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