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 "$GSSAPI"; then
 580                 AC_DEFINE(GSSAPI)
 581                 GSSAPI="GSI"
 582         fi
 583
 584         # Find GLOBUS/GSI installation Directory
 585         AC_MSG_CHECKING(for Globus/GSI installation directory)
 586
 587         globus_install_dir=$gsi_path
 588
 589         if test "x$globus_install_dir" = "xyes" ; then
 590                 AC_MSG_ERROR(Cannot find Globus/GSI installation directory -- a path must be specified!)
 591         fi
 592         AC_MSG_RESULT($globus_install_dir)
 593
 594         # Find GLOBUS/GSI development directory
 595         AC_MSG_CHECKING(for Globus/GSI development directory)
 596
 597         if test -d ${globus_install_dir}/lib ; then
 598                 # Looks like a flat directory structure from configure/make
 599                 # and not globus-install or gsi-install
 600                 globus_dev_dir=$globus_install_dir
 601
 602         else
 603                 # Assume a true globus installation with architecture
 604                 # directories and run globus-development-path to find
 605                 # the development directory
 606
 607                 # Set GLOBUS_INSTALL_PATH
 608                 GLOBUS_INSTALL_PATH=$globus_install_dir
 609                 export GLOBUS_INSTALL_PATH
 610
 611                 dev_path_program=${globus_install_dir}/bin/globus-development-path
 612
 613                 if test ! -x ${dev_path_program} ; then
 614                         AC_MSG_ERROR(Cannot find Globus/GSI installation directory: program ${dev_path_program} does not exist or is not executable)
 615                 fi
 616
 617                 globus_dev_dir=`${dev_path_program}`
 618
 619                 if test -z "$globus_dev_dir" -o "X$globus_dev_dir" = "X<not found>" ; then
 620                         AC_MSG_ERROR(Cannot find Globus/GSI development directory)
 621                 fi
 622
 623                 if test ! -d "$globus_dev_dir" ; then
 624                         AC_MSG_ERROR(Cannot find Globus/GSI development directory: $globus_dev_dir does not exist)
 625                 fi
 626         fi
 627         AC_MSG_RESULT($globus_dev_dir)
 628
 629         # Find GLOBUS/GSI flavor Directory
 630         AC_MSG_CHECKING(for Globus flavor type)
 631
 632         if test "x$globus_flavor_type" = "xno" ; then
 633                 if test "$GSSAPI" = "mechglue"; then
 634                         GSI_LIBS="-lglobus_gss_assist -lglobus_gaa"
 635                 else
 636                         GSI_LIBS="-lglobus_gss_assist -lglobus_gss -lglobus_gaa"
 637                 fi
 638                 GSI_LDFLAGS="-L${globus_dev_dir}/lib"
 639                 GSI_CPPFLAGS="-I${globus_dev_dir}/include"
 640                 AC_MSG_RESULT(none)
 641         else
 642                 GLOBUS_FLAVOR_TYPE_INCL_DIR="${globus_dev_dir}/include/${globus_flavor_type}"
 643
 644                 if test ! -d "$GLOBUS_FLAVOR_TYPE_INCL_DIR" ; then
 645                         AC_MSG_ERROR(Cannot find Globus flavor-specific include directory: ${GLOBUS_FLAVOR_TYPE_INCL_DIR})
 646                 fi
 647
 648                 AC_MSG_RESULT($globus_flavor_type)
 649                 if test "$GSSAPI" = "mechglue"; then
 650                         GSI_LIBS="${gsi_path}/lib/libglobus_gss_assist_${globus_flavor_type}.a"
 651                 else
 652                         GSI_LIBS="${gsi_path}/lib/libglobus_gss_assist_${globus_flavor_type}.a ${gsi_path}/lib/libglobus_gssapi_gsi_${globus_flavor_type}.a"
 653                 fi
 654                 GSI_CPPFLAGS="-I${GLOBUS_FLAVOR_TYPE_INCL_DIR}"
 655         fi
 656
 657         LIBS="$LIBS $GSI_LIBS"
 658         LDFLAGS="$LDFLAGS $GSI_LDFLAGS"
 659         CPPFLAGS="$CPPFLAGS $GSI_CPPFLAGS"
 660         INSTALL_GSISSH="yes"
 661 else
 662         INSTALL_GSISSH=""
 663 fi
 664 AC_SUBST(INSTALL_GSISSH)
 665 # End Globus/GSI section
 666
 667 # Check whether user wants S/Key support
 668 SKEY_MSG="no"
 669 AC_ARG_WITH(skey,
 670         [  --with-skey[[=PATH]]      Enable S/Key support
 671                             (optionally in PATH)],
 672         [
 673                 if test "x$withval" != "xno" ; then
 674
 675                         if test "x$withval" != "xyes" ; then
 676                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 677                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 678                         fi
 679
 680                         AC_DEFINE(SKEY)
 681                         LIBS="-lskey $LIBS"
 682                         SKEY_MSG="yes"
 683
 684                         AC_MSG_CHECKING([for s/key support])
 685                         AC_TRY_RUN(
 686                                 [
 687 #include <stdio.h>
 688 #include <skey.h>
 689 int main() { char *ff = skey_keyinfo(""); ff=""; exit(0); }
 690                                 ],
 691                                 [AC_MSG_RESULT(yes)],
 692                                 [
 693                                         AC_MSG_RESULT(no)
 694                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 695                                 ])
 696                 fi
 697         ]
 698 )
 699
 700 # Check whether user wants TCP wrappers support
 701 TCPW_MSG="no"
 702 AC_ARG_WITH(tcp-wrappers,
 703         [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
 704                             (optionally in PATH)],
 705         [
 706                 if test "x$withval" != "xno" ; then
 707                         saved_LIBS="$LIBS"
 708                         saved_LDFLAGS="$LDFLAGS"
 709                         saved_CPPFLAGS="$CPPFLAGS"
 710                         if test -n "${withval}" -a "${withval}" != "yes"; then
 711                                 if test -d "${withval}/lib"; then
 712                                         if test -n "${need_dash_r}"; then
 713                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 714                                         else
 715                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 716                                         fi
 717                                 else
 718                                         if test -n "${need_dash_r}"; then
 719                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 720                                         else
 721                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 722                                         fi
 723                                 fi
 724                                 if test -d "${withval}/include"; then
 725                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 726                                 else
 727                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 728                                 fi
 729                         fi
 730                         LIBWRAP="-lwrap"
 731                         LIBS="$LIBWRAP $LIBS"
 732                         AC_MSG_CHECKING(for libwrap)
 733                         AC_TRY_LINK(
 734                                 [
 735 #include <tcpd.h>
 736                                         int deny_severity = 0, allow_severity = 0;
 737                                 ],
 738                                 [hosts_access(0);],
 739                                 [
 740                                         AC_MSG_RESULT(yes)
 741                                         AC_DEFINE(LIBWRAP)
 742                                         AC_SUBST(LIBWRAP)
 743                                         TCPW_MSG="yes"
 744                                 ],
 745                                 [
 746                                         AC_MSG_ERROR([*** libwrap missing])
 747                                 ]
 748                         )
 749                         LIBS="$saved_LIBS"
 750                 fi
 751         ]
 752 )
 753
 754 dnl    Checks for library functions.
 755 AC_CHECK_FUNCS(arc4random b64_ntop bcopy bindresvport_sa \
 756         clock fchmod fchown freeaddrinfo futimes gai_strerror \
 757         getaddrinfo getcwd getgrouplist getnameinfo getopt getpeereid\
 758         getrlimit getrusage getttyent glob inet_aton inet_ntoa \
 759         inet_ntop innetgr login_getcapbool md5_crypt memmove \
 760         mkdtemp mmap ngetaddrinfo openpty ogetaddrinfo readpassphrase \
 761         realpath recvmsg rresvport_af sendmsg setdtablesize setegid \
 762         setenv seteuid setgroups setlogin setproctitle setresgid setreuid \
 763         setrlimit setsid setpcred setvbuf sigaction sigvec snprintf \
 764         socketpair strerror strlcat strlcpy strmode strsep sysconf tcgetpgrp \
 765         truncate utimes vhangup vsnprintf waitpid __b64_ntop _getpty)
 766
 767 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 768 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 769         AC_CHECK_LIB(gen, dirname,[
 770                 AC_CACHE_CHECK([for broken dirname],
 771                         ac_cv_have_broken_dirname, [
 772                         save_LIBS="$LIBS"
 773                         LIBS="$LIBS -lgen"
 774                         AC_TRY_RUN(
 775                                 [
 776 #include <libgen.h>
 777 #include <string.h>
 778
 779 int main(int argc, char **argv) {
 780     char *s, buf[32];
 781
 782     strncpy(buf,"/etc", 32);
 783     s = dirname(buf);
 784     if (!s || strncmp(s, "/", 32) != 0) {
 785         exit(1);
 786     } else {
 787         exit(0);
 788     }
 789 }
 790                                 ],
 791                                 [ ac_cv_have_broken_dirname="no" ],
 792                                 [ ac_cv_have_broken_dirname="yes" ]
 793                         )
 794                         LIBS="$save_LIBS"
 795                 ])
 796                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 797                         LIBS="$LIBS -lgen"
 798                         AC_DEFINE(HAVE_DIRNAME)
 799                         AC_CHECK_HEADERS(libgen.h)
 800                 fi
 801         ])
 802 ])
 803
 804 dnl    Checks for time functions
 805 AC_CHECK_FUNCS(gettimeofday time)
 806 dnl    Checks for utmp functions
 807 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 808 AC_CHECK_FUNCS(utmpname)
 809 dnl    Checks for utmpx functions
 810 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 811 AC_CHECK_FUNCS(setutxent utmpxname)
 812
 813 AC_CHECK_FUNC(daemon,
 814         [AC_DEFINE(HAVE_DAEMON)],
 815         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 816 )
 817
 818 AC_CHECK_FUNC(getpagesize,
 819         [AC_DEFINE(HAVE_GETPAGESIZE)],
 820         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 821 )
 822
 823 # Check for broken snprintf
 824 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 825         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 826         AC_TRY_RUN(
 827                 [
 828 #include <stdio.h>
 829 int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');}
 830                 ],
 831                 [AC_MSG_RESULT(yes)],
 832                 [
 833                         AC_MSG_RESULT(no)
 834                         AC_DEFINE(BROKEN_SNPRINTF)
 835                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 836                 ]
 837         )
 838 fi
 839
 840 AC_FUNC_GETPGRP
 841
 842 # Check for PAM libs
 843 PAM_MSG="no"
 844 AC_ARG_WITH(pam,
 845         [  --with-pam              Enable PAM support ],
 846         [
 847                 if test "x$withval" != "xno" ; then
 848                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 849                                 AC_MSG_ERROR([PAM headers not found])
 850                         fi
 851
 852                         AC_CHECK_LIB(dl, dlopen, , )
 853                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 854                         AC_CHECK_FUNCS(pam_getenvlist)
 855                         AC_CHECK_FUNCS(pam_putenv)
 856
 857                         disable_shadow=yes
 858                         PAM_MSG="yes"
 859
 860                         AC_DEFINE(USE_PAM)
 861                         if test $ac_cv_lib_dl_dlopen = yes; then
 862                                 LIBPAM="-lpam -ldl"
 863                         else
 864                                 LIBPAM="-lpam"
 865                         fi
 866                         AC_SUBST(LIBPAM)
 867                 fi
 868         ]
 869 )
 870
 871 # Check for older PAM
 872 if test "x$PAM_MSG" = "xyes" ; then
 873         # Check PAM strerror arguments (old PAM)
 874         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 875         AC_TRY_COMPILE(
 876                 [
 877 #include <stdlib.h>
 878 #include <security/pam_appl.h>
 879                 ],
 880                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 881                 [AC_MSG_RESULT(no)],
 882                 [
 883                         AC_DEFINE(HAVE_OLD_PAM)
 884                         AC_MSG_RESULT(yes)
 885                         PAM_MSG="yes (old library)"
 886                 ]
 887         )
 888 fi
 889
 890 # Some systems want crypt() from libcrypt, *not* the version in OpenSSL,
 891 # because the system crypt() is more featureful.
 892 if test "x$check_for_libcrypt_before" = "x1"; then
 893         AC_CHECK_LIB(crypt, crypt)
 894 fi
 895
 896 # Search for OpenSSL
 897 saved_CPPFLAGS="$CPPFLAGS"
 898 saved_LDFLAGS="$LDFLAGS"
 899 AC_ARG_WITH(ssl-dir,
 900         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 901         [
 902                 if test "x$withval" != "xno" ; then
 903                         if test -d "$withval/lib"; then
 904                                 if test -n "${need_dash_r}"; then
 905                                         LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 906                                 else
 907                                         LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 908                                 fi
 909                         else
 910                                 if test -n "${need_dash_r}"; then
 911                                         LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 912                                 else
 913                                         LDFLAGS="-L${withval} ${LDFLAGS}"
 914                                 fi
 915                         fi
 916                         if test -d "$withval/include"; then
 917                                 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 918                         else
 919                                 CPPFLAGS="-I${withval} ${CPPFLAGS}"
 920                         fi
 921                 fi
 922         ]
 923 )
 924
 925 # Patch up SSL libraries for GSI authentication as needed
 926 if test "x$globus_flavor_type" != "xno" ; then
 927         #
 928         # For Globus 2, always link with the static libraries
 929         #
 930
 931         libssl_utils="${gsi_path}/lib/libglobus_ssl_utils_${globus_flavor_type}.a"
 932
 933         #
 934         # Trouble arrives at GT 2.1.3+ with the reorg of globus_ssl_utils.  Compensating for
 935         # the new library linking required here through file tests to see which libraries to
 936         # link against.
 937         #
 938
 939         libgsi_proxy_core="${gsi_path}/lib/libglobus_gsi_proxy_core_${globus_flavor_type}.a"
 940         libgsi_credential="${gsi_path}/lib/libglobus_gsi_credential_${globus_flavor_type}.a"
 941         libgsi_callback="${gsi_path}/lib/libglobus_gsi_callback_${globus_flavor_type}.a"
 942         liboldgaa="${gsi_path}/lib/libglobus_oldgaa_${globus_flavor_type}.a"
 943         libgsi_sysconfig="${gsi_path}/lib/libglobus_gsi_sysconfig_${globus_flavor_type}.a"
 944         libproxy_ssl="${gsi_path}/lib/libglobus_proxy_ssl_${globus_flavor_type}.a"
 945         libgsi_cert_utils="${gsi_path}/lib/libglobus_gsi_cert_utils_${globus_flavor_type}.a"
 946         libopenssl_error="${gsi_path}/lib/libglobus_openssl_error_${globus_flavor_type}.a"
 947         libopenssl="${gsi_path}/lib/libglobus_openssl_${globus_flavor_type}.a"
 948
 949         if test -r ${libgsi_proxy_core} \
 950              -a -r ${libgsi_credential} \
 951              -a -r ${libgsi_callback} \
 952              -a -r ${liboldgaa} \
 953              -a -r ${libgsi_sysconfig} \
 954              -a -r ${libproxy_ssl} \
 955              -a -r ${libgsi_cert_utils} \
 956              -a -r ${libopenssl_error} \
 957              -a -r ${libopenssl} ; then
 958                 LIBS="$LIBS ${libgsi_proxy_core}"
 959                 LIBS="$LIBS ${libgsi_credential}"
 960                 LIBS="$LIBS ${libgsi_callback}"
 961                 LIBS="$LIBS ${liboldgaa}"
 962                 LIBS="$LIBS ${libgsi_sysconfig}"
 963                 LIBS="$LIBS ${libproxy_ssl}"
 964                 LIBS="$LIBS ${libgsi_cert_utils}"
 965                 LIBS="$LIBS ${libopenssl_error}"
 966                 LIBS="$LIBS ${libopenssl}"
 967         elif test -r ${libssl_utils}; then
 968                 LIBS="$LIBS ${libssl_utils}"
 969         else
 970                 AC_MSG_ERROR(All of the required Globus Toolkit libraries are not present/configured correctly)
 971         fi
 972
 973         #
 974         # Standard openssl libraries.  They need to appear near the end of the link line.
 975         #
 976
 977         LIBS="$LIBS ${gsi_path}/lib/libssl_${globus_flavor_type}.a"
 978         LIBS="$LIBS ${gsi_path}/lib/libcrypto_${globus_flavor_type}.a"
 979
 980         #
 981         # Another "GT 2.1.3+"ism.
 982         #
 983
 984         libcommon_path="${gsi_path}/lib/libglobus_common_${globus_flavor_type}.a"
 985         if test -r ${libcommon_path}; then
 986                 LIBS="$LIBS ${libcommon_path}"
 987         fi
 988 else
 989         if test "x$gsi_path" != "xno" ; then
 990                 # Older GSI needs -lssl too
 991                 LIBS="$LIBS -lssl -lcrypto"
 992         else # if no GSI authentication (i.e., OpenSSL default)
 993                 LIBS="$LIBS -lcrypto"
 994         fi
 995 fi # globus_flavor_type
 996
 997 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 998         [
 999                 dnl Check default openssl install dir
1000                 if test -n "${need_dash_r}"; then
1001                         LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
1002                 else
1003                         LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
1004                 fi
1005                 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
1006                 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
1007                         [
1008                                 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
1009                         ]
1010                 )
1011         ]
1012 )
1013
1014 # Determine OpenSSL header version
1015 AC_MSG_CHECKING([OpenSSL header version])
1016 AC_TRY_RUN(
1017         [
1018 #include <stdio.h>
1019 #include <string.h>
1020 #include <openssl/opensslv.h>
1021 #define DATA "conftest.sslincver"
1022 int main(void) {
1023         FILE *fd;
1024         int rc;
1025
1026         fd = fopen(DATA,"w");
1027         if(fd == NULL)
1028                 exit(1);
1029
1030         if ((rc = fprintf(fd ,"%x (%s)\n", OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT)) <0)
1031                 exit(1);
1032
1033         exit(0);
1034 }
1035         ],
1036         [
1037                 ssl_header_ver=`cat conftest.sslincver`
1038                 AC_MSG_RESULT($ssl_header_ver)
1039         ],
1040         [
1041                 AC_MSG_RESULT(not found)
1042                 AC_MSG_ERROR(OpenSSL version header not found.)
1043         ]
1044 )
1045
1046 # Determine OpenSSL library version
1047 AC_MSG_CHECKING([OpenSSL library version])
1048 AC_TRY_RUN(
1049         [
1050 #include <stdio.h>
1051 #include <string.h>
1052 #include <openssl/opensslv.h>
1053 #include <openssl/crypto.h>
1054 #define DATA "conftest.ssllibver"
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", SSLeay(), SSLeay_version(SSLEAY_VERSION))) <0)
1064                 exit(1);
1065
1066         exit(0);
1067 }
1068         ],
1069         [
1070                 ssl_library_ver=`cat conftest.ssllibver`
1071                 AC_MSG_RESULT($ssl_library_ver)
1072         ],
1073         [
1074                 AC_MSG_RESULT(not found)
1075                 AC_MSG_ERROR(OpenSSL library not found.)
1076         ]
1077 )
1078
1079 # Sanity check OpenSSL headers
1080 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
1081 AC_TRY_RUN(
1082         [
1083 #include <string.h>
1084 #include <openssl/opensslv.h>
1085 int main(void) { exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
1086         ],
1087         [
1088                 AC_MSG_RESULT(yes)
1089         ],
1090         [
1091                 AC_MSG_RESULT(no)
1092                 AC_MSG_ERROR(Your OpenSSL headers do not match your library)
1093         ]
1094 )
1095
1096 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
1097 # version in OpenSSL. Skip this for PAM
1098 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
1099         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
1100 fi
1101
1102
1103 ### Configure cryptographic random number support
1104
1105 # Check wheter OpenSSL seeds itself
1106 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
1107 AC_TRY_RUN(
1108         [
1109 #include <string.h>
1110 #include <openssl/rand.h>
1111 int main(void) { exit(RAND_status() == 1 ? 0 : 1); }
1112         ],
1113         [
1114                 OPENSSL_SEEDS_ITSELF=yes
1115                 AC_MSG_RESULT(yes)
1116         ],
1117         [
1118                 AC_MSG_RESULT(no)
1119                 # Default to use of the rand helper if OpenSSL doesn't
1120                 # seed itself
1121                 USE_RAND_HELPER=yes
1122         ]
1123 )
1124
1125
1126 # Do we want to force the use of the rand helper?
1127 AC_ARG_WITH(rand-helper,
1128         [  --with-rand-helper      Use subprocess to gather strong randomness ],
1129         [
1130                 if test "x$withval" = "xno" ; then
1131                         # Force use of OpenSSL's internal RNG, even if
1132                         # the previous test showed it to be unseeded.
1133                         if test -z "$OPENSSL_SEEDS_ITSELF" ; then
1134                                 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
1135                                 OPENSSL_SEEDS_ITSELF=yes
1136                                 USE_RAND_HELPER=""
1137                         fi
1138                 else
1139                         USE_RAND_HELPER=yes
1140                 fi
1141         ],
1142 )
1143
1144 # Which randomness source do we use?
1145 if test ! -z "$OPENSSL_SEEDS_ITSELF" -a -z "$USE_RAND_HELPER" ; then
1146         # OpenSSL only
1147         AC_DEFINE(OPENSSL_PRNG_ONLY)
1148         RAND_MSG="OpenSSL internal ONLY"
1149         INSTALL_SSH_RAND_HELPER=""
1150 elif test ! -z "$USE_RAND_HELPER" ; then
1151         # install rand helper
1152         RAND_MSG="ssh-rand-helper"
1153         INSTALL_SSH_RAND_HELPER="yes"
1154 fi
1155 AC_SUBST(INSTALL_SSH_RAND_HELPER)
1156
1157 ### Configuration of ssh-rand-helper
1158
1159 # PRNGD TCP socket
1160 AC_ARG_WITH(prngd-port,
1161         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD TCP localhost:PORT],
1162         [
1163                 case "$withval" in
1164                 no)
1165                         withval=""
1166                         ;;
1167                 [[0-9]]*)
1168                         ;;
1169                 *)
1170                         AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
1171                         ;;
1172                 esac
1173                 if test ! -z "$withval" ; then
1174                         PRNGD_PORT="$withval"
1175                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
1176                 fi
1177         ]
1178 )
1179
1180 # PRNGD Unix domain socket
1181 AC_ARG_WITH(prngd-socket,
1182         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1183         [
1184                 case "$withval" in
1185                 yes)
1186                         withval="/var/run/egd-pool"
1187                         ;;
1188                 no)
1189                         withval=""
1190                         ;;
1191                 /*)
1192                         ;;
1193                 *)
1194                         AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
1195                         ;;
1196                 esac
1197
1198                 if test ! -z "$withval" ; then
1199                         if test ! -z "$PRNGD_PORT" ; then
1200                                 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
1201                         fi
1202                         if test ! -r "$withval" ; then
1203                                 AC_MSG_WARN(Entropy socket is not readable)
1204                         fi
1205                         PRNGD_SOCKET="$withval"
1206                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1207                 fi
1208         ],
1209         [
1210                 # Check for existing socket only if we don't have a random device already
1211                 if test "$USE_RAND_HELPER" = yes ; then
1212                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1213                         # Insert other locations here
1214                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1215                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1216                                         PRNGD_SOCKET="$sock"
1217                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1218                                         break;
1219                                 fi
1220                         done
1221                         if test ! -z "$PRNGD_SOCKET" ; then
1222                                 AC_MSG_RESULT($PRNGD_SOCKET)
1223                         else
1224                                 AC_MSG_RESULT(not found)
1225                         fi
1226                 fi
1227         ]
1228 )
1229
1230 # Change default command timeout for hashing entropy source
1231 entropy_timeout=200
1232 AC_ARG_WITH(entropy-timeout,
1233         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1234         [
1235                 if test "x$withval" != "xno" ; then
1236                         entropy_timeout=$withval
1237                 fi
1238         ]
1239 )
1240 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1241
1242 SSH_PRIVSEP_USER=sshd
1243 AC_ARG_WITH(privsep-user,
1244         [  --with-privsep-user=user Specify non-privileged user for privilege separation],
1245         [
1246                 if test -n "$withval"; then
1247                         SSH_PRIVSEP_USER=$withval
1248                 fi
1249         ]
1250 )
1251 AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$SSH_PRIVSEP_USER")
1252 AC_SUBST(SSH_PRIVSEP_USER)
1253
1254 # We do this little dance with the search path to insure
1255 # that programs that we select for use by installed programs
1256 # (which may be run by the super-user) come from trusted
1257 # locations before they come from the user's private area.
1258 # This should help avoid accidentally configuring some
1259 # random version of a program in someone's personal bin.
1260
1261 OPATH=$PATH
1262 PATH=/bin:/usr/bin
1263 test -h /bin 2> /dev/null && PATH=/usr/bin
1264 test -d /sbin && PATH=$PATH:/sbin
1265 test -d /usr/sbin && PATH=$PATH:/usr/sbin
1266 PATH=$PATH:/etc:$OPATH
1267
1268 # These programs are used by the command hashing source to gather entropy
1269 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1270 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1271 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1272 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1273 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
1274 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1275 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
1276 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1277 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1278 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1279 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1280 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1281 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1282 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1283 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1284 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1285 # restore PATH
1286 PATH=$OPATH
1287
1288 # Where does ssh-rand-helper get its randomness from?
1289 INSTALL_SSH_PRNG_CMDS=""
1290 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
1291         if test ! -z "$PRNGD_PORT" ; then
1292                 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
1293         elif test ! -z "$PRNGD_SOCKET" ; then
1294                 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
1295         else
1296                 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
1297                 RAND_HELPER_CMDHASH=yes
1298                 INSTALL_SSH_PRNG_CMDS="yes"
1299         fi
1300 fi
1301 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1302
1303
1304 # Cheap hack to ensure NEWS-OS libraries are arranged right.
1305 if test ! -z "$SONY" ; then
1306   LIBS="$LIBS -liberty";
1307 fi
1308
1309 # Checks for data types
1310 AC_CHECK_SIZEOF(char, 1)
1311 AC_CHECK_SIZEOF(short int, 2)
1312 AC_CHECK_SIZEOF(int, 4)
1313 AC_CHECK_SIZEOF(long int, 4)
1314 AC_CHECK_SIZEOF(long long int, 8)
1315
1316 # Sanity check long long for some platforms (AIX)
1317 if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
1318         ac_cv_sizeof_long_long_int=0
1319 fi
1320
1321 # More checks for data types
1322 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
1323         AC_TRY_COMPILE(
1324                 [ #include <sys/types.h> ],
1325                 [ u_int a; a = 1;],
1326                 [ ac_cv_have_u_int="yes" ],
1327                 [ ac_cv_have_u_int="no" ]
1328         )
1329 ])
1330 if test "x$ac_cv_have_u_int" = "xyes" ; then
1331         AC_DEFINE(HAVE_U_INT)
1332         have_u_int=1
1333 fi
1334
1335 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
1336         AC_TRY_COMPILE(
1337                 [ #include <sys/types.h> ],
1338                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1339                 [ ac_cv_have_intxx_t="yes" ],
1340                 [ ac_cv_have_intxx_t="no" ]
1341         )
1342 ])
1343 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
1344         AC_DEFINE(HAVE_INTXX_T)
1345         have_intxx_t=1
1346 fi
1347
1348 if (test -z "$have_intxx_t" && \
1349            test "x$ac_cv_header_stdint_h" = "xyes")
1350 then
1351     AC_MSG_CHECKING([for intXX_t types in stdint.h])
1352         AC_TRY_COMPILE(
1353                 [ #include <stdint.h> ],
1354                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1355                 [
1356                         AC_DEFINE(HAVE_INTXX_T)
1357                         AC_MSG_RESULT(yes)
1358                 ],
1359                 [ AC_MSG_RESULT(no) ]
1360         )
1361 fi
1362
1363 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
1364         AC_TRY_COMPILE(
1365                 [
1366 #include <sys/types.h>
1367 #ifdef HAVE_STDINT_H
1368 # include <stdint.h>
1369 #endif
1370 #include <sys/socket.h>
1371 #ifdef HAVE_SYS_BITYPES_H
1372 # include <sys/bitypes.h>
1373 #endif
1374                 ],
1375                 [ int64_t a; a = 1;],
1376                 [ ac_cv_have_int64_t="yes" ],
1377                 [ ac_cv_have_int64_t="no" ]
1378         )
1379 ])
1380 if test "x$ac_cv_have_int64_t" = "xyes" ; then
1381         AC_DEFINE(HAVE_INT64_T)
1382 fi
1383
1384 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
1385         AC_TRY_COMPILE(
1386                 [ #include <sys/types.h> ],
1387                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1388                 [ ac_cv_have_u_intxx_t="yes" ],
1389                 [ ac_cv_have_u_intxx_t="no" ]
1390         )
1391 ])
1392 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
1393         AC_DEFINE(HAVE_U_INTXX_T)
1394         have_u_intxx_t=1
1395 fi
1396
1397 if test -z "$have_u_intxx_t" ; then
1398     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
1399         AC_TRY_COMPILE(
1400                 [ #include <sys/socket.h> ],
1401                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1402                 [
1403                         AC_DEFINE(HAVE_U_INTXX_T)
1404                         AC_MSG_RESULT(yes)
1405                 ],
1406                 [ AC_MSG_RESULT(no) ]
1407         )
1408 fi
1409
1410 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
1411         AC_TRY_COMPILE(
1412                 [ #include <sys/types.h> ],
1413                 [ u_int64_t a; a = 1;],
1414                 [ ac_cv_have_u_int64_t="yes" ],
1415                 [ ac_cv_have_u_int64_t="no" ]
1416         )
1417 ])
1418 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
1419         AC_DEFINE(HAVE_U_INT64_T)
1420         have_u_int64_t=1
1421 fi
1422
1423 if test -z "$have_u_int64_t" ; then
1424     AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
1425         AC_TRY_COMPILE(
1426                 [ #include <sys/bitypes.h> ],
1427                 [ u_int64_t a; a = 1],
1428                 [
1429                         AC_DEFINE(HAVE_U_INT64_T)
1430                         AC_MSG_RESULT(yes)
1431                 ],
1432                 [ AC_MSG_RESULT(no) ]
1433         )
1434 fi
1435
1436 if test -z "$have_u_intxx_t" ; then
1437         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
1438                 AC_TRY_COMPILE(
1439                         [
1440 #include <sys/types.h>
1441                         ],
1442                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
1443                         [ ac_cv_have_uintxx_t="yes" ],
1444                         [ ac_cv_have_uintxx_t="no" ]
1445                 )
1446         ])
1447         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
1448                 AC_DEFINE(HAVE_UINTXX_T)
1449         fi
1450 fi
1451
1452 if test -z "$have_uintxx_t" ; then
1453     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
1454         AC_TRY_COMPILE(
1455                 [ #include <stdint.h> ],
1456                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
1457                 [
1458                         AC_DEFINE(HAVE_UINTXX_T)
1459                         AC_MSG_RESULT(yes)
1460                 ],
1461                 [ AC_MSG_RESULT(no) ]
1462         )
1463 fi
1464
1465 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
1466            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
1467 then
1468         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
1469         AC_TRY_COMPILE(
1470                 [
1471 #include <sys/bitypes.h>
1472                 ],
1473                 [
1474                         int8_t a; int16_t b; int32_t c;
1475                         u_int8_t e; u_int16_t f; u_int32_t g;
1476                         a = b = c = e = f = g = 1;
1477                 ],
1478                 [
1479                         AC_DEFINE(HAVE_U_INTXX_T)
1480                         AC_DEFINE(HAVE_INTXX_T)
1481                         AC_MSG_RESULT(yes)
1482                 ],
1483                 [AC_MSG_RESULT(no)]
1484         )
1485 fi
1486
1487
1488 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
1489         AC_TRY_COMPILE(
1490                 [
1491 #include <sys/types.h>
1492                 ],
1493                 [ u_char foo; foo = 125; ],
1494                 [ ac_cv_have_u_char="yes" ],
1495                 [ ac_cv_have_u_char="no" ]
1496         )
1497 ])
1498 if test "x$ac_cv_have_u_char" = "xyes" ; then
1499         AC_DEFINE(HAVE_U_CHAR)
1500 fi
1501
1502 TYPE_SOCKLEN_T
1503
1504 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
1505
1506 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
1507         AC_TRY_COMPILE(
1508                 [
1509 #include <sys/types.h>
1510                 ],
1511                 [ size_t foo; foo = 1235; ],
1512                 [ ac_cv_have_size_t="yes" ],
1513                 [ ac_cv_have_size_t="no" ]
1514         )
1515 ])
1516 if test "x$ac_cv_have_size_t" = "xyes" ; then
1517         AC_DEFINE(HAVE_SIZE_T)
1518 fi
1519
1520 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
1521         AC_TRY_COMPILE(
1522                 [
1523 #include <sys/types.h>
1524                 ],
1525                 [ ssize_t foo; foo = 1235; ],
1526                 [ ac_cv_have_ssize_t="yes" ],
1527                 [ ac_cv_have_ssize_t="no" ]
1528         )
1529 ])
1530 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
1531         AC_DEFINE(HAVE_SSIZE_T)
1532 fi
1533
1534 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
1535         AC_TRY_COMPILE(
1536                 [
1537 #include <time.h>
1538                 ],
1539                 [ clock_t foo; foo = 1235; ],
1540                 [ ac_cv_have_clock_t="yes" ],
1541                 [ ac_cv_have_clock_t="no" ]
1542         )
1543 ])
1544 if test "x$ac_cv_have_clock_t" = "xyes" ; then
1545         AC_DEFINE(HAVE_CLOCK_T)
1546 fi
1547
1548 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
1549         AC_TRY_COMPILE(
1550                 [
1551 #include <sys/types.h>
1552 #include <sys/socket.h>
1553                 ],
1554                 [ sa_family_t foo; foo = 1235; ],
1555                 [ ac_cv_have_sa_family_t="yes" ],
1556                 [ AC_TRY_COMPILE(
1557                   [
1558 #include <sys/types.h>
1559 #include <sys/socket.h>
1560 #include <netinet/in.h>
1561                 ],
1562                 [ sa_family_t foo; foo = 1235; ],
1563                 [ ac_cv_have_sa_family_t="yes" ],
1564
1565                 [ ac_cv_have_sa_family_t="no" ]
1566         )]
1567         )
1568 ])
1569 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
1570         AC_DEFINE(HAVE_SA_FAMILY_T)
1571 fi
1572
1573 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
1574         AC_TRY_COMPILE(
1575                 [
1576 #include <sys/types.h>
1577                 ],
1578                 [ pid_t foo; foo = 1235; ],
1579                 [ ac_cv_have_pid_t="yes" ],
1580                 [ ac_cv_have_pid_t="no" ]
1581         )
1582 ])
1583 if test "x$ac_cv_have_pid_t" = "xyes" ; then
1584         AC_DEFINE(HAVE_PID_T)
1585 fi
1586
1587 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
1588         AC_TRY_COMPILE(
1589                 [
1590 #include <sys/types.h>
1591                 ],
1592                 [ mode_t foo; foo = 1235; ],
1593                 [ ac_cv_have_mode_t="yes" ],
1594                 [ ac_cv_have_mode_t="no" ]
1595         )
1596 ])
1597 if test "x$ac_cv_have_mode_t" = "xyes" ; then
1598         AC_DEFINE(HAVE_MODE_T)
1599 fi
1600
1601
1602 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
1603         AC_TRY_COMPILE(
1604                 [
1605 #include <sys/types.h>
1606 #include <sys/socket.h>
1607                 ],
1608                 [ struct sockaddr_storage s; ],
1609                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
1610                 [ ac_cv_have_struct_sockaddr_storage="no" ]
1611         )
1612 ])
1613 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
1614         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
1615 fi
1616
1617 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
1618         AC_TRY_COMPILE(
1619                 [
1620 #include <sys/types.h>
1621 #include <netinet/in.h>
1622                 ],
1623                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1624                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1625                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1626         )
1627 ])
1628 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1629         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1630 fi
1631
1632 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1633         AC_TRY_COMPILE(
1634                 [
1635 #include <sys/types.h>
1636 #include <netinet/in.h>
1637                 ],
1638                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1639                 [ ac_cv_have_struct_in6_addr="yes" ],
1640                 [ ac_cv_have_struct_in6_addr="no" ]
1641         )
1642 ])
1643 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1644         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1645 fi
1646
1647 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1648         AC_TRY_COMPILE(
1649                 [
1650 #include <sys/types.h>
1651 #include <sys/socket.h>
1652 #include <netdb.h>
1653                 ],
1654                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1655                 [ ac_cv_have_struct_addrinfo="yes" ],
1656                 [ ac_cv_have_struct_addrinfo="no" ]
1657         )
1658 ])
1659 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1660         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1661 fi
1662
1663 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1664         AC_TRY_COMPILE(
1665                 [ #include <sys/time.h> ],
1666                 [ struct timeval tv; tv.tv_sec = 1;],
1667                 [ ac_cv_have_struct_timeval="yes" ],
1668                 [ ac_cv_have_struct_timeval="no" ]
1669         )
1670 ])
1671 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1672         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1673         have_struct_timeval=1
1674 fi
1675
1676 # If we don't have int64_t then we can't compile sftp-server.  So don't
1677 # even attempt to do it.
1678 if test "x$ac_cv_have_int64_t" = "xno" -a \
1679         "x$ac_cv_sizeof_long_int" != "x8" -a \
1680         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1681         NO_SFTP='#'
1682 else
1683 dnl test snprintf (broken on SCO w/gcc)
1684         AC_TRY_RUN(
1685                 [
1686 #include <stdio.h>
1687 #include <string.h>
1688 #ifdef HAVE_SNPRINTF
1689 main()
1690 {
1691         char buf[50];
1692         char expected_out[50];
1693         int mazsize = 50 ;
1694 #if (SIZEOF_LONG_INT == 8)
1695         long int num = 0x7fffffffffffffff;
1696 #else
1697         long long num = 0x7fffffffffffffffll;
1698 #endif
1699         strcpy(expected_out, "9223372036854775807");
1700         snprintf(buf, mazsize, "%lld", num);
1701         if(strcmp(buf, expected_out) != 0)
1702                 exit(1);
1703         exit(0);
1704 }
1705 #else
1706 main() { exit(0); }
1707 #endif
1708                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1709         )
1710 fi
1711 AC_SUBST(NO_SFTP)
1712
1713 dnl Checks for structure members
1714 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1715 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1716 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1717 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1718 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1719 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1720 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1721 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1722 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1723 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1724 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1725 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1726 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1727 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1728 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1729 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1730 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1731
1732 AC_CHECK_MEMBERS([struct stat.st_blksize])
1733
1734 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1735                 ac_cv_have_ss_family_in_struct_ss, [
1736         AC_TRY_COMPILE(
1737                 [
1738 #include <sys/types.h>
1739 #include <sys/socket.h>
1740                 ],
1741                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1742                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1743                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1744         )
1745 ])
1746 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1747         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1748 fi
1749
1750 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1751                 ac_cv_have___ss_family_in_struct_ss, [
1752         AC_TRY_COMPILE(
1753                 [
1754 #include <sys/types.h>
1755 #include <sys/socket.h>
1756                 ],
1757                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1758                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1759                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1760         )
1761 ])
1762 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1763         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1764 fi
1765
1766 AC_CACHE_CHECK([for pw_class field in struct passwd],
1767                 ac_cv_have_pw_class_in_struct_passwd, [
1768         AC_TRY_COMPILE(
1769                 [
1770 #include <pwd.h>
1771                 ],
1772                 [ struct passwd p; p.pw_class = 0; ],
1773                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1774                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1775         )
1776 ])
1777 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1778         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1779 fi
1780
1781 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1782                 ac_cv_have_pw_expire_in_struct_passwd, [
1783         AC_TRY_COMPILE(
1784                 [
1785 #include <pwd.h>
1786                 ],
1787                 [ struct passwd p; p.pw_expire = 0; ],
1788                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1789                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1790         )
1791 ])
1792 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1793         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1794 fi
1795
1796 AC_CACHE_CHECK([for pw_change field in struct passwd],
1797                 ac_cv_have_pw_change_in_struct_passwd, [
1798         AC_TRY_COMPILE(
1799                 [
1800 #include <pwd.h>
1801                 ],
1802                 [ struct passwd p; p.pw_change = 0; ],
1803                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1804                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1805         )
1806 ])
1807 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1808         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1809 fi
1810
1811 dnl make sure we're using the real structure members and not defines
1812 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
1813                 ac_cv_have_accrights_in_msghdr, [
1814         AC_TRY_RUN(
1815                 [
1816 #include <sys/types.h>
1817 #include <sys/socket.h>
1818 #include <sys/uio.h>
1819 int main() {
1820 #ifdef msg_accrights
1821 exit(1);
1822 #endif
1823 struct msghdr m;
1824 m.msg_accrights = 0;
1825 exit(0);
1826 }
1827                 ],
1828                 [ ac_cv_have_accrights_in_msghdr="yes" ],
1829                 [ ac_cv_have_accrights_in_msghdr="no" ]
1830         )
1831 ])
1832 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
1833         AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
1834 fi
1835
1836 AC_CACHE_CHECK([for msg_control field in struct msghdr],
1837                 ac_cv_have_control_in_msghdr, [
1838         AC_TRY_RUN(
1839                 [
1840 #include <sys/types.h>
1841 #include <sys/socket.h>
1842 #include <sys/uio.h>
1843 int main() {
1844 #ifdef msg_control
1845 exit(1);
1846 #endif
1847 struct msghdr m;
1848 m.msg_control = 0;
1849 exit(0);
1850 }
1851                 ],
1852                 [ ac_cv_have_control_in_msghdr="yes" ],
1853                 [ ac_cv_have_control_in_msghdr="no" ]
1854         )
1855 ])
1856 if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
1857         AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
1858 fi
1859
1860 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1861         AC_TRY_LINK([],
1862                 [ extern char *__progname; printf("%s", __progname); ],
1863                 [ ac_cv_libc_defines___progname="yes" ],
1864                 [ ac_cv_libc_defines___progname="no" ]
1865         )
1866 ])
1867 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1868         AC_DEFINE(HAVE___PROGNAME)
1869 fi
1870
1871 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
1872         AC_TRY_LINK([
1873 #include <stdio.h>
1874 ],
1875                 [ printf("%s", __FUNCTION__); ],
1876                 [ ac_cv_cc_implements___FUNCTION__="yes" ],
1877                 [ ac_cv_cc_implements___FUNCTION__="no" ]
1878         )
1879 ])
1880 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
1881         AC_DEFINE(HAVE___FUNCTION__)
1882 fi
1883
1884 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
1885         AC_TRY_LINK([
1886 #include <stdio.h>
1887 ],
1888                 [ printf("%s", __func__); ],
1889                 [ ac_cv_cc_implements___func__="yes" ],
1890                 [ ac_cv_cc_implements___func__="no" ]
1891         )
1892 ])
1893 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
1894         AC_DEFINE(HAVE___func__)
1895 fi
1896
1897 AC_CACHE_CHECK([whether getopt has optreset support],
1898                 ac_cv_have_getopt_optreset, [
1899         AC_TRY_LINK(
1900                 [
1901 #include <getopt.h>
1902                 ],
1903                 [ extern int optreset; optreset = 0; ],
1904                 [ ac_cv_have_getopt_optreset="yes" ],
1905                 [ ac_cv_have_getopt_optreset="no" ]
1906         )
1907 ])
1908 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
1909         AC_DEFINE(HAVE_GETOPT_OPTRESET)
1910 fi
1911
1912 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1913         AC_TRY_LINK([],
1914                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1915                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1916                 [ ac_cv_libc_defines_sys_errlist="no" ]
1917         )
1918 ])
1919 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1920         AC_DEFINE(HAVE_SYS_ERRLIST)
1921 fi
1922
1923
1924 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1925         AC_TRY_LINK([],
1926                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1927                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1928                 [ ac_cv_libc_defines_sys_nerr="no" ]
1929         )
1930 ])
1931 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1932         AC_DEFINE(HAVE_SYS_NERR)
1933 fi
1934
1935 SCARD_MSG="no"
1936
1937 # Check whether user wants sectok support
1938 AC_ARG_WITH(sectok,
1939         [  --with-sectok           Enable smartcard support using libsectok],
1940         [
1941                 if test "x$withval" != "xno" ; then
1942                         if test "x$withval" != "xyes" ; then
1943                                 CPPFLAGS="$CPPFLAGS -I${withval}"
1944                                 LDFLAGS="$LDFLAGS -L${withval}"
1945                                 if test ! -z "$need_dash_r" ; then
1946                                         LDFLAGS="$LDFLAGS -R${withval}"
1947                                 fi
1948                                 if test ! -z "$blibpath" ; then
1949                                         blibpath="$blibpath:${withval}"
1950                                 fi
1951                         fi
1952                         AC_CHECK_HEADERS(sectok.h)
1953                         if test "$ac_cv_header_sectok_h" != yes; then
1954                                 AC_MSG_ERROR(Can't find sectok.h)
1955                         fi
1956                         AC_CHECK_LIB(sectok, sectok_open)
1957                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
1958                                 AC_MSG_ERROR(Can't find libsectok)
1959                         fi
1960                         AC_DEFINE(SMARTCARD)
1961                         AC_DEFINE(USE_SECTOK)
1962                         SCARD_MSG="yes, using sectok"
1963                 fi
1964         ]
1965 )
1966
1967 # Check whether user wants OpenSC support
1968 AC_ARG_WITH(opensc,
1969         AC_HELP_STRING([--with-opensc=PFX],
1970                        [Enable smartcard support using OpenSC]),
1971         opensc_config_prefix="$withval", opensc_config_prefix="")
1972 if test x$opensc_config_prefix != x ; then
1973   OPENSC_CONFIG=$opensc_config_prefix/bin/opensc-config
1974   AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
1975   if test "$OPENSC_CONFIG" != "no"; then
1976     LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
1977     LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
1978     CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
1979     LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"
1980     AC_DEFINE(SMARTCARD)
1981     AC_DEFINE(USE_OPENSC)
1982     SCARD_MSG="yes, using OpenSC"
1983   fi
1984 fi
1985
1986 # Check whether user wants Kerberos 5 support
1987 KRB5_MSG="no"
1988 AC_ARG_WITH(kerberos5,
1989         [  --with-kerberos5=PATH   Enable Kerberos 5 support],
1990         [
1991                 if test "x$withval" != "xno" ; then
1992                         if test "x$withval" = "xyes" ; then
1993                                 KRB5ROOT="/usr/local"
1994                         else
1995                                 KRB5ROOT=${withval}
1996                         fi
1997                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
1998                         LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
1999                         AC_DEFINE(KRB5)
2000                         KRB5_MSG="yes"
2001                         AC_MSG_CHECKING(whether we are using Heimdal)
2002                         AC_TRY_COMPILE([ #include <krb5.h> ],
2003                                        [ char *tmp = heimdal_version; ],
2004                                        [ AC_MSG_RESULT(yes)
2005                                          AC_DEFINE(HEIMDAL)
2006                                          K5LIBS="-lkrb5 -ldes -lcom_err -lasn1 -lroken"
2007                                        ],
2008                                        [ AC_MSG_RESULT(no)
2009                                          K5LIBS="-lkrb5 -lk5crypto -lcom_err"
2010                                        ]
2011                         )
2012                         if test ! -z "$need_dash_r" ; then
2013                                 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
2014                         fi
2015                         if test ! -z "$blibpath" ; then
2016                                 blibpath="$blibpath:${KRB5ROOT}/lib"
2017                         fi
2018                         AC_CHECK_LIB(resolv, dn_expand, , )
2019
2020                         # If we're using some other GSSAPI
2021                         if test "$GSSAPI" -a "$GSSAPI" != "mechglue"; then
2022                                 AC_MSG_ERROR([$GSSAPI GSSAPI library conflicts with Kerberos support.  Use mechglue instead.])
2023                         fi
2024                         AC_CHECK_LIB(gssapi,gss_init_sec_context,
2025                                 [ AC_DEFINE(GSSAPI)
2026                                   K5LIBS="-lgssapi $K5LIBS" ],
2027                                 [ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
2028                                         [ AC_DEFINE(GSSAPI)
2029                                           K5LIBS="-lgssapi_krb5 $K5LIBS" ],
2030                                         AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
2031                                         $K5LIBS)
2032                                 ],
2033                                 $K5LIBS)
2034
2035                         AC_CHECK_HEADER(gssapi.h, ,
2036                                 [ unset ac_cv_header_gssapi_h
2037                                   CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
2038                                   AC_CHECK_HEADERS(gssapi.h, ,
2039                                         AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
2040                                   )
2041                                 ]
2042                         )
2043
2044                         AC_CHECK_LIB(gssapi, gss_krb5_copy_ccache, /bin/true,
2045                                 [ K5LIBS="-lgssapi_krb5 $K5LIBS"
2046                                   AC_CHECK_LIB(gssapi_krb5, gss_krb5_copy_ccache, /bin/true,
2047                                         AC_MSG_WARN([Cannot find gss_krb5_copy_ccache -- build may fail]),
2048                                         $K5LIBS)
2049                                 ],
2050                                 $K5LIBS)
2051
2052                         oldCPP="$CPPFLAGS"
2053                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
2054                         AC_CHECK_HEADER(gssapi_krb5.h, ,
2055                                         [ CPPFLAGS="$oldCPP" ])
2056
2057                         if test -z "$GSSAPI"; then
2058                                 GSSAPI="KRB5";
2059                         fi
2060
2061                         KRB5=yes
2062                 fi
2063         ]
2064 )
2065 # Check whether user wants Kerberos 4 support
2066 KRB4_MSG="no"
2067 AC_ARG_WITH(kerberos4,
2068         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
2069         [
2070                 if test "x$withval" != "xno" ; then
2071                         if test "x$withval" != "xyes" ; then
2072                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
2073                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
2074                                 if test ! -z "$need_dash_r" ; then
2075                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
2076                                 fi
2077                                 if test ! -z "$blibpath" ; then
2078                                         blibpath="$blibpath:${withval}/lib"
2079                                 fi
2080                         else
2081                                 if test -d /usr/include/kerberosIV ; then
2082                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
2083                                 fi
2084                         fi
2085
2086                         AC_CHECK_HEADERS(krb.h)
2087                         if test "$ac_cv_header_krb_h" != yes; then
2088                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
2089                         fi
2090                         AC_CHECK_LIB(krb, main)
2091                         if test "$ac_cv_lib_krb_main" != yes; then
2092                                 AC_CHECK_LIB(krb4, main)
2093                                 if test "$ac_cv_lib_krb4_main" != yes; then
2094                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
2095                                 else
2096                                         KLIBS="-lkrb4"
2097                                 fi
2098                         else
2099                                 KLIBS="-lkrb"
2100                         fi
2101                         AC_CHECK_LIB(des, des_cbc_encrypt)
2102                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
2103                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
2104                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
2105                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
2106                                 else
2107                                         KLIBS="-ldes425"
2108                                 fi
2109                         else
2110                                 KLIBS="-ldes"
2111                         fi
2112                         AC_CHECK_LIB(resolv, dn_expand, , )
2113                         KRB4=yes
2114                         KRB4_MSG="yes"
2115                         AC_DEFINE(KRB4)
2116                 fi
2117         ]
2118 )
2119
2120 # Check whether user wants AFS support
2121 AFS_MSG="no"
2122 AC_ARG_WITH(afs,
2123         [  --with-afs=PATH         Enable AFS support],
2124         [
2125                 if test "x$withval" != "xno" ; then
2126
2127                         if test "x$withval" != "xyes" ; then
2128                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
2129                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
2130                         fi
2131
2132                         if test -z "$KRB4" ; then
2133                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
2134                         fi
2135
2136                         LIBS="-lkafs $LIBS"
2137                         if test ! -z "$AFS_LIBS" ; then
2138                                 LIBS="$LIBS $AFS_LIBS"
2139                         fi
2140                         AC_DEFINE(AFS)
2141                         AFS_MSG="yes"
2142                 fi
2143         ]
2144 )
2145 LIBS="$LIBS $KLIBS $K5LIBS"
2146
2147 # Looking for programs, paths and files
2148
2149 PRIVSEP_PATH=/var/empty
2150 AC_ARG_WITH(privsep-path,
2151         [  --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)],
2152         [
2153                 if test "x$withval" != "$no" ; then
2154                         PRIVSEP_PATH=$withval
2155                 fi
2156         ]
2157 )
2158 AC_SUBST(PRIVSEP_PATH)
2159
2160 AC_ARG_WITH(xauth,
2161         [  --with-xauth=PATH       Specify path to xauth program ],
2162         [
2163                 if test "x$withval" != "xno" ; then
2164                         xauth_path=$withval
2165                 fi
2166         ],
2167         [
2168                 TestPath="$PATH"
2169                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X/bin"
2170                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/bin/X11"
2171                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X11R6/bin"
2172                 TestPath="${TestPath}${PATH_SEPARATOR}/usr/openwin/bin"
2173                 AC_PATH_PROG(xauth_path, xauth, , $TestPath)
2174                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
2175                         xauth_path="/usr/openwin/bin/xauth"
2176                 fi
2177         ]
2178 )
2179
2180 if test -z "$xauth_path" ; then
2181         XAUTH_PATH="undefined"
2182         AC_SUBST(XAUTH_PATH)
2183 else
2184         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
2185         XAUTH_PATH=$xauth_path
2186         AC_SUBST(XAUTH_PATH)
2187 fi
2188
2189 # Check for mail directory (last resort if we cannot get it from headers)
2190 if test ! -z "$MAIL" ; then
2191         maildir=`dirname $MAIL`
2192         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
2193 fi
2194
2195 if test -z "$no_dev_ptmx" ; then
2196         if test "x$disable_ptmx_check" != "xyes" ; then
2197                 AC_CHECK_FILE("/dev/ptmx",
2198                         [
2199                                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
2200                                 have_dev_ptmx=1
2201                         ]
2202                 )
2203         fi
2204 fi
2205 AC_CHECK_FILE("/dev/ptc",
2206         [
2207                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
2208                 have_dev_ptc=1
2209         ]
2210 )
2211
2212 # Options from here on. Some of these are preset by platform above
2213 AC_ARG_WITH(mantype,
2214         [  --with-mantype=man|cat|doc  Set man page type],
2215         [
2216                 case "$withval" in
2217                 man|cat|doc)
2218                         MANTYPE=$withval
2219                         ;;
2220                 *)
2221                         AC_MSG_ERROR(invalid man type: $withval)
2222                         ;;
2223                 esac
2224         ]
2225 )
2226 if test -z "$MANTYPE"; then
2227         TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb"
2228         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, $TestPath)
2229         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
2230                 MANTYPE=doc
2231         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
2232                 MANTYPE=man
2233         else
2234                 MANTYPE=cat
2235         fi
2236 fi
2237 AC_SUBST(MANTYPE)
2238 if test "$MANTYPE" = "doc"; then
2239         mansubdir=man;
2240 else
2241         mansubdir=$MANTYPE;
2242 fi
2243 AC_SUBST(mansubdir)
2244
2245 # Check whether to enable MD5 passwords
2246 MD5_MSG="no"
2247 AC_ARG_WITH(md5-passwords,
2248         [  --with-md5-passwords    Enable use of MD5 passwords],
2249         [
2250                 if test "x$withval" != "xno" ; then
2251                         AC_DEFINE(HAVE_MD5_PASSWORDS)
2252                         MD5_MSG="yes"
2253                 fi
2254         ]
2255 )
2256
2257 # Whether to disable shadow password support
2258 AC_ARG_WITH(shadow,
2259         [  --without-shadow        Disable shadow password support],
2260         [
2261                 if test "x$withval" = "xno" ; then
2262                         AC_DEFINE(DISABLE_SHADOW)
2263                         disable_shadow=yes
2264                 fi
2265         ]
2266 )
2267
2268 if test -z "$disable_shadow" ; then
2269         AC_MSG_CHECKING([if the systems has expire shadow information])
2270         AC_TRY_COMPILE(
2271         [
2272 #include <sys/types.h>
2273 #include <shadow.h>
2274         struct spwd sp;
2275         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
2276         [ sp_expire_available=yes ], []
2277         )
2278
2279         if test "x$sp_expire_available" = "xyes" ; then
2280                 AC_MSG_RESULT(yes)
2281                 AC_DEFINE(HAS_SHADOW_EXPIRE)
2282         else
2283                 AC_MSG_RESULT(no)
2284         fi
2285 fi
2286
2287 # Use ip address instead of hostname in $DISPLAY
2288 if test ! -z "$IPADDR_IN_DISPLAY" ; then
2289         DISPLAY_HACK_MSG="yes"
2290         AC_DEFINE(IPADDR_IN_DISPLAY)
2291 else
2292         DISPLAY_HACK_MSG="no"
2293         AC_ARG_WITH(ipaddr-display,
2294                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
2295                 [
2296                         if test "x$withval" != "xno" ; then
2297                                 AC_DEFINE(IPADDR_IN_DISPLAY)
2298                                 DISPLAY_HACK_MSG="yes"
2299                         fi
2300                 ]
2301         )
2302 fi
2303
2304 dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
2305 if test $ac_cv_func_login_getcapbool = "yes" -a \
2306         $ac_cv_header_login_cap_h = "yes" ; then
2307         USES_LOGIN_CONF=yes
2308 fi
2309 # Whether to mess with the default path
2310 SERVER_PATH_MSG="(default)"
2311 AC_ARG_WITH(default-path,
2312         [  --with-default-path=    Specify default \$PATH environment for server],
2313         [
2314                 if test "$USES_LOGIN_CONF" = "yes" ; then
2315                         AC_MSG_WARN([
2316 --with-default-path=PATH has no effect on this system.
2317 Edit /etc/login.conf instead.])
2318                 elif test "x$withval" != "xno" ; then
2319                         user_path="$withval"
2320                         SERVER_PATH_MSG="$withval"
2321                 fi
2322         ],
2323         [ if test "$USES_LOGIN_CONF" = "yes" ; then
2324         AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
2325         else
2326         AC_TRY_RUN(
2327                 [
2328 /* find out what STDPATH is */
2329 #include <stdio.h>
2330 #ifdef HAVE_PATHS_H
2331 # include <paths.h>
2332 #endif
2333 #ifndef _PATH_STDPATH
2334 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
2335 #endif
2336 #include <sys/types.h>
2337 #include <sys/stat.h>
2338 #include <fcntl.h>
2339 #define DATA "conftest.stdpath"
2340
2341 main()
2342 {
2343         FILE *fd;
2344         int rc;
2345
2346         fd = fopen(DATA,"w");
2347         if(fd == NULL)
2348                 exit(1);
2349
2350         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
2351                 exit(1);
2352
2353         exit(0);
2354 }
2355                 ], [ user_path=`cat conftest.stdpath` ],
2356                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
2357                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
2358         )
2359 # make sure $bindir is in USER_PATH so scp will work
2360                 t_bindir=`eval echo ${bindir}`
2361                 case $t_bindir in
2362                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
2363                 esac
2364                 case $t_bindir in
2365                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
2366                 esac
2367                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
2368                 if test $? -ne 0  ; then
2369                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
2370                         if test $? -ne 0  ; then
2371                                 user_path=$user_path:$t_bindir
2372                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
2373                         fi
2374                 fi
2375         fi ]
2376 )
2377 if test "$USES_LOGIN_CONF" != "yes" ; then
2378         AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
2379         AC_SUBST(user_path)
2380 fi
2381
2382 # Set superuser path separately to user path
2383 AC_ARG_WITH(superuser-path,
2384         [  --with-superuser-path=  Specify different path for super-user],
2385         [
2386                 if test "x$withval" != "xno" ; then
2387                         AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval")
2388                         superuser_path=$withval
2389                 fi
2390         ]
2391 )
2392
2393
2394 # Whether to force IPv4 by default (needed on broken glibc Linux)
2395 IPV4_HACK_MSG="no"
2396 AC_ARG_WITH(ipv4-default,
2397         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
2398         [
2399                 if test "x$withval" != "xno" ; then
2400                         AC_DEFINE(IPV4_DEFAULT)
2401                         IPV4_HACK_MSG="yes"
2402                 fi
2403         ]
2404 )
2405
2406 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
2407 IPV4_IN6_HACK_MSG="no"
2408 AC_ARG_WITH(4in6,
2409         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
2410         [
2411                 if test "x$withval" != "xno" ; then
2412                         AC_MSG_RESULT(yes)
2413                         AC_DEFINE(IPV4_IN_IPV6)
2414                         IPV4_IN6_HACK_MSG="yes"
2415                 else
2416                         AC_MSG_RESULT(no)
2417                 fi
2418         ],[
2419                 if test "x$inet6_default_4in6" = "xyes"; then
2420                         AC_MSG_RESULT([yes (default)])
2421                         AC_DEFINE(IPV4_IN_IPV6)
2422                         IPV4_IN6_HACK_MSG="yes"
2423                 else
2424                         AC_MSG_RESULT([no (default)])
2425                 fi
2426         ]
2427 )
2428
2429 # Whether to enable BSD auth support
2430 BSD_AUTH_MSG=no
2431 AC_ARG_WITH(bsd-auth,
2432         [  --with-bsd-auth         Enable BSD auth support],
2433         [
2434                 if test "x$withval" != "xno" ; then
2435                         AC_DEFINE(BSD_AUTH)
2436                         BSD_AUTH_MSG=yes
2437                 fi
2438         ]
2439 )
2440
2441 # Where to place sshd.pid
2442 piddir=/var/run
2443 # make sure the directory exists
2444 if test ! -d $piddir ; then
2445         piddir=`eval echo ${sysconfdir}`
2446         case $piddir in
2447                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
2448         esac
2449 fi
2450
2451 AC_ARG_WITH(pid-dir,
2452         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
2453         [
2454                 if test "x$withval" != "xno" ; then
2455                         piddir=$withval
2456                         if test ! -d $piddir ; then
2457                         AC_MSG_WARN([** no $piddir directory on this system **])
2458                         fi
2459                 fi
2460         ]
2461 )
2462
2463 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
2464 AC_SUBST(piddir)
2465
2466 dnl allow user to disable some login recording features
2467 AC_ARG_ENABLE(lastlog,
2468         [  --disable-lastlog       disable use of lastlog even if detected [no]],
2469         [ AC_DEFINE(DISABLE_LASTLOG) ]
2470 )
2471 AC_ARG_ENABLE(utmp,
2472         [  --disable-utmp          disable use of utmp even if detected [no]],
2473         [ AC_DEFINE(DISABLE_UTMP) ]
2474 )
2475 AC_ARG_ENABLE(utmpx,
2476         [  --disable-utmpx         disable use of utmpx even if detected [no]],
2477         [ AC_DEFINE(DISABLE_UTMPX) ]
2478 )
2479 AC_ARG_ENABLE(wtmp,
2480         [  --disable-wtmp          disable use of wtmp even if detected [no]],
2481         [ AC_DEFINE(DISABLE_WTMP) ]
2482 )
2483 AC_ARG_ENABLE(wtmpx,
2484         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
2485         [ AC_DEFINE(DISABLE_WTMPX) ]
2486 )
2487 AC_ARG_ENABLE(libutil,
2488         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
2489         [ AC_DEFINE(DISABLE_LOGIN) ]
2490 )
2491 AC_ARG_ENABLE(pututline,
2492         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
2493         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
2494 )
2495 AC_ARG_ENABLE(pututxline,
2496         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
2497         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
2498 )
2499 AC_ARG_WITH(lastlog,
2500   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
2501         [
2502                 if test "x$withval" = "xno" ; then
2503                         AC_DEFINE(DISABLE_LASTLOG)
2504                 else
2505                         conf_lastlog_location=$withval
2506                 fi
2507         ]
2508 )
2509
2510 dnl lastlog, [uw]tmpx? detection
2511 dnl  NOTE: set the paths in the platform section to avoid the
2512 dnl   need for command-line parameters
2513 dnl lastlog and [uw]tmp are subject to a file search if all else fails
2514
2515 dnl lastlog detection
2516 dnl  NOTE: the code itself will detect if lastlog is a directory
2517 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
2518 AC_TRY_COMPILE([
2519 #include <sys/types.h>
2520 #include <utmp.h>
2521 #ifdef HAVE_LASTLOG_H
2522 #  include <lastlog.h>
2523 #endif
2524 #ifdef HAVE_PATHS_H
2525 #  include <paths.h>
2526 #endif
2527 #ifdef HAVE_LOGIN_H
2528 # include <login.h>
2529 #endif
2530         ],
2531         [ char *lastlog = LASTLOG_FILE; ],
2532         [ AC_MSG_RESULT(yes) ],
2533         [
2534                 AC_MSG_RESULT(no)
2535                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
2536                 AC_TRY_COMPILE([
2537 #include <sys/types.h>
2538 #include <utmp.h>
2539 #ifdef HAVE_LASTLOG_H
2540 #  include <lastlog.h>
2541 #endif
2542 #ifdef HAVE_PATHS_H
2543 #  include <paths.h>
2544 #endif
2545                 ],
2546                 [ char *lastlog = _PATH_LASTLOG; ],
2547                 [ AC_MSG_RESULT(yes) ],
2548                 [
2549                         AC_MSG_RESULT(no)
2550                         system_lastlog_path=no
2551                 ])
2552         ]
2553 )
2554
2555 if test -z "$conf_lastlog_location"; then
2556         if test x"$system_lastlog_path" = x"no" ; then
2557                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
2558                                 if (test -d "$f" || test -f "$f") ; then
2559                                         conf_lastlog_location=$f
2560                                 fi
2561                 done
2562                 if test -z "$conf_lastlog_location"; then
2563                         AC_MSG_WARN([** Cannot find lastlog **])
2564                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
2565                 fi
2566         fi
2567 fi
2568
2569 if test -n "$conf_lastlog_location"; then
2570         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
2571 fi
2572
2573 dnl utmp detection
2574 AC_MSG_CHECKING([if your system defines UTMP_FILE])
2575 AC_TRY_COMPILE([
2576 #include <sys/types.h>
2577 #include <utmp.h>
2578 #ifdef HAVE_PATHS_H
2579 #  include <paths.h>
2580 #endif
2581         ],
2582         [ char *utmp = UTMP_FILE; ],
2583         [ AC_MSG_RESULT(yes) ],
2584         [ AC_MSG_RESULT(no)
2585           system_utmp_path=no ]
2586 )
2587 if test -z "$conf_utmp_location"; then
2588         if test x"$system_utmp_path" = x"no" ; then
2589                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
2590                         if test -f $f ; then
2591                                 conf_utmp_location=$f
2592                         fi
2593                 done
2594                 if test -z "$conf_utmp_location"; then
2595                         AC_DEFINE(DISABLE_UTMP)
2596                 fi
2597         fi
2598 fi
2599 if test -n "$conf_utmp_location"; then
2600         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
2601 fi
2602
2603 dnl wtmp detection
2604 AC_MSG_CHECKING([if your system defines WTMP_FILE])
2605 AC_TRY_COMPILE([
2606 #include <sys/types.h>
2607 #include <utmp.h>
2608 #ifdef HAVE_PATHS_H
2609 #  include <paths.h>
2610 #endif
2611         ],
2612         [ char *wtmp = WTMP_FILE; ],
2613         [ AC_MSG_RESULT(yes) ],
2614         [ AC_MSG_RESULT(no)
2615           system_wtmp_path=no ]
2616 )
2617 if test -z "$conf_wtmp_location"; then
2618         if test x"$system_wtmp_path" = x"no" ; then
2619                 for f in /usr/adm/wtmp /var/log/wtmp; do
2620                         if test -f $f ; then
2621                                 conf_wtmp_location=$f
2622                         fi
2623                 done
2624                 if test -z "$conf_wtmp_location"; then
2625                         AC_DEFINE(DISABLE_WTMP)
2626                 fi
2627         fi
2628 fi
2629 if test -n "$conf_wtmp_location"; then
2630         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
2631 fi
2632
2633
2634 dnl utmpx detection - I don't know any system so perverse as to require
2635 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
2636 dnl  there, though.
2637 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
2638 AC_TRY_COMPILE([
2639 #include <sys/types.h>
2640 #include <utmp.h>
2641 #ifdef HAVE_UTMPX_H
2642 #include <utmpx.h>
2643 #endif
2644 #ifdef HAVE_PATHS_H
2645 #  include <paths.h>
2646 #endif
2647         ],
2648         [ char *utmpx = UTMPX_FILE; ],
2649         [ AC_MSG_RESULT(yes) ],
2650         [ AC_MSG_RESULT(no)
2651           system_utmpx_path=no ]
2652 )
2653 if test -z "$conf_utmpx_location"; then
2654         if test x"$system_utmpx_path" = x"no" ; then
2655                 AC_DEFINE(DISABLE_UTMPX)
2656         fi
2657 else
2658         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
2659 fi
2660
2661 dnl wtmpx detection
2662 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
2663 AC_TRY_COMPILE([
2664 #include <sys/types.h>
2665 #include <utmp.h>
2666 #ifdef HAVE_UTMPX_H
2667 #include <utmpx.h>
2668 #endif
2669 #ifdef HAVE_PATHS_H
2670 #  include <paths.h>
2671 #endif
2672         ],
2673         [ char *wtmpx = WTMPX_FILE; ],
2674         [ AC_MSG_RESULT(yes) ],
2675         [ AC_MSG_RESULT(no)
2676           system_wtmpx_path=no ]
2677 )
2678 if test -z "$conf_wtmpx_location"; then
2679         if test x"$system_wtmpx_path" = x"no" ; then
2680                 AC_DEFINE(DISABLE_WTMPX)
2681         fi
2682 else
2683         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
2684 fi
2685
2686
2687 if test ! -z "$blibpath" ; then
2688         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
2689         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
2690 fi
2691
2692 dnl remove pam and dl because they are in $LIBPAM
2693 if test "$PAM_MSG" = yes ; then
2694         LIBS=`echo $LIBS | sed 's/-lpam //'`
2695 fi
2696 if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
2697         LIBS=`echo $LIBS | sed 's/-ldl //'`
2698 fi
2699
2700 AC_EXEEXT
2701 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
2702 AC_OUTPUT
2703
2704 # Print summary of options
2705
2706 # Someone please show me a better way :)
2707 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
2708 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
2709 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
2710 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
2711 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
2712 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
2713 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
2714 H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
2715 I=`eval echo ${user_path}` ; I=`eval echo ${I}`
2716 J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
2717
2718 echo ""
2719 echo "OpenSSH has been configured with the following options:"
2720 echo "                     User binaries: $B"
2721 echo "                   System binaries: $C"
2722 echo "               Configuration files: $D"
2723 echo "                   Askpass program: $E"
2724 echo "                      Manual pages: $F"
2725 echo "                          PID file: $G"
2726 echo "  Privilege separation chroot path: $H"
2727 if test "$USES_LOGIN_CONF" = "yes" ; then
2728 echo "   At runtime, sshd will use the path defined in /etc/login.conf"
2729 else
2730 echo "            sshd default user PATH: $I"
2731 fi
2732 if test ! -z "$superuser_path" ; then
2733 echo "          sshd superuser user PATH: $J"
2734 fi
2735 echo "                    Manpage format: $MANTYPE"
2736 echo "                       PAM support: ${PAM_MSG}"
2737 echo "                KerberosIV support: $KRB4_MSG"
2738 echo "                 KerberosV support: $KRB5_MSG"
2739 echo "                 Smartcard support: $SCARD_MSG"
2740 echo "                       AFS support: $AFS_MSG"
2741 echo "                     S/KEY support: $SKEY_MSG"
2742 echo "              TCP Wrappers support: $TCPW_MSG"
2743 echo "              MD5 password support: $MD5_MSG"
2744 echo "       IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
2745 echo "          Use IPv4 by default hack: $IPV4_HACK_MSG"
2746 echo "           Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
2747 echo "                  BSD Auth support: $BSD_AUTH_MSG"
2748 echo "              Random number source: $RAND_MSG"
2749 if test ! -z "$USE_RAND_HELPER" ; then
2750 echo "     ssh-rand-helper collects from: $RAND_HELPER_MSG"
2751 fi
2752
2753 echo ""
2754
2755 echo "              Host: ${host}"
2756 echo "          Compiler: ${CC}"
2757 echo "    Compiler flags: ${CFLAGS}"
2758 echo "Preprocessor flags: ${CPPFLAGS}"
2759 echo "      Linker flags: ${LDFLAGS}"
2760 echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
2761
2762 echo ""
2763
2764 if test "x$PAM_MSG" = "xyes" ; then
2765         echo "PAM is enabled. You may need to install a PAM control file "
2766         echo "for sshd, otherwise password authentication may fail. "
2767         echo "Example PAM control files can be found in the contrib/ "
2768         echo "subdirectory"
2769         echo ""
2770 fi
2771
2772 if test ! -z "$NO_SFTP"; then
2773         echo "sftp-server will be disabled.  Your compiler does not "
2774         echo "support 64bit integers."
2775         echo ""
2776 fi
2777
2778 if test ! -z "$RAND_HELPER_CMDHASH" ; then
2779         echo "WARNING: you are using the builtin random number collection "
2780         echo "service. Please read WARNING.RNG and request that your OS "
2781         echo "vendor includes kernel-based random number collection in "
2782         echo "future versions of your OS."
2783         echo ""
2784 fi
2785