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 $GSI_CPPFLAGS"
 657         INSTALL_GSISSH="yes"
 658 else
 659         INSTALL_GSISSH=""
 660 fi
 661 AC_SUBST(INSTALL_GSISSH)
 662 # End Globus/GSI section
 663
 664 # Check whether user wants S/Key support
 665 SKEY_MSG="no"
 666 AC_ARG_WITH(skey,
 667         [  --with-skey[[=PATH]]      Enable S/Key support
 668                             (optionally in PATH)],
 669         [
 670                 if test "x$withval" != "xno" ; then
 671
 672                         if test "x$withval" != "xyes" ; then
 673                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 674                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 675                         fi
 676
 677                         AC_DEFINE(SKEY)
 678                         LIBS="-lskey $LIBS"
 679                         SKEY_MSG="yes"
 680
 681                         AC_MSG_CHECKING([for s/key support])
 682                         AC_TRY_RUN(
 683                                 [
 684 #include <stdio.h>
 685 #include <skey.h>
 686 int main() { char *ff = skey_keyinfo(""); ff=""; exit(0); }
 687                                 ],
 688                                 [AC_MSG_RESULT(yes)],
 689                                 [
 690                                         AC_MSG_RESULT(no)
 691                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 692                                 ])
 693                 fi
 694         ]
 695 )
 696
 697 # Check whether user wants TCP wrappers support
 698 TCPW_MSG="no"
 699 AC_ARG_WITH(tcp-wrappers,
 700         [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
 701                             (optionally in PATH)],
 702         [
 703                 if test "x$withval" != "xno" ; then
 704                         saved_LIBS="$LIBS"
 705                         saved_LDFLAGS="$LDFLAGS"
 706                         saved_CPPFLAGS="$CPPFLAGS"
 707                         if test -n "${withval}" -a "${withval}" != "yes"; then
 708                                 if test -d "${withval}/lib"; then
 709                                         if test -n "${need_dash_r}"; then
 710                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 711                                         else
 712                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 713                                         fi
 714                                 else
 715                                         if test -n "${need_dash_r}"; then
 716                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 717                                         else
 718                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 719                                         fi
 720                                 fi
 721                                 if test -d "${withval}/include"; then
 722                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 723                                 else
 724                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 725                                 fi
 726                         fi
 727                         LIBWRAP="-lwrap"
 728                         LIBS="$LIBWRAP $LIBS"
 729                         AC_MSG_CHECKING(for libwrap)
 730                         AC_TRY_LINK(
 731                                 [
 732 #include <tcpd.h>
 733                                         int deny_severity = 0, allow_severity = 0;
 734                                 ],
 735                                 [hosts_access(0);],
 736                                 [
 737                                         AC_MSG_RESULT(yes)
 738                                         AC_DEFINE(LIBWRAP)
 739                                         AC_SUBST(LIBWRAP)
 740                                         TCPW_MSG="yes"
 741                                 ],
 742                                 [
 743                                         AC_MSG_ERROR([*** libwrap missing])
 744                                 ]
 745                         )
 746                         LIBS="$saved_LIBS"
 747                 fi
 748         ]
 749 )
 750
 751 dnl    Checks for library functions.
 752 AC_CHECK_FUNCS(arc4random b64_ntop bcopy bindresvport_sa \
 753         clock fchmod fchown freeaddrinfo futimes gai_strerror \
 754         getaddrinfo getcwd getgrouplist getnameinfo getopt getpeereid\
 755         getrlimit getrusage getttyent glob inet_aton inet_ntoa \
 756         inet_ntop innetgr login_getcapbool md5_crypt memmove \
 757         mkdtemp mmap ngetaddrinfo openpty ogetaddrinfo readpassphrase \
 758         realpath recvmsg rresvport_af sendmsg setdtablesize setegid \
 759         setenv seteuid setgroups setlogin setproctitle setresgid setreuid \
 760         setrlimit setsid setpcred setvbuf sigaction sigvec snprintf \
 761         socketpair strerror strlcat strlcpy strmode strsep sysconf tcgetpgrp \
 762         truncate utimes vhangup vsnprintf waitpid __b64_ntop _getpty)
 763
 764 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 765 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 766         AC_CHECK_LIB(gen, dirname,[
 767                 AC_CACHE_CHECK([for broken dirname],
 768                         ac_cv_have_broken_dirname, [
 769                         save_LIBS="$LIBS"
 770                         LIBS="$LIBS -lgen"
 771                         AC_TRY_RUN(
 772                                 [
 773 #include <libgen.h>
 774 #include <string.h>
 775
 776 int main(int argc, char **argv) {
 777     char *s, buf[32];
 778
 779     strncpy(buf,"/etc", 32);
 780     s = dirname(buf);
 781     if (!s || strncmp(s, "/", 32) != 0) {
 782         exit(1);
 783     } else {
 784         exit(0);
 785     }
 786 }
 787                                 ],
 788                                 [ ac_cv_have_broken_dirname="no" ],
 789                                 [ ac_cv_have_broken_dirname="yes" ]
 790                         )
 791                         LIBS="$save_LIBS"
 792                 ])
 793                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 794                         LIBS="$LIBS -lgen"
 795                         AC_DEFINE(HAVE_DIRNAME)
 796                         AC_CHECK_HEADERS(libgen.h)
 797                 fi
 798         ])
 799 ])
 800
 801 dnl    Checks for time functions
 802 AC_CHECK_FUNCS(gettimeofday time)
 803 dnl    Checks for utmp functions
 804 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 805 AC_CHECK_FUNCS(utmpname)
 806 dnl    Checks for utmpx functions
 807 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 808 AC_CHECK_FUNCS(setutxent utmpxname)
 809
 810 AC_CHECK_FUNC(daemon,
 811         [AC_DEFINE(HAVE_DAEMON)],
 812         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 813 )
 814
 815 AC_CHECK_FUNC(getpagesize,
 816         [AC_DEFINE(HAVE_GETPAGESIZE)],
 817         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 818 )
 819
 820 # Check for broken snprintf
 821 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 822         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 823         AC_TRY_RUN(
 824                 [
 825 #include <stdio.h>
 826 int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');}
 827                 ],
 828                 [AC_MSG_RESULT(yes)],
 829                 [
 830                         AC_MSG_RESULT(no)
 831                         AC_DEFINE(BROKEN_SNPRINTF)
 832                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 833                 ]
 834         )
 835 fi
 836
 837 AC_FUNC_GETPGRP
 838
 839 # Check for PAM libs
 840 PAM_MSG="no"
 841 AC_ARG_WITH(pam,
 842         [  --with-pam              Enable PAM support ],
 843         [
 844                 if test "x$withval" != "xno" ; then
 845                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 846                                 AC_MSG_ERROR([PAM headers not found])
 847                         fi
 848
 849                         AC_CHECK_LIB(dl, dlopen, , )
 850                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 851                         AC_CHECK_FUNCS(pam_getenvlist)
 852                         AC_CHECK_FUNCS(pam_putenv)
 853
 854                         disable_shadow=yes
 855                         PAM_MSG="yes"
 856
 857                         AC_DEFINE(USE_PAM)
 858                         if test $ac_cv_lib_dl_dlopen = yes; then
 859                                 LIBPAM="-lpam -ldl"
 860                         else
 861                                 LIBPAM="-lpam"
 862                         fi
 863
 864                         AC_SUBST(LIBPAM)
 865                 fi
 866         ]
 867 )
 868
 869 # Check for older PAM
 870 if test "x$PAM_MSG" = "xyes" ; then
 871         # Check PAM strerror arguments (old PAM)
 872         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 873         AC_TRY_COMPILE(
 874                 [
 875 #include <stdlib.h>
 876 #include <security/pam_appl.h>
 877                 ],
 878                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 879                 [AC_MSG_RESULT(no)],
 880                 [
 881                         AC_DEFINE(HAVE_OLD_PAM)
 882                         AC_MSG_RESULT(yes)
 883                         PAM_MSG="yes (old library)"
 884                 ]
 885         )
 886 fi
 887
 888 # Some systems want crypt() from libcrypt, *not* the version in OpenSSL,
 889 # because the system crypt() is more featureful.
 890 if test "x$check_for_libcrypt_before" = "x1"; then
 891         AC_CHECK_LIB(crypt, crypt)
 892 fi
 893
 894 # Search for OpenSSL
 895 saved_CPPFLAGS="$CPPFLAGS"
 896 saved_LDFLAGS="$LDFLAGS"
 897 AC_ARG_WITH(ssl-dir,
 898         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 899         [
 900                 if test "x$withval" != "xno" ; then
 901                         if test -d "$withval/lib"; then
 902                                 if test -n "${need_dash_r}"; then
 903                                         LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 904                                 else
 905                                         LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 906                                 fi
 907                         else
 908                                 if test -n "${need_dash_r}"; then
 909                                         LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 910                                 else
 911                                         LDFLAGS="-L${withval} ${LDFLAGS}"
 912                                 fi
 913                         fi
 914                         if test -d "$withval/include"; then
 915                                 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 916                         else
 917                                 CPPFLAGS="-I${withval} ${CPPFLAGS}"
 918                         fi
 919                 fi
 920         ]
 921 )
 922
 923 # Patch up SSL libraries for GSI authentication as needed
 924 if test "x$globus_flavor_type" != "xno" ; then
 925         #
 926         # For Globus 2, always link with the static libraries
 927         #
 928
 929         libssl_utils="${gsi_path}/lib/libglobus_ssl_utils_${globus_flavor_type}.a"
 930
 931         #
 932         # Trouble arrives at GT 2.1.3+ with the reorg of globus_ssl_utils.  Compensating for
 933         # the new library linking required here through file tests to see which libraries to
 934         # link against.
 935         #
 936
 937         libgsi_proxy_core="${gsi_path}/lib/libglobus_gsi_proxy_core_${globus_flavor_type}.a"
 938         libgsi_credential="${gsi_path}/lib/libglobus_gsi_credential_${globus_flavor_type}.a"
 939         libgsi_callback="${gsi_path}/lib/libglobus_gsi_callback_${globus_flavor_type}.a"
 940         liboldgaa="${gsi_path}/lib/libglobus_oldgaa_${globus_flavor_type}.a"
 941         libgsi_sysconfig="${gsi_path}/lib/libglobus_gsi_sysconfig_${globus_flavor_type}.a"
 942         libproxy_ssl="${gsi_path}/lib/libglobus_proxy_ssl_${globus_flavor_type}.a"
 943         libgsi_cert_utils="${gsi_path}/lib/libglobus_gsi_cert_utils_${globus_flavor_type}.a"
 944         libopenssl_error="${gsi_path}/lib/libglobus_openssl_error_${globus_flavor_type}.a"
 945         libopenssl="${gsi_path}/lib/libglobus_openssl_${globus_flavor_type}.a"
 946
 947         if test -r ${libgsi_proxy_core} \
 948              -a -r ${libgsi_credential} \
 949              -a -r ${libgsi_callback} \
 950              -a -r ${liboldgaa} \
 951              -a -r ${libgsi_sysconfig} \
 952              -a -r ${libproxy_ssl} \
 953              -a -r ${libgsi_cert_utils} \
 954              -a -r ${libopenssl_error} \
 955              -a -r ${libopenssl} ; then
 956                 LIBS="$LIBS ${libgsi_proxy_core}"
 957                 LIBS="$LIBS ${libgsi_credential}"
 958                 LIBS="$LIBS ${libgsi_callback}"
 959                 LIBS="$LIBS ${liboldgaa}"
 960                 LIBS="$LIBS ${libgsi_sysconfig}"
 961                 LIBS="$LIBS ${libproxy_ssl}"
 962                 LIBS="$LIBS ${libgsi_cert_utils}"
 963                 LIBS="$LIBS ${libopenssl_error}"
 964                 LIBS="$LIBS ${libopenssl}"
 965         elif test -r ${libssl_utils}; then
 966                 LIBS="$LIBS ${libssl_utils}"
 967         else
 968                 AC_MSG_ERROR([*** missing one or more Globus GSI libraries])
 969         fi
 970
 971         AC_MSG_CHECKING(for Globus GSI libraries)
 972         AC_TRY_LINK(
 973                 [],
 974                 [],
 975                 [
 976                         AC_MSG_RESULT(yes)
 977                 ],
 978                 [
 979                         AC_MSG_ERROR([*** missing one or more Globus GSI libraries])
 980                 ]
 981         )
 982
 983         #
 984         # Standard openssl libraries.  They need to appear near the end of the link line.
 985         #
 986
 987         LIBS="$LIBS ${gsi_path}/lib/libssl_${globus_flavor_type}.a"
 988         LIBS="$LIBS ${gsi_path}/lib/libcrypto_${globus_flavor_type}.a"
 989
 990         AC_MSG_CHECKING(for Globus OpenSSL libraries)
 991         AC_TRY_LINK(
 992                 [],
 993                 [],
 994                 [
 995                         AC_MSG_RESULT(yes)
 996                 ],
 997                 [
 998                         AC_MSG_ERROR([*** missing one or more Globus OpenSSL libraries])
 999                 ]
1000         )
1001
1002         #
1003         # Another "GT 2.1.3+"ism.
1004         #
1005
1006         libcommon_path="${gsi_path}/lib/libglobus_common_${globus_flavor_type}.a"
1007         if test -r ${libcommon_path}; then
1008                 LIBS="$LIBS ${libcommon_path}"
1009                 AC_MSG_CHECKING(for libglobus_common)
1010                 AC_TRY_LINK(
1011                         [],
1012                         [],
1013                         [
1014                                 AC_MSG_RESULT(yes)
1015                         ],
1016                         [
1017                                 AC_MSG_ERROR([*** libglobus_common missing])
1018                         ]
1019                 )
1020         fi
1021 else
1022         if test "x$gsi_path" != "xno" ; then
1023                 # Older GSI needs -lssl too
1024                 LIBS="$LIBS -lssl -lcrypto"
1025         else # if no GSI authentication (i.e., OpenSSL default)
1026                 LIBS="$LIBS -lcrypto"
1027         fi
1028 fi # globus_flavor_type
1029
1030 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
1031         [
1032                 dnl Check default openssl install dir
1033                 if test -n "${need_dash_r}"; then
1034                         LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
1035                 else
1036                         LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
1037                 fi
1038                 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
1039                 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
1040                         [
1041                                 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
1042                         ]
1043                 )
1044         ]
1045 )
1046
1047 # Determine OpenSSL header version
1048 AC_MSG_CHECKING([OpenSSL header version])
1049 AC_TRY_RUN(
1050         [
1051 #include <stdio.h>
1052 #include <string.h>
1053 #include <openssl/opensslv.h>
1054 #define DATA "conftest.sslincver"
1055 int main(void) {
1056         FILE *fd;
1057         int rc;
1058
1059         fd = fopen(DATA,"w");
1060         if(fd == NULL)
1061                 exit(1);
1062
1063         if ((rc = fprintf(fd ,"%x (%s)\n", OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT)) <0)
1064                 exit(1);
1065
1066         exit(0);
1067 }
1068         ],
1069         [
1070                 ssl_header_ver=`cat conftest.sslincver`
1071                 AC_MSG_RESULT($ssl_header_ver)
1072         ],
1073         [
1074                 AC_MSG_RESULT(not found)
1075                 AC_MSG_ERROR(OpenSSL version header not found.)
1076         ]
1077 )
1078
1079 # Determine OpenSSL library version
1080 AC_MSG_CHECKING([OpenSSL library version])
1081 AC_TRY_RUN(
1082         [
1083 #include <stdio.h>
1084 #include <string.h>
1085 #include <openssl/opensslv.h>
1086 #include <openssl/crypto.h>
1087 #define DATA "conftest.ssllibver"
1088 int main(void) {
1089         FILE *fd;
1090         int rc;
1091
1092         fd = fopen(DATA,"w");
1093         if(fd == NULL)
1094                 exit(1);
1095
1096         if ((rc = fprintf(fd ,"%x (%s)\n", SSLeay(), SSLeay_version(SSLEAY_VERSION))) <0)
1097                 exit(1);
1098
1099         exit(0);
1100 }
1101         ],
1102         [
1103                 ssl_library_ver=`cat conftest.ssllibver`
1104                 AC_MSG_RESULT($ssl_library_ver)
1105         ],
1106         [
1107                 AC_MSG_RESULT(not found)
1108                 AC_MSG_ERROR(OpenSSL library not found.)
1109         ]
1110 )
1111
1112 # Sanity check OpenSSL headers
1113 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
1114 AC_TRY_RUN(
1115         [
1116 #include <string.h>
1117 #include <openssl/opensslv.h>
1118 int main(void) { exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
1119         ],
1120         [
1121                 AC_MSG_RESULT(yes)
1122         ],
1123         [
1124                 AC_MSG_RESULT(no)
1125                 AC_MSG_ERROR(Your OpenSSL headers do not match your library)
1126         ]
1127 )
1128
1129 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
1130 # version in OpenSSL. Skip this for PAM
1131 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
1132         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
1133 fi
1134
1135
1136 ### Configure cryptographic random number support
1137
1138 # Check wheter OpenSSL seeds itself
1139 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
1140 AC_TRY_RUN(
1141         [
1142 #include <string.h>
1143 #include <openssl/rand.h>
1144 int main(void) { exit(RAND_status() == 1 ? 0 : 1); }
1145         ],
1146         [
1147                 OPENSSL_SEEDS_ITSELF=yes
1148                 AC_MSG_RESULT(yes)
1149         ],
1150         [
1151                 AC_MSG_RESULT(no)
1152                 # Default to use of the rand helper if OpenSSL doesn't
1153                 # seed itself
1154                 USE_RAND_HELPER=yes
1155         ]
1156 )
1157
1158
1159 # Do we want to force the use of the rand helper?
1160 AC_ARG_WITH(rand-helper,
1161         [  --with-rand-helper      Use subprocess to gather strong randomness ],
1162         [
1163                 if test "x$withval" = "xno" ; then
1164                         # Force use of OpenSSL's internal RNG, even if
1165                         # the previous test showed it to be unseeded.
1166                         if test -z "$OPENSSL_SEEDS_ITSELF" ; then
1167                                 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
1168                                 OPENSSL_SEEDS_ITSELF=yes
1169                                 USE_RAND_HELPER=""
1170                         fi
1171                 else
1172                         USE_RAND_HELPER=yes
1173                 fi
1174         ],
1175 )
1176
1177 # Which randomness source do we use?
1178 if test ! -z "$OPENSSL_SEEDS_ITSELF" -a -z "$USE_RAND_HELPER" ; then
1179         # OpenSSL only
1180         AC_DEFINE(OPENSSL_PRNG_ONLY)
1181         RAND_MSG="OpenSSL internal ONLY"
1182         INSTALL_SSH_RAND_HELPER=""
1183 elif test ! -z "$USE_RAND_HELPER" ; then
1184         # install rand helper
1185         RAND_MSG="ssh-rand-helper"
1186         INSTALL_SSH_RAND_HELPER="yes"
1187 fi
1188 AC_SUBST(INSTALL_SSH_RAND_HELPER)
1189
1190 ### Configuration of ssh-rand-helper
1191
1192 # PRNGD TCP socket
1193 AC_ARG_WITH(prngd-port,
1194         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD TCP localhost:PORT],
1195         [
1196                 case "$withval" in
1197                 no)
1198                         withval=""
1199                         ;;
1200                 [[0-9]]*)
1201                         ;;
1202                 *)
1203                         AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
1204                         ;;
1205                 esac
1206                 if test ! -z "$withval" ; then
1207                         PRNGD_PORT="$withval"
1208                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
1209                 fi
1210         ]
1211 )
1212
1213 # PRNGD Unix domain socket
1214 AC_ARG_WITH(prngd-socket,
1215         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1216         [
1217                 case "$withval" in
1218                 yes)
1219                         withval="/var/run/egd-pool"
1220                         ;;
1221                 no)
1222                         withval=""
1223                         ;;
1224                 /*)
1225                         ;;
1226                 *)
1227                         AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
1228                         ;;
1229                 esac
1230
1231                 if test ! -z "$withval" ; then
1232                         if test ! -z "$PRNGD_PORT" ; then
1233                                 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
1234                         fi
1235                         if test ! -r "$withval" ; then
1236                                 AC_MSG_WARN(Entropy socket is not readable)
1237                         fi
1238                         PRNGD_SOCKET="$withval"
1239                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1240                 fi
1241         ],
1242         [
1243                 # Check for existing socket only if we don't have a random device already
1244                 if test "$USE_RAND_HELPER" = yes ; then
1245                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1246                         # Insert other locations here
1247                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1248                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1249                                         PRNGD_SOCKET="$sock"
1250                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1251                                         break;
1252                                 fi
1253                         done
1254                         if test ! -z "$PRNGD_SOCKET" ; then
1255                                 AC_MSG_RESULT($PRNGD_SOCKET)
1256                         else
1257                                 AC_MSG_RESULT(not found)
1258                         fi
1259                 fi
1260         ]
1261 )
1262
1263 # Change default command timeout for hashing entropy source
1264 entropy_timeout=200
1265 AC_ARG_WITH(entropy-timeout,
1266         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1267         [
1268                 if test "x$withval" != "xno" ; then
1269                         entropy_timeout=$withval
1270                 fi
1271         ]
1272 )
1273 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1274
1275 SSH_PRIVSEP_USER=sshd
1276 AC_ARG_WITH(privsep-user,
1277         [  --with-privsep-user=user Specify non-privileged user for privilege separation],
1278         [
1279                 if test -n "$withval"; then
1280                         SSH_PRIVSEP_USER=$withval
1281                 fi
1282         ]
1283 )
1284 AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$SSH_PRIVSEP_USER")
1285 AC_SUBST(SSH_PRIVSEP_USER)
1286
1287 # We do this little dance with the search path to insure
1288 # that programs that we select for use by installed programs
1289 # (which may be run by the super-user) come from trusted
1290 # locations before they come from the user's private area.
1291 # This should help avoid accidentally configuring some
1292 # random version of a program in someone's personal bin.
1293
1294 OPATH=$PATH
1295 PATH=/bin:/usr/bin
1296 test -h /bin 2> /dev/null && PATH=/usr/bin
1297 test -d /sbin && PATH=$PATH:/sbin
1298 test -d /usr/sbin && PATH=$PATH:/usr/sbin
1299 PATH=$PATH:/etc:$OPATH
1300
1301 # These programs are used by the command hashing source to gather entropy
1302 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1303 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1304 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1305 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1306 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
1307 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1308 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
1309 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1310 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1311 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1312 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1313 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1314 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1315 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1316 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1317 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1318 # restore PATH
1319 PATH=$OPATH
1320
1321 # Where does ssh-rand-helper get its randomness from?
1322 INSTALL_SSH_PRNG_CMDS=""
1323 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
1324         if test ! -z "$PRNGD_PORT" ; then
1325                 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
1326         elif test ! -z "$PRNGD_SOCKET" ; then
1327                 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
1328         else
1329                 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
1330                 RAND_HELPER_CMDHASH=yes
1331                 INSTALL_SSH_PRNG_CMDS="yes"
1332         fi
1333 fi
1334 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1335
1336
1337 # Cheap hack to ensure NEWS-OS libraries are arranged right.
1338 if test ! -z "$SONY" ; then
1339   LIBS="$LIBS -liberty";
1340 fi
1341
1342 # Checks for data types
1343 AC_CHECK_SIZEOF(char, 1)
1344 AC_CHECK_SIZEOF(short int, 2)
1345 AC_CHECK_SIZEOF(int, 4)
1346 AC_CHECK_SIZEOF(long int, 4)
1347 AC_CHECK_SIZEOF(long long int, 8)
1348
1349 # Sanity check long long for some platforms (AIX)
1350 if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
1351         ac_cv_sizeof_long_long_int=0
1352 fi
1353
1354 # More checks for data types
1355 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
1356         AC_TRY_COMPILE(
1357                 [ #include <sys/types.h> ],
1358                 [ u_int a; a = 1;],
1359                 [ ac_cv_have_u_int="yes" ],
1360                 [ ac_cv_have_u_int="no" ]
1361         )
1362 ])
1363 if test "x$ac_cv_have_u_int" = "xyes" ; then
1364         AC_DEFINE(HAVE_U_INT)
1365         have_u_int=1
1366 fi
1367
1368 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
1369         AC_TRY_COMPILE(
1370                 [ #include <sys/types.h> ],
1371                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1372                 [ ac_cv_have_intxx_t="yes" ],
1373                 [ ac_cv_have_intxx_t="no" ]
1374         )
1375 ])
1376 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
1377         AC_DEFINE(HAVE_INTXX_T)
1378         have_intxx_t=1
1379 fi
1380
1381 if (test -z "$have_intxx_t" && \
1382            test "x$ac_cv_header_stdint_h" = "xyes")
1383 then
1384     AC_MSG_CHECKING([for intXX_t types in stdint.h])
1385         AC_TRY_COMPILE(
1386                 [ #include <stdint.h> ],
1387                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1388                 [
1389                         AC_DEFINE(HAVE_INTXX_T)
1390                         AC_MSG_RESULT(yes)
1391                 ],
1392                 [ AC_MSG_RESULT(no) ]
1393         )
1394 fi
1395
1396 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
1397         AC_TRY_COMPILE(
1398                 [
1399 #include <sys/types.h>
1400 #ifdef HAVE_STDINT_H
1401 # include <stdint.h>
1402 #endif
1403 #include <sys/socket.h>
1404 #ifdef HAVE_SYS_BITYPES_H
1405 # include <sys/bitypes.h>
1406 #endif
1407                 ],
1408                 [ int64_t a; a = 1;],
1409                 [ ac_cv_have_int64_t="yes" ],
1410                 [ ac_cv_have_int64_t="no" ]
1411         )
1412 ])
1413 if test "x$ac_cv_have_int64_t" = "xyes" ; then
1414         AC_DEFINE(HAVE_INT64_T)
1415 fi
1416
1417 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
1418         AC_TRY_COMPILE(
1419                 [ #include <sys/types.h> ],
1420                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1421                 [ ac_cv_have_u_intxx_t="yes" ],
1422                 [ ac_cv_have_u_intxx_t="no" ]
1423         )
1424 ])
1425 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
1426         AC_DEFINE(HAVE_U_INTXX_T)
1427         have_u_intxx_t=1
1428 fi
1429
1430 if test -z "$have_u_intxx_t" ; then
1431     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
1432         AC_TRY_COMPILE(
1433                 [ #include <sys/socket.h> ],
1434                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1435                 [
1436                         AC_DEFINE(HAVE_U_INTXX_T)
1437                         AC_MSG_RESULT(yes)
1438                 ],
1439                 [ AC_MSG_RESULT(no) ]
1440         )
1441 fi
1442
1443 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
1444         AC_TRY_COMPILE(
1445                 [ #include <sys/types.h> ],
1446                 [ u_int64_t a; a = 1;],
1447                 [ ac_cv_have_u_int64_t="yes" ],
1448                 [ ac_cv_have_u_int64_t="no" ]
1449         )
1450 ])
1451 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
1452         AC_DEFINE(HAVE_U_INT64_T)
1453         have_u_int64_t=1
1454 fi
1455
1456 if test -z "$have_u_int64_t" ; then
1457     AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
1458         AC_TRY_COMPILE(
1459                 [ #include <sys/bitypes.h> ],
1460                 [ u_int64_t a; a = 1],
1461                 [
1462                         AC_DEFINE(HAVE_U_INT64_T)
1463                         AC_MSG_RESULT(yes)
1464                 ],
1465                 [ AC_MSG_RESULT(no) ]
1466         )
1467 fi
1468
1469 if test -z "$have_u_intxx_t" ; then
1470         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
1471                 AC_TRY_COMPILE(
1472                         [
1473 #include <sys/types.h>
1474                         ],
1475                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
1476                         [ ac_cv_have_uintxx_t="yes" ],
1477                         [ ac_cv_have_uintxx_t="no" ]
1478                 )
1479         ])
1480         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
1481                 AC_DEFINE(HAVE_UINTXX_T)
1482         fi
1483 fi
1484
1485 if test -z "$have_uintxx_t" ; then
1486     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
1487         AC_TRY_COMPILE(
1488                 [ #include <stdint.h> ],
1489                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
1490                 [
1491                         AC_DEFINE(HAVE_UINTXX_T)
1492                         AC_MSG_RESULT(yes)
1493                 ],
1494                 [ AC_MSG_RESULT(no) ]
1495         )
1496 fi
1497
1498 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
1499            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
1500 then
1501         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
1502         AC_TRY_COMPILE(
1503                 [
1504 #include <sys/bitypes.h>
1505                 ],
1506                 [
1507                         int8_t a; int16_t b; int32_t c;
1508                         u_int8_t e; u_int16_t f; u_int32_t g;
1509                         a = b = c = e = f = g = 1;
1510                 ],
1511                 [
1512                         AC_DEFINE(HAVE_U_INTXX_T)
1513                         AC_DEFINE(HAVE_INTXX_T)
1514                         AC_MSG_RESULT(yes)
1515                 ],
1516                 [AC_MSG_RESULT(no)]
1517         )
1518 fi
1519
1520
1521 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
1522         AC_TRY_COMPILE(
1523                 [
1524 #include <sys/types.h>
1525                 ],
1526                 [ u_char foo; foo = 125; ],
1527                 [ ac_cv_have_u_char="yes" ],
1528                 [ ac_cv_have_u_char="no" ]
1529         )
1530 ])
1531 if test "x$ac_cv_have_u_char" = "xyes" ; then
1532         AC_DEFINE(HAVE_U_CHAR)
1533 fi
1534
1535 TYPE_SOCKLEN_T
1536
1537 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
1538
1539 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
1540         AC_TRY_COMPILE(
1541                 [
1542 #include <sys/types.h>
1543                 ],
1544                 [ size_t foo; foo = 1235; ],
1545                 [ ac_cv_have_size_t="yes" ],
1546                 [ ac_cv_have_size_t="no" ]
1547         )
1548 ])
1549 if test "x$ac_cv_have_size_t" = "xyes" ; then
1550         AC_DEFINE(HAVE_SIZE_T)
1551 fi
1552
1553 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
1554         AC_TRY_COMPILE(
1555                 [
1556 #include <sys/types.h>
1557                 ],
1558                 [ ssize_t foo; foo = 1235; ],
1559                 [ ac_cv_have_ssize_t="yes" ],
1560                 [ ac_cv_have_ssize_t="no" ]
1561         )
1562 ])
1563 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
1564         AC_DEFINE(HAVE_SSIZE_T)
1565 fi
1566
1567 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
1568         AC_TRY_COMPILE(
1569                 [
1570 #include <time.h>
1571                 ],
1572                 [ clock_t foo; foo = 1235; ],
1573                 [ ac_cv_have_clock_t="yes" ],
1574                 [ ac_cv_have_clock_t="no" ]
1575         )
1576 ])
1577 if test "x$ac_cv_have_clock_t" = "xyes" ; then
1578         AC_DEFINE(HAVE_CLOCK_T)
1579 fi
1580
1581 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
1582         AC_TRY_COMPILE(
1583                 [
1584 #include <sys/types.h>
1585 #include <sys/socket.h>
1586                 ],
1587                 [ sa_family_t foo; foo = 1235; ],
1588                 [ ac_cv_have_sa_family_t="yes" ],
1589                 [ AC_TRY_COMPILE(
1590                   [
1591 #include <sys/types.h>
1592 #include <sys/socket.h>
1593 #include <netinet/in.h>
1594                 ],
1595                 [ sa_family_t foo; foo = 1235; ],
1596                 [ ac_cv_have_sa_family_t="yes" ],
1597
1598                 [ ac_cv_have_sa_family_t="no" ]
1599         )]
1600         )
1601 ])
1602 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
1603         AC_DEFINE(HAVE_SA_FAMILY_T)
1604 fi
1605
1606 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
1607         AC_TRY_COMPILE(
1608                 [
1609 #include <sys/types.h>
1610                 ],
1611                 [ pid_t foo; foo = 1235; ],
1612                 [ ac_cv_have_pid_t="yes" ],
1613                 [ ac_cv_have_pid_t="no" ]
1614         )
1615 ])
1616 if test "x$ac_cv_have_pid_t" = "xyes" ; then
1617         AC_DEFINE(HAVE_PID_T)
1618 fi
1619
1620 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
1621         AC_TRY_COMPILE(
1622                 [
1623 #include <sys/types.h>
1624                 ],
1625                 [ mode_t foo; foo = 1235; ],
1626                 [ ac_cv_have_mode_t="yes" ],
1627                 [ ac_cv_have_mode_t="no" ]
1628         )
1629 ])
1630 if test "x$ac_cv_have_mode_t" = "xyes" ; then
1631         AC_DEFINE(HAVE_MODE_T)
1632 fi
1633
1634
1635 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
1636         AC_TRY_COMPILE(
1637                 [
1638 #include <sys/types.h>
1639 #include <sys/socket.h>
1640                 ],
1641                 [ struct sockaddr_storage s; ],
1642                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
1643                 [ ac_cv_have_struct_sockaddr_storage="no" ]
1644         )
1645 ])
1646 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
1647         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
1648 fi
1649
1650 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
1651         AC_TRY_COMPILE(
1652                 [
1653 #include <sys/types.h>
1654 #include <netinet/in.h>
1655                 ],
1656                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1657                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1658                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1659         )
1660 ])
1661 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1662         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1663 fi
1664
1665 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1666         AC_TRY_COMPILE(
1667                 [
1668 #include <sys/types.h>
1669 #include <netinet/in.h>
1670                 ],
1671                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1672                 [ ac_cv_have_struct_in6_addr="yes" ],
1673                 [ ac_cv_have_struct_in6_addr="no" ]
1674         )
1675 ])
1676 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1677         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1678 fi
1679
1680 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1681         AC_TRY_COMPILE(
1682                 [
1683 #include <sys/types.h>
1684 #include <sys/socket.h>
1685 #include <netdb.h>
1686                 ],
1687                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1688                 [ ac_cv_have_struct_addrinfo="yes" ],
1689                 [ ac_cv_have_struct_addrinfo="no" ]
1690         )
1691 ])
1692 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1693         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1694 fi
1695
1696 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1697         AC_TRY_COMPILE(
1698                 [ #include <sys/time.h> ],
1699                 [ struct timeval tv; tv.tv_sec = 1;],
1700                 [ ac_cv_have_struct_timeval="yes" ],
1701                 [ ac_cv_have_struct_timeval="no" ]
1702         )
1703 ])
1704 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1705         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1706         have_struct_timeval=1
1707 fi
1708
1709 # If we don't have int64_t then we can't compile sftp-server.  So don't
1710 # even attempt to do it.
1711 if test "x$ac_cv_have_int64_t" = "xno" -a \
1712         "x$ac_cv_sizeof_long_int" != "x8" -a \
1713         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1714         NO_SFTP='#'
1715 else
1716 dnl test snprintf (broken on SCO w/gcc)
1717         AC_TRY_RUN(
1718                 [
1719 #include <stdio.h>
1720 #include <string.h>
1721 #ifdef HAVE_SNPRINTF
1722 main()
1723 {
1724         char buf[50];
1725         char expected_out[50];
1726         int mazsize = 50 ;
1727 #if (SIZEOF_LONG_INT == 8)
1728         long int num = 0x7fffffffffffffff;
1729 #else
1730         long long num = 0x7fffffffffffffffll;
1731 #endif
1732         strcpy(expected_out, "9223372036854775807");
1733         snprintf(buf, mazsize, "%lld", num);
1734         if(strcmp(buf, expected_out) != 0)
1735                 exit(1);
1736         exit(0);
1737 }
1738 #else
1739 main() { exit(0); }
1740 #endif
1741                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1742         )
1743 fi
1744 AC_SUBST(NO_SFTP)
1745
1746 dnl Checks for structure members
1747 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1748 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1749 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1750 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1751 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1752 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1753 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1754 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1755 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1756 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1757 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1758 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1759 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1760 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1761 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1762 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1763 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1764
1765 AC_CHECK_MEMBERS([struct stat.st_blksize])
1766
1767 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1768                 ac_cv_have_ss_family_in_struct_ss, [
1769         AC_TRY_COMPILE(
1770                 [
1771 #include <sys/types.h>
1772 #include <sys/socket.h>
1773                 ],
1774                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1775                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1776                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1777         )
1778 ])
1779 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1780         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1781 fi
1782
1783 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1784                 ac_cv_have___ss_family_in_struct_ss, [
1785         AC_TRY_COMPILE(
1786                 [
1787 #include <sys/types.h>
1788 #include <sys/socket.h>
1789                 ],
1790                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1791                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1792                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1793         )
1794 ])
1795 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1796         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1797 fi
1798
1799 AC_CACHE_CHECK([for pw_class field in struct passwd],
1800                 ac_cv_have_pw_class_in_struct_passwd, [
1801         AC_TRY_COMPILE(
1802                 [
1803 #include <pwd.h>
1804                 ],
1805                 [ struct passwd p; p.pw_class = 0; ],
1806                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1807                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1808         )
1809 ])
1810 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1811         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1812 fi
1813
1814 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1815                 ac_cv_have_pw_expire_in_struct_passwd, [
1816         AC_TRY_COMPILE(
1817                 [
1818 #include <pwd.h>
1819                 ],
1820                 [ struct passwd p; p.pw_expire = 0; ],
1821                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1822                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1823         )
1824 ])
1825 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1826         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1827 fi
1828
1829 AC_CACHE_CHECK([for pw_change field in struct passwd],
1830                 ac_cv_have_pw_change_in_struct_passwd, [
1831         AC_TRY_COMPILE(
1832                 [
1833 #include <pwd.h>
1834                 ],
1835                 [ struct passwd p; p.pw_change = 0; ],
1836                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1837                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1838         )
1839 ])
1840 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1841         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1842 fi
1843
1844 dnl make sure we're using the real structure members and not defines
1845 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
1846                 ac_cv_have_accrights_in_msghdr, [
1847         AC_TRY_RUN(
1848                 [
1849 #include <sys/types.h>
1850 #include <sys/socket.h>
1851 #include <sys/uio.h>
1852 int main() {
1853 #ifdef msg_accrights
1854 exit(1);
1855 #endif
1856 struct msghdr m;
1857 m.msg_accrights = 0;
1858 exit(0);
1859 }
1860                 ],
1861                 [ ac_cv_have_accrights_in_msghdr="yes" ],
1862                 [ ac_cv_have_accrights_in_msghdr="no" ]
1863         )
1864 ])
1865 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
1866         AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
1867 fi
1868
1869 AC_CACHE_CHECK([for msg_control field in struct msghdr],
1870                 ac_cv_have_control_in_msghdr, [
1871         AC_TRY_RUN(
1872                 [
1873 #include <sys/types.h>
1874 #include <sys/socket.h>
1875 #include <sys/uio.h>
1876 int main() {
1877 #ifdef msg_control
1878 exit(1);
1879 #endif
1880 struct msghdr m;
1881 m.msg_control = 0;
1882 exit(0);
1883 }
1884                 ],
1885                 [ ac_cv_have_control_in_msghdr="yes" ],
1886                 [ ac_cv_have_control_in_msghdr="no" ]
1887         )
1888 ])
1889 if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
1890         AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
1891 fi
1892
1893 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1894         AC_TRY_LINK([],
1895                 [ extern char *__progname; printf("%s", __progname); ],
1896                 [ ac_cv_libc_defines___progname="yes" ],
1897                 [ ac_cv_libc_defines___progname="no" ]
1898         )
1899 ])
1900 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1901         AC_DEFINE(HAVE___PROGNAME)
1902 fi
1903
1904 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
1905         AC_TRY_LINK([
1906 #include <stdio.h>
1907 ],
1908                 [ printf("%s", __FUNCTION__); ],
1909                 [ ac_cv_cc_implements___FUNCTION__="yes" ],
1910                 [ ac_cv_cc_implements___FUNCTION__="no" ]
1911         )
1912 ])
1913 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
1914         AC_DEFINE(HAVE___FUNCTION__)
1915 fi
1916
1917 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
1918         AC_TRY_LINK([
1919 #include <stdio.h>
1920 ],
1921                 [ printf("%s", __func__); ],
1922                 [ ac_cv_cc_implements___func__="yes" ],
1923                 [ ac_cv_cc_implements___func__="no" ]
1924         )
1925 ])
1926 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
1927         AC_DEFINE(HAVE___func__)
1928 fi
1929
1930 AC_CACHE_CHECK([whether getopt has optreset support],
1931                 ac_cv_have_getopt_optreset, [
1932         AC_TRY_LINK(
1933                 [
1934 #include <getopt.h>
1935                 ],
1936                 [ extern int optreset; optreset = 0; ],
1937                 [ ac_cv_have_getopt_optreset="yes" ],
1938                 [ ac_cv_have_getopt_optreset="no" ]
1939         )
1940 ])
1941 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
1942         AC_DEFINE(HAVE_GETOPT_OPTRESET)
1943 fi
1944
1945 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1946         AC_TRY_LINK([],
1947                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1948                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1949                 [ ac_cv_libc_defines_sys_errlist="no" ]
1950         )
1951 ])
1952 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1953         AC_DEFINE(HAVE_SYS_ERRLIST)
1954 fi
1955
1956
1957 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1958         AC_TRY_LINK([],
1959                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1960                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1961                 [ ac_cv_libc_defines_sys_nerr="no" ]
1962         )
1963 ])
1964 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1965         AC_DEFINE(HAVE_SYS_NERR)
1966 fi
1967
1968 SCARD_MSG="no"
1969
1970 # Check whether user wants sectok support
1971 AC_ARG_WITH(sectok,
1972         [  --with-sectok           Enable smartcard support using libsectok],
1973         [
1974                 if test "x$withval" != "xno" ; then
1975                         if test "x$withval" != "xyes" ; then
1976                                 CPPFLAGS="$CPPFLAGS -I${withval}"
1977                                 LDFLAGS="$LDFLAGS -L${withval}"
1978                                 if test ! -z "$need_dash_r" ; then
1979                                         LDFLAGS="$LDFLAGS -R${withval}"
1980                                 fi
1981                                 if test ! -z "$blibpath" ; then
1982                                         blibpath="$blibpath:${withval}"
1983                                 fi
1984                         fi
1985                         AC_CHECK_HEADERS(sectok.h)
1986                         if test "$ac_cv_header_sectok_h" != yes; then
1987                                 AC_MSG_ERROR(Can't find sectok.h)
1988                         fi
1989                         AC_CHECK_LIB(sectok, sectok_open)
1990                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
1991                                 AC_MSG_ERROR(Can't find libsectok)
1992                         fi
1993                         AC_DEFINE(SMARTCARD)
1994                         AC_DEFINE(USE_SECTOK)
1995                         SCARD_MSG="yes, using sectok"
1996                 fi
1997         ]
1998 )
1999
2000 # Check whether user wants OpenSC support
2001 AC_ARG_WITH(opensc,
2002         AC_HELP_STRING([--with-opensc=PFX],
2003                        [Enable smartcard support using OpenSC]),
2004         opensc_config_prefix="$withval", opensc_config_prefix="")
2005 if test x$opensc_config_prefix != x ; then
2006   OPENSC_CONFIG=$opensc_config_prefix/bin/opensc-config
2007   AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
2008   if test "$OPENSC_CONFIG" != "no"; then
2009     LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
2010     LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
2011     CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
2012     LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"
2013     AC_DEFINE(SMARTCARD)
2014     AC_DEFINE(USE_OPENSC)
2015     SCARD_MSG="yes, using OpenSC"
2016   fi
2017 fi
2018
2019 # Check whether user wants Kerberos 5 support
2020 KRB5_MSG="no"
2021 AC_ARG_WITH(kerberos5,
2022         [  --with-kerberos5=PATH   Enable Kerberos 5 support],
2023         [
2024                 if test "x$withval" != "xno" ; then
2025                         if test "x$withval" = "xyes" ; then
2026                                 KRB5ROOT="/usr/local"
2027                         else
2028                                 KRB5ROOT=${withval}
2029                         fi
2030                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
2031                         LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
2032                         AC_DEFINE(KRB5)
2033                         KRB5_MSG="yes"
2034                         AC_MSG_CHECKING(whether we are using Heimdal)
2035                         AC_TRY_COMPILE([ #include <krb5.h> ],
2036                                        [ char *tmp = heimdal_version; ],
2037                                        [ AC_MSG_RESULT(yes)
2038                                          AC_DEFINE(HEIMDAL)
2039                                          K5LIBS="-lkrb5 -ldes -lcom_err -lasn1 -lroken"
2040                                        ],
2041                                        [ AC_MSG_RESULT(no)
2042                                          K5LIBS="-lkrb5 -lk5crypto -lcom_err"
2043                                        ]
2044                         )
2045                         if test ! -z "$need_dash_r" ; then
2046                                 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
2047                         fi
2048                         if test ! -z "$blibpath" ; then
2049                                 blibpath="$blibpath:${KRB5ROOT}/lib"
2050                         fi
2051                         AC_CHECK_LIB(resolv, dn_expand, , )
2052
2053                         # If we're using some other GSSAPI
2054                         if test "$GSSAPI" -a "$GSSAPI" != "mechglue"; then
2055                                 AC_MSG_ERROR([$GSSAPI GSSAPI library conflicts with Kerberos support.  Use mechglue instead.])
2056                         fi
2057                         AC_CHECK_LIB(gssapi,gss_init_sec_context,
2058                                 [ AC_DEFINE(GSSAPI)
2059                                   K5LIBS="-lgssapi $K5LIBS" ],
2060                                 [ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
2061                                         [ AC_DEFINE(GSSAPI)
2062                                           K5LIBS="-lgssapi_krb5 $K5LIBS" ],
2063                                         AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
2064                                         $K5LIBS)
2065                                 ],
2066                                 $K5LIBS)
2067
2068                         AC_CHECK_HEADER(gssapi.h, ,
2069                                 [ unset ac_cv_header_gssapi_h
2070                                   CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
2071                                   AC_CHECK_HEADERS(gssapi.h, ,
2072                                         AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
2073                                   )
2074                                 ]
2075                         )
2076
2077                         AC_CHECK_LIB(gssapi, gss_krb5_copy_ccache, /bin/true,
2078                                 [ K5LIBS="-lgssapi_krb5 $K5LIBS"
2079                                   AC_CHECK_LIB(gssapi_krb5, gss_krb5_copy_ccache, /bin/true,
2080                                         AC_MSG_WARN([Cannot find gss_krb5_copy_ccache -- build may fail]),
2081                                         $K5LIBS)
2082                                 ],
2083                                 $K5LIBS)
2084
2085                         oldCPP="$CPPFLAGS"
2086                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
2087                         AC_CHECK_HEADER(gssapi_krb5.h, ,
2088                                         [ CPPFLAGS="$oldCPP" ])
2089
2090                         if test -z "$GSSAPI"; then
2091                                 GSSAPI="KRB5";
2092                         fi
2093
2094                         KRB5=yes
2095                 fi
2096         ]
2097 )
2098 # Check whether user wants Kerberos 4 support
2099 KRB4_MSG="no"
2100 AC_ARG_WITH(kerberos4,
2101         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
2102         [
2103                 if test "x$withval" != "xno" ; then
2104                         if test "x$withval" != "xyes" ; then
2105                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
2106                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
2107                                 if test ! -z "$need_dash_r" ; then
2108                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
2109                                 fi
2110                                 if test ! -z "$blibpath" ; then
2111                                         blibpath="$blibpath:${withval}/lib"
2112                                 fi
2113                         else
2114                                 if test -d /usr/include/kerberosIV ; then
2115                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
2116                                 fi
2117                         fi
2118
2119                         AC_CHECK_HEADERS(krb.h)
2120                         if test "$ac_cv_header_krb_h" != yes; then
2121                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
2122                         fi
2123                         AC_CHECK_LIB(krb, main)
2124                         if test "$ac_cv_lib_krb_main" != yes; then
2125                                 AC_CHECK_LIB(krb4, main)
2126                                 if test "$ac_cv_lib_krb4_main" != yes; then
2127                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
2128                                 else
2129                                         KLIBS="-lkrb4"
2130                                 fi
2131                         else
2132                                 KLIBS="-lkrb"
2133                         fi
2134                         AC_CHECK_LIB(des, des_cbc_encrypt)
2135                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
2136                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
2137                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
2138                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
2139                                 else
2140                                         KLIBS="-ldes425"
2141                                 fi
2142                         else
2143                                 KLIBS="-ldes"
2144                         fi
2145                         AC_CHECK_LIB(resolv, dn_expand, , )
2146                         KRB4=yes
2147                         KRB4_MSG="yes"
2148                         AC_DEFINE(KRB4)
2149                 fi
2150         ]
2151 )
2152
2153 # Check whether user wants AFS support
2154 AFS_MSG="no"
2155 AC_ARG_WITH(afs,
2156         [  --with-afs=PATH         Enable AFS support],
2157         [
2158                 if test "x$withval" != "xno" ; then
2159
2160                         if test "x$withval" != "xyes" ; then
2161                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
2162                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
2163                         fi
2164
2165                         if test -z "$KRB4" ; then
2166                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
2167                         fi
2168
2169                         LIBS="-lkafs $LIBS"
2170                         if test ! -z "$AFS_LIBS" ; then
2171                                 LIBS="$LIBS $AFS_LIBS"
2172                         fi
2173                         AC_DEFINE(AFS)
2174                         AFS_MSG="yes"
2175                 fi
2176         ]
2177 )
2178 LIBS="$LIBS $KLIBS $K5LIBS"
2179
2180 # Looking for programs, paths and files
2181
2182 PRIVSEP_PATH=/var/empty
2183 AC_ARG_WITH(privsep-path,
2184         [  --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)],
2185         [
2186                 if test "x$withval" != "$no" ; then
2187                         PRIVSEP_PATH=$withval
2188                 fi
2189         ]
2190 )
2191 AC_SUBST(PRIVSEP_PATH)
2192
2193 AC_ARG_WITH(xauth,
2194         [  --with-xauth=PATH       Specify path to xauth program ],
2195         [
2196                 if test "x$withval" != "xno" ; then
2197                         xauth_path=$withval
2198                 fi
2199         ],
2200         [
2201                 TestPath="$PATH"
2202                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X/bin"
2203                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/bin/X11"
2204                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X11R6/bin"
2205                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/openwin/bin"
2206                 AC_PATH_PROG(xauth_path, xauth, , $TestPath)
2207                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
2208                         xauth_path="/usr/openwin/bin/xauth"
2209                 fi
2210         ]
2211 )
2212
2213 if test -z "$xauth_path" ; then
2214         XAUTH_PATH="undefined"
2215         AC_SUBST(XAUTH_PATH)
2216 else
2217         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
2218         XAUTH_PATH=$xauth_path
2219         AC_SUBST(XAUTH_PATH)
2220 fi
2221
2222 # Check for mail directory (last resort if we cannot get it from headers)
2223 if test ! -z "$MAIL" ; then
2224         maildir=`dirname $MAIL`
2225         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
2226 fi
2227
2228 if test -z "$no_dev_ptmx" ; then
2229         if test "x$disable_ptmx_check" != "xyes" ; then
2230                 AC_CHECK_FILE("/dev/ptmx",
2231                         [
2232                                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
2233                                 have_dev_ptmx=1
2234                         ]
2235                 )
2236         fi
2237 fi
2238 AC_CHECK_FILE("/dev/ptc",
2239         [
2240                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
2241                 have_dev_ptc=1
2242         ]
2243 )
2244
2245 # Options from here on. Some of these are preset by platform above
2246 AC_ARG_WITH(mantype,
2247         [  --with-mantype=man|cat|doc  Set man page type],
2248         [
2249                 case "$withval" in
2250                 man|cat|doc)
2251                         MANTYPE=$withval
2252                         ;;
2253                 *)
2254                         AC_MSG_ERROR(invalid man type: $withval)
2255                         ;;
2256                 esac
2257         ]
2258 )
2259 if test -z "$MANTYPE"; then
2260         TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb"
2261         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, $TestPath)
2262         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
2263                 MANTYPE=doc
2264         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
2265                 MANTYPE=man
2266         else
2267                 MANTYPE=cat
2268         fi
2269 fi
2270 AC_SUBST(MANTYPE)
2271 if test "$MANTYPE" = "doc"; then
2272         mansubdir=man;
2273 else
2274         mansubdir=$MANTYPE;
2275 fi
2276 AC_SUBST(mansubdir)
2277
2278 # Check whether to enable MD5 passwords
2279 MD5_MSG="no"
2280 AC_ARG_WITH(md5-passwords,
2281         [  --with-md5-passwords    Enable use of MD5 passwords],
2282         [
2283                 if test "x$withval" != "xno" ; then
2284                         AC_DEFINE(HAVE_MD5_PASSWORDS)
2285                         MD5_MSG="yes"
2286                 fi
2287         ]
2288 )
2289
2290 # Whether to disable shadow password support
2291 AC_ARG_WITH(shadow,
2292         [  --without-shadow        Disable shadow password support],
2293         [
2294                 if test "x$withval" = "xno" ; then
2295                         AC_DEFINE(DISABLE_SHADOW)
2296                         disable_shadow=yes
2297                 fi
2298         ]
2299 )
2300
2301 if test -z "$disable_shadow" ; then
2302         AC_MSG_CHECKING([if the systems has expire shadow information])
2303         AC_TRY_COMPILE(
2304         [
2305 #include <sys/types.h>
2306 #include <shadow.h>
2307         struct spwd sp;
2308         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
2309         [ sp_expire_available=yes ], []
2310         )
2311
2312         if test "x$sp_expire_available" = "xyes" ; then
2313                 AC_MSG_RESULT(yes)
2314                 AC_DEFINE(HAS_SHADOW_EXPIRE)
2315         else
2316                 AC_MSG_RESULT(no)
2317         fi
2318 fi
2319
2320 # Use ip address instead of hostname in $DISPLAY
2321 if test ! -z "$IPADDR_IN_DISPLAY" ; then
2322         DISPLAY_HACK_MSG="yes"
2323         AC_DEFINE(IPADDR_IN_DISPLAY)
2324 else
2325         DISPLAY_HACK_MSG="no"
2326         AC_ARG_WITH(ipaddr-display,
2327                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
2328                 [
2329                         if test "x$withval" != "xno" ; then
2330                                 AC_DEFINE(IPADDR_IN_DISPLAY)
2331                                 DISPLAY_HACK_MSG="yes"
2332                         fi
2333                 ]
2334         )
2335 fi
2336
2337 dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
2338 if test $ac_cv_func_login_getcapbool = "yes" -a \
2339         $ac_cv_header_login_cap_h = "yes" ; then
2340         USES_LOGIN_CONF=yes
2341 fi
2342 # Whether to mess with the default path
2343 SERVER_PATH_MSG="(default)"
2344 AC_ARG_WITH(default-path,
2345         [  --with-default-path=    Specify default \$PATH environment for server],
2346         [
2347                 if test "$USES_LOGIN_CONF" = "yes" ; then
2348                         AC_MSG_WARN([
2349 --with-default-path=PATH has no effect on this system.
2350 Edit /etc/login.conf instead.])
2351                 elif test "x$withval" != "xno" ; then
2352                         user_path="$withval"
2353                         SERVER_PATH_MSG="$withval"
2354                 fi
2355         ],
2356         [ if test "$USES_LOGIN_CONF" = "yes" ; then
2357         AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
2358         else
2359         AC_TRY_RUN(
2360                 [
2361 /* find out what STDPATH is */
2362 #include <stdio.h>
2363 #ifdef HAVE_PATHS_H
2364 # include <paths.h>
2365 #endif
2366 #ifndef _PATH_STDPATH
2367 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
2368 #endif
2369 #include <sys/types.h>
2370 #include <sys/stat.h>
2371 #include <fcntl.h>
2372 #define DATA "conftest.stdpath"
2373
2374 main()
2375 {
2376         FILE *fd;
2377         int rc;
2378
2379         fd = fopen(DATA,"w");
2380         if(fd == NULL)
2381                 exit(1);
2382
2383         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
2384                 exit(1);
2385
2386         exit(0);
2387 }
2388                 ], [ user_path=`cat conftest.stdpath` ],
2389                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
2390                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
2391         )
2392         fi ]
2393 )
2394 if test "$USES_LOGIN_CONF" != "yes" ; then
2395         AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
2396         AC_SUBST(user_path)
2397 fi
2398
2399 # Set superuser path separately to user path
2400 AC_ARG_WITH(superuser-path,
2401         [  --with-superuser-path=  Specify different path for super-user],
2402         [
2403                 if test "x$withval" != "xno" ; then
2404                         AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval")
2405                         superuser_path=$withval
2406                 fi
2407         ]
2408 )
2409
2410
2411 # Whether to force IPv4 by default (needed on broken glibc Linux)
2412 IPV4_HACK_MSG="no"
2413 AC_ARG_WITH(ipv4-default,
2414         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
2415         [
2416                 if test "x$withval" != "xno" ; then
2417                         AC_DEFINE(IPV4_DEFAULT)
2418                         IPV4_HACK_MSG="yes"
2419                 fi
2420         ]
2421 )
2422
2423 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
2424 IPV4_IN6_HACK_MSG="no"
2425 AC_ARG_WITH(4in6,
2426         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
2427         [
2428                 if test "x$withval" != "xno" ; then
2429                         AC_MSG_RESULT(yes)
2430                         AC_DEFINE(IPV4_IN_IPV6)
2431                         IPV4_IN6_HACK_MSG="yes"
2432                 else
2433                         AC_MSG_RESULT(no)
2434                 fi
2435         ],[
2436                 if test "x$inet6_default_4in6" = "xyes"; then
2437                         AC_MSG_RESULT([yes (default)])
2438                         AC_DEFINE(IPV4_IN_IPV6)
2439                         IPV4_IN6_HACK_MSG="yes"
2440                 else
2441                         AC_MSG_RESULT([no (default)])
2442                 fi
2443         ]
2444 )
2445
2446 # Whether to enable BSD auth support
2447 BSD_AUTH_MSG=no
2448 AC_ARG_WITH(bsd-auth,
2449         [  --with-bsd-auth         Enable BSD auth support],
2450         [
2451                 if test "x$withval" != "xno" ; then
2452                         AC_DEFINE(BSD_AUTH)
2453                         BSD_AUTH_MSG=yes
2454                 fi
2455         ]
2456 )
2457
2458 # Where to place sshd.pid
2459 piddir=/var/run
2460 # make sure the directory exists
2461 if test ! -d $piddir ; then
2462         piddir=`eval echo ${sysconfdir}`
2463         case $piddir in
2464                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
2465         esac
2466 fi
2467
2468 AC_ARG_WITH(pid-dir,
2469         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
2470         [
2471                 if test "x$withval" != "xno" ; then
2472                         piddir=$withval
2473                         if test ! -d $piddir ; then
2474                         AC_MSG_WARN([** no $piddir directory on this system **])
2475                         fi
2476                 fi
2477         ]
2478 )
2479
2480 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
2481 AC_SUBST(piddir)
2482
2483 dnl allow user to disable some login recording features
2484 AC_ARG_ENABLE(lastlog,
2485         [  --disable-lastlog       disable use of lastlog even if detected [no]],
2486         [ AC_DEFINE(DISABLE_LASTLOG) ]
2487 )
2488 AC_ARG_ENABLE(utmp,
2489         [  --disable-utmp          disable use of utmp even if detected [no]],
2490         [ AC_DEFINE(DISABLE_UTMP) ]
2491 )
2492 AC_ARG_ENABLE(utmpx,
2493         [  --disable-utmpx         disable use of utmpx even if detected [no]],
2494         [ AC_DEFINE(DISABLE_UTMPX) ]
2495 )
2496 AC_ARG_ENABLE(wtmp,
2497         [  --disable-wtmp          disable use of wtmp even if detected [no]],
2498         [ AC_DEFINE(DISABLE_WTMP) ]
2499 )
2500 AC_ARG_ENABLE(wtmpx,
2501         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
2502         [ AC_DEFINE(DISABLE_WTMPX) ]
2503 )
2504 AC_ARG_ENABLE(libutil,
2505         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
2506         [ AC_DEFINE(DISABLE_LOGIN) ]
2507 )
2508 AC_ARG_ENABLE(pututline,
2509         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
2510         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
2511 )
2512 AC_ARG_ENABLE(pututxline,
2513         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
2514         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
2515 )
2516 AC_ARG_WITH(lastlog,
2517   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
2518         [
2519                 if test "x$withval" = "xno" ; then
2520                         AC_DEFINE(DISABLE_LASTLOG)
2521                 else
2522                         conf_lastlog_location=$withval
2523                 fi
2524         ]
2525 )
2526
2527 dnl lastlog, [uw]tmpx? detection
2528 dnl  NOTE: set the paths in the platform section to avoid the
2529 dnl   need for command-line parameters
2530 dnl lastlog and [uw]tmp are subject to a file search if all else fails
2531
2532 dnl lastlog detection
2533 dnl  NOTE: the code itself will detect if lastlog is a directory
2534 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
2535 AC_TRY_COMPILE([
2536 #include <sys/types.h>
2537 #include <utmp.h>
2538 #ifdef HAVE_LASTLOG_H
2539 #  include <lastlog.h>
2540 #endif
2541 #ifdef HAVE_PATHS_H
2542 #  include <paths.h>
2543 #endif
2544 #ifdef HAVE_LOGIN_H
2545 # include <login.h>
2546 #endif
2547         ],
2548         [ char *lastlog = LASTLOG_FILE; ],
2549         [ AC_MSG_RESULT(yes) ],
2550         [
2551                 AC_MSG_RESULT(no)
2552                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
2553                 AC_TRY_COMPILE([
2554 #include <sys/types.h>
2555 #include <utmp.h>
2556 #ifdef HAVE_LASTLOG_H
2557 #  include <lastlog.h>
2558 #endif
2559 #ifdef HAVE_PATHS_H
2560 #  include <paths.h>
2561 #endif
2562                 ],
2563                 [ char *lastlog = _PATH_LASTLOG; ],
2564                 [ AC_MSG_RESULT(yes) ],
2565                 [
2566                         AC_MSG_RESULT(no)
2567                         system_lastlog_path=no
2568                 ])
2569         ]
2570 )
2571
2572 if test -z "$conf_lastlog_location"; then
2573         if test x"$system_lastlog_path" = x"no" ; then
2574                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
2575                                 if (test -d "$f" || test -f "$f") ; then
2576                                         conf_lastlog_location=$f
2577                                 fi
2578                 done
2579                 if test -z "$conf_lastlog_location"; then
2580                         AC_MSG_WARN([** Cannot find lastlog **])
2581                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
2582                 fi
2583         fi
2584 fi
2585
2586 if test -n "$conf_lastlog_location"; then
2587         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
2588 fi
2589
2590 dnl utmp detection
2591 AC_MSG_CHECKING([if your system defines UTMP_FILE])
2592 AC_TRY_COMPILE([
2593 #include <sys/types.h>
2594 #include <utmp.h>
2595 #ifdef HAVE_PATHS_H
2596 #  include <paths.h>
2597 #endif
2598         ],
2599         [ char *utmp = UTMP_FILE; ],
2600         [ AC_MSG_RESULT(yes) ],
2601         [ AC_MSG_RESULT(no)
2602           system_utmp_path=no ]
2603 )
2604 if test -z "$conf_utmp_location"; then
2605         if test x"$system_utmp_path" = x"no" ; then
2606                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
2607                         if test -f $f ; then
2608                                 conf_utmp_location=$f
2609                         fi
2610                 done
2611                 if test -z "$conf_utmp_location"; then
2612                         AC_DEFINE(DISABLE_UTMP)
2613                 fi
2614         fi
2615 fi
2616 if test -n "$conf_utmp_location"; then
2617         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
2618 fi
2619
2620 dnl wtmp detection
2621 AC_MSG_CHECKING([if your system defines WTMP_FILE])
2622 AC_TRY_COMPILE([
2623 #include <sys/types.h>
2624 #include <utmp.h>
2625 #ifdef HAVE_PATHS_H
2626 #  include <paths.h>
2627 #endif
2628         ],
2629         [ char *wtmp = WTMP_FILE; ],
2630         [ AC_MSG_RESULT(yes) ],
2631         [ AC_MSG_RESULT(no)
2632           system_wtmp_path=no ]
2633 )
2634 if test -z "$conf_wtmp_location"; then
2635         if test x"$system_wtmp_path" = x"no" ; then
2636                 for f in /usr/adm/wtmp /var/log/wtmp; do
2637                         if test -f $f ; then
2638                                 conf_wtmp_location=$f
2639                         fi
2640                 done
2641                 if test -z "$conf_wtmp_location"; then
2642                         AC_DEFINE(DISABLE_WTMP)
2643                 fi
2644         fi
2645 fi
2646 if test -n "$conf_wtmp_location"; then
2647         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
2648 fi
2649
2650
2651 dnl utmpx detection - I don't know any system so perverse as to require
2652 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
2653 dnl  there, though.
2654 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
2655 AC_TRY_COMPILE([
2656 #include <sys/types.h>
2657 #include <utmp.h>
2658 #ifdef HAVE_UTMPX_H
2659 #include <utmpx.h>
2660 #endif
2661 #ifdef HAVE_PATHS_H
2662 #  include <paths.h>
2663 #endif
2664         ],
2665         [ char *utmpx = UTMPX_FILE; ],
2666         [ AC_MSG_RESULT(yes) ],
2667         [ AC_MSG_RESULT(no)
2668           system_utmpx_path=no ]
2669 )
2670 if test -z "$conf_utmpx_location"; then
2671         if test x"$system_utmpx_path" = x"no" ; then
2672                 AC_DEFINE(DISABLE_UTMPX)
2673         fi
2674 else
2675         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
2676 fi
2677
2678 dnl wtmpx detection
2679 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
2680 AC_TRY_COMPILE([
2681 #include <sys/types.h>
2682 #include <utmp.h>
2683 #ifdef HAVE_UTMPX_H
2684 #include <utmpx.h>
2685 #endif
2686 #ifdef HAVE_PATHS_H
2687 #  include <paths.h>
2688 #endif
2689         ],
2690         [ char *wtmpx = WTMPX_FILE; ],
2691         [ AC_MSG_RESULT(yes) ],
2692         [ AC_MSG_RESULT(no)
2693           system_wtmpx_path=no ]
2694 )
2695 if test -z "$conf_wtmpx_location"; then
2696         if test x"$system_wtmpx_path" = x"no" ; then
2697                 AC_DEFINE(DISABLE_WTMPX)
2698         fi
2699 else
2700         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
2701 fi
2702
2703
2704 if test ! -z "$blibpath" ; then
2705         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
2706         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
2707 fi
2708
2709 dnl remove pam and dl because they are in $LIBPAM
2710 if test "$PAM_MSG" = yes ; then
2711         LIBS=`echo $LIBS | sed 's/-lpam //'`
2712 fi
2713 if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
2714         LIBS=`echo $LIBS | sed 's/-ldl //'`
2715 fi
2716
2717 AC_EXEEXT
2718 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
2719 AC_OUTPUT
2720
2721 # Print summary of options
2722
2723 # Someone please show me a better way :)
2724 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
2725 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
2726 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
2727 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
2728 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
2729 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
2730 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
2731 H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
2732 I=`eval echo ${user_path}` ; I=`eval echo ${I}`
2733 J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
2734
2735 echo ""
2736 echo "OpenSSH has been configured with the following options:"
2737 echo "                     User binaries: $B"
2738 echo "                   System binaries: $C"
2739 echo "               Configuration files: $D"
2740 echo "                   Askpass program: $E"
2741 echo "                      Manual pages: $F"
2742 echo "                          PID file: $G"
2743 echo "  Privilege separation chroot path: $H"
2744 if test "$USES_LOGIN_CONF" = "yes" ; then
2745 echo "   At runtime, sshd will use the path defined in /etc/login.conf"
2746 else
2747 echo "            sshd default user PATH: $I"
2748 fi
2749 if test ! -z "$superuser_path" ; then
2750 echo "          sshd superuser user PATH: $J"
2751 fi
2752 echo "                    Manpage format: $MANTYPE"
2753 echo "                       PAM support: ${PAM_MSG}"
2754 echo "                KerberosIV support: $KRB4_MSG"
2755 echo "                 KerberosV support: $KRB5_MSG"
2756 echo "                 Smartcard support: $SCARD_MSG"
2757 echo "                       AFS support: $AFS_MSG"
2758 echo "                     S/KEY support: $SKEY_MSG"
2759 echo "              TCP Wrappers support: $TCPW_MSG"
2760 echo "              MD5 password support: $MD5_MSG"
2761 echo "       IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
2762 echo "          Use IPv4 by default hack: $IPV4_HACK_MSG"
2763 echo "           Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
2764 echo "                  BSD Auth support: $BSD_AUTH_MSG"
2765 echo "              Random number source: $RAND_MSG"
2766 if test ! -z "$USE_RAND_HELPER" ; then
2767 echo "     ssh-rand-helper collects from: $RAND_HELPER_MSG"
2768 fi
2769
2770 echo ""
2771
2772 echo "              Host: ${host}"
2773 echo "          Compiler: ${CC}"
2774 echo "    Compiler flags: ${CFLAGS}"
2775 echo "Preprocessor flags: ${CPPFLAGS}"
2776 echo "      Linker flags: ${LDFLAGS}"
2777 echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
2778
2779 echo ""
2780
2781 if test "x$PAM_MSG" = "xyes" ; then
2782         echo "PAM is enabled. You may need to install a PAM control file "
2783         echo "for sshd, otherwise password authentication may fail. "
2784         echo "Example PAM control files can be found in the contrib/ "
2785         echo "subdirectory"
2786         echo ""
2787 fi
2788
2789 if test ! -z "$NO_SFTP"; then
2790         echo "sftp-server will be disabled.  Your compiler does not "
2791         echo "support 64bit integers."
2792         echo ""
2793 fi
2794
2795 if test ! -z "$RAND_HELPER_CMDHASH" ; then
2796         echo "WARNING: you are using the builtin random number collection "
2797         echo "service. Please read WARNING.RNG and request that your OS "
2798         echo "vendor includes kernel-based random number collection in "
2799         echo "future versions of your OS."
2800         echo ""
2801 fi
2802