow=yes
2041                 fi
2042         ]
2043 )
2044
2045 if test -z "$disable_shadow" ; then
2046         AC_MSG_CHECKING([if the systems has expire shadow information])
2047         AC_TRY_COMPILE(
2048         [
2049 #include <sys/types.h>
2050 #include <shadow.h>
2051         struct spwd sp;
2052         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
2053         [ sp_expire_available=yes ], []
2054         )
2055
2056         if test "x$sp_expire_available" = "xyes" ; then
2057                 AC_MSG_RESULT(yes)
2058                 AC_DEFINE(HAS_SHADOW_EXPIRE)
2059         else
2060                 AC_MSG_RESULT(no)
2061         fi
2062 fi
2063
2064 # Use ip address instead of hostname in $DISPLAY
2065 if test ! -z "$IPADDR_IN_DISPLAY" ; then
2066         DISPLAY_HACK_MSG="yes"
2067         AC_DEFINE(IPADDR_IN_DISPLAY)
2068 else
2069         DISPLAY_HACK_MSG="no"
2070         AC_ARG_WITH(ipaddr-display,
2071                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
2072                 [
2073                         if test "x$withval" != "xno" ; then
2074                                 AC_DEFINE(IPADDR_IN_DISPLAY)
2075                                 DISPLAY_HACK_MSG="yes"
2076                         fi
2077                 ]
2078         )
2079 fi
2080
2081 dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
2082 if test $ac_cv_func_login_getcapbool = "yes" -a \
2083         $ac_cv_header_login_cap_h = "yes" ; then
2084         USES_LOGIN_CONF=yes
2085 fi
2086 # Whether to mess with the default path
2087 SERVER_PATH_MSG="(default)"
2088 AC_ARG_WITH(default-path,
2089         [  --with-default-path=    Specify default \$PATH environment for server],
2090         [
2091                 if test "$USES_LOGIN_CONF" = "yes" ; then
2092                         AC_MSG_WARN([
2093 --with-default-path=PATH has no effect on this system.
2094 Edit /etc/login.conf instead.])
2095                 elif test "x$withval" != "xno" ; then
2096                         user_path="$withval"
2097                         SERVER_PATH_MSG="$withval"
2098                 fi
2099         ],
2100         [ if test "$USES_LOGIN_CONF" = "yes" ; then
2101         AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
2102         else
2103         AC_TRY_RUN(
2104                 [
2105 /* find out what STDPATH is */
2106 #include <stdio.h>
2107 #ifdef HAVE_PATHS_H
2108 # include <paths.h>
2109 #endif
2110 #ifndef _PATH_STDPATH
2111 # ifdef _PATH_USERPATH  /* Irix */
2112 #  define _PATH_STDPATH _PATH_USERPATH
2113 # else
2114 #  define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
2115 # endif
2116 #endif
2117 #include <sys/types.h>
2118 #include <sys/stat.h>
2119 #include <fcntl.h>
2120 #define DATA "conftest.stdpath"
2121
2122 main()
2123 {
2124         FILE *fd;
2125         int rc;
2126
2127         fd = fopen(DATA,"w");
2128         if(fd == NULL)
2129                 exit(1);
2130
2131         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
2132                 exit(1);
2133
2134         exit(0);
2135 }
2136                 ], [ user_path=`cat conftest.stdpath` ],
2137                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
2138                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
2139         )
2140 # make sure $bindir is in USER_PATH so scp will work
2141                 t_bindir=`eval echo ${bindir}`
2142                 case $t_bindir in
2143                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
2144                 esac
2145                 case $t_bindir in
2146                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
2147                 esac
2148                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
2149                 if test $? -ne 0  ; then
2150                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
2151                         if test $? -ne 0  ; then
2152                                 user_path=$user_path:$t_bindir
2153                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
2154                         fi
2155                 fi
2156         fi ]
2157 )
2158 if test "$USES_LOGIN_CONF" != "yes" ; then
2159         AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
2160         AC_SUBST(user_path)
2161 fi
2162
2163 # Set superuser path separately to user path
2164 AC_ARG_WITH(superuser-path,
2165         [  --with-superuser-path=  Specify different path for super-user],
2166         [
2167                 if test "x$withval" != "xno" ; then
2168                         AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval")
2169                         superuser_path=$withval
2170                 fi
2171         ]
2172 )
2173
2174
2175 # Whether to force IPv4 by default (needed on broken glibc Linux)
2176 IPV4_HACK_MSG="no"
2177 AC_ARG_WITH(ipv4-default,
2178         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
2179         [
2180                 if test "x$withval" != "xno" ; then
2181                         AC_DEFINE(IPV4_DEFAULT)
2182                         IPV4_HACK_MSG="yes"
2183                 fi
2184         ]
2185 )
2186
2187 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
2188 IPV4_IN6_HACK_MSG="no"
2189 AC_ARG_WITH(4in6,
2190         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
2191         [
2192                 if test "x$withval" != "xno" ; then
2193                         AC_MSG_RESULT(yes)
2194                         AC_DEFINE(IPV4_IN_IPV6)
2195                         IPV4_IN6_HACK_MSG="yes"
2196                 else
2197                         AC_MSG_RESULT(no)
2198                 fi
2199         ],[
2200                 if test "x$inet6_default_4in6" = "xyes"; then
2201                         AC_MSG_RESULT([yes (default)])
2202                         AC_DEFINE(IPV4_IN_IPV6)
2203                         IPV4_IN6_HACK_MSG="yes"
2204                 else
2205                         AC_MSG_RESULT([no (default)])
2206                 fi
2207         ]
2208 )
2209
2210 # Whether to enable BSD auth support
2211 BSD_AUTH_MSG=no
2212 AC_ARG_WITH(bsd-auth,
2213         [  --with-bsd-auth         Enable BSD auth support],
2214         [
2215                 if test "x$withval" != "xno" ; then
2216                         AC_DEFINE(BSD_AUTH)
2217                         BSD_AUTH_MSG=yes
2218                 fi
2219         ]
2220 )
2221
2222 # Where to place sshd.pid
2223 piddir=/var/run
2224 # make sure the directory exists
2225 if test ! -d $piddir ; then
2226         piddir=`eval echo ${sysconfdir}`
2227         case $piddir in
2228                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
2229         esac
2230 fi
2231
2232 AC_ARG_WITH(pid-dir,
2233         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
2234         [
2235                 if test "x$withval" != "xno" ; then
2236                         piddir=$withval
2237                         if test ! -d $piddir ; then
2238                         AC_MSG_WARN([** no $piddir directory on this system **])
2239                         fi
2240                 fi
2241         ]
2242 )
2243
2244 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
2245 AC_SUBST(piddir)
2246
2247 dnl allow user to disable some login recording features
2248 AC_ARG_ENABLE(lastlog,
2249         [  --disable-lastlog       disable use of lastlog even if detected [no]],
2250         [ AC_DEFINE(DISABLE_LASTLOG) ]
2251 )
2252 AC_ARG_ENABLE(utmp,
2253         [  --disable-utmp          disable use of utmp even if detected [no]],
2254         [ AC_DEFINE(DISABLE_UTMP) ]
2255 )
2256 AC_ARG_ENABLE(utmpx,
2257         [  --disable-utmpx         disable use of utmpx even if detected [no]],
2258         [ AC_DEFINE(DISABLE_UTMPX) ]
2259 )
2260 AC_ARG_ENABLE(wtmp,
2261         [  --disable-wtmp          disable use of wtmp even if detected [no]],
2262         [ AC_DEFINE(DISABLE_WTMP) ]
2263 )
2264 AC_ARG_ENABLE(wtmpx,
2265         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
2266         [ AC_DEFINE(DISABLE_WTMPX) ]
2267 )
2268 AC_ARG_ENABLE(libutil,
2269         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
2270         [ AC_DEFINE(DISABLE_LOGIN) ]
2271 )
2272 AC_ARG_ENABLE(pututline,
2273         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
2274         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
2275 )
2276 AC_ARG_ENABLE(pututxline,
2277         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
2278         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
2279 )
2280 AC_ARG_WITH(lastlog,
2281   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
2282         [
2283                 if test "x$withval" = "xno" ; then
2284                         AC_DEFINE(DISABLE_LASTLOG)
2285                 else
2286                         conf_lastlog_location=$withval
2287                 fi
2288         ]
2289 )
2290
2291 dnl lastlog, [uw]tmpx? detection
2292 dnl  NOTE: set the paths in the platform section to avoid the
2293 dnl   need for command-line parameters
2294 dnl lastlog and [uw]tmp are subject to a file search if all else fails
2295
2296 dnl lastlog detection
2297 dnl  NOTE: the code itself will detect if lastlog is a directory
2298 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
2299 AC_TRY_COMPILE([
2300 #include <sys/types.h>
2301 #include <utmp.h>
2302 #ifdef HAVE_LASTLOG_H
2303 #  include <lastlog.h>
2304 #endif
2305 #ifdef HAVE_PATHS_H
2306 #  include <paths.h>
2307 #endif
2308 #ifdef HAVE_LOGIN_H
2309 # include <login.h>
2310 #endif
2311         ],
2312         [ char *lastlog = LASTLOG_FILE; ],
2313         [ AC_MSG_RESULT(yes) ],
2314         [
2315                 AC_MSG_RESULT(no)
2316                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
2317                 AC_TRY_COMPILE([
2318 #include <sys/types.h>
2319 #include <utmp.h>
2320 #ifdef HAVE_LASTLOG_H
2321 #  include <lastlog.h>
2322 #endif
2323 #ifdef HAVE_PATHS_H
2324 #  include <paths.h>
2325 #endif
2326                 ],
2327                 [ char *lastlog = _PATH_LASTLOG; ],
2328                 [ AC_MSG_RESULT(yes) ],
2329                 [
2330                         AC_MSG_RESULT(no)
2331                         system_lastlog_path=no
2332                 ])
2333         ]
2334 )
2335
2336 if test -z "$conf_lastlog_location"; then
2337         if test x"$system_lastlog_path" = x"no" ; then
2338                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
2339                                 if (test -d "$f" || test -f "$f") ; then
2340                                         conf_lastlog_location=$f
2341                                 fi
2342                 done
2343                 if test -z "$conf_lastlog_location"; then
2344                         AC_MSG_WARN([** Cannot find lastlog **])
2345                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
2346                 fi
2347         fi
2348 fi
2349
2350 if test -n "$conf_lastlog_location"; then
2351         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
2352 fi
2353
2354 dnl utmp detection
2355 AC_MSG_CHECKING([if your system defines UTMP_FILE])
2356 AC_TRY_COMPILE([
2357 #include <sys/types.h>
2358 #include <utmp.h>
2359 #ifdef HAVE_PATHS_H
2360 #  include <paths.h>
2361 #endif
2362         ],
2363         [ char *utmp = UTMP_FILE; ],
2364         [ AC_MSG_RESULT(yes) ],
2365         [ AC_MSG_RESULT(no)
2366           system_utmp_path=no ]
2367 )
2368 if test -z "$conf_utmp_location"; then
2369         if test x"$system_utmp_path" = x"no" ; then
2370                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
2371                         if test -f $f ; then
2372                                 conf_utmp_location=$f
2373                         fi
2374                 done
2375                 if test -z "$conf_utmp_location"; then
2376                         AC_DEFINE(DISABLE_UTMP)
2377                 fi
2378         fi
2379 fi
2380 if test -n "$conf_utmp_location"; then
2381         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
2382 fi
2383
2384 dnl wtmp detection
2385 AC_MSG_CHECKING([if your system defines WTMP_FILE])
2386 AC_TRY_COMPILE([
2387 #include <sys/types.h>
2388 #include <utmp.h>
2389 #ifdef HAVE_PATHS_H
2390 #  include <paths.h>
2391 #endif
2392         ],
2393         [ char *wtmp = WTMP_FILE; ],
2394         [ AC_MSG_RESULT(yes) ],
2395         [ AC_MSG_RESULT(no)
2396           system_wtmp_path=no ]
2397 )
2398 if test -z "$conf_wtmp_location"; then
2399         if test x"$system_wtmp_path" = x"no" ; then
2400                 for f in /usr/adm/wtmp /var/log/wtmp; do
2401                         if test -f $f ; then
2402                                 conf_wtmp_location=$f
2403                         fi
2404                 done
2405                 if test -z "$conf_wtmp_location"; then
2406                         AC_DEFINE(DISABLE_WTMP)
2407                 fi
2408         fi
2409 fi
2410 if test -n "$conf_wtmp_location"; then
2411         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
2412 fi
2413
2414
2415 dnl utmpx detection - I don't know any system so perverse as to require
2416 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
2417 dnl  there, though.
2418 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
2419 AC_TRY_COMPILE([
2420 #include <sys/types.h>
2421 #include <utmp.h>
2422 #ifdef HAVE_UTMPX_H
2423 #include <utmpx.h>
2424 #endif
2425 #ifdef HAVE_PATHS_H
2426 #  include <paths.h>
2427 #endif
2428         ],
2429         [ char *utmpx = UTMPX_FILE; ],
2430         [ AC_MSG_RESULT(yes) ],
2431         [ AC_MSG_RESULT(no)
2432           system_utmpx_path=no ]
2433 )
2434 if test -z "$conf_utmpx_location"; then
2435         if test x"$system_utmpx_path" = x"no" ; then
2436                 AC_DEFINE(DISABLE_UTMPX)
2437         fi
2438 else
2439         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
2440 fi
2441
2442 dnl wtmpx detection
2443 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
2444 AC_TRY_COMPILE([
2445 #include <sys/types.h>
2446 #include <utmp.h>
2447 #ifdef HAVE_UTMPX_H
2448 #include <utmpx.h>
2449 #endif
2450 #ifdef HAVE_PATHS_H
2451 #  include <paths.h>
2452 #endif
2453         ],
2454         [ char *wtmpx = WTMPX_FILE; ],
2455         [ AC_MSG_RESULT(yes) ],
2456         [ AC_MSG_RESULT(no)
2457           system_wtmpx_path=no ]
2458 )
2459 if test -z "$conf_wtmpx_location"; then
2460         if test x"$system_wtmpx_path" = x"no" ; then
2461                 AC_DEFINE(DISABLE_WTMPX)
2462         fi
2463 else
2464         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
2465 fi
2466
2467
2468 if test ! -z "$blibpath" ; then
2469         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
2470         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
2471 fi
2472
2473 dnl remove pam and dl because they are in $LIBPAM
2474 if test "$PAM_MSG" = yes ; then
2475         LIBS=`echo $LIBS | sed 's/-lpam //'`
2476 fi
2477 if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
2478         LIBS=`echo $LIBS | sed 's/-ldl //'`
2479 fi
2480
2481 AC_EXEEXT
2482 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
2483 AC_OUTPUT
2484
2485 # Print summary of options
2486
2487 # Someone please show me a better way :)
2488 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
2489 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
2490 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
2491 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
2492 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
2493 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
2494 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
2495 H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
2496 I=`eval echo ${user_path}` ; I=`eval echo ${I}`
2497 J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
2498
2499 echo ""
2500 echo "OpenSSH has been configured with the following options:"
2501 echo "                     User binaries: $B"
2502 echo "                   System binaries: $C"
2503 echo "               Configuration files: $D"
2504 echo "                   Askpass program: $E"
2505 echo "                      Manual pages: $F"
2506 echo "                          PID file: $G"
2507 echo "  Privilege separation chroot path: $H"
2508 if test "$USES_LOGIN_CONF" = "yes" ; then
2509 echo "   At runtime, sshd will use the path defined in /etc/login.conf"
2510 else
2511 echo "            sshd default user PATH: $I"
2512 fi
2513 if test ! -z "$superuser_path" ; then
2514 echo "          sshd superuser user PATH: $J"
2515 fi
2516 echo "                    Manpage format: $MANTYPE"
2517 echo "                       PAM support: ${PAM_MSG}"
2518 echo "                KerberosIV support: $KRB4_MSG"
2519 echo "                 KerberosV support: $KRB5_MSG"
2520 echo "                 Smartcard support: $SCARD_MSG"
2521 echo "                       AFS support: $AFS_MSG"
2522 echo "                     S/KEY support: $SKEY_MSG"
2523 echo "              TCP Wrappers support: $TCPW_MSG"
2524 echo "              MD5 password support: $MD5_MSG"
2525 echo "       IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
2526 echo "          Use IPv4 by default hack: $IPV4_HACK_MSG"
2527 echo "           Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
2528 echo "                  BSD Auth support: $BSD_AUTH_MSG"
2529 echo "              Random number source: $RAND_MSG"
2530 if test ! -z "$USE_RAND_HELPER" ; then
2531 echo "     ssh-rand-helper collects from: $RAND_HELPER_MSG"
2532 fi
2533
2534 echo ""
2535
2536 echo "              Host: ${host}"
2537 echo "          Compiler: ${CC}"
2538 echo "    Compiler flags: ${CFLAGS}"
2539 echo "Preprocessor flags: ${CPPFLAGS}"
2540 echo "      Linker flags: ${LDFLAGS}"
2541 echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
2542
2543 echo ""
2544
2545 if test "x$PAM_MSG" = "xyes" ; then
2546         echo "PAM is enabled. You may need to install a PAM control file "
2547         echo "for sshd, otherwise password authentication may fail. "
2548         echo "Example PAM control files can be found in the contrib/ "
2549         echo "subdirectory"
2550         echo ""
2551 fi
2552
2553 if test ! -z "$NO_SFTP"; then
2554         echo "sftp-server will be disabled.  Your compiler does not "
2555         echo "support 64bit integers."
2556         echo ""
2557 fi
2558
2559 if test ! -z "$RAND_HELPER_CMDHASH" ; then
2560         echo "WARNING: you are using the builtin random number collection "
2561         echo "service. Please read WARNING.RNG and request that your OS "
2562         echo "vendor includes kernel-based random number collection in "
2563         echo "future versions of your OS."
2564         echo ""
2565 fi
2566