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="$saved_LDFLAGS"
  73         fi
  74         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  75         AC_DEFINE(BROKEN_GETADDRINFO)
  76         AC_DEFINE(BROKEN_REALPATH)
  77         dnl AIX handles lastlog as part of its login message
  78         AC_DEFINE(DISABLE_LASTLOG)
  79         ;;
  80 *-*-cygwin*)
  81         LIBS="$LIBS /usr/lib/textmode.o"
  82         AC_DEFINE(HAVE_CYGWIN)
  83         AC_DEFINE(USE_PIPES)
  84         AC_DEFINE(DISABLE_SHADOW)
  85         AC_DEFINE(IPV4_DEFAULT)
  86         AC_DEFINE(IP_TOS_IS_BROKEN)
  87         AC_DEFINE(NO_X11_UNIX_SOCKETS)
  88         ;;
  89 *-*-dgux*)
  90         AC_DEFINE(IP_TOS_IS_BROKEN)
  91         ;;
  92 *-*-darwin*)
  93         AC_DEFINE(BROKEN_GETADDRINFO)
  94         ;;
  95 *-*-hpux10.26)
  96         if test -z "$GCC"; then
  97                 CFLAGS="$CFLAGS -Ae"
  98         fi
  99         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 100         IPADDR_IN_DISPLAY=yes
 101         AC_DEFINE(HAVE_SECUREWARE)
 102         AC_DEFINE(USE_PIPES)
 103         AC_DEFINE(LOGIN_NO_ENDOPT)
 104         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 105         AC_DEFINE(DISABLE_SHADOW)
 106         AC_DEFINE(DISABLE_UTMP)
 107         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 108         LIBS="$LIBS -lxnet -lsec -lsecpw"
 109         disable_ptmx_check=yes
 110         ;;
 111 *-*-hpux10*)
 112         if test -z "$GCC"; then
 113                 CFLAGS="$CFLAGS -Ae"
 114         fi
 115         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 116         IPADDR_IN_DISPLAY=yes
 117         AC_DEFINE(USE_PIPES)
 118         AC_DEFINE(LOGIN_NO_ENDOPT)
 119         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 120         AC_DEFINE(DISABLE_SHADOW)
 121         AC_DEFINE(DISABLE_UTMP)
 122         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 123         LIBS="$LIBS -lxnet -lsec"
 124         ;;
 125 *-*-hpux11*)
 126         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 127         IPADDR_IN_DISPLAY=yes
 128         AC_DEFINE(PAM_SUN_CODEBASE)
 129         AC_DEFINE(USE_PIPES)
 130         AC_DEFINE(LOGIN_NO_ENDOPT)
 131         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 132         AC_DEFINE(DISABLE_SHADOW)
 133         AC_DEFINE(DISABLE_UTMP)
 134         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 135         LIBS="$LIBS -lxnet -lsec"
 136         ;;
 137 *-*-irix5*)
 138         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 139         LDFLAGS="$LDFLAGS"
 140         PATH="$PATH:/usr/etc"
 141         AC_DEFINE(BROKEN_INET_NTOA)
 142         AC_DEFINE(WITH_ABBREV_NO_TTY)
 143         ;;
 144 *-*-irix6*)
 145         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 146         LDFLAGS="$LDFLAGS"
 147         PATH="$PATH:/usr/etc"
 148         AC_DEFINE(WITH_IRIX_ARRAY)
 149         AC_DEFINE(WITH_IRIX_PROJECT)
 150         AC_DEFINE(WITH_IRIX_AUDIT)
 151         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 152         AC_DEFINE(BROKEN_INET_NTOA)
 153         AC_DEFINE(WITH_ABBREV_NO_TTY)
 154         ;;
 155 *-*-linux*)
 156         no_dev_ptmx=1
 157         check_for_libcrypt_later=1
 158         AC_DEFINE(DONT_TRY_OTHER_AF)
 159         AC_DEFINE(PAM_TTY_KLUDGE)
 160         inet6_default_4in6=yes
 161         ;;
 162 mips-sony-bsd|mips-sony-newsos4)
 163         AC_DEFINE(HAVE_NEWS4)
 164         SONY=1
 165         ;;
 166 *-*-netbsd*)
 167         need_dash_r=1
 168         ;;
 169 *-*-freebsd*)
 170         check_for_libcrypt_later=1
 171         ;;
 172 *-next-*)
 173         conf_lastlog_location="/usr/adm/lastlog"
 174         conf_utmp_location=/etc/utmp
 175         conf_wtmp_location=/usr/adm/wtmp
 176         MAIL=/usr/spool/mail
 177         AC_DEFINE(HAVE_NEXT)
 178         AC_DEFINE(BROKEN_REALPATH)
 179         AC_DEFINE(USE_PIPES)
 180         AC_DEFINE(BROKEN_SAVED_UIDS)
 181         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 182         CFLAGS="$CFLAGS"
 183         ;;
 184 *-*-solaris*)
 185         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 186         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 187         need_dash_r=1
 188         AC_DEFINE(PAM_SUN_CODEBASE)
 189         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 190         AC_DEFINE(LOGIN_NEEDS_TERM)
 191         AC_DEFINE(PAM_TTY_KLUDGE)
 192         # hardwire lastlog location (can't detect it on some versions)
 193         conf_lastlog_location="/var/adm/lastlog"
 194         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 195         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 196         if test "$sol2ver" -ge 8; then
 197                 AC_MSG_RESULT(yes)
 198                 AC_DEFINE(DISABLE_UTMP)
 199                 AC_DEFINE(DISABLE_WTMP)
 200         else
 201                 AC_MSG_RESULT(no)
 202         fi
 203         ;;
 204 *-*-sunos4*)
 205         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 206         AC_CHECK_FUNCS(getpwanam)
 207         AC_DEFINE(PAM_SUN_CODEBASE)
 208         conf_utmp_location=/etc/utmp
 209         conf_wtmp_location=/var/adm/wtmp
 210         conf_lastlog_location=/var/adm/lastlog
 211         AC_DEFINE(USE_PIPES)
 212         ;;
 213 *-ncr-sysv*)
 214         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 215         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 216         LIBS="$LIBS -lc89"
 217         AC_DEFINE(USE_PIPES)
 218         ;;
 219 *-sni-sysv*)
 220         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 221         # /usr/ucblib MUST NOT be searched on ReliantUNIX
 222         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 223         IPADDR_IN_DISPLAY=yes
 224         AC_DEFINE(USE_PIPES)
 225         AC_DEFINE(IP_TOS_IS_BROKEN)
 226         # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
 227         # Attention: always take care to bind libsocket and libnsl before libc,
 228         # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
 229         ;;
 230 *-*-sysv4.2*)
 231         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 232         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 233 #       enable_suid_ssh=no
 234         AC_DEFINE(USE_PIPES)
 235         ;;
 236 *-*-sysv5*)
 237         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 238         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 239 #       enable_suid_ssh=no
 240         AC_DEFINE(USE_PIPES)
 241         ;;
 242 *-*-sysv*)
 243         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 244         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 245         ;;
 246 *-*-sco3.2v4*)
 247         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 248         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 249         LIBS="$LIBS -los -lprot -lx -ltinfo -lm"
 250         rsh_path="/usr/bin/rcmd"
 251         RANLIB=true
 252         no_dev_ptmx=1
 253         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 254         AC_DEFINE(USE_PIPES)
 255         AC_DEFINE(HAVE_SECUREWARE)
 256         AC_DEFINE(DISABLE_SHADOW)
 257         AC_DEFINE(BROKEN_SAVED_UIDS)
 258         AC_CHECK_FUNCS(getluid setluid)
 259         MANTYPE=man
 260         do_sco3_extra_lib_check=yes
 261         ;;
 262 *-*-sco3.2v5*)
 263         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 264         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 265         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 266         no_dev_ptmx=1
 267         rsh_path="/usr/bin/rcmd"
 268         AC_DEFINE(USE_PIPES)
 269         AC_DEFINE(HAVE_SECUREWARE)
 270         AC_DEFINE(DISABLE_SHADOW)
 271         AC_CHECK_FUNCS(getluid setluid)
 272         MANTYPE=man
 273         ;;
 274 *-*-unicos*)
 275         no_libsocket=1
 276         no_libnsl=1
 277         AC_DEFINE(USE_PIPES)
 278         LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal,-L/usr/local/lib"
 279         LIBS="$LIBS -lgen -lrsc"
 280         ;;
 281 *-dec-osf*)
 282         AC_MSG_CHECKING(for Digital Unix SIA)
 283         no_osfsia=""
 284         AC_ARG_WITH(osfsia,
 285                 [  --with-osfsia           Enable Digital Unix SIA],
 286                 [
 287                         if test "x$withval" = "xno" ; then
 288                                 AC_MSG_RESULT(disabled)
 289                                 no_osfsia=1
 290                         fi
 291                 ],
 292         )
 293         if test -z "$no_osfsia" ; then
 294                 if test -f /etc/sia/matrix.conf; then
 295                         AC_MSG_RESULT(yes)
 296                         AC_DEFINE(HAVE_OSF_SIA)
 297                         AC_DEFINE(DISABLE_LOGIN)
 298                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 299                 else
 300                         AC_MSG_RESULT(no)
 301                 fi
 302         fi
 303         ;;
 304
 305 *-*-nto-qnx)
 306         AC_DEFINE(USE_PIPES)
 307         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 308         AC_DEFINE(MISSING_NFDBITS)
 309         AC_DEFINE(MISSING_HOWMANY)
 310         AC_DEFINE(MISSING_FD_MASK)
 311         ;;
 312 esac
 313
 314 # Allow user to specify flags
 315 AC_ARG_WITH(cflags,
 316         [  --with-cflags           Specify additional flags to pass to compiler],
 317         [
 318                 if test "x$withval" != "xno" ; then
 319                         CFLAGS="$CFLAGS $withval"
 320                 fi
 321         ]
 322 )
 323 AC_ARG_WITH(cppflags,
 324         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 325         [
 326                 if test "x$withval" != "xno"; then
 327                         CPPFLAGS="$CPPFLAGS $withval"
 328                 fi
 329         ]
 330 )
 331 AC_ARG_WITH(ldflags,
 332         [  --with-ldflags          Specify additional flags to pass to linker],
 333         [
 334                 if test "x$withval" != "xno" ; then
 335                         LDFLAGS="$LDFLAGS $withval"
 336                 fi
 337         ]
 338 )
 339 AC_ARG_WITH(libs,
 340         [  --with-libs             Specify additional libraries to link with],
 341         [
 342                 if test "x$withval" != "xno" ; then
 343                         LIBS="$LIBS $withval"
 344                 fi
 345         ]
 346 )
 347
 348 # Checks for header files.
 349 AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \
 350         getopt.h glob.h lastlog.h limits.h login.h \
 351         login_cap.h maillock.h netdb.h netgroup.h \
 352         netinet/in_systm.h paths.h pty.h readpassphrase.h \
 353         rpc/types.h security/pam_appl.h shadow.h stddef.h stdint.h \
 354         strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
 355         sys/mman.h sys/select.h sys/stat.h \
 356         sys/stropts.h sys/sysmacros.h sys/time.h \
 357         sys/un.h time.h ttyent.h usersec.h \
 358         util.h utime.h utmp.h utmpx.h)
 359
 360 # Checks for libraries.
 361 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
 362 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
 363
 364 dnl SCO OS3 needs this for libwrap
 365 if test "x$with_tcp_wrappers" != "xno" ; then
 366     if test "x$do_sco3_extra_lib_check" = "xyes" ; then
 367         AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 368     fi
 369 fi
 370
 371 AC_CHECK_FUNC(getspnam, ,
 372         AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
 373
 374 AC_ARG_WITH(rpath,
 375         [  --without-rpath         Disable auto-added -R linker paths],
 376         [
 377                 if test "x$withval" = "xno" ; then
 378                         need_dash_r=""
 379                 fi
 380                 if test "x$withval" = "xyes" ; then
 381                         need_dash_r=1
 382                 fi
 383         ]
 384 )
 385
 386 dnl zlib is required
 387 AC_ARG_WITH(zlib,
 388         [  --with-zlib=PATH        Use zlib in PATH],
 389         [
 390                 if test "x$withval" = "xno" ; then
 391                         AC_MSG_ERROR([*** zlib is required ***])
 392                 fi
 393                 if test -d "$withval/lib"; then
 394                         if test -n "${need_dash_r}"; then
 395                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 396                         else
 397                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 398                         fi
 399                 else
 400                         if test -n "${need_dash_r}"; then
 401                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 402                         else
 403                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 404                         fi
 405                 fi
 406                 if test -d "$withval/include"; then
 407                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 408                 else
 409                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 410                 fi
 411         ]
 412 )
 413
 414 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 415
 416 dnl UnixWare 2.x
 417 AC_CHECK_FUNC(strcasecmp,
 418         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 419 )
 420 AC_CHECK_FUNC(utimes,
 421         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 422 )
 423
 424 dnl    Checks for libutil functions
 425 AC_CHECK_HEADERS(libutil.h)
 426 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN)])
 427 AC_CHECK_FUNCS(logout updwtmp logwtmp)
 428
 429 AC_FUNC_STRFTIME
 430
 431 # Check for ALTDIRFUNC glob() extension
 432 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 433 AC_EGREP_CPP(FOUNDIT,
 434         [
 435                 #include <glob.h>
 436                 #ifdef GLOB_ALTDIRFUNC
 437                 FOUNDIT
 438                 #endif
 439         ],
 440         [
 441                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 442                 AC_MSG_RESULT(yes)
 443         ],
 444         [
 445                 AC_MSG_RESULT(no)
 446         ]
 447 )
 448
 449 # Check for g.gl_matchc glob() extension
 450 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 451 AC_EGREP_CPP(FOUNDIT,
 452         [
 453                 #include <glob.h>
 454                 int main(void){glob_t g; g.gl_matchc = 1;}
 455         ],
 456         [
 457                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 458                 AC_MSG_RESULT(yes)
 459         ],
 460         [
 461                 AC_MSG_RESULT(no)
 462         ]
 463 )
 464
 465 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 466 AC_TRY_RUN(
 467         [
 468 #include <sys/types.h>
 469 #include <dirent.h>
 470 int main(void){struct dirent d;return(sizeof(d.d_name)<=sizeof(char));}
 471         ],
 472         [AC_MSG_RESULT(yes)],
 473         [
 474                 AC_MSG_RESULT(no)
 475                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 476         ]
 477 )
 478
 479 # Check whether the user wants GSI (Globus) support
 480 gsi_path="no"
 481 AC_ARG_WITH(gsi,
 482         [  --with-gsi=PATH         Enable GSI/Globus authentication support],
 483         [
 484                 gsi_path="$withval"
 485         ]
 486 )
 487
 488 AC_ARG_WITH(globus,
 489         [  --with-globus=PATH      Enable GSI/Globus authentication support],
 490         [
 491                 gsi_path="$withval"
 492         ]
 493 )
 494
 495 # Check whether the user has a Globus flavor type
 496 globus_flavor_type="no"
 497 AC_ARG_WITH(globus-flavor,
 498         [  --with-globus-flavor=TYPE         Describe Globus flavor type (ex: gcc32dbg, etc.)],
 499         [
 500                 globus_flavor_type="$withval"
 501         ]
 502 )
 503
 504 if test "x$gsi_path" != "xno" ; then
 505         # Globus GSSAPI configuration
 506         AC_DEFINE(GSSAPI)
 507         AC_DEFINE(GSI)
 508
 509         # Find GLOBUS/GSI installation Directory
 510         AC_MSG_CHECKING(for Globus/GSI installation directory)
 511
 512         globus_install_dir=$gsi_path
 513
 514         if test "x$globus_install_dir" = "xyes" ; then
 515                 AC_MSG_ERROR(Cannot find Globus/GSI installation directory -- a path must be specified!)
 516         fi
 517         AC_MSG_RESULT($globus_install_dir)
 518
 519         # Find GLOBUS/GSI development directory
 520         AC_MSG_CHECKING(for Globus/GSI development directory)
 521
 522         if test -d ${globus_install_dir}/lib ; then
 523                 # Looks like a flat directory structure from configure/make
 524                 # and not globus-install or gsi-install
 525                 globus_dev_dir=$globus_install_dir
 526
 527         else
 528                 # Assume a true globus installation with architecture
 529                 # directories and run globus-development-path to find
 530                 # the development directory
 531
 532                 # Set GLOBUS_INSTALL_PATH
 533                 GLOBUS_INSTALL_PATH=$globus_install_dir
 534                 export GLOBUS_INSTALL_PATH
 535
 536                 dev_path_program=${globus_install_dir}/bin/globus-development-path
 537
 538                 if test ! -x ${dev_path_program} ; then
 539                         AC_MSG_ERROR(Cannot find Globus/GSI installation directory: program ${dev_path_program} does not exist or is not executable)
 540                 fi
 541
 542                 globus_dev_dir=`${dev_path_program}`
 543
 544                 if test -z "$globus_dev_dir" -o "X$globus_dev_dir" = "X<not found>" ; then
 545                         AC_MSG_ERROR(Cannot find Globus/GSI development directory)
 546                 fi
 547
 548                 if test ! -d "$globus_dev_dir" ; then
 549                         AC_MSG_ERROR(Cannot find Globus/GSI development directory: $globus_dev_dir does not exist)
 550                 fi
 551         fi
 552         AC_MSG_RESULT($globus_dev_dir)
 553
 554         # Find GLOBUS/GSI flavor Directory
 555         AC_MSG_CHECKING(for Globus flavor type)
 556
 557         if test "x$globus_flavor_type" = "xno" ; then
 558                 GSI_LIBS="-lglobus_gss_assist -lglobus_gss -lglobus_gaa"
 559                 GSI_LDFLAGS="-L${globus_dev_dir}/lib"
 560                 GSI_CFLAGS="-I${globus_dev_dir}/include"
 561                 AC_MSG_RESULT(none)
 562         else
 563                 GLOBUS_FLAVOR_TYPE_INCL_DIR="${globus_dev_dir}/include/${globus_flavor_type}"
 564
 565                 if test ! -d "$GLOBUS_FLAVOR_TYPE_INCL_DIR" ; then
 566                         AC_MSG_ERROR(Cannot find Globus flavor-specific include directory: ${GLOBUS_FLAVOR_TYPE_INCL_DIR})
 567                 fi
 568
 569                 AC_MSG_RESULT($globus_flavor_type)
 570                 GSI_LIBS="${gsi_path}/lib/libglobus_gss_assist_${globus_flavor_type}.a ${gsi_path}/lib/libglobus_gssapi_gsi_${globus_flavor_type}.a"
 571                 GSI_CFLAGS="-I${GLOBUS_FLAVOR_TYPE_INCL_DIR}"
 572         fi
 573
 574         LIBS="$LIBS $GSI_LIBS"
 575         LDFLAGS="$LDFLAGS $GSI_LDFLAGS"
 576         CFLAGS="$CFLAGS $GSI_CFLAGS"
 577 # End Globus/GSI section
 578 fi
 579
 580 # Check whether user wants S/Key support
 581 SKEY_MSG="no"
 582 AC_ARG_WITH(skey,
 583         [  --with-skey[[=PATH]]      Enable S/Key support
 584                             (optionally in PATH)],
 585         [
 586                 if test "x$withval" != "xno" ; then
 587
 588                         if test "x$withval" != "xyes" ; then
 589                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 590                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 591                         fi
 592
 593                         AC_DEFINE(SKEY)
 594                         LIBS="-lskey $LIBS"
 595                         SKEY_MSG="yes"
 596
 597                         AC_MSG_CHECKING([for s/key support])
 598                         AC_TRY_RUN(
 599                                 [
 600 #include <stdio.h>
 601 #include <skey.h>
 602 int main() { char *ff = skey_keyinfo(""); ff=""; return 0; }
 603                                 ],
 604                                 [AC_MSG_RESULT(yes)],
 605                                 [
 606                                         AC_MSG_RESULT(no)
 607                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 608                                 ])
 609                 fi
 610         ]
 611 )
 612
 613 # Check whether user wants TCP wrappers support
 614 TCPW_MSG="no"
 615 AC_ARG_WITH(tcp-wrappers,
 616         [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
 617                             (optionally in PATH)],
 618         [
 619                 if test "x$withval" != "xno" ; then
 620                         saved_LIBS="$LIBS"
 621                         saved_LDFLAGS="$LDFLAGS"
 622                         saved_CPPFLAGS="$CPPFLAGS"
 623                         if test -n "${withval}" -a "${withval}" != "yes"; then
 624                                 if test -d "${withval}/lib"; then
 625                                         if test -n "${need_dash_r}"; then
 626                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 627                                         else
 628                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 629                                         fi
 630                                 else
 631                                         if test -n "${need_dash_r}"; then
 632                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 633                                         else
 634                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 635                                         fi
 636                                 fi
 637                                 if test -d "${withval}/include"; then
 638                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 639                                 else
 640                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 641                                 fi
 642                         fi
 643                         LIBWRAP="-lwrap"
 644                         LIBS="$LIBWRAP $LIBS"
 645                         AC_MSG_CHECKING(for libwrap)
 646                         AC_TRY_LINK(
 647                                 [
 648 #include <tcpd.h>
 649                                         int deny_severity = 0, allow_severity = 0;
 650                                 ],
 651                                 [hosts_access(0);],
 652                                 [
 653                                         AC_MSG_RESULT(yes)
 654                                         AC_DEFINE(LIBWRAP)
 655                                         AC_SUBST(LIBWRAP)
 656                                         TCPW_MSG="yes"
 657                                 ],
 658                                 [
 659                                         AC_MSG_ERROR([*** libwrap missing])
 660                                 ]
 661                         )
 662                         LIBS="$saved_LIBS"
 663                 fi
 664         ]
 665 )
 666
 667 dnl    Checks for library functions.
 668 AC_CHECK_FUNCS(arc4random b64_ntop bcopy bindresvport_sa \
 669         clock fchmod fchown freeaddrinfo futimes gai_strerror \
 670         getaddrinfo getcwd getgrouplist getnameinfo getopt \
 671         getrlimit getrusage getttyent glob inet_aton inet_ntoa \
 672         inet_ntop innetgr login_getcapbool md5_crypt memmove \
 673         mkdtemp mmap ngetaddrinfo openpty ogetaddrinfo readpassphrase \
 674         realpath recvmsg rresvport_af sendmsg setdtablesize setegid \
 675         setenv seteuid setlogin setproctitle setresgid setreuid setrlimit \
 676         setsid setvbuf sigaction sigvec snprintf socketpair strerror \
 677         strlcat strlcpy strmode strsep sysconf tcgetpgrp truncate utimes \
 678         vhangup vsnprintf waitpid __b64_ntop _getpty)
 679
 680 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 681 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 682         AC_CHECK_LIB(gen, dirname,[
 683                 AC_CACHE_CHECK([for broken dirname],
 684                         ac_cv_have_broken_dirname, [
 685                         save_LIBS="$LIBS"
 686                         LIBS="$LIBS -lgen"
 687                         AC_TRY_RUN(
 688                                 [
 689 #include <libgen.h>
 690 #include <string.h>
 691
 692 int main(int argc, char **argv) {
 693     char *s, buf[32];
 694
 695     strncpy(buf,"/etc", 32);
 696     s = dirname(buf);
 697     if (!s || strncmp(s, "/", 32) != 0) {
 698         exit(1);
 699     } else {
 700         exit(0);
 701     }
 702 }
 703                                 ],
 704                                 [ ac_cv_have_broken_dirname="no" ],
 705                                 [ ac_cv_have_broken_dirname="yes" ]
 706                         )
 707                         LIBS="$save_LIBS"
 708                 ])
 709                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 710                         LIBS="$LIBS -lgen"
 711                         AC_DEFINE(HAVE_DIRNAME)
 712                         AC_CHECK_HEADERS(libgen.h)
 713                 fi
 714         ])
 715 ])
 716
 717 dnl    Checks for time functions
 718 AC_CHECK_FUNCS(gettimeofday time)
 719 dnl    Checks for utmp functions
 720 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 721 AC_CHECK_FUNCS(utmpname)
 722 dnl    Checks for utmpx functions
 723 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 724 AC_CHECK_FUNCS(setutxent utmpxname)
 725
 726 AC_CHECK_FUNC(getuserattr,
 727         [AC_DEFINE(HAVE_GETUSERATTR)],
 728         [AC_CHECK_LIB(s, getuserattr, [LIBS="$LIBS -ls"; AC_DEFINE(HAVE_GETUSERATTR)])]
 729 )
 730
 731 AC_CHECK_FUNC(daemon,
 732         [AC_DEFINE(HAVE_DAEMON)],
 733         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 734 )
 735
 736 AC_CHECK_FUNC(getpagesize,
 737         [AC_DEFINE(HAVE_GETPAGESIZE)],
 738         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 739 )
 740
 741 # Check for broken snprintf
 742 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 743         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 744         AC_TRY_RUN(
 745                 [
 746 #include <stdio.h>
 747 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 748                 ],
 749                 [AC_MSG_RESULT(yes)],
 750                 [
 751                         AC_MSG_RESULT(no)
 752                         AC_DEFINE(BROKEN_SNPRINTF)
 753                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 754                 ]
 755         )
 756 fi
 757
 758 AC_FUNC_GETPGRP
 759
 760 # Check for PAM libs
 761 PAM_MSG="no"
 762 AC_ARG_WITH(pam,
 763         [  --with-pam              Enable PAM support ],
 764         [
 765                 if test "x$withval" != "xno" ; then
 766                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 767                                 AC_MSG_ERROR([PAM headers not found])
 768                         fi
 769
 770                         AC_CHECK_LIB(dl, dlopen, , )
 771                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 772                         AC_CHECK_FUNCS(pam_getenvlist)
 773                         AC_CHECK_FUNCS(pam_putenv)
 774
 775                         disable_shadow=yes
 776                         PAM_MSG="yes"
 777
 778                         AC_DEFINE(USE_PAM)
 779                         if test $ac_cv_lib_dl_dlopen = yes; then
 780                                 LIBPAM="-lpam -ldl"
 781                         else
 782                                 LIBPAM="-lpam"
 783                         fi
 784                         AC_SUBST(LIBPAM)
 785                 fi
 786         ]
 787 )
 788
 789 # Check for older PAM
 790 if test "x$PAM_MSG" = "xyes" ; then
 791         # Check PAM strerror arguments (old PAM)
 792         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 793         AC_TRY_COMPILE(
 794                 [
 795 #include <stdlib.h>
 796 #include <security/pam_appl.h>
 797                 ],
 798                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 799                 [AC_MSG_RESULT(no)],
 800                 [
 801                         AC_DEFINE(HAVE_OLD_PAM)
 802                         AC_MSG_RESULT(yes)
 803                         PAM_MSG="yes (old library)"
 804                 ]
 805         )
 806 fi
 807
 808 # Search for OpenSSL
 809 saved_CPPFLAGS="$CPPFLAGS"
 810 saved_LDFLAGS="$LDFLAGS"
 811 AC_ARG_WITH(ssl-dir,
 812         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 813         [
 814                 if test "x$withval" != "xno" ; then
 815                         if test -d "$withval/lib"; then
 816                                 if test -n "${need_dash_r}"; then
 817                                         LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 818                                 else
 819                                         LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 820                                 fi
 821                         else
 822                                 if test -n "${need_dash_r}"; then
 823                                         LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 824                                 else
 825                                         LDFLAGS="-L${withval} ${LDFLAGS}"
 826                                 fi
 827                         fi
 828                         if test -d "$withval/include"; then
 829                                 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 830                         else
 831                                 CPPFLAGS="-I${withval} ${CPPFLAGS}"
 832                         fi
 833                 fi
 834         ]
 835 )
 836
 837 # Patch up SSL libraries for GSI authentication as needed
 838 if test "x$globus_flavor_type" != "xno" ; then
 839         # For Globus 2, always link with the static libraries
 840         LIBS="$LIBS ${gsi_path}/lib/libglobus_ssl_utils_${globus_flavor_type}.a ${gsi_path}/lib/libssl_${globus_flavor_type}.a ${gsi_path}/lib/libcrypto_${globus_flavor_type}.a"
 841 else
 842         if test "x$gsi_path" != "xno" ; then
 843                 # Older GSI needs -lssl too
 844                 LIBS="$LIBS -lssl -lcrypto"
 845         else # if no GSI authentication (i.e., OpenSSL default)
 846                 LIBS="$LIBS -lcrypto"
 847         fi
 848 fi # globus_flavor_type
 849
 850 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 851         [
 852                 dnl Check default openssl install dir
 853                 if test -n "${need_dash_r}"; then
 854                         LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
 855                 else
 856                         LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
 857                 fi
 858                 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
 859                 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 860                         [
 861                                 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
 862                         ]
 863                 )
 864         ]
 865 )
 866
 867
 868 # Sanity check OpenSSL headers
 869 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
 870 AC_TRY_RUN(
 871         [
 872 #include <string.h>
 873 #include <openssl/opensslv.h>
 874 int main(void) { return(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
 875         ],
 876         [
 877                 AC_MSG_RESULT(yes)
 878         ],
 879         [
 880                 AC_MSG_RESULT(no)
 881                 AC_MSG_ERROR(Your OpenSSL headers do not match your library)
 882         ]
 883 )
 884
 885 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 886 # version in OpenSSL. Skip this for PAM
 887 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 888         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 889 fi
 890
 891
 892 ### Configure cryptographic random number support
 893
 894 # Check wheter OpenSSL seeds itself
 895 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
 896 AC_TRY_RUN(
 897         [
 898 #include <string.h>
 899 #include <openssl/rand.h>
 900 int main(void) { return(RAND_status() == 1 ? 0 : 1); }
 901         ],
 902         [
 903                 OPENSSL_SEEDS_ITSELF=yes
 904                 AC_MSG_RESULT(yes)
 905         ],
 906         [
 907                 AC_MSG_RESULT(no)
 908                 # Default to use of the rand helper if OpenSSL doesn't
 909                 # seed itself
 910                 USE_RAND_HELPER=yes
 911         ]
 912 )
 913
 914
 915 # Do we want to force the use of the rand helper?
 916 AC_ARG_WITH(rand-helper,
 917         [  --with-rand-helper      Use subprocess to gather strong randomness ],
 918         [
 919                 if test "x$withval" = "xno" ; then
 920                         # Force use of OpenSSL's internal RNG, even if
 921                         # the previous test showed it to be unseeded.
 922                         if test -z "$OPENSSL_SEEDS_ITSELF" ; then
 923                                 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
 924                                 OPENSSL_SEEDS_ITSELF=yes
 925                                 USE_RAND_HELPER=""
 926                         fi
 927                 else
 928                         USE_RAND_HELPER=yes
 929                 fi
 930         ],
 931 )
 932
 933 # Which randomness source do we use?
 934 if test ! -z "$OPENSSL_SEEDS_ITSELF" -a -z "$USE_RAND_HELPER" ; then
 935         # OpenSSL only
 936         AC_DEFINE(OPENSSL_PRNG_ONLY)
 937         RAND_MSG="OpenSSL internal ONLY"
 938         INSTALL_SSH_RAND_HELPER=""
 939 elif test ! -z "$USE_RAND_HELPER" ; then
 940         # install rand helper
 941         RAND_MSG="ssh-rand-helper"
 942         INSTALL_SSH_RAND_HELPER="yes"
 943 fi
 944 AC_SUBST(INSTALL_SSH_RAND_HELPER)
 945
 946 ### Configuration of ssh-rand-helper
 947
 948 # PRNGD TCP socket
 949 AC_ARG_WITH(prngd-port,
 950         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD TCP localhost:PORT],
 951         [
 952                 case "$withval" in
 953                 no)
 954                         withval=""
 955                         ;;
 956                 [[0-9]]*)
 957                         ;;
 958                 *)
 959                         AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
 960                         ;;
 961                 esac
 962                 if test ! -z "$withval" ; then
 963                         PRNGD_PORT="$withval"
 964                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
 965                 fi
 966         ]
 967 )
 968
 969 # PRNGD Unix domain socket
 970 AC_ARG_WITH(prngd-socket,
 971         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
 972         [
 973                 case "$withval" in
 974                 yes)
 975                         withval="/var/run/egd-pool"
 976                         ;;
 977                 no)
 978                         withval=""
 979                         ;;
 980                 /*)
 981                         ;;
 982                 *)
 983                         AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
 984                         ;;
 985                 esac
 986
 987                 if test ! -z "$withval" ; then
 988                         if test ! -z "$PRNGD_PORT" ; then
 989                                 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
 990                         fi
 991                         if test ! -r "$withval" ; then
 992                                 AC_MSG_WARN(Entropy socket is not readable)
 993                         fi
 994                         PRNGD_SOCKET="$withval"
 995                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
 996                 fi
 997         ],
 998         [
 999                 # Check for existing socket only if we don't have a random device already
1000                 if test "$USE_RAND_HELPER" = yes ; then
1001                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1002                         # Insert other locations here
1003                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1004                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1005                                         PRNGD_SOCKET="$sock"
1006                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1007                                         break;
1008                                 fi
1009                         done
1010                         if test ! -z "$PRNGD_SOCKET" ; then
1011                                 AC_MSG_RESULT($PRNGD_SOCKET)
1012                         else
1013                                 AC_MSG_RESULT(not found)
1014                         fi
1015                 fi
1016         ]
1017 )
1018
1019 # Change default command timeout for hashing entropy source
1020 entropy_timeout=200
1021 AC_ARG_WITH(entropy-timeout,
1022         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1023         [
1024                 if test "x$withval" != "xno" ; then
1025                         entropy_timeout=$withval
1026                 fi
1027         ]
1028 )
1029 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1030
1031 ssh_privsep_user=sshd
1032 AC_ARG_WITH(privsep-user,
1033         [  --with-privsep-user=user Specify non-privileged user for privilege separation],
1034         [
1035                 if test -n "$withval"; then
1036                         ssh_privsep_user=$withval
1037                 fi
1038         ]
1039 )
1040 AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$ssh_privsep_user")
1041
1042 # We do this little dance with the search path to insure
1043 # that programs that we select for use by installed programs
1044 # (which may be run by the super-user) come from trusted
1045 # locations before they come from the user's private area.
1046 # This should help avoid accidentally configuring some
1047 # random version of a program in someone's personal bin.
1048
1049 OPATH=$PATH
1050 PATH=/bin:/usr/bin
1051 test -h /bin 2> /dev/null && PATH=/usr/bin
1052 test -d /sbin && PATH=$PATH:/sbin
1053 test -d /usr/sbin && PATH=$PATH:/usr/sbin
1054 PATH=$PATH:/etc:$OPATH
1055
1056 # These programs are used by the command hashing source to gather entropy
1057 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1058 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1059 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1060 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1061 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
1062 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1063 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
1064 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1065 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1066 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1067 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1068 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1069 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1070 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1071 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1072 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1073 # restore PATH
1074 PATH=$OPATH
1075
1076 # Where does ssh-rand-helper get its randomness from?
1077 INSTALL_SSH_PRNG_CMDS=""
1078 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
1079         if test ! -z "$PRNGD_PORT" ; then
1080                 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
1081         elif test ! -z "$PRNGD_SOCKET" ; then
1082                 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
1083         else
1084                 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
1085                 RAND_HELPER_CMDHASH=yes
1086                 INSTALL_SSH_PRNG_CMDS="yes"
1087         fi
1088 fi
1089 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1090
1091
1092 # Cheap hack to ensure NEWS-OS libraries are arranged right.
1093 if test ! -z "$SONY" ; then
1094   LIBS="$LIBS -liberty";
1095 fi
1096
1097 # Checks for data types
1098 AC_CHECK_SIZEOF(char, 1)
1099 AC_CHECK_SIZEOF(short int, 2)
1100 AC_CHECK_SIZEOF(int, 4)
1101 AC_CHECK_SIZEOF(long int, 4)
1102 AC_CHECK_SIZEOF(long long int, 8)
1103
1104 # Sanity check long long for some platforms (AIX)
1105 if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
1106         ac_cv_sizeof_long_long_int=0
1107 fi
1108
1109 # More checks for data types
1110 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
1111         AC_TRY_COMPILE(
1112                 [ #include <sys/types.h> ],
1113                 [ u_int a; a = 1;],
1114                 [ ac_cv_have_u_int="yes" ],
1115                 [ ac_cv_have_u_int="no" ]
1116         )
1117 ])
1118 if test "x$ac_cv_have_u_int" = "xyes" ; then
1119         AC_DEFINE(HAVE_U_INT)
1120         have_u_int=1
1121 fi
1122
1123 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
1124         AC_TRY_COMPILE(
1125                 [ #include <sys/types.h> ],
1126                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1127                 [ ac_cv_have_intxx_t="yes" ],
1128                 [ ac_cv_have_intxx_t="no" ]
1129         )
1130 ])
1131 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
1132         AC_DEFINE(HAVE_INTXX_T)
1133         have_intxx_t=1
1134 fi
1135
1136 if (test -z "$have_intxx_t" && \
1137            test "x$ac_cv_header_stdint_h" = "xyes")
1138 then
1139     AC_MSG_CHECKING([for intXX_t types in stdint.h])
1140         AC_TRY_COMPILE(
1141                 [ #include <stdint.h> ],
1142                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1143                 [
1144                         AC_DEFINE(HAVE_INTXX_T)
1145                         AC_MSG_RESULT(yes)
1146                 ],
1147                 [ AC_MSG_RESULT(no) ]
1148         )
1149 fi
1150
1151 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
1152         AC_TRY_COMPILE(
1153                 [ #include <sys/types.h> ],
1154                 [ int64_t a; a = 1;],
1155                 [ ac_cv_have_int64_t="yes" ],
1156                 [ ac_cv_have_int64_t="no" ]
1157         )
1158 ])
1159 if test "x$ac_cv_have_int64_t" = "xyes" ; then
1160         AC_DEFINE(HAVE_INT64_T)
1161         have_int64_t=1
1162 fi
1163
1164 if test -z "$have_int64_t" ; then
1165     AC_MSG_CHECKING([for int64_t type in sys/socket.h])
1166         AC_TRY_COMPILE(
1167                 [ #include <sys/socket.h> ],
1168                 [ int64_t a; a = 1],
1169                 [
1170                         AC_DEFINE(HAVE_INT64_T)
1171                         AC_MSG_RESULT(yes)
1172                 ],
1173                 [ AC_MSG_RESULT(no) ]
1174         )
1175 fi
1176
1177 if test -z "$have_int64_t" ; then
1178     AC_MSG_CHECKING([for int64_t type in sys/bitypes.h])
1179         AC_TRY_COMPILE(
1180                 [ #include <sys/bitypes.h> ],
1181                 [ int64_t a; a = 1],
1182                 [
1183                         AC_DEFINE(HAVE_INT64_T)
1184                         AC_MSG_RESULT(yes)
1185                 ],
1186                 [ AC_MSG_RESULT(no) ]
1187         )
1188 fi
1189
1190 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
1191         AC_TRY_COMPILE(
1192                 [ #include <sys/types.h> ],
1193                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1194                 [ ac_cv_have_u_intxx_t="yes" ],
1195                 [ ac_cv_have_u_intxx_t="no" ]
1196         )
1197 ])
1198 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
1199         AC_DEFINE(HAVE_U_INTXX_T)
1200         have_u_intxx_t=1
1201 fi
1202
1203 if test -z "$have_u_intxx_t" ; then
1204     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
1205         AC_TRY_COMPILE(
1206                 [ #include <sys/socket.h> ],
1207                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1208                 [
1209                         AC_DEFINE(HAVE_U_INTXX_T)
1210                         AC_MSG_RESULT(yes)
1211                 ],
1212                 [ AC_MSG_RESULT(no) ]
1213         )
1214 fi
1215
1216 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
1217         AC_TRY_COMPILE(
1218                 [ #include <sys/types.h> ],
1219                 [ u_int64_t a; a = 1;],
1220                 [ ac_cv_have_u_int64_t="yes" ],
1221                 [ ac_cv_have_u_int64_t="no" ]
1222         )
1223 ])
1224 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
1225         AC_DEFINE(HAVE_U_INT64_T)
1226         have_u_int64_t=1
1227 fi
1228
1229 if test -z "$have_u_int64_t" ; then
1230     AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
1231         AC_TRY_COMPILE(
1232                 [ #include <sys/bitypes.h> ],
1233                 [ u_int64_t a; a = 1],
1234                 [
1235                         AC_DEFINE(HAVE_U_INT64_T)
1236                         AC_MSG_RESULT(yes)
1237                 ],
1238                 [ AC_MSG_RESULT(no) ]
1239         )
1240 fi
1241
1242 if test -z "$have_u_intxx_t" ; then
1243         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
1244                 AC_TRY_COMPILE(
1245                         [
1246 #include <sys/types.h>
1247                         ],
1248                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
1249                         [ ac_cv_have_uintxx_t="yes" ],
1250                         [ ac_cv_have_uintxx_t="no" ]
1251                 )
1252         ])
1253         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
1254                 AC_DEFINE(HAVE_UINTXX_T)
1255         fi
1256 fi
1257
1258 if test -z "$have_uintxx_t" ; then
1259     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
1260         AC_TRY_COMPILE(
1261                 [ #include <stdint.h> ],
1262                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
1263                 [
1264                         AC_DEFINE(HAVE_UINTXX_T)
1265                         AC_MSG_RESULT(yes)
1266                 ],
1267                 [ AC_MSG_RESULT(no) ]
1268         )
1269 fi
1270
1271 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
1272            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
1273 then
1274         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
1275         AC_TRY_COMPILE(
1276                 [
1277 #include <sys/bitypes.h>
1278                 ],
1279                 [
1280                         int8_t a; int16_t b; int32_t c;
1281                         u_int8_t e; u_int16_t f; u_int32_t g;
1282                         a = b = c = e = f = g = 1;
1283                 ],
1284                 [
1285                         AC_DEFINE(HAVE_U_INTXX_T)
1286                         AC_DEFINE(HAVE_INTXX_T)
1287                         AC_MSG_RESULT(yes)
1288                 ],
1289                 [AC_MSG_RESULT(no)]
1290         )
1291 fi
1292
1293
1294 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
1295         AC_TRY_COMPILE(
1296                 [
1297 #include <sys/types.h>
1298                 ],
1299                 [ u_char foo; foo = 125; ],
1300                 [ ac_cv_have_u_char="yes" ],
1301                 [ ac_cv_have_u_char="no" ]
1302         )
1303 ])
1304 if test "x$ac_cv_have_u_char" = "xyes" ; then
1305         AC_DEFINE(HAVE_U_CHAR)
1306 fi
1307
1308 TYPE_SOCKLEN_T
1309
1310 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
1311
1312 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
1313         AC_TRY_COMPILE(
1314                 [
1315 #include <sys/types.h>
1316                 ],
1317                 [ size_t foo; foo = 1235; ],
1318                 [ ac_cv_have_size_t="yes" ],
1319                 [ ac_cv_have_size_t="no" ]
1320         )
1321 ])
1322 if test "x$ac_cv_have_size_t" = "xyes" ; then
1323         AC_DEFINE(HAVE_SIZE_T)
1324 fi
1325
1326 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
1327         AC_TRY_COMPILE(
1328                 [
1329 #include <sys/types.h>
1330                 ],
1331                 [ ssize_t foo; foo = 1235; ],
1332                 [ ac_cv_have_ssize_t="yes" ],
1333                 [ ac_cv_have_ssize_t="no" ]
1334         )
1335 ])
1336 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
1337         AC_DEFINE(HAVE_SSIZE_T)
1338 fi
1339
1340 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
1341         AC_TRY_COMPILE(
1342                 [
1343 #include <time.h>
1344                 ],
1345                 [ clock_t foo; foo = 1235; ],
1346                 [ ac_cv_have_clock_t="yes" ],
1347                 [ ac_cv_have_clock_t="no" ]
1348         )
1349 ])
1350 if test "x$ac_cv_have_clock_t" = "xyes" ; then
1351         AC_DEFINE(HAVE_CLOCK_T)
1352 fi
1353
1354 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
1355         AC_TRY_COMPILE(
1356                 [
1357 #include <sys/types.h>
1358 #include <sys/socket.h>
1359                 ],
1360                 [ sa_family_t foo; foo = 1235; ],
1361                 [ ac_cv_have_sa_family_t="yes" ],
1362                 [ AC_TRY_COMPILE(
1363                   [
1364 #include <sys/types.h>
1365 #include <sys/socket.h>
1366 #include <netinet/in.h>
1367                 ],
1368                 [ sa_family_t foo; foo = 1235; ],
1369                 [ ac_cv_have_sa_family_t="yes" ],
1370
1371                 [ ac_cv_have_sa_family_t="no" ]
1372         )]
1373         )
1374 ])
1375 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
1376         AC_DEFINE(HAVE_SA_FAMILY_T)
1377 fi
1378
1379 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
1380         AC_TRY_COMPILE(
1381                 [
1382 #include <sys/types.h>
1383                 ],
1384                 [ pid_t foo; foo = 1235; ],
1385                 [ ac_cv_have_pid_t="yes" ],
1386                 [ ac_cv_have_pid_t="no" ]
1387         )
1388 ])
1389 if test "x$ac_cv_have_pid_t" = "xyes" ; then
1390         AC_DEFINE(HAVE_PID_T)
1391 fi
1392
1393 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
1394         AC_TRY_COMPILE(
1395                 [
1396 #include <sys/types.h>
1397                 ],
1398                 [ mode_t foo; foo = 1235; ],
1399                 [ ac_cv_have_mode_t="yes" ],
1400                 [ ac_cv_have_mode_t="no" ]
1401         )
1402 ])
1403 if test "x$ac_cv_have_mode_t" = "xyes" ; then
1404         AC_DEFINE(HAVE_MODE_T)
1405 fi
1406
1407
1408 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
1409         AC_TRY_COMPILE(
1410                 [
1411 #include <sys/types.h>
1412 #include <sys/socket.h>
1413                 ],
1414                 [ struct sockaddr_storage s; ],
1415                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
1416                 [ ac_cv_have_struct_sockaddr_storage="no" ]
1417         )
1418 ])
1419 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
1420         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
1421 fi
1422
1423 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
1424         AC_TRY_COMPILE(
1425                 [
1426 #include <sys/types.h>
1427 #include <netinet/in.h>
1428                 ],
1429                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1430                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1431                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1432         )
1433 ])
1434 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1435         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1436 fi
1437
1438 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1439         AC_TRY_COMPILE(
1440                 [
1441 #include <sys/types.h>
1442 #include <netinet/in.h>
1443                 ],
1444                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1445                 [ ac_cv_have_struct_in6_addr="yes" ],
1446                 [ ac_cv_have_struct_in6_addr="no" ]
1447         )
1448 ])
1449 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1450         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1451 fi
1452
1453 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1454         AC_TRY_COMPILE(
1455                 [
1456 #include <sys/types.h>
1457 #include <sys/socket.h>
1458 #include <netdb.h>
1459                 ],
1460                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1461                 [ ac_cv_have_struct_addrinfo="yes" ],
1462                 [ ac_cv_have_struct_addrinfo="no" ]
1463         )
1464 ])
1465 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1466         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1467 fi
1468
1469 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1470         AC_TRY_COMPILE(
1471                 [ #include <sys/time.h> ],
1472                 [ struct timeval tv; tv.tv_sec = 1;],
1473                 [ ac_cv_have_struct_timeval="yes" ],
1474                 [ ac_cv_have_struct_timeval="no" ]
1475         )
1476 ])
1477 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1478         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1479         have_struct_timeval=1
1480 fi
1481
1482 # If we don't have int64_t then we can't compile sftp-server.  So don't
1483 # even attempt to do it.
1484 if test "x$ac_cv_have_int64_t" = "xno" -a \
1485         "x$ac_cv_sizeof_long_int" != "x8" -a \
1486         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1487         NO_SFTP='#'
1488 else
1489 dnl test snprintf (broken on SCO w/gcc)
1490         AC_TRY_RUN(
1491                 [
1492 #include <stdio.h>
1493 #include <string.h>
1494 #ifdef HAVE_SNPRINTF
1495 main()
1496 {
1497         char buf[50];
1498         char expected_out[50];
1499         int mazsize = 50 ;
1500 #if (SIZEOF_LONG_INT == 8)
1501         long int num = 0x7fffffffffffffff;
1502 #else
1503         long long num = 0x7fffffffffffffffll;
1504 #endif
1505         strcpy(expected_out, "9223372036854775807");
1506         snprintf(buf, mazsize, "%lld", num);
1507         if(strcmp(buf, expected_out) != 0)
1508                 exit(1);
1509         exit(0);
1510 }
1511 #else
1512 main() { exit(0); }
1513 #endif
1514                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1515         )
1516 fi
1517 AC_SUBST(NO_SFTP)
1518
1519 dnl Checks for structure members
1520 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1521 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1522 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1523 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1524 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1525 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1526 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1527 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1528 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1529 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1530 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1531 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1532 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1533 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1534 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1535 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1536 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1537
1538 AC_CHECK_MEMBERS([struct stat.st_blksize])
1539
1540 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1541                 ac_cv_have_ss_family_in_struct_ss, [
1542         AC_TRY_COMPILE(
1543                 [
1544 #include <sys/types.h>
1545 #include <sys/socket.h>
1546                 ],
1547                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1548                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1549                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1550         )
1551 ])
1552 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1553         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1554 fi
1555
1556 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1557                 ac_cv_have___ss_family_in_struct_ss, [
1558         AC_TRY_COMPILE(
1559                 [
1560 #include <sys/types.h>
1561 #include <sys/socket.h>
1562                 ],
1563                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1564                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1565                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1566         )
1567 ])
1568 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1569         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1570 fi
1571
1572 AC_CACHE_CHECK([for pw_class field in struct passwd],
1573                 ac_cv_have_pw_class_in_struct_passwd, [
1574         AC_TRY_COMPILE(
1575                 [
1576 #include <pwd.h>
1577                 ],
1578                 [ struct passwd p; p.pw_class = 0; ],
1579                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1580                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1581         )
1582 ])
1583 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1584         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1585 fi
1586
1587 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1588                 ac_cv_have_pw_expire_in_struct_passwd, [
1589         AC_TRY_COMPILE(
1590                 [
1591 #include <pwd.h>
1592                 ],
1593                 [ struct passwd p; p.pw_expire = 0; ],
1594                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1595                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1596         )
1597 ])
1598 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1599         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1600 fi
1601
1602 AC_CACHE_CHECK([for pw_change field in struct passwd],
1603                 ac_cv_have_pw_change_in_struct_passwd, [
1604         AC_TRY_COMPILE(
1605                 [
1606 #include <pwd.h>
1607                 ],
1608                 [ struct passwd p; p.pw_change = 0; ],
1609                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1610                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1611         )
1612 ])
1613 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1614         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1615 fi
1616
1617 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
1618                 ac_cv_have_accrights_in_msghdr, [
1619         AC_TRY_COMPILE(
1620                 [
1621 #include <sys/types.h>
1622 #include <sys/socket.h>
1623 #include <sys/uio.h>
1624                 ],
1625                 [ struct msghdr m; m.msg_accrights = 0; ],
1626                 [ ac_cv_have_accrights_in_msghdr="yes" ],
1627                 [ ac_cv_have_accrights_in_msghdr="no" ]
1628         )
1629 ])
1630 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
1631         AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
1632 fi
1633
1634 AC_CACHE_CHECK([for msg_control field in struct msghdr],
1635                 ac_cv_have_control_in_msghdr, [
1636         AC_TRY_COMPILE(
1637                 [
1638 #include <sys/types.h>
1639 #include <sys/socket.h>
1640 #include <sys/uio.h>
1641                 ],
1642                 [ struct msghdr m; m.msg_control = 0; ],
1643                 [ ac_cv_have_control_in_msghdr="yes" ],
1644                 [ ac_cv_have_control_in_msghdr="no" ]
1645         )
1646 ])
1647 if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
1648         AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
1649 fi
1650
1651 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1652         AC_TRY_LINK([],
1653                 [ extern char *__progname; printf("%s", __progname); ],
1654                 [ ac_cv_libc_defines___progname="yes" ],
1655                 [ ac_cv_libc_defines___progname="no" ]
1656         )
1657 ])
1658 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1659         AC_DEFINE(HAVE___PROGNAME)
1660 fi
1661
1662 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
1663         AC_TRY_LINK([
1664 #include <stdio.h>
1665 ],
1666                 [ printf("%s", __FUNCTION__); ],
1667                 [ ac_cv_cc_implements___FUNCTION__="yes" ],
1668                 [ ac_cv_cc_implements___FUNCTION__="no" ]
1669         )
1670 ])
1671 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
1672         AC_DEFINE(HAVE___FUNCTION__)
1673 fi
1674
1675 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
1676         AC_TRY_LINK([
1677 #include <stdio.h>
1678 ],
1679                 [ printf("%s", __func__); ],
1680                 [ ac_cv_cc_implements___func__="yes" ],
1681                 [ ac_cv_cc_implements___func__="no" ]
1682         )
1683 ])
1684 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
1685         AC_DEFINE(HAVE___func__)
1686 fi
1687
1688 AC_CACHE_CHECK([whether getopt has optreset support],
1689                 ac_cv_have_getopt_optreset, [
1690         AC_TRY_LINK(
1691                 [
1692 #include <getopt.h>
1693                 ],
1694                 [ extern int optreset; optreset = 0; ],
1695                 [ ac_cv_have_getopt_optreset="yes" ],
1696                 [ ac_cv_have_getopt_optreset="no" ]
1697         )
1698 ])
1699 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
1700         AC_DEFINE(HAVE_GETOPT_OPTRESET)
1701 fi
1702
1703 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1704         AC_TRY_LINK([],
1705                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1706                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1707                 [ ac_cv_libc_defines_sys_errlist="no" ]
1708         )
1709 ])
1710 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1711         AC_DEFINE(HAVE_SYS_ERRLIST)
1712 fi
1713
1714
1715 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1716         AC_TRY_LINK([],
1717                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1718                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1719                 [ ac_cv_libc_defines_sys_nerr="no" ]
1720         )
1721 ])
1722 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1723         AC_DEFINE(HAVE_SYS_NERR)
1724 fi
1725
1726 SCARD_MSG="no"
1727
1728 # Check whether user wants sectok support
1729 AC_ARG_WITH(sectok,
1730         [  --with-sectok           Enable smartcard support using libsectok],
1731         [
1732                 if test "x$withval" != "xno" ; then
1733                         if test "x$withval" != "xyes" ; then
1734                                 CPPFLAGS="$CPPFLAGS -I${withval}"
1735                                 LDFLAGS="$LDFLAGS -L${withval}"
1736                                 if test ! -z "$need_dash_r" ; then
1737                                         LDFLAGS="$LDFLAGS -R${withval}"
1738                                 fi
1739                                 if test ! -z "$blibpath" ; then
1740                                         blibpath="$blibpath:${withval}"
1741                                 fi
1742                         fi
1743                         AC_CHECK_HEADERS(sectok.h)
1744                         if test "$ac_cv_header_sectok_h" != yes; then
1745                                 AC_MSG_ERROR(Can't find sectok.h)
1746                         fi
1747                         AC_CHECK_LIB(sectok, sectok_open)
1748                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
1749                                 AC_MSG_ERROR(Can't find libsectok)
1750                         fi
1751                         AC_DEFINE(SMARTCARD)
1752                         AC_DEFINE(USE_SECTOK)
1753                         SCARD_MSG="yes, using sectok"
1754                 fi
1755         ]
1756 )
1757
1758 # Check whether user wants OpenSC support
1759 AC_ARG_WITH(opensc,
1760         AC_HELP_STRING([--with-opensc=PFX],
1761                        [Enable smartcard support using OpenSC]),
1762         opensc_config_prefix="$withval", opensc_config_prefix="")
1763 if test x$opensc_config_prefix != x ; then
1764   OPENSC_CONFIG=$opensc_config_prefix/bin/opensc-config
1765   AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
1766   if test "$OPENSC_CONFIG" != "no"; then
1767     LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
1768     LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
1769     CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
1770     LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"
1771     AC_DEFINE(SMARTCARD)
1772     AC_DEFINE(USE_OPENSC)
1773     SCARD_MSG="yes, using OpenSC"
1774   fi
1775 fi
1776
1777 # Check whether user wants Kerberos 5 support
1778 KRB5_MSG="no"
1779 AC_ARG_WITH(kerberos5,
1780         [  --with-kerberos5=PATH   Enable Kerberos 5 support],
1781         [
1782                 if test "x$withval" != "xno" ; then
1783                         if test "x$withval" = "xyes" ; then
1784                                 KRB5ROOT="/usr/local"
1785                         else
1786                                 KRB5ROOT=${withval}
1787                         fi
1788                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
1789                         LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
1790                         AC_DEFINE(KRB5)
1791                         KRB5_MSG="yes"
1792                         AC_MSG_CHECKING(whether we are using Heimdal)
1793                         AC_TRY_COMPILE([ #include <krb5.h> ],
1794                                        [ char *tmp = heimdal_version; ],
1795                                        [ AC_MSG_RESULT(yes)
1796                                          AC_DEFINE(HEIMDAL)
1797                                          K5LIBS="-lkrb5 -ldes -lcom_err -lasn1 -lroken"
1798                                        ],
1799                                        [ AC_MSG_RESULT(no)
1800                                          K5LIBS="-lkrb5 -lk5crypto -lcom_err"
1801                                        ]
1802                         )
1803                         if test ! -z "$need_dash_r" ; then
1804                                 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
1805                         fi
1806                         if test ! -z "$blibpath" ; then
1807                                 blibpath="$blibpath:${KRB5ROOT}/lib"
1808                         fi
1809                         AC_CHECK_LIB(resolv, dn_expand, , )
1810
1811                         AC_CHECK_LIB(gssapi,gss_init_sec_context,
1812                                 [ AC_DEFINE(GSSAPI)
1813                                   K5LIBS="-lgssapi $K5LIBS" ],
1814                                 [ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
1815                                         [ AC_DEFINE(GSSAPI)
1816                                           K5LIBS="-lgssapi_krb5 $K5LIBS" ],
1817                                         AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
1818                                         $K5LIBS)
1819                                 ],
1820                                 $K5LIBS)
1821
1822                         AC_CHECK_HEADER(gssapi.h, ,
1823                                 [ unset ac_cv_header_gssapi_h
1824                                   CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
1825                                   AC_CHECK_HEADERS(gssapi.h, ,
1826                                         AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
1827                                   )
1828                                 ]
1829                         )
1830
1831                         oldCPP="$CPPFLAGS"
1832                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
1833                         AC_CHECK_HEADER(gssapi_krb5.h, ,
1834                                         [ CPPFLAGS="$oldCPP" ])
1835
1836                         KRB5=yes
1837                 fi
1838         ]
1839 )
1840 # Check whether user wants Kerberos 4 support
1841 KRB4_MSG="no"
1842 AC_ARG_WITH(kerberos4,
1843         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1844         [
1845                 if test "x$withval" != "xno" ; then
1846                         if test "x$withval" != "xyes" ; then
1847                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1848                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1849                                 if test ! -z "$need_dash_r" ; then
1850                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1851                                 fi
1852                                 if test ! -z "$blibpath" ; then
1853                                         blibpath="$blibpath:${withval}/lib"
1854                                 fi
1855                         else
1856                                 if test -d /usr/include/kerberosIV ; then
1857                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1858                                 fi
1859                         fi
1860
1861                         AC_CHECK_HEADERS(krb.h)
1862                         if test "$ac_cv_header_krb_h" != yes; then
1863                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1864                         fi
1865                         AC_CHECK_LIB(krb, main)
1866                         if test "$ac_cv_lib_krb_main" != yes; then
1867                                 AC_CHECK_LIB(krb4, main)
1868                                 if test "$ac_cv_lib_krb4_main" != yes; then
1869                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
1870                                 else
1871                                         KLIBS="-lkrb4"
1872                                 fi
1873                         else
1874                                 KLIBS="-lkrb"
1875                         fi
1876                         AC_CHECK_LIB(des, des_cbc_encrypt)
1877                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
1878                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
1879                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
1880                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
1881                                 else
1882                                         KLIBS="-ldes425"
1883                                 fi
1884                         else
1885                                 KLIBS="-ldes"
1886                         fi
1887                         AC_CHECK_LIB(resolv, dn_expand, , )
1888                         KRB4=yes
1889                         KRB4_MSG="yes"
1890                         AC_DEFINE(KRB4)
1891                 fi
1892         ]
1893 )
1894
1895 # Check whether user wants AFS support
1896 AFS_MSG="no"
1897 AC_ARG_WITH(afs,
1898         [  --with-afs=PATH         Enable AFS support],
1899         [
1900                 if test "x$withval" != "xno" ; then
1901
1902                         if test "x$withval" != "xyes" ; then
1903                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1904                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1905                         fi
1906
1907                         if test -z "$KRB4" ; then
1908                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1909                         fi
1910
1911                         LIBS="-lkafs $LIBS"
1912                         if test ! -z "$AFS_LIBS" ; then
1913                                 LIBS="$LIBS $AFS_LIBS"
1914                         fi
1915                         AC_DEFINE(AFS)
1916                         AFS_MSG="yes"
1917                 fi
1918         ]
1919 )
1920 LIBS="$LIBS $KLIBS $K5LIBS"
1921
1922 # Looking for programs, paths and files
1923 AC_ARG_WITH(rsh,
1924         [  --with-rsh=PATH         Specify path to remote shell program ],
1925         [
1926                 if test "x$withval" != "$no" ; then
1927                         rsh_path=$withval
1928                 fi
1929         ],
1930         [
1931                 AC_PATH_PROG(rsh_path, rsh)
1932         ]
1933 )
1934
1935 PRIVSEP_PATH=/var/empty
1936 AC_ARG_WITH(privsep-path,
1937         [  --with-privsep-path=xxx Path for privilege separation chroot ],
1938         [
1939                 if test "x$withval" != "$no" ; then
1940                         PRIVSEP_PATH=$withval
1941                 fi
1942         ]
1943 )
1944 AC_SUBST(PRIVSEP_PATH)
1945
1946 AC_ARG_WITH(xauth,
1947         [  --with-xauth=PATH       Specify path to xauth program ],
1948         [
1949                 if test "x$withval" != "xno" ; then
1950                         xauth_path=$withval
1951                 fi
1952         ],
1953         [
1954                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1955                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1956                         xauth_path="/usr/openwin/bin/xauth"
1957                 fi
1958         ]
1959 )
1960
1961 if test -z "$xauth_path" ; then
1962         XAUTH_PATH="undefined"
1963         AC_SUBST(XAUTH_PATH)
1964 else
1965         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1966         XAUTH_PATH=$xauth_path
1967         AC_SUBST(XAUTH_PATH)
1968 fi
1969 if test ! -z "$rsh_path" ; then
1970         AC_DEFINE_UNQUOTED(RSH_PATH, "$rsh_path")
1971 fi
1972
1973 # Check for mail directory (last resort if we cannot get it from headers)
1974 if test ! -z "$MAIL" ; then
1975         maildir=`dirname $MAIL`
1976         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1977 fi
1978
1979 if test -z "$no_dev_ptmx" ; then
1980         if test "x$disable_ptmx_check" != "xyes" ; then
1981                 AC_CHECK_FILE("/dev/ptmx",
1982                         [
1983                                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
1984                                 have_dev_ptmx=1
1985                         ]
1986                 )
1987         fi
1988 fi
1989 AC_CHECK_FILE("/dev/ptc",
1990         [
1991                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
1992                 have_dev_ptc=1
1993         ]
1994 )
1995
1996 # Options from here on. Some of these are preset by platform above
1997 AC_ARG_WITH(mantype,
1998         [  --with-mantype=man|cat|doc  Set man page type],
1999         [
2000                 case "$withval" in
2001                 man|cat|doc)
2002                         MANTYPE=$withval
2003                         ;;
2004                 *)
2005                         AC_MSG_ERROR(invalid man type: $withval)
2006                         ;;
2007                 esac
2008         ]
2009 )
2010 if test -z "$MANTYPE"; then
2011         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, /usr/bin:/usr/ucb)
2012         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
2013                 MANTYPE=doc
2014         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
2015                 MANTYPE=man
2016         else
2017                 MANTYPE=cat
2018         fi
2019 fi
2020 AC_SUBST(MANTYPE)
2021 if test "$MANTYPE" = "doc"; then
2022         mansubdir=man;
2023 else
2024         mansubdir=$MANTYPE;
2025 fi
2026 AC_SUBST(mansubdir)
2027
2028 # Check whether to enable MD5 passwords
2029 MD5_MSG="no"
2030 AC_ARG_WITH(md5-passwords,
2031         [  --with-md5-passwords    Enable use of MD5 passwords],
2032         [
2033                 if test "x$withval" != "xno" ; then
2034                         AC_DEFINE(HAVE_MD5_PASSWORDS)
2035                         MD5_MSG="yes"
2036                 fi
2037         ]
2038 )
2039
2040 # Whether to disable shadow password support
2041 AC_ARG_WITH(shadow,
2042         [  --without-shadow        Disable shadow password support],
2043         [
2044                 if test "x$withval" = "xno" ; then
2045                         AC_DEFINE(DISABLE_SHADOW)
2046                         disable_shadow=yes
2047                 fi
2048         ]
2049 )
2050
2051 if test -z "$disable_shadow" ; then
2052         AC_MSG_CHECKING([if the systems has expire shadow information])
2053         AC_TRY_COMPILE(
2054         [
2055 #include <sys/types.h>
2056 #include <shadow.h>
2057         struct spwd sp;
2058         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
2059         [ sp_expire_available=yes ], []
2060         )
2061
2062         if test "x$sp_expire_available" = "xyes" ; then
2063                 AC_MSG_RESULT(yes)
2064                 AC_DEFINE(HAS_SHADOW_EXPIRE)
2065         else
2066                 AC_MSG_RESULT(no)
2067         fi
2068 fi
2069
2070 # Use ip address instead of hostname in $DISPLAY
2071 if test ! -z "$IPADDR_IN_DISPLAY" ; then
2072         DISPLAY_HACK_MSG="yes"
2073         AC_DEFINE(IPADDR_IN_DISPLAY)
2074 else
2075         DISPLAY_HACK_MSG="no"
2076         AC_ARG_WITH(ipaddr-display,
2077                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
2078                 [
2079                         if test "x$withval" != "xno" ; then
2080                                 AC_DEFINE(IPADDR_IN_DISPLAY)
2081                                 DISPLAY_HACK_MSG="yes"
2082                         fi
2083                 ]
2084         )
2085 fi
2086
2087 dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
2088 if test $ac_cv_func_login_getcapbool = "yes" -a \
2089         $ac_cv_header_login_cap_h = "yes" ; then
2090         USES_LOGIN_CONF=yes
2091 fi
2092 # Whether to mess with the default path
2093 SERVER_PATH_MSG="(default)"
2094 AC_ARG_WITH(default-path,
2095         [  --with-default-path=    Specify default \$PATH environment for server],
2096         [
2097                 if test "$USES_LOGIN_CONF" = "yes" ; then
2098                         AC_MSG_WARN([
2099 --with-default-path=PATH has no effect on this system.
2100 Edit /etc/login.conf instead.])
2101                 elif test "x$withval" != "xno" ; then
2102                         user_path="$withval"
2103                         SERVER_PATH_MSG="$withval"
2104                 fi
2105         ],
2106         [ if test "$USES_LOGIN_CONF" = "yes" ; then
2107         AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
2108         else
2109         AC_TRY_RUN(
2110                 [
2111 /* find out what STDPATH is */
2112 #include <stdio.h>
2113 #ifdef HAVE_PATHS_H
2114 # include <paths.h>
2115 #endif
2116 #ifndef _PATH_STDPATH
2117 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
2118 #endif
2119 #include <sys/types.h>
2120 #include <sys/stat.h>
2121 #include <fcntl.h>
2122 #define DATA "conftest.stdpath"
2123
2124 main()
2125 {
2126         FILE *fd;
2127         int rc;
2128
2129         fd = fopen(DATA,"w");
2130         if(fd == NULL)
2131                 exit(1);
2132
2133         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
2134                 exit(1);
2135
2136         exit(0);
2137 }
2138                 ], [ user_path=`cat conftest.stdpath` ],
2139                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
2140                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
2141         )
2142 # make sure $bindir is in USER_PATH so scp will work
2143                 t_bindir=`eval echo ${bindir}`
2144                 case $t_bindir in
2145                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
2146                 esac
2147                 case $t_bindir in
2148                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
2149                 esac
2150                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
2151                 if test $? -ne 0  ; then
2152                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
2153                         if test $? -ne 0  ; then
2154                                 user_path=$user_path:$t_bindir
2155                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
2156                         fi
2157                 fi
2158         fi ]
2159 )
2160 if test "$USES_LOGIN_CONF" != "yes" ; then
2161         AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
2162         AC_SUBST(user_path)
2163 fi
2164
2165 # Set superuser path separately to user path
2166 AC_ARG_WITH(superuser-path,
2167         [  --with-superuser-path=  Specify different path for super-user],
2168         [
2169                 if test "x$withval" != "xno" ; then
2170                         AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval")
2171                         superuser_path=$withval
2172                 fi
2173         ]
2174 )
2175
2176
2177 # Whether to force IPv4 by default (needed on broken glibc Linux)
2178 IPV4_HACK_MSG="no"
2179 AC_ARG_WITH(ipv4-default,
2180         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
2181         [
2182                 if test "x$withval" != "xno" ; then
2183                         AC_DEFINE(IPV4_DEFAULT)
2184                         IPV4_HACK_MSG="yes"
2185                 fi
2186         ]
2187 )
2188
2189 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
2190 IPV4_IN6_HACK_MSG="no"
2191 AC_ARG_WITH(4in6,
2192         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
2193         [
2194                 if test "x$withval" != "xno" ; then
2195                         AC_MSG_RESULT(yes)
2196                         AC_DEFINE(IPV4_IN_IPV6)
2197                         IPV4_IN6_HACK_MSG="yes"
2198                 else
2199                         AC_MSG_RESULT(no)
2200                 fi
2201         ],[
2202                 if test "x$inet6_default_4in6" = "xyes"; then
2203                         AC_MSG_RESULT([yes (default)])
2204                         AC_DEFINE(IPV4_IN_IPV6)
2205                         IPV4_IN6_HACK_MSG="yes"
2206                 else
2207                         AC_MSG_RESULT([no (default)])
2208                 fi
2209         ]
2210 )
2211
2212 # Whether to enable BSD auth support
2213 BSD_AUTH_MSG=no
2214 AC_ARG_WITH(bsd-auth,
2215         [  --with-bsd-auth         Enable BSD auth support],
2216         [
2217                 if test "x$withval" != "xno" ; then
2218                         AC_DEFINE(BSD_AUTH)
2219                         BSD_AUTH_MSG=yes
2220                 fi
2221         ]
2222 )
2223
2224 AC_MSG_CHECKING(whether to install ssh as suid root)
2225 AC_ARG_ENABLE(suid-ssh,
2226 [  --enable-suid-ssh       Install ssh as suid root (default)
2227   --disable-suid-ssh      Install ssh without suid bit],
2228 [ case "$enableval" in
2229   no)
2230        AC_MSG_RESULT(no)
2231        SSHMODE=0711
2232        ;;
2233   *)   AC_MSG_RESULT(yes)
2234        SSHMODE=4711
2235        ;;
2236   esac ],
2237   AC_MSG_RESULT(yes)
2238   SSHMODE=4711
2239 )
2240 AC_SUBST(SSHMODE)
2241
2242
2243 # Where to place sshd.pid
2244 piddir=/var/run
2245 # make sure the directory exists
2246 if test ! -d $piddir ; then
2247         piddir=`eval echo ${sysconfdir}`
2248         case $piddir in
2249                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
2250         esac
2251 fi
2252
2253 AC_ARG_WITH(pid-dir,
2254         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
2255         [
2256                 if test "x$withval" != "xno" ; then
2257                         piddir=$withval
2258                         if test ! -d $piddir ; then
2259                         AC_MSG_WARN([** no $piddir directory on this system **])
2260                         fi
2261                 fi
2262         ]
2263 )
2264
2265 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
2266 AC_SUBST(piddir)
2267
2268 dnl allow user to disable some login recording features
2269 AC_ARG_ENABLE(lastlog,
2270         [  --disable-lastlog       disable use of lastlog even if detected [no]],
2271         [ AC_DEFINE(DISABLE_LASTLOG) ]
2272 )
2273 AC_ARG_ENABLE(utmp,
2274         [  --disable-utmp          disable use of utmp even if detected [no]],
2275         [ AC_DEFINE(DISABLE_UTMP) ]
2276 )
2277 AC_ARG_ENABLE(utmpx,
2278         [  --disable-utmpx         disable use of utmpx even if detected [no]],
2279         [ AC_DEFINE(DISABLE_UTMPX) ]
2280 )
2281 AC_ARG_ENABLE(wtmp,
2282         [  --disable-wtmp          disable use of wtmp even if detected [no]],
2283         [ AC_DEFINE(DISABLE_WTMP) ]
2284 )
2285 AC_ARG_ENABLE(wtmpx,
2286         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
2287         [ AC_DEFINE(DISABLE_WTMPX) ]
2288 )
2289 AC_ARG_ENABLE(libutil,
2290         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
2291         [ AC_DEFINE(DISABLE_LOGIN) ]
2292 )
2293 AC_ARG_ENABLE(pututline,
2294         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
2295         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
2296 )
2297 AC_ARG_ENABLE(pututxline,
2298         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
2299         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
2300 )
2301 AC_ARG_WITH(lastlog,
2302   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
2303         [
2304                 if test "x$withval" = "xno" ; then
2305                         AC_DEFINE(DISABLE_LASTLOG)
2306                 else
2307                         conf_lastlog_location=$withval
2308                 fi
2309         ]
2310 )
2311
2312 dnl lastlog, [uw]tmpx? detection
2313 dnl  NOTE: set the paths in the platform section to avoid the
2314 dnl   need for command-line parameters
2315 dnl lastlog and [uw]tmp are subject to a file search if all else fails
2316
2317 dnl lastlog detection
2318 dnl  NOTE: the code itself will detect if lastlog is a directory
2319 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
2320 AC_TRY_COMPILE([
2321 #include <sys/types.h>
2322 #include <utmp.h>
2323 #ifdef HAVE_LASTLOG_H
2324 #  include <lastlog.h>
2325 #endif
2326 #ifdef HAVE_PATHS_H
2327 #  include <paths.h>
2328 #endif
2329 #ifdef HAVE_LOGIN_H
2330 # include <login.h>
2331 #endif
2332         ],
2333         [ char *lastlog = LASTLOG_FILE; ],
2334         [ AC_MSG_RESULT(yes) ],
2335         [
2336                 AC_MSG_RESULT(no)
2337                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
2338                 AC_TRY_COMPILE([
2339 #include <sys/types.h>
2340 #include <utmp.h>
2341 #ifdef HAVE_LASTLOG_H
2342 #  include <lastlog.h>
2343 #endif
2344 #ifdef HAVE_PATHS_H
2345 #  include <paths.h>
2346 #endif
2347                 ],
2348                 [ char *lastlog = _PATH_LASTLOG; ],
2349                 [ AC_MSG_RESULT(yes) ],
2350                 [
2351                         AC_MSG_RESULT(no)
2352                         system_lastlog_path=no
2353                 ])
2354         ]
2355 )
2356
2357 if test -z "$conf_lastlog_location"; then
2358         if test x"$system_lastlog_path" = x"no" ; then
2359                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
2360                                 if (test -d "$f" || test -f "$f") ; then
2361                                         conf_lastlog_location=$f
2362                                 fi
2363                 done
2364                 if test -z "$conf_lastlog_location"; then
2365                         AC_MSG_WARN([** Cannot find lastlog **])
2366                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
2367                 fi
2368         fi
2369 fi
2370
2371 if test -n "$conf_lastlog_location"; then
2372         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
2373 fi
2374
2375 dnl utmp detection
2376 AC_MSG_CHECKING([if your system defines UTMP_FILE])
2377 AC_TRY_COMPILE([
2378 #include <sys/types.h>
2379 #include <utmp.h>
2380 #ifdef HAVE_PATHS_H
2381 #  include <paths.h>
2382 #endif
2383         ],
2384         [ char *utmp = UTMP_FILE; ],
2385         [ AC_MSG_RESULT(yes) ],
2386         [ AC_MSG_RESULT(no)
2387           system_utmp_path=no ]
2388 )
2389 if test -z "$conf_utmp_location"; then
2390         if test x"$system_utmp_path" = x"no" ; then
2391                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
2392                         if test -f $f ; then
2393                                 conf_utmp_location=$f
2394                         fi
2395                 done
2396                 if test -z "$conf_utmp_location"; then
2397                         AC_DEFINE(DISABLE_UTMP)
2398                 fi
2399         fi
2400 fi
2401 if test -n "$conf_utmp_location"; then
2402         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
2403 fi
2404
2405 dnl wtmp detection
2406 AC_MSG_CHECKING([if your system defines WTMP_FILE])
2407 AC_TRY_COMPILE([
2408 #include <sys/types.h>
2409 #include <utmp.h>
2410 #ifdef HAVE_PATHS_H
2411 #  include <paths.h>
2412 #endif
2413         ],
2414         [ char *wtmp = WTMP_FILE; ],
2415         [ AC_MSG_RESULT(yes) ],
2416         [ AC_MSG_RESULT(no)
2417           system_wtmp_path=no ]
2418 )
2419 if test -z "$conf_wtmp_location"; then
2420         if test x"$system_wtmp_path" = x"no" ; then
2421                 for f in /usr/adm/wtmp /var/log/wtmp; do
2422                         if test -f $f ; then
2423                                 conf_wtmp_location=$f
2424                         fi
2425                 done
2426                 if test -z "$conf_wtmp_location"; then
2427                         AC_DEFINE(DISABLE_WTMP)
2428                 fi
2429         fi
2430 fi
2431 if test -n "$conf_wtmp_location"; then
2432         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
2433 fi
2434
2435
2436 dnl utmpx detection - I don't know any system so perverse as to require
2437 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
2438 dnl  there, though.
2439 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
2440 AC_TRY_COMPILE([
2441 #include <sys/types.h>
2442 #include <utmp.h>
2443 #ifdef HAVE_UTMPX_H
2444 #include <utmpx.h>
2445 #endif
2446 #ifdef HAVE_PATHS_H
2447 #  include <paths.h>
2448 #endif
2449         ],
2450         [ char *utmpx = UTMPX_FILE; ],
2451         [ AC_MSG_RESULT(yes) ],
2452         [ AC_MSG_RESULT(no)
2453           system_utmpx_path=no ]
2454 )
2455 if test -z "$conf_utmpx_location"; then
2456         if test x"$system_utmpx_path" = x"no" ; then
2457                 AC_DEFINE(DISABLE_UTMPX)
2458         fi
2459 else
2460         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
2461 fi
2462
2463 dnl wtmpx detection
2464 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
2465 AC_TRY_COMPILE([
2466 #include <sys/types.h>
2467 #include <utmp.h>
2468 #ifdef HAVE_UTMPX_H
2469 #include <utmpx.h>
2470 #endif
2471 #ifdef HAVE_PATHS_H
2472 #  include <paths.h>
2473 #endif
2474         ],
2475         [ char *wtmpx = WTMPX_FILE; ],
2476         [ AC_MSG_RESULT(yes) ],
2477         [ AC_MSG_RESULT(no)
2478           system_wtmpx_path=no ]
2479 )
2480 if test -z "$conf_wtmpx_location"; then
2481         if test x"$system_wtmpx_path" = x"no" ; then
2482                 AC_DEFINE(DISABLE_WTMPX)
2483         fi
2484 else
2485         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
2486 fi
2487
2488
2489 if test ! -z "$blibpath" ; then
2490         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
2491         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
2492 fi
2493
2494 dnl remove pam and dl because they are in $LIBPAM
2495 if test "$PAM_MSG" = yes ; then
2496         LIBS=`echo $LIBS | sed 's/-lpam //'`
2497 fi
2498 if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
2499         LIBS=`echo $LIBS | sed 's/-ldl //'`
2500 fi
2501
2502 AC_EXEEXT
2503 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
2504 AC_OUTPUT
2505
2506 # Print summary of options
2507
2508 # Someone please show me a better way :)
2509 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
2510 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
2511 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
2512 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
2513 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
2514 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
2515 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
2516 H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
2517 I=`eval echo ${user_path}` ; I=`eval echo ${I}`
2518 J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
2519
2520 echo ""
2521 echo "OpenSSH has been configured with the following options:"
2522 echo "                     User binaries: $B"
2523 echo "                   System binaries: $C"
2524 echo "               Configuration files: $D"
2525 echo "                   Askpass program: $E"
2526 echo "                      Manual pages: $F"
2527 echo "                          PID file: $G"
2528 echo "  Privilege separation chroot path: $H"
2529 if test "$USES_LOGIN_CONF" = "yes" ; then
2530 echo "   At runtime, sshd will use the path defined in /etc/login.conf"
2531 else
2532 echo "            sshd default user PATH: $I"
2533 fi
2534 if test ! -z "$superuser_path" ; then
2535 echo "          sshd superuser user PATH: $J"
2536 fi
2537 echo "                    Manpage format: $MANTYPE"
2538 echo "                       PAM support: ${PAM_MSG}"
2539 echo "                KerberosIV support: $KRB4_MSG"
2540 echo "                 KerberosV support: $KRB5_MSG"
2541 echo "                 Smartcard support: $SCARD_MSG"
2542 echo "                       AFS support: $AFS_MSG"
2543 echo "                     S/KEY support: $SKEY_MSG"
2544 echo "              TCP Wrappers support: $TCPW_MSG"
2545 echo "              MD5 password support: $MD5_MSG"
2546 echo "       IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
2547 echo "          Use IPv4 by default hack: $IPV4_HACK_MSG"
2548 echo "           Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
2549 echo "                  BSD Auth support: $BSD_AUTH_MSG"
2550 echo "              Random number source: $RAND_MSG"
2551 if test ! -z "$USE_RAND_HELPER" ; then
2552 echo "     ssh-rand-helper collects from: $RAND_HELPER_MSG"
2553 fi
2554
2555 echo ""
2556
2557 echo "              Host: ${host}"
2558 echo "          Compiler: ${CC}"
2559 echo "    Compiler flags: ${CFLAGS}"
2560 echo "Preprocessor flags: ${CPPFLAGS}"
2561 echo "      Linker flags: ${LDFLAGS}"
2562 echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
2563
2564 echo ""
2565
2566 if test "x$PAM_MSG" = "xyes" ; then
2567         echo "PAM is enabled. You may need to install a PAM control file "
2568         echo "for sshd, otherwise password authentication may fail. "
2569         echo "Example PAM control files can be found in the contrib/ "
2570         echo "subdirectory"
2571         echo ""
2572 fi
2573
2574 if test ! -z "$NO_SFTP"; then
2575         echo "sftp-server will be disabled.  Your compiler does not "
2576         echo "support 64bit integers."
2577         echo ""
2578 fi
2579
2580 if test ! -z "$RAND_HELPER_CMDHASH" ; then
2581         echo "WARNING: you are using the builtin random number collection "
2582         echo "service. Please read WARNING.RNG and request that your OS "
2583         echo "vendor includes kernel-based random number collection in "
2584         echo "future versions of your OS."
2585         echo ""
2586 fi
2587