openssh/configure.ac

   1 # $Id$
   2
   3 AC_INIT
   4 AC_CONFIG_SRCDIR([ssh.c])
   5
   6 AC_CONFIG_HEADER(config.h)
   7 AC_PROG_CC
   8 AC_CANONICAL_HOST
   9 AC_C_BIGENDIAN
  10
  11 # Checks for programs.
  12 AC_PROG_CPP
  13 AC_PROG_RANLIB
  14 AC_PROG_INSTALL
  15 AC_PATH_PROG(AR, ar)
  16 AC_PATH_PROGS(PERL, perl5 perl)
  17 AC_SUBST(PERL)
  18 AC_PATH_PROG(ENT, ent)
  19 AC_SUBST(ENT)
  20 AC_PATH_PROG(TEST_MINUS_S_SH, bash)
  21 AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
  22 AC_PATH_PROG(TEST_MINUS_S_SH, sh)
  23 AC_PATH_PROG(SH, sh)
  24
  25 # System features
  26 AC_SYS_LARGEFILE
  27
  28 if test -z "$AR" ; then
  29         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  30 fi
  31
  32 # Use LOGIN_PROGRAM from environment if possible
  33 if test ! -z "$LOGIN_PROGRAM" ; then
  34         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  35 else
  36         # Search for login
  37         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  38         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  39                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  40         fi
  41 fi
  42
  43 if test -z "$LD" ; then
  44         LD=$CC
  45 fi
  46 AC_SUBST(LD)
  47
  48 AC_C_INLINE
  49 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
  50         CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wno-uninitialized"
  51 fi
  52
  53 # Check for some target-specific stuff
  54 case "$host" in
  55 *-*-aix*)
  56         AFS_LIBS="-lld"
  57         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
  58         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  59         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  60                 AC_MSG_CHECKING([if linkage editor ($LD) accepts -blibpath])
  61                 saved_LDFLAGS="$LDFLAGS"
  62                 LDFLAGS="$LDFLAGS -blibpath:/usr/lib:/lib:/usr/local/lib"
  63                 AC_TRY_LINK([],
  64                         [],
  65                         [
  66                                 AC_MSG_RESULT(yes)
  67                                 blibpath="/usr/lib:/lib:/usr/local/lib"
  68                         ],
  69                         [ AC_MSG_RESULT(no) ]
  70                 )
  71                 LDFLAGS="$saved_LDFLAGS"
  72         fi
  73         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)],
  74                 [AC_CHECK_LIB(s,authenticate,
  75                         [ AC_DEFINE(WITH_AIXAUTHENTICATE)
  76                                 LIBS="$LIBS -ls"
  77                         ])
  78                 ])
  79         AC_DEFINE(BROKEN_GETADDRINFO)
  80         AC_DEFINE(BROKEN_REALPATH)
  81         dnl AIX handles lastlog as part of its login message
  82         AC_DEFINE(DISABLE_LASTLOG)
  83         AC_DEFINE(LOGIN_NEEDS_UTMPX)
  84         ;;
  85 *-*-cygwin*)
  86         LIBS="$LIBS /usr/lib/textmode.o"
  87         AC_DEFINE(HAVE_CYGWIN)
  88         AC_DEFINE(USE_PIPES)
  89         AC_DEFINE(DISABLE_SHADOW)
  90         AC_DEFINE(IPV4_DEFAULT)
  91         AC_DEFINE(IP_TOS_IS_BROKEN)
  92         AC_DEFINE(NO_X11_UNIX_SOCKETS)
  93         AC_DEFINE(NO_IPPORT_RESERVED_CONCEPT)
  94         AC_DEFINE(DISABLE_FD_PASSING)
  95         AC_DEFINE(SETGROUPS_NOOP)
  96         ;;
  97 *-*-dgux*)
  98         AC_DEFINE(IP_TOS_IS_BROKEN)
  99         ;;
 100 *-*-darwin*)
 101         AC_MSG_CHECKING(if we have working getaddrinfo)
 102         AC_TRY_RUN([#include <mach-o/dyld.h>
 103 main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
 104                 exit(0);
 105         else
 106                 exit(1);
 107 }], [AC_MSG_RESULT(working)],
 108         [AC_MSG_RESULT(buggy)
 109         AC_DEFINE(BROKEN_GETADDRINFO)],
 110         [AC_MSG_RESULT(assume it is working)])
 111         ;;
 112 *-*-hpux10.26)
 113         if test -z "$GCC"; then
 114                 CFLAGS="$CFLAGS -Ae"
 115         fi
 116         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 117         IPADDR_IN_DISPLAY=yes
 118         AC_DEFINE(HAVE_SECUREWARE)
 119         AC_DEFINE(USE_PIPES)
 120         AC_DEFINE(LOGIN_NO_ENDOPT)
 121         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 122         AC_DEFINE(DISABLE_SHADOW)
 123         AC_DEFINE(DISABLE_UTMP)
 124         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 125         LIBS="$LIBS -lsec -lsecpw"
 126         AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
 127         disable_ptmx_check=yes
 128         ;;
 129 *-*-hpux10*)
 130         if test -z "$GCC"; then
 131                 CFLAGS="$CFLAGS -Ae"
 132         fi
 133         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 134         IPADDR_IN_DISPLAY=yes
 135         AC_DEFINE(USE_PIPES)
 136         AC_DEFINE(LOGIN_NO_ENDOPT)
 137         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 138         AC_DEFINE(DISABLE_SHADOW)
 139         AC_DEFINE(DISABLE_UTMP)
 140         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 141         LIBS="$LIBS -lsec"
 142         AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
 143         ;;
 144 *-*-hpux11*)
 145         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 146         IPADDR_IN_DISPLAY=yes
 147         AC_DEFINE(PAM_SUN_CODEBASE)
 148         AC_DEFINE(USE_PIPES)
 149         AC_DEFINE(LOGIN_NO_ENDOPT)
 150         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 151         AC_DEFINE(DISABLE_SHADOW)
 152         AC_DEFINE(DISABLE_UTMP)
 153         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 154         LIBS="$LIBS -lsec"
 155         AC_CHECK_LIB(xnet, t_error, ,AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***]))
 156         ;;
 157 *-*-irix5*)
 158         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 159         LDFLAGS="$LDFLAGS"
 160         PATH="$PATH:/usr/etc"
 161         AC_DEFINE(BROKEN_INET_NTOA)
 162         AC_DEFINE(WITH_ABBREV_NO_TTY)
 163         ;;
 164 *-*-irix6*)
 165         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 166         LDFLAGS="$LDFLAGS"
 167         PATH="$PATH:/usr/etc"
 168         AC_DEFINE(WITH_IRIX_ARRAY)
 169         AC_DEFINE(WITH_IRIX_PROJECT)
 170         AC_DEFINE(WITH_IRIX_AUDIT)
 171         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 172         AC_DEFINE(BROKEN_INET_NTOA)
 173         AC_DEFINE(WITH_ABBREV_NO_TTY)
 174         ;;
 175 *-*-linux*)
 176         no_dev_ptmx=1
 177         check_for_libcrypt_later=1
 178         AC_DEFINE(DONT_TRY_OTHER_AF)
 179         AC_DEFINE(PAM_TTY_KLUDGE)
 180         inet6_default_4in6=yes
 181         ;;
 182 mips-sony-bsd|mips-sony-newsos4)
 183         AC_DEFINE(HAVE_NEWS4)
 184         SONY=1
 185         ;;
 186 *-*-netbsd*)
 187         check_for_libcrypt_before=1
 188         need_dash_r=1
 189         ;;
 190 *-*-freebsd*)
 191         check_for_libcrypt_later=1
 192         ;;
 193 *-next-*)
 194         conf_lastlog_location="/usr/adm/lastlog"
 195         conf_utmp_location=/etc/utmp
 196         conf_wtmp_location=/usr/adm/wtmp
 197         MAIL=/usr/spool/mail
 198         AC_DEFINE(HAVE_NEXT)
 199         AC_DEFINE(BROKEN_REALPATH)
 200         AC_DEFINE(USE_PIPES)
 201         AC_DEFINE(BROKEN_SAVED_UIDS)
 202         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 203         CFLAGS="$CFLAGS"
 204         ;;
 205 *-*-solaris*)
 206         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 207         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 208         need_dash_r=1
 209         AC_DEFINE(PAM_SUN_CODEBASE)
 210         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 211         AC_DEFINE(LOGIN_NEEDS_TERM)
 212         AC_DEFINE(PAM_TTY_KLUDGE)
 213         # hardwire lastlog location (can't detect it on some versions)
 214         conf_lastlog_location="/var/adm/lastlog"
 215         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 216         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 217         if test "$sol2ver" -ge 8; then
 218                 AC_MSG_RESULT(yes)
 219                 AC_DEFINE(DISABLE_UTMP)
 220                 AC_DEFINE(DISABLE_WTMP)
 221         else
 222                 AC_MSG_RESULT(no)
 223         fi
 224         ;;
 225 *-*-sunos4*)
 226         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 227         AC_CHECK_FUNCS(getpwanam)
 228         AC_DEFINE(PAM_SUN_CODEBASE)
 229         conf_utmp_location=/etc/utmp
 230         conf_wtmp_location=/var/adm/wtmp
 231         conf_lastlog_location=/var/adm/lastlog
 232         AC_DEFINE(USE_PIPES)
 233         ;;
 234 *-ncr-sysv*)
 235         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 236         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 237         LIBS="$LIBS -lc89"
 238         AC_DEFINE(USE_PIPES)
 239         ;;
 240 *-sni-sysv*)
 241         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 242         # /usr/ucblib MUST NOT be searched on ReliantUNIX
 243         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 244         IPADDR_IN_DISPLAY=yes
 245         AC_DEFINE(USE_PIPES)
 246         AC_DEFINE(IP_TOS_IS_BROKEN)
 247         # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
 248         # Attention: always take care to bind libsocket and libnsl before libc,
 249         # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
 250         ;;
 251 *-*-sysv4.2*)
 252         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 253         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 254         AC_DEFINE(USE_PIPES)
 255         ;;
 256 *-*-sysv5*)
 257         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 258         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 259         AC_DEFINE(USE_PIPES)
 260         ;;
 261 *-*-sysv*)
 262         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 263         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 264         ;;
 265 *-*-sco3.2v4*)
 266         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 267         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 268         LIBS="$LIBS -los -lprot -lx -ltinfo -lm"
 269         RANLIB=true
 270         no_dev_ptmx=1
 271         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 272         AC_DEFINE(USE_PIPES)
 273         AC_DEFINE(HAVE_SECUREWARE)
 274         AC_DEFINE(DISABLE_SHADOW)
 275         AC_DEFINE(BROKEN_SAVED_UIDS)
 276         AC_CHECK_FUNCS(getluid setluid)
 277         MANTYPE=man
 278         do_sco3_extra_lib_check=yes
 279         ;;
 280 *-*-sco3.2v5*)
 281         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 282         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 283         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 284         no_dev_ptmx=1
 285         AC_DEFINE(USE_PIPES)
 286         AC_DEFINE(HAVE_SECUREWARE)
 287         AC_DEFINE(DISABLE_SHADOW)
 288         AC_DEFINE(DISABLE_FD_PASSING)
 289         AC_CHECK_FUNCS(getluid setluid)
 290         MANTYPE=man
 291         ;;
 292 *-*-unicosmk*)
 293         no_libsocket=1
 294         no_libnsl=1
 295         AC_DEFINE(USE_PIPES)
 296         AC_DEFINE(DISABLE_FD_PASSING)
 297         LDFLAGS="$LDFLAGS"
 298         LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
 299         MANTYPE=cat
 300         ;;
 301 *-*-unicos*)
 302         no_libsocket=1
 303         no_libnsl=1
 304         AC_DEFINE(USE_PIPES)
 305         AC_DEFINE(DISABLE_FD_PASSING)
 306         AC_DEFINE(NO_SSH_LASTLOG)
 307         LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal"
 308         LIBS="$LIBS -lgen -lrsc -lshare -luex -lacm"
 309         MANTYPE=cat
 310         ;;
 311 *-dec-osf*)
 312         AC_MSG_CHECKING(for Digital Unix SIA)
 313         no_osfsia=""
 314         AC_ARG_WITH(osfsia,
 315                 [  --with-osfsia           Enable Digital Unix SIA],
 316                 [
 317                         if test "x$withval" = "xno" ; then
 318                                 AC_MSG_RESULT(disabled)
 319                                 no_osfsia=1
 320                         fi
 321                 ],
 322         )
 323         if test -z "$no_osfsia" ; then
 324                 if test -f /etc/sia/matrix.conf; then
 325                         AC_MSG_RESULT(yes)
 326                         AC_DEFINE(HAVE_OSF_SIA)
 327                         AC_DEFINE(DISABLE_LOGIN)
 328                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 329                 else
 330                         AC_MSG_RESULT(no)
 331                 fi
 332         fi
 333         ;;
 334
 335 *-*-nto-qnx)
 336         AC_DEFINE(USE_PIPES)
 337         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 338         AC_DEFINE(MISSING_NFDBITS)
 339         AC_DEFINE(MISSING_HOWMANY)
 340         AC_DEFINE(MISSING_FD_MASK)
 341         ;;
 342 esac
 343
 344 # Allow user to specify flags
 345 AC_ARG_WITH(cflags,
 346         [  --with-cflags           Specify additional flags to pass to compiler],
 347         [
 348                 if test "x$withval" != "xno" ; then
 349                         CFLAGS="$CFLAGS $withval"
 350                 fi
 351         ]
 352 )
 353 AC_ARG_WITH(cppflags,
 354         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 355         [
 356                 if test "x$withval" != "xno"; then
 357                         CPPFLAGS="$CPPFLAGS $withval"
 358                 fi
 359         ]
 360 )
 361 AC_ARG_WITH(ldflags,
 362         [  --with-ldflags          Specify additional flags to pass to linker],
 363         [
 364                 if test "x$withval" != "xno" ; then
 365                         LDFLAGS="$LDFLAGS $withval"
 366                 fi
 367         ]
 368 )
 369 AC_ARG_WITH(libs,
 370         [  --with-libs             Specify additional libraries to link with],
 371         [
 372                 if test "x$withval" != "xno" ; then
 373                         LIBS="$LIBS $withval"
 374                 fi
 375         ]
 376 )
 377
 378 # Checks for header files.
 379 AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \
 380         getopt.h glob.h ia.h lastlog.h limits.h login.h \
 381         login_cap.h maillock.h netdb.h netgroup.h \
 382         netinet/in_systm.h paths.h pty.h readpassphrase.h \
 383         rpc/types.h security/pam_appl.h shadow.h stddef.h stdint.h \
 384         strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
 385         sys/mman.h sys/select.h sys/stat.h \
 386         sys/stropts.h sys/sysmacros.h sys/time.h \
 387         sys/un.h time.h tmpdir.h ttyent.h usersec.h \
 388         util.h utime.h utmp.h utmpx.h)
 389
 390 # Checks for libraries.
 391 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
 392 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
 393
 394 dnl SCO OS3 needs this for libwrap
 395 if test "x$with_tcp_wrappers" != "xno" ; then
 396     if test "x$do_sco3_extra_lib_check" = "xyes" ; then
 397         AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 398     fi
 399 fi
 400
 401 AC_CHECK_FUNC(getspnam, ,
 402         AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
 403
 404 AC_ARG_WITH(rpath,
 405         [  --without-rpath         Disable auto-added -R linker paths],
 406         [
 407                 if test "x$withval" = "xno" ; then
 408                         need_dash_r=""
 409                 fi
 410                 if test "x$withval" = "xyes" ; then
 411                         need_dash_r=1
 412                 fi
 413         ]
 414 )
 415
 416 dnl zlib is required
 417 AC_ARG_WITH(zlib,
 418         [  --with-zlib=PATH        Use zlib in PATH],
 419         [
 420                 if test "x$withval" = "xno" ; then
 421                         AC_MSG_ERROR([*** zlib is required ***])
 422                 fi
 423                 if test -d "$withval/lib"; then
 424                         if test -n "${need_dash_r}"; then
 425                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 426                         else
 427                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 428                         fi
 429                 else
 430                         if test -n "${need_dash_r}"; then
 431                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 432                         else
 433                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 434                         fi
 435                 fi
 436                 if test -d "$withval/include"; then
 437                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 438                 else
 439                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 440                 fi
 441         ]
 442 )
 443
 444 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 445
 446 dnl UnixWare 2.x
 447 AC_CHECK_FUNC(strcasecmp,
 448         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 449 )
 450 AC_CHECK_FUNC(utimes,
 451         [], [ AC_CHECK_LIB(c89, utimes, [AC_DEFINE(HAVE_UTIMES)
 452                                         LIBS="$LIBS -lc89"]) ]
 453 )
 454
 455 dnl    Checks for libutil functions
 456 AC_CHECK_HEADERS(libutil.h)
 457 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN)])
 458 AC_CHECK_FUNCS(logout updwtmp logwtmp)
 459
 460 AC_FUNC_STRFTIME
 461
 462 # Check for ALTDIRFUNC glob() extension
 463 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 464 AC_EGREP_CPP(FOUNDIT,
 465         [
 466                 #include <glob.h>
 467                 #ifdef GLOB_ALTDIRFUNC
 468                 FOUNDIT
 469                 #endif
 470         ],
 471         [
 472                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 473                 AC_MSG_RESULT(yes)
 474         ],
 475         [
 476                 AC_MSG_RESULT(no)
 477         ]
 478 )
 479
 480 # Check for g.gl_matchc glob() extension
 481 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 482 AC_EGREP_CPP(FOUNDIT,
 483         [
 484                 #include <glob.h>
 485                 int main(void){glob_t g; g.gl_matchc = 1;}
 486         ],
 487         [
 488                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 489                 AC_MSG_RESULT(yes)
 490         ],
 491         [
 492                 AC_MSG_RESULT(no)
 493         ]
 494 )
 495
 496 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 497 AC_TRY_RUN(
 498         [
 499 #include <sys/types.h>
 500 #include <dirent.h>
 501 int main(void){struct dirent d;exit(sizeof(d.d_name)<=sizeof(char));}
 502         ],
 503         [AC_MSG_RESULT(yes)],
 504         [
 505                 AC_MSG_RESULT(no)
 506                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 507         ]
 508 )
 509
 510 # Check whether the user wants GSSAPI mechglue support
 511 AC_ARG_WITH(mechglue,
 512         [  --with-mechglue=PATH    Build with GSSAPI mechglue library],
 513         [
 514                 AC_MSG_CHECKING(for mechglue library)
 515
 516                 if test -e ${withval}/libgssapi.a ; then
 517                     mechglue_lib=${withval}/libgssapi.a
 518                 elif test -e ${withval}/lib/libgssapi.a ; then
 519                     mechglue_lib=${withval}/lib/libgssapi.a
 520                 else
 521                     AC_MSG_ERROR("Can't find libgssapi in ${withval}");
 522                 fi
 523                 LIBS="$LIBS ${mechglue_lib}"
 524                 AC_MSG_RESULT(${mechglue_lib})
 525
 526 #               if test -e ${withval}/gssapi.h ; then
 527 #                   CPPFLAGS="$CPPFLAGS -I${withval}"
 528 #               elif test -e ${withval}/include/gssapi.h ; then
 529 #                   CPPFLAGS="$CPPFLAGS -I${withval}/include"
 530 #               else
 531 #                   AC_MSG_ERROR("Can't find gssapi.h in ${withval}");
 532 #               fi
 533
 534                 AC_CHECK_LIB(dl, dlopen, , )
 535                 if test $ac_cv_lib_dl_dlopen = yes; then
 536                    LDFLAGS="$LDFLAGS -ldl -Wl,-Bsymbolic"
 537                 fi
 538
 539                 AC_DEFINE(GSSAPI)
 540                 AC_DEFINE(MECHGLUE)
 541                 GSSAPI="mechglue"
 542
 543         ]
 544 )
 545
 546
 547 # Check whether the user wants GSI (Globus) support
 548 gsi_path="no"
 549 AC_ARG_WITH(gsi,
 550         [  --with-gsi=PATH         Enable GSI/Globus authentication support],
 551         [
 552                 gsi_path="$withval"
 553         ]
 554 )
 555
 556 AC_ARG_WITH(globus,
 557         [  --with-globus=PATH      Enable GSI/Globus authentication support],
 558         [
 559                 gsi_path="$withval"
 560         ]
 561 )
 562
 563 # Check whether the user has a Globus flavor type
 564 globus_flavor_type="no"
 565 AC_ARG_WITH(globus-flavor,
 566         [  --with-globus-flavor=TYPE         Describe Globus flavor type (ex: gcc32dbg, etc.)],
 567         [
 568                 globus_flavor_type="$withval"
 569         ]
 570 )
 571
 572 if test "x$gsi_path" != "xno" ; then
 573         # Globus GSSAPI configuration
 574         AC_DEFINE(GSI)
 575
 576         if test "$GSSAPI" -a "$GSSAPI" != "mechglue"; then
 577                 AC_MSG_ERROR([Previously configured GSSAPI library conflicts with Globus/GSI.])
 578         fi
 579         if test -z "$GSSAPI"; then
 580                 AC_DEFINE(GSSAPI)
 581                 GSSAPI="GSI"
 582         fi
 583
 584         # Find GLOBUS/GSI installation Directory
 585
 586         AC_MSG_CHECKING(for Globus installation)
 587         globus_dev_dir=$gsi_path
 588         if test "x$globus_dev_dir" = "xyes" ; then
 589                 AC_MSG_ERROR(Cannot find Globus installation -- a path must be specified!)
 590         fi
 591         AC_MSG_RESULT($globus_dev_dir)
 592
 593         # Find GLOBUS/GSI flavor Directory
 594
 595         AC_MSG_CHECKING(for Globus flavor)
 596         if test "x$globus_flavor_type" = "xno" ; then
 597                 AC_MSG_ERROR(No Globus flavor type specified)
 598         elif test "x$globus_flavor_type" = "xyes" ; then
 599                 AC_MSG_ERROR(No Globus flavor type specified)
 600         else
 601                 GLOBUS_FLAVOR_TYPE_INCL_DIR="${globus_dev_dir}/include/${globus_flavor_type}"
 602                 if test ! -d "$GLOBUS_FLAVOR_TYPE_INCL_DIR" ; then
 603                         AC_MSG_ERROR(Cannot find Globus flavor-specific include directory: ${GLOBUS_FLAVOR_TYPE_INCL_DIR})
 604                 fi
 605                 GSI_CPPFLAGS="-I${GLOBUS_FLAVOR_TYPE_INCL_DIR}"
 606         fi
 607         AC_MSG_RESULT($globus_flavor_type)
 608
 609         # Build possible libraries off of the flavor name
 610
 611         libglobus_gss_assist="${gsi_path}/lib/libglobus_gss_assist_${globus_flavor_type}.a"
 612         libglobus_gssapi_gsi="${gsi_path}/lib/libglobus_gssapi_gsi_${globus_flavor_type}.a"
 613
 614         # Test that the base gss_assist library is present
 615
 616         if test -r ${libglobus_gss_assist} ; then
 617                 LIBS="$LIBS ${libglobus_gss_assist}"
 618         else
 619                 AC_MSG_ERROR([*** libglobus_gss_assist missing])
 620         fi
 621
 622         AC_MSG_CHECKING(for libglobus_gss_assist)
 623         AC_TRY_LINK(
 624                 [],
 625                 [],
 626                 [
 627                         AC_MSG_RESULT(yes)
 628                 ],
 629                 [
 630                         AC_MSG_ERROR([*** libglobus_gss_assist missing])
 631                 ]
 632         )
 633
 634         # If we aren't using mechglue, test that gssapi_gsi is present
 635
 636         if test "$GSSAPI" != "mechglue"; then
 637                 if test -r ${libglobus_gssapi_gsi} ; then
 638                         LIBS="$LIBS ${libglobus_gssapi_gsi}"
 639                 else
 640                         AC_MSG_ERROR([*** libglobus_gssapi_gsi missing])
 641                 fi
 642         fi
 643
 644         AC_MSG_CHECKING(for libglobus_gssapi_gsi)
 645         AC_TRY_LINK(
 646                 [],
 647                 [],
 648                 [
 649                         AC_MSG_RESULT(yes)
 650                 ],
 651                 [
 652                         AC_MSG_ERROR([*** libglobus_gssapi_gsi missing])
 653                 ]
 654         )
 655
 656         CPPFLAGS="$CPPFLAGS $GSI_CPPFLAGS"
 657 fi
 658 # End Globus/GSI section
 659
 660 # Check whether user wants S/Key support
 661 SKEY_MSG="no"
 662 AC_ARG_WITH(skey,
 663         [  --with-skey[[=PATH]]      Enable S/Key support
 664                             (optionally in PATH)],
 665         [
 666                 if test "x$withval" != "xno" ; then
 667
 668                         if test "x$withval" != "xyes" ; then
 669                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 670                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 671                         fi
 672
 673                         AC_DEFINE(SKEY)
 674                         LIBS="-lskey $LIBS"
 675                         SKEY_MSG="yes"
 676
 677                         AC_MSG_CHECKING([for s/key support])
 678                         AC_TRY_RUN(
 679                                 [
 680 #include <stdio.h>
 681 #include <skey.h>
 682 int main() { char *ff = skey_keyinfo(""); ff=""; exit(0); }
 683                                 ],
 684                                 [AC_MSG_RESULT(yes)],
 685                                 [
 686                                         AC_MSG_RESULT(no)
 687                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 688                                 ])
 689                 fi
 690         ]
 691 )
 692
 693 # Check whether user wants TCP wrappers support
 694 TCPW_MSG="no"
 695 AC_ARG_WITH(tcp-wrappers,
 696         [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
 697                             (optionally in PATH)],
 698         [
 699                 if test "x$withval" != "xno" ; then
 700                         saved_LIBS="$LIBS"
 701                         saved_LDFLAGS="$LDFLAGS"
 702                         saved_CPPFLAGS="$CPPFLAGS"
 703                         if test -n "${withval}" -a "${withval}" != "yes"; then
 704                                 if test -d "${withval}/lib"; then
 705                                         if test -n "${need_dash_r}"; then
 706                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 707                                         else
 708                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 709                                         fi
 710                                 else
 711                                         if test -n "${need_dash_r}"; then
 712                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 713                                         else
 714                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 715                                         fi
 716                                 fi
 717                                 if test -d "${withval}/include"; then
 718                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 719                                 else
 720                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 721                                 fi
 722                         fi
 723                         LIBWRAP="-lwrap"
 724                         LIBS="$LIBWRAP $LIBS"
 725                         AC_MSG_CHECKING(for libwrap)
 726                         AC_TRY_LINK(
 727                                 [
 728 #include <tcpd.h>
 729                                         int deny_severity = 0, allow_severity = 0;
 730                                 ],
 731                                 [hosts_access(0);],
 732                                 [
 733                                         AC_MSG_RESULT(yes)
 734                                         AC_DEFINE(LIBWRAP)
 735                                         AC_SUBST(LIBWRAP)
 736                                         TCPW_MSG="yes"
 737                                 ],
 738                                 [
 739                                         AC_MSG_ERROR([*** libwrap missing])
 740                                 ]
 741                         )
 742                         LIBS="$saved_LIBS"
 743                 fi
 744         ]
 745 )
 746
 747 dnl    Checks for library functions.
 748 AC_CHECK_FUNCS(arc4random b64_ntop bcopy bindresvport_sa \
 749         clock fchmod fchown freeaddrinfo futimes gai_strerror \
 750         getaddrinfo getcwd getgrouplist getnameinfo getopt getpeereid\
 751         getrlimit getrusage getttyent glob inet_aton inet_ntoa \
 752         inet_ntop innetgr login_getcapbool md5_crypt memmove \
 753         mkdtemp mmap ngetaddrinfo openpty ogetaddrinfo readpassphrase \
 754         realpath recvmsg rresvport_af sendmsg setdtablesize setegid \
 755         setenv seteuid setgroups setlogin setproctitle setresgid setreuid \
 756         setrlimit setsid setpcred setvbuf sigaction sigvec snprintf \
 757         socketpair strerror strlcat strlcpy strmode strsep sysconf tcgetpgrp \
 758         truncate utimes vhangup vsnprintf waitpid __b64_ntop _getpty)
 759
 760 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 761 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 762         AC_CHECK_LIB(gen, dirname,[
 763                 AC_CACHE_CHECK([for broken dirname],
 764                         ac_cv_have_broken_dirname, [
 765                         save_LIBS="$LIBS"
 766                         LIBS="$LIBS -lgen"
 767                         AC_TRY_RUN(
 768                                 [
 769 #include <libgen.h>
 770 #include <string.h>
 771
 772 int main(int argc, char **argv) {
 773     char *s, buf[32];
 774
 775     strncpy(buf,"/etc", 32);
 776     s = dirname(buf);
 777     if (!s || strncmp(s, "/", 32) != 0) {
 778         exit(1);
 779     } else {
 780         exit(0);
 781     }
 782 }
 783                                 ],
 784                                 [ ac_cv_have_broken_dirname="no" ],
 785                                 [ ac_cv_have_broken_dirname="yes" ]
 786                         )
 787                         LIBS="$save_LIBS"
 788                 ])
 789                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 790                         LIBS="$LIBS -lgen"
 791                         AC_DEFINE(HAVE_DIRNAME)
 792                         AC_CHECK_HEADERS(libgen.h)
 793                 fi
 794         ])
 795 ])
 796
 797 dnl    Checks for time functions
 798 AC_CHECK_FUNCS(gettimeofday time)
 799 dnl    Checks for utmp functions
 800 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 801 AC_CHECK_FUNCS(utmpname)
 802 dnl    Checks for utmpx functions
 803 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 804 AC_CHECK_FUNCS(setutxent utmpxname)
 805
 806 AC_CHECK_FUNC(daemon,
 807         [AC_DEFINE(HAVE_DAEMON)],
 808         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 809 )
 810
 811 AC_CHECK_FUNC(getpagesize,
 812         [AC_DEFINE(HAVE_GETPAGESIZE)],
 813         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 814 )
 815
 816 # Check for broken snprintf
 817 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 818         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 819         AC_TRY_RUN(
 820                 [
 821 #include <stdio.h>
 822 int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');}
 823                 ],
 824                 [AC_MSG_RESULT(yes)],
 825                 [
 826                         AC_MSG_RESULT(no)
 827                         AC_DEFINE(BROKEN_SNPRINTF)
 828                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 829                 ]
 830         )
 831 fi
 832
 833 AC_FUNC_GETPGRP
 834
 835 # Check for PAM libs
 836 PAM_MSG="no"
 837 AC_ARG_WITH(pam,
 838         [  --with-pam              Enable PAM support ],
 839         [
 840                 if test "x$withval" != "xno" ; then
 841                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 842                                 AC_MSG_ERROR([PAM headers not found])
 843                         fi
 844
 845                         AC_CHECK_LIB(dl, dlopen, , )
 846                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 847                         AC_CHECK_FUNCS(pam_getenvlist)
 848                         AC_CHECK_FUNCS(pam_putenv)
 849
 850                         disable_shadow=yes
 851                         PAM_MSG="yes"
 852
 853                         AC_DEFINE(USE_PAM)
 854                         if test $ac_cv_lib_dl_dlopen = yes; then
 855                                 LIBPAM="-lpam -ldl"
 856                         else
 857                                 LIBPAM="-lpam"
 858                         fi
 859
 860                         AC_SUBST(LIBPAM)
 861                 fi
 862         ]
 863 )
 864
 865 # Check for older PAM
 866 if test "x$PAM_MSG" = "xyes" ; then
 867         # Check PAM strerror arguments (old PAM)
 868         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 869         AC_TRY_COMPILE(
 870                 [
 871 #include <stdlib.h>
 872 #include <security/pam_appl.h>
 873                 ],
 874                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 875                 [AC_MSG_RESULT(no)],
 876                 [
 877                         AC_DEFINE(HAVE_OLD_PAM)
 878                         AC_MSG_RESULT(yes)
 879                         PAM_MSG="yes (old library)"
 880                 ]
 881         )
 882 fi
 883
 884 # Some systems want crypt() from libcrypt, *not* the version in OpenSSL,
 885 # because the system crypt() is more featureful.
 886 if test "x$check_for_libcrypt_before" = "x1"; then
 887         AC_CHECK_LIB(crypt, crypt)
 888 fi
 889
 890 # Search for OpenSSL
 891 saved_CPPFLAGS="$CPPFLAGS"
 892 saved_LDFLAGS="$LDFLAGS"
 893 AC_ARG_WITH(ssl-dir,
 894         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 895         [
 896                 if test "x$withval" != "xno" ; then
 897                         if test -d "$withval/lib"; then
 898                                 if test -n "${need_dash_r}"; then
 899                                         LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 900                                 else
 901                                         LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 902                                 fi
 903                         else
 904                                 if test -n "${need_dash_r}"; then
 905                                         LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 906                                 else
 907                                         LDFLAGS="-L${withval} ${LDFLAGS}"
 908                                 fi
 909                         fi
 910                         if test -d "$withval/include"; then
 911                                 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 912                         else
 913                                 CPPFLAGS="-I${withval} ${CPPFLAGS}"
 914                         fi
 915                 fi
 916         ]
 917 )
 918
 919 # Patch up SSL libraries for GSI authentication as needed
 920 if test "x$globus_flavor_type" != "xno" ; then
 921         #
 922         # For Globus 2, always link with the static libraries
 923         #
 924
 925         libssl_utils="${gsi_path}/lib/libglobus_ssl_utils_${globus_flavor_type}.a"
 926
 927         #
 928         # Trouble arrives at GT 2.1.3+ with the reorg of globus_ssl_utils.  Compensating for
 929         # the new library linking required here through file tests to see which libraries to
 930         # link against.
 931         #
 932
 933         libgsi_proxy_core="${gsi_path}/lib/libglobus_gsi_proxy_core_${globus_flavor_type}.a"
 934         libgsi_credential="${gsi_path}/lib/libglobus_gsi_credential_${globus_flavor_type}.a"
 935         libgsi_callback="${gsi_path}/lib/libglobus_gsi_callback_${globus_flavor_type}.a"
 936         liboldgaa="${gsi_path}/lib/libglobus_oldgaa_${globus_flavor_type}.a"
 937         libgsi_sysconfig="${gsi_path}/lib/libglobus_gsi_sysconfig_${globus_flavor_type}.a"
 938         libproxy_ssl="${gsi_path}/lib/libglobus_proxy_ssl_${globus_flavor_type}.a"
 939         libgsi_cert_utils="${gsi_path}/lib/libglobus_gsi_cert_utils_${globus_flavor_type}.a"
 940         libopenssl_error="${gsi_path}/lib/libglobus_openssl_error_${globus_flavor_type}.a"
 941         libopenssl="${gsi_path}/lib/libglobus_openssl_${globus_flavor_type}.a"
 942
 943         if test -r ${libgsi_proxy_core} \
 944              -a -r ${libgsi_credential} \
 945              -a -r ${libgsi_callback} \
 946              -a -r ${liboldgaa} \
 947              -a -r ${libgsi_sysconfig} \
 948              -a -r ${libproxy_ssl} \
 949              -a -r ${libgsi_cert_utils} \
 950              -a -r ${libopenssl_error} \
 951              -a -r ${libopenssl} ; then
 952                 LIBS="$LIBS ${libgsi_proxy_core}"
 953                 LIBS="$LIBS ${libgsi_credential}"
 954                 LIBS="$LIBS ${libgsi_callback}"
 955                 LIBS="$LIBS ${liboldgaa}"
 956                 LIBS="$LIBS ${libgsi_sysconfig}"
 957                 LIBS="$LIBS ${libproxy_ssl}"
 958                 LIBS="$LIBS ${libgsi_cert_utils}"
 959                 LIBS="$LIBS ${libopenssl_error}"
 960                 LIBS="$LIBS ${libopenssl}"
 961         elif test -r ${libssl_utils}; then
 962                 LIBS="$LIBS ${libssl_utils}"
 963         else
 964                 AC_MSG_ERROR([*** missing one or more Globus GSI libraries])
 965         fi
 966
 967         AC_MSG_CHECKING(for Globus GSI libraries)
 968         AC_TRY_LINK(
 969                 [],
 970                 [],
 971                 [
 972                         AC_MSG_RESULT(yes)
 973                 ],
 974                 [
 975                         AC_MSG_ERROR([*** missing one or more Globus GSI libraries])
 976                 ]
 977         )
 978
 979         #
 980         # Standard openssl libraries.  They need to appear near the end of the link line.
 981         #
 982
 983         LIBS="$LIBS ${gsi_path}/lib/libssl_${globus_flavor_type}.a"
 984         LIBS="$LIBS ${gsi_path}/lib/libcrypto_${globus_flavor_type}.a"
 985
 986         AC_MSG_CHECKING(for Globus OpenSSL libraries)
 987         AC_TRY_LINK(
 988                 [],
 989                 [],
 990                 [
 991                         AC_MSG_RESULT(yes)
 992                 ],
 993                 [
 994                         AC_MSG_ERROR([*** missing one or more Globus OpenSSL libraries])
 995                 ]
 996         )
 997
 998         #
 999         # Another "GT 2.1.3+"ism.
1000         #
1001
1002         libcommon_path="${gsi_path}/lib/libglobus_common_${globus_flavor_type}.a"
1003         if test -r ${libcommon_path}; then
1004                 LIBS="$LIBS ${libcommon_path}"
1005                 AC_MSG_CHECKING(for libglobus_common)
1006                 AC_TRY_LINK(
1007                         [],
1008                         [],
1009                         [
1010                                 AC_MSG_RESULT(yes)
1011                         ],
1012                         [
1013                                 AC_MSG_ERROR([*** libglobus_common missing])
1014                         ]
1015                 )
1016         fi
1017 else
1018         if test "x$gsi_path" != "xno" ; then
1019                 # Older GSI needs -lssl too
1020                 LIBS="$LIBS -lssl -lcrypto"
1021         else # if no GSI authentication (i.e., OpenSSL default)
1022                 LIBS="$LIBS -lcrypto"
1023         fi
1024 fi # globus_flavor_type
1025
1026 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
1027         [
1028                 dnl Check default openssl install dir
1029                 if test -n "${need_dash_r}"; then
1030                         LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
1031                 else
1032                         LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
1033                 fi
1034                 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
1035                 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
1036                         [
1037                                 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
1038                         ]
1039                 )
1040         ]
1041 )
1042
1043 # Determine OpenSSL header version
1044 AC_MSG_CHECKING([OpenSSL header version])
1045 AC_TRY_RUN(
1046         [
1047 #include <stdio.h>
1048 #include <string.h>
1049 #include <openssl/opensslv.h>
1050 #define DATA "conftest.sslincver"
1051 int main(void) {
1052         FILE *fd;
1053         int rc;
1054
1055         fd = fopen(DATA,"w");
1056         if(fd == NULL)
1057                 exit(1);
1058
1059         if ((rc = fprintf(fd ,"%x (%s)\n", OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT)) <0)
1060                 exit(1);
1061
1062         exit(0);
1063 }
1064         ],
1065         [
1066                 ssl_header_ver=`cat conftest.sslincver`
1067                 AC_MSG_RESULT($ssl_header_ver)
1068         ],
1069         [
1070                 AC_MSG_RESULT(not found)
1071                 AC_MSG_ERROR(OpenSSL version header not found.)
1072         ]
1073 )
1074
1075 # Determine OpenSSL library version
1076 AC_MSG_CHECKING([OpenSSL library version])
1077 AC_TRY_RUN(
1078         [
1079 #include <stdio.h>
1080 #include <string.h>
1081 #include <openssl/opensslv.h>
1082 #include <openssl/crypto.h>
1083 #define DATA "conftest.ssllibver"
1084 int main(void) {
1085         FILE *fd;
1086         int rc;
1087
1088         fd = fopen(DATA,"w");
1089         if(fd == NULL)
1090                 exit(1);
1091
1092         if ((rc = fprintf(fd ,"%x (%s)\n", SSLeay(), SSLeay_version(SSLEAY_VERSION))) <0)
1093                 exit(1);
1094
1095         exit(0);
1096 }
1097         ],
1098         [
1099                 ssl_library_ver=`cat conftest.ssllibver`
1100                 AC_MSG_RESULT($ssl_library_ver)
1101         ],
1102         [
1103                 AC_MSG_RESULT(not found)
1104                 AC_MSG_ERROR(OpenSSL library not found.)
1105         ]
1106 )
1107
1108 # Sanity check OpenSSL headers
1109 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
1110 AC_TRY_RUN(
1111         [
1112 #include <string.h>
1113 #include <openssl/opensslv.h>
1114 int main(void) { exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
1115         ],
1116         [
1117                 AC_MSG_RESULT(yes)
1118         ],
1119         [
1120                 AC_MSG_RESULT(no)
1121                 AC_MSG_ERROR(Your OpenSSL headers do not match your library)
1122         ]
1123 )
1124
1125 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
1126 # version in OpenSSL. Skip this for PAM
1127 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
1128         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
1129 fi
1130
1131
1132 ### Configure cryptographic random number support
1133
1134 # Check wheter OpenSSL seeds itself
1135 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
1136 AC_TRY_RUN(
1137         [
1138 #include <string.h>
1139 #include <openssl/rand.h>
1140 int main(void) { exit(RAND_status() == 1 ? 0 : 1); }
1141         ],
1142         [
1143                 OPENSSL_SEEDS_ITSELF=yes
1144                 AC_MSG_RESULT(yes)
1145         ],
1146         [
1147                 AC_MSG_RESULT(no)
1148                 # Default to use of the rand helper if OpenSSL doesn't
1149                 # seed itself
1150                 USE_RAND_HELPER=yes
1151         ]
1152 )
1153
1154
1155 # Do we want to force the use of the rand helper?
1156 AC_ARG_WITH(rand-helper,
1157         [  --with-rand-helper      Use subprocess to gather strong randomness ],
1158         [
1159                 if test "x$withval" = "xno" ; then
1160                         # Force use of OpenSSL's internal RNG, even if
1161                         # the previous test showed it to be unseeded.
1162                         if test -z "$OPENSSL_SEEDS_ITSELF" ; then
1163                                 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
1164                                 OPENSSL_SEEDS_ITSELF=yes
1165                                 USE_RAND_HELPER=""
1166                         fi
1167                 else
1168                         USE_RAND_HELPER=yes
1169                 fi
1170         ],
1171 )
1172
1173 # Which randomness source do we use?
1174 if test ! -z "$OPENSSL_SEEDS_ITSELF" -a -z "$USE_RAND_HELPER" ; then
1175         # OpenSSL only
1176         AC_DEFINE(OPENSSL_PRNG_ONLY)
1177         RAND_MSG="OpenSSL internal ONLY"
1178         INSTALL_SSH_RAND_HELPER=""
1179 elif test ! -z "$USE_RAND_HELPER" ; then
1180         # install rand helper
1181         RAND_MSG="ssh-rand-helper"
1182         INSTALL_SSH_RAND_HELPER="yes"
1183 fi
1184 AC_SUBST(INSTALL_SSH_RAND_HELPER)
1185
1186 ### Configuration of ssh-rand-helper
1187
1188 # PRNGD TCP socket
1189 AC_ARG_WITH(prngd-port,
1190         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD TCP localhost:PORT],
1191         [
1192                 case "$withval" in
1193                 no)
1194                         withval=""
1195                         ;;
1196                 [[0-9]]*)
1197                         ;;
1198                 *)
1199                         AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
1200                         ;;
1201                 esac
1202                 if test ! -z "$withval" ; then
1203                         PRNGD_PORT="$withval"
1204                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
1205                 fi
1206         ]
1207 )
1208
1209 # PRNGD Unix domain socket
1210 AC_ARG_WITH(prngd-socket,
1211         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1212         [
1213                 case "$withval" in
1214                 yes)
1215                         withval="/var/run/egd-pool"
1216                         ;;
1217                 no)
1218                         withval=""
1219                         ;;
1220                 /*)
1221                         ;;
1222                 *)
1223                         AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
1224                         ;;
1225                 esac
1226
1227                 if test ! -z "$withval" ; then
1228                         if test ! -z "$PRNGD_PORT" ; then
1229                                 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
1230                         fi
1231                         if test ! -r "$withval" ; then
1232                                 AC_MSG_WARN(Entropy socket is not readable)
1233                         fi
1234                         PRNGD_SOCKET="$withval"
1235                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1236                 fi
1237         ],
1238         [
1239                 # Check for existing socket only if we don't have a random device already
1240                 if test "$USE_RAND_HELPER" = yes ; then
1241                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1242                         # Insert other locations here
1243                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1244                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1245                                         PRNGD_SOCKET="$sock"
1246                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1247                                         break;
1248                                 fi
1249                         done
1250                         if test ! -z "$PRNGD_SOCKET" ; then
1251                                 AC_MSG_RESULT($PRNGD_SOCKET)
1252                         else
1253                                 AC_MSG_RESULT(not found)
1254                         fi
1255                 fi
1256         ]
1257 )
1258
1259 # Change default command timeout for hashing entropy source
1260 entropy_timeout=200
1261 AC_ARG_WITH(entropy-timeout,
1262         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1263         [
1264                 if test "x$withval" != "xno" ; then
1265                         entropy_timeout=$withval
1266                 fi
1267         ]
1268 )
1269 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1270
1271 SSH_PRIVSEP_USER=sshd
1272 AC_ARG_WITH(privsep-user,
1273         [  --with-privsep-user=user Specify non-privileged user for privilege separation],
1274         [
1275                 if test -n "$withval"; then
1276                         SSH_PRIVSEP_USER=$withval
1277                 fi
1278         ]
1279 )
1280 AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$SSH_PRIVSEP_USER")
1281 AC_SUBST(SSH_PRIVSEP_USER)
1282
1283 # We do this little dance with the search path to insure
1284 # that programs that we select for use by installed programs
1285 # (which may be run by the super-user) come from trusted
1286 # locations before they come from the user's private area.
1287 # This should help avoid accidentally configuring some
1288 # random version of a program in someone's personal bin.
1289
1290 OPATH=$PATH
1291 PATH=/bin:/usr/bin
1292 test -h /bin 2> /dev/null && PATH=/usr/bin
1293 test -d /sbin && PATH=$PATH:/sbin
1294 test -d /usr/sbin && PATH=$PATH:/usr/sbin
1295 PATH=$PATH:/etc:$OPATH
1296
1297 # These programs are used by the command hashing source to gather entropy
1298 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1299 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1300 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1301 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1302 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
1303 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1304 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
1305 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1306 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1307 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1308 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1309 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1310 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1311 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1312 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1313 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1314 # restore PATH
1315 PATH=$OPATH
1316
1317 # Where does ssh-rand-helper get its randomness from?
1318 INSTALL_SSH_PRNG_CMDS=""
1319 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
1320         if test ! -z "$PRNGD_PORT" ; then
1321                 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
1322         elif test ! -z "$PRNGD_SOCKET" ; then
1323                 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
1324         else
1325                 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
1326                 RAND_HELPER_CMDHASH=yes
1327                 INSTALL_SSH_PRNG_CMDS="yes"
1328         fi
1329 fi
1330 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1331
1332
1333 # Cheap hack to ensure NEWS-OS libraries are arranged right.
1334 if test ! -z "$SONY" ; then
1335   LIBS="$LIBS -liberty";
1336 fi
1337
1338 # Checks for data types
1339 AC_CHECK_SIZEOF(char, 1)
1340 AC_CHECK_SIZEOF(short int, 2)
1341 AC_CHECK_SIZEOF(int, 4)
1342 AC_CHECK_SIZEOF(long int, 4)
1343 AC_CHECK_SIZEOF(long long int, 8)
1344
1345 # Sanity check long long for some platforms (AIX)
1346 if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
1347         ac_cv_sizeof_long_long_int=0
1348 fi
1349
1350 # More checks for data types
1351 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
1352         AC_TRY_COMPILE(
1353                 [ #include <sys/types.h> ],
1354                 [ u_int a; a = 1;],
1355                 [ ac_cv_have_u_int="yes" ],
1356                 [ ac_cv_have_u_int="no" ]
1357         )
1358 ])
1359 if test "x$ac_cv_have_u_int" = "xyes" ; then
1360         AC_DEFINE(HAVE_U_INT)
1361         have_u_int=1
1362 fi
1363
1364 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
1365         AC_TRY_COMPILE(
1366                 [ #include <sys/types.h> ],
1367                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1368                 [ ac_cv_have_intxx_t="yes" ],
1369                 [ ac_cv_have_intxx_t="no" ]
1370         )
1371 ])
1372 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
1373         AC_DEFINE(HAVE_INTXX_T)
1374         have_intxx_t=1
1375 fi
1376
1377 if (test -z "$have_intxx_t" && \
1378            test "x$ac_cv_header_stdint_h" = "xyes")
1379 then
1380     AC_MSG_CHECKING([for intXX_t types in stdint.h])
1381         AC_TRY_COMPILE(
1382                 [ #include <stdint.h> ],
1383                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1384                 [
1385                         AC_DEFINE(HAVE_INTXX_T)
1386                         AC_MSG_RESULT(yes)
1387                 ],
1388                 [ AC_MSG_RESULT(no) ]
1389         )
1390 fi
1391
1392 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
1393         AC_TRY_COMPILE(
1394                 [
1395 #include <sys/types.h>
1396 #ifdef HAVE_STDINT_H
1397 # include <stdint.h>
1398 #endif
1399 #include <sys/socket.h>
1400 #ifdef HAVE_SYS_BITYPES_H
1401 # include <sys/bitypes.h>
1402 #endif
1403                 ],
1404                 [ int64_t a; a = 1;],
1405                 [ ac_cv_have_int64_t="yes" ],
1406                 [ ac_cv_have_int64_t="no" ]
1407         )
1408 ])
1409 if test "x$ac_cv_have_int64_t" = "xyes" ; then
1410         AC_DEFINE(HAVE_INT64_T)
1411 fi
1412
1413 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
1414         AC_TRY_COMPILE(
1415                 [ #include <sys/types.h> ],
1416                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1417                 [ ac_cv_have_u_intxx_t="yes" ],
1418                 [ ac_cv_have_u_intxx_t="no" ]
1419         )
1420 ])
1421 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
1422         AC_DEFINE(HAVE_U_INTXX_T)
1423         have_u_intxx_t=1
1424 fi
1425
1426 if test -z "$have_u_intxx_t" ; then
1427     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
1428         AC_TRY_COMPILE(
1429                 [ #include <sys/socket.h> ],
1430                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1431                 [
1432                         AC_DEFINE(HAVE_U_INTXX_T)
1433                         AC_MSG_RESULT(yes)
1434                 ],
1435                 [ AC_MSG_RESULT(no) ]
1436         )
1437 fi
1438
1439 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
1440         AC_TRY_COMPILE(
1441                 [ #include <sys/types.h> ],
1442                 [ u_int64_t a; a = 1;],
1443                 [ ac_cv_have_u_int64_t="yes" ],
1444                 [ ac_cv_have_u_int64_t="no" ]
1445         )
1446 ])
1447 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
1448         AC_DEFINE(HAVE_U_INT64_T)
1449         have_u_int64_t=1
1450 fi
1451
1452 if test -z "$have_u_int64_t" ; then
1453     AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
1454         AC_TRY_COMPILE(
1455                 [ #include <sys/bitypes.h> ],
1456                 [ u_int64_t a; a = 1],
1457                 [
1458                         AC_DEFINE(HAVE_U_INT64_T)
1459                         AC_MSG_RESULT(yes)
1460                 ],
1461                 [ AC_MSG_RESULT(no) ]
1462         )
1463 fi
1464
1465 if test -z "$have_u_intxx_t" ; then
1466         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
1467                 AC_TRY_COMPILE(
1468                         [
1469 #include <sys/types.h>
1470                         ],
1471                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
1472                         [ ac_cv_have_uintxx_t="yes" ],
1473                         [ ac_cv_have_uintxx_t="no" ]
1474                 )
1475         ])
1476         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
1477                 AC_DEFINE(HAVE_UINTXX_T)
1478         fi
1479 fi
1480
1481 if test -z "$have_uintxx_t" ; then
1482     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
1483         AC_TRY_COMPILE(
1484                 [ #include <stdint.h> ],
1485                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
1486                 [
1487                         AC_DEFINE(HAVE_UINTXX_T)
1488                         AC_MSG_RESULT(yes)
1489                 ],
1490                 [ AC_MSG_RESULT(no) ]
1491         )
1492 fi
1493
1494 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
1495            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
1496 then
1497         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
1498         AC_TRY_COMPILE(
1499                 [
1500 #include <sys/bitypes.h>
1501                 ],
1502                 [
1503                         int8_t a; int16_t b; int32_t c;
1504                         u_int8_t e; u_int16_t f; u_int32_t g;
1505                         a = b = c = e = f = g = 1;
1506                 ],
1507                 [
1508                         AC_DEFINE(HAVE_U_INTXX_T)
1509                         AC_DEFINE(HAVE_INTXX_T)
1510                         AC_MSG_RESULT(yes)
1511                 ],
1512                 [AC_MSG_RESULT(no)]
1513         )
1514 fi
1515
1516
1517 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
1518         AC_TRY_COMPILE(
1519                 [
1520 #include <sys/types.h>
1521                 ],
1522                 [ u_char foo; foo = 125; ],
1523                 [ ac_cv_have_u_char="yes" ],
1524                 [ ac_cv_have_u_char="no" ]
1525         )
1526 ])
1527 if test "x$ac_cv_have_u_char" = "xyes" ; then
1528         AC_DEFINE(HAVE_U_CHAR)
1529 fi
1530
1531 TYPE_SOCKLEN_T
1532
1533 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
1534
1535 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
1536         AC_TRY_COMPILE(
1537                 [
1538 #include <sys/types.h>
1539                 ],
1540                 [ size_t foo; foo = 1235; ],
1541                 [ ac_cv_have_size_t="yes" ],
1542                 [ ac_cv_have_size_t="no" ]
1543         )
1544 ])
1545 if test "x$ac_cv_have_size_t" = "xyes" ; then
1546         AC_DEFINE(HAVE_SIZE_T)
1547 fi
1548
1549 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
1550         AC_TRY_COMPILE(
1551                 [
1552 #include <sys/types.h>
1553                 ],
1554                 [ ssize_t foo; foo = 1235; ],
1555                 [ ac_cv_have_ssize_t="yes" ],
1556                 [ ac_cv_have_ssize_t="no" ]
1557         )
1558 ])
1559 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
1560         AC_DEFINE(HAVE_SSIZE_T)
1561 fi
1562
1563 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
1564         AC_TRY_COMPILE(
1565                 [
1566 #include <time.h>
1567                 ],
1568                 [ clock_t foo; foo = 1235; ],
1569                 [ ac_cv_have_clock_t="yes" ],
1570                 [ ac_cv_have_clock_t="no" ]
1571         )
1572 ])
1573 if test "x$ac_cv_have_clock_t" = "xyes" ; then
1574         AC_DEFINE(HAVE_CLOCK_T)
1575 fi
1576
1577 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
1578         AC_TRY_COMPILE(
1579                 [
1580 #include <sys/types.h>
1581 #include <sys/socket.h>
1582                 ],
1583                 [ sa_family_t foo; foo = 1235; ],
1584                 [ ac_cv_have_sa_family_t="yes" ],
1585                 [ AC_TRY_COMPILE(
1586                   [
1587 #include <sys/types.h>
1588 #include <sys/socket.h>
1589 #include <netinet/in.h>
1590                 ],
1591                 [ sa_family_t foo; foo = 1235; ],
1592                 [ ac_cv_have_sa_family_t="yes" ],
1593
1594                 [ ac_cv_have_sa_family_t="no" ]
1595         )]
1596         )
1597 ])
1598 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
1599         AC_DEFINE(HAVE_SA_FAMILY_T)
1600 fi
1601
1602 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
1603         AC_TRY_COMPILE(
1604                 [
1605 #include <sys/types.h>
1606                 ],
1607                 [ pid_t foo; foo = 1235; ],
1608                 [ ac_cv_have_pid_t="yes" ],
1609                 [ ac_cv_have_pid_t="no" ]
1610         )
1611 ])
1612 if test "x$ac_cv_have_pid_t" = "xyes" ; then
1613         AC_DEFINE(HAVE_PID_T)
1614 fi
1615
1616 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
1617         AC_TRY_COMPILE(
1618                 [
1619 #include <sys/types.h>
1620                 ],
1621                 [ mode_t foo; foo = 1235; ],
1622                 [ ac_cv_have_mode_t="yes" ],
1623                 [ ac_cv_have_mode_t="no" ]
1624         )
1625 ])
1626 if test "x$ac_cv_have_mode_t" = "xyes" ; then
1627         AC_DEFINE(HAVE_MODE_T)
1628 fi
1629
1630
1631 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
1632         AC_TRY_COMPILE(
1633                 [
1634 #include <sys/types.h>
1635 #include <sys/socket.h>
1636                 ],
1637                 [ struct sockaddr_storage s; ],
1638                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
1639                 [ ac_cv_have_struct_sockaddr_storage="no" ]
1640         )
1641 ])
1642 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
1643         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
1644 fi
1645
1646 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
1647         AC_TRY_COMPILE(
1648                 [
1649 #include <sys/types.h>
1650 #include <netinet/in.h>
1651                 ],
1652                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1653                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1654                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1655         )
1656 ])
1657 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1658         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1659 fi
1660
1661 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1662         AC_TRY_COMPILE(
1663                 [
1664 #include <sys/types.h>
1665 #include <netinet/in.h>
1666                 ],
1667                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1668                 [ ac_cv_have_struct_in6_addr="yes" ],
1669                 [ ac_cv_have_struct_in6_addr="no" ]
1670         )
1671 ])
1672 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1673         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1674 fi
1675
1676 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1677         AC_TRY_COMPILE(
1678                 [
1679 #include <sys/types.h>
1680 #include <sys/socket.h>
1681 #include <netdb.h>
1682                 ],
1683                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1684                 [ ac_cv_have_struct_addrinfo="yes" ],
1685                 [ ac_cv_have_struct_addrinfo="no" ]
1686         )
1687 ])
1688 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1689         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1690 fi
1691
1692 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1693         AC_TRY_COMPILE(
1694                 [ #include <sys/time.h> ],
1695                 [ struct timeval tv; tv.tv_sec = 1;],
1696                 [ ac_cv_have_struct_timeval="yes" ],
1697                 [ ac_cv_have_struct_timeval="no" ]
1698         )
1699 ])
1700 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1701         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1702         have_struct_timeval=1
1703 fi
1704
1705 # If we don't have int64_t then we can't compile sftp-server.  So don't
1706 # even attempt to do it.
1707 if test "x$ac_cv_have_int64_t" = "xno" -a \
1708         "x$ac_cv_sizeof_long_int" != "x8" -a \
1709         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1710         NO_SFTP='#'
1711 else
1712 dnl test snprintf (broken on SCO w/gcc)
1713         AC_TRY_RUN(
1714                 [
1715 #include <stdio.h>
1716 #include <string.h>
1717 #ifdef HAVE_SNPRINTF
1718 main()
1719 {
1720         char buf[50];
1721         char expected_out[50];
1722         int mazsize = 50 ;
1723 #if (SIZEOF_LONG_INT == 8)
1724         long int num = 0x7fffffffffffffff;
1725 #else
1726         long long num = 0x7fffffffffffffffll;
1727 #endif
1728         strcpy(expected_out, "9223372036854775807");
1729         snprintf(buf, mazsize, "%lld", num);
1730         if(strcmp(buf, expected_out) != 0)
1731                 exit(1);
1732         exit(0);
1733 }
1734 #else
1735 main() { exit(0); }
1736 #endif
1737                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1738         )
1739 fi
1740 AC_SUBST(NO_SFTP)
1741
1742 dnl Checks for structure members
1743 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1744 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1745 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1746 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1747 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1748 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1749 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1750 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1751 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1752 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1753 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1754 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1755 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1756 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1757 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1758 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1759 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1760
1761 AC_CHECK_MEMBERS([struct stat.st_blksize])
1762
1763 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1764                 ac_cv_have_ss_family_in_struct_ss, [
1765         AC_TRY_COMPILE(
1766                 [
1767 #include <sys/types.h>
1768 #include <sys/socket.h>
1769                 ],
1770                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1771                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1772                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1773         )
1774 ])
1775 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1776         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1777 fi
1778
1779 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1780                 ac_cv_have___ss_family_in_struct_ss, [
1781         AC_TRY_COMPILE(
1782                 [
1783 #include <sys/types.h>
1784 #include <sys/socket.h>
1785                 ],
1786                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1787                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1788                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1789         )
1790 ])
1791 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1792         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1793 fi
1794
1795 AC_CACHE_CHECK([for pw_class field in struct passwd],
1796                 ac_cv_have_pw_class_in_struct_passwd, [
1797         AC_TRY_COMPILE(
1798                 [
1799 #include <pwd.h>
1800                 ],
1801                 [ struct passwd p; p.pw_class = 0; ],
1802                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1803                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1804         )
1805 ])
1806 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1807         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1808 fi
1809
1810 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1811                 ac_cv_have_pw_expire_in_struct_passwd, [
1812         AC_TRY_COMPILE(
1813                 [
1814 #include <pwd.h>
1815                 ],
1816                 [ struct passwd p; p.pw_expire = 0; ],
1817                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1818                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1819         )
1820 ])
1821 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1822         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1823 fi
1824
1825 AC_CACHE_CHECK([for pw_change field in struct passwd],
1826                 ac_cv_have_pw_change_in_struct_passwd, [
1827         AC_TRY_COMPILE(
1828                 [
1829 #include <pwd.h>
1830                 ],
1831                 [ struct passwd p; p.pw_change = 0; ],
1832                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1833                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1834         )
1835 ])
1836 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1837         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1838 fi
1839
1840 dnl make sure we're using the real structure members and not defines
1841 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
1842                 ac_cv_have_accrights_in_msghdr, [
1843         AC_TRY_RUN(
1844                 [
1845 #include <sys/types.h>
1846 #include <sys/socket.h>
1847 #include <sys/uio.h>
1848 int main() {
1849 #ifdef msg_accrights
1850 exit(1);
1851 #endif
1852 struct msghdr m;
1853 m.msg_accrights = 0;
1854 exit(0);
1855 }
1856                 ],
1857                 [ ac_cv_have_accrights_in_msghdr="yes" ],
1858                 [ ac_cv_have_accrights_in_msghdr="no" ]
1859         )
1860 ])
1861 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
1862         AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
1863 fi
1864
1865 AC_CACHE_CHECK([for msg_control field in struct msghdr],
1866                 ac_cv_have_control_in_msghdr, [
1867         AC_TRY_RUN(
1868                 [
1869 #include <sys/types.h>
1870 #include <sys/socket.h>
1871 #include <sys/uio.h>
1872 int main() {
1873 #ifdef msg_control
1874 exit(1);
1875 #endif
1876 struct msghdr m;
1877 m.msg_control = 0;
1878 exit(0);
1879 }
1880                 ],
1881                 [ ac_cv_have_control_in_msghdr="yes" ],
1882                 [ ac_cv_have_control_in_msghdr="no" ]
1883         )
1884 ])
1885 if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
1886         AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
1887 fi
1888
1889 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1890         AC_TRY_LINK([],
1891                 [ extern char *__progname; printf("%s", __progname); ],
1892                 [ ac_cv_libc_defines___progname="yes" ],
1893                 [ ac_cv_libc_defines___progname="no" ]
1894         )
1895 ])
1896 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1897         AC_DEFINE(HAVE___PROGNAME)
1898 fi
1899
1900 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
1901         AC_TRY_LINK([
1902 #include <stdio.h>
1903 ],
1904                 [ printf("%s", __FUNCTION__); ],
1905                 [ ac_cv_cc_implements___FUNCTION__="yes" ],
1906                 [ ac_cv_cc_implements___FUNCTION__="no" ]
1907         )
1908 ])
1909 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
1910         AC_DEFINE(HAVE___FUNCTION__)
1911 fi
1912
1913 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
1914         AC_TRY_LINK([
1915 #include <stdio.h>
1916 ],
1917                 [ printf("%s", __func__); ],
1918                 [ ac_cv_cc_implements___func__="yes" ],
1919                 [ ac_cv_cc_implements___func__="no" ]
1920         )
1921 ])
1922 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
1923         AC_DEFINE(HAVE___func__)
1924 fi
1925
1926 AC_CACHE_CHECK([whether getopt has optreset support],
1927                 ac_cv_have_getopt_optreset, [
1928         AC_TRY_LINK(
1929                 [
1930 #include <getopt.h>
1931                 ],
1932                 [ extern int optreset; optreset = 0; ],
1933                 [ ac_cv_have_getopt_optreset="yes" ],
1934                 [ ac_cv_have_getopt_optreset="no" ]
1935         )
1936 ])
1937 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
1938         AC_DEFINE(HAVE_GETOPT_OPTRESET)
1939 fi
1940
1941 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1942         AC_TRY_LINK([],
1943                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1944                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1945                 [ ac_cv_libc_defines_sys_errlist="no" ]
1946         )
1947 ])
1948 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1949         AC_DEFINE(HAVE_SYS_ERRLIST)
1950 fi
1951
1952
1953 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1954         AC_TRY_LINK([],
1955                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1956                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1957                 [ ac_cv_libc_defines_sys_nerr="no" ]
1958         )
1959 ])
1960 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1961         AC_DEFINE(HAVE_SYS_NERR)
1962 fi
1963
1964 SCARD_MSG="no"
1965
1966 # Check whether user wants sectok support
1967 AC_ARG_WITH(sectok,
1968         [  --with-sectok           Enable smartcard support using libsectok],
1969         [
1970                 if test "x$withval" != "xno" ; then
1971                         if test "x$withval" != "xyes" ; then
1972                                 CPPFLAGS="$CPPFLAGS -I${withval}"
1973                                 LDFLAGS="$LDFLAGS -L${withval}"
1974                                 if test ! -z "$need_dash_r" ; then
1975                                         LDFLAGS="$LDFLAGS -R${withval}"
1976                                 fi
1977                                 if test ! -z "$blibpath" ; then
1978                                         blibpath="$blibpath:${withval}"
1979                                 fi
1980                         fi
1981                         AC_CHECK_HEADERS(sectok.h)
1982                         if test "$ac_cv_header_sectok_h" != yes; then
1983                                 AC_MSG_ERROR(Can't find sectok.h)
1984                         fi
1985                         AC_CHECK_LIB(sectok, sectok_open)
1986                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
1987                                 AC_MSG_ERROR(Can't find libsectok)
1988                         fi
1989                         AC_DEFINE(SMARTCARD)
1990                         AC_DEFINE(USE_SECTOK)
1991                         SCARD_MSG="yes, using sectok"
1992                 fi
1993         ]
1994 )
1995
1996 # Check whether user wants OpenSC support
1997 AC_ARG_WITH(opensc,
1998         AC_HELP_STRING([--with-opensc=PFX],
1999                        [Enable smartcard support using OpenSC]),
2000         opensc_config_prefix="$withval", opensc_config_prefix="")
2001 if test x$opensc_config_prefix != x ; then
2002   OPENSC_CONFIG=$opensc_config_prefix/bin/opensc-config
2003   AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
2004   if test "$OPENSC_CONFIG" != "no"; then
2005     LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
2006     LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
2007     CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
2008     LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"
2009     AC_DEFINE(SMARTCARD)
2010     AC_DEFINE(USE_OPENSC)
2011     SCARD_MSG="yes, using OpenSC"
2012   fi
2013 fi
2014
2015 # Check whether user wants Kerberos 5 support
2016 KRB5_MSG="no"
2017 AC_ARG_WITH(kerberos5,
2018         [  --with-kerberos5=PATH   Enable Kerberos 5 support],
2019         [
2020                 if test "x$withval" != "xno" ; then
2021                         if test "x$withval" = "xyes" ; then
2022                                 KRB5ROOT="/usr/local"
2023                         else
2024                                 KRB5ROOT=${withval}
2025                         fi
2026                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
2027                         LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
2028                         AC_DEFINE(KRB5)
2029                         KRB5_MSG="yes"
2030                         AC_MSG_CHECKING(whether we are using Heimdal)
2031                         AC_TRY_COMPILE([ #include <krb5.h> ],
2032                                        [ char *tmp = heimdal_version; ],
2033                                        [ AC_MSG_RESULT(yes)
2034                                          AC_DEFINE(HEIMDAL)
2035                                          K5LIBS="-lkrb5 -ldes -lcom_err -lasn1 -lroken"
2036                                        ],
2037                                        [ AC_MSG_RESULT(no)
2038                                          K5LIBS="-lkrb5 -lk5crypto -lcom_err"
2039                                        ]
2040                         )
2041                         if test ! -z "$need_dash_r" ; then
2042                                 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
2043                         fi
2044                         if test ! -z "$blibpath" ; then
2045                                 blibpath="$blibpath:${KRB5ROOT}/lib"
2046                         fi
2047                         AC_CHECK_LIB(resolv, dn_expand, , )
2048
2049                         # If we're using some other GSSAPI
2050                         if test "$GSSAPI" -a "$GSSAPI" != "mechglue"; then
2051                                 AC_MSG_ERROR([$GSSAPI GSSAPI library conflicts with Kerberos support.  Use mechglue instead.])
2052                         fi
2053                         AC_CHECK_LIB(gssapi,gss_init_sec_context,
2054                                 [ AC_DEFINE(GSSAPI)
2055                                   K5LIBS="-lgssapi $K5LIBS" ],
2056                                 [ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
2057                                         [ AC_DEFINE(GSSAPI)
2058                                           K5LIBS="-lgssapi_krb5 $K5LIBS" ],
2059                                         AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
2060                                         $K5LIBS)
2061                                 ],
2062                                 $K5LIBS)
2063
2064                         AC_CHECK_HEADER(gssapi.h, ,
2065                                 [ unset ac_cv_header_gssapi_h
2066                                   CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
2067                                   AC_CHECK_HEADERS(gssapi.h, ,
2068                                         AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
2069                                   )
2070                                 ]
2071                         )
2072
2073                         AC_CHECK_LIB(gssapi, gss_krb5_copy_ccache, /bin/true,
2074                                 [ K5LIBS="-lgssapi_krb5 $K5LIBS"
2075                                   AC_CHECK_LIB(gssapi_krb5, gss_krb5_copy_ccache, /bin/true,
2076                                         AC_MSG_WARN([Cannot find gss_krb5_copy_ccache -- build may fail]),
2077                                         $K5LIBS)
2078                                 ],
2079                                 $K5LIBS)
2080
2081                         oldCPP="$CPPFLAGS"
2082                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
2083                         AC_CHECK_HEADER(gssapi_krb5.h, ,
2084                                         [ CPPFLAGS="$oldCPP" ])
2085
2086                         if test -z "$GSSAPI"; then
2087                                 GSSAPI="KRB5";
2088                         fi
2089
2090                         KRB5=yes
2091                 fi
2092         ]
2093 )
2094 # Check whether user wants Kerberos 4 support
2095 KRB4_MSG="no"
2096 AC_ARG_WITH(kerberos4,
2097         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
2098         [
2099                 if test "x$withval" != "xno" ; then
2100                         if test "x$withval" != "xyes" ; then
2101                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
2102                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
2103                                 if test ! -z "$need_dash_r" ; then
2104                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
2105                                 fi
2106                                 if test ! -z "$blibpath" ; then
2107                                         blibpath="$blibpath:${withval}/lib"
2108                                 fi
2109                         else
2110                                 if test -d /usr/include/kerberosIV ; then
2111                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
2112                                 fi
2113                         fi
2114
2115                         AC_CHECK_HEADERS(krb.h)
2116                         if test "$ac_cv_header_krb_h" != yes; then
2117                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
2118                         fi
2119                         AC_CHECK_LIB(krb, main)
2120                         if test "$ac_cv_lib_krb_main" != yes; then
2121                                 AC_CHECK_LIB(krb4, main)
2122                                 if test "$ac_cv_lib_krb4_main" != yes; then
2123                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
2124                                 else
2125                                         KLIBS="-lkrb4"
2126                                 fi
2127                         else
2128                                 KLIBS="-lkrb"
2129                         fi
2130                         AC_CHECK_LIB(des, des_cbc_encrypt)
2131                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
2132                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
2133                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
2134                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
2135                                 else
2136                                         KLIBS="-ldes425"
2137                                 fi
2138                         else
2139                                 KLIBS="-ldes"
2140                         fi
2141                         AC_CHECK_LIB(resolv, dn_expand, , )
2142                         KRB4=yes
2143                         KRB4_MSG="yes"
2144                         AC_DEFINE(KRB4)
2145                 fi
2146         ]
2147 )
2148
2149 # Check whether user wants AFS support
2150 AFS_MSG="no"
2151 AC_ARG_WITH(afs,
2152         [  --with-afs=PATH         Enable AFS support],
2153         [
2154                 if test "x$withval" != "xno" ; then
2155
2156                         if test "x$withval" != "xyes" ; then
2157                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
2158                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
2159                         fi
2160
2161                         if test -z "$KRB4" ; then
2162                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
2163                         fi
2164
2165                         LIBS="-lkafs $LIBS"
2166                         if test ! -z "$AFS_LIBS" ; then
2167                                 LIBS="$LIBS $AFS_LIBS"
2168                         fi
2169                         AC_DEFINE(AFS)
2170                         AFS_MSG="yes"
2171                 fi
2172         ]
2173 )
2174 LIBS="$LIBS $KLIBS $K5LIBS"
2175
2176 # Looking for programs, paths and files
2177
2178 PRIVSEP_PATH=/var/empty
2179 AC_ARG_WITH(privsep-path,
2180         [  --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)],
2181         [
2182                 if test "x$withval" != "$no" ; then
2183                         PRIVSEP_PATH=$withval
2184                 fi
2185         ]
2186 )
2187 AC_SUBST(PRIVSEP_PATH)
2188
2189 AC_ARG_WITH(xauth,
2190         [  --with-xauth=PATH       Specify path to xauth program ],
2191         [
2192                 if test "x$withval" != "xno" ; then
2193                         xauth_path=$withval
2194                 fi
2195         ],
2196         [
2197                 TestPath="$PATH"
2198                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X/bin"
2199                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/bin/X11"
2200                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X11R6/bin"
2201                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/openwin/bin"
2202                 AC_PATH_PROG(xauth_path, xauth, , $TestPath)
2203                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
2204                         xauth_path="/usr/openwin/bin/xauth"
2205                 fi
2206         ]
2207 )
2208
2209 if test -z "$xauth_path" ; then
2210         XAUTH_PATH="undefined"
2211         AC_SUBST(XAUTH_PATH)
2212 else
2213         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
2214         XAUTH_PATH=$xauth_path
2215         AC_SUBST(XAUTH_PATH)
2216 fi
2217
2218 # Check for mail directory (last resort if we cannot get it from headers)
2219 if test ! -z "$MAIL" ; then
2220         maildir=`dirname $MAIL`
2221         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
2222 fi
2223
2224 if test -z "$no_dev_ptmx" ; then
2225         if test "x$disable_ptmx_check" != "xyes" ; then
2226                 AC_CHECK_FILE("/dev/ptmx",
2227                         [
2228                                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
2229                                 have_dev_ptmx=1
2230                         ]
2231                 )
2232         fi
2233 fi
2234 AC_CHECK_FILE("/dev/ptc",
2235         [
2236                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
2237                 have_dev_ptc=1
2238         ]
2239 )
2240
2241 # Options from here on. Some of these are preset by platform above
2242 AC_ARG_WITH(mantype,
2243         [  --with-mantype=man|cat|doc  Set man page type],
2244         [
2245                 case "$withval" in
2246                 man|cat|doc)
2247                         MANTYPE=$withval
2248                         ;;
2249                 *)
2250                         AC_MSG_ERROR(invalid man type: $withval)
2251                         ;;
2252                 esac
2253         ]
2254 )
2255 if test -z "$MANTYPE"; then
2256         TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb"
2257         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, $TestPath)
2258         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
2259                 MANTYPE=doc
2260         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
2261                 MANTYPE=man
2262         else
2263                 MANTYPE=cat
2264         fi
2265 fi
2266 AC_SUBST(MANTYPE)
2267 if test "$MANTYPE" = "doc"; then
2268         mansubdir=man;
2269 else
2270         mansubdir=$MANTYPE;
2271 fi
2272 AC_SUBST(mansubdir)
2273
2274 # Check whether to enable MD5 passwords
2275 MD5_MSG="no"
2276 AC_ARG_WITH(md5-passwords,
2277         [  --with-md5-passwords    Enable use of MD5 passwords],
2278         [
2279                 if test "x$withval" != "xno" ; then
2280                         AC_DEFINE(HAVE_MD5_PASSWORDS)
2281                         MD5_MSG="yes"
2282                 fi
2283         ]
2284 )
2285
2286 # Whether to disable shadow password support
2287 AC_ARG_WITH(shadow,
2288         [  --without-shadow        Disable shadow password support],
2289         [
2290                 if test "x$withval" = "xno" ; then
2291                         AC_DEFINE(DISABLE_SHADOW)
2292                         disable_shadow=yes
2293                 fi
2294         ]
2295 )
2296
2297 if test -z "$disable_shadow" ; then
2298         AC_MSG_CHECKING([if the systems has expire shadow information])
2299         AC_TRY_COMPILE(
2300         [
2301 #include <sys/types.h>
2302 #include <shadow.h>
2303         struct spwd sp;
2304         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
2305         [ sp_expire_available=yes ], []
2306         )
2307
2308         if test "x$sp_expire_available" = "xyes" ; then
2309                 AC_MSG_RESULT(yes)
2310                 AC_DEFINE(HAS_SHADOW_EXPIRE)
2311         else
2312                 AC_MSG_RESULT(no)
2313         fi
2314 fi
2315
2316 # Use ip address instead of hostname in $DISPLAY
2317 if test ! -z "$IPADDR_IN_DISPLAY" ; then
2318         DISPLAY_HACK_MSG="yes"
2319         AC_DEFINE(IPADDR_IN_DISPLAY)
2320 else
2321         DISPLAY_HACK_MSG="no"
2322         AC_ARG_WITH(ipaddr-display,
2323                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
2324                 [
2325                         if test "x$withval" != "xno" ; then
2326                                 AC_DEFINE(IPADDR_IN_DISPLAY)
2327                                 DISPLAY_HACK_MSG="yes"
2328                         fi
2329                 ]
2330         )
2331 fi
2332
2333 dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
2334 if test $ac_cv_func_login_getcapbool = "yes" -a \
2335         $ac_cv_header_login_cap_h = "yes" ; then
2336         USES_LOGIN_CONF=yes
2337 fi
2338 # Whether to mess with the default path
2339 SERVER_PATH_MSG="(default)"
2340 AC_ARG_WITH(default-path,
2341         [  --with-default-path=    Specify default \$PATH environment for server],
2342         [
2343                 if test "$USES_LOGIN_CONF" = "yes" ; then
2344                         AC_MSG_WARN([
2345 --with-default-path=PATH has no effect on this system.
2346 Edit /etc/login.conf instead.])
2347                 elif test "x$withval" != "xno" ; then
2348                         user_path="$withval"
2349                         SERVER_PATH_MSG="$withval"
2350                 fi
2351         ],
2352         [ if test "$USES_LOGIN_CONF" = "yes" ; then
2353         AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
2354         else
2355         AC_TRY_RUN(
2356                 [
2357 /* find out what STDPATH is */
2358 #include <stdio.h>
2359 #ifdef HAVE_PATHS_H
2360 # include <paths.h>
2361 #endif
2362 #ifndef _PATH_STDPATH
2363 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
2364 #endif
2365 #include <sys/types.h>
2366 #include <sys/stat.h>
2367 #include <fcntl.h>
2368 #define DATA "conftest.stdpath"
2369
2370 main()
2371 {
2372         FILE *fd;
2373         int rc;
2374
2375         fd = fopen(DATA,"w");
2376         if(fd == NULL)
2377                 exit(1);
2378
2379         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
2380                 exit(1);
2381
2382         exit(0);
2383 }
2384                 ], [ user_path=`cat conftest.stdpath` ],
2385                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
2386                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
2387         )
2388         fi ]
2389 )
2390 if test "$USES_LOGIN_CONF" != "yes" ; then
2391         AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
2392         AC_SUBST(user_path)
2393 fi
2394
2395 # Set superuser path separately to user path
2396 AC_ARG_WITH(superuser-path,
2397         [  --with-superuser-path=  Specify different path for super-user],
2398         [
2399                 if test "x$withval" != "xno" ; then
2400                         AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval")
2401                         superuser_path=$withval
2402                 fi
2403         ]
2404 )
2405
2406
2407 # Whether to force IPv4 by default (needed on broken glibc Linux)
2408 IPV4_HACK_MSG="no"
2409 AC_ARG_WITH(ipv4-default,
2410         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
2411         [
2412                 if test "x$withval" != "xno" ; then
2413                         AC_DEFINE(IPV4_DEFAULT)
2414                         IPV4_HACK_MSG="yes"
2415                 fi
2416         ]
2417 )
2418
2419 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
2420 IPV4_IN6_HACK_MSG="no"
2421 AC_ARG_WITH(4in6,
2422         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
2423         [
2424                 if test "x$withval" != "xno" ; then
2425                         AC_MSG_RESULT(yes)
2426                         AC_DEFINE(IPV4_IN_IPV6)
2427                         IPV4_IN6_HACK_MSG="yes"
2428                 else
2429                         AC_MSG_RESULT(no)
2430                 fi
2431         ],[
2432                 if test "x$inet6_default_4in6" = "xyes"; then
2433                         AC_MSG_RESULT([yes (default)])
2434                         AC_DEFINE(IPV4_IN_IPV6)
2435                         IPV4_IN6_HACK_MSG="yes"
2436                 else
2437                         AC_MSG_RESULT([no (default)])
2438                 fi
2439         ]
2440 )
2441
2442 # Whether to enable BSD auth support
2443 BSD_AUTH_MSG=no
2444 AC_ARG_WITH(bsd-auth,
2445         [  --with-bsd-auth         Enable BSD auth support],
2446         [
2447                 if test "x$withval" != "xno" ; then
2448                         AC_DEFINE(BSD_AUTH)
2449                         BSD_AUTH_MSG=yes
2450                 fi
2451         ]
2452 )
2453
2454 # Where to place sshd.pid
2455 piddir=/var/run
2456 # make sure the directory exists
2457 if test ! -d $piddir ; then
2458         piddir=`eval echo ${sysconfdir}`
2459         case $piddir in
2460                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
2461         esac
2462 fi
2463
2464 AC_ARG_WITH(pid-dir,
2465         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
2466         [
2467                 if test "x$withval" != "xno" ; then
2468                         piddir=$withval
2469                         if test ! -d $piddir ; then
2470                         AC_MSG_WARN([** no $piddir directory on this system **])
2471                         fi
2472                 fi
2473         ]
2474 )
2475
2476 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
2477 AC_SUBST(piddir)
2478
2479 dnl allow user to disable some login recording features
2480 AC_ARG_ENABLE(lastlog,
2481         [  --disable-lastlog       disable use of lastlog even if detected [no]],
2482         [ AC_DEFINE(DISABLE_LASTLOG) ]
2483 )
2484 AC_ARG_ENABLE(utmp,
2485         [  --disable-utmp          disable use of utmp even if detected [no]],
2486         [ AC_DEFINE(DISABLE_UTMP) ]
2487 )
2488 AC_ARG_ENABLE(utmpx,
2489         [  --disable-utmpx         disable use of utmpx even if detected [no]],
2490         [ AC_DEFINE(DISABLE_UTMPX) ]
2491 )
2492 AC_ARG_ENABLE(wtmp,
2493         [  --disable-wtmp          disable use of wtmp even if detected [no]],
2494         [ AC_DEFINE(DISABLE_WTMP) ]
2495 )
2496 AC_ARG_ENABLE(wtmpx,
2497         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
2498         [ AC_DEFINE(DISABLE_WTMPX) ]
2499 )
2500 AC_ARG_ENABLE(libutil,
2501         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
2502         [ AC_DEFINE(DISABLE_LOGIN) ]
2503 )
2504 AC_ARG_ENABLE(pututline,
2505         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
2506         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
2507 )
2508 AC_ARG_ENABLE(pututxline,
2509         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
2510         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
2511 )
2512 AC_ARG_WITH(lastlog,
2513   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
2514         [
2515                 if test "x$withval" = "xno" ; then
2516                         AC_DEFINE(DISABLE_LASTLOG)
2517                 else
2518                         conf_lastlog_location=$withval
2519                 fi
2520         ]
2521 )
2522
2523 dnl lastlog, [uw]tmpx? detection
2524 dnl  NOTE: set the paths in the platform section to avoid the
2525 dnl   need for command-line parameters
2526 dnl lastlog and [uw]tmp are subject to a file search if all else fails
2527
2528 dnl lastlog detection
2529 dnl  NOTE: the code itself will detect if lastlog is a directory
2530 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
2531 AC_TRY_COMPILE([
2532 #include <sys/types.h>
2533 #include <utmp.h>
2534 #ifdef HAVE_LASTLOG_H
2535 #  include <lastlog.h>
2536 #endif
2537 #ifdef HAVE_PATHS_H
2538 #  include <paths.h>
2539 #endif
2540 #ifdef HAVE_LOGIN_H
2541 # include <login.h>
2542 #endif
2543         ],
2544         [ char *lastlog = LASTLOG_FILE; ],
2545         [ AC_MSG_RESULT(yes) ],
2546         [
2547                 AC_MSG_RESULT(no)
2548                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
2549                 AC_TRY_COMPILE([
2550 #include <sys/types.h>
2551 #include <utmp.h>
2552 #ifdef HAVE_LASTLOG_H
2553 #  include <lastlog.h>
2554 #endif
2555 #ifdef HAVE_PATHS_H
2556 #  include <paths.h>
2557 #endif
2558                 ],
2559                 [ char *lastlog = _PATH_LASTLOG; ],
2560                 [ AC_MSG_RESULT(yes) ],
2561                 [
2562                         AC_MSG_RESULT(no)
2563                         system_lastlog_path=no
2564                 ])
2565         ]
2566 )
2567
2568 if test -z "$conf_lastlog_location"; then
2569         if test x"$system_lastlog_path" = x"no" ; then
2570                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
2571                                 if (test -d "$f" || test -f "$f") ; then
2572                                         conf_lastlog_location=$f
2573                                 fi
2574                 done
2575                 if test -z "$conf_lastlog_location"; then
2576                         AC_MSG_WARN([** Cannot find lastlog **])
2577                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
2578                 fi
2579         fi
2580 fi
2581
2582 if test -n "$conf_lastlog_location"; then
2583         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
2584 fi
2585
2586 dnl utmp detection
2587 AC_MSG_CHECKING([if your system defines UTMP_FILE])
2588 AC_TRY_COMPILE([
2589 #include <sys/types.h>
2590 #include <utmp.h>
2591 #ifdef HAVE_PATHS_H
2592 #  include <paths.h>
2593 #endif
2594         ],
2595         [ char *utmp = UTMP_FILE; ],
2596         [ AC_MSG_RESULT(yes) ],
2597         [ AC_MSG_RESULT(no)
2598           system_utmp_path=no ]
2599 )
2600 if test -z "$conf_utmp_location"; then
2601         if test x"$system_utmp_path" = x"no" ; then
2602                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
2603                         if test -f $f ; then
2604                                 conf_utmp_location=$f
2605                         fi
2606                 done
2607                 if test -z "$conf_utmp_location"; then
2608                         AC_DEFINE(DISABLE_UTMP)
2609                 fi
2610         fi
2611 fi
2612 if test -n "$conf_utmp_location"; then
2613         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
2614 fi
2615
2616 dnl wtmp detection
2617 AC_MSG_CHECKING([if your system defines WTMP_FILE])
2618 AC_TRY_COMPILE([
2619 #include <sys/types.h>
2620 #include <utmp.h>
2621 #ifdef HAVE_PATHS_H
2622 #  include <paths.h>
2623 #endif
2624         ],
2625         [ char *wtmp = WTMP_FILE; ],
2626         [ AC_MSG_RESULT(yes) ],
2627         [ AC_MSG_RESULT(no)
2628           system_wtmp_path=no ]
2629 )
2630 if test -z "$conf_wtmp_location"; then
2631         if test x"$system_wtmp_path" = x"no" ; then
2632                 for f in /usr/adm/wtmp /var/log/wtmp; do
2633                         if test -f $f ; then
2634                                 conf_wtmp_location=$f
2635                         fi
2636                 done
2637                 if test -z "$conf_wtmp_location"; then
2638                         AC_DEFINE(DISABLE_WTMP)
2639                 fi
2640         fi
2641 fi
2642 if test -n "$conf_wtmp_location"; then
2643         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
2644 fi
2645
2646
2647 dnl utmpx detection - I don't know any system so perverse as to require
2648 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
2649 dnl  there, though.
2650 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
2651 AC_TRY_COMPILE([
2652 #include <sys/types.h>
2653 #include <utmp.h>
2654 #ifdef HAVE_UTMPX_H
2655 #include <utmpx.h>
2656 #endif
2657 #ifdef HAVE_PATHS_H
2658 #  include <paths.h>
2659 #endif
2660         ],
2661         [ char *utmpx = UTMPX_FILE; ],
2662         [ AC_MSG_RESULT(yes) ],
2663         [ AC_MSG_RESULT(no)
2664           system_utmpx_path=no ]
2665 )
2666 if test -z "$conf_utmpx_location"; then
2667         if test x"$system_utmpx_path" = x"no" ; then
2668                 AC_DEFINE(DISABLE_UTMPX)
2669         fi
2670 else
2671         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
2672 fi
2673
2674 dnl wtmpx detection
2675 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
2676 AC_TRY_COMPILE([
2677 #include <sys/types.h>
2678 #include <utmp.h>
2679 #ifdef HAVE_UTMPX_H
2680 #include <utmpx.h>
2681 #endif
2682 #ifdef HAVE_PATHS_H
2683 #  include <paths.h>
2684 #endif
2685         ],
2686         [ char *wtmpx = WTMPX_FILE; ],
2687         [ AC_MSG_RESULT(yes) ],
2688         [ AC_MSG_RESULT(no)
2689           system_wtmpx_path=no ]
2690 )
2691 if test -z "$conf_wtmpx_location"; then
2692         if test x"$system_wtmpx_path" = x"no" ; then
2693                 AC_DEFINE(DISABLE_WTMPX)
2694         fi
2695 else
2696         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
2697 fi
2698
2699
2700 if test ! -z "$blibpath" ; then
2701         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
2702         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
2703 fi
2704
2705 dnl remove pam and dl because they are in $LIBPAM
2706 if test "$PAM_MSG" = yes ; then
2707         LIBS=`echo $LIBS | sed 's/-lpam //'`
2708 fi
2709 if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
2710         LIBS=`echo $LIBS | sed 's/-ldl //'`
2711 fi
2712
2713 AC_EXEEXT
2714 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
2715 AC_OUTPUT
2716
2717 # Print summary of options
2718
2719 # Someone please show me a better way :)
2720 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
2721 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
2722 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
2723 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
2724 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
2725 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
2726 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
2727 H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
2728 I=`eval echo ${user_path}` ; I=`eval echo ${I}`
2729 J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
2730
2731 echo ""
2732 echo "OpenSSH has been configured with the following options:"
2733 echo "                     User binaries: $B"
2734 echo "                   System binaries: $C"
2735 echo "               Configuration files: $D"
2736 echo "                   Askpass program: $E"
2737 echo "                      Manual pages: $F"
2738 echo "                          PID file: $G"
2739 echo "  Privilege separation chroot path: $H"
2740 if test "$USES_LOGIN_CONF" = "yes" ; then
2741 echo "   At runtime, sshd will use the path defined in /etc/login.conf"
2742 else
2743 echo "            sshd default user PATH: $I"
2744 fi
2745 if test ! -z "$superuser_path" ; then
2746 echo "          sshd superuser user PATH: $J"
2747 fi
2748 echo "                    Manpage format: $MANTYPE"
2749 echo "                       PAM support: ${PAM_MSG}"
2750 echo "                KerberosIV support: $KRB4_MSG"
2751 echo "                 KerberosV support: $KRB5_MSG"
2752 echo "                 Smartcard support: $SCARD_MSG"
2753 echo "                       AFS support: $AFS_MSG"
2754 echo "                     S/KEY support: $SKEY_MSG"
2755 echo "              TCP Wrappers support: $TCPW_MSG"
2756 echo "              MD5 password support: $MD5_MSG"
2757 echo "       IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
2758 echo "          Use IPv4 by default hack: $IPV4_HACK_MSG"
2759 echo "           Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
2760 echo "                  BSD Auth support: $BSD_AUTH_MSG"
2761 echo "              Random number source: $RAND_MSG"
2762 if test ! -z "$USE_RAND_HELPER" ; then
2763 echo "     ssh-rand-helper collects from: $RAND_HELPER_MSG"
2764 fi
2765
2766 echo ""
2767
2768 echo "              Host: ${host}"
2769 echo "          Compiler: ${CC}"
2770 echo "    Compiler flags: ${CFLAGS}"
2771 echo "Preprocessor flags: ${CPPFLAGS}"
2772 echo "      Linker flags: ${LDFLAGS}"
2773 echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
2774
2775 echo ""
2776
2777 if test "x$PAM_MSG" = "xyes" ; then
2778         echo "PAM is enabled. You may need to install a PAM control file "
2779         echo "for sshd, otherwise password authentication may fail. "
2780         echo "Example PAM control files can be found in the contrib/ "
2781         echo "subdirectory"
2782         echo ""
2783 fi
2784
2785 if test ! -z "$NO_SFTP"; then
2786         echo "sftp-server will be disabled.  Your compiler does not "
2787         echo "support 64bit integers."
2788         echo ""
2789 fi
2790
2791 if test ! -z "$RAND_HELPER_CMDHASH" ; then
2792         echo "WARNING: you are using the builtin random number collection "
2793         echo "service. Please read WARNING.RNG and request that your OS "
2794         echo "vendor includes kernel-based random number collection in "
2795         echo "future versions of your OS."
2796         echo ""
2797 fi
2798