openssh/configure.ac

   1 # $Id$
   2
   3 AC_INIT
   4 AC_CONFIG_SRCDIR([ssh.c])
   5
   6 AC_CONFIG_HEADER(config.h)
   7 AC_PROG_CC
   8 AC_CANONICAL_HOST
   9 AC_C_BIGENDIAN
  10
  11 # Checks for programs.
  12 AC_PROG_CPP
  13 AC_PROG_RANLIB
  14 AC_PROG_INSTALL
  15 AC_PATH_PROG(AR, ar)
  16 AC_PATH_PROGS(PERL, perl5 perl)
  17 AC_SUBST(PERL)
  18 AC_PATH_PROG(ENT, ent)
  19 AC_SUBST(ENT)
  20 AC_PATH_PROGS(FILEPRIV, filepriv, true, /sbin:/usr/sbin)
  21 AC_PATH_PROG(TEST_MINUS_S_SH, bash)
  22 AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
  23 AC_PATH_PROG(TEST_MINUS_S_SH, sh)
  24 AC_PATH_PROG(SH, sh)
  25
  26 # System features
  27 AC_SYS_LARGEFILE
  28
  29 if test -z "$AR" ; then
  30         AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***])
  31 fi
  32
  33 # Use LOGIN_PROGRAM from environment if possible
  34 if test ! -z "$LOGIN_PROGRAM" ; then
  35         AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM")
  36 else
  37         # Search for login
  38         AC_PATH_PROG(LOGIN_PROGRAM_FALLBACK, login)
  39         if test ! -z "$LOGIN_PROGRAM_FALLBACK" ; then
  40                 AC_DEFINE_UNQUOTED(LOGIN_PROGRAM_FALLBACK, "$LOGIN_PROGRAM_FALLBACK")
  41         fi
  42 fi
  43
  44 if test -z "$LD" ; then
  45         LD=$CC
  46 fi
  47 AC_SUBST(LD)
  48
  49 AC_C_INLINE
  50 if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
  51         CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wno-uninitialized"
  52 fi
  53
  54 # Check for some target-specific stuff
  55 case "$host" in
  56 *-*-aix*)
  57         AFS_LIBS="-lld"
  58         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
  59         LDFLAGS="$LDFLAGS -L/usr/local/lib"
  60         if (test "$LD" != "gcc" && test -z "$blibpath"); then
  61                 AC_MSG_CHECKING([if linkage editor ($LD) accepts -blibpath])
  62                 saved_LDFLAGS="$LDFLAGS"
  63                 LDFLAGS="$LDFLAGS -blibpath:/usr/lib:/lib:/usr/local/lib"
  64                 AC_TRY_LINK([],
  65                         [],
  66                         [
  67                                 AC_MSG_RESULT(yes)
  68                                 blibpath="/usr/lib:/lib:/usr/local/lib"
  69                         ],
  70                         [ AC_MSG_RESULT(no) ]
  71                 )
  72                 LDFLAGS="$saved_LDFLAGS"
  73         fi
  74         AC_CHECK_FUNC(authenticate, [AC_DEFINE(WITH_AIXAUTHENTICATE)])
  75         AC_DEFINE(BROKEN_GETADDRINFO)
  76         AC_DEFINE(BROKEN_REALPATH)
  77         dnl AIX handles lastlog as part of its login message
  78         AC_DEFINE(DISABLE_LASTLOG)
  79         AC_DEFINE(LOGIN_NEEDS_UTMPX)
  80         ;;
  81 *-*-cygwin*)
  82         LIBS="$LIBS /usr/lib/textmode.o"
  83         AC_DEFINE(HAVE_CYGWIN)
  84         AC_DEFINE(USE_PIPES)
  85         AC_DEFINE(DISABLE_SHADOW)
  86         AC_DEFINE(IPV4_DEFAULT)
  87         AC_DEFINE(IP_TOS_IS_BROKEN)
  88         AC_DEFINE(NO_X11_UNIX_SOCKETS)
  89         AC_DEFINE(BROKEN_FD_PASSING)
  90         AC_DEFINE(SETGROUPS_NOOP)
  91         ;;
  92 *-*-dgux*)
  93         AC_DEFINE(IP_TOS_IS_BROKEN)
  94         ;;
  95 *-*-darwin*)
  96         AC_DEFINE(BROKEN_GETADDRINFO)
  97         ;;
  98 *-*-hpux10.26)
  99         if test -z "$GCC"; then
 100                 CFLAGS="$CFLAGS -Ae"
 101         fi
 102         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 103         IPADDR_IN_DISPLAY=yes
 104         AC_DEFINE(HAVE_SECUREWARE)
 105         AC_DEFINE(USE_PIPES)
 106         AC_DEFINE(LOGIN_NO_ENDOPT)
 107         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 108         AC_DEFINE(DISABLE_SHADOW)
 109         AC_DEFINE(DISABLE_UTMP)
 110         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 111         LIBS="$LIBS -lxnet -lsec -lsecpw"
 112         disable_ptmx_check=yes
 113         ;;
 114 *-*-hpux10*)
 115         if test -z "$GCC"; then
 116                 CFLAGS="$CFLAGS -Ae"
 117         fi
 118         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 119         IPADDR_IN_DISPLAY=yes
 120         AC_DEFINE(USE_PIPES)
 121         AC_DEFINE(LOGIN_NO_ENDOPT)
 122         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 123         AC_DEFINE(DISABLE_SHADOW)
 124         AC_DEFINE(DISABLE_UTMP)
 125         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 126         LIBS="$LIBS -lxnet -lsec"
 127         ;;
 128 *-*-hpux11*)
 129         CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1"
 130         IPADDR_IN_DISPLAY=yes
 131         AC_DEFINE(PAM_SUN_CODEBASE)
 132         AC_DEFINE(USE_PIPES)
 133         AC_DEFINE(LOGIN_NO_ENDOPT)
 134         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 135         AC_DEFINE(DISABLE_SHADOW)
 136         AC_DEFINE(DISABLE_UTMP)
 137         AC_DEFINE(SPT_TYPE,SPT_PSTAT)
 138         LIBS="$LIBS -lxnet -lsec"
 139         ;;
 140 *-*-irix5*)
 141         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 142         LDFLAGS="$LDFLAGS"
 143         PATH="$PATH:/usr/etc"
 144         AC_DEFINE(BROKEN_INET_NTOA)
 145         AC_DEFINE(WITH_ABBREV_NO_TTY)
 146         ;;
 147 *-*-irix6*)
 148         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 149         LDFLAGS="$LDFLAGS"
 150         PATH="$PATH:/usr/etc"
 151         AC_DEFINE(WITH_IRIX_ARRAY)
 152         AC_DEFINE(WITH_IRIX_PROJECT)
 153         AC_DEFINE(WITH_IRIX_AUDIT)
 154         AC_CHECK_FUNC(jlimit_startjob, [AC_DEFINE(WITH_IRIX_JOBS)])
 155         AC_DEFINE(BROKEN_INET_NTOA)
 156         AC_DEFINE(WITH_ABBREV_NO_TTY)
 157         ;;
 158 *-*-linux*)
 159         no_dev_ptmx=1
 160         check_for_libcrypt_later=1
 161         AC_DEFINE(DONT_TRY_OTHER_AF)
 162         AC_DEFINE(PAM_TTY_KLUDGE)
 163         inet6_default_4in6=yes
 164         ;;
 165 mips-sony-bsd|mips-sony-newsos4)
 166         AC_DEFINE(HAVE_NEWS4)
 167         SONY=1
 168         ;;
 169 *-*-netbsd*)
 170         need_dash_r=1
 171         ;;
 172 *-*-freebsd*)
 173         check_for_libcrypt_later=1
 174         ;;
 175 *-next-*)
 176         conf_lastlog_location="/usr/adm/lastlog"
 177         conf_utmp_location=/etc/utmp
 178         conf_wtmp_location=/usr/adm/wtmp
 179         MAIL=/usr/spool/mail
 180         AC_DEFINE(HAVE_NEXT)
 181         AC_DEFINE(BROKEN_REALPATH)
 182         AC_DEFINE(USE_PIPES)
 183         AC_DEFINE(BROKEN_SAVED_UIDS)
 184         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 185         CFLAGS="$CFLAGS"
 186         ;;
 187 *-*-solaris*)
 188         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 189         LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
 190         need_dash_r=1
 191         AC_DEFINE(PAM_SUN_CODEBASE)
 192         AC_DEFINE(LOGIN_NEEDS_UTMPX)
 193         AC_DEFINE(LOGIN_NEEDS_TERM)
 194         AC_DEFINE(PAM_TTY_KLUDGE)
 195         # hardwire lastlog location (can't detect it on some versions)
 196         conf_lastlog_location="/var/adm/lastlog"
 197         AC_MSG_CHECKING(for obsolete utmp and wtmp in solaris2.x)
 198         sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'`
 199         if test "$sol2ver" -ge 8; then
 200                 AC_MSG_RESULT(yes)
 201                 AC_DEFINE(DISABLE_UTMP)
 202                 AC_DEFINE(DISABLE_WTMP)
 203         else
 204                 AC_MSG_RESULT(no)
 205         fi
 206         ;;
 207 *-*-sunos4*)
 208         CPPFLAGS="$CPPFLAGS -DSUNOS4"
 209         AC_CHECK_FUNCS(getpwanam)
 210         AC_DEFINE(PAM_SUN_CODEBASE)
 211         conf_utmp_location=/etc/utmp
 212         conf_wtmp_location=/var/adm/wtmp
 213         conf_lastlog_location=/var/adm/lastlog
 214         AC_DEFINE(USE_PIPES)
 215         ;;
 216 *-ncr-sysv*)
 217         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 218         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 219         LIBS="$LIBS -lc89"
 220         AC_DEFINE(USE_PIPES)
 221         ;;
 222 *-sni-sysv*)
 223         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 224         # /usr/ucblib MUST NOT be searched on ReliantUNIX
 225         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 226         IPADDR_IN_DISPLAY=yes
 227         AC_DEFINE(USE_PIPES)
 228         AC_DEFINE(IP_TOS_IS_BROKEN)
 229         # /usr/ucblib/libucb.a no longer needed on ReliantUNIX
 230         # Attention: always take care to bind libsocket and libnsl before libc,
 231         # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog
 232         ;;
 233 *-*-sysv4.2*)
 234         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 235         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 236         AC_DEFINE(USE_PIPES)
 237         ;;
 238 *-*-sysv5*)
 239         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 240         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 241         AC_DEFINE(USE_PIPES)
 242         ;;
 243 *-*-sysv*)
 244         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 245         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 246         ;;
 247 *-*-sco3.2v4*)
 248         CPPFLAGS="$CPPFLAGS -Dftruncate=chsize -I/usr/local/include"
 249         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 250         LIBS="$LIBS -los -lprot -lx -ltinfo -lm"
 251         RANLIB=true
 252         no_dev_ptmx=1
 253         AC_DEFINE(BROKEN_SYS_TERMIO_H)
 254         AC_DEFINE(USE_PIPES)
 255         AC_DEFINE(HAVE_SECUREWARE)
 256         AC_DEFINE(DISABLE_SHADOW)
 257         AC_DEFINE(BROKEN_SAVED_UIDS)
 258         AC_CHECK_FUNCS(getluid setluid)
 259         MANTYPE=man
 260         do_sco3_extra_lib_check=yes
 261         ;;
 262 *-*-sco3.2v5*)
 263         CPPFLAGS="$CPPFLAGS -I/usr/local/include"
 264         LDFLAGS="$LDFLAGS -L/usr/local/lib"
 265         LIBS="$LIBS -lprot -lx -ltinfo -lm"
 266         no_dev_ptmx=1
 267         AC_DEFINE(USE_PIPES)
 268         AC_DEFINE(HAVE_SECUREWARE)
 269         AC_DEFINE(DISABLE_SHADOW)
 270         AC_DEFINE(BROKEN_FD_PASSING)
 271         AC_CHECK_FUNCS(getluid setluid)
 272         MANTYPE=man
 273         ;;
 274 *-*-unicos*)
 275         no_libsocket=1
 276         no_libnsl=1
 277         AC_DEFINE(USE_PIPES)
 278         AC_DEFINE(BROKEN_FD_PASSING)
 279         LDFLAGS="$LDFLAGS -Wl,-Dmsglevel=334:fatal,-L/usr/local/lib"
 280         LIBS="$LIBS -lgen -lrsc"
 281         ;;
 282 *-dec-osf*)
 283         AC_MSG_CHECKING(for Digital Unix SIA)
 284         no_osfsia=""
 285         AC_ARG_WITH(osfsia,
 286                 [  --with-osfsia           Enable Digital Unix SIA],
 287                 [
 288                         if test "x$withval" = "xno" ; then
 289                                 AC_MSG_RESULT(disabled)
 290                                 no_osfsia=1
 291                         fi
 292                 ],
 293         )
 294         if test -z "$no_osfsia" ; then
 295                 if test -f /etc/sia/matrix.conf; then
 296                         AC_MSG_RESULT(yes)
 297                         AC_DEFINE(HAVE_OSF_SIA)
 298                         AC_DEFINE(DISABLE_LOGIN)
 299                         LIBS="$LIBS -lsecurity -ldb -lm -laud"
 300                 else
 301                         AC_MSG_RESULT(no)
 302                 fi
 303         fi
 304         ;;
 305
 306 *-*-nto-qnx)
 307         AC_DEFINE(USE_PIPES)
 308         AC_DEFINE(NO_X11_UNIX_SOCKETS)
 309         AC_DEFINE(MISSING_NFDBITS)
 310         AC_DEFINE(MISSING_HOWMANY)
 311         AC_DEFINE(MISSING_FD_MASK)
 312         ;;
 313 esac
 314
 315 # Allow user to specify flags
 316 AC_ARG_WITH(cflags,
 317         [  --with-cflags           Specify additional flags to pass to compiler],
 318         [
 319                 if test "x$withval" != "xno" ; then
 320                         CFLAGS="$CFLAGS $withval"
 321                 fi
 322         ]
 323 )
 324 AC_ARG_WITH(cppflags,
 325         [  --with-cppflags         Specify additional flags to pass to preprocessor] ,
 326         [
 327                 if test "x$withval" != "xno"; then
 328                         CPPFLAGS="$CPPFLAGS $withval"
 329                 fi
 330         ]
 331 )
 332 AC_ARG_WITH(ldflags,
 333         [  --with-ldflags          Specify additional flags to pass to linker],
 334         [
 335                 if test "x$withval" != "xno" ; then
 336                         LDFLAGS="$LDFLAGS $withval"
 337                 fi
 338         ]
 339 )
 340 AC_ARG_WITH(libs,
 341         [  --with-libs             Specify additional libraries to link with],
 342         [
 343                 if test "x$withval" != "xno" ; then
 344                         LIBS="$LIBS $withval"
 345                 fi
 346         ]
 347 )
 348
 349 # Checks for header files.
 350 AC_CHECK_HEADERS(bstring.h crypt.h endian.h floatingpoint.h \
 351         getopt.h glob.h lastlog.h limits.h login.h \
 352         login_cap.h maillock.h netdb.h netgroup.h \
 353         netinet/in_systm.h paths.h pty.h readpassphrase.h \
 354         rpc/types.h security/pam_appl.h shadow.h stddef.h stdint.h \
 355         strings.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h \
 356         sys/mman.h sys/select.h sys/stat.h \
 357         sys/stropts.h sys/sysmacros.h sys/time.h \
 358         sys/un.h time.h ttyent.h usersec.h \
 359         util.h utime.h utmp.h utmpx.h)
 360
 361 # Checks for libraries.
 362 AC_CHECK_FUNC(yp_match, , AC_CHECK_LIB(nsl, yp_match))
 363 AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
 364
 365 dnl SCO OS3 needs this for libwrap
 366 if test "x$with_tcp_wrappers" != "xno" ; then
 367     if test "x$do_sco3_extra_lib_check" = "xyes" ; then
 368         AC_CHECK_LIB(rpc, innetgr, LIBS="-lrpc -lyp -lrpc $LIBS" , , -lyp -lrpc)
 369     fi
 370 fi
 371
 372 AC_CHECK_FUNC(getspnam, ,
 373         AC_CHECK_LIB(gen, getspnam, LIBS="$LIBS -lgen"))
 374
 375 AC_ARG_WITH(rpath,
 376         [  --without-rpath         Disable auto-added -R linker paths],
 377         [
 378                 if test "x$withval" = "xno" ; then
 379                         need_dash_r=""
 380                 fi
 381                 if test "x$withval" = "xyes" ; then
 382                         need_dash_r=1
 383                 fi
 384         ]
 385 )
 386
 387 dnl zlib is required
 388 AC_ARG_WITH(zlib,
 389         [  --with-zlib=PATH        Use zlib in PATH],
 390         [
 391                 if test "x$withval" = "xno" ; then
 392                         AC_MSG_ERROR([*** zlib is required ***])
 393                 fi
 394                 if test -d "$withval/lib"; then
 395                         if test -n "${need_dash_r}"; then
 396                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 397                         else
 398                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 399                         fi
 400                 else
 401                         if test -n "${need_dash_r}"; then
 402                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 403                         else
 404                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 405                         fi
 406                 fi
 407                 if test -d "$withval/include"; then
 408                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 409                 else
 410                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 411                 fi
 412         ]
 413 )
 414
 415 AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]))
 416
 417 dnl UnixWare 2.x
 418 AC_CHECK_FUNC(strcasecmp,
 419         [], [ AC_CHECK_LIB(resolv, strcasecmp, LIBS="$LIBS -lresolv") ]
 420 )
 421 AC_CHECK_FUNC(utimes,
 422         [], [ AC_CHECK_LIB(c89, utimes, LIBS="$LIBS -lc89") ]
 423 )
 424
 425 dnl    Checks for libutil functions
 426 AC_CHECK_HEADERS(libutil.h)
 427 AC_SEARCH_LIBS(login, util bsd, [AC_DEFINE(HAVE_LOGIN)])
 428 AC_CHECK_FUNCS(logout updwtmp logwtmp)
 429
 430 AC_FUNC_STRFTIME
 431
 432 # Check for ALTDIRFUNC glob() extension
 433 AC_MSG_CHECKING(for GLOB_ALTDIRFUNC support)
 434 AC_EGREP_CPP(FOUNDIT,
 435         [
 436                 #include <glob.h>
 437                 #ifdef GLOB_ALTDIRFUNC
 438                 FOUNDIT
 439                 #endif
 440         ],
 441         [
 442                 AC_DEFINE(GLOB_HAS_ALTDIRFUNC)
 443                 AC_MSG_RESULT(yes)
 444         ],
 445         [
 446                 AC_MSG_RESULT(no)
 447         ]
 448 )
 449
 450 # Check for g.gl_matchc glob() extension
 451 AC_MSG_CHECKING(for gl_matchc field in glob_t)
 452 AC_EGREP_CPP(FOUNDIT,
 453         [
 454                 #include <glob.h>
 455                 int main(void){glob_t g; g.gl_matchc = 1;}
 456         ],
 457         [
 458                 AC_DEFINE(GLOB_HAS_GL_MATCHC)
 459                 AC_MSG_RESULT(yes)
 460         ],
 461         [
 462                 AC_MSG_RESULT(no)
 463         ]
 464 )
 465
 466 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 467 AC_TRY_RUN(
 468         [
 469 #include <sys/types.h>
 470 #include <dirent.h>
 471 int main(void){struct dirent d;return(sizeof(d.d_name)<=sizeof(char));}
 472         ],
 473         [AC_MSG_RESULT(yes)],
 474         [
 475                 AC_MSG_RESULT(no)
 476                 AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
 477         ]
 478 )
 479
 480 # Check whether the user wants GSI (Globus) support
 481 gsi_path="no"
 482 AC_ARG_WITH(gsi,
 483         [  --with-gsi=PATH         Enable GSI/Globus authentication support],
 484         [
 485                 gsi_path="$withval"
 486         ]
 487 )
 488
 489 AC_ARG_WITH(globus,
 490         [  --with-globus=PATH      Enable GSI/Globus authentication support],
 491         [
 492                 gsi_path="$withval"
 493         ]
 494 )
 495
 496 # Check whether the user has a Globus flavor type
 497 globus_flavor_type="no"
 498 AC_ARG_WITH(globus-flavor,
 499         [  --with-globus-flavor=TYPE         Describe Globus flavor type (ex: gcc32dbg, etc.)],
 500         [
 501                 globus_flavor_type="$withval"
 502         ]
 503 )
 504
 505 if test "x$gsi_path" != "xno" ; then
 506         # Globus GSSAPI configuration
 507         AC_DEFINE(GSSAPI)
 508         AC_DEFINE(GSI)
 509
 510         # Find GLOBUS/GSI installation Directory
 511         AC_MSG_CHECKING(for Globus/GSI installation directory)
 512
 513         globus_install_dir=$gsi_path
 514
 515         if test "x$globus_install_dir" = "xyes" ; then
 516                 AC_MSG_ERROR(Cannot find Globus/GSI installation directory -- a path must be specified!)
 517         fi
 518         AC_MSG_RESULT($globus_install_dir)
 519
 520         # Find GLOBUS/GSI development directory
 521         AC_MSG_CHECKING(for Globus/GSI development directory)
 522
 523         if test -d ${globus_install_dir}/lib ; then
 524                 # Looks like a flat directory structure from configure/make
 525                 # and not globus-install or gsi-install
 526                 globus_dev_dir=$globus_install_dir
 527
 528         else
 529                 # Assume a true globus installation with architecture
 530                 # directories and run globus-development-path to find
 531                 # the development directory
 532
 533                 # Set GLOBUS_INSTALL_PATH
 534                 GLOBUS_INSTALL_PATH=$globus_install_dir
 535                 export GLOBUS_INSTALL_PATH
 536
 537                 dev_path_program=${globus_install_dir}/bin/globus-development-path
 538
 539                 if test ! -x ${dev_path_program} ; then
 540                         AC_MSG_ERROR(Cannot find Globus/GSI installation directory: program ${dev_path_program} does not exist or is not executable)
 541                 fi
 542
 543                 globus_dev_dir=`${dev_path_program}`
 544
 545                 if test -z "$globus_dev_dir" -o "X$globus_dev_dir" = "X<not found>" ; then
 546                         AC_MSG_ERROR(Cannot find Globus/GSI development directory)
 547                 fi
 548
 549                 if test ! -d "$globus_dev_dir" ; then
 550                         AC_MSG_ERROR(Cannot find Globus/GSI development directory: $globus_dev_dir does not exist)
 551                 fi
 552         fi
 553         AC_MSG_RESULT($globus_dev_dir)
 554
 555         # Find GLOBUS/GSI flavor Directory
 556         AC_MSG_CHECKING(for Globus flavor type)
 557
 558         if test "x$globus_flavor_type" = "xno" ; then
 559                 GSI_LIBS="-lglobus_gss_assist -lglobus_gss -lglobus_gaa"
 560                 GSI_LDFLAGS="-L${globus_dev_dir}/lib"
 561                 GSI_CFLAGS="-I${globus_dev_dir}/include"
 562                 AC_MSG_RESULT(none)
 563         else
 564                 GLOBUS_FLAVOR_TYPE_INCL_DIR="${globus_dev_dir}/include/${globus_flavor_type}"
 565
 566                 if test ! -d "$GLOBUS_FLAVOR_TYPE_INCL_DIR" ; then
 567                         AC_MSG_ERROR(Cannot find Globus flavor-specific include directory: ${GLOBUS_FLAVOR_TYPE_INCL_DIR})
 568                 fi
 569
 570                 AC_MSG_RESULT($globus_flavor_type)
 571                 GSI_LIBS="${gsi_path}/lib/libglobus_gss_assist_${globus_flavor_type}.a ${gsi_path}/lib/libglobus_gssapi_gsi_${globus_flavor_type}.a"
 572                 GSI_CFLAGS="-I${GLOBUS_FLAVOR_TYPE_INCL_DIR}"
 573         fi
 574
 575         LIBS="$LIBS $GSI_LIBS"
 576         LDFLAGS="$LDFLAGS $GSI_LDFLAGS"
 577         CFLAGS="$CFLAGS $GSI_CFLAGS"
 578 # End Globus/GSI section
 579 fi
 580
 581 # Check whether user wants S/Key support
 582 SKEY_MSG="no"
 583 AC_ARG_WITH(skey,
 584         [  --with-skey[[=PATH]]      Enable S/Key support
 585                             (optionally in PATH)],
 586         [
 587                 if test "x$withval" != "xno" ; then
 588
 589                         if test "x$withval" != "xyes" ; then
 590                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
 591                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
 592                         fi
 593
 594                         AC_DEFINE(SKEY)
 595                         LIBS="-lskey $LIBS"
 596                         SKEY_MSG="yes"
 597
 598                         AC_MSG_CHECKING([for s/key support])
 599                         AC_TRY_RUN(
 600                                 [
 601 #include <stdio.h>
 602 #include <skey.h>
 603 int main() { char *ff = skey_keyinfo(""); ff=""; return 0; }
 604                                 ],
 605                                 [AC_MSG_RESULT(yes)],
 606                                 [
 607                                         AC_MSG_RESULT(no)
 608                                         AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
 609                                 ])
 610                 fi
 611         ]
 612 )
 613
 614 # Check whether user wants TCP wrappers support
 615 TCPW_MSG="no"
 616 AC_ARG_WITH(tcp-wrappers,
 617         [  --with-tcp-wrappers[[=PATH]]      Enable tcpwrappers support
 618                             (optionally in PATH)],
 619         [
 620                 if test "x$withval" != "xno" ; then
 621                         saved_LIBS="$LIBS"
 622                         saved_LDFLAGS="$LDFLAGS"
 623                         saved_CPPFLAGS="$CPPFLAGS"
 624                         if test -n "${withval}" -a "${withval}" != "yes"; then
 625                                 if test -d "${withval}/lib"; then
 626                                         if test -n "${need_dash_r}"; then
 627                                                 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 628                                         else
 629                                                 LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 630                                         fi
 631                                 else
 632                                         if test -n "${need_dash_r}"; then
 633                                                 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 634                                         else
 635                                                 LDFLAGS="-L${withval} ${LDFLAGS}"
 636                                         fi
 637                                 fi
 638                                 if test -d "${withval}/include"; then
 639                                         CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 640                                 else
 641                                         CPPFLAGS="-I${withval} ${CPPFLAGS}"
 642                                 fi
 643                         fi
 644                         LIBWRAP="-lwrap"
 645                         LIBS="$LIBWRAP $LIBS"
 646                         AC_MSG_CHECKING(for libwrap)
 647                         AC_TRY_LINK(
 648                                 [
 649 #include <tcpd.h>
 650                                         int deny_severity = 0, allow_severity = 0;
 651                                 ],
 652                                 [hosts_access(0);],
 653                                 [
 654                                         AC_MSG_RESULT(yes)
 655                                         AC_DEFINE(LIBWRAP)
 656                                         AC_SUBST(LIBWRAP)
 657                                         TCPW_MSG="yes"
 658                                 ],
 659                                 [
 660                                         AC_MSG_ERROR([*** libwrap missing])
 661                                 ]
 662                         )
 663                         LIBS="$saved_LIBS"
 664                 fi
 665         ]
 666 )
 667
 668 dnl    Checks for library functions.
 669 AC_CHECK_FUNCS(arc4random b64_ntop bcopy bindresvport_sa \
 670         clock fchmod fchown freeaddrinfo futimes gai_strerror \
 671         getaddrinfo getcwd getgrouplist getnameinfo getopt \
 672         getrlimit getrusage getttyent glob inet_aton inet_ntoa \
 673         inet_ntop innetgr login_getcapbool md5_crypt memmove \
 674         mkdtemp mmap ngetaddrinfo openpty ogetaddrinfo readpassphrase \
 675         realpath recvmsg rresvport_af sendmsg setdtablesize setegid \
 676         setenv seteuid setgroups setlogin setproctitle setresgid setreuid \
 677         setrlimit setsid setpcred setvbuf sigaction sigvec snprintf \
 678         socketpair strerror strlcat strlcpy strmode strsep sysconf tcgetpgrp \
 679         truncate utimes vhangup vsnprintf waitpid __b64_ntop _getpty)
 680
 681 if test $ac_cv_func_mmap = yes ; then
 682 AC_MSG_CHECKING([for mmap anon shared])
 683 AC_TRY_RUN(
 684         [
 685 #include <stdio.h>
 686 #include <sys/mman.h>
 687 #if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
 688 #define MAP_ANON MAP_ANONYMOUS
 689 #endif
 690 main() { char *p;
 691 p = (char *) mmap(NULL, 10, PROT_WRITE|PROT_READ, MAP_ANON|MAP_SHARED, -1, 0);
 692 if (p == (char *)-1)
 693         exit(1);
 694 exit(0);
 695 }
 696         ],
 697         [
 698                 AC_MSG_RESULT(yes)
 699                 AC_DEFINE(HAVE_MMAP_ANON_SHARED)
 700         ],
 701         [ AC_MSG_RESULT(no) ]
 702 )
 703 fi
 704
 705 dnl IRIX and Solaris 2.5.1 have dirname() in libgen
 706 AC_CHECK_FUNCS(dirname, [AC_CHECK_HEADERS(libgen.h)] ,[
 707         AC_CHECK_LIB(gen, dirname,[
 708                 AC_CACHE_CHECK([for broken dirname],
 709                         ac_cv_have_broken_dirname, [
 710                         save_LIBS="$LIBS"
 711                         LIBS="$LIBS -lgen"
 712                         AC_TRY_RUN(
 713                                 [
 714 #include <libgen.h>
 715 #include <string.h>
 716
 717 int main(int argc, char **argv) {
 718     char *s, buf[32];
 719
 720     strncpy(buf,"/etc", 32);
 721     s = dirname(buf);
 722     if (!s || strncmp(s, "/", 32) != 0) {
 723         exit(1);
 724     } else {
 725         exit(0);
 726     }
 727 }
 728                                 ],
 729                                 [ ac_cv_have_broken_dirname="no" ],
 730                                 [ ac_cv_have_broken_dirname="yes" ]
 731                         )
 732                         LIBS="$save_LIBS"
 733                 ])
 734                 if test "x$ac_cv_have_broken_dirname" = "xno" ; then
 735                         LIBS="$LIBS -lgen"
 736                         AC_DEFINE(HAVE_DIRNAME)
 737                         AC_CHECK_HEADERS(libgen.h)
 738                 fi
 739         ])
 740 ])
 741
 742 dnl    Checks for time functions
 743 AC_CHECK_FUNCS(gettimeofday time)
 744 dnl    Checks for utmp functions
 745 AC_CHECK_FUNCS(endutent getutent getutid getutline pututline setutent)
 746 AC_CHECK_FUNCS(utmpname)
 747 dnl    Checks for utmpx functions
 748 AC_CHECK_FUNCS(endutxent getutxent getutxid getutxline pututxline )
 749 AC_CHECK_FUNCS(setutxent utmpxname)
 750
 751 AC_CHECK_FUNC(daemon,
 752         [AC_DEFINE(HAVE_DAEMON)],
 753         [AC_CHECK_LIB(bsd, daemon, [LIBS="$LIBS -lbsd"; AC_DEFINE(HAVE_DAEMON)])]
 754 )
 755
 756 AC_CHECK_FUNC(getpagesize,
 757         [AC_DEFINE(HAVE_GETPAGESIZE)],
 758         [AC_CHECK_LIB(ucb, getpagesize, [LIBS="$LIBS -lucb"; AC_DEFINE(HAVE_GETPAGESIZE)])]
 759 )
 760
 761 # Check for broken snprintf
 762 if test "x$ac_cv_func_snprintf" = "xyes" ; then
 763         AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
 764         AC_TRY_RUN(
 765                 [
 766 #include <stdio.h>
 767 int main(void){char b[5];snprintf(b,5,"123456789");return(b[4]!='\0');}
 768                 ],
 769                 [AC_MSG_RESULT(yes)],
 770                 [
 771                         AC_MSG_RESULT(no)
 772                         AC_DEFINE(BROKEN_SNPRINTF)
 773                         AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
 774                 ]
 775         )
 776 fi
 777
 778 AC_FUNC_GETPGRP
 779
 780 # Check for PAM libs
 781 PAM_MSG="no"
 782 AC_ARG_WITH(pam,
 783         [  --with-pam              Enable PAM support ],
 784         [
 785                 if test "x$withval" != "xno" ; then
 786                         if test "x$ac_cv_header_security_pam_appl_h" != "xyes" ; then
 787                                 AC_MSG_ERROR([PAM headers not found])
 788                         fi
 789
 790                         AC_CHECK_LIB(dl, dlopen, , )
 791                         AC_CHECK_LIB(pam, pam_set_item, , AC_MSG_ERROR([*** libpam missing]))
 792                         AC_CHECK_FUNCS(pam_getenvlist)
 793                         AC_CHECK_FUNCS(pam_putenv)
 794
 795                         disable_shadow=yes
 796                         PAM_MSG="yes"
 797
 798                         AC_DEFINE(USE_PAM)
 799                         if test $ac_cv_lib_dl_dlopen = yes; then
 800                                 LIBPAM="-lpam -ldl"
 801                         else
 802                                 LIBPAM="-lpam"
 803                         fi
 804                         AC_SUBST(LIBPAM)
 805                 fi
 806         ]
 807 )
 808
 809 # Check for older PAM
 810 if test "x$PAM_MSG" = "xyes" ; then
 811         # Check PAM strerror arguments (old PAM)
 812         AC_MSG_CHECKING([whether pam_strerror takes only one argument])
 813         AC_TRY_COMPILE(
 814                 [
 815 #include <stdlib.h>
 816 #include <security/pam_appl.h>
 817                 ],
 818                 [(void)pam_strerror((pam_handle_t *)NULL, -1);],
 819                 [AC_MSG_RESULT(no)],
 820                 [
 821                         AC_DEFINE(HAVE_OLD_PAM)
 822                         AC_MSG_RESULT(yes)
 823                         PAM_MSG="yes (old library)"
 824                 ]
 825         )
 826 fi
 827
 828 # Search for OpenSSL
 829 saved_CPPFLAGS="$CPPFLAGS"
 830 saved_LDFLAGS="$LDFLAGS"
 831 AC_ARG_WITH(ssl-dir,
 832         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
 833         [
 834                 if test "x$withval" != "xno" ; then
 835                         if test -d "$withval/lib"; then
 836                                 if test -n "${need_dash_r}"; then
 837                                         LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}"
 838                                 else
 839                                         LDFLAGS="-L${withval}/lib ${LDFLAGS}"
 840                                 fi
 841                         else
 842                                 if test -n "${need_dash_r}"; then
 843                                         LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}"
 844                                 else
 845                                         LDFLAGS="-L${withval} ${LDFLAGS}"
 846                                 fi
 847                         fi
 848                         if test -d "$withval/include"; then
 849                                 CPPFLAGS="-I${withval}/include ${CPPFLAGS}"
 850                         else
 851                                 CPPFLAGS="-I${withval} ${CPPFLAGS}"
 852                         fi
 853                 fi
 854         ]
 855 )
 856
 857 # Patch up SSL libraries for GSI authentication as needed
 858 if test "x$globus_flavor_type" != "xno" ; then
 859         # For Globus 2, always link with the static libraries
 860         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"
 861 else
 862         if test "x$gsi_path" != "xno" ; then
 863                 # Older GSI needs -lssl too
 864                 LIBS="$LIBS -lssl -lcrypto"
 865         else # if no GSI authentication (i.e., OpenSSL default)
 866                 LIBS="$LIBS -lcrypto"
 867         fi
 868 fi # globus_flavor_type
 869
 870 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 871         [
 872                 dnl Check default openssl install dir
 873                 if test -n "${need_dash_r}"; then
 874                         LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}"
 875                 else
 876                         LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}"
 877                 fi
 878                 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}"
 879                 AC_TRY_LINK_FUNC(RAND_add, AC_DEFINE(HAVE_OPENSSL),
 880                         [
 881                                 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***])
 882                         ]
 883                 )
 884         ]
 885 )
 886
 887
 888 # Sanity check OpenSSL headers
 889 AC_MSG_CHECKING([whether OpenSSL's headers match the library])
 890 AC_TRY_RUN(
 891         [
 892 #include <string.h>
 893 #include <openssl/opensslv.h>
 894 int main(void) { return(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
 895         ],
 896         [
 897                 AC_MSG_RESULT(yes)
 898         ],
 899         [
 900                 AC_MSG_RESULT(no)
 901                 AC_MSG_ERROR(Your OpenSSL headers do not match your library)
 902         ]
 903 )
 904
 905 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
 906 # version in OpenSSL. Skip this for PAM
 907 if test "x$PAM_MSG" = "xno" -a "x$check_for_libcrypt_later" = "x1"; then
 908         AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
 909 fi
 910
 911
 912 ### Configure cryptographic random number support
 913
 914 # Check wheter OpenSSL seeds itself
 915 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
 916 AC_TRY_RUN(
 917         [
 918 #include <string.h>
 919 #include <openssl/rand.h>
 920 int main(void) { return(RAND_status() == 1 ? 0 : 1); }
 921         ],
 922         [
 923                 OPENSSL_SEEDS_ITSELF=yes
 924                 AC_MSG_RESULT(yes)
 925         ],
 926         [
 927                 AC_MSG_RESULT(no)
 928                 # Default to use of the rand helper if OpenSSL doesn't
 929                 # seed itself
 930                 USE_RAND_HELPER=yes
 931         ]
 932 )
 933
 934
 935 # Do we want to force the use of the rand helper?
 936 AC_ARG_WITH(rand-helper,
 937         [  --with-rand-helper      Use subprocess to gather strong randomness ],
 938         [
 939                 if test "x$withval" = "xno" ; then
 940                         # Force use of OpenSSL's internal RNG, even if
 941                         # the previous test showed it to be unseeded.
 942                         if test -z "$OPENSSL_SEEDS_ITSELF" ; then
 943                                 AC_MSG_WARN([*** Forcing use of OpenSSL's non-self-seeding PRNG])
 944                                 OPENSSL_SEEDS_ITSELF=yes
 945                                 USE_RAND_HELPER=""
 946                         fi
 947                 else
 948                         USE_RAND_HELPER=yes
 949                 fi
 950         ],
 951 )
 952
 953 # Which randomness source do we use?
 954 if test ! -z "$OPENSSL_SEEDS_ITSELF" -a -z "$USE_RAND_HELPER" ; then
 955         # OpenSSL only
 956         AC_DEFINE(OPENSSL_PRNG_ONLY)
 957         RAND_MSG="OpenSSL internal ONLY"
 958         INSTALL_SSH_RAND_HELPER=""
 959 elif test ! -z "$USE_RAND_HELPER" ; then
 960         # install rand helper
 961         RAND_MSG="ssh-rand-helper"
 962         INSTALL_SSH_RAND_HELPER="yes"
 963 fi
 964 AC_SUBST(INSTALL_SSH_RAND_HELPER)
 965
 966 ### Configuration of ssh-rand-helper
 967
 968 # PRNGD TCP socket
 969 AC_ARG_WITH(prngd-port,
 970         [  --with-prngd-port=PORT  read entropy from PRNGD/EGD TCP localhost:PORT],
 971         [
 972                 case "$withval" in
 973                 no)
 974                         withval=""
 975                         ;;
 976                 [[0-9]]*)
 977                         ;;
 978                 *)
 979                         AC_MSG_ERROR(You must specify a numeric port number for --with-prngd-port)
 980                         ;;
 981                 esac
 982                 if test ! -z "$withval" ; then
 983                         PRNGD_PORT="$withval"
 984                         AC_DEFINE_UNQUOTED(PRNGD_PORT, $PRNGD_PORT)
 985                 fi
 986         ]
 987 )
 988
 989 # PRNGD Unix domain socket
 990 AC_ARG_WITH(prngd-socket,
 991         [  --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)],
 992         [
 993                 case "$withval" in
 994                 yes)
 995                         withval="/var/run/egd-pool"
 996                         ;;
 997                 no)
 998                         withval=""
 999                         ;;
1000                 /*)
1001                         ;;
1002                 *)
1003                         AC_MSG_ERROR(You must specify an absolute path to the entropy socket)
1004                         ;;
1005                 esac
1006
1007                 if test ! -z "$withval" ; then
1008                         if test ! -z "$PRNGD_PORT" ; then
1009                                 AC_MSG_ERROR(You may not specify both a PRNGD/EGD port and socket)
1010                         fi
1011                         if test ! -r "$withval" ; then
1012                                 AC_MSG_WARN(Entropy socket is not readable)
1013                         fi
1014                         PRNGD_SOCKET="$withval"
1015                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1016                 fi
1017         ],
1018         [
1019                 # Check for existing socket only if we don't have a random device already
1020                 if test "$USE_RAND_HELPER" = yes ; then
1021                         AC_MSG_CHECKING(for PRNGD/EGD socket)
1022                         # Insert other locations here
1023                         for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do
1024                                 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then
1025                                         PRNGD_SOCKET="$sock"
1026                                         AC_DEFINE_UNQUOTED(PRNGD_SOCKET, "$PRNGD_SOCKET")
1027                                         break;
1028                                 fi
1029                         done
1030                         if test ! -z "$PRNGD_SOCKET" ; then
1031                                 AC_MSG_RESULT($PRNGD_SOCKET)
1032                         else
1033                                 AC_MSG_RESULT(not found)
1034                         fi
1035                 fi
1036         ]
1037 )
1038
1039 # Change default command timeout for hashing entropy source
1040 entropy_timeout=200
1041 AC_ARG_WITH(entropy-timeout,
1042         [  --with-entropy-timeout  Specify entropy gathering command timeout (msec)],
1043         [
1044                 if test "x$withval" != "xno" ; then
1045                         entropy_timeout=$withval
1046                 fi
1047         ]
1048 )
1049 AC_DEFINE_UNQUOTED(ENTROPY_TIMEOUT_MSEC, $entropy_timeout)
1050
1051 SSH_PRIVSEP_USER=sshd
1052 AC_ARG_WITH(privsep-user,
1053         [  --with-privsep-user=user Specify non-privileged user for privilege separation],
1054         [
1055                 if test -n "$withval"; then
1056                         SSH_PRIVSEP_USER=$withval
1057                 fi
1058         ]
1059 )
1060 AC_DEFINE_UNQUOTED(SSH_PRIVSEP_USER, "$SSH_PRIVSEP_USER")
1061 AC_SUBST(SSH_PRIVSEP_USER)
1062
1063 # We do this little dance with the search path to insure
1064 # that programs that we select for use by installed programs
1065 # (which may be run by the super-user) come from trusted
1066 # locations before they come from the user's private area.
1067 # This should help avoid accidentally configuring some
1068 # random version of a program in someone's personal bin.
1069
1070 OPATH=$PATH
1071 PATH=/bin:/usr/bin
1072 test -h /bin 2> /dev/null && PATH=/usr/bin
1073 test -d /sbin && PATH=$PATH:/sbin
1074 test -d /usr/sbin && PATH=$PATH:/usr/sbin
1075 PATH=$PATH:/etc:$OPATH
1076
1077 # These programs are used by the command hashing source to gather entropy
1078 OSSH_PATH_ENTROPY_PROG(PROG_LS, ls)
1079 OSSH_PATH_ENTROPY_PROG(PROG_NETSTAT, netstat)
1080 OSSH_PATH_ENTROPY_PROG(PROG_ARP, arp)
1081 OSSH_PATH_ENTROPY_PROG(PROG_IFCONFIG, ifconfig)
1082 OSSH_PATH_ENTROPY_PROG(PROG_JSTAT, jstat)
1083 OSSH_PATH_ENTROPY_PROG(PROG_PS, ps)
1084 OSSH_PATH_ENTROPY_PROG(PROG_SAR, sar)
1085 OSSH_PATH_ENTROPY_PROG(PROG_W, w)
1086 OSSH_PATH_ENTROPY_PROG(PROG_WHO, who)
1087 OSSH_PATH_ENTROPY_PROG(PROG_LAST, last)
1088 OSSH_PATH_ENTROPY_PROG(PROG_LASTLOG, lastlog)
1089 OSSH_PATH_ENTROPY_PROG(PROG_DF, df)
1090 OSSH_PATH_ENTROPY_PROG(PROG_VMSTAT, vmstat)
1091 OSSH_PATH_ENTROPY_PROG(PROG_UPTIME, uptime)
1092 OSSH_PATH_ENTROPY_PROG(PROG_IPCS, ipcs)
1093 OSSH_PATH_ENTROPY_PROG(PROG_TAIL, tail)
1094 # restore PATH
1095 PATH=$OPATH
1096
1097 # Where does ssh-rand-helper get its randomness from?
1098 INSTALL_SSH_PRNG_CMDS=""
1099 if test ! -z "$INSTALL_SSH_RAND_HELPER" ; then
1100         if test ! -z "$PRNGD_PORT" ; then
1101                 RAND_HELPER_MSG="TCP localhost:$PRNGD_PORT"
1102         elif test ! -z "$PRNGD_SOCKET" ; then
1103                 RAND_HELPER_MSG="Unix domain socket \"$PRNGD_SOCKET\""
1104         else
1105                 RAND_HELPER_MSG="Command hashing (timeout $entropy_timeout)"
1106                 RAND_HELPER_CMDHASH=yes
1107                 INSTALL_SSH_PRNG_CMDS="yes"
1108         fi
1109 fi
1110 AC_SUBST(INSTALL_SSH_PRNG_CMDS)
1111
1112
1113 # Cheap hack to ensure NEWS-OS libraries are arranged right.
1114 if test ! -z "$SONY" ; then
1115   LIBS="$LIBS -liberty";
1116 fi
1117
1118 # Checks for data types
1119 AC_CHECK_SIZEOF(char, 1)
1120 AC_CHECK_SIZEOF(short int, 2)
1121 AC_CHECK_SIZEOF(int, 4)
1122 AC_CHECK_SIZEOF(long int, 4)
1123 AC_CHECK_SIZEOF(long long int, 8)
1124
1125 # Sanity check long long for some platforms (AIX)
1126 if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then
1127         ac_cv_sizeof_long_long_int=0
1128 fi
1129
1130 # More checks for data types
1131 AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
1132         AC_TRY_COMPILE(
1133                 [ #include <sys/types.h> ],
1134                 [ u_int a; a = 1;],
1135                 [ ac_cv_have_u_int="yes" ],
1136                 [ ac_cv_have_u_int="no" ]
1137         )
1138 ])
1139 if test "x$ac_cv_have_u_int" = "xyes" ; then
1140         AC_DEFINE(HAVE_U_INT)
1141         have_u_int=1
1142 fi
1143
1144 AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
1145         AC_TRY_COMPILE(
1146                 [ #include <sys/types.h> ],
1147                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1148                 [ ac_cv_have_intxx_t="yes" ],
1149                 [ ac_cv_have_intxx_t="no" ]
1150         )
1151 ])
1152 if test "x$ac_cv_have_intxx_t" = "xyes" ; then
1153         AC_DEFINE(HAVE_INTXX_T)
1154         have_intxx_t=1
1155 fi
1156
1157 if (test -z "$have_intxx_t" && \
1158            test "x$ac_cv_header_stdint_h" = "xyes")
1159 then
1160     AC_MSG_CHECKING([for intXX_t types in stdint.h])
1161         AC_TRY_COMPILE(
1162                 [ #include <stdint.h> ],
1163                 [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
1164                 [
1165                         AC_DEFINE(HAVE_INTXX_T)
1166                         AC_MSG_RESULT(yes)
1167                 ],
1168                 [ AC_MSG_RESULT(no) ]
1169         )
1170 fi
1171
1172 AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
1173         AC_TRY_COMPILE(
1174                 [ #include <sys/types.h> ],
1175                 [ int64_t a; a = 1;],
1176                 [ ac_cv_have_int64_t="yes" ],
1177                 [ ac_cv_have_int64_t="no" ]
1178         )
1179 ])
1180 if test "x$ac_cv_have_int64_t" = "xyes" ; then
1181         AC_DEFINE(HAVE_INT64_T)
1182         have_int64_t=1
1183 fi
1184
1185 if test -z "$have_int64_t" ; then
1186     AC_MSG_CHECKING([for int64_t type in sys/socket.h])
1187         AC_TRY_COMPILE(
1188                 [ #include <sys/socket.h> ],
1189                 [ int64_t a; a = 1],
1190                 [
1191                         AC_DEFINE(HAVE_INT64_T)
1192                         AC_MSG_RESULT(yes)
1193                 ],
1194                 [ AC_MSG_RESULT(no) ]
1195         )
1196 fi
1197
1198 if test -z "$have_int64_t" ; then
1199     AC_MSG_CHECKING([for int64_t type in sys/bitypes.h])
1200         AC_TRY_COMPILE(
1201                 [ #include <sys/bitypes.h> ],
1202                 [ int64_t a; a = 1],
1203                 [
1204                         AC_DEFINE(HAVE_INT64_T)
1205                         AC_MSG_RESULT(yes)
1206                 ],
1207                 [ AC_MSG_RESULT(no) ]
1208         )
1209 fi
1210
1211 AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
1212         AC_TRY_COMPILE(
1213                 [ #include <sys/types.h> ],
1214                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1215                 [ ac_cv_have_u_intxx_t="yes" ],
1216                 [ ac_cv_have_u_intxx_t="no" ]
1217         )
1218 ])
1219 if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
1220         AC_DEFINE(HAVE_U_INTXX_T)
1221         have_u_intxx_t=1
1222 fi
1223
1224 if test -z "$have_u_intxx_t" ; then
1225     AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
1226         AC_TRY_COMPILE(
1227                 [ #include <sys/socket.h> ],
1228                 [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
1229                 [
1230                         AC_DEFINE(HAVE_U_INTXX_T)
1231                         AC_MSG_RESULT(yes)
1232                 ],
1233                 [ AC_MSG_RESULT(no) ]
1234         )
1235 fi
1236
1237 AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
1238         AC_TRY_COMPILE(
1239                 [ #include <sys/types.h> ],
1240                 [ u_int64_t a; a = 1;],
1241                 [ ac_cv_have_u_int64_t="yes" ],
1242                 [ ac_cv_have_u_int64_t="no" ]
1243         )
1244 ])
1245 if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
1246         AC_DEFINE(HAVE_U_INT64_T)
1247         have_u_int64_t=1
1248 fi
1249
1250 if test -z "$have_u_int64_t" ; then
1251     AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
1252         AC_TRY_COMPILE(
1253                 [ #include <sys/bitypes.h> ],
1254                 [ u_int64_t a; a = 1],
1255                 [
1256                         AC_DEFINE(HAVE_U_INT64_T)
1257                         AC_MSG_RESULT(yes)
1258                 ],
1259                 [ AC_MSG_RESULT(no) ]
1260         )
1261 fi
1262
1263 if test -z "$have_u_intxx_t" ; then
1264         AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
1265                 AC_TRY_COMPILE(
1266                         [
1267 #include <sys/types.h>
1268                         ],
1269                         [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
1270                         [ ac_cv_have_uintxx_t="yes" ],
1271                         [ ac_cv_have_uintxx_t="no" ]
1272                 )
1273         ])
1274         if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
1275                 AC_DEFINE(HAVE_UINTXX_T)
1276         fi
1277 fi
1278
1279 if test -z "$have_uintxx_t" ; then
1280     AC_MSG_CHECKING([for uintXX_t types in stdint.h])
1281         AC_TRY_COMPILE(
1282                 [ #include <stdint.h> ],
1283                 [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
1284                 [
1285                         AC_DEFINE(HAVE_UINTXX_T)
1286                         AC_MSG_RESULT(yes)
1287                 ],
1288                 [ AC_MSG_RESULT(no) ]
1289         )
1290 fi
1291
1292 if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
1293            test "x$ac_cv_header_sys_bitypes_h" = "xyes")
1294 then
1295         AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
1296         AC_TRY_COMPILE(
1297                 [
1298 #include <sys/bitypes.h>
1299                 ],
1300                 [
1301                         int8_t a; int16_t b; int32_t c;
1302                         u_int8_t e; u_int16_t f; u_int32_t g;
1303                         a = b = c = e = f = g = 1;
1304                 ],
1305                 [
1306                         AC_DEFINE(HAVE_U_INTXX_T)
1307                         AC_DEFINE(HAVE_INTXX_T)
1308                         AC_MSG_RESULT(yes)
1309                 ],
1310                 [AC_MSG_RESULT(no)]
1311         )
1312 fi
1313
1314
1315 AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
1316         AC_TRY_COMPILE(
1317                 [
1318 #include <sys/types.h>
1319                 ],
1320                 [ u_char foo; foo = 125; ],
1321                 [ ac_cv_have_u_char="yes" ],
1322                 [ ac_cv_have_u_char="no" ]
1323         )
1324 ])
1325 if test "x$ac_cv_have_u_char" = "xyes" ; then
1326         AC_DEFINE(HAVE_U_CHAR)
1327 fi
1328
1329 TYPE_SOCKLEN_T
1330
1331 AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
1332
1333 AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
1334         AC_TRY_COMPILE(
1335                 [
1336 #include <sys/types.h>
1337                 ],
1338                 [ size_t foo; foo = 1235; ],
1339                 [ ac_cv_have_size_t="yes" ],
1340                 [ ac_cv_have_size_t="no" ]
1341         )
1342 ])
1343 if test "x$ac_cv_have_size_t" = "xyes" ; then
1344         AC_DEFINE(HAVE_SIZE_T)
1345 fi
1346
1347 AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
1348         AC_TRY_COMPILE(
1349                 [
1350 #include <sys/types.h>
1351                 ],
1352                 [ ssize_t foo; foo = 1235; ],
1353                 [ ac_cv_have_ssize_t="yes" ],
1354                 [ ac_cv_have_ssize_t="no" ]
1355         )
1356 ])
1357 if test "x$ac_cv_have_ssize_t" = "xyes" ; then
1358         AC_DEFINE(HAVE_SSIZE_T)
1359 fi
1360
1361 AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
1362         AC_TRY_COMPILE(
1363                 [
1364 #include <time.h>
1365                 ],
1366                 [ clock_t foo; foo = 1235; ],
1367                 [ ac_cv_have_clock_t="yes" ],
1368                 [ ac_cv_have_clock_t="no" ]
1369         )
1370 ])
1371 if test "x$ac_cv_have_clock_t" = "xyes" ; then
1372         AC_DEFINE(HAVE_CLOCK_T)
1373 fi
1374
1375 AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
1376         AC_TRY_COMPILE(
1377                 [
1378 #include <sys/types.h>
1379 #include <sys/socket.h>
1380                 ],
1381                 [ sa_family_t foo; foo = 1235; ],
1382                 [ ac_cv_have_sa_family_t="yes" ],
1383                 [ AC_TRY_COMPILE(
1384                   [
1385 #include <sys/types.h>
1386 #include <sys/socket.h>
1387 #include <netinet/in.h>
1388                 ],
1389                 [ sa_family_t foo; foo = 1235; ],
1390                 [ ac_cv_have_sa_family_t="yes" ],
1391
1392                 [ ac_cv_have_sa_family_t="no" ]
1393         )]
1394         )
1395 ])
1396 if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
1397         AC_DEFINE(HAVE_SA_FAMILY_T)
1398 fi
1399
1400 AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
1401         AC_TRY_COMPILE(
1402                 [
1403 #include <sys/types.h>
1404                 ],
1405                 [ pid_t foo; foo = 1235; ],
1406                 [ ac_cv_have_pid_t="yes" ],
1407                 [ ac_cv_have_pid_t="no" ]
1408         )
1409 ])
1410 if test "x$ac_cv_have_pid_t" = "xyes" ; then
1411         AC_DEFINE(HAVE_PID_T)
1412 fi
1413
1414 AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
1415         AC_TRY_COMPILE(
1416                 [
1417 #include <sys/types.h>
1418                 ],
1419                 [ mode_t foo; foo = 1235; ],
1420                 [ ac_cv_have_mode_t="yes" ],
1421                 [ ac_cv_have_mode_t="no" ]
1422         )
1423 ])
1424 if test "x$ac_cv_have_mode_t" = "xyes" ; then
1425         AC_DEFINE(HAVE_MODE_T)
1426 fi
1427
1428
1429 AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
1430         AC_TRY_COMPILE(
1431                 [
1432 #include <sys/types.h>
1433 #include <sys/socket.h>
1434                 ],
1435                 [ struct sockaddr_storage s; ],
1436                 [ ac_cv_have_struct_sockaddr_storage="yes" ],
1437                 [ ac_cv_have_struct_sockaddr_storage="no" ]
1438         )
1439 ])
1440 if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
1441         AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
1442 fi
1443
1444 AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
1445         AC_TRY_COMPILE(
1446                 [
1447 #include <sys/types.h>
1448 #include <netinet/in.h>
1449                 ],
1450                 [ struct sockaddr_in6 s; s.sin6_family = 0; ],
1451                 [ ac_cv_have_struct_sockaddr_in6="yes" ],
1452                 [ ac_cv_have_struct_sockaddr_in6="no" ]
1453         )
1454 ])
1455 if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
1456         AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
1457 fi
1458
1459 AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
1460         AC_TRY_COMPILE(
1461                 [
1462 #include <sys/types.h>
1463 #include <netinet/in.h>
1464                 ],
1465                 [ struct in6_addr s; s.s6_addr[0] = 0; ],
1466                 [ ac_cv_have_struct_in6_addr="yes" ],
1467                 [ ac_cv_have_struct_in6_addr="no" ]
1468         )
1469 ])
1470 if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
1471         AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
1472 fi
1473
1474 AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
1475         AC_TRY_COMPILE(
1476                 [
1477 #include <sys/types.h>
1478 #include <sys/socket.h>
1479 #include <netdb.h>
1480                 ],
1481                 [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
1482                 [ ac_cv_have_struct_addrinfo="yes" ],
1483                 [ ac_cv_have_struct_addrinfo="no" ]
1484         )
1485 ])
1486 if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
1487         AC_DEFINE(HAVE_STRUCT_ADDRINFO)
1488 fi
1489
1490 AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
1491         AC_TRY_COMPILE(
1492                 [ #include <sys/time.h> ],
1493                 [ struct timeval tv; tv.tv_sec = 1;],
1494                 [ ac_cv_have_struct_timeval="yes" ],
1495                 [ ac_cv_have_struct_timeval="no" ]
1496         )
1497 ])
1498 if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
1499         AC_DEFINE(HAVE_STRUCT_TIMEVAL)
1500         have_struct_timeval=1
1501 fi
1502
1503 # If we don't have int64_t then we can't compile sftp-server.  So don't
1504 # even attempt to do it.
1505 if test "x$ac_cv_have_int64_t" = "xno" -a \
1506         "x$ac_cv_sizeof_long_int" != "x8" -a \
1507         "x$ac_cv_sizeof_long_long_int" = "x0" ; then
1508         NO_SFTP='#'
1509 else
1510 dnl test snprintf (broken on SCO w/gcc)
1511         AC_TRY_RUN(
1512                 [
1513 #include <stdio.h>
1514 #include <string.h>
1515 #ifdef HAVE_SNPRINTF
1516 main()
1517 {
1518         char buf[50];
1519         char expected_out[50];
1520         int mazsize = 50 ;
1521 #if (SIZEOF_LONG_INT == 8)
1522         long int num = 0x7fffffffffffffff;
1523 #else
1524         long long num = 0x7fffffffffffffffll;
1525 #endif
1526         strcpy(expected_out, "9223372036854775807");
1527         snprintf(buf, mazsize, "%lld", num);
1528         if(strcmp(buf, expected_out) != 0)
1529                 exit(1);
1530         exit(0);
1531 }
1532 #else
1533 main() { exit(0); }
1534 #endif
1535                 ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
1536         )
1537 fi
1538 AC_SUBST(NO_SFTP)
1539
1540 dnl Checks for structure members
1541 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmp.h, HAVE_HOST_IN_UTMP)
1542 OSSH_CHECK_HEADER_FOR_FIELD(ut_host, utmpx.h, HAVE_HOST_IN_UTMPX)
1543 OSSH_CHECK_HEADER_FOR_FIELD(syslen, utmpx.h, HAVE_SYSLEN_IN_UTMPX)
1544 OSSH_CHECK_HEADER_FOR_FIELD(ut_pid, utmp.h, HAVE_PID_IN_UTMP)
1545 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmp.h, HAVE_TYPE_IN_UTMP)
1546 OSSH_CHECK_HEADER_FOR_FIELD(ut_type, utmpx.h, HAVE_TYPE_IN_UTMPX)
1547 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmp.h, HAVE_TV_IN_UTMP)
1548 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmp.h, HAVE_ID_IN_UTMP)
1549 OSSH_CHECK_HEADER_FOR_FIELD(ut_id, utmpx.h, HAVE_ID_IN_UTMPX)
1550 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmp.h, HAVE_ADDR_IN_UTMP)
1551 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr, utmpx.h, HAVE_ADDR_IN_UTMPX)
1552 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmp.h, HAVE_ADDR_V6_IN_UTMP)
1553 OSSH_CHECK_HEADER_FOR_FIELD(ut_addr_v6, utmpx.h, HAVE_ADDR_V6_IN_UTMPX)
1554 OSSH_CHECK_HEADER_FOR_FIELD(ut_exit, utmp.h, HAVE_EXIT_IN_UTMP)
1555 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmp.h, HAVE_TIME_IN_UTMP)
1556 OSSH_CHECK_HEADER_FOR_FIELD(ut_time, utmpx.h, HAVE_TIME_IN_UTMPX)
1557 OSSH_CHECK_HEADER_FOR_FIELD(ut_tv, utmpx.h, HAVE_TV_IN_UTMPX)
1558
1559 AC_CHECK_MEMBERS([struct stat.st_blksize])
1560
1561 AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
1562                 ac_cv_have_ss_family_in_struct_ss, [
1563         AC_TRY_COMPILE(
1564                 [
1565 #include <sys/types.h>
1566 #include <sys/socket.h>
1567                 ],
1568                 [ struct sockaddr_storage s; s.ss_family = 1; ],
1569                 [ ac_cv_have_ss_family_in_struct_ss="yes" ],
1570                 [ ac_cv_have_ss_family_in_struct_ss="no" ],
1571         )
1572 ])
1573 if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
1574         AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
1575 fi
1576
1577 AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
1578                 ac_cv_have___ss_family_in_struct_ss, [
1579         AC_TRY_COMPILE(
1580                 [
1581 #include <sys/types.h>
1582 #include <sys/socket.h>
1583                 ],
1584                 [ struct sockaddr_storage s; s.__ss_family = 1; ],
1585                 [ ac_cv_have___ss_family_in_struct_ss="yes" ],
1586                 [ ac_cv_have___ss_family_in_struct_ss="no" ]
1587         )
1588 ])
1589 if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
1590         AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
1591 fi
1592
1593 AC_CACHE_CHECK([for pw_class field in struct passwd],
1594                 ac_cv_have_pw_class_in_struct_passwd, [
1595         AC_TRY_COMPILE(
1596                 [
1597 #include <pwd.h>
1598                 ],
1599                 [ struct passwd p; p.pw_class = 0; ],
1600                 [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
1601                 [ ac_cv_have_pw_class_in_struct_passwd="no" ]
1602         )
1603 ])
1604 if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
1605         AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
1606 fi
1607
1608 AC_CACHE_CHECK([for pw_expire field in struct passwd],
1609                 ac_cv_have_pw_expire_in_struct_passwd, [
1610         AC_TRY_COMPILE(
1611                 [
1612 #include <pwd.h>
1613                 ],
1614                 [ struct passwd p; p.pw_expire = 0; ],
1615                 [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
1616                 [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
1617         )
1618 ])
1619 if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
1620         AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
1621 fi
1622
1623 AC_CACHE_CHECK([for pw_change field in struct passwd],
1624                 ac_cv_have_pw_change_in_struct_passwd, [
1625         AC_TRY_COMPILE(
1626                 [
1627 #include <pwd.h>
1628                 ],
1629                 [ struct passwd p; p.pw_change = 0; ],
1630                 [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
1631                 [ ac_cv_have_pw_change_in_struct_passwd="no" ]
1632         )
1633 ])
1634 if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
1635         AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
1636 fi
1637
1638 dnl make sure we're using the real structure members and not defines
1639 AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
1640                 ac_cv_have_accrights_in_msghdr, [
1641         AC_TRY_RUN(
1642                 [
1643 #include <sys/types.h>
1644 #include <sys/socket.h>
1645 #include <sys/uio.h>
1646 int main() {
1647 #ifdef msg_accrights
1648 exit(1);
1649 #endif
1650 struct msghdr m;
1651 m.msg_accrights = 0;
1652 exit(0);
1653 }
1654                 ],
1655                 [ ac_cv_have_accrights_in_msghdr="yes" ],
1656                 [ ac_cv_have_accrights_in_msghdr="no" ]
1657         )
1658 ])
1659 if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
1660         AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
1661 fi
1662
1663 AC_CACHE_CHECK([for msg_control field in struct msghdr],
1664                 ac_cv_have_control_in_msghdr, [
1665         AC_TRY_RUN(
1666                 [
1667 #include <sys/types.h>
1668 #include <sys/socket.h>
1669 #include <sys/uio.h>
1670 int main() {
1671 #ifdef msg_control
1672 exit(1);
1673 #endif
1674 struct msghdr m;
1675 m.msg_control = 0;
1676 exit(0);
1677 }
1678                 ],
1679                 [ ac_cv_have_control_in_msghdr="yes" ],
1680                 [ ac_cv_have_control_in_msghdr="no" ]
1681         )
1682 ])
1683 if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
1684         AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
1685 fi
1686
1687 AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
1688         AC_TRY_LINK([],
1689                 [ extern char *__progname; printf("%s", __progname); ],
1690                 [ ac_cv_libc_defines___progname="yes" ],
1691                 [ ac_cv_libc_defines___progname="no" ]
1692         )
1693 ])
1694 if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
1695         AC_DEFINE(HAVE___PROGNAME)
1696 fi
1697
1698 AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
1699         AC_TRY_LINK([
1700 #include <stdio.h>
1701 ],
1702                 [ printf("%s", __FUNCTION__); ],
1703                 [ ac_cv_cc_implements___FUNCTION__="yes" ],
1704                 [ ac_cv_cc_implements___FUNCTION__="no" ]
1705         )
1706 ])
1707 if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
1708         AC_DEFINE(HAVE___FUNCTION__)
1709 fi
1710
1711 AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
1712         AC_TRY_LINK([
1713 #include <stdio.h>
1714 ],
1715                 [ printf("%s", __func__); ],
1716                 [ ac_cv_cc_implements___func__="yes" ],
1717                 [ ac_cv_cc_implements___func__="no" ]
1718         )
1719 ])
1720 if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
1721         AC_DEFINE(HAVE___func__)
1722 fi
1723
1724 AC_CACHE_CHECK([whether getopt has optreset support],
1725                 ac_cv_have_getopt_optreset, [
1726         AC_TRY_LINK(
1727                 [
1728 #include <getopt.h>
1729                 ],
1730                 [ extern int optreset; optreset = 0; ],
1731                 [ ac_cv_have_getopt_optreset="yes" ],
1732                 [ ac_cv_have_getopt_optreset="no" ]
1733         )
1734 ])
1735 if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
1736         AC_DEFINE(HAVE_GETOPT_OPTRESET)
1737 fi
1738
1739 AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
1740         AC_TRY_LINK([],
1741                 [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
1742                 [ ac_cv_libc_defines_sys_errlist="yes" ],
1743                 [ ac_cv_libc_defines_sys_errlist="no" ]
1744         )
1745 ])
1746 if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
1747         AC_DEFINE(HAVE_SYS_ERRLIST)
1748 fi
1749
1750
1751 AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
1752         AC_TRY_LINK([],
1753                 [ extern int sys_nerr; printf("%i", sys_nerr);],
1754                 [ ac_cv_libc_defines_sys_nerr="yes" ],
1755                 [ ac_cv_libc_defines_sys_nerr="no" ]
1756         )
1757 ])
1758 if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
1759         AC_DEFINE(HAVE_SYS_NERR)
1760 fi
1761
1762 SCARD_MSG="no"
1763
1764 # Check whether user wants sectok support
1765 AC_ARG_WITH(sectok,
1766         [  --with-sectok           Enable smartcard support using libsectok],
1767         [
1768                 if test "x$withval" != "xno" ; then
1769                         if test "x$withval" != "xyes" ; then
1770                                 CPPFLAGS="$CPPFLAGS -I${withval}"
1771                                 LDFLAGS="$LDFLAGS -L${withval}"
1772                                 if test ! -z "$need_dash_r" ; then
1773                                         LDFLAGS="$LDFLAGS -R${withval}"
1774                                 fi
1775                                 if test ! -z "$blibpath" ; then
1776                                         blibpath="$blibpath:${withval}"
1777                                 fi
1778                         fi
1779                         AC_CHECK_HEADERS(sectok.h)
1780                         if test "$ac_cv_header_sectok_h" != yes; then
1781                                 AC_MSG_ERROR(Can't find sectok.h)
1782                         fi
1783                         AC_CHECK_LIB(sectok, sectok_open)
1784                         if test "$ac_cv_lib_sectok_sectok_open" != yes; then
1785                                 AC_MSG_ERROR(Can't find libsectok)
1786                         fi
1787                         AC_DEFINE(SMARTCARD)
1788                         AC_DEFINE(USE_SECTOK)
1789                         SCARD_MSG="yes, using sectok"
1790                 fi
1791         ]
1792 )
1793
1794 # Check whether user wants OpenSC support
1795 AC_ARG_WITH(opensc,
1796         AC_HELP_STRING([--with-opensc=PFX],
1797                        [Enable smartcard support using OpenSC]),
1798         opensc_config_prefix="$withval", opensc_config_prefix="")
1799 if test x$opensc_config_prefix != x ; then
1800   OPENSC_CONFIG=$opensc_config_prefix/bin/opensc-config
1801   AC_PATH_PROG(OPENSC_CONFIG, opensc-config, no)
1802   if test "$OPENSC_CONFIG" != "no"; then
1803     LIBOPENSC_CFLAGS=`$OPENSC_CONFIG --cflags`
1804     LIBOPENSC_LIBS=`$OPENSC_CONFIG --libs`
1805     CPPFLAGS="$CPPFLAGS $LIBOPENSC_CFLAGS"
1806     LDFLAGS="$LDFLAGS $LIBOPENSC_LIBS"
1807     AC_DEFINE(SMARTCARD)
1808     AC_DEFINE(USE_OPENSC)
1809     SCARD_MSG="yes, using OpenSC"
1810   fi
1811 fi
1812
1813 # Check whether user wants Kerberos 5 support
1814 KRB5_MSG="no"
1815 AC_ARG_WITH(kerberos5,
1816         [  --with-kerberos5=PATH   Enable Kerberos 5 support],
1817         [
1818                 if test "x$withval" != "xno" ; then
1819                         if test "x$withval" = "xyes" ; then
1820                                 KRB5ROOT="/usr/local"
1821                         else
1822                                 KRB5ROOT=${withval}
1823                         fi
1824                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include"
1825                         LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib"
1826                         AC_DEFINE(KRB5)
1827                         KRB5_MSG="yes"
1828                         AC_MSG_CHECKING(whether we are using Heimdal)
1829                         AC_TRY_COMPILE([ #include <krb5.h> ],
1830                                        [ char *tmp = heimdal_version; ],
1831                                        [ AC_MSG_RESULT(yes)
1832                                          AC_DEFINE(HEIMDAL)
1833                                          K5LIBS="-lkrb5 -ldes -lcom_err -lasn1 -lroken"
1834                                        ],
1835                                        [ AC_MSG_RESULT(no)
1836                                          K5LIBS="-lkrb5 -lk5crypto -lcom_err"
1837                                        ]
1838                         )
1839                         if test ! -z "$need_dash_r" ; then
1840                                 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib"
1841                         fi
1842                         if test ! -z "$blibpath" ; then
1843                                 blibpath="$blibpath:${KRB5ROOT}/lib"
1844                         fi
1845                         AC_CHECK_LIB(resolv, dn_expand, , )
1846
1847                         AC_CHECK_LIB(gssapi,gss_init_sec_context,
1848                                 [ AC_DEFINE(GSSAPI)
1849                                   K5LIBS="-lgssapi $K5LIBS" ],
1850                                 [ AC_CHECK_LIB(gssapi_krb5,gss_init_sec_context,
1851                                         [ AC_DEFINE(GSSAPI)
1852                                           K5LIBS="-lgssapi_krb5 $K5LIBS" ],
1853                                         AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail]),
1854                                         $K5LIBS)
1855                                 ],
1856                                 $K5LIBS)
1857
1858                         AC_CHECK_HEADER(gssapi.h, ,
1859                                 [ unset ac_cv_header_gssapi_h
1860                                   CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
1861                                   AC_CHECK_HEADERS(gssapi.h, ,
1862                                         AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail])
1863                                   )
1864                                 ]
1865                         )
1866
1867                         oldCPP="$CPPFLAGS"
1868                         CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi"
1869                         AC_CHECK_HEADER(gssapi_krb5.h, ,
1870                                         [ CPPFLAGS="$oldCPP" ])
1871
1872                         KRB5=yes
1873                 fi
1874         ]
1875 )
1876 # Check whether user wants Kerberos 4 support
1877 KRB4_MSG="no"
1878 AC_ARG_WITH(kerberos4,
1879         [  --with-kerberos4=PATH   Enable Kerberos 4 support],
1880         [
1881                 if test "x$withval" != "xno" ; then
1882                         if test "x$withval" != "xyes" ; then
1883                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1884                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1885                                 if test ! -z "$need_dash_r" ; then
1886                                         LDFLAGS="$LDFLAGS -R${withval}/lib"
1887                                 fi
1888                                 if test ! -z "$blibpath" ; then
1889                                         blibpath="$blibpath:${withval}/lib"
1890                                 fi
1891                         else
1892                                 if test -d /usr/include/kerberosIV ; then
1893                                         CPPFLAGS="$CPPFLAGS -I/usr/include/kerberosIV"
1894                                 fi
1895                         fi
1896
1897                         AC_CHECK_HEADERS(krb.h)
1898                         if test "$ac_cv_header_krb_h" != yes; then
1899                                 AC_MSG_WARN([Cannot find krb.h, build may fail])
1900                         fi
1901                         AC_CHECK_LIB(krb, main)
1902                         if test "$ac_cv_lib_krb_main" != yes; then
1903                                 AC_CHECK_LIB(krb4, main)
1904                                 if test "$ac_cv_lib_krb4_main" != yes; then
1905                                         AC_MSG_WARN([Cannot find libkrb nor libkrb4, build may fail])
1906                                 else
1907                                         KLIBS="-lkrb4"
1908                                 fi
1909                         else
1910                                 KLIBS="-lkrb"
1911                         fi
1912                         AC_CHECK_LIB(des, des_cbc_encrypt)
1913                         if test "$ac_cv_lib_des_des_cbc_encrypt" != yes; then
1914                                 AC_CHECK_LIB(des425, des_cbc_encrypt)
1915                                 if test "$ac_cv_lib_des425_des_cbc_encrypt" != yes; then
1916                                         AC_MSG_WARN([Cannot find libdes nor libdes425, build may fail])
1917                                 else
1918                                         KLIBS="-ldes425"
1919                                 fi
1920                         else
1921                                 KLIBS="-ldes"
1922                         fi
1923                         AC_CHECK_LIB(resolv, dn_expand, , )
1924                         KRB4=yes
1925                         KRB4_MSG="yes"
1926                         AC_DEFINE(KRB4)
1927                 fi
1928         ]
1929 )
1930
1931 # Check whether user wants AFS support
1932 AFS_MSG="no"
1933 AC_ARG_WITH(afs,
1934         [  --with-afs=PATH         Enable AFS support],
1935         [
1936                 if test "x$withval" != "xno" ; then
1937
1938                         if test "x$withval" != "xyes" ; then
1939                                 CPPFLAGS="$CPPFLAGS -I${withval}/include"
1940                                 LDFLAGS="$LDFLAGS -L${withval}/lib"
1941                         fi
1942
1943                         if test -z "$KRB4" ; then
1944                                 AC_MSG_WARN([AFS requires Kerberos IV support, build may fail])
1945                         fi
1946
1947                         LIBS="-lkafs $LIBS"
1948                         if test ! -z "$AFS_LIBS" ; then
1949                                 LIBS="$LIBS $AFS_LIBS"
1950                         fi
1951                         AC_DEFINE(AFS)
1952                         AFS_MSG="yes"
1953                 fi
1954         ]
1955 )
1956 LIBS="$LIBS $KLIBS $K5LIBS"
1957
1958 # Looking for programs, paths and files
1959
1960 PRIVSEP_PATH=/var/empty
1961 AC_ARG_WITH(privsep-path,
1962         [  --with-privsep-path=xxx Path for privilege separation chroot ],
1963         [
1964                 if test "x$withval" != "$no" ; then
1965                         PRIVSEP_PATH=$withval
1966                 fi
1967         ]
1968 )
1969 AC_SUBST(PRIVSEP_PATH)
1970
1971 AC_ARG_WITH(xauth,
1972         [  --with-xauth=PATH       Specify path to xauth program ],
1973         [
1974                 if test "x$withval" != "xno" ; then
1975                         xauth_path=$withval
1976                 fi
1977         ],
1978         [
1979                 AC_PATH_PROG(xauth_path, xauth,,$PATH:/usr/X/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/openwin/bin)
1980                 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then
1981                         xauth_path="/usr/openwin/bin/xauth"
1982                 fi
1983         ]
1984 )
1985
1986 if test -z "$xauth_path" ; then
1987         XAUTH_PATH="undefined"
1988         AC_SUBST(XAUTH_PATH)
1989 else
1990         AC_DEFINE_UNQUOTED(XAUTH_PATH, "$xauth_path")
1991         XAUTH_PATH=$xauth_path
1992         AC_SUBST(XAUTH_PATH)
1993 fi
1994
1995 # Check for mail directory (last resort if we cannot get it from headers)
1996 if test ! -z "$MAIL" ; then
1997         maildir=`dirname $MAIL`
1998         AC_DEFINE_UNQUOTED(MAIL_DIRECTORY, "$maildir")
1999 fi
2000
2001 if test -z "$no_dev_ptmx" ; then
2002         if test "x$disable_ptmx_check" != "xyes" ; then
2003                 AC_CHECK_FILE("/dev/ptmx",
2004                         [
2005                                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTMX)
2006                                 have_dev_ptmx=1
2007                         ]
2008                 )
2009         fi
2010 fi
2011 AC_CHECK_FILE("/dev/ptc",
2012         [
2013                 AC_DEFINE_UNQUOTED(HAVE_DEV_PTS_AND_PTC)
2014                 have_dev_ptc=1
2015         ]
2016 )
2017
2018 # Options from here on. Some of these are preset by platform above
2019 AC_ARG_WITH(mantype,
2020         [  --with-mantype=man|cat|doc  Set man page type],
2021         [
2022                 case "$withval" in
2023                 man|cat|doc)
2024                         MANTYPE=$withval
2025                         ;;
2026                 *)
2027                         AC_MSG_ERROR(invalid man type: $withval)
2028                         ;;
2029                 esac
2030         ]
2031 )
2032 if test -z "$MANTYPE"; then
2033         AC_PATH_PROGS(NROFF, nroff awf, /bin/false, /usr/bin:/usr/ucb)
2034         if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then
2035                 MANTYPE=doc
2036         elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then
2037                 MANTYPE=man
2038         else
2039                 MANTYPE=cat
2040         fi
2041 fi
2042 AC_SUBST(MANTYPE)
2043 if test "$MANTYPE" = "doc"; then
2044         mansubdir=man;
2045 else
2046         mansubdir=$MANTYPE;
2047 fi
2048 AC_SUBST(mansubdir)
2049
2050 # Check whether to enable MD5 passwords
2051 MD5_MSG="no"
2052 AC_ARG_WITH(md5-passwords,
2053         [  --with-md5-passwords    Enable use of MD5 passwords],
2054         [
2055                 if test "x$withval" != "xno" ; then
2056                         AC_DEFINE(HAVE_MD5_PASSWORDS)
2057                         MD5_MSG="yes"
2058                 fi
2059         ]
2060 )
2061
2062 # Whether to disable shadow password support
2063 AC_ARG_WITH(shadow,
2064         [  --without-shadow        Disable shadow password support],
2065         [
2066                 if test "x$withval" = "xno" ; then
2067                         AC_DEFINE(DISABLE_SHADOW)
2068                         disable_shadow=yes
2069                 fi
2070         ]
2071 )
2072
2073 if test -z "$disable_shadow" ; then
2074         AC_MSG_CHECKING([if the systems has expire shadow information])
2075         AC_TRY_COMPILE(
2076         [
2077 #include <sys/types.h>
2078 #include <shadow.h>
2079         struct spwd sp;
2080         ],[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ],
2081         [ sp_expire_available=yes ], []
2082         )
2083
2084         if test "x$sp_expire_available" = "xyes" ; then
2085                 AC_MSG_RESULT(yes)
2086                 AC_DEFINE(HAS_SHADOW_EXPIRE)
2087         else
2088                 AC_MSG_RESULT(no)
2089         fi
2090 fi
2091
2092 # Use ip address instead of hostname in $DISPLAY
2093 if test ! -z "$IPADDR_IN_DISPLAY" ; then
2094         DISPLAY_HACK_MSG="yes"
2095         AC_DEFINE(IPADDR_IN_DISPLAY)
2096 else
2097         DISPLAY_HACK_MSG="no"
2098         AC_ARG_WITH(ipaddr-display,
2099                 [  --with-ipaddr-display   Use ip address instead of hostname in \$DISPLAY],
2100                 [
2101                         if test "x$withval" != "xno" ; then
2102                                 AC_DEFINE(IPADDR_IN_DISPLAY)
2103                                 DISPLAY_HACK_MSG="yes"
2104                         fi
2105                 ]
2106         )
2107 fi
2108
2109 dnl BSD systems use /etc/login.conf so --with-default-path= has no effect
2110 if test $ac_cv_func_login_getcapbool = "yes" -a \
2111         $ac_cv_header_login_cap_h = "yes" ; then
2112         USES_LOGIN_CONF=yes
2113 fi
2114 # Whether to mess with the default path
2115 SERVER_PATH_MSG="(default)"
2116 AC_ARG_WITH(default-path,
2117         [  --with-default-path=    Specify default \$PATH environment for server],
2118         [
2119                 if test "$USES_LOGIN_CONF" = "yes" ; then
2120                         AC_MSG_WARN([
2121 --with-default-path=PATH has no effect on this system.
2122 Edit /etc/login.conf instead.])
2123                 elif test "x$withval" != "xno" ; then
2124                         user_path="$withval"
2125                         SERVER_PATH_MSG="$withval"
2126                 fi
2127         ],
2128         [ if test "$USES_LOGIN_CONF" = "yes" ; then
2129         AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf])
2130         else
2131         AC_TRY_RUN(
2132                 [
2133 /* find out what STDPATH is */
2134 #include <stdio.h>
2135 #ifdef HAVE_PATHS_H
2136 # include <paths.h>
2137 #endif
2138 #ifndef _PATH_STDPATH
2139 # define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin"
2140 #endif
2141 #include <sys/types.h>
2142 #include <sys/stat.h>
2143 #include <fcntl.h>
2144 #define DATA "conftest.stdpath"
2145
2146 main()
2147 {
2148         FILE *fd;
2149         int rc;
2150
2151         fd = fopen(DATA,"w");
2152         if(fd == NULL)
2153                 exit(1);
2154
2155         if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0)
2156                 exit(1);
2157
2158         exit(0);
2159 }
2160                 ], [ user_path=`cat conftest.stdpath` ],
2161                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ],
2162                 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ]
2163         )
2164 # make sure $bindir is in USER_PATH so scp will work
2165                 t_bindir=`eval echo ${bindir}`
2166                 case $t_bindir in
2167                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;;
2168                 esac
2169                 case $t_bindir in
2170                         NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;;
2171                 esac
2172                 echo $user_path | grep ":$t_bindir"  > /dev/null 2>&1
2173                 if test $? -ne 0  ; then
2174                         echo $user_path | grep "^$t_bindir"  > /dev/null 2>&1
2175                         if test $? -ne 0  ; then
2176                                 user_path=$user_path:$t_bindir
2177                                 AC_MSG_RESULT(Adding $t_bindir to USER_PATH so scp will work)
2178                         fi
2179                 fi
2180         fi ]
2181 )
2182 if test "$USES_LOGIN_CONF" != "yes" ; then
2183         AC_DEFINE_UNQUOTED(USER_PATH, "$user_path")
2184         AC_SUBST(user_path)
2185 fi
2186
2187 # Set superuser path separately to user path
2188 AC_ARG_WITH(superuser-path,
2189         [  --with-superuser-path=  Specify different path for super-user],
2190         [
2191                 if test "x$withval" != "xno" ; then
2192                         AC_DEFINE_UNQUOTED(SUPERUSER_PATH, "$withval")
2193                         superuser_path=$withval
2194                 fi
2195         ]
2196 )
2197
2198
2199 # Whether to force IPv4 by default (needed on broken glibc Linux)
2200 IPV4_HACK_MSG="no"
2201 AC_ARG_WITH(ipv4-default,
2202         [  --with-ipv4-default     Use IPv4 by connections unless '-6' specified],
2203         [
2204                 if test "x$withval" != "xno" ; then
2205                         AC_DEFINE(IPV4_DEFAULT)
2206                         IPV4_HACK_MSG="yes"
2207                 fi
2208         ]
2209 )
2210
2211 AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses])
2212 IPV4_IN6_HACK_MSG="no"
2213 AC_ARG_WITH(4in6,
2214         [  --with-4in6             Check for and convert IPv4 in IPv6 mapped addresses],
2215         [
2216                 if test "x$withval" != "xno" ; then
2217                         AC_MSG_RESULT(yes)
2218                         AC_DEFINE(IPV4_IN_IPV6)
2219                         IPV4_IN6_HACK_MSG="yes"
2220                 else
2221                         AC_MSG_RESULT(no)
2222                 fi
2223         ],[
2224                 if test "x$inet6_default_4in6" = "xyes"; then
2225                         AC_MSG_RESULT([yes (default)])
2226                         AC_DEFINE(IPV4_IN_IPV6)
2227                         IPV4_IN6_HACK_MSG="yes"
2228                 else
2229                         AC_MSG_RESULT([no (default)])
2230                 fi
2231         ]
2232 )
2233
2234 # Whether to enable BSD auth support
2235 BSD_AUTH_MSG=no
2236 AC_ARG_WITH(bsd-auth,
2237         [  --with-bsd-auth         Enable BSD auth support],
2238         [
2239                 if test "x$withval" != "xno" ; then
2240                         AC_DEFINE(BSD_AUTH)
2241                         BSD_AUTH_MSG=yes
2242                 fi
2243         ]
2244 )
2245
2246 # Where to place sshd.pid
2247 piddir=/var/run
2248 # make sure the directory exists
2249 if test ! -d $piddir ; then
2250         piddir=`eval echo ${sysconfdir}`
2251         case $piddir in
2252                 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;;
2253         esac
2254 fi
2255
2256 AC_ARG_WITH(pid-dir,
2257         [  --with-pid-dir=PATH     Specify location of ssh.pid file],
2258         [
2259                 if test "x$withval" != "xno" ; then
2260                         piddir=$withval
2261                         if test ! -d $piddir ; then
2262                         AC_MSG_WARN([** no $piddir directory on this system **])
2263                         fi
2264                 fi
2265         ]
2266 )
2267
2268 AC_DEFINE_UNQUOTED(_PATH_SSH_PIDDIR, "$piddir")
2269 AC_SUBST(piddir)
2270
2271 dnl allow user to disable some login recording features
2272 AC_ARG_ENABLE(lastlog,
2273         [  --disable-lastlog       disable use of lastlog even if detected [no]],
2274         [ AC_DEFINE(DISABLE_LASTLOG) ]
2275 )
2276 AC_ARG_ENABLE(utmp,
2277         [  --disable-utmp          disable use of utmp even if detected [no]],
2278         [ AC_DEFINE(DISABLE_UTMP) ]
2279 )
2280 AC_ARG_ENABLE(utmpx,
2281         [  --disable-utmpx         disable use of utmpx even if detected [no]],
2282         [ AC_DEFINE(DISABLE_UTMPX) ]
2283 )
2284 AC_ARG_ENABLE(wtmp,
2285         [  --disable-wtmp          disable use of wtmp even if detected [no]],
2286         [ AC_DEFINE(DISABLE_WTMP) ]
2287 )
2288 AC_ARG_ENABLE(wtmpx,
2289         [  --disable-wtmpx         disable use of wtmpx even if detected [no]],
2290         [ AC_DEFINE(DISABLE_WTMPX) ]
2291 )
2292 AC_ARG_ENABLE(libutil,
2293         [  --disable-libutil       disable use of libutil (login() etc.) [no]],
2294         [ AC_DEFINE(DISABLE_LOGIN) ]
2295 )
2296 AC_ARG_ENABLE(pututline,
2297         [  --disable-pututline     disable use of pututline() etc. ([uw]tmp) [no]],
2298         [ AC_DEFINE(DISABLE_PUTUTLINE) ]
2299 )
2300 AC_ARG_ENABLE(pututxline,
2301         [  --disable-pututxline    disable use of pututxline() etc. ([uw]tmpx) [no]],
2302         [ AC_DEFINE(DISABLE_PUTUTXLINE) ]
2303 )
2304 AC_ARG_WITH(lastlog,
2305   [  --with-lastlog=FILE|DIR specify lastlog location [common locations]],
2306         [
2307                 if test "x$withval" = "xno" ; then
2308                         AC_DEFINE(DISABLE_LASTLOG)
2309                 else
2310                         conf_lastlog_location=$withval
2311                 fi
2312         ]
2313 )
2314
2315 dnl lastlog, [uw]tmpx? detection
2316 dnl  NOTE: set the paths in the platform section to avoid the
2317 dnl   need for command-line parameters
2318 dnl lastlog and [uw]tmp are subject to a file search if all else fails
2319
2320 dnl lastlog detection
2321 dnl  NOTE: the code itself will detect if lastlog is a directory
2322 AC_MSG_CHECKING([if your system defines LASTLOG_FILE])
2323 AC_TRY_COMPILE([
2324 #include <sys/types.h>
2325 #include <utmp.h>
2326 #ifdef HAVE_LASTLOG_H
2327 #  include <lastlog.h>
2328 #endif
2329 #ifdef HAVE_PATHS_H
2330 #  include <paths.h>
2331 #endif
2332 #ifdef HAVE_LOGIN_H
2333 # include <login.h>
2334 #endif
2335         ],
2336         [ char *lastlog = LASTLOG_FILE; ],
2337         [ AC_MSG_RESULT(yes) ],
2338         [
2339                 AC_MSG_RESULT(no)
2340                 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG])
2341                 AC_TRY_COMPILE([
2342 #include <sys/types.h>
2343 #include <utmp.h>
2344 #ifdef HAVE_LASTLOG_H
2345 #  include <lastlog.h>
2346 #endif
2347 #ifdef HAVE_PATHS_H
2348 #  include <paths.h>
2349 #endif
2350                 ],
2351                 [ char *lastlog = _PATH_LASTLOG; ],
2352                 [ AC_MSG_RESULT(yes) ],
2353                 [
2354                         AC_MSG_RESULT(no)
2355                         system_lastlog_path=no
2356                 ])
2357         ]
2358 )
2359
2360 if test -z "$conf_lastlog_location"; then
2361         if test x"$system_lastlog_path" = x"no" ; then
2362                 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do
2363                                 if (test -d "$f" || test -f "$f") ; then
2364                                         conf_lastlog_location=$f
2365                                 fi
2366                 done
2367                 if test -z "$conf_lastlog_location"; then
2368                         AC_MSG_WARN([** Cannot find lastlog **])
2369                         dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx
2370                 fi
2371         fi
2372 fi
2373
2374 if test -n "$conf_lastlog_location"; then
2375         AC_DEFINE_UNQUOTED(CONF_LASTLOG_FILE, "$conf_lastlog_location")
2376 fi
2377
2378 dnl utmp detection
2379 AC_MSG_CHECKING([if your system defines UTMP_FILE])
2380 AC_TRY_COMPILE([
2381 #include <sys/types.h>
2382 #include <utmp.h>
2383 #ifdef HAVE_PATHS_H
2384 #  include <paths.h>
2385 #endif
2386         ],
2387         [ char *utmp = UTMP_FILE; ],
2388         [ AC_MSG_RESULT(yes) ],
2389         [ AC_MSG_RESULT(no)
2390           system_utmp_path=no ]
2391 )
2392 if test -z "$conf_utmp_location"; then
2393         if test x"$system_utmp_path" = x"no" ; then
2394                 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do
2395                         if test -f $f ; then
2396                                 conf_utmp_location=$f
2397                         fi
2398                 done
2399                 if test -z "$conf_utmp_location"; then
2400                         AC_DEFINE(DISABLE_UTMP)
2401                 fi
2402         fi
2403 fi
2404 if test -n "$conf_utmp_location"; then
2405         AC_DEFINE_UNQUOTED(CONF_UTMP_FILE, "$conf_utmp_location")
2406 fi
2407
2408 dnl wtmp detection
2409 AC_MSG_CHECKING([if your system defines WTMP_FILE])
2410 AC_TRY_COMPILE([
2411 #include <sys/types.h>
2412 #include <utmp.h>
2413 #ifdef HAVE_PATHS_H
2414 #  include <paths.h>
2415 #endif
2416         ],
2417         [ char *wtmp = WTMP_FILE; ],
2418         [ AC_MSG_RESULT(yes) ],
2419         [ AC_MSG_RESULT(no)
2420           system_wtmp_path=no ]
2421 )
2422 if test -z "$conf_wtmp_location"; then
2423         if test x"$system_wtmp_path" = x"no" ; then
2424                 for f in /usr/adm/wtmp /var/log/wtmp; do
2425                         if test -f $f ; then
2426                                 conf_wtmp_location=$f
2427                         fi
2428                 done
2429                 if test -z "$conf_wtmp_location"; then
2430                         AC_DEFINE(DISABLE_WTMP)
2431                 fi
2432         fi
2433 fi
2434 if test -n "$conf_wtmp_location"; then
2435         AC_DEFINE_UNQUOTED(CONF_WTMP_FILE, "$conf_wtmp_location")
2436 fi
2437
2438
2439 dnl utmpx detection - I don't know any system so perverse as to require
2440 dnl  utmpx, but not define UTMPX_FILE (ditto wtmpx.) No doubt it's out
2441 dnl  there, though.
2442 AC_MSG_CHECKING([if your system defines UTMPX_FILE])
2443 AC_TRY_COMPILE([
2444 #include <sys/types.h>
2445 #include <utmp.h>
2446 #ifdef HAVE_UTMPX_H
2447 #include <utmpx.h>
2448 #endif
2449 #ifdef HAVE_PATHS_H
2450 #  include <paths.h>
2451 #endif
2452         ],
2453         [ char *utmpx = UTMPX_FILE; ],
2454         [ AC_MSG_RESULT(yes) ],
2455         [ AC_MSG_RESULT(no)
2456           system_utmpx_path=no ]
2457 )
2458 if test -z "$conf_utmpx_location"; then
2459         if test x"$system_utmpx_path" = x"no" ; then
2460                 AC_DEFINE(DISABLE_UTMPX)
2461         fi
2462 else
2463         AC_DEFINE_UNQUOTED(CONF_UTMPX_FILE, "$conf_utmpx_location")
2464 fi
2465
2466 dnl wtmpx detection
2467 AC_MSG_CHECKING([if your system defines WTMPX_FILE])
2468 AC_TRY_COMPILE([
2469 #include <sys/types.h>
2470 #include <utmp.h>
2471 #ifdef HAVE_UTMPX_H
2472 #include <utmpx.h>
2473 #endif
2474 #ifdef HAVE_PATHS_H
2475 #  include <paths.h>
2476 #endif
2477         ],
2478         [ char *wtmpx = WTMPX_FILE; ],
2479         [ AC_MSG_RESULT(yes) ],
2480         [ AC_MSG_RESULT(no)
2481           system_wtmpx_path=no ]
2482 )
2483 if test -z "$conf_wtmpx_location"; then
2484         if test x"$system_wtmpx_path" = x"no" ; then
2485                 AC_DEFINE(DISABLE_WTMPX)
2486         fi
2487 else
2488         AC_DEFINE_UNQUOTED(CONF_WTMPX_FILE, "$conf_wtmpx_location")
2489 fi
2490
2491
2492 if test ! -z "$blibpath" ; then
2493         LDFLAGS="$LDFLAGS -blibpath:$blibpath"
2494         AC_MSG_WARN([Please check and edit -blibpath in LDFLAGS in Makefile])
2495 fi
2496
2497 dnl remove pam and dl because they are in $LIBPAM
2498 if test "$PAM_MSG" = yes ; then
2499         LIBS=`echo $LIBS | sed 's/-lpam //'`
2500 fi
2501 if test "$ac_cv_lib_pam_pam_set_item" = yes ; then
2502         LIBS=`echo $LIBS | sed 's/-ldl //'`
2503 fi
2504
2505 AC_EXEEXT
2506 AC_CONFIG_FILES([Makefile openbsd-compat/Makefile scard/Makefile ssh_prng_cmds])
2507 AC_OUTPUT
2508
2509 # Print summary of options
2510
2511 # Someone please show me a better way :)
2512 A=`eval echo ${prefix}` ; A=`eval echo ${A}`
2513 B=`eval echo ${bindir}` ; B=`eval echo ${B}`
2514 C=`eval echo ${sbindir}` ; C=`eval echo ${C}`
2515 D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}`
2516 E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}`
2517 F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}`
2518 G=`eval echo ${piddir}` ; G=`eval echo ${G}`
2519 H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}`
2520 I=`eval echo ${user_path}` ; I=`eval echo ${I}`
2521 J=`eval echo ${superuser_path}` ; J=`eval echo ${J}`
2522
2523 echo ""
2524 echo "OpenSSH has been configured with the following options:"
2525 echo "                     User binaries: $B"
2526 echo "                   System binaries: $C"
2527 echo "               Configuration files: $D"
2528 echo "                   Askpass program: $E"
2529 echo "                      Manual pages: $F"
2530 echo "                          PID file: $G"
2531 echo "  Privilege separation chroot path: $H"
2532 if test "$USES_LOGIN_CONF" = "yes" ; then
2533 echo "   At runtime, sshd will use the path defined in /etc/login.conf"
2534 else
2535 echo "            sshd default user PATH: $I"
2536 fi
2537 if test ! -z "$superuser_path" ; then
2538 echo "          sshd superuser user PATH: $J"
2539 fi
2540 echo "                    Manpage format: $MANTYPE"
2541 echo "                       PAM support: ${PAM_MSG}"
2542 echo "                KerberosIV support: $KRB4_MSG"
2543 echo "                 KerberosV support: $KRB5_MSG"
2544 echo "                 Smartcard support: $SCARD_MSG"
2545 echo "                       AFS support: $AFS_MSG"
2546 echo "                     S/KEY support: $SKEY_MSG"
2547 echo "              TCP Wrappers support: $TCPW_MSG"
2548 echo "              MD5 password support: $MD5_MSG"
2549 echo "       IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG"
2550 echo "          Use IPv4 by default hack: $IPV4_HACK_MSG"
2551 echo "           Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG"
2552 echo "                  BSD Auth support: $BSD_AUTH_MSG"
2553 echo "              Random number source: $RAND_MSG"
2554 if test ! -z "$USE_RAND_HELPER" ; then
2555 echo "     ssh-rand-helper collects from: $RAND_HELPER_MSG"
2556 fi
2557
2558 echo ""
2559
2560 echo "              Host: ${host}"
2561 echo "          Compiler: ${CC}"
2562 echo "    Compiler flags: ${CFLAGS}"
2563 echo "Preprocessor flags: ${CPPFLAGS}"
2564 echo "      Linker flags: ${LDFLAGS}"
2565 echo "         Libraries: ${LIBWRAP} ${LIBPAM} ${LIBS}"
2566
2567 echo ""
2568
2569 if test "x$PAM_MSG" = "xyes" ; then
2570         echo "PAM is enabled. You may need to install a PAM control file "
2571         echo "for sshd, otherwise password authentication may fail. "
2572         echo "Example PAM control files can be found in the contrib/ "
2573         echo "subdirectory"
2574         echo ""
2575 fi
2576
2577 if test ! -z "$NO_SFTP"; then
2578         echo "sftp-server will be disabled.  Your compiler does not "
2579         echo "support 64bit integers."
2580         echo ""
2581 fi
2582
2583 if test ! -z "$RAND_HELPER_CMDHASH" ; then
2584         echo "WARNING: you are using the builtin random number collection "
2585         echo "service. Please read WARNING.RNG and request that your OS "
2586         echo "vendor includes kernel-based random number collection in "
2587         echo "future versions of your OS."
2588         echo ""
2589 fi
2590