1# 2# Copyright (c) 1999-2004 Damien Miller 3# 4# Permission to use, copy, modify, and distribute this software for any 5# purpose with or without fee is hereby granted, provided that the above 6# copyright notice and this permission notice appear in all copies. 7# 8# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 16AC_INIT([OpenSSH], [Portable], [openssh-unix-dev@mindrot.org]) 17AC_REVISION($Revision: 1.583 $) 18AC_CONFIG_SRCDIR([ssh.c]) 19AC_LANG([C]) 20 21AC_CONFIG_HEADER([config.h]) 22AC_PROG_CC 23AC_CANONICAL_HOST 24AC_C_BIGENDIAN 25 26# Checks for programs. 27AC_PROG_AWK 28AC_PROG_CPP 29AC_PROG_RANLIB 30AC_PROG_INSTALL 31AC_PROG_EGREP 32AC_PROG_MKDIR_P 33AC_CHECK_TOOLS([AR], [ar]) 34AC_PATH_PROG([CAT], [cat]) 35AC_PATH_PROG([KILL], [kill]) 36AC_PATH_PROG([SED], [sed]) 37AC_PATH_PROG([ENT], [ent]) 38AC_SUBST([ENT]) 39AC_PATH_PROG([TEST_MINUS_S_SH], [bash]) 40AC_PATH_PROG([TEST_MINUS_S_SH], [ksh]) 41AC_PATH_PROG([TEST_MINUS_S_SH], [sh]) 42AC_PATH_PROG([SH], [sh]) 43AC_PATH_PROG([GROFF], [groff]) 44AC_PATH_PROG([NROFF], [nroff]) 45AC_PATH_PROG([MANDOC], [mandoc]) 46AC_SUBST([TEST_SHELL], [sh]) 47 48dnl select manpage formatter 49if test "x$MANDOC" != "x" ; then 50 MANFMT="$MANDOC" 51elif test "x$NROFF" != "x" ; then 52 MANFMT="$NROFF -mandoc" 53elif test "x$GROFF" != "x" ; then 54 MANFMT="$GROFF -mandoc -Tascii" 55else 56 AC_MSG_WARN([no manpage formatted found]) 57 MANFMT="false" 58fi 59AC_SUBST([MANFMT]) 60 61dnl for buildpkg.sh 62AC_PATH_PROG([PATH_GROUPADD_PROG], [groupadd], [groupadd], 63 [/usr/sbin${PATH_SEPARATOR}/etc]) 64AC_PATH_PROG([PATH_USERADD_PROG], [useradd], [useradd], 65 [/usr/sbin${PATH_SEPARATOR}/etc]) 66AC_CHECK_PROG([MAKE_PACKAGE_SUPPORTED], [pkgmk], [yes], [no]) 67if test -x /sbin/sh; then 68 AC_SUBST([STARTUP_SCRIPT_SHELL], [/sbin/sh]) 69else 70 AC_SUBST([STARTUP_SCRIPT_SHELL], [/bin/sh]) 71fi 72 73# System features 74AC_SYS_LARGEFILE 75 76if test -z "$AR" ; then 77 AC_MSG_ERROR([*** 'ar' missing, please install or fix your \$PATH ***]) 78fi 79 80AC_PATH_PROG([PATH_PASSWD_PROG], [passwd]) 81if test ! -z "$PATH_PASSWD_PROG" ; then 82 AC_DEFINE_UNQUOTED([_PATH_PASSWD_PROG], ["$PATH_PASSWD_PROG"], 83 [Full path of your "passwd" program]) 84fi 85 86dnl Since autoconf doesn't support it very well, we no longer allow users to 87dnl override LD, however keeping the hook here for now in case there's a use 88dnl use case we overlooked and someone needs to re-enable it. Unless a good 89dnl reason is found we'll be removing this in future. 90LD="$CC" 91AC_SUBST([LD]) 92 93AC_C_INLINE 94 95AC_CHECK_DECL([LLONG_MAX], [have_llong_max=1], , [#include <limits.h>]) 96AC_CHECK_DECL([SYSTR_POLICY_KILL], [have_systr_policy_kill=1], , [ 97 #include <sys/types.h> 98 #include <sys/param.h> 99 #include <dev/systrace.h> 100]) 101AC_CHECK_DECL([RLIMIT_NPROC], 102 [AC_DEFINE([HAVE_RLIMIT_NPROC], [], [sys/resource.h has RLIMIT_NPROC])], , [ 103 #include <sys/types.h> 104 #include <sys/resource.h> 105]) 106AC_CHECK_DECL([PR_SET_NO_NEW_PRIVS], [have_linux_no_new_privs=1], , [ 107 #include <sys/types.h> 108 #include <linux/prctl.h> 109]) 110 111openssl=yes 112AC_ARG_WITH([openssl], 113 [ --without-openssl Disable use of OpenSSL; use only limited internal crypto **EXPERIMENTAL** ], 114 [ if test "x$withval" = "xno" ; then 115 openssl=no 116 fi 117 ] 118) 119AC_MSG_CHECKING([whether OpenSSL will be used for cryptography]) 120if test "x$openssl" = "xyes" ; then 121 AC_MSG_RESULT([yes]) 122 AC_DEFINE_UNQUOTED([WITH_OPENSSL], [1], [use libcrypto for cryptography]) 123else 124 AC_MSG_RESULT([no]) 125fi 126 127use_stack_protector=1 128use_toolchain_hardening=1 129AC_ARG_WITH([stackprotect], 130 [ --without-stackprotect Don't use compiler's stack protection], [ 131 if test "x$withval" = "xno"; then 132 use_stack_protector=0 133 fi ]) 134AC_ARG_WITH([hardening], 135 [ --without-hardening Don't use toolchain hardening flags], [ 136 if test "x$withval" = "xno"; then 137 use_toolchain_hardening=0 138 fi ]) 139 140# We use -Werror for the tests only so that we catch warnings like "this is 141# on by default" for things like -fPIE. 142AC_MSG_CHECKING([if $CC supports -Werror]) 143saved_CFLAGS="$CFLAGS" 144CFLAGS="$CFLAGS -Werror" 145AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int main(void) { return 0; }]])], 146 [ AC_MSG_RESULT([yes]) 147 WERROR="-Werror"], 148 [ AC_MSG_RESULT([no]) 149 WERROR="" ] 150) 151CFLAGS="$saved_CFLAGS" 152 153if test "$GCC" = "yes" || test "$GCC" = "egcs"; then 154 OSSH_CHECK_CFLAG_COMPILE([-pipe]) 155 OSSH_CHECK_CFLAG_COMPILE([-Qunused-arguments]) 156 OSSH_CHECK_CFLAG_COMPILE([-Wunknown-warning-option]) 157 OSSH_CHECK_CFLAG_COMPILE([-Wall]) 158 OSSH_CHECK_CFLAG_COMPILE([-Wpointer-arith]) 159 OSSH_CHECK_CFLAG_COMPILE([-Wuninitialized]) 160 OSSH_CHECK_CFLAG_COMPILE([-Wsign-compare]) 161 OSSH_CHECK_CFLAG_COMPILE([-Wformat-security]) 162 OSSH_CHECK_CFLAG_COMPILE([-Wsizeof-pointer-memaccess]) 163 OSSH_CHECK_CFLAG_COMPILE([-Wpointer-sign], [-Wno-pointer-sign]) 164 OSSH_CHECK_CFLAG_COMPILE([-Wunused-result], [-Wno-unused-result]) 165 OSSH_CHECK_CFLAG_COMPILE([-fno-strict-aliasing]) 166 if test "x$use_toolchain_hardening" = "x1"; then 167 # Cygwin GCC 7.x allows thunking on the CLI, but produces non-working 168 # code. Unfortunately you only notice this at link time. 169 case "$host" in 170 *-*-cygwin*) ;; 171 *) 172 OSSH_CHECK_CFLAG_COMPILE([-mfunction-return=thunk]) # gcc 173 OSSH_CHECK_CFLAG_COMPILE([-mindirect-branch=thunk]) # gcc 174 ;; 175 esac 176 OSSH_CHECK_CFLAG_COMPILE([-mretpoline]) # clang 177 OSSH_CHECK_LDFLAG_LINK([-Wl,-z,retpolineplt]) 178 OSSH_CHECK_CFLAG_COMPILE([-D_FORTIFY_SOURCE=2]) 179 OSSH_CHECK_LDFLAG_LINK([-Wl,-z,relro]) 180 OSSH_CHECK_LDFLAG_LINK([-Wl,-z,now]) 181 OSSH_CHECK_LDFLAG_LINK([-Wl,-z,noexecstack]) 182 # NB. -ftrapv expects certain support functions to be present in 183 # the compiler library (libgcc or similar) to detect integer operations 184 # that can overflow. We must check that the result of enabling it 185 # actually links. The test program compiled/linked includes a number 186 # of integer operations that should exercise this. 187 OSSH_CHECK_CFLAG_LINK([-ftrapv]) 188 fi 189 AC_MSG_CHECKING([gcc version]) 190 GCC_VER=`$CC -v 2>&1 | $AWK '/gcc version /{print $3}'` 191 case $GCC_VER in 192 1.*) no_attrib_nonnull=1 ;; 193 2.8* | 2.9*) 194 no_attrib_nonnull=1 195 ;; 196 2.*) no_attrib_nonnull=1 ;; 197 *) ;; 198 esac 199 AC_MSG_RESULT([$GCC_VER]) 200 201 AC_MSG_CHECKING([if $CC accepts -fno-builtin-memset]) 202 saved_CFLAGS="$CFLAGS" 203 CFLAGS="$CFLAGS -fno-builtin-memset" 204 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include <string.h> ]], 205 [[ char b[10]; memset(b, 0, sizeof(b)); ]])], 206 [ AC_MSG_RESULT([yes]) ], 207 [ AC_MSG_RESULT([no]) 208 CFLAGS="$saved_CFLAGS" ] 209 ) 210 211 # -fstack-protector-all doesn't always work for some GCC versions 212 # and/or platforms, so we test if we can. If it's not supported 213 # on a given platform gcc will emit a warning so we use -Werror. 214 if test "x$use_stack_protector" = "x1"; then 215 for t in -fstack-protector-strong -fstack-protector-all \ 216 -fstack-protector; do 217 AC_MSG_CHECKING([if $CC supports $t]) 218 saved_CFLAGS="$CFLAGS" 219 saved_LDFLAGS="$LDFLAGS" 220 CFLAGS="$CFLAGS $t -Werror" 221 LDFLAGS="$LDFLAGS $t -Werror" 222 AC_LINK_IFELSE( 223 [AC_LANG_PROGRAM([[ #include <stdio.h> ]], 224 [[ 225 char x[256]; 226 snprintf(x, sizeof(x), "XXX"); 227 ]])], 228 [ AC_MSG_RESULT([yes]) 229 CFLAGS="$saved_CFLAGS $t" 230 LDFLAGS="$saved_LDFLAGS $t" 231 AC_MSG_CHECKING([if $t works]) 232 AC_RUN_IFELSE( 233 [AC_LANG_PROGRAM([[ #include <stdio.h> ]], 234 [[ 235 char x[256]; 236 snprintf(x, sizeof(x), "XXX"); 237 ]])], 238 [ AC_MSG_RESULT([yes]) 239 break ], 240 [ AC_MSG_RESULT([no]) ], 241 [ AC_MSG_WARN([cross compiling: cannot test]) 242 break ] 243 ) 244 ], 245 [ AC_MSG_RESULT([no]) ] 246 ) 247 CFLAGS="$saved_CFLAGS" 248 LDFLAGS="$saved_LDFLAGS" 249 done 250 fi 251 252 if test -z "$have_llong_max"; then 253 # retry LLONG_MAX with -std=gnu99, needed on some Linuxes 254 unset ac_cv_have_decl_LLONG_MAX 255 saved_CFLAGS="$CFLAGS" 256 CFLAGS="$CFLAGS -std=gnu99" 257 AC_CHECK_DECL([LLONG_MAX], 258 [have_llong_max=1], 259 [CFLAGS="$saved_CFLAGS"], 260 [#include <limits.h>] 261 ) 262 fi 263fi 264 265AC_MSG_CHECKING([if compiler allows __attribute__ on return types]) 266AC_COMPILE_IFELSE( 267 [AC_LANG_PROGRAM([[ 268#include <stdlib.h> 269__attribute__((__unused__)) static void foo(void){return;}]], 270 [[ exit(0); ]])], 271 [ AC_MSG_RESULT([yes]) ], 272 [ AC_MSG_RESULT([no]) 273 AC_DEFINE(NO_ATTRIBUTE_ON_RETURN_TYPE, 1, 274 [compiler does not accept __attribute__ on return types]) ] 275) 276 277AC_MSG_CHECKING([if compiler allows __attribute__ prototype args]) 278AC_COMPILE_IFELSE( 279 [AC_LANG_PROGRAM([[ 280#include <stdlib.h> 281typedef void foo(const char *, ...) __attribute__((format(printf, 1, 2)));]], 282 [[ exit(0); ]])], 283 [ AC_MSG_RESULT([yes]) ], 284 [ AC_MSG_RESULT([no]) 285 AC_DEFINE(NO_ATTRIBUTE_ON_PROTOTYPE_ARGS, 1, 286 [compiler does not accept __attribute__ on prototype args]) ] 287) 288 289if test "x$no_attrib_nonnull" != "x1" ; then 290 AC_DEFINE([HAVE_ATTRIBUTE__NONNULL__], [1], [Have attribute nonnull]) 291fi 292 293AC_ARG_WITH([rpath], 294 [ --without-rpath Disable auto-added -R linker paths], 295 [ 296 if test "x$withval" = "xno" ; then 297 need_dash_r="" 298 fi 299 if test "x$withval" = "xyes" ; then 300 need_dash_r=1 301 fi 302 ] 303) 304 305# Allow user to specify flags 306AC_ARG_WITH([cflags], 307 [ --with-cflags Specify additional flags to pass to compiler], 308 [ 309 if test -n "$withval" && test "x$withval" != "xno" && \ 310 test "x${withval}" != "xyes"; then 311 CFLAGS="$CFLAGS $withval" 312 fi 313 ] 314) 315 316AC_ARG_WITH([cflags-after], 317 [ --with-cflags-after Specify additional flags to pass to compiler after configure], 318 [ 319 if test -n "$withval" && test "x$withval" != "xno" && \ 320 test "x${withval}" != "xyes"; then 321 CFLAGS_AFTER="$withval" 322 fi 323 ] 324) 325AC_ARG_WITH([cppflags], 326 [ --with-cppflags Specify additional flags to pass to preprocessor] , 327 [ 328 if test -n "$withval" && test "x$withval" != "xno" && \ 329 test "x${withval}" != "xyes"; then 330 CPPFLAGS="$CPPFLAGS $withval" 331 fi 332 ] 333) 334AC_ARG_WITH([ldflags], 335 [ --with-ldflags Specify additional flags to pass to linker], 336 [ 337 if test -n "$withval" && test "x$withval" != "xno" && \ 338 test "x${withval}" != "xyes"; then 339 LDFLAGS="$LDFLAGS $withval" 340 fi 341 ] 342) 343AC_ARG_WITH([ldflags-after], 344 [ --with-ldflags-after Specify additional flags to pass to linker after configure], 345 [ 346 if test -n "$withval" && test "x$withval" != "xno" && \ 347 test "x${withval}" != "xyes"; then 348 LDFLAGS_AFTER="$withval" 349 fi 350 ] 351) 352AC_ARG_WITH([libs], 353 [ --with-libs Specify additional libraries to link with], 354 [ 355 if test -n "$withval" && test "x$withval" != "xno" && \ 356 test "x${withval}" != "xyes"; then 357 LIBS="$LIBS $withval" 358 fi 359 ] 360) 361AC_ARG_WITH([Werror], 362 [ --with-Werror Build main code with -Werror], 363 [ 364 if test -n "$withval" && test "x$withval" != "xno"; then 365 werror_flags="-Werror" 366 if test "x${withval}" != "xyes"; then 367 werror_flags="$withval" 368 fi 369 fi 370 ] 371) 372 373AC_CHECK_HEADERS([ \ 374 blf.h \ 375 bstring.h \ 376 crypt.h \ 377 crypto/sha2.h \ 378 dirent.h \ 379 endian.h \ 380 elf.h \ 381 err.h \ 382 features.h \ 383 fcntl.h \ 384 floatingpoint.h \ 385 getopt.h \ 386 glob.h \ 387 ia.h \ 388 iaf.h \ 389 ifaddrs.h \ 390 inttypes.h \ 391 langinfo.h \ 392 limits.h \ 393 locale.h \ 394 login.h \ 395 maillock.h \ 396 ndir.h \ 397 net/if_tun.h \ 398 netdb.h \ 399 netgroup.h \ 400 pam/pam_appl.h \ 401 paths.h \ 402 poll.h \ 403 pty.h \ 404 readpassphrase.h \ 405 rpc/types.h \ 406 security/pam_appl.h \ 407 sha2.h \ 408 shadow.h \ 409 stddef.h \ 410 stdint.h \ 411 string.h \ 412 strings.h \ 413 sys/bitypes.h \ 414 sys/bsdtty.h \ 415 sys/cdefs.h \ 416 sys/dir.h \ 417 sys/file.h \ 418 sys/mman.h \ 419 sys/label.h \ 420 sys/ndir.h \ 421 sys/poll.h \ 422 sys/prctl.h \ 423 sys/pstat.h \ 424 sys/ptrace.h \ 425 sys/random.h \ 426 sys/select.h \ 427 sys/stat.h \ 428 sys/stream.h \ 429 sys/stropts.h \ 430 sys/strtio.h \ 431 sys/statvfs.h \ 432 sys/sysmacros.h \ 433 sys/time.h \ 434 sys/timers.h \ 435 sys/vfs.h \ 436 time.h \ 437 tmpdir.h \ 438 ttyent.h \ 439 ucred.h \ 440 unistd.h \ 441 usersec.h \ 442 util.h \ 443 utime.h \ 444 utmp.h \ 445 utmpx.h \ 446 vis.h \ 447 wchar.h \ 448]) 449 450# On some platforms (eg SunOS4) sys/audit.h requires sys/[time|types|label.h] 451# to be included first. 452AC_CHECK_HEADERS([sys/audit.h], [], [], [ 453#ifdef HAVE_SYS_TIME_H 454# include <sys/time.h> 455#endif 456#ifdef HAVE_SYS_TYPES_H 457# include <sys/types.h> 458#endif 459#ifdef HAVE_SYS_LABEL_H 460# include <sys/label.h> 461#endif 462]) 463 464# sys/capsicum.h requires sys/types.h 465AC_CHECK_HEADERS([sys/capsicum.h], [], [], [ 466#ifdef HAVE_SYS_TYPES_H 467# include <sys/types.h> 468#endif 469]) 470 471# net/route.h requires sys/socket.h and sys/types.h. 472# sys/sysctl.h also requires sys/param.h 473AC_CHECK_HEADERS([net/route.h sys/sysctl.h], [], [], [ 474#ifdef HAVE_SYS_TYPES_H 475# include <sys/types.h> 476#endif 477#include <sys/param.h> 478#include <sys/socket.h> 479]) 480 481# lastlog.h requires sys/time.h to be included first on Solaris 482AC_CHECK_HEADERS([lastlog.h], [], [], [ 483#ifdef HAVE_SYS_TIME_H 484# include <sys/time.h> 485#endif 486]) 487 488# sys/ptms.h requires sys/stream.h to be included first on Solaris 489AC_CHECK_HEADERS([sys/ptms.h], [], [], [ 490#ifdef HAVE_SYS_STREAM_H 491# include <sys/stream.h> 492#endif 493]) 494 495# login_cap.h requires sys/types.h on NetBSD 496AC_CHECK_HEADERS([login_cap.h], [], [], [ 497#include <sys/types.h> 498]) 499 500# older BSDs need sys/param.h before sys/mount.h 501AC_CHECK_HEADERS([sys/mount.h], [], [], [ 502#include <sys/param.h> 503]) 504 505# Android requires sys/socket.h to be included before sys/un.h 506AC_CHECK_HEADERS([sys/un.h], [], [], [ 507#include <sys/types.h> 508#include <sys/socket.h> 509]) 510 511# Messages for features tested for in target-specific section 512SIA_MSG="no" 513SPC_MSG="no" 514SP_MSG="no" 515SPP_MSG="no" 516 517# Support for Solaris/Illumos privileges (this test is used by both 518# the --with-solaris-privs option and --with-sandbox=solaris). 519SOLARIS_PRIVS="no" 520 521# Check for some target-specific stuff 522case "$host" in 523*-*-aix*) 524 # Some versions of VAC won't allow macro redefinitions at 525 # -qlanglevel=ansi, and autoconf 2.60 sometimes insists on using that 526 # particularly with older versions of vac or xlc. 527 # It also throws errors about null macro arguments, but these are 528 # not fatal. 529 AC_MSG_CHECKING([if compiler allows macro redefinitions]) 530 AC_COMPILE_IFELSE( 531 [AC_LANG_PROGRAM([[ 532#define testmacro foo 533#define testmacro bar]], 534 [[ exit(0); ]])], 535 [ AC_MSG_RESULT([yes]) ], 536 [ AC_MSG_RESULT([no]) 537 CC="`echo $CC | sed 's/-qlanglvl\=ansi//g'`" 538 CFLAGS="`echo $CFLAGS | sed 's/-qlanglvl\=ansi//g'`" 539 CPPFLAGS="`echo $CPPFLAGS | sed 's/-qlanglvl\=ansi//g'`" 540 ] 541 ) 542 543 AC_MSG_CHECKING([how to specify blibpath for linker ($LD)]) 544 if (test -z "$blibpath"); then 545 blibpath="/usr/lib:/lib" 546 fi 547 saved_LDFLAGS="$LDFLAGS" 548 if test "$GCC" = "yes"; then 549 flags="-Wl,-blibpath: -Wl,-rpath, -blibpath:" 550 else 551 flags="-blibpath: -Wl,-blibpath: -Wl,-rpath," 552 fi 553 for tryflags in $flags ;do 554 if (test -z "$blibflags"); then 555 LDFLAGS="$saved_LDFLAGS $tryflags$blibpath" 556 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])], 557 [blibflags=$tryflags], []) 558 fi 559 done 560 if (test -z "$blibflags"); then 561 AC_MSG_RESULT([not found]) 562 AC_MSG_ERROR([*** must be able to specify blibpath on AIX - check config.log]) 563 else 564 AC_MSG_RESULT([$blibflags]) 565 fi 566 LDFLAGS="$saved_LDFLAGS" 567 dnl Check for authenticate. Might be in libs.a on older AIXes 568 AC_CHECK_FUNC([authenticate], [AC_DEFINE([WITH_AIXAUTHENTICATE], [1], 569 [Define if you want to enable AIX4's authenticate function])], 570 [AC_CHECK_LIB([s], [authenticate], 571 [ AC_DEFINE([WITH_AIXAUTHENTICATE]) 572 LIBS="$LIBS -ls" 573 ]) 574 ]) 575 dnl Check for various auth function declarations in headers. 576 AC_CHECK_DECLS([authenticate, loginrestrictions, loginsuccess, 577 passwdexpired, setauthdb], , , [#include <usersec.h>]) 578 dnl Check if loginfailed is declared and takes 4 arguments (AIX >= 5.2) 579 AC_CHECK_DECLS([loginfailed], 580 [AC_MSG_CHECKING([if loginfailed takes 4 arguments]) 581 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <usersec.h> ]], 582 [[ (void)loginfailed("user","host","tty",0); ]])], 583 [AC_MSG_RESULT([yes]) 584 AC_DEFINE([AIX_LOGINFAILED_4ARG], [1], 585 [Define if your AIX loginfailed() function 586 takes 4 arguments (AIX >= 5.2)])], [AC_MSG_RESULT([no]) 587 ])], 588 [], 589 [#include <usersec.h>] 590 ) 591 AC_CHECK_FUNCS([getgrset setauthdb]) 592 AC_CHECK_DECL([F_CLOSEM], 593 AC_DEFINE([HAVE_FCNTL_CLOSEM], [1], [Use F_CLOSEM fcntl for closefrom]), 594 [], 595 [ #include <limits.h> 596 #include <fcntl.h> ] 597 ) 598 check_for_aix_broken_getaddrinfo=1 599 AC_DEFINE([BROKEN_REALPATH], [1], [Define if you have a broken realpath.]) 600 AC_DEFINE([SETEUID_BREAKS_SETUID], [1], 601 [Define if your platform breaks doing a seteuid before a setuid]) 602 AC_DEFINE([BROKEN_SETREUID], [1], [Define if your setreuid() is broken]) 603 AC_DEFINE([BROKEN_SETREGID], [1], [Define if your setregid() is broken]) 604 dnl AIX handles lastlog as part of its login message 605 AC_DEFINE([DISABLE_LASTLOG], [1], [Define if you don't want to use lastlog]) 606 AC_DEFINE([LOGIN_NEEDS_UTMPX], [1], 607 [Some systems need a utmpx entry for /bin/login to work]) 608 AC_DEFINE([SPT_TYPE], [SPT_REUSEARGV], 609 [Define to a Set Process Title type if your system is 610 supported by bsd-setproctitle.c]) 611 AC_DEFINE([SSHPAM_CHAUTHTOK_NEEDS_RUID], [1], 612 [AIX 5.2 and 5.3 (and presumably newer) require this]) 613 AC_DEFINE([PTY_ZEROREAD], [1], [read(1) can return 0 for a non-closed fd]) 614 AC_DEFINE([PLATFORM_SYS_DIR_UID], 2, [System dirs owned by bin (uid 2)]) 615 AC_DEFINE([BROKEN_STRNDUP], 1, [strndup broken, see APAR IY61211]) 616 AC_DEFINE([BROKEN_STRNLEN], 1, [strnlen broken, see APAR IY62551]) 617 ;; 618*-*-android*) 619 AC_DEFINE([DISABLE_UTMP], [1], [Define if you don't want to use utmp]) 620 AC_DEFINE([DISABLE_WTMP], [1], [Define if you don't want to use wtmp]) 621 ;; 622*-*-cygwin*) 623 check_for_libcrypt_later=1 624 LIBS="$LIBS /usr/lib/textreadmode.o" 625 AC_DEFINE([HAVE_CYGWIN], [1], [Define if you are on Cygwin]) 626 AC_DEFINE([USE_PIPES], [1], [Use PIPES instead of a socketpair()]) 627 AC_DEFINE([NO_UID_RESTORATION_TEST], [1], 628 [Define to disable UID restoration test]) 629 AC_DEFINE([DISABLE_SHADOW], [1], 630 [Define if you want to disable shadow passwords]) 631 AC_DEFINE([NO_X11_UNIX_SOCKETS], [1], 632 [Define if X11 doesn't support AF_UNIX sockets on that system]) 633 AC_DEFINE([DISABLE_FD_PASSING], [1], 634 [Define if your platform needs to skip post auth 635 file descriptor passing]) 636 AC_DEFINE([SSH_IOBUFSZ], [65535], [Windows is sensitive to read buffer size]) 637 AC_DEFINE([FILESYSTEM_NO_BACKSLASH], [1], [File names may not contain backslash characters]) 638 # Cygwin defines optargs, optargs as declspec(dllimport) for historical 639 # reasons which cause compile warnings, so we disable those warnings. 640 OSSH_CHECK_CFLAG_COMPILE([-Wno-attributes]) 641 ;; 642*-*-dgux*) 643 AC_DEFINE([IP_TOS_IS_BROKEN], [1], 644 [Define if your system choked on IP TOS setting]) 645 AC_DEFINE([SETEUID_BREAKS_SETUID]) 646 AC_DEFINE([BROKEN_SETREUID]) 647 AC_DEFINE([BROKEN_SETREGID]) 648 ;; 649*-*-darwin*) 650 use_pie=auto 651 AC_MSG_CHECKING([if we have working getaddrinfo]) 652 AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include <mach-o/dyld.h> 653main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16)) 654 exit(0); 655 else 656 exit(1); 657} 658 ]])], 659 [AC_MSG_RESULT([working])], 660 [AC_MSG_RESULT([buggy]) 661 AC_DEFINE([BROKEN_GETADDRINFO], [1], 662 [getaddrinfo is broken (if present)]) 663 ], 664 [AC_MSG_RESULT([assume it is working])]) 665 AC_DEFINE([SETEUID_BREAKS_SETUID]) 666 AC_DEFINE([BROKEN_SETREUID]) 667 AC_DEFINE([BROKEN_SETREGID]) 668 AC_DEFINE([BROKEN_GLOB], [1], [OS X glob does not do what we expect]) 669 AC_DEFINE_UNQUOTED([BIND_8_COMPAT], [1], 670 [Define if your resolver libs need this for getrrsetbyname]) 671 AC_DEFINE([SSH_TUN_FREEBSD], [1], [Open tunnel devices the FreeBSD way]) 672 AC_DEFINE([SSH_TUN_COMPAT_AF], [1], 673 [Use tunnel device compatibility to OpenBSD]) 674 AC_DEFINE([SSH_TUN_PREPEND_AF], [1], 675 [Prepend the address family to IP tunnel traffic]) 676 m4_pattern_allow([AU_IPv]) 677 AC_CHECK_DECL([AU_IPv4], [], 678 AC_DEFINE([AU_IPv4], [0], [System only supports IPv4 audit records]) 679 [#include <bsm/audit.h>] 680 AC_DEFINE([LASTLOG_WRITE_PUTUTXLINE], [1], 681 [Define if pututxline updates lastlog too]) 682 ) 683 AC_DEFINE([SPT_TYPE], [SPT_REUSEARGV], 684 [Define to a Set Process Title type if your system is 685 supported by bsd-setproctitle.c]) 686 AC_CHECK_FUNCS([sandbox_init]) 687 AC_CHECK_HEADERS([sandbox.h]) 688 AC_CHECK_LIB([sandbox], [sandbox_apply], [ 689 SSHDLIBS="$SSHDLIBS -lsandbox" 690 ]) 691 ;; 692*-*-dragonfly*) 693 SSHDLIBS="$SSHDLIBS -lcrypt" 694 TEST_MALLOC_OPTIONS="AFGJPRX" 695 ;; 696*-*-haiku*) 697 LIBS="$LIBS -lbsd " 698 AC_CHECK_LIB([network], [socket]) 699 AC_DEFINE([HAVE_U_INT64_T]) 700 MANTYPE=man 701 ;; 702*-*-hpux*) 703 # first we define all of the options common to all HP-UX releases 704 CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1" 705 IPADDR_IN_DISPLAY=yes 706 AC_DEFINE([USE_PIPES]) 707 AC_DEFINE([LOGIN_NEEDS_UTMPX]) 708 AC_DEFINE([LOCKED_PASSWD_STRING], ["*"], 709 [String used in /etc/passwd to denote locked account]) 710 AC_DEFINE([SPT_TYPE], [SPT_PSTAT]) 711 AC_DEFINE([PLATFORM_SYS_DIR_UID], 2, [System dirs owned by bin (uid 2)]) 712 maildir="/var/mail" 713 LIBS="$LIBS -lsec" 714 AC_CHECK_LIB([xnet], [t_error], , 715 [AC_MSG_ERROR([*** -lxnet needed on HP-UX - check config.log ***])]) 716 717 # next, we define all of the options specific to major releases 718 case "$host" in 719 *-*-hpux10*) 720 if test -z "$GCC"; then 721 CFLAGS="$CFLAGS -Ae" 722 fi 723 ;; 724 *-*-hpux11*) 725 AC_DEFINE([PAM_SUN_CODEBASE], [1], 726 [Define if you are using Solaris-derived PAM which 727 passes pam_messages to the conversation function 728 with an extra level of indirection]) 729 AC_DEFINE([DISABLE_UTMP], [1], 730 [Define if you don't want to use utmp]) 731 AC_DEFINE([USE_BTMP], [1], [Use btmp to log bad logins]) 732 check_for_hpux_broken_getaddrinfo=1 733 check_for_conflicting_getspnam=1 734 ;; 735 esac 736 737 # lastly, we define options specific to minor releases 738 case "$host" in 739 *-*-hpux10.26) 740 AC_DEFINE([HAVE_SECUREWARE], [1], 741 [Define if you have SecureWare-based 742 protected password database]) 743 disable_ptmx_check=yes 744 LIBS="$LIBS -lsecpw" 745 ;; 746 esac 747 ;; 748*-*-irix5*) 749 PATH="$PATH:/usr/etc" 750 AC_DEFINE([BROKEN_INET_NTOA], [1], 751 [Define if you system's inet_ntoa is busted 752 (e.g. Irix gcc issue)]) 753 AC_DEFINE([SETEUID_BREAKS_SETUID]) 754 AC_DEFINE([BROKEN_SETREUID]) 755 AC_DEFINE([BROKEN_SETREGID]) 756 AC_DEFINE([WITH_ABBREV_NO_TTY], [1], 757 [Define if you shouldn't strip 'tty' from your 758 ttyname in [uw]tmp]) 759 AC_DEFINE([LOCKED_PASSWD_STRING], ["*LK*"]) 760 ;; 761*-*-irix6*) 762 PATH="$PATH:/usr/etc" 763 AC_DEFINE([WITH_IRIX_ARRAY], [1], 764 [Define if you have/want arrays 765 (cluster-wide session management, not C arrays)]) 766 AC_DEFINE([WITH_IRIX_PROJECT], [1], 767 [Define if you want IRIX project management]) 768 AC_DEFINE([WITH_IRIX_AUDIT], [1], 769 [Define if you want IRIX audit trails]) 770 AC_CHECK_FUNC([jlimit_startjob], [AC_DEFINE([WITH_IRIX_JOBS], [1], 771 [Define if you want IRIX kernel jobs])]) 772 AC_DEFINE([BROKEN_INET_NTOA]) 773 AC_DEFINE([SETEUID_BREAKS_SETUID]) 774 AC_DEFINE([BROKEN_SETREUID]) 775 AC_DEFINE([BROKEN_SETREGID]) 776 AC_DEFINE([BROKEN_UPDWTMPX], [1], [updwtmpx is broken (if present)]) 777 AC_DEFINE([WITH_ABBREV_NO_TTY]) 778 AC_DEFINE([LOCKED_PASSWD_STRING], ["*LK*"]) 779 ;; 780*-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 781 check_for_libcrypt_later=1 782 AC_DEFINE([PAM_TTY_KLUDGE]) 783 AC_DEFINE([LOCKED_PASSWD_PREFIX], ["!"]) 784 AC_DEFINE([SPT_TYPE], [SPT_REUSEARGV]) 785 AC_DEFINE([_PATH_BTMP], ["/var/log/btmp"], [log for bad login attempts]) 786 AC_DEFINE([USE_BTMP], [1], [Use btmp to log bad logins]) 787 ;; 788*-*-linux*) 789 no_dev_ptmx=1 790 use_pie=auto 791 check_for_libcrypt_later=1 792 check_for_openpty_ctty_bug=1 793 dnl Target SUSv3/POSIX.1-2001 plus BSD specifics. 794 dnl _DEFAULT_SOURCE is the new name for _BSD_SOURCE 795 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=600 -D_BSD_SOURCE -D_DEFAULT_SOURCE" 796 AC_DEFINE([PAM_TTY_KLUDGE], [1], 797 [Work around problematic Linux PAM modules handling of PAM_TTY]) 798 AC_DEFINE([LOCKED_PASSWD_PREFIX], ["!"], 799 [String used in /etc/passwd to denote locked account]) 800 AC_DEFINE([SPT_TYPE], [SPT_REUSEARGV]) 801 AC_DEFINE([LINK_OPNOTSUPP_ERRNO], [EPERM], 802 [Define to whatever link() returns for "not supported" 803 if it doesn't return EOPNOTSUPP.]) 804 AC_DEFINE([_PATH_BTMP], ["/var/log/btmp"], [log for bad login attempts]) 805 AC_DEFINE([USE_BTMP]) 806 AC_DEFINE([LINUX_OOM_ADJUST], [1], [Adjust Linux out-of-memory killer]) 807 inet6_default_4in6=yes 808 case `uname -r` in 809 1.*|2.0.*) 810 AC_DEFINE([BROKEN_CMSG_TYPE], [1], 811 [Define if cmsg_type is not passed correctly]) 812 ;; 813 esac 814 # tun(4) forwarding compat code 815 AC_CHECK_HEADERS([linux/if_tun.h]) 816 if test "x$ac_cv_header_linux_if_tun_h" = "xyes" ; then 817 AC_DEFINE([SSH_TUN_LINUX], [1], 818 [Open tunnel devices the Linux tun/tap way]) 819 AC_DEFINE([SSH_TUN_COMPAT_AF], [1], 820 [Use tunnel device compatibility to OpenBSD]) 821 AC_DEFINE([SSH_TUN_PREPEND_AF], [1], 822 [Prepend the address family to IP tunnel traffic]) 823 fi 824 AC_CHECK_HEADER([linux/if.h], 825 AC_DEFINE([SYS_RDOMAIN_LINUX], [1], 826 [Support routing domains using Linux VRF]), [], [ 827#ifdef HAVE_SYS_TYPES_H 828# include <sys/types.H> 829#endif 830 ]) 831 AC_CHECK_HEADERS([linux/seccomp.h linux/filter.h linux/audit.h], [], 832 [], [#include <linux/types.h>]) 833 # Obtain MIPS ABI 834 case "$host" in 835 mips*) 836 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 837#if _MIPS_SIM != _ABIO32 838#error 839#endif 840 ]])],[mips_abi="o32"],[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 841#if _MIPS_SIM != _ABIN32 842#error 843#endif 844 ]])],[mips_abi="n32"],[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 845#if _MIPS_SIM != _ABI64 846#error 847#endif 848 ]])],[mips_abi="n64"],[AC_MSG_ERROR([unknown MIPS ABI]) 849 ]) 850 ]) 851 ]) 852 ;; 853 esac 854 AC_MSG_CHECKING([for seccomp architecture]) 855 seccomp_audit_arch= 856 case "$host" in 857 x86_64-*) 858 seccomp_audit_arch=AUDIT_ARCH_X86_64 859 ;; 860 i*86-*) 861 seccomp_audit_arch=AUDIT_ARCH_I386 862 ;; 863 arm*-*) 864 seccomp_audit_arch=AUDIT_ARCH_ARM 865 ;; 866 aarch64*-*) 867 seccomp_audit_arch=AUDIT_ARCH_AARCH64 868 ;; 869 s390x-*) 870 seccomp_audit_arch=AUDIT_ARCH_S390X 871 ;; 872 s390-*) 873 seccomp_audit_arch=AUDIT_ARCH_S390 874 ;; 875 powerpc64-*) 876 seccomp_audit_arch=AUDIT_ARCH_PPC64 877 ;; 878 powerpc64le-*) 879 seccomp_audit_arch=AUDIT_ARCH_PPC64LE 880 ;; 881 mips-*) 882 seccomp_audit_arch=AUDIT_ARCH_MIPS 883 ;; 884 mipsel-*) 885 seccomp_audit_arch=AUDIT_ARCH_MIPSEL 886 ;; 887 mips64-*) 888 case "$mips_abi" in 889 "n32") 890 seccomp_audit_arch=AUDIT_ARCH_MIPS64N32 891 ;; 892 "n64") 893 seccomp_audit_arch=AUDIT_ARCH_MIPS64 894 ;; 895 esac 896 ;; 897 mips64el-*) 898 case "$mips_abi" in 899 "n32") 900 seccomp_audit_arch=AUDIT_ARCH_MIPSEL64N32 901 ;; 902 "n64") 903 seccomp_audit_arch=AUDIT_ARCH_MIPSEL64 904 ;; 905 esac 906 ;; 907 esac 908 if test "x$seccomp_audit_arch" != "x" ; then 909 AC_MSG_RESULT(["$seccomp_audit_arch"]) 910 AC_DEFINE_UNQUOTED([SECCOMP_AUDIT_ARCH], [$seccomp_audit_arch], 911 [Specify the system call convention in use]) 912 else 913 AC_MSG_RESULT([architecture not supported]) 914 fi 915 ;; 916mips-sony-bsd|mips-sony-newsos4) 917 AC_DEFINE([NEED_SETPGRP], [1], [Need setpgrp to acquire controlling tty]) 918 SONY=1 919 ;; 920*-*-netbsd*) 921 check_for_libcrypt_before=1 922 if test "x$withval" != "xno" ; then 923 need_dash_r=1 924 fi 925 CPPFLAGS="$CPPFLAGS -D_OPENBSD_SOURCE" 926 AC_DEFINE([SSH_TUN_FREEBSD], [1], [Open tunnel devices the FreeBSD way]) 927 AC_CHECK_HEADER([net/if_tap.h], , 928 AC_DEFINE([SSH_TUN_NO_L2], [1], [No layer 2 tunnel support])) 929 AC_DEFINE([SSH_TUN_PREPEND_AF], [1], 930 [Prepend the address family to IP tunnel traffic]) 931 TEST_MALLOC_OPTIONS="AJRX" 932 AC_DEFINE([BROKEN_READ_COMPARISON], [1], 933 [NetBSD read function is sometimes redirected, breaking atomicio comparisons against it]) 934 ;; 935*-*-freebsd*) 936 check_for_libcrypt_later=1 937 AC_DEFINE([LOCKED_PASSWD_PREFIX], ["*LOCKED*"], [Account locked with pw(1)]) 938 AC_DEFINE([SSH_TUN_FREEBSD], [1], [Open tunnel devices the FreeBSD way]) 939 AC_CHECK_HEADER([net/if_tap.h], , 940 AC_DEFINE([SSH_TUN_NO_L2], [1], [No layer 2 tunnel support])) 941 AC_DEFINE([BROKEN_GLOB], [1], [FreeBSD glob does not do what we need]) 942 TEST_MALLOC_OPTIONS="AJRX" 943 # Preauth crypto occasionally uses file descriptors for crypto offload 944 # and will crash if they cannot be opened. 945 AC_DEFINE([SANDBOX_SKIP_RLIMIT_NOFILE], [1], 946 [define if setrlimit RLIMIT_NOFILE breaks things]) 947 ;; 948*-*-bsdi*) 949 AC_DEFINE([SETEUID_BREAKS_SETUID]) 950 AC_DEFINE([BROKEN_SETREUID]) 951 AC_DEFINE([BROKEN_SETREGID]) 952 ;; 953*-next-*) 954 conf_lastlog_location="/usr/adm/lastlog" 955 conf_utmp_location=/etc/utmp 956 conf_wtmp_location=/usr/adm/wtmp 957 maildir=/usr/spool/mail 958 AC_DEFINE([HAVE_NEXT], [1], [Define if you are on NeXT]) 959 AC_DEFINE([BROKEN_REALPATH]) 960 AC_DEFINE([USE_PIPES]) 961 AC_DEFINE([BROKEN_SAVED_UIDS], [1], [Needed for NeXT]) 962 ;; 963*-*-openbsd*) 964 use_pie=auto 965 AC_DEFINE([HAVE_ATTRIBUTE__SENTINEL__], [1], [OpenBSD's gcc has sentinel]) 966 AC_DEFINE([HAVE_ATTRIBUTE__BOUNDED__], [1], [OpenBSD's gcc has bounded]) 967 AC_DEFINE([SSH_TUN_OPENBSD], [1], [Open tunnel devices the OpenBSD way]) 968 AC_DEFINE([SYSLOG_R_SAFE_IN_SIGHAND], [1], 969 [syslog_r function is safe to use in in a signal handler]) 970 TEST_MALLOC_OPTIONS="AFGJPRX" 971 ;; 972*-*-solaris*) 973 if test "x$withval" != "xno" ; then 974 need_dash_r=1 975 fi 976 AC_DEFINE([PAM_SUN_CODEBASE]) 977 AC_DEFINE([LOGIN_NEEDS_UTMPX]) 978 AC_DEFINE([PAM_TTY_KLUDGE]) 979 AC_DEFINE([SSHPAM_CHAUTHTOK_NEEDS_RUID], [1], 980 [Define if pam_chauthtok wants real uid set 981 to the unpriv'ed user]) 982 AC_DEFINE([LOCKED_PASSWD_STRING], ["*LK*"]) 983 # Pushing STREAMS modules will cause sshd to acquire a controlling tty. 984 AC_DEFINE([SSHD_ACQUIRES_CTTY], [1], 985 [Define if sshd somehow reacquires a controlling TTY 986 after setsid()]) 987 AC_DEFINE([PASSWD_NEEDS_USERNAME], [1], [must supply username to passwd 988 in case the name is longer than 8 chars]) 989 AC_DEFINE([BROKEN_TCGETATTR_ICANON], [1], [tcgetattr with ICANON may hang]) 990 external_path_file=/etc/default/login 991 # hardwire lastlog location (can't detect it on some versions) 992 conf_lastlog_location="/var/adm/lastlog" 993 AC_MSG_CHECKING([for obsolete utmp and wtmp in solaris2.x]) 994 sol2ver=`echo "$host"| sed -e 's/.*[[0-9]]\.//'` 995 if test "$sol2ver" -ge 8; then 996 AC_MSG_RESULT([yes]) 997 AC_DEFINE([DISABLE_UTMP]) 998 AC_DEFINE([DISABLE_WTMP], [1], 999 [Define if you don't want to use wtmp]) 1000 else 1001 AC_MSG_RESULT([no]) 1002 fi 1003 AC_CHECK_FUNCS([setpflags]) 1004 AC_CHECK_FUNCS([setppriv]) 1005 AC_CHECK_FUNCS([priv_basicset]) 1006 AC_CHECK_HEADERS([priv.h]) 1007 AC_ARG_WITH([solaris-contracts], 1008 [ --with-solaris-contracts Enable Solaris process contracts (experimental)], 1009 [ 1010 AC_CHECK_LIB([contract], [ct_tmpl_activate], 1011 [ AC_DEFINE([USE_SOLARIS_PROCESS_CONTRACTS], [1], 1012 [Define if you have Solaris process contracts]) 1013 LIBS="$LIBS -lcontract" 1014 SPC_MSG="yes" ], ) 1015 ], 1016 ) 1017 AC_ARG_WITH([solaris-projects], 1018 [ --with-solaris-projects Enable Solaris projects (experimental)], 1019 [ 1020 AC_CHECK_LIB([project], [setproject], 1021 [ AC_DEFINE([USE_SOLARIS_PROJECTS], [1], 1022 [Define if you have Solaris projects]) 1023 LIBS="$LIBS -lproject" 1024 SP_MSG="yes" ], ) 1025 ], 1026 ) 1027 AC_ARG_WITH([solaris-privs], 1028 [ --with-solaris-privs Enable Solaris/Illumos privileges (experimental)], 1029 [ 1030 AC_MSG_CHECKING([for Solaris/Illumos privilege support]) 1031 if test "x$ac_cv_func_setppriv" = "xyes" -a \ 1032 "x$ac_cv_header_priv_h" = "xyes" ; then 1033 SOLARIS_PRIVS=yes 1034 AC_MSG_RESULT([found]) 1035 AC_DEFINE([NO_UID_RESTORATION_TEST], [1], 1036 [Define to disable UID restoration test]) 1037 AC_DEFINE([USE_SOLARIS_PRIVS], [1], 1038 [Define if you have Solaris privileges]) 1039 SPP_MSG="yes" 1040 else 1041 AC_MSG_RESULT([not found]) 1042 AC_MSG_ERROR([*** must have support for Solaris privileges to use --with-solaris-privs]) 1043 fi 1044 ], 1045 ) 1046 TEST_SHELL=$SHELL # let configure find us a capable shell 1047 ;; 1048*-*-sunos4*) 1049 CPPFLAGS="$CPPFLAGS -DSUNOS4" 1050 AC_CHECK_FUNCS([getpwanam]) 1051 AC_DEFINE([PAM_SUN_CODEBASE]) 1052 conf_utmp_location=/etc/utmp 1053 conf_wtmp_location=/var/adm/wtmp 1054 conf_lastlog_location=/var/adm/lastlog 1055 AC_DEFINE([USE_PIPES]) 1056 AC_DEFINE([DISABLE_UTMPX], [1], [no utmpx]) 1057 ;; 1058*-ncr-sysv*) 1059 LIBS="$LIBS -lc89" 1060 AC_DEFINE([USE_PIPES]) 1061 AC_DEFINE([SSHD_ACQUIRES_CTTY]) 1062 AC_DEFINE([SETEUID_BREAKS_SETUID]) 1063 AC_DEFINE([BROKEN_SETREUID]) 1064 AC_DEFINE([BROKEN_SETREGID]) 1065 ;; 1066*-sni-sysv*) 1067 # /usr/ucblib MUST NOT be searched on ReliantUNIX 1068 AC_CHECK_LIB([dl], [dlsym], ,) 1069 # -lresolv needs to be at the end of LIBS or DNS lookups break 1070 AC_CHECK_LIB([resolv], [res_query], [ LIBS="$LIBS -lresolv" ]) 1071 IPADDR_IN_DISPLAY=yes 1072 AC_DEFINE([USE_PIPES]) 1073 AC_DEFINE([IP_TOS_IS_BROKEN]) 1074 AC_DEFINE([SETEUID_BREAKS_SETUID]) 1075 AC_DEFINE([BROKEN_SETREUID]) 1076 AC_DEFINE([BROKEN_SETREGID]) 1077 AC_DEFINE([SSHD_ACQUIRES_CTTY]) 1078 external_path_file=/etc/default/login 1079 # /usr/ucblib/libucb.a no longer needed on ReliantUNIX 1080 # Attention: always take care to bind libsocket and libnsl before libc, 1081 # otherwise you will find lots of "SIOCGPGRP errno 22" on syslog 1082 ;; 1083# UnixWare 1.x, UnixWare 2.x, and others based on code from Univel. 1084*-*-sysv4.2*) 1085 AC_DEFINE([USE_PIPES]) 1086 AC_DEFINE([SETEUID_BREAKS_SETUID]) 1087 AC_DEFINE([BROKEN_SETREUID]) 1088 AC_DEFINE([BROKEN_SETREGID]) 1089 AC_DEFINE([PASSWD_NEEDS_USERNAME], [1], [must supply username to passwd]) 1090 AC_DEFINE([LOCKED_PASSWD_STRING], ["*LK*"]) 1091 TEST_SHELL=$SHELL # let configure find us a capable shell 1092 ;; 1093# UnixWare 7.x, OpenUNIX 8 1094*-*-sysv5*) 1095 CPPFLAGS="$CPPFLAGS -Dvsnprintf=_xvsnprintf -Dsnprintf=_xsnprintf" 1096 AC_DEFINE([UNIXWARE_LONG_PASSWORDS], [1], [Support passwords > 8 chars]) 1097 AC_DEFINE([USE_PIPES]) 1098 AC_DEFINE([SETEUID_BREAKS_SETUID]) 1099 AC_DEFINE([BROKEN_GETADDRINFO]) 1100 AC_DEFINE([BROKEN_SETREUID]) 1101 AC_DEFINE([BROKEN_SETREGID]) 1102 AC_DEFINE([PASSWD_NEEDS_USERNAME]) 1103 AC_DEFINE([BROKEN_TCGETATTR_ICANON]) 1104 TEST_SHELL=$SHELL # let configure find us a capable shell 1105 check_for_libcrypt_later=1 1106 case "$host" in 1107 *-*-sysv5SCO_SV*) # SCO OpenServer 6.x 1108 maildir=/var/spool/mail 1109 AC_DEFINE([BROKEN_UPDWTMPX]) 1110 AC_CHECK_LIB([prot], [getluid], [ LIBS="$LIBS -lprot" 1111 AC_CHECK_FUNCS([getluid setluid], , , [-lprot]) 1112 ], , ) 1113 ;; 1114 *) AC_DEFINE([LOCKED_PASSWD_STRING], ["*LK*"]) 1115 ;; 1116 esac 1117 ;; 1118*-*-sysv*) 1119 ;; 1120# SCO UNIX and OEM versions of SCO UNIX 1121*-*-sco3.2v4*) 1122 AC_MSG_ERROR("This Platform is no longer supported.") 1123 ;; 1124# SCO OpenServer 5.x 1125*-*-sco3.2v5*) 1126 if test -z "$GCC"; then 1127 CFLAGS="$CFLAGS -belf" 1128 fi 1129 LIBS="$LIBS -lprot -lx -ltinfo -lm" 1130 no_dev_ptmx=1 1131 AC_DEFINE([USE_PIPES]) 1132 AC_DEFINE([HAVE_SECUREWARE]) 1133 AC_DEFINE([DISABLE_SHADOW]) 1134 AC_DEFINE([DISABLE_FD_PASSING]) 1135 AC_DEFINE([SETEUID_BREAKS_SETUID]) 1136 AC_DEFINE([BROKEN_GETADDRINFO]) 1137 AC_DEFINE([BROKEN_SETREUID]) 1138 AC_DEFINE([BROKEN_SETREGID]) 1139 AC_DEFINE([WITH_ABBREV_NO_TTY]) 1140 AC_DEFINE([BROKEN_UPDWTMPX]) 1141 AC_DEFINE([PASSWD_NEEDS_USERNAME]) 1142 AC_CHECK_FUNCS([getluid setluid]) 1143 MANTYPE=man 1144 TEST_SHELL=$SHELL # let configure find us a capable shell 1145 SKIP_DISABLE_LASTLOG_DEFINE=yes 1146 ;; 1147*-dec-osf*) 1148 AC_MSG_CHECKING([for Digital Unix SIA]) 1149 no_osfsia="" 1150 AC_ARG_WITH([osfsia], 1151 [ --with-osfsia Enable Digital Unix SIA], 1152 [ 1153 if test "x$withval" = "xno" ; then 1154 AC_MSG_RESULT([disabled]) 1155 no_osfsia=1 1156 fi 1157 ], 1158 ) 1159 if test -z "$no_osfsia" ; then 1160 if test -f /etc/sia/matrix.conf; then 1161 AC_MSG_RESULT([yes]) 1162 AC_DEFINE([HAVE_OSF_SIA], [1], 1163 [Define if you have Digital Unix Security 1164 Integration Architecture]) 1165 AC_DEFINE([DISABLE_LOGIN], [1], 1166 [Define if you don't want to use your 1167 system's login() call]) 1168 AC_DEFINE([DISABLE_FD_PASSING]) 1169 LIBS="$LIBS -lsecurity -ldb -lm -laud" 1170 SIA_MSG="yes" 1171 else 1172 AC_MSG_RESULT([no]) 1173 AC_DEFINE([LOCKED_PASSWD_SUBSTR], ["Nologin"], 1174 [String used in /etc/passwd to denote locked account]) 1175 fi 1176 fi 1177 AC_DEFINE([BROKEN_GETADDRINFO]) 1178 AC_DEFINE([SETEUID_BREAKS_SETUID]) 1179 AC_DEFINE([BROKEN_SETREUID]) 1180 AC_DEFINE([BROKEN_SETREGID]) 1181 AC_DEFINE([BROKEN_READV_COMPARISON], [1], [Can't do comparisons on readv]) 1182 ;; 1183 1184*-*-nto-qnx*) 1185 AC_DEFINE([USE_PIPES]) 1186 AC_DEFINE([NO_X11_UNIX_SOCKETS]) 1187 AC_DEFINE([DISABLE_LASTLOG]) 1188 AC_DEFINE([SSHD_ACQUIRES_CTTY]) 1189 AC_DEFINE([BROKEN_SHADOW_EXPIRE], [1], [QNX shadow support is broken]) 1190 enable_etc_default_login=no # has incompatible /etc/default/login 1191 case "$host" in 1192 *-*-nto-qnx6*) 1193 AC_DEFINE([DISABLE_FD_PASSING]) 1194 ;; 1195 esac 1196 ;; 1197 1198*-*-ultrix*) 1199 AC_DEFINE([BROKEN_GETGROUPS], [1], [getgroups(0,NULL) will return -1]) 1200 AC_DEFINE([NEED_SETPGRP]) 1201 AC_DEFINE([HAVE_SYS_SYSLOG_H], [1], [Force use of sys/syslog.h on Ultrix]) 1202 ;; 1203 1204*-*-lynxos) 1205 CFLAGS="$CFLAGS -D__NO_INCLUDE_WARN__" 1206 AC_DEFINE([BROKEN_SETVBUF], [1], 1207 [LynxOS has broken setvbuf() implementation]) 1208 ;; 1209esac 1210 1211AC_MSG_CHECKING([compiler and flags for sanity]) 1212AC_RUN_IFELSE([AC_LANG_PROGRAM([[ #include <stdio.h> ]], [[ exit(0); ]])], 1213 [ AC_MSG_RESULT([yes]) ], 1214 [ 1215 AC_MSG_RESULT([no]) 1216 AC_MSG_ERROR([*** compiler cannot create working executables, check config.log ***]) 1217 ], 1218 [ AC_MSG_WARN([cross compiling: not checking compiler sanity]) ] 1219) 1220 1221dnl Checks for header files. 1222# Checks for libraries. 1223AC_CHECK_FUNC([setsockopt], , [AC_CHECK_LIB([socket], [setsockopt])]) 1224 1225dnl IRIX and Solaris 2.5.1 have dirname() in libgen 1226AC_CHECK_FUNCS([dirname], [AC_CHECK_HEADERS([libgen.h])] , [ 1227 AC_CHECK_LIB([gen], [dirname], [ 1228 AC_CACHE_CHECK([for broken dirname], 1229 ac_cv_have_broken_dirname, [ 1230 save_LIBS="$LIBS" 1231 LIBS="$LIBS -lgen" 1232 AC_RUN_IFELSE( 1233 [AC_LANG_SOURCE([[ 1234#include <libgen.h> 1235#include <string.h> 1236 1237int main(int argc, char **argv) { 1238 char *s, buf[32]; 1239 1240 strncpy(buf,"/etc", 32); 1241 s = dirname(buf); 1242 if (!s || strncmp(s, "/", 32) != 0) { 1243 exit(1); 1244 } else { 1245 exit(0); 1246 } 1247} 1248 ]])], 1249 [ ac_cv_have_broken_dirname="no" ], 1250 [ ac_cv_have_broken_dirname="yes" ], 1251 [ ac_cv_have_broken_dirname="no" ], 1252 ) 1253 LIBS="$save_LIBS" 1254 ]) 1255 if test "x$ac_cv_have_broken_dirname" = "xno" ; then 1256 LIBS="$LIBS -lgen" 1257 AC_DEFINE([HAVE_DIRNAME]) 1258 AC_CHECK_HEADERS([libgen.h]) 1259 fi 1260 ]) 1261]) 1262 1263AC_CHECK_FUNC([getspnam], , 1264 [AC_CHECK_LIB([gen], [getspnam], [LIBS="$LIBS -lgen"])]) 1265AC_SEARCH_LIBS([basename], [gen], [AC_DEFINE([HAVE_BASENAME], [1], 1266 [Define if you have the basename function.])]) 1267 1268dnl zlib is required 1269AC_ARG_WITH([zlib], 1270 [ --with-zlib=PATH Use zlib in PATH], 1271 [ if test "x$withval" = "xno" ; then 1272 AC_MSG_ERROR([*** zlib is required ***]) 1273 elif test "x$withval" != "xyes"; then 1274 if test -d "$withval/lib"; then 1275 if test -n "${need_dash_r}"; then 1276 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}" 1277 else 1278 LDFLAGS="-L${withval}/lib ${LDFLAGS}" 1279 fi 1280 else 1281 if test -n "${need_dash_r}"; then 1282 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}" 1283 else 1284 LDFLAGS="-L${withval} ${LDFLAGS}" 1285 fi 1286 fi 1287 if test -d "$withval/include"; then 1288 CPPFLAGS="-I${withval}/include ${CPPFLAGS}" 1289 else 1290 CPPFLAGS="-I${withval} ${CPPFLAGS}" 1291 fi 1292 fi ] 1293) 1294 1295AC_CHECK_HEADER([zlib.h], ,[AC_MSG_ERROR([*** zlib.h missing - please install first or check config.log ***])]) 1296AC_CHECK_LIB([z], [deflate], , 1297 [ 1298 saved_CPPFLAGS="$CPPFLAGS" 1299 saved_LDFLAGS="$LDFLAGS" 1300 save_LIBS="$LIBS" 1301 dnl Check default zlib install dir 1302 if test -n "${need_dash_r}"; then 1303 LDFLAGS="-L/usr/local/lib -R/usr/local/lib ${saved_LDFLAGS}" 1304 else 1305 LDFLAGS="-L/usr/local/lib ${saved_LDFLAGS}" 1306 fi 1307 CPPFLAGS="-I/usr/local/include ${saved_CPPFLAGS}" 1308 LIBS="$LIBS -lz" 1309 AC_TRY_LINK_FUNC([deflate], [AC_DEFINE([HAVE_LIBZ])], 1310 [ 1311 AC_MSG_ERROR([*** zlib missing - please install first or check config.log ***]) 1312 ] 1313 ) 1314 ] 1315) 1316 1317AC_ARG_WITH([zlib-version-check], 1318 [ --without-zlib-version-check Disable zlib version check], 1319 [ if test "x$withval" = "xno" ; then 1320 zlib_check_nonfatal=1 1321 fi 1322 ] 1323) 1324 1325AC_MSG_CHECKING([for possibly buggy zlib]) 1326AC_RUN_IFELSE([AC_LANG_PROGRAM([[ 1327#include <stdio.h> 1328#include <stdlib.h> 1329#include <zlib.h> 1330 ]], 1331 [[ 1332 int a=0, b=0, c=0, d=0, n, v; 1333 n = sscanf(ZLIB_VERSION, "%d.%d.%d.%d", &a, &b, &c, &d); 1334 if (n != 3 && n != 4) 1335 exit(1); 1336 v = a*1000000 + b*10000 + c*100 + d; 1337 fprintf(stderr, "found zlib version %s (%d)\n", ZLIB_VERSION, v); 1338 1339 /* 1.1.4 is OK */ 1340 if (a == 1 && b == 1 && c >= 4) 1341 exit(0); 1342 1343 /* 1.2.3 and up are OK */ 1344 if (v >= 1020300) 1345 exit(0); 1346 1347 exit(2); 1348 ]])], 1349 AC_MSG_RESULT([no]), 1350 [ AC_MSG_RESULT([yes]) 1351 if test -z "$zlib_check_nonfatal" ; then 1352 AC_MSG_ERROR([*** zlib too old - check config.log *** 1353Your reported zlib version has known security problems. It's possible your 1354vendor has fixed these problems without changing the version number. If you 1355are sure this is the case, you can disable the check by running 1356"./configure --without-zlib-version-check". 1357If you are in doubt, upgrade zlib to version 1.2.3 or greater. 1358See http://www.gzip.org/zlib/ for details.]) 1359 else 1360 AC_MSG_WARN([zlib version may have security problems]) 1361 fi 1362 ], 1363 [ AC_MSG_WARN([cross compiling: not checking zlib version]) ] 1364) 1365 1366dnl UnixWare 2.x 1367AC_CHECK_FUNC([strcasecmp], 1368 [], [ AC_CHECK_LIB([resolv], [strcasecmp], [LIBS="$LIBS -lresolv"]) ] 1369) 1370AC_CHECK_FUNCS([utimes], 1371 [], [ AC_CHECK_LIB([c89], [utimes], [AC_DEFINE([HAVE_UTIMES]) 1372 LIBS="$LIBS -lc89"]) ] 1373) 1374 1375dnl Checks for libutil functions 1376AC_CHECK_HEADERS([bsd/libutil.h libutil.h]) 1377AC_SEARCH_LIBS([fmt_scaled], [util bsd]) 1378AC_SEARCH_LIBS([scan_scaled], [util bsd]) 1379AC_SEARCH_LIBS([login], [util bsd]) 1380AC_SEARCH_LIBS([logout], [util bsd]) 1381AC_SEARCH_LIBS([logwtmp], [util bsd]) 1382AC_SEARCH_LIBS([openpty], [util bsd]) 1383AC_SEARCH_LIBS([updwtmp], [util bsd]) 1384AC_CHECK_FUNCS([fmt_scaled scan_scaled login logout openpty updwtmp logwtmp]) 1385 1386# On some platforms, inet_ntop and gethostbyname may be found in libresolv 1387# or libnsl. 1388AC_SEARCH_LIBS([inet_ntop], [resolv nsl]) 1389AC_SEARCH_LIBS([gethostbyname], [resolv nsl]) 1390 1391# "Particular Function Checks" 1392# see https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Particular-Functions.html 1393AC_FUNC_STRFTIME 1394AC_FUNC_MALLOC 1395AC_FUNC_REALLOC 1396# autoconf doesn't have AC_FUNC_CALLOC so fake it if malloc returns NULL; 1397AC_MSG_CHECKING([if calloc(0, N) returns non-null]) 1398AC_RUN_IFELSE( 1399 [AC_LANG_PROGRAM( 1400 [[ #include <stdlib.h> ]], 1401 [[ void *p = calloc(0, 1); exit(p == NULL); ]] 1402 )], 1403 [ func_calloc_0_nonnull=yes ], 1404 [ func_calloc_0_nonnull=no ], 1405 [ AC_MSG_WARN([cross compiling: assuming same as malloc]) 1406 func_calloc_0_nonnull="$ac_cv_func_malloc_0_nonnull"] 1407) 1408AC_MSG_RESULT([$func_calloc_0_nonnull]) 1409 1410if test "x$func_calloc_0_nonnull" = "xyes"; then 1411 AC_DEFINE(HAVE_CALLOC, 1, [calloc(0, x) returns non-null]) 1412else 1413 AC_DEFINE(HAVE_CALLOC, 0, [calloc(0, x) returns NULL]) 1414 AC_DEFINE(calloc, rpl_calloc, 1415 [Define to rpl_calloc if the replacement function should be used.]) 1416fi 1417 1418# Check for ALTDIRFUNC glob() extension 1419AC_MSG_CHECKING([for GLOB_ALTDIRFUNC support]) 1420AC_EGREP_CPP([FOUNDIT], 1421 [ 1422 #include <glob.h> 1423 #ifdef GLOB_ALTDIRFUNC 1424 FOUNDIT 1425 #endif 1426 ], 1427 [ 1428 AC_DEFINE([GLOB_HAS_ALTDIRFUNC], [1], 1429 [Define if your system glob() function has 1430 the GLOB_ALTDIRFUNC extension]) 1431 AC_MSG_RESULT([yes]) 1432 ], 1433 [ 1434 AC_MSG_RESULT([no]) 1435 ] 1436) 1437 1438# Check for g.gl_matchc glob() extension 1439AC_MSG_CHECKING([for gl_matchc field in glob_t]) 1440AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <glob.h> ]], 1441 [[ glob_t g; g.gl_matchc = 1; ]])], 1442 [ 1443 AC_DEFINE([GLOB_HAS_GL_MATCHC], [1], 1444 [Define if your system glob() function has 1445 gl_matchc options in glob_t]) 1446 AC_MSG_RESULT([yes]) 1447 ], [ 1448 AC_MSG_RESULT([no]) 1449]) 1450 1451# Check for g.gl_statv glob() extension 1452AC_MSG_CHECKING([for gl_statv and GLOB_KEEPSTAT extensions for glob]) 1453AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <glob.h> ]], [[ 1454#ifndef GLOB_KEEPSTAT 1455#error "glob does not support GLOB_KEEPSTAT extension" 1456#endif 1457glob_t g; 1458g.gl_statv = NULL; 1459]])], 1460 [ 1461 AC_DEFINE([GLOB_HAS_GL_STATV], [1], 1462 [Define if your system glob() function has 1463 gl_statv options in glob_t]) 1464 AC_MSG_RESULT([yes]) 1465 ], [ 1466 AC_MSG_RESULT([no]) 1467 1468]) 1469 1470AC_CHECK_DECLS([GLOB_NOMATCH], , , [#include <glob.h>]) 1471 1472AC_CHECK_DECL([VIS_ALL], , 1473 AC_DEFINE(BROKEN_STRNVIS, 1, [missing VIS_ALL]), [#include <vis.h>]) 1474 1475AC_MSG_CHECKING([whether struct dirent allocates space for d_name]) 1476AC_RUN_IFELSE( 1477 [AC_LANG_PROGRAM([[ 1478#include <sys/types.h> 1479#include <dirent.h>]], 1480 [[ 1481 struct dirent d; 1482 exit(sizeof(d.d_name)<=sizeof(char)); 1483 ]])], 1484 [AC_MSG_RESULT([yes])], 1485 [ 1486 AC_MSG_RESULT([no]) 1487 AC_DEFINE([BROKEN_ONE_BYTE_DIRENT_D_NAME], [1], 1488 [Define if your struct dirent expects you to 1489 allocate extra space for d_name]) 1490 ], 1491 [ 1492 AC_MSG_WARN([cross compiling: assuming BROKEN_ONE_BYTE_DIRENT_D_NAME]) 1493 AC_DEFINE([BROKEN_ONE_BYTE_DIRENT_D_NAME]) 1494 ] 1495) 1496 1497AC_MSG_CHECKING([for /proc/pid/fd directory]) 1498if test -d "/proc/$$/fd" ; then 1499 AC_DEFINE([HAVE_PROC_PID], [1], [Define if you have /proc/$pid/fd]) 1500 AC_MSG_RESULT([yes]) 1501else 1502 AC_MSG_RESULT([no]) 1503fi 1504 1505# Check whether user wants TCP wrappers support 1506TCPW_MSG="no" 1507AC_ARG_WITH([tcp-wrappers], 1508 [ --with-tcp-wrappers[[=PATH]] Enable tcpwrappers support (optionally in PATH)], 1509 [ 1510 if test "x$withval" != "xno" ; then 1511 saved_LIBS="$LIBS" 1512 saved_LDFLAGS="$LDFLAGS" 1513 saved_CPPFLAGS="$CPPFLAGS" 1514 if test -n "${withval}" && \ 1515 test "x${withval}" != "xyes"; then 1516 if test -d "${withval}/lib"; then 1517 if test -n "${need_dash_r}"; then 1518 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}" 1519 else 1520 LDFLAGS="-L${withval}/lib ${LDFLAGS}" 1521 fi 1522 else 1523 if test -n "${need_dash_r}"; then 1524 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}" 1525 else 1526 LDFLAGS="-L${withval} ${LDFLAGS}" 1527 fi 1528 fi 1529 if test -d "${withval}/include"; then 1530 CPPFLAGS="-I${withval}/include ${CPPFLAGS}" 1531 else 1532 CPPFLAGS="-I${withval} ${CPPFLAGS}" 1533 fi 1534 fi 1535 LIBS="-lwrap $LIBS" 1536 AC_MSG_CHECKING([for libwrap]) 1537 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ 1538#include <sys/types.h> 1539#include <sys/socket.h> 1540#include <netinet/in.h> 1541#include <tcpd.h> 1542int deny_severity = 0, allow_severity = 0; 1543 ]], [[ 1544 hosts_access(0); 1545 ]])], [ 1546 AC_MSG_RESULT([yes]) 1547 AC_DEFINE([LIBWRAP], [1], 1548 [Define if you want 1549 TCP Wrappers support]) 1550 SSHDLIBS="$SSHDLIBS -lwrap" 1551 TCPW_MSG="yes" 1552 ], [ 1553 AC_MSG_ERROR([*** libwrap missing]) 1554 ]) 1555 LIBS="$saved_LIBS" 1556 fi 1557 ] 1558) 1559 1560# Check whether user wants to use ldns 1561LDNS_MSG="no" 1562AC_ARG_WITH(ldns, 1563 [ --with-ldns[[=PATH]] Use ldns for DNSSEC support (optionally in PATH)], 1564 [ 1565 ldns="" 1566 if test "x$withval" = "xyes" ; then 1567 AC_PATH_TOOL([LDNSCONFIG], [ldns-config], [no]) 1568 if test "x$LDNSCONFIG" = "xno"; then 1569 CPPFLAGS="$CPPFLAGS -I${withval}/include" 1570 LDFLAGS="$LDFLAGS -L${withval}/lib" 1571 LIBS="-lldns $LIBS" 1572 ldns=yes 1573 else 1574 LIBS="$LIBS `$LDNSCONFIG --libs`" 1575 CPPFLAGS="$CPPFLAGS `$LDNSCONFIG --cflags`" 1576 ldns=yes 1577 fi 1578 elif test "x$withval" != "xno" ; then 1579 CPPFLAGS="$CPPFLAGS -I${withval}/include" 1580 LDFLAGS="$LDFLAGS -L${withval}/lib" 1581 LIBS="-lldns $LIBS" 1582 ldns=yes 1583 fi 1584 1585 # Verify that it works. 1586 if test "x$ldns" = "xyes" ; then 1587 AC_DEFINE(HAVE_LDNS, 1, [Define if you want ldns support]) 1588 LDNS_MSG="yes" 1589 AC_MSG_CHECKING([for ldns support]) 1590 AC_LINK_IFELSE( 1591 [AC_LANG_SOURCE([[ 1592#include <stdio.h> 1593#include <stdlib.h> 1594#include <stdint.h> 1595#include <ldns/ldns.h> 1596int main() { ldns_status status = ldns_verify_trusted(NULL, NULL, NULL, NULL); status=LDNS_STATUS_OK; exit(0); } 1597 ]]) 1598 ], 1599 [AC_MSG_RESULT(yes)], 1600 [ 1601 AC_MSG_RESULT(no) 1602 AC_MSG_ERROR([** Incomplete or missing ldns libraries.]) 1603 ]) 1604 fi 1605]) 1606 1607# Check whether user wants libedit support 1608LIBEDIT_MSG="no" 1609AC_ARG_WITH([libedit], 1610 [ --with-libedit[[=PATH]] Enable libedit support for sftp], 1611 [ if test "x$withval" != "xno" ; then 1612 if test "x$withval" = "xyes" ; then 1613 AC_PATH_TOOL([PKGCONFIG], [pkg-config], [no]) 1614 if test "x$PKGCONFIG" != "xno"; then 1615 AC_MSG_CHECKING([if $PKGCONFIG knows about libedit]) 1616 if "$PKGCONFIG" libedit; then 1617 AC_MSG_RESULT([yes]) 1618 use_pkgconfig_for_libedit=yes 1619 else 1620 AC_MSG_RESULT([no]) 1621 fi 1622 fi 1623 else 1624 CPPFLAGS="$CPPFLAGS -I${withval}/include" 1625 if test -n "${need_dash_r}"; then 1626 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}" 1627 else 1628 LDFLAGS="-L${withval}/lib ${LDFLAGS}" 1629 fi 1630 fi 1631 if test "x$use_pkgconfig_for_libedit" = "xyes"; then 1632 LIBEDIT=`$PKGCONFIG --libs libedit` 1633 CPPFLAGS="$CPPFLAGS `$PKGCONFIG --cflags libedit`" 1634 else 1635 LIBEDIT="-ledit -lcurses" 1636 fi 1637 OTHERLIBS=`echo $LIBEDIT | sed 's/-ledit//'` 1638 AC_CHECK_LIB([edit], [el_init], 1639 [ AC_DEFINE([USE_LIBEDIT], [1], [Use libedit for sftp]) 1640 LIBEDIT_MSG="yes" 1641 AC_SUBST([LIBEDIT]) 1642 ], 1643 [ AC_MSG_ERROR([libedit not found]) ], 1644 [ $OTHERLIBS ] 1645 ) 1646 AC_MSG_CHECKING([if libedit version is compatible]) 1647 AC_COMPILE_IFELSE( 1648 [AC_LANG_PROGRAM([[ #include <histedit.h> ]], 1649 [[ 1650 int i = H_SETSIZE; 1651 el_init("", NULL, NULL, NULL); 1652 exit(0); 1653 ]])], 1654 [ AC_MSG_RESULT([yes]) ], 1655 [ AC_MSG_RESULT([no]) 1656 AC_MSG_ERROR([libedit version is not compatible]) ] 1657 ) 1658 fi ] 1659) 1660 1661AUDIT_MODULE=none 1662AC_ARG_WITH([audit], 1663 [ --with-audit=module Enable audit support (modules=debug,bsm,linux)], 1664 [ 1665 AC_MSG_CHECKING([for supported audit module]) 1666 case "$withval" in 1667 bsm) 1668 AC_MSG_RESULT([bsm]) 1669 AUDIT_MODULE=bsm 1670 dnl Checks for headers, libs and functions 1671 AC_CHECK_HEADERS([bsm/audit.h], [], 1672 [AC_MSG_ERROR([BSM enabled and bsm/audit.h not found])], 1673 [ 1674#ifdef HAVE_TIME_H 1675# include <time.h> 1676#endif 1677 ] 1678) 1679 AC_CHECK_LIB([bsm], [getaudit], [], 1680 [AC_MSG_ERROR([BSM enabled and required library not found])]) 1681 AC_CHECK_FUNCS([getaudit], [], 1682 [AC_MSG_ERROR([BSM enabled and required function not found])]) 1683 # These are optional 1684 AC_CHECK_FUNCS([getaudit_addr aug_get_machine]) 1685 AC_DEFINE([USE_BSM_AUDIT], [1], [Use BSM audit module]) 1686 if test "$sol2ver" -ge 11; then 1687 SSHDLIBS="$SSHDLIBS -lscf" 1688 AC_DEFINE([BROKEN_BSM_API], [1], 1689 [The system has incomplete BSM API]) 1690 fi 1691 ;; 1692 linux) 1693 AC_MSG_RESULT([linux]) 1694 AUDIT_MODULE=linux 1695 dnl Checks for headers, libs and functions 1696 AC_CHECK_HEADERS([libaudit.h]) 1697 SSHDLIBS="$SSHDLIBS -laudit" 1698 AC_DEFINE([USE_LINUX_AUDIT], [1], [Use Linux audit module]) 1699 ;; 1700 debug) 1701 AUDIT_MODULE=debug 1702 AC_MSG_RESULT([debug]) 1703 AC_DEFINE([SSH_AUDIT_EVENTS], [1], [Use audit debugging module]) 1704 ;; 1705 no) 1706 AC_MSG_RESULT([no]) 1707 ;; 1708 *) 1709 AC_MSG_ERROR([Unknown audit module $withval]) 1710 ;; 1711 esac ] 1712) 1713 1714AC_ARG_WITH([pie], 1715 [ --with-pie Build Position Independent Executables if possible], [ 1716 if test "x$withval" = "xno"; then 1717 use_pie=no 1718 fi 1719 if test "x$withval" = "xyes"; then 1720 use_pie=yes 1721 fi 1722 ] 1723) 1724if test "x$use_pie" = "x"; then 1725 use_pie=no 1726fi 1727if test "x$use_toolchain_hardening" != "x1" && test "x$use_pie" = "xauto"; then 1728 # Turn off automatic PIE when toolchain hardening is off. 1729 use_pie=no 1730fi 1731if test "x$use_pie" = "xauto"; then 1732 # Automatic PIE requires gcc >= 4.x 1733 AC_MSG_CHECKING([for gcc >= 4.x]) 1734 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ 1735#if !defined(__GNUC__) || __GNUC__ < 4 1736#error gcc is too old 1737#endif 1738]])], 1739 [ AC_MSG_RESULT([yes]) ], 1740 [ AC_MSG_RESULT([no]) 1741 use_pie=no ] 1742) 1743fi 1744if test "x$use_pie" != "xno"; then 1745 SAVED_CFLAGS="$CFLAGS" 1746 SAVED_LDFLAGS="$LDFLAGS" 1747 OSSH_CHECK_CFLAG_COMPILE([-fPIE]) 1748 OSSH_CHECK_LDFLAG_LINK([-pie]) 1749 # We use both -fPIE and -pie or neither. 1750 AC_MSG_CHECKING([whether both -fPIE and -pie are supported]) 1751 if echo "x $CFLAGS" | grep ' -fPIE' >/dev/null 2>&1 && \ 1752 echo "x $LDFLAGS" | grep ' -pie' >/dev/null 2>&1 ; then 1753 AC_MSG_RESULT([yes]) 1754 else 1755 AC_MSG_RESULT([no]) 1756 CFLAGS="$SAVED_CFLAGS" 1757 LDFLAGS="$SAVED_LDFLAGS" 1758 fi 1759fi 1760 1761dnl Checks for library functions. Please keep in alphabetical order 1762AC_CHECK_FUNCS([ \ 1763 Blowfish_initstate \ 1764 Blowfish_expandstate \ 1765 Blowfish_expand0state \ 1766 Blowfish_stream2word \ 1767 asprintf \ 1768 b64_ntop \ 1769 __b64_ntop \ 1770 b64_pton \ 1771 __b64_pton \ 1772 bcopy \ 1773 bcrypt_pbkdf \ 1774 bindresvport_sa \ 1775 blf_enc \ 1776 bzero \ 1777 cap_rights_limit \ 1778 clock \ 1779 closefrom \ 1780 dirfd \ 1781 endgrent \ 1782 err \ 1783 errx \ 1784 explicit_bzero \ 1785 fchmod \ 1786 fchown \ 1787 flock \ 1788 freeaddrinfo \ 1789 freezero \ 1790 fstatfs \ 1791 fstatvfs \ 1792 futimes \ 1793 getaddrinfo \ 1794 getcwd \ 1795 getgrouplist \ 1796 getline \ 1797 getnameinfo \ 1798 getopt \ 1799 getpagesize \ 1800 getpeereid \ 1801 getpeerucred \ 1802 getpgid \ 1803 _getpty \ 1804 getrlimit \ 1805 getrandom \ 1806 getsid \ 1807 getttyent \ 1808 glob \ 1809 group_from_gid \ 1810 inet_aton \ 1811 inet_ntoa \ 1812 inet_ntop \ 1813 innetgr \ 1814 llabs \ 1815 login_getcapbool \ 1816 md5_crypt \ 1817 memmove \ 1818 memset_s \ 1819 mkdtemp \ 1820 ngetaddrinfo \ 1821 nsleep \ 1822 ogetaddrinfo \ 1823 openlog_r \ 1824 pledge \ 1825 poll \ 1826 prctl \ 1827 pstat \ 1828 raise \ 1829 readpassphrase \ 1830 reallocarray \ 1831 recvmsg \ 1832 recallocarray \ 1833 rresvport_af \ 1834 sendmsg \ 1835 setdtablesize \ 1836 setegid \ 1837 setenv \ 1838 seteuid \ 1839 setgroupent \ 1840 setgroups \ 1841 setlinebuf \ 1842 setlogin \ 1843 setpassent\ 1844 setpcred \ 1845 setproctitle \ 1846 setregid \ 1847 setreuid \ 1848 setrlimit \ 1849 setsid \ 1850 setvbuf \ 1851 sigaction \ 1852 sigvec \ 1853 snprintf \ 1854 socketpair \ 1855 statfs \ 1856 statvfs \ 1857 strcasestr \ 1858 strdup \ 1859 strerror \ 1860 strlcat \ 1861 strlcpy \ 1862 strmode \ 1863 strndup \ 1864 strnlen \ 1865 strnvis \ 1866 strptime \ 1867 strsignal \ 1868 strtonum \ 1869 strtoll \ 1870 strtoul \ 1871 strtoull \ 1872 swap32 \ 1873 sysconf \ 1874 tcgetpgrp \ 1875 timingsafe_bcmp \ 1876 truncate \ 1877 unsetenv \ 1878 updwtmpx \ 1879 user_from_uid \ 1880 usleep \ 1881 vasprintf \ 1882 vsnprintf \ 1883 waitpid \ 1884 warn \ 1885]) 1886 1887AC_CHECK_DECLS([bzero]) 1888 1889dnl Wide character support. 1890AC_CHECK_FUNCS([mblen mbtowc nl_langinfo wcwidth]) 1891 1892TEST_SSH_UTF8=${TEST_SSH_UTF8:=yes} 1893AC_MSG_CHECKING([for utf8 locale support]) 1894AC_RUN_IFELSE( 1895 [AC_LANG_PROGRAM([[ 1896#include <locale.h> 1897#include <stdlib.h> 1898 ]], [[ 1899 char *loc = setlocale(LC_CTYPE, "en_US.UTF-8"); 1900 if (loc != NULL) 1901 exit(0); 1902 exit(1); 1903 ]])], 1904 AC_MSG_RESULT(yes), 1905 [AC_MSG_RESULT(no) 1906 TEST_SSH_UTF8=no], 1907 AC_MSG_WARN([cross compiling: assuming yes]) 1908) 1909 1910AC_LINK_IFELSE( 1911 [AC_LANG_PROGRAM( 1912 [[ #include <ctype.h> ]], 1913 [[ return (isblank('a')); ]])], 1914 [AC_DEFINE([HAVE_ISBLANK], [1], [Define if you have isblank(3C).]) 1915]) 1916 1917disable_pkcs11= 1918AC_ARG_ENABLE([pkcs11], 1919 [ --disable-pkcs11 disable PKCS#11 support code [no]], 1920 [ 1921 if test "x$enableval" = "xno" ; then 1922 disable_pkcs11=1 1923 fi 1924 ] 1925) 1926 1927# PKCS11 depends on OpenSSL. 1928if test "x$openssl" = "xyes" && test "x$disable_pkcs11" = "x"; then 1929 # PKCS#11 support requires dlopen() and co 1930 AC_SEARCH_LIBS([dlopen], [dl], 1931 AC_CHECK_DECL([RTLD_NOW], 1932 AC_DEFINE([ENABLE_PKCS11], [], [Enable for PKCS#11 support]), 1933 [], [#include <dlfcn.h>] 1934 ) 1935 ) 1936fi 1937 1938# IRIX has a const char return value for gai_strerror() 1939AC_CHECK_FUNCS([gai_strerror], [ 1940 AC_DEFINE([HAVE_GAI_STRERROR]) 1941 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 1942#include <sys/types.h> 1943#include <sys/socket.h> 1944#include <netdb.h> 1945 1946const char *gai_strerror(int); 1947 ]], [[ 1948 char *str; 1949 str = gai_strerror(0); 1950 ]])], [ 1951 AC_DEFINE([HAVE_CONST_GAI_STRERROR_PROTO], [1], 1952 [Define if gai_strerror() returns const char *])], [])]) 1953 1954AC_SEARCH_LIBS([nanosleep], [rt posix4], [AC_DEFINE([HAVE_NANOSLEEP], [1], 1955 [Some systems put nanosleep outside of libc])]) 1956 1957AC_SEARCH_LIBS([clock_gettime], [rt], 1958 [AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [Have clock_gettime])]) 1959 1960dnl Make sure prototypes are defined for these before using them. 1961AC_CHECK_DECL([strsep], 1962 [AC_CHECK_FUNCS([strsep])], 1963 [], 1964 [ 1965#ifdef HAVE_STRING_H 1966# include <string.h> 1967#endif 1968 ]) 1969 1970dnl tcsendbreak might be a macro 1971AC_CHECK_DECL([tcsendbreak], 1972 [AC_DEFINE([HAVE_TCSENDBREAK])], 1973 [AC_CHECK_FUNCS([tcsendbreak])], 1974 [#include <termios.h>] 1975) 1976 1977AC_CHECK_DECLS([h_errno], , ,[#include <netdb.h>]) 1978 1979AC_CHECK_DECLS([SHUT_RD], , , 1980 [ 1981#include <sys/types.h> 1982#include <sys/socket.h> 1983 ]) 1984 1985AC_CHECK_DECLS([O_NONBLOCK], , , 1986 [ 1987#include <sys/types.h> 1988#ifdef HAVE_SYS_STAT_H 1989# include <sys/stat.h> 1990#endif 1991#ifdef HAVE_FCNTL_H 1992# include <fcntl.h> 1993#endif 1994 ]) 1995 1996AC_CHECK_DECLS([readv, writev], , , [ 1997#include <sys/types.h> 1998#include <sys/uio.h> 1999#include <unistd.h> 2000 ]) 2001 2002AC_CHECK_DECLS([MAXSYMLINKS], , , [ 2003#include <sys/param.h> 2004 ]) 2005 2006AC_CHECK_DECLS([offsetof], , , [ 2007#include <stddef.h> 2008 ]) 2009 2010# extra bits for select(2) 2011AC_CHECK_DECLS([howmany, NFDBITS], [], [], [[ 2012#include <sys/param.h> 2013#include <sys/types.h> 2014#ifdef HAVE_SYS_SYSMACROS_H 2015#include <sys/sysmacros.h> 2016#endif 2017#ifdef HAVE_SYS_SELECT_H 2018#include <sys/select.h> 2019#endif 2020#ifdef HAVE_SYS_TIME_H 2021#include <sys/time.h> 2022#endif 2023#ifdef HAVE_UNISTD_H 2024#include <unistd.h> 2025#endif 2026 ]]) 2027AC_CHECK_TYPES([fd_mask], [], [], [[ 2028#include <sys/param.h> 2029#include <sys/types.h> 2030#ifdef HAVE_SYS_SELECT_H 2031#include <sys/select.h> 2032#endif 2033#ifdef HAVE_SYS_TIME_H 2034#include <sys/time.h> 2035#endif 2036#ifdef HAVE_UNISTD_H 2037#include <unistd.h> 2038#endif 2039 ]]) 2040 2041AC_CHECK_FUNCS([setresuid], [ 2042 dnl Some platorms have setresuid that isn't implemented, test for this 2043 AC_MSG_CHECKING([if setresuid seems to work]) 2044 AC_RUN_IFELSE( 2045 [AC_LANG_PROGRAM([[ 2046#include <stdlib.h> 2047#include <errno.h> 2048 ]], [[ 2049 errno=0; 2050 setresuid(0,0,0); 2051 if (errno==ENOSYS) 2052 exit(1); 2053 else 2054 exit(0); 2055 ]])], 2056 [AC_MSG_RESULT([yes])], 2057 [AC_DEFINE([BROKEN_SETRESUID], [1], 2058 [Define if your setresuid() is broken]) 2059 AC_MSG_RESULT([not implemented])], 2060 [AC_MSG_WARN([cross compiling: not checking setresuid])] 2061 ) 2062]) 2063 2064AC_CHECK_FUNCS([setresgid], [ 2065 dnl Some platorms have setresgid that isn't implemented, test for this 2066 AC_MSG_CHECKING([if setresgid seems to work]) 2067 AC_RUN_IFELSE( 2068 [AC_LANG_PROGRAM([[ 2069#include <stdlib.h> 2070#include <errno.h> 2071 ]], [[ 2072 errno=0; 2073 setresgid(0,0,0); 2074 if (errno==ENOSYS) 2075 exit(1); 2076 else 2077 exit(0); 2078 ]])], 2079 [AC_MSG_RESULT([yes])], 2080 [AC_DEFINE([BROKEN_SETRESGID], [1], 2081 [Define if your setresgid() is broken]) 2082 AC_MSG_RESULT([not implemented])], 2083 [AC_MSG_WARN([cross compiling: not checking setresuid])] 2084 ) 2085]) 2086 2087AC_CHECK_FUNCS([realpath], [ 2088 dnl the sftp v3 spec says SSH_FXP_REALPATH will "canonicalize any given 2089 dnl path name", however some implementations of realpath (and some 2090 dnl versions of the POSIX spec) do not work on non-existent files, 2091 dnl so we use the OpenBSD implementation on those platforms. 2092 AC_MSG_CHECKING([if realpath works with non-existent files]) 2093 AC_RUN_IFELSE( 2094 [AC_LANG_PROGRAM([[ 2095#include <limits.h> 2096#include <stdlib.h> 2097#include <errno.h> 2098 ]], [[ 2099 char buf[PATH_MAX]; 2100 if (realpath("/opensshnonexistentfilename1234", buf) == NULL) 2101 if (errno == ENOENT) 2102 exit(1); 2103 exit(0); 2104 ]])], 2105 [AC_MSG_RESULT([yes])], 2106 [AC_DEFINE([BROKEN_REALPATH], [1], 2107 [realpath does not work with nonexistent files]) 2108 AC_MSG_RESULT([no])], 2109 [AC_MSG_WARN([cross compiling: assuming working])] 2110 ) 2111]) 2112 2113AC_MSG_CHECKING([for working fflush(NULL)]) 2114AC_RUN_IFELSE( 2115 [AC_LANG_PROGRAM([[#include <stdio.h>]], [[fflush(NULL); exit(0);]])], 2116 AC_MSG_RESULT([yes]), 2117 [AC_MSG_RESULT([no]) 2118 AC_DEFINE([FFLUSH_NULL_BUG], [1], 2119 [define if fflush(NULL) does not work])], 2120 AC_MSG_WARN([cross compiling: assuming working]) 2121) 2122 2123dnl Checks for time functions 2124AC_CHECK_FUNCS([gettimeofday time]) 2125dnl Checks for utmp functions 2126AC_CHECK_FUNCS([endutent getutent getutid getutline pututline setutent]) 2127AC_CHECK_FUNCS([utmpname]) 2128dnl Checks for utmpx functions 2129AC_CHECK_FUNCS([endutxent getutxent getutxid getutxline getutxuser pututxline]) 2130AC_CHECK_FUNCS([setutxdb setutxent utmpxname]) 2131dnl Checks for lastlog functions 2132AC_CHECK_FUNCS([getlastlogxbyname]) 2133 2134AC_CHECK_FUNC([daemon], 2135 [AC_DEFINE([HAVE_DAEMON], [1], [Define if your libraries define daemon()])], 2136 [AC_CHECK_LIB([bsd], [daemon], 2137 [LIBS="$LIBS -lbsd"; AC_DEFINE([HAVE_DAEMON])])] 2138) 2139 2140AC_CHECK_FUNC([getpagesize], 2141 [AC_DEFINE([HAVE_GETPAGESIZE], [1], 2142 [Define if your libraries define getpagesize()])], 2143 [AC_CHECK_LIB([ucb], [getpagesize], 2144 [LIBS="$LIBS -lucb"; AC_DEFINE([HAVE_GETPAGESIZE])])] 2145) 2146 2147# Check for broken snprintf 2148if test "x$ac_cv_func_snprintf" = "xyes" ; then 2149 AC_MSG_CHECKING([whether snprintf correctly terminates long strings]) 2150 AC_RUN_IFELSE( 2151 [AC_LANG_PROGRAM([[ #include <stdio.h> ]], 2152 [[ 2153 char b[5]; 2154 snprintf(b,5,"123456789"); 2155 exit(b[4]!='\0'); 2156 ]])], 2157 [AC_MSG_RESULT([yes])], 2158 [ 2159 AC_MSG_RESULT([no]) 2160 AC_DEFINE([BROKEN_SNPRINTF], [1], 2161 [Define if your snprintf is busted]) 2162 AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor]) 2163 ], 2164 [ AC_MSG_WARN([cross compiling: Assuming working snprintf()]) ] 2165 ) 2166fi 2167 2168# We depend on vsnprintf returning the right thing on overflow: the 2169# number of characters it tried to create (as per SUSv3) 2170if test "x$ac_cv_func_vsnprintf" = "xyes" ; then 2171 AC_MSG_CHECKING([whether vsnprintf returns correct values on overflow]) 2172 AC_RUN_IFELSE( 2173 [AC_LANG_PROGRAM([[ 2174#include <sys/types.h> 2175#include <stdio.h> 2176#include <stdarg.h> 2177 2178int x_snprintf(char *str, size_t count, const char *fmt, ...) 2179{ 2180 size_t ret; 2181 va_list ap; 2182 2183 va_start(ap, fmt); 2184 ret = vsnprintf(str, count, fmt, ap); 2185 va_end(ap); 2186 return ret; 2187} 2188 ]], [[ 2189char x[1]; 2190if (x_snprintf(x, 1, "%s %d", "hello", 12345) != 11) 2191 return 1; 2192if (x_snprintf(NULL, 0, "%s %d", "hello", 12345) != 11) 2193 return 1; 2194return 0; 2195 ]])], 2196 [AC_MSG_RESULT([yes])], 2197 [ 2198 AC_MSG_RESULT([no]) 2199 AC_DEFINE([BROKEN_SNPRINTF], [1], 2200 [Define if your snprintf is busted]) 2201 AC_MSG_WARN([****** Your vsnprintf() function is broken, complain to your vendor]) 2202 ], 2203 [ AC_MSG_WARN([cross compiling: Assuming working vsnprintf()]) ] 2204 ) 2205fi 2206 2207# On systems where [v]snprintf is broken, but is declared in stdio, 2208# check that the fmt argument is const char * or just char *. 2209# This is only useful for when BROKEN_SNPRINTF 2210AC_MSG_CHECKING([whether snprintf can declare const char *fmt]) 2211AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 2212#include <stdio.h> 2213int snprintf(char *a, size_t b, const char *c, ...) { return 0; } 2214 ]], [[ 2215 snprintf(0, 0, 0); 2216 ]])], 2217 [AC_MSG_RESULT([yes]) 2218 AC_DEFINE([SNPRINTF_CONST], [const], 2219 [Define as const if snprintf() can declare const char *fmt])], 2220 [AC_MSG_RESULT([no]) 2221 AC_DEFINE([SNPRINTF_CONST], [/* not const */])]) 2222 2223# Check for missing getpeereid (or equiv) support 2224NO_PEERCHECK="" 2225if test "x$ac_cv_func_getpeereid" != "xyes" -a "x$ac_cv_func_getpeerucred" != "xyes"; then 2226 AC_MSG_CHECKING([whether system supports SO_PEERCRED getsockopt]) 2227 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 2228#include <sys/types.h> 2229#include <sys/socket.h>]], [[int i = SO_PEERCRED;]])], 2230 [ AC_MSG_RESULT([yes]) 2231 AC_DEFINE([HAVE_SO_PEERCRED], [1], [Have PEERCRED socket option]) 2232 ], [AC_MSG_RESULT([no]) 2233 NO_PEERCHECK=1 2234 ]) 2235fi 2236 2237dnl see whether mkstemp() requires XXXXXX 2238if test "x$ac_cv_func_mkdtemp" = "xyes" ; then 2239AC_MSG_CHECKING([for (overly) strict mkstemp]) 2240AC_RUN_IFELSE( 2241 [AC_LANG_PROGRAM([[ 2242#include <stdlib.h> 2243 ]], [[ 2244 char template[]="conftest.mkstemp-test"; 2245 if (mkstemp(template) == -1) 2246 exit(1); 2247 unlink(template); 2248 exit(0); 2249 ]])], 2250 [ 2251 AC_MSG_RESULT([no]) 2252 ], 2253 [ 2254 AC_MSG_RESULT([yes]) 2255 AC_DEFINE([HAVE_STRICT_MKSTEMP], [1], [Silly mkstemp()]) 2256 ], 2257 [ 2258 AC_MSG_RESULT([yes]) 2259 AC_DEFINE([HAVE_STRICT_MKSTEMP]) 2260 ] 2261) 2262fi 2263 2264dnl make sure that openpty does not reacquire controlling terminal 2265if test ! -z "$check_for_openpty_ctty_bug"; then 2266 AC_MSG_CHECKING([if openpty correctly handles controlling tty]) 2267 AC_RUN_IFELSE( 2268 [AC_LANG_PROGRAM([[ 2269#include <stdio.h> 2270#include <sys/fcntl.h> 2271#include <sys/types.h> 2272#include <sys/wait.h> 2273 ]], [[ 2274 pid_t pid; 2275 int fd, ptyfd, ttyfd, status; 2276 2277 pid = fork(); 2278 if (pid < 0) { /* failed */ 2279 exit(1); 2280 } else if (pid > 0) { /* parent */ 2281 waitpid(pid, &status, 0); 2282 if (WIFEXITED(status)) 2283 exit(WEXITSTATUS(status)); 2284 else 2285 exit(2); 2286 } else { /* child */ 2287 close(0); close(1); close(2); 2288 setsid(); 2289 openpty(&ptyfd, &ttyfd, NULL, NULL, NULL); 2290 fd = open("/dev/tty", O_RDWR | O_NOCTTY); 2291 if (fd >= 0) 2292 exit(3); /* Acquired ctty: broken */ 2293 else 2294 exit(0); /* Did not acquire ctty: OK */ 2295 } 2296 ]])], 2297 [ 2298 AC_MSG_RESULT([yes]) 2299 ], 2300 [ 2301 AC_MSG_RESULT([no]) 2302 AC_DEFINE([SSHD_ACQUIRES_CTTY]) 2303 ], 2304 [ 2305 AC_MSG_RESULT([cross-compiling, assuming yes]) 2306 ] 2307 ) 2308fi 2309 2310if test "x$ac_cv_func_getaddrinfo" = "xyes" && \ 2311 test "x$check_for_hpux_broken_getaddrinfo" = "x1"; then 2312 AC_MSG_CHECKING([if getaddrinfo seems to work]) 2313 AC_RUN_IFELSE( 2314 [AC_LANG_PROGRAM([[ 2315#include <stdio.h> 2316#include <sys/socket.h> 2317#include <netdb.h> 2318#include <errno.h> 2319#include <netinet/in.h> 2320 2321#define TEST_PORT "2222" 2322 ]], [[ 2323 int err, sock; 2324 struct addrinfo *gai_ai, *ai, hints; 2325 char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL; 2326 2327 memset(&hints, 0, sizeof(hints)); 2328 hints.ai_family = PF_UNSPEC; 2329 hints.ai_socktype = SOCK_STREAM; 2330 hints.ai_flags = AI_PASSIVE; 2331 2332 err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai); 2333 if (err != 0) { 2334 fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err)); 2335 exit(1); 2336 } 2337 2338 for (ai = gai_ai; ai != NULL; ai = ai->ai_next) { 2339 if (ai->ai_family != AF_INET6) 2340 continue; 2341 2342 err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop, 2343 sizeof(ntop), strport, sizeof(strport), 2344 NI_NUMERICHOST|NI_NUMERICSERV); 2345 2346 if (err != 0) { 2347 if (err == EAI_SYSTEM) 2348 perror("getnameinfo EAI_SYSTEM"); 2349 else 2350 fprintf(stderr, "getnameinfo failed: %s\n", 2351 gai_strerror(err)); 2352 exit(2); 2353 } 2354 2355 sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol); 2356 if (sock < 0) 2357 perror("socket"); 2358 if (bind(sock, ai->ai_addr, ai->ai_addrlen) < 0) { 2359 if (errno == EBADF) 2360 exit(3); 2361 } 2362 } 2363 exit(0); 2364 ]])], 2365 [ 2366 AC_MSG_RESULT([yes]) 2367 ], 2368 [ 2369 AC_MSG_RESULT([no]) 2370 AC_DEFINE([BROKEN_GETADDRINFO]) 2371 ], 2372 [ 2373 AC_MSG_RESULT([cross-compiling, assuming yes]) 2374 ] 2375 ) 2376fi 2377 2378if test "x$ac_cv_func_getaddrinfo" = "xyes" && \ 2379 test "x$check_for_aix_broken_getaddrinfo" = "x1"; then 2380 AC_MSG_CHECKING([if getaddrinfo seems to work]) 2381 AC_RUN_IFELSE( 2382 [AC_LANG_PROGRAM([[ 2383#include <stdio.h> 2384#include <sys/socket.h> 2385#include <netdb.h> 2386#include <errno.h> 2387#include <netinet/in.h> 2388 2389#define TEST_PORT "2222" 2390 ]], [[ 2391 int err, sock; 2392 struct addrinfo *gai_ai, *ai, hints; 2393 char ntop[NI_MAXHOST], strport[NI_MAXSERV], *name = NULL; 2394 2395 memset(&hints, 0, sizeof(hints)); 2396 hints.ai_family = PF_UNSPEC; 2397 hints.ai_socktype = SOCK_STREAM; 2398 hints.ai_flags = AI_PASSIVE; 2399 2400 err = getaddrinfo(name, TEST_PORT, &hints, &gai_ai); 2401 if (err != 0) { 2402 fprintf(stderr, "getaddrinfo failed (%s)", gai_strerror(err)); 2403 exit(1); 2404 } 2405 2406 for (ai = gai_ai; ai != NULL; ai = ai->ai_next) { 2407 if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6) 2408 continue; 2409 2410 err = getnameinfo(ai->ai_addr, ai->ai_addrlen, ntop, 2411 sizeof(ntop), strport, sizeof(strport), 2412 NI_NUMERICHOST|NI_NUMERICSERV); 2413 2414 if (ai->ai_family == AF_INET && err != 0) { 2415 perror("getnameinfo"); 2416 exit(2); 2417 } 2418 } 2419 exit(0); 2420 ]])], 2421 [ 2422 AC_MSG_RESULT([yes]) 2423 AC_DEFINE([AIX_GETNAMEINFO_HACK], [1], 2424 [Define if you have a getaddrinfo that fails 2425 for the all-zeros IPv6 address]) 2426 ], 2427 [ 2428 AC_MSG_RESULT([no]) 2429 AC_DEFINE([BROKEN_GETADDRINFO]) 2430 ], 2431 [ 2432 AC_MSG_RESULT([cross-compiling, assuming no]) 2433 ] 2434 ) 2435fi 2436 2437if test "x$ac_cv_func_getaddrinfo" = "xyes"; then 2438 AC_CHECK_DECLS(AI_NUMERICSERV, , , 2439 [#include <sys/types.h> 2440 #include <sys/socket.h> 2441 #include <netdb.h>]) 2442fi 2443 2444if test "x$check_for_conflicting_getspnam" = "x1"; then 2445 AC_MSG_CHECKING([for conflicting getspnam in shadow.h]) 2446 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <shadow.h> ]], 2447 [[ exit(0); ]])], 2448 [ 2449 AC_MSG_RESULT([no]) 2450 ], 2451 [ 2452 AC_MSG_RESULT([yes]) 2453 AC_DEFINE([GETSPNAM_CONFLICTING_DEFS], [1], 2454 [Conflicting defs for getspnam]) 2455 ] 2456 ) 2457fi 2458 2459dnl NetBSD added an strnvis and unfortunately made it incompatible with the 2460dnl existing one in OpenBSD and Linux's libbsd (the former having existed 2461dnl for over ten years). Despite this incompatibility being reported during 2462dnl development (see http://gnats.netbsd.org/44977) they still shipped it. 2463dnl Even more unfortunately FreeBSD and later MacOS picked up this incompatible 2464dnl implementation. Try to detect this mess, and assume the only safe option 2465dnl if we're cross compiling. 2466dnl 2467dnl OpenBSD, 2001: strnvis(char *dst, const char *src, size_t dlen, int flag); 2468dnl NetBSD: 2012, strnvis(char *dst, size_t dlen, const char *src, int flag); 2469if test "x$ac_cv_func_strnvis" = "xyes"; then 2470 AC_MSG_CHECKING([for working strnvis]) 2471 AC_RUN_IFELSE( 2472 [AC_LANG_PROGRAM([[ 2473#include <signal.h> 2474#include <stdlib.h> 2475#include <string.h> 2476#include <vis.h> 2477static void sighandler(int sig) { _exit(1); } 2478 ]], [[ 2479 char dst[16]; 2480 2481 signal(SIGSEGV, sighandler); 2482 if (strnvis(dst, "src", 4, 0) && strcmp(dst, "src") == 0) 2483 exit(0); 2484 exit(1) 2485 ]])], 2486 [AC_MSG_RESULT([yes])], 2487 [AC_MSG_RESULT([no]) 2488 AC_DEFINE([BROKEN_STRNVIS], [1], [strnvis detected broken])], 2489 [AC_MSG_WARN([cross compiling: assuming broken]) 2490 AC_DEFINE([BROKEN_STRNVIS], [1], [strnvis assumed broken])] 2491 ) 2492fi 2493 2494AC_CHECK_FUNCS([getpgrp],[ 2495 AC_MSG_CHECKING([if getpgrp accepts zero args]) 2496 AC_COMPILE_IFELSE( 2497 [AC_LANG_PROGRAM([[$ac_includes_default]], [[ getpgrp(); ]])], 2498 [ AC_MSG_RESULT([yes]) 2499 AC_DEFINE([GETPGRP_VOID], [1], [getpgrp takes zero args])], 2500 [ AC_MSG_RESULT([no]) 2501 AC_DEFINE([GETPGRP_VOID], [0], [getpgrp takes one arg])] 2502 ) 2503]) 2504 2505# Search for OpenSSL 2506saved_CPPFLAGS="$CPPFLAGS" 2507saved_LDFLAGS="$LDFLAGS" 2508AC_ARG_WITH([ssl-dir], 2509 [ --with-ssl-dir=PATH Specify path to OpenSSL installation ], 2510 [ 2511 if test "x$openssl" = "xno" ; then 2512 AC_MSG_ERROR([cannot use --with-ssl-dir when OpenSSL disabled]) 2513 fi 2514 if test "x$withval" != "xno" ; then 2515 case "$withval" in 2516 # Relative paths 2517 ./*|../*) withval="`pwd`/$withval" 2518 esac 2519 if test -d "$withval/lib"; then 2520 if test -n "${need_dash_r}"; then 2521 LDFLAGS="-L${withval}/lib -R${withval}/lib ${LDFLAGS}" 2522 else 2523 LDFLAGS="-L${withval}/lib ${LDFLAGS}" 2524 fi 2525 elif test -d "$withval/lib64"; then 2526 if test -n "${need_dash_r}"; then 2527 LDFLAGS="-L${withval}/lib64 -R${withval}/lib64 ${LDFLAGS}" 2528 else 2529 LDFLAGS="-L${withval}/lib64 ${LDFLAGS}" 2530 fi 2531 else 2532 if test -n "${need_dash_r}"; then 2533 LDFLAGS="-L${withval} -R${withval} ${LDFLAGS}" 2534 else 2535 LDFLAGS="-L${withval} ${LDFLAGS}" 2536 fi 2537 fi 2538 if test -d "$withval/include"; then 2539 CPPFLAGS="-I${withval}/include ${CPPFLAGS}" 2540 else 2541 CPPFLAGS="-I${withval} ${CPPFLAGS}" 2542 fi 2543 fi 2544 ] 2545) 2546 2547AC_ARG_WITH([openssl-header-check], 2548 [ --without-openssl-header-check Disable OpenSSL version consistency check], 2549 [ 2550 if test "x$withval" = "xno" ; then 2551 openssl_check_nonfatal=1 2552 fi 2553 ] 2554) 2555 2556openssl_engine=no 2557AC_ARG_WITH([ssl-engine], 2558 [ --with-ssl-engine Enable OpenSSL (hardware) ENGINE support ], 2559 [ 2560 if test "x$withval" != "xno" ; then 2561 if test "x$openssl" = "xno" ; then 2562 AC_MSG_ERROR([cannot use --with-ssl-engine when OpenSSL disabled]) 2563 fi 2564 openssl_engine=yes 2565 fi 2566 ] 2567) 2568 2569if test "x$openssl" = "xyes" ; then 2570 LIBS="-lcrypto $LIBS" 2571 AC_TRY_LINK_FUNC([RAND_add], [AC_DEFINE([HAVE_OPENSSL], [1], 2572 [Define if your ssl headers are included 2573 with #include <openssl/header.h>])], 2574 [ 2575 dnl Check default openssl install dir 2576 if test -n "${need_dash_r}"; then 2577 LDFLAGS="-L/usr/local/ssl/lib -R/usr/local/ssl/lib ${saved_LDFLAGS}" 2578 else 2579 LDFLAGS="-L/usr/local/ssl/lib ${saved_LDFLAGS}" 2580 fi 2581 CPPFLAGS="-I/usr/local/ssl/include ${saved_CPPFLAGS}" 2582 AC_CHECK_HEADER([openssl/opensslv.h], , 2583 [AC_MSG_ERROR([*** OpenSSL headers missing - please install first or check config.log ***])]) 2584 AC_TRY_LINK_FUNC([RAND_add], [AC_DEFINE([HAVE_OPENSSL])], 2585 [ 2586 AC_MSG_ERROR([*** Can't find recent OpenSSL libcrypto (see config.log for details) ***]) 2587 ] 2588 ) 2589 ] 2590 ) 2591 2592 # Determine OpenSSL header version 2593 AC_MSG_CHECKING([OpenSSL header version]) 2594 AC_RUN_IFELSE( 2595 [AC_LANG_PROGRAM([[ 2596 #include <stdlib.h> 2597 #include <stdio.h> 2598 #include <string.h> 2599 #include <openssl/opensslv.h> 2600 #define DATA "conftest.sslincver" 2601 ]], [[ 2602 FILE *fd; 2603 int rc; 2604 2605 fd = fopen(DATA,"w"); 2606 if(fd == NULL) 2607 exit(1); 2608 2609 if ((rc = fprintf(fd, "%08lx (%s)\n", 2610 (unsigned long)OPENSSL_VERSION_NUMBER, 2611 OPENSSL_VERSION_TEXT)) < 0) 2612 exit(1); 2613 2614 exit(0); 2615 ]])], 2616 [ 2617 ssl_header_ver=`cat conftest.sslincver` 2618 AC_MSG_RESULT([$ssl_header_ver]) 2619 ], 2620 [ 2621 AC_MSG_RESULT([not found]) 2622 AC_MSG_ERROR([OpenSSL version header not found.]) 2623 ], 2624 [ 2625 AC_MSG_WARN([cross compiling: not checking]) 2626 ] 2627 ) 2628 2629 # Determine OpenSSL library version 2630 AC_MSG_CHECKING([OpenSSL library version]) 2631 AC_RUN_IFELSE( 2632 [AC_LANG_PROGRAM([[ 2633 #include <stdio.h> 2634 #include <string.h> 2635 #include <openssl/opensslv.h> 2636 #include <openssl/crypto.h> 2637 #define DATA "conftest.ssllibver" 2638 ]], [[ 2639 FILE *fd; 2640 int rc; 2641 2642 fd = fopen(DATA,"w"); 2643 if(fd == NULL) 2644 exit(1); 2645 2646 if ((rc = fprintf(fd, "%08lx (%s)\n", (unsigned long)SSLeay(), 2647 SSLeay_version(SSLEAY_VERSION))) < 0) 2648 exit(1); 2649 2650 exit(0); 2651 ]])], 2652 [ 2653 ssl_library_ver=`cat conftest.ssllibver` 2654 # Check version is supported. 2655 case "$ssl_library_ver" in 2656 10000*|0*) 2657 AC_MSG_ERROR([OpenSSL >= 1.0.1 required (have "$ssl_library_ver")]) 2658 ;; 2659 100*) ;; # 1.0.x 2660 200*) ;; # LibreSSL 2661 *) 2662 AC_MSG_ERROR([OpenSSL >= 1.1.0 is not yet supported (have "$ssl_library_ver")]) 2663 ;; 2664 esac 2665 AC_MSG_RESULT([$ssl_library_ver]) 2666 ], 2667 [ 2668 AC_MSG_RESULT([not found]) 2669 AC_MSG_ERROR([OpenSSL library not found.]) 2670 ], 2671 [ 2672 AC_MSG_WARN([cross compiling: not checking]) 2673 ] 2674 ) 2675 2676 # Sanity check OpenSSL headers 2677 AC_MSG_CHECKING([whether OpenSSL's headers match the library]) 2678 AC_RUN_IFELSE( 2679 [AC_LANG_PROGRAM([[ 2680 #include <string.h> 2681 #include <openssl/opensslv.h> 2682 #include <openssl/crypto.h> 2683 ]], [[ 2684 exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); 2685 ]])], 2686 [ 2687 AC_MSG_RESULT([yes]) 2688 ], 2689 [ 2690 AC_MSG_RESULT([no]) 2691 if test "x$openssl_check_nonfatal" = "x"; then 2692 AC_MSG_ERROR([Your OpenSSL headers do not match your 2693 library. Check config.log for details. 2694 If you are sure your installation is consistent, you can disable the check 2695 by running "./configure --without-openssl-header-check". 2696 Also see contrib/findssl.sh for help identifying header/library mismatches. 2697 ]) 2698 else 2699 AC_MSG_WARN([Your OpenSSL headers do not match your 2700 library. Check config.log for details. 2701 Also see contrib/findssl.sh for help identifying header/library mismatches.]) 2702 fi 2703 ], 2704 [ 2705 AC_MSG_WARN([cross compiling: not checking]) 2706 ] 2707 ) 2708 2709 AC_MSG_CHECKING([if programs using OpenSSL functions will link]) 2710 AC_LINK_IFELSE( 2711 [AC_LANG_PROGRAM([[ #include <openssl/evp.h> ]], 2712 [[ SSLeay_add_all_algorithms(); ]])], 2713 [ 2714 AC_MSG_RESULT([yes]) 2715 ], 2716 [ 2717 AC_MSG_RESULT([no]) 2718 saved_LIBS="$LIBS" 2719 LIBS="$LIBS -ldl" 2720 AC_MSG_CHECKING([if programs using OpenSSL need -ldl]) 2721 AC_LINK_IFELSE( 2722 [AC_LANG_PROGRAM([[ #include <openssl/evp.h> ]], 2723 [[ SSLeay_add_all_algorithms(); ]])], 2724 [ 2725 AC_MSG_RESULT([yes]) 2726 ], 2727 [ 2728 AC_MSG_RESULT([no]) 2729 LIBS="$saved_LIBS" 2730 ] 2731 ) 2732 ] 2733 ) 2734 2735 AC_CHECK_FUNCS([ \ 2736 BN_is_prime_ex \ 2737 DSA_generate_parameters_ex \ 2738 EVP_DigestInit_ex \ 2739 EVP_DigestFinal_ex \ 2740 EVP_MD_CTX_init \ 2741 EVP_MD_CTX_cleanup \ 2742 EVP_MD_CTX_copy_ex \ 2743 HMAC_CTX_init \ 2744 RSA_generate_key_ex \ 2745 RSA_get_default_method \ 2746 ]) 2747 2748 if test "x$openssl_engine" = "xyes" ; then 2749 AC_MSG_CHECKING([for OpenSSL ENGINE support]) 2750 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 2751 #include <openssl/engine.h> 2752 ]], [[ 2753 ENGINE_load_builtin_engines(); 2754 ENGINE_register_all_complete(); 2755 ]])], 2756 [ AC_MSG_RESULT([yes]) 2757 AC_DEFINE([USE_OPENSSL_ENGINE], [1], 2758 [Enable OpenSSL engine support]) 2759 ], [ AC_MSG_ERROR([OpenSSL ENGINE support not found]) 2760 ]) 2761 fi 2762 2763 # Check for OpenSSL without EVP_aes_{192,256}_cbc 2764 AC_MSG_CHECKING([whether OpenSSL has crippled AES support]) 2765 AC_LINK_IFELSE( 2766 [AC_LANG_PROGRAM([[ 2767 #include <string.h> 2768 #include <openssl/evp.h> 2769 ]], [[ 2770 exit(EVP_aes_192_cbc() == NULL || EVP_aes_256_cbc() == NULL); 2771 ]])], 2772 [ 2773 AC_MSG_RESULT([no]) 2774 ], 2775 [ 2776 AC_MSG_RESULT([yes]) 2777 AC_DEFINE([OPENSSL_LOBOTOMISED_AES], [1], 2778 [libcrypto is missing AES 192 and 256 bit functions]) 2779 ] 2780 ) 2781 2782 # Check for OpenSSL with EVP_aes_*ctr 2783 AC_MSG_CHECKING([whether OpenSSL has AES CTR via EVP]) 2784 AC_LINK_IFELSE( 2785 [AC_LANG_PROGRAM([[ 2786 #include <string.h> 2787 #include <openssl/evp.h> 2788 ]], [[ 2789 exit(EVP_aes_128_ctr() == NULL || 2790 EVP_aes_192_cbc() == NULL || 2791 EVP_aes_256_cbc() == NULL); 2792 ]])], 2793 [ 2794 AC_MSG_RESULT([yes]) 2795 AC_DEFINE([OPENSSL_HAVE_EVPCTR], [1], 2796 [libcrypto has EVP AES CTR]) 2797 ], 2798 [ 2799 AC_MSG_RESULT([no]) 2800 ] 2801 ) 2802 2803 # Check for OpenSSL with EVP_aes_*gcm 2804 AC_MSG_CHECKING([whether OpenSSL has AES GCM via EVP]) 2805 AC_LINK_IFELSE( 2806 [AC_LANG_PROGRAM([[ 2807 #include <string.h> 2808 #include <openssl/evp.h> 2809 ]], [[ 2810 exit(EVP_aes_128_gcm() == NULL || 2811 EVP_aes_256_gcm() == NULL || 2812 EVP_CTRL_GCM_SET_IV_FIXED == 0 || 2813 EVP_CTRL_GCM_IV_GEN == 0 || 2814 EVP_CTRL_GCM_SET_TAG == 0 || 2815 EVP_CTRL_GCM_GET_TAG == 0 || 2816 EVP_CIPHER_CTX_ctrl(NULL, 0, 0, NULL) == 0); 2817 ]])], 2818 [ 2819 AC_MSG_RESULT([yes]) 2820 AC_DEFINE([OPENSSL_HAVE_EVPGCM], [1], 2821 [libcrypto has EVP AES GCM]) 2822 ], 2823 [ 2824 AC_MSG_RESULT([no]) 2825 unsupported_algorithms="$unsupported_cipers \ 2826 aes128-gcm@openssh.com \ 2827 aes256-gcm@openssh.com" 2828 ] 2829 ) 2830 2831 AC_SEARCH_LIBS([EVP_CIPHER_CTX_ctrl], [crypto], 2832 [AC_DEFINE([HAVE_EVP_CIPHER_CTX_CTRL], [1], 2833 [Define if libcrypto has EVP_CIPHER_CTX_ctrl])]) 2834 2835 AC_MSG_CHECKING([if EVP_DigestUpdate returns an int]) 2836 AC_LINK_IFELSE( 2837 [AC_LANG_PROGRAM([[ 2838 #include <string.h> 2839 #include <openssl/evp.h> 2840 ]], [[ 2841 if(EVP_DigestUpdate(NULL, NULL,0)) 2842 exit(0); 2843 ]])], 2844 [ 2845 AC_MSG_RESULT([yes]) 2846 ], 2847 [ 2848 AC_MSG_RESULT([no]) 2849 AC_DEFINE([OPENSSL_EVP_DIGESTUPDATE_VOID], [1], 2850 [Define if EVP_DigestUpdate returns void]) 2851 ] 2852 ) 2853 2854 # Some systems want crypt() from libcrypt, *not* the version in OpenSSL, 2855 # because the system crypt() is more featureful. 2856 if test "x$check_for_libcrypt_before" = "x1"; then 2857 AC_CHECK_LIB([crypt], [crypt]) 2858 fi 2859 2860 # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the 2861 # version in OpenSSL. 2862 if test "x$check_for_libcrypt_later" = "x1"; then 2863 AC_CHECK_LIB([crypt], [crypt], [LIBS="$LIBS -lcrypt"]) 2864 fi 2865 AC_CHECK_FUNCS([crypt DES_crypt]) 2866 2867 # Search for SHA256 support in libc and/or OpenSSL 2868 AC_CHECK_FUNCS([SHA256_Update EVP_sha256], , 2869 [unsupported_algorithms="$unsupported_algorithms \ 2870 hmac-sha2-256 \ 2871 hmac-sha2-512 \ 2872 diffie-hellman-group-exchange-sha256 \ 2873 hmac-sha2-256-etm@openssh.com \ 2874 hmac-sha2-512-etm@openssh.com" 2875 ] 2876 ) 2877 # Search for RIPE-MD support in OpenSSL 2878 AC_CHECK_FUNCS([EVP_ripemd160], , 2879 [unsupported_algorithms="$unsupported_algorithms \ 2880 hmac-ripemd160 \ 2881 hmac-ripemd160@openssh.com \ 2882 hmac-ripemd160-etm@openssh.com" 2883 ] 2884 ) 2885 2886 # Check complete ECC support in OpenSSL 2887 AC_MSG_CHECKING([whether OpenSSL has NID_X9_62_prime256v1]) 2888 AC_LINK_IFELSE( 2889 [AC_LANG_PROGRAM([[ 2890 #include <openssl/ec.h> 2891 #include <openssl/ecdh.h> 2892 #include <openssl/ecdsa.h> 2893 #include <openssl/evp.h> 2894 #include <openssl/objects.h> 2895 #include <openssl/opensslv.h> 2896 ]], [[ 2897 EC_KEY *e = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1); 2898 const EVP_MD *m = EVP_sha256(); /* We need this too */ 2899 ]])], 2900 [ AC_MSG_RESULT([yes]) 2901 enable_nistp256=1 ], 2902 [ AC_MSG_RESULT([no]) ] 2903 ) 2904 2905 AC_MSG_CHECKING([whether OpenSSL has NID_secp384r1]) 2906 AC_LINK_IFELSE( 2907 [AC_LANG_PROGRAM([[ 2908 #include <openssl/ec.h> 2909 #include <openssl/ecdh.h> 2910 #include <openssl/ecdsa.h> 2911 #include <openssl/evp.h> 2912 #include <openssl/objects.h> 2913 #include <openssl/opensslv.h> 2914 ]], [[ 2915 EC_KEY *e = EC_KEY_new_by_curve_name(NID_secp384r1); 2916 const EVP_MD *m = EVP_sha384(); /* We need this too */ 2917 ]])], 2918 [ AC_MSG_RESULT([yes]) 2919 enable_nistp384=1 ], 2920 [ AC_MSG_RESULT([no]) ] 2921 ) 2922 2923 AC_MSG_CHECKING([whether OpenSSL has NID_secp521r1]) 2924 AC_LINK_IFELSE( 2925 [AC_LANG_PROGRAM([[ 2926 #include <openssl/ec.h> 2927 #include <openssl/ecdh.h> 2928 #include <openssl/ecdsa.h> 2929 #include <openssl/evp.h> 2930 #include <openssl/objects.h> 2931 #include <openssl/opensslv.h> 2932 ]], [[ 2933 EC_KEY *e = EC_KEY_new_by_curve_name(NID_secp521r1); 2934 const EVP_MD *m = EVP_sha512(); /* We need this too */ 2935 ]])], 2936 [ AC_MSG_RESULT([yes]) 2937 AC_MSG_CHECKING([if OpenSSL's NID_secp521r1 is functional]) 2938 AC_RUN_IFELSE( 2939 [AC_LANG_PROGRAM([[ 2940 #include <openssl/ec.h> 2941 #include <openssl/ecdh.h> 2942 #include <openssl/ecdsa.h> 2943 #include <openssl/evp.h> 2944 #include <openssl/objects.h> 2945 #include <openssl/opensslv.h> 2946 ]],[[ 2947 EC_KEY *e = EC_KEY_new_by_curve_name(NID_secp521r1); 2948 const EVP_MD *m = EVP_sha512(); /* We need this too */ 2949 exit(e == NULL || m == NULL); 2950 ]])], 2951 [ AC_MSG_RESULT([yes]) 2952 enable_nistp521=1 ], 2953 [ AC_MSG_RESULT([no]) ], 2954 [ AC_MSG_WARN([cross-compiling: assuming yes]) 2955 enable_nistp521=1 ] 2956 )], 2957 AC_MSG_RESULT([no]) 2958 ) 2959 2960 COMMENT_OUT_ECC="#no ecc#" 2961 TEST_SSH_ECC=no 2962 2963 if test x$enable_nistp256 = x1 || test x$enable_nistp384 = x1 || \ 2964 test x$enable_nistp521 = x1; then 2965 AC_DEFINE(OPENSSL_HAS_ECC, [1], [OpenSSL has ECC]) 2966 fi 2967 if test x$enable_nistp256 = x1; then 2968 AC_DEFINE([OPENSSL_HAS_NISTP256], [1], 2969 [libcrypto has NID_X9_62_prime256v1]) 2970 TEST_SSH_ECC=yes 2971 COMMENT_OUT_ECC="" 2972 else 2973 unsupported_algorithms="$unsupported_algorithms \ 2974 ecdsa-sha2-nistp256 \ 2975 ecdh-sha2-nistp256 \ 2976 ecdsa-sha2-nistp256-cert-v01@openssh.com" 2977 fi 2978 if test x$enable_nistp384 = x1; then 2979 AC_DEFINE([OPENSSL_HAS_NISTP384], [1], [libcrypto has NID_secp384r1]) 2980 TEST_SSH_ECC=yes 2981 COMMENT_OUT_ECC="" 2982 else 2983 unsupported_algorithms="$unsupported_algorithms \ 2984 ecdsa-sha2-nistp384 \ 2985 ecdh-sha2-nistp384 \ 2986 ecdsa-sha2-nistp384-cert-v01@openssh.com" 2987 fi 2988 if test x$enable_nistp521 = x1; then 2989 AC_DEFINE([OPENSSL_HAS_NISTP521], [1], [libcrypto has NID_secp521r1]) 2990 TEST_SSH_ECC=yes 2991 COMMENT_OUT_ECC="" 2992 else 2993 unsupported_algorithms="$unsupported_algorithms \ 2994 ecdh-sha2-nistp521 \ 2995 ecdsa-sha2-nistp521 \ 2996 ecdsa-sha2-nistp521-cert-v01@openssh.com" 2997 fi 2998 2999 AC_SUBST([TEST_SSH_ECC]) 3000 AC_SUBST([COMMENT_OUT_ECC]) 3001else 3002 AC_CHECK_LIB([crypt], [crypt], [LIBS="$LIBS -lcrypt"]) 3003 AC_CHECK_FUNCS([crypt]) 3004fi 3005 3006AC_CHECK_FUNCS([ \ 3007 arc4random \ 3008 arc4random_buf \ 3009 arc4random_stir \ 3010 arc4random_uniform \ 3011]) 3012 3013saved_LIBS="$LIBS" 3014AC_CHECK_LIB([iaf], [ia_openinfo], [ 3015 LIBS="$LIBS -liaf" 3016 AC_CHECK_FUNCS([set_id], [SSHDLIBS="$SSHDLIBS -liaf" 3017 AC_DEFINE([HAVE_LIBIAF], [1], 3018 [Define if system has libiaf that supports set_id]) 3019 ]) 3020]) 3021LIBS="$saved_LIBS" 3022 3023### Configure cryptographic random number support 3024 3025# Check whether OpenSSL seeds itself 3026if test "x$openssl" = "xyes" ; then 3027 AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded]) 3028 AC_RUN_IFELSE( 3029 [AC_LANG_PROGRAM([[ 3030 #include <string.h> 3031 #include <openssl/rand.h> 3032 ]], [[ 3033 exit(RAND_status() == 1 ? 0 : 1); 3034 ]])], 3035 [ 3036 OPENSSL_SEEDS_ITSELF=yes 3037 AC_MSG_RESULT([yes]) 3038 ], 3039 [ 3040 AC_MSG_RESULT([no]) 3041 ], 3042 [ 3043 AC_MSG_WARN([cross compiling: assuming yes]) 3044 # This is safe, since we will fatal() at runtime if 3045 # OpenSSL is not seeded correctly. 3046 OPENSSL_SEEDS_ITSELF=yes 3047 ] 3048 ) 3049fi 3050 3051# PRNGD TCP socket 3052AC_ARG_WITH([prngd-port], 3053 [ --with-prngd-port=PORT read entropy from PRNGD/EGD TCP localhost:PORT], 3054 [ 3055 case "$withval" in 3056 no) 3057 withval="" 3058 ;; 3059 [[0-9]]*) 3060 ;; 3061 *) 3062 AC_MSG_ERROR([You must specify a numeric port number for --with-prngd-port]) 3063 ;; 3064 esac 3065 if test ! -z "$withval" ; then 3066 PRNGD_PORT="$withval" 3067 AC_DEFINE_UNQUOTED([PRNGD_PORT], [$PRNGD_PORT], 3068 [Port number of PRNGD/EGD random number socket]) 3069 fi 3070 ] 3071) 3072 3073# PRNGD Unix domain socket 3074AC_ARG_WITH([prngd-socket], 3075 [ --with-prngd-socket=FILE read entropy from PRNGD/EGD socket FILE (default=/var/run/egd-pool)], 3076 [ 3077 case "$withval" in 3078 yes) 3079 withval="/var/run/egd-pool" 3080 ;; 3081 no) 3082 withval="" 3083 ;; 3084 /*) 3085 ;; 3086 *) 3087 AC_MSG_ERROR([You must specify an absolute path to the entropy socket]) 3088 ;; 3089 esac 3090 3091 if test ! -z "$withval" ; then 3092 if test ! -z "$PRNGD_PORT" ; then 3093 AC_MSG_ERROR([You may not specify both a PRNGD/EGD port and socket]) 3094 fi 3095 if test ! -r "$withval" ; then 3096 AC_MSG_WARN([Entropy socket is not readable]) 3097 fi 3098 PRNGD_SOCKET="$withval" 3099 AC_DEFINE_UNQUOTED([PRNGD_SOCKET], ["$PRNGD_SOCKET"], 3100 [Location of PRNGD/EGD random number socket]) 3101 fi 3102 ], 3103 [ 3104 # Check for existing socket only if we don't have a random device already 3105 if test "x$OPENSSL_SEEDS_ITSELF" != "xyes" ; then 3106 AC_MSG_CHECKING([for PRNGD/EGD socket]) 3107 # Insert other locations here 3108 for sock in /var/run/egd-pool /dev/egd-pool /etc/entropy; do 3109 if test -r $sock && $TEST_MINUS_S_SH -c "test -S $sock -o -p $sock" ; then 3110 PRNGD_SOCKET="$sock" 3111 AC_DEFINE_UNQUOTED([PRNGD_SOCKET], ["$PRNGD_SOCKET"]) 3112 break; 3113 fi 3114 done 3115 if test ! -z "$PRNGD_SOCKET" ; then 3116 AC_MSG_RESULT([$PRNGD_SOCKET]) 3117 else 3118 AC_MSG_RESULT([not found]) 3119 fi 3120 fi 3121 ] 3122) 3123 3124# Which randomness source do we use? 3125if test ! -z "$PRNGD_PORT" ; then 3126 RAND_MSG="PRNGd port $PRNGD_PORT" 3127elif test ! -z "$PRNGD_SOCKET" ; then 3128 RAND_MSG="PRNGd socket $PRNGD_SOCKET" 3129elif test ! -z "$OPENSSL_SEEDS_ITSELF" ; then 3130 AC_DEFINE([OPENSSL_PRNG_ONLY], [1], 3131 [Define if you want the OpenSSL internally seeded PRNG only]) 3132 RAND_MSG="OpenSSL internal ONLY" 3133elif test "x$openssl" = "xno" ; then 3134 AC_MSG_WARN([OpenSSH will use /dev/urandom as a source of random numbers. It will fail if this device is not supported or accessible]) 3135else 3136 AC_MSG_ERROR([OpenSSH has no source of random numbers. Please configure OpenSSL with an entropy source or re-run configure using one of the --with-prngd-port or --with-prngd-socket options]) 3137fi 3138 3139# Check for PAM libs 3140PAM_MSG="no" 3141AC_ARG_WITH([pam], 3142 [ --with-pam Enable PAM support ], 3143 [ 3144 if test "x$withval" != "xno" ; then 3145 if test "x$ac_cv_header_security_pam_appl_h" != "xyes" && \ 3146 test "x$ac_cv_header_pam_pam_appl_h" != "xyes" ; then 3147 AC_MSG_ERROR([PAM headers not found]) 3148 fi 3149 3150 saved_LIBS="$LIBS" 3151 AC_CHECK_LIB([dl], [dlopen], , ) 3152 AC_CHECK_LIB([pam], [pam_set_item], , [AC_MSG_ERROR([*** libpam missing])]) 3153 AC_CHECK_FUNCS([pam_getenvlist]) 3154 AC_CHECK_FUNCS([pam_putenv]) 3155 LIBS="$saved_LIBS" 3156 3157 PAM_MSG="yes" 3158 3159 SSHDLIBS="$SSHDLIBS -lpam" 3160 AC_DEFINE([USE_PAM], [1], 3161 [Define if you want to enable PAM support]) 3162 3163 if test $ac_cv_lib_dl_dlopen = yes; then 3164 case "$LIBS" in 3165 *-ldl*) 3166 # libdl already in LIBS 3167 ;; 3168 *) 3169 SSHDLIBS="$SSHDLIBS -ldl" 3170 ;; 3171 esac 3172 fi 3173 fi 3174 ] 3175) 3176 3177AC_ARG_WITH([pam-service], 3178 [ --with-pam-service=name Specify PAM service name ], 3179 [ 3180 if test "x$withval" != "xno" && \ 3181 test "x$withval" != "xyes" ; then 3182 AC_DEFINE_UNQUOTED([SSHD_PAM_SERVICE], 3183 ["$withval"], [sshd PAM service name]) 3184 fi 3185 ] 3186) 3187 3188# Check for older PAM 3189if test "x$PAM_MSG" = "xyes" ; then 3190 # Check PAM strerror arguments (old PAM) 3191 AC_MSG_CHECKING([whether pam_strerror takes only one argument]) 3192 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 3193#include <stdlib.h> 3194#if defined(HAVE_SECURITY_PAM_APPL_H) 3195#include <security/pam_appl.h> 3196#elif defined (HAVE_PAM_PAM_APPL_H) 3197#include <pam/pam_appl.h> 3198#endif 3199 ]], [[ 3200(void)pam_strerror((pam_handle_t *)NULL, -1); 3201 ]])], [AC_MSG_RESULT([no])], [ 3202 AC_DEFINE([HAVE_OLD_PAM], [1], 3203 [Define if you have an old version of PAM 3204 which takes only one argument to pam_strerror]) 3205 AC_MSG_RESULT([yes]) 3206 PAM_MSG="yes (old library)" 3207 3208 ]) 3209fi 3210 3211case "$host" in 3212*-*-cygwin*) 3213 SSH_PRIVSEP_USER=CYGWIN_SSH_PRIVSEP_USER 3214 ;; 3215*) 3216 SSH_PRIVSEP_USER=sshd 3217 ;; 3218esac 3219AC_ARG_WITH([privsep-user], 3220 [ --with-privsep-user=user Specify non-privileged user for privilege separation], 3221 [ 3222 if test -n "$withval" && test "x$withval" != "xno" && \ 3223 test "x${withval}" != "xyes"; then 3224 SSH_PRIVSEP_USER=$withval 3225 fi 3226 ] 3227) 3228if test "x$SSH_PRIVSEP_USER" = "xCYGWIN_SSH_PRIVSEP_USER" ; then 3229 AC_DEFINE_UNQUOTED([SSH_PRIVSEP_USER], [CYGWIN_SSH_PRIVSEP_USER], 3230 [Cygwin function to fetch non-privileged user for privilege separation]) 3231else 3232 AC_DEFINE_UNQUOTED([SSH_PRIVSEP_USER], ["$SSH_PRIVSEP_USER"], 3233 [non-privileged user for privilege separation]) 3234fi 3235AC_SUBST([SSH_PRIVSEP_USER]) 3236 3237if test "x$have_linux_no_new_privs" = "x1" ; then 3238AC_CHECK_DECL([SECCOMP_MODE_FILTER], [have_seccomp_filter=1], , [ 3239 #include <sys/types.h> 3240 #include <linux/seccomp.h> 3241]) 3242fi 3243if test "x$have_seccomp_filter" = "x1" ; then 3244AC_MSG_CHECKING([kernel for seccomp_filter support]) 3245AC_LINK_IFELSE([AC_LANG_PROGRAM([[ 3246 #include <errno.h> 3247 #include <elf.h> 3248 #include <linux/audit.h> 3249 #include <linux/seccomp.h> 3250 #include <stdlib.h> 3251 #include <sys/prctl.h> 3252 ]], 3253 [[ int i = $seccomp_audit_arch; 3254 errno = 0; 3255 prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, NULL, 0, 0); 3256 exit(errno == EFAULT ? 0 : 1); ]])], 3257 [ AC_MSG_RESULT([yes]) ], [ 3258 AC_MSG_RESULT([no]) 3259 # Disable seccomp filter as a target 3260 have_seccomp_filter=0 3261 ] 3262) 3263fi 3264 3265# Decide which sandbox style to use 3266sandbox_arg="" 3267AC_ARG_WITH([sandbox], 3268 [ --with-sandbox=style Specify privilege separation sandbox (no, capsicum, darwin, rlimit, seccomp_filter, systrace, pledge)], 3269 [ 3270 if test "x$withval" = "xyes" ; then 3271 sandbox_arg="" 3272 else 3273 sandbox_arg="$withval" 3274 fi 3275 ] 3276) 3277 3278# Some platforms (seems to be the ones that have a kernel poll(2)-type 3279# function with which they implement select(2)) use an extra file descriptor 3280# when calling select(2), which means we can't use the rlimit sandbox. 3281AC_MSG_CHECKING([if select works with descriptor rlimit]) 3282AC_RUN_IFELSE( 3283 [AC_LANG_PROGRAM([[ 3284#include <sys/types.h> 3285#ifdef HAVE_SYS_TIME_H 3286# include <sys/time.h> 3287#endif 3288#include <sys/resource.h> 3289#ifdef HAVE_SYS_SELECT_H 3290# include <sys/select.h> 3291#endif 3292#include <errno.h> 3293#include <fcntl.h> 3294#include <stdlib.h> 3295 ]],[[ 3296 struct rlimit rl_zero; 3297 int fd, r; 3298 fd_set fds; 3299 struct timeval tv; 3300 3301 fd = open("/dev/null", O_RDONLY); 3302 FD_ZERO(&fds); 3303 FD_SET(fd, &fds); 3304 rl_zero.rlim_cur = rl_zero.rlim_max = 0; 3305 setrlimit(RLIMIT_FSIZE, &rl_zero); 3306 setrlimit(RLIMIT_NOFILE, &rl_zero); 3307 tv.tv_sec = 1; 3308 tv.tv_usec = 0; 3309 r = select(fd+1, &fds, NULL, NULL, &tv); 3310 exit (r == -1 ? 1 : 0); 3311 ]])], 3312 [AC_MSG_RESULT([yes]) 3313 select_works_with_rlimit=yes], 3314 [AC_MSG_RESULT([no]) 3315 select_works_with_rlimit=no], 3316 [AC_MSG_WARN([cross compiling: assuming yes]) 3317 select_works_with_rlimit=yes] 3318) 3319 3320AC_MSG_CHECKING([if setrlimit(RLIMIT_NOFILE,{0,0}) works]) 3321AC_RUN_IFELSE( 3322 [AC_LANG_PROGRAM([[ 3323#include <sys/types.h> 3324#ifdef HAVE_SYS_TIME_H 3325# include <sys/time.h> 3326#endif 3327#include <sys/resource.h> 3328#include <errno.h> 3329#include <stdlib.h> 3330 ]],[[ 3331 struct rlimit rl_zero; 3332 int fd, r; 3333 fd_set fds; 3334 3335 rl_zero.rlim_cur = rl_zero.rlim_max = 0; 3336 r = setrlimit(RLIMIT_NOFILE, &rl_zero); 3337 exit (r == -1 ? 1 : 0); 3338 ]])], 3339 [AC_MSG_RESULT([yes]) 3340 rlimit_nofile_zero_works=yes], 3341 [AC_MSG_RESULT([no]) 3342 rlimit_nofile_zero_works=no], 3343 [AC_MSG_WARN([cross compiling: assuming yes]) 3344 rlimit_nofile_zero_works=yes] 3345) 3346 3347AC_MSG_CHECKING([if setrlimit RLIMIT_FSIZE works]) 3348AC_RUN_IFELSE( 3349 [AC_LANG_PROGRAM([[ 3350#include <sys/types.h> 3351#include <sys/resource.h> 3352#include <stdlib.h> 3353 ]],[[ 3354 struct rlimit rl_zero; 3355 3356 rl_zero.rlim_cur = rl_zero.rlim_max = 0; 3357 exit(setrlimit(RLIMIT_FSIZE, &rl_zero) != 0); 3358 ]])], 3359 [AC_MSG_RESULT([yes])], 3360 [AC_MSG_RESULT([no]) 3361 AC_DEFINE(SANDBOX_SKIP_RLIMIT_FSIZE, 1, 3362 [setrlimit RLIMIT_FSIZE works])], 3363 [AC_MSG_WARN([cross compiling: assuming yes])] 3364) 3365 3366if test "x$sandbox_arg" = "xpledge" || \ 3367 ( test -z "$sandbox_arg" && test "x$ac_cv_func_pledge" = "xyes" ) ; then 3368 test "x$ac_cv_func_pledge" != "xyes" && \ 3369 AC_MSG_ERROR([pledge sandbox requires pledge(2) support]) 3370 SANDBOX_STYLE="pledge" 3371 AC_DEFINE([SANDBOX_PLEDGE], [1], [Sandbox using pledge(2)]) 3372elif test "x$sandbox_arg" = "xsystrace" || \ 3373 ( test -z "$sandbox_arg" && test "x$have_systr_policy_kill" = "x1" ) ; then 3374 test "x$have_systr_policy_kill" != "x1" && \ 3375 AC_MSG_ERROR([systrace sandbox requires systrace headers and SYSTR_POLICY_KILL support]) 3376 SANDBOX_STYLE="systrace" 3377 AC_DEFINE([SANDBOX_SYSTRACE], [1], [Sandbox using systrace(4)]) 3378elif test "x$sandbox_arg" = "xdarwin" || \ 3379 ( test -z "$sandbox_arg" && test "x$ac_cv_func_sandbox_init" = "xyes" && \ 3380 test "x$ac_cv_header_sandbox_h" = "xyes") ; then 3381 test "x$ac_cv_func_sandbox_init" != "xyes" -o \ 3382 "x$ac_cv_header_sandbox_h" != "xyes" && \ 3383 AC_MSG_ERROR([Darwin seatbelt sandbox requires sandbox.h and sandbox_init function]) 3384 SANDBOX_STYLE="darwin" 3385 AC_DEFINE([SANDBOX_DARWIN], [1], [Sandbox using Darwin sandbox_init(3)]) 3386elif test "x$sandbox_arg" = "xseccomp_filter" || \ 3387 ( test -z "$sandbox_arg" && \ 3388 test "x$have_seccomp_filter" = "x1" && \ 3389 test "x$ac_cv_header_elf_h" = "xyes" && \ 3390 test "x$ac_cv_header_linux_audit_h" = "xyes" && \ 3391 test "x$ac_cv_header_linux_filter_h" = "xyes" && \ 3392 test "x$seccomp_audit_arch" != "x" && \ 3393 test "x$have_linux_no_new_privs" = "x1" && \ 3394 test "x$ac_cv_func_prctl" = "xyes" ) ; then 3395 test "x$seccomp_audit_arch" = "x" && \ 3396 AC_MSG_ERROR([seccomp_filter sandbox not supported on $host]) 3397 test "x$have_linux_no_new_privs" != "x1" && \ 3398 AC_MSG_ERROR([seccomp_filter sandbox requires PR_SET_NO_NEW_PRIVS]) 3399 test "x$have_seccomp_filter" != "x1" && \ 3400 AC_MSG_ERROR([seccomp_filter sandbox requires seccomp headers]) 3401 test "x$ac_cv_func_prctl" != "xyes" && \ 3402 AC_MSG_ERROR([seccomp_filter sandbox requires prctl function]) 3403 SANDBOX_STYLE="seccomp_filter" 3404 AC_DEFINE([SANDBOX_SECCOMP_FILTER], [1], [Sandbox using seccomp filter]) 3405elif test "x$sandbox_arg" = "xcapsicum" || \ 3406 ( test -z "$sandbox_arg" && \ 3407 test "x$ac_cv_header_sys_capsicum_h" = "xyes" && \ 3408 test "x$ac_cv_func_cap_rights_limit" = "xyes") ; then 3409 test "x$ac_cv_header_sys_capsicum_h" != "xyes" && \ 3410 AC_MSG_ERROR([capsicum sandbox requires sys/capsicum.h header]) 3411 test "x$ac_cv_func_cap_rights_limit" != "xyes" && \ 3412 AC_MSG_ERROR([capsicum sandbox requires cap_rights_limit function]) 3413 SANDBOX_STYLE="capsicum" 3414 AC_DEFINE([SANDBOX_CAPSICUM], [1], [Sandbox using capsicum]) 3415elif test "x$sandbox_arg" = "xrlimit" || \ 3416 ( test -z "$sandbox_arg" && test "x$ac_cv_func_setrlimit" = "xyes" && \ 3417 test "x$select_works_with_rlimit" = "xyes" && \ 3418 test "x$rlimit_nofile_zero_works" = "xyes" ) ; then 3419 test "x$ac_cv_func_setrlimit" != "xyes" && \ 3420 AC_MSG_ERROR([rlimit sandbox requires setrlimit function]) 3421 test "x$select_works_with_rlimit" != "xyes" && \ 3422 AC_MSG_ERROR([rlimit sandbox requires select to work with rlimit]) 3423 SANDBOX_STYLE="rlimit" 3424 AC_DEFINE([SANDBOX_RLIMIT], [1], [Sandbox using setrlimit(2)]) 3425elif test "x$sandbox_arg" = "xsolaris" || \ 3426 ( test -z "$sandbox_arg" && test "x$SOLARIS_PRIVS" = "xyes" ) ; then 3427 SANDBOX_STYLE="solaris" 3428 AC_DEFINE([SANDBOX_SOLARIS], [1], [Sandbox using Solaris/Illumos privileges]) 3429elif test -z "$sandbox_arg" || test "x$sandbox_arg" = "xno" || \ 3430 test "x$sandbox_arg" = "xnone" || test "x$sandbox_arg" = "xnull" ; then 3431 SANDBOX_STYLE="none" 3432 AC_DEFINE([SANDBOX_NULL], [1], [no privsep sandboxing]) 3433else 3434 AC_MSG_ERROR([unsupported --with-sandbox]) 3435fi 3436 3437# Cheap hack to ensure NEWS-OS libraries are arranged right. 3438if test ! -z "$SONY" ; then 3439 LIBS="$LIBS -liberty"; 3440fi 3441 3442# Check for long long datatypes 3443AC_CHECK_TYPES([long long, unsigned long long, long double]) 3444 3445# Check datatype sizes 3446AC_CHECK_SIZEOF([short int], [2]) 3447AC_CHECK_SIZEOF([int], [4]) 3448AC_CHECK_SIZEOF([long int], [4]) 3449AC_CHECK_SIZEOF([long long int], [8]) 3450 3451# Sanity check long long for some platforms (AIX) 3452if test "x$ac_cv_sizeof_long_long_int" = "x4" ; then 3453 ac_cv_sizeof_long_long_int=0 3454fi 3455 3456# compute LLONG_MIN and LLONG_MAX if we don't know them. 3457if test -z "$have_llong_max"; then 3458 AC_MSG_CHECKING([for max value of long long]) 3459 AC_RUN_IFELSE( 3460 [AC_LANG_PROGRAM([[ 3461#include <stdio.h> 3462/* Why is this so damn hard? */ 3463#ifdef __GNUC__ 3464# undef __GNUC__ 3465#endif 3466#define __USE_ISOC99 3467#include <limits.h> 3468#define DATA "conftest.llminmax" 3469#define my_abs(a) ((a) < 0 ? ((a) * -1) : (a)) 3470 3471/* 3472 * printf in libc on some platforms (eg old Tru64) does not understand %lld so 3473 * we do this the hard way. 3474 */ 3475static int 3476fprint_ll(FILE *f, long long n) 3477{ 3478 unsigned int i; 3479 int l[sizeof(long long) * 8]; 3480 3481 if (n < 0) 3482 if (fprintf(f, "-") < 0) 3483 return -1; 3484 for (i = 0; n != 0; i++) { 3485 l[i] = my_abs(n % 10); 3486 n /= 10; 3487 } 3488 do { 3489 if (fprintf(f, "%d", l[--i]) < 0) 3490 return -1; 3491 } while (i != 0); 3492 if (fprintf(f, " ") < 0) 3493 return -1; 3494 return 0; 3495} 3496 ]], [[ 3497 FILE *f; 3498 long long i, llmin, llmax = 0; 3499 3500 if((f = fopen(DATA,"w")) == NULL) 3501 exit(1); 3502 3503#if defined(LLONG_MIN) && defined(LLONG_MAX) 3504 fprintf(stderr, "Using system header for LLONG_MIN and LLONG_MAX\n"); 3505 llmin = LLONG_MIN; 3506 llmax = LLONG_MAX; 3507#else 3508 fprintf(stderr, "Calculating LLONG_MIN and LLONG_MAX\n"); 3509 /* This will work on one's complement and two's complement */ 3510 for (i = 1; i > llmax; i <<= 1, i++) 3511 llmax = i; 3512 llmin = llmax + 1LL; /* wrap */ 3513#endif 3514 3515 /* Sanity check */ 3516 if (llmin + 1 < llmin || llmin - 1 < llmin || llmax + 1 > llmax 3517 || llmax - 1 > llmax || llmin == llmax || llmin == 0 3518 || llmax == 0 || llmax < LONG_MAX || llmin > LONG_MIN) { 3519 fprintf(f, "unknown unknown\n"); 3520 exit(2); 3521 } 3522 3523 if (fprint_ll(f, llmin) < 0) 3524 exit(3); 3525 if (fprint_ll(f, llmax) < 0) 3526 exit(4); 3527 if (fclose(f) < 0) 3528 exit(5); 3529 exit(0); 3530 ]])], 3531 [ 3532 llong_min=`$AWK '{print $1}' conftest.llminmax` 3533 llong_max=`$AWK '{print $2}' conftest.llminmax` 3534 3535 AC_MSG_RESULT([$llong_max]) 3536 AC_DEFINE_UNQUOTED([LLONG_MAX], [${llong_max}LL], 3537 [max value of long long calculated by configure]) 3538 AC_MSG_CHECKING([for min value of long long]) 3539 AC_MSG_RESULT([$llong_min]) 3540 AC_DEFINE_UNQUOTED([LLONG_MIN], [${llong_min}LL], 3541 [min value of long long calculated by configure]) 3542 ], 3543 [ 3544 AC_MSG_RESULT([not found]) 3545 ], 3546 [ 3547 AC_MSG_WARN([cross compiling: not checking]) 3548 ] 3549 ) 3550fi 3551 3552 3553# More checks for data types 3554AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [ 3555 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], 3556 [[ u_int a; a = 1;]])], 3557 [ ac_cv_have_u_int="yes" ], [ ac_cv_have_u_int="no" 3558 ]) 3559]) 3560if test "x$ac_cv_have_u_int" = "xyes" ; then 3561 AC_DEFINE([HAVE_U_INT], [1], [define if you have u_int data type]) 3562 have_u_int=1 3563fi 3564 3565AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [ 3566 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], 3567 [[ int8_t a; int16_t b; int32_t c; a = b = c = 1;]])], 3568 [ ac_cv_have_intxx_t="yes" ], [ ac_cv_have_intxx_t="no" 3569 ]) 3570]) 3571if test "x$ac_cv_have_intxx_t" = "xyes" ; then 3572 AC_DEFINE([HAVE_INTXX_T], [1], [define if you have intxx_t data type]) 3573 have_intxx_t=1 3574fi 3575 3576if (test -z "$have_intxx_t" && \ 3577 test "x$ac_cv_header_stdint_h" = "xyes") 3578then 3579 AC_MSG_CHECKING([for intXX_t types in stdint.h]) 3580 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <stdint.h> ]], 3581 [[ int8_t a; int16_t b; int32_t c; a = b = c = 1;]])], 3582 [ 3583 AC_DEFINE([HAVE_INTXX_T]) 3584 AC_MSG_RESULT([yes]) 3585 ], [ AC_MSG_RESULT([no]) 3586 ]) 3587fi 3588 3589AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [ 3590 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 3591#include <sys/types.h> 3592#ifdef HAVE_STDINT_H 3593# include <stdint.h> 3594#endif 3595#include <sys/socket.h> 3596#ifdef HAVE_SYS_BITYPES_H 3597# include <sys/bitypes.h> 3598#endif 3599 ]], [[ 3600int64_t a; a = 1; 3601 ]])], 3602 [ ac_cv_have_int64_t="yes" ], [ ac_cv_have_int64_t="no" 3603 ]) 3604]) 3605if test "x$ac_cv_have_int64_t" = "xyes" ; then 3606 AC_DEFINE([HAVE_INT64_T], [1], [define if you have int64_t data type]) 3607fi 3608 3609AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [ 3610 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], 3611 [[ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;]])], 3612 [ ac_cv_have_u_intxx_t="yes" ], [ ac_cv_have_u_intxx_t="no" 3613 ]) 3614]) 3615if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then 3616 AC_DEFINE([HAVE_U_INTXX_T], [1], [define if you have u_intxx_t data type]) 3617 have_u_intxx_t=1 3618fi 3619 3620if test -z "$have_u_intxx_t" ; then 3621 AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h]) 3622 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/socket.h> ]], 3623 [[ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;]])], 3624 [ 3625 AC_DEFINE([HAVE_U_INTXX_T]) 3626 AC_MSG_RESULT([yes]) 3627 ], [ AC_MSG_RESULT([no]) 3628 ]) 3629fi 3630 3631AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [ 3632 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], 3633 [[ u_int64_t a; a = 1;]])], 3634 [ ac_cv_have_u_int64_t="yes" ], [ ac_cv_have_u_int64_t="no" 3635 ]) 3636]) 3637if test "x$ac_cv_have_u_int64_t" = "xyes" ; then 3638 AC_DEFINE([HAVE_U_INT64_T], [1], [define if you have u_int64_t data type]) 3639 have_u_int64_t=1 3640fi 3641 3642if (test -z "$have_u_int64_t" && \ 3643 test "x$ac_cv_header_sys_bitypes_h" = "xyes") 3644then 3645 AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h]) 3646 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/bitypes.h> ]], 3647 [[ u_int64_t a; a = 1]])], 3648 [ 3649 AC_DEFINE([HAVE_U_INT64_T]) 3650 AC_MSG_RESULT([yes]) 3651 ], [ AC_MSG_RESULT([no]) 3652 ]) 3653fi 3654 3655if test -z "$have_u_intxx_t" ; then 3656 AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [ 3657 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 3658#include <sys/types.h> 3659 ]], [[ 3660 uint8_t a; 3661 uint16_t b; 3662 uint32_t c; 3663 a = b = c = 1; 3664 ]])], 3665 [ ac_cv_have_uintxx_t="yes" ], [ ac_cv_have_uintxx_t="no" 3666 ]) 3667 ]) 3668 if test "x$ac_cv_have_uintxx_t" = "xyes" ; then 3669 AC_DEFINE([HAVE_UINTXX_T], [1], 3670 [define if you have uintxx_t data type]) 3671 fi 3672fi 3673 3674if (test -z "$have_uintxx_t" && \ 3675 test "x$ac_cv_header_stdint_h" = "xyes") 3676then 3677 AC_MSG_CHECKING([for uintXX_t types in stdint.h]) 3678 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <stdint.h> ]], 3679 [[ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;]])], 3680 [ 3681 AC_DEFINE([HAVE_UINTXX_T]) 3682 AC_MSG_RESULT([yes]) 3683 ], [ AC_MSG_RESULT([no]) 3684 ]) 3685fi 3686 3687if (test -z "$have_uintxx_t" && \ 3688 test "x$ac_cv_header_inttypes_h" = "xyes") 3689then 3690 AC_MSG_CHECKING([for uintXX_t types in inttypes.h]) 3691 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <inttypes.h> ]], 3692 [[ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;]])], 3693 [ 3694 AC_DEFINE([HAVE_UINTXX_T]) 3695 AC_MSG_RESULT([yes]) 3696 ], [ AC_MSG_RESULT([no]) 3697 ]) 3698fi 3699 3700if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \ 3701 test "x$ac_cv_header_sys_bitypes_h" = "xyes") 3702then 3703 AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h]) 3704 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 3705#include <sys/bitypes.h> 3706 ]], [[ 3707 int8_t a; int16_t b; int32_t c; 3708 u_int8_t e; u_int16_t f; u_int32_t g; 3709 a = b = c = e = f = g = 1; 3710 ]])], 3711 [ 3712 AC_DEFINE([HAVE_U_INTXX_T]) 3713 AC_DEFINE([HAVE_INTXX_T]) 3714 AC_MSG_RESULT([yes]) 3715 ], [AC_MSG_RESULT([no]) 3716 ]) 3717fi 3718 3719 3720AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [ 3721 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], 3722 [[ u_char foo; foo = 125; ]])], 3723 [ ac_cv_have_u_char="yes" ], [ ac_cv_have_u_char="no" 3724 ]) 3725]) 3726if test "x$ac_cv_have_u_char" = "xyes" ; then 3727 AC_DEFINE([HAVE_U_CHAR], [1], [define if you have u_char data type]) 3728fi 3729 3730AC_CHECK_TYPES([intmax_t, uintmax_t], , , [ 3731#include <sys/types.h> 3732#include <stdint.h> 3733]) 3734 3735TYPE_SOCKLEN_T 3736 3737AC_CHECK_TYPES([sig_atomic_t], , , [#include <signal.h>]) 3738AC_CHECK_TYPES([fsblkcnt_t, fsfilcnt_t], , , [ 3739#include <sys/types.h> 3740#ifdef HAVE_SYS_BITYPES_H 3741#include <sys/bitypes.h> 3742#endif 3743#ifdef HAVE_SYS_STATFS_H 3744#include <sys/statfs.h> 3745#endif 3746#ifdef HAVE_SYS_STATVFS_H 3747#include <sys/statvfs.h> 3748#endif 3749]) 3750 3751AC_CHECK_MEMBERS([struct statfs.f_flags], [], [], [[ 3752#include <sys/types.h> 3753#ifdef HAVE_SYS_BITYPES_H 3754#include <sys/bitypes.h> 3755#endif 3756#ifdef HAVE_SYS_STATFS_H 3757#include <sys/statfs.h> 3758#endif 3759#ifdef HAVE_SYS_STATVFS_H 3760#include <sys/statvfs.h> 3761#endif 3762#ifdef HAVE_SYS_VFS_H 3763#include <sys/vfs.h> 3764#endif 3765]]) 3766 3767 3768AC_CHECK_TYPES([in_addr_t, in_port_t], , , 3769[#include <sys/types.h> 3770#include <netinet/in.h>]) 3771 3772AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [ 3773 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], 3774 [[ size_t foo; foo = 1235; ]])], 3775 [ ac_cv_have_size_t="yes" ], [ ac_cv_have_size_t="no" 3776 ]) 3777]) 3778if test "x$ac_cv_have_size_t" = "xyes" ; then 3779 AC_DEFINE([HAVE_SIZE_T], [1], [define if you have size_t data type]) 3780fi 3781 3782AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [ 3783 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], 3784 [[ ssize_t foo; foo = 1235; ]])], 3785 [ ac_cv_have_ssize_t="yes" ], [ ac_cv_have_ssize_t="no" 3786 ]) 3787]) 3788if test "x$ac_cv_have_ssize_t" = "xyes" ; then 3789 AC_DEFINE([HAVE_SSIZE_T], [1], [define if you have ssize_t data type]) 3790fi 3791 3792AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [ 3793 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <time.h> ]], 3794 [[ clock_t foo; foo = 1235; ]])], 3795 [ ac_cv_have_clock_t="yes" ], [ ac_cv_have_clock_t="no" 3796 ]) 3797]) 3798if test "x$ac_cv_have_clock_t" = "xyes" ; then 3799 AC_DEFINE([HAVE_CLOCK_T], [1], [define if you have clock_t data type]) 3800fi 3801 3802AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [ 3803 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 3804#include <sys/types.h> 3805#include <sys/socket.h> 3806 ]], [[ sa_family_t foo; foo = 1235; ]])], 3807 [ ac_cv_have_sa_family_t="yes" ], 3808 [ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 3809#include <sys/types.h> 3810#include <sys/socket.h> 3811#include <netinet/in.h> 3812 ]], [[ sa_family_t foo; foo = 1235; ]])], 3813 [ ac_cv_have_sa_family_t="yes" ], 3814 [ ac_cv_have_sa_family_t="no" ] 3815 ) 3816 ]) 3817]) 3818if test "x$ac_cv_have_sa_family_t" = "xyes" ; then 3819 AC_DEFINE([HAVE_SA_FAMILY_T], [1], 3820 [define if you have sa_family_t data type]) 3821fi 3822 3823AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [ 3824 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], 3825 [[ pid_t foo; foo = 1235; ]])], 3826 [ ac_cv_have_pid_t="yes" ], [ ac_cv_have_pid_t="no" 3827 ]) 3828]) 3829if test "x$ac_cv_have_pid_t" = "xyes" ; then 3830 AC_DEFINE([HAVE_PID_T], [1], [define if you have pid_t data type]) 3831fi 3832 3833AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [ 3834 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], 3835 [[ mode_t foo; foo = 1235; ]])], 3836 [ ac_cv_have_mode_t="yes" ], [ ac_cv_have_mode_t="no" 3837 ]) 3838]) 3839if test "x$ac_cv_have_mode_t" = "xyes" ; then 3840 AC_DEFINE([HAVE_MODE_T], [1], [define if you have mode_t data type]) 3841fi 3842 3843 3844AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [ 3845 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 3846#include <sys/types.h> 3847#include <sys/socket.h> 3848 ]], [[ struct sockaddr_storage s; ]])], 3849 [ ac_cv_have_struct_sockaddr_storage="yes" ], 3850 [ ac_cv_have_struct_sockaddr_storage="no" 3851 ]) 3852]) 3853if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then 3854 AC_DEFINE([HAVE_STRUCT_SOCKADDR_STORAGE], [1], 3855 [define if you have struct sockaddr_storage data type]) 3856fi 3857 3858AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [ 3859 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 3860#include <sys/types.h> 3861#include <netinet/in.h> 3862 ]], [[ struct sockaddr_in6 s; s.sin6_family = 0; ]])], 3863 [ ac_cv_have_struct_sockaddr_in6="yes" ], 3864 [ ac_cv_have_struct_sockaddr_in6="no" 3865 ]) 3866]) 3867if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then 3868 AC_DEFINE([HAVE_STRUCT_SOCKADDR_IN6], [1], 3869 [define if you have struct sockaddr_in6 data type]) 3870fi 3871 3872AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [ 3873 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 3874#include <sys/types.h> 3875#include <netinet/in.h> 3876 ]], [[ struct in6_addr s; s.s6_addr[0] = 0; ]])], 3877 [ ac_cv_have_struct_in6_addr="yes" ], 3878 [ ac_cv_have_struct_in6_addr="no" 3879 ]) 3880]) 3881if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then 3882 AC_DEFINE([HAVE_STRUCT_IN6_ADDR], [1], 3883 [define if you have struct in6_addr data type]) 3884 3885dnl Now check for sin6_scope_id 3886 AC_CHECK_MEMBERS([struct sockaddr_in6.sin6_scope_id], , , 3887 [ 3888#ifdef HAVE_SYS_TYPES_H 3889#include <sys/types.h> 3890#endif 3891#include <netinet/in.h> 3892 ]) 3893fi 3894 3895AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [ 3896 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 3897#include <sys/types.h> 3898#include <sys/socket.h> 3899#include <netdb.h> 3900 ]], [[ struct addrinfo s; s.ai_flags = AI_PASSIVE; ]])], 3901 [ ac_cv_have_struct_addrinfo="yes" ], 3902 [ ac_cv_have_struct_addrinfo="no" 3903 ]) 3904]) 3905if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then 3906 AC_DEFINE([HAVE_STRUCT_ADDRINFO], [1], 3907 [define if you have struct addrinfo data type]) 3908fi 3909 3910AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [ 3911 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/time.h> ]], 3912 [[ struct timeval tv; tv.tv_sec = 1;]])], 3913 [ ac_cv_have_struct_timeval="yes" ], 3914 [ ac_cv_have_struct_timeval="no" 3915 ]) 3916]) 3917if test "x$ac_cv_have_struct_timeval" = "xyes" ; then 3918 AC_DEFINE([HAVE_STRUCT_TIMEVAL], [1], [define if you have struct timeval]) 3919 have_struct_timeval=1 3920fi 3921 3922AC_CHECK_TYPES([struct timespec]) 3923 3924# We need int64_t or else certain parts of the compile will fail. 3925if test "x$ac_cv_have_int64_t" = "xno" && \ 3926 test "x$ac_cv_sizeof_long_int" != "x8" && \ 3927 test "x$ac_cv_sizeof_long_long_int" = "x0" ; then 3928 echo "OpenSSH requires int64_t support. Contact your vendor or install" 3929 echo "an alternative compiler (I.E., GCC) before continuing." 3930 echo "" 3931 exit 1; 3932else 3933dnl test snprintf (broken on SCO w/gcc) 3934 AC_RUN_IFELSE( 3935 [AC_LANG_SOURCE([[ 3936#include <stdio.h> 3937#include <string.h> 3938#ifdef HAVE_SNPRINTF 3939main() 3940{ 3941 char buf[50]; 3942 char expected_out[50]; 3943 int mazsize = 50 ; 3944#if (SIZEOF_LONG_INT == 8) 3945 long int num = 0x7fffffffffffffff; 3946#else 3947 long long num = 0x7fffffffffffffffll; 3948#endif 3949 strcpy(expected_out, "9223372036854775807"); 3950 snprintf(buf, mazsize, "%lld", num); 3951 if(strcmp(buf, expected_out) != 0) 3952 exit(1); 3953 exit(0); 3954} 3955#else 3956main() { exit(0); } 3957#endif 3958 ]])], [ true ], [ AC_DEFINE([BROKEN_SNPRINTF]) ], 3959 AC_MSG_WARN([cross compiling: Assuming working snprintf()]) 3960 ) 3961fi 3962 3963dnl Checks for structure members 3964OSSH_CHECK_HEADER_FOR_FIELD([ut_host], [utmp.h], [HAVE_HOST_IN_UTMP]) 3965OSSH_CHECK_HEADER_FOR_FIELD([ut_host], [utmpx.h], [HAVE_HOST_IN_UTMPX]) 3966OSSH_CHECK_HEADER_FOR_FIELD([syslen], [utmpx.h], [HAVE_SYSLEN_IN_UTMPX]) 3967OSSH_CHECK_HEADER_FOR_FIELD([ut_pid], [utmp.h], [HAVE_PID_IN_UTMP]) 3968OSSH_CHECK_HEADER_FOR_FIELD([ut_type], [utmp.h], [HAVE_TYPE_IN_UTMP]) 3969OSSH_CHECK_HEADER_FOR_FIELD([ut_type], [utmpx.h], [HAVE_TYPE_IN_UTMPX]) 3970OSSH_CHECK_HEADER_FOR_FIELD([ut_tv], [utmp.h], [HAVE_TV_IN_UTMP]) 3971OSSH_CHECK_HEADER_FOR_FIELD([ut_id], [utmp.h], [HAVE_ID_IN_UTMP]) 3972OSSH_CHECK_HEADER_FOR_FIELD([ut_id], [utmpx.h], [HAVE_ID_IN_UTMPX]) 3973OSSH_CHECK_HEADER_FOR_FIELD([ut_addr], [utmp.h], [HAVE_ADDR_IN_UTMP]) 3974OSSH_CHECK_HEADER_FOR_FIELD([ut_addr], [utmpx.h], [HAVE_ADDR_IN_UTMPX]) 3975OSSH_CHECK_HEADER_FOR_FIELD([ut_addr_v6], [utmp.h], [HAVE_ADDR_V6_IN_UTMP]) 3976OSSH_CHECK_HEADER_FOR_FIELD([ut_addr_v6], [utmpx.h], [HAVE_ADDR_V6_IN_UTMPX]) 3977OSSH_CHECK_HEADER_FOR_FIELD([ut_exit], [utmp.h], [HAVE_EXIT_IN_UTMP]) 3978OSSH_CHECK_HEADER_FOR_FIELD([ut_time], [utmp.h], [HAVE_TIME_IN_UTMP]) 3979OSSH_CHECK_HEADER_FOR_FIELD([ut_time], [utmpx.h], [HAVE_TIME_IN_UTMPX]) 3980OSSH_CHECK_HEADER_FOR_FIELD([ut_tv], [utmpx.h], [HAVE_TV_IN_UTMPX]) 3981 3982AC_CHECK_MEMBERS([struct stat.st_blksize]) 3983AC_CHECK_MEMBERS([struct stat.st_mtim]) 3984AC_CHECK_MEMBERS([struct stat.st_mtime]) 3985AC_CHECK_MEMBERS([struct passwd.pw_gecos, struct passwd.pw_class, 3986struct passwd.pw_change, struct passwd.pw_expire], 3987[], [], [[ 3988#include <sys/types.h> 3989#include <pwd.h> 3990]]) 3991 3992AC_CHECK_MEMBER([struct __res_state.retrans], [], [AC_DEFINE([__res_state], [state], 3993 [Define if we don't have struct __res_state in resolv.h])], 3994[[ 3995#include <stdio.h> 3996#if HAVE_SYS_TYPES_H 3997# include <sys/types.h> 3998#endif 3999#include <netinet/in.h> 4000#include <arpa/nameser.h> 4001#include <resolv.h> 4002]]) 4003 4004AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage], 4005 ac_cv_have_ss_family_in_struct_ss, [ 4006 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 4007#include <sys/types.h> 4008#include <sys/socket.h> 4009 ]], [[ struct sockaddr_storage s; s.ss_family = 1; ]])], 4010 [ ac_cv_have_ss_family_in_struct_ss="yes" ], 4011 [ ac_cv_have_ss_family_in_struct_ss="no" ]) 4012]) 4013if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then 4014 AC_DEFINE([HAVE_SS_FAMILY_IN_SS], [1], [Fields in struct sockaddr_storage]) 4015fi 4016 4017AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage], 4018 ac_cv_have___ss_family_in_struct_ss, [ 4019 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 4020#include <sys/types.h> 4021#include <sys/socket.h> 4022 ]], [[ struct sockaddr_storage s; s.__ss_family = 1; ]])], 4023 [ ac_cv_have___ss_family_in_struct_ss="yes" ], 4024 [ ac_cv_have___ss_family_in_struct_ss="no" 4025 ]) 4026]) 4027if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then 4028 AC_DEFINE([HAVE___SS_FAMILY_IN_SS], [1], 4029 [Fields in struct sockaddr_storage]) 4030fi 4031 4032dnl make sure we're using the real structure members and not defines 4033AC_CACHE_CHECK([for msg_accrights field in struct msghdr], 4034 ac_cv_have_accrights_in_msghdr, [ 4035 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 4036#include <sys/types.h> 4037#include <sys/socket.h> 4038#include <sys/uio.h> 4039 ]], [[ 4040#ifdef msg_accrights 4041#error "msg_accrights is a macro" 4042exit(1); 4043#endif 4044struct msghdr m; 4045m.msg_accrights = 0; 4046exit(0); 4047 ]])], 4048 [ ac_cv_have_accrights_in_msghdr="yes" ], 4049 [ ac_cv_have_accrights_in_msghdr="no" ] 4050 ) 4051]) 4052if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then 4053 AC_DEFINE([HAVE_ACCRIGHTS_IN_MSGHDR], [1], 4054 [Define if your system uses access rights style 4055 file descriptor passing]) 4056fi 4057 4058AC_MSG_CHECKING([if struct statvfs.f_fsid is integral type]) 4059AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 4060#include <sys/param.h> 4061#include <sys/stat.h> 4062#ifdef HAVE_SYS_TIME_H 4063# include <sys/time.h> 4064#endif 4065#ifdef HAVE_SYS_MOUNT_H 4066#include <sys/mount.h> 4067#endif 4068#ifdef HAVE_SYS_STATVFS_H 4069#include <sys/statvfs.h> 4070#endif 4071 ]], [[ struct statvfs s; s.f_fsid = 0; ]])], 4072 [ AC_MSG_RESULT([yes]) ], 4073 [ AC_MSG_RESULT([no]) 4074 4075 AC_MSG_CHECKING([if fsid_t has member val]) 4076 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 4077#include <sys/types.h> 4078#include <sys/statvfs.h> 4079 ]], [[ fsid_t t; t.val[0] = 0; ]])], 4080 [ AC_MSG_RESULT([yes]) 4081 AC_DEFINE([FSID_HAS_VAL], [1], [fsid_t has member val]) ], 4082 [ AC_MSG_RESULT([no]) ]) 4083 4084 AC_MSG_CHECKING([if f_fsid has member __val]) 4085 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 4086#include <sys/types.h> 4087#include <sys/statvfs.h> 4088 ]], [[ fsid_t t; t.__val[0] = 0; ]])], 4089 [ AC_MSG_RESULT([yes]) 4090 AC_DEFINE([FSID_HAS___VAL], [1], [fsid_t has member __val]) ], 4091 [ AC_MSG_RESULT([no]) ]) 4092]) 4093 4094AC_CACHE_CHECK([for msg_control field in struct msghdr], 4095 ac_cv_have_control_in_msghdr, [ 4096 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 4097#include <sys/types.h> 4098#include <sys/socket.h> 4099#include <sys/uio.h> 4100 ]], [[ 4101#ifdef msg_control 4102#error "msg_control is a macro" 4103exit(1); 4104#endif 4105struct msghdr m; 4106m.msg_control = 0; 4107exit(0); 4108 ]])], 4109 [ ac_cv_have_control_in_msghdr="yes" ], 4110 [ ac_cv_have_control_in_msghdr="no" ] 4111 ) 4112]) 4113if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then 4114 AC_DEFINE([HAVE_CONTROL_IN_MSGHDR], [1], 4115 [Define if your system uses ancillary data style 4116 file descriptor passing]) 4117fi 4118 4119AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [ 4120 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], 4121 [[ extern char *__progname; printf("%s", __progname); ]])], 4122 [ ac_cv_libc_defines___progname="yes" ], 4123 [ ac_cv_libc_defines___progname="no" 4124 ]) 4125]) 4126if test "x$ac_cv_libc_defines___progname" = "xyes" ; then 4127 AC_DEFINE([HAVE___PROGNAME], [1], [Define if libc defines __progname]) 4128fi 4129 4130AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [ 4131 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include <stdio.h> ]], 4132 [[ printf("%s", __FUNCTION__); ]])], 4133 [ ac_cv_cc_implements___FUNCTION__="yes" ], 4134 [ ac_cv_cc_implements___FUNCTION__="no" 4135 ]) 4136]) 4137if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then 4138 AC_DEFINE([HAVE___FUNCTION__], [1], 4139 [Define if compiler implements __FUNCTION__]) 4140fi 4141 4142AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [ 4143 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include <stdio.h> ]], 4144 [[ printf("%s", __func__); ]])], 4145 [ ac_cv_cc_implements___func__="yes" ], 4146 [ ac_cv_cc_implements___func__="no" 4147 ]) 4148]) 4149if test "x$ac_cv_cc_implements___func__" = "xyes" ; then 4150 AC_DEFINE([HAVE___func__], [1], [Define if compiler implements __func__]) 4151fi 4152 4153AC_CACHE_CHECK([whether va_copy exists], ac_cv_have_va_copy, [ 4154 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ 4155#include <stdarg.h> 4156va_list x,y; 4157 ]], [[ va_copy(x,y); ]])], 4158 [ ac_cv_have_va_copy="yes" ], 4159 [ ac_cv_have_va_copy="no" 4160 ]) 4161]) 4162if test "x$ac_cv_have_va_copy" = "xyes" ; then 4163 AC_DEFINE([HAVE_VA_COPY], [1], [Define if va_copy exists]) 4164fi 4165 4166AC_CACHE_CHECK([whether __va_copy exists], ac_cv_have___va_copy, [ 4167 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ 4168#include <stdarg.h> 4169va_list x,y; 4170 ]], [[ __va_copy(x,y); ]])], 4171 [ ac_cv_have___va_copy="yes" ], [ ac_cv_have___va_copy="no" 4172 ]) 4173]) 4174if test "x$ac_cv_have___va_copy" = "xyes" ; then 4175 AC_DEFINE([HAVE___VA_COPY], [1], [Define if __va_copy exists]) 4176fi 4177 4178AC_CACHE_CHECK([whether getopt has optreset support], 4179 ac_cv_have_getopt_optreset, [ 4180 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include <getopt.h> ]], 4181 [[ extern int optreset; optreset = 0; ]])], 4182 [ ac_cv_have_getopt_optreset="yes" ], 4183 [ ac_cv_have_getopt_optreset="no" 4184 ]) 4185]) 4186if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then 4187 AC_DEFINE([HAVE_GETOPT_OPTRESET], [1], 4188 [Define if your getopt(3) defines and uses optreset]) 4189fi 4190 4191AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [ 4192 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], 4193[[ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);]])], 4194 [ ac_cv_libc_defines_sys_errlist="yes" ], 4195 [ ac_cv_libc_defines_sys_errlist="no" 4196 ]) 4197]) 4198if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then 4199 AC_DEFINE([HAVE_SYS_ERRLIST], [1], 4200 [Define if your system defines sys_errlist[]]) 4201fi 4202 4203 4204AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [ 4205 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], 4206[[ extern int sys_nerr; printf("%i", sys_nerr);]])], 4207 [ ac_cv_libc_defines_sys_nerr="yes" ], 4208 [ ac_cv_libc_defines_sys_nerr="no" 4209 ]) 4210]) 4211if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then 4212 AC_DEFINE([HAVE_SYS_NERR], [1], [Define if your system defines sys_nerr]) 4213fi 4214 4215# Check libraries needed by DNS fingerprint support 4216AC_SEARCH_LIBS([getrrsetbyname], [resolv], 4217 [AC_DEFINE([HAVE_GETRRSETBYNAME], [1], 4218 [Define if getrrsetbyname() exists])], 4219 [ 4220 # Needed by our getrrsetbyname() 4221 AC_SEARCH_LIBS([res_query], [resolv]) 4222 AC_SEARCH_LIBS([dn_expand], [resolv]) 4223 AC_MSG_CHECKING([if res_query will link]) 4224 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ 4225#include <sys/types.h> 4226#include <netinet/in.h> 4227#include <arpa/nameser.h> 4228#include <netdb.h> 4229#include <resolv.h> 4230 ]], [[ 4231 res_query (0, 0, 0, 0, 0); 4232 ]])], 4233 AC_MSG_RESULT([yes]), 4234 [AC_MSG_RESULT([no]) 4235 saved_LIBS="$LIBS" 4236 LIBS="$LIBS -lresolv" 4237 AC_MSG_CHECKING([for res_query in -lresolv]) 4238 AC_LINK_IFELSE([AC_LANG_PROGRAM([[ 4239#include <sys/types.h> 4240#include <netinet/in.h> 4241#include <arpa/nameser.h> 4242#include <netdb.h> 4243#include <resolv.h> 4244 ]], [[ 4245 res_query (0, 0, 0, 0, 0); 4246 ]])], 4247 [AC_MSG_RESULT([yes])], 4248 [LIBS="$saved_LIBS" 4249 AC_MSG_RESULT([no])]) 4250 ]) 4251 AC_CHECK_FUNCS([_getshort _getlong]) 4252 AC_CHECK_DECLS([_getshort, _getlong], , , 4253 [#include <sys/types.h> 4254 #include <arpa/nameser.h>]) 4255 AC_CHECK_MEMBER([HEADER.ad], 4256 [AC_DEFINE([HAVE_HEADER_AD], [1], 4257 [Define if HEADER.ad exists in arpa/nameser.h])], , 4258 [#include <arpa/nameser.h>]) 4259 ]) 4260 4261AC_MSG_CHECKING([if struct __res_state _res is an extern]) 4262AC_LINK_IFELSE([AC_LANG_PROGRAM([[ 4263#include <stdio.h> 4264#if HAVE_SYS_TYPES_H 4265# include <sys/types.h> 4266#endif 4267#include <netinet/in.h> 4268#include <arpa/nameser.h> 4269#include <resolv.h> 4270extern struct __res_state _res; 4271 ]], [[ 4272struct __res_state *volatile p = &_res; /* force resolution of _res */ 4273return 0; 4274 ]],)], 4275 [AC_MSG_RESULT([yes]) 4276 AC_DEFINE([HAVE__RES_EXTERN], [1], 4277 [Define if you have struct __res_state _res as an extern]) 4278 ], 4279 [ AC_MSG_RESULT([no]) ] 4280) 4281 4282# Check whether user wants SELinux support 4283SELINUX_MSG="no" 4284LIBSELINUX="" 4285AC_ARG_WITH([selinux], 4286 [ --with-selinux Enable SELinux support], 4287 [ if test "x$withval" != "xno" ; then 4288 save_LIBS="$LIBS" 4289 AC_DEFINE([WITH_SELINUX], [1], 4290 [Define if you want SELinux support.]) 4291 SELINUX_MSG="yes" 4292 AC_CHECK_HEADER([selinux/selinux.h], , 4293 AC_MSG_ERROR([SELinux support requires selinux.h header])) 4294 AC_CHECK_LIB([selinux], [setexeccon], 4295 [ LIBSELINUX="-lselinux" 4296 LIBS="$LIBS -lselinux" 4297 ], 4298 AC_MSG_ERROR([SELinux support requires libselinux library])) 4299 SSHLIBS="$SSHLIBS $LIBSELINUX" 4300 SSHDLIBS="$SSHDLIBS $LIBSELINUX" 4301 AC_CHECK_FUNCS([getseuserbyname get_default_context_with_level]) 4302 LIBS="$save_LIBS" 4303 fi ] 4304) 4305AC_SUBST([SSHLIBS]) 4306AC_SUBST([SSHDLIBS]) 4307 4308# Check whether user wants Kerberos 5 support 4309KRB5_MSG="no" 4310AC_ARG_WITH([kerberos5], 4311 [ --with-kerberos5=PATH Enable Kerberos 5 support], 4312 [ if test "x$withval" != "xno" ; then 4313 if test "x$withval" = "xyes" ; then 4314 KRB5ROOT="/usr/local" 4315 else 4316 KRB5ROOT=${withval} 4317 fi 4318 4319 AC_DEFINE([KRB5], [1], [Define if you want Kerberos 5 support]) 4320 KRB5_MSG="yes" 4321 4322 AC_PATH_TOOL([KRB5CONF], [krb5-config], 4323 [$KRB5ROOT/bin/krb5-config], 4324 [$KRB5ROOT/bin:$PATH]) 4325 if test -x $KRB5CONF ; then 4326 K5CFLAGS="`$KRB5CONF --cflags`" 4327 K5LIBS="`$KRB5CONF --libs`" 4328 CPPFLAGS="$CPPFLAGS $K5CFLAGS" 4329 4330 AC_MSG_CHECKING([for gssapi support]) 4331 if $KRB5CONF | grep gssapi >/dev/null ; then 4332 AC_MSG_RESULT([yes]) 4333 AC_DEFINE([GSSAPI], [1], 4334 [Define this if you want GSSAPI 4335 support in the version 2 protocol]) 4336 GSSCFLAGS="`$KRB5CONF --cflags gssapi`" 4337 GSSLIBS="`$KRB5CONF --libs gssapi`" 4338 CPPFLAGS="$CPPFLAGS $GSSCFLAGS" 4339 else 4340 AC_MSG_RESULT([no]) 4341 fi 4342 AC_MSG_CHECKING([whether we are using Heimdal]) 4343 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <krb5.h> 4344 ]], [[ char *tmp = heimdal_version; ]])], 4345 [ AC_MSG_RESULT([yes]) 4346 AC_DEFINE([HEIMDAL], [1], 4347 [Define this if you are using the Heimdal 4348 version of Kerberos V5]) ], 4349 [AC_MSG_RESULT([no]) 4350 ]) 4351 else 4352 CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include" 4353 LDFLAGS="$LDFLAGS -L${KRB5ROOT}/lib" 4354 AC_MSG_CHECKING([whether we are using Heimdal]) 4355 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <krb5.h> 4356 ]], [[ char *tmp = heimdal_version; ]])], 4357 [ AC_MSG_RESULT([yes]) 4358 AC_DEFINE([HEIMDAL]) 4359 K5LIBS="-lkrb5" 4360 K5LIBS="$K5LIBS -lcom_err -lasn1" 4361 AC_CHECK_LIB([roken], [net_write], 4362 [K5LIBS="$K5LIBS -lroken"]) 4363 AC_CHECK_LIB([des], [des_cbc_encrypt], 4364 [K5LIBS="$K5LIBS -ldes"]) 4365 ], [ AC_MSG_RESULT([no]) 4366 K5LIBS="-lkrb5 -lk5crypto -lcom_err" 4367 ]) 4368 AC_SEARCH_LIBS([dn_expand], [resolv]) 4369 4370 AC_CHECK_LIB([gssapi_krb5], [gss_init_sec_context], 4371 [ AC_DEFINE([GSSAPI]) 4372 GSSLIBS="-lgssapi_krb5" ], 4373 [ AC_CHECK_LIB([gssapi], [gss_init_sec_context], 4374 [ AC_DEFINE([GSSAPI]) 4375 GSSLIBS="-lgssapi" ], 4376 [ AC_CHECK_LIB([gss], [gss_init_sec_context], 4377 [ AC_DEFINE([GSSAPI]) 4378 GSSLIBS="-lgss" ], 4379 AC_MSG_WARN([Cannot find any suitable gss-api library - build may fail])) 4380 ]) 4381 ]) 4382 4383 AC_CHECK_HEADER([gssapi.h], , 4384 [ unset ac_cv_header_gssapi_h 4385 CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi" 4386 AC_CHECK_HEADERS([gssapi.h], , 4387 AC_MSG_WARN([Cannot find any suitable gss-api header - build may fail]) 4388 ) 4389 ] 4390 ) 4391 4392 oldCPP="$CPPFLAGS" 4393 CPPFLAGS="$CPPFLAGS -I${KRB5ROOT}/include/gssapi" 4394 AC_CHECK_HEADER([gssapi_krb5.h], , 4395 [ CPPFLAGS="$oldCPP" ]) 4396 4397 fi 4398 if test ! -z "$need_dash_r" ; then 4399 LDFLAGS="$LDFLAGS -R${KRB5ROOT}/lib" 4400 fi 4401 if test ! -z "$blibpath" ; then 4402 blibpath="$blibpath:${KRB5ROOT}/lib" 4403 fi 4404 4405 AC_CHECK_HEADERS([gssapi.h gssapi/gssapi.h]) 4406 AC_CHECK_HEADERS([gssapi_krb5.h gssapi/gssapi_krb5.h]) 4407 AC_CHECK_HEADERS([gssapi_generic.h gssapi/gssapi_generic.h]) 4408 4409 AC_SEARCH_LIBS([k_hasafs], [kafs], [AC_DEFINE([USE_AFS], [1], 4410 [Define this if you want to use libkafs' AFS support])]) 4411 4412 AC_CHECK_DECLS([GSS_C_NT_HOSTBASED_SERVICE], [], [], [[ 4413#ifdef HAVE_GSSAPI_H 4414# include <gssapi.h> 4415#elif defined(HAVE_GSSAPI_GSSAPI_H) 4416# include <gssapi/gssapi.h> 4417#endif 4418 4419#ifdef HAVE_GSSAPI_GENERIC_H 4420# include <gssapi_generic.h> 4421#elif defined(HAVE_GSSAPI_GSSAPI_GENERIC_H) 4422# include <gssapi/gssapi_generic.h> 4423#endif 4424 ]]) 4425 saved_LIBS="$LIBS" 4426 LIBS="$LIBS $K5LIBS" 4427 AC_CHECK_FUNCS([krb5_cc_new_unique krb5_get_error_message krb5_free_error_message]) 4428 LIBS="$saved_LIBS" 4429 4430 fi 4431 ] 4432) 4433AC_SUBST([GSSLIBS]) 4434AC_SUBST([K5LIBS]) 4435 4436# Looking for programs, paths and files 4437 4438PRIVSEP_PATH=/var/empty 4439AC_ARG_WITH([privsep-path], 4440 [ --with-privsep-path=xxx Path for privilege separation chroot (default=/var/empty)], 4441 [ 4442 if test -n "$withval" && test "x$withval" != "xno" && \ 4443 test "x${withval}" != "xyes"; then 4444 PRIVSEP_PATH=$withval 4445 fi 4446 ] 4447) 4448AC_SUBST([PRIVSEP_PATH]) 4449 4450AC_ARG_WITH([xauth], 4451 [ --with-xauth=PATH Specify path to xauth program ], 4452 [ 4453 if test -n "$withval" && test "x$withval" != "xno" && \ 4454 test "x${withval}" != "xyes"; then 4455 xauth_path=$withval 4456 fi 4457 ], 4458 [ 4459 TestPath="$PATH" 4460 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X/bin" 4461 TestPath="${TestPath}${PATH_SEPARATOR}/usr/bin/X11" 4462 TestPath="${TestPath}${PATH_SEPARATOR}/usr/X11R6/bin" 4463 TestPath="${TestPath}${PATH_SEPARATOR}/usr/openwin/bin" 4464 AC_PATH_PROG([xauth_path], [xauth], , [$TestPath]) 4465 if (test ! -z "$xauth_path" && test -x "/usr/openwin/bin/xauth") ; then 4466 xauth_path="/usr/openwin/bin/xauth" 4467 fi 4468 ] 4469) 4470 4471STRIP_OPT=-s 4472AC_ARG_ENABLE([strip], 4473 [ --disable-strip Disable calling strip(1) on install], 4474 [ 4475 if test "x$enableval" = "xno" ; then 4476 STRIP_OPT= 4477 fi 4478 ] 4479) 4480AC_SUBST([STRIP_OPT]) 4481 4482if test -z "$xauth_path" ; then 4483 XAUTH_PATH="undefined" 4484 AC_SUBST([XAUTH_PATH]) 4485else 4486 AC_DEFINE_UNQUOTED([XAUTH_PATH], ["$xauth_path"], 4487 [Define if xauth is found in your path]) 4488 XAUTH_PATH=$xauth_path 4489 AC_SUBST([XAUTH_PATH]) 4490fi 4491 4492dnl # --with-maildir=/path/to/mail gets top priority. 4493dnl # if maildir is set in the platform case statement above we use that. 4494dnl # Otherwise we run a program to get the dir from system headers. 4495dnl # We first look for _PATH_MAILDIR then MAILDIR then _PATH_MAIL 4496dnl # If we find _PATH_MAILDIR we do nothing because that is what 4497dnl # session.c expects anyway. Otherwise we set to the value found 4498dnl # stripping any trailing slash. If for some strage reason our program 4499dnl # does not find what it needs, we default to /var/spool/mail. 4500# Check for mail directory 4501AC_ARG_WITH([maildir], 4502 [ --with-maildir=/path/to/mail Specify your system mail directory], 4503 [ 4504 if test "X$withval" != X && test "x$withval" != xno && \ 4505 test "x${withval}" != xyes; then 4506 AC_DEFINE_UNQUOTED([MAIL_DIRECTORY], ["$withval"], 4507 [Set this to your mail directory if you do not have _PATH_MAILDIR]) 4508 fi 4509 ],[ 4510 if test "X$maildir" != "X"; then 4511 AC_DEFINE_UNQUOTED([MAIL_DIRECTORY], ["$maildir"]) 4512 else 4513 AC_MSG_CHECKING([Discovering system mail directory]) 4514 AC_RUN_IFELSE( 4515 [AC_LANG_PROGRAM([[ 4516#include <stdio.h> 4517#include <string.h> 4518#ifdef HAVE_PATHS_H 4519#include <paths.h> 4520#endif 4521#ifdef HAVE_MAILLOCK_H 4522#include <maillock.h> 4523#endif 4524#define DATA "conftest.maildir" 4525 ]], [[ 4526 FILE *fd; 4527 int rc; 4528 4529 fd = fopen(DATA,"w"); 4530 if(fd == NULL) 4531 exit(1); 4532 4533#if defined (_PATH_MAILDIR) 4534 if ((rc = fprintf(fd ,"_PATH_MAILDIR:%s\n", _PATH_MAILDIR)) <0) 4535 exit(1); 4536#elif defined (MAILDIR) 4537 if ((rc = fprintf(fd ,"MAILDIR:%s\n", MAILDIR)) <0) 4538 exit(1); 4539#elif defined (_PATH_MAIL) 4540 if ((rc = fprintf(fd ,"_PATH_MAIL:%s\n", _PATH_MAIL)) <0) 4541 exit(1); 4542#else 4543 exit (2); 4544#endif 4545 4546 exit(0); 4547 ]])], 4548 [ 4549 maildir_what=`awk -F: '{print $1}' conftest.maildir` 4550 maildir=`awk -F: '{print $2}' conftest.maildir \ 4551 | sed 's|/$||'` 4552 AC_MSG_RESULT([Using: $maildir from $maildir_what]) 4553 if test "x$maildir_what" != "x_PATH_MAILDIR"; then 4554 AC_DEFINE_UNQUOTED([MAIL_DIRECTORY], ["$maildir"]) 4555 fi 4556 ], 4557 [ 4558 if test "X$ac_status" = "X2";then 4559# our test program didn't find it. Default to /var/spool/mail 4560 AC_MSG_RESULT([Using: default value of /var/spool/mail]) 4561 AC_DEFINE_UNQUOTED([MAIL_DIRECTORY], ["/var/spool/mail"]) 4562 else 4563 AC_MSG_RESULT([*** not found ***]) 4564 fi 4565 ], 4566 [ 4567 AC_MSG_WARN([cross compiling: use --with-maildir=/path/to/mail]) 4568 ] 4569 ) 4570 fi 4571 ] 4572) # maildir 4573 4574if test ! -z "$cross_compiling" && test "x$cross_compiling" = "xyes"; then 4575 AC_MSG_WARN([cross compiling: Disabling /dev/ptmx test]) 4576 disable_ptmx_check=yes 4577fi 4578if test -z "$no_dev_ptmx" ; then 4579 if test "x$disable_ptmx_check" != "xyes" ; then 4580 AC_CHECK_FILE(["/dev/ptmx"], 4581 [ 4582 AC_DEFINE_UNQUOTED([HAVE_DEV_PTMX], [1], 4583 [Define if you have /dev/ptmx]) 4584 have_dev_ptmx=1 4585 ] 4586 ) 4587 fi 4588fi 4589 4590if test ! -z "$cross_compiling" && test "x$cross_compiling" != "xyes"; then 4591 AC_CHECK_FILE(["/dev/ptc"], 4592 [ 4593 AC_DEFINE_UNQUOTED([HAVE_DEV_PTS_AND_PTC], [1], 4594 [Define if you have /dev/ptc]) 4595 have_dev_ptc=1 4596 ] 4597 ) 4598else 4599 AC_MSG_WARN([cross compiling: Disabling /dev/ptc test]) 4600fi 4601 4602# Options from here on. Some of these are preset by platform above 4603AC_ARG_WITH([mantype], 4604 [ --with-mantype=man|cat|doc Set man page type], 4605 [ 4606 case "$withval" in 4607 man|cat|doc) 4608 MANTYPE=$withval 4609 ;; 4610 *) 4611 AC_MSG_ERROR([invalid man type: $withval]) 4612 ;; 4613 esac 4614 ] 4615) 4616if test -z "$MANTYPE"; then 4617 TestPath="/usr/bin${PATH_SEPARATOR}/usr/ucb" 4618 AC_PATH_PROGS([NROFF], [nroff awf], [/bin/false], [$TestPath]) 4619 if ${NROFF} -mdoc ${srcdir}/ssh.1 >/dev/null 2>&1; then 4620 MANTYPE=doc 4621 elif ${NROFF} -man ${srcdir}/ssh.1 >/dev/null 2>&1; then 4622 MANTYPE=man 4623 else 4624 MANTYPE=cat 4625 fi 4626fi 4627AC_SUBST([MANTYPE]) 4628if test "$MANTYPE" = "doc"; then 4629 mansubdir=man; 4630else 4631 mansubdir=$MANTYPE; 4632fi 4633AC_SUBST([mansubdir]) 4634 4635# Check whether to enable MD5 passwords 4636MD5_MSG="no" 4637AC_ARG_WITH([md5-passwords], 4638 [ --with-md5-passwords Enable use of MD5 passwords], 4639 [ 4640 if test "x$withval" != "xno" ; then 4641 AC_DEFINE([HAVE_MD5_PASSWORDS], [1], 4642 [Define if you want to allow MD5 passwords]) 4643 MD5_MSG="yes" 4644 fi 4645 ] 4646) 4647 4648# Whether to disable shadow password support 4649AC_ARG_WITH([shadow], 4650 [ --without-shadow Disable shadow password support], 4651 [ 4652 if test "x$withval" = "xno" ; then 4653 AC_DEFINE([DISABLE_SHADOW]) 4654 disable_shadow=yes 4655 fi 4656 ] 4657) 4658 4659if test -z "$disable_shadow" ; then 4660 AC_MSG_CHECKING([if the systems has expire shadow information]) 4661 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 4662#include <sys/types.h> 4663#include <shadow.h> 4664struct spwd sp; 4665 ]], [[ sp.sp_expire = sp.sp_lstchg = sp.sp_inact = 0; ]])], 4666 [ sp_expire_available=yes ], [ 4667 ]) 4668 4669 if test "x$sp_expire_available" = "xyes" ; then 4670 AC_MSG_RESULT([yes]) 4671 AC_DEFINE([HAS_SHADOW_EXPIRE], [1], 4672 [Define if you want to use shadow password expire field]) 4673 else 4674 AC_MSG_RESULT([no]) 4675 fi 4676fi 4677 4678# Use ip address instead of hostname in $DISPLAY 4679if test ! -z "$IPADDR_IN_DISPLAY" ; then 4680 DISPLAY_HACK_MSG="yes" 4681 AC_DEFINE([IPADDR_IN_DISPLAY], [1], 4682 [Define if you need to use IP address 4683 instead of hostname in $DISPLAY]) 4684else 4685 DISPLAY_HACK_MSG="no" 4686 AC_ARG_WITH([ipaddr-display], 4687 [ --with-ipaddr-display Use ip address instead of hostname in $DISPLAY], 4688 [ 4689 if test "x$withval" != "xno" ; then 4690 AC_DEFINE([IPADDR_IN_DISPLAY]) 4691 DISPLAY_HACK_MSG="yes" 4692 fi 4693 ] 4694 ) 4695fi 4696 4697# check for /etc/default/login and use it if present. 4698AC_ARG_ENABLE([etc-default-login], 4699 [ --disable-etc-default-login Disable using PATH from /etc/default/login [no]], 4700 [ if test "x$enableval" = "xno"; then 4701 AC_MSG_NOTICE([/etc/default/login handling disabled]) 4702 etc_default_login=no 4703 else 4704 etc_default_login=yes 4705 fi ], 4706 [ if test ! -z "$cross_compiling" && test "x$cross_compiling" = "xyes"; 4707 then 4708 AC_MSG_WARN([cross compiling: not checking /etc/default/login]) 4709 etc_default_login=no 4710 else 4711 etc_default_login=yes 4712 fi ] 4713) 4714 4715if test "x$etc_default_login" != "xno"; then 4716 AC_CHECK_FILE(["/etc/default/login"], 4717 [ external_path_file=/etc/default/login ]) 4718 if test "x$external_path_file" = "x/etc/default/login"; then 4719 AC_DEFINE([HAVE_ETC_DEFAULT_LOGIN], [1], 4720 [Define if your system has /etc/default/login]) 4721 fi 4722fi 4723 4724dnl BSD systems use /etc/login.conf so --with-default-path= has no effect 4725if test $ac_cv_func_login_getcapbool = "yes" && \ 4726 test $ac_cv_header_login_cap_h = "yes" ; then 4727 external_path_file=/etc/login.conf 4728fi 4729 4730# Whether to mess with the default path 4731SERVER_PATH_MSG="(default)" 4732AC_ARG_WITH([default-path], 4733 [ --with-default-path= Specify default $PATH environment for server], 4734 [ 4735 if test "x$external_path_file" = "x/etc/login.conf" ; then 4736 AC_MSG_WARN([ 4737--with-default-path=PATH has no effect on this system. 4738Edit /etc/login.conf instead.]) 4739 elif test "x$withval" != "xno" ; then 4740 if test ! -z "$external_path_file" ; then 4741 AC_MSG_WARN([ 4742--with-default-path=PATH will only be used if PATH is not defined in 4743$external_path_file .]) 4744 fi 4745 user_path="$withval" 4746 SERVER_PATH_MSG="$withval" 4747 fi 4748 ], 4749 [ if test "x$external_path_file" = "x/etc/login.conf" ; then 4750 AC_MSG_WARN([Make sure the path to scp is in /etc/login.conf]) 4751 else 4752 if test ! -z "$external_path_file" ; then 4753 AC_MSG_WARN([ 4754If PATH is defined in $external_path_file, ensure the path to scp is included, 4755otherwise scp will not work.]) 4756 fi 4757 AC_RUN_IFELSE( 4758 [AC_LANG_PROGRAM([[ 4759/* find out what STDPATH is */ 4760#include <stdio.h> 4761#ifdef HAVE_PATHS_H 4762# include <paths.h> 4763#endif 4764#ifndef _PATH_STDPATH 4765# ifdef _PATH_USERPATH /* Irix */ 4766# define _PATH_STDPATH _PATH_USERPATH 4767# else 4768# define _PATH_STDPATH "/usr/bin:/bin:/usr/sbin:/sbin" 4769# endif 4770#endif 4771#include <sys/types.h> 4772#include <sys/stat.h> 4773#include <fcntl.h> 4774#define DATA "conftest.stdpath" 4775 ]], [[ 4776 FILE *fd; 4777 int rc; 4778 4779 fd = fopen(DATA,"w"); 4780 if(fd == NULL) 4781 exit(1); 4782 4783 if ((rc = fprintf(fd,"%s", _PATH_STDPATH)) < 0) 4784 exit(1); 4785 4786 exit(0); 4787 ]])], 4788 [ user_path=`cat conftest.stdpath` ], 4789 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ], 4790 [ user_path="/usr/bin:/bin:/usr/sbin:/sbin" ] 4791 ) 4792# make sure $bindir is in USER_PATH so scp will work 4793 t_bindir="${bindir}" 4794 while echo "${t_bindir}" | egrep '\$\{|NONE/' >/dev/null 2>&1; do 4795 t_bindir=`eval echo ${t_bindir}` 4796 case $t_bindir in 4797 NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$prefix~"` ;; 4798 esac 4799 case $t_bindir in 4800 NONE/*) t_bindir=`echo $t_bindir | sed "s~NONE~$ac_default_prefix~"` ;; 4801 esac 4802 done 4803 echo $user_path | grep ":$t_bindir" > /dev/null 2>&1 4804 if test $? -ne 0 ; then 4805 echo $user_path | grep "^$t_bindir" > /dev/null 2>&1 4806 if test $? -ne 0 ; then 4807 user_path=$user_path:$t_bindir 4808 AC_MSG_RESULT([Adding $t_bindir to USER_PATH so scp will work]) 4809 fi 4810 fi 4811 fi ] 4812) 4813if test "x$external_path_file" != "x/etc/login.conf" ; then 4814 AC_DEFINE_UNQUOTED([USER_PATH], ["$user_path"], [Specify default $PATH]) 4815 AC_SUBST([user_path]) 4816fi 4817 4818# Set superuser path separately to user path 4819AC_ARG_WITH([superuser-path], 4820 [ --with-superuser-path= Specify different path for super-user], 4821 [ 4822 if test -n "$withval" && test "x$withval" != "xno" && \ 4823 test "x${withval}" != "xyes"; then 4824 AC_DEFINE_UNQUOTED([SUPERUSER_PATH], ["$withval"], 4825 [Define if you want a different $PATH 4826 for the superuser]) 4827 superuser_path=$withval 4828 fi 4829 ] 4830) 4831 4832 4833AC_MSG_CHECKING([if we need to convert IPv4 in IPv6-mapped addresses]) 4834IPV4_IN6_HACK_MSG="no" 4835AC_ARG_WITH(4in6, 4836 [ --with-4in6 Check for and convert IPv4 in IPv6 mapped addresses], 4837 [ 4838 if test "x$withval" != "xno" ; then 4839 AC_MSG_RESULT([yes]) 4840 AC_DEFINE([IPV4_IN_IPV6], [1], 4841 [Detect IPv4 in IPv6 mapped addresses 4842 and treat as IPv4]) 4843 IPV4_IN6_HACK_MSG="yes" 4844 else 4845 AC_MSG_RESULT([no]) 4846 fi 4847 ], [ 4848 if test "x$inet6_default_4in6" = "xyes"; then 4849 AC_MSG_RESULT([yes (default)]) 4850 AC_DEFINE([IPV4_IN_IPV6]) 4851 IPV4_IN6_HACK_MSG="yes" 4852 else 4853 AC_MSG_RESULT([no (default)]) 4854 fi 4855 ] 4856) 4857 4858# Whether to enable BSD auth support 4859BSD_AUTH_MSG=no 4860AC_ARG_WITH([bsd-auth], 4861 [ --with-bsd-auth Enable BSD auth support], 4862 [ 4863 if test "x$withval" != "xno" ; then 4864 AC_DEFINE([BSD_AUTH], [1], 4865 [Define if you have BSD auth support]) 4866 BSD_AUTH_MSG=yes 4867 fi 4868 ] 4869) 4870 4871# Where to place sshd.pid 4872piddir=/var/run 4873# make sure the directory exists 4874if test ! -d $piddir ; then 4875 piddir=`eval echo ${sysconfdir}` 4876 case $piddir in 4877 NONE/*) piddir=`echo $piddir | sed "s~NONE~$ac_default_prefix~"` ;; 4878 esac 4879fi 4880 4881AC_ARG_WITH([pid-dir], 4882 [ --with-pid-dir=PATH Specify location of sshd.pid file], 4883 [ 4884 if test -n "$withval" && test "x$withval" != "xno" && \ 4885 test "x${withval}" != "xyes"; then 4886 piddir=$withval 4887 if test ! -d $piddir ; then 4888 AC_MSG_WARN([** no $piddir directory on this system **]) 4889 fi 4890 fi 4891 ] 4892) 4893 4894AC_DEFINE_UNQUOTED([_PATH_SSH_PIDDIR], ["$piddir"], 4895 [Specify location of ssh.pid]) 4896AC_SUBST([piddir]) 4897 4898dnl allow user to disable some login recording features 4899AC_ARG_ENABLE([lastlog], 4900 [ --disable-lastlog disable use of lastlog even if detected [no]], 4901 [ 4902 if test "x$enableval" = "xno" ; then 4903 AC_DEFINE([DISABLE_LASTLOG]) 4904 fi 4905 ] 4906) 4907AC_ARG_ENABLE([utmp], 4908 [ --disable-utmp disable use of utmp even if detected [no]], 4909 [ 4910 if test "x$enableval" = "xno" ; then 4911 AC_DEFINE([DISABLE_UTMP]) 4912 fi 4913 ] 4914) 4915AC_ARG_ENABLE([utmpx], 4916 [ --disable-utmpx disable use of utmpx even if detected [no]], 4917 [ 4918 if test "x$enableval" = "xno" ; then 4919 AC_DEFINE([DISABLE_UTMPX], [1], 4920 [Define if you don't want to use utmpx]) 4921 fi 4922 ] 4923) 4924AC_ARG_ENABLE([wtmp], 4925 [ --disable-wtmp disable use of wtmp even if detected [no]], 4926 [ 4927 if test "x$enableval" = "xno" ; then 4928 AC_DEFINE([DISABLE_WTMP]) 4929 fi 4930 ] 4931) 4932AC_ARG_ENABLE([wtmpx], 4933 [ --disable-wtmpx disable use of wtmpx even if detected [no]], 4934 [ 4935 if test "x$enableval" = "xno" ; then 4936 AC_DEFINE([DISABLE_WTMPX], [1], 4937 [Define if you don't want to use wtmpx]) 4938 fi 4939 ] 4940) 4941AC_ARG_ENABLE([libutil], 4942 [ --disable-libutil disable use of libutil (login() etc.) [no]], 4943 [ 4944 if test "x$enableval" = "xno" ; then 4945 AC_DEFINE([DISABLE_LOGIN]) 4946 fi 4947 ] 4948) 4949AC_ARG_ENABLE([pututline], 4950 [ --disable-pututline disable use of pututline() etc. ([uw]tmp) [no]], 4951 [ 4952 if test "x$enableval" = "xno" ; then 4953 AC_DEFINE([DISABLE_PUTUTLINE], [1], 4954 [Define if you don't want to use pututline() 4955 etc. to write [uw]tmp]) 4956 fi 4957 ] 4958) 4959AC_ARG_ENABLE([pututxline], 4960 [ --disable-pututxline disable use of pututxline() etc. ([uw]tmpx) [no]], 4961 [ 4962 if test "x$enableval" = "xno" ; then 4963 AC_DEFINE([DISABLE_PUTUTXLINE], [1], 4964 [Define if you don't want to use pututxline() 4965 etc. to write [uw]tmpx]) 4966 fi 4967 ] 4968) 4969AC_ARG_WITH([lastlog], 4970 [ --with-lastlog=FILE|DIR specify lastlog location [common locations]], 4971 [ 4972 if test "x$withval" = "xno" ; then 4973 AC_DEFINE([DISABLE_LASTLOG]) 4974 elif test -n "$withval" && test "x${withval}" != "xyes"; then 4975 conf_lastlog_location=$withval 4976 fi 4977 ] 4978) 4979 4980dnl lastlog, [uw]tmpx? detection 4981dnl NOTE: set the paths in the platform section to avoid the 4982dnl need for command-line parameters 4983dnl lastlog and [uw]tmp are subject to a file search if all else fails 4984 4985dnl lastlog detection 4986dnl NOTE: the code itself will detect if lastlog is a directory 4987AC_MSG_CHECKING([if your system defines LASTLOG_FILE]) 4988AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 4989#include <sys/types.h> 4990#include <utmp.h> 4991#ifdef HAVE_LASTLOG_H 4992# include <lastlog.h> 4993#endif 4994#ifdef HAVE_PATHS_H 4995# include <paths.h> 4996#endif 4997#ifdef HAVE_LOGIN_H 4998# include <login.h> 4999#endif 5000 ]], [[ char *lastlog = LASTLOG_FILE; ]])], 5001 [ AC_MSG_RESULT([yes]) ], 5002 [ 5003 AC_MSG_RESULT([no]) 5004 AC_MSG_CHECKING([if your system defines _PATH_LASTLOG]) 5005 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 5006#include <sys/types.h> 5007#include <utmp.h> 5008#ifdef HAVE_LASTLOG_H 5009# include <lastlog.h> 5010#endif 5011#ifdef HAVE_PATHS_H 5012# include <paths.h> 5013#endif 5014 ]], [[ char *lastlog = _PATH_LASTLOG; ]])], 5015 [ AC_MSG_RESULT([yes]) ], 5016 [ 5017 AC_MSG_RESULT([no]) 5018 system_lastlog_path=no 5019 ]) 5020]) 5021 5022if test -z "$conf_lastlog_location"; then 5023 if test x"$system_lastlog_path" = x"no" ; then 5024 for f in /var/log/lastlog /usr/adm/lastlog /var/adm/lastlog /etc/security/lastlog ; do 5025 if (test -d "$f" || test -f "$f") ; then 5026 conf_lastlog_location=$f 5027 fi 5028 done 5029 if test -z "$conf_lastlog_location"; then 5030 AC_MSG_WARN([** Cannot find lastlog **]) 5031 dnl Don't define DISABLE_LASTLOG - that means we don't try wtmp/wtmpx 5032 fi 5033 fi 5034fi 5035 5036if test -n "$conf_lastlog_location"; then 5037 AC_DEFINE_UNQUOTED([CONF_LASTLOG_FILE], ["$conf_lastlog_location"], 5038 [Define if you want to specify the path to your lastlog file]) 5039fi 5040 5041dnl utmp detection 5042AC_MSG_CHECKING([if your system defines UTMP_FILE]) 5043AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 5044#include <sys/types.h> 5045#include <utmp.h> 5046#ifdef HAVE_PATHS_H 5047# include <paths.h> 5048#endif 5049 ]], [[ char *utmp = UTMP_FILE; ]])], 5050 [ AC_MSG_RESULT([yes]) ], 5051 [ AC_MSG_RESULT([no]) 5052 system_utmp_path=no 5053]) 5054if test -z "$conf_utmp_location"; then 5055 if test x"$system_utmp_path" = x"no" ; then 5056 for f in /etc/utmp /usr/adm/utmp /var/run/utmp; do 5057 if test -f $f ; then 5058 conf_utmp_location=$f 5059 fi 5060 done 5061 if test -z "$conf_utmp_location"; then 5062 AC_DEFINE([DISABLE_UTMP]) 5063 fi 5064 fi 5065fi 5066if test -n "$conf_utmp_location"; then 5067 AC_DEFINE_UNQUOTED([CONF_UTMP_FILE], ["$conf_utmp_location"], 5068 [Define if you want to specify the path to your utmp file]) 5069fi 5070 5071dnl wtmp detection 5072AC_MSG_CHECKING([if your system defines WTMP_FILE]) 5073AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 5074#include <sys/types.h> 5075#include <utmp.h> 5076#ifdef HAVE_PATHS_H 5077# include <paths.h> 5078#endif 5079 ]], [[ char *wtmp = WTMP_FILE; ]])], 5080 [ AC_MSG_RESULT([yes]) ], 5081 [ AC_MSG_RESULT([no]) 5082 system_wtmp_path=no 5083]) 5084if test -z "$conf_wtmp_location"; then 5085 if test x"$system_wtmp_path" = x"no" ; then 5086 for f in /usr/adm/wtmp /var/log/wtmp; do 5087 if test -f $f ; then 5088 conf_wtmp_location=$f 5089 fi 5090 done 5091 if test -z "$conf_wtmp_location"; then 5092 AC_DEFINE([DISABLE_WTMP]) 5093 fi 5094 fi 5095fi 5096if test -n "$conf_wtmp_location"; then 5097 AC_DEFINE_UNQUOTED([CONF_WTMP_FILE], ["$conf_wtmp_location"], 5098 [Define if you want to specify the path to your wtmp file]) 5099fi 5100 5101dnl wtmpx detection 5102AC_MSG_CHECKING([if your system defines WTMPX_FILE]) 5103AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ 5104#include <sys/types.h> 5105#include <utmp.h> 5106#ifdef HAVE_UTMPX_H 5107#include <utmpx.h> 5108#endif 5109#ifdef HAVE_PATHS_H 5110# include <paths.h> 5111#endif 5112 ]], [[ char *wtmpx = WTMPX_FILE; ]])], 5113 [ AC_MSG_RESULT([yes]) ], 5114 [ AC_MSG_RESULT([no]) 5115 system_wtmpx_path=no 5116]) 5117if test -z "$conf_wtmpx_location"; then 5118 if test x"$system_wtmpx_path" = x"no" ; then 5119 AC_DEFINE([DISABLE_WTMPX]) 5120 fi 5121else 5122 AC_DEFINE_UNQUOTED([CONF_WTMPX_FILE], ["$conf_wtmpx_location"], 5123 [Define if you want to specify the path to your wtmpx file]) 5124fi 5125 5126 5127if test ! -z "$blibpath" ; then 5128 LDFLAGS="$LDFLAGS $blibflags$blibpath" 5129 AC_MSG_WARN([Please check and edit blibpath in LDFLAGS in Makefile]) 5130fi 5131 5132AC_CHECK_MEMBER([struct lastlog.ll_line], [], [ 5133 if test x$SKIP_DISABLE_LASTLOG_DEFINE != "xyes" ; then 5134 AC_DEFINE([DISABLE_LASTLOG]) 5135 fi 5136 ], [ 5137#ifdef HAVE_SYS_TYPES_H 5138#include <sys/types.h> 5139#endif 5140#ifdef HAVE_UTMP_H 5141#include <utmp.h> 5142#endif 5143#ifdef HAVE_UTMPX_H 5144#include <utmpx.h> 5145#endif 5146#ifdef HAVE_LASTLOG_H 5147#include <lastlog.h> 5148#endif 5149 ]) 5150 5151AC_CHECK_MEMBER([struct utmp.ut_line], [], [ 5152 AC_DEFINE([DISABLE_UTMP]) 5153 AC_DEFINE([DISABLE_WTMP]) 5154 ], [ 5155#ifdef HAVE_SYS_TYPES_H 5156#include <sys/types.h> 5157#endif 5158#ifdef HAVE_UTMP_H 5159#include <utmp.h> 5160#endif 5161#ifdef HAVE_UTMPX_H 5162#include <utmpx.h> 5163#endif 5164#ifdef HAVE_LASTLOG_H 5165#include <lastlog.h> 5166#endif 5167 ]) 5168 5169dnl Adding -Werror to CFLAGS early prevents configure tests from running. 5170dnl Add now. 5171CFLAGS="$CFLAGS $werror_flags" 5172 5173if test "x$ac_cv_func_getaddrinfo" != "xyes" ; then 5174 TEST_SSH_IPV6=no 5175else 5176 TEST_SSH_IPV6=yes 5177fi 5178AC_CHECK_DECL([BROKEN_GETADDRINFO], [TEST_SSH_IPV6=no]) 5179AC_SUBST([TEST_SSH_IPV6], [$TEST_SSH_IPV6]) 5180AC_SUBST([TEST_SSH_UTF8], [$TEST_SSH_UTF8]) 5181AC_SUBST([TEST_MALLOC_OPTIONS], [$TEST_MALLOC_OPTIONS]) 5182AC_SUBST([UNSUPPORTED_ALGORITHMS], [$unsupported_algorithms]) 5183AC_SUBST([DEPEND], [$(cat $srcdir/.depend)]) 5184 5185CFLAGS="${CFLAGS} ${CFLAGS_AFTER}" 5186LDFLAGS="${LDFLAGS} ${LDFLAGS_AFTER}" 5187 5188AC_EXEEXT 5189AC_CONFIG_FILES([Makefile buildpkg.sh opensshd.init openssh.xml \ 5190 openbsd-compat/Makefile openbsd-compat/regress/Makefile \ 5191 survey.sh]) 5192AC_OUTPUT 5193 5194# Print summary of options 5195 5196# Someone please show me a better way :) 5197A=`eval echo ${prefix}` ; A=`eval echo ${A}` 5198B=`eval echo ${bindir}` ; B=`eval echo ${B}` 5199C=`eval echo ${sbindir}` ; C=`eval echo ${C}` 5200D=`eval echo ${sysconfdir}` ; D=`eval echo ${D}` 5201E=`eval echo ${libexecdir}/ssh-askpass` ; E=`eval echo ${E}` 5202F=`eval echo ${mandir}/${mansubdir}X` ; F=`eval echo ${F}` 5203G=`eval echo ${piddir}` ; G=`eval echo ${G}` 5204H=`eval echo ${PRIVSEP_PATH}` ; H=`eval echo ${H}` 5205I=`eval echo ${user_path}` ; I=`eval echo ${I}` 5206J=`eval echo ${superuser_path}` ; J=`eval echo ${J}` 5207 5208echo "" 5209echo "OpenSSH has been configured with the following options:" 5210echo " User binaries: $B" 5211echo " System binaries: $C" 5212echo " Configuration files: $D" 5213echo " Askpass program: $E" 5214echo " Manual pages: $F" 5215echo " PID file: $G" 5216echo " Privilege separation chroot path: $H" 5217if test "x$external_path_file" = "x/etc/login.conf" ; then 5218echo " At runtime, sshd will use the path defined in $external_path_file" 5219echo " Make sure the path to scp is present, otherwise scp will not work" 5220else 5221echo " sshd default user PATH: $I" 5222 if test ! -z "$external_path_file"; then 5223echo " (If PATH is set in $external_path_file it will be used instead. If" 5224echo " used, ensure the path to scp is present, otherwise scp will not work.)" 5225 fi 5226fi 5227if test ! -z "$superuser_path" ; then 5228echo " sshd superuser user PATH: $J" 5229fi 5230echo " Manpage format: $MANTYPE" 5231echo " PAM support: $PAM_MSG" 5232echo " OSF SIA support: $SIA_MSG" 5233echo " KerberosV support: $KRB5_MSG" 5234echo " SELinux support: $SELINUX_MSG" 5235echo " TCP Wrappers support: $TCPW_MSG" 5236echo " MD5 password support: $MD5_MSG" 5237echo " libedit support: $LIBEDIT_MSG" 5238echo " libldns support: $LDNS_MSG" 5239echo " Solaris process contract support: $SPC_MSG" 5240echo " Solaris project support: $SP_MSG" 5241echo " Solaris privilege support: $SPP_MSG" 5242echo " IP address in \$DISPLAY hack: $DISPLAY_HACK_MSG" 5243echo " Translate v4 in v6 hack: $IPV4_IN6_HACK_MSG" 5244echo " BSD Auth support: $BSD_AUTH_MSG" 5245echo " Random number source: $RAND_MSG" 5246echo " Privsep sandbox style: $SANDBOX_STYLE" 5247 5248echo "" 5249 5250echo " Host: ${host}" 5251echo " Compiler: ${CC}" 5252echo " Compiler flags: ${CFLAGS}" 5253echo "Preprocessor flags: ${CPPFLAGS}" 5254echo " Linker flags: ${LDFLAGS}" 5255echo " Libraries: ${LIBS}" 5256if test ! -z "${SSHDLIBS}"; then 5257echo " +for sshd: ${SSHDLIBS}" 5258fi 5259if test ! -z "${SSHLIBS}"; then 5260echo " +for ssh: ${SSHLIBS}" 5261fi 5262 5263echo "" 5264 5265if test "x$MAKE_PACKAGE_SUPPORTED" = "xyes" ; then 5266 echo "SVR4 style packages are supported with \"make package\"" 5267 echo "" 5268fi 5269 5270if test "x$PAM_MSG" = "xyes" ; then 5271 echo "PAM is enabled. You may need to install a PAM control file " 5272 echo "for sshd, otherwise password authentication may fail. " 5273 echo "Example PAM control files can be found in the contrib/ " 5274 echo "subdirectory" 5275 echo "" 5276fi 5277 5278if test ! -z "$NO_PEERCHECK" ; then 5279 echo "WARNING: the operating system that you are using does not" 5280 echo "appear to support getpeereid(), getpeerucred() or the" 5281 echo "SO_PEERCRED getsockopt() option. These facilities are used to" 5282 echo "enforce security checks to prevent unauthorised connections to" 5283 echo "ssh-agent. Their absence increases the risk that a malicious" 5284 echo "user can connect to your agent." 5285 echo "" 5286fi 5287 5288if test "$AUDIT_MODULE" = "bsm" ; then 5289 echo "WARNING: BSM audit support is currently considered EXPERIMENTAL." 5290 echo "See the Solaris section in README.platform for details." 5291fi 5292