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="$saved_LDFLAGS"
  73         fi
  74         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  75         AC_DEFINE(BROKEN_GETADDRINFO)
  76         AC_DEFINE(BROKEN_REALPATH)
  77         dnl AIX handles lastlog as part of its login message
  78         AC_DEFINE(DISABLE_LASTLOG)
  79         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
  80         ;;
  81 *-*-cygwin*)
  82         LIBS="$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         ;;
  90 *-*-dgux*)
  91         AC_DEFINE(IP_TOS_IS_BROKEN)
  92         ;;
  93 *-*-darwin*)
  94         AC_DEFINE(BROKEN_GETADDRINFO)
  95         ;;
  96 *-*-hpux10.26)
  97         if test -z "$GCC"; then
  98                 CFLAGS="$CFLAGS -Ae"
  99         fi
 100         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 101         IPADDR_IN_DISPLAY=yes
 102         AC_DEFINE(HAVE_SECUREWARE)
 103         AC_DEFINE(USE_PIPES)
 104         AC_DEFINE(LOGIN_NO_ENDOPT)
 105         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 106         AC_DEFINE(DISABLE_SHADOW)
 107         AC_DEFINE(DISABLE_UTMP)
 108         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 109         LIBS="$LIBS -lxnet -lsec -lsecpw"
 110         disable_ptmx_check=yes
 111         ;;
 112 *-*-hpux10*)
 113         if test -z "$GCC"; then
 114                 CFLAGS="$CFLAGS -Ae"
 115         fi
 116         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 117         IPADDR_IN_DISPLAY=yes
 118         AC_DEFINE(USE_PIPES)
 119         AC_DEFINE(LOGIN_NO_ENDOPT)
 120         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 121         AC_DEFINE(DISABLE_SHADOW)
 122         AC_DEFINE(DISABLE_UTMP)
 123         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 124         LIBS="$LIBS -lxnet -lsec"
 125         ;;
 126 *-*-hpux11*)
 127         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 128         IPADDR_IN_DISPLAY=yes
 129         AC_DEFINE(PAM_SUN_CODEBASE)
 130         AC_DEFINE(USE_PIPES)
 131         AC_DEFINE(LOGIN_NO_ENDOPT)
 132         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 133         AC_DEFINE(DISABLE_SHADOW)
 134         AC_DEFINE(DISABLE_UTMP)
 135         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 136         LIBS="$LIBS -lxnet -lsec"
 137         ;;
 138 *-*-irix5*)
 139         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 140         LDFLAGS="$LDFLAGS"
 141         PATH="$PATH:/usr/etc"
 142         AC_DEFINE(BROKEN_INET_NTOA)
 143         AC_DEFINE(WITH_ABBREV_NO_TTY)
 144         ;;
 145 *-*-irix6*)
 146         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 147         LDFLAGS="$LDFLAGS"
 148         PATH="$PATH:/usr/etc"
 149         AC_DEFINE(WITH_IRIX_ARRAY)
 150         AC_DEFINE(WITH_IRIX_PROJECT)
 151         AC_DEFINE(WITH_IRIX_AUDIT)
 152         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 153         AC_DEFINE(BROKEN_INET_NTOA)
 154         AC_DEFINE(WITH_ABBREV_NO_TTY)
 155         ;;
 156 *-*-linux*)
 157         no_dev_ptmx=1
 158         check_for_libcrypt_later=1
 159         AC_DEFINE(DONT_TRY_OTHER_AF)
 160         AC_DEFINE(PAM_TTY_KLUDGE)
 161         AC_DEFINE(HAVE_BOGUS_SYS_QUEUE_H)
 162         inet6_default_4in6=yes
 163         ;;
 164 mips-sony-bsd|mips-sony-newsos4)
 165         AC_DEFINE(HAVE_NEWS4)
 166         SONY=1
 167         ;;
 168 *-*-netbsd*)
 169         need_dash_r=1
 170         ;;
 171 *-*-freebsd*)
 172         check_for_libcrypt_later=1
 173         ;;
 174 *-next-*)
 175         conf_lastlog_location="/usr/adm/lastlog"
 176         conf_utmp_location=/etc/utmp
 177         conf_wtmp_location=/usr/adm/wtmp
 178         MAIL=/usr/spool/mail
 179         AC_DEFINE(HAVE_NEXT)
 180         AC_DEFINE(BROKEN_REALPATH)
 181         AC_DEFINE(USE_PIPES)
 182         AC_DEFINE(BROKEN_SAVED_UIDS)
 183         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 184         CFLAGS="$CFLAGS"
 185         ;;
 186 *-*-solaris*)
 187         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 188         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 189         need_dash_r=1
 190         AC_DEFINE(PAM_SUN_CODEBASE)
 191         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 192         AC_DEFINE(LOGIN_NEEDS_TERM)
 193         AC_DEFINE(PAM_TTY_KLUDGE)
 194         # hardwire lastlog location (can't detect it on some versions)
 195         conf_lastlog_location="/var/adm/lastlog"
 196         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 197         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 198         if test "$sol2ver" -ge 8; then
 199                 AC_MSG_RESULT(yes)
 200                 AC_DEFINE(DISABLE_UTMP)
 201                 AC_DEFINE(DISABLE_WTMP)
 202         else
 203                 AC_MSG_RESULT(no)
 204         fi
 205         ;;
 206 *-*-sunos4*)
 207         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 208         AC_CHECK_FUNCS(getpwanam)
 209         AC_DEFINE(PAM_SUN_CODEBASE)
 210         conf_utmp_location=/etc/utmp
 211         conf_wtmp_location=/var/adm/wtmp
 212         conf_lastlog_location=/var/adm/lastlog
 213         AC_DEFINE(USE_PIPES)
 214         ;;
 215 *-ncr-sysv*)
 216         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 217         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 218         LIBS="$LIBS -lc89"
 219         AC_DEFINE(USE_PIPES)
 220         ;;
 221 *-sni-sysv*)
 222         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 223         # /usr/ucblib MUST NOT be searched on ReliantUNIX
 224         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 225         IPADDR_IN_DISPLAY=yes
 226         AC_DEFINE(USE_PIPES)
 227         AC_DEFINE(IP_TOS_IS_BROKEN)
 228         # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
 229         # Attention: always take care to bind libsocket and libnsl before libc,
 230         # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
 231         ;;
 232 *-*-sysv4.2*)
 233         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 234         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 235 #       enable_suid_ssh=no
 236         AC_DEFINE(USE_PIPES)
 237         ;;
 238 *-*-sysv5*)
 239         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 240         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 241 #       enable_suid_ssh=no
 242         AC_DEFINE(USE_PIPES)
 243         ;;
 244 *-*-sysv*)
 245         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 246         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 247         ;;
 248 *-*-sco3.2v4*)
 249         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 250         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 251         LIBS="$LIBS -los -lprot -lx -ltinfo -lm"
 252         rsh_path="/usr/bin/rcmd"
 253         RANLIB=true
 254         no_dev_ptmx=1
 255         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 256         AC_DEFINE(USE_PIPES)
 257         AC_DEFINE(HAVE_SECUREWARE)
 258         AC_DEFINE(DISABLE_SHADOW)
 259         AC_DEFINE(BROKEN_SAVED_UIDS)
 260         AC_CHECK_FUNCS(getluid setluid)
 261         MANTYPE=man
 262         do_sco3_extra_lib_check=yes
 263         ;;
 264 *-*-sco3.2v5*)
 265         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 266         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 267         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 268         no_dev_ptmx=1
 269         rsh_path="/usr/bin/rcmd"
 270         AC_DEFINE(USE_PIPES)
 271         AC_DEFINE(HAVE_SECUREWARE)
 272         AC_DEFINE(DISABLE_SHADOW)
 273         AC_CHECK_FUNCS(getluid setluid)
 274         MANTYPE=man
 275         ;;
 276 *-*-unicos*)
 277         no_libsocket=1
 278         no_libnsl=1
 279         AC_DEFINE(USE_PIPES)
 280         LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal,-L/usr/local/lib"
 281         LIBS="$LIBS -lgen -lrsc"
 282         ;;
 283 *-dec-osf*)
 284         AC_MSG_CHECKING(for Digital Unix SIA)
 285         no_osfsia=""
 286         AC_ARG_WITH(osfsia,
 287                 [  --with-osfsia           Enable Digital Unix SIA],
 288                 [
 289                         if test "x$withval" = "xno" ; then
 290                                 AC_MSG_RESULT(disabled)
 291                                 no_osfsia=1
 292                         fi
 293                 ],
 294         )
 295         if test -z "$no_osfsia" ; then
 296                 if test -f /etc/sia/matrix.conf; then
 297                         AC_MSG_RESULT(yes)
 298                         AC_DEFINE(HAVE_OSF_SIA)
 299                         AC_DEFINE(DISABLE_LOGIN)
 300                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 301                 else
 302                         AC_MSG_RESULT(no)
 303                 fi
 304         fi
 305         ;;
 306
 307 *-*-nto-qnx)
 308         AC_DEFINE(USE_PIPES)
 309         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 310         AC_DEFINE(MISSING_NFDBITS)
 311         AC_DEFINE(MISSING_HOWMANY)
 312         AC_DEFINE(MISSING_FD_MASK)
 313         ;;
 314 esac
 315
 316 # Allow user to specify flags
 317 AC_ARG_WITH(cflags,
 318         [  --with-cflags           Specify additional flags to pass to compiler],
 319         [
 320                 if test "x$withval" != "xno" ; then
 321                         CFLAGS="$CFLAGS $withval"
 322                 fi
 323         ]
 324 )
 325 AC_ARG_WITH(cppflags,
 326         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 327         [
 328                 if test "x$withval" != "xno"; then
 329                         CPPFLAGS="$CPPFLAGS $withval"
 330                 fi
 331         ]
 332 )
 333 AC_ARG_WITH(ldflags,
 334         [  --with-ldflags          Specify additional flags to pass to linker],
 335         [
 336                 if test "x$withval" != "xno" ; then
 337                         LDFLAGS="$LDFLAGS $withval"
 338                 fi
 339         ]
 340 )
 341 AC_ARG_WITH(libs,
 342         [  --with-libs             Specify additional libraries to link with],
 343         [
 344                 if test "x$withval" != "xno" ; then
 345                         LIBS="$LIBS $withval"
 346                 fi
 347         ]
 348 )
 349
 350 # Checks for header files.
 351 AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \
 352         getopt.h glob.h lastlog.h limits.h login.h \
 353         login_cap.h maillock.h netdb.h netgroup.h \
 354         netinet/in_systm.h paths.h pty.h readpassphrase.h \
 355         rpc/types.h security/pam_appl.h shadow.h stddef.h stdint.h \
 356         strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
 357         sys/mman.h sys/select.h sys/stat.h \
 358         sys/stropts.h sys/sysmacros.h sys/time.h \
 359         sys/un.h time.h ttyent.h usersec.h \
 360         util.h utime.h utmp.h utmpx.h)
 361
 362 # Checks for libraries.
 363 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
 364 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
 365
 366 dnl SCO OS3 needs this for libwrap
 367 if test "x$with_tcp_wrappers" != "xno" ; then
 368     if test "x$do_sco3_extra_lib_check" = "xyes" ; then
 369         AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 370     fi
 371 fi
 372
 373 AC_CHECK_FUNC(getspnam, ,
 374         AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
 375
 376 AC_ARG_WITH(rpath,
 377         [  --without-rpath         Disable auto-added -R linker paths],
 378         [
 379                 if test "x$withval" = "xno" ; then
 380                         need_dash_r=""
 381                 fi
 382                 if test "x$withval" = "xyes" ; then
 383                         need_dash_r=1
 384                 fi
 385         ]
 386 )
 387
 388 dnl zlib is required
 389 AC_ARG_WITH(zlib,
 390         [  --with-zlib=PATH        Use zlib in PATH],
 391         [
 392                 if test "x$withval" = "xno" ; then
 393                         AC_MSG_ERROR([*** zlib is required ***])
 394                 fi
 395                 if test -d "$withval/lib"; then
 396                         if test -n "${need_dash_r}"; then
 397                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 398                         else
 399                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 400                         fi
 401                 else
 402                         if test -n "${need_dash_r}"; then
 403                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 404                         else
 405                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 406                         fi
 407                 fi
 408                 if test -d "$withval/include"; then
 409                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 410                 else
 411                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 412                 fi
 413         ]
 414 )
 415
 416 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 417
 418 dnl UnixWare 2.x
 419 AC_CHECK_FUNC(strcasecmp,
 420         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 421 )
 422 AC_CHECK_FUNC(utimes,
 423         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 424 )
 425
 426 dnl    Checks for libutil functions
 427 AC_CHECK_HEADERS(libutil.h)
 428 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN)])
 429 AC_CHECK_FUNCS(logout updwtmp logwtmp)
 430
 431 AC_FUNC_STRFTIME
 432
 433 # Check for ALTDIRFUNC glob() extension
 434 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 435 AC_EGREP_CPP(FOUNDIT,
 436         [
 437                 #include <glob.h>
 438                 #ifdef GLOB_ALTDIRFUNC
 439                 FOUNDIT
 440                 #endif
 441         ],
 442         [
 443                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 444                 AC_MSG_RESULT(yes)
 445         ],
 446         [
 447                 AC_MSG_RESULT(no)
 448         ]
 449 )
 450
 451 # Check for g.gl_matchc glob() extension
 452 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 453 AC_EGREP_CPP(FOUNDIT,
 454         [
 455                 #include <glob.h>
 456                 int main(void){glob_t g; g.gl_matchc = 1;}
 457         ],
 458         [
 459                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 460                 AC_MSG_RESULT(yes)
 461         ],
 462         [
 463                 AC_MSG_RESULT(no)
 464         ]
 465 )
 466
 467 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 468 AC_TRY_RUN(
 469         [
 470 #include <sys/types.h>
 471 #include <dirent.h>
 472 int main(void){struct dirent d;return(sizeof(d.d_name)<=sizeof(char));}
 473         ],
 474         [AC_MSG_RESULT(yes)],
 475         [
 476                 AC_MSG_RESULT(no)
 477                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 478         ]
 479 )
 480
 481 # Check whether the user wants GSI (Globus) support
 482 gsi_path="no"
 483 AC_ARG_WITH(gsi,
 484         [  --with-gsi=PATH         Enable GSI/Globus authentication support],
 485         [
 486                 gsi_path="$withval"
 487         ]
 488 )
 489
 490 AC_ARG_WITH(globus,
 491         [  --with-globus=PATH      Enable GSI/Globus authentication support],
 492         [
 493                 gsi_path="$withval"
 494         ]
 495 )
 496
 497 # Check whether the user has a Globus flavor type
 498 globus_flavor_type="no"
 499 AC_ARG_WITH(globus-flavor,
 500         [  --with-globus-flavor=TYPE         Describe Globus flavor type (ex: gcc32dbg, etc.)],
 501         [
 502                 globus_flavor_type="$withval"
 503         ]
 504 )
 505
 506 if test "x$gsi_path" != "xno" ; then
 507         # Globus GSSAPI configuration
 508         AC_DEFINE(GSSAPI)
 509         AC_DEFINE(GSI)
 510
 511         # Find GLOBUS/GSI installation Directory
 512         AC_MSG_CHECKING(for Globus/GSI installation directory)
 513
 514         globus_install_dir=$gsi_path
 515
 516         if test "x$globus_install_dir" = "xyes" ; then
 517                 if test -n "$GLOBUS_INSTALL_PATH" ; then
 518                         globus_install_dir=$GLOBUS_INSTALL_PATH
 519                 elif test -n "$GSI_INSTALL_PATH" ; then
 520                         globus_install_dir=$GSI_INSTALL_PATH
 521                 elif test -d /usr/local/globus ; then
 522                         globus_install_dir="/usr/local/globus"
 523                 elif test -d /usr/local/gsi ; then
 524                         globus_install_dir="/usr/local/gsi"
 525                 else
 526                         AC_MSG_ERROR(Cannot find Globus/GSI installation directory)
 527                 fi
 528         fi
 529         AC_MSG_RESULT($globus_install_dir)
 530
 531         # Find GLOBUS/GSI development directory
 532         AC_MSG_CHECKING(for Globus/GSI development directory)
 533
 534         if test -d ${globus_install_dir}/lib ; then
 535                 # Looks like a flat directory structure from configure/make
 536                 # and not globus-install or gsi-install
 537                 globus_dev_dir=$globus_install_dir
 538
 539         else
 540                 # Assume a true globus installation with architecture
 541                 # directories and run globus-development-path to find
 542                 # the development directory
 543
 544                 # Set GLOBUS_INSTALL_PATH
 545                 GLOBUS_INSTALL_PATH=$globus_install_dir
 546                 export GLOBUS_INSTALL_PATH
 547
 548                 dev_path_program=${globus_install_dir}/bin/globus-development-path
 549
 550                 if test ! -x ${dev_path_program} ; then
 551                         AC_MSG_ERROR(Cannot find Globus/GSI installation directory: program ${dev_path_program} does not exist or is not executable)
 552                 fi
 553
 554                 globus_dev_dir=`${dev_path_program}`
 555
 556                 if test -z "$globus_dev_dir" -o "X$globus_dev_dir" = "X<not found>" ; then
 557                                 AC_MSG_ERROR(Cannot find Globus/GSI development directory)
 558                 fi
 559
 560                 if test ! -d "$globus_dev_dir" ; then
 561                         AC_MSG_ERROR(Cannot find Globus/GSI development directory: $globus_dev_dir does not exist)
 562                 fi
 563         fi
 564         AC_MSG_RESULT($globus_dev_dir)
 565
 566         # Find GLOBUS/GSI flavor Directory
 567         AC_MSG_CHECKING(for Globus flavor type)
 568
 569         if test "x$globus_flavor_type" = "xno" ; then
 570                 GSI_LIBS="-lglobus_gss_assist -lglobus_gss -lglobus_gaa"
 571                 GSI_LDFLAGS="-L${globus_dev_dir}/lib"
 572                 GSI_CFLAGS="-I${globus_dev_dir}/include"
 573                 AC_MSG_RESULT(none)
 574         else
 575                 GLOBUS_FLAVOR_TYPE_INCL_DIR="${globus_dev_dir}/include/${globus_flavor_type}"
 576
 577                 if test ! -d "$GLOBUS_FLAVOR_TYPE_INCL_DIR" ; then
 578                         AC_MSG_ERROR(Cannot find Globus flavor-specific include directory: ${GLOBUS_FLAVOR_TYPE_INCL_DIR})
 579                 fi
 580
 581                 AC_MSG_RESULT($globus_flavor_type)
 582                 GSI_LIBS="-lglobus_gss_assist_${globus_flavor_type} -lglobus_gssapi_gsi_${globus_flavor_type}"
 583                 GSI_LDFLAGS="-L${globus_dev_dir}/lib"
 584                 GSI_CFLAGS="-I${GLOBUS_FLAVOR_TYPE_INCL_DIR}"
 585         fi
 586
 587         LIBS="$LIBS $GSI_LIBS"
 588         LDFLAGS="$LDFLAGS $GSI_LDFLAGS"
 589         CFLAGS="$CFLAGS $GSI_CFLAGS"
 590 # End Globus/GSI section
 591 fi
 592
 593 # Check whether user wants S/Key support
 594 SKEY_MSG="no"
 595 AC_ARG_WITH(skey,
 596         [  --with-skey[[=PATH]]      Enable S/Key support
 597                             (optionally in PATH)],
 598         [
 599                 if test "x$withval" != "xno" ; then
 600
 601                         if test "x$withval" != "xyes" ; then
 602                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 603                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 604                         fi
 605
 606                         AC_DEFINE(SKEY)
 607                         LIBS="-lskey $LIBS"
 608                         SKEY_MSG="yes"
 609
 610                         AC_MSG_CHECKING([for s/key support])
 611                         AC_TRY_RUN(
 612                                 [
 613 #include <stdio.h>
 614 #include <skey.h>
 615 int main() { char *ff = skey_keyinfo(""); ff=""; return 0; }
 616                                 ],
 617                                 [AC_MSG_RESULT(yes)],
 618                                 [
 619                                         AC_MSG_RESULT(no)
 620                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 621                                 ])
 622                 fi
 623         ]
 624 )
 625
 626 # Check whether user wants TCP wrappers support
 627 TCPW_MSG="no"
 628 AC_ARG_WITH(tcp-wrappers,
 629         [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
 630                             (optionally in PATH)],
 631         [
 632                 if test "x$withval" != "xno" ; then
 633                         saved_LIBS="$LIBS"
 634                         saved_LDFLAGS="$LDFLAGS"
 635                         saved_CPPFLAGS="$CPPFLAGS"
 636                         if test -n "${withval}" -a "${withval}" != "yes"; then
 637                                 if test -d "${withval}/lib"; then
 638                                         if test -n "${need_dash_r}"; then
 639                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 640                                         else
 641                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 642                                         fi
 643                                 else
 644                                         if test -n "${need_dash_r}"; then
 645                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 646                                         else
 647                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 648                                         fi
 649                                 fi
 650                                 if test -d "${withval}/include"; then
 651                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 652                                 else
 653                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 654                                 fi
 655                         fi
 656                         LIBWRAP="-lwrap"
 657                         LIBS="$LIBWRAP $LIBS"
 658                         AC_MSG_CHECKING(for libwrap)
 659                         AC_TRY_LINK(
 660                                 [
 661 #include <tcpd.h>
 662                                         int deny_severity = 0, allow_severity = 0;
 663                                 ],
 664                                 [hosts_access(0);],
 665                                 [
 666                                         AC_MSG_RESULT(yes)
 667                                         AC_DEFINE(LIBWRAP)
 668                                         AC_SUBST(LIBWRAP)
 669                                         TCPW_MSG="yes"
 670                                 ],
 671                                 [
 672                                         AC_MSG_ERROR([*** libwrap missing])
 673                                 ]
 674                         )
 675                         LIBS="$saved_LIBS"
 676                 fi
 677         ]
 678 )
 679
 680 dnl    Checks for library functions.
 681 AC_CHECK_FUNCS(arc4random b64_ntop bcopy bindresvport_sa \
 682         clock fchmod fchown freeaddrinfo futimes gai_strerror \
 683         getaddrinfo getcwd getgrouplist getnameinfo getopt \
 684         getrlimit getrusage getttyent glob inet_aton inet_ntoa \
 685         inet_ntop innetgr login_getcapbool md5_crypt memmove \
 686         mkdtemp mmap ngetaddrinfo openpty ogetaddrinfo readpassphrase \
 687         realpath recvmsg rresvport_af sendmsg setdtablesize setegid \
 688         setenv seteuid setlogin setproctitle setresgid setreuid setrlimit \
 689         setsid setvbuf sigaction sigvec snprintf socketpair strerror \
 690         strlcat strlcpy strmode strsep sysconf tcgetpgrp truncate utimes \
 691         vhangup vsnprintf waitpid __b64_ntop _getpty)
 692
 693 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 694 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 695         AC_CHECK_LIB(gen, dirname,[
 696                 AC_CACHE_CHECK([for broken dirname],
 697                         ac_cv_have_broken_dirname, [
 698                         save_LIBS="$LIBS"
 699                         LIBS="$LIBS -lgen"
 700                         AC_TRY_RUN(
 701                                 [
 702 #include <libgen.h>
 703 #include <string.h>
 704
 705 int main(int argc, char **argv) {
 706     char *s, buf[32];
 707
 708     strncpy(buf,"/etc", 32);
 709     s = dirname(buf);
 710     if (!s || strncmp(s, "/", 32) != 0) {
 711         exit(1);
 712     } else {
 713         exit(0);
 714     }
 715 }
 716                                 ],
 717                                 [ ac_cv_have_broken_dirname="no" ],
 718                                 [ ac_cv_have_broken_dirname="yes" ]
 719                         )
 720                         LIBS="$save_LIBS"
 721                 ])
 722                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 723                         LIBS="$LIBS -lgen"
 724                         AC_DEFINE(HAVE_DIRNAME)
 725                         AC_CHECK_HEADERS(libgen.h)
 726                 fi
 727         ])
 728 ])
 729
 730 dnl    Checks for time functions
 731 AC_CHECK_FUNCS(gettimeofday time)
 732 dnl    Checks for utmp functions
 733 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 734 AC_CHECK_FUNCS(utmpname)
 735 dnl    Checks for utmpx functions
 736 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 737 AC_CHECK_FUNCS(setutxent utmpxname)
 738
 739 AC_CHECK_FUNC(getuserattr,
 740         [AC_DEFINE(HAVE_GETUSERATTR)],
 741         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 742 )
 743
 744 AC_CHECK_FUNC(daemon,
 745         [AC_DEFINE(HAVE_DAEMON)],
 746         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 747 )
 748
 749 AC_CHECK_FUNC(getpagesize,
 750         [AC_DEFINE(HAVE_GETPAGESIZE)],
 751         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 752 )
 753
 754 # Check for broken snprintf
 755 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 756         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 757         AC_TRY_RUN(
 758                 [
 759 #include <stdio.h>
 760 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 761                 ],
 762                 [AC_MSG_RESULT(yes)],
 763                 [
 764                         AC_MSG_RESULT(no)
 765                         AC_DEFINE(BROKEN_SNPRINTF)
 766                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 767                 ]
 768         )
 769 fi
 770
 771 AC_FUNC_GETPGRP
 772
 773 # Check for PAM libs
 774 PAM_MSG="no"
 775 AC_ARG_WITH(pam,
 776         [  --with-pam              Enable PAM support ],
 777         [
 778                 if test "x$withval" != "xno" ; then
 779                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 780                                 AC_MSG_ERROR([PAM headers not found])
 781                         fi
 782
 783                         AC_CHECK_LIB(dl, dlopen, , )
 784                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 785                         AC_CHECK_FUNCS(pam_getenvlist)
 786                         AC_CHECK_FUNCS(pam_putenv)
 787
 788                         disable_shadow=yes
 789                         PAM_MSG="yes"
 790
 791                         AC_DEFINE(USE_PAM)
 792                         if test $ac_cv_lib_dl_dlopen = yes; then
 793                                 LIBPAM="-lpam -ldl"
 794                         else
 795                                 LIBPAM="-lpam"
 796                         fi
 797                         AC_SUBST(LIBPAM)
 798                 fi
 799         ]
 800 )
 801
 802 # Check for older PAM
 803 if test "x$PAM_MSG" = "xyes" ; then
 804         # Check PAM strerror arguments (old PAM)
 805         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 806         AC_TRY_COMPILE(
 807                 [
 808 #include <stdlib.h>
 809 #include <security/pam_appl.h>
 810                 ],
 811                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 812                 [AC_MSG_RESULT(no)],
 813                 [
 814                         AC_DEFINE(HAVE_OLD_PAM)
 815                         AC_MSG_RESULT(yes)
 816                         PAM_MSG="yes (old library)"
 817                 ]
 818         )
 819 fi
 820
 821 # Search for OpenSSL
 822 saved_CPPFLAGS="$CPPFLAGS"
 823 saved_LDFLAGS="$LDFLAGS"
 824 AC_ARG_WITH(ssl-dir,
 825         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 826         [
 827                 if test "x$withval" != "xno" ; then
 828                         if test -d "$withval/lib"; then
 829                                 if test -n "${need_dash_r}"; then
 830                                         LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 831                                 else
 832                                         LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 833                                 fi
 834                         else
 835                                 if test -n "${need_dash_r}"; then
 836                                         LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 837                                 else
 838                                         LDFLAGS="-L${withval} ${LDFLAGS}"
 839                                 fi
 840                         fi
 841                         if test -d "$withval/include"; then
 842                                 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 843                         else
 844                                 CPPFLAGS="-I${withval} ${CPPFLAGS}"
 845                         fi
 846                 fi
 847         ]
 848 )
 849
 850 # Patch up SSL libraries for GSI authentication as needed
 851 if test "x$globus_flavor_type" != "xno" ; then
 852         # For Globus 2, always link with the static libraries
 853         LIBS="$LIBS ${gsi_path}/libglobus_ssl_utils_${globus_flavor_type}.a ${gsi_path}/libssl_${globus_flavor_type}.a ${gsi_path}/libcrypto_${globus_flavor_type}.a"
 854 else
 855         if test "x$gsi_path" != "xno" ; then
 856                 # Older GSI needs -lssl too
 857                 LIBS="$LIBS -lssl -lcrypto"
 858         else # if no GSI authentication (i.e., OpenSSL default)
 859                 LIBS="$LIBS -lcrypto"
 860         fi
 861 fi # globus_flavor_type
 862
 863 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 864         [
 865                 dnl Check default openssl install dir
 866                 if test -n "${need_dash_r}"; then
 867                         LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
 868                 else
 869                         LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
 870                 fi
 871                 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
 872                 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 873                         [
 874                                 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
 875                         ]
 876                 )
 877         ]
 878 )
 879
 880
 881 # Sanity check OpenSSL headers
 882 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
 883 AC_TRY_RUN(
 884         [
 885 #include <string.h>
 886 #include <openssl/opensslv.h>
 887 int main(void) { return(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
 888         ],
 889         [
 890                 AC_MSG_RESULT(yes)
 891         ],
 892         [
 893                 AC_MSG_RESULT(no)
 894                 AC_MSG_ERROR(Your OpenSSL headers do not match your library)
 895         ]
 896 )
 897
 898 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 899 # version in OpenSSL. Skip this for PAM
 900 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 901         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 902 fi
 903
 904
 905 ### Configure cryptographic random number support
 906
 907 # Check wheter OpenSSL seeds itself
 908 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
 909 AC_TRY_RUN(
 910         [
 911 #include <string.h>
 912 #include <openssl/rand.h>
 913 int main(void) { return(RAND_status() == 1 ? 0 : 1); }
 914         ],
 915         [
 916                 OPENSSL_SEEDS_ITSELF=yes
 917                 AC_MSG_RESULT(yes)
 918         ],
 919         [
 920                 AC_MSG_RESULT(no)
 921                 # Default to use of the rand helper if OpenSSL doesn't
 922                 # seed itself
 923                 USE_RAND_HELPER=yes
 924         ]
 925 )
 926
 927
 928 # Do we want to force the use of the rand helper?
 929 AC_ARG_WITH(rand-helper,
 930         [  --with-rand-helper      Use subprocess to gather strong randomness ],
 931         [
 932                 if test "x$withval" = "xno" ; then
 933                         # Force use of OpenSSL's internal RNG, even if
 934                         # the previous test showed it to be unseeded.
 935                         if test -z "$OPENSSL_SEEDS_ITSELF" ; then
 936                                 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
 937                                 OPENSSL_SEEDS_ITSELF=yes
 938                                 USE_RAND_HELPER=""
 939                         fi
 940                 else
 941                         USE_RAND_HELPER=yes
 942                 fi
 943         ],
 944 )
 945
 946 # Which randomness source do we use?
 947 if test ! -z "$OPENSSL_SEEDS_ITSELF" -a -z "$USE_RAND_HELPER" ; then
 948         # OpenSSL only
 949         AC_DEFINE(OPENSSL_PRNG_ONLY)
 950         RAND_MSG="OpenSSL internal ONLY"
 951         INSTALL_SSH_RAND_HELPER=""
 952 elif test ! -z "$USE_RAND_HELPER" ; then
 953         # install rand helper
 954         RAND_MSG="ssh-rand-helper"
 955         INSTALL_SSH_RAND_HELPER="yes"
 956 fi
 957 AC_SUBST(INSTALL_SSH_RAND_HELPER)
 958
 959 ### Configuration of ssh-rand-helper
 960
 961 # PRNGD TCP socket
 962 AC_ARG_WITH(prngd-port,
 963         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD TCP localhost:PORT],
 964         [
 965                 case "$withval" in
 966                 no)
 967                         withval=""
 968                         ;;
 969                 [[0-9]]*)
 970                         ;;
 971                 *)
 972                         AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
 973                         ;;
 974                 esac
 975                 if test ! -z "$withval" ; then
 976                         PRNGD_PORT="$withval"
 977                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
 978                 fi
 979         ]
 980 )
 981
 982 # PRNGD Unix domain socket
 983 AC_ARG_WITH(prngd-socket,
 984         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
 985         [
 986                 case "$withval" in
 987                 yes)
 988                         withval="/var/run/egd-pool"
 989                         ;;
 990                 no)
 991                         withval=""
 992                         ;;
 993                 /*)
 994                         ;;
 995                 *)
 996                         AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
 997                         ;;
 998                 esac
 999
1000                 if test ! -z "$withval" ; then
1001                         if test ! -z "$PRNGD_PORT" ; then
1002                                 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
1003                         fi
1004                         if test ! -r "$withval" ; then
1005                                 AC_MSG_WARN(Entropy socket is not readable)
1006                         fi
1007                         PRNGD_SOCKET="$withval"
1008                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1009                 fi
1010         ],
1011         [
1012                 # Check for existing socket only if we don't have a random device already
1013                 if test "$USE_RAND_HELPER" = yes ; then
1014                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1015                         # Insert other locations here
1016                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1017                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1018                                         PRNGD_SOCKET="$sock"
1019                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1020                                         break;
1021                                 fi
1022                         done
1023                         if test ! -z "$PRNGD_SOCKET" ; then
1024                                 AC_MSG_RESULT($PRNGD_SOCKET)
1025                         else
1026                                 AC_MSG_RESULT(not found)
1027                         fi
1028                 fi
1029         ]
1030 )
1031
1032 # Change default command timeout for hashing entropy source
1033 entropy_timeout=200
1034 AC_ARG_WITH(entropy-timeout,
1035         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1036         [
1037                 if test "x$withval" != "xno" ; then
1038                         entropy_timeout=$withval
1039                 fi
1040         ]
1041 )
1042 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1043
1044 ssh_privsep_user=sshd
1045 AC_ARG_WITH(privsep-user,
1046         [  --with-privsep-user=user Specify non-privileged user for privilege separation],
1047         [
1048                 if test -n "$withval"; then
1049                         ssh_privsep_user=$withval
1050                 fi
1051         ]
1052 )
1053 AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$ssh_privsep_user")
1054
1055 # We do this little dance with the search path to insure
1056 # that programs that we select for use by installed programs
1057 # (which may be run by the super-user) come from trusted
1058 # locations before they come from the user's private area.
1059 # This should help avoid accidentally configuring some
1060 # random version of a program in someone's personal bin.
1061
1062 OPATH=$PATH
1063 PATH=/bin:/usr/bin
1064 test -h /bin 2> /dev/null && PATH=/usr/bin
1065 test -d /sbin && PATH=$PATH:/sbin
1066 test -d /usr/sbin && PATH=$PATH:/usr/sbin
1067 PATH=$PATH:/etc:$OPATH
1068
1069 # These programs are used by the command hashing source to gather entropy
1070 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1071 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1072 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1073 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1074 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
1075 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1076 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
1077 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1078 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1079 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1080 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1081 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1082 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1083 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1084 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1085 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1086 # restore PATH
1087 PATH=$OPATH
1088
1089 # Where does ssh-rand-helper get its randomness from?
1090 INSTALL_SSH_PRNG_CMDS=""
1091 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
1092         if test ! -z "$PRNGD_PORT" ; then
1093                 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
1094         elif test ! -z "$PRNGD_SOCKET" ; then
1095                 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
1096         else
1097                 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
1098                 RAND_HELPER_CMDHASH=yes
1099                 INSTALL_SSH_PRNG_CMDS="yes"
1100         fi
1101 fi
1102 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1103
1104
1105 # Cheap hack to ensure NEWS-OS libraries are arranged right.
1106 if test ! -z "$SONY" ; then
1107   LIBS="$LIBS -liberty";
1108 fi
1109
1110 # Checks for data types
1111 AC_CHECK_SIZEOF(char, 1)
1112 AC_CHECK_SIZEOF(short int, 2)
1113 AC_CHECK_SIZEOF(int, 4)
1114 AC_CHECK_SIZEOF(long int, 4)
1115 AC_CHECK_SIZEOF(long long int, 8)
1116
1117 # Sanity check long long for some platforms (AIX)
1118 if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
1119         ac_cv_sizeof_long_long_int=0
1120 fi
1121
1122 # More checks for data types
1123 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
1124         AC_TRY_COMPILE(
1125                 [ #include <sys/types.h> ],
1126                 [ u_int a; a = 1;],
1127                 [ ac_cv_have_u_int="yes" ],
1128                 [ ac_cv_have_u_int="no" ]
1129         )
1130 ])
1131 if test "x$ac_cv_have_u_int" = "xyes" ; then
1132         AC_DEFINE(HAVE_U_INT)
1133         have_u_int=1
1134 fi
1135
1136 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
1137         AC_TRY_COMPILE(
1138                 [ #include <sys/types.h> ],
1139                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1140                 [ ac_cv_have_intxx_t="yes" ],
1141                 [ ac_cv_have_intxx_t="no" ]
1142         )
1143 ])
1144 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
1145         AC_DEFINE(HAVE_INTXX_T)
1146         have_intxx_t=1
1147 fi
1148
1149 if (test -z "$have_intxx_t" && \
1150            test "x$ac_cv_header_stdint_h" = "xyes")
1151 then
1152     AC_MSG_CHECKING([for intXX_t types in stdint.h])
1153         AC_TRY_COMPILE(
1154                 [ #include <stdint.h> ],
1155                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1156                 [
1157                         AC_DEFINE(HAVE_INTXX_T)
1158                         AC_MSG_RESULT(yes)
1159                 ],
1160                 [ AC_MSG_RESULT(no) ]
1161         )
1162 fi
1163
1164 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
1165         AC_TRY_COMPILE(
1166                 [ #include <sys/types.h> ],
1167                 [ int64_t a; a = 1;],
1168                 [ ac_cv_have_int64_t="yes" ],
1169                 [ ac_cv_have_int64_t="no" ]
1170         )
1171 ])
1172 if test "x$ac_cv_have_int64_t" = "xyes" ; then
1173         AC_DEFINE(HAVE_INT64_T)
1174         have_int64_t=1
1175 fi
1176
1177 if test -z "$have_int64_t" ; then
1178     AC_MSG_CHECKING([for int64_t type in sys/socket.h])
1179         AC_TRY_COMPILE(
1180                 [ #include <sys/socket.h> ],
1181                 [ int64_t a; a = 1],
1182                 [
1183                         AC_DEFINE(HAVE_INT64_T)
1184                         AC_MSG_RESULT(yes)
1185                 ],
1186                 [ AC_MSG_RESULT(no) ]
1187         )
1188 fi
1189
1190 if test -z "$have_int64_t" ; then
1191     AC_MSG_CHECKING([for int64_t type in sys/bitypes.h])
1192         AC_TRY_COMPILE(
1193                 [ #include <sys/bitypes.h> ],
1194                 [ int64_t a; a = 1],
1195                 [
1196                         AC_DEFINE(HAVE_INT64_T)
1197                         AC_MSG_RESULT(yes)
1198                 ],
1199                 [ AC_MSG_RESULT(no) ]
1200         )
1201 fi
1202
1203 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
1204         AC_TRY_COMPILE(
1205                 [ #include <sys/types.h> ],
1206                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1207                 [ ac_cv_have_u_intxx_t="yes" ],
1208                 [ ac_cv_have_u_intxx_t="no" ]
1209         )
1210 ])
1211 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
1212         AC_DEFINE(HAVE_U_INTXX_T)
1213         have_u_intxx_t=1
1214 fi
1215
1216 if test -z "$have_u_intxx_t" ; then
1217     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
1218         AC_TRY_COMPILE(
1219                 [ #include <sys/socket.h> ],
1220                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1221                 [
1222                         AC_DEFINE(HAVE_U_INTXX_T)
1223                         AC_MSG_RESULT(yes)
1224                 ],
1225                 [ AC_MSG_RESULT(no) ]
1226         )
1227 fi
1228
1229 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
1230         AC_TRY_COMPILE(
1231                 [ #include <sys/types.h> ],
1232                 [ u_int64_t a; a = 1;],
1233                 [ ac_cv_have_u_int64_t="yes" ],
1234                 [ ac_cv_have_u_int64_t="no" ]
1235         )
1236 ])
1237 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
1238         AC_DEFINE(HAVE_U_INT64_T)
1239         have_u_int64_t=1
1240 fi
1241
1242 if test -z "$have_u_int64_t" ; then
1243     AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
1244         AC_TRY_COMPILE(
1245                 [ #include <sys/bitypes.h> ],
1246                 [ u_int64_t a; a = 1],
1247                 [
1248                         AC_DEFINE(HAVE_U_INT64_T)
1249                         AC_MSG_RESULT(yes)
1250                 ],
1251                 [ AC_MSG_RESULT(no) ]
1252         )
1253 fi
1254
1255 if test -z "$have_u_intxx_t" ; then
1256         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
1257                 AC_TRY_COMPILE(
1258                         [
1259 #include <sys/types.h>
1260                         ],
1261                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
1262                         [ ac_cv_have_uintxx_t="yes" ],
1263                         [ ac_cv_have_uintxx_t="no" ]
1264                 )
1265         ])
1266         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
1267                 AC_DEFINE(HAVE_UINTXX_T)
1268         fi
1269 fi
1270
1271 if test -z "$have_uintxx_t" ; then
1272     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
1273         AC_TRY_COMPILE(
1274                 [ #include <stdint.h> ],
1275                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
1276                 [
1277                         AC_DEFINE(HAVE_UINTXX_T)
1278                         AC_MSG_RESULT(yes)
1279                 ],
1280                 [ AC_MSG_RESULT(no) ]
1281         )
1282 fi
1283
1284 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
1285            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
1286 then
1287         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
1288         AC_TRY_COMPILE(
1289                 [
1290 #include <sys/bitypes.h>
1291                 ],
1292                 [
1293                         int8_t a; int16_t b; int32_t c;
1294                         u_int8_t e; u_int16_t f; u_int32_t g;
1295                         a = b = c = e = f = g = 1;
1296                 ],
1297                 [
1298                         AC_DEFINE(HAVE_U_INTXX_T)
1299                         AC_DEFINE(HAVE_INTXX_T)
1300                         AC_MSG_RESULT(yes)
1301                 ],
1302                 [AC_MSG_RESULT(no)]
1303         )
1304 fi
1305
1306
1307 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
1308         AC_TRY_COMPILE(
1309                 [
1310 #include <sys/types.h>
1311                 ],
1312                 [ u_char foo; foo = 125; ],
1313                 [ ac_cv_have_u_char="yes" ],
1314                 [ ac_cv_have_u_char="no" ]
1315         )
1316 ])
1317 if test "x$ac_cv_have_u_char" = "xyes" ; then
1318         AC_DEFINE(HAVE_U_CHAR)
1319 fi
1320
1321 TYPE_SOCKLEN_T
1322
1323 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
1324
1325 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
1326         AC_TRY_COMPILE(
1327                 [
1328 #include <sys/types.h>
1329                 ],
1330                 [ size_t foo; foo = 1235; ],
1331                 [ ac_cv_have_size_t="yes" ],
1332                 [ ac_cv_have_size_t="no" ]
1333         )
1334 ])
1335 if test "x$ac_cv_have_size_t" = "xyes" ; then
1336         AC_DEFINE(HAVE_SIZE_T)
1337 fi
1338
1339 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
1340         AC_TRY_COMPILE(
1341                 [
1342 #include <sys/types.h>
1343                 ],
1344                 [ ssize_t foo; foo = 1235; ],
1345                 [ ac_cv_have_ssize_t="yes" ],
1346                 [ ac_cv_have_ssize_t="no" ]
1347         )
1348 ])
1349 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
1350         AC_DEFINE(HAVE_SSIZE_T)
1351 fi
1352
1353 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
1354         AC_TRY_COMPILE(
1355                 [
1356 #include <time.h>
1357                 ],
1358                 [ clock_t foo; foo = 1235; ],
1359                 [ ac_cv_have_clock_t="yes" ],
1360                 [ ac_cv_have_clock_t="no" ]
1361         )
1362 ])
1363 if test "x$ac_cv_have_clock_t" = "xyes" ; then
1364         AC_DEFINE(HAVE_CLOCK_T)
1365 fi
1366
1367 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
1368         AC_TRY_COMPILE(
1369                 [
1370 #include <sys/types.h>
1371 #include <sys/socket.h>
1372                 ],
1373                 [ sa_family_t foo; foo = 1235; ],
1374                 [ ac_cv_have_sa_family_t="yes" ],
1375                 [ AC_TRY_COMPILE(
1376                   [
1377 #include <sys/types.h>
1378 #include <sys/socket.h>
1379 #include <netinet/in.h>
1380                 ],
1381                 [ sa_family_t foo; foo = 1235; ],
1382                 [ ac_cv_have_sa_family_t="yes" ],
1383
1384                 [ ac_cv_have_sa_family_t="no" ]
1385         )]
1386         )
1387 ])
1388 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
1389         AC_DEFINE(HAVE_SA_FAMILY_T)
1390 fi
1391
1392 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
1393         AC_TRY_COMPILE(
1394                 [
1395 #include <sys/types.h>
1396                 ],
1397                 [ pid_t foo; foo = 1235; ],
1398                 [ ac_cv_have_pid_t="yes" ],
1399                 [ ac_cv_have_pid_t="no" ]
1400         )
1401 ])
1402 if test "x$ac_cv_have_pid_t" = "xyes" ; then
1403         AC_DEFINE(HAVE_PID_T)
1404 fi
1405
1406 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
1407         AC_TRY_COMPILE(
1408                 [
1409 #include <sys/types.h>
1410                 ],
1411                 [ mode_t foo; foo = 1235; ],
1412                 [ ac_cv_have_mode_t="yes" ],
1413                 [ ac_cv_have_mode_t="no" ]
1414         )
1415 ])
1416 if test "x$ac_cv_have_mode_t" = "xyes" ; then
1417         AC_DEFINE(HAVE_MODE_T)
1418 fi
1419
1420
1421 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
1422         AC_TRY_COMPILE(
1423                 [
1424 #include <sys/types.h>
1425 #include <sys/socket.h>
1426                 ],
1427                 [ struct sockaddr_storage s; ],
1428                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
1429                 [ ac_cv_have_struct_sockaddr_storage="no" ]
1430         )
1431 ])
1432 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
1433         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
1434 fi
1435
1436 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
1437         AC_TRY_COMPILE(
1438                 [
1439 #include <sys/types.h>
1440 #include <netinet/in.h>
1441                 ],
1442                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1443                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1444                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1445         )
1446 ])
1447 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1448         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1449 fi
1450
1451 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1452         AC_TRY_COMPILE(
1453                 [
1454 #include <sys/types.h>
1455 #include <netinet/in.h>
1456                 ],
1457                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1458                 [ ac_cv_have_struct_in6_addr="yes" ],
1459                 [ ac_cv_have_struct_in6_addr="no" ]
1460         )
1461 ])
1462 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1463         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1464 fi
1465
1466 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1467         AC_TRY_COMPILE(
1468                 [
1469 #include <sys/types.h>
1470 #include <sys/socket.h>
1471 #include <netdb.h>
1472                 ],
1473                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1474                 [ ac_cv_have_struct_addrinfo="yes" ],
1475                 [ ac_cv_have_struct_addrinfo="no" ]
1476         )
1477 ])
1478 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1479         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1480 fi
1481
1482 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1483         AC_TRY_COMPILE(
1484                 [ #include <sys/time.h> ],
1485                 [ struct timeval tv; tv.tv_sec = 1;],
1486                 [ ac_cv_have_struct_timeval="yes" ],
1487                 [ ac_cv_have_struct_timeval="no" ]
1488         )
1489 ])
1490 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1491         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1492         have_struct_timeval=1
1493 fi
1494
1495 # If we don't have int64_t then we can't compile sftp-server.  So don't
1496 # even attempt to do it.
1497 if test "x$ac_cv_have_int64_t" = "xno" -a \
1498         "x$ac_cv_sizeof_long_int" != "x8" -a \
1499         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1500         NO_SFTP='#'
1501 else
1502 dnl test snprintf (broken on SCO w/gcc)
1503         AC_TRY_RUN(
1504                 [
1505 #include <stdio.h>
1506 #include <string.h>
1507 #ifdef HAVE_SNPRINTF
1508 main()
1509 {
1510         char buf[50];
1511         char expected_out[50];
1512         int mazsize = 50 ;
1513 #if (SIZEOF_LONG_INT == 8)
1514         long int num = 0x7fffffffffffffff;
1515 #else
1516         long long num = 0x7fffffffffffffffll;
1517 #endif
1518         strcpy(expected_out, "9223372036854775807");
1519         snprintf(buf, mazsize, "%lld", num);
1520         if(strcmp(buf, expected_out) != 0)
1521                 exit(1);
1522         exit(0);
1523 }
1524 #else
1525 main() { exit(0); }
1526 #endif
1527                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1528         )
1529 fi
1530 AC_SUBST(NO_SFTP)
1531
1532 dnl Checks for structure members
1533 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1534 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1535 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1536 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1537 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1538 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1539 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1540 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1541 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1542 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1543 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1544 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1545 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1546 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1547 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1548 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1549 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1550
1551 AC_CHECK_MEMBERS([struct stat.st_blksize])
1552
1553 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1554                 ac_cv_have_ss_family_in_struct_ss, [
1555         AC_TRY_COMPILE(
1556                 [
1557 #include <sys/types.h>
1558 #include <sys/socket.h>
1559                 ],
1560                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1561                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1562                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1563         )
1564 ])
1565 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1566         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1567 fi
1568
1569 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1570                 ac_cv_have___ss_family_in_struct_ss, [
1571         AC_TRY_COMPILE(
1572                 [
1573 #include <sys/types.h>
1574 #include <sys/socket.h>
1575                 ],
1576                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1577                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1578                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1579         )
1580 ])
1581 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1582         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1583 fi
1584
1585 AC_CACHE_CHECK([for pw_class field in struct passwd],
1586                 ac_cv_have_pw_class_in_struct_passwd, [
1587         AC_TRY_COMPILE(
1588                 [
1589 #include <pwd.h>
1590                 ],
1591                 [ struct passwd p; p.pw_class = 0; ],
1592                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1593                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1594         )
1595 ])
1596 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1597         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1598 fi
1599
1600 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1601                 ac_cv_have_pw_expire_in_struct_passwd, [
1602         AC_TRY_COMPILE(
1603                 [
1604 #include <pwd.h>
1605                 ],
1606                 [ struct passwd p; p.pw_expire = 0; ],
1607                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1608                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1609         )
1610 ])
1611 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1612         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1613 fi
1614
1615 AC_CACHE_CHECK([for pw_change field in struct passwd],
1616                 ac_cv_have_pw_change_in_struct_passwd, [
1617         AC_TRY_COMPILE(
1618                 [
1619 #include <pwd.h>
1620                 ],
1621                 [ struct passwd p; p.pw_change = 0; ],
1622                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1623                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1624         )
1625 ])
1626 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1627         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1628 fi
1629
1630 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
1631                 ac_cv_have_accrights_in_msghdr, [
1632         AC_TRY_COMPILE(
1633                 [
1634 #include <sys/types.h>
1635 #include <sys/socket.h>
1636 #include <sys/uio.h>
1637                 ],
1638                 [ struct msghdr m; m.msg_accrights = 0; ],
1639                 [ ac_cv_have_accrights_in_msghdr="yes" ],
1640                 [ ac_cv_have_accrights_in_msghdr="no" ]
1641         )
1642 ])
1643 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
1644         AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
1645 fi
1646
1647 AC_CACHE_CHECK([for msg_control field in struct msghdr],
1648                 ac_cv_have_control_in_msghdr, [
1649         AC_TRY_COMPILE(
1650                 [
1651 #include <sys/types.h>
1652 #include <sys/socket.h>
1653 #include <sys/uio.h>
1654                 ],
1655                 [ struct msghdr m; m.msg_control = 0; ],
1656                 [ ac_cv_have_control_in_msghdr="yes" ],
1657                 [ ac_cv_have_control_in_msghdr="no" ]
1658         )
1659 ])
1660 if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
1661         AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
1662 fi
1663
1664 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1665         AC_TRY_LINK([],
1666                 [ extern char *__progname; printf("%s", __progname); ],
1667                 [ ac_cv_libc_defines___progname="yes" ],
1668                 [ ac_cv_libc_defines___progname="no" ]
1669         )
1670 ])
1671 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1672         AC_DEFINE(HAVE___PROGNAME)
1673 fi
1674
1675 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
1676         AC_TRY_LINK([
1677 #include <stdio.h>
1678 ],
1679                 [ printf("%s", __FUNCTION__); ],
1680                 [ ac_cv_cc_implements___FUNCTION__="yes" ],
1681                 [ ac_cv_cc_implements___FUNCTION__="no" ]
1682         )
1683 ])
1684 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
1685         AC_DEFINE(HAVE___FUNCTION__)
1686 fi
1687
1688 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
1689         AC_TRY_LINK([
1690 #include <stdio.h>
1691 ],
1692                 [ printf("%s", __func__); ],
1693                 [ ac_cv_cc_implements___func__="yes" ],
1694                 [ ac_cv_cc_implements___func__="no" ]
1695         )
1696 ])
1697 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
1698         AC_DEFINE(HAVE___func__)
1699 fi
1700
1701 AC_CACHE_CHECK([whether getopt has optreset support],
1702                 ac_cv_have_getopt_optreset, [
1703         AC_TRY_LINK(
1704                 [
1705 #include <getopt.h>
1706                 ],
1707                 [ extern int optreset; optreset = 0; ],
1708                 [ ac_cv_have_getopt_optreset="yes" ],
1709                 [ ac_cv_have_getopt_optreset="no" ]
1710         )
1711 ])
1712 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
1713         AC_DEFINE(HAVE_GETOPT_OPTRESET)
1714 fi
1715
1716 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1717         AC_TRY_LINK([],
1718                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1719                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1720                 [ ac_cv_libc_defines_sys_errlist="no" ]
1721         )
1722 ])
1723 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1724         AC_DEFINE(HAVE_SYS_ERRLIST)
1725 fi
1726
1727
1728 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1729         AC_TRY_LINK([],
1730                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1731                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1732                 [ ac_cv_libc_defines_sys_nerr="no" ]
1733         )
1734 ])
1735 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1736         AC_DEFINE(HAVE_SYS_NERR)
1737 fi
1738
1739 SCARD_MSG="no"
1740
1741 # Check whether user wants sectok support
1742 AC_ARG_WITH(sectok,
1743         [  --with-sectok           Enable smartcard support using libsectok],
1744         [
1745                 if test "x$withval" != "xno" ; then
1746                         if test "x$withval" != "xyes" ; then
1747                                 CPPFLAGS="$CPPFLAGS -I${withval}"
1748                                 LDFLAGS="$LDFLAGS -L${withval}"
1749                                 if test ! -z "$need_dash_r" ; then
1750                                         LDFLAGS="$LDFLAGS -R${withval}"
1751                                 fi
1752                                 if test ! -z "$blibpath" ; then
1753                                         blibpath="$blibpath:${withval}"
1754                                 fi
1755                         fi
1756                         AC_CHECK_HEADERS(sectok.h)
1757                         if test "$ac_cv_header_sectok_h" != yes; then
1758                                 AC_MSG_ERROR(Can't find sectok.h)
1759                         fi
1760                         AC_CHECK_LIB(sectok, sectok_open)
1761                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
1762                                 AC_MSG_ERROR(Can't find libsectok)
1763                         fi
1764                         AC_DEFINE(SMARTCARD)
1765                         AC_DEFINE(USE_SECTOK)
1766                         SCARD_MSG="yes, using sectok"
1767                 fi
1768         ]
1769 )
1770
1771 # Check whether user wants OpenSC support
1772 AC_ARG_WITH(opensc,
1773         AC_HELP_STRING([--with-opensc=PFX],
1774                        [Enable smartcard support using OpenSC]),
1775         opensc_config_prefix="$withval", opensc_config_prefix="")
1776 if test x$opensc_config_prefix != x ; then
1777   OPENSC_CONFIG=$opensc_config_prefix/bin/opensc-config
1778   AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
1779   if test "$OPENSC_CONFIG" != "no"; then
1780     LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
1781     LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
1782     CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
1783     LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"
1784     AC_DEFINE(SMARTCARD)
1785     AC_DEFINE(USE_OPENSC)
1786     SCARD_MSG="yes, using OpenSC"
1787   fi
1788 fi
1789
1790 # Check whether user wants Kerberos 5 support
1791 KRB5_MSG="no"
1792 AC_ARG_WITH(kerberos5,
1793         [  --with-kerberos5=PATH   Enable Kerberos 5 support],
1794         [
1795                 if test "x$withval" != "xno" ; then
1796                         if test "x$withval" = "xyes" ; then
1797                                 KRB5ROOT="/usr/local"
1798                         else
1799                                 KRB5ROOT=${withval}
1800                         fi
1801                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
1802                         LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
1803                         AC_DEFINE(KRB5)
1804                         KRB5_MSG="yes"
1805                         AC_MSG_CHECKING(whether we are using Heimdal)
1806                         AC_TRY_COMPILE([ #include <krb5.h> ],
1807                                        [ char *tmp = heimdal_version; ],
1808                                        [ AC_MSG_RESULT(yes)
1809                                          AC_DEFINE(HEIMDAL)
1810                                          K5LIBS="-lkrb5 -ldes -lcom_err -lasn1 -lroken"
1811                                        ],
1812                                        [ AC_MSG_RESULT(no)
1813                                          K5LIBS="-lkrb5 -lk5crypto -lcom_err"
1814                                        ]
1815                         )
1816                         if test ! -z "$need_dash_r" ; then
1817                                 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
1818                         fi
1819                         if test ! -z "$blibpath" ; then
1820                                 blibpath="$blibpath:${KRB5ROOT}/lib"
1821                         fi
1822                         AC_CHECK_LIB(resolv, dn_expand, , )
1823
1824                         AC_CHECK_LIB(gssapi,gss_init_sec_context,
1825                                 [ AC_DEFINE(GSSAPI)
1826                                   K5LIBS="-lgssapi $K5LIBS" ],
1827                                 [ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
1828                                         [ AC_DEFINE(GSSAPI)
1829                                           K5LIBS="-lgssapi_krb5 $K5LIBS" ],
1830                                         AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
1831                                         $K5LIBS)
1832                                 ],
1833                                 $K5LIBS)
1834
1835                         AC_CHECK_HEADER(gssapi.h, ,
1836                                 [ unset ac_cv_header_gssapi_h
1837                                   CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
1838                                   AC_CHECK_HEADERS(gssapi.h, ,
1839                                         AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
1840                                   )
1841                                 ]
1842                         )
1843
1844                         oldCPP="$CPPFLAGS"
1845                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
1846                         AC_CHECK_HEADER(gssapi_krb5.h, ,
1847                                         [ CPPFLAGS="$oldCPP" ])
1848
1849                         KRB5=yes
1850                 fi
1851         ]
1852 )
1853 # Check whether user wants Kerberos 4 support
1854 KRB4_MSG="no"
1855 AC_ARG_WITH(kerberos4,
1856         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1857         [
1858                 if test "x$withval" != "xno" ; then
1859                         if test "x$withval" != "xyes" ; then
1860                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1861                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1862                                 if test ! -z "$need_dash_r" ; then
1863                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1864                                 fi
1865                                 if test ! -z "$blibpath" ; then
1866                                         blibpath="$blibpath:${withval}/lib"
1867                                 fi
1868                         else
1869                                 if test -d /usr/include/kerberosIV ; then
1870                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1871                                 fi
1872                         fi
1873
1874                         AC_CHECK_HEADERS(krb.h)
1875                         if test "$ac_cv_header_krb_h" != yes; then
1876                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1877                         fi
1878                         AC_CHECK_LIB(krb, main)
1879                         if test "$ac_cv_lib_krb_main" != yes; then
1880                                 AC_CHECK_LIB(krb4, main)
1881                                 if test "$ac_cv_lib_krb4_main" != yes; then
1882                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
1883                                 else
1884                                         KLIBS="-lkrb4"
1885                                 fi
1886                         else
1887                                 KLIBS="-lkrb"
1888                         fi
1889                         AC_CHECK_LIB(des, des_cbc_encrypt)
1890                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
1891                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
1892                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
1893                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
1894                                 else
1895                                         KLIBS="-ldes425"
1896                                 fi
1897                         else
1898                                 KLIBS="-ldes"
1899                         fi
1900                         AC_CHECK_LIB(resolv, dn_expand, , )
1901                         KRB4=yes
1902                         KRB4_MSG="yes"
1903                         AC_DEFINE(KRB4)
1904                 fi
1905         ]
1906 )
1907
1908 # Check whether user wants AFS support
1909 AFS_MSG="no"
1910 AC_ARG_WITH(afs,
1911         [  --with-afs=PATH         Enable AFS support],
1912         [
1913                 if test "x$withval" != "xno" ; then
1914
1915                         if test "x$withval" != "xyes" ; then
1916                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1917                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1918                         fi
1919
1920                         if test -z "$KRB4" ; then
1921                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1922                         fi
1923
1924                         LIBS="-lkafs $LIBS"
1925                         if test ! -z "$AFS_LIBS" ; then
1926                                 LIBS="$LIBS $AFS_LIBS"
1927                         fi
1928                         AC_DEFINE(AFS)
1929                         AFS_MSG="yes"
1930                 fi
1931         ]
1932 )
1933 LIBS="$LIBS $KLIBS $K5LIBS"
1934
1935 # Looking for programs, paths and files
1936 AC_ARG_WITH(rsh,
1937         [  --with-rsh=PATH         Specify path to remote shell program ],
1938         [
1939                 if test "x$withval" != "$no" ; then
1940                         rsh_path=$withval
1941                 fi
1942         ],
1943         [
1944                 AC_PATH_PROG(rsh_path, rsh)
1945         ]
1946 )
1947
1948 PRIVSEP_PATH=/var/empty
1949 AC_ARG_WITH(privsep-path,
1950         [  --with-privsep-path=xxx Path for privilege seperation chroot ],
1951         [
1952                 if test "x$withval" != "$no" ; then
1953                         PRIVSEP_PATH=$withval
1954                 fi
1955         ]
1956 )
1957 AC_SUBST(PRIVSEP_PATH)
1958
1959 AC_ARG_WITH(xauth,
1960         [  --with-xauth=PATH       Specify path to xauth program ],
1961         [
1962                 if test "x$withval" != "xno" ; then
1963                         xauth_path=$withval
1964                 fi
1965         ],
1966         [
1967                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1968                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1969                         xauth_path="/usr/openwin/bin/xauth"
1970                 fi
1971         ]
1972 )
1973
1974 if test -z "$xauth_path" ; then
1975         XAUTH_PATH="undefined"
1976         AC_SUBST(XAUTH_PATH)
1977 else
1978         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1979         XAUTH_PATH=$xauth_path
1980         AC_SUBST(XAUTH_PATH)
1981 fi
1982 if test ! -z "$rsh_path" ; then
1983         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
1984 fi
1985
1986 # Check for mail directory (last resort if we cannot get it from headers)
1987 if test ! -z "$MAIL" ; then
1988         maildir=`dirname $MAIL`
1989         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1990 fi
1991
1992 if test -z "$no_dev_ptmx" ; then
1993         if test "x$disable_ptmx_check" != "xyes" ; then
1994                 AC_CHECK_FILE("/dev/ptmx",
1995                         [
1996                                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1997                                 have_dev_ptmx=1
1998                         ]
1999                 )
2000         fi
2001 fi
2002 AC_CHECK_FILE("/dev/ptc",
2003         [
2004                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
2005                 have_dev_ptc=1
2006         ]
2007 )
2008
2009 # Options from here on. Some of these are preset by platform above
2010 AC_ARG_WITH(mantype,
2011         [  --with-mantype=man|cat|doc  Set man page type],
2012         [
2013                 case "$withval" in
2014                 man|cat|doc)
2015                         MANTYPE=$withval
2016                         ;;
2017                 *)
2018                         AC_MSG_ERROR(invalid man type: $withval)
2019                         ;;
2020                 esac
2021         ]
2022 )
2023 if test -z "$MANTYPE"; then
2024         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, /usr/bin:/usr/ucb)
2025         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
2026                 MANTYPE=doc
2027         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
2028                 MANTYPE=man
2029         else
2030                 MANTYPE=cat
2031         fi
2032 fi
2033 AC_SUBST(MANTYPE)
2034 if test "$MANTYPE" = "doc"; then
2035         mansubdir=man;
2036 else
2037         mansubdir=$MANTYPE;
2038 fi
2039 AC_SUBST(mansubdir)
2040
2041 # Check whether to enable MD5 passwords
2042 MD5_MSG="no"
2043 AC_ARG_WITH(md5-passwords,
2044         [  --with-md5-passwords    Enable use of MD5 passwords],
2045         [
2046                 if test "x$withval" != "xno" ; then
2047                         AC_DEFINE(HAVE_MD5_PASSWORDS)
2048                         MD5_MSG="yes"
2049                 fi
2050         ]
2051 )
2052
2053 # Whether to disable shadow password support
2054 AC_ARG_WITH(shadow,
2055         [  --without-shadow        Disable shadow password support],
2056         [
2057                 if test "x$withval" = "xno" ; then
2058                         AC_DEFINE(DISABLE_SHADOW)
2059                         disable_shadow=yes
2060                 fi
2061         ]
2062 )
2063
2064 if test -z "$disable_shadow" ; then
2065         AC_MSG_CHECKING([if the systems has expire shadow information])
2066         AC_TRY_COMPILE(
2067         [
2068 #include <sys/types.h>
2069 #include <shadow.h>
2070         struct spwd sp;
2071         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
2072         [ sp_expire_available=yes ], []
2073         )
2074
2075         if test "x$sp_expire_available" = "xyes" ; then
2076                 AC_MSG_RESULT(yes)
2077                 AC_DEFINE(HAS_SHADOW_EXPIRE)
2078         else
2079                 AC_MSG_RESULT(no)
2080         fi
2081 fi
2082
2083 # Use ip address instead of hostname in $DISPLAY
2084 if test ! -z "$IPADDR_IN_DISPLAY" ; then
2085         DISPLAY_HACK_MSG="yes"
2086         AC_DEFINE(IPADDR_IN_DISPLAY)
2087 else
2088         DISPLAY_HACK_MSG="no"
2089         AC_ARG_WITH(ipaddr-display,
2090                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
2091                 [
2092                         if test "x$withval" != "xno" ; then
2093                                 AC_DEFINE(IPADDR_IN_DISPLAY)
2094                                 DISPLAY_HACK_MSG="yes"
2095                         fi
2096                 ]
2097         )
2098 fi
2099
2100 dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
2101 if test $ac_cv_func_login_getcapbool = "yes" -a \
2102         $ac_cv_header_login_cap_h = "yes" ; then
2103         USES_LOGIN_CONF=yes
2104 fi
2105 # Whether to mess with the default path
2106 SERVER_PATH_MSG="(default)"
2107 AC_ARG_WITH(default-path,
2108         [  --with-default-path=    Specify default \$PATH environment for server],
2109         [
2110                 if test "$USES_LOGIN_CONF" = "yes" ; then
2111                         AC_MSG_WARN([
2112 --with-default-path=PATH has no effect on this system.
2113 Edit /etc/login.conf instead.])
2114                 elif test "x$withval" != "xno" ; then
2115                         user_path="$withval"
2116                         SERVER_PATH_MSG="$withval"
2117                 fi
2118         ],
2119         [ if test "$USES_LOGIN_CONF" = "yes" ; then
2120         AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
2121         else
2122         AC_TRY_RUN(
2123                 [
2124 /* find out what STDPATH is */
2125 #include <stdio.h>
2126 #ifdef HAVE_PATHS_H
2127 # include <paths.h>
2128 #endif
2129 #ifndef _PATH_STDPATH
2130 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
2131 #endif
2132 #include <sys/types.h>
2133 #include <sys/stat.h>
2134 #include <fcntl.h>
2135 #define DATA "conftest.stdpath"
2136
2137 main()
2138 {
2139         FILE *fd;
2140         int rc;
2141
2142         fd = fopen(DATA,"w");
2143         if(fd == NULL)
2144                 exit(1);
2145
2146         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
2147                 exit(1);
2148
2149         exit(0);
2150 }
2151                 ], [ user_path=`cat conftest.stdpath` ],
2152                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
2153                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
2154         )
2155 # make sure $bindir is in USER_PATH so scp will work
2156                 t_bindir=`eval echo ${bindir}`
2157                 case $t_bindir in
2158                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
2159                 esac
2160                 case $t_bindir in
2161                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
2162                 esac
2163                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
2164                 if test $? -ne 0  ; then
2165                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
2166                         if test $? -ne 0  ; then
2167                                 user_path=$user_path:$t_bindir
2168                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
2169                         fi
2170                 fi
2171         fi ]
2172 )
2173 if test "$USES_LOGIN_CONF" != "yes" ; then
2174         AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
2175         AC_SUBST(user_path)
2176 fi
2177
2178 # Set superuser path separately to user path
2179 MD5_MSG="no"
2180 AC_ARG_WITH(superuser-path,
2181         [  --with-superuser-path=  Specify different path for super-user],
2182         [
2183                 if test "x$withval" != "xno" ; then
2184                         AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval")
2185                         superuser_path=$withval
2186                 fi
2187         ]
2188 )
2189
2190
2191 # Whether to force IPv4 by default (needed on broken glibc Linux)
2192 IPV4_HACK_MSG="no"
2193 AC_ARG_WITH(ipv4-default,
2194         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
2195         [
2196                 if test "x$withval" != "xno" ; then
2197                         AC_DEFINE(IPV4_DEFAULT)
2198                         IPV4_HACK_MSG="yes"
2199                 fi
2200         ]
2201 )
2202
2203 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
2204 IPV4_IN6_HACK_MSG="no"
2205 AC_ARG_WITH(4in6,
2206         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
2207         [
2208                 if test "x$withval" != "xno" ; then
2209                         AC_MSG_RESULT(yes)
2210                         AC_DEFINE(IPV4_IN_IPV6)
2211                         IPV4_IN6_HACK_MSG="yes"
2212                 else
2213                         AC_MSG_RESULT(no)
2214                 fi
2215         ],[
2216                 if test "x$inet6_default_4in6" = "xyes"; then
2217                         AC_MSG_RESULT([yes (default)])
2218                         AC_DEFINE(IPV4_IN_IPV6)
2219                         IPV4_IN6_HACK_MSG="yes"
2220                 else
2221                         AC_MSG_RESULT([no (default)])
2222                 fi
2223         ]
2224 )
2225
2226 # Whether to enable BSD auth support
2227 BSD_AUTH_MSG=no
2228 AC_ARG_WITH(bsd-auth,
2229         [  --with-bsd-auth         Enable BSD auth support],
2230         [
2231                 if test "x$withval" != "xno" ; then
2232                         AC_DEFINE(BSD_AUTH)
2233                         BSD_AUTH_MSG=yes
2234                 fi
2235         ]
2236 )
2237
2238 AC_MSG_CHECKING(whether to install ssh as suid root)
2239 AC_ARG_ENABLE(suid-ssh,
2240 [  --enable-suid-ssh       Install ssh as suid root (default)
2241   --disable-suid-ssh      Install ssh without suid bit],
2242 [ case "$enableval" in
2243   no)
2244        AC_MSG_RESULT(no)
2245        SSHMODE=0711
2246        ;;
2247   *)   AC_MSG_RESULT(yes)
2248        SSHMODE=4711
2249        ;;
2250   esac ],
2251   AC_MSG_RESULT(yes)
2252   SSHMODE=4711
2253 )
2254 AC_SUBST(SSHMODE)
2255
2256
2257 # Where to place sshd.pid
2258 piddir=/var/run
2259 # make sure the directory exists
2260 if test ! -d $piddir ; then
2261         piddir=`eval echo ${sysconfdir}`
2262         case $piddir in
2263                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
2264         esac
2265 fi
2266
2267 AC_ARG_WITH(pid-dir,
2268         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
2269         [
2270                 if test "x$withval" != "xno" ; then
2271                         piddir=$withval
2272                         if test ! -d $piddir ; then
2273                         AC_MSG_WARN([** no $piddir directory on this system **])
2274                         fi
2275                 fi
2276         ]
2277 )
2278
2279 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
2280 AC_SUBST(piddir)
2281
2282 dnl allow user to disable some login recording features
2283 AC_ARG_ENABLE(lastlog,
2284         [  --disable-lastlog       disable use of lastlog even if detected [no]],
2285         [ AC_DEFINE(DISABLE_LASTLOG) ]
2286 )
2287 AC_ARG_ENABLE(utmp,
2288         [  --disable-utmp          disable use of utmp even if detected [no]],
2289         [ AC_DEFINE(DISABLE_UTMP) ]
2290 )
2291 AC_ARG_ENABLE(utmpx,
2292         [  --disable-utmpx         disable use of utmpx even if detected [no]],
2293         [ AC_DEFINE(DISABLE_UTMPX) ]
2294 )
2295 AC_ARG_ENABLE(wtmp,
2296         [  --disable-wtmp          disable use of wtmp even if detected [no]],
2297         [ AC_DEFINE(DISABLE_WTMP) ]
2298 )
2299 AC_ARG_ENABLE(wtmpx,
2300         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
2301         [ AC_DEFINE(DISABLE_WTMPX) ]
2302 )
2303 AC_ARG_ENABLE(libutil,
2304         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
2305         [ AC_DEFINE(DISABLE_LOGIN) ]
2306 )
2307 AC_ARG_ENABLE(pututline,
2308         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
2309         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
2310 )
2311 AC_ARG_ENABLE(pututxline,
2312         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
2313         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
2314 )
2315 AC_ARG_WITH(lastlog,
2316   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
2317         [
2318                 if test "x$withval" = "xno" ; then
2319                         AC_DEFINE(DISABLE_LASTLOG)
2320                 else
2321                         conf_lastlog_location=$withval
2322                 fi
2323         ]
2324 )
2325
2326 dnl lastlog, [uw]tmpx? detection
2327 dnl  NOTE: set the paths in the platform section to avoid the
2328 dnl   need for command-line parameters
2329 dnl lastlog and [uw]tmp are subject to a file search if all else fails
2330
2331 dnl lastlog detection
2332 dnl  NOTE: the code itself will detect if lastlog is a directory
2333 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
2334 AC_TRY_COMPILE([
2335 #include <sys/types.h>
2336 #include <utmp.h>
2337 #ifdef HAVE_LASTLOG_H
2338 #  include <lastlog.h>
2339 #endif
2340 #ifdef HAVE_PATHS_H
2341 #  include <paths.h>
2342 #endif
2343 #ifdef HAVE_LOGIN_H
2344 # include <login.h>
2345 #endif
2346         ],
2347         [ char *lastlog = LASTLOG_FILE; ],
2348         [ AC_MSG_RESULT(yes) ],
2349         [
2350                 AC_MSG_RESULT(no)
2351                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
2352                 AC_TRY_COMPILE([
2353 #include <sys/types.h>
2354 #include <utmp.h>
2355 #ifdef HAVE_LASTLOG_H
2356 #  include <lastlog.h>
2357 #endif
2358 #ifdef HAVE_PATHS_H
2359 #  include <paths.h>
2360 #endif
2361                 ],
2362                 [ char *lastlog = _PATH_LASTLOG; ],
2363                 [ AC_MSG_RESULT(yes) ],
2364                 [
2365                         AC_MSG_RESULT(no)
2366                         system_lastlog_path=no
2367                 ])
2368         ]
2369 )
2370
2371 if test -z "$conf_lastlog_location"; then
2372         if test x"$system_lastlog_path" = x"no" ; then
2373                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
2374                                 if (test -d "$f" || test -f "$f") ; then
2375                                         conf_lastlog_location=$f
2376                                 fi
2377                 done
2378                 if test -z "$conf_lastlog_location"; then
2379                         AC_MSG_WARN([** Cannot find lastlog **])
2380                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
2381                 fi
2382         fi
2383 fi
2384
2385 if test -n "$conf_lastlog_location"; then
2386         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
2387 fi
2388
2389 dnl utmp detection
2390 AC_MSG_CHECKING([if your system defines UTMP_FILE])
2391 AC_TRY_COMPILE([
2392 #include <sys/types.h>
2393 #include <utmp.h>
2394 #ifdef HAVE_PATHS_H
2395 #  include <paths.h>
2396 #endif
2397         ],
2398         [ char *utmp = UTMP_FILE; ],
2399         [ AC_MSG_RESULT(yes) ],
2400         [ AC_MSG_RESULT(no)
2401           system_utmp_path=no ]
2402 )
2403 if test -z "$conf_utmp_location"; then
2404         if test x"$system_utmp_path" = x"no" ; then
2405                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
2406                         if test -f $f ; then
2407                                 conf_utmp_location=$f
2408                         fi
2409                 done
2410                 if test -z "$conf_utmp_location"; then
2411                         AC_DEFINE(DISABLE_UTMP)
2412                 fi
2413         fi
2414 fi
2415 if test -n "$conf_utmp_location"; then
2416         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
2417 fi
2418
2419 dnl wtmp detection
2420 AC_MSG_CHECKING([if your system defines WTMP_FILE])
2421 AC_TRY_COMPILE([
2422 #include <sys/types.h>
2423 #include <utmp.h>
2424 #ifdef HAVE_PATHS_H
2425 #  include <paths.h>
2426 #endif
2427         ],
2428         [ char *wtmp = WTMP_FILE; ],
2429         [ AC_MSG_RESULT(yes) ],
2430         [ AC_MSG_RESULT(no)
2431           system_wtmp_path=no ]
2432 )
2433 if test -z "$conf_wtmp_location"; then
2434         if test x"$system_wtmp_path" = x"no" ; then
2435                 for f in /usr/adm/wtmp /var/log/wtmp; do
2436                         if test -f $f ; then
2437                                 conf_wtmp_location=$f
2438                         fi
2439                 done
2440                 if test -z "$conf_wtmp_location"; then
2441                         AC_DEFINE(DISABLE_WTMP)
2442                 fi
2443         fi
2444 fi
2445 if test -n "$conf_wtmp_location"; then
2446         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
2447 fi
2448
2449
2450 dnl utmpx detection - I don't know any system so perverse as to require
2451 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
2452 dnl  there, though.
2453 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
2454 AC_TRY_COMPILE([
2455 #include <sys/types.h>
2456 #include <utmp.h>
2457 #ifdef HAVE_UTMPX_H
2458 #include <utmpx.h>
2459 #endif
2460 #ifdef HAVE_PATHS_H
2461 #  include <paths.h>
2462 #endif
2463         ],
2464         [ char *utmpx = UTMPX_FILE; ],
2465         [ AC_MSG_RESULT(yes) ],
2466         [ AC_MSG_RESULT(no)
2467           system_utmpx_path=no ]
2468 )
2469 if test -z "$conf_utmpx_location"; then
2470         if test x"$system_utmpx_path" = x"no" ; then
2471                 AC_DEFINE(DISABLE_UTMPX)
2472         fi
2473 else
2474         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
2475 fi
2476
2477 dnl wtmpx detection
2478 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
2479 AC_TRY_COMPILE([
2480 #include <sys/types.h>
2481 #include <utmp.h>
2482 #ifdef HAVE_UTMPX_H
2483 #include <utmpx.h>
2484 #endif
2485 #ifdef HAVE_PATHS_H
2486 #  include <paths.h>
2487 #endif
2488         ],
2489         [ char *wtmpx = WTMPX_FILE; ],
2490         [ AC_MSG_RESULT(yes) ],
2491         [ AC_MSG_RESULT(no)
2492           system_wtmpx_path=no ]
2493 )
2494 if test -z "$conf_wtmpx_location"; then
2495         if test x"$system_wtmpx_path" = x"no" ; then
2496                 AC_DEFINE(DISABLE_WTMPX)
2497         fi
2498 else
2499         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
2500 fi
2501
2502
2503 if test ! -z "$blibpath" ; then
2504         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
2505         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
2506 fi
2507
2508 dnl remove pam and dl because they are in $LIBPAM
2509 if test "$PAM_MSG" = yes ; then
2510         LIBS=`echo $LIBS | sed 's/-lpam //'`
2511 fi
2512 if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
2513         LIBS=`echo $LIBS | sed 's/-ldl //'`
2514 fi
2515
2516 AC_EXEEXT
2517 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
2518 AC_OUTPUT
2519
2520 # Print summary of options
2521
2522 # Someone please show me a better way :)
2523 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
2524 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
2525 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
2526 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
2527 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
2528 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
2529 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
2530 H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
2531 I=`eval echo ${user_path}` ; I=`eval echo ${I}`
2532 J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
2533
2534 echo ""
2535 echo "OpenSSH has been configured with the following options:"
2536 echo "                     User binaries: $B"
2537 echo "                   System binaries: $C"
2538 echo "               Configuration files: $D"
2539 echo "                   Askpass program: $E"
2540 echo "                      Manual pages: $F"
2541 echo "                          PID file: $G"
2542 echo "  Privilege separation chroot path: $H"
2543 if test "$USES_LOGIN_CONF" = "yes" ; then
2544 echo "   At runtime, sshd will use the path defined in /etc/login.conf"
2545 else
2546 echo "            sshd default user PATH: $I"
2547 fi
2548 if test ! -z "$superuser_path" ; then
2549 echo "          sshd superuser user PATH: $J"
2550 fi
2551 echo "                    Manpage format: $MANTYPE"
2552 echo "                       PAM support: ${PAM_MSG}"
2553 echo "                KerberosIV support: $KRB4_MSG"
2554 echo "                 KerberosV support: $KRB5_MSG"
2555 echo "                 Smartcard support: $SCARD_MSG"
2556 echo "                       AFS support: $AFS_MSG"
2557 echo "                     S/KEY support: $SKEY_MSG"
2558 echo "              TCP Wrappers support: $TCPW_MSG"
2559 echo "              MD5 password support: $MD5_MSG"
2560 echo "       IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
2561 echo "          Use IPv4 by default hack: $IPV4_HACK_MSG"
2562 echo "           Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
2563 echo "                  BSD Auth support: $BSD_AUTH_MSG"
2564 echo "              Random number source: $RAND_MSG"
2565 if test ! -z "$USE_RAND_HELPER" ; then
2566 echo "     ssh-rand-helper collects from: $RAND_HELPER_MSG"
2567 fi
2568
2569 echo ""
2570
2571 echo "              Host: ${host}"
2572 echo "          Compiler: ${CC}"
2573 echo "    Compiler flags: ${CFLAGS}"
2574 echo "Preprocessor flags: ${CPPFLAGS}"
2575 echo "      Linker flags: ${LDFLAGS}"
2576 echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
2577
2578 echo ""
2579
2580 if test "x$PAM_MSG" = "xyes" ; then
2581         echo "PAM is enabled. You may need to install a PAM control file "
2582         echo "for sshd, otherwise password authentication may fail. "
2583         echo "Example PAM control files can be found in the contrib/ "
2584         echo "subdirectory"
2585         echo ""
2586 fi
2587
2588 if test ! -z "$NO_SFTP"; then
2589         echo "sftp-server will be disabled.  Your compiler does not "
2590         echo "support 64bit integers."
2591         echo ""
2592 fi
2593
2594 if test ! -z "$RAND_HELPER_CMDHASH" ; then
2595         echo "WARNING: you are using the builtin random number collection "
2596         echo "service. Please read WARNING.RNG and request that your OS "
2597         echo "vendor includes kernel-based random number collection in "
2598         echo "future versions of your OS."
2599         echo ""
2600 fi
2601