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_PROGS(FILEPRIV, filepriv, true, /sbin:/usr/sbin)
  21 AC_PATH_PROG(TEST_MINUS_S_SH, bash)
  22 AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
  23 AC_PATH_PROG(TEST_MINUS_S_SH, sh)
  24 AC_PATH_PROG(SH, sh)
  25
  26 # System features
  27 AC_SYS_LARGEFILE
  28
  29 if test -z "$AR" ; then
  30         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  31 fi
  32
  33 # Use LOGIN_PROGRAM from environment if possible
  34 if test ! -z "$LOGIN_PROGRAM" ; then
  35         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  36 else
  37         # Search for login
  38         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  39         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  40                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  41         fi
  42 fi
  43
  44 if test -z "$LD" ; then
  45         LD=$CC
  46 fi
  47 AC_SUBST(LD)
  48
  49 AC_C_INLINE
  50 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
  51         CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wno-uninitialized"
  52 fi
  53
  54 # Check for some target-specific stuff
  55 case "$host" in
  56 *-*-aix*)
  57         AFS_LIBS="-lld"
  58         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
  59         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  60         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  61                 AC_MSG_CHECKING([if linkage editor ($LD) accepts -blibpath])
  62                 saved_LDFLAGS="$LDFLAGS"
  63                 LDFLAGS="$LDFLAGS -blibpath:/usr/lib:/lib:/usr/local/lib"
  64                 AC_TRY_LINK([],
  65                         [],
  66                         [
  67                                 AC_MSG_RESULT(yes)
  68                                 blibpath="/usr/lib:/lib:/usr/local/lib"
  69                         ],
  70                         [ AC_MSG_RESULT(no) ]
  71                 )
  72                 LDFLAGS="$saved_LDFLAGS"
  73         fi
  74         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  75         AC_DEFINE(BROKEN_GETADDRINFO)
  76         AC_DEFINE(BROKEN_REALPATH)
  77         dnl AIX handles lastlog as part of its login message
  78         AC_DEFINE(DISABLE_LASTLOG)
  79         AC_DEFINE(LOGIN_NEEDS_UTMPX)
  80         ;;
  81 *-*-cygwin*)
  82         LIBS="$LIBS /usr/lib/textmode.o"
  83         AC_DEFINE(HAVE_CYGWIN)
  84         AC_DEFINE(USE_PIPES)
  85         AC_DEFINE(DISABLE_SHADOW)
  86         AC_DEFINE(IPV4_DEFAULT)
  87         AC_DEFINE(IP_TOS_IS_BROKEN)
  88         AC_DEFINE(NO_X11_UNIX_SOCKETS)
  89         AC_DEFINE(BROKEN_FD_PASSING)
  90         AC_DEFINE(SETGROUPS_NOOP)
  91         ;;
  92 *-*-dgux*)
  93         AC_DEFINE(IP_TOS_IS_BROKEN)
  94         ;;
  95 *-*-darwin*)
  96         AC_DEFINE(BROKEN_GETADDRINFO)
  97         ;;
  98 *-*-hpux10.26)
  99         if test -z "$GCC"; then
 100                 CFLAGS="$CFLAGS -Ae"
 101         fi
 102         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 103         IPADDR_IN_DISPLAY=yes
 104         AC_DEFINE(HAVE_SECUREWARE)
 105         AC_DEFINE(USE_PIPES)
 106         AC_DEFINE(LOGIN_NO_ENDOPT)
 107         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 108         AC_DEFINE(DISABLE_SHADOW)
 109         AC_DEFINE(DISABLE_UTMP)
 110         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 111         LIBS="$LIBS -lxnet -lsec -lsecpw"
 112         disable_ptmx_check=yes
 113         ;;
 114 *-*-hpux10*)
 115         if test -z "$GCC"; then
 116                 CFLAGS="$CFLAGS -Ae"
 117         fi
 118         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 119         IPADDR_IN_DISPLAY=yes
 120         AC_DEFINE(USE_PIPES)
 121         AC_DEFINE(LOGIN_NO_ENDOPT)
 122         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 123         AC_DEFINE(DISABLE_SHADOW)
 124         AC_DEFINE(DISABLE_UTMP)
 125         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 126         LIBS="$LIBS -lxnet -lsec"
 127         ;;
 128 *-*-hpux11*)
 129         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 130         IPADDR_IN_DISPLAY=yes
 131         AC_DEFINE(PAM_SUN_CODEBASE)
 132         AC_DEFINE(USE_PIPES)
 133         AC_DEFINE(LOGIN_NO_ENDOPT)
 134         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 135         AC_DEFINE(DISABLE_SHADOW)
 136         AC_DEFINE(DISABLE_UTMP)
 137         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 138         LIBS="$LIBS -lxnet -lsec"
 139         ;;
 140 *-*-irix5*)
 141         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 142         LDFLAGS="$LDFLAGS"
 143         PATH="$PATH:/usr/etc"
 144         AC_DEFINE(BROKEN_INET_NTOA)
 145         AC_DEFINE(WITH_ABBREV_NO_TTY)
 146         ;;
 147 *-*-irix6*)
 148         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 149         LDFLAGS="$LDFLAGS"
 150         PATH="$PATH:/usr/etc"
 151         AC_DEFINE(WITH_IRIX_ARRAY)
 152         AC_DEFINE(WITH_IRIX_PROJECT)
 153         AC_DEFINE(WITH_IRIX_AUDIT)
 154         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 155         AC_DEFINE(BROKEN_INET_NTOA)
 156         AC_DEFINE(WITH_ABBREV_NO_TTY)
 157         ;;
 158 *-*-linux*)
 159         no_dev_ptmx=1
 160         check_for_libcrypt_later=1
 161         AC_DEFINE(DONT_TRY_OTHER_AF)
 162         AC_DEFINE(PAM_TTY_KLUDGE)
 163         inet6_default_4in6=yes
 164         ;;
 165 mips-sony-bsd|mips-sony-newsos4)
 166         AC_DEFINE(HAVE_NEWS4)
 167         SONY=1
 168         ;;
 169 *-*-netbsd*)
 170         need_dash_r=1
 171         ;;
 172 *-*-freebsd*)
 173         check_for_libcrypt_later=1
 174         ;;
 175 *-next-*)
 176         conf_lastlog_location="/usr/adm/lastlog"
 177         conf_utmp_location=/etc/utmp
 178         conf_wtmp_location=/usr/adm/wtmp
 179         MAIL=/usr/spool/mail
 180         AC_DEFINE(HAVE_NEXT)
 181         AC_DEFINE(BROKEN_REALPATH)
 182         AC_DEFINE(USE_PIPES)
 183         AC_DEFINE(BROKEN_SAVED_UIDS)
 184         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 185         CFLAGS="$CFLAGS"
 186         ;;
 187 *-*-solaris*)
 188         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 189         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 190         need_dash_r=1
 191         AC_DEFINE(PAM_SUN_CODEBASE)
 192         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 193         AC_DEFINE(LOGIN_NEEDS_TERM)
 194         AC_DEFINE(PAM_TTY_KLUDGE)
 195         # hardwire lastlog location (can't detect it on some versions)
 196         conf_lastlog_location="/var/adm/lastlog"
 197         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 198         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 199         if test "$sol2ver" -ge 8; then
 200                 AC_MSG_RESULT(yes)
 201                 AC_DEFINE(DISABLE_UTMP)
 202                 AC_DEFINE(DISABLE_WTMP)
 203         else
 204                 AC_MSG_RESULT(no)
 205         fi
 206         ;;
 207 *-*-sunos4*)
 208         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 209         AC_CHECK_FUNCS(getpwanam)
 210         AC_DEFINE(PAM_SUN_CODEBASE)
 211         conf_utmp_location=/etc/utmp
 212         conf_wtmp_location=/var/adm/wtmp
 213         conf_lastlog_location=/var/adm/lastlog
 214         AC_DEFINE(USE_PIPES)
 215         ;;
 216 *-ncr-sysv*)
 217         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 218         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 219         LIBS="$LIBS -lc89"
 220         AC_DEFINE(USE_PIPES)
 221         ;;
 222 *-sni-sysv*)
 223         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 224         # /usr/ucblib MUST NOT be searched on ReliantUNIX
 225         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 226         IPADDR_IN_DISPLAY=yes
 227         AC_DEFINE(USE_PIPES)
 228         AC_DEFINE(IP_TOS_IS_BROKEN)
 229         # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
 230         # Attention: always take care to bind libsocket and libnsl before libc,
 231         # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
 232         ;;
 233 *-*-sysv4.2*)
 234         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 235         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 236         AC_DEFINE(USE_PIPES)
 237         ;;
 238 *-*-sysv5*)
 239         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 240         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 241         AC_DEFINE(USE_PIPES)
 242         ;;
 243 *-*-sysv*)
 244         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 245         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 246         ;;
 247 *-*-sco3.2v4*)
 248         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 249         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 250         LIBS="$LIBS -los -lprot -lx -ltinfo -lm"
 251         RANLIB=true
 252         no_dev_ptmx=1
 253         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 254         AC_DEFINE(USE_PIPES)
 255         AC_DEFINE(HAVE_SECUREWARE)
 256         AC_DEFINE(DISABLE_SHADOW)
 257         AC_DEFINE(BROKEN_SAVED_UIDS)
 258         AC_CHECK_FUNCS(getluid setluid)
 259         MANTYPE=man
 260         do_sco3_extra_lib_check=yes
 261         ;;
 262 *-*-sco3.2v5*)
 263         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 264         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 265         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 266         no_dev_ptmx=1
 267         AC_DEFINE(USE_PIPES)
 268         AC_DEFINE(HAVE_SECUREWARE)
 269         AC_DEFINE(DISABLE_SHADOW)
 270         AC_DEFINE(BROKEN_FD_PASSING)
 271         AC_CHECK_FUNCS(getluid setluid)
 272         MANTYPE=man
 273         ;;
 274 *-*-unicos*)
 275         no_libsocket=1
 276         no_libnsl=1
 277         AC_DEFINE(USE_PIPES)
 278         AC_DEFINE(BROKEN_FD_PASSING)
 279         LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal,-L/usr/local/lib"
 280         LIBS="$LIBS -lgen -lrsc"
 281         ;;
 282 *-dec-osf*)
 283         AC_MSG_CHECKING(for Digital Unix SIA)
 284         no_osfsia=""
 285         AC_ARG_WITH(osfsia,
 286                 [  --with-osfsia           Enable Digital Unix SIA],
 287                 [
 288                         if test "x$withval" = "xno" ; then
 289                                 AC_MSG_RESULT(disabled)
 290                                 no_osfsia=1
 291                         fi
 292                 ],
 293         )
 294         if test -z "$no_osfsia" ; then
 295                 if test -f /etc/sia/matrix.conf; then
 296                         AC_MSG_RESULT(yes)
 297                         AC_DEFINE(HAVE_OSF_SIA)
 298                         AC_DEFINE(DISABLE_LOGIN)
 299                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 300                 else
 301                         AC_MSG_RESULT(no)
 302                 fi
 303         fi
 304         ;;
 305
 306 *-*-nto-qnx)
 307         AC_DEFINE(USE_PIPES)
 308         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 309         AC_DEFINE(MISSING_NFDBITS)
 310         AC_DEFINE(MISSING_HOWMANY)
 311         AC_DEFINE(MISSING_FD_MASK)
 312         ;;
 313 esac
 314
 315 # Allow user to specify flags
 316 AC_ARG_WITH(cflags,
 317         [  --with-cflags           Specify additional flags to pass to compiler],
 318         [
 319                 if test "x$withval" != "xno" ; then
 320                         CFLAGS="$CFLAGS $withval"
 321                 fi
 322         ]
 323 )
 324 AC_ARG_WITH(cppflags,
 325         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 326         [
 327                 if test "x$withval" != "xno"; then
 328                         CPPFLAGS="$CPPFLAGS $withval"
 329                 fi
 330         ]
 331 )
 332 AC_ARG_WITH(ldflags,
 333         [  --with-ldflags          Specify additional flags to pass to linker],
 334         [
 335                 if test "x$withval" != "xno" ; then
 336                         LDFLAGS="$LDFLAGS $withval"
 337                 fi
 338         ]
 339 )
 340 AC_ARG_WITH(libs,
 341         [  --with-libs             Specify additional libraries to link with],
 342         [
 343                 if test "x$withval" != "xno" ; then
 344                         LIBS="$LIBS $withval"
 345                 fi
 346         ]
 347 )
 348
 349 # Checks for header files.
 350 AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \
 351         getopt.h glob.h lastlog.h limits.h login.h \
 352         login_cap.h maillock.h netdb.h netgroup.h \
 353         netinet/in_systm.h paths.h pty.h readpassphrase.h \
 354         rpc/types.h security/pam_appl.h shadow.h stddef.h stdint.h \
 355         strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
 356         sys/mman.h sys/select.h sys/stat.h \
 357         sys/stropts.h sys/sysmacros.h sys/time.h \
 358         sys/un.h time.h ttyent.h usersec.h \
 359         util.h utime.h utmp.h utmpx.h)
 360
 361 # Checks for libraries.
 362 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
 363 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
 364
 365 dnl SCO OS3 needs this for libwrap
 366 if test "x$with_tcp_wrappers" != "xno" ; then
 367     if test "x$do_sco3_extra_lib_check" = "xyes" ; then
 368         AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 369     fi
 370 fi
 371
 372 AC_CHECK_FUNC(getspnam, ,
 373         AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
 374
 375 AC_ARG_WITH(rpath,
 376         [  --without-rpath         Disable auto-added -R linker paths],
 377         [
 378                 if test "x$withval" = "xno" ; then
 379                         need_dash_r=""
 380                 fi
 381                 if test "x$withval" = "xyes" ; then
 382                         need_dash_r=1
 383                 fi
 384         ]
 385 )
 386
 387 dnl zlib is required
 388 AC_ARG_WITH(zlib,
 389         [  --with-zlib=PATH        Use zlib in PATH],
 390         [
 391                 if test "x$withval" = "xno" ; then
 392                         AC_MSG_ERROR([*** zlib is required ***])
 393                 fi
 394                 if test -d "$withval/lib"; then
 395                         if test -n "${need_dash_r}"; then
 396                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 397                         else
 398                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 399                         fi
 400                 else
 401                         if test -n "${need_dash_r}"; then
 402                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 403                         else
 404                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 405                         fi
 406                 fi
 407                 if test -d "$withval/include"; then
 408                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 409                 else
 410                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 411                 fi
 412         ]
 413 )
 414
 415 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 416
 417 dnl UnixWare 2.x
 418 AC_CHECK_FUNC(strcasecmp,
 419         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 420 )
 421 AC_CHECK_FUNC(utimes,
 422         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 423 )
 424
 425 dnl    Checks for libutil functions
 426 AC_CHECK_HEADERS(libutil.h)
 427 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN)])
 428 AC_CHECK_FUNCS(logout updwtmp logwtmp)
 429
 430 AC_FUNC_STRFTIME
 431
 432 # Check for ALTDIRFUNC glob() extension
 433 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 434 AC_EGREP_CPP(FOUNDIT,
 435         [
 436                 #include <glob.h>
 437                 #ifdef GLOB_ALTDIRFUNC
 438                 FOUNDIT
 439                 #endif
 440         ],
 441         [
 442                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 443                 AC_MSG_RESULT(yes)
 444         ],
 445         [
 446                 AC_MSG_RESULT(no)
 447         ]
 448 )
 449
 450 # Check for g.gl_matchc glob() extension
 451 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 452 AC_EGREP_CPP(FOUNDIT,
 453         [
 454                 #include <glob.h>
 455                 int main(void){glob_t g; g.gl_matchc = 1;}
 456         ],
 457         [
 458                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 459                 AC_MSG_RESULT(yes)
 460         ],
 461         [
 462                 AC_MSG_RESULT(no)
 463         ]
 464 )
 465
 466 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 467 AC_TRY_RUN(
 468         [
 469 #include <sys/types.h>
 470 #include <dirent.h>
 471 int main(void){struct dirent d;return(sizeof(d.d_name)<=sizeof(char));}
 472         ],
 473         [AC_MSG_RESULT(yes)],
 474         [
 475                 AC_MSG_RESULT(no)
 476                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 477         ]
 478 )
 479
 480 # Check whether the user wants GSSAPI mechglue support
 481 AC_ARG_WITH(mechglue,
 482         [  --with-mechglue=PATH    Build with GSSAPI mechglue library],
 483         [
 484                 AC_MSG_CHECKING(for mechglue library)
 485
 486                 if test -e ${withval}/libgssapi.a ; then
 487                     mechglue_lib=${withval}/libgssapi.a
 488                 elif test -e ${withval}/lib/libgssapi.a ; then
 489                     mechglue_lib=${withval}/lib/libgssapi.a
 490                 else
 491                     AC_MSG_ERROR("Can't find libgssapi in ${withval}");
 492                 fi
 493                 LIBS="$LIBS ${mechglue_lib}"
 494                 AC_MSG_RESULT(${mechglue_lib})
 495
 496 #               if test -e ${withval}/gssapi.h ; then
 497 #                   CPPFLAGS="$CPPFLAGS -I${withval}"
 498 #               elif test -e ${withval}/include/gssapi.h ; then
 499 #                   CPPFLAGS="$CPPFLAGS -I${withval}/include"
 500 #               else
 501 #                   AC_MSG_ERROR("Can't find gssapi.h in ${withval}");
 502 #               fi
 503
 504                 AC_CHECK_LIB(dl, dlopen, , )
 505                 if test $ac_cv_lib_dl_dlopen = yes; then
 506                    LDFLAGS="$LDFLAGS -ldl -Wl,-Bsymbolic"
 507                 fi
 508
 509                 AC_DEFINE(GSSAPI)
 510                 AC_DEFINE(MECHGLUE)
 511                 GSSAPI="mechglue"
 512
 513         ]
 514 )
 515
 516
 517 # Check whether the user wants GSI (Globus) support
 518 gsi_path="no"
 519 AC_ARG_WITH(gsi,
 520         [  --with-gsi=PATH         Enable GSI/Globus authentication support],
 521         [
 522                 gsi_path="$withval"
 523         ]
 524 )
 525
 526 AC_ARG_WITH(globus,
 527         [  --with-globus=PATH      Enable GSI/Globus authentication support],
 528         [
 529                 gsi_path="$withval"
 530         ]
 531 )
 532
 533 # Check whether the user has a Globus flavor type
 534 globus_flavor_type="no"
 535 AC_ARG_WITH(globus-flavor,
 536         [  --with-globus-flavor=TYPE         Describe Globus flavor type (ex: gcc32dbg, etc.)],
 537         [
 538                 globus_flavor_type="$withval"
 539         ]
 540 )
 541
 542 if test "x$gsi_path" != "xno" ; then
 543         # Globus GSSAPI configuration
 544         AC_DEFINE(GSI)
 545
 546         if test "$GSSAPI" -a "$GSSAPI" != "mechglue"; then
 547                 AC_MSG_ERROR([Previously configured GSSAPI library conflicts with Globus/GSI.])
 548         fi
 549         if test -z "$GSSAPI"; then
 550                 AC_DEFINE(GSSAPI)
 551                 GSSAPI="GSI"
 552         fi
 553
 554         # Find GLOBUS/GSI installation Directory
 555         AC_MSG_CHECKING(for Globus/GSI installation directory)
 556
 557         globus_install_dir=$gsi_path
 558
 559         if test "x$globus_install_dir" = "xyes" ; then
 560                 AC_MSG_ERROR(Cannot find Globus/GSI installation directory -- a path must be specified!)
 561         fi
 562         AC_MSG_RESULT($globus_install_dir)
 563
 564         # Find GLOBUS/GSI development directory
 565         AC_MSG_CHECKING(for Globus/GSI development directory)
 566
 567         if test -d ${globus_install_dir}/lib ; then
 568                 # Looks like a flat directory structure from configure/make
 569                 # and not globus-install or gsi-install
 570                 globus_dev_dir=$globus_install_dir
 571
 572         else
 573                 # Assume a true globus installation with architecture
 574                 # directories and run globus-development-path to find
 575                 # the development directory
 576
 577                 # Set GLOBUS_INSTALL_PATH
 578                 GLOBUS_INSTALL_PATH=$globus_install_dir
 579                 export GLOBUS_INSTALL_PATH
 580
 581                 dev_path_program=${globus_install_dir}/bin/globus-development-path
 582
 583                 if test ! -x ${dev_path_program} ; then
 584                         AC_MSG_ERROR(Cannot find Globus/GSI installation directory: program ${dev_path_program} does not exist or is not executable)
 585                 fi
 586
 587                 globus_dev_dir=`${dev_path_program}`
 588
 589                 if test -z "$globus_dev_dir" -o "X$globus_dev_dir" = "X<not found>" ; then
 590                         AC_MSG_ERROR(Cannot find Globus/GSI development directory)
 591                 fi
 592
 593                 if test ! -d "$globus_dev_dir" ; then
 594                         AC_MSG_ERROR(Cannot find Globus/GSI development directory: $globus_dev_dir does not exist)
 595                 fi
 596         fi
 597         AC_MSG_RESULT($globus_dev_dir)
 598
 599         # Find GLOBUS/GSI flavor Directory
 600         AC_MSG_CHECKING(for Globus flavor type)
 601
 602         if test "x$globus_flavor_type" = "xno" ; then
 603                 if test "$GSSAPI" = "mechglue"; then
 604                         GSI_LIBS="-lglobus_gss_assist -lglobus_gaa"
 605                 else
 606                         GSI_LIBS="-lglobus_gss_assist -lglobus_gss -lglobus_gaa"
 607                 fi
 608                 GSI_LDFLAGS="-L${globus_dev_dir}/lib"
 609                 GSI_CPPFLAGS="-I${globus_dev_dir}/include"
 610                 AC_MSG_RESULT(none)
 611         else
 612                 GLOBUS_FLAVOR_TYPE_INCL_DIR="${globus_dev_dir}/include/${globus_flavor_type}"
 613
 614                 if test ! -d "$GLOBUS_FLAVOR_TYPE_INCL_DIR" ; then
 615                         AC_MSG_ERROR(Cannot find Globus flavor-specific include directory: ${GLOBUS_FLAVOR_TYPE_INCL_DIR})
 616                 fi
 617
 618                 AC_MSG_RESULT($globus_flavor_type)
 619                 if test "$GSSAPI" = "mechglue"; then
 620                         GSI_LIBS="${gsi_path}/lib/libglobus_gss_assist_${globus_flavor_type}.a"
 621                 else
 622                         GSI_LIBS="${gsi_path}/lib/libglobus_gss_assist_${globus_flavor_type}.a ${gsi_path}/lib/libglobus_gssapi_gsi_${globus_flavor_type}.a"
 623                 fi
 624                 GSI_CPPFLAGS="-I${GLOBUS_FLAVOR_TYPE_INCL_DIR}"
 625         fi
 626
 627         LIBS="$LIBS $GSI_LIBS"
 628         LDFLAGS="$LDFLAGS $GSI_LDFLAGS"
 629         CPPFLAGS="$CPPFLAGS $GSI_CPPFLAGS"
 630         INSTALL_GSISSH="yes"
 631 else
 632         INSTALL_GSISSH=""
 633 fi
 634 AC_SUBST(INSTALL_GSISSH)
 635 # End Globus/GSI section
 636
 637 # Check whether user wants S/Key support
 638 SKEY_MSG="no"
 639 AC_ARG_WITH(skey,
 640         [  --with-skey[[=PATH]]      Enable S/Key support
 641                             (optionally in PATH)],
 642         [
 643                 if test "x$withval" != "xno" ; then
 644
 645                         if test "x$withval" != "xyes" ; then
 646                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 647                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 648                         fi
 649
 650                         AC_DEFINE(SKEY)
 651                         LIBS="-lskey $LIBS"
 652                         SKEY_MSG="yes"
 653
 654                         AC_MSG_CHECKING([for s/key support])
 655                         AC_TRY_RUN(
 656                                 [
 657 #include <stdio.h>
 658 #include <skey.h>
 659 int main() { char *ff = skey_keyinfo(""); ff=""; return 0; }
 660                                 ],
 661                                 [AC_MSG_RESULT(yes)],
 662                                 [
 663                                         AC_MSG_RESULT(no)
 664                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 665                                 ])
 666                 fi
 667         ]
 668 )
 669
 670 # Check whether user wants TCP wrappers support
 671 TCPW_MSG="no"
 672 AC_ARG_WITH(tcp-wrappers,
 673         [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
 674                             (optionally in PATH)],
 675         [
 676                 if test "x$withval" != "xno" ; then
 677                         saved_LIBS="$LIBS"
 678                         saved_LDFLAGS="$LDFLAGS"
 679                         saved_CPPFLAGS="$CPPFLAGS"
 680                         if test -n "${withval}" -a "${withval}" != "yes"; then
 681                                 if test -d "${withval}/lib"; then
 682                                         if test -n "${need_dash_r}"; then
 683                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 684                                         else
 685                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 686                                         fi
 687                                 else
 688                                         if test -n "${need_dash_r}"; then
 689                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 690                                         else
 691                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 692                                         fi
 693                                 fi
 694                                 if test -d "${withval}/include"; then
 695                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 696                                 else
 697                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 698                                 fi
 699                         fi
 700                         LIBWRAP="-lwrap"
 701                         LIBS="$LIBWRAP $LIBS"
 702                         AC_MSG_CHECKING(for libwrap)
 703                         AC_TRY_LINK(
 704                                 [
 705 #include <tcpd.h>
 706                                         int deny_severity = 0, allow_severity = 0;
 707                                 ],
 708                                 [hosts_access(0);],
 709                                 [
 710                                         AC_MSG_RESULT(yes)
 711                                         AC_DEFINE(LIBWRAP)
 712                                         AC_SUBST(LIBWRAP)
 713                                         TCPW_MSG="yes"
 714                                 ],
 715                                 [
 716                                         AC_MSG_ERROR([*** libwrap missing])
 717                                 ]
 718                         )
 719                         LIBS="$saved_LIBS"
 720                 fi
 721         ]
 722 )
 723
 724 dnl    Checks for library functions.
 725 AC_CHECK_FUNCS(arc4random b64_ntop bcopy bindresvport_sa \
 726         clock fchmod fchown freeaddrinfo futimes gai_strerror \
 727         getaddrinfo getcwd getgrouplist getnameinfo getopt \
 728         getrlimit getrusage getttyent glob inet_aton inet_ntoa \
 729         inet_ntop innetgr login_getcapbool md5_crypt memmove \
 730         mkdtemp mmap ngetaddrinfo openpty ogetaddrinfo readpassphrase \
 731         realpath recvmsg rresvport_af sendmsg setdtablesize setegid \
 732         setenv seteuid setgroups setlogin setproctitle setresgid setreuid \
 733         setrlimit setsid setpcred setvbuf sigaction sigvec snprintf \
 734         socketpair strerror strlcat strlcpy strmode strsep sysconf tcgetpgrp \
 735         truncate utimes vhangup vsnprintf waitpid __b64_ntop _getpty)
 736
 737 if test $ac_cv_func_mmap = yes ; then
 738 AC_MSG_CHECKING([for mmap anon shared])
 739 AC_TRY_RUN(
 740         [
 741 #include <stdio.h>
 742 #include <sys/mman.h>
 743 #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
 744 #define MAP_ANON MAP_ANONYMOUS
 745 #endif
 746 main() { char *p;
 747 p = (char *) mmap(NULL, 10, PROT_WRITE|PROT_READ, MAP_ANON|MAP_SHARED, -1, 0);
 748 if (p == (char *)-1)
 749         exit(1);
 750 exit(0);
 751 }
 752         ],
 753         [
 754                 AC_MSG_RESULT(yes)
 755                 AC_DEFINE(HAVE_MMAP_ANON_SHARED)
 756         ],
 757         [ AC_MSG_RESULT(no) ]
 758 )
 759 fi
 760
 761 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 762 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 763         AC_CHECK_LIB(gen, dirname,[
 764                 AC_CACHE_CHECK([for broken dirname],
 765                         ac_cv_have_broken_dirname, [
 766                         save_LIBS="$LIBS"
 767                         LIBS="$LIBS -lgen"
 768                         AC_TRY_RUN(
 769                                 [
 770 #include <libgen.h>
 771 #include <string.h>
 772
 773 int main(int argc, char **argv) {
 774     char *s, buf[32];
 775
 776     strncpy(buf,"/etc", 32);
 777     s = dirname(buf);
 778     if (!s || strncmp(s, "/", 32) != 0) {
 779         exit(1);
 780     } else {
 781         exit(0);
 782     }
 783 }
 784                                 ],
 785                                 [ ac_cv_have_broken_dirname="no" ],
 786                                 [ ac_cv_have_broken_dirname="yes" ]
 787                         )
 788                         LIBS="$save_LIBS"
 789                 ])
 790                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 791                         LIBS="$LIBS -lgen"
 792                         AC_DEFINE(HAVE_DIRNAME)
 793                         AC_CHECK_HEADERS(libgen.h)
 794                 fi
 795         ])
 796 ])
 797
 798 dnl    Checks for time functions
 799 AC_CHECK_FUNCS(gettimeofday time)
 800 dnl    Checks for utmp functions
 801 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 802 AC_CHECK_FUNCS(utmpname)
 803 dnl    Checks for utmpx functions
 804 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 805 AC_CHECK_FUNCS(setutxent utmpxname)
 806
 807 AC_CHECK_FUNC(daemon,
 808         [AC_DEFINE(HAVE_DAEMON)],
 809         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 810 )
 811
 812 AC_CHECK_FUNC(getpagesize,
 813         [AC_DEFINE(HAVE_GETPAGESIZE)],
 814         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 815 )
 816
 817 # Check for broken snprintf
 818 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 819         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 820         AC_TRY_RUN(
 821                 [
 822 #include <stdio.h>
 823 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 824                 ],
 825                 [AC_MSG_RESULT(yes)],
 826                 [
 827                         AC_MSG_RESULT(no)
 828                         AC_DEFINE(BROKEN_SNPRINTF)
 829                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 830                 ]
 831         )
 832 fi
 833
 834 AC_FUNC_GETPGRP
 835
 836 # Check for PAM libs
 837 PAM_MSG="no"
 838 AC_ARG_WITH(pam,
 839         [  --with-pam              Enable PAM support ],
 840         [
 841                 if test "x$withval" != "xno" ; then
 842                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 843                                 AC_MSG_ERROR([PAM headers not found])
 844                         fi
 845
 846                         AC_CHECK_LIB(dl, dlopen, , )
 847                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 848                         AC_CHECK_FUNCS(pam_getenvlist)
 849                         AC_CHECK_FUNCS(pam_putenv)
 850
 851                         disable_shadow=yes
 852                         PAM_MSG="yes"
 853
 854                         AC_DEFINE(USE_PAM)
 855                         if test $ac_cv_lib_dl_dlopen = yes; then
 856                                 LIBPAM="-lpam -ldl"
 857                         else
 858                                 LIBPAM="-lpam"
 859                         fi
 860                         AC_SUBST(LIBPAM)
 861                 fi
 862         ]
 863 )
 864
 865 # Check for older PAM
 866 if test "x$PAM_MSG" = "xyes" ; then
 867         # Check PAM strerror arguments (old PAM)
 868         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 869         AC_TRY_COMPILE(
 870                 [
 871 #include <stdlib.h>
 872 #include <security/pam_appl.h>
 873                 ],
 874                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 875                 [AC_MSG_RESULT(no)],
 876                 [
 877                         AC_DEFINE(HAVE_OLD_PAM)
 878                         AC_MSG_RESULT(yes)
 879                         PAM_MSG="yes (old library)"
 880                 ]
 881         )
 882 fi
 883
 884 # Search for OpenSSL
 885 saved_CPPFLAGS="$CPPFLAGS"
 886 saved_LDFLAGS="$LDFLAGS"
 887 AC_ARG_WITH(ssl-dir,
 888         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 889         [
 890                 if test "x$withval" != "xno" ; then
 891                         if test -d "$withval/lib"; then
 892                                 if test -n "${need_dash_r}"; then
 893                                         LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 894                                 else
 895                                         LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 896                                 fi
 897                         else
 898                                 if test -n "${need_dash_r}"; then
 899                                         LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 900                                 else
 901                                         LDFLAGS="-L${withval} ${LDFLAGS}"
 902                                 fi
 903                         fi
 904                         if test -d "$withval/include"; then
 905                                 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 906                         else
 907                                 CPPFLAGS="-I${withval} ${CPPFLAGS}"
 908                         fi
 909                 fi
 910         ]
 911 )
 912
 913 # Patch up SSL libraries for GSI authentication as needed
 914 if test "x$globus_flavor_type" != "xno" ; then
 915         # For Globus 2, always link with the static libraries
 916         LIBS="$LIBS ${gsi_path}/lib/libglobus_ssl_utils_${globus_flavor_type}.a ${gsi_path}/lib/libssl_${globus_flavor_type}.a ${gsi_path}/lib/libcrypto_${globus_flavor_type}.a"
 917 else
 918         if test "x$gsi_path" != "xno" ; then
 919                 # Older GSI needs -lssl too
 920                 LIBS="$LIBS -lssl -lcrypto"
 921         else # if no GSI authentication (i.e., OpenSSL default)
 922                 LIBS="$LIBS -lcrypto"
 923         fi
 924 fi # globus_flavor_type
 925
 926 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 927         [
 928                 dnl Check default openssl install dir
 929                 if test -n "${need_dash_r}"; then
 930                         LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
 931                 else
 932                         LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
 933                 fi
 934                 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
 935                 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 936                         [
 937                                 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
 938                         ]
 939                 )
 940         ]
 941 )
 942
 943
 944 # Sanity check OpenSSL headers
 945 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
 946 AC_TRY_RUN(
 947         [
 948 #include <string.h>
 949 #include <openssl/opensslv.h>
 950 int main(void) { return(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
 951         ],
 952         [
 953                 AC_MSG_RESULT(yes)
 954         ],
 955         [
 956                 AC_MSG_RESULT(no)
 957                 AC_MSG_ERROR(Your OpenSSL headers do not match your library)
 958         ]
 959 )
 960
 961 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 962 # version in OpenSSL. Skip this for PAM
 963 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 964         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 965 fi
 966
 967
 968 ### Configure cryptographic random number support
 969
 970 # Check wheter OpenSSL seeds itself
 971 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
 972 AC_TRY_RUN(
 973         [
 974 #include <string.h>
 975 #include <openssl/rand.h>
 976 int main(void) { return(RAND_status() == 1 ? 0 : 1); }
 977         ],
 978         [
 979                 OPENSSL_SEEDS_ITSELF=yes
 980                 AC_MSG_RESULT(yes)
 981         ],
 982         [
 983                 AC_MSG_RESULT(no)
 984                 # Default to use of the rand helper if OpenSSL doesn't
 985                 # seed itself
 986                 USE_RAND_HELPER=yes
 987         ]
 988 )
 989
 990
 991 # Do we want to force the use of the rand helper?
 992 AC_ARG_WITH(rand-helper,
 993         [  --with-rand-helper      Use subprocess to gather strong randomness ],
 994         [
 995                 if test "x$withval" = "xno" ; then
 996                         # Force use of OpenSSL's internal RNG, even if
 997                         # the previous test showed it to be unseeded.
 998                         if test -z "$OPENSSL_SEEDS_ITSELF" ; then
 999                                 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
1000                                 OPENSSL_SEEDS_ITSELF=yes
1001                                 USE_RAND_HELPER=""
1002                         fi
1003                 else
1004                         USE_RAND_HELPER=yes
1005                 fi
1006         ],
1007 )
1008
1009 # Which randomness source do we use?
1010 if test ! -z "$OPENSSL_SEEDS_ITSELF" -a -z "$USE_RAND_HELPER" ; then
1011         # OpenSSL only
1012         AC_DEFINE(OPENSSL_PRNG_ONLY)
1013         RAND_MSG="OpenSSL internal ONLY"
1014         INSTALL_SSH_RAND_HELPER=""
1015 elif test ! -z "$USE_RAND_HELPER" ; then
1016         # install rand helper
1017         RAND_MSG="ssh-rand-helper"
1018         INSTALL_SSH_RAND_HELPER="yes"
1019 fi
1020 AC_SUBST(INSTALL_SSH_RAND_HELPER)
1021
1022 ### Configuration of ssh-rand-helper
1023
1024 # PRNGD TCP socket
1025 AC_ARG_WITH(prngd-port,
1026         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD TCP localhost:PORT],
1027         [
1028                 case "$withval" in
1029                 no)
1030                         withval=""
1031                         ;;
1032                 [[0-9]]*)
1033                         ;;
1034                 *)
1035                         AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
1036                         ;;
1037                 esac
1038                 if test ! -z "$withval" ; then
1039                         PRNGD_PORT="$withval"
1040                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
1041                 fi
1042         ]
1043 )
1044
1045 # PRNGD Unix domain socket
1046 AC_ARG_WITH(prngd-socket,
1047         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
1048         [
1049                 case "$withval" in
1050                 yes)
1051                         withval="/var/run/egd-pool"
1052                         ;;
1053                 no)
1054                         withval=""
1055                         ;;
1056                 /*)
1057                         ;;
1058                 *)
1059                         AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
1060                         ;;
1061                 esac
1062
1063                 if test ! -z "$withval" ; then
1064                         if test ! -z "$PRNGD_PORT" ; then
1065                                 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
1066                         fi
1067                         if test ! -r "$withval" ; then
1068                                 AC_MSG_WARN(Entropy socket is not readable)
1069                         fi
1070                         PRNGD_SOCKET="$withval"
1071                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1072                 fi
1073         ],
1074         [
1075                 # Check for existing socket only if we don't have a random device already
1076                 if test "$USE_RAND_HELPER" = yes ; then
1077                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1078                         # Insert other locations here
1079                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1080                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1081                                         PRNGD_SOCKET="$sock"
1082                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1083                                         break;
1084                                 fi
1085                         done
1086                         if test ! -z "$PRNGD_SOCKET" ; then
1087                                 AC_MSG_RESULT($PRNGD_SOCKET)
1088                         else
1089                                 AC_MSG_RESULT(not found)
1090                         fi
1091                 fi
1092         ]
1093 )
1094
1095 # Change default command timeout for hashing entropy source
1096 entropy_timeout=200
1097 AC_ARG_WITH(entropy-timeout,
1098         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1099         [
1100                 if test "x$withval" != "xno" ; then
1101                         entropy_timeout=$withval
1102                 fi
1103         ]
1104 )
1105 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1106
1107 SSH_PRIVSEP_USER=sshd
1108 AC_ARG_WITH(privsep-user,
1109         [  --with-privsep-user=user Specify non-privileged user for privilege separation],
1110         [
1111                 if test -n "$withval"; then
1112                         SSH_PRIVSEP_USER=$withval
1113                 fi
1114         ]
1115 )
1116 AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$SSH_PRIVSEP_USER")
1117 AC_SUBST(SSH_PRIVSEP_USER)
1118
1119 # We do this little dance with the search path to insure
1120 # that programs that we select for use by installed programs
1121 # (which may be run by the super-user) come from trusted
1122 # locations before they come from the user's private area.
1123 # This should help avoid accidentally configuring some
1124 # random version of a program in someone's personal bin.
1125
1126 OPATH=$PATH
1127 PATH=/bin:/usr/bin
1128 test -h /bin 2> /dev/null && PATH=/usr/bin
1129 test -d /sbin && PATH=$PATH:/sbin
1130 test -d /usr/sbin && PATH=$PATH:/usr/sbin
1131 PATH=$PATH:/etc:$OPATH
1132
1133 # These programs are used by the command hashing source to gather entropy
1134 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1135 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1136 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1137 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1138 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
1139 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1140 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
1141 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1142 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1143 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1144 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1145 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1146 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1147 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1148 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1149 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1150 # restore PATH
1151 PATH=$OPATH
1152
1153 # Where does ssh-rand-helper get its randomness from?
1154 INSTALL_SSH_PRNG_CMDS=""
1155 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
1156         if test ! -z "$PRNGD_PORT" ; then
1157                 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
1158         elif test ! -z "$PRNGD_SOCKET" ; then
1159                 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
1160         else
1161                 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
1162                 RAND_HELPER_CMDHASH=yes
1163                 INSTALL_SSH_PRNG_CMDS="yes"
1164         fi
1165 fi
1166 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1167
1168
1169 # Cheap hack to ensure NEWS-OS libraries are arranged right.
1170 if test ! -z "$SONY" ; then
1171   LIBS="$LIBS -liberty";
1172 fi
1173
1174 # Checks for data types
1175 AC_CHECK_SIZEOF(char, 1)
1176 AC_CHECK_SIZEOF(short int, 2)
1177 AC_CHECK_SIZEOF(int, 4)
1178 AC_CHECK_SIZEOF(long int, 4)
1179 AC_CHECK_SIZEOF(long long int, 8)
1180
1181 # Sanity check long long for some platforms (AIX)
1182 if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
1183         ac_cv_sizeof_long_long_int=0
1184 fi
1185
1186 # More checks for data types
1187 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
1188         AC_TRY_COMPILE(
1189                 [ #include <sys/types.h> ],
1190                 [ u_int a; a = 1;],
1191                 [ ac_cv_have_u_int="yes" ],
1192                 [ ac_cv_have_u_int="no" ]
1193         )
1194 ])
1195 if test "x$ac_cv_have_u_int" = "xyes" ; then
1196         AC_DEFINE(HAVE_U_INT)
1197         have_u_int=1
1198 fi
1199
1200 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
1201         AC_TRY_COMPILE(
1202                 [ #include <sys/types.h> ],
1203                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1204                 [ ac_cv_have_intxx_t="yes" ],
1205                 [ ac_cv_have_intxx_t="no" ]
1206         )
1207 ])
1208 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
1209         AC_DEFINE(HAVE_INTXX_T)
1210         have_intxx_t=1
1211 fi
1212
1213 if (test -z "$have_intxx_t" && \
1214            test "x$ac_cv_header_stdint_h" = "xyes")
1215 then
1216     AC_MSG_CHECKING([for intXX_t types in stdint.h])
1217         AC_TRY_COMPILE(
1218                 [ #include <stdint.h> ],
1219                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1220                 [
1221                         AC_DEFINE(HAVE_INTXX_T)
1222                         AC_MSG_RESULT(yes)
1223                 ],
1224                 [ AC_MSG_RESULT(no) ]
1225         )
1226 fi
1227
1228 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
1229         AC_TRY_COMPILE(
1230                 [ #include <sys/types.h> ],
1231                 [ int64_t a; a = 1;],
1232                 [ ac_cv_have_int64_t="yes" ],
1233                 [ ac_cv_have_int64_t="no" ]
1234         )
1235 ])
1236 if test "x$ac_cv_have_int64_t" = "xyes" ; then
1237         AC_DEFINE(HAVE_INT64_T)
1238         have_int64_t=1
1239 fi
1240
1241 if test -z "$have_int64_t" ; then
1242     AC_MSG_CHECKING([for int64_t type in sys/socket.h])
1243         AC_TRY_COMPILE(
1244                 [ #include <sys/socket.h> ],
1245                 [ int64_t a; a = 1],
1246                 [
1247                         AC_DEFINE(HAVE_INT64_T)
1248                         AC_MSG_RESULT(yes)
1249                 ],
1250                 [ AC_MSG_RESULT(no) ]
1251         )
1252 fi
1253
1254 if test -z "$have_int64_t" ; then
1255     AC_MSG_CHECKING([for int64_t type in sys/bitypes.h])
1256         AC_TRY_COMPILE(
1257                 [ #include <sys/bitypes.h> ],
1258                 [ int64_t a; a = 1],
1259                 [
1260                         AC_DEFINE(HAVE_INT64_T)
1261                         AC_MSG_RESULT(yes)
1262                 ],
1263                 [ AC_MSG_RESULT(no) ]
1264         )
1265 fi
1266
1267 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
1268         AC_TRY_COMPILE(
1269                 [ #include <sys/types.h> ],
1270                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1271                 [ ac_cv_have_u_intxx_t="yes" ],
1272                 [ ac_cv_have_u_intxx_t="no" ]
1273         )
1274 ])
1275 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
1276         AC_DEFINE(HAVE_U_INTXX_T)
1277         have_u_intxx_t=1
1278 fi
1279
1280 if test -z "$have_u_intxx_t" ; then
1281     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
1282         AC_TRY_COMPILE(
1283                 [ #include <sys/socket.h> ],
1284                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1285                 [
1286                         AC_DEFINE(HAVE_U_INTXX_T)
1287                         AC_MSG_RESULT(yes)
1288                 ],
1289                 [ AC_MSG_RESULT(no) ]
1290         )
1291 fi
1292
1293 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
1294         AC_TRY_COMPILE(
1295                 [ #include <sys/types.h> ],
1296                 [ u_int64_t a; a = 1;],
1297                 [ ac_cv_have_u_int64_t="yes" ],
1298                 [ ac_cv_have_u_int64_t="no" ]
1299         )
1300 ])
1301 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
1302         AC_DEFINE(HAVE_U_INT64_T)
1303         have_u_int64_t=1
1304 fi
1305
1306 if test -z "$have_u_int64_t" ; then
1307     AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
1308         AC_TRY_COMPILE(
1309                 [ #include <sys/bitypes.h> ],
1310                 [ u_int64_t a; a = 1],
1311                 [
1312                         AC_DEFINE(HAVE_U_INT64_T)
1313                         AC_MSG_RESULT(yes)
1314                 ],
1315                 [ AC_MSG_RESULT(no) ]
1316         )
1317 fi
1318
1319 if test -z "$have_u_intxx_t" ; then
1320         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
1321                 AC_TRY_COMPILE(
1322                         [
1323 #include <sys/types.h>
1324                         ],
1325                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
1326                         [ ac_cv_have_uintxx_t="yes" ],
1327                         [ ac_cv_have_uintxx_t="no" ]
1328                 )
1329         ])
1330         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
1331                 AC_DEFINE(HAVE_UINTXX_T)
1332         fi
1333 fi
1334
1335 if test -z "$have_uintxx_t" ; then
1336     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
1337         AC_TRY_COMPILE(
1338                 [ #include <stdint.h> ],
1339                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
1340                 [
1341                         AC_DEFINE(HAVE_UINTXX_T)
1342                         AC_MSG_RESULT(yes)
1343                 ],
1344                 [ AC_MSG_RESULT(no) ]
1345         )
1346 fi
1347
1348 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
1349            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
1350 then
1351         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
1352         AC_TRY_COMPILE(
1353                 [
1354 #include <sys/bitypes.h>
1355                 ],
1356                 [
1357                         int8_t a; int16_t b; int32_t c;
1358                         u_int8_t e; u_int16_t f; u_int32_t g;
1359                         a = b = c = e = f = g = 1;
1360                 ],
1361                 [
1362                         AC_DEFINE(HAVE_U_INTXX_T)
1363                         AC_DEFINE(HAVE_INTXX_T)
1364                         AC_MSG_RESULT(yes)
1365                 ],
1366                 [AC_MSG_RESULT(no)]
1367         )
1368 fi
1369
1370
1371 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
1372         AC_TRY_COMPILE(
1373                 [
1374 #include <sys/types.h>
1375                 ],
1376                 [ u_char foo; foo = 125; ],
1377                 [ ac_cv_have_u_char="yes" ],
1378                 [ ac_cv_have_u_char="no" ]
1379         )
1380 ])
1381 if test "x$ac_cv_have_u_char" = "xyes" ; then
1382         AC_DEFINE(HAVE_U_CHAR)
1383 fi
1384
1385 TYPE_SOCKLEN_T
1386
1387 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
1388
1389 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
1390         AC_TRY_COMPILE(
1391                 [
1392 #include <sys/types.h>
1393                 ],
1394                 [ size_t foo; foo = 1235; ],
1395                 [ ac_cv_have_size_t="yes" ],
1396                 [ ac_cv_have_size_t="no" ]
1397         )
1398 ])
1399 if test "x$ac_cv_have_size_t" = "xyes" ; then
1400         AC_DEFINE(HAVE_SIZE_T)
1401 fi
1402
1403 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
1404         AC_TRY_COMPILE(
1405                 [
1406 #include <sys/types.h>
1407                 ],
1408                 [ ssize_t foo; foo = 1235; ],
1409                 [ ac_cv_have_ssize_t="yes" ],
1410                 [ ac_cv_have_ssize_t="no" ]
1411         )
1412 ])
1413 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
1414         AC_DEFINE(HAVE_SSIZE_T)
1415 fi
1416
1417 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
1418         AC_TRY_COMPILE(
1419                 [
1420 #include <time.h>
1421                 ],
1422                 [ clock_t foo; foo = 1235; ],
1423                 [ ac_cv_have_clock_t="yes" ],
1424                 [ ac_cv_have_clock_t="no" ]
1425         )
1426 ])
1427 if test "x$ac_cv_have_clock_t" = "xyes" ; then
1428         AC_DEFINE(HAVE_CLOCK_T)
1429 fi
1430
1431 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
1432         AC_TRY_COMPILE(
1433                 [
1434 #include <sys/types.h>
1435 #include <sys/socket.h>
1436                 ],
1437                 [ sa_family_t foo; foo = 1235; ],
1438                 [ ac_cv_have_sa_family_t="yes" ],
1439                 [ AC_TRY_COMPILE(
1440                   [
1441 #include <sys/types.h>
1442 #include <sys/socket.h>
1443 #include <netinet/in.h>
1444                 ],
1445                 [ sa_family_t foo; foo = 1235; ],
1446                 [ ac_cv_have_sa_family_t="yes" ],
1447
1448                 [ ac_cv_have_sa_family_t="no" ]
1449         )]
1450         )
1451 ])
1452 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
1453         AC_DEFINE(HAVE_SA_FAMILY_T)
1454 fi
1455
1456 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
1457         AC_TRY_COMPILE(
1458                 [
1459 #include <sys/types.h>
1460                 ],
1461                 [ pid_t foo; foo = 1235; ],
1462                 [ ac_cv_have_pid_t="yes" ],
1463                 [ ac_cv_have_pid_t="no" ]
1464         )
1465 ])
1466 if test "x$ac_cv_have_pid_t" = "xyes" ; then
1467         AC_DEFINE(HAVE_PID_T)
1468 fi
1469
1470 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
1471         AC_TRY_COMPILE(
1472                 [
1473 #include <sys/types.h>
1474                 ],
1475                 [ mode_t foo; foo = 1235; ],
1476                 [ ac_cv_have_mode_t="yes" ],
1477                 [ ac_cv_have_mode_t="no" ]
1478         )
1479 ])
1480 if test "x$ac_cv_have_mode_t" = "xyes" ; then
1481         AC_DEFINE(HAVE_MODE_T)
1482 fi
1483
1484
1485 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
1486         AC_TRY_COMPILE(
1487                 [
1488 #include <sys/types.h>
1489 #include <sys/socket.h>
1490                 ],
1491                 [ struct sockaddr_storage s; ],
1492                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
1493                 [ ac_cv_have_struct_sockaddr_storage="no" ]
1494         )
1495 ])
1496 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
1497         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
1498 fi
1499
1500 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
1501         AC_TRY_COMPILE(
1502                 [
1503 #include <sys/types.h>
1504 #include <netinet/in.h>
1505                 ],
1506                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1507                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1508                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1509         )
1510 ])
1511 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1512         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1513 fi
1514
1515 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1516         AC_TRY_COMPILE(
1517                 [
1518 #include <sys/types.h>
1519 #include <netinet/in.h>
1520                 ],
1521                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1522                 [ ac_cv_have_struct_in6_addr="yes" ],
1523                 [ ac_cv_have_struct_in6_addr="no" ]
1524         )
1525 ])
1526 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1527         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1528 fi
1529
1530 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1531         AC_TRY_COMPILE(
1532                 [
1533 #include <sys/types.h>
1534 #include <sys/socket.h>
1535 #include <netdb.h>
1536                 ],
1537                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1538                 [ ac_cv_have_struct_addrinfo="yes" ],
1539                 [ ac_cv_have_struct_addrinfo="no" ]
1540         )
1541 ])
1542 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1543         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1544 fi
1545
1546 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1547         AC_TRY_COMPILE(
1548                 [ #include <sys/time.h> ],
1549                 [ struct timeval tv; tv.tv_sec = 1;],
1550                 [ ac_cv_have_struct_timeval="yes" ],
1551                 [ ac_cv_have_struct_timeval="no" ]
1552         )
1553 ])
1554 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1555         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1556         have_struct_timeval=1
1557 fi
1558
1559 # If we don't have int64_t then we can't compile sftp-server.  So don't
1560 # even attempt to do it.
1561 if test "x$ac_cv_have_int64_t" = "xno" -a \
1562         "x$ac_cv_sizeof_long_int" != "x8" -a \
1563         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1564         NO_SFTP='#'
1565 else
1566 dnl test snprintf (broken on SCO w/gcc)
1567         AC_TRY_RUN(
1568                 [
1569 #include <stdio.h>
1570 #include <string.h>
1571 #ifdef HAVE_SNPRINTF
1572 main()
1573 {
1574         char buf[50];
1575         char expected_out[50];
1576         int mazsize = 50 ;
1577 #if (SIZEOF_LONG_INT == 8)
1578         long int num = 0x7fffffffffffffff;
1579 #else
1580         long long num = 0x7fffffffffffffffll;
1581 #endif
1582         strcpy(expected_out, "9223372036854775807");
1583         snprintf(buf, mazsize, "%lld", num);
1584         if(strcmp(buf, expected_out) != 0)
1585                 exit(1);
1586         exit(0);
1587 }
1588 #else
1589 main() { exit(0); }
1590 #endif
1591                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1592         )
1593 fi
1594 AC_SUBST(NO_SFTP)
1595
1596 dnl Checks for structure members
1597 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1598 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1599 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1600 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1601 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1602 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1603 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1604 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1605 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1606 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1607 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1608 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1609 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1610 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1611 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1612 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1613 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1614
1615 AC_CHECK_MEMBERS([struct stat.st_blksize])
1616
1617 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1618                 ac_cv_have_ss_family_in_struct_ss, [
1619         AC_TRY_COMPILE(
1620                 [
1621 #include <sys/types.h>
1622 #include <sys/socket.h>
1623                 ],
1624                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1625                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1626                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1627         )
1628 ])
1629 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1630         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1631 fi
1632
1633 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1634                 ac_cv_have___ss_family_in_struct_ss, [
1635         AC_TRY_COMPILE(
1636                 [
1637 #include <sys/types.h>
1638 #include <sys/socket.h>
1639                 ],
1640                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1641                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1642                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1643         )
1644 ])
1645 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1646         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1647 fi
1648
1649 AC_CACHE_CHECK([for pw_class field in struct passwd],
1650                 ac_cv_have_pw_class_in_struct_passwd, [
1651         AC_TRY_COMPILE(
1652                 [
1653 #include <pwd.h>
1654                 ],
1655                 [ struct passwd p; p.pw_class = 0; ],
1656                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1657                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1658         )
1659 ])
1660 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1661         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1662 fi
1663
1664 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1665                 ac_cv_have_pw_expire_in_struct_passwd, [
1666         AC_TRY_COMPILE(
1667                 [
1668 #include <pwd.h>
1669                 ],
1670                 [ struct passwd p; p.pw_expire = 0; ],
1671                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1672                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1673         )
1674 ])
1675 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1676         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1677 fi
1678
1679 AC_CACHE_CHECK([for pw_change field in struct passwd],
1680                 ac_cv_have_pw_change_in_struct_passwd, [
1681         AC_TRY_COMPILE(
1682                 [
1683 #include <pwd.h>
1684                 ],
1685                 [ struct passwd p; p.pw_change = 0; ],
1686                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1687                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1688         )
1689 ])
1690 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1691         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1692 fi
1693
1694 dnl make sure we're using the real structure members and not defines
1695 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
1696                 ac_cv_have_accrights_in_msghdr, [
1697         AC_TRY_RUN(
1698                 [
1699 #include <sys/types.h>
1700 #include <sys/socket.h>
1701 #include <sys/uio.h>
1702 int main() {
1703 #ifdef msg_accrights
1704 exit(1);
1705 #endif
1706 struct msghdr m;
1707 m.msg_accrights = 0;
1708 exit(0);
1709 }
1710                 ],
1711                 [ ac_cv_have_accrights_in_msghdr="yes" ],
1712                 [ ac_cv_have_accrights_in_msghdr="no" ]
1713         )
1714 ])
1715 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
1716         AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
1717 fi
1718
1719 AC_CACHE_CHECK([for msg_control field in struct msghdr],
1720                 ac_cv_have_control_in_msghdr, [
1721         AC_TRY_RUN(
1722                 [
1723 #include <sys/types.h>
1724 #include <sys/socket.h>
1725 #include <sys/uio.h>
1726 int main() {
1727 #ifdef msg_control
1728 exit(1);
1729 #endif
1730 struct msghdr m;
1731 m.msg_control = 0;
1732 exit(0);
1733 }
1734                 ],
1735                 [ ac_cv_have_control_in_msghdr="yes" ],
1736                 [ ac_cv_have_control_in_msghdr="no" ]
1737         )
1738 ])
1739 if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
1740         AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
1741 fi
1742
1743 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1744         AC_TRY_LINK([],
1745                 [ extern char *__progname; printf("%s", __progname); ],
1746                 [ ac_cv_libc_defines___progname="yes" ],
1747                 [ ac_cv_libc_defines___progname="no" ]
1748         )
1749 ])
1750 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1751         AC_DEFINE(HAVE___PROGNAME)
1752 fi
1753
1754 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
1755         AC_TRY_LINK([
1756 #include <stdio.h>
1757 ],
1758                 [ printf("%s", __FUNCTION__); ],
1759                 [ ac_cv_cc_implements___FUNCTION__="yes" ],
1760                 [ ac_cv_cc_implements___FUNCTION__="no" ]
1761         )
1762 ])
1763 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
1764         AC_DEFINE(HAVE___FUNCTION__)
1765 fi
1766
1767 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
1768         AC_TRY_LINK([
1769 #include <stdio.h>
1770 ],
1771                 [ printf("%s", __func__); ],
1772                 [ ac_cv_cc_implements___func__="yes" ],
1773                 [ ac_cv_cc_implements___func__="no" ]
1774         )
1775 ])
1776 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
1777         AC_DEFINE(HAVE___func__)
1778 fi
1779
1780 AC_CACHE_CHECK([whether getopt has optreset support],
1781                 ac_cv_have_getopt_optreset, [
1782         AC_TRY_LINK(
1783                 [
1784 #include <getopt.h>
1785                 ],
1786                 [ extern int optreset; optreset = 0; ],
1787                 [ ac_cv_have_getopt_optreset="yes" ],
1788                 [ ac_cv_have_getopt_optreset="no" ]
1789         )
1790 ])
1791 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
1792         AC_DEFINE(HAVE_GETOPT_OPTRESET)
1793 fi
1794
1795 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1796         AC_TRY_LINK([],
1797                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1798                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1799                 [ ac_cv_libc_defines_sys_errlist="no" ]
1800         )
1801 ])
1802 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1803         AC_DEFINE(HAVE_SYS_ERRLIST)
1804 fi
1805
1806
1807 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1808         AC_TRY_LINK([],
1809                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1810                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1811                 [ ac_cv_libc_defines_sys_nerr="no" ]
1812         )
1813 ])
1814 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1815         AC_DEFINE(HAVE_SYS_NERR)
1816 fi
1817
1818 SCARD_MSG="no"
1819
1820 # Check whether user wants sectok support
1821 AC_ARG_WITH(sectok,
1822         [  --with-sectok           Enable smartcard support using libsectok],
1823         [
1824                 if test "x$withval" != "xno" ; then
1825                         if test "x$withval" != "xyes" ; then
1826                                 CPPFLAGS="$CPPFLAGS -I${withval}"
1827                                 LDFLAGS="$LDFLAGS -L${withval}"
1828                                 if test ! -z "$need_dash_r" ; then
1829                                         LDFLAGS="$LDFLAGS -R${withval}"
1830                                 fi
1831                                 if test ! -z "$blibpath" ; then
1832                                         blibpath="$blibpath:${withval}"
1833                                 fi
1834                         fi
1835                         AC_CHECK_HEADERS(sectok.h)
1836                         if test "$ac_cv_header_sectok_h" != yes; then
1837                                 AC_MSG_ERROR(Can't find sectok.h)
1838                         fi
1839                         AC_CHECK_LIB(sectok, sectok_open)
1840                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
1841                                 AC_MSG_ERROR(Can't find libsectok)
1842                         fi
1843                         AC_DEFINE(SMARTCARD)
1844                         AC_DEFINE(USE_SECTOK)
1845                         SCARD_MSG="yes, using sectok"
1846                 fi
1847         ]
1848 )
1849
1850 # Check whether user wants OpenSC support
1851 AC_ARG_WITH(opensc,
1852         AC_HELP_STRING([--with-opensc=PFX],
1853                        [Enable smartcard support using OpenSC]),
1854         opensc_config_prefix="$withval", opensc_config_prefix="")
1855 if test x$opensc_config_prefix != x ; then
1856   OPENSC_CONFIG=$opensc_config_prefix/bin/opensc-config
1857   AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
1858   if test "$OPENSC_CONFIG" != "no"; then
1859     LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
1860     LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
1861     CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
1862     LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"
1863     AC_DEFINE(SMARTCARD)
1864     AC_DEFINE(USE_OPENSC)
1865     SCARD_MSG="yes, using OpenSC"
1866   fi
1867 fi
1868
1869 # Check whether user wants Kerberos 5 support
1870 KRB5_MSG="no"
1871 AC_ARG_WITH(kerberos5,
1872         [  --with-kerberos5=PATH   Enable Kerberos 5 support],
1873         [
1874                 if test "x$withval" != "xno" ; then
1875                         if test "x$withval" = "xyes" ; then
1876                                 KRB5ROOT="/usr/local"
1877                         else
1878                                 KRB5ROOT=${withval}
1879                         fi
1880                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
1881                         LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
1882                         AC_DEFINE(KRB5)
1883                         KRB5_MSG="yes"
1884                         AC_MSG_CHECKING(whether we are using Heimdal)
1885                         AC_TRY_COMPILE([ #include <krb5.h> ],
1886                                        [ char *tmp = heimdal_version; ],
1887                                        [ AC_MSG_RESULT(yes)
1888                                          AC_DEFINE(HEIMDAL)
1889                                          K5LIBS="-lkrb5 -ldes -lcom_err -lasn1 -lroken"
1890                                        ],
1891                                        [ AC_MSG_RESULT(no)
1892                                          K5LIBS="-lkrb5 -lk5crypto -lcom_err"
1893                                        ]
1894                         )
1895                         if test ! -z "$need_dash_r" ; then
1896                                 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
1897                         fi
1898                         if test ! -z "$blibpath" ; then
1899                                 blibpath="$blibpath:${KRB5ROOT}/lib"
1900                         fi
1901                         AC_CHECK_LIB(resolv, dn_expand, , )
1902
1903                         # If we're using some other GSSAPI
1904                         if test "$GSSAPI" -a "$GSSAPI" != "mechglue"; then
1905                                 AC_MSG_ERROR([$GSSAPI GSSAPI library conflicts with Kerberos support.  Use mechglue instead.])
1906                         fi
1907                         AC_CHECK_LIB(gssapi,gss_init_sec_context,
1908                                 [ AC_DEFINE(GSSAPI)
1909                                   K5LIBS="-lgssapi $K5LIBS" ],
1910                                 [ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
1911                                         [ AC_DEFINE(GSSAPI)
1912                                           K5LIBS="-lgssapi_krb5 $K5LIBS" ],
1913                                         AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
1914                                         $K5LIBS)
1915                                 ],
1916                                 $K5LIBS)
1917
1918                         AC_CHECK_HEADER(gssapi.h, ,
1919                                 [ unset ac_cv_header_gssapi_h
1920                                   CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
1921                                   AC_CHECK_HEADERS(gssapi.h, ,
1922                                         AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
1923                                   )
1924                                 ]
1925                         )
1926
1927                         AC_CHECK_LIB(gssapi, gss_krb5_copy_ccache, /bin/true,
1928                                 [ K5LIBS="-lgssapi_krb5 $K5LIBS"
1929                                   AC_CHECK_LIB(gssapi_krb5, gss_krb5_copy_ccache, /bin/true,
1930                                         AC_MSG_WARN([Cannot find gss_krb5_copy_ccache -- build may fail]),
1931                                         $K5LIBS)
1932                                 ],
1933                                 $K5LIBS)
1934
1935                         oldCPP="$CPPFLAGS"
1936                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
1937                         AC_CHECK_HEADER(gssapi_krb5.h, ,
1938                                         [ CPPFLAGS="$oldCPP" ])
1939
1940                         if test -z "$GSSAPI"; then
1941                                 GSSAPI="KRB5";
1942                         fi
1943
1944                         KRB5=yes
1945                 fi
1946         ]
1947 )
1948 # Check whether user wants Kerberos 4 support
1949 KRB4_MSG="no"
1950 AC_ARG_WITH(kerberos4,
1951         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1952         [
1953                 if test "x$withval" != "xno" ; then
1954                         if test "x$withval" != "xyes" ; then
1955                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1956                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1957                                 if test ! -z "$need_dash_r" ; then
1958                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1959                                 fi
1960                                 if test ! -z "$blibpath" ; then
1961                                         blibpath="$blibpath:${withval}/lib"
1962                                 fi
1963                         else
1964                                 if test -d /usr/include/kerberosIV ; then
1965                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1966                                 fi
1967                         fi
1968
1969                         AC_CHECK_HEADERS(krb.h)
1970                         if test "$ac_cv_header_krb_h" != yes; then
1971                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1972                         fi
1973                         AC_CHECK_LIB(krb, main)
1974                         if test "$ac_cv_lib_krb_main" != yes; then
1975                                 AC_CHECK_LIB(krb4, main)
1976                                 if test "$ac_cv_lib_krb4_main" != yes; then
1977                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
1978                                 else
1979                                         KLIBS="-lkrb4"
1980                                 fi
1981                         else
1982                                 KLIBS="-lkrb"
1983                         fi
1984                         AC_CHECK_LIB(des, des_cbc_encrypt)
1985                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
1986                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
1987                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
1988                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
1989                                 else
1990                                         KLIBS="-ldes425"
1991                                 fi
1992                         else
1993                                 KLIBS="-ldes"
1994                         fi
1995                         AC_CHECK_LIB(resolv, dn_expand, , )
1996                         KRB4=yes
1997                         KRB4_MSG="yes"
1998                         AC_DEFINE(KRB4)
1999                 fi
2000         ]
2001 )
2002
2003 # Check whether user wants AFS support
2004 AFS_MSG="no"
2005 AC_ARG_WITH(afs,
2006         [  --with-afs=PATH         Enable AFS support],
2007         [
2008                 if test "x$withval" != "xno" ; then
2009
2010                         if test "x$withval" != "xyes" ; then
2011                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
2012                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
2013                         fi
2014
2015                         if test -z "$KRB4" ; then
2016                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
2017                         fi
2018
2019                         LIBS="-lkafs $LIBS"
2020                         if test ! -z "$AFS_LIBS" ; then
2021                                 LIBS="$LIBS $AFS_LIBS"
2022                         fi
2023                         AC_DEFINE(AFS)
2024                         AFS_MSG="yes"
2025                 fi
2026         ]
2027 )
2028 LIBS="$LIBS $KLIBS $K5LIBS"
2029
2030 # Looking for programs, paths and files
2031
2032 PRIVSEP_PATH=/var/empty
2033 AC_ARG_WITH(privsep-path,
2034         [  --with-privsep-path=xxx Path for privilege separation chroot ],
2035         [
2036                 if test "x$withval" != "$no" ; then
2037                         PRIVSEP_PATH=$withval
2038                 fi
2039         ]
2040 )
2041 AC_SUBST(PRIVSEP_PATH)
2042
2043 AC_ARG_WITH(xauth,
2044         [  --with-xauth=PATH       Specify path to xauth program ],
2045         [
2046                 if test "x$withval" != "xno" ; then
2047                         xauth_path=$withval
2048                 fi
2049         ],
2050         [
2051                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
2052                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
2053                         xauth_path="/usr/openwin/bin/xauth"
2054                 fi
2055         ]
2056 )
2057
2058 if test -z "$xauth_path" ; then
2059         XAUTH_PATH="undefined"
2060         AC_SUBST(XAUTH_PATH)
2061 else
2062         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
2063         XAUTH_PATH=$xauth_path
2064         AC_SUBST(XAUTH_PATH)
2065 fi
2066
2067 # Check for mail directory (last resort if we cannot get it from headers)
2068 if test ! -z "$MAIL" ; then
2069         maildir=`dirname $MAIL`
2070         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
2071 fi
2072
2073 if test -z "$no_dev_ptmx" ; then
2074         if test "x$disable_ptmx_check" != "xyes" ; then
2075                 AC_CHECK_FILE("/dev/ptmx",
2076                         [
2077                                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
2078                                 have_dev_ptmx=1
2079                         ]
2080                 )
2081         fi
2082 fi
2083 AC_CHECK_FILE("/dev/ptc",
2084         [
2085                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
2086                 have_dev_ptc=1
2087         ]
2088 )
2089
2090 # Options from here on. Some of these are preset by platform above
2091 AC_ARG_WITH(mantype,
2092         [  --with-mantype=man|cat|doc  Set man page type],
2093         [
2094                 case "$withval" in
2095                 man|cat|doc)
2096                         MANTYPE=$withval
2097                         ;;
2098                 *)
2099                         AC_MSG_ERROR(invalid man type: $withval)
2100                         ;;
2101                 esac
2102         ]
2103 )
2104 if test -z "$MANTYPE"; then
2105         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, /usr/bin:/usr/ucb)
2106         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
2107                 MANTYPE=doc
2108         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
2109                 MANTYPE=man
2110         else
2111                 MANTYPE=cat
2112         fi
2113 fi
2114 AC_SUBST(MANTYPE)
2115 if test "$MANTYPE" = "doc"; then
2116         mansubdir=man;
2117 else
2118         mansubdir=$MANTYPE;
2119 fi
2120 AC_SUBST(mansubdir)
2121
2122 # Check whether to enable MD5 passwords
2123 MD5_MSG="no"
2124 AC_ARG_WITH(md5-passwords,
2125         [  --with-md5-passwords    Enable use of MD5 passwords],
2126         [
2127                 if test "x$withval" != "xno" ; then
2128                         AC_DEFINE(HAVE_MD5_PASSWORDS)
2129                         MD5_MSG="yes"
2130                 fi
2131         ]
2132 )
2133
2134 # Whether to disable shadow password support
2135 AC_ARG_WITH(shadow,
2136         [  --without-shadow        Disable shadow password support],
2137         [
2138                 if test "x$withval" = "xno" ; then
2139                         AC_DEFINE(DISABLE_SHADOW)
2140                         disable_shadow=yes
2141                 fi
2142         ]
2143 )
2144
2145 if test -z "$disable_shadow" ; then
2146         AC_MSG_CHECKING([if the systems has expire shadow information])
2147         AC_TRY_COMPILE(
2148         [
2149 #include <sys/types.h>
2150 #include <shadow.h>
2151         struct spwd sp;
2152         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
2153         [ sp_expire_available=yes ], []
2154         )
2155
2156         if test "x$sp_expire_available" = "xyes" ; then
2157                 AC_MSG_RESULT(yes)
2158                 AC_DEFINE(HAS_SHADOW_EXPIRE)
2159         else
2160                 AC_MSG_RESULT(no)
2161         fi
2162 fi
2163
2164 # Use ip address instead of hostname in $DISPLAY
2165 if test ! -z "$IPADDR_IN_DISPLAY" ; then
2166         DISPLAY_HACK_MSG="yes"
2167         AC_DEFINE(IPADDR_IN_DISPLAY)
2168 else
2169         DISPLAY_HACK_MSG="no"
2170         AC_ARG_WITH(ipaddr-display,
2171                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
2172                 [
2173                         if test "x$withval" != "xno" ; then
2174                                 AC_DEFINE(IPADDR_IN_DISPLAY)
2175                                 DISPLAY_HACK_MSG="yes"
2176                         fi
2177                 ]
2178         )
2179 fi
2180
2181 dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
2182 if test $ac_cv_func_login_getcapbool = "yes" -a \
2183         $ac_cv_header_login_cap_h = "yes" ; then
2184         USES_LOGIN_CONF=yes
2185 fi
2186 # Whether to mess with the default path
2187 SERVER_PATH_MSG="(default)"
2188 AC_ARG_WITH(default-path,
2189         [  --with-default-path=    Specify default \$PATH environment for server],
2190         [
2191                 if test "$USES_LOGIN_CONF" = "yes" ; then
2192                         AC_MSG_WARN([
2193 --with-default-path=PATH has no effect on this system.
2194 Edit /etc/login.conf instead.])
2195                 elif test "x$withval" != "xno" ; then
2196                         user_path="$withval"
2197                         SERVER_PATH_MSG="$withval"
2198                 fi
2199         ],
2200         [ if test "$USES_LOGIN_CONF" = "yes" ; then
2201         AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
2202         else
2203         AC_TRY_RUN(
2204                 [
2205 /* find out what STDPATH is */
2206 #include <stdio.h>
2207 #ifdef HAVE_PATHS_H
2208 # include <paths.h>
2209 #endif
2210 #ifndef _PATH_STDPATH
2211 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
2212 #endif
2213 #include <sys/types.h>
2214 #include <sys/stat.h>
2215 #include <fcntl.h>
2216 #define DATA "conftest.stdpath"
2217
2218 main()
2219 {
2220         FILE *fd;
2221         int rc;
2222
2223         fd = fopen(DATA,"w");
2224         if(fd == NULL)
2225                 exit(1);
2226
2227         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
2228                 exit(1);
2229
2230         exit(0);
2231 }
2232                 ], [ user_path=`cat conftest.stdpath` ],
2233                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
2234                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
2235         )
2236 # make sure $bindir is in USER_PATH so scp will work
2237                 t_bindir=`eval echo ${bindir}`
2238                 case $t_bindir in
2239                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
2240                 esac
2241                 case $t_bindir in
2242                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
2243                 esac
2244                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
2245                 if test $? -ne 0  ; then
2246                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
2247                         if test $? -ne 0  ; then
2248                                 user_path=$user_path:$t_bindir
2249                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
2250                         fi
2251                 fi
2252         fi ]
2253 )
2254 if test "$USES_LOGIN_CONF" != "yes" ; then
2255         AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
2256         AC_SUBST(user_path)
2257 fi
2258
2259 # Set superuser path separately to user path
2260 AC_ARG_WITH(superuser-path,
2261         [  --with-superuser-path=  Specify different path for super-user],
2262         [
2263                 if test "x$withval" != "xno" ; then
2264                         AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval")
2265                         superuser_path=$withval
2266                 fi
2267         ]
2268 )
2269
2270
2271 # Whether to force IPv4 by default (needed on broken glibc Linux)
2272 IPV4_HACK_MSG="no"
2273 AC_ARG_WITH(ipv4-default,
2274         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
2275         [
2276                 if test "x$withval" != "xno" ; then
2277                         AC_DEFINE(IPV4_DEFAULT)
2278                         IPV4_HACK_MSG="yes"
2279                 fi
2280         ]
2281 )
2282
2283 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
2284 IPV4_IN6_HACK_MSG="no"
2285 AC_ARG_WITH(4in6,
2286         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
2287         [
2288                 if test "x$withval" != "xno" ; then
2289                         AC_MSG_RESULT(yes)
2290                         AC_DEFINE(IPV4_IN_IPV6)
2291                         IPV4_IN6_HACK_MSG="yes"
2292                 else
2293                         AC_MSG_RESULT(no)
2294                 fi
2295         ],[
2296                 if test "x$inet6_default_4in6" = "xyes"; then
2297                         AC_MSG_RESULT([yes (default)])
2298                         AC_DEFINE(IPV4_IN_IPV6)
2299                         IPV4_IN6_HACK_MSG="yes"
2300                 else
2301                         AC_MSG_RESULT([no (default)])
2302                 fi
2303         ]
2304 )
2305
2306 # Whether to enable BSD auth support
2307 BSD_AUTH_MSG=no
2308 AC_ARG_WITH(bsd-auth,
2309         [  --with-bsd-auth         Enable BSD auth support],
2310         [
2311                 if test "x$withval" != "xno" ; then
2312                         AC_DEFINE(BSD_AUTH)
2313                         BSD_AUTH_MSG=yes
2314                 fi
2315         ]
2316 )
2317
2318 # Where to place sshd.pid
2319 piddir=/var/run
2320 # make sure the directory exists
2321 if test ! -d $piddir ; then
2322         piddir=`eval echo ${sysconfdir}`
2323         case $piddir in
2324                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
2325         esac
2326 fi
2327
2328 AC_ARG_WITH(pid-dir,
2329         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
2330         [
2331                 if test "x$withval" != "xno" ; then
2332                         piddir=$withval
2333                         if test ! -d $piddir ; then
2334                         AC_MSG_WARN([** no $piddir directory on this system **])
2335                         fi
2336                 fi
2337         ]
2338 )
2339
2340 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
2341 AC_SUBST(piddir)
2342
2343 dnl allow user to disable some login recording features
2344 AC_ARG_ENABLE(lastlog,
2345         [  --disable-lastlog       disable use of lastlog even if detected [no]],
2346         [ AC_DEFINE(DISABLE_LASTLOG) ]
2347 )
2348 AC_ARG_ENABLE(utmp,
2349         [  --disable-utmp          disable use of utmp even if detected [no]],
2350         [ AC_DEFINE(DISABLE_UTMP) ]
2351 )
2352 AC_ARG_ENABLE(utmpx,
2353         [  --disable-utmpx         disable use of utmpx even if detected [no]],
2354         [ AC_DEFINE(DISABLE_UTMPX) ]
2355 )
2356 AC_ARG_ENABLE(wtmp,
2357         [  --disable-wtmp          disable use of wtmp even if detected [no]],
2358         [ AC_DEFINE(DISABLE_WTMP) ]
2359 )
2360 AC_ARG_ENABLE(wtmpx,
2361         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
2362         [ AC_DEFINE(DISABLE_WTMPX) ]
2363 )
2364 AC_ARG_ENABLE(libutil,
2365         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
2366         [ AC_DEFINE(DISABLE_LOGIN) ]
2367 )
2368 AC_ARG_ENABLE(pututline,
2369         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
2370         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
2371 )
2372 AC_ARG_ENABLE(pututxline,
2373         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
2374         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
2375 )
2376 AC_ARG_WITH(lastlog,
2377   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
2378         [
2379                 if test "x$withval" = "xno" ; then
2380                         AC_DEFINE(DISABLE_LASTLOG)
2381                 else
2382                         conf_lastlog_location=$withval
2383                 fi
2384         ]
2385 )
2386
2387 dnl lastlog, [uw]tmpx? detection
2388 dnl  NOTE: set the paths in the platform section to avoid the
2389 dnl   need for command-line parameters
2390 dnl lastlog and [uw]tmp are subject to a file search if all else fails
2391
2392 dnl lastlog detection
2393 dnl  NOTE: the code itself will detect if lastlog is a directory
2394 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
2395 AC_TRY_COMPILE([
2396 #include <sys/types.h>
2397 #include <utmp.h>
2398 #ifdef HAVE_LASTLOG_H
2399 #  include <lastlog.h>
2400 #endif
2401 #ifdef HAVE_PATHS_H
2402 #  include <paths.h>
2403 #endif
2404 #ifdef HAVE_LOGIN_H
2405 # include <login.h>
2406 #endif
2407         ],
2408         [ char *lastlog = LASTLOG_FILE; ],
2409         [ AC_MSG_RESULT(yes) ],
2410         [
2411                 AC_MSG_RESULT(no)
2412                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
2413                 AC_TRY_COMPILE([
2414 #include <sys/types.h>
2415 #include <utmp.h>
2416 #ifdef HAVE_LASTLOG_H
2417 #  include <lastlog.h>
2418 #endif
2419 #ifdef HAVE_PATHS_H
2420 #  include <paths.h>
2421 #endif
2422                 ],
2423                 [ char *lastlog = _PATH_LASTLOG; ],
2424                 [ AC_MSG_RESULT(yes) ],
2425                 [
2426                         AC_MSG_RESULT(no)
2427                         system_lastlog_path=no
2428                 ])
2429         ]
2430 )
2431
2432 if test -z "$conf_lastlog_location"; then
2433         if test x"$system_lastlog_path" = x"no" ; then
2434                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
2435                                 if (test -d "$f" || test -f "$f") ; then
2436                                         conf_lastlog_location=$f
2437                                 fi
2438                 done
2439                 if test -z "$conf_lastlog_location"; then
2440                         AC_MSG_WARN([** Cannot find lastlog **])
2441                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
2442                 fi
2443         fi
2444 fi
2445
2446 if test -n "$conf_lastlog_location"; then
2447         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
2448 fi
2449
2450 dnl utmp detection
2451 AC_MSG_CHECKING([if your system defines UTMP_FILE])
2452 AC_TRY_COMPILE([
2453 #include <sys/types.h>
2454 #include <utmp.h>
2455 #ifdef HAVE_PATHS_H
2456 #  include <paths.h>
2457 #endif
2458         ],
2459         [ char *utmp = UTMP_FILE; ],
2460         [ AC_MSG_RESULT(yes) ],
2461         [ AC_MSG_RESULT(no)
2462           system_utmp_path=no ]
2463 )
2464 if test -z "$conf_utmp_location"; then
2465         if test x"$system_utmp_path" = x"no" ; then
2466                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
2467                         if test -f $f ; then
2468                                 conf_utmp_location=$f
2469                         fi
2470                 done
2471                 if test -z "$conf_utmp_location"; then
2472                         AC_DEFINE(DISABLE_UTMP)
2473                 fi
2474         fi
2475 fi
2476 if test -n "$conf_utmp_location"; then
2477         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
2478 fi
2479
2480 dnl wtmp detection
2481 AC_MSG_CHECKING([if your system defines WTMP_FILE])
2482 AC_TRY_COMPILE([
2483 #include <sys/types.h>
2484 #include <utmp.h>
2485 #ifdef HAVE_PATHS_H
2486 #  include <paths.h>
2487 #endif
2488         ],
2489         [ char *wtmp = WTMP_FILE; ],
2490         [ AC_MSG_RESULT(yes) ],
2491         [ AC_MSG_RESULT(no)
2492           system_wtmp_path=no ]
2493 )
2494 if test -z "$conf_wtmp_location"; then
2495         if test x"$system_wtmp_path" = x"no" ; then
2496                 for f in /usr/adm/wtmp /var/log/wtmp; do
2497                         if test -f $f ; then
2498                                 conf_wtmp_location=$f
2499                         fi
2500                 done
2501                 if test -z "$conf_wtmp_location"; then
2502                         AC_DEFINE(DISABLE_WTMP)
2503                 fi
2504         fi
2505 fi
2506 if test -n "$conf_wtmp_location"; then
2507         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
2508 fi
2509
2510
2511 dnl utmpx detection - I don't know any system so perverse as to require
2512 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
2513 dnl  there, though.
2514 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
2515 AC_TRY_COMPILE([
2516 #include <sys/types.h>
2517 #include <utmp.h>
2518 #ifdef HAVE_UTMPX_H
2519 #include <utmpx.h>
2520 #endif
2521 #ifdef HAVE_PATHS_H
2522 #  include <paths.h>
2523 #endif
2524         ],
2525         [ char *utmpx = UTMPX_FILE; ],
2526         [ AC_MSG_RESULT(yes) ],
2527         [ AC_MSG_RESULT(no)
2528           system_utmpx_path=no ]
2529 )
2530 if test -z "$conf_utmpx_location"; then
2531         if test x"$system_utmpx_path" = x"no" ; then
2532                 AC_DEFINE(DISABLE_UTMPX)
2533         fi
2534 else
2535         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
2536 fi
2537
2538 dnl wtmpx detection
2539 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
2540 AC_TRY_COMPILE([
2541 #include <sys/types.h>
2542 #include <utmp.h>
2543 #ifdef HAVE_UTMPX_H
2544 #include <utmpx.h>
2545 #endif
2546 #ifdef HAVE_PATHS_H
2547 #  include <paths.h>
2548 #endif
2549         ],
2550         [ char *wtmpx = WTMPX_FILE; ],
2551         [ AC_MSG_RESULT(yes) ],
2552         [ AC_MSG_RESULT(no)
2553           system_wtmpx_path=no ]
2554 )
2555 if test -z "$conf_wtmpx_location"; then
2556         if test x"$system_wtmpx_path" = x"no" ; then
2557                 AC_DEFINE(DISABLE_WTMPX)
2558         fi
2559 else
2560         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
2561 fi
2562
2563
2564 if test ! -z "$blibpath" ; then
2565         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
2566         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
2567 fi
2568
2569 dnl remove pam and dl because they are in $LIBPAM
2570 if test "$PAM_MSG" = yes ; then
2571         LIBS=`echo $LIBS | sed 's/-lpam //'`
2572 fi
2573 if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
2574         LIBS=`echo $LIBS | sed 's/-ldl //'`
2575 fi
2576
2577 AC_EXEEXT
2578 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
2579 AC_OUTPUT
2580
2581 # Print summary of options
2582
2583 # Someone please show me a better way :)
2584 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
2585 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
2586 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
2587 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
2588 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
2589 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
2590 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
2591 H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
2592 I=`eval echo ${user_path}` ; I=`eval echo ${I}`
2593 J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
2594
2595 echo ""
2596 echo "OpenSSH has been configured with the following options:"
2597 echo "                     User binaries: $B"
2598 echo "                   System binaries: $C"
2599 echo "               Configuration files: $D"
2600 echo "                   Askpass program: $E"
2601 echo "                      Manual pages: $F"
2602 echo "                          PID file: $G"
2603 echo "  Privilege separation chroot path: $H"
2604 if test "$USES_LOGIN_CONF" = "yes" ; then
2605 echo "   At runtime, sshd will use the path defined in /etc/login.conf"
2606 else
2607 echo "            sshd default user PATH: $I"
2608 fi
2609 if test ! -z "$superuser_path" ; then
2610 echo "          sshd superuser user PATH: $J"
2611 fi
2612 echo "                    Manpage format: $MANTYPE"
2613 echo "                       PAM support: ${PAM_MSG}"
2614 echo "                KerberosIV support: $KRB4_MSG"
2615 echo "                 KerberosV support: $KRB5_MSG"
2616 echo "                 Smartcard support: $SCARD_MSG"
2617 echo "                       AFS support: $AFS_MSG"
2618 echo "                     S/KEY support: $SKEY_MSG"
2619 echo "              TCP Wrappers support: $TCPW_MSG"
2620 echo "              MD5 password support: $MD5_MSG"
2621 echo "       IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
2622 echo "          Use IPv4 by default hack: $IPV4_HACK_MSG"
2623 echo "           Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
2624 echo "                  BSD Auth support: $BSD_AUTH_MSG"
2625 echo "              Random number source: $RAND_MSG"
2626 if test ! -z "$USE_RAND_HELPER" ; then
2627 echo "     ssh-rand-helper collects from: $RAND_HELPER_MSG"
2628 fi
2629
2630 echo ""
2631
2632 echo "              Host: ${host}"
2633 echo "          Compiler: ${CC}"
2634 echo "    Compiler flags: ${CFLAGS}"
2635 echo "Preprocessor flags: ${CPPFLAGS}"
2636 echo "      Linker flags: ${LDFLAGS}"
2637 echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
2638
2639 echo ""
2640
2641 if test "x$PAM_MSG" = "xyes" ; then
2642         echo "PAM is enabled. You may need to install a PAM control file "
2643         echo "for sshd, otherwise password authentication may fail. "
2644         echo "Example PAM control files can be found in the contrib/ "
2645         echo "subdirectory"
2646         echo ""
2647 fi
2648
2649 if test ! -z "$NO_SFTP"; then
2650         echo "sftp-server will be disabled.  Your compiler does not "
2651         echo "support 64bit integers."
2652         echo ""
2653 fi
2654
2655 if test ! -z "$RAND_HELPER_CMDHASH" ; then
2656         echo "WARNING: you are using the builtin random number collection "
2657         echo "service. Please read WARNING.RNG and request that your OS "
2658         echo "vendor includes kernel-based random number collection in "
2659         echo "future versions of your OS."
2660         echo ""
2661 fi
2662